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* double-int.c (mpz_set_double_int): Moved from
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
2
3         * double-int.c (mpz_set_double_int): Moved from
4         tree-ssa-loop-niter.c.
5         (mpz_get_double_int): Likewise; also, add option to wrap
6         out-of-range integers.
7         * double-int.h: New prototypes for above.
8         * tree.c (get_static_type_bounds): Moved from
9         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
10         TYPE_MAX_VALUE if they exist..
11         * tree.h: New prototype for above.
12         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
13         get_type_bounds calls.
14         (mpz_set_double_int): Move to double-int.c.
15         (get_type_bounds): Move to tree.c, rename to
16         get_static_type_bounds.
17         (mpz_to_double_int): Move to double-int.c, rename to
18         mpz_get_double_int.
19
20 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
21
22         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
23         DIV0 exception can fall through to a normal return.
24         
25 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
26
27         PR middle-end/22156
28         Temporarily revert:
29         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
30         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
31         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
32         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
33         initialize align to silence bogus warning.
34         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
35         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
36         all_no_warning.
37         (struct sra_walk_fns): Remove use_all parameter from use.
38         (sra_hash_tree): Handle BIT_FIELD_REFs.
39         (sra_elt_hash): Don't hash bitfld blocks.
40         (sra_elt_eq): Skip them in parent compares as well.  Handle
41         BIT_FIELD_REFs.
42         (sra_walk_expr): Don't maintain or pass down use_all_p.
43         (scan_use): Remove use_all parameter.
44         (scalarize_use): Likewise.  Re-expand assignment to
45         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
46         output, and re-scalarize after output.  Don't mark anything
47         for no warning.
48         (scalarize_ldst): Adjust.
49         (scalarize_walk_gimple_modify_statement): Likewise.
50         (build_element_name_1): Handle BIT_FIELD_REFs.
51         (instantiate_element): Don't warn for any element whose parent
52         is used as a whole.
53         (instantiate_missing_elements_1): Return the sra_elt.
54         (canon_type_for_field): New.
55         (try_instantiate_multiple_fields): New.
56         (instantiate_missing_elemnts): Use them.
57         (mark_no_warning): Removed.
58         (generate_one_element_ref): Handle BIT_FIELD_REFs.
59         (REPLDUP, sra_build_elt_assignment): New.
60         (generate_copy_inout): Use them.
61         (generate_element_copy): Likewise.  Handle bitfld differences.
62         (generate_element_zero): Don't recurse for blocks.  Use
63         sra_build_elt_assignment.
64         (generate_one_element_int): Take elt instead of var.  Use
65         sra_build_elt_assignment.
66         (generate_element_init_1): Adjust.
67         (scalarize_use, scalarize_copy): Use REPLDUP.
68         (scalarize_ldst): Move assert before dereference.
69         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
70
71 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
72
73         PR C++/31721
74         * tree.c (reconstruct_complex_type): Reconstruct a reference
75         correctly.
76         Also use the same mode for the pointer as the old pointer type.
77
78 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
79
80         * doc/trouble.texi (Interoperation): Remove note about Ultrix
81         Fortran compiler.
82
83 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
84
85         PR rtl-optimization/31676
86         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
87         (df_refs_record): Call it.
88
89 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
90
91         * rtl.def (SS_ABS): New code.
92         * config/bfin/bfin.c (print_operand): New modifier 'v'.
93         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
94         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
95         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
96         (bfin_init_builtins): Define them.
97         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
98         (bfin_expand_builtin): ... and handle the others here.
99         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
100         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
101         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
102         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
103         operand is only HImode.
104
105 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
106
107         * regclass.c (scan_one_insn): Remove splitting of
108         two address insns.
109
110 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
111             Nigel Stephens  <nigel@mips.com>
112
113         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
114
115 2007-04-28  Jan Hubicka  <jh@suse.cz>
116
117         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
118         insn_locators_alloc instead of insn_locators_initialize;
119         call reset_block_changes.
120         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
121         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
122         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
123         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
124         * config/score/score.c (th_output_mi_thunk): Likewise.
125         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
126         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
127         tolerate uninitialized locator info.
128
129         Re-apply:
130         * function.c (init_function_start): Don't init line number info.
131         (expand_function_end): Update.
132         (reset_block_changes, record_block_change, finalize_block_changes,
133         check_block_change, free_block_changes): Kill.
134         * function.h (reset_block_changes, record_block_change,
135         finalize_block_changes, check_block_change, free_block_changes): Remove
136         prototypes.
137         (struct function): Remove ib_boundaries_block.
138         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
139         Use curr_insn_locator to initialize locator.
140         (emit_line_note): Remove.
141         * cfgexpand.c (expand_gimple_cond_expr): Update.
142         (construct_exit_block): Likewise.
143         (tree_expand_cfg): Initialize/finalize locators.
144         * expr.c (expand_expr_real): Update.
145         * cfglayout.c (line_locators_locs, line_locators_lines,
146         file_locators_locs, file_locators_files): Remove.
147         (set_block_levels): Move to cfgexpand.c.
148         (insn_locators_initialize): Remove.
149         (pass_insn_locators_initialize): Remove.
150         (locations_locators_locs, locations_locators_vals): New static vars.
151         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
152         Likewise.
153         (insn_locators_alloc, insn_locators_finalize,
154         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
155         New functions.
156         (locator_location): New.
157         (locator_line, locator_file): Rewrite.
158         * rtl.h (emit_line_note): Kill.
159         (insn_locators_alloc, insn_locators_finalize,
160         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
161         Declare.
162         * tree-inline.c (initialize_cfun): Do not initialize
163         ib_boundaries_block.
164         * passes.c (pass_insn_locators_initialize): Remove.
165
166 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
167
168         * tree-cfg.c (move_block_to_fn): Release bb from dominance
169         info.  Update last_basic_block correctly.
170
171 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
172
173         PR target/31701
174         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
175         register itself to hold the offset constant.  Tell flow the use
176         of r4 and r5 when they are used.
177
178 2007-04-27  Richard Guenther  <rguenther@suse.de>
179
180         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
181         if we simplified anything.
182         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
183         warnings until we did a simplification and the stmt was not
184         marked as TREE_NO_WARNING.
185
186 2007-04-27  Mike Stump  <mrs@apple.com>
187
188         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
189
190 2007-04-27  Ian Lance Taylor  <iant@google.com>
191
192         PR middle-end/31710
193         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
194         TYPE_MAX_VALUE exist, convert them to the new type.
195
196 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
197
198         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
199         if it claims to be available.
200         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
201         edge is redirected.
202         (perform_tree_ssa_dce): Always free postdominators.
203
204 2007-04-27  Richard Henderson  <rth@redhat.com>
205
206         * config/alpha/predicates.md (aligned_memory_operand): Mark
207         as define_special_predicate.
208         (unaligned_memory_operand, normal_memory_operand): Likewise.
209         (reg_or_unaligned_mem_operand): Remove.
210         (any_memory_operand): Match the documentation and check for
211         non-renumbered pseudos during reload.
212         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
213         alpha_secondary_reload_class, update to new interface, make static.
214         Handle CQImode like HImode.  Remove FP subreg check.
215         (alpha_expand_mov): Use replace_equiv_address.
216         (alpha_expand_mov_nobwx): Use any_memory_operand.
217         (TARGET_SECONDARY_RELOAD): New.
218         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
219         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
220         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
221         * config/alpha/alpha.md: ... here.
222         (RELOAD12, reloadmode): New.
223         (movcqi): New.
224         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
225         Don't handle the aligned case here.
226         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
227         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
228         reload_inhi_help.  Don't expect a scratch register.
229         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
230         reload_outhi_help.
231         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
232
233 2007-04-27  Richard Guenther  <rguenther@suse.de>
234
235         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
236
237 2007-04-27  Richard Guenther  <rguenther@suse.de>
238
239         PR tree-optimization/30965
240         PR tree-optimization/30978
241         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
242         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
243         (find_equivalent_equality_comparison): Likewise.
244         (simplify_cond): Likewise.
245         (get_prop_source_stmt): New helper.
246         (get_prop_dest_stmt): Likewise.
247         (can_propagate_from): Likewise.
248         (remove_prop_source_from_use): Likewise.
249         (combine_cond_expr_cond): Likewise.
250         (forward_propagate_comparison): New function.
251         (forward_propagate_into_cond): Rewrite to use fold for
252         tree combining.
253         (tree_ssa_forward_propagate_single_use_vars): Call
254         forward_propagate_comparison to propagate comparisons.
255
256 2007-04-27  Richard Guenther  <rguenther@suse.de>
257
258         PR tree-optimization/31715
259         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
260         sure to do computation on the offset in an appropriate
261         signed type.
262
263 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
264
265         * reload.h (elimination_target_reg_p): Declare.
266         * reload.c (find_reloads): Don't apply the reg_rtx move
267         optimization if the SET_DEST satisfies elimination_target_reg_p.
268         * reload1.c (elimination_target_reg_p): New function.
269         (gen_reload): In the move/add2 fallback, make sure that op0
270         does not overlap the destination register.
271
272 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
273
274         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
275         transform only GIMPLE_MODIFY_STMTs.
276         * tree-complex.c (expand_complex_operations_1): Ditto.
277         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
278         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
279         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
280         branches.
281         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
282         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
283         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
284         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
285         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
286         slpeel_add_loop_guard): Ditto.
287         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
288         * lambda-code.c (perfect_nestify): Ditto.
289         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
290         before the first statement.
291         * tree-optimize.c (execute_free_datastructures): Fix comments.
292         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
293         * tree-flow.h (disband_implicit_edges): Declaration removed.
294         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
295         branches.
296         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
297         without gotos.
298         (disband_implicit_edges, has_label_p): Removed.
299         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
300         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
301         branches.
302         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
303         side effects.
304         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
305         also for COND_EXPRs.
306         * cfgexpand.c (label_rtx_for_bb): New function.
307         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
308         Use label_rtx_for_bb to find the labels.
309         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
310         last block.  Detect fallthru edges.
311
312 2007-04-26  Ian Lance Taylor  <iant@google.com>
313
314         PR target/28675
315         * reload.c (find_reloads_subreg_address): If the address was valid
316         in the original mode but not in the new mode, reload the whole
317         address.
318
319 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
320
321         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
322         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
323         (cleanup_control_expr_graph): Do not invalidate dominance info.
324         Record altered blocks.
325         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
326         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
327         cleanup_tree_cfg_bb): New functions.
328         (remove_forwarder_block): Do not maintain the worklist of blocks.
329         Record altered blocks.
330         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
331         not over whole cfg.
332         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
333         delete_unreachable_blocks if dominators are not available.
334         * tree-inline.c (optimize_inline_calls): Free dominance information
335         earlier.
336         * tree-flow.h (remove_edge_and_dominated_blocks,
337         cfgcleanup_altered_bbs): Altered.
338         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
339         blocks.
340         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
341         functions.
342         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
343         do not invalidate dominators.
344
345 2007-04-26  Anatoly Sokolov <aesok@post.ru>
346
347         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and 
348         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
349         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
350         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
351
352 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
353
354         * config/ia64/ia64.md (ip_value):  Fix itanium_class attribute.
355
356 2007-04-26  Richard Guenther  <rguenther@suse.de>
357
358         PR tree-optimization/31703
359         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
360         the right type for the target of the bittest.
361
362 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
363
364         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
365         ix86_sol10_return_in_memory.
366
367 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
368
369         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
370         variables.
371
372 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
373
374         PR c++/31598
375         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
376
377         PR tree-optimization/30558
378         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
379         clear this_state.prev_try.
380
381 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
382             Mark Mitchell  <mark@codesourcery.com>
383
384         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
385         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
386         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
387
388 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
389
390         PR driver/31107
391         * doc/invoke.texi (%:print-asm-header): Document.
392         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
393         and -ftarget-help.
394         (static_spec_functions): Add print-asm-header.
395         (main): Print a banner before the --target-help linker options.
396         (print_asm_header_spec_function): New function.
397
398 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
399
400         PR target/31403
401         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
402         (movsf_ie): Likewise.
403
404 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
405
406         * doc/extend.texi ([Type Traits]): Adjust per N2255.
407
408 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
409
410         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
411         for divide-by-zero.
412         (__umodsi3, __modsi3): Likewise.
413
414 2007-04-25  Dirk Mueller  <dmueller@suse.de>
415
416         * c-typeck.c (build_compound_expr): Annotate warning()
417         call with OPT_Wunused_value.
418         * tree-ssa.c (warn_uninit): Annotate warning with
419         OPT_Wunintialized.
420         * c-common.c (handle_sentinel_attribute): Annotate warning
421         call with OPT_Wattributes.
422
423 2007-04-25  Thiemo Seufer  <ths@mips.com>
424
425         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
426         (mips16): Fix typo.
427         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
428         on to the assembler.  Improve handling of -mno-mips16.  Add handling
429         of -mno-mips3d, -mno-dsp, -mno-dspr2.
430         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
431         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
432         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
433
434 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
435
436         PR target/31680
437         * config/i386/winnt.c (i386_pe_file_end): Strip only
438         USER_LABEL_PREFIX when writing export name.
439
440 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
441
442         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
443         sh/elf.h, vx-common.h and vxworks.h.
444         * config/sh/sh.h: Include config/vxworks-dummy.h.
445         (SUBTARGET_OVERRIDE_OPTIONS): Define.
446         (OVERRIDE_OPTIONS): Use it.
447         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
448         (vxworks_picreg): New pattern.
449         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
450         VXWORKS_OS_CPP_BUILTINS.
451         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
452         to their VXWORKS_* equivalents.
453         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
454         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
455         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
456         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
457         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
458         -mrtp/-fPIC multilibs.
459         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
460         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
461         (MULTILIB_OSDIRNAMES): Delete.
462
463 2007-04-25  Anatoly Sokolov <aesok@post.ru>
464
465         PR target/18989
466         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
467
468 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
469
470         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
471         rounding mode to be specified by the caller.
472         (real_to_mpfr) Likewise.
473         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
474         include new arguments.
475         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
476
477 2007-04-24  Ian Lance Taylor  <iant@google.com>
478
479         PR tree-optimization/31605
480         * tree-vrp.c (set_value_range): Check that min and max are not
481         both overflow infinities.
482         (set_value_range_to_value): New static function.
483         (extract_range_from_binary_expr): Call set_value_range_to_value.
484         (extract_range_from_cond_expr): Likewise.
485         (extract_range_from_expr): Likewise.
486         (extract_range_from_unary_expr): Likewise.  Don't create a range
487         which overflows on both sides.
488         (vrp_meet): Check for a useless range.
489         (vrp_visit_phi_node): If we see a constant which looks like an
490         overflow infinity, turn off the TREE_OVERFLOW flag.
491
492 2007-04-24  Ian Lance Taylor  <iant@google.com>
493
494         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
495
496 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
497
498         PR diagnostic/25923
499         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
500         diagnostic message is being built.
501         * tree-pretty-print.c (dump_generic_node): Only write the
502         formatted text into BUFFER's stream if we are not building a
503         diagnostic message.
504         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
505         dump_generic_node.
506         * Makefile.in (toplev.o): Depend on tree-pass.h.
507
508 2007-04-24  Ian Lance Taylor  <iant@google.com>
509
510         PR tree-optimization/31602
511         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
512         conditionals in the copied loop header.
513         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
514         warnings if TREE_NO_WARNING is set.
515         * doc/invoke.texi (Warning Options): Clarify that
516         -Wstrict-overflow does not warn about loops.
517
518 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
519
520         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
521         expand on the comment about _Decimal128 arguments and check the
522         integer result of the modulus operation; for 64-bit ELF ABI, ensure
523         that _Decimal128 argument uses even/odd register pair.
524         (function_arg): Ditto.
525
526 2007-04-24  Hui-May Chang <hm.chang@apple.com>
527
528         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
529         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
530
531 2007-04-24  Richard Guenther  <rguenther@suse.de>
532             Olga Golovanevsky  <olga@il.ibm.com>
533
534         * fold-const.c (multiple_of_p): Check for bottom 
535         to be zero. 
536
537 2007-04-24  Richard Henderson  <rth@redhat.com>
538
539         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from 
540         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
541         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
542         looking for non-zero bits shifted out.  Avoid a recursive call
543         when constructing the scalar.
544         (__floatundisf): Likewise.
545
546 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
547
548         * dwarf2out.c (field_byte_offset): Move the existing logic
549         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
550         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
551
552 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
553
554         PR target/31641
555         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
556         argument of 0 for memset.
557         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
558         unsigned shift instead of the signed variant.
559
560 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
561
562         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
563         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
564         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
565         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
566         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
567         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
568         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
569         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
570         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
571         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
572         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
573         "mul<mode>3", "div<mode>3"): Insn definitions added.
574         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
575         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
576         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
577         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
578         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
579         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
580         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
581         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
582         TARGET_FLOAT_FORMAT): Macro definitions removed.
583         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
584         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
585         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
586         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
587         (s390_gen_rtx_const_DI): Function removed.
588         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
589
590 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
591
592         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
593         over an external ffs function.
594
595 2007-04-24  Chao-ying Fu  <fu@mips.com>
596             Richard Sandiford  <richard@nildram.co.uk>
597
598         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
599         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
600         (smadd_widen_optab, umadd_widen_optab): Define.
601         * optabs.c (init_optabs): Initialize smadd_widen_optab and
602         umadd_widen_optab.
603         * genopinit.c (optabs): Fill in smadd_widen_optab and
604         umadd_widen_optab.
605         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
606         and umadd_widen_optab to implement multiply-add sequences.
607         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
608         (<u>maddsidi4): ...this.  Extend condition to include
609         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
610         of operand 0 to "ka" and use the three-operand form of madd<u>
611         for TARGET_DSPR2.
612         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
613         to define_expands.
614         * config/mips/constraints.md (ka): New register constraint.
615
616 2007-04-24  Jan Hubicka  <j@suse.cz>
617
618         Revert:
619
620         2007-04-23  Jan Hubicka  <jh@suse.cz>
621         * function.c (init_function_start): Don't init line number info.
622         (expand_function_end): Update.
623         (reset_block_changes, record_block_change, finalize_block_changes,
624         check_block_change, free_block_changes): Kill.
625         * function.h (reset_block_changes, record_block_change,
626         finalize_block_changes, check_block_change, free_block_changes): Remove
627         prototypes.
628         (struct function): Remove ib_boundaries_block.
629         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
630         Use curr_insn_locator to initialize locator.
631         (emit_line_note): Remove.
632         * cfgexpand.c (expand_gimple_cond_expr): Update.
633         (construct_exit_block): Likewise.
634         (tree_expand_cfg): Initialize/finalize locators.
635         * expr.c (expand_expr_real): Update.
636         * cfglayout.c (line_locators_locs, line_locators_lines,
637         file_locators_locs, file_locators_files): Remove.
638         (set_block_levels): Move to cfgexpand.c.
639         (insn_locators_initialize): Remove.
640         (pass_insn_locators_initialize): Remove.
641         (locations_locators_locs, locations_locators_vals): New static vars.
642         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
643         Likewise.
644         (insn_locators_alloc, insn_locators_finalize,
645         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
646         New functions.
647         (locator_location): New.
648         (locator_line, locator_file): Rewrite.
649         * rtl.h (emit_line_note): Kill.
650         (insn_locators_alloc, insn_locators_finalize,
651         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
652         Declare.
653         * tree-inline.c (initialize_cfun): Do not initialize
654         ib_boundaries_block.
655         * passes.c (pass_insn_locators_initialize): Remove.
656
657 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
658
659         * doc/invoke.texi: Removed leading '-' from option index entries.
660
661 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
662
663         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
664         Use phi_nodes_ptr.
665         (create_phi_node): Use set_phi_nodes.
666         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
667         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
668         (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
669         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
670         (bsi_start, bsi_last): Use bb_stmt_list.
671         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
672         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
673         Traverse the statements using tsi iterator.
674         * basic-block.h (struct basic_block_def): Fields stmt_list
675         and phi_nodes moved to ...
676         (struct tree_bb_info): ... new structure.
677         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
678         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
679         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
680         (tree_verify_flow_info): Verify that il.tree is not set for
681         entry and exit block.
682         (tree_split_block): Use set_bb_stmt_list.
683
684 2007-04-23  Mike Stump  <mrs@apple.com>
685
686         * config/i386/i386.c (ix86_tune_features
687         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
688         nocona and core2.
689
690 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
691
692         * config/i386/i386.md (prefix_extra): New attribute.
693         (length): Add prefix_extra.
694
695         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
696         (sse2_movntv2di): Likewise.
697         (sse2_cvtps2dq): Likewise.
698         (sse2_cvtpd2pi): Likewise.
699         (sse2_cvttpd2pi): Likewise.
700         (*sse2_cvtpd2ps): Likewise.
701         (*add<mode>3): Likewise.
702         (sse2_ssadd<mode>3): Likewise.
703         (sse2_usadd<mode>3): Likewise.
704         (*sub<mode>3): Likewise.
705         (sse2_sssub<mode>3): Likewise.
706         (sse2_ussub<mode>3): Likewise.
707         (*mulv8hi3): Likewise.
708         (*smulv8hi3_highpart): Likewise.
709         (*umulv8hi3_highpart): Likewise.
710         (sse2_umulv2siv2di3): Likewise.
711         (sse2_pmaddwd): Likewise.
712         (ashr<mode>3): Likewise.
713         (lshr<mode>3): Likewise.
714         (ashl<mode>3): Likewise.
715         (sse2_ashlti3): Likewise.
716         (sse2_lshrti3): Likewise.
717         (*umaxv16qi3): Likewise.
718         (*smaxv8hi3): Likewise.
719         (*uminv16qi3): Likewise.
720         (*sminv8hi3): Likewise.
721         (sse2_eq<mode>3): Likewise.
722         (sse2_gt<mode>3): Likewise.
723         (*and<mode>3): Likewise.
724         (sse2_nand<mode>3): Likewise.
725         (*ior<mode>3): Likewise.
726         (*xor<mode>3): Likewise.
727         (sse2_packsswb): Likewise.
728         (sse2_packssdw): Likewise.
729         (sse2_packuswb): Likewise.
730         (sse2_punpckhbw): Likewise.
731         (sse2_punpcklbw): Likewise.
732         (sse2_punpckhwd): Likewise.
733         (sse2_punpcklwd): Likewise.
734         (sse2_punpckhdq): Likewise.
735         (sse2_punpckldq): Likewise.
736         (sse2_punpckhqdq): Likewise.
737         (sse2_punpcklqdq): Likewise.
738         (*sse2_pinsrw): Likewise.
739         (*sse2_pextrw): Likewise.
740         (sse2_pshufd_1): Likewise.
741         (sse2_uavgv16qi3): Likewise.
742         (sse2_uavgv8hi3): Likewise.
743         (sse2_psadbw): Likewise.
744         (sse2_pmovmskb): Likewise.
745         (*sse2_maskmovdqu): Likewise.
746         (*sse2_maskmovdqu_rex64): Likewise.
747         (sse4a_extrqi): Likewise.
748         (sse4a_extrq): Likewise.
749         (sse3_lddqu): Set prefix_rep.
750         (sse3_addsubv4sf3): Likewise.
751         (sse3_haddv4sf3): Likewise.
752         (sse3_hsubv4sf3): Likewise.
753         (sse_cvtss2si): Likewise.
754         (sse_cvtss2si_2): Likewise.
755         (sse_cvtss2siq): Likewise.
756         (sse_cvtss2siq_2): Likewise.
757         (sse_cvttss2si): Likewise.
758         (sse_cvttss2siq): Likewise.
759         (sse2_cvttps2dq): Likewise.
760         (sse3_movshdup): Likewise.
761         (sse3_movsldup): Likewise.
762         (sse2_cvtsd2si): Likewise.
763         (sse2_cvtsd2si_2): Likewise.
764         (sse2_cvtsd2siq): Likewise.
765         (sse2_cvtsd2siq_2): Likewise.
766         (sse2_cvttsd2si): Likewise.
767         (sse2_cvttsd2siq): Likewise.
768         (*sse2_cvtpd2dq): Likewise.
769         (*sse2_cvttpd2dq): Likewise.
770         (sse2_pshuflw_1): Likewise.
771         (sse2_pshufhw_1): Likewise.
772         (sse4a_insertqi): Likewise.
773         (sse4a_insertq): Likewise.
774         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
775         (ssse3_phadddv4si3): Likewise.
776         (ssse3_phaddswv8hi3): Likewise.
777         (ssse3_phsubwv8hi3): Likewise.
778         (ssse3_phsubdv4si3): Likewise.
779         (ssse3_phsubswv8hi3): Likewise.
780         (ssse3_pmaddubswv8hi3): Likewise.
781         (ssse3_pmulhrswv8hi3): Likewise.
782         (ssse3_pshufbv16qi3): Likewise.
783         (ssse3_psign<mode>3): Likewise.
784         (ssse3_palignrti): Likewise.
785         (abs<mode>2): Likewise.
786         (ssse3_phaddwv4hi3): Set prefix_extra.
787         (ssse3_phadddv2si3): Likewise.
788         (ssse3_phaddswv4hi3): Likewise.
789         (ssse3_phsubwv4hi3): Likewise.
790         (ssse3_phsubdv2si3): Likewise.
791         (ssse3_phsubswv4hi3): Likewise.
792         (ssse3_pmaddubswv4hi3): Likewise.
793         (ssse3_pmulhrswv4hi3): Likewise.
794         (ssse3_pshufbv8qi3): Likewise.
795         (ssse3_psign<mode>3): Likewise.
796         (ssse3_palignrdi): Likewise.
797         (abs<mode>2): Likewise.
798         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
799         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
800         (sse2_pmovmskb): Set mode to SI instead of V2DF.
801
802 2007-04-23  Nick Clifton  <nickc@redhat.com>
803
804         * params.def: Fix formatting of emacs local variables.
805
806 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
807
808         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
809         move if inter-unit move isn't allowed.
810         Don't split moving the first element of V2DI to DI to inter-unit
811         move if inter-unit move isn't allowed.
812
813 2007-04-23  Richard Guenther  <rguenther@suse.de>
814
815         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
816         and CDI_POST_DOMINATORS separately.
817
818 2007-04-23  Nick Clifton  <nickc@redhat.com>
819
820         * c.opt (Wformat-contains-nul): Add warning attribute.
821
822 2007-04-23  Jan Hubicka  <jh@suse.cz>
823
824         * function.c (init_function_start): Don't init line number info.
825         (expand_function_end): Update.
826         (reset_block_changes, record_block_change, finalize_block_changes,
827         check_block_change, free_block_changes): Kill.
828         * function.h (reset_block_changes, record_block_change,
829         finalize_block_changes, check_block_change, free_block_changes): Remove
830         prototypes.
831         (struct function): Remove ib_boundaries_block.
832         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
833         Use curr_insn_locator to initialize locator.
834         (emit_line_note): Remove.
835         * cfgexpand.c (expand_gimple_cond_expr): Update.
836         (construct_exit_block): Likewise.
837         (tree_expand_cfg): Initialize/finalize locators.
838         * expr.c (expand_expr_real): Update.
839         * cfglayout.c (line_locators_locs, line_locators_lines,
840         file_locators_locs, file_locators_files): Remove.
841         (set_block_levels): Move to cfgexpand.c.
842         (insn_locators_initialize): Remove.
843         (pass_insn_locators_initialize): Remove.
844         (locations_locators_locs, locations_locators_vals): New static vars.
845         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
846         Likewise.
847         (insn_locators_alloc, insn_locators_finalize,
848         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
849         New functions.
850         (locator_location): New.
851         (locator_line, locator_file): Rewrite.
852         * rtl.h (emit_line_note): Kill.
853         (insn_locators_alloc, insn_locators_finalize,
854         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
855         Declare.
856         * tree-inline.c (initialize_cfun): Do not initialize
857         ib_boundaries_block.
858         * passes.c (pass_insn_locators_initialize): Remove.
859
860 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
861
862         PR middle-end/31448
863         * expr.c (reduce_to_bit_field_precision): Handle
864         CONST_INT rtx's.
865
866 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
867
868         PR tree-optimization/24659
869         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
870         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
871         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
872         * genopinit.c (optabs): Rename vec_pack_mod_optab
873         to vec_pack_trunc_optab.
874         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
875         early for scalar floating point operands for NOP_EXPR.
876         (vectorizable_type_promotion): Ditto.
877         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
878         vec_pack_trunc_optab.
879         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
880
881         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
882         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
883         Rename from VEC_PACK_MOD_EXPR.
884         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
885         * expr.c (expand_expr_real_1): Ditto.
886         * tree-inline.c (estimate_num_insns_1): Ditto.
887         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
888
889         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
890         (vec_unpacks_lo_v4sf): Ditto.
891         (vec_pack_trunc_v2df): Ditto.
892         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
893         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
894         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
895
896         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
897         vec_pack_mod_v8hi.
898         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
899
900         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
901         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
902         packing of floating point operands.
903         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
904         represent unpacking of floating point operands.
905         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
906         [vec_unpacks_hi]: Ditto.
907         [vec_unpacks_lo]: Ditto.
908
909 2007-04-22  Jan Hubicka  <jh@suse.cz>
910
911         * final.c (rest_of_handle_final): Call
912         targetm.asm_out.constructor/targetm.asm_out.destructor
913         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
914         proper priority via decl_*_priority_insert.
915         * c-common.c (c_expand_body): Likewise.
916
917 2007-04-22  Richard Guenther  <rguenther@suse.de>
918
919         PR tree-optimization/29789
920         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
921         (rewrite_reciprocal): New helper split out from
922         determine_invariantness_stmt.
923         (rewrite_bittest): Likewise.
924         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
925         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
926         is not.
927
928 2007-04-22  Revital Eres  <eres@il.ibm.com>
929
930         * loop-unroll.c (var_to_expand): New field to support also
931         insns of the form x = something + x.
932         (analyze_insn_to_expand_var): Use it.
933         (expand_var_during_unrolling): Likewise.
934
935 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
936
937         * predict.c: Include pointer-set.h.
938         (bb_predictions): New variable.
939         (tree_predicted_by_p, tree_predict_edge,
940         remove_predictions_associated_with_edge): Use bb_predictions map
941         instead of bb->predictions.
942         (clear_bb_predictions, assert_is_empty): New functions.
943         (combine_predictions_for_bb): Use bb_predictions map.  Call
944         clear_bb_predictions.
945         (tree_estimate_probability): Create and free bb_predictions map.
946         * Makefile.in (predict.o): Add pointer-set.h dependency.
947         * basic-block.h (struct basic_block_def): Remove predictions
948         field.
949         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
950
951 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
952
953         PR target/31480
954         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
955         is null.
956
957 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
958
959         * timevar.c (timevar_print): Change reference of --disable-checking to
960         --enable-checking=release.  Also warn if assert checking is disabled.
961
962 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
963
964         PR C/30265
965         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
966         decl as addressable if the compound literal was marked as
967         addressable.
968         Mark the decl as a gimple register if it is a complex or
969         vector decl and does not live in memory.
970
971 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
972
973         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
974         (GENERIC_NEXT): New function macro.
975         (PHI_CHAIN): Use phi_node's new chain variable.
976         (tree_phi_node): Change tree_common to tree_base
977         and add the chain field.
978         * tree-phinodes.c (make_phi_node): Don't set
979         TREE_TYPE on the new node.
980         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
981         instead of checking GIMPLE_TUPLE_P in chain_next.
982         * tree-vect-transform.c
983         (get_initial_def_for_induction): Look at
984         PHI_RESULT_TREE for the type of the phi node.
985         (update_vuses_to_preheader): Use PHI_CHAIN
986         instead of TREE_CHAIN on the phi node.
987         * tree-ssa-structalias.c (compute_points_to_sets):
988         Likewise.
989         (ipa_pta_execute): Likewise.
990
991 2007-04-21  Richard Guenther  <rguenther@suse.de>
992
993         PR middle-end/31136
994         * fold-const.c (fold_unary): Call fold_convert_const on the
995         original tree.
996
997 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
998
999         * gcse.c (store_killed_in_insn): Handle PARALLELs.
1000         (store_killed_in_pat): New.
1001
1002 2007-04-20  Richard Henderson  <rth@redhat.com>
1003
1004         PR target/31628
1005         * config/i386/i386.c (type_has_variadic_args_p): Look for any
1006         TREE_LIST with a void_type_node value, not void_list_node exactly.
1007
1008 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
1009
1010         * doc/standards.texi: Re-arrange into language-specific
1011         subsections. Add a C++ section, documenting which standards we
1012         support.
1013
1014 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1015
1016         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
1017         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
1018
1019 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
1020
1021         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
1022         ecrti.o and crtbegin.o.
1023         (LIB_DEFAULT_SPEC): Include -lc.
1024         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
1025
1026 2007-04-20  Richard Henderson  <rth@redhat.com>
1027
1028         PR target/28623
1029         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
1030         argument; update all callers.
1031         (get_unaligned_offset): New.
1032         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
1033         get_unaligned_address, just pass on the address directly.
1034         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
1035         the subreg in the helper patterns.
1036         (unaligned_extendqidi_le): Use get_unaligned_offset.
1037         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
1038         (unaligned_extendhidi_be): Likewise.
1039         (unaligned_extendhidi): Tidy.
1040         * config/alpha/alpha-protos.h: Update.
1041
1042 2007-04-20  Richard Henderson  <rth@redhat.com>
1043
1044         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
1045         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
1046         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
1047         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1048         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1049         (CPP_SPEC): Don't include %(cpp_subtarget).
1050         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
1051         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1052         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
1053
1054 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
1055
1056         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
1057         for __builtin_ia32_cmpordss.
1058
1059         PR tree-optimization/31632
1060         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1061         and arg1 for optimizations of comparison against min/max values.
1062         Fold arg0 to arg1's type for optimizations of comparison against
1063         min+1 and max-1 values.
1064
1065 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
1066
1067         * reload.c (combine_reloads): When trying to use a dying register,
1068         check whether it's uninitialized and don't use if so.
1069
1070 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
1071
1072         * fold-const.c: Remove prototypes for native_encode_expr and
1073         native_interpret_expr.
1074         (native_encode_expr): Make non-static.
1075         (native_interpret_expr): Likewise.
1076         * tree.h: Add prototypes for the above.
1077
1078 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1079
1080         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
1081         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
1082         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
1083         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
1084         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
1085         Add length attributes.
1086
1087 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
1088
1089         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
1090         not that it is 1.
1091
1092         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
1093         __STDC_WANT_DEC_FP__.
1094
1095 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1096
1097         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
1098         for long double compatibility.
1099         * configure: Regenerate.
1100
1101 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
1102
1103         PR rtl-optimization/29841
1104         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
1105         trap instructions.
1106         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
1107         that may cause control flow transfer from being moved.
1108
1109 2007-04-18  Jan Hubicka  <jh@suse.cz>
1110
1111         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
1112         types.
1113
1114 2007-04-18  Eric Christopher  <echristo@apple.com>
1115
1116         * config/rs6000/darwin.md (load_macho_picbase): Use link register
1117         only. Update operands.
1118         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
1119         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
1120         link register to pic register.
1121
1122 2007-04-18  Dirk Mueller  <dmueller@suse.de>
1123
1124         PR diagnostic/31227
1125         * tree-vrp.c (search_for_addr_array): New.
1126         (check_array_bounds): Suppress warning about
1127         address taken of array refs if its not de-referenced.
1128
1129 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1130
1131         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
1132         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
1133
1134         * tree-vectorizer.h (NITERS_KNOWN_P): New.
1135         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
1136         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
1137
1138         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
1139         dump print.
1140         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
1141         print message.
1142         (vect_analyze_scalar_cycles): Fix indentation.
1143         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
1144         (vect_mark_relevant): Include phis in relevance analysis.
1145
1146         * tree-vect-transform.c (vect_transform_loop): Add an assert.
1147
1148 2007-04-18  Anatoly Sokolov <aesok@post.ru>
1149
1150         * config/avr/avr.c (ptrreg_to_str): Replace error() with
1151         output_operand_lossage().
1152
1153 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1154
1155         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
1156         the unused code for reduction without adjust-in-epilog to simplify the
1157         function.
1158
1159 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
1160
1161         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
1162         (S390_TDC_NEGATIVE_ZERO): New constant.
1163         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
1164         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
1165         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
1166         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
1167         (S390_TDC_POSITIVE_INFINITY): New constant.
1168         (S390_TDC_NEGATIVE_INFINITY): New constant.
1169         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
1170         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
1171         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
1172         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
1173         (S390_TDC_INFINITY): New constant.
1174         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
1175         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
1176         optimization for UNSPEC_CCZ_TO_INT.
1177         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
1178         ("*ccz_to_int"): New insn.
1179         ("isinf<mode>2"): New insn.
1180         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
1181         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
1182         (UNSPEC_CCZ_TO_INT): New constant.
1183
1184 2007-04-18  Richard Guenther  <rguenther@suse.de>
1185
1186         PR tree-optimization/19431
1187         PR tree-optimization/21463
1188         * tree-pass.h (pass_phiprop): Declare.
1189         * passes.c (init_optimization_passes): New phiprop pass.
1190         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
1191         (phivn_valid_p): New helper function.
1192         (phiprop_insert_phi): Likewise.
1193         (propagate_with_phi): Likewise.
1194         (tree_ssa_phiprop): New propagator propagating loads
1195         through phi nodes if profitable.
1196
1197 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1198
1199         * tree-vect-analyze.c (process_use): New function.
1200         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
1201         Check phis in all bbs.
1202         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
1203         assert.
1204
1205 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
1206
1207         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
1208         we use REG_EQUAL.
1209
1210 2007-04-17  Anatoly Sokolov <aesok@post.ru>
1211
1212         PR target/30483
1213         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
1214         error().
1215
1216 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
1217
1218         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
1219         on "0".
1220         (sse_vmmulv4sf3): Likewise.
1221         (sse2_vmaddv2df3): Likewise.
1222         (sse2_vmmulv2df3): Likewise.
1223
1224 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
1225
1226         PR rtl-optimization/31360
1227         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
1228         (target_reg_cost): New.
1229         (init_set_costs): Initialize target_reg_cost.  Add comments
1230         regarding the rationale of the costs.
1231         (global_cost_for_size): Renamed to...
1232         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
1233         of register pressure.
1234         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
1235         estimate_reg_pressure_cost.  Add number of ivs.
1236         (determine_set_costs): Dump target_reg_cost.
1237         * loop-invariant.c (gain_for_invariant):  Use
1238         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
1239         (best_gain_for_invariant, find_invariants_to_move): Remove
1240         n_inv_uses.
1241         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
1242         (target_reg_cost): Declare.
1243         (global_cost_for_size): Declaration removed.
1244         (estimate_reg_pressure_cost): Declare.
1245
1246 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
1247
1248         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
1249         regnos into even/odd register pairs.
1250         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
1251         TDmode similar to the other floating point modes.
1252         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
1253         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
1254         define_expand's.
1255         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
1256         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
1257         (movdd_hardfloat64): Use TARGET_MFPGPR.
1258
1259 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
1260
1261         * reload1.c (delete_output_reload): Don't count output in n_inherited.
1262
1263         Revert
1264         2005-01-05  Richard Henderson  <rth@redhat.com>
1265         PR rtl-opt/10692
1266         * reload1.c (do_input_reload): Restrict the optimization deleteing
1267         a previous output reload to RELOAD_FOR_INPUT.
1268
1269 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
1270
1271         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
1272         induc_vec_info_type.
1273         (vectorizable_induction): New function declaration.
1274         * tree-vect-transform.c (get_initial_def_for_induction): No need to
1275         check if already vectorized.  Find first place in BB where new stmts
1276         can be inserted.  Takes only one argument.
1277         (vectorizable_induction): New function.
1278         (vect_transform_stmt): Add case for induc_vec_info_type to call
1279         vectorizable_induction.
1280         (vect_transform_loop): Consider phis for vectorization.
1281         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
1282         condition.
1283         (analyze_operations): Call vectorizable_induction when analyzing phis.
1284         Fix comment.
1285         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
1286         (vect_mark_relevant): Include phis in relevance analysis.
1287         (vect_mark_stmts_to_be_vectorize): Likewise.
1288         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
1289
1290 2007-04-16  Lawrence Crowl  <crowl@google.com>
1291
1292         * doc/invoke.texi (Debugging Options): Add documentation for the
1293         -femit-struct-debug options -femit-struct-debug-baseonly,
1294         -femit-struct-debug-reduced, and
1295         -femit-struct-debug-detailed[=...].
1296
1297         * c-opts.c (c_common_handle_option): Add
1298         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
1299         and OPT_femit_struct_debug_detailed_.
1300         * c.opt: Add specifications for
1301         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
1302         and -femit-struct-debug-detailed[=...].
1303         * opts.c (set_struct_debug_option): Parse the
1304         -femit-struct-debug-... options.
1305         * opts.c (matches_main_base, main_input_basename,
1306         main_input_baselength, base_of_path, matches_main_base): Add
1307         variables and functions to compare header base name to compilation
1308         unit base name.
1309         * opts.c (should_emit_struct_debug): Add to determine to emit a
1310         structure based on the option.
1311         (dump_struct_debug) Also disabled function to debug this
1312         function.
1313         * opts.c (handle_options): Save the base name of the
1314         compilation unit.
1315
1316         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
1317         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
1318         This hook indicates if a type is generic.  Set it by default
1319         to "never generic".
1320         * langhooks.h (struct lang_hooks_for_types): Add a new hook
1321         to determine if a struct type is generic or not.
1322         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
1323         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
1324         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
1325         with live C++ hook.
1326
1327         * flags.h (enum debug_info_usage): Add an enumeration to describe
1328         a program's use of a structure type.
1329         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
1330         to indicate the program's usage of the type.  Filter structs based
1331         on the -femit-struct-debug-... specification.
1332         (gen_type_die): Split into two routines, gen_type_die and
1333         gen_type_die_with_usage.  gen_type_die is now a wrapper
1334         that assumes direct usage.
1335         (gen_type_die_with_usage): Replace calls to gen_type_die
1336         with gen_type_die_with_usage adding the program usage of
1337         the referenced type.
1338         (dwarf2out_imported_module_or_decl): Suppress struct debug
1339         information using should_emit_struct_debug when appropriate.
1340
1341 2007-04-16  Ian Lance Taylor  <iant@google.com>
1342
1343         PR tree-optimization/31522
1344         * tree-vrp.c (vr_phi_edge_counts): New static variable.
1345         (vrp_initialize): Allocate vr_phi_edge_counts.
1346         (vrp_visit_phi_node): Don't push to infinity if we saw a new
1347         executable edge.  Drop test for all constants.
1348         (vrp_finalize): Free vrp_phi_edge_counts.
1349
1350         * doc/cpp.texi (Common Predefined Macros): Clarify description of
1351         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
1352
1353         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
1354         predecessors at head rather than tail.
1355
1356 2007-04-16  Matthias Klose  <doko@debian.org>
1357
1358         * config/alpha/linux.h (CPP_SPEC): Define.
1359         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
1360
1361 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
1362
1363         * function.h: Remove sequence_stack extern declaration.
1364
1365 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1366
1367         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
1368         TARGET_FIDOA.
1369         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
1370         defined.
1371
1372 2007-04-16  Anatoly Sokolov <aesok@post.ru>
1373
1374         * config/avr/avr.c (avr_arch_types): Rearranging  array.
1375         (enum avr_arch): Add.
1376         (avr_mcu_types): Use avr_arch enumeration constants instead of
1377         numbers.
1378         * config/avr/avr.h (LINK_SPEC): Simplify.
1379
1380 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1381
1382         * config/m68k/m68k.c (m68k_libcall_value,
1383         m68k_function_value): Use macros for register names more.
1384
1385         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
1386         instead.
1387         (M68K_REGNAME): Use A6_REG.
1388         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
1389
1390 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1391
1392         PR middle-end/28071
1393         * sched-int.h (struct deps): Split field 'pending_lists_length' into
1394         'pending_read_list_length' and 'pending_write_list_length'.  Update
1395         comment.
1396         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
1397         to handle two length counters instead of one.  Update all uses.
1398         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
1399         two length counters instead of one.
1400         * sched-rgn.c (propagate_deps): Update to handle two length counters
1401         instead of one.
1402
1403 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
1404
1405         PR target/31582
1406         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
1407         copy of source, pass it to ix86_expand_vector_set and return
1408         it as target.
1409
1410 2007-04-16  David Ung  <davidu@mips.com>
1411             Joseph Myers  <joseph@codesourcery.com>
1412
1413         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
1414         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
1415         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
1416         Add 74K processor information.
1417         * config/mips/mips.md: Include 74k.md.
1418         (cpu): Add 74kc,74kf,74kx.
1419         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
1420         * config/mips/74k.md: New.
1421         * doc/invoke.texi (MIPS Options): Document 74K support.
1422
1423 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
1424
1425         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
1426         vectorizable_* functions.
1427         * tree-vect-transform.c (vectorizable_call): Add check for
1428         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
1429         (vectorizable_store): likewise.
1430         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
1431         Add comments.
1432         (vectorizable_operation, vectorizable_type_demotion): Likewise.
1433         (vectorizable_type_promotion, vectorizable_load): Likewise.
1434         (vectorizable_live_operation, vectorizable_condition): Likewise.
1435         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
1436         STMT_VINFO_LIVE_P.
1437         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
1438
1439 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1440
1441         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
1442         register numbers more.
1443         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
1444         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
1445         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
1446         FUNCTION_VALUE_REGNO_P): Likewise.
1447         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
1448         STATIC_CHAIN_REGNUM): Likewise.
1449         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
1450         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
1451         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
1452         * config/m68k/m68k.md (FP_REG): New.
1453
1454 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1455
1456         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
1457         alignment on fido.
1458
1459 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1460
1461         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
1462         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
1463         comment typos.
1464
1465 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1466
1467         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
1468         cold loops.
1469
1470 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1471
1472         PR c/31520
1473         * c-decl.c (finish_decl): Grab the type of the decl after the call
1474         to store_init_value.
1475
1476 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
1477
1478         * common.opt (fforward-propagate): Fix "Optimization" annotation.
1479
1480 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
1481
1482         PR c++/25874
1483         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
1484         post dominators and cleanup cfg before returning.
1485
1486 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
1487
1488         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
1489         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
1490
1491 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
1492
1493         * config.gcc: Recognize fido.
1494         * config/m68k/m68k-devices.def (fidoa): New.
1495         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
1496         __mfido__.
1497         (FL_FIDOA, TARGET_FIDOA): New.
1498         * config/m68k/m68k.opt (mfidoa): New.
1499
1500 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1501
1502         PR middle-end/31322
1503         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
1504         when a personality function is used.
1505
1506 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
1507
1508         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
1509
1510 2007-04-13  Mike Stump  <mrs@apple.com>
1511
1512         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
1513         we can...
1514         * config/darwin.opt (fapple-kext): Make C++ only.
1515         * config/darwin.c (darwin_override_options): Remove code to ensure
1516         -fapple-kext is given for C++ only.
1517
1518 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
1519
1520         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
1521         * config/mips/mips.c (override_options): Call
1522         SUBTARGET_OVERRIDE_OPTIONS, if defined.
1523
1524 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1525
1526         * config/i386/i386.opt (msvr3-shlib): Removed.
1527
1528         * doc/invoke.texi: Remove -msvr3-shlib.
1529
1530 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1531
1532         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
1533         with "popcnt" instruction.
1534
1535 2007-04-13  Richard Guenther  <rguenther@suse.de>
1536
1537         PR tree-optimization/21258
1538         * tree-vrp.c (compare_case_labels): New helper.
1539         (find_switch_asserts): New function.
1540         (find_assert_locations): Call it for SWITCH_EXPRs.
1541
1542 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
1543
1544         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
1545         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
1546         check is now implied in X87_FLOAT_MODE_P.
1547         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1548         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1549         (fix_trunc<mode>_i386_fisttp): Ditto.
1550         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1551         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1552         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1553         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1554         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1555         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1556         (unnamed_splitters): Ditto.
1557         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
1558         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
1559         FIRST_SSE_REG for local functions when SSE math is enabled or
1560         for functions with sseregparm attribute.
1561         (standard_80387_constant_p): Return -1 if mode is not
1562         X87_FLOAT_MODE_P.
1563         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
1564         (ix86_expand_compare): Ditto.
1565         (ix86_expand_carry_flag_compare): Ditto.
1566         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
1567         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
1568         DECIMAL_FLOAT_MODE_P.
1569         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
1570         of SCALAR_FLOAT_MODE_P.
1571         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
1572         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
1573         checks before FLOAT_MODE_P.
1574         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
1575         before FLOAT_MODE_P.
1576         [DIV]: Ditto.
1577         [NEG]: Ditto.
1578         [ABS]: Ditto.
1579         [SQRT]: Ditto.
1580         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
1581
1582 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
1583             Charles Wilson  <libtool@cwilson.fastmail.fm>
1584
1585         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
1586         (libgcc.mvars): Don't depend on them.
1587         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
1588         * exec-tool.in: New.
1589
1590 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
1591
1592         * doc/invoke.text (--help): Document --help=common.
1593
1594 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
1595
1596         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
1597
1598 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1599
1600         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
1601         * genemit.c (main): Emit #include "integrate.h".
1602         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
1603         (LOADGP_RTP): New mips_loadgp_style.
1604         * config/mips/mips.h: Include config/vxworks-dummy.h.
1605         (TARGET_RTP_PIC): New macro.
1606         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
1607         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
1608         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
1609         for TARGET_RTP_PIC.
1610         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
1611         -mvxworks-pic when using -mrtp and a PIC option.
1612         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
1613         for RTP PIC.
1614         (mips_symbolic_constant_p, mips_symbolic_address_p)
1615         (mips_symbol_insns): Handle SYMBOL_HALF.
1616         (override_options): Warn about -G and -mrtp being used together.
1617         Initialize mips_lo_relocs[SYMBOL_HALF].
1618         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
1619         (mips_emit_loadgp): Handle LOADGP_RTP.
1620         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
1621         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
1622         (tablejump): Handle function-relative case table entries if
1623         TARGET_RTP_PIC.
1624         * config/mips/predicates.md (symbol_ref_operand): New predicate.
1625
1626 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1627
1628         * config/mips/mips.md (load_call<mode>): Allow any general register.
1629         destination.
1630         (sibcall_value_internal, sibcall_value_multiple_internal)
1631         (call_value_internal, call_value_split, call_value_multiple_internal)
1632         (call_value_multiple_split): Remove constraints from operand 0.
1633
1634 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1635
1636         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
1637         rather than loadgp_noshared.
1638         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
1639         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
1640         gen_loadgp.
1641         * config/mips/mips.md (loadgp): Rename to...
1642         (loadgp_newabi): ...this.
1643         (loadgp_noshared): Rename to...
1644         (loadgp_absolute): ...this.
1645
1646 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1647
1648         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
1649         false for locally-binding symbols.
1650         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
1651
1652 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1653
1654         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
1655         (SYMBOL_GOT_PAGE_OFST): ...this.
1656         (SYMBOL_GOT_GLOBAL): Rename to...
1657         (SYMBOL_GOT_DISP): ...this.
1658         (SYMBOL_GOTOFF_GLOBAL): Rename to...
1659         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
1660         * config/mips/mips.c (mips_global_symbol_p): New function.
1661         (mips_symbol_binds_local_p): Likewise.
1662         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
1663         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
1664         and mips_symbol_binds_local_p.
1665         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
1666         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
1667         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
1668         SYMBOL_GOTOFF_DISP.
1669         (mips_ok_for_lazy_binding_p): New function.
1670         (mips_load_call_address, mips_expand_call): Use it.
1671         (mips_dangerous_for_la25_p): Likewise.
1672         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
1673         (*got_disp<mode>): Use got_disp_operand instead of
1674         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
1675         SYMBOL_GOTOFF_GLOBAL.
1676         (*got_page<mode>): Use got_page_ofst_operand instead of
1677         local_got_operand.
1678         * config/mips/predicates.md (const_call_insn_operand): Use
1679         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
1680         (global_got_operand): Rename to...
1681         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
1682         SYMBOL_GOT_GLOBAL.
1683         (local_got_operand): Rename to...
1684         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
1685         of SYMBOL_GOT_LOCAL.
1686
1687 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1688
1689         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
1690         TARGET_CALL_CLOBBERED_GP.
1691         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1692         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
1693         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
1694         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
1695         of TARGET_ABICALLS && !TARGET_NEWABI.
1696         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1697         * config/mips/mips.c (mips_load_call_address): Check
1698         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
1699         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1700         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
1701         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
1702         TARGET_ABICALLS && TARGET_NEWABI.
1703         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
1704         TARGET_ABICALLS.
1705         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
1706         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
1707         TARGET_ABICALLS && TARGET_NEWABI.
1708         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
1709         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
1710         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
1711         whether indirect calls must use $25.
1712         (mips_extra_live_on_entry): Check TARGET_GOT instead of
1713         TARGET_ABICALLS.
1714         * config/mips/mips.md (jal_macro): Check flag_pic and
1715         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
1716         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
1717         instead of TARGET_ABICALLS.
1718         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
1719         TARGET_ABICALLS && TARGET_OLDABI.
1720         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1721         (sibcall): In the comment above the define_insn, mention
1722         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
1723         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
1724         instead of TARGET_ABICALLS.
1725
1726 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1727
1728         * doc/md.texi (Blackfin family constraints): Document PA and PB.
1729         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
1730         (MACFLAGS_MATCH_P): New macro.
1731         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
1732         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
1733         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
1734         the other MACFLAG constants.
1735         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
1736         (flag_machi): Tighten constraints.  Renumber some of the operands.
1737         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
1738         output template.
1739         (flag_machi_parts_acconly): New pattern.
1740         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
1741         used.
1742         (flag_macinit1hi): Tighten constraints.
1743         (flag_mul_macv2hi_parts_acconly): New pattern.
1744
1745         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
1746         Use a more efficient implementation.
1747         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
1748         inline sequences when not optimizing for size.
1749
1750         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
1751         movhi_high2low): Delete, merge functionality into...
1752         (packv2hi): ... this pattern.
1753
1754         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
1755         * config/bfin/bfin.opt (msim): New option.
1756         (mcpu=): New option.
1757         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
1758         (bfin_cpu_t): Typedef of enum bfin_cpu.
1759         (bfin_cpu_type): New declaration.
1760         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
1761         -msim and -mcpu= options.
1762         (LIB_SPEC): Likewise.
1763         * config/bfin/bfin.c (bfin_cpu_type): Define.
1764         (bfin_handle_option): Handle -mcpu= option.
1765         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
1766         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
1767         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
1768
1769 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1770
1771         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
1772         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
1773         (powerpc-wrs-vxworksae): Use ${tm_file}.
1774         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
1775         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
1776         * config/i386/vx-common.h: New file.
1777
1778 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1779
1780         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
1781         of crt0.o%s.
1782
1783 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1784
1785         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
1786         ldxtr.
1787
1788 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
1789
1790         PR c++/31078
1791         PR c++/31103
1792         * c-common.c (c_build_qualified_type): Set canonical type
1793         appropriately.
1794
1795 2007-04-12  Richard Guenther  <rguenther@suse.de>
1796
1797         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
1798         lower bound and element size if lower bound is not zero
1799         or either of the ARRAY_REF operands is set.
1800
1801 2007-04-12  Richard Guenther  <rguenther@suse.de>
1802
1803         PR tree-optimization/24689
1804         PR tree-optimization/31307
1805         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
1806         indices by value.
1807         * gimplify.c (canonicalize_addr_expr): To be consistent with
1808         gimplify_compound_lval only set operands two and three of
1809         ARRAY_REFs if they are not gimple_min_invariant.  This makes
1810         it never at this place.
1811         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
1812
1813 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1814
1815         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
1816         null before emitting a .nsubspa directive.
1817
1818 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
1819
1820         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
1821         need_to_partition_p if there are no memory statements in the
1822         function.
1823
1824 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1825
1826         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
1827         (gcd_of_steps_may_divide_p): New function.
1828         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
1829
1830 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1831
1832         * reload.c (find_reloads_toplev, find_reloads_address,
1833         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
1834         not a pointer equality test, to decide if we need to call
1835         push_reg_equiv_alt_mem.
1836
1837 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
1838
1839         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
1840         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
1841         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
1842
1843 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1844
1845         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
1846         vector to be positive.
1847
1848 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
1849
1850         PR 30735
1851         PR 31090
1852         * doc/invoke.texi: Document --params max-aliased-vops and
1853         avg-aliased-vops.
1854         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
1855         debug_memory_partitions): Move to tree-flow.h
1856         * params.h (AVG_ALIASED_VOPS): Define.
1857         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
1858         users.
1859         (mp_info_t): Likewise.
1860         (get_mem_sym_stats_for): New.
1861         (set_memory_partition): Move from tree-flow-inline.h.
1862         (mark_non_addressable): Only clear the set of symbols for the
1863         partition if it exists.
1864         (dump_memory_partitions): Move from tree-ssa-operands.c
1865         (debug_memory_partitions): Likewise.
1866         (need_to_partition_p): New.
1867         (dump_mem_ref_stats): New.
1868         (debug_mem_ref_stats): New.
1869         (dump_mem_sym_stats): New.
1870         (debug_mem_sym_stats): New.
1871         (update_mem_sym_stats_from_stmt): New.
1872         (compare_mp_info_entries): New.
1873         (mp_info_cmp): Call it.
1874         (sort_mp_info): Change argument to a list of mem_sym_stats_t
1875         objects.
1876         (get_mpt_for): Move from tree-ssa-operands.c.
1877         (find_partition_for): New.
1878         (create_partition_for): Remove.
1879         (estimate_vop_reduction): New.
1880         (update_reference_counts): New.
1881         (build_mp_info): New.
1882         (compute_memory_partitions): Refactor.
1883         Document new heuristic.
1884         Call build_mp_info, update_reference_counts,
1885         find_partition_for and estimate_vop_reduction.
1886         (compute_may_aliases): Populate virtual operands before
1887         calling debugging dumps.
1888         (delete_mem_sym_stats): New.
1889         (delete_mem_ref_stats): New.
1890         (init_mem_ref_stats): New.
1891         (init_alias_info): Call it.
1892         (maybe_create_global_var): Remove alias_info argument.
1893         Get number of call sites and number of pure/const call sites
1894         from gimple_mem_ref_stats().
1895         (dump_alias_info): Call dump_memory_partitions first.
1896         (dump_points_to_info_for): Show how many times a pointer has
1897         been dereferenced.
1898         * opts.c (decode_options): For -O2 set --param
1899         max-aliased-vops to 500.
1900         For -O3 set --param max-aliased-vops to 1000 and --param
1901         avg-aliased-vops to 3.
1902         * fortran/options.c (gfc_init_options): Remove assignment to
1903         MAX_ALIASED_VOPS.
1904         * tree-flow-inline.h (gimple_mem_ref_stats): New.
1905         * tree-dfa.c (dump_variable): Dump memory reference
1906         statistics.
1907         Dump NO_ALIAS* settings.
1908         (referenced_var_lookup): Tidy.
1909         (mem_sym_stats): New.
1910         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
1911         and ORIG are different SSA names for a memory partition.
1912         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
1913         * tree-flow.h (struct mem_sym_stats_d): Define.
1914         (mem_sym_stats_t): Define.
1915         (struct mem_ref_stats_d): Define.
1916         (struct gimple_df): Add field mem_ref_stats.
1917         (enum noalias_state): Define.
1918         (struct var_ann_d): Add bitfield noalias_state.
1919         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
1920         debug_mem_ref_stats, debug_memory_partitions,
1921         debug_mem_sym_stats): Declare.
1922         * tree-ssa-structalias.c (update_alias_info): Update call
1923         sites, pure/const call sites and asm sites in structure
1924         returned by gimple_mem_ref_stats.
1925         Remove local variable IS_POTENTIAL_DEREF.
1926         Increase NUM_DEREFS if the memory expression is a potential
1927         dereference.
1928         Call update_mem_sym_stats_from_stmt.
1929         If the memory references memory, call
1930         update_mem_sym_stats_from_stmt for all the direct memory
1931         symbol references found.
1932         (intra_create_variable_infos): Set noalias_state field for
1933         pointer arguments according to the value of
1934         flag_argument_noalias.
1935         * tree-ssa-structalias.h (struct alias_info): Remove fields
1936         num_calls_found and num_pure_const_calls_found.
1937         (update_mem_sym_stats_from_stmt): Declare.
1938         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
1939         Set default value to 100.
1940         (PARAM_AVG_ALIASED_VOPS): Define.
1941
1942 2007-04-11  Richard Guenther  <rguenther@suse.de>
1943
1944         PR middle-end/31530
1945         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
1946         a * -b + c as c - a * b if we honor sign dependent rounding.
1947
1948 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1949
1950         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
1951         bfin_expand_strmov.
1952         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
1953         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
1954         variables.
1955         (initialize_trampoline): Don't use old-style function definition.
1956         (bfin_secondary_reload): Mark IN_P argument as unused.
1957
1958 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
1959
1960         PR tree-optimization/31343
1961         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
1962         (build_polynomial_chrec): Return a scalar when the evolution is zero.
1963         * testsuite/gcc.dg/vect/pr31343.c: New.
1964
1965 2007-04-10  Eric Christopher  <echristo@apple.com>
1966
1967         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
1968         * config/i386/i386.md (*cmpfp0): Use.
1969         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1970         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1971         (fix_trunc<mode>_i386_fisttp): Ditto.
1972         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1973         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1974         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1975         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1976         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1977         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1978         (unnamed_splitters): Ditto.
1979         * config/i386/i386.c (output_fix_trunc): Assert that
1980         we're not being passed a TFmode operand.
1981
1982 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
1983
1984         PR tree-optimization/31526
1985         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
1986         n_basic_blocks to find newly added blocks.
1987
1988 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
1989
1990         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
1991         alternative.
1992         (fix_trunc<mode>si_sse): Ditto.
1993         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
1994         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
1995         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
1996         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
1997         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
1998         expander using SSEMODEF mode macro.
1999         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
2000         expander using SSEMODEF mode macro.
2001         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
2002         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
2003         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
2004         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
2005         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
2006         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
2007         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
2008         Macroize insn using X87MODEF mode macro.
2009
2010 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2011
2012         * config/i386/sse.md (sse2_pinsrw): Removed.
2013         (sse2_pextrw): Renamed to ...
2014         (*sse2_pextrw): This.
2015
2016 2007-04-09  Jan Hubicka  <jh@suse.cz>
2017
2018         PR target/27869
2019         * config/i386/sse.md
2020         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
2021         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
2022         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
2023         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
2024
2025 2007-04-09  Jan Hubicka  <jh@suse.cz>
2026
2027         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
2028         multiple fields of union.
2029
2030 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
2031
2032         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
2033         (create_preheaders): Check that loops are available.
2034         (fix_loop_structure): Clean up, improve comments.
2035         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
2036         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
2037         state flags.
2038         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
2039         * predict.c (tree_estimate_probability): Do not call
2040         calculate_dominance_info.  Call create_preheaders.
2041         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
2042         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
2043         flags.
2044         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
2045         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
2046         * tree-cfg.c (tree_split_edge): Make an assert more precise.
2047         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
2048         arguments.
2049
2050 2007-04-08  Jan Hubicka  <jh@suse.cz>
2051
2052         * tree.h (maybe_fold_offset_to_component_ref): Declare.
2053         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
2054         * fold-const.c (fold_unary): Use it.
2055
2056 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2057
2058         * varasm.c (assemble_variable): Remove call to
2059         lang_hooks.decls.prepare_assemble_variable.
2060         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
2061         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
2062         * langhooks.h (lang_hooks_for_decls): Remove
2063         prepare_assemble_variable.
2064
2065 2007-04-08  Mike Stump  <mrs@apple.com>
2066
2067         * config/i386/i386.c: Use inc/dec on Core2.
2068
2069 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
2070
2071         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
2072         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2073         lhd_tree_inlining_end_inlining): Remove.
2074         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
2075         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
2076         end_inlining hooks.
2077         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
2078         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2079         lhd_tree_inlining_end_inlining): Remove prototypes.
2080         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
2081         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
2082         LANG_HOOKS_TREE_INLINING_START_INLINING,
2083         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
2084
2085         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
2086         not set it.
2087
2088 2007-04-08  Anatoly Sokolov <aesok@post.ru>
2089
2090         PR target/29932
2091         * config/avr/predicates.md (io_address_operand): Delete predicate.
2092         (low_io_address_operand): Don't use 'mode' argument.
2093         (higth_io_address_operand): Rename ...
2094         (high_io_address_operand): ... to this. Don't use 'mode' argument.
2095         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
2096         for above change.
2097
2098 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
2099
2100         Revert change removing staticp.
2101
2102 2007-04-07  Anatoly Sokolov <aesok@post.ru>
2103
2104         PR target/30289
2105         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
2106         earlyclobber.
2107
2108 2007-04-07  Bruce Korb  <bkorb@gnu.org>
2109
2110         * c.opt: Add -Wformat-contains-nul.
2111         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
2112           -Wformat setting.
2113         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
2114         the NUL byte warning.
2115
2116 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
2117
2118         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
2119
2120 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2121
2122         * tree.c (staticp): No longer use staticp langhook.
2123         * langhooks.c (lhd_staticp): Removed.
2124         * langhooks.h (struct lang_hooks): Remove staticp.
2125         * c-common.c (c_staticp): Remove.
2126         * c-common.h (c_staticp): Ditto.
2127         * langhooks-defs.h (lhd_staticp): Ditto.
2128         (LHD_HOOKS_STATICP): Ditto
2129         * tree.h (gcc_assert_lowered): New macro.
2130
2131 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
2132
2133         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
2134         argument "reliable".
2135         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
2136         Add argument "reliable".  Propagate it through calls.
2137         (infer_loop_bounds_from_undefined):  Derive number of iterations
2138         estimates from references in blocks that do not dominate loop latch.
2139         (gcov_type_to_double_int): New function.
2140         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
2141         and expected_loop_iterations_unbounded.
2142         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
2143         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
2144         * tree-data-ref.c (estimated_loop_iterations): Export.
2145         (get_references_in_stmt): Fix -- do not return addresses of local
2146         objects.
2147         * cfgloop.h (expected_loop_iterations_unbounded,
2148         estimated_loop_iterations): Declare.
2149
2150 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
2151
2152         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
2153
2154 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2155
2156         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
2157         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
2158         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
2159         Use output_387_reg_move().
2160         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
2161         expander using X87MODEF12 mode macro.
2162         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
2163         choosing register preferences.  Use output_387_reg_move().
2164         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
2165         instead of "x".  Use output_387_reg_move().
2166         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
2167         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
2168         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
2169         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
2170         Use output_387_reg_move().
2171         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
2172         mode macro.
2173         (*truncxf?f_i387 splitter): Ditto.
2174
2175 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2176
2177         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
2178         LANG_HOOKS_SAFE_FROM_P.
2179         * expr.c (safe_from_p): Remove langhook call.
2180         * langhooks.h (lang_hooks): Remove safe_from_p.
2181         (lhd_safe_from_p): Remove prototype.
2182         * langhooks.c (lhd_safe_from_p): Remove.
2183
2184 2007-04-06  Jan Hubicka  <jh@suse.cz>
2185
2186         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
2187         functions.
2188
2189 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2190
2191         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
2192         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
2193         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
2194         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
2195         alternative.
2196         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
2197         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
2198
2199 2007-04-05  Richard Henderson  <rth@redhat.com>
2200
2201         * config/alpha/alpha.c (print_operand) [+]: Remove.
2202         (alpha_end_function): Print nop if call at end of function.
2203         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
2204         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
2205         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
2206         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
2207         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
2208         the call pattern. Update peepholes to match.
2209
2210 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
2211
2212         * doc/extend.texi (Other Builtins): Add decimal float variants
2213         of signbit.
2214         * builtins.def: Ditto.
2215         * builtins.c (expand_builtin): Ditto.
2216
2217 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
2218             H.J. Lu  <hongjiu.lu@intel.com>
2219
2220         PR target/31478
2221         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
2222         of V8HImode when calling ix86_binary_operator_ok.
2223         (sse2_pmaddwd): Call ix86_binary_operator_ok.
2224         (sdot_prodv8hi): Operands 1 and 2 must be register.
2225
2226 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2227
2228         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
2229         initialize align to silence bogus warning.
2230
2231 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2232
2233         PR middle-end/22156
2234         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
2235         all_no_warning.
2236         (struct sra_walk_fns): Remove use_all parameter from use.
2237         (sra_hash_tree): Handle BIT_FIELD_REFs.
2238         (sra_elt_hash): Don't hash bitfld blocks.
2239         (sra_elt_eq): Skip them in parent compares as well.  Handle
2240         BIT_FIELD_REFs.
2241         (sra_walk_expr): Don't maintain or pass down use_all_p.
2242         (scan_use): Remove use_all parameter.
2243         (scalarize_use): Likewise.  Re-expand assignment to
2244         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
2245         output, and re-scalarize after output.  Don't mark anything
2246         for no warning.
2247         (scalarize_ldst): Adjust.
2248         (scalarize_walk_gimple_modify_statement): Likewise.
2249         (build_element_name_1): Handle BIT_FIELD_REFs.
2250         (instantiate_element): Don't warn for any element whose parent
2251         is used as a whole.
2252         (instantiate_missing_elements_1): Return the sra_elt.
2253         (canon_type_for_field): New.
2254         (try_instantiate_multiple_fields): New.
2255         (instantiate_missing_elemnts): Use them.
2256         (mark_no_warning): Removed.
2257         (generate_one_element_ref): Handle BIT_FIELD_REFs.
2258         (REPLDUP, sra_build_elt_assignment): New.
2259         (generate_copy_inout): Use them.
2260         (generate_element_copy): Likewise.  Handle bitfld differences.
2261         (generate_element_zero): Don't recurse for blocks.  Use
2262         sra_build_elt_assignment.
2263         (generate_one_element_int): Take elt instead of var.  Use
2264         sra_build_elt_assignment.
2265         (generate_element_init_1): Adjust.
2266         (scalarize_use, scalarize_copy): Use REPLDUP.
2267         (scalarize_ldst): Move assert before dereference.
2268         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
2269
2270 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2271
2272         * regmove.c: Fix unused variable warnings due to previous commit.
2273
2274 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2275
2276         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
2277         (regmove_bb_head): Remove.
2278         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
2279         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
2280         problems with fixup_match_1.
2281         Don't initialize/free regmove_bb_head.
2282
2283         (reg_is_remote_constant_p): If an insn is in the same basic block
2284         but not before INSN, consider it remote, too.
2285
2286 2007-04-05  Anatoly Sokolov <aesok@post.ru>
2287
2288         PR target/25448
2289         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
2290         DECL_ASSEMBLER_NAME, not the DECL_NAME.
2291
2292 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
2293
2294         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
2295         (CONDITIONAL_REGISTER_USAGE): Likewise.
2296
2297 2007-04-04  Richard Henderson  <rth@redhat.com>
2298
2299         * config/alpha/lib1funcs.asm: Remove unused file.
2300
2301 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2302
2303         PR other/31356
2304         * opts.c (print_specific_help): Fix --help=<language>
2305         header line.
2306         (common_handle_option): Support --help=common.
2307
2308 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2309
2310         PR other/31353
2311         * gcc.c (main): Do not run the linker if
2312         print_subprocess_help indicates that it shouldn't be
2313         run.
2314
2315 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2316
2317         PR doc/31355
2318         * doc/invoke.texi (--help=): Document <languages> value, fix
2319         formatting in tables of values.
2320
2321 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
2322
2323         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
2324         dllimport attribute of virtual methods.
2325
2326 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
2327
2328         * config/score/crti.asm: Change _bss_start to __bss_start.
2329         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
2330         (OUTGOING_REG_PARM_STACK_SPACE) update.
2331         * config/score/score.opt: add options to make backend support
2332         score5, score5u, score7 and score7d.
2333         * config/score/score.md: Likewise.
2334         * config/score/misc.md: Likewise.
2335         * config/score/mac.md: Likewise.
2336         * doc/invoke.texi: Likewise.
2337         * doc/md.texi: update constraints define.
2338
2339 2007-04-03  Richard Henderson  <rth@redhat.com>
2340
2341         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
2342         an appropriate type, use the mode instead.
2343
2344 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
2345
2346         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
2347         Set the default --with-arch setting to mips2.
2348         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
2349         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
2350         (MULTILIB_OSDIRNAMES): Delete.
2351         (MULTILIB_DIRNAMES): Define.
2352         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
2353         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
2354         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
2355         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
2356         VXWORKS_OS_CPP_BUILTINS.
2357         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
2358         (MIPS_DEBUGGING_INFO): Undefine.
2359         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
2360
2361 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
2362
2363         PR middle-end/30704
2364         * fold-const.c (native_encode_real): Encode real.c provided longs
2365         as a series of 32-bit native integers.
2366         (native_interpret_real): Interpret buffer as a series of 32-bit
2367         native integers.
2368
2369 2007-04-03  Richard Guenther  <rguenther@suse.de>
2370
2371         * genpreds.c (write_insn_constraint_len): Write function
2372         optimized for CONSTRAINT_LEN implementation.
2373         (write_tm_preds_h): Output insn_constraint_len inline and
2374         use it for CONSTRAINT_LEN.
2375         (write_insn_preds_c): Don't output insn_constraint_len.
2376         * doc/md.texi (define_register_constraint): Document multi-letter
2377         constraints shall have the same length if they start with the same
2378         letter.
2379
2380 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2381
2382         PR target/31175
2383         * config/i386/i386.md (isinf<mode>2): Expand only when
2384         TARGET_C99_FUNCTIONS is set.
2385
2386 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2387
2388         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
2389         (x86_64-*-linux*): Ditto.
2390         * config/i386/i386.opt (mpc): New option.
2391         * config/i386/i386.c (overrride_options): Handle
2392         ix87_precision_string.
2393         * config/i386/crtprec.c: New file.
2394         * config/i386/t-crtpc: Ditto.
2395         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
2396         and -mpc80 options.
2397         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
2398         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2399         crtprec32.o, crtprec64.o and crtprec80.o.
2400
2401         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
2402         and -mpc80 options.
2403         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
2404
2405 2007-04-02  Eric Christopher  <echristo@apple.com>
2406
2407         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
2408         limitations on darwin.
2409
2410 2007-04-02  Anatoly Sokolov <aesok@post.ru>
2411
2412         PR target/31137
2413         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
2414
2415 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2416
2417         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
2418
2419 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2420
2421         * libgcc2.h (exception_descriptor): Don't forward-declare.
2422         (__get_eh_table_language, __get_eh_table_version): Delete
2423         prototypes of long-dead functions.
2424
2425 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
2426
2427         * ebitmap.h: New file
2428         * ebitmap.c: New file
2429         * Makefile.in (ebitmap.o): New target.
2430
2431 2007-04-01  Jan Hubicka  <jh@suse.cz>
2432
2433         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
2434         before very first instruction.
2435
2436 2007-04-01  Jan Hubicka  <jh@suse.cz>
2437
2438         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
2439         waring on 64bit hosts.
2440         * bitmap.h: Fix typo in bitmap_head_def.
2441
2442 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2443
2444         PR rtl-optimization/31391
2445         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
2446         into a DELETED_LABEL note, and the label is in an empty basic
2447         block, update BB_END as well as BB_HEAD.
2448
2449 2007-04-01  Richard Henderson  <rth@redhat.com>
2450
2451         PR tree-optimization/31169
2452         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
2453         to varying if the range is outside [0,  prec-1].
2454
2455 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
2456
2457         PR target/31388
2458         * config/mips/mips.md (load_const_gp): New insn.
2459         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
2460         the MIPS16 GP pseudo register if no_new_pseudos.
2461         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
2462
2463 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2464
2465         PR target/31364
2466         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
2467         secureplt.
2468         (call_value): Likewise.
2469
2470 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
2471             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2472
2473         PR 14737
2474         * doc/invoke.texi: (optimization options): Reword description
2475         of -ffast-math. Document its primary purpose.
2476
2477 2007-03-31  Richard Guenther  <rguenther@suse.de>
2478
2479         * omp-low.c (splay-tree.h): Include.
2480         (lookup_decl): Replace splay-tree usage by pointer-map.
2481         (maybe_lookup_decl): Likewise.
2482         (new_omp_context): Likewise.
2483         (delete_omp_context): Likewise.
2484         * gimplify.c (splay-tree.h): Include.
2485         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
2486         pointer-map.
2487         (remap_ssa_name): Likewise.
2488         (remap_decl): Likewise.
2489         (remap_type_1): Likewise.
2490         (remap_type): Likewise.
2491         (copy_body_r): Likewise.
2492         (expand_call_inline): Likewise.
2493         (clone_body): Likewise.
2494         (copy_tree_r): Likewise.
2495         (remap_save_expr): Likewise.
2496         (unsave_r): Likewise.
2497         (unsave_expr_now): Likewise.
2498         (tree_function_versioning): Likewise.
2499         (build_duplicate_type): Likewise.
2500         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
2501         (struct copy_body_data): Replace splay-tree by pointer-map.
2502         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
2503         not $(SPLAY_TREE_H).
2504         (gimplify.o): Depend on $(SPLAY_TREE_H).
2505         (omp-low.p): Likewise.
2506
2507 2007-03-31  Anatoly Sokolov <aesok@post.ru>
2508
2509         * config/avr/predicates.md (even_register_operand,
2510         odd_register_operand): New predicates.
2511         * config/avr/avr.md (movw peephole2): New.
2512         (movw_r peephole2): New.
2513
2514 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
2515
2516         * tree.h (get_signed_or_unsigned_type): New.
2517         * fold-const.c (operand_equal_for_comparison_p): Use
2518         get_signed_or_unsigned_type instead of
2519         lang_hooks.types.signed_or_unsigned_type.
2520         * expr.c (store_expr): Ditto.
2521         * langhooks.c (get_signed_or_unsigned_type): New.
2522         (lhd_signed_or_unsigned_type): New.
2523         * langhooks.h (lhd_signed_or_unsigned_type): New.
2524         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
2525
2526 2007-03-30  Richard Henderson  <rth@redhat.com>
2527
2528         * tree-ssa-loop-ivopts.c: Include target.h.
2529         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
2530         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
2531         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
2532         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
2533
2534 2007-03-30  Richard Henderson  <rth@redhat.com>
2535             Kai Tietz  <kai.tietz@onevision.com>
2536
2537         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
2538         default for 64-bit.
2539         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
2540         (TARGET_64BIT_MS_ABI): New.
2541         (DBX_REGISTER_NUMBER): Handle 64-bit.
2542         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
2543         (LONG_TYPE_SIZE): Force to 32.
2544         (REG_PARM_STACK_SPACE): New.
2545         (OUTGOING_REG_PARM_STACK_SPACE): New.
2546         (REGPARM_MAX, SSE_REGPARM_MAX): New.
2547         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2548         (STACK_BOUNDARY): Use 128 for 64-bit.
2549         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
2550         Add 64-bit implementation.
2551         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
2552         argument unused.
2553         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
2554         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
2555         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
2556         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
2557         (ix86_handle_cconv_attribute): Don't warn when ignoring if
2558         TARGET_64BIT_MS_ABI.
2559         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
2560         (ix86_pass_by_reference): Likewise.
2561         (ix86_function_value_regno_p): Likewise.
2562         (ix86_build_builtin_va_list): Likewise.
2563         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2564         (function_arg_advance_ms_64): New.
2565         (function_arg_advance): Call it.
2566         (function_arg_ms_64): New.
2567         (function_arg): Call it.
2568         (function_value_ms_64): New.
2569         (ix86_function_value_1): Call it.
2570         (return_in_memory_ms_64): New.
2571         (ix86_return_in_memory): Call it.
2572         (setup_incoming_varargs_ms_64): New.
2573         (ix86_setup_incoming_varargs): Call it.
2574         (ix86_expand_prologue): Handle 64-bit stack probing.
2575         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
2576         (output_pic_addr_const): Likewise.
2577         (x86_this_parameter): Likewise.
2578         (x86_output_mi_thunk): Likewise.
2579         (x86_function_profiler): Likewise.
2580         (TARGET_STRICT_ARGUMENT_NAMING): New.
2581         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
2582         (TARGET_64BIT_MS_ABI): New.
2583         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
2584         * config/i386/i386.md (allocate_stack_worker): Remove.
2585         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
2586         describe the clobber of eax without a match_scratch.
2587         (allocate_stack_worker_postreload): Remove.
2588         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
2589         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
2590         (allocate_stack_worker_rex64_postreload): Remove.
2591         (allocate_stack): Handle 64-bit.
2592         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
2593         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
2594         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
2595         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
2596         (STANDARD_STARTFILE_PREFIX_1): Likewise.
2597         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
2598         * config.build (x86_64-*-mingw*): New host.
2599         * config.host (x86_64-*-mingw*): New host.
2600         * config.gcc (x86_64-*-mingw*): New target.
2601         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
2602
2603 2007-03-30  Richard Henderson  <rth@redhat.com>
2604             Kai Tietz  <kai.tietz@onevision.com>
2605
2606         * c-pragma.c (struct def_pragma_macro_value): New.
2607         (struct def_pragma_macro): New.
2608         (pushed_macro_table): New.
2609         (dpm_hash, dpm_eq): New.
2610         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
2611         (init_pragma): Install them.
2612         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2613
2614 2007-03-30  Anatoly Sokolov <aesok@post.ru>
2615
2616         * config/avr/avr.c (avr_override_options): Clear
2617         'flag_delete_null_pointer_checks'.
2618
2619 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
2620
2621         PR c++/26099
2622         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
2623         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
2624         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
2625         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
2626         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
2627         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
2628         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
2629         C++ extensions.
2630         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
2631
2632 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
2633
2634         * regmove.c: Move all of pass_stack_adjustments from here...
2635         * combine-stack-adj.c: ...to this new file.
2636         * Makefile.in: Add rules for combine-stack-adj.o.
2637
2638 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
2639
2640         PR tree-optimization/31383
2641         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
2642         to have the same length.
2643
2644 2007-03-30  Jan Hubicka  <jh@suse.cz>
2645
2646         PR middle-end/30700
2647         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
2648         availablility; add more sanity checking; ask varpool only about
2649         VAR_DECL.
2650
2651 2007-03-29  Richard Henderson  <rth@redhat.com>
2652
2653         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
2654         to decide, but __SIZEOF_LONG_LONG__.
2655
2656 2007-03-29  Richard Henderson  <rth@redhat.com>
2657
2658         * emutls.c (struct __emutls_array): New.
2659         (emutls_destroy): Use it instead of casting element 0 from void*.
2660         (__emutls_get_address): Likewise.
2661
2662 2007-03-29  Richard Henderson  <rth@redhat.com>
2663
2664         * varasm.c (initializer_constant_valid_p): Don't deny
2665         DECL_DLLIMPORT_P on functions.
2666
2667         * config/i386/cygming.h: Remove function declarations.
2668         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
2669         (ASM_OUTPUT_LABELREF): Remove.
2670         (COMMON_ASM_OP): Remove.
2671         (ASM_OUTPUT_COMMON): Remove.
2672         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
2673         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
2674         (ASM_DECLARE_FUNCTION_NAME): Likewise.
2675         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
2676         Rename from TARGET_ENCODE_SECTION_INFO.
2677         * config/i386/netware.h: Likewise.
2678         * config/i386/i386-protos.h: Update.
2679         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
2680         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
2681         (legitimate_constant_p): Reject dllimports.
2682         (dllimport_map, get_dllimport_decl): New.
2683         (legitimize_dllimport_symbol): New.
2684         (legitimize_address, ix86_expand_move): Use it.
2685         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
2686         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
2687         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
2688         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
2689         * config/i386/predicates.md (constant_call_address_operand): Only
2690         accept symbols; reject dllimport_p symbols.
2691         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
2692         i386_pe_maybe_record_exported_symbol.
2693         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
2694         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
2695         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
2696         trust the setting of DECL_DLLIMPORT_P.
2697         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
2698         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
2699         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
2700         tidy the argument scanning loop.
2701         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
2702         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
2703         (i386_pe_strip_name_encoding): Remove.
2704         (i386_pe_binds_local_p): New.
2705         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
2706         (i386_pe_output_labelref): Remove.
2707         (i386_pe_asm_output_aligned_decl_common): New.
2708         (i386_pe_maybe_record_exported_symbol): Rename from
2709         i386_pe_record_exported_symbol; check for dllexported symbols.
2710
2711 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
2712
2713         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
2714         add comment explaining why vsnprintf cannot be used.
2715
2716 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
2717
2718         PR tree-optimization/30666
2719         * tree.c (build_complex_type): When creating type names for DWARF2
2720         debug info, create TYPE_DECLs for TYPE_NAME instead of
2721         IDENTIFIER_NODEs.
2722         (build_common_tree_nodes_2): Use build_complex_type when building
2723         predefined complex types, to preserve canonical types.
2724
2725 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
2726
2727         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
2728         (noce_get_alt_condition): Look at it to determine whether to
2729         reverse the condition or not.
2730         (noce_get_condition): Substitute the truth for lies.
2731         (noce_find_if_block): Set the then_else_reversed field.
2732
2733 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
2734
2735         * config/fr30/fr30.md (movdi): Do not accept immediates as the
2736         destination of this insn.
2737         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
2738         than calling gen_rtx_SET directly.  Use r0 to hold the value of
2739         'address + 4' rather than a stack based temporary which can be
2740         mis-optimized away.
2741
2742 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2743
2744         * config/s390/s390.c (s390_secondary_input_reload_class,
2745         s390_secondary_output_reload_class): Functions removed.
2746         (s390_secondary_reload): New function.
2747         (TARGET_SECONDARY_RELOAD): Target macro defined.
2748         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
2749         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
2750         * config/s390/s390.md ("reload_outti", "reload_outdi",
2751         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
2752         "reload_out<mode>"): Expanders removed.
2753         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
2754         "reload<mode>_nonoffmem_out"): Expanders added.
2755
2756 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2757
2758         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
2759         SRC->DEST replacement failed anyway.
2760
2761 2007-03-28  Mike Stump  <mrs@apple.com>
2762
2763         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
2764         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
2765         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
2766
2767 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2768
2769         * config.gcc: Accept barcelona as a variant of amdfam10.
2770         * config/i386/i386.c (override_options): Likewise.
2771         * doc/invoke.texi: Likewise.
2772
2773 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
2774
2775         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
2776         offsets for BIT_FIELD_REF and COMPONENT_REF.
2777
2778 2007-03-28  Richard Guenther  <rguenther@suse.de>
2779
2780         * tree.c (is_global_var): Move ...
2781         * tree-flow-inline.h (is_global_var): ... here.
2782         * tree.h (is_global_var): Remove declaration.
2783
2784 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
2785
2786         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
2787         option.
2788         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
2789         * config/i386/i386.c (ix86_tune_features): Initialize new
2790         tuning option.
2791         * config/i386/predicates.md (promotable_binary_operator): Use
2792         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
2793
2794 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
2795
2796         PR target/31380
2797         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
2798
2799 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
2800
2801         * config/fr30/fr30.md (movsi_internal): Change destination
2802         constraint from m to V and add m to the end.
2803
2804 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2805
2806         * config/sh/sh.md (movsi_i): Fix type attribute.
2807
2808 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2809
2810         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
2811         (movsf_ie): Likewise.
2812
2813 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2814
2815         * config.gcc: Add sh4-300 to multilib.
2816         * config/sh/t-mlib-sh4-300: New file.
2817
2818 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
2819
2820         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
2821         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
2822         fix_trunc<mode>di2.
2823         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
2824         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
2825         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
2826         "fixuns_trunctddi2"): Whitespace fix.
2827
2828 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2829
2830         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
2831         the definition of struct sh_args.
2832         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
2833         CALL_COOKIE_INT_REG_GET): Likewise.
2834
2835 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
2836
2837         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
2838         transformations are applied successfully.
2839
2840 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
2841
2842         * tree.c (tree_contains_struct): Permit 512 tree codes.
2843         * tree.h (tree_contains_struct): Ditto.
2844         (MAX_TREE_CODES): Ditto.
2845         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
2846         SPARE member to store remaining padding bits.
2847
2848 2007-03-27  Anatoly Sokolov <aesok@post.ru>
2849
2850         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
2851         architecture.
2852
2853 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
2854
2855         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
2856         * configure: Regenerate.
2857
2858         * configure: Regenerate using the correct version of autoconf.
2859
2860 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
2861
2862         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
2863         pointer regs.
2864         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
2865         regs to "__SP_L__" and "__SP_H__".
2866
2867 2007-03-27  Richard Guenther  <rguenther@suse.de>
2868
2869         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
2870         computations with it with a HOST_WIDE_INT variable.
2871
2872 2007-03-26  Mike Stump  <mrs@apple.com>
2873
2874         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
2875         objective-c-header, objective-c++-header and objc++-cpp-output
2876         support.
2877         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
2878
2879 2007-03-26  Richard Henderson  <rth@redhat.com>
2880
2881         PR target/31361
2882         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
2883         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
2884         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
2885         IX86_BUILTIN_PSRLQ128): New.
2886         (ix86_init_mmx_sse_builtins): Add them.
2887         (ix86_expand_builtin): Expand them.
2888         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
2889         operand 2 be TImode.
2890         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
2891         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
2892         _mm_srli_epi64): Mark __B const.
2893         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
2894         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
2895         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
2896         new two-vector shift builtins.
2897
2898 2007-03-26  Ian Lance Taylor  <iant@google.com>
2899
2900         PR tree-optimization/31345
2901         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
2902         [+INF, +INF(OVF)] into VARYING.
2903
2904 2007-03-26  Zack Weinberg  <zackw@panix.com>
2905
2906         * gengtype-parse.c: New file.
2907         * gengtype-yacc.y: Delete.
2908         * gengtype-lex.l: Don't include gengtype-yacc.h.
2909         Define YY_DECL and yyterminate appropriately for recursive
2910         descent parser.  yylval is now a string out-parameter to yylex.
2911         (HWS, EOID): New shorthand.
2912         (IWORD): Add a couple more types.
2913         (yylex): Add a setup stanza.  Remove the complex rules for
2914         detecting GTY'ed types and typedefs; replace with simple
2915         keyword detectors.  Adjust everything for the changed
2916         definition of yylval.  Ignore all pp-directives, not just #define.
2917         (yyerror): Delete.
2918         (parse_file): Rename yybegin; do not call yyparse.
2919         (yyend): New.
2920         * gengtype.c (xasprintf): Export again.
2921         (this_file): New.  Use everywhere __FILE__ was being used.
2922         (get_lang_bitmap): Special case types defined in gengtype.c.
2923         (do_typedef, new_structure): Suppress definition of certain types.
2924         (new_structure): Improve diagnostics of duplicate definitions.
2925         Make sure location_s is associated with input.h.
2926         (nreverse_pairs, define_location_structures): New functions.
2927         (main): Improve tagging of kludge types.  Remove old kludges
2928         for input.h types; use define_location_structures.
2929         * gengtype.h: Update prototypes.  Define token codes here.
2930         * Makefile.in: Remove all references to gengtype-yacc.
2931         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
2932         and gengtype.
2933         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
2934         add GTY((skip)) to the field that's only conditionally there.
2935         * doc/install.texi: Document that Bison is no longer required
2936         unless building treelang.
2937
2938         * gengtype.c: Don't include gtyp-gen.h.
2939         (srcdir): Declare here.
2940         (base_files, lang_dir_names): Allocate dynamically.
2941         (gt_files, num_gt_files, num_lang_dirs): New globals.
2942         (measure_input_list, read_input_line, read_input_list)
2943         (set_lang_bitmap): New functions.
2944         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
2945         simplify, relying on read_input_list to set up the bitmaps.
2946         (main): Arguments are no longer unused.  Check for correct number
2947         of command line arguments, set srcdir and srcdir_len, then call
2948         read_input_list, before doing anything else.  No need to worry
2949         about duplicates in main loop.
2950         * configure.ac: Simplify the calculation of all_gtfiles.
2951         Put language tags in there.  Don't set or substitute
2952         all_gtfiles_files_langs or all_gtfiles_files_frags.
2953         * Makefile.in: Revamp the way gengtype is invoked, now that it
2954         takes a file on its command line with a much simpler format.
2955         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
2956         (GTFILES): Remove duplicates and C source files.
2957         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
2958         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
2959         * configure: Regenerate.
2960
2961         * gengtype.h: Remove all type definitions to gengtype.c; leave
2962         only definitions of options_p, type_p, and pair_p as opaque
2963         pointers.  Update prototypes.
2964         * gengtype.c: Many type definitions moved here from gengtype.h.
2965         Consolidate type definitions at the top of the file.
2966         (xvasprintf): Delete.
2967         (xasprintf): Make static.
2968         (create_nested_pointer_option): Add 'next' parameter.
2969         (create_field_all, create_field_at): New functions.
2970         (create_field): Now a thin wrapper around create_field_all.
2971         (create_optional_field): Rename create_optional_field_ and add
2972         line argument.  Original name is now a macro which supplies
2973         __LINE__.
2974         (oprintf): Use vsnprintf directly.
2975         (close_output_files): Use fatal rather than perror/exit.
2976         (note_def_vec, note_def_vec_alloc): Use create_field_at.
2977         (main): Set progname.  Don't use exit.
2978         * gengtype-yacc.y (struct_fields): Use create_field_at.
2979         (option, optionseqopt): Delete.
2980         (optionseq): Consolidate productions from option here so we
2981         can use the first argument to create_option.
2982
2983         * gengtype-lex.l: Distinguish unions from structures in the
2984         token type.  Don't call find_structure; return the tag as a string.
2985         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
2986         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
2987         Reorganize typedef_struct production accordingly.
2988         Use create_nested_ptr_option.
2989         * gengtype.c (create_nested_ptr_option): New function.
2990         * gengtype.h: Declare it.
2991
2992         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
2993         (string_type): Don't declare.
2994         (do_scalar_typedef): Declare.
2995         (create_scalar_type): Update prototype.
2996         * gengtype.c (string_type): Make static.
2997         (scalar_nonchar, scalar_char): New.
2998         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
2999         (resolve_typedef): Use scalar_nonchar for error recovery.
3000         (create_scalar_type): Remove name_len field.  Return scalar_char
3001         or scalar_nonchar as appropriate.
3002         (adjust_field_type): Look at scalar_is_char boolean to decide whether
3003         to use string_type.
3004         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
3005         whenever possible.
3006         (main): Initialize scalar_char and scalar_nonchar before calling
3007         gen_rtx_next.
3008         * gengtype-lex.l: Adjust for removal of second argument to
3009         create_scalar_type.  Use yylval.s instead of yylval.t when
3010         returning SCALAR.
3011         * gengtype-yacc.y: Type of SCALAR is string.  Call
3012         create_scalar_type from type:SCALAR rule.  Adjust for removal of
3013         second argument to create_scalar_type.
3014
3015         * vec.h: Remove all #if IN_GENGTYPE blocks.
3016         Add comment saying that changes may require adjustments to gengtype.
3017         * gengtype.c: Don't include coretypes.h or tm.h.
3018         Add comment to inclusion of errors.h.
3019         (note_def_vec, note_def_vec_alloc): New functions.
3020         * gengtype.h: Declare new functions.
3021         * gengtype-lex.l: Don't include coretypes.h.
3022         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
3023         Delete.
3024         (update_lineno): Remove unnecessary prototype.
3025         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
3026         (VEC rule): Just return VEC_TOKEN.
3027         * gengtype-yacc.y (VEC_TOKEN): New token type.
3028         (type): Add a production for VEC(a,b).
3029         * Makefile.in: Update dependencies.
3030
3031         * gengtype-lex.l: Remove rules for parsing pointer-to-function
3032         typedefs that use the old PARAMS macro.
3033
3034         * gengtype-lex.l: Remove all rules and states relating to yacc
3035         input files.
3036         * gengtype-yacc.y: Similarly.
3037         * gengtype.c (note_yacc_type): Delete function.
3038         * gengtype.h: Update prototypes.
3039
3040 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
3041
3042         * tree-pretty-print.c (dump_generic_node): Report precision of
3043         unnamed integer types.
3044
3045 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
3046
3047         * ifcvt.c (noce_try_store_flag_constants): Don't check
3048         no_new_pseudos here.
3049         (noce_try_store_flag_constants): Don't check no_new_pseudos.
3050         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
3051         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
3052         noce_try_sign_mask): Likewise.
3053         (if_convert): Check no_new_pseudos here.
3054
3055         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
3056         Remove prototypes.
3057         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
3058         (noce_get_condition): Handle new then_else_reversed argument.
3059         (noce_init_if_info): Remove, fold into noce_find_if_block.
3060         (noce_process_if_block): Take a struct noce_if_info as the
3061         argument.  Don't set up one based on ce_if_info.  Update pointer
3062         references accordingly.
3063         (cond_move_process_if_block): Likewise.
3064         (process_if_block): Removed.
3065         (find_if_block): Removed.  Move functionality two new functions,
3066         noce_find_if_block and cond_exec_find_if_block.
3067         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
3068         blocks and the symmetric IF-ELSE-JOIN case.
3069         (cond_exec_find_if_block): Also new function mostly based on old
3070         find_if_block and process_if_block.
3071         (find_if_header): Replace find_if_block call with separately
3072         guarded calls to noce_find_if_block and cond_exec_find_if_block.
3073         (find_cond_trap): Update noce_get_condition call.
3074         (dead_or_predicable): Likewise.
3075
3076 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
3077
3078         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
3079         Remove.
3080         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
3081         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
3082         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
3083         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
3084         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
3085         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
3086         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
3087         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
3088         __builtin_ia32_psrad128 builtins.
3089
3090 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
3091
3092         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
3093         * config/i386/constraints.md
3094         (define_constraint "I"): Use IN_RANGE macro.
3095         (define_constraint "J"): Ditto.
3096         (define_constraint "K"): Ditto.
3097         (define_constraint "M"): Ditto.
3098         (define_constraint "N"): Ditto.
3099         (define_constraint "O"): Ditto.
3100         * config/i386/predicates.md
3101         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
3102         (define_predicate "const_0_to_3_operand"): Ditto.
3103         (define_predicate "const_0_to_7_operand"): Ditto.
3104         (define_predicate "const_0_to_15_operand"): Ditto.
3105         (define_predicate "const_0_to_63_operand"): Ditto.
3106         (define_predicate "const_0_to_255_operand"): Ditto.
3107         (define_predicate "const_1_to_31_operand"): Ditto.
3108         (define_predicate "const_2_to_3_operand"): Ditto.
3109         (define_predicate "const_4_to_7_operand"): Ditto.
3110
3111 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3112
3113         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
3114         in SImode for save_world.
3115         * config/rs6000/altivec.md (save_world, restore_world): Convert to
3116         LR hard reg.
3117
3118 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
3119
3120         PR tree-optimization/30784
3121         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
3122         BIT_FIELD_REF.
3123
3124 2007-03-25  Revital Eres  <eres@il.ibm.com>
3125
3126         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
3127           Fold movement_possibility function into it.
3128
3129 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3130
3131         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
3132         (load_macho_picbase_{si,di}): Convert to LR hard reg.
3133         (call_indirect_nonlocal_darwin64): Same.
3134         (call_nonlocal_darwin64): Same.
3135         (call_value_indirect_nonlocal_darwin64): Same.
3136         (call_value_nonlocal_darwin64): Same.
3137         (sibcall_nonlocal_darwin64): Same.
3138         (sibcall_value_nonlocal_darwin64): Same.
3139         (sibcall_symbolic_64): Same.
3140         (sibcall_value_symbolic_64): Same.
3141         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
3142         LR pseudo.
3143         (rs6000_emit_load_toc_table): Same.
3144         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
3145         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
3146         (mull_call): Same.
3147         (divss_call): Same.
3148         (divus_call): Same.
3149         (quoss_call): Same.
3150         (quous_call): Same.
3151         (load_toc_v4_pic_si): Same
3152         (load_toc_v4_PIC_1): Same.
3153         (load_toc_v4_PIC_1b): Same.
3154         (call_indirect_aix{32,64}): Same.
3155         (call_value_indirect_aix{32,64}): Same.
3156         (call): Same.
3157         (call_value): Same.
3158         (call_local{32,64}): Same.
3159         (call_value_local{32,64}): Same.
3160         (call_indirect_nonlocal_aix{32,64}): Same.
3161         (call_nonlocal_aix{32,64}): Same.
3162         (call_value_indirect_nonlocal_aix{32,64}): Same.
3163         (call_value_nonlocal_aix{32,64}): Same.
3164         (call_indirect_nonlocal_sysv<mode>): Same.
3165         (call_nonlocal_sysv<mode>): Same.
3166         (call_value_indirect_nonlocal_sysv<mode>): Same.
3167         (call_value_nonlocal_sysv<mode>): Same.
3168         (sibcall): Same.
3169         (sibcall_local{32,64}): Same.
3170         (sibcall_value_local{32,64}): Same.
3171         (sibcall_nonlocal_aix{32,64}): Same.
3172         (sibcall_value_nonlocal_aix{32,64}): Same.
3173         (sibcall_nonlocal_sysv<mode>): Same.
3174         (sibcall_value): Same.
3175         (sibcall_value_nonlocal_sysv<mode>): Same.
3176
3177 2007-03-24  Paul Brook  <paul@codesourcery.com>
3178
3179         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
3180         * config/arm/linux-eabi.h: Remove legacy syscall hack.
3181
3182 2007-03-24  Richard Henderson  <rth@redhat.com>
3183
3184         * config/ia64/constraints.md: New file.
3185         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
3186         satisfies_constraint_?.
3187         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
3188         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
3189         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
3190         ia64_output_mi_thunk): Likewise.
3191         (ia64_const_ok_for_letter_p): Remove.
3192         (ia64_const_double_ok_for_letter_p): Remove.
3193         (ia64_extra_constraint): Remove.
3194         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
3195         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
3196         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
3197         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
3198         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
3199         EXTRA_MEMORY_CONSTRAINT): Remove.
3200         * config/ia64/ia64.md: Include constriants.md.  Replace
3201         CONST_OK_FOR_? with satisfies_constraint_?.
3202
3203 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
3204             H.J. Lu  <hongjiu.lu@intel.com>
3205
3206         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
3207         DPD or BID name.
3208         (name macros): Use DPD_BID_NAME to convert names properly.
3209
3210         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
3211         decimal floating point format.
3212         (init_floating_libfuncs): Change decimal functions so that they
3213         have a "bid_" prefix if the decimal system uses the BID format,
3214         and "dpd_" prefix if the decimal system uses the DPD format.
3215         (init_interclass_conv_libfuncs): Ditto.
3216         (init_intraclass_conv_libfuncs): Ditto.
3217
3218         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3219         using the BID format.
3220
3221         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3222         whether we are using the BID decimal format.
3223         * configure: Regenerate.
3224
3225         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3226         the compiler has decimal floating point enabled.  Define
3227         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3228         instead of DPD.
3229
3230         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3231         using the BID format.
3232
3233         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3234         whether we are using the BID decimal format.
3235         * configure: Regenerate.
3236
3237         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3238         the compiler has decimal floating point enabled.  Define
3239         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3240         instead of DPD.
3241
3242         * doc/install.texi (--enable-decimal-float): Document BID and DPD
3243         options, and that it is enabled for i386/x86_64 systems.
3244
3245         * Makefile.in (enable_decimal_float): New.
3246         (DECNUMFMT): New.
3247         (DECNUMINC): Add  -I$(DECNUMFMT).
3248         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
3249         to $(DECNUMFMT) from $(DECNUM).
3250
3251         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
3252         Substitute enable_decimal_float.
3253         * configure: Regenerated.
3254
3255         PR other/30529
3256         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
3257         unsigned long.
3258
3259         * configure.ac: Enable decimal float for x86_64-*-linux*.
3260         * configure: Regenerated.
3261
3262         PR other/30530
3263         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
3264         decimal128ClearSign to flip and clear the sign bit in decimal128.
3265         (decimal_real_maxval): Set decimal128SetSign to set the sign
3266         bit in decimal128.
3267
3268 2007-03-23  Ian Lance Taylor  <iant@google.com>
3269
3270         * fold-const.c (fold_binary): Correct warning for X - c >= X.
3271
3272 2007-03-23  Ian Lance Taylor  <iant@google.com>
3273
3274         * tree-dump.c (dump_files): Correct comment.
3275
3276 2007-03-23  Ian Lance Taylor  <iant@google.com>
3277
3278         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
3279
3280 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
3281
3282         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
3283         in cfglayout mode.  Don't go into and out of cfglayout mode.
3284         Link the blocks in the order of the constructed traces.
3285         (rest_of_handle_tracer): Adjust call to tracer.
3286         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
3287         Don't go into cfglayout mode.
3288         (rtl_loop_done): Don't go out of cfglayout mode.
3289         * cfglayout.c (relink_block_chain): New function, split out from...
3290         (fixup_reorder_chain): ...here.  Remove redundant checking.
3291         (cfg_layout_finalize): Don't clear the header, footer, and aux
3292         fields here, move the code to do so to relink_block_chain.  Likewise
3293         for free_original_copy_tables.
3294         * rtl.h (tracer): Update prototype.
3295         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
3296         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
3297         mode.  Use relink_block_chain to serialize the CFG according to the
3298         new basic block order.  Move targetm.cannot_modify_jumps_p check from
3299         here...
3300         (gate_handle_reorder_blocks): ...to here.
3301         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
3302         from here...
3303         (gate_duplicate_computed_gotos): ...to here.
3304         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
3305         something always changes when going into and out of cfglayout mode.
3306         Perform an expensive cfg cleanup while going into cfglayout mode.
3307         Always update liveness information on HAVE_conditional_execution
3308         targets.  Reserialize the basic blocks and go out of cfglayout mode.
3309         * reg-stack.c: Include cfglayout.h.
3310         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
3311         the call to reorder_basic_blocks.
3312         * basic-block.h (reorder_basic_blocks): Update prototype.
3313         (relink_block_chain): New prototype.
3314         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
3315
3316 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
3317
3318         * config/mips/mips.md (type, hazard, *movdi_32bit,
3319         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
3320         *movhi_internal, *movqi_internal, *movsf_hardfloat,
3321         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
3322         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
3323         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
3324         applicable.
3325         (movcc): Change first xfer to multi.
3326         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
3327         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
3328         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
3329         config/mips/generic.md: Change reservations using "xfer" to use
3330         "mfc,mtc".
3331         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
3332         using match_operand.
3333         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
3334         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
3335         examining mode.
3336         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
3337
3338 2007-03-22  Richard Henderson  <rth@redhat.com>
3339
3340         * config/i386/i386.c: Remove unnecessary function declarations.
3341         Move targetm definition, and all related macros, to the end of
3342         the file.  Resort some functions to put definitions before uses.
3343         (ix86_attribute_table): Make static.  Move to end of file.
3344         (ix86_gimplify_va_arg): Make static.
3345
3346 2007-03-22  Richard Henderson  <rth@redhat.com>
3347
3348         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
3349         don't increase local_regparm with force_align_arg_pointer check.
3350         (ix86_function_sseregparm): Assert 32-bit.
3351         (type_has_variadic_args_p): New.
3352         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
3353         type_has_variadic_args_p.
3354         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
3355         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
3356         use memset instead.  Do maybe_vaarg check first; skip attribute
3357         tests if true; skip attribute tests for 64-bit.
3358         (construct_container): Remove TARGET_DEBUG_ARG.
3359         (function_arg_advance_32, function_arg_advance_64): Split out ...
3360         (function_arg_advance): ... from here.
3361         (function_arg_32, function_arg_64): Split out ...
3362         (function_arg): ... from here.
3363         (ix86_pass_by_reference): Tidy.
3364         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
3365         (function_value_32): New, from parts of ix86_function_value
3366         and ix86_value_regno.
3367         (function_value_64): New, from parts of ix86_function_value
3368         and ix86_libcall_value.
3369         (ix86_function_value_1): New.
3370         (ix86_function_value, ix86_libcall_value): Use it.
3371         (return_in_memory_32, return_in_memory_64): Split out ...
3372         (ix86_return_in_memory): ... from here.
3373         (ix86_struct_value_rtx): Skip for 64-bit.
3374         (ix86_libcall_value, ix86_value_regno): Remove.
3375         (setup_incoming_varargs_64): Split out ...
3376         (ix86_setup_incoming_varargs): ... from here.
3377         (ix86_va_start): Remove TARGET_DEBUG_ARG.
3378         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
3379         * config/i386/i386-protos.h (ix86_function_value): Remove.
3380         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
3381
3382 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3383
3384         PR other/23572
3385         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
3386         infinities not supported, otherwise emit warning if -Woverflow. On
3387         underflow, emit warning if -Woverflow.
3388         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
3389         and 0 otherwise.
3390         * real.h (real_from_string): Update declaration
3391
3392 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
3393             Richard Henderson  <rth@redhat.com>
3394
3395         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
3396         * calls.c (compute_argument_block_size, expand_call,
3397         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
3398         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
3399         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
3400         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
3401         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
3402         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
3403         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
3404         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
3405         Set to 1.
3406
3407 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
3408
3409         * c-incpath.c (add_sysroot_to_chain): New.
3410         (merge_include_chains): Add sysroot argument.  Call
3411         add_sysroot_to_chain if sysrooted.
3412         (register_include_chains): Update call to merge_include_chains.
3413         * doc/cppopts.texi: Document use of '=' in include directory
3414         arguments.
3415
3416 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
3417
3418         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
3419         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
3420         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
3421         insn pattern using X87MODEF12 mode macro.
3422
3423 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
3424
3425         * regmove.c (regmove_optimize): Use reg_mentioned_p
3426         instead of reg_overlap_mentioned_p for DST.
3427
3428 2007-03-21  Mike Stump  <mrs@apple.com>
3429
3430         * c.opt: Fixup for Objective-C/C++.
3431
3432 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
3433
3434         * explow.c (convert_memory_address): Fold memory reference when
3435         POINTERS_EXTEND_UNSIGNED < 0
3436
3437 2007-03-21  Richard Henderson  <rth@redhat.com>
3438
3439         PR target/31245
3440         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
3441         * config/i386/mmintrin.h (__m64): Likewise.
3442         * config/i386/xmmintrin.h (__m128): Likewise.
3443
3444 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3445
3446         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
3447         (VXWORKS_OS_CPP_BUILTINS): Define.
3448         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
3449         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
3450
3451 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3452
3453         * rtl.h (constant_pool_reference_p): Delete.
3454         (find_constant_src): Declare.
3455         * rtlanal.c (find_constant_src): New function.
3456         * simplify-rtx.c (constant_pool_reference_p): Delete.
3457         * config/i386/i386.md: Use find_constant_src instead of
3458         constant_pool_reference_p/avoid_constant_pool_reference pairs.
3459
3460 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3461
3462         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
3463         * c-cppbuiltin.c (c_cpp_builtins): Define them.
3464
3465 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
3466
3467         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
3468         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
3469         (arm_elf_asm_constructor): Use it.
3470         (arm_elf_asm_destructor): New function.
3471
3472 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3473
3474         * jump.c (mark_jump_label): Treat SEQUENCE specially.
3475
3476 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
3477
3478         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
3479
3480 2007-03-19  Andrew Haley  <aph@redhat.com>
3481
3482         PR tree-optimization/31264
3483         * tree-vrp.c (register_edge_assert_for_1): Don't look though
3484         VIEW_CONVERT_EXPRs.
3485
3486 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
3487
3488         PR rtl-optimization/30907
3489         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
3490         (fwprop_init): Always call loop_optimizer_initialize.
3491         (fwprop_done): Always call loop_optimizer_finalize.
3492         (fwprop): We always have loop info now.
3493         (gate_fwprop_addr): Remove.
3494         (pass_fwprop_addr): Use gate_fwprop as gate.
3495
3496         PR rtl-optimization/30841
3497         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
3498         df_chain_alloc): Call df_reorganize_refs unconditionally.
3499         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
3500         refs_organized to refs_organized_size.
3501         (df_ref_create_structure): Use refs_organized_size instead of
3502         bitmap_size if refs had been organized, and keep refs_organized_size
3503         up-to-date.
3504         * df.h (struct df_ref_info): Change refs_organized to
3505         refs_organized_size.
3506         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
3507         bitmap_size.
3508
3509 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
3510
3511         * except.c (output_function_exception_table): Do not reference the
3512         EH personality routine for functions that do not require an
3513         exception table.
3514
3515 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
3516
3517         PR c/30762
3518         * c-typeck.c (convert_for_assignment): Call comptypes for
3519         RECORD_TYPE or UNION_TYPE.
3520
3521         PR inline-asm/30505
3522         * reload1.c (reload): Do invalid ASM checking after
3523         cleanup_subreg_operands.
3524
3525 2007-03-19  Jeff Law  <law@redhat.com>
3526
3527         * tree-cfg.c (find_taken_edge): Tighten conditions for
3528         optimizing computed gotos.
3529
3530 2007-03-19  Michael Matz  <matz@suse.de>
3531
3532         * builtins.c (expand_builtin_sync_operation,
3533         expand_builtin_compare_and_swap,
3534         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
3535         correctly.
3536
3537         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
3538         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
3539         for operand 3.
3540
3541 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3542
3543         * doc/tm.texi: Add brackets around the return type of
3544         TARGET_SECONDARY_RELOAD.
3545
3546 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3547         Richard Guenther  <rguenther@suse.de>
3548
3549         PR tree-optimization/31254
3550         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3551         Use handled_component_p () where appropriate.  Continue
3552         propagating into the rhs if we propagated into an INDIRECT_REF
3553         on the lhs.
3554
3555 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3556
3557         * config/s390/s390.md (op_type attribute): RRR instruction type added.
3558         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
3559         (xde, xdee): Mode attributes adjusted to support DFP modes.
3560         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
3561         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
3562         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
3563         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
3564         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
3565         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3566         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
3567         numbers.
3568         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
3569         "movsf"): Insn definitions removed.
3570         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
3571         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
3572         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
3573         definitions added.
3574         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
3575         "reload_in<mode>", "reload_out<mode>"): Expander added.
3576         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
3577         Expander removed.
3578
3579 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3580
3581         * config/s390/s390.md: Only non-functional changes.  Renamed
3582         FPR mode macro to BFP all over the file.
3583
3584 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3585
3586         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
3587         (op_type attribute): RRF instruction type added.
3588         (fT0): New mode attribute.
3589         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3590         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
3591         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
3592         no secondary memory is needed when moving DFmode values between GPRs
3593         and FPRs.
3594
3595 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3596
3597         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
3598         inverted and documentation adjusted.
3599         ("mhard-dfp", "msoft-dfp"): New options.
3600         * config/s390/s390.c (s390_handle_arch_option): New architecture
3601         switch: z9-ec.
3602         (override_options): Sanity checks for the new options added.
3603         * config.gcc: New architecture switch: z9-ec.
3604         * config/s390/s390.h (processor_flags): PF_DFP added.
3605         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
3606         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
3607         when the bit is NOT set so remove it from the defaults.
3608
3609 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3610
3611         * genemit.c (main): Print include statement for dfp.h.
3612         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
3613         is not available.
3614
3615 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
3616
3617         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
3618
3619 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
3620
3621         PR target/31022
3622         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
3623         instead of PATTERN.
3624
3625 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3626
3627         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
3628         attr_length_call, output_call, output_indirect_call): Cleanup
3629         formatting of targetm calls.
3630
3631 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
3632
3633         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
3634
3635 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3636
3637         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
3638         reservation, bypass and anti-bypass descriptions for these instructions.
3639         Update move patterns.
3640         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
3641         TYPE_FPSTORE.
3642
3643 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
3644
3645         * tree-vect-transform.c (get_initial_def_for_induction): Replace
3646         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
3647         (get_initial_def_for_reduction): Likewise.
3648
3649 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
3650
3651         Fix PR tree-optimization/29922
3652         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
3653         (get_representative): Removed.
3654         (value_dies_in_block_x): Update for rvuse removal.
3655         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
3656         (compute_antic_aux): Handle when PHI nodes appear in
3657         non-single-successors.
3658         (dump_bitmap_of_names): Removed.
3659         (compute_antic_safe): Renamed and removed rvuse calculation.
3660         Calculate only antic safe.
3661         (insert_into_preds_of_block): Remove assert.
3662         (execute_pre): Update for renamed functions.
3663         (defer_or_phi_translate_block): New function.
3664
3665 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
3666
3667         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
3668         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
3669         typos.
3670         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
3671         Follow spelling conventions.
3672
3673         * tree-data-ref.h: Remove the prototype for analyze_array.
3674
3675 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
3676
3677         PR tree-optimization/31041
3678         * tree-vect-transform.c (get_initial_def_for_induction): Call
3679         force_gimple_operand.
3680
3681 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
3682
3683         * ipa-type-escape.c (look_for_casts) : Revert code to use
3684         handled_component_p due to ada test a-numaux.adb.
3685
3686 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
3687
3688         * final.c (final_scan_insn): Alter the condition of a
3689         conditional trap if we have nonstandard CC.
3690
3691 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3692
3693         * configure.ac: Remove excess quoting from asm line 0 test.
3694         * configure: Rebuilt.
3695
3696 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3697
3698         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
3699         * c-common.c (convert_and_check): Move warning logic to...
3700         (warnings_for_convert_and_check): ...here. Define.
3701         * c-common.h (warnings_for_convert_and_check): Declare.
3702
3703 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3704
3705         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
3706         (output_call): Likewise.
3707
3708 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
3709
3710         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
3711
3712 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
3713
3714         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
3715
3716 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
3717
3718         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
3719         opteron, athlon-64 and athlon-fx processor_alias_table entries.
3720
3721 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
3722
3723         PR tree-optimization/31183
3724         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
3725         Use double_int instead of unsigned int for representing access_strides.
3726         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
3727
3728 2007-03-16  Richard Guenther  <rguenther@suse.de>
3729
3730         PR tree-optimization/31146
3731         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
3732         to allow recursion of forward_propagate_addr_expr.
3733         (forward_propagate_addr_into_variable_array_index): Likewise.
3734         (forward_propagate_addr_expr): Likewise.
3735         (tree_ssa_forward_propagate_single_use_vars): Likewise.
3736         (forward_propagate_addr_expr_1): Recurse on simple copies
3737         instead of propagating into them.  Do so for useless conversions
3738         as well.
3739         (forward_propagate_addr_expr): Clean up unused statements after
3740         recursion.
3741
3742 2007-03-16  Richard Guenther  <rguenther@suse.de>
3743
3744         * builtins.c (expand_builtin_cexpi): Use the right argument
3745         for the expansion via cexp.
3746
3747 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3748
3749         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
3750         * configure: Rebuilt.
3751
3752 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3753
3754         PR debug/29906
3755         * dwarf2out.c (force_type_die): Adjust comment.
3756         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
3757
3758 2007-03-15  DJ Delorie  <dj@redhat.com>
3759
3760         * config/frv/predicates.md (minmax_operator): Don't check operands
3761         here.
3762
3763 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
3764
3765         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
3766         Update constant estimates of number of iterations.
3767         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
3768         argument renamed to "realistic".
3769         (compute_estimated_nb_iterations): Removed.
3770         (record_niter_bound): New function.
3771         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
3772         call record_nonwrapping_iv with upper = false.
3773         (infer_loop_bounds_from_signedness): Pass upper argument to
3774         record_nonwrapping_iv.
3775         (estimate_numbers_of_iterations_loop): Do not call
3776         compute_estimated_nb_iterations.  Record estimate based on profile
3777         information.  Initialize the constant estimates of number of
3778         iterations.
3779         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
3780         estimates.
3781         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
3782         number of iterations is too small.
3783         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
3784         (EST_NOT_AVAILABLE): Removed.
3785         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
3786         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
3787         fields.
3788
3789 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
3790
3791         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
3792         Handle NE_EXPR guards.
3793
3794 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3795
3796         PR c++/24924
3797         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
3798         Set also -pedantic-errors by default for the  preprocessor unless
3799         -fpermissive is given.
3800
3801 2007-03-15  Richard Guenther  <rguenther@suse.de>
3802
3803         PR middle-end/29719
3804         PR middle-end/31161
3805         * builtins.c (expand_builtin_cexpi): As a fallback if we
3806         don't have builtins for sincos or cexp create a function
3807         declaration for cexp and expand to a call to that.
3808         (expand_builtin_int_roundingfn): Always fall
3809         back to floor/ceil and its variants even if they may be
3810         not available.
3811
3812 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
3813
3814         PR middle-end/31159
3815         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
3816         jump tables, move the call to delete_dead_jumptables from here...
3817         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
3818         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
3819         don't allow merging of blocks that try_redirect_by_replacing_jump
3820         also does not handle when not optimizing.
3821
3822 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
3823             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3824
3825         * config/i386/i386.md (x86_sahf_1): Correctly handle
3826         HAVE_AS_IX86_SAHF.
3827
3828 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
3829
3830         PR target/31167
3831         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
3832         x86_64_general_operand as operand[2] predicate.  Remove "iF"
3833         from operand constraints and use "e" constraint instead.
3834         (*subti3_1, *subti3_1 splitter): Ditto.
3835         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
3836         operand[1] predicate.
3837
3838 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
3839
3840         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
3841         arrays, multiply the access strides by the size of the sub-array.
3842         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
3843
3844 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
3845
3846         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
3847         the configured assembler supports the sahf mnemonic.
3848         * configure: Regenerate.
3849         * config.in: Regenerate.
3850
3851         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
3852         emit "sahf" or ".byte\t0x9e" as asm template.
3853
3854 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
3855
3856         PR 31018
3857         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
3858         option to replace hard coded TARGET_xxx in md file.
3859         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
3860         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
3861         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
3862         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
3863         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
3864         (X86_TUNE_NOT_VECTORMODE): Ditto.
3865         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
3866         (TUNE_AVOID_VECTOR_DECODE): Ditto.
3867         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
3868         (TUNE_SLOW_IMUL_IMM8): Ditto.
3869         (TUNE_MOVE_M1_VIA_OR): Ditto.
3870         (TUNE_NOT_UNPAIRABLE): Ditto.
3871         (TUNE_NOT_VECTORMODE): Ditto.
3872
3873         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
3874         options.
3875
3876         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
3877         tuning options instead of hard coded TARGET_xxx.
3878         (fix ssemode peephole2's): Ditto.
3879         (imul peephole2's): Ditto.
3880         (movsi_or): Ditto.
3881         (movdi_or_rex64): Ditto.
3882         (move peephole2): Ditto.
3883         (not peephole2's): Ditto.
3884
3885 2007-03-14  Dirk Mueller  <dmueller@suse.de>
3886
3887         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
3888         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
3889         * c-parser.c (c_parser_if_body): Always add an empty statement in case
3890         of empty body.
3891         * c-parser.c (c_parser_do_statement): Warn about empty body in
3892         do/while statement.
3893         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
3894         * doc/invoke.texi (-Wempty-body): Update documentation.
3895
3896 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3897
3898         PR c/21438
3899         * c-common.h (warn_for_div_by_zero): Declare.
3900         * c-common.c (warn_for_div_by_zero): Define.
3901         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
3902         warning.
3903
3904 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
3905
3906         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
3907         to PREFIX and STANDARD_PREFIX.
3908
3909 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
3910             Phil Edwards  <phil@codesourcery.com>
3911
3912         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
3913         (__gthread_once_t): Remove busy field for RTPs.
3914         (__GTHREAD_ONCE_INIT): Update accordingly.
3915
3916 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
3917
3918         * doc/invoke.texi: Document VxWorks options.
3919
3920 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
3921
3922         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
3923
3924 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
3925
3926         PR tree-optimization/30590
3927         * tree-nrv.c (tree_nrv): Check for the partial update of the
3928         return value.
3929
3930 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
3931
3932         * flags.h (flag_random_seed): Remove declaration, in favor of...
3933         * toplev.h (get_random_seed, set_random_seed): ... these.
3934         * tree.c (get_file_function_name): Use the former.
3935         * opts.c (common_handle_option): Use the latter.
3936         * toplev.c
3937
3938 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
3939
3940         PR middle-end/31127
3941         * cse.c (cse_find_path): Do not bail out if a basic block that
3942         we already visited now becomes part of a path that starts at a
3943         different basic block.  Just disallow this, to make sure we
3944         visit each basic block at most once.
3945
3946 2007-03-13  Jan Hubicka  <jh@suse.cz>
3947
3948         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
3949         when profile esitmate is present, calls with very low frequency are
3950         cold.
3951
3952 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
3953
3954         PR tree-optimization/30730
3955         PR tree-optimization/26900
3956         * tree-ssa-loop-niter.c: Include gmp.h.
3957         (bounds): New type.
3958         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
3959         split_to_var_and_offset, determine_value_range,
3960         bound_difference_of_offsetted_base, refine_bounds_using_guard,
3961         bound_difference, bounds_add, bounds_negate,
3962         number_of_iterations_ne_max, dump_affine_iv): New functions.
3963         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3964         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
3965         difference of initial and final value of control iv to validate
3966         results.
3967         (number_of_iterations_cond): Add loop parameter.  Determine bounds
3968         on the difference of the extremes of the control iv.  Add dumps.
3969         (expand_simple_operations): Handle phi nodes.
3970         (simplify_using_initial_conditions): Do not record used conditions.
3971         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
3972         Do not set additional_info.
3973         (implies_nonnegative_p, implies_ge_p): Removed.
3974         (derive_constant_upper_bound): Do not use parameter `additional'.
3975         (record_estimate): Parameter `additional' removed.  Parameter
3976         `i_bound' added.  Do not call derive_constant_upper_bound.
3977         (record_nonwrapping_iv): Use derive_constant_upper_bound to
3978         bound the number of iterations estimate.
3979         (estimate_numbers_of_iterations_loop): Pass the estimate from
3980         the number of iterations analysis to record_estimate.
3981         * tree.h (multiple_of_p): Declare.
3982         * tree-scalar-evolution.c (expression_expensive_p): Removed.
3983         (scev_const_prop): Do not check expression_expensive_p.
3984         * fold-const.c (multiple_of_p): Exported.
3985         * double-int.c (double_int_mask): Exported.
3986         * double-int.h (double_int_mask): Declare.
3987         * tree-flow.h (struct tree_niter_desc): Removed additional_info
3988         field.  Added max field.
3989
3990 2007-03-13  David Taylor  <taylor@candd.org>
3991
3992         PR driver/12448:
3993         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
3994         default -MQ.
3995
3996 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3997
3998         PR target/31123
3999         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
4000         two unamed patterns.
4001
4002 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
4003
4004         * config/i386/i386.opt (mcx16, msahf): New options.
4005         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
4006         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
4007
4008         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
4009         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
4010         Output -mcx16 and -msahf options when corresponding bit is set.
4011
4012         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
4013         and -msahf options.
4014
4015 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4016
4017         * configure.ac: Test for assembler tolerance to # 0 "".
4018         * configure, config.in: Rebuilt.
4019         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
4020
4021 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
4022
4023         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
4024
4025         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
4026         (handle_syscall): Handle direct system calls.
4027         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
4028
4029 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4030
4031         * doc/invoke.texi: Fix cpp.info cross-reference.
4032         * doc/passes.texi: Fix gcc.info cross-reference.
4033
4034 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
4035
4036         PR tree-optimization/30835
4037         * lambda-code.c (can_convert_to_perfect_nest): Check whether
4038         bb_for_stmt is not NULL before accessing it.
4039
4040 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
4041
4042         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
4043         some multilibs.
4044
4045 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4046
4047         PR 30635
4048         * doc/install.texi: Document --enable-stage1-languages
4049
4050 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
4051
4052         * tree-pass.h (pass_into_cfg_layout_mode,
4053         pass_outof_cfg_layout_mode): Declare.
4054         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
4055         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
4056         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
4057         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
4058
4059 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
4060
4061         * c-decl.c (warn_variable_length_array): New function.
4062         Refactored from grokdeclarator to handle warn_vla
4063         and handle unnamed array case.
4064         (grokdeclarator): Refactored VLA warning case.
4065         * c.opt (Wvla): New flag.
4066         * doc/invoke.texi (Wvla): New warning.
4067
4068 2007-03-12  Richard Henderson  <rth@redhat.com>
4069
4070         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
4071         (TARGET_SECTION_TYPE_FLAGS): New.
4072
4073 2007-03-12  Richard Henderson  <rth@redhat.com>
4074
4075         * config/darwin.c (machopic_reloc_rw_mask): New.
4076         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
4077         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
4078
4079 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
4080
4081         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
4082         * cppdefault.h (cpp_PREFIX): Document.
4083         (cpp_PREFIX_len): Likewise.
4084         (cpp_EXEC_PREFIX): New variable.
4085         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
4086         * c-incpath.c (add_standard_paths): Correct logic for relocating
4087         paths within prefix.
4088
4089 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
4090
4091         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
4092         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
4093         mode macro.
4094         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
4095         fix_truncdfdi_sse using SSEMODEF mode macro.
4096         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
4097         fix_truncdfsi_sse using SSEMODEF mode macro.
4098         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
4099         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
4100
4101 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
4102
4103         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
4104         elfos.h to tm_file.
4105
4106 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
4107
4108         * tree.h : Add multiple_of_p declaration.
4109         * fold-const.c (multiple_of_p): Make multiple_of_p public.
4110         * ipa-type-escape.c (results_of_malloc): Redundant.
4111         (visited_stmts): New. Visited stmt for walk_use_def_chains.
4112         (cast_type): Extended with new members.
4113         (check_cast): Returns cast_type.
4114         (cast): New structure for data of walk_use_def_chains.
4115         (is_malloc_result, is_cast_from_non_pointer_1,
4116         is_cast_from_non_pointer,
4117         is_array_access_through_pointer_and_index): New functions.
4118         (look_for_casts): Returns cast types.
4119         (check_call): Returns void.
4120         (okay_pointer_operation): Use support of pointer plus index,
4121         pointer plus constant and allow all multiplications.
4122
4123 2007-03-11  Richard Guenther  <rguenther@suse.de>
4124
4125         PR tree-optimization/31115
4126         * tree-vrp.c (extract_range_from_binary_expr): Make sure
4127         the shift count is positive and non-anti-range for RSHIFT_EXPR.
4128         A shift count of zero is not special as with *_DIV_EXPR.
4129         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
4130         direction.
4131
4132 2007-03-11  Ian Lance Taylor  <iant@google.com>
4133
4134         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
4135         the *_DIV_EXPR codes correctly with overflow infinities.
4136
4137 2007-03-11  Ira Rosen  <irar@il.ibm.com>
4138
4139         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
4140         indicate success/failure of the analysis. Add negation to subtrahend
4141         in case of subtraction. Fail if both operands contain constants.
4142         (create_data_ref): Fail if analyze_offset fails.
4143
4144 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
4145
4146         * config/i386/i386.md (frndintxf2): Rename to ...
4147         (rintxf2): ... this. Remove expander having same name.
4148         (rintsf2, rintdf2): Implement using SSEMODEF macro.
4149         (roundsf2, rounddf2): Ditto.
4150         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
4151         (lround<mode>di2, lround<mode>si2): Ditto.
4152
4153 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
4154
4155         * lower-subreg.c: Include except.h.
4156         (decompose_multiword_subregs): Verify that the only control flow
4157         insns we can split are loads to multi-words pseudos.
4158         Handle breaking such blocks after splitting, instead of calling
4159         find_many_sub_basic_blocks.
4160
4161         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
4162         on the new basic block.  Add a lengthy comment explaining why we
4163         thought this was necessary.
4164         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
4165
4166 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
4167
4168         PR c++/30924
4169         * tree.c (walk_type_fields): Recurse into the element type of
4170         ARRAY_TYPEs if there is a pointer set.
4171
4172 2007-03-10  Dirk Mueller  <dmueller@suse.de>
4173
4174         * c-common.c (warn_logical_operator): Fix condition.
4175
4176 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
4177
4178         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
4179         quotation mark.
4180         * config/darwin.c (machopic_select_section): Remove superfluous
4181         argument in call to categorize_decl_for_section.  Remove unused
4182         variable shlib.
4183
4184 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
4185
4186         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
4187         defined.
4188         * configure: Regenerate.
4189
4190 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
4191
4192         PR target/31101
4193         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
4194         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
4195         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
4196         Add LABEL_NUSES to emitted label.
4197         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
4198         branch probability value to emitted jump insn.
4199         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
4200         Do not check life information and do not re-arrange input operands
4201         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
4202
4203 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4204
4205         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
4206         the change of decode_asm_operands.
4207
4208 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4209
4210         * mode-switching.c (create_pre_exit): Skip blockage insn.
4211
4212 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
4213
4214         * tree-pass.h (TODO_update_smt_usage): Remove.
4215         Update all users.
4216         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
4217         argument SOME.
4218         Update all users.
4219
4220 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4221
4222         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
4223         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
4224         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
4225         SOM target.
4226
4227 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
4228
4229         * gcc.c: Document %{, in big comment at top.
4230         (input_suffix_matches): Remove special handling for .s and
4231         .S.
4232         (input_spec_matches): New.
4233         (handle_braces): Handle %{,.
4234         (validate_switches): ',' indicates a value which is not a switch.
4235         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
4236         to detect assembler input.
4237         * config/i386/sol2.h (CPP_SPEC): Likewise.
4238         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
4239         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
4240         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
4241         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
4242         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
4243         -m64 causes deployment target to default to 10.5.
4244         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
4245
4246 2007-03-09  Richard Henderson  <rth@redhat.com>
4247
4248         PR target/26090
4249         * target.h (targetm.asm.out.reloc_rw_mask): New.
4250         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
4251         (TARGET_ASM_OUT): Use it.
4252         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
4253         * varasm.c (categorize_decl_for_section): Remove shlib argument;
4254         use the new reloc_rw_mask target hook instead.
4255         (default_section_type_flags_1): Merge into...
4256         (default_section_type_flags): ... here.
4257         (decl_readonly_section_1): Merge into...
4258         (decl_readonly_section): ... here.
4259         (default_elf_select_section_1): Merge into...
4260         (default_elf_select_section): ... here.
4261         (default_unique_section_1): Merge into...
4262         (default_unique_section): ... here.
4263         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
4264         (default_select_rtx_section): Use it.
4265         (default_elf_select_rtx_section): Likewise.
4266         * output.h: Update to match.
4267         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
4268         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
4269         (TARGET_ASM_RELOC_RW_MASK): New.
4270         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
4271         to categorize_decl_for_section.
4272         (x86_64_elf_unique_section): Likewise.
4273         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
4274         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
4275         (TARGET_ASM_RELOC_RW_MASK): New.
4276         * config/ia64/ia64.c (ia64_rwreloc_select_section,
4277         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
4278         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
4279         (TARGET_RWRELOC): Remove.
4280         (ia64_section_type_flags): Adjust call to default_section_type_flags.
4281         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4282         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
4283         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
4284         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
4285         (rs6000_xcoff_select_section): Use decl_readonly_section.
4286         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
4287         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4288         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
4289         (TARGET_SECTION_TYPE_FLAGS): Remove.
4290         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
4291
4292 2007-03-09  Roger Sayle  <roger@eyesopen.com>
4293
4294         * fold-const.c (fold_comparison): Remove compile-time evaluation of
4295         complex constant equality/inequality comparisons for here.
4296         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
4297         known at compile-time or can be simplified to a scalar comparison.
4298         (fold_relational_const): Move compile-time evaluation of complex
4299         constant equality/inequality comparisons to here.
4300
4301 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4302
4303         PR rtl-optimization/30643
4304         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
4305         dest_addr_elt.
4306         (fold_rtx): Recurse, like before 2006-11-03.
4307
4308 2007-03-09  DJ Delorie  <dj@redhat.com>
4309
4310         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
4311         m32c-pragma.o.
4312
4313 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
4314
4315         PR tree-optimization/30375
4316         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
4317         LHS of statements is not the same.
4318         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
4319
4320 2007-03-09  Chao-ying Fu  <fu@mips.com>
4321
4322         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
4323         REV 2.
4324         * doc/invoke.texi (-mdspr2): Document new option.
4325         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
4326         New unspec for DSP REV 2.
4327         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
4328         these instructions are extended in DSP REV 2.
4329         (mips-dspr2.md): Include.
4330         * config/mips/mips.opt (mdspr2): New option.
4331         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
4332         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
4333         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
4334         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
4335         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
4336         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
4337         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
4338         and 2 builtins.
4339         (bdesc_map): Add one field of unsupported_target_flags.
4340         (bdesc_arrays):  Update entries to have extra fields.  Add
4341         dsp_32only_bdesc.
4342         (mips_init_builtins): Initialize new function types.
4343         Check unsupported_target_fileds to filter out builtins.
4344         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
4345         TARGET_DSPR2.
4346         (ASM_SPEC): Pass mdspr2 to the assembler.
4347         * config/mips/mips-dspr2.md: New file.
4348
4349 2007-03-09  Sa Liu  <saliu@de.ibm.com>
4350
4351         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
4352
4353 2007-03-09  Ian Lance Taylor  <iant@google.com>
4354
4355         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
4356         argument) like -Wstrict-overflow=2.
4357         * doc/invoke.texi (Warning Options): Update documentation.
4358
4359 2007-03-09  Dirk Mueller  <dmueller@suse.de>
4360
4361         PR c++/17946
4362         * doc/invoke.texi (-Wlogical-op): Document.
4363         * common.opt (-Wlogical-op): New.
4364         * c-common.h (warn_logical_operator): Declare.
4365         * c-common.c (warn_logical_operator): Define.
4366         * c-typeck.c (parser_build_binary_op): Call
4367         warn_logical_operator.
4368
4369 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4370
4371         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
4372         * final.c (final_scan_insn): Test for non-"" file name.
4373
4374 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
4375
4376         * doc/loop.texi: Document the Omega linear constraints solver.
4377         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
4378         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
4379         omega-hash-table-size, omega-max-keys, and
4380         omega-eliminate-redundant-constraints.
4381         * tree-pass.h (pass_check_data_deps): Declared.
4382         * omega.c: New.
4383         * omega.h: New.
4384         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
4385         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
4386         pass_check_data_deps): New.
4387         * tree-data-ref.c (init_data_ref): Remove declaration.
4388         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
4389         (analyze_array): Renamed init_array_ref, move up initializations.
4390         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
4391         Removed arguments that are set to NULL.
4392         (analyze_indirect_ref): Correct indentation, correct call to
4393         init_pointer_ref.
4394         (object_analysis): Call init_array_ref instead of analyze_array.
4395         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
4396         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
4397         of DR_ACCESS_FNS_ADDR.
4398         (init_omega_eq_with_af, omega_extract_distance_vectors,
4399         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
4400         ddr_consistent_p): New.
4401         (compute_affine_dependence): Check consistency of ddrs when
4402         flag_check_data_deps is passed.
4403         (analyze_all_data_dependences): Uncomment.
4404         (tree_check_data_deps): New.
4405         * tree-data-ref.h: Include omega.h.
4406         (DR_ACCESS_FNS_ADDR): Removed.
4407         (data_dependence_relation): Add inner_loop.
4408         (DDR_INNER_LOOP): New.
4409         * common.opt (fcheck-data-deps): New.
4410         * tree-flow.h (tree_check_data_deps): Declare.
4411         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
4412         (OBJS-common): Depend on omega.o.
4413         (omega.o): Define.
4414         * passes.c (pass_check_data_deps): Scheduled.
4415         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
4416         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
4417         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
4418         PARAM_VECT_MAX_VERSION_CHECKS,
4419         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
4420
4421 2007-03-09  Richard Guenther  <rguenther@suse.de>
4422
4423         PR tree-optimization/30904
4424         PR middle-end/31058
4425         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
4426         the same way as *_DIV_EXPR.
4427
4428 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4429
4430         * recog.c (decode_asm_operands): No mixed declarations and code.
4431
4432 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4433
4434         * rtl.def (ASM_INPUT): Add location.
4435         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
4436         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
4437         (decode_asm_operands): Add loc operand.
4438         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
4439         * stmt.c (expand_asm): Rename to...
4440         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
4441         gen_rtx_ASM_INPUT_loc.
4442         (expand_asm_expr): Adjust.
4443         * recog.c (decode_asm_operands): Add loc operand.
4444         (check_asm_operands, extract_insn): Adjust.
4445         * reload1.c (maybe_fix_stack_asms): Likewise.
4446         * final.c (asm_insn_count): Likewise.
4447         (final_scan_insn): Output # line before and after asm.
4448
4449 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
4450
4451         * tree-ssa-structalias.c (variable_info): Remove
4452         finished_solution.
4453         (new_var_info): Ditto.
4454         (shared_bitmap_info_t): New structure.
4455         (shared_bitmap_table): New variable.
4456         (shared_bitmap_hash): New function.
4457         (shared_bitmap_eq): Ditto
4458         (shared_bitmap_lookup): Ditto.
4459         (shared_bitmap_add): Ditto.
4460         (merge_smts_into): Change to take bitmap directly.
4461         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
4462         (init_alias_vars): Init shared bitmap hashtable.
4463         (delete_points_to_sets): Delete shared bitmap hashtable.
4464         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
4465         is_aliased removal as a change that was still necessary was
4466         deleted.
4467
4468 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
4469
4470         * config/i386/i386.h (override_options): Conditionally disable
4471         x86_sahf for 64bit targets only.
4472
4473 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4474
4475         PR C/31072
4476         * c-decl.c (merge_decls): Don't call make_var_volatile.
4477         * varasm.c (make_var_volatile): Remove.
4478         * output.h (make_var_volatile): Remove.
4479
4480 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
4481
4482         PR tree-optimization/31085
4483         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
4484
4485 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4486
4487         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
4488         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
4489         ATTR_CONST_NOTHROW_LIST.
4490
4491         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4492         FIX_TRUNC_EXPR.
4493
4494 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
4495
4496         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
4497
4498 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
4499
4500         PR 31013
4501         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
4502         is declared.
4503         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
4504         passed, use shared libgcc.
4505
4506 2007-03-08  Roger Sayle  <roger@eyesopen.com>
4507
4508         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
4509         instead of calling build2 with a GIMPLE_MODIFY_STMT.
4510         (honor_protect_cleanup_actions, lower_try_finally_switch):
4511         Likewise.
4512         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
4513         ifc_temp_var): Likewise.
4514         * tree-inline.c (setup_one_parameter): Likewise.
4515         * tree-mudflap.c (mf_decl_cache_locals,
4516         mf_build_check_statement_for): Likewise.
4517         * tree-nested.c (init_tmp_var, save_tmp_var,
4518         finalize_nesting_tree_1): Likewise.
4519         * tree-outof-ssa.c (insert_copy_on_edge,
4520         insert_backedge_copies): Likewise.
4521         * tree-profile.c (tree_gen_edge_profiler,
4522         tree_gen_ic_profiler): Likewise.
4523         * tree-scalar-evolution.c (scev_const_prop): Likewise.
4524         * tree-sra.c (sra_build_assignment): Likewise.
4525         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
4526         * tree-ssa-math-opts.c (insert_reciprocals,
4527         execute_cse_sincos_1): Likewise.
4528         * tree-tailcall.c (adjust_accumulator_values,
4529         adjust_return_value): Likewise.
4530         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
4531         * tree-vect-transform.c (vect_create_data_ref_ptr,
4532         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
4533         vect_create_epilog_for_reduction, vectorizable_reduction,
4534         vectorizable_call, vectorizable_conversion,
4535         vectorizable_assignment, vectorizable_operation,
4536         vectorizable_type_demotion, vect_gen_widened_results_half,
4537         vect_permute_store_chain, vectorizable_store,
4538         vect_setup_realignment, vect_permute_load_chain,
4539         vectorizable_load, vectorizable_condition,
4540         vect_create_cond_for_align_checks): Likewise.
4541         * tree-vrp.c (build_assert_expr_for): Likewise.
4542
4543 2007-03-08  Ian Lance Taylor  <iant@google.com>
4544
4545         * tree-vrp.c: Include "intl.h".
4546         (usable_range_p): New static function.
4547         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
4548         overflowed values, juts set *strict_overflow_p.
4549         (compare_values): Only return -2 if one of the operands is not a
4550         constant.
4551         (compare_ranges): Call usable_range_p.
4552         (compare_range_with_value): Likewise.
4553         (vrp_evaluate_conditional_warnv): Rename from
4554         vrp_evaluate_conditional.  Make static.  Change all callers.
4555         (vrp_evaluate_conditional): New function.
4556         (simplify_div_or_mod_using_ranges): Issue warning about reliance
4557         on signed overflow.
4558         (simplify_abs_using_ranges): Likewise.
4559         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
4560         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
4561         within_stmt parameter.
4562         * tree-ssa-propagate.c (fold_predicate_in): Update call to
4563         vrp_evaluate_conditional.
4564         * tree-ssa-threadedge.c
4565         (record_temporary_equivalences_from_stmts_at_dest): Change
4566         simplify parameter to take a second tree parameter.
4567         (simplify_control_stmt_condition): Likewise.
4568         (thread_across_edge): Likewise.
4569         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
4570         (thread_across_edge): Likewise.
4571         * Makefile.in (tree-vrp.o): Depend upon intl.h.
4572
4573 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
4574
4575         * config/i386/i386.h (TARGET_SAHF): New define.
4576         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
4577         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
4578         (x86_sahf): New global variable.
4579         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
4580         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
4581         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
4582         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
4583         for 64-bit.
4584         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
4585         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
4586         when expanding fcomi/sahf based tests.
4587         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
4588         expanding sahf based alternative. Emit sahf based sequence when
4589         optimizing for code size.
4590         * config/i386/i386.md (x86_sahf_1): Do not disable for
4591         TARGET_64BIT, enable for TARGET_SAHF.
4592
4593 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
4594
4595         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
4596         spurious whitespace from error message.
4597
4598 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
4599
4600         PR c++/30852
4601         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
4602
4603 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
4604
4605         * c-decl.c (grokdeclarator): Disable warnings for anonymous
4606         bitfields.
4607         * tree-sra.c (instantiate_element): Propagate disabled warnings
4608         from the element itself to the created variable.
4609
4610 2007-03-07  Richard Henderson  <rth@redhat.com>
4611
4612         PR target/30848
4613         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
4614         silently fix up the stack in the case of a missing register.
4615
4616 2007-03-07  Paul Brook  <paul@codesourcery.com>
4617
4618         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
4619
4620 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
4621
4622         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
4623         New.
4624         (phase1_vrs): Use them.
4625         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
4626         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
4627         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
4628         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
4629         __gnu_Unwind_Restore_WMMXC if required.
4630         (_Unwind_VRS_Pop): Implement iWMMXt support.
4631         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
4632         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
4633         gnu_Unwind_Save_WMMXC): Define.
4634
4635 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
4636
4637         * config/vxworks.h (vxworks_override_options): Declare.
4638         (VXWORKS_OVERRIDE_OPTIONS): Use it.
4639         * config/vxworks.c: Include target.h and toplev.h.
4640         (vxworks_override_options): New function.
4641         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
4642
4643 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
4644
4645         * config/s390/s390.c (override_options): Don't emit an error when
4646         -mstack-size is used without providing -mstack-guard.
4647         (s390_emit_prologue): Choose stack_guard value automatically if not
4648         provided via command line.
4649         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
4650
4651 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
4652
4653         * config/i386/i386.c (output_set_got): Add a GOT initialization
4654         sequence for VxWorks PIC.
4655         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
4656         around labels as well as symbols.  Use gotoff_operand instead
4657         of local_symbolic_operand.
4658         (legitimize_pic_address): Use gotoff_operand instead of
4659         local_symbolic_operand.  Use @GOT accesses for labels as
4660         well as symbols.
4661         (ix86_output_addr_diff_elt): Use PC-relative rather than
4662         GP-relative offsets for VxWorks PIC.
4663         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
4664         no_new_pseudos.  Check whether the returned register is op0.
4665         * config/i386/i386.md (tablejump): Use PC-relative rather than
4666         GP-relative offsets for VxWorks PIC.
4667         * config/i386/predicates.md (gotoff_operand): New predicate.
4668
4669 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4670
4671         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
4672         before defining.
4673         * config/vxworks-dummy.h: New file.
4674         * config/i386/i386.h: Include it.
4675
4676 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
4677
4678         * dwarf2out.c (is_inlined_entry_point): New
4679         (add_high_low_attributes): Emit DW_AT_entry_pc along with
4680         DW_AT_ranges if the first subblock is the entry point.
4681
4682 2007-03-06  David Daney  <ddaney@avtrex.com>
4683
4684         * doc/install.texi (mips-*-*): Change recommended binutils
4685         version.
4686
4687 2007-03-06  Anatoly Sokolov <aesok@post.ru>
4688
4689         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
4690         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
4691         devices.
4692         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4693         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4694
4695 2007-03-06  Jan Hubicka  <jh@suse.cz>
4696
4697         * errors.h (warning, error, fatal, internal_error): Mark as cold.
4698         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
4699         are hot.
4700         (probably_cold_bb_p): Cold functions are cold.
4701         (probably_never_executed_bb_p): Cold functions are cold.
4702         (tree_bb_level_predictions): Predict calls to cold functions as not
4703         taken.
4704         (compute_function_frequency): Check hot/cold attributes.
4705         * function.h (function_frequency): Update comments.
4706         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
4707         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
4708         (c_common_att): Add cold and hot.
4709
4710         * doc/extend.texi (hot,cold attributes): Document.
4711
4712 2007-03-06  Andrew Haley  <aph@redhat.com>
4713
4714         * function.c (expand_function_end): Move blockage to just after we
4715         emit the label for the naked return from the function.
4716
4717 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4718
4719         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
4720         before redefining.
4721
4722 2007-03-06  Jan Hubicka  <jh@suse.cz>
4723
4724         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
4725         loaded for constant large models.  Non-large 64bit PIC can do.
4726         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
4727         * cmodel.h: Add LARGE PIC.
4728         * i386.md (UNSPEC_PLTOFF): New.
4729         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
4730         needed.
4731         (*call_1_rex64): Disable for large models.
4732         (*call_1_rex64_large): New.
4733         (*call_value_1_rex64): Disable for large models.
4734         (*call_value_1_rex64_large): New.
4735         (set_rip_rex4): New.
4736         (set_got_offset_rex64): New.
4737         * predicates.md (constant_call_address_operand): For large model
4738         constant calls are not possible.
4739         * i386-protos.h (construct_plt_address): Declare.
4740         * i386.c (override_options): Accept large models.
4741         (ix86_expand_prologue): Expand large PIC GOT pointer load.
4742         (legitimate_constant_p): Add new UNSPECs.
4743         (legitimate_pic_operand_p): Likewise.
4744         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
4745         (legitimize_pic_address): Do easy RIP relative way for TLS only for
4746         non-large model.
4747         (output_pic_addr_const): Add PLTOFF.
4748         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
4749         (ix86_expand_move): Legitimize pic address when in PIC mode.
4750         (construct_plt_address): New function.
4751         (ix86_expand_call): Offload the address to register and use GOT pointer
4752         for large model.
4753         * invoke.texi (mcmodel=large): Update documentation.
4754
4755 2007-03-06  Richard Henderson  <rth@redhat.com>
4756
4757         * config/i386/i386.c (x86_use_leave, x86_push_memory,
4758         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
4759         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
4760         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
4761         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
4762         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
4763         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
4764         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
4765         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
4766         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4767         x86_partial_reg_dependency, x86_memory_mismatch_stall,
4768         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
4769         x86_sse_partial_reg_dependency, x86_sse_split_regs,
4770         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
4771         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
4772         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
4773         x86_schedule, x86_use_bt, x86_pad_returns,
4774         x86_use_xchgb): Merge into ...
4775         (ix86_tune_features): ... here.  New array.
4776         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
4777         x86_bswap): Merge into ...
4778         (ix86_arch_features): ... here.  New array.
4779         (x86_3dnow_a): Remove.
4780         (x86_accumulate_outgoing_args): Make static.
4781         (x86_arch_always_fancy_math_387): Make static.
4782         (ix86_tune_mask, ix86_arch_mask): Move ...
4783         (override_options): ... to local variables here.  Apply the
4784         appropriate mask to each element of ix86_arch_features and
4785         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
4786         as were done in the old macros.
4787         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
4788         * config/i386/i386.h (x86_use_leave, x86_push_memory,
4789         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
4790         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
4791         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
4792         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
4793         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
4794         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
4795         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
4796         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
4797         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
4798         x86_partial_reg_dependency, x86_memory_mismatch_stall,
4799         x86_accumulate_outgoing_args, x86_prologue_using_move,
4800         x86_epilogue_using_move, x86_decompose_lea,
4801         x86_arch_always_fancy_math_387, x86_shift1,
4802         x86_sse_partial_reg_dependency, x86_sse_split_regs,
4803         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
4804         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
4805         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
4806         x86_use_incdec, x86_pad_returns, x86_bswap,
4807         x86_partial_flag_reg_stall): Remove.
4808         (enum ix86_tune_indices): New.
4809         (ix86_tune_features): New.
4810         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
4811         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
4812         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
4813         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
4814         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
4815         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
4816         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
4817         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
4818         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
4819         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
4820         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
4821         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
4822         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
4823         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
4824         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
4825         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
4826         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
4827         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
4828         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
4829         TARGET_EXT_80387_CONSTANTS): Use it.
4830         (enum ix86_arch_indices): New.
4831         (ix86_arch_features): New.
4832         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
4833         TARGET_BSWAP): Use it.
4834         (ix86_tune_mask, ix86_arch_mask): Remove.
4835
4836 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
4837
4838         PR bootstrap/31020
4839         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
4840         Define using $${sysroot_headers_suffix}.
4841         * configure: Regenerate.
4842         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
4843         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
4844         defined.
4845         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
4846         * gcc.c (print_sysroot_headers_suffix): New.
4847         (option_map): Include --print-sysroot-headers-suffix.
4848         (display_help): Mention -print-sysroot-headers-suffix.
4849         (process_command): Handle -print-sysroot-headers-suffix.
4850         (do_spec_1): Append multilib directory to include-fixed path if
4851         sysroot suffixes in use.
4852         (main): Handle -print-sysroot-headers-suffix.
4853         * Makefile.in (start.encap): Don't depend on xlimits.h
4854         (xlimits.h): Remove.
4855         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
4856         limits.h for each multilib in fixinc_list.
4857         (fixinc_list, s-fixinc_list): New.
4858         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
4859         generate them for each multilib in fixinc_list.
4860         (stmp-fixproto): Use include-fixed.  Run fixproto for each
4861         multilib in fixinc_list.
4862         (mostlyclean): Don't remove xlimits.h.
4863         (clean): Remove include-fixed.
4864         (real-install-headers-tar, real-install-headers-cpio,
4865         real-install-headers-cp): Don't copy include, only include-fixed.
4866         (install-mkheaders): Depend on fixinc_list.  Don't depend on
4867         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
4868         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
4869         SYSTEM_HEADER_DIR setting in mkheaders.conf.
4870
4871 2007-03-06  Jan Hubicka  <jh@suse.cz>
4872
4873         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
4874         NANs easilly.
4875
4876 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4877
4878         * configure.ac: Allow tm_file to contain build-directory files.
4879         * configure: Regenerate.
4880         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
4881         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
4882         * config/m68k/print-sysroot-suffix.sh: New file.
4883
4884 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4885
4886         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
4887         of pic_offset_table_rtx if reload_completed.
4888         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
4889         PIC_OFFSET_TABLE_REGNUM.
4890         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
4891         return true.
4892         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
4893         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
4894
4895 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4896
4897         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
4898         functions that call eh_return.
4899
4900 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4901
4902         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
4903         functions that need a constant pool.
4904
4905 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4906
4907         PR target/28181
4908         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
4909         (m68k_preferred_reload_class): Likewise.
4910         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
4911         (SECONDARY_RELOAD_CLASS): Define.
4912         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
4913         (LIMIT_RELOAD_CLASS): Delete.
4914         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
4915         registers from storing bytes.
4916         (m68k_secondary_reload_class): New function.
4917         (m68k_preferred_reload_class): Likewise.
4918
4919 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4920
4921         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
4922         leaf functions.
4923         (m68k_expand_prologue): Likewise.
4924
4925 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4926
4927         * config/m68k/m68k-protos.h (output_sibcall): Declare.
4928         (mips_expand_epilogue): Add a bool parameter.
4929         (m68k_legitimize_sibcall_address): Declare.
4930         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
4931         (m68k_expand_epilogue): Add a parameter to select between sibling
4932         and normal epilogues.  Only generate a return for the latter.
4933         (m68k_ok_for_sibcall_p): New function.
4934         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
4935         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
4936         (sibcall_value, *sibcall_value): Likewise.
4937         (*call, *call_value): Require !SIBLING_CALL_P.
4938         (epilogue): Update call to m68k_expand_epilogue.
4939         (sibcall_epilogue): New pattern.
4940         * config/m68k/predicates.md (const_call_operand): Say that this
4941         predicate applies to sibling calls too.
4942         (sibcall_operand): New predicate.
4943
4944 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4945
4946         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
4947         alternatives as movsi_cf.
4948         (movsf_cf_hard): Add commentary.
4949
4950 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
4951             Richard Sandiford  <richard@codesourcery.com>
4952
4953         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
4954         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
4955         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
4956         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
4957         as being live on exit from an interrupt function.
4958         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
4959         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
4960         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
4961         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
4962         (m68k_interrupt_function_p): Globalize.
4963         (m68k_compute_frame_layout): Remove reverse mask code.
4964         (m68k_emit_movem, m68k_set_frame_related): New functions.
4965         (m68k_output_function_prologue): Delete in favor of...
4966         (m68k_expand_prologue): ...this new function.
4967         (m68k_output_function_epilogue): Delete in favor of...
4968         (m68k_expand_epilogue): ...this new function.
4969         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
4970         functions.
4971         (print_operand): Handle %?.
4972         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
4973         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
4974         (prologue, epilogue): New patterns.
4975         (return): Turn into a define_expand.
4976         (*return): New pattern, derived from old "return" pattern.  Use rte
4977         rather than rts for interrupt functions.  Only use rtd if the pop
4978         count is nonzero.
4979         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
4980         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
4981         (link, *link, unlink, *unlink, load_got): Likewise.
4982
4983 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4984
4985         PR target/23482
4986         PR target/17114
4987         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
4988         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
4989         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
4990         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
4991         and m68k_matches_u_p.
4992         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
4993         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
4994         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
4995         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
4996         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
4997         (REG_STRICT_P): New macro.
4998         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
4999         PCREL_GENERAL_OPERAND_OK.
5000         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
5001         m68k_legitimate_base_reg_p.
5002         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
5003         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
5004         (PIC_CASE_VECTOR_ADDRESS): Update comment.
5005         * config/m68k/m68k.c (m68k_address): New structure.
5006         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
5007         (m68k_decompose_index, m68k_legitimate_constant_address_p)
5008         (m68k_jump_table_ref_p, m68k_decompose_address)
5009         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
5010         (m68k_matches_u_p): New functions.
5011         (print_operand_address): Rewrite to use m68k_decompose_index.
5012
5013 2007-03-05  David Taylor  <dtaylor@emc.com>
5014
5015         * gcc.c: Correct copyright date in --version output.
5016
5017 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5018
5019         * pa.md: In unamed move patterns, disparge copies between general
5020         and floating point registers using '?' modifier.  Don't include 'f'
5021         constraint for register preferences in DImode, SImode, HImode and
5022         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
5023         Remove constraints for copies between general and floating registers
5024         in soft-float DFmode pattern.
5025         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
5026         floating register.
5027         (movsf): Likewise.
5028
5029 2007-03-05  Mike Stump  <mrs@apple.com>
5030
5031         * c-common.c (targetcm): Add.
5032         * c-opts.c (c_common_handle_option): Handle language specific
5033         target options.
5034         * opts.c (handle_option): Verify language for target options, if
5035         any are given.
5036         * opth-gen.awk: Add CL_LANG_ALL.
5037         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
5038         (TARGETCM_INITIALIZER): Add.
5039         * target.h (struct gcc_targetcm): Add.
5040         (targetcm): Add.
5041         * targhooks.c (default_handle_c_option): Add.
5042         * targhooks.h (default_handle_c_option): Add.
5043         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
5044
5045         * config/darwin.opt (iframework): Add.
5046         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
5047         * config/darwin-c.c (handle_c_option): Add.
5048         (TARGET_HANDLE_C_OPTION): Add.
5049         (targetcm): Add.
5050         * doc/invoke.texi (Darwin Options): Add -iframework.
5051
5052 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5053
5054         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
5055         conversion.
5056
5057 2007-03-05  Ian Lance Taylor  <iant@google.com>
5058
5059         * c.opt (fgnu89-inline): New option.
5060         * c-opts.c (c_common_post_options): Set default value for
5061         flag_gnu89_inline.
5062         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
5063         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
5064         inline functions.
5065         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
5066         (grokdeclarator, start_function): Likewise.
5067         * c-cppbuiltin.c (c_cpp_builtins): Define either
5068         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
5069         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
5070         (C Dialect Options): Document -fgnu89-inline.
5071         * doc/extend.texi (Function Attributes): Explain what the
5072         gnu_inline attribute does.
5073         * doc/cpp.texi (Common Predefined Macros): Document
5074         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
5075
5076 2007-03-05  Ian Lance Taylor  <iant@google.com>
5077
5078         PR tree-optimization/31034
5079         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
5080         half-range if the other side is an overflow infinity.
5081
5082 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
5083
5084         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
5085         (bfin*-linux-uclibc*): New configuration.
5086         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
5087         defining.
5088         * config/bfin/linux.h: New file.
5089         * config/bfin/libgcc-bfin.ver: New file.
5090         * config/bfin/t-bfin-uclinux: New file.
5091         * config/bfin/t-bfin-linux: New file.
5092         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
5093         (TARGET_OS_CPP_BUILTINS): New macro.
5094
5095 2007-03-05  Richard Guenther  <rguenther@suse.de>
5096
5097         * fold-const.c (fold_binary): Remove duplicate folding
5098         of comparison of non-null ADDR_EXPR against null.
5099
5100 2007-03-05  Richard Guenther  <rguenther@suse.de>
5101             Dorit Nuzman  <dorit@il.ibm.com>
5102
5103         PR tree-optimization/26420
5104         * tree-vectorizer.c (vectorize_loops): Bail out early if there
5105         are no loops in the function.  Only print the number of
5106         vectorized loops if it is greater than zero or we are supposed
5107         to print information about unvectorized loops.
5108
5109 2007-03-05  Revital Eres  <eres@il.ibm.com>
5110
5111         * gcc.dg/var-expand1.c: New test.
5112         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
5113         when an accumulator is expanded.
5114
5115 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5116
5117         PR other/30465
5118         * c-common.c (convert_and_check): Don't give warnings for
5119         conversion if 'expr' already overflowed.
5120
5121 2007-03-04  Roger Sayle  <roger@eyesopen.com>
5122
5123         PR middle-end/30744
5124         * fold-const.c (fold_comparison): Enforce type consistency when
5125         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
5126
5127 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
5128
5129         * tree-ssa-address.c (create_mem_ref): Do not put an expression
5130         containing a cast to the base of TARGET_MEM_REF.
5131
5132 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
5133
5134         * tree.c (tree_contains_struct_check_failed): Remove spurious
5135         whitespace from error message.
5136
5137 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
5138
5139         PR target/30406
5140         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
5141         instead of precision.
5142
5143 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
5144             Nathan Sidwell  <nathan@codesourcery.com>
5145
5146         * emit-rtl.c (find_auto_inc): New.
5147         (try_split): recreate REG_INC notes,
5148         Use regular for loops rather than whiles.
5149
5150 2007-03-03  Andreas Schwab  <schwab@suse.de>
5151
5152         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
5153         * configure: Regenerate.
5154
5155 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5156
5157         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
5158         flag_rounding_math, not flag_unsafe_math_optimizations.
5159
5160         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
5161         fold_build2.
5162         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
5163         alpha_fold_vector_minmax): Likewise.
5164         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5165         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
5166
5167 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5168
5169         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
5170         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
5171         if the lhs has side-effects.
5172         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
5173
5174 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5175
5176         * config/i386/i386.h (TUNEMASK): Remove define.
5177         (ARCHMASK): Remove define.
5178         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
5179          Use ix86_arch_mask variable instead of ARCHMASK.
5180         * config/i386/i386.c (override_options): Ditto.
5181         (standard_80387_constant_p): Ditto.
5182
5183 2007-03-02  Ian Lance Taylor  <iant@google.com>
5184
5185         Used signed infinities in VRP.
5186         * tree-vrp.c (uses_overflow_infinity): New static function.
5187         (supports_overflow_infinity): New static function.
5188         (make_overflow_infinity): New static function.
5189         (negative_overflow_infinity): New static function.
5190         (positive_overflow_infinity): New static function.
5191         (is_negative_overflow_infinity): New static function.
5192         (is_positive_overflow_infinity): New static function.
5193         (is_overflow_infinity): New static function.
5194         (overflow_infinity_range_p): New static function.
5195         (compare_values_warnv): New function split out of compare_values.
5196         (compare_value): Call it.
5197         (set_value_range_to_nonnegative): Add overflow_infinity
5198         parameter.  Change caller.
5199         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
5200         Change callers.
5201         (vrp_expr_computes_nonzero): Likewise.
5202         (compare_ranges, compare_range_with_value): Likewise.
5203         (compare_name_with_value, compare_names): Likewise.
5204         (vrp_evaluate_conditional): Likewise.
5205         (set_value_range): Handle infinity
5206         (vrp_operand_equal_p, operand_less_p): Likewise.
5207         (extract_range_from_assert): Likewise.
5208         (vrp_int_const_binop): Likewise.
5209         (extract_range_from_binary_expr): Likewise.
5210         (extract_range_from_unary_expr): Likewise.
5211         (extract_range_from_comparison): Likewise.
5212         (extract_range_from_expr): Likewise.
5213         (dump_value_range): Likewise.
5214         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
5215         (test_for_singularity): Likewise.
5216         (vrp_int_const_binop): Remove inline qualifier.
5217         (adjust_range_with_scev): Add comment.
5218         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5219
5220 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
5221
5222         * tree-ssa-structalias.c (could_have_pointers): Tidy.
5223         (get_constraint_for): Likewise.
5224         (do_structure_copy): Likewise.
5225         (find_func_aliases): Fix references to MODIFY_EXPR.
5226         (intra_create_variable_infos): Tidy.
5227         * tree-ssa-operands.c (add_virtual_operand): Add argument
5228         IS_CALL_SITE.
5229         When adding members of alias sets, if IS_CALL_SITE is true and
5230         the symbol is not call-clobbered, skip it.
5231         Adjust all callers.
5232
5233 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5234
5235         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
5236         entry by means of emit_insn_at_entry.
5237
5238 2007-03-02  Richard Henderson  <rth@redhat.com>
5239
5240         * expr.h (promoted_input_arg): Remove decl.
5241         * function.c (promoted_input_arg): Merge into ...
5242         * combine.c (setup_incoming_promotions): ... only caller.
5243         Rearrange to avoid double loop.
5244
5245 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5246             Peter Bergner  <bergner@vnet.ibm.com>
5247             Janis Johnson  <janis187@us.ibm.com>
5248
5249         * config/rs6000/dfp.md: New file.
5250         * config/rs6000/rs6000.md: Include dfp.md.
5251         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
5252         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
5253         and TDmode decimal float modes in FP registers.
5254         (num_insns_constant): Likewise.
5255         (rs6000_legitimate_offset_address_p): Likewise.
5256         (rs6000_legitimize_address): Likewise.
5257         (rs6000_legitimize_reload_address): Likewise.
5258         (rs6000_legitimate_address): Likewise.
5259         (rs6000_emit_move): Likewise.
5260         (function_arg_boundary): Likewise.
5261         (function_arg_advance): Likewise.
5262         (rs6000_darwin64_record_arg_recurse): Likewise.
5263         (function_arg): Likewise.
5264         (rs6000_gimplify_va_arg): Likewise.
5265         (rs6000_split_multireg_move): Likewise.
5266         (rs6000_output_function_epilogue): Likewise.
5267         (rs6000_output_function_epilogue): Likewise.
5268         (rs6000_register_move_cost): Likewise.
5269         (rs6000_function_value): Likewise.
5270         (rs6000_libcall_value): Likewise.
5271
5272 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5273
5274         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
5275
5276 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5277
5278         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
5279         Use $MULTIDIR to choose between the kernel and RTP headers,
5280         and use $WIND_BASE and $WIND_USR to locate them.
5281
5282 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5283
5284         * config/i386/i386.c (override_options): Put initialization of
5285         ix86_tune_mask and ix86_arch_mask to the correct place.
5286
5287 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5288             Michael Meissner  <michael.meissner@amd.com>
5289
5290         PR target/31019
5291         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
5292         (ARCHMASK): Define.
5293         (TARGET_CMOVE): Use ARCHMASK.
5294         (TARGET_CMPXCHG): Ditto.
5295         (TARGET_CMPXCHG8B): Ditto.
5296         (TARGET_XADD): Ditto.
5297         (TARGET_BSWAP): Ditto.
5298         * config/i386/i386.c (ix86_tune_mask): New global variable.
5299         (ix86_arch_mask): Ditto.
5300         (override_options): Initialize ix86_tune_mask and
5301         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
5302         target_flags.
5303
5304 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5305
5306         PR 30992
5307         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
5308
5309 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
5310
5311         * target.h (init_dwarf_reg_sizes_extra): New target hook.
5312         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
5313         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
5314         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
5315         hook.
5316         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
5317         rs6000_init_dwarf_reg_sizes_extra): New.
5318         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
5319         SPE register high parts.
5320
5321 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
5322
5323         * Makefile.in: Add install-pdf target as
5324         copied from automake v1.10 rules.
5325         * configure.ac: Add install-pdf to target list.
5326         * configure: Regenerate.
5327
5328 2007-03-01  Paul Brook  <paul@codesourcery.com>
5329
5330         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
5331         modes to LDRD for DImode.
5332         (output_move_double): Fixup out of range ldrd/strd.
5333         (vfp_secondary_reload_class): Rename...
5334         (coproc_secondary_reload_class): ... to this.  Add wb argument.
5335         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
5336         coproc_secondary_reload_class for CLASS_IWMMXT.
5337         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
5338         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
5339
5340 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
5341
5342         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
5343         factor by the estimated number of iterations.
5344         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
5345         prefetch latency.
5346
5347         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
5348         decode_caches_intel, detect_caches_intel): New functions.
5349         (host_detect_local_cpu): Use detect_caches_amd and
5350         detect_caches_intel.
5351
5352 2007-03-01  Richard Henderson  <rth@redhat.com>
5353
5354         * expr.c (emit_move_complex_push): Export.
5355         (emit_move_complex_parts): Split out from ...
5356         (emit_move_complex): ... here.
5357         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
5358         * config/i386/i386.md (movcdi): New.
5359
5360 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
5361
5362         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
5363         size of mode1 to check for tieable modes in MMX case.
5364
5365 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
5366
5367         * Makefile.in (rtlanal.o): Depend on tree.h.
5368         * rtl.h (offset_within_section_p, split_const): Declare.
5369         * rtlanal.c: Include tree.h.
5370         (offset_within_block_p): New function, taken from
5371         mips_offset_within_object_p.
5372         (split_const): New function, taken from mips_split_const.
5373         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
5374         Declare.
5375         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
5376         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
5377         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
5378         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
5379         (m68k_illegitimate_symbolic_constant_p): New function.
5380         * config/m68k/m68k.md (movsi): Remove misleading predicates.
5381         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
5382         symbolic constant that might be outside the symbol's section,
5383         move the symbol first and then add the offset.
5384         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
5385         Override.
5386         * config/mips/mips.c (mips_split_const): Delete.
5387         (mips_offset_within_object_p): Delete.
5388         (mips_symbolic_constant_p): Use offset_within_section_p and
5389         split_const instead of mips_offset_within_object_p and
5390         mips_split_const.
5391         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
5392         (mips_legitimize_const_move, print_operand_reloc)
5393         (mips_dangerous_for_la25_p): Use split_const instead of
5394         mips_split_const.
5395
5396 2007-02-28  Eric Christopher  <echristo@apple.com>
5397
5398         * Makefile.in (install-include-dir): Don't rm -rf include.
5399
5400 2007-02-28  Richard Guenther  <rguenther@suse.de>
5401
5402         PR middle-end/30364
5403         * fold-const.c (fold_binary): Do not associate expressions
5404         with more than one variable for integer types that do not wrap.
5405
5406 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
5407
5408         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
5409         Delete, and replace with...
5410         (fold_builtin_call_array): This.  Update callers to use it.
5411         * fold-const.c (fold_build_call_list): Delete, and replace with...
5412         (fold_build_call_array): This.
5413         (fold_build_call_list_initializer): Delete, and replace with...
5414         (fold_build_call_array_initializer): This.
5415         * tree.h: Update declarations to reflect above changes.
5416
5417         * c-typeck.c (build_function_call): Store converted arguments
5418         in a stack-allocated array instead of building a list.
5419         (convert_arguments): Store arguments in the array passed in as an
5420         argument, and return the actual number of arguments.
5421         * c-format.c: (check_function_format): Pass arguments in an
5422         array instead of a list.
5423         * c-common.c (check_function_nonnull): Likewise.
5424         (check_function_sentinel): Likewise.
5425         (check_function_arguments): Likewise.
5426         * c-common.h: Update declarations to reflect above changes.
5427
5428 2007-02-28  Jan Hubicka  <jh@suse.cz>
5429
5430         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
5431         PRED_NEGATIVE_RETURN): Update outcomes.
5432
5433 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
5434
5435         * calls.c (emit_library_call_value_1): Handle partial registers
5436         correctly when building up CALL_INSN_FUNCTION_USAGE.
5437
5438 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5439
5440         * pa/predicates.md (move_src_operand): Allow zero for mode.
5441         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
5442         move pattern.
5443
5444 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
5445
5446         PR target/30970
5447         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
5448         *movv2df_internal): Enable pattern only for valid operand
5449         combinations.
5450         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
5451         tie only 128bit modes. For MMX registers, tie only 64bit modes.
5452
5453 2007-02-27  Mike Stump  <mrs@apple.com>
5454
5455         * config/darwin-crt3.c: Avoid compilation when compiling for a
5456         kext multilib.
5457
5458 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
5459
5460         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
5461         FIXED_INCLUDE_DIR.
5462         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
5463         for fixed headers and limits.h.
5464         (install-include-dir, install-headers-tar, install-headers-cpio,
5465         install-headers-cp, real-install-headers-tar,
5466         real-install-headers-cpio, real-install-headers-cp): Handle
5467         include-fixed as well as include.
5468         (install-mkheaders): Don't install files that go only in include
5469         not include-fixed.
5470         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
5471         from GCC_INCLUDE_DIR.
5472         * gcc.c (process_command): Remove special -BstageN/ handling.
5473         (do_spec_1): Add include-fixed directories.
5474
5475 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5476
5477         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
5478         _smulsi3_highpart.
5479         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
5480         New functions.
5481         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
5482         patterns.
5483
5484 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
5485
5486         * c-common.c (get_priority): Add check for
5487         SUPPORTS_INIT_PRIORITY.
5488
5489 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5490
5491         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
5492
5493         * config/bfin/bfin.c: Include "cfglayout.h".
5494         (MAX_LSETUP_DISTANCE): New macro.
5495         (struct loop_info): New members incoming, incoming_src and
5496         incoming_dest.  Delete member predecessor.
5497         (length_for_loop): New function.
5498         (bfin_optimize_loop): Handle more different loop structures.
5499         (bfin_discover_loop): Rework detection of predecessor blocks by
5500         examining incoming edges.
5501         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
5502         bfin_reorg_loops.
5503         (bfin_reorder_loops): New function.
5504         (bfin_reorg_loops): Use these three new functions.
5505
5506         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
5507         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
5508         (CONSTRAINT_LEN): Add entry for 'q'.
5509         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
5510         Add 'q' constraints.
5511         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
5512         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
5513
5514         * config/bfin/bfin.md (add_with_carry): New pattern.
5515         (s_or_u, su_optab, su_modifier): New code macros/attrs.
5516         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
5517         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
5518         support unsigned multiplies too.  Removed incorrect commutativity from
5519         operand 1 constraint where appropriate.
5520         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
5521         patterns.
5522         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
5523         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
5524         New patterns.
5525         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
5526         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
5527         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
5528         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
5529         usmulhisi_hh_huh): New patterns.
5530
5531         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
5532         lshifthi3): Fix output template to use half reg for operand 2.
5533
5534         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
5535         instead of R2.
5536
5537         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
5538
5539 2007-02-27  Andreas Schwab  <schwab@suse.de>
5540
5541         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
5542
5543 2007-02-27  Jan Hubicka  <jh@suse.cz>
5544
5545         * predict.c (last_basic_block_p): Remove.
5546         (tree_estimate_probability): Update return heuristic for commonized
5547         return blocks.
5548
5549 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5550
5551         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
5552
5553 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5554
5555         * doc/include/gcc-common.texi (versionsubtitle): New macro.
5556         * doc/cpp.texi: Standardize title page.
5557         * doc/cppinternals.texi: Likewise.
5558         * doc/gcc.texi: Standardize title page, remove version number
5559         from copyright page.
5560         * doc/gccint.texi: Likewise.
5561         * doc/install.texi: Standardize title page, add table of
5562         contents.
5563
5564 2007-02-26  Jan Hubicka  <jh@suse.cz>
5565
5566         * predict.def: Set outcomes according to more recent results.
5567         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
5568         Remove dead predictors.
5569         * predict.c (return_prediction): Fix pasto.
5570
5571 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5572
5573         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
5574         change; avoid a memory leak when returning early.
5575
5576 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
5577
5578         * c-decl.c (static_ctors): Move to c-common.c.
5579         (static_dtors): Likewise.
5580         (finish_function): Use c_record_cdtor_fn.
5581         (build_cdtor): Move to c-common.c.
5582         (c_write_global_declarations): Use c_build_cdtor_fns.
5583         * c-common.h (static_ctors): Declare.
5584         (static_dtors): Likewise.
5585         (c_record_cdtor_fn): Likewise.
5586         (c_build_cdtor_fns): Likewise.
5587         * c-common.c (static_ctors): New variable.
5588         (static_dtors): Likewise.
5589         (c_record_cdtor_fn): New function.
5590         (build_cdtor): Move from c-decl.c
5591         (c_build_cdtor_fns): New function.
5592
5593         * output.h (assemble_addr_to_section): Declare.
5594         (get_cdtor_priority_section): Likewise.
5595         * varasm.c (assemble_addr_to_section): New function.
5596         (get_cdtor_priority_section): Likewise.
5597         (default_named_section_asm_out_destructor): Use them.
5598         (destor_dtor_section_asm_out_destructor): Likewise.
5599         (default_named_section_asm_out_constructor): Likewise.
5600         (default_ctor_section_asm_out_constructor): Likewise.
5601         * config.gcc (*-*-vxworks*): Include vxworks.o.
5602         * config/t-vxworks (vxworks.o): New target.
5603         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
5604         (TARGET_ASM_CONSTRUCTOR): Define.
5605         (TARGET_ASM_DESTRUCTOR): Likewise.
5606         (vxworks_asm_out_constructor): Declare.
5607         (vxworks_asm_out_destructor): Likewise.
5608
5609         * c-common.c (get_priority): Check that we have not just an
5610         INTEGER_CST, but an integer constant with integeral type.
5611
5612 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
5613
5614         PR tree-optimization/30938
5615         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
5616         use &dt[nargs-1] instead of &dt[nargs] in the call to
5617         vect_is_simple_use().
5618
5619 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
5620
5621         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
5622         from register elimination as PRE_MODIFY / POST_MODIFY increments.
5623         Do not attempt to handle MEM inside auto-inc expressions.
5624         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
5625         of a register modified by an auto-inc expression.  However, do handle
5626         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
5627         (elimination_effects): Prohibit elimination of a register modified
5628         by an auto-inc expression.  Disable register elimination rules whose
5629         target register is modified by an auto-inc expression with variable
5630         increment.
5631
5632 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
5633
5634         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
5635         off-by-one error.
5636         (array_at_struct_end_p): New function.
5637         (idx_infer_loop_bounds): Use it.
5638         (estimate_numbers_of_iterations_loop): Export.
5639         * predict.c (predict_loops): Use estimated_loop_iterations_int.
5640         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
5641         (tree_estimate_probability): Call record_loop_exits.
5642         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
5643         (estimated_loop_iterations, estimated_loop_iterations_int,
5644         estimated_loop_iterations_tree): New functions.
5645         (analyze_siv_subscript_cst_affine,
5646         compute_overlap_steps_for_affine_1_2,
5647         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
5648         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
5649         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
5650         (PRED_LOOP_ITERATIONS_GUESSED): New.
5651         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
5652         * cfgloop.h (estimate_numbers_of_iterations_loop,
5653         estimated_loop_iterations_int): Declare.
5654
5655 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
5656
5657         * doc/extend.texi: Document optional priority argument to
5658         constructors and destructors.
5659         * tree.c (init_priority_for_decl): Adjust GTY markers.
5660         (init_ttree): Use priority-info hash functions for
5661         init_priority_for_decl.
5662         (tree_map_eq): Rename to ...
5663         (tree_map_base_eq): ... this.
5664         (tree_map_marked_p): Rename to ...
5665         (tree_map_base_marked_p): ... this.
5666         (tree_map_base_hash): New function.
5667         (decl_init_priority_lookup): Rework.
5668         (decl_fini_priority_lookup): New function.
5669         (decl_priority_info): New function.
5670         (decl_init_priority_insert): Use it.
5671         (decl_fini_priority_insert): Likewise.
5672         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
5673         hierarchy.
5674         (decl_restrict_base_insert): Likewise.
5675         (decl_debug_expr_insert): Likewise.
5676         (decl_value_expr_lookup): Likewise.
5677         (decl_value_expr_insert): Likewise.
5678         * tree.h (priority_type): New type.
5679         (decl_init_priority_lookup): Use priority_type.
5680         (decl_fini_priority_lookup): New function.
5681         (decl_init_priority_insert): Use priority_type.
5682         (decl_fini_priority_insert): New function.
5683         (DECL_HAS_INIT_PRIORITY): Tweak comments.
5684         (DECL_INIT_PRIORITY): Likewise.
5685         (SET_DECL_INIT_PRIORITY): Add comment.
5686         (DECL_FINI_PRIORITY): New macro.
5687         (SET_DECL_FINI_PRIORITY): Likewise.
5688         (DEFAULT_INIT_PRIORITY): Document.
5689         (MAX_INIT_PRIORITY): Likewise.
5690         (MAX_RESERVED_INIT_PRIORITY): Likewise.
5691         (tree_map_base): New type.
5692         (tree_map_base_eq): New function.
5693         (tree_map_base_hash): Likewise.
5694         (tree_map_base_marked_p): Likewise.
5695         (tree_map): Inherit from tree_map_base.
5696         (tree_map_eq): Make it a macro.
5697         (tree_map_marked_p): Likewise.
5698         (tree_int_map): Inherit from tree_map_base.
5699         (tree_int_map_eq): Make it a macro.
5700         (tree_int_map_hash): Likewise.
5701         (tree_int_map_marked_p): Likewise.
5702         (tree_priority_map): New type.
5703         (tree_priority_map_eq): New macro.
5704         (tree_priority_map_hash): Likewise.
5705         (tree_priority_map_marked_p): Likewise.
5706         * varasm.c (emults_decl): Adjust for refactoring of tree_map
5707         hierarchy.
5708         (emutls_common_1): Likewise.
5709         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
5710         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
5711         of tree_map hierarchy.
5712         * tree-cfg.c (move_stmt_r): Likewise.
5713         (new_label_mapper): Likewise.
5714         * c-tree.h (c_expand_body): Move to ...
5715         * c-common.h (c_expand_body): ... here.
5716         * c-decl.c (c_expand_body): Move to ...
5717         * c-common.c (c_expand_body): ... here.
5718         (c_common_attribute_table): Allow 1 argument for the constructor
5719         and destructor attributes.
5720         (get_priority): New function.
5721         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
5722         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
5723
5724 2007-02-24  Jan Hubicka  <jh@suse.cz>
5725
5726         PR middle-end/30509
5727         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
5728
5729 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
5730             Jan Hubicka  <jh@suse.cz>
5731
5732         PR target/30778
5733         * i386.c (counter_mode): New function.
5734         (expand_set_or_movmem_via_loop): Use it.
5735         (expand_movmem_epilogue): Likewise; fix pasto.
5736         (ix86_expand_movmem): Do emit guard even for constant counts.
5737         (ix86_expand_setmem): Likewise.
5738
5739 2007-02-25  Nick Clifton  <nickc@redhat.com>
5740
5741         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
5742         (JUMP_TABLES_IN_TEXT_SECTION): Define.
5743
5744 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
5745
5746         PR target/30770
5747         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
5748         count argument with 0x10, not with 0x16.
5749         (expand_setmem_epilogue): Ditto.
5750
5751 2007-02-24  Mike Stump  <mrs@apple.com>
5752
5753         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
5754         symbols.
5755
5756 2007-02-24  Richard Guenther  <rguenther@suse.de>
5757
5758         PR middle-end/30951
5759         * fold-const.c (fold_binary): Fold x +- CST op x for
5760         EQ_EXPR and NE_EXPR.
5761
5762 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5763
5764         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
5765
5766 2007-02-24  Jan Hubicka  <jh@suse.cz>
5767
5768         * cgraphunit.c (decide_is_function_needed): Honor
5769         -fkeep-inline-functions.
5770
5771 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5772
5773         * builtins.c (fold_builtin_modf): New.
5774         (fold_builtin_2): Use it.
5775
5776 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
5777
5778         * loop-iv.c (implies_p): Detect additional cases where A implies B.
5779         (determine_max_iter): Take additional LOOP arg; all callers changed.
5780         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
5781         one using simplifications.
5782         (simplify_using_initial_values): Return if the expression becomes
5783         invalid due to altered regs.
5784
5785 2007-02-23  DJ Delorie  <dj@redhat.com>
5786
5787         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
5788
5789 2007-02-23  Mike Stump  <mrs@apple.com>
5790
5791         * tlink.c (scan_linker_output): Parse linker messages from
5792         darwin9's linker better.
5793
5794 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
5795
5796         PR debug/29614
5797         * varpool.c (varpool_assemble_pending_decls):  Set
5798         varpool_last_needed_node to null.
5799
5800 2007-02-23  DJ Delorie  <dj@redhat.com>
5801
5802         * config/i386/i386.c (ix86_data_alignment): Don't specify an
5803         alignment bigger than the object file can handle.
5804
5805 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
5806
5807         PR target/30825
5808         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
5809         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
5810         (*movsf_1): Penalize MMX moves.
5811
5812 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
5813
5814         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
5815         2^32-1 or more times unless flag_unsafe_loop_optimizations.
5816
5817         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
5818
5819 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5820
5821         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
5822         (fold_builtin_1): Use them.
5823         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
5824         BUILT_IN_SIGNIFICAND.
5825
5826 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
5827
5828         * config/i386/i386.c (bdesc_1arg): Initialize
5829         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
5830         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
5831         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
5832         and IX86_BUILTIN_MOVSLDUP.
5833
5834 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
5835
5836         PR rtl-optimization/30841
5837         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
5838
5839 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5840
5841         * builtins.c (fold_builtin_frexp): New.
5842         (fold_builtin_2): Use it.
5843
5844 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
5845
5846         * doc/invoke.texi (Spec Files): Document getenv spec function.
5847
5848         * gcc.c (getenv_spec_function): New function.
5849         (static_spec_functions): Add it.
5850         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
5851         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
5852         header files.
5853
5854 2007-02-22  Michael Matz  <matz@suse.de
5855
5856         PR c++/29433
5857         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
5858         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
5859
5860 2007-02-22  Ian Lance Taylor  <iant@google.com>
5861
5862         PR debug/30898
5863         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
5864         (mem_loc_descriptor): Call it.
5865
5866 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
5867             Ira Rosen  <irar@il.ibm.com>
5868
5869         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
5870
5871 2007-02-22  Ira Rosen  <irar@il.ibm.com>
5872
5873         PR tree-optimization/30843
5874         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
5875         stores only after all the group is vectorized.
5876
5877 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
5878
5879         PR tree-optimization/30858
5880         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
5881         in the reduction cycle have a single use in the loop.
5882         * tree-vectorizer.h (relevant): Add documentation.
5883
5884 2007-02-20  Mike Stump  <mrs@apple.com>
5885
5886         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
5887         * configure: Regenerate.
5888
5889 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
5890
5891         Change the defaults of some parameters and options.
5892         * config/spu/spu-protos.h (spu_optimization_options): Declare.
5893         * config/spu/spu.c (spu_optimization_options): Add.
5894         (spu_override_options): Change params in spu_optimization_options.
5895         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
5896
5897         Register 127 is only 16 byte aligned when used as a frame pointer.
5898         * config/spu/spu-protos.h (spu_init_expanders): Declare.
5899         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
5900         HARD_FRAME_POINTER_REGNUM.
5901         (spu_legitimate_address):  Use regno_aligned_for_reload.
5902         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
5903         aligned when frame_pointer_needed is true.
5904         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
5905         to 8 bits.
5906         * config/spu/spu.h (INIT_EXPANDERS): Define.
5907
5908         Make sure shift and rotate instructions have valid immediate operands.
5909         * config/spu/predicates.md (spu_shift_operand): Remove.
5910         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
5911         * config/spu/constraints.md (W, O): Extend range.
5912         * config/spu/spu.md (umask, nmask): Define.
5913         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
5914         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
5915         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
5916         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
5917         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
5918         (lshr<mode>3_reg):  Fix rtl description.
5919
5920         Make sure mulhisi immediate operands are valid.
5921         * config/spu/predicates.md (imm_K_operand): Add.
5922         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
5923
5924         Generate constants using fsmbi and andi.
5925         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
5926         (print_operand, spu_split_immediate, classify_immediate,
5927         fsmbi_const_p): Handle IC_FSMBI2.
5928
5929         Correctly handle a CONST_VECTOR containing symbols.
5930         * config/spu/spu.c (print_operand): Handle HIGH correctly.
5931         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
5932         (immediate_load_p): Allow symbols that use 2 instructions to create.
5933         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
5934         with symbols when flag_pic is set.
5935         (const_vector_immediate_p): New.
5936         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
5937         accept a CONST_VECTOR with symbols.
5938         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
5939         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
5940         correctly.
5941         * config/spu/spu.md (high, low): Delete.
5942         (low_<mode>): Define.
5943
5944         Remove INTRmode and INTR_REGNUM, which didn't work.
5945         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
5946         of INTR_REGNUM.
5947         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
5948         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
5949         peephole2 pattern): Don't use INTR or 131.
5950         (movintrcc): Delete.
5951         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
5952         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
5953         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
5954         (UNSPEC_SET_INTR): Add.
5955         * config/spu/spu-modes.def (INTR): Remove.
5956
5957         More accurate warnings about run-time relocations.
5958         * config/spu/spu.c (reloc_diagnostic): Test in_section.
5959
5960         Correctly warn about immediate arguments to specific intrinsics.
5961         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
5962         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
5963         the instruction predicate.
5964
5965         Fix tree check errors with latest update.
5966         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
5967         CALL_EXPR_ARG.
5968         (spu_expand_builtin): Use CALL_EXPR_FN.
5969
5970         Add missing specific intrinsics.
5971         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
5972         si_bislede.
5973         * config/spu/spu_internals.h: Ditto.
5974
5975         Fix incorrect operand modifiers.
5976         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
5977         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
5978
5979         Optimize one case of zero_extend of a vec_select.
5980         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
5981
5982         Accept any immediate for hbr.
5983         * config/spu/spu.md (hbr):  Change s constraints to i.
5984
5985 2007-02-21  Paul Brook  <paul@codesourcery.com>
5986
5987         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
5988         condexec_count when skipping USE and CLOBBER.
5989
5990 2007-02-21  Nick Clifton  <nickc@redhat.com>
5991
5992         * common.opt (Warray-bounds): Add Warning attribute.
5993         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
5994         Likewise.
5995         (fsized-zeroes): Add Optimization attribute.
5996         (fsplit-wide-types, ftree-scev-cprop): Likewise.
5997         * c.opt (Wc++0x-compat): Add Warning attribute.
5998
5999 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
6000
6001         PR middle-end/30761
6002         * reload1.c (eliminate_regs_in_insn): In the single_set special
6003         case, attempt to re-recognize the insn before falling back to
6004         having reload fix it up.
6005
6006 2007-02-20  Eric Christopher  <echristo@gmail.com>
6007
6008         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
6009         Rewrite accordingly.
6010         (frv_read_iacc_argument): Ditto.
6011         (frv_expand_set_builtin): Take a call instead of arglist, update for
6012         above changes.
6013         (frv_expand_unop_builtin): Ditto.
6014         (frv_expand_binop_builtin): Ditto.
6015         (frv_expand_cut_builtin): Ditto.
6016         (frv_expand_binopimm_builtin): Ditto.
6017         (frv_expand_voidbinop_builtin): Ditto.
6018         (frv_expand_int_void2arg): Ditto.
6019         (frv_expand_prefetches): Ditto.
6020         (frv_expand_voidtriop_builtin): Ditto.
6021         (frv_expand_voidaccop_builtin): Ditto.
6022         (frv_expand_load_builtin): Ditto.
6023         (frv_expand_store_builtin): Ditto.
6024         (frv_expand_mdpackh_builtin): Ditto.
6025         (frv_expand_mclracc_builtin): Ditto.
6026         (frv_expand_mrdacc_builtin): Ditto.
6027         (frv_expand_mwtacc_builtin): Ditto.
6028         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
6029         calls for above.
6030
6031 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
6032
6033         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
6034         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
6035         cmpb instruction.
6036         (HAVE_GAS_DFP): Check for assembler support of decimal floating
6037         point instructions.
6038         * configure: Regenerate.
6039         * config.in: Regenerate.
6040         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
6041         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
6042         masks to power6 and power6x and to POWERPC_MASKS.
6043         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6044         _ARCH_PWR6.
6045         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
6046         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
6047         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
6048         Access PROTOTYPE as variable, not mask.
6049
6050 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6051
6052         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
6053         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
6054         * combine.c (adjust_for_new_dest): Use it.
6055         * postreload.c (reload_combine): Likewise.
6056
6057 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6058
6059         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
6060         notes on an insn with multiple sets, even if single_set returns
6061         non-NULL for that insn.
6062
6063 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6064
6065         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
6066         scalbn and scalbln.
6067
6068 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
6069
6070         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
6071         if user didn't pass it.
6072         * config/i386/darwin.h (CC1_SPEC): Likewise.
6073         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
6074         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
6075         -mmacosx-version-min.
6076
6077 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6078             Uros Bizjak  <ubizjak@gmail.com>
6079
6080         * optabs.h (enum optab_index): Add new OTI_scalb.
6081         (scalb_optab): Define corresponding macro.
6082         * optabs.c (init_optabs): Initialize scalb_optab.
6083         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
6084         patterns.
6085         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
6086         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
6087         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
6088         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
6089         flag_unsafe_math_optimizations is set.
6090
6091         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
6092         to implement scalbf, scalb and scalbl built-ins as inline x87
6093         intrinsics.
6094
6095 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6096             DJ Delorie <dj@redhat.com>
6097
6098         PR other/30824
6099         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
6100         (diagnostic_report_diagnostic): ... here, and turn them into real
6101         errors. If warnings are inhibited, no need to do anything.
6102
6103 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
6104
6105         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
6106         better code generation.
6107
6108 2007-02-20  Ben Elliston  <bje@au.ibm.com>
6109
6110         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
6111
6112 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
6113
6114         * config/alpha/alpha.c, config/alpha/alpha.md,
6115         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
6116         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
6117         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
6118         config/arm/lib1funcs.asm: Follow spelling conventions.
6119
6120         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
6121         config/fr30/fr30.md, config/i386/i386.h,
6122         config/iq2000/iq2000.h, config/iq2000/predicates.md,
6123         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
6124         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
6125         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
6126         config/rs6000/altivec.md, config/rs6000/rs6000.c,
6127         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
6128         config/sparc/sparc.c, config/sparc/sparc.h,
6129         config/sparc/sparc.md, config/spu/constraints.md,
6130         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
6131         conventions.
6132
6133 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
6134
6135         PR target/29943
6136         * varasm.c (use_blocks_for_decl_p): Return false for decls with
6137         alias attribute.
6138
6139 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6140
6141         * doc/invoke.texi (-ftree-lrs): Remove.
6142
6143 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
6144
6145         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
6146         NULL.
6147
6148 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
6149
6150         * config/ia64/ia64.c (ia64_expand_builtin): Use the
6151         new CALL_EXPR_FN macro for retrieving the function
6152         declaration of the input expression.
6153
6154 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6155
6156         * c.opt (Waddress): New.
6157         * common.opt (Walways-true): Delete.
6158         (Wstring-literal-comparison): Delete.
6159         * doc/invoke.texi (Warning Options): Delete -Walways-true and
6160         -Wstring-literal-comparison. Add -Waddress.
6161         (Waddress): New.
6162         (Walways-true): Delete.
6163         (Wstring-literal-comparison): Delete.
6164         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
6165         consistently instead of -Walways-true in example.
6166         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
6167         * c-typeck.c (parser_build_binary_op): Replace
6168         -Wstring-literal-comparison and -Walways-true with -Waddress.
6169         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
6170         with -Waddress.
6171
6172 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6173
6174         * tree-cfg.c (dump_function_to_file): Be prepared for functions
6175         without DECL_STRUCT_FUNCTION initialized.
6176
6177 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6178
6179         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
6180         due to calls to functions taking pointers as parameters.
6181
6182 2007-02-19  Richard Henderson  <rth@redhat.com>
6183
6184         PR debug/29558
6185         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
6186         in memory.
6187
6188 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6189
6190         * config/s390/s390.c (s390_call_saved_register_used,
6191         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
6192         accessed to the new scheme.
6193
6194 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
6195
6196         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
6197         (cris_print_index, cris_print_operand, cris_print_operand_address)
6198         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
6199         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
6200         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
6201         GET_CODE () == xxx.
6202         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
6203         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
6204         GO_IF_LEGITIMATE_ADDRESS): Ditto.
6205         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
6206         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
6207         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
6208         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
6209         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
6210         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
6211         (uminsi3, call, call_value): Ditto.
6212         (define_split: indir_to_reg_split, unnamed): Ditto.
6213
6214 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
6215
6216         PR tree-optimization/30975
6217         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
6218         wrong assert.
6219
6220 2007-02-18  Eric Christopher  <echristo@gmail.com>
6221
6222         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
6223         Remove use of arglist.
6224         (mips_expand_builtin): Remove use of arglist, pass in expr.
6225         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
6226         (mips_expand_builtin_movtf): Ditto.
6227         (mips_expand_builtin_compare): Ditto.
6228
6229 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6230
6231         * tree-sra.c (sra_build_assignment): Replace assertion
6232         checking with a comment explaining why it can't be done.
6233
6234 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6235
6236         PR middle-end/30833
6237         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
6238         during CALL_EXPR representation conversion.
6239         * tree-ssa-propagate.c (set_rhs): Likewise.
6240
6241 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6242
6243         * tree-sra.c (sra_build_assignment): Disable assertion checking
6244         for now.
6245
6246 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6247
6248         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
6249         instead of calling build2 with a GIMPLE_MODIFY_STMT.
6250         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
6251         Likewise.
6252         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
6253         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
6254         gimplify_init_ctor_eval_range, gimple_push_cleanup,
6255         gimplify_omp_for, gimplify_omp_atomic_pipeline,
6256         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
6257         force_gimple_operand): Likewise.
6258         * ipa-cp.c (constant_val_insert): Likewise.
6259         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6260         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
6261         perfect_nestify): Likewise.
6262         * langhooks.c (lhd_omp_assignment): Likewise.
6263         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
6264         lower_copyprivate_clauses, lower_send_clauses,
6265         lower_send_shared_vars, expand_parallel_call,
6266         expand_omp_for_generic, expand_omp_for_static_nochunk,
6267         expand_omp_for_static_chunk, expand_omp_sections,
6268         lower_omp_single_copy, lower_omp_for_lastprivate,
6269         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
6270         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
6271         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
6272         Likewise.
6273
6274 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6275
6276         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
6277         config/sh/sh.md: Follow spelling conventions.
6278
6279         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
6280         config/frv/predicates.md: Follow spelling conventions.
6281
6282         * config/m68k/linux-unwind.h: Fix a comment typo.
6283         * target.h: Follow spelling conventions.
6284
6285 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6286
6287         PR rtl-optimization/28173
6288         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
6289         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
6290         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
6291         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
6292         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
6293
6294 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6295
6296         * builtins.c (fold_builtin_load_exponent): New.
6297         (fold_builtin_2): Use it.
6298
6299 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
6300
6301         PR rtl-optimization/30773
6302         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
6303         if we fail to attach a REG_EQUIV note.
6304
6305 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
6306             Roger Sayle  <roger@eyesopen.com>
6307
6308         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
6309
6310 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6311
6312         * calls.c (initialize_argument_information): Pass original EXP
6313         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
6314         code to split complex arguments here, as part of initializing the
6315         ARGS array.
6316         (expand_call): Remove code that builds a list of arguments and
6317         inserts implicit arguments into it.  Instead, just count how many
6318         implicit arguments there will be so we can determine the size of
6319         the ARGS array, and let initialize_argument_information do the work.
6320         (split_complex_values): Delete unused function.
6321
6322 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6323
6324         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
6325
6326 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6327
6328         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
6329         for arg pointer based indexed addressing.
6330
6331 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6332
6333         * config/ia64/ia64.h, config/ia64/ia64.md,
6334         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
6335         spelling conventions.
6336
6337 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6338
6339         * config/m68k/m68k.c (split_di): New.
6340         * config/m68k/m68k-protos.h: Declare split_di.
6341         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
6342           Improve predicate handling and split constant shifts.
6343
6344 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6345
6346         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
6347         parameter for register bitfield operations, general predicates
6348         cleanup
6349
6350 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6351
6352         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
6353         * config/m68k/linux-unwind.h: New file.
6354
6355 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6356
6357         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
6358         config/i386/athlon.md, config/ia64/ia64.md,
6359         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
6360         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
6361         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
6362         tree-ssa-loop-niter.c, tree-vect-analyze.c,
6363         tree-vect-transform.c: Fix comment typos.
6364
6365 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
6366
6367         * sched-deps.c (find_insn_list): Remove.
6368         * sched-int.h: Remove the prototype for find_insn_list.
6369
6370 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
6371
6372         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
6373         to linker.
6374         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
6375         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
6376         darwin_rs6000_override_options.
6377         (C_COMMON_OVERRIDE_OPTIONS): Expect
6378         darwin_macosx_version_min to be non-NULL always.
6379         (TARGET_C99_FUNCTIONS): Likewise.
6380         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
6381         (DARWIN_MINVERSION_SPEC): New.
6382         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
6383         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
6384         to cc1*.
6385         (DARWIN_MINVERSION_SPEC): New.
6386         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
6387         value.
6388         * config/darwin-c.c (darwin_cpp_builtins): Expect
6389         darwin_macosx_version_min to be non-NULL always.
6390
6391         * config/rs6000/rs6000.c: Clean up trailing whitespace.
6392
6393 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
6394
6395         * config/i386/i386.h (x86_use_xchgb): New.
6396         (TARGET_USE_XCHGB): New macro.
6397         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
6398         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
6399         Split after reload into bswaphi for shifts of 8.
6400         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
6401         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
6402         or when optimizing for size.
6403
6404 2007-02-16  Richard Guenther  <rguenther@suse.de>
6405             Christian Bruel  <christian.bruel@st.com>
6406
6407         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
6408         DECLs but prefer SSA_NAMEs over DECLs.
6409
6410 2007-02-16  Richard Guenther  <rguenther@suse.de>
6411
6412         * tree-flow-inline.h (single_imm_use_p): Remove.
6413         (zero_imm_uses_p): Likewise.
6414         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
6415         instead of single_imm_use_p.
6416         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
6417         zero_imm_uses_p.
6418
6419 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6420
6421         PR other/27843
6422         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
6423         nested double- and backquotes.
6424
6425 2007-02-15  Roger Sayle  <roger@eyesopen.com>
6426
6427         PR middle-end/30391
6428         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
6429         should be unreachable.
6430         (build2_stat): Allow construction of MODIFY_EXPR at any time.
6431         For the time being redirect GIMPLE_MODIFY_STMT to the new
6432         (renamed) build_gimple_modify_stmt_stat.
6433         (build2_gimple_stat): Rename to...
6434         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
6435         Always build a GIMPLE_MODIFY_STMT node.
6436         * tree.h (build2_gimple, build2_gimple_stat): Delete.
6437         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
6438         declarations.
6439
6440         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
6441         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
6442         * tree-complex.c (set_component_ssa_name, expand_complex_move,
6443         expand_complex_div_wide): Likewise.
6444         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
6445         * tree-ssa-loop-im.c (schedule_sm): Likewise.
6446         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
6447         * tree-ssa-loop-manip.c (create_iv): Likewise.
6448         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
6449         abs_replacement): Likewise.
6450         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
6451         realify_fake_stores): Likewise.
6452
6453         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
6454         node rather than a GIMPLE_MODIFY_STMT node.
6455         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
6456         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
6457         Likewise.
6458         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
6459         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
6460         GIMPLE_MODIFY_STMT.
6461
6462 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6463
6464         PR middle-end/30433
6465         * fold-const.c (fold_comparison): Add back the
6466         folding of constant complex comparisions.
6467
6468 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6469
6470         PR middle-end/30729
6471         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
6472         effects unknown to this function, return early.
6473
6474 2007-02-15  Ian Lance Taylor  <iant@google.com>
6475
6476         * lower-subreg.c (move_eh_region_note): New static function.
6477         (resolve_simple_move): Call it.
6478         (decompose_multiword_subregs): Track blocks for which we resolve a
6479         simple move which is also a control flow insn.  Pass them to
6480         find_many_sub_basic_blocks.
6481         (pass_lower_subreg): Add TODO_verify_flow.
6482         (pass_lower_subreg2): Likewise.
6483
6484 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6485             Brooks Moses  <brooks.moses@codesourcery.com>
6486             Lee Millward  <lee.millward@codesourcery.com>
6487
6488         * tree.h (enum tree_code_class): Add tcc_vl_exp.
6489         (VL_EXP_CLASS_P): New.
6490         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
6491         TREE_CODE_LENGTH.
6492         (TREE_OPERAND_CHECK_CODE): Likewise.
6493         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
6494         (TREE_RTL_OPERAND_CHECK): Likewise.
6495         (tree_operand_check_failed): Make second parameter the whole tree
6496         instead of its code.  Fixed callers.
6497         (VL_EXP_CHECK): New.
6498         (TREE_OPERAND_LENGTH): New.
6499         (VL_EXP_OPERAND_LENGTH): New.
6500         (CALL_EXPR_FN): New.
6501         (CALL_EXPR_STATIC_CHAIN): New.
6502         (CALL_EXPR_ARGS): New.
6503         (CALL_EXPR_ARG): New.
6504         (call_expr_nargs): New.
6505         (CALL_EXPR_ARGP): New.
6506         (build_nt_call_list): Declare.
6507         (build_vl_exp_stat): Declare.
6508         (build_vl_exp): New.
6509         (build_call_list): Declare.
6510         (build_call_nary): Declare.
6511         (build_call_valist): Declare.
6512         (build_call_array): Declare.
6513         (call_expr_arg): Declare.
6514         (call_expr_argp): Declare.
6515         (call_expr_arglist): Declare.
6516         (fold_build_call_list): Declare.
6517         (fold_build_call_list_initializer): Declare.
6518         (fold_call_expr): Declare to replace fold_builtin.
6519         (fold_builtin_fputs): Update to agree with modified definition.
6520         (fold_builtin_strcpy): Likewise.
6521         (fold_builtin_strncpy): Likewise.
6522         (fold_builtin_memory_chk): Likewise.
6523         (fold_builtin_stxcpy_chk): Likewise.
6524         (fold_builtin_strncpy_chk): Likewise.
6525         (fold_builtin_next_arg): Likewise.
6526         (fold_build_call_expr): Declare.
6527         (fold_builtin_call_list): Declare.
6528         (fold_builtin_call_valist): Declare.
6529         (build_call_expr): Declare.
6530         (validate_arglist): Update to agree with modified definition.
6531         (tree_operand_length): New.
6532         (call_expr_arg_iterator): New.
6533         (init_call_expr_arg_iterator): New.
6534         (next_call_expr_arg): New.
6535         (first_call_expr_arg): New.
6536         (more_call_expr_args_p): New.
6537         (FOR_EACH_CALL_EXPR_ARG): New.
6538
6539         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
6540         and tcc_gimple_stmt.
6541         (tree_code_size): Update documentation.  Use sizeof (tree) rather
6542         than sizeof (char *).
6543         (tree_size): Likewise.  Add case for tcc_vl_exp.
6544         (tree_node_structure): Add case for tcc_vl_exp.
6545         (contains_placeholder_p): Likewise.
6546         (substitute_in_expr): Likewise.
6547         (substitute_placeholder_in_expr): Likewise.
6548         (stabilize_reference_1): Likewise.
6549         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
6550         to diagnose breakage of this interface for constructing CALL_EXPRs.
6551         (build_nt): Add similar assertion here.
6552         (build_nt_call_list): New.
6553         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
6554         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
6555         TREE_CODE_LENGTH.
6556         (get_callee_fndecl): Use new CALL_EXPR accessors.
6557         (tree_operand_check_failed): Change parameters to pass entire node
6558         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
6559         (process_call_operands): New.
6560         (build_vl_exp_stat): New.
6561         (build_call_list): New.
6562         (build_call_nary): New.
6563         (build_call_valist): New.
6564         (build_call_array): New.
6565         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6566         (call_expr_arglist): New.
6567
6568         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
6569         tcc_vl_exp instead of a fixed-size tcc_expression.
6570
6571         * doc/c-tree.texi (CALL_EXPR): Document new representation and
6572         accessors for CALL_EXPRs.
6573         (AGGR_INIT_EXPR): Likewise.
6574
6575 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6576             Brooks Moses  <brooks.moses@codesourcery.com>
6577             Lee Millward  <lee.millward@codesourcery.com>
6578
6579         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
6580         (expand_builtin_nonlocal_goto): Change parameter to be entire
6581         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
6582         (expand_builtin_prefetch): Likewise.
6583         (expand_builtin_classify_type): Likewise.
6584         (mathfn_built_in): Return NULL_TREE instead of 0.
6585         (expand_errno_check): Use new CALL_EXPR accessors.
6586         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
6587         Return NULL_RTX instead of 0.
6588         (expand_builtin_mathfn_2): Likewise.
6589         (expand_builtin_mathfn_3): Likewise.
6590         (expand_builtin_interclass_mathfn): Likewise.
6591         (expand_builtin_sincos): Likewise.
6592         (expand_builtin_cexpi): Likewise.
6593         (expand_builtin_int_roundingfn): Likewise.
6594         (expand_builtin_int_roundingfn_2): Likewise.
6595         (expand_builtin_pow): Likewise.
6596         (expand_builtin_powi): Likewise.
6597         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
6598         of arglist, fixing callers appropriately.  Use new CALL_EXPR
6599         accessors and constructors.  Return NULL_RTX instead of 0.
6600         (expand_builtin_strstr): Likewise.
6601         (expand_builtin_strchr): Likewise.
6602         (expand_builtin_strrchr): Likewise.
6603         (expand_builtin_strpbrk): Likewise.
6604         (expand_builtin_memcpy): Likewise.
6605         (expand_builtin_mempcpy): Likewise.
6606         (expand_builtin_mempcpy_args): New.
6607         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
6608         (expand_builtin_memmove_args): New.
6609         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
6610         (expand_movstr): Likewise.
6611         (expand_builtin_strcpy): Likewise.
6612         (expand_builtin_strcpy_args): New.
6613         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
6614         (expand_builtin_strncpy): Likewise.
6615         (expand_builtin_memset): Likewise.
6616         (expand_builtin_memset_args): New.
6617         (expand_builtin_bzero): Similarly to expand_builtin_memset.
6618         (expand_builtin_memcmp): Likewise.
6619         (expand_builtin_strcmp): Likewise.
6620         (expand_builtin_strncmp): Likewise.
6621         (expand_builtin_strcat): Likewise.
6622         (expand_builtin_strncat): Likewise.
6623         (expand_builtin_strspn): Likewise.
6624         (expand_builtin_strcspn): Likewise.
6625         (expand_builtin_args_info): Likewise.
6626         (expand_builtin_va_start): Likewise.
6627         (gimplify_va_arg_expr): Likewise.
6628         (expand_builtin_va_end): Likewise.
6629         (expand_builtin_va_copy): Likewise.
6630         (expand_builtin_frame_address): Likewise.
6631         (expand_builtin_alloca): Likewise.
6632         (expand_builtin_bswap): Likewise.
6633         (expand_builtin_unop): Likewise.
6634         (expand_builtin_fputs): Likewise.
6635         (expand_builtin_expect): Likewise.
6636         (expand_builtin_fabs): Likewise.
6637         (expand_builtin_copysign): Likewise.
6638         (expand_builtin_printf): Likewise.
6639         (expand_builtin_fprintf): Likewise.
6640         (expand_builtin_sprintf): Likewise.
6641         (expand_builtin_init_trampoline): Likewise.
6642         (expand_builtin_signbit): Likewise.
6643         (expand_builtin_fork_or_exec): Likewise.
6644         (expand_builtin_sync_operation): Likewise.
6645         (expand_builtin_compare_and_swap): Likewise.
6646         (expand_builtin_lock_test_and_set): Likewise.
6647         (expand_builtin_lock_release): Likewise.
6648         (expand_builtin): Likewise.
6649         (builtin_mathfn_code): Likewise.
6650
6651         (fold_builtin_constant_p): Pass call arguments individually instead
6652         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6653         accessors and constructors.  Return NULL_TREE instead of 0.
6654         (fold_builtin_expect): Likewise.
6655         (fold_builtin_classify_type): Likewise.
6656         (fold_builtin_strlen): Likewise.
6657         (fold_builtin_nan): Likewise.
6658         (integer_valued_real_p): Likewise.
6659         (fold_trunc_transparent_mathfn): Likewise.
6660         (fold_fixed_mathfn): Likewise.
6661         (fold_builtin_cabs): Likewise.
6662         (fold_builtin_sqrt): Likewise.
6663         (fold_builtin_cbrt): Likewise.
6664         (fold_builtin_cos): Likewise.
6665         (fold_builtin_cosh): Likewise.
6666         (fold_builtin_tan): Likewise.
6667         (fold_builtin_sincos): Likewise.
6668         (fold_builtin_cexp): Likewise.
6669         (fold_builtin_trunc): Likewise.
6670         (fold_builtin_floor): Likewise.
6671         (fold_builtin_ceil): Likewise.
6672         (fold_builtin_round): Likewise.
6673         (fold_builtin_int_roundingfn): Likewise.
6674         (fold_builtin_bitop): Likewise.
6675         (fold_builtin_bswap): Likewise.
6676         (fold_builtin_logarithm): Likewise.
6677         (fold_builtin_hypot): Likewise.
6678         (fold_builtin_pow): Likewise.
6679         (fold_builtin_powi): Likewise.
6680         (fold_builtin_exponent): Likewise.
6681         (fold_builtin_memset): Likewise.
6682         (fold_builtin_bzero): Likewise.
6683         (fold_builtin_memory_op): Likewise.
6684         (fold_builtin_bcopy): Deleted; call site changed to invoke
6685         fold_builtin_memory_op directly.
6686         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
6687         (fold_builtin_strncpy): Likewise.
6688         (fold_builtin_memcmp): Likewise.
6689         (fold_builtin_strcmp): Likewise.
6690         (fold_builtin_strncmp): Likewise.
6691         (fold_builtin_signbit): Likewise.
6692         (fold_builtin_copysign): Likewise.
6693         (fold_builtin_isascii): Likewise.
6694         (fold_builtin_toascii): Likewise.
6695         (fold_builtin_isdigit): Likewise.
6696         (fold_builtin_fabs): Likewise.
6697         (fold_builtin_abs): Likewise.
6698         (fold_builtin_fmin_fmax): Likewise.
6699         (fold_builtin_carg): Likewise.
6700         (fold_builtin_classify): Likewise.
6701         (fold_builtin_unordered_cmp): Likewise.
6702
6703         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
6704         New functions split out from fold_builtin_1.
6705         (fold_builtin_n): New.
6706         (fold_builtin_varargs): New.
6707         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
6708         instead.
6709         (fold_call_expr): New.
6710         (build_function_call_expr): Rewrite to use new helper function.
6711         (fold_builtin_call_list): New.
6712         (build_call_expr): New.
6713         (fold_builtin_call_valist): New.
6714         (rewrite_call_expr): New.
6715         (validate_arg): New.
6716         (validate_arglist): Change parameter to be entire CALL_EXPR instead
6717         of an arglist.  Change return type to bool.  Use new CALL_EXPR
6718         accessors.
6719
6720         (fold_builtin_strstr):  Pass call arguments individually instead
6721         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6722         accessors and constructors.  Return NULL_TREE instead of 0.
6723         (fold_builtin_strchr): Likewise.
6724         (fold_builtin_strrchr): Likewise.
6725         (fold_builtin_strpbrk): Likewise.
6726         (fold_builtin_strcat): Likewise.
6727         (fold_builtin_strncat): Likewise.
6728         (fold_builtin_strspn): Likewise.
6729         (fold_builtin_strcspn): Likewise.
6730         (fold_builtin_fputs): Likewise.
6731         (fold_builtin_next_arg): Likewise.
6732         (fold_builtin_sprintf): Likewise.
6733
6734         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
6735         NULL_RTX instead of 0.
6736         (expand_builtin_memory_chk): Likewise.
6737         (maybe_emit_chk_warning): Likewise.
6738         (maybe_emit_sprintf_chk_warning): Likewise.
6739
6740         (fold_builtin_object_size): Pass call arguments individually instead
6741         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6742         accessors and constructors.  Return NULL_TREE instead of 0.
6743         (fold_builtin_memory_chk): Likewise.
6744         (fold_builtin_stxcpy_chk): Likewise.
6745         (fold_builtin_strncpy_chk): Likewise.
6746         (fold_builtin_strcat_chk): Likewise.
6747         (fold_builtin_strcat_chk): Likewise.
6748         (fold_builtin_strncat_chk): Likewise.
6749         (fold_builtin_sprintf_chk): Likewise.
6750         (fold_builtin_snprintf_chk): Likewise.
6751         (fold_builtin_printf): Likewise.
6752         (fold_builtin_vprintf): Likewise.
6753
6754         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
6755         constructors.
6756         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
6757         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6758         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
6759         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
6760         (fold_unary): Likewise.
6761         (fold_binary): Likewise.
6762         (fold_ternary): Remove CALL_EXPR case, since they are no longer
6763         ternary expressions.
6764         (fold): Add logic for tcc_vl_exp.
6765         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
6766         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6767         (fold_build3_stat): Add assertion to flag broken interface for
6768         constructing CALL_EXPRs.
6769         (fold_build_call_list): New.
6770         (fold_build_call_list_initializer): New.
6771         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
6772         constructors.
6773         (fold_strip_sign_ops): Likewise.
6774
6775 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6776             Brooks Moses  <brooks.moses@codesourcery.com>
6777             Lee Millward  <lee.millward@codesourcery.com>
6778
6779         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
6780         accessors and dump arguments explicitly.
6781
6782         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
6783         TREE_CODE_LENGTH.
6784         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
6785         explicitly.
6786         (print_call_name): Use new CALL_EXPR accessors.
6787
6788         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
6789         CALL_EXPR arguments explicitly instead of as a list.  Use
6790         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6791
6792         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
6793         (vrp_visit_stmt): Likewise.
6794
6795         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
6796         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
6797         TREE_CODE_LENGTH.
6798         (force_move_till_expr): Likewise.
6799
6800         * targhooks.c (default_external_stack_protect_fail): Use
6801         build_call_expr instead of build_function_call_expr.
6802         (default_hidden_stack_protect_fail): Likewise.
6803
6804         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
6805         build the call.
6806
6807         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
6808         and walk arguments explicitly.
6809
6810         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
6811         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6812         (expand_simple_operations): Likewise.
6813         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
6814
6815         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
6816         of TREE_CODE_LENGTH.
6817         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
6818
6819         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
6820         instead of TREE_CODE_LENGTH.
6821
6822         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
6823         (tree_ic_transform): Likewise.
6824         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
6825         parameter instead of arglist.  Fix callers.
6826         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
6827         (tree_stringops_transform): Likewise.
6828         (tree_indirect_call_to_profile): Likewise.
6829         (tree_stringops_values_to_profile): Likewise.
6830
6831         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
6832         (eliminate_tail_call): Likewise.
6833
6834         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
6835
6836         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
6837         Use TREE_OPERAND_LENGTH and generalize to handle any number of
6838         operands.
6839         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
6840
6841         * omp-low.c (build_omp_barrier): Use build_call_expr.
6842         (lower_rec_input_clauses): Likewise.
6843         (lower_reduction_clauses): Likewise.
6844         (expand_parallel_call): Likewise.
6845         (maybe_catch_exception): Likewise.
6846         (expand_omp_for_generic): Likewise.
6847         (expand_omp_for_static_nochunk): Likewise.
6848         (expand_omp_sections): Likewise.
6849         (lower_omp_single_simple): Likewise.
6850         (lower_omp_single_copy): Likewise.
6851         (lower_omp_master): Likewise.
6852         (lower_omp_ordered): Likewise.
6853         (lower_omp_critical): Likewise.
6854
6855         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
6856         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
6857
6858         * tree-gimple.c (is_gimple_call_addr): Fix doc.
6859         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
6860         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
6861
6862         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
6863         and generalize to handle any number of operands.
6864         (chrec_contains_undetermined): Likewise.
6865         (tree_contains_chrecs): Likewise.
6866         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
6867
6868         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
6869
6870         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
6871         fold_call_expr instead of fold_builtin.
6872         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
6873         match declarations there.
6874         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
6875         updates.
6876
6877         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
6878         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6879
6880         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
6881         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
6882
6883         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
6884         accessors.
6885
6886         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
6887         (execute_cse_sincos): Use new CALL_EXPR accessors.
6888
6889         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
6890
6891         * gimple-low.c (lower_function_body): Use build_call_expr.
6892         (lower_builtin_setjmp): Likewise.
6893
6894         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
6895         (set_storage_via_libcall): Likewise.
6896         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
6897         instead of TREE_CODE_LENGTH.
6898         (expand_expr_real_1): Use new CALL_EXPR accessors.
6899
6900         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
6901         generalize to handle any number of operands.
6902         (TB_parent_eq): Likewise.
6903
6904         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
6905         (strip_builtin_expect): Likewise.
6906
6907         * function.c (gimplify_parameters): Use build_call_expr.
6908
6909         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
6910         instead of TREE_CODE_LENGTH.
6911
6912         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
6913         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
6914
6915         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
6916         iterators.
6917
6918         * gimplify.c (build_stack_save_restore): Use build_call_expr.
6919         (gimplify_decl_expr): Likewise.
6920         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
6921         Use new CALL_EXPR iterators.
6922         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
6923         (gimplify_modify_expr_to_memset): Likewise.
6924         (gimplify_variable_sized_compare): Likewise.
6925         (gimplify_omp_atomic_fetch_op): Likewise.
6926         (gimplify_omp_atomic_pipeline): Likewise.
6927         (gimplify_omp_atomic_mutex): Likewise.
6928         (gimplify_function_tree): Likewise.
6929
6930         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
6931         (call_expr_flags): Likewise.
6932         (expand_call): Likewise.
6933
6934         * except.c (expand_builtin_eh_return_data_regno): Pass entire
6935         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
6936         accessors.
6937
6938         * coverage.c (create_coverage): Use build_call_expr.
6939
6940         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
6941         (temp_call_expr_obstack): New.
6942         (pool_copy_list): Delete.
6943         (temp_copy_call_expr): New.
6944         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
6945         CALL_EXPR accessors.  Get rid of special goo for copying argument
6946         lists and use temp_copy_call_expr instead.
6947         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
6948         CALL_EXPR accessors.
6949         (create_expression_by_pieces): Likewise.  Use build_call_array
6950         to construct the result instead of fold_build3.
6951         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
6952         dealing with argument lists.
6953         (init_pre): Remove references to expression_node_pool and
6954         list_node_pool.  Init temp_call_expr_obstack instead.
6955         (fini_pre): Remove references to expression_node_pool and
6956         list_node_pool.
6957
6958         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
6959         and walk arguments explicitly instead of as a list.
6960
6961         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
6962         (mx_register_decls): Likewise.
6963         (mudflap_register_call): Likewise.
6964         (mudflap_finish_file): Likewise.
6965
6966         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
6967         (ipa_callsite_compute_param): Likewise.
6968
6969         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
6970         accessors and constructor.
6971
6972         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
6973         accessors and constructor.
6974         (convert_tramp_reference): Likewise.
6975         (convert_call_expr): Likewise.
6976         (finalize_nesting_tree_1): Likewise.
6977
6978         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
6979         accessors.
6980
6981         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
6982
6983         * tree-inline.c (initialize_inlined_parameters): Pass entire
6984         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
6985         accessors.
6986         (estimate_num_insns_1): Use new CALL_EXPR accessors.
6987         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
6988
6989         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
6990         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6991         (vectorizable_reduction): Likewise.
6992         (vectorizable_call): Use new CALL_EXPR iterators.
6993         (vectorizable_conversion): Use build_call_expr.
6994         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
6995         (vect_gen_widened_results_half): Use build_call_expr.
6996         (vect_setup_realignment): Likewise.
6997         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
6998
6999         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
7000         (pass_through_call): Likewise.
7001         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
7002         fold_builtin.
7003
7004         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
7005         (tree_gen_pow2_profiler): Likewise.
7006         (tree_gen_one_value_profiler): Likewise.
7007         (tree_gen_ic_func_profiler): Likewise.
7008         (tree_gen_average_profiler): Likewise.
7009         (tree_gen_ior_profiler): Likewise.
7010
7011         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
7012         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
7013         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7014
7015         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
7016         of TREE_CODE_LENGTH.
7017
7018         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
7019         of TREE_CODE_LENGTH.
7020
7021         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
7022         constructor.
7023         (convert_to_integer): Likewise.
7024
7025         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
7026         accessors.
7027
7028 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7029             Brooks Moses  <brooks.moses@codesourcery.com>
7030             Lee Millward  <lee.millward@codesourcery.com>
7031
7032         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
7033         accessors.
7034         * config/frv/frv.c (frv_expand_builtin): Likewise.
7035         * config/s390/s390.c (s390_expand_builtin): Likewise.
7036
7037         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
7038         (sparc_expand_builtin): Use new CALL_EXPR accessors.
7039
7040         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
7041         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
7042         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
7043         (ix86_expand_store_builtin): Likewise.
7044         (ix86_expand_unop_builtin): Likewise.
7045         (ix86_expand_unop1_builtin): Likewise.
7046         (ix86_expand_sse_compare): Likewise.
7047         (ix86_expand_sse_comi): Likewise.
7048         (ix86_expand_vec_init_builtin): Likewise.
7049         (ix86_expand_vec_ext_builtin): Likewise.
7050         (ix86_expand_vec_set_builtin): Likewise.
7051         (ix86_expand_builtin): Use new CALL_EXPR accessors.
7052
7053         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
7054         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
7055
7056         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
7057         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7058         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
7059
7060         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
7061         build_call_expr.
7062         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
7063         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
7064         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7065         (altivec_expand_abs_builtin): Likewise.
7066         (rs6000_expand_binop_builtin): Likewise.
7067         (altivec_expand_predicate_builtin): Likewise.
7068         (altivec_expand_lv_builtin): Likewise.
7069         (spe_expand_stv_builtin): Likewise.
7070         (altivec_expand_stv_builtin): Likewise.
7071         (rs6000_expand_ternop_builtin): Likewise.
7072         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
7073         (altivec_expand_st_builtin): Likewise.
7074         (altivec_expand_dst_builtin): Likewise.
7075         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
7076         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7077         (altivec_expand_vec_set_builtin): Likewise.
7078         (altivec_expand_vec_ext_builtin): Likewise.
7079         (altivec_expand_builtin): Use new CALL_EXPR accessors.
7080         (spe_expand_builtin): Likewise.
7081         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
7082         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7083         (spe_expand_evsel_builtin): Likewise.
7084         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
7085         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
7086
7087         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
7088         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7089         (arm_expand_unop_builtin): Likewise.
7090         (arm_expand_builtin): Use new CALL_EXPR accessors.
7091
7092         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
7093         accessors.
7094
7095         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
7096         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7097         (bfin_expand_unop_builtin): Likewise.
7098         (bfin_expand_builtin): Use new CALL_EXPR accessors.
7099
7100 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7101             Brooks Moses  <brooks.moses@codesourcery.com>
7102             Lee Millward  <lee.millward@codesourcery.com>
7103
7104         * c-semantics.c (build_stmt): Add internal diagnostic check.
7105
7106         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
7107         accessors.  Print arguments explicitly instead of as a list.
7108
7109         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
7110
7111         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
7112         (c_finish_omp_flish): Likewise.
7113
7114         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
7115         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
7116         instead of TREE_CODE_LENGTH.
7117         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
7118         (c_warn_unused_result): Likewise.
7119
7120 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7121
7122         PR c/26494
7123         * doc/invoke.texi (Warning Options): Remove
7124         -Werror-implicit-function-declaration.
7125         (Wimplicit-function-declaration): Update description.
7126         * opts.c (common_handle_option): Move handling of -Werror=* to...
7127         (enable_warning_as_error): ...here.
7128         * opts.h (enable_warning_as_error): Declare.
7129         * c-decl.c (implicit_decl_warning): Unless
7130         -Wno-implicit-function-declaration is given, emit a pedwarn if
7131         -std=c99 or emit a warning if -Wimplicit-function-declaration.
7132         * c.opt (Wimplicit-function-declaration): Replace
7133         mesg_implicit_function_declaration with
7134         warn_implicit_function_declaration.
7135         * c-opts.c (c_common_handle_option):
7136         -Werror-implicit-function-declaration is exactly equal as
7137         -Werror=implicit-function-declaration.
7138         (set_Wimplicit): Replace mesg_implicit_function_declaration with
7139         warn_implicit_function_declaration.
7140         (c_common_post_options): -Wimplict-function-declaration is enabled
7141         by default by -std=c99, otherwise is disabled by default.
7142         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
7143
7144 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7145
7146         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
7147         DECL on the rhs to a DECL on the lhs for debug info purposes if the
7148         former is ignored but not the latter.
7149
7150 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7151
7152         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
7153         is made and the reference doesn't use the alias set of its type,
7154         do not create the temporary using that type.
7155
7156 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
7157
7158         * jump.c: Remove prototypes for delete_computation and
7159         delete_prior_computation.
7160
7161 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7162
7163         * jump.c (get_label_after): Delete.
7164         (get_label_before, delete_computation, delete_jump,
7165         delete_prior_computation, follow_jumps): Move...
7166         * reorg.c (delete_computation, delete_prior_computation): ... here...
7167         (get_label_before, delete_jump): ... making these static ...
7168         (follow_jumps): ... and simplifying this since it only runs after
7169         reload.
7170         * rtl.h (get_label_after, get_label_before, delete_jump,
7171         follow_jumps): Delete prototypes.
7172
7173 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7174
7175         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
7176
7177 2007-02-15  Nick Clifton  <nickc@redhat.com>
7178
7179         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
7180         order to prevent it from being munged by the target.
7181
7182 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
7183
7184         * config/i386/i386.md: Remove misleading comment.
7185
7186 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7187
7188         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
7189         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
7190         invalid patterns.
7191
7192 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7193
7194         * tree-sra.c (instantiate_missing_elements): Canonicalize
7195         bit-field types.
7196         (sra_build_assignment): New.
7197         (generate_copy_inout, generate_element_copy,
7198         generate_element_zero, generate_one_element_init): Use it.
7199
7200 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7201
7202         * tree-sra.c (instantiate_missing_elements): Canonicalize
7203         bit-field types.
7204         (sra_build_assignment): New.
7205         (generate_copy_inout, generate_element_copy,
7206         generate_element_zero, generate_one_element_init): Use it.
7207
7208 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7209
7210         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
7211         limbo die nodes.
7212
7213 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
7214
7215         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
7216         types as aggregates not scalars.
7217         * function.c (assign_stack_temp_for_type): Likewise.
7218
7219 2007-02-14  Roger Sayle  <roger@eyesopen.com>
7220             Zdenek Dvorak  <dvorakz@suse.cz>
7221
7222         * tree-dump.c (dump_switch_p_1): Require exact match of the option
7223         name.
7224
7225 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
7226
7227         * passes.c (next_pass_1): Clear the next field of the copied
7228         pass structure.
7229
7230 2007-02-14  Richard Henderson  <rth@redhat.com>
7231
7232         * tree-sra.c (early_sra): New.
7233         (decl_can_be_decomposed_p): Deny va_list if early_sra.
7234         (tree_sra_early, pass_sra_early): New.
7235         * tree-pass.h (pass_sra_early): Declare.
7236         * passes.c (init_optimization_passes): Use it.
7237
7238 2007-02-14  Richard Guenther  <rguenther@suse.de>
7239
7240         * flags.h (issue_strict_overflow_warning): Convert to a macro.
7241
7242 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
7243
7244          PR tree-optimization/30771
7245         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
7246         also phi nodes.
7247         (vect_analyze_operations): Induction phis can now be marked as
7248         used_in_loop.
7249         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
7250         Update documentation accordingly.
7251
7252 2007-02-14  Nick Clifton  <nickc@redhat.com>
7253
7254         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
7255         most 3 arguments are supported.
7256         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
7257
7258 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
7259
7260         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
7261         Ensure dst->current is valid.
7262
7263 2007-02-13  Paul Brook  <paul@codesourcery.com>
7264
7265         * config.gcc: Add arm*-*-uclinux-*eabi.
7266         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
7267         (SUBTARGET_EXTRA_LINK_SPEC): Define.
7268         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
7269         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
7270         (LINK_SPEC): Define.
7271         (LIB_SPEC): Define.
7272         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
7273         register.
7274         * config/arm/uclinux-eabi.h: New file.
7275         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
7276         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
7277         based targets.
7278
7279 2007-02-13  Ian Lance Taylor  <iant@google.com>
7280
7281         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
7282         * flags.h (warn_strict_overflow): Declare.
7283         (enum warn_strict_overflow_code): Define.
7284         (issue_strict_overflow_warning): New static inline function.
7285         * opts.c (warn_strict_overflow): New variable.
7286         (common_handle_option): Handle OPT_Wstrict_overflow and
7287         OPT_Wstrict_overflow_.
7288         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
7289         OPT_Wall.
7290         * fold-const.c: Include intl.h.
7291         (fold_deferring_overflow_warnings): New static variable.
7292         (fold_deferred_overflow_warning): New static variable.
7293         (fold_deferred_overflow_code): New static variable.
7294         (fold_defer_overflow_warnings): New function.
7295         (fold_undefer_overflow_warnings): New function.
7296         (fold_undefer_and_ignore_overflow_warnings): New function.
7297         (fold_deferring_overflow_warnings_p): New function.
7298         (fold_overflow_warning): New static function.
7299         (make_range): Add strict_overflow_p parameter.  Change all
7300         callers.
7301         (extract_muldiv, extract_muldiv_1): Likewise.
7302         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
7303         tree_expr_nonnegative_p.
7304         (fold_negate_expr): Call fold_overflow_warning.
7305         (fold_range_test): Likewise.
7306         (fold_comparison): Likewise.
7307         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
7308         instead of tree_expr_nonnegative_p.
7309         (tree_expr_nonnegative_warnv_p): Rename from
7310         tree_expr_nonnegative_p, add strict_overflow_p parameter.
7311         (tree_expr_nonnegative_p): New function.
7312         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
7313         strict_overflow_p parameter.
7314         (tree_expr_nonzero_p): New function.
7315         * passes.c (verify_interpass_invariants): New static function.
7316         (execute_one_pass): Call it.
7317         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
7318         warnings.
7319         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
7320         (estimate_numbers_of_iterations): Likewise.
7321         (scev_probably_wraps_p): Likewise.
7322         * tree-ssa-ccp.c: Include "toplev.h".
7323         (evaluate_stmt): Defer fold overflow warnings until we know we are
7324         going to optimize.
7325         (struct fold_stmt_r_data): Add stmt field.
7326         (fold_stmt_r): Defer fold overflow warnings until we know we
7327         optimized.
7328         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
7329         (fold_stmt_inplace): Likewise.
7330         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
7331         (cleanup_control_expr_graph): Defer fold overflow warnings until
7332         we know we are going to optimize.
7333         * tree-cfg.c (fold_cond_expr_cond): Likewise.
7334         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
7335         Likewise.
7336         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
7337         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
7338         * tree-ssa-loop-manip.c (create_iv): Likewise.
7339         * c-typeck.c (build_conditional_expr): Likewise.
7340         (build_binary_op): Likewise.
7341         * tree-vrp.c (vrp_expr_computes_nonzero): Call
7342         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
7343         (extract_range_from_unary_expr): Likewise.
7344         * simplify-rtx.c (simplify_const_relational_operation): Warn when
7345         assuming that signed overflow does not occur.
7346         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
7347         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
7348         (fold_defer_overflow_warnings): Declare.
7349         (fold_undefer_overflow_warnings): Declare.
7350         (fold_undefer_and_ignore_overflow_warnings): Declare.
7351         (fold_deferring_overflow_warnings_p): Declare.
7352         (tree_expr_nonzero_warnv_p): Declare.
7353         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
7354         of warning options.
7355         (Warning Options): Document -Wstrict-overflow.
7356         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
7357         (tree-ssa-ccp.o): Likewise.
7358         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
7359         (fold-const.o): Depend on intl.h.
7360
7361 2007-02-13  Ian Lance Taylor  <iant@google.com>
7362
7363         PR middle-end/30751
7364         * lower-subreg.c (resolve_simple_move): Decompose subregs in
7365         addresses.
7366
7367 2007-02-13  Stuart Hastings  <stuart@apple.com>
7368
7369         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
7370
7371 2007-02-13  Richard Henderson  <rth@redhat.com>
7372
7373         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
7374         handled_component_p before looking for the indirect_ref.
7375
7376 2007-02-13  Richard Henderson  <rth@redhat.com>
7377
7378         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
7379         remove flags clobber.
7380         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
7381         (bswaphi_lowpart): New.
7382         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
7383         remove TARGET_BSWAP test.  Delete expander of the same name.
7384
7385         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
7386         (expand_unop): Use them.
7387
7388 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
7389
7390         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
7391         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
7392         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
7393         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
7394         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
7395         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
7396         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
7397         assembler dialect choice from asm templates.
7398
7399 2007-02-12  Richard Henderson  <rth@redhat.com>
7400
7401         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
7402         (fixuns_trunc<SSEMODEF>si2): Use it.
7403         * config/i386/sse.md (vec_setv4sf_0): Export.
7404         * config/i386/i386.c (ix86_build_const_vector): Export.
7405         (ix86_split_convert_uns_si_sse): Rename from
7406         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
7407         * config/i386/i386-protos.h: Update.
7408
7409 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7410
7411         PR c/29521
7412         * c-typeck.c (c_finish_return): Improve warning message.
7413
7414 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7415
7416         * alias.c (find_symbolic_term): Delete unused function.
7417
7418 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
7419
7420         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
7421         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
7422         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
7423
7424 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7425
7426         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
7427         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
7428         the function, temporarily point the debug interface to the null one.
7429
7430 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7431
7432         * dwarf2out.c (round_up_to_align): New static function.
7433         (field_byte_offset): Use it to round the offset.
7434
7435 2007-02-12  Richard Henderson  <rth@redhat.com>
7436
7437         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
7438         (inswl_const): Export.
7439
7440 2007-02-12  Richard Henderson  <rth@redhat.com>
7441
7442         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
7443         result mode of the libcall, convert back to outmode.
7444
7445 2007-02-12  Roger Sayle  <roger@eyesopen.com>
7446
7447         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
7448         (bswapdi2): New define_expand to implement 32-bit implementation.
7449
7450 2007-02-12  Nick Clifton  <nickc@redhat.com>
7451
7452         * doc/invoke.texi (Overall Options): Document --help=.
7453         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
7454         (cc1_options): Pass --help= on to cc1.
7455         (display_help): Add description of --help=.
7456         (process_command): Add code to handle --help=.  Allow translated
7457         --help and --target-help switches to be passed on to compiler
7458         sub-process.
7459         (main): Remove unused if statement.
7460         * opts.c (columns): Remove.
7461         (LEFT_COLUMN): Define.
7462         (wrap_help): Add columns argument.
7463         (print_filtered_help): Change parameters to be an include bitmask,
7464         an exclude bitmask, an any bitmask and the column width.  Move the
7465         code to display the params list here.  Add code to display the
7466         status of options rather than their descriptions if the quiet flag
7467         is not active.
7468         (print_specific_help): Change parameters to be an include bitmask,
7469         an exclude bitmask and an any bitmask.  Move code to look up the
7470         column width here.  Decide upon the title for an options listing.
7471         (common_handle_options): Add code to handle --help=.  Adapt code
7472         for --help and --target-help to use the revised form of the
7473         print_specific_help function.
7474         (print_help): Delete.
7475         (print_param_help): Delete.
7476         (print_switch): Delete.
7477         * opts.h (cl_lang_count): Add prototype.
7478         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
7479         CL_MAX_OPTION_CLASS): New defines.
7480         * optc-gen.awk: Add construction of cl_lang_count.
7481         * c.opt: Add Warning attribute to warning options and Optimization
7482         attribute to optimization options.
7483         * common.opt: Likewise.
7484         Add --help=.
7485         Add -fhelp and -ftarget-help as aliases for the transformed --help
7486         and --target-help options.
7487         * opt-functions.awk: Add code to handle Warning and Optimization
7488         attributes.
7489
7490 2007-02-12  Richard Henderson  <rth@redhat.com>
7491
7492         * config/alpha/constraints.md: New file.
7493         * config/alpha/alpha.c: Include tm-constrs.h.
7494         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
7495         alpha_extra_constraint): Remove.
7496         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
7497         * config/alpha/alpha-protos.h: Update.
7498         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
7499         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
7500         (EXTRA_CONSTRAINT): Remove.
7501         * config/alpha/alpha.md: Include constraints.md.
7502         (adddi splitter): Use satisfies_constraint_*.
7503         * config/alpha/predicates.md (add_operand): Likewise.
7504         (sext_add_operand, addition_operation): Likewise.
7505
7506 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
7507
7508         PR tree-optimization/29145
7509         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
7510         in our handling of restrict qualified pointers.
7511
7512 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7513
7514         PR middle-end/7651
7515         * doc/invoke.texi (Wunused-value): Update description.
7516         (Wextra): Delete item.
7517         * opts.c (set_Wextra): Don't use the value of Wextra to set the
7518         value of Wunused-value.
7519         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
7520         (c_finish_stmt_expr): Don't check extra_warnings.
7521         (emit_side_effect_warnings): The caller is responsible to check
7522         warn_unused_value.
7523
7524 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7525             Matt Thomas  <matt@3am-software.com>
7526
7527         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
7528
7529 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7530
7531         * simplify-rtx.c (simplify_relational_operation_1): Optimize
7532         comparisons of POPCOUNT against zero.
7533         (simplify_const_relational_operation): Likewise.
7534
7535 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7536
7537         * doc/invoke.texi (Wextra): Delete outdated paragraph.
7538
7539 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7540
7541         * dwarf2out.c (root_type): Delete unused function.
7542
7543 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7544
7545         * genattrtab.c (contained_in_p): Delete unused function.
7546         (write_expr_attr_cache): Likewise.
7547
7548 2007-02-11  Jan Hubicka  <jh@suse.cz>
7549
7550         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
7551         previous patch.
7552
7553 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
7554
7555         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
7556         to add the REG_EQ* note.
7557         * see.c (see_merge_one_use_extension): Likewise.
7558         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
7559         turn REG_EQUAL notes into REG_EQUIV notes if the target
7560         register may have more than one set.
7561         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
7562         * gcse.c (try_replace_reg): Likewise.
7563         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
7564         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
7565         more than one REG_EQUIV note.
7566         * reload1.c (gen_reload): Use set_unique_reg_note.
7567
7568 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
7569
7570         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
7571         (ix86_builtin_conversion): New function.
7572
7573 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
7574
7575         PR target/29487
7576         * tree.h (DECL_REPLACEABLE_P): New macro.
7577         * except.c (set_nothrow_function_flags): Likewise.
7578
7579 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
7580             Ira Rosen  <irar@il.ibm.com>
7581             Dorit Nuzman  <dorit@il.ibm.com>
7582
7583         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
7584         * targhooks.c (default_builtin_vectorized_conversion): New.
7585         * targhooks.h (default_builtin_vectorized_function): New declaration.
7586         * target.h (struct vectorize): Add builtin_conversion field.
7587         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
7588         stmt_vec_info_type value.
7589         (vectorizable_conversion): New declaration.
7590         * tree-vect-analyze.c (vect_analyze_operations): Add
7591         vectorizable_conversion call.
7592         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
7593         * tree-vect-transform.c (vectorizable_conversion): New function.
7594         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
7595         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
7596         mode.
7597         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
7598         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
7599         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
7600         or ALTIVEC_BUILTIN_VCFSX.
7601
7602 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7603
7604         PR target/30634
7605         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
7606         CONST_DOUBLE and operand 0 is a hard register.
7607         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
7608         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
7609         is a hard floating-point register.
7610
7611 2007-02-10  Richard Henderson  <rth@redhat.com>
7612             Jakub Jelinek  <jakub@redhat.com>
7613             Alexandre Oliva  <aoliva@redhat.com>
7614
7615         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
7616         * builtin-types.def (BT_WORD): Make unsigned.
7617         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7618         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7619         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7620         * c-decl.c (grokdeclarator): Don't error if !have_tls.
7621         * c-parser.c (c_parser_omp_threadprivate): Likewise.
7622         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7623         emulated tls.
7624         * expr.c (emutls_var_address): New.
7625         (expand_expr_real_1): Expand emulated tls.
7626         (expand_expr_addr_expr_1): Likewise.
7627         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7628         * output.h (emutls_finish): Declare.
7629         * toplev.c (compile_file): Call it.
7630         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7631         address before wrapping in CONST.
7632         * varasm.c (emutls_htab, emutls_object_type): New.
7633         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7634         (get_emutls_object_name, get_emutls_object_type): New.
7635         (get_emutls_init_templ_addr, emutls_decl): New.
7636         (emutls_common_1, emutls_finish): New.
7637         (assemble_variable): When emulating tls, swap decls; generate
7638         constructor for the emutls objects.
7639         (do_assemble_alias): When emulating tls, swap decl and target name.
7640         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7641         for emulated tls.
7642         * varpool.c (decide_is_variable_needed): Look at force_output.
7643         Recurse for emulated tls.
7644         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
7645         with decide_is_variable_needed.
7646         * emutls.c: New file.
7647         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7648         tls_object for real tls.
7649
7650 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
7651
7652         PR rtl-optimization/29599
7653         * reload1.c (eliminate_regs_in_insn): Take the destination
7654         mode into account when computing the offset.
7655
7656 2007-02-09  Stuart Hastings  <stuart@apple.com>
7657             Richard Henderson  <rth@redhat.com>
7658
7659         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
7660         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
7661         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
7662         fixuns_truncdfhi2): New.
7663         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
7664         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
7665         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
7666         (floatunssidf2): Allow nonimmediate source.
7667         * config/i386/sse.md (movdi_to_sse): New.
7668         (vec_concatv2di): Drop '*'.
7669         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
7670         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
7671         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
7672         New.
7673         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
7674         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
7675         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
7676         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
7677         (ix86_build_signbit_mask): Fix decl of v, refactor to call
7678         ix86_build_const_vector.
7679         (x86_emit_floatuns): Rewrite.
7680
7681 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7682
7683         * genautomata.c (longest_path_length): Delete unused function.
7684         (struct state): Delete unused longest_path_length.
7685         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
7686         (get_free_state): Delete unused.
7687
7688 2007-02-09  Jan Hubicka  <jh@suse.cz>
7689
7690         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
7691         * doc/invoke.texi (inline-unit-growth): Update default value.
7692
7693         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
7694         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
7695         (rebuild_cgraph_edges): Likewise.
7696         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
7697         (dump_cgraph_node): Dump frequencies.
7698         (cgraph_clone_edge): Add frequency scales.
7699         (cgraph_clone_node): Add freuqnecy.
7700         * cgraph.h (cgraph_edge): Add freuqnecy argument.
7701         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
7702         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
7703         * tree-pass.h (TODO_rebuild_frequencies): New constant.
7704         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
7705         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
7706         (save_inline_function_body): Likewise.
7707         * ipa-inline.c: inluce rtl.h
7708         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
7709         (cgraph_edge_badness): Use frequencies.
7710         (cgraph_decide_recursive_inlining): Update clonning.
7711         (cgraph_decide_inlining_of_small_function): Dump frequency.
7712         * predict.c (estimate_bb_frequencies): Export.
7713         * predict.h (estimate_bb_frequencies): Declare.
7714         * tree-inline.c (copy_bb): Watch overflows.
7715         (expand_call_inline): Update call of cgraph_create_edge.
7716         (optimize_inline_calls): Use TODO flags to update frequnecies.
7717         * passes.h: Include predict.h
7718         (init_optimization_passes): Move profile ahead.
7719         (execute_function_todo): Handle TODO_rebuild_frequencies.
7720
7721 2007-02-09  Roger Sayle  <roger@eyesopen.com>
7722
7723         * config/alpha/alpha.c (emit_insxl): Force the first operand of
7724         the insbl or inswl pattern into a register.
7725
7726 2007-02-09  Roger Sayle  <roger@eyesopen.com>
7727
7728         * config/ia64/ia64.md (bswapdi2): New define_insn.
7729
7730 2007-02-09  Richard Henderson  <rth@redhat.com>
7731
7732         * config/i386/constraints.md (Ym): New constraint.
7733         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
7734         (movdi_1_rex64): Split sse and xmm general register moves from
7735         memory move alternatives.  Use conditional register constraints.
7736         (movsf_1, movdf_integer): Likewise.
7737         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
7738         (movdf_integer_rex64): New.
7739         (pushsf_rex64): Fix output constraints.
7740         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
7741         (sse2_stored): Likewise.
7742         (sse2_storeq_rex64): New.
7743         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
7744         amd and not generic.
7745         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
7746         for optimize_size.  Remove SF/DFmode hack.
7747
7748 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7749
7750         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
7751         (bit_SSE4a): New.
7752
7753 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
7754             Richard Sandiford  <richard@codesourcery.com>
7755
7756         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
7757         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
7758         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
7759         m68k/t-mlib to tmake_file.
7760         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
7761         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
7762         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
7763         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
7764         variable is not empty, add t-$m68k_arch_family to tmake_file.
7765         Add t-mlibs to tmake_file.
7766         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
7767         * config/m68k/t-cf: New file.
7768         * config/m68k/t-m68k: Likewise.
7769         * config/m68k/t-mlibs: Likewise.
7770         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7771         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7772         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
7773         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7774         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
7775         Delete.
7776         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
7777         (INSTALL_LIBGCC): Delete.
7778         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
7779         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7780         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7781         (M68K_MLIB_CPU): Define.
7782         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7783         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7784         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
7785
7786 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
7787             Richard Guenther  <rguenther@suse.de>
7788
7789         PR middle-end/23361
7790         * fold-const.c (fold_comparison): Handle obfuscated comparisons
7791         against INT_MIN/INT_MAX.
7792         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
7793         file if a loop is removed.
7794
7795 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
7796
7797         * calls.c (store_one_arg): Pass correct alignment to
7798         emit_push_insn for non-BLKmode values.
7799         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
7800         unaligned stack slot via a suitably aligned slot.
7801
7802 2007-02-08  DJ Delorie  <dj@redhat.com>
7803
7804         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
7805         warnings.
7806         (legal_subregs): Use unsigned char, make const.
7807         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
7808
7809 2007-02-08  Paul Brook  <paul@codesourcery.com>
7810
7811         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
7812         special interworking needed.
7813
7814 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
7815
7816         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
7817         conditional to __SSE2__.
7818         (Entries below should have been added to first ChangeLog
7819         entry for amdfam10 dated 2007-02-05)
7820         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
7821         defined.
7822         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
7823         defined.
7824         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
7825         defined.
7826
7827 2007-02-08  DJ Delorie  <dj@redhat.com>
7828
7829         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
7830         * config/m32c/m32c.c (legal_subregs): New.
7831         (m32c_illegal_subreg_p): New.
7832         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
7833         unsupported subregs of hard regs.
7834
7835 2007-02-08  Jan Hubicka  <jh@suse.cz>
7836
7837         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
7838         the same one; always update histograms.
7839
7840 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
7841
7842         * passes.c (init_optimization_passes): Tidy comment.
7843
7844 2007-02-08  Roger Sayle  <roger@eyesopen.com>
7845
7846         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
7847         strip zero_extend, bswap and rotates from POCOUNT's argument.
7848         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
7849         zero_extend and rotates from PARITY's argument.
7850         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
7851         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
7852         of an integer constant at compile-time.
7853
7854 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
7855
7856         PR 30562
7857         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
7858         Update all users.
7859         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
7860         users.
7861         (init_alias_info):
7862         * tree-ssa-live.c (remove_unused_locals): Do not remove
7863         TREE_ADDRESSABLE variables.
7864         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
7865         * tree-ssa-operands.c (add_virtual_operand): Remove argument
7866         FOR_CLOBBER.  Update all users.
7867         If VAR has an associated alias set, add a virtual operand for
7868         it if no alias is found to conflict with the memory reference.
7869
7870 2007-02-07  Jan Hubicka  <jh@suse.cz>
7871             Robert Kidd <rkidd@crhc.uiuc.edu>
7872
7873         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
7874
7875 2007-02-07  Ian Lance Taylor  <iant@google.com>
7876
7877         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
7878
7879 2007-02-07  Roger Sayle  <roger@eyesopen.com>
7880
7881         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
7882         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
7883         tablejumpdi, movsi_to_cr_one): Remove constraints from
7884         define_expand's match_operands.
7885
7886 2007-02-07  Roger Sayle  <roger@eyesopen.com>
7887
7888         * global.c (compute_regsets): Move declatation of "i" inside of
7889         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
7890
7891 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
7892
7893         PR c++/30703
7894         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
7895         of INDIRECT_REF <RESULT_DECL>.
7896
7897         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
7898
7899 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
7900             Kaz Kojima  <kkojima@gcc.gnu.org>
7901
7902         PR target/29746
7903         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
7904         properly.
7905         (sh_initialize_trampoline): Add parentheses to avoid a warning.
7906
7907 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
7908
7909         * doc/loop.texi: Document possibility not to perform disambiguation
7910         of loops with multiple latches.
7911         * cfgloopmanip.c (alp_enum_p): Removed.
7912         (add_loop): Handle subloops.  Use get_loop_body_with_size.
7913         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
7914         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
7915         the new forwarder block.
7916         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
7917         Handle the case latch is NULL.
7918         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
7919         when marking loop exits.
7920         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
7921         be modified.
7922         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
7923         disambiguate_loops_with_multiple_latches.
7924         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
7925         before fix_loop_structure.
7926         * cfgloop.c: Include pointer-set.h and output.h.
7927         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
7928         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
7929         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
7930         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
7931         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
7932         disambiguate_multiple_latches, get_loop_body_with_size,
7933         disambiguate_loops_with_multiple_latches): New functions.
7934         (flow_loop_dump): Dump multiple latch edges.
7935         (flow_loop_nodes_find): Handle loops with multiple latches.
7936         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
7937         (glb_enum_p): Modified.
7938         (get_loop_body): Use get_loop_body_with_size.
7939         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
7940         (AVOID_CFG_MODIFICATIONS): New constant.
7941         (disambiguate_loops_with_multiple_latches, add_loop,
7942         get_loop_body_with_size): Declare.
7943         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
7944
7945 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
7946
7947         PR inline-asm/28686
7948         * global.c (compute_regsets): New function.
7949         (global_alloc): Refactored ELIMINABLE_REGSET
7950         and NO_GLOBAL_ALLOC_REGS computation out.
7951         (rest_of_handle_global_alloc): Call compute_regsets()
7952         for non-optimizing case.
7953
7954 2007-02-06  Richard Henderson  <rth@redhat.com>
7955
7956         * config/i386/constraints.md (Y2): Rename from Y.
7957         (Yi): New constraint.
7958         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
7959         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
7960         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
7961         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
7962         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
7963         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
7964         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
7965         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
7966         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
7967         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
7968         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
7969         vec_extractv2si_1): Change Y constraints to Y2.
7970         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
7971         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
7972         Change Y constraints to Y2.
7973         (sse2_loadld): Change Y constraints to x.
7974
7975 2007-02-06  Roger Sayle  <roger@eyesopen.com>
7976
7977         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
7978         (parity<mode>2): New define_expand using rs6000_emit_parity.
7979         * config/rs6000/rs6000.c (rs6000_emit_popcount,
7980         rs6000_emit_parity): New functions.
7981         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
7982         rs6000_emit_parity): Prototype here.
7983
7984 2007-02-06  Ian Lance Taylor  <iant@google.com>
7985
7986         * lower-subreg.c (simple_move_operand): Reject CONST.
7987         (resolve_clobber): Call validate_change rather than directly
7988         assigning to XEXP (pat, 0).
7989
7990 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
7991
7992         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
7993         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
7994         (tree-cfg.o): Remove hashtab.h dependency.
7995
7996         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
7997         (struct ivopts_data): Change niters to pointer_map_t.
7998         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
7999         (niter_for_exit): Create pointer_map on demand.  Change for
8000         pointer_map API.
8001         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
8002         (free_loop_data): Destroy data->niters if created and reset field.
8003         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
8004         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
8005
8006         * tree-ssa-reassoc.c: Include pointer-set.h.
8007         (bb_rank): Change to long *.
8008         (operand_rank): Change to pointer_map_t.
8009         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
8010         (insert_operand_rank): Accept long.
8011         (operand_entry_hash, operand_entry_eq): Remove.
8012         (get_rank): Return long.  Adjust for changes above.
8013         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
8014         and operand_rank.
8015         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
8016
8017         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
8018         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
8019         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
8020         is not NULL.
8021         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
8022         directly since it cannot be NULL.
8023         (get_vi_for_tree): Rewrite for pointer_map API.
8024         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
8025         (init_alias_vars): Create vi_for_tree as pointer_map.
8026         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
8027
8028         * tree-cfg.c: Don't include hashtab.h.
8029         (edge_to_cases): Declare as pointer_map.
8030         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
8031         Delete.
8032         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
8033         (start_recording_case_labels): Create edge_to_cases as pointer_map.
8034         (end_recoding_case_labels): Cleanup edge_to_cases manually before
8035         destroying it.
8036         (record_switch_edge): Delete.
8037         (get_cases_for_edge): Adjust for pointer_map API, inline
8038         record_switch_edge (rewritten for new API), remove goto.
8039
8040 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8041
8042         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
8043         * tree-nested.c: Include pointer-set.h.
8044         (var_map_elt, var_map_eq, var_map_hash): Delete.
8045         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
8046         to pointer_map_t's.
8047         (nesting_info_bitmap_obstack): New.
8048         (lookup_field_for_decl): Adjust for pointer_map API.
8049         (lookup_tramp_for_decl): Adjust for pointer_map API.
8050         (get_nonlocal_debug_decl): Adjust for pointer_map API.
8051         (get_local_debug_decl): Adjust for pointer_map API.
8052         (convert_nl_goto_reference): Adjust for pointer_map API.
8053         (convert_nl_goto_receiver): Adjust for pointer_map API.
8054         (create_nesting_tree): Create outside GGC space.  Create bitmap on
8055         the new obstack.  Create field_map and var_map as pointer_maps.
8056         (free_nesting_tree): Adjust for changes to create_nesting_tree.
8057         (root): Delete.
8058         (lower_nested_functions): Move root here, no need to NULL it.
8059         Initialize and release the obstack.
8060
8061 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
8062
8063         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
8064         Remove prototypes and make them non-static.
8065         (struct tree_int_map): Remove.
8066         * tree.h (struct tree_int_map): Move here, turning TO into an
8067         unsigned int.
8068         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
8069
8070         * tree.h (TREE_COMPLEXITY): Remove.
8071         (struct tree_exp): Remove complexity field.
8072         * tree.c (build1_stat): Don't set it.
8073
8074 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
8075             Victor Kaplansky  <victork@il.ibm.com>
8076
8077         * tree-vectorizer.c (vect_is_simple_use): Support induction.
8078         (vect_is_simple_reduction): Support reduction with induction as
8079         one of the operands.
8080         (vect_is_simple_iv_evolution): Fix formatting.
8081         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
8082         formatting.  Don't mark induction phis for vectorization.
8083         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
8084         * tree-vect-transform.c (get_initial_def_for_induction): New function.
8085         (vect_get_vec_def_for_operand): Support induction.
8086         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
8087         induction case.
8088         (vectorizable_reduction): Support reduction with induction as one of
8089         the operands.
8090         (vectorizable_type_demotion): Use def-type of stmt argument rather
8091         than dummy def-type.
8092
8093         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
8094         flag_tree_scev_cprop.
8095         * common.opt (tree-scev-cprop): New flag.
8096
8097         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
8098         call to vect_get_new_vect_var.
8099
8100 2007-02-06  Ira Rosen  <irar@il.ibm.com>
8101
8102         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
8103         vectype is not NULL.
8104         (vect_pattern_recog_1): Likewise.
8105
8106 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8107
8108         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
8109         (fold_negate_expr): Likewise.
8110
8111 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
8112
8113         PR debug/30189
8114         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
8115         even if cv-qualification is the same.
8116
8117 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
8118
8119         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
8120         __enable_execute_stack on completion.
8121
8122 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8123
8124         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
8125         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
8126         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
8127         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
8128         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
8129         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
8130         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
8131         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
8132
8133 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8134
8135         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
8136         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
8137         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
8138         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
8139         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
8140         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
8141         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
8142         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
8143         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
8144         umuldi3_highpart_rex64, umulsi3_highpart_insn,
8145         umulsi3_highpart_zext, smuldi3_highpart_rex64,
8146         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
8147         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
8148         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
8149         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
8150         sqrtextenddfxf2_i387): Added amdfam10_decode.
8151
8152         * config/i386/athlon.md (athlon_idirect_amdfam10,
8153         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
8154         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
8155         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
8156         athlon_ivector_store_amdfam10): New define_insn_reservation.
8157         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
8158         amdfam10.
8159
8160 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8161
8162         * config/i386/athlon.md (athlon_call_amdfam10,
8163         athlon_pop_amdfam10, athlon_lea_amdfam10): New
8164         define_insn_reservation.
8165         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
8166         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
8167         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
8168
8169 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8170
8171         * config/i386/athlon.md (athlon_sseld_amdfam10,
8172         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
8173         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
8174
8175 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8176
8177         * config/i386/athlon.md (athlon_sseins_amdfam10): New
8178         define_insn_reservation.
8179         * config/i386/i386.md (sseins): Added sseins to define_attr type
8180         and define_attr unit.
8181         * config/i386/sse.md: Set type attribute to sseins for insertq
8182         and insertqi.
8183
8184 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8185
8186         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
8187         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
8188         ssecomi_load_amdfam10, ssecomi_amdfam10,
8189         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
8190         define_insn_reservation.
8191         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
8192
8193 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8194
8195         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
8196         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
8197         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
8198         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
8199         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
8200         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
8201         define_insn_reservation.
8202
8203         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
8204         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
8205         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
8206         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
8207         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
8208
8209 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8210
8211         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
8212         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
8213         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
8214         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
8215         athlon_ssemul_load_k8): Added amdfam10.
8216
8217 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8218
8219         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
8220         (x86_sse_unaligned_move_optimal): New variable.
8221
8222         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
8223         m_AMDFAM10.
8224         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
8225         for unaligned vector SSE double/single precision loads for AMDFAM10.
8226
8227 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8228
8229         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
8230         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
8231         Define TARGET_CPU_DEFAULT_amdfam10.
8232         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
8233         (processor_type): Add PROCESSOR_AMDFAM10.
8234
8235         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
8236         processor_type in config/i386/i386.h.
8237         Enable imul peepholes for TARGET_AMDFAM10.
8238
8239         * config.gcc: Add support for --with-cpu option for amdfam10.
8240
8241         * config/i386/i386.c (amdfam10_cost): New variable.
8242         (m_AMDFAM10): New macro.
8243         (m_ATHLON_K8_AMDFAM10): New macro.
8244         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
8245         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
8246         x86_promote_QImode, x86_integer_DFmode_moves,
8247         x86_partial_reg_dependency, x86_memory_mismatch_stall,
8248         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
8249         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
8250         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
8251         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
8252         Enable/disable for amdfam10.
8253         (override_options): Add amdfam10_cost to processor_target_table.
8254         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
8255         processor_alias_table.
8256         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
8257         (ix86_adjust_cost): Add code for amdfam10.
8258
8259 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8260
8261         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
8262         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
8263         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
8264         * config/i386/i386.h: Add builtin definition for SSE4A.
8265         * config/i386/i386.md: Add support for ABM instructions
8266         (popcnt and lzcnt).
8267         * config/i386/sse.md: Add support for SSE4A instructions
8268         (movntss, movntsd, extrq, insertq).
8269         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
8270         Add -march=amdfam10 flag.
8271         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
8272         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
8273         and amdfam10.
8274         * doc/extend.texi: Add documentation for SSE4A builtins.
8275
8276 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
8277
8278         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
8279
8280 2007-02-05  Richard Guenther  <rguenther@suse.de>
8281
8282         * tree-vectorizer.h (vectorizable_function): Add argument type
8283         argument, change return type.
8284         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
8285         * tree-vect-transform.c (vectorizable_function): Handle extra
8286         argument, return vectorized function decl.
8287         (build_vectorized_function_call): Remove.
8288         (vectorizable_call): Handle calls with result and argument types
8289         differing.  Handle loop vectorization factor correctly.
8290         * targhooks.c (default_builtin_vectorized_function): Adjust for
8291         extra argument.
8292         * targhooks.h (default_builtin_vectorized_function): Likewise.
8293         * target.h (builtin_vectorized_function): Add argument type
8294         argument.
8295         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
8296         extra argument, allow vectorizing of lrintf.
8297         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
8298         documentation of target hook.
8299
8300 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
8301
8302         PR target/30665
8303         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
8304         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
8305         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
8306
8307 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8308
8309         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
8310         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
8311         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
8312         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
8313         before canonicalizing sincos to cexpi.
8314         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
8315
8316 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8317
8318         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
8319         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
8320         (alpha_init_builtins): Use alpha_add_builtins to process tables.
8321
8322 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8323
8324         * mips-tfile.c (initialize_init_file): Correct endianness test.
8325
8326 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
8327
8328         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
8329         the 'y' constraint.
8330
8331 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8332
8333         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
8334         saves in a PARALLEL before the register assignments.
8335
8336 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8337
8338         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
8339         DWARF_FRAME_RETURN_COLUMN to be a general register.
8340         * dwarf2out.c (init_return_column_size): New function, split from...
8341         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
8342         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
8343         to be nongeneral registers.
8344         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
8345         integer registers.
8346         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
8347         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
8348
8349 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8350
8351         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
8352
8353 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8354
8355         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
8356         (remove_path): Use can_remove_branch_p and remove_branch instead
8357         of loop_delete_branch_edge.
8358         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
8359         (tree_transform_and_unroll_loop): Remove dead branches immediately.
8360         Update profile using scale_dominated_blocks_in_loop.
8361         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
8362         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
8363         (can_remove_branch_p, remove_branch): Declare.
8364         * tree-cfg.c (tree_can_remove_branch_p): New function.
8365         (tree_cfg_hooks): Add tree_can_remove_branch_p.
8366         * cfgrtl.c (rtl_can_remove_branch_p): New function.
8367         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
8368
8369 2007-02-05  Jan Hubicka  <jh@suse.cz>
8370
8371         PR middle-end/30696
8372         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
8373         nodes in cgraph, don't remove offline copy of the function.
8374
8375 2007-02-04  Jan Hubicka  <jh@suse.cz>
8376
8377         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
8378         vectors might cause maybe_lookup_element_for_expr to be called
8379         on non-sra-candidate.
8380
8381 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8382
8383         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
8384         config/bfin/bfin.md, config/bfin/predicates.md: Follow
8385         spelling conventions.
8386
8387 2007-02-04  Richard Guenther  <rguenther@suse.de>
8388
8389         PR middle-end/30636
8390         * fold-const.c (try_move_mult_to_index): Make sure to not
8391         overflow one dimension of a multi-dimensional array access.
8392
8393 2007-02-04  Jan Hubicka  <jh@suse.cz>
8394
8395         * passes.c (init_optimization_passes): Reindent.
8396
8397 2007-02-04  Jan Hubicka  <jh@suse.cz>
8398             Eric Botcazou  <ebotcazou@adacore.com>
8399
8400         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
8401         (execute_fixup_cfg): Break out the abnormal goto code.
8402         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
8403         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
8404         (optimize_inline_calls): Call make_nonlocal_label_edges.
8405
8406 2007-02-04  Jan Hubicka  <jh@suse.cz>
8407
8408         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
8409         true when something was changed.
8410         (rename_ssa_copies): When something was changed, do
8411         TODO_remove_unused_locals.
8412         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
8413         add TODO_remove_unused_locals when instruction was removed.
8414
8415 2007-02-04  Jan Hubicka  <jh@suse.cz>
8416
8417         * ipa-inline.c (try_inline): Improve debug output; work on already
8418         inline edges too.
8419         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
8420         call try_inline for already inlined edges too when flattening;
8421         inline also functions that make callee growth but overall unit size
8422         reduce.
8423
8424 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8425
8426         * config/m32c/bitops.md, config/m32c/jump.md,
8427         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
8428         config/m32r/m32r.h, config/m32r/m32r.md,
8429         config/m32r/predicates.md, config/m68hc11/larith.asm,
8430         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
8431         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
8432         config/mips/mips-protos.h, config/mips/mips.c,
8433         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
8434         config/mn10300/mn10300.h, config/mn10300/predicates.md,
8435         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
8436         spelling conventions.
8437
8438         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
8439         Follow spelling conventions.
8440
8441 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
8442
8443         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
8444         warn about C++0x compatibility.
8445
8446 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8447
8448         * config/h8300/h8300.c, config/h8300/h8300.h,
8449         config/h8300/h8300.md: Follow spelling conventions.
8450
8451 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
8452
8453         PR middle-end/30667
8454         * combine.c (try_combine): Do not substitute source operand
8455         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
8456
8457 2007-02-03  Jan Hubicka  <jh@suse.cz>
8458
8459         PR gcov-profile/30650
8460         * value-prof.c (stringop_block_profile): Fix handling of size counter;
8461         do not divide by zero for never executed counters.
8462         (tree_find_values_to_profile): Fix counters.
8463         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
8464
8465 2007-02-03  Ian Lance Taylor  <iant@google.com>
8466
8467         * lower-subreg.c (simple_move_operand): New static function,
8468         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
8469         operands.
8470         (simple_move): Call simple_move_operand.
8471         (find_decomposable_subregs): Add special handling of MEMs.
8472         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
8473         meaning of return value.  If we see a hard register, test whether
8474         it can store a word_mode value.  Change all callers.
8475
8476 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8477
8478         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
8479         ftrapv insns and expanders.
8480         (subdi3): Change define_expand operand 1 to arith11_operand, and
8481         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
8482         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
8483         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
8484         respectively.
8485
8486         PR middle-end/30174
8487         * varasm.c (notice_global_symbol): Treat global objects as weak when
8488         flag_shlib is true.
8489
8490 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8491
8492         * emit-rtl.c (dconstpi): Delete.
8493         (dconstsqrt2): New.
8494         (init_emit_once): Delete dconstpi and init dconstsqrt2.
8495         * real.h (dconstpi): Delete.
8496         (dconstsqrt2): New.
8497         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
8498         (fold_builtin_hypot): Likewise.
8499
8500 2007-02-03  Tom Tromey  <tromey@redhat.com>
8501
8502         PR driver/30246
8503         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
8504         -gcoff3, -gxcoff3, -gvms3 implies -dD.
8505
8506 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
8507
8508         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
8509         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
8510         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
8511         config/rs6000/cell.md, config/rs6000/darwin.h,
8512         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
8513         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
8514         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
8515         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
8516         typos.  Follow spelling conventions.
8517         * doc/invoke.texi: Follow spelling conventions.
8518
8519 2007-02-03  Roger Sayle  <roger@eyesopen.com>
8520
8521         * simplify-rtx.c (simplify_relational_operation_1): Implement some
8522         canonicalization transformations that attempt to simplify integer
8523         constant comparisons to become comparisons against zero.
8524
8525 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8526
8527         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
8528         fabs(x)*sqrt(2).
8529         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
8530         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
8531
8532 2007-02-02  Mike Stump  <mrs@apple.com>
8533
8534         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
8535         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
8536         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
8537         generate a branch island.
8538
8539 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
8540
8541         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
8542         (xtensa_legitimate_address_p): New.
8543         (xtensa_legitimize_address): New.
8544         (xtensa_output_addr_const_extra): New.
8545         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
8546         (BASE_REG_P): New.
8547         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
8548         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
8549         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
8550         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
8551         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
8552         (xtensa_legitimize_address): New.
8553         (xtensa_output_addr_const_extra): New.
8554
8555 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
8556
8557         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
8558
8559 2007-02-02  Ian Lance Taylor  <iant@google.com>
8560
8561         * expmed.c (expand_divmod): Add comment.
8562
8563 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
8564
8565         * emit-rtl.c (renumber_insns): Remove.
8566         * flags.h: Remove the extern for flag_renumber_insns.
8567         * rtl.h: Remove the prototype for renumber_insns.
8568         * toplev.c (flag_renumber_insns): Remove.
8569
8570 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
8571
8572         Revert for x86 darwin:
8573         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
8574
8575         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
8576         code before the following patch under TARGET_MACHO.
8577         (ix86_function_value_regno_p): Likewise.
8578
8579 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8580
8581         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
8582         COMPLEX_EXPR.
8583
8584 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8585
8586         PR target/29682
8587         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
8588         general or fp registers.  Add comments.
8589         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
8590
8591 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
8592
8593         * pointer-set.c (insert_aux): Only return insertion slot.
8594         (pointer_set_insert): Adjust.
8595         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
8596         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
8597         pointer_map_traverse): New.
8598         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
8599         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
8600         pointer_map_contains, pointer_map_traverse): Declare.
8601
8602 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
8603
8604         PR middle-end/30473
8605         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
8606         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
8607
8608 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8609
8610         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
8611
8612         (struct _dep): New type.
8613         (dep_t): New typedef.
8614         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
8615         (DEP_STATUS): New access macro.  The macro with the same name was
8616         renamed to DEP_LINK_STATUS.
8617         (dep_init): Declare function
8618
8619         (struct _dep_link): New type.
8620         (dep_link_t): New typedef.
8621         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
8622         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
8623         (DEP_LINK_STATUS): New macro.
8624         (debug_dep_links): New debug function.
8625
8626         (struct _deps_list): New type.
8627         (deps_list_t): New typedef.
8628         (DEPS_LIST_FIRST): New access macro.
8629         (FOR_EACH_DEP_LINK): New cycle macro.
8630         (create_deps_list, free_deps_list, delete_deps_list): Declare
8631         functions.
8632         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
8633         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
8634         (copy_deps_list_change_con): Ditto.
8635
8636         (move_dep_link): Declare function.
8637
8638         (struct _dep_node): New type.
8639         (dep_node_t): New typedef.
8640         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
8641
8642         (struct haifa_insn_data.back_deps): New field to hold backward
8643         dependencies of the insn.
8644         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
8645         to deps_list_t.
8646         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
8647         Change its type to deps_list_t.
8648         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
8649         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
8650         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
8651
8652         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
8653
8654         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
8655
8656         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
8657         all callers.
8658         (dep_cost): Declare.
8659
8660         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
8661         (ds_to_dk, dk_to_ds): New functions.
8662
8663         (init_dep_1): New static function.
8664         (init_dep): New function.
8665         (copy_dep): New static function.
8666
8667         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
8668         functions.
8669         (detach_dep_link): New static function.
8670         (move_dep_link): New function.
8671
8672         (dep_links_consistent_p, dump_dep_links): New static functions.
8673         (debug_dep_links): New debugging function.
8674
8675         (deps_obstack, dl_obstack, dn_obstack): New static variables.
8676
8677         (alloc_deps_list, init_deps_list): New static functions.
8678         (create_deps_list): New function.
8679         (clear_deps_list): New static function.
8680         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
8681         (deps_list_consistent_p, dump_deps_list): New static functions.
8682         (debug_deps_list): New function.
8683         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
8684         functions.
8685         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
8686
8687         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
8688         use new scheduler dependencies lists.
8689         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
8690         (sched_analyze): Ditto.  Initialize dependencies lists.
8691         (add_forw_dep, compute_forward_dependences): Update to use new
8692         scheduler dependencies lists.
8693
8694         (init_dependency_caches): Init deps_obstack.
8695         (free_dependency_caches): Free deps_obstack.
8696
8697         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
8698         new scheduler dependencies lists.
8699         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
8700         (add_back_forw_dep, delete_back_forw_dep): Ditto.
8701
8702         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
8703         Update to use new scheduler dependencies lists.
8704         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
8705         (debug_dependencies): Ditto.
8706         (schedule_region): Update comments.
8707
8708         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
8709         scheduler dependencies lists.
8710         (schedule_ebb): Update comments.
8711
8712         * rtl.def (DEPS_LIST): Remove.
8713
8714         * lists.c (unused_deps_list): Remove.
8715         (free_list): Update assertions.
8716
8717         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
8718         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
8719
8720         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
8721         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
8722
8723         * haifa-sched.c (comments): Update.
8724         (insn_cost1): Remove.  Inline the code into insn_cost ().
8725         (insn_cost): Update to use new scheduler dependencies lists.  Move
8726         processing of the dependency cost to dep_cost ().
8727         (dep_cost): New function.  Use it instead of insn_cost () when
8728         evaluating cost of the dependency.  Use compatible interface to
8729         interact with the target.
8730         (priority): Update to use new scheduler dependencies lists.
8731         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
8732         with greater number of insns that depend on the insn.
8733         (schedule_insn): Update to use new scheduler dependencies lists.  Add
8734         code to free backward dependencies lists.  Inline and optimize code
8735         from resolve_dep () - see PR28071.
8736         (ok_for_early_queue_removal): Update to use new scheduler dependencies
8737         lists.  Update call to targetm.sched.is_costly_dependence hook.
8738
8739         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
8740         scheduler dependencies lists.
8741
8742         (resolve_dep): Remove.  Move the logic to schedule_insn ().
8743         (init_h_i_d): Initialize dependencies lists.
8744
8745         (process_insn_depend_be_in_spec): Rename to
8746         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
8747         dependencies lists.
8748         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
8749         Update to use new scheduler dependencies lists.
8750         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
8751
8752         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
8753         new scheduler dependencies lists.
8754         (build_intra_loop_deps): Ditto.
8755
8756         * target.h (struct _dep): Declare to use in
8757         gcc_target.sched.is_costly_dependence.
8758         (struct gcc_target.sched.adjust_cost): Fix typo.
8759         (struct gcc_target.sched.is_costly_dependence): Change signature to use
8760         single dep_t parameter instead of an equivalent triad.
8761         (struct gcc_target.sched.adjust_cost_2): Remove.
8762
8763         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
8764
8765         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
8766
8767         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
8768         documentation.
8769         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
8770
8771         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
8772         (REG_DEP_TRUE): Document.
8773
8774         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
8775         Change signature to correspond to the targetm.sched.adjust_cost hook.
8776         Update use in TARGET_SCHED_ADJUST_COST_2.
8777         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
8778         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
8779         new scheduler dependencies lists.
8780         (ia64_gen_check): Ditto.
8781
8782         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
8783         dependencies lists.
8784
8785         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
8786         signature to correspond to the targetm.sched.is_costly_dependence hook.
8787         (is_costly_group): Update to use new scheduler dependencies lists.
8788
8789         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
8790         instead of INSN_COST () macro.
8791
8792 2007-02-01  Ian Lance Taylor  <iant@google.com>
8793
8794         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
8795
8796 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
8797
8798         * pa.md (tp_load): Correct mfctl instruction syntax.
8799
8800 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
8801
8802         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
8803         altivec_padding_size calculation on AIX.  Improve comment, add
8804         assert to verify that it's right.
8805
8806         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
8807         64-bit.
8808
8809 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
8810
8811         PR inline-asm/28686
8812         * global.c (global_alloc): Add mising initialization of
8813         ELIMINABLE_REGSET.
8814
8815 2007-02-01  Roger Sayle  <roger@eyesopen.com>
8816
8817         * alias.c (init_alias_analysis): Correct whitespace.
8818         * bb-reorder.c (fix_edges_for_rarely_executed_code,
8819         partition_hot_cold_basic_blocks): Likewise.
8820         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
8821         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
8822         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
8823         fold_builtin_snprintf_chk, fold_builtin_printf,
8824         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
8825         do_mpfr_arg3, do_mpfr_sincos): Likewise.
8826         * cfgcleanup.c (cleanup_cfg): Likewise.
8827         * cfgexpand.c (tree_expand_cfg): Likewise.
8828         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
8829         * function.c (get_next_funcdef_no): Likewise.
8830         * gengtype.c (main): Likewise.
8831         * genmodes.c (main): Likewise.
8832         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
8833         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
8834         * ifcvt.c (noce_emit_move_insn): Likewise.
8835         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
8836         Likewise.
8837         * stor-layout.c (get_best_mode): Likewise.
8838         * tree-ssa-loop-niter.c (get_val_for): Likewise.
8839         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
8840         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
8841         perform_var_substitution, solve_graph): Likewise.
8842         * tree-vrp.c (vrp_finalize): Likewise.
8843
8844 2007-02-01  Ian Lance Taylor  <iant@google.com>
8845
8846         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
8847         high part of a paradoxical subreg, return a constant zero.
8848
8849 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
8850
8851         * toplev.c (lang_dependent_init): Call init_set_costs.
8852         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
8853
8854 2007-02-01  Richard Guenther  <rguenther@suse.de>
8855
8856         PR middle-end/30656
8857         * fold-const.c (fold_negate_expr): Allow negating a
8858         constant if overflow does not change.
8859
8860 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8861
8862         * doc/c-tree.texi (Expression trees): Improve markup.
8863         * doc/tm.texi (Register Classes, Addressing Modes)
8864         (Floating Point): Fix spacing after abbreviations.  Fix some
8865         typos.
8866
8867 2007-02-01  Ben Elliston  <bje@au.ibm.com>
8868
8869         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
8870         * doc/contrib.texi: Likewise.
8871         * doc/install.texi: Likewise.
8872
8873 2007-01-31  Richard Henderson  <rth@redhat.com>
8874             Ian Lance Taylor  <iant@google.com>
8875
8876         * lower-subreg.c: New file.
8877         * rtl.def (CONCATN): Define.
8878         * passes.c (init_optimization_passes): Add pass_lower_subreg and
8879         pass_lower_subreg2.
8880         * emit-rtl.c (update_reg_offset): New static function, broken out
8881         of gen_rtx_REG_offset.
8882         (gen_rtx_REG_offset): Call update_reg_offset.
8883         (gen_reg_rtx_offset): New function.
8884         * regclass.c: Revert patch of 2006-03-05, restoring
8885         reg_scan_update.
8886         (clear_reg_info_regno): New function.
8887         * dwarf2out.c (concatn_loc_descriptor): New static function.
8888         (loc_descriptor): Handle CONCATN.
8889         * common.opt (fsplit_wide_types): New option.
8890         * opts.c (decode_options): Set flag_split_wide_types when
8891         optimizing.
8892         * timevar.def (TV_LOWER_SUBREG): Define.
8893         * rtl.h (gen_reg_rtx_offset): Declare.
8894         (reg_scan_update): Declare.
8895         * regs.h (clear_reg_info_regno): Declare.
8896         * tree-pass.h (pass_lower_subreg): Declare.
8897         (pass_lower_subreg2): Declare.
8898         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
8899         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
8900         -fsplit-wide-types.
8901         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
8902         * Makefile.in (OBJS-common): Add lower-subreg.o.
8903         (lower-subreg.o): New target.
8904
8905 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
8906
8907         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
8908
8909 2007-01-31  Anatoly Sokolov <aesok@post.ru>
8910
8911         PR target/19087
8912         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
8913
8914 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8915
8916         PR middle-end/29335
8917         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
8918
8919 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
8920
8921         * cfgloop.h: Include vec-prim.h.
8922         (enum li_flags): Remove LI_ONLY_OLD.
8923         (loop_iterator): Changed.
8924         (fel_next, fel_init): Iterate over loop tree.
8925         (FOR_EACH_LOOP_BREAK): New macro.
8926         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
8927         FOR_EACH_LOOP.
8928         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
8929         * modulo-sched.c (sms_schedule): Ditto.
8930         * tree-vectorizer.c (vectorize_loops): Ditto.
8931         * doc/loop.texi: Update information on loop numbering and behavior of
8932         FOR_EACH_LOOP wrto new loops.
8933         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8934         add_to_evolution_1): Test nestedness of loops instead of comparing
8935         their numbers.
8936         * tree-chrec.c (chrec_fold_plus_poly_poly,
8937         chrec_fold_multiply_poly_poly, chrec_evaluate,
8938         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
8939         reset_evolution_in_loop): Ditto.
8940         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
8941
8942 2007-01-31  Dirk Mueller  <dmueller@suse.de>
8943
8944         * c-common.c (warn_about_parentheses): Separate warning about
8945         un-parenthized sequence of comparison operators from the one
8946         which is supposed to warn about x <= y <= z.
8947
8948 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
8949
8950         * optabs.h (enum optab_index): Add new OTI_isinf.
8951         (isinf_optab): Define corresponding macro.
8952         * optabs.c (init_optabs): Initialize isinf_optab.
8953         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
8954         patterns.
8955         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
8956         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
8957         using isinf_optab.
8958         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
8959         expand_builtin_interclass_mathfn.
8960         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
8961         * config/i386/i386.md (UNSPEC_FXAM): New constant.
8962         (fxam<mode>2_i387): New insn pattern.
8963         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
8964         built-in functions as x87 inline asm.
8965
8966 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
8967
8968         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
8969
8970 2007-01-30  Eric Christopher  <echristo@apple.com>
8971
8972         * config.gcc: Add geode.
8973
8974 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
8975
8976         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
8977         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
8978         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
8979         value-prof.c: Fix comment typos.
8980
8981 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8982
8983         PR c++/24745
8984         * doc/invoke.texi (Wpointer-arith): Document warning.
8985
8986 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
8987
8988         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
8989         the list of discrepancies from the draft TR.
8990
8991 2007-01-30  Dirk Mueller  <dmueller@suse.de>
8992
8993         PR c++/30601
8994         * doc/invoke.texi (-Wreturn-type): Update description to
8995         match new behavior.
8996
8997 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
8998
8999         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
9000
9001 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
9002
9003         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
9004         to handle optabs that operate on floating point input argument and
9005         output to integer output.
9006         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
9007         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
9008         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
9009         expand_builtin_interclass_mathfn ().
9010         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
9011         (ilogbsi2): Remove.
9012         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
9013         ilogbl built-in functions as x87 intrinsics.
9014
9015 2007-01-30  Richard Guenther  <rguenther@suse.de>
9016
9017         PR middle-end/27657
9018         * dwarf2out.c (reference_to_unused): Query varpool if the
9019         variable was output.
9020
9021 2007-01-30  Richard Guenther  <rguenther@suse.de>
9022
9023         PR middle-end/30313
9024         * passes.c (execute_one_pass): Reset in_gimple_form to not
9025         confuse non-unit-at-a-time mode.
9026
9027 2007-01-29  Roger Sayle  <roger@eyesopen.com>
9028             Richard Guenther  <rguenther@suse.de>
9029
9030         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
9031         avoid undefined behaviour on overflow.  Use force_fit_type_double
9032         to construct the constant with the specified TREE_OVERFLOW.
9033
9034 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9035
9036         * config/dfp-bit.c: Add parameterized support for fp exceptions.
9037         * config/dfp-bit.h: Ditto.
9038
9039 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9040
9041         * c-decl.c (pop_scope): Replace warnings with call to
9042         warn_for_unused_label.
9043         * c-common.h (warn_for_unused_label): Declare.
9044         * c-common.c (warn_for_unused_label): Define.
9045
9046 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9047
9048         * tree-optimize.c (update_inlined_to_pointers): Delete unused
9049         function.
9050
9051 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9052
9053         * Makefile.in (USER_H): Remove decfloat.h.
9054         * ginclude/decfloat.h: Delete, moving contents to ...
9055         * ginclude/float.h: Add support for decimal floating point,
9056         guarded by __STDC_WANT_DEC_FP__.
9057
9058 2007-01-29  Mike Stump  <mrs@apple.com>
9059
9060         * doc/gccint.texi (Top): Rename Loop Representation to Loop
9061         Analysis and Representation to resolve case insensitive conflict.
9062         * doc/loop.texi (Loop Analysis and Representation): Likewise.
9063
9064 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
9065
9066         * tree.h (struct tree_memory_tag): Add aliases member.
9067         (MTAG_ALIASES): New macro.
9068         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
9069         (add_may_alias): Remove pointer-set. Update for may_aliases being
9070         a bitmap.
9071         (mark_aliases_call_clobbered): Update for may_aliases being a
9072         bitmap.
9073         (compute_tag_properties): Ditto.
9074         (create_partition_for): Ditto.
9075         (compute_memory_partitions): Ditto.
9076         (dump_may_aliases_for): Ditto.
9077         (is_aliased_with): Ditto.
9078         (add_may_alias_for_new_tag): Ditto.
9079         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
9080         (compute_is_aliased): New function.
9081         (compute_may_aliases): Call compute_is_aliased).
9082         (init_alias_info): Initialize alias_bitmap_obstack.
9083         (union_alias_set_into): New function.
9084         (compute_flow_sensitive_aliasing): Use union_aliases_into.
9085         (have_common_aliases_p): Rewrite to take two bitmaps and use
9086         intersection.
9087         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
9088         Update for bitmaps.
9089         (finalize_ref_all_pointers): Update for add_may_alias changes.
9090         (new_type_alias): Ditto.
9091         * tree-flow-inline.h (may_aliases): Return a bitmap.
9092         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
9093         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
9094         may_aliases being a bitmap.
9095         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
9096         may_aliases now returns a bitmap.
9097         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
9098         being a bitmap.
9099         * tree-ssa-operands.c (add_virtual_operand): Update for
9100         may_aliases being a bitmap.
9101
9102 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
9103
9104         PR tree-optimization/30630
9105         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
9106         variable as changed.
9107
9108 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
9109
9110         PR c++/28266
9111         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
9112         expanded only once even if an error occurs.
9113
9114 2007-01-29  Ben Elliston  <bje@au.ibm.com>
9115
9116         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
9117         (__gcov_average_profiler): Likewise.
9118         (__gcov_ior_profiler): Likewise.
9119         (__gcov_merge_ior): Likewise.
9120
9121 2007-01-28  Jan Hubicka  <jh@suse.cz>
9122
9123         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
9124         * value-prof.c (stringop_block_profile): Likewise.
9125
9126 2007-01-28  Jan Hubicka  <jh@suse.cz>
9127
9128         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
9129         variant handling histograms; add wrapper.
9130         (clear_storage_via_libcall): Export.
9131         (emit_block_move_hints): Break out from ...; add histograms.
9132         (emit_block_move): ... this one.
9133         (clear_storage_hints): Break out from ...; add histograms.
9134         (clear_storage): ... this one.
9135         (set_storage_via_memset): Handle histogram.
9136         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
9137         (clear_storage_hints, clear_storage_via_libcall): Declare.
9138         (set_storage_via_setmem): Update prototype.
9139         * doc/md.texi (movmem, setmem): Document new arguments.
9140
9141         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
9142         new histograms.
9143         (stringop_block_profile): New global function.
9144         (tree_stringops_values_to_profile): Profile block size and alignment.
9145         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
9146         HIST_TYPE_IOR.
9147         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
9148         (stringop_block_profile): Declare.
9149         * builtins.c: Include value-prof.h.
9150         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
9151         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
9152         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
9153         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
9154         * profile.c (instrument_values): Add new counters.
9155         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
9156         calls.
9157         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
9158         (tree_init_edge_profiler): Build new profilers.
9159         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
9160         (pass_tree_profile): Add dump.
9161         (tree_profile_hooks): Update.
9162         * Makefile.in (LIBGCOV): Add new constants.
9163         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
9164         __gcov_ior_profiler): New.
9165         * i386.md (movmem/setmem expanders): Add new optional arguments.
9166
9167 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
9168
9169         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
9170
9171 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9172
9173         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
9174         (tree_unswitch_single_loop): Pass eni_size_weights to
9175         tree_num_loop_insns.
9176         * tree-ssa-loop-manip.c: Include tree-inline.h.
9177         (can_unroll_loop_p): Pass eni_size_weights to
9178         tree_num_loop_insns.
9179         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
9180         Pass eni_size_weights to estimate_num_insns.
9181         * tree.h (init_inline_once): Export.
9182         * toplev.c (backend_init): Call init_inline_once.
9183         * cgraphunit.c (cgraph_process_new_functions,
9184         cgraph_analyze_function): Pass eni_inlining_weights to
9185         estimate_num_insns.
9186         * ipa-inline.c (compute_inline_parameters): Ditto.
9187         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
9188         to estimate_num_insns.
9189         (try_unroll_loop_completely): Pass eni_size_weights to
9190         tree_num_loop_insns.
9191         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
9192         ot estimate_num_insns.
9193         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
9194         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
9195         * tree-inline.c (eni_inlining_weights, eni_size_weights,
9196         eni_time_weights): New variables.
9197         (init_inline_once): Initialize them.
9198         (struct eni_data): Mew.
9199         (estimate_num_insns_1, estimate_num_insns): Use weights.
9200         * tree-inline.h (struct eni_weights_d): New.
9201         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
9202         (estimate_num_insns): Declaration changed.
9203         * cfgloop.h (tree_num_loop_insns): Declaration changed.
9204         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
9205         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
9206
9207 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9208
9209         * tree-data-ref.c (conflict_fn): Assert that the number of affine
9210         relations in the conflict function is valid.
9211
9212 2007-01-27  Ian Lance Taylor  <iant@google.com>
9213
9214         * common.opt: Add fstrict-overflow.
9215         * opts.c (decode_options): Set flag_strict_overflow if -O2.
9216         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
9217         (TYPE_OVERFLOW_UNDEFINED): Define.
9218         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
9219         Replace all uses.
9220         * tree.h (TYPE_TRAP_SIGNED): Don't define.
9221         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
9222         (fold_negate_expr): Likewise.
9223         (make_range): Likewise.
9224         (extract_muldiv_1): Likewise.
9225         (maybe_canonicalize_comparison): Likewise.
9226         (fold_comparison): Likewise.
9227         (fold_binary): Likewise.
9228         (tree_expr_nonnegative_p): Likewise.
9229         (tree_expr_nonzero_p): Likewise.
9230         * tree-vrp.c (compare_values): Likewise.
9231         (extract_range_from_binary_expr): Likewise.
9232         (extract_range_from_unary_expr): Likewise.
9233         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
9234         Likewise.
9235         (nowrap_type_p): Likewise.
9236         * tree-scalar-evolution.c (simple_iv): Likewise.
9237         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
9238         (build_range_check): Likewise.
9239         (extract_muldiv_1): Likewise.
9240         (fold_comparison): Likewise.
9241         * tree-vrp.c (vrp_int_const_binop): Likewise.
9242         (extract_range_from_unary_expr): Likewise.
9243         * convert.c (convert_to_integer): Likewise.
9244         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
9245         (fold_comparison): Likewise.
9246         (fold_binary): Likewise.
9247         * optabs.c (optab_for_tree_code): Likewise.
9248         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
9249         * simplify-rtx.c (simplify_const_relational_operation): Check
9250         flag_strict_overflow and flag_trapv.
9251         (simplify_const_relational_operation): Likewise.
9252         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
9253         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
9254         -fstrict-overflow.
9255
9256 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9257
9258         * tree.c (tree_fold_gcd): Delete.
9259         * tree.h (tree_fold_gcd): Remove prototype.
9260         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
9261         test whether one constant integer is a multiple of another.  Instead
9262         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
9263         * fold-const.c (multiple_of_p):  We've determined both TOP and
9264         BOTTOM are integer constants so we can call int_const_binop directly
9265         instead of the more generic const_binop.
9266
9267 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9268
9269         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
9270         1*X check that the constant hasn't overflowed, to preserve the
9271         TREE_OVERFLOW bit.
9272         (round_up): Provide an efficient implementation when rouding-up an
9273         INTEGER_CST to a power-of-two.
9274
9275 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9276
9277         * doc/sourcebuild.texi: Add comma for clarity.
9278         * doc/extend.texi: Fix some typos.
9279         * doc/passes.texi: Likewise.
9280         * doc/cppinternals.texi: Likewise.
9281         * doc/c-tree.texi: Likewise.
9282         * doc/tree-ssa.texi: Likewise.
9283         * doc/install.texi: Likewise.
9284
9285 2007-01-27  Jan Hubicka  <jh@suse.cz>
9286
9287         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
9288         (pass_sra): Do not require alias information.
9289         * passes.c (init_optimization_passes): Add SRA
9290
9291 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
9292
9293         * tracer.c (rest_of_handle_tracer): We already cleaned
9294         up the CFG in tracer() so don't do it here again.
9295         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
9296         cleanup_cfg here, either.  And don't call renumber_insns.
9297
9298         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
9299         and BB_HEAD are in the insn stream here.  Instead make sure
9300         that BB_INSN is valid on all insns.  Also, do check here that
9301         there are no pending branch predictions...
9302         (rtl_verify_flow_info): ...instead of doing it here.  Checks
9303         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
9304         here.
9305
9306 2007-01-26  Roger Sayle  <roger@eyesopen.com>
9307
9308         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
9309         function to simplify/factorize operand order canonicalization.
9310         (ix86_fixup_binary_operands): Reorganize using the above function.
9311         (ix86_binary_operator_ok): Likewise.
9312
9313 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
9314
9315         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
9316         file scope from optimize_attrs.
9317         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
9318         up search.
9319         (optimize_attrs): Clear insn_code_values after freeing it.
9320
9321 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9322
9323         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
9324         a parts.base assignment.
9325
9326 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9327
9328         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
9329         (compute_subscript_distance, initialize_data_dependence_relation,
9330         finalize_ddr_dependent, analyze_ziv_subscript,
9331         analyze_siv_subscript_cst_affine,
9332         compute_overlap_steps_for_affine_univar,
9333         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
9334         analyze_siv_subscript, analyze_miv_subscript,
9335         analyze_overlapping_iterations, subscript_dependence_tester_1,
9336         compute_self_dependence, free_dependence_relation): Work
9337         with affine_fn instead of chrecs.
9338         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
9339         common_affine_function, affine_function_base,
9340         affine_function_constant_p, affine_fn_op, affine_fn_plus,
9341         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
9342         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
9343         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
9344         (all_chrecs_equal_p): Removed.
9345         * tree-data-ref.h (affine_fn, conflict_function): New types.
9346         (struct subscript): Change type of conflicting_iterations_in_a
9347         and conflicting_iterations_in_b.
9348
9349 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
9350
9351         PR other/30182
9352         * config/pa/pa.h (TARGET_HPUX_11): New.
9353         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
9354         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
9355
9356 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
9357         Richard Guenther  <rguenther@suse.de>
9358
9359         * tree-ssa-structalias.c (solve_graph): Handle case
9360         we merged the variable to another.
9361
9362 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9363
9364         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
9365         functions.
9366
9367         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
9368         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
9369
9370 2007-01-25  DJ Delorie  <dj@redhat.com>
9371
9372         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
9373         allow changes to modes which don't fit in those registers.
9374
9375         * reload1.c (choose_reload_regs): Check for invalid subregs before
9376         computing their locations, not after.
9377
9378 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
9379
9380         PR 25127
9381         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
9382         save Altivec registers in an eh_return function.
9383         (compute_vrsave_mask): Likewise.
9384         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
9385         for saving Altivec registers.
9386         (rs6000_emit_prologue): Don't allocate stack twice in
9387         eh_return function.  Correct expected value of altivec_save_offset
9388         when using save_world.  Describe save of R0 to stack when using
9389         save_world.  Describe stack pointer adjustment when using
9390         save_world.  Remove duplicated eh_return parameter register saving.
9391         Update sp_offset variable after save_world.
9392         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
9393         darwin-world.asm.
9394         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
9395         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
9396         implies Altivec.
9397
9398 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9399
9400         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
9401
9402 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9403
9404         PR other/30182
9405         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
9406         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
9407
9408 2007-01-25  Richard Guenther  <rguenther@suse.de>
9409
9410         * doc/invoke.texi (-Wcoverage-mismatch): Document.
9411         * common.opt (-Wcoverage-mismatch): New warning option.
9412         * coverage.c (get_coverage_counts): Ignore coverage mismatch
9413         if -Wcoverage-mismatch is given.
9414
9415 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
9416
9417         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
9418         (ipcp_driver): Change to static definition.
9419         Add dumping of the ifunctions.
9420         (constant_val_insert): Remove unused parameter. Support for SSA.
9421         (ipcp_propagate_const): Support for SSA.
9422         (ipcp_profile_bb_print): Print only analyzed nodes.
9423         (ipcp_replace_map_create): Remove support for Fortran constant
9424         for now.
9425         * ipa-prop.c (ipa_method_modify_stmt,
9426         ipa_callsite_compute_param): Support for SSA.
9427         * ipa-prop.h (ipcp_driver): Remove declaration.
9428         (IS_VALID_TREE_MAP_INDEX): Add define.
9429
9430 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
9431
9432         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
9433
9434 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9435
9436         PR middle-end/30447
9437         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
9438         constant argument to cabs and do it without checking for
9439         -funsafe-math-optimizations.
9440
9441 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
9442
9443         * c-common.h (RID_FIRST_CXX0X): New.
9444         (RID_LAST_CXX0X): New.
9445         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
9446         by -Wall.
9447         * c.opt (Wc++0x-compat): New.
9448         * doc/invoke.texi (-Wc++0x-compat): Document.
9449
9450 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9451
9452         * builtins.c (fold_builtin_carg): New.
9453         (fold_builtin_1): Use it.
9454
9455 2007-01-24  Jan Hubicka  <jh@suse.cz>
9456
9457         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
9458
9459         * ipa-inline.c (initial_insns, max_insns): Delete.
9460         (compute_max_insns): New function.
9461         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
9462         of insns as base for code growth.
9463         (cgraph_decide_inlining): Make initial_insns local; do not compute
9464         max_insns.
9465         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
9466         * doc/invoke.texi (inline-unit-growth): Update docs.
9467
9468 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
9469
9470         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
9471         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
9472         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
9473         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
9474         for CPUs that have PTA_CX16 set.
9475
9476         PR middle-end/27416
9477         * gimplify.c (omp_check_private): New function.
9478         (gimplify_scan_omp_clauses): Use it for
9479         firstprivate/lastprivate/reduction.
9480
9481         PR middle-end/30494
9482         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
9483         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
9484
9485         PR middle-end/30421
9486         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
9487         If lower_lastprivate_clauses emits some statements, append them
9488         to dlist rather than body_p and to body_p append an initializer.
9489         (lower_omp_for): Adjust caller.
9490
9491 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
9492
9493         * target.h (globalize_decl_name): New.
9494         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9495         * output.h (default_globalize_decl_name): New.
9496         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
9497         globalize_label.
9498         (globalize_decl): Ditto.
9499         (default_globalize_decl_name): New.
9500         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
9501         (ia64_handle_version_id_attribute): New.
9502         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9503         (ia64_asm_output_external): Use globalize_decl_name instead
9504         of globalize_label.
9505         * doc/extend.texi (version_id): New pragma.
9506         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
9507
9508 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9509
9510         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
9511         _uleb128_t and _Unwind_SWord with _sleb128_t.
9512         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
9513         uw_frame_state_for, uw_update_context_1): Likewise.
9514         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
9515         * unwind-pe.h (read_uleb128, read_sleb128,
9516         read_encoded_value_with_base): Likewise.
9517         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
9518
9519 2007-01-24  Richard Guenther  <rguenther@suse.de>
9520
9521         * builtins.c (expand_builtin_cexpi): Get the fndecl
9522         for cexp in the correct way.
9523
9524 2007-01-24  Jan Hubicka  <jh@suse.cz>
9525
9526         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
9527
9528 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9529
9530         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
9531         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
9532         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
9533         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
9534         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
9535         __SIZEOF_PTRDIFF_T__.
9536         * doc/cpp.texi: Documentation for the new builtin macros added.
9537
9538 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
9539
9540         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
9541         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
9542         instead of operands[2] to avoid access past the end of array.
9543
9544 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
9545
9546         * reload1.c (emit_reload_insns): Pass the reload register
9547         for a non-spill output reload through forget_old_reloads_1.
9548
9549 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
9550
9551         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
9552         _SOFT_DOUBLE if doubles use software floating-point.
9553         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
9554         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9555         * config/rs6000/darwin-ldouble.c: Also compile functions for
9556         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
9557         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9558         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
9559         commented-out long double override.
9560         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
9561         * config/rs6000/eabispe.h: Likewise.
9562         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
9563         long double for non-SPE.
9564         (rs6000_handle_option): Likewise.
9565         (invalid_e500_subreg): Disallow more subregs involding DImode,
9566         DFmode, TImode or TFmode.
9567         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
9568         E500 double.
9569         (legitimate_lo_sum_address_p): Also check for TFmode for E500
9570         double.
9571         (rs6000_legitimize_address): Also handle TFmode for E500 double.
9572         (rs6000_legitimize_reload_address): Also handle TFmode for E500
9573         double.
9574         (rs6000_legitimate_address): Also check for TFmode for E500
9575         double.
9576         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
9577         (spe_build_register_parallel): Handle TFmode and TCmode.
9578         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
9579         double.
9580         (function_arg): Handle TFmode and TCmode for E500 double.
9581         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
9582         in general.
9583         (print_operand): Handle TFmode and TImode for %y.
9584         (rs6000_generate_compare): Handle TFmode comparisons for E500
9585         double.
9586         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
9587         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
9588         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
9589         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
9590         TFmode for E500 double.
9591         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
9592         (floatsidf2): Enable for E500 double.
9593         (movtf_softfloat): Use rs6000_nonimmediate_operand.
9594         (extenddftf2): Change to extenddftf2_fprs.
9595         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
9596         depending on TARGET_E500_DOUBLE.
9597         (extendsftf2): Enable for E500 double.
9598         (trunctfdf2): Enable for E500 double.
9599         (trunctfsf2): Change to trunctfsf2_fprs.
9600         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
9601         depending on TARGET_E500_DOUBLE.
9602         (floatsitf2): Enable for E500 double.
9603         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
9604         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
9605         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
9606         (negtf2): Change to negtf2_internal.
9607         (negtf2): New expander.
9608         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
9609         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
9610         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
9611         (movdi_internal32): Use rs6000_nonimmediate_operand.
9612         (unnamed splitter): Likewise.
9613         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
9614         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
9615         (SPE64TF, DITI): New mode macros.
9616         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
9617         modes.
9618         (frob_tf_ti): New.
9619         (frob_<mode>_di_2): New.
9620         (frob_tf_di_8_2): New.
9621         (frob_di_df): Change to frob_di_<mode>; allow more modes.
9622         (frob_ti_tf): New.
9623         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
9624         more modes.
9625         (frob_ti_<mode>_8_2): New.
9626         (frob_ti_tf_2): New.
9627         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
9628         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
9629         TFmode.
9630         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
9631         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
9632         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
9633         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
9634         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
9635         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
9636         tsttflt_gp): New.
9637
9638 2007-01-23  Ian Lance Taylor  <iant@google.com>
9639
9640         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
9641         insn-*.o first.
9642         (OBJS-archive): Reformat, alphabetize.
9643         (OBJS): Change out_object_file to OBJS-md.
9644
9645 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
9646
9647         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
9648         JUMP_P and CALL_P predicates where applicable.
9649         * config/i386/i386.c: Ditto.
9650         * config/i386/i386.md: Ditto.
9651         * config/i386/mmx.md: Ditto.
9652         * config/i386/predicates.md: Ditto.
9653
9654 2007-01-22  Andreas Schwab  <schwab@suse.de>
9655
9656         * config/m68k/m68k.h: Fix comment.
9657
9658 2007-01-22  Jan Hubicka  <jh@suse.cz>
9659
9660         * passes.c (init_optimization_passes): Do not rerun
9661         pass_early_warn_uninitialized.
9662
9663 2007-01-22  Richard Guenther  <rguenther@suse.de>
9664
9665         PR tree-optimization/30038
9666         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
9667         function.
9668         (execute_cse_sincos_1): Likewise.
9669         (execute_cse_sincos): Likewise.
9670         (gate_cse_sincos): Likewise.
9671         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
9672         the cexpi() canonicalization of sincos().
9673         * tree-pass.h (pass_cse_sincos): Declare.
9674         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
9675
9676 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
9677
9678         PR rtl-optimization/29329
9679         * combine.c (replaced_rhs_insn): Rename to i2mod.
9680         (replaced_rhs_value): Rename to i2mod_new_rhs.
9681         (i2mod_old_rhs): New global variable.
9682         (combine_instructions): Adjust for above change.  Save a copy of
9683         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
9684         note are substituted in the second instruction.
9685         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
9686         ditch the note if it pertains to the second eliminated register
9687         and this register is mentioned in i2mod_old_rhs.
9688
9689         Revert:
9690         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
9691
9692         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
9693         the insn to which the note was originally attached.
9694
9695 2007-01-21  Jan Hubicka  <jh@suse.cz>
9696
9697         * ipa-inline.c (inlining_mode): Comment, move up.
9698         (cgraph_decide_inlining_incrementally): Do not perform inlining
9699         itself; fix handling of flattening of self recursive functions.
9700         (cgraph_find_cycles): Remove.
9701         (cgraph_flatten_node): Remove.
9702         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
9703         (try_inline): New function.
9704         (cgraph_early_inlining): Update call of
9705         cgraph_decide_inlining_incrementally.  Apply inlining here.
9706         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
9707
9708 2007-01-21  Dirk Mueller  <dmueller@suse.de>
9709
9710         PR bootstrap/30511
9711         * tree-vrp.c (check_array_bounds): do not warn
9712         about ADDR_EXPR's of ARRAY_REF's which are immediately
9713         used in binary expressions.
9714
9715 2007-01-21  Ira Rosen  <irar@il.ibm.com>
9716
9717         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
9718         read_write_dep and macros for its access.
9719         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
9720         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
9721         argument, call vect_check_interleaving for every independent pair of
9722         data-refs. Mark loads that access the same memory location as a store
9723         in the loop.
9724         (vect_check_dependences): Remove.
9725         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
9726         call, fix the call to vect_analyze_data_ref_dependence.
9727         (vect_analyze_data_ref_access): For statements that access the same
9728         data-ref, check that they are not stores; for loads, check that there
9729         is no store that access the same location.
9730
9731 2007-01-20  Roger Sayle  <roger@eyesopen.com>
9732             Joseph Myers  <joseph@codesourcery.com>
9733
9734         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
9735         (-fdump-rtl-stack): Likewise.
9736         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
9737         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
9738         (-mpt-fixed): Use @minus{} for minus sign.
9739         (Using Precompiled Headers): Fix under/overfull hbox.
9740
9741 2007-01-20  Jan Hubicka  <jh@suse.cz>
9742
9743         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
9744         place within annotation.
9745
9746 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9747
9748         * pa.c (output_move_double): Change array size of xoperands to 4.
9749
9750 2007-01-20  Jan Hubicka  <jh@suse.cz>
9751
9752         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
9753         as temporary.
9754
9755 2007-01-19  Ian Lance Taylor  <iant@google.com>
9756
9757         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
9758         constant to unsigned HOST_WIDE_INT before negating.
9759
9760 2007-01-19  Ian Lance Taylor  <iant@google.com>
9761
9762         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
9763         to unsigned.
9764         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
9765         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
9766         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
9767         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
9768         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
9769         (realloc_vdef, realloc_vuse): Change second parameter to
9770         unsigned.
9771         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
9772         fields to unsigned.
9773         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
9774         unsigned. Change x and lim locals to unsigned.
9775         (realloc_vdef, realloc_vuse): Change num_elem parameter to
9776         unsigned.
9777         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
9778         (copy_virtual_operands): Change i and n locals to unsigned.
9779
9780 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9781
9782         PR middle-end/29335
9783         * builtins.c (fold_builtin_1): Handle builtin fdim.
9784
9785 2007-01-20  Jan Hubicka  <jh@suse.cz>
9786
9787         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
9788         * tree-ssa-structalias.c (compute_points_to_sets): Do call
9789         init_alias_heapvars.
9790         (init_alias_heapvars): Initialize only when not already initialized.
9791         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
9792
9793 2007-01-19  Roger Sayle  <roger@eyesopen.com>
9794
9795         * common.opt (fsigned-zeros): New command line option.
9796         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
9797         of flag_unsafe_math_optimizations.
9798         * opts.c (set_fast_math_flags): The -ffast-math command line option
9799         implies -fno-signed-zeros.
9800         (fast_math_flags_set_p): Likewise.
9801
9802         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
9803         the documentation of -ffast-math appropriately.  Wrap long lines.
9804
9805 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
9806
9807         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
9808         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
9809
9810 2007-01-19  Tomas Bily  <tbily@suse.cz>
9811
9812         * cgraphunit.c (cgraph_finalize_function): Updating of pid
9813         * tree-profile.c:
9814         (tree_init_ic_make_global_vars): New function
9815         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
9816         (tree_gen_ic_profiler): New function
9817         (tree_gen_ic_func_profiler): New function
9818         (tree_profiling): Added calling of tree_gen_ic_func_profiler
9819         (tree_profile_hooks): Added hook for indirec/virtual calls
9820         * value-prof.c (tree_find_values_to_profile): New case for
9821         indirect calls
9822         (tree_values_to_profile): Call for determining indirect/virtual
9823         counters
9824         (tree_indirect_call_to_profile): New function
9825         (tree_ic_transform): New function
9826         (tree_ic): New function
9827         (find_func_by_pid): New function
9828         (init_pid_map): New function
9829         (tree_value_profile_transformations): Added check for
9830         indirect/virtual call transformation
9831         * value-prof.h (enum hist_type): New counter type for
9832         indirect/virtual calls
9833         (profile_hooks): Added new hook for profiling indirect/virtual
9834         calls
9835         * profile.c (instrument_values): New case for indirect/virtual
9836         call added
9837         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
9838         (GCOV_COUNTER_V_INDIR): New counter type
9839         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
9840         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
9841         call added
9842         * cgraph.c: Definition of cgraph_max_pid
9843         (cgraph_create_node): Default init of pid attribute
9844         * cgraph.h: Declaration of cgraph_max_pid
9845         (struct cgraph_node): Added pid attribute
9846         * libgcov.c (__gcov_indirect_call_profiler): New function
9847         (__gcov_one_value_profiler_body): New function
9848         (__gcov_one_value_profiler): Body was moved to
9849         __gcov_one_value_profiler_body and calls it
9850
9851 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
9852
9853         * doc/gty.texi (Options): Document the mark_hook option to GTY.
9854         * gengtype.c (write_types_data, write_func_for_structure,
9855         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
9856         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
9857         (walk_type, write_func_for_structure): Generate the mark_hook if
9858         needed.
9859
9860 2007-01-19  Jan Hubicka  <jh@suse.cz>
9861
9862         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
9863         'early' argument take inlining mode argument specifying whether to
9864         inline for size/speeed or all functions; add support for flattening;
9865         improve dumpting.
9866         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
9867
9868 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9869
9870         PR c++/17947
9871         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
9872         the name of the declared identifier.
9873
9874 2007-01-19  Dirk Mueller  <dmueller@suse.de>
9875
9876         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
9877         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
9878         duplicate evaluation.
9879
9880 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
9881
9882         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
9883         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
9884         to XFMode, use acosxf2 and truncate result to requested mode.
9885         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
9886         (asin<mode>2): Similarly, with asin expanders.
9887         (*fscalexf4_i387): Rename from *fscalexf4.
9888         (expNcorexf3): New expander.
9889         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
9890         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
9891         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
9892         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
9893         patterns for SSE math.
9894         (exp10<mode>2): Similarly, with exp10 expanders.
9895         (exp2<mode>2): Similarly, with exp2 expanders.
9896         (expm1<mode>2): Similarly, with expm1 expanders.
9897         (ldexp<mode>3): Similarly, with ldexp expanders.
9898         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
9899         Use gen_truncxf<mode>2_i387_noop to truncate result.
9900
9901 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9902
9903         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
9904         for ColdFire targets.
9905
9906 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
9907             Richard Sandiford  <richard@codesourcery.com>
9908
9909         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
9910         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
9911         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
9912         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
9913         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
9914         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
9915
9916 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9917
9918         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
9919         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
9920         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
9921         (*adddi_dilshr32_cf): New pattern.
9922         (adddi3, subdi3): Remove first alternatives.
9923
9924 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9925
9926         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
9927         implemented using move.l, do not use its cc result for floating-point
9928         comparisons.
9929
9930 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9931
9932         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
9933         from accepting 's' constraints if flag_pic.
9934
9935 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9936
9937         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
9938         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
9939         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
9940         condition from TARGET_68881 to TARGET_HARD_FLOAT.
9941
9942 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
9943
9944         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
9945         ColdFire alternatives.
9946         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
9947         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
9948         architectures that support ff1 instruction.
9949
9950 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9951             Julian Brown  <julian@codesourcery.com>
9952
9953         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
9954         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
9955         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
9956         Add commentary.
9957
9958 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9959
9960         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
9961         and return a bool.
9962         (output_move_const_into_data_reg, output_move_simode_const): Delete.
9963         * config/m68k/m68k.c (const_method, const_int_cost): Take a
9964         HOST_WIDE_INT instead of an rtx.
9965         (m68k_rtx_costs): Update call accordingly.
9966         (output_move_const_into_data_reg): Likewise.  Fix formatting.
9967         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
9968         Return a bool.
9969         (output_move_simode_const): Update calls after above changes.
9970         Rework to use automatic variables and predicates like MEM_P.
9971         * config/m68k/m68k.md (pushexthisi_const): Update call to
9972         valid_mov3q_const.
9973
9974 2007-01-19  Dirk Mueller  <dmueller@suse.de>
9975
9976         * tree-ssa-alias.c (perform_var_substitution): Fix typo
9977         in dump_flags test.
9978
9979 2007-01-19  Richard Guenther  <rguenther@suse.de>
9980
9981         * builtins.c (expand_builtin_cexpi): Fall back to expanding
9982         via cexp in case sincos is not available.
9983
9984 2007-01-19  Richard Guenther  <rguenther@suse.de>
9985
9986         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
9987         * defaults.h (TARGET_HAS_SINCOS): Default to off.
9988         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
9989         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
9990         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
9991         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
9992         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
9993         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
9994
9995 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
9996
9997         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
9998         New insn patterns.
9999         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
10000         (atan2xf3): Directly generate RTL pattern.
10001         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
10002         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10003         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10004         disable patterns for SSE math.
10005         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
10006         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10007         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10008         disable patterns for SSE math.
10009
10010 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
10011
10012         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
10013
10014 2007-01-18  Roger Sayle  <roger@eyesopen.com>
10015
10016         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
10017         VIEW_CONVERT_EXPR to the same type as it's operand.
10018
10019 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
10020
10021         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
10022         configured for long double 128.
10023
10024 2007-01-18  Mike Stump  <mrs@apple.com>
10025
10026         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
10027         error.
10028
10029 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
10030
10031         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
10032         type correct.
10033
10034 2007-01-18  Jan Hubicka  <jh@suse.cz>
10035
10036         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
10037         greater than NUM_VOP_FREE_BUCKETS.
10038
10039 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
10040
10041         * tree-ssa-structalias.c: Update comments.
10042         (ptabitmap_obstack): Removed.
10043         (pta_obstack): New.
10044         (oldpta_obstack): Ditto.
10045         (stats): Add a few members.
10046         (struct variable_info): Remove node, complex, address_taken, and
10047         indirect_target members. Add oldsolution member.
10048         (new_var_info): Do not initialize removed members.
10049         (constraint_expr_type): Remove INCLUDES.
10050         (constraint_graph): Add size, implicit_preds, rep,
10051         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
10052         (FIRST_REF_NODE): New macro.
10053         (LAST_REF_NODE): Ditto.
10054         (FIRST_ADDR_NODE): Ditto.
10055         (find): New function.
10056         (unite): Ditto.
10057         (dump_constraint): Do not handle INCLUDES.
10058         (insert_into_complex): Do not insert duplicate constraints.
10059         (condense_varmap_nodes): Renamed and rewritten into ...
10060         (merge_node_constraints): This. Also fix bug in handling of
10061         offseted copy constraints.
10062         (clear_edges_for_node): No longer need to deal with preds at all,
10063         or removing associated preds/succs.
10064         (merge_graph_nodes): Deal with indirect_cycles.
10065         Don't deal with predecessors.
10066         (add_implicit_graph_edge): New function.
10067         (add_pred_graph_edge): Ditto.
10068         (add_graph_edge): Don't deal with predecessors.
10069         (build_constraint_graph): Removed.
10070         (build_pred_graph): New function.
10071         (build_succ_graph): Ditto.
10072         (struct scc_info): Removed in_component. Added roots, dfs, and
10073         node_mapping. Remove visited_index, unification_queue.
10074         (scc_visit): Deal with union-find we do now.
10075         Deal with cycles with REF nodes.
10076         (collapse_nodes): Renamed and rewritten to ...
10077         (unify_nodes): This.
10078         (process_unification_queue): Removed.
10079         (topo_visit): Cleanup
10080         (do_da_constraint): Use find.
10081         (do_sd_constraint): Ditto.
10082         (do_ds_constraint): Ditto.
10083         (do_complex_constraint): Ditto.
10084         (init_scc_info): Update for removed and added members.
10085         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
10086         (find_indirect_cycles): This.
10087         (equivalence_class): New variable.
10088         (label_visit): New function.
10089         (perform_variable_substitution): Rewritten.
10090         (free_var_substitution_info): New function.
10091         (find_equivalent_node): Ditto.
10092         (move_complex_constraints): Ditto.
10093         (eliminate_indirect_cycles): Ditto.
10094         (solve_graph): Only propagate changed bits.
10095         Use indirect cycle elimination.
10096         Use find.
10097         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
10098         (tree_id_eq): Renamed to ...
10099         (tree_vi_eq): This. Update for member change
10100         (insert_id_for_tree): Renamed and rewritten to ...
10101         (insert_vi_for_tree): This.
10102         (lookup_id_for_tree): Renamed and rewritten to ...
10103         (lookup_vi_for_tree): This.
10104         (get_id_for_tree): Renamed and rewritten to ...
10105         (get_vi_for_tree): Ditto.
10106         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
10107         (process_constraint): Don't handle INCLUDES.
10108         Remove special ADDRESSOF case.
10109         (find_func_aliases): Rewrite to use vi functions instead of id
10110         ones.
10111         (create_function_info_for): Ditto.
10112         (create_variable_info_for): Ditto.
10113         (intra_create_variable_infos): Ditto.
10114         (merge_smts_into): Ditto.
10115         (find_what_p_points_to): Ditto.
10116         (init_base_vars): Ditto.
10117         (init_alias_vars): Ditto.
10118         (remove_preds_and_fake_succs): New function.
10119         (dump_sa_points_to_info): Dump new stats.
10120         (dump_solution_for_var): Use find.
10121         (set_used_smts): Fix formatting.
10122         (compute_points_to_sets): Updated for new functions.
10123         (ipa_pta_execute): Ditto.
10124
10125 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10126             Richard Sandiford  <richard@codesourcery.com>
10127
10128         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
10129         parallels.
10130         * calls.c (expand_call): If the return value is a PARALLEL,
10131         extract its first member.
10132         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
10133         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10134         use FUNCTION_EXTRA_EPILOGUE.
10135         (m68k_function_value): Return a PARALLEL if the return value
10136         is of a pointer type.
10137         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
10138         (FUNCTION_EXTRA_EPILOGUE): Remove.
10139         * config/m68k/m68k.md (D0_REG): New constant.
10140
10141 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10142
10143         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10144         output a NOP for empty epilogues.
10145
10146 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10147
10148         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
10149         before function.  Extend register save check to include all
10150         registers, not just integer ones.
10151
10152 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10153
10154         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
10155         (m68k_use_return_insn): ...this.
10156         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
10157         * config/m68k/m68k.c (use_return_insn): Rename to...
10158         (m68k_use_return_insn): ...this.
10159         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
10160         of USE_RETURN_INSN.
10161
10162 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10163
10164         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
10165         nearest even, fix denormal rounding overflow.
10166
10167 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10168
10169         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
10170         f%$smove and f%$move.
10171         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
10172         (extendsfdf2_cf): Use fdmove instead of f%&move.
10173         (truncdfsf2_cf): Use fsmove instead of f%$smove.
10174         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
10175
10176 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10177
10178         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
10179         GPR<-GPR moves.
10180
10181 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10182
10183         * real.h (real_format): Add a canonical_nan_lsbs_set field.
10184         (coldfire_single_format): Declare.
10185         (coldfire_double_format): Likewise.
10186         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
10187         of qnan_msb_set to determine the lower bits of a canonical
10188         NaN significand.
10189         (encode_ieee_double): Likewise.
10190         (encode_ieee_quad): Likewise.
10191         (ieee_single_format): Initialize canonical_nan_lsbs_set.
10192         (mips_single_format): Likewise.
10193         (ieee_double_format): Likewise.
10194         (mips_double_format): Likewise.
10195         (ieee_extended_motorola_format): Likewise.
10196         (ieee_extended_intel_96_format): Likewise.
10197         (ieee_extended_intel_128_format): Likewise.
10198         (ieee_extended_intel_96_round_53_format): Likewise.
10199         (ibm_extended_format): Likewise.
10200         (mips_extended_format): Likewise.
10201         (ieee_quad_format): Likewise.
10202         (mips_quad_format): Likewise.
10203         (vax_f_format): Likewise.
10204         (vax_d_format): Likewise.
10205         (vax_g_format): Likewise.
10206         (i370_single_format): Likewise.
10207         (i370_double_format): Likewise.
10208         (decimal_single_format): Likewise.
10209         (decimal_double_format): Likewise.
10210         (decimal_quad_format): Likewise.
10211         (c4x_single_format): Likewise.
10212         (c4x_extended_format): Likewise.
10213         (real_internal_format): Likewise.
10214         (coldfire_single_format): New real_format.
10215         (coldfire_double_format): Likewise.
10216         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
10217         canonical_nan_lsbs_set.
10218         (pdp11_d_format): Likewise.
10219         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
10220         if TARGET_COLDFIRE_CPU.
10221
10222 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10223
10224         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
10225         (output_call, m68k_legitimize_call_address): Declare.
10226         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
10227         parenthesees.  Add support for a 'W' constraint.
10228         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
10229         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
10230         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
10231         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
10232         variables.
10233         (override_options): Initialize them.  Do not set flag_no_function_cse
10234         for TARGET_ID_SHARED_LIBRARY.
10235         (m68k_output_pic_call): Delete.
10236         (m68k_legitimize_call_address): New function.
10237         (print_operand): Remove the %o prefix.  Handle the %p prefix.
10238         (output_call): New function.
10239         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
10240         target address from the GOT if symbolic jumps are not allowed.
10241         * config/m68k/m68k.md (call, general_operand): Do not set
10242         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
10243         Merge separate flag_pic and !flag_pic define_insns into...
10244         (*call, *call_value): ...these new patterns.  Match the address
10245         rather than the containing MEM and require it to be a call_operand.
10246         Use output_call to generate the asm template.
10247         * config/m68k/predicates.md (const_call_operand): New predicate.
10248         (call_operand): Likewise.
10249
10250 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10251
10252         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
10253         (STACK_GROWS_DOWNWARD): Define to 1.
10254         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
10255         comments, emphasizing that these values are only defaults.
10256         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
10257         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
10258
10259 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10260
10261         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
10262
10263 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10264             Richard Sandiford  <richard@codesourcery.com>
10265
10266         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
10267         (FP_REGNO_P): New macros.
10268         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
10269         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
10270         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
10271         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
10272
10273 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10274
10275         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10276         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
10277         to $tmake_file.
10278         * config/m68k/t-floatlib: New file, extracting common code from...
10279         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
10280         * config/m68k/t-uclinux: Here.
10281         * config/m68k/fpgnulib.c: Do not compile extendeed precision
10282         routines on ColdFire targets.
10283
10284 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10285
10286         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10287         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
10288         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
10289         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
10290         explicitly set MOTOROLA to 1.
10291         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
10292
10293 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10294             Nathan Sidwell  <nathan@codesourcery.com>
10295
10296         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
10297         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
10298         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
10299         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
10300         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
10301         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
10302         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
10303         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
10304         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
10305         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10306         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
10307         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
10308         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
10309         (DBX_REGISTER_NUMBER): Delete.
10310         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
10311         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10312         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
10313
10314 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10315
10316         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
10317         * config/flat.h: New file.
10318         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
10319         OBJECT_FORMAT_FLAT.
10320         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
10321         indirect references for -msep-data or -mid-shared-library.
10322         Do not use PC-relative code addresses either.
10323         * config/m68k/m68k.c (override_options): Restrict -fPIC error
10324         to -mpcrel.
10325         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
10326         for shared libraries and crt1.o for executables.  Use crti.o and
10327         crtbegin.o.
10328         (ENDFILE_SPEC): Use crtend.o and crtn.o.
10329         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
10330         Do not add -elf2flt or -shared-lib-id options here.
10331         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
10332         Pass -shared-lib-id if -mid-shared-library, taking the library
10333         identifier from -mshared-library-id if given, otherwise
10334         defaulting to 0.
10335         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
10336         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
10337         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
10338         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
10339         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
10340         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
10341         and crtend.o.
10342         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
10343         jump sequence for ISA A and ISA A+.
10344         (PICJUMP): Likewise.
10345
10346 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10347
10348         * config.gcc (m68k-*-uclinux*): Base the port on the common
10349         and m68k GNU/Linux files rather than on the generic ELF ones.
10350         * config/m68k/uclinux.h (TARGET_VERSION): Override.
10351         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
10352
10353 2007-01-18  Julian Brown  <julian@codesourcery.com>
10354             Richard Sandiford  <richard@codesourcery.com>
10355
10356         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
10357         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10358         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
10359         before redefining.
10360         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
10361         80 unconditionally.
10362         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10363
10364 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10365
10366         * doc/install.texi: Document m68k-uclinuxoldabi.
10367         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
10368         * config/m68k/uclinux-oldabi.h: New file, copied from
10369         config/m68k/uclinux.h.
10370
10371 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
10372
10373         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
10374         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
10375         (m32r_compute_frame_size): Use unsigned for regno.
10376         (m32r_reload_lr): Use gen_frame_mem.
10377         (pop): New.
10378         (m32r_output_function_epilogue): Don't output the function epilogue
10379         textually here.
10380         (m32r_expand_epilogue): New.
10381         (direct_return): Return false if the function has the interrupt
10382         attribute.
10383         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
10384         * config/m32r/m32r.md (epilogue): New expander.
10385         (return_lr, return_rte): New insns.
10386         (return): Make it expander.
10387         (return_normal): New expander.
10388
10389 2007-01-18  Josh Conner  <jconner@apple.com>
10390
10391         PR target/30485
10392         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
10393         support for UNLE, UNLT, UNGE, and UNGT.
10394
10395 2007-01-18  Jan Hubicka  <jh@suse.cz>
10396
10397         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
10398         * tree-tailcall (add_virtual_phis): Likewise.
10399         (optimize_tail_call): Return TODOs.
10400         (execute_tail_calls): Return TODOs.
10401         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
10402         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
10403         changed.
10404         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
10405         Cleanup cfg using TODO.
10406         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
10407         * passes.c (execute_function_todo): When cleanup did something, remove
10408         unused locals.
10409         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
10410         (make_edges): Don't cleanup_cfg.
10411
10412 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
10413
10414         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
10415         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
10416         operate on the top of stack.
10417         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
10418         register handling of instructions that output to the second
10419         stack slot.
10420         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
10421         (move_for_stack_reg): Special-case check for dead destination
10422         stack slot for constant load of 1.0 inside UNSPEC_TAN.
10423
10424         * config/i386/i386.md (UNSPEC_TAN): New constant.
10425         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
10426         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
10427         to correctly model move of constant 1.0 to top stack slot.
10428         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
10429         (unnamed peephole2 pattern): Remove corresponding peephole2
10430         pattern that optimizes tan insn and loading of constant 1.0.
10431         (tanxf2): Use fptanxf4_i387.
10432         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
10433         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
10434         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10435         disable patterns for SSE math.
10436         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
10437         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
10438
10439 2007-01-18  Dirk Mueller  <dmueller@suse.de>
10440             Richard Guenther <rguenther@suse.de>
10441
10442         PR diagnostic/8268
10443         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
10444         * common.opt (Warray-bounds): Add new warning option.
10445         * c-opts.c (c_common_handle_option): Define -Warray-bounds
10446         if -Wall is given.
10447         * Makefile.in: make tree-vrp.o depend on toplev.h
10448         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
10449         is enabled.
10450         (check_array_refs, check_array_bounds, check_array_ref): New.
10451
10452 2007-01-18  Jan Hubicka  <jh@suse.cz>
10453
10454         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
10455         (execute_ssa_ccp): Return flags conditionally.
10456         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
10457         changed.
10458         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
10459
10460 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
10461
10462         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
10463         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
10464
10465         * Makefile.c (GTFILES): Add cfglayout.h.
10466         * gengtype.c (open_base_files): Likewise.
10467         * cfglayout.c (cfg_layout_function_footer,
10468         cfg_layout_function_header) Reindent to make gengtype happy.
10469         * cfglayout.h (cfg_layout_function_footer,
10470         cfg_layout_function_header): Add GTY(()) marker.
10471
10472         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
10473
10474 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10475
10476         * genautomata.c (write_automata): Include xstrerror output in the
10477         error message if writing the DFA description file fails.
10478
10479 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
10480
10481         * config/mips/mips-protos.h (mips_output_external): Make it
10482         return void.
10483         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
10484         * config/mips/mips.c (irix_output_external_libcall): Likewise.
10485         (extern_list): Likewise.
10486         (extern_head): Likewise.
10487         (TARGET_ASM_FILE_END): Likewise.
10488         (mips_file_end): Likewise.
10489         (mips_output_external): Rewritten.
10490
10491 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10492
10493         * genpreds.c (write_insn_preds_c): Only write out the function
10494         body for regclass_for_constraint if we have register constraints.
10495
10496 2007-01-17  Tom Tromey  <tromey@redhat.com>
10497
10498         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
10499         * doc/install.texi (Testing): Use sourceware.org.
10500         (Binaries): Likewise.
10501         (Specific): Likewise.
10502         * doc/contrib.texi (Contributors): Use sourceware.org.
10503
10504 2007-01-17  Anatoly Sokolov <aesok@post.ru>
10505
10506         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
10507         (AVR_ENHANCED): Rename to ...
10508         (AVR_HAVE_MUL): ... new.
10509         (avr_enhanced_p): Rename to ...
10510         (avr_have_mul_p): ... new.
10511         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
10512         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
10513         * config/avr/avr.c (avr_enhanced_p): Rename to ...
10514         (avr_have_mul_p): ... new.
10515         (base_arch_s): Rename 'enhanced' to 'have_mul'.
10516         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
10517         'avr_enhanced_p' and 'enhanced'.
10518         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
10519         AVR_HAVE_MUL instead of AVR_ENHANCED.
10520         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10521         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
10522         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
10523         instead of AVR_ENHANCED.
10524         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10525         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
10526         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
10527
10528 2007-01-17  Ian Lance Taylor  <iant@google.com>
10529
10530         * vec.h (VEC_reserve_exact): Define.
10531         (vec_gc_p_reserve_exact): Declare.
10532         (vec_gc_o_reserve_exact): Declare.
10533         (vec_heap_p_reserve_exact): Declare.
10534         (vec_heap_o_reserve_exact): Declare.
10535         (VEC_OP (T,A,reserve_exact)): New static inline function, three
10536         versions.
10537         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
10538         negative parameter.
10539         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
10540         (VEC_OP (T,A,copy)) [all versions]: Likewise.
10541         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
10542         * vec.c (calculate_allocation): Add exact parameter.  Change all
10543         callers.
10544         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
10545         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
10546         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
10547         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
10548         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
10549         (vec_heap_p_reserve_exact): New function.
10550         (vec_heap_o_reserve_exact): New function.
10551
10552 2007-01-17  Jan Hubicka  <jh@suse.cz>
10553
10554         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
10555
10556 2007-01-17  Eric Christopher  <echristo@apple.com>
10557
10558         * config.gcc: Support core2 processor.
10559
10560 2007-01-16  Jan Hubicka  <jh@suse.cz>
10561
10562         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
10563         the names, just unlink the chain so we don't crash on dangling pointers
10564         to dead SSA names.
10565
10566 2007-01-16  Jan Hubicka  <jh@suse.cz>
10567
10568         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
10569         * tree-pass.h: Reorder to make IPA passes appear toegher.
10570         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
10571         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
10572         parameters, do not call early inliner.
10573         * ipa-inline.c: Update comments.  Include tree-flow.h
10574         (cgraph_decide_inlining): Do not compute inlining parameters.
10575         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
10576         be called with function context set up.
10577         (pass_ipa_inline): Remove unreachable functions before pass.
10578         (cgraph_early_inlining): Simplify assuming to be called from the
10579         PM as local pass.
10580         (pass_early_inline): New pass.
10581         (cgraph_gate_ipa_early_inlining): New gate.
10582         (pass_ipa_early_inline): Turn into simple wrapper.
10583         (compute_inline_parameters): New function.
10584         (gate_inline_passes): New gate.
10585         (pass_inline_parameters): New pass.
10586         (apply_inline): Move here from tree-optimize.c
10587         (pass_apply_inline): New pass.
10588         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
10589         transforming.
10590         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
10591         doing them by hand.
10592         (tree_function_versioning): Do not allocate dummy struct function.
10593         * tree-inline.h (optimize_inline_calls): Update prototype.
10594         * tree-optimize.c (execute_fixup_cfg): Export.
10595         (pass_fixup_cfg): Remove
10596         (tree_rest_of_compilation): Do not apply inlines.
10597         * tree-flow.h (execute_fixup_cfg): Declare.
10598         * Makefile.in (gt-passes.c): New.
10599         * passes.c: Include gt-passes.h
10600         (init_optimization_passes): New passes.
10601         (nnodes, order): New static vars.
10602         (do_per_function_toporder): New function.
10603         (execute_one_pass): Dump current pass here.
10604         (execute_ipa_pass_list): Don't dump current pass here.
10605
10606 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
10607
10608         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
10609         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
10610
10611 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
10612
10613         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
10614         (strong_alias): Define.
10615         (__gcc_qmul): Provide non-FMA for soft-float.
10616         (__gcc_qdiv): Same.
10617         (__gcc_qneg): New.
10618         (__gcc_qeq): New.
10619         (__gcc_qle): New.
10620         (__gcc_qge): New.
10621         (__gcc_qunord): New.
10622         (__gcc_stoq): New.
10623         (__gcc_dtoq): New.
10624         (__gcc_qtos): New.
10625         (__gcc_qtod): New.
10626         (__gcc_qtoi): New.
10627         (__gcc_qtou): New.
10628         (__gcc_itoq): New.
10629         (__gcc_utoq): New.
10630         (fmsub): New.
10631         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
10632         soft-float functions.
10633         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
10634         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
10635         about long double soft float.
10636
10637 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
10638             Tehila Meyzels  <tehila@il.ibm.com>
10639
10640         * tree-vectorizer.h (is_pattern_stmt_p): New.
10641         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
10642         formatting (tabs instead of spaces). Cleanup and clarify setting
10643         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
10644         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
10645         (vectorizable_type_demotion): Check that types are integral.
10646         (vectorizable_type_promotion): Likewise.
10647         (vectorizable_store): Fix typo.  Eliminate new-line at end of
10648         comments.
10649
10650 2007-01-16  Jan Hubicka  <jh@suse.cz>
10651
10652         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
10653         cgraph edges too.
10654
10655 2007-01-15  Eric Christopher  <echristo@apple.com>
10656
10657         * ifcvt.c: Include vec.h, vecprim.h.
10658         (check_cond_move_block): New argument regs.
10659         Reorganize. Add registers used to regs.
10660         (cond_move_process_if_block): Use regs set above as
10661         loop bounds.
10662
10663 2007-01-15  Eric Christopher  <echristo@apple.com>
10664
10665         * config/darwin.h: Update copyright.
10666         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
10667         (LINK_COMMAND_SPEC): Add -u.
10668         (LINK_SPEC): Fix umbrella for above.
10669
10670 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
10671
10672         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
10673         glibc CVS.
10674
10675 2007-01-15  Tom Tromey  <tromey@redhat.com>
10676
10677         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
10678         * doc/install.texi (Testing): Don't mention jacks.
10679         (Configuration): Document --enable-java-maintainer-mode.  Move
10680         --with-java-home to libgcj-specific section.  Document
10681         --with-ecj-jar.
10682         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
10683
10684 2007-01-15  Jan Hubicka  <jh@suse.cz>
10685
10686         * tree-ssa-dce.c (DCE_TODOs): New.
10687         (propagate_necessity): Return if something changed.
10688         (eliminate_unnecessary_stmts): Likewise.
10689         (perform_tree_ssa_dce): Return TODO flags when needed.
10690         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
10691
10692 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
10693
10694         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
10695         (fyl2x_extend<mode>xf3_i387): New insn pattern.
10696         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
10697         patterns using X87MODEF12 mode macro.  Extend operand 1
10698         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10699         (log10<mode>2): Ditto.
10700         (log2<mode>2): Ditto.
10701         (log1p<mode>2): Ditto.
10702         (logb<mode>2): Ditto.
10703         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
10704         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
10705         (*fxtractxf3_i387): Rename from *fxtractxf3.
10706         (fxtract_extend<mode>xf3_i387): New insn pattern.
10707         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
10708         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
10709         and gen_fyl2xxf3_i387().
10710
10711 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
10712
10713         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
10714         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
10715         get_loop_exit_edges.  Changed return type to bool.
10716         * cfgloop.h (fix_loop_placement): Declaration removed.
10717
10718 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
10719
10720         * param.h (MIN_VECT_LOOP_BOUND): New.
10721         * params.def (MIN_VECT_LOOP_BOUND): New.
10722         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
10723         argument - minimum threshold for number of iterations.
10724         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
10725         argument to declaration.
10726         * tree-vect-analyze.c (vect_analyze_operations): Check value of
10727         MIN_VECT_LOOP_BOUND.
10728         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
10729         slpeel_tree_peel_loop_to_edge with additional argument.
10730         (vect_do_peeling_for_alignment): Likewise.
10731         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
10732
10733 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
10734
10735         PR target/30413
10736         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
10737         operands of size 1.
10738
10739 2007-01-14  Jan Hubicka  <jh@suse.cz>
10740
10741         * tree-dfa.c (remove_referenced_var): New function.
10742         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
10743         prune referenced vars list too.
10744         * tree-flow.h (remove_referenced_var): Declare.
10745
10746 2007-01-14  Jan Hubicka  <jh@suse.cz>
10747
10748         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
10749         separately.
10750         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
10751         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
10752         * except.h (verify_eh_throw_table_statements): Kill prototype.
10753         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
10754         into call exrepssions.
10755         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
10756         eh trhow verifier.
10757         * tree-cfg.c: Include pointer-set.h.
10758         (verify_node_sharing): Work on pointer set.
10759         (verify_eh_throw_stmt_node): New.
10760         (verify_stmts): Use pointers sets, verify throw_stmt.
10761
10762 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
10763
10764         * ipa-reference.c (analyze_function): Consider also addresses taken
10765         in phi nodes.
10766
10767 2007-01-12  Roger Sayle  <roger@eyesopen.com>
10768
10769         * c-typeck.c (null_pointer_constant_p): Replace use of
10770         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10771         (build_c_cast): Likewise.
10772
10773 2007-01-12  Roger Sayle  <roger@eyesopen.com>
10774
10775         * tree.h (force_fit_type_double): Remove unused final argument.
10776         * c-common.c (constant_expression_warning): Replace use of
10777         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10778         (convert_and_check): Likewise.
10779         (shorten_compare): Update call to force_fit_type_double.
10780         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
10781         * convert.c (convert_to_pointer): Update call to
10782         force_fit_type_double.
10783         * fold-const.c (force_fit_type_double): Remove overflowed_const
10784         argument.
10785         (int_const_binop, fold_convert_const_int_from_int,
10786         fold_convert_const_int_from_real, fold_div_compare,
10787         fold_sign_changed_comparison, fold_unary, fold_negate_const,
10788         fold_abs_const, fold_not_const): Remove the final argument from
10789         calls to force_fit_type_double.
10790
10791 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10792
10793         * configure.ac: Set insn to "nop" for spu-*-* also.
10794         * configure: Regenerate.
10795
10796 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
10797
10798         * builtins.def : Add BUILT_IN_FREE.
10799
10800 2007-01-12  Jan Hubicka  <jh@suse.cz>
10801
10802         PR tree-optimization/30443
10803         * tree-inline.c (tree_function_versioning): Do not optimize when
10804         cloning for inlining.
10805
10806 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
10807
10808         * doc/loop.texi: Document recording of loop exits.
10809         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
10810         (update_single_exits_after_duplication,
10811         update_single_exit_for_duplicated_loop,
10812         update_single_exit_for_duplicated_loops): Removed.
10813         (duplicate_loop_to_header_edge): Do not call
10814         update_single_exits_after_duplication and
10815         update_single_exit_for_duplicated_loops.
10816         (loop_version): Do not update single_exit information.
10817         (fix_loop_structure): Use record_loop_exits instead of
10818         mark_single_exit_loops.
10819         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
10820         the lists of loop exits.
10821         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
10822         split_edge, merge_blocks): Update the lists of loop exits.
10823         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
10824         loop_optimizer_init.
10825         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
10826         of mark_single_exit_loops.
10827         (loop_optimizer_finalize): Call release_recorded_exits.
10828         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
10829         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
10830         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
10831         update single exit information.
10832         * lambda-code.c (perfect_nestify): Ditto.
10833         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
10834         (mark_single_exit_loops): Removed.
10835         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
10836         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
10837         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
10838         functions.
10839         (get_loop_exit_edges, single_exit): Use recorded exit lists.
10840         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
10841         (verify_loop_structure): Verify consistency of the exit lists.
10842         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
10843         (set_single_exit): Removed.
10844         * cfgloop.h (struct loop_exit): New function.
10845         (struct loop): single_exit_ field replaced by exits field.
10846         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
10847         (struct loops): Added exits hash.
10848         (mark_single_exit_loops, set_single_exit): Declaration removed.
10849         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
10850
10851 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10852
10853         * doc/invoke.texi: Avoid use of @headitem.
10854
10855 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10856
10857         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
10858
10859 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10860
10861         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
10862         list of targets.
10863
10864 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
10865             Richard Sandiford  <richard@codesourcery.com>
10866
10867         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
10868         * config/m68k/m68k.opt: Resort options.
10869         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
10870
10871 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
10872             Richard Sandiford  <richard@codesourcery.com>
10873
10874         * doc/invoke.texi: Document the macros that are defined by
10875         m68k's -mtune and -mhard-float options.
10876         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
10877         (m68k_cpp_cpu_family): Likewise.
10878         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
10879         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
10880         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
10881         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
10882         (m68k_cpp_cpu_family): Likewise.
10883
10884 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10885
10886         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
10887         macros besides mc68000 as tuning macros.  Use a switch statement
10888         to set them and mcpu32.
10889
10890 2007-01-12  Julian Brown  <julian@codesourcery.com>
10891
10892         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
10893         (TARGET_68040_ONLY): Rename to...
10894         (TARGET_68040): ...this.
10895         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
10896         * config/m68k/m68k.md: Likewise.
10897
10898 2007-01-12  Julian Brown  <julian@codesourcery.com>
10899             Nathan Sidwell  <nathan@codesourcery.com>
10900             Richard Sandiford  <richard@codesourcery.com>
10901
10902         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
10903         the -mcpu= argument associated with the --with-cpu setting.
10904         Define M68K_DEFAULT_TUNE to the default -mtune= option,
10905         if different from the one implied by the -mcpu setting.
10906         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
10907         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
10908         * doc/invoke.texi: Mention ColdFire in the introduction to the
10909         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
10910         -mno-div and -mhard-float options.  Make -m68881 a synonym for
10911         -mhard-float.  Document the previously-undocumented -m5206e,
10912         -m528x, -m5307 and -m5407 options.  Tweak the existing option
10913         documentation for consistency.
10914         * doc/install.texi: Mention new --with-cpu arguments.
10915         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
10916         default CPU if neither -mcpu nor -march are specified.
10917         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
10918         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
10919         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
10920         using m68k_tune to decide between families that implement the
10921         same ISA.  Use m68k_tune to set __mcfv4e__.
10922         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
10923         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
10924         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
10925         (FL_ISA_C, FL_ISA_MMU): New macros.
10926         (MASK_COLDFIRE): Delete.
10927         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
10928         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
10929         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
10930         (TARGET_HARD_FLOAT): Do not define here.
10931         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
10932         (TUNE_68000): New macro.
10933         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
10934         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
10935         (TUNE_CFV2): Redefine in terms of m68k_tune.
10936         (uarch_type, target_device, fpu_type): New enums.
10937         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
10938         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
10939         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
10940         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
10941         (FL_FOR_isa_c): New macros.
10942         (m68k_isa): New enum.
10943         (m68k_target_selection): New structure.
10944         (all_devices, all_isas, all_microarchs): New tables.
10945         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
10946         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
10947         (MASK_ALL_CPU_BITS): Delete.
10948         (m68k_find_selection): New function.
10949         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
10950         Map the legacy target options to a combination of the new ones.
10951         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
10952         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
10953         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
10954         settings.
10955         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
10956         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
10957         properties.
10958         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
10959         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
10960         * config/m68k/m68k-devices.def: New file.
10961
10962 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10963             Nathan Sidwell  <nathan@codesourcery.com>
10964
10965         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
10966         (SUBTARGET_EXTRA_SPECS): New macros.
10967         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
10968         use %(asm_cpu_spec) instead.
10969         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
10970         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
10971         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
10972         (EXTRA_SPECS): Rename to...
10973         (SUBTARGET_EXTRA_SPECS): ...this.
10974
10975 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
10976             Richard Sandiford  <richard@codesourcery.com>
10977             Julian Brown  <julian@codesourcery.com>
10978
10979         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10980         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
10981         to the configuration's default CPU.
10982         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
10983         Remove default masks.
10984         (m680[012]0-*-*): Set the default with_cpu to the first part of
10985         the target name.
10986         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
10987         (m68k*-*-linux): Extend the --with-cpu handling to...
10988         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
10989         and m68010.  Don't set target_cpu_default2.
10990         * doc/install.texi: Document --with-cpu for m68k.
10991         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
10992         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
10993         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
10994         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
10995         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
10996         (ASM_SPEC): Remove use of %(asm_cpu_default).
10997         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
10998         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
10999         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
11000         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
11001         __HAVE_FPU__ if TARGET_HARD_FLOAT.
11002         (TARGET_DEFAULT): Delete.
11003         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
11004         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
11005         (CPP_CPU_SPEC): Delete.
11006         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
11007         the appropriate string.
11008         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
11009         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
11010         (ASM_SPEC): Don't use %(asm_default_spec).
11011         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11012         TARGET_DEFAULT and add MASK_68881.
11013         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
11014
11015 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11016
11017         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
11018         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
11019         MASK_68010 alongside MASK_68020.
11020         * doc/invoke.texi: Document -m68010.
11021         * config/m68k/m68k.opt (m68010): New.
11022         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
11023         if TUNE_68010.
11024         (TUNE_68010): New macro.
11025         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
11026         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
11027         (M68K_CPU_m68332): Add MASK_68010.
11028         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
11029         fallback definition.
11030         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
11031         defines.
11032         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
11033         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
11034         to all entries that use MASK_68020.
11035         (output_move_simode_const, output_move_himode, output_move_qimode)
11036         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
11037         instead of TARGET_68020 to select clr behavior.  Remove comment
11038         about there being no TARGET_68010.
11039         * config/m68k/m68k.md: Likewise throughout.
11040
11041 2007-01-12  Julian Brown  <julian@codesourcery.com>
11042
11043         * config/m68k/m68k.h (TARGET_ISAB): New macro.
11044         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
11045         * config/m68k/m68k.md: Likewise.
11046
11047 2007-01-12  Julian Brown  <julian@codesourcery.com>
11048
11049         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
11050         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
11051
11052 2007-01-12  Julian Brown  <julian@codesourcery.com>
11053
11054         * config/m68k/m68k.h (TUNE_68040_60): New macro.
11055         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
11056         * config/m68k/m68k.md: Likewise.
11057
11058 2007-01-12  Julian Brown  <julian@codesourcery.com>
11059             Richard Sandiford  <richard@codesourcery.com>
11060
11061         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
11062         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
11063         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
11064         TARGET_CPU32.
11065         (TARGET_CPU32): Rename to...
11066         (TUNE_CPU32): ...this.
11067         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
11068         (TUNE_CFV2): New macros.
11069         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
11070         remove conditions that are implied by TARGET_68020.
11071         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
11072         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
11073         (m68k_output_function_epilogue): Likewise.
11074         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
11075         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
11076         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
11077         non-68000 timings.  Refactor multiplication and division costs.
11078         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
11079         TUNE_CPU32 instead of TARGET_CPU32.
11080         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
11081         and TUNE_68060 instead of TARGET_68060.
11082         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
11083         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
11084         TARGET_CPU32.
11085         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
11086         && !TARGET_COLDFIRE" to choose between moveq and clr.
11087         Likewise in the unnamed movsf pattern.
11088         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
11089         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
11090         ashiftrt pattern.
11091
11092 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11093
11094         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
11095         of tabbing before backslashes.
11096
11097 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11098
11099         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
11100         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
11101         (ASM_OUTPUT_INTERNAL_LABEL): Define.
11102
11103 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11104
11105         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
11106         find_interesting_uses_cond.
11107         (find_interesting_uses_cond): Use extract_cond_operands.
11108         (rewrite_use_compare): Use extract_cond_operands and
11109         force_gimple_operand_bsi.  Do not call update_stmt.
11110         (determine_use_iv_cost_condition): Use extract_cond_operands.
11111         Return cheaper of using original bound and changing the exit bound.
11112
11113 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11114
11115         PR tree-optimization/29516
11116         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
11117         most_expensive_mult_to_index, addr_to_parts,
11118         create_mem_ref, maybe_fold_tmr): Make the type of
11119         fields of TARGET_MEM_REF sizetype.
11120         (move_fixed_address_to_symbol, move_pointer_to_base):
11121         New functions.
11122         * tree.def (TARGET_MEM_REF): Add comment on types of
11123         the operands.
11124
11125 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
11126
11127         * c-common.c (vector_types_convertible_p): Treat opaque types as
11128         always convertible if they have the same size, but not otherwise.
11129
11130 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
11131
11132         * ifcvt.c (struct noce_if_info): Add comments to the fields.
11133         Remove the b_unconditional field.
11134         (noce_try_sign_mask): Do not look at b_unconditional.
11135         (noce_process_if_block): Do not use merge_if_blocks.  Update
11136         the CFG here.  Do not set b_unconditional.
11137         (cond_move_process_if_block): Likewise.
11138         (find_cond_trap): Likewise.
11139         (check_cond_move_block): Require simple jump insns at the end
11140         of the basic block.
11141
11142 2007-01-11  Jan Hubicka  <jh@suse.cz>
11143
11144         PR tree-optimization/1046
11145         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
11146         when alias info is not ready.
11147         (pass_tail_recursion): Do not require aliasing.
11148         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
11149         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
11150         * tree-ssa-copy.c (pass_copy_prop): Likewise.
11151         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
11152         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
11153         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
11154         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
11155         before inlining.
11156         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
11157         When aliasing is not build, mark statement as volatile.
11158
11159 2007-01-11  Tom Tromey  <tromey@redhat.com>
11160
11161         PR preprocessor/15185, PR preprocessor/20989:
11162         * doc/cppopts.texi <-MT>: Update description of algorithm for
11163         computing default target.
11164         <-M, -MD>: Reword "basename" text.
11165
11166 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11167
11168         * builtins.c (expand_builtin_pow, expand_builtin_powi,
11169         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
11170         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
11171         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
11172         fold_builtin_bswap, real_constp, fold_builtin_pow,
11173         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
11174         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
11175         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11176         * convert.c (convert_to_pointer): Likewise.
11177         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
11178         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
11179         const_binop, fold_convert_const_int_from_int,
11180         fold_convert_const_int_from_real,
11181         fold_convert_const_real_from_real, sign_bit_p,
11182         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
11183         fold_sign_changed_comparison, fold_unary, fold_comparison,
11184         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
11185         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
11186         * print-tree.c (print_node_brief, print_node): Likewise.
11187         * stor-layout.c (place_field, layout_type): Likewise.
11188         * tree-chrec.c (keep_cast): Likewise.
11189         * tree.c (build_vector, build_real, build_real_from_int_cst,
11190         build_complex): Likewise.
11191
11192 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11193
11194         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
11195         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
11196
11197 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
11198
11199         * configure.ac (strict1_warn): Rename to strict_warn.
11200         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
11201         cc_set_by_configure, quoted_cc_set_by_configure,
11202         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
11203         all_boot_languages, all_stagestuff): Remove.
11204         (target_list): Remove bootstrap targets.
11205         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
11206         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
11207         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
11208         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
11209         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
11210         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
11211         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
11212         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
11213         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
11214         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
11215         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
11216         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
11217         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
11218         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
11219         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
11220         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
11221         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
11222         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
11223         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
11224         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
11225         (mostlyclean): Adjust.
11226         (clean, distclean): Don't mention bootstrap stuff.
11227         * configure: Regenerate.
11228         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
11229         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
11230         treelang/config-lang.in (stagestuff): Remove.
11231         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
11232         stageprofile, stagefeedback, stagestuff): Remove mention.
11233
11234 2007-01-11  Nick Clifton  <nickc@redhat.com>
11235
11236         * config/mcore/predicates.md (mcore_general_movesrc_operand):
11237         Accept CONSTs.
11238         (mcore_general_movdst_operand): Do not accept CONST_INTs.
11239         (mcore_arith_K_S_operand): Run the test for the S constraint not
11240         the test for the M constraint.
11241         (mcore_addsub_operand): Do not accept integer values that are
11242         larger than 32 bits.
11243         * config/mcore/mcore.md: Remove unused constraints from split.
11244         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
11245         (addsi3): Likewise.
11246         (allocate_stack): Likewise.
11247         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
11248         operands to 32 bits.
11249         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
11250         INTVAL.
11251         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
11252         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
11253         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
11254         mcore_output_bclri, mcore_output_andn, output_inline_const,
11255         mcore_output_move, mcore_output_movedouble): Likewise.
11256         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
11257         (output_inline_const): Likewise.
11258         (output_inline_const): Fix format strings used in sprintf
11259         statements.
11260         * config/mcore/mcore-protos.h: Update prototypes for changed
11261         functions in mcore.c.
11262         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
11263         HOST_WIDE_INT and not int.
11264         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
11265         CONST_OK_FOR_N): Likewise.
11266         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
11267         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
11268         an INTVAL.
11269
11270 2007-01-10  Jan Hubicka  <jh@suse.cz>
11271
11272         * tree-vrp.c (remove_range_assertions): Release defs.
11273         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
11274         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
11275
11276 2007-01-10  Paul Brook  <paul@codesourcery.com>
11277
11278         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
11279         * config/arm/arm.md (mulsi3subsi): New insn.
11280
11281 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
11282
11283         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
11284         (tree_transform_and_unroll_loop): New.
11285         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
11286         Declare.
11287
11288 2007-01-10  Robert Kennedy <jimbob@google.com>
11289
11290         * fold-const.c (fold_comparison): Fold comparisons like (x *
11291         1000 < 0) to (x < 0).
11292
11293 2007-01-10  Ian Lance Taylor  <iant@google.com>
11294
11295         * tree-pretty-print.c (dump_generic_node): Print parentheses when
11296         operands have the same priority.
11297
11298 2007-01-10  Tom Tromey  <tromey@redhat.com>
11299
11300         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
11301         (fold_binary): Likewise.
11302         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
11303         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
11304         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
11305         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
11306         * langhooks.h (struct lang_hooks): Removed field
11307         'can_use_bit_fields_p'.
11308
11309 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
11310
11311         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
11312
11313 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
11314
11315         * function.c (get_last_funcdef_no): New function.
11316         * function.h (get_last_funcdef_no): Declare.
11317         * tree-inline.c (initialize_cfun): Add initialization.
11318         (tree_function_versioning): Cleanup.
11319
11320 2007-01-10  Jan Hubicka  <jh@suse.cz>
11321
11322         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
11323         PHIs.
11324
11325 2007-01-10  Sa Liu  <saliu@de.ibm.com>
11326             Ben Elliston  <bje@au.ibm.com>
11327
11328         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
11329         for SAVE_NONLOCAL and Pmode for any other save level.
11330         * spu-protos.h (spu_restore_stack_block): Declare.
11331         * spu.md (save_stack_block): Remove.
11332         (restore_stack_block): Call spu_restore_stack_block.
11333         * spu.c (spu_restore_stack_block): New function.
11334         (spu_expand_epilogue): Remove old comment.
11335
11336 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
11337
11338         PR tree-optimization/30322
11339         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
11340         (cand_value_at): Return the value as aff_tree.
11341         (may_eliminate_iv): Convert the bound from aff_tree to tree.
11342         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
11343         aff_combination_mult): New functions.
11344         (aff_combination_add): Use aff_combination_add_cst.
11345         (aff_combination_convert): Allow conversions to a wider type.
11346         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
11347         * tree-affine.h (aff_combination_mult): Declare.
11348
11349 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
11350
11351         * doc/tm.texi: Update documentation to reflect reality of exec
11352         and start file search behaviours. Update copyright year.
11353         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
11354         header file directories.
11355
11356 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
11357
11358         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
11359         (*cosxf2): Rename to cosxf2_i387.
11360         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
11361         using X87MODEF12 mode macro. Rename patterns to
11362         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
11363         for SSE math.
11364         (*cosdf2, *cossf2): Ditto.
11365         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
11366         to match extended input operands.
11367         (sincos<mode>3): New expander.
11368         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
11369         insn patterns and corresponding splitters.
11370
11371 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
11372
11373         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
11374         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
11375
11376 2007-01-09  Nicolas Pitre  <nico@cam.org>
11377
11378         PR target/30173
11379         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
11380
11381 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11382
11383         * target.h (struct gcc_target): New field library_rtti_comdat.
11384         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
11385         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
11386         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
11387         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
11388
11389 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11390
11391         * doc/invoke.texi (Optimize Options): Correct description of -O0.
11392
11393 2007-01-08  Richard Guenther  <rguenther@suse.de>
11394
11395         * tree.h (force_fit_type_double): Export.
11396         (force_fit_type): Remove.
11397         * fold-const.c (force_fit_type_double): New function.
11398         (force_fit_type): Remove.
11399         (int_const_binop): Use it.
11400         (fold_convert_const_int_from_int): Likewise.
11401         (fold_convert_const_int_from_real): Likewise.
11402         (fold_div_compare): Likewise.
11403         (fold_sign_changed_comparison): Likewise.
11404         (fold_unary): Likewise.
11405         (fold_negate_const): Likewise.
11406         (fold_abs_const): Likewise.
11407         (fold_not_const): Likewise.
11408         * c-common.c (shorten_compare): Use force_fit_type_double.
11409         * convert.c (convert_to_pointer): Likewise.
11410
11411 2007-01-08  Richard Guenther  <rguenther@suse.de>
11412
11413         * tree.h (build_int_cst_wide_type): Export.
11414         * tree.c (build_int_cst_wide_type): New function.
11415         (build_int_cst_wide): Fix comment.
11416         * builtins.c (fold_builtin_object_size): Use build_int_cst
11417         to build -1 or 0 of the correct type.  Use fit_double_type
11418         to check for overflow.
11419         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
11420         to build the mask.
11421         (decode_field_reference): Likewise.
11422         (all_ones_mask_p): Likewise.
11423         (native_interpret_int): Use build_int_cst_wide_type.
11424         (fold_binary): Use build_int_cst_type to build an all-ones
11425         value.
11426         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
11427
11428 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
11429
11430         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
11431
11432 2007-01-09  Ben Elliston  <bje@au.ibm.com>
11433
11434         * genautomata.c (STATS_OPTION): New option.
11435         (stats_flag): New flag.
11436         (gen_automata_option): Handle it.
11437         (initiate_automaton_gen): Ditto.
11438         (write_automata): Output statistics only if stats_flag is
11439         set. Likewise, output time statistics only if time_flag is set.
11440         * doc/md.texi (Processor pipeline description): Document new flag.
11441
11442 2007-01-08  Richard Guenther  <rguenther@suse.de>
11443
11444         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
11445         * tree.c (build_int_cst_type): Likewise.
11446         (size_in_bytes): Don't call force_fit_type on the result.
11447         (int_fits_type_p): Use fit_double_type.
11448         * fold-const.c (fit_double_type): New function.
11449         (force_fit_type): Use it.
11450         * tree.h (fit_double_type): Export.
11451
11452 2007-01-08  Jan Hubicka  <jh@suse.cz>
11453
11454         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
11455         * ipa.c (function_and_variable_visibility): Fix return type.
11456
11457 2007-01-08  Richard Guenther  <rguenther@suse.de>
11458
11459         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
11460         of offset to build the index.
11461         * tree-pretty-print.c (dump_generic_node): Don't build negated
11462         const just for printing.
11463         * c-pretty-print.c (pp_c_integer_constant): Likewise.
11464         * builtins.c (fold_builtin_int_roundingfn): Check if result
11465         fits the type by using force_fit_type and comparing the result.
11466         * predict.c (predict_loops): Use compare_tree_int for comparison.
11467         * tree.c (build_int_cst): Fall back to integer_type_node for
11468         NULL_TREE type.
11469         (build_int_cst_wide): Assert type is non-null.
11470
11471 2007-01-08  Roberto Costa  <roberto.costa@st.com>
11472
11473         * tree-vrp.c (extract_range_from_cond_expr): New.
11474         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
11475         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
11476         as expressions.
11477         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
11478         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
11479         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
11480         used as expressions.
11481         * tree-object-size.c (cond_expr_object_size): New.
11482         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
11483
11484 2007-01-08  Jan Hubicka  <jh@suse.cz>
11485
11486         * tree-ssa-forwprop.c (forward_propagate_into_cond,
11487         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
11488         statement.
11489
11490 2007-01-08  Richard Guenther  <rguenther@suse.de>
11491
11492         PR tree-optimization/23603
11493         * tree-vrp.c (set_value_range_to_truthvalue): New function.
11494         (extract_range_from_binary): Fall back to truthvalue instead of
11495         varying for TRUTH_*_EXPR.
11496         (extract_range_from_comparison): Fall back to truthvalue instead of
11497         varying.
11498         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
11499         if all visited PHI values were constant.
11500
11501 2007-01-08  Jan Hubicka  <jh@suse.cz>
11502
11503         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
11504         (cgraph_analyze_function): break out from ...
11505         (cgraph_finalize_compilation_unit): ... here.
11506         (cgraph_expand_function): Remove forgoten commented out line.
11507         (cgraph_optimize): Analyze functions.
11508
11509 2007-01-08  Jan Hubicka  <jh@suse.cz>
11510
11511         * tree-pas.h (TODO_remove_function): New flag.
11512         (TODO_update*): Renumber.
11513         (pass_ipa_increase_alignment,
11514         pass_ipa_function_and_variable_visibility): New passes.
11515         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
11516         (cgraph_function_and_variable_visibility): Move to ipa.c
11517         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
11518         cgraph_increase_alignment.
11519         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
11520         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
11521         calling tree-inline.
11522         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
11523         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
11524         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
11525         (gate_increase_alignment): New function.
11526         (pass_ipa_increase_alignment): New pass.
11527         * ipa.c: Inline tree-pass.h and timevar.h
11528         (function_and_variable_visibility): Move here from cgraphunit.c
11529         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
11530         * passes.c (init_optimization_passes): Add the two new passes.
11531         (execute_todo): Handle cgraph_remove_functions.
11532
11533 2007-01-08  Nick Clifton  <nickc@redhat.com>
11534
11535         * config/frv/predicates.md (reg_or_0_operand): Accept
11536         CONST_DOUBLEs.
11537
11538 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
11539
11540         * config/bfin/rtems.h, config/bfin/t-rtems: New.
11541         * config.gcc: Add bfin*-rtems*.
11542
11543 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11544
11545         * c.opt: Add -flax-vector-conversions.
11546         * c-typeck.c (convert_for_assignment): Pass flag to
11547         vector_types_convertible_p to allow emission of note.
11548         (digest_init): Likewise.
11549         * c-opts.c: Handle -flax-vector-conversions.
11550         * c-common.c (flag_lax_vector_conversions): New.
11551         (vector_types_convertible_p): Unless -flax-vector conversions
11552         has been passed, disallow conversions between vectors with
11553         differing numbers of subparts and/or element types.  If such
11554         a conversion is disallowed, possibly emit a note on the first
11555         occasion only to inform the user of -flax-vector-conversions.
11556         The new last argument specifies this.
11557         * c-common.h (flag_lax_vector_conversions): New.
11558         (vector_types_convertible_p): Add extra argument.
11559         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
11560         char_type_node for V*QI type vectors.
11561         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
11562         Update to satisfy new typechecking rules.
11563         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
11564         C and C++ variants.
11565         * doc/invoke.texi (C Dialect Options): Document
11566         -flax-vector-conversions.
11567
11568 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11569
11570         PR tree-optimization/29877
11571         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
11572         a register variable on the RHS to not be replaceable.
11573
11574 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
11575         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
11576         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
11577         const_simm15, const_pow2, const_npow2): Added.
11578         * config/score/misc.md (insv, extv, extzv, movmemsi,
11579         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
11580         * config/score/score.c (score_address_cost, score_select_cc_mode):
11581         Added.
11582         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
11583         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
11584         Update score_print_operand.
11585         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
11586         Adjust register allocate order and update some macro define.
11587         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
11588         mdx_block_move_straight, mdx_block_move_loop_head,
11589         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
11590         mdx_block_move): Added.
11591         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
11592         mdp_limm): Updated and fix some bug and typo.
11593         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
11594         (movsf, movdf, doloop_end): Added.
11595
11596 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
11597
11598         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
11599         config/arm/thumb2.md: Fix comment typos.
11600         * doc/extend.texi: Fix a typo.
11601
11602 2007-01-07  Eric Christopher  <echristo@apple.com>
11603
11604         * configure.ac: Check for __stack_chk_fail for darwin.
11605         * configure: Regenerate.
11606
11607 2007-01-07  Richard Guenther  <rguenther@suse.de>
11608
11609         * tree-vrp.c (extract_range_from_assert): CSE calls to
11610         compare_values where possible.
11611         (extract_range_from_unary_expr): Likewise.
11612
11613 2007-01-07  Anatoly Sokolov <aesok@post.ru>
11614
11615         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
11616         * config/avr/avr.c (call_insn_operand): Delete function.
11617         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
11618         instead of register number. Use predicates.
11619         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
11620         call_insn_operand): Add.
11621
11622 2007-01-06  Jan Hubicka  <jh@suse.cz>
11623
11624         * tree-pass.h (pass_build_cgraph_edges): Declare.
11625         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
11626         (visited_nodes): Remove.
11627         (cgraph_create_edges): Move to cgraphbuild.c; rename to
11628         build_cgrpah_edges; make visited_nodes local.
11629         (cgraph_process_new_functions): DO not call initialize_inline_failed.
11630         (record_references_in_initializer): Move to cgraphbuild.c
11631         (initialize_inline_failed, rebuild_cgraph_edges,
11632         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
11633         (verify_cgraph_node): Make visited_nodes local.
11634         (cgraph_analyze_function): Do not call cgraph_create_edges and
11635         initialize_inline_failed.
11636         (cgraph_expand_function): Do not call cgraph_lower_function;
11637         assert that function is already lowered.
11638         * Makefile.in (cgraphbuild.o): New.
11639         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
11640         at the end of lowering passes.
11641
11642 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
11643
11644         * ifcvt.c (cond_move_convert_if_block): New function, code
11645         factored out from...
11646         (cond_move_process_if_block): ...here.  Call the new function
11647         on the THEN and ELSE blocks.
11648         (merge_if_block): Do not copy global_live_at_end, merge_blocks
11649         already takes care of this.
11650
11651 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11652
11653         PR c/19978
11654         * tree.h (TREE_OVERFLOW_P): New.
11655         * c-typeck.c (parser_build_unary_op): Warn only if result
11656         overflowed and operands did not.
11657         (parser_build_binary_op): Likewise.
11658         (convert_for_assignment): Remove redundant overflow_warning.
11659         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
11660
11661 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11662
11663         * c-typeck.c (store_init_value): Split over two lines to follow
11664         the GNU coding style.
11665
11666 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
11667
11668         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
11669         __GXX_EXPERIMENTAL_CXX0X__.
11670         * doc/cpp.texi: Same.
11671
11672 2007-01-05  Richard Guenther  <rguenther@suse.de>
11673
11674         PR middle-end/27826
11675         * tree.c (get_narrower): Do not construct COMPONENT_REFs
11676         with mismatched types.  Instead explicitly build a
11677         conversion NOP_EXPR.
11678
11679 2007-01-05  Ian Lance Taylor  <iant@google.com>
11680
11681         * c-common.c (decl_with_nonnull_addr_p): New function.
11682         (c_common_truthvalue_conversion): Call it.
11683         * c-typeck.c (build_binary_op): Likewise.
11684         * c-common.h (decl_with_nonnull_addr_p): Declare.
11685
11686 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
11687
11688         PR c/30360
11689         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
11690         denom against 0.0.
11691
11692 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
11693
11694         * doc/install.texi (Final install): Document the fact that
11695         the GNAT runtime should not be stripped.
11696
11697 2007-01-04  Jan Hubicka  <jh@suse.cz>
11698
11699         * tree-inline.c (fold_marked_statements): Update operand caches
11700         and EH after folding
11701
11702 2007-01-04  Ian Lance Taylor  <iant@google.com>
11703
11704         * c-common.c (check_function_nonnull): Whitespace fix.
11705
11706 2007-01-04  Jan Hubicka  <jh@suse.cz>
11707
11708         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
11709         comitted older version of patch.
11710         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
11711         function, celanup cfg and collect garbage.
11712
11713 2007-01-04  Mike Stump  <mrs@apple.com>
11714
11715         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
11716         (clean): Likewise.
11717
11718 2007-01-04  Eric Christopher  <echristo@apple.com>
11719
11720         * libgcc2.c (__bswapsi2): Use SItype.
11721         (__bswapdi2): Use DItype.
11722         * libgcc2.h: Update for above.
11723
11724 2007-01-04  Paul Brook  <paul@codesourcery.com>
11725
11726         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
11727         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
11728         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
11729         umulsidi3, umulsidi3adddi, smulsi3_highpart,
11730         umulsi3_highpart): Make conditional on !arm_arch6.
11731         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
11732         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
11733         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
11734         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
11735         umulsi3_highpart_v6): New insns.
11736
11737 2007-01-04  Roger Sayle  <roger@eyesopen.com>
11738
11739         * fold-const.c (fold_convert): When casting an expression to void,
11740         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
11741         have a type.  Instead of attempting to build a NOP_EXPR, return
11742         these "special" trees directly.
11743
11744 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
11745
11746         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
11747         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
11748         rs6000_cost->fp not 0 as adjustment for outer NEG.
11749
11750 2007-01-04  Jan Hubicka  <jh@suse.cz>
11751
11752         * cgraph.c (cgraph_release_function_body): New function.
11753         (cgraph_remove_node): Use it.
11754         * cgraph.h (cgraph_release_function_body): Declare.
11755         * cgraphunit.c (cgraph_expand_function): Use it.
11756         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
11757         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
11758         is initialized and while compilation of other function is running.
11759         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
11760         statement CFG annotations from here to ...
11761         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
11762
11763 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
11764
11765         * cfgloop.h (enum li_flags): Make the constants powers of two.
11766
11767 2007-01-04  Jan Hubicka  <jh@suse.cz>
11768
11769         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
11770         set.
11771         (fold_marked_statements): New function.
11772         (optimize_inline_calls, tree_function_versioning): Fold new statements.
11773         * tree-inline.h (copy_body_data): Add statements_to_fold.
11774
11775 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
11776
11777         * config.gcc: Mention libgcc/config.host.
11778         * Makefile.in: Update comments mentioning libgcc.
11779         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
11780         (all.cross, start.encap, rest.encap, rest.cross): Update
11781         dependencies for libgcc move.
11782         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
11783         (clean-target, clean-target-libgcc): Delete.
11784         (srcdirify, GCC_EXTRA_PARTS): New macros.
11785         (libgcc-support, libgcc.mvars): New rules.
11786         (distclean): Remove mention of mklibgcc.
11787         (install): Don't reference INSTALL_LIBGCC.
11788         (install-common): Don't reference EXTRA_PARTS.
11789         (install-libgcc, install-multilib): Delete rules.
11790         * mklibgcc.in: Delete file.
11791         * doc/configfiles.texi: Don't mention mklibgcc.
11792
11793         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
11794         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
11795         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
11796         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
11797         (mklibgcc, ldblspecs): Likewise.
11798
11799         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
11800         (posixpre.def): Use $(T).
11801         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
11802         (SHLIB_SRC, SHLIB_INSTALL): Delete.
11803         (SHLIB_LINK): Make dummy.
11804         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
11805
11806         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
11807
11808         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
11809         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
11810         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
11811         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
11812
11813         * configure.ac (all_outputs): Remove mklibgcc.
11814         * configure: Regenerated.
11815
11816 2007-01-03  Josh Conner  <jconner@apple.com>
11817
11818         PR middle-end/29683
11819         * calls.c (compute_argument_addresses): Set stack and stack_slot
11820         for partial args, too.
11821         (store_one_arg): Use locate.size.constant for the size when
11822         generating a save_area.
11823
11824 2007-01-03  Robert Kennedy <jimbob@google.com>
11825
11826         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
11827         whose definitions are deleted due to basic block merging.
11828
11829 2007-01-03  Paul Brook  <paul@codesourcery.com>
11830
11831         PR target/16634
11832         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
11833         functions.
11834         (use_return_insn): Return 0 for Thumb interrupt functions.
11835         (print_multi_reg): Add rfe argument for IRQ returns.
11836         (arm_output_epilogue): Pop interrupt return address directly into PC.
11837         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
11838
11839 2007-01-03  Paul Brook  <paul@codesourcery.com>
11840
11841         Merge from sourcerygxx-4_1.
11842         * config/arm/thumb2.md: New file.
11843         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
11844         Thumb-2.
11845         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
11846         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
11847         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
11848         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
11849         tables.
11850         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
11851         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
11852         comptibility.
11853         * config/arm/ieee754-sf.S: Ditto.
11854         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
11855         (thumb1_base_register_rtx_p): ... to this.
11856         (thumb_index_register_rtx_p): Rename...
11857         (thumb1_index_register_rtx_p): ... to this.
11858         (thumb_output_function_prologue): Rename...
11859         (thumb1_output_function_prologue): ... to this.
11860         (thumb_legitimate_address_p): Rename...
11861         (thumb1_legitimate_address_p): ... to this.
11862         (thumb_rtx_costs): Rename...
11863         (thumb1_rtx_costs): ... to this.
11864         (thumb_compute_save_reg_mask): Rename...
11865         (thumb1_compute_save_reg_mask): ... to this.
11866         (thumb_final_prescan_insn): Rename...
11867         (thumb1_final_prescan_insn): ... to this.
11868         (thumb_expand_epilogue): Rename...
11869         (thumb1_expand_epilogue): ... to this.
11870         (arm_unwind_emit_stm): Rename...
11871         (arm_unwind_emit_sequence): ... to this.
11872         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
11873         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
11874         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
11875         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
11876         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
11877         thumb2_output_casesi): New functions.
11878         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
11879         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
11880         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
11881         THUMB2_WORK_REGS): Define.
11882         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
11883         arm_condexec_mask, arm_condexec_masklen)): New variables.
11884         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
11885         (arm_override_options): Check new CPU capabilities.
11886         Set new architecture flag variables.
11887         (arm_isr_value): Handle v7m interrupt functions.
11888         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
11889         Thumb-2.
11890         (const_ok_for_arm): Handle Thumb-2 constants.
11891         (arm_gen_constant): Ditto.  Use movw when available.
11892         (arm_function_ok_for_sibcall): Return false for v7m interrupt
11893         functions.
11894         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
11895         (thumb_find_work_register, arm_load_pic_register,
11896         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
11897         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
11898         print_multi_reg, output_mov_long_double_fpa_from_arm,
11899         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
11900         output_mov_double_fpa_from_arm, output_move_double,
11901         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
11902         output_return_instruction, arm_output_function_prologue,
11903         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
11904         arm_output_mi_thunk, thumb_set_return_address): Ditto.
11905         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
11906         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
11907         (arithmetic_instr, shift_op): Use arm_shift_nmem.
11908         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
11909         '!' and 'L'.
11910         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
11911         (thumb_expand_prologue): Use thumb_set_frame_pointer.
11912         (arm_file_start): Output directive for unified syntax.
11913         (arm_unwind_emit_set): Handle stack alignment instruction.
11914         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
11915         Add v6t2, v7, v7a, v7r and v7m.
11916         (RETLDM): Add Thumb-2 code.
11917         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
11918         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
11919         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
11920         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
11921         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
11922         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
11923         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
11924         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
11925         ADJUST_INSN_LENGTH): Define.
11926         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
11927         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
11928         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
11929         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
11930         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
11931         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
11932         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
11933         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
11934         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
11935         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
11936         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
11937         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
11938         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
11939         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
11940         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
11941         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
11942         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
11943         cortex-m3.
11944         * config/arm/arm-tune.md: Regenerate.
11945         * config/arm/arm-protos.h: Update prototypes.
11946         * config/arm/vfp.md: Enable patterns for Thumb-2.
11947         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
11948         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
11949         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
11950         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
11951         * config/arm/libunwind.S: Add Thumb-2 code.
11952         * config/arm/constraints.md: Update include Thumb-2.
11953         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
11954         * config/arm/ieee754-df.S: Ditto.
11955         * config/arm/bpabi.S: Ditto.
11956         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
11957         * config/arm/predicates.md (low_register_operand,
11958         low_reg_or_int_operand, thumb_16bit_operator): New.
11959         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
11960         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
11961         * config/arm/t-arm-elf: Add armv7 multilib.
11962         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
11963         Include thumb2.md.
11964         (UNSPEC_STACK_ALIGN, ce_count): New.
11965         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
11966         arm_zero_extendsidi2, arm_zero_extendqidi2): New
11967         insns/expanders.
11968         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
11969         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
11970         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
11971         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
11972         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
11973         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
11974         insns.
11975         * doc/extend.texi: Document ARMv7-M interrupt functions.
11976         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
11977
11978 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
11979
11980         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
11981         (struct _Unwind_Context): Rename args_size to flags, remove
11982         signal_frame field, add a new args_size field and version field.
11983         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
11984         _Unwind_IsExtendedContext): New inline functions.
11985         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11986         Assume by_value array is only present if _Unwind_IsExtendedContext.
11987         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
11988         _Unwind_IsSignalFrame.
11989         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
11990         (uw_update_context_1): Use _Unwind_SetSignalFrame.
11991         (uw_init_context_1): Initialize context->flags to
11992         EXTENDED_CONTEXT_BIT.
11993         * config/rs6000/linux-unwind.h (frob_update_context): Use
11994         _Unwind_SetSignalFrame.
11995
11996 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11997
11998         PR middle-end/30353
11999         * gimplify.c (gimplify_modify_expr_complex_part): Move below
12000         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
12001         the value.
12002
12003 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
12004
12005         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
12006         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
12007         RET, AT_SP): Remove.
12008         * config/i386/i386.md (*sse_prologue_save_insn): Use return
12009         instead of RET.
12010
12011         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12012         * cfgbuild.c (find_basic_blocks): Likewise.
12013         * cfgrtl.c (rtl_create_basic_block): Likewise.
12014         * function.c (temp_slots_at_level): Likewise.
12015         * reg-stack.c (stack_regs_mentioned): Likewise.
12016         * regclass.c (allocate_reg_info): Likewise.
12017         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12018         set_bb_for_stmt, move_block_to_fn): Likewise.
12019         * tree-complex.c (tree_lower_complex): Likewise.
12020         * vec.h (VEC_safe_grow_cleared): New.
12021
12022         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
12023
12024 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
12025
12026         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
12027         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
12028         to loop_version.
12029         * cfgloopmanip.c (scale_loop_frequencies): Export.
12030         (loopify): Scale the frequencies by prescribed coefficients.
12031         (set_zero_probability): New function.
12032         (duplicate_loop_to_header_edge): Improve updating of frequencies.
12033         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
12034         and frequencies according to arguments.
12035         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
12036         correctly.
12037         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
12038         * modulo-sched.c (sms_schedule): Set probabilities for entering
12039         versioned loop correctly.
12040         * tree-vect-transform.c (vect_transform_loop): Ditto.
12041         * cfgloop.h (loopify, loop_version): Declaration changed.
12042         (scale_loop_frequencies): Declared.
12043
12044 2007-01-02  Jan Hubicka  <jh@suse.cz>
12045
12046         * cgraph.c: Include tree-flow.h
12047         (cgraph_add_new-function): Handle IPA_SSA mode; execute
12048         early_local_passes.
12049         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
12050         * tree-pass.h (pass_all_early_optimizations): Declare.
12051         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
12052         early_local_passes.
12053         (cgraph_analyze_function): Do early_local_passes.
12054         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12055         Do not add referenced vars.
12056         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
12057         SSA form.
12058         (gate_all_early_local_passes): New gate.
12059         (pass_early_local_passes): Use new gate.
12060         (execute_early_local_optimizations): New functions.
12061         (gate_all_early_optimizations): New gate.
12062         (pass_all_early_optimizations): New pass.
12063         (execute_free_datastructures): Free SSA only when initialized.
12064         (gate_init_datastructures): Init only when optimizing.
12065         (tree_lowering_passes): Do early local passes when called late.
12066         * tree-profile.c (do_tree_profiling): Don't profile functions added
12067         late.
12068         (do_early_tree_profiling, pass_early_tree_profile): Kill.
12069         * tree-cfg.c (update_modified_stmts): Do not update when operands are
12070         not active.
12071         * passes.c (init_optimizations_passes): Reorder so we go into SSA
12072         during early_local_passes.
12073         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
12074
12075
12076 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12077
12078         * Makefile.in: Update copyright year.
12079
12080 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12081
12082         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
12083         in $(lang_checks) and check-consistency targets.
12084
12085 2007-01-02  Jan Hubicka  <jh@suse.cz>
12086
12087         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12088         Do not add referenced vars.
12089         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
12090         are not active.
12091         * passes.c (init_optimization_passes): Put mudflap_2 after
12092         free_datastructures.
12093
12094 2007-01-02  Jan Hubicka  <jh@suse.cz>
12095
12096         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
12097         Set NOTHROW flag on call statements proved to be nothrow.
12098         Update statement of local calls so new pure/const functions are
12099         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
12100         goto receivers.
12101         (tree_rest_of_compilation): Register hooks and initialize bitmap
12102         early. Do not set after_inlining flag.
12103
12104 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
12105
12106         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
12107         HOST_BITS_PER_LONGLONG
12108
12109 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12110
12111         PR c/19977
12112         * c-typeck.c (store_init_value): Don't emit pedantic overflow
12113         warning for non-static initializers.
12114
12115 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
12116
12117         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
12118         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
12119         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
12120         Always use set_unique_reg_note to add REG_EQUAL notes.
12121
12122 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12123
12124         Revert:
12125         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12126
12127         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12128         * cfgbuild.c (find_basic_blocks): Likewise.
12129         * cfgrtl.c (rtl_create_basic_block): Likewise.
12130         * function.c (temp_slots_at_level): Likewise.
12131         * reg-stack.c (stack_regs_mentioned): Likewise.
12132         * regclass.c (allocate_reg_info): Likewise.
12133         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12134         set_bb_for_stmt, move_block_to_fn): Likewise.
12135         * tree-complex.c (tree_lower_complex): Likewise.
12136         * vec.h (VEC_safe_grow_cleared): New.
12137
12138 2007-01-02  Ian Lance Taylor  <iant@google.com>
12139
12140         * c-common.c (c_common_truthvalue_conversion): When warning about
12141         using an assignment as a truth value, set TREE_NO_WARNING.
12142
12143 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12144
12145         PR middle-end/7651
12146         * c.opt (Wold-style-declaration): New.
12147         * doc/invoke.texi (C-only Warning Options): New.
12148         (Wold-style-declaration): Document it.
12149         (Wextra): Enabled by -Wextra.
12150         * c-opts.c (c_common_post_options): Enabled by -Wextra.
12151         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
12152         -Wold-style-declaration.
12153
12154 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12155
12156         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12157         * cfgbuild.c (find_basic_blocks): Likewise.
12158         * cfgrtl.c (rtl_create_basic_block): Likewise.
12159         * function.c (temp_slots_at_level): Likewise.
12160         * reg-stack.c (stack_regs_mentioned): Likewise.
12161         * regclass.c (allocate_reg_info): Likewise.
12162         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12163         set_bb_for_stmt, move_block_to_fn): Likewise.
12164         * tree-complex.c (tree_lower_complex): Likewise.
12165         * vec.h (VEC_safe_grow_cleared): New.
12166
12167 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
12168
12169         * c-common.c (c_common_nodes_and_builtins): Since variants of
12170         void_type_node get built before it is given a name, we need to
12171         give those variants the name, too.
12172         (complete_array_type): We need to work with the canonical main
12173         type of the array, from which we will build the qualified version.
12174         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
12175         * print-tree.c (print_node): Display canonical type information
12176         for each type.
12177         * stor-layout.c (layout_type): When we don't know the
12178         alignment of a type for which we're building an array, we end up
12179         guessing wrong, so make the type require structural equality.
12180         * tree.c (make_node_stat): When we build a new type, it is its
12181         own canonical type.
12182         (build_type_attribute_qual_variant): When building an attribute
12183         variant, its canonical type is the non-attribute variant. However,
12184         if the attributes are target-dependent and they differ, we need to
12185         use structural equality checks for this type.
12186         (build_qualified_type): A qualified type is not equivalent to its
12187         unqualified variant; set the canonical type appropriately.
12188         (build_distinct_type_copy): When building a distinct type from
12189         another type, the new type is its own canonical type.
12190         (build_variant_type_copy): When building a new type variant, we
12191         assume that it is equivalent to the original type.
12192         (build_pointer_type_for_mode): When building a pointer type, also
12193         build a canonical type pointer.
12194         (build_reference_type_for_mode): When building a reference type,
12195         also build a canonical type reference.
12196         (build_index_type): When we can't hash an index type (e.g.,
12197         because its maximum value is negative), the index type requires
12198         structural equality tests.
12199         (build_array_type): Build the canonical form of an array type.
12200         (build_function_type): Function types require structural equality,
12201         because they contain default arguments, attributes, etc.
12202         (build_method_type_directly): Ditto for method types.
12203         (build_offset_type): Build the canonical offset type.
12204         (build_complex_type): Build the canonical vector type.
12205         (make_vector_type): Build the canonical vector type.
12206         * tree.h (TYPE_CANONICAL): New.
12207         (TYPE_STRUCTURAL_EQUALITY_P): New.
12208         (SET_TYPE_STRUCTURAL_EQUALITY): New.
12209         (struct tree_type): Added "canonical" field.
12210         * params.h (VERIFY_CANONICAL_TYPES): New.
12211         * doc/c-tree.texi (TYPE_CANONICAL): Document.
12212         (TYPE_STRUCTURAL_EQUALITY_P): Document.
12213         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
12214         * doc/invoke.texi (verify-canonical-types): Document --param
12215         parameter for verifying canonical types.
12216
12217 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12218
12219         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
12220         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
12221         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
12222         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
12223         tm_file.
12224         * config/rs6000/e500.h: New.
12225         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
12226         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
12227         Remove.
12228         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
12229         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
12230         TARGET_E500_DOUBLE): Remove.
12231         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
12232         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
12233         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
12234         * config/rs6000/rs6000.c (rs6000_override_options): Use
12235         CHECK_E500_OPTIONS.
12236
12237 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12238
12239         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
12240         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
12241         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
12242         rs6000_emit_cmove): Don't check TARGET_E500.
12243         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
12244         sordered): Don't check TARGET_E500.
12245
12246 2007-01-01  Eric Christopher  <echristo@apple.com>
12247
12248         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
12249         HARD_REGISTER_NUM_P.
12250
12251 2007-01-01  Roger Sayle  <roger@eyesopen.com>
12252
12253         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
12254         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
12255         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
12256         eq/ne Y".
12257
12258 2007-01-01  Mike Stump  <mrs@apple.com>
12259
12260         * configure.ac: Remove support for building with Apple's gcc-3.1.
12261
12262 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12263
12264         PR middle-end/30311
12265         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
12266         REG is a hard register.  Do not modify REG before calling
12267         subreg_nregs.
12268         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
12269         multiple of the size of YMODE for certain lowpart cases.
12270
12271 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12272
12273         PR middle-end/30253
12274         * gimplify (voidify_wrapper_expr): Update for
12275         GIMPLE_MODIFY_STMT.
12276
12277 2007-01-01  Andreas Schwab  <schwab@suse.de>
12278
12279         PR target/29166
12280         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
12281         save of BR0 in extra_spill_size instead of spill_size.
12282         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
12283         area.
12284         (ia64_expand_epilogue): Restore BR0 from its new location.
12285
12286 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12287
12288         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
12289         Use a temporary variable if the left hand side is not a gimple
12290         register.
12291
12292 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12293
12294         * gimplify.c (gimplify_return_expr): Make the temporary variable
12295         for the return expression, a gimple register variable.
12296
12297 2007-01-01  Jan Hubicka  <jh@suse.cz>
12298
12299         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
12300         INSN_LIST.
12301
12302 2007-01-01  Mike Stump  <mrs@apple.com>
12303
12304         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
12305         .literal16.
12306         * config/darwin.c (machopic_select_rtx_section): Use
12307         HAVE_GAS_LITERAL16.
12308         (darwin_mergeable_constant_section): Likewise.
12309         * configure: Regenerate.
12310         * config.in: Regenerate.
12311
12312 2007-01-01  Jan Hubicka  <jh@suse.cz>
12313             Andrew Pinski  <pinskia@gmail.com>
12314
12315         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
12316         before starting IPA passes.