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* config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-04-27  Mike Stump  <mrs@apple.com>
2
3         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
4
5 2007-04-27  Ian Lance Taylor  <iant@google.com>
6
7         PR middle-end/31710
8         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
9         TYPE_MAX_VALUE exist, convert them to the new type.
10
11 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
12
13         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
14         if it claims to be available.
15         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
16         edge is redirected.
17         (perform_tree_ssa_dce): Always free postdominators.
18
19 2007-04-27  Richard Henderson  <rth@redhat.com>
20
21         * config/alpha/predicates.md (aligned_memory_operand): Mark
22         as define_special_predicate.
23         (unaligned_memory_operand, normal_memory_operand): Likewise.
24         (reg_or_unaligned_mem_operand): Remove.
25         (any_memory_operand): Match the documentation and check for
26         non-renumbered pseudos during reload.
27         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
28         alpha_secondary_reload_class, update to new interface, make static.
29         Handle CQImode like HImode.  Remove FP subreg check.
30         (alpha_expand_mov): Use replace_equiv_address.
31         (alpha_expand_mov_nobwx): Use any_memory_operand.
32         (TARGET_SECONDARY_RELOAD): New.
33         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
34         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
35         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
36         * config/alpha/alpha.md: ... here.
37         (RELOAD12, reloadmode): New.
38         (movcqi): New.
39         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
40         Don't handle the aligned case here.
41         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
42         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
43         reload_inhi_help.  Don't expect a scratch register.
44         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
45         reload_outhi_help.
46         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
47
48 2007-04-27  Richard Guenther  <rguenther@suse.de>
49
50         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
51
52 2007-04-27  Richard Guenther  <rguenther@suse.de>
53
54         PR tree-optimization/30965
55         PR tree-optimization/30978
56         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
57         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
58         (find_equivalent_equality_comparison): Likewise.
59         (simplify_cond): Likewise.
60         (get_prop_source_stmt): New helper.
61         (get_prop_dest_stmt): Likewise.
62         (can_propagate_from): Likewise.
63         (remove_prop_source_from_use): Likewise.
64         (combine_cond_expr_cond): Likewise.
65         (forward_propagate_comparison): New function.
66         (forward_propagate_into_cond): Rewrite to use fold for
67         tree combining.
68         (tree_ssa_forward_propagate_single_use_vars): Call
69         forward_propagate_comparison to propagate comparisons.
70
71 2007-04-27  Richard Guenther  <rguenther@suse.de>
72
73         PR tree-optimization/31715
74         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
75         sure to do computation on the offset in an appropriate
76         signed type.
77
78 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
79
80         * reload.h (elimination_target_reg_p): Declare.
81         * reload.c (find_reloads): Don't apply the reg_rtx move
82         optimization if the SET_DEST satisfies elimination_target_reg_p.
83         * reload1.c (elimination_target_reg_p): New function.
84         (gen_reload): In the move/add2 fallback, make sure that op0
85         does not overlap the destination register.
86
87 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
88
89         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
90         transform only GIMPLE_MODIFY_STMTs.
91         * tree-complex.c (expand_complex_operations_1): Ditto.
92         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
93         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
94         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
95         branches.
96         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
97         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
98         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
99         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
100         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
101         slpeel_add_loop_guard): Ditto.
102         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
103         * lambda-code.c (perfect_nestify): Ditto.
104         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
105         before the first statement.
106         * tree-optimize.c (execute_free_datastructures): Fix comments.
107         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
108         * tree-flow.h (disband_implicit_edges): Declaration removed.
109         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
110         branches.
111         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
112         without gotos.
113         (disband_implicit_edges, has_label_p): Removed.
114         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
115         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
116         branches.
117         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
118         side effects.
119         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
120         also for COND_EXPRs.
121         * cfgexpand.c (label_rtx_for_bb): New function.
122         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
123         Use label_rtx_for_bb to find the labels.
124         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
125         last block.  Detect fallthru edges.
126
127 2007-04-26  Ian Lance Taylor  <iant@google.com>
128
129         PR target/28675
130         * reload.c (find_reloads_subreg_address): If the address was valid
131         in the original mode but not in the new mode, reload the whole
132         address.
133
134 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
135
136         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
137         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
138         (cleanup_control_expr_graph): Do not invalidate dominance info.
139         Record altered blocks.
140         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
141         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
142         cleanup_tree_cfg_bb): New functions.
143         (remove_forwarder_block): Do not maintain the worklist of blocks.
144         Record altered blocks.
145         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
146         not over whole cfg.
147         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
148         delete_unreachable_blocks if dominators are not available.
149         * tree-inline.c (optimize_inline_calls): Free dominance information
150         earlier.
151         * tree-flow.h (remove_edge_and_dominated_blocks,
152         cfgcleanup_altered_bbs): Altered.
153         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
154         blocks.
155         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
156         functions.
157         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
158         do not invalidate dominators.
159
160 2007-04-26  Anatoly Sokolov <aesok@post.ru>
161
162         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and 
163         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
164         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
165         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
166
167 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
168
169         * config/ia64/ia64.md (ip_value):  Fix itanium_class attribute.
170
171 2007-04-26  Richard Guenther  <rguenther@suse.de>
172
173         PR tree-optimization/31703
174         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
175         the right type for the target of the bittest.
176
177 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
178
179         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
180         ix86_sol10_return_in_memory.
181
182 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
183
184         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
185         variables.
186
187 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
188
189         PR c++/31598
190         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
191
192         PR tree-optimization/30558
193         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
194         clear this_state.prev_try.
195
196 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
197             Mark Mitchell  <mark@codesourcery.com>
198
199         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
200         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
201         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
202
203 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
204
205         PR driver/31107
206         * doc/invoke.texi (%:print-asm-header): Document.
207         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
208         and -ftarget-help.
209         (static_spec_functions): Add print-asm-header.
210         (main): Print a banner before the --target-help linker options.
211         (print_asm_header_spec_function): New function.
212
213 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
214
215         PR target/31403
216         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
217         (movsf_ie): Likewise.
218
219 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
220
221         * doc/extend.texi ([Type Traits]): Adjust per N2255.
222
223 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
224
225         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
226         for divide-by-zero.
227         (__umodsi3, __modsi3): Likewise.
228
229 2007-04-25  Dirk Mueller  <dmueller@suse.de>
230
231         * c-typeck.c (build_compound_expr): Annotate warning()
232         call with OPT_Wunused_value.
233         * tree-ssa.c (warn_uninit): Annotate warning with
234         OPT_Wunintialized.
235         * c-common.c (handle_sentinel_attribute): Annotate warning
236         call with OPT_Wattributes.
237
238 2007-04-25  Thiemo Seufer  <ths@mips.com>
239
240         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
241         (mips16): Fix typo.
242         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
243         on to the assembler.  Improve handling of -mno-mips16.  Add handling
244         of -mno-mips3d, -mno-dsp, -mno-dspr2.
245         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
246         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
247         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
248
249 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
250
251         PR target/31680
252         * config/i386/winnt.c (i386_pe_file_end): Strip only
253         USER_LABEL_PREFIX when writing export name.
254
255 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
256
257         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
258         sh/elf.h, vx-common.h and vxworks.h.
259         * config/sh/sh.h: Include config/vxworks-dummy.h.
260         (SUBTARGET_OVERRIDE_OPTIONS): Define.
261         (OVERRIDE_OPTIONS): Use it.
262         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
263         (vxworks_picreg): New pattern.
264         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
265         VXWORKS_OS_CPP_BUILTINS.
266         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
267         to their VXWORKS_* equivalents.
268         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
269         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
270         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
271         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
272         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
273         -mrtp/-fPIC multilibs.
274         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
275         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
276         (MULTILIB_OSDIRNAMES): Delete.
277
278 2007-04-25  Anatoly Sokolov <aesok@post.ru>
279
280         PR target/18989
281         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
282
283 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
284
285         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
286         rounding mode to be specified by the caller.
287         (real_to_mpfr) Likewise.
288         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
289         include new arguments.
290         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
291
292 2007-04-24  Ian Lance Taylor  <iant@google.com>
293
294         PR tree-optimization/31605
295         * tree-vrp.c (set_value_range): Check that min and max are not
296         both overflow infinities.
297         (set_value_range_to_value): New static function.
298         (extract_range_from_binary_expr): Call set_value_range_to_value.
299         (extract_range_from_cond_expr): Likewise.
300         (extract_range_from_expr): Likewise.
301         (extract_range_from_unary_expr): Likewise.  Don't create a range
302         which overflows on both sides.
303         (vrp_meet): Check for a useless range.
304         (vrp_visit_phi_node): If we see a constant which looks like an
305         overflow infinity, turn off the TREE_OVERFLOW flag.
306
307 2007-04-24  Ian Lance Taylor  <iant@google.com>
308
309         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
310
311 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
312
313         PR diagnostic/25923
314         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
315         diagnostic message is being built.
316         * tree-pretty-print.c (dump_generic_node): Only write the
317         formatted text into BUFFER's stream if we are not building a
318         diagnostic message.
319         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
320         dump_generic_node.
321         * Makefile.in (toplev.o): Depend on tree-pass.h.
322
323 2007-04-24  Ian Lance Taylor  <iant@google.com>
324
325         PR tree-optimization/31602
326         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
327         conditionals in the copied loop header.
328         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
329         warnings if TREE_NO_WARNING is set.
330         * doc/invoke.texi (Warning Options): Clarify that
331         -Wstrict-overflow does not warn about loops.
332
333 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
334
335         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
336         expand on the comment about _Decimal128 arguments and check the
337         integer result of the modulus operation; for 64-bit ELF ABI, ensure
338         that _Decimal128 argument uses even/odd register pair.
339         (function_arg): Ditto.
340
341 2007-04-24  Hui-May Chang <hm.chang@apple.com>
342
343         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
344         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
345
346 2007-04-24  Richard Guenther  <rguenther@suse.de>
347             Olga Golovanevsky  <olga@il.ibm.com>
348
349         * fold-const.c (multiple_of_p): Check for bottom 
350         to be zero. 
351
352 2007-04-24  Richard Henderson  <rth@redhat.com>
353
354         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from 
355         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
356         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
357         looking for non-zero bits shifted out.  Avoid a recursive call
358         when constructing the scalar.
359         (__floatundisf): Likewise.
360
361 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
362
363         * dwarf2out.c (field_byte_offset): Move the existing logic
364         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
365         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
366
367 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
368
369         PR target/31641
370         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
371         argument of 0 for memset.
372         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
373         unsigned shift instead of the signed variant.
374
375 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
376
377         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
378         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
379         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
380         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
381         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
382         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
383         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
384         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
385         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
386         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
387         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
388         "mul<mode>3", "div<mode>3"): Insn definitions added.
389         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
390         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
391         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
392         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
393         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
394         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
395         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
396         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
397         TARGET_FLOAT_FORMAT): Macro definitions removed.
398         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
399         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
400         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
401         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
402         (s390_gen_rtx_const_DI): Function removed.
403         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
404
405 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
406
407         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
408         over an external ffs function.
409
410 2007-04-24  Chao-ying Fu  <fu@mips.com>
411             Richard Sandiford  <richard@nildram.co.uk>
412
413         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
414         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
415         (smadd_widen_optab, umadd_widen_optab): Define.
416         * optabs.c (init_optabs): Initialize smadd_widen_optab and
417         umadd_widen_optab.
418         * genopinit.c (optabs): Fill in smadd_widen_optab and
419         umadd_widen_optab.
420         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
421         and umadd_widen_optab to implement multiply-add sequences.
422         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
423         (<u>maddsidi4): ...this.  Extend condition to include
424         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
425         of operand 0 to "ka" and use the three-operand form of madd<u>
426         for TARGET_DSPR2.
427         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
428         to define_expands.
429         * config/mips/constraints.md (ka): New register constraint.
430
431 2007-04-24  Jan Hubicka  <j@suse.cz>
432
433         Revert:
434
435         2007-04-23  Jan Hubicka  <jh@suse.cz>
436         * function.c (init_function_start): Don't init line number info.
437         (expand_function_end): Update.
438         (reset_block_changes, record_block_change, finalize_block_changes,
439         check_block_change, free_block_changes): Kill.
440         * function.h (reset_block_changes, record_block_change,
441         finalize_block_changes, check_block_change, free_block_changes): Remove
442         prototypes.
443         (struct function): Remove ib_boundaries_block.
444         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
445         Use curr_insn_locator to initialize locator.
446         (emit_line_note): Remove.
447         * cfgexpand.c (expand_gimple_cond_expr): Update.
448         (construct_exit_block): Likewise.
449         (tree_expand_cfg): Initialize/finalize locators.
450         * expr.c (expand_expr_real): Update.
451         * cfglayout.c (line_locators_locs, line_locators_lines,
452         file_locators_locs, file_locators_files): Remove.
453         (set_block_levels): Move to cfgexpand.c.
454         (insn_locators_initialize): Remove.
455         (pass_insn_locators_initialize): Remove.
456         (locations_locators_locs, locations_locators_vals): New static vars.
457         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
458         Likewise.
459         (insn_locators_alloc, insn_locators_finalize,
460         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
461         New functions.
462         (locator_location): New.
463         (locator_line, locator_file): Rewrite.
464         * rtl.h (emit_line_note): Kill.
465         (insn_locators_alloc, insn_locators_finalize,
466         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
467         Declare.
468         * tree-inline.c (initialize_cfun): Do not initialize
469         ib_boundaries_block.
470         * passes.c (pass_insn_locators_initialize): Remove.
471
472 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
473
474         * doc/invoke.texi: Removed leading '-' from option index entries.
475
476 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
477
478         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
479         Use phi_nodes_ptr.
480         (create_phi_node): Use set_phi_nodes.
481         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
482         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
483         (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
484         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
485         (bsi_start, bsi_last): Use bb_stmt_list.
486         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
487         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
488         Traverse the statements using tsi iterator.
489         * basic-block.h (struct basic_block_def): Fields stmt_list
490         and phi_nodes moved to ...
491         (struct tree_bb_info): ... new structure.
492         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
493         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
494         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
495         (tree_verify_flow_info): Verify that il.tree is not set for
496         entry and exit block.
497         (tree_split_block): Use set_bb_stmt_list.
498
499 2007-04-23  Mike Stump  <mrs@apple.com>
500
501         * config/i386/i386.c (ix86_tune_features
502         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
503         nocona and core2.
504
505 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
506
507         * config/i386/i386.md (prefix_extra): New attribute.
508         (length): Add prefix_extra.
509
510         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
511         (sse2_movntv2di): Likewise.
512         (sse2_cvtps2dq): Likewise.
513         (sse2_cvtpd2pi): Likewise.
514         (sse2_cvttpd2pi): Likewise.
515         (*sse2_cvtpd2ps): Likewise.
516         (*add<mode>3): Likewise.
517         (sse2_ssadd<mode>3): Likewise.
518         (sse2_usadd<mode>3): Likewise.
519         (*sub<mode>3): Likewise.
520         (sse2_sssub<mode>3): Likewise.
521         (sse2_ussub<mode>3): Likewise.
522         (*mulv8hi3): Likewise.
523         (*smulv8hi3_highpart): Likewise.
524         (*umulv8hi3_highpart): Likewise.
525         (sse2_umulv2siv2di3): Likewise.
526         (sse2_pmaddwd): Likewise.
527         (ashr<mode>3): Likewise.
528         (lshr<mode>3): Likewise.
529         (ashl<mode>3): Likewise.
530         (sse2_ashlti3): Likewise.
531         (sse2_lshrti3): Likewise.
532         (*umaxv16qi3): Likewise.
533         (*smaxv8hi3): Likewise.
534         (*uminv16qi3): Likewise.
535         (*sminv8hi3): Likewise.
536         (sse2_eq<mode>3): Likewise.
537         (sse2_gt<mode>3): Likewise.
538         (*and<mode>3): Likewise.
539         (sse2_nand<mode>3): Likewise.
540         (*ior<mode>3): Likewise.
541         (*xor<mode>3): Likewise.
542         (sse2_packsswb): Likewise.
543         (sse2_packssdw): Likewise.
544         (sse2_packuswb): Likewise.
545         (sse2_punpckhbw): Likewise.
546         (sse2_punpcklbw): Likewise.
547         (sse2_punpckhwd): Likewise.
548         (sse2_punpcklwd): Likewise.
549         (sse2_punpckhdq): Likewise.
550         (sse2_punpckldq): Likewise.
551         (sse2_punpckhqdq): Likewise.
552         (sse2_punpcklqdq): Likewise.
553         (*sse2_pinsrw): Likewise.
554         (*sse2_pextrw): Likewise.
555         (sse2_pshufd_1): Likewise.
556         (sse2_uavgv16qi3): Likewise.
557         (sse2_uavgv8hi3): Likewise.
558         (sse2_psadbw): Likewise.
559         (sse2_pmovmskb): Likewise.
560         (*sse2_maskmovdqu): Likewise.
561         (*sse2_maskmovdqu_rex64): Likewise.
562         (sse4a_extrqi): Likewise.
563         (sse4a_extrq): Likewise.
564         (sse3_lddqu): Set prefix_rep.
565         (sse3_addsubv4sf3): Likewise.
566         (sse3_haddv4sf3): Likewise.
567         (sse3_hsubv4sf3): Likewise.
568         (sse_cvtss2si): Likewise.
569         (sse_cvtss2si_2): Likewise.
570         (sse_cvtss2siq): Likewise.
571         (sse_cvtss2siq_2): Likewise.
572         (sse_cvttss2si): Likewise.
573         (sse_cvttss2siq): Likewise.
574         (sse2_cvttps2dq): Likewise.
575         (sse3_movshdup): Likewise.
576         (sse3_movsldup): Likewise.
577         (sse2_cvtsd2si): Likewise.
578         (sse2_cvtsd2si_2): Likewise.
579         (sse2_cvtsd2siq): Likewise.
580         (sse2_cvtsd2siq_2): Likewise.
581         (sse2_cvttsd2si): Likewise.
582         (sse2_cvttsd2siq): Likewise.
583         (*sse2_cvtpd2dq): Likewise.
584         (*sse2_cvttpd2dq): Likewise.
585         (sse2_pshuflw_1): Likewise.
586         (sse2_pshufhw_1): Likewise.
587         (sse4a_insertqi): Likewise.
588         (sse4a_insertq): Likewise.
589         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
590         (ssse3_phadddv4si3): Likewise.
591         (ssse3_phaddswv8hi3): Likewise.
592         (ssse3_phsubwv8hi3): Likewise.
593         (ssse3_phsubdv4si3): Likewise.
594         (ssse3_phsubswv8hi3): Likewise.
595         (ssse3_pmaddubswv8hi3): Likewise.
596         (ssse3_pmulhrswv8hi3): Likewise.
597         (ssse3_pshufbv16qi3): Likewise.
598         (ssse3_psign<mode>3): Likewise.
599         (ssse3_palignrti): Likewise.
600         (abs<mode>2): Likewise.
601         (ssse3_phaddwv4hi3): Set prefix_extra.
602         (ssse3_phadddv2si3): Likewise.
603         (ssse3_phaddswv4hi3): Likewise.
604         (ssse3_phsubwv4hi3): Likewise.
605         (ssse3_phsubdv2si3): Likewise.
606         (ssse3_phsubswv4hi3): Likewise.
607         (ssse3_pmaddubswv4hi3): Likewise.
608         (ssse3_pmulhrswv4hi3): Likewise.
609         (ssse3_pshufbv8qi3): Likewise.
610         (ssse3_psign<mode>3): Likewise.
611         (ssse3_palignrdi): Likewise.
612         (abs<mode>2): Likewise.
613         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
614         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
615         (sse2_pmovmskb): Set mode to SI instead of V2DF.
616
617 2007-04-23  Nick Clifton  <nickc@redhat.com>
618
619         * params.def: Fix formatting of emacs local variables.
620
621 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
622
623         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
624         move if inter-unit move isn't allowed.
625         Don't split moving the first element of V2DI to DI to inter-unit
626         move if inter-unit move isn't allowed.
627
628 2007-04-23  Richard Guenther  <rguenther@suse.de>
629
630         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
631         and CDI_POST_DOMINATORS separately.
632
633 2007-04-23  Nick Clifton  <nickc@redhat.com>
634
635         * c.opt (Wformat-contains-nul): Add warning attribute.
636
637 2007-04-23  Jan Hubicka  <jh@suse.cz>
638
639         * function.c (init_function_start): Don't init line number info.
640         (expand_function_end): Update.
641         (reset_block_changes, record_block_change, finalize_block_changes,
642         check_block_change, free_block_changes): Kill.
643         * function.h (reset_block_changes, record_block_change,
644         finalize_block_changes, check_block_change, free_block_changes): Remove
645         prototypes.
646         (struct function): Remove ib_boundaries_block.
647         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
648         Use curr_insn_locator to initialize locator.
649         (emit_line_note): Remove.
650         * cfgexpand.c (expand_gimple_cond_expr): Update.
651         (construct_exit_block): Likewise.
652         (tree_expand_cfg): Initialize/finalize locators.
653         * expr.c (expand_expr_real): Update.
654         * cfglayout.c (line_locators_locs, line_locators_lines,
655         file_locators_locs, file_locators_files): Remove.
656         (set_block_levels): Move to cfgexpand.c.
657         (insn_locators_initialize): Remove.
658         (pass_insn_locators_initialize): Remove.
659         (locations_locators_locs, locations_locators_vals): New static vars.
660         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
661         Likewise.
662         (insn_locators_alloc, insn_locators_finalize,
663         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
664         New functions.
665         (locator_location): New.
666         (locator_line, locator_file): Rewrite.
667         * rtl.h (emit_line_note): Kill.
668         (insn_locators_alloc, insn_locators_finalize,
669         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
670         Declare.
671         * tree-inline.c (initialize_cfun): Do not initialize
672         ib_boundaries_block.
673         * passes.c (pass_insn_locators_initialize): Remove.
674
675 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
676
677         PR middle-end/31448
678         * expr.c (reduce_to_bit_field_precision): Handle
679         CONST_INT rtx's.
680
681 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
682
683         PR tree-optimization/24659
684         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
685         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
686         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
687         * genopinit.c (optabs): Rename vec_pack_mod_optab
688         to vec_pack_trunc_optab.
689         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
690         early for scalar floating point operands for NOP_EXPR.
691         (vectorizable_type_promotion): Ditto.
692         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
693         vec_pack_trunc_optab.
694         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
695
696         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
697         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
698         Rename from VEC_PACK_MOD_EXPR.
699         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
700         * expr.c (expand_expr_real_1): Ditto.
701         * tree-inline.c (estimate_num_insns_1): Ditto.
702         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
703
704         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
705         (vec_unpacks_lo_v4sf): Ditto.
706         (vec_pack_trunc_v2df): Ditto.
707         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
708         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
709         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
710
711         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
712         vec_pack_mod_v8hi.
713         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
714
715         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
716         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
717         packing of floating point operands.
718         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
719         represent unpacking of floating point operands.
720         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
721         [vec_unpacks_hi]: Ditto.
722         [vec_unpacks_lo]: Ditto.
723
724 2007-04-22  Jan Hubicka  <jh@suse.cz>
725
726         * final.c (rest_of_handle_final): Call
727         targetm.asm_out.constructor/targetm.asm_out.destructor
728         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
729         proper priority via decl_*_priority_insert.
730         * c-common.c (c_expand_body): Likewise.
731
732 2007-04-22  Richard Guenther  <rguenther@suse.de>
733
734         PR tree-optimization/29789
735         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
736         (rewrite_reciprocal): New helper split out from
737         determine_invariantness_stmt.
738         (rewrite_bittest): Likewise.
739         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
740         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
741         is not.
742
743 2007-04-22  Revital Eres  <eres@il.ibm.com>
744
745         * loop-unroll.c (var_to_expand): New field to support also
746         insns of the form x = something + x.
747         (analyze_insn_to_expand_var): Use it.
748         (expand_var_during_unrolling): Likewise.
749
750 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
751
752         * predict.c: Include pointer-set.h.
753         (bb_predictions): New variable.
754         (tree_predicted_by_p, tree_predict_edge,
755         remove_predictions_associated_with_edge): Use bb_predictions map
756         instead of bb->predictions.
757         (clear_bb_predictions, assert_is_empty): New functions.
758         (combine_predictions_for_bb): Use bb_predictions map.  Call
759         clear_bb_predictions.
760         (tree_estimate_probability): Create and free bb_predictions map.
761         * Makefile.in (predict.o): Add pointer-set.h dependency.
762         * basic-block.h (struct basic_block_def): Remove predictions
763         field.
764         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
765
766 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
767
768         PR target/31480
769         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
770         is null.
771
772 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
773
774         * timevar.c (timevar_print): Change reference of --disable-checking to
775         --enable-checking=release.  Also warn if assert checking is disabled.
776
777 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
778
779         PR C/30265
780         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
781         decl as addressable if the compound literal was marked as
782         addressable.
783         Mark the decl as a gimple register if it is a complex or
784         vector decl and does not live in memory.
785
786 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
787
788         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
789         (GENERIC_NEXT): New function macro.
790         (PHI_CHAIN): Use phi_node's new chain variable.
791         (tree_phi_node): Change tree_common to tree_base
792         and add the chain field.
793         * tree-phinodes.c (make_phi_node): Don't set
794         TREE_TYPE on the new node.
795         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
796         instead of checking GIMPLE_TUPLE_P in chain_next.
797         * tree-vect-transform.c
798         (get_initial_def_for_induction): Look at
799         PHI_RESULT_TREE for the type of the phi node.
800         (update_vuses_to_preheader): Use PHI_CHAIN
801         instead of TREE_CHAIN on the phi node.
802         * tree-ssa-structalias.c (compute_points_to_sets):
803         Likewise.
804         (ipa_pta_execute): Likewise.
805
806 2007-04-21  Richard Guenther  <rguenther@suse.de>
807
808         PR middle-end/31136
809         * fold-const.c (fold_unary): Call fold_convert_const on the
810         original tree.
811
812 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
813
814         * gcse.c (store_killed_in_insn): Handle PARALLELs.
815         (store_killed_in_pat): New.
816
817 2007-04-20  Richard Henderson  <rth@redhat.com>
818
819         PR target/31628
820         * config/i386/i386.c (type_has_variadic_args_p): Look for any
821         TREE_LIST with a void_type_node value, not void_list_node exactly.
822
823 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
824
825         * doc/standards.texi: Re-arrange into language-specific
826         subsections. Add a C++ section, documenting which standards we
827         support.
828
829 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
830
831         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
832         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
833
834 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
835
836         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
837         ecrti.o and crtbegin.o.
838         (LIB_DEFAULT_SPEC): Include -lc.
839         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
840
841 2007-04-20  Richard Henderson  <rth@redhat.com>
842
843         PR target/28623
844         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
845         argument; update all callers.
846         (get_unaligned_offset): New.
847         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
848         get_unaligned_address, just pass on the address directly.
849         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
850         the subreg in the helper patterns.
851         (unaligned_extendqidi_le): Use get_unaligned_offset.
852         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
853         (unaligned_extendhidi_be): Likewise.
854         (unaligned_extendhidi): Tidy.
855         * config/alpha/alpha-protos.h: Update.
856
857 2007-04-20  Richard Henderson  <rth@redhat.com>
858
859         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
860         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
861         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
862         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
863         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
864         (CPP_SPEC): Don't include %(cpp_subtarget).
865         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
866         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
867         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
868
869 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
870
871         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
872         for __builtin_ia32_cmpordss.
873
874         PR tree-optimization/31632
875         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
876         and arg1 for optimizations of comparison against min/max values.
877         Fold arg0 to arg1's type for optimizations of comparison against
878         min+1 and max-1 values.
879
880 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
881
882         * reload.c (combine_reloads): When trying to use a dying register,
883         check whether it's uninitialized and don't use if so.
884
885 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
886
887         * fold-const.c: Remove prototypes for native_encode_expr and
888         native_interpret_expr.
889         (native_encode_expr): Make non-static.
890         (native_interpret_expr): Likewise.
891         * tree.h: Add prototypes for the above.
892
893 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
894
895         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
896         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
897         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
898         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
899         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
900         Add length attributes.
901
902 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
903
904         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
905         not that it is 1.
906
907         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
908         __STDC_WANT_DEC_FP__.
909
910 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
911
912         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
913         for long double compatibility.
914         * configure: Regenerate.
915
916 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
917
918         PR rtl-optimization/29841
919         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
920         trap instructions.
921         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
922         that may cause control flow transfer from being moved.
923
924 2007-04-18  Jan Hubicka  <jh@suse.cz>
925
926         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
927         types.
928
929 2007-04-18  Eric Christopher  <echristo@apple.com>
930
931         * config/rs6000/darwin.md (load_macho_picbase): Use link register
932         only. Update operands.
933         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
934         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
935         link register to pic register.
936
937 2007-04-18  Dirk Mueller  <dmueller@suse.de>
938
939         PR diagnostic/31227
940         * tree-vrp.c (search_for_addr_array): New.
941         (check_array_bounds): Suppress warning about
942         address taken of array refs if its not de-referenced.
943
944 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
945
946         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
947         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
948
949         * tree-vectorizer.h (NITERS_KNOWN_P): New.
950         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
951         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
952
953         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
954         dump print.
955         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
956         print message.
957         (vect_analyze_scalar_cycles): Fix indentation.
958         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
959         (vect_mark_relevant): Include phis in relevance analysis.
960
961         * tree-vect-transform.c (vect_transform_loop): Add an assert.
962
963 2007-04-18  Anatoly Sokolov <aesok@post.ru>
964
965         * config/avr/avr.c (ptrreg_to_str): Replace error() with
966         output_operand_lossage().
967
968 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
969
970         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
971         the unused code for reduction without adjust-in-epilog to simplify the
972         function.
973
974 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
975
976         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
977         (S390_TDC_NEGATIVE_ZERO): New constant.
978         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
979         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
980         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
981         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
982         (S390_TDC_POSITIVE_INFINITY): New constant.
983         (S390_TDC_NEGATIVE_INFINITY): New constant.
984         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
985         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
986         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
987         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
988         (S390_TDC_INFINITY): New constant.
989         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
990         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
991         optimization for UNSPEC_CCZ_TO_INT.
992         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
993         ("*ccz_to_int"): New insn.
994         ("isinf<mode>2"): New insn.
995         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
996         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
997         (UNSPEC_CCZ_TO_INT): New constant.
998
999 2007-04-18  Richard Guenther  <rguenther@suse.de>
1000
1001         PR tree-optimization/19431
1002         PR tree-optimization/21463
1003         * tree-pass.h (pass_phiprop): Declare.
1004         * passes.c (init_optimization_passes): New phiprop pass.
1005         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
1006         (phivn_valid_p): New helper function.
1007         (phiprop_insert_phi): Likewise.
1008         (propagate_with_phi): Likewise.
1009         (tree_ssa_phiprop): New propagator propagating loads
1010         through phi nodes if profitable.
1011
1012 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1013
1014         * tree-vect-analyze.c (process_use): New function.
1015         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
1016         Check phis in all bbs.
1017         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
1018         assert.
1019
1020 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
1021
1022         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
1023         we use REG_EQUAL.
1024
1025 2007-04-17  Anatoly Sokolov <aesok@post.ru>
1026
1027         PR target/30483
1028         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
1029         error().
1030
1031 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
1032
1033         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
1034         on "0".
1035         (sse_vmmulv4sf3): Likewise.
1036         (sse2_vmaddv2df3): Likewise.
1037         (sse2_vmmulv2df3): Likewise.
1038
1039 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
1040
1041         PR rtl-optimization/31360
1042         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
1043         (target_reg_cost): New.
1044         (init_set_costs): Initialize target_reg_cost.  Add comments
1045         regarding the rationale of the costs.
1046         (global_cost_for_size): Renamed to...
1047         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
1048         of register pressure.
1049         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
1050         estimate_reg_pressure_cost.  Add number of ivs.
1051         (determine_set_costs): Dump target_reg_cost.
1052         * loop-invariant.c (gain_for_invariant):  Use
1053         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
1054         (best_gain_for_invariant, find_invariants_to_move): Remove
1055         n_inv_uses.
1056         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
1057         (target_reg_cost): Declare.
1058         (global_cost_for_size): Declaration removed.
1059         (estimate_reg_pressure_cost): Declare.
1060
1061 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
1062
1063         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
1064         regnos into even/odd register pairs.
1065         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
1066         TDmode similar to the other floating point modes.
1067         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
1068         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
1069         define_expand's.
1070         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
1071         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
1072         (movdd_hardfloat64): Use TARGET_MFPGPR.
1073
1074 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
1075
1076         * reload1.c (delete_output_reload): Don't count output in n_inherited.
1077
1078         Revert
1079         2005-01-05  Richard Henderson  <rth@redhat.com>
1080         PR rtl-opt/10692
1081         * reload1.c (do_input_reload): Restrict the optimization deleteing
1082         a previous output reload to RELOAD_FOR_INPUT.
1083
1084 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
1085
1086         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
1087         induc_vec_info_type.
1088         (vectorizable_induction): New function declaration.
1089         * tree-vect-transform.c (get_initial_def_for_induction): No need to
1090         check if already vectorized.  Find first place in BB where new stmts
1091         can be inserted.  Takes only one argument.
1092         (vectorizable_induction): New function.
1093         (vect_transform_stmt): Add case for induc_vec_info_type to call
1094         vectorizable_induction.
1095         (vect_transform_loop): Consider phis for vectorization.
1096         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
1097         condition.
1098         (analyze_operations): Call vectorizable_induction when analyzing phis.
1099         Fix comment.
1100         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
1101         (vect_mark_relevant): Include phis in relevance analysis.
1102         (vect_mark_stmts_to_be_vectorize): Likewise.
1103         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
1104
1105 2007-04-16  Lawrence Crowl  <crowl@google.com>
1106
1107         * doc/invoke.texi (Debugging Options): Add documentation for the
1108         -femit-struct-debug options -femit-struct-debug-baseonly,
1109         -femit-struct-debug-reduced, and
1110         -femit-struct-debug-detailed[=...].
1111
1112         * c-opts.c (c_common_handle_option): Add
1113         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
1114         and OPT_femit_struct_debug_detailed_.
1115         * c.opt: Add specifications for
1116         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
1117         and -femit-struct-debug-detailed[=...].
1118         * opts.c (set_struct_debug_option): Parse the
1119         -femit-struct-debug-... options.
1120         * opts.c (matches_main_base, main_input_basename,
1121         main_input_baselength, base_of_path, matches_main_base): Add
1122         variables and functions to compare header base name to compilation
1123         unit base name.
1124         * opts.c (should_emit_struct_debug): Add to determine to emit a
1125         structure based on the option.
1126         (dump_struct_debug) Also disabled function to debug this
1127         function.
1128         * opts.c (handle_options): Save the base name of the
1129         compilation unit.
1130
1131         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
1132         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
1133         This hook indicates if a type is generic.  Set it by default
1134         to "never generic".
1135         * langhooks.h (struct lang_hooks_for_types): Add a new hook
1136         to determine if a struct type is generic or not.
1137         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
1138         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
1139         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
1140         with live C++ hook.
1141
1142         * flags.h (enum debug_info_usage): Add an enumeration to describe
1143         a program's use of a structure type.
1144         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
1145         to indicate the program's usage of the type.  Filter structs based
1146         on the -femit-struct-debug-... specification.
1147         (gen_type_die): Split into two routines, gen_type_die and
1148         gen_type_die_with_usage.  gen_type_die is now a wrapper
1149         that assumes direct usage.
1150         (gen_type_die_with_usage): Replace calls to gen_type_die
1151         with gen_type_die_with_usage adding the program usage of
1152         the referenced type.
1153         (dwarf2out_imported_module_or_decl): Suppress struct debug
1154         information using should_emit_struct_debug when appropriate.
1155
1156 2007-04-16  Ian Lance Taylor  <iant@google.com>
1157
1158         PR tree-optimization/31522
1159         * tree-vrp.c (vr_phi_edge_counts): New static variable.
1160         (vrp_initialize): Allocate vr_phi_edge_counts.
1161         (vrp_visit_phi_node): Don't push to infinity if we saw a new
1162         executable edge.  Drop test for all constants.
1163         (vrp_finalize): Free vrp_phi_edge_counts.
1164
1165         * doc/cpp.texi (Common Predefined Macros): Clarify description of
1166         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
1167
1168         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
1169         predecessors at head rather than tail.
1170
1171 2007-04-16  Matthias Klose  <doko@debian.org>
1172
1173         * config/alpha/linux.h (CPP_SPEC): Define.
1174         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
1175
1176 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
1177
1178         * function.h: Remove sequence_stack extern declaration.
1179
1180 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1181
1182         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
1183         TARGET_FIDOA.
1184         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
1185         defined.
1186
1187 2007-04-16  Anatoly Sokolov <aesok@post.ru>
1188
1189         * config/avr/avr.c (avr_arch_types): Rearranging  array.
1190         (enum avr_arch): Add.
1191         (avr_mcu_types): Use avr_arch enumeration constants instead of
1192         numbers.
1193         * config/avr/avr.h (LINK_SPEC): Simplify.
1194
1195 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1196
1197         * config/m68k/m68k.c (m68k_libcall_value,
1198         m68k_function_value): Use macros for register names more.
1199
1200         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
1201         instead.
1202         (M68K_REGNAME): Use A6_REG.
1203         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
1204
1205 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1206
1207         PR middle-end/28071
1208         * sched-int.h (struct deps): Split field 'pending_lists_length' into
1209         'pending_read_list_length' and 'pending_write_list_length'.  Update
1210         comment.
1211         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
1212         to handle two length counters instead of one.  Update all uses.
1213         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
1214         two length counters instead of one.
1215         * sched-rgn.c (propagate_deps): Update to handle two length counters
1216         instead of one.
1217
1218 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
1219
1220         PR target/31582
1221         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
1222         copy of source, pass it to ix86_expand_vector_set and return
1223         it as target.
1224
1225 2007-04-16  David Ung  <davidu@mips.com>
1226             Joseph Myers  <joseph@codesourcery.com>
1227
1228         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
1229         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
1230         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
1231         Add 74K processor information.
1232         * config/mips/mips.md: Include 74k.md.
1233         (cpu): Add 74kc,74kf,74kx.
1234         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
1235         * config/mips/74k.md: New.
1236         * doc/invoke.texi (MIPS Options): Document 74K support.
1237
1238 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
1239
1240         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
1241         vectorizable_* functions.
1242         * tree-vect-transform.c (vectorizable_call): Add check for
1243         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
1244         (vectorizable_store): likewise.
1245         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
1246         Add comments.
1247         (vectorizable_operation, vectorizable_type_demotion): Likewise.
1248         (vectorizable_type_promotion, vectorizable_load): Likewise.
1249         (vectorizable_live_operation, vectorizable_condition): Likewise.
1250         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
1251         STMT_VINFO_LIVE_P.
1252         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
1253
1254 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1255
1256         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
1257         register numbers more.
1258         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
1259         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
1260         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
1261         FUNCTION_VALUE_REGNO_P): Likewise.
1262         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
1263         STATIC_CHAIN_REGNUM): Likewise.
1264         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
1265         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
1266         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
1267         * config/m68k/m68k.md (FP_REG): New.
1268
1269 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1270
1271         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
1272         alignment on fido.
1273
1274 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1275
1276         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
1277         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
1278         comment typos.
1279
1280 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1281
1282         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
1283         cold loops.
1284
1285 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1286
1287         PR c/31520
1288         * c-decl.c (finish_decl): Grab the type of the decl after the call
1289         to store_init_value.
1290
1291 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
1292
1293         * common.opt (fforward-propagate): Fix "Optimization" annotation.
1294
1295 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
1296
1297         PR c++/25874
1298         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
1299         post dominators and cleanup cfg before returning.
1300
1301 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
1302
1303         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
1304         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
1305
1306 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
1307
1308         * config.gcc: Recognize fido.
1309         * config/m68k/m68k-devices.def (fidoa): New.
1310         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
1311         __mfido__.
1312         (FL_FIDOA, TARGET_FIDOA): New.
1313         * config/m68k/m68k.opt (mfidoa): New.
1314
1315 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1316
1317         PR middle-end/31322
1318         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
1319         when a personality function is used.
1320
1321 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
1322
1323         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
1324
1325 2007-04-13  Mike Stump  <mrs@apple.com>
1326
1327         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
1328         we can...
1329         * config/darwin.opt (fapple-kext): Make C++ only.
1330         * config/darwin.c (darwin_override_options): Remove code to ensure
1331         -fapple-kext is given for C++ only.
1332
1333 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
1334
1335         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
1336         * config/mips/mips.c (override_options): Call
1337         SUBTARGET_OVERRIDE_OPTIONS, if defined.
1338
1339 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1340
1341         * config/i386/i386.opt (msvr3-shlib): Removed.
1342
1343         * doc/invoke.texi: Remove -msvr3-shlib.
1344
1345 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1346
1347         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
1348         with "popcnt" instruction.
1349
1350 2007-04-13  Richard Guenther  <rguenther@suse.de>
1351
1352         PR tree-optimization/21258
1353         * tree-vrp.c (compare_case_labels): New helper.
1354         (find_switch_asserts): New function.
1355         (find_assert_locations): Call it for SWITCH_EXPRs.
1356
1357 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
1358
1359         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
1360         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
1361         check is now implied in X87_FLOAT_MODE_P.
1362         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1363         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1364         (fix_trunc<mode>_i386_fisttp): Ditto.
1365         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1366         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1367         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1368         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1369         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1370         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1371         (unnamed_splitters): Ditto.
1372         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
1373         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
1374         FIRST_SSE_REG for local functions when SSE math is enabled or
1375         for functions with sseregparm attribute.
1376         (standard_80387_constant_p): Return -1 if mode is not
1377         X87_FLOAT_MODE_P.
1378         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
1379         (ix86_expand_compare): Ditto.
1380         (ix86_expand_carry_flag_compare): Ditto.
1381         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
1382         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
1383         DECIMAL_FLOAT_MODE_P.
1384         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
1385         of SCALAR_FLOAT_MODE_P.
1386         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
1387         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
1388         checks before FLOAT_MODE_P.
1389         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
1390         before FLOAT_MODE_P.
1391         [DIV]: Ditto.
1392         [NEG]: Ditto.
1393         [ABS]: Ditto.
1394         [SQRT]: Ditto.
1395         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
1396
1397 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
1398             Charles Wilson  <libtool@cwilson.fastmail.fm>
1399
1400         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
1401         (libgcc.mvars): Don't depend on them.
1402         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
1403         * exec-tool.in: New.
1404
1405 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
1406
1407         * doc/invoke.text (--help): Document --help=common.
1408
1409 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
1410
1411         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
1412
1413 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1414
1415         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
1416         * genemit.c (main): Emit #include "integrate.h".
1417         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
1418         (LOADGP_RTP): New mips_loadgp_style.
1419         * config/mips/mips.h: Include config/vxworks-dummy.h.
1420         (TARGET_RTP_PIC): New macro.
1421         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
1422         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
1423         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
1424         for TARGET_RTP_PIC.
1425         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
1426         -mvxworks-pic when using -mrtp and a PIC option.
1427         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
1428         for RTP PIC.
1429         (mips_symbolic_constant_p, mips_symbolic_address_p)
1430         (mips_symbol_insns): Handle SYMBOL_HALF.
1431         (override_options): Warn about -G and -mrtp being used together.
1432         Initialize mips_lo_relocs[SYMBOL_HALF].
1433         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
1434         (mips_emit_loadgp): Handle LOADGP_RTP.
1435         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
1436         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
1437         (tablejump): Handle function-relative case table entries if
1438         TARGET_RTP_PIC.
1439         * config/mips/predicates.md (symbol_ref_operand): New predicate.
1440
1441 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1442
1443         * config/mips/mips.md (load_call<mode>): Allow any general register.
1444         destination.
1445         (sibcall_value_internal, sibcall_value_multiple_internal)
1446         (call_value_internal, call_value_split, call_value_multiple_internal)
1447         (call_value_multiple_split): Remove constraints from operand 0.
1448
1449 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1450
1451         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
1452         rather than loadgp_noshared.
1453         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
1454         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
1455         gen_loadgp.
1456         * config/mips/mips.md (loadgp): Rename to...
1457         (loadgp_newabi): ...this.
1458         (loadgp_noshared): Rename to...
1459         (loadgp_absolute): ...this.
1460
1461 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1462
1463         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
1464         false for locally-binding symbols.
1465         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
1466
1467 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1468
1469         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
1470         (SYMBOL_GOT_PAGE_OFST): ...this.
1471         (SYMBOL_GOT_GLOBAL): Rename to...
1472         (SYMBOL_GOT_DISP): ...this.
1473         (SYMBOL_GOTOFF_GLOBAL): Rename to...
1474         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
1475         * config/mips/mips.c (mips_global_symbol_p): New function.
1476         (mips_symbol_binds_local_p): Likewise.
1477         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
1478         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
1479         and mips_symbol_binds_local_p.
1480         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
1481         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
1482         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
1483         SYMBOL_GOTOFF_DISP.
1484         (mips_ok_for_lazy_binding_p): New function.
1485         (mips_load_call_address, mips_expand_call): Use it.
1486         (mips_dangerous_for_la25_p): Likewise.
1487         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
1488         (*got_disp<mode>): Use got_disp_operand instead of
1489         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
1490         SYMBOL_GOTOFF_GLOBAL.
1491         (*got_page<mode>): Use got_page_ofst_operand instead of
1492         local_got_operand.
1493         * config/mips/predicates.md (const_call_insn_operand): Use
1494         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
1495         (global_got_operand): Rename to...
1496         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
1497         SYMBOL_GOT_GLOBAL.
1498         (local_got_operand): Rename to...
1499         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
1500         of SYMBOL_GOT_LOCAL.
1501
1502 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1503
1504         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
1505         TARGET_CALL_CLOBBERED_GP.
1506         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1507         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
1508         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
1509         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
1510         of TARGET_ABICALLS && !TARGET_NEWABI.
1511         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1512         * config/mips/mips.c (mips_load_call_address): Check
1513         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
1514         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1515         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
1516         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
1517         TARGET_ABICALLS && TARGET_NEWABI.
1518         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
1519         TARGET_ABICALLS.
1520         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
1521         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
1522         TARGET_ABICALLS && TARGET_NEWABI.
1523         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
1524         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
1525         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
1526         whether indirect calls must use $25.
1527         (mips_extra_live_on_entry): Check TARGET_GOT instead of
1528         TARGET_ABICALLS.
1529         * config/mips/mips.md (jal_macro): Check flag_pic and
1530         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
1531         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
1532         instead of TARGET_ABICALLS.
1533         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
1534         TARGET_ABICALLS && TARGET_OLDABI.
1535         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1536         (sibcall): In the comment above the define_insn, mention
1537         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
1538         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
1539         instead of TARGET_ABICALLS.
1540
1541 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1542
1543         * doc/md.texi (Blackfin family constraints): Document PA and PB.
1544         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
1545         (MACFLAGS_MATCH_P): New macro.
1546         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
1547         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
1548         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
1549         the other MACFLAG constants.
1550         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
1551         (flag_machi): Tighten constraints.  Renumber some of the operands.
1552         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
1553         output template.
1554         (flag_machi_parts_acconly): New pattern.
1555         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
1556         used.
1557         (flag_macinit1hi): Tighten constraints.
1558         (flag_mul_macv2hi_parts_acconly): New pattern.
1559
1560         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
1561         Use a more efficient implementation.
1562         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
1563         inline sequences when not optimizing for size.
1564
1565         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
1566         movhi_high2low): Delete, merge functionality into...
1567         (packv2hi): ... this pattern.
1568
1569         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
1570         * config/bfin/bfin.opt (msim): New option.
1571         (mcpu=): New option.
1572         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
1573         (bfin_cpu_t): Typedef of enum bfin_cpu.
1574         (bfin_cpu_type): New declaration.
1575         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
1576         -msim and -mcpu= options.
1577         (LIB_SPEC): Likewise.
1578         * config/bfin/bfin.c (bfin_cpu_type): Define.
1579         (bfin_handle_option): Handle -mcpu= option.
1580         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
1581         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
1582         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
1583
1584 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1585
1586         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
1587         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
1588         (powerpc-wrs-vxworksae): Use ${tm_file}.
1589         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
1590         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
1591         * config/i386/vx-common.h: New file.
1592
1593 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1594
1595         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
1596         of crt0.o%s.
1597
1598 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1599
1600         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
1601         ldxtr.
1602
1603 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
1604
1605         PR c++/31078
1606         PR c++/31103
1607         * c-common.c (c_build_qualified_type): Set canonical type
1608         appropriately.
1609
1610 2007-04-12  Richard Guenther  <rguenther@suse.de>
1611
1612         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
1613         lower bound and element size if lower bound is not zero
1614         or either of the ARRAY_REF operands is set.
1615
1616 2007-04-12  Richard Guenther  <rguenther@suse.de>
1617
1618         PR tree-optimization/24689
1619         PR tree-optimization/31307
1620         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
1621         indices by value.
1622         * gimplify.c (canonicalize_addr_expr): To be consistent with
1623         gimplify_compound_lval only set operands two and three of
1624         ARRAY_REFs if they are not gimple_min_invariant.  This makes
1625         it never at this place.
1626         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
1627
1628 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1629
1630         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
1631         null before emitting a .nsubspa directive.
1632
1633 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
1634
1635         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
1636         need_to_partition_p if there are no memory statements in the
1637         function.
1638
1639 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1640
1641         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
1642         (gcd_of_steps_may_divide_p): New function.
1643         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
1644
1645 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1646
1647         * reload.c (find_reloads_toplev, find_reloads_address,
1648         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
1649         not a pointer equality test, to decide if we need to call
1650         push_reg_equiv_alt_mem.
1651
1652 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
1653
1654         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
1655         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
1656         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
1657
1658 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1659
1660         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
1661         vector to be positive.
1662
1663 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
1664
1665         PR 30735
1666         PR 31090
1667         * doc/invoke.texi: Document --params max-aliased-vops and
1668         avg-aliased-vops.
1669         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
1670         debug_memory_partitions): Move to tree-flow.h
1671         * params.h (AVG_ALIASED_VOPS): Define.
1672         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
1673         users.
1674         (mp_info_t): Likewise.
1675         (get_mem_sym_stats_for): New.
1676         (set_memory_partition): Move from tree-flow-inline.h.
1677         (mark_non_addressable): Only clear the set of symbols for the
1678         partition if it exists.
1679         (dump_memory_partitions): Move from tree-ssa-operands.c
1680         (debug_memory_partitions): Likewise.
1681         (need_to_partition_p): New.
1682         (dump_mem_ref_stats): New.
1683         (debug_mem_ref_stats): New.
1684         (dump_mem_sym_stats): New.
1685         (debug_mem_sym_stats): New.
1686         (update_mem_sym_stats_from_stmt): New.
1687         (compare_mp_info_entries): New.
1688         (mp_info_cmp): Call it.
1689         (sort_mp_info): Change argument to a list of mem_sym_stats_t
1690         objects.
1691         (get_mpt_for): Move from tree-ssa-operands.c.
1692         (find_partition_for): New.
1693         (create_partition_for): Remove.
1694         (estimate_vop_reduction): New.
1695         (update_reference_counts): New.
1696         (build_mp_info): New.
1697         (compute_memory_partitions): Refactor.
1698         Document new heuristic.
1699         Call build_mp_info, update_reference_counts,
1700         find_partition_for and estimate_vop_reduction.
1701         (compute_may_aliases): Populate virtual operands before
1702         calling debugging dumps.
1703         (delete_mem_sym_stats): New.
1704         (delete_mem_ref_stats): New.
1705         (init_mem_ref_stats): New.
1706         (init_alias_info): Call it.
1707         (maybe_create_global_var): Remove alias_info argument.
1708         Get number of call sites and number of pure/const call sites
1709         from gimple_mem_ref_stats().
1710         (dump_alias_info): Call dump_memory_partitions first.
1711         (dump_points_to_info_for): Show how many times a pointer has
1712         been dereferenced.
1713         * opts.c (decode_options): For -O2 set --param
1714         max-aliased-vops to 500.
1715         For -O3 set --param max-aliased-vops to 1000 and --param
1716         avg-aliased-vops to 3.
1717         * fortran/options.c (gfc_init_options): Remove assignment to
1718         MAX_ALIASED_VOPS.
1719         * tree-flow-inline.h (gimple_mem_ref_stats): New.
1720         * tree-dfa.c (dump_variable): Dump memory reference
1721         statistics.
1722         Dump NO_ALIAS* settings.
1723         (referenced_var_lookup): Tidy.
1724         (mem_sym_stats): New.
1725         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
1726         and ORIG are different SSA names for a memory partition.
1727         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
1728         * tree-flow.h (struct mem_sym_stats_d): Define.
1729         (mem_sym_stats_t): Define.
1730         (struct mem_ref_stats_d): Define.
1731         (struct gimple_df): Add field mem_ref_stats.
1732         (enum noalias_state): Define.
1733         (struct var_ann_d): Add bitfield noalias_state.
1734         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
1735         debug_mem_ref_stats, debug_memory_partitions,
1736         debug_mem_sym_stats): Declare.
1737         * tree-ssa-structalias.c (update_alias_info): Update call
1738         sites, pure/const call sites and asm sites in structure
1739         returned by gimple_mem_ref_stats.
1740         Remove local variable IS_POTENTIAL_DEREF.
1741         Increase NUM_DEREFS if the memory expression is a potential
1742         dereference.
1743         Call update_mem_sym_stats_from_stmt.
1744         If the memory references memory, call
1745         update_mem_sym_stats_from_stmt for all the direct memory
1746         symbol references found.
1747         (intra_create_variable_infos): Set noalias_state field for
1748         pointer arguments according to the value of
1749         flag_argument_noalias.
1750         * tree-ssa-structalias.h (struct alias_info): Remove fields
1751         num_calls_found and num_pure_const_calls_found.
1752         (update_mem_sym_stats_from_stmt): Declare.
1753         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
1754         Set default value to 100.
1755         (PARAM_AVG_ALIASED_VOPS): Define.
1756
1757 2007-04-11  Richard Guenther  <rguenther@suse.de>
1758
1759         PR middle-end/31530
1760         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
1761         a * -b + c as c - a * b if we honor sign dependent rounding.
1762
1763 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1764
1765         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
1766         bfin_expand_strmov.
1767         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
1768         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
1769         variables.
1770         (initialize_trampoline): Don't use old-style function definition.
1771         (bfin_secondary_reload): Mark IN_P argument as unused.
1772
1773 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
1774
1775         PR tree-optimization/31343
1776         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
1777         (build_polynomial_chrec): Return a scalar when the evolution is zero.
1778         * testsuite/gcc.dg/vect/pr31343.c: New.
1779
1780 2007-04-10  Eric Christopher  <echristo@apple.com>
1781
1782         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
1783         * config/i386/i386.md (*cmpfp0): Use.
1784         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1785         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1786         (fix_trunc<mode>_i386_fisttp): Ditto.
1787         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1788         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1789         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1790         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1791         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1792         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1793         (unnamed_splitters): Ditto.
1794         * config/i386/i386.c (output_fix_trunc): Assert that
1795         we're not being passed a TFmode operand.
1796
1797 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
1798
1799         PR tree-optimization/31526
1800         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
1801         n_basic_blocks to find newly added blocks.
1802
1803 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
1804
1805         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
1806         alternative.
1807         (fix_trunc<mode>si_sse): Ditto.
1808         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
1809         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
1810         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
1811         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
1812         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
1813         expander using SSEMODEF mode macro.
1814         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
1815         expander using SSEMODEF mode macro.
1816         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
1817         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
1818         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
1819         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
1820         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
1821         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
1822         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
1823         Macroize insn using X87MODEF mode macro.
1824
1825 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
1826
1827         * config/i386/sse.md (sse2_pinsrw): Removed.
1828         (sse2_pextrw): Renamed to ...
1829         (*sse2_pextrw): This.
1830
1831 2007-04-09  Jan Hubicka  <jh@suse.cz>
1832
1833         PR target/27869
1834         * config/i386/sse.md
1835         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
1836         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
1837         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
1838         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
1839
1840 2007-04-09  Jan Hubicka  <jh@suse.cz>
1841
1842         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
1843         multiple fields of union.
1844
1845 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
1846
1847         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
1848         (create_preheaders): Check that loops are available.
1849         (fix_loop_structure): Clean up, improve comments.
1850         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
1851         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
1852         state flags.
1853         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
1854         * predict.c (tree_estimate_probability): Do not call
1855         calculate_dominance_info.  Call create_preheaders.
1856         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
1857         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
1858         flags.
1859         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
1860         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
1861         * tree-cfg.c (tree_split_edge): Make an assert more precise.
1862         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
1863         arguments.
1864
1865 2007-04-08  Jan Hubicka  <jh@suse.cz>
1866
1867         * tree.h (maybe_fold_offset_to_component_ref): Declare.
1868         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
1869         * fold-const.c (fold_unary): Use it.
1870
1871 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1872
1873         * varasm.c (assemble_variable): Remove call to
1874         lang_hooks.decls.prepare_assemble_variable.
1875         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
1876         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
1877         * langhooks.h (lang_hooks_for_decls): Remove
1878         prepare_assemble_variable.
1879
1880 2007-04-08  Mike Stump  <mrs@apple.com>
1881
1882         * config/i386/i386.c: Use inc/dec on Core2.
1883
1884 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
1885
1886         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
1887         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
1888         lhd_tree_inlining_end_inlining): Remove.
1889         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
1890         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
1891         end_inlining hooks.
1892         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
1893         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
1894         lhd_tree_inlining_end_inlining): Remove prototypes.
1895         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
1896         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
1897         LANG_HOOKS_TREE_INLINING_START_INLINING,
1898         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
1899
1900         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
1901         not set it.
1902
1903 2007-04-08  Anatoly Sokolov <aesok@post.ru>
1904
1905         PR target/29932
1906         * config/avr/predicates.md (io_address_operand): Delete predicate.
1907         (low_io_address_operand): Don't use 'mode' argument.
1908         (higth_io_address_operand): Rename ...
1909         (high_io_address_operand): ... to this. Don't use 'mode' argument.
1910         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
1911         for above change.
1912
1913 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
1914
1915         Revert change removing staticp.
1916
1917 2007-04-07  Anatoly Sokolov <aesok@post.ru>
1918
1919         PR target/30289
1920         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
1921         earlyclobber.
1922
1923 2007-04-07  Bruce Korb  <bkorb@gnu.org>
1924
1925         * c.opt: Add -Wformat-contains-nul.
1926         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
1927           -Wformat setting.
1928         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
1929         the NUL byte warning.
1930
1931 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
1932
1933         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
1934
1935 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
1936
1937         * tree.c (staticp): No longer use staticp langhook.
1938         * langhooks.c (lhd_staticp): Removed.
1939         * langhooks.h (struct lang_hooks): Remove staticp.
1940         * c-common.c (c_staticp): Remove.
1941         * c-common.h (c_staticp): Ditto.
1942         * langhooks-defs.h (lhd_staticp): Ditto.
1943         (LHD_HOOKS_STATICP): Ditto
1944         * tree.h (gcc_assert_lowered): New macro.
1945
1946 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
1947
1948         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
1949         argument "reliable".
1950         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
1951         Add argument "reliable".  Propagate it through calls.
1952         (infer_loop_bounds_from_undefined):  Derive number of iterations
1953         estimates from references in blocks that do not dominate loop latch.
1954         (gcov_type_to_double_int): New function.
1955         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
1956         and expected_loop_iterations_unbounded.
1957         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
1958         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
1959         * tree-data-ref.c (estimated_loop_iterations): Export.
1960         (get_references_in_stmt): Fix -- do not return addresses of local
1961         objects.
1962         * cfgloop.h (expected_loop_iterations_unbounded,
1963         estimated_loop_iterations): Declare.
1964
1965 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
1966
1967         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
1968
1969 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
1970
1971         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
1972         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
1973         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
1974         Use output_387_reg_move().
1975         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
1976         expander using X87MODEF12 mode macro.
1977         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
1978         choosing register preferences.  Use output_387_reg_move().
1979         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
1980         instead of "x".  Use output_387_reg_move().
1981         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
1982         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
1983         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
1984         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
1985         Use output_387_reg_move().
1986         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
1987         mode macro.
1988         (*truncxf?f_i387 splitter): Ditto.
1989
1990 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
1991
1992         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
1993         LANG_HOOKS_SAFE_FROM_P.
1994         * expr.c (safe_from_p): Remove langhook call.
1995         * langhooks.h (lang_hooks): Remove safe_from_p.
1996         (lhd_safe_from_p): Remove prototype.
1997         * langhooks.c (lhd_safe_from_p): Remove.
1998
1999 2007-04-06  Jan Hubicka  <jh@suse.cz>
2000
2001         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
2002         functions.
2003
2004 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2005
2006         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
2007         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
2008         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
2009         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
2010         alternative.
2011         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
2012         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
2013
2014 2007-04-05  Richard Henderson  <rth@redhat.com>
2015
2016         * config/alpha/alpha.c (print_operand) [+]: Remove.
2017         (alpha_end_function): Print nop if call at end of function.
2018         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
2019         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
2020         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
2021         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
2022         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
2023         the call pattern. Update peepholes to match.
2024
2025 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
2026
2027         * doc/extend.texi (Other Builtins): Add decimal float variants
2028         of signbit.
2029         * builtins.def: Ditto.
2030         * builtins.c (expand_builtin): Ditto.
2031
2032 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
2033             H.J. Lu  <hongjiu.lu@intel.com>
2034
2035         PR target/31478
2036         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
2037         of V8HImode when calling ix86_binary_operator_ok.
2038         (sse2_pmaddwd): Call ix86_binary_operator_ok.
2039         (sdot_prodv8hi): Operands 1 and 2 must be register.
2040
2041 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2042
2043         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
2044         initialize align to silence bogus warning.
2045
2046 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2047
2048         PR middle-end/22156
2049         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
2050         all_no_warning.
2051         (struct sra_walk_fns): Remove use_all parameter from use.
2052         (sra_hash_tree): Handle BIT_FIELD_REFs.
2053         (sra_elt_hash): Don't hash bitfld blocks.
2054         (sra_elt_eq): Skip them in parent compares as well.  Handle
2055         BIT_FIELD_REFs.
2056         (sra_walk_expr): Don't maintain or pass down use_all_p.
2057         (scan_use): Remove use_all parameter.
2058         (scalarize_use): Likewise.  Re-expand assignment to
2059         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
2060         output, and re-scalarize after output.  Don't mark anything
2061         for no warning.
2062         (scalarize_ldst): Adjust.
2063         (scalarize_walk_gimple_modify_statement): Likewise.
2064         (build_element_name_1): Handle BIT_FIELD_REFs.
2065         (instantiate_element): Don't warn for any element whose parent
2066         is used as a whole.
2067         (instantiate_missing_elements_1): Return the sra_elt.
2068         (canon_type_for_field): New.
2069         (try_instantiate_multiple_fields): New.
2070         (instantiate_missing_elemnts): Use them.
2071         (mark_no_warning): Removed.
2072         (generate_one_element_ref): Handle BIT_FIELD_REFs.
2073         (REPLDUP, sra_build_elt_assignment): New.
2074         (generate_copy_inout): Use them.
2075         (generate_element_copy): Likewise.  Handle bitfld differences.
2076         (generate_element_zero): Don't recurse for blocks.  Use
2077         sra_build_elt_assignment.
2078         (generate_one_element_int): Take elt instead of var.  Use
2079         sra_build_elt_assignment.
2080         (generate_element_init_1): Adjust.
2081         (scalarize_use, scalarize_copy): Use REPLDUP.
2082         (scalarize_ldst): Move assert before dereference.
2083         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
2084
2085 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2086
2087         * regmove.c: Fix unused variable warnings due to previous commit.
2088
2089 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2090
2091         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
2092         (regmove_bb_head): Remove.
2093         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
2094         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
2095         problems with fixup_match_1.
2096         Don't initialize/free regmove_bb_head.
2097
2098         (reg_is_remote_constant_p): If an insn is in the same basic block
2099         but not before INSN, consider it remote, too.
2100
2101 2007-04-05  Anatoly Sokolov <aesok@post.ru>
2102
2103         PR target/25448
2104         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
2105         DECL_ASSEMBLER_NAME, not the DECL_NAME.
2106
2107 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
2108
2109         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
2110         (CONDITIONAL_REGISTER_USAGE): Likewise.
2111
2112 2007-04-04  Richard Henderson  <rth@redhat.com>
2113
2114         * config/alpha/lib1funcs.asm: Remove unused file.
2115
2116 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2117
2118         PR other/31356
2119         * opts.c (print_specific_help): Fix --help=<language>
2120         header line.
2121         (common_handle_option): Support --help=common.
2122
2123 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2124
2125         PR other/31353
2126         * gcc.c (main): Do not run the linker if
2127         print_subprocess_help indicates that it shouldn't be
2128         run.
2129
2130 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2131
2132         PR doc/31355
2133         * doc/invoke.texi (--help=): Document <languages> value, fix
2134         formatting in tables of values.
2135
2136 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
2137
2138         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
2139         dllimport attribute of virtual methods.
2140
2141 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
2142
2143         * config/score/crti.asm: Change _bss_start to __bss_start.
2144         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
2145         (OUTGOING_REG_PARM_STACK_SPACE) update.
2146         * config/score/score.opt: add options to make backend support
2147         score5, score5u, score7 and score7d.
2148         * config/score/score.md: Likewise.
2149         * config/score/misc.md: Likewise.
2150         * config/score/mac.md: Likewise.
2151         * doc/invoke.texi: Likewise.
2152         * doc/md.texi: update constraints define.
2153
2154 2007-04-03  Richard Henderson  <rth@redhat.com>
2155
2156         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
2157         an appropriate type, use the mode instead.
2158
2159 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
2160
2161         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
2162         Set the default --with-arch setting to mips2.
2163         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
2164         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
2165         (MULTILIB_OSDIRNAMES): Delete.
2166         (MULTILIB_DIRNAMES): Define.
2167         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
2168         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
2169         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
2170         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
2171         VXWORKS_OS_CPP_BUILTINS.
2172         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
2173         (MIPS_DEBUGGING_INFO): Undefine.
2174         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
2175
2176 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
2177
2178         PR middle-end/30704
2179         * fold-const.c (native_encode_real): Encode real.c provided longs
2180         as a series of 32-bit native integers.
2181         (native_interpret_real): Interpret buffer as a series of 32-bit
2182         native integers.
2183
2184 2007-04-03  Richard Guenther  <rguenther@suse.de>
2185
2186         * genpreds.c (write_insn_constraint_len): Write function
2187         optimized for CONSTRAINT_LEN implementation.
2188         (write_tm_preds_h): Output insn_constraint_len inline and
2189         use it for CONSTRAINT_LEN.
2190         (write_insn_preds_c): Don't output insn_constraint_len.
2191         * doc/md.texi (define_register_constraint): Document multi-letter
2192         constraints shall have the same length if they start with the same
2193         letter.
2194
2195 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2196
2197         PR target/31175
2198         * config/i386/i386.md (isinf<mode>2): Expand only when
2199         TARGET_C99_FUNCTIONS is set.
2200
2201 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2202
2203         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
2204         (x86_64-*-linux*): Ditto.
2205         * config/i386/i386.opt (mpc): New option.
2206         * config/i386/i386.c (overrride_options): Handle
2207         ix87_precision_string.
2208         * config/i386/crtprec.c: New file.
2209         * config/i386/t-crtpc: Ditto.
2210         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
2211         and -mpc80 options.
2212         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
2213         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2214         crtprec32.o, crtprec64.o and crtprec80.o.
2215
2216         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
2217         and -mpc80 options.
2218         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
2219
2220 2007-04-02  Eric Christopher  <echristo@apple.com>
2221
2222         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
2223         limitations on darwin.
2224
2225 2007-04-02  Anatoly Sokolov <aesok@post.ru>
2226
2227         PR target/31137
2228         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
2229
2230 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2231
2232         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
2233
2234 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2235
2236         * libgcc2.h (exception_descriptor): Don't forward-declare.
2237         (__get_eh_table_language, __get_eh_table_version): Delete
2238         prototypes of long-dead functions.
2239
2240 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
2241
2242         * ebitmap.h: New file
2243         * ebitmap.c: New file
2244         * Makefile.in (ebitmap.o): New target.
2245
2246 2007-04-01  Jan Hubicka  <jh@suse.cz>
2247
2248         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
2249         before very first instruction.
2250
2251 2007-04-01  Jan Hubicka  <jh@suse.cz>
2252
2253         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
2254         waring on 64bit hosts.
2255         * bitmap.h: Fix typo in bitmap_head_def.
2256
2257 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2258
2259         PR rtl-optimization/31391
2260         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
2261         into a DELETED_LABEL note, and the label is in an empty basic
2262         block, update BB_END as well as BB_HEAD.
2263
2264 2007-04-01  Richard Henderson  <rth@redhat.com>
2265
2266         PR tree-optimization/31169
2267         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
2268         to varying if the range is outside [0,  prec-1].
2269
2270 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
2271
2272         PR target/31388
2273         * config/mips/mips.md (load_const_gp): New insn.
2274         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
2275         the MIPS16 GP pseudo register if no_new_pseudos.
2276         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
2277
2278 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2279
2280         PR target/31364
2281         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
2282         secureplt.
2283         (call_value): Likewise.
2284
2285 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
2286             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2287
2288         PR 14737
2289         * doc/invoke.texi: (optimization options): Reword description
2290         of -ffast-math. Document its primary purpose.
2291
2292 2007-03-31  Richard Guenther  <rguenther@suse.de>
2293
2294         * omp-low.c (splay-tree.h): Include.
2295         (lookup_decl): Replace splay-tree usage by pointer-map.
2296         (maybe_lookup_decl): Likewise.
2297         (new_omp_context): Likewise.
2298         (delete_omp_context): Likewise.
2299         * gimplify.c (splay-tree.h): Include.
2300         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
2301         pointer-map.
2302         (remap_ssa_name): Likewise.
2303         (remap_decl): Likewise.
2304         (remap_type_1): Likewise.
2305         (remap_type): Likewise.
2306         (copy_body_r): Likewise.
2307         (expand_call_inline): Likewise.
2308         (clone_body): Likewise.
2309         (copy_tree_r): Likewise.
2310         (remap_save_expr): Likewise.
2311         (unsave_r): Likewise.
2312         (unsave_expr_now): Likewise.
2313         (tree_function_versioning): Likewise.
2314         (build_duplicate_type): Likewise.
2315         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
2316         (struct copy_body_data): Replace splay-tree by pointer-map.
2317         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
2318         not $(SPLAY_TREE_H).
2319         (gimplify.o): Depend on $(SPLAY_TREE_H).
2320         (omp-low.p): Likewise.
2321
2322 2007-03-31  Anatoly Sokolov <aesok@post.ru>
2323
2324         * config/avr/predicates.md (even_register_operand,
2325         odd_register_operand): New predicates.
2326         * config/avr/avr.md (movw peephole2): New.
2327         (movw_r peephole2): New.
2328
2329 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
2330
2331         * tree.h (get_signed_or_unsigned_type): New.
2332         * fold-const.c (operand_equal_for_comparison_p): Use
2333         get_signed_or_unsigned_type instead of
2334         lang_hooks.types.signed_or_unsigned_type.
2335         * expr.c (store_expr): Ditto.
2336         * langhooks.c (get_signed_or_unsigned_type): New.
2337         (lhd_signed_or_unsigned_type): New.
2338         * langhooks.h (lhd_signed_or_unsigned_type): New.
2339         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
2340
2341 2007-03-30  Richard Henderson  <rth@redhat.com>
2342
2343         * tree-ssa-loop-ivopts.c: Include target.h.
2344         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
2345         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
2346         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
2347         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
2348
2349 2007-03-30  Richard Henderson  <rth@redhat.com>
2350             Kai Tietz  <kai.tietz@onevision.com>
2351
2352         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
2353         default for 64-bit.
2354         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
2355         (TARGET_64BIT_MS_ABI): New.
2356         (DBX_REGISTER_NUMBER): Handle 64-bit.
2357         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
2358         (LONG_TYPE_SIZE): Force to 32.
2359         (REG_PARM_STACK_SPACE): New.
2360         (OUTGOING_REG_PARM_STACK_SPACE): New.
2361         (REGPARM_MAX, SSE_REGPARM_MAX): New.
2362         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2363         (STACK_BOUNDARY): Use 128 for 64-bit.
2364         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
2365         Add 64-bit implementation.
2366         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
2367         argument unused.
2368         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
2369         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
2370         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
2371         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
2372         (ix86_handle_cconv_attribute): Don't warn when ignoring if
2373         TARGET_64BIT_MS_ABI.
2374         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
2375         (ix86_pass_by_reference): Likewise.
2376         (ix86_function_value_regno_p): Likewise.
2377         (ix86_build_builtin_va_list): Likewise.
2378         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2379         (function_arg_advance_ms_64): New.
2380         (function_arg_advance): Call it.
2381         (function_arg_ms_64): New.
2382         (function_arg): Call it.
2383         (function_value_ms_64): New.
2384         (ix86_function_value_1): Call it.
2385         (return_in_memory_ms_64): New.
2386         (ix86_return_in_memory): Call it.
2387         (setup_incoming_varargs_ms_64): New.
2388         (ix86_setup_incoming_varargs): Call it.
2389         (ix86_expand_prologue): Handle 64-bit stack probing.
2390         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
2391         (output_pic_addr_const): Likewise.
2392         (x86_this_parameter): Likewise.
2393         (x86_output_mi_thunk): Likewise.
2394         (x86_function_profiler): Likewise.
2395         (TARGET_STRICT_ARGUMENT_NAMING): New.
2396         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
2397         (TARGET_64BIT_MS_ABI): New.
2398         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
2399         * config/i386/i386.md (allocate_stack_worker): Remove.
2400         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
2401         describe the clobber of eax without a match_scratch.
2402         (allocate_stack_worker_postreload): Remove.
2403         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
2404         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
2405         (allocate_stack_worker_rex64_postreload): Remove.
2406         (allocate_stack): Handle 64-bit.
2407         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
2408         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
2409         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
2410         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
2411         (STANDARD_STARTFILE_PREFIX_1): Likewise.
2412         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
2413         * config.build (x86_64-*-mingw*): New host.
2414         * config.host (x86_64-*-mingw*): New host.
2415         * config.gcc (x86_64-*-mingw*): New target.
2416         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
2417
2418 2007-03-30  Richard Henderson  <rth@redhat.com>
2419             Kai Tietz  <kai.tietz@onevision.com>
2420
2421         * c-pragma.c (struct def_pragma_macro_value): New.
2422         (struct def_pragma_macro): New.
2423         (pushed_macro_table): New.
2424         (dpm_hash, dpm_eq): New.
2425         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
2426         (init_pragma): Install them.
2427         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2428
2429 2007-03-30  Anatoly Sokolov <aesok@post.ru>
2430
2431         * config/avr/avr.c (avr_override_options): Clear
2432         'flag_delete_null_pointer_checks'.
2433
2434 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
2435
2436         PR c++/26099
2437         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
2438         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
2439         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
2440         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
2441         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
2442         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
2443         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
2444         C++ extensions.
2445         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
2446
2447 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
2448
2449         * regmove.c: Move all of pass_stack_adjustments from here...
2450         * combine-stack-adj.c: ...to this new file.
2451         * Makefile.in: Add rules for combine-stack-adj.o.
2452
2453 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
2454
2455         PR tree-optimization/31383
2456         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
2457         to have the same length.
2458
2459 2007-03-30  Jan Hubicka  <jh@suse.cz>
2460
2461         PR middle-end/30700
2462         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
2463         availablility; add more sanity checking; ask varpool only about
2464         VAR_DECL.
2465
2466 2007-03-29  Richard Henderson  <rth@redhat.com>
2467
2468         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
2469         to decide, but __SIZEOF_LONG_LONG__.
2470
2471 2007-03-29  Richard Henderson  <rth@redhat.com>
2472
2473         * emutls.c (struct __emutls_array): New.
2474         (emutls_destroy): Use it instead of casting element 0 from void*.
2475         (__emutls_get_address): Likewise.
2476
2477 2007-03-29  Richard Henderson  <rth@redhat.com>
2478
2479         * varasm.c (initializer_constant_valid_p): Don't deny
2480         DECL_DLLIMPORT_P on functions.
2481
2482         * config/i386/cygming.h: Remove function declarations.
2483         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
2484         (ASM_OUTPUT_LABELREF): Remove.
2485         (COMMON_ASM_OP): Remove.
2486         (ASM_OUTPUT_COMMON): Remove.
2487         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
2488         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
2489         (ASM_DECLARE_FUNCTION_NAME): Likewise.
2490         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
2491         Rename from TARGET_ENCODE_SECTION_INFO.
2492         * config/i386/netware.h: Likewise.
2493         * config/i386/i386-protos.h: Update.
2494         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
2495         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
2496         (legitimate_constant_p): Reject dllimports.
2497         (dllimport_map, get_dllimport_decl): New.
2498         (legitimize_dllimport_symbol): New.
2499         (legitimize_address, ix86_expand_move): Use it.
2500         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
2501         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
2502         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
2503         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
2504         * config/i386/predicates.md (constant_call_address_operand): Only
2505         accept symbols; reject dllimport_p symbols.
2506         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
2507         i386_pe_maybe_record_exported_symbol.
2508         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
2509         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
2510         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
2511         trust the setting of DECL_DLLIMPORT_P.
2512         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
2513         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
2514         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
2515         tidy the argument scanning loop.
2516         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
2517         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
2518         (i386_pe_strip_name_encoding): Remove.
2519         (i386_pe_binds_local_p): New.
2520         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
2521         (i386_pe_output_labelref): Remove.
2522         (i386_pe_asm_output_aligned_decl_common): New.
2523         (i386_pe_maybe_record_exported_symbol): Rename from
2524         i386_pe_record_exported_symbol; check for dllexported symbols.
2525
2526 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
2527
2528         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
2529         add comment explaining why vsnprintf cannot be used.
2530
2531 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
2532
2533         PR tree-optimization/30666
2534         * tree.c (build_complex_type): When creating type names for DWARF2
2535         debug info, create TYPE_DECLs for TYPE_NAME instead of
2536         IDENTIFIER_NODEs.
2537         (build_common_tree_nodes_2): Use build_complex_type when building
2538         predefined complex types, to preserve canonical types.
2539
2540 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
2541
2542         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
2543         (noce_get_alt_condition): Look at it to determine whether to
2544         reverse the condition or not.
2545         (noce_get_condition): Substitute the truth for lies.
2546         (noce_find_if_block): Set the then_else_reversed field.
2547
2548 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
2549
2550         * config/fr30/fr30.md (movdi): Do not accept immediates as the
2551         destination of this insn.
2552         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
2553         than calling gen_rtx_SET directly.  Use r0 to hold the value of
2554         'address + 4' rather than a stack based temporary which can be
2555         mis-optimized away.
2556
2557 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2558
2559         * config/s390/s390.c (s390_secondary_input_reload_class,
2560         s390_secondary_output_reload_class): Functions removed.
2561         (s390_secondary_reload): New function.
2562         (TARGET_SECONDARY_RELOAD): Target macro defined.
2563         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
2564         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
2565         * config/s390/s390.md ("reload_outti", "reload_outdi",
2566         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
2567         "reload_out<mode>"): Expanders removed.
2568         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
2569         "reload<mode>_nonoffmem_out"): Expanders added.
2570
2571 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2572
2573         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
2574         SRC->DEST replacement failed anyway.
2575
2576 2007-03-28  Mike Stump  <mrs@apple.com>
2577
2578         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
2579         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
2580         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
2581
2582 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2583
2584         * config.gcc: Accept barcelona as a variant of amdfam10.
2585         * config/i386/i386.c (override_options): Likewise.
2586         * doc/invoke.texi: Likewise.
2587
2588 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
2589
2590         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
2591         offsets for BIT_FIELD_REF and COMPONENT_REF.
2592
2593 2007-03-28  Richard Guenther  <rguenther@suse.de>
2594
2595         * tree.c (is_global_var): Move ...
2596         * tree-flow-inline.h (is_global_var): ... here.
2597         * tree.h (is_global_var): Remove declaration.
2598
2599 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
2600
2601         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
2602         option.
2603         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
2604         * config/i386/i386.c (ix86_tune_features): Initialize new
2605         tuning option.
2606         * config/i386/predicates.md (promotable_binary_operator): Use
2607         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
2608
2609 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
2610
2611         PR target/31380
2612         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
2613
2614 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
2615
2616         * config/fr30/fr30.md (movsi_internal): Change destination
2617         constraint from m to V and add m to the end.
2618
2619 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2620
2621         * config/sh/sh.md (movsi_i): Fix type attribute.
2622
2623 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2624
2625         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
2626         (movsf_ie): Likewise.
2627
2628 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2629
2630         * config.gcc: Add sh4-300 to multilib.
2631         * config/sh/t-mlib-sh4-300: New file.
2632
2633 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
2634
2635         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
2636         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
2637         fix_trunc<mode>di2.
2638         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
2639         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
2640         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
2641         "fixuns_trunctddi2"): Whitespace fix.
2642
2643 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2644
2645         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
2646         the definition of struct sh_args.
2647         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
2648         CALL_COOKIE_INT_REG_GET): Likewise.
2649
2650 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
2651
2652         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
2653         transformations are applied successfully.
2654
2655 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
2656
2657         * tree.c (tree_contains_struct): Permit 512 tree codes.
2658         * tree.h (tree_contains_struct): Ditto.
2659         (MAX_TREE_CODES): Ditto.
2660         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
2661         SPARE member to store remaining padding bits.
2662
2663 2007-03-27  Anatoly Sokolov <aesok@post.ru>
2664
2665         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
2666         architecture.
2667
2668 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
2669
2670         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
2671         * configure: Regenerate.
2672
2673         * configure: Regenerate using the correct version of autoconf.
2674
2675 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
2676
2677         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
2678         pointer regs.
2679         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
2680         regs to "__SP_L__" and "__SP_H__".
2681
2682 2007-03-27  Richard Guenther  <rguenther@suse.de>
2683
2684         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
2685         computations with it with a HOST_WIDE_INT variable.
2686
2687 2007-03-26  Mike Stump  <mrs@apple.com>
2688
2689         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
2690         objective-c-header, objective-c++-header and objc++-cpp-output
2691         support.
2692         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
2693
2694 2007-03-26  Richard Henderson  <rth@redhat.com>
2695
2696         PR target/31361
2697         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
2698         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
2699         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
2700         IX86_BUILTIN_PSRLQ128): New.
2701         (ix86_init_mmx_sse_builtins): Add them.
2702         (ix86_expand_builtin): Expand them.
2703         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
2704         operand 2 be TImode.
2705         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
2706         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
2707         _mm_srli_epi64): Mark __B const.
2708         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
2709         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
2710         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
2711         new two-vector shift builtins.
2712
2713 2007-03-26  Ian Lance Taylor  <iant@google.com>
2714
2715         PR tree-optimization/31345
2716         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
2717         [+INF, +INF(OVF)] into VARYING.
2718
2719 2007-03-26  Zack Weinberg  <zackw@panix.com>
2720
2721         * gengtype-parse.c: New file.
2722         * gengtype-yacc.y: Delete.
2723         * gengtype-lex.l: Don't include gengtype-yacc.h.
2724         Define YY_DECL and yyterminate appropriately for recursive
2725         descent parser.  yylval is now a string out-parameter to yylex.
2726         (HWS, EOID): New shorthand.
2727         (IWORD): Add a couple more types.
2728         (yylex): Add a setup stanza.  Remove the complex rules for
2729         detecting GTY'ed types and typedefs; replace with simple
2730         keyword detectors.  Adjust everything for the changed
2731         definition of yylval.  Ignore all pp-directives, not just #define.
2732         (yyerror): Delete.
2733         (parse_file): Rename yybegin; do not call yyparse.
2734         (yyend): New.
2735         * gengtype.c (xasprintf): Export again.
2736         (this_file): New.  Use everywhere __FILE__ was being used.
2737         (get_lang_bitmap): Special case types defined in gengtype.c.
2738         (do_typedef, new_structure): Suppress definition of certain types.
2739         (new_structure): Improve diagnostics of duplicate definitions.
2740         Make sure location_s is associated with input.h.
2741         (nreverse_pairs, define_location_structures): New functions.
2742         (main): Improve tagging of kludge types.  Remove old kludges
2743         for input.h types; use define_location_structures.
2744         * gengtype.h: Update prototypes.  Define token codes here.
2745         * Makefile.in: Remove all references to gengtype-yacc.
2746         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
2747         and gengtype.
2748         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
2749         add GTY((skip)) to the field that's only conditionally there.
2750         * doc/install.texi: Document that Bison is no longer required
2751         unless building treelang.
2752
2753         * gengtype.c: Don't include gtyp-gen.h.
2754         (srcdir): Declare here.
2755         (base_files, lang_dir_names): Allocate dynamically.
2756         (gt_files, num_gt_files, num_lang_dirs): New globals.
2757         (measure_input_list, read_input_line, read_input_list)
2758         (set_lang_bitmap): New functions.
2759         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
2760         simplify, relying on read_input_list to set up the bitmaps.
2761         (main): Arguments are no longer unused.  Check for correct number
2762         of command line arguments, set srcdir and srcdir_len, then call
2763         read_input_list, before doing anything else.  No need to worry
2764         about duplicates in main loop.
2765         * configure.ac: Simplify the calculation of all_gtfiles.
2766         Put language tags in there.  Don't set or substitute
2767         all_gtfiles_files_langs or all_gtfiles_files_frags.
2768         * Makefile.in: Revamp the way gengtype is invoked, now that it
2769         takes a file on its command line with a much simpler format.
2770         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
2771         (GTFILES): Remove duplicates and C source files.
2772         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
2773         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
2774         * configure: Regenerate.
2775
2776         * gengtype.h: Remove all type definitions to gengtype.c; leave
2777         only definitions of options_p, type_p, and pair_p as opaque
2778         pointers.  Update prototypes.
2779         * gengtype.c: Many type definitions moved here from gengtype.h.
2780         Consolidate type definitions at the top of the file.
2781         (xvasprintf): Delete.
2782         (xasprintf): Make static.
2783         (create_nested_pointer_option): Add 'next' parameter.
2784         (create_field_all, create_field_at): New functions.
2785         (create_field): Now a thin wrapper around create_field_all.
2786         (create_optional_field): Rename create_optional_field_ and add
2787         line argument.  Original name is now a macro which supplies
2788         __LINE__.
2789         (oprintf): Use vsnprintf directly.
2790         (close_output_files): Use fatal rather than perror/exit.
2791         (note_def_vec, note_def_vec_alloc): Use create_field_at.
2792         (main): Set progname.  Don't use exit.
2793         * gengtype-yacc.y (struct_fields): Use create_field_at.
2794         (option, optionseqopt): Delete.
2795         (optionseq): Consolidate productions from option here so we
2796         can use the first argument to create_option.
2797
2798         * gengtype-lex.l: Distinguish unions from structures in the
2799         token type.  Don't call find_structure; return the tag as a string.
2800         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
2801         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
2802         Reorganize typedef_struct production accordingly.
2803         Use create_nested_ptr_option.
2804         * gengtype.c (create_nested_ptr_option): New function.
2805         * gengtype.h: Declare it.
2806
2807         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
2808         (string_type): Don't declare.
2809         (do_scalar_typedef): Declare.
2810         (create_scalar_type): Update prototype.
2811         * gengtype.c (string_type): Make static.
2812         (scalar_nonchar, scalar_char): New.
2813         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
2814         (resolve_typedef): Use scalar_nonchar for error recovery.
2815         (create_scalar_type): Remove name_len field.  Return scalar_char
2816         or scalar_nonchar as appropriate.
2817         (adjust_field_type): Look at scalar_is_char boolean to decide whether
2818         to use string_type.
2819         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
2820         whenever possible.
2821         (main): Initialize scalar_char and scalar_nonchar before calling
2822         gen_rtx_next.
2823         * gengtype-lex.l: Adjust for removal of second argument to
2824         create_scalar_type.  Use yylval.s instead of yylval.t when
2825         returning SCALAR.
2826         * gengtype-yacc.y: Type of SCALAR is string.  Call
2827         create_scalar_type from type:SCALAR rule.  Adjust for removal of
2828         second argument to create_scalar_type.
2829
2830         * vec.h: Remove all #if IN_GENGTYPE blocks.
2831         Add comment saying that changes may require adjustments to gengtype.
2832         * gengtype.c: Don't include coretypes.h or tm.h.
2833         Add comment to inclusion of errors.h.
2834         (note_def_vec, note_def_vec_alloc): New functions.
2835         * gengtype.h: Declare new functions.
2836         * gengtype-lex.l: Don't include coretypes.h.
2837         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
2838         Delete.
2839         (update_lineno): Remove unnecessary prototype.
2840         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
2841         (VEC rule): Just return VEC_TOKEN.
2842         * gengtype-yacc.y (VEC_TOKEN): New token type.
2843         (type): Add a production for VEC(a,b).
2844         * Makefile.in: Update dependencies.
2845
2846         * gengtype-lex.l: Remove rules for parsing pointer-to-function
2847         typedefs that use the old PARAMS macro.
2848
2849         * gengtype-lex.l: Remove all rules and states relating to yacc
2850         input files.
2851         * gengtype-yacc.y: Similarly.
2852         * gengtype.c (note_yacc_type): Delete function.
2853         * gengtype.h: Update prototypes.
2854
2855 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
2856
2857         * tree-pretty-print.c (dump_generic_node): Report precision of
2858         unnamed integer types.
2859
2860 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
2861
2862         * ifcvt.c (noce_try_store_flag_constants): Don't check
2863         no_new_pseudos here.
2864         (noce_try_store_flag_constants): Don't check no_new_pseudos.
2865         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
2866         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
2867         noce_try_sign_mask): Likewise.
2868         (if_convert): Check no_new_pseudos here.
2869
2870         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
2871         Remove prototypes.
2872         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
2873         (noce_get_condition): Handle new then_else_reversed argument.
2874         (noce_init_if_info): Remove, fold into noce_find_if_block.
2875         (noce_process_if_block): Take a struct noce_if_info as the
2876         argument.  Don't set up one based on ce_if_info.  Update pointer
2877         references accordingly.
2878         (cond_move_process_if_block): Likewise.
2879         (process_if_block): Removed.
2880         (find_if_block): Removed.  Move functionality two new functions,
2881         noce_find_if_block and cond_exec_find_if_block.
2882         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
2883         blocks and the symmetric IF-ELSE-JOIN case.
2884         (cond_exec_find_if_block): Also new function mostly based on old
2885         find_if_block and process_if_block.
2886         (find_if_header): Replace find_if_block call with separately
2887         guarded calls to noce_find_if_block and cond_exec_find_if_block.
2888         (find_cond_trap): Update noce_get_condition call.
2889         (dead_or_predicable): Likewise.
2890
2891 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
2892
2893         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
2894         Remove.
2895         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
2896         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
2897         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
2898         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
2899         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
2900         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
2901         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
2902         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
2903         __builtin_ia32_psrad128 builtins.
2904
2905 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
2906
2907         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
2908         * config/i386/constraints.md
2909         (define_constraint "I"): Use IN_RANGE macro.
2910         (define_constraint "J"): Ditto.
2911         (define_constraint "K"): Ditto.
2912         (define_constraint "M"): Ditto.
2913         (define_constraint "N"): Ditto.
2914         (define_constraint "O"): Ditto.
2915         * config/i386/predicates.md
2916         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
2917         (define_predicate "const_0_to_3_operand"): Ditto.
2918         (define_predicate "const_0_to_7_operand"): Ditto.
2919         (define_predicate "const_0_to_15_operand"): Ditto.
2920         (define_predicate "const_0_to_63_operand"): Ditto.
2921         (define_predicate "const_0_to_255_operand"): Ditto.
2922         (define_predicate "const_1_to_31_operand"): Ditto.
2923         (define_predicate "const_2_to_3_operand"): Ditto.
2924         (define_predicate "const_4_to_7_operand"): Ditto.
2925
2926 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
2927
2928         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
2929         in SImode for save_world.
2930         * config/rs6000/altivec.md (save_world, restore_world): Convert to
2931         LR hard reg.
2932
2933 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
2934
2935         PR tree-optimization/30784
2936         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
2937         BIT_FIELD_REF.
2938
2939 2007-03-25  Revital Eres  <eres@il.ibm.com>
2940
2941         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
2942           Fold movement_possibility function into it.
2943
2944 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
2945
2946         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
2947         (load_macho_picbase_{si,di}): Convert to LR hard reg.
2948         (call_indirect_nonlocal_darwin64): Same.
2949         (call_nonlocal_darwin64): Same.
2950         (call_value_indirect_nonlocal_darwin64): Same.
2951         (call_value_nonlocal_darwin64): Same.
2952         (sibcall_nonlocal_darwin64): Same.
2953         (sibcall_value_nonlocal_darwin64): Same.
2954         (sibcall_symbolic_64): Same.
2955         (sibcall_value_symbolic_64): Same.
2956         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
2957         LR pseudo.
2958         (rs6000_emit_load_toc_table): Same.
2959         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
2960         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
2961         (mull_call): Same.
2962         (divss_call): Same.
2963         (divus_call): Same.
2964         (quoss_call): Same.
2965         (quous_call): Same.
2966         (load_toc_v4_pic_si): Same
2967         (load_toc_v4_PIC_1): Same.
2968         (load_toc_v4_PIC_1b): Same.
2969         (call_indirect_aix{32,64}): Same.
2970         (call_value_indirect_aix{32,64}): Same.
2971         (call): Same.
2972         (call_value): Same.
2973         (call_local{32,64}): Same.
2974         (call_value_local{32,64}): Same.
2975         (call_indirect_nonlocal_aix{32,64}): Same.
2976         (call_nonlocal_aix{32,64}): Same.
2977         (call_value_indirect_nonlocal_aix{32,64}): Same.
2978         (call_value_nonlocal_aix{32,64}): Same.
2979         (call_indirect_nonlocal_sysv<mode>): Same.
2980         (call_nonlocal_sysv<mode>): Same.
2981         (call_value_indirect_nonlocal_sysv<mode>): Same.
2982         (call_value_nonlocal_sysv<mode>): Same.
2983         (sibcall): Same.
2984         (sibcall_local{32,64}): Same.
2985         (sibcall_value_local{32,64}): Same.
2986         (sibcall_nonlocal_aix{32,64}): Same.
2987         (sibcall_value_nonlocal_aix{32,64}): Same.
2988         (sibcall_nonlocal_sysv<mode>): Same.
2989         (sibcall_value): Same.
2990         (sibcall_value_nonlocal_sysv<mode>): Same.
2991
2992 2007-03-24  Paul Brook  <paul@codesourcery.com>
2993
2994         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
2995         * config/arm/linux-eabi.h: Remove legacy syscall hack.
2996
2997 2007-03-24  Richard Henderson  <rth@redhat.com>
2998
2999         * config/ia64/constraints.md: New file.
3000         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
3001         satisfies_constraint_?.
3002         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
3003         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
3004         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
3005         ia64_output_mi_thunk): Likewise.
3006         (ia64_const_ok_for_letter_p): Remove.
3007         (ia64_const_double_ok_for_letter_p): Remove.
3008         (ia64_extra_constraint): Remove.
3009         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
3010         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
3011         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
3012         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
3013         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
3014         EXTRA_MEMORY_CONSTRAINT): Remove.
3015         * config/ia64/ia64.md: Include constriants.md.  Replace
3016         CONST_OK_FOR_? with satisfies_constraint_?.
3017
3018 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
3019             H.J. Lu  <hongjiu.lu@intel.com>
3020
3021         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
3022         DPD or BID name.
3023         (name macros): Use DPD_BID_NAME to convert names properly.
3024
3025         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
3026         decimal floating point format.
3027         (init_floating_libfuncs): Change decimal functions so that they
3028         have a "bid_" prefix if the decimal system uses the BID format,
3029         and "dpd_" prefix if the decimal system uses the DPD format.
3030         (init_interclass_conv_libfuncs): Ditto.
3031         (init_intraclass_conv_libfuncs): Ditto.
3032
3033         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3034         using the BID format.
3035
3036         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3037         whether we are using the BID decimal format.
3038         * configure: Regenerate.
3039
3040         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3041         the compiler has decimal floating point enabled.  Define
3042         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3043         instead of DPD.
3044
3045         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3046         using the BID format.
3047
3048         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3049         whether we are using the BID decimal format.
3050         * configure: Regenerate.
3051
3052         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3053         the compiler has decimal floating point enabled.  Define
3054         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3055         instead of DPD.
3056
3057         * doc/install.texi (--enable-decimal-float): Document BID and DPD
3058         options, and that it is enabled for i386/x86_64 systems.
3059
3060         * Makefile.in (enable_decimal_float): New.
3061         (DECNUMFMT): New.
3062         (DECNUMINC): Add  -I$(DECNUMFMT).
3063         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
3064         to $(DECNUMFMT) from $(DECNUM).
3065
3066         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
3067         Substitute enable_decimal_float.
3068         * configure: Regenerated.
3069
3070         PR other/30529
3071         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
3072         unsigned long.
3073
3074         * configure.ac: Enable decimal float for x86_64-*-linux*.
3075         * configure: Regenerated.
3076
3077         PR other/30530
3078         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
3079         decimal128ClearSign to flip and clear the sign bit in decimal128.
3080         (decimal_real_maxval): Set decimal128SetSign to set the sign
3081         bit in decimal128.
3082
3083 2007-03-23  Ian Lance Taylor  <iant@google.com>
3084
3085         * fold-const.c (fold_binary): Correct warning for X - c >= X.
3086
3087 2007-03-23  Ian Lance Taylor  <iant@google.com>
3088
3089         * tree-dump.c (dump_files): Correct comment.
3090
3091 2007-03-23  Ian Lance Taylor  <iant@google.com>
3092
3093         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
3094
3095 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
3096
3097         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
3098         in cfglayout mode.  Don't go into and out of cfglayout mode.
3099         Link the blocks in the order of the constructed traces.
3100         (rest_of_handle_tracer): Adjust call to tracer.
3101         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
3102         Don't go into cfglayout mode.
3103         (rtl_loop_done): Don't go out of cfglayout mode.
3104         * cfglayout.c (relink_block_chain): New function, split out from...
3105         (fixup_reorder_chain): ...here.  Remove redundant checking.
3106         (cfg_layout_finalize): Don't clear the header, footer, and aux
3107         fields here, move the code to do so to relink_block_chain.  Likewise
3108         for free_original_copy_tables.
3109         * rtl.h (tracer): Update prototype.
3110         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
3111         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
3112         mode.  Use relink_block_chain to serialize the CFG according to the
3113         new basic block order.  Move targetm.cannot_modify_jumps_p check from
3114         here...
3115         (gate_handle_reorder_blocks): ...to here.
3116         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
3117         from here...
3118         (gate_duplicate_computed_gotos): ...to here.
3119         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
3120         something always changes when going into and out of cfglayout mode.
3121         Perform an expensive cfg cleanup while going into cfglayout mode.
3122         Always update liveness information on HAVE_conditional_execution
3123         targets.  Reserialize the basic blocks and go out of cfglayout mode.
3124         * reg-stack.c: Include cfglayout.h.
3125         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
3126         the call to reorder_basic_blocks.
3127         * basic-block.h (reorder_basic_blocks): Update prototype.
3128         (relink_block_chain): New prototype.
3129         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
3130
3131 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
3132
3133         * config/mips/mips.md (type, hazard, *movdi_32bit,
3134         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
3135         *movhi_internal, *movqi_internal, *movsf_hardfloat,
3136         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
3137         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
3138         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
3139         applicable.
3140         (movcc): Change first xfer to multi.
3141         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
3142         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
3143         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
3144         config/mips/generic.md: Change reservations using "xfer" to use
3145         "mfc,mtc".
3146         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
3147         using match_operand.
3148         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
3149         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
3150         examining mode.
3151         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
3152
3153 2007-03-22  Richard Henderson  <rth@redhat.com>
3154
3155         * config/i386/i386.c: Remove unnecessary function declarations.
3156         Move targetm definition, and all related macros, to the end of
3157         the file.  Resort some functions to put definitions before uses.
3158         (ix86_attribute_table): Make static.  Move to end of file.
3159         (ix86_gimplify_va_arg): Make static.
3160
3161 2007-03-22  Richard Henderson  <rth@redhat.com>
3162
3163         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
3164         don't increase local_regparm with force_align_arg_pointer check.
3165         (ix86_function_sseregparm): Assert 32-bit.
3166         (type_has_variadic_args_p): New.
3167         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
3168         type_has_variadic_args_p.
3169         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
3170         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
3171         use memset instead.  Do maybe_vaarg check first; skip attribute
3172         tests if true; skip attribute tests for 64-bit.
3173         (construct_container): Remove TARGET_DEBUG_ARG.
3174         (function_arg_advance_32, function_arg_advance_64): Split out ...
3175         (function_arg_advance): ... from here.
3176         (function_arg_32, function_arg_64): Split out ...
3177         (function_arg): ... from here.
3178         (ix86_pass_by_reference): Tidy.
3179         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
3180         (function_value_32): New, from parts of ix86_function_value
3181         and ix86_value_regno.
3182         (function_value_64): New, from parts of ix86_function_value
3183         and ix86_libcall_value.
3184         (ix86_function_value_1): New.
3185         (ix86_function_value, ix86_libcall_value): Use it.
3186         (return_in_memory_32, return_in_memory_64): Split out ...
3187         (ix86_return_in_memory): ... from here.
3188         (ix86_struct_value_rtx): Skip for 64-bit.
3189         (ix86_libcall_value, ix86_value_regno): Remove.
3190         (setup_incoming_varargs_64): Split out ...
3191         (ix86_setup_incoming_varargs): ... from here.
3192         (ix86_va_start): Remove TARGET_DEBUG_ARG.
3193         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
3194         * config/i386/i386-protos.h (ix86_function_value): Remove.
3195         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
3196
3197 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3198
3199         PR other/23572
3200         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
3201         infinities not supported, otherwise emit warning if -Woverflow. On
3202         underflow, emit warning if -Woverflow.
3203         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
3204         and 0 otherwise.
3205         * real.h (real_from_string): Update declaration
3206
3207 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
3208             Richard Henderson  <rth@redhat.com>
3209
3210         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
3211         * calls.c (compute_argument_block_size, expand_call,
3212         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
3213         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
3214         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
3215         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
3216         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
3217         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
3218         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
3219         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
3220         Set to 1.
3221
3222 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
3223
3224         * c-incpath.c (add_sysroot_to_chain): New.
3225         (merge_include_chains): Add sysroot argument.  Call
3226         add_sysroot_to_chain if sysrooted.
3227         (register_include_chains): Update call to merge_include_chains.
3228         * doc/cppopts.texi: Document use of '=' in include directory
3229         arguments.
3230
3231 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
3232
3233         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
3234         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
3235         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
3236         insn pattern using X87MODEF12 mode macro.
3237
3238 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
3239
3240         * regmove.c (regmove_optimize): Use reg_mentioned_p
3241         instead of reg_overlap_mentioned_p for DST.
3242
3243 2007-03-21  Mike Stump  <mrs@apple.com>
3244
3245         * c.opt: Fixup for Objective-C/C++.
3246
3247 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
3248
3249         * explow.c (convert_memory_address): Fold memory reference when
3250         POINTERS_EXTEND_UNSIGNED < 0
3251
3252 2007-03-21  Richard Henderson  <rth@redhat.com>
3253
3254         PR target/31245
3255         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
3256         * config/i386/mmintrin.h (__m64): Likewise.
3257         * config/i386/xmmintrin.h (__m128): Likewise.
3258
3259 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3260
3261         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
3262         (VXWORKS_OS_CPP_BUILTINS): Define.
3263         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
3264         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
3265
3266 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3267
3268         * rtl.h (constant_pool_reference_p): Delete.
3269         (find_constant_src): Declare.
3270         * rtlanal.c (find_constant_src): New function.
3271         * simplify-rtx.c (constant_pool_reference_p): Delete.
3272         * config/i386/i386.md: Use find_constant_src instead of
3273         constant_pool_reference_p/avoid_constant_pool_reference pairs.
3274
3275 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3276
3277         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
3278         * c-cppbuiltin.c (c_cpp_builtins): Define them.
3279
3280 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
3281
3282         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
3283         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
3284         (arm_elf_asm_constructor): Use it.
3285         (arm_elf_asm_destructor): New function.
3286
3287 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3288
3289         * jump.c (mark_jump_label): Treat SEQUENCE specially.
3290
3291 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
3292
3293         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
3294
3295 2007-03-19  Andrew Haley  <aph@redhat.com>
3296
3297         PR tree-optimization/31264
3298         * tree-vrp.c (register_edge_assert_for_1): Don't look though
3299         VIEW_CONVERT_EXPRs.
3300
3301 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
3302
3303         PR rtl-optimization/30907
3304         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
3305         (fwprop_init): Always call loop_optimizer_initialize.
3306         (fwprop_done): Always call loop_optimizer_finalize.
3307         (fwprop): We always have loop info now.
3308         (gate_fwprop_addr): Remove.
3309         (pass_fwprop_addr): Use gate_fwprop as gate.
3310
3311         PR rtl-optimization/30841
3312         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
3313         df_chain_alloc): Call df_reorganize_refs unconditionally.
3314         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
3315         refs_organized to refs_organized_size.
3316         (df_ref_create_structure): Use refs_organized_size instead of
3317         bitmap_size if refs had been organized, and keep refs_organized_size
3318         up-to-date.
3319         * df.h (struct df_ref_info): Change refs_organized to
3320         refs_organized_size.
3321         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
3322         bitmap_size.
3323
3324 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
3325
3326         * except.c (output_function_exception_table): Do not reference the
3327         EH personality routine for functions that do not require an
3328         exception table.
3329
3330 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
3331
3332         PR c/30762
3333         * c-typeck.c (convert_for_assignment): Call comptypes for
3334         RECORD_TYPE or UNION_TYPE.
3335
3336         PR inline-asm/30505
3337         * reload1.c (reload): Do invalid ASM checking after
3338         cleanup_subreg_operands.
3339
3340 2007-03-19  Jeff Law  <law@redhat.com>
3341
3342         * tree-cfg.c (find_taken_edge): Tighten conditions for
3343         optimizing computed gotos.
3344
3345 2007-03-19  Michael Matz  <matz@suse.de>
3346
3347         * builtins.c (expand_builtin_sync_operation,
3348         expand_builtin_compare_and_swap,
3349         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
3350         correctly.
3351
3352         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
3353         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
3354         for operand 3.
3355
3356 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3357
3358         * doc/tm.texi: Add brackets around the return type of
3359         TARGET_SECONDARY_RELOAD.
3360
3361 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3362         Richard Guenther  <rguenther@suse.de>
3363
3364         PR tree-optimization/31254
3365         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3366         Use handled_component_p () where appropriate.  Continue
3367         propagating into the rhs if we propagated into an INDIRECT_REF
3368         on the lhs.
3369
3370 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3371
3372         * config/s390/s390.md (op_type attribute): RRR instruction type added.
3373         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
3374         (xde, xdee): Mode attributes adjusted to support DFP modes.
3375         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
3376         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
3377         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
3378         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
3379         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
3380         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3381         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
3382         numbers.
3383         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
3384         "movsf"): Insn definitions removed.
3385         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
3386         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
3387         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
3388         definitions added.
3389         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
3390         "reload_in<mode>", "reload_out<mode>"): Expander added.
3391         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
3392         Expander removed.
3393
3394 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3395
3396         * config/s390/s390.md: Only non-functional changes.  Renamed
3397         FPR mode macro to BFP all over the file.
3398
3399 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3400
3401         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
3402         (op_type attribute): RRF instruction type added.
3403         (fT0): New mode attribute.
3404         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3405         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
3406         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
3407         no secondary memory is needed when moving DFmode values between GPRs
3408         and FPRs.
3409
3410 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3411
3412         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
3413         inverted and documentation adjusted.
3414         ("mhard-dfp", "msoft-dfp"): New options.
3415         * config/s390/s390.c (s390_handle_arch_option): New architecture
3416         switch: z9-ec.
3417         (override_options): Sanity checks for the new options added.
3418         * config.gcc: New architecture switch: z9-ec.
3419         * config/s390/s390.h (processor_flags): PF_DFP added.
3420         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
3421         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
3422         when the bit is NOT set so remove it from the defaults.
3423
3424 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3425
3426         * genemit.c (main): Print include statement for dfp.h.
3427         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
3428         is not available.
3429
3430 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
3431
3432         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
3433
3434 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
3435
3436         PR target/31022
3437         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
3438         instead of PATTERN.
3439
3440 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3441
3442         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
3443         attr_length_call, output_call, output_indirect_call): Cleanup
3444         formatting of targetm calls.
3445
3446 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
3447
3448         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
3449
3450 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3451
3452         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
3453         reservation, bypass and anti-bypass descriptions for these instructions.
3454         Update move patterns.
3455         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
3456         TYPE_FPSTORE.
3457
3458 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
3459
3460         * tree-vect-transform.c (get_initial_def_for_induction): Replace
3461         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
3462         (get_initial_def_for_reduction): Likewise.
3463
3464 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
3465
3466         Fix PR tree-optimization/29922
3467         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
3468         (get_representative): Removed.
3469         (value_dies_in_block_x): Update for rvuse removal.
3470         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
3471         (compute_antic_aux): Handle when PHI nodes appear in
3472         non-single-successors.
3473         (dump_bitmap_of_names): Removed.
3474         (compute_antic_safe): Renamed and removed rvuse calculation.
3475         Calculate only antic safe.
3476         (insert_into_preds_of_block): Remove assert.
3477         (execute_pre): Update for renamed functions.
3478         (defer_or_phi_translate_block): New function.
3479
3480 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
3481
3482         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
3483         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
3484         typos.
3485         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
3486         Follow spelling conventions.
3487
3488         * tree-data-ref.h: Remove the prototype for analyze_array.
3489
3490 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
3491
3492         PR tree-optimization/31041
3493         * tree-vect-transform.c (get_initial_def_for_induction): Call
3494         force_gimple_operand.
3495
3496 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
3497
3498         * ipa-type-escape.c (look_for_casts) : Revert code to use
3499         handled_component_p due to ada test a-numaux.adb.
3500
3501 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
3502
3503         * final.c (final_scan_insn): Alter the condition of a
3504         conditional trap if we have nonstandard CC.
3505
3506 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3507
3508         * configure.ac: Remove excess quoting from asm line 0 test.
3509         * configure: Rebuilt.
3510
3511 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3512
3513         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
3514         * c-common.c (convert_and_check): Move warning logic to...
3515         (warnings_for_convert_and_check): ...here. Define.
3516         * c-common.h (warnings_for_convert_and_check): Declare.
3517
3518 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3519
3520         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
3521         (output_call): Likewise.
3522
3523 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
3524
3525         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
3526
3527 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
3528
3529         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
3530
3531 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
3532
3533         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
3534         opteron, athlon-64 and athlon-fx processor_alias_table entries.
3535
3536 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
3537
3538         PR tree-optimization/31183
3539         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
3540         Use double_int instead of unsigned int for representing access_strides.
3541         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
3542
3543 2007-03-16  Richard Guenther  <rguenther@suse.de>
3544
3545         PR tree-optimization/31146
3546         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
3547         to allow recursion of forward_propagate_addr_expr.
3548         (forward_propagate_addr_into_variable_array_index): Likewise.
3549         (forward_propagate_addr_expr): Likewise.
3550         (tree_ssa_forward_propagate_single_use_vars): Likewise.
3551         (forward_propagate_addr_expr_1): Recurse on simple copies
3552         instead of propagating into them.  Do so for useless conversions
3553         as well.
3554         (forward_propagate_addr_expr): Clean up unused statements after
3555         recursion.
3556
3557 2007-03-16  Richard Guenther  <rguenther@suse.de>
3558
3559         * builtins.c (expand_builtin_cexpi): Use the right argument
3560         for the expansion via cexp.
3561
3562 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3563
3564         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
3565         * configure: Rebuilt.
3566
3567 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3568
3569         PR debug/29906
3570         * dwarf2out.c (force_type_die): Adjust comment.
3571         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
3572
3573 2007-03-15  DJ Delorie  <dj@redhat.com>
3574
3575         * config/frv/predicates.md (minmax_operator): Don't check operands
3576         here.
3577
3578 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
3579
3580         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
3581         Update constant estimates of number of iterations.
3582         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
3583         argument renamed to "realistic".
3584         (compute_estimated_nb_iterations): Removed.
3585         (record_niter_bound): New function.
3586         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
3587         call record_nonwrapping_iv with upper = false.
3588         (infer_loop_bounds_from_signedness): Pass upper argument to
3589         record_nonwrapping_iv.
3590         (estimate_numbers_of_iterations_loop): Do not call
3591         compute_estimated_nb_iterations.  Record estimate based on profile
3592         information.  Initialize the constant estimates of number of
3593         iterations.
3594         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
3595         estimates.
3596         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
3597         number of iterations is too small.
3598         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
3599         (EST_NOT_AVAILABLE): Removed.
3600         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
3601         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
3602         fields.
3603
3604 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
3605
3606         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
3607         Handle NE_EXPR guards.
3608
3609 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3610
3611         PR c++/24924
3612         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
3613         Set also -pedantic-errors by default for the  preprocessor unless
3614         -fpermissive is given.
3615
3616 2007-03-15  Richard Guenther  <rguenther@suse.de>
3617
3618         PR middle-end/29719
3619         PR middle-end/31161
3620         * builtins.c (expand_builtin_cexpi): As a fallback if we
3621         don't have builtins for sincos or cexp create a function
3622         declaration for cexp and expand to a call to that.
3623         (expand_builtin_int_roundingfn): Always fall
3624         back to floor/ceil and its variants even if they may be
3625         not available.
3626
3627 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
3628
3629         PR middle-end/31159
3630         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
3631         jump tables, move the call to delete_dead_jumptables from here...
3632         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
3633         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
3634         don't allow merging of blocks that try_redirect_by_replacing_jump
3635         also does not handle when not optimizing.
3636
3637 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
3638             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3639
3640         * config/i386/i386.md (x86_sahf_1): Correctly handle
3641         HAVE_AS_IX86_SAHF.
3642
3643 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
3644
3645         PR target/31167
3646         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
3647         x86_64_general_operand as operand[2] predicate.  Remove "iF"
3648         from operand constraints and use "e" constraint instead.
3649         (*subti3_1, *subti3_1 splitter): Ditto.
3650         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
3651         operand[1] predicate.
3652
3653 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
3654
3655         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
3656         arrays, multiply the access strides by the size of the sub-array.
3657         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
3658
3659 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
3660
3661         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
3662         the configured assembler supports the sahf mnemonic.
3663         * configure: Regenerate.
3664         * config.in: Regenerate.
3665
3666         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
3667         emit "sahf" or ".byte\t0x9e" as asm template.
3668
3669 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
3670
3671         PR 31018
3672         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
3673         option to replace hard coded TARGET_xxx in md file.
3674         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
3675         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
3676         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
3677         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
3678         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
3679         (X86_TUNE_NOT_VECTORMODE): Ditto.
3680         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
3681         (TUNE_AVOID_VECTOR_DECODE): Ditto.
3682         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
3683         (TUNE_SLOW_IMUL_IMM8): Ditto.
3684         (TUNE_MOVE_M1_VIA_OR): Ditto.
3685         (TUNE_NOT_UNPAIRABLE): Ditto.
3686         (TUNE_NOT_VECTORMODE): Ditto.
3687
3688         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
3689         options.
3690
3691         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
3692         tuning options instead of hard coded TARGET_xxx.
3693         (fix ssemode peephole2's): Ditto.
3694         (imul peephole2's): Ditto.
3695         (movsi_or): Ditto.
3696         (movdi_or_rex64): Ditto.
3697         (move peephole2): Ditto.
3698         (not peephole2's): Ditto.
3699
3700 2007-03-14  Dirk Mueller  <dmueller@suse.de>
3701
3702         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
3703         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
3704         * c-parser.c (c_parser_if_body): Always add an empty statement in case
3705         of empty body.
3706         * c-parser.c (c_parser_do_statement): Warn about empty body in
3707         do/while statement.
3708         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
3709         * doc/invoke.texi (-Wempty-body): Update documentation.
3710
3711 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3712
3713         PR c/21438
3714         * c-common.h (warn_for_div_by_zero): Declare.
3715         * c-common.c (warn_for_div_by_zero): Define.
3716         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
3717         warning.
3718
3719 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
3720
3721         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
3722         to PREFIX and STANDARD_PREFIX.
3723
3724 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
3725             Phil Edwards  <phil@codesourcery.com>
3726
3727         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
3728         (__gthread_once_t): Remove busy field for RTPs.
3729         (__GTHREAD_ONCE_INIT): Update accordingly.
3730
3731 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
3732
3733         * doc/invoke.texi: Document VxWorks options.
3734
3735 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
3736
3737         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
3738
3739 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
3740
3741         PR tree-optimization/30590
3742         * tree-nrv.c (tree_nrv): Check for the partial update of the
3743         return value.
3744
3745 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
3746
3747         * flags.h (flag_random_seed): Remove declaration, in favor of...
3748         * toplev.h (get_random_seed, set_random_seed): ... these.
3749         * tree.c (get_file_function_name): Use the former.
3750         * opts.c (common_handle_option): Use the latter.
3751         * toplev.c
3752
3753 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
3754
3755         PR middle-end/31127
3756         * cse.c (cse_find_path): Do not bail out if a basic block that
3757         we already visited now becomes part of a path that starts at a
3758         different basic block.  Just disallow this, to make sure we
3759         visit each basic block at most once.
3760
3761 2007-03-13  Jan Hubicka  <jh@suse.cz>
3762
3763         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
3764         when profile esitmate is present, calls with very low frequency are
3765         cold.
3766
3767 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
3768
3769         PR tree-optimization/30730
3770         PR tree-optimization/26900
3771         * tree-ssa-loop-niter.c: Include gmp.h.
3772         (bounds): New type.
3773         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
3774         split_to_var_and_offset, determine_value_range,
3775         bound_difference_of_offsetted_base, refine_bounds_using_guard,
3776         bound_difference, bounds_add, bounds_negate,
3777         number_of_iterations_ne_max, dump_affine_iv): New functions.
3778         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3779         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
3780         difference of initial and final value of control iv to validate
3781         results.
3782         (number_of_iterations_cond): Add loop parameter.  Determine bounds
3783         on the difference of the extremes of the control iv.  Add dumps.
3784         (expand_simple_operations): Handle phi nodes.
3785         (simplify_using_initial_conditions): Do not record used conditions.
3786         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
3787         Do not set additional_info.
3788         (implies_nonnegative_p, implies_ge_p): Removed.
3789         (derive_constant_upper_bound): Do not use parameter `additional'.
3790         (record_estimate): Parameter `additional' removed.  Parameter
3791         `i_bound' added.  Do not call derive_constant_upper_bound.
3792         (record_nonwrapping_iv): Use derive_constant_upper_bound to
3793         bound the number of iterations estimate.
3794         (estimate_numbers_of_iterations_loop): Pass the estimate from
3795         the number of iterations analysis to record_estimate.
3796         * tree.h (multiple_of_p): Declare.
3797         * tree-scalar-evolution.c (expression_expensive_p): Removed.
3798         (scev_const_prop): Do not check expression_expensive_p.
3799         * fold-const.c (multiple_of_p): Exported.
3800         * double-int.c (double_int_mask): Exported.
3801         * double-int.h (double_int_mask): Declare.
3802         * tree-flow.h (struct tree_niter_desc): Removed additional_info
3803         field.  Added max field.
3804
3805 2007-03-13  David Taylor  <taylor@candd.org>
3806
3807         PR driver/12448:
3808         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
3809         default -MQ.
3810
3811 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3812
3813         PR target/31123
3814         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
3815         two unamed patterns.
3816
3817 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
3818
3819         * config/i386/i386.opt (mcx16, msahf): New options.
3820         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
3821         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
3822
3823         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
3824         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
3825         Output -mcx16 and -msahf options when corresponding bit is set.
3826
3827         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
3828         and -msahf options.
3829
3830 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
3831
3832         * configure.ac: Test for assembler tolerance to # 0 "".
3833         * configure, config.in: Rebuilt.
3834         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
3835
3836 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
3837
3838         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
3839
3840         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
3841         (handle_syscall): Handle direct system calls.
3842         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
3843
3844 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
3845
3846         * doc/invoke.texi: Fix cpp.info cross-reference.
3847         * doc/passes.texi: Fix gcc.info cross-reference.
3848
3849 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
3850
3851         PR tree-optimization/30835
3852         * lambda-code.c (can_convert_to_perfect_nest): Check whether
3853         bb_for_stmt is not NULL before accessing it.
3854
3855 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
3856
3857         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
3858         some multilibs.
3859
3860 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
3861
3862         PR 30635
3863         * doc/install.texi: Document --enable-stage1-languages
3864
3865 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
3866
3867         * tree-pass.h (pass_into_cfg_layout_mode,
3868         pass_outof_cfg_layout_mode): Declare.
3869         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
3870         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
3871         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
3872         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
3873
3874 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
3875
3876         * c-decl.c (warn_variable_length_array): New function.
3877         Refactored from grokdeclarator to handle warn_vla
3878         and handle unnamed array case.
3879         (grokdeclarator): Refactored VLA warning case.
3880         * c.opt (Wvla): New flag.
3881         * doc/invoke.texi (Wvla): New warning.
3882
3883 2007-03-12  Richard Henderson  <rth@redhat.com>
3884
3885         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
3886         (TARGET_SECTION_TYPE_FLAGS): New.
3887
3888 2007-03-12  Richard Henderson  <rth@redhat.com>
3889
3890         * config/darwin.c (machopic_reloc_rw_mask): New.
3891         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
3892         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
3893
3894 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
3895
3896         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
3897         * cppdefault.h (cpp_PREFIX): Document.
3898         (cpp_PREFIX_len): Likewise.
3899         (cpp_EXEC_PREFIX): New variable.
3900         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
3901         * c-incpath.c (add_standard_paths): Correct logic for relocating
3902         paths within prefix.
3903
3904 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
3905
3906         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
3907         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
3908         mode macro.
3909         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
3910         fix_truncdfdi_sse using SSEMODEF mode macro.
3911         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
3912         fix_truncdfsi_sse using SSEMODEF mode macro.
3913         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
3914         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
3915
3916 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
3917
3918         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
3919         elfos.h to tm_file.
3920
3921 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
3922
3923         * tree.h : Add multiple_of_p declaration.
3924         * fold-const.c (multiple_of_p): Make multiple_of_p public.
3925         * ipa-type-escape.c (results_of_malloc): Redundant.
3926         (visited_stmts): New. Visited stmt for walk_use_def_chains.
3927         (cast_type): Extended with new members.
3928         (check_cast): Returns cast_type.
3929         (cast): New structure for data of walk_use_def_chains.
3930         (is_malloc_result, is_cast_from_non_pointer_1,
3931         is_cast_from_non_pointer,
3932         is_array_access_through_pointer_and_index): New functions.
3933         (look_for_casts): Returns cast types.
3934         (check_call): Returns void.
3935         (okay_pointer_operation): Use support of pointer plus index,
3936         pointer plus constant and allow all multiplications.
3937
3938 2007-03-11  Richard Guenther  <rguenther@suse.de>
3939
3940         PR tree-optimization/31115
3941         * tree-vrp.c (extract_range_from_binary_expr): Make sure
3942         the shift count is positive and non-anti-range for RSHIFT_EXPR.
3943         A shift count of zero is not special as with *_DIV_EXPR.
3944         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
3945         direction.
3946
3947 2007-03-11  Ian Lance Taylor  <iant@google.com>
3948
3949         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
3950         the *_DIV_EXPR codes correctly with overflow infinities.
3951
3952 2007-03-11  Ira Rosen  <irar@il.ibm.com>
3953
3954         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
3955         indicate success/failure of the analysis. Add negation to subtrahend
3956         in case of subtraction. Fail if both operands contain constants.
3957         (create_data_ref): Fail if analyze_offset fails.
3958
3959 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
3960
3961         * config/i386/i386.md (frndintxf2): Rename to ...
3962         (rintxf2): ... this. Remove expander having same name.
3963         (rintsf2, rintdf2): Implement using SSEMODEF macro.
3964         (roundsf2, rounddf2): Ditto.
3965         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
3966         (lround<mode>di2, lround<mode>si2): Ditto.
3967
3968 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
3969
3970         * lower-subreg.c: Include except.h.
3971         (decompose_multiword_subregs): Verify that the only control flow
3972         insns we can split are loads to multi-words pseudos.
3973         Handle breaking such blocks after splitting, instead of calling
3974         find_many_sub_basic_blocks.
3975
3976         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
3977         on the new basic block.  Add a lengthy comment explaining why we
3978         thought this was necessary.
3979         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
3980
3981 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
3982
3983         PR c++/30924
3984         * tree.c (walk_type_fields): Recurse into the element type of
3985         ARRAY_TYPEs if there is a pointer set.
3986
3987 2007-03-10  Dirk Mueller  <dmueller@suse.de>
3988
3989         * c-common.c (warn_logical_operator): Fix condition.
3990
3991 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
3992
3993         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
3994         quotation mark.
3995         * config/darwin.c (machopic_select_section): Remove superfluous
3996         argument in call to categorize_decl_for_section.  Remove unused
3997         variable shlib.
3998
3999 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
4000
4001         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
4002         defined.
4003         * configure: Regenerate.
4004
4005 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
4006
4007         PR target/31101
4008         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
4009         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
4010         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
4011         Add LABEL_NUSES to emitted label.
4012         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
4013         branch probability value to emitted jump insn.
4014         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
4015         Do not check life information and do not re-arrange input operands
4016         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
4017
4018 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4019
4020         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
4021         the change of decode_asm_operands.
4022
4023 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4024
4025         * mode-switching.c (create_pre_exit): Skip blockage insn.
4026
4027 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
4028
4029         * tree-pass.h (TODO_update_smt_usage): Remove.
4030         Update all users.
4031         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
4032         argument SOME.
4033         Update all users.
4034
4035 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4036
4037         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
4038         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
4039         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
4040         SOM target.
4041
4042 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
4043
4044         * gcc.c: Document %{, in big comment at top.
4045         (input_suffix_matches): Remove special handling for .s and
4046         .S.
4047         (input_spec_matches): New.
4048         (handle_braces): Handle %{,.
4049         (validate_switches): ',' indicates a value which is not a switch.
4050         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
4051         to detect assembler input.
4052         * config/i386/sol2.h (CPP_SPEC): Likewise.
4053         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
4054         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
4055         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
4056         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
4057         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
4058         -m64 causes deployment target to default to 10.5.
4059         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
4060
4061 2007-03-09  Richard Henderson  <rth@redhat.com>
4062
4063         PR target/26090
4064         * target.h (targetm.asm.out.reloc_rw_mask): New.
4065         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
4066         (TARGET_ASM_OUT): Use it.
4067         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
4068         * varasm.c (categorize_decl_for_section): Remove shlib argument;
4069         use the new reloc_rw_mask target hook instead.
4070         (default_section_type_flags_1): Merge into...
4071         (default_section_type_flags): ... here.
4072         (decl_readonly_section_1): Merge into...
4073         (decl_readonly_section): ... here.
4074         (default_elf_select_section_1): Merge into...
4075         (default_elf_select_section): ... here.
4076         (default_unique_section_1): Merge into...
4077         (default_unique_section): ... here.
4078         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
4079         (default_select_rtx_section): Use it.
4080         (default_elf_select_rtx_section): Likewise.
4081         * output.h: Update to match.
4082         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
4083         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
4084         (TARGET_ASM_RELOC_RW_MASK): New.
4085         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
4086         to categorize_decl_for_section.
4087         (x86_64_elf_unique_section): Likewise.
4088         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
4089         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
4090         (TARGET_ASM_RELOC_RW_MASK): New.
4091         * config/ia64/ia64.c (ia64_rwreloc_select_section,
4092         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
4093         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
4094         (TARGET_RWRELOC): Remove.
4095         (ia64_section_type_flags): Adjust call to default_section_type_flags.
4096         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4097         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
4098         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
4099         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
4100         (rs6000_xcoff_select_section): Use decl_readonly_section.
4101         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
4102         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4103         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
4104         (TARGET_SECTION_TYPE_FLAGS): Remove.
4105         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
4106
4107 2007-03-09  Roger Sayle  <roger@eyesopen.com>
4108
4109         * fold-const.c (fold_comparison): Remove compile-time evaluation of
4110         complex constant equality/inequality comparisons for here.
4111         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
4112         known at compile-time or can be simplified to a scalar comparison.
4113         (fold_relational_const): Move compile-time evaluation of complex
4114         constant equality/inequality comparisons to here.
4115
4116 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4117
4118         PR rtl-optimization/30643
4119         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
4120         dest_addr_elt.
4121         (fold_rtx): Recurse, like before 2006-11-03.
4122
4123 2007-03-09  DJ Delorie  <dj@redhat.com>
4124
4125         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
4126         m32c-pragma.o.
4127
4128 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
4129
4130         PR tree-optimization/30375
4131         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
4132         LHS of statements is not the same.
4133         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
4134
4135 2007-03-09  Chao-ying Fu  <fu@mips.com>
4136
4137         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
4138         REV 2.
4139         * doc/invoke.texi (-mdspr2): Document new option.
4140         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
4141         New unspec for DSP REV 2.
4142         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
4143         these instructions are extended in DSP REV 2.
4144         (mips-dspr2.md): Include.
4145         * config/mips/mips.opt (mdspr2): New option.
4146         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
4147         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
4148         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
4149         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
4150         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
4151         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
4152         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
4153         and 2 builtins.
4154         (bdesc_map): Add one field of unsupported_target_flags.
4155         (bdesc_arrays):  Update entries to have extra fields.  Add
4156         dsp_32only_bdesc.
4157         (mips_init_builtins): Initialize new function types.
4158         Check unsupported_target_fileds to filter out builtins.
4159         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
4160         TARGET_DSPR2.
4161         (ASM_SPEC): Pass mdspr2 to the assembler.
4162         * config/mips/mips-dspr2.md: New file.
4163
4164 2007-03-09  Sa Liu  <saliu@de.ibm.com>
4165
4166         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
4167
4168 2007-03-09  Ian Lance Taylor  <iant@google.com>
4169
4170         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
4171         argument) like -Wstrict-overflow=2.
4172         * doc/invoke.texi (Warning Options): Update documentation.
4173
4174 2007-03-09  Dirk Mueller  <dmueller@suse.de>
4175
4176         PR c++/17946
4177         * doc/invoke.texi (-Wlogical-op): Document.
4178         * common.opt (-Wlogical-op): New.
4179         * c-common.h (warn_logical_operator): Declare.
4180         * c-common.c (warn_logical_operator): Define.
4181         * c-typeck.c (parser_build_binary_op): Call
4182         warn_logical_operator.
4183
4184 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4185
4186         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
4187         * final.c (final_scan_insn): Test for non-"" file name.
4188
4189 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
4190
4191         * doc/loop.texi: Document the Omega linear constraints solver.
4192         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
4193         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
4194         omega-hash-table-size, omega-max-keys, and
4195         omega-eliminate-redundant-constraints.
4196         * tree-pass.h (pass_check_data_deps): Declared.
4197         * omega.c: New.
4198         * omega.h: New.
4199         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
4200         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
4201         pass_check_data_deps): New.
4202         * tree-data-ref.c (init_data_ref): Remove declaration.
4203         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
4204         (analyze_array): Renamed init_array_ref, move up initializations.
4205         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
4206         Removed arguments that are set to NULL.
4207         (analyze_indirect_ref): Correct indentation, correct call to
4208         init_pointer_ref.
4209         (object_analysis): Call init_array_ref instead of analyze_array.
4210         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
4211         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
4212         of DR_ACCESS_FNS_ADDR.
4213         (init_omega_eq_with_af, omega_extract_distance_vectors,
4214         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
4215         ddr_consistent_p): New.
4216         (compute_affine_dependence): Check consistency of ddrs when
4217         flag_check_data_deps is passed.
4218         (analyze_all_data_dependences): Uncomment.
4219         (tree_check_data_deps): New.
4220         * tree-data-ref.h: Include omega.h.
4221         (DR_ACCESS_FNS_ADDR): Removed.
4222         (data_dependence_relation): Add inner_loop.
4223         (DDR_INNER_LOOP): New.
4224         * common.opt (fcheck-data-deps): New.
4225         * tree-flow.h (tree_check_data_deps): Declare.
4226         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
4227         (OBJS-common): Depend on omega.o.
4228         (omega.o): Define.
4229         * passes.c (pass_check_data_deps): Scheduled.
4230         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
4231         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
4232         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
4233         PARAM_VECT_MAX_VERSION_CHECKS,
4234         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
4235
4236 2007-03-09  Richard Guenther  <rguenther@suse.de>
4237
4238         PR tree-optimization/30904
4239         PR middle-end/31058
4240         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
4241         the same way as *_DIV_EXPR.
4242
4243 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4244
4245         * recog.c (decode_asm_operands): No mixed declarations and code.
4246
4247 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4248
4249         * rtl.def (ASM_INPUT): Add location.
4250         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
4251         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
4252         (decode_asm_operands): Add loc operand.
4253         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
4254         * stmt.c (expand_asm): Rename to...
4255         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
4256         gen_rtx_ASM_INPUT_loc.
4257         (expand_asm_expr): Adjust.
4258         * recog.c (decode_asm_operands): Add loc operand.
4259         (check_asm_operands, extract_insn): Adjust.
4260         * reload1.c (maybe_fix_stack_asms): Likewise.
4261         * final.c (asm_insn_count): Likewise.
4262         (final_scan_insn): Output # line before and after asm.
4263
4264 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
4265
4266         * tree-ssa-structalias.c (variable_info): Remove
4267         finished_solution.
4268         (new_var_info): Ditto.
4269         (shared_bitmap_info_t): New structure.
4270         (shared_bitmap_table): New variable.
4271         (shared_bitmap_hash): New function.
4272         (shared_bitmap_eq): Ditto
4273         (shared_bitmap_lookup): Ditto.
4274         (shared_bitmap_add): Ditto.
4275         (merge_smts_into): Change to take bitmap directly.
4276         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
4277         (init_alias_vars): Init shared bitmap hashtable.
4278         (delete_points_to_sets): Delete shared bitmap hashtable.
4279         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
4280         is_aliased removal as a change that was still necessary was
4281         deleted.
4282
4283 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
4284
4285         * config/i386/i386.h (override_options): Conditionally disable
4286         x86_sahf for 64bit targets only.
4287
4288 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4289
4290         PR C/31072
4291         * c-decl.c (merge_decls): Don't call make_var_volatile.
4292         * varasm.c (make_var_volatile): Remove.
4293         * output.h (make_var_volatile): Remove.
4294
4295 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
4296
4297         PR tree-optimization/31085
4298         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
4299
4300 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4301
4302         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
4303         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
4304         ATTR_CONST_NOTHROW_LIST.
4305
4306         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4307         FIX_TRUNC_EXPR.
4308
4309 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
4310
4311         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
4312
4313 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
4314
4315         PR 31013
4316         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
4317         is declared.
4318         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
4319         passed, use shared libgcc.
4320
4321 2007-03-08  Roger Sayle  <roger@eyesopen.com>
4322
4323         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
4324         instead of calling build2 with a GIMPLE_MODIFY_STMT.
4325         (honor_protect_cleanup_actions, lower_try_finally_switch):
4326         Likewise.
4327         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
4328         ifc_temp_var): Likewise.
4329         * tree-inline.c (setup_one_parameter): Likewise.
4330         * tree-mudflap.c (mf_decl_cache_locals,
4331         mf_build_check_statement_for): Likewise.
4332         * tree-nested.c (init_tmp_var, save_tmp_var,
4333         finalize_nesting_tree_1): Likewise.
4334         * tree-outof-ssa.c (insert_copy_on_edge,
4335         insert_backedge_copies): Likewise.
4336         * tree-profile.c (tree_gen_edge_profiler,
4337         tree_gen_ic_profiler): Likewise.
4338         * tree-scalar-evolution.c (scev_const_prop): Likewise.
4339         * tree-sra.c (sra_build_assignment): Likewise.
4340         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
4341         * tree-ssa-math-opts.c (insert_reciprocals,
4342         execute_cse_sincos_1): Likewise.
4343         * tree-tailcall.c (adjust_accumulator_values,
4344         adjust_return_value): Likewise.
4345         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
4346         * tree-vect-transform.c (vect_create_data_ref_ptr,
4347         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
4348         vect_create_epilog_for_reduction, vectorizable_reduction,
4349         vectorizable_call, vectorizable_conversion,
4350         vectorizable_assignment, vectorizable_operation,
4351         vectorizable_type_demotion, vect_gen_widened_results_half,
4352         vect_permute_store_chain, vectorizable_store,
4353         vect_setup_realignment, vect_permute_load_chain,
4354         vectorizable_load, vectorizable_condition,
4355         vect_create_cond_for_align_checks): Likewise.
4356         * tree-vrp.c (build_assert_expr_for): Likewise.
4357
4358 2007-03-08  Ian Lance Taylor  <iant@google.com>
4359
4360         * tree-vrp.c: Include "intl.h".
4361         (usable_range_p): New static function.
4362         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
4363         overflowed values, juts set *strict_overflow_p.
4364         (compare_values): Only return -2 if one of the operands is not a
4365         constant.
4366         (compare_ranges): Call usable_range_p.
4367         (compare_range_with_value): Likewise.
4368         (vrp_evaluate_conditional_warnv): Rename from
4369         vrp_evaluate_conditional.  Make static.  Change all callers.
4370         (vrp_evaluate_conditional): New function.
4371         (simplify_div_or_mod_using_ranges): Issue warning about reliance
4372         on signed overflow.
4373         (simplify_abs_using_ranges): Likewise.
4374         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
4375         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
4376         within_stmt parameter.
4377         * tree-ssa-propagate.c (fold_predicate_in): Update call to
4378         vrp_evaluate_conditional.
4379         * tree-ssa-threadedge.c
4380         (record_temporary_equivalences_from_stmts_at_dest): Change
4381         simplify parameter to take a second tree parameter.
4382         (simplify_control_stmt_condition): Likewise.
4383         (thread_across_edge): Likewise.
4384         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
4385         (thread_across_edge): Likewise.
4386         * Makefile.in (tree-vrp.o): Depend upon intl.h.
4387
4388 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
4389
4390         * config/i386/i386.h (TARGET_SAHF): New define.
4391         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
4392         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
4393         (x86_sahf): New global variable.
4394         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
4395         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
4396         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
4397         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
4398         for 64-bit.
4399         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
4400         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
4401         when expanding fcomi/sahf based tests.
4402         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
4403         expanding sahf based alternative. Emit sahf based sequence when
4404         optimizing for code size.
4405         * config/i386/i386.md (x86_sahf_1): Do not disable for
4406         TARGET_64BIT, enable for TARGET_SAHF.
4407
4408 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
4409
4410         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
4411         spurious whitespace from error message.
4412
4413 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
4414
4415         PR c++/30852
4416         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
4417
4418 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
4419
4420         * c-decl.c (grokdeclarator): Disable warnings for anonymous
4421         bitfields.
4422         * tree-sra.c (instantiate_element): Propagate disabled warnings
4423         from the element itself to the created variable.
4424
4425 2007-03-07  Richard Henderson  <rth@redhat.com>
4426
4427         PR target/30848
4428         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
4429         silently fix up the stack in the case of a missing register.
4430
4431 2007-03-07  Paul Brook  <paul@codesourcery.com>
4432
4433         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
4434
4435 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
4436
4437         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
4438         New.
4439         (phase1_vrs): Use them.
4440         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
4441         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
4442         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
4443         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
4444         __gnu_Unwind_Restore_WMMXC if required.
4445         (_Unwind_VRS_Pop): Implement iWMMXt support.
4446         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
4447         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
4448         gnu_Unwind_Save_WMMXC): Define.
4449
4450 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
4451
4452         * config/vxworks.h (vxworks_override_options): Declare.
4453         (VXWORKS_OVERRIDE_OPTIONS): Use it.
4454         * config/vxworks.c: Include target.h and toplev.h.
4455         (vxworks_override_options): New function.
4456         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
4457
4458 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
4459
4460         * config/s390/s390.c (override_options): Don't emit an error when
4461         -mstack-size is used without providing -mstack-guard.
4462         (s390_emit_prologue): Choose stack_guard value automatically if not
4463         provided via command line.
4464         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
4465
4466 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
4467
4468         * config/i386/i386.c (output_set_got): Add a GOT initialization
4469         sequence for VxWorks PIC.
4470         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
4471         around labels as well as symbols.  Use gotoff_operand instead
4472         of local_symbolic_operand.
4473         (legitimize_pic_address): Use gotoff_operand instead of
4474         local_symbolic_operand.  Use @GOT accesses for labels as
4475         well as symbols.
4476         (ix86_output_addr_diff_elt): Use PC-relative rather than
4477         GP-relative offsets for VxWorks PIC.
4478         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
4479         no_new_pseudos.  Check whether the returned register is op0.
4480         * config/i386/i386.md (tablejump): Use PC-relative rather than
4481         GP-relative offsets for VxWorks PIC.
4482         * config/i386/predicates.md (gotoff_operand): New predicate.
4483
4484 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4485
4486         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
4487         before defining.
4488         * config/vxworks-dummy.h: New file.
4489         * config/i386/i386.h: Include it.
4490
4491 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
4492
4493         * dwarf2out.c (is_inlined_entry_point): New
4494         (add_high_low_attributes): Emit DW_AT_entry_pc along with
4495         DW_AT_ranges if the first subblock is the entry point.
4496
4497 2007-03-06  David Daney  <ddaney@avtrex.com>
4498
4499         * doc/install.texi (mips-*-*): Change recommended binutils
4500         version.
4501
4502 2007-03-06  Anatoly Sokolov <aesok@post.ru>
4503
4504         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
4505         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
4506         devices.
4507         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4508         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4509
4510 2007-03-06  Jan Hubicka  <jh@suse.cz>
4511
4512         * errors.h (warning, error, fatal, internal_error): Mark as cold.
4513         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
4514         are hot.
4515         (probably_cold_bb_p): Cold functions are cold.
4516         (probably_never_executed_bb_p): Cold functions are cold.
4517         (tree_bb_level_predictions): Predict calls to cold functions as not
4518         taken.
4519         (compute_function_frequency): Check hot/cold attributes.
4520         * function.h (function_frequency): Update comments.
4521         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
4522         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
4523         (c_common_att): Add cold and hot.
4524
4525         * doc/extend.texi (hot,cold attributes): Document.
4526
4527 2007-03-06  Andrew Haley  <aph@redhat.com>
4528
4529         * function.c (expand_function_end): Move blockage to just after we
4530         emit the label for the naked return from the function.
4531
4532 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4533
4534         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
4535         before redefining.
4536
4537 2007-03-06  Jan Hubicka  <jh@suse.cz>
4538
4539         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
4540         loaded for constant large models.  Non-large 64bit PIC can do.
4541         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
4542         * cmodel.h: Add LARGE PIC.
4543         * i386.md (UNSPEC_PLTOFF): New.
4544         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
4545         needed.
4546         (*call_1_rex64): Disable for large models.
4547         (*call_1_rex64_large): New.
4548         (*call_value_1_rex64): Disable for large models.
4549         (*call_value_1_rex64_large): New.
4550         (set_rip_rex4): New.
4551         (set_got_offset_rex64): New.
4552         * predicates.md (constant_call_address_operand): For large model
4553         constant calls are not possible.
4554         * i386-protos.h (construct_plt_address): Declare.
4555         * i386.c (override_options): Accept large models.
4556         (ix86_expand_prologue): Expand large PIC GOT pointer load.
4557         (legitimate_constant_p): Add new UNSPECs.
4558         (legitimate_pic_operand_p): Likewise.
4559         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
4560         (legitimize_pic_address): Do easy RIP relative way for TLS only for
4561         non-large model.
4562         (output_pic_addr_const): Add PLTOFF.
4563         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
4564         (ix86_expand_move): Legitimize pic address when in PIC mode.
4565         (construct_plt_address): New function.
4566         (ix86_expand_call): Offload the address to register and use GOT pointer
4567         for large model.
4568         * invoke.texi (mcmodel=large): Update documentation.
4569
4570 2007-03-06  Richard Henderson  <rth@redhat.com>
4571
4572         * config/i386/i386.c (x86_use_leave, x86_push_memory,
4573         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
4574         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
4575         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
4576         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
4577         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
4578         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
4579         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
4580         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
4581         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4582         x86_partial_reg_dependency, x86_memory_mismatch_stall,
4583         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
4584         x86_sse_partial_reg_dependency, x86_sse_split_regs,
4585         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
4586         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
4587         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
4588         x86_schedule, x86_use_bt, x86_pad_returns,
4589         x86_use_xchgb): Merge into ...
4590         (ix86_tune_features): ... here.  New array.
4591         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
4592         x86_bswap): Merge into ...
4593         (ix86_arch_features): ... here.  New array.
4594         (x86_3dnow_a): Remove.
4595         (x86_accumulate_outgoing_args): Make static.
4596         (x86_arch_always_fancy_math_387): Make static.
4597         (ix86_tune_mask, ix86_arch_mask): Move ...
4598         (override_options): ... to local variables here.  Apply the
4599         appropriate mask to each element of ix86_arch_features and
4600         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
4601         as were done in the old macros.
4602         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
4603         * config/i386/i386.h (x86_use_leave, x86_push_memory,
4604         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
4605         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
4606         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
4607         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
4608         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
4609         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
4610         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
4611         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
4612         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
4613         x86_partial_reg_dependency, x86_memory_mismatch_stall,
4614         x86_accumulate_outgoing_args, x86_prologue_using_move,
4615         x86_epilogue_using_move, x86_decompose_lea,
4616         x86_arch_always_fancy_math_387, x86_shift1,
4617         x86_sse_partial_reg_dependency, x86_sse_split_regs,
4618         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
4619         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
4620         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
4621         x86_use_incdec, x86_pad_returns, x86_bswap,
4622         x86_partial_flag_reg_stall): Remove.
4623         (enum ix86_tune_indices): New.
4624         (ix86_tune_features): New.
4625         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
4626         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
4627         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
4628         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
4629         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
4630         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
4631         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
4632         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
4633         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
4634         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
4635         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
4636         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
4637         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
4638         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
4639         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
4640         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
4641         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
4642         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
4643         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
4644         TARGET_EXT_80387_CONSTANTS): Use it.
4645         (enum ix86_arch_indices): New.
4646         (ix86_arch_features): New.
4647         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
4648         TARGET_BSWAP): Use it.
4649         (ix86_tune_mask, ix86_arch_mask): Remove.
4650
4651 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
4652
4653         PR bootstrap/31020
4654         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
4655         Define using $${sysroot_headers_suffix}.
4656         * configure: Regenerate.
4657         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
4658         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
4659         defined.
4660         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
4661         * gcc.c (print_sysroot_headers_suffix): New.
4662         (option_map): Include --print-sysroot-headers-suffix.
4663         (display_help): Mention -print-sysroot-headers-suffix.
4664         (process_command): Handle -print-sysroot-headers-suffix.
4665         (do_spec_1): Append multilib directory to include-fixed path if
4666         sysroot suffixes in use.
4667         (main): Handle -print-sysroot-headers-suffix.
4668         * Makefile.in (start.encap): Don't depend on xlimits.h
4669         (xlimits.h): Remove.
4670         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
4671         limits.h for each multilib in fixinc_list.
4672         (fixinc_list, s-fixinc_list): New.
4673         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
4674         generate them for each multilib in fixinc_list.
4675         (stmp-fixproto): Use include-fixed.  Run fixproto for each
4676         multilib in fixinc_list.
4677         (mostlyclean): Don't remove xlimits.h.
4678         (clean): Remove include-fixed.
4679         (real-install-headers-tar, real-install-headers-cpio,
4680         real-install-headers-cp): Don't copy include, only include-fixed.
4681         (install-mkheaders): Depend on fixinc_list.  Don't depend on
4682         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
4683         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
4684         SYSTEM_HEADER_DIR setting in mkheaders.conf.
4685
4686 2007-03-06  Jan Hubicka  <jh@suse.cz>
4687
4688         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
4689         NANs easilly.
4690
4691 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4692
4693         * configure.ac: Allow tm_file to contain build-directory files.
4694         * configure: Regenerate.
4695         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
4696         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
4697         * config/m68k/print-sysroot-suffix.sh: New file.
4698
4699 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4700
4701         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
4702         of pic_offset_table_rtx if reload_completed.
4703         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
4704         PIC_OFFSET_TABLE_REGNUM.
4705         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
4706         return true.
4707         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
4708         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
4709
4710 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4711
4712         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
4713         functions that call eh_return.
4714
4715 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4716
4717         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
4718         functions that need a constant pool.
4719
4720 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4721
4722         PR target/28181
4723         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
4724         (m68k_preferred_reload_class): Likewise.
4725         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
4726         (SECONDARY_RELOAD_CLASS): Define.
4727         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
4728         (LIMIT_RELOAD_CLASS): Delete.
4729         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
4730         registers from storing bytes.
4731         (m68k_secondary_reload_class): New function.
4732         (m68k_preferred_reload_class): Likewise.
4733
4734 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4735
4736         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
4737         leaf functions.
4738         (m68k_expand_prologue): Likewise.
4739
4740 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4741
4742         * config/m68k/m68k-protos.h (output_sibcall): Declare.
4743         (mips_expand_epilogue): Add a bool parameter.
4744         (m68k_legitimize_sibcall_address): Declare.
4745         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
4746         (m68k_expand_epilogue): Add a parameter to select between sibling
4747         and normal epilogues.  Only generate a return for the latter.
4748         (m68k_ok_for_sibcall_p): New function.
4749         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
4750         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
4751         (sibcall_value, *sibcall_value): Likewise.
4752         (*call, *call_value): Require !SIBLING_CALL_P.
4753         (epilogue): Update call to m68k_expand_epilogue.
4754         (sibcall_epilogue): New pattern.
4755         * config/m68k/predicates.md (const_call_operand): Say that this
4756         predicate applies to sibling calls too.
4757         (sibcall_operand): New predicate.
4758
4759 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4760
4761         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
4762         alternatives as movsi_cf.
4763         (movsf_cf_hard): Add commentary.
4764
4765 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
4766             Richard Sandiford  <richard@codesourcery.com>
4767
4768         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
4769         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
4770         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
4771         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
4772         as being live on exit from an interrupt function.
4773         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
4774         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
4775         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
4776         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
4777         (m68k_interrupt_function_p): Globalize.
4778         (m68k_compute_frame_layout): Remove reverse mask code.
4779         (m68k_emit_movem, m68k_set_frame_related): New functions.
4780         (m68k_output_function_prologue): Delete in favor of...
4781         (m68k_expand_prologue): ...this new function.
4782         (m68k_output_function_epilogue): Delete in favor of...
4783         (m68k_expand_epilogue): ...this new function.
4784         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
4785         functions.
4786         (print_operand): Handle %?.
4787         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
4788         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
4789         (prologue, epilogue): New patterns.
4790         (return): Turn into a define_expand.
4791         (*return): New pattern, derived from old "return" pattern.  Use rte
4792         rather than rts for interrupt functions.  Only use rtd if the pop
4793         count is nonzero.
4794         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
4795         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
4796         (link, *link, unlink, *unlink, load_got): Likewise.
4797
4798 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4799
4800         PR target/23482
4801         PR target/17114
4802         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
4803         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
4804         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
4805         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
4806         and m68k_matches_u_p.
4807         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
4808         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
4809         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
4810         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
4811         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
4812         (REG_STRICT_P): New macro.
4813         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
4814         PCREL_GENERAL_OPERAND_OK.
4815         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
4816         m68k_legitimate_base_reg_p.
4817         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
4818         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
4819         (PIC_CASE_VECTOR_ADDRESS): Update comment.
4820         * config/m68k/m68k.c (m68k_address): New structure.
4821         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
4822         (m68k_decompose_index, m68k_legitimate_constant_address_p)
4823         (m68k_jump_table_ref_p, m68k_decompose_address)
4824         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
4825         (m68k_matches_u_p): New functions.
4826         (print_operand_address): Rewrite to use m68k_decompose_index.
4827
4828 2007-03-05  David Taylor  <dtaylor@emc.com>
4829
4830         * gcc.c: Correct copyright date in --version output.
4831
4832 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4833
4834         * pa.md: In unamed move patterns, disparge copies between general
4835         and floating point registers using '?' modifier.  Don't include 'f'
4836         constraint for register preferences in DImode, SImode, HImode and
4837         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
4838         Remove constraints for copies between general and floating registers
4839         in soft-float DFmode pattern.
4840         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
4841         floating register.
4842         (movsf): Likewise.
4843
4844 2007-03-05  Mike Stump  <mrs@apple.com>
4845
4846         * c-common.c (targetcm): Add.
4847         * c-opts.c (c_common_handle_option): Handle language specific
4848         target options.
4849         * opts.c (handle_option): Verify language for target options, if
4850         any are given.
4851         * opth-gen.awk: Add CL_LANG_ALL.
4852         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
4853         (TARGETCM_INITIALIZER): Add.
4854         * target.h (struct gcc_targetcm): Add.
4855         (targetcm): Add.
4856         * targhooks.c (default_handle_c_option): Add.
4857         * targhooks.h (default_handle_c_option): Add.
4858         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
4859
4860         * config/darwin.opt (iframework): Add.
4861         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
4862         * config/darwin-c.c (handle_c_option): Add.
4863         (TARGET_HANDLE_C_OPTION): Add.
4864         (targetcm): Add.
4865         * doc/invoke.texi (Darwin Options): Add -iframework.
4866
4867 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4868
4869         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
4870         conversion.
4871
4872 2007-03-05  Ian Lance Taylor  <iant@google.com>
4873
4874         * c.opt (fgnu89-inline): New option.
4875         * c-opts.c (c_common_post_options): Set default value for
4876         flag_gnu89_inline.
4877         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
4878         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
4879         inline functions.
4880         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
4881         (grokdeclarator, start_function): Likewise.
4882         * c-cppbuiltin.c (c_cpp_builtins): Define either
4883         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
4884         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
4885         (C Dialect Options): Document -fgnu89-inline.
4886         * doc/extend.texi (Function Attributes): Explain what the
4887         gnu_inline attribute does.
4888         * doc/cpp.texi (Common Predefined Macros): Document
4889         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
4890
4891 2007-03-05  Ian Lance Taylor  <iant@google.com>
4892
4893         PR tree-optimization/31034
4894         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
4895         half-range if the other side is an overflow infinity.
4896
4897 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4898
4899         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
4900         (bfin*-linux-uclibc*): New configuration.
4901         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
4902         defining.
4903         * config/bfin/linux.h: New file.
4904         * config/bfin/libgcc-bfin.ver: New file.
4905         * config/bfin/t-bfin-uclinux: New file.
4906         * config/bfin/t-bfin-linux: New file.
4907         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
4908         (TARGET_OS_CPP_BUILTINS): New macro.
4909
4910 2007-03-05  Richard Guenther  <rguenther@suse.de>
4911
4912         * fold-const.c (fold_binary): Remove duplicate folding
4913         of comparison of non-null ADDR_EXPR against null.
4914
4915 2007-03-05  Richard Guenther  <rguenther@suse.de>
4916             Dorit Nuzman  <dorit@il.ibm.com>
4917
4918         PR tree-optimization/26420
4919         * tree-vectorizer.c (vectorize_loops): Bail out early if there
4920         are no loops in the function.  Only print the number of
4921         vectorized loops if it is greater than zero or we are supposed
4922         to print information about unvectorized loops.
4923
4924 2007-03-05  Revital Eres  <eres@il.ibm.com>
4925
4926         * gcc.dg/var-expand1.c: New test.
4927         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
4928         when an accumulator is expanded.
4929
4930 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4931
4932         PR other/30465
4933         * c-common.c (convert_and_check): Don't give warnings for
4934         conversion if 'expr' already overflowed.
4935
4936 2007-03-04  Roger Sayle  <roger@eyesopen.com>
4937
4938         PR middle-end/30744
4939         * fold-const.c (fold_comparison): Enforce type consistency when
4940         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
4941
4942 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
4943
4944         * tree-ssa-address.c (create_mem_ref): Do not put an expression
4945         containing a cast to the base of TARGET_MEM_REF.
4946
4947 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
4948
4949         * tree.c (tree_contains_struct_check_failed): Remove spurious
4950         whitespace from error message.
4951
4952 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
4953
4954         PR target/30406
4955         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
4956         instead of precision.
4957
4958 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
4959             Nathan Sidwell  <nathan@codesourcery.com>
4960
4961         * emit-rtl.c (find_auto_inc): New.
4962         (try_split): recreate REG_INC notes,
4963         Use regular for loops rather than whiles.
4964
4965 2007-03-03  Andreas Schwab  <schwab@suse.de>
4966
4967         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
4968         * configure: Regenerate.
4969
4970 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4971
4972         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
4973         flag_rounding_math, not flag_unsafe_math_optimizations.
4974
4975         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
4976         fold_build2.
4977         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
4978         alpha_fold_vector_minmax): Likewise.
4979         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
4980         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
4981
4982 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
4983
4984         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
4985         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
4986         if the lhs has side-effects.
4987         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
4988
4989 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
4990
4991         * config/i386/i386.h (TUNEMASK): Remove define.
4992         (ARCHMASK): Remove define.
4993         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
4994          Use ix86_arch_mask variable instead of ARCHMASK.
4995         * config/i386/i386.c (override_options): Ditto.
4996         (standard_80387_constant_p): Ditto.
4997
4998 2007-03-02  Ian Lance Taylor  <iant@google.com>
4999
5000         Used signed infinities in VRP.
5001         * tree-vrp.c (uses_overflow_infinity): New static function.
5002         (supports_overflow_infinity): New static function.
5003         (make_overflow_infinity): New static function.
5004         (negative_overflow_infinity): New static function.
5005         (positive_overflow_infinity): New static function.
5006         (is_negative_overflow_infinity): New static function.
5007         (is_positive_overflow_infinity): New static function.
5008         (is_overflow_infinity): New static function.
5009         (overflow_infinity_range_p): New static function.
5010         (compare_values_warnv): New function split out of compare_values.
5011         (compare_value): Call it.
5012         (set_value_range_to_nonnegative): Add overflow_infinity
5013         parameter.  Change caller.
5014         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
5015         Change callers.
5016         (vrp_expr_computes_nonzero): Likewise.
5017         (compare_ranges, compare_range_with_value): Likewise.
5018         (compare_name_with_value, compare_names): Likewise.
5019         (vrp_evaluate_conditional): Likewise.
5020         (set_value_range): Handle infinity
5021         (vrp_operand_equal_p, operand_less_p): Likewise.
5022         (extract_range_from_assert): Likewise.
5023         (vrp_int_const_binop): Likewise.
5024         (extract_range_from_binary_expr): Likewise.
5025         (extract_range_from_unary_expr): Likewise.
5026         (extract_range_from_comparison): Likewise.
5027         (extract_range_from_expr): Likewise.
5028         (dump_value_range): Likewise.
5029         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
5030         (test_for_singularity): Likewise.
5031         (vrp_int_const_binop): Remove inline qualifier.
5032         (adjust_range_with_scev): Add comment.
5033         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5034
5035 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
5036
5037         * tree-ssa-structalias.c (could_have_pointers): Tidy.
5038         (get_constraint_for): Likewise.
5039         (do_structure_copy): Likewise.
5040         (find_func_aliases): Fix references to MODIFY_EXPR.
5041         (intra_create_variable_infos): Tidy.
5042         * tree-ssa-operands.c (add_virtual_operand): Add argument
5043         IS_CALL_SITE.
5044         When adding members of alias sets, if IS_CALL_SITE is true and
5045         the symbol is not call-clobbered, skip it.
5046         Adjust all callers.
5047
5048 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5049
5050         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
5051         entry by means of emit_insn_at_entry.
5052
5053 2007-03-02  Richard Henderson  <rth@redhat.com>
5054
5055         * expr.h (promoted_input_arg): Remove decl.
5056         * function.c (promoted_input_arg): Merge into ...
5057         * combine.c (setup_incoming_promotions): ... only caller.
5058         Rearrange to avoid double loop.
5059
5060 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5061             Peter Bergner  <bergner@vnet.ibm.com>
5062             Janis Johnson  <janis187@us.ibm.com>
5063
5064         * config/rs6000/dfp.md: New file.
5065         * config/rs6000/rs6000.md: Include dfp.md.
5066         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
5067         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
5068         and TDmode decimal float modes in FP registers.
5069         (num_insns_constant): Likewise.
5070         (rs6000_legitimate_offset_address_p): Likewise.
5071         (rs6000_legitimize_address): Likewise.
5072         (rs6000_legitimize_reload_address): Likewise.
5073         (rs6000_legitimate_address): Likewise.
5074         (rs6000_emit_move): Likewise.
5075         (function_arg_boundary): Likewise.
5076         (function_arg_advance): Likewise.
5077         (rs6000_darwin64_record_arg_recurse): Likewise.
5078         (function_arg): Likewise.
5079         (rs6000_gimplify_va_arg): Likewise.
5080         (rs6000_split_multireg_move): Likewise.
5081         (rs6000_output_function_epilogue): Likewise.
5082         (rs6000_output_function_epilogue): Likewise.
5083         (rs6000_register_move_cost): Likewise.
5084         (rs6000_function_value): Likewise.
5085         (rs6000_libcall_value): Likewise.
5086
5087 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5088
5089         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
5090
5091 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5092
5093         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
5094         Use $MULTIDIR to choose between the kernel and RTP headers,
5095         and use $WIND_BASE and $WIND_USR to locate them.
5096
5097 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5098
5099         * config/i386/i386.c (override_options): Put initialization of
5100         ix86_tune_mask and ix86_arch_mask to the correct place.
5101
5102 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5103             Michael Meissner  <michael.meissner@amd.com>
5104
5105         PR target/31019
5106         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
5107         (ARCHMASK): Define.
5108         (TARGET_CMOVE): Use ARCHMASK.
5109         (TARGET_CMPXCHG): Ditto.
5110         (TARGET_CMPXCHG8B): Ditto.
5111         (TARGET_XADD): Ditto.
5112         (TARGET_BSWAP): Ditto.
5113         * config/i386/i386.c (ix86_tune_mask): New global variable.
5114         (ix86_arch_mask): Ditto.
5115         (override_options): Initialize ix86_tune_mask and
5116         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
5117         target_flags.
5118
5119 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5120
5121         PR 30992
5122         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
5123
5124 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
5125
5126         * target.h (init_dwarf_reg_sizes_extra): New target hook.
5127         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
5128         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
5129         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
5130         hook.
5131         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
5132         rs6000_init_dwarf_reg_sizes_extra): New.
5133         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
5134         SPE register high parts.
5135
5136 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
5137
5138         * Makefile.in: Add install-pdf target as
5139         copied from automake v1.10 rules.
5140         * configure.ac: Add install-pdf to target list.
5141         * configure: Regenerate.
5142
5143 2007-03-01  Paul Brook  <paul@codesourcery.com>
5144
5145         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
5146         modes to LDRD for DImode.
5147         (output_move_double): Fixup out of range ldrd/strd.
5148         (vfp_secondary_reload_class): Rename...
5149         (coproc_secondary_reload_class): ... to this.  Add wb argument.
5150         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
5151         coproc_secondary_reload_class for CLASS_IWMMXT.
5152         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
5153         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
5154
5155 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
5156
5157         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
5158         factor by the estimated number of iterations.
5159         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
5160         prefetch latency.
5161
5162         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
5163         decode_caches_intel, detect_caches_intel): New functions.
5164         (host_detect_local_cpu): Use detect_caches_amd and
5165         detect_caches_intel.
5166
5167 2007-03-01  Richard Henderson  <rth@redhat.com>
5168
5169         * expr.c (emit_move_complex_push): Export.
5170         (emit_move_complex_parts): Split out from ...
5171         (emit_move_complex): ... here.
5172         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
5173         * config/i386/i386.md (movcdi): New.
5174
5175 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
5176
5177         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
5178         size of mode1 to check for tieable modes in MMX case.
5179
5180 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
5181
5182         * Makefile.in (rtlanal.o): Depend on tree.h.
5183         * rtl.h (offset_within_section_p, split_const): Declare.
5184         * rtlanal.c: Include tree.h.
5185         (offset_within_block_p): New function, taken from
5186         mips_offset_within_object_p.
5187         (split_const): New function, taken from mips_split_const.
5188         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
5189         Declare.
5190         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
5191         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
5192         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
5193         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
5194         (m68k_illegitimate_symbolic_constant_p): New function.
5195         * config/m68k/m68k.md (movsi): Remove misleading predicates.
5196         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
5197         symbolic constant that might be outside the symbol's section,
5198         move the symbol first and then add the offset.
5199         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
5200         Override.
5201         * config/mips/mips.c (mips_split_const): Delete.
5202         (mips_offset_within_object_p): Delete.
5203         (mips_symbolic_constant_p): Use offset_within_section_p and
5204         split_const instead of mips_offset_within_object_p and
5205         mips_split_const.
5206         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
5207         (mips_legitimize_const_move, print_operand_reloc)
5208         (mips_dangerous_for_la25_p): Use split_const instead of
5209         mips_split_const.
5210
5211 2007-02-28  Eric Christopher  <echristo@apple.com>
5212
5213         * Makefile.in (install-include-dir): Don't rm -rf include.
5214
5215 2007-02-28  Richard Guenther  <rguenther@suse.de>
5216
5217         PR middle-end/30364
5218         * fold-const.c (fold_binary): Do not associate expressions
5219         with more than one variable for integer types that do not wrap.
5220
5221 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
5222
5223         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
5224         Delete, and replace with...
5225         (fold_builtin_call_array): This.  Update callers to use it.
5226         * fold-const.c (fold_build_call_list): Delete, and replace with...
5227         (fold_build_call_array): This.
5228         (fold_build_call_list_initializer): Delete, and replace with...
5229         (fold_build_call_array_initializer): This.
5230         * tree.h: Update declarations to reflect above changes.
5231
5232         * c-typeck.c (build_function_call): Store converted arguments
5233         in a stack-allocated array instead of building a list.
5234         (convert_arguments): Store arguments in the array passed in as an
5235         argument, and return the actual number of arguments.
5236         * c-format.c: (check_function_format): Pass arguments in an
5237         array instead of a list.
5238         * c-common.c (check_function_nonnull): Likewise.
5239         (check_function_sentinel): Likewise.
5240         (check_function_arguments): Likewise.
5241         * c-common.h: Update declarations to reflect above changes.
5242
5243 2007-02-28  Jan Hubicka  <jh@suse.cz>
5244
5245         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
5246         PRED_NEGATIVE_RETURN): Update outcomes.
5247
5248 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
5249
5250         * calls.c (emit_library_call_value_1): Handle partial registers
5251         correctly when building up CALL_INSN_FUNCTION_USAGE.
5252
5253 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5254
5255         * pa/predicates.md (move_src_operand): Allow zero for mode.
5256         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
5257         move pattern.
5258
5259 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
5260
5261         PR target/30970
5262         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
5263         *movv2df_internal): Enable pattern only for valid operand
5264         combinations.
5265         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
5266         tie only 128bit modes. For MMX registers, tie only 64bit modes.
5267
5268 2007-02-27  Mike Stump  <mrs@apple.com>
5269
5270         * config/darwin-crt3.c: Avoid compilation when compiling for a
5271         kext multilib.
5272
5273 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
5274
5275         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
5276         FIXED_INCLUDE_DIR.
5277         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
5278         for fixed headers and limits.h.
5279         (install-include-dir, install-headers-tar, install-headers-cpio,
5280         install-headers-cp, real-install-headers-tar,
5281         real-install-headers-cpio, real-install-headers-cp): Handle
5282         include-fixed as well as include.
5283         (install-mkheaders): Don't install files that go only in include
5284         not include-fixed.
5285         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
5286         from GCC_INCLUDE_DIR.
5287         * gcc.c (process_command): Remove special -BstageN/ handling.
5288         (do_spec_1): Add include-fixed directories.
5289
5290 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5291
5292         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
5293         _smulsi3_highpart.
5294         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
5295         New functions.
5296         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
5297         patterns.
5298
5299 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
5300
5301         * c-common.c (get_priority): Add check for
5302         SUPPORTS_INIT_PRIORITY.
5303
5304 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5305
5306         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
5307
5308         * config/bfin/bfin.c: Include "cfglayout.h".
5309         (MAX_LSETUP_DISTANCE): New macro.
5310         (struct loop_info): New members incoming, incoming_src and
5311         incoming_dest.  Delete member predecessor.
5312         (length_for_loop): New function.
5313         (bfin_optimize_loop): Handle more different loop structures.
5314         (bfin_discover_loop): Rework detection of predecessor blocks by
5315         examining incoming edges.
5316         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
5317         bfin_reorg_loops.
5318         (bfin_reorder_loops): New function.
5319         (bfin_reorg_loops): Use these three new functions.
5320
5321         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
5322         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
5323         (CONSTRAINT_LEN): Add entry for 'q'.
5324         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
5325         Add 'q' constraints.
5326         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
5327         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
5328
5329         * config/bfin/bfin.md (add_with_carry): New pattern.
5330         (s_or_u, su_optab, su_modifier): New code macros/attrs.
5331         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
5332         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
5333         support unsigned multiplies too.  Removed incorrect commutativity from
5334         operand 1 constraint where appropriate.
5335         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
5336         patterns.
5337         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
5338         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
5339         New patterns.
5340         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
5341         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
5342         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
5343         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
5344         usmulhisi_hh_huh): New patterns.
5345
5346         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
5347         lshifthi3): Fix output template to use half reg for operand 2.
5348
5349         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
5350         instead of R2.
5351
5352         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
5353
5354 2007-02-27  Andreas Schwab  <schwab@suse.de>
5355
5356         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
5357
5358 2007-02-27  Jan Hubicka  <jh@suse.cz>
5359
5360         * predict.c (last_basic_block_p): Remove.
5361         (tree_estimate_probability): Update return heuristic for commonized
5362         return blocks.
5363
5364 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5365
5366         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
5367
5368 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5369
5370         * doc/include/gcc-common.texi (versionsubtitle): New macro.
5371         * doc/cpp.texi: Standardize title page.
5372         * doc/cppinternals.texi: Likewise.
5373         * doc/gcc.texi: Standardize title page, remove version number
5374         from copyright page.
5375         * doc/gccint.texi: Likewise.
5376         * doc/install.texi: Standardize title page, add table of
5377         contents.
5378
5379 2007-02-26  Jan Hubicka  <jh@suse.cz>
5380
5381         * predict.def: Set outcomes according to more recent results.
5382         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
5383         Remove dead predictors.
5384         * predict.c (return_prediction): Fix pasto.
5385
5386 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5387
5388         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
5389         change; avoid a memory leak when returning early.
5390
5391 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
5392
5393         * c-decl.c (static_ctors): Move to c-common.c.
5394         (static_dtors): Likewise.
5395         (finish_function): Use c_record_cdtor_fn.
5396         (build_cdtor): Move to c-common.c.
5397         (c_write_global_declarations): Use c_build_cdtor_fns.
5398         * c-common.h (static_ctors): Declare.
5399         (static_dtors): Likewise.
5400         (c_record_cdtor_fn): Likewise.
5401         (c_build_cdtor_fns): Likewise.
5402         * c-common.c (static_ctors): New variable.
5403         (static_dtors): Likewise.
5404         (c_record_cdtor_fn): New function.
5405         (build_cdtor): Move from c-decl.c
5406         (c_build_cdtor_fns): New function.
5407
5408         * output.h (assemble_addr_to_section): Declare.
5409         (get_cdtor_priority_section): Likewise.
5410         * varasm.c (assemble_addr_to_section): New function.
5411         (get_cdtor_priority_section): Likewise.
5412         (default_named_section_asm_out_destructor): Use them.
5413         (destor_dtor_section_asm_out_destructor): Likewise.
5414         (default_named_section_asm_out_constructor): Likewise.
5415         (default_ctor_section_asm_out_constructor): Likewise.
5416         * config.gcc (*-*-vxworks*): Include vxworks.o.
5417         * config/t-vxworks (vxworks.o): New target.
5418         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
5419         (TARGET_ASM_CONSTRUCTOR): Define.
5420         (TARGET_ASM_DESTRUCTOR): Likewise.
5421         (vxworks_asm_out_constructor): Declare.
5422         (vxworks_asm_out_destructor): Likewise.
5423
5424         * c-common.c (get_priority): Check that we have not just an
5425         INTEGER_CST, but an integer constant with integeral type.
5426
5427 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
5428
5429         PR tree-optimization/30938
5430         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
5431         use &dt[nargs-1] instead of &dt[nargs] in the call to
5432         vect_is_simple_use().
5433
5434 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
5435
5436         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
5437         from register elimination as PRE_MODIFY / POST_MODIFY increments.
5438         Do not attempt to handle MEM inside auto-inc expressions.
5439         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
5440         of a register modified by an auto-inc expression.  However, do handle
5441         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
5442         (elimination_effects): Prohibit elimination of a register modified
5443         by an auto-inc expression.  Disable register elimination rules whose
5444         target register is modified by an auto-inc expression with variable
5445         increment.
5446
5447 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
5448
5449         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
5450         off-by-one error.
5451         (array_at_struct_end_p): New function.
5452         (idx_infer_loop_bounds): Use it.
5453         (estimate_numbers_of_iterations_loop): Export.
5454         * predict.c (predict_loops): Use estimated_loop_iterations_int.
5455         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
5456         (tree_estimate_probability): Call record_loop_exits.
5457         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
5458         (estimated_loop_iterations, estimated_loop_iterations_int,
5459         estimated_loop_iterations_tree): New functions.
5460         (analyze_siv_subscript_cst_affine,
5461         compute_overlap_steps_for_affine_1_2,
5462         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
5463         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
5464         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
5465         (PRED_LOOP_ITERATIONS_GUESSED): New.
5466         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
5467         * cfgloop.h (estimate_numbers_of_iterations_loop,
5468         estimated_loop_iterations_int): Declare.
5469
5470 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
5471
5472         * doc/extend.texi: Document optional priority argument to
5473         constructors and destructors.
5474         * tree.c (init_priority_for_decl): Adjust GTY markers.
5475         (init_ttree): Use priority-info hash functions for
5476         init_priority_for_decl.
5477         (tree_map_eq): Rename to ...
5478         (tree_map_base_eq): ... this.
5479         (tree_map_marked_p): Rename to ...
5480         (tree_map_base_marked_p): ... this.
5481         (tree_map_base_hash): New function.
5482         (decl_init_priority_lookup): Rework.
5483         (decl_fini_priority_lookup): New function.
5484         (decl_priority_info): New function.
5485         (decl_init_priority_insert): Use it.
5486         (decl_fini_priority_insert): Likewise.
5487         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
5488         hierarchy.
5489         (decl_restrict_base_insert): Likewise.
5490         (decl_debug_expr_insert): Likewise.
5491         (decl_value_expr_lookup): Likewise.
5492         (decl_value_expr_insert): Likewise.
5493         * tree.h (priority_type): New type.
5494         (decl_init_priority_lookup): Use priority_type.
5495         (decl_fini_priority_lookup): New function.
5496         (decl_init_priority_insert): Use priority_type.
5497         (decl_fini_priority_insert): New function.
5498         (DECL_HAS_INIT_PRIORITY): Tweak comments.
5499         (DECL_INIT_PRIORITY): Likewise.
5500         (SET_DECL_INIT_PRIORITY): Add comment.
5501         (DECL_FINI_PRIORITY): New macro.
5502         (SET_DECL_FINI_PRIORITY): Likewise.
5503         (DEFAULT_INIT_PRIORITY): Document.
5504         (MAX_INIT_PRIORITY): Likewise.
5505         (MAX_RESERVED_INIT_PRIORITY): Likewise.
5506         (tree_map_base): New type.
5507         (tree_map_base_eq): New function.
5508         (tree_map_base_hash): Likewise.
5509         (tree_map_base_marked_p): Likewise.
5510         (tree_map): Inherit from tree_map_base.
5511         (tree_map_eq): Make it a macro.
5512         (tree_map_marked_p): Likewise.
5513         (tree_int_map): Inherit from tree_map_base.
5514         (tree_int_map_eq): Make it a macro.
5515         (tree_int_map_hash): Likewise.
5516         (tree_int_map_marked_p): Likewise.
5517         (tree_priority_map): New type.
5518         (tree_priority_map_eq): New macro.
5519         (tree_priority_map_hash): Likewise.
5520         (tree_priority_map_marked_p): Likewise.
5521         * varasm.c (emults_decl): Adjust for refactoring of tree_map
5522         hierarchy.
5523         (emutls_common_1): Likewise.
5524         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
5525         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
5526         of tree_map hierarchy.
5527         * tree-cfg.c (move_stmt_r): Likewise.
5528         (new_label_mapper): Likewise.
5529         * c-tree.h (c_expand_body): Move to ...
5530         * c-common.h (c_expand_body): ... here.
5531         * c-decl.c (c_expand_body): Move to ...
5532         * c-common.c (c_expand_body): ... here.
5533         (c_common_attribute_table): Allow 1 argument for the constructor
5534         and destructor attributes.
5535         (get_priority): New function.
5536         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
5537         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
5538
5539 2007-02-24  Jan Hubicka  <jh@suse.cz>
5540
5541         PR middle-end/30509
5542         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
5543
5544 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
5545             Jan Hubicka  <jh@suse.cz>
5546
5547         PR target/30778
5548         * i386.c (counter_mode): New function.
5549         (expand_set_or_movmem_via_loop): Use it.
5550         (expand_movmem_epilogue): Likewise; fix pasto.
5551         (ix86_expand_movmem): Do emit guard even for constant counts.
5552         (ix86_expand_setmem): Likewise.
5553
5554 2007-02-25  Nick Clifton  <nickc@redhat.com>
5555
5556         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
5557         (JUMP_TABLES_IN_TEXT_SECTION): Define.
5558
5559 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
5560
5561         PR target/30770
5562         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
5563         count argument with 0x10, not with 0x16.
5564         (expand_setmem_epilogue): Ditto.
5565
5566 2007-02-24  Mike Stump  <mrs@apple.com>
5567
5568         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
5569         symbols.
5570
5571 2007-02-24  Richard Guenther  <rguenther@suse.de>
5572
5573         PR middle-end/30951
5574         * fold-const.c (fold_binary): Fold x +- CST op x for
5575         EQ_EXPR and NE_EXPR.
5576
5577 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5578
5579         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
5580
5581 2007-02-24  Jan Hubicka  <jh@suse.cz>
5582
5583         * cgraphunit.c (decide_is_function_needed): Honor
5584         -fkeep-inline-functions.
5585
5586 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5587
5588         * builtins.c (fold_builtin_modf): New.
5589         (fold_builtin_2): Use it.
5590
5591 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
5592
5593         * loop-iv.c (implies_p): Detect additional cases where A implies B.
5594         (determine_max_iter): Take additional LOOP arg; all callers changed.
5595         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
5596         one using simplifications.
5597         (simplify_using_initial_values): Return if the expression becomes
5598         invalid due to altered regs.
5599
5600 2007-02-23  DJ Delorie  <dj@redhat.com>
5601
5602         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
5603
5604 2007-02-23  Mike Stump  <mrs@apple.com>
5605
5606         * tlink.c (scan_linker_output): Parse linker messages from
5607         darwin9's linker better.
5608
5609 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
5610
5611         PR debug/29614
5612         * varpool.c (varpool_assemble_pending_decls):  Set
5613         varpool_last_needed_node to null.
5614
5615 2007-02-23  DJ Delorie  <dj@redhat.com>
5616
5617         * config/i386/i386.c (ix86_data_alignment): Don't specify an
5618         alignment bigger than the object file can handle.
5619
5620 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
5621
5622         PR target/30825
5623         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
5624         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
5625         (*movsf_1): Penalize MMX moves.
5626
5627 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
5628
5629         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
5630         2^32-1 or more times unless flag_unsafe_loop_optimizations.
5631
5632         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
5633
5634 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5635
5636         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
5637         (fold_builtin_1): Use them.
5638         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
5639         BUILT_IN_SIGNIFICAND.
5640
5641 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
5642
5643         * config/i386/i386.c (bdesc_1arg): Initialize
5644         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
5645         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
5646         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
5647         and IX86_BUILTIN_MOVSLDUP.
5648
5649 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
5650
5651         PR rtl-optimization/30841
5652         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
5653
5654 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5655
5656         * builtins.c (fold_builtin_frexp): New.
5657         (fold_builtin_2): Use it.
5658
5659 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
5660
5661         * doc/invoke.texi (Spec Files): Document getenv spec function.
5662
5663         * gcc.c (getenv_spec_function): New function.
5664         (static_spec_functions): Add it.
5665         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
5666         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
5667         header files.
5668
5669 2007-02-22  Michael Matz  <matz@suse.de
5670
5671         PR c++/29433
5672         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
5673         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
5674
5675 2007-02-22  Ian Lance Taylor  <iant@google.com>
5676
5677         PR debug/30898
5678         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
5679         (mem_loc_descriptor): Call it.
5680
5681 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
5682             Ira Rosen  <irar@il.ibm.com>
5683
5684         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
5685
5686 2007-02-22  Ira Rosen  <irar@il.ibm.com>
5687
5688         PR tree-optimization/30843
5689         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
5690         stores only after all the group is vectorized.
5691
5692 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
5693
5694         PR tree-optimization/30858
5695         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
5696         in the reduction cycle have a single use in the loop.
5697         * tree-vectorizer.h (relevant): Add documentation.
5698
5699 2007-02-20  Mike Stump  <mrs@apple.com>
5700
5701         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
5702         * configure: Regenerate.
5703
5704 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
5705
5706         Change the defaults of some parameters and options.
5707         * config/spu/spu-protos.h (spu_optimization_options): Declare.
5708         * config/spu/spu.c (spu_optimization_options): Add.
5709         (spu_override_options): Change params in spu_optimization_options.
5710         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
5711
5712         Register 127 is only 16 byte aligned when used as a frame pointer.
5713         * config/spu/spu-protos.h (spu_init_expanders): Declare.
5714         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
5715         HARD_FRAME_POINTER_REGNUM.
5716         (spu_legitimate_address):  Use regno_aligned_for_reload.
5717         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
5718         aligned when frame_pointer_needed is true.
5719         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
5720         to 8 bits.
5721         * config/spu/spu.h (INIT_EXPANDERS): Define.
5722
5723         Make sure shift and rotate instructions have valid immediate operands.
5724         * config/spu/predicates.md (spu_shift_operand): Remove.
5725         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
5726         * config/spu/constraints.md (W, O): Extend range.
5727         * config/spu/spu.md (umask, nmask): Define.
5728         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
5729         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
5730         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
5731         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
5732         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
5733         (lshr<mode>3_reg):  Fix rtl description.
5734
5735         Make sure mulhisi immediate operands are valid.
5736         * config/spu/predicates.md (imm_K_operand): Add.
5737         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
5738
5739         Generate constants using fsmbi and andi.
5740         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
5741         (print_operand, spu_split_immediate, classify_immediate,
5742         fsmbi_const_p): Handle IC_FSMBI2.
5743
5744         Correctly handle a CONST_VECTOR containing symbols.
5745         * config/spu/spu.c (print_operand): Handle HIGH correctly.
5746         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
5747         (immediate_load_p): Allow symbols that use 2 instructions to create.
5748         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
5749         with symbols when flag_pic is set.
5750         (const_vector_immediate_p): New.
5751         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
5752         accept a CONST_VECTOR with symbols.
5753         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
5754         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
5755         correctly.
5756         * config/spu/spu.md (high, low): Delete.
5757         (low_<mode>): Define.
5758
5759         Remove INTRmode and INTR_REGNUM, which didn't work.
5760         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
5761         of INTR_REGNUM.
5762         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
5763         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
5764         peephole2 pattern): Don't use INTR or 131.
5765         (movintrcc): Delete.
5766         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
5767         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
5768         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
5769         (UNSPEC_SET_INTR): Add.
5770         * config/spu/spu-modes.def (INTR): Remove.
5771
5772         More accurate warnings about run-time relocations.
5773         * config/spu/spu.c (reloc_diagnostic): Test in_section.
5774
5775         Correctly warn about immediate arguments to specific intrinsics.
5776         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
5777         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
5778         the instruction predicate.
5779
5780         Fix tree check errors with latest update.
5781         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
5782         CALL_EXPR_ARG.
5783         (spu_expand_builtin): Use CALL_EXPR_FN.
5784
5785         Add missing specific intrinsics.
5786         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
5787         si_bislede.
5788         * config/spu/spu_internals.h: Ditto.
5789
5790         Fix incorrect operand modifiers.
5791         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
5792         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
5793
5794         Optimize one case of zero_extend of a vec_select.
5795         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
5796
5797         Accept any immediate for hbr.
5798         * config/spu/spu.md (hbr):  Change s constraints to i.
5799
5800 2007-02-21  Paul Brook  <paul@codesourcery.com>
5801
5802         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
5803         condexec_count when skipping USE and CLOBBER.
5804
5805 2007-02-21  Nick Clifton  <nickc@redhat.com>
5806
5807         * common.opt (Warray-bounds): Add Warning attribute.
5808         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
5809         Likewise.
5810         (fsized-zeroes): Add Optimization attribute.
5811         (fsplit-wide-types, ftree-scev-cprop): Likewise.
5812         * c.opt (Wc++0x-compat): Add Warning attribute.
5813
5814 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
5815
5816         PR middle-end/30761
5817         * reload1.c (eliminate_regs_in_insn): In the single_set special
5818         case, attempt to re-recognize the insn before falling back to
5819         having reload fix it up.
5820
5821 2007-02-20  Eric Christopher  <echristo@gmail.com>
5822
5823         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
5824         Rewrite accordingly.
5825         (frv_read_iacc_argument): Ditto.
5826         (frv_expand_set_builtin): Take a call instead of arglist, update for
5827         above changes.
5828         (frv_expand_unop_builtin): Ditto.
5829         (frv_expand_binop_builtin): Ditto.
5830         (frv_expand_cut_builtin): Ditto.
5831         (frv_expand_binopimm_builtin): Ditto.
5832         (frv_expand_voidbinop_builtin): Ditto.
5833         (frv_expand_int_void2arg): Ditto.
5834         (frv_expand_prefetches): Ditto.
5835         (frv_expand_voidtriop_builtin): Ditto.
5836         (frv_expand_voidaccop_builtin): Ditto.
5837         (frv_expand_load_builtin): Ditto.
5838         (frv_expand_store_builtin): Ditto.
5839         (frv_expand_mdpackh_builtin): Ditto.
5840         (frv_expand_mclracc_builtin): Ditto.
5841         (frv_expand_mrdacc_builtin): Ditto.
5842         (frv_expand_mwtacc_builtin): Ditto.
5843         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
5844         calls for above.
5845
5846 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
5847
5848         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
5849         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
5850         cmpb instruction.
5851         (HAVE_GAS_DFP): Check for assembler support of decimal floating
5852         point instructions.
5853         * configure: Regenerate.
5854         * config.in: Regenerate.
5855         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
5856         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
5857         masks to power6 and power6x and to POWERPC_MASKS.
5858         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5859         _ARCH_PWR6.
5860         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
5861         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
5862         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
5863         Access PROTOTYPE as variable, not mask.
5864
5865 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
5866
5867         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
5868         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
5869         * combine.c (adjust_for_new_dest): Use it.
5870         * postreload.c (reload_combine): Likewise.
5871
5872 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
5873
5874         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
5875         notes on an insn with multiple sets, even if single_set returns
5876         non-NULL for that insn.
5877
5878 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5879
5880         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
5881         scalbn and scalbln.
5882
5883 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
5884
5885         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
5886         if user didn't pass it.
5887         * config/i386/darwin.h (CC1_SPEC): Likewise.
5888         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
5889         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
5890         -mmacosx-version-min.
5891
5892 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5893             Uros Bizjak  <ubizjak@gmail.com>
5894
5895         * optabs.h (enum optab_index): Add new OTI_scalb.
5896         (scalb_optab): Define corresponding macro.
5897         * optabs.c (init_optabs): Initialize scalb_optab.
5898         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
5899         patterns.
5900         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
5901         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
5902         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
5903         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
5904         flag_unsafe_math_optimizations is set.
5905
5906         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
5907         to implement scalbf, scalb and scalbl built-ins as inline x87
5908         intrinsics.
5909
5910 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5911             DJ Delorie <dj@redhat.com>
5912
5913         PR other/30824
5914         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
5915         (diagnostic_report_diagnostic): ... here, and turn them into real
5916         errors. If warnings are inhibited, no need to do anything.
5917
5918 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
5919
5920         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
5921         better code generation.
5922
5923 2007-02-20  Ben Elliston  <bje@au.ibm.com>
5924
5925         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
5926
5927 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
5928
5929         * config/alpha/alpha.c, config/alpha/alpha.md,
5930         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
5931         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
5932         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
5933         config/arm/lib1funcs.asm: Follow spelling conventions.
5934
5935         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
5936         config/fr30/fr30.md, config/i386/i386.h,
5937         config/iq2000/iq2000.h, config/iq2000/predicates.md,
5938         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
5939         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
5940         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
5941         config/rs6000/altivec.md, config/rs6000/rs6000.c,
5942         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
5943         config/sparc/sparc.c, config/sparc/sparc.h,
5944         config/sparc/sparc.md, config/spu/constraints.md,
5945         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
5946         conventions.
5947
5948 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
5949
5950         PR target/29943
5951         * varasm.c (use_blocks_for_decl_p): Return false for decls with
5952         alias attribute.
5953
5954 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
5955
5956         * doc/invoke.texi (-ftree-lrs): Remove.
5957
5958 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
5959
5960         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
5961         NULL.
5962
5963 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
5964
5965         * config/ia64/ia64.c (ia64_expand_builtin): Use the
5966         new CALL_EXPR_FN macro for retrieving the function
5967         declaration of the input expression.
5968
5969 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5970
5971         * c.opt (Waddress): New.
5972         * common.opt (Walways-true): Delete.
5973         (Wstring-literal-comparison): Delete.
5974         * doc/invoke.texi (Warning Options): Delete -Walways-true and
5975         -Wstring-literal-comparison. Add -Waddress.
5976         (Waddress): New.
5977         (Walways-true): Delete.
5978         (Wstring-literal-comparison): Delete.
5979         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
5980         consistently instead of -Walways-true in example.
5981         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
5982         * c-typeck.c (parser_build_binary_op): Replace
5983         -Wstring-literal-comparison and -Walways-true with -Waddress.
5984         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
5985         with -Waddress.
5986
5987 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
5988
5989         * tree-cfg.c (dump_function_to_file): Be prepared for functions
5990         without DECL_STRUCT_FUNCTION initialized.
5991
5992 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
5993
5994         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
5995         due to calls to functions taking pointers as parameters.
5996
5997 2007-02-19  Richard Henderson  <rth@redhat.com>
5998
5999         PR debug/29558
6000         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
6001         in memory.
6002
6003 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6004
6005         * config/s390/s390.c (s390_call_saved_register_used,
6006         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
6007         accessed to the new scheme.
6008
6009 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
6010
6011         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
6012         (cris_print_index, cris_print_operand, cris_print_operand_address)
6013         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
6014         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
6015         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
6016         GET_CODE () == xxx.
6017         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
6018         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
6019         GO_IF_LEGITIMATE_ADDRESS): Ditto.
6020         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
6021         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
6022         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
6023         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
6024         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
6025         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
6026         (uminsi3, call, call_value): Ditto.
6027         (define_split: indir_to_reg_split, unnamed): Ditto.
6028
6029 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
6030
6031         PR tree-optimization/30975
6032         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
6033         wrong assert.
6034
6035 2007-02-18  Eric Christopher  <echristo@gmail.com>
6036
6037         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
6038         Remove use of arglist.
6039         (mips_expand_builtin): Remove use of arglist, pass in expr.
6040         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
6041         (mips_expand_builtin_movtf): Ditto.
6042         (mips_expand_builtin_compare): Ditto.
6043
6044 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6045
6046         * tree-sra.c (sra_build_assignment): Replace assertion
6047         checking with a comment explaining why it can't be done.
6048
6049 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6050
6051         PR middle-end/30833
6052         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
6053         during CALL_EXPR representation conversion.
6054         * tree-ssa-propagate.c (set_rhs): Likewise.
6055
6056 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6057
6058         * tree-sra.c (sra_build_assignment): Disable assertion checking
6059         for now.
6060
6061 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6062
6063         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
6064         instead of calling build2 with a GIMPLE_MODIFY_STMT.
6065         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
6066         Likewise.
6067         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
6068         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
6069         gimplify_init_ctor_eval_range, gimple_push_cleanup,
6070         gimplify_omp_for, gimplify_omp_atomic_pipeline,
6071         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
6072         force_gimple_operand): Likewise.
6073         * ipa-cp.c (constant_val_insert): Likewise.
6074         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6075         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
6076         perfect_nestify): Likewise.
6077         * langhooks.c (lhd_omp_assignment): Likewise.
6078         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
6079         lower_copyprivate_clauses, lower_send_clauses,
6080         lower_send_shared_vars, expand_parallel_call,
6081         expand_omp_for_generic, expand_omp_for_static_nochunk,
6082         expand_omp_for_static_chunk, expand_omp_sections,
6083         lower_omp_single_copy, lower_omp_for_lastprivate,
6084         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
6085         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
6086         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
6087         Likewise.
6088
6089 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6090
6091         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
6092         config/sh/sh.md: Follow spelling conventions.
6093
6094         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
6095         config/frv/predicates.md: Follow spelling conventions.
6096
6097         * config/m68k/linux-unwind.h: Fix a comment typo.
6098         * target.h: Follow spelling conventions.
6099
6100 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6101
6102         PR rtl-optimization/28173
6103         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
6104         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
6105         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
6106         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
6107         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
6108
6109 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6110
6111         * builtins.c (fold_builtin_load_exponent): New.
6112         (fold_builtin_2): Use it.
6113
6114 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
6115
6116         PR rtl-optimization/30773
6117         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
6118         if we fail to attach a REG_EQUIV note.
6119
6120 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
6121             Roger Sayle  <roger@eyesopen.com>
6122
6123         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
6124
6125 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6126
6127         * calls.c (initialize_argument_information): Pass original EXP
6128         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
6129         code to split complex arguments here, as part of initializing the
6130         ARGS array.
6131         (expand_call): Remove code that builds a list of arguments and
6132         inserts implicit arguments into it.  Instead, just count how many
6133         implicit arguments there will be so we can determine the size of
6134         the ARGS array, and let initialize_argument_information do the work.
6135         (split_complex_values): Delete unused function.
6136
6137 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6138
6139         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
6140
6141 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6142
6143         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
6144         for arg pointer based indexed addressing.
6145
6146 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6147
6148         * config/ia64/ia64.h, config/ia64/ia64.md,
6149         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
6150         spelling conventions.
6151
6152 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6153
6154         * config/m68k/m68k.c (split_di): New.
6155         * config/m68k/m68k-protos.h: Declare split_di.
6156         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
6157           Improve predicate handling and split constant shifts.
6158
6159 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6160
6161         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
6162         parameter for register bitfield operations, general predicates
6163         cleanup
6164
6165 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6166
6167         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
6168         * config/m68k/linux-unwind.h: New file.
6169
6170 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6171
6172         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
6173         config/i386/athlon.md, config/ia64/ia64.md,
6174         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
6175         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
6176         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
6177         tree-ssa-loop-niter.c, tree-vect-analyze.c,
6178         tree-vect-transform.c: Fix comment typos.
6179
6180 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
6181
6182         * sched-deps.c (find_insn_list): Remove.
6183         * sched-int.h: Remove the prototype for find_insn_list.
6184
6185 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
6186
6187         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
6188         to linker.
6189         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
6190         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
6191         darwin_rs6000_override_options.
6192         (C_COMMON_OVERRIDE_OPTIONS): Expect
6193         darwin_macosx_version_min to be non-NULL always.
6194         (TARGET_C99_FUNCTIONS): Likewise.
6195         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
6196         (DARWIN_MINVERSION_SPEC): New.
6197         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
6198         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
6199         to cc1*.
6200         (DARWIN_MINVERSION_SPEC): New.
6201         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
6202         value.
6203         * config/darwin-c.c (darwin_cpp_builtins): Expect
6204         darwin_macosx_version_min to be non-NULL always.
6205
6206         * config/rs6000/rs6000.c: Clean up trailing whitespace.
6207
6208 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
6209
6210         * config/i386/i386.h (x86_use_xchgb): New.
6211         (TARGET_USE_XCHGB): New macro.
6212         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
6213         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
6214         Split after reload into bswaphi for shifts of 8.
6215         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
6216         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
6217         or when optimizing for size.
6218
6219 2007-02-16  Richard Guenther  <rguenther@suse.de>
6220             Christian Bruel  <christian.bruel@st.com>
6221
6222         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
6223         DECLs but prefer SSA_NAMEs over DECLs.
6224
6225 2007-02-16  Richard Guenther  <rguenther@suse.de>
6226
6227         * tree-flow-inline.h (single_imm_use_p): Remove.
6228         (zero_imm_uses_p): Likewise.
6229         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
6230         instead of single_imm_use_p.
6231         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
6232         zero_imm_uses_p.
6233
6234 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6235
6236         PR other/27843
6237         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
6238         nested double- and backquotes.
6239
6240 2007-02-15  Roger Sayle  <roger@eyesopen.com>
6241
6242         PR middle-end/30391
6243         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
6244         should be unreachable.
6245         (build2_stat): Allow construction of MODIFY_EXPR at any time.
6246         For the time being redirect GIMPLE_MODIFY_STMT to the new
6247         (renamed) build_gimple_modify_stmt_stat.
6248         (build2_gimple_stat): Rename to...
6249         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
6250         Always build a GIMPLE_MODIFY_STMT node.
6251         * tree.h (build2_gimple, build2_gimple_stat): Delete.
6252         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
6253         declarations.
6254
6255         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
6256         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
6257         * tree-complex.c (set_component_ssa_name, expand_complex_move,
6258         expand_complex_div_wide): Likewise.
6259         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
6260         * tree-ssa-loop-im.c (schedule_sm): Likewise.
6261         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
6262         * tree-ssa-loop-manip.c (create_iv): Likewise.
6263         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
6264         abs_replacement): Likewise.
6265         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
6266         realify_fake_stores): Likewise.
6267
6268         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
6269         node rather than a GIMPLE_MODIFY_STMT node.
6270         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
6271         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
6272         Likewise.
6273         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
6274         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
6275         GIMPLE_MODIFY_STMT.
6276
6277 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6278
6279         PR middle-end/30433
6280         * fold-const.c (fold_comparison): Add back the
6281         folding of constant complex comparisions.
6282
6283 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6284
6285         PR middle-end/30729
6286         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
6287         effects unknown to this function, return early.
6288
6289 2007-02-15  Ian Lance Taylor  <iant@google.com>
6290
6291         * lower-subreg.c (move_eh_region_note): New static function.
6292         (resolve_simple_move): Call it.
6293         (decompose_multiword_subregs): Track blocks for which we resolve a
6294         simple move which is also a control flow insn.  Pass them to
6295         find_many_sub_basic_blocks.
6296         (pass_lower_subreg): Add TODO_verify_flow.
6297         (pass_lower_subreg2): Likewise.
6298
6299 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6300             Brooks Moses  <brooks.moses@codesourcery.com>
6301             Lee Millward  <lee.millward@codesourcery.com>
6302
6303         * tree.h (enum tree_code_class): Add tcc_vl_exp.
6304         (VL_EXP_CLASS_P): New.
6305         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
6306         TREE_CODE_LENGTH.
6307         (TREE_OPERAND_CHECK_CODE): Likewise.
6308         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
6309         (TREE_RTL_OPERAND_CHECK): Likewise.
6310         (tree_operand_check_failed): Make second parameter the whole tree
6311         instead of its code.  Fixed callers.
6312         (VL_EXP_CHECK): New.
6313         (TREE_OPERAND_LENGTH): New.
6314         (VL_EXP_OPERAND_LENGTH): New.
6315         (CALL_EXPR_FN): New.
6316         (CALL_EXPR_STATIC_CHAIN): New.
6317         (CALL_EXPR_ARGS): New.
6318         (CALL_EXPR_ARG): New.
6319         (call_expr_nargs): New.
6320         (CALL_EXPR_ARGP): New.
6321         (build_nt_call_list): Declare.
6322         (build_vl_exp_stat): Declare.
6323         (build_vl_exp): New.
6324         (build_call_list): Declare.
6325         (build_call_nary): Declare.
6326         (build_call_valist): Declare.
6327         (build_call_array): Declare.
6328         (call_expr_arg): Declare.
6329         (call_expr_argp): Declare.
6330         (call_expr_arglist): Declare.
6331         (fold_build_call_list): Declare.
6332         (fold_build_call_list_initializer): Declare.
6333         (fold_call_expr): Declare to replace fold_builtin.
6334         (fold_builtin_fputs): Update to agree with modified definition.
6335         (fold_builtin_strcpy): Likewise.
6336         (fold_builtin_strncpy): Likewise.
6337         (fold_builtin_memory_chk): Likewise.
6338         (fold_builtin_stxcpy_chk): Likewise.
6339         (fold_builtin_strncpy_chk): Likewise.
6340         (fold_builtin_next_arg): Likewise.
6341         (fold_build_call_expr): Declare.
6342         (fold_builtin_call_list): Declare.
6343         (fold_builtin_call_valist): Declare.
6344         (build_call_expr): Declare.
6345         (validate_arglist): Update to agree with modified definition.
6346         (tree_operand_length): New.
6347         (call_expr_arg_iterator): New.
6348         (init_call_expr_arg_iterator): New.
6349         (next_call_expr_arg): New.
6350         (first_call_expr_arg): New.
6351         (more_call_expr_args_p): New.
6352         (FOR_EACH_CALL_EXPR_ARG): New.
6353
6354         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
6355         and tcc_gimple_stmt.
6356         (tree_code_size): Update documentation.  Use sizeof (tree) rather
6357         than sizeof (char *).
6358         (tree_size): Likewise.  Add case for tcc_vl_exp.
6359         (tree_node_structure): Add case for tcc_vl_exp.
6360         (contains_placeholder_p): Likewise.
6361         (substitute_in_expr): Likewise.
6362         (substitute_placeholder_in_expr): Likewise.
6363         (stabilize_reference_1): Likewise.
6364         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
6365         to diagnose breakage of this interface for constructing CALL_EXPRs.
6366         (build_nt): Add similar assertion here.
6367         (build_nt_call_list): New.
6368         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
6369         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
6370         TREE_CODE_LENGTH.
6371         (get_callee_fndecl): Use new CALL_EXPR accessors.
6372         (tree_operand_check_failed): Change parameters to pass entire node
6373         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
6374         (process_call_operands): New.
6375         (build_vl_exp_stat): New.
6376         (build_call_list): New.
6377         (build_call_nary): New.
6378         (build_call_valist): New.
6379         (build_call_array): New.
6380         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6381         (call_expr_arglist): New.
6382
6383         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
6384         tcc_vl_exp instead of a fixed-size tcc_expression.
6385
6386         * doc/c-tree.texi (CALL_EXPR): Document new representation and
6387         accessors for CALL_EXPRs.
6388         (AGGR_INIT_EXPR): Likewise.
6389
6390 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6391             Brooks Moses  <brooks.moses@codesourcery.com>
6392             Lee Millward  <lee.millward@codesourcery.com>
6393
6394         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
6395         (expand_builtin_nonlocal_goto): Change parameter to be entire
6396         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
6397         (expand_builtin_prefetch): Likewise.
6398         (expand_builtin_classify_type): Likewise.
6399         (mathfn_built_in): Return NULL_TREE instead of 0.
6400         (expand_errno_check): Use new CALL_EXPR accessors.
6401         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
6402         Return NULL_RTX instead of 0.
6403         (expand_builtin_mathfn_2): Likewise.
6404         (expand_builtin_mathfn_3): Likewise.
6405         (expand_builtin_interclass_mathfn): Likewise.
6406         (expand_builtin_sincos): Likewise.
6407         (expand_builtin_cexpi): Likewise.
6408         (expand_builtin_int_roundingfn): Likewise.
6409         (expand_builtin_int_roundingfn_2): Likewise.
6410         (expand_builtin_pow): Likewise.
6411         (expand_builtin_powi): Likewise.
6412         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
6413         of arglist, fixing callers appropriately.  Use new CALL_EXPR
6414         accessors and constructors.  Return NULL_RTX instead of 0.
6415         (expand_builtin_strstr): Likewise.
6416         (expand_builtin_strchr): Likewise.
6417         (expand_builtin_strrchr): Likewise.
6418         (expand_builtin_strpbrk): Likewise.
6419         (expand_builtin_memcpy): Likewise.
6420         (expand_builtin_mempcpy): Likewise.
6421         (expand_builtin_mempcpy_args): New.
6422         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
6423         (expand_builtin_memmove_args): New.
6424         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
6425         (expand_movstr): Likewise.
6426         (expand_builtin_strcpy): Likewise.
6427         (expand_builtin_strcpy_args): New.
6428         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
6429         (expand_builtin_strncpy): Likewise.
6430         (expand_builtin_memset): Likewise.
6431         (expand_builtin_memset_args): New.
6432         (expand_builtin_bzero): Similarly to expand_builtin_memset.
6433         (expand_builtin_memcmp): Likewise.
6434         (expand_builtin_strcmp): Likewise.
6435         (expand_builtin_strncmp): Likewise.
6436         (expand_builtin_strcat): Likewise.
6437         (expand_builtin_strncat): Likewise.
6438         (expand_builtin_strspn): Likewise.
6439         (expand_builtin_strcspn): Likewise.
6440         (expand_builtin_args_info): Likewise.
6441         (expand_builtin_va_start): Likewise.
6442         (gimplify_va_arg_expr): Likewise.
6443         (expand_builtin_va_end): Likewise.
6444         (expand_builtin_va_copy): Likewise.
6445         (expand_builtin_frame_address): Likewise.
6446         (expand_builtin_alloca): Likewise.
6447         (expand_builtin_bswap): Likewise.
6448         (expand_builtin_unop): Likewise.
6449         (expand_builtin_fputs): Likewise.
6450         (expand_builtin_expect): Likewise.
6451         (expand_builtin_fabs): Likewise.
6452         (expand_builtin_copysign): Likewise.
6453         (expand_builtin_printf): Likewise.
6454         (expand_builtin_fprintf): Likewise.
6455         (expand_builtin_sprintf): Likewise.
6456         (expand_builtin_init_trampoline): Likewise.
6457         (expand_builtin_signbit): Likewise.
6458         (expand_builtin_fork_or_exec): Likewise.
6459         (expand_builtin_sync_operation): Likewise.
6460         (expand_builtin_compare_and_swap): Likewise.
6461         (expand_builtin_lock_test_and_set): Likewise.
6462         (expand_builtin_lock_release): Likewise.
6463         (expand_builtin): Likewise.
6464         (builtin_mathfn_code): Likewise.
6465
6466         (fold_builtin_constant_p): Pass call arguments individually instead
6467         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6468         accessors and constructors.  Return NULL_TREE instead of 0.
6469         (fold_builtin_expect): Likewise.
6470         (fold_builtin_classify_type): Likewise.
6471         (fold_builtin_strlen): Likewise.
6472         (fold_builtin_nan): Likewise.
6473         (integer_valued_real_p): Likewise.
6474         (fold_trunc_transparent_mathfn): Likewise.
6475         (fold_fixed_mathfn): Likewise.
6476         (fold_builtin_cabs): Likewise.
6477         (fold_builtin_sqrt): Likewise.
6478         (fold_builtin_cbrt): Likewise.
6479         (fold_builtin_cos): Likewise.
6480         (fold_builtin_cosh): Likewise.
6481         (fold_builtin_tan): Likewise.
6482         (fold_builtin_sincos): Likewise.
6483         (fold_builtin_cexp): Likewise.
6484         (fold_builtin_trunc): Likewise.
6485         (fold_builtin_floor): Likewise.
6486         (fold_builtin_ceil): Likewise.
6487         (fold_builtin_round): Likewise.
6488         (fold_builtin_int_roundingfn): Likewise.
6489         (fold_builtin_bitop): Likewise.
6490         (fold_builtin_bswap): Likewise.
6491         (fold_builtin_logarithm): Likewise.
6492         (fold_builtin_hypot): Likewise.
6493         (fold_builtin_pow): Likewise.
6494         (fold_builtin_powi): Likewise.
6495         (fold_builtin_exponent): Likewise.
6496         (fold_builtin_memset): Likewise.
6497         (fold_builtin_bzero): Likewise.
6498         (fold_builtin_memory_op): Likewise.
6499         (fold_builtin_bcopy): Deleted; call site changed to invoke
6500         fold_builtin_memory_op directly.
6501         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
6502         (fold_builtin_strncpy): Likewise.
6503         (fold_builtin_memcmp): Likewise.
6504         (fold_builtin_strcmp): Likewise.
6505         (fold_builtin_strncmp): Likewise.
6506         (fold_builtin_signbit): Likewise.
6507         (fold_builtin_copysign): Likewise.
6508         (fold_builtin_isascii): Likewise.
6509         (fold_builtin_toascii): Likewise.
6510         (fold_builtin_isdigit): Likewise.
6511         (fold_builtin_fabs): Likewise.
6512         (fold_builtin_abs): Likewise.
6513         (fold_builtin_fmin_fmax): Likewise.
6514         (fold_builtin_carg): Likewise.
6515         (fold_builtin_classify): Likewise.
6516         (fold_builtin_unordered_cmp): Likewise.
6517
6518         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
6519         New functions split out from fold_builtin_1.
6520         (fold_builtin_n): New.
6521         (fold_builtin_varargs): New.
6522         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
6523         instead.
6524         (fold_call_expr): New.
6525         (build_function_call_expr): Rewrite to use new helper function.
6526         (fold_builtin_call_list): New.
6527         (build_call_expr): New.
6528         (fold_builtin_call_valist): New.
6529         (rewrite_call_expr): New.
6530         (validate_arg): New.
6531         (validate_arglist): Change parameter to be entire CALL_EXPR instead
6532         of an arglist.  Change return type to bool.  Use new CALL_EXPR
6533         accessors.
6534
6535         (fold_builtin_strstr):  Pass call arguments individually instead
6536         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6537         accessors and constructors.  Return NULL_TREE instead of 0.
6538         (fold_builtin_strchr): Likewise.
6539         (fold_builtin_strrchr): Likewise.
6540         (fold_builtin_strpbrk): Likewise.
6541         (fold_builtin_strcat): Likewise.
6542         (fold_builtin_strncat): Likewise.
6543         (fold_builtin_strspn): Likewise.
6544         (fold_builtin_strcspn): Likewise.
6545         (fold_builtin_fputs): Likewise.
6546         (fold_builtin_next_arg): Likewise.
6547         (fold_builtin_sprintf): Likewise.
6548
6549         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
6550         NULL_RTX instead of 0.
6551         (expand_builtin_memory_chk): Likewise.
6552         (maybe_emit_chk_warning): Likewise.
6553         (maybe_emit_sprintf_chk_warning): Likewise.
6554
6555         (fold_builtin_object_size): Pass call arguments individually instead
6556         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6557         accessors and constructors.  Return NULL_TREE instead of 0.
6558         (fold_builtin_memory_chk): Likewise.
6559         (fold_builtin_stxcpy_chk): Likewise.
6560         (fold_builtin_strncpy_chk): Likewise.
6561         (fold_builtin_strcat_chk): Likewise.
6562         (fold_builtin_strcat_chk): Likewise.
6563         (fold_builtin_strncat_chk): Likewise.
6564         (fold_builtin_sprintf_chk): Likewise.
6565         (fold_builtin_snprintf_chk): Likewise.
6566         (fold_builtin_printf): Likewise.
6567         (fold_builtin_vprintf): Likewise.
6568
6569         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
6570         constructors.
6571         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
6572         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6573         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
6574         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
6575         (fold_unary): Likewise.
6576         (fold_binary): Likewise.
6577         (fold_ternary): Remove CALL_EXPR case, since they are no longer
6578         ternary expressions.
6579         (fold): Add logic for tcc_vl_exp.
6580         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
6581         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6582         (fold_build3_stat): Add assertion to flag broken interface for
6583         constructing CALL_EXPRs.
6584         (fold_build_call_list): New.
6585         (fold_build_call_list_initializer): New.
6586         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
6587         constructors.
6588         (fold_strip_sign_ops): Likewise.
6589
6590 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6591             Brooks Moses  <brooks.moses@codesourcery.com>
6592             Lee Millward  <lee.millward@codesourcery.com>
6593
6594         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
6595         accessors and dump arguments explicitly.
6596
6597         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
6598         TREE_CODE_LENGTH.
6599         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
6600         explicitly.
6601         (print_call_name): Use new CALL_EXPR accessors.
6602
6603         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
6604         CALL_EXPR arguments explicitly instead of as a list.  Use
6605         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6606
6607         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
6608         (vrp_visit_stmt): Likewise.
6609
6610         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
6611         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
6612         TREE_CODE_LENGTH.
6613         (force_move_till_expr): Likewise.
6614
6615         * targhooks.c (default_external_stack_protect_fail): Use
6616         build_call_expr instead of build_function_call_expr.
6617         (default_hidden_stack_protect_fail): Likewise.
6618
6619         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
6620         build the call.
6621
6622         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
6623         and walk arguments explicitly.
6624
6625         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
6626         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6627         (expand_simple_operations): Likewise.
6628         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
6629
6630         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
6631         of TREE_CODE_LENGTH.
6632         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
6633
6634         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
6635         instead of TREE_CODE_LENGTH.
6636
6637         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
6638         (tree_ic_transform): Likewise.
6639         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
6640         parameter instead of arglist.  Fix callers.
6641         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
6642         (tree_stringops_transform): Likewise.
6643         (tree_indirect_call_to_profile): Likewise.
6644         (tree_stringops_values_to_profile): Likewise.
6645
6646         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
6647         (eliminate_tail_call): Likewise.
6648
6649         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
6650
6651         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
6652         Use TREE_OPERAND_LENGTH and generalize to handle any number of
6653         operands.
6654         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
6655
6656         * omp-low.c (build_omp_barrier): Use build_call_expr.
6657         (lower_rec_input_clauses): Likewise.
6658         (lower_reduction_clauses): Likewise.
6659         (expand_parallel_call): Likewise.
6660         (maybe_catch_exception): Likewise.
6661         (expand_omp_for_generic): Likewise.
6662         (expand_omp_for_static_nochunk): Likewise.
6663         (expand_omp_sections): Likewise.
6664         (lower_omp_single_simple): Likewise.
6665         (lower_omp_single_copy): Likewise.
6666         (lower_omp_master): Likewise.
6667         (lower_omp_ordered): Likewise.
6668         (lower_omp_critical): Likewise.
6669
6670         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
6671         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
6672
6673         * tree-gimple.c (is_gimple_call_addr): Fix doc.
6674         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
6675         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
6676
6677         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
6678         and generalize to handle any number of operands.
6679         (chrec_contains_undetermined): Likewise.
6680         (tree_contains_chrecs): Likewise.
6681         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
6682
6683         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
6684
6685         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
6686         fold_call_expr instead of fold_builtin.
6687         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
6688         match declarations there.
6689         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
6690         updates.
6691
6692         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
6693         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6694
6695         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
6696         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
6697
6698         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
6699         accessors.
6700
6701         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
6702         (execute_cse_sincos): Use new CALL_EXPR accessors.
6703
6704         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
6705
6706         * gimple-low.c (lower_function_body): Use build_call_expr.
6707         (lower_builtin_setjmp): Likewise.
6708
6709         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
6710         (set_storage_via_libcall): Likewise.
6711         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
6712         instead of TREE_CODE_LENGTH.
6713         (expand_expr_real_1): Use new CALL_EXPR accessors.
6714
6715         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
6716         generalize to handle any number of operands.
6717         (TB_parent_eq): Likewise.
6718
6719         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
6720         (strip_builtin_expect): Likewise.
6721
6722         * function.c (gimplify_parameters): Use build_call_expr.
6723
6724         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
6725         instead of TREE_CODE_LENGTH.
6726
6727         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
6728         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
6729
6730         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
6731         iterators.
6732
6733         * gimplify.c (build_stack_save_restore): Use build_call_expr.
6734         (gimplify_decl_expr): Likewise.
6735         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
6736         Use new CALL_EXPR iterators.
6737         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
6738         (gimplify_modify_expr_to_memset): Likewise.
6739         (gimplify_variable_sized_compare): Likewise.
6740         (gimplify_omp_atomic_fetch_op): Likewise.
6741         (gimplify_omp_atomic_pipeline): Likewise.
6742         (gimplify_omp_atomic_mutex): Likewise.
6743         (gimplify_function_tree): Likewise.
6744
6745         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
6746         (call_expr_flags): Likewise.
6747         (expand_call): Likewise.
6748
6749         * except.c (expand_builtin_eh_return_data_regno): Pass entire
6750         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
6751         accessors.
6752
6753         * coverage.c (create_coverage): Use build_call_expr.
6754
6755         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
6756         (temp_call_expr_obstack): New.
6757         (pool_copy_list): Delete.
6758         (temp_copy_call_expr): New.
6759         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
6760         CALL_EXPR accessors.  Get rid of special goo for copying argument
6761         lists and use temp_copy_call_expr instead.
6762         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
6763         CALL_EXPR accessors.
6764         (create_expression_by_pieces): Likewise.  Use build_call_array
6765         to construct the result instead of fold_build3.
6766         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
6767         dealing with argument lists.
6768         (init_pre): Remove references to expression_node_pool and
6769         list_node_pool.  Init temp_call_expr_obstack instead.
6770         (fini_pre): Remove references to expression_node_pool and
6771         list_node_pool.
6772
6773         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
6774         and walk arguments explicitly instead of as a list.
6775
6776         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
6777         (mx_register_decls): Likewise.
6778         (mudflap_register_call): Likewise.
6779         (mudflap_finish_file): Likewise.
6780
6781         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
6782         (ipa_callsite_compute_param): Likewise.
6783
6784         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
6785         accessors and constructor.
6786
6787         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
6788         accessors and constructor.
6789         (convert_tramp_reference): Likewise.
6790         (convert_call_expr): Likewise.
6791         (finalize_nesting_tree_1): Likewise.
6792
6793         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
6794         accessors.
6795
6796         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
6797
6798         * tree-inline.c (initialize_inlined_parameters): Pass entire
6799         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
6800         accessors.
6801         (estimate_num_insns_1): Use new CALL_EXPR accessors.
6802         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
6803
6804         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
6805         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6806         (vectorizable_reduction): Likewise.
6807         (vectorizable_call): Use new CALL_EXPR iterators.
6808         (vectorizable_conversion): Use build_call_expr.
6809         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
6810         (vect_gen_widened_results_half): Use build_call_expr.
6811         (vect_setup_realignment): Likewise.
6812         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
6813
6814         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
6815         (pass_through_call): Likewise.
6816         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
6817         fold_builtin.
6818
6819         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
6820         (tree_gen_pow2_profiler): Likewise.
6821         (tree_gen_one_value_profiler): Likewise.
6822         (tree_gen_ic_func_profiler): Likewise.
6823         (tree_gen_average_profiler): Likewise.
6824         (tree_gen_ior_profiler): Likewise.
6825
6826         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
6827         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
6828         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6829
6830         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
6831         of TREE_CODE_LENGTH.
6832
6833         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
6834         of TREE_CODE_LENGTH.
6835
6836         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
6837         constructor.
6838         (convert_to_integer): Likewise.
6839
6840         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
6841         accessors.
6842
6843 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6844             Brooks Moses  <brooks.moses@codesourcery.com>
6845             Lee Millward  <lee.millward@codesourcery.com>
6846
6847         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
6848         accessors.
6849         * config/frv/frv.c (frv_expand_builtin): Likewise.
6850         * config/s390/s390.c (s390_expand_builtin): Likewise.
6851
6852         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
6853         (sparc_expand_builtin): Use new CALL_EXPR accessors.
6854
6855         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
6856         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
6857         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
6858         (ix86_expand_store_builtin): Likewise.
6859         (ix86_expand_unop_builtin): Likewise.
6860         (ix86_expand_unop1_builtin): Likewise.
6861         (ix86_expand_sse_compare): Likewise.
6862         (ix86_expand_sse_comi): Likewise.
6863         (ix86_expand_vec_init_builtin): Likewise.
6864         (ix86_expand_vec_ext_builtin): Likewise.
6865         (ix86_expand_vec_set_builtin): Likewise.
6866         (ix86_expand_builtin): Use new CALL_EXPR accessors.
6867
6868         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
6869         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
6870
6871         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
6872         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
6873         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
6874
6875         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
6876         build_call_expr.
6877         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
6878         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
6879         arglist.  Use new CALL_EXPR accessors.  Fix callers.
6880         (altivec_expand_abs_builtin): Likewise.
6881         (rs6000_expand_binop_builtin): Likewise.
6882         (altivec_expand_predicate_builtin): Likewise.
6883         (altivec_expand_lv_builtin): Likewise.
6884         (spe_expand_stv_builtin): Likewise.
6885         (altivec_expand_stv_builtin): Likewise.
6886         (rs6000_expand_ternop_builtin): Likewise.
6887         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
6888         (altivec_expand_st_builtin): Likewise.
6889         (altivec_expand_dst_builtin): Likewise.
6890         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
6891         arglist.  Use new CALL_EXPR accessors.  Fix callers.
6892         (altivec_expand_vec_set_builtin): Likewise.
6893         (altivec_expand_vec_ext_builtin): Likewise.
6894         (altivec_expand_builtin): Use new CALL_EXPR accessors.
6895         (spe_expand_builtin): Likewise.
6896         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
6897         arglist.  Use new CALL_EXPR accessors.  Fix callers.
6898         (spe_expand_evsel_builtin): Likewise.
6899         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
6900         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
6901
6902         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
6903         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
6904         (arm_expand_unop_builtin): Likewise.
6905         (arm_expand_builtin): Use new CALL_EXPR accessors.
6906
6907         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
6908         accessors.
6909
6910         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
6911         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
6912         (bfin_expand_unop_builtin): Likewise.
6913         (bfin_expand_builtin): Use new CALL_EXPR accessors.
6914
6915 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6916             Brooks Moses  <brooks.moses@codesourcery.com>
6917             Lee Millward  <lee.millward@codesourcery.com>
6918
6919         * c-semantics.c (build_stmt): Add internal diagnostic check.
6920
6921         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
6922         accessors.  Print arguments explicitly instead of as a list.
6923
6924         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
6925
6926         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
6927         (c_finish_omp_flish): Likewise.
6928
6929         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
6930         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
6931         instead of TREE_CODE_LENGTH.
6932         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
6933         (c_warn_unused_result): Likewise.
6934
6935 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6936
6937         PR c/26494
6938         * doc/invoke.texi (Warning Options): Remove
6939         -Werror-implicit-function-declaration.
6940         (Wimplicit-function-declaration): Update description.
6941         * opts.c (common_handle_option): Move handling of -Werror=* to...
6942         (enable_warning_as_error): ...here.
6943         * opts.h (enable_warning_as_error): Declare.
6944         * c-decl.c (implicit_decl_warning): Unless
6945         -Wno-implicit-function-declaration is given, emit a pedwarn if
6946         -std=c99 or emit a warning if -Wimplicit-function-declaration.
6947         * c.opt (Wimplicit-function-declaration): Replace
6948         mesg_implicit_function_declaration with
6949         warn_implicit_function_declaration.
6950         * c-opts.c (c_common_handle_option):
6951         -Werror-implicit-function-declaration is exactly equal as
6952         -Werror=implicit-function-declaration.
6953         (set_Wimplicit): Replace mesg_implicit_function_declaration with
6954         warn_implicit_function_declaration.
6955         (c_common_post_options): -Wimplict-function-declaration is enabled
6956         by default by -std=c99, otherwise is disabled by default.
6957         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
6958
6959 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6960
6961         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
6962         DECL on the rhs to a DECL on the lhs for debug info purposes if the
6963         former is ignored but not the latter.
6964
6965 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6966
6967         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
6968         is made and the reference doesn't use the alias set of its type,
6969         do not create the temporary using that type.
6970
6971 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
6972
6973         * jump.c: Remove prototypes for delete_computation and
6974         delete_prior_computation.
6975
6976 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
6977
6978         * jump.c (get_label_after): Delete.
6979         (get_label_before, delete_computation, delete_jump,
6980         delete_prior_computation, follow_jumps): Move...
6981         * reorg.c (delete_computation, delete_prior_computation): ... here...
6982         (get_label_before, delete_jump): ... making these static ...
6983         (follow_jumps): ... and simplifying this since it only runs after
6984         reload.
6985         * rtl.h (get_label_after, get_label_before, delete_jump,
6986         follow_jumps): Delete prototypes.
6987
6988 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
6989
6990         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
6991
6992 2007-02-15  Nick Clifton  <nickc@redhat.com>
6993
6994         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
6995         order to prevent it from being munged by the target.
6996
6997 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
6998
6999         * config/i386/i386.md: Remove misleading comment.
7000
7001 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7002
7003         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
7004         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
7005         invalid patterns.
7006
7007 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7008
7009         * tree-sra.c (instantiate_missing_elements): Canonicalize
7010         bit-field types.
7011         (sra_build_assignment): New.
7012         (generate_copy_inout, generate_element_copy,
7013         generate_element_zero, generate_one_element_init): Use it.
7014
7015 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7016
7017         * tree-sra.c (instantiate_missing_elements): Canonicalize
7018         bit-field types.
7019         (sra_build_assignment): New.
7020         (generate_copy_inout, generate_element_copy,
7021         generate_element_zero, generate_one_element_init): Use it.
7022
7023 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7024
7025         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
7026         limbo die nodes.
7027
7028 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
7029
7030         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
7031         types as aggregates not scalars.
7032         * function.c (assign_stack_temp_for_type): Likewise.
7033
7034 2007-02-14  Roger Sayle  <roger@eyesopen.com>
7035             Zdenek Dvorak  <dvorakz@suse.cz>
7036
7037         * tree-dump.c (dump_switch_p_1): Require exact match of the option
7038         name.
7039
7040 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
7041
7042         * passes.c (next_pass_1): Clear the next field of the copied
7043         pass structure.
7044
7045 2007-02-14  Richard Henderson  <rth@redhat.com>
7046
7047         * tree-sra.c (early_sra): New.
7048         (decl_can_be_decomposed_p): Deny va_list if early_sra.
7049         (tree_sra_early, pass_sra_early): New.
7050         * tree-pass.h (pass_sra_early): Declare.
7051         * passes.c (init_optimization_passes): Use it.
7052
7053 2007-02-14  Richard Guenther  <rguenther@suse.de>
7054
7055         * flags.h (issue_strict_overflow_warning): Convert to a macro.
7056
7057 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
7058
7059          PR tree-optimization/30771
7060         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
7061         also phi nodes.
7062         (vect_analyze_operations): Induction phis can now be marked as
7063         used_in_loop.
7064         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
7065         Update documentation accordingly.
7066
7067 2007-02-14  Nick Clifton  <nickc@redhat.com>
7068
7069         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
7070         most 3 arguments are supported.
7071         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
7072
7073 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
7074
7075         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
7076         Ensure dst->current is valid.
7077
7078 2007-02-13  Paul Brook  <paul@codesourcery.com>
7079
7080         * config.gcc: Add arm*-*-uclinux-*eabi.
7081         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
7082         (SUBTARGET_EXTRA_LINK_SPEC): Define.
7083         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
7084         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
7085         (LINK_SPEC): Define.
7086         (LIB_SPEC): Define.
7087         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
7088         register.
7089         * config/arm/uclinux-eabi.h: New file.
7090         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
7091         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
7092         based targets.
7093
7094 2007-02-13  Ian Lance Taylor  <iant@google.com>
7095
7096         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
7097         * flags.h (warn_strict_overflow): Declare.
7098         (enum warn_strict_overflow_code): Define.
7099         (issue_strict_overflow_warning): New static inline function.
7100         * opts.c (warn_strict_overflow): New variable.
7101         (common_handle_option): Handle OPT_Wstrict_overflow and
7102         OPT_Wstrict_overflow_.
7103         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
7104         OPT_Wall.
7105         * fold-const.c: Include intl.h.
7106         (fold_deferring_overflow_warnings): New static variable.
7107         (fold_deferred_overflow_warning): New static variable.
7108         (fold_deferred_overflow_code): New static variable.
7109         (fold_defer_overflow_warnings): New function.
7110         (fold_undefer_overflow_warnings): New function.
7111         (fold_undefer_and_ignore_overflow_warnings): New function.
7112         (fold_deferring_overflow_warnings_p): New function.
7113         (fold_overflow_warning): New static function.
7114         (make_range): Add strict_overflow_p parameter.  Change all
7115         callers.
7116         (extract_muldiv, extract_muldiv_1): Likewise.
7117         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
7118         tree_expr_nonnegative_p.
7119         (fold_negate_expr): Call fold_overflow_warning.
7120         (fold_range_test): Likewise.
7121         (fold_comparison): Likewise.
7122         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
7123         instead of tree_expr_nonnegative_p.
7124         (tree_expr_nonnegative_warnv_p): Rename from
7125         tree_expr_nonnegative_p, add strict_overflow_p parameter.
7126         (tree_expr_nonnegative_p): New function.
7127         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
7128         strict_overflow_p parameter.
7129         (tree_expr_nonzero_p): New function.
7130         * passes.c (verify_interpass_invariants): New static function.
7131         (execute_one_pass): Call it.
7132         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
7133         warnings.
7134         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
7135         (estimate_numbers_of_iterations): Likewise.
7136         (scev_probably_wraps_p): Likewise.
7137         * tree-ssa-ccp.c: Include "toplev.h".
7138         (evaluate_stmt): Defer fold overflow warnings until we know we are
7139         going to optimize.
7140         (struct fold_stmt_r_data): Add stmt field.
7141         (fold_stmt_r): Defer fold overflow warnings until we know we
7142         optimized.
7143         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
7144         (fold_stmt_inplace): Likewise.
7145         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
7146         (cleanup_control_expr_graph): Defer fold overflow warnings until
7147         we know we are going to optimize.
7148         * tree-cfg.c (fold_cond_expr_cond): Likewise.
7149         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
7150         Likewise.
7151         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
7152         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
7153         * tree-ssa-loop-manip.c (create_iv): Likewise.
7154         * c-typeck.c (build_conditional_expr): Likewise.
7155         (build_binary_op): Likewise.
7156         * tree-vrp.c (vrp_expr_computes_nonzero): Call
7157         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
7158         (extract_range_from_unary_expr): Likewise.
7159         * simplify-rtx.c (simplify_const_relational_operation): Warn when
7160         assuming that signed overflow does not occur.
7161         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
7162         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
7163         (fold_defer_overflow_warnings): Declare.
7164         (fold_undefer_overflow_warnings): Declare.
7165         (fold_undefer_and_ignore_overflow_warnings): Declare.
7166         (fold_deferring_overflow_warnings_p): Declare.
7167         (tree_expr_nonzero_warnv_p): Declare.
7168         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
7169         of warning options.
7170         (Warning Options): Document -Wstrict-overflow.
7171         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
7172         (tree-ssa-ccp.o): Likewise.
7173         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
7174         (fold-const.o): Depend on intl.h.
7175
7176 2007-02-13  Ian Lance Taylor  <iant@google.com>
7177
7178         PR middle-end/30751
7179         * lower-subreg.c (resolve_simple_move): Decompose subregs in
7180         addresses.
7181
7182 2007-02-13  Stuart Hastings  <stuart@apple.com>
7183
7184         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
7185
7186 2007-02-13  Richard Henderson  <rth@redhat.com>
7187
7188         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
7189         handled_component_p before looking for the indirect_ref.
7190
7191 2007-02-13  Richard Henderson  <rth@redhat.com>
7192
7193         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
7194         remove flags clobber.
7195         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
7196         (bswaphi_lowpart): New.
7197         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
7198         remove TARGET_BSWAP test.  Delete expander of the same name.
7199
7200         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
7201         (expand_unop): Use them.
7202
7203 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
7204
7205         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
7206         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
7207         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
7208         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
7209         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
7210         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
7211         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
7212         assembler dialect choice from asm templates.
7213
7214 2007-02-12  Richard Henderson  <rth@redhat.com>
7215
7216         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
7217         (fixuns_trunc<SSEMODEF>si2): Use it.
7218         * config/i386/sse.md (vec_setv4sf_0): Export.
7219         * config/i386/i386.c (ix86_build_const_vector): Export.
7220         (ix86_split_convert_uns_si_sse): Rename from
7221         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
7222         * config/i386/i386-protos.h: Update.
7223
7224 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7225
7226         PR c/29521
7227         * c-typeck.c (c_finish_return): Improve warning message.
7228
7229 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7230
7231         * alias.c (find_symbolic_term): Delete unused function.
7232
7233 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
7234
7235         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
7236         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
7237         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
7238
7239 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7240
7241         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
7242         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
7243         the function, temporarily point the debug interface to the null one.
7244
7245 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7246
7247         * dwarf2out.c (round_up_to_align): New static function.
7248         (field_byte_offset): Use it to round the offset.
7249
7250 2007-02-12  Richard Henderson  <rth@redhat.com>
7251
7252         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
7253         (inswl_const): Export.
7254
7255 2007-02-12  Richard Henderson  <rth@redhat.com>
7256
7257         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
7258         result mode of the libcall, convert back to outmode.
7259
7260 2007-02-12  Roger Sayle  <roger@eyesopen.com>
7261
7262         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
7263         (bswapdi2): New define_expand to implement 32-bit implementation.
7264
7265 2007-02-12  Nick Clifton  <nickc@redhat.com>
7266
7267         * doc/invoke.texi (Overall Options): Document --help=.
7268         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
7269         (cc1_options): Pass --help= on to cc1.
7270         (display_help): Add description of --help=.
7271         (process_command): Add code to handle --help=.  Allow translated
7272         --help and --target-help switches to be passed on to compiler
7273         sub-process.
7274         (main): Remove unused if statement.
7275         * opts.c (columns): Remove.
7276         (LEFT_COLUMN): Define.
7277         (wrap_help): Add columns argument.
7278         (print_filtered_help): Change parameters to be an include bitmask,
7279         an exclude bitmask, an any bitmask and the column width.  Move the
7280         code to display the params list here.  Add code to display the
7281         status of options rather than their descriptions if the quiet flag
7282         is not active.
7283         (print_specific_help): Change parameters to be an include bitmask,
7284         an exclude bitmask and an any bitmask.  Move code to look up the
7285         column width here.  Decide upon the title for an options listing.
7286         (common_handle_options): Add code to handle --help=.  Adapt code
7287         for --help and --target-help to use the revised form of the
7288         print_specific_help function.
7289         (print_help): Delete.
7290         (print_param_help): Delete.
7291         (print_switch): Delete.
7292         * opts.h (cl_lang_count): Add prototype.
7293         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
7294         CL_MAX_OPTION_CLASS): New defines.
7295         * optc-gen.awk: Add construction of cl_lang_count.
7296         * c.opt: Add Warning attribute to warning options and Optimization
7297         attribute to optimization options.
7298         * common.opt: Likewise.
7299         Add --help=.
7300         Add -fhelp and -ftarget-help as aliases for the transformed --help
7301         and --target-help options.
7302         * opt-functions.awk: Add code to handle Warning and Optimization
7303         attributes.
7304
7305 2007-02-12  Richard Henderson  <rth@redhat.com>
7306
7307         * config/alpha/constraints.md: New file.
7308         * config/alpha/alpha.c: Include tm-constrs.h.
7309         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
7310         alpha_extra_constraint): Remove.
7311         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
7312         * config/alpha/alpha-protos.h: Update.
7313         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
7314         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
7315         (EXTRA_CONSTRAINT): Remove.
7316         * config/alpha/alpha.md: Include constraints.md.
7317         (adddi splitter): Use satisfies_constraint_*.
7318         * config/alpha/predicates.md (add_operand): Likewise.
7319         (sext_add_operand, addition_operation): Likewise.
7320
7321 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
7322
7323         PR tree-optimization/29145
7324         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
7325         in our handling of restrict qualified pointers.
7326
7327 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7328
7329         PR middle-end/7651
7330         * doc/invoke.texi (Wunused-value): Update description.
7331         (Wextra): Delete item.
7332         * opts.c (set_Wextra): Don't use the value of Wextra to set the
7333         value of Wunused-value.
7334         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
7335         (c_finish_stmt_expr): Don't check extra_warnings.
7336         (emit_side_effect_warnings): The caller is responsible to check
7337         warn_unused_value.
7338
7339 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7340             Matt Thomas  <matt@3am-software.com>
7341
7342         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
7343
7344 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7345
7346         * simplify-rtx.c (simplify_relational_operation_1): Optimize
7347         comparisons of POPCOUNT against zero.
7348         (simplify_const_relational_operation): Likewise.
7349
7350 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7351
7352         * doc/invoke.texi (Wextra): Delete outdated paragraph.
7353
7354 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7355
7356         * dwarf2out.c (root_type): Delete unused function.
7357
7358 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7359
7360         * genattrtab.c (contained_in_p): Delete unused function.
7361         (write_expr_attr_cache): Likewise.
7362
7363 2007-02-11  Jan Hubicka  <jh@suse.cz>
7364
7365         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
7366         previous patch.
7367
7368 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
7369
7370         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
7371         to add the REG_EQ* note.
7372         * see.c (see_merge_one_use_extension): Likewise.
7373         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
7374         turn REG_EQUAL notes into REG_EQUIV notes if the target
7375         register may have more than one set.
7376         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
7377         * gcse.c (try_replace_reg): Likewise.
7378         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
7379         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
7380         more than one REG_EQUIV note.
7381         * reload1.c (gen_reload): Use set_unique_reg_note.
7382
7383 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
7384
7385         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
7386         (ix86_builtin_conversion): New function.
7387
7388 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
7389
7390         PR target/29487
7391         * tree.h (DECL_REPLACEABLE_P): New macro.
7392         * except.c (set_nothrow_function_flags): Likewise.
7393
7394 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
7395             Ira Rosen  <irar@il.ibm.com>
7396             Dorit Nuzman  <dorit@il.ibm.com>
7397
7398         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
7399         * targhooks.c (default_builtin_vectorized_conversion): New.
7400         * targhooks.h (default_builtin_vectorized_function): New declaration.
7401         * target.h (struct vectorize): Add builtin_conversion field.
7402         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
7403         stmt_vec_info_type value.
7404         (vectorizable_conversion): New declaration.
7405         * tree-vect-analyze.c (vect_analyze_operations): Add
7406         vectorizable_conversion call.
7407         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
7408         * tree-vect-transform.c (vectorizable_conversion): New function.
7409         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
7410         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
7411         mode.
7412         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
7413         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
7414         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
7415         or ALTIVEC_BUILTIN_VCFSX.
7416
7417 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7418
7419         PR target/30634
7420         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
7421         CONST_DOUBLE and operand 0 is a hard register.
7422         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
7423         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
7424         is a hard floating-point register.
7425
7426 2007-02-10  Richard Henderson  <rth@redhat.com>
7427             Jakub Jelinek  <jakub@redhat.com>
7428             Alexandre Oliva  <aoliva@redhat.com>
7429
7430         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
7431         * builtin-types.def (BT_WORD): Make unsigned.
7432         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7433         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7434         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7435         * c-decl.c (grokdeclarator): Don't error if !have_tls.
7436         * c-parser.c (c_parser_omp_threadprivate): Likewise.
7437         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7438         emulated tls.
7439         * expr.c (emutls_var_address): New.
7440         (expand_expr_real_1): Expand emulated tls.
7441         (expand_expr_addr_expr_1): Likewise.
7442         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7443         * output.h (emutls_finish): Declare.
7444         * toplev.c (compile_file): Call it.
7445         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7446         address before wrapping in CONST.
7447         * varasm.c (emutls_htab, emutls_object_type): New.
7448         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7449         (get_emutls_object_name, get_emutls_object_type): New.
7450         (get_emutls_init_templ_addr, emutls_decl): New.
7451         (emutls_common_1, emutls_finish): New.
7452         (assemble_variable): When emulating tls, swap decls; generate
7453         constructor for the emutls objects.
7454         (do_assemble_alias): When emulating tls, swap decl and target name.
7455         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7456         for emulated tls.
7457         * varpool.c (decide_is_variable_needed): Look at force_output.
7458         Recurse for emulated tls.
7459         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
7460         with decide_is_variable_needed.
7461         * emutls.c: New file.
7462         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7463         tls_object for real tls.
7464
7465 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
7466
7467         PR rtl-optimization/29599
7468         * reload1.c (eliminate_regs_in_insn): Take the destination
7469         mode into account when computing the offset.
7470
7471 2007-02-09  Stuart Hastings  <stuart@apple.com>
7472             Richard Henderson  <rth@redhat.com>
7473
7474         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
7475         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
7476         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
7477         fixuns_truncdfhi2): New.
7478         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
7479         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
7480         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
7481         (floatunssidf2): Allow nonimmediate source.
7482         * config/i386/sse.md (movdi_to_sse): New.
7483         (vec_concatv2di): Drop '*'.
7484         * config/i386/i386-protos.h (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         New.
7488         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
7489         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
7490         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
7491         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
7492         (ix86_build_signbit_mask): Fix decl of v, refactor to call
7493         ix86_build_const_vector.
7494         (x86_emit_floatuns): Rewrite.
7495
7496 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7497
7498         * genautomata.c (longest_path_length): Delete unused function.
7499         (struct state): Delete unused longest_path_length.
7500         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
7501         (get_free_state): Delete unused.
7502
7503 2007-02-09  Jan Hubicka  <jh@suse.cz>
7504
7505         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
7506         * doc/invoke.texi (inline-unit-growth): Update default value.
7507
7508         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
7509         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
7510         (rebuild_cgraph_edges): Likewise.
7511         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
7512         (dump_cgraph_node): Dump frequencies.
7513         (cgraph_clone_edge): Add frequency scales.
7514         (cgraph_clone_node): Add freuqnecy.
7515         * cgraph.h (cgraph_edge): Add freuqnecy argument.
7516         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
7517         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
7518         * tree-pass.h (TODO_rebuild_frequencies): New constant.
7519         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
7520         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
7521         (save_inline_function_body): Likewise.
7522         * ipa-inline.c: inluce rtl.h
7523         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
7524         (cgraph_edge_badness): Use frequencies.
7525         (cgraph_decide_recursive_inlining): Update clonning.
7526         (cgraph_decide_inlining_of_small_function): Dump frequency.
7527         * predict.c (estimate_bb_frequencies): Export.
7528         * predict.h (estimate_bb_frequencies): Declare.
7529         * tree-inline.c (copy_bb): Watch overflows.
7530         (expand_call_inline): Update call of cgraph_create_edge.
7531         (optimize_inline_calls): Use TODO flags to update frequnecies.
7532         * passes.h: Include predict.h
7533         (init_optimization_passes): Move profile ahead.
7534         (execute_function_todo): Handle TODO_rebuild_frequencies.
7535
7536 2007-02-09  Roger Sayle  <roger@eyesopen.com>
7537
7538         * config/alpha/alpha.c (emit_insxl): Force the first operand of
7539         the insbl or inswl pattern into a register.
7540
7541 2007-02-09  Roger Sayle  <roger@eyesopen.com>
7542
7543         * config/ia64/ia64.md (bswapdi2): New define_insn.
7544
7545 2007-02-09  Richard Henderson  <rth@redhat.com>
7546
7547         * config/i386/constraints.md (Ym): New constraint.
7548         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
7549         (movdi_1_rex64): Split sse and xmm general register moves from
7550         memory move alternatives.  Use conditional register constraints.
7551         (movsf_1, movdf_integer): Likewise.
7552         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
7553         (movdf_integer_rex64): New.
7554         (pushsf_rex64): Fix output constraints.
7555         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
7556         (sse2_stored): Likewise.
7557         (sse2_storeq_rex64): New.
7558         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
7559         amd and not generic.
7560         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
7561         for optimize_size.  Remove SF/DFmode hack.
7562
7563 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7564
7565         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
7566         (bit_SSE4a): New.
7567
7568 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
7569             Richard Sandiford  <richard@codesourcery.com>
7570
7571         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
7572         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
7573         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
7574         m68k/t-mlib to tmake_file.
7575         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
7576         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
7577         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
7578         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
7579         variable is not empty, add t-$m68k_arch_family to tmake_file.
7580         Add t-mlibs to tmake_file.
7581         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
7582         * config/m68k/t-cf: New file.
7583         * config/m68k/t-m68k: Likewise.
7584         * config/m68k/t-mlibs: Likewise.
7585         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7586         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7587         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
7588         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7589         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
7590         Delete.
7591         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
7592         (INSTALL_LIBGCC): Delete.
7593         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
7594         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7595         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7596         (M68K_MLIB_CPU): Define.
7597         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7598         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7599         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
7600
7601 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
7602             Richard Guenther  <rguenther@suse.de>
7603
7604         PR middle-end/23361
7605         * fold-const.c (fold_comparison): Handle obfuscated comparisons
7606         against INT_MIN/INT_MAX.
7607         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
7608         file if a loop is removed.
7609
7610 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
7611
7612         * calls.c (store_one_arg): Pass correct alignment to
7613         emit_push_insn for non-BLKmode values.
7614         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
7615         unaligned stack slot via a suitably aligned slot.
7616
7617 2007-02-08  DJ Delorie  <dj@redhat.com>
7618
7619         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
7620         warnings.
7621         (legal_subregs): Use unsigned char, make const.
7622         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
7623
7624 2007-02-08  Paul Brook  <paul@codesourcery.com>
7625
7626         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
7627         special interworking needed.
7628
7629 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
7630
7631         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
7632         conditional to __SSE2__.
7633         (Entries below should have been added to first ChangeLog
7634         entry for amdfam10 dated 2007-02-05)
7635         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
7636         defined.
7637         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
7638         defined.
7639         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
7640         defined.
7641
7642 2007-02-08  DJ Delorie  <dj@redhat.com>
7643
7644         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
7645         * config/m32c/m32c.c (legal_subregs): New.
7646         (m32c_illegal_subreg_p): New.
7647         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
7648         unsupported subregs of hard regs.
7649
7650 2007-02-08  Jan Hubicka  <jh@suse.cz>
7651
7652         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
7653         the same one; always update histograms.
7654
7655 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
7656
7657         * passes.c (init_optimization_passes): Tidy comment.
7658
7659 2007-02-08  Roger Sayle  <roger@eyesopen.com>
7660
7661         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
7662         strip zero_extend, bswap and rotates from POCOUNT's argument.
7663         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
7664         zero_extend and rotates from PARITY's argument.
7665         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
7666         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
7667         of an integer constant at compile-time.
7668
7669 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
7670
7671         PR 30562
7672         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
7673         Update all users.
7674         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
7675         users.
7676         (init_alias_info):
7677         * tree-ssa-live.c (remove_unused_locals): Do not remove
7678         TREE_ADDRESSABLE variables.
7679         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
7680         * tree-ssa-operands.c (add_virtual_operand): Remove argument
7681         FOR_CLOBBER.  Update all users.
7682         If VAR has an associated alias set, add a virtual operand for
7683         it if no alias is found to conflict with the memory reference.
7684
7685 2007-02-07  Jan Hubicka  <jh@suse.cz>
7686             Robert Kidd <rkidd@crhc.uiuc.edu>
7687
7688         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
7689
7690 2007-02-07  Ian Lance Taylor  <iant@google.com>
7691
7692         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
7693
7694 2007-02-07  Roger Sayle  <roger@eyesopen.com>
7695
7696         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
7697         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
7698         tablejumpdi, movsi_to_cr_one): Remove constraints from
7699         define_expand's match_operands.
7700
7701 2007-02-07  Roger Sayle  <roger@eyesopen.com>
7702
7703         * global.c (compute_regsets): Move declatation of "i" inside of
7704         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
7705
7706 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
7707
7708         PR c++/30703
7709         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
7710         of INDIRECT_REF <RESULT_DECL>.
7711
7712         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
7713
7714 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
7715             Kaz Kojima  <kkojima@gcc.gnu.org>
7716
7717         PR target/29746
7718         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
7719         properly.
7720         (sh_initialize_trampoline): Add parentheses to avoid a warning.
7721
7722 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
7723
7724         * doc/loop.texi: Document possibility not to perform disambiguation
7725         of loops with multiple latches.
7726         * cfgloopmanip.c (alp_enum_p): Removed.
7727         (add_loop): Handle subloops.  Use get_loop_body_with_size.
7728         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
7729         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
7730         the new forwarder block.
7731         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
7732         Handle the case latch is NULL.
7733         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
7734         when marking loop exits.
7735         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
7736         be modified.
7737         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
7738         disambiguate_loops_with_multiple_latches.
7739         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
7740         before fix_loop_structure.
7741         * cfgloop.c: Include pointer-set.h and output.h.
7742         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
7743         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
7744         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
7745         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
7746         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
7747         disambiguate_multiple_latches, get_loop_body_with_size,
7748         disambiguate_loops_with_multiple_latches): New functions.
7749         (flow_loop_dump): Dump multiple latch edges.
7750         (flow_loop_nodes_find): Handle loops with multiple latches.
7751         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
7752         (glb_enum_p): Modified.
7753         (get_loop_body): Use get_loop_body_with_size.
7754         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
7755         (AVOID_CFG_MODIFICATIONS): New constant.
7756         (disambiguate_loops_with_multiple_latches, add_loop,
7757         get_loop_body_with_size): Declare.
7758         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
7759
7760 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
7761
7762         PR inline-asm/28686
7763         * global.c (compute_regsets): New function.
7764         (global_alloc): Refactored ELIMINABLE_REGSET
7765         and NO_GLOBAL_ALLOC_REGS computation out.
7766         (rest_of_handle_global_alloc): Call compute_regsets()
7767         for non-optimizing case.
7768
7769 2007-02-06  Richard Henderson  <rth@redhat.com>
7770
7771         * config/i386/constraints.md (Y2): Rename from Y.
7772         (Yi): New constraint.
7773         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
7774         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
7775         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
7776         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
7777         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
7778         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
7779         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
7780         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
7781         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
7782         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
7783         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
7784         vec_extractv2si_1): Change Y constraints to Y2.
7785         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
7786         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
7787         Change Y constraints to Y2.
7788         (sse2_loadld): Change Y constraints to x.
7789
7790 2007-02-06  Roger Sayle  <roger@eyesopen.com>
7791
7792         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
7793         (parity<mode>2): New define_expand using rs6000_emit_parity.
7794         * config/rs6000/rs6000.c (rs6000_emit_popcount,
7795         rs6000_emit_parity): New functions.
7796         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
7797         rs6000_emit_parity): Prototype here.
7798
7799 2007-02-06  Ian Lance Taylor  <iant@google.com>
7800
7801         * lower-subreg.c (simple_move_operand): Reject CONST.
7802         (resolve_clobber): Call validate_change rather than directly
7803         assigning to XEXP (pat, 0).
7804
7805 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
7806
7807         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
7808         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
7809         (tree-cfg.o): Remove hashtab.h dependency.
7810
7811         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
7812         (struct ivopts_data): Change niters to pointer_map_t.
7813         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
7814         (niter_for_exit): Create pointer_map on demand.  Change for
7815         pointer_map API.
7816         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
7817         (free_loop_data): Destroy data->niters if created and reset field.
7818         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
7819         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
7820
7821         * tree-ssa-reassoc.c: Include pointer-set.h.
7822         (bb_rank): Change to long *.
7823         (operand_rank): Change to pointer_map_t.
7824         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
7825         (insert_operand_rank): Accept long.
7826         (operand_entry_hash, operand_entry_eq): Remove.
7827         (get_rank): Return long.  Adjust for changes above.
7828         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
7829         and operand_rank.
7830         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
7831
7832         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
7833         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
7834         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
7835         is not NULL.
7836         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
7837         directly since it cannot be NULL.
7838         (get_vi_for_tree): Rewrite for pointer_map API.
7839         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
7840         (init_alias_vars): Create vi_for_tree as pointer_map.
7841         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
7842
7843         * tree-cfg.c: Don't include hashtab.h.
7844         (edge_to_cases): Declare as pointer_map.
7845         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
7846         Delete.
7847         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
7848         (start_recording_case_labels): Create edge_to_cases as pointer_map.
7849         (end_recoding_case_labels): Cleanup edge_to_cases manually before
7850         destroying it.
7851         (record_switch_edge): Delete.
7852         (get_cases_for_edge): Adjust for pointer_map API, inline
7853         record_switch_edge (rewritten for new API), remove goto.
7854
7855 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
7856
7857         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
7858         * tree-nested.c: Include pointer-set.h.
7859         (var_map_elt, var_map_eq, var_map_hash): Delete.
7860         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
7861         to pointer_map_t's.
7862         (nesting_info_bitmap_obstack): New.
7863         (lookup_field_for_decl): Adjust for pointer_map API.
7864         (lookup_tramp_for_decl): Adjust for pointer_map API.
7865         (get_nonlocal_debug_decl): Adjust for pointer_map API.
7866         (get_local_debug_decl): Adjust for pointer_map API.
7867         (convert_nl_goto_reference): Adjust for pointer_map API.
7868         (convert_nl_goto_receiver): Adjust for pointer_map API.
7869         (create_nesting_tree): Create outside GGC space.  Create bitmap on
7870         the new obstack.  Create field_map and var_map as pointer_maps.
7871         (free_nesting_tree): Adjust for changes to create_nesting_tree.
7872         (root): Delete.
7873         (lower_nested_functions): Move root here, no need to NULL it.
7874         Initialize and release the obstack.
7875
7876 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
7877
7878         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
7879         Remove prototypes and make them non-static.
7880         (struct tree_int_map): Remove.
7881         * tree.h (struct tree_int_map): Move here, turning TO into an
7882         unsigned int.
7883         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
7884
7885         * tree.h (TREE_COMPLEXITY): Remove.
7886         (struct tree_exp): Remove complexity field.
7887         * tree.c (build1_stat): Don't set it.
7888
7889 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
7890             Victor Kaplansky  <victork@il.ibm.com>
7891
7892         * tree-vectorizer.c (vect_is_simple_use): Support induction.
7893         (vect_is_simple_reduction): Support reduction with induction as
7894         one of the operands.
7895         (vect_is_simple_iv_evolution): Fix formatting.
7896         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
7897         formatting.  Don't mark induction phis for vectorization.
7898         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
7899         * tree-vect-transform.c (get_initial_def_for_induction): New function.
7900         (vect_get_vec_def_for_operand): Support induction.
7901         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
7902         induction case.
7903         (vectorizable_reduction): Support reduction with induction as one of
7904         the operands.
7905         (vectorizable_type_demotion): Use def-type of stmt argument rather
7906         than dummy def-type.
7907
7908         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
7909         flag_tree_scev_cprop.
7910         * common.opt (tree-scev-cprop): New flag.
7911
7912         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
7913         call to vect_get_new_vect_var.
7914
7915 2007-02-06  Ira Rosen  <irar@il.ibm.com>
7916
7917         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
7918         vectype is not NULL.
7919         (vect_pattern_recog_1): Likewise.
7920
7921 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7922
7923         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
7924         (fold_negate_expr): Likewise.
7925
7926 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
7927
7928         PR debug/30189
7929         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
7930         even if cv-qualification is the same.
7931
7932 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
7933
7934         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
7935         __enable_execute_stack on completion.
7936
7937 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7938
7939         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
7940         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
7941         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
7942         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
7943         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
7944         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
7945         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
7946         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
7947
7948 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7949
7950         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
7951         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
7952         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
7953         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
7954         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
7955         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
7956         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
7957         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
7958         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
7959         umuldi3_highpart_rex64, umulsi3_highpart_insn,
7960         umulsi3_highpart_zext, smuldi3_highpart_rex64,
7961         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
7962         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
7963         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
7964         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
7965         sqrtextenddfxf2_i387): Added amdfam10_decode.
7966
7967         * config/i386/athlon.md (athlon_idirect_amdfam10,
7968         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
7969         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
7970         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
7971         athlon_ivector_store_amdfam10): New define_insn_reservation.
7972         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
7973         amdfam10.
7974
7975 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7976
7977         * config/i386/athlon.md (athlon_call_amdfam10,
7978         athlon_pop_amdfam10, athlon_lea_amdfam10): New
7979         define_insn_reservation.
7980         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
7981         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
7982         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
7983
7984 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7985
7986         * config/i386/athlon.md (athlon_sseld_amdfam10,
7987         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
7988         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
7989
7990 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7991
7992         * config/i386/athlon.md (athlon_sseins_amdfam10): New
7993         define_insn_reservation.
7994         * config/i386/i386.md (sseins): Added sseins to define_attr type
7995         and define_attr unit.
7996         * config/i386/sse.md: Set type attribute to sseins for insertq
7997         and insertqi.
7998
7999 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8000
8001         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
8002         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
8003         ssecomi_load_amdfam10, ssecomi_amdfam10,
8004         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
8005         define_insn_reservation.
8006         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
8007
8008 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8009
8010         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
8011         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
8012         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
8013         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
8014         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
8015         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
8016         define_insn_reservation.
8017
8018         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
8019         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
8020         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
8021         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
8022         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
8023
8024 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8025
8026         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
8027         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
8028         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
8029         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
8030         athlon_ssemul_load_k8): Added amdfam10.
8031
8032 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8033
8034         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
8035         (x86_sse_unaligned_move_optimal): New variable.
8036
8037         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
8038         m_AMDFAM10.
8039         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
8040         for unaligned vector SSE double/single precision loads for AMDFAM10.
8041
8042 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8043
8044         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
8045         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
8046         Define TARGET_CPU_DEFAULT_amdfam10.
8047         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
8048         (processor_type): Add PROCESSOR_AMDFAM10.
8049
8050         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
8051         processor_type in config/i386/i386.h.
8052         Enable imul peepholes for TARGET_AMDFAM10.
8053
8054         * config.gcc: Add support for --with-cpu option for amdfam10.
8055
8056         * config/i386/i386.c (amdfam10_cost): New variable.
8057         (m_AMDFAM10): New macro.
8058         (m_ATHLON_K8_AMDFAM10): New macro.
8059         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
8060         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
8061         x86_promote_QImode, x86_integer_DFmode_moves,
8062         x86_partial_reg_dependency, x86_memory_mismatch_stall,
8063         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
8064         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
8065         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
8066         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
8067         Enable/disable for amdfam10.
8068         (override_options): Add amdfam10_cost to processor_target_table.
8069         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
8070         processor_alias_table.
8071         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
8072         (ix86_adjust_cost): Add code for amdfam10.
8073
8074 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8075
8076         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
8077         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
8078         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
8079         * config/i386/i386.h: Add builtin definition for SSE4A.
8080         * config/i386/i386.md: Add support for ABM instructions
8081         (popcnt and lzcnt).
8082         * config/i386/sse.md: Add support for SSE4A instructions
8083         (movntss, movntsd, extrq, insertq).
8084         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
8085         Add -march=amdfam10 flag.
8086         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
8087         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
8088         and amdfam10.
8089         * doc/extend.texi: Add documentation for SSE4A builtins.
8090
8091 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
8092
8093         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
8094
8095 2007-02-05  Richard Guenther  <rguenther@suse.de>
8096
8097         * tree-vectorizer.h (vectorizable_function): Add argument type
8098         argument, change return type.
8099         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
8100         * tree-vect-transform.c (vectorizable_function): Handle extra
8101         argument, return vectorized function decl.
8102         (build_vectorized_function_call): Remove.
8103         (vectorizable_call): Handle calls with result and argument types
8104         differing.  Handle loop vectorization factor correctly.
8105         * targhooks.c (default_builtin_vectorized_function): Adjust for
8106         extra argument.
8107         * targhooks.h (default_builtin_vectorized_function): Likewise.
8108         * target.h (builtin_vectorized_function): Add argument type
8109         argument.
8110         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
8111         extra argument, allow vectorizing of lrintf.
8112         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
8113         documentation of target hook.
8114
8115 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
8116
8117         PR target/30665
8118         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
8119         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
8120         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
8121
8122 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8123
8124         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
8125         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
8126         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
8127         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
8128         before canonicalizing sincos to cexpi.
8129         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
8130
8131 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8132
8133         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
8134         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
8135         (alpha_init_builtins): Use alpha_add_builtins to process tables.
8136
8137 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8138
8139         * mips-tfile.c (initialize_init_file): Correct endianness test.
8140
8141 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
8142
8143         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
8144         the 'y' constraint.
8145
8146 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8147
8148         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
8149         saves in a PARALLEL before the register assignments.
8150
8151 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8152
8153         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
8154         DWARF_FRAME_RETURN_COLUMN to be a general register.
8155         * dwarf2out.c (init_return_column_size): New function, split from...
8156         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
8157         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
8158         to be nongeneral registers.
8159         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
8160         integer registers.
8161         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
8162         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
8163
8164 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8165
8166         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
8167
8168 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8169
8170         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
8171         (remove_path): Use can_remove_branch_p and remove_branch instead
8172         of loop_delete_branch_edge.
8173         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
8174         (tree_transform_and_unroll_loop): Remove dead branches immediately.
8175         Update profile using scale_dominated_blocks_in_loop.
8176         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
8177         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
8178         (can_remove_branch_p, remove_branch): Declare.
8179         * tree-cfg.c (tree_can_remove_branch_p): New function.
8180         (tree_cfg_hooks): Add tree_can_remove_branch_p.
8181         * cfgrtl.c (rtl_can_remove_branch_p): New function.
8182         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
8183
8184 2007-02-05  Jan Hubicka  <jh@suse.cz>
8185
8186         PR middle-end/30696
8187         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
8188         nodes in cgraph, don't remove offline copy of the function.
8189
8190 2007-02-04  Jan Hubicka  <jh@suse.cz>
8191
8192         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
8193         vectors might cause maybe_lookup_element_for_expr to be called
8194         on non-sra-candidate.
8195
8196 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8197
8198         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
8199         config/bfin/bfin.md, config/bfin/predicates.md: Follow
8200         spelling conventions.
8201
8202 2007-02-04  Richard Guenther  <rguenther@suse.de>
8203
8204         PR middle-end/30636
8205         * fold-const.c (try_move_mult_to_index): Make sure to not
8206         overflow one dimension of a multi-dimensional array access.
8207
8208 2007-02-04  Jan Hubicka  <jh@suse.cz>
8209
8210         * passes.c (init_optimization_passes): Reindent.
8211
8212 2007-02-04  Jan Hubicka  <jh@suse.cz>
8213             Eric Botcazou  <ebotcazou@adacore.com>
8214
8215         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
8216         (execute_fixup_cfg): Break out the abnormal goto code.
8217         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
8218         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
8219         (optimize_inline_calls): Call make_nonlocal_label_edges.
8220
8221 2007-02-04  Jan Hubicka  <jh@suse.cz>
8222
8223         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
8224         true when something was changed.
8225         (rename_ssa_copies): When something was changed, do
8226         TODO_remove_unused_locals.
8227         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
8228         add TODO_remove_unused_locals when instruction was removed.
8229
8230 2007-02-04  Jan Hubicka  <jh@suse.cz>
8231
8232         * ipa-inline.c (try_inline): Improve debug output; work on already
8233         inline edges too.
8234         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
8235         call try_inline for already inlined edges too when flattening;
8236         inline also functions that make callee growth but overall unit size
8237         reduce.
8238
8239 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8240
8241         * config/m32c/bitops.md, config/m32c/jump.md,
8242         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
8243         config/m32r/m32r.h, config/m32r/m32r.md,
8244         config/m32r/predicates.md, config/m68hc11/larith.asm,
8245         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
8246         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
8247         config/mips/mips-protos.h, config/mips/mips.c,
8248         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
8249         config/mn10300/mn10300.h, config/mn10300/predicates.md,
8250         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
8251         spelling conventions.
8252
8253         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
8254         Follow spelling conventions.
8255
8256 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
8257
8258         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
8259         warn about C++0x compatibility.
8260
8261 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8262
8263         * config/h8300/h8300.c, config/h8300/h8300.h,
8264         config/h8300/h8300.md: Follow spelling conventions.
8265
8266 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
8267
8268         PR middle-end/30667
8269         * combine.c (try_combine): Do not substitute source operand
8270         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
8271
8272 2007-02-03  Jan Hubicka  <jh@suse.cz>
8273
8274         PR gcov-profile/30650
8275         * value-prof.c (stringop_block_profile): Fix handling of size counter;
8276         do not divide by zero for never executed counters.
8277         (tree_find_values_to_profile): Fix counters.
8278         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
8279
8280 2007-02-03  Ian Lance Taylor  <iant@google.com>
8281
8282         * lower-subreg.c (simple_move_operand): New static function,
8283         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
8284         operands.
8285         (simple_move): Call simple_move_operand.
8286         (find_decomposable_subregs): Add special handling of MEMs.
8287         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
8288         meaning of return value.  If we see a hard register, test whether
8289         it can store a word_mode value.  Change all callers.
8290
8291 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8292
8293         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
8294         ftrapv insns and expanders.
8295         (subdi3): Change define_expand operand 1 to arith11_operand, and
8296         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
8297         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
8298         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
8299         respectively.
8300
8301         PR middle-end/30174
8302         * varasm.c (notice_global_symbol): Treat global objects as weak when
8303         flag_shlib is true.
8304
8305 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8306
8307         * emit-rtl.c (dconstpi): Delete.
8308         (dconstsqrt2): New.
8309         (init_emit_once): Delete dconstpi and init dconstsqrt2.
8310         * real.h (dconstpi): Delete.
8311         (dconstsqrt2): New.
8312         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
8313         (fold_builtin_hypot): Likewise.
8314
8315 2007-02-03  Tom Tromey  <tromey@redhat.com>
8316
8317         PR driver/30246
8318         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
8319         -gcoff3, -gxcoff3, -gvms3 implies -dD.
8320
8321 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
8322
8323         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
8324         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
8325         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
8326         config/rs6000/cell.md, config/rs6000/darwin.h,
8327         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
8328         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
8329         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
8330         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
8331         typos.  Follow spelling conventions.
8332         * doc/invoke.texi: Follow spelling conventions.
8333
8334 2007-02-03  Roger Sayle  <roger@eyesopen.com>
8335
8336         * simplify-rtx.c (simplify_relational_operation_1): Implement some
8337         canonicalization transformations that attempt to simplify integer
8338         constant comparisons to become comparisons against zero.
8339
8340 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8341
8342         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
8343         fabs(x)*sqrt(2).
8344         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
8345         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
8346
8347 2007-02-02  Mike Stump  <mrs@apple.com>
8348
8349         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
8350         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
8351         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
8352         generate a branch island.
8353
8354 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
8355
8356         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
8357         (xtensa_legitimate_address_p): New.
8358         (xtensa_legitimize_address): New.
8359         (xtensa_output_addr_const_extra): New.
8360         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
8361         (BASE_REG_P): New.
8362         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
8363         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
8364         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
8365         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
8366         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
8367         (xtensa_legitimize_address): New.
8368         (xtensa_output_addr_const_extra): New.
8369
8370 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
8371
8372         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
8373
8374 2007-02-02  Ian Lance Taylor  <iant@google.com>
8375
8376         * expmed.c (expand_divmod): Add comment.
8377
8378 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
8379
8380         * emit-rtl.c (renumber_insns): Remove.
8381         * flags.h: Remove the extern for flag_renumber_insns.
8382         * rtl.h: Remove the prototype for renumber_insns.
8383         * toplev.c (flag_renumber_insns): Remove.
8384
8385 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
8386
8387         Revert for x86 darwin:
8388         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
8389
8390         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
8391         code before the following patch under TARGET_MACHO.
8392         (ix86_function_value_regno_p): Likewise.
8393
8394 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8395
8396         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
8397         COMPLEX_EXPR.
8398
8399 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8400
8401         PR target/29682
8402         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
8403         general or fp registers.  Add comments.
8404         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
8405
8406 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
8407
8408         * pointer-set.c (insert_aux): Only return insertion slot.
8409         (pointer_set_insert): Adjust.
8410         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
8411         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
8412         pointer_map_traverse): New.
8413         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
8414         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
8415         pointer_map_contains, pointer_map_traverse): Declare.
8416
8417 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
8418
8419         PR middle-end/30473
8420         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
8421         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
8422
8423 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8424
8425         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
8426
8427         (struct _dep): New type.
8428         (dep_t): New typedef.
8429         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
8430         (DEP_STATUS): New access macro.  The macro with the same name was
8431         renamed to DEP_LINK_STATUS.
8432         (dep_init): Declare function
8433
8434         (struct _dep_link): New type.
8435         (dep_link_t): New typedef.
8436         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
8437         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
8438         (DEP_LINK_STATUS): New macro.
8439         (debug_dep_links): New debug function.
8440
8441         (struct _deps_list): New type.
8442         (deps_list_t): New typedef.
8443         (DEPS_LIST_FIRST): New access macro.
8444         (FOR_EACH_DEP_LINK): New cycle macro.
8445         (create_deps_list, free_deps_list, delete_deps_list): Declare
8446         functions.
8447         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
8448         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
8449         (copy_deps_list_change_con): Ditto.
8450
8451         (move_dep_link): Declare function.
8452
8453         (struct _dep_node): New type.
8454         (dep_node_t): New typedef.
8455         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
8456
8457         (struct haifa_insn_data.back_deps): New field to hold backward
8458         dependencies of the insn.
8459         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
8460         to deps_list_t.
8461         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
8462         Change its type to deps_list_t.
8463         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
8464         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
8465         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
8466
8467         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
8468
8469         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
8470
8471         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
8472         all callers.
8473         (dep_cost): Declare.
8474
8475         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
8476         (ds_to_dk, dk_to_ds): New functions.
8477
8478         (init_dep_1): New static function.
8479         (init_dep): New function.
8480         (copy_dep): New static function.
8481
8482         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
8483         functions.
8484         (detach_dep_link): New static function.
8485         (move_dep_link): New function.
8486
8487         (dep_links_consistent_p, dump_dep_links): New static functions.
8488         (debug_dep_links): New debugging function.
8489
8490         (deps_obstack, dl_obstack, dn_obstack): New static variables.
8491
8492         (alloc_deps_list, init_deps_list): New static functions.
8493         (create_deps_list): New function.
8494         (clear_deps_list): New static function.
8495         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
8496         (deps_list_consistent_p, dump_deps_list): New static functions.
8497         (debug_deps_list): New function.
8498         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
8499         functions.
8500         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
8501
8502         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
8503         use new scheduler dependencies lists.
8504         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
8505         (sched_analyze): Ditto.  Initialize dependencies lists.
8506         (add_forw_dep, compute_forward_dependences): Update to use new
8507         scheduler dependencies lists.
8508
8509         (init_dependency_caches): Init deps_obstack.
8510         (free_dependency_caches): Free deps_obstack.
8511
8512         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
8513         new scheduler dependencies lists.
8514         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
8515         (add_back_forw_dep, delete_back_forw_dep): Ditto.
8516
8517         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
8518         Update to use new scheduler dependencies lists.
8519         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
8520         (debug_dependencies): Ditto.
8521         (schedule_region): Update comments.
8522
8523         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
8524         scheduler dependencies lists.
8525         (schedule_ebb): Update comments.
8526
8527         * rtl.def (DEPS_LIST): Remove.
8528
8529         * lists.c (unused_deps_list): Remove.
8530         (free_list): Update assertions.
8531
8532         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
8533         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
8534
8535         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
8536         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
8537
8538         * haifa-sched.c (comments): Update.
8539         (insn_cost1): Remove.  Inline the code into insn_cost ().
8540         (insn_cost): Update to use new scheduler dependencies lists.  Move
8541         processing of the dependency cost to dep_cost ().
8542         (dep_cost): New function.  Use it instead of insn_cost () when
8543         evaluating cost of the dependency.  Use compatible interface to
8544         interact with the target.
8545         (priority): Update to use new scheduler dependencies lists.
8546         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
8547         with greater number of insns that depend on the insn.
8548         (schedule_insn): Update to use new scheduler dependencies lists.  Add
8549         code to free backward dependencies lists.  Inline and optimize code
8550         from resolve_dep () - see PR28071.
8551         (ok_for_early_queue_removal): Update to use new scheduler dependencies
8552         lists.  Update call to targetm.sched.is_costly_dependence hook.
8553
8554         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
8555         scheduler dependencies lists.
8556
8557         (resolve_dep): Remove.  Move the logic to schedule_insn ().
8558         (init_h_i_d): Initialize dependencies lists.
8559
8560         (process_insn_depend_be_in_spec): Rename to
8561         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
8562         dependencies lists.
8563         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
8564         Update to use new scheduler dependencies lists.
8565         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
8566
8567         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
8568         new scheduler dependencies lists.
8569         (build_intra_loop_deps): Ditto.
8570
8571         * target.h (struct _dep): Declare to use in
8572         gcc_target.sched.is_costly_dependence.
8573         (struct gcc_target.sched.adjust_cost): Fix typo.
8574         (struct gcc_target.sched.is_costly_dependence): Change signature to use
8575         single dep_t parameter instead of an equivalent triad.
8576         (struct gcc_target.sched.adjust_cost_2): Remove.
8577
8578         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
8579
8580         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
8581
8582         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
8583         documentation.
8584         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
8585
8586         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
8587         (REG_DEP_TRUE): Document.
8588
8589         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
8590         Change signature to correspond to the targetm.sched.adjust_cost hook.
8591         Update use in TARGET_SCHED_ADJUST_COST_2.
8592         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
8593         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
8594         new scheduler dependencies lists.
8595         (ia64_gen_check): Ditto.
8596
8597         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
8598         dependencies lists.
8599
8600         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
8601         signature to correspond to the targetm.sched.is_costly_dependence hook.
8602         (is_costly_group): Update to use new scheduler dependencies lists.
8603
8604         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
8605         instead of INSN_COST () macro.
8606
8607 2007-02-01  Ian Lance Taylor  <iant@google.com>
8608
8609         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
8610
8611 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
8612
8613         * pa.md (tp_load): Correct mfctl instruction syntax.
8614
8615 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
8616
8617         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
8618         altivec_padding_size calculation on AIX.  Improve comment, add
8619         assert to verify that it's right.
8620
8621         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
8622         64-bit.
8623
8624 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
8625
8626         PR inline-asm/28686
8627         * global.c (global_alloc): Add mising initialization of
8628         ELIMINABLE_REGSET.
8629
8630 2007-02-01  Roger Sayle  <roger@eyesopen.com>
8631
8632         * alias.c (init_alias_analysis): Correct whitespace.
8633         * bb-reorder.c (fix_edges_for_rarely_executed_code,
8634         partition_hot_cold_basic_blocks): Likewise.
8635         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
8636         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
8637         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
8638         fold_builtin_snprintf_chk, fold_builtin_printf,
8639         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
8640         do_mpfr_arg3, do_mpfr_sincos): Likewise.
8641         * cfgcleanup.c (cleanup_cfg): Likewise.
8642         * cfgexpand.c (tree_expand_cfg): Likewise.
8643         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
8644         * function.c (get_next_funcdef_no): Likewise.
8645         * gengtype.c (main): Likewise.
8646         * genmodes.c (main): Likewise.
8647         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
8648         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
8649         * ifcvt.c (noce_emit_move_insn): Likewise.
8650         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
8651         Likewise.
8652         * stor-layout.c (get_best_mode): Likewise.
8653         * tree-ssa-loop-niter.c (get_val_for): Likewise.
8654         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
8655         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
8656         perform_var_substitution, solve_graph): Likewise.
8657         * tree-vrp.c (vrp_finalize): Likewise.
8658
8659 2007-02-01  Ian Lance Taylor  <iant@google.com>
8660
8661         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
8662         high part of a paradoxical subreg, return a constant zero.
8663
8664 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
8665
8666         * toplev.c (lang_dependent_init): Call init_set_costs.
8667         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
8668
8669 2007-02-01  Richard Guenther  <rguenther@suse.de>
8670
8671         PR middle-end/30656
8672         * fold-const.c (fold_negate_expr): Allow negating a
8673         constant if overflow does not change.
8674
8675 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8676
8677         * doc/c-tree.texi (Expression trees): Improve markup.
8678         * doc/tm.texi (Register Classes, Addressing Modes)
8679         (Floating Point): Fix spacing after abbreviations.  Fix some
8680         typos.
8681
8682 2007-02-01  Ben Elliston  <bje@au.ibm.com>
8683
8684         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
8685         * doc/contrib.texi: Likewise.
8686         * doc/install.texi: Likewise.
8687
8688 2007-01-31  Richard Henderson  <rth@redhat.com>
8689             Ian Lance Taylor  <iant@google.com>
8690
8691         * lower-subreg.c: New file.
8692         * rtl.def (CONCATN): Define.
8693         * passes.c (init_optimization_passes): Add pass_lower_subreg and
8694         pass_lower_subreg2.
8695         * emit-rtl.c (update_reg_offset): New static function, broken out
8696         of gen_rtx_REG_offset.
8697         (gen_rtx_REG_offset): Call update_reg_offset.
8698         (gen_reg_rtx_offset): New function.
8699         * regclass.c: Revert patch of 2006-03-05, restoring
8700         reg_scan_update.
8701         (clear_reg_info_regno): New function.
8702         * dwarf2out.c (concatn_loc_descriptor): New static function.
8703         (loc_descriptor): Handle CONCATN.
8704         * common.opt (fsplit_wide_types): New option.
8705         * opts.c (decode_options): Set flag_split_wide_types when
8706         optimizing.
8707         * timevar.def (TV_LOWER_SUBREG): Define.
8708         * rtl.h (gen_reg_rtx_offset): Declare.
8709         (reg_scan_update): Declare.
8710         * regs.h (clear_reg_info_regno): Declare.
8711         * tree-pass.h (pass_lower_subreg): Declare.
8712         (pass_lower_subreg2): Declare.
8713         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
8714         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
8715         -fsplit-wide-types.
8716         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
8717         * Makefile.in (OBJS-common): Add lower-subreg.o.
8718         (lower-subreg.o): New target.
8719
8720 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
8721
8722         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
8723
8724 2007-01-31  Anatoly Sokolov <aesok@post.ru>
8725
8726         PR target/19087
8727         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
8728
8729 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8730
8731         PR middle-end/29335
8732         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
8733
8734 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
8735
8736         * cfgloop.h: Include vec-prim.h.
8737         (enum li_flags): Remove LI_ONLY_OLD.
8738         (loop_iterator): Changed.
8739         (fel_next, fel_init): Iterate over loop tree.
8740         (FOR_EACH_LOOP_BREAK): New macro.
8741         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
8742         FOR_EACH_LOOP.
8743         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
8744         * modulo-sched.c (sms_schedule): Ditto.
8745         * tree-vectorizer.c (vectorize_loops): Ditto.
8746         * doc/loop.texi: Update information on loop numbering and behavior of
8747         FOR_EACH_LOOP wrto new loops.
8748         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8749         add_to_evolution_1): Test nestedness of loops instead of comparing
8750         their numbers.
8751         * tree-chrec.c (chrec_fold_plus_poly_poly,
8752         chrec_fold_multiply_poly_poly, chrec_evaluate,
8753         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
8754         reset_evolution_in_loop): Ditto.
8755         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
8756
8757 2007-01-31  Dirk Mueller  <dmueller@suse.de>
8758
8759         * c-common.c (warn_about_parentheses): Separate warning about
8760         un-parenthized sequence of comparison operators from the one
8761         which is supposed to warn about x <= y <= z.
8762
8763 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
8764
8765         * optabs.h (enum optab_index): Add new OTI_isinf.
8766         (isinf_optab): Define corresponding macro.
8767         * optabs.c (init_optabs): Initialize isinf_optab.
8768         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
8769         patterns.
8770         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
8771         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
8772         using isinf_optab.
8773         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
8774         expand_builtin_interclass_mathfn.
8775         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
8776         * config/i386/i386.md (UNSPEC_FXAM): New constant.
8777         (fxam<mode>2_i387): New insn pattern.
8778         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
8779         built-in functions as x87 inline asm.
8780
8781 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
8782
8783         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
8784
8785 2007-01-30  Eric Christopher  <echristo@apple.com>
8786
8787         * config.gcc: Add geode.
8788
8789 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
8790
8791         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
8792         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
8793         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
8794         value-prof.c: Fix comment typos.
8795
8796 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8797
8798         PR c++/24745
8799         * doc/invoke.texi (Wpointer-arith): Document warning.
8800
8801 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
8802
8803         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
8804         the list of discrepancies from the draft TR.
8805
8806 2007-01-30  Dirk Mueller  <dmueller@suse.de>
8807
8808         PR c++/30601
8809         * doc/invoke.texi (-Wreturn-type): Update description to
8810         match new behavior.
8811
8812 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
8813
8814         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
8815
8816 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
8817
8818         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
8819         to handle optabs that operate on floating point input argument and
8820         output to integer output.
8821         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
8822         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
8823         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
8824         expand_builtin_interclass_mathfn ().
8825         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
8826         (ilogbsi2): Remove.
8827         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
8828         ilogbl built-in functions as x87 intrinsics.
8829
8830 2007-01-30  Richard Guenther  <rguenther@suse.de>
8831
8832         PR middle-end/27657
8833         * dwarf2out.c (reference_to_unused): Query varpool if the
8834         variable was output.
8835
8836 2007-01-30  Richard Guenther  <rguenther@suse.de>
8837
8838         PR middle-end/30313
8839         * passes.c (execute_one_pass): Reset in_gimple_form to not
8840         confuse non-unit-at-a-time mode.
8841
8842 2007-01-29  Roger Sayle  <roger@eyesopen.com>
8843             Richard Guenther  <rguenther@suse.de>
8844
8845         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
8846         avoid undefined behaviour on overflow.  Use force_fit_type_double
8847         to construct the constant with the specified TREE_OVERFLOW.
8848
8849 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
8850
8851         * config/dfp-bit.c: Add parameterized support for fp exceptions.
8852         * config/dfp-bit.h: Ditto.
8853
8854 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8855
8856         * c-decl.c (pop_scope): Replace warnings with call to
8857         warn_for_unused_label.
8858         * c-common.h (warn_for_unused_label): Declare.
8859         * c-common.c (warn_for_unused_label): Define.
8860
8861 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8862
8863         * tree-optimize.c (update_inlined_to_pointers): Delete unused
8864         function.
8865
8866 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
8867
8868         * Makefile.in (USER_H): Remove decfloat.h.
8869         * ginclude/decfloat.h: Delete, moving contents to ...
8870         * ginclude/float.h: Add support for decimal floating point,
8871         guarded by __STDC_WANT_DEC_FP__.
8872
8873 2007-01-29  Mike Stump  <mrs@apple.com>
8874
8875         * doc/gccint.texi (Top): Rename Loop Representation to Loop
8876         Analysis and Representation to resolve case insensitive conflict.
8877         * doc/loop.texi (Loop Analysis and Representation): Likewise.
8878
8879 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
8880
8881         * tree.h (struct tree_memory_tag): Add aliases member.
8882         (MTAG_ALIASES): New macro.
8883         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
8884         (add_may_alias): Remove pointer-set. Update for may_aliases being
8885         a bitmap.
8886         (mark_aliases_call_clobbered): Update for may_aliases being a
8887         bitmap.
8888         (compute_tag_properties): Ditto.
8889         (create_partition_for): Ditto.
8890         (compute_memory_partitions): Ditto.
8891         (dump_may_aliases_for): Ditto.
8892         (is_aliased_with): Ditto.
8893         (add_may_alias_for_new_tag): Ditto.
8894         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
8895         (compute_is_aliased): New function.
8896         (compute_may_aliases): Call compute_is_aliased).
8897         (init_alias_info): Initialize alias_bitmap_obstack.
8898         (union_alias_set_into): New function.
8899         (compute_flow_sensitive_aliasing): Use union_aliases_into.
8900         (have_common_aliases_p): Rewrite to take two bitmaps and use
8901         intersection.
8902         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
8903         Update for bitmaps.
8904         (finalize_ref_all_pointers): Update for add_may_alias changes.
8905         (new_type_alias): Ditto.
8906         * tree-flow-inline.h (may_aliases): Return a bitmap.
8907         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
8908         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
8909         may_aliases being a bitmap.
8910         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
8911         may_aliases now returns a bitmap.
8912         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
8913         being a bitmap.
8914         * tree-ssa-operands.c (add_virtual_operand): Update for
8915         may_aliases being a bitmap.
8916
8917 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
8918
8919         PR tree-optimization/30630
8920         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
8921         variable as changed.
8922
8923 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
8924
8925         PR c++/28266
8926         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
8927         expanded only once even if an error occurs.
8928
8929 2007-01-29  Ben Elliston  <bje@au.ibm.com>
8930
8931         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
8932         (__gcov_average_profiler): Likewise.
8933         (__gcov_ior_profiler): Likewise.
8934         (__gcov_merge_ior): Likewise.
8935
8936 2007-01-28  Jan Hubicka  <jh@suse.cz>
8937
8938         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
8939         * value-prof.c (stringop_block_profile): Likewise.
8940
8941 2007-01-28  Jan Hubicka  <jh@suse.cz>
8942
8943         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
8944         variant handling histograms; add wrapper.
8945         (clear_storage_via_libcall): Export.
8946         (emit_block_move_hints): Break out from ...; add histograms.
8947         (emit_block_move): ... this one.
8948         (clear_storage_hints): Break out from ...; add histograms.
8949         (clear_storage): ... this one.
8950         (set_storage_via_memset): Handle histogram.
8951         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
8952         (clear_storage_hints, clear_storage_via_libcall): Declare.
8953         (set_storage_via_setmem): Update prototype.
8954         * doc/md.texi (movmem, setmem): Document new arguments.
8955
8956         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
8957         new histograms.
8958         (stringop_block_profile): New global function.
8959         (tree_stringops_values_to_profile): Profile block size and alignment.
8960         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
8961         HIST_TYPE_IOR.
8962         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
8963         (stringop_block_profile): Declare.
8964         * builtins.c: Include value-prof.h.
8965         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
8966         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
8967         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
8968         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
8969         * profile.c (instrument_values): Add new counters.
8970         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
8971         calls.
8972         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
8973         (tree_init_edge_profiler): Build new profilers.
8974         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
8975         (pass_tree_profile): Add dump.
8976         (tree_profile_hooks): Update.
8977         * Makefile.in (LIBGCOV): Add new constants.
8978         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
8979         __gcov_ior_profiler): New.
8980         * i386.md (movmem/setmem expanders): Add new optional arguments.
8981
8982 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
8983
8984         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
8985
8986 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
8987
8988         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
8989         (tree_unswitch_single_loop): Pass eni_size_weights to
8990         tree_num_loop_insns.
8991         * tree-ssa-loop-manip.c: Include tree-inline.h.
8992         (can_unroll_loop_p): Pass eni_size_weights to
8993         tree_num_loop_insns.
8994         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
8995         Pass eni_size_weights to estimate_num_insns.
8996         * tree.h (init_inline_once): Export.
8997         * toplev.c (backend_init): Call init_inline_once.
8998         * cgraphunit.c (cgraph_process_new_functions,
8999         cgraph_analyze_function): Pass eni_inlining_weights to
9000         estimate_num_insns.
9001         * ipa-inline.c (compute_inline_parameters): Ditto.
9002         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
9003         to estimate_num_insns.
9004         (try_unroll_loop_completely): Pass eni_size_weights to
9005         tree_num_loop_insns.
9006         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
9007         ot estimate_num_insns.
9008         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
9009         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
9010         * tree-inline.c (eni_inlining_weights, eni_size_weights,
9011         eni_time_weights): New variables.
9012         (init_inline_once): Initialize them.
9013         (struct eni_data): Mew.
9014         (estimate_num_insns_1, estimate_num_insns): Use weights.
9015         * tree-inline.h (struct eni_weights_d): New.
9016         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
9017         (estimate_num_insns): Declaration changed.
9018         * cfgloop.h (tree_num_loop_insns): Declaration changed.
9019         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
9020         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
9021
9022 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9023
9024         * tree-data-ref.c (conflict_fn): Assert that the number of affine
9025         relations in the conflict function is valid.
9026
9027 2007-01-27  Ian Lance Taylor  <iant@google.com>
9028
9029         * common.opt: Add fstrict-overflow.
9030         * opts.c (decode_options): Set flag_strict_overflow if -O2.
9031         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
9032         (TYPE_OVERFLOW_UNDEFINED): Define.
9033         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
9034         Replace all uses.
9035         * tree.h (TYPE_TRAP_SIGNED): Don't define.
9036         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
9037         (fold_negate_expr): Likewise.
9038         (make_range): Likewise.
9039         (extract_muldiv_1): Likewise.
9040         (maybe_canonicalize_comparison): Likewise.
9041         (fold_comparison): Likewise.
9042         (fold_binary): Likewise.
9043         (tree_expr_nonnegative_p): Likewise.
9044         (tree_expr_nonzero_p): Likewise.
9045         * tree-vrp.c (compare_values): Likewise.
9046         (extract_range_from_binary_expr): Likewise.
9047         (extract_range_from_unary_expr): Likewise.
9048         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
9049         Likewise.
9050         (nowrap_type_p): Likewise.
9051         * tree-scalar-evolution.c (simple_iv): Likewise.
9052         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
9053         (build_range_check): Likewise.
9054         (extract_muldiv_1): Likewise.
9055         (fold_comparison): Likewise.
9056         * tree-vrp.c (vrp_int_const_binop): Likewise.
9057         (extract_range_from_unary_expr): Likewise.
9058         * convert.c (convert_to_integer): Likewise.
9059         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
9060         (fold_comparison): Likewise.
9061         (fold_binary): Likewise.
9062         * optabs.c (optab_for_tree_code): Likewise.
9063         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
9064         * simplify-rtx.c (simplify_const_relational_operation): Check
9065         flag_strict_overflow and flag_trapv.
9066         (simplify_const_relational_operation): Likewise.
9067         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
9068         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
9069         -fstrict-overflow.
9070
9071 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9072
9073         * tree.c (tree_fold_gcd): Delete.
9074         * tree.h (tree_fold_gcd): Remove prototype.
9075         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
9076         test whether one constant integer is a multiple of another.  Instead
9077         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
9078         * fold-const.c (multiple_of_p):  We've determined both TOP and
9079         BOTTOM are integer constants so we can call int_const_binop directly
9080         instead of the more generic const_binop.
9081
9082 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9083
9084         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
9085         1*X check that the constant hasn't overflowed, to preserve the
9086         TREE_OVERFLOW bit.
9087         (round_up): Provide an efficient implementation when rouding-up an
9088         INTEGER_CST to a power-of-two.
9089
9090 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9091
9092         * doc/sourcebuild.texi: Add comma for clarity.
9093         * doc/extend.texi: Fix some typos.
9094         * doc/passes.texi: Likewise.
9095         * doc/cppinternals.texi: Likewise.
9096         * doc/c-tree.texi: Likewise.
9097         * doc/tree-ssa.texi: Likewise.
9098         * doc/install.texi: Likewise.
9099
9100 2007-01-27  Jan Hubicka  <jh@suse.cz>
9101
9102         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
9103         (pass_sra): Do not require alias information.
9104         * passes.c (init_optimization_passes): Add SRA
9105
9106 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
9107
9108         * tracer.c (rest_of_handle_tracer): We already cleaned
9109         up the CFG in tracer() so don't do it here again.
9110         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
9111         cleanup_cfg here, either.  And don't call renumber_insns.
9112
9113         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
9114         and BB_HEAD are in the insn stream here.  Instead make sure
9115         that BB_INSN is valid on all insns.  Also, do check here that
9116         there are no pending branch predictions...
9117         (rtl_verify_flow_info): ...instead of doing it here.  Checks
9118         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
9119         here.
9120
9121 2007-01-26  Roger Sayle  <roger@eyesopen.com>
9122
9123         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
9124         function to simplify/factorize operand order canonicalization.
9125         (ix86_fixup_binary_operands): Reorganize using the above function.
9126         (ix86_binary_operator_ok): Likewise.
9127
9128 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
9129
9130         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
9131         file scope from optimize_attrs.
9132         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
9133         up search.
9134         (optimize_attrs): Clear insn_code_values after freeing it.
9135
9136 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9137
9138         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
9139         a parts.base assignment.
9140
9141 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9142
9143         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
9144         (compute_subscript_distance, initialize_data_dependence_relation,
9145         finalize_ddr_dependent, analyze_ziv_subscript,
9146         analyze_siv_subscript_cst_affine,
9147         compute_overlap_steps_for_affine_univar,
9148         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
9149         analyze_siv_subscript, analyze_miv_subscript,
9150         analyze_overlapping_iterations, subscript_dependence_tester_1,
9151         compute_self_dependence, free_dependence_relation): Work
9152         with affine_fn instead of chrecs.
9153         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
9154         common_affine_function, affine_function_base,
9155         affine_function_constant_p, affine_fn_op, affine_fn_plus,
9156         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
9157         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
9158         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
9159         (all_chrecs_equal_p): Removed.
9160         * tree-data-ref.h (affine_fn, conflict_function): New types.
9161         (struct subscript): Change type of conflicting_iterations_in_a
9162         and conflicting_iterations_in_b.
9163
9164 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
9165
9166         PR other/30182
9167         * config/pa/pa.h (TARGET_HPUX_11): New.
9168         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
9169         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
9170
9171 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
9172         Richard Guenther  <rguenther@suse.de>
9173
9174         * tree-ssa-structalias.c (solve_graph): Handle case
9175         we merged the variable to another.
9176
9177 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9178
9179         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
9180         functions.
9181
9182         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
9183         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
9184
9185 2007-01-25  DJ Delorie  <dj@redhat.com>
9186
9187         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
9188         allow changes to modes which don't fit in those registers.
9189
9190         * reload1.c (choose_reload_regs): Check for invalid subregs before
9191         computing their locations, not after.
9192
9193 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
9194
9195         PR 25127
9196         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
9197         save Altivec registers in an eh_return function.
9198         (compute_vrsave_mask): Likewise.
9199         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
9200         for saving Altivec registers.
9201         (rs6000_emit_prologue): Don't allocate stack twice in
9202         eh_return function.  Correct expected value of altivec_save_offset
9203         when using save_world.  Describe save of R0 to stack when using
9204         save_world.  Describe stack pointer adjustment when using
9205         save_world.  Remove duplicated eh_return parameter register saving.
9206         Update sp_offset variable after save_world.
9207         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
9208         darwin-world.asm.
9209         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
9210         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
9211         implies Altivec.
9212
9213 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9214
9215         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
9216
9217 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9218
9219         PR other/30182
9220         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
9221         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
9222
9223 2007-01-25  Richard Guenther  <rguenther@suse.de>
9224
9225         * doc/invoke.texi (-Wcoverage-mismatch): Document.
9226         * common.opt (-Wcoverage-mismatch): New warning option.
9227         * coverage.c (get_coverage_counts): Ignore coverage mismatch
9228         if -Wcoverage-mismatch is given.
9229
9230 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
9231
9232         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
9233         (ipcp_driver): Change to static definition.
9234         Add dumping of the ifunctions.
9235         (constant_val_insert): Remove unused parameter. Support for SSA.
9236         (ipcp_propagate_const): Support for SSA.
9237         (ipcp_profile_bb_print): Print only analyzed nodes.
9238         (ipcp_replace_map_create): Remove support for Fortran constant
9239         for now.
9240         * ipa-prop.c (ipa_method_modify_stmt,
9241         ipa_callsite_compute_param): Support for SSA.
9242         * ipa-prop.h (ipcp_driver): Remove declaration.
9243         (IS_VALID_TREE_MAP_INDEX): Add define.
9244
9245 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
9246
9247         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
9248
9249 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9250
9251         PR middle-end/30447
9252         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
9253         constant argument to cabs and do it without checking for
9254         -funsafe-math-optimizations.
9255
9256 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
9257
9258         * c-common.h (RID_FIRST_CXX0X): New.
9259         (RID_LAST_CXX0X): New.
9260         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
9261         by -Wall.
9262         * c.opt (Wc++0x-compat): New.
9263         * doc/invoke.texi (-Wc++0x-compat): Document.
9264
9265 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9266
9267         * builtins.c (fold_builtin_carg): New.
9268         (fold_builtin_1): Use it.
9269
9270 2007-01-24  Jan Hubicka  <jh@suse.cz>
9271
9272         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
9273
9274         * ipa-inline.c (initial_insns, max_insns): Delete.
9275         (compute_max_insns): New function.
9276         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
9277         of insns as base for code growth.
9278         (cgraph_decide_inlining): Make initial_insns local; do not compute
9279         max_insns.
9280         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
9281         * doc/invoke.texi (inline-unit-growth): Update docs.
9282
9283 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
9284
9285         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
9286         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
9287         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
9288         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
9289         for CPUs that have PTA_CX16 set.
9290
9291         PR middle-end/27416
9292         * gimplify.c (omp_check_private): New function.
9293         (gimplify_scan_omp_clauses): Use it for
9294         firstprivate/lastprivate/reduction.
9295
9296         PR middle-end/30494
9297         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
9298         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
9299
9300         PR middle-end/30421
9301         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
9302         If lower_lastprivate_clauses emits some statements, append them
9303         to dlist rather than body_p and to body_p append an initializer.
9304         (lower_omp_for): Adjust caller.
9305
9306 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
9307
9308         * target.h (globalize_decl_name): New.
9309         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9310         * output.h (default_globalize_decl_name): New.
9311         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
9312         globalize_label.
9313         (globalize_decl): Ditto.
9314         (default_globalize_decl_name): New.
9315         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
9316         (ia64_handle_version_id_attribute): New.
9317         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9318         (ia64_asm_output_external): Use globalize_decl_name instead
9319         of globalize_label.
9320         * doc/extend.texi (version_id): New pragma.
9321         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
9322
9323 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9324
9325         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
9326         _uleb128_t and _Unwind_SWord with _sleb128_t.
9327         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
9328         uw_frame_state_for, uw_update_context_1): Likewise.
9329         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
9330         * unwind-pe.h (read_uleb128, read_sleb128,
9331         read_encoded_value_with_base): Likewise.
9332         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
9333
9334 2007-01-24  Richard Guenther  <rguenther@suse.de>
9335
9336         * builtins.c (expand_builtin_cexpi): Get the fndecl
9337         for cexp in the correct way.
9338
9339 2007-01-24  Jan Hubicka  <jh@suse.cz>
9340
9341         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
9342
9343 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9344
9345         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
9346         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
9347         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
9348         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
9349         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
9350         __SIZEOF_PTRDIFF_T__.
9351         * doc/cpp.texi: Documentation for the new builtin macros added.
9352
9353 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
9354
9355         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
9356         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
9357         instead of operands[2] to avoid access past the end of array.
9358
9359 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
9360
9361         * reload1.c (emit_reload_insns): Pass the reload register
9362         for a non-spill output reload through forget_old_reloads_1.
9363
9364 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
9365
9366         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
9367         _SOFT_DOUBLE if doubles use software floating-point.
9368         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
9369         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9370         * config/rs6000/darwin-ldouble.c: Also compile functions for
9371         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
9372         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9373         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
9374         commented-out long double override.
9375         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
9376         * config/rs6000/eabispe.h: Likewise.
9377         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
9378         long double for non-SPE.
9379         (rs6000_handle_option): Likewise.
9380         (invalid_e500_subreg): Disallow more subregs involding DImode,
9381         DFmode, TImode or TFmode.
9382         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
9383         E500 double.
9384         (legitimate_lo_sum_address_p): Also check for TFmode for E500
9385         double.
9386         (rs6000_legitimize_address): Also handle TFmode for E500 double.
9387         (rs6000_legitimize_reload_address): Also handle TFmode for E500
9388         double.
9389         (rs6000_legitimate_address): Also check for TFmode for E500
9390         double.
9391         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
9392         (spe_build_register_parallel): Handle TFmode and TCmode.
9393         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
9394         double.
9395         (function_arg): Handle TFmode and TCmode for E500 double.
9396         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
9397         in general.
9398         (print_operand): Handle TFmode and TImode for %y.
9399         (rs6000_generate_compare): Handle TFmode comparisons for E500
9400         double.
9401         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
9402         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
9403         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
9404         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
9405         TFmode for E500 double.
9406         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
9407         (floatsidf2): Enable for E500 double.
9408         (movtf_softfloat): Use rs6000_nonimmediate_operand.
9409         (extenddftf2): Change to extenddftf2_fprs.
9410         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
9411         depending on TARGET_E500_DOUBLE.
9412         (extendsftf2): Enable for E500 double.
9413         (trunctfdf2): Enable for E500 double.
9414         (trunctfsf2): Change to trunctfsf2_fprs.
9415         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
9416         depending on TARGET_E500_DOUBLE.
9417         (floatsitf2): Enable for E500 double.
9418         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
9419         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
9420         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
9421         (negtf2): Change to negtf2_internal.
9422         (negtf2): New expander.
9423         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
9424         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
9425         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
9426         (movdi_internal32): Use rs6000_nonimmediate_operand.
9427         (unnamed splitter): Likewise.
9428         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
9429         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
9430         (SPE64TF, DITI): New mode macros.
9431         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
9432         modes.
9433         (frob_tf_ti): New.
9434         (frob_<mode>_di_2): New.
9435         (frob_tf_di_8_2): New.
9436         (frob_di_df): Change to frob_di_<mode>; allow more modes.
9437         (frob_ti_tf): New.
9438         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
9439         more modes.
9440         (frob_ti_<mode>_8_2): New.
9441         (frob_ti_tf_2): New.
9442         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
9443         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
9444         TFmode.
9445         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
9446         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
9447         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
9448         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
9449         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
9450         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
9451         tsttflt_gp): New.
9452
9453 2007-01-23  Ian Lance Taylor  <iant@google.com>
9454
9455         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
9456         insn-*.o first.
9457         (OBJS-archive): Reformat, alphabetize.
9458         (OBJS): Change out_object_file to OBJS-md.
9459
9460 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
9461
9462         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
9463         JUMP_P and CALL_P predicates where applicable.
9464         * config/i386/i386.c: Ditto.
9465         * config/i386/i386.md: Ditto.
9466         * config/i386/mmx.md: Ditto.
9467         * config/i386/predicates.md: Ditto.
9468
9469 2007-01-22  Andreas Schwab  <schwab@suse.de>
9470
9471         * config/m68k/m68k.h: Fix comment.
9472
9473 2007-01-22  Jan Hubicka  <jh@suse.cz>
9474
9475         * passes.c (init_optimization_passes): Do not rerun
9476         pass_early_warn_uninitialized.
9477
9478 2007-01-22  Richard Guenther  <rguenther@suse.de>
9479
9480         PR tree-optimization/30038
9481         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
9482         function.
9483         (execute_cse_sincos_1): Likewise.
9484         (execute_cse_sincos): Likewise.
9485         (gate_cse_sincos): Likewise.
9486         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
9487         the cexpi() canonicalization of sincos().
9488         * tree-pass.h (pass_cse_sincos): Declare.
9489         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
9490
9491 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
9492
9493         PR rtl-optimization/29329
9494         * combine.c (replaced_rhs_insn): Rename to i2mod.
9495         (replaced_rhs_value): Rename to i2mod_new_rhs.
9496         (i2mod_old_rhs): New global variable.
9497         (combine_instructions): Adjust for above change.  Save a copy of
9498         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
9499         note are substituted in the second instruction.
9500         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
9501         ditch the note if it pertains to the second eliminated register
9502         and this register is mentioned in i2mod_old_rhs.
9503
9504         Revert:
9505         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
9506
9507         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
9508         the insn to which the note was originally attached.
9509
9510 2007-01-21  Jan Hubicka  <jh@suse.cz>
9511
9512         * ipa-inline.c (inlining_mode): Comment, move up.
9513         (cgraph_decide_inlining_incrementally): Do not perform inlining
9514         itself; fix handling of flattening of self recursive functions.
9515         (cgraph_find_cycles): Remove.
9516         (cgraph_flatten_node): Remove.
9517         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
9518         (try_inline): New function.
9519         (cgraph_early_inlining): Update call of
9520         cgraph_decide_inlining_incrementally.  Apply inlining here.
9521         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
9522
9523 2007-01-21  Dirk Mueller  <dmueller@suse.de>
9524
9525         PR bootstrap/30511
9526         * tree-vrp.c (check_array_bounds): do not warn
9527         about ADDR_EXPR's of ARRAY_REF's which are immediately
9528         used in binary expressions.
9529
9530 2007-01-21  Ira Rosen  <irar@il.ibm.com>
9531
9532         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
9533         read_write_dep and macros for its access.
9534         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
9535         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
9536         argument, call vect_check_interleaving for every independent pair of
9537         data-refs. Mark loads that access the same memory location as a store
9538         in the loop.
9539         (vect_check_dependences): Remove.
9540         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
9541         call, fix the call to vect_analyze_data_ref_dependence.
9542         (vect_analyze_data_ref_access): For statements that access the same
9543         data-ref, check that they are not stores; for loads, check that there
9544         is no store that access the same location.
9545
9546 2007-01-20  Roger Sayle  <roger@eyesopen.com>
9547             Joseph Myers  <joseph@codesourcery.com>
9548
9549         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
9550         (-fdump-rtl-stack): Likewise.
9551         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
9552         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
9553         (-mpt-fixed): Use @minus{} for minus sign.
9554         (Using Precompiled Headers): Fix under/overfull hbox.
9555
9556 2007-01-20  Jan Hubicka  <jh@suse.cz>
9557
9558         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
9559         place within annotation.
9560
9561 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9562
9563         * pa.c (output_move_double): Change array size of xoperands to 4.
9564
9565 2007-01-20  Jan Hubicka  <jh@suse.cz>
9566
9567         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
9568         as temporary.
9569
9570 2007-01-19  Ian Lance Taylor  <iant@google.com>
9571
9572         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
9573         constant to unsigned HOST_WIDE_INT before negating.
9574
9575 2007-01-19  Ian Lance Taylor  <iant@google.com>
9576
9577         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
9578         to unsigned.
9579         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
9580         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
9581         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
9582         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
9583         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
9584         (realloc_vdef, realloc_vuse): Change second parameter to
9585         unsigned.
9586         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
9587         fields to unsigned.
9588         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
9589         unsigned. Change x and lim locals to unsigned.
9590         (realloc_vdef, realloc_vuse): Change num_elem parameter to
9591         unsigned.
9592         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
9593         (copy_virtual_operands): Change i and n locals to unsigned.
9594
9595 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9596
9597         PR middle-end/29335
9598         * builtins.c (fold_builtin_1): Handle builtin fdim.
9599
9600 2007-01-20  Jan Hubicka  <jh@suse.cz>
9601
9602         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
9603         * tree-ssa-structalias.c (compute_points_to_sets): Do call
9604         init_alias_heapvars.
9605         (init_alias_heapvars): Initialize only when not already initialized.
9606         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
9607
9608 2007-01-19  Roger Sayle  <roger@eyesopen.com>
9609
9610         * common.opt (fsigned-zeros): New command line option.
9611         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
9612         of flag_unsafe_math_optimizations.
9613         * opts.c (set_fast_math_flags): The -ffast-math command line option
9614         implies -fno-signed-zeros.
9615         (fast_math_flags_set_p): Likewise.
9616
9617         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
9618         the documentation of -ffast-math appropriately.  Wrap long lines.
9619
9620 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
9621
9622         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
9623         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
9624
9625 2007-01-19  Tomas Bily  <tbily@suse.cz>
9626
9627         * cgraphunit.c (cgraph_finalize_function): Updating of pid
9628         * tree-profile.c:
9629         (tree_init_ic_make_global_vars): New function
9630         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
9631         (tree_gen_ic_profiler): New function
9632         (tree_gen_ic_func_profiler): New function
9633         (tree_profiling): Added calling of tree_gen_ic_func_profiler
9634         (tree_profile_hooks): Added hook for indirec/virtual calls
9635         * value-prof.c (tree_find_values_to_profile): New case for
9636         indirect calls
9637         (tree_values_to_profile): Call for determining indirect/virtual
9638         counters
9639         (tree_indirect_call_to_profile): New function
9640         (tree_ic_transform): New function
9641         (tree_ic): New function
9642         (find_func_by_pid): New function
9643         (init_pid_map): New function
9644         (tree_value_profile_transformations): Added check for
9645         indirect/virtual call transformation
9646         * value-prof.h (enum hist_type): New counter type for
9647         indirect/virtual calls
9648         (profile_hooks): Added new hook for profiling indirect/virtual
9649         calls
9650         * profile.c (instrument_values): New case for indirect/virtual
9651         call added
9652         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
9653         (GCOV_COUNTER_V_INDIR): New counter type
9654         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
9655         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
9656         call added
9657         * cgraph.c: Definition of cgraph_max_pid
9658         (cgraph_create_node): Default init of pid attribute
9659         * cgraph.h: Declaration of cgraph_max_pid
9660         (struct cgraph_node): Added pid attribute
9661         * libgcov.c (__gcov_indirect_call_profiler): New function
9662         (__gcov_one_value_profiler_body): New function
9663         (__gcov_one_value_profiler): Body was moved to
9664         __gcov_one_value_profiler_body and calls it
9665
9666 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
9667
9668         * doc/gty.texi (Options): Document the mark_hook option to GTY.
9669         * gengtype.c (write_types_data, write_func_for_structure,
9670         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
9671         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
9672         (walk_type, write_func_for_structure): Generate the mark_hook if
9673         needed.
9674
9675 2007-01-19  Jan Hubicka  <jh@suse.cz>
9676
9677         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
9678         'early' argument take inlining mode argument specifying whether to
9679         inline for size/speeed or all functions; add support for flattening;
9680         improve dumpting.
9681         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
9682
9683 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9684
9685         PR c++/17947
9686         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
9687         the name of the declared identifier.
9688
9689 2007-01-19  Dirk Mueller  <dmueller@suse.de>
9690
9691         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
9692         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
9693         duplicate evaluation.
9694
9695 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
9696
9697         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
9698         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
9699         to XFMode, use acosxf2 and truncate result to requested mode.
9700         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
9701         (asin<mode>2): Similarly, with asin expanders.
9702         (*fscalexf4_i387): Rename from *fscalexf4.
9703         (expNcorexf3): New expander.
9704         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
9705         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
9706         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
9707         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
9708         patterns for SSE math.
9709         (exp10<mode>2): Similarly, with exp10 expanders.
9710         (exp2<mode>2): Similarly, with exp2 expanders.
9711         (expm1<mode>2): Similarly, with expm1 expanders.
9712         (ldexp<mode>3): Similarly, with ldexp expanders.
9713         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
9714         Use gen_truncxf<mode>2_i387_noop to truncate result.
9715
9716 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9717
9718         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
9719         for ColdFire targets.
9720
9721 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
9722             Richard Sandiford  <richard@codesourcery.com>
9723
9724         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
9725         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
9726         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
9727         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
9728         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
9729         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
9730
9731 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9732
9733         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
9734         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
9735         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
9736         (*adddi_dilshr32_cf): New pattern.
9737         (adddi3, subdi3): Remove first alternatives.
9738
9739 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9740
9741         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
9742         implemented using move.l, do not use its cc result for floating-point
9743         comparisons.
9744
9745 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9746
9747         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
9748         from accepting 's' constraints if flag_pic.
9749
9750 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9751
9752         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
9753         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
9754         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
9755         condition from TARGET_68881 to TARGET_HARD_FLOAT.
9756
9757 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
9758
9759         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
9760         ColdFire alternatives.
9761         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
9762         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
9763         architectures that support ff1 instruction.
9764
9765 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9766             Julian Brown  <julian@codesourcery.com>
9767
9768         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
9769         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
9770         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
9771         Add commentary.
9772
9773 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9774
9775         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
9776         and return a bool.
9777         (output_move_const_into_data_reg, output_move_simode_const): Delete.
9778         * config/m68k/m68k.c (const_method, const_int_cost): Take a
9779         HOST_WIDE_INT instead of an rtx.
9780         (m68k_rtx_costs): Update call accordingly.
9781         (output_move_const_into_data_reg): Likewise.  Fix formatting.
9782         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
9783         Return a bool.
9784         (output_move_simode_const): Update calls after above changes.
9785         Rework to use automatic variables and predicates like MEM_P.
9786         * config/m68k/m68k.md (pushexthisi_const): Update call to
9787         valid_mov3q_const.
9788
9789 2007-01-19  Dirk Mueller  <dmueller@suse.de>
9790
9791         * tree-ssa-alias.c (perform_var_substitution): Fix typo
9792         in dump_flags test.
9793
9794 2007-01-19  Richard Guenther  <rguenther@suse.de>
9795
9796         * builtins.c (expand_builtin_cexpi): Fall back to expanding
9797         via cexp in case sincos is not available.
9798
9799 2007-01-19  Richard Guenther  <rguenther@suse.de>
9800
9801         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
9802         * defaults.h (TARGET_HAS_SINCOS): Default to off.
9803         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
9804         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
9805         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
9806         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
9807         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
9808         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
9809
9810 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
9811
9812         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
9813         New insn patterns.
9814         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
9815         (atan2xf3): Directly generate RTL pattern.
9816         (atan2<mode>3): Rename from atan2sf3 and atan2df3 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         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
9821         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
9822         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
9823         disable patterns for SSE math.
9824
9825 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
9826
9827         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
9828
9829 2007-01-18  Roger Sayle  <roger@eyesopen.com>
9830
9831         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
9832         VIEW_CONVERT_EXPR to the same type as it's operand.
9833
9834 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
9835
9836         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
9837         configured for long double 128.
9838
9839 2007-01-18  Mike Stump  <mrs@apple.com>
9840
9841         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
9842         error.
9843
9844 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
9845
9846         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
9847         type correct.
9848
9849 2007-01-18  Jan Hubicka  <jh@suse.cz>
9850
9851         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
9852         greater than NUM_VOP_FREE_BUCKETS.
9853
9854 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
9855
9856         * tree-ssa-structalias.c: Update comments.
9857         (ptabitmap_obstack): Removed.
9858         (pta_obstack): New.
9859         (oldpta_obstack): Ditto.
9860         (stats): Add a few members.
9861         (struct variable_info): Remove node, complex, address_taken, and
9862         indirect_target members. Add oldsolution member.
9863         (new_var_info): Do not initialize removed members.
9864         (constraint_expr_type): Remove INCLUDES.
9865         (constraint_graph): Add size, implicit_preds, rep,
9866         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
9867         (FIRST_REF_NODE): New macro.
9868         (LAST_REF_NODE): Ditto.
9869         (FIRST_ADDR_NODE): Ditto.
9870         (find): New function.
9871         (unite): Ditto.
9872         (dump_constraint): Do not handle INCLUDES.
9873         (insert_into_complex): Do not insert duplicate constraints.
9874         (condense_varmap_nodes): Renamed and rewritten into ...
9875         (merge_node_constraints): This. Also fix bug in handling of
9876         offseted copy constraints.
9877         (clear_edges_for_node): No longer need to deal with preds at all,
9878         or removing associated preds/succs.
9879         (merge_graph_nodes): Deal with indirect_cycles.
9880         Don't deal with predecessors.
9881         (add_implicit_graph_edge): New function.
9882         (add_pred_graph_edge): Ditto.
9883         (add_graph_edge): Don't deal with predecessors.
9884         (build_constraint_graph): Removed.
9885         (build_pred_graph): New function.
9886         (build_succ_graph): Ditto.
9887         (struct scc_info): Removed in_component. Added roots, dfs, and
9888         node_mapping. Remove visited_index, unification_queue.
9889         (scc_visit): Deal with union-find we do now.
9890         Deal with cycles with REF nodes.
9891         (collapse_nodes): Renamed and rewritten to ...
9892         (unify_nodes): This.
9893         (process_unification_queue): Removed.
9894         (topo_visit): Cleanup
9895         (do_da_constraint): Use find.
9896         (do_sd_constraint): Ditto.
9897         (do_ds_constraint): Ditto.
9898         (do_complex_constraint): Ditto.
9899         (init_scc_info): Update for removed and added members.
9900         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
9901         (find_indirect_cycles): This.
9902         (equivalence_class): New variable.
9903         (label_visit): New function.
9904         (perform_variable_substitution): Rewritten.
9905         (free_var_substitution_info): New function.
9906         (find_equivalent_node): Ditto.
9907         (move_complex_constraints): Ditto.
9908         (eliminate_indirect_cycles): Ditto.
9909         (solve_graph): Only propagate changed bits.
9910         Use indirect cycle elimination.
9911         Use find.
9912         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
9913         (tree_id_eq): Renamed to ...
9914         (tree_vi_eq): This. Update for member change
9915         (insert_id_for_tree): Renamed and rewritten to ...
9916         (insert_vi_for_tree): This.
9917         (lookup_id_for_tree): Renamed and rewritten to ...
9918         (lookup_vi_for_tree): This.
9919         (get_id_for_tree): Renamed and rewritten to ...
9920         (get_vi_for_tree): Ditto.
9921         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
9922         (process_constraint): Don't handle INCLUDES.
9923         Remove special ADDRESSOF case.
9924         (find_func_aliases): Rewrite to use vi functions instead of id
9925         ones.
9926         (create_function_info_for): Ditto.
9927         (create_variable_info_for): Ditto.
9928         (intra_create_variable_infos): Ditto.
9929         (merge_smts_into): Ditto.
9930         (find_what_p_points_to): Ditto.
9931         (init_base_vars): Ditto.
9932         (init_alias_vars): Ditto.
9933         (remove_preds_and_fake_succs): New function.
9934         (dump_sa_points_to_info): Dump new stats.
9935         (dump_solution_for_var): Use find.
9936         (set_used_smts): Fix formatting.
9937         (compute_points_to_sets): Updated for new functions.
9938         (ipa_pta_execute): Ditto.
9939
9940 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9941             Richard Sandiford  <richard@codesourcery.com>
9942
9943         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
9944         parallels.
9945         * calls.c (expand_call): If the return value is a PARALLEL,
9946         extract its first member.
9947         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
9948         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
9949         use FUNCTION_EXTRA_EPILOGUE.
9950         (m68k_function_value): Return a PARALLEL if the return value
9951         is of a pointer type.
9952         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
9953         (FUNCTION_EXTRA_EPILOGUE): Remove.
9954         * config/m68k/m68k.md (D0_REG): New constant.
9955
9956 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9957
9958         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
9959         output a NOP for empty epilogues.
9960
9961 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9962
9963         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
9964         before function.  Extend register save check to include all
9965         registers, not just integer ones.
9966
9967 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9968
9969         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
9970         (m68k_use_return_insn): ...this.
9971         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
9972         * config/m68k/m68k.c (use_return_insn): Rename to...
9973         (m68k_use_return_insn): ...this.
9974         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
9975         of USE_RETURN_INSN.
9976
9977 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9978
9979         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
9980         nearest even, fix denormal rounding overflow.
9981
9982 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9983
9984         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
9985         f%$smove and f%$move.
9986         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
9987         (extendsfdf2_cf): Use fdmove instead of f%&move.
9988         (truncdfsf2_cf): Use fsmove instead of f%$smove.
9989         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
9990
9991 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9992
9993         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
9994         GPR<-GPR moves.
9995
9996 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9997
9998         * real.h (real_format): Add a canonical_nan_lsbs_set field.
9999         (coldfire_single_format): Declare.
10000         (coldfire_double_format): Likewise.
10001         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
10002         of qnan_msb_set to determine the lower bits of a canonical
10003         NaN significand.
10004         (encode_ieee_double): Likewise.
10005         (encode_ieee_quad): Likewise.
10006         (ieee_single_format): Initialize canonical_nan_lsbs_set.
10007         (mips_single_format): Likewise.
10008         (ieee_double_format): Likewise.
10009         (mips_double_format): Likewise.
10010         (ieee_extended_motorola_format): Likewise.
10011         (ieee_extended_intel_96_format): Likewise.
10012         (ieee_extended_intel_128_format): Likewise.
10013         (ieee_extended_intel_96_round_53_format): Likewise.
10014         (ibm_extended_format): Likewise.
10015         (mips_extended_format): Likewise.
10016         (ieee_quad_format): Likewise.
10017         (mips_quad_format): Likewise.
10018         (vax_f_format): Likewise.
10019         (vax_d_format): Likewise.
10020         (vax_g_format): Likewise.
10021         (i370_single_format): Likewise.
10022         (i370_double_format): Likewise.
10023         (decimal_single_format): Likewise.
10024         (decimal_double_format): Likewise.
10025         (decimal_quad_format): Likewise.
10026         (c4x_single_format): Likewise.
10027         (c4x_extended_format): Likewise.
10028         (real_internal_format): Likewise.
10029         (coldfire_single_format): New real_format.
10030         (coldfire_double_format): Likewise.
10031         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
10032         canonical_nan_lsbs_set.
10033         (pdp11_d_format): Likewise.
10034         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
10035         if TARGET_COLDFIRE_CPU.
10036
10037 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10038
10039         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
10040         (output_call, m68k_legitimize_call_address): Declare.
10041         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
10042         parenthesees.  Add support for a 'W' constraint.
10043         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
10044         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
10045         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
10046         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
10047         variables.
10048         (override_options): Initialize them.  Do not set flag_no_function_cse
10049         for TARGET_ID_SHARED_LIBRARY.
10050         (m68k_output_pic_call): Delete.
10051         (m68k_legitimize_call_address): New function.
10052         (print_operand): Remove the %o prefix.  Handle the %p prefix.
10053         (output_call): New function.
10054         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
10055         target address from the GOT if symbolic jumps are not allowed.
10056         * config/m68k/m68k.md (call, general_operand): Do not set
10057         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
10058         Merge separate flag_pic and !flag_pic define_insns into...
10059         (*call, *call_value): ...these new patterns.  Match the address
10060         rather than the containing MEM and require it to be a call_operand.
10061         Use output_call to generate the asm template.
10062         * config/m68k/predicates.md (const_call_operand): New predicate.
10063         (call_operand): Likewise.
10064
10065 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10066
10067         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
10068         (STACK_GROWS_DOWNWARD): Define to 1.
10069         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
10070         comments, emphasizing that these values are only defaults.
10071         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
10072         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
10073
10074 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10075
10076         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
10077
10078 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10079             Richard Sandiford  <richard@codesourcery.com>
10080
10081         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
10082         (FP_REGNO_P): New macros.
10083         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
10084         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
10085         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
10086         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
10087
10088 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10089
10090         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10091         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
10092         to $tmake_file.
10093         * config/m68k/t-floatlib: New file, extracting common code from...
10094         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
10095         * config/m68k/t-uclinux: Here.
10096         * config/m68k/fpgnulib.c: Do not compile extendeed precision
10097         routines on ColdFire targets.
10098
10099 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10100
10101         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10102         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
10103         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
10104         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
10105         explicitly set MOTOROLA to 1.
10106         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
10107
10108 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10109             Nathan Sidwell  <nathan@codesourcery.com>
10110
10111         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
10112         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
10113         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
10114         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
10115         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
10116         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
10117         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
10118         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
10119         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
10120         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10121         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
10122         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
10123         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
10124         (DBX_REGISTER_NUMBER): Delete.
10125         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
10126         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10127         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
10128
10129 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10130
10131         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
10132         * config/flat.h: New file.
10133         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
10134         OBJECT_FORMAT_FLAT.
10135         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
10136         indirect references for -msep-data or -mid-shared-library.
10137         Do not use PC-relative code addresses either.
10138         * config/m68k/m68k.c (override_options): Restrict -fPIC error
10139         to -mpcrel.
10140         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
10141         for shared libraries and crt1.o for executables.  Use crti.o and
10142         crtbegin.o.
10143         (ENDFILE_SPEC): Use crtend.o and crtn.o.
10144         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
10145         Do not add -elf2flt or -shared-lib-id options here.
10146         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
10147         Pass -shared-lib-id if -mid-shared-library, taking the library
10148         identifier from -mshared-library-id if given, otherwise
10149         defaulting to 0.
10150         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
10151         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
10152         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
10153         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
10154         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
10155         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
10156         and crtend.o.
10157         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
10158         jump sequence for ISA A and ISA A+.
10159         (PICJUMP): Likewise.
10160
10161 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10162
10163         * config.gcc (m68k-*-uclinux*): Base the port on the common
10164         and m68k GNU/Linux files rather than on the generic ELF ones.
10165         * config/m68k/uclinux.h (TARGET_VERSION): Override.
10166         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
10167
10168 2007-01-18  Julian Brown  <julian@codesourcery.com>
10169             Richard Sandiford  <richard@codesourcery.com>
10170
10171         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
10172         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10173         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
10174         before redefining.
10175         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
10176         80 unconditionally.
10177         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10178
10179 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10180
10181         * doc/install.texi: Document m68k-uclinuxoldabi.
10182         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
10183         * config/m68k/uclinux-oldabi.h: New file, copied from
10184         config/m68k/uclinux.h.
10185
10186 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
10187
10188         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
10189         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
10190         (m32r_compute_frame_size): Use unsigned for regno.
10191         (m32r_reload_lr): Use gen_frame_mem.
10192         (pop): New.
10193         (m32r_output_function_epilogue): Don't output the function epilogue
10194         textually here.
10195         (m32r_expand_epilogue): New.
10196         (direct_return): Return false if the function has the interrupt
10197         attribute.
10198         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
10199         * config/m32r/m32r.md (epilogue): New expander.
10200         (return_lr, return_rte): New insns.
10201         (return): Make it expander.
10202         (return_normal): New expander.
10203
10204 2007-01-18  Josh Conner  <jconner@apple.com>
10205
10206         PR target/30485
10207         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
10208         support for UNLE, UNLT, UNGE, and UNGT.
10209
10210 2007-01-18  Jan Hubicka  <jh@suse.cz>
10211
10212         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
10213         * tree-tailcall (add_virtual_phis): Likewise.
10214         (optimize_tail_call): Return TODOs.
10215         (execute_tail_calls): Return TODOs.
10216         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
10217         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
10218         changed.
10219         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
10220         Cleanup cfg using TODO.
10221         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
10222         * passes.c (execute_function_todo): When cleanup did something, remove
10223         unused locals.
10224         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
10225         (make_edges): Don't cleanup_cfg.
10226
10227 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
10228
10229         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
10230         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
10231         operate on the top of stack.
10232         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
10233         register handling of instructions that output to the second
10234         stack slot.
10235         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
10236         (move_for_stack_reg): Special-case check for dead destination
10237         stack slot for constant load of 1.0 inside UNSPEC_TAN.
10238
10239         * config/i386/i386.md (UNSPEC_TAN): New constant.
10240         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
10241         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
10242         to correctly model move of constant 1.0 to top stack slot.
10243         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
10244         (unnamed peephole2 pattern): Remove corresponding peephole2
10245         pattern that optimizes tan insn and loading of constant 1.0.
10246         (tanxf2): Use fptanxf4_i387.
10247         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
10248         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
10249         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10250         disable patterns for SSE math.
10251         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
10252         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
10253
10254 2007-01-18  Dirk Mueller  <dmueller@suse.de>
10255             Richard Guenther <rguenther@suse.de>
10256
10257         PR diagnostic/8268
10258         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
10259         * common.opt (Warray-bounds): Add new warning option.
10260         * c-opts.c (c_common_handle_option): Define -Warray-bounds
10261         if -Wall is given.
10262         * Makefile.in: make tree-vrp.o depend on toplev.h
10263         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
10264         is enabled.
10265         (check_array_refs, check_array_bounds, check_array_ref): New.
10266
10267 2007-01-18  Jan Hubicka  <jh@suse.cz>
10268
10269         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
10270         (execute_ssa_ccp): Return flags conditionally.
10271         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
10272         changed.
10273         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
10274
10275 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
10276
10277         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
10278         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
10279
10280         * Makefile.c (GTFILES): Add cfglayout.h.
10281         * gengtype.c (open_base_files): Likewise.
10282         * cfglayout.c (cfg_layout_function_footer,
10283         cfg_layout_function_header) Reindent to make gengtype happy.
10284         * cfglayout.h (cfg_layout_function_footer,
10285         cfg_layout_function_header): Add GTY(()) marker.
10286
10287         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
10288
10289 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10290
10291         * genautomata.c (write_automata): Include xstrerror output in the
10292         error message if writing the DFA description file fails.
10293
10294 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
10295
10296         * config/mips/mips-protos.h (mips_output_external): Make it
10297         return void.
10298         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
10299         * config/mips/mips.c (irix_output_external_libcall): Likewise.
10300         (extern_list): Likewise.
10301         (extern_head): Likewise.
10302         (TARGET_ASM_FILE_END): Likewise.
10303         (mips_file_end): Likewise.
10304         (mips_output_external): Rewritten.
10305
10306 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10307
10308         * genpreds.c (write_insn_preds_c): Only write out the function
10309         body for regclass_for_constraint if we have register constraints.
10310
10311 2007-01-17  Tom Tromey  <tromey@redhat.com>
10312
10313         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
10314         * doc/install.texi (Testing): Use sourceware.org.
10315         (Binaries): Likewise.
10316         (Specific): Likewise.
10317         * doc/contrib.texi (Contributors): Use sourceware.org.
10318
10319 2007-01-17  Anatoly Sokolov <aesok@post.ru>
10320
10321         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
10322         (AVR_ENHANCED): Rename to ...
10323         (AVR_HAVE_MUL): ... new.
10324         (avr_enhanced_p): Rename to ...
10325         (avr_have_mul_p): ... new.
10326         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
10327         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
10328         * config/avr/avr.c (avr_enhanced_p): Rename to ...
10329         (avr_have_mul_p): ... new.
10330         (base_arch_s): Rename 'enhanced' to 'have_mul'.
10331         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
10332         'avr_enhanced_p' and 'enhanced'.
10333         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
10334         AVR_HAVE_MUL instead of AVR_ENHANCED.
10335         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10336         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
10337         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
10338         instead of AVR_ENHANCED.
10339         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10340         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
10341         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
10342
10343 2007-01-17  Ian Lance Taylor  <iant@google.com>
10344
10345         * vec.h (VEC_reserve_exact): Define.
10346         (vec_gc_p_reserve_exact): Declare.
10347         (vec_gc_o_reserve_exact): Declare.
10348         (vec_heap_p_reserve_exact): Declare.
10349         (vec_heap_o_reserve_exact): Declare.
10350         (VEC_OP (T,A,reserve_exact)): New static inline function, three
10351         versions.
10352         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
10353         negative parameter.
10354         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
10355         (VEC_OP (T,A,copy)) [all versions]: Likewise.
10356         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
10357         * vec.c (calculate_allocation): Add exact parameter.  Change all
10358         callers.
10359         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
10360         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
10361         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
10362         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
10363         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
10364         (vec_heap_p_reserve_exact): New function.
10365         (vec_heap_o_reserve_exact): New function.
10366
10367 2007-01-17  Jan Hubicka  <jh@suse.cz>
10368
10369         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
10370
10371 2007-01-17  Eric Christopher  <echristo@apple.com>
10372
10373         * config.gcc: Support core2 processor.
10374
10375 2007-01-16  Jan Hubicka  <jh@suse.cz>
10376
10377         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
10378         the names, just unlink the chain so we don't crash on dangling pointers
10379         to dead SSA names.
10380
10381 2007-01-16  Jan Hubicka  <jh@suse.cz>
10382
10383         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
10384         * tree-pass.h: Reorder to make IPA passes appear toegher.
10385         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
10386         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
10387         parameters, do not call early inliner.
10388         * ipa-inline.c: Update comments.  Include tree-flow.h
10389         (cgraph_decide_inlining): Do not compute inlining parameters.
10390         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
10391         be called with function context set up.
10392         (pass_ipa_inline): Remove unreachable functions before pass.
10393         (cgraph_early_inlining): Simplify assuming to be called from the
10394         PM as local pass.
10395         (pass_early_inline): New pass.
10396         (cgraph_gate_ipa_early_inlining): New gate.
10397         (pass_ipa_early_inline): Turn into simple wrapper.
10398         (compute_inline_parameters): New function.
10399         (gate_inline_passes): New gate.
10400         (pass_inline_parameters): New pass.
10401         (apply_inline): Move here from tree-optimize.c
10402         (pass_apply_inline): New pass.
10403         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
10404         transforming.
10405         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
10406         doing them by hand.
10407         (tree_function_versioning): Do not allocate dummy struct function.
10408         * tree-inline.h (optimize_inline_calls): Update prototype.
10409         * tree-optimize.c (execute_fixup_cfg): Export.
10410         (pass_fixup_cfg): Remove
10411         (tree_rest_of_compilation): Do not apply inlines.
10412         * tree-flow.h (execute_fixup_cfg): Declare.
10413         * Makefile.in (gt-passes.c): New.
10414         * passes.c: Include gt-passes.h
10415         (init_optimization_passes): New passes.
10416         (nnodes, order): New static vars.
10417         (do_per_function_toporder): New function.
10418         (execute_one_pass): Dump current pass here.
10419         (execute_ipa_pass_list): Don't dump current pass here.
10420
10421 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
10422
10423         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
10424         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
10425
10426 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
10427
10428         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
10429         (strong_alias): Define.
10430         (__gcc_qmul): Provide non-FMA for soft-float.
10431         (__gcc_qdiv): Same.
10432         (__gcc_qneg): New.
10433         (__gcc_qeq): New.
10434         (__gcc_qle): New.
10435         (__gcc_qge): New.
10436         (__gcc_qunord): New.
10437         (__gcc_stoq): New.
10438         (__gcc_dtoq): New.
10439         (__gcc_qtos): New.
10440         (__gcc_qtod): New.
10441         (__gcc_qtoi): New.
10442         (__gcc_qtou): New.
10443         (__gcc_itoq): New.
10444         (__gcc_utoq): New.
10445         (fmsub): New.
10446         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
10447         soft-float functions.
10448         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
10449         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
10450         about long double soft float.
10451
10452 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
10453             Tehila Meyzels  <tehila@il.ibm.com>
10454
10455         * tree-vectorizer.h (is_pattern_stmt_p): New.
10456         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
10457         formatting (tabs instead of spaces). Cleanup and clarify setting
10458         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
10459         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
10460         (vectorizable_type_demotion): Check that types are integral.
10461         (vectorizable_type_promotion): Likewise.
10462         (vectorizable_store): Fix typo.  Eliminate new-line at end of
10463         comments.
10464
10465 2007-01-16  Jan Hubicka  <jh@suse.cz>
10466
10467         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
10468         cgraph edges too.
10469
10470 2007-01-15  Eric Christopher  <echristo@apple.com>
10471
10472         * ifcvt.c: Include vec.h, vecprim.h.
10473         (check_cond_move_block): New argument regs.
10474         Reorganize. Add registers used to regs.
10475         (cond_move_process_if_block): Use regs set above as
10476         loop bounds.
10477
10478 2007-01-15  Eric Christopher  <echristo@apple.com>
10479
10480         * config/darwin.h: Update copyright.
10481         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
10482         (LINK_COMMAND_SPEC): Add -u.
10483         (LINK_SPEC): Fix umbrella for above.
10484
10485 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
10486
10487         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
10488         glibc CVS.
10489
10490 2007-01-15  Tom Tromey  <tromey@redhat.com>
10491
10492         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
10493         * doc/install.texi (Testing): Don't mention jacks.
10494         (Configuration): Document --enable-java-maintainer-mode.  Move
10495         --with-java-home to libgcj-specific section.  Document
10496         --with-ecj-jar.
10497         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
10498
10499 2007-01-15  Jan Hubicka  <jh@suse.cz>
10500
10501         * tree-ssa-dce.c (DCE_TODOs): New.
10502         (propagate_necessity): Return if something changed.
10503         (eliminate_unnecessary_stmts): Likewise.
10504         (perform_tree_ssa_dce): Return TODO flags when needed.
10505         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
10506
10507 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
10508
10509         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
10510         (fyl2x_extend<mode>xf3_i387): New insn pattern.
10511         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
10512         patterns using X87MODEF12 mode macro.  Extend operand 1
10513         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10514         (log10<mode>2): Ditto.
10515         (log2<mode>2): Ditto.
10516         (log1p<mode>2): Ditto.
10517         (logb<mode>2): Ditto.
10518         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
10519         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
10520         (*fxtractxf3_i387): Rename from *fxtractxf3.
10521         (fxtract_extend<mode>xf3_i387): New insn pattern.
10522         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
10523         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
10524         and gen_fyl2xxf3_i387().
10525
10526 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
10527
10528         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
10529         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
10530         get_loop_exit_edges.  Changed return type to bool.
10531         * cfgloop.h (fix_loop_placement): Declaration removed.
10532
10533 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
10534
10535         * param.h (MIN_VECT_LOOP_BOUND): New.
10536         * params.def (MIN_VECT_LOOP_BOUND): New.
10537         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
10538         argument - minimum threshold for number of iterations.
10539         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
10540         argument to declaration.
10541         * tree-vect-analyze.c (vect_analyze_operations): Check value of
10542         MIN_VECT_LOOP_BOUND.
10543         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
10544         slpeel_tree_peel_loop_to_edge with additional argument.
10545         (vect_do_peeling_for_alignment): Likewise.
10546         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
10547
10548 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
10549
10550         PR target/30413
10551         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
10552         operands of size 1.
10553
10554 2007-01-14  Jan Hubicka  <jh@suse.cz>
10555
10556         * tree-dfa.c (remove_referenced_var): New function.
10557         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
10558         prune referenced vars list too.
10559         * tree-flow.h (remove_referenced_var): Declare.
10560
10561 2007-01-14  Jan Hubicka  <jh@suse.cz>
10562
10563         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
10564         separately.
10565         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
10566         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
10567         * except.h (verify_eh_throw_table_statements): Kill prototype.
10568         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
10569         into call exrepssions.
10570         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
10571         eh trhow verifier.
10572         * tree-cfg.c: Include pointer-set.h.
10573         (verify_node_sharing): Work on pointer set.
10574         (verify_eh_throw_stmt_node): New.
10575         (verify_stmts): Use pointers sets, verify throw_stmt.
10576
10577 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
10578
10579         * ipa-reference.c (analyze_function): Consider also addresses taken
10580         in phi nodes.
10581
10582 2007-01-12  Roger Sayle  <roger@eyesopen.com>
10583
10584         * c-typeck.c (null_pointer_constant_p): Replace use of
10585         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10586         (build_c_cast): Likewise.
10587
10588 2007-01-12  Roger Sayle  <roger@eyesopen.com>
10589
10590         * tree.h (force_fit_type_double): Remove unused final argument.
10591         * c-common.c (constant_expression_warning): Replace use of
10592         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10593         (convert_and_check): Likewise.
10594         (shorten_compare): Update call to force_fit_type_double.
10595         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
10596         * convert.c (convert_to_pointer): Update call to
10597         force_fit_type_double.
10598         * fold-const.c (force_fit_type_double): Remove overflowed_const
10599         argument.
10600         (int_const_binop, fold_convert_const_int_from_int,
10601         fold_convert_const_int_from_real, fold_div_compare,
10602         fold_sign_changed_comparison, fold_unary, fold_negate_const,
10603         fold_abs_const, fold_not_const): Remove the final argument from
10604         calls to force_fit_type_double.
10605
10606 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10607
10608         * configure.ac: Set insn to "nop" for spu-*-* also.
10609         * configure: Regenerate.
10610
10611 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
10612
10613         * builtins.def : Add BUILT_IN_FREE.
10614
10615 2007-01-12  Jan Hubicka  <jh@suse.cz>
10616
10617         PR tree-optimization/30443
10618         * tree-inline.c (tree_function_versioning): Do not optimize when
10619         cloning for inlining.
10620
10621 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
10622
10623         * doc/loop.texi: Document recording of loop exits.
10624         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
10625         (update_single_exits_after_duplication,
10626         update_single_exit_for_duplicated_loop,
10627         update_single_exit_for_duplicated_loops): Removed.
10628         (duplicate_loop_to_header_edge): Do not call
10629         update_single_exits_after_duplication and
10630         update_single_exit_for_duplicated_loops.
10631         (loop_version): Do not update single_exit information.
10632         (fix_loop_structure): Use record_loop_exits instead of
10633         mark_single_exit_loops.
10634         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
10635         the lists of loop exits.
10636         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
10637         split_edge, merge_blocks): Update the lists of loop exits.
10638         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
10639         loop_optimizer_init.
10640         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
10641         of mark_single_exit_loops.
10642         (loop_optimizer_finalize): Call release_recorded_exits.
10643         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
10644         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
10645         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
10646         update single exit information.
10647         * lambda-code.c (perfect_nestify): Ditto.
10648         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
10649         (mark_single_exit_loops): Removed.
10650         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
10651         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
10652         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
10653         functions.
10654         (get_loop_exit_edges, single_exit): Use recorded exit lists.
10655         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
10656         (verify_loop_structure): Verify consistency of the exit lists.
10657         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
10658         (set_single_exit): Removed.
10659         * cfgloop.h (struct loop_exit): New function.
10660         (struct loop): single_exit_ field replaced by exits field.
10661         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
10662         (struct loops): Added exits hash.
10663         (mark_single_exit_loops, set_single_exit): Declaration removed.
10664         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
10665
10666 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10667
10668         * doc/invoke.texi: Avoid use of @headitem.
10669
10670 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10671
10672         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
10673
10674 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10675
10676         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
10677         list of targets.
10678
10679 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
10680             Richard Sandiford  <richard@codesourcery.com>
10681
10682         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
10683         * config/m68k/m68k.opt: Resort options.
10684         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
10685
10686 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
10687             Richard Sandiford  <richard@codesourcery.com>
10688
10689         * doc/invoke.texi: Document the macros that are defined by
10690         m68k's -mtune and -mhard-float options.
10691         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
10692         (m68k_cpp_cpu_family): Likewise.
10693         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
10694         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
10695         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
10696         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
10697         (m68k_cpp_cpu_family): Likewise.
10698
10699 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10700
10701         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
10702         macros besides mc68000 as tuning macros.  Use a switch statement
10703         to set them and mcpu32.
10704
10705 2007-01-12  Julian Brown  <julian@codesourcery.com>
10706
10707         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
10708         (TARGET_68040_ONLY): Rename to...
10709         (TARGET_68040): ...this.
10710         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
10711         * config/m68k/m68k.md: Likewise.
10712
10713 2007-01-12  Julian Brown  <julian@codesourcery.com>
10714             Nathan Sidwell  <nathan@codesourcery.com>
10715             Richard Sandiford  <richard@codesourcery.com>
10716
10717         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
10718         the -mcpu= argument associated with the --with-cpu setting.
10719         Define M68K_DEFAULT_TUNE to the default -mtune= option,
10720         if different from the one implied by the -mcpu setting.
10721         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
10722         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
10723         * doc/invoke.texi: Mention ColdFire in the introduction to the
10724         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
10725         -mno-div and -mhard-float options.  Make -m68881 a synonym for
10726         -mhard-float.  Document the previously-undocumented -m5206e,
10727         -m528x, -m5307 and -m5407 options.  Tweak the existing option
10728         documentation for consistency.
10729         * doc/install.texi: Mention new --with-cpu arguments.
10730         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
10731         default CPU if neither -mcpu nor -march are specified.
10732         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
10733         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
10734         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
10735         using m68k_tune to decide between families that implement the
10736         same ISA.  Use m68k_tune to set __mcfv4e__.
10737         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
10738         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
10739         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
10740         (FL_ISA_C, FL_ISA_MMU): New macros.
10741         (MASK_COLDFIRE): Delete.
10742         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
10743         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
10744         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
10745         (TARGET_HARD_FLOAT): Do not define here.
10746         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
10747         (TUNE_68000): New macro.
10748         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
10749         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
10750         (TUNE_CFV2): Redefine in terms of m68k_tune.
10751         (uarch_type, target_device, fpu_type): New enums.
10752         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
10753         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
10754         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
10755         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
10756         (FL_FOR_isa_c): New macros.
10757         (m68k_isa): New enum.
10758         (m68k_target_selection): New structure.
10759         (all_devices, all_isas, all_microarchs): New tables.
10760         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
10761         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
10762         (MASK_ALL_CPU_BITS): Delete.
10763         (m68k_find_selection): New function.
10764         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
10765         Map the legacy target options to a combination of the new ones.
10766         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
10767         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
10768         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
10769         settings.
10770         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
10771         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
10772         properties.
10773         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
10774         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
10775         * config/m68k/m68k-devices.def: New file.
10776
10777 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10778             Nathan Sidwell  <nathan@codesourcery.com>
10779
10780         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
10781         (SUBTARGET_EXTRA_SPECS): New macros.
10782         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
10783         use %(asm_cpu_spec) instead.
10784         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
10785         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
10786         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
10787         (EXTRA_SPECS): Rename to...
10788         (SUBTARGET_EXTRA_SPECS): ...this.
10789
10790 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
10791             Richard Sandiford  <richard@codesourcery.com>
10792             Julian Brown  <julian@codesourcery.com>
10793
10794         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10795         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
10796         to the configuration's default CPU.
10797         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
10798         Remove default masks.
10799         (m680[012]0-*-*): Set the default with_cpu to the first part of
10800         the target name.
10801         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
10802         (m68k*-*-linux): Extend the --with-cpu handling to...
10803         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
10804         and m68010.  Don't set target_cpu_default2.
10805         * doc/install.texi: Document --with-cpu for m68k.
10806         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
10807         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
10808         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
10809         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
10810         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
10811         (ASM_SPEC): Remove use of %(asm_cpu_default).
10812         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
10813         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
10814         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
10815         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
10816         __HAVE_FPU__ if TARGET_HARD_FLOAT.
10817         (TARGET_DEFAULT): Delete.
10818         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
10819         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
10820         (CPP_CPU_SPEC): Delete.
10821         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
10822         the appropriate string.
10823         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
10824         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
10825         (ASM_SPEC): Don't use %(asm_default_spec).
10826         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10827         TARGET_DEFAULT and add MASK_68881.
10828         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
10829
10830 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10831
10832         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
10833         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
10834         MASK_68010 alongside MASK_68020.
10835         * doc/invoke.texi: Document -m68010.
10836         * config/m68k/m68k.opt (m68010): New.
10837         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
10838         if TUNE_68010.
10839         (TUNE_68010): New macro.
10840         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
10841         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
10842         (M68K_CPU_m68332): Add MASK_68010.
10843         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
10844         fallback definition.
10845         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
10846         defines.
10847         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
10848         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
10849         to all entries that use MASK_68020.
10850         (output_move_simode_const, output_move_himode, output_move_qimode)
10851         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
10852         instead of TARGET_68020 to select clr behavior.  Remove comment
10853         about there being no TARGET_68010.
10854         * config/m68k/m68k.md: Likewise throughout.
10855
10856 2007-01-12  Julian Brown  <julian@codesourcery.com>
10857
10858         * config/m68k/m68k.h (TARGET_ISAB): New macro.
10859         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
10860         * config/m68k/m68k.md: Likewise.
10861
10862 2007-01-12  Julian Brown  <julian@codesourcery.com>
10863
10864         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
10865         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
10866
10867 2007-01-12  Julian Brown  <julian@codesourcery.com>
10868
10869         * config/m68k/m68k.h (TUNE_68040_60): New macro.
10870         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
10871         * config/m68k/m68k.md: Likewise.
10872
10873 2007-01-12  Julian Brown  <julian@codesourcery.com>
10874             Richard Sandiford  <richard@codesourcery.com>
10875
10876         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
10877         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
10878         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
10879         TARGET_CPU32.
10880         (TARGET_CPU32): Rename to...
10881         (TUNE_CPU32): ...this.
10882         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
10883         (TUNE_CFV2): New macros.
10884         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
10885         remove conditions that are implied by TARGET_68020.
10886         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
10887         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
10888         (m68k_output_function_epilogue): Likewise.
10889         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
10890         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
10891         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
10892         non-68000 timings.  Refactor multiplication and division costs.
10893         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
10894         TUNE_CPU32 instead of TARGET_CPU32.
10895         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
10896         and TUNE_68060 instead of TARGET_68060.
10897         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
10898         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
10899         TARGET_CPU32.
10900         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
10901         && !TARGET_COLDFIRE" to choose between moveq and clr.
10902         Likewise in the unnamed movsf pattern.
10903         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
10904         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
10905         ashiftrt pattern.
10906
10907 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10908
10909         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
10910         of tabbing before backslashes.
10911
10912 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10913
10914         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
10915         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
10916         (ASM_OUTPUT_INTERNAL_LABEL): Define.
10917
10918 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
10919
10920         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
10921         find_interesting_uses_cond.
10922         (find_interesting_uses_cond): Use extract_cond_operands.
10923         (rewrite_use_compare): Use extract_cond_operands and
10924         force_gimple_operand_bsi.  Do not call update_stmt.
10925         (determine_use_iv_cost_condition): Use extract_cond_operands.
10926         Return cheaper of using original bound and changing the exit bound.
10927
10928 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
10929
10930         PR tree-optimization/29516
10931         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
10932         most_expensive_mult_to_index, addr_to_parts,
10933         create_mem_ref, maybe_fold_tmr): Make the type of
10934         fields of TARGET_MEM_REF sizetype.
10935         (move_fixed_address_to_symbol, move_pointer_to_base):
10936         New functions.
10937         * tree.def (TARGET_MEM_REF): Add comment on types of
10938         the operands.
10939
10940 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
10941
10942         * c-common.c (vector_types_convertible_p): Treat opaque types as
10943         always convertible if they have the same size, but not otherwise.
10944
10945 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
10946
10947         * ifcvt.c (struct noce_if_info): Add comments to the fields.
10948         Remove the b_unconditional field.
10949         (noce_try_sign_mask): Do not look at b_unconditional.
10950         (noce_process_if_block): Do not use merge_if_blocks.  Update
10951         the CFG here.  Do not set b_unconditional.
10952         (cond_move_process_if_block): Likewise.
10953         (find_cond_trap): Likewise.
10954         (check_cond_move_block): Require simple jump insns at the end
10955         of the basic block.
10956
10957 2007-01-11  Jan Hubicka  <jh@suse.cz>
10958
10959         PR tree-optimization/1046
10960         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
10961         when alias info is not ready.
10962         (pass_tail_recursion): Do not require aliasing.
10963         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
10964         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
10965         * tree-ssa-copy.c (pass_copy_prop): Likewise.
10966         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
10967         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
10968         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
10969         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
10970         before inlining.
10971         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
10972         When aliasing is not build, mark statement as volatile.
10973
10974 2007-01-11  Tom Tromey  <tromey@redhat.com>
10975
10976         PR preprocessor/15185, PR preprocessor/20989:
10977         * doc/cppopts.texi <-MT>: Update description of algorithm for
10978         computing default target.
10979         <-M, -MD>: Reword "basename" text.
10980
10981 2007-01-11  Roger Sayle  <roger@eyesopen.com>
10982
10983         * builtins.c (expand_builtin_pow, expand_builtin_powi,
10984         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
10985         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
10986         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
10987         fold_builtin_bswap, real_constp, fold_builtin_pow,
10988         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
10989         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
10990         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10991         * convert.c (convert_to_pointer): Likewise.
10992         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
10993         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
10994         const_binop, fold_convert_const_int_from_int,
10995         fold_convert_const_int_from_real,
10996         fold_convert_const_real_from_real, sign_bit_p,
10997         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
10998         fold_sign_changed_comparison, fold_unary, fold_comparison,
10999         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
11000         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
11001         * print-tree.c (print_node_brief, print_node): Likewise.
11002         * stor-layout.c (place_field, layout_type): Likewise.
11003         * tree-chrec.c (keep_cast): Likewise.
11004         * tree.c (build_vector, build_real, build_real_from_int_cst,
11005         build_complex): Likewise.
11006
11007 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11008
11009         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
11010         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
11011
11012 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
11013
11014         * configure.ac (strict1_warn): Rename to strict_warn.
11015         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
11016         cc_set_by_configure, quoted_cc_set_by_configure,
11017         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
11018         all_boot_languages, all_stagestuff): Remove.
11019         (target_list): Remove bootstrap targets.
11020         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
11021         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
11022         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
11023         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
11024         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
11025         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
11026         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
11027         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
11028         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
11029         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
11030         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
11031         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
11032         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
11033         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
11034         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
11035         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
11036         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
11037         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
11038         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
11039         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
11040         (mostlyclean): Adjust.
11041         (clean, distclean): Don't mention bootstrap stuff.
11042         * configure: Regenerate.
11043         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
11044         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
11045         treelang/config-lang.in (stagestuff): Remove.
11046         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
11047         stageprofile, stagefeedback, stagestuff): Remove mention.
11048
11049 2007-01-11  Nick Clifton  <nickc@redhat.com>
11050
11051         * config/mcore/predicates.md (mcore_general_movesrc_operand):
11052         Accept CONSTs.
11053         (mcore_general_movdst_operand): Do not accept CONST_INTs.
11054         (mcore_arith_K_S_operand): Run the test for the S constraint not
11055         the test for the M constraint.
11056         (mcore_addsub_operand): Do not accept integer values that are
11057         larger than 32 bits.
11058         * config/mcore/mcore.md: Remove unused constraints from split.
11059         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
11060         (addsi3): Likewise.
11061         (allocate_stack): Likewise.
11062         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
11063         operands to 32 bits.
11064         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
11065         INTVAL.
11066         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
11067         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
11068         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
11069         mcore_output_bclri, mcore_output_andn, output_inline_const,
11070         mcore_output_move, mcore_output_movedouble): Likewise.
11071         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
11072         (output_inline_const): Likewise.
11073         (output_inline_const): Fix format strings used in sprintf
11074         statements.
11075         * config/mcore/mcore-protos.h: Update prototypes for changed
11076         functions in mcore.c.
11077         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
11078         HOST_WIDE_INT and not int.
11079         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
11080         CONST_OK_FOR_N): Likewise.
11081         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
11082         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
11083         an INTVAL.
11084
11085 2007-01-10  Jan Hubicka  <jh@suse.cz>
11086
11087         * tree-vrp.c (remove_range_assertions): Release defs.
11088         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
11089         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
11090
11091 2007-01-10  Paul Brook  <paul@codesourcery.com>
11092
11093         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
11094         * config/arm/arm.md (mulsi3subsi): New insn.
11095
11096 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
11097
11098         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
11099         (tree_transform_and_unroll_loop): New.
11100         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
11101         Declare.
11102
11103 2007-01-10  Robert Kennedy <jimbob@google.com>
11104
11105         * fold-const.c (fold_comparison): Fold comparisons like (x *
11106         1000 < 0) to (x < 0).
11107
11108 2007-01-10  Ian Lance Taylor  <iant@google.com>
11109
11110         * tree-pretty-print.c (dump_generic_node): Print parentheses when
11111         operands have the same priority.
11112
11113 2007-01-10  Tom Tromey  <tromey@redhat.com>
11114
11115         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
11116         (fold_binary): Likewise.
11117         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
11118         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
11119         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
11120         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
11121         * langhooks.h (struct lang_hooks): Removed field
11122         'can_use_bit_fields_p'.
11123
11124 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
11125
11126         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
11127
11128 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
11129
11130         * function.c (get_last_funcdef_no): New function.
11131         * function.h (get_last_funcdef_no): Declare.
11132         * tree-inline.c (initialize_cfun): Add initialization.
11133         (tree_function_versioning): Cleanup.
11134
11135 2007-01-10  Jan Hubicka  <jh@suse.cz>
11136
11137         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
11138         PHIs.
11139
11140 2007-01-10  Sa Liu  <saliu@de.ibm.com>
11141             Ben Elliston  <bje@au.ibm.com>
11142
11143         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
11144         for SAVE_NONLOCAL and Pmode for any other save level.
11145         * spu-protos.h (spu_restore_stack_block): Declare.
11146         * spu.md (save_stack_block): Remove.
11147         (restore_stack_block): Call spu_restore_stack_block.
11148         * spu.c (spu_restore_stack_block): New function.
11149         (spu_expand_epilogue): Remove old comment.
11150
11151 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
11152
11153         PR tree-optimization/30322
11154         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
11155         (cand_value_at): Return the value as aff_tree.
11156         (may_eliminate_iv): Convert the bound from aff_tree to tree.
11157         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
11158         aff_combination_mult): New functions.
11159         (aff_combination_add): Use aff_combination_add_cst.
11160         (aff_combination_convert): Allow conversions to a wider type.
11161         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
11162         * tree-affine.h (aff_combination_mult): Declare.
11163
11164 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
11165
11166         * doc/tm.texi: Update documentation to reflect reality of exec
11167         and start file search behaviours. Update copyright year.
11168         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
11169         header file directories.
11170
11171 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
11172
11173         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
11174         (*cosxf2): Rename to cosxf2_i387.
11175         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
11176         using X87MODEF12 mode macro. Rename patterns to
11177         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
11178         for SSE math.
11179         (*cosdf2, *cossf2): Ditto.
11180         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
11181         to match extended input operands.
11182         (sincos<mode>3): New expander.
11183         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
11184         insn patterns and corresponding splitters.
11185
11186 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
11187
11188         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
11189         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
11190
11191 2007-01-09  Nicolas Pitre  <nico@cam.org>
11192
11193         PR target/30173
11194         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
11195
11196 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11197
11198         * target.h (struct gcc_target): New field library_rtti_comdat.
11199         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
11200         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
11201         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
11202         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
11203
11204 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11205
11206         * doc/invoke.texi (Optimize Options): Correct description of -O0.
11207
11208 2007-01-08  Richard Guenther  <rguenther@suse.de>
11209
11210         * tree.h (force_fit_type_double): Export.
11211         (force_fit_type): Remove.
11212         * fold-const.c (force_fit_type_double): New function.
11213         (force_fit_type): Remove.
11214         (int_const_binop): Use it.
11215         (fold_convert_const_int_from_int): Likewise.
11216         (fold_convert_const_int_from_real): Likewise.
11217         (fold_div_compare): Likewise.
11218         (fold_sign_changed_comparison): Likewise.
11219         (fold_unary): Likewise.
11220         (fold_negate_const): Likewise.
11221         (fold_abs_const): Likewise.
11222         (fold_not_const): Likewise.
11223         * c-common.c (shorten_compare): Use force_fit_type_double.
11224         * convert.c (convert_to_pointer): Likewise.
11225
11226 2007-01-08  Richard Guenther  <rguenther@suse.de>
11227
11228         * tree.h (build_int_cst_wide_type): Export.
11229         * tree.c (build_int_cst_wide_type): New function.
11230         (build_int_cst_wide): Fix comment.
11231         * builtins.c (fold_builtin_object_size): Use build_int_cst
11232         to build -1 or 0 of the correct type.  Use fit_double_type
11233         to check for overflow.
11234         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
11235         to build the mask.
11236         (decode_field_reference): Likewise.
11237         (all_ones_mask_p): Likewise.
11238         (native_interpret_int): Use build_int_cst_wide_type.
11239         (fold_binary): Use build_int_cst_type to build an all-ones
11240         value.
11241         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
11242
11243 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
11244
11245         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
11246
11247 2007-01-09  Ben Elliston  <bje@au.ibm.com>
11248
11249         * genautomata.c (STATS_OPTION): New option.
11250         (stats_flag): New flag.
11251         (gen_automata_option): Handle it.
11252         (initiate_automaton_gen): Ditto.
11253         (write_automata): Output statistics only if stats_flag is
11254         set. Likewise, output time statistics only if time_flag is set.
11255         * doc/md.texi (Processor pipeline description): Document new flag.
11256
11257 2007-01-08  Richard Guenther  <rguenther@suse.de>
11258
11259         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
11260         * tree.c (build_int_cst_type): Likewise.
11261         (size_in_bytes): Don't call force_fit_type on the result.
11262         (int_fits_type_p): Use fit_double_type.
11263         * fold-const.c (fit_double_type): New function.
11264         (force_fit_type): Use it.
11265         * tree.h (fit_double_type): Export.
11266
11267 2007-01-08  Jan Hubicka  <jh@suse.cz>
11268
11269         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
11270         * ipa.c (function_and_variable_visibility): Fix return type.
11271
11272 2007-01-08  Richard Guenther  <rguenther@suse.de>
11273
11274         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
11275         of offset to build the index.
11276         * tree-pretty-print.c (dump_generic_node): Don't build negated
11277         const just for printing.
11278         * c-pretty-print.c (pp_c_integer_constant): Likewise.
11279         * builtins.c (fold_builtin_int_roundingfn): Check if result
11280         fits the type by using force_fit_type and comparing the result.
11281         * predict.c (predict_loops): Use compare_tree_int for comparison.
11282         * tree.c (build_int_cst): Fall back to integer_type_node for
11283         NULL_TREE type.
11284         (build_int_cst_wide): Assert type is non-null.
11285
11286 2007-01-08  Roberto Costa  <roberto.costa@st.com>
11287
11288         * tree-vrp.c (extract_range_from_cond_expr): New.
11289         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
11290         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
11291         as expressions.
11292         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
11293         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
11294         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
11295         used as expressions.
11296         * tree-object-size.c (cond_expr_object_size): New.
11297         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
11298
11299 2007-01-08  Jan Hubicka  <jh@suse.cz>
11300
11301         * tree-ssa-forwprop.c (forward_propagate_into_cond,
11302         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
11303         statement.
11304
11305 2007-01-08  Richard Guenther  <rguenther@suse.de>
11306
11307         PR tree-optimization/23603
11308         * tree-vrp.c (set_value_range_to_truthvalue): New function.
11309         (extract_range_from_binary): Fall back to truthvalue instead of
11310         varying for TRUTH_*_EXPR.
11311         (extract_range_from_comparison): Fall back to truthvalue instead of
11312         varying.
11313         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
11314         if all visited PHI values were constant.
11315
11316 2007-01-08  Jan Hubicka  <jh@suse.cz>
11317
11318         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
11319         (cgraph_analyze_function): break out from ...
11320         (cgraph_finalize_compilation_unit): ... here.
11321         (cgraph_expand_function): Remove forgoten commented out line.
11322         (cgraph_optimize): Analyze functions.
11323
11324 2007-01-08  Jan Hubicka  <jh@suse.cz>
11325
11326         * tree-pas.h (TODO_remove_function): New flag.
11327         (TODO_update*): Renumber.
11328         (pass_ipa_increase_alignment,
11329         pass_ipa_function_and_variable_visibility): New passes.
11330         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
11331         (cgraph_function_and_variable_visibility): Move to ipa.c
11332         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
11333         cgraph_increase_alignment.
11334         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
11335         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
11336         calling tree-inline.
11337         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
11338         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
11339         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
11340         (gate_increase_alignment): New function.
11341         (pass_ipa_increase_alignment): New pass.
11342         * ipa.c: Inline tree-pass.h and timevar.h
11343         (function_and_variable_visibility): Move here from cgraphunit.c
11344         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
11345         * passes.c (init_optimization_passes): Add the two new passes.
11346         (execute_todo): Handle cgraph_remove_functions.
11347
11348 2007-01-08  Nick Clifton  <nickc@redhat.com>
11349
11350         * config/frv/predicates.md (reg_or_0_operand): Accept
11351         CONST_DOUBLEs.
11352
11353 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
11354
11355         * config/bfin/rtems.h, config/bfin/t-rtems: New.
11356         * config.gcc: Add bfin*-rtems*.
11357
11358 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11359
11360         * c.opt: Add -flax-vector-conversions.
11361         * c-typeck.c (convert_for_assignment): Pass flag to
11362         vector_types_convertible_p to allow emission of note.
11363         (digest_init): Likewise.
11364         * c-opts.c: Handle -flax-vector-conversions.
11365         * c-common.c (flag_lax_vector_conversions): New.
11366         (vector_types_convertible_p): Unless -flax-vector conversions
11367         has been passed, disallow conversions between vectors with
11368         differing numbers of subparts and/or element types.  If such
11369         a conversion is disallowed, possibly emit a note on the first
11370         occasion only to inform the user of -flax-vector-conversions.
11371         The new last argument specifies this.
11372         * c-common.h (flag_lax_vector_conversions): New.
11373         (vector_types_convertible_p): Add extra argument.
11374         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
11375         char_type_node for V*QI type vectors.
11376         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
11377         Update to satisfy new typechecking rules.
11378         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
11379         C and C++ variants.
11380         * doc/invoke.texi (C Dialect Options): Document
11381         -flax-vector-conversions.
11382
11383 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11384
11385         PR tree-optimization/29877
11386         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
11387         a register variable on the RHS to not be replaceable.
11388
11389 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
11390         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
11391         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
11392         const_simm15, const_pow2, const_npow2): Added.
11393         * config/score/misc.md (insv, extv, extzv, movmemsi,
11394         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
11395         * config/score/score.c (score_address_cost, score_select_cc_mode):
11396         Added.
11397         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
11398         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
11399         Update score_print_operand.
11400         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
11401         Adjust register allocate order and update some macro define.
11402         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
11403         mdx_block_move_straight, mdx_block_move_loop_head,
11404         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
11405         mdx_block_move): Added.
11406         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
11407         mdp_limm): Updated and fix some bug and typo.
11408         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
11409         (movsf, movdf, doloop_end): Added.
11410
11411 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
11412
11413         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
11414         config/arm/thumb2.md: Fix comment typos.
11415         * doc/extend.texi: Fix a typo.
11416
11417 2007-01-07  Eric Christopher  <echristo@apple.com>
11418
11419         * configure.ac: Check for __stack_chk_fail for darwin.
11420         * configure: Regenerate.
11421
11422 2007-01-07  Richard Guenther  <rguenther@suse.de>
11423
11424         * tree-vrp.c (extract_range_from_assert): CSE calls to
11425         compare_values where possible.
11426         (extract_range_from_unary_expr): Likewise.
11427
11428 2007-01-07  Anatoly Sokolov <aesok@post.ru>
11429
11430         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
11431         * config/avr/avr.c (call_insn_operand): Delete function.
11432         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
11433         instead of register number. Use predicates.
11434         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
11435         call_insn_operand): Add.
11436
11437 2007-01-06  Jan Hubicka  <jh@suse.cz>
11438
11439         * tree-pass.h (pass_build_cgraph_edges): Declare.
11440         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
11441         (visited_nodes): Remove.
11442         (cgraph_create_edges): Move to cgraphbuild.c; rename to
11443         build_cgrpah_edges; make visited_nodes local.
11444         (cgraph_process_new_functions): DO not call initialize_inline_failed.
11445         (record_references_in_initializer): Move to cgraphbuild.c
11446         (initialize_inline_failed, rebuild_cgraph_edges,
11447         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
11448         (verify_cgraph_node): Make visited_nodes local.
11449         (cgraph_analyze_function): Do not call cgraph_create_edges and
11450         initialize_inline_failed.
11451         (cgraph_expand_function): Do not call cgraph_lower_function;
11452         assert that function is already lowered.
11453         * Makefile.in (cgraphbuild.o): New.
11454         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
11455         at the end of lowering passes.
11456
11457 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
11458
11459         * ifcvt.c (cond_move_convert_if_block): New function, code
11460         factored out from...
11461         (cond_move_process_if_block): ...here.  Call the new function
11462         on the THEN and ELSE blocks.
11463         (merge_if_block): Do not copy global_live_at_end, merge_blocks
11464         already takes care of this.
11465
11466 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11467
11468         PR c/19978
11469         * tree.h (TREE_OVERFLOW_P): New.
11470         * c-typeck.c (parser_build_unary_op): Warn only if result
11471         overflowed and operands did not.
11472         (parser_build_binary_op): Likewise.
11473         (convert_for_assignment): Remove redundant overflow_warning.
11474         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
11475
11476 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11477
11478         * c-typeck.c (store_init_value): Split over two lines to follow
11479         the GNU coding style.
11480
11481 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
11482
11483         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
11484         __GXX_EXPERIMENTAL_CXX0X__.
11485         * doc/cpp.texi: Same.
11486
11487 2007-01-05  Richard Guenther  <rguenther@suse.de>
11488
11489         PR middle-end/27826
11490         * tree.c (get_narrower): Do not construct COMPONENT_REFs
11491         with mismatched types.  Instead explicitly build a
11492         conversion NOP_EXPR.
11493
11494 2007-01-05  Ian Lance Taylor  <iant@google.com>
11495
11496         * c-common.c (decl_with_nonnull_addr_p): New function.
11497         (c_common_truthvalue_conversion): Call it.
11498         * c-typeck.c (build_binary_op): Likewise.
11499         * c-common.h (decl_with_nonnull_addr_p): Declare.
11500
11501 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
11502
11503         PR c/30360
11504         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
11505         denom against 0.0.
11506
11507 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
11508
11509         * doc/install.texi (Final install): Document the fact that
11510         the GNAT runtime should not be stripped.
11511
11512 2007-01-04  Jan Hubicka  <jh@suse.cz>
11513
11514         * tree-inline.c (fold_marked_statements): Update operand caches
11515         and EH after folding
11516
11517 2007-01-04  Ian Lance Taylor  <iant@google.com>
11518
11519         * c-common.c (check_function_nonnull): Whitespace fix.
11520
11521 2007-01-04  Jan Hubicka  <jh@suse.cz>
11522
11523         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
11524         comitted older version of patch.
11525         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
11526         function, celanup cfg and collect garbage.
11527
11528 2007-01-04  Mike Stump  <mrs@apple.com>
11529
11530         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
11531         (clean): Likewise.
11532
11533 2007-01-04  Eric Christopher  <echristo@apple.com>
11534
11535         * libgcc2.c (__bswapsi2): Use SItype.
11536         (__bswapdi2): Use DItype.
11537         * libgcc2.h: Update for above.
11538
11539 2007-01-04  Paul Brook  <paul@codesourcery.com>
11540
11541         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
11542         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
11543         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
11544         umulsidi3, umulsidi3adddi, smulsi3_highpart,
11545         umulsi3_highpart): Make conditional on !arm_arch6.
11546         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
11547         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
11548         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
11549         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
11550         umulsi3_highpart_v6): New insns.
11551
11552 2007-01-04  Roger Sayle  <roger@eyesopen.com>
11553
11554         * fold-const.c (fold_convert): When casting an expression to void,
11555         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
11556         have a type.  Instead of attempting to build a NOP_EXPR, return
11557         these "special" trees directly.
11558
11559 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
11560
11561         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
11562         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
11563         rs6000_cost->fp not 0 as adjustment for outer NEG.
11564
11565 2007-01-04  Jan Hubicka  <jh@suse.cz>
11566
11567         * cgraph.c (cgraph_release_function_body): New function.
11568         (cgraph_remove_node): Use it.
11569         * cgraph.h (cgraph_release_function_body): Declare.
11570         * cgraphunit.c (cgraph_expand_function): Use it.
11571         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
11572         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
11573         is initialized and while compilation of other function is running.
11574         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
11575         statement CFG annotations from here to ...
11576         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
11577
11578 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
11579
11580         * cfgloop.h (enum li_flags): Make the constants powers of two.
11581
11582 2007-01-04  Jan Hubicka  <jh@suse.cz>
11583
11584         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
11585         set.
11586         (fold_marked_statements): New function.
11587         (optimize_inline_calls, tree_function_versioning): Fold new statements.
11588         * tree-inline.h (copy_body_data): Add statements_to_fold.
11589
11590 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
11591
11592         * config.gcc: Mention libgcc/config.host.
11593         * Makefile.in: Update comments mentioning libgcc.
11594         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
11595         (all.cross, start.encap, rest.encap, rest.cross): Update
11596         dependencies for libgcc move.
11597         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
11598         (clean-target, clean-target-libgcc): Delete.
11599         (srcdirify, GCC_EXTRA_PARTS): New macros.
11600         (libgcc-support, libgcc.mvars): New rules.
11601         (distclean): Remove mention of mklibgcc.
11602         (install): Don't reference INSTALL_LIBGCC.
11603         (install-common): Don't reference EXTRA_PARTS.
11604         (install-libgcc, install-multilib): Delete rules.
11605         * mklibgcc.in: Delete file.
11606         * doc/configfiles.texi: Don't mention mklibgcc.
11607
11608         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
11609         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
11610         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
11611         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
11612         (mklibgcc, ldblspecs): Likewise.
11613
11614         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
11615         (posixpre.def): Use $(T).
11616         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
11617         (SHLIB_SRC, SHLIB_INSTALL): Delete.
11618         (SHLIB_LINK): Make dummy.
11619         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
11620
11621         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
11622
11623         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
11624         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
11625         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
11626         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
11627
11628         * configure.ac (all_outputs): Remove mklibgcc.
11629         * configure: Regenerated.
11630
11631 2007-01-03  Josh Conner  <jconner@apple.com>
11632
11633         PR middle-end/29683
11634         * calls.c (compute_argument_addresses): Set stack and stack_slot
11635         for partial args, too.
11636         (store_one_arg): Use locate.size.constant for the size when
11637         generating a save_area.
11638
11639 2007-01-03  Robert Kennedy <jimbob@google.com>
11640
11641         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
11642         whose definitions are deleted due to basic block merging.
11643
11644 2007-01-03  Paul Brook  <paul@codesourcery.com>
11645
11646         PR target/16634
11647         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
11648         functions.
11649         (use_return_insn): Return 0 for Thumb interrupt functions.
11650         (print_multi_reg): Add rfe argument for IRQ returns.
11651         (arm_output_epilogue): Pop interrupt return address directly into PC.
11652         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
11653
11654 2007-01-03  Paul Brook  <paul@codesourcery.com>
11655
11656         Merge from sourcerygxx-4_1.
11657         * config/arm/thumb2.md: New file.
11658         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
11659         Thumb-2.
11660         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
11661         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
11662         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
11663         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
11664         tables.
11665         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
11666         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
11667         comptibility.
11668         * config/arm/ieee754-sf.S: Ditto.
11669         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
11670         (thumb1_base_register_rtx_p): ... to this.
11671         (thumb_index_register_rtx_p): Rename...
11672         (thumb1_index_register_rtx_p): ... to this.
11673         (thumb_output_function_prologue): Rename...
11674         (thumb1_output_function_prologue): ... to this.
11675         (thumb_legitimate_address_p): Rename...
11676         (thumb1_legitimate_address_p): ... to this.
11677         (thumb_rtx_costs): Rename...
11678         (thumb1_rtx_costs): ... to this.
11679         (thumb_compute_save_reg_mask): Rename...
11680         (thumb1_compute_save_reg_mask): ... to this.
11681         (thumb_final_prescan_insn): Rename...
11682         (thumb1_final_prescan_insn): ... to this.
11683         (thumb_expand_epilogue): Rename...
11684         (thumb1_expand_epilogue): ... to this.
11685         (arm_unwind_emit_stm): Rename...
11686         (arm_unwind_emit_sequence): ... to this.
11687         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
11688         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
11689         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
11690         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
11691         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
11692         thumb2_output_casesi): New functions.
11693         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
11694         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
11695         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
11696         THUMB2_WORK_REGS): Define.
11697         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
11698         arm_condexec_mask, arm_condexec_masklen)): New variables.
11699         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
11700         (arm_override_options): Check new CPU capabilities.
11701         Set new architecture flag variables.
11702         (arm_isr_value): Handle v7m interrupt functions.
11703         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
11704         Thumb-2.
11705         (const_ok_for_arm): Handle Thumb-2 constants.
11706         (arm_gen_constant): Ditto.  Use movw when available.
11707         (arm_function_ok_for_sibcall): Return false for v7m interrupt
11708         functions.
11709         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
11710         (thumb_find_work_register, arm_load_pic_register,
11711         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
11712         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
11713         print_multi_reg, output_mov_long_double_fpa_from_arm,
11714         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
11715         output_mov_double_fpa_from_arm, output_move_double,
11716         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
11717         output_return_instruction, arm_output_function_prologue,
11718         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
11719         arm_output_mi_thunk, thumb_set_return_address): Ditto.
11720         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
11721         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
11722         (arithmetic_instr, shift_op): Use arm_shift_nmem.
11723         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
11724         '!' and 'L'.
11725         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
11726         (thumb_expand_prologue): Use thumb_set_frame_pointer.
11727         (arm_file_start): Output directive for unified syntax.
11728         (arm_unwind_emit_set): Handle stack alignment instruction.
11729         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
11730         Add v6t2, v7, v7a, v7r and v7m.
11731         (RETLDM): Add Thumb-2 code.
11732         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
11733         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
11734         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
11735         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
11736         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
11737         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
11738         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
11739         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
11740         ADJUST_INSN_LENGTH): Define.
11741         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
11742         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
11743         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
11744         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
11745         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
11746         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
11747         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
11748         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
11749         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
11750         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
11751         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
11752         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
11753         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
11754         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
11755         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
11756         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
11757         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
11758         cortex-m3.
11759         * config/arm/arm-tune.md: Regenerate.
11760         * config/arm/arm-protos.h: Update prototypes.
11761         * config/arm/vfp.md: Enable patterns for Thumb-2.
11762         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
11763         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
11764         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
11765         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
11766         * config/arm/libunwind.S: Add Thumb-2 code.
11767         * config/arm/constraints.md: Update include Thumb-2.
11768         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
11769         * config/arm/ieee754-df.S: Ditto.
11770         * config/arm/bpabi.S: Ditto.
11771         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
11772         * config/arm/predicates.md (low_register_operand,
11773         low_reg_or_int_operand, thumb_16bit_operator): New.
11774         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
11775         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
11776         * config/arm/t-arm-elf: Add armv7 multilib.
11777         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
11778         Include thumb2.md.
11779         (UNSPEC_STACK_ALIGN, ce_count): New.
11780         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
11781         arm_zero_extendsidi2, arm_zero_extendqidi2): New
11782         insns/expanders.
11783         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
11784         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
11785         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
11786         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
11787         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
11788         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
11789         insns.
11790         * doc/extend.texi: Document ARMv7-M interrupt functions.
11791         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
11792
11793 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
11794
11795         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
11796         (struct _Unwind_Context): Rename args_size to flags, remove
11797         signal_frame field, add a new args_size field and version field.
11798         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
11799         _Unwind_IsExtendedContext): New inline functions.
11800         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11801         Assume by_value array is only present if _Unwind_IsExtendedContext.
11802         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
11803         _Unwind_IsSignalFrame.
11804         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
11805         (uw_update_context_1): Use _Unwind_SetSignalFrame.
11806         (uw_init_context_1): Initialize context->flags to
11807         EXTENDED_CONTEXT_BIT.
11808         * config/rs6000/linux-unwind.h (frob_update_context): Use
11809         _Unwind_SetSignalFrame.
11810
11811 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11812
11813         PR middle-end/30353
11814         * gimplify.c (gimplify_modify_expr_complex_part): Move below
11815         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
11816         the value.
11817
11818 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
11819
11820         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
11821         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
11822         RET, AT_SP): Remove.
11823         * config/i386/i386.md (*sse_prologue_save_insn): Use return
11824         instead of RET.
11825
11826         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11827         * cfgbuild.c (find_basic_blocks): Likewise.
11828         * cfgrtl.c (rtl_create_basic_block): Likewise.
11829         * function.c (temp_slots_at_level): Likewise.
11830         * reg-stack.c (stack_regs_mentioned): Likewise.
11831         * regclass.c (allocate_reg_info): Likewise.
11832         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11833         set_bb_for_stmt, move_block_to_fn): Likewise.
11834         * tree-complex.c (tree_lower_complex): Likewise.
11835         * vec.h (VEC_safe_grow_cleared): New.
11836
11837         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
11838
11839 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
11840
11841         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
11842         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
11843         to loop_version.
11844         * cfgloopmanip.c (scale_loop_frequencies): Export.
11845         (loopify): Scale the frequencies by prescribed coefficients.
11846         (set_zero_probability): New function.
11847         (duplicate_loop_to_header_edge): Improve updating of frequencies.
11848         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
11849         and frequencies according to arguments.
11850         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
11851         correctly.
11852         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
11853         * modulo-sched.c (sms_schedule): Set probabilities for entering
11854         versioned loop correctly.
11855         * tree-vect-transform.c (vect_transform_loop): Ditto.
11856         * cfgloop.h (loopify, loop_version): Declaration changed.
11857         (scale_loop_frequencies): Declared.
11858
11859 2007-01-02  Jan Hubicka  <jh@suse.cz>
11860
11861         * cgraph.c: Include tree-flow.h
11862         (cgraph_add_new-function): Handle IPA_SSA mode; execute
11863         early_local_passes.
11864         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
11865         * tree-pass.h (pass_all_early_optimizations): Declare.
11866         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
11867         early_local_passes.
11868         (cgraph_analyze_function): Do early_local_passes.
11869         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
11870         Do not add referenced vars.
11871         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
11872         SSA form.
11873         (gate_all_early_local_passes): New gate.
11874         (pass_early_local_passes): Use new gate.
11875         (execute_early_local_optimizations): New functions.
11876         (gate_all_early_optimizations): New gate.
11877         (pass_all_early_optimizations): New pass.
11878         (execute_free_datastructures): Free SSA only when initialized.
11879         (gate_init_datastructures): Init only when optimizing.
11880         (tree_lowering_passes): Do early local passes when called late.
11881         * tree-profile.c (do_tree_profiling): Don't profile functions added
11882         late.
11883         (do_early_tree_profiling, pass_early_tree_profile): Kill.
11884         * tree-cfg.c (update_modified_stmts): Do not update when operands are
11885         not active.
11886         * passes.c (init_optimizations_passes): Reorder so we go into SSA
11887         during early_local_passes.
11888         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
11889
11890
11891 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
11892
11893         * Makefile.in: Update copyright year.
11894
11895 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
11896
11897         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
11898         in $(lang_checks) and check-consistency targets.
11899
11900 2007-01-02  Jan Hubicka  <jh@suse.cz>
11901
11902         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
11903         Do not add referenced vars.
11904         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
11905         are not active.
11906         * passes.c (init_optimization_passes): Put mudflap_2 after
11907         free_datastructures.
11908
11909 2007-01-02  Jan Hubicka  <jh@suse.cz>
11910
11911         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
11912         Set NOTHROW flag on call statements proved to be nothrow.
11913         Update statement of local calls so new pure/const functions are
11914         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
11915         goto receivers.
11916         (tree_rest_of_compilation): Register hooks and initialize bitmap
11917         early. Do not set after_inlining flag.
11918
11919 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
11920
11921         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
11922         HOST_BITS_PER_LONGLONG
11923
11924 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11925
11926         PR c/19977
11927         * c-typeck.c (store_init_value): Don't emit pedantic overflow
11928         warning for non-static initializers.
11929
11930 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
11931
11932         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
11933         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
11934         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
11935         Always use set_unique_reg_note to add REG_EQUAL notes.
11936
11937 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11938
11939         Revert:
11940         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11941
11942         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11943         * cfgbuild.c (find_basic_blocks): Likewise.
11944         * cfgrtl.c (rtl_create_basic_block): Likewise.
11945         * function.c (temp_slots_at_level): Likewise.
11946         * reg-stack.c (stack_regs_mentioned): Likewise.
11947         * regclass.c (allocate_reg_info): Likewise.
11948         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11949         set_bb_for_stmt, move_block_to_fn): Likewise.
11950         * tree-complex.c (tree_lower_complex): Likewise.
11951         * vec.h (VEC_safe_grow_cleared): New.
11952
11953 2007-01-02  Ian Lance Taylor  <iant@google.com>
11954
11955         * c-common.c (c_common_truthvalue_conversion): When warning about
11956         using an assignment as a truth value, set TREE_NO_WARNING.
11957
11958 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11959
11960         PR middle-end/7651
11961         * c.opt (Wold-style-declaration): New.
11962         * doc/invoke.texi (C-only Warning Options): New.
11963         (Wold-style-declaration): Document it.
11964         (Wextra): Enabled by -Wextra.
11965         * c-opts.c (c_common_post_options): Enabled by -Wextra.
11966         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
11967         -Wold-style-declaration.
11968
11969 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11970
11971         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11972         * cfgbuild.c (find_basic_blocks): Likewise.
11973         * cfgrtl.c (rtl_create_basic_block): Likewise.
11974         * function.c (temp_slots_at_level): Likewise.
11975         * reg-stack.c (stack_regs_mentioned): Likewise.
11976         * regclass.c (allocate_reg_info): Likewise.
11977         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11978         set_bb_for_stmt, move_block_to_fn): Likewise.
11979         * tree-complex.c (tree_lower_complex): Likewise.
11980         * vec.h (VEC_safe_grow_cleared): New.
11981
11982 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
11983
11984         * c-common.c (c_common_nodes_and_builtins): Since variants of
11985         void_type_node get built before it is given a name, we need to
11986         give those variants the name, too.
11987         (complete_array_type): We need to work with the canonical main
11988         type of the array, from which we will build the qualified version.
11989         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
11990         * print-tree.c (print_node): Display canonical type information
11991         for each type.
11992         * stor-layout.c (layout_type): When we don't know the
11993         alignment of a type for which we're building an array, we end up
11994         guessing wrong, so make the type require structural equality.
11995         * tree.c (make_node_stat): When we build a new type, it is its
11996         own canonical type.
11997         (build_type_attribute_qual_variant): When building an attribute
11998         variant, its canonical type is the non-attribute variant. However,
11999         if the attributes are target-dependent and they differ, we need to
12000         use structural equality checks for this type.
12001         (build_qualified_type): A qualified type is not equivalent to its
12002         unqualified variant; set the canonical type appropriately.
12003         (build_distinct_type_copy): When building a distinct type from
12004         another type, the new type is its own canonical type.
12005         (build_variant_type_copy): When building a new type variant, we
12006         assume that it is equivalent to the original type.
12007         (build_pointer_type_for_mode): When building a pointer type, also
12008         build a canonical type pointer.
12009         (build_reference_type_for_mode): When building a reference type,
12010         also build a canonical type reference.
12011         (build_index_type): When we can't hash an index type (e.g.,
12012         because its maximum value is negative), the index type requires
12013         structural equality tests.
12014         (build_array_type): Build the canonical form of an array type.
12015         (build_function_type): Function types require structural equality,
12016         because they contain default arguments, attributes, etc.
12017         (build_method_type_directly): Ditto for method types.
12018         (build_offset_type): Build the canonical offset type.
12019         (build_complex_type): Build the canonical vector type.
12020         (make_vector_type): Build the canonical vector type.
12021         * tree.h (TYPE_CANONICAL): New.
12022         (TYPE_STRUCTURAL_EQUALITY_P): New.
12023         (SET_TYPE_STRUCTURAL_EQUALITY): New.
12024         (struct tree_type): Added "canonical" field.
12025         * params.h (VERIFY_CANONICAL_TYPES): New.
12026         * doc/c-tree.texi (TYPE_CANONICAL): Document.
12027         (TYPE_STRUCTURAL_EQUALITY_P): Document.
12028         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
12029         * doc/invoke.texi (verify-canonical-types): Document --param
12030         parameter for verifying canonical types.
12031
12032 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12033
12034         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
12035         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
12036         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
12037         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
12038         tm_file.
12039         * config/rs6000/e500.h: New.
12040         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
12041         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
12042         Remove.
12043         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
12044         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
12045         TARGET_E500_DOUBLE): Remove.
12046         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
12047         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
12048         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
12049         * config/rs6000/rs6000.c (rs6000_override_options): Use
12050         CHECK_E500_OPTIONS.
12051
12052 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12053
12054         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
12055         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
12056         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
12057         rs6000_emit_cmove): Don't check TARGET_E500.
12058         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
12059         sordered): Don't check TARGET_E500.
12060
12061 2007-01-01  Eric Christopher  <echristo@apple.com>
12062
12063         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
12064         HARD_REGISTER_NUM_P.
12065
12066 2007-01-01  Roger Sayle  <roger@eyesopen.com>
12067
12068         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
12069         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
12070         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
12071         eq/ne Y".
12072
12073 2007-01-01  Mike Stump  <mrs@apple.com>
12074
12075         * configure.ac: Remove support for building with Apple's gcc-3.1.
12076
12077 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12078
12079         PR middle-end/30311
12080         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
12081         REG is a hard register.  Do not modify REG before calling
12082         subreg_nregs.
12083         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
12084         multiple of the size of YMODE for certain lowpart cases.
12085
12086 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12087
12088         PR middle-end/30253
12089         * gimplify (voidify_wrapper_expr): Update for
12090         GIMPLE_MODIFY_STMT.
12091
12092 2007-01-01  Andreas Schwab  <schwab@suse.de>
12093
12094         PR target/29166
12095         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
12096         save of BR0 in extra_spill_size instead of spill_size.
12097         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
12098         area.
12099         (ia64_expand_epilogue): Restore BR0 from its new location.
12100
12101 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12102
12103         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
12104         Use a temporary variable if the left hand side is not a gimple
12105         register.
12106
12107 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12108
12109         * gimplify.c (gimplify_return_expr): Make the temporary variable
12110         for the return expression, a gimple register variable.
12111
12112 2007-01-01  Jan Hubicka  <jh@suse.cz>
12113
12114         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
12115         INSN_LIST.
12116
12117 2007-01-01  Mike Stump  <mrs@apple.com>
12118
12119         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
12120         .literal16.
12121         * config/darwin.c (machopic_select_rtx_section): Use
12122         HAVE_GAS_LITERAL16.
12123         (darwin_mergeable_constant_section): Likewise.
12124         * configure: Regenerate.
12125         * config.in: Regenerate.
12126
12127 2007-01-01  Jan Hubicka  <jh@suse.cz>
12128             Andrew Pinski  <pinskia@gmail.com>
12129
12130         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
12131         before starting IPA passes.