2008-05-20 David Daney <ddaney@avtrex.com>
[official-gcc.git] / gcc / ChangeLog
blobf354031add9a59641775cc3aa7a83fe5d9abbddf
1 2008-05-20  David Daney  <ddaney@avtrex.com>
3         * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
4         UNSPEC_SYNC_OLD_OP_12,
5         UNSPEC_SYNC_EXCHANGE_12): New define_constants.
6         (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER,
7         UNSPEC_SET_GOT_VERSION,
8         UNSPEC_UPDATE_GOT_VERSION): Renumber.
9         (optab, insn): Add 'plus' and 'minus' to define_code_attr.
10         (atomic_hiqi_op): New define_code_iterator.
11         (sync_compare_and_swap<mode>): Call
12         mips_expand_atomic_qihi instead of
13         mips_expand_compare_and_swap_12.
14         (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
15         MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to
16         MIPS_COMPARE_AND_SWAP_12.
17         (sync_<optab><mode>, sync_old_<optab><mode>,
18         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
19         sync_new_nand<mode>): New define_expands for HI and QI mode
20         operands.
21         (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
22         sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
23         (sync_lock_test_and_set<mode>): New define_expand for HI and QI
24         modes.
25         (test_and_set_12): New insn.
26         (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
27         sync_new_<optab><mode>, sync_old_nand<mode>,
28         sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
29         clobber to operand 0 for SI and DI mode insns.
30         * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
31         mips_gen_fn_4): New typedefs.
32         (mips_gen_fn_ptrs): Define new union type.
33         (mips_expand_compare_and_swap_12): Remove declaration.
34         (mips_expand_atomic_qihi): Declare function.
35         * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
36         (mips_expand_atomic_qihi): ... this.  Use new generator function
37         parameter.
38         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
39         (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
40         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP,
41         MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
42         MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
43         MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
44         MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
45         MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
46         MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
47         MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
48         MIPS_SYNC_EXCHANGE_12_ZERO_OP,
49         MIPS_SYNC_EXCHANGE_12_NONZERO_OP): New macros.
51 2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>
53         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
54         the missing break.
56 2008-05-20  Anatoly Sokolov <aesok@post.ru>
58         * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
59         * config/avr/avr.c (avr_OS_main_function_p): Add new function.
60         (avr_attribute_table): Add 'OS_main' function attribute.
61         (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
62         functions with 'OS_main' attribute.
64 2008-05-20  Richard Guenther  <rguenther@suse.de>
66         PR tree-optimization/35204
67         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
68         helper, split out from ...
69         (DFS): ... here.  Make the DFS walk non-recursive.
71 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
72             Jan Sjodin  <jan.sjodin@amd.com>
74         PR tree-optimization/36181
75         * tree-parloops.c (loop_has_vector_phi_nodes): New.
76         (parallelize_loops): Don't parallelize when the loop has vector
77         phi nodes.
79 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
80             Sebastian Pop  <sebastian.pop@amd.com>
82         * tree-loop-linear.c (gather_interchange_stats): Look in the access matrix,
83         and never look at the tree representation of the memory accesses.
84         (linear_transform_loops): Computes parameters and access matrices.
85         * tree-data-ref.c (compute_data_dependences_for_loop): Returns false when fails.
86         (access_matrix_get_index_for_parameter): New.
87         * tree-data-ref.h (struct access_matrix): New.
88         (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
89         AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
90         AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
91         am_vector_index_for_loop): New.
92         (struct data_reference): Add field access_matrix.
93         (DR_ACCESS_MATRIX): New.
94         (compute_data_dependences_for_loop): Update declaration.
95         (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
96         * lambda.h (lambda_vector_vec_p): Declared.
97         * lambda-code.c: Depend on pointer-set.h.
98         (lambda_collect_parameters_from_af, lambda_collect_parameters,
99         av_for_af_base, av_for_af, build_access_matrix,
100         lambda_compute_access_matrices): New.
101         * Makefile.in (lambda-code.o): Depend on pointer-set.h.
103 2008-05-20  Joseph Myers  <joseph@codesourcery.com>
105         * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
106         $SOURCEDIR/include.
108 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
109             Sebastian Pop  <sebastian.pop@amd.com>
111         PR tree-optimization/36206
112         * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
113         FOLD_CONVERSIONS.
114         (instantiate_scev_1): Rename flags to fold_conversions.
115         Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
116         outeside instantiation_loop.
117         * tree-chrec.h (evolution_function_is_affine_in_loop): New.
118         (evolution_function_is_affine_or_constant_p): Removed.
119         * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
120         instantiate_scev.
121         (analyze_siv_subscript): Pass in the loop nest number.
122         Call evolution_function_is_affine_in_loop instead of 
123         evolution_function_is_affine_p.
124         (analyze_overlapping_iterations): Pass in the loop nest number.
126 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
127             Sebastian Pop  <sebastian.pop@amd.com>
129         PR tree-optimization/36206
130         * tree-chrec.h (chrec_fold_op): New.
131         * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR, and
132         other trees.
134 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
136         * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
137         (DIRS_EQ): New.
138         (remove_duplicates): Do not set inode on non-inode systems.  Use
139         DIRS_EQ.
141 2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
143         * config.gcc (tm_file): Update comments about relative pathnames.
145 2008-05-20  Richard Guenther  <rguenther@suse.de>
147         * tree-ssa-reassoc.c (fini_reassoc): Use the statistics
148         infrastructure.
149         * tree-ssa-sccvn.c (process_scc): Likewise.
150         * tree-ssa-sink.c (execute_sink_code): Likewise.
151         * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
152         * tree-vrp.c (process_assert_insertions): Likewise.
153         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
154         (perform_tree_ssa_dce): Likewise.
155         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
156         (dump_dominator_optimization_stats): Likewise.
157         * tree-vectorizer.c (vectorize_loops): Likewise.
159 2008-05-20  Richard Guenther  <rguenther@suse.de>
161         * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
163 2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
165         * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
166         (ix86_i386elf_return_in_memory): Likewise.
167         (ix86_i386interix_return_in_memory): Likewise.
168         * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
169         (SUBTARGET_RETURN_IN_MEMORY): New.
170         * config/i386/i386elf.h: Likewise.
171         * config/i386/ptx4-i.h: Likewise.
172         * config/i386/sol2-10.h: Likewise.
173         * config/i386/sysv4.h: Likewise.
174         * config/i386/vx-common.h: Likewise.
175         * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
176         * config/i386/i386.c (ix86_return_in_memory): Made static and
177         make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
178         (ix86_i386elf_return_in_memory): Removed.
179         (ix86_i386interix_return_in_memory): Removed.
180         (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
181         * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
183 2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
185         * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
187 2008-05-19  Xinliang David Li  <davidxl@google.com>
189         * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18. 
190         * opts.c: Ditto.
191         * common.opt: Ditto.
192         * doc/invoke.texi: Ditto.
194 2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
196         * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
197         (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
199 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
201         * config/i386/i386.c (ix86_expand_vector_init_concat): Change
202         sizes of operand array from 8/4 to 4/2.
203         (ix86_expand_vector_init_general): Change size of operand array
204         from 32 to 16.  Remove op0, op1 and half_mode.
206 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
208         * config/i386/i386.c (ix86_expand_vector_init_concat): New.
209         (ix86_expand_vector_init_interleave): Likewise.
210         (ix86_expand_vector_init_general): Use them.  Assert word_mode
211         == SImode when n_words == 4.
213 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
215         * config/i386/i386.c (ix86_secondary_reload): New static function.
216         (TARGET_SECONDARY_RELOAD): New define.
217         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
218         * config/i386/i386.md (reload_outqi): Remove.
220 2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
222         PR middle-end/35509
223         * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
224         Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
225         (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
226         (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
227         (fold_builtin_1): Likewise.
228         * builtins.def (BUILT_IN_ISINF_SIGN): New.
229         c-common.c (check_builtin_function_arguments): Handle
230         BUILT_IN_ISINF_SIGN.
231         * doc/extend.texi: Document __builtin_isinf_sign.
232         * fold-const.c (operand_equal_p): Handle COND_EXPR.
234 2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
236         * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
237         EH cleanup at the end of the pass, search for those that have been
238         turned into forwarder blocks and do the cleanup on their successor.
240 2008-05-18  Richard Guenther  <rguenther@suse.de>
242         * tree-cfg.c (verify_gimple_expr): Allow conversions from
243         pointers to sizetype and vice versa.
245 2008-05-18 Xinliang David Li   <davidxl@google.com>
247         * gcc/tree-ssa-dce.c: Coding style fix.
248         (check_pow): Documentation comment. 
249         (check_log): Documenation comment. Coding style fix.
250         (is_unnecessary_except_errno_call): Ditto.
251         (gen_conditions_for_pow): Ditto.
252         (gen_conditions_for_log): Ditto.
253         (gen_shrink_wrap_conditions): Ditto.
254         (shrink_wrap_one_built_in_calls): Ditto.
255         * gcc/doc/invoke.texi: Better documentation string.
256         * ChangeLog: Fix wrong change log entries from 
257         May 17 checkin on function call DCE.
259 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
261         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
263 2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
265         * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
266         * df-problems.c (simulation routines): Fixed block comment to
267         properly say how to add forwards scanning functions.
268         
269 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
271         * tree-inline.c (setup_one_parameter): Remove dead code.
273 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
275         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
276         a BIT_AND_EXPR only for an INTEGER_TYPE.
278 2008-05-17 Xinliang David Li   <davidxl@google.com>
280         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
281         (check_pow, check_log, is_unnecessary_except_errno_call): New 
282         functions to check for eliminating math functions that are pure 
283         except for setting errno.
284         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
285         general condition expressions for shrink-wrapping pow/log calls.
286         (gen_shrink_wrap_conditions): Ditto.
287         (shrink_wrap_one_built_in_call): Ditto.
288         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
289         (mark_operand_necessary): If debugging, output if OP is necessary.
290         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
291         unnecessary.
292         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
293         opt level >= 2.
294         * gcc/common.opt: New user flag -ftree-builtin-dce.
295         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
297 2008-05-16  David S. Miller  <davem@davemloft.net>
299         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
300         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
302 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
304         PR target/36246
305         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
307 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
309         * ifcvt.c (dead_or_predicable): Rename
310         df_simulate_one_insn_backwards to df_simulate_one_insn.
311         * recog.c (peephole2_optimize): Ditto.
312         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
313         Ditto.
314         * df.h: Rename df_simulate_one_insn_backwards to
315         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
316         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
317         scanning of defs and uses.
318         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
319         (df_simulate_one_insn_forwards): Removed.
321 2008-05-16  Doug Kwan  <dougkwan@google.com>
323         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
324         QNaN & SNaN.
325         (real_from_string): Handle NaNs and Inf as approriate.
327 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
329         * doc/gty.texi (Source Files Containing Type Information): Note
330         that headers should appear first in the gtfiles list.
332 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
334         * tree.def (COND_EXEC): Properly documented this code.
336 2008-05-16  Diego Novillo  <dnovillo@google.com>
338         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
339         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
340         the new field.
342 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
344         * tree-ssa-dse (max_stmt_uid): Removed.
345         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt, 
346         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
347         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
348         * function.h (cfun.last_stmt_uid): New field.
349         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
350         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
351         New functions.
352         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
353         (create_stmt_ann): Initialize the ann->uid field.
354         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
355         with new calls.
356         * tree-flow.h (renumber_gimple_stmt_uids): New function.
358 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
360         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
361         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
362         (init_empty_tree_cfg): Call it.
364 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
366         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
367         Update all users.
369 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
371         * doc/invoke.text (-fdump-tree-*-verbose): New option.
372         * tree-dump.c (dump_options): New verbose option.
373         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
374         Add verbose dump.
375         * tree-pass.h (TDF_VERBOSE): New dump flag.
376         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
377         (tree-flow.h): Added include.
378         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
380 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
382         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
384         From Jie Zhang  <jie.zhang@analog.com>
385         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
386         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
387         mcpu=bf561-none and mcpu=bf561-0.2.
388         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
389         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
390         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
391         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
392         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
393         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
394         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
395         option.
396         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
397         (cputype_selected): Remove.
398         (bfin_handle_option): Don't use cputype_selected.
399         (override_options): When no mcpu option, enable all workarounds.
400         Don't use bfin_workarounds.
401         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
402         processor type.
403         (DEFAULT_CPU_TYPE): Don't define.
405 2008-05-16  Richard Guenther  <rguenther@suse.de>
407         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
408         on deletion of the last stmt.
410 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
412         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
413         V8HImode for SSE2 and V16QImode for SSE4.1.
415 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
417         * cgraph.h (compute_inline_parameters): Made public.
418         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
419         variable_generate_summary, function_write_summary,
420         variable_write_summary, variable_read_summary.  Added generate_summary,
421         write_summary, read_summary.
422         * cgraphunit.c (cgraph_process_new_functions): Changed call from
423         pass_ipa_inline.function_generate_summary, to
424         compute_inline_parameters. 
425         * ipa-inline.c (compute_inline_parameters): Made public and added
426         node parameter.
427         (compute_inline_parameters_for_current): New function.
428         (pass_inline_param): Now calls compute_inline_parameters_for_current.
429         (inline_generate_summary): Removed parameter and made to loop over
430         all cgraph nodes.
431         (pass_ipa_inline): Updated for new IPA_PASS structure.
432         * passes.c (execute_ipa_summary_passes): Now is called once per
433         pass rather than once per node*pass.
434         
435 2008-05-15  Anatoly Sokolov <aesok@post.ru>
437         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p, 
438         avr_have_mul_p, avr_asm_only_p): Remove variables.
439         (avr_override_options): Remove initialization of removed variables.
440         (avr_file_start):  Convert removed variables to fields of 
441         'struct base_arch_s *avr_current_arch'. 
442         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
443         (AVR_HAVE_MUL): (Ditto.).
444         (AVR_HAVE_MOVW): (Ditto.).
445         (AVR_HAVE_LPMX): (Ditto.). 
446         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p, 
447         avr_asm_only_p): Remove declaration.
449 2008-05-15  Diego Novillo  <dnovillo@google.com>
451         * config/arm/arm.c (arm_return_in_memory): Fix return type.
452         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
454 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
456         PR middle-end/36194
457         * combine.c (check_conversion): Rename back to check_promoted_subreg.
458         Don't call record_truncated_value from here.
459         (record_truncated_value): Turn it into a for_each_rtx callback.
460         (record_truncated_values): New function.
461         (combine_instructions): Call note_uses with record_truncated_values.
462         Change name of check_conversion to check_promoted_subreg. 
464 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
466         * doc/sourcebuild.texi: Document support for torture tests.
468 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
470         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
471         to alternative 4 of operand 2.
473 2008-05-15  Richard Guenther  <rguenther@suse.de>
475         * tree-pass.h (current_pass): Declare.
476         (get_pass_for_id): Likewise.
477         * passes.c (passes_by_id, passes_by_id_size): New globals.
478         (set_pass_for_id): New function.
479         (get_pass_for_id): Likewise.
480         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
481         (execute_function_todo): Flush per function statistics.
482         * toplev.c (compile_file): Init statistics.
483         (general_init): Do early statistics initialization.
484         (finalize): Finish statistics.
485         * statistics.h (statistics_early_init): Declare.
486         (statistics_init): Likewise.
487         (statistics_fini): Likewise.
488         (statistics_fini_pass): Likewise.
489         (statistics_counter_event): Likewise.
490         (statistics_histogram_event): Likewise.
491         * statistics.c: New file.
492         * Makefile.in (OBJS-common): Add statistics.o.
493         (statistics.o): Add dependencies.
494         * doc/invoke.texi (-fdump-statistics): Document.
496         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
497         (insert): Likewise.
498         (execute_pre): Use statistics_counter_event.
499         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
500         (substitute_and_fold): Increment it.  Use statistics_counter_event.
502 2008-05-15  Diego Novillo  <dnovillo@google.com>
504         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
506         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
507         * tree-ssa-alias.c (new_type_alias): Remove references to
508         sub-variables from comment.
509         * tree-ssa-operands.c (swap_tree_operands): Likewise.
511 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
513         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
514         attribute to 1 only for insertps alternative.
516 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
518         * config/bfin/bfin.md (loadbytes): New pattern.
519         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
520         (bfin_init_builtins): Initialize it.
521         (bdesc_1arg): Add it.
523 2008-05-15  Sa Liu  <saliu@de.ibm.com>
525         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
526         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
527         * testsuite/lib/target-supports.exp: Add
528         check_effective_target_fortran_integer_16.
530 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
532         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
533         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
534         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
535         (TARGET_RETURN_IN_MEMORY): Define.
537 2008-05-15  Richard Guenther  <rguenther@suse.de>
539         PR middle-end/36244
540         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
541         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
542         represent unmodifiable vars.
544 2008-05-15  Richard Guenther  <rguenther@suse.de>
546         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
547         INDIRECT_REF and TARGET_MEM_REF.
548         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
549         TARGET_MEM_REF.
551 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
552             H.J. Lu  <hongjiu.lu@intel.com>
554         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
555         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
556         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
557         insn alternatives.  Add missing alternatives.
558         (*vec_concatv2di_rex64_sse4_1): Likewise.
559         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
560         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
561         Require TARGET_SSE.
563 2008-05-15  Richard Guenther  <rguenther@suse.de>
565         PR tree-optimization/36009
566         PR tree-optimization/36204
567         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
568         (determine_invariantness_stmt): Record the loop a store is
569         always executed in.
570         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
571         dependency.
573 2008-05-15  Richard Guenther  <rguenther@suse.de>
575         PR tree-optimization/34330
576         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
577         through the pointer will alias the SMT.
579 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
581         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
583 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
585         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
587 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
588             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
590         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
591         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
592         (vashl_optab): New optab for vector/vector shifts.
593         (vashr_optab): Ditto.
594         (vlshr_optab): Ditto.
595         (vrotl_optab): Ditto.
596         (vrotr_optab): Ditto.
597         (optab_subtype): New enum for optab_for_tree_code call.
598         (optab_for_tree_code): Add enum optab_subtype argument.
600         * optabs.c (optab_for_tree_code): Take an additional argument to
601         distinguish between a vector shift by a scalar and vector shift by
602         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
603         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
604         vector shift by a vector.
605         (expand_widen_pattern_expr): Pass additional argument to
606         optab_for_tree_code.
608         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
609         vrotl_optab, vrotr_optab.
611         * expr.c (expand_expr_real_1): Update calls to
612         optab_for_tree_code to distinguish between vector shifted by a
613         scalar and vector shifted by a vector.
614         * tree-vectorizer.c (supportable_widening_operation): Ditto.
615         (supportable_narrowing_operation): Ditto.
616         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
617         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
618         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
619         (vect_create_epilog_for_reduction): Ditto.
620         (vectorizable_reduction): Ditto.
621         (vectorizable_operation): Ditto.
622         (vect_strided_store_supported): Ditto.
623         (vect_strided_load_supported): Ditto.
624         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
625         * expmed.c (expand_shift): Ditto.
627         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
628         scalar type.
629         (ashr@var{m}3): Ditto.
630         (vashl@var{m}3): Document new vector/vector shift standard name.
631         (vashr@var{m}3): Ditto.
632         (vlshr@var{m}3): Ditto.
633         (vrotl@var{m}3): Ditto.
634         (vrotr@var{m}3): Ditto.
636         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
637         (PPERM_INVERT): Ditto.
638         (PPERM_REVERSE): Ditto.
639         (PPERM_REV_INV): Ditto.
640         (PPERM_ZERO): Ditto.
641         (PPERM_ONES): Ditto.
642         (PPERM_SIGN): Ditto.
643         (PPERM_INV_SIGN): Ditto.
644         (PPERM_SRC1): Ditto.
645         (PPERM_SRC2): Ditto.
647         * config/i386/sse.md (mulv2di3): Add SSE5 support.
648         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
649         allows a memory operand to be the value being added, and split it
650         to improve vectorization.
651         (sse5_pmacsdqh_mem): Ditto.
652         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
653         (sse5_mulv2div2di3_high): Ditto.
654         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
655         (vec_pack_trunc_v4si): Ditto.
656         (vec_pack_trunc_v2di): Ditto.
657         (sse5_pcmov_<mode>): Remove code that tried to use use
658         andps/andnps instead of pcmov.
659         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
660         pmacsdqh instructions.
661         (vec_widen_smult_lo_v4si): Ditto.
663         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
664         (PPERM_INVERT): Ditto.
665         (PPERM_REVERSE): Ditto.
666         (PPERM_REV_INV): Ditto.
667         (PPERM_ZERO): Ditto.
668         (PPERM_ONES): Ditto.
669         (PPERM_SIGN): Ditto.
670         (PPERM_INV_SIGN): Ditto.
671         (PPERM_SRC1): Ditto.
672         (PPERM_SRC2): Ditto.
673         (ix86_expand_sse_movcc): Move the SSE5 test after the if
674         true/false tests.
675         (ix86_expand_int_vcond): If SSE5 generate all possible integer
676         comparisons.
677         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
678         says ignore whether the last reference is a memory operand.
680 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
681             Paolo Bonzini <bonzini at gnu dot org>
683         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
684         shift patterns.
686         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
687         (vlshr<mode>3): Rename from vlshr<mode>3.
688         (vashr<mode>3): Rename from vashr<mode>3.
689         (mulv4sf3): Change the names of vector shift patterns.
690         (mulv4si3): Ditto.
691         (negv4sf2): Ditt.
693         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
694         shift insns.
696         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
697         (SI_SHLHI): Ditto.
698         (SI_SHL): Ditto.
699         (SI_SHLI): Ditto.
700         (SI_ROTH): Ditto.
701         (SI_ROTHI): Ditto.
702         (SI_ROT): Ditto.
703         (SI_ROTI): Ditto.
704         (SPU_RL_0): Ditto.
705         (SPU_RL_1): Ditto.
706         (SPU_RL_2): Ditto.
707         (SPU_RL_3): Ditto.
708         (SPU_RL_4): Ditto.
709         (SPU_RL_5): Ditto.
710         (SPU_RL_6): Ditto.
711         (SPU_RL_7): Ditto.
712         (SPU_SL_0): Ditto.
713         (SPU_SL_1): Ditto.
714         (SPU_SL_2): Ditto.
715         (SPU_SL_3): Ditto.
716         (SPU_SL_4): Ditto.
717         (SPU_SL_5): Ditto.
718         (SPU_SL_6): Ditto.
719         (SPU_SL_7): Ditto.
721         * config/spu/spu.md (v): New iterator macro to add v for vector types.
722         (floatunssidf2_internal): Change vector/vector shift names.
723         (floatunsdidf2_internal): Ditto.
724         (mulv8hi3): Ditto.
725         (ashrdi3): Ditto.
726         (ashrti3): Ditto.
727         (cgt_df): Ditto.
728         (cgt_v2df): Ditto.
729         (dftsv): Ditto.
730         (vashl<mode>3): Rename from ashl<mode>3.
731         (vashr<mode>3): Rename from ashr<mode>3.
732         (vlshr<mode>3): Rename from lshr<mode>3.
733         (vrotl<mode>3): Rename from rotl<mode>3.
735 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
737         PR target/36224
738         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
739         multiply gives the wrong value when doing widening multiplies.
740         (vec_widen_smult_lo_v4si): Ditto.
742 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
744         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
745         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
746         emit_library_call_value. 
747         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
748         * tree.h (ECF_LIBCALL_BLOCK): Removed.
749         * calls.c (initialize_argument_information, precompute_arguments, 
750         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
751         (precompute_arguments): Removed flags parameter.
752         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
753         
754 2008-05-14  Richard Guenther  <rguenther@suse.de>
756         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
757         Make sure to register the store if the use is a PHI_NODE.
759 2008-05-14  Olivier Hainque  <hainque@adacore.com>
761         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
762         memory if the component is to be referenced in BLKmode according
763         to get_inner_reference.
765 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
767         * calls.c (emit_library_call_value_1): Restore code clearing
768         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
770 2008-05-14  Olivier Hainque  <hainque@adacore.com>
771             Nicolas Roche  <roche@adacore.com>
773         * configure.ac: Add support for a "gcc_subdir" variable in
774         config-lang.in, to denote a subdirectory where the language/GCC
775         integration files are to be found.
776         * configure: Regenerate.
778 2008-05-14  Ira Rosen  <irar@il.ibm.com>
780         PR tree-optimization/36098
781         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
782         value for the first load in the group in case of a gap.
783         (vect_build_slp_tree): Check that there are no gaps in loads.
785 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
787         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
788         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
789         expand_copysign_bit, ): Change call to emit_no_conflict_block to
790         emit_insn and remove unneeded code to construct extra args.
791         (emit_no_conflict_block): Removed.
792         * optabls.h: (emit_no_conflict_block): Removed.
793         * cse.c (cse_extended_basic_block): Remove search for
794         REG_NO_CONFLICT note.
795         * global.c: Removed incorrect comment added in revision 117.
796         * expr.c (convert_move): Change call to emit_no_conflict_block to
797         emit_insn.
798         * recog.c: Change comments so that they do not mention
799         REG_NO_CONFLICT.
800         * local_alloc.c (combine_regs): Removed last parameter.
801         (no_conflict_p): Removed.
802         (block_alloc): Removed note, no_conflict_combined_regno and set
803         local vars. Removed all code to process REG_NO_CONFLICT blocks.
804         (combine_regs): Removed already_dead and code to look for
805         REG_NO_CONFLICT notes.
806         * lower_subreg (remove_retval_note): Removed code to look for
807         REG_NO_CONFLICT block.
808         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
809         (resolve_clobber): Remove code to process libcalls that have
810         REG_NO_CONFLICT notes.
811         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
812         case.
813         * combine.c (can_combine_p, distribute_notes):  Removed
814         REG_NO_CONFLICT case.
815         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
816         to emit_insns.
817         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
818         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
819         Ditto.
820         * reg-notes.def (NO_CONFLICT): Removed.
822 2008-05-14  David S. Miller  <davem@davemloft.net>
824         * config/sparc/sparc.c (sparc_profile_hook): If
825         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
826         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
827         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
829 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
831         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
833 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
835         PR target/36222
836         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
837         and op1 expansion before vector concat to have less live pseudos.
839 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
841         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
842         ix86_expand_vector_set if supported.
844 2008-05-13  Diego Novillo  <dnovillo@google.com>
845             Kenneth Zadeck  <zadeck@naturalbridge.com>
847         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
849         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
850         phinodes_print_statistics, init_ssanames, fini_ssanames,
851         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
852         release_ssa_name, release_defs, replace_ssa_name_symbol,
853         ssanames_print_statistics): Move ...
854         * tree-flow.h: ... here.
855         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
856         Use FN instead of cfun.
857         (make_ssa_name_fn): Rename from make_ssa_name.
858         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
859         * tree-flow-inline.h (make_ssa_name): Move from
860         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
861         * omp-low.c (expand_omp_parallel):
862         * tree-flow-inline.h (redirect_edge_var_map_result):
863         * tree-ssa.c (init_tree_ssa): Add argument FN.
864         Use it instead of cfun.  Update all users.
866 2008-05-13  Tom Tromey  <tromey@redhat.com>
868         PR preprocessor/22168:
869         * doc/cpp.texi (Top): Update menu.
870         (Alternatives to Wrapper #ifndef): New node.
871         (Other Directives): Document deprecation.
872         (Obsolete Features): Remove menu.
873         (Assertions): Merge node into Obsolete Features.
874         (Obsolete once-only headers): Move earlier; rename to Alternatives
875         to Wrapper #ifndef.
876         * doc/cppopts.texi: Update.
877         * c.opt (Wdeprecated): Enable for C and ObjC.
878         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
879         (C++ Dialect Options): Move -Wno-deprecated from here to...
880         (Warning Options): ... here.
882 2008-05-13  Richard Guenther  <rguenther@suse.de>
884         PR middle-end/36227
885         * fold-const.c (fold_sign_changed_comparison): Do not allow
886         changes in pointer-ness.
888 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
890         PR target/24713
891         * config/sh/sh.c (sh_expand_prologue): Don't clear
892         RTX_FRAME_RELATED_P for push insns.
894 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
896         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
898 2008-05-12  Anatoly Sokolov <aesok@post.ru>
900         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
901         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
902         Use 'machine->is_leaf' instead of 'leaf_func_p'.
904 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
906         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
907         (*vec_concatv4sf_sse): This.
908         (*sse2_concatv2si): Renamed to ...
909         (*vec_concatv2si_sse2): This.
910         (*sse1_concatv2si): Renamed to ...
911         (*vec_concatv2si_sse): This.
912         (*vec_concatv2di_rex): Renamed to ...
913         (*vec_concatv2di_rex64): This.
914         (*vec_concatv2si_sse4_1): New.
915         (*vec_concatv2di_rex64_sse4_1): Likewise.
917 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
919         PR rtl-optimization/36111
920         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
921         that was created for swappable operands.
923 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
925         PR ada/36001
926         * Makefile.in: Substitute GNATMAKE and GNATBIND.
927         * configure.ac: Add call to ACX_PROG_GNAT.
929 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
931         * optc-gen.awk: Fix comment typo.
933 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
935         * pretty-print.c (pp_integer_with_precision): Use
936         HOST_LONG_LONG_FORMAT.
938 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
940         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
941                 
942 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
944         * config/i386/i386.c (bdesc_ptest): Removed.
945         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
946         (bdesc_args): Add __builtin_ia32_ptestz128,
947         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
948         (ix86_init_mmx_sse_builtins): Updated.
949         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
950         (ix86_expand_builtin): Updated.
952 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
954         * tree-cfg.c (valid_fixed_convert_types_p): New function.
955         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
957 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
959         * value-prof.c (interesting_stringop_to_profile): Do not
960         return early for BUILT_IN_MEMPCPY.
962 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
964         * calls.c (expand_call): Don't use callgraph to increase
965         preferred_stack_boundary.
967         * cgraph.h (cgraph_rtl_info): Use unsigned on
968         preferred_incoming_stack_boundary.
970         * final.c (rest_of_clean_state): Use unsigned on
971         preferred_stack_boundary.
973 2008-05-09  Tom Tromey  <tromey@redhat.com>
975         PR preprocessor/22231:
976         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
977         proceeding.
979 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
981         PR tree-optimization/36129
982         * tree-ssa-ccp.c: Include value-prof.h.
983         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
984         built-in function was folded to a constant.
985         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
987 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
988             Sebastian Pop  <sebastian.pop@amd.com>
990         * tree-scalar-evolution.c: Document instantiate_scev.
991         (instantiate_parameters_1): Renamed instantiate_scev_1.
992         Don't use the same loop for instantiation_loop and evolution_loop.
993         (instantiate_scev): New.
994         (instantiate_parameters): Moved...
995         (resolve_mixers): Update call to instantiate_scev_1 to pass the
996         same loop twice.  Maintains the semantics for this function.
997         * tree-scalar-evolution.h (instantiate_scev): Declare.
998         (instantiate_parameters): ...here.  Now static inline.
999         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
1000         instead of resolve_mixers.
1002 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
1004         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
1006 2008-05-09  Tomas Bily  <tbily@suse.cz>
1008         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
1009         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
1010         * tree-ssa-structalias.c (get_constraint_for): Likewise.
1011         * c-common.c (c_common_truthvalue_conversion): Likewise.
1012         * tree-object-size.c (compute_object_offset): Likewise.
1013         * tree-inline.c (estimate_num_insns_1): Likewise.
1014         * varasm.c (const_hash_1, compare_constant, copy_constant)
1015         (compute_reloc_for_constant, output_addressed_constants)
1016         (initializer_constant_valid_p): Likewise.
1017         * c-omp.c (check_omp_for_incr_expr): Likewise.
1018         * gimplify.c (gimplify_expr): Likewise.
1019         * c-typeck.c (c_finish_return): Likewise.
1020         * tree-vectorizer.c (supportable_widening_operation)
1021         (supportable_narrowing_operation): Likewise.
1022         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
1023         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
1024         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
1025         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
1026         (descr_info_loc): Likewise.
1027         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
1028         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
1029         (fold_unary): Likewise.
1030         * builtins.c (get_pointer_alignment): Likewise.
1031         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
1032         (instantiate_parameters_1): Likewise.
1033         * tree.c (expr_align, stabilize_reference): Likewise.
1034         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1035         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
1036         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
1037         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
1038         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
1039         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
1040         Likewise.
1041         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
1042         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
1043         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
1044         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
1045         (forward_propagate_comparison)
1046         (tree_ssa_forward_propagate_single_use_vars): Likewise.
1047         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
1048         * emit-rtl.c (component_ref_for_mem_expr)
1049         (set_mem_attributes_minus_bitpos): Likewise.
1050         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
1051         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
1052         Likewise.
1053         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
1054         (build_function_call, pointer_diff, build_compound_expr)
1055         (c_finish_return): Likewise.
1056         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
1057         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
1058         Likewise.
1059         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
1060         * expr.c (is_aligning_offset): Likewise.
1061         * tree-ssa-alias.c (is_escape_site): Likewise.
1062         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
1063         (check_all_va_list_escapes): Likewise.
1064         * tree-ssa-loop-ivopts.c (determine_base_object)
1065         (determine_common_wider_type): Likewise.
1066         * dojump.c (do_jump): Likewise.
1067         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
1068         * tree-gimple.c (is_gimple_cast): Likewise.
1069         * fold-const.c (decode_field_reference, )
1070         (fold_sign_changed_comparison, fold_unary, fold_comparison)
1071         (fold_binary): Likewise.
1072         * tree-ssa-alias-warnings.c (find_alias_site_helper)
1073         (already_warned_in_frontend_p): Likewise.
1074         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
1075         * tree.c (really_constant_p, get_unwidened): Likewise.
1076         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
1077         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
1078         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
1079         Likewise.
1080         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
1081         CONVERT_EXPR_P.
1082         (CONVERT_EXPR_P): Define.
1083         (CASE_CONVERT): Define.
1084         
1085 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
1087         PR middle-end/36117
1088         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
1089         (delete_unmarked_insns): When deleting a call, call
1090         delete_unreachable_blocks.
1091         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
1092         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
1094 2008-05-08  Richard Guenther  <rguenther@suse.de>
1096         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
1097         (-ftree-salias): Likewise.
1098         (salias-max-implicit-fields): Remove param documentation.
1099         (salias-max-array-elements): Likewise.
1100         * tree-pass.h (pass_create_structure_vars): Remove.
1101         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
1102         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
1103         * tree-ssa-alias.c (create_structure_vars): Remove.
1104         (gate_structure_vars): Likewise.
1105         (pass_create_structure_vars): Likewise.
1106         (gate_build_alias): Likewise.
1107         (pass_build_alias): Adjust to run always and dump the function.
1108         * common.opt (ftree-salias): Hide.
1109         * passes.c (init_optimization_passes): Remove
1110         pass_create_structure_vars, adjust comment.
1111         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
1112         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
1113         * opts.c (decode_options): Do not set flag_tree_salias.
1114         (common_handle_option): Add OPT_ftree_salias to the backward
1115         compatibility section.
1117 2008-05-08  Richard Guenther  <rguenther@suse.de>
1119         * tree-flow-inline.h (var_can_have_subvars): Move ...
1120         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
1121         * tree-flow.h (var_can_have_subvars): Remove.
1122         (push_fields_onto_fieldstack): Remove.
1123         (sort_fieldstack): Likewise.
1124         (struct fieldoff): Move ...
1125         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
1126         alias_set and base_for_components fields.
1127         (sort_fieldstack): Make static.
1128         (push_fields_onto_fieldstack): Likewise.  Remove code that
1129         handles anything but RECORD_TYPEs.  Remove alias_set and
1130         base_for_components handling.
1131         (create_variable_info_for): Adjust.
1133 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
1135         * common.opt (Wframe-larger-than=): Shorten the help message
1136         to one line.
1137         * doc/invoke.texi (Wframe-larger-than=): Add more description.
1139 2008-05-08  Rafael Espindola  <espindola@google.com>
1141         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
1142         trap.
1143         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
1144         trap and that both operands are gimple values.
1145         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
1146         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
1147         is a fp operation.
1149 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
1151         * read-rtl.c (join_c_conditions): Return the first string if the
1152         two strings are equal.
1154 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
1156         * gensupport.h (pred_data): Add a "num_codes" field.
1157         (add_predicate_code): Declare.
1158         * gensupport.c (add_predicate_code): New function.
1159         (std_pred_table): Add an "allows_const_p" field.
1160         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
1161         Remove the (incomplete) list of such codes from the codes field.
1162         (init_predicate_table): Use add_predicate_code.  Add all
1163         RTX_CONST_OBJs if allows_const_p is true.
1164         * genrecog.c (process_define_predicate): Use add_predicate_code.
1166 2008-05-08  David Daney  <ddaney@avtrex.com>
1167             Richard Sandiford  <rsandifo@nildram.co.uk>
1168         
1169         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
1170         special case of constant zero operands.
1171         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
1172         old and new values.  Special case constant zero values.
1173         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
1174         fails.
1175         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
1176         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
1178 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
1180         PR target/36090
1181         * simplify-rtx.c (simplify_plus_minus): Create CONST of
1182         similar RTX_CONST_OBJ before CONST_INT.
1184 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
1186         * stmt.c (expand_stack_restore): Change sa mode if needed.
1188 2008-05-08  Richard Guenther  <rguenther@suse.de>
1190         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
1191         return type to bool.
1192         (ix86_sol10_return_in_memory): Likewise.
1193         (ix86_i386elf_return_in_memory): Likewise.
1194         (ix86_i386interix_return_in_memory): Likewise.
1195         * config/i386/i386.c (ix86_return_in_memory): Likewise.
1196         (ix86_sol10_return_in_memory): Likewise.
1197         (ix86_i386elf_return_in_memory): Likewise.
1198         (ix86_i386interix_return_in_memory): Likewise.
1200 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
1202         PR bootstrap/36180
1203         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
1204         fndecl argument.
1205         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
1206         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
1207         declared in front.
1209 2008-05-08  Richard Guenther  <rguenther@suse.de>
1211         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
1212         * tree-data-ref.h (struct dr_alias): Remove subvars field.
1213         (DR_SUBVARS): Remove.
1214         * tree-dfa.c (dump_subvars_for): Remove.
1215         (debug_subvars_for): Likewise.
1216         (dump_variable): Do not dump subvars.
1217         (remove_referenced_var): Do not remove subvars.
1218         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
1219         (lookup_subvars_for_var): Remove.
1220         (get_subvars_for_var): Likewise.
1221         (get_subvars_at): Likewise.
1222         (get_first_overlapping_subvar): Likewise.
1223         (overlap_subvar): Likewise.
1224         * tree-flow.h (subvar_t): Remove.
1225         (struct var_ann_d): Remove subvars field.
1226         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
1227         argument.  Remove special handling of SFTs.
1228         (compute_tag_properties): Likewise.
1229         (set_initial_properties): Likewise.
1230         (compute_call_clobbered): Likewise.
1231         (count_mem_refs): Likewise.
1232         (compute_memory_partitions): Likewise.
1233         (compute_flow_insensitive_aliasing): Likewise.
1234         (setup_pointers_and_addressables): Likewise.
1235         (new_type_alias): Likewise.
1236         (struct used_part): Remove.
1237         (used_portions): Likewise.
1238         (struct used_part_map): Likewise.
1239         (used_part_map_eq): Likewise.
1240         (used_part_map_hash): Likewise.
1241         (free_used_part_map): Likewise.
1242         (up_lookup): Likewise.
1243         (up_insert): Likewise.
1244         (get_or_create_used_part_for): Likewise.
1245         (create_sft): Likewise.
1246         (create_overlap_variables_for): Likewise.
1247         (find_used_portions): Likewise.
1248         (create_structure_vars): Likewise.
1249         * tree.def (STRUCT_FIELD_TAG): Remove.
1250         * tree.h (MTAG_P): Adjust.
1251         (struct tree_memory_tag): Remove base_for_components and
1252         unpartitionable flags.
1253         (struct tree_struct_field_tag): Remove.
1254         (SFT_PARENT_VAR): Likewise.
1255         (SFT_OFFSET): Likewise.
1256         (SFT_SIZE): Likewise.
1257         (SFT_NONADDRESSABLE_P): Likewise.
1258         (SFT_ALIAS_SET): Likewise.
1259         (SFT_UNPARTITIONABLE_P): Likewise.
1260         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
1261         (union tree_node): Remove sft field.
1262         * alias.c (get_alias_set): Remove special handling of SFTs.
1263         * print-tree.c (print_node): Remove handling of SFTs.
1264         * tree-dump.c (dequeue_and_dump): Likewise.
1265         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
1266         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
1267         * tree-predcom.c (set_alias_info): Do not set subvars.
1268         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
1269         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
1270         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
1271         (add_vars_for_offset): Remove.
1272         (add_virtual_operand): Remove special handling of SFTs.
1273         (add_call_clobber_ops): Likewise.
1274         (add_call_read_ops): Likewise.
1275         (get_asm_expr_operands): Likewise.
1276         (get_modify_stmt_operands): Likewise.
1277         (get_expr_operands): Likewise.
1278         (add_to_addressable_set): Likewise.
1279         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
1280         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
1281         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
1282         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
1283         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
1284         (tree_node_structure): Likewise.
1285         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
1286         handling of SFTs.
1287         (find_what_p_points_to): Likewise.
1289 2008-05-08  Sa Liu  <saliu@de.ibm.com>
1291         * config/spu/spu.md: Fixed subti3 pattern.
1293 2008-05-08  Richard Guenther  <rguenther@suse.de>
1295         PR middle-end/36154
1296         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
1297         sure to create a representative for trailing arrays for PTA.
1299 2008-05-08  Richard Guenther  <rguenther@suse.de>
1301         PR middle-end/36172
1302         * fold-const.c (operand_equal_p): Two objects which types
1303         differ in pointerness are not equal.
1305 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
1307         * calls.c (compute_argument_block_size): Add argument tree fndecl.
1308         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
1309         (emit_library_call_value_1): Add new variable fndecl initialized by
1310         NULL_TREE. It should be the decl type of orgfun, but this information
1311         seems not to be available here, so it uses the default calling abi.
1312         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
1313         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
1314         by TARGET_RETURN_IN_MEMORY.
1315         * config/i386/i386-interix.h: Likewise.
1316         * config/i386/i386.h: Likewise.
1317         * config/i386/i386elf.h: Likewise.
1318         * config/i386/ptx4-i.h: Likewise.
1319         * config/i386/sol2-10.h: Likewise.
1320         * config/i386/sysv4.h: Likewise.
1321         * config/i386/vx-common.h: Likewise.
1322         * config/cris/cris.h: Removed #if 0 clause.
1323         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
1324         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
1325         argument.
1326         (ix86_sol10_return_in_memory): Likewise.
1327         (ix86_i386elf_return_in_memory): New.
1328         (ix86_i386interix_return_in_memory): New.
1329         * config/mt/mt-protos.h (mt_return_in_memory): New.
1330         * config/mt/mt.c: Likewise.
1331         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
1332         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
1333         * config/bfin/bfin.h: Likewise.
1334         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
1335         argument.
1336         * config/bfin/bfin.c: Likewise.
1337         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
1338         * config/alpha/unicosmk.h: Likewise.
1339         * config/i386/cygming.h: Likewise.
1340         * config/iq2000/iq2000.h: Likewise.
1341         * config/mips/mips.h: Likewise.
1342         * config/mn10300/mn10300.h: Likewise.
1343         * config/rs6000/rs6000.h: Likewise.
1344         * config/score/score.h: Likewise.
1345         * config/spu/spu.h: Likewise.
1346         * config/v850/v850.h: Likewise.
1347         * defaults.h: Likewise.
1348         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
1349         * expr.c (emit_block_move): Adjust use of
1350         OUTGOING_REG_PARM_STACK_SPACE.
1351         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
1352         OUTGOING_REG_PARM_STACK_SPACE.
1353         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
1355 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
1357         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
1358         on OMP_RETURN for OMP_FOR.
1360         PR debug/35896
1361         * dwarf2out.c (dw_expand_expr, common_check): Removed.
1362         (fortran_common): New function.
1363         (gen_variable_die): Call fortran_common instead of common_check,
1364         adjust for it returning tree instead of rtx.  Formatting.
1366 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
1368         PR rtl/7335
1369         PR rtl/33826
1370         * see.c (see_copy_insn): Copy new pure const attributes for new call.
1371         * c-decl.c (merge_decls): Ditto.
1372         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
1373         to RTL_CONST_OR_PURE_CALL_P.
1374         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
1375         Initialized DECL_LOOPING_CONST_PURE.
1376         (process_call_operands): Set tree_side_effects properly.
1377         * tree.h (TREE_READONLY_DECL_P): Removed.
1378         (DECL_IS_PURE): Renamed to DECL_PURE_P.
1379         (DECL_LOOPING_OR_CONST_P): New macro.
1380         (struct tree_function_decl): Added looping_const_or_pure_p.
1381         (ECF_*) Renumbered.
1382         (ECF_LOOPING_OR_CONST_P): New macro.
1383         * rtlanal.c (pure_const_p): Removed.
1384         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
1385         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
1386         to RTL_CONST_CALL_P.
1387         * ipa-pure-const.c (pure_const_state_e): Added looping field.
1388         (check_decl, check_tree, check_call, scan_function): Initialize
1389         looping.
1390         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
1391         (static_execute): Set looping true for recursive functions.
1392         Undo setting state to IPA_NEITHER for recursive functions.
1393         * cse.c (cse_insn): 
1394         * ifcvt.c (noce_can_store_speculate_p): Changed
1395         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or 
1396         RTL_CONST_OR_PURE_CALL_P.
1397         * dse.c (scan_insn): Ditto.
1398         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
1399         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
1400         RTL_CONST_OR_PURE_CALL_P.
1401         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
1402         pure_call_p to RTL_CONST_CALL_P.
1403         * gimplify.c (gimplify_call_expr): Clear side effects for
1404         non-looping pure and constant calls.
1405         * calls.c (emit_call_1): Set rtl flags from ecf flags.
1406         (flags_from_decl_or_type): Set ecf flags from decl flags.
1407         (initialize_argument_information): Turn off
1408         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
1409         Change const to pure if callee_copies is true rather than just
1410         turning off const.
1411         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
1412         way of marking pure calls.
1413         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
1414         Remove hack that was supposed to fix pr7335 and remove old
1415         way of marking pure calls.
1416         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
1417         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
1418         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
1419         RTL_CONST_OR_PURE_CALL_P.
1420         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
1421         * loop-invariant.c (find_exits, find_invariant_bb): Changed
1422         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
1423         * sched-deps.c (schedule_analyze): Ditto.
1424         * rtl.h (struct rtx_def): Use call field, unchanging field, and
1425         return_val field of calls to represent pure and const function info.
1426         (CONST_OR_PURE_CALL_P): Deleted macro.
1427         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
1428         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
1429         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
1430         TREE_READONLY.
1431         * tree-optimize.c (execute_fixup_cfg): Added test for
1432         ECF_LOOPING_CONST_OR_PURE.
1433         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
1434         DECL_PURE_P.
1435         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
1436         effects for looping pure or const calls.
1437         (verify_gimple_expr): Added verification code. 
1438         * config/alpha/alpha.c (alpha_legitimize_address,
1439         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
1440         RTL_CONST_CALL_P.
1441         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
1442         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
1443         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
1444         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
1445         RTL_CONST_OR_PURE_CALL_P.
1446         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
1447         and const calls to be deleted.
1449 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
1451         PR target/35714
1452         * config/i386/mmx.md (mmx_subv2sf3): New expander.
1453         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
1454         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
1455         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1456         to handle nonimmediate operands.
1457         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
1458         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
1459         to handle nonimmediate operands.
1460         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
1461         (mmx_pmulhrwv4hi3): New expander.  Use
1462         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1463         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
1464         (sse2_umulv1siv1di3): New expander.  Use
1465         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1466         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
1467         (mmx_eq<mode>3): New expander.  Use
1468         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1469         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
1470         (mmx_uavgv8qi3): New expander.  Use
1471         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1472         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
1473         (mmx_uavgv4hi3): New expander.  Use
1474         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1476         * config/i386/sse.md
1477         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
1478         to handle nonimmediate operands.
1479         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
1480         to handle nonimmediate operands.
1481         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
1482         to handle nonimmediate operands.
1483         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
1484         to handle nonimmediate operands.
1485         (sse2_unpckhpd_exp): New expander.  Use
1486         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1487         (sse2_unpcklpd_exp): New expander.  Use
1488         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1489         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
1490         to handle nonimmediate operands.
1491         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
1492         to handle nonimmediate operands.
1493         (*sse2_<plusminus_insn><mode>3): Rename from
1494         sse2_<plusminus_insn><mode>3 insn pattern.
1495         (sse2_<plusminus_insn><mode>3): New expander.  Use
1496         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1497         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
1498         (sse2_umulv2siv2di3): New expander.  Use
1499         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1500         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
1501         (sse4_1_mulv2siv2di3): New expander.  Use
1502         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1503         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
1504         (sse2_pmaddwd): New expander.  Use
1505         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1506         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
1507         (sse2_eq<mode>3): New expander.  Use
1508         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1509         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
1510         (sse4_1_eqv2di3): New expander.  Use
1511         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1512         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
1513         (sse2_uavgv16qi3): New expander.  Use
1514         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1515         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
1516         (sse2_uavgv16qi3): New expander.  Use
1517         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1518         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
1519         (sse2_uavgv8hi3): New expander.  Use
1520         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1521         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
1522         (ssse3_pmulhrswv8hi3): New expander.  Use
1523         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1524         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
1525         (ssse3_pmulhrswv4hi3): New expander.  Use
1526         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1528         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
1529         (<sse>_vmmul<mode>3): Ditto.
1530         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
1531         (divv2df3): Ditto.
1532         (ssse3_pmaddubsw128): Use register_operand for operand 1.
1533         (ssse3_pmaddubsw): Ditto.
1535         * config/i386/i386.c (struct_builtin_description)
1536         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
1537         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
1538         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
1539         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
1540         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
1541         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
1542         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
1543         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
1544         (ix86_fixup_binary_operands): Assert that src1
1545         and src2 must have the same mode when swapped.
1546         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
1547         and ix86_binary_operator_ok.  Do not force operands in registers
1548         when optimizing.
1550 2008-05-07  Jan Hubicka  <jh@suse.cz>
1552         * cgraph.c (dump_cgraph_node): Update.
1553         * cgraph.h (cgraph_local_info): Break out inline summary.
1554         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
1555         hook.
1556         * ipa-inline (inline_summary): New accestor function.
1557         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
1558         cgraph_decide_inlining, compute_inline_parameters): Update.
1559         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
1561 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
1563         Cleanup ColdFire scheduling support and add V4 pipeline model.
1565         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
1566         (define_attr cpu): Add cfv4 value.
1567         (define_attr type, define_attr type1): Merge into a single 'type'
1568         attribute.  Update all uses.
1569         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
1570         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
1571         Update all uses.
1572         (define_attr opx_mem, define_attr opy_mem): Remove.
1573         (define_attr op_mem): Clean up, update comment.
1574         (define_attr size): Use specific values instead of general int.
1575         (define_attr guess, define_attr split): Remove.  Update all uses.
1576         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
1577         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
1578         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
1579         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
1580         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
1581         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
1582         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
1583         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
1584         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
1585         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
1586         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
1587         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
1588         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
1589         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
1590         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
1591         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
1592         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
1593         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
1594         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
1595         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
1596         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
1597         Update or set attributes.
1598         (stack_tie): New fake instruction.
1600         * config/m68k/m68k.h (TUNE_CFV4): New macro.
1601         (m68k_sched_attr_size): Update declaration.
1602         (m68k_sched_attr_type2): Remove.
1603         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
1604         Declare new bypass predicates.
1606         * config/m68k/m68k.c (m68k_sched_issue_rate,
1607         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
1608         implementations.
1609         (TARGET_SCHED_ISSUE_RATE,
1610         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
1611         (override_options): Handle scheduling for ColdFire V4 core.
1612         (m68k_expand_prologue): Emit stack_tie.
1613         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
1614         'OP_TYPE_FPN'.  Update all uses.
1615         (sched_guess_p): Remove.
1616         (sched_address_type): Handle symbolic addresses.
1617         (sched_get_operand): New static function.
1618         (sched_operand_type): Merge into sched_attr_op_type.
1619         (sched_attr_op_type): Handle FP registers, handle quick constants,
1620         update.
1621         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
1622         (m68k_sched_attr_size): Update.  Move logic to ...
1623         (sched_get_attr_size_int): New static function.
1624         (sched_get_opxy_mem_type): New static function.
1625         (m68k_sched_attr_op_mem): Update.
1626         (m68k_sched_attr_type2): Remove.
1627         (sched_cfv4_bypass_data): New static variable.
1628         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
1629         (m68k_sched_issue_rate): Implement scheduler hook.
1630         (struct _sched_ib: enabled_p): New field.
1631         (m68k_sched_variable_issue): Update.  Handle V4.
1632         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
1633         sched_dump_class_func_t, sched_dump_split_class,
1634         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
1635         sched_dump_dfa_class, m68k_sched_dump): Remove.
1636         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
1637         hook.
1638         (m68k_sched_init_global): Remove statisctics dumping, introduce
1639         sanity check that all instructions have pipeline reservations.  Handle
1640         ColdFire V4 core.
1641         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
1642         Handle ColdFire V4 core.
1643         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
1644         New static functions.
1645         (m68k_sched_address_bypass_p): New bypass predicate.
1646         (sched_get_indexed_address_scale): New static function.
1647         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
1649         * cf.md: Update comments.
1650         (define_attr type2): Remove.  Use 'type' attribute instead.
1651         Update all uses.
1652         (cf_ib): Rename to cfv123_ib.  Update all uses.
1653         (cf_oep): Rename to cfv123_oep.  Update all uses.
1654         (cf_chr): Rename to cfv123_chr.  Update all uses.
1655         (cf_mem): Rename to cfv123_mem.  Update all uses.
1656         (cf_mac): Move to more appropriate place.
1657         (cfv123_guess): New automaton and cpu_unit.
1658         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
1659         Update uses of 'size' attribute.  Handle before reload scheduling.
1660         (cfv123_guess): New dummy reservation for unhandled instructions.
1661         (cfv4_*): Pipeline description of ColdFire V4 core.
1662         (ignore): New reservation to handle 'ignore' type.
1664 2008-05-07  Ian Lance Taylor  <iant@google.com>
1666         PR middle-end/36013
1667         * gimplify.c (find_single_pointer_decl_1): Don't look through
1668         indirections.
1669         (find_single_pointer_decl): Adjust comments.
1671 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
1673         PR middle-end/36137
1674         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
1675         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
1677         PR middle-end/36106
1678         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
1679         integral type rather than floating point, then VIEW_CONVERT_EXPR
1680         to the floating point type.
1682 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
1684         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
1685         TFmode op0 to register.
1687 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
1689         * c-decl.c (grokdeclarator): Comment typo.
1691 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
1693         * tree-flow.h: Remove prototype for computed_goto_p.
1694         * tree-cfg.c (computed_goto_p): Make static.
1696 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1698         PR target/35657
1699         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
1700         (contains_aligned_value_p): This.  Handle _Decimal128.
1701         (ix86_function_arg_boundary): Only align _Decimal128 to its
1702         natural boundary and handle it properly.
1704 2008-05-06  Martin Jambor  <mjambor@suse.cz>
1706         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
1707         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
1708         (ipcp_method_set_orig_node): Removed.
1709         (ipcp_cval_get_cvalue_type): Removed.
1710         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
1711         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
1712         (ipcp_cval_set_cvalue_type): Removed.
1713         (ipcp_cval_get_cvalue): Removed.
1714         (ipcp_cval_set_cvalue): Removed.
1715         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
1716         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
1717         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
1718         (ipcp_cval_meet): Renamed to ipa_lattice_meet
1719         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
1720         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
1721         (ipcp_get_ith_lattice): Changed parameters.
1722         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
1723         (ipcp_lattice_from_jfunc): Changed parameters.
1724         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
1725         (ipcp_method_cval_print): Added temporary variable info.
1726         (ipcp_redirect): Removed already unused local variable caller.
1727         (ipcp_redirect): New temporary variable orig_callee_info
1728         (ipcp_redirect): Removed newly unused local variable callee.
1729         (ipcp_redirect): Removed (a bit confusing) local variable type.
1730         (ipcp_insert_stage): Added local variable info.
1731         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters 
1732         renamed too
1733         (ipcp_formal_create): Removed.
1734         (ipcp_method_cval_set): Removed.
1735         (ipcp_propagate_stage): Renamed lattice variables.
1736         (ipcp_method_cval_set_cvalue_type): Removed.
1737         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
1738         (ipcp_print_all_lattices): Changed printed strings to refer to 
1739         lattices rather than cvals.
1740         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
1741         (ipcp_propagate_const): Changed formal parameters.
1742         (build_const_val): Changed formal parameters.
1743         (ipcp_insert_stage): Removed useless variable cvalue
1744         (build_const_val): Changed formal parameters.
1745         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
1746         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
1747         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
1748         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
1749         (ipcp_print_func_profile_counts): Changed string from "method" to 
1750         "function"
1751         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
1752         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
1753         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
1754         (ipcp_structures_print): Renamed to ipcp_print_all_structures
1755         (ipcp_profile_print): Renamed to ipcp_print_profile_data
1756         (ipcp_lat_is_const): Changed parameters and made inline.
1757         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
1758         (ipcp_redirect): Renamed to ipcp_need_redirect_p
1759         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using 
1760         the predicate condition directly
1761         (ipcp_propagate_stage): Added local variable args. Removed local
1762         variable callee.  (Both are mere code simplifications.)
1763         (ipcp_method_dont_insert_const): Renamed to
1764         ipcp_node_not_modifiable_p.
1765         (ipcp_node_not_modifiable_p): Made inline.
1766         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
1767         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
1768         (ipcp_print_all_lattices): Removed variable cvalue
1769         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
1770         Updated comments.
1772 2008-05-06  Olivier Hainque  <hainque@adacore.com>
1774         * tree-sra.c (try_instantiate_multiple_fields): Early return
1775         if field has POINTER_TYPE.
1777 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
1779         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
1780         by using 'q' specifier for instruction.
1781         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
1783 2008-05-06  Anatoly Sokolov <aesok@post.ru>
1785         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
1786         Change mode of zero_extract from QImode to HImode.
1787         (sign bit tests peepholes): (Ditto.).
1789 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
1791         * config/i386/mmx.md: Remove double backslashes from asm templates.
1792         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
1793         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1794         to handle nonimmediate operands.
1795         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
1796         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1797         to handle nonimmediate operands.
1798         (*mmx_<code>v2sf3_finite): New insn pattern.
1799         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
1800         (mmx_<code>v2sf3): New expander.  Use
1801         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1802         (mmx_<plusminus_insn><mode>3): New expander.  Use
1803         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1804         (*mmx_<plusminus_insn><mode>3): New insn pattern.
1805         (mmx_add<mode>3): Removed.
1806         (mmx_ssadd<mode>3): Ditto.
1807         (mmx_usadd<mode>3): Ditto.
1808         (mmx_sub<mode>3): Ditto.
1809         (mmx_sssub<mode>3): Ditto.
1810         (mmx_ussub<mode>3): Ditto.
1811         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
1812         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
1813         to handle nonimmediate operands.
1814         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
1815         insn pattern.
1816         (mmx_smulv4hi3_highpart): New expander.  Use
1817         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1818         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
1819         insn pattern.
1820         (mmx_umulv4hi3_highpart): New expander.  Use
1821         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1822         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
1823         (mmx_<code>v4hi3): New expander.  Use
1824         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1825         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
1826         (mmx_<code>v8qi3): New expander.  Use
1827         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1828         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
1829         (mmx_<code><mode>3): New expander.  Use
1830         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1832 2008-05-05  Jan Hubicka  <jh@suse.cz>
1834         PR tree-optimization/36118
1835         * passes.c (pass_init_dump_file): Fix dump header.
1837 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1839         PR middle-end/36141
1840         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
1841         VCE for function decls.
1843 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
1845         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
1847 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
1849         * config/i386/i386.md (sat_plusminus): New.
1850         (plusminus_insn): Likewise.
1851         (plusminus_mnemonic): Likewise.
1852         (addsub): Removed.
1853         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
1854         (*<addsub><mode>3_cc_overflow): Renamed to ...
1855         (*<plusminus_insn><mode>3_cc_overflow): This.
1856         (*<addsub>si3_zext_cc_overflow): Renamed to ...
1857         (*<plusminus_insn>si3_zext_cc_overflow): This.
1859         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
1860         (<plusminus_insn><mode>3): This.
1861         (*<addsub><mode>3): Renamed to ...
1862         (*<plusminus_insn><mode>3): This.
1863         (<sse>_vm<addsub><mode>3): Renamed to ...
1864         (<sse>_vm<plusminus_insn><mode>3): This.
1865         (sse3_h<addsub>v4sf3): Renamed to ...
1866         (sse3_h<plusminus_insn>v4sf3): This.
1867         (sse3_h<addsub>v2df3): Renamed to ...
1868         (sse3_h<plusminus_insn>v2df3): This.
1869         (<plusminus_insn><mode>3): New.
1870         (*<plusminus_insn><mode>3): Likewise.
1871         (sse2_<plusminus_insn><mode>3): Likewise.
1872         (add<mode>): Removed.
1873         (*add<mode>3): Likewise.
1874         (sse2_ssadd<mode>3): Likewise.
1875         (sse2_usadd<mode>3): Likewise.
1876         (sub<mode>3): Likewise.
1877         (*sub<mode>3): Likewise.
1878         (sse2_sssub<mode>3): Likewise.
1879         (sse2_ussub<mode>3): Likewise.
1881 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
1883         * gthr-single.h: Add in required interface elements as per gthr.h.
1884         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
1885         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
1886         Generalize UNUSED macro. 
1887         (__gthread_once): Add.
1888         (__gthread_key_create): Add.
1889         (__gthread_key_delete): Add.
1890         (__gthread_getspecific): Add.
1891         (__gthread_setspecific): Add.
1892         
1893 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
1895         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
1896         the same size types for the indirect reference on the rhs, then
1897         create a VCE.
1899 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
1901         * config/i386/i386.md
1902         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
1903         one insn template instead of template series.
1904         (*xordi_1_rex64): Ditto.
1905         (*xordi_2_rex64): Ditto.
1907 2008-05-05  Ira Rosen  <irar@il.ibm.com>
1909         PR tree-optimization/36119
1910         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
1911         in case of SLP.
1913 2008-06-04  Jan Hubicka  <jh@suse.cz>
1915         tree-optimization/36100
1916         * tree-pass.h (pass_O0_always_inline): Declare.
1917         * ipa-inline.c (inline_transform): Remove dead code.
1918         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
1919         pass_O0_always_inline): New.
1920         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
1922 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
1924         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
1925         mnemonic in this_param move for TARGET_64BIT.
1927 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
1929         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
1930         (*strmovsi_rex_1): Ditto.
1931         (*strsetsi_1): Ditto.
1932         (*strsetsi_rex_1): Ditto.
1934         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
1935         adddicc expanders using SWI mode iterator.
1937 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1939         PR target/36121
1940         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
1941         argument handling.
1943 2008-05-04  David S. Miller  <davem@davemloft.net>
1945         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
1946         (sparc*-*-linux*): Use linux.h in tm_file.
1947         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
1948         compiler defaulting to 32-bit.
1949         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
1950         no longer needed.
1951         * config/sparc/linux.h: Remove definitions now obtained
1952         properly from linux.h
1953         * config/sparc/linux64.h: Likewise.
1954         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
1955         don't want this setting for 32-bit builds in a biarch compiler.
1956         * doc/install.texi: Add sparc-linux to list of targets
1957         supporting --enable-targets=all.
1959 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
1961         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
1963 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
1965         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
1966         after V4SI_FTYPE_V8HI.
1967         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
1968         case V4SI_FTYPE_V2DF.
1970 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
1972         * doc/invoke.texi (max-flow-memory-locations): Removed.
1973         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
1974         
1975 2008-05-03  Richard Guenther  <rguenther@suse.de>
1977         PR middle-end/34973
1978         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
1980 2008-05-02  David S. Miller  <davem@davemloft.net>
1982         * config.gcc (need_64bit_hwint): Document libcpp dependency.
1984 2008-05-02  Simon Baldwin <simonb@google.com>
1986         PR bootstrap/36108
1987         * c-common.h (warn_array_subscript_range): Removed.
1988         * c-common.c (warn_array_subscript_range): Ditto.
1989         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
1990         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
1992 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
1994         * config/i386/i386.c (ix86_special_builtin_type): New.
1995         (bdesc_special_args): Likewise.
1996         (ix86_expand_special_args_builtin): Likewise.
1997         (ix86_init_mmx_sse_builtins): Updated.
1998         (ix86_expand_builtin): Updated.
1999         (ix86_expand_store_builtin): Removed.
2000         (ix86_expand_unop_builtin): Likewise.
2002         * config/i386/mm3dnow.h (__v2sf): Moved to ...
2003         * config/i386/mmintrin.h (__v2sf): Here.
2005         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
2006         const __v2sf.
2007         (_mm_loadl_pi): Likewise.
2008         (_mm_storeh_pi): Replace __v2si with __v2sf.
2009         (_mm_storel_pi): Likewise.
2011         * doc/extend.texi: Correct __builtin_ia32_loadhps,
2012         __builtin_ia32_loadlps, __builtin_ia32_storehps,
2013         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
2014         __builtin_ia32_loadlpd.
2016 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
2018         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
2019         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
2020         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
2021         (ix86_init_mmx_sse_builtins): Updated.
2022         (ix86_expand_args_builtin): Likewise.
2023         (ix86_expand_builtin): Likewise.
2024         (ix86_expand_unop1_builtin): Renamed to ...
2025         (ix86_expand_unop_vec_merge_builtin): This.
2027 2008-05-01  Jan Hubicka  <jh@suse.cz>
2029         PR bootstrap/36100
2030         * ipa-inline.c (inline_generate_summary): Make static.
2031         (inline_transform): Do not call inlining at -O0; make static.
2032         * passes.c (execute_todo): Add sanity check.
2033         (execute_one_ipa_transform_pass): Execute proper flags.
2035 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
2037         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
2038         (DECL_NONADDRESSABLE_P): Likewise.
2039         * alias.c (record_component_aliases): Fix comment.
2041 2008-05-01  Simon Baldwin <simonb@google.com>
2043         * c-common.h (warn_array_subscript_range): New function.
2044         * c-common.c (warn_array_subscript_range): Ditto.
2045         * tree-vrp.c (check_array_ref): Corrected code to agree with
2046         comment, ignoring only arrays of size 0 or size 1.
2047         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
2049 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2051         * config/i386/i386.c (ix86_builtin_type): Replace
2052         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
2053         (bdesc_args): Updated.
2054         (ix86_init_mmx_sse_builtins): Likewise.
2055         (ix86_expand_args_builtin): Likewise.
2057         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
2058         with __v1di.
2060         * doc/extend.texi: Correct __builtin_ia32_palignr.
2062 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2064         PR target/36095
2065         * config/i386/i386.c (bdesc_crc32): Removed.
2066         (ix86_expand_crc32): Likewise.
2067         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
2068         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
2069         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
2070         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
2071         UINT_FTYPE_UINT_UCHAR.
2072         (bdesc_args): Updated. Add crc32 builtins.
2073         (ix86_init_mmx_sse_builtins): Updated.
2074         (ix86_expand_args_builtin): Updated to support subreg.
2076         * doc/extend.texi: Correct __builtin_ia32_crc32di.
2078 2008-05-01  Jan Hubicka  <jh@suse.cz>
2080         * tree-pass.h (opt_pass): Add IPA_PASS.
2081         (varpool_node, cgraph_node): Forward declare.
2082         (ipa_opt_pass): Define.
2083         (pass_ipa_inline): Turn into ipa_opt_pass.
2084         (pass_apply_inline): Remove.
2085         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
2086         (apply_inline): Turn into ....
2087         (inline_transform): ... this one.
2088         (inline_generate_summary): New function.
2089         (pass_apply_inline): Remove.
2090         * function.h (ipa_opt_pass): Forward declare structure; typedef;
2091         vector.
2092         (struct function): Add ipa_transforms_to_apply.
2093         * passes.c (register_one_dump_file): Work on IPA_PASS.
2094         (init_optimization_passes): Remove pass_inline_parameters and
2095         pass_apply_inline.
2096         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
2097         (execute_one_pass) ... here; apply transforms when possible.
2098         (add_ipa_transform_pass, execute_ipa_summary_asses,
2099         execute_one_ipa_transform_pass): New.
2100         (execute_ipa_pass_list): Update for IPA_PASS type.
2102 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2104         * config/i386/i386.c (ix86_builtin_type): Add
2105         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
2106         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
2107         (bdesc_args): Add SSE4a builtins.
2108         (ix86_init_mmx_sse_builtins): Updated.
2109         (ix86_expand_args_builtin): Likewise.
2110         (ix86_expand_builtin): Likewise.
2112 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2114         * config/i386/i386.c (ix86_builtin_type): Add
2115         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
2116         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
2117         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
2118         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
2119         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
2120         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
2121         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
2122         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
2123         and DI_FTYPE_DI_DI_INT.
2124         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
2125         (ix86_init_mmx_sse_builtins): Updated.
2126         (ix86_expand_args_builtin): Likewise.
2127         (ix86_expand_builtin): Likewise.
2128         (ix86_expand_binop_imm_builtin): Removed.
2130         * doc/extend.texi: Correct __builtin_ia32_palignr128.
2132 2008-04-30  Richard Guenther  <rguenther@suse.de>
2134         PR tree-optimization/32921
2135         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
2137 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
2139         * config/arm/arm.c (arm_unwind_emit): Use
2140         crtl->all_throwers_are_sibcalls instead of
2141         cfun->all_throwers_are_sibcalls.
2142         (arm_output_fn_unwind): Likewise.
2143         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
2144         instead of cfun->uses_pic_offset_table.
2145         (frv_expand_prologue): Likewise.
2146         (frv_frame_pointer_required): Likewise.
2147         (frv_expand_fdpic_call): Likewise.
2148         (frv_emit_movsi): Likewise.
2149         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
2150         cfun->returns_pcc_struct instead of
2151         current_function_returns_pcc_struct.
2152         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
2153         instead of cfun->calls_eh_return.
2154         (m32c_pushm_popm): Likewise.
2155         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
2156         "extern" declaration.
2158 2008-04-30  Richard Guenther  <rguenther@suse.de>
2160         PR tree-optimization/21636
2161         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
2162         constant address.
2163         (evaluate_stmt): Print the likely value.
2164         (ccp_visit_stmt): Avoid excessive vertical spacing.
2166 2008-04-30  Rafael Espindola  <espindola@google.com>
2168         * builtins.c (fold_call_expr): Return realret.
2169         * tree-ssa-threadedge.c
2170         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2171         __builtin_object_size.
2173 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
2175         * gcc.c (wrapper_string): New variable.
2176         (insert_wrapper): New function.
2177         (execute): New option -wrapper.
2178         * doc/invoke.texi (Overall Options): New driver option -wrapper.
2180 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
2182         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
2183         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
2184         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
2185         from...
2186         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
2187         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
2188         config/rs6000/e500crtres64gprctr.asm,
2189         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
2190         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
2191         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
2192         config/rs6000/e500crtsav64gprctr.asm,
2193         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
2194         config/rs6000/e500crtsavg64gprctr.asm: New files.
2195         * config/rs6000/t-ppccomm: Add build rules for new files.
2196         (LIB2FUNCS_STATIC_EXTRA): Add new files.
2197         * config/rs6000/t-netbsd: Add build rules for new files.
2198         (LIB2FUNCS_STATIC_EXTRA): New variable.
2199         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
2200         (CRTSAVRES_DEFAULT_SPEC): Likewise.
2201         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
2203 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
2205         * config/i386/i386.c (ix86_builtin_type): Add
2206         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
2207         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
2208         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
2209         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
2210         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
2211         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
2212         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
2213         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
2214         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
2215         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
2216         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
2217         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
2218         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
2219         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
2220         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
2221         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
2222         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
2223         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
2224         V1DI_FTYPE_V2SI_V2SI.
2225         (bdesc_2arg): Moved to ...
2226         (bdesc_args): Here.
2227         (ix86_init_mmx_sse_builtins): Updated.
2228         (ix86_expand_args_builtin): Updated.  Take a pointer
2229         to const struct builtin_description.  Handle comparison
2230         builtin functions.
2231         (ix86_expand_sse_compare): Take a new argument for swapping operands.
2232         (ix86_expand_builtin): Updated.
2234         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
2235         (ssse3_pmaddubsw128): This.
2236         (ssse3_pmaddubswv4hi3): Renamed to ...
2237         (ssse3_pmaddubsw): This.
2239         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
2240         (__builtin_ia32_packssdw128): Likewise.
2241         (__builtin_ia32_packuswb128): Likewise.
2242         (__builtin_ia32_pmaddubsw): Likewise.
2243         (__builtin_ia32_pmaddubsw128): Likewise.
2245 2008-04-30  Richard Guenther  <rguenther@suse.de>
2247         PR tree-optimization/14847
2248         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
2249         (recognize_bits_test): Use it.
2250         (recognize_single_bit_test): Likewise.
2252 2008-04-30  Martin Jambor  <mjambor@suse.cz>
2254         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
2255         instead of setting number of formal parameters to zero.
2256         (ipcp_init_stage): Do not set the number of actual parameters to zero 
2257         either.
2258         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
2259         which are called with variable number of arguments.
2260         (ipcp_insert_stage): Explicitely skipping all nodes which are
2261         called with variable number of arguments.
2262         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible 
2263         number of parameters.
2265         * ipa-prop.h (struct ipa_node_params): Added flag
2266         called_with_var_arguments
2267         (ipa_set_param_count): Added.  Changed sole setter to use it.
2268         (ipa_get_param_count): Added.  All readers of param_count
2269         converted to use it instead.
2270         (ipa_set_called_with_variable_arg): Added.
2271         (ipa_is_called_with_var_arguments): Added.
2272         (ipa_get_ith_param): Added.  All readers of param_decls converted
2273         to use it instead.
2274         (ipa_set_cs_argument_count): Added, sole writer to argument_count 
2275         changed to use it. 
2276         (ipa_get_cs_argument_count): Added, all readers of argument_count
2277         changed to cal it.
2278         (ipa_get_ith_jump_func): Added. Accessors of jump values changed 
2279         to use it.
2280         
2281         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
2282         (struct ipcp_lattice): Renamed cval_type to type
2283         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
2285         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
2286         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
2287         (ipcp_insert_stage): Changed the type of variable cvalue to tree
2288         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
2289         (build_const_val): Changed the type of parameter cvalue to tree
2290         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
2291         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
2292         
2293         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called 
2294         constant 
2296         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
2297         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
2298         (ipa_add_method): Renamed to ipa_push_func_to_list
2299         (ipa_remove_method): Renamed to ipa_pop_func_from_list
2300         (ipa_callsite_param_count): Removed.
2301         (ipa_callsite_param_count_set): Removed.
2302         (ipa_callsite_param): Removed.
2303         (ipa_callsite_callee): Removed.
2304         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
2305         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
2306         (ipa_method_formal_count): Removed.
2307         (ipa_method_formal_count_set): Removed.
2308         (ipa_method_get_tree): Removed.
2309         (ipa_method_tree_map_create): Removed.
2310         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
2311         (ipa_create_param_decls_array): Creates the array itself
2312         (ipa_create_param_decls_array): Temporary variable info instead of 
2313         a few dereferences.
2314         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
2315         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
2316         (get_type): Removed.
2317         (ipa_jf_get_info_type): Removed.
2318         (ipa_node_create): Renamed to ipa_create_node_params
2319         (ipa_free): Renamed to ipa_free_all_node_params
2320         (ipa_nodes_create): Renamed to ipa_create_all_node_params
2321         (ipa_edges_create): Renamed to ipa_create_all_edge_args
2322         (ipa_edges_free): Renamed to ipa_free_all_edge_args
2323         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
2324         (ipa_free_all_node_params): Deallocation to jump_functions moved to 
2325         ipa_free_all_edge_args
2326         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
2327         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
2328         (ipa_create_methodlist_node): Removed.
2329         (ipa_methodlist_method): Removed.
2330         (ipa_methodlist_method_set): Removed.
2331         (ipa_methodlist_next_method): Removed.
2332         (ipa_methodlist_next_method_set): Removed.
2333         (ipa_method_is_modified): Removed.
2334         (ipa_method_modify_create): Removed.
2335         (ipa_method_modify_init): Temporary variable info instead of a few 
2336         dereferences.
2337         (ipa_detect_param_modifications): Temporary variable info instead of 
2338         a few dereferences.
2339         (ipa_compute_jump_functions): Temporary variable info instead of 
2340         a few dereferences.
2341         (ipa_method_modify_set): Removed.
2342         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
2343         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather 
2344         than craph_node as the first parameter.
2345         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
2346         (ipa_method_modify_init): Removed.
2347         (ipa_compute_jump_functions): Added a temp variable instead of 
2348         repeatadly dereferencing the cgraph_edge.aux pointer
2349         (ipa_callsite_param_set_type): Removed.
2350         (ipa_compute_jump_functions): i renamed to index and moved to 
2351         an inner block
2352         (ipa_callsite_param_set_info_type_formal): Removed.
2353         (ipa_callsite_param_set_info_type): Removed.
2354         (ipa_callsite_param_map_create): Removed.
2355         (ipa_callsite_tree): Removed.
2356         (ipa_callsite_caller): Removed.
2357         (ipa_pop_func_from_list): return_method removed to return_func
2359         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
2360         prefixed all values with IPA_. Changed all users.
2361         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN, 
2362         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF 
2363         and FORMAL_IPATYPE IPA_PASS_THROUGH. 
2364         (union parameter_info): Renamed to jump_func_value.
2365         (union jump_func_value): Renamed value to constant
2366         (struct ipa_jump_func): Renamed info_type to value
2367         (struct ipa_node): Renamed to ipa_node_params
2368         (struct ipa_node_params): Renamed ipa_arg_num to param_count
2369         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
2370         (struct ipa_node_params): Renamed ipa_mod to modified_flags
2371         (struct ipa_edge): Renamed to ipa_edge_args
2372         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
2373         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
2374         (struct ipa_methodlist): Renamed to ipa_func_list
2375         (struct ipa_func_list): method_p renamed to node, next_method
2376         renamed to next
2377         (ipa_methodlist_p): Removed, switched all users to struct pointer
2378         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
2380 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
2382         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
2383         (rs6000_emit_epilogue): Use backchain to restore only when we
2384         have a large frame.  Make use of frame pointer to restore if we
2385         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
2387 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
2389         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
2390         Add mode to zero_extract.
2391         (sign bit tests peepholes): (Ditto.).
2393 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
2395         * config/i386/i386.c (ix86_builtins): Replace Prescott New
2396         Instructions in comments with SSE3.
2397         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
2398         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
2399         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
2400         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
2401         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
2402         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
2403         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
2404         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
2405         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
2406         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
2407         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
2408         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
2409         (bdesc_sse_args): Renamed to ...
2410         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
2411         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
2412         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
2413         IX86_BUILTIN_FABSQ.
2414         (bdesc_1arg): Moved to ...
2415         (bdesc_args): Here.
2416         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
2417         Instructions in comments with SSE3.
2418         (ix86_expand_sse_operands_builtin): Renamed to ...
2419         (ix86_expand_args_builtin): This.  Updated.
2420         (ix86_expand_unop1_builtin): Update comments.
2421         (ix86_expand_builtin): Updated.
2423 2008-04-29  Richard Guenther  <rguenther@suse.de>
2425         PR tree-optimization/36078
2426         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
2427         Update virtual SSA form after cleaning up the CFG.
2429 2008-04-29  Richard Guenther  <rguenther@suse.de>
2431         PR middle-end/15255
2432         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
2434 2008-04-29  Richard Guenther  <rguenther@suse.de>
2436         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
2437         (compute_may_aliases): Do not call finalize_ref_all_pointers.
2438         (compute_flow_insensitive_aliasing): Do not treat
2439         PTR_IS_REF_ALL pointers special.
2440         (get_smt_for): Likewise.
2441         (may_alias_p): Re-structure.
2442         (is_escape_site): A ref-all pointer conversion is not an escape site.
2443         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
2444         PTR_IS_REF_ALL pointers special.
2445         * tree-ssa-structalias.h (struct alias_info): Remove
2446         ref_all_symbol_mem_tag field.
2447         (PTR_IS_REF_ALL): Remove.
2449 2008-04-29  Richard Guenther  <rguenther@suse.de>
2451         PR middle-end/36077
2452         * fold-const.c (extract_muldiv_1): In combining division constants
2453         make sure to never overflow.
2455 2008-04-29  Nick Clifton  <nickc@redhat.com>
2457         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
2459 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2461         PR bootstrap/35169
2462         * optc-gen.awk: Work around HP-UX/IA awk bug.
2464 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
2466         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
2467         2008-04-25 commit.
2469 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
2471         PR target/36073
2472         * config/i386/i386.md
2473         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
2474         Change operand 1 predicate to nonimmediate_operand.
2476 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
2478         PR debug/36060
2479         * dwarf2out.c (struct die_struct): Mark as chain_circular through
2480         die_sub field.
2481         * gengtype.c (walk_type, write_func_for_structure): Handle
2482         chain_circular.
2483         * doc/gty.texi: Document chain_circular.
2485 2008-04-28  Richard Guenther  <rguenther@suse.de>
2487         PR tree-optimization/36066
2488         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
2489         SCEV and loop.
2491 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
2493         PR target/36064
2494         * config/i386/i386.md
2495         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
2496         Use match_scratch instead of match_operand for operands 3 and 4.
2498 2008-04-27  Richard Guenther  <rguenther@suse.de>
2500         PR tree-optimization/18754
2501         PR tree-optimization/34223
2502         * tree-pass.h (pass_complete_unrolli): Declare.
2503         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
2504         loop size before and after unconditionally of UL_NO_GROWTH in effect.
2505         Rewrite loop into loop closed SSA form if it is not already.
2506         (tree_unroll_loops_completely): Re-structure to iterate over
2507         innermost loops with intermediate CFG cleanups.
2508         Unroll outermost loops only if requested or the code does not grow
2509         doing so.
2510         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
2511         loops are available.
2512         (tree_vectorize): Instead do so here.
2513         (tree_complete_unroll): Also unroll outermost loops.
2514         (tree_complete_unroll_inner): New function.
2515         (gate_tree_complete_unroll_inner): Likewise.
2516         (pass_complete_unrolli): New pass.
2517         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
2518         uses outside of the loop.
2519         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
2520         form if it is available.  
2521         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
2522         * passes.c (init_optimization_passes): Schedule complete inner
2523         loop unrolling pass before the first CCP pass after final inlining.
2525 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2527         * targhooks.h (default_emutls_var_fields,
2528         default_emutls_var_init): Declare.
2529         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
2530         * target.h (struct gcc_target): Add struct emutls member.
2531         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
2532         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
2533         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
2534         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
2535         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
2536         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
2537         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
2538         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
2539         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
2540         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
2541         emit debug information.
2542         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
2543         * varasm.c: Include targhooks.h.
2544         (emutls_object_section, emutls_tmpl_section): New.
2545         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
2546         (EMUTLS_SEPARATOR): New.
2547         (prefix_name): New.
2548         (get_emutls_object_name): New.
2549         (default_emutls_var_fields): New, broken out of ...
2550         (get_emutls_object_type): ... here.  Adjust to use target hooks.
2551         (get_emutls_init_templ_addr): Adjust to use target hooks.
2552         (emutls_decl): Adjust to use target hooks.
2553         (emutls_finish): Likewise.
2554         (default_emutls_var_init): New, broken out of ...
2555         (assemble_variable): ... here.  Adjust to use target hooks.
2556         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
2557         SECCAT_EMUTLS_TMPL.
2558         * c-common.c (handle_section_attribute): Prevent overriding
2559         sections for emulated tls with special sections.
2560         * config/i386/i386.c (x86_64_elf_select_section): Add
2561         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
2562         (x86_64_elf_unique_section): Likewise.
2563         * config/vxworks.c: Include tree.h.
2564         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
2565         (vxworks_override_options): Set TLS scheme.
2566         * doc/tm.texi (Emulated TLS): New node.
2568 2008-04-26  Simon Baldwin <simonb@google.com>
2570         PR c/35652
2571         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
2572         with propagated string constants.
2574 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
2576         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
2577         constraint for operand 2 when operand 0 is memory operand.
2578         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
2579         operand 0 is memory operand.
2580         (fix_trunc<mode>_i387_with_temp): Ditto.
2581         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
2582         operand 2 when operand 1 is memory operand.
2583         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
2584         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
2585         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
2586         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
2587         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
2588         operands 2,3 and 4 when operand 1 is memory operand.
2589         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
2590         is memory operand.
2591         (fistdi2_floor_with_temp): Ditto.
2592         (fist<mode>2_floor_with_temp): Ditto.
2593         (fistdi2_ceil_with_temp): Ditto.
2594         (fist<mode>2_ceil_with_temp): Ditto.
2595         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
2597 2008-04-26  David Daney  <ddaney@avtrex.com>
2599         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
2600         unspec_volitile.
2601         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
2602         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
2603         UNSPEC_UPDATE_GOT_VERSION): Renumber.
2604         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
2605         (compare_and_swap_12): New insn.
2606         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
2607         * config/mips/mips.c (mips_force_binary): New function.
2608         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
2609         (mips_expand_compare_and_swap_12): New function.
2610         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
2612 2008-04-25  Jan Hubicka  <jh@suse.cz>
2614         PR testsuite/35843
2615         * cfgexpand.c (pass_expand): Turn into RTL pass.
2616         * passes.c (execute_one_pass): Do pass typechecking after execution.
2617         * tree-pass.h (pass_expand): Turn into RTL pass.
2619         * function.h (struct rtl_data): Move here fields
2620         accesses_prior_frames, calls_eh_return, saves_all_registers,
2621         has_nonlocal_goto, has_asm_statement, is_thunk,
2622         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
2623         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
2624         arg_pointer_save_area_init from struct function; turn into bool.
2625         (struct function): Move
2626         calls_eh_return, saves_all_registers, has_nonlocal_goto,
2627         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
2628         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
2629         tail_call_emit, arg_pointer_save_area_init
2630         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
2631         (current_function_returns_struct, current_function_returns_pcc_struct,
2632         current_function_calls_setjmp, current_function_calls_alloca,
2633         current_function_accesses_prior_frames,
2634         current_function_calls_eh_return, current_function_is_thunk,
2635         current_function_stdarg, current_function_profile,
2636         current_function_limit_stack, current_function_uses_pic_offset_table,
2637         current_function_uses_const_pool, current_function_has_nonlocal_label,
2638         current_function_saves_all_registers,
2639         current_function_has_nonlocal_goto,
2640         current_function_has_asm_statement): Remove accesor macros.
2641         * ra-conflict.c (global_conflicts): Update.
2642         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
2643         (suitable_for_tail_call_opt_p): Update.
2644         * builtins.c (expand_builtin_return_addr): Update.
2645         (expand_builtin_setjmp_setup): Update.
2646         (expand_builtin_nonlocal_goto): Update.
2647         * final.c (final_start_function): Update.
2648         (profile_function): Update.
2649         (leaf_function_p): Update.
2650         (only_leaf_regs_used): Update.
2651         * df-scan.c (df_get_exit_block_use_set): Update.
2652         * dojump.c (clear_pending_stack_adjust): Update.
2653         * tree-stdarg.c (gate_optimize_stdarg): Update.
2654         * gimple-low.c (lower_function_body): Update.
2655         * global.c (compute_regsets): Update.
2656         (global_alloc): Update.
2657         * dwarf2out.c (dwarf2out_begin_prologue): Update.
2658         * expr.c (expand_assignment): Update.
2659         * dse.c (dse_step0): Update.
2660         (dse_step1): Update.
2661         * c-decl.c (store_parm_decls): Update.
2662         * local-alloc.c (combine_regs): Update.
2663         (find_free_reg): Update.
2664         * function.c (assign_parms_augmented_arg_list): Update.
2665         (assign_parm_find_data_types): Update.
2666         (assign_parms): Update.
2667         (allocate_struct_function): Update.
2668         (expand_function_start): Update.
2669         (expand_function_end): Update.
2670         (get_arg_pointer_save_area): Update.
2671         (thread_prologue_and_epilogue_insns): Update.
2672         (rest_of_match_asm_constraints): Update.
2673         * stor-layout.c (variable_size): Update.
2674         * gcse.c (gcse_main): Update.
2675         (bypass_jumps): Update.
2676         * gimplify.c (gimplify_function_tree): Update.
2677         * calls.c (emit_call_1): Update.
2678         (expand_call): Update.
2679         * bt-load.c (compute_defs_uses_and_gen): Update.
2680         * except.c (sjlj_assign_call_site_values): Update.
2681         (sjlj_emit_function_enter): Update.
2682         (can_throw_external): Update.
2683         (set_nothrow_function_flags): Update.
2684         (expand_builtin_unwind_init): Update.
2685         (expand_eh_return): Update.
2686         (convert_to_eh_region_ranges): Update.
2687         (output_function_exception_table): Update.
2688         * emit-rtl.c (gen_tmp_stack_mem): Update.
2689         * cfgexpand.c (expand_used_vars): Update.
2690         (tree_expand_cfg): Update.
2691         * cfgcleanup.c (rest_of_handle_jump): Update.
2692         * explow.c (allocate_dynamic_stack_space): Update.
2693         * varasm.c (assemble_start_function): Update.
2694         (force_const_mem): Update.
2695         (mark_constant_pool): Update.
2696         * tree-optimize.c (tree_rest_of_compilation): Update.
2697         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
2698         * tree-cfg.c (notice_special_calls): Update.
2699         (is_ctrl_altering_stmt): Update.
2700         (tree_can_make_abnormal_goto): Update.
2701         (tree_purge_dead_abnormal_call_edges): Update.
2702         * config/alpha/predicates.md: Update.
2703         * config/alpha/alpha.c (alpha_sa_mask): Update.
2704         (alpha_sa_size): Update.
2705         (alpha_does_function_need_gp): Update.
2706         (alpha_expand_prologue): Update.
2707         (alpha_start_function): Update.
2708         (alpha_output_function_end_prologue): Update.
2709         (alpha_expand_epilogue): Update.
2710         * config/frv/frv.c (frv_stack_info): Update.
2711         (frv_expand_epilogue): Update.
2712         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
2713         (s390_register_info): Update.
2714         (s390_frame_info): Update.
2715         (s390_init_frame_layout): Update.
2716         (s390_can_eliminate): Update.
2717         (save_gprs): Update.
2718         * config/spu/spu.c (spu_split_immediate): Update.
2719         (need_to_save_reg): Update.
2720         (spu_expand_prologue): Update.
2721         (spu_expand_epilogue): Update.
2722         * config/sparc/sparc.md: Update.
2723         * config/sparc/sparc.c (eligible_for_return_delay): Update.
2724         (sparc_tls_got): Update.
2725         (legitimize_pic_address): Update.
2726         (sparc_emit_call_insn): Update.
2727         (sparc_expand_prologue): Update.
2728         (output_return): Update.
2729         (print_operand): Update.
2730         (sparc_function_ok_for_sibcall): Update.
2731         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
2732         * config/m32r/m32r.md: Update.
2733         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
2734         (m32r_compute_frame_size): Update.
2735         (m32r_expand_prologue): Update.
2736         (m32r_expand_epilogue): Update.
2737         (m32r_legitimize_pic_address): Update.
2738         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
2739         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
2740         * config/i386/i386.c (ix86_frame_pointer_required): Update.
2741         (gen_push): Update.
2742         (ix86_save_reg): Update.
2743         (ix86_compute_frame_layout): Update.
2744         (ix86_expand_prologue): Update.
2745         (ix86_expand_epilogue): Update.
2746         * config/sh/sh.c (output_stack_adjust): Update.
2747         (calc_live_regs): Update.
2748         (sh5_schedule_saves): Update.
2749         (sh_expand_prologue): Update.
2750         (sh_expand_epilogue): Update.
2751         (sh_setup_incoming_varargs): Update.
2752         (sh_allocate_initial_value): Update.
2753         (sh_get_pr_initial_val): Update.
2754         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
2755         * config/sh/sh.md (label:): Update.
2756         * config/avr/avr.c (out_movhi_mr_r): Update.
2757         * config/crx/crx.h (enum): Update.
2758         * config/xtensa/xtensa.h (along): Update.
2759         * config/stormy16/stormy16.c Update.
2760         (xstormy16_compute_stack_layout): Update.
2761         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
2762         (fr30_expand_prologue): Update.
2763         * config/cris/cris.c (cris_conditional_register_usage): Update.
2764         (cris_reg_saved_in_regsave_area): Update.
2765         (cris_initial_frame_pointer_offset): Update.
2766         (cris_simple_epilogue): Update.
2767         (cris_expand_prologue): Update.
2768         (cris_expand_epilogue): Update.
2769         (cris_expand_pic_call_address): Update.
2770         (cris_asm_output_symbol_ref): Update.
2771         (cris_asm_output_label_ref): Update.
2772         * config/cris/cris.md Update.
2773         * config/iq2000/iq2000.c (compute_frame_size): Update.
2774         (iq2000_expand_epilogue): Update.
2775         * config/mt/mt.h (save_direction): Update.
2776         * config/mn10300/mn10300.c (mn10300_function_value): Update.
2777         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
2778         (ia64_secondary_reload_class): Update.
2779         * config/m68k/m68k.c (m68k_save_reg): Update.
2780         (m68k_expand_prologue): Update.
2781         (m68k_expand_epilogue): Update.
2782         (legitimize_pic_address): Update.
2783         * config/rs6000/rs6000.c (rs6000_got_register): Update.
2784         (first_reg_to_save): Update.
2785         (first_altivec_reg_to_save): Update.
2786         (compute_vrsave_mask): Update.
2787         (compute_save_world_info): Update.
2788         (rs6000_stack_info): Update.
2789         (spe_func_has_64bit_regs_p): Update.
2790         (rs6000_ra_ever_killed): Update.
2791         (rs6000_emit_eh_reg_restore): Update.
2792         (rs6000_emit_allocate_stack): Update.
2793         (rs6000_emit_prologue): Update.
2794         (rs6000_emit_epilogue): Update.
2795         (rs6000_output_function_epilogue): Update.
2796         (output_profile_hook): Update.
2797         (rs6000_elf_declare_function_name): Update.
2798         * config/rs6000/rs6000.h (rs6000_args): Update.
2799         * config/rs6000/rs6000.md: Update.
2800         * config/mcore/mcore.c (mcore_expand_prolog): Update.
2801         * config/arc/arc.c (arc_output_function_epilogue): Update.
2802         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
2803         * config/darwin.c (machopic_function_base_name): Update.
2804         * config/score/score3.c (score3_compute_frame_size): Update.
2805         (rpush): Update.
2806         (rpop): Update.
2807         (score3_epilogue): Update.
2808         * config/score/score7.c (score7_compute_frame_size): Update.
2809         (score7_prologue): Update.
2810         (score7_epilogue): Update.
2811         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
2812         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
2813         * config/arm/arm.c (use_return_insn): Update.
2814         (require_pic_register): Update.
2815         (arm_load_pic_register): Update.
2816         (arm_compute_save_reg0_reg12_mask): Update.
2817         (arm_compute_save_reg_mask): Update.
2818         (thumb1_compute_save_reg_mask): Update.
2819         (output_return_instruction): Update.
2820         (arm_output_function_prologue): Update.
2821         (arm_output_epilogue): Update.
2822         (arm_get_frame_offsets): Update.
2823         (arm_expand_prologue): Update.
2824         (thumb_pushpop): Update.
2825         (thumb_exit): Update.
2826         (thumb1_expand_prologue): Update.
2827         (thumb1_expand_epilogue): Update.
2828         (arm_unwind_emit): Update.
2829         (arm_output_fn_unwind): Update.
2830         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
2831         * config/arm/arm.md: Update.
2832         * config/pa/pa.md: Update.
2833         * config/pa/pa.c (legitimize_pic_address): Update.
2834         (compute_frame_size): Update.
2835         (hppa_expand_prologue): Update.
2836         (hppa_expand_epilogue): Update.
2837         (borx_reg_operand): Update.
2838         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
2839         (HARD_REGNO_RENAME_OK): Update.
2840         * config/mips/mips.c (mips_global_pointer): Update.
2841         (mips_save_reg_p): Update.
2842         (mips_compute_frame_info): Update.
2843         (mips_frame_pointer_required): Update.
2844         (mips_expand_prologue): Update.
2845         (mips_expand_epilogue): Update.
2846         (mips_can_use_return_insn): Update.
2847         (mips_reorg_process_insns): Update.
2848         * config/v850/v850.c (compute_register_save_size): Update.
2849         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
2850         * config/mmix/mmix.c (along): Update.
2851         (mmix_expand_epilogue): Update.
2852         * config/bfin/bfin.c (legitimize_pic_address): Update.
2853         (must_save_p): Update.
2854         (stack_frame_needed_p): Update.
2855         (add_to_reg): Update.
2856         (bfin_expand_prologue): Update.
2857         * stmt.c (expand_asm_operands): Update.
2858         * reload1.c (reload): Update.
2859         (init_elim_table): Update.
2861 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
2862         
2863         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
2864         
2865 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
2867         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
2868         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
2869         (mov<mode>): Removed.
2870         (*movv4sf_internal): Likewise.
2871         (*movv2df_internal): Likewise.
2873 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
2875         * config.gcc (crx-*-elf): Remove deprecation.
2877 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
2879         * config/i386/cygming-crtend.c (register_frame_ctor): Register
2880         __gcc_deregister_frame with atexit.
2881         (deregister_frame_dtor): Remove.
2883 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
2884             Nathan Sidwell  <nathan@codesourcery.com>
2886         * config/rs6000/rs6000.opt (mspe): Remove Var property.
2887         (misel): Likewise.
2888         * config/rs6000/rs6000.h (rs6000_spe): Declare.
2889         (rs6000_isel): Likewise.
2890         * config/rs6000/rs6000.c (rs6000_spe): New variable.
2891         (rs6000_isel): New variable.
2892         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
2894 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
2896         PR c++/35758
2897         * c-common.c (handle_vector_size_attribute): Call
2898         lang_hooks.types.reconstruct_complex_type instead of
2899         reconstruct_complex_type.
2900         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
2901         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
2902         * langhooks.h (struct lang_hooks_for_types): Add
2903         reconstruct_complex_type hook.
2904         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
2905         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
2907 2008-04-24  Richard Guenther  <rguenther@suse.de>
2909         * c-common.h (check_builtin_function_arguments): Declare.
2910         * c-common.c (validate_nargs): New function.
2911         (check_builtin_function_arguments): Likewise.
2912         * c-typeck.c (build_function_call): Call
2913         check_builtin_function_arguments.
2914         * builtins.c (fold_builtin_classify): Remove error reporting code.
2915         (fold_builtin_unordered_cmp): Likewise.
2916         (fold_builtin_1): Likewise.
2917         (fold_builtin_n): Likewise.
2919 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
2921         PR tree-optimization/36008
2922         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
2923         the original op1, rather than delta by step.
2925 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
2926             Sebastian Pop  <sebastian.pop@amd.com>
2928         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
2929         eliminate_local_variables_stmt, eliminate_local_variables,
2930         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
2931         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
2932         of code delimited by two edges in the CFG.
2933         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
2934         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
2935         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate 
2936         the case of parallelisation of reductions.
2937         (expr_invariant_in_region_p): New.
2939         * tree-flow.h (gather_blocks_in_sese_region): Declared.
2940         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
2942 2008-04-24  Ira Rosen  <irar@il.ibm.com>
2943             Richard Guenther  <rguenther@suse.de>
2945         PR tree-optimization/36034
2946         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
2947         incapable of dealing with loads with gaps.
2949 2008-04-24  Rafael Espindola  <espindola@google.com>
2951         * tree-flow.h (vrp_evaluate_conditional): Change signature.
2952         * tree-ssa-propagate.c (fold_predicate_in): Update call to
2953         vrp_evaluate_conditional.
2954         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
2955         (vrp_evaluate_conditional): Split the cond argument.
2956         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
2957         (simplify_stmt_for_jump_threading): Update call to
2958         vrp_evaluate_conditional.
2960 2008-04-24  Ira Rosen  <irar@il.ibm.com>
2962         PR tree-optimization/35982
2963         * tree-vect-analyze.c (vect_check_interleaving): Check that the
2964         interleaved data-refs are of the same type.
2966 2008-04-24  Danny Smith  <dannysmith@users.net>
2968         * c-format.c (check_format_info_main): Use strncmp rather than a
2969         magic prefix to handle multichar length specs.
2970         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
2971         Don't prefix "I64" and "I32" with '\0'.
2973 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
2975         PR target/36015
2976         * config/i386/i386.c (init_cumulative_args): Don't pass anything
2977         in registers for -m32 only if stdarg_p (fntype).
2979 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
2981         PR rtl-optimization/36006
2982         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
2983         temp to op0 in order to avoid invalid rtx sharing.
2985 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
2987         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
2988         check TREE_INVARIANT.
2989         * tree-gimple.c (is_gimple_address): New.
2990         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
2991         * tree-gimple.h (is_gimple_address): New.
2992         * tree.h (decl_address_invariant_p): New.
2993         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
2994         (build_string): Likewise.
2995         (decl_address_invariant_p): New, from is_gimple_invariant_address.
2996         (tree_invariant_p_1): Likewise.
2997         (save_expr): Use it.
2998         (tree_invariant_p): New.
2999         (skip_simple_arithmetic): Use it.
3000         (stabilize_reference_1): Use it.
3001         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
3002         simplify.
3003         (build1_stat): Drop code to compute TREE_INVARIANT.
3004         (build2_stat): Drop code to compute TREE_INVARIANT.
3005         (build3_stat): Drop code to compute TREE_INVARIANT.
3006         (build4_stat): Drop code to compute TREE_INVARIANT.
3007         (build5_stat): Drop code to compute TREE_INVARIANT.
3008         (build7_stat): Drop code to compute TREE_INVARIANT.
3009         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
3010         * tree.h (struct tree_base): Remove invariant_flag.
3011         (TREE_INVARIANT): Remove.
3012         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
3013         (fold_builtin_expect): Check TREE_CONSTANT.
3014         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
3015         * c-tree.h (c_expr_to_decl): Drop third parameter.
3016         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
3017         (build_c_cast): Don't set TREE_INVARIANT.
3018         (pop_init_level): Don't set TREE_INVARIANT.
3019         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
3020         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
3021         TREE_CONSTANT.
3022         (gimplify_init_constructor): Don't set TREE_INVARIANT.
3023         (gimplify_addr_expr): Adjust comment.
3024         * tree-mudflap.c (mf_build_string):
3025         * print-tree.c (print_node): Don't print TREE_INVARIANT.
3026         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
3027         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
3028         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
3029         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
3030         * langhooks.h (struct lang_hooks): Drop third parameter from
3031         expr_to_decl.
3033 2008-04-23  Richard Guenther  <rguenther@suse.de>
3035         PR tree-optimization/27799
3036         PR tree-optimization/32921
3037         PR tree-optimization/32624
3038         * tree-ssa-structalias.c (merge_smts_into): Only merge the
3039         SMTs aliases and the tag itself into the solution.
3040         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
3041         merge the points-to solution back into the SMT aliases.
3042         (may_alias_p): Use alias_set_subset_of instead of
3043         aliases_conflict_p.  A pointer which points to
3044         memory with alias set zero may access any variable.
3046 2008-04-23  Richard Guenther  <rguenther@suse.de>
3048         * alias.c (alias_set_subset_of): Correctly handle asking
3049         if zero is a subset of an alias set with zero child.
3050         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
3051         (compute_flow_insensitive_aliasing): Correctly walk all
3052         pointers.  Do not unnecessarily union sets.
3054 2008-04-23  Richard Guenther  <rguenther@suse.de>
3056         PR middle-end/36021
3057         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
3059 2008-04-22  Tomas Bily  <tbily@suse.cz>
3061         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
3062         unreachable case.
3063         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
3064         NON_LVALUE_EXPR.
3065         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
3066         * tree-ssa-structalias.c (get_constraint_for): Likewise.
3067         * tree-inline.c (estimate_num_insns_1): Likewise.
3068         * varasm.c (const_hash_1, compare_constant, copy_constant)
3069         (compute_reloc_for_constant, output_addressed_constants): Likewise.
3070         * emit-rtl.c (component_ref_for_mem_expr)
3071         (set_mem_attributes_minus_bitpos): Likewise.
3072         * expr.c (highest_pow2_factor, expand_expr_real_1, )
3073         (is_aligning_offset): Likewise.
3074         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
3075         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
3076         * dojump.c (do_jump): Likewise.
3077         * builtins.c (get_pointer_alignment, get_memory_rtx)
3078         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
3079         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
3081 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
3083         PR rtl-optimization/36017
3084         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
3085         expanding the library call.
3087 2008-04-22  Ian Lance Taylor  <iant@google.com>
3089         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
3090         than size_in_bytes.
3092 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
3094         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
3095         of LR/CTR moves for Power6.
3097 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
3099         PR middle-end/36003
3100         * passes.c (init_optimization_passes): Remove
3101         pass_fast_rtl_byte_dce.
3102         
3103 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
3105         PR target/29096
3106         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
3107         builtin functions to generate faster code.
3108         (_mm_cvtpu16_ps): Ditto.
3109         (_mm_cvtpi32x2_ps): Ditto.
3111 2008-04-22  Nick Clifton  <nickc@redhat.com>
3113         * common.opt (ftree-loop-distribution): Add Optimization
3114         attribute.
3116         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
3117         (frv_expand_builtin_va_start): Likewise.
3119         * config/arm/arm.c (thumb_find_work_register): Fix location of
3120         argument register count.
3122 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
3124         Support scheduling for ColdFire V1 and V3 microarchitecture.
3125         Improve scheduling of multiplication instructions.
3127         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
3128         (mac): New instruction attribute.
3129         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
3130         (m68k_sched_mac): New variable.
3131         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
3132         Handle cfv1 and cfv3.
3133         (max_insn_size): New static variable.
3134         (struct _sched_ib): New type.
3135         (sched_ib): New static variable.
3136         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
3137         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
3138         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
3139         Update.
3140         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
3141         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
3142         new variables.  Update.
3143         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
3144         Add modeling of cfv3 instruction buffer.  Update.
3145         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
3146         * config/m68k/m68k.h (TUNE_CFV3): New macro.
3147         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
3148         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
3149         a particular reservation applies to.
3150         (type2): Reorganize attribute values.  Rename alu to alu_reg,
3151         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
3152         to mul_l and mul_w.
3153         (cf_ib_*): Simplify description of instruction buffer.
3154         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
3155         (cf_mem): Split into cf_mem1 and cf_mem2.
3156         (cf_v2_move_??): Rename to cfv12_alu_??.
3157         (cf_v2_move_l_??): Rename to cfv12_omove_??.
3158         (cf_v2_mul_??): Remove reservations.
3159         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
3160         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
3161         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
3162         appropriate place.
3163         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
3164         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
3165         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
3166         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
3167         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
3168         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
3169         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
3170         expansions of the above reservations for instructions of sizes
3171         1, 2 and 3 words.
3173 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
3175         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
3177 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
3179         * coverage.c: Include tree-pass.h.
3180         (coverage_counter_alloc): Print da_file_name to the dump file.
3182 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
3184         * sbitmap.c (sbitmap_range_empty_p): New function.
3185         * sbitmap.h (sbitmap_range_empty_p): New function.
3186         * bitmap.h: Now includes obstack.h.
3188 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
3189             Kenneth Zadeck  <zadeck@naturalbridge.com>
3191         * dbgcnt.def (ra_byte_scan): Added.
3192         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
3193         when the last hit happens for a counter.  
3194         * timevar.def (TV_DF_BYTE_LR): New variable.
3195         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
3196         * passes.c (pass_fast_rtl_byte_dce): New pass.
3197         * fwprop.c (update_df): Added mode to call df_ref_create.
3198         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
3199         DF_REF_EXTRACT_OFFSET.
3200         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN, 
3201         DF_BYTE_LR_OUT, df_byte_lr): New macro.
3202         (df_mm): New enum.
3203         (df_ref_extract): Added mode field.
3204         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
3205         DF_REF_EXTRACT_OFFSET.
3206         (DF_REF_EXTRACT_MODE): New macro.
3207         (df_byte_lr_bb_info): New structure.
3208         (df_print_byte_regset, df_compute_accessed_bytes, 
3209         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
3210         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
3211         df_byte_lr_simulate_uses,
3212         df_byte_lr_simulate_artificial_refs_at_top,
3213         df_byte_lr_simulate_artificial_refs_at_end,
3214         df_compute_accessed_bytes): New function.
3215         (df_ref_create): Add parameter.
3216         (df_byte_lr_get_bb_info): New inline function.
3217         * df-scan.c (df_ref_record, df_uses_record,
3218         df_ref_create_structure): Added mode parameter.
3219         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1, 
3220         df_defs_record, df_uses_record, df_get_conditional_uses,
3221         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect, 
3222         df_entry_block_defs_collect, df_exit_block_uses_collect):
3223         Added mode parameter to calls to df_ref_record, df_uses_record,
3224         df_ref_create_structure.
3225         (df_ref_equal_p, df_ref_compare): Added test for modes.
3226         (df_ref_create_structure): Added code to set mode.  Renamed
3227         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
3228         DF_REF_EXTRACT_OFFSET.
3229         * df-core.c (df_print_byte_regset): New function.
3230         * df-byte-scan.c: New file.
3231         * df-problems.c (df_rd_transfer_function): Removed unnecessary
3232         calls to BITMAP_FREE.  
3233         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
3234         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
3235         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info, 
3236         df_byte_lr_check_regs, df_byte_lr_expand_bitmap, 
3237         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
3238         df_byte_lr_local_compute, df_byte_lr_init,
3239         df_byte_lr_confluence_0, df_byte_lr_confluence_n, 
3240         df_byte_lr_transfer_function, df_byte_lr_free, 
3241         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
3242         df_byte_lr_add_problem, df_byte_lr_simulate_defs, 
3243         df_byte_lr_simulate_uses,
3244         df_byte_lr_simulate_artificial_refs_at_top,
3245         df_byte_lr_simulate_artificial_refs_at_end): New function.
3246         * dce.c (byte_dce_process_block): New function.
3247         (dce_process_block): au is now passed in rather than computed
3248         locally.  Changed loops that look at artificial defs to not look
3249         for conditional or partial ones, because there never are any.  
3250         (fast_dce): Now is able to drive byte_dce_process_block or 
3251         dce_process_block depending on the kind of dce being done.
3252         (rest_of_handle_fast_dce): Add parameter to fast_dce.
3253         (rest_of_handle_fast_byte_dce): New function.
3254         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
3255         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
3257 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
3259         PR fortran/35019
3260         * gcc.h: Added fortran options that take arguments to
3261         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
3262         macros.
3264 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
3266         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
3267         scalarization if on the LHS and not a full access.
3269 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3271         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
3273 2008-04-18  Rafael Espindola  <espindola@google.com>
3275         * tree-vrp.c (find_case_label_index): Fix the binary search.
3276         (find_case_label_range): New.
3277         (vrp_visit_switch_stmt): Use find_case_label_range.
3278         (simplify_switch_using_ranges): Use find_case_label_range.
3280 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
3282         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
3283         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
3285 2008-04-18  Tom Tromey  <tromey@redhat.com>
3287         PR libcpp/15500:
3288         * doc/cpp.texi (Implementation-defined behavior): Mention
3289         -finput-charset.
3291 2008-04-18  Ian Lance Taylor  <iant@google.com>
3293         * fold-const.c (pointer_may_wrap_p): New static function.
3294         (fold_comparison): Add another test for pointer overflow.  Use
3295         pointer_may_wrap_p to disable some false positives.
3297 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
3298           
3299         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
3300         (fname_as_string): Match updated cpp_interpret_string prototype.
3301         (fix_string_type): Support char16_t* and char32_t*.
3302         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
3303         derivative) nodes.  Register as builtin if C++0x.
3304         (c_parse_error): Support CPP_CHAR{16,32}.
3305         * c-common.h (RID_CHAR16, RID_CHAR32): New elements. 
3306         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
3307         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
3308         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
3309         CTI_CHAR32_ARRAY_TYPE>: New elements.
3310         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
3311         char32_type_node, signed_char32_type_node, char16_array_type_node,
3312         char32_array_type_node): New defines.
3313         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
3314         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
3315         (lex_string): Support CPP_STRING{16,32}, match updated
3316         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
3317         (lex_charconst): Support CPP_CHAR{16,32}.
3318         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
3319         and CPP_STRING{16,32}.
3321 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
3323         PR bootstrap/35457
3324         * aclocal.m4: Regenerate.
3325         * configure: Regenerate.
3327 2008-04-18  Jan Hubicka  <jh@suse.cz>
3329         * except.c (dw2_size_of_call_site_table,
3330         sjlj_size_of_call_site_table): Use vector API for call_site_record.
3332         * cgraphbuild.c (build_cgraph_edges): Update.
3333         * tree-pass.h: Update comment.
3334         * final.c (leaf_function_p): Update.
3335         (leaf_renumber_regs): Update.
3336         (rest_of_clean_state): Update.
3337         * omp-low.c (expand_omp_parallel): Update.
3338         * ipa-reference.c (analyze_function): Update.
3339         * reorg.c (find_end_label): Update.
3340         (optimize_skip): Update.
3341         (fill_simple_delay_slots): Update.
3342         (fill_simple_delay_slots): Update.
3343         (make_return_insns): Update.
3344         (dbr_schedule): Update.
3345         * gimple-low.c (record_vars_into): Update.
3346         * cfgbuild.c (make_edges): Update.
3347         * function.c (assign_stack_local): Update.
3348         (assign_parm_adjust_stack_rtl): Update.
3349         (locate_and_pad_parm): Update.
3350         (allocate_struct_function): Do not initialize stack_alignment_needed
3351         and preferred_stack_boundary here.
3352         (stack_protect_prologue): Update.
3353         (stack_protect_epilogue): Update.
3354         (expand_function_start): Initialize stack_alignment_needed,
3355         preferred_stack_boundary and max_jumptable_ents.
3356         (expand_function_end): Update.
3357         (free_after_compilation): Do not NULLify epilogue_delay_list.
3358         * function.h (struct rtl_data): Add stack_protect_guard,
3359         stack_alignment_needed,
3360         preferred_stack_boundary, epilogue_delay_list.
3361         (struct function): Remove value_histograms, stack_alignment_needed,
3362         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
3363         last_label_uid,
3364         unexpanded_var_list, stack_protect_guard.
3365         (current_function_epilogue_delay_list): Remove.
3366         * ipa-type-escape.c (analyze_function): Update.
3367         * gimplify.c (pop_gimplify_context): Update comment.
3368         * calls.c (expand_call): Update.
3369         (emit_library_call_value_1): Update.
3370         * except.c (set_nothrow_function_flags): Update.
3371         * cfgexpand.c (get_decl_align_unit): Update.
3372         (create_stack_guard): Update.
3373         (estimated_stack_frame_size): Update.
3374         (expand_used_vars): Update.
3375         (tree_expand_cfg): Free histogram earliers, init expansion variables.
3376         * explow.c (allocate_dynamic_stack_space): Update.
3377         * tree-ssa-live.c (remove_unused_locals): Update.
3378         * varasm.c (mark_constant_pool): Update.
3379         * tree-inline.c (remap_decls): Update.
3380         (initialize_cfun): Update.
3381         (declare_return_variable): Update.
3382         (inline_forbidden_p): Update.
3383         (expand_call_inline): Update.
3384         (declare_inline_vars): Update.
3385         (tree_function_versioning): Update.
3386         * tree-flow.h (value_histograms): New.
3387         (VALUE_HISTOGRAMS): New macro.
3388         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
3389         last_label_uid.
3390         * tree-cfg.c (set_bb_for_stmt): Update.
3391         (replace_by_duplicate_decl): Update.
3392         (move_block_to_fn): Update.
3393         (new_label_mapper): Update.
3394         (dump_function_to_file): Update.
3395         * ipa-struct-reorg.c (build_data_structure): Update.
3396         * cfgrtl.c (print_rtl_with_bb): Update.
3397         * reload1.c (reload): Update.
3398         (reload): Update.
3399         * config/i386/i386.c (setup_incoming_varargs_64,
3400         ix86_compute_frame_layout): Update.
3401         * config/arc/arc.c (arc_output_function_epilogue): Update.
3403 2008-04-18  Marius Strobl <marius@FreeBSD.org>
3405         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
3406         for FreeBSD as well.
3407         * gthr-posix95.h: Likewise.
3409 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
3411         PR rtl-optimization/35838
3412         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
3413         out the byte offset of the first subreg.
3415 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
3417         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
3418         to split_ti instead of three separate calls with single member arrays.
3419         (subti3 splitter): Ditto.
3420         (adddi3 splitter): Ditto with split_di.
3421         (subdi3 splitter): Ditto.
3422         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
3423         two separate calls with single member arrays.  Swap match_dup
3424         operands 1 and 2 to better fit into the array.
3425         (negdi2 splitter): Ditto with split_di.
3426         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
3427         two separate calls with single member arrays.  Swap match_dup operands
3428         6 and 7 to better fit into the array.
3430 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
3432         * config/i386/i386.c (sse_builtin_type): New.
3433         (bdesc_sse_args): Likewise.
3434         (bdesc_sse_3arg): Removed.
3435         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
3436         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
3437         IX86_BUILTIN_ROUNDPS.
3438         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
3439         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
3440         IX86_BUILTIN_ROUNDPS.
3441         (ix86_expand_sse_4_operands_builtin): Removed.
3442         (ix86_expand_sse_operands_builtin): New.
3443         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
3444         and CODE_FOR_sse4_1_roundps.
3445         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
3446         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
3448 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
3450         PR target/35907
3451         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
3452         regs before frame pop when needed.  If use_backchain_to_restore_sp
3453         then load backchain into a temp reg to restore vr and vrsave.  Add
3454         code to restore vr after frame pop if possible.
3456 2008-04-17  Richard Guenther  <rguenther@suse.de>
3458         * tree-vn.c (expressions_equal_p): Do not check type
3459         equality or compatibility before calling operand_equal_p.
3460         * fold-const.c (operand_equal_p): Check equivalence of
3461         integer constants before bailing out due to signedness or
3462         precision differences.
3463         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
3464         spurious differences in type qualification.  Ignore types
3465         for COMPONENT_REFs at all.
3467 2008-04-17  Christian Bruel  <christian.bruel@st.com>
3469         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
3470         msw_skip comparison.
3471         
3472 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
3474         PR c/35739
3475         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
3476         reg type.
3478         PR tree-optimization/35899
3479         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
3480         rather than TREE_OPERAND.
3482 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
3484         PR target/35944
3485         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
3486         temporary registers.  Change operand predicate to general_operand.
3487         (remainderxf3): Ditto.
3489 2008-04-16  Richard Guenther  <rguenther@suse.de>
3491         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
3492         * tree-affine.c (aff_combination_expand): Look through some
3493         conversions.
3495 2008-04-15  Doug Kwan  <dougkwan@google.com>
3497         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
3498         for hex printing.
3499         * tree-pretty-print.c (dump_generic_node): Ditto.
3500         * final.c (output_addr_const): Ditto.
3501         * dwarf2out.c (output_cfi): Ditto.
3502         * c-pretty-print.c (pp_c_integer_constant): Ditto.
3503         * print-rtl.c (print_rtx): Ditto.
3504         * print-tree.c (print_node_brief, print_node): Ditto.
3505         * c-common.c (match_case_to_enum_1): Ditto.
3506         * sched-vis.c (print_value): Ditto.
3507         * config/i386/i386.c (print_operand): Cast to long unsigned int
3508         for hex printing.
3510 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
3511         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
3512         MS Windows VirtualProtect function.
3514 2008-04-15  Jan Hubicka  <jh@suse.cz>
3516         * gengtype.c (write_root): Param_is argument is OK.
3517         * expr.c (expand_expr_real_1): Update call of get_exception_*.
3518         * function.h: Include varray.h
3519         (rtl_eh): New stucture based on except.c one.
3520         (call_site_record): New forward declaration and vector type.
3521         * calls.c (emit_call_1): Do not call
3522         note_current_region_may_contain_throw.
3523         * except.c (eh_status): Remove cur_region, try_region since they are
3524         unused.
3525         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
3526         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
3527         sjlj_fc, sjlj_exit_after to rth_eh in function.h. 
3528         Remove call_site_data_used, call_site_data_size.
3529         Turn call_site_record into vector in function.h.
3530         (note_current_region_may_contain_throw): Remove.
3531         (get_exception_pointer, get_exception_filter): Do not take struct
3532         function argument; update.
3533         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
3534         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
3535         build_post_landing_pads, dw2_build_landing_pads,
3536         sjlj_assign_call_site_values, sjlj_mark_call_sites,
3537         sjlj_emit_function_enter, sjlj_emit_function_enter, 
3538         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
3539         sjlj_build_landing_pads, finish_eh_generation,
3540         remove_exception_handler_label, remove_eh_handler,
3541         maybe_remove_eh_handler, add_reachable_handler,
3542         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
3543         add_action_record, collect_one_action_chain, add_call_site,
3544         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
3545         sjlj_output_call_site_table, output_function_exception_table,
3546         * except.h (note_current_region_may_contain_throw): Remove
3547         (get_exception_pointer, get_exception_filter): Do not take struct
3548         function argument.
3549         * Makefile.in (GTFILES): Put varargs before struct function.
3551 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
3553         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
3554         punt for STRING_CST.
3555         (get_constraint_for): Deal with STRING_CST here instead.
3557 2008-04-15  Richard Guenther  <rguenther@suse.de>
3559         * tree-ssa-propagate.c (substitute_and_fold): Substitute
3560         statements in a basic-block with a backward walk.  Do not
3561         substitute into dead statements but instead remove those.
3563 2008-04-15  Richard Guenther  <rguenther@suse.de>
3565         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
3566         to zero, thus disable creation of SFTs.
3568 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
3570         * tree-predcom.c (suitable_reference_p): Return false if the
3571         reference can throw.
3573 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
3575         PR c/35751
3576         * c-decl.c (finish_decl): If extern or static var has variable
3577         size, set TREE_TYPE (decl) to error_mark_node.
3579 2008-04-15  Rafael Espindola  <espindola@google.com>
3581         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
3582         variable arg1.
3584 2008-04-15  Richard Guenther  <rguenther@suse.de>
3586         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
3587         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
3588         (visit_reference_op_load): Do walk vuse-vdef chains on
3589         vn_reference_lookup.
3590         (visit_reference_op_store): But do not here.
3591         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
3592         vn_reference_lookup.
3593         (vn_lookup_with_vuses): But do so here.
3595 2008-04-14  Ian Lance Taylor  <iant@google.com>
3597         * fold-const.c (fold_overflow_warning): Remove assertion.
3599 2008-04-15  Ben Elliston  <bje@au.ibm.com>
3601         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
3602         temp1 local variables.
3604 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
3606         PR target/35661
3607         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
3608         ".text.unlikely" section as executable.
3610 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
3612         * config/ia64/ia64.c (rtx_needs_barrier): Handle
3613         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
3614         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
3615         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
3616         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
3617         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
3618         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
3620 2008-04-14  Ian Lance Taylor  <iant@google.com>
3622         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
3623         * fold-const.c (fold_comparison): If appropriate, test
3624         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
3625         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
3626         reassociating a pointer type.
3627         * doc/invoke.texi (Optimize Options): Document that
3628         -fstrict-overflow applies to pointer wraparound.
3630 2008-04-13  Jan Hubicka  <jh@suse.cz>
3632         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
3634 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
3636         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
3637         we are going to "save the world".
3639 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
3641         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
3642         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
3643         operand 0 constraint, not "=".
3645 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
3647         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
3649 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
3651         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
3652         of size of positions_needed * CHAR_BIT.
3654 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
3656         PR middle-end/35897
3657         * dse.c (store_info): Change positions_needed to unsigned
3658         HOST_WIDE_INT.
3659         (lowpart_bitmask): New.
3660         (record_store): Cast to unsigned HOST_WIDE_INT for
3661         positions_needed.  Assert width <= size of positions_needed *
3662         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
3663         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
3664         lowpart_bitmask to set mask.
3666 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
3668         * config/bfin/constraints.md: New file.
3669         * config/bfin/bfin.md: Include it.
3670         (adddi3): Use satisfies_constraint functions instead of the old macros.
3671         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
3672         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
3673         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
3674         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
3675         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
3676         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
3677         EXTRA_CONSTRAINT): Delete.
3678         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
3679         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
3680         of the old macros.
3681         * config/bfin/bfin.c: Include "tm-constrs.h".
3682         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
3683         Use satisfies_constraint functions instead of the old macros.
3684         * doc/md.texi (Blackfin Constraints): Update file name reference.
3686 2008-04-11  Richard Guenther  <rguenther@suse.de>
3688         PR tree-optimization/35869
3689         * tree-vrp.c (execute_vrp): Move switch statement update after
3690         jump threading.  Schedule another cfg cleanup run.
3692 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
3694         PR c/35744
3695         * attribs.c (decl_attributes): Return early on errorneous node.
3697 2008-04-10  Oleg Ryjkov  <olegr@google.com>
3699         * tree.h (struct tree_base): Added a new flag default_def_flag.
3700         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
3702 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3704         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
3706 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3708         PR target/35768
3709         * pa.md: Define mode iterator P.  Define mode attribute dwc.
3710         (dcacheflush): Update pattern to use iterator P and attribute dwc.
3711         (icacheflush): Likewise.
3712         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
3713         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
3715 2008-04-11  Ben Elliston  <bje@au.ibm.com>
3717         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
3719 2008-04-10  Rafael Espindola  <espindola@google.com>
3721         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
3722         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
3723         (extract_range_from_expr): The same.
3725 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
3727         * config/mips/mips.md (GPR2): New mode iterator.
3728         (seq): Add comment.
3729         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
3730         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
3731         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
3732         Rewrite these to take two modes, the mode of comparison and the
3733         mode of the destination.
3734         * config/mips/mips.c (mips_expand_scc): Instead of having
3735         paradoxical subreg as destination, expand "narrowing" scc if mode
3736         of comparison is SI and target is requested in DI mode.
3737         (mips_emit_int_order_test): Update comment.  Make mode of
3738         comparison match CMP0 rather than TARGET.  When creating inverse
3739         target use mode of TARGET.
3741 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
3743         * gcov-dump.c (tag_summary): Only print summaries for the first
3744         GCOV_COUNTERS_SUMMABLE counters.
3746 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
3748         * config/i386/i386.md (absneg): New code iterator.
3749         (absnegprefix): New code attribute.
3750         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
3751         patterns using absneg code iterator.
3752         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
3753         using absneg code iterator.
3754         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
3755         *neg<mode>2 patterns using absneg code iterator.
3756         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
3757         *negextendsfdf2 patterns using absneg code iterator.
3758         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
3759         *negextendsfxf2 patterns using absneg code iterator.
3760         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
3761         *negextendsfdf2 patterns using absneg code iterator.
3762         * config/i386/sse.md (<code><mode>2): Macroize expander from
3763         abs<mode>2 and neg<mode>2 patterns using absneg code iterator. 
3765 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
3767         * config/s390/s390.h: Remove the remains of the recent search
3768         & replace action of current_function_outgoing_args_size.
3770 2008-04-10  Ira Rosen  <irar@il.ibm.com>
3772         PR tree-optimization/35821
3773         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
3774         NEW_STMT_LIST is not NULL.
3776 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
3778         PR libstdc++/35597
3779         * toplev.c (process_options): Remove -ffunction-sections debugging
3780         warning.
3782 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
3784         PR middle-end/PR28690
3785         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
3786         than gen_rtx_fmt_ee to perform more canonicalizations.
3788 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3790         PR driver/35665
3791         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
3793 2008-04-09  Richard Guenther  <rguenther@suse.de>
3795         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
3796         (dump_function_to_file): Dump function arguments with types.
3798 2008-04-08  Richard Guenther  <rguenther@suse.de>
3800         * fold-const.c (fold_widened_comparison): Do not allow
3801         sign-changes that change the result.
3803 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
3805         PR target/35839
3806         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
3807         kinds of indirect references.
3809 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
3811         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
3812         GNU Fortran language string.
3814 2008-04-08  Rafael Espindola  <espindola@google.com>
3816         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
3817         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
3818         * tree.h (tree_call_nonnegative_warnv_p): New.
3820 2008-04-08  Jan Hubicka  <jh@suse.cz>
3822         * function.c (free_after_compilation): Clear out regno_reg_rtx
3823         pointer.
3825 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
3827         Revert
3828         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
3830         PR middle-end/PR28690
3831         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
3832         same precedence as REG_POINTER and MEM_POINTER operands.
3834 2008-04-08  Richard Guenther  <rguenther@suse.de>
3836         PR middle-end/35834
3837         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
3838         for adding index to base.
3840 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
3842         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
3843         (MINGW_ENABLE_EXECUTE_STACK): New.
3844         (IN_LIBGCC2): For libgcc include windows.h file for
3845         function declarations.
3847 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
3849         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
3850         and tem2 if tem1 is not a REG or MULT.
3852 2008-04-08  Jan Hubicka  <jh@suse.cz>
3854         * function.h (incomming_args): Break out of struct function.
3855         (function_subsections): Break out of struct function.
3856         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
3857         return_rtx and hard_reg_initial_vals from struct function.
3858         Kill inl_max_label_num.
3859         (current_function_pops_args, current_function_args_info,
3860         current_function_args_size, current_function_args_size,
3861         current_function_pretend_args_size,
3862         current_function_outgoing_args_size,
3863         current_function_internal_arg_pointer, current_function_return_rtx):
3864         Kill compatibility accestor macros.
3865         * builtins.c (expand_builtin_apply_args_1): Update.
3866         (expand_builtin_next_arg): Update.
3867         * df-scan.c (df_get_call_refs): Update.
3868         * dbxout.c (dbxout_function_end): Update.
3869         * dwarf2out.c (dwarf2out_switch_text_section): Update.
3870         (output_line_info): Update.
3871         (secname_for_decl): Update.
3872         (dwarf2out_var_location): Update.
3873         * function.c (free_after_compilation): Update.
3874         (assign_parm_find_stack_rtl): Update.
3875         (assign_parms): Update.
3876         (expand_dummy_function_end): Update.
3877         (expand_function_end): Update.
3878         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
3879         (expand_call): Update.
3880         (emit_library_call_value_1): Update.
3881         (store_one_arg): Update.
3882         * varasm.c (initialize_cold_section_name): Update.
3883         (unlikely_text_section): Update.
3884         (unlikely_text_section_p): Update.
3885         (assemble_start_function): Update.
3886         (assemble_end_function): Update.
3887         (default_section_type_flags): Update.
3888         (switch_to_section): Update.
3889         * integrate.c (set_decl_abstract_flags): Update.
3890         (get_hard_reg_initial_val): Update.
3891         (has_hard_reg_initial_val): Update.
3892         (allocate_initial_values): Update.
3893         * resource.c (init_resource_info): Update.
3894         * config/alpha/alpha.c (NUM_ARGS): Update.
3895         (direct_return): Update.
3896         (alpha_va_start): Update.
3897         (alpha_sa_size): Update.
3898         (alpha_initial_elimination_offset): Update.
3899         (alpha_expand_prologue): Update.
3900         (alpha_start_function): Update.
3901         (alpha_expand_epilogue): Update.
3902         (unicosmk_initial_elimination_offset):
3903         * config/alpha/alpha.md (call expander): Update.
3904         * config/s390/s390.c (s390_register_info): Update.
3905         (s390_register_info): Update.
3906         (s390_frame_info): Update.
3907         (s390_initial_elimination_offset): Update.
3908         (s390_build_builtin_va_list): Update.
3909         (s390_va_start): Update.
3910         * config/spu/spu.c (direct_return): Update.
3911         (spu_expand_prologue): Update.
3912         (spu_initial_elimination_offset): Update.
3913         (spu_build_builtin_va_list): Update.
3914         (spu_va_start): Update.
3915         * config/sparc/sparc.c (sparc_init_modes): Update.
3916         (sparc_compute_frame_size): Update.
3917         (function_value): Update.
3918         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
3919         * config/i386/i386.md (return expander): Update.
3920         * config/i386/i386.c (ix86_va_start): Update.
3921         (ix86_can_use_return_insn_p): Update.
3922         (ix86_compute_frame_layout): Update.
3923         (ix86_expand_epilogue): Update.
3924         * config/sh/sh.c (output_stack_adjust): Update.
3925         (calc_live_regs): Update.
3926         (sh_expand_prologue): Update.
3927         (sh_builtin_saveregs): Update.
3928         (sh_va_start): Update.
3929         (initial_elimination_offset): Update.
3930         (sh_allocate_initial_value): Update.
3931         (sh_function_ok_for_sibcall): Update.
3932         (sh_get_pr_initial_val): Update.
3933         * config/sh/sh.md (return expander): Update.
3934         * config/avr/avr.c (frame_pointer_required_p): UPdate.
3935         * config/crx/crx.c (crx_compute_frame): UPdate.
3936         (crx_initial_elimination_offset): UPdate.
3937         * config/xtensa/xtensa.c (compute_frame_size): Update
3938         (xtensa_builtin_saveregs): Update.
3939         (xtensa_va_start): Update.
3940         (order_regs_for_local_alloc): Update.
3941         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
3942         (xstormy16_expand_builtin_va_start): Update.
3943         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
3944         * config/m68hc11/m68hc11.md (return expanders): Update.
3945         * config/m68hc11/m68hc11.c (expand_prologue): Update.
3946         (expand_epilogue): Update.
3947         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
3948         (cris_simple_epilogue): Update.
3949         (cris_expand_prologue): Update.
3950         (cris_expand_epilogue): Update.
3951         * config/iq2000/iq2000.c (iq2000_va_start): Update.
3952         (compute_frame_size): Update.
3953         * config/mt/mt.c (mt_compute_frame_size): Update.
3954         * config/mn10300/mn10300.c (expand_prologue): Update.
3955         (expand_epilogue): Update.
3956         (initial_offset): Update.
3957         (mn10300_builtin_saveregs):
3958         * config/mn10300/mn10300.md (return expander): Update.
3959         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
3960         (ia64_initial_elimination_offset): Update.
3961         (ia64_initial_elimination_offset): Update.
3962         (ia64_expand_prologue): Update.
3963         * config/m68k/m68k.md (return expander): Update.
3964         * config/rs6000/rs6000.c (rs6000_va_start): Update.
3965         (rs6000_stack_info): Update.
3966         * config/mcore/mcore.c (layout_mcore_frame): Update.
3967         (mcore_expand_prolog): Update.
3968         * config/arc/arc.c (arc_compute_frame_size): Update.
3969         * config/score/score3.c (score3_compute_frame_size): Update.
3970         * config/score/score7.c (score7_compute_frame_size): Update.
3971         * config/arm/arm.c (use_return_insn): Update.
3972         (thumb_find_work_register): Update.
3973         (arm_compute_save_reg_mask): Update.
3974         (arm_output_function_prologue): Update.
3975         (arm_output_epilogue): Update.
3976         (arm_size_return_regs): Update.
3977         (arm_get_frame_offsets): Update.
3978         (arm_expand_prologue): Update.
3979         (thumb_exit): Update.
3980         (thumb_unexpanded_epilogue): Update.
3981         (thumb1_output_function_prologue): Update.
3982         * config/pa/pa.md (return expander): Update.
3983         * config/pa/pa.c (compute_frame_size): Update.
3984         (hppa_builtin_saveregs): Update.
3985         * config/mips/mips.c (mips_va_start): Update.
3986         (mips16_build_function_stub): Update.
3987         (mips_compute_frame_info): Update.
3988         (mips_restore_gp): Update.
3989         (mips_output_function_prologue): Update.
3990         (mips_expand_prologue): Update.
3991         * config/v850/v850.c (compute_frame_size): Update.
3992         (expand_prologue): * config/mmix/mmix.c (along): update.
3993         (mmix_initial_elimination_offset): update.
3994         (mmix_reorg): update.
3995         (mmix_use_simple_return): update.
3996         (mmix_expand_prologue): update.
3997         (mmix_expand_epilogue): Update.
3998         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
3999         (emit_link_insn): Update.
4001 2008-04-08  Anatoly Sokolov <aesok@post.ru>
4003         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define 
4004         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL 
4005         instructions.
4006         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for 
4007         atmega103 device.
4009 2008-04-07  Jan Hubicka  <jh@suse.cz>
4011         * function.h (rtl): Rename to x_rtl.
4012         (crtl): New define.
4013         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
4014         frame_offset, stack_check_probe_note, arg_pointer_save_area,
4015         used_temp_slots avail_temp_slots, temp_slot_level,
4016         nonlocal_goto_handler_labels): Update accesstors.
4017         (rtl): New global variable.
4018         (struct function): Move some fileds to rtl_data.
4019         (get_arg_pointer_save_area): Update prototype.
4020         * builtins.c (expand_builtin_setjmp_receiver): Update call of
4021         get_arg_pointer_save_area.
4022         * expr.c (init_expr): Update
4023         * function.c (get_frame_size): Update
4024         (assign_stack_local): Update
4025         (expand_function_end): Update.
4026         (get_art_pointer_save_area): Update
4027         * function.h 
4028         * emit-rtl.c (rtl): Declare.
4029         (regno_reg_rtx): Declare.
4030         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
4031         Update.
4032         (gen_reg_rtx): Update.
4033         * varasm.c (n_deferred_constatns): Update accestor.
4034         (init_varasm_status): Do not allocate varasm_status.
4035         (force_const_mem, get_pool_size, output_constant_pool): Update.
4036         * stmt.c (force_label_rtx): Do not use x_ prefixes.
4037         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
4038         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
4039         * sparc/sparc.h (INIT_EXPANDERS): Update.
4040         * ia64/ia64.h (INIT_EXPANDERS): Update.
4042 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
4044         * reload.c (push_secondary_reload): Add missing break to for loop.
4046 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
4048         PR middle-end/PR28690
4049         * rtlanal.c: Update copyright years.
4050         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
4051         as REG_POINTER and MEM_POINTER operands.
4052         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
4053         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
4054         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
4055         * gcse.c: Update copyright years.
4056         (pre_delete): Call gen_reg_rtx_and_attrs.
4057         (hoist_code): Likewise.
4058         (build_store_vectors): Likewise.
4059         (delete_store): Likewise.
4060         * loop-invariant.c (move_invariant_reg): Likewise.
4061         Update copyright years.
4063 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
4065         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
4066         control string instead of quoted.
4068 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
4070         * doc/rtl.texi: Rewrite of subreg section.
4072 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
4074         PR/35842
4075         * config/i386/i386.c (legitimize_pic_address): Add treating
4076         of dllimport SYM_REF's.
4077         (legitimize_dllimport_symbol): Add prototype.
4079 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
4081         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
4082         reference in constructor with non self-referential type.
4084 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
4086         Removal of Return with Depressed Stack Pointer support
4087         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
4088         (ECF_SP_DEPRESSED): Likewise.
4089         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
4090         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
4091         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
4092         (expand_call): Do not test ECF_SP_DEPRESSED.
4093         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
4094         * function.c (keep_stack_depressed): Delete.
4095         (handle_epilogue_set): Likewise.
4096         (update_epilogue_consts): Likewise.
4097         (emit_equiv_load): Likewise.
4098         (thread_prologue_and_epilogue_insns): Remove support for Return with
4099         Depressed Stack Pointer.
4100         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
4102 2008-04-06  Richard Guenther  <rguenther@suse.de>
4104         PR tree-optimization/35400
4105         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
4106         information from SSA_NAMEs.
4108 2008-04-06  Anatoly Sokolov <aesok@post.ru>
4110         * config/avr/avr.h (avr_mega_p): Remove declaration.
4111         (AVR_MEGA): Remove macro.
4112         * config/avr/avr.c (avr_mega_p): Remove variable.
4113         (avr_override_options): Remove inicializion of avr_mega_p.
4114         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
4115         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
4116         (avr_jump_mode): (Ditto.).
4117         (avr_output_progmem_section_asm_op): (Ditto.).
4118         (avr_asm_init_sections): (Ditto.).
4119         (avr_asm_init_sections): (Ditto.).
4120         (avr_rtx_costs): (Ditto.).
4121         * config/avr/avr.md: (Ditto.).
4122         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of 
4123         '__AVR_MEGA__'.
4125 2008-04-06  Richard Guenther  <rguenther@suse.de>
4127         PR tree-optimization/35842
4128         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
4129         is_gimple_invariant_address.
4131 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
4133         * gcc.c (default_compilers): Sync Fortran extensions list with
4134         that in fortran/lang-specs.h.
4135         * doc/invoke.texi: Likewise.
4136         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
4137         * dwarf2out.c (gen_compile_unit_die): Likewise.
4139 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
4141         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
4143 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
4145         PR target/12329
4146         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
4147         attribute is used for nested functions.
4149 2008-04-05  Jan Hubicka  <jh@suse.cz>
4151         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
4153         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
4154         letter argument.
4155         (dump_files): Update.
4156         (enable_rtl_dump_file): Do not accept letter argument.
4157         * tree-pass.h (dump_file_info): Remove letter argument.
4158         * toplev.c (decode_d_option): Update -da handling.
4159         * toplev.h (enable_rtl_dump_file): Update prototype.
4160         * passes.c (register_one_dump_file): Do not accept IPA argument; work
4161         it out based on pass type.
4162         (register_dump_files_1): Likewise.
4163         (init_optimization_passes): Update register_one_dump_file calls.
4164         (execute_one_pass): Sanity check that IPA passes are called at IPA
4165         level and RTL passes at RTL level.
4166         (execute_pass_list): IPA pass can not be after or subpass of
4167         GIMPLE/RTL pass.
4168         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
4169         disallov RTL subpasses of IPA subpasses.
4171 2008-04-05  Ben Elliston  <bje@au.ibm.com>
4173         * tree-cfg.c (need_fake_edge_p): Return false for calls to
4174         builtins that return exactly once and do not throw. Cache call to
4175         call_expr_flags.
4177 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
4179         PR rtl-optimization/34916
4180         PR middle-end/35519
4181         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
4182         between instruction pairs.
4184 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
4186         * doc/invoke.texi: Document -mbitops for SH.
4187         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
4188         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
4189         * config/sh/sh.c (print_operand): Add %t operand code.
4190         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
4191         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
4192         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
4193         (extendqihi2): Likewise.
4194         (movqi_i): Likewise.
4195         (insv): Use bset, bclr and bst instructions for SH2A if possible.
4196         (extv): Use bld instruction for SH2A if possible.
4197         (extzv): Likewise.
4198         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
4199         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
4200         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
4201         (bset.b, bclr.b): Define peepholes.
4202         * config/sh/sh.opt (mbitops): New option.
4204 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
4206         PR target/35620
4207         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
4208         and view convert expression.
4210 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
4212         PR target/35364
4213         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
4215 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
4217         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
4219         * config/i386/cpuid.h (bit_AES): New.
4220         (bit_PCLMUL): Likewise.
4222         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
4223         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
4224         SSE2 if AES or PCLMUL is enabled.
4225         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
4226         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
4227         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
4228         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
4229         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
4230         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
4231         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
4232         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
4233         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
4234         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
4235         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
4236         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
4237         __builtin_ia32_aeskeygenassist128 and
4238         __builtin_ia32_pclmulqdq128.
4239         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
4240         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
4241         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
4243         * config/i386/i386.h (TARGET_AES): New.
4244         (TARGET_PCLMUL): Likewise.
4245         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
4247         * config/i386/i386.md (UNSPEC_AESENC): New.
4248         (UNSPEC_AESENCLAST): Likewise.
4249         (UNSPEC_AESDEC): Likewise.
4250         (UNSPEC_AESDECLAST): Likewise.
4251         (UNSPEC_AESIMC): Likewise.
4252         (UNSPEC_AESKEYGENASSIST): Likewise.
4253         (UNSPEC_PCLMUL): Likewise.
4255         * config/i386/i386.opt (maes): New.
4256         (mpclmul): Likewise.
4258         * config/i386/sse.md (aesenc): New pattern.
4259         (aesenclast): Likewise.
4260         (aesdec): Likewise.
4261         (aesdeclast): Likewise.
4262         (aesimc): Likewise.
4263         (aeskeygenassist): Likewise.
4264         (pclmulqdq): Likewise.
4266         * config/i386/wmmintrin.h: New.
4268         * doc/extend.texi: Document AES and PCLMUL built-in function.
4270         * doc/invoke.texi: Document -maes and -mpclmul.
4272 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
4274         * function.c (free_after_parsing): Replace with
4275         cxx_push_function_context from C++ front-end.
4276         (allocate_struct_function): Don't call langhook.
4277         * langhooks.h (struct lang_hooks_for_functions): Delete.
4278         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
4279         member "function".
4280         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
4281         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
4282         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
4283         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
4284         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
4285         remove LANG_HOOKS_FUNCTION_INITIALIZER.
4286         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
4288         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
4289         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
4290         
4291 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
4293         PR c/35440
4294         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
4295         for all types.
4297 2008-04-04  Richard Guenther  <rguenther@suse.de>
4299         PR middle-end/35823
4300         * fold-const.c (optimize_minmax_comparison): Use the correct
4301         type for the constant in the simplified comparison.
4303 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
4305         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
4306         Pass L2 size as "--param l2-cache-size" to the compiler.
4307         (decode_l2_cache): New function to decode L2 cache parameters using
4308         0x8000006 extended cpuid function.
4309         (detect_caches_amd): Determine parameters of L2 cache using
4310         decode_l2_caches function.
4311         (decode_caches_intel): Decode L2 cache parameters.
4312         (detect_caches_intel): Determine L2 cache parameters using
4313         decode_caches_intel and decode_l2_caches functions.
4315 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
4317         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
4318         secondary input reload for subword loads from the constant pool.
4320 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
4322         PR target/35713
4323         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
4324           constants of the appropriate size for runtime calculations.
4326         PR c/35712
4327         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
4328           decimal-float literal constant zero.
4330 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
4332         PR c/35738
4333         * c-parser.c (c_parser_omp_atomic): Call
4334         default_function_array_conversion on the RHS.
4336         PR middle-end/35818
4337         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
4338         call is_variable_sized if decl has incomplete type.
4340 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
4342         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
4344 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
4346         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
4347         iterators.
4348         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
4349         (sgt<u>): Merge sgt and sgtu into new expander.
4350         (sgt, sgtu): Remove expanders.
4351         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
4352         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
4353         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
4354         *sgtu_<mode>_mips16 into new pattern.
4355         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
4356         (sge<u>): Merge sge and sgeu into new expander.
4357         (sge, sgeu): Remove expanders.
4358         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
4359         new pattern.
4360         (*sge_<mode>, second *sge_<mode>): Remove patterns.
4361         (slt<u>): Merge slt and sltu into new expander.
4362         (slt, sltu): Remove expanders.
4363         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
4364         (*slt_<mode>, *sltu_<mode>): Remove patterns.
4365         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
4366         *sltu_<mode>_mips16 into new pattern.
4367         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
4368         (sle<u>): Merge sle and sleu into new expander.
4369         (sle, sleu): Remove expanders.
4370         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
4371         (*sle_<mode>, *sleu_<mode>): Remove patterns.
4372         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
4373         *sleu_<mode>_mips16 into new pattern.
4374         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
4376 2008-04-03  Jan Hubicka  <jh@suse.cz>
4378         PR tree-optimization/35795
4379         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
4380         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
4381         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
4382         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
4383         * score/score3.c (score3_output_mi_thunk): Likewise.
4384         * score/score7.c (score7_output_mi_thunk): Likewise.
4385         * mips/mips.c (mips_output_mi_thunk): Likewise.
4387 2008-04-03  Richard Guenther  <rguenther@suse.de>
4389         * tree-vrp.c (extract_range_from_unary_expr): Handle all
4390         conversions.  Simplify code.
4392 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4394         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
4396 2008-04-03  Tom Tromey  <tromey@redhat.com>
4397             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4399         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
4400         * config/bfin/t-bfin-linux (generated_files): Add
4401         linux-sysroot-suffix.h.
4402         * doc/install.texi (Prerequisites): Require make 3.80.
4403         * doc/sourcebuild.texi (Front End Directory): Document new
4404         variable.
4405         * Makefile.in (generated_files): New variable.
4406         (ALL_HOST_OBJS): New variable.
4407         ($(ALL_HOST_OBJS)): New target.
4409 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
4411         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
4412         (remap_block): Call id->transform_lang_insert_block instead
4413         of langhook.
4414         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
4415         Set id.transform_lang_insert_block to NULL.
4416         (clone_body): Move to cp/optimize.c
4417         * tree-inline.h (struct copy_body_data): Change
4418         transform_lang_insert_block to function pointer.
4419         (copy_generic_body, copy_decl_no_change): Export.
4420         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
4421         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
4422         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
4424         * c-tree.h (insert_block): Kill.
4425         * c-decl.c (insert_block): Kill.
4427 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
4429         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
4430         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
4431         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
4432         argument.
4433         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
4434         argument, call {push,pop}_function_context from here.
4435         * c-parser.c: Use c_{push,pop}_function_context.
4437         * function.c (push_function_context_to): Move meat ...
4438         (push_function_context): ... here.  Simplify.
4439         * function.c (pop_function_context_from): Move meat ...
4440         (pop_function_context): ... here.  Simplify.
4441         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
4442         leave_nested).
4443         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
4444         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
4445         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
4446         * tree.h (push_function_context_to, pop_function_context_from): Remove.
4448 2008-04-03  Ben Elliston  <bje@au.ibm.com>
4450         * expmed.c (extract_force_align_mem_bit_field): Remove.
4452 2008-04-03  Richard Guenther  <rguenther@suse.de>
4454         PR middle-end/35800
4455         * expr.h (try_casesi): Adjust prototype.
4456         * expr.c (try_casesi): Take fallback label as extra parameter.
4457         Use that for gen_casesi if default_label is NULL.
4458         * stmt.c (expand_case): Pass fallback label to try_casesi,
4459         make sure to fill gaps with a fallback label if default_label
4460         is not present.
4462 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
4464         PR target/35801
4465         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
4467 2008-04-03  Ben Elliston  <bje@au.ibm.com>
4469         * expmed.c (extract_split_bit_field): Remove if (0) code.
4470         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
4471         (do_ds_constraint): Likewise.
4473 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
4475         * doc/cppopts.texi (-dU): Document.
4476         * c-common.h (flag_dump_macros): Update comment.
4477         * c-opts.c (handle_OPT_d): Handle -dU.
4478         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
4479         dump_queued_macros, cb_used_define, cb_used_undef): New.
4480         (init_pp_output): Handle -dU.
4481         (cb_line_change): Call dump_queued_macros.
4482         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
4484 2008-04-02  Anatoly Sokolov <aesok@post.ru>
4486         * config/avr/predicates.md (io_address_operand): New predicate. 
4487         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
4488         * config/avr/avr.c (avr_io_address_p): Remove function.
4489         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
4490         'avr_io_address_p' function.
4491         (out_movhi_r_mr): (Ditto.).
4492         (out_movqi_mr_r): (Ditto.).
4493         (out_movhi_mr_r): (Ditto.).
4494         (avr_address_cost): (Ditto.).
4496 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
4498         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
4499         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
4500         in 32bit mode when XMM registers are available to avoid store
4501         forwarding stalls.
4502         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
4503         corresponding post-reload splitters.
4505 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
4507         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
4508         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
4509         __builtin_ia32_roundss.
4510         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
4511         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
4512         __builtin_ia32_roundss.
4513         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
4514         IX86_BUILTIN_SHUFPD here.
4516 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
4518         * config/i386/i386.md (plogic): New.
4519         (plogicprefix): Likewise.
4521         * config/i386/mmx.md (mmx_<code><mode>3): New.
4522         (mmx_and<mode>3): Removed.
4523         (mmx_ior<mode>3): Likewise.
4524         (mmx_xor<mode>3): Likewise.
4526         * config/i386/sse.md (<code><mode>3): New.
4527         (*<code><mode>3): Likewise.
4528         (*<code><mode>3): Likewise.
4529         (<code><mode>3): Likewise.
4530         (*sse_<code><mode>3): Likewise.
4531         (*sse2_<code><mode>3): Likewise.
4532         (<code>tf3): Likewise.
4533         (*<code>tf3): Likewise.
4534         (and<mode>3): Likewise.
4535         (*and<mode>3): Likewise.
4536         (ior<mode>3): Removed.
4537         (*ior<mode>3): Likewise.
4538         (xor<mode>3): Likewise.
4539         (*xor<mode>3): Likewise.
4540         (*and<mode>3): Likewise.
4541         (*ior<mode>3): Likewise.
4542         (*xor<mode>3): Likewise.
4543         (and<mode>3): Likewise.
4544         (*sse_and<mode>3): Likewise.
4545         (*sse2_and<mode>3): Likewise.
4546         (andtf3): Likewise.
4547         (*andtf3): Likewise.
4548         (ior<mode>3): Likewise.
4549         (*sse_ior<mode>3): Likewise.
4550         (*sse2_ior<mode>3): Likewise.
4551         (iortf3): Likewise.
4552         (*iortf3): Likewise.
4553         (xor<mode>3): Likewise.
4554         (*sse_xor<mode>3): Likewise.
4555         (*sse2_xor<mode>3): Likewise.
4556         (xortf3): Likewise.
4557         (*xortf3): Likewise.
4559 2008-04-02  Richard Guenther  <rguenther@suse.de>
4561         PR tree-optimization/14495
4562         PR tree-optimization/34793
4563         * tree-vrp.c (struct switch_update): New structure.
4564         (to_remove_edges, to_update_switch_stmts): New VECs.
4565         (simplify_switch_using_ranges): New function.  Remove not taken
4566         case labels and edges.
4567         (simplify_stmt_using_ranges): Call it.
4568         (identify_jump_threads): Mark edges we have queued for removal
4569         so we don't thread them.
4570         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
4571         case label vector.
4572         * tree-cfg.c (group_case_labels): Deal with missing default label.
4573         (tree_verify_flow_info): Allow missing default label.
4574         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
4575         (emit_case_nodes): Likewise.
4576         (expand_case): Do not rely on the default label to be present.
4577         * expr.c (try_casesi): Deal with NULL default_label.
4578         (do_tablejump): Likewise.
4580 2008-04-02  Richard Guenther  <rguenther@suse.de>
4582         PR tree-optimization/14495
4583         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
4584         SWITCH_EXPR here ...
4585         (vrp_visit_switch_stmt): ... but here (new function).
4586         (find_case_label_index): New helper function.
4587         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
4589 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4591         * fwprop.c: Fix ISO-C99ism.
4593 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4595         PR bootstrap/35752
4596         * Makefile.in (objdir): Set it here.
4597         * configure.ac: Not here.  Find dynamic linker characteristics.
4598         * exec-tool.in: Use them.
4599         * aclocal.m4: Regenerate.
4600         * configure: Regenerate.
4602 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4604         * expr.c (expand_var): Delete it.
4605         * expr.h (expand_var): Delete prototype.
4606         * function.c (expand_function_start): Use expand_decl instead.
4607         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
4608         langhook.
4610 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
4612         PR rtl-optimization/35542
4613         * fwprop.c (forward_propagate_and_simplify): Replace
4614         loc_reg_mentioned_in_p with reg_mentioned_p.
4616 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4618         PR rtl-optimization/35281
4619         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
4620         (propagate_rtx_1): Handle PR_HANDLE_MEM.
4621         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
4622         (varying_mem_p): Move above propagate_rtx.
4623         (all_uses_available_at): Do not check MEMs.
4625 2008-04-02  Rafael Espindola  <espindola@google.com>
4627         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
4628         (register_edge_assert_for_2): Split the cond argument.
4629         (register_edge_assert_for_1): Adjust for the change in
4630         register_edge_assert_for_2.
4631         (register_edge_assert_for): Split the cond argument.
4632         (find_switch_asserts): Adjust for the change in
4633         register_edge_assert_for.
4635 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
4637         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
4638         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
4639         offsets for 64-bit mingw.
4640         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
4641         abi for x86_64-pc-mingw.
4643 2008-04-02  Richard Guenther  <rguenther@suse.de>
4645         * tree-vrp.c (extract_range_from_assert): Make sure to not
4646         produce range min/max with TREE_OVERFOW set.
4647         If merging a anti-range and a range keep the anti-range if
4648         the range covers all values of the type.
4649         (register_edge_assert_for_2): Only allow sign-changing
4650         conversions in detecting canonical range checks.  Also
4651         register an assert for the unsigned name if useful.
4653         PR tree-optimization/35787
4654         * tree-vrp.c (vrp_val_max): New function.
4655         (vrp_val_min): Likewise.
4656         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
4657         (vrp_val_is_min): Likewise.
4658         (supports_overflow_infinity): Use vrp_val_{min,max}.
4659         (negative_overflow_infinity): Likewise.
4660         (positive_overflow_infinity): Likewise.
4661         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
4662         (is_positive_overflow_infinity): Likewise.
4663         (is_overflow_infinity): Likewise.
4664         (avoid_overflow_infinity): Use vrp_val_{min,max} and
4665         vrp_val_is_{min,max}.
4666         (set_and_canonicalize_value_range): Canonicalize anti-ranges
4667         to ranges if possible.  Avoid empty ranges.
4669 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4671         PR middle-end/35705
4672         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
4673         the expression is a function address.
4675 2008-04-01  George Helffrich  <george@gcc.gnu.org>
4677         PR fortran/35154, fortran/23057
4678         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
4679         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
4680         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
4681         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
4682         in common.
4683         (dbxout_syms): Check for COMMON-based symbol and wrap in
4684         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
4685         in bracket for efficiency.
4687         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
4688         using DW_TAG_common_block + member offset.
4689         (add_pubname_string): New function.
4690         (dw_expand_expr): New function to find block name and offset for
4691         COMMON var.
4692         (common_check): New function to check whether symbol in Fortran COMMON.
4693         (gen_variable_die): If COMMON, use DW_TAG_common_block.
4695 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
4697         PR c/35436
4698         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
4700 2008-04-02  Ben Elliston  <bje@au.ibm.com>
4702         * config/v850/v850.md (casesi): Remove if (0) code.
4703         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
4704         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
4706 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
4708         * config/i386/i386.md (rex64suffix): New mode attribute.
4709         (floathi<mode>2): Disable expander for SSE math.
4710         (*floathi<mode>2_1): New insn insn_and_split pattern.
4711         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
4712         corresponding post-reload splitters.
4713         (*floathi<mode>2_i387): New macroized insn pattern.
4714         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
4715         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
4716         insn_and_split pattern.
4717         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
4718         New macroized instruction patterns and corresponding post-reload
4719         splitters.
4720         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
4721         and corresponding post-reload splitters.
4722         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
4723         New macroized instruction patterns.
4724         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
4725         macroized instruction patterns and corresponding post-reload splitters.
4726         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
4727         corresponding post-reload splitters.
4728         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
4729         New macroized instruction patterns.
4730         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
4731         corresponding post-reload splitters.
4732         (*floatsi<mode>2_i387): New macroized instruction patterns.
4734 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
4736         * config/i386/i386.md (smaxmin): New.
4737         (umaxmin): Likewise.
4738         (maxminiprefix): Likewise.
4739         (maxminfprefix): Likewise.
4740         (<code><mode>3): Likewise.
4741         (smin<mode>3): Removed.
4742         (smax<mode>3): Likewise.
4744         * config/i386/mmx.md (mmx_<code>v2sf3): New.
4745         (mmx_<code>v4hi3): Likewise.
4746         (mmx_<code>v8qi3): Likewise.
4747         (mmx_smaxv2sf3): Removed.
4748         (mmx_sminv2sf3): Likewise.
4749         (mmx_umaxv8qi3): Likewise.
4750         (mmx_smaxv4hi3): Likewise.
4751         (mmx_uminv8qi3): Likewise.
4752         (mmx_sminv4hi3): Likewise.
4754         * config/i386/sse.md (<addsub><mode>3): New.
4755         (*<addsub><mode>3): Likewise.
4756         (<sse>_vm<addsub><mode>3): Likewise.
4757         (<maxmin><mode>3): Likewise.
4758         (*<maxmin><mode>3_finite): Likewise.
4759         (*<maxmin><mode>3): Likewise.
4760         (<sse>_vm<maxmin><mode>3): Likewise.
4761         (sse3_h<addsub>v4sf3): Likewise.
4762         (sse3_h<addsub>v2df3): Likewise.
4763         (<maxmin>v16qi3): Likewise.
4764         (*<maxmin>v16qi3): Likewise.
4765         (<maxmin>v8hi3): Likewise.
4766         (*<maxmin>v8hi3): Likewise.
4767         (*sse4_1_<maxmin><mode>3): Likewise.
4768         (*sse4_1_<maxmin><mode>3): Likewise.
4769         (add<mode>3): Removed.
4770         (*add<mode>3): Likewise.
4771         (<sse>_vmadd<mode>3): Likewise.
4772         (sub<mode>3): Likewise.
4773         (*sub<mode>3): Likewise.
4774         (<sse>_vmsub<mode>3): Likewise.
4775         (smin<mode>3): Likewise.
4776         (*smin<mode>3_finite): Likewise.
4777         (*smin<mode>3): Likewise.
4778         (<sse>_vmsmin<mode>3): Likewise.
4779         (smax<mode>3): Likewise.
4780         (*smax<mode>3_finite): Likewise.
4781         (*smax<mode>3): Likewise.
4782         (<sse>_vmsmax<mode>3): Likewise.
4783         (sse3_haddv4sf3): Likewise.
4784         (sse3_haddv2df3): Likewise.
4785         (sse3_hsubv4sf3): Likewise.
4786         (sse3_hsubv2df3): Likewise.
4787         (umaxv16qi3): Likewise.
4788         (*umaxv16qi3): Likewise.
4789         (smaxv8hi3): Likewise.
4790         (*smaxv8hi3): Likewise.
4791         (*sse4_1_smax<mode>3): Likewise.
4792         (*sse4_1_umax<mode>3): Likewise.
4793         (uminv16qi3): Likewise.
4794         (*uminv16qi3): Likewise.
4795         (sminv8hi3): Likewise.
4796         (*sminv8hi3): Likewise.
4797         (*sse4_1_smin<mode>3): Likewise.
4798         (*sse4_1_umin<mode>3): Likewise.
4800 2008-04-01  Rafael Espindola  <espindola@google.com>
4802         * tree-cfg.c (verify_expr): remove in_phi.
4803         (verify_stmt): Don't call walk_tree with verify_expr. Use
4804         is_gimple_min_invariant instead of is_gimple_val.
4806 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
4808         * doc/include/gpl_v3.texi: Update for manpage generation.
4809         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
4810         gpl.texi.
4811         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
4812         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
4813         gpl_v3.texi instead of gpl.texi.
4814         (gpl.pod): New.
4816 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
4818         PR pch/13675
4819         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
4821 2008-04-01  Rafael Espindola  <espindola@google.com>
4823         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
4824         (extract_code_and_val_from_cond): Use
4825         extract_code_and_val_from_cond_with_ops.
4827 2008-04-01  Jan Hubicka  <jh@suse.cz>
4829         * function.c (free_after_compilation): Free epilogue_delay_list.
4830         (prepare_function_start): Assert that previous compilation was freed.
4832 2008-04-01  Jan Hubicka  <jh@suse.cz>
4833             Jim Wilson  <wilson@tuliptree.org>
4834             Andreas Tobler <andreast@gcc.gnu.org>
4836         PR middle-end/35781
4837         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
4838         rtl.emit instead cfun->emit.
4839         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
4840         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
4842 2008-04-01  Ben Elliston  <bje@au.ibm.com>
4844         * doc/c-tree.texi (Function Basics): Fix grammatical error.
4846 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
4848         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
4849         New options
4850         (fprofile-use): Add var flag_profile_use
4851         * coverage.c (coverage_begin_output): Do not open a gcno file for
4852         output only if -ftest-coverage is set.
4853         Do not add getpwd() to gcda file path.
4854         (build_gcov_info): Check the new flag
4855         flag_profile_datafile_relative_path.
4856         (coverage_init): Use profile_data_prefix.
4857         Read profile counter only if flag_profile_use is set.
4858         * opts.c (common_handle_option): New option fprofile-use=,
4859         fprofile-dir=, fprofile-generate=.
4860         * toplev.c (profile_data_prefix): New variable definition.
4861         * toplev.h (profile_data_prefix): New declaration.
4862         * doc/invoke.tex (Option Summary, Optimization Options):
4863         Add new options.
4865 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
4867         * varasm.c (output_constant_pool_1): In LABEL_REF check,
4868         use tmp consistently.
4870         PR target/35695
4871         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
4872         * config/ia64/ia64.c (rtx_needs_barrier): Handle
4873         UNSPEC_FR_RECIP_APPROX_RES.
4874         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
4876 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
4878         PR c/35750
4879         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
4881 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4883         PR middle-end/30186
4884         * fold-const.c (fold_indirect_ref_1): Support accessing non first
4885         element of the vector via a pointer.
4887 2008-03-31  Ian Lance Taylor  <iant@google.com>
4889         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
4891 2008-03-31  Jan Hubicka  <jh@suse.cz>
4893         * builtins.c (expand_builtin_setjmp_receiver): Update call of
4894         get_arg_pointer_save_area.
4895         * expr.c (init_expr): Just clear out rtl.expr.
4896         * function.c (free_after_compilation): Clear out whole RTL structure.
4897         (get_func_frame_size): Merge into ...
4898         (get_frame_size): ... this one.
4899         (assign_stack_local_1): Merge into ...
4900         (assign_stack_local): ... this one.
4901         (expand_function_end): Update call of get_arg_pointer_save_area.
4902         (get_art_pointer_save_area): Remove cfun argument.
4903         * function.h (emit_status): regno_pointer_align does not need length
4904         attribute. Move x_regno_reg_rtx to ...
4905         (regno_reg_rtx): ... new global array.
4906         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
4907         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
4908         apply_args_value, forced_labels, stack_pointer_delta):
4909         Update accestors.
4910         (struct varasm_status): Move here from varasm.c
4911         (struct rtl_data): New. Move here some fields from struct function.
4912         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
4913         frame_offset, stack_check_probe_note, arg_pointer_save_area,
4914         used_temp_slots avail_temp_slots, temp_slot_level,
4915         nonlocal_goto_handler_labels): Update accesstors.
4916         (rtl): New global variable.
4917         (struct function): Move some fileds to rtl_data.
4918         (get_arg_pointer_save_area): Update prototype.
4919         * emit-rtl.c (rtl): Declare.
4920         (regno_reg_rtx): Declare.
4921         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
4922         Update.
4923         (gen_reg_rtx): Update.
4924         (init_virtual_regs): Do not tate emit_status argument.
4925         (init_emit): Do not allocate emit.
4926         * varasm.c (varasm_statuc): Move to function.h.
4927         (n_deferred_constatns): Update accestor.
4928         (init_varasm_status): Do not allocate varasm_status.
4929         (force_const_mem, get_pool_size, output_constant_pool): Update.
4930         * stmt.c (force_label_rtx): Do not use x_ prefixes.
4931         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
4933 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
4935         PR rtl-optimization/35729
4936         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
4937         references.
4939 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
4941         PR target/32000
4942         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
4943         load/store if memory is unaligned.
4944         (*movti_rex64): Likewise.
4946         * config/i386/predicates.md (misaligned_operand): New.
4948 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
4950         PR tree-opt/35431
4951         * tree-ssa-phiopt.c (conditional_replacement): Return early for
4952         complex types.
4954 2008-03-31  Jan Beulich  <jbeulich@novell.com>
4956         * config/ia64/constraints.md: Add 'j' constraint.
4957         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
4958         (movdi_internal): Likewise.
4960 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
4962         PR c/35748
4963         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
4965 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
4967         PR target/35757
4968         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
4969         proper error message for the third argument on blendpd and
4970         blendps.
4972         * config/i386/sse.md (blendbits): New.
4973         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
4975 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
4977         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
4979 2008-03-30  Richard Guenther  <rguenther@suse.de>
4981         PR middle-end/31023
4982         * fold-const.c (fold_sign_changed_comparison): Do leave
4983         conversions to base-types alone.
4985 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4987         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
4988         the link register if one altivec register is be saved.
4990 2008-03-30  Ben Elliston  <bje@au.ibm.com>
4992         * final.c (final_scan_insn): Remove if (0) code.
4994 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
4996         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
4998 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
5000         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
5001         of V4SFmode to ix86_binary_operator_ok.
5003 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
5005         * config/i386/i386.c (override_options): Initialize
5006         ix86_veclib_handler to ix86_veclibabi_svml when
5007         -mveclibabi=svml is used.
5008         (ix86_veclibabi_svml): New function for SVML ABI style
5009         vectorization support.
5010         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
5012 2008-03-28  Rafael Espindola  <espindola@google.com>
5014         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
5015         (tree_binary_nonnegative_warnv_p): Make it public.
5016         (tree_single_nonnegative_warnv_p): Make it public.
5017         (tree_invalid_nonnegative_warnv_p): Make it public.
5018         (tree_unary_nonzero_warnv_p): Make it public.
5019         (tree_binary_nonzero_warnv_p): Make it public
5020         (tree_single_nonzero_warnv_p): Make it public.
5021         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
5022         (extract_range_from_binary_expr): Split the expr argument.
5023         (extract_range_from_unary_expr): Split the expr argument.
5024         (extract_range_from_comparison): Split the expr argument.
5025         (extract_range_from_expr): Use the new aux functions.
5026         (vrp_evaluate_conditional_warnv): Use
5027         vrp_evaluate_conditional_warnv_with_ops.
5028         * tree.h (tree_unary_nonzero_warnv_p): Declare.
5029         (tree_binary_nonzero_warnv_p): Declare.
5030         (tree_single_nonzero_warnv_p): Declare.
5031         (tree_expr_nonzero_warnv_p): Declare.
5032         (tree_unary_nonnegative_warnv_p): Declare.
5033         (tree_binary_nonnegative_warnv_p): Declare.
5034         (tree_single_nonnegative_warnv_p): Declare.
5035         (tree_invalid_nonnegative_warnv_p): Declare.
5037 2008-03-28  Richard Guenther  <rguenther@suse.de>
5039         PR tree-optimization/30317
5040         PR tree-optimization/30911
5041         PR tree-optimization/34793
5042         * tree-vrp.c (set_and_canonicalize_value_range): New function.
5043         (struct assert_locus_d): New member EXPR.
5044         (register_new_assert_for): Add EXPR parameter to support
5045         ASSERT_EXPR <name, expr OP limit>.
5046         (register_edge_assert_for_1): Adjust callers.
5047         (find_assert_locations): Likewise.
5048         (process_assert_insertions_for): Build condition from expression.
5049         (extract_range_from_assert): Handle ASSERT_EXPRs
5050         of the form ASSERT_EXPR <name, expr OP limit>.
5051         (register_edge_assert_for_2): New helper registering
5052         asserts for comparisons.  Recognize range tests of the form
5053         (unsigned)i - CST1 OP CST2.
5054         (register_edge_assert_for_1): Use it.
5055         (register_edge_assert_for): Likewise.
5056         (needs_overflow_infinity): Integer sub-types
5057         do not need overflow infinities.
5058         (vrp_val_is_max): The extreme values of integer sub-types
5059         are those of the base type.
5060         (vrp_val_is_min): Likewise.
5061         * tree.def (ASSERT_EXPR): Document extra allowed conditional
5062         expressions.
5064 2008-03-28  Nick Clifton  <nickc@redhat.com>
5066         PR target/31110
5067         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
5068         Return GENERAL_REGS for stack adjustment reloads.
5070 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5072         PR target/31334
5073         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
5074         const_vector when all the vectors are constant.
5076 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
5078         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
5079         comparisons.
5080         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
5081         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
5082         (scc_sf): New.
5083         (s<code>_sf): Use new scc_sf attribute for opcode names.
5085 2008-03-27  Tom Tromey  <tromey@redhat.com>
5087         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
5088         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
5089         config/spu/t-spu-elf, config/i386/t-interix,
5090         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
5091         config/i386/x-darwin, config/i386/x-mingw32,
5092         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
5093         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
5094         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
5095         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
5096         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
5097         config/rs6000/x-darwin, config/rs6000/t-rs6000,
5098         config/score/t-score-elf, config/arm/t-strongarm-pe,
5099         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
5100         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
5101         Revert automatic dependency patch.
5103 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
5105         PR target/35657
5106         * config/i386/i386.c (ix86_function_arg_boundary): Align
5107         decimal floating point to its natural boundary.
5109 2008-03-27  Richard Guenther  <rguenther@suse.de>
5111         PR middle-end/35716
5112         * fold-const.c (fold_comparison): Restrict distinct decl
5113         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
5114         solely rely on operand_equal_p.
5116 2008-03-27  Richard Guenther  <rguenther@suse.de>
5118         PR c/32511
5119         * c-common.c (handle_weak_attribute): Reject combination of
5120         weak and inline.
5122 2008-03-27  Richard Guenther  <rguenther@suse.de>
5124         PR tree-optimization/32810
5125         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
5126         conversions from DECL_INITIAL.
5127         (fold_const_aggregate_ref): Likewise from constructor elements.
5129 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
5131         * tree-affine.h (aff_combination_expand): Declare.
5132         (get_inner_reference_aff): Likewise.
5133         * tree-affine.c (aff_combination_expand): Split out from
5134         tree_to_aff_combination_expand.
5135         (get_inner_reference_aff): New function.
5136         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
5137         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
5138         (struct lim_aux_data): sm_done field removed.
5139         (mem_ref_loc_p, mem_ref_locs_p): New types.
5140         (struct mem_ref): Added id, stored, accesses_in_loop,
5141         indep_loop, dep_loop, indep_ref, dep_ref fields.
5142         Removed is_stored, locs and next fields.
5143         (memory_accesses): New variable.
5144         (movement_possibility): Do not allow moving statements
5145         that store to memory.
5146         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
5147         New functions.
5148         (determine_max_movement): For statements with memory references,
5149         find the outermost loop in that the reference is independent.
5150         (move_computations_stmt): Mark the virtual operands for renaming.
5151         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
5152         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
5153         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
5154         add_vop_ref_mapping, create_vop_ref_mapping_loop,
5155         create_vop_ref_mapping, analyze_memory_references,
5156         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
5157         get_all_locs_in_loop, ref_always_accessed_p,
5158         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
5159         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
5160         store_motion_loop, store_motion): New functions.
5161         (struct vop_to_refs_elt): New type.
5162         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
5163         memref_hash, memref_eq, hoist_memory_references): Rewritten.
5164         (schedule_sm): Replaced by...
5165         (execute_sm): ... this.
5166         (determine_lsm_ref, hoist_memory_references,
5167         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
5168         find_more_ref_vops, free_mem_ref, free_mem_refs,
5169         determine_lsm_loop, determine_lsm): Removed.
5170         (tree_ssa_lim_finalize): Free data structures used by store motion.
5171         (tree_ssa_lim): Call analyze_memory_references.  Use
5172         store_motion instead of determine_lsm.
5174 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
5176         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
5177         rename tmake_file to m68hc11/t-m68hc11.
5178         (mcore): Set inhibit_libc to true.
5179         * config.host (alpha*-dec-*vms*): Set extra_programs.
5180         (interix3*): Don't use host_xmake_file.
5181         * configure.ac: Let config.gcc override inhibit_libc.
5182         * configure: Regenerate.
5184         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
5185         * config/t-openbsd-thread: Remove commented out lines.
5186         
5187         * config/x-interix: Remove.
5189         * config/m68hc11/t-m68hc11-gas: Rename to...
5190         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
5192         * config/mcore/t-mcore: Remove T_CFLAGS.
5193         * config/mcore/t-mcore-pe: Likewise.
5195 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
5197         * configure.ac: Replace custom __GNU_SOURCE test with
5198         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
5199         * aclocal.m4: Regenerate.
5200         * configure: Regenerate.
5201         * config.in: Regenerate.
5203 2008-03-27  Richard Guenther  <rguenther@suse.de>
5205         * fold-const.c (target.h): Include.
5206         (fold_comparison): Fold comparison of addresses of decls
5207         that bind locally or of constants.  Consolidate address folding code.
5208         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
5209         results from fold_binary_to_constant.
5210         (compare_values_warnv): Likewise.
5212 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
5214         PR middle-end/35429
5215         * fold-const.c (fold_truthop): Check for integeral types when folding
5216         a == 0 && b == 0 and a != 0 || b != 0 .
5218 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
5220         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
5222 2008-03-26  Andreas Schwab  <schwab@suse.de>
5224         * doc/invoke.texi: Fix use of @item vs. @itemx.
5226 2008-03-26  Tom Tromey  <tromey@redhat.com>
5228         * Makefile.in (build/gensupport.o, build/print-rtl.o,
5229         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
5230         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
5231         build/gencodes.o, build/genconditions.o, build/genconfig.o,
5232         build/genconstants.o, build/genemit.o, build/genextract.o,
5233         build/genflags.o, build/genmddeps.o, build/genopinit.o,
5234         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
5235         options.h.
5237 2008-03-26  Richard Guenther  <rguenther@suse.de>
5239         Revert
5240         2008-03-26  Richard Guenther  <rguenther@suse.de>
5242         * fold-const.c (target.h): Include.
5243         (fold_comparison): Fold comparison of addresses of two decls
5244         that bind locally.  Consolidate address folding code.
5246 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5248         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
5249         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
5250         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
5251         dconstsqrt2, dconstthird, dconste and/or dconst10.
5252         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
5253         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
5254         dconstsqrt2, dconste): Delete.
5255         (init_emit_once): Likewise.  Simplify initializing dconstm1.
5256         Constify variable.
5257         * real.c (get_real_const): New.
5258         * real.h (dconst3, dconst10, dconstm2, dconstthird,
5259         dconstsqrt2, dconste): Delete.
5260         (real_value_const, get_real_const): New.
5262 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
5264         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
5266         * config/i386/i386.c (ix86_function_arg_boundary): Check
5267         BIGGEST_ALIGNMENT instead of 128.
5268         (setup_incoming_varargs_64): Likewise.
5270 2008-03-26  Tom Tromey  <tromey@redhat.com>
5272         * Makefile.in (DEPFILES): Add missing '/'.
5274 2008-03-26  Richard Guenther  <rguenther@suse.de>
5276         * fold-const.c (target.h): Include.
5277         (fold_comparison): Fold comparison of addresses of two decls
5278         that bind locally.  Consolidate address folding code.
5280 2008-03-26  Nick Clifton  <nickc@redhat.com>
5282         PR target/31232
5283         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
5284         not allow INT+INT as a legitimate addressing mode.
5286 2008-03-26  Richard Guenther  <rguenther@suse.de>
5288         * tree-flow.h (widen_bitfield): Remove declaration.
5289         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
5290         (widen_bitfield): Remove function.
5291         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
5292         code.
5294 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5296         PR target/31558
5297         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
5298         error_mark_node's.
5300 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
5302         PR rtl-optimization/35232
5303         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
5304         (forget_old_reloads_1, forget_marked_reloads): Don't clear
5305         reg_reloaded_call_part_clobbered here.
5306         (reload_regs_reach_end_p): New function.
5307         (reload_reg_rtx_for_input): New variable.
5308         (reload_reg_rtx_for_output): Likewise.
5309         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
5310         when reassigning a pseudo register.  Load reloadreg from 
5311         reload_reg_rtx_for_input, moving the mode and register
5312         calculation to...
5313         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
5314         instead of the original when deciding whether an input reload
5315         would be a no-op or whether an output reload can be deleted.
5316         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
5317         when setting up new_spill_reg_store.  Load it from
5318         reload_reg_rtx_for_output, moving the mode and register
5319         calculation to...
5320         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
5321         instead of the original when deciding whether an output reload
5322         would be a no-op.  Do the same when modifying insn notes.
5323         Use rtx_equal_p instead of == to compare the registers.
5324         (inherit_piecemeal_p): Take a mode and two register numbers
5325         as argument.
5326         (emit_reload_insns): Clear new_spill_reg_store for every hard
5327         register in the reload register.  Remove spill registers
5328         from reg_reloaded_valid before considering whether to record
5329         inheritance information for them.  Use reload_reg_rtx_for_output
5330         instead of reg_rtx when recording output reloads.  Use
5331         reload_reg_rtx_for_input instead of reg_rtx when recording
5332         input reloads.  Set or clear reg_reloaded_call_part_clobbered
5333         at the same time as setting reg_reloaded_valid.
5334         (delete_output_reload): Add a new_reload_reg parameter and use it
5335         instead of rld[j].reg_rtx.
5336         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
5337         calls accordingly.
5339 2008-03-25  Tom Tromey  <tromey@redhat.com>
5341         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
5342         (build/genattr.o): Likewise.
5343         (build/genattrtab.o): Likewise.
5344         (build/gencodes.o): Likewise.
5345         (build/genconfig.o): Likewise.
5346         (build/genconstants.o): Likewise.
5347         (build/genemit.o): Likewise.
5348         (build/genextract.o): Likewise.
5349         (build/genflags.o): Likewise.
5351 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
5352         
5353         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
5354         instead of size_int for integer types.
5355         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
5356         to match type of MINUS_EXPR.
5357         
5358 2008-03-25  Tom Tromey  <tromey@redhat.com>
5360         * configure: Rebuilt.
5361         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
5362         Makefile.
5364 2008-03-25  Tom Tromey  <tromey@redhat.com>
5366         * config/x-solaris (host-solaris.o): Update.
5367         * config/x-linux (host-linux.o): Update.
5368         * config/x-hpux (host-hpux.o): Update.
5369         * config/x-darwin (host-darwin.o): Update.
5370         * config/v850/t-v850e (v850-c.o): Update.
5371         * config/v850/t-v850 (v850-c.o): Update.
5372         * config/t-vxworks (vxworks.o): Update.
5373         * config/t-sol2 (sol2-c.o, sol2.o): Update.
5374         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
5375         * config/spu/t-spu-elf (spu-c.o): Update.
5376         (spu.o): Remove.
5377         * config/sh/t-symbian (sh-c.o): Update.
5378         (symbian.o): Update.
5379         * config/sh/t-sh (sh-c.o): Update.
5380         * config/score/t-score-elf (score7.o, score3.o): Update.
5381         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
5382         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
5383         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
5384         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
5385         (rs6000.o): Remove.
5386         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
5387         * config/m32c/t-m32c (m32c-pragma.o): Update.
5388         * config/ia64/t-ia64 (ia64-c.o): Update.
5389         * config/i386/x-mingw32 (host-mingw32.o): Update.
5390         * config/i386/x-i386 (driver-i386.o): Update.
5391         * config/i386/x-darwin (host-i386-darwin.o): Update.
5392         * config/i386/x-cygwin (host-cygwin.o): Update.
5393         * config/i386/t-nwld (nwld.o): Update.
5394         * config/i386/t-netware (netware.o): Update.
5395         * config/i386/t-interix (winnt.o): Update.
5396         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
5397         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
5398         msformat-c.o): Update.
5399         * config/bfin/t-bfin-linux (generated_files): Add
5400         linux-sysroot-suffix.h.
5401         * config/arm/t-wince-pe (pe.o): Update.
5402         * config/arm/t-strongarm-pe (pe.o): Update.
5403         * config/arm/t-pe (pe.o): Update.
5404         * config/arm/t-arm (arm-c.o): Update.
5405         * doc/install.texi (Prerequisites): Require make 3.80.
5406         * Makefile.in: Remove .o targets.
5407         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
5408         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
5409         (simple_generated_h, simple_generated_c): Move earlier.
5410         (generated_files): New variable.
5411         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
5412         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
5413         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
5414         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
5415         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
5416         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
5417         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
5418         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
5419         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
5420         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
5421         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
5422         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
5423         (.c.o): Remove.
5424         (COMPILE.base, COMPILE): New variables.
5425         (%.o): New pattern rule.
5426         (ALL_HOST_OBJS): New variable.
5427         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
5428         (dummy-checksum.o, cc1-checksum.o): Remove.
5429         (DRIVER_SHLIB): New variable.
5430         (DRIVER_DEFINES): Use it.
5431         (gencondmd.c): Move out of build/.
5432         (s-conditions): Update.
5433         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
5434         (ALL_BUILD_OBJS): Likewise.
5435         (build/%.o): Use BUILDCOMPILE.
5436         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
5437         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
5438         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
5439         build/gencheck.o, build/gencodes.o, build/genconditions.o,
5440         build/genconfig.o, build/genconstants.o, build/genemit.o,
5441         build/genextract.o, build/genflags.o, build/genmddeps.o,
5442         build/genopinit.o, build/genoutput.o, build/genpeep.o,
5443         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
5444         build/gen-protos.o, build/scan.o, build/fix-header.o,
5445         build/scan-decls.o): Simplify.
5446         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
5447         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
5448         prefix.o, toplev.o): Reduce to variable setting.
5449         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
5450         ($(out_object_file), gcc-options.o): New targets.
5451         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
5452         * configure: Rebuilt.
5453         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
5454         * doc/sourcebuild.texi (Front End Directory): Document new variable.
5456 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
5458         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
5459         complain when we hit an error, return ERROR_MARK_NODE.
5461 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
5463         * config/sh/constraints.md (Pso, Psz): New constraints.
5464         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
5465         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
5467 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
5469         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
5470         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
5472 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
5474         * config/sh/sh.md (prefetch): Add condition for SH2A target.
5475         (prefetch_sh2a): New.   
5477 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
5478             Naveen.H.S  <naveen.hs@kpitcummins.com>
5480         * config/sh/constraints.md (I28): New constraint.
5481         * config/sh/sh.c (broken_move): Add support for movi20s.
5482         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
5484 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
5485             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
5486             Naveen.H.S  <naveen.hs@kpitcummins.com>
5488         * config/sh/sh.c (SH_ATTRIBUTES): Define.
5489         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
5490         (print_operand): Handle resbank in %@ operand code.
5491         (sh_encode_section_info): New.
5492         (push_regs): Add conditions for resbank.
5493         (sh_expand_epilogue): Likewise.
5494         (sh_insert_attributes): Likewise.
5495         (sh_attribute_table): Likewise.
5496         (sh_handle_resbank_handler_attribute): New.
5497         (sh2a_handle_function_vector_handler_attribute): New.
5498         (sh2a_is_function_vector_call): New.
5499         (sh2a_get_function_vector_number): New.
5500         (sh2a_function_vector_p): New.
5501         (sh_cfun_resbank_handler_p): New.
5502         * config/sh/sh.md (calli): Emit jsr/n if possible.
5503         (calli_tbr_rel): New.
5504         (calli_pcrel): Emit jsr/n if possible.
5505         (return_i): Emit rts/n if possible.
5506         (call_valuei_tbr_rel): New.
5507         (call_valuei_pcrel): Add condition for SH2A target.
5508         (call_value): Likewise.
5509         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
5510         (sh2a_get_function_vector_number): Likewise.
5511         (sh2a_is_function_vector_call): Likewise.
5512         * doc/extend.texi: Document TBR relative addressing of SH2A.
5513         (resbank): Add description for SH2A.
5515 2008-03-24  Richard Guenther  <rguenther@suse.de>
5517         PR c/22371
5518         * gimplify.c (gimplify_modify_expr): For frontend type-correct
5519         pointer assignments change conversions according to middle-end rules.
5520         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
5521         * configure.ac: Include type checking in yes.
5522         * configure: Regenerate.
5524 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5526         * diagnostic.c (diagnostic_count_diagnostic): Delete.
5527         (diagnostic_report_diagnostic): Update. Handle ICEs here.
5528         
5529 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
5531         * gthr-vxworks.h (UNUSED): Define.
5533 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
5535         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
5537 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
5539         * doc/extend.texi (Function Attributes): Add missing comma in the
5540         example of the "alloc_size" attribute.
5541         
5542 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
5544         Revert:
5545         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
5547         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
5548         32bit host.
5550         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
5552         PR target/35496
5553         * stor-layout.c (update_alignment_for_field): Set minimum alignment
5554         of the underlying type of a MS bitfield layout to the natural
5555         alignment of the type.
5557         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
5559         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
5560         to their natural alignment to avoid store forwarding stalls.
5562 2008-03-22  Richard Guenther  <rguenther@suse.de>
5564         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
5565         For PHI nodes verify the address is invariant.
5566         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
5567         (get_symbol_constant_value): Use is_gimple_min_invariant.
5568         (maybe_fold_stmt_indirect): Likewise.
5570 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
5572         PR rtl-optimization/33927
5573         * Makefile.in (dse.o): Depend on $(TM_P_H).
5574         * expr.h (extract_low_bits): Declare.
5575         * expmed.c (extract_low_bits): New function.
5576         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
5577         * dse.c: Include tm_p.h.
5578         (find_shift_sequence): Remove the read_reg argument and return the
5579         read value.  Emit the instructions instead of returning them.
5580         Iterate on new_mode rather than calculating it each time.
5581         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
5582         source to NEW_MODE and extract_low_bits to convert the shifted
5583         value to READ_MODE.
5584         (replace_read): Allow the load and store to have different mode
5585         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
5586         or extraction instructions before trying the replacement.  Update
5587         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
5589 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
5591         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
5592         to their natural alignment to avoid store forwarding stalls.
5594 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5596         PR target/27946
5597         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
5598         encouraging but not allowing gprs for input;
5599         change the input constraint to !f#r.
5600         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
5601         gprs for output;
5602         change the output constraint to !f#r.
5604 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
5606         PR target/13958
5607         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
5608         corresponding post-reload splitters.
5609         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
5610         when x87 FP math is selected.
5611         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
5612         New function prototype.
5613         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
5614         unreachable function to ease macroization of insn patterns.
5616 2008-03-21  Martin Jambor  <mjambor@suse.cz>
5618         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
5619         reference dumps if ddr is NULL or dependence is unknown.
5621 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5623         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
5624         unsigned extension into account.
5625         (ATOMIC_COMPARE_AND_SWAP): Likewise.
5626         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
5627         Do computations on a scratch register.
5629 2008-03-21  Richard Guenther  <rguenther@suse.de>
5631         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
5632         Use is_gimple_min_invariant instead of TREE_INVARIANT.
5633         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
5634         * tree-ssa-dom.c (record_equality): Likewise.
5635         * tree-inline.c (copy_body_r): Likewise.
5636         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
5637         TREE_INVARIANT.
5639 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5641         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
5642         as 'delete_unused' argument.
5644 2008-03-20  Richard Guenther  <rguenther@suse.de>
5646         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
5647         special casing of constant qualifiers.
5648         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
5649         care about them in general.
5650         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
5651         regardless of their type.
5652         (fold_stmt_r): Forcefully fold *& if we end up with that.
5654 2008-03-20  Paul Brook  <paul@codesourcery.com>
5656         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
5657         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
5658         linker flags.
5659         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
5660         definition.
5661         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
5662         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
5664 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
5666         * common.opt (Wmudflap): New option.
5667         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
5668         (mx_register_decls): Likewise.
5669         (mudflap_finish_file): Likewise.
5670         * doc/invoke.texi: Document -Wno-mudflap.
5672 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
5674         * c-format.c (replace_format_name_to_system_name): New.
5675         (cmp_attribs): New.
5676         (convert_format_name_to_system_name): New.
5677         (decode_format_attr): Add use of convert_format_name_to_system_name.
5678         (format_types_orig): Add gnu_ prefix to names.
5679         (check_format_info_main): Special treating of \0 escaped names for
5680         supporting multi-character format specifiers as I32, I64.
5681         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
5682         (gnu_target_overrides_format_attributes): New.
5683         * c-format.h: Add structure target_ovr_attr to hold
5684         system specific formatter names.
5685         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
5686         msformat-c.o file to c_target_objs and cxx_target_objs.
5687         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
5688         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
5689         (TARGET_N_FORMAT_TYPES): New.
5690         * config/i386/msformat-c.c: New.
5691         * config/i386/t-cygming: Add build rule for msformat-c.o.
5692         * doc/extend.texi: Add new format names gnu_* and ms_* and
5693         further details.
5694         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
5696 2008-03-20  Ira Rosen  <irar@il.ibm.com>
5698         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
5699         optimizations turned on under -O3.
5700         (ftree-vectorize): Add that the flag is turned on with -O3.
5702 2008-03-20  Ben Elliston  <bje@au.ibm.com>
5704         * regmove.c (try_auto_increment): Fix spelling error in comment.
5705         * final.c (final_scan_insn): Likewise.
5707 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
5709         PR target/14552
5710         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
5711         allocator preferences for "y" and "r" class registers.
5712         ("*mov<mode>_internal"): Ditto.
5713         ("*movv2sf_internal_rex64"): Ditto.
5714         ("*movv2sf_internal"): Ditto.
5716 2008-03-19  Michael Matz  <matz@suse.de>
5718         PR middle-end/35616
5719         * calls.c (expand_call): Check overlap of arguments with call
5720         address for sibcalls.
5722 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
5724         PR target/35496
5725         * stor-layout.c (update_alignment_for_field): Set minimum alignment
5726         of the underlying type of a MS bitfield layout to the natural
5727         alignment of the type.
5729 2008-03-19  Jan Hubicka  <jh@suse.cz>
5731         PR other/35094
5732         * toplev.c (decode_d_option): Handle all CPP flags.
5733         * tree-vrp.c: Update tree_pass descriptors.
5734         * regrename.c: Update tree_pass descriptors.
5735         * fwprop.c: Update tree_pass descriptors.
5736         * doc/invoke.texi: Remove documentation of dropped -d? flags.
5737         * tree-into-ssa.c: Update tree_pass descriptors.
5738         * tree-dump.c: Update tree_pass descriptors.
5739         * tree-complex.c: Update tree_pass descriptors.
5740         * tree-dump.h: Update tree_pass descriptors.
5741         * see.c: Update tree_pass descriptors.
5742         * cgraphbuild.c: Update tree_pass descriptors.
5743         * tracer.c: Update tree_pass descriptors.
5744         * tree-loop-distribution.c: Update tree_pass descriptors.
5745         * cgraph.c: Update tree_pass descriptors.
5746         * postreload-gcse.c: Update tree_pass descriptors.
5747         * postreload.c: Update tree_pass descriptors.
5748         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
5749         * tree-tailcall.c: Update tree_pass descriptors.
5750         * tree-pass.h (tree_opt_pass): Rename to ...
5751         (opt_pass) ... this one; add "type" field and remove letter field.
5752         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
5753         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
5754         all_lowering_passes): Update declaration.
5755         * ipa-cp.c: Update tree_pass descriptors.
5756         * final.c: Update tree_pass descriptors.
5757         * omp-low.c: Update tree_pass descriptors.
5758         * tree-ssa-dse.c: Update tree_pass descriptors.
5759         * ipa-reference.c: Update tree_pass descriptors.
5760         * tree-ssa-uncprop.c: Update tree_pass descriptors.
5761         * auto-inc-dec.c: Update tree_pass descriptors.
5762         * reorg.c: Update tree_pass descriptors.
5763         * cgraphunit.c: Update tree_pass descriptors.
5764         * tree-ssa-copyrename.c: Update tree_pass descriptors.
5765         * tree-ssa-ccp.c: Update tree_pass descriptors.
5766         * df-core.c: Update tree_pass descriptors.
5767         * mode-switching.c: Update tree_pass descriptors.
5768         * tree-nomudflap.c: Update tree_pass descriptors.
5769         * modulo-sched.c: Update tree_pass descriptors.
5770         * ipa-pure-const.c: Update tree_pass descriptors.
5771         * cse.c: Update tree_pass descriptors.
5772         * web.c: Update tree_pass descriptors.
5773         * tree-stdarg.c: Update tree_pass descriptors.
5774         * tree-ssa-math-opts.c: Update tree_pass descriptors.
5775         * tree-ssa-dom.c: Update tree_pass descriptors.
5776         * tree-nrv.c: Update tree_pass descriptors.
5777         * tree-ssa-alias.c: Update tree_pass descriptors.
5778         * loop-init.c: Update tree_pass descriptors.
5779         * gimple-low.c: Update tree_pass descriptors.
5780         * ipa-inline.c: Update tree_pass descriptors.
5781         * tree-ssa-sink.c: Update tree_pass descriptors.
5782         * global.c: Update tree_pass descriptors.
5783         * ifcvt.c: Update tree_pass descriptors.
5784         * jump.c: Update tree_pass descriptors.
5785         * predict.c: Update tree_pass descriptors.
5786         * tree-ssa-loop.c: Update tree_pass descriptors.
5787         * recog.c: Update tree_pass descriptors.
5788         * dse.c: Update tree_pass descriptors.
5789         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
5790         * tree-eh.c: Update tree_pass descriptors.
5791         * regmove.c: Update tree_pass descriptors.
5792         * local-alloc.c
5793         * function.c: Update tree_pass descriptors.
5794         * tree-vectorizer.c: Update tree_pass descriptors.
5795         * gcse.c: Update tree_pass descriptors.
5796         * ipa-type-escape.c: Update tree_pass descriptors.
5797         * tree-if-conv.c: Update tree_pass descriptors.
5798         * init-regs.c: Update tree_pass descriptors.
5799         * ipa.c: Update tree_pass descriptors.
5800         * tree-ssa-phiopt.c: Update tree_pass descriptors.
5801         * rtl-factoring.c: Update tree_pass descriptors.
5802         * lower-subreg.c: Update tree_pass descriptors.
5803         * bt-load.c: Update tree_pass descriptors.
5804         * tree-dfa.c: Update tree_pass descriptors.
5805         * except.c: Update tree_pass descriptors.
5806         * emit-rtl.c: Update tree_pass descriptors.
5807         * cfgexpand.c: Update tree_pass descriptors.
5808         * tree-cfgcleanup.c: Update tree_pass descriptors.
5809         * cfgcleanup.c: Update tree_pass descriptors.
5810         * tree-ssa-pre.c: Update tree_pass descriptors.
5811         * tree-sra.c: Update tree_pass descriptors.
5812         * tree-mudflap.c: Update tree_pass descriptors.
5813         * tree-ssa-copy.c: Update tree_pass descriptors.
5814         * cfglayout.c: Update tree_pass descriptors.
5815         * tree-ssa-forwprop.c: Update tree_pass descriptors.
5816         * tree-ssa-dce.c: Update tree_pass descriptors.
5817         * tree-ssa.c: Update tree_pass descriptors.
5818         * regclass.c: Update tree_pass descriptors.
5819         * integrate.c: Update tree_pass descriptors.
5820         * tree-optimize.c: Update tree_pass descriptors.
5821         * tree-ssa-phiprop.c: Update tree_pass descriptors.
5822         * tree-object-size.c: Update tree_pass descriptors.
5823         * combine.c: Update tree_pass descriptors.
5824         * tree-outof-ssa.c: Update tree_pass descriptors.
5825         * bb-reorder.c: Update tree_pass descriptors.
5826         * stack-ptr-mod.c: Update tree_pass descriptors.
5827         * var-tracking.c: Update tree_pass descriptors.
5828         * tree-profile.c: Update tree_pass descriptors.
5829         * tree-vect-generic.c: Update tree_pass descriptors.
5830         * reg-stack.c: Update tree_pass descriptors.
5831         * sched-rgn.c: Update tree_pass descriptors.
5832         * tree-ssa-structalias.c: Update tree_pass descriptors.
5833         * tree-cfg.c: Update tree_pass descriptors.
5834         * passes.c (current_pass): Update declaration.
5835         (finish_optimization_passes): Update.
5836         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
5837         (register_one_dump_file, register_dump_files_1, next_pass_1):
5838         Update arguments.
5839         (init_optimization_passes): Update handling of new types.
5840         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
5841         * ipa-struct-reorg.c: Update tree_pass descriptors.
5842         * tree-ssa-reassoc.c: Update tree_pass descriptors.
5843         * combine-stack-adj.c: Update tree_pass descriptors.
5844         * cfgrtl.c: Update tree_pass descriptors.
5845         * dce.c: Update tree_pass descriptors.
5846         * tree-ssanames.c: Update tree_pass descriptors.
5848 2008-03-19  Richard Guenther  <rguenther@suse.de>
5850         PR middle-end/35609
5851         * tree-ssa.c (walk_data): New structure.
5852         (warn_uninitialized_var): If not always_executed warn with "maybe"
5853         instead of "is".
5854         (execute_early_warn_uninitialized): Compute post-dominators.
5855         Initialize always_executed before processing each basic block.
5857 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
5859         PR target/35504
5860         * config/i386/i386.c (x86_this_parameter): Calculate correct location
5861         of "this" pointer when "regparm = N" or "fastcall" is in effect.
5863 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5865         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
5867 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
5869         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
5870         is true.
5871         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
5872         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
5873         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
5874         target after ignore has been set, and move there also the commputation
5875         of subtarget and original_target.
5876         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
5877         (LANG_HOOKS_INITIALIZER): Remove it.
5878         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
5880 2008-03-18  Richard Guenther  <rguenther@suse.de>
5882         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
5883         found an expression with constants, note that in the VN for the lhs.
5884         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
5885         fold them to constants if possible.  Run cleanup_cfg if done so.
5886         (execute_pre): Return todo.
5887         (do_pre): Likewise.
5888         (execute_fre): Likewise.
5889         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
5890         of constants.
5891         (get_prop_source_stmt): Look through pointer conversions.
5893 2008-03-18  Jan Hubicka  <jh@suse.cz>
5895         * tree-pretty-print.c: Include predict.h.
5896         (dump_generic_node): Dump predictor.
5897         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
5898         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
5899         * gimple-low.c (lower_stmt): Likewise.
5900         * expr.c (expand_expr_real): Likewise.
5901         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
5902         them.
5903         (build_predict_expr, build_predict_expr): New.
5904         * predict.h (predictor_name, build_predict_expr): Update.
5905         * c-typeck.c (c_finish_bc_stmt): Add prediction.
5906         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
5907         * predict.def (PRED_CONTINUE): Update hitrate.
5908         * tree.def (PREDICT_EXPR): Define.
5909         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
5910         do not handle BIND_EXPR.
5911         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
5912         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
5913         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
5914         operands.
5916 2008-03-18  Michael Matz  <matz@suse.de>
5918         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
5920 2008-03-18  Richard Guenther  <rguenther@suse.de>
5922         * tree-gimple.h (is_gimple_invariant_address): Declare.
5923         (is_gimple_constant): Likewise.
5924         * tree-gimple.c (is_gimple_constant): New function.
5925         (is_gimple_invariant_address): Likewise.
5926         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
5927         and is_gimple_invariant_address.
5928         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
5929         previous change.
5930         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
5931         an addressable base.
5933 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
5935         PR middle-end/35611
5936         * gimplify.c (gimplify_expr): Gimplify second operand of
5937         OMP_ATOMIC_LOAD.
5939 2008-03-17  Richard Guenther  <rguenther@suse.de>
5941         PR tree-optimization/19637
5942         * fold-const.c (fold_unary): Remove restrictions of removing
5943         intermediate pointer-conversions (P2)(P1)P0.
5944         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
5945         conversion to void pointer.
5946         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
5948 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
5950         PR debug/31510
5951         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
5952         emulated thread local variables.
5954 2008-03-16  Richard Guenther  <rguenther@suse.de>
5956         PR middle-end/35607
5957         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
5958         expand TREE_INVARIANT operations that are not gimple invariant.
5960 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
5962         * doc/extend.texi (Alignment): Say that the ABI controls
5963         the __alignof__ for non-strict-alignment targets rather
5964         than being a recommendation.
5966 2008-03-15  Paul Brook  <paul@codesourcery.com>
5968         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
5969         annotations.
5970         (arm_output_fn_unwind): Mark functions that can not be unwound.
5972 2008-03-15  Paul Brook  <paul@codesourcery.com>
5974         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
5975         extension instructions.
5977 2008-03-15  Richard Guenther  <rguenther@suse.de>
5979         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
5980         and fold constant aggregate refs.
5981         (fold_const_aggregate_ref): Handle string constants
5982         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
5983         (evaluate_stmt): Simplify now that ccp_fold folds constant
5984         aggregate refs.
5986 2008-03-15  Paul Brook  <paul@codesourcery.com>
5988         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
5989         (extzv): Use gen_extzv_t2.
5990         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
5992 2008-03-15  Richard Guenther  <rguenther@suse.de>
5994         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
5995         (fold_const_aggregate_ref): Likewise.
5996         (get_value): Return NULL if we don't have any values.
5997         (ccp_finalize): Set const_val to NULL after freeing it.
5998         * tree-flow.h (get_symbol_constant_value): Declare.
5999         (fold_const_aggregate_ref): Likewise.
6000         * tree-ssa-sccvn.c (try_to_simplify): Use them.
6002 2008-03-15  Richard Guenther  <rguenther@suse.de>
6004         PR middle-end/35593
6005         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
6006         to not produce negative array indices if not allowed.  Add
6007         parameter to indicate that.
6008         (maybe_fold_offset_to_component_ref): Allow negative array
6009         indices only for the first member of a structure.
6010         (maybe_fold_offset_to_reference): Allow negative array indices.
6011         (maybe_fold_stmt_addition): Likewise.
6013 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
6014             Anatoly Sokolov <aesok@post.ru>
6016         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
6017         (avr_arch): Add ARCH_AVR6.
6018         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
6019         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
6020         instead of fixed value 2.
6021         (print_operand_address): Use gs() asm specifier instead of pm().
6022         (avr_assemble_integer): (Ditto.).
6023         (avr_output_addr_vec_elt): (Ditto.).
6024         (print_operand): Handle "!" code.
6025         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
6026         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
6027         (AVR_HAVE_EIJMP_EICALL): Define.
6028         (AVR_3_BYTE_PC): Redefine.
6029         (AVR_2_BYTE_PC): (Ditto.).
6030         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
6031         (LINK_SPEC): Add atmega2560 and atmega2561.
6032         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
6033         (crtm2561.o).
6034         * config/avr/avr.md (call_insn): Use eicall instead of icall 
6035         for 3 byte PC devices.
6036         (call_value_insn): (Ditto.).
6037         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
6038         (indirect_jump): Use only for for 2 byte PC devices.
6039         (*tablejump): (Ditto.).
6040         (*indirect_jump_avr6): Add insn.
6041         (*tablejump_rjmp): Don't use for 3 byte PC devices.
6042         * config/avr/libgcc.S (__prologue_saves__): Use eijmp 
6043         instead of ijmp for 3 byte PC devices.
6044         (__tablejump2__): (Ditto.).
6045         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
6046         (MULITLIB_DIRNAMES): (Ditto.). 
6047         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
6049 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
6051         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
6052         "sse2_umulsidi3".  Use V1DI mode for operand 0.
6053         ("mmx_psadbw"): Use V1DI mode for operand 0.
6054         * config/i386/i386-modes.def (V1SI): New vector mode.
6055         * config/i386/i386.c (struct builtin_description)
6056         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
6057         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
6058         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
6059         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
6060         v1di_ftype_v8qi_v8qi type.
6061         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
6063         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
6064         __builtin_ia32_pmuludq]: Fix the mode of return value.
6066 2008-03-15  Richard Guenther  <rguenther@suse.de>
6068         PR middle-end/35595
6069         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
6070         being a PHI_NODE.
6072 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
6073         
6074         * doc/invoke.texi (Option Summary, Xtensa Options): Document
6075         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
6076         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
6077         unless TARGET_SERIALIZE_VOLATILE is enabled.
6078         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
6079         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
6080         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
6082 2008-03-14  Richard Guenther  <rguenther@suse.de>
6084         PR tree-optimization/34172
6085         * tree-flow.h (refs_may_alias_p): Declare.
6086         (get_single_def_stmt): Likewise.
6087         (get_single_def_stmt_from_phi): Likewise.
6088         (get_single_def_stmt_with_phi): Likewise.
6089         * tree-dfa.c (refs_may_alias_p): New function.
6090         (get_single_def_stmt): Likewise.
6091         (get_single_def_stmt_from_phi): Likewise.
6092         (get_single_def_stmt_with_phi): Likewise.
6093         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
6094         (vn_reference_lookup_1): New helper function.
6095         (vn_reference_lookup): Walk the virtual use-def chain to
6096         continue searching for a match if the def does not alias the
6097         reference we are looking for.
6099 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
6101         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
6102         archive and Perzl.  Update The Written Word listing.
6104 2008-03-14  Richard Guenther  <rguenther@suse.de>
6106         PR tree-optimization/34043
6107         PR tree-optimization/33989
6108         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
6109         when doing FRE.
6110         (bitmap_find_leader): Use extra argument to verify dominance
6111         relationship inside a basic-block.
6112         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
6113         (find_leader_in_sets): Adjust.
6114         (create_component_ref_by_pieces): Take extra argument for
6115         dominance check, handle lookup failures.
6116         (find_or_generate_expression): Likewise.
6117         (create_expression_by_pieces): Likewise.
6118         (insert_into_preds_of_block): Adjust.
6119         (create_value_expr_from): If asked for, verify all operands
6120         are in the blocks AVAIL_OUT set.
6121         (make_values_for_stmt): Check for SSA_NAMEs that are life
6122         over an abnormal edge.
6123         (compute_avail): Remove such check.
6124         (do_SCCVN_insertion): New function.
6125         (eliminate): If we do not find a leader suitable for replacement
6126         insert a replacement expression from SCCVN if available.
6127         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
6128         (struct vn_ssa_aux): Add needs_insertion flag.
6129         * tree-ssa-sccvn.c (may_insert): New global flag.
6130         (copy_reference_ops_from_ref): Value-number union member access
6131         based on its size, not type and member if insertion is allowed.
6132         (visit_reference_op_load): For a weak match from union type
6133         punning lookup a view-converted value and insert a SSA_NAME
6134         for that value if that is not found.
6135         (visit_use): Make dumps shorter.  Do not disallow value numbering
6136         SSA_NAMEs that are life over an abnormal edge to constants.
6137         (free_scc_vn): Release inserted SSA_NAMEs.
6138         (run_scc_vn): New flag to specify whether insertion is allowed.
6139         Process SSA_NAMEs in forward order.
6140         * tree-ssa-loop-im.c (for_each_index): Handle invariant
6141         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
6142         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
6143         pointer type to/from integral types that do not change the
6144         precision to regular conversions.
6146 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
6148         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
6149         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
6150         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
6151         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
6152         input arguments and the mode of return value.  Built-in functions
6153         that operate on whole 64-bit MMX register now use V1DI mode.
6155 2008-03-13  Alon Dayan  <alond@il.ibm.com>
6156             Olga Golovanevsky  <olga@il.ibm.com>
6158         PR tree-optimization/35041
6159         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
6160         to locate the right position in a statement.
6162 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
6164         PR target/34000
6165         PR target/35553
6166         * config/i386/xmmintrin.h:  Change all static inline functions to
6167         extern inline and add __gnu_inline__ attribute.
6168         * config/i386/bmintrin.h: Ditto.
6169         * config/i386/smmintrin.h: Ditto.
6170         * config/i386/tmmintrin.h: Ditto.
6171         * config/i386/mmintrin-common.h: Ditto.
6172         * config/i386/ammintrin.h: Ditto.
6173         * config/i386/emmintrin.h: Ditto.
6174         * config/i386/pmmintrin.h: Ditto.
6175         * config/i386/mmintrin.h: Ditto.
6176         * config/i386/mm3dnow.h: Ditto.
6178 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
6180         PR middle-end/35185
6181         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
6182         (lower_omp_2): New function.
6183         (lower_omp_1, lower_omp): Rewritten.
6185 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
6187         PR 35054
6188         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
6189         with the phrase "Microsoft Windows compilers".
6190         (Push/Pop Macro Pragmas): New subsection. Document
6191         #pragma push_macro and pragma pop_macro.
6193 2008-03-12  Paul Brook  <paul@codesourcery.com>
6195         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
6197 2008-03-12  Paul Brook  <paul@codesourcery.com>
6199         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
6200         (thumb2_alusi3_short): Exclude PLUS and MINUS.
6201         (thumb2_addsi_shortim): Rename ...
6202         (thumb2_addsi_short): ... to this.  Allow register operands.
6203         (thumb2_subsi_short): New pattern.
6204         (thumb2_one_cmplsi2_short,
6205         thumb2_negsi2_short): New patterns and peepholes.
6207 2008-03-12  Paul Brook  <paul@codesourcery.com>
6209         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
6211 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
6213         * config/i386/i386.md (int_cond): New code iterator.
6214         (fp_cond): Ditto.
6215         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
6216         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
6217         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
6218         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
6219         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
6220         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
6221         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
6222         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
6224 2008-03-12  Paul Brook  <paul@codesourcery.com>
6226         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
6227         instead of {arm,thumb}_compute_save_reg_mask.
6228         (output_return_instruction): Ditto.
6229         (thumb_unexpanded_epilogue): Ditto.
6230         (thumb1_expand_prologue): Ditto.
6231         (thumb1_output_function_prologue): Ditto.
6232         (arm_set_return_address): Ditto.
6233         (thumb_set_return_address): Ditto.
6234         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
6235         regs to achieve stack alignment.
6236         (thumb1_compute_save_reg_mask): Fix compiler warning.
6237         (arm_output_epilogue): Use offsets->saved_regs_mask.
6238         Adjust stack pointer by poping call clobered registers.
6239         (arm_expand_prologue): Use offsets->saved_regs_mask.
6240         Adjust stack pointer by pushing extra registers.
6241         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
6243 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
6245         PR tree-opt/35422
6246         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
6247         conversion to the operands of a multiplication.
6249 2008-03-12  Richard Guenther  <rguenther@suse.de>
6251         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
6252         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
6253         * timevar.def (TV_TREE_PHIPROP): Add.
6254         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
6255         pass description.  Use TV_TREE_PHIPROP.
6256         * tree-ssa-forwprop.c: Remove phiprop code.
6258 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
6260         PR middle-end/35549
6261         * omp-low.c (maybe_lookup_decl): Constify first argument.
6262         (use_pointer_for_field): Change last argument from bool to
6263         omp_context *.  Disallow shared copy-in/out in nested
6264         parallel if decl is shared in outer parallel too.
6265         (build_outer_var_ref, scan_sharing_clauses,
6266         lower_rec_input_clauses, lower_copyprivate_clauses,
6267         lower_send_clauses, lower_send_shared_vars): Adjust callers.
6269 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
6270             Ira Rosen  <irar@il.ibm.com>
6272         * tree-vectorizer.c (free_stmt_vec_info): New function.
6273         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
6274         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
6275         * tree-vectorizer.h (free_stmt_vec_info): Declare.
6276         * tree-vect-transform.c (vectorizable_conversion): Free
6277         vec_oprnds0 if it was allocated.
6278         (vect_permute_store_chain): Remove unused VECs.
6279         (vectorizable_store): Free VECs that are allocated in the..
6280         function.
6281         (vect_transform_strided_load, vectorizable_load): Likewise.
6282         (vect_remove_stores): Simplify the code.
6283         (vect_transform_loop): Move code to vect_remove_stores().
6284         Call vect_remove_stores() and free_stmt_vec_info().
6286 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6288         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
6289         TARGET_HPUX.  Revise comment.
6290         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
6291         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
6292         Use sr4 variant of `be' instruction when not generating PIC code.
6293         (attr_length_call): Adjust for above change.
6295 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6297         * ipa-reference.c (static_execute): Remove module_statics_const and
6298         associated setting code.
6300 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
6302         PR target/35540
6303         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
6304         predicate for operand 1.
6305         (paritysi2_cmp): Use register_operand predicate for operand 2.
6306         Use earlyclobber modifier for operand 1.  Remove support for
6307         memory operands.
6308         (paritydi2_cmp): Use register_operand predicate for operand 3.
6309         Use earlyclobber modifier for operand 1.  Remove support for
6310         memory operands.
6312 2008-03-11  Paul Brook  <paul@codesourcery.com>
6313             Vladimir Prus  <vladimir@codesourcery.com>
6315         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
6316         (arm_compute_save_reg0_reg12_mask): Always
6317         check if register 11 must be saved.  Always safe hard frame pointer
6318         when frame_pointer_needeed.
6319         (arm_compute_save_reg_mask): Save IP and PC
6320         only with apcs frames.
6321         (arm_output_epilogue): Adjust Thumb2 codepath to
6322         be also invoked and work for ARM non-apcs frames.
6323         (arm_expand_prologue): Don't bother saving IP
6324         for non-apcs frame, since it's not clobbered by
6325         prologue code.  Implement non-apcs frame
6326         layout.
6328 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
6330         PR rtl-optimization/35281
6331         * expr.c (convert_move): Use a new pseudo for the intermediate
6332         from_mode->word_mode result.
6334 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
6336         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
6337         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
6338         * toplev.c (compile_file): Don't call it.
6340 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
6342         PR middle-end/35526
6343         * expr.c (store_expr): Call emit_block_move if the mode
6344         of "temp" RTX is BLKmode.
6346 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6347             Richard Guenther  <rguenther@suse.de>
6349         PR tree-optimization/31358
6350         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
6351         the step with a NULL_TREE.
6352         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
6353         to sizetype if type is a pointer type.
6354         (add_candidate_1): Don't convert the base and step to
6355         the generic type if the orginal type is a pointer type.
6356         (add_iv_value_candidates): Use sizetype for the step
6357         if type is a pointer type.
6358         (cand_value_at): Likewise.
6359         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
6360         for pointer types.
6361         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
6362         Don't convert the tem affine to the type.
6363         (add_elt_to_tree): Use sizetype for the step if a pointer.
6364         Use POINTER_PLUS_EXPR for pointers.
6365         (aff_combination_to_tree): Use sizetype for the step if a
6366         pointer.
6368 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
6370         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
6371         Remove commutativity hint.
6373 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
6375         PR c/35438
6376         PR c/35439
6377         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
6378         errorneous type.  Check that v is a VAR_DECL.
6380         PR middle-end/35099
6381         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
6383 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
6385         PR tree-optimization/35494
6386         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
6387         may be overriden at link and run time.
6389 2008-03-10  Richard Guenther  <rguenther@suse.de>
6391         PR tree-optimization/34677
6392         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
6393         (poolify_tree): Likewise.
6394         (modify_expr_template): Likewise.
6395         (poolify_modify_stmt): Likewise.
6396         (insert_fake_stores): Handle all component-ref style stores
6397         in addition to INDIRECT_REF.  Also handle complex types.
6398         Do not poolify the inserted load.
6399         (realify_fake_stores): Do not rebuild the tree but only
6400         make it a SSA_NAME copy.
6401         (init_pre): Remove initialzation of modify_expr_template.
6402         Do not allocate modify_expr_node_pool.
6403         (fini_pre): Do not free modify_expr_node_pool.
6405 2008-03-10  Paul Brook  <paul@codesourcery.com>
6407         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
6408         to avoid conflicts.
6410 2008-03-10  Paul Brook  <paul@codesourcery.com>
6411             Mark Shinwell  <shinwell@codesourcery.com>
6413         * config/arm/cortex-r4.md: New.
6414         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
6415         insn attributes.
6416         * config/arm/arm.md: Include cortex-r4.md.
6417         (insn): Add smmls, sdiv and udiv values.
6418         (generic_sched): Don't use generic scheduling for Cortex-R4.
6419         (arm_issue_rate): New function.
6420         (TARGET_SCHED_ISSUE_RATE): Define.
6422 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
6424         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
6426 2008-03-10  Richard Guenther  <rguenther@suse.de>
6428         * tree-ssa-pre.c (get_sccvn_value): Simplify.
6429         (compute_avail): Do not add stmt uses to AVAIL_OUT.
6431 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
6433         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
6434         Set default to true.
6436 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6438         * c.opt (Wsynth): Deprecate.
6439         * doc/invoke.texi (Option Summary, Warning Options): Document
6440         -Wno-format-contains-nul.
6442 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
6444         PR target/35496
6445         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
6446         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
6448 2008-03-09  Ira Rosen  <irar@il.ibm.com>
6450         * config/rs6000/rs6000.c (builtin_description): Rename vector
6451         left shift operations.
6452         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
6453         (altivec_vsl<VI_char>): Rename to ...
6454         (ashl<mode>3): ... new name.
6455         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
6456         gen_ashlv4si3.
6457         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
6459 2008-03-08  Richard Guenther  <rguenther@suse.de>
6461         * coverage.h (tree_coverage_counter_addr): Declare.
6462         * coverage.c (tree_coverage_counter_addr): New function.
6463         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
6464         before using again.
6465         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
6466         (tree_gen_one_value_profiler): Likewise.
6467         (tree_gen_ic_profiler): Likewise.
6468         (tree_gen_average_profiler): Likewise.
6469         (tree_gen_ior_profiler): Likewise.
6471 2008-03-08  Richard Guenther  <rguenther@suse.de>
6473         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
6474         (vn_binary_op_insert): Likewise.
6475         (vn_unary_op_lookup): Likewise.
6476         (vn_unary_op_insert): Likewise.
6477         (vn_nary_op_lookup): Declare.
6478         (vn_nary_op_insert): Likewise.
6479         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
6480         and binary hashes, use a single obstack for unary_op_pool
6481         and binary_op_pool.
6482         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
6483         a single struct vn_nary_op_s.  Store tree code length and
6484         a variable number of operands.
6485         (struct vn_reference_op_struct): Remove unused op2.
6486         (vn_reference_op_eq): Do not compare op2.
6487         (vn_reference_op_compute_hash): Do not compute hash of op2.
6488         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
6489         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
6490         with vn_nary_op_compute_hash.
6491         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
6492         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
6493         vn_nary_op_lookup.
6494         (vn_unary_op_insert, vn_binary_op_insert): Replace with
6495         vn_nary_op_insert.
6496         (visit_unary_op): Call nary functions.
6497         (visit_binary_op): Likewise.
6498         (process_scc): Adjust for struct vn_tables_s changes.
6499         (allocate_vn_table): Likewise.
6500         (free_vn_table): Likewise.
6501         * tree-vn.c (vn_add): Call nary functions.
6502         (vn_lookup): Likewise.
6504 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
6506         PR target/35498
6507         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
6508         wdst back after sync_compare_and_swapqhi_internal.
6510 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
6512         PR target/22152
6513         * config/i386/i386-modes.def (V1DI): New vector mode.
6514         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
6515         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
6516         (MMXMODE248): Ditto.
6517         (MMXMODE): Add V1DI mode.
6518         (mmxvecsize): Change DI mode to V1DI mode.
6519         ("mov<mode>): Use MMXMODEI8 mode iterator.
6520         ("*mov<mode>_internal_rex64"): Ditto.
6521         ("*mov<mode>_internal"): Ditto.
6522         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
6523         ("mmx_sub<mode>3"): Ditto.
6524         ("mmx_adddi3"): Remove insn pattern.
6525         ("mmx_subdi3"): Ditto.
6526         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
6527         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
6528         ("mmx_ashl<mode>3"): Ditto.
6529         ("mmx_lshrdi3"): Remove insn pattern.
6530         ("mmx_ashldi3"): Ditto.
6531         * config/i386/i386.c (classify_argument): Handle V1DImode.
6532         (function_arg_advance_32): Ditto.
6533         (function_arg_32): Ditto.
6534         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
6535         mmx_addv1di3 insn pattern.
6536         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
6537         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
6538         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
6539         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
6540         Remove definitions of built-in functions.
6541         (V1DI_type_node): New node.
6542         (v1di_ftype_v1di_int): Ditto.
6543         (v1di_ftype_v1di_v1di): Ditto.
6544         (v2si_ftype_v2si_si): Ditto.
6545         (v4hi_ftype_v4hi_di): Remove node.
6546         (v2si_ftype_v2si_di): Ditto.
6547         (ix86_init_mmx_sse_builtins): Handle V1DImode.
6548         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
6549         Redefine builtins using def_builtin_const with *_ftype_*_int node.
6550         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
6551         Add new builtins using def_builtin_const.
6552         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
6553         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
6554         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
6555         * config/i386/mmintrin.h (__v1di): New typedef.
6556         (_mm_add_si64): Cast arguments to __v1di type.
6557         (_mm_sub_si64): Ditto.
6558         (_mm_sll_pi16): Cast __count to __v4hi type.
6559         (_mm_sll_pi32): Cast __count to __v2si type.
6560         (_mm_sll_si64): Cast arguments to __v1di type.
6561         (_mm_srl_pi16): Cast __count to __v4hi type.
6562         (_mm_srl_pi32): Cast __count to __v2si type.
6563         (_mm_srl_si64): Cast arguments to __v1di type.
6564         (_mm_sra_pi16): Cast __count to __v4hi type.
6565         (_mm_sra_pi32): Cast __count to __v2si type.
6566         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
6567         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
6568         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
6569         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
6570         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
6571         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
6572         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
6573         (_mm_srai_pi32): Use __builtin_ia32_psradi.
6574         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
6575         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
6576         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
6577         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
6579 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
6581         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
6583 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
6585         PR target/35373
6586         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
6587         reg+const addressing for Altivec modes.  Don't generate reg+reg
6588         addressing for TFmode or TDmode quantities.
6590 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
6592         * c-common.c (vector_types_convertible_p): Call langhook
6593         instead of comptypes.
6595 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6597         PR tree-opt/35402
6598         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
6599         integral and scalar float variables which have a
6600         NULL DECL_INITIAL.
6602 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
6604         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
6605         dwarf_register_span hook when emitting unwind information for
6606         register-to-memory saves.
6607         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
6608         (rs6000_frame_related): Remove call to spe_synthesize_frame.
6610 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
6612         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
6613         for the same VAR_DECL.
6615 2008-03-06  Tom Tromey  <tromey@redhat.com>
6617         * treelang: Delete.
6618         * doc/standards.texi (Standards): Don't mention treelang.
6619         * doc/invoke.texi (Overall Options): Don't mention treelang.
6620         * doc/install.texi (Prerequisites): Don't mention bison or
6621         treelang.
6622         (Configuration): Don't mention treelang.
6623         (Building): Likewise.
6624         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
6626 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
6628         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
6629         word-extractions out of a multi-word object.
6631 2008-03-06  Richard Guenther  <rguenther@suse.de>
6633         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
6634         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
6635         result type and precision.
6636         * expr.c (get_inner_reference): Set unsignedp based on the result
6637         type of BIT_FIELD_REF.
6638         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
6639         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
6640         (try_instantiate_multiple_fields): Likewise.  Use the correct type
6641         for BIT_FIELD_REF.
6642         (sra_build_assignment): Likewise.
6643         (sra_build_elt_assignment): Likewise.
6644         (sra_explode_bitfield_assignment): Likewise.
6645         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
6646         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
6647         set BIT_FIELD_REF_UNSIGNED.
6648         (vectorizable_load): Likewise.
6650 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6652         * cse.c (cse_extended_basic_block): Invalidate artificial defs
6653         at bb start.
6655 2008-03-06  Richard Guenther  <rguenther@suse.de>
6657         * alias.c (struct alias_set_entry): Move has_zero_child field
6658         to pack with alias_set.
6660 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
6662         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
6663         32bit host.
6665 2008-03-05  Ian Lance Taylor  <iant@google.com>
6667         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
6669 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
6671         * fwprop.c (update_df): Support width and offset parameters of
6672         df_ref_create.
6673         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
6674         global_conflicts): Change DF_REF_EXTRACT to either
6675         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
6676         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
6677         * df-scan.c (df_ref_record, df_defs_record,
6678         df_ref_create_structure, df_def_record_1, df_uses_record,
6679         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
6680         df_bb_refs_collect, df_entry_block_defs_collect,
6681         df_exit_block_uses_collect): Support new width and offset fields.
6682         (ref_extract_pool): New storage pool.
6683         (df_free_ref): New function.
6684         (df_reg_chain_unlink, df_free_collection_rec,
6685         df_sort_and_compress_refs): Call df_free_ref.
6686         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
6687         of df_ref_extract.
6688         (df_ref_create_structure): Allocate df_ref_extract if offset and
6689         width fields are used.
6690         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
6691         (df_uses_record): Get offset and width from ZERO_EXTRACT 
6692         and SIGN_EXTRACT.
6693         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
6694         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
6695         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
6696         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
6697         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
6698         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
6699         (df_ref_extract): New structure.
6700         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
6701         (df_ref_create): Add width and offset parameters.
6702         
6703 2008-03-05  Richard Guenther  <rguenther@suse.de>
6705         * tree-ssa-structalias.c (get_constraint_for_component_ref):
6706         Use ranges_overlap_p.
6707         (offset_overlaps_with_access): Rename
6708         to ranges_overlap_p and move ...
6709         * tree-flow-inline.h (ranges_overlap_p): ... here.
6711         * tree.h (get_inner_reference, handled_component_p): Update
6712         comments.
6714         * tree.h (record_component_aliases, get_alias_set,
6715         alias_sets_conflict_p, alias_sets_must_conflict_p,
6716         objects_must_conflict_p): Move declarations ...
6717         * alias.h (record_component_aliases, get_alias_set,
6718         alias_sets_conflict_p, alias_sets_must_conflict_p,
6719         objects_must_conflict_p): ... here.
6720         Include coretypes.h.
6721         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
6723 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
6725         * cfg.c: Include tree-flow.h.
6726         (remove_edge_raw): Call redirect_edge_var_map_clear.
6727         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
6728         * tree-flow-inline.h (redirect_edge_var_map_def): New.
6729         (redirect_edge_var_map_result): New.
6730         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
6731         PENDING_STMT use with redirect_edge_var_map_*.
6732         * tree-ssa.c (edge_var_maps): New definition.
6733         (redirect_edge_var_map_add): New.
6734         (redirect_edge_var_map_clear): New.
6735         (redirect_edge_var_map_dup): New.
6736         (redirect_edge_var_map_vector): New.
6737         (redirect_edge_var_map_destroy): New.
6738         (ssa_redirect_edge): Replace PENDING_STMT use with
6739         redirect_edge_var_map_*.
6740         (flush_pending_stmts): Same.
6741         (delete_tree_ssa): Destroy edge var map.
6742         * tree-flow.h (struct _edge_var_map): New.
6743         Define edge_var_map vector type.
6744         Declare redirect_edge_var_map_* prototypes.
6745         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
6746         * tree-cfg.c (reinstall_phi_args): Replace
6747         PENDING_STMT use with redirect_edge_var_map_*.
6749 2008-03-05  Richard Guenther  <rguenther@suse.de>
6751         PR tree-optimization/35472
6752         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
6753         whose single use_stmt has a overlapping set of loaded and
6754         stored symbols as that use_stmt might be a noop assignment then.
6756 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
6758         * gthr-rtems.h: Implement __gthread_mutex_destroy.
6760 2008-03-05  Richard Guenther  <rguenther@suse.de>
6762         PR c++/35336
6763         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
6764         should be constants.
6765         * tree-cfg.c (verify_expr): Verify it.
6766         * fold-const.c (fold_truthop): Remove code generating
6767         BIT_FIELD_REFs of structure bases.
6768         (fold_binary): Likewise.
6769         (fold_ternary): Position and size of BIT_FIELD_REFs are
6770         always host integers.
6771         (make_bit_field_ref): Remove.
6772         (optimize_bit_field_compare): Remove.
6773         (all_ones_mask_p): Remove.
6775 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
6777         PR gcc/33009
6778         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
6779         (split_block_and_df_analyze): New. Split basic block and rebuild
6780         dataflow.
6781         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
6782         SPLIT_BLOCK.
6783         (split_pattern_seq): Likewise.
6784         (erase_matching_seqs): Likewise.
6785         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
6787 2008-03-04  Geoff Keating  <geoffk@apple.com>
6789         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
6790         declaration and code.
6791         (tree_invalid_nonnegative_warnv_p): Likewise.
6793 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
6795         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
6796         examples.  Truncate option-names then causing overfull hbox.
6798 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6800         PR target/35222
6801         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
6802         on hpux10.
6803         * configure: Rebuilt.
6805 2008-03-04  Rafael Espindola  <espindola@google.com>
6807         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
6808         (tree_unary_nonnegative_warnv_p): New.
6809         (tree_binary_nonnegative_warnv_p): New.
6810         (tree_single_nonnegative_warnv_p): New.
6811         (tree_invalid_nonnegative_warnv_p): New.
6812         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
6814 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6816         PR 28322
6817         * opts.c (handle_option): Postpone 'unknown option' errors only for
6818         warning options.
6820 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
6822         PR target/35453
6823         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
6824         (_SIDD_XXX): This.
6826 2008-03-04  Rafael Espindola  <espindola@google.com>
6828         * fold-const.c (tree_unary_nonzero_warnv_p): New.
6829         (tree_binary_nonzero_warnv_p): New.
6830         (tree_single_nonzero_warnv_p): New.
6831         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
6833 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
6835         PR middle-end/35456
6836         * fold-const.c (fold_cond_expr_with_comparison): Prevent
6837         transformations for modes that have signed zeros.
6838         * ifcvt.c (noce_try_abs): Ditto.
6840 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
6842         * config/i386/i386.c (override_options): Force
6843         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
6845 2008-03-04  Jan Hubicka  <jh@suse.cz>
6847         PR c++/35262
6848         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
6849         in last commit.
6851 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
6853         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
6854         label to probe the stack.
6856 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
6858         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
6859         (__gthr_win32_mutex_destroy): Declare.
6860         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
6861         __gthr_win32_mutex_destroy.
6862         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
6864 2008-03-03  Jan Hubicka  <jh@suse.cz>
6866         PR c++/35262
6867         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
6868         aggressive on inlining cold calls.
6870 2008-03-03  Richard Guenther  <rguenther@suse.de>
6872         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
6873         struct copies into the expression table.
6874         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
6875         (try_to_simplify): Likewise.
6876         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
6877         integral and pointer arguments which do not change the
6878         precision to NOP_EXPRs.
6879         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
6880         VIEW_CONVERT_EXPR case.
6882 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
6884         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
6885         defined in a loop at depth 0 is invariant.
6886         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
6887         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
6888         be called at loop depth 0.
6890 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
6892         PR driver/35420
6893         * gcc.c (process_command): Update copyright notice dates.
6894         * gcov.c (print_version): Likewise.
6895         * gcov-dump.c (print_version): Likewise.
6896         * mips-tfile.c (main): Likewise.
6897         * mips-tdump.c (main): Likewise.
6899 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6901         PR 24924
6902         * c-common.c (flag_permissive): Delete.
6903         (constant_expression_warnings): Check flags first.
6904         (constant_expression_error): New.
6905         * c-common.h (flag_permissive): Delete.
6906         (constant_expression_error): Declare.
6907         * flags.h (flag_permissive): Declare. Update description.
6908         * diagnostic.c (pedwarn): Update.
6909         (permerror): New.
6910         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
6911         (permissive_error_kind): New.
6912         * toplev.c (flag_permissive): Define. Update description.
6913         * toplev.h (permissive_error_kind): Declare.
6914         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
6915         (pedwarn_c90): Use pedantic_warning_kind.
6916         * c-opts.c (c_common_post_options): flag_permissive does not affect
6917         flag_pedantic_errors.
6919 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
6921         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
6922         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
6923         __absvsi2, __absvDI2): Use unsigned arithmetic.
6925 2008-03-02  Andi Kleen  <ak@suse.de>
6926             Richard Guenther  <rguenther@suse.de>
6928         * struct-equiv.c: Remove file.
6929         * cfg_cleanup.c (condjump_equiv_p): Remove.
6930         * Makefile.in (OBJS-common): Remove struct-equiv.o.
6931         (struct-equiv.o): Remove rule.
6932         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
6933         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
6934         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
6936 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
6938         * ifcvt.c (noce_process_if_block): Try to handle only the then
6939         block if the else block exists but isn't suitable.
6941 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
6943         PR gcc/35063
6944         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
6945         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
6946         regression from previous patch.
6948 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
6950         PR gcc/35063
6951         * gthr.h: Add __gthread_mutex_destroy as a function that must be
6952         implemented.
6953         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
6954         * gthr-single.h (__gthread_mutex_destroy): Likewise.
6955         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
6956         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
6957         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
6958         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
6959         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
6960         (__gthread_mutex_destroy_function): Rename to
6961         __gthread_mutex_destroy.
6962         * gthr-dce.h (__gthread_mutex_destroy): Call
6963         pthread_mutex_destroy.
6964         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
6965         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
6966         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
6968 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
6970         * df-scan.c (df_ref_chain_change_bb): Simplify.
6971         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
6972         set_block_for_insn if there's any change.
6973         * df.h ((df_insn_change_bb): Fix prototype.
6974         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
6975         df_insn_change_bb, don't call set_block_for_insn.
6976         * emit-rtl.c (reorder_insns): Likewise.
6977         * haifa-sched.c (move_insn): Likewise.
6979 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
6981         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
6983 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
6985         * tree-flow-inline.h (next_readonly_imm_use): Return
6986         NULL_USE_OPERAND_P after the end.
6988 2008-03-01  Richard Guenther  <rguenther@suse.de>
6990         PR tree-optimization/35411
6991         * tree-sra.c (sra_build_assignment): Split conversion to
6992         final type to a separate statement if we are not assigning
6993         to a register.
6995 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
6997         * fold-const.c (fold_convertible_p): Correct the logic to follow
6998         that in fold_convert().
7000 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
7002         PR c++/35315
7003         * tree-inline.c (build_duplicate_type): When we make a
7004         duplicate type, make it unique in the canonical types system.
7006 2008-02-29  Tom Tromey  <tromey@redhat.com>
7008         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
7009         input_file_stack_history, input_file_stack_restored): Remove.
7010         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
7011         * input.h (struct file_stack): Remove.
7012         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
7013         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
7014         Likewise.
7015         * diagnostic.h (struct diagnostic_context) <last_module>: Change
7016         type.
7017         (diagnostic_last_module_changed): Add 'map' argument.
7018         (diagnostic_set_last_function): Likewise.
7019         * diagnostic.c (undiagnostic_report_current_module): Iterate using
7020         line map, not input_file_stack.
7021         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
7023 2008-02-29  Paul Brook  <paul@codesourcery.com>
7025         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
7027 2008-02-29  Paul Brook  <paul@codesourcery.com>
7029         * config/arm/ieee754-df.S (muldf3): Use RET macros.
7031 2008-02-29  Richard Guenther  <rguenther@suse.de>
7033         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
7034         vn_lookup_or_add.
7035         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
7036         value for comparing for a store match.
7037         (simplify_unary_expression): Do nothing for SSA_NAMEs.
7038         (try_to_simplify): Do not do a full-blown reference lookup.
7040 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
7042         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
7043         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
7045         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
7047 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
7049         * tree-loop-linear.c (try_interchange_loops): Compare memory access
7050         strides against cache sizes.
7052 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
7054         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
7055         constant to fpul.
7057 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
7059         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
7060         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
7061         is smaller than the original promoted value.
7062         (simplify_subreg): If OP is a SUBREG, try to preserve its
7063         SUBREG_PROMOTED_VAR_P information.
7065 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
7067         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
7068         (VN_INFO_GET): Allocate new objects on the obstack.
7069         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
7070         for rpo_numbers_temp, for consistency.
7071         (free_scc_vn): Free the obstack.
7073 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
7075         * doc/invoke.texi: Document -ftree-loop-distribution.
7076         * tree-loop-distribution.c: New.
7077         * tree-pass.h (pass_loop_distribution): New.
7078         * graphds.h (struct graph): Add htab_t indices.
7079         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
7080         * tree-vectorizer.c (rename_variables_in_loop): Extern.
7081         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
7082         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
7083         * tree-data-ref.c (debug_data_dependence_relations): New.
7084         (dump_data_dependence_relation): Also print data references.
7085         (free_data_ref): Extern.
7086         (same_access_functions): Moved...
7087         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
7088         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
7089         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
7090         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
7091         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
7092         (stmts_from_loop): Skip LABEL_EXPR.
7093         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
7094         New.
7095         (build_rdg): Initialize rdg->indices htab.
7096         (free_rdg, stores_from_loop, ref_base_address,
7097         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
7098         have_similar_memory_accesses_1, ref_base_address_1,
7099         remove_similar_memory_refs): New.
7100         * tree-data-ref.h: Depend on tree-chrec.h.
7101         (debug_data_dependence_relations, free_data_ref): Declared.
7102         (same_access_functions): ... here.
7103         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
7104         New.
7105         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
7106         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
7107         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
7108         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
7109         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
7110         rdg_vertex_for_stmt): Declared.
7111         (struct rdg_edge): Add level.
7112         (RDGE_LEVEL): New.
7113         (free_rdg, stores_from_loop, remove_similar_memory_refs,
7114         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
7115         Declared.
7116         (rdg_has_similar_memory_accesses): New.
7117         * tree-vect-analyze.c: Remove unused static decls.
7118         * lambda.h (dependence_level): New.
7119         * common.opt (ftree-loop-distribution): New.
7120         * tree-flow.h (mark_virtual_ops_in_bb, 
7121         slpeel_tree_duplicate_loop_to_edge_cfg,
7122         rename_variables_in_loop): Declared.
7123         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
7124         (OBJS-common): Add tree-loop-distribution.o.
7125         (tree-loop-distribution.o): New rule.
7126         * tree-cfg.c (mark_virtual_ops_in_bb): New.
7127         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
7128         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
7130 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
7132         PR target/33963
7133         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
7134         other than structures and unions.
7136 2008-02-28  Richard Guenther  <rguenther@suse.de>
7138         Revert:
7139         2008-02-26  Richard Guenther  <rguenther@suse.de>
7141         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7142         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7143         (lookup_decl_from_uid): Declare.
7144         (remove_decl_from_map): Likewise.
7145         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7146         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7147         (decl_for_uid_map): New global hashtable mapping DECL_UID
7148         to the decl tree.
7149         (init_ttree): Allocate it.
7150         (insert_decl_to_uid_decl_map): New helper function.
7151         (make_node_stat): Insert new decls into the map.
7152         (copy_node_stat): Likewise.
7153         (lookup_decl_from_uid): New function.
7154         (remove_decl_from_map): Likewise.
7155         (print_decl_for_uid_map_statistics): New helper.
7156         (dump_tree_statistics): Call it.
7158         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7159         (referenced_var_iterator): Adjust.
7160         (FOR_EACH_REFERENCED_VAR): Adjust.
7161         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7162         (num_referenced_vars): Adjust.
7163         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7164         (first_referenced_var): Remove.
7165         (end_referenced_vars_p): Likewise.
7166         (next_referenced_var): Likewise.
7167         (referenced_var_iterator_set): New helper function.
7168         * tree-dfa.c (referenced_var_lookup): Adjust.
7169         (referenced_var_check_and_insert): Likewise.
7170         (remove_referenced_var): Likewise.
7171         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7172         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7173         (verify_call_clobbering): Likewise.
7174         (verify_memory_partitions): Likewise.
7175         (init_tree_ssa): Allocate bitmap instead of hashtable for
7176         referenced_vars.
7177         (delete_tree_ssa): Adjust.
7178         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7179         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7180         (compute_tag_properties): Likewise.
7181         (set_initial_properties): Likewise.
7182         (find_partition_for): Likewise.
7183         (update_reference_counts): Likewise.
7184         (dump_may_aliases_for): Likewise.
7185         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7186         (add_call_clobber_ops): Likewise.
7187         (add_call_read_ops): Likewise.
7188         (get_asm_expr_operands): Likewise.
7189         * tree-into-ssa.c (dump_decl_set): Likewise.
7190         (update_ssa): Likewise.
7191         * tree-sra.c (scan_function): Likewise.
7192         (decide_instantiations): Likewise.
7193         (scalarize_parms): Likewise.
7194         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7195         (dsa_named_for): Likewise.
7196         * tree-ssa-structalias.c (update_alias_info): Likewise.
7197         (merge_smts_into): Likewise.
7199 2008-02-27  David Daney  <ddaney@avtrex.com>
7201         PR target/34409
7202         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
7203         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
7204         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
7205         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
7206         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
7208 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
7210         PR target/25477
7211         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
7212         (BUILT_IN_NEXTTOWARD): Remove.
7213         (BUILT_IN_NEXTTOWARDF): Ditto.
7214         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
7215         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
7217 2008-02-27  Tom Tromey  <tromey@redhat.com>
7219         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
7220         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
7222 2008-02-27  Jan Beulich  <jbeulich@novell.com>
7224         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
7225         update the respective field on newdecl.
7227 2008-02-27  Revital Eres  <eres@il.ibm.com>
7229         PR rtl-optimization/34999
7230         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
7231         crossing edges that ends with a call insn.
7232         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
7233         call insn and clear the EDGE_CROSSING flag of the crossing edge
7234         when fixing fallthru edges.
7236 2008-02-27  Richard Guenther  <rguenther@suse.de>
7238         PR middle-end/35390
7239         * fold-const.c (fold_unary): Return the correct argument,
7240         converted to the result type.
7242 2008-02-27  Richard Guenther  <rguenther@suse.de>
7244         PR middle-end/34971
7245         * expr.c (expand_expr_real_1): Assert on rotates that operate
7246         on partial modes.
7247         * fold-const.c (fold_binary): Use the types precision, not the
7248         bitsize of the mode if folding rotate expressions.  Build rotates
7249         only for full modes.
7251 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
7253         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
7254         and CPP_PRAGMA_EOL.
7255         * c-pragma.c (pragma_ns_name): New typedef.
7256         (registered_pp_pragmas): New variable.
7257         (c_pp_lookup_pragma): New function.
7258         (c_register_pragma_1): If flag_preprocess_only, do nothing
7259         for non-expanded pragmas, for expanded ones push pragma's
7260         namespace and name into registered_pp_pragmas vector.
7261         (c_invoke_pragma_handler): Register OpenMP pragmas even when
7262         flag_preprocess_only, don't register GCC pch_preprocess
7263         pragma if flag_preprocess_only.
7264         * c-opts.c (c_common_init): Call init_pragma even if
7265         flag_preprocess_only.
7266         * c-pragma.c (c_pp_lookup_pragma): New prototype.
7267         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
7268         cpp_register_pragma if flag_preprocess_only.
7270 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7272         PR c/28800
7273         * c-parser.c (c_parser_translation_unit): Warn for empty
7274         translation unit, not empty source file.
7276 2008-02-26  Paul Brook  <paul@codesourcery.com>
7278         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
7279         operand for Thumb-2.
7280         * config/arm/arm.h (reg_class): Add CORE_REGS.
7281         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
7282         (BASE_REG_CLASS): Use CORE_REGS.
7283         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
7284         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
7285         (REGNO_OK_FOR_INDEX_P): Exclude SP.
7286         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
7287         ARM_REGNO_OK_FOR_INDEX_P.
7288         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
7289         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
7290         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
7291         (ldm/stm peepholes): Ditto.
7292         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
7293         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
7294         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
7295         * config/arm/constraints.md: Enable "k" constraint on ARM.
7297 2008-02-27  Ben Elliston  <bje@au.ibm.com>
7299         * config/rs6000/rs6000.c: Annotate cache line size field in all
7300         instances of struct processor_costs.
7302 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
7304         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
7305         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
7306         jump_bypass): New counters.
7307         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
7308         * dce.c (gate_ud_dce): Same.
7309         (gate_fast_dce): Same.
7310         * dse.c (gate_dse1): New function.
7311         (gate_dse2): New function.
7312         (gate_dse): Merge results of new gate functions.
7313         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
7314         (gate_handle_jump_bypass): Add dbg_cnt.
7315         (gate_handle_gcse): Add dbg_cnt.
7316         * ifcvt.c (gate_handle_if_conversion): Same.
7317         (gate_handle_if_after_combine): Same.
7318         (gate_handle_if_after_reload): Same.
7319         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
7321 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
7323         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
7324         line sizes.
7325         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
7327 2008-02-26  Jason Merrill  <jason@redhat.com>
7329         PR c++/35315
7330         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
7331         alone if it's the naming decl for the type's main variant.
7333 2008-02-26  Tom Tromey  <tromey@redhat.com>
7335         * system.h (USE_MAPPED_LOCATION): Poison.
7336         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
7337         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
7338         (make_goto_expr_edges): Likewise.
7339         (remove_bb): Likewise.
7340         (execute_warn_function_return): Likewise.
7341         * basic-block.h (struct edge_def) <goto_locus>: Change type to
7342         location_t.
7343         * c-common.c (fname_decl): Remove old location code.
7344         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
7345         location code.
7346         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
7347         variant.
7348         (ASM_INPUT_SOURCE_LOCATION): Likewise.
7349         (gen_rtx_ASM_INPUT): Likewise.
7350         (gen_rtx_ASM_INPUT_loc): Likewise.
7351         (get_rtx_asm_OPERANDS): Remove.
7352         * cfglayout.c (insn_locators_alloc): Remove old location code.
7353         (set_curr_insn_source_location): Likewise.
7354         (curr_insn_locator): Likewise.
7355         * print-tree.c (print_node): Remove old location code.
7356         * tree-mudflap.c (mf_varname_tree): Remove old location code.
7357         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
7358         * cfgexpand.c (expand_gimple_cond_expr): Don't use
7359         location_from_locus.
7360         (construct_exit_block): Remove old location code.
7361         * emit-rtl.c (force_next_line_note): Remove old location code.
7362         * profile.c (branch_prob): Remove old location code.
7363         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
7364         LOC_LINE): Remove old-location variants.
7365         * langhooks.c (lhd_print_error_function): Remove old location
7366         code.
7367         * configure, config.in: Rebuilt.
7368         * configure.ac (--enable-mapped-location): Remove.
7369         * c-decl.c (c_init_decl_processing): Remove old location code.
7370         (finish_function): Likewise.
7371         * recog.c (decode_asm_operands): Remove old location code.
7372         * c-pch.c (c_common_read_pch): Remove old location code.
7373         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
7374         variants.
7375         * gimple-low.c (lower_function_body): Remove old location code.
7376         * toplev.c (unknown_location): Remove.
7377         (push_srcloc): Remove old-location variant.
7378         (process_options): Remove old location code.
7379         (lang_dependent_init): Likewise.
7380         * input.h (UNKNOWN_LOCATION): Move definition.
7381         (location_t): Undeprecate.
7382         (source_locus): Remove.
7383         (location_from_locus): Remove.
7384         (struct location_s): Remove.
7385         Remove all old-location code.
7386         (input_line, input_filename): Remove.
7387         * final.c (final_scan_insn): Remove old location code.
7388         * diagnostic.c (diagnostic_build_prefix): Remove
7389         USE_MAPPED_LOCATION test.
7390         * tree.h (gimple_stmt) <locus>: Now a location_t.
7391         (tree_exp) <locus>: Likewise.
7392         (DECL_IS_BUILTIN): Remove old-location variant.
7393         (annotate_with_file_line, annotate_with_locus): Likewise.
7394         (expr_locus, set_expr_locus): Update.
7395         * tree.c (build1_stat): Remove old location code.
7396         (last_annotated_node): Remove.
7397         (annotate_with_file_line): Remove old-location variant.
7398         (annotate_with_locus): Likewise.
7399         (expr_location): Remove old location code.
7400         (set_expr_location): Likewise.
7401         (expr_has_location): Likewise.
7402         (expr_locus): Likewise.
7403         (set_expr_locus): Likewise.
7404         (expr_filename): Don't use location_from_locus.
7405         (expr_lineno): Likewise.
7406         * rtl-error.c (location_for_asm): Remove old location code.
7407         * c-lex.c (cb_line_change): Remove old location code.
7408         (fe_file_change): Likewise.
7409         (cb_def_pragma): Likewise.
7410         (c_lex_with_flags): Likewise.
7411         * gengtype.c (do_typedef): Don't special-case location types.
7412         (define_location_structures): Remove.
7413         (main): Don't call define_location_structures.
7414         * tree-pretty-print.c (dump_implicit_edges): Remove old location
7415         code.
7417 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7419         PR 26264
7420         * builtins.def (BUILT_IN_STDARG_START): Remove.
7421         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
7422         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
7423         * tree-inline.c (inline_forbidden_p_1): Likewise.
7424         
7425 2008-02-26  Richard Guenther  <rguenther@suse.de>
7427         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7428         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7429         (lookup_decl_from_uid): Declare.
7430         (remove_decl_from_map): Likewise.
7431         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7432         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7433         (decl_for_uid_map): New global hashtable mapping DECL_UID
7434         to the decl tree.
7435         (init_ttree): Allocate it.
7436         (insert_decl_to_uid_decl_map): New helper function.
7437         (make_node_stat): Insert new decls into the map.
7438         (copy_node_stat): Likewise.
7439         (lookup_decl_from_uid): New function.
7440         (remove_decl_from_map): Likewise.
7441         (print_decl_for_uid_map_statistics): New helper.
7442         (dump_tree_statistics): Call it.
7444         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7445         (referenced_var_iterator): Adjust.
7446         (FOR_EACH_REFERENCED_VAR): Adjust.
7447         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7448         (num_referenced_vars): Adjust.
7449         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7450         (first_referenced_var): Remove.
7451         (end_referenced_vars_p): Likewise.
7452         (next_referenced_var): Likewise.
7453         (referenced_var_iterator_set): New helper function.
7454         * tree-dfa.c (referenced_var_lookup): Adjust.
7455         (referenced_var_check_and_insert): Likewise.
7456         (remove_referenced_var): Likewise.
7457         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7458         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7459         (verify_call_clobbering): Likewise.
7460         (verify_memory_partitions): Likewise.
7461         (init_tree_ssa): Allocate bitmap instead of hashtable for
7462         referenced_vars.
7463         (delete_tree_ssa): Adjust.
7464         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7465         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7466         (compute_tag_properties): Likewise.
7467         (set_initial_properties): Likewise.
7468         (find_partition_for): Likewise.
7469         (update_reference_counts): Likewise.
7470         (dump_may_aliases_for): Likewise.
7471         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7472         (add_call_clobber_ops): Likewise.
7473         (add_call_read_ops): Likewise.
7474         (get_asm_expr_operands): Likewise.
7475         * tree-into-ssa.c (dump_decl_set): Likewise.
7476         (update_ssa): Likewise.
7477         * tree-sra.c (scan_function): Likewise.
7478         (decide_instantiations): Likewise.
7479         (scalarize_parms): Likewise.
7480         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7481         (dsa_named_for): Likewise.
7482         * tree-ssa-structalias.c (update_alias_info): Likewise.
7483         (merge_smts_into): Likewise.
7485 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7487         PR 34351
7488         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
7489         * c-opts.c (c_common_handle_option): Wall enables
7490         Wvolatile-register-var.
7491         * common.opt: Move Wvolatile-register-var to...
7492         * c.opt: ...here.
7493         
7494 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7496         * common.opt (Wlarger-than=): New.
7497         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
7498         -Wlarger-than=.
7499         * opts.c (common_handle_option): Handle -Wlarger-than=.
7500         * optc-gen.awk: Likewise.
7501         * opth-gen.awk: Likewise.
7502         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
7503         * tree-optimize.c (tree_rest_of_compilation): Likewise.
7504         
7505 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7507         * c-common.c (match_case_to_enum_1): Add appropriate
7508         OPT_W* parameter to warning.
7509         (c_do_switch_warnings): Likewise.
7510         * c-typeck.c (warning_init): Add one more parameter following
7511         'warning' function.
7512         (push_init_level): Update call to warning_init.
7513         (pop_init_level): Likewise.
7514         (add_pending_init): Likewise.
7515         (output_init_element: Likewise.
7517 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7519         PR 28322
7520         * toplev.c (toplev_main): If there are warnings or error, print
7521         errors for ignored options.
7522         * opts.c (ignored_options): New static variable.
7523         (postpone_unknown_option_error): New.
7524         (print_ignored_options): New.
7525         (handle_option): Postpone errors for unknown -Wno-* options.
7526         * opts.h (print_ignored_options): Declare.
7527         
7528 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
7530         * config/mips/mips.md (loadgp_blockage, blockage): Change type
7531         to "ghost".
7533 2008-02-25  Richard Guenther  <rguenther@suse.de>
7535         Revert:
7536         2008-02-25  Richard Guenther  <rguenther@suse.de>
7538         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7539         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7540         (lookup_decl_from_uid): Declare.
7541         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7542         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7543         (decl_for_uid_map): New global hashtable mapping DECL_UID
7544         to the decl tree.
7545         (init_ttree): Allocate it.
7546         (insert_decl_to_uid_decl_map): New helper function.
7547         (make_node_stat): Insert new decls into the map.
7548         (copy_node_stat): Likewise.
7549         (lookup_decl_from_uid): New function.
7550         (print_decl_for_uid_map_statistics): New helper.
7551         (dump_tree_statistics): Call it.
7553         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7554         (referenced_var_iterator): Adjust.
7555         (FOR_EACH_REFERENCED_VAR): Adjust.
7556         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7557         (num_referenced_vars): Adjust.
7558         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7559         (first_referenced_var): Remove.
7560         (end_referenced_vars_p): Likewise.
7561         (next_referenced_var): Likewise.
7562         (referenced_var_iterator_set): New helper function.
7563         * tree-dfa.c (referenced_var_lookup): Adjust.
7564         (referenced_var_check_and_insert): Likewise.
7565         (remove_referenced_var): Likewise.
7566         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7567         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7568         (verify_call_clobbering): Likewise.
7569         (verify_memory_partitions): Likewise.
7570         (init_tree_ssa): Allocate bitmap instead of hashtable for
7571         referenced_vars.
7572         (delete_tree_ssa): Adjust.
7573         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7574         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7575         (compute_tag_properties): Likewise.
7576         (set_initial_properties): Likewise.
7577         (find_partition_for): Likewise.
7578         (update_reference_counts): Likewise.
7579         (dump_may_aliases_for): Likewise.
7580         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7581         (add_call_clobber_ops): Likewise.
7582         (add_call_read_ops): Likewise.
7583         (get_asm_expr_operands): Likewise.
7584         * tree-into-ssa.c (dump_decl_set): Likewise.
7585         (update_ssa): Likewise.
7586         * tree-sra.c (scan_function): Likewise.
7587         (decide_instantiations): Likewise.
7588         (scalarize_parms): Likewise.
7589         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7590         (dsa_named_for): Likewise.
7591         * tree-ssa-structalias.c (update_alias_info): Likewise.
7592         (merge_smts_into): Likewise.
7594 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
7596         PR fortran/29549
7597         * doc/invoke.texi (-fcx-limited-range): Document new option.
7598         * toplev.c (process_options): Handle -fcx-fortran-rules.
7599         * common.opt: Add documentation for -fcx-fortran-rules.
7601 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
7603         PR c/35162
7604         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
7605         actual behaviour and C99.
7606         
7607 2008-02-26  Ben Elliston  <bje@au.ibm.com>
7609         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
7610         (ASM_CPU_POWER6_SPEC): Likewise.
7611         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
7612         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
7613         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
7615 2008-02-25  Richard Guenther  <rguenther@suse.de>
7617         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7618         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7619         (lookup_decl_from_uid): Declare.
7620         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7621         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7622         (decl_for_uid_map): New global hashtable mapping DECL_UID
7623         to the decl tree.
7624         (init_ttree): Allocate it.
7625         (insert_decl_to_uid_decl_map): New helper function.
7626         (make_node_stat): Insert new decls into the map.
7627         (copy_node_stat): Likewise.
7628         (lookup_decl_from_uid): New function.
7629         (print_decl_for_uid_map_statistics): New helper.
7630         (dump_tree_statistics): Call it.
7632         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7633         (referenced_var_iterator): Adjust.
7634         (FOR_EACH_REFERENCED_VAR): Adjust.
7635         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7636         (num_referenced_vars): Adjust.
7637         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7638         (first_referenced_var): Remove.
7639         (end_referenced_vars_p): Likewise.
7640         (next_referenced_var): Likewise.
7641         (referenced_var_iterator_set): New helper function.
7642         * tree-dfa.c (referenced_var_lookup): Adjust.
7643         (referenced_var_check_and_insert): Likewise.
7644         (remove_referenced_var): Likewise.
7645         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7646         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7647         (verify_call_clobbering): Likewise.
7648         (verify_memory_partitions): Likewise.
7649         (init_tree_ssa): Allocate bitmap instead of hashtable for
7650         referenced_vars.
7651         (delete_tree_ssa): Adjust.
7652         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7653         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7654         (compute_tag_properties): Likewise.
7655         (set_initial_properties): Likewise.
7656         (find_partition_for): Likewise.
7657         (update_reference_counts): Likewise.
7658         (dump_may_aliases_for): Likewise.
7659         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7660         (add_call_clobber_ops): Likewise.
7661         (add_call_read_ops): Likewise.
7662         (get_asm_expr_operands): Likewise.
7663         * tree-into-ssa.c (dump_decl_set): Likewise.
7664         (update_ssa): Likewise.
7665         * tree-sra.c (scan_function): Likewise.
7666         (decide_instantiations): Likewise.
7667         (scalarize_parms): Likewise.
7668         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7669         (dsa_named_for): Likewise.
7670         * tree-ssa-structalias.c (update_alias_info): Likewise.
7671         (merge_smts_into): Likewise.
7673 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
7675         PR target/35258
7676         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
7677         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
7678         * alias.h (nonoverlapping_memrefs_p): Likewise.
7680 2008-02-25  Jan Beulich  <jbeulich@novell.com>
7682         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
7683         * config/i386/netware-libgcc.exp: Add __bswap?i2,
7684         __emultls_get_address, __emultls_register_common,
7685         __floatundi?f, and _Unwind_GetIPInfo.
7686         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
7687         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
7688         (gen_regparm_prefix): Likewise.
7689         (i386_nlm_encode_section_info): Sync with
7690         config/i386/winnt.c:i386_pe_encode_section_info().
7691         (i386_nlm_maybe_mangle_decl_assembler_name): New.
7692         i386_nlm_mangle_decl_assembler_name): New.
7693         (netware_override_options): New.
7694         * config/i386/netware.h (netware_override_options): Declare.
7695         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
7696         (i386_nlm_mangle_decl_assembler_name): Declare.
7697         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
7699 2008-02-25  Ben Elliston  <bje@au.ibm.com>
7701         PR other/32948
7702         * c-decl.c (grokdeclarator): Remove unused local variables
7703         `typedef_type' and `type_as_written'.
7704         * bb-reorder.c
7705         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
7706         unused local variable `has_hot_blocks'.
7707         (fix_crossing_conditional_branches): Remove unused local variable
7708         `prev_bb'.
7709         
7710 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
7712         PR middle-end/19984
7713         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
7714         using DEF_C99_BUILTIN.
7715         (BUILT_IN_NANF): Ditto.
7716         (BUILT_IN_NANL): Ditto.
7718 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
7719             Revital Eres  <eres@il.ibm.com>
7721         * modulo-sched.c (calculate_must_precede_follow): Address TODO
7722         regarding the order of two dependent insns in the same row.
7724 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
7726         * stor-layout.c (layout_decl): Do not bump the alignment of a
7727         bit-field to more than byte alignment if it is packed.
7729 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
7731         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
7732         e300c2 and e300c3.
7734 2008-02-24  Diego Novillo  <dnovillo@google.com>
7736         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
7738         PR 33738
7739         * tree-vrp.c (vrp_evaluate_conditional): With
7740         -Wtype-limits, emit a warning when comparing against a
7741         constant outside the natural range of OP0's type.
7742         * c.opt (Wtype-limits): Move ...
7743         * common.opt (Wtype-limits): ... here.
7745 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
7747         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
7748         * config/rs6000/e300c2c3.md: New file.
7749         * config/rs6000/rs6000.c (processor_costs): Add new costs for
7750         e300c2 and e300c3.
7751         (rs6000_override_options): Add e300c2 and e300c3 cases to
7752         processor_target_table. Do not allow usage of Altivec or Spe
7753         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
7754         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
7755         * config/rs6000/rs6000.h (processor_type): Add
7756         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
7757         (ASM_CPU_SPEC): Add e300c2 and e300c3.
7758         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
7759         and ppce300c3. Include e300c2c3.md.
7761 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
7763         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
7764         instead of TARGET_STRICT_ALIGN.
7766 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
7768         * explow.c (memory_address): Assert that the generated address is
7769         valid.
7771 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
7773         PR target/25477
7774         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
7775         * config/darwin-ppc-ldouble-patch.def: New file.
7776         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
7777         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
7778         SUBTARGET_INIT_BUILTINS if defined.
7779         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
7780         New functions.
7782 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7784         PR rtl-opt/33512
7785         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
7786         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
7788 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7790         PR pch/35027
7791         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
7792         file" warning condtional on -Winvalid-PCH.
7794 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
7796         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
7798 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
7800         PR target/22076
7801         PR target/34256 
7802         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
7803         prevent reload from using MMX registers.
7804         (*mov<mode>_internal): Ditto.
7805         (*movv2sf_internal_rex64): Ditto.
7806         (*movv2sf_internal): Ditto.
7808 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7810         PR documentation/31569
7811         * doc/install.texi2html: Use makeinfo --no-number-sections.
7813 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
7815         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
7816         ensure that we can address an entire entity > 8 bytes.  Don't
7817         generate reg+reg addressing for such data.
7819 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
7821         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
7822         strings when optimizing for size, unless the target cares about
7823         alignment.
7825 2008-02-22  Tom Tromey  <tromey@redhat.com>
7827         * regclass.c (current_pass): Remove declaration.
7829 2008-02-22  Anatoly Sokolov <aesok@post.ru>
7831         * config/avr/libgcc.S (__RAMPZ__): Define.
7832         (__do_copy_data): Add for devices with 128KB code memory.
7834 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
7836         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
7837         Use spe_abi.
7838         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
7840 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
7842         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
7843         GENNONACR_REGS.
7845 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7847         PR c/19999
7848         * c-typeck.c (build_binary_op): Warn about floating point
7849         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
7851 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
7853         PR target/34526
7854         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
7855         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
7856         add vrsave.
7857         (rs6000_override_options): Set altivec_abi as default, not override,
7858         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
7859         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
7860         is used; use new member spe_abi.
7861         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
7862         spe_abi and altivec_abi.
7864 2008-02-22  Tomas Bily  <tbily@suse.cz>
7866         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
7868 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7870         PR bootstrap/35273
7871         * config.build (build_file_translate): Set to `CMD //c' only if
7872         it works.
7873         * Makefile.in (build_file_translate): Improve comment.
7875 2008-02-21  Jan Hubicka  <jh@suse.cz>
7877         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
7878         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
7879         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
7881 2008-02-21  Michael Matz  <matz@suse.de>
7883         PR target/35264
7884         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
7886 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
7888         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
7889         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
7890         as insn constraint.
7891         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
7892         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
7893         SSE_VEC_FLOAT_MODE_P as insn constraint.
7894         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
7895         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
7896         sse4a_movntdf using MODEF mode iterator.
7897         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
7898         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
7899         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
7900         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
7901         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
7902         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
7903         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
7905 2008-02-21  Richard Guenther  <rguenther@suse.de>
7907         * tree.def (PAREN_EXPR): New tree code.
7908         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
7909         and PAREN_EXPR.
7910         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
7911         * expr.c (expand_expr_real_1): Likewise.
7912         * tree-inline.c (estimate_num_insns_1): Likewise.
7913         * tree-complex.c (expand_complex_move): Likewise.
7914         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
7915         as plain x.
7917 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7919         PR target/35225
7920         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
7922 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7924         PR target/35190
7925         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
7927         * config/sh/sh.c (find_barrier): Don't go past
7928         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
7930 2008-02-20  DJ Delorie  <dj@redhat.com>
7932         * config/h8300/h8300.md (insv): Force source operand to be a register.
7934         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
7935         as a jump, not as a plain insn.
7936         
7937 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
7939         * doc/invoke.texi (Warning Options): Add new option
7940         -Wframe-larger-than=.
7941         (-Wframe-larger-than): Document.
7943         * flags.h (warn_frame_larger_than, frame_larger_than_size):
7944         Add declarations for new option variables.
7946         * final.c (final_start_function): Check the frame size
7947         before emission and issue a Wframe-larger-than warning.
7949         * opts.c (warn_frame_larger_than, frame_larger_than_size):
7950         Add definitions for new option variables.
7951         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
7953         * common.opt (Wframe-larger-than=): New option.
7955 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
7957         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
7958         (<sse>_div<mode>3): Ditto.
7959         (<sse>_vmdiv<mode>3): Ditto.
7960         (<sse>_vmsqrt<mode>2): Ditto.
7961         (*smax<mode>3): Ditto.
7962         (sse5_frcz<mode>2): Ditto.
7963         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
7964         as insn constraint.
7966 2008-02-20  Richard Guenther  <rguenther@suse.de>
7968         PR middle-end/35265
7969         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
7970         be happy with INTEGRAL_TYPE_P.
7972 2008-02-20  Richard Guenther  <rguenther@suse.de>
7974         * fold-const.c (split_tree): Associate floatig-point expressions
7975         if flag_associative_math is set.
7977 2008-02-20  Richard Guenther  <rguenther@suse.de>
7979         * tree.h (fold_real_zero_addition_p): Declare.
7980         * fold-const.c (fold_real_zero_addition_p): Export.
7981         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
7982         floating-point operations with zero and one.
7984 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
7986         * doc/install.texi: Correct references to CFLAGS, replacing them
7987         with BOOT_CFLAGS.  Document flags used during bootstrap for
7988         target libraries.
7989                                 
7990 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
7992         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
7993         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
7994         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
7995         insn constraint.
7996         (smin<mode>3): Ditto from similar patterns.
7997         (smax<mode>3): Ditto.
7998         (*ieee_smin<mode>3): Ditto.
7999         (*ieee_smax<mode>3): Ditto.
8000         * config/i386/sse.md (sse): New mode attribute.
8001         (mov<mode>): Macroize expander from movv4sf and movv2df using
8002         SSEMODEF2P mode iterator.
8003         (<sse>_movnt<mode>): Ditto from similar patterns. Use
8004         SSE_VEC_FLOAT_MODE_P as insn constraint.
8005         (storent<mode>): Ditto.
8006         (storent<mode>): Macroize expander from storentsf and storentdf using
8007         MODEF mode iterator.
8008         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
8009         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
8010         (abs<mode>2): Ditto from similar patterns.
8011         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
8012         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
8013         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
8014         (<sse>_vmsqrt<mode>2): Ditto.
8015         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
8016         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
8017         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
8018         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
8019         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
8020         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
8021         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
8022         insn constraint.
8023         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
8024         iterator and SSE_FLOAT_MODE_P as insn constraint.
8025         (<sse>_ucomi): Ditto from similar patterns.
8026         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
8027         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
8028         SSE_VEC_FLOAT_MODE_P as insn constraint.
8029         (vcond<mode>): Ditto from similar patterns.
8030         (and<mode>3, *and<mode>3): Ditto.
8031         (<sse>_nand<mode>3): Ditto.
8032         (ior<mode>3, *ior<mode>3): Ditto.
8033         (xor<mode>3, *xor<mode>3): Ditto.
8034         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
8035         iterator and SSE_FLOAT_MODE_P as insn constraint.
8036         (*nand<mode>3): Ditto from similar patterns.
8037         (*ior<mode>3): Ditto.
8038         (*xor<mode>3): Ditto.
8040 2008-02-20  Ira Rosen  <irar@il.ibm.com>
8042         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
8043         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
8044         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
8046 2008-02-19  Jan Hubicka  <jh@suse.cz>
8048         * predict.c (tree_bb_level_predictions): Remove variable next
8049         mistakely introduced by previous commit.
8051 2008-02-19  Jan Hubicka  <jh@suse.cz>
8053         * predict.c (predict_paths_leading_to): Rewrite.
8054         (predict_paths_for_bb): New.
8055         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
8057 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8059         PR bootstrap/35218
8060         * Makefile.in (build_file_translate): New.
8061         (gcc-vers.texi): Use it for translating $(abs_srcdir).
8062         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
8063         * configure.ac (build_file_translate): Substitute it.
8064         * configure: Regenerate.
8066 2008-02-19  Jan Hubicka  <jh@suse.cz>
8068         PR rtl-optimization/34408
8069         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
8070         invalid sharing.
8072 2008-02-19  Jan Hubicka  <jh@suse.cz>
8074         PR middle-end/28779
8075         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
8076         call_expr.
8078 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
8080         PR Ada/35186
8081         * config/i386/i386-modes.def: Revert the last DI alignment
8082         change until Ada people can look into it.
8084 2008-02-19  Nick Clifton  <nickc@redhat.com>
8086         * opts.c (print_specific_help): Fix typo in --help text.
8088 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
8090         PR target/35239
8091         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
8092         32-bit inline asm without asm alternatives for host GCC < 3.0.
8094 2008-02-19  Richard Guenther  <rguenther@suse.de>
8096         PR tree-optimization/34989
8097         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
8098         Allow propagation to INDIRECT_REF if we can simplify only.
8100 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8102         * c-common.c (warn_for_collisions_1): Use appropriate option when
8103         warning.
8105 2008-02-19  Nick Clifton  <nickc@redhat.com>
8107         PR other/31349
8108         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
8109         (handle_options): Fix indentation.
8110         (print_filtered_help): If no language-specific options were
8111         displayed tell the user how to list all the options supported by
8112         the language's front-end.
8113         (print_specific_help): Fix indentation and remove duplicate line.
8114         (common_handle_option): Handle the -v option.
8115         For --help enable the display of undocumented options if the -v
8116         switch has been included on the command line.
8117         For --help= check for overlaps in the arguments between the option
8118         classes and the language names and issue a warning when they
8119         cannot be disambiguated.
8120         * c.opt (v): Pass on to the common option handler.
8122 2008-02-19  Revital Eres  <eres@il.ibm.com> 
8124         * modulo-sched.c (sms_schedule): Change dump message when
8125         create_ddg function fails.
8126         (try_scheduling_node_in_cycle): Rename row to cycle.
8127         (print_partial_schedule): Rename CYCLE to ROW.
8129 2008-02-19  Christian Bruel  <christian.bruel@st.com>
8130             Zdenek Dvorak  <ook@ucw.cz>
8132         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
8134 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
8136         PR target/33555
8137         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
8138         (*x86_movdicc_0_m1_se): Ditto.
8140 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
8142         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
8143         (CMPtype): Define as __gcc_CMPtype.
8144         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
8145         (CMPtype): Define as __gcc_CMPtype.
8147 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
8149         Support valgrind 3.3 for --enable-checking=valgrind.
8150         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
8151         here.
8152         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
8153         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
8154         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
8155         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
8156         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
8157         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
8158         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
8159         respectively.
8160         * ggc-zone.c: Similar.
8161         * ggc-page.c: Similar.
8163 2008-02-19  Paul Brook  <paul@codesourcery.com>
8165         PR target/35071
8166         * config/arm/ieee754-df.S: Fix do_it typo.
8167         * config/arm/ieee754-sf.S: Fix do_it typo.
8169 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
8171         PR target/35189
8172         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
8173         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
8174         (OPTION_MASK_ISA_SSE_SET): Likewise.
8175         (OPTION_MASK_ISA_SSE2_SET): Likewise.
8176         (OPTION_MASK_ISA_SSE3_SET): Likewise.
8177         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
8178         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
8179         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
8180         (OPTION_MASK_ISA_SSE4_SET): Likewise.
8181         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
8182         (OPTION_MASK_ISA_SSE5_SET): Likewise.
8183         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
8184         (OPTION_MASK_ISA_MMX_UNSET): Updated.
8185         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
8186         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
8187         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
8188         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
8189         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
8190         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
8191         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
8192         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
8193         (OPTION_MASK_ISA_SSE4): Removed.
8194         (ix86_handle_option): Turn on bits in ix86_isa_flags and
8195         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
8196         (override_options): Don't turn on implied SSE/MMX bits in
8197         ix86_isa_flags.
8199 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
8201         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
8202         32bit host.
8204 2008-02-18  Joey Ye  <joey.ye@intel.com>
8206         PR middle-end/34921
8207         * tree-nested.c (insert_field_into_struct): Set type alignment
8208         to field alignment if the former is less than the latter.
8210 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
8212         * BASE-VER: Set to 4.4.0.
8214 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8216         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
8217         * doc/cfg.texi: Likewise.
8218         * doc/extend.texi: Likewise.
8219         * doc/gty.texi: Likewise.
8220         * doc/invoke.texi: Likewise.
8221         * doc/loop.texi: Likewise.
8222         * doc/md.texi: Likewise.
8223         * doc/passes.texi: Likewise.
8224         * doc/rtl.texi: Likewise.
8225         * doc/sourcebuild.texi: Likewise.
8226         * doc/tm.texi: Likewise.
8227         * doc/tree-ssa.texi: Likewise.
8229 2008-02-17  Richard Guenther  <rguenther@suse.de>
8231         PR middle-end/35227
8232         * tree-complex.c (init_parameter_lattice_values): Handle parameters
8233         without default definition.
8235 2008-02-17  Richard Guenther  <rguenther@suse.de>
8237         PR tree-optimization/35231
8238         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
8239         if A | B != 1.
8241 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
8243         Revert:
8244         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
8245         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
8246         libgcc_cmp_return mode.
8248 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8250         PR c/28368
8251         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
8253 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
8255         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
8256         multilibs.
8258 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8260         * doc/c-tree.texi: Use `@.' where appropriate.
8261         * doc/extend.texi: Likewise.
8262         * doc/install.texi: Likewise.
8263         * doc/invoke.texi: Likewise.
8264         * doc/loop.texi: Likewise.
8265         * doc/makefile.texi: Likewise.
8266         * doc/md.texi: Likewise.
8267         * doc/passes.texi: Likewise.
8268         * doc/standards.texi: Likewise.
8269         * doc/tm.texi: Likewise.
8271 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
8273         PR middle-end/35196
8274         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
8275         in entry_bb.
8276         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
8277         rather than in entry_bb.
8279 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
8281         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
8282         libgcc_cmp_return mode.
8284 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
8286         PR middle-end/35130
8287         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
8288         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
8290 2008-02-15  Richard Guenther  <rguenther@suse.de>
8291             Zdenek Dvorak  <ook@ucw.cz>
8293         PR tree-optimization/35164
8294         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
8295         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
8296         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
8297         Only propagate addresses which do not have abnormal SSA_NAMEs
8298         in their operands.
8300 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
8302         PR target/35088
8303         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
8305 2008-02-15  Jan Hubicka  <jh@suse.cz>
8307         PR middle-end/35149
8308         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
8310 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
8312         PR middle-end/34621
8313         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
8314         when calculating alignment_pad.
8316 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
8318         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
8319         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
8320         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
8321         and STACK_BOUNDARY define.
8323 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
8325         PR preprocessor/35061
8326         * c-pragma.c (handle_pragma_pop_macro): Check that
8327         pushed_macro_table has been allocated.
8329 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
8331         PR middle-end/35136
8332         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
8333         (force_gimple_operand): Likewise.
8334         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
8335         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
8336         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
8337         (find_interesting_uses_address): Check addressability and alignment
8338         of the base expression only after substituting bases of IVs into it.
8340 2008-02-14  Michael Matz  <matz@suse.de>
8342         PR target/34930
8343         * function.c (instantiate_virtual_regs_in_insn): Reload address
8344         before falling back to reloading the whole operand.
8346 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
8348         * config/s390/s390.c (s390_mainpool_start): Emit the pool
8349         before the first section switch note.
8351 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8353         * doc/bugreport.texi: Update copyright years.
8354         * doc/c-tree.texi: Likewise.
8355         * doc/cfg.texi: Likewise.
8356         * doc/cpp.texi: Likewise.
8357         * doc/cppinternals.texi: Likewise.
8358         * doc/fragments.texi: Likewise.
8359         * doc/frontends.texi: Likewise.
8360         * doc/gcc.texi: Likewise.
8361         * doc/gty.texi: Likewise.
8362         * doc/hostconfig.texi: Likewise.
8363         * doc/implement-c.texi: Likewise.
8364         * doc/libgcc.texi: Likewise.
8365         * doc/loop.texi: Likewise.
8366         * doc/makefile.texi: Likewise.
8367         * doc/options.texi: Likewise.
8368         * doc/passes.texi: Likewise.
8369         * doc/rtl.texi: Likewise.
8370         * doc/sourcebuild.texi: Likewise.
8371         * doc/standards.texi: Likewise.
8372         * doc/tree-ssa.texi: Likewise.
8373         * doc/trouble.texi: Likewise.
8375         * doc/extend.texi: Use @: or add comma where appropriate.
8376         * doc/invoke.texi: Likewise.
8377         * doc/tm.texi: Likewise.
8379 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
8381         PR target/34393
8382         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
8383         to a reg.
8385 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
8387         * doc/md.texi (clz, ctz): Add reference.
8388         * doc/rtl.texi (clz, ctz): Likewise.
8390 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8392         PR other/35148
8393         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
8394         srcdir.
8396 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
8398         * config/s390/s390.c (struct constant_pool): New field
8399         emit_pool_after added.
8400         (s390_mainpool_start): Set the emit_pool_after flag according
8401         to the section switch notes.
8402         (s390_mainpool_finish): Consider emit_pool_after when emitting
8403         the literal pool at the end of the function.
8404         (s390_chunkify_start): Force literal pool splits at section
8405         switch notes.
8407 2008-02-13  Michael Matz  <matz@suse.de>
8409         PR debug/35065
8410         * var-tracking.c (clobber_variable_part): Correctly traverse the
8411         list.
8413 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8415         PR 29673
8416         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
8417         Add -fdump-ipa-inline.
8418         * tree-dump.c (dump_files): Remove tree-inlined dump.
8419         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
8420         
8421 2008-02-12  Richard Guenther  <rguenther@suse.de>
8423         PR tree-optimization/35171
8424         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
8425         default defs.
8427 2008-02-12  Richard Guenther  <rguenther@suse.de>
8429         PR middle-end/35163
8430         * fold-const.c (fold_widened_comparison): Use get_unwidened in
8431         value-preserving mode.  Disallow final truncation.
8433 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8435         PR middle-end/35136
8436         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
8437         code from here to...
8438         (force_gimple_operand): ...here.
8440 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
8442         PR c++/35144
8443         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
8444         non-compatible pointers.
8445         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
8446         different FIELD_DECLs, try harder by comparing field offsets, sizes
8447         and types.
8449         PR inline-asm/35160
8450         * function.c (match_asm_constraints_1): Don't replace the same input
8451         multiple times.
8453 2008-02-12  Anatoly Sokolov <aesok@post.ru>
8455         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
8456         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
8457         (expand_epilogue): Restore RAMPZ register.
8458         * config/avr/avr.md (RAMPZ_ADDR): New constant.
8460 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
8462         * config/i386/cygwin.asm: (__alloca): Correct calling
8463         convention and alignment.
8464         (__chkstk): Force 8 byte stack alignment.
8466 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
8467             Richard Guenther  <rguenther@suse.de>
8469         PR tree-optimization/33992
8470         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
8471         the zero we compare against.
8473 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
8475         PR libfortran/35063
8476         * gthr-win32.h (__gthread_mutex_destroy_function): New function
8477         to CloseHandle after unlocking to prevent accumulation of handle
8478         count.
8480 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8482         PR middle_end/34150
8483         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
8484         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
8485         and update LABEL_NUSES during and after reload.
8487 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
8489         PR middle-end/34627
8490         * combine.c (simplify_if_then_else): Make sure the comparison is
8491         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
8493 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
8495         PR bootstrap/35051
8496         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
8497         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
8498         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
8499         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
8500         * tree.h (get_type_static_bounds): Likewise.
8502 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8504         * doc/invoke.texi (Option Summary, C++ Dialect Options)
8505         (Objective-C and Objective-C++ Dialect Options, Warning Options):
8506         Make -Wfoo language annotations match what the compiler outputs.
8508 2008-02-08  Sa Liu  <saliu@de.ibm.com>
8510         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
8511         intrinsics spu_convts, spu_convtu, spu_convtf.
8513 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
8515         * doc/extend.texi (Function Attributes) <noinline>: Mention
8516         asm ("") as method to keep calls.
8518 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8520         PR other/32754
8521         * doc/options.texi (Options): Replace references to opts.sh with
8522         optc-gen.awk.
8523         * opts-common.c: Likewise.
8524         * optc-gen.awk: Likewise.
8525         
8526 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
8528         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
8530 2008-02-07  Richard Henderson  <rth@redhat.com>
8532         PR rtl-opt/33410
8533         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
8534         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
8535         funny mode.
8537 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
8539         PR tree-optimization/35085
8540         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
8541         for operand entry oe2 in addition to operand entry oe3 in order to
8542         expose more opportunities for vectorizer sum reduction.
8544 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8546         PR other/35107
8547         * Makefile.in (LIBS): Remove $(GMPLIBS).
8548         (cc1-dummy, cc1): Add $(GMPLIBS).
8550 2008-02-06  Jan Hubicka  <jh@suse.cz>
8552         PR target/23322
8553         * i386.md (moddf_integer): Do not produce partial memory stalls for
8554         targets where it hurts.
8556 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
8558         PR target/35083
8559         * optabs.c (expand_float): Do not check for decimal modes when
8560         expanding unsigned integer through signed conversion.
8562 2008-02-06  Nick Clifton  <nickc@redhat.com>
8564         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
8565         inside the clobber with a match_operand and duplicated operand
8566         number in the constraint.
8567         (ineqbranchsi): Delete redundant comment.
8569 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
8571         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
8572         builtin_define ("__USE_INIT_FINI__").
8573         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
8574         -msx multilibs.
8575         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
8577 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8579         PR documentation/30330
8580         * doc/invoke.texi (C++ Dialect Options)
8581         (Objective-C and Objective-C++ Dialect Options, Warning Options):
8582         For each warning option -Wfoo that allows -Wno-foo, ensure both
8583         -Wfoo and -Wno-foo are listed in the option index.  Fix index
8584         entry of -Wswitch-default, index -Wnormalized= including the
8585         `=', and -Wlarger-than-@var{len} including @var{len}.
8587 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
8589         * config/i386/i386.md (floatunssisf2): Use
8590         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
8591         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
8592         Macroize expander using MODEF mode iterator.
8594 2008-02-05  Diego Novillo  <dnovillo@google.com>
8596         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
8598         PR 33738
8599         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
8601 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8603         PR other/35070
8604         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
8606 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
8608         PR target/35084
8609         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
8610         to indicate if a message should be generated.
8611         (init_cumulative_args): Updated.
8612         (function_value_32): Likewise.
8614 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
8616         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
8618 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
8620         PR target/35083
8621         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
8622         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
8624 2008-02-04  Diego Novillo  <dnovillo@google.com>
8626         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
8628         PR 33738
8629         * tree-vrp.c (vrp_evaluate_conditional): With
8630         -Wtype-limits, emit a warning when comparing against a
8631         constant outside the natural range of OP0's type.
8633 2008-02-04  Richard Guenther  <rguenther@suse.de>
8635         PR middle-end/33631
8636         * expr.c (count_type_elements): Give for unions instead of
8637         guessing.
8639 2008-02-04  Richard Guenther  <rguenther@suse.de>
8641         PR middle-end/35043
8642         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
8643         to TYPE_DOMAINs base type instead of using bitsizetype here.
8645 2008-02-03  Jason Merrill  <jason@redhat.com>
8647         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
8649 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8651         PR other/29972
8652         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
8653         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
8654         (RS/6000 and PowerPC Options): Fix typos and markup.
8655         * doc/passes.texi (Tree-SSA passes): Likewise.
8657 2008-02-02  Michael Matz  <matz@suse.de>
8659         PR target/35045
8660         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
8661         from record_last_reg_set_info.
8662         (record_last_reg_set_info): Take an RTX argument, iterate over all
8663         constituent hardregs.
8664         (record_last_set_info, record_opr_changes): Change calls to
8665         new signature or to record_last_reg_set_info_regno.
8667 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
8669         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
8671 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
8673         PR rtl-optimization/34773
8674         * reg-notes.def (EQUAL): Mention significance of combination of
8675         REG_EQUAL and REG_RETVAL.
8676         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
8677         insn that has a REG_RETVAL.
8679 2008-02-01  Roger Sayle  <roger@eyesopen.com>
8681         PR bootstrap/33781
8682         * configure.ac (--enable-fixed-point): Disable unless explicitly
8683         requested on IRIX.
8684         * configure: Regenerate.
8686 2008-02-01  Richard Guenther  <rguenther@suse.de>
8688         PR other/35042
8689         * invoke.texi (-finline-limit): Remove no longer true parts
8690         of the documentation.  Note that there is no default value.
8692 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
8693             Mark Mitchell  <mark@codesourcery.com>
8694             Ben Elliston  <bje@au.ibm.com>
8696         PR c/29326
8697         * doc/extend.texi (Other Builtins): Document.
8699 2008-01-31  Tom Browder <tom.browder@gmail.com>
8701         * doc/c-tree.texi (Types): Fix grammar.
8702         (Expression trees): Ditto.
8703         * doc/passes.texi (Tree-SSA passes): Ditto.
8704         
8705         * doc/configterms.texi (Configure Terms): Fix typo.
8706         * doc/cpp.texi (Common Predefined Macros): Ditto.
8707         * doc/md.texi (Machine Constraints): Ditto.
8708         
8709         * doc/makefile.texi (Makefile): Add comma.
8711 2008-01-31  Tom Browder  <tom.browder@gmail.com>
8712             Gerald Pfeifer  <gerald@pfeifer.com>
8713         
8714         * doc/sourcebuild.texi (Front End): Remove references to CVS
8715         and CVSROOT/modules.
8716         (Texinfo Manuals): Replace reference to CVS by one to SVN.
8717         (Back End): Remove reference to CVS.
8719 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
8721         PR target/34900
8722         * config/mips/mips.c (gen_load_const_gp): New function, taking a
8723         comment from...
8724         (mips16_gp_pseudo_reg): ...here.
8725         * config/mips/mips.md (load_const_gp): Replace with...
8726         (load_const_gp_<mode>): ...this :P-based insn.
8728 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8730         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
8731         options. Minor fixes.
8732         (-std): Move reference to standards closer to where language
8733         standards are first mentioned.
8734         
8735 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
8737         PR rtl-optimization/34995
8738         * reload.c (alternative_allows_const_pool_ref): Take an rtx
8739         parameter and return a bool.  If the rtx parameter is nonnull,
8740         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
8741         (find_reloads): Update call accordingly.  Pass the new operand
8742         if it needed no address reloads, otherwise pass null.
8744 2008-01-30  Richard Henderson  <rth@redhat.com>
8746         PR c/34993
8747         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
8748         for unbounded arrays.
8750 2008-01-30  Silvius Rus  <rus@google.com>
8752         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
8754 2008-01-30  Jan Hubicka  <jh@suse.cz>
8756         PR target/34982
8757         * i386.c (init_cumulative_args): Use real function declaration when
8758         calling locally.
8760 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
8762         PR rtl-optimization/34998
8763         * global.c (build_insn_chain): Treat non-subreg_lowpart
8764         SUBREGs of pseudos as clobbering all the words covered by the
8765         SUBREG, not just all the bytes.
8766         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
8767         original df_ref rather than an extract parameter.
8768         (global_conflicts): Update call accordingly.
8770 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
8772         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
8773         the overflow check to make it easier to read.
8774         (__fixtfdi): Change the type of the ll member in union
8775         long_double to UDItype_x.
8777 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
8779         PR middle-end/34969
8780         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
8781         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
8782         * tree-inline.c (fold_marked_statements): Call
8783         cgraph_update_edges_for_call_stmt if folding a call statement.
8784         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
8785         debug_generic_stmt calls, reset it back afterwards.
8787         PR c/35017
8788         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
8789         static decls.
8790         * c-typeck.c (build_external_ref): Don't pedwarn about
8791         static vars in current function's scope.
8793 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
8795         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
8797 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
8799         PR c/35002
8800         * ipa-struct-reorg.c: Fix spelling.
8801         * params.def: Ditto.
8803 2008-01-29  Richard Guenther  <rguenther@suse.de>
8805         PR middle-end/35006
8806         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
8807         field.
8808         * tree-inline.c (remap_type): Increment remapping_type_depth
8809         around remapping types.
8810         (copy_body_r): Only add referenced variables if they are referenced
8811         from code, not types.
8813 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
8815         PR c++/34055
8816         PR c++/34103
8817         PR c++/34219
8818         PR c++/34606
8819         PR c++/34753
8820         PR c++/34754
8821         PR c++/34755
8822         PR c++/34919
8823         PR c++/34961
8824         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
8825         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
8827 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
8829         PR target/34412
8830         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
8831         pointer for tiny stack.
8833 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
8835         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
8837 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
8839         * config/vx-common.h: Fix typo in comment.
8841 2008-01-28  Ian Lance Taylor  <iant@google.com>
8843         PR c++/34862
8844         PR c++/33407
8845         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
8846         coalesce pointers if they have different DECL_NO_TBAA_P values.
8847         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
8848         between variables with different DECL_NO_TBAA_P values.
8850 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
8852         PR 31535
8853         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
8854         are not legitimate small data references on SPE targets.
8856 2008-01-28  David Daney  <ddaney@avtrex.com>
8858         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
8860 2008-01-28  David Daney  <ddaney@avtrex.com>
8862         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
8864 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
8866         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
8867         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
8868         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
8869         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
8870         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
8871         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
8872         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
8873         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
8875 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
8877         * basic-block.h (condjump_equiv_p): Fix comment.
8879 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
8881         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
8882         print_generic_stmt_indented): Fix comment.
8884 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
8886         * configure.ac (__stack_chk_fail): Add detecion for availability
8887         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
8888         * configure: Regenerate.
8890 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
8892         PR middle-end/34688
8893         * final.c (output_addr_const): Handle TRUNCATE.
8895 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
8897         PR target/34711
8898         * tree-ssa-loop-ivopts.c (comp_cost): New type.
8899         (zero_cost, infinite_cost): New constants.
8900         (struct cost_pair): Change type of cost to comp_cost.
8901         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
8902         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
8903         New functions.
8904         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
8905         split_address_cost, ptr_difference_cost, difference_cost,
8906         get_computation_cost_at, get_computation_cost,
8907         determine_use_iv_cost_generic, determine_use_iv_cost_address,
8908         determine_use_iv_cost_condition, determine_use_iv_costs,
8909         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
8910         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
8911         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
8912         Change type of cost to comp_cost.
8913         (determine_iv_cost): Increase cost of non-original ivs, instead
8914         of decreasing the cost of original ones.
8915         (get_address_cost): Indicate the complexity of the addressing mode 
8916         in comp_cost.
8917         (try_add_cand_for): Prefer using ivs not specific to some object.
8918         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
8920 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
8921             Janis Johnson  <janis187@us.ibm.com>
8923         PR target/34814
8924         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
8925         (TARGET_INSTANTIATE_DECLS): Likewise.
8926         * target.h (expand_to_rtl_hook): New target hook.
8927         (instantiate_decls): Likewise.
8928         * function.c (instantiate_decl): Make non-static.  Rename to...
8929         (instantiate_decl_rtl): ... this.
8930         (instantiate_expr): Use instantiate_decl_rtl.
8931         (instantiate_decls_1): Likewise.
8932         (instantiate_decls): Likewise.
8933         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
8934         * function.h (instantiate_decl_rtl): Add prototype.
8935         * cfgexpand.c (target.h): New include.
8936         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
8937         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
8938         (TARGET_INSTANTIATE_DECLS): Likewise.
8939         (TARGET_INITIALIZER): New target hooks added.
8940         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
8941         New prototype.
8942         * config/rs6000/rs6000.c (tree-flow.h): New include.
8943         (machine_function): Add sdmode_stack_slot field.
8944         (rs6000_alloc_sdmode_stack_slot): New function.
8945         (rs6000_instantiate_decls): Likewise.
8946         (rs6000_secondary_memory_needed_rtx): Likewise.
8947         (rs6000_check_sdmode): Likewise.
8948         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
8949         (TARGET_INSTANTIATE_DECLS): Likewise.
8950         (rs6000_hard_regno_mode_ok): Allow SDmode.
8951         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
8952         (rs6000_emit_move): Handle SDmode.
8953         (function_arg_advance): Likewise.
8954         (function_arg): Likewise.
8955         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
8956         SDmode var args for 32-bit compiles.
8957         (rs6000_secondary_reload_class): Handle SDmode.
8958         (rs6000_output_function_epilogue): Likewise.
8959         (rs6000_function_value): Simplify if statement.
8960         (rs6000_libcall_value): Likewise.
8961         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
8962         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
8963         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
8964         (movsd_hardfloat): New define_insn.
8965         (movsd_softfloat): Likewise.
8966         (movsd_store): Likewise.
8967         (movsd_load): Likewise.
8968         (extendsddd2): Likewise.
8969         (extendsdtd2): Likewise.
8970         (truncddsd2): Likewise.
8971         (movdd_hardfloat64): Fixup comment.
8972         (UNSPEC_MOVSD_LOAD): New constant.
8973         (UNSPEC_MOVSD_STORE): Likewise.
8975 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
8977         PR c++/34965
8978         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
8979         TRUTH_XOR_EXPR.
8980         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
8981         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
8982         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
8983         and TRUTH_XOR_EXPR.
8985 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
8987         PR target/34794
8988         * config.gcc: Separate AIX 5.3 from AIX 6.1.
8989         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
8990         __LONGDOUBLE128 too.
8991         * config/rs6000/aix61.h: New file.
8993 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
8995         PR rtl-optimization/34959
8996         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
8997         popcount and parity rtxes the same mode as their operand.
8998         Truncate or extend the result to the return value's mode
8999         if necessary.
9001 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
9003         PR target/34981
9004         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
9005         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
9006         to GOT_VERSION_REGNUM.
9007         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
9008         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
9009         * config/mips/mips.c (mips_emit_call_insn): New function.
9010         (mips_call_tls_get_addr): Call mips_expand_call directly.
9011         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
9012         emit_call_insn.
9013         (mips16_build_call_stub): Likewise.  Return the call insn or null.
9014         (mips_expand_call): Update the call to mips16_build_call_stub
9015         accordingly and a remove redundant condition.  Assert that MIPS16
9016         stubs do not use lazy binding.  Use mips_emit_call_insn and return
9017         the call insn.
9018         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
9019         TARGET_USE_GOT.
9020         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
9021         (mips_avoid_hazard): Remove hazard_set handling.
9022         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
9023         (UNSPEC_RESTORE_GP): ...this.
9024         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
9025         (FAKE_CALL_REGNO): Rename to...
9026         (GOT_VERSION_REGNUM): ...this.
9027         (type): Add "ghost" value.  Add an associated insn reservation.
9028         (hazard_set): Remove.
9029         (exception_receiver): Rename to...
9030         (restore_gp): ...this and update the unspec identifier accordingly.
9031         (exception_receiver, nonlocal_got_receiver): New expanders.
9032         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
9033         FAKE_CALL_REGNO.  Remove hazard_set attribute.
9034         (set_got_version, update_got_version): New patterns.
9036 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
9038         PR target/34970
9039         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
9041 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
9043         PR other/31955
9044         * doc/install.texi2html: Generate gcc-vers.texi.
9046 2008-01-25  DJ Delorie  <dj@redhat.com>
9048         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
9050 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
9052         * config/c4x: Remove directory.
9053         * config.gcc (crx-*, mt-*): Mark obsolete.
9054         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
9055         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
9056         sh-*-rtemscoff*): Remove cases.
9057         * defaults.h (C4X_FLOAT_FORMAT): Remove.
9058         * real.c (encode_c4x_single, decode_c4x_single,
9059         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
9060         c4x_extended_format): Remove.
9061         * real.h (c4x_single_format, c4x_extended_format): Remove.
9062         * doc/extend.texi (interrupt, naked): Remove mention of attributes
9063         on C4x.
9064         (Pragmas): Remove comment about c4x pragmas.
9065         * doc/install.texi (c4x): Remove target-specific instructions.
9066         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
9067         * doc/md.texi (Machine Constraints): Remove C4x documentation.
9068         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
9069         refer to C4x source files as examples.
9070         (C4X_FLOAT_FORMAT): Remove documentation.
9072 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
9074         * config/bfin/bfin.c (override_options): Reorder tests so that
9075         flag_pic gets enabled for -msep-data.
9077 2008-01-25  Richard Guenther  <rguenther@suse.de>
9079         PR middle-end/32244
9080         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
9081         to its bitfield precision if required.
9083 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
9085         PR middle-end/33880
9086         * tree-nested.c (walk_omp_for): New function.
9087         (convert_nonlocal_reference, convert_local_reference): Call
9088         walk_omp_for on OMP_FOR.
9089         (convert_call_expr): Call walk_body on OMP_FOR's
9090         OMP_FOR_PRE_INIT_BODY.
9092 2008-01-25  Richard Guenther  <rguenther@suse.de>
9094         PR tree-optimization/34966
9095         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
9096         default defs and PHI_NODEs we have to insert after the
9097         defining statement.
9099 2008-01-24  Nick Clifton  <nickc@redhat.com>
9101         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
9102         Provide a default definition.
9103         (LIBGCC2_UNITS_PER_WORD): Likewise.
9105         * config/stormy16/stormy16.c: Include df.h for the prototype
9106         for df_regs_ever_live_p.
9107         (xstormy16_expand_builtin_va_start): Convert the stack offset
9108         into a component_ref and then use POINTER_PLUS_EXPR to add it
9109         to the incoming_virtual_args_rtx.
9110         (xstormy16_gimplify_va_arg_expr): Rename to
9111         xstormy16_gimplify_va_arg_expr.
9112         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
9113         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
9114         xstormy16_gimplify_va_arg_expr.
9115         Fix up some formatting issues.
9117         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
9118         Move to predicates.md.
9119         (xs_hi_general_operand): Likewise.
9120         (xs_hi_nonmemory_operand): Likewise.
9121         * config/stormy16/predicates.md:
9122         (xstormy16_carry_plus_operand): New predicate.
9123         (xs_hi_general_operand): New predicate.
9124         (xs_hi_nonmemory_operand): New predicate.
9125         * config/stormy16/stormy16-protos.h:
9126         (xstormy16_carry_plus_operand): Delete prototype.
9127         (xs_hi_general_operand): Likewise.
9128         (xs_hi_nonmemory_operand): Likewise.
9130         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
9131         modifiers as they are no longer needed and they can trigger
9132         reload spill failures.
9134         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
9135         with a match_operand in order to help reload.
9137         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
9138         constraint with 'e' for the 8th alternative as this version of
9139         the mov.w instruction only accepts the lower 8 registers.
9141 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
9143         PR target/34856
9144         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
9145         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
9146         vector elements.
9148 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
9150         PR middle-end/33333
9151         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
9153 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
9155         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
9156         New functions.
9157         (remove_structure): Update allocations list before removing structure.
9158         
9159 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
9161         * ipa-struct-reorg.c (is_safe_cond_expr, 
9162         create_new_stmts_for_cond_expr): Use integer_zerop function,
9163         that recognize not only zero-pointer, but zero-integer too.
9165 2008-01-25  Ben Elliston  <bje@au.ibm.com>
9167         PR other/22232
9168         * fixproto: Escape "." in sed expression that strips leading "./".
9170 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
9172         PR driver/34904
9173         * gcc.c (SWITCH_OK): Removed.
9174         (SWITCH_LIVE): Changed to bit.
9175         (SWITCH_FALSE): Likewise.
9176         (SWITCH_IGNORE): Likewise.
9177         (switchstr): Change live_cond to unsigned int.
9178         (process_command): Replace SWITCH_OK with 0.
9179         (do_self_spec): Likewise.
9180         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
9181         (give_switch): Likewise.
9182         (used_arg): Likewise.
9183         (do_spec_1): Set the SWITCH_IGNORE bit.
9184         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
9185         bits.  Set the SWITCH_LIVE bit.
9187 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9189         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
9191 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
9193         PR tree-optimization/34472
9194         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
9195         parameter to a "bool *" and set *DATA to false if there is
9196         an unsafe access.  Do not delete the structure here.
9197         (check_cond_exprs): Delete it here instead.
9198         (check_cond_exprs, exclude_cold_structs): Do not increase
9199         I when removing a structure.
9201 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
9203         PR target/34856
9204         * config/i386/i386.c (ix86_expand_vector_init): Consider only
9205         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
9207 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
9209         PR middle-end/34934
9210         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
9211         a fixed vector for stack.
9213 2008-01-24  Ben Elliston  <bje@au.ibm.com>
9215         PR c++/25701
9216         * doc/gcc.texi (Software development): Add a direntry for g++.
9217         
9218 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
9220         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
9221         stale and straggling -fforce-addr comments above.
9223         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
9224         define.
9225         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
9226         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
9228 2008-01-23  Michael Matz  <matz@suse.de>
9230         PR debug/34895
9231         * dwarf2out.c (force_type_die): Use modified_type_die instead of
9232         gen_type_die.
9234 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
9236         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
9237         malloc result type.
9239 2008-01-23 Anatoly Sokolov <aesok@post.ru>
9241         * config/avr/avr.c (avr_current_arch): New variable.
9242         (avr_arch_types): Add 'avr31' and 'avr51' entries.
9243         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
9244         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
9245         (avr_override_options): Init 'avr_current_arch'. 
9246         (base_arch_s): Move from here...
9247         * config/avr/avr.h (base_arch_s): ... here. Add new members 
9248         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
9249         'mega' to 'have_jmp_call'.
9250         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
9251         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
9252         macros.
9253         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
9254         architectures.
9255         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
9256         MULTILIB_MATCHES): (Ditto.).
9258 2008-01-23  Richard Guenther  <rguenther@suse.de>
9260         PR middle-end/31529
9261         * cgraphunit.c (cgraph_reset_node): Always mark the node
9262         not reachable if it is not queued already.
9264 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
9266         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
9267         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
9268         (cputype_selected): New static variable.
9269         (bfin_handle_option): Set it if -mcpu is used.
9270         (override_option): Select default set of workarounds if no cpu type
9271         selected on the command line.
9272         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
9274         From  Michael Frysinger  <michael.frysinger@analog.com>
9275         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
9276         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
9278         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
9279         for bf547, bf523, bf524, and bf526.
9280         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
9281         bf526.
9282         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9283         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
9284         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
9285         __ADSPBF547__ and __ADSPBF54x__ for bf547.
9286         * doc/invoke.texi (Blackfin Options): Document that
9287         -mcpu now accept bf547, bf523, bf524, and bf526.
9289 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
9291         PR rtl-optimization/34628
9292         * combine.c (try_combine): Stop and undo after the first combination
9293         if an autoincrement side-effect on the first insn has effectively
9294         been lost.
9296 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
9298         PR target/34529
9299         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
9300         Offset addresses are not valid for Altivec or paired float modes.
9302 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
9304         PR c++/34607
9305         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
9306         if DECL_INITIAL (decl) is error_mark_node.
9308         PR c++/34914
9309         * c-common.c (handle_vector_size_attribute): Only allow
9310         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
9311         the same way as pointer, array etc. types.
9312         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
9314         PR c++/34917
9315         * tree.c (build_type_attribute_qual_variant): Call
9316         build_qualified_type if attributes are equal, but quals are not.
9318 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9320         PR 32102
9321         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
9322         * flags.h (warn_strict_aliasing): Remove.
9323         (warn_strict_overflow): Remove.
9324         * opts.c (warn_strict_aliasing): Remove.
9325         (warn_strict_overflow): Remove.
9326         * c-opts.c (c_common_handle_option): -Wall only sets
9327         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
9328         (c_common_post_options): Give default values to -Wstrict-aliasing
9329         and -Wstrict-overflow if they are uninitialized.
9330         * common.opt (Wstrict-aliasing): Specify Var and Init.
9331         (Wstrict-overflow): Likewise.
9333 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
9335         PR rtl-optimization/26854
9336         PR rtl-optimization/34400
9337         PR rtl-optimization/34884
9338         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
9339         DF_RD->gen.
9340         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
9341         (df_rd_bb_info.expanded_lr_out): Deleted
9342         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
9343         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
9344         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
9345         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
9346         Removed code to allocate, initialize or free expanded_lr_out.
9347         (df_rd_bb_local_compute_process_def): Restructured to make more
9348         understandable.
9349         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
9350         sets if the sets are being trimmed.
9352 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
9354         PR bootstrap/32287
9355         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
9356         (as_vers): Likewise.
9357         * configure: Regenerated.
9359 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9361         PR middle-end/33092
9362         * tree-pass.h (pass_build_alias): New pass.
9363         * tree-ssa-alias.c (gate_build_alias): New.
9364         (pass_build_alias): New.
9365         * passes.c (init_optimization_passes): Add pass_build_alias after
9366         pass_create_structure_vars.
9368 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
9370         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
9371         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
9372         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
9373         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
9374         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
9375         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
9376         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
9377         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
9378         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
9379         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
9380         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
9381         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
9382         * config/s390/s390.md (FP_ALL): New mode iterator.
9383         (_d): New mode attribute.
9384         ("*signbit<mode>2>"): Changed mode of first operand.
9385         ("isinf<mode>2"): Changed mode of first operand.
9386         ("*TDC_insn"): Adaptation for DFP modes.
9388 2008-01-22  Ben Elliston  <bje@au.ibm.com>
9390         * tree.c (check_qualified_type): Improve function description.
9392 2008-01-21  Jason Merrill  <jason@redhat.com>
9394         PR c++/34196
9395         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
9396         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
9397         if it is set.
9399 2008-01-21  DJ Delorie  <dj@redhat.com>
9401         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
9402         return zero.
9404 2008-01-21  Richard Guenther  <rguenther@suse.de>
9406         PR middle-end/34856
9407         * tree-cfg.c (verify_expr): Allow all invariant expressions
9408         instead of just constant class ones as reference argument.
9409         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
9410         like any other constant.
9411         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
9413 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
9415         * regmove.c (fixup_match_1): Update call crossed frequencies.
9417 2008-01-21  Richard Guenther  <rguenther@suse.de>
9419         PR c/34885
9420         * tree-inline.c (setup_one_parameter): Deal with mismatched
9421         types using a VIEW_CONVERT_EXPR.
9423 2008-01-21  Alon Dayan  <alond@il.ibm.com>
9424             Olga Golovanevsky  <olga@il.ibm.com>
9425         
9426         PR tree-optimization/34701
9427         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
9428         when the structure size is not a power of 2.
9430 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
9432         * doc/install.texi: Add doc for --enable-checking=df.
9433         
9434 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9436         PR rtl-optimization/34808
9437         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
9439 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
9441         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
9442         input.
9444 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
9446         PR rtl-optimization/26854
9447         PR rtl-optimization/34400
9448         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
9449         DF_RD->gen.
9450         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
9451         (df_rd_bb_info.expanded_lr_out): New.
9452         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
9453         * loop_iv.c (iv_analysis_loop_init): Ditto.
9454         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
9455         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
9456         Added code to allocate, initialize or free expanded_lr_out.
9457         (df_rd_bb_local_compute_process_def): Restructured to make
9458         more understandable.
9459         (df_rd_confluence_n): Add code to do nothing with fake edges and
9460         code to no apply invalidate_by_call sets if the sets are being trimmed.
9461         (df_lr_local_finalize): Renamed to df_lr_finalize.
9462         (df_live_local_finalize): Renamed to df_live_finalize.
9464 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
9466         PR target/34831
9467         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
9468         deciding whether to use reciprocal instructions.
9470 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
9472         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
9473         dwarf2out_note_section_used if cold_text_section is NULL.
9475 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
9477         PR gcov-profile/34610
9478         * tree-cfg.c (make_edges): Mark both outgoing edges from
9479         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
9480         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
9481         from OMP_FOR and OMP_CONTINUE outgoing edges.
9483         * tree-profile.c (tree_profiling): Return early if
9484         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
9485         at the end.
9486         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
9487         from cfun to child_cfun.
9488         * function.h (struct function): Add after_tree_profile bit.
9490 2008-01-19 Anatoly Sokolov <aesok@post.ru>
9492         * config/avr/avr.S (_exit): Disable interrupt.
9494 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
9495             Steven Bosscher  <stevenb.gcc@gmail.com>
9497         PR rtl-optimization/26854
9498         PR rtl-optimization/34400
9499         * df-problems.c (df_live_scratch): New scratch bitmap.
9500         (df_live_alloc): Allocate df_live_scratch when doing df_live.
9501         (df_live_reset): Clear the proper bitmaps.
9502         (df_live_bb_local_compute): Only process the artificial defs once
9503         since the order is not important.
9504         (df_live_init): Init the df_live sets only with the variables
9505         found live by df_lr.
9506         (df_live_transfer_function): Use the df_lr sets to prune the
9507         df_live sets as they are being computed.  
9508         (df_live_free): Free df_live_scratch.
9510 2008-01-18  Ian Lance Taylor  <iant@google.com>
9512         * common.opt: Add fmerge-debug-strings.
9513         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
9514         flag_merge_debug_strings rather than flag_merge_constants.
9515         * doc/invoke.texi (Option Summary): Mention
9516         -fmerge-debug-strings.
9517         (Debugging Options): Document -fmerge-debug-strings.
9519 2008-01-18  Ian Lance Taylor  <iant@google.com>
9521         PR c++/33407
9522         * tree.h (DECL_IS_OPERATOR_NEW): Define.
9523         (struct tree_function_decl): Add new field operator_new_flag.
9524         * tree-inline.c (expand_call_inline): When inlining a call to
9525         operator new, force the return value to go into a variable, and
9526         set DECL_NO_TBAA_P on that variable.
9527         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
9529 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
9531         PR debug/34484
9532         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
9533         DWARF2_DEBUGGING_INFO.
9534         (dwarf2out_note_section_used): Ditto.  Add prototype.
9535         (have_multiple_function_sections, text_section_used,
9536         cold_text_section_used, *cold_text_sections): Move declarations
9537         before their uses.
9539 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
9541         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
9542         field and add signal_ra.
9543         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
9544         assignments to frame state pc.  Move end of stack check after
9545         MD_FALLBACK_FRAME_STATE_FOR.
9546         (uw_update_context_1): Use frame state signal_regs if set, instead
9547         of checking signal_frame flag.
9548         (uw_update_context): Use frame state signal_ra if set.
9549         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
9550         * config/xtensa/linux-unwind.h: New file.
9552 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
9554         * modulo-sched.c (get_sched_window): Fix comment typo.
9556 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
9558         PR tree-optimization/34648
9559         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
9561 2008-01-17  Anatoly Sokolov <aesok@post.ru>
9563         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
9564         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
9566 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
9568         PR rtl-optimization/34400
9569         * df-core.c (df_worklist_dataflow_overeager,
9570         df_worklist_dataflow_doublequeue): New functions.
9571         (df_worklist_dataflow): Two different worklist solvers.
9572         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
9573         New param.
9575 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9577         PR testsuite/34821
9578         * doc/invoke.texi: Document the dependence on pthread for fopenmp
9579         and ftree-parallelize-loops.
9581 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
9583         PR rtl-optimization/34826
9584         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
9586 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
9588         * global.c (find_reg): Mark the eh regs as used if necessary.
9589         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
9590         * ra.h (struct allocno): no_eh_reg field added.  Changed
9591         no_stack_reg type to bitfield.
9593 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
9595         * tree.c (substitute_in_expr): Add missing 'break'.
9597 2008-01-17  Richard Guenther  <rguenther@suse.de>
9599         PR tree-optimization/34825
9600         * tree-ssa-math-opts.c (is_division_by): Do not recognize
9601         x / x as division to handle.
9603 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9605         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
9606         "-pthread" is specified.
9607         * pa-hpux11.h (LIB_SPEC): Likewise.
9609 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
9610             Peter Bergner  <bergner@vnet.ibm.com>
9612         PR rtl-optimization/33796
9613         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
9615 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9617         PR libgfortran/34699
9618         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
9619         static links.
9620         * pa-hpux10.h (LINK_SPEC): Likewise.
9621         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
9623 2008-01-16  Richard Guenther  <rguenther@suse.de>
9625         PR middle-end/32628
9626         * fold-const.c (fold_convert_const_int_from_int): Do not
9627         set overflow if that occured only because of a sign extension
9628         change when converting from/to a sizetype with the same
9629         precision and signedness.
9631 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
9633         PR debug/34249
9634         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
9635         location address to the correct place.  Update copyright year.
9637 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9639         * lambda-code.c (lambda_transform_legal_p): Handle the case of
9640         no dependences in the dependence_relations vector.
9642 2008-01-16  Jan Hubicka  <jh@suse.cz>
9644         PR rtl-optimization/31396
9645         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
9646         * cfg.c (dump_reg_info): Print it.
9647         * regs.h (struct reg_info_t): add freq_calls_crossed.
9648         (REG_FREQ_CALLS_CROSSED): New macro.
9649         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
9650         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
9651         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
9652         regmove_optimize): Update call crossed frequencies.
9653         * local-alloc.c (struct qty): Add freq_calls_crossed.
9654         (alloc_qty): Copute freq_calls_crossed.
9655         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
9656         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
9657         * ra.h (struct allocno): Add freq_calls_crossed.
9659 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9661         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
9662         libgomp when compiling with ftree-parallelize-loops.
9663         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
9665 2008-01-16  Richard Guenther  <rguenther@suse.de>
9667         PR tree-optimization/34769
9668         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
9669         * tree.c (int_cst_value): Instead make this function more
9670         permissive in what it accepts as valid input.  Document this
9671         function always sign-extends the value.
9673 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
9674             Richard Guenther  <rguenther@suse.de>
9676         PR c/34668
9677         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
9678         (gimple_fold_indirect_ref_rhs): ... this.
9679         (gimple_fold_indirect_ref): New function with foldings
9680         that preserve lvalueness.
9681         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
9682         * tree-flow.h (gimple_fold_indirect_ref): Declare.
9683         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
9684         to fold an INDIRECT_REF, fall back to the old use of
9685         fold_indirect_ref_1.
9687 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9689         * tree-data-ref.c (subscript_dependence_tester_1): Call 
9690         free_conflict_function.
9691         (compute_self_dependence): Same.
9693 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
9695         PR debug/34249
9696         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
9697         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
9698         function global.
9699         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
9700         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
9701         for DWARF2_UNWIND_INFO targets.
9703 2008-01-16  Richard Guenther  <rguenther@suse.de>
9705         PR c/34768
9706         * c-typeck.c (common_pointer_type): Do not merge inconsistent
9707         type qualifiers for function types.
9709 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
9711         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
9712         loop_iterator li from previous commit.
9714 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
9716         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
9718 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
9720         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
9721         (parallelize_loops): Don't parallelize irreducible components.
9723 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9725         PR c++/24924
9726         * c-opts (c_common_post_options): Do not enable CPP
9727         flag_pedantic_errors by default.
9728         
9729 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
9731         PR rtl-optimization/31944
9732         * cse.c (remove_pseudo_from_table): New function.
9733         (merge_equiv_classes): Use above function to remove pseudo-registers.
9734         (invalidate): Likewise.
9736 2008-01-13  Richard Guenther  <rguenther@suse.de>
9738         PR middle-end/34601
9739         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
9740         instead of TYPE_MODE to deal with calls from expand_one_error_var.
9742 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
9744         * gcse.c (cprop_jump): Call validate_unshare_change instead of
9745         validate_change to unshare the source of the PC set.
9747 2008-01-12  Jan Hubicka  <jh@suse.cz>
9749         PR middle-end/32135
9750         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
9751         references above array bounds.  This might trigger bounds checks for
9752         pointers to arrays.
9754 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
9756         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
9757         new_replaceable_dependencies.
9759 2008-01-12  Doug Kwan  <dougkwan@google.com>
9761         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
9762         instead of OPT_Wreturn_type in warning due to ignored return type
9763         qualifiers.
9764         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
9765         options included in -Wextra.
9766         * c.opt: New option -Wignored_qualifiers.
9767         * doc/invoke.texi (Warning Options, -Wextra): Add new option
9768         -Wignore_qualifiers.
9769         (-Wignored-qualifiers): Document.
9770         (-Wreturn-type): Remove description of functionality now handled
9771         by -Wignored-qualifiers.
9773 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
9775         PR ada/33788
9776         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
9777         NOP_EXPR if it is between integral types with the same precision.
9779 2008-01-12  Jan Hubicka  <jh@suse.cz>
9781         PR other/28023
9782         * invoke.texi (max-inline-recursive-depth): Fix default value.
9784 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
9786         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
9787         correct type.
9789 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
9790         
9791         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
9792         
9793 2008-01-11  James E. Wilson  <wilson@specifix.com>
9795         PR target/26015
9796         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
9798 2008-01-11  Anatoly Sokolov <aesok@post.ru>
9800         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
9801         save/restore frame pointer register and don't use 'call-prologues' 
9802         optimization in function with "OS_task" attribute.
9804 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
9806         PR middle-end/31309
9807         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
9808         when copying to memory.
9810 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
9812         PR rtl-optimization/30905
9813         * cfgcleanup.c: Include dce.h
9814         (crossjumps_occured): New global variable.
9815         (try_crossjump_bb): Exit loop after finding a fallthru edge.
9816         If something changed, set crossjumps_occured to true.
9817         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
9818         Don't add/remove fake edges to exit here...
9819         (cleanup_cfg): ...but do it here, when crossjumping.
9820         Run a fast DCE when successful crossjumps occured in the latest
9821         iteration of try_optimize_cfg.
9823 2008-01-11  Richard Guenther  <rguenther@suse.de>
9825         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
9826         (struct vn_unary_op_s): Likewise.
9827         (vn_reference_insert): Free old reference on hash collision.
9829 2008-01-10  Raksit Ashok  <raksit@google.com>
9831         PR rtl-optimization/27971
9832         * combine.c (find_split_point): Split PLUS expressions which are
9833         inside a MEM rtx, and whose first operand is complex.
9835 2008-01-10  DJ Delorie  <dj@redhat.com>
9837         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
9838         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
9839         (m32c_hard_regno_ok): Call the underlying function.
9841 2008-01-10  Richard Guenther  <rguenther@suse.de>
9843         PR middle-end/34683
9844         * tree-cfg.c (tree_merge_blocks): Do not go through the
9845         full-blown folding and stmt updating path if we just deal
9846         with virtual operands.
9847         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
9848         test for abnormal SSA_NAMEs.
9850 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
9852         PR middle-end/34641
9853         * reload.c (push_reload): Add assertions.  All constants from
9854         reg_equiv_constant should have been used for replacing the respective
9855         pseudo earlier.
9856         (find_reloads_address): Invoke find_reloads_address_part for
9857         constant taken from the reg_equiv_constant array.
9859 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
9861         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
9862         field (valnum) the first in the struct.  Replace bools with
9863         unit bit fields.
9865 2008-01-10  Richard Guenther  <rguenther@suse.de>
9867         PR tree-optimization/34651
9868         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
9869         types and ordering for masking and converting.
9871 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
9873         PR tree-optimization/34017
9874         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
9875         also for PHI_NODE expressions.
9877 2008-01-09  Jan Hubicka  <jh@suse.cz>
9879         PR tree-optimization/34708
9880         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
9881         based on number of case labels.
9882         (init_inline_once): Remove switch_cost.
9883         * tree-inline.h (eni_weights_d): Remove switch_cost.
9885 2008-01-09  Richard Guenther  <rguenther@suse.de>
9886         Andrew Pinski  <andrew_pinski@playstation.sony.com>
9888         PR middle-end/30132
9889         * gimplify.c (gimplify_cond_expr): Do not create an addressable
9890         temporary if an rvalue is ok or an lvalue is not required.
9892 2008-01-09  Richard Guenther  <rguenther@suse.de>
9894         PR middle-end/34458
9895         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
9896         adjust return type.
9898 2008-01-09  Richard Guenther  <rguenther@suse.de>
9900         PR middle-end/34679
9901         * tree.c (host_integerp): Check for sizetype only if the
9902         type is an integer type.
9904 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
9906         PR debug/26364
9907         * opts.c (decode_options): Disable inlining of functions called
9908         once if not in unit-at-a-time mode.
9910 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
9912         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
9914 2008-01-08  Richard Guenther  <rguenther@suse.de>
9916         PR middle-end/31863
9917         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
9918         out early if the result will be unused.
9920 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
9922         PR target/34709
9923         Revert:
9925         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
9926         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
9927         for TARGET_RECIP.       
9928         
9929 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
9930         
9931         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
9932         for vectorization tuned.
9933         
9934 2008-01-08  Richard Guenther  <rguenther@suse.de>
9936         PR tree-optimization/34683
9937         * tree-ssa-operands.c (operand_build_cmp): Export.
9938         * tree-ssa-operands.h (operand_build_cmp): Declare.
9939         * tree-vn.c (vuses_compare): Remove.
9940         (sort_vuses): Use operand_build_cmp.
9941         (sort_vuses_heap): Likewise.
9942         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
9943         to re-use old VEC if available.  Do not sort already sorted VUSEs.
9944         (vdefs_to_vec): Do not sort already sorted VDEFs.
9946 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
9948         PR middle-end/34694
9949         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
9951 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
9953         PR target/34702
9954         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
9955         limitations of reciprocal sequences on x86 targets.
9957 2008-01-08  Richard Guenther  <rguenther@suse.de>
9959         PR tree-optimization/34683
9960         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
9962 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
9964         PR target/34622
9965         * config/darwin.c (darwin_mergeable_string_section): Don't use
9966         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
9968 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
9970         PR target/34682
9971         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
9972         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
9973         predicates of op0 and op1 to register_operand.
9974         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
9975         expander using X87MODEF mode iterator.  Change predicates of
9976         op0 and op1 to register_operand.
9977         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
9978         corresponding patterns and macroize using MODEF macro.  Change
9979         predicates of op0 and op1 to register_operand and remove
9980         "m" constraint. Disparage "r" alternative with "!".
9981         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
9982         macroize using X87MODEF macro.  Change predicates of op0 and op1
9983         to register_operand and remove "m" constraint.  Disparage "r"
9984         alternative with "!".
9985         (absneg splitter with memory operands): Remove.
9986         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
9987         patterns and macroize using X87MODEF mode iterator.
9988         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
9989         Change predicate of op1 to register_operand.
9990         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
9991         for memory operands.
9993 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
9995         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
9997 2008-01-07  Richard Guenther  <rguenther@suse.de>
9999         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
10000         fields.
10002 2008-01-07  Richard Guenther  <rguenther@suse.de>
10004         PR tree-optimization/34683
10005         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
10006         VOPs of the needed size to save memory.  Use VEC_quick_push
10007         to save compile-time.
10008         (vdefs_to_vec): Likewise.
10010 2008-01-07  Sa Liu  <saliu@de.ibm.com>
10012         * config/spu/spu.md (divdf3): Genetate inline code for double
10013         division.  The implementation doesn't handle INF or NAN, therefore it
10014         only applies when -ffinite-math-only is given.
10016 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
10018         PR libstdc++/34680
10019         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
10020         * doc/cpp.texi ([Common Predefined Macros]): Document.
10022 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
10024         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
10025         order to use commutative addition instead of subtraction.
10027 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10028             Mircea Namolaru  <namolaru@il.ibm.com>
10029             Vladimir Yanovsky  <yanov@il.ibm.com>
10030             Revital Eres  <eres@il.ibm.com>
10032         PR tree-optimization/34263
10033         * tree-outof-ssa.c (process_single_block_loop_latch,
10034         contains_tree_r): New functions.
10035         (analyze_edges_for_bb): Call process_single_block_loop_latch
10036         function to empty single-basic-block latch block if possible.
10038 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
10040         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
10041         for TARGET_RECIP.
10042         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
10044 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
10046         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
10048 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
10050         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
10052 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
10054         PR tree-optimization/34618
10055         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
10056         flag from T.
10058 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
10060         PR target/34673
10061         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
10062         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
10063         Update copyright year.
10065         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
10066         Update copyright year.
10067         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
10068         using NR fixup.
10070 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
10072         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
10073         edge does not point to current bb before changing need_assert.
10075 2008-01-04  Richard Guenther  <rguenther@suse.de>
10077         PR middle-end/34029
10078         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
10079         for verifying purposes if they are is_gimple_min_invariant.
10081 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
10083         PR tree-optimization/34448
10084         PR tree-optimization/34465
10085         * gimplify.c (gimplify_init_constructor): Add new parameter
10086         notify_temp_creation.  Use it.
10087         (gimplify_modify_expr_rhs): Take volatiles into account when
10088         optimizing constructors.
10089         Do not optimize constructors if gimplify_init_constructor will dump to
10090         memory.
10091         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
10092         * gcc.c-torture/compile/pr34448.c: New.
10094 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
10096         PR gcov-profile/34609
10097         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
10098         return_slot if result is TREE_ADDRESSABLE.
10100 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
10102         * config/mips/mips.md (sqrt_condition): Tweak comment.
10103         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
10105 2008-01-03  Tom Tromey  <tromey@redhat.com>
10107         PR c/34457
10108         * c-common.c (c_type_hash): Handle VLAs.
10110 2008-01-03  Jan Hubicka  <jh@suse.cz>
10112         PR tree-optimization/31081
10113         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
10114         0 when inlining and not inlining to first basic block.
10115         (remap_decl): When var is initialized to 0, don't set default_def.
10116         (expand_call_inline): Set entry_bb.
10117         * tree-inline.h (copy_body_data): Add entry_bb.
10119 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
10121         PR c++/34619
10122         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
10123         before returning.
10125         PR tree-optimization/29484
10126         * tree-inline.c (inline_forbidden_p_2): New function.
10127         (inline_forbidden_p): Disallow inlining if some static var
10128         has an address of a local LABEL_DECL in its initializer.
10129         * doc/extend.texi (Labels as Values): Document &&foo behaviour
10130         vs. inlining.
10132 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
10134         PR tree-optimization/34635
10135         * tree-data-ref.c (add_other_self_distances): Make sure that the
10136         evolution step is constant.
10138 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
10140         PR middle-end/34608
10141         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
10143 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
10145         * tree-sra.c (scalarize_init): Insert the generate_element_init
10146         statements after the generate_element_zero statements.
10148 2008-01-02  Richard Guenther  <rguenther@suse.de>
10150         PR middle-end/34093
10151         PR middle-end/31976
10152         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
10153         for very large number of operands instead of ICEing.
10155 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
10157         PR target/34013
10158         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
10159         while stack probing.
10161 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
10163         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
10164         in C++0x mode.
10166 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
10168         PR libmudflap/26442
10169         * tree-mudflap.c (mx_register_decls): Guard warning by
10170         !DECL_ARTIFICIAL check.
10172 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
10174         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
10175         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
10176         sse5_perm<mode>): Fix constraints.