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2009-04-01 Rafael Avila de Espindola <espindola@google.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
2
3        * varasm.c (default_function_rodata_section): Declare DOT as const char*.
4
5 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
6             Andrey Galkin <agalkin@hypercom.com>
7
8         PR/39492
9         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
10         Make object_name unique for each process.
11
12 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
13
14         PR other/39591
15         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
16         addressable variables in the parallel that could go out of scope while
17         running queued tasks.
18
19 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
20
21         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
22         (CASE_VALUES_THRESHOLD): Redefine.
23         * config/avr/avr.c (avr_override_options): Remove initialization of
24         avr_case_values_threshold variable.
25         (avr_case_values_threshold): Remove variable. Add new function.
26         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
27         * config/avr/avr.opt (mno-tablejump): Remove option.
28         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
29
30 2009-04-01  DJ Delorie  <dj@redhat.com>
31
32         * varasm.c (default_function_rodata_section): Don't assume
33         anything about where the first '.' in the section name is.
34
35 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
36
37         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
38         rs6000_emit_stack_tie.
39
40 2009-03-31  Ian Lance Taylor  <iant@google.com>
41
42         * tree-eh.c (tree_remove_unreachable_handlers): Compare
43         gimple_code with GIMPLE_RESX, not RESX.
44
45 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
46
47         * c-common.c (c_get_ident): New.
48         (c_common_nodes_and_builtins): Call it for type names that may be
49         NULL.
50
51 2009-04-01  Ben Elliston  <bje@au.ibm.com>
52
53         * config/rs6000/sysv4.opt (msdata): Improve option description.
54
55 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
56
57         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
58         (divdf3_internal_lat): Remove.
59         (divxf3_internal_lat): Remove.
60         (divxf3_internal_thr): Remove.
61         (divxf): Use divxf3_internal.
62         * config/ia64/div.md (divsf3_internal_lat): New.
63         (divdf3_internal_lat): New.
64         (divxf3_internal): New.
65
66 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
67
68         PR c/448
69         * Makefile.in (USE_GCC_STDINT): Define.
70         (stmp-int-hdrs): Install stdint.h if applicable.
71         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
72         if known.
73         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
74         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
75         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
76         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
77         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
78         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
79         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
80         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
81         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
82         (c_common_nodes_and_builtins): Initialize
83         underlying_wchar_type_node.  Do not initialize
84         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
85         nodes for new types.
86         (c_stddef_cpp_builtins): Define macros for new types.
87         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
88         Remove.
89         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
90         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
91         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
92         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
93         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
94         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
95         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
96         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
97         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
98         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
99         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
100         int16_type_node, int32_type_node, int64_type_node,
101         uint8_type_node, uint16_type_node, c_uint32_type_node,
102         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
103         int_least32_type_node, int_least64_type_node,
104         uint_least8_type_node, uint_least16_type_node,
105         uint_least32_type_node, uint_least64_type_node,
106         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
107         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
108         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
109         uintptr_type_node): Define.
110         * c-cppbuiltin.c (builtin_define_constants,
111         builtin_define_type_minmax): New.
112         (builtin_define_stdint_macros): Define more macros.
113         (c_cpp_builtins): Define more limit macros.
114         (type_suffix): New.
115         (builtin_define_type_max): Define in terms of
116         builtin_define_type_minmax.  Remove is_long parameter.  All
117         callers changed.
118         * config.gcc (use_gcc_stdint): Define.
119         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
120         Add newlib-stdint.h for generic targets.
121         * config/glibc-stdint.h, config/newlib-stdint.h,
122         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
123         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
124         * config/score/score.h (UINTPTR_TYPE): Define.
125         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
126         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
127         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
128         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
129         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
130         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
131         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
132         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
133         * config/spu/spu.h (STDINT_LONG32): Define.
134         * configure.ac (use_gcc_stdint): Substitute.
135         * configure: Regenerate.
136         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
137         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
138         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
139         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
140         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
141         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
142         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
143         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
144         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
145         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
146         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
147         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
148         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
149         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
150         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
151         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
152         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
153         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
154         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
155         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
156         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
157         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
158         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
159         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
160         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
161         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
162         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
163         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
164         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
165
166 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
167
168         * loop-iv.c (suitable_set_for_replacement): Renamed from
169         simplify_using_assignment; changed to return bool and to accept new
170         args DEST and SRC.  Return true iff we find a source/destination pair
171         that can be used to make a replacement, and fill SRC and DEST if so.
172         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
173         changed.
174         (simplify_using_initial_values): Deal with altered regs here and track
175         more precisely the effect they have on the validity of our expression.
176
177         * loop-iv.c (simplify_using_condition): A condition of the form
178         (EQ REG CONST) can be used to simply make a substitution.
179         (simplify_using_initial_values): Keep track of conditions we have seen
180         and keep using them to simplify new expressions, while applying the
181         same substitutions to them as to the expression.
182
183         * simplify-rtx.c (simplify_relational_operation_1): Simplify
184         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
185         GEU/LTU reversed.
186
187         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
188         changed.  Use this when trying to improve the upper bound.
189         Generate the comparison by using simplify_gen_relational.
190
191         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
192
193         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
194         functions.
195         (simplify_using_assignment, simplify_using_initial_values): Call 
196         replace_in_expr to make replacements.  Call replace_single_def_regs
197         once on the initial version of the expression.
198
199 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
200
201         PR target/27237
202         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
203         
204 2009-03-31  Richard Guenther  <rguenther@suse.de>
205
206         PR middle-end/31029
207         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
208         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
209
210 2009-03-31  Richard Guenther  <rguenther@suse.de>
211
212         * tree.h (div_if_zero_remainder): Declare.
213         * fold-const.c (div_if_zero_remainder): Export.
214         * tree-ssa-forwprop.c
215         (forward_propagate_addr_into_variable_array_index): Handle
216         constant array index addition outside of the variable index.
217
218 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
219
220         PR target/39592
221         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
222         define_splits, floatunssi<mode>2): Require x87 conversions from
223         DImode to be permitted.
224
225 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
226
227         PR preprocessor/15638
228         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
229
230 2009-03-31  Richard Guenther  <rguenther@suse.de>
231
232         PR middle-end/23401
233         PR middle-end/27810
234         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
235         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
236         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
237         a separate statement.
238         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
239         (lookup_tmp_var): Likewise.
240         (is_gimple_formal_tmp_or_call_rhs): Remove.
241         (is_gimple_reg_or_call_rhs): Rename to ...
242         (is_gimple_reg_rhs_or_call): ... this.
243         (is_gimple_mem_or_call_rhs): Rename to ...
244         (is_gimple_mem_rhs_or_call): ... this.
245         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
246         DECL_GIMPLE_REG_P only if is_formal is true.
247         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
248         for non-proper post-modify expression gimplification.
249         (gimplify_self_mod_expr): For post-modify expressions gimplify
250         the lvalue to a minimal lvalue.
251         (rhs_predicate_for): Remove formal temp case.
252         (gimplify_modify_expr_rhs): Likewise.
253         (gimplify_addr_expr): Use is_gimple_reg.
254         (gimplify_expr): Remove formal temp cases.
255         (gimple_regimplify_operands): Likewise.
256         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
257         and FILTER_EXPR like constants.
258         * gimple.c (walk_gimple_op): Fix val_only initialization, use
259         is_gimple_reg.
260         (is_gimple_formal_tmp_rhs): Remove.
261         (is_gimple_reg_rhs): Remove special casing.
262         (is_gimple_mem_rhs): Fix.
263         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
264         (is_gimple_formal_tmp_var): Remove.
265         (is_gimple_formal_tmp_reg): Likewise.
266         (is_gimple_min_lval): Allow invariant component ref parts.
267         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
268         is_gimple_formal_tmp_reg): Remove declarations.
269         * tree-cfg.c (verify_expr): Verify that variables with address
270         taken do not have DECL_GIMPLE_REG_P set.
271         * tree-mudflap.c (mf_build_check_statement_for): Use
272         force_gimple_operand instead of gimplify_expr.
273
274 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
275
276         * modulo-sched.c (sms_schedule_by_order): Pass the actual
277         schedulable rows to compute_split_row.
278
279 2009-03-31  Ben Elliston  <bje@au.ibm.com>
280
281         PR target/31635
282         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
283         OPT_mvrsave.
284
285 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
286
287         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
288         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
289         * configure: Regenerate.
290         * config.in: Regenerate.
291         * config/rs6000/rs6000.opt (mtls-markers): Add.
292         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
293         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
294         (tls_ld_aix, tls_ld_sysv): Likewise.
295         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
296         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
297
298 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
299
300         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
301
302 2009-03-30  Jan Hubicka  <jh@suse.cz>
303
304         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
305         out of RESX.
306         (tree_remove_unreachable_handlers): Cleanup EH predecestor
307         detection and label handling.
308
309 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
310
311         * ira-int.h (ira_allocno): Rename left_conflicts_num to
312         left_conflicts_size.
313         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
314         ALLOCNO_LEFT_CONFLICTS_SIZE.
315
316         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
317         remove_allocno_from_bucket_and_push,
318         allocno_spill_priority_compare, push_allocnos_to_stack,
319         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
320         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
321         (setup_allocno_left_conflicts_num): Ditto.  Rename to
322         setup_allocno_left_conflicts_size.
323         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
324         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
325         setup_allocno_left_conflicts_size instead of
326         setup_allocno_left_conflicts_num.
327
328         * ira-build.c (ira_create_allocno): Use
329         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
330         ALLOCNO_LEFT_CONFLICTS_NUM.
331                 
332 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
333
334         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
335         instead of DF_LR_OUT.
336
337         * ira-lives.c (process_bb_node_lives): Ditto.
338
339         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
340         instead of DF_LR_{OUT,IN}.
341
342         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
343
344         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
345
346 2009-03-30  Jan Hubicka  <jh@suse.cz>
347
348         * except.c (label_to_region_map): Fix thinko.
349
350 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
351
352         PR middle-end/38237
353         * tree.h (tree_find_value): New declaration.
354         * tree.c (tree_find_value): New function.
355         * varasm.c (assemble_external): Avoid duplicate entries on lists.
356
357 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
358
359         PR debug/39563
360         * c-decl.c (struct c_binding): Add locus field.
361         (bind): Add locus argument, set locus field from it.
362         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
363         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
364         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
365         implicitly_declare, undeclared_variable, lookup_label,
366         declare_label, c_make_fname_decl, c_builtin_function,
367         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
368         bind callers.
369
370 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
371
372         PR target/38781
373         * config/i386/i386.c (classify_argument): Check total size of
374         structure.
375
376 2009-03-30  Martin Jambor  <mjambor@suse.cz>
377
378         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
379         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
380         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
381         respectively.
382
383         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
384         seen_variable_array_ref while also traversing a union.
385
386         * tree-inline.c (optimize_inline_calls): Do not call
387         cgraph_node_remove_callees.
388         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
389         (pass_remove_cgraph_callee_edges): New variable.
390         * passes.c (init_optimization_passes): Add
391         pass_remove_cgraph_callee_edges after early inlining and before all
392         late intraprocedural passes.
393
394         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
395
396 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
397
398         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
399         Fix typos in names.
400
401 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
402
403         * combine.c (simplify_comparison): Use have_insn_for.
404         * dojump.c (do_jump): Likewise.
405
406 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
407
408         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
409         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
410         sparc_compare_op0 like sparc_compare_emitted used to be handled.
411         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
412         instead of sparc_compare_emitted.
413         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
414         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
415         instead of sparc_compare_emitted.
416
417 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
418
419         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
420         enter/exit cfglayout mode.
421         (pass_partition_block): Require it.
422         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
423         (combine_instructions): Track basic blocks instead of labels.
424         (update_cfg_for_uncondjump): New.
425         (try_combine): Use it.  Update jumps after rescanning.
426         (pass_combine): Require PROP_cfglayout.
427         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
428
429 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
430
431         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
432         Provide/destroy PROP_cfglayout respectively.
433         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
434         * tree-pass.h (PROP_cfglayout): New.
435
436 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
437
438         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
439         fold_convert_const_fixed_from_fixed,
440         fold_convert_const_fixed_from_int,
441         fold_convert_const_fixed_from_real, fold_negate_const): Do not
442         set TREE_CONSTANT_OVERFLOW.
443         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
444         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
445
446 2009-03-30  Ira Rosen  <irar@il.ibm.com>
447
448         * tree-vect-loop-manip.c: New file.
449         * tree-vectorizer.c: Update documentation and included files.
450         (vect_loop_location): Make extern.
451         (rename_use_op): Move to tree-vect-loop-manip.c
452         (rename_variables_in_bb, rename_variables_in_loop, 
453         slpeel_update_phis_for_duplicate_loop, 
454         slpeel_update_phi_nodes_for_guard1,
455         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
456         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
457         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
458         set_prologue_iterations, slpeel_tree_peel_loop_to_edge, 
459         find_loop_location): Likewise.
460         (new_stmt_vec_info): Move to tree-vect-stmts.c.
461         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
462         get_vectype_for_scalar_type, vect_is_simple_use,
463         supportable_widening_operation, supportable_narrowing_operation):
464         Likewise.
465         (bb_in_loop_p): Move to tree-vect-loop.c.
466         (new_loop_vec_info, destroy_loop_vec_info, 
467         reduction_code_for_scalar_code, report_vect_op, 
468         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
469         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
470         (vect_supportable_dr_alignment): Likewise.
471         * tree-vectorizer.h (tree-data-ref.h): Include.
472         (vect_loop_location): Declare.
473         Reorganize function declarations according to the new file structure.
474         * tree-vect-loop.c: New file.
475         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c, 
476         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
477         * tree-vect-data-refs.c: New file.
478         * tree-vect-patterns.c (timevar.h): Don't include.
479         * tree-vect-stmts.c: New file.
480         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c, 
481         tree-vect-slp.c, tree-vect-loop.c.
482         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and 
483         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o, 
484         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
485         (tree-vect-analyze.o): Remove.
486         (tree-vect-transform.o): Likewise.
487         (tree-vect-data-refs.o): Add rule.
488         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o, 
489         tree-vect-slp.o): Likewise.
490         (tree-vect-patterns.o): Remove redundant dependencies.
491         (tree-vectorizer.o): Likewise.
492         * tree-vect-slp.c: New file.
493
494 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
495
496         * optc-gen.awk: Warn if an option flag has multiple different
497         help strings.
498
499 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
500
501         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
502         -floop-block): Document dependences on PPL, CLooG and Graphite.
503
504 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
505
506         PR rtl-optimization/323
507         * c-common.c (c_fully_fold, convert_and_check,
508         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
509         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
510         * c-common.def (EXCESS_PRECISION_EXPR): New.
511         * c-cppbuiltin.c (builtin_define_float_constants): Define
512         constants with enough digits for long double.
513         * c-lex.c (interpret_float): Interpret constant with excess
514         precision where appropriate.
515         * c-opts.c (c_common_post_options): Set
516         flag_excess_precision_cmdline.  Give an error for
517         -fexcess-precision=standard for C++ for processors where the
518         option is significant.
519         * c-parser.c (c_parser_conditional_expression): Handle excess
520         precision in condition.
521         * c-typeck.c (convert_arguments): Handle arguments with excess
522         precision.
523         (build_unary_op): Move excess precision outside operation.
524         (build_conditional_expr): Likewise.
525         (build_compound_expr): Likewise.
526         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
527         (build_modify_expr): Handle excess precision in RHS.
528         (convert_for_assignment): Handle excess precision in converted
529         value.
530         (digest_init, output_init_element, process_init_element): Handle
531         excess precision in initializer.
532         (c_finish_return): Handle excess precision in return value.
533         (build_binary_op): Handle excess precision in operands and add
534         excess precision as needed for operation.
535         * common.opt (-fexcess-precision=): New option.
536         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
537         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
538         For standard excess precision, output explicit conversion to and
539         truncation from XFmode.
540         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
541         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
542         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
543         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
544         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
545         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
546         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
547         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
548         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
549         define_splits, sqrt<mode>2): Disable where appropriate for
550         standard excess precision.
551         * convert.c (convert_to_real): Do not shorten arithmetic to type
552         for which excess precision would be used.
553         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
554         * doc/invoke.texi (-fexcess-precision=): Document option.
555         (-mfpmath=): Correct index entry.
556         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
557         flag_excess_precision): New.
558         * langhooks.c (lhd_post_options): Set
559         flag_excess_precision_cmdline.
560         * opts.c (common_handle_option): Handle -fexcess-precision=.
561         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
562         init_excess_precision): New.
563         (lang_dependent_init_target): Call init_excess_precision.
564         * tree.c (excess_precision_type): New.
565         * tree.h (excess_precision_type): Declare.
566
567 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
568
569         PR c/35235
570         * c-typeck.c (build_component_ref): Do not copy qualifiers from
571         non-lvalue to component.
572
573 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
574
575         PR preprocessor/34695
576         * Makefile.in (c-opts.o): Depend on c-tree.h.
577         * c-common.c: Move down include of diagnostic.h.
578         (done_lexing, c_cpp_error): New.
579         * c-common.h (done_lexing): Declare.
580         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
581         (parse_in).
582         * c-opts.c: Include c-tree.h.
583         (c_common_init_options): Set preprocessor error callback.
584         (c_common_handle_option): Do not set preprocessor
585         inhibit_warnings, warnings_are_errors, warn_system_headers,
586         pedantic_errors or inhibit_warnings flags.
587         (c_common_post_options): Do not check cpp_errors (parse_in).
588         (c_common_finish): Do not output dependencies if there were
589         errors.  Do not check return value of cpp_finish.
590         * c-ppoutput.c (pp_file_change): Set input_location.
591         * c-tree.h (c_cpp_error): Declare.
592         * diagnostic.c (diagnostic_set_info_translated): Also initialize
593         override_column.
594         (diagnostic_build_prefix): Check override_column.
595         * diagnostic.h (diagnostic_info): Add override_column field.
596         (diagnostic_override_column): Define.
597
598 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
599
600         * c-common.c (c_expand_expr, c_staticp): Remove.
601         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
602         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
603         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
604         * c-gimplify.c (gimplify_compound_literal_expr,
605         optimize_compound_literals_in_ctor): Remove.
606         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
607         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
608         * c-semantics.c (emit_local_var): Remove.
609
610         * langhooks-def.h (lhd_expand_expr): Remove.
611         * langhooks.c (lhd_expand_expr): Remove.
612         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
613
614         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
615         handling from c-semantics.c; don't call into langhook.
616         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
617         * gimplify.c (gimplify_compound_literal_expr,
618         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
619         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
620         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
621         as was done in c-gimplify.c.
622         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
623         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
624         Move from c-common.h.
625         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
626
627         * tree.c (staticp): Do not call langhook.
628         * langhooks.c (lhd_staticp): Delete.
629         * langhooks-def.h (lhd_staticp): Delete prototype.
630         (LANG_HOOKS_STATICP): Delete.
631         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
632
633         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
634         instead of DECL_STMTs.
635
636 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
637
638         PR c/456
639         PR c/5675
640         PR c/19976
641         PR c/29116
642         PR c/31871
643         PR c/35198
644         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
645         void_type_node.
646         (fold_call_expr): Return a NOP_EXPR from folding rather than the
647         contained expression.
648         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
649         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
650         conditional expressions for C.
651         (decl_constant_value_for_optimization): Move from
652         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
653         whether optimizing and that the expression is a VAR_DECL not of
654         array type instead of doing such checks in the caller.  Do not
655         check pedantic.  Call gcc_unreachable for C++.
656         * c-common.def (C_MAYBE_CONST_EXPR): New.
657         * c-common.h (c_fully_fold, c_save_expr,
658         decl_constant_value_for_optimization): New prototypes.
659         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
660         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
661         EXPR_INT_CONST_OPERANDS): Define.
662         * c-convert.c (convert): Strip nops from expression.
663         * c-decl.c (groktypename): Take extra parameters expr and
664         expr_const_operands.  Update call to grokdeclarator.
665         (start_decl): Update call to grokdeclarator.  Add statement for
666         expressions used in type of decl.
667         (grokparm): Update call to grokdeclarator.
668         (push_parm_decl): Update call to grokdeclarator.
669         (build_compound_literal): Add parameter non_const and build a
670         C_MAYBE_COSNT_EXPR if applicable.
671         (grokdeclarator): Take extra parameters expr and
672         expr_const_operands.  Track expressions used in declaration
673         specifiers and declarators.  Fold array sizes and track whether
674         they are constant expressions and whether they are integer
675         constant expressions.
676         (parser_xref_tag): Set expr and expr_const_operands fields in
677         return value.
678         (grokfield): Update call to grokdeclarator.
679         (start_function): Update call to grokdeclarator.
680         (build_null_declspecs): Set expr and expr_const_operands fields in
681         return value.
682         (declspecs_add_type): Handle expressions in typeof specifiers.
683         * c-parser.c (c_parser_declspecs): Set expr and
684         expr_const_operands fields for declaration specifiers.
685         (c_parser_enum_specifier): Likewise.
686         (c_parser_struct_or_union_specifier): Likewise.
687         (c_parser_typeof_specifier): Likewise.  Update call to
688         groktypename.  Fold expression as needed.  Return expressions with
689         type instead of adding statements.
690         (c_parser_attributes): Update calls to c_parser_expr_list.
691         (c_parser_statement_after_labels): Fold expression before passing
692         to objc_build_throw_stmt.
693         (c_parser_condition): Fold expression.
694         (c_parser_asm_operands): Fold expression.
695         (c_parser_conditional_expression): Use c_save_expr.  Update call
696         to build_conditional_expr.
697         (c_parser_alignof_expression): Update call to groktypename.
698         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
699         original_code.  Fold expression argument of va_arg.  Create
700         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
701         argument to va_arg.  Update calls to groktypename.  Fold array
702         index for offsetof.  Verify that first argument to
703         __builtin_choose_expr has integer type.
704         (c_parser_postfix_expression_after_paren_type): Update calls to
705         groktypename and build_compound_literal.  Handle expressions with
706         side effects in type name.
707         (c_parser_postfix_expression_after_primary): Update call to
708         c_parser_expr_list.  Set original_code for calls to
709         __builtin_constant_p.
710         (c_parser_expr_list): Take extra parameter fold_p.  Fold
711         expressions if requested.
712         (c_parser_objc_type_name): Update call to groktypename.
713         (c_parser_objc_synchronized_statement): Fold expression.
714         (c_parser_objc_receiver): Fold expression.
715         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
716         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
717         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
718         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
719         (struct c_typespec): Add elements expr and expr_const_operands.
720         (struct c_declspecs): Add elements expr and expr_const_operands.
721         (groktypename, build_conditional_expr, build_compound_literal):
722         Update prototypes.
723         (in_late_binary_op): Declare.
724         * c-typeck.c (note_integer_operands): New function.
725         (in_late_binary_op): New variable.
726         (decl_constant_value_for_broken_optimization): Move to c-common.c
727         and rename to decl_constant_value_for_optimization.
728         (default_function_array_conversion): Do not strip nops.
729         (default_conversion): Do not call
730         decl_constant_value_for_broken_optimization.
731         (build_array_ref): Do not fold result.
732         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
733         result when operand is a VLA.
734         (c_expr_sizeof_type): Update call to groktypename.  Handle
735         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
736         result when operand names a VLA type.
737         (build_function_call): Update call to build_compound_literal.
738         Only fold result for calls to __builtin_* functions.  Strip
739         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
740         the function designator.
741         (convert_arguments): Fold arguments.  Update call to
742         convert_for_assignment.
743         (build_unary_op): Handle increment and decrement of
744         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
745         decrement earlier.  Fold operand of increment and decrement.
746         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
747         built for integer operand.  Wrap returns that are INTEGER_CSTs
748         without being integer constant expressions or that have integer
749         constant operands without being INTEGER_CSTs.
750         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
751         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
752         result is an integer constant expression or can be used in
753         unevaluated parts of one and avoid folding and wrap as
754         appropriate.  Fold operands before possibly doing -Wsign-compare
755         warnings.
756         (build_compound_expr): Wrap result for C99 if operands can be used
757         in integer constant expressions.
758         (build_c_cast): Update call to digest_init.  Do not ignore
759         overflow from casting floating-point constants to integers.  Wrap
760         results that could be confused with integer constant expressions,
761         null pointer constants or floating-point constants.
762         (c_cast_expr): Update call to groktypename.  Handle expressions
763         included in type name.
764         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
765         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
766         Update calls to convert_for_assignment.
767         (convert_for_assignment): Take new parameter
768         null_pointer_constant.  Do not strip nops or call
769         decl_constant_value_for_broken_optimization.  Set
770         in_late_binary_op for conversions to boolean.
771         (store_init_value): Update call to digest_init.
772         (digest_init): Take new parameter null_pointer_constant.  Do not
773         call decl_constant_value_for_broken_optimization.  pedwarn for
774         initializers not constant expressions.  Update calls to
775         convert_for_assignment.
776         (constructor_nonconst): New.
777         (struct constructor_stack): Add nonconst element.
778         (really_start_incremental_init, push_init_level, pop_init_level):
779         Handle constructor_nonconst and nonconst element.
780         (set_init_index): Call constant_expression_warning for array
781         designators.
782         (output_init_element): Fold value.  Set constructor_nonconst as
783         applicable.  pedwarn for initializers not constant expressions.
784         Update call to digest_init.  Call constant_expression_warning
785         where constant initializers are required.
786         (process_init_element): Use c_save_expr.
787         (c_finish_goto_ptr): Fold expression.
788         (c_finish_return): Fold return value.  Update call to
789         convert_for_assignment.
790         (c_start_case): Fold switch expression.
791         (c_process_expr_stmt): Fold expression.
792         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
793         ensure statement expression is not evaluated in constant expression.
794         (build_binary_op): Track whether results are integer constant
795         expressions or may occur in such, disable folding and wrap results
796         as applicable.  Fold operands for -Wsign-compare warnings unless
797         in_late_binary_op.
798         (c_objc_common_truthvalue_conversion): Handle results folded to
799         integer constants that are not integer constant expressions.
800         * doc/extend.texi: Document when typeof operands are evaluated,
801         that condition of __builtin_choose_expr is an integer constant
802         expression, and more about use of __builtin_constant_p in
803         initializers.
804
805 2009-03-29  Richard Guenther  <rguenther@suse.de>
806
807         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
808         propagate addresses of array references.
809
810 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
811
812         * regmove.c (perhaps_ends_bb_p): Remove.
813         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
814         from INSN and check that the main loop stays within that basic block.
815         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
816         (regmove_forward_pass): Split out from regmove_optimize.  Use
817         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
818         (regmove_backward_pass): Split out from regmove_optimize.  Use
819         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
820         (regmove_optimize): Simplify.
821
822 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
823
824         PR target/39545
825         * config/i386/i386.c (classify_argument): Ignore flexible array
826         member in struct and warn ABI change.
827
828 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
829
830         * config/i386/i386-protos.h (ix86_agi_dependent): New.
831
832         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
833         (ix86_adjust_cost): Updated.
834
835 2009-03-29  Jan Hubicka  <jh@suse.cz>
836
837         PR middle-end/28850
838         * tree-pass.h (pass_cleanup_eh): New function.
839         (remove_unreachable_regions): Break code handling RTL
840         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
841         that can not be reached by runtime.
842         (can_be_reached_by_runtime): New function.
843         (label_to_region_map): New function.
844         (num_eh_regions): New function.
845         (rtl_remove_unreachable_regions): New function.
846         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
847         (remove_eh_region): New function.
848         * except.h: Include sbitmap and vecprim.
849         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
850         num_eh_regions): Declare.
851         * passes.c (init_optimization_passes): Schedule cleanup_eh.
852         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
853         * tree-eh.c (tree_remove_unreachable_handlers): New function.
854         (tree_empty_eh_handler_p): New function.
855         (cleanup_empty_eh): New function.
856         (cleanup_eh): New function.
857         (pass_cleanup_eh): New function.
858
859 2009-03-29  Jan Hubicka  <jh@suse.cz>
860
861         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
862         for removed regions.
863
864 2009-03-29  Jan Hubicka  <jh@suse.cz>
865
866         * except.c (dump_eh_tree): Dump all datastructures.
867
868 2009-03-29  Jan Hubicka  <jh@suse.cz>
869
870         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
871         (duplicate_eh_regions_1): Likewise.
872         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
873         vector; call EH verification.
874         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
875         Be ready for region being removed.
876
877 2009-03-29  Jan Hubicka  <jh@suse.cz>
878
879         * bitmap.c (bitmap_last_set_bit): New function.
880         * bitmap.h (bitmap_last_set_bit): Declare.
881
882 2009-03-29  David Ayers  <ayers@fsfe.org>
883
884         PR objc/27377
885         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
886         by calling objc_compare_types and surpress warnings about
887         incompatible C pointers that are compatible ObjC pointers.
888         
889 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
890
891         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
892         call initialize_inline_failed.
893         (initialize_inline_failed): Move it from here ...
894         * cgraph.c (initialize_inline_failed): ... to here.
895         (cgraph_create_edge): Call initialize_inline_failed rather than
896         setting inline_failed directly.
897
898 2009-03-29  Ben Elliston  <bje@au.ibm.com>
899
900         PR target/32542
901         * sysv4.opt (msdata): Improve comment.
902         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
903         * sysv4.h (SVR4_ASM_SPEC): Likewise.
904
905 2009-03-29  Ben Elliston  <bje@au.ibm.com>
906
907         PR target/30451
908         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
909         load and store attributes.
910
911 2009-03-29  Ben Elliston  <bje@au.ibm.com>
912
913         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
914         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
915         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
916         * doc/extend.texi (X86 Built-in Functions): Add index entries for
917         __builtin_infq and __builtin_huge_valq.
918
919 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
920
921         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
922         atmega8m1 devices.
923         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
924         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
925
926 2009-03-28  Xinliang David Li  <davidxl@google.com>
927
928         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support. 
929         (do_dbg_cnt): New function.
930
931 2009-03-28  Jan Hubicka  <jh@suse.cz>
932
933         Merge from pretty-ipa:
934
935         2009-03-27  Jan Hubicka  <jh@suse.cz>
936
937         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
938         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
939         * passes.c (function_called_by_processed_nodes_p): New.
940         * ipa-pure-const.c (check_call): Fix handling of operands.
941         (analyze_function): Dump debug output for skipped bodies.
942         (local_pure_const): Use function_called_by_processed_nodes_p.
943         * dwarf2out.c (reference_to_unused): Use output.
944         * passes.c (do_per_function_toporder): Likewise.
945
946         2008-11-12  Jan Hubicka  <jh@suse.cz>
947
948         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
949         * ipa-pure-const.c (funct_state_d): Add can throw field; make
950         state_set_in_source enum
951         (check_decl): Ignore memory tags; do not set fake looping flags;
952         dump diagnostics.
953         (check_operand, check_tree, check_rhs_var, check_lhs_var,
954         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
955         (check_call, analyze_function): Rewrite.
956         (check_stmt): New.
957         (add_new_function): Update call of analyze_function.
958         (generate_summary): Add call of analyze_function.
959         (propagate): Propagate can_throw; handle state_set_in_source correctly.
960         (local_pure_const): New function.
961         (pass_local_pure_const): New pass.
962         * ipa-inline.c (inline_transform): Set after_inlining.
963         * tree-eh.c (stmt_can_throw_external): New.
964         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
965         work with aliasing built.
966         * tree-flow.h (stmt_can_throw_external): New.
967         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
968         and local pure/const pass in early and late optimization queue.
969
970 2009-03-28  Martin Jambor  <mjambor@suse.cz>
971
972         * fold-const.c (get_pointer_modulus_and_residue): New parameter
973         allow_func_align.
974         (fold_binary): Allow function decl aligment consideration is the
975         second argument is integer constant one.
976         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
977         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
978         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
979
980 2009-03-28  Jan Hubicka  <jh@suse.cz>
981
982         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
983         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
984         * function.h (rtl_data): Add nothrow flag.
985         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
986         set DECL_NOTHROW for AVAILABLE functions.
987
988 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
989
990         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
991         following vector keyword has expansion starting with pixel or bool
992         keyword, expand vector to __vector and pixel or bool to __pixel or
993         __bool.
994
995         PR c++/39554
996         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
997         warn_if_disallowed_function_p): Removed.
998         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
999         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
1000         warning_if_disallowed_function_p.
1001         * flags.h (warn_if_disallowed_function_p,
1002         warn_disallowed_functions): Removed.
1003         * common.opt (Wdisallowed-function-list=): Removed.
1004         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
1005
1006 2009-03-28  Richard Guenther  <rguenther@suse.de>
1007
1008         PR tree-optimization/38723
1009         * tree-ssa-pre.c (compute_avail): Add all default definitions to
1010         the entry block.
1011
1012 2009-03-28  Jan Hubicka  <jh@suse.cz>
1013
1014         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
1015         test introduced by my previous patch.
1016
1017 2009-03-28  Richard Guenther  <rguenther@suse.de>
1018
1019         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
1020         the PHIs value undefined.
1021
1022 2009-03-28  Jan Hubicka  <jh@suse.cz>
1023
1024         * tree-pass.h (pass_fixup_cfg): New pass.
1025         * ipa-inline.c (inline_transform): Set
1026         always_inline_functions_inlined/after_inlining.
1027         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
1028         (pass_fixup_cfg): New pass.
1029         * passes.c (init_optimization_passes): Add fixup_cfg.
1030
1031 2009-03-28  Richard Guenther  <rguenther@suse.de>
1032
1033         PR tree-optimization/38458
1034         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
1035         argument use the arguments copy-of value.
1036
1037 2009-03-28  Richard Guenther  <rguenther@suse.de>
1038
1039         PR tree-optimization/38180
1040         * tree-ssa-ccp.c (get_default_value): Simplify.
1041         (likely_value): Likewise.
1042         (surely_varying_stmt_p): Properly handle VOP case.
1043         (ccp_initialize): Likewise.
1044         (ccp_fold): Handle propagating through *&.
1045         (fold_const_aggregate_ref): Also handle decls.
1046
1047 2009-03-28  Jan Hubicka  <jh@suse.cz>
1048
1049         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
1050         * cgraph.h (cgraph_node): Likewise.
1051         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
1052         (cgraph_reset_node): Use process flag.
1053         (cgraph_mark_functions_to_output): Likewise.
1054         (cgraph_expand_function): Likewise.
1055         (cgraph_expand_all_functions): Likewise.
1056         (cgraph_output_in_order): Likewise.
1057         * dwarf2out.c (reference_to_unused): Likewise.
1058         * passes.c do_per_function_toporder): Likewise.
1059
1060 2009-03-28  Jan Hubicka  <jh@suse.cz>
1061
1062         Bring from lto-branch:
1063
1064         2008-09-03  Doug Kwan  <dougkwan@google.com>
1065
1066         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
1067         enums instead of reason strings.
1068         * cgraph.c (cgraph_create_edge): Same.
1069         (cgraph_inline_failed_string): New function.
1070         * cgraph.h (cgraph_inline_failed_t): New enum type.
1071         (cgraph_inline_failed_string): New prototype.
1072         (struct cgraph_edge): Change type of INLINED_FAILED from constant
1073         char pointer to cgraph_inline_failed_t.
1074         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
1075         (cgraph_default_inline_p): Ditto.
1076         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
1077         to cgraph_inline_failed_t pointer.
1078         * cif-code.def: New file.
1079         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
1080         reason string.
1081         (cgraph_check_inline_limits): Change type of REASON to pointer to
1082         cgraph_inline_failed_t.  Replace reason strings with enums.
1083         (cgraph_default_inline_p): Ditto.
1084         (cgraph_recursive_inlining_p): Ditto.
1085         (update_caller_keys): Change type of FAILED_REASON to
1086         cgraph_inline_failed_t.
1087         (cgraph_set_inline_failed): Change type of REASON to pointer to
1088         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
1089         convert enums to strings for text output.
1090         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
1091         to be of type cgraph_inline_failed_t.  Replace reason strings with
1092         enums.  Call cgraph_inline_failed_string to covert enums
1093         to strings for text output.
1094         (cgraph_decide_inlining): Replace reason strings with enums.
1095         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
1096         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
1097         for text output.
1098         * tree-inline.c (expand_call_inline): Change type of REASON
1099         to cgraph_inline_failed_t.  Replace reason strings with enums.
1100         Call cgraph_inline_failed_string for text output.
1101         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
1102         (cgraph.o): Ditto.
1103
1104 2009-03-28  Jan Hubicka  <jh@suse.cz>
1105
1106         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
1107         cgraph_clone_node): Remove master clone handling.
1108         (cgraph_is_master_clone, cgraph_master_clone): Remove.
1109         * cgraph.h (master_clone): Remove.
1110         (cgraph_is_master_clone, cgraph_master_clone): Remove.
1111         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
1112         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
1113
1114 2009-03-28  Jan Hubicka  <jh@suse.cz>
1115
1116         * cgraph.c (cgraph_function_body_availability): Functions declared
1117         inline are always safe to assume that it is not going to be replaced.
1118
1119 2009-03-28  Richard Guenther  <rguenther@suse.de>
1120
1121         PR tree-optimization/38513
1122         * tree-ssa-pre.c (eliminate): Remove redundant stores.
1123         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1124         EXC_PTR_EXPR and FILTER_EXPR.
1125         (get_ref_from_reference_ops): Likewise.
1126
1127 2009-03-28  Richard Guenther  <rguenther@suse.de>
1128
1129         PR tree-optimization/38968
1130         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
1131         Use FLOOR_MOD_EXPR to compute misalignment.
1132
1133 2009-03-28  Richard Guenther  <rguenther@suse.de>
1134
1135         PR tree-optimization/37795
1136         * tree.h (combine_comparisons): Declare.
1137         * fold-const.c (combine_comparisons): Export.
1138         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
1139         comparisons.
1140         (ifcombine_iforif): Use combine_comparisons.
1141
1142 2009-03-28  Jan Hubicka  <jh@suse.cz>
1143
1144         * tree-eh.c (inlinable_call_p): New function.
1145         (make_eh_edges): Use it.
1146         (verify_eh_edges): Use it.
1147         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
1148         * except.c (reachable_next_level): Add inlinable_function argument
1149         (sjlj_find_directly_reachable_regions): Update.
1150         (add_reachable_handler): Do not set saw_any_handlers.
1151         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
1152         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
1153         Add new inlinable call parameter.
1154         (can_throw_internal, can_throw_external): Update.
1155         * except.h (can_throw_internal_1, can_throw_external_1,
1156         foreach_reachable_handler): Update declaration.
1157
1158 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
1159
1160         * config/arm/t-arm-coff, config/h8300/coff.h,
1161         config/i386/i386-aout.h, config/i386/i386-coff.h,
1162         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
1163         config/pdp11/2bsd.h, config/rs6000/aix41.h,
1164         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
1165         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
1166         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
1167         sys-types.h: Remove.
1168         * Makefile.in: Remove protoize and fixproto support and references
1169         in comments.
1170         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
1171         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
1172         Remove.
1173         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
1174         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
1175         unprotoize$(exeext).
1176         (rest.encap): Don't depend on $(STMP_FIXPROTO)
1177         (.PHONY): Don't depend on proto.
1178         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
1179         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
1180         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
1181         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
1182         build/gen-protos.o, build/scan.o, xsys-protos.h,
1183         build/fix-header$(build_exeext), build/fix-header.o,
1184         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
1185         stmp-install-fixproto): Remove.
1186         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
1187         SYSCALLS.c or fixproto files.
1188         (install-common): Don't install protoize.
1189         (install-headers-tar, install-headers-cpio, install-headers-cp):
1190         Don't depend on $(STMP_FIXPROTO).
1191         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
1192         install fixproto files or write out fixproto settings.
1193         (uninstall): Don't uninstall protoize.
1194         * config.gcc (use_fixproto): Remove.
1195         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
1196         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
1197         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
1198         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
1199         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
1200         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
1201         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
1202         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
1203         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
1204         * config/t-vxworks (STMP_FIXPROTO): Remove.
1205         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
1206         STMP_FIXPROTO): Remove.
1207         * config.in, configure: Regenerate.
1208         * crtstuff.c (gid_t, uid_t): Don't undefine.
1209         * doc/install.texi: Change m68k-coff to m68k-elf in example.
1210         (arm-*-coff, arm-*-aout: Remove target entries.
1211         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
1212         Remove mention of AIX 4.1.
1213         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
1214         * doc/invoke.texi (Running Protoize): Remove.
1215         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
1216         (Protoize Caveats): Remove.
1217         * tsystem.h: Update comments on headers assumed to exist.
1218
1219 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
1220
1221         * genautomata.c: Add a new year to the copyright.  Add a new
1222         reference.
1223         (struct insn_reserv_decl): Add comments for member bypass_list.
1224         (find_bypass): Remove.
1225         (insert_bypass): New.
1226         (process_decls): Use insert_bypass.
1227         (output_internal_insn_latency_func): Output all bypasses with the
1228         same input insn in one switch case.
1229
1230         * rtl.def (define_bypass): Describe bypass choice.
1231         * doc/md.texi (define_bypass): Ditto.
1232
1233 2009-03-27  Richard Guenther  <rguenther@suse.de>
1234
1235         * gimplify.c (mark_addressable): Export.
1236         * tree-flow.h (mark_addressable): Declare.
1237         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
1238         * tree-ssa.c (verify_phi_args): Verify that address taken
1239         variables have TREE_ADDRESSABLE set.
1240
1241 2009-03-27  Richard Guenther  <rguenther@suse.de>
1242
1243         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
1244         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
1245         Do not mark decls TREE_ADDRESSABLE.
1246         (build_fold_addr_expr): Adjust.
1247         (fold_addr_expr): Remove.
1248         (fold_unary): Use build_fold_addr_expr.
1249         (fold_comparison): Likewise.
1250         (split_address_to_core_and_offset): Likewise.
1251         * coverage.c (tree_coverage_counter_addr): Mark the array decl
1252         TREE_ADDRESSABLE.
1253         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
1254         (gimplify_modify_expr_to_memcpy): Mark source and destination
1255         addressable.
1256         * omp-low.c (create_omp_child_function): Mark the object decl
1257         TREE_ADDRESSABLE.
1258         (lower_rec_input_clauses): Mark the var we take the address of
1259         TREE_ADDRESSABLE.
1260         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
1261
1262 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1263
1264         PR middle-end/39315
1265         * cfgexpand.c (expand_one_stack_var_at): Change alignment
1266         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
1267
1268 2009-03-27  Richard Guenther  <rguenther@suse.de>
1269
1270         PR tree-optimization/39120
1271         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
1272         constraints.
1273         (handle_lhs_call): Process return constraints.  Add escape
1274         constraints if necessary.
1275         (handle_const_call): Fill out return constraints.  Make nested
1276         case more precise.  Avoid consttmp if possible.
1277         (handle_pure_call): Fill out return constraints.  Avoid
1278         callused if possible.
1279         (find_func_aliases): Simplify call handling.
1280
1281 2009-03-27  Richard Guenther  <rguenther@suse.de>
1282
1283         PR tree-optimization/39120
1284         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
1285         as a representative.
1286         (solve_graph): Do propagate CALLUSED.
1287         (handle_pure_call): Use a scalar constraint from CALLUSED for
1288         the return value.
1289         (find_what_p_points_to): CALLUSED shall not appear in poins-to
1290         solutions.
1291
1292 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1293
1294         PR c/39323
1295         * c-common.c (handle_aligned_attribute): Properly check alignment
1296         overflow.  Use (1U << i) instead of (1 << i).
1297
1298         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
1299
1300         * expr.h (get_mem_align_offset): Updated.
1301
1302         * tree.h (tree_decl_common): Change align to "unsigned int" and
1303         move it before pointer_alias_set.
1304
1305 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1306             Jakub Jelinek  <jakub@redhat.com>
1307
1308         PR target/38034
1309         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
1310         gr_register_operand with gr_reg_or_0_operand.
1311         (cmpxchg_rel_di): Likewise.
1312         (sync_lock_test_and_set<mode>): Likewise.
1313
1314 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1315
1316         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
1317         (true_regnum): Likewise.
1318
1319         * rtlanal.c (subreg_info): Moved to ...
1320         * rtl.h (subreg_info): Here.  New.
1321         (subreg_get_info): New.
1322
1323         * rtlanal.c (subreg_get_info): Make it extern.
1324
1325 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1326
1327         PR target/39472
1328         * config/i386/i386.c (ix86_abi): New.
1329         (override_options): Handle -mabi=.
1330         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
1331         (ix86_call_abi_override): Likewise.
1332         (init_cumulative_args): Likewise.
1333         (function_arg_advance): Likewise.
1334         (function_arg_64): Likewise.
1335         (function_arg): Likewise.
1336         (ix86_pass_by_reference): Likewise.
1337         (ix86_function_value_regno_p): Likewise.
1338         (ix86_build_builtin_va_list_abi): Likewise.
1339         (setup_incoming_varargs_64): Likewise.
1340         (is_va_list_char_pointer): Likewise.
1341         (ix86_init_machine_status): Likewise.
1342         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
1343         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
1344         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
1345         (ix86_function_abi): Make it static and return enum calling_abi.
1346         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
1347         with ix86_abi.
1348         (ix86_fn_abi_va_list): Updated.
1349
1350         * config/i386/i386.h (ix86_abi): New.
1351         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
1352         (CONDITIONAL_REGISTER_USAGE): Likewise.
1353         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
1354         (machine_function): Likewise.
1355
1356         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
1357         with ix86_abi.
1358         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
1359         (STACK_BOUNDARY): Likewise.
1360         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
1361
1362         * config/i386/i386.opt (mabi=): New.
1363
1364         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
1365         return enum calling_abi.
1366         (ix86_function_type_abi): Likewise.
1367         (ix86_function_abi): Removed.
1368
1369         * doc/invoke.texi: Document -mabi= option for x86.
1370
1371 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1372
1373         * builtins.c (real_dconstp): Delete.
1374         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
1375
1376 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
1377             Jakub Jelinek  <jakub@redhat.com>
1378
1379         PR debug/37959
1380         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
1381         (gen_subprogram_die): When a function is explicit, generate the
1382         DW_AT_explicit attribute.
1383         * langhooks.h (struct lang_hooks_for_decls): Add
1384         function_decl_explicit_p langhook.
1385         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
1386         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
1387
1388 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
1389
1390         * builtins.c (fold_builtin_memory_op): Optimize memmove
1391         into memcpy if we can prove source and destination don't overlap.
1392
1393         * tree-inline.c: Include gt-tree-inline.h.
1394         (clone_fn_id_num): New variable.
1395         (clone_function_name): New function.
1396         (tree_function_versioning): Use it.
1397         * Makefile.in (GTFILES): Add tree-inline.c.
1398
1399 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
1400
1401         * BASE-VER: Change to 4.5.0.
1402
1403 2009-03-27  Xinliang David Li  <davidxl@google.com>
1404
1405         PR tree-optimization/39557
1406         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
1407
1408 2009-03-27  Xinliang David Li  <davidxl@google.com>
1409
1410         PR tree-optimization/39548
1411         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy 
1412         candidate check.
1413
1414 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1415
1416         * c-common.c (pointer_int_sum): Use %wd on return from
1417         tree_low_cst.
1418
1419 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1420
1421         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
1422         on return from tree_low_cst.
1423
1424 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1425
1426         PR c++/36799
1427         * ginclude/stdarg.h (va_copy): Define also for
1428         __GXX_EXPERIMENTAL_CXX0X__.
1429
1430 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1431
1432         PR c++/35652
1433         * builtins.h (c_strlen): Do not warn here.
1434         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
1435         * c-common.c (pointer_int_sum): Take an explicit location.
1436         Warn about offsets out of bounds.
1437         * c-common.h (pointer_int_sum): Adjust declaration.
1438
1439 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1440
1441         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
1442         markup glitch.
1443
1444 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
1445
1446         PR c++/39554
1447         * opts.c (warn_if_disallowed_function_p): Don't assume
1448         get_callee_fndecl must return non-NULL.
1449
1450 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
1451
1452         PR rtl-optimization/39522
1453         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
1454         when reg_reloaded_valid is set.
1455
1456 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1457
1458         * config/spu/divv2df3.c: New file.
1459         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
1460         (DPBIT_FUNCS): Filter out _div_df.
1461
1462 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
1463
1464         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
1465         a jump insn, count that jump in the distance to the loop start.
1466
1467 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
1468
1469         PR target/39523
1470         * config/sh/sh.c (calc_live_regs): Fix condition for global
1471         registers except PIC_OFFSET_TABLE_REGNUM.
1472
1473 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
1474
1475         PR/39518
1476         * doc/invoke.texi (-mconsole): New.
1477         (-mcygwin): New.
1478         (-mno-cygwin): New.
1479         (-mdll): New.
1480         (-mnop-fun-dllimport): New.
1481         (-mthread): New.
1482         (-mwin32): New.
1483         (-mwindows): New.
1484         (sub section "i386 and x86-64 Windows Options"): New.
1485
1486 2009-03-25  Ralf Cors├ępius <ralf.corsepius@rtems.org>
1487
1488         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
1489         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
1490
1491 2009-03-25  Richard Guenther  <rguenther@suse.de>
1492
1493         PR middle-end/39497
1494         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
1495         of -Wno-error.
1496
1497 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
1498
1499         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
1500         neither of haifa/selective schedulers are working.
1501
1502 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1503
1504         * doc/invoke.texi (Debugging Options): Fix description of
1505         -fno-merge-debug-strings.
1506
1507 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
1508
1509         * config/cris/libgcc.ver: New version-script.
1510         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
1511
1512         * configure.ac <GAS features, nop mnemonic>: Add pattern
1513         crisv32-*-* for "nop".
1514         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
1515         * configure: Regenerate.
1516
1517 2009-03-24  Ira Rosen  <irar@il.ibm.com>
1518
1519         PR tree-optimization/39529
1520         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
1521         mark_sym_for_renaming for the tag copied to the new vector
1522         pointer.
1523
1524 2009-03-24  Arthur Loiret  <aloiret@debian.org>
1525
1526         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
1527         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
1528         EXTRA_SPEC_FUNCTIONS.
1529         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
1530         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
1531         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
1532         -march and -mtune options.
1533
1534 2009-03-24  Ralf Cors├ępius <ralf.corsepius@rtems.org>
1535
1536         * config/m68k/t-rtems: Add m5329 multilib.
1537
1538 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
1539             Jakub Jelinek  <jakub@redhat.com>
1540
1541         PR debug/39524
1542         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
1543         nodes.
1544
1545 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
1546
1547         PR c/39495
1548         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
1549         instead of c_parser_expression_conv, if original_code isn't one of the
1550         4 allowed comparison codes, fail.
1551
1552 2009-03-23  Richard Guenther  <rguenther@suse.de>
1553
1554         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
1555         * tree.h (struct tree_type): Likewise.
1556         * reload.h (struct insn_chain): Likewise.
1557         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
1558         * function.h (struct function): Likewise.
1559         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
1560
1561 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
1562
1563         PR tree-optimization/39516
1564         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
1565
1566 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
1567
1568         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint 
1569         should be set true if BITS_PER_WORD of target is bigger than 32
1570
1571 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
1572
1573         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
1574         Translate -B-options to -rpath-link.  Correct existing
1575         rpath-link and conditionalize on !nostdlib.
1576
1577 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1578
1579         * doc/extend.texi (Function Attributes, Variable Attributes):
1580         Fix typos.
1581         * doc/invoke.texi (Debugging Options, Optimize Options)
1582         (i386 and x86-64 Options, MCore Options): Likewise.
1583
1584 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
1585
1586         PR debug/37890
1587         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
1588         it for block local namespace aliases.
1589         (gen_decl_die): Pass context_die to gen_namespace_die.
1590
1591 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
1592
1593         PR c/39495
1594         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
1595         minimum or maximum value.
1596
1597 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
1598
1599         * reginfo.c (globalize_reg): Recompute derived reg sets.
1600
1601 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
1602
1603         PR target/39063
1604         * libgcc2.c (mprotect): Do not use signed arguments for
1605         VirtualProtect, use DWORD arguments.  Also fix the 'may
1606         be used uninitialized' warning for the np variable.
1607
1608 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
1609
1610         PR target/39496
1611         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
1612         functions using regparm calling conventions when not optimizing.
1613         (ix86_function_sseregparm): Similarly for sseregparm calling
1614         conventions.
1615
1616 2009-03-19  Li Feng  <nemokingdom@gmail.com>
1617
1618         PR middle-end/39500
1619         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
1620         dependence if the first conflict is after niter iterations.
1621
1622 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
1623
1624         PR middle-end/38609
1625         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
1626         functions with dynamic stack-pointer adjustments.
1627
1628 2009-03-19  Ben Elliston  <bje@au.ibm.com>
1629
1630         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
1631         option; change to -msdata=data.
1632
1633 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1634
1635         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
1636         and -fopenmp.
1637
1638 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
1639
1640         PR target/35180
1641         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
1642
1643 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
1644
1645         * doc/invoke.texi (Code Gen Options): Expand discussion of
1646         -fno-common.
1647
1648 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
1649
1650         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
1651         * matrix-reorg.c (struct matrix_info): Likewise.
1652         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
1653         * rtl.h (struct mem_attrs): Likewise.
1654         * df.h (struct df): Likewise.
1655         * tree-data-ref.h (struct data_dependence_relation): Likewise.
1656         * ira-int.h (struct ira_allocno): Likewise.
1657         * df-scan.c (struct df_collection_rec): Likewise.
1658         * ira.c (struct equivalence): Likewise.
1659         * function.c (struct temp_slot): Likewise.
1660         * cfgloop.h (struct loop): Likewise.
1661
1662         PR debug/39485
1663         * function.c (use_register_for_decl): When not optimizing, disregard
1664         register keyword for variables with types containing methods.
1665
1666 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
1667
1668         PR middle-end/39447
1669         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
1670         (is_simple_operand): Call contains_component_ref_p before calling data
1671         reference analysis that would fail on COMPONENT_REFs.
1672
1673         * tree-vrp.c (search_for_addr_array): Fix formatting.
1674
1675 2009-03-18  Richard Guenther  <rguenther@suse.de>
1676
1677         * tree-vect-transform.c (vect_loop_versioning): Fold the
1678         generated comparisons.
1679         * tree-vectorizer.c (set_prologue_iterations): Likewise.
1680         (slpeel_tree_peel_loop_to_edge): Likewise.
1681
1682 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1683
1684         PR middle-end/37805
1685         * opts.c (print_specific_help): In addition to `undocumented',
1686         accept `separate' and `joined' flags if passed alone.  Describe
1687         output by the first matched one of those.
1688         (common_handle_option): Skip over empty strings.
1689         * gcc.c (display_help): Fix help string for `--help='.
1690         * doc/invoke.texi (Option Summary, Overall Options): With
1691         `--help=', classes and qualifiers can both be repeated, but
1692         only the latter can be negated.  One should not pass only
1693         negated qualifiers.  Fix markup and examples.
1694
1695         Revert
1696         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
1697         PR middle-end/37805
1698         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
1699         and -fhelp=separate.
1700
1701 2009-03-17  Jing Yu  <jingyu@google.com>
1702
1703         PR middle-end/39378
1704         * function.h (struct rtl_data): Move is_thunk from here...
1705         (struct function): ...to here.
1706         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
1707         * varasm.c (assemble_start_function): Change is_thunk from crtl to
1708         cfun.
1709         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
1710         cfun.
1711         (alpha_does_function_need_gp, alpha_start_function): Likewise.
1712         (alpha_output_function_end_prologue): Likewise.
1713         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
1714         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
1715         (rs6000_output_function_epilogue): Likewise.
1716         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
1717
1718 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
1719
1720         PR target/39482
1721         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
1722         from different units in a single alternative.
1723         (*truncdfsf_i387): Ditto.
1724         (*truncxfsf2_mixed): Ditto.
1725         (*truncxfdf2_mixed): Ditto.
1726
1727 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
1728
1729         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
1730         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
1731
1732         PR debug/39474
1733         * tree-ssa-live.c (remove_unused_locals): Don't remove local
1734         unused non-artificial variables when not optimizing.
1735
1736         PR debug/39471
1737         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
1738         DW_TAG_imported_module even if decl is IMPORTED_DECL with
1739         NAMESPACE_DECL in its DECL_INITIAL.
1740
1741         PR middle-end/39443
1742         * optabs.c (set_user_assembler_libfunc): New function.
1743         * expr.h (set_user_assembler_libfunc): New prototype.
1744         * c-common.c: Include libfuncs.h.
1745         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
1746         for memcmp, memset, memcpy, memmove and abort.
1747         * Makefile.in (c-common.o): Depend on libfuncs.h.
1748
1749         PR debug/39412
1750         * dwarf2out.c (gen_inlined_enumeration_type_die,
1751         gen_inlined_structure_type_die, gen_inlined_union_type_die,
1752         gen_tagged_type_instantiation_die): Removed.
1753         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
1754         do nothing.
1755
1756 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
1757
1758         PR testsuite/38526
1759         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
1760         its use.
1761         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
1762         (check-parallel-%): Ditto.
1763         (check-consistency): Ditto.
1764
1765 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
1766
1767         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
1768         local variable rhs by NULL_TREE.
1769
1770 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
1771
1772         PR target/39477
1773         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
1774
1775 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
1776
1777         PR target/39476
1778         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
1779
1780 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
1781
1782         PR target/39473
1783         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
1784         for ms->sysv ABI calls only in 64bit mode.
1785
1786         * config/i386/i386.md (untyped_call): Support 32bit.
1787
1788 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
1789
1790         * doc/extend.texi: Replace x86_65 with x86_64.
1791
1792 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
1793
1794         PR tree-optimization/39455
1795         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
1796         mismatches for POINTER_TYPE_P (type).
1797         (number_of_iterations_le): Likewise.
1798
1799 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
1800
1801         * config/picochip/picochip.c: Removed profiling support.
1802         * config/picochip/picochip.md: Removed profiling instruction.
1803         * config/picochip/picochip.h: Removed profiling builtin.
1804
1805 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
1806
1807         * doc/install.texi (--with-host-libstdcxx): Document.
1808
1809 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
1810
1811         PR target/34299
1812         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
1813         generate a warning if the function name does not begin with
1814         "__vector" and the function has either the 'signal' or 'interrupt'
1815         attribute, from here to ...
1816         (avr_declare_function_name): ...here. New function.
1817         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
1818         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
1819
1820 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
1821
1822         PR bootstrap/39454
1823         * cse.c (fold_rtx): Don't modify original const_arg1 when
1824         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
1825         separate variable instead.
1826         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
1827         from out of range shift counts.
1828         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
1829
1830 2008-03-13  Catherine Moore  <clm@codesourcery.com>
1831
1832         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
1833         diagnostic.h with $(DIAGNOSTIC_H).
1834
1835 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
1836
1837         PR target/39431
1838         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
1839         predicate.
1840         * config/i386/sync.md (sync_compare_and_swap<mode>,
1841         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
1842         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
1843         into a register.
1844         (sync_double_compare_and_swapdi_pic,
1845         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
1846         cmpxchg8b_pic_memory_operand instead of just memory_operand.
1847
1848 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
1849
1850         PR target/39445
1851         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
1852
1853 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
1854
1855         PR target/39327
1856         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
1857         (avx_addsubv4df3): Likewise.
1858         (*avx_addsubv4sf3): Likewise.
1859         (sse3_addsubv4sf3): Likewise.
1860
1861 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
1862
1863         PR target/38824
1864         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
1865
1866 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
1867
1868         PR debug/39432
1869         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
1870         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
1871         registers for allocnos created from user-defined variables.
1872
1873 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1874
1875         PR target/39181
1876         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
1877         of non-integer mode as well.
1878
1879 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
1880
1881         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
1882         for functions for which the parameter types are unknown.
1883
1884 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
1885
1886         PR target/39137
1887         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
1888         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
1889         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
1890         * config/i386/i386.c (ix86_local_alignment): For
1891         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
1892         long long variables on the stack to avoid dynamic realignment.
1893         Allow the first argument to be a decl rather than type.
1894         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
1895
1896 2009-03-11  Nick Clifton  <nickc@redhat.com>
1897
1898         PR target/5362
1899         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
1900         options.
1901         Add description to mno-lsim option.
1902         * config/mcore/mcore.h: Remove comment about deprecated m4align
1903         option.
1904         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
1905         * doc/invoke.texi: Add description of mno-lsim and
1906         mstack-increment options.
1907
1908         * config/fr30/fr30.opt: Document the -mno-lsim option.
1909         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
1910         and -mno-lsim options.
1911
1912 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1913
1914         * fold-const.c (fold_comparison): Only call fold_inf_compare
1915         if the mode supports infinities.
1916
1917 2009-03-11  Jason Merrill  <jason@redhat.com>
1918
1919         PR debug/39086
1920         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
1921         end already did.  Notice GIMPLE_CALL modifications of the result.
1922         Don't copy debug information from an ignored decl or a decl from
1923         another function.
1924
1925 2009-03-10  Richard Guenther  <rguenther@suse.de>
1926             Nathan Froyd  <froydnj@codesourcery.com>
1927
1928         PR middle-end/37850
1929         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
1930         (__divMODE3): Likewise.
1931
1932 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
1933
1934         PR tree-optimization/39394
1935         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
1936         DECL_SIZE_UNIT of variable length FIELD_DECLs.
1937
1938 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1939
1940         * recog.c (verfiy_changes): Disallow renaming of hard regs in
1941         inline asms for register asm ("") declarations.
1942
1943 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
1944
1945         * fold-const.c (fold_unary): Fix comment.
1946
1947 2009-03-07  Jan Hubicka  <jh@suse.cz>
1948
1949         PR target/39361
1950         * tree-inline.c (setup_one_parameter): Do replacement of const
1951         argument by constant in SSA form.
1952
1953 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1954
1955         PR middle-end/38028
1956         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
1957         determine alignment passed to assign_stack_local.
1958         (assign_parms_unsplit_complex): Likewise.
1959         * except.c (sjlj_build_landing_pads): Likewise.
1960
1961 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
1962
1963         PR middle-end/39360
1964         * tree-flow.h (add_referenced_var): Return bool instead of void.
1965         * tree-dfa.c (add_referenced_var): Return result of
1966         referenced_var_check_and_insert call.
1967         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
1968         of referenced_var_check_and_insert.
1969
1970         PR debug/39372
1971         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
1972         (gen_variable_die): Emit DW_AT_location on abstract static variable's
1973         DIE, don't emit it if abstract origin already has it.
1974         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
1975         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
1976
1977 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
1978
1979         * genpreds.c (needs_variable): Fix parentheses at variable name
1980         detection.
1981         (write_tm_constrs_h): Indent generated code.
1982
1983 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1984
1985         * doc/extend.texi (Function Attributes): Add documentation
1986         for isr attributes.
1987
1988 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
1989
1990         PR debug/39387
1991         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
1992         take locus from its DECL_SOURCE_LOCATION instead of input_location.
1993
1994 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
1995
1996         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
1997         the loop as bad.
1998
1999 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
2000
2001         PR debug/39379
2002         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
2003         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
2004
2005 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
2006
2007         * config/i386/i386.md (R8_REG, R9_REG): New constants.
2008         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
2009         constants instead of magic numbers.
2010         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
2011         (QI_REG_P): Ditto.
2012         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
2013         (x86_64_ms_abi_int_parameter_registers): Ditto.
2014         (x86_64_int_return_registers): Ditto.
2015         (ix86_maybe_switch_abi): Ditto.
2016         (ix86_expand_call): Ditto for clobbered_registers array.
2017         (ix86_hard_regno_mode_ok): Ditto.
2018         (x86_extended_QIreg_mentioned_p): Ditto.
2019
2020 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
2021
2022         PR tree-optimization/39349
2023         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
2024
2025         * combine.c (gen_lowpart_for_combine): Use omode when generating
2026         clobber.
2027
2028 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
2029
2030         PR rtl-optimization/39235
2031         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
2032
2033 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
2034
2035         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
2036
2037 2009-03-04  Richard Guenther  <rguenther@suse.de>
2038
2039         PR tree-optimization/39362
2040         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
2041         that occur in abnormal PHIs should be varying.
2042
2043 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
2044
2045         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
2046         Extend comments.
2047         (simple_iv):  Take loop as an argument instead of statement.
2048         * tree-scalar-evolution.h (simple_iv): Declaration changed.
2049         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
2050         to simple_iv.
2051         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
2052         Ditto.
2053         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
2054         * matrix-reorg.c (analyze_transpose): Ditto.
2055         * tree-data-ref.c (dr_analyze_innermost): Ditto.
2056         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
2057         * tree-predcom.c (ref_at_iteration): Ditto.
2058         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
2059
2060 2009-03-04  Richard Guenther  <rguenther@suse.de>
2061
2062         PR tree-optimization/39358
2063         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
2064         escaped_id and callused_id.
2065         (solve_graph): Likewise.
2066
2067 2009-03-04  Richard Guenther  <rguenther@suse.de>
2068
2069         PR tree-optimization/39339
2070         * tree-sra.c (try_instantiate_multiple_fields): Make it
2071         no longer ICE on the above.
2072
2073 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
2074
2075         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
2076         that fits within Pmode.
2077
2078 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
2079
2080         PR middle-end/10109
2081         * tm.texi (LIBCALL_VALUE): Update description.
2082
2083 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
2084
2085         PR middle-end/34443
2086         * doc/extend.texi (section): Update description.
2087
2088 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
2089
2090         PR middle-end/39345
2091         * tree-inline.c (remapped_type): New.
2092         (can_be_nonlocal): Call remapped_type instead of remap_type.
2093
2094 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
2095
2096         PR fortran/39354
2097         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
2098         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
2099
2100 2009-03-03  Richard Guenther  <rguenther@suse.de>
2101
2102         PR middle-end/39272
2103         * tree.c (tree_nonartificial_location): New function.
2104         * tree.h (tree_nonartificial_location): Declare.
2105         * builtins.c (expand_builtin_memory_chk): Provide location
2106         of the call location for artificial function pieces.
2107         (maybe_emit_chk_warning): Likewise.
2108         (maybe_emit_sprintf_chk_warning): Likewise.
2109         (maybe_emit_free_warning): Likewise.
2110         * expr.c (expand_expr_real_1): Likewise.
2111
2112 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
2113
2114         PR tree-optimization/39343
2115         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
2116         COMPONENT_REF t has ARRAY_TYPE.
2117
2118 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2119
2120         PR middle-end/39335
2121         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
2122         when the type precision of the induction variable should be
2123         larger than the type precision of nit.
2124         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
2125         * graphite.c (graphite_loop_normal_form): Same.
2126         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
2127
2128 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
2129
2130         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
2131         (*call_1_rex64_ms_sysv): Use named constants instead of magic
2132         numbers to describe clobbered registers.
2133         (*call_value_0_rex64_ms_sysv): Ditto.
2134         * config/i386/mmx.md (mmx_emms): Ditto.
2135         (mmx_femms): Ditto.
2136
2137 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
2138
2139         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
2140         of ABI_64.
2141
2142 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2143
2144         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
2145         (spu_section_type_flags): New function.
2146
2147 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
2148
2149         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
2150         reg_class_contents of FLOAT_REGS into a temporary.
2151
2152 2009-03-02  Richard Guenther  <rguenther@suse.de>
2153             Ira Rosen  <irar@il.ibm.com>
2154
2155         PR tree-optimization/39318
2156         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
2157         information to the vectorized statement.
2158
2159 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
2160
2161         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
2162         variable.  Use defined names instead of magic constants for REX SSE
2163         registers.
2164
2165 2009-03-01  Richard Guenther  <rguenther@suse.de>
2166
2167         PR tree-optimization/39331
2168         * omp-low.c (lower_send_shared_vars): Do not receive new
2169         values for the reference of DECL_BY_REFERENCE parms or results.
2170
2171 2009-03-01  Jan Hubicka  <jh@suse.cz>
2172
2173         PR debug/39267
2174         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
2175         BLOCK_NONLOCALIZED_VAR): New macros.
2176         (tree_block): Add nonlocalized_vars.
2177         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
2178         gen_decl_die): Add origin argument.  Allow generation of die with
2179         origin at hand only.
2180         (gen_member_die, gen_type_die_with_usage, force_decl_die,
2181         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
2182         of gen_*.
2183         (gen_block_die): Fix checking for unused blocks.
2184         (process_scope_var): Break out from .... ; work with origins only.
2185         (decls_for_scope) ... here; process nonlocalized list.
2186         (dwarf2out_ignore_block): Look for nonlocalized vars.
2187         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
2188         vars.
2189         (dump_scope_block): Dump them.
2190         * tree-inline.c (remap_decls): Handle nonlocalized vars.
2191         (remap_block): Likewise.
2192         (can_be_nonlocal): New predicate.
2193         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
2194
2195 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2196
2197         * configure: Regenerate.
2198
2199 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2200
2201         * optc-gen.awk: No need to duplicate option flags twice.
2202         Reuse help texts for duplicate options which do not have any.
2203
2204         * gcc.c (display_help): Document --version.
2205
2206         * gcc.c (main): If print_help_list and verbose_flag, ensure
2207         driver output comes before subprocess output.
2208
2209         * optc-gen.awk: Assign all remaining fields to help string,
2210         space-separated, for multi-line help in *.opt.
2211
2212         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
2213         -Wno-pedantic-ms-format is for MinGW targets only.
2214
2215         * doc/options.texi (Option file format): Fix bad indentation,
2216         restoring dropped sentence.
2217
2218 2009-02-28  Jan Hubicka  <jh@suse.cz>
2219
2220         * tree-inline.c (tree_function_versioning): Output debug info.
2221
2222 2009-02-28  Jan Hubicka  <jh@suse.cz>
2223
2224         PR debug/39267
2225         * tree-inline.c (setup_one_parameter): Do not copy propagate
2226         arguments when not optimizing.
2227
2228 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
2229
2230         PR target/39327
2231         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
2232         (avx_addsubv4df3): Likewise.
2233         (*avx_addsubv4sf3): Likewise.
2234         (sse3_addsubv4sf3): Likewise.
2235         (*avx_addsubv2df3): Likewise.
2236         (sse3_addsubv2df3): Likewise.
2237         (avx_unpckhps256): Correct item selectors.
2238         (avx_unpcklps256): Likewise.
2239         (avx_unpckhpd256): Likewise.
2240         (avx_unpcklpd256): Likewise.
2241
2242 2009-02-28  Jan Hubicka  <jh@suse.cz>
2243
2244         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
2245         static vars.
2246         (copy_arguments_for_versioning): If var is declared don't declare it.
2247         (tree_function_versioning): First setup substitutions and then copy
2248         args.
2249
2250 2009-02-27  Jan Hubicka  <jh@suse.cz>
2251
2252         PR debug/39267
2253         * cgraph.h (varpool_output_debug_info): Remove.
2254         * cgraphunit.c (varpool_output_debug_info): Remove.
2255         * dwarf2out.c (deferred_locations_struct): New struct
2256         (deferred_locations): New type.
2257         (deferred_locations_list): New static var.
2258         (deffer_location): New function.
2259         (gen_variable_die): Use it.
2260         (decls_for_scope): Output info on local static vars.
2261         (dwarf2out_finish): Process deferred locations.
2262         * varpool.c (varpool_output_debug_info): Remove.
2263
2264 2009-02-27  Jan Hubicka  <jh@suse.cz>
2265
2266         PR debug/39267
2267         * tree.h (TREE_PROTECTED): Fix comment.
2268         (BLOCK_HANDLER_BLOCK): Remove.
2269         (struct tree_block): Remove handler_block add body_block.
2270         (inlined_function_outer_scope_p): New.
2271         (is_body_block): Remove.
2272         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
2273         * dwarf2out.c (is_inlined_entry_point): Remove.
2274         (add_high_low_attributes): Use inlined_function_outer_scope_p.
2275         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
2276         code.
2277         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
2278         * gimplify.c (gimplify_expr): Gimplify body blocks.
2279         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
2280         block with multiple subblocks.
2281         (dump_scope_block): Prettier output; dump more flags and info.
2282         (dump_scope_blocks): New.
2283         (remove_unused_locals): Use dump_scope_blocks.
2284         * tree-flow.h (dump_scope_blocks): Declare.
2285         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
2286         * stmt.c (is_body_block): Remove.
2287         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
2288         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
2289
2290 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2291
2292         PR middle-end/39308
2293         * graphite.c (graphite_loop_normal_form): Do not call 
2294         number_of_iterations_exit from a gcc_assert.
2295
2296 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2297
2298         * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
2299         jumps if COND is NULL.
2300         (find_cond_jump): New function.
2301         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
2302         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
2303
2304 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
2305
2306         * config/alpha/alpha.h (alpha_expand_mov): Return false if
2307         force_const_mem returns NULL_RTX.
2308
2309 2009-02-26  Jan Hubicka  <jh@suse.cz>
2310
2311         PR debug/39267
2312         * cgraph.h (varpool_output_debug_info): Remove.
2313         * cgraphunit.c (varpool_output_debug_info): Remove.
2314         * dwarf2out.c (deferred_locations_struct): New struct
2315         (deferred_locations): New type.
2316         (deferred_locations_list): New static var.
2317         (deffer_location): New function.
2318         (gen_variable_die): Use it.
2319         (decls_for_scope): Output info on local static vars.
2320         (dwarf2out_finish): Process deferred locations.
2321         * varpool.c (varpool_output_debug_info): Remove.
2322
2323 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
2324
2325         PR rtl-optimization/39241
2326         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
2327         to subreg_offset_representable_p.
2328
2329 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
2330
2331         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
2332         execute function prototype.  Get f and nregs from max_reg_num
2333         and get_insns.  Remove the first backward pass as it's dead,
2334         guard the forward pass by flag_expensive_optimizations.
2335         (rest_of_handle_regmove): Delete.
2336         (pass_regmove): Replace it with regmove_optimize.
2337
2338 2009-02-25  Martin Jambor  <mjambor@suse.cz>
2339
2340         PR tree-optimization/39259
2341         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
2342         calls_alloca function flags.
2343         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
2344         calls are detected.
2345
2346 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
2347
2348         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
2349         flags_set_1_rtx, flags_set_1_set): Delete.
2350         (regmove_optimize): Do not call mark_flags_life_zones.
2351
2352 2009-02-24  Julian Brown  <julian@codesourcery.com>
2353
2354         PR target/35965
2355         * config/arm/arm.c (require_pic_register): Only set
2356         cfun->machine->pic_reg once per function.
2357
2358 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
2359
2360         * doc/invoke.texi (Link Options): Document an easier way to pass
2361         options that take arguments to the GNU linker using -Xlinker and -Wl.
2362
2363 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
2364
2365         PR target/33785
2366         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
2367
2368 2009-02-24  Richard Guenther  <rguenther@suse.de>
2369
2370         PR debug/39285
2371         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
2372
2373 2009-02-24  Richard Guenther  <rguenther@suse.de>
2374             Zdenek Dvorak  <ook@ucw.cz>
2375
2376         PR tree-optimization/39233
2377         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
2378         from converting them to a generic type.
2379
2380 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2381
2382         PR tree-optimization/39260
2383         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
2384         contains a condition with a real type.
2385         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
2386
2387 2009-02-23  Jason Merrill  <jason@redhat.com>
2388
2389         PR c++/38880
2390         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
2391         narrowing_initializer_constant_valid_p.
2392         (narrowing_initializer_constant_valid_p): Don't return 
2393         null_pointer_node for adding a pointer to itself.
2394
2395 2009-02-23  Jan Hubicka  <jh@suse.cz>
2396
2397         PR c/12245
2398         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
2399         resizing.
2400
2401 2009-02-23  Jan Hubicka  <jh@suse.cz>
2402
2403         PR tree-optimization/37709
2404         * tree.c (block_ultimate_origin): Move here from dwarf2out.
2405         * tree.h (block_ultimate_origin): Declare.
2406         * dwarf2out.c (block_ultimate_origin): Move to tree.c
2407         * tree-ssa-live.c (remove_unused_scope_block_p):
2408         Eliminate blocks containig no instructions nor live variables nor
2409         nested blocks.
2410         (dump_scope_block): New function.
2411         (remove_unused_locals): Enable removal of dead blocks by default;
2412         enable dumping at TDF_DETAILS.
2413
2414 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
2415
2416         * config/i386/i386.c (classify_argument): Don't allow COImode
2417         and OImode.
2418         (function_arg_advance_32): Don't allow OImode.
2419         (function_arg_32): Likewise.
2420         (function_value_32): Likewise.
2421         (return_in_memory_32): Likewise.
2422         (function_arg_64): Remove OImode comment.
2423
2424 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
2425
2426         PR target/39261
2427         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
2428         ix86_expand_vector_set for V4DImode in 64bit mode only.
2429         (ix86_expand_vector_init_one_var): Likewise.
2430
2431 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2432
2433         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
2434
2435 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
2436
2437         PR bootstrap/39257
2438         * loop-iv.c: Revert last change.
2439         * emit-rtl.c: Likewise.
2440
2441 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
2442
2443         PR target/39256
2444         * config/i386/i386.c (type_natural_mode): Remove an extra
2445         space in the warning message.
2446         (function_value_32): Handle 32-byte vector modes.
2447         (return_in_memory_32): Likewise.
2448
2449 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
2450
2451         * loop-iv.c (truncate_value): New function.
2452         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
2453         of lowpart_subreg.
2454         (lowpart_subreg): Move to...
2455         * emit-rtl.c: ...here.
2456
2457 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
2458
2459         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
2460         accidental and undocumented change at revision 140860.
2461
2462 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
2463
2464         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
2465         take gimple_seq * arguments.
2466         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
2467         types_compatible_p langhook.
2468
2469 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
2470             Joseph Myers  <joseph@codesourcery.com>
2471
2472         * config/arm/arm.c (arm_builtin_va_list): New function.
2473         (arm_expand_builtin_va_start): Likewise.
2474         (arm_gimplify_va_arg_expr): Likewise.
2475         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
2476         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
2477         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
2478         (va_list_type): New variable.
2479         (arm_mangle_type): Mangle va_list_type appropriately.
2480
2481 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
2482
2483         PR middle-end/39157
2484         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
2485         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
2486         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
2487         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
2488         parameter to 1000 for -O1 by default.
2489         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
2490         parameter.
2491         * loop-invariant.c: Include params.h.
2492         (move_loop_invariants): Don't call move_single_loop_invariants on
2493         very large loops.
2494
2495 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
2496
2497         * calls.c (emit_library_call_value_1): Use slot_offset instead of
2498         offset when calculating bounds for indexing stack_usage_map.  Fixes
2499         a buffer overflow with certain target setups.
2500
2501 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
2502
2503         PR target/39240
2504         * calls.c (expand_call): Clear try_tail_call if caller and callee
2505         disagree in promotion of function return value.
2506
2507 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
2508
2509         PR target/39175
2510         * c-common.c (c_determine_visibility): If visibility changed and
2511         DECL_RTL has been already set, call make_decl_rtl to update symbol
2512         flags.
2513
2514 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
2515
2516         PR c++/39188
2517         * varasm.c (assemble_variable): Don't check DECL_NAME when
2518         globalizing a variable.
2519
2520 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
2521
2522         PR c/38483
2523         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
2524         expression before any __builtin_trap call.
2525         * c-typeck.c (build_function_call): Convert and check function
2526         arguments before generating a call to a trap.  Evaluate the
2527         function arguments before the trap.
2528
2529 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
2530
2531         PR target/39228
2532         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
2533         (UNSPEC_FXAM_MEM): New unspec.
2534         (fxam<mode>2_i387_with_temp): New insn and split pattern.
2535         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
2536         memory using fxam<mode>2_i387_with_temp to remove excess precision.
2537
2538 2009-02-19  Richard Guenther  <rguenther@suse.de>
2539
2540         PR tree-optimization/39207
2541         PR tree-optimization/39074
2542         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
2543         storedanything_tree): New.
2544         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
2545         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
2546         (build_succ_graph): Add edges from STOREDANYTHING to all
2547         non-direct nodes.
2548         (init_base_vars): Initialize STOREDANYTHING.
2549         (compute_points_to_sets): Free substitution info after
2550         building the succ graph.
2551         (ipa_pta_execute): Likewise.
2552
2553         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
2554         field.
2555         (do_ds_constraint): Do not add to special var or non-pointer
2556         field solutions.
2557         (type_could_have_pointers): Split out from ...
2558         (could_have_pointers): ... here.  For arrays use the element type.
2559         (create_variable_info_for): Initialize may_have_pointers.
2560         (new_var_info): Likewise.
2561         (handle_lhs_call): Make the HEAP variable unknown-sized.
2562         (intra_create_variable_infos): Use a type with pointers for
2563         PARM_NOALIAS, make it unknown-sized.
2564
2565 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
2566
2567         PR target/39224
2568         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
2569
2570 2009-02-18  Jason Merrill  <jason@redhat.com>
2571
2572         PR target/39179
2573         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
2574         value if DECL_EXTERNAL.
2575         * tree-sra.c (sra_walk_gimple_assign): Likewise.
2576         * target.h (gcc_target::binds_local_p): Clarify "module".
2577         * tree.h (TREE_PUBLIC): Clarify "module".
2578
2579 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
2580
2581         PR target/38891
2582         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
2583         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
2584
2585 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
2586
2587         PR target/39082
2588         * c.opt (Wabi): Support C and ObjC.
2589         (Wpsabi): New.
2590
2591         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
2592
2593         * config/i386/i386.c (classify_argument): Warn once about the ABI
2594         change when passing union with long double.
2595
2596         * doc/invoke.texi: Update -Wabi for warning psABI changes.
2597
2598 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
2599
2600         PR c/35447
2601         * c-parser.c (c_parser_compound_statement): Always enter and leave
2602         a scope.
2603
2604 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2605
2606         PR target/34587
2607         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
2608
2609 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
2610
2611         PR tree-optimization/36922
2612         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
2613         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
2614         Likewise.
2615
2616 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
2617
2618         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
2619         to 0 for EABI64.
2620
2621 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
2622
2623         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
2624
2625 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
2626
2627         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
2628         tree sharing.
2629
2630 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
2631             Richard Sandiford  <rdsandiford@googlemail.com>
2632
2633         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
2634         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
2635         (loongson_biadd): ...this.
2636
2637 2009-02-17  Richard Guenther  <rguenther@suse.de>
2638
2639         PR tree-optimization/39202
2640         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
2641         a var make sure to follow existing collapses.
2642
2643 2009-02-17  Richard Guenther  <rguenther@suse.de>
2644
2645         PR middle-end/39214
2646         * langhooks.c (lhd_print_error_function): Check for NULL block.
2647
2648 2009-02-17  Richard Guenther  <rguenther@suse.de>
2649
2650         PR tree-optimization/39204
2651         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
2652         of the PHI arg.
2653
2654 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
2655
2656         * config/soft-fp/double.h: Update from glibc CVS.
2657
2658 2009-02-17  Richard Guenther  <rguenther@suse.de>
2659
2660         PR tree-optimization/39207
2661         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
2662         strict-aliasing warnings for pointers pointing to NULL.
2663
2664 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
2665
2666         PR c/35446
2667         * c-parser.c (c_parser_braced_init): Call pop_init_level when
2668         skipping until next close brace.
2669
2670 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
2671
2672         PR target/37049
2673         * config/i386/i386.c (ix86_expand_push): Set memory alignment
2674         to function argument boundary.
2675
2676 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
2677
2678         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
2679         in the lea_add. Reload eventually constraints it properly.
2680         * config/picochip/constraints.md : Remove the target constraint
2681         "b", since it is not needed anymore.
2682
2683 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
2684
2685         * gthr-dce.h: Uglify function parameter and local variable names.
2686         * gthr-gnat.h: Likewise.
2687         * gthr-mipssde.h: Likewise.
2688         * gthr-nks.h: Likewise.
2689         * gthr-posix95.h: Likewise.
2690         * gthr-posix.h: Likewise.
2691         * gthr-rtems.h: Likewise.
2692         * gthr-single.h: Likewise.
2693         * gthr-solaris.h: Likewise.
2694         * gthr-tpf.h: Likewise.
2695         * gthr-vxworks.h: Likewise.
2696         * gthr-win32.h: Likewise.
2697
2698 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
2699
2700         PR target/39196
2701         * config/i386/i386.md: Restrict the new peephole2 to move
2702         between MMX/SSE registers.
2703
2704 2009-02-15  Richard Guenther  <rguenther@suse.de>
2705
2706         Revert
2707         2009-02-13  Richard Guenther  <rguenther@suse.de>
2708
2709         * configure.ac: Enable LFS.
2710         * configure: Re-generate.
2711         * config.in: Likewise.
2712
2713 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2714
2715         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
2716         spu_srqwbyte, spu_srqwbytebc): Define.
2717         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
2718         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
2719         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
2720         "shrqby_<mode>"): New insn-and-split patterns.
2721         * config/spu/spu.c (expand_builtin_args): Determine and return
2722         number of operands using spu_builtin_description data.
2723         (spu_expand_builtin_1): Use it.
2724
2725 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
2726
2727         PR target/38056
2728         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
2729         TARGET_CONST_GP.
2730
2731 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
2732
2733         PR target/39149
2734         * config/i386/i386.c (override_options): Correct warning
2735         messages for -malign-loops, -malign-jumps and -malign-functions.
2736
2737 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
2738
2739         PR target/39152
2740         * config/i386/i386.md: Restrict the new peephole2 to move
2741         between the general purpose registers.
2742
2743 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
2744
2745         PR target/39162
2746         * config/i386/i386.c (type_natural_mode): Add a new argument.
2747         Return the original mode and warn ABI change if vector size is 32byte.
2748         (function_arg_advance): Updated.
2749         (function_arg): Likewise.
2750         (ix86_function_value): Likewise.
2751         (ix86_return_in_memory): Likewise.
2752         (ix86_sol10_return_in_memory): Likewise.
2753         (ix86_gimplify_va_arg): Likewise.
2754         (function_arg_32): Don't warn ABX ABI change here.
2755         (function_arg_64): Likewise.
2756
2757 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
2758
2759         * loop-iv.c (implies_p): In the final case, test that operands 0
2760         of the two comparisons match.
2761
2762         * config/bfin/bfin.c (find_prev_insn_start): New function.
2763         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
2764         (find_next_insn_start): Move.
2765
2766 2009-02-13  Richard Guenther  <rguenther@suse.de>
2767
2768         * configure.ac: Enable LFS.
2769         * configure: Re-generate.
2770         * config.in: Likewise.
2771
2772 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
2773
2774         PR c/35444
2775         * c-parser.c (c_parser_parms_list_declarator): Discard pending
2776         sizes on syntax error after some arguments have been parsed.
2777
2778 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
2779
2780         * doc/invoke.texi (-fira): Remove.
2781
2782 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
2783
2784         * caller-save.c: Replace regclass.c with reginfo.c in comments.
2785         * recog.c: Likewise.
2786         * rtl.h: Likewise.
2787
2788 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
2789
2790         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
2791         (umul_ppmm): Likewise.
2792         (count_leading_zeros): Likewise.
2793         (count_trailing_zeros): Likewise.
2794         (UMUL_TIME): Likewise.
2795
2796 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
2797
2798         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
2799         soft-fp/t-softfp to tmake_file.
2800
2801         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
2802         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
2803         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
2804         IA64_BUILTIN_INFQ]: New.
2805         (ia64_init_builtins): Initialize __builtin_infq,
2806         __builtin_fabsq and __builtin_copysignq if not HPUX.
2807         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
2808         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
2809
2810         * config/ia64/lib1funcs.asm (__divtf3): Define only if
2811         SHARED is defined.
2812         (__fixtfti): Likewise.
2813         (__fixunstfti): Likewise.
2814         (__floattitf): Likewise.
2815
2816         * config/ia64/libgcc-glibc.ver: New.
2817         * config/ia64/t-fprules-softfp: Likewise.
2818         * config/ia64/sfp-machine.h: Likewise.
2819
2820         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
2821         (LIBGCC2_TF_CEXT): Likewise.
2822         (TF_SIZE): Likewise.
2823         (TARGET_INIT_LIBFUNCS): Likewise.
2824
2825         * config/ia64/t-glibc (SHLINB_MAPFILES):
2826         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
2827
2828 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
2829
2830         * config/i386/i386.c (construct_container): Rewrite processing
2831         BLKmode with X86_64_SSE_CLASS.
2832
2833 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
2834
2835         PR target/39152
2836         * config/i386/i386.md: Replace simplify_replace_rtx with
2837         replace_rtx in the new peephole2.
2838
2839 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
2840
2841         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
2842         loop unrolling do not happen at -O2.
2843
2844 2009-02-12  Michael Matz  <matz@suse.de>
2845
2846         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
2847
2848 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
2849
2850         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
2851         for -g3.
2852
2853 2009-02-12  Ben Elliston  <bje@au.ibm.com>
2854
2855         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
2856         patterns when updating the back chain.  Missed in the 2009-02-10
2857         change.
2858
2859 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
2860
2861         * doc/extend.texi (Decimal Floating Types): Update identifier of
2862         draft TR and list of missing support.
2863
2864 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
2865
2866         PR middle-end/39154
2867         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
2868         bit to variable length decl's flags, add it also to its
2869         pointer replacement variable.
2870
2871 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
2872             Jakub Jelinek  <jakub@redhat.com>
2873
2874         PR target/39118
2875         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
2876         (memory_blockage): New expander.
2877         (*memory_blockage): New insn pattern.
2878         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
2879         instead of general blockage at the end of function prologue when
2880         frame pointer is used to access red zone area.  Do not emit blockage
2881         when profiling, it is emitted in generic code.
2882         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
2883         function epilogue when frame pointer is used to access red zone area.
2884
2885 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
2886
2887         PR target/38824
2888         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
2889         by arithmetic with memory operands.
2890         * config/i386/predicates.md (commutative_operator): New.
2891
2892 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
2893
2894         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
2895         bulleted lists.
2896
2897 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
2898
2899         * alias.h (record_alias_subset): Declare.
2900         * alias.c (record_alias_subset): Make global.
2901
2902 2009-02-10  Nick Clifton  <nickc@redhat.com>
2903
2904         * tree-parloops.c: Change license to GPLv3.
2905         * ipa-struct-reorg.c: Change license to GPLv3.
2906         * ipa-struct-reorg.h: Change license to GPLv3.
2907
2908 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
2909
2910         PR c/39084
2911         * c-decl.c (start_struct): Return NULL on error.
2912
2913 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
2914
2915         PR middle-end/39124
2916         * cfgloopmanip.c (remove_path): Call remove_bbs after
2917         cancel_loop_tree, not before it.
2918
2919         PR target/39139
2920         * function.h (struct function): Add has_local_explicit_reg_vars bit.
2921         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
2922         VAR_DECLs were seen.
2923         * tree-ssa-live.c (remove_unused_locals): Recompute
2924         cfun->has_local_explicit_reg_vars.
2925         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
2926         copies or clearings if cfun->has_local_explicit_reg_vars.
2927
2928 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
2929
2930         PR target/39118
2931         * config/i386/i386.c (expand_prologue): Emit blockage at the end
2932         of function prologue when frame pointer is used to access
2933         red zone area.
2934
2935 2009-02-10  Richard Guenther  <rguenther@suse.de>
2936
2937         PR middle-end/39127
2938         * gimplify.c (gimple_regimplify_operands): Always look if
2939         we need to create a temporary.
2940
2941 2009-02-10  Richard Guenther  <rguenther@suse.de>
2942
2943         PR tree-optimization/39132
2944         * tree-loop-distribution.c (todo): New global var.
2945         (generate_memset_zero): Trigger TODO_rebuild_alias.
2946         (tree_loop_distribution): Return todo.
2947
2948 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
2949
2950         PR target/39119
2951         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
2952         (x86_64_reg_class_name): Removed.
2953         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
2954         first one isn't X86_64_SSE_CLASS or any other ones aren't
2955         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
2956         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
2957         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
2958         and 3 X86_64_SSEUP_CLASS.
2959         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
2960         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
2961
2962 2009-02-10  Ben Elliston  <bje@au.ibm.com>
2963
2964         * config/rs6000/rs6000.md (allocate_stack): Always use an update
2965         form instruction to update the stack back chain word, even if the
2966         user has disabled the generation of update instructions.
2967         (movdi_<mode>_update_stack): New.
2968         (movsi_update_stack): Likewise.
2969         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
2970         always use an update form instruction to update the stack back
2971         chain word.
2972
2973 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
2974
2975         PR middle-end/38953
2976         * graphite.c (if_region_set_false_region): After moving a region in
2977         the false branch of a condition, remove the empty dummy basic block.
2978         (gloog): Remove wrong fix for PR38953.
2979
2980 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2981
2982         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
2983         generation due to implicit sign extension.
2984
2985 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
2986
2987         PR middle-end/38981
2988         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
2989         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
2990
2991 2009-02-09  Richard Guenther  <rguenther@suse.de>
2992
2993         PR middle-end/35202
2994         * convert.c (convert_to_real): Disable (float)fn((double)x)
2995         to fnf(x) conversion if errno differences may occur and
2996         -fmath-errno is set.
2997
2998 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
2999
3000         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
3001         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3002         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3003
3004 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
3005
3006         PR c/35434
3007         * c-common.c (handle_alias_attribute): Disallow attribute for
3008         anything not a FUNCTION_DECL or VAR_DECL.
3009
3010 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
3011
3012         PR c/39035
3013         * real.c (do_compare): Special-case compare of zero against
3014         decimal float value.
3015
3016 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
3017
3018         PR c/36432
3019         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
3020         as indicating flexible array members unless the field itself is
3021         being declarared as the incomplete array.
3022
3023 2009-02-06  Jan Hubicka  <jh@suse.cz>
3024
3025         PR tree-optimization/38844
3026         * ipa-inline.c (try_inline): Stop inlining recursion when edge
3027         is already inlined.
3028
3029 2009-02-06  Richard Guenther  <rguenther@suse.de>
3030
3031         PR middle-end/38977
3032         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
3033         fork because we may expand it as __gcov_fork.
3034
3035 2009-02-06  Nick Clifton  <nickc@redhat.com>
3036
3037         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
3038
3039 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
3040
3041         PR tree-optimization/35659
3042         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
3043         vn_phi_eq): Shortcut if hashcode does not match.
3044         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
3045         NULL operands.
3046         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
3047         and avoid iterative_hash_expr.
3048         (FOR_EACH_VALUE_ID_IN_SET): New.
3049         (value_id_compare): Remove.
3050         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
3051         sort expressions by value id.
3052
3053 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
3054
3055         PR target/38991
3056         * config/sh/predicates.md (general_movsrc_operand): Don't check
3057         the subreg of system registers here.
3058
3059 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
3060
3061         PR c++/39106
3062         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
3063         on the copied decl.
3064
3065 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
3066
3067         PR rtl-optimization/39110
3068         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
3069         addresses, not aligned ones.
3070
3071 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
3072             Richard Guenther  <rguenther@suse.de>
3073
3074         PR tree-optimization/39100
3075         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
3076         comment says and add edges.
3077
3078 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
3079
3080         PR c/35435
3081         * c-common.c (handle_tls_model_attribute): Ignore attribute for
3082         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
3083
3084 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de> 
3085
3086         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3087         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3088         register_bb_in_sese, new_sese, free_sese): Moved.
3089         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3090         outermost_loop_in_scop, build_scop_iteration_domain,
3091         expand_scalar_variables_ssa_name, get_vdef_before_scop,
3092         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3093         Use loop_in_sese_p instead of loop_in_scop_p.
3094         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
3095         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
3096         (scopdet_basic_block_info): Fix bug in scop detection.
3097         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3098         eq_loop_to_cloog_loop): Remove.
3099         (nb_loops_around_loop_in_scop, nb_loop
3100         ref_nb_loops): Moved here...
3101         * graphite.h (ref_nb_loops): ... from here.
3102         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
3103         (loop_domain_dim, loop_iteration_vector_dim): Remove.
3104         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3105         * testsuite/gcc.dg/graphite/scop-19.c: New
3106
3107 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
3108             Hans-Peter Nilsson  <hp@axis.com>
3109
3110         PR rtl-optimization/37889
3111         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
3112         Move offset handling from PLUS to before the switch.  Use new
3113         arguments when considering SYMBOL_REFs too.
3114         (rtx_addr_can_trap_p): Pass dummy offset and size.
3115         (enum may_trap_p_flags): Remove.
3116         (may_trap_p_1): Pass size from MEM_SIZE.
3117
3118         PR rtl-optimization/38921
3119         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
3120         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
3121         * rtlanal.c (may_trap_after_code_motion_p): Delete.
3122         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
3123
3124 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
3125
3126         AVX Programming Reference (January, 2009)
3127         * config/i386/sse.md (*vpclmulqdq): New.
3128
3129 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
3130
3131         PR tree-optimization/38977
3132         PR gcov-profile/38292
3133         * calls.c (special_function_p): Disregard __builtin_ prefix.
3134
3135 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
3136
3137         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
3138         non-indexable addresses even before reload.
3139
3140 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
3141
3142         PR c/29129
3143         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
3144         as having variable size.  Do not give an error for unnamed
3145         parameters with [*] declarators.  Give a warning for type names
3146         with [*] declarators and mark them as variable size.
3147         * c-parser.c (c_parser_sizeof_expression): Do not give an error
3148         for sizeof applied to [*] type names.
3149
3150 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3151
3152         PR C++/36607
3153         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
3154
3155 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
3156
3157         * gcc.c (process_command): Update copyright notice dates.
3158         * gcov.c (print_version): Likewise.
3159         * gcov-dump.c (print_version): Likewise.
3160         * mips-tfile.c (main): Likewise.
3161         * mips-tdump.c (main): Likewise.
3162
3163 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
3164
3165         PR c/35433
3166         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
3167         for composite type involving a zero-length array type.
3168
3169 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
3170
3171         PR target/35318
3172         * function.c (match_asm_constraints_1): Skip over
3173         initial optional % in the constraint.
3174
3175         PR inline-asm/39059
3176         * c-parser.c (c_parser_postfix_expression): If fixed point is not
3177         supported, don't accept FIXED_CSTs.
3178         * c-decl.c (finish_declspecs): Error if fixed point is not supported
3179         and _Sat is used without _Fract/_Accum.  Set specs->type to
3180         integer_type_node for cts_fract/cts_accum if fixed point is not
3181         supported.
3182
3183 2009-02-02  Catherine Moore  <clm@codesourcery.com>
3184
3185         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
3186
3187 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
3188
3189         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
3190         (ABI_HAS_64BIT_SYMBOLS): Use it.
3191         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
3192
3193 2009-02-02  Paul Brook  <paul@codesourcery.com>
3194
3195         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
3196
3197 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
3198
3199         PR inline-asm/39058
3200         * recog.h (asm_operand_ok): Add constraints argument.
3201         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
3202         recurse on matching constraint.
3203         (check_asm_operands): Pass constraints as 3rd argument to
3204         asm_operand_ok.  Don't look up matching constraint here.
3205         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
3206         to asm_operand_ok.
3207
3208 2009-02-02  Ben Elliston  <bje@au.ibm.com>
3209
3210         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
3211         TARGET_NARROW_VOLATILE_BITFIELD macro names.
3212
3213 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3214
3215         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
3216         information.  Remove some obsolete information.  Reorganize.
3217
3218         * config/pa/fptr.c: Revert license to GPL 2.
3219         * config/pa/milli64.S: Likewise.
3220
3221 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
3222
3223         PR target/38904
3224         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
3225         LIBRARY name in, instead of hard-coding it.
3226         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
3227         extra target make frag to tmake_files according to EH model.
3228         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
3229         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
3230         frags that define makefile variable EH_MODEL appropriately.
3231         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
3232         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
3233         to "-sjlj" according to type of EH configured.
3234         (LIBGCC_SONAME):  Concatenate it to shared library base name.
3235         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
3236         to "_sjlj" according to type of EH configured.
3237         (LIBGCC_SONAME):  Concatenate it to shared library base name.
3238         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
3239         (SHLIB_LINK):  Add missing semicolon to if-else construct.
3240         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
3241         string value of "pe_dll" command-line option.
3242         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
3243         (SHLIB_SONAME):  Use it when overriding t-cygming default.
3244         (SHLIB_IMPLIB):  Override t-cygming default.
3245         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
3246         string value of "pe_dll" command-line option.
3247
3248 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
3249
3250         PR target/38952
3251         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
3252         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
3253
3254 2009-01-31  Richard Guenther  <rguenther@suse.de>
3255
3256         PR tree-optimization/38937
3257         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
3258         computing the transitive closure.
3259
3260 2009-01-30  Richard Guenther  <rguenther@suse.de>
3261
3262         PR tree-optimization/39041
3263         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3264         Propagate variable indices only if the types match for this stmt.
3265
3266 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
3267
3268         PR target/39013
3269         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
3270         inline but never defined.
3271
3272 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
3273
3274         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
3275         (*insv_h_di_reg_extimm): New insn.
3276         (*insv_l<mode>_reg_extimm): New insn.
3277
3278 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
3279
3280         * config/picochip/picochip.c (flag_conserve_stack): set
3281         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
3282         fconserve-stack. Reduce call-overhead used by inliner.
3283
3284 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
3285
3286         PR/38157
3287         * common.opt (flag_conserve_stack): Initialised to zero.
3288
3289 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
3290
3291         PR/39002
3292         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
3293         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
3294         method.
3295
3296 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
3297
3298         * ira-color.c (allocno_reload_assign): Update comments.
3299         * regmove.c (regmove_optimize): Likewise.
3300
3301         * ra.h: Removed.
3302
3303 2009-01-29  Robert Millan  <rmh@aybabtu.com>
3304
3305         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
3306         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
3307         `MD_UNWIND_SUPPORT'.
3308         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
3309
3310 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
3311
3312         PR tree-optimization/39007
3313         * tree-loop-distribution.c (generate_builtin): Use
3314         recompute_dominator to compute the immediate dominator of the
3315         basic block just after the loop.
3316
3317 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3318
3319         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
3320         (ASM_OUTPUT_DWARF_PCREL): Define.
3321
3322 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
3323
3324         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
3325         * doc/passes.texi: Remove entries about regclass, local-alloc, and
3326         global.  Modify entries about regmove and IRA.
3327
3328         * ra-conflict.c: Remove the file.
3329
3330         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
3331
3332         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
3333         (pass_regclass_init): Rename to pass_reginfo_init.
3334
3335         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
3336
3337         * toplev.h (flag_ira): Remove.
3338
3339         * caller-save.c (setup_save_areas): Remove flag_ira.
3340
3341         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
3342
3343         * global.c: Remove the file.
3344
3345         * opts.c (decode_options): Remove flag_ira.
3346
3347         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
3348
3349         * regmove.c: Modify file description.
3350         (find_use_as_address, try_auto_increment): Define them only if
3351         AUTO_INC_DEC is defined.
3352         (replacement_quality, replace_in_call_usage, fixup_match_1,
3353         stable_and_no_regs_but_for_p): Remove.
3354         (reg_set_in_bb): Make it static.
3355         (regmove_optimize): Remove flag_ira and code which worked for
3356         !flag_ira.
3357
3358         * local-alloc.c: Remove the file.
3359
3360         * common.opt (fira): Remove.
3361
3362         * ira.c: Include except.h.
3363         (eliminable_regset): Move from global.c.
3364         (mark_elimination): Ditto.  Remove flag_ira.
3365         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
3366         equiv_mem_modified, validate_equiv_mem_from_store,
3367         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
3368         contains_replace_regs, memref_referenced_p, memref_used_between_p,
3369         no_equiv, recorded_label_ref): Move from local-alloc.c.
3370         (update_equiv_regs): Ditto.  Make it static.
3371         (print_insn_chain, print_insn_chains): Move it from global.c.
3372         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
3373         (build_insn_chain): Ditto.  Make it static.
3374         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
3375         Rename to init_live_subregs.
3376         (gate_ira): Remove flag_ira.
3377
3378         * regclass.c: Rename reginfo.c.  Change file description.
3379         (FORBIDDEN_INC_DEC_CLASSES): Remove.
3380         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
3381         (init_reg_sets_1): Remove code for evaluation of
3382         reg_class_superclasses and losing_caller_save_reg_set.
3383         (init_regs): Remove init_reg_autoinc.
3384         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
3385         ok_for_base_p_nonstrict): Remove.
3386         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
3387         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
3388         corresponding entries.
3389         (dump_regclass, record_operand_costs, scan_one_insn,
3390         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
3391         record_address_regs, auto_inc_dec_reg_p): Remove.
3392         (gt-regclass.h): Rename to gt-reginfo.h.
3393
3394         * rtl.h (dump_global_regs, retry_global_alloc,
3395         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
3396
3397         * Makefile.in (RA_H): Remove.
3398         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
3399         Rename regclass.o to reginfo.o.
3400         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
3401         gt-reginfo.h.
3402         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
3403         (GTFILES): Rename regclass.c to reginfo.c.
3404
3405         * passes.c (init_optimization_passes): Remove pass_local_alloc and
3406         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
3407
3408         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3409         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
3410         Remove flag_ira.
3411         (finish_spills): Ditto.  Remove code for !flag_ira.
3412         
3413 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
3414
3415         PR middle-end/35854
3416         * doc/invoke.texi (rtl debug options): Complete rewrite.
3417         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
3418         to auto_inc_dec".
3419         * mode-switching.c (pass_mode_switching): Rename pass from
3420         "mode-sw" to "mode_sw".
3421         * except.c (pass_convert_to_eh_ranges): Rename pass from
3422         "eh-ranges" to "eh_ranges".
3423         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
3424         to "subreg1".
3425                 
3426         
3427 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
3428             Alexander Monakov  <amonakov@ispras.ru>
3429
3430         PR middle-end/38857
3431         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
3432         register.
3433         (move_exprs_to_boundary): Change return type and pass through
3434         should_move from move_op.  Relax assert.  Update usage ...
3435         (schedule_expr_on_boundary): ... here.  Use should_move instead of
3436         cant_move.
3437         (move_op_orig_expr_found): Indicate that insn was disconnected from
3438         stream.
3439         (code_motion_process_successors): Do not call after_merge_succs
3440         callback if original expression was not found when traversing any of
3441         the branches.
3442         (code_motion_path_driver): Change return type.  Update prototype.
3443         (move_op): Update comment.  Add a new parameter (should_move).  Update
3444         prototype.  Set *should_move based on indication provided by
3445         move_op_orig_expr_found.
3446
3447 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
3448
3449         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
3450         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
3451         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
3452         * config/rs6000/rs6000.c (rs6000_override_options): Default
3453         avoid-indexed-addresses on for Power6, off for everything else.
3454         (avoiding_indexed_address_p): New function.
3455         (rs6000_legitimize_address): Use it.
3456         (rs6000_legitimate_address): Likewise.
3457         * config/rs6000/rs6000.md (movXX_updateX): Likewise
3458