* doc/invoke.texi: Add cpu_type's 464 and 464fp.
[official-gcc.git] / gcc / ChangeLog
blob72915d52ca1dda28150a6592472123941022f0c7
1 2008-05-21  Peter Bergner  <bergner@vnet.ibm.com>
3         * doc/invoke.texi: Add cpu_type's 464 and 464fp.
4         (-mmulhw): Add 464 to description.
5         (-mdlmzb): Likewise.
6         * config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
7         * config/rs6000/rs6000.c (processor_target_table): Add 464 and
8         464fp entries.
9         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
10         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
11         * config/rs6000/rs6000.md: Update comments for 464.
13 2008-05-21  Janis Johnson  <janis187@us.ibm.com>
15         * doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.
17 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
19         * config/i386/sse.md (vec_extractv4sf): Removed.
20         (vec_extractv2df): Likewise.
21         (vec_extractv2di): Likewise.
22         (vec_extractv4si): Likewise.
23         (vec_extractv8hi): Likewise.
24         (vec_extractv16qi): Likewise.
25         (vec_extract<mode>): New.
27 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
29         * config/i386/sse.md (vec_setv4sf): Removed.
30         (vec_setv2df): Likewise.
31         (vec_setv2di): Likewise.
32         (vec_setv4si): Likewise.
33         (vec_setv8hi): Likewise.
34         (vec_setv16qi): Likewise.
35         (vec_set<mode>): New.
37 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
39         * config/i386/i386.c (ix86_expand_vector_init_general): Remove
40         goto for vec_concat and vec_interleave.
42 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
44         * config/i386/sse.md (vec_initv4sf): Removed.
45         (vec_initv2df): Likewise.
46         (vec_initv2di): Likewise.
47         (vec_initv4si): Likewise.
48         (vec_initv8hi): Likewise.
49         (vec_initv16qi): Likewise.
50         (vec_init<mode>): New.
52 2008-05-21  Joseph Myers  <joseph@codesourcery.com>
54         * collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.
56 2008-05-21  Tom Tromey  <tromey@redhat.com>
58         * ggc-zone.c (lookup_page_table_if_allocated): New function.
59         (zone_find_object_offset): Likewise.
60         (gt_ggc_m_S): Likewise.
61         (highest_bit): Likewise.
62         * ggc-page.c (gt_ggc_m_S): New function.
63         * stringpool.c (string_stack): Remove.
64         (init_stringpool): Update.
65         (ggc_alloc_string): Use ggc_alloc.
66         (maybe_delete_ident): New function.
67         (ggc_purge_stringpool): Likewise.
68         (gt_ggc_m_S): Remove.
69         * ggc-common.c (ggc_protect_identifiers): New global.
70         (ggc_mark_roots): Call ggc_purge_stringpool.  Use
71         ggc_protect_identifiers.
72         * ggc.h (ggc_protect_identifiers): Declare.
73         (gt_ggc_m_S): Update.
74         (ggc_purge_stringpool): Declare.
75         * toplev.c (compile_file): Set and reset ggc_protect_identifiers.
76         * gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
77         special case.
78         (write_root): Cast gt_ggc_m_S to gt_pointer_walker.
80 2008-05-21  David S. Miller  <davem@davemloft.net>
82         * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
83         tmake_file.
85 2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>
87         * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
88         once finished.
90 2008-05-20  David Daney  <ddaney@avtrex.com>
92         * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
93         UNSPEC_SYNC_OLD_OP_12,
94         UNSPEC_SYNC_EXCHANGE_12): New define_constants.
95         (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER,
96         UNSPEC_SET_GOT_VERSION,
97         UNSPEC_UPDATE_GOT_VERSION): Renumber.
98         (optab, insn): Add 'plus' and 'minus' to define_code_attr.
99         (atomic_hiqi_op): New define_code_iterator.
100         (sync_compare_and_swap<mode>): Call
101         mips_expand_atomic_qihi instead of
102         mips_expand_compare_and_swap_12.
103         (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
104         MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to
105         MIPS_COMPARE_AND_SWAP_12.
106         (sync_<optab><mode>, sync_old_<optab><mode>,
107         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
108         sync_new_nand<mode>): New define_expands for HI and QI mode
109         operands.
110         (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
111         sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
112         (sync_lock_test_and_set<mode>): New define_expand for HI and QI
113         modes.
114         (test_and_set_12): New insn.
115         (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
116         sync_new_<optab><mode>, sync_old_nand<mode>,
117         sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
118         clobber to operand 0 for SI and DI mode insns.
119         * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
120         mips_gen_fn_4): New typedefs.
121         (mips_gen_fn_ptrs): Define new union type.
122         (mips_expand_compare_and_swap_12): Remove declaration.
123         (mips_expand_atomic_qihi): Declare function.
124         * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
125         (mips_expand_atomic_qihi): ... this.  Use new generator function
126         parameter.
127         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
128         (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
129         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP,
130         MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
131         MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
132         MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
133         MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
134         MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
135         MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
136         MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
137         MIPS_SYNC_EXCHANGE_12_ZERO_OP,
138         MIPS_SYNC_EXCHANGE_12_NONZERO_OP): New macros.
140 2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>
142         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
143         the missing break.
145 2008-05-20  Anatoly Sokolov <aesok@post.ru>
147         * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
148         * config/avr/avr.c (avr_OS_main_function_p): Add new function.
149         (avr_attribute_table): Add 'OS_main' function attribute.
150         (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
151         functions with 'OS_main' attribute.
153 2008-05-20  Richard Guenther  <rguenther@suse.de>
155         PR tree-optimization/35204
156         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
157         helper, split out from ...
158         (DFS): ... here.  Make the DFS walk non-recursive.
160 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
161             Jan Sjodin  <jan.sjodin@amd.com>
163         PR tree-optimization/36181
164         * tree-parloops.c (loop_has_vector_phi_nodes): New.
165         (parallelize_loops): Don't parallelize when the loop has vector
166         phi nodes.
168 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
169             Sebastian Pop  <sebastian.pop@amd.com>
171         * tree-loop-linear.c (gather_interchange_stats): Look in the access matrix,
172         and never look at the tree representation of the memory accesses.
173         (linear_transform_loops): Computes parameters and access matrices.
174         * tree-data-ref.c (compute_data_dependences_for_loop): Returns false when fails.
175         (access_matrix_get_index_for_parameter): New.
176         * tree-data-ref.h (struct access_matrix): New.
177         (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
178         AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
179         AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
180         am_vector_index_for_loop): New.
181         (struct data_reference): Add field access_matrix.
182         (DR_ACCESS_MATRIX): New.
183         (compute_data_dependences_for_loop): Update declaration.
184         (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
185         * lambda.h (lambda_vector_vec_p): Declared.
186         * lambda-code.c: Depend on pointer-set.h.
187         (lambda_collect_parameters_from_af, lambda_collect_parameters,
188         av_for_af_base, av_for_af, build_access_matrix,
189         lambda_compute_access_matrices): New.
190         * Makefile.in (lambda-code.o): Depend on pointer-set.h.
192 2008-05-20  Joseph Myers  <joseph@codesourcery.com>
194         * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
195         $SOURCEDIR/include.
197 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
198             Sebastian Pop  <sebastian.pop@amd.com>
200         PR tree-optimization/36206
201         * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
202         FOLD_CONVERSIONS.
203         (instantiate_scev_1): Rename flags to fold_conversions.
204         Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
205         outeside instantiation_loop.
206         * tree-chrec.h (evolution_function_is_affine_in_loop): New.
207         (evolution_function_is_affine_or_constant_p): Removed.
208         * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
209         instantiate_scev.
210         (analyze_siv_subscript): Pass in the loop nest number.
211         Call evolution_function_is_affine_in_loop instead of 
212         evolution_function_is_affine_p.
213         (analyze_overlapping_iterations): Pass in the loop nest number.
215 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
216             Sebastian Pop  <sebastian.pop@amd.com>
218         PR tree-optimization/36206
219         * tree-chrec.h (chrec_fold_op): New.
220         * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR, and
221         other trees.
223 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
225         * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
226         (DIRS_EQ): New.
227         (remove_duplicates): Do not set inode on non-inode systems.  Use
228         DIRS_EQ.
230 2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
232         * config.gcc (tm_file): Update comments about relative pathnames.
234 2008-05-20  Richard Guenther  <rguenther@suse.de>
236         * tree-ssa-reassoc.c (fini_reassoc): Use the statistics
237         infrastructure.
238         * tree-ssa-sccvn.c (process_scc): Likewise.
239         * tree-ssa-sink.c (execute_sink_code): Likewise.
240         * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
241         * tree-vrp.c (process_assert_insertions): Likewise.
242         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
243         (perform_tree_ssa_dce): Likewise.
244         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
245         (dump_dominator_optimization_stats): Likewise.
246         * tree-vectorizer.c (vectorize_loops): Likewise.
248 2008-05-20  Richard Guenther  <rguenther@suse.de>
250         * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
252 2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
254         * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
255         (ix86_i386elf_return_in_memory): Likewise.
256         (ix86_i386interix_return_in_memory): Likewise.
257         * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
258         (SUBTARGET_RETURN_IN_MEMORY): New.
259         * config/i386/i386elf.h: Likewise.
260         * config/i386/ptx4-i.h: Likewise.
261         * config/i386/sol2-10.h: Likewise.
262         * config/i386/sysv4.h: Likewise.
263         * config/i386/vx-common.h: Likewise.
264         * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
265         * config/i386/i386.c (ix86_return_in_memory): Made static and
266         make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
267         (ix86_i386elf_return_in_memory): Removed.
268         (ix86_i386interix_return_in_memory): Removed.
269         (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
270         * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
272 2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
274         * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
276 2008-05-19  Xinliang David Li  <davidxl@google.com>
278         * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18. 
279         * opts.c: Ditto.
280         * common.opt: Ditto.
281         * doc/invoke.texi: Ditto.
283 2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
285         * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
286         (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
288 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
290         * config/i386/i386.c (ix86_expand_vector_init_concat): Change
291         sizes of operand array from 8/4 to 4/2.
292         (ix86_expand_vector_init_general): Change size of operand array
293         from 32 to 16.  Remove op0, op1 and half_mode.
295 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
297         * config/i386/i386.c (ix86_expand_vector_init_concat): New.
298         (ix86_expand_vector_init_interleave): Likewise.
299         (ix86_expand_vector_init_general): Use them.  Assert word_mode
300         == SImode when n_words == 4.
302 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
304         * config/i386/i386.c (ix86_secondary_reload): New static function.
305         (TARGET_SECONDARY_RELOAD): New define.
306         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
307         * config/i386/i386.md (reload_outqi): Remove.
309 2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
311         PR middle-end/35509
312         * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
313         Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
314         (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
315         (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
316         (fold_builtin_1): Likewise.
317         * builtins.def (BUILT_IN_ISINF_SIGN): New.
318         c-common.c (check_builtin_function_arguments): Handle
319         BUILT_IN_ISINF_SIGN.
320         * doc/extend.texi: Document __builtin_isinf_sign.
321         * fold-const.c (operand_equal_p): Handle COND_EXPR.
323 2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
325         * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
326         EH cleanup at the end of the pass, search for those that have been
327         turned into forwarder blocks and do the cleanup on their successor.
329 2008-05-18  Richard Guenther  <rguenther@suse.de>
331         * tree-cfg.c (verify_gimple_expr): Allow conversions from
332         pointers to sizetype and vice versa.
334 2008-05-18 Xinliang David Li   <davidxl@google.com>
336         * gcc/tree-ssa-dce.c: Coding style fix.
337         (check_pow): Documentation comment. 
338         (check_log): Documenation comment. Coding style fix.
339         (is_unnecessary_except_errno_call): Ditto.
340         (gen_conditions_for_pow): Ditto.
341         (gen_conditions_for_log): Ditto.
342         (gen_shrink_wrap_conditions): Ditto.
343         (shrink_wrap_one_built_in_calls): Ditto.
344         * gcc/doc/invoke.texi: Better documentation string.
345         * ChangeLog: Fix wrong change log entries from 
346         May 17 checkin on function call DCE.
348 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
350         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
352 2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
354         * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
355         * df-problems.c (simulation routines): Fixed block comment to
356         properly say how to add forwards scanning functions.
357         
358 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
360         * tree-inline.c (setup_one_parameter): Remove dead code.
362 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
364         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
365         a BIT_AND_EXPR only for an INTEGER_TYPE.
367 2008-05-17 Xinliang David Li   <davidxl@google.com>
369         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
370         (check_pow, check_log, is_unnecessary_except_errno_call): New 
371         functions to check for eliminating math functions that are pure 
372         except for setting errno.
373         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
374         general condition expressions for shrink-wrapping pow/log calls.
375         (gen_shrink_wrap_conditions): Ditto.
376         (shrink_wrap_one_built_in_call): Ditto.
377         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
378         (mark_operand_necessary): If debugging, output if OP is necessary.
379         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
380         unnecessary.
381         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
382         opt level >= 2.
383         * gcc/common.opt: New user flag -ftree-builtin-dce.
384         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
386 2008-05-16  David S. Miller  <davem@davemloft.net>
388         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
389         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
391 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
393         PR target/36246
394         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
396 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
398         * ifcvt.c (dead_or_predicable): Rename
399         df_simulate_one_insn_backwards to df_simulate_one_insn.
400         * recog.c (peephole2_optimize): Ditto.
401         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
402         Ditto.
403         * df.h: Rename df_simulate_one_insn_backwards to
404         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
405         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
406         scanning of defs and uses.
407         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
408         (df_simulate_one_insn_forwards): Removed.
410 2008-05-16  Doug Kwan  <dougkwan@google.com>
412         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
413         QNaN & SNaN.
414         (real_from_string): Handle NaNs and Inf as approriate.
416 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
418         * doc/gty.texi (Source Files Containing Type Information): Note
419         that headers should appear first in the gtfiles list.
421 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
423         * tree.def (COND_EXEC): Properly documented this code.
425 2008-05-16  Diego Novillo  <dnovillo@google.com>
427         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
428         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
429         the new field.
431 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
433         * tree-ssa-dse (max_stmt_uid): Removed.
434         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt, 
435         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
436         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
437         * function.h (cfun.last_stmt_uid): New field.
438         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
439         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
440         New functions.
441         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
442         (create_stmt_ann): Initialize the ann->uid field.
443         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
444         with new calls.
445         * tree-flow.h (renumber_gimple_stmt_uids): New function.
447 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
449         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
450         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
451         (init_empty_tree_cfg): Call it.
453 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
455         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
456         Update all users.
458 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
460         * doc/invoke.text (-fdump-tree-*-verbose): New option.
461         * tree-dump.c (dump_options): New verbose option.
462         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
463         Add verbose dump.
464         * tree-pass.h (TDF_VERBOSE): New dump flag.
465         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
466         (tree-flow.h): Added include.
467         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
469 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
471         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
473         From Jie Zhang  <jie.zhang@analog.com>
474         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
475         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
476         mcpu=bf561-none and mcpu=bf561-0.2.
477         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
478         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
479         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
480         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
481         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
482         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
483         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
484         option.
485         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
486         (cputype_selected): Remove.
487         (bfin_handle_option): Don't use cputype_selected.
488         (override_options): When no mcpu option, enable all workarounds.
489         Don't use bfin_workarounds.
490         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
491         processor type.
492         (DEFAULT_CPU_TYPE): Don't define.
494 2008-05-16  Richard Guenther  <rguenther@suse.de>
496         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
497         on deletion of the last stmt.
499 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
501         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
502         V8HImode for SSE2 and V16QImode for SSE4.1.
504 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
506         * cgraph.h (compute_inline_parameters): Made public.
507         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
508         variable_generate_summary, function_write_summary,
509         variable_write_summary, variable_read_summary.  Added generate_summary,
510         write_summary, read_summary.
511         * cgraphunit.c (cgraph_process_new_functions): Changed call from
512         pass_ipa_inline.function_generate_summary, to
513         compute_inline_parameters. 
514         * ipa-inline.c (compute_inline_parameters): Made public and added
515         node parameter.
516         (compute_inline_parameters_for_current): New function.
517         (pass_inline_param): Now calls compute_inline_parameters_for_current.
518         (inline_generate_summary): Removed parameter and made to loop over
519         all cgraph nodes.
520         (pass_ipa_inline): Updated for new IPA_PASS structure.
521         * passes.c (execute_ipa_summary_passes): Now is called once per
522         pass rather than once per node*pass.
523         
524 2008-05-15  Anatoly Sokolov <aesok@post.ru>
526         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p, 
527         avr_have_mul_p, avr_asm_only_p): Remove variables.
528         (avr_override_options): Remove initialization of removed variables.
529         (avr_file_start):  Convert removed variables to fields of 
530         'struct base_arch_s *avr_current_arch'. 
531         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
532         (AVR_HAVE_MUL): (Ditto.).
533         (AVR_HAVE_MOVW): (Ditto.).
534         (AVR_HAVE_LPMX): (Ditto.). 
535         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p, 
536         avr_asm_only_p): Remove declaration.
538 2008-05-15  Diego Novillo  <dnovillo@google.com>
540         * config/arm/arm.c (arm_return_in_memory): Fix return type.
541         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
543 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
545         PR middle-end/36194
546         * combine.c (check_conversion): Rename back to check_promoted_subreg.
547         Don't call record_truncated_value from here.
548         (record_truncated_value): Turn it into a for_each_rtx callback.
549         (record_truncated_values): New function.
550         (combine_instructions): Call note_uses with record_truncated_values.
551         Change name of check_conversion to check_promoted_subreg. 
553 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
555         * doc/sourcebuild.texi: Document support for torture tests.
557 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
559         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
560         to alternative 4 of operand 2.
562 2008-05-15  Richard Guenther  <rguenther@suse.de>
564         * tree-pass.h (current_pass): Declare.
565         (get_pass_for_id): Likewise.
566         * passes.c (passes_by_id, passes_by_id_size): New globals.
567         (set_pass_for_id): New function.
568         (get_pass_for_id): Likewise.
569         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
570         (execute_function_todo): Flush per function statistics.
571         * toplev.c (compile_file): Init statistics.
572         (general_init): Do early statistics initialization.
573         (finalize): Finish statistics.
574         * statistics.h (statistics_early_init): Declare.
575         (statistics_init): Likewise.
576         (statistics_fini): Likewise.
577         (statistics_fini_pass): Likewise.
578         (statistics_counter_event): Likewise.
579         (statistics_histogram_event): Likewise.
580         * statistics.c: New file.
581         * Makefile.in (OBJS-common): Add statistics.o.
582         (statistics.o): Add dependencies.
583         * doc/invoke.texi (-fdump-statistics): Document.
585         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
586         (insert): Likewise.
587         (execute_pre): Use statistics_counter_event.
588         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
589         (substitute_and_fold): Increment it.  Use statistics_counter_event.
591 2008-05-15  Diego Novillo  <dnovillo@google.com>
593         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
595         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
596         * tree-ssa-alias.c (new_type_alias): Remove references to
597         sub-variables from comment.
598         * tree-ssa-operands.c (swap_tree_operands): Likewise.
600 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
602         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
603         attribute to 1 only for insertps alternative.
605 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
607         * config/bfin/bfin.md (loadbytes): New pattern.
608         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
609         (bfin_init_builtins): Initialize it.
610         (bdesc_1arg): Add it.
612 2008-05-15  Sa Liu  <saliu@de.ibm.com>
614         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
615         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
616         * testsuite/lib/target-supports.exp: Add
617         check_effective_target_fortran_integer_16.
619 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
621         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
622         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
623         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
624         (TARGET_RETURN_IN_MEMORY): Define.
626 2008-05-15  Richard Guenther  <rguenther@suse.de>
628         PR middle-end/36244
629         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
630         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
631         represent unmodifiable vars.
633 2008-05-15  Richard Guenther  <rguenther@suse.de>
635         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
636         INDIRECT_REF and TARGET_MEM_REF.
637         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
638         TARGET_MEM_REF.
640 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
641             H.J. Lu  <hongjiu.lu@intel.com>
643         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
644         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
645         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
646         insn alternatives.  Add missing alternatives.
647         (*vec_concatv2di_rex64_sse4_1): Likewise.
648         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
649         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
650         Require TARGET_SSE.
652 2008-05-15  Richard Guenther  <rguenther@suse.de>
654         PR tree-optimization/36009
655         PR tree-optimization/36204
656         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
657         (determine_invariantness_stmt): Record the loop a store is
658         always executed in.
659         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
660         dependency.
662 2008-05-15  Richard Guenther  <rguenther@suse.de>
664         PR tree-optimization/34330
665         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
666         through the pointer will alias the SMT.
668 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
670         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
672 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
674         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
676 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
677             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
679         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
680         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
681         (vashl_optab): New optab for vector/vector shifts.
682         (vashr_optab): Ditto.
683         (vlshr_optab): Ditto.
684         (vrotl_optab): Ditto.
685         (vrotr_optab): Ditto.
686         (optab_subtype): New enum for optab_for_tree_code call.
687         (optab_for_tree_code): Add enum optab_subtype argument.
689         * optabs.c (optab_for_tree_code): Take an additional argument to
690         distinguish between a vector shift by a scalar and vector shift by
691         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
692         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
693         vector shift by a vector.
694         (expand_widen_pattern_expr): Pass additional argument to
695         optab_for_tree_code.
697         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
698         vrotl_optab, vrotr_optab.
700         * expr.c (expand_expr_real_1): Update calls to
701         optab_for_tree_code to distinguish between vector shifted by a
702         scalar and vector shifted by a vector.
703         * tree-vectorizer.c (supportable_widening_operation): Ditto.
704         (supportable_narrowing_operation): Ditto.
705         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
706         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
707         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
708         (vect_create_epilog_for_reduction): Ditto.
709         (vectorizable_reduction): Ditto.
710         (vectorizable_operation): Ditto.
711         (vect_strided_store_supported): Ditto.
712         (vect_strided_load_supported): Ditto.
713         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
714         * expmed.c (expand_shift): Ditto.
716         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
717         scalar type.
718         (ashr@var{m}3): Ditto.
719         (vashl@var{m}3): Document new vector/vector shift standard name.
720         (vashr@var{m}3): Ditto.
721         (vlshr@var{m}3): Ditto.
722         (vrotl@var{m}3): Ditto.
723         (vrotr@var{m}3): Ditto.
725         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
726         (PPERM_INVERT): Ditto.
727         (PPERM_REVERSE): Ditto.
728         (PPERM_REV_INV): Ditto.
729         (PPERM_ZERO): Ditto.
730         (PPERM_ONES): Ditto.
731         (PPERM_SIGN): Ditto.
732         (PPERM_INV_SIGN): Ditto.
733         (PPERM_SRC1): Ditto.
734         (PPERM_SRC2): Ditto.
736         * config/i386/sse.md (mulv2di3): Add SSE5 support.
737         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
738         allows a memory operand to be the value being added, and split it
739         to improve vectorization.
740         (sse5_pmacsdqh_mem): Ditto.
741         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
742         (sse5_mulv2div2di3_high): Ditto.
743         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
744         (vec_pack_trunc_v4si): Ditto.
745         (vec_pack_trunc_v2di): Ditto.
746         (sse5_pcmov_<mode>): Remove code that tried to use use
747         andps/andnps instead of pcmov.
748         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
749         pmacsdqh instructions.
750         (vec_widen_smult_lo_v4si): Ditto.
752         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
753         (PPERM_INVERT): Ditto.
754         (PPERM_REVERSE): Ditto.
755         (PPERM_REV_INV): Ditto.
756         (PPERM_ZERO): Ditto.
757         (PPERM_ONES): Ditto.
758         (PPERM_SIGN): Ditto.
759         (PPERM_INV_SIGN): Ditto.
760         (PPERM_SRC1): Ditto.
761         (PPERM_SRC2): Ditto.
762         (ix86_expand_sse_movcc): Move the SSE5 test after the if
763         true/false tests.
764         (ix86_expand_int_vcond): If SSE5 generate all possible integer
765         comparisons.
766         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
767         says ignore whether the last reference is a memory operand.
769 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
770             Paolo Bonzini <bonzini at gnu dot org>
772         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
773         shift patterns.
775         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
776         (vlshr<mode>3): Rename from vlshr<mode>3.
777         (vashr<mode>3): Rename from vashr<mode>3.
778         (mulv4sf3): Change the names of vector shift patterns.
779         (mulv4si3): Ditto.
780         (negv4sf2): Ditt.
782         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
783         shift insns.
785         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
786         (SI_SHLHI): Ditto.
787         (SI_SHL): Ditto.
788         (SI_SHLI): Ditto.
789         (SI_ROTH): Ditto.
790         (SI_ROTHI): Ditto.
791         (SI_ROT): Ditto.
792         (SI_ROTI): Ditto.
793         (SPU_RL_0): Ditto.
794         (SPU_RL_1): Ditto.
795         (SPU_RL_2): Ditto.
796         (SPU_RL_3): Ditto.
797         (SPU_RL_4): Ditto.
798         (SPU_RL_5): Ditto.
799         (SPU_RL_6): Ditto.
800         (SPU_RL_7): Ditto.
801         (SPU_SL_0): Ditto.
802         (SPU_SL_1): Ditto.
803         (SPU_SL_2): Ditto.
804         (SPU_SL_3): Ditto.
805         (SPU_SL_4): Ditto.
806         (SPU_SL_5): Ditto.
807         (SPU_SL_6): Ditto.
808         (SPU_SL_7): Ditto.
810         * config/spu/spu.md (v): New iterator macro to add v for vector types.
811         (floatunssidf2_internal): Change vector/vector shift names.
812         (floatunsdidf2_internal): Ditto.
813         (mulv8hi3): Ditto.
814         (ashrdi3): Ditto.
815         (ashrti3): Ditto.
816         (cgt_df): Ditto.
817         (cgt_v2df): Ditto.
818         (dftsv): Ditto.
819         (vashl<mode>3): Rename from ashl<mode>3.
820         (vashr<mode>3): Rename from ashr<mode>3.
821         (vlshr<mode>3): Rename from lshr<mode>3.
822         (vrotl<mode>3): Rename from rotl<mode>3.
824 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
826         PR target/36224
827         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
828         multiply gives the wrong value when doing widening multiplies.
829         (vec_widen_smult_lo_v4si): Ditto.
831 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
833         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
834         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
835         emit_library_call_value. 
836         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
837         * tree.h (ECF_LIBCALL_BLOCK): Removed.
838         * calls.c (initialize_argument_information, precompute_arguments, 
839         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
840         (precompute_arguments): Removed flags parameter.
841         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
842         
843 2008-05-14  Richard Guenther  <rguenther@suse.de>
845         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
846         Make sure to register the store if the use is a PHI_NODE.
848 2008-05-14  Olivier Hainque  <hainque@adacore.com>
850         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
851         memory if the component is to be referenced in BLKmode according
852         to get_inner_reference.
854 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
856         * calls.c (emit_library_call_value_1): Restore code clearing
857         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
859 2008-05-14  Olivier Hainque  <hainque@adacore.com>
860             Nicolas Roche  <roche@adacore.com>
862         * configure.ac: Add support for a "gcc_subdir" variable in
863         config-lang.in, to denote a subdirectory where the language/GCC
864         integration files are to be found.
865         * configure: Regenerate.
867 2008-05-14  Ira Rosen  <irar@il.ibm.com>
869         PR tree-optimization/36098
870         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
871         value for the first load in the group in case of a gap.
872         (vect_build_slp_tree): Check that there are no gaps in loads.
874 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
876         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
877         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
878         expand_copysign_bit, ): Change call to emit_no_conflict_block to
879         emit_insn and remove unneeded code to construct extra args.
880         (emit_no_conflict_block): Removed.
881         * optabls.h: (emit_no_conflict_block): Removed.
882         * cse.c (cse_extended_basic_block): Remove search for
883         REG_NO_CONFLICT note.
884         * global.c: Removed incorrect comment added in revision 117.
885         * expr.c (convert_move): Change call to emit_no_conflict_block to
886         emit_insn.
887         * recog.c: Change comments so that they do not mention
888         REG_NO_CONFLICT.
889         * local_alloc.c (combine_regs): Removed last parameter.
890         (no_conflict_p): Removed.
891         (block_alloc): Removed note, no_conflict_combined_regno and set
892         local vars. Removed all code to process REG_NO_CONFLICT blocks.
893         (combine_regs): Removed already_dead and code to look for
894         REG_NO_CONFLICT notes.
895         * lower_subreg (remove_retval_note): Removed code to look for
896         REG_NO_CONFLICT block.
897         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
898         (resolve_clobber): Remove code to process libcalls that have
899         REG_NO_CONFLICT notes.
900         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
901         case.
902         * combine.c (can_combine_p, distribute_notes):  Removed
903         REG_NO_CONFLICT case.
904         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
905         to emit_insns.
906         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
907         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
908         Ditto.
909         * reg-notes.def (NO_CONFLICT): Removed.
911 2008-05-14  David S. Miller  <davem@davemloft.net>
913         * config/sparc/sparc.c (sparc_profile_hook): If
914         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
915         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
916         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
918 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
920         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
922 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
924         PR target/36222
925         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
926         and op1 expansion before vector concat to have less live pseudos.
928 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
930         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
931         ix86_expand_vector_set if supported.
933 2008-05-13  Diego Novillo  <dnovillo@google.com>
934             Kenneth Zadeck  <zadeck@naturalbridge.com>
936         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
938         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
939         phinodes_print_statistics, init_ssanames, fini_ssanames,
940         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
941         release_ssa_name, release_defs, replace_ssa_name_symbol,
942         ssanames_print_statistics): Move ...
943         * tree-flow.h: ... here.
944         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
945         Use FN instead of cfun.
946         (make_ssa_name_fn): Rename from make_ssa_name.
947         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
948         * tree-flow-inline.h (make_ssa_name): Move from
949         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
950         * omp-low.c (expand_omp_parallel):
951         * tree-flow-inline.h (redirect_edge_var_map_result):
952         * tree-ssa.c (init_tree_ssa): Add argument FN.
953         Use it instead of cfun.  Update all users.
955 2008-05-13  Tom Tromey  <tromey@redhat.com>
957         PR preprocessor/22168:
958         * doc/cpp.texi (Top): Update menu.
959         (Alternatives to Wrapper #ifndef): New node.
960         (Other Directives): Document deprecation.
961         (Obsolete Features): Remove menu.
962         (Assertions): Merge node into Obsolete Features.
963         (Obsolete once-only headers): Move earlier; rename to Alternatives
964         to Wrapper #ifndef.
965         * doc/cppopts.texi: Update.
966         * c.opt (Wdeprecated): Enable for C and ObjC.
967         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
968         (C++ Dialect Options): Move -Wno-deprecated from here to...
969         (Warning Options): ... here.
971 2008-05-13  Richard Guenther  <rguenther@suse.de>
973         PR middle-end/36227
974         * fold-const.c (fold_sign_changed_comparison): Do not allow
975         changes in pointer-ness.
977 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
979         PR target/24713
980         * config/sh/sh.c (sh_expand_prologue): Don't clear
981         RTX_FRAME_RELATED_P for push insns.
983 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
985         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
987 2008-05-12  Anatoly Sokolov <aesok@post.ru>
989         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
990         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
991         Use 'machine->is_leaf' instead of 'leaf_func_p'.
993 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
995         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
996         (*vec_concatv4sf_sse): This.
997         (*sse2_concatv2si): Renamed to ...
998         (*vec_concatv2si_sse2): This.
999         (*sse1_concatv2si): Renamed to ...
1000         (*vec_concatv2si_sse): This.
1001         (*vec_concatv2di_rex): Renamed to ...
1002         (*vec_concatv2di_rex64): This.
1003         (*vec_concatv2si_sse4_1): New.
1004         (*vec_concatv2di_rex64_sse4_1): Likewise.
1006 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
1008         PR rtl-optimization/36111
1009         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
1010         that was created for swappable operands.
1012 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
1014         PR ada/36001
1015         * Makefile.in: Substitute GNATMAKE and GNATBIND.
1016         * configure.ac: Add call to ACX_PROG_GNAT.
1018 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
1020         * optc-gen.awk: Fix comment typo.
1022 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
1024         * pretty-print.c (pp_integer_with_precision): Use
1025         HOST_LONG_LONG_FORMAT.
1027 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
1029         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
1030                 
1031 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
1033         * config/i386/i386.c (bdesc_ptest): Removed.
1034         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
1035         (bdesc_args): Add __builtin_ia32_ptestz128,
1036         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
1037         (ix86_init_mmx_sse_builtins): Updated.
1038         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
1039         (ix86_expand_builtin): Updated.
1041 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
1043         * tree-cfg.c (valid_fixed_convert_types_p): New function.
1044         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
1046 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
1048         * value-prof.c (interesting_stringop_to_profile): Do not
1049         return early for BUILT_IN_MEMPCPY.
1051 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
1053         * calls.c (expand_call): Don't use callgraph to increase
1054         preferred_stack_boundary.
1056         * cgraph.h (cgraph_rtl_info): Use unsigned on
1057         preferred_incoming_stack_boundary.
1059         * final.c (rest_of_clean_state): Use unsigned on
1060         preferred_stack_boundary.
1062 2008-05-09  Tom Tromey  <tromey@redhat.com>
1064         PR preprocessor/22231:
1065         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
1066         proceeding.
1068 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
1070         PR tree-optimization/36129
1071         * tree-ssa-ccp.c: Include value-prof.h.
1072         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
1073         built-in function was folded to a constant.
1074         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
1076 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
1077             Sebastian Pop  <sebastian.pop@amd.com>
1079         * tree-scalar-evolution.c: Document instantiate_scev.
1080         (instantiate_parameters_1): Renamed instantiate_scev_1.
1081         Don't use the same loop for instantiation_loop and evolution_loop.
1082         (instantiate_scev): New.
1083         (instantiate_parameters): Moved...
1084         (resolve_mixers): Update call to instantiate_scev_1 to pass the
1085         same loop twice.  Maintains the semantics for this function.
1086         * tree-scalar-evolution.h (instantiate_scev): Declare.
1087         (instantiate_parameters): ...here.  Now static inline.
1088         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
1089         instead of resolve_mixers.
1091 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
1093         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
1095 2008-05-09  Tomas Bily  <tbily@suse.cz>
1097         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
1098         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
1099         * tree-ssa-structalias.c (get_constraint_for): Likewise.
1100         * c-common.c (c_common_truthvalue_conversion): Likewise.
1101         * tree-object-size.c (compute_object_offset): Likewise.
1102         * tree-inline.c (estimate_num_insns_1): Likewise.
1103         * varasm.c (const_hash_1, compare_constant, copy_constant)
1104         (compute_reloc_for_constant, output_addressed_constants)
1105         (initializer_constant_valid_p): Likewise.
1106         * c-omp.c (check_omp_for_incr_expr): Likewise.
1107         * gimplify.c (gimplify_expr): Likewise.
1108         * c-typeck.c (c_finish_return): Likewise.
1109         * tree-vectorizer.c (supportable_widening_operation)
1110         (supportable_narrowing_operation): Likewise.
1111         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
1112         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
1113         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
1114         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
1115         (descr_info_loc): Likewise.
1116         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
1117         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
1118         (fold_unary): Likewise.
1119         * builtins.c (get_pointer_alignment): Likewise.
1120         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
1121         (instantiate_parameters_1): Likewise.
1122         * tree.c (expr_align, stabilize_reference): Likewise.
1123         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1124         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
1125         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
1126         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
1127         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
1128         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
1129         Likewise.
1130         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
1131         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
1132         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
1133         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
1134         (forward_propagate_comparison)
1135         (tree_ssa_forward_propagate_single_use_vars): Likewise.
1136         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
1137         * emit-rtl.c (component_ref_for_mem_expr)
1138         (set_mem_attributes_minus_bitpos): Likewise.
1139         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
1140         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
1141         Likewise.
1142         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
1143         (build_function_call, pointer_diff, build_compound_expr)
1144         (c_finish_return): Likewise.
1145         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
1146         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
1147         Likewise.
1148         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
1149         * expr.c (is_aligning_offset): Likewise.
1150         * tree-ssa-alias.c (is_escape_site): Likewise.
1151         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
1152         (check_all_va_list_escapes): Likewise.
1153         * tree-ssa-loop-ivopts.c (determine_base_object)
1154         (determine_common_wider_type): Likewise.
1155         * dojump.c (do_jump): Likewise.
1156         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
1157         * tree-gimple.c (is_gimple_cast): Likewise.
1158         * fold-const.c (decode_field_reference, )
1159         (fold_sign_changed_comparison, fold_unary, fold_comparison)
1160         (fold_binary): Likewise.
1161         * tree-ssa-alias-warnings.c (find_alias_site_helper)
1162         (already_warned_in_frontend_p): Likewise.
1163         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
1164         * tree.c (really_constant_p, get_unwidened): Likewise.
1165         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
1166         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
1167         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
1168         Likewise.
1169         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
1170         CONVERT_EXPR_P.
1171         (CONVERT_EXPR_P): Define.
1172         (CASE_CONVERT): Define.
1173         
1174 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
1176         PR middle-end/36117
1177         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
1178         (delete_unmarked_insns): When deleting a call, call
1179         delete_unreachable_blocks.
1180         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
1181         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
1183 2008-05-08  Richard Guenther  <rguenther@suse.de>
1185         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
1186         (-ftree-salias): Likewise.
1187         (salias-max-implicit-fields): Remove param documentation.
1188         (salias-max-array-elements): Likewise.
1189         * tree-pass.h (pass_create_structure_vars): Remove.
1190         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
1191         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
1192         * tree-ssa-alias.c (create_structure_vars): Remove.
1193         (gate_structure_vars): Likewise.
1194         (pass_create_structure_vars): Likewise.
1195         (gate_build_alias): Likewise.
1196         (pass_build_alias): Adjust to run always and dump the function.
1197         * common.opt (ftree-salias): Hide.
1198         * passes.c (init_optimization_passes): Remove
1199         pass_create_structure_vars, adjust comment.
1200         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
1201         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
1202         * opts.c (decode_options): Do not set flag_tree_salias.
1203         (common_handle_option): Add OPT_ftree_salias to the backward
1204         compatibility section.
1206 2008-05-08  Richard Guenther  <rguenther@suse.de>
1208         * tree-flow-inline.h (var_can_have_subvars): Move ...
1209         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
1210         * tree-flow.h (var_can_have_subvars): Remove.
1211         (push_fields_onto_fieldstack): Remove.
1212         (sort_fieldstack): Likewise.
1213         (struct fieldoff): Move ...
1214         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
1215         alias_set and base_for_components fields.
1216         (sort_fieldstack): Make static.
1217         (push_fields_onto_fieldstack): Likewise.  Remove code that
1218         handles anything but RECORD_TYPEs.  Remove alias_set and
1219         base_for_components handling.
1220         (create_variable_info_for): Adjust.
1222 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
1224         * common.opt (Wframe-larger-than=): Shorten the help message
1225         to one line.
1226         * doc/invoke.texi (Wframe-larger-than=): Add more description.
1228 2008-05-08  Rafael Espindola  <espindola@google.com>
1230         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
1231         trap.
1232         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
1233         trap and that both operands are gimple values.
1234         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
1235         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
1236         is a fp operation.
1238 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
1240         * read-rtl.c (join_c_conditions): Return the first string if the
1241         two strings are equal.
1243 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
1245         * gensupport.h (pred_data): Add a "num_codes" field.
1246         (add_predicate_code): Declare.
1247         * gensupport.c (add_predicate_code): New function.
1248         (std_pred_table): Add an "allows_const_p" field.
1249         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
1250         Remove the (incomplete) list of such codes from the codes field.
1251         (init_predicate_table): Use add_predicate_code.  Add all
1252         RTX_CONST_OBJs if allows_const_p is true.
1253         * genrecog.c (process_define_predicate): Use add_predicate_code.
1255 2008-05-08  David Daney  <ddaney@avtrex.com>
1256             Richard Sandiford  <rsandifo@nildram.co.uk>
1257         
1258         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
1259         special case of constant zero operands.
1260         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
1261         old and new values.  Special case constant zero values.
1262         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
1263         fails.
1264         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
1265         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
1267 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
1269         PR target/36090
1270         * simplify-rtx.c (simplify_plus_minus): Create CONST of
1271         similar RTX_CONST_OBJ before CONST_INT.
1273 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
1275         * stmt.c (expand_stack_restore): Change sa mode if needed.
1277 2008-05-08  Richard Guenther  <rguenther@suse.de>
1279         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
1280         return type to bool.
1281         (ix86_sol10_return_in_memory): Likewise.
1282         (ix86_i386elf_return_in_memory): Likewise.
1283         (ix86_i386interix_return_in_memory): Likewise.
1284         * config/i386/i386.c (ix86_return_in_memory): Likewise.
1285         (ix86_sol10_return_in_memory): Likewise.
1286         (ix86_i386elf_return_in_memory): Likewise.
1287         (ix86_i386interix_return_in_memory): Likewise.
1289 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
1291         PR bootstrap/36180
1292         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
1293         fndecl argument.
1294         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
1295         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
1296         declared in front.
1298 2008-05-08  Richard Guenther  <rguenther@suse.de>
1300         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
1301         * tree-data-ref.h (struct dr_alias): Remove subvars field.
1302         (DR_SUBVARS): Remove.
1303         * tree-dfa.c (dump_subvars_for): Remove.
1304         (debug_subvars_for): Likewise.
1305         (dump_variable): Do not dump subvars.
1306         (remove_referenced_var): Do not remove subvars.
1307         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
1308         (lookup_subvars_for_var): Remove.
1309         (get_subvars_for_var): Likewise.
1310         (get_subvars_at): Likewise.
1311         (get_first_overlapping_subvar): Likewise.
1312         (overlap_subvar): Likewise.
1313         * tree-flow.h (subvar_t): Remove.
1314         (struct var_ann_d): Remove subvars field.
1315         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
1316         argument.  Remove special handling of SFTs.
1317         (compute_tag_properties): Likewise.
1318         (set_initial_properties): Likewise.
1319         (compute_call_clobbered): Likewise.
1320         (count_mem_refs): Likewise.
1321         (compute_memory_partitions): Likewise.
1322         (compute_flow_insensitive_aliasing): Likewise.
1323         (setup_pointers_and_addressables): Likewise.
1324         (new_type_alias): Likewise.
1325         (struct used_part): Remove.
1326         (used_portions): Likewise.
1327         (struct used_part_map): Likewise.
1328         (used_part_map_eq): Likewise.
1329         (used_part_map_hash): Likewise.
1330         (free_used_part_map): Likewise.
1331         (up_lookup): Likewise.
1332         (up_insert): Likewise.
1333         (get_or_create_used_part_for): Likewise.
1334         (create_sft): Likewise.
1335         (create_overlap_variables_for): Likewise.
1336         (find_used_portions): Likewise.
1337         (create_structure_vars): Likewise.
1338         * tree.def (STRUCT_FIELD_TAG): Remove.
1339         * tree.h (MTAG_P): Adjust.
1340         (struct tree_memory_tag): Remove base_for_components and
1341         unpartitionable flags.
1342         (struct tree_struct_field_tag): Remove.
1343         (SFT_PARENT_VAR): Likewise.
1344         (SFT_OFFSET): Likewise.
1345         (SFT_SIZE): Likewise.
1346         (SFT_NONADDRESSABLE_P): Likewise.
1347         (SFT_ALIAS_SET): Likewise.
1348         (SFT_UNPARTITIONABLE_P): Likewise.
1349         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
1350         (union tree_node): Remove sft field.
1351         * alias.c (get_alias_set): Remove special handling of SFTs.
1352         * print-tree.c (print_node): Remove handling of SFTs.
1353         * tree-dump.c (dequeue_and_dump): Likewise.
1354         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
1355         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
1356         * tree-predcom.c (set_alias_info): Do not set subvars.
1357         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
1358         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
1359         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
1360         (add_vars_for_offset): Remove.
1361         (add_virtual_operand): Remove special handling of SFTs.
1362         (add_call_clobber_ops): Likewise.
1363         (add_call_read_ops): Likewise.
1364         (get_asm_expr_operands): Likewise.
1365         (get_modify_stmt_operands): Likewise.
1366         (get_expr_operands): Likewise.
1367         (add_to_addressable_set): Likewise.
1368         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
1369         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
1370         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
1371         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
1372         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
1373         (tree_node_structure): Likewise.
1374         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
1375         handling of SFTs.
1376         (find_what_p_points_to): Likewise.
1378 2008-05-08  Sa Liu  <saliu@de.ibm.com>
1380         * config/spu/spu.md: Fixed subti3 pattern.
1382 2008-05-08  Richard Guenther  <rguenther@suse.de>
1384         PR middle-end/36154
1385         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
1386         sure to create a representative for trailing arrays for PTA.
1388 2008-05-08  Richard Guenther  <rguenther@suse.de>
1390         PR middle-end/36172
1391         * fold-const.c (operand_equal_p): Two objects which types
1392         differ in pointerness are not equal.
1394 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
1396         * calls.c (compute_argument_block_size): Add argument tree fndecl.
1397         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
1398         (emit_library_call_value_1): Add new variable fndecl initialized by
1399         NULL_TREE. It should be the decl type of orgfun, but this information
1400         seems not to be available here, so it uses the default calling abi.
1401         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
1402         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
1403         by TARGET_RETURN_IN_MEMORY.
1404         * config/i386/i386-interix.h: Likewise.
1405         * config/i386/i386.h: Likewise.
1406         * config/i386/i386elf.h: Likewise.
1407         * config/i386/ptx4-i.h: Likewise.
1408         * config/i386/sol2-10.h: Likewise.
1409         * config/i386/sysv4.h: Likewise.
1410         * config/i386/vx-common.h: Likewise.
1411         * config/cris/cris.h: Removed #if 0 clause.
1412         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
1413         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
1414         argument.
1415         (ix86_sol10_return_in_memory): Likewise.
1416         (ix86_i386elf_return_in_memory): New.
1417         (ix86_i386interix_return_in_memory): New.
1418         * config/mt/mt-protos.h (mt_return_in_memory): New.
1419         * config/mt/mt.c: Likewise.
1420         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
1421         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
1422         * config/bfin/bfin.h: Likewise.
1423         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
1424         argument.
1425         * config/bfin/bfin.c: Likewise.
1426         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
1427         * config/alpha/unicosmk.h: Likewise.
1428         * config/i386/cygming.h: Likewise.
1429         * config/iq2000/iq2000.h: Likewise.
1430         * config/mips/mips.h: Likewise.
1431         * config/mn10300/mn10300.h: Likewise.
1432         * config/rs6000/rs6000.h: Likewise.
1433         * config/score/score.h: Likewise.
1434         * config/spu/spu.h: Likewise.
1435         * config/v850/v850.h: Likewise.
1436         * defaults.h: Likewise.
1437         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
1438         * expr.c (emit_block_move): Adjust use of
1439         OUTGOING_REG_PARM_STACK_SPACE.
1440         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
1441         OUTGOING_REG_PARM_STACK_SPACE.
1442         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
1444 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
1446         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
1447         on OMP_RETURN for OMP_FOR.
1449         PR debug/35896
1450         * dwarf2out.c (dw_expand_expr, common_check): Removed.
1451         (fortran_common): New function.
1452         (gen_variable_die): Call fortran_common instead of common_check,
1453         adjust for it returning tree instead of rtx.  Formatting.
1455 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
1457         PR rtl/7335
1458         PR rtl/33826
1459         * see.c (see_copy_insn): Copy new pure const attributes for new call.
1460         * c-decl.c (merge_decls): Ditto.
1461         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
1462         to RTL_CONST_OR_PURE_CALL_P.
1463         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
1464         Initialized DECL_LOOPING_CONST_PURE.
1465         (process_call_operands): Set tree_side_effects properly.
1466         * tree.h (TREE_READONLY_DECL_P): Removed.
1467         (DECL_IS_PURE): Renamed to DECL_PURE_P.
1468         (DECL_LOOPING_OR_CONST_P): New macro.
1469         (struct tree_function_decl): Added looping_const_or_pure_p.
1470         (ECF_*) Renumbered.
1471         (ECF_LOOPING_OR_CONST_P): New macro.
1472         * rtlanal.c (pure_const_p): Removed.
1473         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
1474         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
1475         to RTL_CONST_CALL_P.
1476         * ipa-pure-const.c (pure_const_state_e): Added looping field.
1477         (check_decl, check_tree, check_call, scan_function): Initialize
1478         looping.
1479         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
1480         (static_execute): Set looping true for recursive functions.
1481         Undo setting state to IPA_NEITHER for recursive functions.
1482         * cse.c (cse_insn): 
1483         * ifcvt.c (noce_can_store_speculate_p): Changed
1484         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or 
1485         RTL_CONST_OR_PURE_CALL_P.
1486         * dse.c (scan_insn): Ditto.
1487         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
1488         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
1489         RTL_CONST_OR_PURE_CALL_P.
1490         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
1491         pure_call_p to RTL_CONST_CALL_P.
1492         * gimplify.c (gimplify_call_expr): Clear side effects for
1493         non-looping pure and constant calls.
1494         * calls.c (emit_call_1): Set rtl flags from ecf flags.
1495         (flags_from_decl_or_type): Set ecf flags from decl flags.
1496         (initialize_argument_information): Turn off
1497         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
1498         Change const to pure if callee_copies is true rather than just
1499         turning off const.
1500         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
1501         way of marking pure calls.
1502         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
1503         Remove hack that was supposed to fix pr7335 and remove old
1504         way of marking pure calls.
1505         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
1506         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
1507         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
1508         RTL_CONST_OR_PURE_CALL_P.
1509         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
1510         * loop-invariant.c (find_exits, find_invariant_bb): Changed
1511         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
1512         * sched-deps.c (schedule_analyze): Ditto.
1513         * rtl.h (struct rtx_def): Use call field, unchanging field, and
1514         return_val field of calls to represent pure and const function info.
1515         (CONST_OR_PURE_CALL_P): Deleted macro.
1516         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
1517         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
1518         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
1519         TREE_READONLY.
1520         * tree-optimize.c (execute_fixup_cfg): Added test for
1521         ECF_LOOPING_CONST_OR_PURE.
1522         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
1523         DECL_PURE_P.
1524         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
1525         effects for looping pure or const calls.
1526         (verify_gimple_expr): Added verification code. 
1527         * config/alpha/alpha.c (alpha_legitimize_address,
1528         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
1529         RTL_CONST_CALL_P.
1530         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
1531         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
1532         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
1533         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
1534         RTL_CONST_OR_PURE_CALL_P.
1535         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
1536         and const calls to be deleted.
1538 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
1540         PR target/35714
1541         * config/i386/mmx.md (mmx_subv2sf3): New expander.
1542         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
1543         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
1544         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1545         to handle nonimmediate operands.
1546         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
1547         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
1548         to handle nonimmediate operands.
1549         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
1550         (mmx_pmulhrwv4hi3): New expander.  Use
1551         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1552         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
1553         (sse2_umulv1siv1di3): New expander.  Use
1554         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1555         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
1556         (mmx_eq<mode>3): New expander.  Use
1557         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1558         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
1559         (mmx_uavgv8qi3): New expander.  Use
1560         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1561         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
1562         (mmx_uavgv4hi3): New expander.  Use
1563         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1565         * config/i386/sse.md
1566         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
1567         to handle nonimmediate operands.
1568         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
1569         to handle nonimmediate operands.
1570         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
1571         to handle nonimmediate operands.
1572         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
1573         to handle nonimmediate operands.
1574         (sse2_unpckhpd_exp): New expander.  Use
1575         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1576         (sse2_unpcklpd_exp): New expander.  Use
1577         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1578         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
1579         to handle nonimmediate operands.
1580         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
1581         to handle nonimmediate operands.
1582         (*sse2_<plusminus_insn><mode>3): Rename from
1583         sse2_<plusminus_insn><mode>3 insn pattern.
1584         (sse2_<plusminus_insn><mode>3): New expander.  Use
1585         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1586         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
1587         (sse2_umulv2siv2di3): New expander.  Use
1588         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1589         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
1590         (sse4_1_mulv2siv2di3): New expander.  Use
1591         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1592         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
1593         (sse2_pmaddwd): New expander.  Use
1594         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1595         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
1596         (sse2_eq<mode>3): New expander.  Use
1597         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1598         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
1599         (sse4_1_eqv2di3): New expander.  Use
1600         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1601         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
1602         (sse2_uavgv16qi3): New expander.  Use
1603         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1604         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
1605         (sse2_uavgv16qi3): New expander.  Use
1606         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1607         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
1608         (sse2_uavgv8hi3): New expander.  Use
1609         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1610         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
1611         (ssse3_pmulhrswv8hi3): New expander.  Use
1612         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1613         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
1614         (ssse3_pmulhrswv4hi3): New expander.  Use
1615         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1617         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
1618         (<sse>_vmmul<mode>3): Ditto.
1619         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
1620         (divv2df3): Ditto.
1621         (ssse3_pmaddubsw128): Use register_operand for operand 1.
1622         (ssse3_pmaddubsw): Ditto.
1624         * config/i386/i386.c (struct_builtin_description)
1625         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
1626         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
1627         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
1628         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
1629         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
1630         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
1631         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
1632         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
1633         (ix86_fixup_binary_operands): Assert that src1
1634         and src2 must have the same mode when swapped.
1635         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
1636         and ix86_binary_operator_ok.  Do not force operands in registers
1637         when optimizing.
1639 2008-05-07  Jan Hubicka  <jh@suse.cz>
1641         * cgraph.c (dump_cgraph_node): Update.
1642         * cgraph.h (cgraph_local_info): Break out inline summary.
1643         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
1644         hook.
1645         * ipa-inline (inline_summary): New accestor function.
1646         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
1647         cgraph_decide_inlining, compute_inline_parameters): Update.
1648         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
1650 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
1652         Cleanup ColdFire scheduling support and add V4 pipeline model.
1654         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
1655         (define_attr cpu): Add cfv4 value.
1656         (define_attr type, define_attr type1): Merge into a single 'type'
1657         attribute.  Update all uses.
1658         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
1659         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
1660         Update all uses.
1661         (define_attr opx_mem, define_attr opy_mem): Remove.
1662         (define_attr op_mem): Clean up, update comment.
1663         (define_attr size): Use specific values instead of general int.
1664         (define_attr guess, define_attr split): Remove.  Update all uses.
1665         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
1666         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
1667         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
1668         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
1669         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
1670         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
1671         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
1672         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
1673         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
1674         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
1675         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
1676         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
1677         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
1678         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
1679         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
1680         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
1681         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
1682         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
1683         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
1684         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
1685         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
1686         Update or set attributes.
1687         (stack_tie): New fake instruction.
1689         * config/m68k/m68k.h (TUNE_CFV4): New macro.
1690         (m68k_sched_attr_size): Update declaration.
1691         (m68k_sched_attr_type2): Remove.
1692         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
1693         Declare new bypass predicates.
1695         * config/m68k/m68k.c (m68k_sched_issue_rate,
1696         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
1697         implementations.
1698         (TARGET_SCHED_ISSUE_RATE,
1699         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
1700         (override_options): Handle scheduling for ColdFire V4 core.
1701         (m68k_expand_prologue): Emit stack_tie.
1702         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
1703         'OP_TYPE_FPN'.  Update all uses.
1704         (sched_guess_p): Remove.
1705         (sched_address_type): Handle symbolic addresses.
1706         (sched_get_operand): New static function.
1707         (sched_operand_type): Merge into sched_attr_op_type.
1708         (sched_attr_op_type): Handle FP registers, handle quick constants,
1709         update.
1710         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
1711         (m68k_sched_attr_size): Update.  Move logic to ...
1712         (sched_get_attr_size_int): New static function.
1713         (sched_get_opxy_mem_type): New static function.
1714         (m68k_sched_attr_op_mem): Update.
1715         (m68k_sched_attr_type2): Remove.
1716         (sched_cfv4_bypass_data): New static variable.
1717         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
1718         (m68k_sched_issue_rate): Implement scheduler hook.
1719         (struct _sched_ib: enabled_p): New field.
1720         (m68k_sched_variable_issue): Update.  Handle V4.
1721         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
1722         sched_dump_class_func_t, sched_dump_split_class,
1723         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
1724         sched_dump_dfa_class, m68k_sched_dump): Remove.
1725         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
1726         hook.
1727         (m68k_sched_init_global): Remove statisctics dumping, introduce
1728         sanity check that all instructions have pipeline reservations.  Handle
1729         ColdFire V4 core.
1730         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
1731         Handle ColdFire V4 core.
1732         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
1733         New static functions.
1734         (m68k_sched_address_bypass_p): New bypass predicate.
1735         (sched_get_indexed_address_scale): New static function.
1736         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
1738         * cf.md: Update comments.
1739         (define_attr type2): Remove.  Use 'type' attribute instead.
1740         Update all uses.
1741         (cf_ib): Rename to cfv123_ib.  Update all uses.
1742         (cf_oep): Rename to cfv123_oep.  Update all uses.
1743         (cf_chr): Rename to cfv123_chr.  Update all uses.
1744         (cf_mem): Rename to cfv123_mem.  Update all uses.
1745         (cf_mac): Move to more appropriate place.
1746         (cfv123_guess): New automaton and cpu_unit.
1747         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
1748         Update uses of 'size' attribute.  Handle before reload scheduling.
1749         (cfv123_guess): New dummy reservation for unhandled instructions.
1750         (cfv4_*): Pipeline description of ColdFire V4 core.
1751         (ignore): New reservation to handle 'ignore' type.
1753 2008-05-07  Ian Lance Taylor  <iant@google.com>
1755         PR middle-end/36013
1756         * gimplify.c (find_single_pointer_decl_1): Don't look through
1757         indirections.
1758         (find_single_pointer_decl): Adjust comments.
1760 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
1762         PR middle-end/36137
1763         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
1764         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
1766         PR middle-end/36106
1767         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
1768         integral type rather than floating point, then VIEW_CONVERT_EXPR
1769         to the floating point type.
1771 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
1773         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
1774         TFmode op0 to register.
1776 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
1778         * c-decl.c (grokdeclarator): Comment typo.
1780 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
1782         * tree-flow.h: Remove prototype for computed_goto_p.
1783         * tree-cfg.c (computed_goto_p): Make static.
1785 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1787         PR target/35657
1788         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
1789         (contains_aligned_value_p): This.  Handle _Decimal128.
1790         (ix86_function_arg_boundary): Only align _Decimal128 to its
1791         natural boundary and handle it properly.
1793 2008-05-06  Martin Jambor  <mjambor@suse.cz>
1795         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
1796         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
1797         (ipcp_method_set_orig_node): Removed.
1798         (ipcp_cval_get_cvalue_type): Removed.
1799         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
1800         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
1801         (ipcp_cval_set_cvalue_type): Removed.
1802         (ipcp_cval_get_cvalue): Removed.
1803         (ipcp_cval_set_cvalue): Removed.
1804         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
1805         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
1806         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
1807         (ipcp_cval_meet): Renamed to ipa_lattice_meet
1808         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
1809         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
1810         (ipcp_get_ith_lattice): Changed parameters.
1811         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
1812         (ipcp_lattice_from_jfunc): Changed parameters.
1813         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
1814         (ipcp_method_cval_print): Added temporary variable info.
1815         (ipcp_redirect): Removed already unused local variable caller.
1816         (ipcp_redirect): New temporary variable orig_callee_info
1817         (ipcp_redirect): Removed newly unused local variable callee.
1818         (ipcp_redirect): Removed (a bit confusing) local variable type.
1819         (ipcp_insert_stage): Added local variable info.
1820         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters 
1821         renamed too
1822         (ipcp_formal_create): Removed.
1823         (ipcp_method_cval_set): Removed.
1824         (ipcp_propagate_stage): Renamed lattice variables.
1825         (ipcp_method_cval_set_cvalue_type): Removed.
1826         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
1827         (ipcp_print_all_lattices): Changed printed strings to refer to 
1828         lattices rather than cvals.
1829         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
1830         (ipcp_propagate_const): Changed formal parameters.
1831         (build_const_val): Changed formal parameters.
1832         (ipcp_insert_stage): Removed useless variable cvalue
1833         (build_const_val): Changed formal parameters.
1834         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
1835         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
1836         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
1837         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
1838         (ipcp_print_func_profile_counts): Changed string from "method" to 
1839         "function"
1840         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
1841         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
1842         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
1843         (ipcp_structures_print): Renamed to ipcp_print_all_structures
1844         (ipcp_profile_print): Renamed to ipcp_print_profile_data
1845         (ipcp_lat_is_const): Changed parameters and made inline.
1846         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
1847         (ipcp_redirect): Renamed to ipcp_need_redirect_p
1848         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using 
1849         the predicate condition directly
1850         (ipcp_propagate_stage): Added local variable args. Removed local
1851         variable callee.  (Both are mere code simplifications.)
1852         (ipcp_method_dont_insert_const): Renamed to
1853         ipcp_node_not_modifiable_p.
1854         (ipcp_node_not_modifiable_p): Made inline.
1855         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
1856         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
1857         (ipcp_print_all_lattices): Removed variable cvalue
1858         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
1859         Updated comments.
1861 2008-05-06  Olivier Hainque  <hainque@adacore.com>
1863         * tree-sra.c (try_instantiate_multiple_fields): Early return
1864         if field has POINTER_TYPE.
1866 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
1868         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
1869         by using 'q' specifier for instruction.
1870         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
1872 2008-05-06  Anatoly Sokolov <aesok@post.ru>
1874         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
1875         Change mode of zero_extract from QImode to HImode.
1876         (sign bit tests peepholes): (Ditto.).
1878 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
1880         * config/i386/mmx.md: Remove double backslashes from asm templates.
1881         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
1882         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1883         to handle nonimmediate operands.
1884         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
1885         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1886         to handle nonimmediate operands.
1887         (*mmx_<code>v2sf3_finite): New insn pattern.
1888         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
1889         (mmx_<code>v2sf3): New expander.  Use
1890         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1891         (mmx_<plusminus_insn><mode>3): New expander.  Use
1892         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1893         (*mmx_<plusminus_insn><mode>3): New insn pattern.
1894         (mmx_add<mode>3): Removed.
1895         (mmx_ssadd<mode>3): Ditto.
1896         (mmx_usadd<mode>3): Ditto.
1897         (mmx_sub<mode>3): Ditto.
1898         (mmx_sssub<mode>3): Ditto.
1899         (mmx_ussub<mode>3): Ditto.
1900         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
1901         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
1902         to handle nonimmediate operands.
1903         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
1904         insn pattern.
1905         (mmx_smulv4hi3_highpart): New expander.  Use
1906         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1907         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
1908         insn pattern.
1909         (mmx_umulv4hi3_highpart): New expander.  Use
1910         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1911         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
1912         (mmx_<code>v4hi3): New expander.  Use
1913         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1914         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
1915         (mmx_<code>v8qi3): New expander.  Use
1916         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1917         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
1918         (mmx_<code><mode>3): New expander.  Use
1919         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1921 2008-05-05  Jan Hubicka  <jh@suse.cz>
1923         PR tree-optimization/36118
1924         * passes.c (pass_init_dump_file): Fix dump header.
1926 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1928         PR middle-end/36141
1929         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
1930         VCE for function decls.
1932 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
1934         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
1936 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
1938         * config/i386/i386.md (sat_plusminus): New.
1939         (plusminus_insn): Likewise.
1940         (plusminus_mnemonic): Likewise.
1941         (addsub): Removed.
1942         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
1943         (*<addsub><mode>3_cc_overflow): Renamed to ...
1944         (*<plusminus_insn><mode>3_cc_overflow): This.
1945         (*<addsub>si3_zext_cc_overflow): Renamed to ...
1946         (*<plusminus_insn>si3_zext_cc_overflow): This.
1948         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
1949         (<plusminus_insn><mode>3): This.
1950         (*<addsub><mode>3): Renamed to ...
1951         (*<plusminus_insn><mode>3): This.
1952         (<sse>_vm<addsub><mode>3): Renamed to ...
1953         (<sse>_vm<plusminus_insn><mode>3): This.
1954         (sse3_h<addsub>v4sf3): Renamed to ...
1955         (sse3_h<plusminus_insn>v4sf3): This.
1956         (sse3_h<addsub>v2df3): Renamed to ...
1957         (sse3_h<plusminus_insn>v2df3): This.
1958         (<plusminus_insn><mode>3): New.
1959         (*<plusminus_insn><mode>3): Likewise.
1960         (sse2_<plusminus_insn><mode>3): Likewise.
1961         (add<mode>): Removed.
1962         (*add<mode>3): Likewise.
1963         (sse2_ssadd<mode>3): Likewise.
1964         (sse2_usadd<mode>3): Likewise.
1965         (sub<mode>3): Likewise.
1966         (*sub<mode>3): Likewise.
1967         (sse2_sssub<mode>3): Likewise.
1968         (sse2_ussub<mode>3): Likewise.
1970 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
1972         * gthr-single.h: Add in required interface elements as per gthr.h.
1973         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
1974         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
1975         Generalize UNUSED macro. 
1976         (__gthread_once): Add.
1977         (__gthread_key_create): Add.
1978         (__gthread_key_delete): Add.
1979         (__gthread_getspecific): Add.
1980         (__gthread_setspecific): Add.
1981         
1982 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
1984         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
1985         the same size types for the indirect reference on the rhs, then
1986         create a VCE.
1988 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
1990         * config/i386/i386.md
1991         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
1992         one insn template instead of template series.
1993         (*xordi_1_rex64): Ditto.
1994         (*xordi_2_rex64): Ditto.
1996 2008-05-05  Ira Rosen  <irar@il.ibm.com>
1998         PR tree-optimization/36119
1999         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
2000         in case of SLP.
2002 2008-06-04  Jan Hubicka  <jh@suse.cz>
2004         tree-optimization/36100
2005         * tree-pass.h (pass_O0_always_inline): Declare.
2006         * ipa-inline.c (inline_transform): Remove dead code.
2007         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
2008         pass_O0_always_inline): New.
2009         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
2011 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
2013         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
2014         mnemonic in this_param move for TARGET_64BIT.
2016 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
2018         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
2019         (*strmovsi_rex_1): Ditto.
2020         (*strsetsi_1): Ditto.
2021         (*strsetsi_rex_1): Ditto.
2023         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
2024         adddicc expanders using SWI mode iterator.
2026 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
2028         PR target/36121
2029         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
2030         argument handling.
2032 2008-05-04  David S. Miller  <davem@davemloft.net>
2034         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
2035         (sparc*-*-linux*): Use linux.h in tm_file.
2036         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
2037         compiler defaulting to 32-bit.
2038         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
2039         no longer needed.
2040         * config/sparc/linux.h: Remove definitions now obtained
2041         properly from linux.h
2042         * config/sparc/linux64.h: Likewise.
2043         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
2044         don't want this setting for 32-bit builds in a biarch compiler.
2045         * doc/install.texi: Add sparc-linux to list of targets
2046         supporting --enable-targets=all.
2048 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
2050         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
2052 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
2054         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
2055         after V4SI_FTYPE_V8HI.
2056         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
2057         case V4SI_FTYPE_V2DF.
2059 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
2061         * doc/invoke.texi (max-flow-memory-locations): Removed.
2062         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
2063         
2064 2008-05-03  Richard Guenther  <rguenther@suse.de>
2066         PR middle-end/34973
2067         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
2069 2008-05-02  David S. Miller  <davem@davemloft.net>
2071         * config.gcc (need_64bit_hwint): Document libcpp dependency.
2073 2008-05-02  Simon Baldwin <simonb@google.com>
2075         PR bootstrap/36108
2076         * c-common.h (warn_array_subscript_range): Removed.
2077         * c-common.c (warn_array_subscript_range): Ditto.
2078         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
2079         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
2081 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
2083         * config/i386/i386.c (ix86_special_builtin_type): New.
2084         (bdesc_special_args): Likewise.
2085         (ix86_expand_special_args_builtin): Likewise.
2086         (ix86_init_mmx_sse_builtins): Updated.
2087         (ix86_expand_builtin): Updated.
2088         (ix86_expand_store_builtin): Removed.
2089         (ix86_expand_unop_builtin): Likewise.
2091         * config/i386/mm3dnow.h (__v2sf): Moved to ...
2092         * config/i386/mmintrin.h (__v2sf): Here.
2094         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
2095         const __v2sf.
2096         (_mm_loadl_pi): Likewise.
2097         (_mm_storeh_pi): Replace __v2si with __v2sf.
2098         (_mm_storel_pi): Likewise.
2100         * doc/extend.texi: Correct __builtin_ia32_loadhps,
2101         __builtin_ia32_loadlps, __builtin_ia32_storehps,
2102         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
2103         __builtin_ia32_loadlpd.
2105 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
2107         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
2108         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
2109         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
2110         (ix86_init_mmx_sse_builtins): Updated.
2111         (ix86_expand_args_builtin): Likewise.
2112         (ix86_expand_builtin): Likewise.
2113         (ix86_expand_unop1_builtin): Renamed to ...
2114         (ix86_expand_unop_vec_merge_builtin): This.
2116 2008-05-01  Jan Hubicka  <jh@suse.cz>
2118         PR bootstrap/36100
2119         * ipa-inline.c (inline_generate_summary): Make static.
2120         (inline_transform): Do not call inlining at -O0; make static.
2121         * passes.c (execute_todo): Add sanity check.
2122         (execute_one_ipa_transform_pass): Execute proper flags.
2124 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
2126         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
2127         (DECL_NONADDRESSABLE_P): Likewise.
2128         * alias.c (record_component_aliases): Fix comment.
2130 2008-05-01  Simon Baldwin <simonb@google.com>
2132         * c-common.h (warn_array_subscript_range): New function.
2133         * c-common.c (warn_array_subscript_range): Ditto.
2134         * tree-vrp.c (check_array_ref): Corrected code to agree with
2135         comment, ignoring only arrays of size 0 or size 1.
2136         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
2138 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2140         * config/i386/i386.c (ix86_builtin_type): Replace
2141         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
2142         (bdesc_args): Updated.
2143         (ix86_init_mmx_sse_builtins): Likewise.
2144         (ix86_expand_args_builtin): Likewise.
2146         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
2147         with __v1di.
2149         * doc/extend.texi: Correct __builtin_ia32_palignr.
2151 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2153         PR target/36095
2154         * config/i386/i386.c (bdesc_crc32): Removed.
2155         (ix86_expand_crc32): Likewise.
2156         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
2157         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
2158         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
2159         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
2160         UINT_FTYPE_UINT_UCHAR.
2161         (bdesc_args): Updated. Add crc32 builtins.
2162         (ix86_init_mmx_sse_builtins): Updated.
2163         (ix86_expand_args_builtin): Updated to support subreg.
2165         * doc/extend.texi: Correct __builtin_ia32_crc32di.
2167 2008-05-01  Jan Hubicka  <jh@suse.cz>
2169         * tree-pass.h (opt_pass): Add IPA_PASS.
2170         (varpool_node, cgraph_node): Forward declare.
2171         (ipa_opt_pass): Define.
2172         (pass_ipa_inline): Turn into ipa_opt_pass.
2173         (pass_apply_inline): Remove.
2174         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
2175         (apply_inline): Turn into ....
2176         (inline_transform): ... this one.
2177         (inline_generate_summary): New function.
2178         (pass_apply_inline): Remove.
2179         * function.h (ipa_opt_pass): Forward declare structure; typedef;
2180         vector.
2181         (struct function): Add ipa_transforms_to_apply.
2182         * passes.c (register_one_dump_file): Work on IPA_PASS.
2183         (init_optimization_passes): Remove pass_inline_parameters and
2184         pass_apply_inline.
2185         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
2186         (execute_one_pass) ... here; apply transforms when possible.
2187         (add_ipa_transform_pass, execute_ipa_summary_asses,
2188         execute_one_ipa_transform_pass): New.
2189         (execute_ipa_pass_list): Update for IPA_PASS type.
2191 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2193         * config/i386/i386.c (ix86_builtin_type): Add
2194         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
2195         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
2196         (bdesc_args): Add SSE4a builtins.
2197         (ix86_init_mmx_sse_builtins): Updated.
2198         (ix86_expand_args_builtin): Likewise.
2199         (ix86_expand_builtin): Likewise.
2201 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2203         * config/i386/i386.c (ix86_builtin_type): Add
2204         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
2205         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
2206         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
2207         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
2208         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
2209         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
2210         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
2211         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
2212         and DI_FTYPE_DI_DI_INT.
2213         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
2214         (ix86_init_mmx_sse_builtins): Updated.
2215         (ix86_expand_args_builtin): Likewise.
2216         (ix86_expand_builtin): Likewise.
2217         (ix86_expand_binop_imm_builtin): Removed.
2219         * doc/extend.texi: Correct __builtin_ia32_palignr128.
2221 2008-04-30  Richard Guenther  <rguenther@suse.de>
2223         PR tree-optimization/32921
2224         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
2226 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
2228         * config/arm/arm.c (arm_unwind_emit): Use
2229         crtl->all_throwers_are_sibcalls instead of
2230         cfun->all_throwers_are_sibcalls.
2231         (arm_output_fn_unwind): Likewise.
2232         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
2233         instead of cfun->uses_pic_offset_table.
2234         (frv_expand_prologue): Likewise.
2235         (frv_frame_pointer_required): Likewise.
2236         (frv_expand_fdpic_call): Likewise.
2237         (frv_emit_movsi): Likewise.
2238         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
2239         cfun->returns_pcc_struct instead of
2240         current_function_returns_pcc_struct.
2241         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
2242         instead of cfun->calls_eh_return.
2243         (m32c_pushm_popm): Likewise.
2244         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
2245         "extern" declaration.
2247 2008-04-30  Richard Guenther  <rguenther@suse.de>
2249         PR tree-optimization/21636
2250         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
2251         constant address.
2252         (evaluate_stmt): Print the likely value.
2253         (ccp_visit_stmt): Avoid excessive vertical spacing.
2255 2008-04-30  Rafael Espindola  <espindola@google.com>
2257         * builtins.c (fold_call_expr): Return realret.
2258         * tree-ssa-threadedge.c
2259         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2260         __builtin_object_size.
2262 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
2264         * gcc.c (wrapper_string): New variable.
2265         (insert_wrapper): New function.
2266         (execute): New option -wrapper.
2267         * doc/invoke.texi (Overall Options): New driver option -wrapper.
2269 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
2271         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
2272         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
2273         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
2274         from...
2275         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
2276         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
2277         config/rs6000/e500crtres64gprctr.asm,
2278         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
2279         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
2280         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
2281         config/rs6000/e500crtsav64gprctr.asm,
2282         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
2283         config/rs6000/e500crtsavg64gprctr.asm: New files.
2284         * config/rs6000/t-ppccomm: Add build rules for new files.
2285         (LIB2FUNCS_STATIC_EXTRA): Add new files.
2286         * config/rs6000/t-netbsd: Add build rules for new files.
2287         (LIB2FUNCS_STATIC_EXTRA): New variable.
2288         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
2289         (CRTSAVRES_DEFAULT_SPEC): Likewise.
2290         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
2292 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
2294         * config/i386/i386.c (ix86_builtin_type): Add
2295         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
2296         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
2297         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
2298         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
2299         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
2300         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
2301         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
2302         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
2303         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
2304         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
2305         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
2306         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
2307         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
2308         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
2309         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
2310         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
2311         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
2312         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
2313         V1DI_FTYPE_V2SI_V2SI.
2314         (bdesc_2arg): Moved to ...
2315         (bdesc_args): Here.
2316         (ix86_init_mmx_sse_builtins): Updated.
2317         (ix86_expand_args_builtin): Updated.  Take a pointer
2318         to const struct builtin_description.  Handle comparison
2319         builtin functions.
2320         (ix86_expand_sse_compare): Take a new argument for swapping operands.
2321         (ix86_expand_builtin): Updated.
2323         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
2324         (ssse3_pmaddubsw128): This.
2325         (ssse3_pmaddubswv4hi3): Renamed to ...
2326         (ssse3_pmaddubsw): This.
2328         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
2329         (__builtin_ia32_packssdw128): Likewise.
2330         (__builtin_ia32_packuswb128): Likewise.
2331         (__builtin_ia32_pmaddubsw): Likewise.
2332         (__builtin_ia32_pmaddubsw128): Likewise.
2334 2008-04-30  Richard Guenther  <rguenther@suse.de>
2336         PR tree-optimization/14847
2337         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
2338         (recognize_bits_test): Use it.
2339         (recognize_single_bit_test): Likewise.
2341 2008-04-30  Martin Jambor  <mjambor@suse.cz>
2343         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
2344         instead of setting number of formal parameters to zero.
2345         (ipcp_init_stage): Do not set the number of actual parameters to zero 
2346         either.
2347         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
2348         which are called with variable number of arguments.
2349         (ipcp_insert_stage): Explicitely skipping all nodes which are
2350         called with variable number of arguments.
2351         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible 
2352         number of parameters.
2354         * ipa-prop.h (struct ipa_node_params): Added flag
2355         called_with_var_arguments
2356         (ipa_set_param_count): Added.  Changed sole setter to use it.
2357         (ipa_get_param_count): Added.  All readers of param_count
2358         converted to use it instead.
2359         (ipa_set_called_with_variable_arg): Added.
2360         (ipa_is_called_with_var_arguments): Added.
2361         (ipa_get_ith_param): Added.  All readers of param_decls converted
2362         to use it instead.
2363         (ipa_set_cs_argument_count): Added, sole writer to argument_count 
2364         changed to use it. 
2365         (ipa_get_cs_argument_count): Added, all readers of argument_count
2366         changed to cal it.
2367         (ipa_get_ith_jump_func): Added. Accessors of jump values changed 
2368         to use it.
2369         
2370         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
2371         (struct ipcp_lattice): Renamed cval_type to type
2372         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
2374         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
2375         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
2376         (ipcp_insert_stage): Changed the type of variable cvalue to tree
2377         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
2378         (build_const_val): Changed the type of parameter cvalue to tree
2379         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
2380         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
2381         
2382         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called 
2383         constant 
2385         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
2386         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
2387         (ipa_add_method): Renamed to ipa_push_func_to_list
2388         (ipa_remove_method): Renamed to ipa_pop_func_from_list
2389         (ipa_callsite_param_count): Removed.
2390         (ipa_callsite_param_count_set): Removed.
2391         (ipa_callsite_param): Removed.
2392         (ipa_callsite_callee): Removed.
2393         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
2394         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
2395         (ipa_method_formal_count): Removed.
2396         (ipa_method_formal_count_set): Removed.
2397         (ipa_method_get_tree): Removed.
2398         (ipa_method_tree_map_create): Removed.
2399         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
2400         (ipa_create_param_decls_array): Creates the array itself
2401         (ipa_create_param_decls_array): Temporary variable info instead of 
2402         a few dereferences.
2403         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
2404         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
2405         (get_type): Removed.
2406         (ipa_jf_get_info_type): Removed.
2407         (ipa_node_create): Renamed to ipa_create_node_params
2408         (ipa_free): Renamed to ipa_free_all_node_params
2409         (ipa_nodes_create): Renamed to ipa_create_all_node_params
2410         (ipa_edges_create): Renamed to ipa_create_all_edge_args
2411         (ipa_edges_free): Renamed to ipa_free_all_edge_args
2412         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
2413         (ipa_free_all_node_params): Deallocation to jump_functions moved to 
2414         ipa_free_all_edge_args
2415         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
2416         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
2417         (ipa_create_methodlist_node): Removed.
2418         (ipa_methodlist_method): Removed.
2419         (ipa_methodlist_method_set): Removed.
2420         (ipa_methodlist_next_method): Removed.
2421         (ipa_methodlist_next_method_set): Removed.
2422         (ipa_method_is_modified): Removed.
2423         (ipa_method_modify_create): Removed.
2424         (ipa_method_modify_init): Temporary variable info instead of a few 
2425         dereferences.
2426         (ipa_detect_param_modifications): Temporary variable info instead of 
2427         a few dereferences.
2428         (ipa_compute_jump_functions): Temporary variable info instead of 
2429         a few dereferences.
2430         (ipa_method_modify_set): Removed.
2431         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
2432         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather 
2433         than craph_node as the first parameter.
2434         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
2435         (ipa_method_modify_init): Removed.
2436         (ipa_compute_jump_functions): Added a temp variable instead of 
2437         repeatadly dereferencing the cgraph_edge.aux pointer
2438         (ipa_callsite_param_set_type): Removed.
2439         (ipa_compute_jump_functions): i renamed to index and moved to 
2440         an inner block
2441         (ipa_callsite_param_set_info_type_formal): Removed.
2442         (ipa_callsite_param_set_info_type): Removed.
2443         (ipa_callsite_param_map_create): Removed.
2444         (ipa_callsite_tree): Removed.
2445         (ipa_callsite_caller): Removed.
2446         (ipa_pop_func_from_list): return_method removed to return_func
2448         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
2449         prefixed all values with IPA_. Changed all users.
2450         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN, 
2451         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF 
2452         and FORMAL_IPATYPE IPA_PASS_THROUGH. 
2453         (union parameter_info): Renamed to jump_func_value.
2454         (union jump_func_value): Renamed value to constant
2455         (struct ipa_jump_func): Renamed info_type to value
2456         (struct ipa_node): Renamed to ipa_node_params
2457         (struct ipa_node_params): Renamed ipa_arg_num to param_count
2458         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
2459         (struct ipa_node_params): Renamed ipa_mod to modified_flags
2460         (struct ipa_edge): Renamed to ipa_edge_args
2461         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
2462         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
2463         (struct ipa_methodlist): Renamed to ipa_func_list
2464         (struct ipa_func_list): method_p renamed to node, next_method
2465         renamed to next
2466         (ipa_methodlist_p): Removed, switched all users to struct pointer
2467         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
2469 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
2471         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
2472         (rs6000_emit_epilogue): Use backchain to restore only when we
2473         have a large frame.  Make use of frame pointer to restore if we
2474         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
2476 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
2478         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
2479         Add mode to zero_extract.
2480         (sign bit tests peepholes): (Ditto.).
2482 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
2484         * config/i386/i386.c (ix86_builtins): Replace Prescott New
2485         Instructions in comments with SSE3.
2486         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
2487         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
2488         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
2489         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
2490         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
2491         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
2492         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
2493         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
2494         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
2495         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
2496         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
2497         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
2498         (bdesc_sse_args): Renamed to ...
2499         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
2500         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
2501         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
2502         IX86_BUILTIN_FABSQ.
2503         (bdesc_1arg): Moved to ...
2504         (bdesc_args): Here.
2505         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
2506         Instructions in comments with SSE3.
2507         (ix86_expand_sse_operands_builtin): Renamed to ...
2508         (ix86_expand_args_builtin): This.  Updated.
2509         (ix86_expand_unop1_builtin): Update comments.
2510         (ix86_expand_builtin): Updated.
2512 2008-04-29  Richard Guenther  <rguenther@suse.de>
2514         PR tree-optimization/36078
2515         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
2516         Update virtual SSA form after cleaning up the CFG.
2518 2008-04-29  Richard Guenther  <rguenther@suse.de>
2520         PR middle-end/15255
2521         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
2523 2008-04-29  Richard Guenther  <rguenther@suse.de>
2525         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
2526         (compute_may_aliases): Do not call finalize_ref_all_pointers.
2527         (compute_flow_insensitive_aliasing): Do not treat
2528         PTR_IS_REF_ALL pointers special.
2529         (get_smt_for): Likewise.
2530         (may_alias_p): Re-structure.
2531         (is_escape_site): A ref-all pointer conversion is not an escape site.
2532         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
2533         PTR_IS_REF_ALL pointers special.
2534         * tree-ssa-structalias.h (struct alias_info): Remove
2535         ref_all_symbol_mem_tag field.
2536         (PTR_IS_REF_ALL): Remove.
2538 2008-04-29  Richard Guenther  <rguenther@suse.de>
2540         PR middle-end/36077
2541         * fold-const.c (extract_muldiv_1): In combining division constants
2542         make sure to never overflow.
2544 2008-04-29  Nick Clifton  <nickc@redhat.com>
2546         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
2548 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2550         PR bootstrap/35169
2551         * optc-gen.awk: Work around HP-UX/IA awk bug.
2553 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
2555         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
2556         2008-04-25 commit.
2558 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
2560         PR target/36073
2561         * config/i386/i386.md
2562         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
2563         Change operand 1 predicate to nonimmediate_operand.
2565 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
2567         PR debug/36060
2568         * dwarf2out.c (struct die_struct): Mark as chain_circular through
2569         die_sub field.
2570         * gengtype.c (walk_type, write_func_for_structure): Handle
2571         chain_circular.
2572         * doc/gty.texi: Document chain_circular.
2574 2008-04-28  Richard Guenther  <rguenther@suse.de>
2576         PR tree-optimization/36066
2577         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
2578         SCEV and loop.
2580 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
2582         PR target/36064
2583         * config/i386/i386.md
2584         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
2585         Use match_scratch instead of match_operand for operands 3 and 4.
2587 2008-04-27  Richard Guenther  <rguenther@suse.de>
2589         PR tree-optimization/18754
2590         PR tree-optimization/34223
2591         * tree-pass.h (pass_complete_unrolli): Declare.
2592         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
2593         loop size before and after unconditionally of UL_NO_GROWTH in effect.
2594         Rewrite loop into loop closed SSA form if it is not already.
2595         (tree_unroll_loops_completely): Re-structure to iterate over
2596         innermost loops with intermediate CFG cleanups.
2597         Unroll outermost loops only if requested or the code does not grow
2598         doing so.
2599         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
2600         loops are available.
2601         (tree_vectorize): Instead do so here.
2602         (tree_complete_unroll): Also unroll outermost loops.
2603         (tree_complete_unroll_inner): New function.
2604         (gate_tree_complete_unroll_inner): Likewise.
2605         (pass_complete_unrolli): New pass.
2606         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
2607         uses outside of the loop.
2608         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
2609         form if it is available.  
2610         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
2611         * passes.c (init_optimization_passes): Schedule complete inner
2612         loop unrolling pass before the first CCP pass after final inlining.
2614 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2616         * targhooks.h (default_emutls_var_fields,
2617         default_emutls_var_init): Declare.
2618         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
2619         * target.h (struct gcc_target): Add struct emutls member.
2620         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
2621         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
2622         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
2623         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
2624         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
2625         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
2626         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
2627         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
2628         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
2629         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
2630         emit debug information.
2631         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
2632         * varasm.c: Include targhooks.h.
2633         (emutls_object_section, emutls_tmpl_section): New.
2634         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
2635         (EMUTLS_SEPARATOR): New.
2636         (prefix_name): New.
2637         (get_emutls_object_name): New.
2638         (default_emutls_var_fields): New, broken out of ...
2639         (get_emutls_object_type): ... here.  Adjust to use target hooks.
2640         (get_emutls_init_templ_addr): Adjust to use target hooks.
2641         (emutls_decl): Adjust to use target hooks.
2642         (emutls_finish): Likewise.
2643         (default_emutls_var_init): New, broken out of ...
2644         (assemble_variable): ... here.  Adjust to use target hooks.
2645         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
2646         SECCAT_EMUTLS_TMPL.
2647         * c-common.c (handle_section_attribute): Prevent overriding
2648         sections for emulated tls with special sections.
2649         * config/i386/i386.c (x86_64_elf_select_section): Add
2650         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
2651         (x86_64_elf_unique_section): Likewise.
2652         * config/vxworks.c: Include tree.h.
2653         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
2654         (vxworks_override_options): Set TLS scheme.
2655         * doc/tm.texi (Emulated TLS): New node.
2657 2008-04-26  Simon Baldwin <simonb@google.com>
2659         PR c/35652
2660         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
2661         with propagated string constants.
2663 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
2665         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
2666         constraint for operand 2 when operand 0 is memory operand.
2667         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
2668         operand 0 is memory operand.
2669         (fix_trunc<mode>_i387_with_temp): Ditto.
2670         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
2671         operand 2 when operand 1 is memory operand.
2672         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
2673         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
2674         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
2675         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
2676         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
2677         operands 2,3 and 4 when operand 1 is memory operand.
2678         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
2679         is memory operand.
2680         (fistdi2_floor_with_temp): Ditto.
2681         (fist<mode>2_floor_with_temp): Ditto.
2682         (fistdi2_ceil_with_temp): Ditto.
2683         (fist<mode>2_ceil_with_temp): Ditto.
2684         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
2686 2008-04-26  David Daney  <ddaney@avtrex.com>
2688         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
2689         unspec_volitile.
2690         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
2691         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
2692         UNSPEC_UPDATE_GOT_VERSION): Renumber.
2693         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
2694         (compare_and_swap_12): New insn.
2695         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
2696         * config/mips/mips.c (mips_force_binary): New function.
2697         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
2698         (mips_expand_compare_and_swap_12): New function.
2699         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
2701 2008-04-25  Jan Hubicka  <jh@suse.cz>
2703         PR testsuite/35843
2704         * cfgexpand.c (pass_expand): Turn into RTL pass.
2705         * passes.c (execute_one_pass): Do pass typechecking after execution.
2706         * tree-pass.h (pass_expand): Turn into RTL pass.
2708         * function.h (struct rtl_data): Move here fields
2709         accesses_prior_frames, calls_eh_return, saves_all_registers,
2710         has_nonlocal_goto, has_asm_statement, is_thunk,
2711         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
2712         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
2713         arg_pointer_save_area_init from struct function; turn into bool.
2714         (struct function): Move
2715         calls_eh_return, saves_all_registers, has_nonlocal_goto,
2716         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
2717         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
2718         tail_call_emit, arg_pointer_save_area_init
2719         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
2720         (current_function_returns_struct, current_function_returns_pcc_struct,
2721         current_function_calls_setjmp, current_function_calls_alloca,
2722         current_function_accesses_prior_frames,
2723         current_function_calls_eh_return, current_function_is_thunk,
2724         current_function_stdarg, current_function_profile,
2725         current_function_limit_stack, current_function_uses_pic_offset_table,
2726         current_function_uses_const_pool, current_function_has_nonlocal_label,
2727         current_function_saves_all_registers,
2728         current_function_has_nonlocal_goto,
2729         current_function_has_asm_statement): Remove accesor macros.
2730         * ra-conflict.c (global_conflicts): Update.
2731         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
2732         (suitable_for_tail_call_opt_p): Update.
2733         * builtins.c (expand_builtin_return_addr): Update.
2734         (expand_builtin_setjmp_setup): Update.
2735         (expand_builtin_nonlocal_goto): Update.
2736         * final.c (final_start_function): Update.
2737         (profile_function): Update.
2738         (leaf_function_p): Update.
2739         (only_leaf_regs_used): Update.
2740         * df-scan.c (df_get_exit_block_use_set): Update.
2741         * dojump.c (clear_pending_stack_adjust): Update.
2742         * tree-stdarg.c (gate_optimize_stdarg): Update.
2743         * gimple-low.c (lower_function_body): Update.
2744         * global.c (compute_regsets): Update.
2745         (global_alloc): Update.
2746         * dwarf2out.c (dwarf2out_begin_prologue): Update.
2747         * expr.c (expand_assignment): Update.
2748         * dse.c (dse_step0): Update.
2749         (dse_step1): Update.
2750         * c-decl.c (store_parm_decls): Update.
2751         * local-alloc.c (combine_regs): Update.
2752         (find_free_reg): Update.
2753         * function.c (assign_parms_augmented_arg_list): Update.
2754         (assign_parm_find_data_types): Update.
2755         (assign_parms): Update.
2756         (allocate_struct_function): Update.
2757         (expand_function_start): Update.
2758         (expand_function_end): Update.
2759         (get_arg_pointer_save_area): Update.
2760         (thread_prologue_and_epilogue_insns): Update.
2761         (rest_of_match_asm_constraints): Update.
2762         * stor-layout.c (variable_size): Update.
2763         * gcse.c (gcse_main): Update.
2764         (bypass_jumps): Update.
2765         * gimplify.c (gimplify_function_tree): Update.
2766         * calls.c (emit_call_1): Update.
2767         (expand_call): Update.
2768         * bt-load.c (compute_defs_uses_and_gen): Update.
2769         * except.c (sjlj_assign_call_site_values): Update.
2770         (sjlj_emit_function_enter): Update.
2771         (can_throw_external): Update.
2772         (set_nothrow_function_flags): Update.
2773         (expand_builtin_unwind_init): Update.
2774         (expand_eh_return): Update.
2775         (convert_to_eh_region_ranges): Update.
2776         (output_function_exception_table): Update.
2777         * emit-rtl.c (gen_tmp_stack_mem): Update.
2778         * cfgexpand.c (expand_used_vars): Update.
2779         (tree_expand_cfg): Update.
2780         * cfgcleanup.c (rest_of_handle_jump): Update.
2781         * explow.c (allocate_dynamic_stack_space): Update.
2782         * varasm.c (assemble_start_function): Update.
2783         (force_const_mem): Update.
2784         (mark_constant_pool): Update.
2785         * tree-optimize.c (tree_rest_of_compilation): Update.
2786         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
2787         * tree-cfg.c (notice_special_calls): Update.
2788         (is_ctrl_altering_stmt): Update.
2789         (tree_can_make_abnormal_goto): Update.
2790         (tree_purge_dead_abnormal_call_edges): Update.
2791         * config/alpha/predicates.md: Update.
2792         * config/alpha/alpha.c (alpha_sa_mask): Update.
2793         (alpha_sa_size): Update.
2794         (alpha_does_function_need_gp): Update.
2795         (alpha_expand_prologue): Update.
2796         (alpha_start_function): Update.
2797         (alpha_output_function_end_prologue): Update.
2798         (alpha_expand_epilogue): Update.
2799         * config/frv/frv.c (frv_stack_info): Update.
2800         (frv_expand_epilogue): Update.
2801         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
2802         (s390_register_info): Update.
2803         (s390_frame_info): Update.
2804         (s390_init_frame_layout): Update.
2805         (s390_can_eliminate): Update.
2806         (save_gprs): Update.
2807         * config/spu/spu.c (spu_split_immediate): Update.
2808         (need_to_save_reg): Update.
2809         (spu_expand_prologue): Update.
2810         (spu_expand_epilogue): Update.
2811         * config/sparc/sparc.md: Update.
2812         * config/sparc/sparc.c (eligible_for_return_delay): Update.
2813         (sparc_tls_got): Update.
2814         (legitimize_pic_address): Update.
2815         (sparc_emit_call_insn): Update.
2816         (sparc_expand_prologue): Update.
2817         (output_return): Update.
2818         (print_operand): Update.
2819         (sparc_function_ok_for_sibcall): Update.
2820         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
2821         * config/m32r/m32r.md: Update.
2822         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
2823         (m32r_compute_frame_size): Update.
2824         (m32r_expand_prologue): Update.
2825         (m32r_expand_epilogue): Update.
2826         (m32r_legitimize_pic_address): Update.
2827         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
2828         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
2829         * config/i386/i386.c (ix86_frame_pointer_required): Update.
2830         (gen_push): Update.
2831         (ix86_save_reg): Update.
2832         (ix86_compute_frame_layout): Update.
2833         (ix86_expand_prologue): Update.
2834         (ix86_expand_epilogue): Update.
2835         * config/sh/sh.c (output_stack_adjust): Update.
2836         (calc_live_regs): Update.
2837         (sh5_schedule_saves): Update.
2838         (sh_expand_prologue): Update.
2839         (sh_expand_epilogue): Update.
2840         (sh_setup_incoming_varargs): Update.
2841         (sh_allocate_initial_value): Update.
2842         (sh_get_pr_initial_val): Update.
2843         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
2844         * config/sh/sh.md (label:): Update.
2845         * config/avr/avr.c (out_movhi_mr_r): Update.
2846         * config/crx/crx.h (enum): Update.
2847         * config/xtensa/xtensa.h (along): Update.
2848         * config/stormy16/stormy16.c Update.
2849         (xstormy16_compute_stack_layout): Update.
2850         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
2851         (fr30_expand_prologue): Update.
2852         * config/cris/cris.c (cris_conditional_register_usage): Update.
2853         (cris_reg_saved_in_regsave_area): Update.
2854         (cris_initial_frame_pointer_offset): Update.
2855         (cris_simple_epilogue): Update.
2856         (cris_expand_prologue): Update.
2857         (cris_expand_epilogue): Update.
2858         (cris_expand_pic_call_address): Update.
2859         (cris_asm_output_symbol_ref): Update.
2860         (cris_asm_output_label_ref): Update.
2861         * config/cris/cris.md Update.
2862         * config/iq2000/iq2000.c (compute_frame_size): Update.
2863         (iq2000_expand_epilogue): Update.
2864         * config/mt/mt.h (save_direction): Update.
2865         * config/mn10300/mn10300.c (mn10300_function_value): Update.
2866         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
2867         (ia64_secondary_reload_class): Update.
2868         * config/m68k/m68k.c (m68k_save_reg): Update.
2869         (m68k_expand_prologue): Update.
2870         (m68k_expand_epilogue): Update.
2871         (legitimize_pic_address): Update.
2872         * config/rs6000/rs6000.c (rs6000_got_register): Update.
2873         (first_reg_to_save): Update.
2874         (first_altivec_reg_to_save): Update.
2875         (compute_vrsave_mask): Update.
2876         (compute_save_world_info): Update.
2877         (rs6000_stack_info): Update.
2878         (spe_func_has_64bit_regs_p): Update.
2879         (rs6000_ra_ever_killed): Update.
2880         (rs6000_emit_eh_reg_restore): Update.
2881         (rs6000_emit_allocate_stack): Update.
2882         (rs6000_emit_prologue): Update.
2883         (rs6000_emit_epilogue): Update.
2884         (rs6000_output_function_epilogue): Update.
2885         (output_profile_hook): Update.
2886         (rs6000_elf_declare_function_name): Update.
2887         * config/rs6000/rs6000.h (rs6000_args): Update.
2888         * config/rs6000/rs6000.md: Update.
2889         * config/mcore/mcore.c (mcore_expand_prolog): Update.
2890         * config/arc/arc.c (arc_output_function_epilogue): Update.
2891         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
2892         * config/darwin.c (machopic_function_base_name): Update.
2893         * config/score/score3.c (score3_compute_frame_size): Update.
2894         (rpush): Update.
2895         (rpop): Update.
2896         (score3_epilogue): Update.
2897         * config/score/score7.c (score7_compute_frame_size): Update.
2898         (score7_prologue): Update.
2899         (score7_epilogue): Update.
2900         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
2901         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
2902         * config/arm/arm.c (use_return_insn): Update.
2903         (require_pic_register): Update.
2904         (arm_load_pic_register): Update.
2905         (arm_compute_save_reg0_reg12_mask): Update.
2906         (arm_compute_save_reg_mask): Update.
2907         (thumb1_compute_save_reg_mask): Update.
2908         (output_return_instruction): Update.
2909         (arm_output_function_prologue): Update.
2910         (arm_output_epilogue): Update.
2911         (arm_get_frame_offsets): Update.
2912         (arm_expand_prologue): Update.
2913         (thumb_pushpop): Update.
2914         (thumb_exit): Update.
2915         (thumb1_expand_prologue): Update.
2916         (thumb1_expand_epilogue): Update.
2917         (arm_unwind_emit): Update.
2918         (arm_output_fn_unwind): Update.
2919         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
2920         * config/arm/arm.md: Update.
2921         * config/pa/pa.md: Update.
2922         * config/pa/pa.c (legitimize_pic_address): Update.
2923         (compute_frame_size): Update.
2924         (hppa_expand_prologue): Update.
2925         (hppa_expand_epilogue): Update.
2926         (borx_reg_operand): Update.
2927         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
2928         (HARD_REGNO_RENAME_OK): Update.
2929         * config/mips/mips.c (mips_global_pointer): Update.
2930         (mips_save_reg_p): Update.
2931         (mips_compute_frame_info): Update.
2932         (mips_frame_pointer_required): Update.
2933         (mips_expand_prologue): Update.
2934         (mips_expand_epilogue): Update.
2935         (mips_can_use_return_insn): Update.
2936         (mips_reorg_process_insns): Update.
2937         * config/v850/v850.c (compute_register_save_size): Update.
2938         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
2939         * config/mmix/mmix.c (along): Update.
2940         (mmix_expand_epilogue): Update.
2941         * config/bfin/bfin.c (legitimize_pic_address): Update.
2942         (must_save_p): Update.
2943         (stack_frame_needed_p): Update.
2944         (add_to_reg): Update.
2945         (bfin_expand_prologue): Update.
2946         * stmt.c (expand_asm_operands): Update.
2947         * reload1.c (reload): Update.
2948         (init_elim_table): Update.
2950 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
2951         
2952         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
2953         
2954 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
2956         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
2957         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
2958         (mov<mode>): Removed.
2959         (*movv4sf_internal): Likewise.
2960         (*movv2df_internal): Likewise.
2962 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
2964         * config.gcc (crx-*-elf): Remove deprecation.
2966 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
2968         * config/i386/cygming-crtend.c (register_frame_ctor): Register
2969         __gcc_deregister_frame with atexit.
2970         (deregister_frame_dtor): Remove.
2972 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
2973             Nathan Sidwell  <nathan@codesourcery.com>
2975         * config/rs6000/rs6000.opt (mspe): Remove Var property.
2976         (misel): Likewise.
2977         * config/rs6000/rs6000.h (rs6000_spe): Declare.
2978         (rs6000_isel): Likewise.
2979         * config/rs6000/rs6000.c (rs6000_spe): New variable.
2980         (rs6000_isel): New variable.
2981         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
2983 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
2985         PR c++/35758
2986         * c-common.c (handle_vector_size_attribute): Call
2987         lang_hooks.types.reconstruct_complex_type instead of
2988         reconstruct_complex_type.
2989         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
2990         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
2991         * langhooks.h (struct lang_hooks_for_types): Add
2992         reconstruct_complex_type hook.
2993         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
2994         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
2996 2008-04-24  Richard Guenther  <rguenther@suse.de>
2998         * c-common.h (check_builtin_function_arguments): Declare.
2999         * c-common.c (validate_nargs): New function.
3000         (check_builtin_function_arguments): Likewise.
3001         * c-typeck.c (build_function_call): Call
3002         check_builtin_function_arguments.
3003         * builtins.c (fold_builtin_classify): Remove error reporting code.
3004         (fold_builtin_unordered_cmp): Likewise.
3005         (fold_builtin_1): Likewise.
3006         (fold_builtin_n): Likewise.
3008 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
3010         PR tree-optimization/36008
3011         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
3012         the original op1, rather than delta by step.
3014 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
3015             Sebastian Pop  <sebastian.pop@amd.com>
3017         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
3018         eliminate_local_variables_stmt, eliminate_local_variables,
3019         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
3020         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
3021         of code delimited by two edges in the CFG.
3022         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
3023         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
3024         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate 
3025         the case of parallelisation of reductions.
3026         (expr_invariant_in_region_p): New.
3028         * tree-flow.h (gather_blocks_in_sese_region): Declared.
3029         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
3031 2008-04-24  Ira Rosen  <irar@il.ibm.com>
3032             Richard Guenther  <rguenther@suse.de>
3034         PR tree-optimization/36034
3035         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
3036         incapable of dealing with loads with gaps.
3038 2008-04-24  Rafael Espindola  <espindola@google.com>
3040         * tree-flow.h (vrp_evaluate_conditional): Change signature.
3041         * tree-ssa-propagate.c (fold_predicate_in): Update call to
3042         vrp_evaluate_conditional.
3043         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
3044         (vrp_evaluate_conditional): Split the cond argument.
3045         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
3046         (simplify_stmt_for_jump_threading): Update call to
3047         vrp_evaluate_conditional.
3049 2008-04-24  Ira Rosen  <irar@il.ibm.com>
3051         PR tree-optimization/35982
3052         * tree-vect-analyze.c (vect_check_interleaving): Check that the
3053         interleaved data-refs are of the same type.
3055 2008-04-24  Danny Smith  <dannysmith@users.net>
3057         * c-format.c (check_format_info_main): Use strncmp rather than a
3058         magic prefix to handle multichar length specs.
3059         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
3060         Don't prefix "I64" and "I32" with '\0'.
3062 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
3064         PR target/36015
3065         * config/i386/i386.c (init_cumulative_args): Don't pass anything
3066         in registers for -m32 only if stdarg_p (fntype).
3068 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
3070         PR rtl-optimization/36006
3071         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
3072         temp to op0 in order to avoid invalid rtx sharing.
3074 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
3076         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
3077         check TREE_INVARIANT.
3078         * tree-gimple.c (is_gimple_address): New.
3079         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
3080         * tree-gimple.h (is_gimple_address): New.
3081         * tree.h (decl_address_invariant_p): New.
3082         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
3083         (build_string): Likewise.
3084         (decl_address_invariant_p): New, from is_gimple_invariant_address.
3085         (tree_invariant_p_1): Likewise.
3086         (save_expr): Use it.
3087         (tree_invariant_p): New.
3088         (skip_simple_arithmetic): Use it.
3089         (stabilize_reference_1): Use it.
3090         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
3091         simplify.
3092         (build1_stat): Drop code to compute TREE_INVARIANT.
3093         (build2_stat): Drop code to compute TREE_INVARIANT.
3094         (build3_stat): Drop code to compute TREE_INVARIANT.
3095         (build4_stat): Drop code to compute TREE_INVARIANT.
3096         (build5_stat): Drop code to compute TREE_INVARIANT.
3097         (build7_stat): Drop code to compute TREE_INVARIANT.
3098         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
3099         * tree.h (struct tree_base): Remove invariant_flag.
3100         (TREE_INVARIANT): Remove.
3101         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
3102         (fold_builtin_expect): Check TREE_CONSTANT.
3103         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
3104         * c-tree.h (c_expr_to_decl): Drop third parameter.
3105         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
3106         (build_c_cast): Don't set TREE_INVARIANT.
3107         (pop_init_level): Don't set TREE_INVARIANT.
3108         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
3109         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
3110         TREE_CONSTANT.
3111         (gimplify_init_constructor): Don't set TREE_INVARIANT.
3112         (gimplify_addr_expr): Adjust comment.
3113         * tree-mudflap.c (mf_build_string):
3114         * print-tree.c (print_node): Don't print TREE_INVARIANT.
3115         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
3116         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
3117         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
3118         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
3119         * langhooks.h (struct lang_hooks): Drop third parameter from
3120         expr_to_decl.
3122 2008-04-23  Richard Guenther  <rguenther@suse.de>
3124         PR tree-optimization/27799
3125         PR tree-optimization/32921
3126         PR tree-optimization/32624
3127         * tree-ssa-structalias.c (merge_smts_into): Only merge the
3128         SMTs aliases and the tag itself into the solution.
3129         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
3130         merge the points-to solution back into the SMT aliases.
3131         (may_alias_p): Use alias_set_subset_of instead of
3132         aliases_conflict_p.  A pointer which points to
3133         memory with alias set zero may access any variable.
3135 2008-04-23  Richard Guenther  <rguenther@suse.de>
3137         * alias.c (alias_set_subset_of): Correctly handle asking
3138         if zero is a subset of an alias set with zero child.
3139         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
3140         (compute_flow_insensitive_aliasing): Correctly walk all
3141         pointers.  Do not unnecessarily union sets.
3143 2008-04-23  Richard Guenther  <rguenther@suse.de>
3145         PR middle-end/36021
3146         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
3148 2008-04-22  Tomas Bily  <tbily@suse.cz>
3150         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
3151         unreachable case.
3152         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
3153         NON_LVALUE_EXPR.
3154         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
3155         * tree-ssa-structalias.c (get_constraint_for): Likewise.
3156         * tree-inline.c (estimate_num_insns_1): Likewise.
3157         * varasm.c (const_hash_1, compare_constant, copy_constant)
3158         (compute_reloc_for_constant, output_addressed_constants): Likewise.
3159         * emit-rtl.c (component_ref_for_mem_expr)
3160         (set_mem_attributes_minus_bitpos): Likewise.
3161         * expr.c (highest_pow2_factor, expand_expr_real_1, )
3162         (is_aligning_offset): Likewise.
3163         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
3164         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
3165         * dojump.c (do_jump): Likewise.
3166         * builtins.c (get_pointer_alignment, get_memory_rtx)
3167         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
3168         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
3170 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
3172         PR rtl-optimization/36017
3173         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
3174         expanding the library call.
3176 2008-04-22  Ian Lance Taylor  <iant@google.com>
3178         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
3179         than size_in_bytes.
3181 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
3183         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
3184         of LR/CTR moves for Power6.
3186 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
3188         PR middle-end/36003
3189         * passes.c (init_optimization_passes): Remove
3190         pass_fast_rtl_byte_dce.
3191         
3192 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
3194         PR target/29096
3195         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
3196         builtin functions to generate faster code.
3197         (_mm_cvtpu16_ps): Ditto.
3198         (_mm_cvtpi32x2_ps): Ditto.
3200 2008-04-22  Nick Clifton  <nickc@redhat.com>
3202         * common.opt (ftree-loop-distribution): Add Optimization
3203         attribute.
3205         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
3206         (frv_expand_builtin_va_start): Likewise.
3208         * config/arm/arm.c (thumb_find_work_register): Fix location of
3209         argument register count.
3211 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
3213         Support scheduling for ColdFire V1 and V3 microarchitecture.
3214         Improve scheduling of multiplication instructions.
3216         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
3217         (mac): New instruction attribute.
3218         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
3219         (m68k_sched_mac): New variable.
3220         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
3221         Handle cfv1 and cfv3.
3222         (max_insn_size): New static variable.
3223         (struct _sched_ib): New type.
3224         (sched_ib): New static variable.
3225         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
3226         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
3227         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
3228         Update.
3229         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
3230         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
3231         new variables.  Update.
3232         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
3233         Add modeling of cfv3 instruction buffer.  Update.
3234         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
3235         * config/m68k/m68k.h (TUNE_CFV3): New macro.
3236         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
3237         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
3238         a particular reservation applies to.
3239         (type2): Reorganize attribute values.  Rename alu to alu_reg,
3240         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
3241         to mul_l and mul_w.
3242         (cf_ib_*): Simplify description of instruction buffer.
3243         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
3244         (cf_mem): Split into cf_mem1 and cf_mem2.
3245         (cf_v2_move_??): Rename to cfv12_alu_??.
3246         (cf_v2_move_l_??): Rename to cfv12_omove_??.
3247         (cf_v2_mul_??): Remove reservations.
3248         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
3249         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
3250         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
3251         appropriate place.
3252         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
3253         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
3254         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
3255         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
3256         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
3257         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
3258         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
3259         expansions of the above reservations for instructions of sizes
3260         1, 2 and 3 words.
3262 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
3264         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
3266 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
3268         * coverage.c: Include tree-pass.h.
3269         (coverage_counter_alloc): Print da_file_name to the dump file.
3271 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
3273         * sbitmap.c (sbitmap_range_empty_p): New function.
3274         * sbitmap.h (sbitmap_range_empty_p): New function.
3275         * bitmap.h: Now includes obstack.h.
3277 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
3278             Kenneth Zadeck  <zadeck@naturalbridge.com>
3280         * dbgcnt.def (ra_byte_scan): Added.
3281         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
3282         when the last hit happens for a counter.  
3283         * timevar.def (TV_DF_BYTE_LR): New variable.
3284         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
3285         * passes.c (pass_fast_rtl_byte_dce): New pass.
3286         * fwprop.c (update_df): Added mode to call df_ref_create.
3287         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
3288         DF_REF_EXTRACT_OFFSET.
3289         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN, 
3290         DF_BYTE_LR_OUT, df_byte_lr): New macro.
3291         (df_mm): New enum.
3292         (df_ref_extract): Added mode field.
3293         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
3294         DF_REF_EXTRACT_OFFSET.
3295         (DF_REF_EXTRACT_MODE): New macro.
3296         (df_byte_lr_bb_info): New structure.
3297         (df_print_byte_regset, df_compute_accessed_bytes, 
3298         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
3299         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
3300         df_byte_lr_simulate_uses,
3301         df_byte_lr_simulate_artificial_refs_at_top,
3302         df_byte_lr_simulate_artificial_refs_at_end,
3303         df_compute_accessed_bytes): New function.
3304         (df_ref_create): Add parameter.
3305         (df_byte_lr_get_bb_info): New inline function.
3306         * df-scan.c (df_ref_record, df_uses_record,
3307         df_ref_create_structure): Added mode parameter.
3308         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1, 
3309         df_defs_record, df_uses_record, df_get_conditional_uses,
3310         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect, 
3311         df_entry_block_defs_collect, df_exit_block_uses_collect):
3312         Added mode parameter to calls to df_ref_record, df_uses_record,
3313         df_ref_create_structure.
3314         (df_ref_equal_p, df_ref_compare): Added test for modes.
3315         (df_ref_create_structure): Added code to set mode.  Renamed
3316         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
3317         DF_REF_EXTRACT_OFFSET.
3318         * df-core.c (df_print_byte_regset): New function.
3319         * df-byte-scan.c: New file.
3320         * df-problems.c (df_rd_transfer_function): Removed unnecessary
3321         calls to BITMAP_FREE.  
3322         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
3323         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
3324         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info, 
3325         df_byte_lr_check_regs, df_byte_lr_expand_bitmap, 
3326         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
3327         df_byte_lr_local_compute, df_byte_lr_init,
3328         df_byte_lr_confluence_0, df_byte_lr_confluence_n, 
3329         df_byte_lr_transfer_function, df_byte_lr_free, 
3330         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
3331         df_byte_lr_add_problem, df_byte_lr_simulate_defs, 
3332         df_byte_lr_simulate_uses,
3333         df_byte_lr_simulate_artificial_refs_at_top,
3334         df_byte_lr_simulate_artificial_refs_at_end): New function.
3335         * dce.c (byte_dce_process_block): New function.
3336         (dce_process_block): au is now passed in rather than computed
3337         locally.  Changed loops that look at artificial defs to not look
3338         for conditional or partial ones, because there never are any.  
3339         (fast_dce): Now is able to drive byte_dce_process_block or 
3340         dce_process_block depending on the kind of dce being done.
3341         (rest_of_handle_fast_dce): Add parameter to fast_dce.
3342         (rest_of_handle_fast_byte_dce): New function.
3343         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
3344         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
3346 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
3348         PR fortran/35019
3349         * gcc.h: Added fortran options that take arguments to
3350         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
3351         macros.
3353 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
3355         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
3356         scalarization if on the LHS and not a full access.
3358 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3360         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
3362 2008-04-18  Rafael Espindola  <espindola@google.com>
3364         * tree-vrp.c (find_case_label_index): Fix the binary search.
3365         (find_case_label_range): New.
3366         (vrp_visit_switch_stmt): Use find_case_label_range.
3367         (simplify_switch_using_ranges): Use find_case_label_range.
3369 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
3371         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
3372         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
3374 2008-04-18  Tom Tromey  <tromey@redhat.com>
3376         PR libcpp/15500:
3377         * doc/cpp.texi (Implementation-defined behavior): Mention
3378         -finput-charset.
3380 2008-04-18  Ian Lance Taylor  <iant@google.com>
3382         * fold-const.c (pointer_may_wrap_p): New static function.
3383         (fold_comparison): Add another test for pointer overflow.  Use
3384         pointer_may_wrap_p to disable some false positives.
3386 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
3387           
3388         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
3389         (fname_as_string): Match updated cpp_interpret_string prototype.
3390         (fix_string_type): Support char16_t* and char32_t*.
3391         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
3392         derivative) nodes.  Register as builtin if C++0x.
3393         (c_parse_error): Support CPP_CHAR{16,32}.
3394         * c-common.h (RID_CHAR16, RID_CHAR32): New elements. 
3395         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
3396         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
3397         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
3398         CTI_CHAR32_ARRAY_TYPE>: New elements.
3399         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
3400         char32_type_node, signed_char32_type_node, char16_array_type_node,
3401         char32_array_type_node): New defines.
3402         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
3403         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
3404         (lex_string): Support CPP_STRING{16,32}, match updated
3405         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
3406         (lex_charconst): Support CPP_CHAR{16,32}.
3407         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
3408         and CPP_STRING{16,32}.
3410 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
3412         PR bootstrap/35457
3413         * aclocal.m4: Regenerate.
3414         * configure: Regenerate.
3416 2008-04-18  Jan Hubicka  <jh@suse.cz>
3418         * except.c (dw2_size_of_call_site_table,
3419         sjlj_size_of_call_site_table): Use vector API for call_site_record.
3421         * cgraphbuild.c (build_cgraph_edges): Update.
3422         * tree-pass.h: Update comment.
3423         * final.c (leaf_function_p): Update.
3424         (leaf_renumber_regs): Update.
3425         (rest_of_clean_state): Update.
3426         * omp-low.c (expand_omp_parallel): Update.
3427         * ipa-reference.c (analyze_function): Update.
3428         * reorg.c (find_end_label): Update.
3429         (optimize_skip): Update.
3430         (fill_simple_delay_slots): Update.
3431         (fill_simple_delay_slots): Update.
3432         (make_return_insns): Update.
3433         (dbr_schedule): Update.
3434         * gimple-low.c (record_vars_into): Update.
3435         * cfgbuild.c (make_edges): Update.
3436         * function.c (assign_stack_local): Update.
3437         (assign_parm_adjust_stack_rtl): Update.
3438         (locate_and_pad_parm): Update.
3439         (allocate_struct_function): Do not initialize stack_alignment_needed
3440         and preferred_stack_boundary here.
3441         (stack_protect_prologue): Update.
3442         (stack_protect_epilogue): Update.
3443         (expand_function_start): Initialize stack_alignment_needed,
3444         preferred_stack_boundary and max_jumptable_ents.
3445         (expand_function_end): Update.
3446         (free_after_compilation): Do not NULLify epilogue_delay_list.
3447         * function.h (struct rtl_data): Add stack_protect_guard,
3448         stack_alignment_needed,
3449         preferred_stack_boundary, epilogue_delay_list.
3450         (struct function): Remove value_histograms, stack_alignment_needed,
3451         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
3452         last_label_uid,
3453         unexpanded_var_list, stack_protect_guard.
3454         (current_function_epilogue_delay_list): Remove.
3455         * ipa-type-escape.c (analyze_function): Update.
3456         * gimplify.c (pop_gimplify_context): Update comment.
3457         * calls.c (expand_call): Update.
3458         (emit_library_call_value_1): Update.
3459         * except.c (set_nothrow_function_flags): Update.
3460         * cfgexpand.c (get_decl_align_unit): Update.
3461         (create_stack_guard): Update.
3462         (estimated_stack_frame_size): Update.
3463         (expand_used_vars): Update.
3464         (tree_expand_cfg): Free histogram earliers, init expansion variables.
3465         * explow.c (allocate_dynamic_stack_space): Update.
3466         * tree-ssa-live.c (remove_unused_locals): Update.
3467         * varasm.c (mark_constant_pool): Update.
3468         * tree-inline.c (remap_decls): Update.
3469         (initialize_cfun): Update.
3470         (declare_return_variable): Update.
3471         (inline_forbidden_p): Update.
3472         (expand_call_inline): Update.
3473         (declare_inline_vars): Update.
3474         (tree_function_versioning): Update.
3475         * tree-flow.h (value_histograms): New.
3476         (VALUE_HISTOGRAMS): New macro.
3477         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
3478         last_label_uid.
3479         * tree-cfg.c (set_bb_for_stmt): Update.
3480         (replace_by_duplicate_decl): Update.
3481         (move_block_to_fn): Update.
3482         (new_label_mapper): Update.
3483         (dump_function_to_file): Update.
3484         * ipa-struct-reorg.c (build_data_structure): Update.
3485         * cfgrtl.c (print_rtl_with_bb): Update.
3486         * reload1.c (reload): Update.
3487         (reload): Update.
3488         * config/i386/i386.c (setup_incoming_varargs_64,
3489         ix86_compute_frame_layout): Update.
3490         * config/arc/arc.c (arc_output_function_epilogue): Update.
3492 2008-04-18  Marius Strobl <marius@FreeBSD.org>
3494         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
3495         for FreeBSD as well.
3496         * gthr-posix95.h: Likewise.
3498 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
3500         PR rtl-optimization/35838
3501         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
3502         out the byte offset of the first subreg.
3504 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
3506         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
3507         to split_ti instead of three separate calls with single member arrays.
3508         (subti3 splitter): Ditto.
3509         (adddi3 splitter): Ditto with split_di.
3510         (subdi3 splitter): Ditto.
3511         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
3512         two separate calls with single member arrays.  Swap match_dup
3513         operands 1 and 2 to better fit into the array.
3514         (negdi2 splitter): Ditto with split_di.
3515         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
3516         two separate calls with single member arrays.  Swap match_dup operands
3517         6 and 7 to better fit into the array.
3519 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
3521         * config/i386/i386.c (sse_builtin_type): New.
3522         (bdesc_sse_args): Likewise.
3523         (bdesc_sse_3arg): Removed.
3524         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
3525         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
3526         IX86_BUILTIN_ROUNDPS.
3527         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
3528         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
3529         IX86_BUILTIN_ROUNDPS.
3530         (ix86_expand_sse_4_operands_builtin): Removed.
3531         (ix86_expand_sse_operands_builtin): New.
3532         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
3533         and CODE_FOR_sse4_1_roundps.
3534         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
3535         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
3537 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
3539         PR target/35907
3540         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
3541         regs before frame pop when needed.  If use_backchain_to_restore_sp
3542         then load backchain into a temp reg to restore vr and vrsave.  Add
3543         code to restore vr after frame pop if possible.
3545 2008-04-17  Richard Guenther  <rguenther@suse.de>
3547         * tree-vn.c (expressions_equal_p): Do not check type
3548         equality or compatibility before calling operand_equal_p.
3549         * fold-const.c (operand_equal_p): Check equivalence of
3550         integer constants before bailing out due to signedness or
3551         precision differences.
3552         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
3553         spurious differences in type qualification.  Ignore types
3554         for COMPONENT_REFs at all.
3556 2008-04-17  Christian Bruel  <christian.bruel@st.com>
3558         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
3559         msw_skip comparison.
3560         
3561 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
3563         PR c/35739
3564         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
3565         reg type.
3567         PR tree-optimization/35899
3568         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
3569         rather than TREE_OPERAND.
3571 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
3573         PR target/35944
3574         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
3575         temporary registers.  Change operand predicate to general_operand.
3576         (remainderxf3): Ditto.
3578 2008-04-16  Richard Guenther  <rguenther@suse.de>
3580         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
3581         * tree-affine.c (aff_combination_expand): Look through some
3582         conversions.
3584 2008-04-15  Doug Kwan  <dougkwan@google.com>
3586         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
3587         for hex printing.
3588         * tree-pretty-print.c (dump_generic_node): Ditto.
3589         * final.c (output_addr_const): Ditto.
3590         * dwarf2out.c (output_cfi): Ditto.
3591         * c-pretty-print.c (pp_c_integer_constant): Ditto.
3592         * print-rtl.c (print_rtx): Ditto.
3593         * print-tree.c (print_node_brief, print_node): Ditto.
3594         * c-common.c (match_case_to_enum_1): Ditto.
3595         * sched-vis.c (print_value): Ditto.
3596         * config/i386/i386.c (print_operand): Cast to long unsigned int
3597         for hex printing.
3599 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
3600         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
3601         MS Windows VirtualProtect function.
3603 2008-04-15  Jan Hubicka  <jh@suse.cz>
3605         * gengtype.c (write_root): Param_is argument is OK.
3606         * expr.c (expand_expr_real_1): Update call of get_exception_*.
3607         * function.h: Include varray.h
3608         (rtl_eh): New stucture based on except.c one.
3609         (call_site_record): New forward declaration and vector type.
3610         * calls.c (emit_call_1): Do not call
3611         note_current_region_may_contain_throw.
3612         * except.c (eh_status): Remove cur_region, try_region since they are
3613         unused.
3614         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
3615         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
3616         sjlj_fc, sjlj_exit_after to rth_eh in function.h. 
3617         Remove call_site_data_used, call_site_data_size.
3618         Turn call_site_record into vector in function.h.
3619         (note_current_region_may_contain_throw): Remove.
3620         (get_exception_pointer, get_exception_filter): Do not take struct
3621         function argument; update.
3622         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
3623         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
3624         build_post_landing_pads, dw2_build_landing_pads,
3625         sjlj_assign_call_site_values, sjlj_mark_call_sites,
3626         sjlj_emit_function_enter, sjlj_emit_function_enter, 
3627         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
3628         sjlj_build_landing_pads, finish_eh_generation,
3629         remove_exception_handler_label, remove_eh_handler,
3630         maybe_remove_eh_handler, add_reachable_handler,
3631         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
3632         add_action_record, collect_one_action_chain, add_call_site,
3633         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
3634         sjlj_output_call_site_table, output_function_exception_table,
3635         * except.h (note_current_region_may_contain_throw): Remove
3636         (get_exception_pointer, get_exception_filter): Do not take struct
3637         function argument.
3638         * Makefile.in (GTFILES): Put varargs before struct function.
3640 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
3642         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
3643         punt for STRING_CST.
3644         (get_constraint_for): Deal with STRING_CST here instead.
3646 2008-04-15  Richard Guenther  <rguenther@suse.de>
3648         * tree-ssa-propagate.c (substitute_and_fold): Substitute
3649         statements in a basic-block with a backward walk.  Do not
3650         substitute into dead statements but instead remove those.
3652 2008-04-15  Richard Guenther  <rguenther@suse.de>
3654         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
3655         to zero, thus disable creation of SFTs.
3657 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
3659         * tree-predcom.c (suitable_reference_p): Return false if the
3660         reference can throw.
3662 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
3664         PR c/35751
3665         * c-decl.c (finish_decl): If extern or static var has variable
3666         size, set TREE_TYPE (decl) to error_mark_node.
3668 2008-04-15  Rafael Espindola  <espindola@google.com>
3670         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
3671         variable arg1.
3673 2008-04-15  Richard Guenther  <rguenther@suse.de>
3675         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
3676         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
3677         (visit_reference_op_load): Do walk vuse-vdef chains on
3678         vn_reference_lookup.
3679         (visit_reference_op_store): But do not here.
3680         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
3681         vn_reference_lookup.
3682         (vn_lookup_with_vuses): But do so here.
3684 2008-04-14  Ian Lance Taylor  <iant@google.com>
3686         * fold-const.c (fold_overflow_warning): Remove assertion.
3688 2008-04-15  Ben Elliston  <bje@au.ibm.com>
3690         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
3691         temp1 local variables.
3693 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
3695         PR target/35661
3696         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
3697         ".text.unlikely" section as executable.
3699 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
3701         * config/ia64/ia64.c (rtx_needs_barrier): Handle
3702         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
3703         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
3704         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
3705         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
3706         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
3707         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
3709 2008-04-14  Ian Lance Taylor  <iant@google.com>
3711         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
3712         * fold-const.c (fold_comparison): If appropriate, test
3713         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
3714         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
3715         reassociating a pointer type.
3716         * doc/invoke.texi (Optimize Options): Document that
3717         -fstrict-overflow applies to pointer wraparound.
3719 2008-04-13  Jan Hubicka  <jh@suse.cz>
3721         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
3723 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
3725         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
3726         we are going to "save the world".
3728 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
3730         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
3731         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
3732         operand 0 constraint, not "=".
3734 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
3736         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
3738 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
3740         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
3741         of size of positions_needed * CHAR_BIT.
3743 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
3745         PR middle-end/35897
3746         * dse.c (store_info): Change positions_needed to unsigned
3747         HOST_WIDE_INT.
3748         (lowpart_bitmask): New.
3749         (record_store): Cast to unsigned HOST_WIDE_INT for
3750         positions_needed.  Assert width <= size of positions_needed *
3751         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
3752         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
3753         lowpart_bitmask to set mask.
3755 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
3757         * config/bfin/constraints.md: New file.
3758         * config/bfin/bfin.md: Include it.
3759         (adddi3): Use satisfies_constraint functions instead of the old macros.
3760         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
3761         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
3762         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
3763         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
3764         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
3765         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
3766         EXTRA_CONSTRAINT): Delete.
3767         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
3768         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
3769         of the old macros.
3770         * config/bfin/bfin.c: Include "tm-constrs.h".
3771         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
3772         Use satisfies_constraint functions instead of the old macros.
3773         * doc/md.texi (Blackfin Constraints): Update file name reference.
3775 2008-04-11  Richard Guenther  <rguenther@suse.de>
3777         PR tree-optimization/35869
3778         * tree-vrp.c (execute_vrp): Move switch statement update after
3779         jump threading.  Schedule another cfg cleanup run.
3781 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
3783         PR c/35744
3784         * attribs.c (decl_attributes): Return early on errorneous node.
3786 2008-04-10  Oleg Ryjkov  <olegr@google.com>
3788         * tree.h (struct tree_base): Added a new flag default_def_flag.
3789         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
3791 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3793         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
3795 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3797         PR target/35768
3798         * pa.md: Define mode iterator P.  Define mode attribute dwc.
3799         (dcacheflush): Update pattern to use iterator P and attribute dwc.
3800         (icacheflush): Likewise.
3801         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
3802         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
3804 2008-04-11  Ben Elliston  <bje@au.ibm.com>
3806         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
3808 2008-04-10  Rafael Espindola  <espindola@google.com>
3810         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
3811         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
3812         (extract_range_from_expr): The same.
3814 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
3816         * config/mips/mips.md (GPR2): New mode iterator.
3817         (seq): Add comment.
3818         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
3819         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
3820         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
3821         Rewrite these to take two modes, the mode of comparison and the
3822         mode of the destination.
3823         * config/mips/mips.c (mips_expand_scc): Instead of having
3824         paradoxical subreg as destination, expand "narrowing" scc if mode
3825         of comparison is SI and target is requested in DI mode.
3826         (mips_emit_int_order_test): Update comment.  Make mode of
3827         comparison match CMP0 rather than TARGET.  When creating inverse
3828         target use mode of TARGET.
3830 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
3832         * gcov-dump.c (tag_summary): Only print summaries for the first
3833         GCOV_COUNTERS_SUMMABLE counters.
3835 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
3837         * config/i386/i386.md (absneg): New code iterator.
3838         (absnegprefix): New code attribute.
3839         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
3840         patterns using absneg code iterator.
3841         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
3842         using absneg code iterator.
3843         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
3844         *neg<mode>2 patterns using absneg code iterator.
3845         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
3846         *negextendsfdf2 patterns using absneg code iterator.
3847         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
3848         *negextendsfxf2 patterns using absneg code iterator.
3849         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
3850         *negextendsfdf2 patterns using absneg code iterator.
3851         * config/i386/sse.md (<code><mode>2): Macroize expander from
3852         abs<mode>2 and neg<mode>2 patterns using absneg code iterator. 
3854 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
3856         * config/s390/s390.h: Remove the remains of the recent search
3857         & replace action of current_function_outgoing_args_size.
3859 2008-04-10  Ira Rosen  <irar@il.ibm.com>
3861         PR tree-optimization/35821
3862         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
3863         NEW_STMT_LIST is not NULL.
3865 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
3867         PR libstdc++/35597
3868         * toplev.c (process_options): Remove -ffunction-sections debugging
3869         warning.
3871 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
3873         PR middle-end/PR28690
3874         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
3875         than gen_rtx_fmt_ee to perform more canonicalizations.
3877 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3879         PR driver/35665
3880         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
3882 2008-04-09  Richard Guenther  <rguenther@suse.de>
3884         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
3885         (dump_function_to_file): Dump function arguments with types.
3887 2008-04-08  Richard Guenther  <rguenther@suse.de>
3889         * fold-const.c (fold_widened_comparison): Do not allow
3890         sign-changes that change the result.
3892 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
3894         PR target/35839
3895         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
3896         kinds of indirect references.
3898 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
3900         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
3901         GNU Fortran language string.
3903 2008-04-08  Rafael Espindola  <espindola@google.com>
3905         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
3906         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
3907         * tree.h (tree_call_nonnegative_warnv_p): New.
3909 2008-04-08  Jan Hubicka  <jh@suse.cz>
3911         * function.c (free_after_compilation): Clear out regno_reg_rtx
3912         pointer.
3914 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
3916         Revert
3917         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
3919         PR middle-end/PR28690
3920         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
3921         same precedence as REG_POINTER and MEM_POINTER operands.
3923 2008-04-08  Richard Guenther  <rguenther@suse.de>
3925         PR middle-end/35834
3926         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
3927         for adding index to base.
3929 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
3931         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
3932         (MINGW_ENABLE_EXECUTE_STACK): New.
3933         (IN_LIBGCC2): For libgcc include windows.h file for
3934         function declarations.
3936 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
3938         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
3939         and tem2 if tem1 is not a REG or MULT.
3941 2008-04-08  Jan Hubicka  <jh@suse.cz>
3943         * function.h (incomming_args): Break out of struct function.
3944         (function_subsections): Break out of struct function.
3945         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
3946         return_rtx and hard_reg_initial_vals from struct function.
3947         Kill inl_max_label_num.
3948         (current_function_pops_args, current_function_args_info,
3949         current_function_args_size, current_function_args_size,
3950         current_function_pretend_args_size,
3951         current_function_outgoing_args_size,
3952         current_function_internal_arg_pointer, current_function_return_rtx):
3953         Kill compatibility accestor macros.
3954         * builtins.c (expand_builtin_apply_args_1): Update.
3955         (expand_builtin_next_arg): Update.
3956         * df-scan.c (df_get_call_refs): Update.
3957         * dbxout.c (dbxout_function_end): Update.
3958         * dwarf2out.c (dwarf2out_switch_text_section): Update.
3959         (output_line_info): Update.
3960         (secname_for_decl): Update.
3961         (dwarf2out_var_location): Update.
3962         * function.c (free_after_compilation): Update.
3963         (assign_parm_find_stack_rtl): Update.
3964         (assign_parms): Update.
3965         (expand_dummy_function_end): Update.
3966         (expand_function_end): Update.
3967         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
3968         (expand_call): Update.
3969         (emit_library_call_value_1): Update.
3970         (store_one_arg): Update.
3971         * varasm.c (initialize_cold_section_name): Update.
3972         (unlikely_text_section): Update.
3973         (unlikely_text_section_p): Update.
3974         (assemble_start_function): Update.
3975         (assemble_end_function): Update.
3976         (default_section_type_flags): Update.
3977         (switch_to_section): Update.
3978         * integrate.c (set_decl_abstract_flags): Update.
3979         (get_hard_reg_initial_val): Update.
3980         (has_hard_reg_initial_val): Update.
3981         (allocate_initial_values): Update.
3982         * resource.c (init_resource_info): Update.
3983         * config/alpha/alpha.c (NUM_ARGS): Update.
3984         (direct_return): Update.
3985         (alpha_va_start): Update.
3986         (alpha_sa_size): Update.
3987         (alpha_initial_elimination_offset): Update.
3988         (alpha_expand_prologue): Update.
3989         (alpha_start_function): Update.
3990         (alpha_expand_epilogue): Update.
3991         (unicosmk_initial_elimination_offset):
3992         * config/alpha/alpha.md (call expander): Update.
3993         * config/s390/s390.c (s390_register_info): Update.
3994         (s390_register_info): Update.
3995         (s390_frame_info): Update.
3996         (s390_initial_elimination_offset): Update.
3997         (s390_build_builtin_va_list): Update.
3998         (s390_va_start): Update.
3999         * config/spu/spu.c (direct_return): Update.
4000         (spu_expand_prologue): Update.
4001         (spu_initial_elimination_offset): Update.
4002         (spu_build_builtin_va_list): Update.
4003         (spu_va_start): Update.
4004         * config/sparc/sparc.c (sparc_init_modes): Update.
4005         (sparc_compute_frame_size): Update.
4006         (function_value): Update.
4007         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
4008         * config/i386/i386.md (return expander): Update.
4009         * config/i386/i386.c (ix86_va_start): Update.
4010         (ix86_can_use_return_insn_p): Update.
4011         (ix86_compute_frame_layout): Update.
4012         (ix86_expand_epilogue): Update.
4013         * config/sh/sh.c (output_stack_adjust): Update.
4014         (calc_live_regs): Update.
4015         (sh_expand_prologue): Update.
4016         (sh_builtin_saveregs): Update.
4017         (sh_va_start): Update.
4018         (initial_elimination_offset): Update.
4019         (sh_allocate_initial_value): Update.
4020         (sh_function_ok_for_sibcall): Update.
4021         (sh_get_pr_initial_val): Update.
4022         * config/sh/sh.md (return expander): Update.
4023         * config/avr/avr.c (frame_pointer_required_p): UPdate.
4024         * config/crx/crx.c (crx_compute_frame): UPdate.
4025         (crx_initial_elimination_offset): UPdate.
4026         * config/xtensa/xtensa.c (compute_frame_size): Update
4027         (xtensa_builtin_saveregs): Update.
4028         (xtensa_va_start): Update.
4029         (order_regs_for_local_alloc): Update.
4030         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
4031         (xstormy16_expand_builtin_va_start): Update.
4032         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
4033         * config/m68hc11/m68hc11.md (return expanders): Update.
4034         * config/m68hc11/m68hc11.c (expand_prologue): Update.
4035         (expand_epilogue): Update.
4036         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
4037         (cris_simple_epilogue): Update.
4038         (cris_expand_prologue): Update.
4039         (cris_expand_epilogue): Update.
4040         * config/iq2000/iq2000.c (iq2000_va_start): Update.
4041         (compute_frame_size): Update.
4042         * config/mt/mt.c (mt_compute_frame_size): Update.
4043         * config/mn10300/mn10300.c (expand_prologue): Update.
4044         (expand_epilogue): Update.
4045         (initial_offset): Update.
4046         (mn10300_builtin_saveregs):
4047         * config/mn10300/mn10300.md (return expander): Update.
4048         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
4049         (ia64_initial_elimination_offset): Update.
4050         (ia64_initial_elimination_offset): Update.
4051         (ia64_expand_prologue): Update.
4052         * config/m68k/m68k.md (return expander): Update.
4053         * config/rs6000/rs6000.c (rs6000_va_start): Update.
4054         (rs6000_stack_info): Update.
4055         * config/mcore/mcore.c (layout_mcore_frame): Update.
4056         (mcore_expand_prolog): Update.
4057         * config/arc/arc.c (arc_compute_frame_size): Update.
4058         * config/score/score3.c (score3_compute_frame_size): Update.
4059         * config/score/score7.c (score7_compute_frame_size): Update.
4060         * config/arm/arm.c (use_return_insn): Update.
4061         (thumb_find_work_register): Update.
4062         (arm_compute_save_reg_mask): Update.
4063         (arm_output_function_prologue): Update.
4064         (arm_output_epilogue): Update.
4065         (arm_size_return_regs): Update.
4066         (arm_get_frame_offsets): Update.
4067         (arm_expand_prologue): Update.
4068         (thumb_exit): Update.
4069         (thumb_unexpanded_epilogue): Update.
4070         (thumb1_output_function_prologue): Update.
4071         * config/pa/pa.md (return expander): Update.
4072         * config/pa/pa.c (compute_frame_size): Update.
4073         (hppa_builtin_saveregs): Update.
4074         * config/mips/mips.c (mips_va_start): Update.
4075         (mips16_build_function_stub): Update.
4076         (mips_compute_frame_info): Update.
4077         (mips_restore_gp): Update.
4078         (mips_output_function_prologue): Update.
4079         (mips_expand_prologue): Update.
4080         * config/v850/v850.c (compute_frame_size): Update.
4081         (expand_prologue): * config/mmix/mmix.c (along): update.
4082         (mmix_initial_elimination_offset): update.
4083         (mmix_reorg): update.
4084         (mmix_use_simple_return): update.
4085         (mmix_expand_prologue): update.
4086         (mmix_expand_epilogue): Update.
4087         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
4088         (emit_link_insn): Update.
4090 2008-04-08  Anatoly Sokolov <aesok@post.ru>
4092         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define 
4093         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL 
4094         instructions.
4095         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for 
4096         atmega103 device.
4098 2008-04-07  Jan Hubicka  <jh@suse.cz>
4100         * function.h (rtl): Rename to x_rtl.
4101         (crtl): New define.
4102         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
4103         frame_offset, stack_check_probe_note, arg_pointer_save_area,
4104         used_temp_slots avail_temp_slots, temp_slot_level,
4105         nonlocal_goto_handler_labels): Update accesstors.
4106         (rtl): New global variable.
4107         (struct function): Move some fileds to rtl_data.
4108         (get_arg_pointer_save_area): Update prototype.
4109         * builtins.c (expand_builtin_setjmp_receiver): Update call of
4110         get_arg_pointer_save_area.
4111         * expr.c (init_expr): Update
4112         * function.c (get_frame_size): Update
4113         (assign_stack_local): Update
4114         (expand_function_end): Update.
4115         (get_art_pointer_save_area): Update
4116         * function.h 
4117         * emit-rtl.c (rtl): Declare.
4118         (regno_reg_rtx): Declare.
4119         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
4120         Update.
4121         (gen_reg_rtx): Update.
4122         * varasm.c (n_deferred_constatns): Update accestor.
4123         (init_varasm_status): Do not allocate varasm_status.
4124         (force_const_mem, get_pool_size, output_constant_pool): Update.
4125         * stmt.c (force_label_rtx): Do not use x_ prefixes.
4126         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
4127         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
4128         * sparc/sparc.h (INIT_EXPANDERS): Update.
4129         * ia64/ia64.h (INIT_EXPANDERS): Update.
4131 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
4133         * reload.c (push_secondary_reload): Add missing break to for loop.
4135 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
4137         PR middle-end/PR28690
4138         * rtlanal.c: Update copyright years.
4139         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
4140         as REG_POINTER and MEM_POINTER operands.
4141         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
4142         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
4143         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
4144         * gcse.c: Update copyright years.
4145         (pre_delete): Call gen_reg_rtx_and_attrs.
4146         (hoist_code): Likewise.
4147         (build_store_vectors): Likewise.
4148         (delete_store): Likewise.
4149         * loop-invariant.c (move_invariant_reg): Likewise.
4150         Update copyright years.
4152 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
4154         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
4155         control string instead of quoted.
4157 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
4159         * doc/rtl.texi: Rewrite of subreg section.
4161 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
4163         PR/35842
4164         * config/i386/i386.c (legitimize_pic_address): Add treating
4165         of dllimport SYM_REF's.
4166         (legitimize_dllimport_symbol): Add prototype.
4168 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
4170         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
4171         reference in constructor with non self-referential type.
4173 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
4175         Removal of Return with Depressed Stack Pointer support
4176         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
4177         (ECF_SP_DEPRESSED): Likewise.
4178         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
4179         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
4180         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
4181         (expand_call): Do not test ECF_SP_DEPRESSED.
4182         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
4183         * function.c (keep_stack_depressed): Delete.
4184         (handle_epilogue_set): Likewise.
4185         (update_epilogue_consts): Likewise.
4186         (emit_equiv_load): Likewise.
4187         (thread_prologue_and_epilogue_insns): Remove support for Return with
4188         Depressed Stack Pointer.
4189         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
4191 2008-04-06  Richard Guenther  <rguenther@suse.de>
4193         PR tree-optimization/35400
4194         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
4195         information from SSA_NAMEs.
4197 2008-04-06  Anatoly Sokolov <aesok@post.ru>
4199         * config/avr/avr.h (avr_mega_p): Remove declaration.
4200         (AVR_MEGA): Remove macro.
4201         * config/avr/avr.c (avr_mega_p): Remove variable.
4202         (avr_override_options): Remove inicializion of avr_mega_p.
4203         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
4204         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
4205         (avr_jump_mode): (Ditto.).
4206         (avr_output_progmem_section_asm_op): (Ditto.).
4207         (avr_asm_init_sections): (Ditto.).
4208         (avr_asm_init_sections): (Ditto.).
4209         (avr_rtx_costs): (Ditto.).
4210         * config/avr/avr.md: (Ditto.).
4211         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of 
4212         '__AVR_MEGA__'.
4214 2008-04-06  Richard Guenther  <rguenther@suse.de>
4216         PR tree-optimization/35842
4217         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
4218         is_gimple_invariant_address.
4220 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
4222         * gcc.c (default_compilers): Sync Fortran extensions list with
4223         that in fortran/lang-specs.h.
4224         * doc/invoke.texi: Likewise.
4225         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
4226         * dwarf2out.c (gen_compile_unit_die): Likewise.
4228 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
4230         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
4232 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
4234         PR target/12329
4235         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
4236         attribute is used for nested functions.
4238 2008-04-05  Jan Hubicka  <jh@suse.cz>
4240         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
4242         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
4243         letter argument.
4244         (dump_files): Update.
4245         (enable_rtl_dump_file): Do not accept letter argument.
4246         * tree-pass.h (dump_file_info): Remove letter argument.
4247         * toplev.c (decode_d_option): Update -da handling.
4248         * toplev.h (enable_rtl_dump_file): Update prototype.
4249         * passes.c (register_one_dump_file): Do not accept IPA argument; work
4250         it out based on pass type.
4251         (register_dump_files_1): Likewise.
4252         (init_optimization_passes): Update register_one_dump_file calls.
4253         (execute_one_pass): Sanity check that IPA passes are called at IPA
4254         level and RTL passes at RTL level.
4255         (execute_pass_list): IPA pass can not be after or subpass of
4256         GIMPLE/RTL pass.
4257         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
4258         disallov RTL subpasses of IPA subpasses.
4260 2008-04-05  Ben Elliston  <bje@au.ibm.com>
4262         * tree-cfg.c (need_fake_edge_p): Return false for calls to
4263         builtins that return exactly once and do not throw. Cache call to
4264         call_expr_flags.
4266 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
4268         PR rtl-optimization/34916
4269         PR middle-end/35519
4270         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
4271         between instruction pairs.
4273 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
4275         * doc/invoke.texi: Document -mbitops for SH.
4276         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
4277         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
4278         * config/sh/sh.c (print_operand): Add %t operand code.
4279         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
4280         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
4281         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
4282         (extendqihi2): Likewise.
4283         (movqi_i): Likewise.
4284         (insv): Use bset, bclr and bst instructions for SH2A if possible.
4285         (extv): Use bld instruction for SH2A if possible.
4286         (extzv): Likewise.
4287         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
4288         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
4289         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
4290         (bset.b, bclr.b): Define peepholes.
4291         * config/sh/sh.opt (mbitops): New option.
4293 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
4295         PR target/35620
4296         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
4297         and view convert expression.
4299 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
4301         PR target/35364
4302         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
4304 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
4306         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
4308         * config/i386/cpuid.h (bit_AES): New.
4309         (bit_PCLMUL): Likewise.
4311         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
4312         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
4313         SSE2 if AES or PCLMUL is enabled.
4314         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
4315         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
4316         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
4317         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
4318         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
4319         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
4320         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
4321         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
4322         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
4323         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
4324         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
4325         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
4326         __builtin_ia32_aeskeygenassist128 and
4327         __builtin_ia32_pclmulqdq128.
4328         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
4329         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
4330         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
4332         * config/i386/i386.h (TARGET_AES): New.
4333         (TARGET_PCLMUL): Likewise.
4334         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
4336         * config/i386/i386.md (UNSPEC_AESENC): New.
4337         (UNSPEC_AESENCLAST): Likewise.
4338         (UNSPEC_AESDEC): Likewise.
4339         (UNSPEC_AESDECLAST): Likewise.
4340         (UNSPEC_AESIMC): Likewise.
4341         (UNSPEC_AESKEYGENASSIST): Likewise.
4342         (UNSPEC_PCLMUL): Likewise.
4344         * config/i386/i386.opt (maes): New.
4345         (mpclmul): Likewise.
4347         * config/i386/sse.md (aesenc): New pattern.
4348         (aesenclast): Likewise.
4349         (aesdec): Likewise.
4350         (aesdeclast): Likewise.
4351         (aesimc): Likewise.
4352         (aeskeygenassist): Likewise.
4353         (pclmulqdq): Likewise.
4355         * config/i386/wmmintrin.h: New.
4357         * doc/extend.texi: Document AES and PCLMUL built-in function.
4359         * doc/invoke.texi: Document -maes and -mpclmul.
4361 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
4363         * function.c (free_after_parsing): Replace with
4364         cxx_push_function_context from C++ front-end.
4365         (allocate_struct_function): Don't call langhook.
4366         * langhooks.h (struct lang_hooks_for_functions): Delete.
4367         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
4368         member "function".
4369         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
4370         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
4371         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
4372         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
4373         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
4374         remove LANG_HOOKS_FUNCTION_INITIALIZER.
4375         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
4377         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
4378         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
4379         
4380 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
4382         PR c/35440
4383         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
4384         for all types.
4386 2008-04-04  Richard Guenther  <rguenther@suse.de>
4388         PR middle-end/35823
4389         * fold-const.c (optimize_minmax_comparison): Use the correct
4390         type for the constant in the simplified comparison.
4392 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
4394         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
4395         Pass L2 size as "--param l2-cache-size" to the compiler.
4396         (decode_l2_cache): New function to decode L2 cache parameters using
4397         0x8000006 extended cpuid function.
4398         (detect_caches_amd): Determine parameters of L2 cache using
4399         decode_l2_caches function.
4400         (decode_caches_intel): Decode L2 cache parameters.
4401         (detect_caches_intel): Determine L2 cache parameters using
4402         decode_caches_intel and decode_l2_caches functions.
4404 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
4406         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
4407         secondary input reload for subword loads from the constant pool.
4409 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
4411         PR target/35713
4412         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
4413           constants of the appropriate size for runtime calculations.
4415         PR c/35712
4416         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
4417           decimal-float literal constant zero.
4419 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
4421         PR c/35738
4422         * c-parser.c (c_parser_omp_atomic): Call
4423         default_function_array_conversion on the RHS.
4425         PR middle-end/35818
4426         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
4427         call is_variable_sized if decl has incomplete type.
4429 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
4431         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
4433 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
4435         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
4436         iterators.
4437         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
4438         (sgt<u>): Merge sgt and sgtu into new expander.
4439         (sgt, sgtu): Remove expanders.
4440         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
4441         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
4442         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
4443         *sgtu_<mode>_mips16 into new pattern.
4444         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
4445         (sge<u>): Merge sge and sgeu into new expander.
4446         (sge, sgeu): Remove expanders.
4447         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
4448         new pattern.
4449         (*sge_<mode>, second *sge_<mode>): Remove patterns.
4450         (slt<u>): Merge slt and sltu into new expander.
4451         (slt, sltu): Remove expanders.
4452         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
4453         (*slt_<mode>, *sltu_<mode>): Remove patterns.
4454         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
4455         *sltu_<mode>_mips16 into new pattern.
4456         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
4457         (sle<u>): Merge sle and sleu into new expander.
4458         (sle, sleu): Remove expanders.
4459         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
4460         (*sle_<mode>, *sleu_<mode>): Remove patterns.
4461         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
4462         *sleu_<mode>_mips16 into new pattern.
4463         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
4465 2008-04-03  Jan Hubicka  <jh@suse.cz>
4467         PR tree-optimization/35795
4468         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
4469         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
4470         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
4471         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
4472         * score/score3.c (score3_output_mi_thunk): Likewise.
4473         * score/score7.c (score7_output_mi_thunk): Likewise.
4474         * mips/mips.c (mips_output_mi_thunk): Likewise.
4476 2008-04-03  Richard Guenther  <rguenther@suse.de>
4478         * tree-vrp.c (extract_range_from_unary_expr): Handle all
4479         conversions.  Simplify code.
4481 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4483         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
4485 2008-04-03  Tom Tromey  <tromey@redhat.com>
4486             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4488         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
4489         * config/bfin/t-bfin-linux (generated_files): Add
4490         linux-sysroot-suffix.h.
4491         * doc/install.texi (Prerequisites): Require make 3.80.
4492         * doc/sourcebuild.texi (Front End Directory): Document new
4493         variable.
4494         * Makefile.in (generated_files): New variable.
4495         (ALL_HOST_OBJS): New variable.
4496         ($(ALL_HOST_OBJS)): New target.
4498 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
4500         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
4501         (remap_block): Call id->transform_lang_insert_block instead
4502         of langhook.
4503         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
4504         Set id.transform_lang_insert_block to NULL.
4505         (clone_body): Move to cp/optimize.c
4506         * tree-inline.h (struct copy_body_data): Change
4507         transform_lang_insert_block to function pointer.
4508         (copy_generic_body, copy_decl_no_change): Export.
4509         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
4510         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
4511         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
4513         * c-tree.h (insert_block): Kill.
4514         * c-decl.c (insert_block): Kill.
4516 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
4518         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
4519         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
4520         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
4521         argument.
4522         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
4523         argument, call {push,pop}_function_context from here.
4524         * c-parser.c: Use c_{push,pop}_function_context.
4526         * function.c (push_function_context_to): Move meat ...
4527         (push_function_context): ... here.  Simplify.
4528         * function.c (pop_function_context_from): Move meat ...
4529         (pop_function_context): ... here.  Simplify.
4530         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
4531         leave_nested).
4532         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
4533         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
4534         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
4535         * tree.h (push_function_context_to, pop_function_context_from): Remove.
4537 2008-04-03  Ben Elliston  <bje@au.ibm.com>
4539         * expmed.c (extract_force_align_mem_bit_field): Remove.
4541 2008-04-03  Richard Guenther  <rguenther@suse.de>
4543         PR middle-end/35800
4544         * expr.h (try_casesi): Adjust prototype.
4545         * expr.c (try_casesi): Take fallback label as extra parameter.
4546         Use that for gen_casesi if default_label is NULL.
4547         * stmt.c (expand_case): Pass fallback label to try_casesi,
4548         make sure to fill gaps with a fallback label if default_label
4549         is not present.
4551 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
4553         PR target/35801
4554         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
4556 2008-04-03  Ben Elliston  <bje@au.ibm.com>
4558         * expmed.c (extract_split_bit_field): Remove if (0) code.
4559         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
4560         (do_ds_constraint): Likewise.
4562 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
4564         * doc/cppopts.texi (-dU): Document.
4565         * c-common.h (flag_dump_macros): Update comment.
4566         * c-opts.c (handle_OPT_d): Handle -dU.
4567         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
4568         dump_queued_macros, cb_used_define, cb_used_undef): New.
4569         (init_pp_output): Handle -dU.
4570         (cb_line_change): Call dump_queued_macros.
4571         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
4573 2008-04-02  Anatoly Sokolov <aesok@post.ru>
4575         * config/avr/predicates.md (io_address_operand): New predicate. 
4576         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
4577         * config/avr/avr.c (avr_io_address_p): Remove function.
4578         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
4579         'avr_io_address_p' function.
4580         (out_movhi_r_mr): (Ditto.).
4581         (out_movqi_mr_r): (Ditto.).
4582         (out_movhi_mr_r): (Ditto.).
4583         (avr_address_cost): (Ditto.).
4585 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
4587         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
4588         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
4589         in 32bit mode when XMM registers are available to avoid store
4590         forwarding stalls.
4591         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
4592         corresponding post-reload splitters.
4594 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
4596         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
4597         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
4598         __builtin_ia32_roundss.
4599         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
4600         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
4601         __builtin_ia32_roundss.
4602         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
4603         IX86_BUILTIN_SHUFPD here.
4605 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
4607         * config/i386/i386.md (plogic): New.
4608         (plogicprefix): Likewise.
4610         * config/i386/mmx.md (mmx_<code><mode>3): New.
4611         (mmx_and<mode>3): Removed.
4612         (mmx_ior<mode>3): Likewise.
4613         (mmx_xor<mode>3): Likewise.
4615         * config/i386/sse.md (<code><mode>3): New.
4616         (*<code><mode>3): Likewise.
4617         (*<code><mode>3): Likewise.
4618         (<code><mode>3): Likewise.
4619         (*sse_<code><mode>3): Likewise.
4620         (*sse2_<code><mode>3): Likewise.
4621         (<code>tf3): Likewise.
4622         (*<code>tf3): Likewise.
4623         (and<mode>3): Likewise.
4624         (*and<mode>3): Likewise.
4625         (ior<mode>3): Removed.
4626         (*ior<mode>3): Likewise.
4627         (xor<mode>3): Likewise.
4628         (*xor<mode>3): Likewise.
4629         (*and<mode>3): Likewise.
4630         (*ior<mode>3): Likewise.
4631         (*xor<mode>3): Likewise.
4632         (and<mode>3): Likewise.
4633         (*sse_and<mode>3): Likewise.
4634         (*sse2_and<mode>3): Likewise.
4635         (andtf3): Likewise.
4636         (*andtf3): Likewise.
4637         (ior<mode>3): Likewise.
4638         (*sse_ior<mode>3): Likewise.
4639         (*sse2_ior<mode>3): Likewise.
4640         (iortf3): Likewise.
4641         (*iortf3): Likewise.
4642         (xor<mode>3): Likewise.
4643         (*sse_xor<mode>3): Likewise.
4644         (*sse2_xor<mode>3): Likewise.
4645         (xortf3): Likewise.
4646         (*xortf3): Likewise.
4648 2008-04-02  Richard Guenther  <rguenther@suse.de>
4650         PR tree-optimization/14495
4651         PR tree-optimization/34793
4652         * tree-vrp.c (struct switch_update): New structure.
4653         (to_remove_edges, to_update_switch_stmts): New VECs.
4654         (simplify_switch_using_ranges): New function.  Remove not taken
4655         case labels and edges.
4656         (simplify_stmt_using_ranges): Call it.
4657         (identify_jump_threads): Mark edges we have queued for removal
4658         so we don't thread them.
4659         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
4660         case label vector.
4661         * tree-cfg.c (group_case_labels): Deal with missing default label.
4662         (tree_verify_flow_info): Allow missing default label.
4663         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
4664         (emit_case_nodes): Likewise.
4665         (expand_case): Do not rely on the default label to be present.
4666         * expr.c (try_casesi): Deal with NULL default_label.
4667         (do_tablejump): Likewise.
4669 2008-04-02  Richard Guenther  <rguenther@suse.de>
4671         PR tree-optimization/14495
4672         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
4673         SWITCH_EXPR here ...
4674         (vrp_visit_switch_stmt): ... but here (new function).
4675         (find_case_label_index): New helper function.
4676         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
4678 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4680         * fwprop.c: Fix ISO-C99ism.
4682 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4684         PR bootstrap/35752
4685         * Makefile.in (objdir): Set it here.
4686         * configure.ac: Not here.  Find dynamic linker characteristics.
4687         * exec-tool.in: Use them.
4688         * aclocal.m4: Regenerate.
4689         * configure: Regenerate.
4691 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4693         * expr.c (expand_var): Delete it.
4694         * expr.h (expand_var): Delete prototype.
4695         * function.c (expand_function_start): Use expand_decl instead.
4696         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
4697         langhook.
4699 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
4701         PR rtl-optimization/35542
4702         * fwprop.c (forward_propagate_and_simplify): Replace
4703         loc_reg_mentioned_in_p with reg_mentioned_p.
4705 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4707         PR rtl-optimization/35281
4708         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
4709         (propagate_rtx_1): Handle PR_HANDLE_MEM.
4710         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
4711         (varying_mem_p): Move above propagate_rtx.
4712         (all_uses_available_at): Do not check MEMs.
4714 2008-04-02  Rafael Espindola  <espindola@google.com>
4716         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
4717         (register_edge_assert_for_2): Split the cond argument.
4718         (register_edge_assert_for_1): Adjust for the change in
4719         register_edge_assert_for_2.
4720         (register_edge_assert_for): Split the cond argument.
4721         (find_switch_asserts): Adjust for the change in
4722         register_edge_assert_for.
4724 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
4726         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
4727         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
4728         offsets for 64-bit mingw.
4729         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
4730         abi for x86_64-pc-mingw.
4732 2008-04-02  Richard Guenther  <rguenther@suse.de>
4734         * tree-vrp.c (extract_range_from_assert): Make sure to not
4735         produce range min/max with TREE_OVERFOW set.
4736         If merging a anti-range and a range keep the anti-range if
4737         the range covers all values of the type.
4738         (register_edge_assert_for_2): Only allow sign-changing
4739         conversions in detecting canonical range checks.  Also
4740         register an assert for the unsigned name if useful.
4742         PR tree-optimization/35787
4743         * tree-vrp.c (vrp_val_max): New function.
4744         (vrp_val_min): Likewise.
4745         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
4746         (vrp_val_is_min): Likewise.
4747         (supports_overflow_infinity): Use vrp_val_{min,max}.
4748         (negative_overflow_infinity): Likewise.
4749         (positive_overflow_infinity): Likewise.
4750         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
4751         (is_positive_overflow_infinity): Likewise.
4752         (is_overflow_infinity): Likewise.
4753         (avoid_overflow_infinity): Use vrp_val_{min,max} and
4754         vrp_val_is_{min,max}.
4755         (set_and_canonicalize_value_range): Canonicalize anti-ranges
4756         to ranges if possible.  Avoid empty ranges.
4758 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4760         PR middle-end/35705
4761         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
4762         the expression is a function address.
4764 2008-04-01  George Helffrich  <george@gcc.gnu.org>
4766         PR fortran/35154, fortran/23057
4767         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
4768         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
4769         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
4770         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
4771         in common.
4772         (dbxout_syms): Check for COMMON-based symbol and wrap in
4773         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
4774         in bracket for efficiency.
4776         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
4777         using DW_TAG_common_block + member offset.
4778         (add_pubname_string): New function.
4779         (dw_expand_expr): New function to find block name and offset for
4780         COMMON var.
4781         (common_check): New function to check whether symbol in Fortran COMMON.
4782         (gen_variable_die): If COMMON, use DW_TAG_common_block.
4784 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
4786         PR c/35436
4787         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
4789 2008-04-02  Ben Elliston  <bje@au.ibm.com>
4791         * config/v850/v850.md (casesi): Remove if (0) code.
4792         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
4793         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
4795 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
4797         * config/i386/i386.md (rex64suffix): New mode attribute.
4798         (floathi<mode>2): Disable expander for SSE math.
4799         (*floathi<mode>2_1): New insn insn_and_split pattern.
4800         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
4801         corresponding post-reload splitters.
4802         (*floathi<mode>2_i387): New macroized insn pattern.
4803         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
4804         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
4805         insn_and_split pattern.
4806         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
4807         New macroized instruction patterns and corresponding post-reload
4808         splitters.
4809         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
4810         and corresponding post-reload splitters.
4811         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
4812         New macroized instruction patterns.
4813         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
4814         macroized instruction patterns and corresponding post-reload splitters.
4815         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
4816         corresponding post-reload splitters.
4817         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
4818         New macroized instruction patterns.
4819         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
4820         corresponding post-reload splitters.
4821         (*floatsi<mode>2_i387): New macroized instruction patterns.
4823 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
4825         * config/i386/i386.md (smaxmin): New.
4826         (umaxmin): Likewise.
4827         (maxminiprefix): Likewise.
4828         (maxminfprefix): Likewise.
4829         (<code><mode>3): Likewise.
4830         (smin<mode>3): Removed.
4831         (smax<mode>3): Likewise.
4833         * config/i386/mmx.md (mmx_<code>v2sf3): New.
4834         (mmx_<code>v4hi3): Likewise.
4835         (mmx_<code>v8qi3): Likewise.
4836         (mmx_smaxv2sf3): Removed.
4837         (mmx_sminv2sf3): Likewise.
4838         (mmx_umaxv8qi3): Likewise.
4839         (mmx_smaxv4hi3): Likewise.
4840         (mmx_uminv8qi3): Likewise.
4841         (mmx_sminv4hi3): Likewise.
4843         * config/i386/sse.md (<addsub><mode>3): New.
4844         (*<addsub><mode>3): Likewise.
4845         (<sse>_vm<addsub><mode>3): Likewise.
4846         (<maxmin><mode>3): Likewise.
4847         (*<maxmin><mode>3_finite): Likewise.
4848         (*<maxmin><mode>3): Likewise.
4849         (<sse>_vm<maxmin><mode>3): Likewise.
4850         (sse3_h<addsub>v4sf3): Likewise.
4851         (sse3_h<addsub>v2df3): Likewise.
4852         (<maxmin>v16qi3): Likewise.
4853         (*<maxmin>v16qi3): Likewise.
4854         (<maxmin>v8hi3): Likewise.
4855         (*<maxmin>v8hi3): Likewise.
4856         (*sse4_1_<maxmin><mode>3): Likewise.
4857         (*sse4_1_<maxmin><mode>3): Likewise.
4858         (add<mode>3): Removed.
4859         (*add<mode>3): Likewise.
4860         (<sse>_vmadd<mode>3): Likewise.
4861         (sub<mode>3): Likewise.
4862         (*sub<mode>3): Likewise.
4863         (<sse>_vmsub<mode>3): Likewise.
4864         (smin<mode>3): Likewise.
4865         (*smin<mode>3_finite): Likewise.
4866         (*smin<mode>3): Likewise.
4867         (<sse>_vmsmin<mode>3): Likewise.
4868         (smax<mode>3): Likewise.
4869         (*smax<mode>3_finite): Likewise.
4870         (*smax<mode>3): Likewise.
4871         (<sse>_vmsmax<mode>3): Likewise.
4872         (sse3_haddv4sf3): Likewise.
4873         (sse3_haddv2df3): Likewise.
4874         (sse3_hsubv4sf3): Likewise.
4875         (sse3_hsubv2df3): Likewise.
4876         (umaxv16qi3): Likewise.
4877         (*umaxv16qi3): Likewise.
4878         (smaxv8hi3): Likewise.
4879         (*smaxv8hi3): Likewise.
4880         (*sse4_1_smax<mode>3): Likewise.
4881         (*sse4_1_umax<mode>3): Likewise.
4882         (uminv16qi3): Likewise.
4883         (*uminv16qi3): Likewise.
4884         (sminv8hi3): Likewise.
4885         (*sminv8hi3): Likewise.
4886         (*sse4_1_smin<mode>3): Likewise.
4887         (*sse4_1_umin<mode>3): Likewise.
4889 2008-04-01  Rafael Espindola  <espindola@google.com>
4891         * tree-cfg.c (verify_expr): remove in_phi.
4892         (verify_stmt): Don't call walk_tree with verify_expr. Use
4893         is_gimple_min_invariant instead of is_gimple_val.
4895 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
4897         * doc/include/gpl_v3.texi: Update for manpage generation.
4898         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
4899         gpl.texi.
4900         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
4901         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
4902         gpl_v3.texi instead of gpl.texi.
4903         (gpl.pod): New.
4905 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
4907         PR pch/13675
4908         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
4910 2008-04-01  Rafael Espindola  <espindola@google.com>
4912         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
4913         (extract_code_and_val_from_cond): Use
4914         extract_code_and_val_from_cond_with_ops.
4916 2008-04-01  Jan Hubicka  <jh@suse.cz>
4918         * function.c (free_after_compilation): Free epilogue_delay_list.
4919         (prepare_function_start): Assert that previous compilation was freed.
4921 2008-04-01  Jan Hubicka  <jh@suse.cz>
4922             Jim Wilson  <wilson@tuliptree.org>
4923             Andreas Tobler <andreast@gcc.gnu.org>
4925         PR middle-end/35781
4926         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
4927         rtl.emit instead cfun->emit.
4928         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
4929         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
4931 2008-04-01  Ben Elliston  <bje@au.ibm.com>
4933         * doc/c-tree.texi (Function Basics): Fix grammatical error.
4935 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
4937         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
4938         New options
4939         (fprofile-use): Add var flag_profile_use
4940         * coverage.c (coverage_begin_output): Do not open a gcno file for
4941         output only if -ftest-coverage is set.
4942         Do not add getpwd() to gcda file path.
4943         (build_gcov_info): Check the new flag
4944         flag_profile_datafile_relative_path.
4945         (coverage_init): Use profile_data_prefix.
4946         Read profile counter only if flag_profile_use is set.
4947         * opts.c (common_handle_option): New option fprofile-use=,
4948         fprofile-dir=, fprofile-generate=.
4949         * toplev.c (profile_data_prefix): New variable definition.
4950         * toplev.h (profile_data_prefix): New declaration.
4951         * doc/invoke.tex (Option Summary, Optimization Options):
4952         Add new options.
4954 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
4956         * varasm.c (output_constant_pool_1): In LABEL_REF check,
4957         use tmp consistently.
4959         PR target/35695
4960         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
4961         * config/ia64/ia64.c (rtx_needs_barrier): Handle
4962         UNSPEC_FR_RECIP_APPROX_RES.
4963         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
4965 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
4967         PR c/35750
4968         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
4970 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4972         PR middle-end/30186
4973         * fold-const.c (fold_indirect_ref_1): Support accessing non first
4974         element of the vector via a pointer.
4976 2008-03-31  Ian Lance Taylor  <iant@google.com>
4978         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
4980 2008-03-31  Jan Hubicka  <jh@suse.cz>
4982         * builtins.c (expand_builtin_setjmp_receiver): Update call of
4983         get_arg_pointer_save_area.
4984         * expr.c (init_expr): Just clear out rtl.expr.
4985         * function.c (free_after_compilation): Clear out whole RTL structure.
4986         (get_func_frame_size): Merge into ...
4987         (get_frame_size): ... this one.
4988         (assign_stack_local_1): Merge into ...
4989         (assign_stack_local): ... this one.
4990         (expand_function_end): Update call of get_arg_pointer_save_area.
4991         (get_art_pointer_save_area): Remove cfun argument.
4992         * function.h (emit_status): regno_pointer_align does not need length
4993         attribute. Move x_regno_reg_rtx to ...
4994         (regno_reg_rtx): ... new global array.
4995         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
4996         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
4997         apply_args_value, forced_labels, stack_pointer_delta):
4998         Update accestors.
4999         (struct varasm_status): Move here from varasm.c
5000         (struct rtl_data): New. Move here some fields from struct function.
5001         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
5002         frame_offset, stack_check_probe_note, arg_pointer_save_area,
5003         used_temp_slots avail_temp_slots, temp_slot_level,
5004         nonlocal_goto_handler_labels): Update accesstors.
5005         (rtl): New global variable.
5006         (struct function): Move some fileds to rtl_data.
5007         (get_arg_pointer_save_area): Update prototype.
5008         * emit-rtl.c (rtl): Declare.
5009         (regno_reg_rtx): Declare.
5010         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
5011         Update.
5012         (gen_reg_rtx): Update.
5013         (init_virtual_regs): Do not tate emit_status argument.
5014         (init_emit): Do not allocate emit.
5015         * varasm.c (varasm_statuc): Move to function.h.
5016         (n_deferred_constatns): Update accestor.
5017         (init_varasm_status): Do not allocate varasm_status.
5018         (force_const_mem, get_pool_size, output_constant_pool): Update.
5019         * stmt.c (force_label_rtx): Do not use x_ prefixes.
5020         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
5022 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
5024         PR rtl-optimization/35729
5025         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
5026         references.
5028 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
5030         PR target/32000
5031         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
5032         load/store if memory is unaligned.
5033         (*movti_rex64): Likewise.
5035         * config/i386/predicates.md (misaligned_operand): New.
5037 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
5039         PR tree-opt/35431
5040         * tree-ssa-phiopt.c (conditional_replacement): Return early for
5041         complex types.
5043 2008-03-31  Jan Beulich  <jbeulich@novell.com>
5045         * config/ia64/constraints.md: Add 'j' constraint.
5046         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
5047         (movdi_internal): Likewise.
5049 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
5051         PR c/35748
5052         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
5054 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
5056         PR target/35757
5057         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
5058         proper error message for the third argument on blendpd and
5059         blendps.
5061         * config/i386/sse.md (blendbits): New.
5062         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
5064 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
5066         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
5068 2008-03-30  Richard Guenther  <rguenther@suse.de>
5070         PR middle-end/31023
5071         * fold-const.c (fold_sign_changed_comparison): Do leave
5072         conversions to base-types alone.
5074 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5076         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
5077         the link register if one altivec register is be saved.
5079 2008-03-30  Ben Elliston  <bje@au.ibm.com>
5081         * final.c (final_scan_insn): Remove if (0) code.
5083 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
5085         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
5087 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
5089         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
5090         of V4SFmode to ix86_binary_operator_ok.
5092 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
5094         * config/i386/i386.c (override_options): Initialize
5095         ix86_veclib_handler to ix86_veclibabi_svml when
5096         -mveclibabi=svml is used.
5097         (ix86_veclibabi_svml): New function for SVML ABI style
5098         vectorization support.
5099         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
5101 2008-03-28  Rafael Espindola  <espindola@google.com>
5103         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
5104         (tree_binary_nonnegative_warnv_p): Make it public.
5105         (tree_single_nonnegative_warnv_p): Make it public.
5106         (tree_invalid_nonnegative_warnv_p): Make it public.
5107         (tree_unary_nonzero_warnv_p): Make it public.
5108         (tree_binary_nonzero_warnv_p): Make it public
5109         (tree_single_nonzero_warnv_p): Make it public.
5110         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
5111         (extract_range_from_binary_expr): Split the expr argument.
5112         (extract_range_from_unary_expr): Split the expr argument.
5113         (extract_range_from_comparison): Split the expr argument.
5114         (extract_range_from_expr): Use the new aux functions.
5115         (vrp_evaluate_conditional_warnv): Use
5116         vrp_evaluate_conditional_warnv_with_ops.
5117         * tree.h (tree_unary_nonzero_warnv_p): Declare.
5118         (tree_binary_nonzero_warnv_p): Declare.
5119         (tree_single_nonzero_warnv_p): Declare.
5120         (tree_expr_nonzero_warnv_p): Declare.
5121         (tree_unary_nonnegative_warnv_p): Declare.
5122         (tree_binary_nonnegative_warnv_p): Declare.
5123         (tree_single_nonnegative_warnv_p): Declare.
5124         (tree_invalid_nonnegative_warnv_p): Declare.
5126 2008-03-28  Richard Guenther  <rguenther@suse.de>
5128         PR tree-optimization/30317
5129         PR tree-optimization/30911
5130         PR tree-optimization/34793
5131         * tree-vrp.c (set_and_canonicalize_value_range): New function.
5132         (struct assert_locus_d): New member EXPR.
5133         (register_new_assert_for): Add EXPR parameter to support
5134         ASSERT_EXPR <name, expr OP limit>.
5135         (register_edge_assert_for_1): Adjust callers.
5136         (find_assert_locations): Likewise.
5137         (process_assert_insertions_for): Build condition from expression.
5138         (extract_range_from_assert): Handle ASSERT_EXPRs
5139         of the form ASSERT_EXPR <name, expr OP limit>.
5140         (register_edge_assert_for_2): New helper registering
5141         asserts for comparisons.  Recognize range tests of the form
5142         (unsigned)i - CST1 OP CST2.
5143         (register_edge_assert_for_1): Use it.
5144         (register_edge_assert_for): Likewise.
5145         (needs_overflow_infinity): Integer sub-types
5146         do not need overflow infinities.
5147         (vrp_val_is_max): The extreme values of integer sub-types
5148         are those of the base type.
5149         (vrp_val_is_min): Likewise.
5150         * tree.def (ASSERT_EXPR): Document extra allowed conditional
5151         expressions.
5153 2008-03-28  Nick Clifton  <nickc@redhat.com>
5155         PR target/31110
5156         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
5157         Return GENERAL_REGS for stack adjustment reloads.
5159 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5161         PR target/31334
5162         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
5163         const_vector when all the vectors are constant.
5165 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
5167         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
5168         comparisons.
5169         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
5170         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
5171         (scc_sf): New.
5172         (s<code>_sf): Use new scc_sf attribute for opcode names.
5174 2008-03-27  Tom Tromey  <tromey@redhat.com>
5176         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
5177         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
5178         config/spu/t-spu-elf, config/i386/t-interix,
5179         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
5180         config/i386/x-darwin, config/i386/x-mingw32,
5181         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
5182         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
5183         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
5184         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
5185         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
5186         config/rs6000/x-darwin, config/rs6000/t-rs6000,
5187         config/score/t-score-elf, config/arm/t-strongarm-pe,
5188         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
5189         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
5190         Revert automatic dependency patch.
5192 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
5194         PR target/35657
5195         * config/i386/i386.c (ix86_function_arg_boundary): Align
5196         decimal floating point to its natural boundary.
5198 2008-03-27  Richard Guenther  <rguenther@suse.de>
5200         PR middle-end/35716
5201         * fold-const.c (fold_comparison): Restrict distinct decl
5202         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
5203         solely rely on operand_equal_p.
5205 2008-03-27  Richard Guenther  <rguenther@suse.de>
5207         PR c/32511
5208         * c-common.c (handle_weak_attribute): Reject combination of
5209         weak and inline.
5211 2008-03-27  Richard Guenther  <rguenther@suse.de>
5213         PR tree-optimization/32810
5214         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
5215         conversions from DECL_INITIAL.
5216         (fold_const_aggregate_ref): Likewise from constructor elements.
5218 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
5220         * tree-affine.h (aff_combination_expand): Declare.
5221         (get_inner_reference_aff): Likewise.
5222         * tree-affine.c (aff_combination_expand): Split out from
5223         tree_to_aff_combination_expand.
5224         (get_inner_reference_aff): New function.
5225         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
5226         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
5227         (struct lim_aux_data): sm_done field removed.
5228         (mem_ref_loc_p, mem_ref_locs_p): New types.
5229         (struct mem_ref): Added id, stored, accesses_in_loop,
5230         indep_loop, dep_loop, indep_ref, dep_ref fields.
5231         Removed is_stored, locs and next fields.
5232         (memory_accesses): New variable.
5233         (movement_possibility): Do not allow moving statements
5234         that store to memory.
5235         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
5236         New functions.
5237         (determine_max_movement): For statements with memory references,
5238         find the outermost loop in that the reference is independent.
5239         (move_computations_stmt): Mark the virtual operands for renaming.
5240         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
5241         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
5242         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
5243         add_vop_ref_mapping, create_vop_ref_mapping_loop,
5244         create_vop_ref_mapping, analyze_memory_references,
5245         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
5246         get_all_locs_in_loop, ref_always_accessed_p,
5247         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
5248         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
5249         store_motion_loop, store_motion): New functions.
5250         (struct vop_to_refs_elt): New type.
5251         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
5252         memref_hash, memref_eq, hoist_memory_references): Rewritten.
5253         (schedule_sm): Replaced by...
5254         (execute_sm): ... this.
5255         (determine_lsm_ref, hoist_memory_references,
5256         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
5257         find_more_ref_vops, free_mem_ref, free_mem_refs,
5258         determine_lsm_loop, determine_lsm): Removed.
5259         (tree_ssa_lim_finalize): Free data structures used by store motion.
5260         (tree_ssa_lim): Call analyze_memory_references.  Use
5261         store_motion instead of determine_lsm.
5263 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
5265         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
5266         rename tmake_file to m68hc11/t-m68hc11.
5267         (mcore): Set inhibit_libc to true.
5268         * config.host (alpha*-dec-*vms*): Set extra_programs.
5269         (interix3*): Don't use host_xmake_file.
5270         * configure.ac: Let config.gcc override inhibit_libc.
5271         * configure: Regenerate.
5273         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
5274         * config/t-openbsd-thread: Remove commented out lines.
5275         
5276         * config/x-interix: Remove.
5278         * config/m68hc11/t-m68hc11-gas: Rename to...
5279         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
5281         * config/mcore/t-mcore: Remove T_CFLAGS.
5282         * config/mcore/t-mcore-pe: Likewise.
5284 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
5286         * configure.ac: Replace custom __GNU_SOURCE test with
5287         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
5288         * aclocal.m4: Regenerate.
5289         * configure: Regenerate.
5290         * config.in: Regenerate.
5292 2008-03-27  Richard Guenther  <rguenther@suse.de>
5294         * fold-const.c (target.h): Include.
5295         (fold_comparison): Fold comparison of addresses of decls
5296         that bind locally or of constants.  Consolidate address folding code.
5297         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
5298         results from fold_binary_to_constant.
5299         (compare_values_warnv): Likewise.
5301 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
5303         PR middle-end/35429
5304         * fold-const.c (fold_truthop): Check for integeral types when folding
5305         a == 0 && b == 0 and a != 0 || b != 0 .
5307 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
5309         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
5311 2008-03-26  Andreas Schwab  <schwab@suse.de>
5313         * doc/invoke.texi: Fix use of @item vs. @itemx.
5315 2008-03-26  Tom Tromey  <tromey@redhat.com>
5317         * Makefile.in (build/gensupport.o, build/print-rtl.o,
5318         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
5319         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
5320         build/gencodes.o, build/genconditions.o, build/genconfig.o,
5321         build/genconstants.o, build/genemit.o, build/genextract.o,
5322         build/genflags.o, build/genmddeps.o, build/genopinit.o,
5323         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
5324         options.h.
5326 2008-03-26  Richard Guenther  <rguenther@suse.de>
5328         Revert
5329         2008-03-26  Richard Guenther  <rguenther@suse.de>
5331         * fold-const.c (target.h): Include.
5332         (fold_comparison): Fold comparison of addresses of two decls
5333         that bind locally.  Consolidate address folding code.
5335 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5337         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
5338         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
5339         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
5340         dconstsqrt2, dconstthird, dconste and/or dconst10.
5341         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
5342         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
5343         dconstsqrt2, dconste): Delete.
5344         (init_emit_once): Likewise.  Simplify initializing dconstm1.
5345         Constify variable.
5346         * real.c (get_real_const): New.
5347         * real.h (dconst3, dconst10, dconstm2, dconstthird,
5348         dconstsqrt2, dconste): Delete.
5349         (real_value_const, get_real_const): New.
5351 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
5353         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
5355         * config/i386/i386.c (ix86_function_arg_boundary): Check
5356         BIGGEST_ALIGNMENT instead of 128.
5357         (setup_incoming_varargs_64): Likewise.
5359 2008-03-26  Tom Tromey  <tromey@redhat.com>
5361         * Makefile.in (DEPFILES): Add missing '/'.
5363 2008-03-26  Richard Guenther  <rguenther@suse.de>
5365         * fold-const.c (target.h): Include.
5366         (fold_comparison): Fold comparison of addresses of two decls
5367         that bind locally.  Consolidate address folding code.
5369 2008-03-26  Nick Clifton  <nickc@redhat.com>
5371         PR target/31232
5372         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
5373         not allow INT+INT as a legitimate addressing mode.
5375 2008-03-26  Richard Guenther  <rguenther@suse.de>
5377         * tree-flow.h (widen_bitfield): Remove declaration.
5378         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
5379         (widen_bitfield): Remove function.
5380         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
5381         code.
5383 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5385         PR target/31558
5386         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
5387         error_mark_node's.
5389 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
5391         PR rtl-optimization/35232
5392         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
5393         (forget_old_reloads_1, forget_marked_reloads): Don't clear
5394         reg_reloaded_call_part_clobbered here.
5395         (reload_regs_reach_end_p): New function.
5396         (reload_reg_rtx_for_input): New variable.
5397         (reload_reg_rtx_for_output): Likewise.
5398         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
5399         when reassigning a pseudo register.  Load reloadreg from 
5400         reload_reg_rtx_for_input, moving the mode and register
5401         calculation to...
5402         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
5403         instead of the original when deciding whether an input reload
5404         would be a no-op or whether an output reload can be deleted.
5405         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
5406         when setting up new_spill_reg_store.  Load it from
5407         reload_reg_rtx_for_output, moving the mode and register
5408         calculation to...
5409         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
5410         instead of the original when deciding whether an output reload
5411         would be a no-op.  Do the same when modifying insn notes.
5412         Use rtx_equal_p instead of == to compare the registers.
5413         (inherit_piecemeal_p): Take a mode and two register numbers
5414         as argument.
5415         (emit_reload_insns): Clear new_spill_reg_store for every hard
5416         register in the reload register.  Remove spill registers
5417         from reg_reloaded_valid before considering whether to record
5418         inheritance information for them.  Use reload_reg_rtx_for_output
5419         instead of reg_rtx when recording output reloads.  Use
5420         reload_reg_rtx_for_input instead of reg_rtx when recording
5421         input reloads.  Set or clear reg_reloaded_call_part_clobbered
5422         at the same time as setting reg_reloaded_valid.
5423         (delete_output_reload): Add a new_reload_reg parameter and use it
5424         instead of rld[j].reg_rtx.
5425         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
5426         calls accordingly.
5428 2008-03-25  Tom Tromey  <tromey@redhat.com>
5430         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
5431         (build/genattr.o): Likewise.
5432         (build/genattrtab.o): Likewise.
5433         (build/gencodes.o): Likewise.
5434         (build/genconfig.o): Likewise.
5435         (build/genconstants.o): Likewise.
5436         (build/genemit.o): Likewise.
5437         (build/genextract.o): Likewise.
5438         (build/genflags.o): Likewise.
5440 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
5441         
5442         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
5443         instead of size_int for integer types.
5444         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
5445         to match type of MINUS_EXPR.
5446         
5447 2008-03-25  Tom Tromey  <tromey@redhat.com>
5449         * configure: Rebuilt.
5450         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
5451         Makefile.
5453 2008-03-25  Tom Tromey  <tromey@redhat.com>
5455         * config/x-solaris (host-solaris.o): Update.
5456         * config/x-linux (host-linux.o): Update.
5457         * config/x-hpux (host-hpux.o): Update.
5458         * config/x-darwin (host-darwin.o): Update.
5459         * config/v850/t-v850e (v850-c.o): Update.
5460         * config/v850/t-v850 (v850-c.o): Update.
5461         * config/t-vxworks (vxworks.o): Update.
5462         * config/t-sol2 (sol2-c.o, sol2.o): Update.
5463         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
5464         * config/spu/t-spu-elf (spu-c.o): Update.
5465         (spu.o): Remove.
5466         * config/sh/t-symbian (sh-c.o): Update.
5467         (symbian.o): Update.
5468         * config/sh/t-sh (sh-c.o): Update.
5469         * config/score/t-score-elf (score7.o, score3.o): Update.
5470         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
5471         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
5472         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
5473         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
5474         (rs6000.o): Remove.
5475         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
5476         * config/m32c/t-m32c (m32c-pragma.o): Update.
5477         * config/ia64/t-ia64 (ia64-c.o): Update.
5478         * config/i386/x-mingw32 (host-mingw32.o): Update.
5479         * config/i386/x-i386 (driver-i386.o): Update.
5480         * config/i386/x-darwin (host-i386-darwin.o): Update.
5481         * config/i386/x-cygwin (host-cygwin.o): Update.
5482         * config/i386/t-nwld (nwld.o): Update.
5483         * config/i386/t-netware (netware.o): Update.
5484         * config/i386/t-interix (winnt.o): Update.
5485         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
5486         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
5487         msformat-c.o): Update.
5488         * config/bfin/t-bfin-linux (generated_files): Add
5489         linux-sysroot-suffix.h.
5490         * config/arm/t-wince-pe (pe.o): Update.
5491         * config/arm/t-strongarm-pe (pe.o): Update.
5492         * config/arm/t-pe (pe.o): Update.
5493         * config/arm/t-arm (arm-c.o): Update.
5494         * doc/install.texi (Prerequisites): Require make 3.80.
5495         * Makefile.in: Remove .o targets.
5496         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
5497         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
5498         (simple_generated_h, simple_generated_c): Move earlier.
5499         (generated_files): New variable.
5500         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
5501         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
5502         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
5503         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
5504         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
5505         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
5506         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
5507         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
5508         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
5509         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
5510         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
5511         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
5512         (.c.o): Remove.
5513         (COMPILE.base, COMPILE): New variables.
5514         (%.o): New pattern rule.
5515         (ALL_HOST_OBJS): New variable.
5516         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
5517         (dummy-checksum.o, cc1-checksum.o): Remove.
5518         (DRIVER_SHLIB): New variable.
5519         (DRIVER_DEFINES): Use it.
5520         (gencondmd.c): Move out of build/.
5521         (s-conditions): Update.
5522         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
5523         (ALL_BUILD_OBJS): Likewise.
5524         (build/%.o): Use BUILDCOMPILE.
5525         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
5526         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
5527         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
5528         build/gencheck.o, build/gencodes.o, build/genconditions.o,
5529         build/genconfig.o, build/genconstants.o, build/genemit.o,
5530         build/genextract.o, build/genflags.o, build/genmddeps.o,
5531         build/genopinit.o, build/genoutput.o, build/genpeep.o,
5532         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
5533         build/gen-protos.o, build/scan.o, build/fix-header.o,
5534         build/scan-decls.o): Simplify.
5535         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
5536         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
5537         prefix.o, toplev.o): Reduce to variable setting.
5538         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
5539         ($(out_object_file), gcc-options.o): New targets.
5540         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
5541         * configure: Rebuilt.
5542         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
5543         * doc/sourcebuild.texi (Front End Directory): Document new variable.
5545 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
5547         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
5548         complain when we hit an error, return ERROR_MARK_NODE.
5550 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
5552         * config/sh/constraints.md (Pso, Psz): New constraints.
5553         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
5554         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
5556 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
5558         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
5559         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
5561 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
5563         * config/sh/sh.md (prefetch): Add condition for SH2A target.
5564         (prefetch_sh2a): New.   
5566 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
5567             Naveen.H.S  <naveen.hs@kpitcummins.com>
5569         * config/sh/constraints.md (I28): New constraint.
5570         * config/sh/sh.c (broken_move): Add support for movi20s.
5571         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
5573 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
5574             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
5575             Naveen.H.S  <naveen.hs@kpitcummins.com>
5577         * config/sh/sh.c (SH_ATTRIBUTES): Define.
5578         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
5579         (print_operand): Handle resbank in %@ operand code.
5580         (sh_encode_section_info): New.
5581         (push_regs): Add conditions for resbank.
5582         (sh_expand_epilogue): Likewise.
5583         (sh_insert_attributes): Likewise.
5584         (sh_attribute_table): Likewise.
5585         (sh_handle_resbank_handler_attribute): New.
5586         (sh2a_handle_function_vector_handler_attribute): New.
5587         (sh2a_is_function_vector_call): New.
5588         (sh2a_get_function_vector_number): New.
5589         (sh2a_function_vector_p): New.
5590         (sh_cfun_resbank_handler_p): New.
5591         * config/sh/sh.md (calli): Emit jsr/n if possible.
5592         (calli_tbr_rel): New.
5593         (calli_pcrel): Emit jsr/n if possible.
5594         (return_i): Emit rts/n if possible.
5595         (call_valuei_tbr_rel): New.
5596         (call_valuei_pcrel): Add condition for SH2A target.
5597         (call_value): Likewise.
5598         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
5599         (sh2a_get_function_vector_number): Likewise.
5600         (sh2a_is_function_vector_call): Likewise.
5601         * doc/extend.texi: Document TBR relative addressing of SH2A.
5602         (resbank): Add description for SH2A.
5604 2008-03-24  Richard Guenther  <rguenther@suse.de>
5606         PR c/22371
5607         * gimplify.c (gimplify_modify_expr): For frontend type-correct
5608         pointer assignments change conversions according to middle-end rules.
5609         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
5610         * configure.ac: Include type checking in yes.
5611         * configure: Regenerate.
5613 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5615         * diagnostic.c (diagnostic_count_diagnostic): Delete.
5616         (diagnostic_report_diagnostic): Update. Handle ICEs here.
5617         
5618 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
5620         * gthr-vxworks.h (UNUSED): Define.
5622 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
5624         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
5626 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
5628         * doc/extend.texi (Function Attributes): Add missing comma in the
5629         example of the "alloc_size" attribute.
5630         
5631 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
5633         Revert:
5634         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
5636         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
5637         32bit host.
5639         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
5641         PR target/35496
5642         * stor-layout.c (update_alignment_for_field): Set minimum alignment
5643         of the underlying type of a MS bitfield layout to the natural
5644         alignment of the type.
5646         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
5648         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
5649         to their natural alignment to avoid store forwarding stalls.
5651 2008-03-22  Richard Guenther  <rguenther@suse.de>
5653         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
5654         For PHI nodes verify the address is invariant.
5655         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
5656         (get_symbol_constant_value): Use is_gimple_min_invariant.
5657         (maybe_fold_stmt_indirect): Likewise.
5659 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
5661         PR rtl-optimization/33927
5662         * Makefile.in (dse.o): Depend on $(TM_P_H).
5663         * expr.h (extract_low_bits): Declare.
5664         * expmed.c (extract_low_bits): New function.
5665         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
5666         * dse.c: Include tm_p.h.
5667         (find_shift_sequence): Remove the read_reg argument and return the
5668         read value.  Emit the instructions instead of returning them.
5669         Iterate on new_mode rather than calculating it each time.
5670         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
5671         source to NEW_MODE and extract_low_bits to convert the shifted
5672         value to READ_MODE.
5673         (replace_read): Allow the load and store to have different mode
5674         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
5675         or extraction instructions before trying the replacement.  Update
5676         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
5678 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
5680         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
5681         to their natural alignment to avoid store forwarding stalls.
5683 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5685         PR target/27946
5686         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
5687         encouraging but not allowing gprs for input;
5688         change the input constraint to !f#r.
5689         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
5690         gprs for output;
5691         change the output constraint to !f#r.
5693 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
5695         PR target/13958
5696         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
5697         corresponding post-reload splitters.
5698         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
5699         when x87 FP math is selected.
5700         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
5701         New function prototype.
5702         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
5703         unreachable function to ease macroization of insn patterns.
5705 2008-03-21  Martin Jambor  <mjambor@suse.cz>
5707         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
5708         reference dumps if ddr is NULL or dependence is unknown.
5710 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5712         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
5713         unsigned extension into account.
5714         (ATOMIC_COMPARE_AND_SWAP): Likewise.
5715         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
5716         Do computations on a scratch register.
5718 2008-03-21  Richard Guenther  <rguenther@suse.de>
5720         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
5721         Use is_gimple_min_invariant instead of TREE_INVARIANT.
5722         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
5723         * tree-ssa-dom.c (record_equality): Likewise.
5724         * tree-inline.c (copy_body_r): Likewise.
5725         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
5726         TREE_INVARIANT.
5728 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5730         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
5731         as 'delete_unused' argument.
5733 2008-03-20  Richard Guenther  <rguenther@suse.de>
5735         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
5736         special casing of constant qualifiers.
5737         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
5738         care about them in general.
5739         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
5740         regardless of their type.
5741         (fold_stmt_r): Forcefully fold *& if we end up with that.
5743 2008-03-20  Paul Brook  <paul@codesourcery.com>
5745         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
5746         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
5747         linker flags.
5748         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
5749         definition.
5750         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
5751         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
5753 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
5755         * common.opt (Wmudflap): New option.
5756         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
5757         (mx_register_decls): Likewise.
5758         (mudflap_finish_file): Likewise.
5759         * doc/invoke.texi: Document -Wno-mudflap.
5761 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
5763         * c-format.c (replace_format_name_to_system_name): New.
5764         (cmp_attribs): New.
5765         (convert_format_name_to_system_name): New.
5766         (decode_format_attr): Add use of convert_format_name_to_system_name.
5767         (format_types_orig): Add gnu_ prefix to names.
5768         (check_format_info_main): Special treating of \0 escaped names for
5769         supporting multi-character format specifiers as I32, I64.
5770         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
5771         (gnu_target_overrides_format_attributes): New.
5772         * c-format.h: Add structure target_ovr_attr to hold
5773         system specific formatter names.
5774         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
5775         msformat-c.o file to c_target_objs and cxx_target_objs.
5776         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
5777         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
5778         (TARGET_N_FORMAT_TYPES): New.
5779         * config/i386/msformat-c.c: New.
5780         * config/i386/t-cygming: Add build rule for msformat-c.o.
5781         * doc/extend.texi: Add new format names gnu_* and ms_* and
5782         further details.
5783         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
5785 2008-03-20  Ira Rosen  <irar@il.ibm.com>
5787         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
5788         optimizations turned on under -O3.
5789         (ftree-vectorize): Add that the flag is turned on with -O3.
5791 2008-03-20  Ben Elliston  <bje@au.ibm.com>
5793         * regmove.c (try_auto_increment): Fix spelling error in comment.
5794         * final.c (final_scan_insn): Likewise.
5796 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
5798         PR target/14552
5799         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
5800         allocator preferences for "y" and "r" class registers.
5801         ("*mov<mode>_internal"): Ditto.
5802         ("*movv2sf_internal_rex64"): Ditto.
5803         ("*movv2sf_internal"): Ditto.
5805 2008-03-19  Michael Matz  <matz@suse.de>
5807         PR middle-end/35616
5808         * calls.c (expand_call): Check overlap of arguments with call
5809         address for sibcalls.
5811 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
5813         PR target/35496
5814         * stor-layout.c (update_alignment_for_field): Set minimum alignment
5815         of the underlying type of a MS bitfield layout to the natural
5816         alignment of the type.
5818 2008-03-19  Jan Hubicka  <jh@suse.cz>
5820         PR other/35094
5821         * toplev.c (decode_d_option): Handle all CPP flags.
5822         * tree-vrp.c: Update tree_pass descriptors.
5823         * regrename.c: Update tree_pass descriptors.
5824         * fwprop.c: Update tree_pass descriptors.
5825         * doc/invoke.texi: Remove documentation of dropped -d? flags.
5826         * tree-into-ssa.c: Update tree_pass descriptors.
5827         * tree-dump.c: Update tree_pass descriptors.
5828         * tree-complex.c: Update tree_pass descriptors.
5829         * tree-dump.h: Update tree_pass descriptors.
5830         * see.c: Update tree_pass descriptors.
5831         * cgraphbuild.c: Update tree_pass descriptors.
5832         * tracer.c: Update tree_pass descriptors.
5833         * tree-loop-distribution.c: Update tree_pass descriptors.
5834         * cgraph.c: Update tree_pass descriptors.
5835         * postreload-gcse.c: Update tree_pass descriptors.
5836         * postreload.c: Update tree_pass descriptors.
5837         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
5838         * tree-tailcall.c: Update tree_pass descriptors.
5839         * tree-pass.h (tree_opt_pass): Rename to ...
5840         (opt_pass) ... this one; add "type" field and remove letter field.
5841         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
5842         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
5843         all_lowering_passes): Update declaration.
5844         * ipa-cp.c: Update tree_pass descriptors.
5845         * final.c: Update tree_pass descriptors.
5846         * omp-low.c: Update tree_pass descriptors.
5847         * tree-ssa-dse.c: Update tree_pass descriptors.
5848         * ipa-reference.c: Update tree_pass descriptors.
5849         * tree-ssa-uncprop.c: Update tree_pass descriptors.
5850         * auto-inc-dec.c: Update tree_pass descriptors.
5851         * reorg.c: Update tree_pass descriptors.
5852         * cgraphunit.c: Update tree_pass descriptors.
5853         * tree-ssa-copyrename.c: Update tree_pass descriptors.
5854         * tree-ssa-ccp.c: Update tree_pass descriptors.
5855         * df-core.c: Update tree_pass descriptors.
5856         * mode-switching.c: Update tree_pass descriptors.
5857         * tree-nomudflap.c: Update tree_pass descriptors.
5858         * modulo-sched.c: Update tree_pass descriptors.
5859         * ipa-pure-const.c: Update tree_pass descriptors.
5860         * cse.c: Update tree_pass descriptors.
5861         * web.c: Update tree_pass descriptors.
5862         * tree-stdarg.c: Update tree_pass descriptors.
5863         * tree-ssa-math-opts.c: Update tree_pass descriptors.
5864         * tree-ssa-dom.c: Update tree_pass descriptors.
5865         * tree-nrv.c: Update tree_pass descriptors.
5866         * tree-ssa-alias.c: Update tree_pass descriptors.
5867         * loop-init.c: Update tree_pass descriptors.
5868         * gimple-low.c: Update tree_pass descriptors.
5869         * ipa-inline.c: Update tree_pass descriptors.
5870         * tree-ssa-sink.c: Update tree_pass descriptors.
5871         * global.c: Update tree_pass descriptors.
5872         * ifcvt.c: Update tree_pass descriptors.
5873         * jump.c: Update tree_pass descriptors.
5874         * predict.c: Update tree_pass descriptors.
5875         * tree-ssa-loop.c: Update tree_pass descriptors.
5876         * recog.c: Update tree_pass descriptors.
5877         * dse.c: Update tree_pass descriptors.
5878         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
5879         * tree-eh.c: Update tree_pass descriptors.
5880         * regmove.c: Update tree_pass descriptors.
5881         * local-alloc.c
5882         * function.c: Update tree_pass descriptors.
5883         * tree-vectorizer.c: Update tree_pass descriptors.
5884         * gcse.c: Update tree_pass descriptors.
5885         * ipa-type-escape.c: Update tree_pass descriptors.
5886         * tree-if-conv.c: Update tree_pass descriptors.
5887         * init-regs.c: Update tree_pass descriptors.
5888         * ipa.c: Update tree_pass descriptors.
5889         * tree-ssa-phiopt.c: Update tree_pass descriptors.
5890         * rtl-factoring.c: Update tree_pass descriptors.
5891         * lower-subreg.c: Update tree_pass descriptors.
5892         * bt-load.c: Update tree_pass descriptors.
5893         * tree-dfa.c: Update tree_pass descriptors.
5894         * except.c: Update tree_pass descriptors.
5895         * emit-rtl.c: Update tree_pass descriptors.
5896         * cfgexpand.c: Update tree_pass descriptors.
5897         * tree-cfgcleanup.c: Update tree_pass descriptors.
5898         * cfgcleanup.c: Update tree_pass descriptors.
5899         * tree-ssa-pre.c: Update tree_pass descriptors.
5900         * tree-sra.c: Update tree_pass descriptors.
5901         * tree-mudflap.c: Update tree_pass descriptors.
5902         * tree-ssa-copy.c: Update tree_pass descriptors.
5903         * cfglayout.c: Update tree_pass descriptors.
5904         * tree-ssa-forwprop.c: Update tree_pass descriptors.
5905         * tree-ssa-dce.c: Update tree_pass descriptors.
5906         * tree-ssa.c: Update tree_pass descriptors.
5907         * regclass.c: Update tree_pass descriptors.
5908         * integrate.c: Update tree_pass descriptors.
5909         * tree-optimize.c: Update tree_pass descriptors.
5910         * tree-ssa-phiprop.c: Update tree_pass descriptors.
5911         * tree-object-size.c: Update tree_pass descriptors.
5912         * combine.c: Update tree_pass descriptors.
5913         * tree-outof-ssa.c: Update tree_pass descriptors.
5914         * bb-reorder.c: Update tree_pass descriptors.
5915         * stack-ptr-mod.c: Update tree_pass descriptors.
5916         * var-tracking.c: Update tree_pass descriptors.
5917         * tree-profile.c: Update tree_pass descriptors.
5918         * tree-vect-generic.c: Update tree_pass descriptors.
5919         * reg-stack.c: Update tree_pass descriptors.
5920         * sched-rgn.c: Update tree_pass descriptors.
5921         * tree-ssa-structalias.c: Update tree_pass descriptors.
5922         * tree-cfg.c: Update tree_pass descriptors.
5923         * passes.c (current_pass): Update declaration.
5924         (finish_optimization_passes): Update.
5925         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
5926         (register_one_dump_file, register_dump_files_1, next_pass_1):
5927         Update arguments.
5928         (init_optimization_passes): Update handling of new types.
5929         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
5930         * ipa-struct-reorg.c: Update tree_pass descriptors.
5931         * tree-ssa-reassoc.c: Update tree_pass descriptors.
5932         * combine-stack-adj.c: Update tree_pass descriptors.
5933         * cfgrtl.c: Update tree_pass descriptors.
5934         * dce.c: Update tree_pass descriptors.
5935         * tree-ssanames.c: Update tree_pass descriptors.
5937 2008-03-19  Richard Guenther  <rguenther@suse.de>
5939         PR middle-end/35609
5940         * tree-ssa.c (walk_data): New structure.
5941         (warn_uninitialized_var): If not always_executed warn with "maybe"
5942         instead of "is".
5943         (execute_early_warn_uninitialized): Compute post-dominators.
5944         Initialize always_executed before processing each basic block.
5946 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
5948         PR target/35504
5949         * config/i386/i386.c (x86_this_parameter): Calculate correct location
5950         of "this" pointer when "regparm = N" or "fastcall" is in effect.
5952 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5954         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
5956 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
5958         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
5959         is true.
5960         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
5961         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
5962         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
5963         target after ignore has been set, and move there also the commputation
5964         of subtarget and original_target.
5965         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
5966         (LANG_HOOKS_INITIALIZER): Remove it.
5967         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
5969 2008-03-18  Richard Guenther  <rguenther@suse.de>
5971         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
5972         found an expression with constants, note that in the VN for the lhs.
5973         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
5974         fold them to constants if possible.  Run cleanup_cfg if done so.
5975         (execute_pre): Return todo.
5976         (do_pre): Likewise.
5977         (execute_fre): Likewise.
5978         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
5979         of constants.
5980         (get_prop_source_stmt): Look through pointer conversions.
5982 2008-03-18  Jan Hubicka  <jh@suse.cz>
5984         * tree-pretty-print.c: Include predict.h.
5985         (dump_generic_node): Dump predictor.
5986         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
5987         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
5988         * gimple-low.c (lower_stmt): Likewise.
5989         * expr.c (expand_expr_real): Likewise.
5990         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
5991         them.
5992         (build_predict_expr, build_predict_expr): New.
5993         * predict.h (predictor_name, build_predict_expr): Update.
5994         * c-typeck.c (c_finish_bc_stmt): Add prediction.
5995         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
5996         * predict.def (PRED_CONTINUE): Update hitrate.
5997         * tree.def (PREDICT_EXPR): Define.
5998         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
5999         do not handle BIND_EXPR.
6000         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
6001         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
6002         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
6003         operands.
6005 2008-03-18  Michael Matz  <matz@suse.de>
6007         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
6009 2008-03-18  Richard Guenther  <rguenther@suse.de>
6011         * tree-gimple.h (is_gimple_invariant_address): Declare.
6012         (is_gimple_constant): Likewise.
6013         * tree-gimple.c (is_gimple_constant): New function.
6014         (is_gimple_invariant_address): Likewise.
6015         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
6016         and is_gimple_invariant_address.
6017         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
6018         previous change.
6019         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
6020         an addressable base.
6022 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
6024         PR middle-end/35611
6025         * gimplify.c (gimplify_expr): Gimplify second operand of
6026         OMP_ATOMIC_LOAD.
6028 2008-03-17  Richard Guenther  <rguenther@suse.de>
6030         PR tree-optimization/19637
6031         * fold-const.c (fold_unary): Remove restrictions of removing
6032         intermediate pointer-conversions (P2)(P1)P0.
6033         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
6034         conversion to void pointer.
6035         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
6037 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
6039         PR debug/31510
6040         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
6041         emulated thread local variables.
6043 2008-03-16  Richard Guenther  <rguenther@suse.de>
6045         PR middle-end/35607
6046         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
6047         expand TREE_INVARIANT operations that are not gimple invariant.
6049 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
6051         * doc/extend.texi (Alignment): Say that the ABI controls
6052         the __alignof__ for non-strict-alignment targets rather
6053         than being a recommendation.
6055 2008-03-15  Paul Brook  <paul@codesourcery.com>
6057         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
6058         annotations.
6059         (arm_output_fn_unwind): Mark functions that can not be unwound.
6061 2008-03-15  Paul Brook  <paul@codesourcery.com>
6063         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
6064         extension instructions.
6066 2008-03-15  Richard Guenther  <rguenther@suse.de>
6068         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
6069         and fold constant aggregate refs.
6070         (fold_const_aggregate_ref): Handle string constants
6071         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
6072         (evaluate_stmt): Simplify now that ccp_fold folds constant
6073         aggregate refs.
6075 2008-03-15  Paul Brook  <paul@codesourcery.com>
6077         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
6078         (extzv): Use gen_extzv_t2.
6079         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
6081 2008-03-15  Richard Guenther  <rguenther@suse.de>
6083         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
6084         (fold_const_aggregate_ref): Likewise.
6085         (get_value): Return NULL if we don't have any values.
6086         (ccp_finalize): Set const_val to NULL after freeing it.
6087         * tree-flow.h (get_symbol_constant_value): Declare.
6088         (fold_const_aggregate_ref): Likewise.
6089         * tree-ssa-sccvn.c (try_to_simplify): Use them.
6091 2008-03-15  Richard Guenther  <rguenther@suse.de>
6093         PR middle-end/35593
6094         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
6095         to not produce negative array indices if not allowed.  Add
6096         parameter to indicate that.
6097         (maybe_fold_offset_to_component_ref): Allow negative array
6098         indices only for the first member of a structure.
6099         (maybe_fold_offset_to_reference): Allow negative array indices.
6100         (maybe_fold_stmt_addition): Likewise.
6102 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
6103             Anatoly Sokolov <aesok@post.ru>
6105         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
6106         (avr_arch): Add ARCH_AVR6.
6107         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
6108         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
6109         instead of fixed value 2.
6110         (print_operand_address): Use gs() asm specifier instead of pm().
6111         (avr_assemble_integer): (Ditto.).
6112         (avr_output_addr_vec_elt): (Ditto.).
6113         (print_operand): Handle "!" code.
6114         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
6115         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
6116         (AVR_HAVE_EIJMP_EICALL): Define.
6117         (AVR_3_BYTE_PC): Redefine.
6118         (AVR_2_BYTE_PC): (Ditto.).
6119         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
6120         (LINK_SPEC): Add atmega2560 and atmega2561.
6121         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
6122         (crtm2561.o).
6123         * config/avr/avr.md (call_insn): Use eicall instead of icall 
6124         for 3 byte PC devices.
6125         (call_value_insn): (Ditto.).
6126         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
6127         (indirect_jump): Use only for for 2 byte PC devices.
6128         (*tablejump): (Ditto.).
6129         (*indirect_jump_avr6): Add insn.
6130         (*tablejump_rjmp): Don't use for 3 byte PC devices.
6131         * config/avr/libgcc.S (__prologue_saves__): Use eijmp 
6132         instead of ijmp for 3 byte PC devices.
6133         (__tablejump2__): (Ditto.).
6134         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
6135         (MULITLIB_DIRNAMES): (Ditto.). 
6136         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
6138 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
6140         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
6141         "sse2_umulsidi3".  Use V1DI mode for operand 0.
6142         ("mmx_psadbw"): Use V1DI mode for operand 0.
6143         * config/i386/i386-modes.def (V1SI): New vector mode.
6144         * config/i386/i386.c (struct builtin_description)
6145         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
6146         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
6147         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
6148         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
6149         v1di_ftype_v8qi_v8qi type.
6150         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
6152         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
6153         __builtin_ia32_pmuludq]: Fix the mode of return value.
6155 2008-03-15  Richard Guenther  <rguenther@suse.de>
6157         PR middle-end/35595
6158         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
6159         being a PHI_NODE.
6161 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
6162         
6163         * doc/invoke.texi (Option Summary, Xtensa Options): Document
6164         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
6165         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
6166         unless TARGET_SERIALIZE_VOLATILE is enabled.
6167         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
6168         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
6169         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
6171 2008-03-14  Richard Guenther  <rguenther@suse.de>
6173         PR tree-optimization/34172
6174         * tree-flow.h (refs_may_alias_p): Declare.
6175         (get_single_def_stmt): Likewise.
6176         (get_single_def_stmt_from_phi): Likewise.
6177         (get_single_def_stmt_with_phi): Likewise.
6178         * tree-dfa.c (refs_may_alias_p): New function.
6179         (get_single_def_stmt): Likewise.
6180         (get_single_def_stmt_from_phi): Likewise.
6181         (get_single_def_stmt_with_phi): Likewise.
6182         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
6183         (vn_reference_lookup_1): New helper function.
6184         (vn_reference_lookup): Walk the virtual use-def chain to
6185         continue searching for a match if the def does not alias the
6186         reference we are looking for.
6188 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
6190         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
6191         archive and Perzl.  Update The Written Word listing.
6193 2008-03-14  Richard Guenther  <rguenther@suse.de>
6195         PR tree-optimization/34043
6196         PR tree-optimization/33989
6197         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
6198         when doing FRE.
6199         (bitmap_find_leader): Use extra argument to verify dominance
6200         relationship inside a basic-block.
6201         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
6202         (find_leader_in_sets): Adjust.
6203         (create_component_ref_by_pieces): Take extra argument for
6204         dominance check, handle lookup failures.
6205         (find_or_generate_expression): Likewise.
6206         (create_expression_by_pieces): Likewise.
6207         (insert_into_preds_of_block): Adjust.
6208         (create_value_expr_from): If asked for, verify all operands
6209         are in the blocks AVAIL_OUT set.
6210         (make_values_for_stmt): Check for SSA_NAMEs that are life
6211         over an abnormal edge.
6212         (compute_avail): Remove such check.
6213         (do_SCCVN_insertion): New function.
6214         (eliminate): If we do not find a leader suitable for replacement
6215         insert a replacement expression from SCCVN if available.
6216         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
6217         (struct vn_ssa_aux): Add needs_insertion flag.
6218         * tree-ssa-sccvn.c (may_insert): New global flag.
6219         (copy_reference_ops_from_ref): Value-number union member access
6220         based on its size, not type and member if insertion is allowed.
6221         (visit_reference_op_load): For a weak match from union type
6222         punning lookup a view-converted value and insert a SSA_NAME
6223         for that value if that is not found.
6224         (visit_use): Make dumps shorter.  Do not disallow value numbering
6225         SSA_NAMEs that are life over an abnormal edge to constants.
6226         (free_scc_vn): Release inserted SSA_NAMEs.
6227         (run_scc_vn): New flag to specify whether insertion is allowed.
6228         Process SSA_NAMEs in forward order.
6229         * tree-ssa-loop-im.c (for_each_index): Handle invariant
6230         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
6231         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
6232         pointer type to/from integral types that do not change the
6233         precision to regular conversions.
6235 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
6237         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
6238         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
6239         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
6240         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
6241         input arguments and the mode of return value.  Built-in functions
6242         that operate on whole 64-bit MMX register now use V1DI mode.
6244 2008-03-13  Alon Dayan  <alond@il.ibm.com>
6245             Olga Golovanevsky  <olga@il.ibm.com>
6247         PR tree-optimization/35041
6248         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
6249         to locate the right position in a statement.
6251 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
6253         PR target/34000
6254         PR target/35553
6255         * config/i386/xmmintrin.h:  Change all static inline functions to
6256         extern inline and add __gnu_inline__ attribute.
6257         * config/i386/bmintrin.h: Ditto.
6258         * config/i386/smmintrin.h: Ditto.
6259         * config/i386/tmmintrin.h: Ditto.
6260         * config/i386/mmintrin-common.h: Ditto.
6261         * config/i386/ammintrin.h: Ditto.
6262         * config/i386/emmintrin.h: Ditto.
6263         * config/i386/pmmintrin.h: Ditto.
6264         * config/i386/mmintrin.h: Ditto.
6265         * config/i386/mm3dnow.h: Ditto.
6267 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
6269         PR middle-end/35185
6270         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
6271         (lower_omp_2): New function.
6272         (lower_omp_1, lower_omp): Rewritten.
6274 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
6276         PR 35054
6277         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
6278         with the phrase "Microsoft Windows compilers".
6279         (Push/Pop Macro Pragmas): New subsection. Document
6280         #pragma push_macro and pragma pop_macro.
6282 2008-03-12  Paul Brook  <paul@codesourcery.com>
6284         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
6286 2008-03-12  Paul Brook  <paul@codesourcery.com>
6288         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
6289         (thumb2_alusi3_short): Exclude PLUS and MINUS.
6290         (thumb2_addsi_shortim): Rename ...
6291         (thumb2_addsi_short): ... to this.  Allow register operands.
6292         (thumb2_subsi_short): New pattern.
6293         (thumb2_one_cmplsi2_short,
6294         thumb2_negsi2_short): New patterns and peepholes.
6296 2008-03-12  Paul Brook  <paul@codesourcery.com>
6298         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
6300 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
6302         * config/i386/i386.md (int_cond): New code iterator.
6303         (fp_cond): Ditto.
6304         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
6305         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
6306         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
6307         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
6308         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
6309         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
6310         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
6311         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
6313 2008-03-12  Paul Brook  <paul@codesourcery.com>
6315         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
6316         instead of {arm,thumb}_compute_save_reg_mask.
6317         (output_return_instruction): Ditto.
6318         (thumb_unexpanded_epilogue): Ditto.
6319         (thumb1_expand_prologue): Ditto.
6320         (thumb1_output_function_prologue): Ditto.
6321         (arm_set_return_address): Ditto.
6322         (thumb_set_return_address): Ditto.
6323         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
6324         regs to achieve stack alignment.
6325         (thumb1_compute_save_reg_mask): Fix compiler warning.
6326         (arm_output_epilogue): Use offsets->saved_regs_mask.
6327         Adjust stack pointer by poping call clobered registers.
6328         (arm_expand_prologue): Use offsets->saved_regs_mask.
6329         Adjust stack pointer by pushing extra registers.
6330         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
6332 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
6334         PR tree-opt/35422
6335         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
6336         conversion to the operands of a multiplication.
6338 2008-03-12  Richard Guenther  <rguenther@suse.de>
6340         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
6341         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
6342         * timevar.def (TV_TREE_PHIPROP): Add.
6343         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
6344         pass description.  Use TV_TREE_PHIPROP.
6345         * tree-ssa-forwprop.c: Remove phiprop code.
6347 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
6349         PR middle-end/35549
6350         * omp-low.c (maybe_lookup_decl): Constify first argument.
6351         (use_pointer_for_field): Change last argument from bool to
6352         omp_context *.  Disallow shared copy-in/out in nested
6353         parallel if decl is shared in outer parallel too.
6354         (build_outer_var_ref, scan_sharing_clauses,
6355         lower_rec_input_clauses, lower_copyprivate_clauses,
6356         lower_send_clauses, lower_send_shared_vars): Adjust callers.
6358 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
6359             Ira Rosen  <irar@il.ibm.com>
6361         * tree-vectorizer.c (free_stmt_vec_info): New function.
6362         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
6363         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
6364         * tree-vectorizer.h (free_stmt_vec_info): Declare.
6365         * tree-vect-transform.c (vectorizable_conversion): Free
6366         vec_oprnds0 if it was allocated.
6367         (vect_permute_store_chain): Remove unused VECs.
6368         (vectorizable_store): Free VECs that are allocated in the..
6369         function.
6370         (vect_transform_strided_load, vectorizable_load): Likewise.
6371         (vect_remove_stores): Simplify the code.
6372         (vect_transform_loop): Move code to vect_remove_stores().
6373         Call vect_remove_stores() and free_stmt_vec_info().
6375 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6377         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
6378         TARGET_HPUX.  Revise comment.
6379         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
6380         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
6381         Use sr4 variant of `be' instruction when not generating PIC code.
6382         (attr_length_call): Adjust for above change.
6384 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6386         * ipa-reference.c (static_execute): Remove module_statics_const and
6387         associated setting code.
6389 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
6391         PR target/35540
6392         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
6393         predicate for operand 1.
6394         (paritysi2_cmp): Use register_operand predicate for operand 2.
6395         Use earlyclobber modifier for operand 1.  Remove support for
6396         memory operands.
6397         (paritydi2_cmp): Use register_operand predicate for operand 3.
6398         Use earlyclobber modifier for operand 1.  Remove support for
6399         memory operands.
6401 2008-03-11  Paul Brook  <paul@codesourcery.com>
6402             Vladimir Prus  <vladimir@codesourcery.com>
6404         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
6405         (arm_compute_save_reg0_reg12_mask): Always
6406         check if register 11 must be saved.  Always safe hard frame pointer
6407         when frame_pointer_needeed.
6408         (arm_compute_save_reg_mask): Save IP and PC
6409         only with apcs frames.
6410         (arm_output_epilogue): Adjust Thumb2 codepath to
6411         be also invoked and work for ARM non-apcs frames.
6412         (arm_expand_prologue): Don't bother saving IP
6413         for non-apcs frame, since it's not clobbered by
6414         prologue code.  Implement non-apcs frame
6415         layout.
6417 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
6419         PR rtl-optimization/35281
6420         * expr.c (convert_move): Use a new pseudo for the intermediate
6421         from_mode->word_mode result.
6423 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
6425         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
6426         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
6427         * toplev.c (compile_file): Don't call it.
6429 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
6431         PR middle-end/35526
6432         * expr.c (store_expr): Call emit_block_move if the mode
6433         of "temp" RTX is BLKmode.
6435 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6436             Richard Guenther  <rguenther@suse.de>
6438         PR tree-optimization/31358
6439         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
6440         the step with a NULL_TREE.
6441         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
6442         to sizetype if type is a pointer type.
6443         (add_candidate_1): Don't convert the base and step to
6444         the generic type if the orginal type is a pointer type.
6445         (add_iv_value_candidates): Use sizetype for the step
6446         if type is a pointer type.
6447         (cand_value_at): Likewise.
6448         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
6449         for pointer types.
6450         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
6451         Don't convert the tem affine to the type.
6452         (add_elt_to_tree): Use sizetype for the step if a pointer.
6453         Use POINTER_PLUS_EXPR for pointers.
6454         (aff_combination_to_tree): Use sizetype for the step if a
6455         pointer.
6457 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
6459         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
6460         Remove commutativity hint.
6462 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
6464         PR c/35438
6465         PR c/35439
6466         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
6467         errorneous type.  Check that v is a VAR_DECL.
6469         PR middle-end/35099
6470         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
6472 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
6474         PR tree-optimization/35494
6475         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
6476         may be overriden at link and run time.
6478 2008-03-10  Richard Guenther  <rguenther@suse.de>
6480         PR tree-optimization/34677
6481         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
6482         (poolify_tree): Likewise.
6483         (modify_expr_template): Likewise.
6484         (poolify_modify_stmt): Likewise.
6485         (insert_fake_stores): Handle all component-ref style stores
6486         in addition to INDIRECT_REF.  Also handle complex types.
6487         Do not poolify the inserted load.
6488         (realify_fake_stores): Do not rebuild the tree but only
6489         make it a SSA_NAME copy.
6490         (init_pre): Remove initialzation of modify_expr_template.
6491         Do not allocate modify_expr_node_pool.
6492         (fini_pre): Do not free modify_expr_node_pool.
6494 2008-03-10  Paul Brook  <paul@codesourcery.com>
6496         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
6497         to avoid conflicts.
6499 2008-03-10  Paul Brook  <paul@codesourcery.com>
6500             Mark Shinwell  <shinwell@codesourcery.com>
6502         * config/arm/cortex-r4.md: New.
6503         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
6504         insn attributes.
6505         * config/arm/arm.md: Include cortex-r4.md.
6506         (insn): Add smmls, sdiv and udiv values.
6507         (generic_sched): Don't use generic scheduling for Cortex-R4.
6508         (arm_issue_rate): New function.
6509         (TARGET_SCHED_ISSUE_RATE): Define.
6511 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
6513         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
6515 2008-03-10  Richard Guenther  <rguenther@suse.de>
6517         * tree-ssa-pre.c (get_sccvn_value): Simplify.
6518         (compute_avail): Do not add stmt uses to AVAIL_OUT.
6520 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
6522         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
6523         Set default to true.
6525 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6527         * c.opt (Wsynth): Deprecate.
6528         * doc/invoke.texi (Option Summary, Warning Options): Document
6529         -Wno-format-contains-nul.
6531 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
6533         PR target/35496
6534         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
6535         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
6537 2008-03-09  Ira Rosen  <irar@il.ibm.com>
6539         * config/rs6000/rs6000.c (builtin_description): Rename vector
6540         left shift operations.
6541         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
6542         (altivec_vsl<VI_char>): Rename to ...
6543         (ashl<mode>3): ... new name.
6544         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
6545         gen_ashlv4si3.
6546         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
6548 2008-03-08  Richard Guenther  <rguenther@suse.de>
6550         * coverage.h (tree_coverage_counter_addr): Declare.
6551         * coverage.c (tree_coverage_counter_addr): New function.
6552         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
6553         before using again.
6554         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
6555         (tree_gen_one_value_profiler): Likewise.
6556         (tree_gen_ic_profiler): Likewise.
6557         (tree_gen_average_profiler): Likewise.
6558         (tree_gen_ior_profiler): Likewise.
6560 2008-03-08  Richard Guenther  <rguenther@suse.de>
6562         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
6563         (vn_binary_op_insert): Likewise.
6564         (vn_unary_op_lookup): Likewise.
6565         (vn_unary_op_insert): Likewise.
6566         (vn_nary_op_lookup): Declare.
6567         (vn_nary_op_insert): Likewise.
6568         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
6569         and binary hashes, use a single obstack for unary_op_pool
6570         and binary_op_pool.
6571         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
6572         a single struct vn_nary_op_s.  Store tree code length and
6573         a variable number of operands.
6574         (struct vn_reference_op_struct): Remove unused op2.
6575         (vn_reference_op_eq): Do not compare op2.
6576         (vn_reference_op_compute_hash): Do not compute hash of op2.
6577         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
6578         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
6579         with vn_nary_op_compute_hash.
6580         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
6581         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
6582         vn_nary_op_lookup.
6583         (vn_unary_op_insert, vn_binary_op_insert): Replace with
6584         vn_nary_op_insert.
6585         (visit_unary_op): Call nary functions.
6586         (visit_binary_op): Likewise.
6587         (process_scc): Adjust for struct vn_tables_s changes.
6588         (allocate_vn_table): Likewise.
6589         (free_vn_table): Likewise.
6590         * tree-vn.c (vn_add): Call nary functions.
6591         (vn_lookup): Likewise.
6593 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
6595         PR target/35498
6596         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
6597         wdst back after sync_compare_and_swapqhi_internal.
6599 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
6601         PR target/22152
6602         * config/i386/i386-modes.def (V1DI): New vector mode.
6603         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
6604         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
6605         (MMXMODE248): Ditto.
6606         (MMXMODE): Add V1DI mode.
6607         (mmxvecsize): Change DI mode to V1DI mode.
6608         ("mov<mode>): Use MMXMODEI8 mode iterator.
6609         ("*mov<mode>_internal_rex64"): Ditto.
6610         ("*mov<mode>_internal"): Ditto.
6611         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
6612         ("mmx_sub<mode>3"): Ditto.
6613         ("mmx_adddi3"): Remove insn pattern.
6614         ("mmx_subdi3"): Ditto.
6615         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
6616         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
6617         ("mmx_ashl<mode>3"): Ditto.
6618         ("mmx_lshrdi3"): Remove insn pattern.
6619         ("mmx_ashldi3"): Ditto.
6620         * config/i386/i386.c (classify_argument): Handle V1DImode.
6621         (function_arg_advance_32): Ditto.
6622         (function_arg_32): Ditto.
6623         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
6624         mmx_addv1di3 insn pattern.
6625         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
6626         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
6627         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
6628         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
6629         Remove definitions of built-in functions.
6630         (V1DI_type_node): New node.
6631         (v1di_ftype_v1di_int): Ditto.
6632         (v1di_ftype_v1di_v1di): Ditto.
6633         (v2si_ftype_v2si_si): Ditto.
6634         (v4hi_ftype_v4hi_di): Remove node.
6635         (v2si_ftype_v2si_di): Ditto.
6636         (ix86_init_mmx_sse_builtins): Handle V1DImode.
6637         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
6638         Redefine builtins using def_builtin_const with *_ftype_*_int node.
6639         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
6640         Add new builtins using def_builtin_const.
6641         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
6642         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
6643         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
6644         * config/i386/mmintrin.h (__v1di): New typedef.
6645         (_mm_add_si64): Cast arguments to __v1di type.
6646         (_mm_sub_si64): Ditto.
6647         (_mm_sll_pi16): Cast __count to __v4hi type.
6648         (_mm_sll_pi32): Cast __count to __v2si type.
6649         (_mm_sll_si64): Cast arguments to __v1di type.
6650         (_mm_srl_pi16): Cast __count to __v4hi type.
6651         (_mm_srl_pi32): Cast __count to __v2si type.
6652         (_mm_srl_si64): Cast arguments to __v1di type.
6653         (_mm_sra_pi16): Cast __count to __v4hi type.
6654         (_mm_sra_pi32): Cast __count to __v2si type.
6655         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
6656         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
6657         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
6658         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
6659         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
6660         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
6661         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
6662         (_mm_srai_pi32): Use __builtin_ia32_psradi.
6663         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
6664         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
6665         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
6666         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
6668 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
6670         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
6672 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
6674         PR target/35373
6675         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
6676         reg+const addressing for Altivec modes.  Don't generate reg+reg
6677         addressing for TFmode or TDmode quantities.
6679 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
6681         * c-common.c (vector_types_convertible_p): Call langhook
6682         instead of comptypes.
6684 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6686         PR tree-opt/35402
6687         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
6688         integral and scalar float variables which have a
6689         NULL DECL_INITIAL.
6691 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
6693         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
6694         dwarf_register_span hook when emitting unwind information for
6695         register-to-memory saves.
6696         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
6697         (rs6000_frame_related): Remove call to spe_synthesize_frame.
6699 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
6701         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
6702         for the same VAR_DECL.
6704 2008-03-06  Tom Tromey  <tromey@redhat.com>
6706         * treelang: Delete.
6707         * doc/standards.texi (Standards): Don't mention treelang.
6708         * doc/invoke.texi (Overall Options): Don't mention treelang.
6709         * doc/install.texi (Prerequisites): Don't mention bison or
6710         treelang.
6711         (Configuration): Don't mention treelang.
6712         (Building): Likewise.
6713         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
6715 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
6717         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
6718         word-extractions out of a multi-word object.
6720 2008-03-06  Richard Guenther  <rguenther@suse.de>
6722         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
6723         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
6724         result type and precision.
6725         * expr.c (get_inner_reference): Set unsignedp based on the result
6726         type of BIT_FIELD_REF.
6727         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
6728         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
6729         (try_instantiate_multiple_fields): Likewise.  Use the correct type
6730         for BIT_FIELD_REF.
6731         (sra_build_assignment): Likewise.
6732         (sra_build_elt_assignment): Likewise.
6733         (sra_explode_bitfield_assignment): Likewise.
6734         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
6735         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
6736         set BIT_FIELD_REF_UNSIGNED.
6737         (vectorizable_load): Likewise.
6739 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6741         * cse.c (cse_extended_basic_block): Invalidate artificial defs
6742         at bb start.
6744 2008-03-06  Richard Guenther  <rguenther@suse.de>
6746         * alias.c (struct alias_set_entry): Move has_zero_child field
6747         to pack with alias_set.
6749 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
6751         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
6752         32bit host.
6754 2008-03-05  Ian Lance Taylor  <iant@google.com>
6756         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
6758 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
6760         * fwprop.c (update_df): Support width and offset parameters of
6761         df_ref_create.
6762         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
6763         global_conflicts): Change DF_REF_EXTRACT to either
6764         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
6765         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
6766         * df-scan.c (df_ref_record, df_defs_record,
6767         df_ref_create_structure, df_def_record_1, df_uses_record,
6768         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
6769         df_bb_refs_collect, df_entry_block_defs_collect,
6770         df_exit_block_uses_collect): Support new width and offset fields.
6771         (ref_extract_pool): New storage pool.
6772         (df_free_ref): New function.
6773         (df_reg_chain_unlink, df_free_collection_rec,
6774         df_sort_and_compress_refs): Call df_free_ref.
6775         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
6776         of df_ref_extract.
6777         (df_ref_create_structure): Allocate df_ref_extract if offset and
6778         width fields are used.
6779         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
6780         (df_uses_record): Get offset and width from ZERO_EXTRACT 
6781         and SIGN_EXTRACT.
6782         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
6783         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
6784         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
6785         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
6786         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
6787         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
6788         (df_ref_extract): New structure.
6789         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
6790         (df_ref_create): Add width and offset parameters.
6791         
6792 2008-03-05  Richard Guenther  <rguenther@suse.de>
6794         * tree-ssa-structalias.c (get_constraint_for_component_ref):
6795         Use ranges_overlap_p.
6796         (offset_overlaps_with_access): Rename
6797         to ranges_overlap_p and move ...
6798         * tree-flow-inline.h (ranges_overlap_p): ... here.
6800         * tree.h (get_inner_reference, handled_component_p): Update
6801         comments.
6803         * tree.h (record_component_aliases, get_alias_set,
6804         alias_sets_conflict_p, alias_sets_must_conflict_p,
6805         objects_must_conflict_p): Move declarations ...
6806         * alias.h (record_component_aliases, get_alias_set,
6807         alias_sets_conflict_p, alias_sets_must_conflict_p,
6808         objects_must_conflict_p): ... here.
6809         Include coretypes.h.
6810         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
6812 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
6814         * cfg.c: Include tree-flow.h.
6815         (remove_edge_raw): Call redirect_edge_var_map_clear.
6816         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
6817         * tree-flow-inline.h (redirect_edge_var_map_def): New.
6818         (redirect_edge_var_map_result): New.
6819         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
6820         PENDING_STMT use with redirect_edge_var_map_*.
6821         * tree-ssa.c (edge_var_maps): New definition.
6822         (redirect_edge_var_map_add): New.
6823         (redirect_edge_var_map_clear): New.
6824         (redirect_edge_var_map_dup): New.
6825         (redirect_edge_var_map_vector): New.
6826         (redirect_edge_var_map_destroy): New.
6827         (ssa_redirect_edge): Replace PENDING_STMT use with
6828         redirect_edge_var_map_*.
6829         (flush_pending_stmts): Same.
6830         (delete_tree_ssa): Destroy edge var map.
6831         * tree-flow.h (struct _edge_var_map): New.
6832         Define edge_var_map vector type.
6833         Declare redirect_edge_var_map_* prototypes.
6834         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
6835         * tree-cfg.c (reinstall_phi_args): Replace
6836         PENDING_STMT use with redirect_edge_var_map_*.
6838 2008-03-05  Richard Guenther  <rguenther@suse.de>
6840         PR tree-optimization/35472
6841         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
6842         whose single use_stmt has a overlapping set of loaded and
6843         stored symbols as that use_stmt might be a noop assignment then.
6845 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
6847         * gthr-rtems.h: Implement __gthread_mutex_destroy.
6849 2008-03-05  Richard Guenther  <rguenther@suse.de>
6851         PR c++/35336
6852         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
6853         should be constants.
6854         * tree-cfg.c (verify_expr): Verify it.
6855         * fold-const.c (fold_truthop): Remove code generating
6856         BIT_FIELD_REFs of structure bases.
6857         (fold_binary): Likewise.
6858         (fold_ternary): Position and size of BIT_FIELD_REFs are
6859         always host integers.
6860         (make_bit_field_ref): Remove.
6861         (optimize_bit_field_compare): Remove.
6862         (all_ones_mask_p): Remove.
6864 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
6866         PR gcc/33009
6867         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
6868         (split_block_and_df_analyze): New. Split basic block and rebuild
6869         dataflow.
6870         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
6871         SPLIT_BLOCK.
6872         (split_pattern_seq): Likewise.
6873         (erase_matching_seqs): Likewise.
6874         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
6876 2008-03-04  Geoff Keating  <geoffk@apple.com>
6878         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
6879         declaration and code.
6880         (tree_invalid_nonnegative_warnv_p): Likewise.
6882 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
6884         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
6885         examples.  Truncate option-names then causing overfull hbox.
6887 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6889         PR target/35222
6890         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
6891         on hpux10.
6892         * configure: Rebuilt.
6894 2008-03-04  Rafael Espindola  <espindola@google.com>
6896         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
6897         (tree_unary_nonnegative_warnv_p): New.
6898         (tree_binary_nonnegative_warnv_p): New.
6899         (tree_single_nonnegative_warnv_p): New.
6900         (tree_invalid_nonnegative_warnv_p): New.
6901         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
6903 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6905         PR 28322
6906         * opts.c (handle_option): Postpone 'unknown option' errors only for
6907         warning options.
6909 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
6911         PR target/35453
6912         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
6913         (_SIDD_XXX): This.
6915 2008-03-04  Rafael Espindola  <espindola@google.com>
6917         * fold-const.c (tree_unary_nonzero_warnv_p): New.
6918         (tree_binary_nonzero_warnv_p): New.
6919         (tree_single_nonzero_warnv_p): New.
6920         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
6922 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
6924         PR middle-end/35456
6925         * fold-const.c (fold_cond_expr_with_comparison): Prevent
6926         transformations for modes that have signed zeros.
6927         * ifcvt.c (noce_try_abs): Ditto.
6929 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
6931         * config/i386/i386.c (override_options): Force
6932         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
6934 2008-03-04  Jan Hubicka  <jh@suse.cz>
6936         PR c++/35262
6937         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
6938         in last commit.
6940 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
6942         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
6943         label to probe the stack.
6945 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
6947         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
6948         (__gthr_win32_mutex_destroy): Declare.
6949         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
6950         __gthr_win32_mutex_destroy.
6951         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
6953 2008-03-03  Jan Hubicka  <jh@suse.cz>
6955         PR c++/35262
6956         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
6957         aggressive on inlining cold calls.
6959 2008-03-03  Richard Guenther  <rguenther@suse.de>
6961         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
6962         struct copies into the expression table.
6963         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
6964         (try_to_simplify): Likewise.
6965         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
6966         integral and pointer arguments which do not change the
6967         precision to NOP_EXPRs.
6968         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
6969         VIEW_CONVERT_EXPR case.
6971 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
6973         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
6974         defined in a loop at depth 0 is invariant.
6975         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
6976         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
6977         be called at loop depth 0.
6979 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
6981         PR driver/35420
6982         * gcc.c (process_command): Update copyright notice dates.
6983         * gcov.c (print_version): Likewise.
6984         * gcov-dump.c (print_version): Likewise.
6985         * mips-tfile.c (main): Likewise.
6986         * mips-tdump.c (main): Likewise.
6988 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6990         PR 24924
6991         * c-common.c (flag_permissive): Delete.
6992         (constant_expression_warnings): Check flags first.
6993         (constant_expression_error): New.
6994         * c-common.h (flag_permissive): Delete.
6995         (constant_expression_error): Declare.
6996         * flags.h (flag_permissive): Declare. Update description.
6997         * diagnostic.c (pedwarn): Update.
6998         (permerror): New.
6999         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
7000         (permissive_error_kind): New.
7001         * toplev.c (flag_permissive): Define. Update description.
7002         * toplev.h (permissive_error_kind): Declare.
7003         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
7004         (pedwarn_c90): Use pedantic_warning_kind.
7005         * c-opts.c (c_common_post_options): flag_permissive does not affect
7006         flag_pedantic_errors.
7008 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
7010         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
7011         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
7012         __absvsi2, __absvDI2): Use unsigned arithmetic.
7014 2008-03-02  Andi Kleen  <ak@suse.de>
7015             Richard Guenther  <rguenther@suse.de>
7017         * struct-equiv.c: Remove file.
7018         * cfg_cleanup.c (condjump_equiv_p): Remove.
7019         * Makefile.in (OBJS-common): Remove struct-equiv.o.
7020         (struct-equiv.o): Remove rule.
7021         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
7022         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
7023         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
7025 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
7027         * ifcvt.c (noce_process_if_block): Try to handle only the then
7028         block if the else block exists but isn't suitable.
7030 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
7032         PR gcc/35063
7033         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
7034         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
7035         regression from previous patch.
7037 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
7039         PR gcc/35063
7040         * gthr.h: Add __gthread_mutex_destroy as a function that must be
7041         implemented.
7042         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
7043         * gthr-single.h (__gthread_mutex_destroy): Likewise.
7044         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
7045         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
7046         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
7047         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
7048         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
7049         (__gthread_mutex_destroy_function): Rename to
7050         __gthread_mutex_destroy.
7051         * gthr-dce.h (__gthread_mutex_destroy): Call
7052         pthread_mutex_destroy.
7053         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
7054         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
7055         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
7057 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
7059         * df-scan.c (df_ref_chain_change_bb): Simplify.
7060         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
7061         set_block_for_insn if there's any change.
7062         * df.h ((df_insn_change_bb): Fix prototype.
7063         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
7064         df_insn_change_bb, don't call set_block_for_insn.
7065         * emit-rtl.c (reorder_insns): Likewise.
7066         * haifa-sched.c (move_insn): Likewise.
7068 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
7070         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
7072 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
7074         * tree-flow-inline.h (next_readonly_imm_use): Return
7075         NULL_USE_OPERAND_P after the end.
7077 2008-03-01  Richard Guenther  <rguenther@suse.de>
7079         PR tree-optimization/35411
7080         * tree-sra.c (sra_build_assignment): Split conversion to
7081         final type to a separate statement if we are not assigning
7082         to a register.
7084 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
7086         * fold-const.c (fold_convertible_p): Correct the logic to follow
7087         that in fold_convert().
7089 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
7091         PR c++/35315
7092         * tree-inline.c (build_duplicate_type): When we make a
7093         duplicate type, make it unique in the canonical types system.
7095 2008-02-29  Tom Tromey  <tromey@redhat.com>
7097         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
7098         input_file_stack_history, input_file_stack_restored): Remove.
7099         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
7100         * input.h (struct file_stack): Remove.
7101         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
7102         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
7103         Likewise.
7104         * diagnostic.h (struct diagnostic_context) <last_module>: Change
7105         type.
7106         (diagnostic_last_module_changed): Add 'map' argument.
7107         (diagnostic_set_last_function): Likewise.
7108         * diagnostic.c (undiagnostic_report_current_module): Iterate using
7109         line map, not input_file_stack.
7110         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
7112 2008-02-29  Paul Brook  <paul@codesourcery.com>
7114         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
7116 2008-02-29  Paul Brook  <paul@codesourcery.com>
7118         * config/arm/ieee754-df.S (muldf3): Use RET macros.
7120 2008-02-29  Richard Guenther  <rguenther@suse.de>
7122         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
7123         vn_lookup_or_add.
7124         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
7125         value for comparing for a store match.
7126         (simplify_unary_expression): Do nothing for SSA_NAMEs.
7127         (try_to_simplify): Do not do a full-blown reference lookup.
7129 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
7131         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
7132         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
7134         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
7136 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
7138         * tree-loop-linear.c (try_interchange_loops): Compare memory access
7139         strides against cache sizes.
7141 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
7143         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
7144         constant to fpul.
7146 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
7148         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
7149         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
7150         is smaller than the original promoted value.
7151         (simplify_subreg): If OP is a SUBREG, try to preserve its
7152         SUBREG_PROMOTED_VAR_P information.
7154 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
7156         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
7157         (VN_INFO_GET): Allocate new objects on the obstack.
7158         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
7159         for rpo_numbers_temp, for consistency.
7160         (free_scc_vn): Free the obstack.
7162 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
7164         * doc/invoke.texi: Document -ftree-loop-distribution.
7165         * tree-loop-distribution.c: New.
7166         * tree-pass.h (pass_loop_distribution): New.
7167         * graphds.h (struct graph): Add htab_t indices.
7168         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
7169         * tree-vectorizer.c (rename_variables_in_loop): Extern.
7170         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
7171         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
7172         * tree-data-ref.c (debug_data_dependence_relations): New.
7173         (dump_data_dependence_relation): Also print data references.
7174         (free_data_ref): Extern.
7175         (same_access_functions): Moved...
7176         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
7177         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
7178         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
7179         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
7180         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
7181         (stmts_from_loop): Skip LABEL_EXPR.
7182         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
7183         New.
7184         (build_rdg): Initialize rdg->indices htab.
7185         (free_rdg, stores_from_loop, ref_base_address,
7186         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
7187         have_similar_memory_accesses_1, ref_base_address_1,
7188         remove_similar_memory_refs): New.
7189         * tree-data-ref.h: Depend on tree-chrec.h.
7190         (debug_data_dependence_relations, free_data_ref): Declared.
7191         (same_access_functions): ... here.
7192         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
7193         New.
7194         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
7195         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
7196         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
7197         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
7198         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
7199         rdg_vertex_for_stmt): Declared.
7200         (struct rdg_edge): Add level.
7201         (RDGE_LEVEL): New.
7202         (free_rdg, stores_from_loop, remove_similar_memory_refs,
7203         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
7204         Declared.
7205         (rdg_has_similar_memory_accesses): New.
7206         * tree-vect-analyze.c: Remove unused static decls.
7207         * lambda.h (dependence_level): New.
7208         * common.opt (ftree-loop-distribution): New.
7209         * tree-flow.h (mark_virtual_ops_in_bb, 
7210         slpeel_tree_duplicate_loop_to_edge_cfg,
7211         rename_variables_in_loop): Declared.
7212         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
7213         (OBJS-common): Add tree-loop-distribution.o.
7214         (tree-loop-distribution.o): New rule.
7215         * tree-cfg.c (mark_virtual_ops_in_bb): New.
7216         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
7217         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
7219 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
7221         PR target/33963
7222         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
7223         other than structures and unions.
7225 2008-02-28  Richard Guenther  <rguenther@suse.de>
7227         Revert:
7228         2008-02-26  Richard Guenther  <rguenther@suse.de>
7230         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7231         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7232         (lookup_decl_from_uid): Declare.
7233         (remove_decl_from_map): Likewise.
7234         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7235         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7236         (decl_for_uid_map): New global hashtable mapping DECL_UID
7237         to the decl tree.
7238         (init_ttree): Allocate it.
7239         (insert_decl_to_uid_decl_map): New helper function.
7240         (make_node_stat): Insert new decls into the map.
7241         (copy_node_stat): Likewise.
7242         (lookup_decl_from_uid): New function.
7243         (remove_decl_from_map): Likewise.
7244         (print_decl_for_uid_map_statistics): New helper.
7245         (dump_tree_statistics): Call it.
7247         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7248         (referenced_var_iterator): Adjust.
7249         (FOR_EACH_REFERENCED_VAR): Adjust.
7250         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7251         (num_referenced_vars): Adjust.
7252         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7253         (first_referenced_var): Remove.
7254         (end_referenced_vars_p): Likewise.
7255         (next_referenced_var): Likewise.
7256         (referenced_var_iterator_set): New helper function.
7257         * tree-dfa.c (referenced_var_lookup): Adjust.
7258         (referenced_var_check_and_insert): Likewise.
7259         (remove_referenced_var): Likewise.
7260         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7261         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7262         (verify_call_clobbering): Likewise.
7263         (verify_memory_partitions): Likewise.
7264         (init_tree_ssa): Allocate bitmap instead of hashtable for
7265         referenced_vars.
7266         (delete_tree_ssa): Adjust.
7267         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7268         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7269         (compute_tag_properties): Likewise.
7270         (set_initial_properties): Likewise.
7271         (find_partition_for): Likewise.
7272         (update_reference_counts): Likewise.
7273         (dump_may_aliases_for): Likewise.
7274         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7275         (add_call_clobber_ops): Likewise.
7276         (add_call_read_ops): Likewise.
7277         (get_asm_expr_operands): Likewise.
7278         * tree-into-ssa.c (dump_decl_set): Likewise.
7279         (update_ssa): Likewise.
7280         * tree-sra.c (scan_function): Likewise.
7281         (decide_instantiations): Likewise.
7282         (scalarize_parms): Likewise.
7283         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7284         (dsa_named_for): Likewise.
7285         * tree-ssa-structalias.c (update_alias_info): Likewise.
7286         (merge_smts_into): Likewise.
7288 2008-02-27  David Daney  <ddaney@avtrex.com>
7290         PR target/34409
7291         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
7292         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
7293         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
7294         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
7295         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
7297 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
7299         PR target/25477
7300         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
7301         (BUILT_IN_NEXTTOWARD): Remove.
7302         (BUILT_IN_NEXTTOWARDF): Ditto.
7303         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
7304         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
7306 2008-02-27  Tom Tromey  <tromey@redhat.com>
7308         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
7309         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
7311 2008-02-27  Jan Beulich  <jbeulich@novell.com>
7313         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
7314         update the respective field on newdecl.
7316 2008-02-27  Revital Eres  <eres@il.ibm.com>
7318         PR rtl-optimization/34999
7319         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
7320         crossing edges that ends with a call insn.
7321         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
7322         call insn and clear the EDGE_CROSSING flag of the crossing edge
7323         when fixing fallthru edges.
7325 2008-02-27  Richard Guenther  <rguenther@suse.de>
7327         PR middle-end/35390
7328         * fold-const.c (fold_unary): Return the correct argument,
7329         converted to the result type.
7331 2008-02-27  Richard Guenther  <rguenther@suse.de>
7333         PR middle-end/34971
7334         * expr.c (expand_expr_real_1): Assert on rotates that operate
7335         on partial modes.
7336         * fold-const.c (fold_binary): Use the types precision, not the
7337         bitsize of the mode if folding rotate expressions.  Build rotates
7338         only for full modes.
7340 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
7342         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
7343         and CPP_PRAGMA_EOL.
7344         * c-pragma.c (pragma_ns_name): New typedef.
7345         (registered_pp_pragmas): New variable.
7346         (c_pp_lookup_pragma): New function.
7347         (c_register_pragma_1): If flag_preprocess_only, do nothing
7348         for non-expanded pragmas, for expanded ones push pragma's
7349         namespace and name into registered_pp_pragmas vector.
7350         (c_invoke_pragma_handler): Register OpenMP pragmas even when
7351         flag_preprocess_only, don't register GCC pch_preprocess
7352         pragma if flag_preprocess_only.
7353         * c-opts.c (c_common_init): Call init_pragma even if
7354         flag_preprocess_only.
7355         * c-pragma.c (c_pp_lookup_pragma): New prototype.
7356         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
7357         cpp_register_pragma if flag_preprocess_only.
7359 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7361         PR c/28800
7362         * c-parser.c (c_parser_translation_unit): Warn for empty
7363         translation unit, not empty source file.
7365 2008-02-26  Paul Brook  <paul@codesourcery.com>
7367         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
7368         operand for Thumb-2.
7369         * config/arm/arm.h (reg_class): Add CORE_REGS.
7370         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
7371         (BASE_REG_CLASS): Use CORE_REGS.
7372         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
7373         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
7374         (REGNO_OK_FOR_INDEX_P): Exclude SP.
7375         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
7376         ARM_REGNO_OK_FOR_INDEX_P.
7377         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
7378         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
7379         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
7380         (ldm/stm peepholes): Ditto.
7381         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
7382         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
7383         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
7384         * config/arm/constraints.md: Enable "k" constraint on ARM.
7386 2008-02-27  Ben Elliston  <bje@au.ibm.com>
7388         * config/rs6000/rs6000.c: Annotate cache line size field in all
7389         instances of struct processor_costs.
7391 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
7393         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
7394         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
7395         jump_bypass): New counters.
7396         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
7397         * dce.c (gate_ud_dce): Same.
7398         (gate_fast_dce): Same.
7399         * dse.c (gate_dse1): New function.
7400         (gate_dse2): New function.
7401         (gate_dse): Merge results of new gate functions.
7402         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
7403         (gate_handle_jump_bypass): Add dbg_cnt.
7404         (gate_handle_gcse): Add dbg_cnt.
7405         * ifcvt.c (gate_handle_if_conversion): Same.
7406         (gate_handle_if_after_combine): Same.
7407         (gate_handle_if_after_reload): Same.
7408         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
7410 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
7412         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
7413         line sizes.
7414         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
7416 2008-02-26  Jason Merrill  <jason@redhat.com>
7418         PR c++/35315
7419         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
7420         alone if it's the naming decl for the type's main variant.
7422 2008-02-26  Tom Tromey  <tromey@redhat.com>
7424         * system.h (USE_MAPPED_LOCATION): Poison.
7425         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
7426         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
7427         (make_goto_expr_edges): Likewise.
7428         (remove_bb): Likewise.
7429         (execute_warn_function_return): Likewise.
7430         * basic-block.h (struct edge_def) <goto_locus>: Change type to
7431         location_t.
7432         * c-common.c (fname_decl): Remove old location code.
7433         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
7434         location code.
7435         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
7436         variant.
7437         (ASM_INPUT_SOURCE_LOCATION): Likewise.
7438         (gen_rtx_ASM_INPUT): Likewise.
7439         (gen_rtx_ASM_INPUT_loc): Likewise.
7440         (get_rtx_asm_OPERANDS): Remove.
7441         * cfglayout.c (insn_locators_alloc): Remove old location code.
7442         (set_curr_insn_source_location): Likewise.
7443         (curr_insn_locator): Likewise.
7444         * print-tree.c (print_node): Remove old location code.
7445         * tree-mudflap.c (mf_varname_tree): Remove old location code.
7446         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
7447         * cfgexpand.c (expand_gimple_cond_expr): Don't use
7448         location_from_locus.
7449         (construct_exit_block): Remove old location code.
7450         * emit-rtl.c (force_next_line_note): Remove old location code.
7451         * profile.c (branch_prob): Remove old location code.
7452         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
7453         LOC_LINE): Remove old-location variants.
7454         * langhooks.c (lhd_print_error_function): Remove old location
7455         code.
7456         * configure, config.in: Rebuilt.
7457         * configure.ac (--enable-mapped-location): Remove.
7458         * c-decl.c (c_init_decl_processing): Remove old location code.
7459         (finish_function): Likewise.
7460         * recog.c (decode_asm_operands): Remove old location code.
7461         * c-pch.c (c_common_read_pch): Remove old location code.
7462         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
7463         variants.
7464         * gimple-low.c (lower_function_body): Remove old location code.
7465         * toplev.c (unknown_location): Remove.
7466         (push_srcloc): Remove old-location variant.
7467         (process_options): Remove old location code.
7468         (lang_dependent_init): Likewise.
7469         * input.h (UNKNOWN_LOCATION): Move definition.
7470         (location_t): Undeprecate.
7471         (source_locus): Remove.
7472         (location_from_locus): Remove.
7473         (struct location_s): Remove.
7474         Remove all old-location code.
7475         (input_line, input_filename): Remove.
7476         * final.c (final_scan_insn): Remove old location code.
7477         * diagnostic.c (diagnostic_build_prefix): Remove
7478         USE_MAPPED_LOCATION test.
7479         * tree.h (gimple_stmt) <locus>: Now a location_t.
7480         (tree_exp) <locus>: Likewise.
7481         (DECL_IS_BUILTIN): Remove old-location variant.
7482         (annotate_with_file_line, annotate_with_locus): Likewise.
7483         (expr_locus, set_expr_locus): Update.
7484         * tree.c (build1_stat): Remove old location code.
7485         (last_annotated_node): Remove.
7486         (annotate_with_file_line): Remove old-location variant.
7487         (annotate_with_locus): Likewise.
7488         (expr_location): Remove old location code.
7489         (set_expr_location): Likewise.
7490         (expr_has_location): Likewise.
7491         (expr_locus): Likewise.
7492         (set_expr_locus): Likewise.
7493         (expr_filename): Don't use location_from_locus.
7494         (expr_lineno): Likewise.
7495         * rtl-error.c (location_for_asm): Remove old location code.
7496         * c-lex.c (cb_line_change): Remove old location code.
7497         (fe_file_change): Likewise.
7498         (cb_def_pragma): Likewise.
7499         (c_lex_with_flags): Likewise.
7500         * gengtype.c (do_typedef): Don't special-case location types.
7501         (define_location_structures): Remove.
7502         (main): Don't call define_location_structures.
7503         * tree-pretty-print.c (dump_implicit_edges): Remove old location
7504         code.
7506 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7508         PR 26264
7509         * builtins.def (BUILT_IN_STDARG_START): Remove.
7510         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
7511         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
7512         * tree-inline.c (inline_forbidden_p_1): Likewise.
7513         
7514 2008-02-26  Richard Guenther  <rguenther@suse.de>
7516         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7517         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7518         (lookup_decl_from_uid): Declare.
7519         (remove_decl_from_map): Likewise.
7520         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7521         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7522         (decl_for_uid_map): New global hashtable mapping DECL_UID
7523         to the decl tree.
7524         (init_ttree): Allocate it.
7525         (insert_decl_to_uid_decl_map): New helper function.
7526         (make_node_stat): Insert new decls into the map.
7527         (copy_node_stat): Likewise.
7528         (lookup_decl_from_uid): New function.
7529         (remove_decl_from_map): Likewise.
7530         (print_decl_for_uid_map_statistics): New helper.
7531         (dump_tree_statistics): Call it.
7533         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7534         (referenced_var_iterator): Adjust.
7535         (FOR_EACH_REFERENCED_VAR): Adjust.
7536         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7537         (num_referenced_vars): Adjust.
7538         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7539         (first_referenced_var): Remove.
7540         (end_referenced_vars_p): Likewise.
7541         (next_referenced_var): Likewise.
7542         (referenced_var_iterator_set): New helper function.
7543         * tree-dfa.c (referenced_var_lookup): Adjust.
7544         (referenced_var_check_and_insert): Likewise.
7545         (remove_referenced_var): Likewise.
7546         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7547         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7548         (verify_call_clobbering): Likewise.
7549         (verify_memory_partitions): Likewise.
7550         (init_tree_ssa): Allocate bitmap instead of hashtable for
7551         referenced_vars.
7552         (delete_tree_ssa): Adjust.
7553         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7554         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7555         (compute_tag_properties): Likewise.
7556         (set_initial_properties): Likewise.
7557         (find_partition_for): Likewise.
7558         (update_reference_counts): Likewise.
7559         (dump_may_aliases_for): Likewise.
7560         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7561         (add_call_clobber_ops): Likewise.
7562         (add_call_read_ops): Likewise.
7563         (get_asm_expr_operands): Likewise.
7564         * tree-into-ssa.c (dump_decl_set): Likewise.
7565         (update_ssa): Likewise.
7566         * tree-sra.c (scan_function): Likewise.
7567         (decide_instantiations): Likewise.
7568         (scalarize_parms): Likewise.
7569         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7570         (dsa_named_for): Likewise.
7571         * tree-ssa-structalias.c (update_alias_info): Likewise.
7572         (merge_smts_into): Likewise.
7574 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7576         PR 34351
7577         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
7578         * c-opts.c (c_common_handle_option): Wall enables
7579         Wvolatile-register-var.
7580         * common.opt: Move Wvolatile-register-var to...
7581         * c.opt: ...here.
7582         
7583 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7585         * common.opt (Wlarger-than=): New.
7586         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
7587         -Wlarger-than=.
7588         * opts.c (common_handle_option): Handle -Wlarger-than=.
7589         * optc-gen.awk: Likewise.
7590         * opth-gen.awk: Likewise.
7591         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
7592         * tree-optimize.c (tree_rest_of_compilation): Likewise.
7593         
7594 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7596         * c-common.c (match_case_to_enum_1): Add appropriate
7597         OPT_W* parameter to warning.
7598         (c_do_switch_warnings): Likewise.
7599         * c-typeck.c (warning_init): Add one more parameter following
7600         'warning' function.
7601         (push_init_level): Update call to warning_init.
7602         (pop_init_level): Likewise.
7603         (add_pending_init): Likewise.
7604         (output_init_element: Likewise.
7606 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7608         PR 28322
7609         * toplev.c (toplev_main): If there are warnings or error, print
7610         errors for ignored options.
7611         * opts.c (ignored_options): New static variable.
7612         (postpone_unknown_option_error): New.
7613         (print_ignored_options): New.
7614         (handle_option): Postpone errors for unknown -Wno-* options.
7615         * opts.h (print_ignored_options): Declare.
7616         
7617 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
7619         * config/mips/mips.md (loadgp_blockage, blockage): Change type
7620         to "ghost".
7622 2008-02-25  Richard Guenther  <rguenther@suse.de>
7624         Revert:
7625         2008-02-25  Richard Guenther  <rguenther@suse.de>
7627         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7628         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7629         (lookup_decl_from_uid): Declare.
7630         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7631         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7632         (decl_for_uid_map): New global hashtable mapping DECL_UID
7633         to the decl tree.
7634         (init_ttree): Allocate it.
7635         (insert_decl_to_uid_decl_map): New helper function.
7636         (make_node_stat): Insert new decls into the map.
7637         (copy_node_stat): Likewise.
7638         (lookup_decl_from_uid): New function.
7639         (print_decl_for_uid_map_statistics): New helper.
7640         (dump_tree_statistics): Call it.
7642         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7643         (referenced_var_iterator): Adjust.
7644         (FOR_EACH_REFERENCED_VAR): Adjust.
7645         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7646         (num_referenced_vars): Adjust.
7647         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7648         (first_referenced_var): Remove.
7649         (end_referenced_vars_p): Likewise.
7650         (next_referenced_var): Likewise.
7651         (referenced_var_iterator_set): New helper function.
7652         * tree-dfa.c (referenced_var_lookup): Adjust.
7653         (referenced_var_check_and_insert): Likewise.
7654         (remove_referenced_var): Likewise.
7655         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7656         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7657         (verify_call_clobbering): Likewise.
7658         (verify_memory_partitions): Likewise.
7659         (init_tree_ssa): Allocate bitmap instead of hashtable for
7660         referenced_vars.
7661         (delete_tree_ssa): Adjust.
7662         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7663         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7664         (compute_tag_properties): Likewise.
7665         (set_initial_properties): Likewise.
7666         (find_partition_for): Likewise.
7667         (update_reference_counts): Likewise.
7668         (dump_may_aliases_for): Likewise.
7669         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7670         (add_call_clobber_ops): Likewise.
7671         (add_call_read_ops): Likewise.
7672         (get_asm_expr_operands): Likewise.
7673         * tree-into-ssa.c (dump_decl_set): Likewise.
7674         (update_ssa): Likewise.
7675         * tree-sra.c (scan_function): Likewise.
7676         (decide_instantiations): Likewise.
7677         (scalarize_parms): Likewise.
7678         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7679         (dsa_named_for): Likewise.
7680         * tree-ssa-structalias.c (update_alias_info): Likewise.
7681         (merge_smts_into): Likewise.
7683 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
7685         PR fortran/29549
7686         * doc/invoke.texi (-fcx-limited-range): Document new option.
7687         * toplev.c (process_options): Handle -fcx-fortran-rules.
7688         * common.opt: Add documentation for -fcx-fortran-rules.
7690 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
7692         PR c/35162
7693         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
7694         actual behaviour and C99.
7695         
7696 2008-02-26  Ben Elliston  <bje@au.ibm.com>
7698         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
7699         (ASM_CPU_POWER6_SPEC): Likewise.
7700         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
7701         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
7702         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
7704 2008-02-25  Richard Guenther  <rguenther@suse.de>
7706         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7707         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7708         (lookup_decl_from_uid): Declare.
7709         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7710         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7711         (decl_for_uid_map): New global hashtable mapping DECL_UID
7712         to the decl tree.
7713         (init_ttree): Allocate it.
7714         (insert_decl_to_uid_decl_map): New helper function.
7715         (make_node_stat): Insert new decls into the map.
7716         (copy_node_stat): Likewise.
7717         (lookup_decl_from_uid): New function.
7718         (print_decl_for_uid_map_statistics): New helper.
7719         (dump_tree_statistics): Call it.
7721         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7722         (referenced_var_iterator): Adjust.
7723         (FOR_EACH_REFERENCED_VAR): Adjust.
7724         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7725         (num_referenced_vars): Adjust.
7726         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7727         (first_referenced_var): Remove.
7728         (end_referenced_vars_p): Likewise.
7729         (next_referenced_var): Likewise.
7730         (referenced_var_iterator_set): New helper function.
7731         * tree-dfa.c (referenced_var_lookup): Adjust.
7732         (referenced_var_check_and_insert): Likewise.
7733         (remove_referenced_var): Likewise.
7734         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7735         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7736         (verify_call_clobbering): Likewise.
7737         (verify_memory_partitions): Likewise.
7738         (init_tree_ssa): Allocate bitmap instead of hashtable for
7739         referenced_vars.
7740         (delete_tree_ssa): Adjust.
7741         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7742         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7743         (compute_tag_properties): Likewise.
7744         (set_initial_properties): Likewise.
7745         (find_partition_for): Likewise.
7746         (update_reference_counts): Likewise.
7747         (dump_may_aliases_for): Likewise.
7748         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7749         (add_call_clobber_ops): Likewise.
7750         (add_call_read_ops): Likewise.
7751         (get_asm_expr_operands): Likewise.
7752         * tree-into-ssa.c (dump_decl_set): Likewise.
7753         (update_ssa): Likewise.
7754         * tree-sra.c (scan_function): Likewise.
7755         (decide_instantiations): Likewise.
7756         (scalarize_parms): Likewise.
7757         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7758         (dsa_named_for): Likewise.
7759         * tree-ssa-structalias.c (update_alias_info): Likewise.
7760         (merge_smts_into): Likewise.
7762 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
7764         PR target/35258
7765         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
7766         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
7767         * alias.h (nonoverlapping_memrefs_p): Likewise.
7769 2008-02-25  Jan Beulich  <jbeulich@novell.com>
7771         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
7772         * config/i386/netware-libgcc.exp: Add __bswap?i2,
7773         __emultls_get_address, __emultls_register_common,
7774         __floatundi?f, and _Unwind_GetIPInfo.
7775         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
7776         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
7777         (gen_regparm_prefix): Likewise.
7778         (i386_nlm_encode_section_info): Sync with
7779         config/i386/winnt.c:i386_pe_encode_section_info().
7780         (i386_nlm_maybe_mangle_decl_assembler_name): New.
7781         i386_nlm_mangle_decl_assembler_name): New.
7782         (netware_override_options): New.
7783         * config/i386/netware.h (netware_override_options): Declare.
7784         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
7785         (i386_nlm_mangle_decl_assembler_name): Declare.
7786         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
7788 2008-02-25  Ben Elliston  <bje@au.ibm.com>
7790         PR other/32948
7791         * c-decl.c (grokdeclarator): Remove unused local variables
7792         `typedef_type' and `type_as_written'.
7793         * bb-reorder.c
7794         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
7795         unused local variable `has_hot_blocks'.
7796         (fix_crossing_conditional_branches): Remove unused local variable
7797         `prev_bb'.
7798         
7799 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
7801         PR middle-end/19984
7802         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
7803         using DEF_C99_BUILTIN.
7804         (BUILT_IN_NANF): Ditto.
7805         (BUILT_IN_NANL): Ditto.
7807 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
7808             Revital Eres  <eres@il.ibm.com>
7810         * modulo-sched.c (calculate_must_precede_follow): Address TODO
7811         regarding the order of two dependent insns in the same row.
7813 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
7815         * stor-layout.c (layout_decl): Do not bump the alignment of a
7816         bit-field to more than byte alignment if it is packed.
7818 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
7820         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
7821         e300c2 and e300c3.
7823 2008-02-24  Diego Novillo  <dnovillo@google.com>
7825         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
7827         PR 33738
7828         * tree-vrp.c (vrp_evaluate_conditional): With
7829         -Wtype-limits, emit a warning when comparing against a
7830         constant outside the natural range of OP0's type.
7831         * c.opt (Wtype-limits): Move ...
7832         * common.opt (Wtype-limits): ... here.
7834 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
7836         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
7837         * config/rs6000/e300c2c3.md: New file.
7838         * config/rs6000/rs6000.c (processor_costs): Add new costs for
7839         e300c2 and e300c3.
7840         (rs6000_override_options): Add e300c2 and e300c3 cases to
7841         processor_target_table. Do not allow usage of Altivec or Spe
7842         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
7843         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
7844         * config/rs6000/rs6000.h (processor_type): Add
7845         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
7846         (ASM_CPU_SPEC): Add e300c2 and e300c3.
7847         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
7848         and ppce300c3. Include e300c2c3.md.
7850 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
7852         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
7853         instead of TARGET_STRICT_ALIGN.
7855 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
7857         * explow.c (memory_address): Assert that the generated address is
7858         valid.
7860 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
7862         PR target/25477
7863         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
7864         * config/darwin-ppc-ldouble-patch.def: New file.
7865         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
7866         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
7867         SUBTARGET_INIT_BUILTINS if defined.
7868         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
7869         New functions.
7871 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7873         PR rtl-opt/33512
7874         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
7875         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
7877 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7879         PR pch/35027
7880         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
7881         file" warning condtional on -Winvalid-PCH.
7883 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
7885         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
7887 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
7889         PR target/22076
7890         PR target/34256 
7891         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
7892         prevent reload from using MMX registers.
7893         (*mov<mode>_internal): Ditto.
7894         (*movv2sf_internal_rex64): Ditto.
7895         (*movv2sf_internal): Ditto.
7897 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7899         PR documentation/31569
7900         * doc/install.texi2html: Use makeinfo --no-number-sections.
7902 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
7904         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
7905         ensure that we can address an entire entity > 8 bytes.  Don't
7906         generate reg+reg addressing for such data.
7908 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
7910         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
7911         strings when optimizing for size, unless the target cares about
7912         alignment.
7914 2008-02-22  Tom Tromey  <tromey@redhat.com>
7916         * regclass.c (current_pass): Remove declaration.
7918 2008-02-22  Anatoly Sokolov <aesok@post.ru>
7920         * config/avr/libgcc.S (__RAMPZ__): Define.
7921         (__do_copy_data): Add for devices with 128KB code memory.
7923 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
7925         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
7926         Use spe_abi.
7927         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
7929 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
7931         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
7932         GENNONACR_REGS.
7934 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7936         PR c/19999
7937         * c-typeck.c (build_binary_op): Warn about floating point
7938         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
7940 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
7942         PR target/34526
7943         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
7944         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
7945         add vrsave.
7946         (rs6000_override_options): Set altivec_abi as default, not override,
7947         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
7948         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
7949         is used; use new member spe_abi.
7950         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
7951         spe_abi and altivec_abi.
7953 2008-02-22  Tomas Bily  <tbily@suse.cz>
7955         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
7957 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7959         PR bootstrap/35273
7960         * config.build (build_file_translate): Set to `CMD //c' only if
7961         it works.
7962         * Makefile.in (build_file_translate): Improve comment.
7964 2008-02-21  Jan Hubicka  <jh@suse.cz>
7966         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
7967         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
7968         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
7970 2008-02-21  Michael Matz  <matz@suse.de>
7972         PR target/35264
7973         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
7975 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
7977         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
7978         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
7979         as insn constraint.
7980         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
7981         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
7982         SSE_VEC_FLOAT_MODE_P as insn constraint.
7983         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
7984         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
7985         sse4a_movntdf using MODEF mode iterator.
7986         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
7987         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
7988         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
7989         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
7990         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
7991         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
7992         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
7994 2008-02-21  Richard Guenther  <rguenther@suse.de>
7996         * tree.def (PAREN_EXPR): New tree code.
7997         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
7998         and PAREN_EXPR.
7999         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
8000         * expr.c (expand_expr_real_1): Likewise.
8001         * tree-inline.c (estimate_num_insns_1): Likewise.
8002         * tree-complex.c (expand_complex_move): Likewise.
8003         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
8004         as plain x.
8006 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
8008         PR target/35225
8009         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
8011 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
8013         PR target/35190
8014         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
8016         * config/sh/sh.c (find_barrier): Don't go past
8017         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
8019 2008-02-20  DJ Delorie  <dj@redhat.com>
8021         * config/h8300/h8300.md (insv): Force source operand to be a register.
8023         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
8024         as a jump, not as a plain insn.
8025         
8026 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
8028         * doc/invoke.texi (Warning Options): Add new option
8029         -Wframe-larger-than=.
8030         (-Wframe-larger-than): Document.
8032         * flags.h (warn_frame_larger_than, frame_larger_than_size):
8033         Add declarations for new option variables.
8035         * final.c (final_start_function): Check the frame size
8036         before emission and issue a Wframe-larger-than warning.
8038         * opts.c (warn_frame_larger_than, frame_larger_than_size):
8039         Add definitions for new option variables.
8040         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
8042         * common.opt (Wframe-larger-than=): New option.
8044 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
8046         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
8047         (<sse>_div<mode>3): Ditto.
8048         (<sse>_vmdiv<mode>3): Ditto.
8049         (<sse>_vmsqrt<mode>2): Ditto.
8050         (*smax<mode>3): Ditto.
8051         (sse5_frcz<mode>2): Ditto.
8052         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
8053         as insn constraint.
8055 2008-02-20  Richard Guenther  <rguenther@suse.de>
8057         PR middle-end/35265
8058         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
8059         be happy with INTEGRAL_TYPE_P.
8061 2008-02-20  Richard Guenther  <rguenther@suse.de>
8063         * fold-const.c (split_tree): Associate floatig-point expressions
8064         if flag_associative_math is set.
8066 2008-02-20  Richard Guenther  <rguenther@suse.de>
8068         * tree.h (fold_real_zero_addition_p): Declare.
8069         * fold-const.c (fold_real_zero_addition_p): Export.
8070         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
8071         floating-point operations with zero and one.
8073 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
8075         * doc/install.texi: Correct references to CFLAGS, replacing them
8076         with BOOT_CFLAGS.  Document flags used during bootstrap for
8077         target libraries.
8078                                 
8079 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
8081         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
8082         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
8083         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
8084         insn constraint.
8085         (smin<mode>3): Ditto from similar patterns.
8086         (smax<mode>3): Ditto.
8087         (*ieee_smin<mode>3): Ditto.
8088         (*ieee_smax<mode>3): Ditto.
8089         * config/i386/sse.md (sse): New mode attribute.
8090         (mov<mode>): Macroize expander from movv4sf and movv2df using
8091         SSEMODEF2P mode iterator.
8092         (<sse>_movnt<mode>): Ditto from similar patterns. Use
8093         SSE_VEC_FLOAT_MODE_P as insn constraint.
8094         (storent<mode>): Ditto.
8095         (storent<mode>): Macroize expander from storentsf and storentdf using
8096         MODEF mode iterator.
8097         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
8098         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
8099         (abs<mode>2): Ditto from similar patterns.
8100         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
8101         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
8102         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
8103         (<sse>_vmsqrt<mode>2): Ditto.
8104         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
8105         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
8106         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
8107         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
8108         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
8109         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
8110         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
8111         insn constraint.
8112         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
8113         iterator and SSE_FLOAT_MODE_P as insn constraint.
8114         (<sse>_ucomi): Ditto from similar patterns.
8115         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
8116         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
8117         SSE_VEC_FLOAT_MODE_P as insn constraint.
8118         (vcond<mode>): Ditto from similar patterns.
8119         (and<mode>3, *and<mode>3): Ditto.
8120         (<sse>_nand<mode>3): Ditto.
8121         (ior<mode>3, *ior<mode>3): Ditto.
8122         (xor<mode>3, *xor<mode>3): Ditto.
8123         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
8124         iterator and SSE_FLOAT_MODE_P as insn constraint.
8125         (*nand<mode>3): Ditto from similar patterns.
8126         (*ior<mode>3): Ditto.
8127         (*xor<mode>3): Ditto.
8129 2008-02-20  Ira Rosen  <irar@il.ibm.com>
8131         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
8132         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
8133         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
8135 2008-02-19  Jan Hubicka  <jh@suse.cz>
8137         * predict.c (tree_bb_level_predictions): Remove variable next
8138         mistakely introduced by previous commit.
8140 2008-02-19  Jan Hubicka  <jh@suse.cz>
8142         * predict.c (predict_paths_leading_to): Rewrite.
8143         (predict_paths_for_bb): New.
8144         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
8146 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8148         PR bootstrap/35218
8149         * Makefile.in (build_file_translate): New.
8150         (gcc-vers.texi): Use it for translating $(abs_srcdir).
8151         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
8152         * configure.ac (build_file_translate): Substitute it.
8153         * configure: Regenerate.
8155 2008-02-19  Jan Hubicka  <jh@suse.cz>
8157         PR rtl-optimization/34408
8158         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
8159         invalid sharing.
8161 2008-02-19  Jan Hubicka  <jh@suse.cz>
8163         PR middle-end/28779
8164         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
8165         call_expr.
8167 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
8169         PR Ada/35186
8170         * config/i386/i386-modes.def: Revert the last DI alignment
8171         change until Ada people can look into it.
8173 2008-02-19  Nick Clifton  <nickc@redhat.com>
8175         * opts.c (print_specific_help): Fix typo in --help text.
8177 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
8179         PR target/35239
8180         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
8181         32-bit inline asm without asm alternatives for host GCC < 3.0.
8183 2008-02-19  Richard Guenther  <rguenther@suse.de>
8185         PR tree-optimization/34989
8186         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
8187         Allow propagation to INDIRECT_REF if we can simplify only.
8189 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8191         * c-common.c (warn_for_collisions_1): Use appropriate option when
8192         warning.
8194 2008-02-19  Nick Clifton  <nickc@redhat.com>
8196         PR other/31349
8197         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
8198         (handle_options): Fix indentation.
8199         (print_filtered_help): If no language-specific options were
8200         displayed tell the user how to list all the options supported by
8201         the language's front-end.
8202         (print_specific_help): Fix indentation and remove duplicate line.
8203         (common_handle_option): Handle the -v option.
8204         For --help enable the display of undocumented options if the -v
8205         switch has been included on the command line.
8206         For --help= check for overlaps in the arguments between the option
8207         classes and the language names and issue a warning when they
8208         cannot be disambiguated.
8209         * c.opt (v): Pass on to the common option handler.
8211 2008-02-19  Revital Eres  <eres@il.ibm.com> 
8213         * modulo-sched.c (sms_schedule): Change dump message when
8214         create_ddg function fails.
8215         (try_scheduling_node_in_cycle): Rename row to cycle.
8216         (print_partial_schedule): Rename CYCLE to ROW.
8218 2008-02-19  Christian Bruel  <christian.bruel@st.com>
8219             Zdenek Dvorak  <ook@ucw.cz>
8221         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
8223 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
8225         PR target/33555
8226         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
8227         (*x86_movdicc_0_m1_se): Ditto.
8229 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
8231         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
8232         (CMPtype): Define as __gcc_CMPtype.
8233         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
8234         (CMPtype): Define as __gcc_CMPtype.
8236 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
8238         Support valgrind 3.3 for --enable-checking=valgrind.
8239         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
8240         here.
8241         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
8242         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
8243         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
8244         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
8245         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
8246         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
8247         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
8248         respectively.
8249         * ggc-zone.c: Similar.
8250         * ggc-page.c: Similar.
8252 2008-02-19  Paul Brook  <paul@codesourcery.com>
8254         PR target/35071
8255         * config/arm/ieee754-df.S: Fix do_it typo.
8256         * config/arm/ieee754-sf.S: Fix do_it typo.
8258 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
8260         PR target/35189
8261         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
8262         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
8263         (OPTION_MASK_ISA_SSE_SET): Likewise.
8264         (OPTION_MASK_ISA_SSE2_SET): Likewise.
8265         (OPTION_MASK_ISA_SSE3_SET): Likewise.
8266         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
8267         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
8268         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
8269         (OPTION_MASK_ISA_SSE4_SET): Likewise.
8270         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
8271         (OPTION_MASK_ISA_SSE5_SET): Likewise.
8272         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
8273         (OPTION_MASK_ISA_MMX_UNSET): Updated.
8274         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
8275         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
8276         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
8277         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
8278         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
8279         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
8280         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
8281         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
8282         (OPTION_MASK_ISA_SSE4): Removed.
8283         (ix86_handle_option): Turn on bits in ix86_isa_flags and
8284         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
8285         (override_options): Don't turn on implied SSE/MMX bits in
8286         ix86_isa_flags.
8288 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
8290         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
8291         32bit host.
8293 2008-02-18  Joey Ye  <joey.ye@intel.com>
8295         PR middle-end/34921
8296         * tree-nested.c (insert_field_into_struct): Set type alignment
8297         to field alignment if the former is less than the latter.
8299 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
8301         * BASE-VER: Set to 4.4.0.
8303 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8305         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
8306         * doc/cfg.texi: Likewise.
8307         * doc/extend.texi: Likewise.
8308         * doc/gty.texi: Likewise.
8309         * doc/invoke.texi: Likewise.
8310         * doc/loop.texi: Likewise.
8311         * doc/md.texi: Likewise.
8312         * doc/passes.texi: Likewise.
8313         * doc/rtl.texi: Likewise.
8314         * doc/sourcebuild.texi: Likewise.
8315         * doc/tm.texi: Likewise.
8316         * doc/tree-ssa.texi: Likewise.
8318 2008-02-17  Richard Guenther  <rguenther@suse.de>
8320         PR middle-end/35227
8321         * tree-complex.c (init_parameter_lattice_values): Handle parameters
8322         without default definition.
8324 2008-02-17  Richard Guenther  <rguenther@suse.de>
8326         PR tree-optimization/35231
8327         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
8328         if A | B != 1.
8330 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
8332         Revert:
8333         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
8334         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
8335         libgcc_cmp_return mode.
8337 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8339         PR c/28368
8340         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
8342 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
8344         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
8345         multilibs.
8347 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8349         * doc/c-tree.texi: Use `@.' where appropriate.
8350         * doc/extend.texi: Likewise.
8351         * doc/install.texi: Likewise.
8352         * doc/invoke.texi: Likewise.
8353         * doc/loop.texi: Likewise.
8354         * doc/makefile.texi: Likewise.
8355         * doc/md.texi: Likewise.
8356         * doc/passes.texi: Likewise.
8357         * doc/standards.texi: Likewise.
8358         * doc/tm.texi: Likewise.
8360 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
8362         PR middle-end/35196
8363         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
8364         in entry_bb.
8365         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
8366         rather than in entry_bb.
8368 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
8370         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
8371         libgcc_cmp_return mode.
8373 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
8375         PR middle-end/35130
8376         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
8377         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
8379 2008-02-15  Richard Guenther  <rguenther@suse.de>
8380             Zdenek Dvorak  <ook@ucw.cz>
8382         PR tree-optimization/35164
8383         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
8384         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
8385         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
8386         Only propagate addresses which do not have abnormal SSA_NAMEs
8387         in their operands.
8389 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
8391         PR target/35088
8392         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
8394 2008-02-15  Jan Hubicka  <jh@suse.cz>
8396         PR middle-end/35149
8397         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
8399 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
8401         PR middle-end/34621
8402         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
8403         when calculating alignment_pad.
8405 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
8407         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
8408         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
8409         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
8410         and STACK_BOUNDARY define.
8412 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
8414         PR preprocessor/35061
8415         * c-pragma.c (handle_pragma_pop_macro): Check that
8416         pushed_macro_table has been allocated.
8418 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
8420         PR middle-end/35136
8421         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
8422         (force_gimple_operand): Likewise.
8423         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
8424         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
8425         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
8426         (find_interesting_uses_address): Check addressability and alignment
8427         of the base expression only after substituting bases of IVs into it.
8429 2008-02-14  Michael Matz  <matz@suse.de>
8431         PR target/34930
8432         * function.c (instantiate_virtual_regs_in_insn): Reload address
8433         before falling back to reloading the whole operand.
8435 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
8437         * config/s390/s390.c (s390_mainpool_start): Emit the pool
8438         before the first section switch note.
8440 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8442         * doc/bugreport.texi: Update copyright years.
8443         * doc/c-tree.texi: Likewise.
8444         * doc/cfg.texi: Likewise.
8445         * doc/cpp.texi: Likewise.
8446         * doc/cppinternals.texi: Likewise.
8447         * doc/fragments.texi: Likewise.
8448         * doc/frontends.texi: Likewise.
8449         * doc/gcc.texi: Likewise.
8450         * doc/gty.texi: Likewise.
8451         * doc/hostconfig.texi: Likewise.
8452         * doc/implement-c.texi: Likewise.
8453         * doc/libgcc.texi: Likewise.
8454         * doc/loop.texi: Likewise.
8455         * doc/makefile.texi: Likewise.
8456         * doc/options.texi: Likewise.
8457         * doc/passes.texi: Likewise.
8458         * doc/rtl.texi: Likewise.
8459         * doc/sourcebuild.texi: Likewise.
8460         * doc/standards.texi: Likewise.
8461         * doc/tree-ssa.texi: Likewise.
8462         * doc/trouble.texi: Likewise.
8464         * doc/extend.texi: Use @: or add comma where appropriate.
8465         * doc/invoke.texi: Likewise.
8466         * doc/tm.texi: Likewise.
8468 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
8470         PR target/34393
8471         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
8472         to a reg.
8474 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
8476         * doc/md.texi (clz, ctz): Add reference.
8477         * doc/rtl.texi (clz, ctz): Likewise.
8479 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8481         PR other/35148
8482         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
8483         srcdir.
8485 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
8487         * config/s390/s390.c (struct constant_pool): New field
8488         emit_pool_after added.
8489         (s390_mainpool_start): Set the emit_pool_after flag according
8490         to the section switch notes.
8491         (s390_mainpool_finish): Consider emit_pool_after when emitting
8492         the literal pool at the end of the function.
8493         (s390_chunkify_start): Force literal pool splits at section
8494         switch notes.
8496 2008-02-13  Michael Matz  <matz@suse.de>
8498         PR debug/35065
8499         * var-tracking.c (clobber_variable_part): Correctly traverse the
8500         list.
8502 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8504         PR 29673
8505         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
8506         Add -fdump-ipa-inline.
8507         * tree-dump.c (dump_files): Remove tree-inlined dump.
8508         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
8509         
8510 2008-02-12  Richard Guenther  <rguenther@suse.de>
8512         PR tree-optimization/35171
8513         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
8514         default defs.
8516 2008-02-12  Richard Guenther  <rguenther@suse.de>
8518         PR middle-end/35163
8519         * fold-const.c (fold_widened_comparison): Use get_unwidened in
8520         value-preserving mode.  Disallow final truncation.
8522 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8524         PR middle-end/35136
8525         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
8526         code from here to...
8527         (force_gimple_operand): ...here.
8529 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
8531         PR c++/35144
8532         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
8533         non-compatible pointers.
8534         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
8535         different FIELD_DECLs, try harder by comparing field offsets, sizes
8536         and types.
8538         PR inline-asm/35160
8539         * function.c (match_asm_constraints_1): Don't replace the same input
8540         multiple times.
8542 2008-02-12  Anatoly Sokolov <aesok@post.ru>
8544         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
8545         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
8546         (expand_epilogue): Restore RAMPZ register.
8547         * config/avr/avr.md (RAMPZ_ADDR): New constant.
8549 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
8551         * config/i386/cygwin.asm: (__alloca): Correct calling
8552         convention and alignment.
8553         (__chkstk): Force 8 byte stack alignment.
8555 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
8556             Richard Guenther  <rguenther@suse.de>
8558         PR tree-optimization/33992
8559         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
8560         the zero we compare against.
8562 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
8564         PR libfortran/35063
8565         * gthr-win32.h (__gthread_mutex_destroy_function): New function
8566         to CloseHandle after unlocking to prevent accumulation of handle
8567         count.
8569 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8571         PR middle_end/34150
8572         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
8573         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
8574         and update LABEL_NUSES during and after reload.
8576 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
8578         PR middle-end/34627
8579         * combine.c (simplify_if_then_else): Make sure the comparison is
8580         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
8582 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
8584         PR bootstrap/35051
8585         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
8586         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
8587         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
8588         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
8589         * tree.h (get_type_static_bounds): Likewise.
8591 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8593         * doc/invoke.texi (Option Summary, C++ Dialect Options)
8594         (Objective-C and Objective-C++ Dialect Options, Warning Options):
8595         Make -Wfoo language annotations match what the compiler outputs.
8597 2008-02-08  Sa Liu  <saliu@de.ibm.com>
8599         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
8600         intrinsics spu_convts, spu_convtu, spu_convtf.
8602 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
8604         * doc/extend.texi (Function Attributes) <noinline>: Mention
8605         asm ("") as method to keep calls.
8607 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8609         PR other/32754
8610         * doc/options.texi (Options): Replace references to opts.sh with
8611         optc-gen.awk.
8612         * opts-common.c: Likewise.
8613         * optc-gen.awk: Likewise.
8614         
8615 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
8617         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
8619 2008-02-07  Richard Henderson  <rth@redhat.com>
8621         PR rtl-opt/33410
8622         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
8623         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
8624         funny mode.
8626 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
8628         PR tree-optimization/35085
8629         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
8630         for operand entry oe2 in addition to operand entry oe3 in order to
8631         expose more opportunities for vectorizer sum reduction.
8633 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8635         PR other/35107
8636         * Makefile.in (LIBS): Remove $(GMPLIBS).
8637         (cc1-dummy, cc1): Add $(GMPLIBS).
8639 2008-02-06  Jan Hubicka  <jh@suse.cz>
8641         PR target/23322
8642         * i386.md (moddf_integer): Do not produce partial memory stalls for
8643         targets where it hurts.
8645 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
8647         PR target/35083
8648         * optabs.c (expand_float): Do not check for decimal modes when
8649         expanding unsigned integer through signed conversion.
8651 2008-02-06  Nick Clifton  <nickc@redhat.com>
8653         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
8654         inside the clobber with a match_operand and duplicated operand
8655         number in the constraint.
8656         (ineqbranchsi): Delete redundant comment.
8658 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
8660         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
8661         builtin_define ("__USE_INIT_FINI__").
8662         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
8663         -msx multilibs.
8664         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
8666 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8668         PR documentation/30330
8669         * doc/invoke.texi (C++ Dialect Options)
8670         (Objective-C and Objective-C++ Dialect Options, Warning Options):
8671         For each warning option -Wfoo that allows -Wno-foo, ensure both
8672         -Wfoo and -Wno-foo are listed in the option index.  Fix index
8673         entry of -Wswitch-default, index -Wnormalized= including the
8674         `=', and -Wlarger-than-@var{len} including @var{len}.
8676 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
8678         * config/i386/i386.md (floatunssisf2): Use
8679         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
8680         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
8681         Macroize expander using MODEF mode iterator.
8683 2008-02-05  Diego Novillo  <dnovillo@google.com>
8685         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
8687         PR 33738
8688         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
8690 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8692         PR other/35070
8693         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
8695 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
8697         PR target/35084
8698         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
8699         to indicate if a message should be generated.
8700         (init_cumulative_args): Updated.
8701         (function_value_32): Likewise.
8703 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
8705         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
8707 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
8709         PR target/35083
8710         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
8711         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
8713 2008-02-04  Diego Novillo  <dnovillo@google.com>
8715         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
8717         PR 33738
8718         * tree-vrp.c (vrp_evaluate_conditional): With
8719         -Wtype-limits, emit a warning when comparing against a
8720         constant outside the natural range of OP0's type.
8722 2008-02-04  Richard Guenther  <rguenther@suse.de>
8724         PR middle-end/33631
8725         * expr.c (count_type_elements): Give for unions instead of
8726         guessing.
8728 2008-02-04  Richard Guenther  <rguenther@suse.de>
8730         PR middle-end/35043
8731         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
8732         to TYPE_DOMAINs base type instead of using bitsizetype here.
8734 2008-02-03  Jason Merrill  <jason@redhat.com>
8736         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
8738 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8740         PR other/29972
8741         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
8742         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
8743         (RS/6000 and PowerPC Options): Fix typos and markup.
8744         * doc/passes.texi (Tree-SSA passes): Likewise.
8746 2008-02-02  Michael Matz  <matz@suse.de>
8748         PR target/35045
8749         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
8750         from record_last_reg_set_info.
8751         (record_last_reg_set_info): Take an RTX argument, iterate over all
8752         constituent hardregs.
8753         (record_last_set_info, record_opr_changes): Change calls to
8754         new signature or to record_last_reg_set_info_regno.
8756 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
8758         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
8760 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
8762         PR rtl-optimization/34773
8763         * reg-notes.def (EQUAL): Mention significance of combination of
8764         REG_EQUAL and REG_RETVAL.
8765         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
8766         insn that has a REG_RETVAL.
8768 2008-02-01  Roger Sayle  <roger@eyesopen.com>
8770         PR bootstrap/33781
8771         * configure.ac (--enable-fixed-point): Disable unless explicitly
8772         requested on IRIX.
8773         * configure: Regenerate.
8775 2008-02-01  Richard Guenther  <rguenther@suse.de>
8777         PR other/35042
8778         * invoke.texi (-finline-limit): Remove no longer true parts
8779         of the documentation.  Note that there is no default value.
8781 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
8782             Mark Mitchell  <mark@codesourcery.com>
8783             Ben Elliston  <bje@au.ibm.com>
8785         PR c/29326
8786         * doc/extend.texi (Other Builtins): Document.
8788 2008-01-31  Tom Browder <tom.browder@gmail.com>
8790         * doc/c-tree.texi (Types): Fix grammar.
8791         (Expression trees): Ditto.
8792         * doc/passes.texi (Tree-SSA passes): Ditto.
8793         
8794         * doc/configterms.texi (Configure Terms): Fix typo.
8795         * doc/cpp.texi (Common Predefined Macros): Ditto.
8796         * doc/md.texi (Machine Constraints): Ditto.
8797         
8798         * doc/makefile.texi (Makefile): Add comma.
8800 2008-01-31  Tom Browder  <tom.browder@gmail.com>
8801             Gerald Pfeifer  <gerald@pfeifer.com>
8802         
8803         * doc/sourcebuild.texi (Front End): Remove references to CVS
8804         and CVSROOT/modules.
8805         (Texinfo Manuals): Replace reference to CVS by one to SVN.
8806         (Back End): Remove reference to CVS.
8808 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
8810         PR target/34900
8811         * config/mips/mips.c (gen_load_const_gp): New function, taking a
8812         comment from...
8813         (mips16_gp_pseudo_reg): ...here.
8814         * config/mips/mips.md (load_const_gp): Replace with...
8815         (load_const_gp_<mode>): ...this :P-based insn.
8817 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8819         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
8820         options. Minor fixes.
8821         (-std): Move reference to standards closer to where language
8822         standards are first mentioned.
8823         
8824 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
8826         PR rtl-optimization/34995
8827         * reload.c (alternative_allows_const_pool_ref): Take an rtx
8828         parameter and return a bool.  If the rtx parameter is nonnull,
8829         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
8830         (find_reloads): Update call accordingly.  Pass the new operand
8831         if it needed no address reloads, otherwise pass null.
8833 2008-01-30  Richard Henderson  <rth@redhat.com>
8835         PR c/34993
8836         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
8837         for unbounded arrays.
8839 2008-01-30  Silvius Rus  <rus@google.com>
8841         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
8843 2008-01-30  Jan Hubicka  <jh@suse.cz>
8845         PR target/34982
8846         * i386.c (init_cumulative_args): Use real function declaration when
8847         calling locally.
8849 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
8851         PR rtl-optimization/34998
8852         * global.c (build_insn_chain): Treat non-subreg_lowpart
8853         SUBREGs of pseudos as clobbering all the words covered by the
8854         SUBREG, not just all the bytes.
8855         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
8856         original df_ref rather than an extract parameter.
8857         (global_conflicts): Update call accordingly.
8859 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
8861         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
8862         the overflow check to make it easier to read.
8863         (__fixtfdi): Change the type of the ll member in union
8864         long_double to UDItype_x.
8866 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
8868         PR middle-end/34969
8869         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
8870         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
8871         * tree-inline.c (fold_marked_statements): Call
8872         cgraph_update_edges_for_call_stmt if folding a call statement.
8873         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
8874         debug_generic_stmt calls, reset it back afterwards.
8876         PR c/35017
8877         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
8878         static decls.
8879         * c-typeck.c (build_external_ref): Don't pedwarn about
8880         static vars in current function's scope.
8882 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
8884         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
8886 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
8888         PR c/35002
8889         * ipa-struct-reorg.c: Fix spelling.
8890         * params.def: Ditto.
8892 2008-01-29  Richard Guenther  <rguenther@suse.de>
8894         PR middle-end/35006
8895         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
8896         field.
8897         * tree-inline.c (remap_type): Increment remapping_type_depth
8898         around remapping types.
8899         (copy_body_r): Only add referenced variables if they are referenced
8900         from code, not types.
8902 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
8904         PR c++/34055
8905         PR c++/34103
8906         PR c++/34219
8907         PR c++/34606
8908         PR c++/34753
8909         PR c++/34754
8910         PR c++/34755
8911         PR c++/34919
8912         PR c++/34961
8913         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
8914         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
8916 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
8918         PR target/34412
8919         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
8920         pointer for tiny stack.
8922 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
8924         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
8926 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
8928         * config/vx-common.h: Fix typo in comment.
8930 2008-01-28  Ian Lance Taylor  <iant@google.com>
8932         PR c++/34862
8933         PR c++/33407
8934         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
8935         coalesce pointers if they have different DECL_NO_TBAA_P values.
8936         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
8937         between variables with different DECL_NO_TBAA_P values.
8939 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
8941         PR 31535
8942         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
8943         are not legitimate small data references on SPE targets.
8945 2008-01-28  David Daney  <ddaney@avtrex.com>
8947         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
8949 2008-01-28  David Daney  <ddaney@avtrex.com>
8951         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
8953 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
8955         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
8956         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
8957         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
8958         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
8959         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
8960         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
8961         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
8962         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
8964 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
8966         * basic-block.h (condjump_equiv_p): Fix comment.
8968 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
8970         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
8971         print_generic_stmt_indented): Fix comment.
8973 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
8975         * configure.ac (__stack_chk_fail): Add detecion for availability
8976         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
8977         * configure: Regenerate.
8979 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
8981         PR middle-end/34688
8982         * final.c (output_addr_const): Handle TRUNCATE.
8984 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
8986         PR target/34711
8987         * tree-ssa-loop-ivopts.c (comp_cost): New type.
8988         (zero_cost, infinite_cost): New constants.
8989         (struct cost_pair): Change type of cost to comp_cost.
8990         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
8991         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
8992         New functions.
8993         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
8994         split_address_cost, ptr_difference_cost, difference_cost,
8995         get_computation_cost_at, get_computation_cost,
8996         determine_use_iv_cost_generic, determine_use_iv_cost_address,
8997         determine_use_iv_cost_condition, determine_use_iv_costs,
8998         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
8999         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
9000         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
9001         Change type of cost to comp_cost.
9002         (determine_iv_cost): Increase cost of non-original ivs, instead
9003         of decreasing the cost of original ones.
9004         (get_address_cost): Indicate the complexity of the addressing mode 
9005         in comp_cost.
9006         (try_add_cand_for): Prefer using ivs not specific to some object.
9007         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
9009 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
9010             Janis Johnson  <janis187@us.ibm.com>
9012         PR target/34814
9013         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
9014         (TARGET_INSTANTIATE_DECLS): Likewise.
9015         * target.h (expand_to_rtl_hook): New target hook.
9016         (instantiate_decls): Likewise.
9017         * function.c (instantiate_decl): Make non-static.  Rename to...
9018         (instantiate_decl_rtl): ... this.
9019         (instantiate_expr): Use instantiate_decl_rtl.
9020         (instantiate_decls_1): Likewise.
9021         (instantiate_decls): Likewise.
9022         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
9023         * function.h (instantiate_decl_rtl): Add prototype.
9024         * cfgexpand.c (target.h): New include.
9025         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
9026         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
9027         (TARGET_INSTANTIATE_DECLS): Likewise.
9028         (TARGET_INITIALIZER): New target hooks added.
9029         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
9030         New prototype.
9031         * config/rs6000/rs6000.c (tree-flow.h): New include.
9032         (machine_function): Add sdmode_stack_slot field.
9033         (rs6000_alloc_sdmode_stack_slot): New function.
9034         (rs6000_instantiate_decls): Likewise.
9035         (rs6000_secondary_memory_needed_rtx): Likewise.
9036         (rs6000_check_sdmode): Likewise.
9037         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
9038         (TARGET_INSTANTIATE_DECLS): Likewise.
9039         (rs6000_hard_regno_mode_ok): Allow SDmode.
9040         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
9041         (rs6000_emit_move): Handle SDmode.
9042         (function_arg_advance): Likewise.
9043         (function_arg): Likewise.
9044         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
9045         SDmode var args for 32-bit compiles.
9046         (rs6000_secondary_reload_class): Handle SDmode.
9047         (rs6000_output_function_epilogue): Likewise.
9048         (rs6000_function_value): Simplify if statement.
9049         (rs6000_libcall_value): Likewise.
9050         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
9051         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
9052         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
9053         (movsd_hardfloat): New define_insn.
9054         (movsd_softfloat): Likewise.
9055         (movsd_store): Likewise.
9056         (movsd_load): Likewise.
9057         (extendsddd2): Likewise.
9058         (extendsdtd2): Likewise.
9059         (truncddsd2): Likewise.
9060         (movdd_hardfloat64): Fixup comment.
9061         (UNSPEC_MOVSD_LOAD): New constant.
9062         (UNSPEC_MOVSD_STORE): Likewise.
9064 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
9066         PR c++/34965
9067         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
9068         TRUTH_XOR_EXPR.
9069         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
9070         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
9071         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
9072         and TRUTH_XOR_EXPR.
9074 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
9076         PR target/34794
9077         * config.gcc: Separate AIX 5.3 from AIX 6.1.
9078         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
9079         __LONGDOUBLE128 too.
9080         * config/rs6000/aix61.h: New file.
9082 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
9084         PR rtl-optimization/34959
9085         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
9086         popcount and parity rtxes the same mode as their operand.
9087         Truncate or extend the result to the return value's mode
9088         if necessary.
9090 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
9092         PR target/34981
9093         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
9094         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
9095         to GOT_VERSION_REGNUM.
9096         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
9097         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
9098         * config/mips/mips.c (mips_emit_call_insn): New function.
9099         (mips_call_tls_get_addr): Call mips_expand_call directly.
9100         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
9101         emit_call_insn.
9102         (mips16_build_call_stub): Likewise.  Return the call insn or null.
9103         (mips_expand_call): Update the call to mips16_build_call_stub
9104         accordingly and a remove redundant condition.  Assert that MIPS16
9105         stubs do not use lazy binding.  Use mips_emit_call_insn and return
9106         the call insn.
9107         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
9108         TARGET_USE_GOT.
9109         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
9110         (mips_avoid_hazard): Remove hazard_set handling.
9111         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
9112         (UNSPEC_RESTORE_GP): ...this.
9113         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
9114         (FAKE_CALL_REGNO): Rename to...
9115         (GOT_VERSION_REGNUM): ...this.
9116         (type): Add "ghost" value.  Add an associated insn reservation.
9117         (hazard_set): Remove.
9118         (exception_receiver): Rename to...
9119         (restore_gp): ...this and update the unspec identifier accordingly.
9120         (exception_receiver, nonlocal_got_receiver): New expanders.
9121         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
9122         FAKE_CALL_REGNO.  Remove hazard_set attribute.
9123         (set_got_version, update_got_version): New patterns.
9125 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
9127         PR target/34970
9128         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
9130 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
9132         PR other/31955
9133         * doc/install.texi2html: Generate gcc-vers.texi.
9135 2008-01-25  DJ Delorie  <dj@redhat.com>
9137         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
9139 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
9141         * config/c4x: Remove directory.
9142         * config.gcc (crx-*, mt-*): Mark obsolete.
9143         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
9144         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
9145         sh-*-rtemscoff*): Remove cases.
9146         * defaults.h (C4X_FLOAT_FORMAT): Remove.
9147         * real.c (encode_c4x_single, decode_c4x_single,
9148         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
9149         c4x_extended_format): Remove.
9150         * real.h (c4x_single_format, c4x_extended_format): Remove.
9151         * doc/extend.texi (interrupt, naked): Remove mention of attributes
9152         on C4x.
9153         (Pragmas): Remove comment about c4x pragmas.
9154         * doc/install.texi (c4x): Remove target-specific instructions.
9155         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
9156         * doc/md.texi (Machine Constraints): Remove C4x documentation.
9157         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
9158         refer to C4x source files as examples.
9159         (C4X_FLOAT_FORMAT): Remove documentation.
9161 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
9163         * config/bfin/bfin.c (override_options): Reorder tests so that
9164         flag_pic gets enabled for -msep-data.
9166 2008-01-25  Richard Guenther  <rguenther@suse.de>
9168         PR middle-end/32244
9169         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
9170         to its bitfield precision if required.
9172 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
9174         PR middle-end/33880
9175         * tree-nested.c (walk_omp_for): New function.
9176         (convert_nonlocal_reference, convert_local_reference): Call
9177         walk_omp_for on OMP_FOR.
9178         (convert_call_expr): Call walk_body on OMP_FOR's
9179         OMP_FOR_PRE_INIT_BODY.
9181 2008-01-25  Richard Guenther  <rguenther@suse.de>
9183         PR tree-optimization/34966
9184         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
9185         default defs and PHI_NODEs we have to insert after the
9186         defining statement.
9188 2008-01-24  Nick Clifton  <nickc@redhat.com>
9190         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
9191         Provide a default definition.
9192         (LIBGCC2_UNITS_PER_WORD): Likewise.
9194         * config/stormy16/stormy16.c: Include df.h for the prototype
9195         for df_regs_ever_live_p.
9196         (xstormy16_expand_builtin_va_start): Convert the stack offset
9197         into a component_ref and then use POINTER_PLUS_EXPR to add it
9198         to the incoming_virtual_args_rtx.
9199         (xstormy16_gimplify_va_arg_expr): Rename to
9200         xstormy16_gimplify_va_arg_expr.
9201         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
9202         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
9203         xstormy16_gimplify_va_arg_expr.
9204         Fix up some formatting issues.
9206         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
9207         Move to predicates.md.
9208         (xs_hi_general_operand): Likewise.
9209         (xs_hi_nonmemory_operand): Likewise.
9210         * config/stormy16/predicates.md:
9211         (xstormy16_carry_plus_operand): New predicate.
9212         (xs_hi_general_operand): New predicate.
9213         (xs_hi_nonmemory_operand): New predicate.
9214         * config/stormy16/stormy16-protos.h:
9215         (xstormy16_carry_plus_operand): Delete prototype.
9216         (xs_hi_general_operand): Likewise.
9217         (xs_hi_nonmemory_operand): Likewise.
9219         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
9220         modifiers as they are no longer needed and they can trigger
9221         reload spill failures.
9223         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
9224         with a match_operand in order to help reload.
9226         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
9227         constraint with 'e' for the 8th alternative as this version of
9228         the mov.w instruction only accepts the lower 8 registers.
9230 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
9232         PR target/34856
9233         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
9234         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
9235         vector elements.
9237 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
9239         PR middle-end/33333
9240         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
9242 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
9244         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
9245         New functions.
9246         (remove_structure): Update allocations list before removing structure.
9247         
9248 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
9250         * ipa-struct-reorg.c (is_safe_cond_expr, 
9251         create_new_stmts_for_cond_expr): Use integer_zerop function,
9252         that recognize not only zero-pointer, but zero-integer too.
9254 2008-01-25  Ben Elliston  <bje@au.ibm.com>
9256         PR other/22232
9257         * fixproto: Escape "." in sed expression that strips leading "./".
9259 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
9261         PR driver/34904
9262         * gcc.c (SWITCH_OK): Removed.
9263         (SWITCH_LIVE): Changed to bit.
9264         (SWITCH_FALSE): Likewise.
9265         (SWITCH_IGNORE): Likewise.
9266         (switchstr): Change live_cond to unsigned int.
9267         (process_command): Replace SWITCH_OK with 0.
9268         (do_self_spec): Likewise.
9269         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
9270         (give_switch): Likewise.
9271         (used_arg): Likewise.
9272         (do_spec_1): Set the SWITCH_IGNORE bit.
9273         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
9274         bits.  Set the SWITCH_LIVE bit.
9276 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9278         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
9280 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
9282         PR tree-optimization/34472
9283         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
9284         parameter to a "bool *" and set *DATA to false if there is
9285         an unsafe access.  Do not delete the structure here.
9286         (check_cond_exprs): Delete it here instead.
9287         (check_cond_exprs, exclude_cold_structs): Do not increase
9288         I when removing a structure.
9290 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
9292         PR target/34856
9293         * config/i386/i386.c (ix86_expand_vector_init): Consider only
9294         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
9296 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
9298         PR middle-end/34934
9299         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
9300         a fixed vector for stack.
9302 2008-01-24  Ben Elliston  <bje@au.ibm.com>
9304         PR c++/25701
9305         * doc/gcc.texi (Software development): Add a direntry for g++.
9306         
9307 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
9309         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
9310         stale and straggling -fforce-addr comments above.
9312         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
9313         define.
9314         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
9315         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
9317 2008-01-23  Michael Matz  <matz@suse.de>
9319         PR debug/34895
9320         * dwarf2out.c (force_type_die): Use modified_type_die instead of
9321         gen_type_die.
9323 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
9325         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
9326         malloc result type.
9328 2008-01-23 Anatoly Sokolov <aesok@post.ru>
9330         * config/avr/avr.c (avr_current_arch): New variable.
9331         (avr_arch_types): Add 'avr31' and 'avr51' entries.
9332         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
9333         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
9334         (avr_override_options): Init 'avr_current_arch'. 
9335         (base_arch_s): Move from here...
9336         * config/avr/avr.h (base_arch_s): ... here. Add new members 
9337         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
9338         'mega' to 'have_jmp_call'.
9339         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
9340         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
9341         macros.
9342         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
9343         architectures.
9344         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
9345         MULTILIB_MATCHES): (Ditto.).
9347 2008-01-23  Richard Guenther  <rguenther@suse.de>
9349         PR middle-end/31529
9350         * cgraphunit.c (cgraph_reset_node): Always mark the node
9351         not reachable if it is not queued already.
9353 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
9355         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
9356         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
9357         (cputype_selected): New static variable.
9358         (bfin_handle_option): Set it if -mcpu is used.
9359         (override_option): Select default set of workarounds if no cpu type
9360         selected on the command line.
9361         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
9363         From  Michael Frysinger  <michael.frysinger@analog.com>
9364         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
9365         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
9367         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
9368         for bf547, bf523, bf524, and bf526.
9369         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
9370         bf526.
9371         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9372         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
9373         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
9374         __ADSPBF547__ and __ADSPBF54x__ for bf547.
9375         * doc/invoke.texi (Blackfin Options): Document that
9376         -mcpu now accept bf547, bf523, bf524, and bf526.
9378 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
9380         PR rtl-optimization/34628
9381         * combine.c (try_combine): Stop and undo after the first combination
9382         if an autoincrement side-effect on the first insn has effectively
9383         been lost.
9385 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
9387         PR target/34529
9388         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
9389         Offset addresses are not valid for Altivec or paired float modes.
9391 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
9393         PR c++/34607
9394         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
9395         if DECL_INITIAL (decl) is error_mark_node.
9397         PR c++/34914
9398         * c-common.c (handle_vector_size_attribute): Only allow
9399         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
9400         the same way as pointer, array etc. types.
9401         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
9403         PR c++/34917
9404         * tree.c (build_type_attribute_qual_variant): Call
9405         build_qualified_type if attributes are equal, but quals are not.
9407 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9409         PR 32102
9410         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
9411         * flags.h (warn_strict_aliasing): Remove.
9412         (warn_strict_overflow): Remove.
9413         * opts.c (warn_strict_aliasing): Remove.
9414         (warn_strict_overflow): Remove.
9415         * c-opts.c (c_common_handle_option): -Wall only sets
9416         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
9417         (c_common_post_options): Give default values to -Wstrict-aliasing
9418         and -Wstrict-overflow if they are uninitialized.
9419         * common.opt (Wstrict-aliasing): Specify Var and Init.
9420         (Wstrict-overflow): Likewise.
9422 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
9424         PR rtl-optimization/26854
9425         PR rtl-optimization/34400
9426         PR rtl-optimization/34884
9427         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
9428         DF_RD->gen.
9429         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
9430         (df_rd_bb_info.expanded_lr_out): Deleted
9431         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
9432         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
9433         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
9434         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
9435         Removed code to allocate, initialize or free expanded_lr_out.
9436         (df_rd_bb_local_compute_process_def): Restructured to make more
9437         understandable.
9438         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
9439         sets if the sets are being trimmed.
9441 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
9443         PR bootstrap/32287
9444         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
9445         (as_vers): Likewise.
9446         * configure: Regenerated.
9448 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9450         PR middle-end/33092
9451         * tree-pass.h (pass_build_alias): New pass.
9452         * tree-ssa-alias.c (gate_build_alias): New.
9453         (pass_build_alias): New.
9454         * passes.c (init_optimization_passes): Add pass_build_alias after
9455         pass_create_structure_vars.
9457 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
9459         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
9460         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
9461         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
9462         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
9463         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
9464         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
9465         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
9466         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
9467         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
9468         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
9469         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
9470         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
9471         * config/s390/s390.md (FP_ALL): New mode iterator.
9472         (_d): New mode attribute.
9473         ("*signbit<mode>2>"): Changed mode of first operand.
9474         ("isinf<mode>2"): Changed mode of first operand.
9475         ("*TDC_insn"): Adaptation for DFP modes.
9477 2008-01-22  Ben Elliston  <bje@au.ibm.com>
9479         * tree.c (check_qualified_type): Improve function description.
9481 2008-01-21  Jason Merrill  <jason@redhat.com>
9483         PR c++/34196
9484         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
9485         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
9486         if it is set.
9488 2008-01-21  DJ Delorie  <dj@redhat.com>
9490         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
9491         return zero.
9493 2008-01-21  Richard Guenther  <rguenther@suse.de>
9495         PR middle-end/34856
9496         * tree-cfg.c (verify_expr): Allow all invariant expressions
9497         instead of just constant class ones as reference argument.
9498         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
9499         like any other constant.
9500         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
9502 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
9504         * regmove.c (fixup_match_1): Update call crossed frequencies.
9506 2008-01-21  Richard Guenther  <rguenther@suse.de>
9508         PR c/34885
9509         * tree-inline.c (setup_one_parameter): Deal with mismatched
9510         types using a VIEW_CONVERT_EXPR.
9512 2008-01-21  Alon Dayan  <alond@il.ibm.com>
9513             Olga Golovanevsky  <olga@il.ibm.com>
9514         
9515         PR tree-optimization/34701
9516         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
9517         when the structure size is not a power of 2.
9519 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
9521         * doc/install.texi: Add doc for --enable-checking=df.
9522         
9523 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9525         PR rtl-optimization/34808
9526         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
9528 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
9530         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
9531         input.
9533 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
9535         PR rtl-optimization/26854
9536         PR rtl-optimization/34400
9537         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
9538         DF_RD->gen.
9539         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
9540         (df_rd_bb_info.expanded_lr_out): New.
9541         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
9542         * loop_iv.c (iv_analysis_loop_init): Ditto.
9543         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
9544         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
9545         Added code to allocate, initialize or free expanded_lr_out.
9546         (df_rd_bb_local_compute_process_def): Restructured to make
9547         more understandable.
9548         (df_rd_confluence_n): Add code to do nothing with fake edges and
9549         code to no apply invalidate_by_call sets if the sets are being trimmed.
9550         (df_lr_local_finalize): Renamed to df_lr_finalize.
9551         (df_live_local_finalize): Renamed to df_live_finalize.
9553 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
9555         PR target/34831
9556         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
9557         deciding whether to use reciprocal instructions.
9559 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
9561         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
9562         dwarf2out_note_section_used if cold_text_section is NULL.
9564 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
9566         PR gcov-profile/34610
9567         * tree-cfg.c (make_edges): Mark both outgoing edges from
9568         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
9569         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
9570         from OMP_FOR and OMP_CONTINUE outgoing edges.
9572         * tree-profile.c (tree_profiling): Return early if
9573         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
9574         at the end.
9575         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
9576         from cfun to child_cfun.
9577         * function.h (struct function): Add after_tree_profile bit.
9579 2008-01-19 Anatoly Sokolov <aesok@post.ru>
9581         * config/avr/avr.S (_exit): Disable interrupt.
9583 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
9584             Steven Bosscher  <stevenb.gcc@gmail.com>
9586         PR rtl-optimization/26854
9587         PR rtl-optimization/34400
9588         * df-problems.c (df_live_scratch): New scratch bitmap.
9589         (df_live_alloc): Allocate df_live_scratch when doing df_live.
9590         (df_live_reset): Clear the proper bitmaps.
9591         (df_live_bb_local_compute): Only process the artificial defs once
9592         since the order is not important.
9593         (df_live_init): Init the df_live sets only with the variables
9594         found live by df_lr.
9595         (df_live_transfer_function): Use the df_lr sets to prune the
9596         df_live sets as they are being computed.  
9597         (df_live_free): Free df_live_scratch.
9599 2008-01-18  Ian Lance Taylor  <iant@google.com>
9601         * common.opt: Add fmerge-debug-strings.
9602         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
9603         flag_merge_debug_strings rather than flag_merge_constants.
9604         * doc/invoke.texi (Option Summary): Mention
9605         -fmerge-debug-strings.
9606         (Debugging Options): Document -fmerge-debug-strings.
9608 2008-01-18  Ian Lance Taylor  <iant@google.com>
9610         PR c++/33407
9611         * tree.h (DECL_IS_OPERATOR_NEW): Define.
9612         (struct tree_function_decl): Add new field operator_new_flag.
9613         * tree-inline.c (expand_call_inline): When inlining a call to
9614         operator new, force the return value to go into a variable, and
9615         set DECL_NO_TBAA_P on that variable.
9616         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
9618 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
9620         PR debug/34484
9621         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
9622         DWARF2_DEBUGGING_INFO.
9623         (dwarf2out_note_section_used): Ditto.  Add prototype.
9624         (have_multiple_function_sections, text_section_used,
9625         cold_text_section_used, *cold_text_sections): Move declarations
9626         before their uses.
9628 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
9630         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
9631         field and add signal_ra.
9632         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
9633         assignments to frame state pc.  Move end of stack check after
9634         MD_FALLBACK_FRAME_STATE_FOR.
9635         (uw_update_context_1): Use frame state signal_regs if set, instead
9636         of checking signal_frame flag.
9637         (uw_update_context): Use frame state signal_ra if set.
9638         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
9639         * config/xtensa/linux-unwind.h: New file.
9641 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
9643         * modulo-sched.c (get_sched_window): Fix comment typo.
9645 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
9647         PR tree-optimization/34648
9648         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
9650 2008-01-17  Anatoly Sokolov <aesok@post.ru>
9652         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
9653         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
9655 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
9657         PR rtl-optimization/34400
9658         * df-core.c (df_worklist_dataflow_overeager,
9659         df_worklist_dataflow_doublequeue): New functions.
9660         (df_worklist_dataflow): Two different worklist solvers.
9661         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
9662         New param.
9664 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9666         PR testsuite/34821
9667         * doc/invoke.texi: Document the dependence on pthread for fopenmp
9668         and ftree-parallelize-loops.
9670 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
9672         PR rtl-optimization/34826
9673         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
9675 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
9677         * global.c (find_reg): Mark the eh regs as used if necessary.
9678         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
9679         * ra.h (struct allocno): no_eh_reg field added.  Changed
9680         no_stack_reg type to bitfield.
9682 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
9684         * tree.c (substitute_in_expr): Add missing 'break'.
9686 2008-01-17  Richard Guenther  <rguenther@suse.de>
9688         PR tree-optimization/34825
9689         * tree-ssa-math-opts.c (is_division_by): Do not recognize
9690         x / x as division to handle.
9692 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9694         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
9695         "-pthread" is specified.
9696         * pa-hpux11.h (LIB_SPEC): Likewise.
9698 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
9699             Peter Bergner  <bergner@vnet.ibm.com>
9701         PR rtl-optimization/33796
9702         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
9704 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9706         PR libgfortran/34699
9707         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
9708         static links.
9709         * pa-hpux10.h (LINK_SPEC): Likewise.
9710         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
9712 2008-01-16  Richard Guenther  <rguenther@suse.de>
9714         PR middle-end/32628
9715         * fold-const.c (fold_convert_const_int_from_int): Do not
9716         set overflow if that occured only because of a sign extension
9717         change when converting from/to a sizetype with the same
9718         precision and signedness.
9720 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
9722         PR debug/34249
9723         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
9724         location address to the correct place.  Update copyright year.
9726 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9728         * lambda-code.c (lambda_transform_legal_p): Handle the case of
9729         no dependences in the dependence_relations vector.
9731 2008-01-16  Jan Hubicka  <jh@suse.cz>
9733         PR rtl-optimization/31396
9734         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
9735         * cfg.c (dump_reg_info): Print it.
9736         * regs.h (struct reg_info_t): add freq_calls_crossed.
9737         (REG_FREQ_CALLS_CROSSED): New macro.
9738         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
9739         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
9740         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
9741         regmove_optimize): Update call crossed frequencies.
9742         * local-alloc.c (struct qty): Add freq_calls_crossed.
9743         (alloc_qty): Copute freq_calls_crossed.
9744         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
9745         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
9746         * ra.h (struct allocno): Add freq_calls_crossed.
9748 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9750         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
9751         libgomp when compiling with ftree-parallelize-loops.
9752         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
9754 2008-01-16  Richard Guenther  <rguenther@suse.de>
9756         PR tree-optimization/34769
9757         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
9758         * tree.c (int_cst_value): Instead make this function more
9759         permissive in what it accepts as valid input.  Document this
9760         function always sign-extends the value.
9762 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
9763             Richard Guenther  <rguenther@suse.de>
9765         PR c/34668
9766         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
9767         (gimple_fold_indirect_ref_rhs): ... this.
9768         (gimple_fold_indirect_ref): New function with foldings
9769         that preserve lvalueness.
9770         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
9771         * tree-flow.h (gimple_fold_indirect_ref): Declare.
9772         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
9773         to fold an INDIRECT_REF, fall back to the old use of
9774         fold_indirect_ref_1.
9776 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9778         * tree-data-ref.c (subscript_dependence_tester_1): Call 
9779         free_conflict_function.
9780         (compute_self_dependence): Same.
9782 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
9784         PR debug/34249
9785         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
9786         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
9787         function global.
9788         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
9789         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
9790         for DWARF2_UNWIND_INFO targets.
9792 2008-01-16  Richard Guenther  <rguenther@suse.de>
9794         PR c/34768
9795         * c-typeck.c (common_pointer_type): Do not merge inconsistent
9796         type qualifiers for function types.
9798 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
9800         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
9801         loop_iterator li from previous commit.
9803 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
9805         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
9807 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
9809         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
9810         (parallelize_loops): Don't parallelize irreducible components.
9812 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9814         PR c++/24924
9815         * c-opts (c_common_post_options): Do not enable CPP
9816         flag_pedantic_errors by default.
9817         
9818 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
9820         PR rtl-optimization/31944
9821         * cse.c (remove_pseudo_from_table): New function.
9822         (merge_equiv_classes): Use above function to remove pseudo-registers.
9823         (invalidate): Likewise.
9825 2008-01-13  Richard Guenther  <rguenther@suse.de>
9827         PR middle-end/34601
9828         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
9829         instead of TYPE_MODE to deal with calls from expand_one_error_var.
9831 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
9833         * gcse.c (cprop_jump): Call validate_unshare_change instead of
9834         validate_change to unshare the source of the PC set.
9836 2008-01-12  Jan Hubicka  <jh@suse.cz>
9838         PR middle-end/32135
9839         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
9840         references above array bounds.  This might trigger bounds checks for
9841         pointers to arrays.
9843 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
9845         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
9846         new_replaceable_dependencies.
9848 2008-01-12  Doug Kwan  <dougkwan@google.com>
9850         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
9851         instead of OPT_Wreturn_type in warning due to ignored return type
9852         qualifiers.
9853         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
9854         options included in -Wextra.
9855         * c.opt: New option -Wignored_qualifiers.
9856         * doc/invoke.texi (Warning Options, -Wextra): Add new option
9857         -Wignore_qualifiers.
9858         (-Wignored-qualifiers): Document.
9859         (-Wreturn-type): Remove description of functionality now handled
9860         by -Wignored-qualifiers.
9862 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
9864         PR ada/33788
9865         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
9866         NOP_EXPR if it is between integral types with the same precision.
9868 2008-01-12  Jan Hubicka  <jh@suse.cz>
9870         PR other/28023
9871         * invoke.texi (max-inline-recursive-depth): Fix default value.
9873 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
9875         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
9876         correct type.
9878 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
9879         
9880         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
9881         
9882 2008-01-11  James E. Wilson  <wilson@specifix.com>
9884         PR target/26015
9885         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
9887 2008-01-11  Anatoly Sokolov <aesok@post.ru>
9889         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
9890         save/restore frame pointer register and don't use 'call-prologues' 
9891         optimization in function with "OS_task" attribute.
9893 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
9895         PR middle-end/31309
9896         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
9897         when copying to memory.
9899 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
9901         PR rtl-optimization/30905
9902         * cfgcleanup.c: Include dce.h
9903         (crossjumps_occured): New global variable.
9904         (try_crossjump_bb): Exit loop after finding a fallthru edge.
9905         If something changed, set crossjumps_occured to true.
9906         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
9907         Don't add/remove fake edges to exit here...
9908         (cleanup_cfg): ...but do it here, when crossjumping.
9909         Run a fast DCE when successful crossjumps occured in the latest
9910         iteration of try_optimize_cfg.
9912 2008-01-11  Richard Guenther  <rguenther@suse.de>
9914         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
9915         (struct vn_unary_op_s): Likewise.
9916         (vn_reference_insert): Free old reference on hash collision.
9918 2008-01-10  Raksit Ashok  <raksit@google.com>
9920         PR rtl-optimization/27971
9921         * combine.c (find_split_point): Split PLUS expressions which are
9922         inside a MEM rtx, and whose first operand is complex.
9924 2008-01-10  DJ Delorie  <dj@redhat.com>
9926         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
9927         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
9928         (m32c_hard_regno_ok): Call the underlying function.
9930 2008-01-10  Richard Guenther  <rguenther@suse.de>
9932         PR middle-end/34683
9933         * tree-cfg.c (tree_merge_blocks): Do not go through the
9934         full-blown folding and stmt updating path if we just deal
9935         with virtual operands.
9936         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
9937         test for abnormal SSA_NAMEs.
9939 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
9941         PR middle-end/34641
9942         * reload.c (push_reload): Add assertions.  All constants from
9943         reg_equiv_constant should have been used for replacing the respective
9944         pseudo earlier.
9945         (find_reloads_address): Invoke find_reloads_address_part for
9946         constant taken from the reg_equiv_constant array.
9948 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
9950         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
9951         field (valnum) the first in the struct.  Replace bools with
9952         unit bit fields.
9954 2008-01-10  Richard Guenther  <rguenther@suse.de>
9956         PR tree-optimization/34651
9957         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
9958         types and ordering for masking and converting.
9960 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
9962         PR tree-optimization/34017
9963         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
9964         also for PHI_NODE expressions.
9966 2008-01-09  Jan Hubicka  <jh@suse.cz>
9968         PR tree-optimization/34708
9969         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
9970         based on number of case labels.
9971         (init_inline_once): Remove switch_cost.
9972         * tree-inline.h (eni_weights_d): Remove switch_cost.
9974 2008-01-09  Richard Guenther  <rguenther@suse.de>
9975         Andrew Pinski  <andrew_pinski@playstation.sony.com>
9977         PR middle-end/30132
9978         * gimplify.c (gimplify_cond_expr): Do not create an addressable
9979         temporary if an rvalue is ok or an lvalue is not required.
9981 2008-01-09  Richard Guenther  <rguenther@suse.de>
9983         PR middle-end/34458
9984         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
9985         adjust return type.
9987 2008-01-09  Richard Guenther  <rguenther@suse.de>
9989         PR middle-end/34679
9990         * tree.c (host_integerp): Check for sizetype only if the
9991         type is an integer type.
9993 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
9995         PR debug/26364
9996         * opts.c (decode_options): Disable inlining of functions called
9997         once if not in unit-at-a-time mode.
9999 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
10001         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
10003 2008-01-08  Richard Guenther  <rguenther@suse.de>
10005         PR middle-end/31863
10006         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
10007         out early if the result will be unused.
10009 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
10011         PR target/34709
10012         Revert:
10014         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
10015         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
10016         for TARGET_RECIP.       
10017         
10018 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
10019         
10020         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
10021         for vectorization tuned.
10022         
10023 2008-01-08  Richard Guenther  <rguenther@suse.de>
10025         PR tree-optimization/34683
10026         * tree-ssa-operands.c (operand_build_cmp): Export.
10027         * tree-ssa-operands.h (operand_build_cmp): Declare.
10028         * tree-vn.c (vuses_compare): Remove.
10029         (sort_vuses): Use operand_build_cmp.
10030         (sort_vuses_heap): Likewise.
10031         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
10032         to re-use old VEC if available.  Do not sort already sorted VUSEs.
10033         (vdefs_to_vec): Do not sort already sorted VDEFs.
10035 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
10037         PR middle-end/34694
10038         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
10040 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
10042         PR target/34702
10043         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
10044         limitations of reciprocal sequences on x86 targets.
10046 2008-01-08  Richard Guenther  <rguenther@suse.de>
10048         PR tree-optimization/34683
10049         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
10051 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
10053         PR target/34622
10054         * config/darwin.c (darwin_mergeable_string_section): Don't use
10055         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
10057 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
10059         PR target/34682
10060         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
10061         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
10062         predicates of op0 and op1 to register_operand.
10063         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
10064         expander using X87MODEF mode iterator.  Change predicates of
10065         op0 and op1 to register_operand.
10066         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
10067         corresponding patterns and macroize using MODEF macro.  Change
10068         predicates of op0 and op1 to register_operand and remove
10069         "m" constraint. Disparage "r" alternative with "!".
10070         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
10071         macroize using X87MODEF macro.  Change predicates of op0 and op1
10072         to register_operand and remove "m" constraint.  Disparage "r"
10073         alternative with "!".
10074         (absneg splitter with memory operands): Remove.
10075         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
10076         patterns and macroize using X87MODEF mode iterator.
10077         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
10078         Change predicate of op1 to register_operand.
10079         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
10080         for memory operands.
10082 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
10084         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
10086 2008-01-07  Richard Guenther  <rguenther@suse.de>
10088         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
10089         fields.
10091 2008-01-07  Richard Guenther  <rguenther@suse.de>
10093         PR tree-optimization/34683
10094         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
10095         VOPs of the needed size to save memory.  Use VEC_quick_push
10096         to save compile-time.
10097         (vdefs_to_vec): Likewise.
10099 2008-01-07  Sa Liu  <saliu@de.ibm.com>
10101         * config/spu/spu.md (divdf3): Genetate inline code for double
10102         division.  The implementation doesn't handle INF or NAN, therefore it
10103         only applies when -ffinite-math-only is given.
10105 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
10107         PR libstdc++/34680
10108         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
10109         * doc/cpp.texi ([Common Predefined Macros]): Document.
10111 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
10113         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
10114         order to use commutative addition instead of subtraction.
10116 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10117             Mircea Namolaru  <namolaru@il.ibm.com>
10118             Vladimir Yanovsky  <yanov@il.ibm.com>
10119             Revital Eres  <eres@il.ibm.com>
10121         PR tree-optimization/34263
10122         * tree-outof-ssa.c (process_single_block_loop_latch,
10123         contains_tree_r): New functions.
10124         (analyze_edges_for_bb): Call process_single_block_loop_latch
10125         function to empty single-basic-block latch block if possible.
10127 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
10129         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
10130         for TARGET_RECIP.
10131         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
10133 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
10135         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
10137 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
10139         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
10141 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
10143         PR tree-optimization/34618
10144         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
10145         flag from T.
10147 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
10149         PR target/34673
10150         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
10151         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
10152         Update copyright year.
10154         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
10155         Update copyright year.
10156         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
10157         using NR fixup.
10159 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
10161         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
10162         edge does not point to current bb before changing need_assert.
10164 2008-01-04  Richard Guenther  <rguenther@suse.de>
10166         PR middle-end/34029
10167         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
10168         for verifying purposes if they are is_gimple_min_invariant.
10170 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
10172         PR tree-optimization/34448
10173         PR tree-optimization/34465
10174         * gimplify.c (gimplify_init_constructor): Add new parameter
10175         notify_temp_creation.  Use it.
10176         (gimplify_modify_expr_rhs): Take volatiles into account when
10177         optimizing constructors.
10178         Do not optimize constructors if gimplify_init_constructor will dump to
10179         memory.
10180         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
10181         * gcc.c-torture/compile/pr34448.c: New.
10183 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
10185         PR gcov-profile/34609
10186         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
10187         return_slot if result is TREE_ADDRESSABLE.
10189 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
10191         * config/mips/mips.md (sqrt_condition): Tweak comment.
10192         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
10194 2008-01-03  Tom Tromey  <tromey@redhat.com>
10196         PR c/34457
10197         * c-common.c (c_type_hash): Handle VLAs.
10199 2008-01-03  Jan Hubicka  <jh@suse.cz>
10201         PR tree-optimization/31081
10202         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
10203         0 when inlining and not inlining to first basic block.
10204         (remap_decl): When var is initialized to 0, don't set default_def.
10205         (expand_call_inline): Set entry_bb.
10206         * tree-inline.h (copy_body_data): Add entry_bb.
10208 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
10210         PR c++/34619
10211         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
10212         before returning.
10214         PR tree-optimization/29484
10215         * tree-inline.c (inline_forbidden_p_2): New function.
10216         (inline_forbidden_p): Disallow inlining if some static var
10217         has an address of a local LABEL_DECL in its initializer.
10218         * doc/extend.texi (Labels as Values): Document &&foo behaviour
10219         vs. inlining.
10221 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
10223         PR tree-optimization/34635
10224         * tree-data-ref.c (add_other_self_distances): Make sure that the
10225         evolution step is constant.
10227 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
10229         PR middle-end/34608
10230         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
10232 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
10234         * tree-sra.c (scalarize_init): Insert the generate_element_init
10235         statements after the generate_element_zero statements.
10237 2008-01-02  Richard Guenther  <rguenther@suse.de>
10239         PR middle-end/34093
10240         PR middle-end/31976
10241         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
10242         for very large number of operands instead of ICEing.
10244 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
10246         PR target/34013
10247         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
10248         while stack probing.
10250 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
10252         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
10253         in C++0x mode.
10255 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
10257         PR libmudflap/26442
10258         * tree-mudflap.c (mx_register_decls): Guard warning by
10259         !DECL_ARTIFICIAL check.
10261 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
10263         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
10264         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
10265         sse5_perm<mode>): Fix constraints.