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1 2009-05-19  Eric Botcazou  <ebotcazou@adacore.com>
2
3         * tree-scalar-evolution.c (follow_ssa_edge_expr) <NOP_EXPR>: Turn
4         into CASE_CONVERT.
5         <PLUS_EXPR>: Strip useless type conversions instead of type nops.
6         Propagate the type of the first operand.
7         <ASSERT_EXPR>: Simplify.
8         (follow_ssa_edge_in_rhs): Use gimple_expr_type to get the type.
9         Rewrite using the RHS code as discriminant.
10         <NOP_EXPR>: Turn into CASE_CONVERT.
11         <PLUS_EXPR>: Propagate the type of the first operand.
12
13 2009-05-19  Steve Ellcey  <sje@cup.hp.com>
14
15         * config/ia64/ia64-protos.h (ia64_dconst_0_5): New.
16         (ia64_dconst_0_375): New.
17         * config/ia64/ia64.c (ia64_override_options): Remove
18         -minline-sqrt-min-latency warning.
19         (ia64_dconst_0_5_rtx, ia64_dconst_0_5): New.
20         (ia64_dconst_0_375_rtx, ia64_dconst_0_375): New
21         * config/ia64/ia64.md (*sqrt_approx): Remove.
22         (sqrtsf2): Remove #if 0.
23         (sqrtsf2_internal_thr): Rewrite and move to div.md.
24         (sqrtdf): Remove assert.
25         (sqrtdf2_internal_thr): Rewrite and move to div.md.
26         (sqrtxf2): Remove #if 0.
27         (sqrtxf2_internal_thr): Rewrite and move to div.md.
28         * div.md (sqrt_approx_rf): New.
29         (sqrtsf2_internal_thr): New implementation.
30         (sqrtsf2_internal_lat): New.
31         (sqrtdf2_internal_thr: New implementation.
32         (sqrtxf2_internal): New implementation.
33
34 2009-05-19  Francois-Xavier Coudert  <fxcoudert@gmail.com>
35             Hans-Peter Nilsson  <hp@axis.com>
36
37         * defaults.h (UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE)
38         (WCHAR_TYPE, MODIFIED_WCHAR_TYPE, PTRDIFF_TYPE, WINT_TYPE)
39         (INTMAX_TYPE, UINTMAX_TYPE, SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE)
40         (INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE)
41         (UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE)
42         (INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE)
43         (UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE)
44         (INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE)
45         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE)
46         (SIZE_TYPE, PID_TYPE, CHAR16_TYPE, CHAR32_TYPE): Move defaults here...
47         * c-common.c: ...from here.
48
49 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
50
51         * c-common.c (warn_logical_operator): Remove unnecessary
52         conditionals.
53
54 2009-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
55
56         * builtins.c (do_mpc_arg1): Separate MPFR/MPC C rounding types.
57
58 2009-05-19  Ben Elliston  <bje@au.ibm.com>
59
60         * unwind-dw2-fde.c (fde_unencoded_compare): Replace type punning
61         assignments with memcpy calls.
62         (add_fdes): Likewise.
63         (binary_search_unencoded_fdes): Likewise.
64         (linear_search_fdes): Eliminate type puns.
65         
66 2009-05-19  Richard Guenther  <rguenther@suse.de>
67
68         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do
69         not falsely claim to have propagated into all uses.
70
71 2009-05-19  Ben Elliston  <bje@au.ibm.com>
72
73         * doc/invoke.texi (C Dialect Options): Update OpenMP specification
74         version to v3.0.
75
76 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
77
78         * config/sh/sh-protos.h (sh_legitimate_address_p): Remove.
79         * config/sh/sh.c (sh_legitimate_address_p): Make static.
80         (TARGET_LEGITIMATE_ADDRESS_P): New.
81         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
82         * config/sh/sh.md: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
83         
84 2009-05-18  Dodji Seketeli  <dodji@redhat.com>
85
86         PR debug/40109
87         * dwarf2out.c (gen_type_die_with_usage): Generate the DIE as a
88         child of the containing namespace's DIE.
89
90 2009-05-18  Adam Nemet  <anemet@caviumnetworks.com>
91
92         * config/mips/mips.md (*zero_extend<GPR:mode>_trunc<SHORT:mode>,
93         *zero_extendhi_truncqi):  Move after the zero_extend patterns.
94         (*extenddi_truncate<mode>, *extendsi_truncate<mode>): Move after the
95         extend patterns.
96
97 2009-05-18  H.J. Lu  <hongjiu.lu@intel.com>
98
99         PR target/39942
100         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Replace
101         gen_align with gen_pad.
102         (ix86_reorg): Check ASM_OUTPUT_MAX_SKIP_PAD instead of
103         #ifdef ASM_OUTPUT_MAX_SKIP_ALIGN.
104
105         * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): New.
106         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
107
108         * config/i386/i386.md (align): Renamed to ...
109         (pad): This.  Replace ASM_OUTPUT_MAX_SKIP_ALIGN with
110         ASM_OUTPUT_MAX_SKIP_PAD.
111
112 2009-05-18  Andreas Schwab  <schwab@linux-m68k.org>
113
114         * config.gcc: Fix variable syntax.
115
116         PR target/39531
117         * config/m68k/m68k.c (output_andsi3): Mask off sign bit copies
118         before calling exact_log2.
119         (output_iorsi3): Likewise.
120         (output_xorsi3): Likewise.
121
122 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
123
124         * config/sh/sh.c (expand_cbranchdi4): Use a scratch register
125         for the none zero constant operand except for EQ and NE
126         comprisons even when the first operand is R0.
127
128 2009-05-18  Andreas Krebbel  <krebbel1@de.ibm.com>
129
130         * config/s390/2064.md: Remove trailing whitespaces.
131         * config/s390/2084.md: Likewise.
132         * config/s390/constraints.md: Likewise.
133         * config/s390/fixdfdi.h: Likewise.
134         * config/s390/libgcc-glibc.ver: Likewise.
135         * config/s390/s390-modes.def: Likewise.
136         * config/s390/s390-protos.h: Likewise.
137         * config/s390/s390.c: Likewise.
138         * config/s390/s390.h: Likewise.
139         * config/s390/s390.md: Likewise.
140         * config/s390/tpf-unwind.h: Likewise.
141
142 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
143
144         * config/m68k/m68k.c (m68k_legitimize_address): Fix typo in signature.
145
146 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
147
148         M68K TLS support.
149         * configure.ac (m68k-*-*): Check if binutils support TLS.
150         * configure: Regenerate.
151         * config/m68k/predicates.md (symbolic_operand): Extend comment.
152         * config/m68k/constraints.md (Cu): New constraint.
153         * config/m68k/m68k.md (UNSPEC_GOTOFF): Remove.
154         (UNSPEC_RELOC16, UNSPEC_RELOC32): New constants.
155         (movsi): Handle TLS symbols.
156         (addsi3_5200): Handle XTLS symbols, indent.
157         * config/m68k/m68k-protos.h (m68k_legitimize_tls_address): Declare.
158         (m68k_tls_reference_p): Declare.
159         (m68k_legitimize_address): Declare.
160         (m68k_unwrap_symbol): Declare.
161         * config/m68k/m68k.opt (mxtls): New option.
162         * config/m68k/m68k.c (ggc.h): Include.
163         (m68k_output_dwarf_dtprel): Implement hook.
164         (TARGET_HAVE_TLS, TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
165         (m68k_expand_prologue): Load GOT pointer when function needs it.
166         (m68k_illegitimate_symbolic_constant_p): Handle TLS symbols.
167         (m68k_legitimate_constant_address_p): Same.
168         (m68k_decompose_address): Handle TLS references.
169         (m68k_get_gp): New static function.
170         (enum m68k_reloc): New contants.
171         (TLS_RELOC_P): New macro.
172         (m68k_wrap_symbol): New static function.
173         (m68k_unwrap_symbol): New function.
174         (m68k_final_prescan_insn_1): New static function.
175         (m68k_final_prescan_insn): New function.
176         (m68k_move_to_reg, m68k_wrap_symbol_into_got_ref): New static
177         functions.
178         (legitimize_pic_address): Handle TLS references..
179         (m68k_tls_get_addr, m68k_get_tls_get_addr)
180         (m68k_libcall_value_in_a0_p)
181         (m68k_call_tls_get_addr, m68k_read_tp, m68k_get_m68k_read_tp)
182         (m68k_call_m68k_read_tp): Helper variables and functions for ...
183         (m68k_legitimize_tls_address): Handle TLS references.
184         (m68k_tls_symbol_p, m68k_tls_reference_p_1, m68k_tls_reference_p):
185         New functions.
186         (m68k_legitimize_address): Handle TLS symbols.
187         (m68k_get_reloc_decoration): New static function.
188         (m68k_output_addr_const_extra): Handle UNSPEC_RELOC16 and
189         UNSPEC_RELOC32.
190         (m68k_output_dwarf_dtprel): Implement hook.
191         (print_operand_address): Handle UNSPEC_RELOC16 adn UNSPEC_RELOC32.
192         (m68k_libcall_value): Return result in A0 instead of D0 when asked by
193         m68k_call_* routines.
194         (sched_attr_op_type): Handle TLS symbols.
195         (gt-m68k.h): Include.
196         * config/m68k/m68k.h (FINAL_PRESCAN_INSN): Define.
197         (LEGITIMATE_PIC_OPERAND_P): Support TLS.
198
199 2009-05-18  Martin Jambor  <mjambor@suse.cz>
200
201         * ipa-prop.c (ipa_check_stmt_modifications): Removed.
202         (visit_store_addr_for_mod_analysis): New function.
203         (ipa_detect_param_modifications): Use walk_stmt_load_store_addr_ops.
204         (determine_cst_member_ptr): Use gimple_assign_single_p.
205         (ipa_get_stmt_member_ptr_load_param): Use gimple_assign_single_p.
206         (ipa_analyze_call_uses): Use !gimple_assign_rhs2 rather than number of
207         operands.  Don't check number of operands of a NOP_EXPR.
208
209 2009-05-18  Eric Fisher  <joefoxreal@gmail.com>
210
211         * doc/tree-ssa.texi (SSA Operands): Fix a mistake.
212
213 2009-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
214
215         PR c/40172
216         * c-common.c (warn_logical_operator): Don't warn if one of
217         expression isn't always true or false.
218
219 2009-05-17  Kai Tietz  <kai.tietz@onevision.com>
220
221         * config/i386/biarch32.h: New file.
222         * config.gcc: Add for target i386-w64-* the biarch32.h to tm_file.
223
224 2009-05-17  Adam Nemet  <anemet@caviumnetworks.com>
225
226         * config/mips/mips.md (*zero_extend<mode>_trunchi,
227         *zero_extend<mode>_truncqi): Merge these into ...
228         (*zero_extend<GPR:mode>_trunc<SHORT:mode>): ... this new pattern.
229         Name the pattern following this as *zero_extendhi_truncqi.
230
231 2009-05-16  Brad Lucier  <lucier@math.purdue.edu>
232
233         PR middle-end/39301
234         * hwint.h: Add macro HOST_WIDEST_INT_PRINT.
235         * bitmap.c (bitmap_descriptor): Make fields HOST_WIDEST_INT.
236         (output_info): Make field HOST_WIDEST_INT.
237         (print_statistics): Use HOST_WIDEST_INT_PRINT.
238         (dump_bitmat_statistics): Same.
239
240 2009-05-16  Francois-Xavier Coudert  <fxcoudert@gmail.com>
241
242         * config.gcc (use_gcc_stdint):  Set to wrap.
243         * config/darwin.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
244         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
245         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
246         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
247         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
248         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
249         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
250         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
251
252 2009-05-16  Joseph Myers  <joseph@codesourcery.com>
253
254         * config.gcc (mips*-*-*): Support arch_32, arch_64, tune_32 and
255         tune_64.
256         * config/mips/mips.h (MIPS_ABI_DEFAULT, MULTILIB_ABI_DEFAULT):
257         Move definitions earlier.
258         (OPT_ARCH64, OPT_ARCH32): Define.
259         (OPTION_DEFAULT_SPECS): Add entries for arch_32, arch_64, tune_32
260         and tune_64.
261
262 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
263
264         PR target/40153
265         * arm.md (cstoresi_nltu_thumb1): Use a neg of ltu as the pattern name
266         implies.
267
268 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
269
270         * arm.md (movdi2): Copy non-reg values to DImode registers.
271
272 2009-05-16  Jakub Jelinek  <jakub@redhat.com>
273
274         PR target/39942
275         * final.c (label_to_max_skip): New function.
276         (label_to_alignment): Only use LABEL_TO_ALIGNMENT if
277         CODE_LABEL_NUMBER <= max_labelno.
278         * output.h (label_to_max_skip): New prototype.
279         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Renamed to...
280         (ix86_avoid_jump_mispredicts): ... this.  Don't define if
281         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.  Update comment.
282         Handle CODE_LABELs with >= 16 byte alignment or with
283         max_skip == (1 << align) - 1.
284         (ix86_reorg): Don't call ix86_avoid_jump_mispredicts if
285         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.
286
287         PR target/39942
288         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
289         .p2align 3 if MAX_SKIP is smaller than 7.
290         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
291
292 2009-05-15  Ian Lance Taylor  <iant@google.com>
293
294         * alias.c (struct alias_set_entry_d): Rename from struct
295         alias_set_entry.  Change all uses.
296         * except.c (struct call_site_record_d): Rename from struct
297         call_site_record.  Change all uses.
298         * except.h (struct eh_region_d): Rename from struct eh_region.
299         Change all uses.
300         * gcse.c (struct hash_table_d): Rename from struct hash_table.
301         Change all uses.
302         * graphite.c (struct ivtype_map_elt_d): Rename fromstruct
303         ivtype_map_elt.  Change all uses.
304         (struct rename_map_elt_d): Rename fromstruct rename_map_elt.
305         Change all uses.
306         (struct ifsese_d): Rename fromstruct ifsese.  Change all uses.
307         * graphite.h (struct name_tree_d): Rename from struct name_tree.
308         Change all uses.
309         (struct sese_d): Rename from struct sese.  Change all uses.
310         * omega.h (struct eqn_d): Rename from struct eqn.  Change all
311         uses.
312         (struct omega_pb_d): Rename from struct omega_pb.  Change all
313         uses.
314         * optabs.h (struct optab_d): Rename from struct optab.  Change all
315         uses.
316         (struct convert_optab_d): Rename from struct convert_optab.
317         Change all uses.
318         * tree-pass.h (struct ipa_opt_pass_d): Rename fromstruct
319         ipa_opt_pass.  Change all uses.
320         * tree-predcom.c (struct dref_d): Rename from struct dref.  Change
321         all uses.
322
323         * c-decl.c (pushtag): If -Wc++-compat, warn if the tag is already
324         defined as a typedef.
325         (grokdeclarator): If -Wc++-compat, warn if a typedef is already
326         defined as a tag.
327
328 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
329
330         PR 16302
331         * fold-const.c (make_range,build_range_check,merge_ranges): Move
332         declaration to...
333         (merge_ranges): Returns bool. 
334         * tree.h (make_range): .. to here.
335         (build_range_check): Likewise.
336         (merge_ranges): Likewise. Renamed from merge_ranges.
337         * c-typeck.c (parser_build_binary_op): Update calls to
338         warn_logical_operator.
339         * c-common.c (warn_logical_operator): Add new warning.
340         * c-common.h (warn_logical_operator): Update declaration.
341         
342 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
343
344         * ira-conflicts.c (add_insn_allocno_copies): Fix wrong
345         conditional.
346         
347 2009-05-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
348
349         * doc/install.texi: Document MPC requirements, flags etc.
350
351         * builtins.c (do_mpc_arg1, fold_builtin_ccos): New.
352         (fold_builtin_cexp): Ensure we get a complex REAL_TYPE.
353         Evaluate constant arguments.
354         (fold_builtin_carg): Ensure we get a complex REAL_TYPE.
355         (fold_builtin_1): Likewise, also evaluate constant arguments.
356         Remove superfluous break.
357         (do_mpc_ckconv): New.
358         * real.h: Include mpc.h.
359         * toplev.c (print_version): Output MPC version info if available.
360
361 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
362
363         * fold-const.c (fold_convert_const_real_from_real): Check for
364         overflow.
365
366 2009-05-15  H.J. Lu  <hongjiu.lu@intel.com>
367
368         * config/i386/i386.c (ix86_reorg): Call optimize_function_for_speed_p
369         only once.
370
371 2009-05-15  Jan Hubicka  <jh@suse.cz>
372
373         * doc/invoke.texi (max-early-inliner-iterations): New flag.
374         * ipa-inline.c (enum inlining_mode): New INLINE_SIZE_NORECURSIVE.
375         (try_inline): Fix return value.
376         (cgraph_decide_inlining_incrementally): Honor new value.
377         (cgraph_early_inlining): Handle indirect inlining.
378         * params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): New.
379
380 2009-05-15  Jan Hubicka  <jh@suse.cz>
381
382         * cgraph.h (struct cgraph_node): Add finalized_by_frotnend flag.
383         * cgraphunit.c (cgraph_finalize_function): Set it.
384         (cgraph_expand_function): Use it.
385
386 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
387
388         * real.c (encode_ieee_half): Define.
389         (decode_ieee_half): Define.
390         (ieee_half_format): Define.
391         (arm_half_format): Define.
392         * real.h (ieee_half_format): Declare.
393         (arm_half_format): Declare.
394
395 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
396
397         * optabs.c (prepare_float_lib_cmp):  Test that the comparison,
398         swapped, and reversed optabs exist before trying to use them.
399
400 2009-05-15  Paul Brook  <paul@codesourcery.com>
401             Sandra Loosemore  <sandra@codesourcery.com>
402
403         * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure
404         loads.  Allow PRE_DEC.
405         (output_move_neon): Handle PRE_DEC.
406         (arm_print_operand): Add 'A' for neon structure loads.
407         * config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype.
408         * config/arm/neon.md (neon_mov): Update comment.
409         * config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand
410         calls.
411         (Um): New constraint.
412
413 2009-05-15  Jan Hubicka  <jh@suse.cz>
414
415         Revert the following patch until testsuite fallout is fixed:
416         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
417         * cgraph.h (struct inline_summary): New filed self_wize,
418         size_inlining_benefit, self_time and time_inlining_benefit.
419         (struct cgraph_global_info): Replace insns by time ans size fields.
420         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
421         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
422         (ipcp_update_callgraph): Do not touch function bodies.
423         * ipa-inline.c: Include except.h
424         MAX_TIME: New constant.
425         (overall_insns): Remove
426         (overall_size, max_benefit): New static variables.
427         (cgraph_estimate_time_after_inlining): New function.
428         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
429         (cgraph_clone_inlined_nodes): Update size.
430         (cgraph_mark_inline_edge): Update size.
431         (cgraph_estimate_growth): Use size info.
432         (cgraph_check_inline_limits): Check size.
433         (cgraph_default_inline_p): Likewise.
434         (cgraph_edge_badness): Compute badness based on benefit and size cost.
435         (cgraph_decide_recursive_inlining): Check size.
436         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and times.
437         (cgraph_decide_inlining): Likewise.
438         (cgraph_decide_inlining_incrementally): Likewise; honor PARAM_EARLY_INLINING_INSNS.
439         (likely_eliminated_by_inlining_p): New predicate.
440         (estimate_function_body_sizes): New function.
441         (compute_inline_parameters): Use it.
442         * except.c (must_not_throw_labels): New function.
443         * except.h (must_not_throw_labels): Declare.
444         * tree-inline.c (init_inline_once): Kill inlining_weigths
445         * tree-ssa-structalias.c: Avoid uninitialized warning.
446         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
447         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
448         (PARAM_INLINE_CALL_COST): Remove.
449         (PARAM_EARLY_INLINING_INSNS): New.
450
451 2009-05-15  Richard Guenther  <rguenther@suse.de>
452
453         * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
454         not TODO_update_ssa.
455
456 2009-05-15  Richard Guenther  <rguenther@suse.de>
457
458         PR tree-optimization/39999
459         * gimple.h (gimple_expr_type): Use the expression type looking
460         through useless conversions.
461         * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
462         (vn_nary_op_insert_stmt): Likewise.
463         (simplify_binary_expression): Likewise.
464
465 2009-05-15  Richard Guenther  <rguenther@suse.de>
466
467         * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
468         New options, enabled by default.
469         * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
470         Document.
471         * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
472         * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
473         * tree-ssa-structalias.c (gate_tree_pta): New function.
474         (pass_build_alias): Use it.
475
476 2009-05-15  Joseph Myers  <joseph@codesourcery.com>
477
478         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
479         recurse on an invariant address if a conversion from a pointer
480         type to a wider integer type is involved.
481
482 2009-05-15  Jan Hubicka  <jh@suse.cz>
483
484         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
485         * cgraph.h (struct inline_summary): New filed self_wize,
486         size_inlining_benefit, self_time and time_inlining_benefit.
487         (struct cgraph_global_info): Replace insns by time ans size fields.
488         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
489         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
490         (ipcp_update_callgraph): Do not touch function bodies.
491         * ipa-inline.c: Include except.h
492         MAX_TIME: New constant.
493         (overall_insns): Remove
494         (overall_size, max_benefit): New static variables.
495         (cgraph_estimate_time_after_inlining): New function.
496         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
497         (cgraph_clone_inlined_nodes): Update size.
498         (cgraph_mark_inline_edge): Update size.
499         (cgraph_estimate_growth): Use size info.
500         (cgraph_check_inline_limits): Check size.
501         (cgraph_default_inline_p): Likewise.
502         (cgraph_edge_badness): Compute badness based on benefit and size cost.
503         (cgraph_decide_recursive_inlining): Check size.
504         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and times.
505         (cgraph_decide_inlining): Likewise.
506         (cgraph_decide_inlining_incrementally): Likewise; honor PARAM_EARLY_INLINING_INSNS.
507         (likely_eliminated_by_inlining_p): New predicate.
508         (estimate_function_body_sizes): New function.
509         (compute_inline_parameters): Use it.
510         * except.c (must_not_throw_labels): New function.
511         * except.h (must_not_throw_labels): Declare.
512         * tree-inline.c (init_inline_once): Kill inlining_weigths
513         * tree-ssa-structalias.c: Avoid uninitialized warning.
514         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
515         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
516         (PARAM_INLINE_CALL_COST): Remove.
517         (PARAM_EARLY_INLINING_INSNS): New.
518         doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
519         (inline-call-cost): Remove.
520         (early-inlining-insns): New.
521
522 2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>
523
524         * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
525         for bounds.
526         (print_int_cst_bounds_in_octal_p): Likewise.
527         (dbxout_type): Adjust calls to above functions.  Be prepared to deal
528         with subtypes.
529         * dwarf2out.c (base_type_die): Likewise.
530         (is_subrange_type): Delete.
531         (subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
532         (modified_type_die): Call subrange_type_for_debug_p on subtypes.
533         * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it if
534         the destination type is boolean.
535         (build_range_check): Do not special-case subtypes.
536         (fold_sign_changed_comparison): Likewise.
537         (fold_unary): Likewise.
538         * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
539         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
540         * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
541         * tree.c (subrange_type_for_debug_p): New predicate based on the former
542         is_subrange_type.
543         * tree.h (subrange_type_for_debug_p): Declare.
544         * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
545         (convert_affine_scev): Remove call to above function.
546         (chrec_convert_aggressive): Likewise.
547         * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
548         false for conversions involving subtypes.
549         * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
550         (vrp_val_min): Likewise.
551         (needs_overflow_infinity): Likewise.
552         (extract_range_from_unary_expr): Likewise.
553
554 2009-05-15  Paolo Bonzini  <bonzini@gnu.org>
555
556         * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
557         * config/frv/frv.c: Likewise.
558         * config/s390/s390.c: Likewise.
559         * config/sparc/sparc.h: Likewise.
560         * config/i386/i386.h: Likewise.
561         * config/i386/i386.c: Likewise.
562         * config/crx/crx.c: Likewise.
563         * config/m68hc11/m68hc11.h: Likewise.
564         * config/iq2000/iq2000.c: Likewise.
565         * config/mn10300/mn10300.h: Likewise.
566         * config/mn10300/mn10300.c: Likewise.
567         * config/m68k/m68k.c: Likewise.
568         * config/rs6000/rs6000.c: Likewise.
569         * config/rs6000/xcoff.h: Likewise.
570         * config/rs6000/linux64.h: Likewise.
571         * config/rs6000/sysv4.h: Likewise.
572         * config/score/score3.c: Likewise.
573         * config/score/score7.c: Likewise.
574         * config/score/score.c: Likewise.
575         * config/arm/arm.md: Likewise.
576         * config/mips/mips.c: Likewise.
577         * config/mips/mips.md: Likewise.
578         * config/bfin/bfin.h: Likewise.
579         * config/pa/pa.c: Likewise.
580         * config/pa/constraints.md: Likewise.
581
582         * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
583         * config/pdp11/pdp11.c (legitimate_address_p): Delete.
584         * config/pdp11/pdp11.h: Use memory_address_p instead.
585
586 2009-05-14  Ian Lance Taylor  <iant@google.com>
587
588         * passes.c (finish_optimization_passes): Change i to int.
589         * plugin.c (plugins_active_p): Change event to int.
590         (dump_active_plugins): Likewise.
591         * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
592         Add cast.
593         * tree.c (tree_range_check_failed): Change c to unsigned int.
594         (omp_clause_range_check_failed): Likewise.
595         (build_common_builtin_nodes): Change mode to int.  Add cast.
596         * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
597         (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
598
599         * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
600         ++ or -- with a variable of enum type.
601
602 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
603
604         PR driver/40144
605         * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
606
607 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
608
609         * store-motion.c: Do not include params.h
610         * Makefile.in: Fix dependencies for various files.
611
612 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
613
614         * auto-inc-dec.c: Fix pass description, remove apparent
615         accidental duplication.
616
617 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
618
619         PR middle-end/40147
620         * ipa-utils.h (memory_identifier_string): Moved to ...
621         * tree.h (memory_identifier_string): Here.  Add GTY(()).
622
623 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
624
625         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
626         in the former documentation of...
627         (GO_IF_LEGITIMATE_ADDRESS): ... this.
628         * ira-conflicts.c (get_dup_num): Use address_operand.
629         * targhooks.c (default_legitimate_address_p): New.
630         * targhooks.h (default_legitimate_address_p): New.
631         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
632         Call hook.
633         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
634         * target.h (struct target): Add legitimate_address_p.
635         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
636         (TARGET_INITIALIZER): Include it.
637
638         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
639         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
640         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
641         (TARGET_LEGITIMATE_ADDRESS_P): New.
642
643         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
644         (REG_OK_STRICT_P): Delete.
645         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
646         (frv_legitimate_address_p_1): ... this.
647         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
648         (frv_legitimate_address_p_1): ... the renamed old
649         frv_legitimate_address_p.
650         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
651         (TARGET_LEGITIMATE_ADDRESS_P): New.
652
653         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
654         * config/s390/s390-protos.h (legitimate_address_p): Remove.
655         * config/s390/s390.c (legitimate_address_p): Rename to...
656         (s390_legitimate_address_p): ... this, make static.
657         (legitimize_address): Adjust call.
658         (TARGET_LEGITIMATE_ADDRESS_P): New.
659         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
660
661         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
662         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
663         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
664         (TARGET_LEGITIMATE_ADDRESS_P): New.
665
666         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
667         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
668         * config/spu/spu.c (spu_legitimate_address): Rename to...
669         (spu_legitimate_address_p): ... this, make static.
670         (TARGET_LEGITIMATE_ADDRESS_P): New.
671
672         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
673         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
674         * config/sparc/sparc.c (legitimate_address_p): Rename to...
675         (sparc_legitimate_address_p): ... this, make static and return bool.
676         (legitimize_address): Adjust call.
677         (TARGET_LEGITIMATE_ADDRESS_P): New.
678
679         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
680         * config/i386/i386-protos.h (legitimate_address_p): Remove.
681         * config/i386/i386.c (legitimate_address_p): Rename to...
682         (ix86_legitimate_address_p): ... this, make static.
683         (constant_address_p): Move after it, adjust call.
684         (TARGET_LEGITIMATE_ADDRESS_P): New.
685
686         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
687         * config/avr/avr-protos.h (legitimate_address_p): Remove.
688         * config/avr/avr.c (legitimate_address_p): Rename to...
689         (avr_legitimate_address_p): ... this, make static.
690         (legitimize_address): Adjust call.
691         (TARGET_LEGITIMATE_ADDRESS_P): New.
692
693         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
694         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
695         * config/crx/crx.c (crx_legitimate_address_p): Make static.
696         (TARGET_LEGITIMATE_ADDRESS_P): New.
697
698         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
699         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
700         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
701         (TARGET_LEGITIMATE_ADDRESS_P): New.
702
703         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
704         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
705         Remove.
706         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
707         Make static.
708         (TARGET_LEGITIMATE_ADDRESS_P): New.
709
710         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
711         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
712         Remove.
713         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
714         Rename to...
715         (m68hc11_legitimate_address_p): ... this, make static.
716         (go_if_legitimate_address_internal): Rename to...
717         (m68hc11_legitimate_address_p_1): ... this.
718         (legitimize_address): Adjust call.
719         (TARGET_LEGITIMATE_ADDRESS_P): New.
720
721         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
722         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p):
723         Remove.
724         * config/iq2000/iq2000.c (iq2000_legitimate_address_p):
725         Make static.
726         (TARGET_LEGITIMATE_ADDRESS_P): New.
727
728         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
729         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
730         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
731         (mn10300_legitimate_address_p): ... this, make static.
732         (TARGET_LEGITIMATE_ADDRESS_P): New.
733
734         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
735         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
736         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
737         (TARGET_LEGITIMATE_ADDRESS_P): New.
738
739         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
740         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
741         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
742         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
743         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
744         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
745         (rs6000_legitimate_address_p): ... this, make static.
746         (TARGET_LEGITIMATE_ADDRESS_P): New.
747         (REG_MODE_OK_FOR_BASE_P): Delete.
748         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
749
750         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
751         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
752         Delete.
753         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
754         static, adjust types.
755         (TARGET_LEGITIMATE_ADDRESS_P): New.
756
757         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
758         * config/score/score.c (score_address_p): Rename to...
759         (score_legitimate_address_p): ... this.
760         (TARGET_LEGITIMATE_ADDRESS_P): New.
761         * config/score/score3.c (score3_address_p): Rename to...
762         (score3_legitimate_address_p): ... this.
763         * config/score/score7.c (score7_address_p): Rename to...
764         (score7_legitimate_address_p): ... this.
765
766         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
767         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
768         GO_IF_LEGITIMATE_ADDRESS): Delete.
769         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
770         thumb2_legitimate_address_p): Delete.
771         (arm_legitimate_address_p): Rename to...
772         (arm_legitimate_address_outer_p): ... this.
773         * config/arm/constraints.md ("Uq"): Adjust call.
774         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
775         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one to...
776         (arm_legitimate_address_outer_p): ... this.
777         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make static.
778         (TARGET_LEGITIMATE_ADDRESS_P): New.
779
780         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
781         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
782         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
783         (TARGET_LEGITIMATE_ADDRESS_P): New.
784
785         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
786         * config/vax/vax-protos.h (legitimate_address_p): Remove.
787         * config/vax/vax.c (legitimate_address_p): Rename to...
788         (vax_legitimate_address_p): ... this, make static.
789         (TARGET_LEGITIMATE_ADDRESS_P): New.
790
791         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
792         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
793         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
794         (TARGET_LEGITIMATE_ADDRESS_P): New.
795
796         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
797         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
798         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
799         (mmix_legitimate_address_p): ... this, make static.
800         (TARGET_LEGITIMATE_ADDRESS_P): New.
801
802         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
803         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
804         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
805         (TARGET_LEGITIMATE_ADDRESS_P): New.
806
807 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
808
809         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
810         of MODE_COMPLEX_INT.
811
812 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
813
814         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
815         LCT_NORMAL in function call.
816         * mips-tdump.c (print_file_desc): Add cast to enum type.
817         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
818         (mark_stabs): Add casts to enum types.
819         (parse_stabs_common): Add casts to enum types.
820
821 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
822
823         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
824         Check for invalid values of LETTER.
825
826 2009-05-13  Taras Glek  <tglek@mozilla.com>
827
828         * attribs.c (register_attribute): moved out attribute registration into
829         register_attribute.
830         * doc/plugins.texi: Documented register_attribute and PLUGIN_ATTRIBUTES.
831         * gcc-plugin.h: Added forward decl for register_attribute.
832         * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
833         * plugin.c (register_callback, invoke_plugin_callbacks): Added
834         PLUGIN_ATTRIBUTES boilerplate.
835
836 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
837
838         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
839         values even in sentinel and empty entries.
840         (ms_printf_flag_specs):  Likewise.
841         (ms_scanf_flag_specs):  Likewise.
842         (ms_strftime_flag_specs):  Likewise.
843         (ms_print_char_table):  Likewise.
844         (ms_scan_char_table):  Likewise.
845         (ms_time_char_table):  Likewise.
846
847 2009-05-13  Doug Kwan  <dougkwan@google.com>
848
849         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
850
851 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
852
853         * config/mips/mips.md (store): Add attributes for QI and HI.
854         Update comment.
855         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
856         (truncdi<mode>2): ... this new pattern.
857
858 2009-05-13  Brad Hards  <bradh@kde.org>
859
860         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
861
862 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
863             Ben Elliston <bje@au.ibm.com>
864
865         PR middle-end/40035
866         * dse.c (check_mem_read_rtx): Guard against width == -1.
867
868 2009-05-13  Michael Matz  <matz@suse.de>
869
870         PR middle-end/39976
871         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
872         (trivially_conflicts_p): New function.
873         (insert_backedge_copies): Use it.
874
875 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
876
877         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
878         (handle_stdc_pragma): Use new enum constant names.
879         (handle_pragma_float_const_decimal64): Ditto.
880
881 2009-05-13  Ian Lance Taylor  <iant@google.com>
882
883         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
884         tree.def.
885
886 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
887
888         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
889         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
890         multilibs.
891         * config/m68k/m68k.h (FL_UCLINUX): Define.
892
893 2009-05-13  Jan Hubicka  <jh@suse.cz>
894
895         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
896
897 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
898
899         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
900         unless -fschedule-insns is specified.
901
902 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
903
904         PR target/39561
905         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
906         TARGET_EXPAND_CBRANCHDI4.
907         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
908         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
909         (cmpeqdi): Fix comment.
910
911 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
912
913         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
914         (sh_legitimate_address_p): Likewise.
915         * config/sh/sh.c (sh_legitimate_index_p): New.
916         (sh_legitimate_address_p): Likewise.
917         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
918         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
919         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
920         (MAYBE_BASE_REGISTER_RTX_P): New macro.
921         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
922         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
923         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
924         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
925         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
926
927 2009-05-12  Jan Hubicka  <jh@suse.cz>
928
929         * tree-inline.c (estimate_operator_cost): Add operands;
930         when division happens by constant, it is cheap.
931         (estimate_num_insns): Loads and stores are not having cost of 0;
932         EH magic stuff is cheap; when computing runtime cost of switch,
933         use log2 base of amount of its cases; builtin_expect has cost of 0;
934         compute cost for moving return value of call.
935         (init_inline_once): Initialize time_based flags.
936         * tree-inline.h (eni_weights_d): Add time_based flag.
937
938 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
939
940         * df-core.c: Update head documentation.
941
942 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
943
944         PR bootstrap/40118
945         * rs6000.c (rs6000_generate_compare): Use op1b instead of
946         shadowing exisiting variable op1.
947
948 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
949
950         PR target/37179
951         * config/i386/driver-i386.c (processor_signatures): New enum.
952         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
953         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
954         processor signature to detect geode processor.
955
956 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
957
958         Revert:
959
960         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
961
962         * optabs.c (prepare_cmp_insn): Temporarily disable test that
963         causes spurious differences between trunk and cond-optab branch.
964
965 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
966
967         * dojump.c (compare_from_rtx): Delete.
968         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
969         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
970         if the comparison does not satisfy the predicate; test predicates for
971         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
972         further if one existing pattern fails.
973         * expr.h (compare_from_rtx): Delete.
974         (prepare_operand): Declare it.
975         * optabs.c: Change "lib call" to "libcall" throughout.
976         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
977         HAVE_conditional_trap, emit_cmp_insn): Delete.
978         (can_compare_p): Delete cmp_optab case.
979         (prepare_float_lib_cmp): Return an rtx and a machine mode.
980         Accept other parameters by value.
981         (prepare_operand): Make non-static.
982         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
983         other parameters by value.  Try to widen operands here based on
984         an optab_methods argument and looking at cbranch_optab.
985         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
986         loop.  Use cbranch_optab directly.
987         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
988         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
989         assertion.
990         (emit_conditional_move, emit_conditional_add): Inline what's needed
991         of compare_from_rtx, using new prepare_cmp_insn for the rest.
992         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
993         with COMPARE.  Move cmov_optab and cstore_optab above
994         with cbranch_optab, move cmp_optab down with ucmp_optab,
995         remove tst_otpab.  Do not initialize trap_rtx.
996         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
997         for trap code.  Do not check HAVE_conditional_trap.  Use
998         prepare_cmp_insn.  Accept no predicate for operand 3.
999         * optabs.h (OTI_cmp): Mark as used only for libcalls.
1000         (OTI_ctrap, ctrap_optab): New.
1001         (tst_optab): Delete.
1002         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
1003         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
1004         with lookup of ctrap_optab.
1005         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn,
1006         setcc_gen_code): Delete.
1007         (ctrap_optab): New.
1008
1009         * combine.c (combine_simplify_rtx, simplify_set): Do not
1010         special case comparing against zero for cc0 machines.
1011         * simplify-rtx.c (simplify_binary_operation_1): Never remove
1012         COMPARE on cc0 machines.
1013         (simplify_relational_operation): Return a new expression when
1014         a COMPARE could be removed.
1015         * final.c (final_scan_insn): Compare cc_status values
1016         against LHS of a (compare FOO (const_int 0)) cc0 source.
1017         Also check if cc_status.value is the full compare.
1018
1019         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
1020         (cstoreMM4): Document.
1021         (conditional_trap): Document ctrapMM4 instead.
1022         (sync_compare_and_swapMM): Refer to cbranchcc4.
1023         (Dependent Patterns): Eliminate obsolete information referring to
1024         the old jump optimization phase.
1025         (Canonicalization): Include cbranchcc4 case, omit canonicalization
1026         of compares with 0 on cc0 machines.
1027         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
1028         avoiding references to cc0.  Remove text about storing operands
1029         in cmpMM.
1030         * doc/tm.texi (Condition Codes): Include blurb on different
1031         condition code representations, separate into subsections for
1032         CC0, MODE_CC and conditional execution.
1033
1034         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
1035         alpha_emit_setcc): Accept operands and a machine mode.
1036         * config/alpha/alpha.c (alpha_emit_conditional_branch):
1037         Get code/op0/op1 from operands, use machine mode argument
1038         instead of alpha_compare.fp_p.  Emit the branch here.
1039         (alpha_emit_setcc): Likewise, and return boolean.
1040         (alpha_emit_conditional_move): Likewise.  Assert that
1041         cmp_op_mode == cmp_mode, and simplify accordingly.
1042         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
1043         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
1044         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
1045         Delete.
1046         (stack probe test): Use cbranchdi4.
1047         * config/alpha/predicates.md (alpha_cbranch_operator): New.
1048
1049         * config/arc/arc.c (gen_compare_reg): Do not emit cmp. 
1050         * config/arc/arc.h (movsicc, movsfcc): Use it.
1051         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
1052         (cbranchsi4, cstoresi4): New.
1053         (cmpsi, bCC and sCC expanders): Remove. 
1054
1055         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
1056         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
1057         * config/arm/predicates.md (arm_comparison_operator): Only include
1058         floating-point operators if there is a hardware floating-point unit.
1059         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
1060         deferring to cbranch_cc and cstore_cc respectively.
1061         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
1062         cbranch_cc, cstore_cc): New.
1063         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
1064         arm_compare_op1.
1065         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
1066
1067         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
1068         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
1069         as an argument.
1070         (adjust_insn_length): Adjust calls.
1071         (avr_reorg): Handle (compare (foo) (const_int 0)).
1072         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
1073         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
1074         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
1075         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
1076         (bCC): Remove.
1077         (cbranchqi4, cbranchhi4, cbranchsi4): New.
1078         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
1079
1080         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
1081         (cbranchsi4, cstorebi4, cstoresi4): New.
1082         (movbisi): This insn is duplicate, split it to zero_extend.
1083         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
1084         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
1085         (bfin_optimize_loop): Use cbranch expander.
1086         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
1087         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
1088         (bfin_bimode_comparison_operator): ... this.
1089         (bfin_direct_comparison_operator): New.
1090  
1091         * config/cris/cris.c (cris_normal_notice_update_cc): Look
1092         inside (compare FOO (const_int 0)).
1093         (cris_rtx_costs): Handle ZERO_EXTRACT.
1094         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
1095         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
1096         (*tstdi_v32): Delete.
1097         (*cmpdi_non_v32): Add M alternative for operand 1.
1098         (cmpsi, cmp<mode>): Make private.
1099         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
1100         with COMPARE.
1101         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
1102
1103         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
1104         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
1105         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
1106         (cc_reg_operand): New.
1107         (any_cond): Delete.
1108         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
1109         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
1110         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
1111         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
1112         crx_expand_scond): Delete.
1113
1114         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
1115         (cbranchsi4): New.
1116         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
1117         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
1118
1119         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
1120         cstoresi4, cstoresf4, cstoredf4): New.
1121         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
1122         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
1123         Receive the entire operands array.
1124         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
1125         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
1126         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
1127         Get test/op0/op1 from the operands array.
1128         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
1129
1130         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
1131         (h8300_expand_store): New.
1132         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
1133         (const_int 0)).
1134         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
1135         (h8300_expand_store): New.
1136         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
1137         or do not try to produce (set (cc0) REG).
1138         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
1139         change a compare into a move to a scratch register.  Disable some
1140         peepholes when comparing with zero.
1141         (tstsi, tsthi, tstsi, cmpqi): Make private.
1142         (cmphi): Delete.
1143         (bCC, sCC): Delete.
1144         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
1145         cstoresi4): New.
1146
1147         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
1148         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
1149         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
1150         (ix86_emit_i387_log1p): Use cbranchxf2.
1151         (ix86_expand_setcc): Return void.
1152         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
1153         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
1154         cmp<MODEF>, cmpcc): Remove.
1155         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
1156         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
1157         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
1158         (sCC and bCC expanders): Remove.
1159         (stack_protect_test): Use cbranchcc4.
1160
1161         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
1162         Delete.
1163         (ia64_expand_compare): Accept three rtx by reference and return void.
1164         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
1165         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
1166         from *expr.  Update *expr with the BImode comparison to do.
1167         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
1168         cmptf, bCC, sCC, conditional_trap): Delete.
1169         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4, 
1170         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
1171         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
1172         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
1173         * config/ia64/predicates.md (ia64_cbranch_operator): New.
1174
1175         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
1176         type of last argument.
1177         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
1178         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
1179         use machine mode argument instead of branch_type.  Remove dead
1180         code for floating-point comparisons.
1181         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
1182         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
1183         Remove.
1184         (cbranchsi4, cstoresi4): New.
1185         * config/iq2000/predicates.md (reg_or_const_operand): New.
1186
1187         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
1188         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
1189         (b<code>_op): Rewrite to...
1190         (bcc_op): ... this, using match_operator.
1191         (s<code>_op): Rewrite to...
1192         (scc_op): ... this, using match_operator.
1193         (s<code>_24_op): Rewrite to...
1194         (scc_op_24): ... this, using match_operator.
1195         (s<code>_<mode>): Rewrite to...
1196         (cstore<mode>4): ... this, using match_operator.
1197         (s<code>_<mode>_24): Rewrite to...
1198         (cstore<mode>4_24): ... this, using match_operator.
1199         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
1200         m32c_unpend_compare, m32c_expand_scc): Delete.
1201         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
1202         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
1203         (m32c_expand_movcc): Change NE to EQ if necessary.
1204         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
1205
1206         * config/m32r/m32r-protos.h (gen_cond_store): New.
1207         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
1208         (gen_cond_store): New, from sCC patterns.
1209         (m32r_expand_block_move): Use cbranchsi4.
1210         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
1211         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
1212         (cbranchsi4, cstoresi4): New.
1213         
1214         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
1215         Delete.
1216         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
1217         (m68hc11_notice_update_cc): Look into a compare with 0.
1218         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
1219         Delete.
1220         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
1221         cmphi, cmpqi, bCC): Delete.
1222         (cbranchsi4, cbranchhi4, cbranchqi4): New.
1223         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
1224         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
1225         sets with COMPARE.
1226
1227         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
1228         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
1229         * config/m68k/constraints.md (H): New.
1230         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
1231         the define_insn below.
1232         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
1233         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
1234         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
1235         patterns): Wrap RHS with COMPARE.
1236         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
1237         (*cmpdi_internal): Name this pattern.
1238         (cmpdi): Change to define_insn.
1239         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
1240         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
1241         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
1242         predicate.
1243         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
1244         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
1245         (conditional_trap): Change to...
1246         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
1247         (*conditional_trap): Use the ordered_comparison_operator and
1248         const1_operand predicates.
1249         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
1250         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
1251         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
1252         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
1253
1254         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
1255         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
1256         (mcore_gen_compare): New. 
1257         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
1258         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
1259         (mcore_gen_compare): ... this.
1260         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
1261         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
1262         (stack probe pattern): Use cbranchsi4.
1263
1264         * config/mips/predicates.md (mips_cstore_operator): New.
1265         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
1266         * config/mips/mips.md (any_cond): Delete.
1267         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
1268         always succeed.
1269         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
1270         fixuns_truncsfdi2): Use cbranch patterns.
1271         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete. 
1272         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
1273         Adjust call to mips_expand_conditional_branch.
1274         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
1275         cstore<GPR:mode>4.
1276         * config/mips/mips-protos.h (mips_expand_conditional_branch,
1277         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
1278         * config/mips/mips.c (cmp_operands): Delete.
1279         (mips_emit_compare): Get comparison operands from *op0/*op1.
1280         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
1281         that it succeeds.  Use op0/op1 instead of cmp_operands.
1282         (mips_expand_conditional_branch, mips_expand_conditional_move,
1283         mips_expand_conditional_trap): Likewise.
1284         (mips_block_move_loop): Use cbranch patterns. 
1285         * config/mips/mips.h (cmp_operands): Delete.
1286
1287         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
1288         (mmix_gen_compare_reg): Just return a register in the right CC mode.
1289         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
1290         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
1291         (*cmpcc_folded): Rename to...
1292         (*cmpdi_folded): this.
1293         (*cmpcc): Rename to...
1294         (*cmps): ... this.
1295         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
1296         (bCC): Remove.
1297         (cbranchdi4): New.
1298         (cbranchdf4): New.  Handle invalid comparisons here.
1299         * config/mmix/predicates.md (float_comparison_operator): New.
1300
1301         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
1302         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
1303         * config/mn10300/mn10300.md (tst): Delete.
1304         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
1305         Name these patterns and wrap RHS in a compare.
1306         (*cmpsi): Make this pattern private.  Include tst.
1307         (*cmpsf): Make this pattern private.
1308         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
1309         (compare with zero peepholes): Likewise.
1310         (bCC): Remove.
1311         (cbranchsi4, cbranchsf4): New.
1312         (casesi): Use cbranchsi4.
1313
1314         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
1315         hppa_branch_type): Delete.
1316         (return_addr_rtx): Use cbranchsi4.
1317         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
1318         Emit CCFPmode comparison here.
1319         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
1320         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
1321         hppa_branch_type): Delete.
1322         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
1323         (movsicc, movdicc): Remove references to hppa_compare_op0,
1324         hppa_compare_op1 and compare_from_rtx.
1325         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
1326         (casesi): Use cbranchsi4.
1327
1328         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
1329         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
1330         * config/pdp11/pdp11.md (register_or_const0_operand): New.
1331         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
1332         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
1333         (bCC): Delete.
1334         (cbranchdf4, cbranchhi4, cbranchqi4): New.
1335         (*branch, *branch_inverted): New.
1336
1337         * config/picochip/picochip.md (cbranchhi4): Use
1338         ordered_comparison_operator.
1339         (cmphi, bCC): Remove.
1340
1341         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
1342         (trap_comparison_operator): Delete.
1343         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
1344         rs6000_emit_cbranch): Accept mode and operands.
1345         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
1346         rs6000_compare_fp_p): Delete.   
1347         (rs6000_generate_compare): Accept mode and comparison.  Extract code
1348         and op0/op1 from there.  Replace references to rs6000_compare_op0
1349         and rs6000_compare_op1.
1350         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
1351         extract result from passed operands.
1352         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
1353         extract loc from passed operands.
1354         (rs6000_emit_cmove): Likewise.
1355         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
1356         rs6000_compare_fp_p): Delete.
1357         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
1358         (cbranch<GPR>4, cbranch<FP>4): New.
1359         (cstore<mode>4): New.  Consolidate here all choices about when to use
1360         portable or specialized sCC sequences.
1361         (stack_protect_test): Use cbranchsi4.
1362         (conditional_trap): Replace with ctrap<GPR>4.
1363         (conditional trap insn): Replace trap_comparison_operator with
1364         ordered_comparison_operator. 
1365
1366         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
1367         (s390_emit_prologue): Use ctrap.
1368         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
1369         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
1370         New predicates replacing...
1371         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
1372         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
1373         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
1374         (add<mode>cc): Do not use s390_compare_op0/op1.
1375         (s<code>): Change to...
1376         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
1377         (seq): Change to...
1378         (cstorecc4): ... this.  Handle EQ or NE equally.
1379         (*sne): Un-privatize for use in cstorecc4.
1380         (b<code>): Change to...
1381         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
1382         (conditional_trap): Replace with...
1383         (ctrap<GPR>4, ctrap<FP>4): ... these.
1384         (stack_protect): Use cbranchcc4.
1385
1386         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
1387         * config/score/score-protos.h (score_gen_cmp): Delete.
1388         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
1389         (score_block_move-loop): Use cbranchsi4.
1390         * config/score/score.md (cbranchsi4): New.
1391         (cmpsi, bCC): Delete.
1392         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
1393         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
1394         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
1395         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
1396         * config/score/score3.h (score3_gen_cmp): Delete.
1397         * config/score/score7.h (score7_gen_cmp): Delete.
1398
1399         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
1400         (sh_emit_scc_to_t): ... this.  Return void.
1401         (from_compare): Rename to...
1402         (sh_emit_compare_and_branch): ... this.
1403         (sh_emit_compare_and_set): New.
1404         (sh_expand_t_scc): Accept operands.
1405         * config/sh/predicates.md (sh_float_comparison_operator): New.
1406         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
1407         (prepare_scc_operands): Rename to...
1408         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
1409         arguments.
1410         (sh_emit_cheap_store_flag): New.
1411         (sh_emit_set_t_insn): New.
1412         (from_compare): Rename to...
1413         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
1414         handling of TARGET_SH2E floating point to avoid recursive call.
1415         Generate branch here.
1416         (sh_emit_compare_and_set): New.
1417         (sh_expand_t_scc): Get op0/op1 from arguments.
1418         (sh_emit_cheap_store_flag): New.
1419         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
1420         cases.
1421         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
1422         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
1423         (movsicc, movdicc): Do nothing when it recreated operands from
1424         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
1425         prepare_scc_operands (now sh_emit_scc_to_t).
1426         (udivdi3): Use cstoresi4.
1427         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
1428         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
1429         (cbranchint4_media, cbranchfp4_media): New.
1430         (casesi): Use cbranchdi4.
1431         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
1432         Delete.
1433         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
1434         (movnegt): Remove second operand.
1435         (cbranchsf4, cbranchdf4): New.
1436         (stack_protect): Use cbranchdi4/cbranchsi4.
1437
1438         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
1439         (gen_compare_reg): Accept comparison, extract part of it to...
1440         (gen_compare_reg_1): ... this. 
1441         (gen_compare_operator): Delete.
1442         (gen_v9_scc): Accept separate destination, comparison code and arms.
1443         Do not use sparc_compare_op0/sparc_compare_op1.
1444         (emit_scc_insn, emit_conditional_branch_insn): New.
1445         (emit_v9_brxx): Make static.  Remove useless assertion.
1446         (sparc_emit_float_lib_cmp): Return RTL instead of calling
1447         emit_cmp_insn.
1448         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
1449         * config/sparc/sparc-protos.h (gen_compare_reg,
1450         sparc_emit_float_lib_cmp): Adjust prototype.
1451         (emit_scc_insn, emit_conditional_branch_insn): New.
1452         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
1453         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
1454         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
1455         iterators to the top.
1456         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
1457         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
1458         snedi_special_trunc): Delete.
1459         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
1460         and snedi_special_trunc.
1461         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
1462         cbranchdi4, cbranch<F:mode>4): New.
1463         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
1464         here.  Use gen_compare_reg instead of gen_compare_operator.
1465         (conditional_trap): Replace with...
1466         (ctrapsi4, ctrapdi4): ... this.
1467         (stack_protect_test): Use cbranchcc4.
1468
1469         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
1470         argument to rtx.
1471         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove. 
1472         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
1473         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
1474         from operands[0] or operands[3] depending on is_set.
1475         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
1476         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
1477         cmpdf, bCC), sCC: Remove.
1478         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4, 
1479         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
1480         cstoredf4): New.
1481         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
1482         spu_emit_branch_or_set.
1483
1484         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
1485         Add two arguments.
1486         * config/stormy16/stormy16.h (xstormy16_compare_op0,
1487         xstormy16_compare_op1): Delete.
1488         * config/stormy16/stormy16.c (xstormy16_compare_op0,
1489         xstormy16_compare_op1): Delete. 
1490         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
1491         Adjust calls.
1492         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
1493         (cmphi, cmpsi, bCC): Remove.
1494
1495         * config/v850/v850.md (tstsi, cmpsi): Fold into...
1496         (*cmpsi): ... this one.
1497         (cbranchsi4, cstoresi4): New.
1498         (bCC expanders): Delete.
1499         (sCC insns): Fold into...
1500         (*setcc): ... this one.
1501         (casesi): Do not use gen_cmpsi and gen_bgtu. 
1502         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
1503         (movsicc): Simplify.
1504         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
1505
1506         * config/vax/vax-protos.h (cond_name): New.
1507         (vax_output_conditional_branch): Remove.
1508         * config/vax/vax.c (cond_name): New.
1509         (vax_output_conditional_branch): Remove.
1510         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
1511         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
1512         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
1513         (bit<VAXint>): Wrap source with (compare).
1514         (b<code> and following unnamed pattern): Rename to *branch and
1515         *branch_reversed.  Change macroization to match_operator.
1516         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
1517
1518         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
1519         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
1520         Change last argument to machine_mode.
1521         (xtensa_expand_scc): Add machine_mode argument.
1522         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
1523         (gen_conditional_move, xtensa_expand_conditional_branch,
1524         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
1525         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
1526         Adjust operand numbers.
1527         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
1528         Delete.
1529         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
1530         (cmpsi, cmpsf, b<code>, s<code>): Delete.
1531         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
1532
1533 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1534
1535         * optabs.c (prepare_cmp_insn): Temporarily disable test that
1536         causes spurious differences between trunk and cond-optab branch.
1537
1538 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
1539
1540         PR target/37137
1541         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
1542
1543 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
1544
1545         * tree.c (iterative_hash_pointer): Delete.
1546         (iterative_hash_expr): Short-circuit handling of NULL pointer.
1547         Hash UIDs and versions of SSA names.  Don't special-case built-in
1548         function declarations.
1549
1550 2009-05-11  Ian Lance Taylor  <iant@google.com>
1551
1552         PR bootstrap/40103
1553         * graphite.c: Force -Wc++-compat to only be a warning before
1554         #including "cloog/cloog.h".
1555
1556 2009-05-11  Martin Jambor  <mjambor@suse.cz>
1557
1558         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
1559         
1560 2009-05-11  Jan Hubicka  <jh@suse.cz>
1561
1562         * tree-ssa-loop-ivcanon.c: Include target.h
1563         (struct loop_size): new structure.
1564         (constant_after_peeling): New predicate.
1565         (tree_estimate_loop_size): New function.
1566         (estimated_unrolled_size): Rewrite for new estimates.
1567         (try_unroll_loop_completely): Use new estimates.
1568         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
1569
1570 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1571
1572         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
1573         libcpp interface change.
1574         (spu_macro_to_expand): Likewise.
1575
1576 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
1577
1578         PR tree-optimization/40026
1579         * gimplify.c (gimplify_init_constructor): Change initial conditional
1580         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
1581         optimize_compound_literals_in_ctor.
1582
1583 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
1584
1585         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
1586         New devices.
1587         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
1588
1589 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
1590
1591         * tree-vect-data-refs.c (vect_analyze_group_access): Use
1592         HOST_WIDE_INT for gap.
1593
1594 2009-05-11  Ira Rosen  <irar@il.ibm.com>
1595
1596         PR tree-optimization/40074
1597         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
1598         account in group size and step comparison.
1599
1600 2009-05-11  Richard Guenther  <rguenther@suse.de>
1601
1602         * passes.c (init_optimization_passes): Strip now incorrect comment.
1603         (execute_function_todo): Do not set PROP_alias.
1604         * tree-pass.h (PROP_alias): Remove.
1605         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
1606         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
1607         * tree-nrv.c (pass_return_slot): Likewise.
1608         * tree-object-size.c (pass_object_sizes): Likewise.
1609         * tree-ssa-dom.c (pass_dominator): Likewise.
1610         (pass_phi_only_cprop): Likewise.
1611         * tree-ssa-dse.c (pass_dse): Likewise.
1612         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
1613         (pass_cselim): Likewise.
1614         * tree-ssa-pre.c (pass_pre): Likewise.
1615         (pass_fre): Likewise.
1616         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
1617         * tree-ssa-sink.c (pass_sink_code): Likewise.
1618         * tree-stdarg.c (pass_stdarg): Likewise.
1619         * tree-tailcall.c (pass_tail_calls): Likewise.
1620         * tree-vrp.c (pass_vrp): Likewise.
1621
1622 2009-05-10  Ian Lance Taylor  <iant@google.com>
1623
1624         * basic-block.h (enum profile_status): Break out of struct
1625         control_flow_graph.
1626         * cgraph.h (struct inline_summary): Break out of struct
1627         cgraph_local_info.
1628         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
1629         of struct cgraph_order_sort.
1630         * combine.c (enum undo_kind): New enum, broken out of struct undo.
1631         * cse.c (struct branch_path): Break out of struct
1632         cse_basic_block_data.
1633         * except.h (enum eh_region_type): Break out of struct eh_region.
1634         * gcc.c (enum add_del): Break out of struct modify_target.
1635         * genrecog.c (enum decision_type): Break out of struct decision_test.
1636         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
1637         ggc_pch_data.
1638         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
1639         * regmove.c (enum match_use): New enum, broken out of struct match.
1640         * sched-int.h (enum post_call_group): New enum, broken out of
1641         struct deps.
1642         (struct deps_reg): Break out of struct deps.
1643         * target.h (struct asm_int_op): Break out of struct gcc_target.
1644         * tree-eh.c (struct goto_queue_node): Break out of struct
1645         leh_tf_state.
1646         * tree-inline.h (enum copy_body_cge_which): Break out of
1647         copy_body_data.
1648         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
1649
1650         * c-decl.c (in_struct, struct_types): New static variables.
1651         (pushtag): Add loc parameter.  Change all callers.
1652         (lookup_tag): Add ploc parameter.  Change all callers.
1653         (check_compound_literal_type): New function.
1654         (parser_xref_tag): Add loc parameter.  Change all callers.  If
1655         -Wc++-compat, warn about struct/union/enum types defined within a
1656         struct or union.
1657         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
1658         and loc parameters.  Change all callers.  Change error calls to
1659         error_at, using loc.  For a redefinition, if the location of the
1660         original definition is known, report it.  Set in_struct and
1661         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
1662         (finish_struct): Add new parameters enclosing_in_struct and
1663         enclosing_struct_types.  Change all callers.  Set
1664         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
1665         in the struct.  If in a struct, add this struct to struct_types.
1666         (start_enum): Add loc parameter.  Change all callers.  Use
1667         error_at for errors, using loc.  For a redefinition, if the
1668         location of the original definition is known, report it.  If in a
1669         struct, add this enum type to struct_types.  If -Wc++-compat warn
1670         if in sizeof, typeof, or alignof.
1671         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
1672         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
1673         (c_parser_enum_specifier): Get enum location for start_enum.
1674         (c_parser_struct_or_union_specifier): Get struct location for
1675         start_struct.  Save in_struct and struct_types status between
1676         start_struct and finish_struct.
1677         (c_parser_cast_expression): Get location of cast.
1678         (c_parser_alignof_expression): Get location of type.
1679         (c_parser_postfix_expression): Likewise.
1680         (c_parser_postfix_expression_after_paren_type): Add type_loc
1681         parameter.  Change all callers.  Call check_compound_literal_type.
1682         Use type_loc for error about variable size type.
1683         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
1684         of an enum constant from an enum type defined in a struct or union.
1685         (c_cast_expr): Add loc parameter.  Change all callers.  If
1686         -Wc++-compat, warn about defining a type in a cast.
1687         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
1688         (start_enum, start_struct, finish_struct): Update declarations.
1689         (parser_xref_tag, c_cast_expr): Update declarations.
1690         (check_compound_literal_type): Declare.
1691
1692 2009-05-11  Ben Elliston  <bje@au.ibm.com>
1693
1694         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
1695         for recent libcpp interface change.
1696         (rs6000_macro_to_expand): Likewise.
1697
1698 2009-05-10  Michael Matz  <matz@suse.de>
1699
1700         PR target/40031
1701         * config/arm/arm.c (require_pic_register): Emit on entry edge,
1702         not at entry of function.
1703
1704 2009-05-10  Richard Guenther  <rguenther@suse.de>
1705
1706         PR tree-optimization/40081
1707         Revert
1708         * tree-sra.c (instantiate_element): Instantiate scalar replacements
1709         using the main variant of the element type.  Do not fiddle with
1710         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
1711
1712         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
1713         structs with volatile fields.
1714
1715 2009-05-10  Jan Hubicka  <jh@suse.cz>
1716
1717         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
1718         (estimate_move_cost): Assert that it does not get called for
1719         VOID_TYPE_P.
1720         (estimate_num_insns): Skip VOID types in argument handling.
1721         (optimize_inline_calls): Delete unreachable blocks and verify that
1722         callgraph is valid.
1723
1724 2009-05-10  Jan Hubicka  <jh@suse.cz>
1725
1726         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
1727         * cgraph.c (cgraph_mark_address_taken_node): New function.
1728         (dump_cgraph_node): Dump new flag.
1729         * cgraph.h (struct cgraph_node): Add address_taken.
1730         (cgraph_mark_address_taken_node): New function.
1731         * ipa.c (cgraph_postorder): Prioritize functions with address taken
1732         since new direct calls can be born.
1733
1734 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1735
1736         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
1737         tok->val.node.node.
1738
1739 2009-05-10  Jan Hubicka  <jh@suse.cz>
1740
1741         PR middle-end/40084
1742         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
1743         argument; rewrite.
1744         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
1745         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
1746         * tree-inline.c (copy_bb): Set frequency correctly.
1747         (fold_marked_statements): Update call to
1748         cgraph_update_edges_for_call_stmt.
1749
1750 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1751
1752         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
1753         identifiers in diagnostics.
1754         * config/arm/arm.c (arm_handle_fndecl_attribute,
1755         arm_handle_isr_attribute): Likewise.
1756         * config/avr/avr.c (avr_handle_progmem_attribute,
1757         avr_handle_fndecl_attribute, avr_handle_fntype_attribute):
1758         Likewise.
1759         * config/bfin/bfin.c (handle_int_attribute,
1760         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
1761         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
1762         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
1763         Likewise.
1764         * config/darwin.c (darwin_handle_kext_attribute,
1765         darwin_handle_weak_import_attribute): Likewise.
1766         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
1767         h8300_handle_eightbit_data_attribute,
1768         h8300_handle_tiny_data_attribute): Likewise.
1769         * config/i386/i386.c (ix86_handle_cconv_attribute,
1770         ix86_handle_abi_attribute, ix86_handle_struct_attribute):
1771         Likewise.
1772         * config/i386/winnt.c (ix86_handle_shared_attribute,
1773         ix86_handle_selectany_attribute): Likewise.
1774         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
1775         * config/m32c/m32c.c (function_vector_handler): Likewise.
1776         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
1777         m68hc11_handle_fntype_attribute): Likewise.
1778         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
1779         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
1780         * config/mips/mips.c (mips_insert_attributes,
1781         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
1782         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
1783         rs6000_handle_struct_attribute): Likewise.
1784         * config/sh/sh.c (sh_insert_attributes,
1785         sh_handle_resbank_handler_attribute,
1786         sh_handle_interrupt_handler_attribute,
1787         sh2a_handle_function_vector_handler_attribute,
1788         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1789         Likewise.
1790         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
1791         * config/spu/spu.c (spu_handle_fndecl_attribute,
1792         spu_handle_vector_attribute): Likewise.
1793         * config/stormy16/stormy16.c
1794         (xstormy16_handle_interrupt_attribute): Likewise.
1795         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
1796         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
1797
1798 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1799
1800         * pretty-print.h (struct pretty_print_info): Add
1801         translate_identifiers.
1802         (pp_translate_identifiers): New.
1803         (pp_identifier): Only conditionally translate identifier to locale
1804         character set.
1805         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
1806         (pp_base_tree_identifier): Only conditionally translate identifier
1807         to locale character set.
1808         * c-pretty-print.c (M_): Define.
1809         (pp_c_type_specifier, pp_c_primary_expression): Mark English
1810         fragments for conditional translation with M_.
1811         * tree-pretty-print.c (maybe_init_pretty_print): Disable
1812         identifier translation.
1813
1814 2009-05-10  Richard Guenther  <rguenther@suse.de>
1815
1816         PR tree-optimization/40081
1817         * tree-sra.c (instantiate_element): Instantiate scalar replacements
1818         using the main variant of the element type.  Do not fiddle with
1819         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
1820
1821 2009-05-09  Jan Hubicka  <jh@suse.cz>
1822
1823         PR middle-end/40080
1824         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
1825         indirect calls; verify cgraph afterwards.
1826
1827 2009-05-09  Jan Hubicka  <jh@suse.cz>
1828
1829         PR bootstrap/40082
1830         * ipa.c (update_inlined_to_pointer): New function.
1831         (cgraph_remove_unreachable_nodes): Use it.
1832
1833 2009-05-09  Jan Hubicka  <jh@suse.cz>
1834
1835         * tree-eh.c (struct leh_state): Remove prev_try.
1836         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
1837         not track prev_try.
1838         * except.c (gen_eh_region_cleanup, duplicate_eh_regions, 
1839         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
1840         remove_eh_handler_and_replace, foreach_reachable_handler,
1841         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
1842         * except.h (struct eh_region): Remove eh_region_u_cleanup.
1843         (gen_eh_region_cleanup): Update prototype.
1844
1845 2009-05-09  Jan Hubicka  <jh@suse.cz>
1846
1847         PR middle-end/40043
1848         * except.c (copy_eh_region): Always set prev_try.
1849         (redirect_eh_edge_to_label): Find outer try.
1850         (foreach_reachable_handler): When looking for prev try
1851         handle case where previous try is not going to be taken.
1852
1853 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1854
1855         PR tree-optimization/40049
1856         * tree-vect-stmts.c (vectorizable_operation): If the machine has
1857         only vector/vector shifts, convert the type of the constant to the
1858         appropriate type to avoid building incorrect trees, which
1859         eventually have problems with garbage collection.
1860
1861 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1862
1863         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
1864         -1 for complex floating-point types if honoring signed zeros.
1865
1866 2009-05-08  Jan Hubicka  <jh@suse.cz>
1867
1868         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
1869         argument; handle correctly when profile is absent.
1870         (build_cgraph_edges): Update.
1871         (rebuild_cgraph_edges): Update.
1872         * cgraph.c: Do not include varray.h.
1873         (cgraph_set_call_stmt_including_clones): New function.
1874         (cgraph_create_edge_including_clones): Likewise
1875         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
1876         (cgraph_update_edges_for_call_stmt): Handle clones.
1877         (cgraph_remove_node): Handle clone tree.
1878         (cgraph_remove_node_and_inline_clones): New function.
1879         (dump_cgraph_node): Dump clone tree.
1880         (cgraph_clone_node): Handle clone tree.
1881         (clone_function_name): Bring here from tree-inline.c.
1882         (cgraph_create_virtual_clone): New function.
1883         * cgraph.h (ipa_replace_map): Move here from ipa.h.
1884         (cgraph_clone_info): New function.
1885         (strut cgraph_node): Add clone_info and new clone tree pointers.
1886         (cgraph_remove_node_and_inline_clones,
1887         cgraph_set_call_stmt_including_clones,
1888         cgraph_create_edge_including_clones,
1889         cgraph_create_virtual_clone): Declare.
1890         (cgraph_function_versioning): Use VEC argument.
1891         (compute_call_stmt_bb_frequency): Update prototype.
1892         (cgraph_materialize_all_clones): New function.
1893         * ipa-cp.c (ipcp_update_cloned_node): Remove.
1894         (ipcp_create_replace_map): Update to VECtors.
1895         (ipcp_update_callgraph): Use virtual clones.
1896         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
1897         (ipcp_update_profiling): Do not update local profiling.
1898         (ipcp_insert_stage): Use VECtors and virtual clones.
1899         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
1900         (clone_of_p): New function.
1901         (cgraph_preserve_function_body_p): Use clone tree.
1902         (cgraph_optimize): Materialize clones.
1903         (cgraph_function_versioning): Update for VECtors.
1904         (save_inline_function_body): Use clone tree.
1905         (cgraph_materialize_clone): New function.
1906         (cgraph_materialize_all_clones): Likewise.
1907         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
1908         * ipa.c: Include gimple.h.
1909         (cgraph_remove_unreachable_nodes): Use clone tree.
1910         * ipa-prop.c (ipa_note_param_call): Update call to
1911         compute_call_stmt_bb_frequencycall.
1912         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
1913         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
1914         (copy_bb): Handle updating of clone tree; add new edge when new call
1915         appears.
1916         (expand_call_inline): Be strict about every call having edge.
1917         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
1918         (delete_unreachable_blocks_update_callgraph): New function.
1919         (tree_function_versioning): Use VECtors; always remove unreachable
1920         blocks and fold conditionals.
1921         * tree-inline.h: Do not include varray.h.
1922         (tree_function_versioning): Remove.
1923         * Makefile.in (GTFILES): Remove tree-inline.c
1924         * passes.c (do_per_function): Do only functions having body.
1925         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
1926         tree.
1927
1928 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
1929             Andrew Morrow  <acm@google.com>
1930
1931         PR c/36892
1932         * c-common.c (c_common_attribute_table): Permit deprecated
1933         attribute to take an optional argument.
1934         (handle_deprecated_attribute): If the optional argument to
1935         __attribute__((deprecated)) is not a string ignore the attribute
1936         and emit a warning.
1937
1938         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
1939         * c-typeck.c (build_component_ref): Likewise.
1940         (build_external_ref): Likewise.
1941
1942         * toplev.c (warn_deprecated_use): Add an attribute argument.
1943         Emit the message associated with __attribute__((deprecated)).
1944
1945         * toplev.h (warn_deprecated_use): Updated.
1946
1947         * doc/extend.texi: Document new optional parameter to
1948         __attribute__((deprecated))
1949
1950 2009-05-08  Michael Eager <eager@eagercon.com>
1951
1952         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
1953         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
1954
1955 2009-05-08  Richard Guenther  <rguenther@suse.de>
1956
1957         PR tree-optimization/40062
1958         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
1959         Avoid exponential behavior.
1960
1961 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1962
1963         PR rtl-optimization/33928
1964         PR 26854
1965         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
1966         process_uses, build_single_def_use_links): New.
1967         (update_df): Update use_def_ref.
1968         (forward_propagate_into): Use get_def_for_use instead of use-def
1969         chains.
1970         (fwprop_init): Call build_single_def_use_links and let it initialize
1971         dataflow.
1972         (fwprop_done): Free use_def_ref.
1973         (fwprop_addr): Eliminate duplicate call to df_set_flags.
1974         * df-problems.c (df_rd_simulate_artificial_defs_at_top, 
1975         df_rd_simulate_one_insn): New.
1976         (df_rd_bb_local_compute_process_def): Update head comment.
1977         (df_chain_create_bb): Use the new RD simulation functions.
1978         * df.h (df_rd_simulate_artificial_defs_at_top, 
1979         df_rd_simulate_one_insn): New.
1980         * opts.c (decode_options): Enable fwprop at -O1.
1981         * doc/invoke.texi (-fforward-propagate): Document this.
1982
1983 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1984
1985         PR c/24581
1986         * c-typeck.c (build_binary_op): Handle arithmetic between one real
1987         and one complex operand specially.
1988         * tree-complex.c (some_nonzerop): Do not identify a real value as
1989         zero if flag_signed_zeros.
1990
1991 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1992
1993         PR rtl-optimization/33928
1994         * loop-invariant.c (record_use): Fix && vs. || mishap.
1995
1996 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1997
1998         PR rtl-optimization/33928
1999         * loop-invariant.c (struct use): Add addr_use_p.
2000         (struct def): Add n_addr_uses.
2001         (struct invariant): Add cheap_address.
2002         (create_new_invariant): Set cheap_address.
2003         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
2004         (record_uses): Pass df_ref to record_use.
2005         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
2006         used only as such.
2007
2008 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
2009
2010         * config/sh/sh.c: Do not include c-pragma.h.
2011
2012 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2013
2014         * config/spu/spu.c: Remove include of c-common.h.
2015
2016 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
2017
2018         PR c/39037
2019         * c-common.h (mark_valid_location_for_stdc_pragma,
2020         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
2021         clear_float_const_decimal64, float_const_decimal64_p): New.
2022         * c.opt (Wunsuffixed-float-constants): New.
2023         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
2024         unsuffixed float constant, handle new warning.
2025         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
2026         * c-decl.c (c_scope): New flag float_const_decimal64.
2027         (set_float_const_decimal64, clear_float_const_decimal64,
2028         float_const_decimal64_p): New.
2029         (push_scope): Set new flag.
2030         * c-parser.c (c_parser_translation_unit): Mark when it's valid
2031         to use STDC pragmas.
2032         (c_parser_external_declaration): Ditto.
2033         (c_parser_compound_statement_nostart): Ditto.
2034         * c-pragma.c (valid_location_for_stdc_pragma,
2035         mark_valid_location_for_stdc_pragma,
2036         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
2037         handle_pragma_float_const_decimal64): New.
2038         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
2039         * cp/semantics.c (valid_location_for_stdc_pragma_p,
2040         set_float_const_decimal64, clear_float_const_decimal64,
2041         float_const_decimal64_p): New dummy functions.
2042         * doc/extend.texi (Decimal Float): Remove statement that the
2043         pragma, and suffix for double constants, are not supported.
2044         * doc/invoke.texi (Warning Options): List new option.
2045         (-Wunsuffixed-float-constants): New.
2046
2047 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
2048
2049         * config/i386/i386.c: Do not include c-common.h.
2050
2051 2009-05-07  Mark Heffernan  <meheff@google.com>
2052
2053         * doc/invoke.texi (Debugging Options): Document change of debugging
2054         dump location.
2055         * opts.c (decode_options): Make dump_base_name relative to
2056         aux_base_name directory.
2057
2058 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
2059
2060         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
2061         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
2062
2063 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
2064
2065         * Makefile.in (install-plugin): Simplify a bit.
2066
2067 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
2068
2069         * Makefile.in (OBJS-common): Add regcprop.o.
2070         (regcprop.o): New.
2071         * timevar.def (TV_CPROP_REGISTERS): New.
2072         * regrename.c (regrename_optimize): Return 0.
2073         (rest_of_handle_regrename): Delete.
2074         (pass_rename_registers): Point to regrename_optimize.
2075         (struct value_data_entry, struct value_data, 
2076         kill_value_one_regno, kill_value_regno, kill_value,
2077         set_value_regno, init_value_data, kill_clobbered_value,
2078         kill_set_value, kill_autoinc_value, copy_value,
2079         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
2080         replace_oldest_value_reg, replace_oldest_value_addr,
2081         replace_oldest_value_mem, copyprop_hardreg_forward_1,
2082         debug_value_data, validate_value_data): Move...
2083         * regcprop.c: ... here.
2084         (rest_of_handle_cprop): Delete.
2085         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
2086
2087 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
2088
2089         PR middle-end/40057
2090         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
2091         GEN_INT for 1 << bitnum.
2092         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
2093         build_int_cst_type.
2094
2095 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
2096
2097         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
2098         Remove wrong description of "nand" operation.
2099
2100 2009-05-06  Richard Guenther  <rguenther@suse.de>
2101             Adam Nemet  <anemet@caviumnetworks.com>
2102
2103         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
2104         comment.  Add that if LHS is not a gimple register, then RHS1 has
2105         to be a single object (GIMPLE_SINGLE_RHS).
2106
2107 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
2108
2109         * expr.c (get_def_for_expr): Move it up in the file.
2110         (store_field): When expanding a bit-field store, look at the
2111         defining gimple stmt for the masking conversion.
2112
2113 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
2114
2115         PR middle-end/39986
2116         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2117         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
2118         32-bit memcpy into long.
2119
2120 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
2121
2122         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
2123         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
2124         new_reg_loc_descr.
2125         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
2126         instead of appending DW_OP_deref*.
2127
2128 2009-05-06  Michael Matz  <matz@suse.de>
2129
2130         PR middle-end/40021
2131         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
2132         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
2133
2134 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
2135
2136         * Makefile.in (install-plugin): Fix srcdir handling.
2137
2138 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
2139
2140         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
2141         when processing for not_regs_needed bitmap.
2142         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
2143         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
2144         handling it for rhs. 
2145
2146 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
2147
2148         * config/i386/i386.md (unnamed inc/dec peephole): Use
2149         optimize_insn_for_size_p instead of optimize_size.
2150         * config/i386/predicates.md (incdec_operand): Likewise.
2151         (aligned_operand): Likewise.
2152         * config/i386/sse.md (divv8sf3): Likewise.
2153         (sqrtv8sf2): Likewise.
2154
2155 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
2156
2157         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
2158
2159         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
2160
2161 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
2162
2163         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
2164         ssemodesuffixf2c with avxmodesuffixf2c.
2165
2166 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
2167
2168         PR c/40032
2169         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
2170
2171 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
2172
2173         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
2174         (struct tree_base): Adjust spacing for 8 bit boundaries.
2175         (struct tree_decl_common): Add decl_by_reference_flag bit.
2176         (DECL_BY_REFERENCE): Adjust.
2177         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
2178         print DECL_BY_REFERENCE bit.
2179         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
2180         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
2181         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
2182         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
2183         unconditionally.
2184
2185         PR middle-end/39666
2186         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
2187         range of the type, but default label is missing, add it with one
2188         of the existing labels instead of adding a new label for it.
2189
2190 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
2191
2192         * dwarf.h: Remove.
2193
2194 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
2195
2196         * Makefile.in (enable_plugin, plugin_includedir): New.
2197         (install): Depend on install-plugin.
2198         (PLUGIN_HEADERS): New.
2199         (install-plugin): New.
2200         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
2201
2202 2009-05-05  Richard Guenther  <rguenther@suse.de>
2203
2204         PR tree-optimization/40022
2205         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
2206         the only vuse.
2207         (phivn_valid_p): Fix tuplification error, simplify.
2208         (phiprop_insert_phi): Add dumps.
2209         (propagate_with_phi): Simplify.
2210
2211 2009-05-05  Richard Guenther  <rguenther@suse.de>
2212
2213         PR middle-end/40023
2214         * builtins.c (gimplify_va_arg_expr): Properly build the address.
2215
2216 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
2217
2218         * tree.h (strip_float_extensions): Remove duplicate declaration.
2219         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
2220         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
2221         block_ultimate_origin): Rearrange the declarations line to match the
2222         comment that indicates the .c file which the functions are defined.
2223         (dwarf2out_*, set_decl_rtl): Add comment.
2224         (get_base_address): Adjust comment.
2225         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
2226         declarations line and add comment.
2227         (is_builtin_name): Add blank after function name, for clarity.
2228
2229 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
2230
2231         * attribs.c (decl_attributes): Use %qE for identifiers in
2232         diagnostics.
2233         * cgraphunit.c (verify_cgraph_node): Translate function names to
2234         locale character set in diagnostics.
2235         * coverage.c (get_coverage_counts): Use %qE for identifiers in
2236         diagnostics.
2237         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
2238         Document that functions are named in UTF-8.
2239         * expr.c (expand_expr_real_1): Translate function names to locale
2240         character set in diagnostics.
2241         * gimplify.c (omp_notice_variable, omp_is_private,
2242         gimplify_scan_omp_clauses): Use %qE for identifiers in
2243         diagnostics.
2244         * langhooks.c (lhd_print_error_function): Translate function names
2245         to locale character set.
2246         * langhooks.h (decl_printable_name): Document that return value is
2247         in internal character set.
2248         * stmt.c: Include pretty-print.h
2249         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
2250         diagnostics.
2251         (resolve_operand_name_1): Translate named operand name to locale
2252         character set.
2253         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
2254         diagnostics.
2255         * toplev.c (announce_function): Translate function names to locale
2256         character set.
2257         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
2258         (default_tree_printer): Use pp_identifier or translate identifiers
2259         to locale character set.  Mark "<anonymous>" for translation.
2260         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
2261         for identifiers in diagnostics.
2262         * tree.c (handle_dll_attribute): Use %qE for identifiers in
2263         diagnostics.
2264         * varasm.c (output_constructor): Use %qE for identifiers in
2265         diagnostics.
2266
2267 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
2268
2269         * configure.ac: use ` ` instead of $()
2270         * configure: Regenerate.
2271
2272 2009-05-05  Ben Elliston  <bje@au.ibm.com>
2273
2274         * config/pa/linux-atomic.c: Eliminate conditional include of
2275         errno.h on non-LP64 systems to simplify build requirements.
2276
2277 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
2278
2279         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
2280         diagnostics.
2281         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
2282         and pass value to identifier_to_locale.
2283         (warn_variable_length_array): Make name a tree.
2284         (grokdeclarator): Separate diagnostic texts for named and unnamed
2285         declarators.  Use %qE for named declarators.
2286         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
2287         diagnostics.
2288         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
2289         identifiers in diagnostics.
2290         * c-typeck.c (push_member_name, start_init): Pass identifiers to
2291         identifier_to_locale.  Mark "anonymous" strings for translation.
2292
2293 2009-05-04  Michael Eager <eager@eagercon.com>
2294
2295         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
2296         address for DImode/DFmode only if double-precision FP regs.
2297
2298 2009-05-04  Michael Eager <eager@eagercon.com>
2299
2300         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
2301         TARGET_SINGLE_FLOAT check.
2302
2303 2009-05-04  Michael Eager <eager@eagercon.com>
2304
2305         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
2306
2307 2009-05-04  Michael Eager <eager@eagercon.com>
2308
2309         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
2310         * config/rs6000/t-xilinx: New
2311
2312 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
2313
2314         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
2315         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
2316         * gcc/explow.c (memory_address): Use target hook.
2317         * gcc/targhooks.c (default_legitimize_address): New.
2318         * gcc/targhooks.h (default_legitimize_address): New.
2319         * gcc/target.h (legitimize_address): New.
2320         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
2321         (TARGET_INITIALIZER): Include it.
2322         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
2323
2324         * config/bfin/bfin-protos.h (legitimize_address): Remove.
2325         * config/bfin/bfin.c (legitimize_address): Remove.
2326         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
2327         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
2328         Remove.
2329         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
2330         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
2331
2332         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
2333         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
2334         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
2335         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
2336         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
2337         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
2338         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
2339         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
2340         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
2341         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
2342         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
2343         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
2344         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
2345         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
2346         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
2347         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
2348         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
2349         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
2350         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
2351         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
2352         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
2353         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
2354         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
2355
2356         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
2357         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
2358         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
2359         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
2360         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
2361         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
2362         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
2363         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
2364         (thumb_legitimize_address): Delete.
2365         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
2366         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
2367         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
2368         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
2369         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
2370         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
2371         Delete.
2372         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
2373         Delete.
2374
2375         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
2376         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
2377         * config/m32r/m32r.c (m32r_legitimize_address): New.
2378         * config/m68k/m68k.c (m68k_legitimize_address): New.
2379         * config/score/score.c (score_legitimize_address): Standardize.
2380         * config/score/score3.c (score3_legitimize_address): Standardize.
2381         * config/score/score3.h (score3_legitimize_address): Adjust.
2382         * config/score/score7.c (score7_legitimize_address): Standardize.
2383         * config/score/score7.h (score7_legitimize_address): Adjust.
2384         * config/sh/sh.c (sh_legitimize_address): New.
2385         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
2386
2387         * gcc/config/s390/s390.c (legitimize_address): Rename to...
2388         (s390_legitimize_address): ... this.
2389         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
2390         (sparc_legitimize_address): ... this.
2391         * gcc/config/i386/i386.c (legitimize_address): Rename to...
2392         (ix86_legitimize_address): ... this.
2393         * gcc/config/avr/avr.c (legitimize_address): Rename to...
2394         (avr_legitimize_address): ... this.
2395         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
2396         (mn10300_legitimize_address): ... this.
2397         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
2398         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
2399         (alpha_expand_mov): Adjust call.
2400
2401         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
2402         * config/spu/spu.c (spu_legitimize_address): Likewise.
2403         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
2404         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
2405
2406 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
2407
2408         * intl.c (locale_encoding, locale_utf8): New.
2409         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
2410         * intl.h (locale_encoding, locale_utf8): Declare.
2411         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
2412         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
2413         New.
2414         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
2415         argument.
2416         (pp_tree_identifier): Define to call pp_base_tree_identifier.
2417         (pp_base_tree_identifier): Declare as function.
2418         (identifier_to_locale): Declare.
2419         * Makefile.in (pretty-print.o): Update dependencies.
2420         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
2421
2422 2009-05-04  Richard Guenther  <rguenther@suse.de>
2423
2424         PR middle-end/40015
2425         * builtins.c (fold_builtin_memory_op): Do not decay to element
2426         type if the size matches the whole array.
2427
2428 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
2429
2430         * expmed.c (synth_mult): When trying out a shift, pass the result
2431         of a signed shift.
2432
2433 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
2434
2435         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
2436         (shiftsub1_cost): New.
2437         (init_expmed): Compute shiftsub1_cost.
2438         (synth_mult): Optimize multiplications by constants of the form
2439         -(2^^m-1) for some constant positive integer m.
2440
2441 2009-05-03  Richard Guenther  <rguenther@suse.de>
2442
2443         PR c/39983
2444         * c-typeck.c (array_to_pointer_conversion): Do not built
2445         ADDR_EXPRs of arrays of pointer-to-element type.
2446         * c-gimplify.c (c_gimplify_expr): Revert change fixing
2447         up wrong ADDR_EXPRs after-the-fact.
2448         * c-common.c (strict_aliasing_warning): Strip pointer
2449         conversions for obtaining the original type.
2450         * builtins.c (fold_builtin_memset): Handle array types.
2451         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
2452         and array types
2453
2454 2009-05-03  Richard Guenther  <rguenther@suse.de>
2455
2456         PR middle-end/23329
2457         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
2458         Do not lose casts from array types with unknown extent to array
2459         types with known extent.
2460         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
2461         alias set compatibility.
2462
2463 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2464
2465         * flags.h (extra_warnings): Delete.
2466         * toplev.c (process_options): Handle Wuninitialized here.
2467         * opts.c (extra_warnings): Delete.
2468         (set_Wextra): Delete.
2469         (common_handle_option): -Wextra can be handled automatically.
2470         * c-opts.c (c_common_handle_option): Delete obsolete code.
2471         (c_common_post_options): Simplify comment.
2472         * common.opt (W): Add Var.
2473         (Wextra): Add Var.
2474         (Wuninitialized): Initialize to -1.
2475
2476 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
2477             Richard Guenther  <rguenther@suse.de>
2478
2479         * expr.c (get_def_for_expr): New function.
2480         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
2481         SSA rather than trees.
2482         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
2483         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
2484         
2485 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
2486
2487         * c-common.c (reswords): Add _Imaginary.
2488         * c-common.c (enum rid): Add RID_IMAGINARY.
2489
2490 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
2491
2492         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
2493         Patch by Richard Guenther.
2494
2495 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
2496
2497         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
2498         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
2499         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
2500         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
2501         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
2502         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
2503         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
2504         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
2505         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
2506         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
2507         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
2508         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
2509         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
2510         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
2511         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
2512         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
2513         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
2514         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
2515
2516 2009-05-02  Richard Guenther  <rguenther@suse.de>
2517
2518         PR tree-optimization/39940
2519         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
2520         doing so.
2521
2522 2009-05-02  Richard Guenther  <rguenther@suse.de>
2523
2524         PR middle-end/40001
2525         * tree-ssa.c (execute_update_addresses_taken): Properly check
2526         if we can mark a variable DECL_GIMPLE_REG_P.
2527         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
2528         back to the end of the function.
2529         (is_gimple_reg_type): Remove complex type special casing.
2530         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
2531         if not optimizing.
2532
2533 2009-05-02  Ben Elliston  <bje@au.ibm.com>
2534
2535         * doc/collect2.texi (Collect2): Document search path behaviour
2536         when configured with --with-ld.
2537
2538 2009-05-02  Jan Hubicka  <jh@suse.cz>
2539
2540         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
2541         parameter; update callers.
2542         (coalesce_cost_edge): EH edges are costier because they needs
2543         splitting even if not critical and even more costier when there are
2544         multiple EH predecestors.
2545
2546 2009-05-02  Jan Hubicka  <jh@suse.cz>
2547
2548         * except.c (remove_eh_handler_and_replace): Handle updating after
2549         removing TRY blocks.
2550
2551 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
2552
2553         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
2554
2555 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
2556
2557         * varasm.c: Do not include c-pragma.h.
2558         * attribs.c: Do not incude c-common.h.
2559
2560 2009-05-01  Michael Matz  <matz@suse.de>
2561
2562         * calls.c (initialize_argument_information): Handle SSA names like
2563         decls with a non MEM_P DECL_RTL.
2564
2565 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
2566
2567         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
2568         * ipa-utils.c: Likewise.
2569         * ipa-type-escape.c: Likewise.
2570         * cgraphunit.c Do not include c-common.h.
2571         * ipa-pure-const.c: Likewise.
2572         * tree-if-conv.c: Likewise.
2573         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
2574         * ipa-struct-reorg.c: Likewise.
2575         * tree-nomudflap.c: Likewise.
2576         * tree-ssa-structalias.c: Likewise.
2577
2578 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
2579
2580         * store-motion.c: Many cleanups to make this pass a first-class
2581         citizen instead of an appendix to gcse load motion.  Add TODO list
2582         to make this pass faster/cleaner/better.
2583
2584         (struct ls_expr): Post gcse.c-split cleanups.
2585         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
2586         "stores" field to "avail_stores".
2587         (pre_ldst_mems): Rename to store_motion_mems.
2588         (pre_ldst_table): Rename to store_motion_mems_table.
2589         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
2590         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
2591         (ldst_entry): Rename to st_expr_entry, update users.
2592         (free_ldst_entry): Rename to free_st_expr_entry, update users.
2593         (free_ldst_mems): Rename to free_store_motion_mems, update users.
2594         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
2595         update caller.
2596         (first_ls_expr): Rename to first_st_expr, update users.
2597         (next_ls_expr): Rename to next_st_expr, update users.
2598         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
2599         fields properly for store motion instead of names inherited from load
2600         motion in gcse.c.
2601         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
2602         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
2603         are done with it.
2604
2605         (ae_kill): Rename to st_kill, update users.
2606         (ae_gen): Rename to st_avloc, update users.
2607         (transp): Rename to st_transp, update users.
2608         (pre_insert_map): Rename to st_insert_map, update users.
2609         (pre_delete_map): Rename to st_delete_map, update users.
2610         (insert_store, build_store_vectors, free_store_memory,
2611         one_store_motion_pass): Update for abovementioned changes.
2612
2613         (gcse_subst_count, gcse_create_count): Remove.
2614         (one_store_motion_pass): New statistics counters "n_stores_deleted"
2615         and "n_stores_created", local variables.
2616
2617         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
2618         use for_each_rtx.
2619
2620         (regvec, compute_store_table_current_insn): Remove.
2621         (reg_set_info, reg_clear_last_set): Remove.
2622         (compute_store_table): Use DF caches instead of local dataflow
2623         solvers.
2624
2625 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
2626
2627         * c-objc-common.c (c_tree_printer): Print identifiers with
2628         pp_identifier, not pp_string.  Mark "({anonymous})" for
2629         translation.
2630         * c-pretty-print.c (pp_c_ws_string): New.
2631         (pp_c_cv_qualifier, pp_c_type_specifier,
2632         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
2633         pp_c_storage_class_specifier, pp_c_function_specifier,
2634         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
2635         pp_c_primary_expression, pp_c_postfix_expression,
2636         pp_c_unary_expression, pp_c_shift_expression,
2637         pp_c_relational_expression, pp_c_equality_expression,
2638         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
2639         use pp_string and pp_c_ws_string in place of pp_identifier and
2640         pp_c_identifier for non-identifiers.  Mark English strings for
2641         translation.
2642         * c-pretty-print.h (pp_c_ws_string): Declare.
2643
2644 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
2645             Roland McGrath <roland@redhat.com>
2646
2647         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
2648         (ENABLE_LD_BUILDID): New configuration option.
2649         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
2650         (LINK_BUILDID_SPEC): New macro.
2651         (init_spec): If defined, prepend it between LINK_EH_SPEC and
2652         link_spec.
2653         * doc/install.texi: Document --enable-linker-build-id option.
2654         * configure: Rebuild.
2655         * config.in: Rebuild.
2656
2657 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
2658
2659         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
2660         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
2661         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
2662         MIPS_GP_SAVE_AREA_SIZE.
2663         * config/mips/mips.c (struct mips_frame_info): Update comment
2664         before arg_pointer_offset and hard_frame_pointer_offset.
2665         (mips_compute_frame_info): Update diagram before function: to
2666         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
2667         indicate the position of frame_pointer_rtx with -fstack-protector and
2668         to show args_size.  Don't allocate cprestore area for leaf functions
2669         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
2670         cprestore_size.
2671         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
2672
2673 2009-04-30  Michael Matz  <matz@suse.de>
2674
2675         PR tree-optimization/39955
2676         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
2677
2678 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
2679
2680         * ira.c (setup_cover_and_important_classes):  Use safe macro
2681         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
2682         directly.
2683         * genpreds.c (write_tm_preds_h):  Output suitable definition of
2684         REG_CLASS_FOR_CONSTRAINT.
2685
2686 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
2687
2688         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
2689         instead of an int.
2690         * bitmap.c (bitmap_descriptor): Likewise.
2691         * ggc-common.c (loc_descriptor): Likewise.
2692         * varray.c (varray_descriptor): Likewise.
2693         * vec.c (vec_descriptor): Likewise.
2694
2695 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
2696
2697         * Makefile.in (dce.o): Add $(EXCEPT_H).
2698         * dce.c: Include except.h and delete redundant vector definitions.
2699         (deletable_insn_p): Return false for non-call insns that can throw
2700         if DF is running.
2701
2702 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
2703
2704         * gcse.c (ae_gen): Remove.
2705         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
2706         and make non-static function to make it available in store-motion.c.
2707         Update call sites with search-and-replace.
2708         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
2709         extract_mentioned_regs, extract_mentioned_regs_helper,
2710         find_moveable_store, compute_store_table, load_kills_store, find_loads,
2711         store_killed_in_insn, store_killed_after, store_killed_before,
2712         build_store_vectors, insert_insn_start_basic_block, insert-store,
2713         remove_reachable_equiv_notes, replace_store_insn, delete_store,
2714         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
2715         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
2716         * store-motion.c: ...new file.  Also copy data structures from gcse.c
2717         and clean up to remove parts not used by store motion.
2718         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
2719         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
2720
2721 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2722
2723         PR target/38571
2724         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
2725         when optimizing for size.
2726
2727 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
2728
2729         * gcse.c (gcse_constant_p): Fix typo in last change.
2730
2731 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
2732
2733         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
2734
2735 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
2736
2737         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
2738
2739 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
2740
2741         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
2742         CONST_HIGH_PART result.
2743
2744 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
2745
2746         * config/avr/avr.c (initial_elimination_offset): Rename to
2747         avr_initial_elimination_offset.
2748         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
2749         change return type to bool.
2750         (avr_can_eliminate): New function.
2751         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
2752         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
2753         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
2754         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
2755         avr_initial_elimination_offset.
2756         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
2757         (avr_initial_elimination_offset): Define.
2758
2759 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
2760             Steven Bosscher  <steven@gcc.gnu.org>
2761
2762         PR rtl-optimization/39938
2763         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
2764         * cfgrtl.c: Include insn-attr.h.
2765         (rest_of_pass_free_cfg): New function.
2766         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
2767         * resource.c (init_resource_info): Remove call to df_analyze.
2768
2769 2009-04-29  Richard Guenther  <rguenther@suse.de>
2770
2771         PR target/39943
2772         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
2773         allow conversion to signed integers.
2774
2775 2009-04-29  Richard Guenther  <rguenther@suse.de>
2776
2777         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
2778         shifts of floating point vectors if the shift amount is
2779         a constant multiple of the element size.
2780
2781 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2782             Michael Matz  <matz@suse.de>
2783
2784         PR middle-end/39927
2785         PR bootstrap/39929
2786         * tree-outof-ssa.c (emit_partition_copy): New function.
2787         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
2788         insert_part_to_rtx_on_edge): Perform the partition base var
2789         copy using emit_partition_copy.
2790         (insert_value_copy_on_edge): Convert constants to the right mode.
2791         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
2792         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
2793
2794 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2795
2796         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
2797         scan backwards to try to find a constant to initialize it.
2798
2799         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
2800         insn before the loop_end instruction, don't look past labels.
2801
2802 2009-04-29  Richard Guenther  <rguenther@suse.de>
2803
2804         PR middle-end/39937
2805         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2806         loose type conversions.
2807         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
2808         stmts only if there are no uses of its definition.
2809
2810 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2811
2812         * config/bfin/bfin.h (splitting_loops): Declare.
2813         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
2814         Reorder bit definitions to be ascending.
2815         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
2816         * config/bfin/bfin.c (splitting_loops): New variable.
2817         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
2818         (struct loop_info): Remove members INIT and LOOP_INIT.
2819         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
2820         the LSETUP sequence.  Allow LC to be loaded from any register, but
2821         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
2822         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
2823         set to 1.
2824         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
2825         of reload_completed.
2826
2827         From Jie Zhang:
2828         * config/bfin/bfin.md (movsi_insn): Refine constraints.
2829
2830 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
2831
2832         * Makefile.in (PLUGIN_VERSION_H): New.
2833         (OBJS-common): Remove plugin-version.o.
2834         (plugin.o): Depend on (PLUGIN_VERSION_H).
2835         (plugin-version.o): Remove.
2836         * configure: Regenerate
2837         * configure.ac: Create plugin-version.h.
2838         * gcc-plugin.h (plugin_gcc_version): Remove.
2839         (plugin_default_version_check): Change signature.
2840         * plugin-version.c: Remove.
2841         * plugin.c: Include plugin-version.h.
2842         (str_plugin_gcc_version_name): Remove.
2843         (try_init_one_plugin): Pass gcc version to plugin_init.
2844         (plugin_default_version_check): Both gcc and plugin versions are now
2845         arguments.
2846
2847 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2848         
2849         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
2850         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
2851         Remove special case testing for last insn of inner loops. Don't fail
2852         if the loop ends with a jump, emit an extra nop instead.
2853
2854         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
2855         DREGS rather than comparing directly.  Remove code that tries to
2856         account for latencies.
2857
2858 2009-04-29  Richard Guenther  <rguenther@suse.de>
2859
2860         PR tree-optimization/39941
2861         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
2862         eliminating an indirect call.
2863
2864 2009-04-29  Richard Guenther  <rguenther@suse.de>
2865
2866         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
2867         parameter.  Allow invariants as base if !require_lvalue.
2868         (verify_gimple_assign_single): Adjust.
2869
2870 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2871
2872         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
2873         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
2874         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
2875         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
2876         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
2877         a VEC_SELECT.
2878         * config/bfin/bfin.c (bfin_expand_builtin,
2879         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
2880
2881 2009-04-28  Richard Guenther  <rguenther@suse.de>
2882
2883         * tree-vect-loop.c (get_initial_def_for_induction): Use
2884         correct types for pointer increment.
2885
2886 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2887
2888         * toplev.c (print_version): Update GMP version string calculation.
2889
2890 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2891
2892         PR rtl-optimization/39938
2893         * resource.c (init_resource_info): Add call to df_analyze.
2894
2895 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2896
2897         * config/alpha/alpha.md (usegp): Cast the result of
2898         alpha_find_lo_sum_using_gp to enum attr_usegp.
2899         * config/alpha/alpha.c (override_options): Remove end-of-structure
2900         marker element from cpu_table.  Use array size of cpu_table to handle
2901         -mcpu and -mtune options.
2902         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
2903
2904 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
2905
2906         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
2907         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
2908         tune_32 and tune_64.
2909         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
2910         support on PowerPC.
2911         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
2912         * config/rs6000/option-defaults.h: ... here.  New file.
2913         (OPT_64, OPT_32): Define.
2914         (MASK_64BIT): Define to 0 if not already defined.
2915         (OPT_ARCH64, OPT_ARCH32): Define.
2916         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
2917         and tune_64.
2918
2919 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2920
2921         * config/arm/arm.c (arm_override_options): Emit error on using
2922         fpa with AAPCS.
2923
2924 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2925
2926         PR rtl-optimization/39914
2927         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2928         registers for allocnos created from user-defined variables only
2929         when not optimizing.
2930
2931 2009-04-28  Richard Guenther  <rguenther@suse.de>
2932
2933         PR middle-end/39937
2934         * fold-const.c (fold_binary): Use distribute_real_division only
2935         on float types.
2936
2937 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
2938
2939         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
2940         add hpux-stdint.h to tm_file.
2941         (hppa[12]*-*-hpux11*): Ditto.
2942         (ia64*-*-hpux*): Ditto.
2943         * config/hpux-stdint.h: New.
2944         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
2945         __STDC_EXT__ for all compiles.
2946         * config/pa/pa-hpux.h: Ditto.
2947         * config/pa/pa-hpux10.h: Ditto.
2948         * config/pa/pa-hpux11.h: Ditto.
2949
2950 2009-04-28  Catherine Moore  <clm@codesourcery.com>
2951
2952         * debug.h (set_name): Add comment.
2953
2954 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
2955
2956         PR target/39929
2957         * config/darwin.c (machopic_gen_offset): Check
2958         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
2959         * config/arm/arm.c (require_pic_register): Likewise.
2960
2961 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
2962
2963         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
2964         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
2965         m32c_promote_prototypes): Delete.
2966
2967 2009-04-28  Michael Matz  <matz@suse.de>
2968
2969         PR middle-end/39922
2970         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
2971         constants.
2972
2973 2009-04-28  Richard Guenther  <rguenther@suse.de>
2974
2975         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
2976
2977 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2978
2979         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
2980         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
2981         * config/arm/arm-tune.md: Regenerate.
2982
2983 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
2984
2985         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
2986         block if there are complex incoming edges.
2987         (sel_merge_blocks): Remove useless assert.
2988         (sel_redirect_edge_and_branch): Check that edge was redirected.
2989         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
2990         (sel_find_rgns): Delete declaration.
2991         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
2992         the region when it is not a preheader.
2993
2994 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2995
2996         PR c/39323
2997         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
2998
2999 2009-04-28  Richard Guenther  <rguenther@suse.de>
3000
3001         * tree.h (SSA_NAME_VALUE): Remove.
3002         (struct tree_ssa_name): Remove value_handle member.
3003         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
3004         array for jump threading.
3005         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
3006         SSA_NAME_VALUEs.
3007         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
3008         * tree-flow.h (threadedge_initialize_values): Declare.
3009         (threadedge_finalize_values): Likewise.
3010         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
3011         (SSA_NAME_VALUE): Define.
3012         (threadedge_initialize_values): New function.
3013         (threadedge_finalize_values): Likewise.
3014         * tree-ssa-dom.c (ssa_name_values): New global variable.
3015         (SSA_NAME_VALUE): Define.
3016         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
3017
3018 2009-04-28  Ira Rosen  <irar@il.ibm.com>
3019
3020         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
3021         Use REPORT_VECTORIZED_LOCATIONS instead 
3022         REPORT_VECTORIZED_LOOPS.
3023         * tree-vectorizer.c (vect_verbosity_level): Make static.
3024         (vect_loop_location): Rename to vect_location.
3025         (vect_set_verbosity_level): Update comment.
3026         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
3027         and vect_location.
3028         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
3029         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
3030         instead REPORT_UNVECTORIZED_LOOPS.
3031         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
3032         and vect_loop_def to vect_external_def and vect_internal_def.
3033         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
3034         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
3035         REPORT_UNVECTORIZED_LOCATIONS.
3036         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
3037         and vect_used_in_loop and to vect_unused_in_scope and 
3038         vect_used_in_scope.
3039         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
3040         (vect_verbosity_level): Remove declaration.
3041         (vect_analyze_operations): Likewise.
3042         (vect_analyze_stmt): Declare.
3043         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
3044         REPORT_UNVECTORIZED_LOCATIONS.
3045         (vect_get_loop_niters): Fix indentation.
3046         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
3047         (vect_analyze_loop_operations): New function.
3048         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
3049         vect_analyze_operations.
3050         (vect_is_simple_reduction): Use new names.
3051         (vectorizable_live_operation, vect_transform_loop): Likewise.
3052         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
3053         to specify whether the data references can be a part of interleaving
3054         chain.
3055         (vect_analyze_data_ref_dependence): Use new names.
3056         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
3057         (vect_create_addr_base_for_vector_ref): Remove redundant code.
3058         * tree-vect-patterns.c (widened_name_p): Use new names.
3059         (vect_recog_dot_prod_pattern): Likewise.
3060         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
3061         (process_use, vect_mark_stmts_to_be_vectorized, 
3062         vect_model_simple_cost, vect_model_store_cost,
3063         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
3064         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3065         vectorizable_operation, vectorizable_type_demotion,
3066         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
3067         vectorizable_condition): Likewise.
3068         (vect_analyze_operations): Split into vect_analyze_loop_operations
3069         and ...
3070         (vect_analyze_stmt): ... new function.
3071         (new_stmt_vec_info): Use new names.
3072         (vect_is_simple_use): Use new names and fix comment.
3073         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
3074         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
3075
3076 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
3077
3078         PR target/39911
3079         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
3080         and integer modes for x87 operands.  Do not ICE for unsupported size,
3081         generate error instead.  Generate error for unsupported operand types.
3082         ['z']: Do not handle HImode memory operands specially.  Warning
3083         for floating-point operands.  Fallthru to 'Z' for unsupported operand
3084         types.  Do not ICE for unsupported size, generate error instead.
3085         (output_387_binary_op): Use %Z to output operands.
3086         (output_fp_compare): Ditto.
3087         (output_387_reg_move): Ditto.
3088
3089 2009-04-28  Ben Elliston  <bje@au.ibm.com>
3090
3091         PR c++/35652
3092         Revert:
3093
3094         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3095
3096         * builtins.c (c_strlen): Do not warn here.
3097         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
3098         * c-common.c (pointer_int_sum): Take an explicit location.
3099         Warn about offsets out of bounds.
3100         * c-common.h (pointer_int_sum): Adjust declaration.
3101
3102 2009-04-27  Ian Lance Taylor  <iant@google.com>
3103
3104         * collect2.c (is_ctor_dtor): Change type of ret field in struct
3105         names to symkind.
3106         * dce.c (run_fast_df_dce): Change type of old_flags to int.
3107         * df-core.c (df_set_flags): Change return type to int.  Change
3108         type of old_flags to int.
3109         (df_clear_flags): Likewise.
3110         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
3111         (df_get_conditional_uses): Likewise.
3112         * df.h (df_set_flags, df_clear_flags): Update declarations.
3113         * dwarf2out.c (struct indirect_string_node): Change type of form
3114         field to enum dwarf_form.
3115         (AT_string_form): Change return type to enum dwarf_form.
3116         * fixed-value.c (fixed_compare): Add cast to enum type.
3117         * fwprop.c (update_df): Change 0 to VOIDmode.
3118         * gensupport.c: Change 0 to UNKNOWN.
3119         * gimple.h (gimple_cond_code): Add cast to enum type.
3120         * haifa-sched.c (reemit_notes): Add cast to enum type.
3121         * hooks.c (hook_int_void_no_regs): Remove function.
3122         * hooks.h (hook_int_void_no_regs): Remove declaration.
3123         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
3124         * predict.c (combine_predictions_for_insn): Add casts to enum type.
3125         * real.c (real_arithmetic): Add cast to enum type.
3126         (real_compare): Likewise.
3127         * target.h (struct gcc_target): Change return type of
3128         branch_target_register_class to enum reg_class.
3129         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
3130         default_branch_target_register_class.
3131         * targhooks.c (default_branch_target_register_class): New function.
3132         * targhooks.h (default_branch_target_register_class): Declare.
3133         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
3134         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
3135         cast to int.
3136         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
3137         ERROR_MARK.
3138         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
3139         vect_uninitialized_def.  Change 0 to ERROR_MARK.
3140         * tree-vect-stmts.c (supportable_widening_operation): Don't
3141         initialize icode1 and icode2.
3142         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
3143         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
3144         and to STD_C89.
3145         (cmn_err_flag_specs): Change 0 to STD_C89.
3146         (cmn_err_char_table): Likewise.
3147         * config/arm/arm.c (get_arm_condition_code): Change type of code
3148         to enum arm_cond_code.
3149         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
3150         (IWMMXT_BUILTIN2): Likewise.
3151         (neon_builtin_type_bits): Don't define typedef.
3152         (neon_builtin_datum): Change type of bits field to int.
3153         (arm_expand_neon_args): Add cast to enum type.
3154         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
3155         TLS_MODEL_NONE.
3156         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
3157         casts to enum type.
3158         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
3159         MIPS_FP_COND_f.
3160         * config/mips/mips.md (jal_macro): Return enum constant.
3161         (single_insn): Likewise.
3162         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
3163         CODE_FOR_nothing.
3164         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3165         casts to enum type.
3166         * config/s390/s390.c (s390_tune_flags): Change type to int.
3167         (s390_arch_flags): Likewise.
3168         (s390_handle_arch_option): Change flags field of struct pta to int.
3169         * config/s390/s390.h (s390_tune_flags): Update declaration.
3170         (s390_arch_flags): Likewise.
3171         * config/sh/sh.c (prepare_move_operands): Compare
3172         tls_symbolic_operand result with enum constant.
3173         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
3174         (sh_expand_prologue): Add cast to enum type.
3175         (sh_expand_epilogue): Likewise.
3176         (tls_symbolic_operand): Change return type to enum tls_model.
3177         (fpscr_set_from_mem): Add cast to enum type.
3178         (legitimize_pic_address): Compare tls_symbolic_operand result with
3179         enum constant.
3180         (sh_target_reg_class): Change return type to enum reg_class.
3181         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
3182         PROCESSOR_xxx.
3183         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
3184         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
3185         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
3186         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
3187         (delayed_branch, tls_call_delay): Likewise.
3188         (eligible_for_sibcall_delay): Likewise.
3189         (eligible_for_return_delay): Likewise. 
3190         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
3191         (spu_expand_builtin_1): Likewise.
3192
3193         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
3194         for all types of conversions.
3195         (output_init_element): Issue -Wc++-compat warning if needed when
3196         initializing a bitfield with enum type.
3197         * c-parser.c (c_parser_expression): Set original_type to
3198         original_type of right hand operand of comman operator.
3199
3200 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3201
3202         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
3203         grammar nits.
3204         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
3205         * doc/cpp.texi (Standard Predefined Macros)
3206         (Implementation-defined behavior): Likewise.
3207         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
3208         * doc/gimple.texi (GIMPLE Exception Handling)
3209         (@code{GIMPLE_ASSIGN}): Likewise.
3210         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
3211         * doc/invoke.texi (Warning Options, Optimize Options)
3212         (AVR Options, Darwin Options): Likewise.
3213         (Optimize Options): Reformulate -fwhole-program description.
3214         * doc/loop.texi (Lambda): Likewise.
3215         * doc/md.texi (Output Template, Define Constraints)
3216         (Standard Names, Insn Splitting): Likewise.
3217         * doc/options.texi (Option properties): Likewise.
3218         * doc/passes.texi (Tree-SSA passes): Likewise.
3219         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
3220         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
3221         (File Names and DBX): Likewise.
3222         * doc/trouble.texi (Incompatibilities): Likewise.
3223
3224 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3225
3226         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
3227         instruction is correct.
3228
3229 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3230
3231         Allow non-constant arguments to conversion intrinsics.
3232         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
3233         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
3234         * spu.c (print_operand): Handle 'v' and 'w'.
3235         (exp2_immediate_p, spu_gen_exp2): Define.
3236         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
3237         spu_convtf_1): Update parameter descriptions.
3238         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
3239         * constraints.md ('v', 'w'): New.
3240         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
3241         Remove.
3242         (i2f, I2F): New define_mode_attr.
3243         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
3244         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
3245         fixuns_truncv4sfv4si2):  Update to use mode attribute.
3246         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
3247         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
3248         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
3249         patterns for combine.
3250
3251 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
3252
3253         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
3254         (cprop, hoist, pre, store_motion): New debug counters.
3255         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
3256         is not an RTL pass anymore.
3257         (pass_profiling): Remove extern decl for pass removed in 2005.
3258         (pass_gcse, pass_jump_bypass): Remove.
3259         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
3260         to 0 for clean state.
3261         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
3262         * cse.c (gate_handle_cse_after_global_opts,
3263         rest_of_handle_cse_after_global_opts): New functions.
3264         (pass_cse_after_global_opts): New pass, does local CSE.
3265         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
3266         (TV_CPROP): New timevar.
3267         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
3268         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
3269         (gcse_main, recompute_all_luids): Remove.
3270         (compute_hash_table_work): Call max_reg_num instead of reading
3271         max_gcse_regno.
3272         (cprop_jump): Don't set run_jump_opt_after_gcse.
3273         (constprop_register): Always allow to alter jumps.
3274         (cprop_insn): Likewise.
3275         (do_local_cprop): Likewise.
3276         (local_cprop_pass): Likewise.  Return non-zero if something changed.
3277         (cprop): Remove function, fold interesting bits into one_cprop_pass.
3278         (find_implicit_sets): Add note about missed optimization opportunity.
3279         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
3280         pass_rtl_cprop execute function.
3281         Don't bother tracking the pass number, each pass gets its own dumpfile
3282         now anyway.
3283         Always allow to alter jumpsand bypass jumps.
3284         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
3285         will just find no suitable set.
3286         (pre_edge_insert): Fix dumping, this function is for PRE only.
3287         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
3288         pass_rtl_pre execute function.
3289         (hoist_code): Return non-zero if something changed.  Keep track of
3290         substitutions and insertions for statistics gathering similar to PRE.
3291         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
3292         called from the pass_rtl_hoist execute function.  Show pass statistics.
3293         (compute_store_table): Use max_reg_num directly instead of using the
3294         formerly global max_gcse_regno.
3295         (build_store_vectors): Likewise.
3296         (replace_store_insn): Fix dumping.
3297         (store_motion): Rename to ...
3298         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
3299         pass, called from the pass_rtl_store_motion execute function.  Keep
3300         track of substitutions and insertions for statistics gathering similar
3301         to PRE.
3302         (bypass_jumps): Remove, fold interesting bits into ...
3303         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
3304         from the pass_rtl_cprop execute function.
3305         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
3306         pass_jump_bypass): Remove.
3307         (gate_handle_gcse, rest_of_handle_gcse): Remove.
3308         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
3309         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
3310         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
3311         (gate_rtl_store_motion, execute_rtl_store_motion,
3312         pass_rtl_store_motion): New.
3313         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
3314         make it clear that -fcse-skip-blocks is a no-op for backward compat.
3315         * passes.c (init_optimization_passes): Remove pass_gcse and
3316         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
3317         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
3318         instead of pass_jump_bypass.
3319
3320 2009-04-27  Richard Guenther  <rguenther@suse.de>
3321
3322         PR middle-end/39928
3323         * gimplify.c (gimplify_expr): If we are required to create
3324         a temporary make sure it ends up as register.
3325
3326 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3327
3328         PR target/39903
3329         * config/i386/i386.c (construct_container): Don't call
3330         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
3331         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
3332
3333 2009-04-27  Michael Matz  <matz@suse.de>
3334
3335         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
3336         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
3337         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
3338         (dump_replaceable_exprs): Take a bitmap.
3339         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
3340         array.
3341         (expand_gimple_basic_block): Likewise.
3342         * tree-ssa-ter.c (struct temp_expr_table_d): Make
3343         replaceable_expressions member a bitmap.
3344         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
3345         (mark_replaceable): Likewise.
3346         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
3347         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
3348
3349 2009-04-27  Richard Guenther  <rguenther@suse.de>
3350
3351         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
3352         (verify_stmts): Dispatch to gimple/type verification code.
3353         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
3354         issue with call argument types.
3355
3356 2009-04-27  Michael Matz  <matz@suse.de>
3357
3358         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
3359         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
3360         to above.
3361
3362 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
3363             Eric Botcazou  <ebotcazou@adacore.com>
3364
3365         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
3366         a label's basic block.
3367         (mark_target_live_regs): Tidy and rework obsolete comments.
3368         Change back DF problem to LIVE.  If a label starts a basic block,
3369         assume that all registers that used to be live then still are.
3370         (init_resource_info): If a label starts a basic block, set its
3371         BLOCK_FOR_INSN accordingly.
3372         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
3373
3374 2009-04-27  Richard Guenther  <rguenther@suse.de>
3375
3376         * tree-flow-inline.h (function_ann): Remove.
3377         (get_function_ann): Likewise.
3378         * tree-dfa.c (create_function_ann): Remove.
3379         * tree-flow.h (struct static_var_ann_d): Remove.
3380         (struct function_ann_d): Likewise.
3381         (union tree_ann_d): Remove fdecl member.
3382         (function_ann_t): Remove.
3383         (function_ann, get_function_ann, create_function_ann): Remove
3384         declarations.
3385
3386 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
3387
3388         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
3389
3390 2009-04-27  Jan Hubicka  <jh@suse.cz>
3391
3392         * ipa-pure-const.c (struct funct_state_d): New fields
3393         state_previously_known, looping_previously_known; remove
3394         state_set_in_source.
3395         (analyze_function): Use new fields.
3396         (propagate): Avoid assumption that state_set_in_source imply
3397         nonlooping.
3398
3399         * tree-ssa-loop-niter.c (finite_loop_p): New function.
3400         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
3401         * cfgloop.h (finite_loop_p): Declare.
3402
3403 2009-04-26  Michael Matz  <matz@suse.de>
3404
3405         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
3406
3407 2009-04-26  Michael Matz  <matz@suse.de>
3408
3409         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
3410         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
3411         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
3412         pass_mark_used_blocks): Remove.
3413         * tree-optimize.c (pass_free_datastructures,
3414         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
3415         * passes.c (init_optimization_passes): Don't call
3416         pass_mark_used_blocks, remove dead code.
3417
3418 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
3419
3420         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
3421         * tree-ssa-live.h (register_ssa_partition): Likewise.
3422
3423 2009-04-26  Michael Matz  <matz@suse.de>
3424
3425         Expand from SSA.
3426         * builtins.c (fold_builtin_next_arg): Handle SSA names.
3427         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
3428         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
3429         SSA names. 
3430         (compare_pairs): Swap cost comparison.
3431         (coalesce_ssa_name): Don't use change_partition_var.
3432         * tree-nrv.c (struct nrv_data): Add modified member.
3433         (finalize_nrv_r): Set it.
3434         (tree_nrv): Use it to update statements.
3435         (pass_nrv): Require PROP_ssa.
3436         * tree-mudflap.c (mf_decl_cache_locals,
3437         mf_build_check_statement_for): Use make_rename_temp.
3438         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
3439         * alias.c (find_base_decl): Handle SSA names.
3440         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
3441         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
3442         * rtl.h (set_reg_attrs_for_parm): Declare.
3443         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
3444         to "optimized", remove unused locals at finish.
3445         (execute_free_datastructures): Make global, call
3446         delete_tree_cfg_annotations.
3447         (execute_free_cfg_annotations): Don't call
3448         delete_tree_cfg_annotations.
3449
3450         * ssaexpand.h: New file.
3451         * expr.c (toplevel): Include ssaexpand.h.
3452         (expand_assignment): Handle SSA names the same as register variables.
3453         (expand_expr_real_1): Expand SSA names.
3454         * cfgexpand.c (toplevel): Include ssaexpand.h.
3455         (SA): New global variable.
3456         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
3457         (SSAVAR): New macro.
3458         (set_rtl): New helper function.
3459         (add_stack_var): Deal with SSA names, use set_rtl.
3460         (expand_one_stack_var_at): Likewise.
3461         (expand_one_stack_var): Deal with SSA names.
3462         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
3463         before unique numbers.
3464         (expand_stack_vars): Use set_rtl.
3465         (expand_one_var): Accept SSA names, add asserts for them, feed them
3466         to above subroutines.
3467         (expand_used_vars): Expand all partitions (without default defs),
3468         then only the local decls (ignoring those expanded already).
3469         (expand_gimple_cond): Remove edges when jumpif() expands an
3470         unconditional jump.
3471         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
3472         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
3473         SSA name.
3474         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
3475         members of SA; deal with PARM_DECL partitions here; expand
3476         all PHI nodes, free tree datastructures and SA.  Commit instructions
3477         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
3478         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
3479         info and statements at start, collect garbage at finish.
3480         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
3481         (VAR_ANN_PARTITION) Remove.
3482         (change_partition_var): Don't declare.
3483         (partition_to_var): Always return SSA names.
3484         (var_to_partition): Only accept SSA names.
3485         (register_ssa_partition): Only check argument.
3486         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
3487         member.
3488         (delete_var_map): Don't free it.
3489         (var_union): Only accept SSA names, simplify.
3490         (partition_view_init): Mark only useful SSA names as used.
3491         (partition_view_fini): Only deal with SSA names.
3492         (change_partition_var): Remove.
3493         (dump_var_map): Use ssa_name instead of partition_to_var member.
3494         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
3495         basic blocks.
3496         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
3497         (struct _elim_graph): New member const_dests; nodes member vector of
3498         ints.
3499         (set_location_for_edge): New static helper.
3500         (create_temp): Remove.
3501         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
3502         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
3503         (new_elim_graph): Allocate const_dests member.
3504         (clean_elim_graph): Truncate const_dests member.
3505         (delete_elim_graph): Free const_dests member.
3506         (elim_graph_size): Adapt to new type of nodes member.
3507         (elim_graph_add_node): Likewise.
3508         (eliminate_name): Likewise.
3509         (eliminate_build): Don't take basic block argument, deal only with
3510         partition numbers, not variables.
3511         (get_temp_reg): New static helper.
3512         (elim_create): Use it, deal with RTL temporaries instead of trees.
3513         (eliminate_phi): Adjust all calls to new signature.
3514         (assign_vars, replace_use_variable, replace_def_variable): Remove.
3515         (rewrite_trees): Only do checking.
3516         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
3517         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
3518         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
3519         contains_tree_r, MAX_STMTS_IN_LATCH,
3520         process_single_block_loop_latch, analyze_edges_for_bb,
3521         perform_edge_inserts): Remove.
3522         (expand_phi_nodes): New global function.
3523         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
3524         functions, initialize new parameter, remember partitions having a
3525         default def.
3526         (finish_out_of_ssa): New global function.
3527         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
3528         don't reset in_ssa_p here, don't disable TER when mudflap.
3529         (pass_del_ssa): Remove.
3530         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
3531         partition members.
3532         (execute_free_datastructures): Declare.
3533         * Makefile.in (SSAEXPAND_H): New variable.
3534         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
3535         * basic-block.h (commit_one_edge_insertion): Declare.
3536         * passes.c (init_optimization_passes): Move pass_nrv and
3537         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
3538         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
3539         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
3540         (redirect_branch_edge): Deal with super block when expanding, split
3541         out jump patching itself into ...
3542         (patch_jump_insn): ... here, new static helper.
3543
3544 2009-04-26  Michael Matz  <matz@suse.de>
3545
3546         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
3547         beyond num_ssa_names.
3548         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
3549         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
3550
3551 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
3552
3553         PR inline-asm/39543
3554         * fwprop.c (forward_propagate_asm): New function.
3555         (forward_propagate_and_simplify): Propagate also into __asm, if it
3556         doesn't increase the number of referenced registers.
3557
3558         PR c/39889
3559         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
3560
3561 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
3562
3563         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
3564         note_nonlocal_vla_type for nonlocal VLAs.
3565         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
3566         contains_remapped_vars, remap_vla_decls): New functions.
3567         (convert_nonlocal_reference_stmt): If not optimizing, call
3568         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
3569         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
3570         if it wasn't found in var_map.
3571         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
3572         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
3573         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
3574         declare_vars.
3575         * gimplify.c (nonlocal_vlas): New variable.
3576         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
3577         referenced VLAs.
3578         (gimplify_body): Create and destroy nonlocal_vlas.
3579
3580         * dwarf2out.c (loc_descr_plus_const): New function.
3581         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
3582         mem_loc_descriptor, loc_descriptor_from_tree_1,
3583         descr_info_loc, gen_variable_die): Use it.
3584
3585         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
3586         !TREE_STATIC VAR_DECLs.
3587         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
3588         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
3589         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
3590         DECL_BY_REFERENCE is valid.
3591         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
3592         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
3593         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
3594         Copy DECL_BY_REFERENCE.
3595         (struct nesting_copy_body_data): New type.
3596         (nesting_copy_decl): New function.
3597         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
3598         if they have variable length.
3599
3600 2009-04-26  Michael Matz  <matz@suse.de>
3601
3602         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
3603         mark new temporaries for renaming.
3604
3605 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
3606
3607         PR c/39581
3608         * c-decl.c (global_bindings_p): Return negative value.
3609         (c_variable_size): New.  Based on variable_size from
3610         stor-layout.c.
3611         (grokdeclarator): Call c_variable_size not variable_size.
3612
3613 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
3614
3615         * config/i386/i386.c (print_operand) ['z']: Fix typo.
3616
3617 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
3618
3619         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
3620         Redefine it to just use mingw/include.
3621         (ASM_SPEC): Rules for -m32 and -m64.
3622         (LINK_SPEC): Use Likewise.
3623         (SPEC_32): New define.
3624         (SPEC_64): Likewise.
3625         (SUB_LINK_SPEC): Likewise.
3626         (MULTILIB_DEFAULTS): New define.
3627         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
3628         Add multilib options.
3629         (MULTILIB_DIRNAMES): Likewise.
3630         (MULTILIB_OSDIRNAMES): Likewise.
3631         (LIBGCC): Likewise.
3632         (INSTALL_LIBGCC): Likewise.
3633
3634 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
3635
3636         PR c/39556
3637         * c-tree.h (enum c_inline_static_type): New.
3638         (record_inline_static): Declare.
3639         * c-decl.c (struct c_inline_static, c_inline_statics,
3640         record_inline_static, check_inline_statics): New.
3641         (pop_file_scope): Call check_inline_statics.
3642         (start_decl): Call record_inline_static instead of pedwarning
3643         directly for static in inline function.
3644         * c-typeck.c (build_external_ref): Call record_inline_static
3645         instead of pedwarning directly for static referenced in inline
3646         function.
3647
3648 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
3649
3650         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
3651         not new but only being rescanned.
3652         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
3653         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
3654         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
3655         record_set_info, compute_set, grealloc): Remove.
3656         (recompute_all_luids): New function.
3657         (gcse_main): Don't compute sets, and don't do related memory
3658         allocations/free-ing.  If something changed before the end of the
3659         pass, update LUIDs using recompute_all_luids.
3660         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
3661         (free_gcse_mem): Don't free it either.
3662         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
3663         Use the df insn LUIDs.
3664         (load_killed_in_block): Likewise.
3665         (compute_hash_table_work): Don't compute reg_set_in_block.
3666         (compute_transp): Use DF_REG_DEF_CHAINs.
3667         (local_cprop_pass): Don't use compute_sets and related functions.
3668         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
3669         Use get_max_uid() instead of max_cuid.
3670         (insert_insn_end_basic_block, pre_insert_copy_insn,
3671         update_ld_motion_stores): Don't try to
3672         keep reg_set tables up to date.
3673         (pre_insert_copies): Use df insn LUIDs.
3674         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
3675         (reg_set_info): Don't use extra bitmap argument.
3676         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
3677         information to compute regs_set_in_block.
3678         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
3679         (bypass_jumps): Don't use compute_sets and friends.
3680
3681 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3682
3683         PR testsuite/39710
3684         * opts.c (undocumented_msg): Do not leave blank even with
3685         ENABLE_CHECKING.
3686
3687 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3688
3689         * c-decl.c (build_enumerator): Allow values folding to integer
3690         constants but not integer constant expressions with a pedwarn if
3691         pedantic.
3692
3693 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3694
3695         PR c/39582
3696         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
3697         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
3698         type is an integer constant.
3699
3700 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
3701
3702         PR target/39897
3703         * config/i386/i386.c (print_operand) ['z']: Revert handling of
3704         HImode operands.
3705
3706 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3707
3708         PR c/39564
3709         * c-decl.c (grokdeclarator): Diagnose declarations of functions
3710         with variably modified return type and no storage class
3711         specifiers, except for the case of nested functions.  Distinguish
3712         extern declarations of functions with variably modified return
3713         types from those of objects with variably modified types.
3714
3715 2009-04-25  Jan Hubicka  <jh@suse.cz>
3716
3717         * tree.c (list_equal_p): New function.
3718         * tree.h (list_equal_p): Declare.
3719         * coretypes.h (edge_def, edge, const_edge, basic_block_def
3720         basic_block_def, basic_block, const_basic_block): New.
3721         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
3722         (redirect_eh_edge): New function.
3723         (make_eh_edge_update_phi): EH edges are not abnormal.
3724         * except.c: Include tree-flow.h.
3725         (list_match): New function.
3726         (eh_region_replaceable_by_p): New function.
3727         (replace_region): New function.
3728         (hash_type_list): New function.
3729         (hash_eh_region): New function.
3730         (eh_regions_equal_p): New function.
3731         (merge_peers): New function.
3732         (remove_unreachable_regions): Verify EH tree when checking;
3733         merge peers.
3734         (copy_eh_region_1): New function.
3735         (copy_eh_region): New function.
3736         (push_reachable_handler): New function.
3737         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
3738         regions without label but with live RESX.
3739         * except.h (redirect_eh_edge_to_label): New.
3740         * tree-flow.h (redirect_eh_edge): New.
3741         * coretypes.h (edge_def, edge, const_edge, basic_block_def
3742         basic_block_def, basic_block, const_basic_block): Remove.
3743         * Makefile.in (except.o): Add dependency on tree-flow.h
3744         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
3745         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
3746         Remove.
3747
3748 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
3749
3750         PR bootstrap/39645
3751         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
3752         on the destination of memcpy.
3753
3754 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
3755
3756         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
3757         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
3758         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
3759
3760 2009-04-25  Jan Hubicka  <jh@suse.cz>
3761
3762         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
3763         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
3764         to be reached by different label than left.
3765         (update_eh_edges): Update comment; remove edge_to_remove if possible
3766         and return true if suceeded.
3767         (cleanup_empty_eh): Accept sharing map; handle shared regions.
3768         (cleanup_eh): Compute sharing map.
3769         * except.c (remove_eh_handler_and_replace): Add argument if we should
3770         update regions.
3771         (remove_unreachable_regions): Update for label sharing.
3772         (label_to_region_map): Likewise.
3773         (get_next_region_sharing_label): New function.
3774         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
3775         prev_try pointers.
3776         (remove_eh_handler): Update.
3777         (remove_eh_region_and_replace_by_outer_of): New function.
3778         * except.h (struct eh_region): Add next_region_sharing_label.
3779         (remove_eh_region_and_replace_by_outer_of,
3780         get_next_region_sharing_label): Declare.
3781         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
3782
3783 2009-04-25  Jan Hubicka  <jh@suse.cz>
3784
3785         * tree-cfg.c (split_critical_edges): Split also edges where we can't
3786         insert code even if they are not critical.
3787
3788 2009-04-25  Jan Hubicka  <jh@suse.cz>
3789
3790         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
3791         (gimple_can_remove_branch_p): EH edges won't remove branch by
3792         redirection.
3793         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
3794         updating of non-abnormal EH edges.
3795         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
3796         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
3797         (split_critical_edges): Split also edges where emitting code on them
3798         will lead to splitting later.
3799
3800 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
3801             H.J. Lu  <hongjiu.lu@intel.com>
3802
3803         PR target/39590
3804         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
3805         the configured assembler supports fildq and fistpq mnemonics.
3806         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
3807         * configure: Regenerated.
3808         * config.in: Ditto.
3809
3810         * config/i386/i386.c (print_operand): Handle 'Z'.
3811         ['z']: Remove handling of special fild/fist suffixes.
3812         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
3813         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
3814         suffix of fild insn.
3815         (*floatsi<mode>2_vector_mixed): Ditto.
3816         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
3817         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
3818         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
3819         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
3820         * config/i386/gas.h (GAS_MNEMONICS): Remove.
3821
3822 2009-04-25  Ben Elliston  <bje@au.ibm.com>
3823  
3824         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
3825         the source of a set operation.
3826
3827 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
3828
3829         * target.h (struct gcc_target): Add case_values_threshold field.
3830         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
3831         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
3832         * targhooks.c (default_case_values_threshold): New function.
3833         * targhooks.h (default_case_values_threshold): Declare function.
3834         * stmt.c (expand_case): Use case_values_threshold target hook.
3835         * expr.h (case_values_threshold): Remove declartation.
3836         * expr.c (case_values_threshold): Remove function.
3837         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
3838
3839         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
3840         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
3841         (avr_case_values_threshold): Declare as static.
3842         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
3843
3844         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
3845         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
3846         (mn10300_case_values_threshold): New function.
3847
3848 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3849
3850         * ira.c (setup_cover_and_important_classes): Add enum cast.
3851
3852 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
3853
3854         * genpreds.c (write_enum_constraint_num): Output definition of
3855         CONSTRAINT_NUM_DEFINED_P macro.
3856         * ira.c (setup_cover_and_important_classes): Use
3857         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
3858         
3859 2009-04-24  DJ Delorie  <dj@redhat.com>
3860
3861         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
3862         __SH2A_SINGLE_ONLY__ also.
3863
3864 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
3865
3866         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
3867         (movdf_internal): Ditto.
3868         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
3869         SFmode and DFmode constants.
3870         (ia64_print_operand): Add 'G' format for printing
3871         floating point constants.
3872
3873 2009-04-24  Richard Guenther  <rguenther@suse.de>
3874
3875         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
3876         from unsigned additions.
3877
3878 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
3879
3880         * c-typeck.c (set_init_index): Allow array designators that are
3881         not integer constant expressions with a pedwarn if pedantic.
3882
3883 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3884
3885         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
3886         zero if no overlap in nonzero bits between the operands.
3887
3888 2009-04-24  Ian Lance Taylor  <iant@google.com>
3889
3890         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
3891         (record_dead_and_set_regs): Likewise.
3892         * df.h (struct df_mw_hardreg): Change flags field to int.
3893         (struct df_base_ref): Likewise.
3894         (struct df): Change changeable_flags field to int.
3895         * df-scan.c (df_defs_record): Change clobber_flags to int.
3896         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
3897         constants rather than #define macros.
3898         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
3899         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
3900         (enum dwarf_calling_convention): Likewise.
3901         (enum dwarf_line_number_x_ops): Likewise.
3902         (enum dwarf_call_frame_info): Likewise.
3903         (enum dwarf_source_language): Likewise.
3904         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
3905         (add_calling_convention_attribute): Likewise.
3906         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
3907         (combine_comparisons): Change compcode to int.  Add cast to enum type.
3908         * genrecog.c (maybe_both_true_2): Change c to int.
3909         (write_switch): Likewise.  Add cast to enum type.
3910         * gimplify.c (gimplify_omp_for): Handle return values from
3911         gimplify_expr using MIN rather than bitwise or.
3912         (gimplify_expr): Add cast to enum type.
3913         * ipa-prop.c (update_jump_functions_after_inlining): Change
3914         IPA_BOTTOM to IPA_JF_UNKNOWN.
3915         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
3916         Add casts to enum type.
3917         (setup_cover_and_important_classes): Change cl to int.  Add casts
3918         to enum type.
3919         (setup_class_translate): Change cl and mode to int.
3920         (ira_init_once): Change mode to int.
3921         (free_register_move_costs): Likewise.
3922         (setup_prohibited_mode_move_regs): Add casts to enum type.
3923         * langhooks.c (add_builtin_function_common): Rework assertion that
3924         value fits bitfield.
3925         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
3926         * omega.c (omega_do_elimination): Avoid math on enum types.
3927         * optabs.c (expand_vec_shift_expr): Remove casts to int.
3928         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
3929         int local to handle integral_argment value.
3930         * regmove.c (try_auto_increment): Change PUT_MODE to
3931         PUT_REG_NOTE_KIND.
3932         * reload.c (push_secondary_reload): Add casts to enum type.
3933         (secondary_reload_class, find_valid_class): Likewise.
3934         * reload1.c (emit_input_reload_insns): Likewise.
3935         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
3936         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
3937         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
3938         constant.
3939         * tree.c (build_common_builtin_nodes): Add casts to enum type.
3940         * tree-complex.c (complex_lattice_t): Typedef to int rather than
3941         enum type.
3942         (expand_complex_libcall): Add casts to enum type.
3943         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
3944         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
3945         with ERROR_MARK, not NUM_TREE_CODES.
3946         (vect_create_epilog_for_reduction): Likewise.
3947         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
3948         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
3949         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
3950         enum machine_mode.
3951         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
3952         vect_unused_in_loop.  Change 0 to loop_vect.
3953         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
3954         * var-tracking.c (get_init_value): Change return type to enum
3955         var_init_status.
3956         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
3957         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
3958         arm_fp_model.
3959         (arm_override_options): Add casts to enum type.
3960         (arm_emit_tls_decoration): Likewise.
3961         * config/i386/i386.c (ix86_function_specific_restore): Add casts
3962         to enum type.
3963         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
3964         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
3965         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
3966         enum type.
3967         * config/s390/s390.c (code_for_builtin_64): Change to array of
3968         enum insn_code.
3969         (code_for_builtin_31): Likewise.
3970         (s390_expand_builtin): Change code_for_builtin to enum insn_code
3971         const *.
3972         * config/sparc/sparc.c (sparc_override_options): Change value
3973         field in struct code_model to enum cmodel.  In initializer change
3974         0 to NULL and add cast to enum type.
3975
3976         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
3977         Change all callers.  Issue a -Wc++-compat warning using
3978         lhs_origtype if necessary.
3979         (convert_for_assignment): Issue -Wc++-compat warnings about
3980         invalid conversions to enum type on assignment.
3981         * c-common.h (build_modify_expr): Update declaration.
3982
3983 2009-04-24  Nick Clifton  <nickc@redhat.com>
3984
3985         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
3986         (function_arg_advance): Likewise.
3987         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
3988         5th alternative.
3989
3990 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3991
3992         * config/s390/constraints.md ('I', 'J'): Fix condition.
3993
3994 2009-04-24  Diego Novillo  <dnovillo@google.com>
3995
3996         * gengtype-parse.c (parse_error): Add newline after message.
3997
3998 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3999
4000         * config/i386/sse.md (avxmodesuffixs): Removed.
4001         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
4002         (*avx_pinsr<ssevecsize>): This.
4003
4004 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
4005
4006         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
4007         follow chains of regs with a single definition, and allow expressions
4008         that are function_invariant_p.
4009         (simple_rhs_p): Allow expressions that are function_invariant_p.
4010
4011 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
4012
4013         PR middle-end/39867
4014         * fold-const.c (fold_cond_expr_with_comparison): When folding
4015         > and >= to MAX, make sure the MAX uses the same type as the
4016         comparison's operands.
4017
4018 2009-04-24  Nick Clifton  <nickc@redhat.com>
4019
4020         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
4021         addressing for DImode accesses.
4022         (frv_print_operand_address): Handle PLUS case.
4023         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
4024
4025 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
4026
4027         PR rtl-optimization/39794
4028         * alias.c (canon_true_dependence): Add x_addr argument.
4029         * rtl.h (canon_true_dependence): Adjust prototype.
4030         * cse.c (check_dependence): Adjust canon_true_dependence callers.
4031         * cselib.c (cselib_invalidate_mem): Likewise.
4032         * gcse.c (compute_transp): Likewise.
4033         * dse.c (scan_reads_nospill): Likewise.
4034         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
4035         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
4036         canon_base_addr of the group, plus optional offset.
4037         (struct group_info): Rename canon_base_mem to
4038         canon_base_addr.
4039         (get_group_info): Set canon_base_addr to canon_rtx of base, not
4040         canon_rtx of base_mem.
4041
4042 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
4043
4044         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
4045         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
4046
4047 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4048
4049         * config/spu/spu-builtins.h: Delete file.
4050
4051         * config/spu/spu.h (enum spu_builtin_type): Move here from
4052         spu-builtins.h.
4053         (struct spu_builtin_description): Likewise.  Add GTY marker.
4054         Do not use enum spu_function_code or enum insn_code.
4055         (spu_builtins): Add extern declaration.
4056
4057         * config/spu/spu.c: Do not include "spu-builtins.h".
4058         (enum spu_function_code, enum spu_builtin_type_index,
4059         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
4060         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
4061         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
4062         unsigned_V2DI_type_node): Move here from spu-builtins.h.
4063         (spu_builtin_types): Make static.  Add GTY marker.
4064         (spu_builtins): Add extern declaration with GTY marker.
4065         Include "gt-spu.h".
4066
4067         * config/spu/spu-c.c: Do not include "spu-builtins.h".
4068         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
4069         Check programmatically whether all parameters are scalar.
4070
4071         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
4072
4073 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
4074
4075         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
4076         assignment from the constructor either if the target is volatile.
4077
4078 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
4079
4080         * config/arm/arm.md (insv): Do not share operands[0].
4081
4082 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
4083
4084         * config/vxlib-tls.c (active_tls_threads): Delete.
4085         (delete_hook_installed): New.
4086         (tls_delete_hook): Don't delete the delete hook.
4087         (tls_destructor): Delete it here.
4088         (__gthread_set_specific): Adjust installing the delete hook.
4089         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
4090         __gthread_leave_tsd_dtor_context.
4091
4092 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
4093
4094         * c-format.c (gcc_tdiag_char_table): Add support for %E.
4095
4096 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
4097
4098         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
4099         enum type.
4100         (alpha_rtx_costs): Ditto.
4101         (emit_unlikely_jump): Use add_reg_note.
4102         (emit_frame_store_1): Ditto.
4103         (alpha_expand_prologue): Ditto.
4104         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
4105         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
4106
4107 2009-04-23  Nick Clifton  <nickc@redhat.com>
4108
4109         * config/v850/v850.md (epilogue): Remove suppressed code.
4110         (return): Rename to return_simple and remove test of frame size.
4111         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
4112         to gen_return_simple.
4113
4114 2009-04-22  Jing Yu  <jingyu@google.com>
4115
4116         PR testsuite/39781
4117         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4118
4119 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4120
4121         PR C/31499
4122         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
4123         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
4124         value is a VECTOR_CST, the element type is the element type of the
4125         vector.
4126
4127 2009-04-22  DJ Delorie  <dj@redhat.com>
4128
4129         * config/m32c/m32c.h: Update GTY annotations to new syntax.
4130
4131 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
4132
4133         * alias.c (find_base_term): Move around LO_SUM case, so that
4134         CONST falls through into PLUS/MINUS handling.
4135
4136         PR c/39855
4137         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
4138         into 0, use omit_one_operand.
4139
4140 2009-04-23  Ben Elliston  <bje@au.ibm.com>
4141
4142         * config/rs6000/linux-unwind.h (get_regs): Remove type
4143         puns. Change the type of `pc' to an array of unsigned ints and
4144         update all users.  Constify frame24.
4145
4146 2009-04-22  DJ Delorie  <dj@redhat.com>
4147
4148         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
4149         declarations before code.
4150         (current_function_special_page_vector): Likewise.
4151         (m32c_expand_insv): Silence a warning.
4152
4153 2009-04-21  Taras Glek  <tglek@mozilla.com>
4154
4155         * alias.c: Update GTY annotations to new syntax.
4156         * basic-block.h: Likewise.
4157         * bitmap.h: Likewise.
4158         * c-common.h: Likewise.
4159         * c-decl.c: Likewise.
4160         * c-parser.c: Likewise.
4161         * c-pragma.c: Likewise.
4162         * c-tree.h: Likewise.
4163         * cfgloop.h: Likewise.
4164         * cgraph.h: Likewise.
4165         * config/alpha/alpha.c: Likewise.
4166         * config/arm/arm.h: Likewise.
4167         * config/avr/avr.h: Likewise.
4168         * config/bfin/bfin.c: Likewise.
4169         * config/cris/cris.c: Likewise.
4170         * config/darwin.c: Likewise.
4171         * config/frv/frv.c: Likewise.
4172         * config/i386/i386.c: Likewise.
4173         * config/i386/i386.h: Likewise.
4174         * config/i386/winnt.c: Likewise.
4175         * config/ia64/ia64.h: Likewise.
4176         * config/iq2000/iq2000.c: Likewise.
4177         * config/mips/mips.c: Likewise.
4178         * config/mmix/mmix.h: Likewise.
4179         * config/pa/pa.c: Likewise.
4180         * config/pa/pa.h: Likewise.
4181         * config/rs6000/rs6000.c: Likewise.
4182         * config/s390/s390.c: Likewise.
4183         * config/sparc/sparc.c: Likewise.
4184         * config/xtensa/xtensa.c: Likewise.
4185         * cselib.h: Likewise.
4186         * dbxout.c: Likewise.
4187         * dwarf2out.c: Likewise.
4188         * except.c: Likewise.
4189         * except.h: Likewise.
4190         * fixed-value.h: Likewise.
4191         * function.c: Likewise.
4192         * function.h: Likewise.
4193         * gimple.h: Likewise.
4194         * integrate.c: Likewise.
4195         * optabs.c: Likewise.
4196         * output.h: Likewise.
4197         * real.h: Likewise.
4198         * rtl.h: Likewise.
4199         * stringpool.c: Likewise.
4200         * tree-data-ref.c: Likewise.
4201         * tree-flow.h: Likewise.
4202         * tree-scalar-evolution.c: Likewise.
4203         * tree-ssa-address.c: Likewise.
4204         * tree-ssa-alias.h: Likewise.
4205         * tree-ssa-operands.h: Likewise.
4206         * tree.c: Likewise.
4207         * tree.h: Likewise.
4208         * varasm.c: Likewise.
4209         * varray.h: Likewise.
4210         * vec.h: Likewise.
4211         * coretypes.h: Do not define GTY macro if it is already defined.
4212         * doc/gty.texi: Update GTY documentation to new syntax.
4213         * gengtype-lex.l: Enforce attribute-like syntax for GTY
4214         annotations on structs.
4215         * gengtype-parse.c: Likewise.
4216
4217 2009-04-22  Mark Heffernan  <meheff@google.com>
4218
4219         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
4220
4221 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
4222
4223         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
4224         where appropriate.
4225
4226 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
4227
4228         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
4229         the same as a PLUS without a shift.  Increase the cost of a
4230         CONST_INT in MULT.
4231
4232 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4233
4234         * Makefile.in: Update dependencies.
4235         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
4236         * errors.h: Remove bogus comment about compatibility.
4237         (warning): Update declaration.
4238         * genautomata.c: Update all calls to warning.
4239         * gimple.c: Do not include errors.h. Include toplev.h.
4240         * tree-ssa-structalias.c: Do not include errors.h.
4241         * omega.c: Likewise.
4242         * tree-ssa-reassoc.c: Likewise.
4243         * config/spu/spu-c.c: Likewise.
4244         * config/spu/t-spu-elf: Update dependencies.
4245
4246 2009-04-22  Richard Guenther  <rguenther@suse.de>
4247
4248         PR tree-optimization/39824
4249         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
4250         make sure the types are compatible.
4251
4252 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4253
4254         PR c++/14875
4255         * c-common.c (c_parse_error): Take a token_flags parameter.
4256         Use token_type for the token type instead.
4257         Pass token_flags to cpp_type2name.
4258         * c-common.h (c_parse_error): Update declaration.
4259         * c-parser.c (c_parser_error): Pass 0 as token flags.
4260
4261 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
4262
4263         PR rtl-optimization/39580
4264         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
4265         
4266 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4267
4268         * function.c (expand_function_end): Do not emit a jump to the "naked"
4269         return label for fall-through returns.
4270         * except.c (sjlj_emit_function_exit): Always place the call to the
4271         unregister function at the location installed by expand_function_end.
4272
4273 2009-04-22  Richard Guenther  <rguenther@suse.de>
4274
4275         PR tree-optimization/39845
4276         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
4277         (gen_inbound_check): Likewise.
4278
4279 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
4280
4281         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
4282         padding for PPC.
4283         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
4284         * config/vxlib.c (__gthread_once): Add race guard for PPC.
4285
4286 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
4287
4288         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
4289         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
4290         shift counts to avoid out-of-bounds array accesses.
4291
4292 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
4293
4294         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
4295         (Pmode): Move above.
4296
4297 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
4298
4299         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
4300         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
4301         GET_CODE macro.  Use IN_RANGE macro where appropriate.
4302         * config/alpha/alpha.h: Ditto.
4303         * config/alpha/alpha.md: Ditto.
4304         * config/alpha/constraints.md: Ditto.
4305         * config/alpha/predicates.md: Ditto.
4306         
4307 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
4308
4309         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
4310         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4311         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4312         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4313         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4314         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4315         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4316         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4317         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4318         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4319         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4320         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4321         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4322         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4323         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4324         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4325         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4326         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4327         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4328         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4329         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4330         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4331         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4332         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4333         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4334         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4335         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4336
4337 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
4338
4339         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
4340         references from comments.
4341         * cfgbuild.c: (count_basic_blocks): Delete.
4342         (find_basic_blocks_1): Delete.
4343         (find_basic_blocks): Delete.
4344         * except.c (finish_eh_generation): Make static.  Move comment from
4345         except.h here.  Remove find_basic_blocks references from comments.
4346         * except.h (finish_eh_generation): Delete.
4347         * basic-block.h (find_basic_blocks): Delete.
4348         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
4349
4350 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
4351
4352         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
4353         (sdbout_parms):  Likewise.
4354
4355 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
4356
4357         * config/sh/sh.c (prepare_cbranch_operands): Use
4358         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
4359         (expand_cbranchdi4): Likewise.
4360         (from_compare): Add cast to enum type.
4361         (expand_cbranchsi4): Use add_reg_note.
4362         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
4363         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
4364         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
4365         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
4366         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
4367         instead of CODE_FOR_nothing.
4368         (cbranchdi4): Likewise.  Fix the order of arguments for
4369         gen_rtx_fmt_ee.
4370         (push_fpscr): Use add_reg_note.
4371         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
4372         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
4373         
4374 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
4375
4376         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
4377         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
4378         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
4379         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
4380         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
4381         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
4382         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
4383         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
4384         config/alpha/x-vms, config/arc/t-arc,
4385         config/arm/README-interworking, config/arm/arm-c.c,
4386         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
4387         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
4388         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
4389         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
4390         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
4391         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
4392         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
4393         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
4394         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
4395         config/cris/t-elfmulti, config/crx/t-crx,
4396         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
4397         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
4398         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
4399         config/h8300/t-h8300, config/i386/athlon.md,
4400         config/i386/darwin-libgcc.10.4.ver,
4401         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
4402         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
4403         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
4404         config/i386/t-linux64, config/i386/t-nwld,
4405         config/i386/t-rtems-i386, config/i386/t-sol2-10,
4406         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
4407         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
4408         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
4409         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
4410         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
4411         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
4412         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
4413         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
4414         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
4415         config/m68k/t-uclinux, config/mcore/t-mcore,
4416         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
4417         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
4418         config/mips/crtn.asm, config/mips/irix-crti.asm,
4419         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
4420         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
4421         config/mips/mips-fixed.md, config/mips/sb1.md,
4422         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
4423         config/mips/t-iris6, config/mips/t-isa3264,
4424         config/mips/t-libgcc-mips16, config/mips/t-linux64,
4425         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
4426         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
4427         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
4428         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
4429         config/mn10300/t-linux, config/mn10300/t-mn10300,
4430         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
4431         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
4432         config/picochip/libgccExtras/clzsi2.asm,
4433         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
4434         config/rs6000/darwin-libgcc.10.4.ver,
4435         config/rs6000/darwin-libgcc.10.5.ver,
4436         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
4437         config/rs6000/t-aix43, config/rs6000/t-aix52,
4438         config/rs6000/t-darwin, config/rs6000/t-fprules,
4439         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
4440         config/rs6000/t-lynx, config/rs6000/t-netbsd,
4441         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
4442         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
4443         config/rs6000/t-rtems, config/rs6000/t-spe,
4444         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
4445         config/score/t-score-elf, config/sh/divcost-analysis,
4446         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
4447         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
4448         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
4449         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
4450         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
4451         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
4452         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
4453         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
4454         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
4455         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
4456         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
4457         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
4458         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
4459         limitx.h, version.c, xcoff.h: Add copyright and license notices.
4460         * config/h8300/genmova.sh: Include copyright and license notices
4461         in generated output.
4462         * config/h8300/mova.md: Regenerate.
4463         * doc/install.texi2html: Include word "Copyright" in copyright
4464         notice and use name "Free Software Foundation, Inc.".
4465         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
4466         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
4467         ChangeLog-2007, ChangeLog-2008: Correct dates.
4468
4469 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
4470
4471         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
4472         NE_EXPR operations as well.
4473         * c-parser.c (c_parser_condition): Do not set location information on
4474         the condition.
4475         (c_parser_conditional_expression): Likewise.
4476         (c_parser_binary_expression): Set location information on operators.
4477         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
4478         TRUTH_NOT_EXPR has been folded.
4479         * fold-const.c (fold_truth_not_expr): Copy location information from
4480         the incoming expression to the outgoing one.
4481         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
4482         recursive calls on the LHS of the operator but pass that of the
4483         operator to recursive calls on the RHS of the operator.  Set it
4484         on the COND_EXPR.
4485         (shortcut_cond_expr): Set the locus of the operator on the second
4486         COND_EXPR and that of the expression on the first in degenerate cases.
4487         Pass the locus of the expression to calls to shortcut_cond_r.
4488         Set the locus of the 'then' block on the associated jump, if any.
4489         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
4490         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
4491         expression to call to gimplify_boolean_expr.
4492
4493 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
4494
4495         * config.gcc: Add additional configuration for
4496         i686-w64-mingw* and x86_64-w64-mingw* triplet.
4497         * config/i386/mingw-w64.h: New mingw-w64 specific header.
4498         (CPP_SPEC): Redefine for allowing -municode option.
4499         (STARTFILE_SPEC): Likewise.
4500         * config/i386/t-mingw-w64: New.
4501         * config/i386/mingw-w64.opt: New.
4502         (municode): Add new target option.
4503         * doc/invoke.texi (municode): Add documentation for new option.
4504
4505 2009-04-21  Ian Lance Taylor  <iant@google.com>
4506
4507         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4508         Correct test for number of arguments.
4509         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
4510
4511 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
4512
4513         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
4514         argument of emit_library_call.
4515
4516 2009-04-21  Richard Guenther  <rguenther@suse.de>
4517
4518         PR middle-end/39829
4519         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
4520         inside VIEW_CONVERT_EXPRs.
4521
4522 2009-04-21  Martin Jambor  <mjambor@suse.cz>
4523
4524         * tree-switch-conversion.c (build_constructors): Split a long line.
4525         (constructor_contains_same_values_p): New function.
4526         (build_one_array): Create assigns of constants if possible, do not
4527         call mark_sym_for_renaming, call update_stmt.
4528         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
4529         make_rename_temp.  Do not call mark_symbols_for_renaming, call
4530         update_stmt.
4531         (gen_def_assigns): Do not call mark_symbols_for_renaming or
4532         find_new_referenced_vars, call update_stmt.
4533         (gen_inbound_check): Use create_tmp_var and create ssa names manually
4534         instead of calling make_rename_temp.  Do not call
4535         find_new_referenced_vars or mark_symbols_for_renaming, call
4536         update_stmt.
4537
4538 2009-04-21  Richard Guenther  <rguenther@suse.de>
4539
4540         PR tree-optimization/39827
4541         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
4542         (tree_ssa_phiprop): Pass the correct array size.
4543
4544 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
4545
4546         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
4547
4548 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4549
4550         PR 16202
4551         * c-typeck.c (lvalue_p): Move declaration ...
4552         * c-common.h (lvalue_p): ... to here.
4553         * c-common.c (candidate_equal_p): New.
4554         (add_tlist): Use it.
4555         (merge_tlist): Use it.
4556         (warn_for_collisions_1): Likewise.
4557         (warning_candidate_p): Accept more candidates.
4558         (verify_tree): A warning candidate can be an expression. Use
4559         candidate_equal_p.
4560
4561 2009-04-21  Ben Elliston  <bje@au.ibm.com>
4562
4563         PR target/5267
4564         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
4565         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
4566         options.  Remove -mcall-solaris documentation.
4567
4568 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4569
4570         PR c++/13358
4571         * doc/invoke.texi (-Wlong-long): Update description.
4572         * c-lex (interpret_integer): Only warn if there was no previous
4573         overflow and -Wlong-long is enabled.
4574         * c-decl.c (declspecs_add_type): Drop redundant flags.
4575         * c.opt (Wlong-long): Init to -1.
4576         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
4577         and front-end warn_long_long. Wlong-long only depends on other
4578         flags if it is uninitialized.
4579         * c-parser.c (disable_extension_diagnostics): warn_long_long is
4580         the same for CPP and FE.
4581         (restore_extension_diagnostics): Likewise.
4582
4583 2009-04-20  Ian Lance Taylor  <iant@google.com>
4584
4585         Fix enum conversions which are invalid in C++:
4586         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
4587         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
4588         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
4589         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
4590         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
4591         (dbxout_parms): Likewise.
4592         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
4593         (df_clear_flags): Likewise.
4594         * df-problems.c (df_rd_bb_local_compute_process_def): Change
4595         top_flag parameter to int.
4596         (df_chain_create_bb_process_use): Likewise.
4597         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
4598         Remove cast.
4599         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
4600         (df_ref_create_structure, df_def_record_1): Likewise.
4601         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
4602         (df_notes_rescan): Change 0 to VOIDmode in function call.
4603         (df_get_call_refs, df_insn_refs_collect): Likewise.
4604         (df_bb_regs_collect): Likewise.
4605         (df_entry_block_defs_collect): Likewise.
4606         (df_exit_block_uses_collect): Likewise.
4607         * df.h: Update declarations.
4608         * double-int.c (double_int_divmod): Add cast to enum type.
4609         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
4610         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
4611         (based_loc_descr): Likewise.
4612         (loc_descriptor_from_tree_1): Change first_op and second_op to
4613         enum dwarf_location_atom.  Add cast to enum type.
4614         * expmed.c (init_expmed): Change 0 to SET in function call.
4615         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
4616         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
4617         (do_store_flag): Likewise.
4618         * fixed-value.h (struct fixed_value): Change mode to enum
4619         machine_mode.
4620         * function.c (assign_parms): Change 0 to VOIDmode in function call.
4621         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
4622         function call.
4623         (insert_insn_decl, insert_decl, insert_state): Likewise.
4624         (automata_list_finish): Likewise.
4625         * genrecog.c (process_define_predicate): Add cast to enum type.
4626         * gensupport.c (init_predicate_table): Add cast to enum type.
4627         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
4628         function call.
4629         (gimple_build_call_1, gimple_build_label): Likewise.
4630         (gimple_build_goto, gimple_build_asm_1): Likewise.
4631         (gimple_build_switch_1, gimple_build_cdt): Likewise.
4632         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
4633         (enum fallback): Rename from enum fallback_t.
4634         (fallback_t): Typedef as int.
4635         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
4636         GSI_SAME_STMT in function call.
4637         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
4638         enum type.
4639         (setup_reg_class_relations): Likewise.
4640         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
4641         (setup_prohibited_class_mode_regs): Add cast to enum type.
4642         (setup_prohibited_mode_move_regs): Likewise.
4643         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
4644         (record_address_regs): Change i to enum reg_class.
4645         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
4646         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
4647         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
4648         (GET_MODE_2XWIDER_MODE): Likewise.
4649         (GET_CLASS_NARROWEST_MODE): Likewise.
4650         * omp-low.c (expand_omp_for): Add cast to enum type.
4651         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
4652         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
4653         * postreload.c (reload_cse_simplify_operands): Change rclass local
4654         to enum reg_class.
4655         * predict.c (combine_predictions_for_insn): Change best_predictor
4656         and predictor to enum br_predictor.
4657         (combine_predictions_for_bb): Likewise.
4658         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
4659         use SET_PREDICT_EXPR_OUTCOME.
4660         * real.c (real_arithmetic): Change icode to code in function call.
4661         * reginfo.c (init_move_cost): Add casts to enum type.
4662         (init_reg_sets_1, init_fake_stack_mems): Likewise.
4663         * regmove.c (regclass_compatible_p): Change class0 and class1 to
4664         enum reg_class.
4665         * reload.c (find_valid_class): Add casts to enum type.
4666         (push_reload): Change 0 to NO_REGS in function call.
4667         (find_reloads): Change this_alternative to array of enum
4668         reg_class.  Remove some now-unnecessary casts.
4669         (make_memloc): Change 0 to VOIDmode in function call.
4670         * reload1.c (reload): Change 0 to VOIDmode in function call.
4671         (eliminate_regs_1, elimination_effects): Likewise.
4672         (eliminate_regs_in_insn): Likewise.
4673         (emit_input_reload_insns): Add cast to enum type.
4674         (delete_output_reload): Change 0 to VOIDmode in function call.
4675         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
4676         to enum type in function call.
4677         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
4678         (SET_PREDICT_EXPR_OUTCOME): Define.
4679         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
4680         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
4681         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
4682         (dump_function): Likewise.
4683         * tree-dump.h: Update declarations.
4684         * tree-pass.h: Update declarations.
4685         * varasm.c (assemble_integer): Change mclass to enum mode_class.
4686         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
4687         enum type.
4688         (arm_rtx_costs_1): Correct parenthesization.
4689         (arm_rtx_costs): Add casts to enum type.
4690         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
4691         (vfp_emit_fstmd): Use add_rg_note.
4692         (emit_multi_reg_push, emit_sfm): Likewise.
4693         (thumb_set_frame_pointer): Likewise.
4694         (arm_expand_prologue): Likewise.
4695         (arm_regno_class): Change return type to enum reg_class.
4696         (thumb1_expand_prologue): Use add_reg_note.
4697         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
4698         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
4699         in function call.
4700         * config/arm/gentune.sh: Add cast to enum type.
4701         * config/arm/arm-tune.md: Rebuild.
4702         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
4703         (ix86_split_fp_branch, predict_jump): Likewise.
4704         (ix86_expand_multi_arg_builtin): Change sub_code from enum
4705         insn_code to enum rtx_code.
4706         (ix86_builtin_vectorized_function): Add cast to enum type.
4707         * config/i386/i386.md (truncdfsf2): Change slot to enum
4708         ix86_stack_slot.
4709         (truncxf<mode>2, isinf<mode>2): Likewise.
4710         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
4711         enum type.
4712         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
4713         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
4714         (insert_bundle_state): Change 1 to INSERT in function call.
4715         (ia64_add_bundle_selector_before): Likewise.
4716         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
4717         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
4718         (restore_stack_nonlocal): Likewise.
4719         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
4720         function call.
4721         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
4722         function call.
4723         (mips_rtx_costs): Likewise.
4724         (mips_override_options): Add casts to enum type.
4725         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
4726         in function call.
4727         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
4728         (store_reg, set_reg_plus_d): Likewise.
4729         (hppa_expand_prologue, hppa_profile_hook): Likewise.
4730         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
4731         cast to enum type.
4732         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
4733         function call.
4734         (emit_unlikely_jump): Use add_reg_note.
4735         (rs6000_emit_allocate_stack): Likewise.
4736         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
4737         (output_toc): Change 1 to INSERT in function call.
4738         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
4739         (rs6000_initialize_trampoline): Likewise.
4740         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
4741         function call.
4742         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
4743         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
4744         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
4745         (save_gprs): Use add_reg_note.
4746         (s390_emit_prologue): Likewise.
4747         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
4748         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
4749         (sparc_fold_builtin): Add cast to enum type.
4750         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
4751         enum insn_code.
4752         (spu_expand_prologue): Use add_reg_note.
4753         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
4754
4755 2009-04-20  Ian Lance Taylor  <iant@google.com>
4756
4757         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
4758         (c_parser_postfix_expression_after_primary): Get VEC for list of
4759         arguments.  Get original types of arguments.  Call
4760         build_function_call_vec.
4761         (cached_expr_list_1, cached_expr_list_2): New static variables.
4762         (c_parser_expr_list): Change return type to VEC *.  Add
4763         p_orig_types parameter.  Change all callers.
4764         (c_parser_release_expr): New static function.
4765         (c_parser_vec_to_tree_list): New static function.
4766         * c-typeck.c (build_function_call): Rewrite to build a VEC and
4767         call build_function_call_vec.
4768         (build_function_call_vec): New function, based on old
4769         build_function_call.
4770         (convert_arguments): Remove nargs and argarray parameters.  Change
4771         values to a VEC.  Add origtypes parameter.
4772         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
4773         (convert_for_assignment): Add origtype parameter.  Change all
4774         callers.  If warn_cxx_compat, check for conversion to an enum
4775         type when calling a function.
4776         (store_init_value): Add origtype parameter.  Change all callers.
4777         (digest_init): Likewise.
4778         (struct init_node): Add origtype field.
4779         (add_pending_init): Add origtype parameter.  Change all callers.
4780         (output_init_element): Likewise.
4781         (output_pending_init_elements): Pass origtype from init_node to
4782         output_init_element.
4783         (process_init_element): Pass origtype from c_expr to
4784         output_init_element.
4785         (c_finish_return): Add origtype parameter.  Change all callers.
4786         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
4787         caller.
4788         (sync_resolve_params): Likewise.
4789         (sync_resolve_return): Change params to first_param.  Change caller.
4790         (resolve_overloaded_builtins): Change params to VEC *.  Change
4791         callers.  Save first parameter around call to build_function_call_vec.
4792         * c-decl.c (finish_decl): Add origtype parameter.  Change all
4793         callers.  Call build_function_call_vec rather than
4794         build_function_call for cleanup.
4795         * c-tree.h: Update declarations.
4796         * c-common.h: Update declarations.
4797         * stub-objc.c (objc_rewrite_function_call): Change parameter from
4798         params to first_param.
4799         * target.h (struct gcc_target): Change resolve_overloaded_builtin
4800         params parameter from tree to void *.
4801         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4802         Change arglist parameter to have type void *, and to be a pointer
4803         to a VEC.
4804         * config/rs6000/rs6000-protos.h
4805         (altivec_resolve_overloaded_builtin): Update declaration.
4806         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
4807         fnargs parameter to have type void *, and to be a pointer to a
4808         VEC.  Call build_function_call_vec instead of
4809         build_function_call.
4810         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
4811
4812 2009-04-20  Joey Ye  <joey.ye@intel.com>
4813             Xuepeng Guo  <xuepeng.guo@intel.com>
4814             H.J. Lu  <hongjiu.lu@intel.com>
4815
4816         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
4817
4818         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
4819         (IX86_LEA_PRIORITY): Likewise.
4820         (distance_non_agu_define): New function.
4821         (distance_agu_use): Likewise.
4822         (ix86_lea_for_add_ok): Likewise.
4823         (ix86_dep_by_shift_count): Likewise.
4824
4825         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
4826         should split for LEA.
4827
4828         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
4829         function.
4830         (ix86_dep_by_shift_count): Likewise.
4831
4832 2009-04-20  Richard Guenther  <rguenther@suse.de>
4833
4834         * expr.c (handled_component_p): Move ...
4835         * tree.h (handled_component_p): ... here.
4836         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
4837         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
4838         and REALPART_EXPR to be in one group.
4839
4840 2009-04-20  Richard Guenther  <rguenther@suse.de>
4841
4842         * basic-block.h (get_all_dominated_blocks): Declare.
4843         * dominance.c (get_all_dominated_blocks): New function.
4844         * tree-cfg.c (get_all_dominated_blocks): Remove.
4845         (remove_edge_and_dominated_blocks): Adjust.
4846         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
4847         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
4848         instead of recursing.
4849
4850 2009-04-20  Doug Kwan  <dougkwan@google.com>
4851
4852         * cgraph.h (cgraph_node_ptr): New type for vector functions.
4853         (struct cgraph_node_set_def): New type.
4854         (cgraph_node_set) New type. Also declare vector functions.
4855         (struct cgraph_node_set_element_def): New type.
4856         (cgraph_node_set_element): Ditto.
4857         (cgraph_node_set_iterator): New iterator type.
4858         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
4859         cgraph_node_set_remove, dump_cgraph_node_set,
4860         debug_cgraph_node_set): New prototypes.
4861         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
4862         cgraph_node_set_size): New inlines.
4863         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
4864         including cgraph.h.
4865         (struct ipa_opt_pass): Add struct cgraph_node_set_def
4866         argument to function 'write_summary'.
4867         * ipa.c: Include ggc.h.
4868         (hash_cgraph_node_set_element,
4869         eq_cgraph_node_set_element, cgraph_node_set_new,
4870         cgraph_node_set_add, cgraph_node_set_remove,
4871         cgraph_node_set_find, dump_cgraph_node_set,
4872         debug_cgraph_node_set): New functions.
4873         * Makefile.in (ipa.o): Add dependency on GGC_H.
4874
4875 2009-04-20  Ira Rosen  <irar@il.ibm.com>
4876
4877         PR tree-optimization/39675
4878         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
4879         check of the return code of vect_schedule_slp. Check that
4880         stmt_vec_info still exists for the statement, before checking its
4881         vectorization type.
4882
4883 2009-04-20  Michael Matz  <matz@suse.de>
4884
4885         * Makefile.in (generated_files): Take out $(simple_generated_c).
4886
4887 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
4888
4889         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
4890         (UINTPTR_TYPE):  Likewise.
4891
4892 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4893
4894         PR c/37481
4895         * c-typeck.c (digest_init): Check for initializing an array with a
4896         string literal.
4897
4898 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4899
4900         PR c/19771
4901         * c-semantics.c (pop_stmt_list): Propagate
4902         STATEMENT_LIST_HAS_LABEL to parent statement list.
4903
4904 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
4905
4906         * config/mips/mips.h (mips_tune_attr): New macro.
4907         * config/mips/mips.md (cpu): Use it.
4908
4909 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4910
4911         PR c/38243
4912         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
4913         declaring a tag.
4914
4915 2009-04-19  Diego Novillo  <dnovillo@google.com>
4916
4917         * toplev.c (compile_file): Move call to coverage_finish ...
4918         * cgraphunit.c (ipa_passes): ... here.
4919         Call cgraph_process_new_functions.
4920         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
4921         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
4922
4923 2009-04-19  Jan Hubicka  <jh@suse.cz>
4924
4925         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
4926         cfun.
4927         (dump_cgraph_node): Dump can throw external flag.
4928         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
4929
4930 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4931
4932         PR c/32061
4933         PR c++/36954
4934         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
4935         * common.opt (Wlogical-op): Move from here...
4936         * c.opt (Wlogical-op): ... to here.
4937         * c-typeck.c (parser_build_binary_op): Update call to
4938         warn_logical_operator.
4939         * c-opts.c (c_common_post_options): Enable warn_logical_op with
4940         extra_warnings.
4941         * c-common.c (warn_logical_op): Update.
4942         * c-common.h (warn_logical_op): Update declaration.
4943
4944 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
4945
4946         * tree.c (protected_set_expr_location): Fix formatting.
4947
4948 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4949
4950         PR c/27676
4951         * c-typeck.c (readonly_warning): new.
4952         (build_unary_op, build_modify_expr): Use readonly_warning for
4953         storing into something readonly but not const-qualified.
4954
4955 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4956
4957         PR c/22367
4958         * c-typeck.c (build_unary_op): Check for taking address of
4959         expression of type void.
4960
4961 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4962
4963         PR c/35210
4964         * c-typeck.c (build_function_call): Check for calling a function
4965         with qualified void return types.  Call require_complete_type when
4966         generating a trap.
4967
4968 2009-04-18  Jan Hubicka  <jh@suse.cz>
4969
4970         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
4971         Set nothrow flag.
4972         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
4973         can_throw_external flag.
4974         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
4975         * ipa-pure-const.c (ignore_edge): New function.
4976         (propagate): Compute order for NOTHROW computation; set NOTHROWs
4977         only over can_throw_external edges.
4978         (local_pure_const): Add nothrow flag.
4979         * ipa-utils.c (searchc): Add ignore_edge callback.
4980         (ipa_utils_reduced_inorder): Add ignore_edge callback.
4981         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
4982         (set_nothrow_function_flags): Update cgraph.
4983         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
4984
4985 2009-04-18  Richard Guenther  <rguenther@suse.de>
4986
4987         PR middle-end/39804
4988         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
4989         (fold_stmt): ... this and ...
4990         (fold_stmt_inplace): ... this.
4991         (fold_stmt_1): Fold references in calls and asms.
4992         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
4993
4994 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4995
4996         * tree-vrp.c (ssa_name_nonzero_p): Remove.
4997         * tree.h: Remove the prototype for ssa_name_nonzero_p.
4998
4999 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
5000
5001         * tree.c (function_args_count): Remove.
5002         * tree.h: Remove the prototype for function_args_count.
5003
5004 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
5005
5006         * tree-iterator.c (expr_only): Remove.
5007         * tree.h: Remove the prototype for expr_only.
5008
5009 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
5010
5011         * reginfo.c (cannot_change_mode_set_regs): Remove.
5012         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
5013
5014 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
5015
5016         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
5017         whether operands 0 and 1 overlaps.
5018
5019 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5020
5021         PR middle-end/36902
5022         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
5023         pointer. Use warning_at instead of warning.
5024         (search_for_addr_array): Likewise.
5025         (check_array_bounds): Likewise.
5026         (check_all_array_refs): Check that the incoming edge is not in the
5027         list of edges to be removed.
5028         (check_all_array_refs): Avoid the temporal pointer.
5029         (vrp_visit_cond_stmt): Fix typo.
5030         (simplify_switch_using_ranges): Handle the case where the switch
5031         index is an integer constant.
5032
5033 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
5034
5035         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
5036
5037 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
5038
5039         * doc/extend.texi, doc/invoke.texi: Fix typos.
5040
5041 2009-04-17  Cary Coutant  <ccoutant@google.com>
5042
5043         * tree-flow-inline.h (get_lineno): Fix inverted test.
5044
5045 2009-04-17  Diego Novillo  <dnovillo@google.com>
5046
5047         * tree-ssa-pre.c (create_expression_by_pieces): Remove
5048         assertion for AVAIL_OUT.
5049
5050 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
5051
5052         PR target/38627
5053         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
5054         * config/sh/linux-atomic.asm: Likewise.
5055
5056 2009-04-17  Diego Novillo  <dnovillo@google.com>
5057
5058         * except.c (debug_eh_tree): New.
5059         (struct eh_region, struct eh_status): Move ...
5060         * except.h: ... here.
5061         (add_type_for_runtime): Declare extern.
5062         (lookup_type_for_runtime): Likewise.
5063         (debug_eh_tree): Declare.
5064         * Makefile.in (GTFILES): List except.h before except.c
5065
5066 2009-04-17  Diego Novillo  <dnovillo@google.com>
5067
5068         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
5069         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
5070         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
5071         (find_vars_r): ... here.
5072         * tree-flow.h (find_referenced_vars_in): Declare.
5073         * tree-ssa-pre.c (create_expression_by_pieces): Assert
5074         that AVAIL_OUT exists for BLOCK.
5075         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
5076         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
5077         (tree-parloops.o): Likewise.
5078
5079 2009-04-17  Simon Baldwin  <simonb@google.com>
5080
5081         * toplev.c (default_tree_printer): Add handling for %E format.
5082
5083 2009-04-17  Diego Novillo  <dnovillo@google.com>
5084
5085         * tree-pretty-print.c (dump_generic_node): Add break after
5086         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
5087         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
5088         FUNCTION_TYPE together.  Call print_struct_decl when printing
5089         structures and TDF_SLIM is not given.
5090         (print_struct_decl): Fix logic for detecting recursion.
5091
5092 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
5093
5094         PR 31567
5095         * gcc.c (create_at_file): New.
5096         (compile_input_file_p): New.
5097         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
5098         * main.c (main): Update call to toplev_main.
5099         * toplev.c (toplev_main): Change signature. Call expandargv.
5100         * toplev.h (toplev_main): Change signature.
5101
5102 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
5103
5104         * dwarf2out.c (field_byte_offset): Use the type size as the field size
5105         if the latter is not constant.
5106
5107 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
5108
5109         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
5110
5111 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
5112
5113         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
5114         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
5115
5116 2009-04-17  Richard Guenther  <rguenther@suse.de>
5117
5118         * tree-ssa-structalias.c (get_constraint_for_component_ref):
5119         Handle component references view-converting an invariant address.
5120
5121 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
5122
5123         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
5124         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
5125         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
5126         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
5127         Use @deftypevr rather than @deftypevar.
5128
5129 2009-04-17  Richard Guenther  <rguenther@suse.de>
5130
5131         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
5132         (get_prop_source_stmt): Likewise.
5133         (can_propagate_from): Likewise.
5134
5135 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
5136
5137         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
5138         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
5139         (--with-multilib-list): Add default value.
5140         * configure: Regenerate.
5141         * Makefile.in (TM_ENDIAN_CONFIG): Define.
5142         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
5143         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
5144         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
5145         Don't add default cpu to multilib list unnecessarily, but do enable
5146         the relevant compiler option..
5147         Add support for --with-multilib-list=<blank> and
5148         --with-multilib-list=!<somelib> to supress unwanted multilibs.
5149         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
5150         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
5151         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
5152         TM_MULTILIB_CONFIG.
5153         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
5154         (MULTILIB_OSDIRNAMES): New variable.
5155         * config/sh/t-1e: Delete file.
5156         * config/sh/t-mlib-sh1: Delete file.
5157         * config/sh/t-mlib-sh2: Delete file.
5158         * config/sh/t-mlib-sh2a: Delete file.
5159         * config/sh/t-mlib-sh2a-nofpu: Delete file.
5160         * config/sh/t-mlib-sh2a-single: Delete file.
5161         * config/sh/t-mlib-sh2a-single-only: Delete file.
5162         * config/sh/t-mlib-sh2e: Delete file.
5163         * config/sh/t-mlib-sh3e: Delete file.
5164         * config/sh/t-mlib-sh4: Delete file.
5165         * config/sh/t-mlib-sh4-nofpu: Delete file.
5166         * config/sh/t-mlib-sh4-single: Delete file.
5167         * config/sh/t-mlib-sh4-single-only: Delete file.
5168         * config/sh/t-mlib-sh4a: Delete file.
5169         * config/sh/t-mlib-sh4a-nofpu: Delete file.
5170         * config/sh/t-mlib-sh4a-single: Delete file.
5171         * config/sh/t-mlib-sh4a-single-only: Delete file.
5172         * config/sh/t-mlib-sh4al: Delete file.
5173         * config/sh/t-mlib-sh5-32media: Delete file.
5174         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
5175         * config/sh/t-mlib-sh5-64media: Delete file.
5176         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
5177         * config/sh/t-mlib-sh5-compact: Delete file.
5178         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
5179         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
5180         * doc/install.texi (Options specification): Add
5181         --with-multilib-list and --with-endian.
5182
5183 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
5184
5185         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
5186         REVISION_c.
5187         (OBJS-common): Add plugin-version.o.
5188         (plugin-version.o): New.
5189         * gcc-plugin.h (plugin_gcc_version): New.
5190         (plugin_default_version_check): New.
5191         (plugin_init_func, plugin_init): Add version argument.
5192         * plugin-version.c: New.
5193         * plugin.c (str_plugin_gcc_version_name): New.
5194         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
5195         pass it to the init function.
5196         (plugin_default_version_check): New.
5197
5198 2009-04-17  Richard Guenther  <rguenther@suse.de>
5199
5200         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
5201         for decl-vs-decl disambiguation.
5202
5203 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
5204
5205         * config/s390/s390.h (s390_tune_attr): New macro definition.
5206         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
5207
5208 2009-04-17  Richard Guenther  <rguenther@suse.de>
5209
5210         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
5211         (fold_stmt_r): Likewise.
5212         (maybe_fold_reference): New function.
5213         (fold_gimple_assign): Handle cases fold_stmt_r did.
5214         (fold_stmt): Do not use fold_stmt_r.
5215         (fold_stmt_inplace): Likewise.
5216
5217 2009-04-17  Richard Guenther  <rguenther@suse.de>
5218
5219         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
5220         (record_equivalences_from_stmt): Remove useless checks and
5221         simplifications.
5222         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
5223         the type is already suitable.
5224
5225 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
5226
5227         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
5228
5229 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
5230
5231         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
5232         (CMPtype): Define as __gcc_CMPtype.
5233
5234 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
5235
5236         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
5237         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
5238
5239 2009-04-17  Richard Guenther  <rguenther@suse.de>
5240
5241         PR tree-optimization/39746
5242         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
5243         special-casing for builtins and static variable use/def.
5244         (call_may_clobber_ref_p_1): Likewise.
5245
5246 2009-04-16  Ian Lance Taylor  <iant@google.com>
5247
5248         * df.h: Include "timevar.h".
5249         (struct df_problem): Change tv_id field to timevar_id_t.
5250         * tree-pass.h: Include "timevar.h".
5251         (struct opt_pass): Change tv_id field to timevar_id_t.
5252         * timevar.h (timevar_id_t): Define TV_NONE.
5253         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
5254         TV_NONE rather than tv_id != 0.
5255         (execute_one_pass): Likewise.
5256         * Makefile.in (DF_H): Add $(TIMEVAR_H).
5257         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
5258         dependencies to $(TREE_PASS_H).
5259         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
5260         to TV_NONE.
5261         (pass_branch_target_load_optimize2): Likewise.
5262         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
5263         (pass_outof_cfg_layout_mode): Likewise.
5264         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
5265         (pass_rebuild_cgraph_edges): Likewise.
5266         (pass_remove_cgraph_callee_edges): Likewise.
5267         * df-core.c (pass_df_initialize_opt): Likewise.
5268         (pass_df_initialize_no_opt): Likewise.
5269         (pass_df_finish): Likewise.
5270         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
5271         * except.c (pass_set_nothrow_function_flags): Likewise.
5272         (pass_convert_to_eh_region_ranges): Likewise.
5273         * final.c (pass_compute_alignments): Likewise.
5274         * function.c (pass_instantiate_virtual_regs): Likewise.
5275         (pass_init_function): Likewise.
5276         (pass_leaf_regs): Likewise.
5277         (pass_match_asm_constraints): Likewise.
5278         * gimple-low.c (pass_lower_cf): Likewise.
5279         (pass_mark_used_blocks): Likewise.
5280         * init-regs.c (pass_initialize_regs): Likewise.
5281         * integrate.c (pass_initial_value_sets): Likewise.
5282         * ira.c (pass_ira): Likewise.
5283         * jump.c (pass_cleanup_barriers): Likewise.
5284         * omp-low.c (pass_expand_omp): Likewise.
5285         (pass_lower_omp): Likewise.
5286         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
5287         * recog.c (pass_split_all_insns): Likewise.
5288         (pass_split_after_reload): Likewise.
5289         (pass_split_before_regstack): Likewise.
5290         (pass_split_before_sched2): Likewise.
5291         (pass_split_for_shorten_branches): Likewise.
5292         * reginfo.c (pass_reginfo_init): Likewise.
5293         (pass_subregs_of_mode_init): Likewise.
5294         (pass_subregs_of_mode_finish): Likewise.
5295         * passes.c (pass_postreload): Likewise.
5296         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
5297         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
5298         (pass_warn_function_return): Likewise.
5299         (pass_warn_function_noreturn): Likewise.
5300         * tree-complex.c (pass_lower_complex): Likewise.
5301         (pass_lower_complex_O0): Likewise.
5302         * tree-if-conv.c (pass_if_conversion): Likewise.
5303         * tree-into-ssa.c (pass_build_ssa): Likewise.
5304         * tree-mudflap.c (pass_mudflap_1): Likewise.
5305         (pass_mudflap_2): Likewise.
5306         * tree-nomudflap.c (pass_mudflap_1): Likewise.
5307         (pass_mudflap_2): Likewise.
5308         * tree-nrv.c (pass_return_slot): Likewise.
5309         * tree-object-size.c (pass_object_sizes): Likewise.
5310         * tree-optimize.c (pass_all_optimizations): Likewise.
5311         (pass_early_local_passes): Likewise.
5312         (pass_all_early_optimizations): Likewise.
5313         (pass_cleanup_cfg): Likewise.
5314         (pass_cleanup_cfg_post_optimizing): Likewise.
5315         (pass_free_datastructures): Likewise.
5316         (pass_free_cfg_annotations): Likewise.
5317         (pass_fixup_cfg): Likewise.
5318         (pass_init_datastructures): Likewise.
5319         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
5320         (pass_late_warn_uninitialized): Likewise.
5321         (pass_update_address_taken): Likewise.
5322         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
5323         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
5324         (pass_cse_sincos): Likewise.
5325         (pass_convert_to_rsqrt): Likewise.
5326         * tree-ssa-structalias.c (pass_build_alias): Likewise.
5327         * tree-stdarg.c (pass_stdarg): Likewise.
5328         * tree-tailcall.c (pass_tail_recursion): Likewise.
5329         (pass_tail_calls): Likewise.
5330         * tree-vect-generic.c (pass_lower_vector): Likewise.
5331         (pass_lower_vector_ssa): Likewise.
5332         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
5333
5334 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
5335
5336         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
5337         XLR entry.
5338         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
5339         Handle -march=xlr.
5340         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
5341         logical and signext.
5342
5343 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
5344
5345         PR target/39767
5346         * config/sh/predicates.md (arith_operand): Check if the operand
5347         of TRUNCATE is a REG.
5348
5349 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5350
5351         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
5352         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
5353
5354 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5355
5356         * tree-iterator.c (tsi_split_statement_list_after,
5357         tsi_split_statement_list_before): Remove.
5358         * tree-iterator.h: Remove the prototypes for
5359         tsi_split_statement_list_after and tsi_split_statement_list_before.
5360
5361 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5362
5363         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
5364         * tree-ssa-propagate.h: Remove the prototype for
5365         stmt_makes_single_load.
5366
5367 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5368
5369         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
5370         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
5371
5372 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5373
5374         * tree-iterator.c (EXPR_LAST_BODY): Remove.
5375
5376 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5377
5378         * except.c (eh_region_outer_p): Remove.
5379         * except.h: Remove the prototype for eh_region_outer_p.
5380
5381 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5382
5383         * function.c (current_function_assembler_name): Remove.
5384         * function.h: Remove the prototype for
5385         current_function_assembler_name.
5386
5387 2009-04-16  Ian Lance Taylor  <iant@google.com>
5388
5389         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
5390         (add_reg_note): Call alloc_reg_note.
5391         * rtl.h (alloc_reg_note): Declare.
5392         * combine.c (try_combine): Use alloc_reg_note.
5393         (recog_for_combine, move_deaths): Likewise.
5394         (distribute_notes): Use alloc_reg_note and add_reg_note.
5395         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
5396         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
5397         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
5398
5399 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
5400
5401         PR rtl-optimization/39762
5402         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
5403         ira_may_move_out_cost): Add comments about way of their usage.
5404         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
5405
5406         * ira-conflicts.c (process_regs_for_copy): Use function
5407         ira_get_register_move_cost instead of global
5408         ira_register_move_cost.
5409
5410         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
5411         color_pass, move_spill_restore, update_curr_costs): Ditto.
5412
5413         * ira-lives.c (process_single_reg_class_operands): Ditto.
5414
5415         * ira-emit.c (emit_move_list): Ditto.
5416
5417         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
5418         (record_reg_classes): Ditto.  Use functions
5419         ira_get_register_move_cost and ira_get_may_move_cost instead of
5420         global vars ira_register_move_cost, ira_may_move_out_cost and
5421         ira_may_move_in_cost.
5422         (record_address_regs): Don't call ira_init_register_move_cost.
5423         Use function ira_get_may_move_cost instead of global
5424         ira_may_move_in_cost.
5425         (process_bb_node_for_hard_reg_moves): Use function
5426         ira_get_register_move_cost instead of global ira_register_move_cost.
5427         (ira_costs): Don't call ira_init_register_move_cost.
5428
5429 2009-04-16  Richard Guenther  <rguenther@suse.de>
5430
5431         * tree-cfg.c (verify_gimple_assign_binary):
5432         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
5433         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
5434         (create_general_new_stmt): Note that this function is broken.
5435
5436 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5437
5438         * common.opt (fhelp): Add Var(help_flag).
5439         * gcc-plugin.h (plugin_info): Add help.
5440         * plugin.c (plugin_name_args): Add help.
5441         (register_plugin_info): Set plugin->help.
5442         (print_help_one_plugin): New.
5443         (print_plugins_help): New.
5444         * plugin.h (print_plugins_help): New.
5445         * toplev.c (toplev_main): Call print_plugins_help if needed.
5446
5447 2009-04-16  Richard Guenther  <rguenther@suse.de>
5448
5449         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
5450         (gimple_ior_addresses_taken_1): New function.
5451         (gimple_ior_addresses_taken): Likewise.
5452         * gimple.h (struct gimple_statement_with_ops_base): Remove
5453         addresses_taken member.
5454         (gimple_ior_addresses_taken): Declare.
5455         (gimple_addresses_taken, gimple_addresses_taken_ptr,
5456         gimple_set_addresses_taken): Remove.
5457         * ipa-reference.c (mark_address): New function.
5458         (scan_stmt_for_static_refs): Use it for marking addresses taken.
5459         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
5460         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
5461         (gimple_add_to_addresses_taken): Remove.
5462         (get_tmr_operands): Call mark_address_taken.
5463         (get_asm_expr_operands): Likewise.
5464         (get_expr_operands): Likewise.
5465         (build_ssa_operands): Do not clear the addresses_taken bitmap.
5466         (free_stmt_operands): Do not free it.
5467         * tree-ssa.c (delete_tree_ssa): Likewise.
5468         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
5469
5470 2009-04-16  Richard Guenther  <rguenther@suse.de>
5471
5472         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
5473         (walk_stmt_load_store_ops): Likewise.
5474         * gimple.c (get_base_loadstore): New function.
5475         (walk_stmt_load_store_addr_ops): Likewise.
5476         (walk_stmt_load_store_ops): Likewise.
5477         * ipa-pure-const.c (check_op): Simplify.
5478         (check_load, check_store): New functions.
5479         (check_stmt): Use walk_stmt_load_store_ops.
5480         * ipa-reference.c (mark_load): Adjust signature.
5481         (mark_store): Likewise.
5482         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
5483
5484 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5485
5486         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
5487         (plugin_info): New.
5488         * opts.c (common_handle_option): Don't call print_version.
5489         * plugin.c (plugin_name_args): Add version.
5490         (register_plugin_info): New.
5491         (register_callback): Handle PLUGIN_INFO.
5492         (try_init_one_plugin): New.
5493         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
5494         if failed to init.
5495         (finalize_one_plugin): New.
5496         (finalize_plugins): New.
5497         (print_one_plugin): New.
5498         (print_plugins_versions): New.
5499         * plugin.h (print_plugins_versions): New.
5500         (finalize_plugins): New.
5501         * toplev.c (compile_file): Don't call initialize_plugins.
5502         (print_version): Call print_plugins_versions.
5503         (toplev_main): Call initialize_plugins. Print version if needed.
5504         Call finalize_plugins.
5505
5506 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5507
5508         * common.opt (fversion): New.
5509         * gcc.c (print_version): New.
5510         (process_command): Don't print the version. Just set print_version.
5511         (main): Print version. Call subprocesses if print_version and
5512         verbose_flag are set.
5513         * opts.c (common_handle_option): Handle OPT_fversion.
5514
5515 2009-04-16  Richard Guenther  <rguenther@suse.de>
5516             Ira Rosen  <irar@il.ibm.com>
5517
5518         PR tree-optimization/39698
5519         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
5520         type of the reduction variable.  Only generate the def if
5521         it is needed.
5522
5523         * omp-low.c (expand_omp_for_generic): When converting to a pointer
5524         make sure to first convert to an integer of the same precision.
5525         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
5526         the type of the evolution correctly in computing the new
5527         induction variable base.
5528
5529 2009-04-16  Richard Guenther  <rguenther@suse.de>
5530
5531         PR middle-end/39625
5532         * tree-cfg.c (make_blocks): Split statements with to-be
5533         abnormal SSA names on the lhs.
5534
5535 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
5536
5537         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
5538         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
5539         * c-typeck.c (really_start_incremental_init): Likewise.
5540         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
5541         (TARGET_INITIALIZER): Remove it.
5542         * target.h (struct target): Remove vector_opaque_p.
5543         * tree.c (build_opaque_vector_type): New.
5544         * tree.h (TYPE_VECTOR_OPAQUE): New.
5545         (build_opaque_vector_type): Declare.
5546         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
5547         * config/rs6000/rs6000.c (build_opaque_vector_type,
5548         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
5549         (rs6000_init_builtins): Use build_opaque_vector_type for
5550         opaque_V4SI_type_node.
5551
5552 2009-04-15  Catherine Moore  <clm@codesourcery.com>
5553
5554         * debug.h (set_name):  Declare.
5555         * dwarf2out.c (dwarf2out_set_name): Declare.
5556         (dwarf2_debug_hooks): Add set_name.
5557         (find_AT_string): New.
5558         (add_AT_string): Call find_AT_string.
5559         (dwarf2out_set_name): New.
5560         * cp/decl.c (grokdeclarator): Call set_name.
5561         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
5562         * debug.c (do_nothing_debug_hooks):  Likewise.
5563         * dbxout.c (dbx_debug_hooks): Likewise.
5564         * sdbout.c (sdb_debug_hooks): Likewise.
5565
5566 2009-04-15  Michael Eager  <eager@eagercon.com>
5567
5568         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
5569         reg for single-precision FPU.
5570         * config/rs6000/rs6000.md (movsi_internal1): Only for
5571         !TARGET_SINGLE_FPU.
5572         (movsi_internal1_single): New. Add pattern to move SI values to/from
5573         single-precision FP regs.
5574
5575 2009-04-15  Richard Guenther  <rguenther@suse.de>
5576
5577         * omp-low.c (lower_rec_input_clauses): Build correct address
5578         expressions.
5579         (expand_omp_for_generic): Fix multiplication type.
5580         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
5581         (generate_memset_zero): Fix types.
5582         * tree-profile.c (prepare_instrumented_value): Correctly
5583         widen a pointer.
5584
5585 2009-04-15  Ian Lance Taylor  <iant@google.com>
5586
5587         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
5588         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
5589         for -Wall and for -Wc++-compat.
5590         (c_common_post_options): For C++, set warn_enum_compare if not
5591         already set.
5592         * c-tree.h (struct c_expr): Add field original_type.
5593         (build_external_ref): Update declaration.
5594         * c-parser.c (c_parser_braced_init): Set original_type.
5595         (c_parser_initelt): Likewise.
5596         (c_parser_expr_no_commas): Likewise.
5597         (c_parser_conditional_expression): Likewise.
5598         (c_parser_cast_expression): Likewise.
5599         (c_parser_unary_expression): Likewise.  Pull setting of
5600         original_code to top of function.
5601         (c_parser_sizeof_expression): Set original_type.
5602         (c_parser_alignof_expression): Likewise.
5603         (c_parser_postfix_expression): Likewise.  Pull setting of
5604         original_code to top of function.
5605         (c_parser_postfix_expression_after_paren_type): Set original_type.
5606         (c_parser_postfix_expression_after_primary): Likewise.
5607         (c_parser_expression): Likewise.
5608         * c-typeck.c (build_external_ref): Add type parameter.  Change all
5609         callers.
5610         (c_expr_sizeof_expr): Set original_type field.
5611         (parser_build_unary_op): Likewise.
5612         (parser_build_binary_op): Likewise.  Optionally warn about
5613         comparisons of enums of different types.
5614         (digest_init): Set original_type field.
5615         (really_start_incremental_init): Likewise.
5616         (push_init_level, pop_init_level): Likewise.
5617         * doc/invoke.texi (Warning Options): -Wenum-compare now
5618         supported in C.
5619
5620 2009-04-15  Richard Guenther  <rguenther@suse.de>
5621
5622         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
5623         out a necessary conversion.
5624         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
5625         names we didn't value number.
5626         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
5627
5628 2009-04-15  Richard Guenther  <rguenther@suse.de>
5629
5630         PR tree-optimization/39764
5631         * tree-ssa-ccp.c (get_value): Canonicalize value with
5632         canonicalize_float_value.
5633
5634 2009-04-15  Jan Hubicka  <jh@suse.cz>
5635
5636         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
5637         Wrong version of patch.
5638
5639 2009-04-15  Jan Hubicka  <jh@suse.cz>
5640
5641         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
5642
5643 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
5644
5645         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
5646         our distinct integral and vector types.
5647
5648 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
5649
5650         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
5651         * init.c (build_vtbl_address): Remove call to assemble_external.
5652
5653 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
5654
5655         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
5656         output for other floating point modes.
5657
5658 2009-04-14  Diego Novillo  <dnovillo@google.com>
5659
5660         * diagnostic.c (diagnostic_report_diagnostic): Do not
5661         warn about loaded plugins for DK_ERROR and DK_WARNING.
5662         * c-decl.c (declspecs_add_type): Move call to
5663         invoke_plugin_callbacks ...
5664         * c-parser.c (c_parser_declspecs): ... here.
5665         * plugin.c (dump_active_plugins): Tidy output.
5666
5667 2009-04-14  Diego Novillo  <dnovillo@google.com>
5668             Le-Chun Wu  <lcwu@google.com>
5669
5670         * configure.ac: Add --enable-plugin support.
5671         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
5672         * Makefile.in (PLUGIN_H): Define.
5673         Export ENABLE_PLUGIN and GMPINC to site.exp.
5674         Add PLUGINLIBS to link command.
5675         Add/modify dependencies for plugin.o and files including plugin.h.
5676         (plugin.o): New.
5677         * config.in: Regenerate.
5678
5679         * opts.c (common_handle_option): Handle OPT_fplugin_ and
5680         OPT_fplugin_arg_.
5681
5682 2009-04-14  Le-Chun Wu  <lcwu@google.com>
5683
5684         * tree-pass.h (register_one_dump_file): Add a prototype for
5685         register_one_dump_file.
5686         * toplev.c (compile_file): Call initialize_plugins.
5687         (do_compile): Call invoke_plugin_callbacks.
5688         (toplev_main): Call invoke_plugin_callbacks.
5689         * common.opt: Add -fplugin= and -fplugin-arg-.
5690         * gcc-plugin.h: New public header file for plugins to include.
5691         * plugin.c: New source file.
5692         * plugin.h: New internal header file.
5693         * passes.c (register_one_dump_file): Make it external.
5694
5695         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
5696
5697 2009-04-14  Diego Novillo  <dnovillo@google.com>
5698
5699         * doc/plugins.texi: New.
5700         * doc/gccint.texi: Add reference to Plugins chapter.
5701         * doc/invoke.texi: Document -fplugin and -fplugin-arg
5702         * diagnostic.c (diagnostic_report_diagnostic): Warn about
5703         loaded plugins, if any.
5704         * timevar.def (TV_PLUGIN_INIT): Define.
5705         (TV_PLUGIN_RUN): Define.
5706         * plugin.c: Include timevar.h
5707         (plugins_active_p): New.
5708         (dump_active_plugins): New.
5709         (debug_active_plugins): New.
5710
5711 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
5712
5713         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
5714         library paths.
5715         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
5716
5717 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
5718
5719         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
5720         the same as a minus without a shift.
5721
5722 2009-04-14  Nick Clifton  <nickc@redhat.com>
5723
5724         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
5725         comparisons with small integers will always produce a short
5726         branch.
5727
5728 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
5729
5730         Merge:
5731         2008-12-19  Diego Novillo  <dnovillo@google.com>
5732
5733         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
5734
5735 2009-04-14  Richard Guenther  <rguenther@suse.de>
5736
5737         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
5738         verification.
5739         (verify_gimple_assign_binary): Likewise.  Handle shifts and
5740         rotates correctly.
5741         (verify_gimple_phi): Print the mismatched argument position.
5742         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
5743         Fix types.
5744         (vect_update_init_of_dr): Likewise.
5745         * matrix-reorg.c (transform_access_sites): Do what the
5746         comment suggests.
5747         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
5748
5749 2009-04-13  Michael Eager  <eager@eagercon.com>
5750
5751         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
5752         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
5753         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
5754         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
5755         remove duplicate config
5756
5757 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5758
5759         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
5760         file_name:line_number type locator of the call site.
5761
5762 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
5763
5764         * genautomata.c: Put blank after comma.
5765         (automaton_decls): New.
5766         (struct unit_usage): Add comments to member next.
5767         (store_alt_unit_usage): Keep the list ordered.
5768         (unit_present_on_list_p, equal_alternatives_p): New.
5769         (check_regexp_units_distribution): Check units distribution
5770         correctness correctly.
5771         (main): Don't write automata if error is found.  Return correct
5772         exit code.
5773
5774         * config/m68k/cf.md (cfv4_ds): Remove.
5775         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
5776         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
5777
5778         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
5779         power4-load-ext, power4-store, power4-store-update,
5780         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
5781         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
5782         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
5783         power4-sqrt, power4-isync): Modify reservation to make correct
5784         unit distribution to automata.
5785
5786         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
5787         power5-store-update, power5-two, power5-three, power5-lmul,
5788         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
5789
5790 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
5791
5792         * except.c (pass_set_nothrow_function_flags): Set name and add
5793         TODO_dump_func.
5794         (set_nothrow_function_flags): Mention in the dump file when
5795         changing a function to nothrow.
5796
5797 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
5798
5799         PR/39066
5800         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
5801         instead of unsigned long.
5802
5803 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5804
5805         * config/arm/arm.c (return_used_this_function): Remove.
5806         (arm_output_function_prologue): Remove use of
5807         return_used_this_function.
5808         (output_return_instruction): Replace use of
5809         return_used_this_function
5810         by cfun->machine->return_used_this_function.
5811         (arm_output_epilogue): Likewise.
5812         (arm_output_function_epilogue): Likewise.
5813         (thumb_unexpanded_epilogue): Likewise.
5814         * config/arm/arm.h (struct machine_function):
5815         New member return_used_this_function.
5816
5817 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
5818
5819         * doc/install.texi: Correct description of default directory for
5820         --with-gxx-include-dir.
5821
5822 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
5823
5824         * fold-const.c (build_range_check): Properly deal with enumeral and
5825         boolean base types.
5826
5827 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
5828
5829         * doc/invoke.texi (max_gcse_passes): Remove documentation.
5830         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
5831         * params.h (MAX_GCSE_PASSES): Remove.
5832         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
5833         in sequence.  Remove ability to run multiple passes.
5834         (bypass_jumps): Report run as third CPROP pass.
5835
5836 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
5837
5838         PR middle-end/39651
5839         * except.c (can_throw_external): Look at each insn in a SEQUENCE
5840         when deciding whether the whole SEQUENCE can throw.
5841
5842 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
5843
5844         PR target/39740
5845         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
5846         offseted label references.
5847
5848 2009-04-11  Jan Hubicka  <jh@suse.cz>
5849
5850         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
5851
5852 2009-04-11  Richard Guenther  <rguenther@suse.de>
5853
5854         PR middle-end/39732
5855         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
5856         return variables as TREE_ADDRESSABLE.
5857
5858 2009-04-11  Richard Guenther  <rguenther@suse.de>
5859
5860         PR tree-optimization/39713
5861         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
5862         reference trees have SSA_NAME operands.
5863
5864 2009-04-11  Richard Guenther  <rguenther@suse.de>
5865
5866         PR c/39712
5867         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
5868         address expressions.
5869
5870 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
5871
5872         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
5873         match changes in Cygwin 1.7
5874         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
5875         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
5876
5877 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5878
5879         PR tree-optimization/39701
5880         * doc/invoke.texi (Optimization Options): Document change in
5881         meaning and initialization of -fdelete-null-pointer-checks.
5882
5883 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5884
5885         PR middle-end/39701
5886         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
5887
5888         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
5889         here.
5890
5891         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
5892
5893 2009-04-10  Chao-ying Fu  <fu@mips.com>
5894
5895         * doc/tm.texi (Instruction Output): Document
5896         TARGET_ASM_FINAL_POSTSCAN_INSN.
5897         * target.h (final_postscan_insn): New field in asm_out.
5898         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5899         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
5900         * final.c (final_scan_insn): Call
5901         targetm.asm_out.final_postscan_insn after outputting
5902         an asm macro and a normal instruction.
5903
5904         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
5905         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
5906         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
5907         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
5908         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5909
5910 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5911
5912         PR middle-end/39701
5913         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
5914         variables as non-NULL even with -fdelete-null-pointer-checks.
5915
5916 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5917
5918         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
5919
5920 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5921
5922         PR target/39678
5923         * config/i386/i386.c (classify_argument): Handle SCmode with
5924         (bit_offset % 64) != 0.
5925
5926 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
5927
5928         * doc/invoke.texi (Optimize Options): Add cross-reference to
5929         -Q --help=optimizers examples.
5930
5931 2009-04-10  Ben Elliston  <bje@au.ibm.com>
5932
5933         PR target/36800
5934         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
5935         regalign for the reg == fpr and TDmode case.
5936
5937 2009-04-09  David Ayers  <ayers@fsfe.org>
5938
5939         PR objc/29200
5940         * objc/objc-act.c (warn_with_method): Remove helper function.
5941         (check_duplicates): Call warning and inform directly.
5942         (really_start_method): Likewise.
5943
5944 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
5945
5946         * expmed.c (expand_divmod): Always use a comparison for a division
5947         by a large unsigned integer.
5948
5949         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
5950         for things others than variables or functions as nonzero.
5951
5952 2009-04-09  Nick Clifton  <nickc@redhat.com>
5953
5954         * unwind-compat.c: Change copyright header to refer to version
5955         3 of the GNU General Public License with version 3.1 of the
5956         GCC Runtime Library Exception and to point readers at the
5957         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
5958         * config/alpha/crtfastmath.c: Likewise.
5959         * config/alpha/linux-unwind.h: Likewise.
5960         * config/alpha/qrnnd.asm: Likewise.
5961         * config/alpha/vms-crt0-64.c: Likewise.
5962         * config/alpha/vms-crt0.c: Likewise.
5963         * config/alpha/vms-dwarf2.asm: Likewise.
5964         * config/alpha/vms-dwarf2eh.asm: Likewise.
5965         * config/alpha/vms-psxcrt0-64.c: Likewise.
5966         * config/alpha/vms-psxcrt0.c: Likewise.
5967         * config/alpha/vms_tramp.asm: Likewise.
5968         * config/arc/initfini.c: Likewise.
5969         * config/arc/lib1funcs.asm: Likewise.
5970         * config/arm/bpabi-v6m.S: Likewise.
5971         * config/arm/bpabi.S: Likewise.
5972         * config/arm/bpabi.c: Likewise.
5973         * config/arm/crti.asm: Likewise.
5974         * config/arm/crtn.asm: Likewise.
5975         * config/arm/ieee754-df.S: Likewise.
5976         * config/arm/ieee754-sf.S: Likewise.
5977         * config/arm/lib1funcs.asm: Likewise.
5978         * config/arm/libunwind.S: Likewise.
5979         * config/arm/linux-atomic.c: Likewise.
5980         * config/arm/mmintrin.h: Likewise.
5981         * config/arm/pr-support.c: Likewise.
5982         * config/arm/unaligned-funcs.c: Likewise.
5983         * config/arm/unwind-arm.c: Likewise.
5984         * config/arm/unwind-arm.h: Likewise.
5985         * config/avr/libgcc.S: Likewise.
5986         * config/bfin/crti.s: Likewise.
5987         * config/bfin/crtlibid.s: Likewise.
5988         * config/bfin/crtn.s: Likewise.
5989         * config/bfin/lib1funcs.asm: Likewise.
5990         * config/bfin/linux-unwind.h: Likewise.
5991         * config/cris/arit.c: Likewise.
5992         * config/cris/cris_abi_symbol.c: Likewise.
5993         * config/darwin-64.c: Likewise.
5994         * config/darwin-crt2.c: Likewise.
5995         * config/darwin-crt3.c: Likewise.
5996         * config/darwin.h: Likewise.
5997         * config/dbxelf.h: Likewise.
5998         * config/dfp-bit.c: Likewise.
5999         * config/dfp-bit.h: Likewise.
6000         * config/elfos.h: Likewise.
6001         * config/fixed-bit.c: Likewise.
6002         * config/fixed-bit.h: Likewise.
6003         * config/fp-bit.c: Likewise.
6004         * config/fp-bit.h: Likewise.
6005         * config/fr30/crti.asm: Likewise.
6006         * config/fr30/crtn.asm: Likewise.
6007         * config/fr30/lib1funcs.asm: Likewise.
6008         * config/freebsd-spec.h: Likewise.
6009         * config/frv/cmovd.c: Likewise.
6010         * config/frv/cmovh.c: Likewise.
6011         * config/frv/cmovw.c: Likewise.
6012         * config/frv/frvbegin.c: Likewise.
6013         * config/frv/frvend.c: Likewise.
6014         * config/frv/lib1funcs.asm: Likewise.
6015         * config/glibc-stdint.h: Likewise.
6016         * config/h8300/clzhi2.c: Likewise.
6017         * config/h8300/crti.asm: Likewise.
6018         * config/h8300/crtn.asm: Likewise.
6019         * config/h8300/ctzhi2.c: Likewise.
6020         * config/h8300/fixunssfsi.c: Likewise.
6021         * config/h8300/lib1funcs.asm: Likewise.
6022         * config/h8300/parityhi2.c: Likewise.
6023         * config/h8300/popcounthi2.c: Likewise.
6024         * config/i386/ammintrin.h: Likewise.
6025         * config/i386/att.h: Likewise.
6026         * config/i386/avxintrin.h: Likewise.
6027         * config/i386/biarch64.h: Likewise.
6028         * config/i386/bmmintrin.h: Likewise.
6029         * config/i386/cpuid.h: Likewise.
6030         * config/i386/cross-stdarg.h: Likewise.
6031         * config/i386/crtfastmath.c: Likewise.
6032         * config/i386/crtprec.c: Likewise.
6033         * config/i386/cygming-crtbegin.c: Likewise.
6034         * config/i386/cygming-crtend.c: Likewise.
6035         * config/i386/cygwin.asm: Likewise.
6036         * config/i386/emmintrin.h: Likewise.
6037         * config/i386/gmm_malloc.h: Likewise.
6038         * config/i386/gthr-win32.c: Likewise.
6039         * config/i386/i386.h: Likewise.
6040         * config/i386/immintrin.h: Likewise.
6041         * config/i386/linux-unwind.h: Likewise.
6042         * config/i386/linux64.h: Likewise.
6043         * config/i386/mm3dnow.h: Likewise.
6044         * config/i386/mmintrin-common.h: Likewise.
6045         * config/i386/mmintrin.h: Likewise.
6046         * config/i386/nmmintrin.h: Likewise.
6047         * config/i386/pmm_malloc.h: Likewise.
6048         * config/i386/pmmintrin.h: Likewise.
6049         * config/i386/smmintrin.h: Likewise.
6050         * config/i386/sol2-c1.asm: Likewise.
6051         * config/i386/sol2-ci.asm: Likewise.
6052         * config/i386/sol2-cn.asm: Likewise.
6053         * config/i386/sol2-gc1.asm: Likewise.
6054         * config/i386/tmmintrin.h: Likewise.
6055         * config/i386/unix.h: Likewise.
6056         * config/i386/w32-unwind.h: Likewise.
6057         * config/i386/wmmintrin.h: Likewise.
6058         * config/i386/x86-64.h: Likewise.
6059         * config/i386/x86intrin.h: Likewise.
6060         * config/i386/xmmintrin.h: Likewise.
6061         * config/ia64/crtbegin.asm: Likewise.
6062         * config/ia64/crtend.asm: Likewise.
6063         * config/ia64/crtfastmath.c: Likewise.
6064         * config/ia64/crti.asm: Likewise.
6065         * config/ia64/crtn.asm: Likewise.
6066         * config/ia64/fde-glibc.c: Likewise.
6067         * config/ia64/lib1funcs.asm: Likewise.
6068         * config/ia64/linux-unwind.h: Likewise.
6069         * config/ia64/quadlib.c: Likewise.
6070         * config/ia64/unwind-ia64.c: Likewise.
6071         * config/linux.h: Likewise.
6072         * config/m32c/m32c-lib1.S: Likewise.
6073         * config/m32c/m32c-lib2-trapv.c: Likewise.
6074         * config/m32c/m32c-lib2.c: Likewise.
6075         * config/m32r/initfini.c: Likewise.
6076         * config/m68hc11/larith.asm: Likewise.
6077         * config/m68hc11/m68hc11-crt0.S: Likewise.
6078         * config/m68k/cf.md: Likewise.
6079         * config/m68k/crti.s: Likewise.
6080         * config/m68k/crtn.s: Likewise.
6081         * config/m68k/lb1sf68.asm: Likewise.
6082         * config/m68k/linux-unwind.h: Likewise.
6083         * config/mcore/crti.asm: Likewise.
6084         * config/mcore/crtn.asm: Likewise.
6085         * config/mcore/lib1.asm: Likewise.
6086         * config/mips/linux-unwind.h: Likewise.
6087         * config/mips/loongson.h: Likewise.
6088         * config/mips/mips16.S: Likewise.
6089         * config/mmix/crti.asm: Likewise.
6090         * config/mmix/crtn.asm: Likewise.
6091         * config/pa/fptr.c: Likewise.
6092         * config/pa/hpux-unwind.h: Likewise.
6093         * config/pa/lib2funcs.asm: Likewise.
6094         * config/pa/linux-atomic.c: Likewise.
6095         * config/pa/linux-unwind.h: Likewise.
6096         * config/pa/milli64.S: Likewise.
6097         * config/pa/quadlib.c: Likewise.
6098         * config/pa/stublib.c: Likewise.
6099         * config/picochip/libgccExtras/adddi3.asm: Likewise.
6100         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
6101         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
6102         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
6103         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
6104         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
6105         * config/picochip/libgccExtras/divmod15.asm: Likewise.
6106         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
6107         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
6108         * config/picochip/libgccExtras/longjmp.asm: Likewise.
6109         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
6110         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
6111         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
6112         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
6113         * config/picochip/libgccExtras/setjmp.asm: Likewise.
6114         * config/picochip/libgccExtras/subdi3.asm: Likewise.
6115         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
6116         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
6117         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
6118         * config/rs6000/750cl.h: Likewise.
6119         * config/rs6000/altivec.h: Likewise.
6120         * config/rs6000/biarch64.h: Likewise.
6121         * config/rs6000/crtresfpr.asm: Likewise.
6122         * config/rs6000/crtresgpr.asm: Likewise.
6123         * config/rs6000/crtresxfpr.asm: Likewise.
6124         * config/rs6000/crtresxgpr.asm: Likewise.
6125         * config/rs6000/crtsavfpr.asm: Likewise.
6126         * config/rs6000/crtsavgpr.asm: Likewise.
6127         * config/rs6000/darwin-asm.h: Likewise.
6128         * config/rs6000/darwin-fallback.c: Likewise.
6129         * config/rs6000/darwin-fpsave.asm: Likewise.
6130         * config/rs6000/darwin-ldouble.c: Likewise.
6131         * config/rs6000/darwin-tramp.asm: Likewise.
6132         * config/rs6000/darwin-unwind.h: Likewise.
6133         * config/rs6000/darwin-vecsave.asm: Likewise.
6134         * config/rs6000/darwin-world.asm: Likewise.
6135         * config/rs6000/e500crtres32gpr.asm: Likewise.
6136         * config/rs6000/e500crtres64gpr.asm: Likewise.
6137         * config/rs6000/e500crtres64gprctr.asm: Likewise.
6138         * config/rs6000/e500crtrest32gpr.asm: Likewise.
6139         * config/rs6000/e500crtrest64gpr.asm: Likewise.
6140         * config/rs6000/e500crtresx32gpr.asm: Likewise.
6141         * config/rs6000/e500crtresx64gpr.asm: Likewise.
6142         * config/rs6000/e500crtsav32gpr.asm: Likewise.
6143         * config/rs6000/e500crtsav64gpr.asm: Likewise.
6144         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
6145         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
6146         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
6147         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
6148         * config/rs6000/eabi-ci.asm: Likewise.
6149         * config/rs6000/eabi-cn.asm: Likewise.
6150         * config/rs6000/eabi.asm: Likewise.
6151         * config/rs6000/linux-unwind.h: Likewise.
6152         * config/rs6000/linux64.h: Likewise.
6153         * config/rs6000/paired.h: Likewise.
6154         * config/rs6000/paired.md: Likewise.
6155         * config/rs6000/ppc64-fp.c: Likewise.
6156         * config/rs6000/ppu_intrinsics.h: Likewise.
6157         * config/rs6000/rs6000.h: Likewise.
6158         * config/rs6000/si2vmx.h: Likewise.
6159         * config/rs6000/sol-ci.asm: Likewise.
6160         * config/rs6000/sol-cn.asm: Likewise.
6161         * config/rs6000/spe.h: Likewise.
6162         * config/rs6000/spu2vmx.h: Likewise.
6163         * config/rs6000/sysv4.h: Likewise.
6164         * config/rs6000/tramp.asm: Likewise.
6165         * config/rs6000/vec_types.h: Likewise.
6166         * config/s390/linux-unwind.h: Likewise.
6167         * config/s390/tpf-unwind.h: Likewise.
6168         * config/score/crti.asm: Likewise.
6169         * config/score/crtn.asm: Likewise.
6170         * config/sh/crt1.asm: Likewise.
6171         * config/sh/crti.asm: Likewise.
6172         * config/sh/crtn.asm: Likewise.
6173         * config/sh/divtab-sh4-300.c: Likewise.
6174         * config/sh/divtab-sh4.c: Likewise.
6175         * config/sh/divtab.c: Likewise.
6176         * config/sh/lib1funcs-4-300.asm: Likewise.
6177         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
6178         * config/sh/lib1funcs.asm: Likewise.
6179         * config/sh/lib1funcs.h: Likewise.
6180         * config/sh/linux-atomic.asm: Likewise.
6181         * config/sh/linux-unwind.h: Likewise.
6182         * config/sh/shmedia.h: Likewise.
6183         * config/sh/sshmedia.h: Likewise.
6184         * config/sh/ushmedia.h: Likewise.
6185         * config/sparc/crtfastmath.c: Likewise.
6186         * config/sparc/linux-unwind.h: Likewise.
6187         * config/sparc/sol2-c1.asm: Likewise.
6188         * config/sparc/sol2-ci.asm: Likewise.
6189         * config/sparc/sol2-cn.asm: Likewise.
6190         * config/spu/divmodti4.c: Likewise.
6191         * config/spu/divv2df3.c: Likewise.
6192         * config/spu/float_disf.c: Likewise.
6193         * config/spu/float_unsdidf.c: Likewise.
6194         * config/spu/float_unsdisf.c: Likewise.
6195         * config/spu/float_unssidf.c: Likewise.
6196         * config/spu/mfc_multi_tag_release.c: Likewise.
6197         * config/spu/mfc_multi_tag_reserve.c: Likewise.
6198         * config/spu/mfc_tag_release.c: Likewise.
6199         * config/spu/mfc_tag_reserve.c: Likewise.
6200         * config/spu/mfc_tag_table.c: Likewise.
6201         * config/spu/multi3.c: Likewise.
6202         * config/spu/spu_internals.h: Likewise.
6203         * config/spu/spu_intrinsics.h: Likewise.
6204         * config/spu/spu_mfcio.h: Likewise.
6205         * config/spu/vec_types.h: Likewise.
6206         * config/spu/vmx2spu.h: Likewise.
6207         * config/stormy16/stormy16-lib2.c: Likewise.
6208         * config/svr4.h: Likewise.
6209         * config/sync.c: Likewise.
6210         * config/v850/lib1funcs.asm: Likewise.
6211         * config/vxlib-tls.c: Likewise.
6212         * config/vxlib.c: Likewise.
6213         * config/vxworks-dummy.h: Likewise.
6214         * config/xtensa/crti.asm: Likewise.
6215         * config/xtensa/crtn.asm: Likewise.
6216         * config/xtensa/ieee754-df.S: Likewise.
6217         * config/xtensa/ieee754-sf.S: Likewise.
6218         * config/xtensa/lib1funcs.asm: Likewise.
6219         * config/xtensa/lib2funcs.S: Likewise.
6220         * config/xtensa/linux-unwind.h: Likewise.
6221         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
6222         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
6223         * coretypes.h: Likewise.
6224         * crtstuff.c: Likewise.
6225         * defaults.h: Likewise.
6226         * dwarf2.h: Likewise.
6227         * emutls.c: Likewise.
6228         * gbl-ctors.h: Likewise.
6229         * gcov-io.h: Likewise.
6230         * ginclude/float.h: Likewise.
6231         * ginclude/iso646.h: Likewise.
6232         * ginclude/stdarg.h: Likewise.
6233         * ginclude/stdbool.h: Likewise.
6234         * ginclude/stddef.h: Likewise.
6235         * ginclude/stdfix.h: Likewise.
6236         * ginclude/stdint-gcc.h: Likewise.
6237         * ginclude/tgmath.h: Likewise.
6238         * gthr-aix.h: Likewise.
6239         * gthr-dce.h: Likewise.
6240         * gthr-gnat.c: Likewise.
6241         * gthr-gnat.h: Likewise.
6242         * gthr-lynx.h: Likewise.
6243         * gthr-mipssde.h: Likewise.
6244         * gthr-nks.h: Likewise.
6245         * gthr-posix.c: Likewise.
6246         * gthr-posix.h: Likewise.
6247         * gthr-posix95.h: Likewise.
6248         * gthr-rtems.h: Likewise.
6249         * gthr-single.h: Likewise.
6250         * gthr-solaris.h: Likewise.
6251         * gthr-tpf.h: Likewise.
6252         * gthr-vxworks.h: Likewise.
6253         * gthr-win32.h: Likewise.
6254         * gthr.h: Likewise.
6255         * libgcc2.c: Likewise.
6256         * libgcc2.h: Likewise.
6257         * libgcov.c: Likewise.
6258         * tsystem.h: Likewise.
6259         * typeclass.h: Likewise.
6260         * unwind-c.c: Likewise.
6261         * unwind-compat.h: Likewise.
6262         * unwind-dw2-fde-compat.c: Likewise.
6263         * unwind-dw2-fde-darwin.c: Likewise.
6264         * unwind-dw2-fde-glibc.c: Likewise.
6265         * unwind-dw2-fde.c: Likewise.
6266         * unwind-dw2-fde.h: Likewise.
6267         * unwind-dw2.c: Likewise.
6268         * unwind-dw2.h: Likewise.
6269         * unwind-generic.h: Likewise.
6270         * unwind-pe.h: Likewise.
6271         * unwind-sjlj.c: Likewise.
6272         * unwind.inc: Likewise.
6273         * config/arm/neon-gen.ml: Change generated copyright header to
6274         refer to version 3 of the GNU General Public License with
6275         version 3.1 of the GCC Runtime Library Exception and to point
6276         readers at the COPYING3 and COPYING3.RUNTIME files and the
6277         FSF's license web page.
6278         * config/arm/arm_neon.h: Regenerate.
6279
6280 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
6281
6282         * config/cris/cris.md: Change copyright header to refer to version
6283         3 of the GNU General Public License.
6284         * doc/install.texi2html: Change copyright header to refer to version
6285         3 of the GNU General Public License and to point readers at the
6286         COPYING3 file and the FSF's license web page.
6287         * config/vax/linux.h: Likewise.
6288
6289 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
6290
6291         * config/i386/i386.md (cmpcc): New.
6292         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
6293         (sync_compare_and_swap_cc*): Delete.
6294
6295         * config/s390/s390.c (s390_compare_emitted): Remove.
6296         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
6297         s390_compare_emitted used to be handled.  Assert that modes match.
6298         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
6299         refer to sync_compare_and_swap_ccsi.
6300         * config/s390/s390.h (s390_compare_emitted): Remove.
6301         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
6302         instead of s390_compare_emitted.
6303         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
6304         instead of s390_compare_emitted.
6305         * config/s390/s390.md (cmpcc): New.
6306         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
6307         CC_REGNUM, do not pretend it's set.
6308         (sync_compare_and_swap_cc*): Delete.
6309         * config/s390/predicates.md (cc_reg_operand): New.
6310
6311         * expr.c (sync_compare_and_swap_cc): Delete.
6312         * optabs.h (sync_compare_and_swap_cc): Delete.
6313         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
6314         is being used with can_compare_p.
6315         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
6316         (find_cc_set): New.
6317         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
6318         look for a MODE_CC set instead.  Use emit_store_flag.
6319         (expand_compare_and_swap_loop): Likewise, with some additional
6320         complication to avoid a force_reg when useless.  Use
6321         emit_cmp_and_jump_insns.
6322         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
6323         * doc/md.texi (sync_compare_and_swap_cc): Merge with
6324         sync_compare_and_swap documentation.
6325
6326 2009-04-09  Jan Hubicka  <jh@suse.cz>
6327
6328         * except.c (find_prev_try): Break out from ....
6329         (duplicate_eh_regions): ... here; properly update prev_try pointers
6330         when duplication part of tree.
6331         (dump_eh_tree): Improve dumping.
6332         (verify_eh_region): New.
6333         (verify_eh_tree): Use it.
6334
6335 2009-04-06  Richard Guenther  <rguenther@suse.de>
6336
6337         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
6338         &ARRAY addresses by adjusting their types and prepending
6339         a conversion.
6340         * tree-cfg.c (verify_gimple_assign_single): Verify that
6341         addresses are correct.
6342
6343 2009-04-09  Richard Guenther  <rguenther@suse.de>
6344
6345         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
6346         indices into an array reference if possible.
6347         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
6348         Fold POINTER_PLUS_EXPR statements with invariant address.
6349
6350 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
6351
6352         PR target/39634
6353         * config.gcc (powerpc64-*-linux*): Always build biarch.
6354
6355 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
6356
6357         PR c/39613
6358         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
6359         it and pedwarn if this results in an INTEGER_CST.
6360
6361 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6362
6363         * doc/install.texi: Update minimum GMP version.  Remove obsolete
6364         text in MPFR section.
6365
6366 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
6367
6368         * dwarf2out.c (class_scope_p): New static inline.
6369         (class_or_namespace_scope_p): Use it.
6370         (gen_variable_die): Use DW_TAG_member tag for static data member
6371         declarations instead of DW_TAG_variable.
6372
6373         PR middle-end/39573
6374         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
6375         variables.
6376
6377 2009-04-08  Richard Guenther  <rguenther@suse.de>
6378
6379         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
6380         valueize random data.
6381
6382 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
6383
6384         * config.gcc (aix tm_file):  Add aix-stdint.h.
6385         (aix tm clause use_gcc_stdint):  Set to wrap.
6386         * config/rs6000/aix-stdint.h:  New file.
6387
6388 2009-04-08  Richard Guenther  <rguenther@suse.de>
6389
6390         PR middle-end/36291
6391         * tree-dfa.c (add_referenced_var): Do not recurse into
6392         global initializers.
6393         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
6394         exposed variables.
6395         (fold_const_aggregate_ref): Likewise.
6396
6397 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
6398
6399         * recog.c (ordered_comparison_operator): New.
6400         * gensupport.c (std_preds): Add it.
6401         * doc/md.texi (Machine-Independent Predicates): Document it.
6402
6403 2009-04-08  Jan Hubicka  <jh@suse.cz>
6404
6405         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
6406         * function.h (rtl_eh): Remove exception_handler_label_map.
6407         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
6408         remove_exception_handler_label, for_each_eh_label_1): Remove.
6409         (rtl_remove_unreachable_regions): Remove.
6410         (convert_from_eh_region_ranges): Do not remove unreachable regions.
6411         (find_exception_handler_labels): Don't build the hashtable.
6412         (maybe_remove_eh_handler): Remove.
6413         (for_each_eh_label): Rewrite to walk the tree.
6414         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
6415         * except.h (maybe_remove_eh_handler): Remove.
6416         * passes.c (init_optimization_passes): Schedule second EH cleanup
6417         before out-of-ssa.
6418         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
6419         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
6420
6421 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
6422
6423         * genoutput.c (validate_optab_operands): New.
6424         (gen_insn, gen_expand): Call it.
6425
6426         * genflags.c (gen_insn): Detect misused iterators.
6427         (main): Pass line_no to gen_insn, exit with status 1 on error.
6428
6429         * genextract.c (line_no): Make global.
6430         (VEC_safe_set_locstr): Change assertion to error message.
6431         (main): Exit with status 1 on error.
6432
6433 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
6434
6435         PR c/39614
6436         PR c/39673
6437         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
6438         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
6439         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
6440         * c-convert.c (convert): Do not call fold on results of conversion
6441         functions when the result is a C_MAYBE_CONST_EXPR.
6442         * c-parser.c (c_parser_postfix_expression): Do not fold condition
6443         of __builtin_choose_expr.
6444         * c-typeck.c (remove_c_maybe_const_expr): New.
6445         (build_unary_op, build_conditional_expr, build_compound_expr,
6446         build_binary_op, c_objc_common_truthvalue_conversion): Call
6447         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
6448         integer operands.
6449
6450 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
6451
6452         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
6453         CODE to produce a new one. Add a prototype to use fold_convert_const
6454
6455 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
6456
6457         PR bootstrap/39660
6458         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
6459         mix declarations and code.
6460
6461 2009-04-08  Ben Elliston  <bje@au.ibm.com>
6462
6463         * gcc.c: Replace `CC' with `GCC' throughout.
6464
6465 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
6466
6467         * doc/invoke.texi: Document Atom support.
6468
6469 2009-04-07  Jason Merrill  <jason@redhat.com>
6470
6471         PR c++/25185
6472         * c-common.h, c-common.c: Add flag_pretty_templates.
6473         * c-opts.c (c_common_handle_option): Set it.
6474         * c.opt: Add -fno-pretty-templates.
6475         * doc/invoke.texi (C++ Dialect Options): Likewise.
6476
6477 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
6478
6479         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
6480         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
6481         (ia64_expand_builtin): Likewise.
6482
6483 2009-04-07  Martin Jambor  <mjambor@suse.cz>
6484
6485         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
6486         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
6487         ADDR_EXPRS are include too.
6488
6489 2009-04-07  Richard Guenther  <rguenther@suse.de>
6490
6491         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
6492         decls are only used if passes as parameters or if they are
6493         local statics and the call is not to a builtin.
6494         (call_may_clobber_ref_p_1): Likewise.
6495
6496 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6497
6498         * expr.c (do_store_flag): Remove last argument.  Simplify code
6499         to avoid duplication of tests already done by can_compare_p.
6500         (expand_expr_real_1): Adjust caller.
6501
6502 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6503
6504         * optabs.c (can_compare_p): Test the predicate of a
6505         cbranch and cstore pattern.
6506
6507 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6508
6509         * expr.c (convert_move): Use emit_store_flag instead of
6510         "emulating" it.
6511
6512 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6513
6514         * config/i386/i386.c (ix86_compare_emitted): Remove.
6515         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
6516         ix86_compare_op0 like ix86_compare_emitted used to be handled.
6517         * config/i386/i386.h (ix86_compare_emitted): Remove.
6518         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
6519         instead of ix86_compare_emitted.
6520         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
6521
6522 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
6523
6524         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
6525         Add t-sysroot-suffix to tmake_file.
6526         * config/print-sysroot-suffix.sh: New file.
6527         * config/t-sysroot-suffix: New file.
6528
6529 2009-04-07  Ben Elliston  <bje@au.ibm.com>
6530
6531         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
6532         as the latter produces a warning when the target does not support
6533         infinity.
6534
6535 2009-04-07  Ben Elliston  <bje@au.ibm.com>
6536
6537         * dfp.c: Replace type punning assignments with memcpy throughout.
6538         * Makefile.in (dfp.o-warn): Remove.
6539
6540 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
6541
6542         PR target/39634
6543         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
6544         Include soft-fp/t-softfp after rs6000/t-linux64.
6545
6546 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
6547
6548         * stor-layout.c (set_sizetype): Use the full precision of their
6549         machine mode for bitsize types.
6550
6551 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
6552
6553         * config/i386/i386.md: Revert 2 accidental checkins.
6554
6555 2009-04-06  Joey Ye  <joey.ye@intel.com>
6556             Xuepeng Guo  <xuepeng.guo@intel.com>
6557             H.J. Lu  <hongjiu.lu@intel.com>
6558
6559         Atom pipeline model, tuning and insn selection.
6560         * config.gcc (atom): Add atom config options and target.
6561
6562         * config/i386/atom.md: New.
6563
6564         * config/i386/i386.c (atom_cost): New cost.
6565         (m_ATOM): New macro flag.
6566         (initial_ix86_tune_features): Set m_ATOM.
6567         (x86_accumulate_outgoing_args): Likewise.
6568         (x86_arch_always_fancy_math_387): Likewise.
6569         (processor_target): Add Atom cost.
6570         (cpu_names): Add Atom cpu name.
6571         (override_options): Set Atom ISA.
6572         (ix86_issue_rate): New case PROCESSOR_ATOM.
6573         (ix86_adjust_cost): Likewise.
6574
6575         * config/i386/i386.h (TARGET_ATOM): New target macro.
6576         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
6577         (TARGET_OPT_AGU): New target option.
6578         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
6579         (processor_type): Add PROCESSOR_ATOM.
6580
6581         * config/i386/i386.md (cpu): Add new value "atom".
6582         (use_carry, movu): New attr.
6583         (atom.md): Include atom.md.
6584         (adddi3_carry_rex64): Set attr "use_carry".
6585         (addqi3_carry): Likewise.
6586         (addhi3_carry): Likewise.
6587         (addsi3_carry): Likewise.
6588         (*addsi3_carry_zext): Likewise.
6589         (subdi3_carry_rex64): Likewise.
6590         (subqi3_carry): Likewise.
6591         (subhi3_carry): Likewise.
6592         (subsi3_carry): Likewise.
6593         (x86_movdicc_0_m1_rex64): Likewise.
6594         (*x86_movdicc_0_m1_se): Likewise.
6595         (x86_movsicc_0_m1): Likewise.
6596         (*x86_movsicc_0_m1_se): Likewise.
6597         (*adddi_1_rex64): Emit add insn as much as possible.
6598         (*addsi_1): Likewise.
6599         (return_internal): Set atom_unit.
6600         (return_internal_long): Likewise.
6601         (return_pop_internal): Likewise.
6602         (*rcpsf2_sse): Set atom_sse_attr attr.
6603         (*qrt<mode>2_sse): Likewise.
6604         (*prefetch_sse): Likewise.
6605
6606         * config/i386/i386-c.c (ix86_target_macros_internal): New case
6607         PROCESSOR_ATOM.
6608         (ix86_target_macros_internal): Likewise.
6609
6610         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
6611         (*prefetch_sse_rex): Likewise.
6612         (sse_rcpv4sf2): Likewise.
6613         (sse_vmrcpv4sf2): Likewise.
6614         (sse_sqrtv4sf2): Likewise.
6615         (<sse>_vmsqrt<mode>2): Likewise.
6616         (sse_ldmxcsr): Likewise.
6617         (sse_stmxcsr): Likewise.
6618         (*sse_sfence): Likewise.
6619         (sse2_clflush): Likewise.
6620         (*sse2_mfence): Likewise.
6621         (*sse2_lfence): Likewise.
6622         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
6623         (<sse>_movup<ssemodesuffixf2c>): Likewise.
6624         (avx_movdqu<avxmodesuffix>): Likewise.
6625         (avx_lddqu<avxmodesuffix>): Likewise.
6626         (sse2_movntv2di): Change attr "type" to "ssemov".
6627         (sse2_movntsi): Likewise.
6628         (rsqrtv8sf2): Change attr "type" to "sseadd".
6629         (sse3_addsubv2df3): Set attr "atom_unit".
6630         (sse3_h<plusminus_insn>v4sf3): Likewise.
6631         (*sse2_pmaddwd): Likewise.
6632         (*vec_extractv2di_1_rex64): Likewise.
6633         (*vec_extractv2di_1_avx): Likewise.
6634         (sse2_psadbw): Likewise.
6635         (ssse3_phaddwv8hi3): Likewise.
6636         (ssse3_phaddwv4hi3): Likewise.
6637         (ssse3_phadddv4si3): Likewise.
6638         (ssse3_phadddv2si3): Likewise.
6639         (ssse3_phaddswv8hi3): Likewise.
6640         (ssse3_phaddswv4hi3): Likewise.
6641         (ssse3_phsubwv8hi3): Likewise.
6642         (ssse3_phsubwv4hi3): Likewise.
6643         (ssse3_phsubdv4si3): Likewise.
6644         (ssse3_phsubdv2si3): Likewise.
6645         (ssse3_phsubswv8hi3): Likewise.
6646         (ssse3_phsubswv4hi3): Likewise.
6647         (ssse3_pmaddubsw128): Likewise.
6648         (sse3_pmaddubsw: Likewise.
6649         (ssse3_palignrti): Likewise.
6650         (ssse3_palignrdi): Likewise.
6651
6652 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
6653
6654         * doc/install.texi (Specific): Fix two cross-references to MinGW.
6655
6656 2009-04-06  Richard Guenther  <rguenther@suse.de>
6657
6658         PR tree-optimization/28868
6659         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
6660         of which PHI results we inserted.
6661         (insert_into_preds_of_block): Record inserted PHIs.
6662         (eliminate): Eliminate redundant PHI nodes.
6663         (init_pre): Init inserted_phi_names.
6664
6665 2009-04-06  Richard Guenther  <rguenther@suse.de>
6666
6667         PR tree-optimization/39643
6668         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
6669         IMAGPART_EXPRs of complex constants.
6670         (execute_fold_all_builtins): If we folded a call queue
6671         TODO_update_address_taken.
6672
6673 2009-04-06  Jan Hubicka  <jh@suse.cz>
6674
6675         PR middle-end/39659
6676         * except.c (remove_unreachable_regions): Propagate may_contain_throw
6677         flag.
6678
6679 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
6680
6681         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
6682         delay slot.
6683         (ic_invalidate_array): Likewise.
6684
6685 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
6686
6687         * calls.c (emit_library_call_value_1): Fix a problem with parameter
6688         alignment for library calls.
6689
6690 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
6691
6692         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
6693         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
6694         * config/i386/mingw-stdint.h:  New file.
6695
6696 2009-04-05  Richard Guenther  <rguenther@suse.de>
6697
6698         PR tree-optimization/39648
6699         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
6700         our &A vs. &A[0] IL deficiencies.
6701
6702 2009-04-04  Jan Hubicka  <jh@suse.cz>
6703
6704         * except.c (sjlj_find_directly_reachable_regions): Be ready for
6705         removed toplevel regions.
6706         (sjlj_mark_call_sites): Likewise.
6707
6708 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
6709
6710         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
6711         (cygwin tm clause use_gcc_stdint):  Set to wrap.
6712         * config/i386/cygwin-stdint.h:  New file.
6713
6714 2009-04-04  Richard Guenther  <rguenther@suse.de>
6715
6716         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
6717         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
6718         single-argument PHIs if we are in loop-closed SSA form.
6719         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
6720         for the pre-condition.
6721         (slpeel_tree_peel_loop_to_edge): Likewise.
6722         (vect_build_loop_niters): Take an optional sequence to append stmts.
6723         (vect_generate_tmps_on_preheader): Likewise.
6724         (vect_do_peeling_for_loop_bound): Take extra guards for the
6725         pre-condition.
6726         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
6727         the cost model check.
6728         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
6729         guards if we are going to peel.  Do not apply versioning in that case.
6730         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
6731         (vect_do_peeling_for_loop_bound): Likewise.
6732         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
6733         loop bound only record extra pre-conditions, do not apply loop
6734         versioning.
6735
6736 2009-04-04  Richard Guenther  <rguenther@suse.de>
6737
6738         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
6739         renaming code.
6740
6741 2009-04-04  Jan Hubicka  <jh@suse.cz>
6742
6743         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
6744         last_basic_block for size of bb->index indexed array.
6745         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
6746         compute_out, link_btr_uses, build_btr_def_use_webs,
6747         build_btr_def_use_webs, migrate_btr_defs): Likewise.
6748
6749 2009-04-04  Jan Hubicka  <jh@suse.cz>
6750
6751         * except.c (remove_eh_handler_and_replace): Break out from ...
6752         (remove_eh_handler): ... here.
6753         (bring_to_root): New function.
6754         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
6755         handled ones, bring others to root of tree.
6756
6757 2009-04-04  Jan Hubicka  <jh@suse.cz>
6758
6759         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
6760         (all_phis_safe_to_merge): New function.
6761         (update_info): New structure.
6762         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
6763         (cleanup_empty_eh): Update SSA if possible.
6764
6765 2009-04-04  Richard Guenther  <rguenther@suse.de>
6766
6767         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
6768         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
6769         (append_vuse): Likewise.
6770
6771 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
6772
6773         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
6774         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
6775         instead of REG_UNSAVED for DW_CFA_undefined.
6776         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
6777         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
6778         outermost frame.
6779
6780 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
6781
6782         PR target/39501
6783         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
6784         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
6785         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
6786
6787 2009-04-04  Richard Guenther  <rguenther@suse.de>
6788
6789         PR tree-optimization/8781
6790         PR tree-optimization/37892
6791         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
6792         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
6793         (valueize_refs): Call it for *& valueizations.
6794         (shared_reference_ops_from_ref): Rename to ...
6795         (valueize_shared_reference_ops_from_ref): ... this and valueize.
6796         (shared_reference_ops_from_call): Rename to ...
6797         (valueize_shared_reference_ops_from_call): ... this and valueize.
6798         (vn_reference_lookup): Update.
6799         (visit_reference_op_call): Likewise.
6800         * tree-ssa-pre.c (phi_translate_1): Fold *&.
6801         (eliminate): Value-replace the call address in call statements.
6802
6803 2009-04-04  Richard Guenther  <rguenther@suse.de>
6804
6805         PR tree-optimization/39636
6806         * tree-ssa-forwprop.c
6807         (forward_propagate_addr_into_variable_array_index): Check for
6808         GIMPLE_ASSIGN before accessing the rhs code.
6809
6810 2009-04-03  Jason Merrill  <jason@redhat.com>
6811
6812         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
6813
6814 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
6815
6816         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
6817         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
6818         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
6819         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
6820         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
6821         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
6822         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
6823         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
6824         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
6825         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
6826         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
6827         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
6828         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
6829         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
6830         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
6831         Use fr_reg_or_fp01_operand instead of fr_register_operand
6832
6833         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
6834         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
6835         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
6836
6837 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
6838
6839         PR rtl-optimization/39607
6840         PR rtl-optimization/39631
6841
6842         Revert:
6843
6844         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
6845         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
6846         instead of DF_LR_OUT.
6847         * ira-lives.c (process_bb_node_lives): Ditto.
6848         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
6849         instead of DF_LR_{OUT,IN}.
6850         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
6851         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
6852
6853 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
6854
6855         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
6856         (execute_lower_omp): Always run but take the short way out if -fopenmp
6857         is not given.
6858         (gate_lower_omp): Remove, forcing the pass manager to always run the
6859         pass and always set PROP_gimple_lomp.
6860         (pass_lower_omp): Remove gate function.
6861         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
6862         PROP_trees.  Instead, require it.
6863         * ipa-cp.c (pass_ipa_cp): Likewise.
6864         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
6865         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
6866         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
6867         and PROP_gimple_leh.
6868
6869 2009-04-03  Richard Guenther  <rguenther@suse.de>
6870
6871         PR middle-end/13146
6872         PR tree-optimization/23940
6873         PR tree-optimization/33237
6874         PR middle-end/33974
6875         PR middle-end/34093
6876         PR tree-optimization/36201
6877         PR tree-optimization/36230
6878         PR tree-optimization/38049
6879         PR tree-optimization/38207
6880         PR tree-optimization/38230
6881         PR tree-optimization/38301
6882         PR tree-optimization/38585
6883         PR middle-end/38895
6884         PR tree-optimization/38985
6885         PR tree-optimization/39299
6886         * tree-ssa-structalias.h: Remove.
6887         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
6888         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
6889         (struct vuse_element_d): Remove.
6890         (struct vuse_vec_d): Likewise.
6891         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
6892         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
6893         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
6894         VUSE_ELEMENT_VAR): Likewise.
6895         (struct voptype_d): Likewise.
6896         (NUM_VOP_FREE_BUCKETS): Likewise.
6897         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
6898         (struct stmt_operands_d): Remove.
6899         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
6900         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
6901         VDEF_NUM, VDEF_VECT): Likewise.
6902         (copy_virtual_operands): Remove.
6903         (operand_build_cmp): Likewise.
6904         (create_ssa_artificial_load_stmt): Likewise.
6905         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
6906         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
6907         vuse_index and mayuse_index members.  Pack and move done and iter_type
6908         members to the front.
6909         (SSA_OP_VMAYUSE): Remove.
6910         (SSA_OP_VIRTUAL_USES): Adjust.
6911         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
6912         (unlink_stmt_vdef): Declare.
6913         (add_to_addressable_set): Remove.
6914         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
6915         (vrp_visit_stmt): Likewise.
6916         * doc/tree-ssa.texi (Alias analysis): Update.
6917         * doc/invoke.texi (max-aliased-vops): Remove docs.
6918         (avg-aliased-vops): Likewise.
6919         * tree-into-ssa.c (syms_to_rename): Remove.
6920         (need_to_update_vops_p): Likewise.
6921         (need_to_initialize_update_ssa_p): Rename to ...
6922         (update_ssa_initialized_fn): ... this.  Track function we are
6923         initialized for.
6924         (symbol_marked_for_renaming): Simplify.
6925         (add_new_name_mapping): Do not set need_to_update_vops_p.
6926         (dump_currdefs): Use SYMS_TO_RENAME.
6927         (rewrite_update_stmt): Always walk all uses/defs.
6928         (dump_update_ssa): Adjust.
6929         (init_update_ssa): Take function argument.  Track what we are
6930         initialized for.
6931         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
6932         (create_new_def_for): Initialize for cfun, assert we are initialized
6933         for cfun.
6934         (mark_sym_for_renaming): Simplify.
6935         (mark_set_for_renaming): Do not initialize update-ssa.
6936         (need_ssa_update_p): Simplify.  Take function argument.
6937         (name_mappings_registered_p): Assert we ask for the correct function.
6938         (name_registered_for_update_p): Likewise.
6939         (ssa_names_to_replace): Likewise.
6940         (release_ssa_name_after_update_ssa): Likewise.
6941         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
6942         (dump_decl_set): Do not print a newline.
6943         (debug_decl_set): Do it here.
6944         (dump_update_ssa): And here.
6945         * tree-ssa-loop-im.c (move_computations): Adjust.
6946         (movement_possibility): Likewise.
6947         (determine_max_movement): Likewise.
6948         (gather_mem_refs_stmt): Likewise.
6949         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
6950         or NAME_MEMORY_TAG.
6951         * tree-complex.c (update_all_vops): Remove.
6952         (expand_complex_move): Adjust.
6953         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
6954         Simplify test for memory referencing statement.  Exclude
6955         non-invariant ADDR_EXPRs.
6956         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
6957         * tree-loop-distribution.c (generate_memset_zero): Adjust.
6958         (rdg_flag_uses): Likewise.
6959         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
6960         related code.
6961         (tree_optimize_tail_calls_1): Also split the
6962         edge from the entry block if we have degenerate PHI nodes in
6963         the first basic block.
6964         * tree.c (init_ttree): Remove memory-tag related code.
6965         (tree_code_size): Likewise.
6966         (tree_node_structure): Likewise.
6967         (build7_stat): Re-write to be build6_stat.
6968         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
6969         (SSA_VAR_P): Adjust.
6970         (struct tree_memory_tag): Remove.
6971         (struct tree_memory_partition_tag): Likewise.
6972         (union tree_node): Adjust.
6973         (build7): Re-write to be build6.
6974         * tree-pass.h (pass_reset_cc_flags): Remove.
6975         (TODO_update_address_taken): New flag.
6976         (pass_simple_dse): Remove.
6977         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
6978         * params.h (MAX_ALIASED_VOPS): Remove.
6979         (AVG_ALIASED_VOPS): Likewise.
6980         * omp-low.c (expand_omp_taskreg): Update SSA form.
6981         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
6982         aliases the lhs in a copy stmt.
6983         * tree-ssa-dse.c (struct address_walk_data): Remove.
6984         (memory_ssa_name_same): Likewise.
6985         (memory_address_same): Likewise.
6986         (get_kill_of_stmt_lhs): Likewise.
6987         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
6988         unused stores.  Look through PHI nodes into post-dominated regions.
6989         (dse_optimize_stmt): Simplify.  Properly remove stores.
6990         (tree_ssa_dse): Compute dominators.
6991         (execute_simple_dse): Remove.
6992         (pass_simple_dse): Likewise.
6993         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
6994         gimple_loaded_syms and gimple_stored_syms computation.
6995         * toplev.c (dump_memory_report): Dump alias and pta stats.
6996         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
6997         (vn_reference_eq): Likewise.
6998         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
6999         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
7000         valueize_vuses): Remove.
7001         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
7002         (get_def_ref_stmt_vuse): ... this.
7003         (vn_reference_lookup_2): New function.
7004         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
7005         walking equivalent vuses.  Simplify.
7006         (vn_reference_lookup): Likewise.
7007         (vn_reference_insert): Likewise.
7008         (vn_reference_insert_pieces): Likewise.
7009         (visit_reference_op_call): Simplify.
7010         (visit_reference_op_load): Likewise.
7011         (visit_reference_op_store): Likewise.
7012         (init_scc_vn): Remove shared_lookup_vuses initialization.
7013         (free_scc_vn): Remove shared_lookup_vuses freeing.
7014         (sort_vuses, sort_vuses_heap): Remove.
7015         (get_ref_from_reference_ops): Export.
7016         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
7017         vector with single vuse pointer.
7018         (vn_reference_lookup_pieces, vn_reference_lookup,
7019         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
7020         (shared_vuses_from_stmt): Remove.
7021         (get_ref_from_reference_ops): Declare.
7022         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
7023         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
7024         memory-tag related code.
7025         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
7026         (likely_value): Add comment, skip static-chain of call statements.
7027         (surely_varying_stmt_p): Adjust.
7028         (gimplify_and_update_call_from_tree): Likewise.
7029         (execute_fold_all_builtins): Do not rebuild alias info.
7030         (gimplify_and_update_call_from_tree): Properly update VOPs.
7031         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
7032         (copy_ref_info): Remove memory-tag related code.
7033         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
7034         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
7035         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
7036         computation.
7037         * tree-ssa-dom.c (gimple_p): Remove typedef.
7038         (eliminate_redundant_computations): Adjust.
7039         (record_equivalences_from_stmt): Likewise.
7040         (avail_expr_hash): Likewise.
7041         (avail_expr_eq): Likewise.
7042         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
7043         (stmt_makes_single_load): Likewise.
7044         (stmt_makes_single_store): Likewise.
7045         * tree-ssa-alias.c: Rewrite completely.
7046         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
7047         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
7048         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
7049         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
7050         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
7051         Remove public functions.
7052         (pass_reset_cc_flags): Remove.
7053         (pass_build_alias): Move ...
7054         * tree-ssa-structalias.c (pass_build_alias): ... here.
7055         * tree-ssa-alias.c (may_be_aliased): Move ...
7056         * tree-flow-inline.h (may_be_aliased): ... here.
7057         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
7058         count_uses_and_derefs): Move ...
7059         * gimple.c: ... here.
7060         * gimple.h (count_uses_and_derefs): Declare.
7061         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
7062         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
7063         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
7064         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
7065         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
7066         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
7067         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
7068         New functions.
7069         * tree-dfa.c (refs_may_alias_p): Move ...
7070         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
7071         * tree-ssa-alias.h: New file.
7072         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
7073         (statement_sink_location): Likewise.
7074         * opts.c (decode_options): Do not adjust max-aliased-vops or
7075         avg-aliased-vops values.
7076         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
7077         (TV_CALL_CLOBBER): Likewise.
7078         (TV_FLOW_SENSITIVE): Likewise.
7079         (TV_FLOW_INSENSITIVE): Likewise.
7080         (TV_MEMORY_PARTITIONING): Likewise.
7081         (TV_ALIAS_STMT_WALK): New timevar.
7082         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
7083         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
7084         (get_address_description): Remove memory-tag related code.
7085         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
7086         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
7087         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
7088         and immediate uses in statements.  Document.
7089         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
7090         (dump_symbols): Remove.
7091         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
7092         * alias.c (get_deref_alias_set): New function split out from ...
7093         (get_alias_set): ... here.
7094         * alias.h (get_deref_alias_set): Declare.
7095         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
7096         type parameter.  Remove restrict pointer handling.  Create a
7097         ref-all pointer in case type-based alias sets do not conflict.
7098         (vect_analyze_data_refs): Remove SMT related code.
7099         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
7100         (vectorizable_load): Likewise.
7101         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
7102         (DR_SYMBOL_TAG, DR_VOPS): Remove.
7103         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
7104         Ignore vops and SMTs.
7105         (dr_analyze_alias): Likewise..
7106         (free_data_ref): Likewise.
7107         (create_data_ref): Likewise.
7108         (analyze_all_data_dependences): Likewise.
7109         (get_references_in_stmt): Adjust.
7110         * tree-flow-inline.h (gimple_aliases_computed_p,
7111         gimple_addressable_vars, gimple_call_clobbered_vars,
7112         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
7113         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
7114         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
7115         gimple_mem_ref_stats): Remove.
7116         (gimple_vop): New function.
7117         (op_iter_next_use): Remove vuses and mayuses cases.
7118         (op_iter_next_def): Remove vdefs case.
7119         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
7120         (clear_and_done_ssa_iter): Do not set removed fields.
7121         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
7122         Assert we are not iterating over vuses or vdefs if not also
7123         iterating over uses or defs.
7124         (op_iter_init_use): Likewise.
7125         (op_iter_init_def): Likewise.
7126         (op_iter_next_vdef): Remove.
7127         (op_iter_next_mustdef): Likewise.
7128         (op_iter_init_vdef): Likewise.
7129         (compare_ssa_operands_equal): Likewise.
7130         (link_use_stmts_after): Handle vuse operand.
7131         (is_call_used): Use is_call_clobbered.
7132         (is_call_clobbered): Global variables are always call clobbered,
7133         query the call-clobbers bitmap.
7134         (mark_call_clobbered): Ignore global variables.
7135         (clear_call_clobbered): Likewise.
7136         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
7137         virtual operands sanity check.
7138         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
7139         Remove.
7140         (TARGET_MEM_REF): Remove TMR_TAG operand.
7141         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
7142         Remove call-clobber related code.
7143         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
7144         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
7145         partitions or escape reason.
7146         (get_single_def_stmt, get_single_def_stmt_from_phi,
7147         get_single_def_stmt_with_phi): Remove.
7148         (dump_referenced_vars): Tidy.
7149         (get_ref_base_and_extent): Allow bare decls.
7150         (collect_dfa_stats): Adjust.
7151         * graphite.c (rename_variables_in_stmt): Adjust.
7152         (graphite_copy_stmts_from_block): Likewise.
7153         (translate_clast): Likewise.
7154         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
7155         (EXPR_DIES): New.
7156         (translate_vuse_through_block): Use the oracle.
7157         (phi_translate_1): Adjust.
7158         (value_dies_in_block_x): Use the oracle.  Cache the outcome
7159         in EXPR_DIES.
7160         (valid_in_sets): Check if the VUSE for
7161         a REFERENCE is available.
7162         (eliminate): Do not remove stmts during elimination,
7163         instead queue and remove them afterwards.
7164         (do_pre): Do not rebuild alias info.
7165         (pass_pre): Run TODO_rebuild_alias before PRE.
7166         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
7167         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
7168         (mark_all_v_defs_stmt): Remove.
7169         (mark_all_v_defs_seq): Adjust.
7170         (sra_replace): Likewise.
7171         (scalarize_use): Likewise.
7172         (scalarize_copy): Likewise.
7173         (scalarize_init): Likewise.
7174         (scalarize_ldst): Likewise.
7175         (todoflags): Remove.
7176         (tree_sra): Do not rebuild alias info.
7177         (tree_sra_early): Adjust.
7178         (pass_sra): Run TODO_update_address_taken before SRA.
7179         * tree-predcom.c (set_alias_info): Remove.
7180         (prepare_initializers_chain): Do not call it.
7181         (mark_virtual_ops_for_renaming): Adjust.
7182         (mark_virtual_ops_for_renaming_list): Remove.
7183         (initialize_root_vars): Adjust.
7184         (initialize_root_vars_lm): Likewise.
7185         (prepare_initializers_chain): Likewise.
7186         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
7187         (may_propagate_copy_into_stmt): Likewise.
7188         (merge_alias_info): Do nothing for now.
7189         (propagate_tree_value_into_stmt): Adjust.
7190         (stmt_may_generate_copy): Likewise.
7191         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
7192         not mark symbols for renaming.
7193         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
7194         with the same statement, make sure to update the new pointed-to one.
7195         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
7196         call statements, do not mark symbols for renaming.
7197         (mark_operand_necessary): Dump something.
7198         (ref_may_be_aliased): New function.
7199         (mark_aliased_reaching_defs_necessary_1): New helper function.
7200         (mark_aliased_reaching_defs_necessary): Likewise.
7201         (mark_all_reaching_defs_necessary_1): Likewise.
7202         (mark_all_reaching_defs_necessary): Likewise.
7203         (propagate_necessity): Do not process virtual PHIs.  For
7204         non-aliased loads mark all reaching definitions as necessary.
7205         For aliased loads and stores mark the immediate dominating
7206         aliased clobbers as necessary.
7207         (visited): New global static.
7208         (perform_tree_ssa_dce): Free visited bitmap after propagating
7209         necessity.
7210         (remove_dead_phis): Perform simple dead virtual PHI removal.
7211         (remove_dead_stmt): Properly unlink virtual operands when
7212         removing stores.
7213         (eliminate_unnecessary_stmts): Schedule PHI removal after
7214         stmt removal.
7215         * tree-ssa-ter.c (is_replaceable_p): Adjust.
7216         (process_replaceable): Likewise.
7217         (find_replaceable_in_bb): Likewise.
7218         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
7219         based on the single gimple vop.
7220         (verify_flow_insensitive_alias_info): Remove.
7221         (verify_flow_sensitive_alias_info): Likewise.
7222         (verify_call_clobbering): Likewise.
7223         (verify_memory_partitions): Likewise.
7224         (verify_alias_info): Likewise.
7225         (verify_ssa): Adjust..
7226         (execute_update_addresses_taken): Export.  Update SSA
7227         manually.  Optimize only when optimizing.  Use a local bitmap.
7228         (pass_update_address_taken): Remove TODO_update_ssa, add
7229         TODO_dump_func.
7230         (pass_update_address_taken): Just use TODO_update_address_taken.
7231         (init_tree_ssa): Do not initialize addressable_vars.
7232         (verify_ssa): Verify new VUSE / VDEF properties.
7233         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
7234         Do not call verify_alias_info.
7235         (delete_tree_ssa): Clear the VUSE, VDEF operands.
7236         Do not free the loaded and stored syms bitmaps.  Reset the escaped
7237         and callused solutions.  Do not free addressable_vars.
7238         Remove memory-tag related code.
7239         (warn_uninitialized_var): Aliases are always available.
7240         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
7241         * lambda-code.c (can_put_in_inner_loop): Adjust.
7242         (can_put_after_inner_loop): Likewise.
7243         (perfect_nestify): Likewise.
7244         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
7245         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
7246         (vectorizable_conversion): Do not mark symbols for renaming.
7247         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
7248         (expand_call_inline): Unlink the calls virtual operands before
7249         replacing it.
7250         (tree_function_versioning): Do not call update_ssa if we are not
7251         updating clones.  Simplify.
7252         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
7253         (propagate_with_phi): Likewise..
7254         * tree-outof-ssa.c (create_temp): Remove memory tag and call
7255         clobber code.  Assert we are not aliased or global.
7256         * tree-flow.h: Include tree-ssa-alias.h
7257         (enum escape_type): Remove.
7258         (struct mem_sym_stats_d): Likewise.
7259         (struct mem_ref_stats_d): Likewise.
7260         (struct gimple_df): Add vop member.  Remove global_var,
7261         call_clobbered_vars, call_used_vars, addressable_vars,
7262         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
7263         escaped and callused members.
7264         (struct ptr_info_def): Remove all members, add points-to solution
7265         member pt.
7266         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
7267         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
7268         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
7269         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
7270         (tree-ssa-alias.o): Likewise.
7271         (toplev.o): Add tree-ssa-alias.h
7272         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
7273         * gimple.c (gimple_set_bb): Fix off-by-one error.
7274         (is_gimple_reg): Do not handle memory tags.
7275         (gimple_copy): Also copy virtual operands.
7276         Delay updating the statement.  Do not reset loaded and stored syms.
7277         (gimple_set_stored_syms): Remove.
7278         (gimple_set_loaded_syms): Likewise.
7279         (gimple_call_copy_skip_args): Copy the virtual operands
7280         and mark the new statement modified.
7281         * tree-ssa-structalias.c (may_alias_p): Remove.
7282         (set_uids_in_ptset): Take the alias set to prune with as
7283         parameter.  Fold in the alias test of may_alias_p.
7284         (compute_points_to_sets): Compute whether a ptr is dereferenced
7285         in a local sbitmap.
7286         (process_constraint): Deal with &ANYTHING on the lhs, reject all
7287         other ADDRESSOF constraints on the lhs.
7288         (get_constraint_for_component_ref): Assert that we don't get
7289         ADDRESSOF constraints from the base of the reference.
7290         Properly generate UNKNOWN_OFFSET for DEREF if needed.
7291         (struct variable_info): Remove collapsed_to member.
7292         (get_varinfo_fc): Remove.
7293         (new_var_info): Do not set collapsed_to.
7294         (dump_constraint): Do not follow cycles.
7295         (dump_constraint_graph): Likewise.
7296         (build_pred_graph): Likewise.
7297         (build_succ_graph): Likewise.
7298         (rewrite_constraints): Likewise.
7299         (do_simple_structure_copy): Remove.
7300         (do_rhs_deref_structure_copy): Remove.
7301         (do_lhs_deref_structure_copy): Remove.
7302         (collapse_rest_of_var): Remove.
7303         (do_structure_copy): Re-implement.
7304         (pta_stats): New global variable.
7305         (dump_pta_stats): New function.
7306         (struct constraint_expr): Make offset signed.
7307         (UNKNOWN_OFFSET): Define special value.
7308         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
7309         (solution_set_expand): New helper function split out from ...
7310         (do_sd_constraint): ... here.
7311         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
7312         (do_ds_constraint): Likewise.
7313         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
7314         and CALLUSED = *CALLUSED.
7315         (set_union_with_increment): Make inc argument signed.
7316         (type_safe): Remove.
7317         (get_constraint_for_ptr_offset): Handle unknown and negative
7318         constant offsets.
7319         (first_vi_for_offset): Handle offsets before start.  Bail
7320         out early for offsets beyond the variable extent.
7321         (first_or_preceding_vi_for_offset): New function.
7322         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
7323         Together with ESCAPED = *ESCAPED this properly computes reachability.
7324         (find_what_var_points_to): New function.
7325         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
7326         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
7327         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
7328         pt_solutions_intersect): New functions.
7329         (compute_call_used_vars): Remove.
7330         (compute_may_aliases): New main entry into PTA computation.
7331         * gimple.h (gimple_p): New typedef.
7332         (struct gimple_statement_base): Remove references_memory_p.
7333         (struct gimple_statement_with_memory_ops_base): Remove
7334         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
7335         members.
7336         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
7337         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
7338         gimple_set_references_memory): Remove.
7339         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
7340         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
7341         New functions.
7342         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
7343         (verify_expr): Allow RESULT_DECL.
7344         (gimple_duplicate_bb): Do not copy virtual operands.
7345         (gimple_duplicate_sese_region): Adjust.
7346         (gimple_duplicate_sese_tail): Likewise.
7347         (mark_virtual_ops_in_region): Remove.
7348         (move_sese_region_to_fn): Do not call it.
7349         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
7350         and pass_simple_dse.
7351         (execute_function_todo): Handle TODO_update_address_taken,
7352         call execute_update_addresses_taken for TODO_rebuild_alias.
7353         (execute_todo): Adjust.
7354         (execute_one_pass): Init dump files early.
7355         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
7356         call-clobbered.
7357         (create_general_new_stmt): Clear vops.
7358         * tree-ssa-reassoc.c (get_rank): Adjust.
7359         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
7360         symbols for renaming.
7361         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
7362         (PARAM_AVG_ALIASED_VOPS): Likewise.
7363         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
7364         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
7365         * tree-ssa-operands.c: Simplify for new virtual operand representation.
7366         (operand_build_cmp, copy_virtual_operands,
7367         create_ssa_artificial_load_stmt, add_to_addressable_set,
7368         gimple_add_to_addresses_taken): Remove public functions.
7369         (unlink_stmt_vdef): New function.
7370
7371 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
7372
7373         * config.gcc (powerpc-*-linux*): Merge variants.
7374
7375 2009-04-02  Chao-ying Fu  <fu@mips.com>
7376             James Grosbach  <james.grosbach@microchip.com>
7377
7378         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
7379         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
7380         cop0_sp_offset.
7381         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
7382         keep_interrupts_masked_p, use_debug_exception_return_p.
7383         (mips_attribute_table): Add interrupt, use_shadow_register_set,
7384         keep_interrupts_masked, use_debug_exception_return.
7385         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
7386         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
7387         New functions.
7388         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
7389         (mips_print_operand): Process COP0 registers to print $0 .. $31
7390         correctly for GAS to process.
7391         (mips_interrupt_extra_call_saved_reg_p): New function.
7392         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
7393         extra registers.
7394         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
7395         (mips_compute_frame_info): Add supports for interrupt context that
7396         includes doubleword accumulators and COP0 registers.
7397         (mips_for_each_saved_acc): New function.
7398         (mips_for_each_saved_gpr_and_fpr): Change the function name from
7399         mips_for_each_saved_reg.
7400         (mips_save_reg): Save accumulators.
7401         (mips_kernel_reg_p): A new for_each_rtx callback.
7402         (mips_expand_prologue): Support interrupt handlers.
7403         (mips_restore_reg): Restore accumulators.
7404         (mips_expand_epilogue): Support interrupt handlers.
7405         (mips_can_use_return_insn): Return false for interrupt handlers.
7406         (mips_epilogue_uses): New function.
7407         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
7408         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
7409         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
7410         cop0_move): New instructions.
7411         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
7412         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
7413         defines.
7414         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
7415         New defines.
7416         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
7417         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
7418         interrupt handlers, we use K0 as the temporary register.
7419         (EPILOGUE_USES): Change to a function call.
7420         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
7421         handlers, we use K0 as the temporary register.
7422
7423         * doc/extend.texi (Function Attributes): Document interrupt,
7424         use_shadow_register_set, keep_interrupts_masked,
7425         use_debug_exception_return for MIPS attributes.
7426
7427 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
7428
7429         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
7430         Remove a number of t-files from tmake_file.
7431         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
7432         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
7433         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
7434         target_prototype, not TARGET_PROTOTYPE.
7435         (LINK_OS_GNU_SPEC): Define.
7436         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
7437         and darwin-ldoubdle.c.
7438
7439 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
7440
7441         PR driver/39293
7442         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
7443         (cpp_options): Ditto.
7444         (default_compilers): Ditto.
7445         (display_help): Ditto.
7446         (process_command): Ditto.
7447         (do_spec_1): Ditto.
7448         (set_input): Use lbasename instead of duplicate code.
7449         (save_temps_prefix): New static for -save-temps=obj.
7450         (save_temps_length): Ditto.
7451
7452         * doc/invoke.texi (-save-temps=obj): Document new variant to
7453         -save-temps switch.
7454
7455 2009-04-02  Jeff Law  <law@redhat.com>
7456
7457         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
7458         variable.
7459
7460 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
7461
7462         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
7463         * configure: Regenerated.
7464
7465 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7466
7467         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
7468         share the argument list.
7469
7470 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7471
7472         Merge
7473
7474         2009-02-12  Diego Novillo  <dnovillo@google.com>
7475
7476         * varpool.c (debug_varpool): New.
7477         * cgraph.h (debug_varpool): Declare.
7478
7479 2009-04-02  Jan Hubicka  <jh@suse.cz>
7480
7481         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
7482         pass.
7483
7484 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
7485
7486         * config/i386/i386.c (ix86_abi): Move initialization to ...
7487         (override_options): Here.
7488
7489 2009-04-02  Christian Bruel  <christian.bruel@st.com>
7490
7491         * config/sh/sh.c (sh_dwarf_register_span): New function.
7492         (TARGET_DWARF_REGISTER_SPAN): Define.
7493         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
7494
7495 2009-04-02  Ira Rosen  <irar@il.ibm.com>
7496
7497         PR tree-optimization/39595
7498         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
7499         interleaved loads group is not  greater than the SLP group size.
7500
7501 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7502
7503         * builtins.c (is_builtin_name): New.
7504         (called_as_built_in): Use is_builtin_name.
7505         * tree.h (is_builtin_name): New.
7506         * varasm.c (incorporeal_function_p): Use is_builtin_name
7507
7508 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
7509
7510         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
7511
7512 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
7513
7514         PR c++/26693
7515         * c-decl.c (clone_underlying_type): Move this ...
7516         * c-common.c (set_underlying_type): ... here.
7517         Also, make sure the function properly sets TYPE_STUB_DECL() on
7518         the newly created typedef variant type.
7519         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
7520         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
7521         points.
7522
7523 2009-04-02  Richard Guenther  <rguenther@suse.de>
7524
7525         PR tree-optimization/37221
7526         * tree-flow.h (degenerate_phi_result): Declare.
7527         * tree-ssa-dom.c (degenerate_phi_result): Export.
7528         * tree-scalar-evolution.c (analyze_initial_condition): If
7529         the initial condition is defined by a degenerate PHI node
7530         use the degenerate value.
7531
7532 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
7533
7534         PR rtl-optimization/39588
7535         * combine.c (merge_outer_ops): Do not set the constant when this
7536         is not necessary.
7537         (simplify_shift_const_1): Do not modify it either in this case.
7538
7539 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
7540
7541         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
7542         tuning is deprecated if -mtune value is set to an Itanium1 variant.
7543
7544 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
7545
7546         PR c/29027
7547         * c-lex.c (interpret_float): Default (no suffix) is double.
7548
7549 2009-04-1  Xinliang David Li  <davidxl@google.com>
7550
7551         * config/i386/i386.c (legitimate_constant_p): Recognize
7552         all one vector constant.
7553
7554 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7555
7556         * config/vax/vax.c: Add #includes to silence warnings.
7557         Change #include order to silence two warnings.
7558
7559 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7560
7561         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
7562         (ASM_SPEC): Pass -k to the assembler for PIC code.
7563
7564 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7565
7566         * config.gcc: Add vax-*-linux* to the switch.
7567         * config/vax/linux.h: New file. (TARGET_VERSION,
7568         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
7569
7570 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7571
7572         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
7573         Use predicate macros instead of GET_CODE() == foo.
7574         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
7575         ashlsi3, rotrsi3, <unnamed>): Likewise.
7576
7577 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7578
7579         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
7580         jbbccihi, jbbccisi): Remova trailing whitespace.
7581         * config/vax/constraints.md: Likewise.
7582         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
7583         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
7584         * config/vax/predicates.md: Likewise.
7585         * config/vax/vax.c (print_operand_address, vax_output_int_move,
7586         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
7587         * config/vax/vax.h: Likewise.
7588         * config/vax/vax.md (nonlocal_goto): Likewise.
7589
7590 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7591
7592         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
7593         (indirectable_address_p, adjacent_operands_p): Add spaces around
7594         braces.
7595         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
7596
7597 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7598
7599         * config/vax/vax.c (legitimate_constant_address_p,
7600         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
7601         index_term_p, reg_plus_index_p, legitimate_address_p,
7602         vax_mode_dependent_address_p): Update comments to match functions
7603         modified by the recent int->bool conversion.
7604
7605 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7606
7607         * config/vax/builtins.md: Update copyright message.
7608         * config/vax/constraints.md: Likewise.
7609         * config/vax/netbsd-elf.h: Likewise.
7610         * config/vax/predicates.md: Likewise.
7611         * config/vax/vax-protos.h: Likewise.
7612         * config/vax/vax.c: Likewise.
7613         * config/vax/vax.h: Likewise.
7614         * config/vax/vax.md: Likewise.
7615         * config/vax/vax.opt: Likewise.
7616
7617 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7618
7619         * config/vax/builtins.md (ffssi2, ffssi2_internal,
7620         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
7621         * config/vax/constraints.md (B, R): Likewise.
7622         * config/vax/predicates.md (external_memory_operand,
7623         nonimmediate_addsub_di_operand): Likewise.
7624         * config/vax/vax.c (vax_output_int_add): Likewise.
7625         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
7626         untyped_call): Likewise.
7627
7628 2009-04-01  Matt Thomas  <matt@3am-software.com>
7629
7630         * config/vax/predicates.md: New file.
7631         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
7632         external_const_operand, nonsymbolic_operand, external_memory_operand,
7633         indirect_memory_operand, indexed_memory_operand,
7634         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
7635         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
7636         predicate.
7637         * config/vax/constraints.md: New file.
7638         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
7639         New constraint.
7640         * config/vax/builtins.md: New file.
7641         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
7642         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
7643         jbbccisi): Define.
7644         * config/vax/vax.opt (mqmath): Add option.
7645         * config/vax/vax.md (isfx): Extend with DI.
7646         (VAXintQH, VAXintQHSD): Define.
7647         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
7648         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
7649         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
7650         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
7651         (movdi): Update constraints and use vax_output_int_move().
7652         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
7653         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
7654         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
7655         nonlocal_goto): New.
7656         (mov<mode>): Extend accepted operand types.
7657         (subdi3_old): Rename from subdi3, change update constraints and use
7658         a new implementation.
7659         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
7660         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
7661         MOVE_RATIO, CLEAR_RATIO): Define.
7662         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
7663         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7664         (PRINT_OPERAND): Redefine using a function instead of inlined code.
7665         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
7666         (split_quadword_operands): Make static and really allow variable
7667         splitting.
7668         (print_operand_address): Update for PIC generation.
7669         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
7670         indexable_address_p, fixup_mathdi_operand,
7671         vax_expand_addsub_di_operands, adjacent_operands_p): New.
7672         (vax_float_literal, legitimate_constant_p,
7673         indirectable_constant_address_p, index_term_p,
7674         reg_plus_index_p): Return bool instead of int.
7675         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
7676         where needed.
7677         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
7678         generation.
7679         (vax_output_conditional_branch): Indent.
7680         (legitimate_constant_address_p, indirectable_constant_address_p,
7681         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
7682         vax_mode_dependent_address_p): Return bool instead of int, update for
7683         PIC generation.
7684         * config/vax/vax-protos.h (legitimate_constant_address_p,
7685         legitimate_constant_p, legitimate_address_p,
7686         vax_mode_dependent_address_p): Change declaration to bool.
7687         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
7688         vax_expand_addsub_di_operands, vax_output_int_subtract,
7689         vax_output_movmemsi): Declare.
7690         (split_quadword_operands, vax_float_literal): Delete declaration.
7691         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
7692         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
7693         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
7694         ASM_OUTPUT_DWARF_PCREL): Define.
7695         (ASM_SPEC): Change definition to allow PIC generation.
7696
7697 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
7698
7699         * doc/sourcebuild.texi: Update front-end requirements.
7700
7701 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7702
7703         PR target/39226
7704         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
7705         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
7706         (booldi3_internal3): Use boolean_or_operator instead of
7707         boolean_operator.
7708
7709 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
7710
7711         PR c/39605
7712         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
7713         declarator whose size is not an integer constant expression but
7714         folds to an integer constant, then treat it as a constant
7715         subsequently.
7716
7717 2009-04-01  Richard Guenther  <rguenther@suse.de>
7718
7719         * fold-const.c (fold_plusminus_mult_expr): Do not fold
7720         i * 4 + 2 to (i * 2 + 1) * 2.
7721
7722 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7723
7724         PR c/37772
7725         * c-parser.c (c_parser_asm_statement): Skip until close paren and
7726         return if c_parser_asm_string_literal returned NULL.
7727
7728 2009-04-01  Nick Clifton  <nickc@redhat.com>
7729
7730         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
7731         already defined.
7732         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
7733         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
7734         other typedefs to avoid conflicts with libgcc2.c.  Define labels
7735         to gain 16-bit bit-manipulation functions from libgcc2.c and then
7736         include it.
7737         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
7738         to gain 16-bit trapping arithmetic functions from libgcc2.c and
7739         then include it.
7740
7741 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
7742
7743         * varasm.c (default_function_rodata_section): Declare DOT as
7744         const char*.
7745
7746 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
7747             Andrey Galkin  <agalkin@hypercom.com>
7748
7749         PR/39492
7750         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
7751         Make object_name unique for each process.
7752
7753 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7754
7755         PR other/39591
7756         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
7757         addressable variables in the parallel that could go out of scope while
7758         running queued tasks.
7759
7760 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
7761
7762         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
7763         (CASE_VALUES_THRESHOLD): Redefine.
7764         * config/avr/avr.c (avr_override_options): Remove initialization of
7765         avr_case_values_threshold variable.
7766         (avr_case_values_threshold): Remove variable. Add new function.
7767         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
7768         * config/avr/avr.opt (mno-tablejump): Remove option.
7769         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
7770
7771 2009-04-01  DJ Delorie  <dj@redhat.com>
7772
7773         * varasm.c (default_function_rodata_section): Don't assume
7774         anything about where the first '.' in the section name is.
7775
7776 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
7777
7778         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
7779         rs6000_emit_stack_tie.
7780
7781 2009-03-31  Ian Lance Taylor  <iant@google.com>
7782
7783         * tree-eh.c (tree_remove_unreachable_handlers): Compare
7784         gimple_code with GIMPLE_RESX, not RESX.
7785
7786 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7787
7788         * c-common.c (c_get_ident): New.
7789         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
7790
7791 2009-04-01  Ben Elliston  <bje@au.ibm.com>
7792
7793         * config/rs6000/sysv4.opt (msdata): Improve option description.
7794
7795 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
7796
7797         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
7798         (divdf3_internal_lat): Remove.
7799         (divxf3_internal_lat): Remove.
7800         (divxf3_internal_thr): Remove.
7801         (divxf): Use divxf3_internal.
7802         * config/ia64/div.md (divsf3_internal_lat): New.
7803         (divdf3_internal_lat): New.
7804         (divxf3_internal): New.
7805
7806 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7807
7808         PR c/448
7809         * Makefile.in (USE_GCC_STDINT): Define.
7810         (stmp-int-hdrs): Install stdint.h if applicable.
7811         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
7812         if known.
7813         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
7814         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
7815         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7816         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7817         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7818         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7819         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7820         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7821         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
7822         (c_common_nodes_and_builtins): Initialize
7823         underlying_wchar_type_node.  Do not initialize
7824         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
7825         nodes for new types.
7826         (c_stddef_cpp_builtins): Define macros for new types.
7827         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
7828         Remove.
7829         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
7830         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
7831         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
7832         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
7833         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
7834         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
7835         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
7836         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
7837         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
7838         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
7839         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
7840         int16_type_node, int32_type_node, int64_type_node,
7841         uint8_type_node, uint16_type_node, c_uint32_type_node,
7842         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
7843         int_least32_type_node, int_least64_type_node,
7844         uint_least8_type_node, uint_least16_type_node,
7845         uint_least32_type_node, uint_least64_type_node,
7846         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
7847         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
7848         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
7849         uintptr_type_node): Define.
7850         * c-cppbuiltin.c (builtin_define_constants,
7851         builtin_define_type_minmax): New.
7852         (builtin_define_stdint_macros): Define more macros.
7853         (c_cpp_builtins): Define more limit macros.
7854         (type_suffix): New.
7855         (builtin_define_type_max): Define in terms of
7856         builtin_define_type_minmax.  Remove is_long parameter.  All
7857         callers changed.
7858         * config.gcc (use_gcc_stdint): Define.
7859         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
7860         Add newlib-stdint.h for generic targets.
7861         * config/glibc-stdint.h, config/newlib-stdint.h,
7862         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
7863         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
7864         * config/score/score.h (UINTPTR_TYPE): Define.
7865         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
7866         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
7867         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7868         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7869         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7870         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7871         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7872         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
7873         * config/spu/spu.h (STDINT_LONG32): Define.
7874         * configure.ac (use_gcc_stdint): Substitute.
7875         * configure: Regenerate.
7876         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
7877         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
7878         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
7879         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
7880         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
7881         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
7882         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
7883         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
7884         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
7885         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
7886         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
7887         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
7888         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
7889         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
7890         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
7891         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
7892         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
7893         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
7894         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
7895         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
7896         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
7897         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
7898         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7899         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7900         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7901         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7902         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7903         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7904         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
7905
7906 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
7907
7908         * loop-iv.c (suitable_set_for_replacement): Renamed from
7909         simplify_using_assignment; changed to return bool and to accept new
7910         args DEST and SRC.  Return true iff we find a source/destination pair
7911         that can be used to make a replacement, and fill SRC and DEST if so.
7912         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
7913         changed.
7914         (simplify_using_initial_values): Deal with altered regs here and track
7915         more precisely the effect they have on the validity of our expression.
7916
7917         * loop-iv.c (simplify_using_condition): A condition of the form
7918         (EQ REG CONST) can be used to simply make a substitution.
7919         (simplify_using_initial_values): Keep track of conditions we have seen
7920         and keep using them to simplify new expressions, while applying the
7921         same substitutions to them as to the expression.
7922
7923         * simplify-rtx.c (simplify_relational_operation_1): Simplify
7924         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
7925         GEU/LTU reversed.
7926
7927         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
7928         changed.  Use this when trying to improve the upper bound.
7929         Generate the comparison by using simplify_gen_relational.
7930
7931         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
7932
7933         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
7934         functions.
7935         (simplify_using_assignment, simplify_using_initial_values): Call
7936         replace_in_expr to make replacements.  Call replace_single_def_regs
7937         once on the initial version of the expression.
7938
7939 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7940
7941         PR target/27237
7942         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
7943
7944 2009-03-31  Richard Guenther  <rguenther@suse.de>
7945
7946         PR middle-end/31029
7947         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
7948         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
7949
7950 2009-03-31  Richard Guenther  <rguenther@suse.de>
7951
7952         * tree.h (div_if_zero_remainder): Declare.
7953         * fold-const.c (div_if_zero_remainder): Export.
7954         * tree-ssa-forwprop.c
7955         (forward_propagate_addr_into_variable_array_index): Handle
7956         constant array index addition outside of the variable index.
7957
7958 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7959
7960         PR target/39592
7961         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
7962         define_splits, floatunssi<mode>2): Require x87 conversions from
7963         DImode to be permitted.
7964
7965 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7966
7967         PR preprocessor/15638
7968         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
7969
7970 2009-03-31  Richard Guenther  <rguenther@suse.de>
7971
7972         PR middle-end/23401
7973         PR middle-end/27810
7974         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
7975         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
7976         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
7977         a separate statement.
7978         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
7979         (lookup_tmp_var): Likewise.
7980         (is_gimple_formal_tmp_or_call_rhs): Remove.
7981         (is_gimple_reg_or_call_rhs): Rename to ...
7982         (is_gimple_reg_rhs_or_call): ... this.
7983         (is_gimple_mem_or_call_rhs): Rename to ...
7984         (is_gimple_mem_rhs_or_call): ... this.
7985         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
7986         DECL_GIMPLE_REG_P only if is_formal is true.
7987         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
7988         for non-proper post-modify expression gimplification.
7989         (gimplify_self_mod_expr): For post-modify expressions gimplify
7990         the lvalue to a minimal lvalue.
7991         (rhs_predicate_for): Remove formal temp case.
7992         (gimplify_modify_expr_rhs): Likewise.
7993         (gimplify_addr_expr): Use is_gimple_reg.
7994         (gimplify_expr): Remove formal temp cases.
7995         (gimple_regimplify_operands): Likewise.
7996         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
7997         and FILTER_EXPR like constants.
7998         * gimple.c (walk_gimple_op): Fix val_only initialization, use
7999         is_gimple_reg.
8000         (is_gimple_formal_tmp_rhs): Remove.
8001         (is_gimple_reg_rhs): Remove special casing.
8002         (is_gimple_mem_rhs): Fix.
8003         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
8004         (is_gimple_formal_tmp_var): Remove.
8005         (is_gimple_formal_tmp_reg): Likewise.
8006         (is_gimple_min_lval): Allow invariant component ref parts.
8007         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
8008         is_gimple_formal_tmp_reg): Remove declarations.
8009         * tree-cfg.c (verify_expr): Verify that variables with address
8010         taken do not have DECL_GIMPLE_REG_P set.
8011         * tree-mudflap.c (mf_build_check_statement_for): Use
8012         force_gimple_operand instead of gimplify_expr.
8013
8014 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
8015
8016         * modulo-sched.c (sms_schedule_by_order): Pass the actual
8017         schedulable rows to compute_split_row.
8018
8019 2009-03-31  Ben Elliston  <bje@au.ibm.com>
8020
8021         PR target/31635
8022         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
8023         OPT_mvrsave.
8024
8025 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
8026
8027         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
8028         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
8029         * configure: Regenerate.
8030         * config.in: Regenerate.
8031         * config/rs6000/rs6000.opt (mtls-markers): Add.
8032         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
8033         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
8034         (tls_ld_aix, tls_ld_sysv): Likewise.
8035         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
8036         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
8037
8038 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
8039
8040         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
8041
8042 2009-03-30  Jan Hubicka  <jh@suse.cz>
8043
8044         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
8045         out of RESX.
8046         (tree_remove_unreachable_handlers): Cleanup EH predecestor
8047         detection and label handling.
8048
8049 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
8050
8051         * ira-int.h (ira_allocno): Rename left_conflicts_num to
8052         left_conflicts_size.
8053         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
8054         ALLOCNO_LEFT_CONFLICTS_SIZE.
8055
8056         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
8057         remove_allocno_from_bucket_and_push,
8058         allocno_spill_priority_compare, push_allocnos_to_stack,
8059         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
8060         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
8061         (setup_allocno_left_conflicts_num): Ditto.  Rename to
8062         setup_allocno_left_conflicts_size.
8063         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
8064         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
8065         setup_allocno_left_conflicts_size instead of
8066         setup_allocno_left_conflicts_num.
8067
8068         * ira-build.c (ira_create_allocno): Use
8069         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
8070         ALLOCNO_LEFT_CONFLICTS_NUM.
8071
8072 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
8073
8074         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
8075         instead of DF_LR_OUT.
8076
8077         * ira-lives.c (process_bb_node_lives): Ditto.
8078
8079         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
8080         instead of DF_LR_{OUT,IN}.
8081
8082         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
8083
8084         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
8085
8086 2009-03-30  Jan Hubicka  <jh@suse.cz>
8087
8088         * except.c (label_to_region_map): Fix thinko.
8089
8090 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
8091
8092         PR middle-end/38237
8093         * tree.h (tree_find_value): New declaration.
8094         * tree.c (tree_find_value): New function.
8095         * varasm.c (assemble_external): Avoid duplicate entries on lists.
8096
8097 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
8098
8099         PR debug/39563
8100         * c-decl.c (struct c_binding): Add locus field.
8101         (bind): Add locus argument, set locus field from it.
8102         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
8103         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
8104         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
8105         implicitly_declare, undeclared_variable, lookup_label,
8106         declare_label, c_make_fname_decl, c_builtin_function,
8107         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
8108         bind callers.
8109
8110 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
8111
8112         PR target/38781
8113         * config/i386/i386.c (classify_argument): Check total size of
8114         structure.
8115
8116 2009-03-30  Martin Jambor  <mjambor@suse.cz>
8117
8118         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
8119         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
8120         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
8121         respectively.
8122
8123         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
8124         seen_variable_array_ref while also traversing a union.
8125
8126         * tree-inline.c (optimize_inline_calls): Do not call
8127         cgraph_node_remove_callees.
8128         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
8129         (pass_remove_cgraph_callee_edges): New variable.
8130         * passes.c (init_optimization_passes): Add
8131         pass_remove_cgraph_callee_edges after early inlining and before all
8132         late intraprocedural passes.
8133
8134         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
8135
8136 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8137
8138         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
8139         Fix typos in names.
8140
8141 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8142
8143         * combine.c (simplify_comparison): Use have_insn_for.
8144         * dojump.c (do_jump): Likewise.
8145
8146 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8147
8148         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
8149         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
8150         sparc_compare_op0 like sparc_compare_emitted used to be handled.
8151         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
8152         instead of sparc_compare_emitted.
8153         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
8154         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
8155         instead of sparc_compare_emitted.
8156
8157 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8158
8159         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
8160         enter/exit cfglayout mode.
8161         (pass_partition_block): Require it.
8162         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
8163         (combine_instructions): Track basic blocks instead of labels.
8164         (update_cfg_for_uncondjump): New.
8165         (try_combine): Use it.  Update jumps after rescanning.
8166         (pass_combine): Require PROP_cfglayout.
8167         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
8168
8169 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8170
8171         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
8172         Provide/destroy PROP_cfglayout respectively.
8173         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
8174         * tree-pass.h (PROP_cfglayout): New.
8175
8176 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8177
8178         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
8179         fold_convert_const_fixed_from_fixed,
8180         fold_convert_const_fixed_from_int,
8181         fold_convert_const_fixed_from_real, fold_negate_const): Do not
8182         set TREE_CONSTANT_OVERFLOW.
8183         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
8184         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
8185
8186 2009-03-30  Ira Rosen  <irar@il.ibm.com>
8187
8188         * tree-vect-loop-manip.c: New file.
8189         * tree-vectorizer.c: Update documentation and included files.
8190         (vect_loop_location): Make extern.
8191         (rename_use_op): Move to tree-vect-loop-manip.c
8192         (rename_variables_in_bb, rename_variables_in_loop,
8193         slpeel_update_phis_for_duplicate_loop,
8194         slpeel_update_phi_nodes_for_guard1,
8195         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
8196         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
8197         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
8198         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
8199         find_loop_location): Likewise.
8200         (new_stmt_vec_info): Move to tree-vect-stmts.c.
8201         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
8202         get_vectype_for_scalar_type, vect_is_simple_use,
8203         supportable_widening_operation, supportable_narrowing_operation):
8204         Likewise.
8205         (bb_in_loop_p): Move to tree-vect-loop.c.
8206         (new_loop_vec_info, destroy_loop_vec_info,
8207         reduction_code_for_scalar_code, report_vect_op,
8208         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
8209         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
8210         (vect_supportable_dr_alignment): Likewise.
8211         * tree-vectorizer.h (tree-data-ref.h): Include.
8212         (vect_loop_location): Declare.
8213         Reorganize function declarations according to the new file structure.
8214         * tree-vect-loop.c: New file.
8215         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
8216         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
8217         * tree-vect-data-refs.c: New file.
8218         * tree-vect-patterns.c (timevar.h): Don't include.
8219         * tree-vect-stmts.c: New file.
8220         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
8221         tree-vect-slp.c, tree-vect-loop.c.
8222         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
8223         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
8224         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
8225         (tree-vect-analyze.o): Remove.
8226         (tree-vect-transform.o): Likewise.
8227         (tree-vect-data-refs.o): Add rule.
8228         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
8229         tree-vect-slp.o): Likewise.
8230         (tree-vect-patterns.o): Remove redundant dependencies.
8231         (tree-vectorizer.o): Likewise.
8232         * tree-vect-slp.c: New file.
8233
8234 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8235
8236         * optc-gen.awk: Warn if an option flag has multiple different
8237         help strings.
8238
8239 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
8240
8241         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
8242         -floop-block): Document dependences on PPL, CLooG and Graphite.
8243
8244 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
8245
8246         PR rtl-optimization/323
8247         * c-common.c (c_fully_fold, convert_and_check,
8248         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
8249         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
8250         * c-common.def (EXCESS_PRECISION_EXPR): New.
8251         * c-cppbuiltin.c (builtin_define_float_constants): Define
8252         constants with enough digits for long double.
8253         * c-lex.c (interpret_float): Interpret constant with excess
8254         precision where appropriate.
8255         * c-opts.c (c_common_post_options): Set
8256         flag_excess_precision_cmdline.  Give an error for
8257         -fexcess-precision=standard for C++ for processors where the
8258         option is significant.
8259         * c-parser.c (c_parser_conditional_expression): Handle excess
8260         precision in condition.
8261         * c-typeck.c (convert_arguments): Handle arguments with excess
8262         precision.
8263         (build_unary_op): Move excess precision outside operation.
8264         (build_conditional_expr): Likewise.
8265         (build_compound_expr): Likewise.
8266         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
8267         (build_modify_expr): Handle excess precision in RHS.
8268         (convert_for_assignment): Handle excess precision in converted
8269         value.
8270         (digest_init, output_init_element, process_init_element): Handle
8271         excess precision in initializer.
8272         (c_finish_return): Handle excess precision in return value.
8273         (build_binary_op): Handle excess precision in operands and add
8274         excess precision as needed for operation.
8275         * common.opt (-fexcess-precision=): New option.
8276         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
8277         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
8278         For standard excess precision, output explicit conversion to and
8279         truncation from XFmode.
8280         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
8281         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
8282         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
8283         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
8284         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
8285         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
8286         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
8287         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
8288         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
8289         define_splits, sqrt<mode>2): Disable where appropriate for
8290         standard excess precision.
8291         * convert.c (convert_to_real): Do not shorten arithmetic to type
8292         for which excess precision would be used.
8293         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
8294         * doc/invoke.texi (-fexcess-precision=): Document option.
8295         (-mfpmath=): Correct index entry.
8296         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
8297         flag_excess_precision): New.
8298         * langhooks.c (lhd_post_options): Set
8299         flag_excess_precision_cmdline.
8300         * opts.c (common_handle_option): Handle -fexcess-precision=.
8301         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
8302         init_excess_precision): New.
8303         (lang_dependent_init_target): Call init_excess_precision.
8304         * tree.c (excess_precision_type): New.
8305         * tree.h (excess_precision_type): Declare.
8306
8307 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
8308
8309         PR c/35235
8310         * c-typeck.c (build_component_ref): Do not copy qualifiers from
8311         non-lvalue to component.
8312
8313 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
8314
8315         PR preprocessor/34695
8316         * Makefile.in (c-opts.o): Depend on c-tree.h.
8317         * c-common.c: Move down include of diagnostic.h.
8318         (done_lexing, c_cpp_error): New.
8319         * c-common.h (done_lexing): Declare.
8320         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
8321         (parse_in).
8322         * c-opts.c: Include c-tree.h.
8323         (c_common_init_options): Set preprocessor error callback.
8324         (c_common_handle_option): Do not set preprocessor
8325         inhibit_warnings, warnings_are_errors, warn_system_headers,
8326         pedantic_errors or inhibit_warnings flags.
8327         (c_common_post_options): Do not check cpp_errors (parse_in).
8328         (c_common_finish): Do not output dependencies if there were
8329         errors.  Do not check return value of cpp_finish.
8330         * c-ppoutput.c (pp_file_change): Set input_location.
8331         * c-tree.h (c_cpp_error): Declare.
8332         * diagnostic.c (diagnostic_set_info_translated): Also initialize
8333         override_column.
8334         (diagnostic_build_prefix): Check override_column.
8335         * diagnostic.h (diagnostic_info): Add override_column field.
8336         (diagnostic_override_column): Define.
8337
8338 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
8339
8340         * c-common.c (c_expand_expr, c_staticp): Remove.
8341         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
8342         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
8343         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
8344         * c-gimplify.c (gimplify_compound_literal_expr,
8345         optimize_compound_literals_in_ctor): Remove.
8346         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
8347         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
8348         * c-semantics.c (emit_local_var): Remove.
8349
8350         * langhooks-def.h (lhd_expand_expr): Remove.
8351         * langhooks.c (lhd_expand_expr): Remove.
8352         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
8353
8354         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
8355         handling from c-semantics.c; don't call into langhook.
8356         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
8357         * gimplify.c (gimplify_compound_literal_expr,
8358         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
8359         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
8360         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
8361         as was done in c-gimplify.c.
8362         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
8363         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
8364         Move from c-common.h.
8365         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
8366
8367         * tree.c (staticp): Do not call langhook.
8368         * langhooks.c (lhd_staticp): Delete.
8369         * langhooks-def.h (lhd_staticp): Delete prototype.
8370         (LANG_HOOKS_STATICP): Delete.
8371         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
8372
8373         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
8374         instead of DECL_STMTs.
8375
8376 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
8377
8378         PR c/456
8379         PR c/5675
8380         PR c/19976
8381         PR c/29116
8382         PR c/31871
8383         PR c/35198
8384         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
8385         void_type_node.
8386         (fold_call_expr): Return a NOP_EXPR from folding rather than the
8387         contained expression.
8388         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
8389         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
8390         conditional expressions for C.
8391         (decl_constant_value_for_optimization): Move from
8392         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
8393         whether optimizing and that the expression is a VAR_DECL not of
8394         array type instead of doing such checks in the caller.  Do not
8395         check pedantic.  Call gcc_unreachable for C++.
8396         * c-common.def (C_MAYBE_CONST_EXPR): New.
8397         * c-common.h (c_fully_fold, c_save_expr,
8398         decl_constant_value_for_optimization): New prototypes.
8399         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
8400         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
8401         EXPR_INT_CONST_OPERANDS): Define.
8402         * c-convert.c (convert): Strip nops from expression.
8403         * c-decl.c (groktypename): Take extra parameters expr and
8404         expr_const_operands.  Update call to grokdeclarator.
8405         (start_decl): Update call to grokdeclarator.  Add statement for
8406         expressions used in type of decl.
8407         (grokparm): Update call to grokdeclarator.
8408         (push_parm_decl): Update call to grokdeclarator.
8409         (build_compound_literal): Add parameter non_const and build a
8410         C_MAYBE_COSNT_EXPR if applicable.
8411         (grokdeclarator): Take extra parameters expr and
8412         expr_const_operands.  Track expressions used in declaration
8413         specifiers and declarators.  Fold array sizes and track whether
8414         they are constant expressions and whether they are integer
8415         constant expressions.
8416         (parser_xref_tag): Set expr and expr_const_operands fields in
8417         return value.
8418         (grokfield): Update call to grokdeclarator.
8419         (start_function): Update call to grokdeclarator.
8420         (build_null_declspecs): Set expr and expr_const_operands fields in
8421         return value.
8422         (declspecs_add_type): Handle expressions in typeof specifiers.
8423         * c-parser.c (c_parser_declspecs): Set expr and
8424         expr_const_operands fields for declaration specifiers.
8425         (c_parser_enum_specifier): Likewise.
8426         (c_parser_struct_or_union_specifier): Likewise.
8427         (c_parser_typeof_specifier): Likewise.  Update call to
8428         groktypename.  Fold expression as needed.  Return expressions with
8429         type instead of adding statements.
8430         (c_parser_attributes): Update calls to c_parser_expr_list.
8431         (c_parser_statement_after_labels): Fold expression before passing
8432         to objc_build_throw_stmt.
8433         (c_parser_condition): Fold expression.
8434         (c_parser_asm_operands): Fold expression.
8435         (c_parser_conditional_expression): Use c_save_expr.  Update call
8436         to build_conditional_expr.
8437         (c_parser_alignof_expression): Update call to groktypename.
8438         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
8439         original_code.  Fold expression argument of va_arg.  Create
8440         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
8441         argument to va_arg.  Update calls to groktypename.  Fold array
8442         index for offsetof.  Verify that first argument to
8443         __builtin_choose_expr has integer type.
8444         (c_parser_postfix_expression_after_paren_type): Update calls to
8445         groktypename and build_compound_literal.  Handle expressions with
8446         side effects in type name.
8447         (c_parser_postfix_expression_after_primary): Update call to
8448         c_parser_expr_list.  Set original_code for calls to
8449         __builtin_constant_p.
8450         (c_parser_expr_list): Take extra parameter fold_p.  Fold
8451         expressions if requested.
8452         (c_parser_objc_type_name): Update call to groktypename.
8453         (c_parser_objc_synchronized_statement): Fold expression.
8454         (c_parser_objc_receiver): Fold expression.
8455         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
8456         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
8457         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
8458         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
8459         (struct c_typespec): Add elements expr and expr_const_operands.
8460         (struct c_declspecs): Add elements expr and expr_const_operands.
8461         (groktypename, build_conditional_expr, build_compound_literal):
8462         Update prototypes.
8463         (in_late_binary_op): Declare.
8464         * c-typeck.c (note_integer_operands): New function.
8465         (in_late_binary_op): New variable.
8466         (decl_constant_value_for_broken_optimization): Move to c-common.c
8467         and rename to decl_constant_value_for_optimization.
8468         (default_function_array_conversion): Do not strip nops.
8469         (default_conversion): Do not call
8470         decl_constant_value_for_broken_optimization.
8471         (build_array_ref): Do not fold result.
8472         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
8473         result when operand is a VLA.
8474         (c_expr_sizeof_type): Update call to groktypename.  Handle
8475         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
8476         result when operand names a VLA type.
8477         (build_function_call): Update call to build_compound_literal.
8478         Only fold result for calls to __builtin_* functions.  Strip
8479         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
8480         the function designator.
8481         (convert_arguments): Fold arguments.  Update call to
8482         convert_for_assignment.
8483         (build_unary_op): Handle increment and decrement of
8484         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
8485         decrement earlier.  Fold operand of increment and decrement.
8486         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
8487         built for integer operand.  Wrap returns that are INTEGER_CSTs
8488         without being integer constant expressions or that have integer
8489         constant operands without being INTEGER_CSTs.
8490         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
8491         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
8492         result is an integer constant expression or can be used in
8493         unevaluated parts of one and avoid folding and wrap as
8494         appropriate.  Fold operands before possibly doing -Wsign-compare
8495         warnings.
8496         (build_compound_expr): Wrap result for C99 if operands can be used
8497         in integer constant expressions.
8498         (build_c_cast): Update call to digest_init.  Do not ignore
8499         overflow from casting floating-point constants to integers.  Wrap
8500         results that could be confused with integer constant expressions,
8501         null pointer constants or floating-point constants.
8502         (c_cast_expr): Update call to groktypename.  Handle expressions
8503         included in type name.
8504         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
8505         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
8506         Update calls to convert_for_assignment.
8507         (convert_for_assignment): Take new parameter
8508         null_pointer_constant.  Do not strip nops or call
8509         decl_constant_value_for_broken_optimization.  Set
8510         in_late_binary_op for conversions to boolean.
8511         (store_init_value): Update call to digest_init.
8512         (digest_init): Take new parameter null_pointer_constant.  Do not
8513         call decl_constant_value_for_broken_optimization.  pedwarn for
8514         initializers not constant expressions.  Update calls to
8515         convert_for_assignment.
8516         (constructor_nonconst): New.
8517         (struct constructor_stack): Add nonconst element.
8518         (really_start_incremental_init, push_init_level, pop_init_level):
8519         Handle constructor_nonconst and nonconst element.
8520         (set_init_index): Call constant_expression_warning for array
8521         designators.
8522         (output_init_element): Fold value.  Set constructor_nonconst as
8523         applicable.  pedwarn for initializers not constant expressions.
8524         Update call to digest_init.  Call constant_expression_warning
8525         where constant initializers are required.
8526         (process_init_element): Use c_save_expr.
8527         (c_finish_goto_ptr): Fold expression.
8528         (c_finish_return): Fold return value.  Update call to
8529         convert_for_assignment.
8530         (c_start_case): Fold switch expression.
8531         (c_process_expr_stmt): Fold expression.
8532         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
8533         ensure statement expression is not evaluated in constant expression.
8534         (build_binary_op): Track whether results are integer constant
8535         expressions or may occur in such, disable folding and wrap results
8536         as applicable.  Fold operands for -Wsign-compare warnings unless
8537         in_late_binary_op.
8538         (c_objc_common_truthvalue_conversion): Handle results folded to
8539         integer constants that are not integer constant expressions.
8540         * doc/extend.texi: Document when typeof operands are evaluated,
8541         that condition of __builtin_choose_expr is an integer constant
8542         expression, and more about use of __builtin_constant_p in
8543         initializers.
8544
8545 2009-03-29  Richard Guenther  <rguenther@suse.de>
8546
8547         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
8548         propagate addresses of array references.
8549
8550 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
8551
8552         * regmove.c (perhaps_ends_bb_p): Remove.
8553         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
8554         from INSN and check that the main loop stays within that basic block.
8555         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
8556         (regmove_forward_pass): Split out from regmove_optimize.  Use
8557         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
8558         (regmove_backward_pass): Split out from regmove_optimize.  Use
8559         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
8560         (regmove_optimize): Simplify.
8561
8562 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
8563
8564         PR target/39545
8565         * config/i386/i386.c (classify_argument): Ignore flexible array
8566         member in struct and warn ABI change.
8567
8568 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
8569
8570         * config/i386/i386-protos.h (ix86_agi_dependent): New.
8571
8572         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
8573         (ix86_adjust_cost): Updated.
8574
8575 2009-03-29  Jan Hubicka  <jh@suse.cz>
8576
8577         PR middle-end/28850
8578         * tree-pass.h (pass_cleanup_eh): New function.
8579         (remove_unreachable_regions): Break code handling RTL
8580         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
8581         that can not be reached by runtime.
8582         (can_be_reached_by_runtime): New function.
8583         (label_to_region_map): New function.
8584         (num_eh_regions): New function.
8585         (rtl_remove_unreachable_regions): New function.
8586         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
8587         (remove_eh_region): New function.
8588         * except.h: Include sbitmap and vecprim.
8589         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
8590         num_eh_regions): Declare.
8591         * passes.c (init_optimization_passes): Schedule cleanup_eh.
8592         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
8593         * tree-eh.c (tree_remove_unreachable_handlers): New function.
8594         (tree_empty_eh_handler_p): New function.
8595         (cleanup_empty_eh): New function.
8596         (cleanup_eh): New function.
8597         (pass_cleanup_eh): New function.
8598
8599 2009-03-29  Jan Hubicka  <jh@suse.cz>
8600
8601         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
8602         for removed regions.
8603
8604 2009-03-29  Jan Hubicka  <jh@suse.cz>
8605
8606         * except.c (dump_eh_tree): Dump all datastructures.
8607
8608 2009-03-29  Jan Hubicka  <jh@suse.cz>
8609
8610         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
8611         (duplicate_eh_regions_1): Likewise.
8612         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
8613         vector; call EH verification.
8614         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
8615         Be ready for region being removed.
8616
8617 2009-03-29  Jan Hubicka  <jh@suse.cz>
8618
8619         * bitmap.c (bitmap_last_set_bit): New function.
8620         * bitmap.h (bitmap_last_set_bit): Declare.
8621
8622 2009-03-29  David Ayers  <ayers@fsfe.org>
8623
8624         PR objc/27377
8625         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
8626         by calling objc_compare_types and surpress warnings about
8627         incompatible C pointers that are compatible ObjC pointers.
8628
8629 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
8630
8631         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
8632         call initialize_inline_failed.
8633         (initialize_inline_failed): Move it from here ...
8634         * cgraph.c (initialize_inline_failed): ... to here.
8635         (cgraph_create_edge): Call initialize_inline_failed rather than
8636         setting inline_failed directly.
8637
8638 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8639
8640         PR target/32542
8641         * sysv4.opt (msdata): Improve comment.
8642         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
8643         * sysv4.h (SVR4_ASM_SPEC): Likewise.
8644
8645 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8646
8647         PR target/30451
8648         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
8649         load and store attributes.
8650
8651 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8652
8653         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
8654         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
8655         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
8656         * doc/extend.texi (X86 Built-in Functions): Add index entries for
8657         __builtin_infq and __builtin_huge_valq.
8658
8659 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
8660
8661         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
8662         atmega8m1 devices.
8663         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8664         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
8665
8666 2009-03-28  Xinliang David Li  <davidxl@google.com>
8667
8668         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
8669         (do_dbg_cnt): New function.
8670
8671 2009-03-28  Jan Hubicka  <jh@suse.cz>
8672
8673         Merge from pretty-ipa:
8674
8675         2009-03-27  Jan Hubicka  <jh@suse.cz>
8676
8677         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
8678         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
8679         * passes.c (function_called_by_processed_nodes_p): New.
8680         * ipa-pure-const.c (check_call): Fix handling of operands.
8681         (analyze_function): Dump debug output for skipped bodies.
8682         (local_pure_const): Use function_called_by_processed_nodes_p.
8683         * dwarf2out.c (reference_to_unused): Use output.
8684         * passes.c (do_per_function_toporder): Likewise.
8685
8686         2008-11-12  Jan Hubicka  <jh@suse.cz>
8687
8688         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
8689         * ipa-pure-const.c (funct_state_d): Add can throw field; make
8690         state_set_in_source enum
8691         (check_decl): Ignore memory tags; do not set fake looping flags;
8692         dump diagnostics.
8693         (check_operand, check_tree, check_rhs_var, check_lhs_var,
8694         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
8695         (check_call, analyze_function): Rewrite.
8696         (check_stmt): New.
8697         (add_new_function): Update call of analyze_function.
8698         (generate_summary): Add call of analyze_function.
8699         (propagate): Propagate can_throw; handle state_set_in_source correctly.
8700         (local_pure_const): New function.
8701         (pass_local_pure_const): New pass.
8702         * ipa-inline.c (inline_transform): Set after_inlining.
8703         * tree-eh.c (stmt_can_throw_external): New.
8704         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
8705         work with aliasing built.
8706         * tree-flow.h (stmt_can_throw_external): New.
8707         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
8708         and local pure/const pass in early and late optimization queue.
8709
8710 2009-03-28  Martin Jambor  <mjambor@suse.cz>
8711
8712         * fold-const.c (get_pointer_modulus_and_residue): New parameter
8713         allow_func_align.
8714         (fold_binary): Allow function decl aligment consideration is the
8715         second argument is integer constant one.
8716         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
8717         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
8718         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
8719
8720 2009-03-28  Jan Hubicka  <jh@suse.cz>
8721
8722         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
8723         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
8724         * function.h (rtl_data): Add nothrow flag.
8725         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
8726         set DECL_NOTHROW for AVAILABLE functions.
8727
8728 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
8729
8730         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
8731         following vector keyword has expansion starting with pixel or bool
8732         keyword, expand vector to __vector and pixel or bool to __pixel or
8733         __bool.
8734
8735         PR c++/39554
8736         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
8737         warn_if_disallowed_function_p): Removed.
8738         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
8739         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
8740         warning_if_disallowed_function_p.
8741         * flags.h (warn_if_disallowed_function_p,
8742         warn_disallowed_functions): Removed.
8743         * common.opt (Wdisallowed-function-list=): Removed.
8744         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
8745
8746 2009-03-28  Richard Guenther  <rguenther@suse.de>
8747
8748         PR tree-optimization/38723
8749         * tree-ssa-pre.c (compute_avail): Add all default definitions to
8750         the entry block.
8751
8752 2009-03-28  Jan Hubicka  <jh@suse.cz>
8753
8754         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
8755         test introduced by my previous patch.
8756
8757 2009-03-28  Richard Guenther  <rguenther@suse.de>
8758
8759         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
8760         the PHIs value undefined.
8761
8762 2009-03-28  Jan Hubicka  <jh@suse.cz>
8763
8764         * tree-pass.h (pass_fixup_cfg): New pass.
8765         * ipa-inline.c (inline_transform): Set
8766         always_inline_functions_inlined/after_inlining.
8767         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
8768         (pass_fixup_cfg): New pass.
8769         * passes.c (init_optimization_passes): Add fixup_cfg.
8770
8771 2009-03-28  Richard Guenther  <rguenther@suse.de>
8772
8773         PR tree-optimization/38458
8774         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
8775         argument use the arguments copy-of value.
8776
8777 2009-03-28  Richard Guenther  <rguenther@suse.de>
8778
8779         PR tree-optimization/38180
8780         * tree-ssa-ccp.c (get_default_value): Simplify.
8781         (likely_value): Likewise.
8782         (surely_varying_stmt_p): Properly handle VOP case.
8783         (ccp_initialize): Likewise.
8784         (ccp_fold): Handle propagating through *&.
8785         (fold_const_aggregate_ref): Also handle decls.
8786
8787 2009-03-28  Jan Hubicka  <jh@suse.cz>
8788
8789         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
8790         * cgraph.h (cgraph_node): Likewise.
8791         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
8792         (cgraph_reset_node): Use process flag.
8793         (cgraph_mark_functions_to_output): Likewise.
8794         (cgraph_expand_function): Likewise.
8795         (cgraph_expand_all_functions): Likewise.
8796         (cgraph_output_in_order): Likewise.
8797         * dwarf2out.c (reference_to_unused): Likewise.
8798         * passes.c do_per_function_toporder): Likewise.
8799
8800 2009-03-28  Jan Hubicka  <jh@suse.cz>
8801
8802         Bring from lto-branch:
8803
8804         2008-09-03  Doug Kwan  <dougkwan@google.com>
8805
8806         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
8807         enums instead of reason strings.
8808         * cgraph.c (cgraph_create_edge): Same.
8809         (cgraph_inline_failed_string): New function.
8810         * cgraph.h (cgraph_inline_failed_t): New enum type.
8811         (cgraph_inline_failed_string): New prototype.
8812         (struct cgraph_edge): Change type of INLINED_FAILED from constant
8813         char pointer to cgraph_inline_failed_t.
8814         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
8815         (cgraph_default_inline_p): Ditto.
8816         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
8817         to cgraph_inline_failed_t pointer.
8818         * cif-code.def: New file.
8819         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
8820         reason string.
8821         (cgraph_check_inline_limits): Change type of REASON to pointer to
8822         cgraph_inline_failed_t.  Replace reason strings with enums.
8823         (cgraph_default_inline_p): Ditto.
8824         (cgraph_recursive_inlining_p): Ditto.
8825         (update_caller_keys): Change type of FAILED_REASON to
8826         cgraph_inline_failed_t.
8827         (cgraph_set_inline_failed): Change type of REASON to pointer to
8828         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
8829         convert enums to strings for text output.
8830         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
8831         to be of type cgraph_inline_failed_t.  Replace reason strings with
8832         enums.  Call cgraph_inline_failed_string to covert enums
8833         to strings for text output.
8834         (cgraph_decide_inlining): Replace reason strings with enums.
8835         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
8836         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
8837         for text output.
8838         * tree-inline.c (expand_call_inline): Change type of REASON
8839         to cgraph_inline_failed_t.  Replace reason strings with enums.
8840         Call cgraph_inline_failed_string for text output.
8841         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
8842         (cgraph.o): Ditto.
8843
8844 2009-03-28  Jan Hubicka  <jh@suse.cz>
8845
8846         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
8847         cgraph_clone_node): Remove master clone handling.
8848         (cgraph_is_master_clone, cgraph_master_clone): Remove.
8849         * cgraph.h (master_clone): Remove.
8850         (cgraph_is_master_clone, cgraph_master_clone): Remove.
8851         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
8852         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
8853
8854 2009-03-28  Jan Hubicka  <jh@suse.cz>
8855
8856         * cgraph.c (cgraph_function_body_availability): Functions declared
8857         inline are always safe to assume that it is not going to be replaced.
8858
8859 2009-03-28  Richard Guenther  <rguenther@suse.de>
8860
8861         PR tree-optimization/38513
8862         * tree-ssa-pre.c (eliminate): Remove redundant stores.
8863         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
8864         EXC_PTR_EXPR and FILTER_EXPR.
8865         (get_ref_from_reference_ops): Likewise.
8866
8867 2009-03-28  Richard Guenther  <rguenther@suse.de>
8868
8869         PR tree-optimization/38968
8870         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
8871         Use FLOOR_MOD_EXPR to compute misalignment.
8872
8873 2009-03-28  Richard Guenther  <rguenther@suse.de>
8874
8875         PR tree-optimization/37795
8876         * tree.h (combine_comparisons): Declare.
8877         * fold-const.c (combine_comparisons): Export.
8878         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
8879         comparisons.
8880         (ifcombine_iforif): Use combine_comparisons.
8881
8882 2009-03-28  Jan Hubicka  <jh@suse.cz>
8883
8884         * tree-eh.c (inlinable_call_p): New function.
8885         (make_eh_edges): Use it.
8886         (verify_eh_edges): Use it.
8887         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
8888         * except.c (reachable_next_level): Add inlinable_function argument
8889         (sjlj_find_directly_reachable_regions): Update.
8890         (add_reachable_handler): Do not set saw_any_handlers.
8891         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
8892         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
8893         Add new inlinable call parameter.
8894         (can_throw_internal, can_throw_external): Update.
8895         * except.h (can_throw_internal_1, can_throw_external_1,
8896         foreach_reachable_handler): Update declaration.
8897
8898 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
8899
8900         * config/arm/t-arm-coff, config/h8300/coff.h,
8901         config/i386/i386-aout.h, config/i386/i386-coff.h,
8902         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
8903         config/pdp11/2bsd.h, config/rs6000/aix41.h,
8904         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
8905         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
8906         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
8907         sys-types.h: Remove.
8908         * Makefile.in: Remove protoize and fixproto support and references
8909         in comments.
8910         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
8911         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
8912         Remove.
8913         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
8914         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
8915         unprotoize$(exeext).
8916         (rest.encap): Don't depend on $(STMP_FIXPROTO)
8917         (.PHONY): Don't depend on proto.
8918         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
8919         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
8920         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
8921         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
8922         build/gen-protos.o, build/scan.o, xsys-protos.h,
8923         build/fix-header$(build_exeext), build/fix-header.o,
8924         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
8925         stmp-install-fixproto): Remove.
8926         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
8927         SYSCALLS.c or fixproto files.
8928         (install-common): Don't install protoize.
8929         (install-headers-tar, install-headers-cpio, install-headers-cp):
8930         Don't depend on $(STMP_FIXPROTO).
8931         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
8932         install fixproto files or write out fixproto settings.
8933         (uninstall): Don't uninstall protoize.
8934         * config.gcc (use_fixproto): Remove.
8935         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
8936         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
8937         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
8938         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
8939         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
8940         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
8941         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
8942         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
8943         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
8944         * config/t-vxworks (STMP_FIXPROTO): Remove.
8945         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
8946         STMP_FIXPROTO): Remove.
8947         * config.in, configure: Regenerate.
8948         * crtstuff.c (gid_t, uid_t): Don't undefine.
8949         * doc/install.texi: Change m68k-coff to m68k-elf in example.
8950         (arm-*-coff, arm-*-aout: Remove target entries.
8951         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
8952         Remove mention of AIX 4.1.
8953         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
8954         * doc/invoke.texi (Running Protoize): Remove.
8955         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
8956         (Protoize Caveats): Remove.
8957         * tsystem.h: Update comments on headers assumed to exist.
8958
8959 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
8960
8961         * genautomata.c: Add a new year to the copyright.  Add a new
8962         reference.
8963         (struct insn_reserv_decl): Add comments for member bypass_list.
8964         (find_bypass): Remove.
8965         (insert_bypass): New.
8966         (process_decls): Use insert_bypass.
8967         (output_internal_insn_latency_func): Output all bypasses with the
8968         same input insn in one switch case.
8969
8970         * rtl.def (define_bypass): Describe bypass choice.
8971         * doc/md.texi (define_bypass): Ditto.
8972
8973 2009-03-27  Richard Guenther  <rguenther@suse.de>
8974
8975         * gimplify.c (mark_addressable): Export.
8976         * tree-flow.h (mark_addressable): Declare.
8977         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
8978         * tree-ssa.c (verify_phi_args): Verify that address taken
8979         variables have TREE_ADDRESSABLE set.
8980
8981 2009-03-27  Richard Guenther  <rguenther@suse.de>
8982
8983         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
8984         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
8985         Do not mark decls TREE_ADDRESSABLE.
8986         (build_fold_addr_expr): Adjust.
8987         (fold_addr_expr): Remove.
8988         (fold_unary): Use build_fold_addr_expr.
8989         (fold_comparison): Likewise.
8990         (split_address_to_core_and_offset): Likewise.
8991         * coverage.c (tree_coverage_counter_addr): Mark the array decl
8992         TREE_ADDRESSABLE.
8993         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
8994         (gimplify_modify_expr_to_memcpy): Mark source and destination
8995         addressable.
8996         * omp-low.c (create_omp_child_function): Mark the object decl
8997         TREE_ADDRESSABLE.
8998         (lower_rec_input_clauses): Mark the var we take the address of
8999         TREE_ADDRESSABLE.
9000         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
9001
9002 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9003
9004         PR middle-end/39315
9005         * cfgexpand.c (expand_one_stack_var_at): Change alignment
9006         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
9007
9008 2009-03-27  Richard Guenther  <rguenther@suse.de>
9009
9010         PR tree-optimization/39120
9011         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
9012         constraints.
9013         (handle_lhs_call): Process return constraints.  Add escape
9014         constraints if necessary.
9015         (handle_const_call): Fill out return constraints.  Make nested
9016         case more precise.  Avoid consttmp if possible.
9017         (handle_pure_call): Fill out return constraints.  Avoid
9018         callused if possible.
9019         (find_func_aliases): Simplify call handling.
9020
9021 2009-03-27  Richard Guenther  <rguenther@suse.de>
9022
9023         PR tree-optimization/39120
9024         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
9025         as a representative.
9026         (solve_graph): Do propagate CALLUSED.
9027         (handle_pure_call): Use a scalar constraint from CALLUSED for
9028         the return value.
9029         (find_what_p_points_to): CALLUSED shall not appear in poins-to
9030         solutions.
9031
9032 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9033
9034         PR c/39323
9035         * c-common.c (handle_aligned_attribute): Properly check alignment
9036         overflow.  Use (1U << i) instead of (1 << i).
9037
9038         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
9039
9040         * expr.h (get_mem_align_offset): Updated.
9041
9042         * tree.h (tree_decl_common): Change align to "unsigned int" and
9043         move it before pointer_alias_set.
9044
9045 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9046             Jakub Jelinek  <jakub@redhat.com>
9047
9048         PR target/38034
9049         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
9050         gr_register_operand with gr_reg_or_0_operand.
9051         (cmpxchg_rel_di): Likewise.
9052         (sync_lock_test_and_set<mode>): Likewise.
9053
9054 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9055
9056         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
9057         (true_regnum): Likewise.
9058
9059         * rtlanal.c (subreg_info): Moved to ...
9060         * rtl.h (subreg_info): Here.  New.
9061         (subreg_get_info): New.
9062
9063         * rtlanal.c (subreg_get_info): Make it extern.
9064
9065 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9066
9067         PR target/39472
9068         * config/i386/i386.c (ix86_abi): New.
9069         (override_options): Handle -mabi=.
9070         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
9071         (ix86_call_abi_override): Likewise.
9072         (init_cumulative_args): Likewise.
9073         (function_arg_advance): Likewise.
9074         (function_arg_64): Likewise.
9075         (function_arg): Likewise.
9076         (ix86_pass_by_reference): Likewise.
9077         (ix86_function_value_regno_p): Likewise.
9078         (ix86_build_builtin_va_list_abi): Likewise.
9079         (setup_incoming_varargs_64): Likewise.
9080         (is_va_list_char_pointer): Likewise.
9081         (ix86_init_machine_status): Likewise.
9082         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
9083         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
9084         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
9085         (ix86_function_abi): Make it static and return enum calling_abi.
9086         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
9087         with ix86_abi.
9088         (ix86_fn_abi_va_list): Updated.
9089
9090         * config/i386/i386.h (ix86_abi): New.
9091         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
9092         (CONDITIONAL_REGISTER_USAGE): Likewise.
9093         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
9094         (machine_function): Likewise.
9095
9096         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
9097         with ix86_abi.
9098         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
9099         (STACK_BOUNDARY): Likewise.
9100         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
9101
9102         * config/i386/i386.opt (mabi=): New.
9103
9104         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
9105         return enum calling_abi.
9106         (ix86_function_type_abi): Likewise.
9107         (ix86_function_abi): Removed.
9108
9109         * doc/invoke.texi: Document -mabi= option for x86.
9110
9111 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9112
9113         * builtins.c (real_dconstp): Delete.
9114         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
9115
9116 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
9117             Jakub Jelinek  <jakub@redhat.com>
9118
9119         PR debug/37959
9120         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
9121         (gen_subprogram_die): When a function is explicit, generate the
9122         DW_AT_explicit attribute.
9123         * langhooks.h (struct lang_hooks_for_decls): Add
9124         function_decl_explicit_p langhook.
9125         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
9126         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
9127
9128 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
9129
9130         * builtins.c (fold_builtin_memory_op): Optimize memmove
9131         into memcpy if we can prove source and destination don't overlap.
9132
9133         * tree-inline.c: Include gt-tree-inline.h.
9134         (clone_fn_id_num): New variable.
9135         (clone_function_name): New function.
9136         (tree_function_versioning): Use it.
9137         * Makefile.in (GTFILES): Add tree-inline.c.
9138
9139 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
9140
9141         * BASE-VER: Change to 4.5.0.
9142
9143 2009-03-27  Xinliang David Li  <davidxl@google.com>
9144
9145         PR tree-optimization/39557
9146         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
9147
9148 2009-03-27  Xinliang David Li  <davidxl@google.com>
9149
9150         PR tree-optimization/39548
9151         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
9152         candidate check.
9153
9154 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9155
9156         * c-common.c (pointer_int_sum): Use %wd on return from
9157         tree_low_cst.
9158
9159 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9160
9161         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
9162         on return from tree_low_cst.
9163
9164 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9165
9166         PR c++/36799
9167         * ginclude/stdarg.h (va_copy): Define also for
9168         __GXX_EXPERIMENTAL_CXX0X__.
9169
9170 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9171
9172         PR c++/35652
9173         * builtins.h (c_strlen): Do not warn here.
9174         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
9175         * c-common.c (pointer_int_sum): Take an explicit location.
9176         Warn about offsets out of bounds.
9177         * c-common.h (pointer_int_sum): Adjust declaration.
9178
9179 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9180
9181         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
9182         markup glitch.
9183
9184 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
9185
9186         PR c++/39554
9187         * opts.c (warn_if_disallowed_function_p): Don't assume
9188         get_callee_fndecl must return non-NULL.
9189
9190 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
9191
9192         PR rtl-optimization/39522
9193         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
9194         when reg_reloaded_valid is set.
9195
9196 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9197
9198         * config/spu/divv2df3.c: New file.
9199         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
9200         (DPBIT_FUNCS): Filter out _div_df.
9201
9202 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
9203
9204         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
9205         a jump insn, count that jump in the distance to the loop start.
9206
9207 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
9208
9209         PR target/39523
9210         * config/sh/sh.c (calc_live_regs): Fix condition for global
9211         registers except PIC_OFFSET_TABLE_REGNUM.
9212
9213 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
9214
9215         PR/39518
9216         * doc/invoke.texi (-mconsole): New.
9217         (-mcygwin): New.
9218         (-mno-cygwin): New.
9219         (-mdll): New.
9220         (-mnop-fun-dllimport): New.
9221         (-mthread): New.
9222         (-mwin32): New.
9223         (-mwindows): New.
9224         (sub section "i386 and x86-64 Windows Options"): New.
9225
9226 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
9227
9228         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
9229         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
9230
9231 2009-03-25  Richard Guenther  <rguenther@suse.de>
9232
9233         PR middle-end/39497
9234         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
9235         of -Wno-error.
9236
9237 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
9238
9239         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
9240         neither of haifa/selective schedulers are working.
9241
9242 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9243
9244         * doc/invoke.texi (Debugging Options): Fix description of
9245         -fno-merge-debug-strings.
9246
9247 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
9248
9249         * config/cris/libgcc.ver: New version-script.
9250         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
9251
9252         * configure.ac <GAS features, nop mnemonic>: Add pattern
9253         crisv32-*-* for "nop".
9254         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
9255         * configure: Regenerate.
9256
9257 2009-03-24  Ira Rosen  <irar@il.ibm.com>
9258
9259         PR tree-optimization/39529
9260         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
9261         mark_sym_for_renaming for the tag copied to the new vector
9262         pointer.
9263
9264 2009-03-24  Arthur Loiret  <aloiret@debian.org>
9265
9266         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
9267         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
9268         EXTRA_SPEC_FUNCTIONS.
9269         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
9270         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
9271         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
9272         -march and -mtune options.
9273
9274 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
9275
9276         * config/m68k/t-rtems: Add m5329 multilib.
9277
9278 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
9279             Jakub Jelinek  <jakub@redhat.com>
9280
9281         PR debug/39524
9282         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
9283         nodes.
9284
9285 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
9286
9287         PR c/39495
9288         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
9289         instead of c_parser_expression_conv, if original_code isn't one of the
9290         4 allowed comparison codes, fail.
9291
9292 2009-03-23  Richard Guenther  <rguenther@suse.de>
9293
9294         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
9295         * tree.h (struct tree_type): Likewise.
9296         * reload.h (struct insn_chain): Likewise.
9297         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
9298         * function.h (struct function): Likewise.
9299         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
9300
9301 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
9302
9303         PR tree-optimization/39516
9304         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
9305
9306 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
9307
9308         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
9309         should be set true if BITS_PER_WORD of target is bigger than 32
9310
9311 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
9312
9313         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
9314         Translate -B-options to -rpath-link.  Correct existing
9315         rpath-link and conditionalize on !nostdlib.
9316
9317 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9318
9319         * doc/extend.texi (Function Attributes, Variable Attributes):
9320         Fix typos.
9321         * doc/invoke.texi (Debugging Options, Optimize Options)
9322         (i386 and x86-64 Options, MCore Options): Likewise.
9323
9324 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
9325
9326         PR debug/37890
9327         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
9328         it for block local namespace aliases.
9329         (gen_decl_die): Pass context_die to gen_namespace_die.
9330
9331 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
9332
9333         PR c/39495
9334         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
9335         minimum or maximum value.
9336
9337 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
9338
9339         * reginfo.c (globalize_reg): Recompute derived reg sets.
9340
9341 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
9342
9343         PR target/39063
9344         * libgcc2.c (mprotect): Do not use signed arguments for
9345         VirtualProtect, use DWORD arguments.  Also fix the 'may
9346         be used uninitialized' warning for the np variable.
9347
9348 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
9349
9350         PR target/39496
9351         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
9352         functions using regparm calling conventions when not optimizing.
9353         (ix86_function_sseregparm): Similarly for sseregparm calling
9354         conventions.
9355
9356 2009-03-19  Li Feng  <nemokingdom@gmail.com>
9357
9358         PR middle-end/39500
9359         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
9360         dependence if the first conflict is after niter iterations.
9361
9362 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
9363
9364         PR middle-end/38609
9365         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
9366         functions with dynamic stack-pointer adjustments.
9367
9368 2009-03-19  Ben Elliston  <bje@au.ibm.com>
9369
9370         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
9371         option; change to -msdata=data.
9372
9373 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9374
9375         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
9376         and -fopenmp.
9377
9378 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
9379
9380         PR target/35180
9381         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
9382
9383 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
9384
9385         * doc/invoke.texi (Code Gen Options): Expand discussion of
9386         -fno-common.
9387
9388 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
9389
9390         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
9391         * matrix-reorg.c (struct matrix_info): Likewise.
9392         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
9393         * rtl.h (struct mem_attrs): Likewise.
9394         * df.h (struct df): Likewise.
9395         * tree-data-ref.h (struct data_dependence_relation): Likewise.
9396         * ira-int.h (struct ira_allocno): Likewise.
9397         * df-scan.c (struct df_collection_rec): Likewise.
9398         * ira.c (struct equivalence): Likewise.
9399         * function.c (struct temp_slot): Likewise.
9400         * cfgloop.h (struct loop): Likewise.
9401
9402         PR debug/39485
9403         * function.c (use_register_for_decl): When not optimizing, disregard
9404         register keyword for variables with types containing methods.
9405
9406 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
9407
9408         PR middle-end/39447
9409         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
9410         (is_simple_operand): Call contains_component_ref_p before calling data
9411         reference analysis that would fail on COMPONENT_REFs.
9412
9413         * tree-vrp.c (search_for_addr_array): Fix formatting.
9414
9415 2009-03-18  Richard Guenther  <rguenther@suse.de>
9416
9417         * tree-vect-transform.c (vect_loop_versioning): Fold the
9418         generated comparisons.
9419         * tree-vectorizer.c (set_prologue_iterations): Likewise.
9420         (slpeel_tree_peel_loop_to_edge): Likewise.
9421
9422 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9423
9424         PR middle-end/37805
9425         * opts.c (print_specific_help): In addition to `undocumented',
9426         accept `separate' and `joined' flags if passed alone.  Describe
9427         output by the first matched one of those.
9428         (common_handle_option): Skip over empty strings.
9429         * gcc.c (display_help): Fix help string for `--help='.
9430         * doc/invoke.texi (Option Summary, Overall Options): With
9431         `--help=', classes and qualifiers can both be repeated, but
9432         only the latter can be negated.  One should not pass only
9433         negated qualifiers.  Fix markup and examples.
9434
9435         Revert
9436         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
9437         PR middle-end/37805
9438         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
9439         and -fhelp=separate.
9440
9441 2009-03-17  Jing Yu  <jingyu@google.com>
9442
9443         PR middle-end/39378
9444         * function.h (struct rtl_data): Move is_thunk from here...
9445         (struct function): ...to here.
9446         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
9447         * varasm.c (assemble_start_function): Change is_thunk from crtl to
9448         cfun.
9449         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
9450         cfun.
9451         (alpha_does_function_need_gp, alpha_start_function): Likewise.
9452         (alpha_output_function_end_prologue): Likewise.
9453         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
9454         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
9455         (rs6000_output_function_epilogue): Likewise.
9456         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
9457
9458 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
9459
9460         PR target/39482
9461         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
9462         from different units in a single alternative.
9463         (*truncdfsf_i387): Ditto.
9464         (*truncxfsf2_mixed): Ditto.
9465         (*truncxfdf2_mixed): Ditto.
9466
9467 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
9468
9469         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
9470         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
9471
9472         PR debug/39474
9473         * tree-ssa-live.c (remove_unused_locals): Don't remove local
9474         unused non-artificial variables when not optimizing.
9475
9476         PR debug/39471
9477         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
9478         DW_TAG_imported_module even if decl is IMPORTED_DECL with
9479         NAMESPACE_DECL in its DECL_INITIAL.
9480
9481         PR middle-end/39443
9482         * optabs.c (set_user_assembler_libfunc): New function.
9483         * expr.h (set_user_assembler_libfunc): New prototype.
9484         * c-common.c: Include libfuncs.h.
9485         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
9486         for memcmp, memset, memcpy, memmove and abort.
9487         * Makefile.in (c-common.o): Depend on libfuncs.h.
9488
9489         PR debug/39412
9490         * dwarf2out.c (gen_inlined_enumeration_type_die,
9491         gen_inlined_structure_type_die, gen_inlined_union_type_die,
9492         gen_tagged_type_instantiation_die): Removed.
9493         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
9494         do nothing.
9495
9496 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
9497
9498         PR testsuite/38526
9499         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
9500         its use.
9501         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
9502         (check-parallel-%): Ditto.
9503         (check-consistency): Ditto.
9504
9505 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
9506
9507         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
9508         local variable rhs by NULL_TREE.
9509
9510 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9511
9512         PR target/39477
9513         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
9514
9515 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9516
9517         PR target/39476
9518         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
9519
9520 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9521
9522         PR target/39473
9523         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
9524         for ms->sysv ABI calls only in 64bit mode.
9525
9526         * config/i386/i386.md (untyped_call): Support 32bit.
9527
9528 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
9529
9530         * doc/extend.texi: Replace x86_65 with x86_64.
9531
9532 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
9533
9534         PR tree-optimization/39455
9535         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
9536         mismatches for POINTER_TYPE_P (type).
9537         (number_of_iterations_le): Likewise.
9538
9539 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
9540
9541         * config/picochip/picochip.c: Removed profiling support.
9542         * config/picochip/picochip.md: Removed profiling instruction.
9543         * config/picochip/picochip.h: Removed profiling builtin.
9544
9545 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
9546
9547         * doc/install.texi (--with-host-libstdcxx): Document.
9548
9549 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
9550
9551         PR target/34299
9552         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
9553         generate a warning if the function name does not begin with
9554         "__vector" and the function has either the 'signal' or 'interrupt'
9555         attribute, from here to ...
9556         (avr_declare_function_name): ...here. New function.
9557         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
9558         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
9559
9560 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
9561
9562         PR bootstrap/39454
9563         * cse.c (fold_rtx): Don't modify original const_arg1 when
9564         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
9565         separate variable instead.
9566         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
9567         from out of range shift counts.
9568         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
9569
9570 2009-03-13  Catherine Moore  <clm@codesourcery.com>
9571
9572         * config/i386/x-mingw32 (host-mingw32.o): Replace
9573         diagnostic.h with $(DIAGNOSTIC_H).
9574
9575 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
9576
9577         PR target/39431
9578         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
9579         predicate.
9580         * config/i386/sync.md (sync_compare_and_swap<mode>,
9581         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
9582         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
9583         into a register.
9584         (sync_double_compare_and_swapdi_pic,
9585         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
9586         cmpxchg8b_pic_memory_operand instead of just memory_operand.
9587
9588 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9589
9590         PR target/39445
9591         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
9592
9593 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9594
9595         PR target/39327
9596         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9597         (avx_addsubv4df3): Likewise.
9598         (*avx_addsubv4sf3): Likewise.
9599         (sse3_addsubv4sf3): Likewise.
9600
9601 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9602
9603         PR target/38824
9604         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
9605
9606 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
9607
9608         PR debug/39432
9609         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
9610         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
9611         registers for allocnos created from user-defined variables.
9612
9613 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9614
9615         PR target/39181
9616         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
9617         of non-integer mode as well.
9618
9619 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
9620
9621         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
9622         for functions for which the parameter types are unknown.
9623
9624 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
9625
9626         PR target/39137
9627         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
9628         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
9629         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
9630         * config/i386/i386.c (ix86_local_alignment): For
9631         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
9632         long long variables on the stack to avoid dynamic realignment.
9633         Allow the first argument to be a decl rather than type.
9634         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
9635
9636 2009-03-11  Nick Clifton  <nickc@redhat.com>
9637
9638         PR target/5362
9639         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
9640         options.
9641         Add description to mno-lsim option.
9642         * config/mcore/mcore.h: Remove comment about deprecated m4align
9643         option.
9644         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
9645         * doc/invoke.texi: Add description of mno-lsim and
9646         mstack-increment options.
9647
9648         * config/fr30/fr30.opt: Document the -mno-lsim option.
9649         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
9650         and -mno-lsim options.
9651
9652 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9653
9654         * fold-const.c (fold_comparison): Only call fold_inf_compare
9655         if the mode supports infinities.
9656
9657 2009-03-11  Jason Merrill  <jason@redhat.com>
9658
9659         PR debug/39086
9660         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
9661         end already did.  Notice GIMPLE_CALL modifications of the result.
9662         Don't copy debug information from an ignored decl or a decl from
9663         another function.
9664
9665 2009-03-10  Richard Guenther  <rguenther@suse.de>
9666             Nathan Froyd  <froydnj@codesourcery.com>
9667
9668         PR middle-end/37850
9669         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
9670         (__divMODE3): Likewise.
9671
9672 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
9673
9674         PR tree-optimization/39394
9675         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
9676         DECL_SIZE_UNIT of variable length FIELD_DECLs.
9677
9678 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9679
9680         * recog.c (verfiy_changes): Disallow renaming of hard regs in
9681         inline asms for register asm ("") declarations.
9682
9683 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
9684
9685         * fold-const.c (fold_unary): Fix comment.
9686
9687 2009-03-07  Jan Hubicka  <jh@suse.cz>
9688
9689         PR target/39361
9690         * tree-inline.c (setup_one_parameter): Do replacement of const
9691         argument by constant in SSA form.
9692
9693 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9694
9695         PR middle-end/38028
9696         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
9697         determine alignment passed to assign_stack_local.
9698         (assign_parms_unsplit_complex): Likewise.
9699         * except.c (sjlj_build_landing_pads): Likewise.
9700
9701 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
9702
9703         PR middle-end/39360
9704         * tree-flow.h (add_referenced_var): Return bool instead of void.
9705         * tree-dfa.c (add_referenced_var): Return result of
9706         referenced_var_check_and_insert call.
9707         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
9708         of referenced_var_check_and_insert.
9709
9710         PR debug/39372
9711         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
9712         (gen_variable_die): Emit DW_AT_location on abstract static variable's
9713         DIE, don't emit it if abstract origin already has it.
9714         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
9715         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
9716
9717 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
9718
9719         * genpreds.c (needs_variable): Fix parentheses at variable name
9720         detection.
9721         (write_tm_constrs_h): Indent generated code.
9722
9723 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9724
9725         * doc/extend.texi (Function Attributes): Add documentation
9726         for isr attributes.
9727
9728 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
9729
9730         PR debug/39387
9731         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
9732         take locus from its DECL_SOURCE_LOCATION instead of input_location.
9733
9734 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
9735
9736         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
9737         the loop as bad.
9738
9739 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
9740
9741         PR debug/39379
9742         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
9743         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
9744
9745 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
9746
9747         * config/i386/i386.md (R8_REG, R9_REG): New constants.
9748         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
9749         constants instead of magic numbers.
9750         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
9751         (QI_REG_P): Ditto.
9752         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
9753         (x86_64_ms_abi_int_parameter_registers): Ditto.
9754         (x86_64_int_return_registers): Ditto.
9755         (ix86_maybe_switch_abi): Ditto.
9756         (ix86_expand_call): Ditto for clobbered_registers array.
9757         (ix86_hard_regno_mode_ok): Ditto.
9758         (x86_extended_QIreg_mentioned_p): Ditto.
9759
9760 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
9761
9762         PR tree-optimization/39349
9763         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
9764
9765         * combine.c (gen_lowpart_for_combine): Use omode when generating
9766         clobber.
9767
9768 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
9769
9770         PR rtl-optimization/39235
9771         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
9772
9773 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
9774
9775         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
9776
9777 2009-03-04  Richard Guenther  <rguenther@suse.de>
9778
9779         PR tree-optimization/39362
9780         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
9781         that occur in abnormal PHIs should be varying.
9782
9783 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
9784
9785         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
9786         Extend comments.
9787         (simple_iv):  Take loop as an argument instead of statement.
9788         * tree-scalar-evolution.h (simple_iv): Declaration changed.
9789         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
9790         to simple_iv.
9791         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
9792         Ditto.
9793         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
9794         * matrix-reorg.c (analyze_transpose): Ditto.
9795         * tree-data-ref.c (dr_analyze_innermost): Ditto.
9796         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
9797         * tree-predcom.c (ref_at_iteration): Ditto.
9798         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
9799
9800 2009-03-04  Richard Guenther  <rguenther@suse.de>
9801
9802         PR tree-optimization/39358
9803         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
9804         escaped_id and callused_id.
9805         (solve_graph): Likewise.
9806
9807 2009-03-04  Richard Guenther  <rguenther@suse.de>
9808
9809         PR tree-optimization/39339
9810         * tree-sra.c (try_instantiate_multiple_fields): Make it
9811         no longer ICE on the above.
9812
9813 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
9814
9815         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
9816         that fits within Pmode.
9817
9818 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
9819
9820         PR middle-end/10109
9821         * tm.texi (LIBCALL_VALUE): Update description.
9822
9823 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
9824
9825         PR middle-end/34443
9826         * doc/extend.texi (section): Update description.
9827
9828 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
9829
9830         PR middle-end/39345
9831         * tree-inline.c (remapped_type): New.
9832         (can_be_nonlocal): Call remapped_type instead of remap_type.
9833
9834 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
9835
9836         PR fortran/39354
9837         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
9838         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
9839
9840 2009-03-03  Richard Guenther  <rguenther@suse.de>
9841
9842         PR middle-end/39272
9843         * tree.c (tree_nonartificial_location): New function.
9844         * tree.h (tree_nonartificial_location): Declare.
9845         * builtins.c (expand_builtin_memory_chk): Provide location
9846         of the call location for artificial function pieces.
9847         (maybe_emit_chk_warning): Likewise.
9848         (maybe_emit_sprintf_chk_warning): Likewise.
9849         (maybe_emit_free_warning): Likewise.
9850         * expr.c (expand_expr_real_1): Likewise.
9851
9852 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
9853
9854         PR tree-optimization/39343
9855         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
9856         COMPONENT_REF t has ARRAY_TYPE.
9857
9858 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
9859
9860         PR middle-end/39335
9861         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
9862         when the type precision of the induction variable should be
9863         larger than the type precision of nit.
9864         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
9865         * graphite.c (graphite_loop_normal_form): Same.
9866         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
9867
9868 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
9869
9870         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
9871         (*call_1_rex64_ms_sysv): Use named constants instead of magic
9872         numbers to describe clobbered registers.
9873         (*call_value_0_rex64_ms_sysv): Ditto.
9874         * config/i386/mmx.md (mmx_emms): Ditto.
9875         (mmx_femms): Ditto.
9876
9877 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
9878
9879         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
9880         of ABI_64.
9881
9882 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9883
9884         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
9885         (spu_section_type_flags): New function.
9886
9887 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
9888
9889         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
9890         reg_class_contents of FLOAT_REGS into a temporary.
9891
9892 2009-03-02  Richard Guenther  <rguenther@suse.de>
9893             Ira Rosen  <irar@il.ibm.com>
9894
9895         PR tree-optimization/39318
9896         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
9897         information to the vectorized statement.
9898
9899 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
9900
9901         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
9902         variable.  Use defined names instead of magic constants for REX SSE
9903         registers.
9904
9905 2009-03-01  Richard Guenther  <rguenther@suse.de>
9906
9907         PR tree-optimization/39331
9908         * omp-low.c (lower_send_shared_vars): Do not receive new
9909         values for the reference of DECL_BY_REFERENCE parms or results.
9910
9911 2009-03-01  Jan Hubicka  <jh@suse.cz>
9912
9913         PR debug/39267
9914         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
9915         BLOCK_NONLOCALIZED_VAR): New macros.
9916         (tree_block): Add nonlocalized_vars.
9917         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
9918         gen_decl_die): Add origin argument.  Allow generation of die with
9919         origin at hand only.
9920         (gen_member_die, gen_type_die_with_usage, force_decl_die,
9921         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
9922         of gen_*.
9923         (gen_block_die): Fix checking for unused blocks.
9924         (process_scope_var): Break out from .... ; work with origins only.
9925         (decls_for_scope) ... here; process nonlocalized list.
9926         (dwarf2out_ignore_block): Look for nonlocalized vars.
9927         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
9928         vars.
9929         (dump_scope_block): Dump them.
9930         * tree-inline.c (remap_decls): Handle nonlocalized vars.
9931         (remap_block): Likewise.
9932         (can_be_nonlocal): New predicate.
9933         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
9934
9935 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9936
9937         * configure: Regenerate.
9938
9939 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9940
9941         * optc-gen.awk: No need to duplicate option flags twice.
9942         Reuse help texts for duplicate options which do not have any.
9943
9944         * gcc.c (display_help): Document --version.
9945
9946         * gcc.c (main): If print_help_list and verbose_flag, ensure
9947         driver output comes before subprocess output.
9948
9949         * optc-gen.awk: Assign all remaining fields to help string,
9950         space-separated, for multi-line help in *.opt.
9951
9952         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
9953         -Wno-pedantic-ms-format is for MinGW targets only.
9954
9955         * doc/options.texi (Option file format): Fix bad indentation,
9956         restoring dropped sentence.
9957
9958 2009-02-28  Jan Hubicka  <jh@suse.cz>
9959
9960         * tree-inline.c (tree_function_versioning): Output debug info.
9961
9962 2009-02-28  Jan Hubicka  <jh@suse.cz>
9963
9964         PR debug/39267
9965         * tree-inline.c (setup_one_parameter): Do not copy propagate
9966         arguments when not optimizing.
9967
9968 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
9969
9970         PR target/39327
9971         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9972         (avx_addsubv4df3): Likewise.
9973         (*avx_addsubv4sf3): Likewise.
9974         (sse3_addsubv4sf3): Likewise.
9975         (*avx_addsubv2df3): Likewise.
9976         (sse3_addsubv2df3): Likewise.
9977         (avx_unpckhps256): Correct item selectors.
9978         (avx_unpcklps256): Likewise.
9979         (avx_unpckhpd256): Likewise.
9980         (avx_unpcklpd256): Likewise.
9981
9982 2009-02-28  Jan Hubicka  <jh@suse.cz>
9983
9984         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
9985         static vars.
9986         (copy_arguments_for_versioning): If var is declared don't declare it.
9987         (tree_function_versioning): First setup substitutions and then copy
9988         args.
9989
9990 2009-02-27  Jan Hubicka  <jh@suse.cz>
9991
9992         PR debug/39267
9993         * cgraph.h (varpool_output_debug_info): Remove.
9994         * cgraphunit.c (varpool_output_debug_info): Remove.
9995         * dwarf2out.c (deferred_locations_struct): New struct
9996         (deferred_locations): New type.
9997         (deferred_locations_list): New static var.
9998         (deffer_location): New function.
9999         (gen_variable_die): Use it.
10000         (decls_for_scope): Output info on local static vars.
10001         (dwarf2out_finish): Process deferred locations.
10002         * varpool.c (varpool_output_debug_info): Remove.
10003
10004 2009-02-27  Jan Hubicka  <jh@suse.cz>
10005
10006         PR debug/39267
10007         * tree.h (TREE_PROTECTED): Fix comment.
10008         (BLOCK_HANDLER_BLOCK): Remove.
10009         (struct tree_block): Remove handler_block add body_block.
10010         (inlined_function_outer_scope_p): New.
10011         (is_body_block): Remove.
10012         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
10013         * dwarf2out.c (is_inlined_entry_point): Remove.
10014         (add_high_low_attributes): Use inlined_function_outer_scope_p.
10015         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
10016         code.
10017         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
10018         * gimplify.c (gimplify_expr): Gimplify body blocks.
10019         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
10020         block with multiple subblocks.
10021         (dump_scope_block): Prettier output; dump more flags and info.
10022         (dump_scope_blocks): New.
10023         (remove_unused_locals): Use dump_scope_blocks.
10024         * tree-flow.h (dump_scope_blocks): Declare.
10025         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
10026         * stmt.c (is_body_block): Remove.
10027         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
10028         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
10029
10030 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
10031
10032         PR middle-end/39308
10033         * graphite.c (graphite_loop_normal_form): Do not call
10034         number_of_iterations_exit from a gcc_assert.
10035
10036 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10037
10038         * config/s390/s390.c (s390_swap_cmp): Look for conditional
10039         jumps if COND is NULL.
10040         (find_cond_jump): New function.
10041         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
10042         * config/s390/s390.md: Remove z10_cobra attribute value.
10043
10044 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
10045
10046         * config/alpha/alpha.h (alpha_expand_mov): Return false if
10047         force_const_mem returns NULL_RTX.
10048
10049 2009-02-26  Jan Hubicka  <jh@suse.cz>
10050
10051         PR debug/39267
10052         * cgraph.h (varpool_output_debug_info): Remove.
10053         * cgraphunit.c (varpool_output_debug_info): Remove.
10054         * dwarf2out.c (deferred_locations_struct): New struct
10055         (deferred_locations): New type.
10056         (deferred_locations_list): New static var.
10057         (deffer_location): New function.
10058         (gen_variable_die): Use it.
10059         (decls_for_scope): Output info on local static vars.
10060         (dwarf2out_finish): Process deferred locations.
10061         * varpool.c (varpool_output_debug_info): Remove.
10062
10063 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
10064
10065         PR rtl-optimization/39241
10066         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
10067         to subreg_offset_representable_p.
10068
10069 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
10070
10071         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
10072         execute function prototype.  Get f and nregs from max_reg_num
10073         and get_insns.  Remove the first backward pass as it's dead,
10074         guard the forward pass by flag_expensive_optimizations.
10075         (rest_of_handle_regmove): Delete.
10076         (pass_regmove): Replace it with regmove_optimize.
10077
10078 2009-02-25  Martin Jambor  <mjambor@suse.cz>
10079
10080         PR tree-optimization/39259
10081         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
10082         calls_alloca function flags.
10083         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
10084         calls are detected.
10085
10086 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
10087
10088         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
10089         flags_set_1_rtx, flags_set_1_set): Delete.
10090         (regmove_optimize): Do not call mark_flags_life_zones.
10091
10092 2009-02-24  Julian Brown  <julian@codesourcery.com>
10093
10094         PR target/35965
10095         * config/arm/arm.c (require_pic_register): Only set
10096         cfun->machine->pic_reg once per function.
10097
10098 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
10099
10100         * doc/invoke.texi (Link Options): Document an easier way to pass
10101         options that take arguments to the GNU linker using -Xlinker and -Wl.
10102
10103 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
10104
10105         PR target/33785
10106         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
10107
10108 2009-02-24  Richard Guenther  <rguenther@suse.de>
10109
10110         PR debug/39285
10111         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
10112
10113 2009-02-24  Richard Guenther  <rguenther@suse.de>
10114             Zdenek Dvorak  <ook@ucw.cz>
10115
10116         PR tree-optimization/39233
10117         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
10118         from converting them to a generic type.
10119
10120 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
10121
10122         PR tree-optimization/39260
10123         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
10124         contains a condition with a real type.
10125         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
10126
10127 2009-02-23  Jason Merrill  <jason@redhat.com>
10128
10129         PR c++/38880
10130         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
10131         narrowing_initializer_constant_valid_p.
10132         (narrowing_initializer_constant_valid_p): Don't return
10133         null_pointer_node for adding a pointer to itself.
10134
10135 2009-02-23  Jan Hubicka  <jh@suse.cz>
10136
10137         PR c/12245
10138         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
10139         resizing.
10140
10141 2009-02-23  Jan Hubicka  <jh@suse.cz>
10142
10143         PR tree-optimization/37709
10144         * tree.c (block_ultimate_origin): Move here from dwarf2out.
10145         * tree.h (block_ultimate_origin): Declare.
10146         * dwarf2out.c (block_ultimate_origin): Move to tree.c
10147         * tree-ssa-live.c (remove_unused_scope_block_p):
10148         Eliminate blocks containig no instructions nor live variables nor
10149         nested blocks.
10150         (dump_scope_block): New function.
10151         (remove_unused_locals): Enable removal of dead blocks by default;
10152         enable dumping at TDF_DETAILS.
10153
10154 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
10155
10156         * config/i386/i386.c (classify_argument): Don't allow COImode
10157         and OImode.
10158         (function_arg_advance_32): Don't allow OImode.
10159         (function_arg_32): Likewise.
10160         (function_value_32): Likewise.
10161         (return_in_memory_32): Likewise.
10162         (function_arg_64): Remove OImode comment.
10163
10164 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
10165
10166         PR target/39261
10167         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
10168         ix86_expand_vector_set for V4DImode in 64bit mode only.
10169         (ix86_expand_vector_init_one_var): Likewise.
10170
10171 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
10172
10173         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
10174
10175 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
10176
10177         PR bootstrap/39257
10178         * loop-iv.c: Revert last change.
10179         * emit-rtl.c: Likewise.
10180
10181 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
10182
10183         PR target/39256
10184         * config/i386/i386.c (type_natural_mode): Remove an extra
10185         space in the warning message.
10186         (function_value_32): Handle 32-byte vector modes.
10187         (return_in_memory_32): Likewise.
10188
10189 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
10190
10191         * loop-iv.c (truncate_value): New function.
10192         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
10193         of lowpart_subreg.
10194         (lowpart_subreg): Move to...
10195         * emit-rtl.c: ...here.
10196
10197 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
10198
10199         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
10200         accidental and undocumented change at revision 140860.
10201
10202 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
10203
10204         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
10205         take gimple_seq * arguments.
10206         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
10207         types_compatible_p langhook.
10208
10209 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
10210             Joseph Myers  <joseph@codesourcery.com>
10211
10212         * config/arm/arm.c (arm_builtin_va_list): New function.
10213         (arm_expand_builtin_va_start): Likewise.
10214         (arm_gimplify_va_arg_expr): Likewise.
10215         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
10216         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
10217         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
10218         (va_list_type): New variable.
10219         (arm_mangle_type): Mangle va_list_type appropriately.
10220
10221 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
10222
10223         PR middle-end/39157
10224         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
10225         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
10226         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
10227         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
10228         parameter to 1000 for -O1 by default.
10229         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
10230         parameter.
10231         * loop-invariant.c: Include params.h.
10232         (move_loop_invariants): Don't call move_single_loop_invariants on
10233         very large loops.
10234
10235 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
10236
10237         * calls.c (emit_library_call_value_1): Use slot_offset instead of
10238         offset when calculating bounds for indexing stack_usage_map.  Fixes
10239         a buffer overflow with certain target setups.
10240
10241 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
10242
10243         PR target/39240
10244         * calls.c (expand_call): Clear try_tail_call if caller and callee
10245         disagree in promotion of function return value.
10246
10247 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
10248
10249         PR target/39175
10250         * c-common.c (c_determine_visibility): If visibility changed and
10251         DECL_RTL has been already set, call make_decl_rtl to update symbol
10252         flags.
10253
10254 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
10255
10256         PR c++/39188
10257         * varasm.c (assemble_variable): Don't check DECL_NAME when
10258         globalizing a variable.
10259
10260 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
10261
10262         PR c/38483
10263         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
10264         expression before any __builtin_trap call.
10265         * c-typeck.c (build_function_call): Convert and check function
10266         arguments before generating a call to a trap.  Evaluate the
10267         function arguments before the trap.
10268
10269 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
10270
10271         PR target/39228
10272         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
10273         (UNSPEC_FXAM_MEM): New unspec.
10274         (fxam<mode>2_i387_with_temp): New insn and split pattern.
10275         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
10276         memory using fxam<mode>2_i387_with_temp to remove excess precision.
10277
10278 2009-02-19  Richard Guenther  <rguenther@suse.de>
10279
10280         PR tree-optimization/39207
10281         PR tree-optimization/39074
10282         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
10283         storedanything_tree): New.
10284         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
10285         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
10286         (build_succ_graph): Add edges from STOREDANYTHING to all
10287         non-direct nodes.
10288         (init_base_vars): Initialize STOREDANYTHING.
10289         (compute_points_to_sets): Free substitution info after
10290         building the succ graph.
10291         (ipa_pta_execute): Likewise.
10292
10293         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
10294         field.
10295         (do_ds_constraint): Do not add to special var or non-pointer
10296         field solutions.
10297         (type_could_have_pointers): Split out from ...
10298         (could_have_pointers): ... here.  For arrays use the element type.
10299         (create_variable_info_for): Initialize may_have_pointers.
10300         (new_var_info): Likewise.
10301         (handle_lhs_call): Make the HEAP variable unknown-sized.
10302         (intra_create_variable_infos): Use a type with pointers for
10303         PARM_NOALIAS, make it unknown-sized.
10304
10305 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
10306
10307         PR target/39224
10308         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
10309
10310 2009-02-18  Jason Merrill  <jason@redhat.com>
10311
10312         PR target/39179
10313         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
10314         value if DECL_EXTERNAL.
10315         * tree-sra.c (sra_walk_gimple_assign): Likewise.
10316         * target.h (gcc_target::binds_local_p): Clarify "module".
10317         * tree.h (TREE_PUBLIC): Clarify "module".
10318
10319 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
10320
10321         PR target/38891
10322         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
10323         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
10324
10325 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
10326
10327         PR target/39082
10328         * c.opt (Wabi): Support C and ObjC.
10329         (Wpsabi): New.
10330
10331         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
10332
10333         * config/i386/i386.c (classify_argument): Warn once about the ABI
10334         change when passing union with long double.
10335
10336         * doc/invoke.texi: Update -Wabi for warning psABI changes.
10337
10338 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
10339
10340         PR c/35447
10341         * c-parser.c (c_parser_compound_statement): Always enter and leave
10342         a scope.
10343
10344 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10345
10346         PR target/34587
10347         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
10348
10349 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
10350
10351         PR tree-optimization/36922
10352         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
10353         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
10354         Likewise.
10355
10356 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
10357
10358         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
10359         to 0 for EABI64.
10360
10361 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
10362
10363         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
10364
10365 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
10366
10367         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
10368         tree sharing.
10369
10370 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
10371             Richard Sandiford  <rdsandiford@googlemail.com>
10372
10373         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
10374         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
10375         (loongson_biadd): ...this.
10376
10377 2009-02-17  Richard Guenther  <rguenther@suse.de>
10378
10379         PR tree-optimization/39202
10380         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
10381         a var make sure to follow existing collapses.
10382
10383 2009-02-17  Richard Guenther  <rguenther@suse.de>
10384
10385         PR middle-end/39214
10386         * langhooks.c (lhd_print_error_function): Check for NULL block.
10387
10388 2009-02-17  Richard Guenther  <rguenther@suse.de>
10389
10390         PR tree-optimization/39204
10391         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
10392         of the PHI arg.
10393
10394 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
10395
10396         * config/soft-fp/double.h: Update from glibc CVS.
10397
10398 2009-02-17  Richard Guenther  <rguenther@suse.de>
10399
10400         PR tree-optimization/39207
10401         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
10402         strict-aliasing warnings for pointers pointing to NULL.
10403
10404 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
10405
10406         PR c/35446
10407         * c-parser.c (c_parser_braced_init): Call pop_init_level when
10408         skipping until next close brace.
10409
10410 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
10411
10412         PR target/37049
10413         * config/i386/i386.c (ix86_expand_push): Set memory alignment
10414         to function argument boundary.
10415
10416 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
10417
10418         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
10419         in the lea_add. Reload eventually constraints it properly.
10420         * config/picochip/constraints.md: Remove the target constraint
10421         "b", since it is not needed anymore.
10422
10423 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
10424
10425         * gthr-dce.h: Uglify function parameter and local variable names.
10426         * gthr-gnat.h: Likewise.
10427         * gthr-mipssde.h: Likewise.
10428         * gthr-nks.h: Likewise.
10429         * gthr-posix95.h: Likewise.
10430         * gthr-posix.h: Likewise.
10431         * gthr-rtems.h: Likewise.
10432         * gthr-single.h: Likewise.
10433         * gthr-solaris.h: Likewise.
10434         * gthr-tpf.h: Likewise.
10435         * gthr-vxworks.h: Likewise.
10436         * gthr-win32.h: Likewise.
10437
10438 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
10439
10440         PR target/39196
10441         * config/i386/i386.md: Restrict the new peephole2 to move
10442         between MMX/SSE registers.
10443
10444 2009-02-15  Richard Guenther  <rguenther@suse.de>
10445
10446         Revert
10447         2009-02-13  Richard Guenther  <rguenther@suse.de>
10448
10449         * configure.ac: Enable LFS.
10450         * configure: Re-generate.
10451         * config.in: Likewise.
10452
10453 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10454
10455         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
10456         spu_srqwbyte, spu_srqwbytebc): Define.
10457         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
10458         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
10459         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
10460         "shrqby_<mode>"): New insn-and-split patterns.
10461         * config/spu/spu.c (expand_builtin_args): Determine and return
10462         number of operands using spu_builtin_description data.
10463         (spu_expand_builtin_1): Use it.
10464
10465 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
10466
10467         PR target/38056
10468         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
10469         TARGET_CONST_GP.
10470
10471 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10472
10473         PR target/39149
10474         * config/i386/i386.c (override_options): Correct warning
10475         messages for -malign-loops, -malign-jumps and -malign-functions.
10476
10477 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10478
10479         PR target/39152
10480         * config/i386/i386.md: Restrict the new peephole2 to move
10481         between the general purpose registers.
10482
10483 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10484
10485         PR target/39162
10486         * config/i386/i386.c (type_natural_mode): Add a new argument.
10487         Return the original mode and warn ABI change if vector size is 32byte.
10488         (function_arg_advance): Updated.
10489         (function_arg): Likewise.
10490         (ix86_function_value): Likewise.
10491         (ix86_return_in_memory): Likewise.
10492         (ix86_sol10_return_in_memory): Likewise.
10493         (ix86_gimplify_va_arg): Likewise.
10494         (function_arg_32): Don't warn ABX ABI change here.
10495         (function_arg_64): Likewise.
10496
10497 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
10498
10499         * loop-iv.c (implies_p): In the final case, test that operands 0
10500         of the two comparisons match.
10501
10502         * config/bfin/bfin.c (find_prev_insn_start): New function.
10503         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
10504         (find_next_insn_start): Move.
10505
10506 2009-02-13  Richard Guenther  <rguenther@suse.de>
10507
10508         * configure.ac: Enable LFS.
10509         * configure: Re-generate.
10510         * config.in: Likewise.
10511
10512 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
10513
10514         PR c/35444
10515         * c-parser.c (c_parser_parms_list_declarator): Discard pending
10516         sizes on syntax error after some arguments have been parsed.
10517
10518 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
10519
10520         * doc/invoke.texi (-fira): Remove.
10521
10522 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10523
10524         * caller-save.c: Replace regclass.c with reginfo.c in comments.
10525         * recog.c: Likewise.
10526         * rtl.h: Likewise.
10527
10528 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
10529
10530         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
10531         (umul_ppmm): Likewise.
10532         (count_leading_zeros): Likewise.
10533         (count_trailing_zeros): Likewise.
10534         (UMUL_TIME): Likewise.
10535
10536 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10537
10538         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
10539         soft-fp/t-softfp to tmake_file.
10540
10541         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
10542         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
10543         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
10544         IA64_BUILTIN_INFQ]: New.
10545         (ia64_init_builtins): Initialize __builtin_infq,
10546         __builtin_fabsq and __builtin_copysignq if not HPUX.
10547         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
10548         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
10549
10550         * config/ia64/lib1funcs.asm (__divtf3): Define only if
10551         SHARED is defined.
10552         (__fixtfti): Likewise.
10553         (__fixunstfti): Likewise.
10554         (__floattitf): Likewise.
10555
10556         * config/ia64/libgcc-glibc.ver: New.
10557         * config/ia64/t-fprules-softfp: Likewise.
10558         * config/ia64/sfp-machine.h: Likewise.
10559
10560         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
10561         (LIBGCC2_TF_CEXT): Likewise.
10562         (TF_SIZE): Likewise.
10563         (TARGET_INIT_LIBFUNCS): Likewise.
10564
10565         * config/ia64/t-glibc (SHLINB_MAPFILES):
10566         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
10567
10568 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10569
10570         * config/i386/i386.c (construct_container): Rewrite processing
10571         BLKmode with X86_64_SSE_CLASS.
10572
10573 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
10574
10575         PR target/39152
10576         * config/i386/i386.md: Replace simplify_replace_rtx with
10577         replace_rtx in the new peephole2.
10578
10579 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
10580
10581         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
10582         loop unrolling do not happen at -O2.
10583
10584 2009-02-12  Michael Matz  <matz@suse.de>
10585
10586         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
10587
10588 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
10589
10590         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
10591         for -g3.
10592
10593 2009-02-12  Ben Elliston  <bje@au.ibm.com>
10594
10595         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
10596         patterns when updating the back chain.  Missed in the 2009-02-10
10597         change.
10598
10599 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
10600
10601         * doc/extend.texi (Decimal Floating Types): Update identifier of
10602         draft TR and list of missing support.
10603
10604 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
10605
10606         PR middle-end/39154
10607         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
10608         bit to variable length decl's flags, add it also to its
10609         pointer replacement variable.
10610
10611 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
10612             Jakub Jelinek  <jakub@redhat.com>
10613
10614         PR target/39118
10615         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
10616         (memory_blockage): New expander.
10617         (*memory_blockage): New insn pattern.
10618         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
10619         instead of general blockage at the end of function prologue when
10620         frame pointer is used to access red zone area.  Do not emit blockage
10621         when profiling, it is emitted in generic code.
10622         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
10623         function epilogue when frame pointer is used to access red zone area.
10624
10625 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
10626
10627         PR target/38824
10628         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
10629         by arithmetic with memory operands.
10630         * config/i386/predicates.md (commutative_operator): New.
10631
10632 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
10633
10634         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
10635         bulleted lists.
10636
10637 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
10638
10639         * alias.h (record_alias_subset): Declare.
10640         * alias.c (record_alias_subset): Make global.
10641
10642 2009-02-10  Nick Clifton  <nickc@redhat.com>
10643
10644         * tree-parloops.c: Change license to GPLv3.
10645         * ipa-struct-reorg.c: Change license to GPLv3.
10646         * ipa-struct-reorg.h: Change license to GPLv3.
10647
10648 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
10649
10650         PR c/39084
10651         * c-decl.c (start_struct): Return NULL on error.
10652
10653 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
10654
10655         PR middle-end/39124
10656         * cfgloopmanip.c (remove_path): Call remove_bbs after
10657         cancel_loop_tree, not before it.
10658
10659         PR target/39139
10660         * function.h (struct function): Add has_local_explicit_reg_vars bit.
10661         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
10662         VAR_DECLs were seen.
10663         * tree-ssa-live.c (remove_unused_locals): Recompute
10664         cfun->has_local_explicit_reg_vars.
10665         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
10666         copies or clearings if cfun->has_local_explicit_reg_vars.
10667
10668 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
10669
10670         PR target/39118
10671         * config/i386/i386.c (expand_prologue): Emit blockage at the end
10672         of function prologue when frame pointer is used to access
10673         red zone area.
10674
10675 2009-02-10  Richard Guenther  <rguenther@suse.de>
10676
10677         PR middle-end/39127
10678         * gimplify.c (gimple_regimplify_operands): Always look if
10679         we need to create a temporary.
10680
10681 2009-02-10  Richard Guenther  <rguenther@suse.de>
10682
10683         PR tree-optimization/39132
10684         * tree-loop-distribution.c (todo): New global var.
10685         (generate_memset_zero): Trigger TODO_rebuild_alias.
10686         (tree_loop_distribution): Return todo.
10687
10688 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
10689
10690         PR target/39119
10691         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
10692         (x86_64_reg_class_name): Removed.
10693         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
10694         first one isn't X86_64_SSE_CLASS or any other ones aren't
10695         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
10696         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
10697         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
10698         and 3 X86_64_SSEUP_CLASS.
10699         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
10700         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
10701
10702 2009-02-10  Ben Elliston  <bje@au.ibm.com>
10703
10704         * config/rs6000/rs6000.md (allocate_stack): Always use an update
10705         form instruction to update the stack back chain word, even if the
10706         user has disabled the generation of update instructions.
10707         (movdi_<mode>_update_stack): New.
10708         (movsi_update_stack): Likewise.
10709         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
10710         always use an update form instruction to update the stack back
10711         chain word.
10712
10713 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
10714
10715         PR middle-end/38953
10716         * graphite.c (if_region_set_false_region): After moving a region in
10717         the false branch of a condition, remove the empty dummy basic block.
10718         (gloog): Remove wrong fix for PR38953.
10719
10720 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10721
10722         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
10723         generation due to implicit sign extension.
10724
10725 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
10726
10727         PR middle-end/38981
10728         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
10729         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
10730
10731 2009-02-09  Richard Guenther  <rguenther@suse.de>
10732
10733         PR middle-end/35202
10734         * convert.c (convert_to_real): Disable (float)fn((double)x)
10735         to fnf(x) conversion if errno differences may occur and
10736         -fmath-errno is set.
10737
10738 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
10739
10740         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
10741         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10742         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10743
10744 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
10745
10746         PR c/35434
10747         * c-common.c (handle_alias_attribute): Disallow attribute for
10748         anything not a FUNCTION_DECL or VAR_DECL.
10749
10750 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
10751
10752         PR c/39035
10753         * real.c (do_compare): Special-case compare of zero against
10754         decimal float value.
10755
10756 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
10757
10758         PR c/36432
10759         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
10760         as indicating flexible array members unless the field itself is
10761         being declarared as the incomplete array.
10762
10763 2009-02-06  Jan Hubicka  <jh@suse.cz>
10764
10765         PR tree-optimization/38844
10766         * ipa-inline.c (try_inline): Stop inlining recursion when edge
10767         is already inlined.
10768
10769 2009-02-06  Richard Guenther  <rguenther@suse.de>
10770
10771         PR middle-end/38977
10772         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
10773         fork because we may expand it as __gcov_fork.
10774
10775 2009-02-06  Nick Clifton  <nickc@redhat.com>
10776
10777         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
10778
10779 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
10780
10781         PR tree-optimization/35659
10782         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
10783         vn_phi_eq): Shortcut if hashcode does not match.
10784         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
10785         NULL operands.
10786         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
10787         and avoid iterative_hash_expr.
10788         (FOR_EACH_VALUE_ID_IN_SET): New.
10789         (value_id_compare): Remove.
10790         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
10791         sort expressions by value id.
10792
10793 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
10794
10795         PR target/38991
10796         * config/sh/predicates.md (general_movsrc_operand): Don't check
10797         the subreg of system registers here.
10798
10799 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
10800
10801         PR c++/39106
10802         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
10803         on the copied decl.
10804
10805 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
10806
10807         PR rtl-optimization/39110
10808         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
10809         addresses, not aligned ones.
10810
10811 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
10812             Richard Guenther  <rguenther@suse.de>
10813
10814         PR tree-optimization/39100
10815         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
10816         comment says and add edges.
10817
10818 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
10819
10820         PR c/35435
10821         * c-common.c (handle_tls_model_attribute): Ignore attribute for
10822         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
10823
10824 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
10825
10826         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
10827         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
10828         register_bb_in_sese, new_sese, free_sese): Moved.
10829         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
10830         outermost_loop_in_scop, build_scop_iteration_domain,
10831         expand_scalar_variables_ssa_name, get_vdef_before_scop,
10832         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
10833         Use loop_in_sese_p instead of loop_in_scop_p.
10834         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
10835         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
10836         (scopdet_basic_block_info): Fix bug in scop detection.
10837         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
10838         eq_loop_to_cloog_loop): Remove.
10839         (nb_loops_around_loop_in_scop, nb_loop
10840         ref_nb_loops): Moved here...
10841         * graphite.h (ref_nb_loops): ... from here.
10842         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
10843         (loop_domain_dim, loop_iteration_vector_dim): Remove.
10844         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
10845         * testsuite/gcc.dg/graphite/scop-19.c: New
10846
10847 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
10848             Hans-Peter Nilsson  <hp@axis.com>
10849
10850         PR rtl-optimization/37889
10851         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
10852         Move offset handling from PLUS to before the switch.  Use new
10853         arguments when considering SYMBOL_REFs too.
10854         (rtx_addr_can_trap_p): Pass dummy offset and size.
10855         (enum may_trap_p_flags): Remove.
10856         (may_trap_p_1): Pass size from MEM_SIZE.
10857
10858         PR rtl-optimization/38921
10859         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
10860         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
10861         * rtlanal.c (may_trap_after_code_motion_p): Delete.
10862         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
10863
10864 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
10865
10866         AVX Programming Reference (January, 2009)
10867         * config/i386/sse.md (*vpclmulqdq): New.
10868
10869 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
10870
10871         PR tree-optimization/38977
10872         PR gcov-profile/38292
10873         * calls.c (special_function_p): Disregard __builtin_ prefix.
10874
10875 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
10876
10877         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
10878         non-indexable addresses even before reload.
10879
10880 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10881
10882         PR c/29129
10883         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
10884         as having variable size.  Do not give an error for unnamed
10885         parameters with [*] declarators.  Give a warning for type names
10886         with [*] declarators and mark them as variable size.
10887         * c-parser.c (c_parser_sizeof_expression): Do not give an error
10888         for sizeof applied to [*] type names.
10889
10890 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10891
10892         PR C++/36607
10893         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
10894
10895 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10896
10897         * gcc.c (process_command): Update copyright notice dates.
10898         * gcov.c (print_version): Likewise.
10899         * gcov-dump.c (print_version): Likewise.
10900         * mips-tfile.c (main): Likewise.
10901         * mips-tdump.c (main): Likewise.
10902
10903 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10904
10905         PR c/35433
10906         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
10907         for composite type involving a zero-length array type.
10908
10909 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10910
10911         PR target/35318
10912         * function.c (match_asm_constraints_1): Skip over
10913         initial optional % in the constraint.
10914
10915         PR inline-asm/39059
10916         * c-parser.c (c_parser_postfix_expression): If fixed point is not
10917         supported, don't accept FIXED_CSTs.
10918         * c-decl.c (finish_declspecs): Error if fixed point is not supported
10919         and _Sat is used without _Fract/_Accum.  Set specs->type to
10920         integer_type_node for cts_fract/cts_accum if fixed point is not
10921         supported.
10922
10923 2009-02-02  Catherine Moore  <clm@codesourcery.com>
10924
10925         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
10926
10927 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
10928
10929         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
10930         (ABI_HAS_64BIT_SYMBOLS): Use it.
10931         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
10932
10933 2009-02-02  Paul Brook  <paul@codesourcery.com>
10934
10935         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
10936
10937 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
10938
10939         PR inline-asm/39058
10940         * recog.h (asm_operand_ok): Add constraints argument.
10941         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
10942         recurse on matching constraint.
10943         (check_asm_operands): Pass constraints as 3rd argument to
10944         asm_operand_ok.  Don't look up matching constraint here.
10945         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
10946         to asm_operand_ok.
10947
10948 2009-02-02  Ben Elliston  <bje@au.ibm.com>
10949
10950         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
10951         TARGET_NARROW_VOLATILE_BITFIELD macro names.
10952
10953 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10954
10955         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
10956         information.  Remove some obsolete information.  Reorganize.
10957
10958         * config/pa/fptr.c: Revert license to GPL 2.
10959         * config/pa/milli64.S: Likewise.
10960
10961 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10962
10963         PR target/38904
10964         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
10965         LIBRARY name in, instead of hard-coding it.
10966         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
10967         extra target make frag to tmake_files according to EH model.
10968         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
10969         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
10970         frags that define makefile variable EH_MODEL appropriately.
10971         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
10972         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
10973         to "-sjlj" according to type of EH configured.
10974         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10975         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
10976         to "_sjlj" according to type of EH configured.
10977         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10978         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
10979         (SHLIB_LINK):  Add missing semicolon to if-else construct.
10980         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10981         string value of "pe_dll" command-line option.
10982         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
10983         (SHLIB_SONAME):  Use it when overriding t-cygming default.
10984         (SHLIB_IMPLIB):  Override t-cygming default.
10985         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10986         string value of "pe_dll" command-line option.
10987
10988 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10989
10990         PR target/38952
10991         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
10992         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
10993
10994 2009-01-31  Richard Guenther  <rguenther@suse.de>
10995
10996         PR tree-optimization/38937
10997         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
10998         computing the transitive closure.
10999
11000 2009-01-30  Richard Guenther  <rguenther@suse.de>
11001
11002         PR tree-optimization/39041
11003         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
11004         Propagate variable indices only if the types match for this stmt.
11005
11006 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
11007
11008         PR target/39013
11009         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
11010         inline but never defined.
11011
11012 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
11013
11014         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
11015         (*insv_h_di_reg_extimm): New insn.
11016         (*insv_l<mode>_reg_extimm): New insn.
11017
11018 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
11019
11020         * config/picochip/picochip.c (flag_conserve_stack): set
11021         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
11022         fconserve-stack. Reduce call-overhead used by inliner.
11023
11024 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
11025
11026         PR/38157
11027         * common.opt (flag_conserve_stack): Initialised to zero.
11028
11029 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
11030
11031         PR/39002
11032         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
11033         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
11034         method.
11035
11036 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
11037
11038         * ira-color.c (allocno_reload_assign): Update comments.
11039         * regmove.c (regmove_optimize): Likewise.
11040
11041         * ra.h: Removed.
11042
11043 2009-01-29  Robert Millan  <rmh@aybabtu.com>
11044
11045         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
11046         * config/i386/kopensolaris-gnu.h: New file.  Undefine
11047         `MD_UNWIND_SUPPORT'.
11048         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
11049
11050 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
11051
11052         PR tree-optimization/39007
11053         * tree-loop-distribution.c (generate_builtin): Use
11054         recompute_dominator to compute the immediate dominator of the
11055         basic block just after the loop.
11056
11057 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
11058
11059         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
11060         (ASM_OUTPUT_DWARF_PCREL): Define.
11061
11062 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
11063
11064         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
11065         * doc/passes.texi: Remove entries about regclass, local-alloc, and
11066         global.  Modify entries about regmove and IRA.
11067
11068         * ra-conflict.c: Remove the file.
11069
11070         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
11071
11072         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
11073         (pass_regclass_init): Rename to pass_reginfo_init.
11074
11075         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
11076
11077         * toplev.h (flag_ira): Remove.
11078
11079         * caller-save.c (setup_save_areas): Remove flag_ira.
11080
11081         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
11082
11083         * global.c: Remove the file.
11084
11085         * opts.c (decode_options): Remove flag_ira.
11086
11087         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
11088
11089         * regmove.c: Modify file description.
11090         (find_use_as_address, try_auto_increment): Define them only if
11091         AUTO_INC_DEC is defined.
11092         (replacement_quality, replace_in_call_usage, fixup_match_1,
11093         stable_and_no_regs_but_for_p): Remove.
11094         (reg_set_in_bb): Make it static.
11095         (regmove_optimize): Remove flag_ira and code which worked for
11096         !flag_ira.
11097
11098         * local-alloc.c: Remove the file.
11099
11100         * common.opt (fira): Remove.
11101
11102         * ira.c: Include except.h.
11103         (eliminable_regset): Move from global.c.
11104         (mark_elimination): Ditto.  Remove flag_ira.
11105         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
11106         equiv_mem_modified, validate_equiv_mem_from_store,
11107         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
11108         contains_replace_regs, memref_referenced_p, memref_used_between_p,
11109         no_equiv, recorded_label_ref): Move from local-alloc.c.
11110         (update_equiv_regs): Ditto.  Make it static.
11111         (print_insn_chain, print_insn_chains): Move it from global.c.
11112         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
11113         (build_insn_chain): Ditto.  Make it static.
11114         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
11115         Rename to init_live_subregs.
11116         (gate_ira): Remove flag_ira.
11117
11118         * regclass.c: Rename reginfo.c.  Change file description.
11119         (FORBIDDEN_INC_DEC_CLASSES): Remove.
11120         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
11121         (init_reg_sets_1): Remove code for evaluation of
11122         reg_class_superclasses and losing_caller_save_reg_set.
11123         (init_regs): Remove init_reg_autoinc.
11124         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
11125         ok_for_base_p_nonstrict): Remove.
11126         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
11127         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
11128         corresponding entries.
11129         (dump_regclass, record_operand_costs, scan_one_insn,
11130         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
11131         record_address_regs, auto_inc_dec_reg_p): Remove.
11132         (gt-regclass.h): Rename to gt-reginfo.h.
11133
11134         * rtl.h (dump_global_regs, retry_global_alloc,
11135         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
11136
11137         * Makefile.in (RA_H): Remove.
11138         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
11139         Rename regclass.o to reginfo.o.
11140         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
11141         gt-reginfo.h.
11142         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
11143         (GTFILES): Rename regclass.c to reginfo.c.
11144
11145         * passes.c (init_optimization_passes): Remove pass_local_alloc and
11146         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
11147
11148         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
11149         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
11150         Remove flag_ira.
11151         (finish_spills): Ditto.  Remove code for !flag_ira.
11152
11153 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
11154
11155         PR middle-end/35854
11156         * doc/invoke.texi (rtl debug options): Complete rewrite.
11157         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
11158         to auto_inc_dec".
11159         * mode-switching.c (pass_mode_switching): Rename pass from
11160         "mode-sw" to "mode_sw".
11161         * except.c (pass_convert_to_eh_ranges): Rename pass from
11162         "eh-ranges" to "eh_ranges".
11163         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
11164         to "subreg1".
11165
11166
11167 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
11168             Alexander Monakov  <amonakov@ispras.ru>
11169
11170         PR middle-end/38857
11171         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
11172         register.
11173         (move_exprs_to_boundary): Change return type and pass through
11174         should_move from move_op.  Relax assert.  Update usage ...
11175         (schedule_expr_on_boundary): ... here.  Use should_move instead of
11176         cant_move.
11177         (move_op_orig_expr_found): Indicate that insn was disconnected from
11178         stream.
11179         (code_motion_process_successors): Do not call after_merge_succs
11180         callback if original expression was not found when traversing any of
11181         the branches.
11182         (code_motion_path_driver): Change return type.  Update prototype.
11183         (move_op): Update comment.  Add a new parameter (should_move).  Update
11184         prototype.  Set *should_move based on indication provided by
11185         move_op_orig_expr_found.
11186
11187 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
11188
11189         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
11190         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
11191         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
11192         * config/rs6000/rs6000.c (rs6000_override_options): Default
11193         avoid-indexed-addresses on for Power6, off for everything else.
11194         (avoiding_indexed_address_p): New function.
11195         (rs6000_legitimize_address): Use it.
11196         (rs6000_legitimate_address): Likewise.
11197         * config/rs6000/rs6000.md (movXX_updateX): Likewise
11198
11199 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
11200
11201         PR tree-optimization/38997
11202         * tree-loop-distribution.c (generate_memset_zero): Use
11203         POINTER_PLUS_EXPR for a pointer addition.
11204
11205 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
11206
11207         * config/s390/s390.md (bswap<mode>2): New pattern added.
11208
11209 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
11210
11211         * config/s390/s390.md (*tls_load_31): Added type attribute.
11212
11213 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
11214
11215         * config/s390/s390.md: Fix a few comments.
11216
11217 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
11218
11219         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
11220         (*tm<mode>_full): Fixed z10prop attribute.
11221         (*tst<mode>_extimm): Fixed z10prop attribute.
11222         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
11223         (*tstqiCCT_cconly): Fixed z10prop attribute.
11224         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
11225         (*movsi_larl): Fixed z10prop attribute.
11226         (*movsi_zarch): Fixed z10prop attribute.
11227         (*movsi_eas): Fixed z10prop attribute.
11228         (*movhi): Fixed z10prop attribute.
11229         (*movqi): Fixed z10prop attribute.
11230         (*movstrictqi): Fixed z10prop attribute.
11231         (*mov<mode>): Fixed z10prop attribute.
11232         (*movcc): Fixed z10prop attribute.
11233         (*sethighpartdi_64): Fixed z10prop attribute.
11234         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
11235         (*negdi2_sign_cc): Fixed z10prop attribute.
11236         (*negdi2_sign): Fixed z10prop attribute.
11237         (*absdi2_sign_cc): Fixed z10prop attribute.
11238         (*absdi2_sign): Fixed z10prop attribute.
11239         (*negabsdi2_sign_cc): Fixed z10prop attribute.
11240         (*negabsdi2_sign): Fixed z10prop attribute.
11241         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
11242         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
11243         (doloop_si64): Fixed z10prop attribute.
11244         (doloop_si31): Fixed z10prop attribute.
11245         (doloop_long): Fixed z10prop attribute.
11246         (indirect_jump): Fixed z10prop attribute.
11247         (nop): Fixed z10prop attribute.
11248         (main_base_64): Fixed z10prop attribute.
11249         (reload_base_64): Fixed z10prop attribute.
11250
11251 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
11252
11253         PR rtl-optimization/38740
11254         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
11255         if !optimize.
11256         * config/mips/mips.c (mips_reorg): Likewise.
11257
11258 2009-01-28  Richard Guenther  <rguenther@suse.de>
11259
11260         PR tree-optimization/38926
11261         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
11262         with the correct value id to a value.
11263         (do_regular_insertion): Use the value number of edoubleprime
11264         for the value number of the expr.
11265
11266         Revert
11267         2008-08-21  Richard Guenther  <rguenther@suse.de>
11268
11269         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
11270         a PHI ask VN if it is already available.
11271         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
11272         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
11273
11274 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
11275
11276         PR middle-end/38934
11277         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
11278         set to varying whenever max has TREE_OVERFLOW set, similarly
11279         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
11280
11281 2009-01-28  Richard Guenther  <rguenther@suse.de>
11282
11283         PR middle-end/38908
11284         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
11285         uninitialized aggregate uses in call arguments.
11286
11287 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
11288
11289         PR tree-optimization/38984
11290         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
11291         the nothing_id variable if -fno-delete-null-pointer-checks.
11292
11293 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
11294
11295         PR target/38988
11296         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
11297         (set_got_offset_rex64): Ditto.
11298
11299 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
11300
11301         PR target/38941
11302         * doc/extend.texi: Improve local variable with asm reg.
11303
11304 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
11305
11306         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
11307         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
11308         was not supplied then set warn_packed_bitfield_compat to the
11309         default value of 1.
11310         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
11311         against 1.
11312
11313 2009-01-27  Richard Guenther  <rguenther@suse.de>
11314
11315         PR tree-optimization/38503
11316         * cfgexpand.c (expand_gimple_basic_block): Ignore
11317         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
11318         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
11319         variables that cannot have TBAA applied.
11320         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
11321         statements.
11322
11323 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
11324
11325         PR middle-end/38969
11326         * calls.c (initialize_argument_information): Do not wrap complex
11327         arguments in SAVE_EXPR.
11328
11329 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
11330
11331         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
11332         (INSTALL_LIBGCC): Revert typo commit.
11333
11334 2009-01-26  Richard Guenther  <rguenther@suse.de>
11335
11336         PR tree-optimization/38745
11337         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
11338         from special handling.
11339
11340 2009-01-26  Richard Guenther  <rguenther@suse.de>
11341
11342         PR tree-optimization/38745
11343         * tree-ssa.c (execute_update_addresses_taken): Do not include
11344         variables that cannot possibly be a register in not_reg_needs.
11345         Do not clear TREE_ADDRESSABLE on vars that may not become
11346         registers.
11347         * tree-ssa.c (update_alias_info_1): Include those in the set
11348         of addressable vars.
11349
11350 2009-01-26  Richard Guenther  <rguenther@suse.de>
11351
11352         PR middle-end/38851
11353         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
11354         * tree-ssa-dse.c: Include langhooks.h
11355         (execute_simple_dse): Remove stores with zero size.
11356
11357 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
11358
11359         PR c/38957
11360         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
11361         as PLUS_EXPR.
11362
11363 2009-01-24  Julian Brown  <julian@codesourcery.com>
11364
11365         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
11366         config/arm/linux-atomic.c.
11367         * config/arm/linux-atomic.c: New.
11368
11369 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
11370
11371         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
11372         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
11373         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
11374
11375 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
11376
11377         PR c/38938
11378         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
11379         properly.
11380
11381 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
11382
11383         PR tree-optimization/38953
11384         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
11385         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
11386         (gloog): Split the exit of the scop when the scop exit is a loop exit.
11387         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
11388         changed the CFG.
11389
11390 2009-01-24  Paul Brook  <paul@codesourcery.com>
11391
11392         * config/arm/neon.md (neon_type): Move to arm.md.
11393         (neon_mov<VSTRUCT>): Add neon_type attribute.
11394         * config/arm/arm.md (neon_type): Move to here.
11395         (conds): Add "unconditioal" and use as default for NEON insns.
11396
11397 2009-01-24  Ben Elliston  <bje@au.ibm.com>
11398
11399         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
11400         void *' warning from -Wc++-compat.
11401         * Makefile.in (dominance.o-warn): Remove.
11402
11403 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
11404
11405         PR tree-optimization/38932
11406         * fold-const.c (fold_unary_ignore_overflow): New.
11407         * tree.h (fold_unary_ignore_overflow): Declare.
11408         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
11409         * tree-ssa-sccvn.c (visit_reference_op_load,
11410         simplify_unary_expression): Likewise.
11411
11412 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
11413
11414         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
11415         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
11416         regardless of their type.
11417         * c-common.c (handle_packed_attribute): Don't ignore packed on
11418         bitfields.
11419         * c.opt (Wpacked-bitfield-compat): New warning option.
11420         * stor-layout.c (place_field): Warn if offset of a field changed.
11421         * doc/extend.texi (packed): Mention the ABI change.
11422         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
11423         (Warning Options): Add it to the list.
11424
11425 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
11426
11427         * c-opts.c (c_common_post_options): Fix a typo in comments.
11428
11429 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
11430
11431         PR middle-end/38615
11432         * gimplify.c (gimplify_init_constructor): Fix promotion of const
11433         variables to static.
11434         * doc/invoke.texi (-fmerge-all-constants): Update description.
11435
11436 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
11437
11438         PR target/38931
11439         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
11440         (*movdi_1_rex64): Use type "mmx" for alternative 5.
11441
11442 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
11443
11444         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
11445         a word boundary.
11446         (LOCAL_ALIGNMENT): Similarly.
11447
11448 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
11449             Joseph Myers  <joseph@codesourcery.com>
11450
11451         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
11452         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
11453         * config/arm/arm-tune.md: Regenerate.
11454         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
11455         -march=iwmmxt2.
11456
11457 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
11458
11459         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
11460         version number to five.
11461
11462 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
11463
11464         PR c++/38930
11465         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
11466         * c-common.c (set_underlying_type): Likewise.
11467         (is_typedef_decl ): Likewise
11468         * tree.h: Likewise
11469         (set_underlying_type): Likewise.
11470         (is_typedef_type): Likewise.
11471
11472 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
11473
11474         PR middle-end/38587
11475         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
11476         crossing setjmps.
11477
11478 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
11479
11480         PR bootstrap/37660
11481         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
11482         (LIBGCC_SPEC):  Don't define.
11483         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
11484
11485 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
11486
11487         PR rtl-optimization/38879
11488         * alias.c (base_alias_check): Unaligned access via AND address can
11489         alias all surrounding object types except those with sizes equal
11490         or wider than the size of unaligned access.
11491
11492 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
11493
11494         PR c++/26693
11495         * c-decl.c (clone_underlying_type): Move this ...
11496         * c-common.c (set_underlying_type): ... here.
11497         Also, make sure the function properly sets TYPE_STUB_DECL() on
11498         the newly created typedef variant type.
11499         (is_typedef_decl ): New entry point.
11500         * tree.h: Added a new member member_types_needing_access_check to
11501         struct tree_decl_non_common.
11502         (set_underlying_type): New entry point.
11503         (is_typedef_type): Likewise.
11504
11505 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
11506
11507         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
11508         Check whether two instructions have memory references that
11509         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
11510         are helper functions for traversing.
11511         * alias.h (insn_alias_sets_confilict_p): New prototypes.
11512         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
11513         not to draw dependency edge for instructions with non-conflicting
11514         alias sets.
11515
11516 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
11517
11518         PR other/38758
11519         * longlong.h: Update copyright years.  Use soft-fp license notice.
11520         Sync __clz_tab declaration with glibc.
11521
11522 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
11523
11524         PR target/30687
11525         * doc/extend.texi (syscall_linkage): New.
11526         (version_id): Modify.
11527
11528 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11529             Richard Guenther  <rguenther@suse.de>
11530
11531         PR tree-optimization/38747
11532         PR tree-optimization/38748
11533         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
11534         conversion if the base address is an indirect reference and the
11535         aliasing sets could cause issues.
11536
11537 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
11538
11539         * common.opt (fgraphite, fgraphite-identity): Add comment for
11540         explaining why these options are not documented.
11541
11542 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
11543
11544         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
11545         gimple_call_lhs is NULL.
11546
11547 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
11548
11549         PR target/38868
11550         * emit-rtl.c (adjust_address_1): Make sure memref is never
11551         overwritten.
11552
11553 2009-01-20  Ben Elliston  <bje@au.ibm.com>
11554
11555         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
11556         const qualifier from arg parameter. Remove unnecessary cast to char *.
11557         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
11558         const qualifier from arg 2.
11559
11560 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
11561
11562         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
11563
11564 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
11565
11566         PR c/38869
11567         * rtl.h (reinit_regs): New prototype.
11568         * regclass.c: Include ira.h.
11569         (reinit_regs): New.
11570         * Makefile.in (regclass.o): Add ira.h.
11571         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
11572
11573 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
11574
11575         PR target/38736
11576         * c-common.c (handle_aligned_attribute): Use
11577         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
11578         default alignment value.
11579
11580         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
11581
11582         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
11583         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
11584
11585         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
11586         __BIGGEST_ALIGNMENT__.
11587
11588         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
11589
11590 2009-01-18  Richard Guenther  <rguenther@suse.de>
11591
11592         PR tree-optimization/38819
11593         * tree-flow.h (operation_could_trap_helper_p): Declare.
11594         * tree-eh.c (operation_could_trap_helper_p): Export.
11595         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
11596         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
11597         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
11598         are about to insert a possibly trapping instruction and fail
11599         in this case.
11600
11601 2009-01-18  Andreas Schwab  <schwab@suse.de>
11602
11603         * doc/install.texi (Configuration): Remove obsolete paragraph
11604         about use of --with-gnu-ld with --with-gnu-as.
11605
11606 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
11607
11608         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
11609         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
11610         Follow spelling conventions.
11611
11612 2009-01-18  Ben Elliston  <bje@au.ibm.com>
11613
11614         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
11615         C++ warning about implicit conversion from void * to struct
11616         bitmap_head_def *.
11617         (bitmap_obstack_free): Likewise for bitmap_element *.
11618         * Makefile.in (bitmap.o-warn): Remove.
11619
11620 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
11621
11622         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
11623
11624 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
11625             Tobias Grosser  <tobi.grosser@amd.com>
11626
11627         * graphite.c (graphite_trans_scop_block): Do not block single
11628         nested loops.
11629
11630 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
11631
11632         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
11633         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
11634         test with assertion.
11635
11636 2009-01-16  Richard Guenther  <rguenther@suse.de>
11637
11638         PR tree-optimization/38835
11639         PR middle-end/36227
11640         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
11641         and INT + PTR -> (INT)(PTR p+ INT) folding.
11642         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
11643
11644 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
11645
11646         PR target/38554
11647         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
11648         the subreg from a lowpart subreg if it is also casting the value.
11649
11650 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11651             Tobias Grosser  <tobi.grosser@amd.com>
11652
11653         * graphite.c (compare_prefix_loops): New.
11654         (build_scop_canonical_schedules): Rewritten.
11655         (graphite_transform_loops): Move build_scop_canonical_schedules
11656         after build_scop_iteration_domain.
11657
11658 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11659             Tobias Grosser  <tobi.grosser@amd.com>
11660
11661         * graphite.c (add_conditions_to_domain): Add the loops to
11662         the dimension of the iteration domain.  Do copy the domain
11663         only when it exists.
11664         (build_scop_conditions_1): Do not call add_conditions_to_domain.
11665         (add_conditions_to_constraints): New.
11666         (can_generate_code_stmt, can_generate_code): Removed.
11667         (gloog): Do not call can_generate_code.
11668         (graphite_transform_loops): Call add_conditions_to_constraints
11669         after building the iteration domain.
11670
11671 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
11672
11673         PR tree-optimization/38789
11674         * tree-ssa-threadedge.c
11675         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
11676         __builtin_constant_p.
11677
11678 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
11679
11680         * dce.c (delete_unmarked_insns): Reversed the order that insns are
11681         examined before deleting them.
11682
11683 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
11684
11685         * function.c (aggregate_value_p): Correctly extract the function
11686         type from CALL_EXPR_FN lookup.
11687
11688 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
11689
11690         * config/picochip/picochip.c (picochip_override_options): Revert
11691         CFI asm flag disable commited previously.
11692
11693 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
11694             Tobias Grosser  <tobi.grosser@amd.com>
11695             Jan Sjodin  <jan.sjodin@amd.com>
11696
11697         * graphite.c (scan_tree_for_params): On substractions negate
11698         all the coefficients of the term.
11699         (clast_to_gcc_expression_red): New.  Handle reduction expressions
11700         of more than two operands.
11701         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
11702         (get_vdef_before_scop): Handle also the case of default definitions.
11703
11704 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
11705
11706         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
11707         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
11708         Also use them when walking CALL_INSN_FUNCTION_USAGE.
11709
11710 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
11711             Joey Ye  <joey.ye@intel.com>
11712
11713         PR middle-end/37843
11714         * cfgexpand.c (expand_stack_alignment): Don't update stack
11715         boundary nor check incoming stack boundary here.
11716         (gimple_expand_cfg): Update stack boundary and check incoming
11717         stack boundary here.
11718
11719 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
11720
11721         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
11722
11723 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
11724
11725         PR rtl-optimization/38245
11726         * calls.c (expand_call): Add stack arguments to
11727         CALL_INSN_FUNCTION_USAGE even for pure calls (when
11728         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
11729         in regs and partially in memory or BLKmode arguments.
11730         (emit_library_call_value_1): Add stack arguments to
11731         CALL_INSN_FUNCTION_USAGE even for pure calls (when
11732         ACCUMULATE_OUTGOING_ARGS).
11733         * dce.c: Include tm_p.h.
11734         (find_call_stack_args): New function.
11735         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
11736         argument.
11737         (mark_insn): Call find_call_stack_args for CALL_Ps.
11738         (prescan_insns_for_dce): Walk insns backwards in bb rather than
11739         forwards.  Allocate and free arg_stores bitmap if needed, pass it
11740         down to deletable_insn_p, don't mark stores set in arg_stores
11741         bitmap, clear the bitmap at the beginning of each bb.
11742         * Makefile.in (dce.o): Depend on $(TM_P_H).
11743
11744 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
11745
11746         PR target/22599
11747         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
11748         to make sure the insn is a conditional test (bug 22599).  Reformat a
11749         few long lines.
11750
11751 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
11752
11753         PR middle-end/38431
11754         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
11755         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
11756         (gloog): Do not call cleanup_tree_cfg.
11757         (graphite_transform_loops): Call cleanup_tree_cfg after all
11758         scops have been code generated.
11759
11760 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
11761         * doc/gty.texi (Invoking the garbage collector): Added new node
11762         and section documenting ggc_collect.
11763
11764 2009-01-14  Richard Guenther  <rguenther@suse.de>
11765
11766         PR tree-optimization/38826
11767         PR middle-end/38477
11768         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
11769         initialization notes only if we actually emitted a warning.
11770         (intra_create_variable_infos): Add constraints for a result decl
11771         that is passed by hidden reference.
11772         (build_pred_graph): Mark all related variables non-direct on
11773         address-taking.
11774
11775 2009-01-14  Nick Clifton  <nickc@redhat.com>
11776
11777         * ira-conflicts.c: Include addresses.h for the definition of
11778         base_reg_class.
11779         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
11780         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
11781
11782 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
11783
11784         PR target/38811
11785         * Makefile.in (ira-lives.o): Add except.h.
11786
11787         * ira-lives.c: Include except.h.
11788         (process_bb_node_lives): Process can_throw_internal.
11789
11790 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
11791
11792         PR rtl-optimization/38774
11793         * combine.c (simplify_set): When undoing cc_use change, don't do
11794         PUT_CODE on the newly created comparison, but instead put back the
11795         old comparison.
11796
11797 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
11798
11799         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
11800         values.  Remove duplicate arm8 entry.
11801
11802 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
11803
11804         PR tree-optimization/38786
11805         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
11806         the SSA_NAME case of expand_scalar_variables_expr.
11807         Set the type of an expression to the type of its assign statement.
11808         (expand_scalar_variables_expr): Also gather the scalar computation
11809         used to index the memory access.  Do not pass loop_p.
11810         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
11811         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
11812         the gimple_stmt_iterator where it inserts new code.
11813         Do not pass loop_p.
11814         (copy_bb_and_scalar_dependences): Do not pass loop_p.
11815         (translate_clast): Update call to copy_bb_and_scalar_dependences.
11816
11817 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
11818
11819         * graphite.h (debug_value): Removed.
11820         * graphite.c (debug_value): Removed.
11821
11822 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
11823
11824         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
11825         ldrd/strd with two 32-bit instructions.
11826
11827 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
11828
11829         * config/arm/arm.c (struct processors): Pass for speed down into
11830         cost helper functions.
11831         (const_ok_for_op): Handle COMPARE and inequality nodes.
11832         (arm_rtx_costs_1): Rewrite.
11833         (arm_size_rtx_costs): Update prototype.
11834         (arm_rtx_costs): Pass speed down to helper functions.
11835         (arm_slowmul_rtx_costs): Rework cost calculations.
11836         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
11837         (arm_9e_rtx_costs): Likewise.
11838
11839 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
11840
11841         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
11842         relocations of local symbols wider than UNITS_PER_WORD are not valid.
11843         (alpha_legitimize_address): Do not split local symbols wider than
11844         UNITS_PER_WORD into HIGH/LO_SUM parts.
11845
11846 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
11847
11848         PR bootstrap/38580
11849         * gcc.c (process_command): Replace call to execvp with calls
11850         to pex_one and exit.
11851
11852 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
11853
11854         PR target/29141
11855         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
11856         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
11857         variant for devices with 3-byte PC.
11858         (__tablejump_elpm__): New.
11859
11860 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
11861
11862         PR c/32041
11863         * c-parser.c (c_parser_postfix_expression): Allow `->' in
11864         offsetof member-designator, handle it as `[0].'.
11865
11866 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11867
11868         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
11869         function when not using named sections on targets with named sections
11870         if branch distance is less than 262132.
11871
11872 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
11873
11874         * combine.c (combine_instructions):  Recompute
11875         optimize_this_for_speed_p  for each BB in the main combine loop.
11876
11877 2009-01-12  Tomas Bily  <tbily@suse.cz>
11878
11879         PR middlend/38385
11880         * tree-loop-distribution.c (prop_phis): New function.
11881         (generate_builtin): Call prop_phis.
11882         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
11883
11884 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
11885
11886         PR tree-optimization/38807
11887         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
11888         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
11889
11890 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
11891
11892         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
11893         subreg of op0 to the original op0.
11894
11895 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
11896
11897         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
11898
11899 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
11900
11901         PR debug/7055
11902         * mips-tfile.c (parse_def): Fix parsing of def strings
11903         starting with digits.
11904
11905 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
11906
11907         PR target/38695
11908         * config/arm/arm.c (arm_is_long_call_p): Don't call
11909         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
11910
11911 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
11912
11913         * regrename.c (regrename_optimize): Fix dumping.
11914         (find_oldest_value_reg): Preserve REG_POINTER.
11915         (copy_hardreg_forward_1): Likewise.
11916
11917 2009-01-09  Diego Novillo  <dnovillo@google.com>
11918
11919         * gimple.h (struct gimple_statement_base) <uid>: Document
11920         the restrictions on its use.
11921         (gimple_uid): Tidy.
11922         (gimple_set_uid): Tidy.
11923
11924 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11925
11926         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
11927         zero guard even if align_bytes != 0 and count is smaller than
11928         size_needed.
11929
11930 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
11931
11932         PR rtl-optimization/38495
11933         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
11934         (add_range_and_copies_from_move_list): Print all added ranges.
11935         Add ranges to memory optimized destination.
11936
11937 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11938
11939         PR target/38686
11940         PR target/38708
11941         * config/i386/i386.c (override_options): Reject
11942         -mstringop-strategy=rep_8byte with -m32.
11943         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
11944         to 1.  Do count comparison against epilogue_size_needed at compile
11945         time even when count_exp was constant forced into register.  For
11946         size_needed don't jump to epilogue, instead just avoid aligning
11947         and invoke the body algorithm.  If need_zero_guard, add zero guard
11948         even if count is non-zero, but smaller than size_needed + number of
11949         bytes that could be stored for alignment.
11950         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
11951         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
11952         but smaller than size_needed + number of bytes that could be stored
11953         for alignment.  Compare size_needed with epilogue_size_needed instead
11954         of desired_align - align, don't adjust size_needed, pass
11955         epilogue_size_needed to the epilogue expanders.
11956
11957         PR c/35742
11958         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
11959
11960 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11961
11962         * pa.c (last_address): Change to unsigned.
11963         (update_total_code_bytes): Change argument to unsigned.  Don't
11964         check if insn addresses are set.
11965         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
11966         addresses are not set.
11967         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
11968
11969 2009-01-09  Nick Clifton  <nickc@redhat.com>
11970
11971         * config/sh/symbian.c: Replace uses of DECL_INLINE with
11972         DECL_DECLARED_INLINE_P.
11973
11974 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11975
11976         PR middle-end/38347
11977         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
11978         GET_MODE (op0) in operand_subword_force calls.
11979
11980         PR middle-end/38771
11981         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
11982         fold_convert arg0 operands to TREE_TYPE (op0) first.
11983
11984 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
11985
11986         * params.def (ira-max-conflict-table-size): Decrease default value
11987         to 1000.
11988
11989 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
11990
11991         PR tree-optimization/37031
11992         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
11993         on parameter_set.
11994         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
11995         allocate it using gc instead of heap, use VEC_quick_push instead of
11996         VEC_safe_push.
11997         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
11998         instead of heap, use VEC_quick_push instead of VEC_safe_push.
11999         * tree-data-ref.h (struct access_matrix): Change matrix to gc
12000         allocated vector from heap allocated.
12001         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
12002         * tree-loop-linear.c (linear_transform_loops): Allocate nest
12003         vector only after perfect_loop_nest_depth call.
12004
12005 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
12006             Jan Sjodin  <jan.sjodin@amd.com>
12007
12008         PR tree-optimization/38559
12009         * graphite.c (debug_value, copy_constraint,
12010         swap_constraint_variables, scale_constraint_variable, ): New.
12011         (get_lower_bound, get_upper_bound): Removed.
12012         (graphite_trans_bb_strip_mine): Clean up this code that works
12013         only for constant number of iterations.  Fully copy upper and
12014         lower bound constraints, not only the constant part of them.
12015         * graphite.h (debug_value): Declared.
12016
12017 2009-01-08  Ira Rosen  <irar@il.ibm.com>
12018
12019         PR tree-optimization/37194
12020         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
12021         Don't add the cost of cost model guard in prologue to scalar
12022         outside cost in case of known number of iterations.
12023
12024 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
12025             Alan Modra  <amodra@bigpond.net.au>
12026
12027         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
12028         non-word-aligned REG+CONST addressing.
12029
12030 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
12031
12032         PR target/38706
12033         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
12034         free_after_compilation when outputting a thunk.
12035         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
12036         Do not call free_after_compilation here.
12037
12038 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
12039
12040         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
12041         (ix86_valid_target_attribute_inner_p): Ditto.
12042
12043 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
12044
12045         PR tree-optimization/38492
12046         PR tree-optimization/38498
12047         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
12048         * tree-chrec.h (scev_is_linear_expression): Declared.
12049         * graphite.c (graphite_cannot_represent_loop_niter): New.
12050         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
12051         (graphite_loop_normal_form): Use gcc_assert.
12052         (scan_tree_for_params): Use CASE_CONVERT.
12053         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
12054         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
12055         Use gcc_assert.  Discard scops that contain unhandled cases.
12056         (build_scop_conditions): Return a boolean status for unhandled cases.
12057         (strip_mine_profitable_p): Print the loop number, not its depth.
12058         (is_interchange_valid): Pass the depth of the loop nest, don't
12059         recompute it wrongly.
12060         (graphite_trans_bb_block): Same.
12061         (graphite_trans_bb_block): Print tentative of loop blocking.
12062         (graphite_trans_scop_block): Do not print that the loop has been
12063         blocked.
12064         (graphite_transform_loops): Do not handle scops that contain condition
12065         scalar phi nodes.
12066
12067 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
12068
12069         AVX Programming Reference (December, 2008)
12070         * config/i386/avxintrin.h (_mm256_stream_si256): New.
12071         (_mm256_stream_pd): Likewise.
12072         (_mm256_stream_ps): Likewise.
12073
12074         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
12075         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
12076         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
12077         (bdesc_special_args): Add __builtin_ia32_movntdq256,
12078         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
12079         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
12080         (ix86_expand_special_args_builtin): Likewise.
12081
12082         * config/i386/sse.md (AVXMODEDI): New.
12083         (avx_movnt<mode>): Likewise.
12084         (avx_movnt<mode>): Likewise.
12085         (<sse>_movnt<mode>): Remove AVX support.
12086         (sse2_movntv2di): Likewise.
12087
12088 2009-01-07  Richard Guenther  <rguenther@suse.de>
12089
12090         PR middle-end/38751
12091         * fold-const.c (extract_muldiv): Remove obsolete comment.
12092         (fold_plusminus_mult_expr): Undo MINUS_EXPR
12093         to PLUS_EXPR canonicalization for the canonicalization.
12094
12095 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
12096
12097         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
12098         hosted cross-compilers generating less efficient code.
12099
12100 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
12101
12102         * function.h (rtl_data): Add a dbr_scheduled_p field.
12103         * reorg.c (dbr_schedule): Set it.
12104         (gate_handle_delay_slots): Check it.
12105         * config/mips/mips.c (mips_base_delayed_branch): Delete.
12106         (mips_reorg): Check flag_delayed_branch instead of
12107         mips_base_delayed_branch.
12108         (mips_override_options): Don't set mips_base_delayed_branch
12109         or flag_delayed_branch.
12110
12111 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
12112
12113         PR rtl-optimization/38426.
12114         * ira.c (ira): Set current_function_is_leaf earlier.
12115
12116 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
12117
12118         PR rtl-optimization/38722
12119         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
12120         too early, only set a flag and modify after last possible
12121         undo_all point.
12122
12123 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
12124
12125         PR c/34252
12126         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
12127         * real.c (decimal_single_format): Correct values of emin and emax.
12128         (decimal_double_format): Ditto.
12129         (decimal_quad_format): Ditto.
12130         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
12131         computation of DECnn_MIN and DECnn_MAX for corrected values of
12132         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
12133         __DECnn_MIN__, and adjust its computation for the corrected value
12134         of emin.
12135
12136 2009-01-06  Jan Hubicka  <jh@suse.cz>
12137
12138         PR target/38744
12139         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
12140
12141 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
12142
12143         * doc/contrib.texi (Contributors): Slightly adjust the end note.
12144         Add Robert Clark to the list of testers.
12145
12146 2009-01-06  Jan Hubicka  <jh@suse.cz>
12147             Kai Tietz  <kai.tietz@onevision.com>
12148
12149         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
12150         * config/i386/i386.c (ix86_expand_call): Add clobbers.
12151
12152 2009-01-06  Jan Hubicka  <jh@suse.cz>
12153             Kai Tietz  <kai.tietz@onevision.com>
12154
12155         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
12156         for w64 ABI.
12157         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
12158         (ix86_nsaved_regs): Count only general purpose regs.
12159         (ix86_nsaved_sseregs): New.
12160         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
12161         to 16 for w64; compute padding and size of sse reg save area.
12162         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
12163         general purpose regs.
12164         (ix86_emit_save_sse_regs_using_mov): New.
12165         (ix86_expand_prologue): Save SSE regs if needed.
12166         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
12167         (ix86_emit_restore_sse_regs_using_mov): New.
12168         (ix86_expand_epilogue): Save SSE regs if needed.
12169
12170 2009-01-06  Jan Hubicka  <jh@suse.cz>
12171             Kai Tietz  <kai.tietz@onevision.com>
12172
12173         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
12174         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
12175         functions when accumulate outgoing args is off.
12176
12177 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
12178
12179         PR bootstrap/38742
12180         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
12181         before using pseudos_have_intersected_live_ranges_p.
12182
12183         * ira-int.h (ira_assert): Always define.
12184
12185 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
12186
12187         AVX Programming Reference (December, 2008)
12188         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
12189         (_mm256_permute2_pd): Likewise.
12190         (_mm_permute2_ps): Likewise.
12191         (_mm256_permute2_ps): Likewise.
12192         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
12193         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
12194
12195         * config/i386/i386.c (ix86_builtins): Remove
12196         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
12197         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
12198         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
12199         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
12200         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
12201         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
12202         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
12203         __builtin_ia32_vpermil2ps256.
12204         (ix86_init_mmx_sse_builtins): Updated.
12205         (ix86_expand_args_builtin): Likewise.
12206
12207 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12208
12209         * pa.c (output_call): Relocate non-jump insns in the delay slot of
12210         long absolute calls when generating PA 2.0 code.
12211
12212 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
12213
12214         PR rtl-optimization/38583
12215         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
12216
12217         * params.def (ira-max-conflict-table-size): New.
12218
12219         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
12220
12221         * ira.h (ira_conflicts_p): New external definition.
12222
12223         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
12224         table.  Report this.  Return result of building.
12225         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
12226         building conflict table.
12227
12228         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
12229         (ira_color): Use ira_conflicts_p.
12230
12231         * global.c: Include ira.h.
12232         (pseudo_for_reload_consideration_p, build_insn_chain): Use
12233         ira_conflicts_p.
12234
12235         * Makefile.in (global.o): Add ira.h.
12236
12237         * ira-build.c (mark_all_loops_for_removal,
12238         propagate_some_info_from_allocno): New.
12239         (remove_unnecessary_allocnos): Call
12240         propagate_some_info_from_allocno.
12241         (remove_low_level_allocnos): New.
12242         (remove_unnecessary_regions): Add parameter.  Call
12243         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
12244         parameter to remove_unnecessary_regions.
12245         (ira_build): Remove all regions but root if the conflict table was
12246         not built.  Update conflict hard regs for allocnos crossing calls.
12247
12248         * ira.c (ira_conflicts_p): New global.
12249         (ira): Define and use ira_conflicts_p.
12250
12251         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
12252         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
12253         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
12254
12255 2009-01-06  Ben Elliston  <bje@au.ibm.com>
12256
12257         * gengtype-lex.l (YY_NO_INPUT): Define.
12258
12259 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12260
12261         PR c/34911
12262         * c-common.c (handle_vector_size_attribute): Also reject
12263         BOOLEAN_TYPE types.
12264
12265 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
12266
12267         PR tree-optimization/38492
12268         * graphite.c (rename_map_elt, debug_rename_elt,
12269         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
12270         rename_map_elt_info, eq_rename_map_elts,
12271         get_new_name_from_old_name, bb_in_sese_p): Moved around.
12272         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
12273         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
12274         (sese_build_livein_liveouts): New.
12275         (new_sese, free_sese): New.
12276         (new_scop): Call new_sese.
12277         (free_scop): Call free_sese.
12278         (rename_variables_from_edge, rename_phis_end_scop): Removed.
12279         (register_old_new_names): Renamed register_old_and_new_names.
12280         (register_scop_liveout_renames, add_loop_exit_phis,
12281         insert_loop_close_phis, struct igp,
12282         default_liveout_before_guard, add_guard_exit_phis,
12283         insert_guard_phis, copy_renames): New.
12284         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
12285         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
12286         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
12287         (scop_adjust_phis_for_liveouts): New.
12288         (gloog): Call scop_adjust_phis_for_liveouts.
12289
12290         * graphite.h (struct sese): Documented.  Added fields liveout,
12291         num_ver and livein.
12292         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
12293         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
12294         (struct scop): Added field liveout_renames.
12295         (SCOP_LIVEOUT_RENAMES): New.
12296
12297 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
12298
12299         PR tree-optimization/38510
12300         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
12301         (translate_clast): Call recompute_all_dominators before
12302         graphite_verify.
12303         (gloog): Call recompute_all_dominators before graphite_verify.
12304
12305 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
12306             Jan Sjodin  <jan.sjodin@amd.com>
12307
12308         PR tree-optimization/38500
12309         * graphite.c (create_sese_edges): Call fix_loop_structure after
12310         splitting blocks.
12311
12312 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
12313
12314         * config.gcc: Add m32r*-*-rtems*.
12315         * config/m32r/rtems.h: New file.
12316
12317 2009-01-05  Ben Elliston  <bje@au.ibm.com>
12318
12319         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
12320         (.po.pox): Likewise.
12321         (po/gcc.pot): Likewise.
12322
12323 2009-01-04  David S. Miller  <davem@davemloft.net>
12324
12325         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
12326         (STARTING_FRAME_OFFSET): Always set to zero.
12327
12328 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
12329
12330         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
12331         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
12332         fixed-point types, and vectors of the same.
12333
12334 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
12335
12336         * config/mips/sync.md (*mb_barrier): Rename to...
12337         (*memory_barrier): ...this.
12338
12339 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
12340
12341         * doc/extend.texi (Function Attributes): Move @cindex after @item
12342         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
12343         and put in alphabetical order. Fix 'target' name and put in order.
12344         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
12345         typos.
12346
12347 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
12348
12349         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
12350         (memory_barrier): Expand as unspec instead of unspec_volatile.
12351         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12352         (*memory_barrier): Define as unspec instead of unspec_volatile.
12353         Use (match_dup 0) as input operand.
12354
12355         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
12356         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
12357         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
12358         scratch register.  Remove operand 1.
12359         (*stbar): Define as unspec instead of unspec_volatile.
12360         Use (match_dup 0) as input operand, remove (const_int 8).
12361         (*membar): Define as unspec instead of unspec_volatile.
12362         Use (match_dup 0) as input operand, remove input operand 2.
12363
12364         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
12365         (memory_barrier): Expand as unspec instead of unspec_volatile.
12366         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12367         (*memory_barrier): Define as unspec instead of unspec_volatile.
12368         Use (match_dup 0) as input operand.
12369
12370         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
12371         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12372         Set volatile flag on operand 0.
12373         (*memory_barrier): New insn pattern.
12374
12375         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
12376         insn operands.
12377         (*memory_barrier): Use (match_dup 0) as input operand.
12378
12379         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
12380         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12381         Set volatile flag on operand 0.
12382         (*mb_internal): New insn pattern.
12383
12384         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
12385
12386 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
12387
12388         PR middle-end/38586
12389         * function.c (struct temp_slot): Move to the section of the file
12390         that deals with temp slots.  Remove field 'address'.
12391         (temp_slot_address_table): New hash table of address -> temp slot.
12392         (struct temp_slot_address_entry): New struct, items for the table.
12393         (temp_slot_address_compute_hash, temp_slot_address_hash,
12394         temp_slot_address_eq, insert_temp_slot_address): Support functions
12395         for the new table.
12396         (find_temp_slot_from_address): Rewrite to use the new hash table.
12397         (remove_unused_temp_slot_addresses): Remove addresses of temp
12398         slots that have been made available.
12399         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
12400         worker function for remove_unused_temp_slot_addresses.
12401         (assign_stack_temp_for_type): Don't clear the temp slot address list.
12402         Add the temp slot address to the address -> temp slot map.
12403         (update_temp_slot_address): Update via insert_temp_slot_address.
12404         (free_temp_slots): Call remove_unused_temp_slot_addresses.
12405         (pop_temp_slots): Likewise.
12406         (init_temp_slots): Allocate the address -> temp slot map, or empty
12407         the map if it is already allocated.
12408         (prepare_function_start): Initialize temp slot processing.
12409
12410 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
12411
12412         PR middle-end/38584
12413         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
12414         Calculate the size of all stack vars assuming no packing of stack
12415         vars will happen, replacing a quadratic algorithm with a linear one.
12416
12417 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
12418
12419         PR target/38707
12420         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
12421         can't be used.
12422
12423 2009-01-03  Diego Novillo  <dnovillo@google.com>
12424
12425         * doc/contrib.texi: Update contributions.
12426
12427 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
12428
12429         PR c++/38705
12430         * builtins.c (fold_builtin_memory_op): Give up if either operand
12431         is volatile.  Set srctype or desttype to non-qualified version
12432         of the other type.
12433
12434         PR c/38700
12435         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
12436         and FUNCTION_DECLs.
12437
12438 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
12439
12440         PR rtl-optimization/35805
12441         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
12442         problem if fast dce is able to remove any instructions.
12443         * dce.c (dce_process_block): Fix dump message.
12444
12445 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
12446
12447         PR 33649
12448         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
12449
12450 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
12451
12452         PR middle-end/38690
12453         * tree-flow.h (op_code_prio, op_prio): New prototypes.
12454         * tree-pretty-print.c (op_code_prio): New function.
12455         (op_prio): No longer static.  Use op_code_prio.
12456         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
12457         Use op_prio and op_code_prio to determine if () should be
12458         printed around operand(s) or not.
12459
12460         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
12461         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
12462         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
12463         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
12464         pp_character instead of pp_string for single letter printing.
12465
12466 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
12467
12468         * doc/extend.texi: Fix '#pragma GCC option' typo.
12469
12470 2009-01-02  Richard Guenther  <rguenther@suse.de>
12471
12472         * doc/install.texi (--enable-checking): Mention different
12473         default for stage1.
12474         (--enable-stage1-checking): Document.
12475
12476 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
12477
12478         PR middle-end/30142
12479         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
12480         case to be an error.
12481
12482 2009-01-02  Ben Elliston  <bje@au.ibm.com>
12483
12484         * config/fp-bit.h (pack_d): Constify argument.
12485         * config/fp-bit.c (makenan): Constify return type. Remove casts.
12486         (isnan): Constify argument.
12487         (isinf): Likewise.
12488         (iszero): Likewise.
12489         (pack_d): Likewise.
12490         (_fpadd_parts): Constify return type.
12491         (_fpmul_parts): Likewise.
12492         (_fpdiv_parts): Likewise.
12493
12494 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
12495
12496         PR c/36489
12497         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
12498         warn about overwriting initializer with side-effects or
12499         -Woverride-init if !IMPLICIT.
12500         (output_init_element): Likewise.  Pass IMPLICIT down to
12501         add_pending_init.
12502         (process_init_element): Add IMPLICIT argument.  Pass it down
12503         to output_init_element.
12504         (push_init_element, pop_init_level, set_designator): Adjust
12505         process_init_element callers.
12506         (set_nonincremental_init, set_nonincremental_init_from_string):
12507         Adjust add_pending_init callers.
12508         (output_pending_init_elements): Adjust output_init_element callers.
12509         * c-tree.h (process_init_element): Adjust prototype.
12510         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
12511         process_init_element callers.
12512
12513 \f
12514 Copyright (C) 2009 Free Software Foundation, Inc.
12515
12516 Copying and distribution of this file, with or without modification,
12517 are permitted in any medium without royalty provided the copyright
12518 notice and this notice are preserved.