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1 2007-04-27  Ian Lance Taylor  <iant@google.com>
2
3         PR middle-end/31710
4         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
5         TYPE_MAX_VALUE exist, convert them to the new type.
6
7 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
8
9         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
10         if it claims to be available.
11         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
12         edge is redirected.
13         (perform_tree_ssa_dce): Always free postdominators.
14
15 2007-04-27  Richard Henderson  <rth@redhat.com>
16
17         * config/alpha/predicates.md (aligned_memory_operand): Mark
18         as define_special_predicate.
19         (unaligned_memory_operand, normal_memory_operand): Likewise.
20         (reg_or_unaligned_mem_operand): Remove.
21         (any_memory_operand): Match the documentation and check for
22         non-renumbered pseudos during reload.
23         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
24         alpha_secondary_reload_class, update to new interface, make static.
25         Handle CQImode like HImode.  Remove FP subreg check.
26         (alpha_expand_mov): Use replace_equiv_address.
27         (alpha_expand_mov_nobwx): Use any_memory_operand.
28         (TARGET_SECONDARY_RELOAD): New.
29         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
30         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
31         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
32         * config/alpha/alpha.md: ... here.
33         (RELOAD12, reloadmode): New.
34         (movcqi): New.
35         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
36         Don't handle the aligned case here.
37         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
38         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
39         reload_inhi_help.  Don't expect a scratch register.
40         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
41         reload_outhi_help.
42         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
43
44 2007-04-27  Richard Guenther  <rguenther@suse.de>
45
46         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
47
48 2007-04-27  Richard Guenther  <rguenther@suse.de>
49
50         PR tree-optimization/30965
51         PR tree-optimization/30978
52         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
53         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
54         (find_equivalent_equality_comparison): Likewise.
55         (simplify_cond): Likewise.
56         (get_prop_source_stmt): New helper.
57         (get_prop_dest_stmt): Likewise.
58         (can_propagate_from): Likewise.
59         (remove_prop_source_from_use): Likewise.
60         (combine_cond_expr_cond): Likewise.
61         (forward_propagate_comparison): New function.
62         (forward_propagate_into_cond): Rewrite to use fold for
63         tree combining.
64         (tree_ssa_forward_propagate_single_use_vars): Call
65         forward_propagate_comparison to propagate comparisons.
66
67 2007-04-27  Richard Guenther  <rguenther@suse.de>
68
69         PR tree-optimization/31715
70         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
71         sure to do computation on the offset in an appropriate
72         signed type.
73
74 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
75
76         * reload.h (elimination_target_reg_p): Declare.
77         * reload.c (find_reloads): Don't apply the reg_rtx move
78         optimization if the SET_DEST satisfies elimination_target_reg_p.
79         * reload1.c (elimination_target_reg_p): New function.
80         (gen_reload): In the move/add2 fallback, make sure that op0
81         does not overlap the destination register.
82
83 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
84
85         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
86         transform only GIMPLE_MODIFY_STMTs.
87         * tree-complex.c (expand_complex_operations_1): Ditto.
88         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
89         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
90         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
91         branches.
92         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
93         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
94         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
95         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
96         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
97         slpeel_add_loop_guard): Ditto.
98         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
99         * lambda-code.c (perfect_nestify): Ditto.
100         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
101         before the first statement.
102         * tree-optimize.c (execute_free_datastructures): Fix comments.
103         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
104         * tree-flow.h (disband_implicit_edges): Declaration removed.
105         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
106         branches.
107         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
108         without gotos.
109         (disband_implicit_edges, has_label_p): Removed.
110         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
111         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
112         branches.
113         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
114         side effects.
115         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
116         also for COND_EXPRs.
117         * cfgexpand.c (label_rtx_for_bb): New function.
118         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
119         Use label_rtx_for_bb to find the labels.
120         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
121         last block.  Detect fallthru edges.
122
123 2007-04-26  Ian Lance Taylor  <iant@google.com>
124
125         PR target/28675
126         * reload.c (find_reloads_subreg_address): If the address was valid
127         in the original mode but not in the new mode, reload the whole
128         address.
129
130 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
131
132         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
133         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
134         (cleanup_control_expr_graph): Do not invalidate dominance info.
135         Record altered blocks.
136         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
137         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
138         cleanup_tree_cfg_bb): New functions.
139         (remove_forwarder_block): Do not maintain the worklist of blocks.
140         Record altered blocks.
141         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
142         not over whole cfg.
143         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
144         delete_unreachable_blocks if dominators are not available.
145         * tree-inline.c (optimize_inline_calls): Free dominance information
146         earlier.
147         * tree-flow.h (remove_edge_and_dominated_blocks,
148         cfgcleanup_altered_bbs): Altered.
149         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
150         blocks.
151         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
152         functions.
153         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
154         do not invalidate dominators.
155
156 2007-04-26  Anatoly Sokolov <aesok@post.ru>
157
158         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and 
159         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
160         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
161         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
162
163 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
164
165         * config/ia64/ia64.md (ip_value):  Fix itanium_class attribute.
166
167 2007-04-26  Richard Guenther  <rguenther@suse.de>
168
169         PR tree-optimization/31703
170         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
171         the right type for the target of the bittest.
172
173 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
174
175         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
176         ix86_sol10_return_in_memory.
177
178 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
179
180         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
181         variables.
182
183 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
184
185         PR c++/31598
186         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
187
188         PR tree-optimization/30558
189         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
190         clear this_state.prev_try.
191
192 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
193             Mark Mitchell  <mark@codesourcery.com>
194
195         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
196         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
197         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
198
199 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
200
201         PR driver/31107
202         * doc/invoke.texi (%:print-asm-header): Document.
203         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
204         and -ftarget-help.
205         (static_spec_functions): Add print-asm-header.
206         (main): Print a banner before the --target-help linker options.
207         (print_asm_header_spec_function): New function.
208
209 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
210
211         PR target/31403
212         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
213         (movsf_ie): Likewise.
214
215 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
216
217         * doc/extend.texi ([Type Traits]): Adjust per N2255.
218
219 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
220
221         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
222         for divide-by-zero.
223         (__umodsi3, __modsi3): Likewise.
224
225 2007-04-25  Dirk Mueller  <dmueller@suse.de>
226
227         * c-typeck.c (build_compound_expr): Annotate warning()
228         call with OPT_Wunused_value.
229         * tree-ssa.c (warn_uninit): Annotate warning with
230         OPT_Wunintialized.
231         * c-common.c (handle_sentinel_attribute): Annotate warning
232         call with OPT_Wattributes.
233
234 2007-04-25  Thiemo Seufer  <ths@mips.com>
235
236         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
237         (mips16): Fix typo.
238         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
239         on to the assembler.  Improve handling of -mno-mips16.  Add handling
240         of -mno-mips3d, -mno-dsp, -mno-dspr2.
241         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
242         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
243         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
244
245 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
246
247         PR target/31680
248         * config/i386/winnt.c (i386_pe_file_end): Strip only
249         USER_LABEL_PREFIX when writing export name.
250
251 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
252
253         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
254         sh/elf.h, vx-common.h and vxworks.h.
255         * config/sh/sh.h: Include config/vxworks-dummy.h.
256         (SUBTARGET_OVERRIDE_OPTIONS): Define.
257         (OVERRIDE_OPTIONS): Use it.
258         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
259         (vxworks_picreg): New pattern.
260         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
261         VXWORKS_OS_CPP_BUILTINS.
262         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
263         to their VXWORKS_* equivalents.
264         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
265         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
266         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
267         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
268         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
269         -mrtp/-fPIC multilibs.
270         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
271         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
272         (MULTILIB_OSDIRNAMES): Delete.
273
274 2007-04-25  Anatoly Sokolov <aesok@post.ru>
275
276         PR target/18989
277         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
278
279 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
280
281         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
282         rounding mode to be specified by the caller.
283         (real_to_mpfr) Likewise.
284         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
285         include new arguments.
286         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
287
288 2007-04-24  Ian Lance Taylor  <iant@google.com>
289
290         PR tree-optimization/31605
291         * tree-vrp.c (set_value_range): Check that min and max are not
292         both overflow infinities.
293         (set_value_range_to_value): New static function.
294         (extract_range_from_binary_expr): Call set_value_range_to_value.
295         (extract_range_from_cond_expr): Likewise.
296         (extract_range_from_expr): Likewise.
297         (extract_range_from_unary_expr): Likewise.  Don't create a range
298         which overflows on both sides.
299         (vrp_meet): Check for a useless range.
300         (vrp_visit_phi_node): If we see a constant which looks like an
301         overflow infinity, turn off the TREE_OVERFLOW flag.
302
303 2007-04-24  Ian Lance Taylor  <iant@google.com>
304
305         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
306
307 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
308
309         PR diagnostic/25923
310         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
311         diagnostic message is being built.
312         * tree-pretty-print.c (dump_generic_node): Only write the
313         formatted text into BUFFER's stream if we are not building a
314         diagnostic message.
315         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
316         dump_generic_node.
317         * Makefile.in (toplev.o): Depend on tree-pass.h.
318
319 2007-04-24  Ian Lance Taylor  <iant@google.com>
320
321         PR tree-optimization/31602
322         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
323         conditionals in the copied loop header.
324         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
325         warnings if TREE_NO_WARNING is set.
326         * doc/invoke.texi (Warning Options): Clarify that
327         -Wstrict-overflow does not warn about loops.
328
329 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
330
331         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
332         expand on the comment about _Decimal128 arguments and check the
333         integer result of the modulus operation; for 64-bit ELF ABI, ensure
334         that _Decimal128 argument uses even/odd register pair.
335         (function_arg): Ditto.
336
337 2007-04-24  Hui-May Chang <hm.chang@apple.com>
338
339         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
340         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
341
342 2007-04-24  Richard Guenther  <rguenther@suse.de>
343             Olga Golovanevsky  <olga@il.ibm.com>
344
345         * fold-const.c (multiple_of_p): Check for bottom 
346         to be zero. 
347
348 2007-04-24  Richard Henderson  <rth@redhat.com>
349
350         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from 
351         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
352         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
353         looking for non-zero bits shifted out.  Avoid a recursive call
354         when constructing the scalar.
355         (__floatundisf): Likewise.
356
357 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
358
359         * dwarf2out.c (field_byte_offset): Move the existing logic
360         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
361         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
362
363 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
364
365         PR target/31641
366         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
367         argument of 0 for memset.
368         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
369         unsigned shift instead of the signed variant.
370
371 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
372
373         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
374         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
375         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
376         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
377         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
378         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
379         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
380         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
381         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
382         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
383         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
384         "mul<mode>3", "div<mode>3"): Insn definitions added.
385         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
386         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
387         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
388         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
389         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
390         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
391         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
392         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
393         TARGET_FLOAT_FORMAT): Macro definitions removed.
394         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
395         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
396         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
397         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
398         (s390_gen_rtx_const_DI): Function removed.
399         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
400
401 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
402
403         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
404         over an external ffs function.
405
406 2007-04-24  Chao-ying Fu  <fu@mips.com>
407             Richard Sandiford  <richard@nildram.co.uk>
408
409         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
410         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
411         (smadd_widen_optab, umadd_widen_optab): Define.
412         * optabs.c (init_optabs): Initialize smadd_widen_optab and
413         umadd_widen_optab.
414         * genopinit.c (optabs): Fill in smadd_widen_optab and
415         umadd_widen_optab.
416         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
417         and umadd_widen_optab to implement multiply-add sequences.
418         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
419         (<u>maddsidi4): ...this.  Extend condition to include
420         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
421         of operand 0 to "ka" and use the three-operand form of madd<u>
422         for TARGET_DSPR2.
423         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
424         to define_expands.
425         * config/mips/constraints.md (ka): New register constraint.
426
427 2007-04-24  Jan Hubicka  <j@suse.cz>
428
429         Revert:
430
431         2007-04-23  Jan Hubicka  <jh@suse.cz>
432         * function.c (init_function_start): Don't init line number info.
433         (expand_function_end): Update.
434         (reset_block_changes, record_block_change, finalize_block_changes,
435         check_block_change, free_block_changes): Kill.
436         * function.h (reset_block_changes, record_block_change,
437         finalize_block_changes, check_block_change, free_block_changes): Remove
438         prototypes.
439         (struct function): Remove ib_boundaries_block.
440         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
441         Use curr_insn_locator to initialize locator.
442         (emit_line_note): Remove.
443         * cfgexpand.c (expand_gimple_cond_expr): Update.
444         (construct_exit_block): Likewise.
445         (tree_expand_cfg): Initialize/finalize locators.
446         * expr.c (expand_expr_real): Update.
447         * cfglayout.c (line_locators_locs, line_locators_lines,
448         file_locators_locs, file_locators_files): Remove.
449         (set_block_levels): Move to cfgexpand.c.
450         (insn_locators_initialize): Remove.
451         (pass_insn_locators_initialize): Remove.
452         (locations_locators_locs, locations_locators_vals): New static vars.
453         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
454         Likewise.
455         (insn_locators_alloc, insn_locators_finalize,
456         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
457         New functions.
458         (locator_location): New.
459         (locator_line, locator_file): Rewrite.
460         * rtl.h (emit_line_note): Kill.
461         (insn_locators_alloc, insn_locators_finalize,
462         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
463         Declare.
464         * tree-inline.c (initialize_cfun): Do not initialize
465         ib_boundaries_block.
466         * passes.c (pass_insn_locators_initialize): Remove.
467
468 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
469
470         * doc/invoke.texi: Removed leading '-' from option index entries.
471
472 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
473
474         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
475         Use phi_nodes_ptr.
476         (create_phi_node): Use set_phi_nodes.
477         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
478         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
479         (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
480         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
481         (bsi_start, bsi_last): Use bb_stmt_list.
482         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
483         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
484         Traverse the statements using tsi iterator.
485         * basic-block.h (struct basic_block_def): Fields stmt_list
486         and phi_nodes moved to ...
487         (struct tree_bb_info): ... new structure.
488         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
489         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
490         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
491         (tree_verify_flow_info): Verify that il.tree is not set for
492         entry and exit block.
493         (tree_split_block): Use set_bb_stmt_list.
494
495 2007-04-23  Mike Stump  <mrs@apple.com>
496
497         * config/i386/i386.c (ix86_tune_features
498         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
499         nocona and core2.
500
501 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
502
503         * config/i386/i386.md (prefix_extra): New attribute.
504         (length): Add prefix_extra.
505
506         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
507         (sse2_movntv2di): Likewise.
508         (sse2_cvtps2dq): Likewise.
509         (sse2_cvtpd2pi): Likewise.
510         (sse2_cvttpd2pi): Likewise.
511         (*sse2_cvtpd2ps): Likewise.
512         (*add<mode>3): Likewise.
513         (sse2_ssadd<mode>3): Likewise.
514         (sse2_usadd<mode>3): Likewise.
515         (*sub<mode>3): Likewise.
516         (sse2_sssub<mode>3): Likewise.
517         (sse2_ussub<mode>3): Likewise.
518         (*mulv8hi3): Likewise.
519         (*smulv8hi3_highpart): Likewise.
520         (*umulv8hi3_highpart): Likewise.
521         (sse2_umulv2siv2di3): Likewise.
522         (sse2_pmaddwd): Likewise.
523         (ashr<mode>3): Likewise.
524         (lshr<mode>3): Likewise.
525         (ashl<mode>3): Likewise.
526         (sse2_ashlti3): Likewise.
527         (sse2_lshrti3): Likewise.
528         (*umaxv16qi3): Likewise.
529         (*smaxv8hi3): Likewise.
530         (*uminv16qi3): Likewise.
531         (*sminv8hi3): Likewise.
532         (sse2_eq<mode>3): Likewise.
533         (sse2_gt<mode>3): Likewise.
534         (*and<mode>3): Likewise.
535         (sse2_nand<mode>3): Likewise.
536         (*ior<mode>3): Likewise.
537         (*xor<mode>3): Likewise.
538         (sse2_packsswb): Likewise.
539         (sse2_packssdw): Likewise.
540         (sse2_packuswb): Likewise.
541         (sse2_punpckhbw): Likewise.
542         (sse2_punpcklbw): Likewise.
543         (sse2_punpckhwd): Likewise.
544         (sse2_punpcklwd): Likewise.
545         (sse2_punpckhdq): Likewise.
546         (sse2_punpckldq): Likewise.
547         (sse2_punpckhqdq): Likewise.
548         (sse2_punpcklqdq): Likewise.
549         (*sse2_pinsrw): Likewise.
550         (*sse2_pextrw): Likewise.
551         (sse2_pshufd_1): Likewise.
552         (sse2_uavgv16qi3): Likewise.
553         (sse2_uavgv8hi3): Likewise.
554         (sse2_psadbw): Likewise.
555         (sse2_pmovmskb): Likewise.
556         (*sse2_maskmovdqu): Likewise.
557         (*sse2_maskmovdqu_rex64): Likewise.
558         (sse4a_extrqi): Likewise.
559         (sse4a_extrq): Likewise.
560         (sse3_lddqu): Set prefix_rep.
561         (sse3_addsubv4sf3): Likewise.
562         (sse3_haddv4sf3): Likewise.
563         (sse3_hsubv4sf3): Likewise.
564         (sse_cvtss2si): Likewise.
565         (sse_cvtss2si_2): Likewise.
566         (sse_cvtss2siq): Likewise.
567         (sse_cvtss2siq_2): Likewise.
568         (sse_cvttss2si): Likewise.
569         (sse_cvttss2siq): Likewise.
570         (sse2_cvttps2dq): Likewise.
571         (sse3_movshdup): Likewise.
572         (sse3_movsldup): Likewise.
573         (sse2_cvtsd2si): Likewise.
574         (sse2_cvtsd2si_2): Likewise.
575         (sse2_cvtsd2siq): Likewise.
576         (sse2_cvtsd2siq_2): Likewise.
577         (sse2_cvttsd2si): Likewise.
578         (sse2_cvttsd2siq): Likewise.
579         (*sse2_cvtpd2dq): Likewise.
580         (*sse2_cvttpd2dq): Likewise.
581         (sse2_pshuflw_1): Likewise.
582         (sse2_pshufhw_1): Likewise.
583         (sse4a_insertqi): Likewise.
584         (sse4a_insertq): Likewise.
585         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
586         (ssse3_phadddv4si3): Likewise.
587         (ssse3_phaddswv8hi3): Likewise.
588         (ssse3_phsubwv8hi3): Likewise.
589         (ssse3_phsubdv4si3): Likewise.
590         (ssse3_phsubswv8hi3): Likewise.
591         (ssse3_pmaddubswv8hi3): Likewise.
592         (ssse3_pmulhrswv8hi3): Likewise.
593         (ssse3_pshufbv16qi3): Likewise.
594         (ssse3_psign<mode>3): Likewise.
595         (ssse3_palignrti): Likewise.
596         (abs<mode>2): Likewise.
597         (ssse3_phaddwv4hi3): Set prefix_extra.
598         (ssse3_phadddv2si3): Likewise.
599         (ssse3_phaddswv4hi3): Likewise.
600         (ssse3_phsubwv4hi3): Likewise.
601         (ssse3_phsubdv2si3): Likewise.
602         (ssse3_phsubswv4hi3): Likewise.
603         (ssse3_pmaddubswv4hi3): Likewise.
604         (ssse3_pmulhrswv4hi3): Likewise.
605         (ssse3_pshufbv8qi3): Likewise.
606         (ssse3_psign<mode>3): Likewise.
607         (ssse3_palignrdi): Likewise.
608         (abs<mode>2): Likewise.
609         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
610         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
611         (sse2_pmovmskb): Set mode to SI instead of V2DF.
612
613 2007-04-23  Nick Clifton  <nickc@redhat.com>
614
615         * params.def: Fix formatting of emacs local variables.
616
617 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
618
619         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
620         move if inter-unit move isn't allowed.
621         Don't split moving the first element of V2DI to DI to inter-unit
622         move if inter-unit move isn't allowed.
623
624 2007-04-23  Richard Guenther  <rguenther@suse.de>
625
626         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
627         and CDI_POST_DOMINATORS separately.
628
629 2007-04-23  Nick Clifton  <nickc@redhat.com>
630
631         * c.opt (Wformat-contains-nul): Add warning attribute.
632
633 2007-04-23  Jan Hubicka  <jh@suse.cz>
634
635         * function.c (init_function_start): Don't init line number info.
636         (expand_function_end): Update.
637         (reset_block_changes, record_block_change, finalize_block_changes,
638         check_block_change, free_block_changes): Kill.
639         * function.h (reset_block_changes, record_block_change,
640         finalize_block_changes, check_block_change, free_block_changes): Remove
641         prototypes.
642         (struct function): Remove ib_boundaries_block.
643         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
644         Use curr_insn_locator to initialize locator.
645         (emit_line_note): Remove.
646         * cfgexpand.c (expand_gimple_cond_expr): Update.
647         (construct_exit_block): Likewise.
648         (tree_expand_cfg): Initialize/finalize locators.
649         * expr.c (expand_expr_real): Update.
650         * cfglayout.c (line_locators_locs, line_locators_lines,
651         file_locators_locs, file_locators_files): Remove.
652         (set_block_levels): Move to cfgexpand.c.
653         (insn_locators_initialize): Remove.
654         (pass_insn_locators_initialize): Remove.
655         (locations_locators_locs, locations_locators_vals): New static vars.
656         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
657         Likewise.
658         (insn_locators_alloc, insn_locators_finalize,
659         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
660         New functions.
661         (locator_location): New.
662         (locator_line, locator_file): Rewrite.
663         * rtl.h (emit_line_note): Kill.
664         (insn_locators_alloc, insn_locators_finalize,
665         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
666         Declare.
667         * tree-inline.c (initialize_cfun): Do not initialize
668         ib_boundaries_block.
669         * passes.c (pass_insn_locators_initialize): Remove.
670
671 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
672
673         PR middle-end/31448
674         * expr.c (reduce_to_bit_field_precision): Handle
675         CONST_INT rtx's.
676
677 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
678
679         PR tree-optimization/24659
680         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
681         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
682         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
683         * genopinit.c (optabs): Rename vec_pack_mod_optab
684         to vec_pack_trunc_optab.
685         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
686         early for scalar floating point operands for NOP_EXPR.
687         (vectorizable_type_promotion): Ditto.
688         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
689         vec_pack_trunc_optab.
690         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
691
692         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
693         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
694         Rename from VEC_PACK_MOD_EXPR.
695         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
696         * expr.c (expand_expr_real_1): Ditto.
697         * tree-inline.c (estimate_num_insns_1): Ditto.
698         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
699
700         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
701         (vec_unpacks_lo_v4sf): Ditto.
702         (vec_pack_trunc_v2df): Ditto.
703         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
704         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
705         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
706
707         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
708         vec_pack_mod_v8hi.
709         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
710
711         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
712         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
713         packing of floating point operands.
714         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
715         represent unpacking of floating point operands.
716         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
717         [vec_unpacks_hi]: Ditto.
718         [vec_unpacks_lo]: Ditto.
719
720 2007-04-22  Jan Hubicka  <jh@suse.cz>
721
722         * final.c (rest_of_handle_final): Call
723         targetm.asm_out.constructor/targetm.asm_out.destructor
724         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
725         proper priority via decl_*_priority_insert.
726         * c-common.c (c_expand_body): Likewise.
727
728 2007-04-22  Richard Guenther  <rguenther@suse.de>
729
730         PR tree-optimization/29789
731         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
732         (rewrite_reciprocal): New helper split out from
733         determine_invariantness_stmt.
734         (rewrite_bittest): Likewise.
735         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
736         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
737         is not.
738
739 2007-04-22  Revital Eres  <eres@il.ibm.com>
740
741         * loop-unroll.c (var_to_expand): New field to support also
742         insns of the form x = something + x.
743         (analyze_insn_to_expand_var): Use it.
744         (expand_var_during_unrolling): Likewise.
745
746 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
747
748         * predict.c: Include pointer-set.h.
749         (bb_predictions): New variable.
750         (tree_predicted_by_p, tree_predict_edge,
751         remove_predictions_associated_with_edge): Use bb_predictions map
752         instead of bb->predictions.
753         (clear_bb_predictions, assert_is_empty): New functions.
754         (combine_predictions_for_bb): Use bb_predictions map.  Call
755         clear_bb_predictions.
756         (tree_estimate_probability): Create and free bb_predictions map.
757         * Makefile.in (predict.o): Add pointer-set.h dependency.
758         * basic-block.h (struct basic_block_def): Remove predictions
759         field.
760         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
761
762 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
763
764         PR target/31480
765         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
766         is null.
767
768 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
769
770         * timevar.c (timevar_print): Change reference of --disable-checking to
771         --enable-checking=release.  Also warn if assert checking is disabled.
772
773 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
774
775         PR C/30265
776         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
777         decl as addressable if the compound literal was marked as
778         addressable.
779         Mark the decl as a gimple register if it is a complex or
780         vector decl and does not live in memory.
781
782 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
783
784         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
785         (GENERIC_NEXT): New function macro.
786         (PHI_CHAIN): Use phi_node's new chain variable.
787         (tree_phi_node): Change tree_common to tree_base
788         and add the chain field.
789         * tree-phinodes.c (make_phi_node): Don't set
790         TREE_TYPE on the new node.
791         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
792         instead of checking GIMPLE_TUPLE_P in chain_next.
793         * tree-vect-transform.c
794         (get_initial_def_for_induction): Look at
795         PHI_RESULT_TREE for the type of the phi node.
796         (update_vuses_to_preheader): Use PHI_CHAIN
797         instead of TREE_CHAIN on the phi node.
798         * tree-ssa-structalias.c (compute_points_to_sets):
799         Likewise.
800         (ipa_pta_execute): Likewise.
801
802 2007-04-21  Richard Guenther  <rguenther@suse.de>
803
804         PR middle-end/31136
805         * fold-const.c (fold_unary): Call fold_convert_const on the
806         original tree.
807
808 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
809
810         * gcse.c (store_killed_in_insn): Handle PARALLELs.
811         (store_killed_in_pat): New.
812
813 2007-04-20  Richard Henderson  <rth@redhat.com>
814
815         PR target/31628
816         * config/i386/i386.c (type_has_variadic_args_p): Look for any
817         TREE_LIST with a void_type_node value, not void_list_node exactly.
818
819 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
820
821         * doc/standards.texi: Re-arrange into language-specific
822         subsections. Add a C++ section, documenting which standards we
823         support.
824
825 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
826
827         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
828         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
829
830 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
831
832         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
833         ecrti.o and crtbegin.o.
834         (LIB_DEFAULT_SPEC): Include -lc.
835         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
836
837 2007-04-20  Richard Henderson  <rth@redhat.com>
838
839         PR target/28623
840         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
841         argument; update all callers.
842         (get_unaligned_offset): New.
843         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
844         get_unaligned_address, just pass on the address directly.
845         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
846         the subreg in the helper patterns.
847         (unaligned_extendqidi_le): Use get_unaligned_offset.
848         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
849         (unaligned_extendhidi_be): Likewise.
850         (unaligned_extendhidi): Tidy.
851         * config/alpha/alpha-protos.h: Update.
852
853 2007-04-20  Richard Henderson  <rth@redhat.com>
854
855         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
856         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
857         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
858         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
859         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
860         (CPP_SPEC): Don't include %(cpp_subtarget).
861         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
862         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
863         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
864
865 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
866
867         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
868         for __builtin_ia32_cmpordss.
869
870         PR tree-optimization/31632
871         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
872         and arg1 for optimizations of comparison against min/max values.
873         Fold arg0 to arg1's type for optimizations of comparison against
874         min+1 and max-1 values.
875
876 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
877
878         * reload.c (combine_reloads): When trying to use a dying register,
879         check whether it's uninitialized and don't use if so.
880
881 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
882
883         * fold-const.c: Remove prototypes for native_encode_expr and
884         native_interpret_expr.
885         (native_encode_expr): Make non-static.
886         (native_interpret_expr): Likewise.
887         * tree.h: Add prototypes for the above.
888
889 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
890
891         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
892         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
893         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
894         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
895         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
896         Add length attributes.
897
898 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
899
900         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
901         not that it is 1.
902
903         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
904         __STDC_WANT_DEC_FP__.
905
906 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
907
908         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
909         for long double compatibility.
910         * configure: Regenerate.
911
912 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
913
914         PR rtl-optimization/29841
915         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
916         trap instructions.
917         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
918         that may cause control flow transfer from being moved.
919
920 2007-04-18  Jan Hubicka  <jh@suse.cz>
921
922         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
923         types.
924
925 2007-04-18  Eric Christopher  <echristo@apple.com>
926
927         * config/rs6000/darwin.md (load_macho_picbase): Use link register
928         only. Update operands.
929         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
930         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
931         link register to pic register.
932
933 2007-04-18  Dirk Mueller  <dmueller@suse.de>
934
935         PR diagnostic/31227
936         * tree-vrp.c (search_for_addr_array): New.
937         (check_array_bounds): Suppress warning about
938         address taken of array refs if its not de-referenced.
939
940 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
941
942         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
943         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
944
945         * tree-vectorizer.h (NITERS_KNOWN_P): New.
946         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
947         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
948
949         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
950         dump print.
951         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
952         print message.
953         (vect_analyze_scalar_cycles): Fix indentation.
954         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
955         (vect_mark_relevant): Include phis in relevance analysis.
956
957         * tree-vect-transform.c (vect_transform_loop): Add an assert.
958
959 2007-04-18  Anatoly Sokolov <aesok@post.ru>
960
961         * config/avr/avr.c (ptrreg_to_str): Replace error() with
962         output_operand_lossage().
963
964 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
965
966         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
967         the unused code for reduction without adjust-in-epilog to simplify the
968         function.
969
970 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
971
972         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
973         (S390_TDC_NEGATIVE_ZERO): New constant.
974         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
975         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
976         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
977         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
978         (S390_TDC_POSITIVE_INFINITY): New constant.
979         (S390_TDC_NEGATIVE_INFINITY): New constant.
980         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
981         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
982         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
983         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
984         (S390_TDC_INFINITY): New constant.
985         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
986         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
987         optimization for UNSPEC_CCZ_TO_INT.
988         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
989         ("*ccz_to_int"): New insn.
990         ("isinf<mode>2"): New insn.
991         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
992         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
993         (UNSPEC_CCZ_TO_INT): New constant.
994
995 2007-04-18  Richard Guenther  <rguenther@suse.de>
996
997         PR tree-optimization/19431
998         PR tree-optimization/21463
999         * tree-pass.h (pass_phiprop): Declare.
1000         * passes.c (init_optimization_passes): New phiprop pass.
1001         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
1002         (phivn_valid_p): New helper function.
1003         (phiprop_insert_phi): Likewise.
1004         (propagate_with_phi): Likewise.
1005         (tree_ssa_phiprop): New propagator propagating loads
1006         through phi nodes if profitable.
1007
1008 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1009
1010         * tree-vect-analyze.c (process_use): New function.
1011         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
1012         Check phis in all bbs.
1013         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
1014         assert.
1015
1016 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
1017
1018         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
1019         we use REG_EQUAL.
1020
1021 2007-04-17  Anatoly Sokolov <aesok@post.ru>
1022
1023         PR target/30483
1024         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
1025         error().
1026
1027 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
1028
1029         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
1030         on "0".
1031         (sse_vmmulv4sf3): Likewise.
1032         (sse2_vmaddv2df3): Likewise.
1033         (sse2_vmmulv2df3): Likewise.
1034
1035 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
1036
1037         PR rtl-optimization/31360
1038         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
1039         (target_reg_cost): New.
1040         (init_set_costs): Initialize target_reg_cost.  Add comments
1041         regarding the rationale of the costs.
1042         (global_cost_for_size): Renamed to...
1043         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
1044         of register pressure.
1045         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
1046         estimate_reg_pressure_cost.  Add number of ivs.
1047         (determine_set_costs): Dump target_reg_cost.
1048         * loop-invariant.c (gain_for_invariant):  Use
1049         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
1050         (best_gain_for_invariant, find_invariants_to_move): Remove
1051         n_inv_uses.
1052         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
1053         (target_reg_cost): Declare.
1054         (global_cost_for_size): Declaration removed.
1055         (estimate_reg_pressure_cost): Declare.
1056
1057 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
1058
1059         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
1060         regnos into even/odd register pairs.
1061         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
1062         TDmode similar to the other floating point modes.
1063         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
1064         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
1065         define_expand's.
1066         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
1067         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
1068         (movdd_hardfloat64): Use TARGET_MFPGPR.
1069
1070 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
1071
1072         * reload1.c (delete_output_reload): Don't count output in n_inherited.
1073
1074         Revert
1075         2005-01-05  Richard Henderson  <rth@redhat.com>
1076         PR rtl-opt/10692
1077         * reload1.c (do_input_reload): Restrict the optimization deleteing
1078         a previous output reload to RELOAD_FOR_INPUT.
1079
1080 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
1081
1082         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
1083         induc_vec_info_type.
1084         (vectorizable_induction): New function declaration.
1085         * tree-vect-transform.c (get_initial_def_for_induction): No need to
1086         check if already vectorized.  Find first place in BB where new stmts
1087         can be inserted.  Takes only one argument.
1088         (vectorizable_induction): New function.
1089         (vect_transform_stmt): Add case for induc_vec_info_type to call
1090         vectorizable_induction.
1091         (vect_transform_loop): Consider phis for vectorization.
1092         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
1093         condition.
1094         (analyze_operations): Call vectorizable_induction when analyzing phis.
1095         Fix comment.
1096         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
1097         (vect_mark_relevant): Include phis in relevance analysis.
1098         (vect_mark_stmts_to_be_vectorize): Likewise.
1099         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
1100
1101 2007-04-16  Lawrence Crowl  <crowl@google.com>
1102
1103         * doc/invoke.texi (Debugging Options): Add documentation for the
1104         -femit-struct-debug options -femit-struct-debug-baseonly,
1105         -femit-struct-debug-reduced, and
1106         -femit-struct-debug-detailed[=...].
1107
1108         * c-opts.c (c_common_handle_option): Add
1109         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
1110         and OPT_femit_struct_debug_detailed_.
1111         * c.opt: Add specifications for
1112         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
1113         and -femit-struct-debug-detailed[=...].
1114         * opts.c (set_struct_debug_option): Parse the
1115         -femit-struct-debug-... options.
1116         * opts.c (matches_main_base, main_input_basename,
1117         main_input_baselength, base_of_path, matches_main_base): Add
1118         variables and functions to compare header base name to compilation
1119         unit base name.
1120         * opts.c (should_emit_struct_debug): Add to determine to emit a
1121         structure based on the option.
1122         (dump_struct_debug) Also disabled function to debug this
1123         function.
1124         * opts.c (handle_options): Save the base name of the
1125         compilation unit.
1126
1127         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
1128         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
1129         This hook indicates if a type is generic.  Set it by default
1130         to "never generic".
1131         * langhooks.h (struct lang_hooks_for_types): Add a new hook
1132         to determine if a struct type is generic or not.
1133         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
1134         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
1135         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
1136         with live C++ hook.
1137
1138         * flags.h (enum debug_info_usage): Add an enumeration to describe
1139         a program's use of a structure type.
1140         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
1141         to indicate the program's usage of the type.  Filter structs based
1142         on the -femit-struct-debug-... specification.
1143         (gen_type_die): Split into two routines, gen_type_die and
1144         gen_type_die_with_usage.  gen_type_die is now a wrapper
1145         that assumes direct usage.
1146         (gen_type_die_with_usage): Replace calls to gen_type_die
1147         with gen_type_die_with_usage adding the program usage of
1148         the referenced type.
1149         (dwarf2out_imported_module_or_decl): Suppress struct debug
1150         information using should_emit_struct_debug when appropriate.
1151
1152 2007-04-16  Ian Lance Taylor  <iant@google.com>
1153
1154         PR tree-optimization/31522
1155         * tree-vrp.c (vr_phi_edge_counts): New static variable.
1156         (vrp_initialize): Allocate vr_phi_edge_counts.
1157         (vrp_visit_phi_node): Don't push to infinity if we saw a new
1158         executable edge.  Drop test for all constants.
1159         (vrp_finalize): Free vrp_phi_edge_counts.
1160
1161         * doc/cpp.texi (Common Predefined Macros): Clarify description of
1162         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
1163
1164         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
1165         predecessors at head rather than tail.
1166
1167 2007-04-16  Matthias Klose  <doko@debian.org>
1168
1169         * config/alpha/linux.h (CPP_SPEC): Define.
1170         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
1171
1172 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
1173
1174         * function.h: Remove sequence_stack extern declaration.
1175
1176 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1177
1178         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
1179         TARGET_FIDOA.
1180         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
1181         defined.
1182
1183 2007-04-16  Anatoly Sokolov <aesok@post.ru>
1184
1185         * config/avr/avr.c (avr_arch_types): Rearranging  array.
1186         (enum avr_arch): Add.
1187         (avr_mcu_types): Use avr_arch enumeration constants instead of
1188         numbers.
1189         * config/avr/avr.h (LINK_SPEC): Simplify.
1190
1191 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1192
1193         * config/m68k/m68k.c (m68k_libcall_value,
1194         m68k_function_value): Use macros for register names more.
1195
1196         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
1197         instead.
1198         (M68K_REGNAME): Use A6_REG.
1199         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
1200
1201 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1202
1203         PR middle-end/28071
1204         * sched-int.h (struct deps): Split field 'pending_lists_length' into
1205         'pending_read_list_length' and 'pending_write_list_length'.  Update
1206         comment.
1207         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
1208         to handle two length counters instead of one.  Update all uses.
1209         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
1210         two length counters instead of one.
1211         * sched-rgn.c (propagate_deps): Update to handle two length counters
1212         instead of one.
1213
1214 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
1215
1216         PR target/31582
1217         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
1218         copy of source, pass it to ix86_expand_vector_set and return
1219         it as target.
1220
1221 2007-04-16  David Ung  <davidu@mips.com>
1222             Joseph Myers  <joseph@codesourcery.com>
1223
1224         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
1225         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
1226         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
1227         Add 74K processor information.
1228         * config/mips/mips.md: Include 74k.md.
1229         (cpu): Add 74kc,74kf,74kx.
1230         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
1231         * config/mips/74k.md: New.
1232         * doc/invoke.texi (MIPS Options): Document 74K support.
1233
1234 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
1235
1236         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
1237         vectorizable_* functions.
1238         * tree-vect-transform.c (vectorizable_call): Add check for
1239         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
1240         (vectorizable_store): likewise.
1241         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
1242         Add comments.
1243         (vectorizable_operation, vectorizable_type_demotion): Likewise.
1244         (vectorizable_type_promotion, vectorizable_load): Likewise.
1245         (vectorizable_live_operation, vectorizable_condition): Likewise.
1246         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
1247         STMT_VINFO_LIVE_P.
1248         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
1249
1250 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1251
1252         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
1253         register numbers more.
1254         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
1255         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
1256         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
1257         FUNCTION_VALUE_REGNO_P): Likewise.
1258         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
1259         STATIC_CHAIN_REGNUM): Likewise.
1260         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
1261         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
1262         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
1263         * config/m68k/m68k.md (FP_REG): New.
1264
1265 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1266
1267         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
1268         alignment on fido.
1269
1270 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1271
1272         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
1273         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
1274         comment typos.
1275
1276 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1277
1278         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
1279         cold loops.
1280
1281 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1282
1283         PR c/31520
1284         * c-decl.c (finish_decl): Grab the type of the decl after the call
1285         to store_init_value.
1286
1287 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
1288
1289         * common.opt (fforward-propagate): Fix "Optimization" annotation.
1290
1291 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
1292
1293         PR c++/25874
1294         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
1295         post dominators and cleanup cfg before returning.
1296
1297 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
1298
1299         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
1300         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
1301
1302 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
1303
1304         * config.gcc: Recognize fido.
1305         * config/m68k/m68k-devices.def (fidoa): New.
1306         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
1307         __mfido__.
1308         (FL_FIDOA, TARGET_FIDOA): New.
1309         * config/m68k/m68k.opt (mfidoa): New.
1310
1311 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1312
1313         PR middle-end/31322
1314         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
1315         when a personality function is used.
1316
1317 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
1318
1319         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
1320
1321 2007-04-13  Mike Stump  <mrs@apple.com>
1322
1323         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
1324         we can...
1325         * config/darwin.opt (fapple-kext): Make C++ only.
1326         * config/darwin.c (darwin_override_options): Remove code to ensure
1327         -fapple-kext is given for C++ only.
1328
1329 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
1330
1331         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
1332         * config/mips/mips.c (override_options): Call
1333         SUBTARGET_OVERRIDE_OPTIONS, if defined.
1334
1335 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1336
1337         * config/i386/i386.opt (msvr3-shlib): Removed.
1338
1339         * doc/invoke.texi: Remove -msvr3-shlib.
1340
1341 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1342
1343         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
1344         with "popcnt" instruction.
1345
1346 2007-04-13  Richard Guenther  <rguenther@suse.de>
1347
1348         PR tree-optimization/21258
1349         * tree-vrp.c (compare_case_labels): New helper.
1350         (find_switch_asserts): New function.
1351         (find_assert_locations): Call it for SWITCH_EXPRs.
1352
1353 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
1354
1355         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
1356         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
1357         check is now implied in X87_FLOAT_MODE_P.
1358         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1359         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1360         (fix_trunc<mode>_i386_fisttp): Ditto.
1361         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1362         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1363         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1364         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1365         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1366         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1367         (unnamed_splitters): Ditto.
1368         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
1369         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
1370         FIRST_SSE_REG for local functions when SSE math is enabled or
1371         for functions with sseregparm attribute.
1372         (standard_80387_constant_p): Return -1 if mode is not
1373         X87_FLOAT_MODE_P.
1374         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
1375         (ix86_expand_compare): Ditto.
1376         (ix86_expand_carry_flag_compare): Ditto.
1377         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
1378         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
1379         DECIMAL_FLOAT_MODE_P.
1380         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
1381         of SCALAR_FLOAT_MODE_P.
1382         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
1383         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
1384         checks before FLOAT_MODE_P.
1385         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
1386         before FLOAT_MODE_P.
1387         [DIV]: Ditto.
1388         [NEG]: Ditto.
1389         [ABS]: Ditto.
1390         [SQRT]: Ditto.
1391         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
1392
1393 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
1394             Charles Wilson  <libtool@cwilson.fastmail.fm>
1395
1396         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
1397         (libgcc.mvars): Don't depend on them.
1398         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
1399         * exec-tool.in: New.
1400
1401 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
1402
1403         * doc/invoke.text (--help): Document --help=common.
1404
1405 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
1406
1407         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
1408
1409 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1410
1411         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
1412         * genemit.c (main): Emit #include "integrate.h".
1413         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
1414         (LOADGP_RTP): New mips_loadgp_style.
1415         * config/mips/mips.h: Include config/vxworks-dummy.h.
1416         (TARGET_RTP_PIC): New macro.
1417         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
1418         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
1419         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
1420         for TARGET_RTP_PIC.
1421         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
1422         -mvxworks-pic when using -mrtp and a PIC option.
1423         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
1424         for RTP PIC.
1425         (mips_symbolic_constant_p, mips_symbolic_address_p)
1426         (mips_symbol_insns): Handle SYMBOL_HALF.
1427         (override_options): Warn about -G and -mrtp being used together.
1428         Initialize mips_lo_relocs[SYMBOL_HALF].
1429         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
1430         (mips_emit_loadgp): Handle LOADGP_RTP.
1431         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
1432         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
1433         (tablejump): Handle function-relative case table entries if
1434         TARGET_RTP_PIC.
1435         * config/mips/predicates.md (symbol_ref_operand): New predicate.
1436
1437 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1438
1439         * config/mips/mips.md (load_call<mode>): Allow any general register.
1440         destination.
1441         (sibcall_value_internal, sibcall_value_multiple_internal)
1442         (call_value_internal, call_value_split, call_value_multiple_internal)
1443         (call_value_multiple_split): Remove constraints from operand 0.
1444
1445 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1446
1447         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
1448         rather than loadgp_noshared.
1449         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
1450         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
1451         gen_loadgp.
1452         * config/mips/mips.md (loadgp): Rename to...
1453         (loadgp_newabi): ...this.
1454         (loadgp_noshared): Rename to...
1455         (loadgp_absolute): ...this.
1456
1457 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1458
1459         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
1460         false for locally-binding symbols.
1461         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
1462
1463 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1464
1465         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
1466         (SYMBOL_GOT_PAGE_OFST): ...this.
1467         (SYMBOL_GOT_GLOBAL): Rename to...
1468         (SYMBOL_GOT_DISP): ...this.
1469         (SYMBOL_GOTOFF_GLOBAL): Rename to...
1470         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
1471         * config/mips/mips.c (mips_global_symbol_p): New function.
1472         (mips_symbol_binds_local_p): Likewise.
1473         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
1474         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
1475         and mips_symbol_binds_local_p.
1476         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
1477         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
1478         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
1479         SYMBOL_GOTOFF_DISP.
1480         (mips_ok_for_lazy_binding_p): New function.
1481         (mips_load_call_address, mips_expand_call): Use it.
1482         (mips_dangerous_for_la25_p): Likewise.
1483         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
1484         (*got_disp<mode>): Use got_disp_operand instead of
1485         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
1486         SYMBOL_GOTOFF_GLOBAL.
1487         (*got_page<mode>): Use got_page_ofst_operand instead of
1488         local_got_operand.
1489         * config/mips/predicates.md (const_call_insn_operand): Use
1490         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
1491         (global_got_operand): Rename to...
1492         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
1493         SYMBOL_GOT_GLOBAL.
1494         (local_got_operand): Rename to...
1495         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
1496         of SYMBOL_GOT_LOCAL.
1497
1498 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1499
1500         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
1501         TARGET_CALL_CLOBBERED_GP.
1502         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1503         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
1504         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
1505         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
1506         of TARGET_ABICALLS && !TARGET_NEWABI.
1507         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1508         * config/mips/mips.c (mips_load_call_address): Check
1509         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
1510         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1511         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
1512         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
1513         TARGET_ABICALLS && TARGET_NEWABI.
1514         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
1515         TARGET_ABICALLS.
1516         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
1517         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
1518         TARGET_ABICALLS && TARGET_NEWABI.
1519         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
1520         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
1521         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
1522         whether indirect calls must use $25.
1523         (mips_extra_live_on_entry): Check TARGET_GOT instead of
1524         TARGET_ABICALLS.
1525         * config/mips/mips.md (jal_macro): Check flag_pic and
1526         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
1527         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
1528         instead of TARGET_ABICALLS.
1529         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
1530         TARGET_ABICALLS && TARGET_OLDABI.
1531         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1532         (sibcall): In the comment above the define_insn, mention
1533         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
1534         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
1535         instead of TARGET_ABICALLS.
1536
1537 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1538
1539         * doc/md.texi (Blackfin family constraints): Document PA and PB.
1540         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
1541         (MACFLAGS_MATCH_P): New macro.
1542         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
1543         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
1544         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
1545         the other MACFLAG constants.
1546         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
1547         (flag_machi): Tighten constraints.  Renumber some of the operands.
1548         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
1549         output template.
1550         (flag_machi_parts_acconly): New pattern.
1551         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
1552         used.
1553         (flag_macinit1hi): Tighten constraints.
1554         (flag_mul_macv2hi_parts_acconly): New pattern.
1555
1556         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
1557         Use a more efficient implementation.
1558         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
1559         inline sequences when not optimizing for size.
1560
1561         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
1562         movhi_high2low): Delete, merge functionality into...
1563         (packv2hi): ... this pattern.
1564
1565         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
1566         * config/bfin/bfin.opt (msim): New option.
1567         (mcpu=): New option.
1568         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
1569         (bfin_cpu_t): Typedef of enum bfin_cpu.
1570         (bfin_cpu_type): New declaration.
1571         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
1572         -msim and -mcpu= options.
1573         (LIB_SPEC): Likewise.
1574         * config/bfin/bfin.c (bfin_cpu_type): Define.
1575         (bfin_handle_option): Handle -mcpu= option.
1576         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
1577         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
1578         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
1579
1580 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1581
1582         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
1583         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
1584         (powerpc-wrs-vxworksae): Use ${tm_file}.
1585         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
1586         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
1587         * config/i386/vx-common.h: New file.
1588
1589 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1590
1591         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
1592         of crt0.o%s.
1593
1594 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1595
1596         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
1597         ldxtr.
1598
1599 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
1600
1601         PR c++/31078
1602         PR c++/31103
1603         * c-common.c (c_build_qualified_type): Set canonical type
1604         appropriately.
1605
1606 2007-04-12  Richard Guenther  <rguenther@suse.de>
1607
1608         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
1609         lower bound and element size if lower bound is not zero
1610         or either of the ARRAY_REF operands is set.
1611
1612 2007-04-12  Richard Guenther  <rguenther@suse.de>
1613
1614         PR tree-optimization/24689
1615         PR tree-optimization/31307
1616         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
1617         indices by value.
1618         * gimplify.c (canonicalize_addr_expr): To be consistent with
1619         gimplify_compound_lval only set operands two and three of
1620         ARRAY_REFs if they are not gimple_min_invariant.  This makes
1621         it never at this place.
1622         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
1623
1624 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1625
1626         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
1627         null before emitting a .nsubspa directive.
1628
1629 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
1630
1631         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
1632         need_to_partition_p if there are no memory statements in the
1633         function.
1634
1635 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1636
1637         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
1638         (gcd_of_steps_may_divide_p): New function.
1639         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
1640
1641 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1642
1643         * reload.c (find_reloads_toplev, find_reloads_address,
1644         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
1645         not a pointer equality test, to decide if we need to call
1646         push_reg_equiv_alt_mem.
1647
1648 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
1649
1650         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
1651         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
1652         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
1653
1654 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1655
1656         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
1657         vector to be positive.
1658
1659 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
1660
1661         PR 30735
1662         PR 31090
1663         * doc/invoke.texi: Document --params max-aliased-vops and
1664         avg-aliased-vops.
1665         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
1666         debug_memory_partitions): Move to tree-flow.h
1667         * params.h (AVG_ALIASED_VOPS): Define.
1668         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
1669         users.
1670         (mp_info_t): Likewise.
1671         (get_mem_sym_stats_for): New.
1672         (set_memory_partition): Move from tree-flow-inline.h.
1673         (mark_non_addressable): Only clear the set of symbols for the
1674         partition if it exists.
1675         (dump_memory_partitions): Move from tree-ssa-operands.c
1676         (debug_memory_partitions): Likewise.
1677         (need_to_partition_p): New.
1678         (dump_mem_ref_stats): New.
1679         (debug_mem_ref_stats): New.
1680         (dump_mem_sym_stats): New.
1681         (debug_mem_sym_stats): New.
1682         (update_mem_sym_stats_from_stmt): New.
1683         (compare_mp_info_entries): New.
1684         (mp_info_cmp): Call it.
1685         (sort_mp_info): Change argument to a list of mem_sym_stats_t
1686         objects.
1687         (get_mpt_for): Move from tree-ssa-operands.c.
1688         (find_partition_for): New.
1689         (create_partition_for): Remove.
1690         (estimate_vop_reduction): New.
1691         (update_reference_counts): New.
1692         (build_mp_info): New.
1693         (compute_memory_partitions): Refactor.
1694         Document new heuristic.
1695         Call build_mp_info, update_reference_counts,
1696         find_partition_for and estimate_vop_reduction.
1697         (compute_may_aliases): Populate virtual operands before
1698         calling debugging dumps.
1699         (delete_mem_sym_stats): New.
1700         (delete_mem_ref_stats): New.
1701         (init_mem_ref_stats): New.
1702         (init_alias_info): Call it.
1703         (maybe_create_global_var): Remove alias_info argument.
1704         Get number of call sites and number of pure/const call sites
1705         from gimple_mem_ref_stats().
1706         (dump_alias_info): Call dump_memory_partitions first.
1707         (dump_points_to_info_for): Show how many times a pointer has
1708         been dereferenced.
1709         * opts.c (decode_options): For -O2 set --param
1710         max-aliased-vops to 500.
1711         For -O3 set --param max-aliased-vops to 1000 and --param
1712         avg-aliased-vops to 3.
1713         * fortran/options.c (gfc_init_options): Remove assignment to
1714         MAX_ALIASED_VOPS.
1715         * tree-flow-inline.h (gimple_mem_ref_stats): New.
1716         * tree-dfa.c (dump_variable): Dump memory reference
1717         statistics.
1718         Dump NO_ALIAS* settings.
1719         (referenced_var_lookup): Tidy.
1720         (mem_sym_stats): New.
1721         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
1722         and ORIG are different SSA names for a memory partition.
1723         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
1724         * tree-flow.h (struct mem_sym_stats_d): Define.
1725         (mem_sym_stats_t): Define.
1726         (struct mem_ref_stats_d): Define.
1727         (struct gimple_df): Add field mem_ref_stats.
1728         (enum noalias_state): Define.
1729         (struct var_ann_d): Add bitfield noalias_state.
1730         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
1731         debug_mem_ref_stats, debug_memory_partitions,
1732         debug_mem_sym_stats): Declare.
1733         * tree-ssa-structalias.c (update_alias_info): Update call
1734         sites, pure/const call sites and asm sites in structure
1735         returned by gimple_mem_ref_stats.
1736         Remove local variable IS_POTENTIAL_DEREF.
1737         Increase NUM_DEREFS if the memory expression is a potential
1738         dereference.
1739         Call update_mem_sym_stats_from_stmt.
1740         If the memory references memory, call
1741         update_mem_sym_stats_from_stmt for all the direct memory
1742         symbol references found.
1743         (intra_create_variable_infos): Set noalias_state field for
1744         pointer arguments according to the value of
1745         flag_argument_noalias.
1746         * tree-ssa-structalias.h (struct alias_info): Remove fields
1747         num_calls_found and num_pure_const_calls_found.
1748         (update_mem_sym_stats_from_stmt): Declare.
1749         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
1750         Set default value to 100.
1751         (PARAM_AVG_ALIASED_VOPS): Define.
1752
1753 2007-04-11  Richard Guenther  <rguenther@suse.de>
1754
1755         PR middle-end/31530
1756         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
1757         a * -b + c as c - a * b if we honor sign dependent rounding.
1758
1759 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1760
1761         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
1762         bfin_expand_strmov.
1763         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
1764         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
1765         variables.
1766         (initialize_trampoline): Don't use old-style function definition.
1767         (bfin_secondary_reload): Mark IN_P argument as unused.
1768
1769 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
1770
1771         PR tree-optimization/31343
1772         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
1773         (build_polynomial_chrec): Return a scalar when the evolution is zero.
1774         * testsuite/gcc.dg/vect/pr31343.c: New.
1775
1776 2007-04-10  Eric Christopher  <echristo@apple.com>
1777
1778         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
1779         * config/i386/i386.md (*cmpfp0): Use.
1780         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1781         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1782         (fix_trunc<mode>_i386_fisttp): Ditto.
1783         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1784         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1785         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1786         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1787         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1788         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1789         (unnamed_splitters): Ditto.
1790         * config/i386/i386.c (output_fix_trunc): Assert that
1791         we're not being passed a TFmode operand.
1792
1793 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
1794
1795         PR tree-optimization/31526
1796         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
1797         n_basic_blocks to find newly added blocks.
1798
1799 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
1800
1801         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
1802         alternative.
1803         (fix_trunc<mode>si_sse): Ditto.
1804         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
1805         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
1806         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
1807         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
1808         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
1809         expander using SSEMODEF mode macro.
1810         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
1811         expander using SSEMODEF mode macro.
1812         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
1813         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
1814         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
1815         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
1816         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
1817         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
1818         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
1819         Macroize insn using X87MODEF mode macro.
1820
1821 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
1822
1823         * config/i386/sse.md (sse2_pinsrw): Removed.
1824         (sse2_pextrw): Renamed to ...
1825         (*sse2_pextrw): This.
1826
1827 2007-04-09  Jan Hubicka  <jh@suse.cz>
1828
1829         PR target/27869
1830         * config/i386/sse.md
1831         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
1832         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
1833         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
1834         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
1835
1836 2007-04-09  Jan Hubicka  <jh@suse.cz>
1837
1838         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
1839         multiple fields of union.
1840
1841 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
1842
1843         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
1844         (create_preheaders): Check that loops are available.
1845         (fix_loop_structure): Clean up, improve comments.
1846         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
1847         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
1848         state flags.
1849         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
1850         * predict.c (tree_estimate_probability): Do not call
1851         calculate_dominance_info.  Call create_preheaders.
1852         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
1853         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
1854         flags.
1855         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
1856         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
1857         * tree-cfg.c (tree_split_edge): Make an assert more precise.
1858         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
1859         arguments.
1860
1861 2007-04-08  Jan Hubicka  <jh@suse.cz>
1862
1863         * tree.h (maybe_fold_offset_to_component_ref): Declare.
1864         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
1865         * fold-const.c (fold_unary): Use it.
1866
1867 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1868
1869         * varasm.c (assemble_variable): Remove call to
1870         lang_hooks.decls.prepare_assemble_variable.
1871         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
1872         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
1873         * langhooks.h (lang_hooks_for_decls): Remove
1874         prepare_assemble_variable.
1875
1876 2007-04-08  Mike Stump  <mrs@apple.com>
1877
1878         * config/i386/i386.c: Use inc/dec on Core2.
1879
1880 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
1881
1882         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
1883         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
1884         lhd_tree_inlining_end_inlining): Remove.
1885         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
1886         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
1887         end_inlining hooks.
1888         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
1889         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
1890         lhd_tree_inlining_end_inlining): Remove prototypes.
1891         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
1892         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
1893         LANG_HOOKS_TREE_INLINING_START_INLINING,
1894         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
1895
1896         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
1897         not set it.
1898
1899 2007-04-08  Anatoly Sokolov <aesok@post.ru>
1900
1901         PR target/29932
1902         * config/avr/predicates.md (io_address_operand): Delete predicate.
1903         (low_io_address_operand): Don't use 'mode' argument.
1904         (higth_io_address_operand): Rename ...
1905         (high_io_address_operand): ... to this. Don't use 'mode' argument.
1906         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
1907         for above change.
1908
1909 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
1910
1911         Revert change removing staticp.
1912
1913 2007-04-07  Anatoly Sokolov <aesok@post.ru>
1914
1915         PR target/30289
1916         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
1917         earlyclobber.
1918
1919 2007-04-07  Bruce Korb  <bkorb@gnu.org>
1920
1921         * c.opt: Add -Wformat-contains-nul.
1922         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
1923           -Wformat setting.
1924         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
1925         the NUL byte warning.
1926
1927 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
1928
1929         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
1930
1931 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
1932
1933         * tree.c (staticp): No longer use staticp langhook.
1934         * langhooks.c (lhd_staticp): Removed.
1935         * langhooks.h (struct lang_hooks): Remove staticp.
1936         * c-common.c (c_staticp): Remove.
1937         * c-common.h (c_staticp): Ditto.
1938         * langhooks-defs.h (lhd_staticp): Ditto.
1939         (LHD_HOOKS_STATICP): Ditto
1940         * tree.h (gcc_assert_lowered): New macro.
1941
1942 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
1943
1944         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
1945         argument "reliable".
1946         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
1947         Add argument "reliable".  Propagate it through calls.
1948         (infer_loop_bounds_from_undefined):  Derive number of iterations
1949         estimates from references in blocks that do not dominate loop latch.
1950         (gcov_type_to_double_int): New function.
1951         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
1952         and expected_loop_iterations_unbounded.
1953         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
1954         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
1955         * tree-data-ref.c (estimated_loop_iterations): Export.
1956         (get_references_in_stmt): Fix -- do not return addresses of local
1957         objects.
1958         * cfgloop.h (expected_loop_iterations_unbounded,
1959         estimated_loop_iterations): Declare.
1960
1961 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
1962
1963         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
1964
1965 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
1966
1967         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
1968         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
1969         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
1970         Use output_387_reg_move().
1971         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
1972         expander using X87MODEF12 mode macro.
1973         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
1974         choosing register preferences.  Use output_387_reg_move().
1975         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
1976         instead of "x".  Use output_387_reg_move().
1977         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
1978         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
1979         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
1980         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
1981         Use output_387_reg_move().
1982         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
1983         mode macro.
1984         (*truncxf?f_i387 splitter): Ditto.
1985
1986 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
1987
1988         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
1989         LANG_HOOKS_SAFE_FROM_P.
1990         * expr.c (safe_from_p): Remove langhook call.
1991         * langhooks.h (lang_hooks): Remove safe_from_p.
1992         (lhd_safe_from_p): Remove prototype.
1993         * langhooks.c (lhd_safe_from_p): Remove.
1994
1995 2007-04-06  Jan Hubicka  <jh@suse.cz>
1996
1997         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
1998         functions.
1999
2000 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2001
2002         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
2003         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
2004         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
2005         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
2006         alternative.
2007         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
2008         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
2009
2010 2007-04-05  Richard Henderson  <rth@redhat.com>
2011
2012         * config/alpha/alpha.c (print_operand) [+]: Remove.
2013         (alpha_end_function): Print nop if call at end of function.
2014         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
2015         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
2016         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
2017         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
2018         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
2019         the call pattern. Update peepholes to match.
2020
2021 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
2022
2023         * doc/extend.texi (Other Builtins): Add decimal float variants
2024         of signbit.
2025         * builtins.def: Ditto.
2026         * builtins.c (expand_builtin): Ditto.
2027
2028 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
2029             H.J. Lu  <hongjiu.lu@intel.com>
2030
2031         PR target/31478
2032         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
2033         of V8HImode when calling ix86_binary_operator_ok.
2034         (sse2_pmaddwd): Call ix86_binary_operator_ok.
2035         (sdot_prodv8hi): Operands 1 and 2 must be register.
2036
2037 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2038
2039         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
2040         initialize align to silence bogus warning.
2041
2042 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2043
2044         PR middle-end/22156
2045         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
2046         all_no_warning.
2047         (struct sra_walk_fns): Remove use_all parameter from use.
2048         (sra_hash_tree): Handle BIT_FIELD_REFs.
2049         (sra_elt_hash): Don't hash bitfld blocks.
2050         (sra_elt_eq): Skip them in parent compares as well.  Handle
2051         BIT_FIELD_REFs.
2052         (sra_walk_expr): Don't maintain or pass down use_all_p.
2053         (scan_use): Remove use_all parameter.
2054         (scalarize_use): Likewise.  Re-expand assignment to
2055         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
2056         output, and re-scalarize after output.  Don't mark anything
2057         for no warning.
2058         (scalarize_ldst): Adjust.
2059         (scalarize_walk_gimple_modify_statement): Likewise.
2060         (build_element_name_1): Handle BIT_FIELD_REFs.
2061         (instantiate_element): Don't warn for any element whose parent
2062         is used as a whole.
2063         (instantiate_missing_elements_1): Return the sra_elt.
2064         (canon_type_for_field): New.
2065         (try_instantiate_multiple_fields): New.
2066         (instantiate_missing_elemnts): Use them.
2067         (mark_no_warning): Removed.
2068         (generate_one_element_ref): Handle BIT_FIELD_REFs.
2069         (REPLDUP, sra_build_elt_assignment): New.
2070         (generate_copy_inout): Use them.
2071         (generate_element_copy): Likewise.  Handle bitfld differences.
2072         (generate_element_zero): Don't recurse for blocks.  Use
2073         sra_build_elt_assignment.
2074         (generate_one_element_int): Take elt instead of var.  Use
2075         sra_build_elt_assignment.
2076         (generate_element_init_1): Adjust.
2077         (scalarize_use, scalarize_copy): Use REPLDUP.
2078         (scalarize_ldst): Move assert before dereference.
2079         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
2080
2081 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2082
2083         * regmove.c: Fix unused variable warnings due to previous commit.
2084
2085 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2086
2087         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
2088         (regmove_bb_head): Remove.
2089         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
2090         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
2091         problems with fixup_match_1.
2092         Don't initialize/free regmove_bb_head.
2093
2094         (reg_is_remote_constant_p): If an insn is in the same basic block
2095         but not before INSN, consider it remote, too.
2096
2097 2007-04-05  Anatoly Sokolov <aesok@post.ru>
2098
2099         PR target/25448
2100         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
2101         DECL_ASSEMBLER_NAME, not the DECL_NAME.
2102
2103 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
2104
2105         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
2106         (CONDITIONAL_REGISTER_USAGE): Likewise.
2107
2108 2007-04-04  Richard Henderson  <rth@redhat.com>
2109
2110         * config/alpha/lib1funcs.asm: Remove unused file.
2111
2112 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2113
2114         PR other/31356
2115         * opts.c (print_specific_help): Fix --help=<language>
2116         header line.
2117         (common_handle_option): Support --help=common.
2118
2119 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2120
2121         PR other/31353
2122         * gcc.c (main): Do not run the linker if
2123         print_subprocess_help indicates that it shouldn't be
2124         run.
2125
2126 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2127
2128         PR doc/31355
2129         * doc/invoke.texi (--help=): Document <languages> value, fix
2130         formatting in tables of values.
2131
2132 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
2133
2134         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
2135         dllimport attribute of virtual methods.
2136
2137 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
2138
2139         * config/score/crti.asm: Change _bss_start to __bss_start.
2140         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
2141         (OUTGOING_REG_PARM_STACK_SPACE) update.
2142         * config/score/score.opt: add options to make backend support
2143         score5, score5u, score7 and score7d.
2144         * config/score/score.md: Likewise.
2145         * config/score/misc.md: Likewise.
2146         * config/score/mac.md: Likewise.
2147         * doc/invoke.texi: Likewise.
2148         * doc/md.texi: update constraints define.
2149
2150 2007-04-03  Richard Henderson  <rth@redhat.com>
2151
2152         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
2153         an appropriate type, use the mode instead.
2154
2155 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
2156
2157         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
2158         Set the default --with-arch setting to mips2.
2159         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
2160         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
2161         (MULTILIB_OSDIRNAMES): Delete.
2162         (MULTILIB_DIRNAMES): Define.
2163         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
2164         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
2165         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
2166         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
2167         VXWORKS_OS_CPP_BUILTINS.
2168         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
2169         (MIPS_DEBUGGING_INFO): Undefine.
2170         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
2171
2172 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
2173
2174         PR middle-end/30704
2175         * fold-const.c (native_encode_real): Encode real.c provided longs
2176         as a series of 32-bit native integers.
2177         (native_interpret_real): Interpret buffer as a series of 32-bit
2178         native integers.
2179
2180 2007-04-03  Richard Guenther  <rguenther@suse.de>
2181
2182         * genpreds.c (write_insn_constraint_len): Write function
2183         optimized for CONSTRAINT_LEN implementation.
2184         (write_tm_preds_h): Output insn_constraint_len inline and
2185         use it for CONSTRAINT_LEN.
2186         (write_insn_preds_c): Don't output insn_constraint_len.
2187         * doc/md.texi (define_register_constraint): Document multi-letter
2188         constraints shall have the same length if they start with the same
2189         letter.
2190
2191 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2192
2193         PR target/31175
2194         * config/i386/i386.md (isinf<mode>2): Expand only when
2195         TARGET_C99_FUNCTIONS is set.
2196
2197 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2198
2199         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
2200         (x86_64-*-linux*): Ditto.
2201         * config/i386/i386.opt (mpc): New option.
2202         * config/i386/i386.c (overrride_options): Handle
2203         ix87_precision_string.
2204         * config/i386/crtprec.c: New file.
2205         * config/i386/t-crtpc: Ditto.
2206         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
2207         and -mpc80 options.
2208         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
2209         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2210         crtprec32.o, crtprec64.o and crtprec80.o.
2211
2212         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
2213         and -mpc80 options.
2214         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
2215
2216 2007-04-02  Eric Christopher  <echristo@apple.com>
2217
2218         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
2219         limitations on darwin.
2220
2221 2007-04-02  Anatoly Sokolov <aesok@post.ru>
2222
2223         PR target/31137
2224         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
2225
2226 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2227
2228         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
2229
2230 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2231
2232         * libgcc2.h (exception_descriptor): Don't forward-declare.
2233         (__get_eh_table_language, __get_eh_table_version): Delete
2234         prototypes of long-dead functions.
2235
2236 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
2237
2238         * ebitmap.h: New file
2239         * ebitmap.c: New file
2240         * Makefile.in (ebitmap.o): New target.
2241
2242 2007-04-01  Jan Hubicka  <jh@suse.cz>
2243
2244         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
2245         before very first instruction.
2246
2247 2007-04-01  Jan Hubicka  <jh@suse.cz>
2248
2249         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
2250         waring on 64bit hosts.
2251         * bitmap.h: Fix typo in bitmap_head_def.
2252
2253 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2254
2255         PR rtl-optimization/31391
2256         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
2257         into a DELETED_LABEL note, and the label is in an empty basic
2258         block, update BB_END as well as BB_HEAD.
2259
2260 2007-04-01  Richard Henderson  <rth@redhat.com>
2261
2262         PR tree-optimization/31169
2263         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
2264         to varying if the range is outside [0,  prec-1].
2265
2266 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
2267
2268         PR target/31388
2269         * config/mips/mips.md (load_const_gp): New insn.
2270         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
2271         the MIPS16 GP pseudo register if no_new_pseudos.
2272         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
2273
2274 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2275
2276         PR target/31364
2277         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
2278         secureplt.
2279         (call_value): Likewise.
2280
2281 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
2282             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2283
2284         PR 14737
2285         * doc/invoke.texi: (optimization options): Reword description
2286         of -ffast-math. Document its primary purpose.
2287
2288 2007-03-31  Richard Guenther  <rguenther@suse.de>
2289
2290         * omp-low.c (splay-tree.h): Include.
2291         (lookup_decl): Replace splay-tree usage by pointer-map.
2292         (maybe_lookup_decl): Likewise.
2293         (new_omp_context): Likewise.
2294         (delete_omp_context): Likewise.
2295         * gimplify.c (splay-tree.h): Include.
2296         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
2297         pointer-map.
2298         (remap_ssa_name): Likewise.
2299         (remap_decl): Likewise.
2300         (remap_type_1): Likewise.
2301         (remap_type): Likewise.
2302         (copy_body_r): Likewise.
2303         (expand_call_inline): Likewise.
2304         (clone_body): Likewise.
2305         (copy_tree_r): Likewise.
2306         (remap_save_expr): Likewise.
2307         (unsave_r): Likewise.
2308         (unsave_expr_now): Likewise.
2309         (tree_function_versioning): Likewise.
2310         (build_duplicate_type): Likewise.
2311         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
2312         (struct copy_body_data): Replace splay-tree by pointer-map.
2313         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
2314         not $(SPLAY_TREE_H).
2315         (gimplify.o): Depend on $(SPLAY_TREE_H).
2316         (omp-low.p): Likewise.
2317
2318 2007-03-31  Anatoly Sokolov <aesok@post.ru>
2319
2320         * config/avr/predicates.md (even_register_operand,
2321         odd_register_operand): New predicates.
2322         * config/avr/avr.md (movw peephole2): New.
2323         (movw_r peephole2): New.
2324
2325 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
2326
2327         * tree.h (get_signed_or_unsigned_type): New.
2328         * fold-const.c (operand_equal_for_comparison_p): Use
2329         get_signed_or_unsigned_type instead of
2330         lang_hooks.types.signed_or_unsigned_type.
2331         * expr.c (store_expr): Ditto.
2332         * langhooks.c (get_signed_or_unsigned_type): New.
2333         (lhd_signed_or_unsigned_type): New.
2334         * langhooks.h (lhd_signed_or_unsigned_type): New.
2335         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
2336
2337 2007-03-30  Richard Henderson  <rth@redhat.com>
2338
2339         * tree-ssa-loop-ivopts.c: Include target.h.
2340         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
2341         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
2342         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
2343         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
2344
2345 2007-03-30  Richard Henderson  <rth@redhat.com>
2346             Kai Tietz  <kai.tietz@onevision.com>
2347
2348         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
2349         default for 64-bit.
2350         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
2351         (TARGET_64BIT_MS_ABI): New.
2352         (DBX_REGISTER_NUMBER): Handle 64-bit.
2353         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
2354         (LONG_TYPE_SIZE): Force to 32.
2355         (REG_PARM_STACK_SPACE): New.
2356         (OUTGOING_REG_PARM_STACK_SPACE): New.
2357         (REGPARM_MAX, SSE_REGPARM_MAX): New.
2358         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2359         (STACK_BOUNDARY): Use 128 for 64-bit.
2360         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
2361         Add 64-bit implementation.
2362         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
2363         argument unused.
2364         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
2365         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
2366         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
2367         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
2368         (ix86_handle_cconv_attribute): Don't warn when ignoring if
2369         TARGET_64BIT_MS_ABI.
2370         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
2371         (ix86_pass_by_reference): Likewise.
2372         (ix86_function_value_regno_p): Likewise.
2373         (ix86_build_builtin_va_list): Likewise.
2374         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2375         (function_arg_advance_ms_64): New.
2376         (function_arg_advance): Call it.
2377         (function_arg_ms_64): New.
2378         (function_arg): Call it.
2379         (function_value_ms_64): New.
2380         (ix86_function_value_1): Call it.
2381         (return_in_memory_ms_64): New.
2382         (ix86_return_in_memory): Call it.
2383         (setup_incoming_varargs_ms_64): New.
2384         (ix86_setup_incoming_varargs): Call it.
2385         (ix86_expand_prologue): Handle 64-bit stack probing.
2386         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
2387         (output_pic_addr_const): Likewise.
2388         (x86_this_parameter): Likewise.
2389         (x86_output_mi_thunk): Likewise.
2390         (x86_function_profiler): Likewise.
2391         (TARGET_STRICT_ARGUMENT_NAMING): New.
2392         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
2393         (TARGET_64BIT_MS_ABI): New.
2394         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
2395         * config/i386/i386.md (allocate_stack_worker): Remove.
2396         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
2397         describe the clobber of eax without a match_scratch.
2398         (allocate_stack_worker_postreload): Remove.
2399         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
2400         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
2401         (allocate_stack_worker_rex64_postreload): Remove.
2402         (allocate_stack): Handle 64-bit.
2403         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
2404         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
2405         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
2406         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
2407         (STANDARD_STARTFILE_PREFIX_1): Likewise.
2408         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
2409         * config.build (x86_64-*-mingw*): New host.
2410         * config.host (x86_64-*-mingw*): New host.
2411         * config.gcc (x86_64-*-mingw*): New target.
2412         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
2413
2414 2007-03-30  Richard Henderson  <rth@redhat.com>
2415             Kai Tietz  <kai.tietz@onevision.com>
2416
2417         * c-pragma.c (struct def_pragma_macro_value): New.
2418         (struct def_pragma_macro): New.
2419         (pushed_macro_table): New.
2420         (dpm_hash, dpm_eq): New.
2421         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
2422         (init_pragma): Install them.
2423         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2424
2425 2007-03-30  Anatoly Sokolov <aesok@post.ru>
2426
2427         * config/avr/avr.c (avr_override_options): Clear
2428         'flag_delete_null_pointer_checks'.
2429
2430 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
2431
2432         PR c++/26099
2433         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
2434         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
2435         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
2436         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
2437         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
2438         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
2439         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
2440         C++ extensions.
2441         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
2442
2443 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
2444
2445         * regmove.c: Move all of pass_stack_adjustments from here...
2446         * combine-stack-adj.c: ...to this new file.
2447         * Makefile.in: Add rules for combine-stack-adj.o.
2448
2449 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
2450
2451         PR tree-optimization/31383
2452         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
2453         to have the same length.
2454
2455 2007-03-30  Jan Hubicka  <jh@suse.cz>
2456
2457         PR middle-end/30700
2458         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
2459         availablility; add more sanity checking; ask varpool only about
2460         VAR_DECL.
2461
2462 2007-03-29  Richard Henderson  <rth@redhat.com>
2463
2464         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
2465         to decide, but __SIZEOF_LONG_LONG__.
2466
2467 2007-03-29  Richard Henderson  <rth@redhat.com>
2468
2469         * emutls.c (struct __emutls_array): New.
2470         (emutls_destroy): Use it instead of casting element 0 from void*.
2471         (__emutls_get_address): Likewise.
2472
2473 2007-03-29  Richard Henderson  <rth@redhat.com>
2474
2475         * varasm.c (initializer_constant_valid_p): Don't deny
2476         DECL_DLLIMPORT_P on functions.
2477
2478         * config/i386/cygming.h: Remove function declarations.
2479         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
2480         (ASM_OUTPUT_LABELREF): Remove.
2481         (COMMON_ASM_OP): Remove.
2482         (ASM_OUTPUT_COMMON): Remove.
2483         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
2484         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
2485         (ASM_DECLARE_FUNCTION_NAME): Likewise.
2486         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
2487         Rename from TARGET_ENCODE_SECTION_INFO.
2488         * config/i386/netware.h: Likewise.
2489         * config/i386/i386-protos.h: Update.
2490         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
2491         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
2492         (legitimate_constant_p): Reject dllimports.
2493         (dllimport_map, get_dllimport_decl): New.
2494         (legitimize_dllimport_symbol): New.
2495         (legitimize_address, ix86_expand_move): Use it.
2496         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
2497         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
2498         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
2499         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
2500         * config/i386/predicates.md (constant_call_address_operand): Only
2501         accept symbols; reject dllimport_p symbols.
2502         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
2503         i386_pe_maybe_record_exported_symbol.
2504         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
2505         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
2506         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
2507         trust the setting of DECL_DLLIMPORT_P.
2508         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
2509         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
2510         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
2511         tidy the argument scanning loop.
2512         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
2513         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
2514         (i386_pe_strip_name_encoding): Remove.
2515         (i386_pe_binds_local_p): New.
2516         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
2517         (i386_pe_output_labelref): Remove.
2518         (i386_pe_asm_output_aligned_decl_common): New.
2519         (i386_pe_maybe_record_exported_symbol): Rename from
2520         i386_pe_record_exported_symbol; check for dllexported symbols.
2521
2522 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
2523
2524         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
2525         add comment explaining why vsnprintf cannot be used.
2526
2527 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
2528
2529         PR tree-optimization/30666
2530         * tree.c (build_complex_type): When creating type names for DWARF2
2531         debug info, create TYPE_DECLs for TYPE_NAME instead of
2532         IDENTIFIER_NODEs.
2533         (build_common_tree_nodes_2): Use build_complex_type when building
2534         predefined complex types, to preserve canonical types.
2535
2536 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
2537
2538         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
2539         (noce_get_alt_condition): Look at it to determine whether to
2540         reverse the condition or not.
2541         (noce_get_condition): Substitute the truth for lies.
2542         (noce_find_if_block): Set the then_else_reversed field.
2543
2544 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
2545
2546         * config/fr30/fr30.md (movdi): Do not accept immediates as the
2547         destination of this insn.
2548         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
2549         than calling gen_rtx_SET directly.  Use r0 to hold the value of
2550         'address + 4' rather than a stack based temporary which can be
2551         mis-optimized away.
2552
2553 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2554
2555         * config/s390/s390.c (s390_secondary_input_reload_class,
2556         s390_secondary_output_reload_class): Functions removed.
2557         (s390_secondary_reload): New function.
2558         (TARGET_SECONDARY_RELOAD): Target macro defined.
2559         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
2560         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
2561         * config/s390/s390.md ("reload_outti", "reload_outdi",
2562         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
2563         "reload_out<mode>"): Expanders removed.
2564         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
2565         "reload<mode>_nonoffmem_out"): Expanders added.
2566
2567 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2568
2569         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
2570         SRC->DEST replacement failed anyway.
2571
2572 2007-03-28  Mike Stump  <mrs@apple.com>
2573
2574         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
2575         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
2576         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
2577
2578 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2579
2580         * config.gcc: Accept barcelona as a variant of amdfam10.
2581         * config/i386/i386.c (override_options): Likewise.
2582         * doc/invoke.texi: Likewise.
2583
2584 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
2585
2586         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
2587         offsets for BIT_FIELD_REF and COMPONENT_REF.
2588
2589 2007-03-28  Richard Guenther  <rguenther@suse.de>
2590
2591         * tree.c (is_global_var): Move ...
2592         * tree-flow-inline.h (is_global_var): ... here.
2593         * tree.h (is_global_var): Remove declaration.
2594
2595 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
2596
2597         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
2598         option.
2599         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
2600         * config/i386/i386.c (ix86_tune_features): Initialize new
2601         tuning option.
2602         * config/i386/predicates.md (promotable_binary_operator): Use
2603         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
2604
2605 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
2606
2607         PR target/31380
2608         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
2609
2610 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
2611
2612         * config/fr30/fr30.md (movsi_internal): Change destination
2613         constraint from m to V and add m to the end.
2614
2615 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2616
2617         * config/sh/sh.md (movsi_i): Fix type attribute.
2618
2619 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2620
2621         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
2622         (movsf_ie): Likewise.
2623
2624 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2625
2626         * config.gcc: Add sh4-300 to multilib.
2627         * config/sh/t-mlib-sh4-300: New file.
2628
2629 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
2630
2631         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
2632         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
2633         fix_trunc<mode>di2.
2634         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
2635         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
2636         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
2637         "fixuns_trunctddi2"): Whitespace fix.
2638
2639 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2640
2641         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
2642         the definition of struct sh_args.
2643         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
2644         CALL_COOKIE_INT_REG_GET): Likewise.
2645
2646 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
2647
2648         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
2649         transformations are applied successfully.
2650
2651 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
2652
2653         * tree.c (tree_contains_struct): Permit 512 tree codes.
2654         * tree.h (tree_contains_struct): Ditto.
2655         (MAX_TREE_CODES): Ditto.
2656         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
2657         SPARE member to store remaining padding bits.
2658
2659 2007-03-27  Anatoly Sokolov <aesok@post.ru>
2660
2661         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
2662         architecture.
2663
2664 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
2665
2666         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
2667         * configure: Regenerate.
2668
2669         * configure: Regenerate using the correct version of autoconf.
2670
2671 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
2672
2673         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
2674         pointer regs.
2675         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
2676         regs to "__SP_L__" and "__SP_H__".
2677
2678 2007-03-27  Richard Guenther  <rguenther@suse.de>
2679
2680         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
2681         computations with it with a HOST_WIDE_INT variable.
2682
2683 2007-03-26  Mike Stump  <mrs@apple.com>
2684
2685         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
2686         objective-c-header, objective-c++-header and objc++-cpp-output
2687         support.
2688         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
2689
2690 2007-03-26  Richard Henderson  <rth@redhat.com>
2691
2692         PR target/31361
2693         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
2694         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
2695         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
2696         IX86_BUILTIN_PSRLQ128): New.
2697         (ix86_init_mmx_sse_builtins): Add them.
2698         (ix86_expand_builtin): Expand them.
2699         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
2700         operand 2 be TImode.
2701         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
2702         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
2703         _mm_srli_epi64): Mark __B const.
2704         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
2705         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
2706         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
2707         new two-vector shift builtins.
2708
2709 2007-03-26  Ian Lance Taylor  <iant@google.com>
2710
2711         PR tree-optimization/31345
2712         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
2713         [+INF, +INF(OVF)] into VARYING.
2714
2715 2007-03-26  Zack Weinberg  <zackw@panix.com>
2716
2717         * gengtype-parse.c: New file.
2718         * gengtype-yacc.y: Delete.
2719         * gengtype-lex.l: Don't include gengtype-yacc.h.
2720         Define YY_DECL and yyterminate appropriately for recursive
2721         descent parser.  yylval is now a string out-parameter to yylex.
2722         (HWS, EOID): New shorthand.
2723         (IWORD): Add a couple more types.
2724         (yylex): Add a setup stanza.  Remove the complex rules for
2725         detecting GTY'ed types and typedefs; replace with simple
2726         keyword detectors.  Adjust everything for the changed
2727         definition of yylval.  Ignore all pp-directives, not just #define.
2728         (yyerror): Delete.
2729         (parse_file): Rename yybegin; do not call yyparse.
2730         (yyend): New.
2731         * gengtype.c (xasprintf): Export again.
2732         (this_file): New.  Use everywhere __FILE__ was being used.
2733         (get_lang_bitmap): Special case types defined in gengtype.c.
2734         (do_typedef, new_structure): Suppress definition of certain types.
2735         (new_structure): Improve diagnostics of duplicate definitions.
2736         Make sure location_s is associated with input.h.
2737         (nreverse_pairs, define_location_structures): New functions.
2738         (main): Improve tagging of kludge types.  Remove old kludges
2739         for input.h types; use define_location_structures.
2740         * gengtype.h: Update prototypes.  Define token codes here.
2741         * Makefile.in: Remove all references to gengtype-yacc.
2742         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
2743         and gengtype.
2744         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
2745         add GTY((skip)) to the field that's only conditionally there.
2746         * doc/install.texi: Document that Bison is no longer required
2747         unless building treelang.
2748
2749         * gengtype.c: Don't include gtyp-gen.h.
2750         (srcdir): Declare here.
2751         (base_files, lang_dir_names): Allocate dynamically.
2752         (gt_files, num_gt_files, num_lang_dirs): New globals.
2753         (measure_input_list, read_input_line, read_input_list)
2754         (set_lang_bitmap): New functions.
2755         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
2756         simplify, relying on read_input_list to set up the bitmaps.
2757         (main): Arguments are no longer unused.  Check for correct number
2758         of command line arguments, set srcdir and srcdir_len, then call
2759         read_input_list, before doing anything else.  No need to worry
2760         about duplicates in main loop.
2761         * configure.ac: Simplify the calculation of all_gtfiles.
2762         Put language tags in there.  Don't set or substitute
2763         all_gtfiles_files_langs or all_gtfiles_files_frags.
2764         * Makefile.in: Revamp the way gengtype is invoked, now that it
2765         takes a file on its command line with a much simpler format.
2766         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
2767         (GTFILES): Remove duplicates and C source files.
2768         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
2769         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
2770         * configure: Regenerate.
2771
2772         * gengtype.h: Remove all type definitions to gengtype.c; leave
2773         only definitions of options_p, type_p, and pair_p as opaque
2774         pointers.  Update prototypes.
2775         * gengtype.c: Many type definitions moved here from gengtype.h.
2776         Consolidate type definitions at the top of the file.
2777         (xvasprintf): Delete.
2778         (xasprintf): Make static.
2779         (create_nested_pointer_option): Add 'next' parameter.
2780         (create_field_all, create_field_at): New functions.
2781         (create_field): Now a thin wrapper around create_field_all.
2782         (create_optional_field): Rename create_optional_field_ and add
2783         line argument.  Original name is now a macro which supplies
2784         __LINE__.
2785         (oprintf): Use vsnprintf directly.
2786         (close_output_files): Use fatal rather than perror/exit.
2787         (note_def_vec, note_def_vec_alloc): Use create_field_at.
2788         (main): Set progname.  Don't use exit.
2789         * gengtype-yacc.y (struct_fields): Use create_field_at.
2790         (option, optionseqopt): Delete.
2791         (optionseq): Consolidate productions from option here so we
2792         can use the first argument to create_option.
2793
2794         * gengtype-lex.l: Distinguish unions from structures in the
2795         token type.  Don't call find_structure; return the tag as a string.
2796         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
2797         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
2798         Reorganize typedef_struct production accordingly.
2799         Use create_nested_ptr_option.
2800         * gengtype.c (create_nested_ptr_option): New function.
2801         * gengtype.h: Declare it.
2802
2803         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
2804         (string_type): Don't declare.
2805         (do_scalar_typedef): Declare.
2806         (create_scalar_type): Update prototype.
2807         * gengtype.c (string_type): Make static.
2808         (scalar_nonchar, scalar_char): New.
2809         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
2810         (resolve_typedef): Use scalar_nonchar for error recovery.
2811         (create_scalar_type): Remove name_len field.  Return scalar_char
2812         or scalar_nonchar as appropriate.
2813         (adjust_field_type): Look at scalar_is_char boolean to decide whether
2814         to use string_type.
2815         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
2816         whenever possible.
2817         (main): Initialize scalar_char and scalar_nonchar before calling
2818         gen_rtx_next.
2819         * gengtype-lex.l: Adjust for removal of second argument to
2820         create_scalar_type.  Use yylval.s instead of yylval.t when
2821         returning SCALAR.
2822         * gengtype-yacc.y: Type of SCALAR is string.  Call
2823         create_scalar_type from type:SCALAR rule.  Adjust for removal of
2824         second argument to create_scalar_type.
2825
2826         * vec.h: Remove all #if IN_GENGTYPE blocks.
2827         Add comment saying that changes may require adjustments to gengtype.
2828         * gengtype.c: Don't include coretypes.h or tm.h.
2829         Add comment to inclusion of errors.h.
2830         (note_def_vec, note_def_vec_alloc): New functions.
2831         * gengtype.h: Declare new functions.
2832         * gengtype-lex.l: Don't include coretypes.h.
2833         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
2834         Delete.
2835         (update_lineno): Remove unnecessary prototype.
2836         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
2837         (VEC rule): Just return VEC_TOKEN.
2838         * gengtype-yacc.y (VEC_TOKEN): New token type.
2839         (type): Add a production for VEC(a,b).
2840         * Makefile.in: Update dependencies.
2841
2842         * gengtype-lex.l: Remove rules for parsing pointer-to-function
2843         typedefs that use the old PARAMS macro.
2844
2845         * gengtype-lex.l: Remove all rules and states relating to yacc
2846         input files.
2847         * gengtype-yacc.y: Similarly.
2848         * gengtype.c (note_yacc_type): Delete function.
2849         * gengtype.h: Update prototypes.
2850
2851 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
2852
2853         * tree-pretty-print.c (dump_generic_node): Report precision of
2854         unnamed integer types.
2855
2856 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
2857
2858         * ifcvt.c (noce_try_store_flag_constants): Don't check
2859         no_new_pseudos here.
2860         (noce_try_store_flag_constants): Don't check no_new_pseudos.
2861         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
2862         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
2863         noce_try_sign_mask): Likewise.
2864         (if_convert): Check no_new_pseudos here.
2865
2866         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
2867         Remove prototypes.
2868         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
2869         (noce_get_condition): Handle new then_else_reversed argument.
2870         (noce_init_if_info): Remove, fold into noce_find_if_block.
2871         (noce_process_if_block): Take a struct noce_if_info as the
2872         argument.  Don't set up one based on ce_if_info.  Update pointer
2873         references accordingly.
2874         (cond_move_process_if_block): Likewise.
2875         (process_if_block): Removed.
2876         (find_if_block): Removed.  Move functionality two new functions,
2877         noce_find_if_block and cond_exec_find_if_block.
2878         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
2879         blocks and the symmetric IF-ELSE-JOIN case.
2880         (cond_exec_find_if_block): Also new function mostly based on old
2881         find_if_block and process_if_block.
2882         (find_if_header): Replace find_if_block call with separately
2883         guarded calls to noce_find_if_block and cond_exec_find_if_block.
2884         (find_cond_trap): Update noce_get_condition call.
2885         (dead_or_predicable): Likewise.
2886
2887 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
2888
2889         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
2890         Remove.
2891         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
2892         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
2893         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
2894         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
2895         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
2896         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
2897         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
2898         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
2899         __builtin_ia32_psrad128 builtins.
2900
2901 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
2902
2903         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
2904         * config/i386/constraints.md
2905         (define_constraint "I"): Use IN_RANGE macro.
2906         (define_constraint "J"): Ditto.
2907         (define_constraint "K"): Ditto.
2908         (define_constraint "M"): Ditto.
2909         (define_constraint "N"): Ditto.
2910         (define_constraint "O"): Ditto.
2911         * config/i386/predicates.md
2912         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
2913         (define_predicate "const_0_to_3_operand"): Ditto.
2914         (define_predicate "const_0_to_7_operand"): Ditto.
2915         (define_predicate "const_0_to_15_operand"): Ditto.
2916         (define_predicate "const_0_to_63_operand"): Ditto.
2917         (define_predicate "const_0_to_255_operand"): Ditto.
2918         (define_predicate "const_1_to_31_operand"): Ditto.
2919         (define_predicate "const_2_to_3_operand"): Ditto.
2920         (define_predicate "const_4_to_7_operand"): Ditto.
2921
2922 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
2923
2924         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
2925         in SImode for save_world.
2926         * config/rs6000/altivec.md (save_world, restore_world): Convert to
2927         LR hard reg.
2928
2929 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
2930
2931         PR tree-optimization/30784
2932         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
2933         BIT_FIELD_REF.
2934
2935 2007-03-25  Revital Eres  <eres@il.ibm.com>
2936
2937         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
2938           Fold movement_possibility function into it.
2939
2940 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
2941
2942         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
2943         (load_macho_picbase_{si,di}): Convert to LR hard reg.
2944         (call_indirect_nonlocal_darwin64): Same.
2945         (call_nonlocal_darwin64): Same.
2946         (call_value_indirect_nonlocal_darwin64): Same.
2947         (call_value_nonlocal_darwin64): Same.
2948         (sibcall_nonlocal_darwin64): Same.
2949         (sibcall_value_nonlocal_darwin64): Same.
2950         (sibcall_symbolic_64): Same.
2951         (sibcall_value_symbolic_64): Same.
2952         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
2953         LR pseudo.
2954         (rs6000_emit_load_toc_table): Same.
2955         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
2956         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
2957         (mull_call): Same.
2958         (divss_call): Same.
2959         (divus_call): Same.
2960         (quoss_call): Same.
2961         (quous_call): Same.
2962         (load_toc_v4_pic_si): Same
2963         (load_toc_v4_PIC_1): Same.
2964         (load_toc_v4_PIC_1b): Same.
2965         (call_indirect_aix{32,64}): Same.
2966         (call_value_indirect_aix{32,64}): Same.
2967         (call): Same.
2968         (call_value): Same.
2969         (call_local{32,64}): Same.
2970         (call_value_local{32,64}): Same.
2971         (call_indirect_nonlocal_aix{32,64}): Same.
2972         (call_nonlocal_aix{32,64}): Same.
2973         (call_value_indirect_nonlocal_aix{32,64}): Same.
2974         (call_value_nonlocal_aix{32,64}): Same.
2975         (call_indirect_nonlocal_sysv<mode>): Same.
2976         (call_nonlocal_sysv<mode>): Same.
2977         (call_value_indirect_nonlocal_sysv<mode>): Same.
2978         (call_value_nonlocal_sysv<mode>): Same.
2979         (sibcall): Same.
2980         (sibcall_local{32,64}): Same.
2981         (sibcall_value_local{32,64}): Same.
2982         (sibcall_nonlocal_aix{32,64}): Same.
2983         (sibcall_value_nonlocal_aix{32,64}): Same.
2984         (sibcall_nonlocal_sysv<mode>): Same.
2985         (sibcall_value): Same.
2986         (sibcall_value_nonlocal_sysv<mode>): Same.
2987
2988 2007-03-24  Paul Brook  <paul@codesourcery.com>
2989
2990         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
2991         * config/arm/linux-eabi.h: Remove legacy syscall hack.
2992
2993 2007-03-24  Richard Henderson  <rth@redhat.com>
2994
2995         * config/ia64/constraints.md: New file.
2996         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
2997         satisfies_constraint_?.
2998         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
2999         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
3000         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
3001         ia64_output_mi_thunk): Likewise.
3002         (ia64_const_ok_for_letter_p): Remove.
3003         (ia64_const_double_ok_for_letter_p): Remove.
3004         (ia64_extra_constraint): Remove.
3005         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
3006         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
3007         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
3008         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
3009         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
3010         EXTRA_MEMORY_CONSTRAINT): Remove.
3011         * config/ia64/ia64.md: Include constriants.md.  Replace
3012         CONST_OK_FOR_? with satisfies_constraint_?.
3013
3014 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
3015             H.J. Lu  <hongjiu.lu@intel.com>
3016
3017         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
3018         DPD or BID name.
3019         (name macros): Use DPD_BID_NAME to convert names properly.
3020
3021         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
3022         decimal floating point format.
3023         (init_floating_libfuncs): Change decimal functions so that they
3024         have a "bid_" prefix if the decimal system uses the BID format,
3025         and "dpd_" prefix if the decimal system uses the DPD format.
3026         (init_interclass_conv_libfuncs): Ditto.
3027         (init_intraclass_conv_libfuncs): Ditto.
3028
3029         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3030         using the BID format.
3031
3032         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3033         whether we are using the BID decimal format.
3034         * configure: Regenerate.
3035
3036         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3037         the compiler has decimal floating point enabled.  Define
3038         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3039         instead of DPD.
3040
3041         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3042         using the BID format.
3043
3044         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3045         whether we are using the BID decimal format.
3046         * configure: Regenerate.
3047
3048         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3049         the compiler has decimal floating point enabled.  Define
3050         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3051         instead of DPD.
3052
3053         * doc/install.texi (--enable-decimal-float): Document BID and DPD
3054         options, and that it is enabled for i386/x86_64 systems.
3055
3056         * Makefile.in (enable_decimal_float): New.
3057         (DECNUMFMT): New.
3058         (DECNUMINC): Add  -I$(DECNUMFMT).
3059         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
3060         to $(DECNUMFMT) from $(DECNUM).
3061
3062         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
3063         Substitute enable_decimal_float.
3064         * configure: Regenerated.
3065
3066         PR other/30529
3067         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
3068         unsigned long.
3069
3070         * configure.ac: Enable decimal float for x86_64-*-linux*.
3071         * configure: Regenerated.
3072
3073         PR other/30530
3074         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
3075         decimal128ClearSign to flip and clear the sign bit in decimal128.
3076         (decimal_real_maxval): Set decimal128SetSign to set the sign
3077         bit in decimal128.
3078
3079 2007-03-23  Ian Lance Taylor  <iant@google.com>
3080
3081         * fold-const.c (fold_binary): Correct warning for X - c >= X.
3082
3083 2007-03-23  Ian Lance Taylor  <iant@google.com>
3084
3085         * tree-dump.c (dump_files): Correct comment.
3086
3087 2007-03-23  Ian Lance Taylor  <iant@google.com>
3088
3089         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
3090
3091 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
3092
3093         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
3094         in cfglayout mode.  Don't go into and out of cfglayout mode.
3095         Link the blocks in the order of the constructed traces.
3096         (rest_of_handle_tracer): Adjust call to tracer.
3097         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
3098         Don't go into cfglayout mode.
3099         (rtl_loop_done): Don't go out of cfglayout mode.
3100         * cfglayout.c (relink_block_chain): New function, split out from...
3101         (fixup_reorder_chain): ...here.  Remove redundant checking.
3102         (cfg_layout_finalize): Don't clear the header, footer, and aux
3103         fields here, move the code to do so to relink_block_chain.  Likewise
3104         for free_original_copy_tables.
3105         * rtl.h (tracer): Update prototype.
3106         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
3107         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
3108         mode.  Use relink_block_chain to serialize the CFG according to the
3109         new basic block order.  Move targetm.cannot_modify_jumps_p check from
3110         here...
3111         (gate_handle_reorder_blocks): ...to here.
3112         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
3113         from here...
3114         (gate_duplicate_computed_gotos): ...to here.
3115         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
3116         something always changes when going into and out of cfglayout mode.
3117         Perform an expensive cfg cleanup while going into cfglayout mode.
3118         Always update liveness information on HAVE_conditional_execution
3119         targets.  Reserialize the basic blocks and go out of cfglayout mode.
3120         * reg-stack.c: Include cfglayout.h.
3121         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
3122         the call to reorder_basic_blocks.
3123         * basic-block.h (reorder_basic_blocks): Update prototype.
3124         (relink_block_chain): New prototype.
3125         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
3126
3127 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
3128
3129         * config/mips/mips.md (type, hazard, *movdi_32bit,
3130         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
3131         *movhi_internal, *movqi_internal, *movsf_hardfloat,
3132         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
3133         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
3134         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
3135         applicable.
3136         (movcc): Change first xfer to multi.
3137         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
3138         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
3139         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
3140         config/mips/generic.md: Change reservations using "xfer" to use
3141         "mfc,mtc".
3142         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
3143         using match_operand.
3144         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
3145         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
3146         examining mode.
3147         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
3148
3149 2007-03-22  Richard Henderson  <rth@redhat.com>
3150
3151         * config/i386/i386.c: Remove unnecessary function declarations.
3152         Move targetm definition, and all related macros, to the end of
3153         the file.  Resort some functions to put definitions before uses.
3154         (ix86_attribute_table): Make static.  Move to end of file.
3155         (ix86_gimplify_va_arg): Make static.
3156
3157 2007-03-22  Richard Henderson  <rth@redhat.com>
3158
3159         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
3160         don't increase local_regparm with force_align_arg_pointer check.
3161         (ix86_function_sseregparm): Assert 32-bit.
3162         (type_has_variadic_args_p): New.
3163         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
3164         type_has_variadic_args_p.
3165         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
3166         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
3167         use memset instead.  Do maybe_vaarg check first; skip attribute
3168         tests if true; skip attribute tests for 64-bit.
3169         (construct_container): Remove TARGET_DEBUG_ARG.
3170         (function_arg_advance_32, function_arg_advance_64): Split out ...
3171         (function_arg_advance): ... from here.
3172         (function_arg_32, function_arg_64): Split out ...
3173         (function_arg): ... from here.
3174         (ix86_pass_by_reference): Tidy.
3175         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
3176         (function_value_32): New, from parts of ix86_function_value
3177         and ix86_value_regno.
3178         (function_value_64): New, from parts of ix86_function_value
3179         and ix86_libcall_value.
3180         (ix86_function_value_1): New.
3181         (ix86_function_value, ix86_libcall_value): Use it.
3182         (return_in_memory_32, return_in_memory_64): Split out ...
3183         (ix86_return_in_memory): ... from here.
3184         (ix86_struct_value_rtx): Skip for 64-bit.
3185         (ix86_libcall_value, ix86_value_regno): Remove.
3186         (setup_incoming_varargs_64): Split out ...
3187         (ix86_setup_incoming_varargs): ... from here.
3188         (ix86_va_start): Remove TARGET_DEBUG_ARG.
3189         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
3190         * config/i386/i386-protos.h (ix86_function_value): Remove.
3191         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
3192
3193 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3194
3195         PR other/23572
3196         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
3197         infinities not supported, otherwise emit warning if -Woverflow. On
3198         underflow, emit warning if -Woverflow.
3199         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
3200         and 0 otherwise.
3201         * real.h (real_from_string): Update declaration
3202
3203 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
3204             Richard Henderson  <rth@redhat.com>
3205
3206         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
3207         * calls.c (compute_argument_block_size, expand_call,
3208         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
3209         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
3210         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
3211         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
3212         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
3213         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
3214         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
3215         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
3216         Set to 1.
3217
3218 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
3219
3220         * c-incpath.c (add_sysroot_to_chain): New.
3221         (merge_include_chains): Add sysroot argument.  Call
3222         add_sysroot_to_chain if sysrooted.
3223         (register_include_chains): Update call to merge_include_chains.
3224         * doc/cppopts.texi: Document use of '=' in include directory
3225         arguments.
3226
3227 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
3228
3229         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
3230         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
3231         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
3232         insn pattern using X87MODEF12 mode macro.
3233
3234 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
3235
3236         * regmove.c (regmove_optimize): Use reg_mentioned_p
3237         instead of reg_overlap_mentioned_p for DST.
3238
3239 2007-03-21  Mike Stump  <mrs@apple.com>
3240
3241         * c.opt: Fixup for Objective-C/C++.
3242
3243 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
3244
3245         * explow.c (convert_memory_address): Fold memory reference when
3246         POINTERS_EXTEND_UNSIGNED < 0
3247
3248 2007-03-21  Richard Henderson  <rth@redhat.com>
3249
3250         PR target/31245
3251         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
3252         * config/i386/mmintrin.h (__m64): Likewise.
3253         * config/i386/xmmintrin.h (__m128): Likewise.
3254
3255 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3256
3257         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
3258         (VXWORKS_OS_CPP_BUILTINS): Define.
3259         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
3260         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
3261
3262 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3263
3264         * rtl.h (constant_pool_reference_p): Delete.
3265         (find_constant_src): Declare.
3266         * rtlanal.c (find_constant_src): New function.
3267         * simplify-rtx.c (constant_pool_reference_p): Delete.
3268         * config/i386/i386.md: Use find_constant_src instead of
3269         constant_pool_reference_p/avoid_constant_pool_reference pairs.
3270
3271 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3272
3273         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
3274         * c-cppbuiltin.c (c_cpp_builtins): Define them.
3275
3276 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
3277
3278         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
3279         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
3280         (arm_elf_asm_constructor): Use it.
3281         (arm_elf_asm_destructor): New function.
3282
3283 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3284
3285         * jump.c (mark_jump_label): Treat SEQUENCE specially.
3286
3287 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
3288
3289         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
3290
3291 2007-03-19  Andrew Haley  <aph@redhat.com>
3292
3293         PR tree-optimization/31264
3294         * tree-vrp.c (register_edge_assert_for_1): Don't look though
3295         VIEW_CONVERT_EXPRs.
3296
3297 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
3298
3299         PR rtl-optimization/30907
3300         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
3301         (fwprop_init): Always call loop_optimizer_initialize.
3302         (fwprop_done): Always call loop_optimizer_finalize.
3303         (fwprop): We always have loop info now.
3304         (gate_fwprop_addr): Remove.
3305         (pass_fwprop_addr): Use gate_fwprop as gate.
3306
3307         PR rtl-optimization/30841
3308         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
3309         df_chain_alloc): Call df_reorganize_refs unconditionally.
3310         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
3311         refs_organized to refs_organized_size.
3312         (df_ref_create_structure): Use refs_organized_size instead of
3313         bitmap_size if refs had been organized, and keep refs_organized_size
3314         up-to-date.
3315         * df.h (struct df_ref_info): Change refs_organized to
3316         refs_organized_size.
3317         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
3318         bitmap_size.
3319
3320 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
3321
3322         * except.c (output_function_exception_table): Do not reference the
3323         EH personality routine for functions that do not require an
3324         exception table.
3325
3326 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
3327
3328         PR c/30762
3329         * c-typeck.c (convert_for_assignment): Call comptypes for
3330         RECORD_TYPE or UNION_TYPE.
3331
3332         PR inline-asm/30505
3333         * reload1.c (reload): Do invalid ASM checking after
3334         cleanup_subreg_operands.
3335
3336 2007-03-19  Jeff Law  <law@redhat.com>
3337
3338         * tree-cfg.c (find_taken_edge): Tighten conditions for
3339         optimizing computed gotos.
3340
3341 2007-03-19  Michael Matz  <matz@suse.de>
3342
3343         * builtins.c (expand_builtin_sync_operation,
3344         expand_builtin_compare_and_swap,
3345         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
3346         correctly.
3347
3348         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
3349         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
3350         for operand 3.
3351
3352 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3353
3354         * doc/tm.texi: Add brackets around the return type of
3355         TARGET_SECONDARY_RELOAD.
3356
3357 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3358         Richard Guenther  <rguenther@suse.de>
3359
3360         PR tree-optimization/31254
3361         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3362         Use handled_component_p () where appropriate.  Continue
3363         propagating into the rhs if we propagated into an INDIRECT_REF
3364         on the lhs.
3365
3366 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3367
3368         * config/s390/s390.md (op_type attribute): RRR instruction type added.
3369         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
3370         (xde, xdee): Mode attributes adjusted to support DFP modes.
3371         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
3372         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
3373         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
3374         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
3375         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
3376         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3377         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
3378         numbers.
3379         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
3380         "movsf"): Insn definitions removed.
3381         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
3382         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
3383         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
3384         definitions added.
3385         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
3386         "reload_in<mode>", "reload_out<mode>"): Expander added.
3387         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
3388         Expander removed.
3389
3390 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3391
3392         * config/s390/s390.md: Only non-functional changes.  Renamed
3393         FPR mode macro to BFP all over the file.
3394
3395 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3396
3397         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
3398         (op_type attribute): RRF instruction type added.
3399         (fT0): New mode attribute.
3400         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3401         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
3402         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
3403         no secondary memory is needed when moving DFmode values between GPRs
3404         and FPRs.
3405
3406 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3407
3408         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
3409         inverted and documentation adjusted.
3410         ("mhard-dfp", "msoft-dfp"): New options.
3411         * config/s390/s390.c (s390_handle_arch_option): New architecture
3412         switch: z9-ec.
3413         (override_options): Sanity checks for the new options added.
3414         * config.gcc: New architecture switch: z9-ec.
3415         * config/s390/s390.h (processor_flags): PF_DFP added.
3416         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
3417         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
3418         when the bit is NOT set so remove it from the defaults.
3419
3420 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3421
3422         * genemit.c (main): Print include statement for dfp.h.
3423         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
3424         is not available.
3425
3426 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
3427
3428         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
3429
3430 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
3431
3432         PR target/31022
3433         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
3434         instead of PATTERN.
3435
3436 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3437
3438         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
3439         attr_length_call, output_call, output_indirect_call): Cleanup
3440         formatting of targetm calls.
3441
3442 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
3443
3444         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
3445
3446 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3447
3448         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
3449         reservation, bypass and anti-bypass descriptions for these instructions.
3450         Update move patterns.
3451         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
3452         TYPE_FPSTORE.
3453
3454 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
3455
3456         * tree-vect-transform.c (get_initial_def_for_induction): Replace
3457         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
3458         (get_initial_def_for_reduction): Likewise.
3459
3460 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
3461
3462         Fix PR tree-optimization/29922
3463         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
3464         (get_representative): Removed.
3465         (value_dies_in_block_x): Update for rvuse removal.
3466         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
3467         (compute_antic_aux): Handle when PHI nodes appear in
3468         non-single-successors.
3469         (dump_bitmap_of_names): Removed.
3470         (compute_antic_safe): Renamed and removed rvuse calculation.
3471         Calculate only antic safe.
3472         (insert_into_preds_of_block): Remove assert.
3473         (execute_pre): Update for renamed functions.
3474         (defer_or_phi_translate_block): New function.
3475
3476 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
3477
3478         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
3479         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
3480         typos.
3481         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
3482         Follow spelling conventions.
3483
3484         * tree-data-ref.h: Remove the prototype for analyze_array.
3485
3486 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
3487
3488         PR tree-optimization/31041
3489         * tree-vect-transform.c (get_initial_def_for_induction): Call
3490         force_gimple_operand.
3491
3492 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
3493
3494         * ipa-type-escape.c (look_for_casts) : Revert code to use
3495         handled_component_p due to ada test a-numaux.adb.
3496
3497 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
3498
3499         * final.c (final_scan_insn): Alter the condition of a
3500         conditional trap if we have nonstandard CC.
3501
3502 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3503
3504         * configure.ac: Remove excess quoting from asm line 0 test.
3505         * configure: Rebuilt.
3506
3507 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3508
3509         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
3510         * c-common.c (convert_and_check): Move warning logic to...
3511         (warnings_for_convert_and_check): ...here. Define.
3512         * c-common.h (warnings_for_convert_and_check): Declare.
3513
3514 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3515
3516         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
3517         (output_call): Likewise.
3518
3519 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
3520
3521         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
3522
3523 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
3524
3525         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
3526
3527 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
3528
3529         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
3530         opteron, athlon-64 and athlon-fx processor_alias_table entries.
3531
3532 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
3533
3534         PR tree-optimization/31183
3535         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
3536         Use double_int instead of unsigned int for representing access_strides.
3537         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
3538
3539 2007-03-16  Richard Guenther  <rguenther@suse.de>
3540
3541         PR tree-optimization/31146
3542         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
3543         to allow recursion of forward_propagate_addr_expr.
3544         (forward_propagate_addr_into_variable_array_index): Likewise.
3545         (forward_propagate_addr_expr): Likewise.
3546         (tree_ssa_forward_propagate_single_use_vars): Likewise.
3547         (forward_propagate_addr_expr_1): Recurse on simple copies
3548         instead of propagating into them.  Do so for useless conversions
3549         as well.
3550         (forward_propagate_addr_expr): Clean up unused statements after
3551         recursion.
3552
3553 2007-03-16  Richard Guenther  <rguenther@suse.de>
3554
3555         * builtins.c (expand_builtin_cexpi): Use the right argument
3556         for the expansion via cexp.
3557
3558 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3559
3560         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
3561         * configure: Rebuilt.
3562
3563 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3564
3565         PR debug/29906
3566         * dwarf2out.c (force_type_die): Adjust comment.
3567         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
3568
3569 2007-03-15  DJ Delorie  <dj@redhat.com>
3570
3571         * config/frv/predicates.md (minmax_operator): Don't check operands
3572         here.
3573
3574 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
3575
3576         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
3577         Update constant estimates of number of iterations.
3578         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
3579         argument renamed to "realistic".
3580         (compute_estimated_nb_iterations): Removed.
3581         (record_niter_bound): New function.
3582         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
3583         call record_nonwrapping_iv with upper = false.
3584         (infer_loop_bounds_from_signedness): Pass upper argument to
3585         record_nonwrapping_iv.
3586         (estimate_numbers_of_iterations_loop): Do not call
3587         compute_estimated_nb_iterations.  Record estimate based on profile
3588         information.  Initialize the constant estimates of number of
3589         iterations.
3590         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
3591         estimates.
3592         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
3593         number of iterations is too small.
3594         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
3595         (EST_NOT_AVAILABLE): Removed.
3596         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
3597         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
3598         fields.
3599
3600 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
3601
3602         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
3603         Handle NE_EXPR guards.
3604
3605 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3606
3607         PR c++/24924
3608         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
3609         Set also -pedantic-errors by default for the  preprocessor unless
3610         -fpermissive is given.
3611
3612 2007-03-15  Richard Guenther  <rguenther@suse.de>
3613
3614         PR middle-end/29719
3615         PR middle-end/31161
3616         * builtins.c (expand_builtin_cexpi): As a fallback if we
3617         don't have builtins for sincos or cexp create a function
3618         declaration for cexp and expand to a call to that.
3619         (expand_builtin_int_roundingfn): Always fall
3620         back to floor/ceil and its variants even if they may be
3621         not available.
3622
3623 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
3624
3625         PR middle-end/31159
3626         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
3627         jump tables, move the call to delete_dead_jumptables from here...
3628         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
3629         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
3630         don't allow merging of blocks that try_redirect_by_replacing_jump
3631         also does not handle when not optimizing.
3632
3633 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
3634             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3635
3636         * config/i386/i386.md (x86_sahf_1): Correctly handle
3637         HAVE_AS_IX86_SAHF.
3638
3639 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
3640
3641         PR target/31167
3642         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
3643         x86_64_general_operand as operand[2] predicate.  Remove "iF"
3644         from operand constraints and use "e" constraint instead.
3645         (*subti3_1, *subti3_1 splitter): Ditto.
3646         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
3647         operand[1] predicate.
3648
3649 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
3650
3651         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
3652         arrays, multiply the access strides by the size of the sub-array.
3653         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
3654
3655 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
3656
3657         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
3658         the configured assembler supports the sahf mnemonic.
3659         * configure: Regenerate.
3660         * config.in: Regenerate.
3661
3662         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
3663         emit "sahf" or ".byte\t0x9e" as asm template.
3664
3665 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
3666
3667         PR 31018
3668         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
3669         option to replace hard coded TARGET_xxx in md file.
3670         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
3671         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
3672         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
3673         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
3674         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
3675         (X86_TUNE_NOT_VECTORMODE): Ditto.
3676         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
3677         (TUNE_AVOID_VECTOR_DECODE): Ditto.
3678         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
3679         (TUNE_SLOW_IMUL_IMM8): Ditto.
3680         (TUNE_MOVE_M1_VIA_OR): Ditto.
3681         (TUNE_NOT_UNPAIRABLE): Ditto.
3682         (TUNE_NOT_VECTORMODE): Ditto.
3683
3684         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
3685         options.
3686
3687         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
3688         tuning options instead of hard coded TARGET_xxx.
3689         (fix ssemode peephole2's): Ditto.
3690         (imul peephole2's): Ditto.
3691         (movsi_or): Ditto.
3692         (movdi_or_rex64): Ditto.
3693         (move peephole2): Ditto.
3694         (not peephole2's): Ditto.
3695
3696 2007-03-14  Dirk Mueller  <dmueller@suse.de>
3697
3698         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
3699         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
3700         * c-parser.c (c_parser_if_body): Always add an empty statement in case
3701         of empty body.
3702         * c-parser.c (c_parser_do_statement): Warn about empty body in
3703         do/while statement.
3704         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
3705         * doc/invoke.texi (-Wempty-body): Update documentation.
3706
3707 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3708
3709         PR c/21438
3710         * c-common.h (warn_for_div_by_zero): Declare.
3711         * c-common.c (warn_for_div_by_zero): Define.
3712         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
3713         warning.
3714
3715 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
3716
3717         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
3718         to PREFIX and STANDARD_PREFIX.
3719
3720 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
3721             Phil Edwards  <phil@codesourcery.com>
3722
3723         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
3724         (__gthread_once_t): Remove busy field for RTPs.
3725         (__GTHREAD_ONCE_INIT): Update accordingly.
3726
3727 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
3728
3729         * doc/invoke.texi: Document VxWorks options.
3730
3731 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
3732
3733         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
3734
3735 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
3736
3737         PR tree-optimization/30590
3738         * tree-nrv.c (tree_nrv): Check for the partial update of the
3739         return value.
3740
3741 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
3742
3743         * flags.h (flag_random_seed): Remove declaration, in favor of...
3744         * toplev.h (get_random_seed, set_random_seed): ... these.
3745         * tree.c (get_file_function_name): Use the former.
3746         * opts.c (common_handle_option): Use the latter.
3747         * toplev.c
3748
3749 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
3750
3751         PR middle-end/31127
3752         * cse.c (cse_find_path): Do not bail out if a basic block that
3753         we already visited now becomes part of a path that starts at a
3754         different basic block.  Just disallow this, to make sure we
3755         visit each basic block at most once.
3756
3757 2007-03-13  Jan Hubicka  <jh@suse.cz>
3758
3759         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
3760         when profile esitmate is present, calls with very low frequency are
3761         cold.
3762
3763 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
3764
3765         PR tree-optimization/30730
3766         PR tree-optimization/26900
3767         * tree-ssa-loop-niter.c: Include gmp.h.
3768         (bounds): New type.
3769         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
3770         split_to_var_and_offset, determine_value_range,
3771         bound_difference_of_offsetted_base, refine_bounds_using_guard,
3772         bound_difference, bounds_add, bounds_negate,
3773         number_of_iterations_ne_max, dump_affine_iv): New functions.
3774         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3775         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
3776         difference of initial and final value of control iv to validate
3777         results.
3778         (number_of_iterations_cond): Add loop parameter.  Determine bounds
3779         on the difference of the extremes of the control iv.  Add dumps.
3780         (expand_simple_operations): Handle phi nodes.
3781         (simplify_using_initial_conditions): Do not record used conditions.
3782         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
3783         Do not set additional_info.
3784         (implies_nonnegative_p, implies_ge_p): Removed.
3785         (derive_constant_upper_bound): Do not use parameter `additional'.
3786         (record_estimate): Parameter `additional' removed.  Parameter
3787         `i_bound' added.  Do not call derive_constant_upper_bound.
3788         (record_nonwrapping_iv): Use derive_constant_upper_bound to
3789         bound the number of iterations estimate.
3790         (estimate_numbers_of_iterations_loop): Pass the estimate from
3791         the number of iterations analysis to record_estimate.
3792         * tree.h (multiple_of_p): Declare.
3793         * tree-scalar-evolution.c (expression_expensive_p): Removed.
3794         (scev_const_prop): Do not check expression_expensive_p.
3795         * fold-const.c (multiple_of_p): Exported.
3796         * double-int.c (double_int_mask): Exported.
3797         * double-int.h (double_int_mask): Declare.
3798         * tree-flow.h (struct tree_niter_desc): Removed additional_info
3799         field.  Added max field.
3800
3801 2007-03-13  David Taylor  <taylor@candd.org>
3802
3803         PR driver/12448:
3804         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
3805         default -MQ.
3806
3807 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3808
3809         PR target/31123
3810         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
3811         two unamed patterns.
3812
3813 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
3814
3815         * config/i386/i386.opt (mcx16, msahf): New options.
3816         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
3817         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
3818
3819         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
3820         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
3821         Output -mcx16 and -msahf options when corresponding bit is set.
3822
3823         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
3824         and -msahf options.
3825
3826 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
3827
3828         * configure.ac: Test for assembler tolerance to # 0 "".
3829         * configure, config.in: Rebuilt.
3830         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
3831
3832 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
3833
3834         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
3835
3836         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
3837         (handle_syscall): Handle direct system calls.
3838         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
3839
3840 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
3841
3842         * doc/invoke.texi: Fix cpp.info cross-reference.
3843         * doc/passes.texi: Fix gcc.info cross-reference.
3844
3845 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
3846
3847         PR tree-optimization/30835
3848         * lambda-code.c (can_convert_to_perfect_nest): Check whether
3849         bb_for_stmt is not NULL before accessing it.
3850
3851 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
3852
3853         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
3854         some multilibs.
3855
3856 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
3857
3858         PR 30635
3859         * doc/install.texi: Document --enable-stage1-languages
3860
3861 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
3862
3863         * tree-pass.h (pass_into_cfg_layout_mode,
3864         pass_outof_cfg_layout_mode): Declare.
3865         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
3866         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
3867         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
3868         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
3869
3870 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
3871
3872         * c-decl.c (warn_variable_length_array): New function.
3873         Refactored from grokdeclarator to handle warn_vla
3874         and handle unnamed array case.
3875         (grokdeclarator): Refactored VLA warning case.
3876         * c.opt (Wvla): New flag.
3877         * doc/invoke.texi (Wvla): New warning.
3878
3879 2007-03-12  Richard Henderson  <rth@redhat.com>
3880
3881         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
3882         (TARGET_SECTION_TYPE_FLAGS): New.
3883
3884 2007-03-12  Richard Henderson  <rth@redhat.com>
3885
3886         * config/darwin.c (machopic_reloc_rw_mask): New.
3887         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
3888         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
3889
3890 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
3891
3892         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
3893         * cppdefault.h (cpp_PREFIX): Document.
3894         (cpp_PREFIX_len): Likewise.
3895         (cpp_EXEC_PREFIX): New variable.
3896         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
3897         * c-incpath.c (add_standard_paths): Correct logic for relocating
3898         paths within prefix.
3899
3900 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
3901
3902         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
3903         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
3904         mode macro.
3905         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
3906         fix_truncdfdi_sse using SSEMODEF mode macro.
3907         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
3908         fix_truncdfsi_sse using SSEMODEF mode macro.
3909         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
3910         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
3911
3912 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
3913
3914         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
3915         elfos.h to tm_file.
3916
3917 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
3918
3919         * tree.h : Add multiple_of_p declaration.
3920         * fold-const.c (multiple_of_p): Make multiple_of_p public.
3921         * ipa-type-escape.c (results_of_malloc): Redundant.
3922         (visited_stmts): New. Visited stmt for walk_use_def_chains.
3923         (cast_type): Extended with new members.
3924         (check_cast): Returns cast_type.
3925         (cast): New structure for data of walk_use_def_chains.
3926         (is_malloc_result, is_cast_from_non_pointer_1,
3927         is_cast_from_non_pointer,
3928         is_array_access_through_pointer_and_index): New functions.
3929         (look_for_casts): Returns cast types.
3930         (check_call): Returns void.
3931         (okay_pointer_operation): Use support of pointer plus index,
3932         pointer plus constant and allow all multiplications.
3933
3934 2007-03-11  Richard Guenther  <rguenther@suse.de>
3935
3936         PR tree-optimization/31115
3937         * tree-vrp.c (extract_range_from_binary_expr): Make sure
3938         the shift count is positive and non-anti-range for RSHIFT_EXPR.
3939         A shift count of zero is not special as with *_DIV_EXPR.
3940         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
3941         direction.
3942
3943 2007-03-11  Ian Lance Taylor  <iant@google.com>
3944
3945         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
3946         the *_DIV_EXPR codes correctly with overflow infinities.
3947
3948 2007-03-11  Ira Rosen  <irar@il.ibm.com>
3949
3950         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
3951         indicate success/failure of the analysis. Add negation to subtrahend
3952         in case of subtraction. Fail if both operands contain constants.
3953         (create_data_ref): Fail if analyze_offset fails.
3954
3955 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
3956
3957         * config/i386/i386.md (frndintxf2): Rename to ...
3958         (rintxf2): ... this. Remove expander having same name.
3959         (rintsf2, rintdf2): Implement using SSEMODEF macro.
3960         (roundsf2, rounddf2): Ditto.
3961         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
3962         (lround<mode>di2, lround<mode>si2): Ditto.
3963
3964 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
3965
3966         * lower-subreg.c: Include except.h.
3967         (decompose_multiword_subregs): Verify that the only control flow
3968         insns we can split are loads to multi-words pseudos.
3969         Handle breaking such blocks after splitting, instead of calling
3970         find_many_sub_basic_blocks.
3971
3972         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
3973         on the new basic block.  Add a lengthy comment explaining why we
3974         thought this was necessary.
3975         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
3976
3977 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
3978
3979         PR c++/30924
3980         * tree.c (walk_type_fields): Recurse into the element type of
3981         ARRAY_TYPEs if there is a pointer set.
3982
3983 2007-03-10  Dirk Mueller  <dmueller@suse.de>
3984
3985         * c-common.c (warn_logical_operator): Fix condition.
3986
3987 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
3988
3989         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
3990         quotation mark.
3991         * config/darwin.c (machopic_select_section): Remove superfluous
3992         argument in call to categorize_decl_for_section.  Remove unused
3993         variable shlib.
3994
3995 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
3996
3997         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
3998         defined.
3999         * configure: Regenerate.
4000
4001 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
4002
4003         PR target/31101
4004         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
4005         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
4006         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
4007         Add LABEL_NUSES to emitted label.
4008         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
4009         branch probability value to emitted jump insn.
4010         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
4011         Do not check life information and do not re-arrange input operands
4012         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
4013
4014 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4015
4016         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
4017         the change of decode_asm_operands.
4018
4019 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4020
4021         * mode-switching.c (create_pre_exit): Skip blockage insn.
4022
4023 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
4024
4025         * tree-pass.h (TODO_update_smt_usage): Remove.
4026         Update all users.
4027         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
4028         argument SOME.
4029         Update all users.
4030
4031 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4032
4033         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
4034         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
4035         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
4036         SOM target.
4037
4038 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
4039
4040         * gcc.c: Document %{, in big comment at top.
4041         (input_suffix_matches): Remove special handling for .s and
4042         .S.
4043         (input_spec_matches): New.
4044         (handle_braces): Handle %{,.
4045         (validate_switches): ',' indicates a value which is not a switch.
4046         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
4047         to detect assembler input.
4048         * config/i386/sol2.h (CPP_SPEC): Likewise.
4049         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
4050         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
4051         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
4052         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
4053         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
4054         -m64 causes deployment target to default to 10.5.
4055         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
4056
4057 2007-03-09  Richard Henderson  <rth@redhat.com>
4058
4059         PR target/26090
4060         * target.h (targetm.asm.out.reloc_rw_mask): New.
4061         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
4062         (TARGET_ASM_OUT): Use it.
4063         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
4064         * varasm.c (categorize_decl_for_section): Remove shlib argument;
4065         use the new reloc_rw_mask target hook instead.
4066         (default_section_type_flags_1): Merge into...
4067         (default_section_type_flags): ... here.
4068         (decl_readonly_section_1): Merge into...
4069         (decl_readonly_section): ... here.
4070         (default_elf_select_section_1): Merge into...
4071         (default_elf_select_section): ... here.
4072         (default_unique_section_1): Merge into...
4073         (default_unique_section): ... here.
4074         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
4075         (default_select_rtx_section): Use it.
4076         (default_elf_select_rtx_section): Likewise.
4077         * output.h: Update to match.
4078         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
4079         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
4080         (TARGET_ASM_RELOC_RW_MASK): New.
4081         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
4082         to categorize_decl_for_section.
4083         (x86_64_elf_unique_section): Likewise.
4084         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
4085         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
4086         (TARGET_ASM_RELOC_RW_MASK): New.
4087         * config/ia64/ia64.c (ia64_rwreloc_select_section,
4088         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
4089         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
4090         (TARGET_RWRELOC): Remove.
4091         (ia64_section_type_flags): Adjust call to default_section_type_flags.
4092         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4093         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
4094         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
4095         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
4096         (rs6000_xcoff_select_section): Use decl_readonly_section.
4097         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
4098         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4099         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
4100         (TARGET_SECTION_TYPE_FLAGS): Remove.
4101         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
4102
4103 2007-03-09  Roger Sayle  <roger@eyesopen.com>
4104
4105         * fold-const.c (fold_comparison): Remove compile-time evaluation of
4106         complex constant equality/inequality comparisons for here.
4107         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
4108         known at compile-time or can be simplified to a scalar comparison.
4109         (fold_relational_const): Move compile-time evaluation of complex
4110         constant equality/inequality comparisons to here.
4111
4112 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4113
4114         PR rtl-optimization/30643
4115         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
4116         dest_addr_elt.
4117         (fold_rtx): Recurse, like before 2006-11-03.
4118
4119 2007-03-09  DJ Delorie  <dj@redhat.com>
4120
4121         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
4122         m32c-pragma.o.
4123
4124 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
4125
4126         PR tree-optimization/30375
4127         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
4128         LHS of statements is not the same.
4129         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
4130
4131 2007-03-09  Chao-ying Fu  <fu@mips.com>
4132
4133         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
4134         REV 2.
4135         * doc/invoke.texi (-mdspr2): Document new option.
4136         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
4137         New unspec for DSP REV 2.
4138         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
4139         these instructions are extended in DSP REV 2.
4140         (mips-dspr2.md): Include.
4141         * config/mips/mips.opt (mdspr2): New option.
4142         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
4143         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
4144         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
4145         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
4146         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
4147         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
4148         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
4149         and 2 builtins.
4150         (bdesc_map): Add one field of unsupported_target_flags.
4151         (bdesc_arrays):  Update entries to have extra fields.  Add
4152         dsp_32only_bdesc.
4153         (mips_init_builtins): Initialize new function types.
4154         Check unsupported_target_fileds to filter out builtins.
4155         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
4156         TARGET_DSPR2.
4157         (ASM_SPEC): Pass mdspr2 to the assembler.
4158         * config/mips/mips-dspr2.md: New file.
4159
4160 2007-03-09  Sa Liu  <saliu@de.ibm.com>
4161
4162         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
4163
4164 2007-03-09  Ian Lance Taylor  <iant@google.com>
4165
4166         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
4167         argument) like -Wstrict-overflow=2.
4168         * doc/invoke.texi (Warning Options): Update documentation.
4169
4170 2007-03-09  Dirk Mueller  <dmueller@suse.de>
4171
4172         PR c++/17946
4173         * doc/invoke.texi (-Wlogical-op): Document.
4174         * common.opt (-Wlogical-op): New.
4175         * c-common.h (warn_logical_operator): Declare.
4176         * c-common.c (warn_logical_operator): Define.
4177         * c-typeck.c (parser_build_binary_op): Call
4178         warn_logical_operator.
4179
4180 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4181
4182         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
4183         * final.c (final_scan_insn): Test for non-"" file name.
4184
4185 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
4186
4187         * doc/loop.texi: Document the Omega linear constraints solver.
4188         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
4189         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
4190         omega-hash-table-size, omega-max-keys, and
4191         omega-eliminate-redundant-constraints.
4192         * tree-pass.h (pass_check_data_deps): Declared.
4193         * omega.c: New.
4194         * omega.h: New.
4195         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
4196         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
4197         pass_check_data_deps): New.
4198         * tree-data-ref.c (init_data_ref): Remove declaration.
4199         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
4200         (analyze_array): Renamed init_array_ref, move up initializations.
4201         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
4202         Removed arguments that are set to NULL.
4203         (analyze_indirect_ref): Correct indentation, correct call to
4204         init_pointer_ref.
4205         (object_analysis): Call init_array_ref instead of analyze_array.
4206         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
4207         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
4208         of DR_ACCESS_FNS_ADDR.
4209         (init_omega_eq_with_af, omega_extract_distance_vectors,
4210         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
4211         ddr_consistent_p): New.
4212         (compute_affine_dependence): Check consistency of ddrs when
4213         flag_check_data_deps is passed.
4214         (analyze_all_data_dependences): Uncomment.
4215         (tree_check_data_deps): New.
4216         * tree-data-ref.h: Include omega.h.
4217         (DR_ACCESS_FNS_ADDR): Removed.
4218         (data_dependence_relation): Add inner_loop.
4219         (DDR_INNER_LOOP): New.
4220         * common.opt (fcheck-data-deps): New.
4221         * tree-flow.h (tree_check_data_deps): Declare.
4222         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
4223         (OBJS-common): Depend on omega.o.
4224         (omega.o): Define.
4225         * passes.c (pass_check_data_deps): Scheduled.
4226         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
4227         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
4228         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
4229         PARAM_VECT_MAX_VERSION_CHECKS,
4230         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
4231
4232 2007-03-09  Richard Guenther  <rguenther@suse.de>
4233
4234         PR tree-optimization/30904
4235         PR middle-end/31058
4236         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
4237         the same way as *_DIV_EXPR.
4238
4239 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4240
4241         * recog.c (decode_asm_operands): No mixed declarations and code.
4242
4243 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4244
4245         * rtl.def (ASM_INPUT): Add location.
4246         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
4247         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
4248         (decode_asm_operands): Add loc operand.
4249         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
4250         * stmt.c (expand_asm): Rename to...
4251         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
4252         gen_rtx_ASM_INPUT_loc.
4253         (expand_asm_expr): Adjust.
4254         * recog.c (decode_asm_operands): Add loc operand.
4255         (check_asm_operands, extract_insn): Adjust.
4256         * reload1.c (maybe_fix_stack_asms): Likewise.
4257         * final.c (asm_insn_count): Likewise.
4258         (final_scan_insn): Output # line before and after asm.
4259
4260 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
4261
4262         * tree-ssa-structalias.c (variable_info): Remove
4263         finished_solution.
4264         (new_var_info): Ditto.
4265         (shared_bitmap_info_t): New structure.
4266         (shared_bitmap_table): New variable.
4267         (shared_bitmap_hash): New function.
4268         (shared_bitmap_eq): Ditto
4269         (shared_bitmap_lookup): Ditto.
4270         (shared_bitmap_add): Ditto.
4271         (merge_smts_into): Change to take bitmap directly.
4272         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
4273         (init_alias_vars): Init shared bitmap hashtable.
4274         (delete_points_to_sets): Delete shared bitmap hashtable.
4275         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
4276         is_aliased removal as a change that was still necessary was
4277         deleted.
4278
4279 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
4280
4281         * config/i386/i386.h (override_options): Conditionally disable
4282         x86_sahf for 64bit targets only.
4283
4284 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4285
4286         PR C/31072
4287         * c-decl.c (merge_decls): Don't call make_var_volatile.
4288         * varasm.c (make_var_volatile): Remove.
4289         * output.h (make_var_volatile): Remove.
4290
4291 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
4292
4293         PR tree-optimization/31085
4294         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
4295
4296 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4297
4298         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
4299         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
4300         ATTR_CONST_NOTHROW_LIST.
4301
4302         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4303         FIX_TRUNC_EXPR.
4304
4305 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
4306
4307         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
4308
4309 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
4310
4311         PR 31013
4312         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
4313         is declared.
4314         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
4315         passed, use shared libgcc.
4316
4317 2007-03-08  Roger Sayle  <roger@eyesopen.com>
4318
4319         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
4320         instead of calling build2 with a GIMPLE_MODIFY_STMT.
4321         (honor_protect_cleanup_actions, lower_try_finally_switch):
4322         Likewise.
4323         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
4324         ifc_temp_var): Likewise.
4325         * tree-inline.c (setup_one_parameter): Likewise.
4326         * tree-mudflap.c (mf_decl_cache_locals,
4327         mf_build_check_statement_for): Likewise.
4328         * tree-nested.c (init_tmp_var, save_tmp_var,
4329         finalize_nesting_tree_1): Likewise.
4330         * tree-outof-ssa.c (insert_copy_on_edge,
4331         insert_backedge_copies): Likewise.
4332         * tree-profile.c (tree_gen_edge_profiler,
4333         tree_gen_ic_profiler): Likewise.
4334         * tree-scalar-evolution.c (scev_const_prop): Likewise.
4335         * tree-sra.c (sra_build_assignment): Likewise.
4336         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
4337         * tree-ssa-math-opts.c (insert_reciprocals,
4338         execute_cse_sincos_1): Likewise.
4339         * tree-tailcall.c (adjust_accumulator_values,
4340         adjust_return_value): Likewise.
4341         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
4342         * tree-vect-transform.c (vect_create_data_ref_ptr,
4343         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
4344         vect_create_epilog_for_reduction, vectorizable_reduction,
4345         vectorizable_call, vectorizable_conversion,
4346         vectorizable_assignment, vectorizable_operation,
4347         vectorizable_type_demotion, vect_gen_widened_results_half,
4348         vect_permute_store_chain, vectorizable_store,
4349         vect_setup_realignment, vect_permute_load_chain,
4350         vectorizable_load, vectorizable_condition,
4351         vect_create_cond_for_align_checks): Likewise.
4352         * tree-vrp.c (build_assert_expr_for): Likewise.
4353
4354 2007-03-08  Ian Lance Taylor  <iant@google.com>
4355
4356         * tree-vrp.c: Include "intl.h".
4357         (usable_range_p): New static function.
4358         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
4359         overflowed values, juts set *strict_overflow_p.
4360         (compare_values): Only return -2 if one of the operands is not a
4361         constant.
4362         (compare_ranges): Call usable_range_p.
4363         (compare_range_with_value): Likewise.
4364         (vrp_evaluate_conditional_warnv): Rename from
4365         vrp_evaluate_conditional.  Make static.  Change all callers.
4366         (vrp_evaluate_conditional): New function.
4367         (simplify_div_or_mod_using_ranges): Issue warning about reliance
4368         on signed overflow.
4369         (simplify_abs_using_ranges): Likewise.
4370         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
4371         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
4372         within_stmt parameter.
4373         * tree-ssa-propagate.c (fold_predicate_in): Update call to
4374         vrp_evaluate_conditional.
4375         * tree-ssa-threadedge.c
4376         (record_temporary_equivalences_from_stmts_at_dest): Change
4377         simplify parameter to take a second tree parameter.
4378         (simplify_control_stmt_condition): Likewise.
4379         (thread_across_edge): Likewise.
4380         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
4381         (thread_across_edge): Likewise.
4382         * Makefile.in (tree-vrp.o): Depend upon intl.h.
4383
4384 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
4385
4386         * config/i386/i386.h (TARGET_SAHF): New define.
4387         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
4388         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
4389         (x86_sahf): New global variable.
4390         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
4391         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
4392         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
4393         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
4394         for 64-bit.
4395         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
4396         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
4397         when expanding fcomi/sahf based tests.
4398         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
4399         expanding sahf based alternative. Emit sahf based sequence when
4400         optimizing for code size.
4401         * config/i386/i386.md (x86_sahf_1): Do not disable for
4402         TARGET_64BIT, enable for TARGET_SAHF.
4403
4404 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
4405
4406         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
4407         spurious whitespace from error message.
4408
4409 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
4410
4411         PR c++/30852
4412         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
4413
4414 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
4415
4416         * c-decl.c (grokdeclarator): Disable warnings for anonymous
4417         bitfields.
4418         * tree-sra.c (instantiate_element): Propagate disabled warnings
4419         from the element itself to the created variable.
4420
4421 2007-03-07  Richard Henderson  <rth@redhat.com>
4422
4423         PR target/30848
4424         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
4425         silently fix up the stack in the case of a missing register.
4426
4427 2007-03-07  Paul Brook  <paul@codesourcery.com>
4428
4429         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
4430
4431 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
4432
4433         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
4434         New.
4435         (phase1_vrs): Use them.
4436         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
4437         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
4438         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
4439         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
4440         __gnu_Unwind_Restore_WMMXC if required.
4441         (_Unwind_VRS_Pop): Implement iWMMXt support.
4442         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
4443         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
4444         gnu_Unwind_Save_WMMXC): Define.
4445
4446 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
4447
4448         * config/vxworks.h (vxworks_override_options): Declare.
4449         (VXWORKS_OVERRIDE_OPTIONS): Use it.
4450         * config/vxworks.c: Include target.h and toplev.h.
4451         (vxworks_override_options): New function.
4452         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
4453
4454 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
4455
4456         * config/s390/s390.c (override_options): Don't emit an error when
4457         -mstack-size is used without providing -mstack-guard.
4458         (s390_emit_prologue): Choose stack_guard value automatically if not
4459         provided via command line.
4460         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
4461
4462 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
4463
4464         * config/i386/i386.c (output_set_got): Add a GOT initialization
4465         sequence for VxWorks PIC.
4466         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
4467         around labels as well as symbols.  Use gotoff_operand instead
4468         of local_symbolic_operand.
4469         (legitimize_pic_address): Use gotoff_operand instead of
4470         local_symbolic_operand.  Use @GOT accesses for labels as
4471         well as symbols.
4472         (ix86_output_addr_diff_elt): Use PC-relative rather than
4473         GP-relative offsets for VxWorks PIC.
4474         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
4475         no_new_pseudos.  Check whether the returned register is op0.
4476         * config/i386/i386.md (tablejump): Use PC-relative rather than
4477         GP-relative offsets for VxWorks PIC.
4478         * config/i386/predicates.md (gotoff_operand): New predicate.
4479
4480 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4481
4482         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
4483         before defining.
4484         * config/vxworks-dummy.h: New file.
4485         * config/i386/i386.h: Include it.
4486
4487 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
4488
4489         * dwarf2out.c (is_inlined_entry_point): New
4490         (add_high_low_attributes): Emit DW_AT_entry_pc along with
4491         DW_AT_ranges if the first subblock is the entry point.
4492
4493 2007-03-06  David Daney  <ddaney@avtrex.com>
4494
4495         * doc/install.texi (mips-*-*): Change recommended binutils
4496         version.
4497
4498 2007-03-06  Anatoly Sokolov <aesok@post.ru>
4499
4500         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
4501         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
4502         devices.
4503         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4504         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4505
4506 2007-03-06  Jan Hubicka  <jh@suse.cz>
4507
4508         * errors.h (warning, error, fatal, internal_error): Mark as cold.
4509         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
4510         are hot.
4511         (probably_cold_bb_p): Cold functions are cold.
4512         (probably_never_executed_bb_p): Cold functions are cold.
4513         (tree_bb_level_predictions): Predict calls to cold functions as not
4514         taken.
4515         (compute_function_frequency): Check hot/cold attributes.
4516         * function.h (function_frequency): Update comments.
4517         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
4518         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
4519         (c_common_att): Add cold and hot.
4520
4521         * doc/extend.texi (hot,cold attributes): Document.
4522
4523 2007-03-06  Andrew Haley  <aph@redhat.com>
4524
4525         * function.c (expand_function_end): Move blockage to just after we
4526         emit the label for the naked return from the function.
4527
4528 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4529
4530         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
4531         before redefining.
4532
4533 2007-03-06  Jan Hubicka  <jh@suse.cz>
4534
4535         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
4536         loaded for constant large models.  Non-large 64bit PIC can do.
4537         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
4538         * cmodel.h: Add LARGE PIC.
4539         * i386.md (UNSPEC_PLTOFF): New.
4540         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
4541         needed.
4542         (*call_1_rex64): Disable for large models.
4543         (*call_1_rex64_large): New.
4544         (*call_value_1_rex64): Disable for large models.
4545         (*call_value_1_rex64_large): New.
4546         (set_rip_rex4): New.
4547         (set_got_offset_rex64): New.
4548         * predicates.md (constant_call_address_operand): For large model
4549         constant calls are not possible.
4550         * i386-protos.h (construct_plt_address): Declare.
4551         * i386.c (override_options): Accept large models.
4552         (ix86_expand_prologue): Expand large PIC GOT pointer load.
4553         (legitimate_constant_p): Add new UNSPECs.
4554         (legitimate_pic_operand_p): Likewise.
4555         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
4556         (legitimize_pic_address): Do easy RIP relative way for TLS only for
4557         non-large model.
4558         (output_pic_addr_const): Add PLTOFF.
4559         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
4560         (ix86_expand_move): Legitimize pic address when in PIC mode.
4561         (construct_plt_address): New function.
4562         (ix86_expand_call): Offload the address to register and use GOT pointer
4563         for large model.
4564         * invoke.texi (mcmodel=large): Update documentation.
4565
4566 2007-03-06  Richard Henderson  <rth@redhat.com>
4567
4568         * config/i386/i386.c (x86_use_leave, x86_push_memory,
4569         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
4570         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
4571         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
4572         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
4573         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
4574         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
4575         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
4576         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
4577         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4578         x86_partial_reg_dependency, x86_memory_mismatch_stall,
4579         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
4580         x86_sse_partial_reg_dependency, x86_sse_split_regs,
4581         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
4582         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
4583         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
4584         x86_schedule, x86_use_bt, x86_pad_returns,
4585         x86_use_xchgb): Merge into ...
4586         (ix86_tune_features): ... here.  New array.
4587         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
4588         x86_bswap): Merge into ...
4589         (ix86_arch_features): ... here.  New array.
4590         (x86_3dnow_a): Remove.
4591         (x86_accumulate_outgoing_args): Make static.
4592         (x86_arch_always_fancy_math_387): Make static.
4593         (ix86_tune_mask, ix86_arch_mask): Move ...
4594         (override_options): ... to local variables here.  Apply the
4595         appropriate mask to each element of ix86_arch_features and
4596         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
4597         as were done in the old macros.
4598         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
4599         * config/i386/i386.h (x86_use_leave, x86_push_memory,
4600         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
4601         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
4602         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
4603         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
4604         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
4605         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
4606         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
4607         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
4608         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
4609         x86_partial_reg_dependency, x86_memory_mismatch_stall,
4610         x86_accumulate_outgoing_args, x86_prologue_using_move,
4611         x86_epilogue_using_move, x86_decompose_lea,
4612         x86_arch_always_fancy_math_387, x86_shift1,
4613         x86_sse_partial_reg_dependency, x86_sse_split_regs,
4614         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
4615         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
4616         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
4617         x86_use_incdec, x86_pad_returns, x86_bswap,
4618         x86_partial_flag_reg_stall): Remove.
4619         (enum ix86_tune_indices): New.
4620         (ix86_tune_features): New.
4621         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
4622         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
4623         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
4624         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
4625         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
4626         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
4627         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
4628         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
4629         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
4630         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
4631         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
4632         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
4633         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
4634         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
4635         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
4636         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
4637         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
4638         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
4639         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
4640         TARGET_EXT_80387_CONSTANTS): Use it.
4641         (enum ix86_arch_indices): New.
4642         (ix86_arch_features): New.
4643         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
4644         TARGET_BSWAP): Use it.
4645         (ix86_tune_mask, ix86_arch_mask): Remove.
4646
4647 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
4648
4649         PR bootstrap/31020
4650         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
4651         Define using $${sysroot_headers_suffix}.
4652         * configure: Regenerate.
4653         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
4654         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
4655         defined.
4656         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
4657         * gcc.c (print_sysroot_headers_suffix): New.
4658         (option_map): Include --print-sysroot-headers-suffix.
4659         (display_help): Mention -print-sysroot-headers-suffix.
4660         (process_command): Handle -print-sysroot-headers-suffix.
4661         (do_spec_1): Append multilib directory to include-fixed path if
4662         sysroot suffixes in use.
4663         (main): Handle -print-sysroot-headers-suffix.
4664         * Makefile.in (start.encap): Don't depend on xlimits.h
4665         (xlimits.h): Remove.
4666         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
4667         limits.h for each multilib in fixinc_list.
4668         (fixinc_list, s-fixinc_list): New.
4669         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
4670         generate them for each multilib in fixinc_list.
4671         (stmp-fixproto): Use include-fixed.  Run fixproto for each
4672         multilib in fixinc_list.
4673         (mostlyclean): Don't remove xlimits.h.
4674         (clean): Remove include-fixed.
4675         (real-install-headers-tar, real-install-headers-cpio,
4676         real-install-headers-cp): Don't copy include, only include-fixed.
4677         (install-mkheaders): Depend on fixinc_list.  Don't depend on
4678         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
4679         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
4680         SYSTEM_HEADER_DIR setting in mkheaders.conf.
4681
4682 2007-03-06  Jan Hubicka  <jh@suse.cz>
4683
4684         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
4685         NANs easilly.
4686
4687 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4688
4689         * configure.ac: Allow tm_file to contain build-directory files.
4690         * configure: Regenerate.
4691         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
4692         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
4693         * config/m68k/print-sysroot-suffix.sh: New file.
4694
4695 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4696
4697         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
4698         of pic_offset_table_rtx if reload_completed.
4699         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
4700         PIC_OFFSET_TABLE_REGNUM.
4701         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
4702         return true.
4703         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
4704         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
4705
4706 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4707
4708         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
4709         functions that call eh_return.
4710
4711 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4712
4713         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
4714         functions that need a constant pool.
4715
4716 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4717
4718         PR target/28181
4719         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
4720         (m68k_preferred_reload_class): Likewise.
4721         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
4722         (SECONDARY_RELOAD_CLASS): Define.
4723         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
4724         (LIMIT_RELOAD_CLASS): Delete.
4725         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
4726         registers from storing bytes.
4727         (m68k_secondary_reload_class): New function.
4728         (m68k_preferred_reload_class): Likewise.
4729
4730 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4731
4732         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
4733         leaf functions.
4734         (m68k_expand_prologue): Likewise.
4735
4736 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4737
4738         * config/m68k/m68k-protos.h (output_sibcall): Declare.
4739         (mips_expand_epilogue): Add a bool parameter.
4740         (m68k_legitimize_sibcall_address): Declare.
4741         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
4742         (m68k_expand_epilogue): Add a parameter to select between sibling
4743         and normal epilogues.  Only generate a return for the latter.
4744         (m68k_ok_for_sibcall_p): New function.
4745         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
4746         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
4747         (sibcall_value, *sibcall_value): Likewise.
4748         (*call, *call_value): Require !SIBLING_CALL_P.
4749         (epilogue): Update call to m68k_expand_epilogue.
4750         (sibcall_epilogue): New pattern.
4751         * config/m68k/predicates.md (const_call_operand): Say that this
4752         predicate applies to sibling calls too.
4753         (sibcall_operand): New predicate.
4754
4755 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4756
4757         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
4758         alternatives as movsi_cf.
4759         (movsf_cf_hard): Add commentary.
4760
4761 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
4762             Richard Sandiford  <richard@codesourcery.com>
4763
4764         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
4765         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
4766         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
4767         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
4768         as being live on exit from an interrupt function.
4769         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
4770         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
4771         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
4772         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
4773         (m68k_interrupt_function_p): Globalize.
4774         (m68k_compute_frame_layout): Remove reverse mask code.
4775         (m68k_emit_movem, m68k_set_frame_related): New functions.
4776         (m68k_output_function_prologue): Delete in favor of...
4777         (m68k_expand_prologue): ...this new function.
4778         (m68k_output_function_epilogue): Delete in favor of...
4779         (m68k_expand_epilogue): ...this new function.
4780         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
4781         functions.
4782         (print_operand): Handle %?.
4783         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
4784         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
4785         (prologue, epilogue): New patterns.
4786         (return): Turn into a define_expand.
4787         (*return): New pattern, derived from old "return" pattern.  Use rte
4788         rather than rts for interrupt functions.  Only use rtd if the pop
4789         count is nonzero.
4790         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
4791         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
4792         (link, *link, unlink, *unlink, load_got): Likewise.
4793
4794 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4795
4796         PR target/23482
4797         PR target/17114
4798         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
4799         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
4800         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
4801         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
4802         and m68k_matches_u_p.
4803         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
4804         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
4805         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
4806         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
4807         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
4808         (REG_STRICT_P): New macro.
4809         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
4810         PCREL_GENERAL_OPERAND_OK.
4811         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
4812         m68k_legitimate_base_reg_p.
4813         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
4814         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
4815         (PIC_CASE_VECTOR_ADDRESS): Update comment.
4816         * config/m68k/m68k.c (m68k_address): New structure.
4817         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
4818         (m68k_decompose_index, m68k_legitimate_constant_address_p)
4819         (m68k_jump_table_ref_p, m68k_decompose_address)
4820         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
4821         (m68k_matches_u_p): New functions.
4822         (print_operand_address): Rewrite to use m68k_decompose_index.
4823
4824 2007-03-05  David Taylor  <dtaylor@emc.com>
4825
4826         * gcc.c: Correct copyright date in --version output.
4827
4828 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4829
4830         * pa.md: In unamed move patterns, disparge copies between general
4831         and floating point registers using '?' modifier.  Don't include 'f'
4832         constraint for register preferences in DImode, SImode, HImode and
4833         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
4834         Remove constraints for copies between general and floating registers
4835         in soft-float DFmode pattern.
4836         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
4837         floating register.
4838         (movsf): Likewise.
4839
4840 2007-03-05  Mike Stump  <mrs@apple.com>
4841
4842         * c-common.c (targetcm): Add.
4843         * c-opts.c (c_common_handle_option): Handle language specific
4844         target options.
4845         * opts.c (handle_option): Verify language for target options, if
4846         any are given.
4847         * opth-gen.awk: Add CL_LANG_ALL.
4848         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
4849         (TARGETCM_INITIALIZER): Add.
4850         * target.h (struct gcc_targetcm): Add.
4851         (targetcm): Add.
4852         * targhooks.c (default_handle_c_option): Add.
4853         * targhooks.h (default_handle_c_option): Add.
4854         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
4855
4856         * config/darwin.opt (iframework): Add.
4857         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
4858         * config/darwin-c.c (handle_c_option): Add.
4859         (TARGET_HANDLE_C_OPTION): Add.
4860         (targetcm): Add.
4861         * doc/invoke.texi (Darwin Options): Add -iframework.
4862
4863 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4864
4865         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
4866         conversion.
4867
4868 2007-03-05  Ian Lance Taylor  <iant@google.com>
4869
4870         * c.opt (fgnu89-inline): New option.
4871         * c-opts.c (c_common_post_options): Set default value for
4872         flag_gnu89_inline.
4873         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
4874         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
4875         inline functions.
4876         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
4877         (grokdeclarator, start_function): Likewise.
4878         * c-cppbuiltin.c (c_cpp_builtins): Define either
4879         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
4880         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
4881         (C Dialect Options): Document -fgnu89-inline.
4882         * doc/extend.texi (Function Attributes): Explain what the
4883         gnu_inline attribute does.
4884         * doc/cpp.texi (Common Predefined Macros): Document
4885         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
4886
4887 2007-03-05  Ian Lance Taylor  <iant@google.com>
4888
4889         PR tree-optimization/31034
4890         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
4891         half-range if the other side is an overflow infinity.
4892
4893 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4894
4895         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
4896         (bfin*-linux-uclibc*): New configuration.
4897         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
4898         defining.
4899         * config/bfin/linux.h: New file.
4900         * config/bfin/libgcc-bfin.ver: New file.
4901         * config/bfin/t-bfin-uclinux: New file.
4902         * config/bfin/t-bfin-linux: New file.
4903         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
4904         (TARGET_OS_CPP_BUILTINS): New macro.
4905
4906 2007-03-05  Richard Guenther  <rguenther@suse.de>
4907
4908         * fold-const.c (fold_binary): Remove duplicate folding
4909         of comparison of non-null ADDR_EXPR against null.
4910
4911 2007-03-05  Richard Guenther  <rguenther@suse.de>
4912             Dorit Nuzman  <dorit@il.ibm.com>
4913
4914         PR tree-optimization/26420
4915         * tree-vectorizer.c (vectorize_loops): Bail out early if there
4916         are no loops in the function.  Only print the number of
4917         vectorized loops if it is greater than zero or we are supposed
4918         to print information about unvectorized loops.
4919
4920 2007-03-05  Revital Eres  <eres@il.ibm.com>
4921
4922         * gcc.dg/var-expand1.c: New test.
4923         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
4924         when an accumulator is expanded.
4925
4926 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4927
4928         PR other/30465
4929         * c-common.c (convert_and_check): Don't give warnings for
4930         conversion if 'expr' already overflowed.
4931
4932 2007-03-04  Roger Sayle  <roger@eyesopen.com>
4933
4934         PR middle-end/30744
4935         * fold-const.c (fold_comparison): Enforce type consistency when
4936         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
4937
4938 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
4939
4940         * tree-ssa-address.c (create_mem_ref): Do not put an expression
4941         containing a cast to the base of TARGET_MEM_REF.
4942
4943 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
4944
4945         * tree.c (tree_contains_struct_check_failed): Remove spurious
4946         whitespace from error message.
4947
4948 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
4949
4950         PR target/30406
4951         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
4952         instead of precision.
4953
4954 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
4955             Nathan Sidwell  <nathan@codesourcery.com>
4956
4957         * emit-rtl.c (find_auto_inc): New.
4958         (try_split): recreate REG_INC notes,
4959         Use regular for loops rather than whiles.
4960
4961 2007-03-03  Andreas Schwab  <schwab@suse.de>
4962
4963         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
4964         * configure: Regenerate.
4965
4966 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4967
4968         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
4969         flag_rounding_math, not flag_unsafe_math_optimizations.
4970
4971         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
4972         fold_build2.
4973         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
4974         alpha_fold_vector_minmax): Likewise.
4975         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
4976         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
4977
4978 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
4979
4980         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
4981         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
4982         if the lhs has side-effects.
4983         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
4984
4985 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
4986
4987         * config/i386/i386.h (TUNEMASK): Remove define.
4988         (ARCHMASK): Remove define.
4989         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
4990          Use ix86_arch_mask variable instead of ARCHMASK.
4991         * config/i386/i386.c (override_options): Ditto.
4992         (standard_80387_constant_p): Ditto.
4993
4994 2007-03-02  Ian Lance Taylor  <iant@google.com>
4995
4996         Used signed infinities in VRP.
4997         * tree-vrp.c (uses_overflow_infinity): New static function.
4998         (supports_overflow_infinity): New static function.
4999         (make_overflow_infinity): New static function.
5000         (negative_overflow_infinity): New static function.
5001         (positive_overflow_infinity): New static function.
5002         (is_negative_overflow_infinity): New static function.
5003         (is_positive_overflow_infinity): New static function.
5004         (is_overflow_infinity): New static function.
5005         (overflow_infinity_range_p): New static function.
5006         (compare_values_warnv): New function split out of compare_values.
5007         (compare_value): Call it.
5008         (set_value_range_to_nonnegative): Add overflow_infinity
5009         parameter.  Change caller.
5010         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
5011         Change callers.
5012         (vrp_expr_computes_nonzero): Likewise.
5013         (compare_ranges, compare_range_with_value): Likewise.
5014         (compare_name_with_value, compare_names): Likewise.
5015         (vrp_evaluate_conditional): Likewise.
5016         (set_value_range): Handle infinity
5017         (vrp_operand_equal_p, operand_less_p): Likewise.
5018         (extract_range_from_assert): Likewise.
5019         (vrp_int_const_binop): Likewise.
5020         (extract_range_from_binary_expr): Likewise.
5021         (extract_range_from_unary_expr): Likewise.
5022         (extract_range_from_comparison): Likewise.
5023         (extract_range_from_expr): Likewise.
5024         (dump_value_range): Likewise.
5025         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
5026         (test_for_singularity): Likewise.
5027         (vrp_int_const_binop): Remove inline qualifier.
5028         (adjust_range_with_scev): Add comment.
5029         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5030
5031 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
5032
5033         * tree-ssa-structalias.c (could_have_pointers): Tidy.
5034         (get_constraint_for): Likewise.
5035         (do_structure_copy): Likewise.
5036         (find_func_aliases): Fix references to MODIFY_EXPR.
5037         (intra_create_variable_infos): Tidy.
5038         * tree-ssa-operands.c (add_virtual_operand): Add argument
5039         IS_CALL_SITE.
5040         When adding members of alias sets, if IS_CALL_SITE is true and
5041         the symbol is not call-clobbered, skip it.
5042         Adjust all callers.
5043
5044 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5045
5046         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
5047         entry by means of emit_insn_at_entry.
5048
5049 2007-03-02  Richard Henderson  <rth@redhat.com>
5050
5051         * expr.h (promoted_input_arg): Remove decl.
5052         * function.c (promoted_input_arg): Merge into ...
5053         * combine.c (setup_incoming_promotions): ... only caller.
5054         Rearrange to avoid double loop.
5055
5056 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5057             Peter Bergner  <bergner@vnet.ibm.com>
5058             Janis Johnson  <janis187@us.ibm.com>
5059
5060         * config/rs6000/dfp.md: New file.
5061         * config/rs6000/rs6000.md: Include dfp.md.
5062         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
5063         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
5064         and TDmode decimal float modes in FP registers.
5065         (num_insns_constant): Likewise.
5066         (rs6000_legitimate_offset_address_p): Likewise.
5067         (rs6000_legitimize_address): Likewise.
5068         (rs6000_legitimize_reload_address): Likewise.
5069         (rs6000_legitimate_address): Likewise.
5070         (rs6000_emit_move): Likewise.
5071         (function_arg_boundary): Likewise.
5072         (function_arg_advance): Likewise.
5073         (rs6000_darwin64_record_arg_recurse): Likewise.
5074         (function_arg): Likewise.
5075         (rs6000_gimplify_va_arg): Likewise.
5076         (rs6000_split_multireg_move): Likewise.
5077         (rs6000_output_function_epilogue): Likewise.
5078         (rs6000_output_function_epilogue): Likewise.
5079         (rs6000_register_move_cost): Likewise.
5080         (rs6000_function_value): Likewise.
5081         (rs6000_libcall_value): Likewise.
5082
5083 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5084
5085         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
5086
5087 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5088
5089         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
5090         Use $MULTIDIR to choose between the kernel and RTP headers,
5091         and use $WIND_BASE and $WIND_USR to locate them.
5092
5093 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5094
5095         * config/i386/i386.c (override_options): Put initialization of
5096         ix86_tune_mask and ix86_arch_mask to the correct place.
5097
5098 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5099             Michael Meissner  <michael.meissner@amd.com>
5100
5101         PR target/31019
5102         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
5103         (ARCHMASK): Define.
5104         (TARGET_CMOVE): Use ARCHMASK.
5105         (TARGET_CMPXCHG): Ditto.
5106         (TARGET_CMPXCHG8B): Ditto.
5107         (TARGET_XADD): Ditto.
5108         (TARGET_BSWAP): Ditto.
5109         * config/i386/i386.c (ix86_tune_mask): New global variable.
5110         (ix86_arch_mask): Ditto.
5111         (override_options): Initialize ix86_tune_mask and
5112         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
5113         target_flags.
5114
5115 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5116
5117         PR 30992
5118         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
5119
5120 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
5121
5122         * target.h (init_dwarf_reg_sizes_extra): New target hook.
5123         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
5124         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
5125         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
5126         hook.
5127         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
5128         rs6000_init_dwarf_reg_sizes_extra): New.
5129         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
5130         SPE register high parts.
5131
5132 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
5133
5134         * Makefile.in: Add install-pdf target as
5135         copied from automake v1.10 rules.
5136         * configure.ac: Add install-pdf to target list.
5137         * configure: Regenerate.
5138
5139 2007-03-01  Paul Brook  <paul@codesourcery.com>
5140
5141         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
5142         modes to LDRD for DImode.
5143         (output_move_double): Fixup out of range ldrd/strd.
5144         (vfp_secondary_reload_class): Rename...
5145         (coproc_secondary_reload_class): ... to this.  Add wb argument.
5146         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
5147         coproc_secondary_reload_class for CLASS_IWMMXT.
5148         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
5149         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
5150
5151 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
5152
5153         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
5154         factor by the estimated number of iterations.
5155         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
5156         prefetch latency.
5157
5158         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
5159         decode_caches_intel, detect_caches_intel): New functions.
5160         (host_detect_local_cpu): Use detect_caches_amd and
5161         detect_caches_intel.
5162
5163 2007-03-01  Richard Henderson  <rth@redhat.com>
5164
5165         * expr.c (emit_move_complex_push): Export.
5166         (emit_move_complex_parts): Split out from ...
5167         (emit_move_complex): ... here.
5168         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
5169         * config/i386/i386.md (movcdi): New.
5170
5171 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
5172
5173         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
5174         size of mode1 to check for tieable modes in MMX case.
5175
5176 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
5177
5178         * Makefile.in (rtlanal.o): Depend on tree.h.
5179         * rtl.h (offset_within_section_p, split_const): Declare.
5180         * rtlanal.c: Include tree.h.
5181         (offset_within_block_p): New function, taken from
5182         mips_offset_within_object_p.
5183         (split_const): New function, taken from mips_split_const.
5184         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
5185         Declare.
5186         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
5187         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
5188         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
5189         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
5190         (m68k_illegitimate_symbolic_constant_p): New function.
5191         * config/m68k/m68k.md (movsi): Remove misleading predicates.
5192         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
5193         symbolic constant that might be outside the symbol's section,
5194         move the symbol first and then add the offset.
5195         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
5196         Override.
5197         * config/mips/mips.c (mips_split_const): Delete.
5198         (mips_offset_within_object_p): Delete.
5199         (mips_symbolic_constant_p): Use offset_within_section_p and
5200         split_const instead of mips_offset_within_object_p and
5201         mips_split_const.
5202         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
5203         (mips_legitimize_const_move, print_operand_reloc)
5204         (mips_dangerous_for_la25_p): Use split_const instead of
5205         mips_split_const.
5206
5207 2007-02-28  Eric Christopher  <echristo@apple.com>
5208
5209         * Makefile.in (install-include-dir): Don't rm -rf include.
5210
5211 2007-02-28  Richard Guenther  <rguenther@suse.de>
5212
5213         PR middle-end/30364
5214         * fold-const.c (fold_binary): Do not associate expressions
5215         with more than one variable for integer types that do not wrap.
5216
5217 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
5218
5219         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
5220         Delete, and replace with...
5221         (fold_builtin_call_array): This.  Update callers to use it.
5222         * fold-const.c (fold_build_call_list): Delete, and replace with...
5223         (fold_build_call_array): This.
5224         (fold_build_call_list_initializer): Delete, and replace with...
5225         (fold_build_call_array_initializer): This.
5226         * tree.h: Update declarations to reflect above changes.
5227
5228         * c-typeck.c (build_function_call): Store converted arguments
5229         in a stack-allocated array instead of building a list.
5230         (convert_arguments): Store arguments in the array passed in as an
5231         argument, and return the actual number of arguments.
5232         * c-format.c: (check_function_format): Pass arguments in an
5233         array instead of a list.
5234         * c-common.c (check_function_nonnull): Likewise.
5235         (check_function_sentinel): Likewise.
5236         (check_function_arguments): Likewise.
5237         * c-common.h: Update declarations to reflect above changes.
5238
5239 2007-02-28  Jan Hubicka  <jh@suse.cz>
5240
5241         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
5242         PRED_NEGATIVE_RETURN): Update outcomes.
5243
5244 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
5245
5246         * calls.c (emit_library_call_value_1): Handle partial registers
5247         correctly when building up CALL_INSN_FUNCTION_USAGE.
5248
5249 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5250
5251         * pa/predicates.md (move_src_operand): Allow zero for mode.
5252         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
5253         move pattern.
5254
5255 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
5256
5257         PR target/30970
5258         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
5259         *movv2df_internal): Enable pattern only for valid operand
5260         combinations.
5261         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
5262         tie only 128bit modes. For MMX registers, tie only 64bit modes.
5263
5264 2007-02-27  Mike Stump  <mrs@apple.com>
5265
5266         * config/darwin-crt3.c: Avoid compilation when compiling for a
5267         kext multilib.
5268
5269 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
5270
5271         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
5272         FIXED_INCLUDE_DIR.
5273         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
5274         for fixed headers and limits.h.
5275         (install-include-dir, install-headers-tar, install-headers-cpio,
5276         install-headers-cp, real-install-headers-tar,
5277         real-install-headers-cpio, real-install-headers-cp): Handle
5278         include-fixed as well as include.
5279         (install-mkheaders): Don't install files that go only in include
5280         not include-fixed.
5281         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
5282         from GCC_INCLUDE_DIR.
5283         * gcc.c (process_command): Remove special -BstageN/ handling.
5284         (do_spec_1): Add include-fixed directories.
5285
5286 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5287
5288         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
5289         _smulsi3_highpart.
5290         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
5291         New functions.
5292         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
5293         patterns.
5294
5295 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
5296
5297         * c-common.c (get_priority): Add check for
5298         SUPPORTS_INIT_PRIORITY.
5299
5300 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5301
5302         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
5303
5304         * config/bfin/bfin.c: Include "cfglayout.h".
5305         (MAX_LSETUP_DISTANCE): New macro.
5306         (struct loop_info): New members incoming, incoming_src and
5307         incoming_dest.  Delete member predecessor.
5308         (length_for_loop): New function.
5309         (bfin_optimize_loop): Handle more different loop structures.
5310         (bfin_discover_loop): Rework detection of predecessor blocks by
5311         examining incoming edges.
5312         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
5313         bfin_reorg_loops.
5314         (bfin_reorder_loops): New function.
5315         (bfin_reorg_loops): Use these three new functions.
5316
5317         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
5318         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
5319         (CONSTRAINT_LEN): Add entry for 'q'.
5320         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
5321         Add 'q' constraints.
5322         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
5323         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
5324
5325         * config/bfin/bfin.md (add_with_carry): New pattern.
5326         (s_or_u, su_optab, su_modifier): New code macros/attrs.
5327         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
5328         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
5329         support unsigned multiplies too.  Removed incorrect commutativity from
5330         operand 1 constraint where appropriate.
5331         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
5332         patterns.
5333         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
5334         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
5335         New patterns.
5336         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
5337         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
5338         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
5339         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
5340         usmulhisi_hh_huh): New patterns.
5341
5342         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
5343         lshifthi3): Fix output template to use half reg for operand 2.
5344
5345         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
5346         instead of R2.
5347
5348         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
5349
5350 2007-02-27  Andreas Schwab  <schwab@suse.de>
5351
5352         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
5353
5354 2007-02-27  Jan Hubicka  <jh@suse.cz>
5355
5356         * predict.c (last_basic_block_p): Remove.
5357         (tree_estimate_probability): Update return heuristic for commonized
5358         return blocks.
5359
5360 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5361
5362         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
5363
5364 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5365
5366         * doc/include/gcc-common.texi (versionsubtitle): New macro.
5367         * doc/cpp.texi: Standardize title page.
5368         * doc/cppinternals.texi: Likewise.
5369         * doc/gcc.texi: Standardize title page, remove version number
5370         from copyright page.
5371         * doc/gccint.texi: Likewise.
5372         * doc/install.texi: Standardize title page, add table of
5373         contents.
5374
5375 2007-02-26  Jan Hubicka  <jh@suse.cz>
5376
5377         * predict.def: Set outcomes according to more recent results.
5378         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
5379         Remove dead predictors.
5380         * predict.c (return_prediction): Fix pasto.
5381
5382 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5383
5384         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
5385         change; avoid a memory leak when returning early.
5386
5387 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
5388
5389         * c-decl.c (static_ctors): Move to c-common.c.
5390         (static_dtors): Likewise.
5391         (finish_function): Use c_record_cdtor_fn.
5392         (build_cdtor): Move to c-common.c.
5393         (c_write_global_declarations): Use c_build_cdtor_fns.
5394         * c-common.h (static_ctors): Declare.
5395         (static_dtors): Likewise.
5396         (c_record_cdtor_fn): Likewise.
5397         (c_build_cdtor_fns): Likewise.
5398         * c-common.c (static_ctors): New variable.
5399         (static_dtors): Likewise.
5400         (c_record_cdtor_fn): New function.
5401         (build_cdtor): Move from c-decl.c
5402         (c_build_cdtor_fns): New function.
5403
5404         * output.h (assemble_addr_to_section): Declare.
5405         (get_cdtor_priority_section): Likewise.
5406         * varasm.c (assemble_addr_to_section): New function.
5407         (get_cdtor_priority_section): Likewise.
5408         (default_named_section_asm_out_destructor): Use them.
5409         (destor_dtor_section_asm_out_destructor): Likewise.
5410         (default_named_section_asm_out_constructor): Likewise.
5411         (default_ctor_section_asm_out_constructor): Likewise.
5412         * config.gcc (*-*-vxworks*): Include vxworks.o.
5413         * config/t-vxworks (vxworks.o): New target.
5414         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
5415         (TARGET_ASM_CONSTRUCTOR): Define.
5416         (TARGET_ASM_DESTRUCTOR): Likewise.
5417         (vxworks_asm_out_constructor): Declare.
5418         (vxworks_asm_out_destructor): Likewise.
5419
5420         * c-common.c (get_priority): Check that we have not just an
5421         INTEGER_CST, but an integer constant with integeral type.
5422
5423 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
5424
5425         PR tree-optimization/30938
5426         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
5427         use &dt[nargs-1] instead of &dt[nargs] in the call to
5428         vect_is_simple_use().
5429
5430 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
5431
5432         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
5433         from register elimination as PRE_MODIFY / POST_MODIFY increments.
5434         Do not attempt to handle MEM inside auto-inc expressions.
5435         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
5436         of a register modified by an auto-inc expression.  However, do handle
5437         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
5438         (elimination_effects): Prohibit elimination of a register modified
5439         by an auto-inc expression.  Disable register elimination rules whose
5440         target register is modified by an auto-inc expression with variable
5441         increment.
5442
5443 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
5444
5445         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
5446         off-by-one error.
5447         (array_at_struct_end_p): New function.
5448         (idx_infer_loop_bounds): Use it.
5449         (estimate_numbers_of_iterations_loop): Export.
5450         * predict.c (predict_loops): Use estimated_loop_iterations_int.
5451         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
5452         (tree_estimate_probability): Call record_loop_exits.
5453         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
5454         (estimated_loop_iterations, estimated_loop_iterations_int,
5455         estimated_loop_iterations_tree): New functions.
5456         (analyze_siv_subscript_cst_affine,
5457         compute_overlap_steps_for_affine_1_2,
5458         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
5459         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
5460         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
5461         (PRED_LOOP_ITERATIONS_GUESSED): New.
5462         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
5463         * cfgloop.h (estimate_numbers_of_iterations_loop,
5464         estimated_loop_iterations_int): Declare.
5465
5466 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
5467
5468         * doc/extend.texi: Document optional priority argument to
5469         constructors and destructors.
5470         * tree.c (init_priority_for_decl): Adjust GTY markers.
5471         (init_ttree): Use priority-info hash functions for
5472         init_priority_for_decl.
5473         (tree_map_eq): Rename to ...
5474         (tree_map_base_eq): ... this.
5475         (tree_map_marked_p): Rename to ...
5476         (tree_map_base_marked_p): ... this.
5477         (tree_map_base_hash): New function.
5478         (decl_init_priority_lookup): Rework.
5479         (decl_fini_priority_lookup): New function.
5480         (decl_priority_info): New function.
5481         (decl_init_priority_insert): Use it.
5482         (decl_fini_priority_insert): Likewise.
5483         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
5484         hierarchy.
5485         (decl_restrict_base_insert): Likewise.
5486         (decl_debug_expr_insert): Likewise.
5487         (decl_value_expr_lookup): Likewise.
5488         (decl_value_expr_insert): Likewise.
5489         * tree.h (priority_type): New type.
5490         (decl_init_priority_lookup): Use priority_type.
5491         (decl_fini_priority_lookup): New function.
5492         (decl_init_priority_insert): Use priority_type.
5493         (decl_fini_priority_insert): New function.
5494         (DECL_HAS_INIT_PRIORITY): Tweak comments.
5495         (DECL_INIT_PRIORITY): Likewise.
5496         (SET_DECL_INIT_PRIORITY): Add comment.
5497         (DECL_FINI_PRIORITY): New macro.
5498         (SET_DECL_FINI_PRIORITY): Likewise.
5499         (DEFAULT_INIT_PRIORITY): Document.
5500         (MAX_INIT_PRIORITY): Likewise.
5501         (MAX_RESERVED_INIT_PRIORITY): Likewise.
5502         (tree_map_base): New type.
5503         (tree_map_base_eq): New function.
5504         (tree_map_base_hash): Likewise.
5505         (tree_map_base_marked_p): Likewise.
5506         (tree_map): Inherit from tree_map_base.
5507         (tree_map_eq): Make it a macro.
5508         (tree_map_marked_p): Likewise.
5509         (tree_int_map): Inherit from tree_map_base.
5510         (tree_int_map_eq): Make it a macro.
5511         (tree_int_map_hash): Likewise.
5512         (tree_int_map_marked_p): Likewise.
5513         (tree_priority_map): New type.
5514         (tree_priority_map_eq): New macro.
5515         (tree_priority_map_hash): Likewise.
5516         (tree_priority_map_marked_p): Likewise.
5517         * varasm.c (emults_decl): Adjust for refactoring of tree_map
5518         hierarchy.
5519         (emutls_common_1): Likewise.
5520         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
5521         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
5522         of tree_map hierarchy.
5523         * tree-cfg.c (move_stmt_r): Likewise.
5524         (new_label_mapper): Likewise.
5525         * c-tree.h (c_expand_body): Move to ...
5526         * c-common.h (c_expand_body): ... here.
5527         * c-decl.c (c_expand_body): Move to ...
5528         * c-common.c (c_expand_body): ... here.
5529         (c_common_attribute_table): Allow 1 argument for the constructor
5530         and destructor attributes.
5531         (get_priority): New function.
5532         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
5533         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
5534
5535 2007-02-24  Jan Hubicka  <jh@suse.cz>
5536
5537         PR middle-end/30509
5538         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
5539
5540 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
5541             Jan Hubicka  <jh@suse.cz>
5542
5543         PR target/30778
5544         * i386.c (counter_mode): New function.
5545         (expand_set_or_movmem_via_loop): Use it.
5546         (expand_movmem_epilogue): Likewise; fix pasto.
5547         (ix86_expand_movmem): Do emit guard even for constant counts.
5548         (ix86_expand_setmem): Likewise.
5549
5550 2007-02-25  Nick Clifton  <nickc@redhat.com>
5551
5552         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
5553         (JUMP_TABLES_IN_TEXT_SECTION): Define.
5554
5555 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
5556
5557         PR target/30770
5558         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
5559         count argument with 0x10, not with 0x16.
5560         (expand_setmem_epilogue): Ditto.
5561
5562 2007-02-24  Mike Stump  <mrs@apple.com>
5563
5564         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
5565         symbols.
5566
5567 2007-02-24  Richard Guenther  <rguenther@suse.de>
5568
5569         PR middle-end/30951
5570         * fold-const.c (fold_binary): Fold x +- CST op x for
5571         EQ_EXPR and NE_EXPR.
5572
5573 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5574
5575         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
5576
5577 2007-02-24  Jan Hubicka  <jh@suse.cz>
5578
5579         * cgraphunit.c (decide_is_function_needed): Honor
5580         -fkeep-inline-functions.
5581
5582 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5583
5584         * builtins.c (fold_builtin_modf): New.
5585         (fold_builtin_2): Use it.
5586
5587 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
5588
5589         * loop-iv.c (implies_p): Detect additional cases where A implies B.
5590         (determine_max_iter): Take additional LOOP arg; all callers changed.
5591         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
5592         one using simplifications.
5593         (simplify_using_initial_values): Return if the expression becomes
5594         invalid due to altered regs.
5595
5596 2007-02-23  DJ Delorie  <dj@redhat.com>
5597
5598         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
5599
5600 2007-02-23  Mike Stump  <mrs@apple.com>
5601
5602         * tlink.c (scan_linker_output): Parse linker messages from
5603         darwin9's linker better.
5604
5605 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
5606
5607         PR debug/29614
5608         * varpool.c (varpool_assemble_pending_decls):  Set
5609         varpool_last_needed_node to null.
5610
5611 2007-02-23  DJ Delorie  <dj@redhat.com>
5612
5613         * config/i386/i386.c (ix86_data_alignment): Don't specify an
5614         alignment bigger than the object file can handle.
5615
5616 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
5617
5618         PR target/30825
5619         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
5620         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
5621         (*movsf_1): Penalize MMX moves.
5622
5623 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
5624
5625         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
5626         2^32-1 or more times unless flag_unsafe_loop_optimizations.
5627
5628         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
5629
5630 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5631
5632         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
5633         (fold_builtin_1): Use them.
5634         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
5635         BUILT_IN_SIGNIFICAND.
5636
5637 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
5638
5639         * config/i386/i386.c (bdesc_1arg): Initialize
5640         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
5641         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
5642         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
5643         and IX86_BUILTIN_MOVSLDUP.
5644
5645 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
5646
5647         PR rtl-optimization/30841
5648         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
5649
5650 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5651
5652         * builtins.c (fold_builtin_frexp): New.
5653         (fold_builtin_2): Use it.
5654
5655 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
5656
5657         * doc/invoke.texi (Spec Files): Document getenv spec function.
5658
5659         * gcc.c (getenv_spec_function): New function.
5660         (static_spec_functions): Add it.
5661         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
5662         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
5663         header files.
5664
5665 2007-02-22  Michael Matz  <matz@suse.de
5666
5667         PR c++/29433
5668         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
5669         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
5670
5671 2007-02-22  Ian Lance Taylor  <iant@google.com>
5672
5673         PR debug/30898
5674         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
5675         (mem_loc_descriptor): Call it.
5676
5677 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
5678             Ira Rosen  <irar@il.ibm.com>
5679
5680         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
5681
5682 2007-02-22  Ira Rosen  <irar@il.ibm.com>
5683
5684         PR tree-optimization/30843
5685         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
5686         stores only after all the group is vectorized.
5687
5688 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
5689
5690         PR tree-optimization/30858
5691         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
5692         in the reduction cycle have a single use in the loop.
5693         * tree-vectorizer.h (relevant): Add documentation.
5694
5695 2007-02-20  Mike Stump  <mrs@apple.com>
5696
5697         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
5698         * configure: Regenerate.
5699
5700 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
5701
5702         Change the defaults of some parameters and options.
5703         * config/spu/spu-protos.h (spu_optimization_options): Declare.
5704         * config/spu/spu.c (spu_optimization_options): Add.
5705         (spu_override_options): Change params in spu_optimization_options.
5706         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
5707
5708         Register 127 is only 16 byte aligned when used as a frame pointer.
5709         * config/spu/spu-protos.h (spu_init_expanders): Declare.
5710         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
5711         HARD_FRAME_POINTER_REGNUM.
5712         (spu_legitimate_address):  Use regno_aligned_for_reload.
5713         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
5714         aligned when frame_pointer_needed is true.
5715         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
5716         to 8 bits.
5717         * config/spu/spu.h (INIT_EXPANDERS): Define.
5718
5719         Make sure shift and rotate instructions have valid immediate operands.
5720         * config/spu/predicates.md (spu_shift_operand): Remove.
5721         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
5722         * config/spu/constraints.md (W, O): Extend range.
5723         * config/spu/spu.md (umask, nmask): Define.
5724         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
5725         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
5726         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
5727         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
5728         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
5729         (lshr<mode>3_reg):  Fix rtl description.
5730
5731         Make sure mulhisi immediate operands are valid.
5732         * config/spu/predicates.md (imm_K_operand): Add.
5733         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
5734
5735         Generate constants using fsmbi and andi.
5736         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
5737         (print_operand, spu_split_immediate, classify_immediate,
5738         fsmbi_const_p): Handle IC_FSMBI2.
5739
5740         Correctly handle a CONST_VECTOR containing symbols.
5741         * config/spu/spu.c (print_operand): Handle HIGH correctly.
5742         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
5743         (immediate_load_p): Allow symbols that use 2 instructions to create.
5744         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
5745         with symbols when flag_pic is set.
5746         (const_vector_immediate_p): New.
5747         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
5748         accept a CONST_VECTOR with symbols.
5749         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
5750         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
5751         correctly.
5752         * config/spu/spu.md (high, low): Delete.
5753         (low_<mode>): Define.
5754
5755         Remove INTRmode and INTR_REGNUM, which didn't work.
5756         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
5757         of INTR_REGNUM.
5758         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
5759         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
5760         peephole2 pattern): Don't use INTR or 131.
5761         (movintrcc): Delete.
5762         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
5763         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
5764         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
5765         (UNSPEC_SET_INTR): Add.
5766         * config/spu/spu-modes.def (INTR): Remove.
5767
5768         More accurate warnings about run-time relocations.
5769         * config/spu/spu.c (reloc_diagnostic): Test in_section.
5770
5771         Correctly warn about immediate arguments to specific intrinsics.
5772         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
5773         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
5774         the instruction predicate.
5775
5776         Fix tree check errors with latest update.
5777         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
5778         CALL_EXPR_ARG.
5779         (spu_expand_builtin): Use CALL_EXPR_FN.
5780
5781         Add missing specific intrinsics.
5782         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
5783         si_bislede.
5784         * config/spu/spu_internals.h: Ditto.
5785
5786         Fix incorrect operand modifiers.
5787         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
5788         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
5789
5790         Optimize one case of zero_extend of a vec_select.
5791         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
5792
5793         Accept any immediate for hbr.
5794         * config/spu/spu.md (hbr):  Change s constraints to i.
5795
5796 2007-02-21  Paul Brook  <paul@codesourcery.com>
5797
5798         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
5799         condexec_count when skipping USE and CLOBBER.
5800
5801 2007-02-21  Nick Clifton  <nickc@redhat.com>
5802
5803         * common.opt (Warray-bounds): Add Warning attribute.
5804         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
5805         Likewise.
5806         (fsized-zeroes): Add Optimization attribute.
5807         (fsplit-wide-types, ftree-scev-cprop): Likewise.
5808         * c.opt (Wc++0x-compat): Add Warning attribute.
5809
5810 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
5811
5812         PR middle-end/30761
5813         * reload1.c (eliminate_regs_in_insn): In the single_set special
5814         case, attempt to re-recognize the insn before falling back to
5815         having reload fix it up.
5816
5817 2007-02-20  Eric Christopher  <echristo@gmail.com>
5818
5819         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
5820         Rewrite accordingly.
5821         (frv_read_iacc_argument): Ditto.
5822         (frv_expand_set_builtin): Take a call instead of arglist, update for
5823         above changes.
5824         (frv_expand_unop_builtin): Ditto.
5825         (frv_expand_binop_builtin): Ditto.
5826         (frv_expand_cut_builtin): Ditto.
5827         (frv_expand_binopimm_builtin): Ditto.
5828         (frv_expand_voidbinop_builtin): Ditto.
5829         (frv_expand_int_void2arg): Ditto.
5830         (frv_expand_prefetches): Ditto.
5831         (frv_expand_voidtriop_builtin): Ditto.
5832         (frv_expand_voidaccop_builtin): Ditto.
5833         (frv_expand_load_builtin): Ditto.
5834         (frv_expand_store_builtin): Ditto.
5835         (frv_expand_mdpackh_builtin): Ditto.
5836         (frv_expand_mclracc_builtin): Ditto.
5837         (frv_expand_mrdacc_builtin): Ditto.
5838         (frv_expand_mwtacc_builtin): Ditto.
5839         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
5840         calls for above.
5841
5842 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
5843
5844         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
5845         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
5846         cmpb instruction.
5847         (HAVE_GAS_DFP): Check for assembler support of decimal floating
5848         point instructions.
5849         * configure: Regenerate.
5850         * config.in: Regenerate.
5851         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
5852         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
5853         masks to power6 and power6x and to POWERPC_MASKS.
5854         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5855         _ARCH_PWR6.
5856         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
5857         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
5858         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
5859         Access PROTOTYPE as variable, not mask.
5860
5861 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
5862
5863         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
5864         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
5865         * combine.c (adjust_for_new_dest): Use it.
5866         * postreload.c (reload_combine): Likewise.
5867
5868 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
5869
5870         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
5871         notes on an insn with multiple sets, even if single_set returns
5872         non-NULL for that insn.
5873
5874 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5875
5876         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
5877         scalbn and scalbln.
5878
5879 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
5880
5881         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
5882         if user didn't pass it.
5883         * config/i386/darwin.h (CC1_SPEC): Likewise.
5884         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
5885         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
5886         -mmacosx-version-min.
5887
5888 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5889             Uros Bizjak  <ubizjak@gmail.com>
5890
5891         * optabs.h (enum optab_index): Add new OTI_scalb.
5892         (scalb_optab): Define corresponding macro.
5893         * optabs.c (init_optabs): Initialize scalb_optab.
5894         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
5895         patterns.
5896         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
5897         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
5898         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
5899         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
5900         flag_unsafe_math_optimizations is set.
5901
5902         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
5903         to implement scalbf, scalb and scalbl built-ins as inline x87
5904         intrinsics.
5905
5906 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5907             DJ Delorie <dj@redhat.com>
5908
5909         PR other/30824
5910         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
5911         (diagnostic_report_diagnostic): ... here, and turn them into real
5912         errors. If warnings are inhibited, no need to do anything.
5913
5914 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
5915
5916         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
5917         better code generation.
5918
5919 2007-02-20  Ben Elliston  <bje@au.ibm.com>
5920
5921         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
5922
5923 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
5924
5925         * config/alpha/alpha.c, config/alpha/alpha.md,
5926         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
5927         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
5928         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
5929         config/arm/lib1funcs.asm: Follow spelling conventions.
5930
5931         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
5932         config/fr30/fr30.md, config/i386/i386.h,
5933         config/iq2000/iq2000.h, config/iq2000/predicates.md,
5934         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
5935         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
5936         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
5937         config/rs6000/altivec.md, config/rs6000/rs6000.c,
5938         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
5939         config/sparc/sparc.c, config/sparc/sparc.h,
5940         config/sparc/sparc.md, config/spu/constraints.md,
5941         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
5942         conventions.
5943
5944 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
5945
5946         PR target/29943
5947         * varasm.c (use_blocks_for_decl_p): Return false for decls with
5948         alias attribute.
5949
5950 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
5951
5952         * doc/invoke.texi (-ftree-lrs): Remove.
5953
5954 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
5955
5956         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
5957         NULL.
5958
5959 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
5960
5961         * config/ia64/ia64.c (ia64_expand_builtin): Use the
5962         new CALL_EXPR_FN macro for retrieving the function
5963         declaration of the input expression.
5964
5965 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5966
5967         * c.opt (Waddress): New.
5968         * common.opt (Walways-true): Delete.
5969         (Wstring-literal-comparison): Delete.
5970         * doc/invoke.texi (Warning Options): Delete -Walways-true and
5971         -Wstring-literal-comparison. Add -Waddress.
5972         (Waddress): New.
5973         (Walways-true): Delete.
5974         (Wstring-literal-comparison): Delete.
5975         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
5976         consistently instead of -Walways-true in example.
5977         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
5978         * c-typeck.c (parser_build_binary_op): Replace
5979         -Wstring-literal-comparison and -Walways-true with -Waddress.
5980         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
5981         with -Waddress.
5982
5983 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
5984
5985         * tree-cfg.c (dump_function_to_file): Be prepared for functions
5986         without DECL_STRUCT_FUNCTION initialized.
5987
5988 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
5989
5990         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
5991         due to calls to functions taking pointers as parameters.
5992
5993 2007-02-19  Richard Henderson  <rth@redhat.com>
5994
5995         PR debug/29558
5996         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
5997         in memory.
5998
5999 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6000
6001         * config/s390/s390.c (s390_call_saved_register_used,
6002         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
6003         accessed to the new scheme.
6004
6005 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
6006
6007         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
6008         (cris_print_index, cris_print_operand, cris_print_operand_address)
6009         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
6010         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
6011         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
6012         GET_CODE () == xxx.
6013         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
6014         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
6015         GO_IF_LEGITIMATE_ADDRESS): Ditto.
6016         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
6017         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
6018         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
6019         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
6020         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
6021         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
6022         (uminsi3, call, call_value): Ditto.
6023         (define_split: indir_to_reg_split, unnamed): Ditto.
6024
6025 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
6026
6027         PR tree-optimization/30975
6028         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
6029         wrong assert.
6030
6031 2007-02-18  Eric Christopher  <echristo@gmail.com>
6032
6033         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
6034         Remove use of arglist.
6035         (mips_expand_builtin): Remove use of arglist, pass in expr.
6036         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
6037         (mips_expand_builtin_movtf): Ditto.
6038         (mips_expand_builtin_compare): Ditto.
6039
6040 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6041
6042         * tree-sra.c (sra_build_assignment): Replace assertion
6043         checking with a comment explaining why it can't be done.
6044
6045 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6046
6047         PR middle-end/30833
6048         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
6049         during CALL_EXPR representation conversion.
6050         * tree-ssa-propagate.c (set_rhs): Likewise.
6051
6052 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6053
6054         * tree-sra.c (sra_build_assignment): Disable assertion checking
6055         for now.
6056
6057 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6058
6059         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
6060         instead of calling build2 with a GIMPLE_MODIFY_STMT.
6061         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
6062         Likewise.
6063         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
6064         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
6065         gimplify_init_ctor_eval_range, gimple_push_cleanup,
6066         gimplify_omp_for, gimplify_omp_atomic_pipeline,
6067         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
6068         force_gimple_operand): Likewise.
6069         * ipa-cp.c (constant_val_insert): Likewise.
6070         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6071         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
6072         perfect_nestify): Likewise.
6073         * langhooks.c (lhd_omp_assignment): Likewise.
6074         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
6075         lower_copyprivate_clauses, lower_send_clauses,
6076         lower_send_shared_vars, expand_parallel_call,
6077         expand_omp_for_generic, expand_omp_for_static_nochunk,
6078         expand_omp_for_static_chunk, expand_omp_sections,
6079         lower_omp_single_copy, lower_omp_for_lastprivate,
6080         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
6081         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
6082         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
6083         Likewise.
6084
6085 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6086
6087         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
6088         config/sh/sh.md: Follow spelling conventions.
6089
6090         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
6091         config/frv/predicates.md: Follow spelling conventions.
6092
6093         * config/m68k/linux-unwind.h: Fix a comment typo.
6094         * target.h: Follow spelling conventions.
6095
6096 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6097
6098         PR rtl-optimization/28173
6099         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
6100         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
6101         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
6102         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
6103         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
6104
6105 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6106
6107         * builtins.c (fold_builtin_load_exponent): New.
6108         (fold_builtin_2): Use it.
6109
6110 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
6111
6112         PR rtl-optimization/30773
6113         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
6114         if we fail to attach a REG_EQUIV note.
6115
6116 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
6117             Roger Sayle  <roger@eyesopen.com>
6118
6119         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
6120
6121 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6122
6123         * calls.c (initialize_argument_information): Pass original EXP
6124         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
6125         code to split complex arguments here, as part of initializing the
6126         ARGS array.
6127         (expand_call): Remove code that builds a list of arguments and
6128         inserts implicit arguments into it.  Instead, just count how many
6129         implicit arguments there will be so we can determine the size of
6130         the ARGS array, and let initialize_argument_information do the work.
6131         (split_complex_values): Delete unused function.
6132
6133 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6134
6135         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
6136
6137 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6138
6139         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
6140         for arg pointer based indexed addressing.
6141
6142 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6143
6144         * config/ia64/ia64.h, config/ia64/ia64.md,
6145         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
6146         spelling conventions.
6147
6148 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6149
6150         * config/m68k/m68k.c (split_di): New.
6151         * config/m68k/m68k-protos.h: Declare split_di.
6152         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
6153           Improve predicate handling and split constant shifts.
6154
6155 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6156
6157         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
6158         parameter for register bitfield operations, general predicates
6159         cleanup
6160
6161 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6162
6163         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
6164         * config/m68k/linux-unwind.h: New file.
6165
6166 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6167
6168         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
6169         config/i386/athlon.md, config/ia64/ia64.md,
6170         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
6171         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
6172         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
6173         tree-ssa-loop-niter.c, tree-vect-analyze.c,
6174         tree-vect-transform.c: Fix comment typos.
6175
6176 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
6177
6178         * sched-deps.c (find_insn_list): Remove.
6179         * sched-int.h: Remove the prototype for find_insn_list.
6180
6181 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
6182
6183         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
6184         to linker.
6185         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
6186         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
6187         darwin_rs6000_override_options.
6188         (C_COMMON_OVERRIDE_OPTIONS): Expect
6189         darwin_macosx_version_min to be non-NULL always.
6190         (TARGET_C99_FUNCTIONS): Likewise.
6191         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
6192         (DARWIN_MINVERSION_SPEC): New.
6193         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
6194         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
6195         to cc1*.
6196         (DARWIN_MINVERSION_SPEC): New.
6197         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
6198         value.
6199         * config/darwin-c.c (darwin_cpp_builtins): Expect
6200         darwin_macosx_version_min to be non-NULL always.
6201
6202         * config/rs6000/rs6000.c: Clean up trailing whitespace.
6203
6204 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
6205
6206         * config/i386/i386.h (x86_use_xchgb): New.
6207         (TARGET_USE_XCHGB): New macro.
6208         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
6209         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
6210         Split after reload into bswaphi for shifts of 8.
6211         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
6212         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
6213         or when optimizing for size.
6214
6215 2007-02-16  Richard Guenther  <rguenther@suse.de>
6216             Christian Bruel  <christian.bruel@st.com>
6217
6218         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
6219         DECLs but prefer SSA_NAMEs over DECLs.
6220
6221 2007-02-16  Richard Guenther  <rguenther@suse.de>
6222
6223         * tree-flow-inline.h (single_imm_use_p): Remove.
6224         (zero_imm_uses_p): Likewise.
6225         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
6226         instead of single_imm_use_p.
6227         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
6228         zero_imm_uses_p.
6229
6230 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6231
6232         PR other/27843
6233         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
6234         nested double- and backquotes.
6235
6236 2007-02-15  Roger Sayle  <roger@eyesopen.com>
6237
6238         PR middle-end/30391
6239         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
6240         should be unreachable.
6241         (build2_stat): Allow construction of MODIFY_EXPR at any time.
6242         For the time being redirect GIMPLE_MODIFY_STMT to the new
6243         (renamed) build_gimple_modify_stmt_stat.
6244         (build2_gimple_stat): Rename to...
6245         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
6246         Always build a GIMPLE_MODIFY_STMT node.
6247         * tree.h (build2_gimple, build2_gimple_stat): Delete.
6248         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
6249         declarations.
6250
6251         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
6252         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
6253         * tree-complex.c (set_component_ssa_name, expand_complex_move,
6254         expand_complex_div_wide): Likewise.
6255         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
6256         * tree-ssa-loop-im.c (schedule_sm): Likewise.
6257         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
6258         * tree-ssa-loop-manip.c (create_iv): Likewise.
6259         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
6260         abs_replacement): Likewise.
6261         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
6262         realify_fake_stores): Likewise.
6263
6264         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
6265         node rather than a GIMPLE_MODIFY_STMT node.
6266         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
6267         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
6268         Likewise.
6269         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
6270         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
6271         GIMPLE_MODIFY_STMT.
6272
6273 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6274
6275         PR middle-end/30433
6276         * fold-const.c (fold_comparison): Add back the
6277         folding of constant complex comparisions.
6278
6279 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6280
6281         PR middle-end/30729
6282         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
6283         effects unknown to this function, return early.
6284
6285 2007-02-15  Ian Lance Taylor  <iant@google.com>
6286
6287         * lower-subreg.c (move_eh_region_note): New static function.
6288         (resolve_simple_move): Call it.
6289         (decompose_multiword_subregs): Track blocks for which we resolve a
6290         simple move which is also a control flow insn.  Pass them to
6291         find_many_sub_basic_blocks.
6292         (pass_lower_subreg): Add TODO_verify_flow.
6293         (pass_lower_subreg2): Likewise.
6294
6295 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6296             Brooks Moses  <brooks.moses@codesourcery.com>
6297             Lee Millward  <lee.millward@codesourcery.com>
6298
6299         * tree.h (enum tree_code_class): Add tcc_vl_exp.
6300         (VL_EXP_CLASS_P): New.
6301         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
6302         TREE_CODE_LENGTH.
6303         (TREE_OPERAND_CHECK_CODE): Likewise.
6304         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
6305         (TREE_RTL_OPERAND_CHECK): Likewise.
6306         (tree_operand_check_failed): Make second parameter the whole tree
6307         instead of its code.  Fixed callers.
6308         (VL_EXP_CHECK): New.
6309         (TREE_OPERAND_LENGTH): New.
6310         (VL_EXP_OPERAND_LENGTH): New.
6311         (CALL_EXPR_FN): New.
6312         (CALL_EXPR_STATIC_CHAIN): New.
6313         (CALL_EXPR_ARGS): New.
6314         (CALL_EXPR_ARG): New.
6315         (call_expr_nargs): New.
6316         (CALL_EXPR_ARGP): New.
6317         (build_nt_call_list): Declare.
6318         (build_vl_exp_stat): Declare.
6319         (build_vl_exp): New.
6320         (build_call_list): Declare.
6321         (build_call_nary): Declare.
6322         (build_call_valist): Declare.
6323         (build_call_array): Declare.
6324         (call_expr_arg): Declare.
6325         (call_expr_argp): Declare.
6326         (call_expr_arglist): Declare.
6327         (fold_build_call_list): Declare.
6328         (fold_build_call_list_initializer): Declare.
6329         (fold_call_expr): Declare to replace fold_builtin.
6330         (fold_builtin_fputs): Update to agree with modified definition.
6331         (fold_builtin_strcpy): Likewise.
6332         (fold_builtin_strncpy): Likewise.
6333         (fold_builtin_memory_chk): Likewise.
6334         (fold_builtin_stxcpy_chk): Likewise.
6335         (fold_builtin_strncpy_chk): Likewise.
6336         (fold_builtin_next_arg): Likewise.
6337         (fold_build_call_expr): Declare.
6338         (fold_builtin_call_list): Declare.
6339         (fold_builtin_call_valist): Declare.
6340         (build_call_expr): Declare.
6341         (validate_arglist): Update to agree with modified definition.
6342         (tree_operand_length): New.
6343         (call_expr_arg_iterator): New.
6344         (init_call_expr_arg_iterator): New.
6345         (next_call_expr_arg): New.
6346         (first_call_expr_arg): New.
6347         (more_call_expr_args_p): New.
6348         (FOR_EACH_CALL_EXPR_ARG): New.
6349
6350         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
6351         and tcc_gimple_stmt.
6352         (tree_code_size): Update documentation.  Use sizeof (tree) rather
6353         than sizeof (char *).
6354         (tree_size): Likewise.  Add case for tcc_vl_exp.
6355         (tree_node_structure): Add case for tcc_vl_exp.
6356         (contains_placeholder_p): Likewise.
6357         (substitute_in_expr): Likewise.
6358         (substitute_placeholder_in_expr): Likewise.
6359         (stabilize_reference_1): Likewise.
6360         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
6361         to diagnose breakage of this interface for constructing CALL_EXPRs.
6362         (build_nt): Add similar assertion here.
6363         (build_nt_call_list): New.
6364         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
6365         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
6366         TREE_CODE_LENGTH.
6367         (get_callee_fndecl): Use new CALL_EXPR accessors.
6368         (tree_operand_check_failed): Change parameters to pass entire node
6369         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
6370         (process_call_operands): New.
6371         (build_vl_exp_stat): New.
6372         (build_call_list): New.
6373         (build_call_nary): New.
6374         (build_call_valist): New.
6375         (build_call_array): New.
6376         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6377         (call_expr_arglist): New.
6378
6379         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
6380         tcc_vl_exp instead of a fixed-size tcc_expression.
6381
6382         * doc/c-tree.texi (CALL_EXPR): Document new representation and
6383         accessors for CALL_EXPRs.
6384         (AGGR_INIT_EXPR): Likewise.
6385
6386 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6387             Brooks Moses  <brooks.moses@codesourcery.com>
6388             Lee Millward  <lee.millward@codesourcery.com>
6389
6390         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
6391         (expand_builtin_nonlocal_goto): Change parameter to be entire
6392         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
6393         (expand_builtin_prefetch): Likewise.
6394         (expand_builtin_classify_type): Likewise.
6395         (mathfn_built_in): Return NULL_TREE instead of 0.
6396         (expand_errno_check): Use new CALL_EXPR accessors.
6397         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
6398         Return NULL_RTX instead of 0.
6399         (expand_builtin_mathfn_2): Likewise.
6400         (expand_builtin_mathfn_3): Likewise.
6401         (expand_builtin_interclass_mathfn): Likewise.
6402         (expand_builtin_sincos): Likewise.
6403         (expand_builtin_cexpi): Likewise.
6404         (expand_builtin_int_roundingfn): Likewise.
6405         (expand_builtin_int_roundingfn_2): Likewise.
6406         (expand_builtin_pow): Likewise.
6407         (expand_builtin_powi): Likewise.
6408         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
6409         of arglist, fixing callers appropriately.  Use new CALL_EXPR
6410         accessors and constructors.  Return NULL_RTX instead of 0.
6411         (expand_builtin_strstr): Likewise.
6412         (expand_builtin_strchr): Likewise.
6413         (expand_builtin_strrchr): Likewise.
6414         (expand_builtin_strpbrk): Likewise.
6415         (expand_builtin_memcpy): Likewise.
6416         (expand_builtin_mempcpy): Likewise.
6417         (expand_builtin_mempcpy_args): New.
6418         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
6419         (expand_builtin_memmove_args): New.
6420         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
6421         (expand_movstr): Likewise.
6422         (expand_builtin_strcpy): Likewise.
6423         (expand_builtin_strcpy_args): New.
6424         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
6425         (expand_builtin_strncpy): Likewise.
6426         (expand_builtin_memset): Likewise.
6427         (expand_builtin_memset_args): New.
6428         (expand_builtin_bzero): Similarly to expand_builtin_memset.
6429         (expand_builtin_memcmp): Likewise.
6430         (expand_builtin_strcmp): Likewise.
6431         (expand_builtin_strncmp): Likewise.
6432         (expand_builtin_strcat): Likewise.
6433         (expand_builtin_strncat): Likewise.
6434         (expand_builtin_strspn): Likewise.
6435         (expand_builtin_strcspn): Likewise.
6436         (expand_builtin_args_info): Likewise.
6437         (expand_builtin_va_start): Likewise.
6438         (gimplify_va_arg_expr): Likewise.
6439         (expand_builtin_va_end): Likewise.
6440         (expand_builtin_va_copy): Likewise.
6441         (expand_builtin_frame_address): Likewise.
6442         (expand_builtin_alloca): Likewise.
6443         (expand_builtin_bswap): Likewise.
6444         (expand_builtin_unop): Likewise.
6445         (expand_builtin_fputs): Likewise.
6446         (expand_builtin_expect): Likewise.
6447         (expand_builtin_fabs): Likewise.
6448         (expand_builtin_copysign): Likewise.
6449         (expand_builtin_printf): Likewise.
6450         (expand_builtin_fprintf): Likewise.
6451         (expand_builtin_sprintf): Likewise.
6452         (expand_builtin_init_trampoline): Likewise.
6453         (expand_builtin_signbit): Likewise.
6454         (expand_builtin_fork_or_exec): Likewise.
6455         (expand_builtin_sync_operation): Likewise.
6456         (expand_builtin_compare_and_swap): Likewise.
6457         (expand_builtin_lock_test_and_set): Likewise.
6458         (expand_builtin_lock_release): Likewise.
6459         (expand_builtin): Likewise.
6460         (builtin_mathfn_code): Likewise.
6461
6462         (fold_builtin_constant_p): Pass call arguments individually instead
6463         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6464         accessors and constructors.  Return NULL_TREE instead of 0.
6465         (fold_builtin_expect): Likewise.
6466         (fold_builtin_classify_type): Likewise.
6467         (fold_builtin_strlen): Likewise.
6468         (fold_builtin_nan): Likewise.
6469         (integer_valued_real_p): Likewise.
6470         (fold_trunc_transparent_mathfn): Likewise.
6471         (fold_fixed_mathfn): Likewise.
6472         (fold_builtin_cabs): Likewise.
6473         (fold_builtin_sqrt): Likewise.
6474         (fold_builtin_cbrt): Likewise.
6475         (fold_builtin_cos): Likewise.
6476         (fold_builtin_cosh): Likewise.
6477         (fold_builtin_tan): Likewise.
6478         (fold_builtin_sincos): Likewise.
6479         (fold_builtin_cexp): Likewise.
6480         (fold_builtin_trunc): Likewise.
6481         (fold_builtin_floor): Likewise.
6482         (fold_builtin_ceil): Likewise.
6483         (fold_builtin_round): Likewise.
6484         (fold_builtin_int_roundingfn): Likewise.
6485         (fold_builtin_bitop): Likewise.
6486         (fold_builtin_bswap): Likewise.
6487         (fold_builtin_logarithm): Likewise.
6488         (fold_builtin_hypot): Likewise.
6489         (fold_builtin_pow): Likewise.
6490         (fold_builtin_powi): Likewise.
6491         (fold_builtin_exponent): Likewise.
6492         (fold_builtin_memset): Likewise.
6493         (fold_builtin_bzero): Likewise.
6494         (fold_builtin_memory_op): Likewise.
6495         (fold_builtin_bcopy): Deleted; call site changed to invoke
6496         fold_builtin_memory_op directly.
6497         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
6498         (fold_builtin_strncpy): Likewise.
6499         (fold_builtin_memcmp): Likewise.
6500         (fold_builtin_strcmp): Likewise.
6501         (fold_builtin_strncmp): Likewise.
6502         (fold_builtin_signbit): Likewise.
6503         (fold_builtin_copysign): Likewise.
6504         (fold_builtin_isascii): Likewise.
6505         (fold_builtin_toascii): Likewise.
6506         (fold_builtin_isdigit): Likewise.
6507         (fold_builtin_fabs): Likewise.
6508         (fold_builtin_abs): Likewise.
6509         (fold_builtin_fmin_fmax): Likewise.
6510         (fold_builtin_carg): Likewise.
6511         (fold_builtin_classify): Likewise.
6512         (fold_builtin_unordered_cmp): Likewise.
6513
6514         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
6515         New functions split out from fold_builtin_1.
6516         (fold_builtin_n): New.
6517         (fold_builtin_varargs): New.
6518         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
6519         instead.
6520         (fold_call_expr): New.
6521         (build_function_call_expr): Rewrite to use new helper function.
6522         (fold_builtin_call_list): New.
6523         (build_call_expr): New.
6524         (fold_builtin_call_valist): New.
6525         (rewrite_call_expr): New.
6526         (validate_arg): New.
6527         (validate_arglist): Change parameter to be entire CALL_EXPR instead
6528         of an arglist.  Change return type to bool.  Use new CALL_EXPR
6529         accessors.
6530
6531         (fold_builtin_strstr):  Pass call arguments individually instead
6532         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6533         accessors and constructors.  Return NULL_TREE instead of 0.
6534         (fold_builtin_strchr): Likewise.
6535         (fold_builtin_strrchr): Likewise.
6536         (fold_builtin_strpbrk): Likewise.
6537         (fold_builtin_strcat): Likewise.
6538         (fold_builtin_strncat): Likewise.
6539         (fold_builtin_strspn): Likewise.
6540         (fold_builtin_strcspn): Likewise.
6541         (fold_builtin_fputs): Likewise.
6542         (fold_builtin_next_arg): Likewise.
6543         (fold_builtin_sprintf): Likewise.
6544
6545         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
6546         NULL_RTX instead of 0.
6547         (expand_builtin_memory_chk): Likewise.
6548         (maybe_emit_chk_warning): Likewise.
6549         (maybe_emit_sprintf_chk_warning): Likewise.
6550
6551         (fold_builtin_object_size): Pass call arguments individually instead
6552         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6553         accessors and constructors.  Return NULL_TREE instead of 0.
6554         (fold_builtin_memory_chk): Likewise.
6555         (fold_builtin_stxcpy_chk): Likewise.
6556         (fold_builtin_strncpy_chk): Likewise.
6557         (fold_builtin_strcat_chk): Likewise.
6558         (fold_builtin_strcat_chk): Likewise.
6559         (fold_builtin_strncat_chk): Likewise.
6560         (fold_builtin_sprintf_chk): Likewise.
6561         (fold_builtin_snprintf_chk): Likewise.
6562         (fold_builtin_printf): Likewise.
6563         (fold_builtin_vprintf): Likewise.
6564
6565         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
6566         constructors.
6567         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
6568         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6569         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
6570         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
6571         (fold_unary): Likewise.
6572         (fold_binary): Likewise.
6573         (fold_ternary): Remove CALL_EXPR case, since they are no longer
6574         ternary expressions.
6575         (fold): Add logic for tcc_vl_exp.
6576         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
6577         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6578         (fold_build3_stat): Add assertion to flag broken interface for
6579         constructing CALL_EXPRs.
6580         (fold_build_call_list): New.
6581         (fold_build_call_list_initializer): New.
6582         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
6583         constructors.
6584         (fold_strip_sign_ops): Likewise.
6585
6586 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6587             Brooks Moses  <brooks.moses@codesourcery.com>
6588             Lee Millward  <lee.millward@codesourcery.com>
6589
6590         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
6591         accessors and dump arguments explicitly.
6592
6593         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
6594         TREE_CODE_LENGTH.
6595         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
6596         explicitly.
6597         (print_call_name): Use new CALL_EXPR accessors.
6598
6599         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
6600         CALL_EXPR arguments explicitly instead of as a list.  Use
6601         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6602
6603         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
6604         (vrp_visit_stmt): Likewise.
6605
6606         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
6607         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
6608         TREE_CODE_LENGTH.
6609         (force_move_till_expr): Likewise.
6610
6611         * targhooks.c (default_external_stack_protect_fail): Use
6612         build_call_expr instead of build_function_call_expr.
6613         (default_hidden_stack_protect_fail): Likewise.
6614
6615         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
6616         build the call.
6617
6618         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
6619         and walk arguments explicitly.
6620
6621         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
6622         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6623         (expand_simple_operations): Likewise.
6624         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
6625
6626         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
6627         of TREE_CODE_LENGTH.
6628         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
6629
6630         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
6631         instead of TREE_CODE_LENGTH.
6632
6633         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
6634         (tree_ic_transform): Likewise.
6635         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
6636         parameter instead of arglist.  Fix callers.
6637         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
6638         (tree_stringops_transform): Likewise.
6639         (tree_indirect_call_to_profile): Likewise.
6640         (tree_stringops_values_to_profile): Likewise.
6641
6642         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
6643         (eliminate_tail_call): Likewise.
6644
6645         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
6646
6647         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
6648         Use TREE_OPERAND_LENGTH and generalize to handle any number of
6649         operands.
6650         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
6651
6652         * omp-low.c (build_omp_barrier): Use build_call_expr.
6653         (lower_rec_input_clauses): Likewise.
6654         (lower_reduction_clauses): Likewise.
6655         (expand_parallel_call): Likewise.
6656         (maybe_catch_exception): Likewise.
6657         (expand_omp_for_generic): Likewise.
6658         (expand_omp_for_static_nochunk): Likewise.
6659         (expand_omp_sections): Likewise.
6660         (lower_omp_single_simple): Likewise.
6661         (lower_omp_single_copy): Likewise.
6662         (lower_omp_master): Likewise.
6663         (lower_omp_ordered): Likewise.
6664         (lower_omp_critical): Likewise.
6665
6666         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
6667         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
6668
6669         * tree-gimple.c (is_gimple_call_addr): Fix doc.
6670         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
6671         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
6672
6673         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
6674         and generalize to handle any number of operands.
6675         (chrec_contains_undetermined): Likewise.
6676         (tree_contains_chrecs): Likewise.
6677         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
6678
6679         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
6680
6681         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
6682         fold_call_expr instead of fold_builtin.
6683         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
6684         match declarations there.
6685         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
6686         updates.
6687
6688         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
6689         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6690
6691         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
6692         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
6693
6694         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
6695         accessors.
6696
6697         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
6698         (execute_cse_sincos): Use new CALL_EXPR accessors.
6699
6700         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
6701
6702         * gimple-low.c (lower_function_body): Use build_call_expr.
6703         (lower_builtin_setjmp): Likewise.
6704
6705         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
6706         (set_storage_via_libcall): Likewise.
6707         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
6708         instead of TREE_CODE_LENGTH.
6709         (expand_expr_real_1): Use new CALL_EXPR accessors.
6710
6711         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
6712         generalize to handle any number of operands.
6713         (TB_parent_eq): Likewise.
6714
6715         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
6716         (strip_builtin_expect): Likewise.
6717
6718         * function.c (gimplify_parameters): Use build_call_expr.
6719
6720         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
6721         instead of TREE_CODE_LENGTH.
6722
6723         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
6724         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
6725
6726         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
6727         iterators.
6728
6729         * gimplify.c (build_stack_save_restore): Use build_call_expr.
6730         (gimplify_decl_expr): Likewise.
6731         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
6732         Use new CALL_EXPR iterators.
6733         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
6734         (gimplify_modify_expr_to_memset): Likewise.
6735         (gimplify_variable_sized_compare): Likewise.
6736         (gimplify_omp_atomic_fetch_op): Likewise.
6737         (gimplify_omp_atomic_pipeline): Likewise.
6738         (gimplify_omp_atomic_mutex): Likewise.
6739         (gimplify_function_tree): Likewise.
6740
6741         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
6742         (call_expr_flags): Likewise.
6743         (expand_call): Likewise.
6744
6745         * except.c (expand_builtin_eh_return_data_regno): Pass entire
6746         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
6747         accessors.
6748
6749         * coverage.c (create_coverage): Use build_call_expr.
6750
6751         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
6752         (temp_call_expr_obstack): New.
6753         (pool_copy_list): Delete.
6754         (temp_copy_call_expr): New.
6755         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
6756         CALL_EXPR accessors.  Get rid of special goo for copying argument
6757         lists and use temp_copy_call_expr instead.
6758         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
6759         CALL_EXPR accessors.
6760         (create_expression_by_pieces): Likewise.  Use build_call_array
6761         to construct the result instead of fold_build3.
6762         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
6763         dealing with argument lists.
6764         (init_pre): Remove references to expression_node_pool and
6765         list_node_pool.  Init temp_call_expr_obstack instead.
6766         (fini_pre): Remove references to expression_node_pool and
6767         list_node_pool.
6768
6769         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
6770         and walk arguments explicitly instead of as a list.
6771
6772         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
6773         (mx_register_decls): Likewise.
6774         (mudflap_register_call): Likewise.
6775         (mudflap_finish_file): Likewise.
6776
6777         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
6778         (ipa_callsite_compute_param): Likewise.
6779
6780         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
6781         accessors and constructor.
6782
6783         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
6784         accessors and constructor.
6785         (convert_tramp_reference): Likewise.
6786         (convert_call_expr): Likewise.
6787         (finalize_nesting_tree_1): Likewise.
6788
6789         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
6790         accessors.
6791
6792         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
6793
6794         * tree-inline.c (initialize_inlined_parameters): Pass entire
6795         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
6796         accessors.
6797         (estimate_num_insns_1): Use new CALL_EXPR accessors.
6798         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
6799
6800         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
6801         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6802         (vectorizable_reduction): Likewise.
6803         (vectorizable_call): Use new CALL_EXPR iterators.
6804         (vectorizable_conversion): Use build_call_expr.
6805         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
6806         (vect_gen_widened_results_half): Use build_call_expr.
6807         (vect_setup_realignment): Likewise.
6808         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
6809
6810         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
6811         (pass_through_call): Likewise.
6812         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
6813         fold_builtin.
6814
6815         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
6816         (tree_gen_pow2_profiler): Likewise.
6817         (tree_gen_one_value_profiler): Likewise.
6818         (tree_gen_ic_func_profiler): Likewise.
6819         (tree_gen_average_profiler): Likewise.
6820         (tree_gen_ior_profiler): Likewise.
6821
6822         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
6823         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
6824         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6825
6826         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
6827         of TREE_CODE_LENGTH.
6828
6829         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
6830         of TREE_CODE_LENGTH.
6831
6832         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
6833         constructor.
6834         (convert_to_integer): Likewise.
6835
6836         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
6837         accessors.
6838
6839 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6840             Brooks Moses  <brooks.moses@codesourcery.com>
6841             Lee Millward  <lee.millward@codesourcery.com>
6842
6843         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
6844         accessors.
6845         * config/frv/frv.c (frv_expand_builtin): Likewise.
6846         * config/s390/s390.c (s390_expand_builtin): Likewise.
6847
6848         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
6849         (sparc_expand_builtin): Use new CALL_EXPR accessors.
6850
6851         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
6852         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
6853         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
6854         (ix86_expand_store_builtin): Likewise.
6855         (ix86_expand_unop_builtin): Likewise.
6856         (ix86_expand_unop1_builtin): Likewise.
6857         (ix86_expand_sse_compare): Likewise.
6858         (ix86_expand_sse_comi): Likewise.
6859         (ix86_expand_vec_init_builtin): Likewise.
6860         (ix86_expand_vec_ext_builtin): Likewise.
6861         (ix86_expand_vec_set_builtin): Likewise.
6862         (ix86_expand_builtin): Use new CALL_EXPR accessors.
6863
6864         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
6865         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
6866
6867         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
6868         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
6869         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
6870
6871         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
6872         build_call_expr.
6873         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
6874         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
6875         arglist.  Use new CALL_EXPR accessors.  Fix callers.
6876         (altivec_expand_abs_builtin): Likewise.
6877         (rs6000_expand_binop_builtin): Likewise.
6878         (altivec_expand_predicate_builtin): Likewise.
6879         (altivec_expand_lv_builtin): Likewise.
6880         (spe_expand_stv_builtin): Likewise.
6881         (altivec_expand_stv_builtin): Likewise.
6882         (rs6000_expand_ternop_builtin): Likewise.
6883         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
6884         (altivec_expand_st_builtin): Likewise.
6885         (altivec_expand_dst_builtin): Likewise.
6886         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
6887         arglist.  Use new CALL_EXPR accessors.  Fix callers.
6888         (altivec_expand_vec_set_builtin): Likewise.
6889         (altivec_expand_vec_ext_builtin): Likewise.
6890         (altivec_expand_builtin): Use new CALL_EXPR accessors.
6891         (spe_expand_builtin): Likewise.
6892         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
6893         arglist.  Use new CALL_EXPR accessors.  Fix callers.
6894         (spe_expand_evsel_builtin): Likewise.
6895         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
6896         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
6897
6898         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
6899         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
6900         (arm_expand_unop_builtin): Likewise.
6901         (arm_expand_builtin): Use new CALL_EXPR accessors.
6902
6903         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
6904         accessors.
6905
6906         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
6907         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
6908         (bfin_expand_unop_builtin): Likewise.
6909         (bfin_expand_builtin): Use new CALL_EXPR accessors.
6910
6911 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6912             Brooks Moses  <brooks.moses@codesourcery.com>
6913             Lee Millward  <lee.millward@codesourcery.com>
6914
6915         * c-semantics.c (build_stmt): Add internal diagnostic check.
6916
6917         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
6918         accessors.  Print arguments explicitly instead of as a list.
6919
6920         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
6921
6922         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
6923         (c_finish_omp_flish): Likewise.
6924
6925         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
6926         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
6927         instead of TREE_CODE_LENGTH.
6928         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
6929         (c_warn_unused_result): Likewise.
6930
6931 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6932
6933         PR c/26494
6934         * doc/invoke.texi (Warning Options): Remove
6935         -Werror-implicit-function-declaration.
6936         (Wimplicit-function-declaration): Update description.
6937         * opts.c (common_handle_option): Move handling of -Werror=* to...
6938         (enable_warning_as_error): ...here.
6939         * opts.h (enable_warning_as_error): Declare.
6940         * c-decl.c (implicit_decl_warning): Unless
6941         -Wno-implicit-function-declaration is given, emit a pedwarn if
6942         -std=c99 or emit a warning if -Wimplicit-function-declaration.
6943         * c.opt (Wimplicit-function-declaration): Replace
6944         mesg_implicit_function_declaration with
6945         warn_implicit_function_declaration.
6946         * c-opts.c (c_common_handle_option):
6947         -Werror-implicit-function-declaration is exactly equal as
6948         -Werror=implicit-function-declaration.
6949         (set_Wimplicit): Replace mesg_implicit_function_declaration with
6950         warn_implicit_function_declaration.
6951         (c_common_post_options): -Wimplict-function-declaration is enabled
6952         by default by -std=c99, otherwise is disabled by default.
6953         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
6954
6955 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6956
6957         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
6958         DECL on the rhs to a DECL on the lhs for debug info purposes if the
6959         former is ignored but not the latter.
6960
6961 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6962
6963         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
6964         is made and the reference doesn't use the alias set of its type,
6965         do not create the temporary using that type.
6966
6967 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
6968
6969         * jump.c: Remove prototypes for delete_computation and
6970         delete_prior_computation.
6971
6972 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
6973
6974         * jump.c (get_label_after): Delete.
6975         (get_label_before, delete_computation, delete_jump,
6976         delete_prior_computation, follow_jumps): Move...
6977         * reorg.c (delete_computation, delete_prior_computation): ... here...
6978         (get_label_before, delete_jump): ... making these static ...
6979         (follow_jumps): ... and simplifying this since it only runs after
6980         reload.
6981         * rtl.h (get_label_after, get_label_before, delete_jump,
6982         follow_jumps): Delete prototypes.
6983
6984 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
6985
6986         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
6987
6988 2007-02-15  Nick Clifton  <nickc@redhat.com>
6989
6990         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
6991         order to prevent it from being munged by the target.
6992
6993 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
6994
6995         * config/i386/i386.md: Remove misleading comment.
6996
6997 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6998
6999         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
7000         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
7001         invalid patterns.
7002
7003 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7004
7005         * tree-sra.c (instantiate_missing_elements): Canonicalize
7006         bit-field types.
7007         (sra_build_assignment): New.
7008         (generate_copy_inout, generate_element_copy,
7009         generate_element_zero, generate_one_element_init): Use it.
7010
7011 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7012
7013         * tree-sra.c (instantiate_missing_elements): Canonicalize
7014         bit-field types.
7015         (sra_build_assignment): New.
7016         (generate_copy_inout, generate_element_copy,
7017         generate_element_zero, generate_one_element_init): Use it.
7018
7019 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7020
7021         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
7022         limbo die nodes.
7023
7024 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
7025
7026         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
7027         types as aggregates not scalars.
7028         * function.c (assign_stack_temp_for_type): Likewise.
7029
7030 2007-02-14  Roger Sayle  <roger@eyesopen.com>
7031             Zdenek Dvorak  <dvorakz@suse.cz>
7032
7033         * tree-dump.c (dump_switch_p_1): Require exact match of the option
7034         name.
7035
7036 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
7037
7038         * passes.c (next_pass_1): Clear the next field of the copied
7039         pass structure.
7040
7041 2007-02-14  Richard Henderson  <rth@redhat.com>
7042
7043         * tree-sra.c (early_sra): New.
7044         (decl_can_be_decomposed_p): Deny va_list if early_sra.
7045         (tree_sra_early, pass_sra_early): New.
7046         * tree-pass.h (pass_sra_early): Declare.
7047         * passes.c (init_optimization_passes): Use it.
7048
7049 2007-02-14  Richard Guenther  <rguenther@suse.de>
7050
7051         * flags.h (issue_strict_overflow_warning): Convert to a macro.
7052
7053 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
7054
7055          PR tree-optimization/30771
7056         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
7057         also phi nodes.
7058         (vect_analyze_operations): Induction phis can now be marked as
7059         used_in_loop.
7060         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
7061         Update documentation accordingly.
7062
7063 2007-02-14  Nick Clifton  <nickc@redhat.com>
7064
7065         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
7066         most 3 arguments are supported.
7067         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
7068
7069 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
7070
7071         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
7072         Ensure dst->current is valid.
7073
7074 2007-02-13  Paul Brook  <paul@codesourcery.com>
7075
7076         * config.gcc: Add arm*-*-uclinux-*eabi.
7077         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
7078         (SUBTARGET_EXTRA_LINK_SPEC): Define.
7079         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
7080         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
7081         (LINK_SPEC): Define.
7082         (LIB_SPEC): Define.
7083         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
7084         register.
7085         * config/arm/uclinux-eabi.h: New file.
7086         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
7087         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
7088         based targets.
7089
7090 2007-02-13  Ian Lance Taylor  <iant@google.com>
7091
7092         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
7093         * flags.h (warn_strict_overflow): Declare.
7094         (enum warn_strict_overflow_code): Define.
7095         (issue_strict_overflow_warning): New static inline function.
7096         * opts.c (warn_strict_overflow): New variable.
7097         (common_handle_option): Handle OPT_Wstrict_overflow and
7098         OPT_Wstrict_overflow_.
7099         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
7100         OPT_Wall.
7101         * fold-const.c: Include intl.h.
7102         (fold_deferring_overflow_warnings): New static variable.
7103         (fold_deferred_overflow_warning): New static variable.
7104         (fold_deferred_overflow_code): New static variable.
7105         (fold_defer_overflow_warnings): New function.
7106         (fold_undefer_overflow_warnings): New function.
7107         (fold_undefer_and_ignore_overflow_warnings): New function.
7108         (fold_deferring_overflow_warnings_p): New function.
7109         (fold_overflow_warning): New static function.
7110         (make_range): Add strict_overflow_p parameter.  Change all
7111         callers.
7112         (extract_muldiv, extract_muldiv_1): Likewise.
7113         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
7114         tree_expr_nonnegative_p.
7115         (fold_negate_expr): Call fold_overflow_warning.
7116         (fold_range_test): Likewise.
7117         (fold_comparison): Likewise.
7118         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
7119         instead of tree_expr_nonnegative_p.
7120         (tree_expr_nonnegative_warnv_p): Rename from
7121         tree_expr_nonnegative_p, add strict_overflow_p parameter.
7122         (tree_expr_nonnegative_p): New function.
7123         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
7124         strict_overflow_p parameter.
7125         (tree_expr_nonzero_p): New function.
7126         * passes.c (verify_interpass_invariants): New static function.
7127         (execute_one_pass): Call it.
7128         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
7129         warnings.
7130         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
7131         (estimate_numbers_of_iterations): Likewise.
7132         (scev_probably_wraps_p): Likewise.
7133         * tree-ssa-ccp.c: Include "toplev.h".
7134         (evaluate_stmt): Defer fold overflow warnings until we know we are
7135         going to optimize.
7136         (struct fold_stmt_r_data): Add stmt field.
7137         (fold_stmt_r): Defer fold overflow warnings until we know we
7138         optimized.
7139         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
7140         (fold_stmt_inplace): Likewise.
7141         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
7142         (cleanup_control_expr_graph): Defer fold overflow warnings until
7143         we know we are going to optimize.
7144         * tree-cfg.c (fold_cond_expr_cond): Likewise.
7145         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
7146         Likewise.
7147         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
7148         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
7149         * tree-ssa-loop-manip.c (create_iv): Likewise.
7150         * c-typeck.c (build_conditional_expr): Likewise.
7151         (build_binary_op): Likewise.
7152         * tree-vrp.c (vrp_expr_computes_nonzero): Call
7153         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
7154         (extract_range_from_unary_expr): Likewise.
7155         * simplify-rtx.c (simplify_const_relational_operation): Warn when
7156         assuming that signed overflow does not occur.
7157         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
7158         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
7159         (fold_defer_overflow_warnings): Declare.
7160         (fold_undefer_overflow_warnings): Declare.
7161         (fold_undefer_and_ignore_overflow_warnings): Declare.
7162         (fold_deferring_overflow_warnings_p): Declare.
7163         (tree_expr_nonzero_warnv_p): Declare.
7164         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
7165         of warning options.
7166         (Warning Options): Document -Wstrict-overflow.
7167         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
7168         (tree-ssa-ccp.o): Likewise.
7169         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
7170         (fold-const.o): Depend on intl.h.
7171
7172 2007-02-13  Ian Lance Taylor  <iant@google.com>
7173
7174         PR middle-end/30751
7175         * lower-subreg.c (resolve_simple_move): Decompose subregs in
7176         addresses.
7177
7178 2007-02-13  Stuart Hastings  <stuart@apple.com>
7179
7180         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
7181
7182 2007-02-13  Richard Henderson  <rth@redhat.com>
7183
7184         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
7185         handled_component_p before looking for the indirect_ref.
7186
7187 2007-02-13  Richard Henderson  <rth@redhat.com>
7188
7189         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
7190         remove flags clobber.
7191         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
7192         (bswaphi_lowpart): New.
7193         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
7194         remove TARGET_BSWAP test.  Delete expander of the same name.
7195
7196         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
7197         (expand_unop): Use them.
7198
7199 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
7200
7201         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
7202         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
7203         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
7204         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
7205         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
7206         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
7207         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
7208         assembler dialect choice from asm templates.
7209
7210 2007-02-12  Richard Henderson  <rth@redhat.com>
7211
7212         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
7213         (fixuns_trunc<SSEMODEF>si2): Use it.
7214         * config/i386/sse.md (vec_setv4sf_0): Export.
7215         * config/i386/i386.c (ix86_build_const_vector): Export.
7216         (ix86_split_convert_uns_si_sse): Rename from
7217         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
7218         * config/i386/i386-protos.h: Update.
7219
7220 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7221
7222         PR c/29521
7223         * c-typeck.c (c_finish_return): Improve warning message.
7224
7225 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7226
7227         * alias.c (find_symbolic_term): Delete unused function.
7228
7229 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
7230
7231         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
7232         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
7233         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
7234
7235 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7236
7237         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
7238         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
7239         the function, temporarily point the debug interface to the null one.
7240
7241 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7242
7243         * dwarf2out.c (round_up_to_align): New static function.
7244         (field_byte_offset): Use it to round the offset.
7245
7246 2007-02-12  Richard Henderson  <rth@redhat.com>
7247
7248         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
7249         (inswl_const): Export.
7250
7251 2007-02-12  Richard Henderson  <rth@redhat.com>
7252
7253         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
7254         result mode of the libcall, convert back to outmode.
7255
7256 2007-02-12  Roger Sayle  <roger@eyesopen.com>
7257
7258         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
7259         (bswapdi2): New define_expand to implement 32-bit implementation.
7260
7261 2007-02-12  Nick Clifton  <nickc@redhat.com>
7262
7263         * doc/invoke.texi (Overall Options): Document --help=.
7264         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
7265         (cc1_options): Pass --help= on to cc1.
7266         (display_help): Add description of --help=.
7267         (process_command): Add code to handle --help=.  Allow translated
7268         --help and --target-help switches to be passed on to compiler
7269         sub-process.
7270         (main): Remove unused if statement.
7271         * opts.c (columns): Remove.
7272         (LEFT_COLUMN): Define.
7273         (wrap_help): Add columns argument.
7274         (print_filtered_help): Change parameters to be an include bitmask,
7275         an exclude bitmask, an any bitmask and the column width.  Move the
7276         code to display the params list here.  Add code to display the
7277         status of options rather than their descriptions if the quiet flag
7278         is not active.
7279         (print_specific_help): Change parameters to be an include bitmask,
7280         an exclude bitmask and an any bitmask.  Move code to look up the
7281         column width here.  Decide upon the title for an options listing.
7282         (common_handle_options): Add code to handle --help=.  Adapt code
7283         for --help and --target-help to use the revised form of the
7284         print_specific_help function.
7285         (print_help): Delete.
7286         (print_param_help): Delete.
7287         (print_switch): Delete.
7288         * opts.h (cl_lang_count): Add prototype.
7289         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
7290         CL_MAX_OPTION_CLASS): New defines.
7291         * optc-gen.awk: Add construction of cl_lang_count.
7292         * c.opt: Add Warning attribute to warning options and Optimization
7293         attribute to optimization options.
7294         * common.opt: Likewise.
7295         Add --help=.
7296         Add -fhelp and -ftarget-help as aliases for the transformed --help
7297         and --target-help options.
7298         * opt-functions.awk: Add code to handle Warning and Optimization
7299         attributes.
7300
7301 2007-02-12  Richard Henderson  <rth@redhat.com>
7302
7303         * config/alpha/constraints.md: New file.
7304         * config/alpha/alpha.c: Include tm-constrs.h.
7305         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
7306         alpha_extra_constraint): Remove.
7307         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
7308         * config/alpha/alpha-protos.h: Update.
7309         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
7310         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
7311         (EXTRA_CONSTRAINT): Remove.
7312         * config/alpha/alpha.md: Include constraints.md.
7313         (adddi splitter): Use satisfies_constraint_*.
7314         * config/alpha/predicates.md (add_operand): Likewise.
7315         (sext_add_operand, addition_operation): Likewise.
7316
7317 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
7318
7319         PR tree-optimization/29145
7320         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
7321         in our handling of restrict qualified pointers.
7322
7323 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7324
7325         PR middle-end/7651
7326         * doc/invoke.texi (Wunused-value): Update description.
7327         (Wextra): Delete item.
7328         * opts.c (set_Wextra): Don't use the value of Wextra to set the
7329         value of Wunused-value.
7330         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
7331         (c_finish_stmt_expr): Don't check extra_warnings.
7332         (emit_side_effect_warnings): The caller is responsible to check
7333         warn_unused_value.
7334
7335 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7336             Matt Thomas  <matt@3am-software.com>
7337
7338         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
7339
7340 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7341
7342         * simplify-rtx.c (simplify_relational_operation_1): Optimize
7343         comparisons of POPCOUNT against zero.
7344         (simplify_const_relational_operation): Likewise.
7345
7346 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7347
7348         * doc/invoke.texi (Wextra): Delete outdated paragraph.
7349
7350 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7351
7352         * dwarf2out.c (root_type): Delete unused function.
7353
7354 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7355
7356         * genattrtab.c (contained_in_p): Delete unused function.
7357         (write_expr_attr_cache): Likewise.
7358
7359 2007-02-11  Jan Hubicka  <jh@suse.cz>
7360
7361         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
7362         previous patch.
7363
7364 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
7365
7366         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
7367         to add the REG_EQ* note.
7368         * see.c (see_merge_one_use_extension): Likewise.
7369         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
7370         turn REG_EQUAL notes into REG_EQUIV notes if the target
7371         register may have more than one set.
7372         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
7373         * gcse.c (try_replace_reg): Likewise.
7374         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
7375         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
7376         more than one REG_EQUIV note.
7377         * reload1.c (gen_reload): Use set_unique_reg_note.
7378
7379 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
7380
7381         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
7382         (ix86_builtin_conversion): New function.
7383
7384 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
7385
7386         PR target/29487
7387         * tree.h (DECL_REPLACEABLE_P): New macro.
7388         * except.c (set_nothrow_function_flags): Likewise.
7389
7390 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
7391             Ira Rosen  <irar@il.ibm.com>
7392             Dorit Nuzman  <dorit@il.ibm.com>
7393
7394         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
7395         * targhooks.c (default_builtin_vectorized_conversion): New.
7396         * targhooks.h (default_builtin_vectorized_function): New declaration.
7397         * target.h (struct vectorize): Add builtin_conversion field.
7398         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
7399         stmt_vec_info_type value.
7400         (vectorizable_conversion): New declaration.
7401         * tree-vect-analyze.c (vect_analyze_operations): Add
7402         vectorizable_conversion call.
7403         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
7404         * tree-vect-transform.c (vectorizable_conversion): New function.
7405         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
7406         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
7407         mode.
7408         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
7409         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
7410         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
7411         or ALTIVEC_BUILTIN_VCFSX.
7412
7413 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7414
7415         PR target/30634
7416         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
7417         CONST_DOUBLE and operand 0 is a hard register.
7418         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
7419         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
7420         is a hard floating-point register.
7421
7422 2007-02-10  Richard Henderson  <rth@redhat.com>
7423             Jakub Jelinek  <jakub@redhat.com>
7424             Alexandre Oliva  <aoliva@redhat.com>
7425
7426         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
7427         * builtin-types.def (BT_WORD): Make unsigned.
7428         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7429         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7430         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7431         * c-decl.c (grokdeclarator): Don't error if !have_tls.
7432         * c-parser.c (c_parser_omp_threadprivate): Likewise.
7433         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7434         emulated tls.
7435         * expr.c (emutls_var_address): New.
7436         (expand_expr_real_1): Expand emulated tls.
7437         (expand_expr_addr_expr_1): Likewise.
7438         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7439         * output.h (emutls_finish): Declare.
7440         * toplev.c (compile_file): Call it.
7441         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7442         address before wrapping in CONST.
7443         * varasm.c (emutls_htab, emutls_object_type): New.
7444         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7445         (get_emutls_object_name, get_emutls_object_type): New.
7446         (get_emutls_init_templ_addr, emutls_decl): New.
7447         (emutls_common_1, emutls_finish): New.
7448         (assemble_variable): When emulating tls, swap decls; generate
7449         constructor for the emutls objects.
7450         (do_assemble_alias): When emulating tls, swap decl and target name.
7451         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7452         for emulated tls.
7453         * varpool.c (decide_is_variable_needed): Look at force_output.
7454         Recurse for emulated tls.
7455         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
7456         with decide_is_variable_needed.
7457         * emutls.c: New file.
7458         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7459         tls_object for real tls.
7460
7461 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
7462
7463         PR rtl-optimization/29599
7464         * reload1.c (eliminate_regs_in_insn): Take the destination
7465         mode into account when computing the offset.
7466
7467 2007-02-09  Stuart Hastings  <stuart@apple.com>
7468             Richard Henderson  <rth@redhat.com>
7469
7470         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
7471         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
7472         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
7473         fixuns_truncdfhi2): New.
7474         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
7475         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
7476         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
7477         (floatunssidf2): Allow nonimmediate source.
7478         * config/i386/sse.md (movdi_to_sse): New.
7479         (vec_concatv2di): Drop '*'.
7480         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
7481         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
7482         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
7483         New.
7484         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
7485         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
7486         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
7487         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
7488         (ix86_build_signbit_mask): Fix decl of v, refactor to call
7489         ix86_build_const_vector.
7490         (x86_emit_floatuns): Rewrite.
7491
7492 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7493
7494         * genautomata.c (longest_path_length): Delete unused function.
7495         (struct state): Delete unused longest_path_length.
7496         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
7497         (get_free_state): Delete unused.
7498
7499 2007-02-09  Jan Hubicka  <jh@suse.cz>
7500
7501         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
7502         * doc/invoke.texi (inline-unit-growth): Update default value.
7503
7504         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
7505         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
7506         (rebuild_cgraph_edges): Likewise.
7507         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
7508         (dump_cgraph_node): Dump frequencies.
7509         (cgraph_clone_edge): Add frequency scales.
7510         (cgraph_clone_node): Add freuqnecy.
7511         * cgraph.h (cgraph_edge): Add freuqnecy argument.
7512         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
7513         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
7514         * tree-pass.h (TODO_rebuild_frequencies): New constant.
7515         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
7516         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
7517         (save_inline_function_body): Likewise.
7518         * ipa-inline.c: inluce rtl.h
7519         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
7520         (cgraph_edge_badness): Use frequencies.
7521         (cgraph_decide_recursive_inlining): Update clonning.
7522         (cgraph_decide_inlining_of_small_function): Dump frequency.
7523         * predict.c (estimate_bb_frequencies): Export.
7524         * predict.h (estimate_bb_frequencies): Declare.
7525         * tree-inline.c (copy_bb): Watch overflows.
7526         (expand_call_inline): Update call of cgraph_create_edge.
7527         (optimize_inline_calls): Use TODO flags to update frequnecies.
7528         * passes.h: Include predict.h
7529         (init_optimization_passes): Move profile ahead.
7530         (execute_function_todo): Handle TODO_rebuild_frequencies.
7531
7532 2007-02-09  Roger Sayle  <roger@eyesopen.com>
7533
7534         * config/alpha/alpha.c (emit_insxl): Force the first operand of
7535         the insbl or inswl pattern into a register.
7536
7537 2007-02-09  Roger Sayle  <roger@eyesopen.com>
7538
7539         * config/ia64/ia64.md (bswapdi2): New define_insn.
7540
7541 2007-02-09  Richard Henderson  <rth@redhat.com>
7542
7543         * config/i386/constraints.md (Ym): New constraint.
7544         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
7545         (movdi_1_rex64): Split sse and xmm general register moves from
7546         memory move alternatives.  Use conditional register constraints.
7547         (movsf_1, movdf_integer): Likewise.
7548         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
7549         (movdf_integer_rex64): New.
7550         (pushsf_rex64): Fix output constraints.
7551         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
7552         (sse2_stored): Likewise.
7553         (sse2_storeq_rex64): New.
7554         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
7555         amd and not generic.
7556         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
7557         for optimize_size.  Remove SF/DFmode hack.
7558
7559 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7560
7561         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
7562         (bit_SSE4a): New.
7563
7564 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
7565             Richard Sandiford  <richard@codesourcery.com>
7566
7567         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
7568         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
7569         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
7570         m68k/t-mlib to tmake_file.
7571         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
7572         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
7573         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
7574         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
7575         variable is not empty, add t-$m68k_arch_family to tmake_file.
7576         Add t-mlibs to tmake_file.
7577         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
7578         * config/m68k/t-cf: New file.
7579         * config/m68k/t-m68k: Likewise.
7580         * config/m68k/t-mlibs: Likewise.
7581         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7582         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7583         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
7584         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7585         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
7586         Delete.
7587         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
7588         (INSTALL_LIBGCC): Delete.
7589         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
7590         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7591         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7592         (M68K_MLIB_CPU): Define.
7593         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7594         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7595         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
7596
7597 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
7598             Richard Guenther  <rguenther@suse.de>
7599
7600         PR middle-end/23361
7601         * fold-const.c (fold_comparison): Handle obfuscated comparisons
7602         against INT_MIN/INT_MAX.
7603         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
7604         file if a loop is removed.
7605
7606 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
7607
7608         * calls.c (store_one_arg): Pass correct alignment to
7609         emit_push_insn for non-BLKmode values.
7610         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
7611         unaligned stack slot via a suitably aligned slot.
7612
7613 2007-02-08  DJ Delorie  <dj@redhat.com>
7614
7615         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
7616         warnings.
7617         (legal_subregs): Use unsigned char, make const.
7618         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
7619
7620 2007-02-08  Paul Brook  <paul@codesourcery.com>
7621
7622         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
7623         special interworking needed.
7624
7625 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
7626
7627         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
7628         conditional to __SSE2__.
7629         (Entries below should have been added to first ChangeLog
7630         entry for amdfam10 dated 2007-02-05)
7631         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
7632         defined.
7633         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
7634         defined.
7635         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
7636         defined.
7637
7638 2007-02-08  DJ Delorie  <dj@redhat.com>
7639
7640         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
7641         * config/m32c/m32c.c (legal_subregs): New.
7642         (m32c_illegal_subreg_p): New.
7643         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
7644         unsupported subregs of hard regs.
7645
7646 2007-02-08  Jan Hubicka  <jh@suse.cz>
7647
7648         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
7649         the same one; always update histograms.
7650
7651 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
7652
7653         * passes.c (init_optimization_passes): Tidy comment.
7654
7655 2007-02-08  Roger Sayle  <roger@eyesopen.com>
7656
7657         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
7658         strip zero_extend, bswap and rotates from POCOUNT's argument.
7659         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
7660         zero_extend and rotates from PARITY's argument.
7661         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
7662         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
7663         of an integer constant at compile-time.
7664
7665 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
7666
7667         PR 30562
7668         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
7669         Update all users.
7670         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
7671         users.
7672         (init_alias_info):
7673         * tree-ssa-live.c (remove_unused_locals): Do not remove
7674         TREE_ADDRESSABLE variables.
7675         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
7676         * tree-ssa-operands.c (add_virtual_operand): Remove argument
7677         FOR_CLOBBER.  Update all users.
7678         If VAR has an associated alias set, add a virtual operand for
7679         it if no alias is found to conflict with the memory reference.
7680
7681 2007-02-07  Jan Hubicka  <jh@suse.cz>
7682             Robert Kidd <rkidd@crhc.uiuc.edu>
7683
7684         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
7685
7686 2007-02-07  Ian Lance Taylor  <iant@google.com>
7687
7688         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
7689
7690 2007-02-07  Roger Sayle  <roger@eyesopen.com>
7691
7692         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
7693         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
7694         tablejumpdi, movsi_to_cr_one): Remove constraints from
7695         define_expand's match_operands.
7696
7697 2007-02-07  Roger Sayle  <roger@eyesopen.com>
7698
7699         * global.c (compute_regsets): Move declatation of "i" inside of
7700         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
7701
7702 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
7703
7704         PR c++/30703
7705         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
7706         of INDIRECT_REF <RESULT_DECL>.
7707
7708         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
7709
7710 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
7711             Kaz Kojima  <kkojima@gcc.gnu.org>
7712
7713         PR target/29746
7714         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
7715         properly.
7716         (sh_initialize_trampoline): Add parentheses to avoid a warning.
7717
7718 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
7719
7720         * doc/loop.texi: Document possibility not to perform disambiguation
7721         of loops with multiple latches.
7722         * cfgloopmanip.c (alp_enum_p): Removed.
7723         (add_loop): Handle subloops.  Use get_loop_body_with_size.
7724         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
7725         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
7726         the new forwarder block.
7727         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
7728         Handle the case latch is NULL.
7729         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
7730         when marking loop exits.
7731         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
7732         be modified.
7733         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
7734         disambiguate_loops_with_multiple_latches.
7735         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
7736         before fix_loop_structure.
7737         * cfgloop.c: Include pointer-set.h and output.h.
7738         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
7739         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
7740         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
7741         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
7742         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
7743         disambiguate_multiple_latches, get_loop_body_with_size,
7744         disambiguate_loops_with_multiple_latches): New functions.
7745         (flow_loop_dump): Dump multiple latch edges.
7746         (flow_loop_nodes_find): Handle loops with multiple latches.
7747         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
7748         (glb_enum_p): Modified.
7749         (get_loop_body): Use get_loop_body_with_size.
7750         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
7751         (AVOID_CFG_MODIFICATIONS): New constant.
7752         (disambiguate_loops_with_multiple_latches, add_loop,
7753         get_loop_body_with_size): Declare.
7754         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
7755
7756 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
7757
7758         PR inline-asm/28686
7759         * global.c (compute_regsets): New function.
7760         (global_alloc): Refactored ELIMINABLE_REGSET
7761         and NO_GLOBAL_ALLOC_REGS computation out.
7762         (rest_of_handle_global_alloc): Call compute_regsets()
7763         for non-optimizing case.
7764
7765 2007-02-06  Richard Henderson  <rth@redhat.com>
7766
7767         * config/i386/constraints.md (Y2): Rename from Y.
7768         (Yi): New constraint.
7769         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
7770         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
7771         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
7772         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
7773         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
7774         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
7775         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
7776         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
7777         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
7778         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
7779         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
7780         vec_extractv2si_1): Change Y constraints to Y2.
7781         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
7782         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
7783         Change Y constraints to Y2.
7784         (sse2_loadld): Change Y constraints to x.
7785
7786 2007-02-06  Roger Sayle  <roger@eyesopen.com>
7787
7788         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
7789         (parity<mode>2): New define_expand using rs6000_emit_parity.
7790         * config/rs6000/rs6000.c (rs6000_emit_popcount,
7791         rs6000_emit_parity): New functions.
7792         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
7793         rs6000_emit_parity): Prototype here.
7794
7795 2007-02-06  Ian Lance Taylor  <iant@google.com>
7796
7797         * lower-subreg.c (simple_move_operand): Reject CONST.
7798         (resolve_clobber): Call validate_change rather than directly
7799         assigning to XEXP (pat, 0).
7800
7801 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
7802
7803         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
7804         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
7805         (tree-cfg.o): Remove hashtab.h dependency.
7806
7807         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
7808         (struct ivopts_data): Change niters to pointer_map_t.
7809         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
7810         (niter_for_exit): Create pointer_map on demand.  Change for
7811         pointer_map API.
7812         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
7813         (free_loop_data): Destroy data->niters if created and reset field.
7814         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
7815         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
7816
7817         * tree-ssa-reassoc.c: Include pointer-set.h.
7818         (bb_rank): Change to long *.
7819         (operand_rank): Change to pointer_map_t.
7820         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
7821         (insert_operand_rank): Accept long.
7822         (operand_entry_hash, operand_entry_eq): Remove.
7823         (get_rank): Return long.  Adjust for changes above.
7824         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
7825         and operand_rank.
7826         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
7827
7828         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
7829         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
7830         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
7831         is not NULL.
7832         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
7833         directly since it cannot be NULL.
7834         (get_vi_for_tree): Rewrite for pointer_map API.
7835         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
7836         (init_alias_vars): Create vi_for_tree as pointer_map.
7837         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
7838
7839         * tree-cfg.c: Don't include hashtab.h.
7840         (edge_to_cases): Declare as pointer_map.
7841         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
7842         Delete.
7843         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
7844         (start_recording_case_labels): Create edge_to_cases as pointer_map.
7845         (end_recoding_case_labels): Cleanup edge_to_cases manually before
7846         destroying it.
7847         (record_switch_edge): Delete.
7848         (get_cases_for_edge): Adjust for pointer_map API, inline
7849         record_switch_edge (rewritten for new API), remove goto.
7850
7851 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
7852
7853         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
7854         * tree-nested.c: Include pointer-set.h.
7855         (var_map_elt, var_map_eq, var_map_hash): Delete.
7856         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
7857         to pointer_map_t's.
7858         (nesting_info_bitmap_obstack): New.
7859         (lookup_field_for_decl): Adjust for pointer_map API.
7860         (lookup_tramp_for_decl): Adjust for pointer_map API.
7861         (get_nonlocal_debug_decl): Adjust for pointer_map API.
7862         (get_local_debug_decl): Adjust for pointer_map API.
7863         (convert_nl_goto_reference): Adjust for pointer_map API.
7864         (convert_nl_goto_receiver): Adjust for pointer_map API.
7865         (create_nesting_tree): Create outside GGC space.  Create bitmap on
7866         the new obstack.  Create field_map and var_map as pointer_maps.
7867         (free_nesting_tree): Adjust for changes to create_nesting_tree.
7868         (root): Delete.
7869         (lower_nested_functions): Move root here, no need to NULL it.
7870         Initialize and release the obstack.
7871
7872 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
7873
7874         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
7875         Remove prototypes and make them non-static.
7876         (struct tree_int_map): Remove.
7877         * tree.h (struct tree_int_map): Move here, turning TO into an
7878         unsigned int.
7879         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
7880
7881         * tree.h (TREE_COMPLEXITY): Remove.
7882         (struct tree_exp): Remove complexity field.
7883         * tree.c (build1_stat): Don't set it.
7884
7885 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
7886             Victor Kaplansky  <victork@il.ibm.com>
7887
7888         * tree-vectorizer.c (vect_is_simple_use): Support induction.
7889         (vect_is_simple_reduction): Support reduction with induction as
7890         one of the operands.
7891         (vect_is_simple_iv_evolution): Fix formatting.
7892         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
7893         formatting.  Don't mark induction phis for vectorization.
7894         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
7895         * tree-vect-transform.c (get_initial_def_for_induction): New function.
7896         (vect_get_vec_def_for_operand): Support induction.
7897         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
7898         induction case.
7899         (vectorizable_reduction): Support reduction with induction as one of
7900         the operands.
7901         (vectorizable_type_demotion): Use def-type of stmt argument rather
7902         than dummy def-type.
7903
7904         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
7905         flag_tree_scev_cprop.
7906         * common.opt (tree-scev-cprop): New flag.
7907
7908         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
7909         call to vect_get_new_vect_var.
7910
7911 2007-02-06  Ira Rosen  <irar@il.ibm.com>
7912
7913         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
7914         vectype is not NULL.
7915         (vect_pattern_recog_1): Likewise.
7916
7917 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7918
7919         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
7920         (fold_negate_expr): Likewise.
7921
7922 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
7923
7924         PR debug/30189
7925         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
7926         even if cv-qualification is the same.
7927
7928 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
7929
7930         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
7931         __enable_execute_stack on completion.
7932
7933 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7934
7935         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
7936         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
7937         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
7938         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
7939         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
7940         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
7941         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
7942         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
7943
7944 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7945
7946         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
7947         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
7948         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
7949         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
7950         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
7951         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
7952         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
7953         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
7954         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
7955         umuldi3_highpart_rex64, umulsi3_highpart_insn,
7956         umulsi3_highpart_zext, smuldi3_highpart_rex64,
7957         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
7958         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
7959         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
7960         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
7961         sqrtextenddfxf2_i387): Added amdfam10_decode.
7962
7963         * config/i386/athlon.md (athlon_idirect_amdfam10,
7964         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
7965         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
7966         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
7967         athlon_ivector_store_amdfam10): New define_insn_reservation.
7968         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
7969         amdfam10.
7970
7971 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7972
7973         * config/i386/athlon.md (athlon_call_amdfam10,
7974         athlon_pop_amdfam10, athlon_lea_amdfam10): New
7975         define_insn_reservation.
7976         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
7977         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
7978         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
7979
7980 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7981
7982         * config/i386/athlon.md (athlon_sseld_amdfam10,
7983         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
7984         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
7985
7986 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7987
7988         * config/i386/athlon.md (athlon_sseins_amdfam10): New
7989         define_insn_reservation.
7990         * config/i386/i386.md (sseins): Added sseins to define_attr type
7991         and define_attr unit.
7992         * config/i386/sse.md: Set type attribute to sseins for insertq
7993         and insertqi.
7994
7995 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7996
7997         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
7998         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
7999         ssecomi_load_amdfam10, ssecomi_amdfam10,
8000         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
8001         define_insn_reservation.
8002         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
8003
8004 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8005
8006         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
8007         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
8008         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
8009         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
8010         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
8011         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
8012         define_insn_reservation.
8013
8014         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
8015         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
8016         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
8017         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
8018         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
8019
8020 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8021
8022         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
8023         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
8024         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
8025         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
8026         athlon_ssemul_load_k8): Added amdfam10.
8027
8028 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8029
8030         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
8031         (x86_sse_unaligned_move_optimal): New variable.
8032
8033         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
8034         m_AMDFAM10.
8035         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
8036         for unaligned vector SSE double/single precision loads for AMDFAM10.
8037
8038 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8039
8040         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
8041         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
8042         Define TARGET_CPU_DEFAULT_amdfam10.
8043         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
8044         (processor_type): Add PROCESSOR_AMDFAM10.
8045
8046         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
8047         processor_type in config/i386/i386.h.
8048         Enable imul peepholes for TARGET_AMDFAM10.
8049
8050         * config.gcc: Add support for --with-cpu option for amdfam10.
8051
8052         * config/i386/i386.c (amdfam10_cost): New variable.
8053         (m_AMDFAM10): New macro.
8054         (m_ATHLON_K8_AMDFAM10): New macro.
8055         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
8056         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
8057         x86_promote_QImode, x86_integer_DFmode_moves,
8058         x86_partial_reg_dependency, x86_memory_mismatch_stall,
8059         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
8060         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
8061         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
8062         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
8063         Enable/disable for amdfam10.
8064         (override_options): Add amdfam10_cost to processor_target_table.
8065         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
8066         processor_alias_table.
8067         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
8068         (ix86_adjust_cost): Add code for amdfam10.
8069
8070 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8071
8072         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
8073         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
8074         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
8075         * config/i386/i386.h: Add builtin definition for SSE4A.
8076         * config/i386/i386.md: Add support for ABM instructions
8077         (popcnt and lzcnt).
8078         * config/i386/sse.md: Add support for SSE4A instructions
8079         (movntss, movntsd, extrq, insertq).
8080         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
8081         Add -march=amdfam10 flag.
8082         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
8083         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
8084         and amdfam10.
8085         * doc/extend.texi: Add documentation for SSE4A builtins.
8086
8087 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
8088
8089         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
8090
8091 2007-02-05  Richard Guenther  <rguenther@suse.de>
8092
8093         * tree-vectorizer.h (vectorizable_function): Add argument type
8094         argument, change return type.
8095         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
8096         * tree-vect-transform.c (vectorizable_function): Handle extra
8097         argument, return vectorized function decl.
8098         (build_vectorized_function_call): Remove.
8099         (vectorizable_call): Handle calls with result and argument types
8100         differing.  Handle loop vectorization factor correctly.
8101         * targhooks.c (default_builtin_vectorized_function): Adjust for
8102         extra argument.
8103         * targhooks.h (default_builtin_vectorized_function): Likewise.
8104         * target.h (builtin_vectorized_function): Add argument type
8105         argument.
8106         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
8107         extra argument, allow vectorizing of lrintf.
8108         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
8109         documentation of target hook.
8110
8111 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
8112
8113         PR target/30665
8114         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
8115         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
8116         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
8117
8118 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8119
8120         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
8121         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
8122         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
8123         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
8124         before canonicalizing sincos to cexpi.
8125         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
8126
8127 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8128
8129         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
8130         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
8131         (alpha_init_builtins): Use alpha_add_builtins to process tables.
8132
8133 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8134
8135         * mips-tfile.c (initialize_init_file): Correct endianness test.
8136
8137 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
8138
8139         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
8140         the 'y' constraint.
8141
8142 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8143
8144         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
8145         saves in a PARALLEL before the register assignments.
8146
8147 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8148
8149         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
8150         DWARF_FRAME_RETURN_COLUMN to be a general register.
8151         * dwarf2out.c (init_return_column_size): New function, split from...
8152         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
8153         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
8154         to be nongeneral registers.
8155         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
8156         integer registers.
8157         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
8158         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
8159
8160 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8161
8162         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
8163
8164 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8165
8166         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
8167         (remove_path): Use can_remove_branch_p and remove_branch instead
8168         of loop_delete_branch_edge.
8169         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
8170         (tree_transform_and_unroll_loop): Remove dead branches immediately.
8171         Update profile using scale_dominated_blocks_in_loop.
8172         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
8173         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
8174         (can_remove_branch_p, remove_branch): Declare.
8175         * tree-cfg.c (tree_can_remove_branch_p): New function.
8176         (tree_cfg_hooks): Add tree_can_remove_branch_p.
8177         * cfgrtl.c (rtl_can_remove_branch_p): New function.
8178         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
8179
8180 2007-02-05  Jan Hubicka  <jh@suse.cz>
8181
8182         PR middle-end/30696
8183         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
8184         nodes in cgraph, don't remove offline copy of the function.
8185
8186 2007-02-04  Jan Hubicka  <jh@suse.cz>
8187
8188         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
8189         vectors might cause maybe_lookup_element_for_expr to be called
8190         on non-sra-candidate.
8191
8192 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8193
8194         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
8195         config/bfin/bfin.md, config/bfin/predicates.md: Follow
8196         spelling conventions.
8197
8198 2007-02-04  Richard Guenther  <rguenther@suse.de>
8199
8200         PR middle-end/30636
8201         * fold-const.c (try_move_mult_to_index): Make sure to not
8202         overflow one dimension of a multi-dimensional array access.
8203
8204 2007-02-04  Jan Hubicka  <jh@suse.cz>
8205
8206         * passes.c (init_optimization_passes): Reindent.
8207
8208 2007-02-04  Jan Hubicka  <jh@suse.cz>
8209             Eric Botcazou  <ebotcazou@adacore.com>
8210
8211         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
8212         (execute_fixup_cfg): Break out the abnormal goto code.
8213         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
8214         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
8215         (optimize_inline_calls): Call make_nonlocal_label_edges.
8216
8217 2007-02-04  Jan Hubicka  <jh@suse.cz>
8218
8219         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
8220         true when something was changed.
8221         (rename_ssa_copies): When something was changed, do
8222         TODO_remove_unused_locals.
8223         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
8224         add TODO_remove_unused_locals when instruction was removed.
8225
8226 2007-02-04  Jan Hubicka  <jh@suse.cz>
8227
8228         * ipa-inline.c (try_inline): Improve debug output; work on already
8229         inline edges too.
8230         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
8231         call try_inline for already inlined edges too when flattening;
8232         inline also functions that make callee growth but overall unit size
8233         reduce.
8234
8235 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8236
8237         * config/m32c/bitops.md, config/m32c/jump.md,
8238         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
8239         config/m32r/m32r.h, config/m32r/m32r.md,
8240         config/m32r/predicates.md, config/m68hc11/larith.asm,
8241         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
8242         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
8243         config/mips/mips-protos.h, config/mips/mips.c,
8244         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
8245         config/mn10300/mn10300.h, config/mn10300/predicates.md,
8246         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
8247         spelling conventions.
8248
8249         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
8250         Follow spelling conventions.
8251
8252 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
8253
8254         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
8255         warn about C++0x compatibility.
8256
8257 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8258
8259         * config/h8300/h8300.c, config/h8300/h8300.h,
8260         config/h8300/h8300.md: Follow spelling conventions.
8261
8262 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
8263
8264         PR middle-end/30667
8265         * combine.c (try_combine): Do not substitute source operand
8266         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
8267
8268 2007-02-03  Jan Hubicka  <jh@suse.cz>
8269
8270         PR gcov-profile/30650
8271         * value-prof.c (stringop_block_profile): Fix handling of size counter;
8272         do not divide by zero for never executed counters.
8273         (tree_find_values_to_profile): Fix counters.
8274         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
8275
8276 2007-02-03  Ian Lance Taylor  <iant@google.com>
8277
8278         * lower-subreg.c (simple_move_operand): New static function,
8279         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
8280         operands.
8281         (simple_move): Call simple_move_operand.
8282         (find_decomposable_subregs): Add special handling of MEMs.
8283         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
8284         meaning of return value.  If we see a hard register, test whether
8285         it can store a word_mode value.  Change all callers.
8286
8287 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8288
8289         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
8290         ftrapv insns and expanders.
8291         (subdi3): Change define_expand operand 1 to arith11_operand, and
8292         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
8293         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
8294         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
8295         respectively.
8296
8297         PR middle-end/30174
8298         * varasm.c (notice_global_symbol): Treat global objects as weak when
8299         flag_shlib is true.
8300
8301 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8302
8303         * emit-rtl.c (dconstpi): Delete.
8304         (dconstsqrt2): New.
8305         (init_emit_once): Delete dconstpi and init dconstsqrt2.
8306         * real.h (dconstpi): Delete.
8307         (dconstsqrt2): New.
8308         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
8309         (fold_builtin_hypot): Likewise.
8310
8311 2007-02-03  Tom Tromey  <tromey@redhat.com>
8312
8313         PR driver/30246
8314         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
8315         -gcoff3, -gxcoff3, -gvms3 implies -dD.
8316
8317 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
8318
8319         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
8320         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
8321         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
8322         config/rs6000/cell.md, config/rs6000/darwin.h,
8323         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
8324         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
8325         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
8326         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
8327         typos.  Follow spelling conventions.
8328         * doc/invoke.texi: Follow spelling conventions.
8329
8330 2007-02-03  Roger Sayle  <roger@eyesopen.com>
8331
8332         * simplify-rtx.c (simplify_relational_operation_1): Implement some
8333         canonicalization transformations that attempt to simplify integer
8334         constant comparisons to become comparisons against zero.
8335
8336 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8337
8338         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
8339         fabs(x)*sqrt(2).
8340         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
8341         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
8342
8343 2007-02-02  Mike Stump  <mrs@apple.com>
8344
8345         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
8346         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
8347         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
8348         generate a branch island.
8349
8350 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
8351
8352         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
8353         (xtensa_legitimate_address_p): New.
8354         (xtensa_legitimize_address): New.
8355         (xtensa_output_addr_const_extra): New.
8356         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
8357         (BASE_REG_P): New.
8358         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
8359         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
8360         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
8361         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
8362         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
8363         (xtensa_legitimize_address): New.
8364         (xtensa_output_addr_const_extra): New.
8365
8366 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
8367
8368         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
8369
8370 2007-02-02  Ian Lance Taylor  <iant@google.com>
8371
8372         * expmed.c (expand_divmod): Add comment.
8373
8374 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
8375
8376         * emit-rtl.c (renumber_insns): Remove.
8377         * flags.h: Remove the extern for flag_renumber_insns.
8378         * rtl.h: Remove the prototype for renumber_insns.
8379         * toplev.c (flag_renumber_insns): Remove.
8380
8381 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
8382
8383         Revert for x86 darwin:
8384         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
8385
8386         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
8387         code before the following patch under TARGET_MACHO.
8388         (ix86_function_value_regno_p): Likewise.
8389
8390 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8391
8392         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
8393         COMPLEX_EXPR.
8394
8395 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8396
8397         PR target/29682
8398         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
8399         general or fp registers.  Add comments.
8400         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
8401
8402 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
8403
8404         * pointer-set.c (insert_aux): Only return insertion slot.
8405         (pointer_set_insert): Adjust.
8406         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
8407         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
8408         pointer_map_traverse): New.
8409         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
8410         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
8411         pointer_map_contains, pointer_map_traverse): Declare.
8412
8413 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
8414
8415         PR middle-end/30473
8416         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
8417         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
8418
8419 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8420
8421         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
8422
8423         (struct _dep): New type.
8424         (dep_t): New typedef.
8425         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
8426         (DEP_STATUS): New access macro.  The macro with the same name was
8427         renamed to DEP_LINK_STATUS.
8428         (dep_init): Declare function
8429
8430         (struct _dep_link): New type.
8431         (dep_link_t): New typedef.
8432         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
8433         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
8434         (DEP_LINK_STATUS): New macro.
8435         (debug_dep_links): New debug function.
8436
8437         (struct _deps_list): New type.
8438         (deps_list_t): New typedef.
8439         (DEPS_LIST_FIRST): New access macro.
8440         (FOR_EACH_DEP_LINK): New cycle macro.
8441         (create_deps_list, free_deps_list, delete_deps_list): Declare
8442         functions.
8443         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
8444         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
8445         (copy_deps_list_change_con): Ditto.
8446
8447         (move_dep_link): Declare function.
8448
8449         (struct _dep_node): New type.
8450         (dep_node_t): New typedef.
8451         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
8452
8453         (struct haifa_insn_data.back_deps): New field to hold backward
8454         dependencies of the insn.
8455         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
8456         to deps_list_t.
8457         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
8458         Change its type to deps_list_t.
8459         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
8460         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
8461         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
8462
8463         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
8464
8465         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
8466
8467         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
8468         all callers.
8469         (dep_cost): Declare.
8470
8471         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
8472         (ds_to_dk, dk_to_ds): New functions.
8473
8474         (init_dep_1): New static function.
8475         (init_dep): New function.
8476         (copy_dep): New static function.
8477
8478         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
8479         functions.
8480         (detach_dep_link): New static function.
8481         (move_dep_link): New function.
8482
8483         (dep_links_consistent_p, dump_dep_links): New static functions.
8484         (debug_dep_links): New debugging function.
8485
8486         (deps_obstack, dl_obstack, dn_obstack): New static variables.
8487
8488         (alloc_deps_list, init_deps_list): New static functions.
8489         (create_deps_list): New function.
8490         (clear_deps_list): New static function.
8491         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
8492         (deps_list_consistent_p, dump_deps_list): New static functions.
8493         (debug_deps_list): New function.
8494         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
8495         functions.
8496         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
8497
8498         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
8499         use new scheduler dependencies lists.
8500         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
8501         (sched_analyze): Ditto.  Initialize dependencies lists.
8502         (add_forw_dep, compute_forward_dependences): Update to use new
8503         scheduler dependencies lists.
8504
8505         (init_dependency_caches): Init deps_obstack.
8506         (free_dependency_caches): Free deps_obstack.
8507
8508         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
8509         new scheduler dependencies lists.
8510         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
8511         (add_back_forw_dep, delete_back_forw_dep): Ditto.
8512
8513         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
8514         Update to use new scheduler dependencies lists.
8515         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
8516         (debug_dependencies): Ditto.
8517         (schedule_region): Update comments.
8518
8519         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
8520         scheduler dependencies lists.
8521         (schedule_ebb): Update comments.
8522
8523         * rtl.def (DEPS_LIST): Remove.
8524
8525         * lists.c (unused_deps_list): Remove.
8526         (free_list): Update assertions.
8527
8528         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
8529         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
8530
8531         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
8532         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
8533
8534         * haifa-sched.c (comments): Update.
8535         (insn_cost1): Remove.  Inline the code into insn_cost ().
8536         (insn_cost): Update to use new scheduler dependencies lists.  Move
8537         processing of the dependency cost to dep_cost ().
8538         (dep_cost): New function.  Use it instead of insn_cost () when
8539         evaluating cost of the dependency.  Use compatible interface to
8540         interact with the target.
8541         (priority): Update to use new scheduler dependencies lists.
8542         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
8543         with greater number of insns that depend on the insn.
8544         (schedule_insn): Update to use new scheduler dependencies lists.  Add
8545         code to free backward dependencies lists.  Inline and optimize code
8546         from resolve_dep () - see PR28071.
8547         (ok_for_early_queue_removal): Update to use new scheduler dependencies
8548         lists.  Update call to targetm.sched.is_costly_dependence hook.
8549
8550         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
8551         scheduler dependencies lists.
8552
8553         (resolve_dep): Remove.  Move the logic to schedule_insn ().
8554         (init_h_i_d): Initialize dependencies lists.
8555
8556         (process_insn_depend_be_in_spec): Rename to
8557         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
8558         dependencies lists.
8559         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
8560         Update to use new scheduler dependencies lists.
8561         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
8562
8563         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
8564         new scheduler dependencies lists.
8565         (build_intra_loop_deps): Ditto.
8566
8567         * target.h (struct _dep): Declare to use in
8568         gcc_target.sched.is_costly_dependence.
8569         (struct gcc_target.sched.adjust_cost): Fix typo.
8570         (struct gcc_target.sched.is_costly_dependence): Change signature to use
8571         single dep_t parameter instead of an equivalent triad.
8572         (struct gcc_target.sched.adjust_cost_2): Remove.
8573
8574         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
8575
8576         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
8577
8578         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
8579         documentation.
8580         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
8581
8582         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
8583         (REG_DEP_TRUE): Document.
8584
8585         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
8586         Change signature to correspond to the targetm.sched.adjust_cost hook.
8587         Update use in TARGET_SCHED_ADJUST_COST_2.
8588         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
8589         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
8590         new scheduler dependencies lists.
8591         (ia64_gen_check): Ditto.
8592
8593         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
8594         dependencies lists.
8595
8596         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
8597         signature to correspond to the targetm.sched.is_costly_dependence hook.
8598         (is_costly_group): Update to use new scheduler dependencies lists.
8599
8600         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
8601         instead of INSN_COST () macro.
8602
8603 2007-02-01  Ian Lance Taylor  <iant@google.com>
8604
8605         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
8606
8607 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
8608
8609         * pa.md (tp_load): Correct mfctl instruction syntax.
8610
8611 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
8612
8613         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
8614         altivec_padding_size calculation on AIX.  Improve comment, add
8615         assert to verify that it's right.
8616
8617         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
8618         64-bit.
8619
8620 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
8621
8622         PR inline-asm/28686
8623         * global.c (global_alloc): Add mising initialization of
8624         ELIMINABLE_REGSET.
8625
8626 2007-02-01  Roger Sayle  <roger@eyesopen.com>
8627
8628         * alias.c (init_alias_analysis): Correct whitespace.
8629         * bb-reorder.c (fix_edges_for_rarely_executed_code,
8630         partition_hot_cold_basic_blocks): Likewise.
8631         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
8632         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
8633         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
8634         fold_builtin_snprintf_chk, fold_builtin_printf,
8635         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
8636         do_mpfr_arg3, do_mpfr_sincos): Likewise.
8637         * cfgcleanup.c (cleanup_cfg): Likewise.
8638         * cfgexpand.c (tree_expand_cfg): Likewise.
8639         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
8640         * function.c (get_next_funcdef_no): Likewise.
8641         * gengtype.c (main): Likewise.
8642         * genmodes.c (main): Likewise.
8643         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
8644         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
8645         * ifcvt.c (noce_emit_move_insn): Likewise.
8646         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
8647         Likewise.
8648         * stor-layout.c (get_best_mode): Likewise.
8649         * tree-ssa-loop-niter.c (get_val_for): Likewise.
8650         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
8651         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
8652         perform_var_substitution, solve_graph): Likewise.
8653         * tree-vrp.c (vrp_finalize): Likewise.
8654
8655 2007-02-01  Ian Lance Taylor  <iant@google.com>
8656
8657         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
8658         high part of a paradoxical subreg, return a constant zero.
8659
8660 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
8661
8662         * toplev.c (lang_dependent_init): Call init_set_costs.
8663         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
8664
8665 2007-02-01  Richard Guenther  <rguenther@suse.de>
8666
8667         PR middle-end/30656
8668         * fold-const.c (fold_negate_expr): Allow negating a
8669         constant if overflow does not change.
8670
8671 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8672
8673         * doc/c-tree.texi (Expression trees): Improve markup.
8674         * doc/tm.texi (Register Classes, Addressing Modes)
8675         (Floating Point): Fix spacing after abbreviations.  Fix some
8676         typos.
8677
8678 2007-02-01  Ben Elliston  <bje@au.ibm.com>
8679
8680         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
8681         * doc/contrib.texi: Likewise.
8682         * doc/install.texi: Likewise.
8683
8684 2007-01-31  Richard Henderson  <rth@redhat.com>
8685             Ian Lance Taylor  <iant@google.com>
8686
8687         * lower-subreg.c: New file.
8688         * rtl.def (CONCATN): Define.
8689         * passes.c (init_optimization_passes): Add pass_lower_subreg and
8690         pass_lower_subreg2.
8691         * emit-rtl.c (update_reg_offset): New static function, broken out
8692         of gen_rtx_REG_offset.
8693         (gen_rtx_REG_offset): Call update_reg_offset.
8694         (gen_reg_rtx_offset): New function.
8695         * regclass.c: Revert patch of 2006-03-05, restoring
8696         reg_scan_update.
8697         (clear_reg_info_regno): New function.
8698         * dwarf2out.c (concatn_loc_descriptor): New static function.
8699         (loc_descriptor): Handle CONCATN.
8700         * common.opt (fsplit_wide_types): New option.
8701         * opts.c (decode_options): Set flag_split_wide_types when
8702         optimizing.
8703         * timevar.def (TV_LOWER_SUBREG): Define.
8704         * rtl.h (gen_reg_rtx_offset): Declare.
8705         (reg_scan_update): Declare.
8706         * regs.h (clear_reg_info_regno): Declare.
8707         * tree-pass.h (pass_lower_subreg): Declare.
8708         (pass_lower_subreg2): Declare.
8709         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
8710         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
8711         -fsplit-wide-types.
8712         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
8713         * Makefile.in (OBJS-common): Add lower-subreg.o.
8714         (lower-subreg.o): New target.
8715
8716 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
8717
8718         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
8719
8720 2007-01-31  Anatoly Sokolov <aesok@post.ru>
8721
8722         PR target/19087
8723         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
8724
8725 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8726
8727         PR middle-end/29335
8728         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
8729
8730 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
8731
8732         * cfgloop.h: Include vec-prim.h.
8733         (enum li_flags): Remove LI_ONLY_OLD.
8734         (loop_iterator): Changed.
8735         (fel_next, fel_init): Iterate over loop tree.
8736         (FOR_EACH_LOOP_BREAK): New macro.
8737         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
8738         FOR_EACH_LOOP.
8739         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
8740         * modulo-sched.c (sms_schedule): Ditto.
8741         * tree-vectorizer.c (vectorize_loops): Ditto.
8742         * doc/loop.texi: Update information on loop numbering and behavior of
8743         FOR_EACH_LOOP wrto new loops.
8744         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8745         add_to_evolution_1): Test nestedness of loops instead of comparing
8746         their numbers.
8747         * tree-chrec.c (chrec_fold_plus_poly_poly,
8748         chrec_fold_multiply_poly_poly, chrec_evaluate,
8749         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
8750         reset_evolution_in_loop): Ditto.
8751         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
8752
8753 2007-01-31  Dirk Mueller  <dmueller@suse.de>
8754
8755         * c-common.c (warn_about_parentheses): Separate warning about
8756         un-parenthized sequence of comparison operators from the one
8757         which is supposed to warn about x <= y <= z.
8758
8759 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
8760
8761         * optabs.h (enum optab_index): Add new OTI_isinf.
8762         (isinf_optab): Define corresponding macro.
8763         * optabs.c (init_optabs): Initialize isinf_optab.
8764         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
8765         patterns.
8766         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
8767         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
8768         using isinf_optab.
8769         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
8770         expand_builtin_interclass_mathfn.
8771         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
8772         * config/i386/i386.md (UNSPEC_FXAM): New constant.
8773         (fxam<mode>2_i387): New insn pattern.
8774         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
8775         built-in functions as x87 inline asm.
8776
8777 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
8778
8779         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
8780
8781 2007-01-30  Eric Christopher  <echristo@apple.com>
8782
8783         * config.gcc: Add geode.
8784
8785 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
8786
8787         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
8788         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
8789         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
8790         value-prof.c: Fix comment typos.
8791
8792 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8793
8794         PR c++/24745
8795         * doc/invoke.texi (Wpointer-arith): Document warning.
8796
8797 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
8798
8799         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
8800         the list of discrepancies from the draft TR.
8801
8802 2007-01-30  Dirk Mueller  <dmueller@suse.de>
8803
8804         PR c++/30601
8805         * doc/invoke.texi (-Wreturn-type): Update description to
8806         match new behavior.
8807
8808 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
8809
8810         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
8811
8812 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
8813
8814         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
8815         to handle optabs that operate on floating point input argument and
8816         output to integer output.
8817         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
8818         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
8819         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
8820         expand_builtin_interclass_mathfn ().
8821         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
8822         (ilogbsi2): Remove.
8823         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
8824         ilogbl built-in functions as x87 intrinsics.
8825
8826 2007-01-30  Richard Guenther  <rguenther@suse.de>
8827
8828         PR middle-end/27657
8829         * dwarf2out.c (reference_to_unused): Query varpool if the
8830         variable was output.
8831
8832 2007-01-30  Richard Guenther  <rguenther@suse.de>
8833
8834         PR middle-end/30313
8835         * passes.c (execute_one_pass): Reset in_gimple_form to not
8836         confuse non-unit-at-a-time mode.
8837
8838 2007-01-29  Roger Sayle  <roger@eyesopen.com>
8839             Richard Guenther  <rguenther@suse.de>
8840
8841         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
8842         avoid undefined behaviour on overflow.  Use force_fit_type_double
8843         to construct the constant with the specified TREE_OVERFLOW.
8844
8845 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
8846
8847         * config/dfp-bit.c: Add parameterized support for fp exceptions.
8848         * config/dfp-bit.h: Ditto.
8849
8850 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8851
8852         * c-decl.c (pop_scope): Replace warnings with call to
8853         warn_for_unused_label.
8854         * c-common.h (warn_for_unused_label): Declare.
8855         * c-common.c (warn_for_unused_label): Define.
8856
8857 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8858
8859         * tree-optimize.c (update_inlined_to_pointers): Delete unused
8860         function.
8861
8862 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
8863
8864         * Makefile.in (USER_H): Remove decfloat.h.
8865         * ginclude/decfloat.h: Delete, moving contents to ...
8866         * ginclude/float.h: Add support for decimal floating point,
8867         guarded by __STDC_WANT_DEC_FP__.
8868
8869 2007-01-29  Mike Stump  <mrs@apple.com>
8870
8871         * doc/gccint.texi (Top): Rename Loop Representation to Loop
8872         Analysis and Representation to resolve case insensitive conflict.
8873         * doc/loop.texi (Loop Analysis and Representation): Likewise.
8874
8875 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
8876
8877         * tree.h (struct tree_memory_tag): Add aliases member.
8878         (MTAG_ALIASES): New macro.
8879         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
8880         (add_may_alias): Remove pointer-set. Update for may_aliases being
8881         a bitmap.
8882         (mark_aliases_call_clobbered): Update for may_aliases being a
8883         bitmap.
8884         (compute_tag_properties): Ditto.
8885         (create_partition_for): Ditto.
8886         (compute_memory_partitions): Ditto.
8887         (dump_may_aliases_for): Ditto.
8888         (is_aliased_with): Ditto.
8889         (add_may_alias_for_new_tag): Ditto.
8890         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
8891         (compute_is_aliased): New function.
8892         (compute_may_aliases): Call compute_is_aliased).
8893         (init_alias_info): Initialize alias_bitmap_obstack.
8894         (union_alias_set_into): New function.
8895         (compute_flow_sensitive_aliasing): Use union_aliases_into.
8896         (have_common_aliases_p): Rewrite to take two bitmaps and use
8897         intersection.
8898         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
8899         Update for bitmaps.
8900         (finalize_ref_all_pointers): Update for add_may_alias changes.
8901         (new_type_alias): Ditto.
8902         * tree-flow-inline.h (may_aliases): Return a bitmap.
8903         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
8904         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
8905         may_aliases being a bitmap.
8906         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
8907         may_aliases now returns a bitmap.
8908         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
8909         being a bitmap.
8910         * tree-ssa-operands.c (add_virtual_operand): Update for
8911         may_aliases being a bitmap.
8912
8913 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
8914
8915         PR tree-optimization/30630
8916         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
8917         variable as changed.
8918
8919 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
8920
8921         PR c++/28266
8922         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
8923         expanded only once even if an error occurs.
8924
8925 2007-01-29  Ben Elliston  <bje@au.ibm.com>
8926
8927         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
8928         (__gcov_average_profiler): Likewise.
8929         (__gcov_ior_profiler): Likewise.
8930         (__gcov_merge_ior): Likewise.
8931
8932 2007-01-28  Jan Hubicka  <jh@suse.cz>
8933
8934         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
8935         * value-prof.c (stringop_block_profile): Likewise.
8936
8937 2007-01-28  Jan Hubicka  <jh@suse.cz>
8938
8939         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
8940         variant handling histograms; add wrapper.
8941         (clear_storage_via_libcall): Export.
8942         (emit_block_move_hints): Break out from ...; add histograms.
8943         (emit_block_move): ... this one.
8944         (clear_storage_hints): Break out from ...; add histograms.
8945         (clear_storage): ... this one.
8946         (set_storage_via_memset): Handle histogram.
8947         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
8948         (clear_storage_hints, clear_storage_via_libcall): Declare.
8949         (set_storage_via_setmem): Update prototype.
8950         * doc/md.texi (movmem, setmem): Document new arguments.
8951
8952         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
8953         new histograms.
8954         (stringop_block_profile): New global function.
8955         (tree_stringops_values_to_profile): Profile block size and alignment.
8956         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
8957         HIST_TYPE_IOR.
8958         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
8959         (stringop_block_profile): Declare.
8960         * builtins.c: Include value-prof.h.
8961         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
8962         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
8963         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
8964         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
8965         * profile.c (instrument_values): Add new counters.
8966         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
8967         calls.
8968         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
8969         (tree_init_edge_profiler): Build new profilers.
8970         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
8971         (pass_tree_profile): Add dump.
8972         (tree_profile_hooks): Update.
8973         * Makefile.in (LIBGCOV): Add new constants.
8974         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
8975         __gcov_ior_profiler): New.
8976         * i386.md (movmem/setmem expanders): Add new optional arguments.
8977
8978 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
8979
8980         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
8981
8982 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
8983
8984         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
8985         (tree_unswitch_single_loop): Pass eni_size_weights to
8986         tree_num_loop_insns.
8987         * tree-ssa-loop-manip.c: Include tree-inline.h.
8988         (can_unroll_loop_p): Pass eni_size_weights to
8989         tree_num_loop_insns.
8990         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
8991         Pass eni_size_weights to estimate_num_insns.
8992         * tree.h (init_inline_once): Export.
8993         * toplev.c (backend_init): Call init_inline_once.
8994         * cgraphunit.c (cgraph_process_new_functions,
8995         cgraph_analyze_function): Pass eni_inlining_weights to
8996         estimate_num_insns.
8997         * ipa-inline.c (compute_inline_parameters): Ditto.
8998         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
8999         to estimate_num_insns.
9000         (try_unroll_loop_completely): Pass eni_size_weights to
9001         tree_num_loop_insns.
9002         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
9003         ot estimate_num_insns.
9004         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
9005         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
9006         * tree-inline.c (eni_inlining_weights, eni_size_weights,
9007         eni_time_weights): New variables.
9008         (init_inline_once): Initialize them.
9009         (struct eni_data): Mew.
9010         (estimate_num_insns_1, estimate_num_insns): Use weights.
9011         * tree-inline.h (struct eni_weights_d): New.
9012         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
9013         (estimate_num_insns): Declaration changed.
9014         * cfgloop.h (tree_num_loop_insns): Declaration changed.
9015         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
9016         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
9017
9018 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9019
9020         * tree-data-ref.c (conflict_fn): Assert that the number of affine
9021         relations in the conflict function is valid.
9022
9023 2007-01-27  Ian Lance Taylor  <iant@google.com>
9024
9025         * common.opt: Add fstrict-overflow.
9026         * opts.c (decode_options): Set flag_strict_overflow if -O2.
9027         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
9028         (TYPE_OVERFLOW_UNDEFINED): Define.
9029         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
9030         Replace all uses.
9031         * tree.h (TYPE_TRAP_SIGNED): Don't define.
9032         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
9033         (fold_negate_expr): Likewise.
9034         (make_range): Likewise.
9035         (extract_muldiv_1): Likewise.
9036         (maybe_canonicalize_comparison): Likewise.
9037         (fold_comparison): Likewise.
9038         (fold_binary): Likewise.
9039         (tree_expr_nonnegative_p): Likewise.
9040         (tree_expr_nonzero_p): Likewise.
9041         * tree-vrp.c (compare_values): Likewise.
9042         (extract_range_from_binary_expr): Likewise.
9043         (extract_range_from_unary_expr): Likewise.
9044         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
9045         Likewise.
9046         (nowrap_type_p): Likewise.
9047         * tree-scalar-evolution.c (simple_iv): Likewise.
9048         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
9049         (build_range_check): Likewise.
9050         (extract_muldiv_1): Likewise.
9051         (fold_comparison): Likewise.
9052         * tree-vrp.c (vrp_int_const_binop): Likewise.
9053         (extract_range_from_unary_expr): Likewise.
9054         * convert.c (convert_to_integer): Likewise.
9055         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
9056         (fold_comparison): Likewise.
9057         (fold_binary): Likewise.
9058         * optabs.c (optab_for_tree_code): Likewise.
9059         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
9060         * simplify-rtx.c (simplify_const_relational_operation): Check
9061         flag_strict_overflow and flag_trapv.
9062         (simplify_const_relational_operation): Likewise.
9063         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
9064         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
9065         -fstrict-overflow.
9066
9067 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9068
9069         * tree.c (tree_fold_gcd): Delete.
9070         * tree.h (tree_fold_gcd): Remove prototype.
9071         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
9072         test whether one constant integer is a multiple of another.  Instead
9073         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
9074         * fold-const.c (multiple_of_p):  We've determined both TOP and
9075         BOTTOM are integer constants so we can call int_const_binop directly
9076         instead of the more generic const_binop.
9077
9078 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9079
9080         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
9081         1*X check that the constant hasn't overflowed, to preserve the
9082         TREE_OVERFLOW bit.
9083         (round_up): Provide an efficient implementation when rouding-up an
9084         INTEGER_CST to a power-of-two.
9085
9086 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9087
9088         * doc/sourcebuild.texi: Add comma for clarity.
9089         * doc/extend.texi: Fix some typos.
9090         * doc/passes.texi: Likewise.
9091         * doc/cppinternals.texi: Likewise.
9092         * doc/c-tree.texi: Likewise.
9093         * doc/tree-ssa.texi: Likewise.
9094         * doc/install.texi: Likewise.
9095
9096 2007-01-27  Jan Hubicka  <jh@suse.cz>
9097
9098         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
9099         (pass_sra): Do not require alias information.
9100         * passes.c (init_optimization_passes): Add SRA
9101
9102 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
9103
9104         * tracer.c (rest_of_handle_tracer): We already cleaned
9105         up the CFG in tracer() so don't do it here again.
9106         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
9107         cleanup_cfg here, either.  And don't call renumber_insns.
9108
9109         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
9110         and BB_HEAD are in the insn stream here.  Instead make sure
9111         that BB_INSN is valid on all insns.  Also, do check here that
9112         there are no pending branch predictions...
9113         (rtl_verify_flow_info): ...instead of doing it here.  Checks
9114         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
9115         here.
9116
9117 2007-01-26  Roger Sayle  <roger@eyesopen.com>
9118
9119         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
9120         function to simplify/factorize operand order canonicalization.
9121         (ix86_fixup_binary_operands): Reorganize using the above function.
9122         (ix86_binary_operator_ok): Likewise.
9123
9124 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
9125
9126         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
9127         file scope from optimize_attrs.
9128         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
9129         up search.
9130         (optimize_attrs): Clear insn_code_values after freeing it.
9131
9132 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9133
9134         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
9135         a parts.base assignment.
9136
9137 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9138
9139         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
9140         (compute_subscript_distance, initialize_data_dependence_relation,
9141         finalize_ddr_dependent, analyze_ziv_subscript,
9142         analyze_siv_subscript_cst_affine,
9143         compute_overlap_steps_for_affine_univar,
9144         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
9145         analyze_siv_subscript, analyze_miv_subscript,
9146         analyze_overlapping_iterations, subscript_dependence_tester_1,
9147         compute_self_dependence, free_dependence_relation): Work
9148         with affine_fn instead of chrecs.
9149         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
9150         common_affine_function, affine_function_base,
9151         affine_function_constant_p, affine_fn_op, affine_fn_plus,
9152         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
9153         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
9154         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
9155         (all_chrecs_equal_p): Removed.
9156         * tree-data-ref.h (affine_fn, conflict_function): New types.
9157         (struct subscript): Change type of conflicting_iterations_in_a
9158         and conflicting_iterations_in_b.
9159
9160 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
9161
9162         PR other/30182
9163         * config/pa/pa.h (TARGET_HPUX_11): New.
9164         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
9165         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
9166
9167 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
9168         Richard Guenther  <rguenther@suse.de>
9169
9170         * tree-ssa-structalias.c (solve_graph): Handle case
9171         we merged the variable to another.
9172
9173 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9174
9175         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
9176         functions.
9177
9178         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
9179         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
9180
9181 2007-01-25  DJ Delorie  <dj@redhat.com>
9182
9183         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
9184         allow changes to modes which don't fit in those registers.
9185
9186         * reload1.c (choose_reload_regs): Check for invalid subregs before
9187         computing their locations, not after.
9188
9189 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
9190
9191         PR 25127
9192         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
9193         save Altivec registers in an eh_return function.
9194         (compute_vrsave_mask): Likewise.
9195         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
9196         for saving Altivec registers.
9197         (rs6000_emit_prologue): Don't allocate stack twice in
9198         eh_return function.  Correct expected value of altivec_save_offset
9199         when using save_world.  Describe save of R0 to stack when using
9200         save_world.  Describe stack pointer adjustment when using
9201         save_world.  Remove duplicated eh_return parameter register saving.
9202         Update sp_offset variable after save_world.
9203         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
9204         darwin-world.asm.
9205         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
9206         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
9207         implies Altivec.
9208
9209 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9210
9211         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
9212
9213 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9214
9215         PR other/30182
9216         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
9217         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
9218
9219 2007-01-25  Richard Guenther  <rguenther@suse.de>
9220
9221         * doc/invoke.texi (-Wcoverage-mismatch): Document.
9222         * common.opt (-Wcoverage-mismatch): New warning option.
9223         * coverage.c (get_coverage_counts): Ignore coverage mismatch
9224         if -Wcoverage-mismatch is given.
9225
9226 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
9227
9228         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
9229         (ipcp_driver): Change to static definition.
9230         Add dumping of the ifunctions.
9231         (constant_val_insert): Remove unused parameter. Support for SSA.
9232         (ipcp_propagate_const): Support for SSA.
9233         (ipcp_profile_bb_print): Print only analyzed nodes.
9234         (ipcp_replace_map_create): Remove support for Fortran constant
9235         for now.
9236         * ipa-prop.c (ipa_method_modify_stmt,
9237         ipa_callsite_compute_param): Support for SSA.
9238         * ipa-prop.h (ipcp_driver): Remove declaration.
9239         (IS_VALID_TREE_MAP_INDEX): Add define.
9240
9241 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
9242
9243         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
9244
9245 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9246
9247         PR middle-end/30447
9248         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
9249         constant argument to cabs and do it without checking for
9250         -funsafe-math-optimizations.
9251
9252 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
9253
9254         * c-common.h (RID_FIRST_CXX0X): New.
9255         (RID_LAST_CXX0X): New.
9256         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
9257         by -Wall.
9258         * c.opt (Wc++0x-compat): New.
9259         * doc/invoke.texi (-Wc++0x-compat): Document.
9260
9261 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9262
9263         * builtins.c (fold_builtin_carg): New.
9264         (fold_builtin_1): Use it.
9265
9266 2007-01-24  Jan Hubicka  <jh@suse.cz>
9267
9268         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
9269
9270         * ipa-inline.c (initial_insns, max_insns): Delete.
9271         (compute_max_insns): New function.
9272         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
9273         of insns as base for code growth.
9274         (cgraph_decide_inlining): Make initial_insns local; do not compute
9275         max_insns.
9276         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
9277         * doc/invoke.texi (inline-unit-growth): Update docs.
9278
9279 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
9280
9281         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
9282         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
9283         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
9284         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
9285         for CPUs that have PTA_CX16 set.
9286
9287         PR middle-end/27416
9288         * gimplify.c (omp_check_private): New function.
9289         (gimplify_scan_omp_clauses): Use it for
9290         firstprivate/lastprivate/reduction.
9291
9292         PR middle-end/30494
9293         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
9294         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
9295
9296         PR middle-end/30421
9297         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
9298         If lower_lastprivate_clauses emits some statements, append them
9299         to dlist rather than body_p and to body_p append an initializer.
9300         (lower_omp_for): Adjust caller.
9301
9302 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
9303
9304         * target.h (globalize_decl_name): New.
9305         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9306         * output.h (default_globalize_decl_name): New.
9307         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
9308         globalize_label.
9309         (globalize_decl): Ditto.
9310         (default_globalize_decl_name): New.
9311         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
9312         (ia64_handle_version_id_attribute): New.
9313         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9314         (ia64_asm_output_external): Use globalize_decl_name instead
9315         of globalize_label.
9316         * doc/extend.texi (version_id): New pragma.
9317         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
9318
9319 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9320
9321         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
9322         _uleb128_t and _Unwind_SWord with _sleb128_t.
9323         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
9324         uw_frame_state_for, uw_update_context_1): Likewise.
9325         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
9326         * unwind-pe.h (read_uleb128, read_sleb128,
9327         read_encoded_value_with_base): Likewise.
9328         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
9329
9330 2007-01-24  Richard Guenther  <rguenther@suse.de>
9331
9332         * builtins.c (expand_builtin_cexpi): Get the fndecl
9333         for cexp in the correct way.
9334
9335 2007-01-24  Jan Hubicka  <jh@suse.cz>
9336
9337         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
9338
9339 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9340
9341         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
9342         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
9343         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
9344         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
9345         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
9346         __SIZEOF_PTRDIFF_T__.
9347         * doc/cpp.texi: Documentation for the new builtin macros added.
9348
9349 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
9350
9351         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
9352         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
9353         instead of operands[2] to avoid access past the end of array.
9354
9355 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
9356
9357         * reload1.c (emit_reload_insns): Pass the reload register
9358         for a non-spill output reload through forget_old_reloads_1.
9359
9360 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
9361
9362         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
9363         _SOFT_DOUBLE if doubles use software floating-point.
9364         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
9365         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9366         * config/rs6000/darwin-ldouble.c: Also compile functions for
9367         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
9368         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9369         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
9370         commented-out long double override.
9371         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
9372         * config/rs6000/eabispe.h: Likewise.
9373         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
9374         long double for non-SPE.
9375         (rs6000_handle_option): Likewise.
9376         (invalid_e500_subreg): Disallow more subregs involding DImode,
9377         DFmode, TImode or TFmode.
9378         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
9379         E500 double.
9380         (legitimate_lo_sum_address_p): Also check for TFmode for E500
9381         double.
9382         (rs6000_legitimize_address): Also handle TFmode for E500 double.
9383         (rs6000_legitimize_reload_address): Also handle TFmode for E500
9384         double.
9385         (rs6000_legitimate_address): Also check for TFmode for E500
9386         double.
9387         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
9388         (spe_build_register_parallel): Handle TFmode and TCmode.
9389         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
9390         double.
9391         (function_arg): Handle TFmode and TCmode for E500 double.
9392         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
9393         in general.
9394         (print_operand): Handle TFmode and TImode for %y.
9395         (rs6000_generate_compare): Handle TFmode comparisons for E500
9396         double.
9397         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
9398         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
9399         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
9400         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
9401         TFmode for E500 double.
9402         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
9403         (floatsidf2): Enable for E500 double.
9404         (movtf_softfloat): Use rs6000_nonimmediate_operand.
9405         (extenddftf2): Change to extenddftf2_fprs.
9406         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
9407         depending on TARGET_E500_DOUBLE.
9408         (extendsftf2): Enable for E500 double.
9409         (trunctfdf2): Enable for E500 double.
9410         (trunctfsf2): Change to trunctfsf2_fprs.
9411         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
9412         depending on TARGET_E500_DOUBLE.
9413         (floatsitf2): Enable for E500 double.
9414         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
9415         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
9416         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
9417         (negtf2): Change to negtf2_internal.
9418         (negtf2): New expander.
9419         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
9420         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
9421         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
9422         (movdi_internal32): Use rs6000_nonimmediate_operand.
9423         (unnamed splitter): Likewise.
9424         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
9425         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
9426         (SPE64TF, DITI): New mode macros.
9427         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
9428         modes.
9429         (frob_tf_ti): New.
9430         (frob_<mode>_di_2): New.
9431         (frob_tf_di_8_2): New.
9432         (frob_di_df): Change to frob_di_<mode>; allow more modes.
9433         (frob_ti_tf): New.
9434         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
9435         more modes.
9436         (frob_ti_<mode>_8_2): New.
9437         (frob_ti_tf_2): New.
9438         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
9439         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
9440         TFmode.
9441         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
9442         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
9443         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
9444         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
9445         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
9446         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
9447         tsttflt_gp): New.
9448
9449 2007-01-23  Ian Lance Taylor  <iant@google.com>
9450
9451         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
9452         insn-*.o first.
9453         (OBJS-archive): Reformat, alphabetize.
9454         (OBJS): Change out_object_file to OBJS-md.
9455
9456 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
9457
9458         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
9459         JUMP_P and CALL_P predicates where applicable.
9460         * config/i386/i386.c: Ditto.
9461         * config/i386/i386.md: Ditto.
9462         * config/i386/mmx.md: Ditto.
9463         * config/i386/predicates.md: Ditto.
9464
9465 2007-01-22  Andreas Schwab  <schwab@suse.de>
9466
9467         * config/m68k/m68k.h: Fix comment.
9468
9469 2007-01-22  Jan Hubicka  <jh@suse.cz>
9470
9471         * passes.c (init_optimization_passes): Do not rerun
9472         pass_early_warn_uninitialized.
9473
9474 2007-01-22  Richard Guenther  <rguenther@suse.de>
9475
9476         PR tree-optimization/30038
9477         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
9478         function.
9479         (execute_cse_sincos_1): Likewise.
9480         (execute_cse_sincos): Likewise.
9481         (gate_cse_sincos): Likewise.
9482         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
9483         the cexpi() canonicalization of sincos().
9484         * tree-pass.h (pass_cse_sincos): Declare.
9485         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
9486
9487 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
9488
9489         PR rtl-optimization/29329
9490         * combine.c (replaced_rhs_insn): Rename to i2mod.
9491         (replaced_rhs_value): Rename to i2mod_new_rhs.
9492         (i2mod_old_rhs): New global variable.
9493         (combine_instructions): Adjust for above change.  Save a copy of
9494         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
9495         note are substituted in the second instruction.
9496         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
9497         ditch the note if it pertains to the second eliminated register
9498         and this register is mentioned in i2mod_old_rhs.
9499
9500         Revert:
9501         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
9502
9503         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
9504         the insn to which the note was originally attached.
9505
9506 2007-01-21  Jan Hubicka  <jh@suse.cz>
9507
9508         * ipa-inline.c (inlining_mode): Comment, move up.
9509         (cgraph_decide_inlining_incrementally): Do not perform inlining
9510         itself; fix handling of flattening of self recursive functions.
9511         (cgraph_find_cycles): Remove.
9512         (cgraph_flatten_node): Remove.
9513         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
9514         (try_inline): New function.
9515         (cgraph_early_inlining): Update call of
9516         cgraph_decide_inlining_incrementally.  Apply inlining here.
9517         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
9518
9519 2007-01-21  Dirk Mueller  <dmueller@suse.de>
9520
9521         PR bootstrap/30511
9522         * tree-vrp.c (check_array_bounds): do not warn
9523         about ADDR_EXPR's of ARRAY_REF's which are immediately
9524         used in binary expressions.
9525
9526 2007-01-21  Ira Rosen  <irar@il.ibm.com>
9527
9528         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
9529         read_write_dep and macros for its access.
9530         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
9531         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
9532         argument, call vect_check_interleaving for every independent pair of
9533         data-refs. Mark loads that access the same memory location as a store
9534         in the loop.
9535         (vect_check_dependences): Remove.
9536         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
9537         call, fix the call to vect_analyze_data_ref_dependence.
9538         (vect_analyze_data_ref_access): For statements that access the same
9539         data-ref, check that they are not stores; for loads, check that there
9540         is no store that access the same location.
9541
9542 2007-01-20  Roger Sayle  <roger@eyesopen.com>
9543             Joseph Myers  <joseph@codesourcery.com>
9544
9545         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
9546         (-fdump-rtl-stack): Likewise.
9547         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
9548         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
9549         (-mpt-fixed): Use @minus{} for minus sign.
9550         (Using Precompiled Headers): Fix under/overfull hbox.
9551
9552 2007-01-20  Jan Hubicka  <jh@suse.cz>
9553
9554         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
9555         place within annotation.
9556
9557 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9558
9559         * pa.c (output_move_double): Change array size of xoperands to 4.
9560
9561 2007-01-20  Jan Hubicka  <jh@suse.cz>
9562
9563         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
9564         as temporary.
9565
9566 2007-01-19  Ian Lance Taylor  <iant@google.com>
9567
9568         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
9569         constant to unsigned HOST_WIDE_INT before negating.
9570
9571 2007-01-19  Ian Lance Taylor  <iant@google.com>
9572
9573         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
9574         to unsigned.
9575         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
9576         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
9577         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
9578         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
9579         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
9580         (realloc_vdef, realloc_vuse): Change second parameter to
9581         unsigned.
9582         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
9583         fields to unsigned.
9584         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
9585         unsigned. Change x and lim locals to unsigned.
9586         (realloc_vdef, realloc_vuse): Change num_elem parameter to
9587         unsigned.
9588         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
9589         (copy_virtual_operands): Change i and n locals to unsigned.
9590
9591 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9592
9593         PR middle-end/29335
9594         * builtins.c (fold_builtin_1): Handle builtin fdim.
9595
9596 2007-01-20  Jan Hubicka  <jh@suse.cz>
9597
9598         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
9599         * tree-ssa-structalias.c (compute_points_to_sets): Do call
9600         init_alias_heapvars.
9601         (init_alias_heapvars): Initialize only when not already initialized.
9602         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
9603
9604 2007-01-19  Roger Sayle  <roger@eyesopen.com>
9605
9606         * common.opt (fsigned-zeros): New command line option.
9607         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
9608         of flag_unsafe_math_optimizations.
9609         * opts.c (set_fast_math_flags): The -ffast-math command line option
9610         implies -fno-signed-zeros.
9611         (fast_math_flags_set_p): Likewise.
9612
9613         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
9614         the documentation of -ffast-math appropriately.  Wrap long lines.
9615
9616 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
9617
9618         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
9619         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
9620
9621 2007-01-19  Tomas Bily  <tbily@suse.cz>
9622
9623         * cgraphunit.c (cgraph_finalize_function): Updating of pid
9624         * tree-profile.c:
9625         (tree_init_ic_make_global_vars): New function
9626         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
9627         (tree_gen_ic_profiler): New function
9628         (tree_gen_ic_func_profiler): New function
9629         (tree_profiling): Added calling of tree_gen_ic_func_profiler
9630         (tree_profile_hooks): Added hook for indirec/virtual calls
9631         * value-prof.c (tree_find_values_to_profile): New case for
9632         indirect calls
9633         (tree_values_to_profile): Call for determining indirect/virtual
9634         counters
9635         (tree_indirect_call_to_profile): New function
9636         (tree_ic_transform): New function
9637         (tree_ic): New function
9638         (find_func_by_pid): New function
9639         (init_pid_map): New function
9640         (tree_value_profile_transformations): Added check for
9641         indirect/virtual call transformation
9642         * value-prof.h (enum hist_type): New counter type for
9643         indirect/virtual calls
9644         (profile_hooks): Added new hook for profiling indirect/virtual
9645         calls
9646         * profile.c (instrument_values): New case for indirect/virtual
9647         call added
9648         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
9649         (GCOV_COUNTER_V_INDIR): New counter type
9650         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
9651         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
9652         call added
9653         * cgraph.c: Definition of cgraph_max_pid
9654         (cgraph_create_node): Default init of pid attribute
9655         * cgraph.h: Declaration of cgraph_max_pid
9656         (struct cgraph_node): Added pid attribute
9657         * libgcov.c (__gcov_indirect_call_profiler): New function
9658         (__gcov_one_value_profiler_body): New function
9659         (__gcov_one_value_profiler): Body was moved to
9660         __gcov_one_value_profiler_body and calls it
9661
9662 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
9663
9664         * doc/gty.texi (Options): Document the mark_hook option to GTY.
9665         * gengtype.c (write_types_data, write_func_for_structure,
9666         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
9667         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
9668         (walk_type, write_func_for_structure): Generate the mark_hook if
9669         needed.
9670
9671 2007-01-19  Jan Hubicka  <jh@suse.cz>
9672
9673         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
9674         'early' argument take inlining mode argument specifying whether to
9675         inline for size/speeed or all functions; add support for flattening;
9676         improve dumpting.
9677         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
9678
9679 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9680
9681         PR c++/17947
9682         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
9683         the name of the declared identifier.
9684
9685 2007-01-19  Dirk Mueller  <dmueller@suse.de>
9686
9687         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
9688         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
9689         duplicate evaluation.
9690
9691 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
9692
9693         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
9694         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
9695         to XFMode, use acosxf2 and truncate result to requested mode.
9696         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
9697         (asin<mode>2): Similarly, with asin expanders.
9698         (*fscalexf4_i387): Rename from *fscalexf4.
9699         (expNcorexf3): New expander.
9700         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
9701         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
9702         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
9703         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
9704         patterns for SSE math.
9705         (exp10<mode>2): Similarly, with exp10 expanders.
9706         (exp2<mode>2): Similarly, with exp2 expanders.
9707         (expm1<mode>2): Similarly, with expm1 expanders.
9708         (ldexp<mode>3): Similarly, with ldexp expanders.
9709         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
9710         Use gen_truncxf<mode>2_i387_noop to truncate result.
9711
9712 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9713
9714         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
9715         for ColdFire targets.
9716
9717 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
9718             Richard Sandiford  <richard@codesourcery.com>
9719
9720         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
9721         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
9722         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
9723         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
9724         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
9725         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
9726
9727 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9728
9729         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
9730         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
9731         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
9732         (*adddi_dilshr32_cf): New pattern.
9733         (adddi3, subdi3): Remove first alternatives.
9734
9735 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9736
9737         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
9738         implemented using move.l, do not use its cc result for floating-point
9739         comparisons.
9740
9741 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9742
9743         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
9744         from accepting 's' constraints if flag_pic.
9745
9746 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9747
9748         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
9749         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
9750         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
9751         condition from TARGET_68881 to TARGET_HARD_FLOAT.
9752
9753 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
9754
9755         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
9756         ColdFire alternatives.
9757         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
9758         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
9759         architectures that support ff1 instruction.
9760
9761 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9762             Julian Brown  <julian@codesourcery.com>
9763
9764         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
9765         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
9766         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
9767         Add commentary.
9768
9769 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9770
9771         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
9772         and return a bool.
9773         (output_move_const_into_data_reg, output_move_simode_const): Delete.
9774         * config/m68k/m68k.c (const_method, const_int_cost): Take a
9775         HOST_WIDE_INT instead of an rtx.
9776         (m68k_rtx_costs): Update call accordingly.
9777         (output_move_const_into_data_reg): Likewise.  Fix formatting.
9778         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
9779         Return a bool.
9780         (output_move_simode_const): Update calls after above changes.
9781         Rework to use automatic variables and predicates like MEM_P.
9782         * config/m68k/m68k.md (pushexthisi_const): Update call to
9783         valid_mov3q_const.
9784
9785 2007-01-19  Dirk Mueller  <dmueller@suse.de>
9786
9787         * tree-ssa-alias.c (perform_var_substitution): Fix typo
9788         in dump_flags test.
9789
9790 2007-01-19  Richard Guenther  <rguenther@suse.de>
9791
9792         * builtins.c (expand_builtin_cexpi): Fall back to expanding
9793         via cexp in case sincos is not available.
9794
9795 2007-01-19  Richard Guenther  <rguenther@suse.de>
9796
9797         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
9798         * defaults.h (TARGET_HAS_SINCOS): Default to off.
9799         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
9800         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
9801         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
9802         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
9803         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
9804         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
9805
9806 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
9807
9808         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
9809         New insn patterns.
9810         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
9811         (atan2xf3): Directly generate RTL pattern.
9812         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
9813         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
9814         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
9815         disable patterns for SSE math.
9816         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
9817         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
9818         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
9819         disable patterns for SSE math.
9820
9821 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
9822
9823         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
9824
9825 2007-01-18  Roger Sayle  <roger@eyesopen.com>
9826
9827         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
9828         VIEW_CONVERT_EXPR to the same type as it's operand.
9829
9830 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
9831
9832         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
9833         configured for long double 128.
9834
9835 2007-01-18  Mike Stump  <mrs@apple.com>
9836
9837         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
9838         error.
9839
9840 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
9841
9842         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
9843         type correct.
9844
9845 2007-01-18  Jan Hubicka  <jh@suse.cz>
9846
9847         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
9848         greater than NUM_VOP_FREE_BUCKETS.
9849
9850 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
9851
9852         * tree-ssa-structalias.c: Update comments.
9853         (ptabitmap_obstack): Removed.
9854         (pta_obstack): New.
9855         (oldpta_obstack): Ditto.
9856         (stats): Add a few members.
9857         (struct variable_info): Remove node, complex, address_taken, and
9858         indirect_target members. Add oldsolution member.
9859         (new_var_info): Do not initialize removed members.
9860         (constraint_expr_type): Remove INCLUDES.
9861         (constraint_graph): Add size, implicit_preds, rep,
9862         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
9863         (FIRST_REF_NODE): New macro.
9864         (LAST_REF_NODE): Ditto.
9865         (FIRST_ADDR_NODE): Ditto.
9866         (find): New function.
9867         (unite): Ditto.
9868         (dump_constraint): Do not handle INCLUDES.
9869         (insert_into_complex): Do not insert duplicate constraints.
9870         (condense_varmap_nodes): Renamed and rewritten into ...
9871         (merge_node_constraints): This. Also fix bug in handling of
9872         offseted copy constraints.
9873         (clear_edges_for_node): No longer need to deal with preds at all,
9874         or removing associated preds/succs.
9875         (merge_graph_nodes): Deal with indirect_cycles.
9876         Don't deal with predecessors.
9877         (add_implicit_graph_edge): New function.
9878         (add_pred_graph_edge): Ditto.
9879         (add_graph_edge): Don't deal with predecessors.
9880         (build_constraint_graph): Removed.
9881         (build_pred_graph): New function.
9882         (build_succ_graph): Ditto.
9883         (struct scc_info): Removed in_component. Added roots, dfs, and
9884         node_mapping. Remove visited_index, unification_queue.
9885         (scc_visit): Deal with union-find we do now.
9886         Deal with cycles with REF nodes.
9887         (collapse_nodes): Renamed and rewritten to ...
9888         (unify_nodes): This.
9889         (process_unification_queue): Removed.
9890         (topo_visit): Cleanup
9891         (do_da_constraint): Use find.
9892         (do_sd_constraint): Ditto.
9893         (do_ds_constraint): Ditto.
9894         (do_complex_constraint): Ditto.
9895         (init_scc_info): Update for removed and added members.
9896         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
9897         (find_indirect_cycles): This.
9898         (equivalence_class): New variable.
9899         (label_visit): New function.
9900         (perform_variable_substitution): Rewritten.
9901         (free_var_substitution_info): New function.
9902         (find_equivalent_node): Ditto.
9903         (move_complex_constraints): Ditto.
9904         (eliminate_indirect_cycles): Ditto.
9905         (solve_graph): Only propagate changed bits.
9906         Use indirect cycle elimination.
9907         Use find.
9908         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
9909         (tree_id_eq): Renamed to ...
9910         (tree_vi_eq): This. Update for member change
9911         (insert_id_for_tree): Renamed and rewritten to ...
9912         (insert_vi_for_tree): This.
9913         (lookup_id_for_tree): Renamed and rewritten to ...
9914         (lookup_vi_for_tree): This.
9915         (get_id_for_tree): Renamed and rewritten to ...
9916         (get_vi_for_tree): Ditto.
9917         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
9918         (process_constraint): Don't handle INCLUDES.
9919         Remove special ADDRESSOF case.
9920         (find_func_aliases): Rewrite to use vi functions instead of id
9921         ones.
9922         (create_function_info_for): Ditto.
9923         (create_variable_info_for): Ditto.
9924         (intra_create_variable_infos): Ditto.
9925         (merge_smts_into): Ditto.
9926         (find_what_p_points_to): Ditto.
9927         (init_base_vars): Ditto.
9928         (init_alias_vars): Ditto.
9929         (remove_preds_and_fake_succs): New function.
9930         (dump_sa_points_to_info): Dump new stats.
9931         (dump_solution_for_var): Use find.
9932         (set_used_smts): Fix formatting.
9933         (compute_points_to_sets): Updated for new functions.
9934         (ipa_pta_execute): Ditto.
9935
9936 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9937             Richard Sandiford  <richard@codesourcery.com>
9938
9939         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
9940         parallels.
9941         * calls.c (expand_call): If the return value is a PARALLEL,
9942         extract its first member.
9943         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
9944         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
9945         use FUNCTION_EXTRA_EPILOGUE.
9946         (m68k_function_value): Return a PARALLEL if the return value
9947         is of a pointer type.
9948         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
9949         (FUNCTION_EXTRA_EPILOGUE): Remove.
9950         * config/m68k/m68k.md (D0_REG): New constant.
9951
9952 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9953
9954         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
9955         output a NOP for empty epilogues.
9956
9957 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9958
9959         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
9960         before function.  Extend register save check to include all
9961         registers, not just integer ones.
9962
9963 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9964
9965         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
9966         (m68k_use_return_insn): ...this.
9967         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
9968         * config/m68k/m68k.c (use_return_insn): Rename to...
9969         (m68k_use_return_insn): ...this.
9970         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
9971         of USE_RETURN_INSN.
9972
9973 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9974
9975         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
9976         nearest even, fix denormal rounding overflow.
9977
9978 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9979
9980         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
9981         f%$smove and f%$move.
9982         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
9983         (extendsfdf2_cf): Use fdmove instead of f%&move.
9984         (truncdfsf2_cf): Use fsmove instead of f%$smove.
9985         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
9986
9987 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9988
9989         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
9990         GPR<-GPR moves.
9991
9992 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9993
9994         * real.h (real_format): Add a canonical_nan_lsbs_set field.
9995         (coldfire_single_format): Declare.
9996         (coldfire_double_format): Likewise.
9997         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
9998         of qnan_msb_set to determine the lower bits of a canonical
9999         NaN significand.
10000         (encode_ieee_double): Likewise.
10001         (encode_ieee_quad): Likewise.
10002         (ieee_single_format): Initialize canonical_nan_lsbs_set.
10003         (mips_single_format): Likewise.
10004         (ieee_double_format): Likewise.
10005         (mips_double_format): Likewise.
10006         (ieee_extended_motorola_format): Likewise.
10007         (ieee_extended_intel_96_format): Likewise.
10008         (ieee_extended_intel_128_format): Likewise.
10009         (ieee_extended_intel_96_round_53_format): Likewise.
10010         (ibm_extended_format): Likewise.
10011         (mips_extended_format): Likewise.
10012         (ieee_quad_format): Likewise.
10013         (mips_quad_format): Likewise.
10014         (vax_f_format): Likewise.
10015         (vax_d_format): Likewise.
10016         (vax_g_format): Likewise.
10017         (i370_single_format): Likewise.
10018         (i370_double_format): Likewise.
10019         (decimal_single_format): Likewise.
10020         (decimal_double_format): Likewise.
10021         (decimal_quad_format): Likewise.
10022         (c4x_single_format): Likewise.
10023         (c4x_extended_format): Likewise.
10024         (real_internal_format): Likewise.
10025         (coldfire_single_format): New real_format.
10026         (coldfire_double_format): Likewise.
10027         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
10028         canonical_nan_lsbs_set.
10029         (pdp11_d_format): Likewise.
10030         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
10031         if TARGET_COLDFIRE_CPU.
10032
10033 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10034
10035         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
10036         (output_call, m68k_legitimize_call_address): Declare.
10037         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
10038         parenthesees.  Add support for a 'W' constraint.
10039         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
10040         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
10041         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
10042         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
10043         variables.
10044         (override_options): Initialize them.  Do not set flag_no_function_cse
10045         for TARGET_ID_SHARED_LIBRARY.
10046         (m68k_output_pic_call): Delete.
10047         (m68k_legitimize_call_address): New function.
10048         (print_operand): Remove the %o prefix.  Handle the %p prefix.
10049         (output_call): New function.
10050         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
10051         target address from the GOT if symbolic jumps are not allowed.
10052         * config/m68k/m68k.md (call, general_operand): Do not set
10053         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
10054         Merge separate flag_pic and !flag_pic define_insns into...
10055         (*call, *call_value): ...these new patterns.  Match the address
10056         rather than the containing MEM and require it to be a call_operand.
10057         Use output_call to generate the asm template.
10058         * config/m68k/predicates.md (const_call_operand): New predicate.
10059         (call_operand): Likewise.
10060
10061 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10062
10063         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
10064         (STACK_GROWS_DOWNWARD): Define to 1.
10065         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
10066         comments, emphasizing that these values are only defaults.
10067         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
10068         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
10069
10070 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10071
10072         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
10073
10074 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10075             Richard Sandiford  <richard@codesourcery.com>
10076
10077         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
10078         (FP_REGNO_P): New macros.
10079         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
10080         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
10081         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
10082         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
10083
10084 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10085
10086         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10087         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
10088         to $tmake_file.
10089         * config/m68k/t-floatlib: New file, extracting common code from...
10090         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
10091         * config/m68k/t-uclinux: Here.
10092         * config/m68k/fpgnulib.c: Do not compile extendeed precision
10093         routines on ColdFire targets.
10094
10095 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10096
10097         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10098         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
10099         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
10100         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
10101         explicitly set MOTOROLA to 1.
10102         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
10103
10104 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10105             Nathan Sidwell  <nathan@codesourcery.com>
10106
10107         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
10108         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
10109         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
10110         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
10111         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
10112         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
10113         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
10114         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
10115         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
10116         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10117         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
10118         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
10119         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
10120         (DBX_REGISTER_NUMBER): Delete.
10121         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
10122         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10123         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
10124
10125 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10126
10127         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
10128         * config/flat.h: New file.
10129         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
10130         OBJECT_FORMAT_FLAT.
10131         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
10132         indirect references for -msep-data or -mid-shared-library.
10133         Do not use PC-relative code addresses either.
10134         * config/m68k/m68k.c (override_options): Restrict -fPIC error
10135         to -mpcrel.
10136         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
10137         for shared libraries and crt1.o for executables.  Use crti.o and
10138         crtbegin.o.
10139         (ENDFILE_SPEC): Use crtend.o and crtn.o.
10140         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
10141         Do not add -elf2flt or -shared-lib-id options here.
10142         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
10143         Pass -shared-lib-id if -mid-shared-library, taking the library
10144         identifier from -mshared-library-id if given, otherwise
10145         defaulting to 0.
10146         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
10147         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
10148         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
10149         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
10150         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
10151         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
10152         and crtend.o.
10153         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
10154         jump sequence for ISA A and ISA A+.
10155         (PICJUMP): Likewise.
10156
10157 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10158
10159         * config.gcc (m68k-*-uclinux*): Base the port on the common
10160         and m68k GNU/Linux files rather than on the generic ELF ones.
10161         * config/m68k/uclinux.h (TARGET_VERSION): Override.
10162         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
10163
10164 2007-01-18  Julian Brown  <julian@codesourcery.com>
10165             Richard Sandiford  <richard@codesourcery.com>
10166
10167         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
10168         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10169         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
10170         before redefining.
10171         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
10172         80 unconditionally.
10173         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10174
10175 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10176
10177         * doc/install.texi: Document m68k-uclinuxoldabi.
10178         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
10179         * config/m68k/uclinux-oldabi.h: New file, copied from
10180         config/m68k/uclinux.h.
10181
10182 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
10183
10184         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
10185         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
10186         (m32r_compute_frame_size): Use unsigned for regno.
10187         (m32r_reload_lr): Use gen_frame_mem.
10188         (pop): New.
10189         (m32r_output_function_epilogue): Don't output the function epilogue
10190         textually here.
10191         (m32r_expand_epilogue): New.
10192         (direct_return): Return false if the function has the interrupt
10193         attribute.
10194         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
10195         * config/m32r/m32r.md (epilogue): New expander.
10196         (return_lr, return_rte): New insns.
10197         (return): Make it expander.
10198         (return_normal): New expander.
10199
10200 2007-01-18  Josh Conner  <jconner@apple.com>
10201
10202         PR target/30485
10203         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
10204         support for UNLE, UNLT, UNGE, and UNGT.
10205
10206 2007-01-18  Jan Hubicka  <jh@suse.cz>
10207
10208         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
10209         * tree-tailcall (add_virtual_phis): Likewise.
10210         (optimize_tail_call): Return TODOs.
10211         (execute_tail_calls): Return TODOs.
10212         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
10213         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
10214         changed.
10215         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
10216         Cleanup cfg using TODO.
10217         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
10218         * passes.c (execute_function_todo): When cleanup did something, remove
10219         unused locals.
10220         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
10221         (make_edges): Don't cleanup_cfg.
10222
10223 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
10224
10225         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
10226         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
10227         operate on the top of stack.
10228         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
10229         register handling of instructions that output to the second
10230         stack slot.
10231         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
10232         (move_for_stack_reg): Special-case check for dead destination
10233         stack slot for constant load of 1.0 inside UNSPEC_TAN.
10234
10235         * config/i386/i386.md (UNSPEC_TAN): New constant.
10236         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
10237         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
10238         to correctly model move of constant 1.0 to top stack slot.
10239         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
10240         (unnamed peephole2 pattern): Remove corresponding peephole2
10241         pattern that optimizes tan insn and loading of constant 1.0.
10242         (tanxf2): Use fptanxf4_i387.
10243         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
10244         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
10245         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10246         disable patterns for SSE math.
10247         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
10248         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
10249
10250 2007-01-18  Dirk Mueller  <dmueller@suse.de>
10251             Richard Guenther <rguenther@suse.de>
10252
10253         PR diagnostic/8268
10254         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
10255         * common.opt (Warray-bounds): Add new warning option.
10256         * c-opts.c (c_common_handle_option): Define -Warray-bounds
10257         if -Wall is given.
10258         * Makefile.in: make tree-vrp.o depend on toplev.h
10259         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
10260         is enabled.
10261         (check_array_refs, check_array_bounds, check_array_ref): New.
10262
10263 2007-01-18  Jan Hubicka  <jh@suse.cz>
10264
10265         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
10266         (execute_ssa_ccp): Return flags conditionally.
10267         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
10268         changed.
10269         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
10270
10271 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
10272
10273         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
10274         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
10275
10276         * Makefile.c (GTFILES): Add cfglayout.h.
10277         * gengtype.c (open_base_files): Likewise.
10278         * cfglayout.c (cfg_layout_function_footer,
10279         cfg_layout_function_header) Reindent to make gengtype happy.
10280         * cfglayout.h (cfg_layout_function_footer,
10281         cfg_layout_function_header): Add GTY(()) marker.
10282
10283         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
10284
10285 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10286
10287         * genautomata.c (write_automata): Include xstrerror output in the
10288         error message if writing the DFA description file fails.
10289
10290 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
10291
10292         * config/mips/mips-protos.h (mips_output_external): Make it
10293         return void.
10294         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
10295         * config/mips/mips.c (irix_output_external_libcall): Likewise.
10296         (extern_list): Likewise.
10297         (extern_head): Likewise.
10298         (TARGET_ASM_FILE_END): Likewise.
10299         (mips_file_end): Likewise.
10300         (mips_output_external): Rewritten.
10301
10302 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10303
10304         * genpreds.c (write_insn_preds_c): Only write out the function
10305         body for regclass_for_constraint if we have register constraints.
10306
10307 2007-01-17  Tom Tromey  <tromey@redhat.com>
10308
10309         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
10310         * doc/install.texi (Testing): Use sourceware.org.
10311         (Binaries): Likewise.
10312         (Specific): Likewise.
10313         * doc/contrib.texi (Contributors): Use sourceware.org.
10314
10315 2007-01-17  Anatoly Sokolov <aesok@post.ru>
10316
10317         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
10318         (AVR_ENHANCED): Rename to ...
10319         (AVR_HAVE_MUL): ... new.
10320         (avr_enhanced_p): Rename to ...
10321         (avr_have_mul_p): ... new.
10322         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
10323         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
10324         * config/avr/avr.c (avr_enhanced_p): Rename to ...
10325         (avr_have_mul_p): ... new.
10326         (base_arch_s): Rename 'enhanced' to 'have_mul'.
10327         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
10328         'avr_enhanced_p' and 'enhanced'.
10329         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
10330         AVR_HAVE_MUL instead of AVR_ENHANCED.
10331         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10332         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
10333         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
10334         instead of AVR_ENHANCED.
10335         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10336         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
10337         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
10338
10339 2007-01-17  Ian Lance Taylor  <iant@google.com>
10340
10341         * vec.h (VEC_reserve_exact): Define.
10342         (vec_gc_p_reserve_exact): Declare.
10343         (vec_gc_o_reserve_exact): Declare.
10344         (vec_heap_p_reserve_exact): Declare.
10345         (vec_heap_o_reserve_exact): Declare.
10346         (VEC_OP (T,A,reserve_exact)): New static inline function, three
10347         versions.
10348         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
10349         negative parameter.
10350         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
10351         (VEC_OP (T,A,copy)) [all versions]: Likewise.
10352         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
10353         * vec.c (calculate_allocation): Add exact parameter.  Change all
10354         callers.
10355         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
10356         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
10357         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
10358         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
10359         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
10360         (vec_heap_p_reserve_exact): New function.
10361         (vec_heap_o_reserve_exact): New function.
10362
10363 2007-01-17  Jan Hubicka  <jh@suse.cz>
10364
10365         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
10366
10367 2007-01-17  Eric Christopher  <echristo@apple.com>
10368
10369         * config.gcc: Support core2 processor.
10370
10371 2007-01-16  Jan Hubicka  <jh@suse.cz>
10372
10373         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
10374         the names, just unlink the chain so we don't crash on dangling pointers
10375         to dead SSA names.
10376
10377 2007-01-16  Jan Hubicka  <jh@suse.cz>
10378
10379         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
10380         * tree-pass.h: Reorder to make IPA passes appear toegher.
10381         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
10382         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
10383         parameters, do not call early inliner.
10384         * ipa-inline.c: Update comments.  Include tree-flow.h
10385         (cgraph_decide_inlining): Do not compute inlining parameters.
10386         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
10387         be called with function context set up.
10388         (pass_ipa_inline): Remove unreachable functions before pass.
10389         (cgraph_early_inlining): Simplify assuming to be called from the
10390         PM as local pass.
10391         (pass_early_inline): New pass.
10392         (cgraph_gate_ipa_early_inlining): New gate.
10393         (pass_ipa_early_inline): Turn into simple wrapper.
10394         (compute_inline_parameters): New function.
10395         (gate_inline_passes): New gate.
10396         (pass_inline_parameters): New pass.
10397         (apply_inline): Move here from tree-optimize.c
10398         (pass_apply_inline): New pass.
10399         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
10400         transforming.
10401         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
10402         doing them by hand.
10403         (tree_function_versioning): Do not allocate dummy struct function.
10404         * tree-inline.h (optimize_inline_calls): Update prototype.
10405         * tree-optimize.c (execute_fixup_cfg): Export.
10406         (pass_fixup_cfg): Remove
10407         (tree_rest_of_compilation): Do not apply inlines.
10408         * tree-flow.h (execute_fixup_cfg): Declare.
10409         * Makefile.in (gt-passes.c): New.
10410         * passes.c: Include gt-passes.h
10411         (init_optimization_passes): New passes.
10412         (nnodes, order): New static vars.
10413         (do_per_function_toporder): New function.
10414         (execute_one_pass): Dump current pass here.
10415         (execute_ipa_pass_list): Don't dump current pass here.
10416
10417 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
10418
10419         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
10420         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
10421
10422 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
10423
10424         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
10425         (strong_alias): Define.
10426         (__gcc_qmul): Provide non-FMA for soft-float.
10427         (__gcc_qdiv): Same.
10428         (__gcc_qneg): New.
10429         (__gcc_qeq): New.
10430         (__gcc_qle): New.
10431         (__gcc_qge): New.
10432         (__gcc_qunord): New.
10433         (__gcc_stoq): New.
10434         (__gcc_dtoq): New.
10435         (__gcc_qtos): New.
10436         (__gcc_qtod): New.
10437         (__gcc_qtoi): New.
10438         (__gcc_qtou): New.
10439         (__gcc_itoq): New.
10440         (__gcc_utoq): New.
10441         (fmsub): New.
10442         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
10443         soft-float functions.
10444         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
10445         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
10446         about long double soft float.
10447
10448 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
10449             Tehila Meyzels  <tehila@il.ibm.com>
10450
10451         * tree-vectorizer.h (is_pattern_stmt_p): New.
10452         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
10453         formatting (tabs instead of spaces). Cleanup and clarify setting
10454         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
10455         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
10456         (vectorizable_type_demotion): Check that types are integral.
10457         (vectorizable_type_promotion): Likewise.
10458         (vectorizable_store): Fix typo.  Eliminate new-line at end of
10459         comments.
10460
10461 2007-01-16  Jan Hubicka  <jh@suse.cz>
10462
10463         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
10464         cgraph edges too.
10465
10466 2007-01-15  Eric Christopher  <echristo@apple.com>
10467
10468         * ifcvt.c: Include vec.h, vecprim.h.
10469         (check_cond_move_block): New argument regs.
10470         Reorganize. Add registers used to regs.
10471         (cond_move_process_if_block): Use regs set above as
10472         loop bounds.
10473
10474 2007-01-15  Eric Christopher  <echristo@apple.com>
10475
10476         * config/darwin.h: Update copyright.
10477         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
10478         (LINK_COMMAND_SPEC): Add -u.
10479         (LINK_SPEC): Fix umbrella for above.
10480
10481 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
10482
10483         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
10484         glibc CVS.
10485
10486 2007-01-15  Tom Tromey  <tromey@redhat.com>
10487
10488         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
10489         * doc/install.texi (Testing): Don't mention jacks.
10490         (Configuration): Document --enable-java-maintainer-mode.  Move
10491         --with-java-home to libgcj-specific section.  Document
10492         --with-ecj-jar.
10493         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
10494
10495 2007-01-15  Jan Hubicka  <jh@suse.cz>
10496
10497         * tree-ssa-dce.c (DCE_TODOs): New.
10498         (propagate_necessity): Return if something changed.
10499         (eliminate_unnecessary_stmts): Likewise.
10500         (perform_tree_ssa_dce): Return TODO flags when needed.
10501         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
10502
10503 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
10504
10505         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
10506         (fyl2x_extend<mode>xf3_i387): New insn pattern.
10507         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
10508         patterns using X87MODEF12 mode macro.  Extend operand 1
10509         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10510         (log10<mode>2): Ditto.
10511         (log2<mode>2): Ditto.
10512         (log1p<mode>2): Ditto.
10513         (logb<mode>2): Ditto.
10514         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
10515         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
10516         (*fxtractxf3_i387): Rename from *fxtractxf3.
10517         (fxtract_extend<mode>xf3_i387): New insn pattern.
10518         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
10519         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
10520         and gen_fyl2xxf3_i387().
10521
10522 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
10523
10524         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
10525         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
10526         get_loop_exit_edges.  Changed return type to bool.
10527         * cfgloop.h (fix_loop_placement): Declaration removed.
10528
10529 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
10530
10531         * param.h (MIN_VECT_LOOP_BOUND): New.
10532         * params.def (MIN_VECT_LOOP_BOUND): New.
10533         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
10534         argument - minimum threshold for number of iterations.
10535         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
10536         argument to declaration.
10537         * tree-vect-analyze.c (vect_analyze_operations): Check value of
10538         MIN_VECT_LOOP_BOUND.
10539         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
10540         slpeel_tree_peel_loop_to_edge with additional argument.
10541         (vect_do_peeling_for_alignment): Likewise.
10542         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
10543
10544 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
10545
10546         PR target/30413
10547         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
10548         operands of size 1.
10549
10550 2007-01-14  Jan Hubicka  <jh@suse.cz>
10551
10552         * tree-dfa.c (remove_referenced_var): New function.
10553         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
10554         prune referenced vars list too.
10555         * tree-flow.h (remove_referenced_var): Declare.
10556
10557 2007-01-14  Jan Hubicka  <jh@suse.cz>
10558
10559         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
10560         separately.
10561         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
10562         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
10563         * except.h (verify_eh_throw_table_statements): Kill prototype.
10564         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
10565         into call exrepssions.
10566         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
10567         eh trhow verifier.
10568         * tree-cfg.c: Include pointer-set.h.
10569         (verify_node_sharing): Work on pointer set.
10570         (verify_eh_throw_stmt_node): New.
10571         (verify_stmts): Use pointers sets, verify throw_stmt.
10572
10573 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
10574
10575         * ipa-reference.c (analyze_function): Consider also addresses taken
10576         in phi nodes.
10577
10578 2007-01-12  Roger Sayle  <roger@eyesopen.com>
10579
10580         * c-typeck.c (null_pointer_constant_p): Replace use of
10581         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10582         (build_c_cast): Likewise.
10583
10584 2007-01-12  Roger Sayle  <roger@eyesopen.com>
10585
10586         * tree.h (force_fit_type_double): Remove unused final argument.
10587         * c-common.c (constant_expression_warning): Replace use of
10588         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10589         (convert_and_check): Likewise.
10590         (shorten_compare): Update call to force_fit_type_double.
10591         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
10592         * convert.c (convert_to_pointer): Update call to
10593         force_fit_type_double.
10594         * fold-const.c (force_fit_type_double): Remove overflowed_const
10595         argument.
10596         (int_const_binop, fold_convert_const_int_from_int,
10597         fold_convert_const_int_from_real, fold_div_compare,
10598         fold_sign_changed_comparison, fold_unary, fold_negate_const,
10599         fold_abs_const, fold_not_const): Remove the final argument from
10600         calls to force_fit_type_double.
10601
10602 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10603
10604         * configure.ac: Set insn to "nop" for spu-*-* also.
10605         * configure: Regenerate.
10606
10607 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
10608
10609         * builtins.def : Add BUILT_IN_FREE.
10610
10611 2007-01-12  Jan Hubicka  <jh@suse.cz>
10612
10613         PR tree-optimization/30443
10614         * tree-inline.c (tree_function_versioning): Do not optimize when
10615         cloning for inlining.
10616
10617 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
10618
10619         * doc/loop.texi: Document recording of loop exits.
10620         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
10621         (update_single_exits_after_duplication,
10622         update_single_exit_for_duplicated_loop,
10623         update_single_exit_for_duplicated_loops): Removed.
10624         (duplicate_loop_to_header_edge): Do not call
10625         update_single_exits_after_duplication and
10626         update_single_exit_for_duplicated_loops.
10627         (loop_version): Do not update single_exit information.
10628         (fix_loop_structure): Use record_loop_exits instead of
10629         mark_single_exit_loops.
10630         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
10631         the lists of loop exits.
10632         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
10633         split_edge, merge_blocks): Update the lists of loop exits.
10634         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
10635         loop_optimizer_init.
10636         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
10637         of mark_single_exit_loops.
10638         (loop_optimizer_finalize): Call release_recorded_exits.
10639         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
10640         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
10641         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
10642         update single exit information.
10643         * lambda-code.c (perfect_nestify): Ditto.
10644         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
10645         (mark_single_exit_loops): Removed.
10646         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
10647         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
10648         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
10649         functions.
10650         (get_loop_exit_edges, single_exit): Use recorded exit lists.
10651         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
10652         (verify_loop_structure): Verify consistency of the exit lists.
10653         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
10654         (set_single_exit): Removed.
10655         * cfgloop.h (struct loop_exit): New function.
10656         (struct loop): single_exit_ field replaced by exits field.
10657         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
10658         (struct loops): Added exits hash.
10659         (mark_single_exit_loops, set_single_exit): Declaration removed.
10660         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
10661
10662 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10663
10664         * doc/invoke.texi: Avoid use of @headitem.
10665
10666 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10667
10668         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
10669
10670 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10671
10672         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
10673         list of targets.
10674
10675 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
10676             Richard Sandiford  <richard@codesourcery.com>
10677
10678         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
10679         * config/m68k/m68k.opt: Resort options.
10680         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
10681
10682 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
10683             Richard Sandiford  <richard@codesourcery.com>
10684
10685         * doc/invoke.texi: Document the macros that are defined by
10686         m68k's -mtune and -mhard-float options.
10687         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
10688         (m68k_cpp_cpu_family): Likewise.
10689         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
10690         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
10691         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
10692         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
10693         (m68k_cpp_cpu_family): Likewise.
10694
10695 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10696
10697         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
10698         macros besides mc68000 as tuning macros.  Use a switch statement
10699         to set them and mcpu32.
10700
10701 2007-01-12  Julian Brown  <julian@codesourcery.com>
10702
10703         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
10704         (TARGET_68040_ONLY): Rename to...
10705         (TARGET_68040): ...this.
10706         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
10707         * config/m68k/m68k.md: Likewise.
10708
10709 2007-01-12  Julian Brown  <julian@codesourcery.com>
10710             Nathan Sidwell  <nathan@codesourcery.com>
10711             Richard Sandiford  <richard@codesourcery.com>
10712
10713         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
10714         the -mcpu= argument associated with the --with-cpu setting.
10715         Define M68K_DEFAULT_TUNE to the default -mtune= option,
10716         if different from the one implied by the -mcpu setting.
10717         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
10718         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
10719         * doc/invoke.texi: Mention ColdFire in the introduction to the
10720         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
10721         -mno-div and -mhard-float options.  Make -m68881 a synonym for
10722         -mhard-float.  Document the previously-undocumented -m5206e,
10723         -m528x, -m5307 and -m5407 options.  Tweak the existing option
10724         documentation for consistency.
10725         * doc/install.texi: Mention new --with-cpu arguments.
10726         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
10727         default CPU if neither -mcpu nor -march are specified.
10728         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
10729         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
10730         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
10731         using m68k_tune to decide between families that implement the
10732         same ISA.  Use m68k_tune to set __mcfv4e__.
10733         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
10734         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
10735         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
10736         (FL_ISA_C, FL_ISA_MMU): New macros.
10737         (MASK_COLDFIRE): Delete.
10738         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
10739         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
10740         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
10741         (TARGET_HARD_FLOAT): Do not define here.
10742         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
10743         (TUNE_68000): New macro.
10744         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
10745         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
10746         (TUNE_CFV2): Redefine in terms of m68k_tune.
10747         (uarch_type, target_device, fpu_type): New enums.
10748         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
10749         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
10750         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
10751         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
10752         (FL_FOR_isa_c): New macros.
10753         (m68k_isa): New enum.
10754         (m68k_target_selection): New structure.
10755         (all_devices, all_isas, all_microarchs): New tables.
10756         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
10757         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
10758         (MASK_ALL_CPU_BITS): Delete.
10759         (m68k_find_selection): New function.
10760         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
10761         Map the legacy target options to a combination of the new ones.
10762         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
10763         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
10764         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
10765         settings.
10766         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
10767         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
10768         properties.
10769         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
10770         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
10771         * config/m68k/m68k-devices.def: New file.
10772
10773 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10774             Nathan Sidwell  <nathan@codesourcery.com>
10775
10776         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
10777         (SUBTARGET_EXTRA_SPECS): New macros.
10778         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
10779         use %(asm_cpu_spec) instead.
10780         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
10781         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
10782         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
10783         (EXTRA_SPECS): Rename to...
10784         (SUBTARGET_EXTRA_SPECS): ...this.
10785
10786 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
10787             Richard Sandiford  <richard@codesourcery.com>
10788             Julian Brown  <julian@codesourcery.com>
10789
10790         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10791         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
10792         to the configuration's default CPU.
10793         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
10794         Remove default masks.
10795         (m680[012]0-*-*): Set the default with_cpu to the first part of
10796         the target name.
10797         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
10798         (m68k*-*-linux): Extend the --with-cpu handling to...
10799         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
10800         and m68010.  Don't set target_cpu_default2.
10801         * doc/install.texi: Document --with-cpu for m68k.
10802         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
10803         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
10804         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
10805         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
10806         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
10807         (ASM_SPEC): Remove use of %(asm_cpu_default).
10808         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
10809         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
10810         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
10811         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
10812         __HAVE_FPU__ if TARGET_HARD_FLOAT.
10813         (TARGET_DEFAULT): Delete.
10814         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
10815         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
10816         (CPP_CPU_SPEC): Delete.
10817         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
10818         the appropriate string.
10819         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
10820         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
10821         (ASM_SPEC): Don't use %(asm_default_spec).
10822         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10823         TARGET_DEFAULT and add MASK_68881.
10824         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
10825
10826 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10827
10828         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
10829         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
10830         MASK_68010 alongside MASK_68020.
10831         * doc/invoke.texi: Document -m68010.
10832         * config/m68k/m68k.opt (m68010): New.
10833         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
10834         if TUNE_68010.
10835         (TUNE_68010): New macro.
10836         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
10837         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
10838         (M68K_CPU_m68332): Add MASK_68010.
10839         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
10840         fallback definition.
10841         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
10842         defines.
10843         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
10844         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
10845         to all entries that use MASK_68020.
10846         (output_move_simode_const, output_move_himode, output_move_qimode)
10847         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
10848         instead of TARGET_68020 to select clr behavior.  Remove comment
10849         about there being no TARGET_68010.
10850         * config/m68k/m68k.md: Likewise throughout.
10851
10852 2007-01-12  Julian Brown  <julian@codesourcery.com>
10853
10854         * config/m68k/m68k.h (TARGET_ISAB): New macro.
10855         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
10856         * config/m68k/m68k.md: Likewise.
10857
10858 2007-01-12  Julian Brown  <julian@codesourcery.com>
10859
10860         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
10861         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
10862
10863 2007-01-12  Julian Brown  <julian@codesourcery.com>
10864
10865         * config/m68k/m68k.h (TUNE_68040_60): New macro.
10866         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
10867         * config/m68k/m68k.md: Likewise.
10868
10869 2007-01-12  Julian Brown  <julian@codesourcery.com>
10870             Richard Sandiford  <richard@codesourcery.com>
10871
10872         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
10873         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
10874         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
10875         TARGET_CPU32.
10876         (TARGET_CPU32): Rename to...
10877         (TUNE_CPU32): ...this.
10878         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
10879         (TUNE_CFV2): New macros.
10880         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
10881         remove conditions that are implied by TARGET_68020.
10882         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
10883         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
10884         (m68k_output_function_epilogue): Likewise.
10885         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
10886         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
10887         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
10888         non-68000 timings.  Refactor multiplication and division costs.
10889         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
10890         TUNE_CPU32 instead of TARGET_CPU32.
10891         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
10892         and TUNE_68060 instead of TARGET_68060.
10893         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
10894         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
10895         TARGET_CPU32.
10896         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
10897         && !TARGET_COLDFIRE" to choose between moveq and clr.
10898         Likewise in the unnamed movsf pattern.
10899         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
10900         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
10901         ashiftrt pattern.
10902
10903 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10904
10905         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
10906         of tabbing before backslashes.
10907
10908 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10909
10910         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
10911         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
10912         (ASM_OUTPUT_INTERNAL_LABEL): Define.
10913
10914 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
10915
10916         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
10917         find_interesting_uses_cond.
10918         (find_interesting_uses_cond): Use extract_cond_operands.
10919         (rewrite_use_compare): Use extract_cond_operands and
10920         force_gimple_operand_bsi.  Do not call update_stmt.
10921         (determine_use_iv_cost_condition): Use extract_cond_operands.
10922         Return cheaper of using original bound and changing the exit bound.
10923
10924 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
10925
10926         PR tree-optimization/29516
10927         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
10928         most_expensive_mult_to_index, addr_to_parts,
10929         create_mem_ref, maybe_fold_tmr): Make the type of
10930         fields of TARGET_MEM_REF sizetype.
10931         (move_fixed_address_to_symbol, move_pointer_to_base):
10932         New functions.
10933         * tree.def (TARGET_MEM_REF): Add comment on types of
10934         the operands.
10935
10936 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
10937
10938         * c-common.c (vector_types_convertible_p): Treat opaque types as
10939         always convertible if they have the same size, but not otherwise.
10940
10941 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
10942
10943         * ifcvt.c (struct noce_if_info): Add comments to the fields.
10944         Remove the b_unconditional field.
10945         (noce_try_sign_mask): Do not look at b_unconditional.
10946         (noce_process_if_block): Do not use merge_if_blocks.  Update
10947         the CFG here.  Do not set b_unconditional.
10948         (cond_move_process_if_block): Likewise.
10949         (find_cond_trap): Likewise.
10950         (check_cond_move_block): Require simple jump insns at the end
10951         of the basic block.
10952
10953 2007-01-11  Jan Hubicka  <jh@suse.cz>
10954
10955         PR tree-optimization/1046
10956         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
10957         when alias info is not ready.
10958         (pass_tail_recursion): Do not require aliasing.
10959         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
10960         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
10961         * tree-ssa-copy.c (pass_copy_prop): Likewise.
10962         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
10963         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
10964         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
10965         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
10966         before inlining.
10967         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
10968         When aliasing is not build, mark statement as volatile.
10969
10970 2007-01-11  Tom Tromey  <tromey@redhat.com>
10971
10972         PR preprocessor/15185, PR preprocessor/20989:
10973         * doc/cppopts.texi <-MT>: Update description of algorithm for
10974         computing default target.
10975         <-M, -MD>: Reword "basename" text.
10976
10977 2007-01-11  Roger Sayle  <roger@eyesopen.com>
10978
10979         * builtins.c (expand_builtin_pow, expand_builtin_powi,
10980         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
10981         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
10982         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
10983         fold_builtin_bswap, real_constp, fold_builtin_pow,
10984         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
10985         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
10986         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10987         * convert.c (convert_to_pointer): Likewise.
10988         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
10989         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
10990         const_binop, fold_convert_const_int_from_int,
10991         fold_convert_const_int_from_real,
10992         fold_convert_const_real_from_real, sign_bit_p,
10993         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
10994         fold_sign_changed_comparison, fold_unary, fold_comparison,
10995         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
10996         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
10997         * print-tree.c (print_node_brief, print_node): Likewise.
10998         * stor-layout.c (place_field, layout_type): Likewise.
10999         * tree-chrec.c (keep_cast): Likewise.
11000         * tree.c (build_vector, build_real, build_real_from_int_cst,
11001         build_complex): Likewise.
11002
11003 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11004
11005         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
11006         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
11007
11008 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
11009
11010         * configure.ac (strict1_warn): Rename to strict_warn.
11011         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
11012         cc_set_by_configure, quoted_cc_set_by_configure,
11013         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
11014         all_boot_languages, all_stagestuff): Remove.
11015         (target_list): Remove bootstrap targets.
11016         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
11017         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
11018         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
11019         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
11020         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
11021         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
11022         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
11023         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
11024         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
11025         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
11026         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
11027         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
11028         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
11029         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
11030         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
11031         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
11032         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
11033         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
11034         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
11035         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
11036         (mostlyclean): Adjust.
11037         (clean, distclean): Don't mention bootstrap stuff.
11038         * configure: Regenerate.
11039         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
11040         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
11041         treelang/config-lang.in (stagestuff): Remove.
11042         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
11043         stageprofile, stagefeedback, stagestuff): Remove mention.
11044
11045 2007-01-11  Nick Clifton  <nickc@redhat.com>
11046
11047         * config/mcore/predicates.md (mcore_general_movesrc_operand):
11048         Accept CONSTs.
11049         (mcore_general_movdst_operand): Do not accept CONST_INTs.
11050         (mcore_arith_K_S_operand): Run the test for the S constraint not
11051         the test for the M constraint.
11052         (mcore_addsub_operand): Do not accept integer values that are
11053         larger than 32 bits.
11054         * config/mcore/mcore.md: Remove unused constraints from split.
11055         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
11056         (addsi3): Likewise.
11057         (allocate_stack): Likewise.
11058         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
11059         operands to 32 bits.
11060         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
11061         INTVAL.
11062         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
11063         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
11064         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
11065         mcore_output_bclri, mcore_output_andn, output_inline_const,
11066         mcore_output_move, mcore_output_movedouble): Likewise.
11067         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
11068         (output_inline_const): Likewise.
11069         (output_inline_const): Fix format strings used in sprintf
11070         statements.
11071         * config/mcore/mcore-protos.h: Update prototypes for changed
11072         functions in mcore.c.
11073         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
11074         HOST_WIDE_INT and not int.
11075         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
11076         CONST_OK_FOR_N): Likewise.
11077         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
11078         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
11079         an INTVAL.
11080
11081 2007-01-10  Jan Hubicka  <jh@suse.cz>
11082
11083         * tree-vrp.c (remove_range_assertions): Release defs.
11084         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
11085         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
11086
11087 2007-01-10  Paul Brook  <paul@codesourcery.com>
11088
11089         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
11090         * config/arm/arm.md (mulsi3subsi): New insn.
11091
11092 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
11093
11094         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
11095         (tree_transform_and_unroll_loop): New.
11096         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
11097         Declare.
11098
11099 2007-01-10  Robert Kennedy <jimbob@google.com>
11100
11101         * fold-const.c (fold_comparison): Fold comparisons like (x *
11102         1000 < 0) to (x < 0).
11103
11104 2007-01-10  Ian Lance Taylor  <iant@google.com>
11105
11106         * tree-pretty-print.c (dump_generic_node): Print parentheses when
11107         operands have the same priority.
11108
11109 2007-01-10  Tom Tromey  <tromey@redhat.com>
11110
11111         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
11112         (fold_binary): Likewise.
11113         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
11114         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
11115         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
11116         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
11117         * langhooks.h (struct lang_hooks): Removed field
11118         'can_use_bit_fields_p'.
11119
11120 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
11121
11122         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
11123
11124 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
11125
11126         * function.c (get_last_funcdef_no): New function.
11127         * function.h (get_last_funcdef_no): Declare.
11128         * tree-inline.c (initialize_cfun): Add initialization.
11129         (tree_function_versioning): Cleanup.
11130
11131 2007-01-10  Jan Hubicka  <jh@suse.cz>
11132
11133         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
11134         PHIs.
11135
11136 2007-01-10  Sa Liu  <saliu@de.ibm.com>
11137             Ben Elliston  <bje@au.ibm.com>
11138
11139         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
11140         for SAVE_NONLOCAL and Pmode for any other save level.
11141         * spu-protos.h (spu_restore_stack_block): Declare.
11142         * spu.md (save_stack_block): Remove.
11143         (restore_stack_block): Call spu_restore_stack_block.
11144         * spu.c (spu_restore_stack_block): New function.
11145         (spu_expand_epilogue): Remove old comment.
11146
11147 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
11148
11149         PR tree-optimization/30322
11150         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
11151         (cand_value_at): Return the value as aff_tree.
11152         (may_eliminate_iv): Convert the bound from aff_tree to tree.
11153         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
11154         aff_combination_mult): New functions.
11155         (aff_combination_add): Use aff_combination_add_cst.
11156         (aff_combination_convert): Allow conversions to a wider type.
11157         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
11158         * tree-affine.h (aff_combination_mult): Declare.
11159
11160 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
11161
11162         * doc/tm.texi: Update documentation to reflect reality of exec
11163         and start file search behaviours. Update copyright year.
11164         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
11165         header file directories.
11166
11167 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
11168
11169         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
11170         (*cosxf2): Rename to cosxf2_i387.
11171         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
11172         using X87MODEF12 mode macro. Rename patterns to
11173         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
11174         for SSE math.
11175         (*cosdf2, *cossf2): Ditto.
11176         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
11177         to match extended input operands.
11178         (sincos<mode>3): New expander.
11179         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
11180         insn patterns and corresponding splitters.
11181
11182 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
11183
11184         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
11185         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
11186
11187 2007-01-09  Nicolas Pitre  <nico@cam.org>
11188
11189         PR target/30173
11190         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
11191
11192 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11193
11194         * target.h (struct gcc_target): New field library_rtti_comdat.
11195         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
11196         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
11197         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
11198         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
11199
11200 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11201
11202         * doc/invoke.texi (Optimize Options): Correct description of -O0.
11203
11204 2007-01-08  Richard Guenther  <rguenther@suse.de>
11205
11206         * tree.h (force_fit_type_double): Export.
11207         (force_fit_type): Remove.
11208         * fold-const.c (force_fit_type_double): New function.
11209         (force_fit_type): Remove.
11210         (int_const_binop): Use it.
11211         (fold_convert_const_int_from_int): Likewise.
11212         (fold_convert_const_int_from_real): Likewise.
11213         (fold_div_compare): Likewise.
11214         (fold_sign_changed_comparison): Likewise.
11215         (fold_unary): Likewise.
11216         (fold_negate_const): Likewise.
11217         (fold_abs_const): Likewise.
11218         (fold_not_const): Likewise.
11219         * c-common.c (shorten_compare): Use force_fit_type_double.
11220         * convert.c (convert_to_pointer): Likewise.
11221
11222 2007-01-08  Richard Guenther  <rguenther@suse.de>
11223
11224         * tree.h (build_int_cst_wide_type): Export.
11225         * tree.c (build_int_cst_wide_type): New function.
11226         (build_int_cst_wide): Fix comment.
11227         * builtins.c (fold_builtin_object_size): Use build_int_cst
11228         to build -1 or 0 of the correct type.  Use fit_double_type
11229         to check for overflow.
11230         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
11231         to build the mask.
11232         (decode_field_reference): Likewise.
11233         (all_ones_mask_p): Likewise.
11234         (native_interpret_int): Use build_int_cst_wide_type.
11235         (fold_binary): Use build_int_cst_type to build an all-ones
11236         value.
11237         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
11238
11239 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
11240
11241         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
11242
11243 2007-01-09  Ben Elliston  <bje@au.ibm.com>
11244
11245         * genautomata.c (STATS_OPTION): New option.
11246         (stats_flag): New flag.
11247         (gen_automata_option): Handle it.
11248         (initiate_automaton_gen): Ditto.
11249         (write_automata): Output statistics only if stats_flag is
11250         set. Likewise, output time statistics only if time_flag is set.
11251         * doc/md.texi (Processor pipeline description): Document new flag.
11252
11253 2007-01-08  Richard Guenther  <rguenther@suse.de>
11254
11255         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
11256         * tree.c (build_int_cst_type): Likewise.
11257         (size_in_bytes): Don't call force_fit_type on the result.
11258         (int_fits_type_p): Use fit_double_type.
11259         * fold-const.c (fit_double_type): New function.
11260         (force_fit_type): Use it.
11261         * tree.h (fit_double_type): Export.
11262
11263 2007-01-08  Jan Hubicka  <jh@suse.cz>
11264
11265         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
11266         * ipa.c (function_and_variable_visibility): Fix return type.
11267
11268 2007-01-08  Richard Guenther  <rguenther@suse.de>
11269
11270         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
11271         of offset to build the index.
11272         * tree-pretty-print.c (dump_generic_node): Don't build negated
11273         const just for printing.
11274         * c-pretty-print.c (pp_c_integer_constant): Likewise.
11275         * builtins.c (fold_builtin_int_roundingfn): Check if result
11276         fits the type by using force_fit_type and comparing the result.
11277         * predict.c (predict_loops): Use compare_tree_int for comparison.
11278         * tree.c (build_int_cst): Fall back to integer_type_node for
11279         NULL_TREE type.
11280         (build_int_cst_wide): Assert type is non-null.
11281
11282 2007-01-08  Roberto Costa  <roberto.costa@st.com>
11283
11284         * tree-vrp.c (extract_range_from_cond_expr): New.
11285         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
11286         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
11287         as expressions.
11288         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
11289         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
11290         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
11291         used as expressions.
11292         * tree-object-size.c (cond_expr_object_size): New.
11293         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
11294
11295 2007-01-08  Jan Hubicka  <jh@suse.cz>
11296
11297         * tree-ssa-forwprop.c (forward_propagate_into_cond,
11298         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
11299         statement.
11300
11301 2007-01-08  Richard Guenther  <rguenther@suse.de>
11302
11303         PR tree-optimization/23603
11304         * tree-vrp.c (set_value_range_to_truthvalue): New function.
11305         (extract_range_from_binary): Fall back to truthvalue instead of
11306         varying for TRUTH_*_EXPR.
11307         (extract_range_from_comparison): Fall back to truthvalue instead of
11308         varying.
11309         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
11310         if all visited PHI values were constant.
11311
11312 2007-01-08  Jan Hubicka  <jh@suse.cz>
11313
11314         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
11315         (cgraph_analyze_function): break out from ...
11316         (cgraph_finalize_compilation_unit): ... here.
11317         (cgraph_expand_function): Remove forgoten commented out line.
11318         (cgraph_optimize): Analyze functions.
11319
11320 2007-01-08  Jan Hubicka  <jh@suse.cz>
11321
11322         * tree-pas.h (TODO_remove_function): New flag.
11323         (TODO_update*): Renumber.
11324         (pass_ipa_increase_alignment,
11325         pass_ipa_function_and_variable_visibility): New passes.
11326         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
11327         (cgraph_function_and_variable_visibility): Move to ipa.c
11328         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
11329         cgraph_increase_alignment.
11330         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
11331         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
11332         calling tree-inline.
11333         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
11334         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
11335         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
11336         (gate_increase_alignment): New function.
11337         (pass_ipa_increase_alignment): New pass.
11338         * ipa.c: Inline tree-pass.h and timevar.h
11339         (function_and_variable_visibility): Move here from cgraphunit.c
11340         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
11341         * passes.c (init_optimization_passes): Add the two new passes.
11342         (execute_todo): Handle cgraph_remove_functions.
11343
11344 2007-01-08  Nick Clifton  <nickc@redhat.com>
11345
11346         * config/frv/predicates.md (reg_or_0_operand): Accept
11347         CONST_DOUBLEs.
11348
11349 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
11350
11351         * config/bfin/rtems.h, config/bfin/t-rtems: New.
11352         * config.gcc: Add bfin*-rtems*.
11353
11354 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11355
11356         * c.opt: Add -flax-vector-conversions.
11357         * c-typeck.c (convert_for_assignment): Pass flag to
11358         vector_types_convertible_p to allow emission of note.
11359         (digest_init): Likewise.
11360         * c-opts.c: Handle -flax-vector-conversions.
11361         * c-common.c (flag_lax_vector_conversions): New.
11362         (vector_types_convertible_p): Unless -flax-vector conversions
11363         has been passed, disallow conversions between vectors with
11364         differing numbers of subparts and/or element types.  If such
11365         a conversion is disallowed, possibly emit a note on the first
11366         occasion only to inform the user of -flax-vector-conversions.
11367         The new last argument specifies this.
11368         * c-common.h (flag_lax_vector_conversions): New.
11369         (vector_types_convertible_p): Add extra argument.
11370         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
11371         char_type_node for V*QI type vectors.
11372         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
11373         Update to satisfy new typechecking rules.
11374         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
11375         C and C++ variants.
11376         * doc/invoke.texi (C Dialect Options): Document
11377         -flax-vector-conversions.
11378
11379 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11380
11381         PR tree-optimization/29877
11382         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
11383         a register variable on the RHS to not be replaceable.
11384
11385 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
11386         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
11387         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
11388         const_simm15, const_pow2, const_npow2): Added.
11389         * config/score/misc.md (insv, extv, extzv, movmemsi,
11390         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
11391         * config/score/score.c (score_address_cost, score_select_cc_mode):
11392         Added.
11393         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
11394         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
11395         Update score_print_operand.
11396         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
11397         Adjust register allocate order and update some macro define.
11398         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
11399         mdx_block_move_straight, mdx_block_move_loop_head,
11400         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
11401         mdx_block_move): Added.
11402         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
11403         mdp_limm): Updated and fix some bug and typo.
11404         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
11405         (movsf, movdf, doloop_end): Added.
11406
11407 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
11408
11409         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
11410         config/arm/thumb2.md: Fix comment typos.
11411         * doc/extend.texi: Fix a typo.
11412
11413 2007-01-07  Eric Christopher  <echristo@apple.com>
11414
11415         * configure.ac: Check for __stack_chk_fail for darwin.
11416         * configure: Regenerate.
11417
11418 2007-01-07  Richard Guenther  <rguenther@suse.de>
11419
11420         * tree-vrp.c (extract_range_from_assert): CSE calls to
11421         compare_values where possible.
11422         (extract_range_from_unary_expr): Likewise.
11423
11424 2007-01-07  Anatoly Sokolov <aesok@post.ru>
11425
11426         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
11427         * config/avr/avr.c (call_insn_operand): Delete function.
11428         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
11429         instead of register number. Use predicates.
11430         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
11431         call_insn_operand): Add.
11432
11433 2007-01-06  Jan Hubicka  <jh@suse.cz>
11434
11435         * tree-pass.h (pass_build_cgraph_edges): Declare.
11436         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
11437         (visited_nodes): Remove.
11438         (cgraph_create_edges): Move to cgraphbuild.c; rename to
11439         build_cgrpah_edges; make visited_nodes local.
11440         (cgraph_process_new_functions): DO not call initialize_inline_failed.
11441         (record_references_in_initializer): Move to cgraphbuild.c
11442         (initialize_inline_failed, rebuild_cgraph_edges,
11443         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
11444         (verify_cgraph_node): Make visited_nodes local.
11445         (cgraph_analyze_function): Do not call cgraph_create_edges and
11446         initialize_inline_failed.
11447         (cgraph_expand_function): Do not call cgraph_lower_function;
11448         assert that function is already lowered.
11449         * Makefile.in (cgraphbuild.o): New.
11450         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
11451         at the end of lowering passes.
11452
11453 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
11454
11455         * ifcvt.c (cond_move_convert_if_block): New function, code
11456         factored out from...
11457         (cond_move_process_if_block): ...here.  Call the new function
11458         on the THEN and ELSE blocks.
11459         (merge_if_block): Do not copy global_live_at_end, merge_blocks
11460         already takes care of this.
11461
11462 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11463
11464         PR c/19978
11465         * tree.h (TREE_OVERFLOW_P): New.
11466         * c-typeck.c (parser_build_unary_op): Warn only if result
11467         overflowed and operands did not.
11468         (parser_build_binary_op): Likewise.
11469         (convert_for_assignment): Remove redundant overflow_warning.
11470         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
11471
11472 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11473
11474         * c-typeck.c (store_init_value): Split over two lines to follow
11475         the GNU coding style.
11476
11477 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
11478
11479         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
11480         __GXX_EXPERIMENTAL_CXX0X__.
11481         * doc/cpp.texi: Same.
11482
11483 2007-01-05  Richard Guenther  <rguenther@suse.de>
11484
11485         PR middle-end/27826
11486         * tree.c (get_narrower): Do not construct COMPONENT_REFs
11487         with mismatched types.  Instead explicitly build a
11488         conversion NOP_EXPR.
11489
11490 2007-01-05  Ian Lance Taylor  <iant@google.com>
11491
11492         * c-common.c (decl_with_nonnull_addr_p): New function.
11493         (c_common_truthvalue_conversion): Call it.
11494         * c-typeck.c (build_binary_op): Likewise.
11495         * c-common.h (decl_with_nonnull_addr_p): Declare.
11496
11497 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
11498
11499         PR c/30360
11500         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
11501         denom against 0.0.
11502
11503 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
11504
11505         * doc/install.texi (Final install): Document the fact that
11506         the GNAT runtime should not be stripped.
11507
11508 2007-01-04  Jan Hubicka  <jh@suse.cz>
11509
11510         * tree-inline.c (fold_marked_statements): Update operand caches
11511         and EH after folding
11512
11513 2007-01-04  Ian Lance Taylor  <iant@google.com>
11514
11515         * c-common.c (check_function_nonnull): Whitespace fix.
11516
11517 2007-01-04  Jan Hubicka  <jh@suse.cz>
11518
11519         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
11520         comitted older version of patch.
11521         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
11522         function, celanup cfg and collect garbage.
11523
11524 2007-01-04  Mike Stump  <mrs@apple.com>
11525
11526         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
11527         (clean): Likewise.
11528
11529 2007-01-04  Eric Christopher  <echristo@apple.com>
11530
11531         * libgcc2.c (__bswapsi2): Use SItype.
11532         (__bswapdi2): Use DItype.
11533         * libgcc2.h: Update for above.
11534
11535 2007-01-04  Paul Brook  <paul@codesourcery.com>
11536
11537         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
11538         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
11539         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
11540         umulsidi3, umulsidi3adddi, smulsi3_highpart,
11541         umulsi3_highpart): Make conditional on !arm_arch6.
11542         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
11543         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
11544         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
11545         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
11546         umulsi3_highpart_v6): New insns.
11547
11548 2007-01-04  Roger Sayle  <roger@eyesopen.com>
11549
11550         * fold-const.c (fold_convert): When casting an expression to void,
11551         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
11552         have a type.  Instead of attempting to build a NOP_EXPR, return
11553         these "special" trees directly.
11554
11555 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
11556
11557         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
11558         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
11559         rs6000_cost->fp not 0 as adjustment for outer NEG.
11560
11561 2007-01-04  Jan Hubicka  <jh@suse.cz>
11562
11563         * cgraph.c (cgraph_release_function_body): New function.
11564         (cgraph_remove_node): Use it.
11565         * cgraph.h (cgraph_release_function_body): Declare.
11566         * cgraphunit.c (cgraph_expand_function): Use it.
11567         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
11568         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
11569         is initialized and while compilation of other function is running.
11570         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
11571         statement CFG annotations from here to ...
11572         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
11573
11574 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
11575
11576         * cfgloop.h (enum li_flags): Make the constants powers of two.
11577
11578 2007-01-04  Jan Hubicka  <jh@suse.cz>
11579
11580         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
11581         set.
11582         (fold_marked_statements): New function.
11583         (optimize_inline_calls, tree_function_versioning): Fold new statements.
11584         * tree-inline.h (copy_body_data): Add statements_to_fold.
11585
11586 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
11587
11588         * config.gcc: Mention libgcc/config.host.
11589         * Makefile.in: Update comments mentioning libgcc.
11590         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
11591         (all.cross, start.encap, rest.encap, rest.cross): Update
11592         dependencies for libgcc move.
11593         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
11594         (clean-target, clean-target-libgcc): Delete.
11595         (srcdirify, GCC_EXTRA_PARTS): New macros.
11596         (libgcc-support, libgcc.mvars): New rules.
11597         (distclean): Remove mention of mklibgcc.
11598         (install): Don't reference INSTALL_LIBGCC.
11599         (install-common): Don't reference EXTRA_PARTS.
11600         (install-libgcc, install-multilib): Delete rules.
11601         * mklibgcc.in: Delete file.
11602         * doc/configfiles.texi: Don't mention mklibgcc.
11603
11604         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
11605         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
11606         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
11607         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
11608         (mklibgcc, ldblspecs): Likewise.
11609
11610         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
11611         (posixpre.def): Use $(T).
11612         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
11613         (SHLIB_SRC, SHLIB_INSTALL): Delete.
11614         (SHLIB_LINK): Make dummy.
11615         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
11616
11617         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
11618
11619         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
11620         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
11621         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
11622         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
11623
11624         * configure.ac (all_outputs): Remove mklibgcc.
11625         * configure: Regenerated.
11626
11627 2007-01-03  Josh Conner  <jconner@apple.com>
11628
11629         PR middle-end/29683
11630         * calls.c (compute_argument_addresses): Set stack and stack_slot
11631         for partial args, too.
11632         (store_one_arg): Use locate.size.constant for the size when
11633         generating a save_area.
11634
11635 2007-01-03  Robert Kennedy <jimbob@google.com>
11636
11637         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
11638         whose definitions are deleted due to basic block merging.
11639
11640 2007-01-03  Paul Brook  <paul@codesourcery.com>
11641
11642         PR target/16634
11643         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
11644         functions.
11645         (use_return_insn): Return 0 for Thumb interrupt functions.
11646         (print_multi_reg): Add rfe argument for IRQ returns.
11647         (arm_output_epilogue): Pop interrupt return address directly into PC.
11648         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
11649
11650 2007-01-03  Paul Brook  <paul@codesourcery.com>
11651
11652         Merge from sourcerygxx-4_1.
11653         * config/arm/thumb2.md: New file.
11654         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
11655         Thumb-2.
11656         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
11657         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
11658         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
11659         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
11660         tables.
11661         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
11662         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
11663         comptibility.
11664         * config/arm/ieee754-sf.S: Ditto.
11665         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
11666         (thumb1_base_register_rtx_p): ... to this.
11667         (thumb_index_register_rtx_p): Rename...
11668         (thumb1_index_register_rtx_p): ... to this.
11669         (thumb_output_function_prologue): Rename...
11670         (thumb1_output_function_prologue): ... to this.
11671         (thumb_legitimate_address_p): Rename...
11672         (thumb1_legitimate_address_p): ... to this.
11673         (thumb_rtx_costs): Rename...
11674         (thumb1_rtx_costs): ... to this.
11675         (thumb_compute_save_reg_mask): Rename...
11676         (thumb1_compute_save_reg_mask): ... to this.
11677         (thumb_final_prescan_insn): Rename...
11678         (thumb1_final_prescan_insn): ... to this.
11679         (thumb_expand_epilogue): Rename...
11680         (thumb1_expand_epilogue): ... to this.
11681         (arm_unwind_emit_stm): Rename...
11682         (arm_unwind_emit_sequence): ... to this.
11683         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
11684         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
11685         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
11686         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
11687         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
11688         thumb2_output_casesi): New functions.
11689         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
11690         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
11691         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
11692         THUMB2_WORK_REGS): Define.
11693         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
11694         arm_condexec_mask, arm_condexec_masklen)): New variables.
11695         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
11696         (arm_override_options): Check new CPU capabilities.
11697         Set new architecture flag variables.
11698         (arm_isr_value): Handle v7m interrupt functions.
11699         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
11700         Thumb-2.
11701         (const_ok_for_arm): Handle Thumb-2 constants.
11702         (arm_gen_constant): Ditto.  Use movw when available.
11703         (arm_function_ok_for_sibcall): Return false for v7m interrupt
11704         functions.
11705         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
11706         (thumb_find_work_register, arm_load_pic_register,
11707         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
11708         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
11709         print_multi_reg, output_mov_long_double_fpa_from_arm,
11710         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
11711         output_mov_double_fpa_from_arm, output_move_double,
11712         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
11713         output_return_instruction, arm_output_function_prologue,
11714         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
11715         arm_output_mi_thunk, thumb_set_return_address): Ditto.
11716         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
11717         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
11718         (arithmetic_instr, shift_op): Use arm_shift_nmem.
11719         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
11720         '!' and 'L'.
11721         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
11722         (thumb_expand_prologue): Use thumb_set_frame_pointer.
11723         (arm_file_start): Output directive for unified syntax.
11724         (arm_unwind_emit_set): Handle stack alignment instruction.
11725         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
11726         Add v6t2, v7, v7a, v7r and v7m.
11727         (RETLDM): Add Thumb-2 code.
11728         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
11729         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
11730         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
11731         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
11732         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
11733         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
11734         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
11735         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
11736         ADJUST_INSN_LENGTH): Define.
11737         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
11738         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
11739         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
11740         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
11741         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
11742         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
11743         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
11744         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
11745         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
11746         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
11747         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
11748         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
11749         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
11750         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
11751         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
11752         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
11753         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
11754         cortex-m3.
11755         * config/arm/arm-tune.md: Regenerate.
11756         * config/arm/arm-protos.h: Update prototypes.
11757         * config/arm/vfp.md: Enable patterns for Thumb-2.
11758         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
11759         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
11760         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
11761         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
11762         * config/arm/libunwind.S: Add Thumb-2 code.
11763         * config/arm/constraints.md: Update include Thumb-2.
11764         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
11765         * config/arm/ieee754-df.S: Ditto.
11766         * config/arm/bpabi.S: Ditto.
11767         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
11768         * config/arm/predicates.md (low_register_operand,
11769         low_reg_or_int_operand, thumb_16bit_operator): New.
11770         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
11771         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
11772         * config/arm/t-arm-elf: Add armv7 multilib.
11773         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
11774         Include thumb2.md.
11775         (UNSPEC_STACK_ALIGN, ce_count): New.
11776         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
11777         arm_zero_extendsidi2, arm_zero_extendqidi2): New
11778         insns/expanders.
11779         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
11780         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
11781         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
11782         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
11783         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
11784         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
11785         insns.
11786         * doc/extend.texi: Document ARMv7-M interrupt functions.
11787         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
11788
11789 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
11790
11791         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
11792         (struct _Unwind_Context): Rename args_size to flags, remove
11793         signal_frame field, add a new args_size field and version field.
11794         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
11795         _Unwind_IsExtendedContext): New inline functions.
11796         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11797         Assume by_value array is only present if _Unwind_IsExtendedContext.
11798         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
11799         _Unwind_IsSignalFrame.
11800         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
11801         (uw_update_context_1): Use _Unwind_SetSignalFrame.
11802         (uw_init_context_1): Initialize context->flags to
11803         EXTENDED_CONTEXT_BIT.
11804         * config/rs6000/linux-unwind.h (frob_update_context): Use
11805         _Unwind_SetSignalFrame.
11806
11807 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11808
11809         PR middle-end/30353
11810         * gimplify.c (gimplify_modify_expr_complex_part): Move below
11811         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
11812         the value.
11813
11814 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
11815
11816         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
11817         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
11818         RET, AT_SP): Remove.
11819         * config/i386/i386.md (*sse_prologue_save_insn): Use return
11820         instead of RET.
11821
11822         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11823         * cfgbuild.c (find_basic_blocks): Likewise.
11824         * cfgrtl.c (rtl_create_basic_block): Likewise.
11825         * function.c (temp_slots_at_level): Likewise.
11826         * reg-stack.c (stack_regs_mentioned): Likewise.
11827         * regclass.c (allocate_reg_info): Likewise.
11828         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11829         set_bb_for_stmt, move_block_to_fn): Likewise.
11830         * tree-complex.c (tree_lower_complex): Likewise.
11831         * vec.h (VEC_safe_grow_cleared): New.
11832
11833         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
11834
11835 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
11836
11837         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
11838         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
11839         to loop_version.
11840         * cfgloopmanip.c (scale_loop_frequencies): Export.
11841         (loopify): Scale the frequencies by prescribed coefficients.
11842         (set_zero_probability): New function.
11843         (duplicate_loop_to_header_edge): Improve updating of frequencies.
11844         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
11845         and frequencies according to arguments.
11846         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
11847         correctly.
11848         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
11849         * modulo-sched.c (sms_schedule): Set probabilities for entering
11850         versioned loop correctly.
11851         * tree-vect-transform.c (vect_transform_loop): Ditto.
11852         * cfgloop.h (loopify, loop_version): Declaration changed.
11853         (scale_loop_frequencies): Declared.
11854
11855 2007-01-02  Jan Hubicka  <jh@suse.cz>
11856
11857         * cgraph.c: Include tree-flow.h
11858         (cgraph_add_new-function): Handle IPA_SSA mode; execute
11859         early_local_passes.
11860         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
11861         * tree-pass.h (pass_all_early_optimizations): Declare.
11862         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
11863         early_local_passes.
11864         (cgraph_analyze_function): Do early_local_passes.
11865         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
11866         Do not add referenced vars.
11867         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
11868         SSA form.
11869         (gate_all_early_local_passes): New gate.
11870         (pass_early_local_passes): Use new gate.
11871         (execute_early_local_optimizations): New functions.
11872         (gate_all_early_optimizations): New gate.
11873         (pass_all_early_optimizations): New pass.
11874         (execute_free_datastructures): Free SSA only when initialized.
11875         (gate_init_datastructures): Init only when optimizing.
11876         (tree_lowering_passes): Do early local passes when called late.
11877         * tree-profile.c (do_tree_profiling): Don't profile functions added
11878         late.
11879         (do_early_tree_profiling, pass_early_tree_profile): Kill.
11880         * tree-cfg.c (update_modified_stmts): Do not update when operands are
11881         not active.
11882         * passes.c (init_optimizations_passes): Reorder so we go into SSA
11883         during early_local_passes.
11884         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
11885
11886
11887 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
11888
11889         * Makefile.in: Update copyright year.
11890
11891 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
11892
11893         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
11894         in $(lang_checks) and check-consistency targets.
11895
11896 2007-01-02  Jan Hubicka  <jh@suse.cz>
11897
11898         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
11899         Do not add referenced vars.
11900         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
11901         are not active.
11902         * passes.c (init_optimization_passes): Put mudflap_2 after
11903         free_datastructures.
11904
11905 2007-01-02  Jan Hubicka  <jh@suse.cz>
11906
11907         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
11908         Set NOTHROW flag on call statements proved to be nothrow.
11909         Update statement of local calls so new pure/const functions are
11910         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
11911         goto receivers.
11912         (tree_rest_of_compilation): Register hooks and initialize bitmap
11913         early. Do not set after_inlining flag.
11914
11915 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
11916
11917         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
11918         HOST_BITS_PER_LONGLONG
11919
11920 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11921
11922         PR c/19977
11923         * c-typeck.c (store_init_value): Don't emit pedantic overflow
11924         warning for non-static initializers.
11925
11926 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
11927
11928         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
11929         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
11930         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
11931         Always use set_unique_reg_note to add REG_EQUAL notes.
11932
11933 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11934
11935         Revert:
11936         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11937
11938         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11939         * cfgbuild.c (find_basic_blocks): Likewise.
11940         * cfgrtl.c (rtl_create_basic_block): Likewise.
11941         * function.c (temp_slots_at_level): Likewise.
11942         * reg-stack.c (stack_regs_mentioned): Likewise.
11943         * regclass.c (allocate_reg_info): Likewise.
11944         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11945         set_bb_for_stmt, move_block_to_fn): Likewise.
11946         * tree-complex.c (tree_lower_complex): Likewise.
11947         * vec.h (VEC_safe_grow_cleared): New.
11948
11949 2007-01-02  Ian Lance Taylor  <iant@google.com>
11950
11951         * c-common.c (c_common_truthvalue_conversion): When warning about
11952         using an assignment as a truth value, set TREE_NO_WARNING.
11953
11954 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11955
11956         PR middle-end/7651
11957         * c.opt (Wold-style-declaration): New.
11958         * doc/invoke.texi (C-only Warning Options): New.
11959         (Wold-style-declaration): Document it.
11960         (Wextra): Enabled by -Wextra.
11961         * c-opts.c (c_common_post_options): Enabled by -Wextra.
11962         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
11963         -Wold-style-declaration.
11964
11965 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11966
11967         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11968         * cfgbuild.c (find_basic_blocks): Likewise.
11969         * cfgrtl.c (rtl_create_basic_block): Likewise.
11970         * function.c (temp_slots_at_level): Likewise.
11971         * reg-stack.c (stack_regs_mentioned): Likewise.
11972         * regclass.c (allocate_reg_info): Likewise.
11973         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11974         set_bb_for_stmt, move_block_to_fn): Likewise.
11975         * tree-complex.c (tree_lower_complex): Likewise.
11976         * vec.h (VEC_safe_grow_cleared): New.
11977
11978 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
11979
11980         * c-common.c (c_common_nodes_and_builtins): Since variants of
11981         void_type_node get built before it is given a name, we need to
11982         give those variants the name, too.
11983         (complete_array_type): We need to work with the canonical main
11984         type of the array, from which we will build the qualified version.
11985         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
11986         * print-tree.c (print_node): Display canonical type information
11987         for each type.
11988         * stor-layout.c (layout_type): When we don't know the
11989         alignment of a type for which we're building an array, we end up
11990         guessing wrong, so make the type require structural equality.
11991         * tree.c (make_node_stat): When we build a new type, it is its
11992         own canonical type.
11993         (build_type_attribute_qual_variant): When building an attribute
11994         variant, its canonical type is the non-attribute variant. However,
11995         if the attributes are target-dependent and they differ, we need to
11996         use structural equality checks for this type.
11997         (build_qualified_type): A qualified type is not equivalent to its
11998         unqualified variant; set the canonical type appropriately.
11999         (build_distinct_type_copy): When building a distinct type from
12000         another type, the new type is its own canonical type.
12001         (build_variant_type_copy): When building a new type variant, we
12002         assume that it is equivalent to the original type.
12003         (build_pointer_type_for_mode): When building a pointer type, also
12004         build a canonical type pointer.
12005         (build_reference_type_for_mode): When building a reference type,
12006         also build a canonical type reference.
12007         (build_index_type): When we can't hash an index type (e.g.,
12008         because its maximum value is negative), the index type requires
12009         structural equality tests.
12010         (build_array_type): Build the canonical form of an array type.
12011         (build_function_type): Function types require structural equality,
12012         because they contain default arguments, attributes, etc.
12013         (build_method_type_directly): Ditto for method types.
12014         (build_offset_type): Build the canonical offset type.
12015         (build_complex_type): Build the canonical vector type.
12016         (make_vector_type): Build the canonical vector type.
12017         * tree.h (TYPE_CANONICAL): New.
12018         (TYPE_STRUCTURAL_EQUALITY_P): New.
12019         (SET_TYPE_STRUCTURAL_EQUALITY): New.
12020         (struct tree_type): Added "canonical" field.
12021         * params.h (VERIFY_CANONICAL_TYPES): New.
12022         * doc/c-tree.texi (TYPE_CANONICAL): Document.
12023         (TYPE_STRUCTURAL_EQUALITY_P): Document.
12024         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
12025         * doc/invoke.texi (verify-canonical-types): Document --param
12026         parameter for verifying canonical types.
12027
12028 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12029
12030         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
12031         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
12032         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
12033         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
12034         tm_file.
12035         * config/rs6000/e500.h: New.
12036         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
12037         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
12038         Remove.
12039         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
12040         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
12041         TARGET_E500_DOUBLE): Remove.
12042         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
12043         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
12044         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
12045         * config/rs6000/rs6000.c (rs6000_override_options): Use
12046         CHECK_E500_OPTIONS.
12047
12048 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12049
12050         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
12051         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
12052         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
12053         rs6000_emit_cmove): Don't check TARGET_E500.
12054         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
12055         sordered): Don't check TARGET_E500.
12056
12057 2007-01-01  Eric Christopher  <echristo@apple.com>
12058
12059         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
12060         HARD_REGISTER_NUM_P.
12061
12062 2007-01-01  Roger Sayle  <roger@eyesopen.com>
12063
12064         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
12065         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
12066         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
12067         eq/ne Y".
12068
12069 2007-01-01  Mike Stump  <mrs@apple.com>
12070
12071         * configure.ac: Remove support for building with Apple's gcc-3.1.
12072
12073 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12074
12075         PR middle-end/30311
12076         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
12077         REG is a hard register.  Do not modify REG before calling
12078         subreg_nregs.
12079         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
12080         multiple of the size of YMODE for certain lowpart cases.
12081
12082 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12083
12084         PR middle-end/30253
12085         * gimplify (voidify_wrapper_expr): Update for
12086         GIMPLE_MODIFY_STMT.
12087
12088 2007-01-01  Andreas Schwab  <schwab@suse.de>
12089
12090         PR target/29166
12091         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
12092         save of BR0 in extra_spill_size instead of spill_size.
12093         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
12094         area.
12095         (ia64_expand_epilogue): Restore BR0 from its new location.
12096
12097 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12098
12099         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
12100         Use a temporary variable if the left hand side is not a gimple
12101         register.
12102
12103 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12104
12105         * gimplify.c (gimplify_return_expr): Make the temporary variable
12106         for the return expression, a gimple register variable.
12107
12108 2007-01-01  Jan Hubicka  <jh@suse.cz>
12109
12110         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
12111         INSN_LIST.
12112
12113 2007-01-01  Mike Stump  <mrs@apple.com>
12114
12115         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
12116         .literal16.
12117         * config/darwin.c (machopic_select_rtx_section): Use
12118         HAVE_GAS_LITERAL16.
12119         (darwin_mergeable_constant_section): Likewise.
12120         * configure: Regenerate.
12121         * config.in: Regenerate.
12122
12123 2007-01-01  Jan Hubicka  <jh@suse.cz>
12124             Andrew Pinski  <pinskia@gmail.com>
12125
12126         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
12127         before starting IPA passes.