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PR target/31701
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
2
3         PR target/31701
4         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
5         register itself to hold the offset constant.  Tell flow the use
6         of r4 and r5 when they are used.
7
8 2007-04-27  Richard Guenther  <rguenther@suse.de>
9
10         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
11         if we simplified anything.
12         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
13         warnings until we did a simplification and the stmt was not
14         marked as TREE_NO_WARNING.
15
16 2007-04-27  Mike Stump  <mrs@apple.com>
17
18         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
19
20 2007-04-27  Ian Lance Taylor  <iant@google.com>
21
22         PR middle-end/31710
23         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
24         TYPE_MAX_VALUE exist, convert them to the new type.
25
26 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
27
28         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
29         if it claims to be available.
30         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
31         edge is redirected.
32         (perform_tree_ssa_dce): Always free postdominators.
33
34 2007-04-27  Richard Henderson  <rth@redhat.com>
35
36         * config/alpha/predicates.md (aligned_memory_operand): Mark
37         as define_special_predicate.
38         (unaligned_memory_operand, normal_memory_operand): Likewise.
39         (reg_or_unaligned_mem_operand): Remove.
40         (any_memory_operand): Match the documentation and check for
41         non-renumbered pseudos during reload.
42         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
43         alpha_secondary_reload_class, update to new interface, make static.
44         Handle CQImode like HImode.  Remove FP subreg check.
45         (alpha_expand_mov): Use replace_equiv_address.
46         (alpha_expand_mov_nobwx): Use any_memory_operand.
47         (TARGET_SECONDARY_RELOAD): New.
48         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
49         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
50         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
51         * config/alpha/alpha.md: ... here.
52         (RELOAD12, reloadmode): New.
53         (movcqi): New.
54         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
55         Don't handle the aligned case here.
56         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
57         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
58         reload_inhi_help.  Don't expect a scratch register.
59         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
60         reload_outhi_help.
61         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
62
63 2007-04-27  Richard Guenther  <rguenther@suse.de>
64
65         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
66
67 2007-04-27  Richard Guenther  <rguenther@suse.de>
68
69         PR tree-optimization/30965
70         PR tree-optimization/30978
71         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
72         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
73         (find_equivalent_equality_comparison): Likewise.
74         (simplify_cond): Likewise.
75         (get_prop_source_stmt): New helper.
76         (get_prop_dest_stmt): Likewise.
77         (can_propagate_from): Likewise.
78         (remove_prop_source_from_use): Likewise.
79         (combine_cond_expr_cond): Likewise.
80         (forward_propagate_comparison): New function.
81         (forward_propagate_into_cond): Rewrite to use fold for
82         tree combining.
83         (tree_ssa_forward_propagate_single_use_vars): Call
84         forward_propagate_comparison to propagate comparisons.
85
86 2007-04-27  Richard Guenther  <rguenther@suse.de>
87
88         PR tree-optimization/31715
89         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
90         sure to do computation on the offset in an appropriate
91         signed type.
92
93 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
94
95         * reload.h (elimination_target_reg_p): Declare.
96         * reload.c (find_reloads): Don't apply the reg_rtx move
97         optimization if the SET_DEST satisfies elimination_target_reg_p.
98         * reload1.c (elimination_target_reg_p): New function.
99         (gen_reload): In the move/add2 fallback, make sure that op0
100         does not overlap the destination register.
101
102 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
103
104         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
105         transform only GIMPLE_MODIFY_STMTs.
106         * tree-complex.c (expand_complex_operations_1): Ditto.
107         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
108         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
109         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
110         branches.
111         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
112         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
113         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
114         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
115         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
116         slpeel_add_loop_guard): Ditto.
117         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
118         * lambda-code.c (perfect_nestify): Ditto.
119         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
120         before the first statement.
121         * tree-optimize.c (execute_free_datastructures): Fix comments.
122         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
123         * tree-flow.h (disband_implicit_edges): Declaration removed.
124         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
125         branches.
126         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
127         without gotos.
128         (disband_implicit_edges, has_label_p): Removed.
129         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
130         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
131         branches.
132         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
133         side effects.
134         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
135         also for COND_EXPRs.
136         * cfgexpand.c (label_rtx_for_bb): New function.
137         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
138         Use label_rtx_for_bb to find the labels.
139         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
140         last block.  Detect fallthru edges.
141
142 2007-04-26  Ian Lance Taylor  <iant@google.com>
143
144         PR target/28675
145         * reload.c (find_reloads_subreg_address): If the address was valid
146         in the original mode but not in the new mode, reload the whole
147         address.
148
149 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
150
151         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
152         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
153         (cleanup_control_expr_graph): Do not invalidate dominance info.
154         Record altered blocks.
155         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
156         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
157         cleanup_tree_cfg_bb): New functions.
158         (remove_forwarder_block): Do not maintain the worklist of blocks.
159         Record altered blocks.
160         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
161         not over whole cfg.
162         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
163         delete_unreachable_blocks if dominators are not available.
164         * tree-inline.c (optimize_inline_calls): Free dominance information
165         earlier.
166         * tree-flow.h (remove_edge_and_dominated_blocks,
167         cfgcleanup_altered_bbs): Altered.
168         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
169         blocks.
170         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
171         functions.
172         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
173         do not invalidate dominators.
174
175 2007-04-26  Anatoly Sokolov <aesok@post.ru>
176
177         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and 
178         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
179         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
180         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
181
182 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
183
184         * config/ia64/ia64.md (ip_value):  Fix itanium_class attribute.
185
186 2007-04-26  Richard Guenther  <rguenther@suse.de>
187
188         PR tree-optimization/31703
189         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
190         the right type for the target of the bittest.
191
192 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
193
194         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
195         ix86_sol10_return_in_memory.
196
197 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
198
199         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
200         variables.
201
202 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
203
204         PR c++/31598
205         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
206
207         PR tree-optimization/30558
208         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
209         clear this_state.prev_try.
210
211 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
212             Mark Mitchell  <mark@codesourcery.com>
213
214         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
215         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
216         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
217
218 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
219
220         PR driver/31107
221         * doc/invoke.texi (%:print-asm-header): Document.
222         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
223         and -ftarget-help.
224         (static_spec_functions): Add print-asm-header.
225         (main): Print a banner before the --target-help linker options.
226         (print_asm_header_spec_function): New function.
227
228 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
229
230         PR target/31403
231         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
232         (movsf_ie): Likewise.
233
234 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
235
236         * doc/extend.texi ([Type Traits]): Adjust per N2255.
237
238 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
239
240         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
241         for divide-by-zero.
242         (__umodsi3, __modsi3): Likewise.
243
244 2007-04-25  Dirk Mueller  <dmueller@suse.de>
245
246         * c-typeck.c (build_compound_expr): Annotate warning()
247         call with OPT_Wunused_value.
248         * tree-ssa.c (warn_uninit): Annotate warning with
249         OPT_Wunintialized.
250         * c-common.c (handle_sentinel_attribute): Annotate warning
251         call with OPT_Wattributes.
252
253 2007-04-25  Thiemo Seufer  <ths@mips.com>
254
255         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
256         (mips16): Fix typo.
257         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
258         on to the assembler.  Improve handling of -mno-mips16.  Add handling
259         of -mno-mips3d, -mno-dsp, -mno-dspr2.
260         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
261         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
262         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
263
264 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
265
266         PR target/31680
267         * config/i386/winnt.c (i386_pe_file_end): Strip only
268         USER_LABEL_PREFIX when writing export name.
269
270 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
271
272         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
273         sh/elf.h, vx-common.h and vxworks.h.
274         * config/sh/sh.h: Include config/vxworks-dummy.h.
275         (SUBTARGET_OVERRIDE_OPTIONS): Define.
276         (OVERRIDE_OPTIONS): Use it.
277         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
278         (vxworks_picreg): New pattern.
279         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
280         VXWORKS_OS_CPP_BUILTINS.
281         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
282         to their VXWORKS_* equivalents.
283         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
284         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
285         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
286         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
287         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
288         -mrtp/-fPIC multilibs.
289         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
290         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
291         (MULTILIB_OSDIRNAMES): Delete.
292
293 2007-04-25  Anatoly Sokolov <aesok@post.ru>
294
295         PR target/18989
296         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
297
298 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
299
300         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
301         rounding mode to be specified by the caller.
302         (real_to_mpfr) Likewise.
303         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
304         include new arguments.
305         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
306
307 2007-04-24  Ian Lance Taylor  <iant@google.com>
308
309         PR tree-optimization/31605
310         * tree-vrp.c (set_value_range): Check that min and max are not
311         both overflow infinities.
312         (set_value_range_to_value): New static function.
313         (extract_range_from_binary_expr): Call set_value_range_to_value.
314         (extract_range_from_cond_expr): Likewise.
315         (extract_range_from_expr): Likewise.
316         (extract_range_from_unary_expr): Likewise.  Don't create a range
317         which overflows on both sides.
318         (vrp_meet): Check for a useless range.
319         (vrp_visit_phi_node): If we see a constant which looks like an
320         overflow infinity, turn off the TREE_OVERFLOW flag.
321
322 2007-04-24  Ian Lance Taylor  <iant@google.com>
323
324         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
325
326 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
327
328         PR diagnostic/25923
329         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
330         diagnostic message is being built.
331         * tree-pretty-print.c (dump_generic_node): Only write the
332         formatted text into BUFFER's stream if we are not building a
333         diagnostic message.
334         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
335         dump_generic_node.
336         * Makefile.in (toplev.o): Depend on tree-pass.h.
337
338 2007-04-24  Ian Lance Taylor  <iant@google.com>
339
340         PR tree-optimization/31602
341         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
342         conditionals in the copied loop header.
343         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
344         warnings if TREE_NO_WARNING is set.
345         * doc/invoke.texi (Warning Options): Clarify that
346         -Wstrict-overflow does not warn about loops.
347
348 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
349
350         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
351         expand on the comment about _Decimal128 arguments and check the
352         integer result of the modulus operation; for 64-bit ELF ABI, ensure
353         that _Decimal128 argument uses even/odd register pair.
354         (function_arg): Ditto.
355
356 2007-04-24  Hui-May Chang <hm.chang@apple.com>
357
358         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
359         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
360
361 2007-04-24  Richard Guenther  <rguenther@suse.de>
362             Olga Golovanevsky  <olga@il.ibm.com>
363
364         * fold-const.c (multiple_of_p): Check for bottom 
365         to be zero. 
366
367 2007-04-24  Richard Henderson  <rth@redhat.com>
368
369         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from 
370         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
371         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
372         looking for non-zero bits shifted out.  Avoid a recursive call
373         when constructing the scalar.
374         (__floatundisf): Likewise.
375
376 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
377
378         * dwarf2out.c (field_byte_offset): Move the existing logic
379         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
380         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
381
382 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
383
384         PR target/31641
385         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
386         argument of 0 for memset.
387         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
388         unsigned shift instead of the signed variant.
389
390 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
391
392         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
393         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
394         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
395         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
396         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
397         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
398         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
399         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
400         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
401         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
402         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
403         "mul<mode>3", "div<mode>3"): Insn definitions added.
404         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
405         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
406         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
407         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
408         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
409         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
410         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
411         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
412         TARGET_FLOAT_FORMAT): Macro definitions removed.
413         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
414         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
415         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
416         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
417         (s390_gen_rtx_const_DI): Function removed.
418         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
419
420 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
421
422         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
423         over an external ffs function.
424
425 2007-04-24  Chao-ying Fu  <fu@mips.com>
426             Richard Sandiford  <richard@nildram.co.uk>
427
428         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
429         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
430         (smadd_widen_optab, umadd_widen_optab): Define.
431         * optabs.c (init_optabs): Initialize smadd_widen_optab and
432         umadd_widen_optab.
433         * genopinit.c (optabs): Fill in smadd_widen_optab and
434         umadd_widen_optab.
435         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
436         and umadd_widen_optab to implement multiply-add sequences.
437         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
438         (<u>maddsidi4): ...this.  Extend condition to include
439         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
440         of operand 0 to "ka" and use the three-operand form of madd<u>
441         for TARGET_DSPR2.
442         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
443         to define_expands.
444         * config/mips/constraints.md (ka): New register constraint.
445
446 2007-04-24  Jan Hubicka  <j@suse.cz>
447
448         Revert:
449
450         2007-04-23  Jan Hubicka  <jh@suse.cz>
451         * function.c (init_function_start): Don't init line number info.
452         (expand_function_end): Update.
453         (reset_block_changes, record_block_change, finalize_block_changes,
454         check_block_change, free_block_changes): Kill.
455         * function.h (reset_block_changes, record_block_change,
456         finalize_block_changes, check_block_change, free_block_changes): Remove
457         prototypes.
458         (struct function): Remove ib_boundaries_block.
459         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
460         Use curr_insn_locator to initialize locator.
461         (emit_line_note): Remove.
462         * cfgexpand.c (expand_gimple_cond_expr): Update.
463         (construct_exit_block): Likewise.
464         (tree_expand_cfg): Initialize/finalize locators.
465         * expr.c (expand_expr_real): Update.
466         * cfglayout.c (line_locators_locs, line_locators_lines,
467         file_locators_locs, file_locators_files): Remove.
468         (set_block_levels): Move to cfgexpand.c.
469         (insn_locators_initialize): Remove.
470         (pass_insn_locators_initialize): Remove.
471         (locations_locators_locs, locations_locators_vals): New static vars.
472         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
473         Likewise.
474         (insn_locators_alloc, insn_locators_finalize,
475         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
476         New functions.
477         (locator_location): New.
478         (locator_line, locator_file): Rewrite.
479         * rtl.h (emit_line_note): Kill.
480         (insn_locators_alloc, insn_locators_finalize,
481         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
482         Declare.
483         * tree-inline.c (initialize_cfun): Do not initialize
484         ib_boundaries_block.
485         * passes.c (pass_insn_locators_initialize): Remove.
486
487 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
488
489         * doc/invoke.texi: Removed leading '-' from option index entries.
490
491 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
492
493         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
494         Use phi_nodes_ptr.
495         (create_phi_node): Use set_phi_nodes.
496         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
497         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
498         (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
499         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
500         (bsi_start, bsi_last): Use bb_stmt_list.
501         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
502         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
503         Traverse the statements using tsi iterator.
504         * basic-block.h (struct basic_block_def): Fields stmt_list
505         and phi_nodes moved to ...
506         (struct tree_bb_info): ... new structure.
507         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
508         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
509         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
510         (tree_verify_flow_info): Verify that il.tree is not set for
511         entry and exit block.
512         (tree_split_block): Use set_bb_stmt_list.
513
514 2007-04-23  Mike Stump  <mrs@apple.com>
515
516         * config/i386/i386.c (ix86_tune_features
517         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
518         nocona and core2.
519
520 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
521
522         * config/i386/i386.md (prefix_extra): New attribute.
523         (length): Add prefix_extra.
524
525         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
526         (sse2_movntv2di): Likewise.
527         (sse2_cvtps2dq): Likewise.
528         (sse2_cvtpd2pi): Likewise.
529         (sse2_cvttpd2pi): Likewise.
530         (*sse2_cvtpd2ps): Likewise.
531         (*add<mode>3): Likewise.
532         (sse2_ssadd<mode>3): Likewise.
533         (sse2_usadd<mode>3): Likewise.
534         (*sub<mode>3): Likewise.
535         (sse2_sssub<mode>3): Likewise.
536         (sse2_ussub<mode>3): Likewise.
537         (*mulv8hi3): Likewise.
538         (*smulv8hi3_highpart): Likewise.
539         (*umulv8hi3_highpart): Likewise.
540         (sse2_umulv2siv2di3): Likewise.
541         (sse2_pmaddwd): Likewise.
542         (ashr<mode>3): Likewise.
543         (lshr<mode>3): Likewise.
544         (ashl<mode>3): Likewise.
545         (sse2_ashlti3): Likewise.
546         (sse2_lshrti3): Likewise.
547         (*umaxv16qi3): Likewise.
548         (*smaxv8hi3): Likewise.
549         (*uminv16qi3): Likewise.
550         (*sminv8hi3): Likewise.
551         (sse2_eq<mode>3): Likewise.
552         (sse2_gt<mode>3): Likewise.
553         (*and<mode>3): Likewise.
554         (sse2_nand<mode>3): Likewise.
555         (*ior<mode>3): Likewise.
556         (*xor<mode>3): Likewise.
557         (sse2_packsswb): Likewise.
558         (sse2_packssdw): Likewise.
559         (sse2_packuswb): Likewise.
560         (sse2_punpckhbw): Likewise.
561         (sse2_punpcklbw): Likewise.
562         (sse2_punpckhwd): Likewise.
563         (sse2_punpcklwd): Likewise.
564         (sse2_punpckhdq): Likewise.
565         (sse2_punpckldq): Likewise.
566         (sse2_punpckhqdq): Likewise.
567         (sse2_punpcklqdq): Likewise.
568         (*sse2_pinsrw): Likewise.
569         (*sse2_pextrw): Likewise.
570         (sse2_pshufd_1): Likewise.
571         (sse2_uavgv16qi3): Likewise.
572         (sse2_uavgv8hi3): Likewise.
573         (sse2_psadbw): Likewise.
574         (sse2_pmovmskb): Likewise.
575         (*sse2_maskmovdqu): Likewise.
576         (*sse2_maskmovdqu_rex64): Likewise.
577         (sse4a_extrqi): Likewise.
578         (sse4a_extrq): Likewise.
579         (sse3_lddqu): Set prefix_rep.
580         (sse3_addsubv4sf3): Likewise.
581         (sse3_haddv4sf3): Likewise.
582         (sse3_hsubv4sf3): Likewise.
583         (sse_cvtss2si): Likewise.
584         (sse_cvtss2si_2): Likewise.
585         (sse_cvtss2siq): Likewise.
586         (sse_cvtss2siq_2): Likewise.
587         (sse_cvttss2si): Likewise.
588         (sse_cvttss2siq): Likewise.
589         (sse2_cvttps2dq): Likewise.
590         (sse3_movshdup): Likewise.
591         (sse3_movsldup): Likewise.
592         (sse2_cvtsd2si): Likewise.
593         (sse2_cvtsd2si_2): Likewise.
594         (sse2_cvtsd2siq): Likewise.
595         (sse2_cvtsd2siq_2): Likewise.
596         (sse2_cvttsd2si): Likewise.
597         (sse2_cvttsd2siq): Likewise.
598         (*sse2_cvtpd2dq): Likewise.
599         (*sse2_cvttpd2dq): Likewise.
600         (sse2_pshuflw_1): Likewise.
601         (sse2_pshufhw_1): Likewise.
602         (sse4a_insertqi): Likewise.
603         (sse4a_insertq): Likewise.
604         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
605         (ssse3_phadddv4si3): Likewise.
606         (ssse3_phaddswv8hi3): Likewise.
607         (ssse3_phsubwv8hi3): Likewise.
608         (ssse3_phsubdv4si3): Likewise.
609         (ssse3_phsubswv8hi3): Likewise.
610         (ssse3_pmaddubswv8hi3): Likewise.
611         (ssse3_pmulhrswv8hi3): Likewise.
612         (ssse3_pshufbv16qi3): Likewise.
613         (ssse3_psign<mode>3): Likewise.
614         (ssse3_palignrti): Likewise.
615         (abs<mode>2): Likewise.
616         (ssse3_phaddwv4hi3): Set prefix_extra.
617         (ssse3_phadddv2si3): Likewise.
618         (ssse3_phaddswv4hi3): Likewise.
619         (ssse3_phsubwv4hi3): Likewise.
620         (ssse3_phsubdv2si3): Likewise.
621         (ssse3_phsubswv4hi3): Likewise.
622         (ssse3_pmaddubswv4hi3): Likewise.
623         (ssse3_pmulhrswv4hi3): Likewise.
624         (ssse3_pshufbv8qi3): Likewise.
625         (ssse3_psign<mode>3): Likewise.
626         (ssse3_palignrdi): Likewise.
627         (abs<mode>2): Likewise.
628         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
629         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
630         (sse2_pmovmskb): Set mode to SI instead of V2DF.
631
632 2007-04-23  Nick Clifton  <nickc@redhat.com>
633
634         * params.def: Fix formatting of emacs local variables.
635
636 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
637
638         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
639         move if inter-unit move isn't allowed.
640         Don't split moving the first element of V2DI to DI to inter-unit
641         move if inter-unit move isn't allowed.
642
643 2007-04-23  Richard Guenther  <rguenther@suse.de>
644
645         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
646         and CDI_POST_DOMINATORS separately.
647
648 2007-04-23  Nick Clifton  <nickc@redhat.com>
649
650         * c.opt (Wformat-contains-nul): Add warning attribute.
651
652 2007-04-23  Jan Hubicka  <jh@suse.cz>
653
654         * function.c (init_function_start): Don't init line number info.
655         (expand_function_end): Update.
656         (reset_block_changes, record_block_change, finalize_block_changes,
657         check_block_change, free_block_changes): Kill.
658         * function.h (reset_block_changes, record_block_change,
659         finalize_block_changes, check_block_change, free_block_changes): Remove
660         prototypes.
661         (struct function): Remove ib_boundaries_block.
662         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
663         Use curr_insn_locator to initialize locator.
664         (emit_line_note): Remove.
665         * cfgexpand.c (expand_gimple_cond_expr): Update.
666         (construct_exit_block): Likewise.
667         (tree_expand_cfg): Initialize/finalize locators.
668         * expr.c (expand_expr_real): Update.
669         * cfglayout.c (line_locators_locs, line_locators_lines,
670         file_locators_locs, file_locators_files): Remove.
671         (set_block_levels): Move to cfgexpand.c.
672         (insn_locators_initialize): Remove.
673         (pass_insn_locators_initialize): Remove.
674         (locations_locators_locs, locations_locators_vals): New static vars.
675         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
676         Likewise.
677         (insn_locators_alloc, insn_locators_finalize,
678         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
679         New functions.
680         (locator_location): New.
681         (locator_line, locator_file): Rewrite.
682         * rtl.h (emit_line_note): Kill.
683         (insn_locators_alloc, insn_locators_finalize,
684         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
685         Declare.
686         * tree-inline.c (initialize_cfun): Do not initialize
687         ib_boundaries_block.
688         * passes.c (pass_insn_locators_initialize): Remove.
689
690 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
691
692         PR middle-end/31448
693         * expr.c (reduce_to_bit_field_precision): Handle
694         CONST_INT rtx's.
695
696 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
697
698         PR tree-optimization/24659
699         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
700         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
701         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
702         * genopinit.c (optabs): Rename vec_pack_mod_optab
703         to vec_pack_trunc_optab.
704         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
705         early for scalar floating point operands for NOP_EXPR.
706         (vectorizable_type_promotion): Ditto.
707         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
708         vec_pack_trunc_optab.
709         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
710
711         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
712         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
713         Rename from VEC_PACK_MOD_EXPR.
714         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
715         * expr.c (expand_expr_real_1): Ditto.
716         * tree-inline.c (estimate_num_insns_1): Ditto.
717         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
718
719         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
720         (vec_unpacks_lo_v4sf): Ditto.
721         (vec_pack_trunc_v2df): Ditto.
722         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
723         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
724         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
725
726         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
727         vec_pack_mod_v8hi.
728         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
729
730         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
731         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
732         packing of floating point operands.
733         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
734         represent unpacking of floating point operands.
735         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
736         [vec_unpacks_hi]: Ditto.
737         [vec_unpacks_lo]: Ditto.
738
739 2007-04-22  Jan Hubicka  <jh@suse.cz>
740
741         * final.c (rest_of_handle_final): Call
742         targetm.asm_out.constructor/targetm.asm_out.destructor
743         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
744         proper priority via decl_*_priority_insert.
745         * c-common.c (c_expand_body): Likewise.
746
747 2007-04-22  Richard Guenther  <rguenther@suse.de>
748
749         PR tree-optimization/29789
750         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
751         (rewrite_reciprocal): New helper split out from
752         determine_invariantness_stmt.
753         (rewrite_bittest): Likewise.
754         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
755         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
756         is not.
757
758 2007-04-22  Revital Eres  <eres@il.ibm.com>
759
760         * loop-unroll.c (var_to_expand): New field to support also
761         insns of the form x = something + x.
762         (analyze_insn_to_expand_var): Use it.
763         (expand_var_during_unrolling): Likewise.
764
765 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
766
767         * predict.c: Include pointer-set.h.
768         (bb_predictions): New variable.
769         (tree_predicted_by_p, tree_predict_edge,
770         remove_predictions_associated_with_edge): Use bb_predictions map
771         instead of bb->predictions.
772         (clear_bb_predictions, assert_is_empty): New functions.
773         (combine_predictions_for_bb): Use bb_predictions map.  Call
774         clear_bb_predictions.
775         (tree_estimate_probability): Create and free bb_predictions map.
776         * Makefile.in (predict.o): Add pointer-set.h dependency.
777         * basic-block.h (struct basic_block_def): Remove predictions
778         field.
779         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
780
781 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
782
783         PR target/31480
784         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
785         is null.
786
787 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
788
789         * timevar.c (timevar_print): Change reference of --disable-checking to
790         --enable-checking=release.  Also warn if assert checking is disabled.
791
792 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
793
794         PR C/30265
795         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
796         decl as addressable if the compound literal was marked as
797         addressable.
798         Mark the decl as a gimple register if it is a complex or
799         vector decl and does not live in memory.
800
801 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
802
803         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
804         (GENERIC_NEXT): New function macro.
805         (PHI_CHAIN): Use phi_node's new chain variable.
806         (tree_phi_node): Change tree_common to tree_base
807         and add the chain field.
808         * tree-phinodes.c (make_phi_node): Don't set
809         TREE_TYPE on the new node.
810         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
811         instead of checking GIMPLE_TUPLE_P in chain_next.
812         * tree-vect-transform.c
813         (get_initial_def_for_induction): Look at
814         PHI_RESULT_TREE for the type of the phi node.
815         (update_vuses_to_preheader): Use PHI_CHAIN
816         instead of TREE_CHAIN on the phi node.
817         * tree-ssa-structalias.c (compute_points_to_sets):
818         Likewise.
819         (ipa_pta_execute): Likewise.
820
821 2007-04-21  Richard Guenther  <rguenther@suse.de>
822
823         PR middle-end/31136
824         * fold-const.c (fold_unary): Call fold_convert_const on the
825         original tree.
826
827 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
828
829         * gcse.c (store_killed_in_insn): Handle PARALLELs.
830         (store_killed_in_pat): New.
831
832 2007-04-20  Richard Henderson  <rth@redhat.com>
833
834         PR target/31628
835         * config/i386/i386.c (type_has_variadic_args_p): Look for any
836         TREE_LIST with a void_type_node value, not void_list_node exactly.
837
838 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
839
840         * doc/standards.texi: Re-arrange into language-specific
841         subsections. Add a C++ section, documenting which standards we
842         support.
843
844 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
845
846         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
847         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
848
849 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
850
851         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
852         ecrti.o and crtbegin.o.
853         (LIB_DEFAULT_SPEC): Include -lc.
854         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
855
856 2007-04-20  Richard Henderson  <rth@redhat.com>
857
858         PR target/28623
859         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
860         argument; update all callers.
861         (get_unaligned_offset): New.
862         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
863         get_unaligned_address, just pass on the address directly.
864         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
865         the subreg in the helper patterns.
866         (unaligned_extendqidi_le): Use get_unaligned_offset.
867         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
868         (unaligned_extendhidi_be): Likewise.
869         (unaligned_extendhidi): Tidy.
870         * config/alpha/alpha-protos.h: Update.
871
872 2007-04-20  Richard Henderson  <rth@redhat.com>
873
874         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
875         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
876         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
877         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
878         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
879         (CPP_SPEC): Don't include %(cpp_subtarget).
880         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
881         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
882         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
883
884 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
885
886         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
887         for __builtin_ia32_cmpordss.
888
889         PR tree-optimization/31632
890         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
891         and arg1 for optimizations of comparison against min/max values.
892         Fold arg0 to arg1's type for optimizations of comparison against
893         min+1 and max-1 values.
894
895 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
896
897         * reload.c (combine_reloads): When trying to use a dying register,
898         check whether it's uninitialized and don't use if so.
899
900 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
901
902         * fold-const.c: Remove prototypes for native_encode_expr and
903         native_interpret_expr.
904         (native_encode_expr): Make non-static.
905         (native_interpret_expr): Likewise.
906         * tree.h: Add prototypes for the above.
907
908 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
909
910         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
911         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
912         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
913         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
914         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
915         Add length attributes.
916
917 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
918
919         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
920         not that it is 1.
921
922         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
923         __STDC_WANT_DEC_FP__.
924
925 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
926
927         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
928         for long double compatibility.
929         * configure: Regenerate.
930
931 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
932
933         PR rtl-optimization/29841
934         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
935         trap instructions.
936         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
937         that may cause control flow transfer from being moved.
938
939 2007-04-18  Jan Hubicka  <jh@suse.cz>
940
941         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
942         types.
943
944 2007-04-18  Eric Christopher  <echristo@apple.com>
945
946         * config/rs6000/darwin.md (load_macho_picbase): Use link register
947         only. Update operands.
948         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
949         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
950         link register to pic register.
951
952 2007-04-18  Dirk Mueller  <dmueller@suse.de>
953
954         PR diagnostic/31227
955         * tree-vrp.c (search_for_addr_array): New.
956         (check_array_bounds): Suppress warning about
957         address taken of array refs if its not de-referenced.
958
959 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
960
961         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
962         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
963
964         * tree-vectorizer.h (NITERS_KNOWN_P): New.
965         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
966         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
967
968         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
969         dump print.
970         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
971         print message.
972         (vect_analyze_scalar_cycles): Fix indentation.
973         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
974         (vect_mark_relevant): Include phis in relevance analysis.
975
976         * tree-vect-transform.c (vect_transform_loop): Add an assert.
977
978 2007-04-18  Anatoly Sokolov <aesok@post.ru>
979
980         * config/avr/avr.c (ptrreg_to_str): Replace error() with
981         output_operand_lossage().
982
983 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
984
985         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
986         the unused code for reduction without adjust-in-epilog to simplify the
987         function.
988
989 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
990
991         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
992         (S390_TDC_NEGATIVE_ZERO): New constant.
993         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
994         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
995         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
996         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
997         (S390_TDC_POSITIVE_INFINITY): New constant.
998         (S390_TDC_NEGATIVE_INFINITY): New constant.
999         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
1000         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
1001         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
1002         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
1003         (S390_TDC_INFINITY): New constant.
1004         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
1005         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
1006         optimization for UNSPEC_CCZ_TO_INT.
1007         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
1008         ("*ccz_to_int"): New insn.
1009         ("isinf<mode>2"): New insn.
1010         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
1011         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
1012         (UNSPEC_CCZ_TO_INT): New constant.
1013
1014 2007-04-18  Richard Guenther  <rguenther@suse.de>
1015
1016         PR tree-optimization/19431
1017         PR tree-optimization/21463
1018         * tree-pass.h (pass_phiprop): Declare.
1019         * passes.c (init_optimization_passes): New phiprop pass.
1020         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
1021         (phivn_valid_p): New helper function.
1022         (phiprop_insert_phi): Likewise.
1023         (propagate_with_phi): Likewise.
1024         (tree_ssa_phiprop): New propagator propagating loads
1025         through phi nodes if profitable.
1026
1027 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1028
1029         * tree-vect-analyze.c (process_use): New function.
1030         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
1031         Check phis in all bbs.
1032         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
1033         assert.
1034
1035 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
1036
1037         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
1038         we use REG_EQUAL.
1039
1040 2007-04-17  Anatoly Sokolov <aesok@post.ru>
1041
1042         PR target/30483
1043         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
1044         error().
1045
1046 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
1047
1048         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
1049         on "0".
1050         (sse_vmmulv4sf3): Likewise.
1051         (sse2_vmaddv2df3): Likewise.
1052         (sse2_vmmulv2df3): Likewise.
1053
1054 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
1055
1056         PR rtl-optimization/31360
1057         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
1058         (target_reg_cost): New.
1059         (init_set_costs): Initialize target_reg_cost.  Add comments
1060         regarding the rationale of the costs.
1061         (global_cost_for_size): Renamed to...
1062         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
1063         of register pressure.
1064         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
1065         estimate_reg_pressure_cost.  Add number of ivs.
1066         (determine_set_costs): Dump target_reg_cost.
1067         * loop-invariant.c (gain_for_invariant):  Use
1068         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
1069         (best_gain_for_invariant, find_invariants_to_move): Remove
1070         n_inv_uses.
1071         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
1072         (target_reg_cost): Declare.
1073         (global_cost_for_size): Declaration removed.
1074         (estimate_reg_pressure_cost): Declare.
1075
1076 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
1077
1078         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
1079         regnos into even/odd register pairs.
1080         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
1081         TDmode similar to the other floating point modes.
1082         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
1083         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
1084         define_expand's.
1085         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
1086         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
1087         (movdd_hardfloat64): Use TARGET_MFPGPR.
1088
1089 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
1090
1091         * reload1.c (delete_output_reload): Don't count output in n_inherited.
1092
1093         Revert
1094         2005-01-05  Richard Henderson  <rth@redhat.com>
1095         PR rtl-opt/10692
1096         * reload1.c (do_input_reload): Restrict the optimization deleteing
1097         a previous output reload to RELOAD_FOR_INPUT.
1098
1099 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
1100
1101         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
1102         induc_vec_info_type.
1103         (vectorizable_induction): New function declaration.
1104         * tree-vect-transform.c (get_initial_def_for_induction): No need to
1105         check if already vectorized.  Find first place in BB where new stmts
1106         can be inserted.  Takes only one argument.
1107         (vectorizable_induction): New function.
1108         (vect_transform_stmt): Add case for induc_vec_info_type to call
1109         vectorizable_induction.
1110         (vect_transform_loop): Consider phis for vectorization.
1111         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
1112         condition.
1113         (analyze_operations): Call vectorizable_induction when analyzing phis.
1114         Fix comment.
1115         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
1116         (vect_mark_relevant): Include phis in relevance analysis.
1117         (vect_mark_stmts_to_be_vectorize): Likewise.
1118         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
1119
1120 2007-04-16  Lawrence Crowl  <crowl@google.com>
1121
1122         * doc/invoke.texi (Debugging Options): Add documentation for the
1123         -femit-struct-debug options -femit-struct-debug-baseonly,
1124         -femit-struct-debug-reduced, and
1125         -femit-struct-debug-detailed[=...].
1126
1127         * c-opts.c (c_common_handle_option): Add
1128         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
1129         and OPT_femit_struct_debug_detailed_.
1130         * c.opt: Add specifications for
1131         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
1132         and -femit-struct-debug-detailed[=...].
1133         * opts.c (set_struct_debug_option): Parse the
1134         -femit-struct-debug-... options.
1135         * opts.c (matches_main_base, main_input_basename,
1136         main_input_baselength, base_of_path, matches_main_base): Add
1137         variables and functions to compare header base name to compilation
1138         unit base name.
1139         * opts.c (should_emit_struct_debug): Add to determine to emit a
1140         structure based on the option.
1141         (dump_struct_debug) Also disabled function to debug this
1142         function.
1143         * opts.c (handle_options): Save the base name of the
1144         compilation unit.
1145
1146         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
1147         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
1148         This hook indicates if a type is generic.  Set it by default
1149         to "never generic".
1150         * langhooks.h (struct lang_hooks_for_types): Add a new hook
1151         to determine if a struct type is generic or not.
1152         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
1153         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
1154         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
1155         with live C++ hook.
1156
1157         * flags.h (enum debug_info_usage): Add an enumeration to describe
1158         a program's use of a structure type.
1159         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
1160         to indicate the program's usage of the type.  Filter structs based
1161         on the -femit-struct-debug-... specification.
1162         (gen_type_die): Split into two routines, gen_type_die and
1163         gen_type_die_with_usage.  gen_type_die is now a wrapper
1164         that assumes direct usage.
1165         (gen_type_die_with_usage): Replace calls to gen_type_die
1166         with gen_type_die_with_usage adding the program usage of
1167         the referenced type.
1168         (dwarf2out_imported_module_or_decl): Suppress struct debug
1169         information using should_emit_struct_debug when appropriate.
1170
1171 2007-04-16  Ian Lance Taylor  <iant@google.com>
1172
1173         PR tree-optimization/31522
1174         * tree-vrp.c (vr_phi_edge_counts): New static variable.
1175         (vrp_initialize): Allocate vr_phi_edge_counts.
1176         (vrp_visit_phi_node): Don't push to infinity if we saw a new
1177         executable edge.  Drop test for all constants.
1178         (vrp_finalize): Free vrp_phi_edge_counts.
1179
1180         * doc/cpp.texi (Common Predefined Macros): Clarify description of
1181         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
1182
1183         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
1184         predecessors at head rather than tail.
1185
1186 2007-04-16  Matthias Klose  <doko@debian.org>
1187
1188         * config/alpha/linux.h (CPP_SPEC): Define.
1189         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
1190
1191 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
1192
1193         * function.h: Remove sequence_stack extern declaration.
1194
1195 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1196
1197         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
1198         TARGET_FIDOA.
1199         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
1200         defined.
1201
1202 2007-04-16  Anatoly Sokolov <aesok@post.ru>
1203
1204         * config/avr/avr.c (avr_arch_types): Rearranging  array.
1205         (enum avr_arch): Add.
1206         (avr_mcu_types): Use avr_arch enumeration constants instead of
1207         numbers.
1208         * config/avr/avr.h (LINK_SPEC): Simplify.
1209
1210 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1211
1212         * config/m68k/m68k.c (m68k_libcall_value,
1213         m68k_function_value): Use macros for register names more.
1214
1215         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
1216         instead.
1217         (M68K_REGNAME): Use A6_REG.
1218         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
1219
1220 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1221
1222         PR middle-end/28071
1223         * sched-int.h (struct deps): Split field 'pending_lists_length' into
1224         'pending_read_list_length' and 'pending_write_list_length'.  Update
1225         comment.
1226         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
1227         to handle two length counters instead of one.  Update all uses.
1228         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
1229         two length counters instead of one.
1230         * sched-rgn.c (propagate_deps): Update to handle two length counters
1231         instead of one.
1232
1233 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
1234
1235         PR target/31582
1236         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
1237         copy of source, pass it to ix86_expand_vector_set and return
1238         it as target.
1239
1240 2007-04-16  David Ung  <davidu@mips.com>
1241             Joseph Myers  <joseph@codesourcery.com>
1242
1243         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
1244         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
1245         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
1246         Add 74K processor information.
1247         * config/mips/mips.md: Include 74k.md.
1248         (cpu): Add 74kc,74kf,74kx.
1249         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
1250         * config/mips/74k.md: New.
1251         * doc/invoke.texi (MIPS Options): Document 74K support.
1252
1253 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
1254
1255         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
1256         vectorizable_* functions.
1257         * tree-vect-transform.c (vectorizable_call): Add check for
1258         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
1259         (vectorizable_store): likewise.
1260         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
1261         Add comments.
1262         (vectorizable_operation, vectorizable_type_demotion): Likewise.
1263         (vectorizable_type_promotion, vectorizable_load): Likewise.
1264         (vectorizable_live_operation, vectorizable_condition): Likewise.
1265         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
1266         STMT_VINFO_LIVE_P.
1267         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
1268
1269 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1270
1271         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
1272         register numbers more.
1273         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
1274         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
1275         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
1276         FUNCTION_VALUE_REGNO_P): Likewise.
1277         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
1278         STATIC_CHAIN_REGNUM): Likewise.
1279         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
1280         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
1281         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
1282         * config/m68k/m68k.md (FP_REG): New.
1283
1284 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1285
1286         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
1287         alignment on fido.
1288
1289 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1290
1291         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
1292         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
1293         comment typos.
1294
1295 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1296
1297         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
1298         cold loops.
1299
1300 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1301
1302         PR c/31520
1303         * c-decl.c (finish_decl): Grab the type of the decl after the call
1304         to store_init_value.
1305
1306 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
1307
1308         * common.opt (fforward-propagate): Fix "Optimization" annotation.
1309
1310 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
1311
1312         PR c++/25874
1313         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
1314         post dominators and cleanup cfg before returning.
1315
1316 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
1317
1318         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
1319         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
1320
1321 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
1322
1323         * config.gcc: Recognize fido.
1324         * config/m68k/m68k-devices.def (fidoa): New.
1325         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
1326         __mfido__.
1327         (FL_FIDOA, TARGET_FIDOA): New.
1328         * config/m68k/m68k.opt (mfidoa): New.
1329
1330 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1331
1332         PR middle-end/31322
1333         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
1334         when a personality function is used.
1335
1336 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
1337
1338         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
1339
1340 2007-04-13  Mike Stump  <mrs@apple.com>
1341
1342         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
1343         we can...
1344         * config/darwin.opt (fapple-kext): Make C++ only.
1345         * config/darwin.c (darwin_override_options): Remove code to ensure
1346         -fapple-kext is given for C++ only.
1347
1348 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
1349
1350         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
1351         * config/mips/mips.c (override_options): Call
1352         SUBTARGET_OVERRIDE_OPTIONS, if defined.
1353
1354 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1355
1356         * config/i386/i386.opt (msvr3-shlib): Removed.
1357
1358         * doc/invoke.texi: Remove -msvr3-shlib.
1359
1360 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1361
1362         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
1363         with "popcnt" instruction.
1364
1365 2007-04-13  Richard Guenther  <rguenther@suse.de>
1366
1367         PR tree-optimization/21258
1368         * tree-vrp.c (compare_case_labels): New helper.
1369         (find_switch_asserts): New function.
1370         (find_assert_locations): Call it for SWITCH_EXPRs.
1371
1372 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
1373
1374         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
1375         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
1376         check is now implied in X87_FLOAT_MODE_P.
1377         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1378         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1379         (fix_trunc<mode>_i386_fisttp): Ditto.
1380         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1381         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1382         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1383         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1384         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1385         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1386         (unnamed_splitters): Ditto.
1387         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
1388         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
1389         FIRST_SSE_REG for local functions when SSE math is enabled or
1390         for functions with sseregparm attribute.
1391         (standard_80387_constant_p): Return -1 if mode is not
1392         X87_FLOAT_MODE_P.
1393         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
1394         (ix86_expand_compare): Ditto.
1395         (ix86_expand_carry_flag_compare): Ditto.
1396         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
1397         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
1398         DECIMAL_FLOAT_MODE_P.
1399         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
1400         of SCALAR_FLOAT_MODE_P.
1401         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
1402         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
1403         checks before FLOAT_MODE_P.
1404         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
1405         before FLOAT_MODE_P.
1406         [DIV]: Ditto.
1407         [NEG]: Ditto.
1408         [ABS]: Ditto.
1409         [SQRT]: Ditto.
1410         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
1411
1412 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
1413             Charles Wilson  <libtool@cwilson.fastmail.fm>
1414
1415         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
1416         (libgcc.mvars): Don't depend on them.
1417         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
1418         * exec-tool.in: New.
1419
1420 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
1421
1422         * doc/invoke.text (--help): Document --help=common.
1423
1424 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
1425
1426         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
1427
1428 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1429
1430         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
1431         * genemit.c (main): Emit #include "integrate.h".
1432         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
1433         (LOADGP_RTP): New mips_loadgp_style.
1434         * config/mips/mips.h: Include config/vxworks-dummy.h.
1435         (TARGET_RTP_PIC): New macro.
1436         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
1437         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
1438         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
1439         for TARGET_RTP_PIC.
1440         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
1441         -mvxworks-pic when using -mrtp and a PIC option.
1442         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
1443         for RTP PIC.
1444         (mips_symbolic_constant_p, mips_symbolic_address_p)
1445         (mips_symbol_insns): Handle SYMBOL_HALF.
1446         (override_options): Warn about -G and -mrtp being used together.
1447         Initialize mips_lo_relocs[SYMBOL_HALF].
1448         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
1449         (mips_emit_loadgp): Handle LOADGP_RTP.
1450         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
1451         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
1452         (tablejump): Handle function-relative case table entries if
1453         TARGET_RTP_PIC.
1454         * config/mips/predicates.md (symbol_ref_operand): New predicate.
1455
1456 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1457
1458         * config/mips/mips.md (load_call<mode>): Allow any general register.
1459         destination.
1460         (sibcall_value_internal, sibcall_value_multiple_internal)
1461         (call_value_internal, call_value_split, call_value_multiple_internal)
1462         (call_value_multiple_split): Remove constraints from operand 0.
1463
1464 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1465
1466         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
1467         rather than loadgp_noshared.
1468         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
1469         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
1470         gen_loadgp.
1471         * config/mips/mips.md (loadgp): Rename to...
1472         (loadgp_newabi): ...this.
1473         (loadgp_noshared): Rename to...
1474         (loadgp_absolute): ...this.
1475
1476 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1477
1478         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
1479         false for locally-binding symbols.
1480         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
1481
1482 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1483
1484         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
1485         (SYMBOL_GOT_PAGE_OFST): ...this.
1486         (SYMBOL_GOT_GLOBAL): Rename to...
1487         (SYMBOL_GOT_DISP): ...this.
1488         (SYMBOL_GOTOFF_GLOBAL): Rename to...
1489         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
1490         * config/mips/mips.c (mips_global_symbol_p): New function.
1491         (mips_symbol_binds_local_p): Likewise.
1492         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
1493         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
1494         and mips_symbol_binds_local_p.
1495         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
1496         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
1497         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
1498         SYMBOL_GOTOFF_DISP.
1499         (mips_ok_for_lazy_binding_p): New function.
1500         (mips_load_call_address, mips_expand_call): Use it.
1501         (mips_dangerous_for_la25_p): Likewise.
1502         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
1503         (*got_disp<mode>): Use got_disp_operand instead of
1504         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
1505         SYMBOL_GOTOFF_GLOBAL.
1506         (*got_page<mode>): Use got_page_ofst_operand instead of
1507         local_got_operand.
1508         * config/mips/predicates.md (const_call_insn_operand): Use
1509         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
1510         (global_got_operand): Rename to...
1511         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
1512         SYMBOL_GOT_GLOBAL.
1513         (local_got_operand): Rename to...
1514         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
1515         of SYMBOL_GOT_LOCAL.
1516
1517 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1518
1519         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
1520         TARGET_CALL_CLOBBERED_GP.
1521         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1522         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
1523         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
1524         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
1525         of TARGET_ABICALLS && !TARGET_NEWABI.
1526         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1527         * config/mips/mips.c (mips_load_call_address): Check
1528         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
1529         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1530         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
1531         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
1532         TARGET_ABICALLS && TARGET_NEWABI.
1533         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
1534         TARGET_ABICALLS.
1535         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
1536         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
1537         TARGET_ABICALLS && TARGET_NEWABI.
1538         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
1539         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
1540         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
1541         whether indirect calls must use $25.
1542         (mips_extra_live_on_entry): Check TARGET_GOT instead of
1543         TARGET_ABICALLS.
1544         * config/mips/mips.md (jal_macro): Check flag_pic and
1545         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
1546         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
1547         instead of TARGET_ABICALLS.
1548         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
1549         TARGET_ABICALLS && TARGET_OLDABI.
1550         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1551         (sibcall): In the comment above the define_insn, mention
1552         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
1553         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
1554         instead of TARGET_ABICALLS.
1555
1556 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1557
1558         * doc/md.texi (Blackfin family constraints): Document PA and PB.
1559         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
1560         (MACFLAGS_MATCH_P): New macro.
1561         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
1562         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
1563         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
1564         the other MACFLAG constants.
1565         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
1566         (flag_machi): Tighten constraints.  Renumber some of the operands.
1567         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
1568         output template.
1569         (flag_machi_parts_acconly): New pattern.
1570         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
1571         used.
1572         (flag_macinit1hi): Tighten constraints.
1573         (flag_mul_macv2hi_parts_acconly): New pattern.
1574
1575         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
1576         Use a more efficient implementation.
1577         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
1578         inline sequences when not optimizing for size.
1579
1580         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
1581         movhi_high2low): Delete, merge functionality into...
1582         (packv2hi): ... this pattern.
1583
1584         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
1585         * config/bfin/bfin.opt (msim): New option.
1586         (mcpu=): New option.
1587         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
1588         (bfin_cpu_t): Typedef of enum bfin_cpu.
1589         (bfin_cpu_type): New declaration.
1590         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
1591         -msim and -mcpu= options.
1592         (LIB_SPEC): Likewise.
1593         * config/bfin/bfin.c (bfin_cpu_type): Define.
1594         (bfin_handle_option): Handle -mcpu= option.
1595         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
1596         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
1597         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
1598
1599 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1600
1601         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
1602         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
1603         (powerpc-wrs-vxworksae): Use ${tm_file}.
1604         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
1605         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
1606         * config/i386/vx-common.h: New file.
1607
1608 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1609
1610         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
1611         of crt0.o%s.
1612
1613 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1614
1615         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
1616         ldxtr.
1617
1618 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
1619
1620         PR c++/31078
1621         PR c++/31103
1622         * c-common.c (c_build_qualified_type): Set canonical type
1623         appropriately.
1624
1625 2007-04-12  Richard Guenther  <rguenther@suse.de>
1626
1627         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
1628         lower bound and element size if lower bound is not zero
1629         or either of the ARRAY_REF operands is set.
1630
1631 2007-04-12  Richard Guenther  <rguenther@suse.de>
1632
1633         PR tree-optimization/24689
1634         PR tree-optimization/31307
1635         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
1636         indices by value.
1637         * gimplify.c (canonicalize_addr_expr): To be consistent with
1638         gimplify_compound_lval only set operands two and three of
1639         ARRAY_REFs if they are not gimple_min_invariant.  This makes
1640         it never at this place.
1641         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
1642
1643 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1644
1645         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
1646         null before emitting a .nsubspa directive.
1647
1648 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
1649
1650         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
1651         need_to_partition_p if there are no memory statements in the
1652         function.
1653
1654 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1655
1656         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
1657         (gcd_of_steps_may_divide_p): New function.
1658         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
1659
1660 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1661
1662         * reload.c (find_reloads_toplev, find_reloads_address,
1663         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
1664         not a pointer equality test, to decide if we need to call
1665         push_reg_equiv_alt_mem.
1666
1667 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
1668
1669         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
1670         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
1671         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
1672
1673 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1674
1675         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
1676         vector to be positive.
1677
1678 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
1679
1680         PR 30735
1681         PR 31090
1682         * doc/invoke.texi: Document --params max-aliased-vops and
1683         avg-aliased-vops.
1684         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
1685         debug_memory_partitions): Move to tree-flow.h
1686         * params.h (AVG_ALIASED_VOPS): Define.
1687         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
1688         users.
1689         (mp_info_t): Likewise.
1690         (get_mem_sym_stats_for): New.
1691         (set_memory_partition): Move from tree-flow-inline.h.
1692         (mark_non_addressable): Only clear the set of symbols for the
1693         partition if it exists.
1694         (dump_memory_partitions): Move from tree-ssa-operands.c
1695         (debug_memory_partitions): Likewise.
1696         (need_to_partition_p): New.
1697         (dump_mem_ref_stats): New.
1698         (debug_mem_ref_stats): New.
1699         (dump_mem_sym_stats): New.
1700         (debug_mem_sym_stats): New.
1701         (update_mem_sym_stats_from_stmt): New.
1702         (compare_mp_info_entries): New.
1703         (mp_info_cmp): Call it.
1704         (sort_mp_info): Change argument to a list of mem_sym_stats_t
1705         objects.
1706         (get_mpt_for): Move from tree-ssa-operands.c.
1707         (find_partition_for): New.
1708         (create_partition_for): Remove.
1709         (estimate_vop_reduction): New.
1710         (update_reference_counts): New.
1711         (build_mp_info): New.
1712         (compute_memory_partitions): Refactor.
1713         Document new heuristic.
1714         Call build_mp_info, update_reference_counts,
1715         find_partition_for and estimate_vop_reduction.
1716         (compute_may_aliases): Populate virtual operands before
1717         calling debugging dumps.
1718         (delete_mem_sym_stats): New.
1719         (delete_mem_ref_stats): New.
1720         (init_mem_ref_stats): New.
1721         (init_alias_info): Call it.
1722         (maybe_create_global_var): Remove alias_info argument.
1723         Get number of call sites and number of pure/const call sites
1724         from gimple_mem_ref_stats().
1725         (dump_alias_info): Call dump_memory_partitions first.
1726         (dump_points_to_info_for): Show how many times a pointer has
1727         been dereferenced.
1728         * opts.c (decode_options): For -O2 set --param
1729         max-aliased-vops to 500.
1730         For -O3 set --param max-aliased-vops to 1000 and --param
1731         avg-aliased-vops to 3.
1732         * fortran/options.c (gfc_init_options): Remove assignment to
1733         MAX_ALIASED_VOPS.
1734         * tree-flow-inline.h (gimple_mem_ref_stats): New.
1735         * tree-dfa.c (dump_variable): Dump memory reference
1736         statistics.
1737         Dump NO_ALIAS* settings.
1738         (referenced_var_lookup): Tidy.
1739         (mem_sym_stats): New.
1740         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
1741         and ORIG are different SSA names for a memory partition.
1742         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
1743         * tree-flow.h (struct mem_sym_stats_d): Define.
1744         (mem_sym_stats_t): Define.
1745         (struct mem_ref_stats_d): Define.
1746         (struct gimple_df): Add field mem_ref_stats.
1747         (enum noalias_state): Define.
1748         (struct var_ann_d): Add bitfield noalias_state.
1749         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
1750         debug_mem_ref_stats, debug_memory_partitions,
1751         debug_mem_sym_stats): Declare.
1752         * tree-ssa-structalias.c (update_alias_info): Update call
1753         sites, pure/const call sites and asm sites in structure
1754         returned by gimple_mem_ref_stats.
1755         Remove local variable IS_POTENTIAL_DEREF.
1756         Increase NUM_DEREFS if the memory expression is a potential
1757         dereference.
1758         Call update_mem_sym_stats_from_stmt.
1759         If the memory references memory, call
1760         update_mem_sym_stats_from_stmt for all the direct memory
1761         symbol references found.
1762         (intra_create_variable_infos): Set noalias_state field for
1763         pointer arguments according to the value of
1764         flag_argument_noalias.
1765         * tree-ssa-structalias.h (struct alias_info): Remove fields
1766         num_calls_found and num_pure_const_calls_found.
1767         (update_mem_sym_stats_from_stmt): Declare.
1768         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
1769         Set default value to 100.
1770         (PARAM_AVG_ALIASED_VOPS): Define.
1771
1772 2007-04-11  Richard Guenther  <rguenther@suse.de>
1773
1774         PR middle-end/31530
1775         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
1776         a * -b + c as c - a * b if we honor sign dependent rounding.
1777
1778 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1779
1780         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
1781         bfin_expand_strmov.
1782         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
1783         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
1784         variables.
1785         (initialize_trampoline): Don't use old-style function definition.
1786         (bfin_secondary_reload): Mark IN_P argument as unused.
1787
1788 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
1789
1790         PR tree-optimization/31343
1791         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
1792         (build_polynomial_chrec): Return a scalar when the evolution is zero.
1793         * testsuite/gcc.dg/vect/pr31343.c: New.
1794
1795 2007-04-10  Eric Christopher  <echristo@apple.com>
1796
1797         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
1798         * config/i386/i386.md (*cmpfp0): Use.
1799         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1800         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1801         (fix_trunc<mode>_i386_fisttp): Ditto.
1802         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1803         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1804         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1805         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1806         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1807         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1808         (unnamed_splitters): Ditto.
1809         * config/i386/i386.c (output_fix_trunc): Assert that
1810         we're not being passed a TFmode operand.
1811
1812 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
1813
1814         PR tree-optimization/31526
1815         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
1816         n_basic_blocks to find newly added blocks.
1817
1818 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
1819
1820         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
1821         alternative.
1822         (fix_trunc<mode>si_sse): Ditto.
1823         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
1824         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
1825         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
1826         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
1827         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
1828         expander using SSEMODEF mode macro.
1829         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
1830         expander using SSEMODEF mode macro.
1831         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
1832         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
1833         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
1834         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
1835         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
1836         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
1837         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
1838         Macroize insn using X87MODEF mode macro.
1839
1840 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
1841
1842         * config/i386/sse.md (sse2_pinsrw): Removed.
1843         (sse2_pextrw): Renamed to ...
1844         (*sse2_pextrw): This.
1845
1846 2007-04-09  Jan Hubicka  <jh@suse.cz>
1847
1848         PR target/27869
1849         * config/i386/sse.md
1850         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
1851         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
1852         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
1853         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
1854
1855 2007-04-09  Jan Hubicka  <jh@suse.cz>
1856
1857         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
1858         multiple fields of union.
1859
1860 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
1861
1862         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
1863         (create_preheaders): Check that loops are available.
1864         (fix_loop_structure): Clean up, improve comments.
1865         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
1866         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
1867         state flags.
1868         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
1869         * predict.c (tree_estimate_probability): Do not call
1870         calculate_dominance_info.  Call create_preheaders.
1871         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
1872         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
1873         flags.
1874         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
1875         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
1876         * tree-cfg.c (tree_split_edge): Make an assert more precise.
1877         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
1878         arguments.
1879
1880 2007-04-08  Jan Hubicka  <jh@suse.cz>
1881
1882         * tree.h (maybe_fold_offset_to_component_ref): Declare.
1883         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
1884         * fold-const.c (fold_unary): Use it.
1885
1886 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1887
1888         * varasm.c (assemble_variable): Remove call to
1889         lang_hooks.decls.prepare_assemble_variable.
1890         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
1891         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
1892         * langhooks.h (lang_hooks_for_decls): Remove
1893         prepare_assemble_variable.
1894
1895 2007-04-08  Mike Stump  <mrs@apple.com>
1896
1897         * config/i386/i386.c: Use inc/dec on Core2.
1898
1899 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
1900
1901         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
1902         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
1903         lhd_tree_inlining_end_inlining): Remove.
1904         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
1905         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
1906         end_inlining hooks.
1907         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
1908         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
1909         lhd_tree_inlining_end_inlining): Remove prototypes.
1910         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
1911         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
1912         LANG_HOOKS_TREE_INLINING_START_INLINING,
1913         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
1914
1915         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
1916         not set it.
1917
1918 2007-04-08  Anatoly Sokolov <aesok@post.ru>
1919
1920         PR target/29932
1921         * config/avr/predicates.md (io_address_operand): Delete predicate.
1922         (low_io_address_operand): Don't use 'mode' argument.
1923         (higth_io_address_operand): Rename ...
1924         (high_io_address_operand): ... to this. Don't use 'mode' argument.
1925         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
1926         for above change.
1927
1928 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
1929
1930         Revert change removing staticp.
1931
1932 2007-04-07  Anatoly Sokolov <aesok@post.ru>
1933
1934         PR target/30289
1935         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
1936         earlyclobber.
1937
1938 2007-04-07  Bruce Korb  <bkorb@gnu.org>
1939
1940         * c.opt: Add -Wformat-contains-nul.
1941         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
1942           -Wformat setting.
1943         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
1944         the NUL byte warning.
1945
1946 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
1947
1948         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
1949
1950 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
1951
1952         * tree.c (staticp): No longer use staticp langhook.
1953         * langhooks.c (lhd_staticp): Removed.
1954         * langhooks.h (struct lang_hooks): Remove staticp.
1955         * c-common.c (c_staticp): Remove.
1956         * c-common.h (c_staticp): Ditto.
1957         * langhooks-defs.h (lhd_staticp): Ditto.
1958         (LHD_HOOKS_STATICP): Ditto
1959         * tree.h (gcc_assert_lowered): New macro.
1960
1961 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
1962
1963         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
1964         argument "reliable".
1965         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
1966         Add argument "reliable".  Propagate it through calls.
1967         (infer_loop_bounds_from_undefined):  Derive number of iterations
1968         estimates from references in blocks that do not dominate loop latch.
1969         (gcov_type_to_double_int): New function.
1970         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
1971         and expected_loop_iterations_unbounded.
1972         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
1973         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
1974         * tree-data-ref.c (estimated_loop_iterations): Export.
1975         (get_references_in_stmt): Fix -- do not return addresses of local
1976         objects.
1977         * cfgloop.h (expected_loop_iterations_unbounded,
1978         estimated_loop_iterations): Declare.
1979
1980 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
1981
1982         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
1983
1984 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
1985
1986         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
1987         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
1988         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
1989         Use output_387_reg_move().
1990         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
1991         expander using X87MODEF12 mode macro.
1992         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
1993         choosing register preferences.  Use output_387_reg_move().
1994         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
1995         instead of "x".  Use output_387_reg_move().
1996         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
1997         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
1998         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
1999         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
2000         Use output_387_reg_move().
2001         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
2002         mode macro.
2003         (*truncxf?f_i387 splitter): Ditto.
2004
2005 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2006
2007         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
2008         LANG_HOOKS_SAFE_FROM_P.
2009         * expr.c (safe_from_p): Remove langhook call.
2010         * langhooks.h (lang_hooks): Remove safe_from_p.
2011         (lhd_safe_from_p): Remove prototype.
2012         * langhooks.c (lhd_safe_from_p): Remove.
2013
2014 2007-04-06  Jan Hubicka  <jh@suse.cz>
2015
2016         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
2017         functions.
2018
2019 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2020
2021         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
2022         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
2023         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
2024         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
2025         alternative.
2026         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
2027         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
2028
2029 2007-04-05  Richard Henderson  <rth@redhat.com>
2030
2031         * config/alpha/alpha.c (print_operand) [+]: Remove.
2032         (alpha_end_function): Print nop if call at end of function.
2033         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
2034         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
2035         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
2036         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
2037         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
2038         the call pattern. Update peepholes to match.
2039
2040 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
2041
2042         * doc/extend.texi (Other Builtins): Add decimal float variants
2043         of signbit.
2044         * builtins.def: Ditto.
2045         * builtins.c (expand_builtin): Ditto.
2046
2047 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
2048             H.J. Lu  <hongjiu.lu@intel.com>
2049
2050         PR target/31478
2051         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
2052         of V8HImode when calling ix86_binary_operator_ok.
2053         (sse2_pmaddwd): Call ix86_binary_operator_ok.
2054         (sdot_prodv8hi): Operands 1 and 2 must be register.
2055
2056 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2057
2058         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
2059         initialize align to silence bogus warning.
2060
2061 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2062
2063         PR middle-end/22156
2064         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
2065         all_no_warning.
2066         (struct sra_walk_fns): Remove use_all parameter from use.
2067         (sra_hash_tree): Handle BIT_FIELD_REFs.
2068         (sra_elt_hash): Don't hash bitfld blocks.
2069         (sra_elt_eq): Skip them in parent compares as well.  Handle
2070         BIT_FIELD_REFs.
2071         (sra_walk_expr): Don't maintain or pass down use_all_p.
2072         (scan_use): Remove use_all parameter.
2073         (scalarize_use): Likewise.  Re-expand assignment to
2074         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
2075         output, and re-scalarize after output.  Don't mark anything
2076         for no warning.
2077         (scalarize_ldst): Adjust.
2078         (scalarize_walk_gimple_modify_statement): Likewise.
2079         (build_element_name_1): Handle BIT_FIELD_REFs.
2080         (instantiate_element): Don't warn for any element whose parent
2081         is used as a whole.
2082         (instantiate_missing_elements_1): Return the sra_elt.
2083         (canon_type_for_field): New.
2084         (try_instantiate_multiple_fields): New.
2085         (instantiate_missing_elemnts): Use them.
2086         (mark_no_warning): Removed.
2087         (generate_one_element_ref): Handle BIT_FIELD_REFs.
2088         (REPLDUP, sra_build_elt_assignment): New.
2089         (generate_copy_inout): Use them.
2090         (generate_element_copy): Likewise.  Handle bitfld differences.
2091         (generate_element_zero): Don't recurse for blocks.  Use
2092         sra_build_elt_assignment.
2093         (generate_one_element_int): Take elt instead of var.  Use
2094         sra_build_elt_assignment.
2095         (generate_element_init_1): Adjust.
2096         (scalarize_use, scalarize_copy): Use REPLDUP.
2097         (scalarize_ldst): Move assert before dereference.
2098         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
2099
2100 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2101
2102         * regmove.c: Fix unused variable warnings due to previous commit.
2103
2104 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2105
2106         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
2107         (regmove_bb_head): Remove.
2108         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
2109         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
2110         problems with fixup_match_1.
2111         Don't initialize/free regmove_bb_head.
2112
2113         (reg_is_remote_constant_p): If an insn is in the same basic block
2114         but not before INSN, consider it remote, too.
2115
2116 2007-04-05  Anatoly Sokolov <aesok@post.ru>
2117
2118         PR target/25448
2119         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
2120         DECL_ASSEMBLER_NAME, not the DECL_NAME.
2121
2122 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
2123
2124         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
2125         (CONDITIONAL_REGISTER_USAGE): Likewise.
2126
2127 2007-04-04  Richard Henderson  <rth@redhat.com>
2128
2129         * config/alpha/lib1funcs.asm: Remove unused file.
2130
2131 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2132
2133         PR other/31356
2134         * opts.c (print_specific_help): Fix --help=<language>
2135         header line.
2136         (common_handle_option): Support --help=common.
2137
2138 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2139
2140         PR other/31353
2141         * gcc.c (main): Do not run the linker if
2142         print_subprocess_help indicates that it shouldn't be
2143         run.
2144
2145 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2146
2147         PR doc/31355
2148         * doc/invoke.texi (--help=): Document <languages> value, fix
2149         formatting in tables of values.
2150
2151 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
2152
2153         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
2154         dllimport attribute of virtual methods.
2155
2156 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
2157
2158         * config/score/crti.asm: Change _bss_start to __bss_start.
2159         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
2160         (OUTGOING_REG_PARM_STACK_SPACE) update.
2161         * config/score/score.opt: add options to make backend support
2162         score5, score5u, score7 and score7d.
2163         * config/score/score.md: Likewise.
2164         * config/score/misc.md: Likewise.
2165         * config/score/mac.md: Likewise.
2166         * doc/invoke.texi: Likewise.
2167         * doc/md.texi: update constraints define.
2168
2169 2007-04-03  Richard Henderson  <rth@redhat.com>
2170
2171         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
2172         an appropriate type, use the mode instead.
2173
2174 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
2175
2176         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
2177         Set the default --with-arch setting to mips2.
2178         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
2179         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
2180         (MULTILIB_OSDIRNAMES): Delete.
2181         (MULTILIB_DIRNAMES): Define.
2182         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
2183         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
2184         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
2185         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
2186         VXWORKS_OS_CPP_BUILTINS.
2187         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
2188         (MIPS_DEBUGGING_INFO): Undefine.
2189         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
2190
2191 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
2192
2193         PR middle-end/30704
2194         * fold-const.c (native_encode_real): Encode real.c provided longs
2195         as a series of 32-bit native integers.
2196         (native_interpret_real): Interpret buffer as a series of 32-bit
2197         native integers.
2198
2199 2007-04-03  Richard Guenther  <rguenther@suse.de>
2200
2201         * genpreds.c (write_insn_constraint_len): Write function
2202         optimized for CONSTRAINT_LEN implementation.
2203         (write_tm_preds_h): Output insn_constraint_len inline and
2204         use it for CONSTRAINT_LEN.
2205         (write_insn_preds_c): Don't output insn_constraint_len.
2206         * doc/md.texi (define_register_constraint): Document multi-letter
2207         constraints shall have the same length if they start with the same
2208         letter.
2209
2210 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2211
2212         PR target/31175
2213         * config/i386/i386.md (isinf<mode>2): Expand only when
2214         TARGET_C99_FUNCTIONS is set.
2215
2216 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2217
2218         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
2219         (x86_64-*-linux*): Ditto.
2220         * config/i386/i386.opt (mpc): New option.
2221         * config/i386/i386.c (overrride_options): Handle
2222         ix87_precision_string.
2223         * config/i386/crtprec.c: New file.
2224         * config/i386/t-crtpc: Ditto.
2225         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
2226         and -mpc80 options.
2227         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
2228         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2229         crtprec32.o, crtprec64.o and crtprec80.o.
2230
2231         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
2232         and -mpc80 options.
2233         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
2234
2235 2007-04-02  Eric Christopher  <echristo@apple.com>
2236
2237         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
2238         limitations on darwin.
2239
2240 2007-04-02  Anatoly Sokolov <aesok@post.ru>
2241
2242         PR target/31137
2243         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
2244
2245 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2246
2247         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
2248
2249 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2250
2251         * libgcc2.h (exception_descriptor): Don't forward-declare.
2252         (__get_eh_table_language, __get_eh_table_version): Delete
2253         prototypes of long-dead functions.
2254
2255 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
2256
2257         * ebitmap.h: New file
2258         * ebitmap.c: New file
2259         * Makefile.in (ebitmap.o): New target.
2260
2261 2007-04-01  Jan Hubicka  <jh@suse.cz>
2262
2263         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
2264         before very first instruction.
2265
2266 2007-04-01  Jan Hubicka  <jh@suse.cz>
2267
2268         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
2269         waring on 64bit hosts.
2270         * bitmap.h: Fix typo in bitmap_head_def.
2271
2272 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2273
2274         PR rtl-optimization/31391
2275         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
2276         into a DELETED_LABEL note, and the label is in an empty basic
2277         block, update BB_END as well as BB_HEAD.
2278
2279 2007-04-01  Richard Henderson  <rth@redhat.com>
2280
2281         PR tree-optimization/31169
2282         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
2283         to varying if the range is outside [0,  prec-1].
2284
2285 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
2286
2287         PR target/31388
2288         * config/mips/mips.md (load_const_gp): New insn.
2289         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
2290         the MIPS16 GP pseudo register if no_new_pseudos.
2291         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
2292
2293 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2294
2295         PR target/31364
2296         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
2297         secureplt.
2298         (call_value): Likewise.
2299
2300 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
2301             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2302
2303         PR 14737
2304         * doc/invoke.texi: (optimization options): Reword description
2305         of -ffast-math. Document its primary purpose.
2306
2307 2007-03-31  Richard Guenther  <rguenther@suse.de>
2308
2309         * omp-low.c (splay-tree.h): Include.
2310         (lookup_decl): Replace splay-tree usage by pointer-map.
2311         (maybe_lookup_decl): Likewise.
2312         (new_omp_context): Likewise.
2313         (delete_omp_context): Likewise.
2314         * gimplify.c (splay-tree.h): Include.
2315         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
2316         pointer-map.
2317         (remap_ssa_name): Likewise.
2318         (remap_decl): Likewise.
2319         (remap_type_1): Likewise.
2320         (remap_type): Likewise.
2321         (copy_body_r): Likewise.
2322         (expand_call_inline): Likewise.
2323         (clone_body): Likewise.
2324         (copy_tree_r): Likewise.
2325         (remap_save_expr): Likewise.
2326         (unsave_r): Likewise.
2327         (unsave_expr_now): Likewise.
2328         (tree_function_versioning): Likewise.
2329         (build_duplicate_type): Likewise.
2330         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
2331         (struct copy_body_data): Replace splay-tree by pointer-map.
2332         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
2333         not $(SPLAY_TREE_H).
2334         (gimplify.o): Depend on $(SPLAY_TREE_H).
2335         (omp-low.p): Likewise.
2336
2337 2007-03-31  Anatoly Sokolov <aesok@post.ru>
2338
2339         * config/avr/predicates.md (even_register_operand,
2340         odd_register_operand): New predicates.
2341         * config/avr/avr.md (movw peephole2): New.
2342         (movw_r peephole2): New.
2343
2344 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
2345
2346         * tree.h (get_signed_or_unsigned_type): New.
2347         * fold-const.c (operand_equal_for_comparison_p): Use
2348         get_signed_or_unsigned_type instead of
2349         lang_hooks.types.signed_or_unsigned_type.
2350         * expr.c (store_expr): Ditto.
2351         * langhooks.c (get_signed_or_unsigned_type): New.
2352         (lhd_signed_or_unsigned_type): New.
2353         * langhooks.h (lhd_signed_or_unsigned_type): New.
2354         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
2355
2356 2007-03-30  Richard Henderson  <rth@redhat.com>
2357
2358         * tree-ssa-loop-ivopts.c: Include target.h.
2359         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
2360         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
2361         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
2362         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
2363
2364 2007-03-30  Richard Henderson  <rth@redhat.com>
2365             Kai Tietz  <kai.tietz@onevision.com>
2366
2367         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
2368         default for 64-bit.
2369         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
2370         (TARGET_64BIT_MS_ABI): New.
2371         (DBX_REGISTER_NUMBER): Handle 64-bit.
2372         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
2373         (LONG_TYPE_SIZE): Force to 32.
2374         (REG_PARM_STACK_SPACE): New.
2375         (OUTGOING_REG_PARM_STACK_SPACE): New.
2376         (REGPARM_MAX, SSE_REGPARM_MAX): New.
2377         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2378         (STACK_BOUNDARY): Use 128 for 64-bit.
2379         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
2380         Add 64-bit implementation.
2381         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
2382         argument unused.
2383         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
2384         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
2385         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
2386         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
2387         (ix86_handle_cconv_attribute): Don't warn when ignoring if
2388         TARGET_64BIT_MS_ABI.
2389         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
2390         (ix86_pass_by_reference): Likewise.
2391         (ix86_function_value_regno_p): Likewise.
2392         (ix86_build_builtin_va_list): Likewise.
2393         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2394         (function_arg_advance_ms_64): New.
2395         (function_arg_advance): Call it.
2396         (function_arg_ms_64): New.
2397         (function_arg): Call it.
2398         (function_value_ms_64): New.
2399         (ix86_function_value_1): Call it.
2400         (return_in_memory_ms_64): New.
2401         (ix86_return_in_memory): Call it.
2402         (setup_incoming_varargs_ms_64): New.
2403         (ix86_setup_incoming_varargs): Call it.
2404         (ix86_expand_prologue): Handle 64-bit stack probing.
2405         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
2406         (output_pic_addr_const): Likewise.
2407         (x86_this_parameter): Likewise.
2408         (x86_output_mi_thunk): Likewise.
2409         (x86_function_profiler): Likewise.
2410         (TARGET_STRICT_ARGUMENT_NAMING): New.
2411         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
2412         (TARGET_64BIT_MS_ABI): New.
2413         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
2414         * config/i386/i386.md (allocate_stack_worker): Remove.
2415         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
2416         describe the clobber of eax without a match_scratch.
2417         (allocate_stack_worker_postreload): Remove.
2418         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
2419         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
2420         (allocate_stack_worker_rex64_postreload): Remove.
2421         (allocate_stack): Handle 64-bit.
2422         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
2423         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
2424         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
2425         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
2426         (STANDARD_STARTFILE_PREFIX_1): Likewise.
2427         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
2428         * config.build (x86_64-*-mingw*): New host.
2429         * config.host (x86_64-*-mingw*): New host.
2430         * config.gcc (x86_64-*-mingw*): New target.
2431         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
2432
2433 2007-03-30  Richard Henderson  <rth@redhat.com>
2434             Kai Tietz  <kai.tietz@onevision.com>
2435
2436         * c-pragma.c (struct def_pragma_macro_value): New.
2437         (struct def_pragma_macro): New.
2438         (pushed_macro_table): New.
2439         (dpm_hash, dpm_eq): New.
2440         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
2441         (init_pragma): Install them.
2442         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2443
2444 2007-03-30  Anatoly Sokolov <aesok@post.ru>
2445
2446         * config/avr/avr.c (avr_override_options): Clear
2447         'flag_delete_null_pointer_checks'.
2448
2449 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
2450
2451         PR c++/26099
2452         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
2453         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
2454         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
2455         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
2456         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
2457         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
2458         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
2459         C++ extensions.
2460         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
2461
2462 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
2463
2464         * regmove.c: Move all of pass_stack_adjustments from here...
2465         * combine-stack-adj.c: ...to this new file.
2466         * Makefile.in: Add rules for combine-stack-adj.o.
2467
2468 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
2469
2470         PR tree-optimization/31383
2471         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
2472         to have the same length.
2473
2474 2007-03-30  Jan Hubicka  <jh@suse.cz>
2475
2476         PR middle-end/30700
2477         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
2478         availablility; add more sanity checking; ask varpool only about
2479         VAR_DECL.
2480
2481 2007-03-29  Richard Henderson  <rth@redhat.com>
2482
2483         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
2484         to decide, but __SIZEOF_LONG_LONG__.
2485
2486 2007-03-29  Richard Henderson  <rth@redhat.com>
2487
2488         * emutls.c (struct __emutls_array): New.
2489         (emutls_destroy): Use it instead of casting element 0 from void*.
2490         (__emutls_get_address): Likewise.
2491
2492 2007-03-29  Richard Henderson  <rth@redhat.com>
2493
2494         * varasm.c (initializer_constant_valid_p): Don't deny
2495         DECL_DLLIMPORT_P on functions.
2496
2497         * config/i386/cygming.h: Remove function declarations.
2498         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
2499         (ASM_OUTPUT_LABELREF): Remove.
2500         (COMMON_ASM_OP): Remove.
2501         (ASM_OUTPUT_COMMON): Remove.
2502         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
2503         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
2504         (ASM_DECLARE_FUNCTION_NAME): Likewise.
2505         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
2506         Rename from TARGET_ENCODE_SECTION_INFO.
2507         * config/i386/netware.h: Likewise.
2508         * config/i386/i386-protos.h: Update.
2509         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
2510         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
2511         (legitimate_constant_p): Reject dllimports.
2512         (dllimport_map, get_dllimport_decl): New.
2513         (legitimize_dllimport_symbol): New.
2514         (legitimize_address, ix86_expand_move): Use it.
2515         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
2516         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
2517         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
2518         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
2519         * config/i386/predicates.md (constant_call_address_operand): Only
2520         accept symbols; reject dllimport_p symbols.
2521         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
2522         i386_pe_maybe_record_exported_symbol.
2523         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
2524         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
2525         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
2526         trust the setting of DECL_DLLIMPORT_P.
2527         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
2528         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
2529         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
2530         tidy the argument scanning loop.
2531         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
2532         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
2533         (i386_pe_strip_name_encoding): Remove.
2534         (i386_pe_binds_local_p): New.
2535         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
2536         (i386_pe_output_labelref): Remove.
2537         (i386_pe_asm_output_aligned_decl_common): New.
2538         (i386_pe_maybe_record_exported_symbol): Rename from
2539         i386_pe_record_exported_symbol; check for dllexported symbols.
2540
2541 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
2542
2543         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
2544         add comment explaining why vsnprintf cannot be used.
2545
2546 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
2547
2548         PR tree-optimization/30666
2549         * tree.c (build_complex_type): When creating type names for DWARF2
2550         debug info, create TYPE_DECLs for TYPE_NAME instead of
2551         IDENTIFIER_NODEs.
2552         (build_common_tree_nodes_2): Use build_complex_type when building
2553         predefined complex types, to preserve canonical types.
2554
2555 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
2556
2557         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
2558         (noce_get_alt_condition): Look at it to determine whether to
2559         reverse the condition or not.
2560         (noce_get_condition): Substitute the truth for lies.
2561         (noce_find_if_block): Set the then_else_reversed field.
2562
2563 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
2564
2565         * config/fr30/fr30.md (movdi): Do not accept immediates as the
2566         destination of this insn.
2567         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
2568         than calling gen_rtx_SET directly.  Use r0 to hold the value of
2569         'address + 4' rather than a stack based temporary which can be
2570         mis-optimized away.
2571
2572 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2573
2574         * config/s390/s390.c (s390_secondary_input_reload_class,
2575         s390_secondary_output_reload_class): Functions removed.
2576         (s390_secondary_reload): New function.
2577         (TARGET_SECONDARY_RELOAD): Target macro defined.
2578         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
2579         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
2580         * config/s390/s390.md ("reload_outti", "reload_outdi",
2581         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
2582         "reload_out<mode>"): Expanders removed.
2583         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
2584         "reload<mode>_nonoffmem_out"): Expanders added.
2585
2586 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2587
2588         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
2589         SRC->DEST replacement failed anyway.
2590
2591 2007-03-28  Mike Stump  <mrs@apple.com>
2592
2593         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
2594         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
2595         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
2596
2597 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2598
2599         * config.gcc: Accept barcelona as a variant of amdfam10.
2600         * config/i386/i386.c (override_options): Likewise.
2601         * doc/invoke.texi: Likewise.
2602
2603 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
2604
2605         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
2606         offsets for BIT_FIELD_REF and COMPONENT_REF.
2607
2608 2007-03-28  Richard Guenther  <rguenther@suse.de>
2609
2610         * tree.c (is_global_var): Move ...
2611         * tree-flow-inline.h (is_global_var): ... here.
2612         * tree.h (is_global_var): Remove declaration.
2613
2614 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
2615
2616         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
2617         option.
2618         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
2619         * config/i386/i386.c (ix86_tune_features): Initialize new
2620         tuning option.
2621         * config/i386/predicates.md (promotable_binary_operator): Use
2622         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
2623
2624 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
2625
2626         PR target/31380
2627         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
2628
2629 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
2630
2631         * config/fr30/fr30.md (movsi_internal): Change destination
2632         constraint from m to V and add m to the end.
2633
2634 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2635
2636         * config/sh/sh.md (movsi_i): Fix type attribute.
2637
2638 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2639
2640         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
2641         (movsf_ie): Likewise.
2642
2643 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2644
2645         * config.gcc: Add sh4-300 to multilib.
2646         * config/sh/t-mlib-sh4-300: New file.
2647
2648 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
2649
2650         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
2651         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
2652         fix_trunc<mode>di2.
2653         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
2654         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
2655         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
2656         "fixuns_trunctddi2"): Whitespace fix.
2657
2658 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2659
2660         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
2661         the definition of struct sh_args.
2662         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
2663         CALL_COOKIE_INT_REG_GET): Likewise.
2664
2665 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
2666
2667         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
2668         transformations are applied successfully.
2669
2670 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
2671
2672         * tree.c (tree_contains_struct): Permit 512 tree codes.
2673         * tree.h (tree_contains_struct): Ditto.
2674         (MAX_TREE_CODES): Ditto.
2675         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
2676         SPARE member to store remaining padding bits.
2677
2678 2007-03-27  Anatoly Sokolov <aesok@post.ru>
2679
2680         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
2681         architecture.
2682
2683 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
2684
2685         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
2686         * configure: Regenerate.
2687
2688         * configure: Regenerate using the correct version of autoconf.
2689
2690 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
2691
2692         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
2693         pointer regs.
2694         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
2695         regs to "__SP_L__" and "__SP_H__".
2696
2697 2007-03-27  Richard Guenther  <rguenther@suse.de>
2698
2699         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
2700         computations with it with a HOST_WIDE_INT variable.
2701
2702 2007-03-26  Mike Stump  <mrs@apple.com>
2703
2704         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
2705         objective-c-header, objective-c++-header and objc++-cpp-output
2706         support.
2707         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
2708
2709 2007-03-26  Richard Henderson  <rth@redhat.com>
2710
2711         PR target/31361
2712         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
2713         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
2714         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
2715         IX86_BUILTIN_PSRLQ128): New.
2716         (ix86_init_mmx_sse_builtins): Add them.
2717         (ix86_expand_builtin): Expand them.
2718         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
2719         operand 2 be TImode.
2720         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
2721         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
2722         _mm_srli_epi64): Mark __B const.
2723         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
2724         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
2725         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
2726         new two-vector shift builtins.
2727
2728 2007-03-26  Ian Lance Taylor  <iant@google.com>
2729
2730         PR tree-optimization/31345
2731         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
2732         [+INF, +INF(OVF)] into VARYING.
2733
2734 2007-03-26  Zack Weinberg  <zackw@panix.com>
2735
2736         * gengtype-parse.c: New file.
2737         * gengtype-yacc.y: Delete.
2738         * gengtype-lex.l: Don't include gengtype-yacc.h.
2739         Define YY_DECL and yyterminate appropriately for recursive
2740         descent parser.  yylval is now a string out-parameter to yylex.
2741         (HWS, EOID): New shorthand.
2742         (IWORD): Add a couple more types.
2743         (yylex): Add a setup stanza.  Remove the complex rules for
2744         detecting GTY'ed types and typedefs; replace with simple
2745         keyword detectors.  Adjust everything for the changed
2746         definition of yylval.  Ignore all pp-directives, not just #define.
2747         (yyerror): Delete.
2748         (parse_file): Rename yybegin; do not call yyparse.
2749         (yyend): New.
2750         * gengtype.c (xasprintf): Export again.
2751         (this_file): New.  Use everywhere __FILE__ was being used.
2752         (get_lang_bitmap): Special case types defined in gengtype.c.
2753         (do_typedef, new_structure): Suppress definition of certain types.
2754         (new_structure): Improve diagnostics of duplicate definitions.
2755         Make sure location_s is associated with input.h.
2756         (nreverse_pairs, define_location_structures): New functions.
2757         (main): Improve tagging of kludge types.  Remove old kludges
2758         for input.h types; use define_location_structures.
2759         * gengtype.h: Update prototypes.  Define token codes here.
2760         * Makefile.in: Remove all references to gengtype-yacc.
2761         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
2762         and gengtype.
2763         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
2764         add GTY((skip)) to the field that's only conditionally there.
2765         * doc/install.texi: Document that Bison is no longer required
2766         unless building treelang.
2767
2768         * gengtype.c: Don't include gtyp-gen.h.
2769         (srcdir): Declare here.
2770         (base_files, lang_dir_names): Allocate dynamically.
2771         (gt_files, num_gt_files, num_lang_dirs): New globals.
2772         (measure_input_list, read_input_line, read_input_list)
2773         (set_lang_bitmap): New functions.
2774         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
2775         simplify, relying on read_input_list to set up the bitmaps.
2776         (main): Arguments are no longer unused.  Check for correct number
2777         of command line arguments, set srcdir and srcdir_len, then call
2778         read_input_list, before doing anything else.  No need to worry
2779         about duplicates in main loop.
2780         * configure.ac: Simplify the calculation of all_gtfiles.
2781         Put language tags in there.  Don't set or substitute
2782         all_gtfiles_files_langs or all_gtfiles_files_frags.
2783         * Makefile.in: Revamp the way gengtype is invoked, now that it
2784         takes a file on its command line with a much simpler format.
2785         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
2786         (GTFILES): Remove duplicates and C source files.
2787         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
2788         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
2789         * configure: Regenerate.
2790
2791         * gengtype.h: Remove all type definitions to gengtype.c; leave
2792         only definitions of options_p, type_p, and pair_p as opaque
2793         pointers.  Update prototypes.
2794         * gengtype.c: Many type definitions moved here from gengtype.h.
2795         Consolidate type definitions at the top of the file.
2796         (xvasprintf): Delete.
2797         (xasprintf): Make static.
2798         (create_nested_pointer_option): Add 'next' parameter.
2799         (create_field_all, create_field_at): New functions.
2800         (create_field): Now a thin wrapper around create_field_all.
2801         (create_optional_field): Rename create_optional_field_ and add
2802         line argument.  Original name is now a macro which supplies
2803         __LINE__.
2804         (oprintf): Use vsnprintf directly.
2805         (close_output_files): Use fatal rather than perror/exit.
2806         (note_def_vec, note_def_vec_alloc): Use create_field_at.
2807         (main): Set progname.  Don't use exit.
2808         * gengtype-yacc.y (struct_fields): Use create_field_at.
2809         (option, optionseqopt): Delete.
2810         (optionseq): Consolidate productions from option here so we
2811         can use the first argument to create_option.
2812
2813         * gengtype-lex.l: Distinguish unions from structures in the
2814         token type.  Don't call find_structure; return the tag as a string.
2815         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
2816         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
2817         Reorganize typedef_struct production accordingly.
2818         Use create_nested_ptr_option.
2819         * gengtype.c (create_nested_ptr_option): New function.
2820         * gengtype.h: Declare it.
2821
2822         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
2823         (string_type): Don't declare.
2824         (do_scalar_typedef): Declare.
2825         (create_scalar_type): Update prototype.
2826         * gengtype.c (string_type): Make static.
2827         (scalar_nonchar, scalar_char): New.
2828         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
2829         (resolve_typedef): Use scalar_nonchar for error recovery.
2830         (create_scalar_type): Remove name_len field.  Return scalar_char
2831         or scalar_nonchar as appropriate.
2832         (adjust_field_type): Look at scalar_is_char boolean to decide whether
2833         to use string_type.
2834         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
2835         whenever possible.
2836         (main): Initialize scalar_char and scalar_nonchar before calling
2837         gen_rtx_next.
2838         * gengtype-lex.l: Adjust for removal of second argument to
2839         create_scalar_type.  Use yylval.s instead of yylval.t when
2840         returning SCALAR.
2841         * gengtype-yacc.y: Type of SCALAR is string.  Call
2842         create_scalar_type from type:SCALAR rule.  Adjust for removal of
2843         second argument to create_scalar_type.
2844
2845         * vec.h: Remove all #if IN_GENGTYPE blocks.
2846         Add comment saying that changes may require adjustments to gengtype.
2847         * gengtype.c: Don't include coretypes.h or tm.h.
2848         Add comment to inclusion of errors.h.
2849         (note_def_vec, note_def_vec_alloc): New functions.
2850         * gengtype.h: Declare new functions.
2851         * gengtype-lex.l: Don't include coretypes.h.
2852         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
2853         Delete.
2854         (update_lineno): Remove unnecessary prototype.
2855         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
2856         (VEC rule): Just return VEC_TOKEN.
2857         * gengtype-yacc.y (VEC_TOKEN): New token type.
2858         (type): Add a production for VEC(a,b).
2859         * Makefile.in: Update dependencies.
2860
2861         * gengtype-lex.l: Remove rules for parsing pointer-to-function
2862         typedefs that use the old PARAMS macro.
2863
2864         * gengtype-lex.l: Remove all rules and states relating to yacc
2865         input files.
2866         * gengtype-yacc.y: Similarly.
2867         * gengtype.c (note_yacc_type): Delete function.
2868         * gengtype.h: Update prototypes.
2869
2870 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
2871
2872         * tree-pretty-print.c (dump_generic_node): Report precision of
2873         unnamed integer types.
2874
2875 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
2876
2877         * ifcvt.c (noce_try_store_flag_constants): Don't check
2878         no_new_pseudos here.
2879         (noce_try_store_flag_constants): Don't check no_new_pseudos.
2880         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
2881         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
2882         noce_try_sign_mask): Likewise.
2883         (if_convert): Check no_new_pseudos here.
2884
2885         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
2886         Remove prototypes.
2887         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
2888         (noce_get_condition): Handle new then_else_reversed argument.
2889         (noce_init_if_info): Remove, fold into noce_find_if_block.
2890         (noce_process_if_block): Take a struct noce_if_info as the
2891         argument.  Don't set up one based on ce_if_info.  Update pointer
2892         references accordingly.
2893         (cond_move_process_if_block): Likewise.
2894         (process_if_block): Removed.
2895         (find_if_block): Removed.  Move functionality two new functions,
2896         noce_find_if_block and cond_exec_find_if_block.
2897         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
2898         blocks and the symmetric IF-ELSE-JOIN case.
2899         (cond_exec_find_if_block): Also new function mostly based on old
2900         find_if_block and process_if_block.
2901         (find_if_header): Replace find_if_block call with separately
2902         guarded calls to noce_find_if_block and cond_exec_find_if_block.
2903         (find_cond_trap): Update noce_get_condition call.
2904         (dead_or_predicable): Likewise.
2905
2906 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
2907
2908         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
2909         Remove.
2910         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
2911         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
2912         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
2913         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
2914         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
2915         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
2916         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
2917         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
2918         __builtin_ia32_psrad128 builtins.
2919
2920 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
2921
2922         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
2923         * config/i386/constraints.md
2924         (define_constraint "I"): Use IN_RANGE macro.
2925         (define_constraint "J"): Ditto.
2926         (define_constraint "K"): Ditto.
2927         (define_constraint "M"): Ditto.
2928         (define_constraint "N"): Ditto.
2929         (define_constraint "O"): Ditto.
2930         * config/i386/predicates.md
2931         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
2932         (define_predicate "const_0_to_3_operand"): Ditto.
2933         (define_predicate "const_0_to_7_operand"): Ditto.
2934         (define_predicate "const_0_to_15_operand"): Ditto.
2935         (define_predicate "const_0_to_63_operand"): Ditto.
2936         (define_predicate "const_0_to_255_operand"): Ditto.
2937         (define_predicate "const_1_to_31_operand"): Ditto.
2938         (define_predicate "const_2_to_3_operand"): Ditto.
2939         (define_predicate "const_4_to_7_operand"): Ditto.
2940
2941 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
2942
2943         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
2944         in SImode for save_world.
2945         * config/rs6000/altivec.md (save_world, restore_world): Convert to
2946         LR hard reg.
2947
2948 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
2949
2950         PR tree-optimization/30784
2951         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
2952         BIT_FIELD_REF.
2953
2954 2007-03-25  Revital Eres  <eres@il.ibm.com>
2955
2956         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
2957           Fold movement_possibility function into it.
2958
2959 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
2960
2961         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
2962         (load_macho_picbase_{si,di}): Convert to LR hard reg.
2963         (call_indirect_nonlocal_darwin64): Same.
2964         (call_nonlocal_darwin64): Same.
2965         (call_value_indirect_nonlocal_darwin64): Same.
2966         (call_value_nonlocal_darwin64): Same.
2967         (sibcall_nonlocal_darwin64): Same.
2968         (sibcall_value_nonlocal_darwin64): Same.
2969         (sibcall_symbolic_64): Same.
2970         (sibcall_value_symbolic_64): Same.
2971         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
2972         LR pseudo.
2973         (rs6000_emit_load_toc_table): Same.
2974         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
2975         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
2976         (mull_call): Same.
2977         (divss_call): Same.
2978         (divus_call): Same.
2979         (quoss_call): Same.
2980         (quous_call): Same.
2981         (load_toc_v4_pic_si): Same
2982         (load_toc_v4_PIC_1): Same.
2983         (load_toc_v4_PIC_1b): Same.
2984         (call_indirect_aix{32,64}): Same.
2985         (call_value_indirect_aix{32,64}): Same.
2986         (call): Same.
2987         (call_value): Same.
2988         (call_local{32,64}): Same.
2989         (call_value_local{32,64}): Same.
2990         (call_indirect_nonlocal_aix{32,64}): Same.
2991         (call_nonlocal_aix{32,64}): Same.
2992         (call_value_indirect_nonlocal_aix{32,64}): Same.
2993         (call_value_nonlocal_aix{32,64}): Same.
2994         (call_indirect_nonlocal_sysv<mode>): Same.
2995         (call_nonlocal_sysv<mode>): Same.
2996         (call_value_indirect_nonlocal_sysv<mode>): Same.
2997         (call_value_nonlocal_sysv<mode>): Same.
2998         (sibcall): Same.
2999         (sibcall_local{32,64}): Same.
3000         (sibcall_value_local{32,64}): Same.
3001         (sibcall_nonlocal_aix{32,64}): Same.
3002         (sibcall_value_nonlocal_aix{32,64}): Same.
3003         (sibcall_nonlocal_sysv<mode>): Same.
3004         (sibcall_value): Same.
3005         (sibcall_value_nonlocal_sysv<mode>): Same.
3006
3007 2007-03-24  Paul Brook  <paul@codesourcery.com>
3008
3009         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
3010         * config/arm/linux-eabi.h: Remove legacy syscall hack.
3011
3012 2007-03-24  Richard Henderson  <rth@redhat.com>
3013
3014         * config/ia64/constraints.md: New file.
3015         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
3016         satisfies_constraint_?.
3017         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
3018         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
3019         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
3020         ia64_output_mi_thunk): Likewise.
3021         (ia64_const_ok_for_letter_p): Remove.
3022         (ia64_const_double_ok_for_letter_p): Remove.
3023         (ia64_extra_constraint): Remove.
3024         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
3025         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
3026         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
3027         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
3028         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
3029         EXTRA_MEMORY_CONSTRAINT): Remove.
3030         * config/ia64/ia64.md: Include constriants.md.  Replace
3031         CONST_OK_FOR_? with satisfies_constraint_?.
3032
3033 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
3034             H.J. Lu  <hongjiu.lu@intel.com>
3035
3036         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
3037         DPD or BID name.
3038         (name macros): Use DPD_BID_NAME to convert names properly.
3039
3040         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
3041         decimal floating point format.
3042         (init_floating_libfuncs): Change decimal functions so that they
3043         have a "bid_" prefix if the decimal system uses the BID format,
3044         and "dpd_" prefix if the decimal system uses the DPD format.
3045         (init_interclass_conv_libfuncs): Ditto.
3046         (init_intraclass_conv_libfuncs): Ditto.
3047
3048         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3049         using the BID format.
3050
3051         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3052         whether we are using the BID decimal format.
3053         * configure: Regenerate.
3054
3055         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3056         the compiler has decimal floating point enabled.  Define
3057         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3058         instead of DPD.
3059
3060         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3061         using the BID format.
3062
3063         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3064         whether we are using the BID decimal format.
3065         * configure: Regenerate.
3066
3067         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3068         the compiler has decimal floating point enabled.  Define
3069         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3070         instead of DPD.
3071
3072         * doc/install.texi (--enable-decimal-float): Document BID and DPD
3073         options, and that it is enabled for i386/x86_64 systems.
3074
3075         * Makefile.in (enable_decimal_float): New.
3076         (DECNUMFMT): New.
3077         (DECNUMINC): Add  -I$(DECNUMFMT).
3078         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
3079         to $(DECNUMFMT) from $(DECNUM).
3080
3081         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
3082         Substitute enable_decimal_float.
3083         * configure: Regenerated.
3084
3085         PR other/30529
3086         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
3087         unsigned long.
3088
3089         * configure.ac: Enable decimal float for x86_64-*-linux*.
3090         * configure: Regenerated.
3091
3092         PR other/30530
3093         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
3094         decimal128ClearSign to flip and clear the sign bit in decimal128.
3095         (decimal_real_maxval): Set decimal128SetSign to set the sign
3096         bit in decimal128.
3097
3098 2007-03-23  Ian Lance Taylor  <iant@google.com>
3099
3100         * fold-const.c (fold_binary): Correct warning for X - c >= X.
3101
3102 2007-03-23  Ian Lance Taylor  <iant@google.com>
3103
3104         * tree-dump.c (dump_files): Correct comment.
3105
3106 2007-03-23  Ian Lance Taylor  <iant@google.com>
3107
3108         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
3109
3110 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
3111
3112         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
3113         in cfglayout mode.  Don't go into and out of cfglayout mode.
3114         Link the blocks in the order of the constructed traces.
3115         (rest_of_handle_tracer): Adjust call to tracer.
3116         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
3117         Don't go into cfglayout mode.
3118         (rtl_loop_done): Don't go out of cfglayout mode.
3119         * cfglayout.c (relink_block_chain): New function, split out from...
3120         (fixup_reorder_chain): ...here.  Remove redundant checking.
3121         (cfg_layout_finalize): Don't clear the header, footer, and aux
3122         fields here, move the code to do so to relink_block_chain.  Likewise
3123         for free_original_copy_tables.
3124         * rtl.h (tracer): Update prototype.
3125         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
3126         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
3127         mode.  Use relink_block_chain to serialize the CFG according to the
3128         new basic block order.  Move targetm.cannot_modify_jumps_p check from
3129         here...
3130         (gate_handle_reorder_blocks): ...to here.
3131         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
3132         from here...
3133         (gate_duplicate_computed_gotos): ...to here.
3134         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
3135         something always changes when going into and out of cfglayout mode.
3136         Perform an expensive cfg cleanup while going into cfglayout mode.
3137         Always update liveness information on HAVE_conditional_execution
3138         targets.  Reserialize the basic blocks and go out of cfglayout mode.
3139         * reg-stack.c: Include cfglayout.h.
3140         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
3141         the call to reorder_basic_blocks.
3142         * basic-block.h (reorder_basic_blocks): Update prototype.
3143         (relink_block_chain): New prototype.
3144         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
3145
3146 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
3147
3148         * config/mips/mips.md (type, hazard, *movdi_32bit,
3149         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
3150         *movhi_internal, *movqi_internal, *movsf_hardfloat,
3151         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
3152         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
3153         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
3154         applicable.
3155         (movcc): Change first xfer to multi.
3156         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
3157         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
3158         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
3159         config/mips/generic.md: Change reservations using "xfer" to use
3160         "mfc,mtc".
3161         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
3162         using match_operand.
3163         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
3164         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
3165         examining mode.
3166         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
3167
3168 2007-03-22  Richard Henderson  <rth@redhat.com>
3169
3170         * config/i386/i386.c: Remove unnecessary function declarations.
3171         Move targetm definition, and all related macros, to the end of
3172         the file.  Resort some functions to put definitions before uses.
3173         (ix86_attribute_table): Make static.  Move to end of file.
3174         (ix86_gimplify_va_arg): Make static.
3175
3176 2007-03-22  Richard Henderson  <rth@redhat.com>
3177
3178         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
3179         don't increase local_regparm with force_align_arg_pointer check.
3180         (ix86_function_sseregparm): Assert 32-bit.
3181         (type_has_variadic_args_p): New.
3182         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
3183         type_has_variadic_args_p.
3184         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
3185         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
3186         use memset instead.  Do maybe_vaarg check first; skip attribute
3187         tests if true; skip attribute tests for 64-bit.
3188         (construct_container): Remove TARGET_DEBUG_ARG.
3189         (function_arg_advance_32, function_arg_advance_64): Split out ...
3190         (function_arg_advance): ... from here.
3191         (function_arg_32, function_arg_64): Split out ...
3192         (function_arg): ... from here.
3193         (ix86_pass_by_reference): Tidy.
3194         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
3195         (function_value_32): New, from parts of ix86_function_value
3196         and ix86_value_regno.
3197         (function_value_64): New, from parts of ix86_function_value
3198         and ix86_libcall_value.
3199         (ix86_function_value_1): New.
3200         (ix86_function_value, ix86_libcall_value): Use it.
3201         (return_in_memory_32, return_in_memory_64): Split out ...
3202         (ix86_return_in_memory): ... from here.
3203         (ix86_struct_value_rtx): Skip for 64-bit.
3204         (ix86_libcall_value, ix86_value_regno): Remove.
3205         (setup_incoming_varargs_64): Split out ...
3206         (ix86_setup_incoming_varargs): ... from here.
3207         (ix86_va_start): Remove TARGET_DEBUG_ARG.
3208         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
3209         * config/i386/i386-protos.h (ix86_function_value): Remove.
3210         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
3211
3212 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3213
3214         PR other/23572
3215         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
3216         infinities not supported, otherwise emit warning if -Woverflow. On
3217         underflow, emit warning if -Woverflow.
3218         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
3219         and 0 otherwise.
3220         * real.h (real_from_string): Update declaration
3221
3222 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
3223             Richard Henderson  <rth@redhat.com>
3224
3225         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
3226         * calls.c (compute_argument_block_size, expand_call,
3227         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
3228         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
3229         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
3230         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
3231         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
3232         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
3233         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
3234         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
3235         Set to 1.
3236
3237 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
3238
3239         * c-incpath.c (add_sysroot_to_chain): New.
3240         (merge_include_chains): Add sysroot argument.  Call
3241         add_sysroot_to_chain if sysrooted.
3242         (register_include_chains): Update call to merge_include_chains.
3243         * doc/cppopts.texi: Document use of '=' in include directory
3244         arguments.
3245
3246 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
3247
3248         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
3249         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
3250         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
3251         insn pattern using X87MODEF12 mode macro.
3252
3253 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
3254
3255         * regmove.c (regmove_optimize): Use reg_mentioned_p
3256         instead of reg_overlap_mentioned_p for DST.
3257
3258 2007-03-21  Mike Stump  <mrs@apple.com>
3259
3260         * c.opt: Fixup for Objective-C/C++.
3261
3262 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
3263
3264         * explow.c (convert_memory_address): Fold memory reference when
3265         POINTERS_EXTEND_UNSIGNED < 0
3266
3267 2007-03-21  Richard Henderson  <rth@redhat.com>
3268
3269         PR target/31245
3270         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
3271         * config/i386/mmintrin.h (__m64): Likewise.
3272         * config/i386/xmmintrin.h (__m128): Likewise.
3273
3274 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3275
3276         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
3277         (VXWORKS_OS_CPP_BUILTINS): Define.
3278         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
3279         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
3280
3281 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3282
3283         * rtl.h (constant_pool_reference_p): Delete.
3284         (find_constant_src): Declare.
3285         * rtlanal.c (find_constant_src): New function.
3286         * simplify-rtx.c (constant_pool_reference_p): Delete.
3287         * config/i386/i386.md: Use find_constant_src instead of
3288         constant_pool_reference_p/avoid_constant_pool_reference pairs.
3289
3290 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3291
3292         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
3293         * c-cppbuiltin.c (c_cpp_builtins): Define them.
3294
3295 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
3296
3297         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
3298         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
3299         (arm_elf_asm_constructor): Use it.
3300         (arm_elf_asm_destructor): New function.
3301
3302 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3303
3304         * jump.c (mark_jump_label): Treat SEQUENCE specially.
3305
3306 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
3307
3308         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
3309
3310 2007-03-19  Andrew Haley  <aph@redhat.com>
3311
3312         PR tree-optimization/31264
3313         * tree-vrp.c (register_edge_assert_for_1): Don't look though
3314         VIEW_CONVERT_EXPRs.
3315
3316 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
3317
3318         PR rtl-optimization/30907
3319         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
3320         (fwprop_init): Always call loop_optimizer_initialize.
3321         (fwprop_done): Always call loop_optimizer_finalize.
3322         (fwprop): We always have loop info now.
3323         (gate_fwprop_addr): Remove.
3324         (pass_fwprop_addr): Use gate_fwprop as gate.
3325
3326         PR rtl-optimization/30841
3327         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
3328         df_chain_alloc): Call df_reorganize_refs unconditionally.
3329         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
3330         refs_organized to refs_organized_size.
3331         (df_ref_create_structure): Use refs_organized_size instead of
3332         bitmap_size if refs had been organized, and keep refs_organized_size
3333         up-to-date.
3334         * df.h (struct df_ref_info): Change refs_organized to
3335         refs_organized_size.
3336         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
3337         bitmap_size.
3338
3339 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
3340
3341         * except.c (output_function_exception_table): Do not reference the
3342         EH personality routine for functions that do not require an
3343         exception table.
3344
3345 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
3346
3347         PR c/30762
3348         * c-typeck.c (convert_for_assignment): Call comptypes for
3349         RECORD_TYPE or UNION_TYPE.
3350
3351         PR inline-asm/30505
3352         * reload1.c (reload): Do invalid ASM checking after
3353         cleanup_subreg_operands.
3354
3355 2007-03-19  Jeff Law  <law@redhat.com>
3356
3357         * tree-cfg.c (find_taken_edge): Tighten conditions for
3358         optimizing computed gotos.
3359
3360 2007-03-19  Michael Matz  <matz@suse.de>
3361
3362         * builtins.c (expand_builtin_sync_operation,
3363         expand_builtin_compare_and_swap,
3364         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
3365         correctly.
3366
3367         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
3368         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
3369         for operand 3.
3370
3371 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3372
3373         * doc/tm.texi: Add brackets around the return type of
3374         TARGET_SECONDARY_RELOAD.
3375
3376 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3377         Richard Guenther  <rguenther@suse.de>
3378
3379         PR tree-optimization/31254
3380         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3381         Use handled_component_p () where appropriate.  Continue
3382         propagating into the rhs if we propagated into an INDIRECT_REF
3383         on the lhs.
3384
3385 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3386
3387         * config/s390/s390.md (op_type attribute): RRR instruction type added.
3388         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
3389         (xde, xdee): Mode attributes adjusted to support DFP modes.
3390         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
3391         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
3392         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
3393         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
3394         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
3395         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3396         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
3397         numbers.
3398         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
3399         "movsf"): Insn definitions removed.
3400         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
3401         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
3402         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
3403         definitions added.
3404         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
3405         "reload_in<mode>", "reload_out<mode>"): Expander added.
3406         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
3407         Expander removed.
3408
3409 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3410
3411         * config/s390/s390.md: Only non-functional changes.  Renamed
3412         FPR mode macro to BFP all over the file.
3413
3414 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3415
3416         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
3417         (op_type attribute): RRF instruction type added.
3418         (fT0): New mode attribute.
3419         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3420         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
3421         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
3422         no secondary memory is needed when moving DFmode values between GPRs
3423         and FPRs.
3424
3425 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3426
3427         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
3428         inverted and documentation adjusted.
3429         ("mhard-dfp", "msoft-dfp"): New options.
3430         * config/s390/s390.c (s390_handle_arch_option): New architecture
3431         switch: z9-ec.
3432         (override_options): Sanity checks for the new options added.
3433         * config.gcc: New architecture switch: z9-ec.
3434         * config/s390/s390.h (processor_flags): PF_DFP added.
3435         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
3436         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
3437         when the bit is NOT set so remove it from the defaults.
3438
3439 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3440
3441         * genemit.c (main): Print include statement for dfp.h.
3442         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
3443         is not available.
3444
3445 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
3446
3447         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
3448
3449 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
3450
3451         PR target/31022
3452         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
3453         instead of PATTERN.
3454
3455 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3456
3457         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
3458         attr_length_call, output_call, output_indirect_call): Cleanup
3459         formatting of targetm calls.
3460
3461 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
3462
3463         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
3464
3465 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3466
3467         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
3468         reservation, bypass and anti-bypass descriptions for these instructions.
3469         Update move patterns.
3470         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
3471         TYPE_FPSTORE.
3472
3473 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
3474
3475         * tree-vect-transform.c (get_initial_def_for_induction): Replace
3476         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
3477         (get_initial_def_for_reduction): Likewise.
3478
3479 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
3480
3481         Fix PR tree-optimization/29922
3482         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
3483         (get_representative): Removed.
3484         (value_dies_in_block_x): Update for rvuse removal.
3485         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
3486         (compute_antic_aux): Handle when PHI nodes appear in
3487         non-single-successors.
3488         (dump_bitmap_of_names): Removed.
3489         (compute_antic_safe): Renamed and removed rvuse calculation.
3490         Calculate only antic safe.
3491         (insert_into_preds_of_block): Remove assert.
3492         (execute_pre): Update for renamed functions.
3493         (defer_or_phi_translate_block): New function.
3494
3495 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
3496
3497         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
3498         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
3499         typos.
3500         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
3501         Follow spelling conventions.
3502
3503         * tree-data-ref.h: Remove the prototype for analyze_array.
3504
3505 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
3506
3507         PR tree-optimization/31041
3508         * tree-vect-transform.c (get_initial_def_for_induction): Call
3509         force_gimple_operand.
3510
3511 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
3512
3513         * ipa-type-escape.c (look_for_casts) : Revert code to use
3514         handled_component_p due to ada test a-numaux.adb.
3515
3516 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
3517
3518         * final.c (final_scan_insn): Alter the condition of a
3519         conditional trap if we have nonstandard CC.
3520
3521 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3522
3523         * configure.ac: Remove excess quoting from asm line 0 test.
3524         * configure: Rebuilt.
3525
3526 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3527
3528         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
3529         * c-common.c (convert_and_check): Move warning logic to...
3530         (warnings_for_convert_and_check): ...here. Define.
3531         * c-common.h (warnings_for_convert_and_check): Declare.
3532
3533 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3534
3535         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
3536         (output_call): Likewise.
3537
3538 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
3539
3540         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
3541
3542 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
3543
3544         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
3545
3546 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
3547
3548         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
3549         opteron, athlon-64 and athlon-fx processor_alias_table entries.
3550
3551 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
3552
3553         PR tree-optimization/31183
3554         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
3555         Use double_int instead of unsigned int for representing access_strides.
3556         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
3557
3558 2007-03-16  Richard Guenther  <rguenther@suse.de>
3559
3560         PR tree-optimization/31146
3561         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
3562         to allow recursion of forward_propagate_addr_expr.
3563         (forward_propagate_addr_into_variable_array_index): Likewise.
3564         (forward_propagate_addr_expr): Likewise.
3565         (tree_ssa_forward_propagate_single_use_vars): Likewise.
3566         (forward_propagate_addr_expr_1): Recurse on simple copies
3567         instead of propagating into them.  Do so for useless conversions
3568         as well.
3569         (forward_propagate_addr_expr): Clean up unused statements after
3570         recursion.
3571
3572 2007-03-16  Richard Guenther  <rguenther@suse.de>
3573
3574         * builtins.c (expand_builtin_cexpi): Use the right argument
3575         for the expansion via cexp.
3576
3577 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3578
3579         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
3580         * configure: Rebuilt.
3581
3582 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3583
3584         PR debug/29906
3585         * dwarf2out.c (force_type_die): Adjust comment.
3586         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
3587
3588 2007-03-15  DJ Delorie  <dj@redhat.com>
3589
3590         * config/frv/predicates.md (minmax_operator): Don't check operands
3591         here.
3592
3593 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
3594
3595         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
3596         Update constant estimates of number of iterations.
3597         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
3598         argument renamed to "realistic".
3599         (compute_estimated_nb_iterations): Removed.
3600         (record_niter_bound): New function.
3601         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
3602         call record_nonwrapping_iv with upper = false.
3603         (infer_loop_bounds_from_signedness): Pass upper argument to
3604         record_nonwrapping_iv.
3605         (estimate_numbers_of_iterations_loop): Do not call
3606         compute_estimated_nb_iterations.  Record estimate based on profile
3607         information.  Initialize the constant estimates of number of
3608         iterations.
3609         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
3610         estimates.
3611         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
3612         number of iterations is too small.
3613         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
3614         (EST_NOT_AVAILABLE): Removed.
3615         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
3616         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
3617         fields.
3618
3619 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
3620
3621         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
3622         Handle NE_EXPR guards.
3623
3624 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3625
3626         PR c++/24924
3627         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
3628         Set also -pedantic-errors by default for the  preprocessor unless
3629         -fpermissive is given.
3630
3631 2007-03-15  Richard Guenther  <rguenther@suse.de>
3632
3633         PR middle-end/29719
3634         PR middle-end/31161
3635         * builtins.c (expand_builtin_cexpi): As a fallback if we
3636         don't have builtins for sincos or cexp create a function
3637         declaration for cexp and expand to a call to that.
3638         (expand_builtin_int_roundingfn): Always fall
3639         back to floor/ceil and its variants even if they may be
3640         not available.
3641
3642 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
3643
3644         PR middle-end/31159
3645         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
3646         jump tables, move the call to delete_dead_jumptables from here...
3647         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
3648         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
3649         don't allow merging of blocks that try_redirect_by_replacing_jump
3650         also does not handle when not optimizing.
3651
3652 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
3653             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3654
3655         * config/i386/i386.md (x86_sahf_1): Correctly handle
3656         HAVE_AS_IX86_SAHF.
3657
3658 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
3659
3660         PR target/31167
3661         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
3662         x86_64_general_operand as operand[2] predicate.  Remove "iF"
3663         from operand constraints and use "e" constraint instead.
3664         (*subti3_1, *subti3_1 splitter): Ditto.
3665         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
3666         operand[1] predicate.
3667
3668 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
3669
3670         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
3671         arrays, multiply the access strides by the size of the sub-array.
3672         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
3673
3674 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
3675
3676         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
3677         the configured assembler supports the sahf mnemonic.
3678         * configure: Regenerate.
3679         * config.in: Regenerate.
3680
3681         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
3682         emit "sahf" or ".byte\t0x9e" as asm template.
3683
3684 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
3685
3686         PR 31018
3687         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
3688         option to replace hard coded TARGET_xxx in md file.
3689         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
3690         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
3691         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
3692         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
3693         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
3694         (X86_TUNE_NOT_VECTORMODE): Ditto.
3695         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
3696         (TUNE_AVOID_VECTOR_DECODE): Ditto.
3697         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
3698         (TUNE_SLOW_IMUL_IMM8): Ditto.
3699         (TUNE_MOVE_M1_VIA_OR): Ditto.
3700         (TUNE_NOT_UNPAIRABLE): Ditto.
3701         (TUNE_NOT_VECTORMODE): Ditto.
3702
3703         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
3704         options.
3705
3706         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
3707         tuning options instead of hard coded TARGET_xxx.
3708         (fix ssemode peephole2's): Ditto.
3709         (imul peephole2's): Ditto.
3710         (movsi_or): Ditto.
3711         (movdi_or_rex64): Ditto.
3712         (move peephole2): Ditto.
3713         (not peephole2's): Ditto.
3714
3715 2007-03-14  Dirk Mueller  <dmueller@suse.de>
3716
3717         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
3718         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
3719         * c-parser.c (c_parser_if_body): Always add an empty statement in case
3720         of empty body.
3721         * c-parser.c (c_parser_do_statement): Warn about empty body in
3722         do/while statement.
3723         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
3724         * doc/invoke.texi (-Wempty-body): Update documentation.
3725
3726 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3727
3728         PR c/21438
3729         * c-common.h (warn_for_div_by_zero): Declare.
3730         * c-common.c (warn_for_div_by_zero): Define.
3731         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
3732         warning.
3733
3734 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
3735
3736         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
3737         to PREFIX and STANDARD_PREFIX.
3738
3739 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
3740             Phil Edwards  <phil@codesourcery.com>
3741
3742         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
3743         (__gthread_once_t): Remove busy field for RTPs.
3744         (__GTHREAD_ONCE_INIT): Update accordingly.
3745
3746 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
3747
3748         * doc/invoke.texi: Document VxWorks options.
3749
3750 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
3751
3752         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
3753
3754 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
3755
3756         PR tree-optimization/30590
3757         * tree-nrv.c (tree_nrv): Check for the partial update of the
3758         return value.
3759
3760 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
3761
3762         * flags.h (flag_random_seed): Remove declaration, in favor of...
3763         * toplev.h (get_random_seed, set_random_seed): ... these.
3764         * tree.c (get_file_function_name): Use the former.
3765         * opts.c (common_handle_option): Use the latter.
3766         * toplev.c
3767
3768 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
3769
3770         PR middle-end/31127
3771         * cse.c (cse_find_path): Do not bail out if a basic block that
3772         we already visited now becomes part of a path that starts at a
3773         different basic block.  Just disallow this, to make sure we
3774         visit each basic block at most once.
3775
3776 2007-03-13  Jan Hubicka  <jh@suse.cz>
3777
3778         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
3779         when profile esitmate is present, calls with very low frequency are
3780         cold.
3781
3782 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
3783
3784         PR tree-optimization/30730
3785         PR tree-optimization/26900
3786         * tree-ssa-loop-niter.c: Include gmp.h.
3787         (bounds): New type.
3788         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
3789         split_to_var_and_offset, determine_value_range,
3790         bound_difference_of_offsetted_base, refine_bounds_using_guard,
3791         bound_difference, bounds_add, bounds_negate,
3792         number_of_iterations_ne_max, dump_affine_iv): New functions.
3793         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3794         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
3795         difference of initial and final value of control iv to validate
3796         results.
3797         (number_of_iterations_cond): Add loop parameter.  Determine bounds
3798         on the difference of the extremes of the control iv.  Add dumps.
3799         (expand_simple_operations): Handle phi nodes.
3800         (simplify_using_initial_conditions): Do not record used conditions.
3801         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
3802         Do not set additional_info.
3803         (implies_nonnegative_p, implies_ge_p): Removed.
3804         (derive_constant_upper_bound): Do not use parameter `additional'.
3805         (record_estimate): Parameter `additional' removed.  Parameter
3806         `i_bound' added.  Do not call derive_constant_upper_bound.
3807         (record_nonwrapping_iv): Use derive_constant_upper_bound to
3808         bound the number of iterations estimate.
3809         (estimate_numbers_of_iterations_loop): Pass the estimate from
3810         the number of iterations analysis to record_estimate.
3811         * tree.h (multiple_of_p): Declare.
3812         * tree-scalar-evolution.c (expression_expensive_p): Removed.
3813         (scev_const_prop): Do not check expression_expensive_p.
3814         * fold-const.c (multiple_of_p): Exported.
3815         * double-int.c (double_int_mask): Exported.
3816         * double-int.h (double_int_mask): Declare.
3817         * tree-flow.h (struct tree_niter_desc): Removed additional_info
3818         field.  Added max field.
3819
3820 2007-03-13  David Taylor  <taylor@candd.org>
3821
3822         PR driver/12448:
3823         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
3824         default -MQ.
3825
3826 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3827
3828         PR target/31123
3829         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
3830         two unamed patterns.
3831
3832 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
3833
3834         * config/i386/i386.opt (mcx16, msahf): New options.
3835         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
3836         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
3837
3838         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
3839         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
3840         Output -mcx16 and -msahf options when corresponding bit is set.
3841
3842         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
3843         and -msahf options.
3844
3845 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
3846
3847         * configure.ac: Test for assembler tolerance to # 0 "".
3848         * configure, config.in: Rebuilt.
3849         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
3850
3851 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
3852
3853         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
3854
3855         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
3856         (handle_syscall): Handle direct system calls.
3857         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
3858
3859 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
3860
3861         * doc/invoke.texi: Fix cpp.info cross-reference.
3862         * doc/passes.texi: Fix gcc.info cross-reference.
3863
3864 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
3865
3866         PR tree-optimization/30835
3867         * lambda-code.c (can_convert_to_perfect_nest): Check whether
3868         bb_for_stmt is not NULL before accessing it.
3869
3870 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
3871
3872         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
3873         some multilibs.
3874
3875 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
3876
3877         PR 30635
3878         * doc/install.texi: Document --enable-stage1-languages
3879
3880 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
3881
3882         * tree-pass.h (pass_into_cfg_layout_mode,
3883         pass_outof_cfg_layout_mode): Declare.
3884         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
3885         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
3886         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
3887         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
3888
3889 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
3890
3891         * c-decl.c (warn_variable_length_array): New function.
3892         Refactored from grokdeclarator to handle warn_vla
3893         and handle unnamed array case.
3894         (grokdeclarator): Refactored VLA warning case.
3895         * c.opt (Wvla): New flag.
3896         * doc/invoke.texi (Wvla): New warning.
3897
3898 2007-03-12  Richard Henderson  <rth@redhat.com>
3899
3900         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
3901         (TARGET_SECTION_TYPE_FLAGS): New.
3902
3903 2007-03-12  Richard Henderson  <rth@redhat.com>
3904
3905         * config/darwin.c (machopic_reloc_rw_mask): New.
3906         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
3907         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
3908
3909 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
3910
3911         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
3912         * cppdefault.h (cpp_PREFIX): Document.
3913         (cpp_PREFIX_len): Likewise.
3914         (cpp_EXEC_PREFIX): New variable.
3915         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
3916         * c-incpath.c (add_standard_paths): Correct logic for relocating
3917         paths within prefix.
3918
3919 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
3920
3921         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
3922         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
3923         mode macro.
3924         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
3925         fix_truncdfdi_sse using SSEMODEF mode macro.
3926         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
3927         fix_truncdfsi_sse using SSEMODEF mode macro.
3928         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
3929         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
3930
3931 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
3932
3933         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
3934         elfos.h to tm_file.
3935
3936 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
3937
3938         * tree.h : Add multiple_of_p declaration.
3939         * fold-const.c (multiple_of_p): Make multiple_of_p public.
3940         * ipa-type-escape.c (results_of_malloc): Redundant.
3941         (visited_stmts): New. Visited stmt for walk_use_def_chains.
3942         (cast_type): Extended with new members.
3943         (check_cast): Returns cast_type.
3944         (cast): New structure for data of walk_use_def_chains.
3945         (is_malloc_result, is_cast_from_non_pointer_1,
3946         is_cast_from_non_pointer,
3947         is_array_access_through_pointer_and_index): New functions.
3948         (look_for_casts): Returns cast types.
3949         (check_call): Returns void.
3950         (okay_pointer_operation): Use support of pointer plus index,
3951         pointer plus constant and allow all multiplications.
3952
3953 2007-03-11  Richard Guenther  <rguenther@suse.de>
3954
3955         PR tree-optimization/31115
3956         * tree-vrp.c (extract_range_from_binary_expr): Make sure
3957         the shift count is positive and non-anti-range for RSHIFT_EXPR.
3958         A shift count of zero is not special as with *_DIV_EXPR.
3959         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
3960         direction.
3961
3962 2007-03-11  Ian Lance Taylor  <iant@google.com>
3963
3964         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
3965         the *_DIV_EXPR codes correctly with overflow infinities.
3966
3967 2007-03-11  Ira Rosen  <irar@il.ibm.com>
3968
3969         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
3970         indicate success/failure of the analysis. Add negation to subtrahend
3971         in case of subtraction. Fail if both operands contain constants.
3972         (create_data_ref): Fail if analyze_offset fails.
3973
3974 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
3975
3976         * config/i386/i386.md (frndintxf2): Rename to ...
3977         (rintxf2): ... this. Remove expander having same name.
3978         (rintsf2, rintdf2): Implement using SSEMODEF macro.
3979         (roundsf2, rounddf2): Ditto.
3980         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
3981         (lround<mode>di2, lround<mode>si2): Ditto.
3982
3983 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
3984
3985         * lower-subreg.c: Include except.h.
3986         (decompose_multiword_subregs): Verify that the only control flow
3987         insns we can split are loads to multi-words pseudos.
3988         Handle breaking such blocks after splitting, instead of calling
3989         find_many_sub_basic_blocks.
3990
3991         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
3992         on the new basic block.  Add a lengthy comment explaining why we
3993         thought this was necessary.
3994         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
3995
3996 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
3997
3998         PR c++/30924
3999         * tree.c (walk_type_fields): Recurse into the element type of
4000         ARRAY_TYPEs if there is a pointer set.
4001
4002 2007-03-10  Dirk Mueller  <dmueller@suse.de>
4003
4004         * c-common.c (warn_logical_operator): Fix condition.
4005
4006 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
4007
4008         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
4009         quotation mark.
4010         * config/darwin.c (machopic_select_section): Remove superfluous
4011         argument in call to categorize_decl_for_section.  Remove unused
4012         variable shlib.
4013
4014 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
4015
4016         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
4017         defined.
4018         * configure: Regenerate.
4019
4020 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
4021
4022         PR target/31101
4023         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
4024         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
4025         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
4026         Add LABEL_NUSES to emitted label.
4027         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
4028         branch probability value to emitted jump insn.
4029         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
4030         Do not check life information and do not re-arrange input operands
4031         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
4032
4033 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4034
4035         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
4036         the change of decode_asm_operands.
4037
4038 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4039
4040         * mode-switching.c (create_pre_exit): Skip blockage insn.
4041
4042 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
4043
4044         * tree-pass.h (TODO_update_smt_usage): Remove.
4045         Update all users.
4046         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
4047         argument SOME.
4048         Update all users.
4049
4050 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4051
4052         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
4053         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
4054         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
4055         SOM target.
4056
4057 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
4058
4059         * gcc.c: Document %{, in big comment at top.
4060         (input_suffix_matches): Remove special handling for .s and
4061         .S.
4062         (input_spec_matches): New.
4063         (handle_braces): Handle %{,.
4064         (validate_switches): ',' indicates a value which is not a switch.
4065         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
4066         to detect assembler input.
4067         * config/i386/sol2.h (CPP_SPEC): Likewise.
4068         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
4069         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
4070         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
4071         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
4072         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
4073         -m64 causes deployment target to default to 10.5.
4074         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
4075
4076 2007-03-09  Richard Henderson  <rth@redhat.com>
4077
4078         PR target/26090
4079         * target.h (targetm.asm.out.reloc_rw_mask): New.
4080         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
4081         (TARGET_ASM_OUT): Use it.
4082         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
4083         * varasm.c (categorize_decl_for_section): Remove shlib argument;
4084         use the new reloc_rw_mask target hook instead.
4085         (default_section_type_flags_1): Merge into...
4086         (default_section_type_flags): ... here.
4087         (decl_readonly_section_1): Merge into...
4088         (decl_readonly_section): ... here.
4089         (default_elf_select_section_1): Merge into...
4090         (default_elf_select_section): ... here.
4091         (default_unique_section_1): Merge into...
4092         (default_unique_section): ... here.
4093         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
4094         (default_select_rtx_section): Use it.
4095         (default_elf_select_rtx_section): Likewise.
4096         * output.h: Update to match.
4097         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
4098         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
4099         (TARGET_ASM_RELOC_RW_MASK): New.
4100         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
4101         to categorize_decl_for_section.
4102         (x86_64_elf_unique_section): Likewise.
4103         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
4104         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
4105         (TARGET_ASM_RELOC_RW_MASK): New.
4106         * config/ia64/ia64.c (ia64_rwreloc_select_section,
4107         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
4108         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
4109         (TARGET_RWRELOC): Remove.
4110         (ia64_section_type_flags): Adjust call to default_section_type_flags.
4111         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4112         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
4113         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
4114         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
4115         (rs6000_xcoff_select_section): Use decl_readonly_section.
4116         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
4117         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4118         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
4119         (TARGET_SECTION_TYPE_FLAGS): Remove.
4120         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
4121
4122 2007-03-09  Roger Sayle  <roger@eyesopen.com>
4123
4124         * fold-const.c (fold_comparison): Remove compile-time evaluation of
4125         complex constant equality/inequality comparisons for here.
4126         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
4127         known at compile-time or can be simplified to a scalar comparison.
4128         (fold_relational_const): Move compile-time evaluation of complex
4129         constant equality/inequality comparisons to here.
4130
4131 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4132
4133         PR rtl-optimization/30643
4134         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
4135         dest_addr_elt.
4136         (fold_rtx): Recurse, like before 2006-11-03.
4137
4138 2007-03-09  DJ Delorie  <dj@redhat.com>
4139
4140         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
4141         m32c-pragma.o.
4142
4143 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
4144
4145         PR tree-optimization/30375
4146         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
4147         LHS of statements is not the same.
4148         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
4149
4150 2007-03-09  Chao-ying Fu  <fu@mips.com>
4151
4152         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
4153         REV 2.
4154         * doc/invoke.texi (-mdspr2): Document new option.
4155         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
4156         New unspec for DSP REV 2.
4157         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
4158         these instructions are extended in DSP REV 2.
4159         (mips-dspr2.md): Include.
4160         * config/mips/mips.opt (mdspr2): New option.
4161         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
4162         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
4163         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
4164         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
4165         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
4166         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
4167         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
4168         and 2 builtins.
4169         (bdesc_map): Add one field of unsupported_target_flags.
4170         (bdesc_arrays):  Update entries to have extra fields.  Add
4171         dsp_32only_bdesc.
4172         (mips_init_builtins): Initialize new function types.
4173         Check unsupported_target_fileds to filter out builtins.
4174         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
4175         TARGET_DSPR2.
4176         (ASM_SPEC): Pass mdspr2 to the assembler.
4177         * config/mips/mips-dspr2.md: New file.
4178
4179 2007-03-09  Sa Liu  <saliu@de.ibm.com>
4180
4181         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
4182
4183 2007-03-09  Ian Lance Taylor  <iant@google.com>
4184
4185         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
4186         argument) like -Wstrict-overflow=2.
4187         * doc/invoke.texi (Warning Options): Update documentation.
4188
4189 2007-03-09  Dirk Mueller  <dmueller@suse.de>
4190
4191         PR c++/17946
4192         * doc/invoke.texi (-Wlogical-op): Document.
4193         * common.opt (-Wlogical-op): New.
4194         * c-common.h (warn_logical_operator): Declare.
4195         * c-common.c (warn_logical_operator): Define.
4196         * c-typeck.c (parser_build_binary_op): Call
4197         warn_logical_operator.
4198
4199 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4200
4201         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
4202         * final.c (final_scan_insn): Test for non-"" file name.
4203
4204 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
4205
4206         * doc/loop.texi: Document the Omega linear constraints solver.
4207         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
4208         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
4209         omega-hash-table-size, omega-max-keys, and
4210         omega-eliminate-redundant-constraints.
4211         * tree-pass.h (pass_check_data_deps): Declared.
4212         * omega.c: New.
4213         * omega.h: New.
4214         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
4215         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
4216         pass_check_data_deps): New.
4217         * tree-data-ref.c (init_data_ref): Remove declaration.
4218         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
4219         (analyze_array): Renamed init_array_ref, move up initializations.
4220         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
4221         Removed arguments that are set to NULL.
4222         (analyze_indirect_ref): Correct indentation, correct call to
4223         init_pointer_ref.
4224         (object_analysis): Call init_array_ref instead of analyze_array.
4225         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
4226         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
4227         of DR_ACCESS_FNS_ADDR.
4228         (init_omega_eq_with_af, omega_extract_distance_vectors,
4229         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
4230         ddr_consistent_p): New.
4231         (compute_affine_dependence): Check consistency of ddrs when
4232         flag_check_data_deps is passed.
4233         (analyze_all_data_dependences): Uncomment.
4234         (tree_check_data_deps): New.
4235         * tree-data-ref.h: Include omega.h.
4236         (DR_ACCESS_FNS_ADDR): Removed.
4237         (data_dependence_relation): Add inner_loop.
4238         (DDR_INNER_LOOP): New.
4239         * common.opt (fcheck-data-deps): New.
4240         * tree-flow.h (tree_check_data_deps): Declare.
4241         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
4242         (OBJS-common): Depend on omega.o.
4243         (omega.o): Define.
4244         * passes.c (pass_check_data_deps): Scheduled.
4245         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
4246         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
4247         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
4248         PARAM_VECT_MAX_VERSION_CHECKS,
4249         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
4250
4251 2007-03-09  Richard Guenther  <rguenther@suse.de>
4252
4253         PR tree-optimization/30904
4254         PR middle-end/31058
4255         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
4256         the same way as *_DIV_EXPR.
4257
4258 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4259
4260         * recog.c (decode_asm_operands): No mixed declarations and code.
4261
4262 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4263
4264         * rtl.def (ASM_INPUT): Add location.
4265         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
4266         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
4267         (decode_asm_operands): Add loc operand.
4268         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
4269         * stmt.c (expand_asm): Rename to...
4270         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
4271         gen_rtx_ASM_INPUT_loc.
4272         (expand_asm_expr): Adjust.
4273         * recog.c (decode_asm_operands): Add loc operand.
4274         (check_asm_operands, extract_insn): Adjust.
4275         * reload1.c (maybe_fix_stack_asms): Likewise.
4276         * final.c (asm_insn_count): Likewise.
4277         (final_scan_insn): Output # line before and after asm.
4278
4279 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
4280
4281         * tree-ssa-structalias.c (variable_info): Remove
4282         finished_solution.
4283         (new_var_info): Ditto.
4284         (shared_bitmap_info_t): New structure.
4285         (shared_bitmap_table): New variable.
4286         (shared_bitmap_hash): New function.
4287         (shared_bitmap_eq): Ditto
4288         (shared_bitmap_lookup): Ditto.
4289         (shared_bitmap_add): Ditto.
4290         (merge_smts_into): Change to take bitmap directly.
4291         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
4292         (init_alias_vars): Init shared bitmap hashtable.
4293         (delete_points_to_sets): Delete shared bitmap hashtable.
4294         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
4295         is_aliased removal as a change that was still necessary was
4296         deleted.
4297
4298 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
4299
4300         * config/i386/i386.h (override_options): Conditionally disable
4301         x86_sahf for 64bit targets only.
4302
4303 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4304
4305         PR C/31072
4306         * c-decl.c (merge_decls): Don't call make_var_volatile.
4307         * varasm.c (make_var_volatile): Remove.
4308         * output.h (make_var_volatile): Remove.
4309
4310 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
4311
4312         PR tree-optimization/31085
4313         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
4314
4315 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4316
4317         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
4318         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
4319         ATTR_CONST_NOTHROW_LIST.
4320
4321         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4322         FIX_TRUNC_EXPR.
4323
4324 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
4325
4326         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
4327
4328 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
4329
4330         PR 31013
4331         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
4332         is declared.
4333         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
4334         passed, use shared libgcc.
4335
4336 2007-03-08  Roger Sayle  <roger@eyesopen.com>
4337
4338         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
4339         instead of calling build2 with a GIMPLE_MODIFY_STMT.
4340         (honor_protect_cleanup_actions, lower_try_finally_switch):
4341         Likewise.
4342         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
4343         ifc_temp_var): Likewise.
4344         * tree-inline.c (setup_one_parameter): Likewise.
4345         * tree-mudflap.c (mf_decl_cache_locals,
4346         mf_build_check_statement_for): Likewise.
4347         * tree-nested.c (init_tmp_var, save_tmp_var,
4348         finalize_nesting_tree_1): Likewise.
4349         * tree-outof-ssa.c (insert_copy_on_edge,
4350         insert_backedge_copies): Likewise.
4351         * tree-profile.c (tree_gen_edge_profiler,
4352         tree_gen_ic_profiler): Likewise.
4353         * tree-scalar-evolution.c (scev_const_prop): Likewise.
4354         * tree-sra.c (sra_build_assignment): Likewise.
4355         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
4356         * tree-ssa-math-opts.c (insert_reciprocals,
4357         execute_cse_sincos_1): Likewise.
4358         * tree-tailcall.c (adjust_accumulator_values,
4359         adjust_return_value): Likewise.
4360         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
4361         * tree-vect-transform.c (vect_create_data_ref_ptr,
4362         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
4363         vect_create_epilog_for_reduction, vectorizable_reduction,
4364         vectorizable_call, vectorizable_conversion,
4365         vectorizable_assignment, vectorizable_operation,
4366         vectorizable_type_demotion, vect_gen_widened_results_half,
4367         vect_permute_store_chain, vectorizable_store,
4368         vect_setup_realignment, vect_permute_load_chain,
4369         vectorizable_load, vectorizable_condition,
4370         vect_create_cond_for_align_checks): Likewise.
4371         * tree-vrp.c (build_assert_expr_for): Likewise.
4372
4373 2007-03-08  Ian Lance Taylor  <iant@google.com>
4374
4375         * tree-vrp.c: Include "intl.h".
4376         (usable_range_p): New static function.
4377         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
4378         overflowed values, juts set *strict_overflow_p.
4379         (compare_values): Only return -2 if one of the operands is not a
4380         constant.
4381         (compare_ranges): Call usable_range_p.
4382         (compare_range_with_value): Likewise.
4383         (vrp_evaluate_conditional_warnv): Rename from
4384         vrp_evaluate_conditional.  Make static.  Change all callers.
4385         (vrp_evaluate_conditional): New function.
4386         (simplify_div_or_mod_using_ranges): Issue warning about reliance
4387         on signed overflow.
4388         (simplify_abs_using_ranges): Likewise.
4389         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
4390         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
4391         within_stmt parameter.
4392         * tree-ssa-propagate.c (fold_predicate_in): Update call to
4393         vrp_evaluate_conditional.
4394         * tree-ssa-threadedge.c
4395         (record_temporary_equivalences_from_stmts_at_dest): Change
4396         simplify parameter to take a second tree parameter.
4397         (simplify_control_stmt_condition): Likewise.
4398         (thread_across_edge): Likewise.
4399         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
4400         (thread_across_edge): Likewise.
4401         * Makefile.in (tree-vrp.o): Depend upon intl.h.
4402
4403 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
4404
4405         * config/i386/i386.h (TARGET_SAHF): New define.
4406         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
4407         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
4408         (x86_sahf): New global variable.
4409         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
4410         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
4411         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
4412         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
4413         for 64-bit.
4414         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
4415         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
4416         when expanding fcomi/sahf based tests.
4417         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
4418         expanding sahf based alternative. Emit sahf based sequence when
4419         optimizing for code size.
4420         * config/i386/i386.md (x86_sahf_1): Do not disable for
4421         TARGET_64BIT, enable for TARGET_SAHF.
4422
4423 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
4424
4425         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
4426         spurious whitespace from error message.
4427
4428 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
4429
4430         PR c++/30852
4431         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
4432
4433 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
4434
4435         * c-decl.c (grokdeclarator): Disable warnings for anonymous
4436         bitfields.
4437         * tree-sra.c (instantiate_element): Propagate disabled warnings
4438         from the element itself to the created variable.
4439
4440 2007-03-07  Richard Henderson  <rth@redhat.com>
4441
4442         PR target/30848
4443         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
4444         silently fix up the stack in the case of a missing register.
4445
4446 2007-03-07  Paul Brook  <paul@codesourcery.com>
4447
4448         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
4449
4450 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
4451
4452         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
4453         New.
4454         (phase1_vrs): Use them.
4455         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
4456         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
4457         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
4458         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
4459         __gnu_Unwind_Restore_WMMXC if required.
4460         (_Unwind_VRS_Pop): Implement iWMMXt support.
4461         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
4462         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
4463         gnu_Unwind_Save_WMMXC): Define.
4464
4465 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
4466
4467         * config/vxworks.h (vxworks_override_options): Declare.
4468         (VXWORKS_OVERRIDE_OPTIONS): Use it.
4469         * config/vxworks.c: Include target.h and toplev.h.
4470         (vxworks_override_options): New function.
4471         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
4472
4473 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
4474
4475         * config/s390/s390.c (override_options): Don't emit an error when
4476         -mstack-size is used without providing -mstack-guard.
4477         (s390_emit_prologue): Choose stack_guard value automatically if not
4478         provided via command line.
4479         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
4480
4481 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
4482
4483         * config/i386/i386.c (output_set_got): Add a GOT initialization
4484         sequence for VxWorks PIC.
4485         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
4486         around labels as well as symbols.  Use gotoff_operand instead
4487         of local_symbolic_operand.
4488         (legitimize_pic_address): Use gotoff_operand instead of
4489         local_symbolic_operand.  Use @GOT accesses for labels as
4490         well as symbols.
4491         (ix86_output_addr_diff_elt): Use PC-relative rather than
4492         GP-relative offsets for VxWorks PIC.
4493         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
4494         no_new_pseudos.  Check whether the returned register is op0.
4495         * config/i386/i386.md (tablejump): Use PC-relative rather than
4496         GP-relative offsets for VxWorks PIC.
4497         * config/i386/predicates.md (gotoff_operand): New predicate.
4498
4499 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4500
4501         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
4502         before defining.
4503         * config/vxworks-dummy.h: New file.
4504         * config/i386/i386.h: Include it.
4505
4506 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
4507
4508         * dwarf2out.c (is_inlined_entry_point): New
4509         (add_high_low_attributes): Emit DW_AT_entry_pc along with
4510         DW_AT_ranges if the first subblock is the entry point.
4511
4512 2007-03-06  David Daney  <ddaney@avtrex.com>
4513
4514         * doc/install.texi (mips-*-*): Change recommended binutils
4515         version.
4516
4517 2007-03-06  Anatoly Sokolov <aesok@post.ru>
4518
4519         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
4520         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
4521         devices.
4522         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4523         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4524
4525 2007-03-06  Jan Hubicka  <jh@suse.cz>
4526
4527         * errors.h (warning, error, fatal, internal_error): Mark as cold.
4528         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
4529         are hot.
4530         (probably_cold_bb_p): Cold functions are cold.
4531         (probably_never_executed_bb_p): Cold functions are cold.
4532         (tree_bb_level_predictions): Predict calls to cold functions as not
4533         taken.
4534         (compute_function_frequency): Check hot/cold attributes.
4535         * function.h (function_frequency): Update comments.
4536         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
4537         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
4538         (c_common_att): Add cold and hot.
4539
4540         * doc/extend.texi (hot,cold attributes): Document.
4541
4542 2007-03-06  Andrew Haley  <aph@redhat.com>
4543
4544         * function.c (expand_function_end): Move blockage to just after we
4545         emit the label for the naked return from the function.
4546
4547 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4548
4549         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
4550         before redefining.
4551
4552 2007-03-06  Jan Hubicka  <jh@suse.cz>
4553
4554         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
4555         loaded for constant large models.  Non-large 64bit PIC can do.
4556         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
4557         * cmodel.h: Add LARGE PIC.
4558         * i386.md (UNSPEC_PLTOFF): New.
4559         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
4560         needed.
4561         (*call_1_rex64): Disable for large models.
4562         (*call_1_rex64_large): New.
4563         (*call_value_1_rex64): Disable for large models.
4564         (*call_value_1_rex64_large): New.
4565         (set_rip_rex4): New.
4566         (set_got_offset_rex64): New.
4567         * predicates.md (constant_call_address_operand): For large model
4568         constant calls are not possible.
4569         * i386-protos.h (construct_plt_address): Declare.
4570         * i386.c (override_options): Accept large models.
4571         (ix86_expand_prologue): Expand large PIC GOT pointer load.
4572         (legitimate_constant_p): Add new UNSPECs.
4573         (legitimate_pic_operand_p): Likewise.
4574         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
4575         (legitimize_pic_address): Do easy RIP relative way for TLS only for
4576         non-large model.
4577         (output_pic_addr_const): Add PLTOFF.
4578         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
4579         (ix86_expand_move): Legitimize pic address when in PIC mode.
4580         (construct_plt_address): New function.
4581         (ix86_expand_call): Offload the address to register and use GOT pointer
4582         for large model.
4583         * invoke.texi (mcmodel=large): Update documentation.
4584
4585 2007-03-06  Richard Henderson  <rth@redhat.com>
4586
4587         * config/i386/i386.c (x86_use_leave, x86_push_memory,
4588         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
4589         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
4590         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
4591         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
4592         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
4593         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
4594         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
4595         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
4596         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4597         x86_partial_reg_dependency, x86_memory_mismatch_stall,
4598         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
4599         x86_sse_partial_reg_dependency, x86_sse_split_regs,
4600         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
4601         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
4602         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
4603         x86_schedule, x86_use_bt, x86_pad_returns,
4604         x86_use_xchgb): Merge into ...
4605         (ix86_tune_features): ... here.  New array.
4606         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
4607         x86_bswap): Merge into ...
4608         (ix86_arch_features): ... here.  New array.
4609         (x86_3dnow_a): Remove.
4610         (x86_accumulate_outgoing_args): Make static.
4611         (x86_arch_always_fancy_math_387): Make static.
4612         (ix86_tune_mask, ix86_arch_mask): Move ...
4613         (override_options): ... to local variables here.  Apply the
4614         appropriate mask to each element of ix86_arch_features and
4615         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
4616         as were done in the old macros.
4617         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
4618         * config/i386/i386.h (x86_use_leave, x86_push_memory,
4619         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
4620         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
4621         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
4622         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
4623         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
4624         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
4625         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
4626         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
4627         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
4628         x86_partial_reg_dependency, x86_memory_mismatch_stall,
4629         x86_accumulate_outgoing_args, x86_prologue_using_move,
4630         x86_epilogue_using_move, x86_decompose_lea,
4631         x86_arch_always_fancy_math_387, x86_shift1,
4632         x86_sse_partial_reg_dependency, x86_sse_split_regs,
4633         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
4634         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
4635         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
4636         x86_use_incdec, x86_pad_returns, x86_bswap,
4637         x86_partial_flag_reg_stall): Remove.
4638         (enum ix86_tune_indices): New.
4639         (ix86_tune_features): New.
4640         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
4641         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
4642         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
4643         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
4644         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
4645         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
4646         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
4647         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
4648         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
4649         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
4650         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
4651         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
4652         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
4653         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
4654         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
4655         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
4656         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
4657         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
4658         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
4659         TARGET_EXT_80387_CONSTANTS): Use it.
4660         (enum ix86_arch_indices): New.
4661         (ix86_arch_features): New.
4662         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
4663         TARGET_BSWAP): Use it.
4664         (ix86_tune_mask, ix86_arch_mask): Remove.
4665
4666 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
4667
4668         PR bootstrap/31020
4669         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
4670         Define using $${sysroot_headers_suffix}.
4671         * configure: Regenerate.
4672         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
4673         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
4674         defined.
4675         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
4676         * gcc.c (print_sysroot_headers_suffix): New.
4677         (option_map): Include --print-sysroot-headers-suffix.
4678         (display_help): Mention -print-sysroot-headers-suffix.
4679         (process_command): Handle -print-sysroot-headers-suffix.
4680         (do_spec_1): Append multilib directory to include-fixed path if
4681         sysroot suffixes in use.
4682         (main): Handle -print-sysroot-headers-suffix.
4683         * Makefile.in (start.encap): Don't depend on xlimits.h
4684         (xlimits.h): Remove.
4685         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
4686         limits.h for each multilib in fixinc_list.
4687         (fixinc_list, s-fixinc_list): New.
4688         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
4689         generate them for each multilib in fixinc_list.
4690         (stmp-fixproto): Use include-fixed.  Run fixproto for each
4691         multilib in fixinc_list.
4692         (mostlyclean): Don't remove xlimits.h.
4693         (clean): Remove include-fixed.
4694         (real-install-headers-tar, real-install-headers-cpio,
4695         real-install-headers-cp): Don't copy include, only include-fixed.
4696         (install-mkheaders): Depend on fixinc_list.  Don't depend on
4697         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
4698         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
4699         SYSTEM_HEADER_DIR setting in mkheaders.conf.
4700
4701 2007-03-06  Jan Hubicka  <jh@suse.cz>
4702
4703         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
4704         NANs easilly.
4705
4706 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4707
4708         * configure.ac: Allow tm_file to contain build-directory files.
4709         * configure: Regenerate.
4710         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
4711         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
4712         * config/m68k/print-sysroot-suffix.sh: New file.
4713
4714 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4715
4716         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
4717         of pic_offset_table_rtx if reload_completed.
4718         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
4719         PIC_OFFSET_TABLE_REGNUM.
4720         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
4721         return true.
4722         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
4723         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
4724
4725 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4726
4727         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
4728         functions that call eh_return.
4729
4730 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4731
4732         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
4733         functions that need a constant pool.
4734
4735 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4736
4737         PR target/28181
4738         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
4739         (m68k_preferred_reload_class): Likewise.
4740         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
4741         (SECONDARY_RELOAD_CLASS): Define.
4742         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
4743         (LIMIT_RELOAD_CLASS): Delete.
4744         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
4745         registers from storing bytes.
4746         (m68k_secondary_reload_class): New function.
4747         (m68k_preferred_reload_class): Likewise.
4748
4749 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4750
4751         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
4752         leaf functions.
4753         (m68k_expand_prologue): Likewise.
4754
4755 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4756
4757         * config/m68k/m68k-protos.h (output_sibcall): Declare.
4758         (mips_expand_epilogue): Add a bool parameter.
4759         (m68k_legitimize_sibcall_address): Declare.
4760         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
4761         (m68k_expand_epilogue): Add a parameter to select between sibling
4762         and normal epilogues.  Only generate a return for the latter.
4763         (m68k_ok_for_sibcall_p): New function.
4764         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
4765         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
4766         (sibcall_value, *sibcall_value): Likewise.
4767         (*call, *call_value): Require !SIBLING_CALL_P.
4768         (epilogue): Update call to m68k_expand_epilogue.
4769         (sibcall_epilogue): New pattern.
4770         * config/m68k/predicates.md (const_call_operand): Say that this
4771         predicate applies to sibling calls too.
4772         (sibcall_operand): New predicate.
4773
4774 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4775
4776         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
4777         alternatives as movsi_cf.
4778         (movsf_cf_hard): Add commentary.
4779
4780 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
4781             Richard Sandiford  <richard@codesourcery.com>
4782
4783         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
4784         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
4785         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
4786         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
4787         as being live on exit from an interrupt function.
4788         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
4789         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
4790         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
4791         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
4792         (m68k_interrupt_function_p): Globalize.
4793         (m68k_compute_frame_layout): Remove reverse mask code.
4794         (m68k_emit_movem, m68k_set_frame_related): New functions.
4795         (m68k_output_function_prologue): Delete in favor of...
4796         (m68k_expand_prologue): ...this new function.
4797         (m68k_output_function_epilogue): Delete in favor of...
4798         (m68k_expand_epilogue): ...this new function.
4799         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
4800         functions.
4801         (print_operand): Handle %?.
4802         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
4803         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
4804         (prologue, epilogue): New patterns.
4805         (return): Turn into a define_expand.
4806         (*return): New pattern, derived from old "return" pattern.  Use rte
4807         rather than rts for interrupt functions.  Only use rtd if the pop
4808         count is nonzero.
4809         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
4810         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
4811         (link, *link, unlink, *unlink, load_got): Likewise.
4812
4813 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4814
4815         PR target/23482
4816         PR target/17114
4817         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
4818         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
4819         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
4820         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
4821         and m68k_matches_u_p.
4822         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
4823         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
4824         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
4825         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
4826         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
4827         (REG_STRICT_P): New macro.
4828         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
4829         PCREL_GENERAL_OPERAND_OK.
4830         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
4831         m68k_legitimate_base_reg_p.
4832         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
4833         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
4834         (PIC_CASE_VECTOR_ADDRESS): Update comment.
4835         * config/m68k/m68k.c (m68k_address): New structure.
4836         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
4837         (m68k_decompose_index, m68k_legitimate_constant_address_p)
4838         (m68k_jump_table_ref_p, m68k_decompose_address)
4839         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
4840         (m68k_matches_u_p): New functions.
4841         (print_operand_address): Rewrite to use m68k_decompose_index.
4842
4843 2007-03-05  David Taylor  <dtaylor@emc.com>
4844
4845         * gcc.c: Correct copyright date in --version output.
4846
4847 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4848
4849         * pa.md: In unamed move patterns, disparge copies between general
4850         and floating point registers using '?' modifier.  Don't include 'f'
4851         constraint for register preferences in DImode, SImode, HImode and
4852         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
4853         Remove constraints for copies between general and floating registers
4854         in soft-float DFmode pattern.
4855         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
4856         floating register.
4857         (movsf): Likewise.
4858
4859 2007-03-05  Mike Stump  <mrs@apple.com>
4860
4861         * c-common.c (targetcm): Add.
4862         * c-opts.c (c_common_handle_option): Handle language specific
4863         target options.
4864         * opts.c (handle_option): Verify language for target options, if
4865         any are given.
4866         * opth-gen.awk: Add CL_LANG_ALL.
4867         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
4868         (TARGETCM_INITIALIZER): Add.
4869         * target.h (struct gcc_targetcm): Add.
4870         (targetcm): Add.
4871         * targhooks.c (default_handle_c_option): Add.
4872         * targhooks.h (default_handle_c_option): Add.
4873         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
4874
4875         * config/darwin.opt (iframework): Add.
4876         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
4877         * config/darwin-c.c (handle_c_option): Add.
4878         (TARGET_HANDLE_C_OPTION): Add.
4879         (targetcm): Add.
4880         * doc/invoke.texi (Darwin Options): Add -iframework.
4881
4882 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4883
4884         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
4885         conversion.
4886
4887 2007-03-05  Ian Lance Taylor  <iant@google.com>
4888
4889         * c.opt (fgnu89-inline): New option.
4890         * c-opts.c (c_common_post_options): Set default value for
4891         flag_gnu89_inline.
4892         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
4893         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
4894         inline functions.
4895         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
4896         (grokdeclarator, start_function): Likewise.
4897         * c-cppbuiltin.c (c_cpp_builtins): Define either
4898         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
4899         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
4900         (C Dialect Options): Document -fgnu89-inline.
4901         * doc/extend.texi (Function Attributes): Explain what the
4902         gnu_inline attribute does.
4903         * doc/cpp.texi (Common Predefined Macros): Document
4904         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
4905
4906 2007-03-05  Ian Lance Taylor  <iant@google.com>
4907
4908         PR tree-optimization/31034
4909         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
4910         half-range if the other side is an overflow infinity.
4911
4912 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4913
4914         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
4915         (bfin*-linux-uclibc*): New configuration.
4916         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
4917         defining.
4918         * config/bfin/linux.h: New file.
4919         * config/bfin/libgcc-bfin.ver: New file.
4920         * config/bfin/t-bfin-uclinux: New file.
4921         * config/bfin/t-bfin-linux: New file.
4922         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
4923         (TARGET_OS_CPP_BUILTINS): New macro.
4924
4925 2007-03-05  Richard Guenther  <rguenther@suse.de>
4926
4927         * fold-const.c (fold_binary): Remove duplicate folding
4928         of comparison of non-null ADDR_EXPR against null.
4929
4930 2007-03-05  Richard Guenther  <rguenther@suse.de>
4931             Dorit Nuzman  <dorit@il.ibm.com>
4932
4933         PR tree-optimization/26420
4934         * tree-vectorizer.c (vectorize_loops): Bail out early if there
4935         are no loops in the function.  Only print the number of
4936         vectorized loops if it is greater than zero or we are supposed
4937         to print information about unvectorized loops.
4938
4939 2007-03-05  Revital Eres  <eres@il.ibm.com>
4940
4941         * gcc.dg/var-expand1.c: New test.
4942         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
4943         when an accumulator is expanded.
4944
4945 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4946
4947         PR other/30465
4948         * c-common.c (convert_and_check): Don't give warnings for
4949         conversion if 'expr' already overflowed.
4950
4951 2007-03-04  Roger Sayle  <roger@eyesopen.com>
4952
4953         PR middle-end/30744
4954         * fold-const.c (fold_comparison): Enforce type consistency when
4955         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
4956
4957 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
4958
4959         * tree-ssa-address.c (create_mem_ref): Do not put an expression
4960         containing a cast to the base of TARGET_MEM_REF.
4961
4962 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
4963
4964         * tree.c (tree_contains_struct_check_failed): Remove spurious
4965         whitespace from error message.
4966
4967 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
4968
4969         PR target/30406
4970         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
4971         instead of precision.
4972
4973 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
4974             Nathan Sidwell  <nathan@codesourcery.com>
4975
4976         * emit-rtl.c (find_auto_inc): New.
4977         (try_split): recreate REG_INC notes,
4978         Use regular for loops rather than whiles.
4979
4980 2007-03-03  Andreas Schwab  <schwab@suse.de>
4981
4982         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
4983         * configure: Regenerate.
4984
4985 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4986
4987         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
4988         flag_rounding_math, not flag_unsafe_math_optimizations.
4989
4990         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
4991         fold_build2.
4992         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
4993         alpha_fold_vector_minmax): Likewise.
4994         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
4995         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
4996
4997 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
4998
4999         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
5000         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
5001         if the lhs has side-effects.
5002         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
5003
5004 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5005
5006         * config/i386/i386.h (TUNEMASK): Remove define.
5007         (ARCHMASK): Remove define.
5008         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
5009          Use ix86_arch_mask variable instead of ARCHMASK.
5010         * config/i386/i386.c (override_options): Ditto.
5011         (standard_80387_constant_p): Ditto.
5012
5013 2007-03-02  Ian Lance Taylor  <iant@google.com>
5014
5015         Used signed infinities in VRP.
5016         * tree-vrp.c (uses_overflow_infinity): New static function.
5017         (supports_overflow_infinity): New static function.
5018         (make_overflow_infinity): New static function.
5019         (negative_overflow_infinity): New static function.
5020         (positive_overflow_infinity): New static function.
5021         (is_negative_overflow_infinity): New static function.
5022         (is_positive_overflow_infinity): New static function.
5023         (is_overflow_infinity): New static function.
5024         (overflow_infinity_range_p): New static function.
5025         (compare_values_warnv): New function split out of compare_values.
5026         (compare_value): Call it.
5027         (set_value_range_to_nonnegative): Add overflow_infinity
5028         parameter.  Change caller.
5029         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
5030         Change callers.
5031         (vrp_expr_computes_nonzero): Likewise.
5032         (compare_ranges, compare_range_with_value): Likewise.
5033         (compare_name_with_value, compare_names): Likewise.
5034         (vrp_evaluate_conditional): Likewise.
5035         (set_value_range): Handle infinity
5036         (vrp_operand_equal_p, operand_less_p): Likewise.
5037         (extract_range_from_assert): Likewise.
5038         (vrp_int_const_binop): Likewise.
5039         (extract_range_from_binary_expr): Likewise.
5040         (extract_range_from_unary_expr): Likewise.
5041         (extract_range_from_comparison): Likewise.
5042         (extract_range_from_expr): Likewise.
5043         (dump_value_range): Likewise.
5044         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
5045         (test_for_singularity): Likewise.
5046         (vrp_int_const_binop): Remove inline qualifier.
5047         (adjust_range_with_scev): Add comment.
5048         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5049
5050 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
5051
5052         * tree-ssa-structalias.c (could_have_pointers): Tidy.
5053         (get_constraint_for): Likewise.
5054         (do_structure_copy): Likewise.
5055         (find_func_aliases): Fix references to MODIFY_EXPR.
5056         (intra_create_variable_infos): Tidy.
5057         * tree-ssa-operands.c (add_virtual_operand): Add argument
5058         IS_CALL_SITE.
5059         When adding members of alias sets, if IS_CALL_SITE is true and
5060         the symbol is not call-clobbered, skip it.
5061         Adjust all callers.
5062
5063 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5064
5065         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
5066         entry by means of emit_insn_at_entry.
5067
5068 2007-03-02  Richard Henderson  <rth@redhat.com>
5069
5070         * expr.h (promoted_input_arg): Remove decl.
5071         * function.c (promoted_input_arg): Merge into ...
5072         * combine.c (setup_incoming_promotions): ... only caller.
5073         Rearrange to avoid double loop.
5074
5075 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5076             Peter Bergner  <bergner@vnet.ibm.com>
5077             Janis Johnson  <janis187@us.ibm.com>
5078
5079         * config/rs6000/dfp.md: New file.
5080         * config/rs6000/rs6000.md: Include dfp.md.
5081         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
5082         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
5083         and TDmode decimal float modes in FP registers.
5084         (num_insns_constant): Likewise.
5085         (rs6000_legitimate_offset_address_p): Likewise.
5086         (rs6000_legitimize_address): Likewise.
5087         (rs6000_legitimize_reload_address): Likewise.
5088         (rs6000_legitimate_address): Likewise.
5089         (rs6000_emit_move): Likewise.
5090         (function_arg_boundary): Likewise.
5091         (function_arg_advance): Likewise.
5092         (rs6000_darwin64_record_arg_recurse): Likewise.
5093         (function_arg): Likewise.
5094         (rs6000_gimplify_va_arg): Likewise.
5095         (rs6000_split_multireg_move): Likewise.
5096         (rs6000_output_function_epilogue): Likewise.
5097         (rs6000_output_function_epilogue): Likewise.
5098         (rs6000_register_move_cost): Likewise.
5099         (rs6000_function_value): Likewise.
5100         (rs6000_libcall_value): Likewise.
5101
5102 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5103
5104         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
5105
5106 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5107
5108         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
5109         Use $MULTIDIR to choose between the kernel and RTP headers,
5110         and use $WIND_BASE and $WIND_USR to locate them.
5111
5112 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5113
5114         * config/i386/i386.c (override_options): Put initialization of
5115         ix86_tune_mask and ix86_arch_mask to the correct place.
5116
5117 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5118             Michael Meissner  <michael.meissner@amd.com>
5119
5120         PR target/31019
5121         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
5122         (ARCHMASK): Define.
5123         (TARGET_CMOVE): Use ARCHMASK.
5124         (TARGET_CMPXCHG): Ditto.
5125         (TARGET_CMPXCHG8B): Ditto.
5126         (TARGET_XADD): Ditto.
5127         (TARGET_BSWAP): Ditto.
5128         * config/i386/i386.c (ix86_tune_mask): New global variable.
5129         (ix86_arch_mask): Ditto.
5130         (override_options): Initialize ix86_tune_mask and
5131         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
5132         target_flags.
5133
5134 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5135
5136         PR 30992
5137         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
5138
5139 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
5140
5141         * target.h (init_dwarf_reg_sizes_extra): New target hook.
5142         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
5143         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
5144         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
5145         hook.
5146         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
5147         rs6000_init_dwarf_reg_sizes_extra): New.
5148         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
5149         SPE register high parts.
5150
5151 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
5152
5153         * Makefile.in: Add install-pdf target as
5154         copied from automake v1.10 rules.
5155         * configure.ac: Add install-pdf to target list.
5156         * configure: Regenerate.
5157
5158 2007-03-01  Paul Brook  <paul@codesourcery.com>
5159
5160         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
5161         modes to LDRD for DImode.
5162         (output_move_double): Fixup out of range ldrd/strd.
5163         (vfp_secondary_reload_class): Rename...
5164         (coproc_secondary_reload_class): ... to this.  Add wb argument.
5165         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
5166         coproc_secondary_reload_class for CLASS_IWMMXT.
5167         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
5168         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
5169
5170 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
5171
5172         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
5173         factor by the estimated number of iterations.
5174         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
5175         prefetch latency.
5176
5177         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
5178         decode_caches_intel, detect_caches_intel): New functions.
5179         (host_detect_local_cpu): Use detect_caches_amd and
5180         detect_caches_intel.
5181
5182 2007-03-01  Richard Henderson  <rth@redhat.com>
5183
5184         * expr.c (emit_move_complex_push): Export.
5185         (emit_move_complex_parts): Split out from ...
5186         (emit_move_complex): ... here.
5187         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
5188         * config/i386/i386.md (movcdi): New.
5189
5190 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
5191
5192         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
5193         size of mode1 to check for tieable modes in MMX case.
5194
5195 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
5196
5197         * Makefile.in (rtlanal.o): Depend on tree.h.
5198         * rtl.h (offset_within_section_p, split_const): Declare.
5199         * rtlanal.c: Include tree.h.
5200         (offset_within_block_p): New function, taken from
5201         mips_offset_within_object_p.
5202         (split_const): New function, taken from mips_split_const.
5203         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
5204         Declare.
5205         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
5206         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
5207         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
5208         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
5209         (m68k_illegitimate_symbolic_constant_p): New function.
5210         * config/m68k/m68k.md (movsi): Remove misleading predicates.
5211         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
5212         symbolic constant that might be outside the symbol's section,
5213         move the symbol first and then add the offset.
5214         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
5215         Override.
5216         * config/mips/mips.c (mips_split_const): Delete.
5217         (mips_offset_within_object_p): Delete.
5218         (mips_symbolic_constant_p): Use offset_within_section_p and
5219         split_const instead of mips_offset_within_object_p and
5220         mips_split_const.
5221         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
5222         (mips_legitimize_const_move, print_operand_reloc)
5223         (mips_dangerous_for_la25_p): Use split_const instead of
5224         mips_split_const.
5225
5226 2007-02-28  Eric Christopher  <echristo@apple.com>
5227
5228         * Makefile.in (install-include-dir): Don't rm -rf include.
5229
5230 2007-02-28  Richard Guenther  <rguenther@suse.de>
5231
5232         PR middle-end/30364
5233         * fold-const.c (fold_binary): Do not associate expressions
5234         with more than one variable for integer types that do not wrap.
5235
5236 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
5237
5238         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
5239         Delete, and replace with...
5240         (fold_builtin_call_array): This.  Update callers to use it.
5241         * fold-const.c (fold_build_call_list): Delete, and replace with...
5242         (fold_build_call_array): This.
5243         (fold_build_call_list_initializer): Delete, and replace with...
5244         (fold_build_call_array_initializer): This.
5245         * tree.h: Update declarations to reflect above changes.
5246
5247         * c-typeck.c (build_function_call): Store converted arguments
5248         in a stack-allocated array instead of building a list.
5249         (convert_arguments): Store arguments in the array passed in as an
5250         argument, and return the actual number of arguments.
5251         * c-format.c: (check_function_format): Pass arguments in an
5252         array instead of a list.
5253         * c-common.c (check_function_nonnull): Likewise.
5254         (check_function_sentinel): Likewise.
5255         (check_function_arguments): Likewise.
5256         * c-common.h: Update declarations to reflect above changes.
5257
5258 2007-02-28  Jan Hubicka  <jh@suse.cz>
5259
5260         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
5261         PRED_NEGATIVE_RETURN): Update outcomes.
5262
5263 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
5264
5265         * calls.c (emit_library_call_value_1): Handle partial registers
5266         correctly when building up CALL_INSN_FUNCTION_USAGE.
5267
5268 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5269
5270         * pa/predicates.md (move_src_operand): Allow zero for mode.
5271         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
5272         move pattern.
5273
5274 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
5275
5276         PR target/30970
5277         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
5278         *movv2df_internal): Enable pattern only for valid operand
5279         combinations.
5280         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
5281         tie only 128bit modes. For MMX registers, tie only 64bit modes.
5282
5283 2007-02-27  Mike Stump  <mrs@apple.com>
5284
5285         * config/darwin-crt3.c: Avoid compilation when compiling for a
5286         kext multilib.
5287
5288 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
5289
5290         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
5291         FIXED_INCLUDE_DIR.
5292         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
5293         for fixed headers and limits.h.
5294         (install-include-dir, install-headers-tar, install-headers-cpio,
5295         install-headers-cp, real-install-headers-tar,
5296         real-install-headers-cpio, real-install-headers-cp): Handle
5297         include-fixed as well as include.
5298         (install-mkheaders): Don't install files that go only in include
5299         not include-fixed.
5300         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
5301         from GCC_INCLUDE_DIR.
5302         * gcc.c (process_command): Remove special -BstageN/ handling.
5303         (do_spec_1): Add include-fixed directories.
5304
5305 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5306
5307         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
5308         _smulsi3_highpart.
5309         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
5310         New functions.
5311         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
5312         patterns.
5313
5314 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
5315
5316         * c-common.c (get_priority): Add check for
5317         SUPPORTS_INIT_PRIORITY.
5318
5319 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5320
5321         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
5322
5323         * config/bfin/bfin.c: Include "cfglayout.h".
5324         (MAX_LSETUP_DISTANCE): New macro.
5325         (struct loop_info): New members incoming, incoming_src and
5326         incoming_dest.  Delete member predecessor.
5327         (length_for_loop): New function.
5328         (bfin_optimize_loop): Handle more different loop structures.
5329         (bfin_discover_loop): Rework detection of predecessor blocks by
5330         examining incoming edges.
5331         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
5332         bfin_reorg_loops.
5333         (bfin_reorder_loops): New function.
5334         (bfin_reorg_loops): Use these three new functions.
5335
5336         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
5337         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
5338         (CONSTRAINT_LEN): Add entry for 'q'.
5339         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
5340         Add 'q' constraints.
5341         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
5342         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
5343
5344         * config/bfin/bfin.md (add_with_carry): New pattern.
5345         (s_or_u, su_optab, su_modifier): New code macros/attrs.
5346         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
5347         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
5348         support unsigned multiplies too.  Removed incorrect commutativity from
5349         operand 1 constraint where appropriate.
5350         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
5351         patterns.
5352         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
5353         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
5354         New patterns.
5355         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
5356         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
5357         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
5358         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
5359         usmulhisi_hh_huh): New patterns.
5360
5361         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
5362         lshifthi3): Fix output template to use half reg for operand 2.
5363
5364         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
5365         instead of R2.
5366
5367         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
5368
5369 2007-02-27  Andreas Schwab  <schwab@suse.de>
5370
5371         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
5372
5373 2007-02-27  Jan Hubicka  <jh@suse.cz>
5374
5375         * predict.c (last_basic_block_p): Remove.
5376         (tree_estimate_probability): Update return heuristic for commonized
5377         return blocks.
5378
5379 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5380
5381         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
5382
5383 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5384
5385         * doc/include/gcc-common.texi (versionsubtitle): New macro.
5386         * doc/cpp.texi: Standardize title page.
5387         * doc/cppinternals.texi: Likewise.
5388         * doc/gcc.texi: Standardize title page, remove version number
5389         from copyright page.
5390         * doc/gccint.texi: Likewise.
5391         * doc/install.texi: Standardize title page, add table of
5392         contents.
5393
5394 2007-02-26  Jan Hubicka  <jh@suse.cz>
5395
5396         * predict.def: Set outcomes according to more recent results.
5397         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
5398         Remove dead predictors.
5399         * predict.c (return_prediction): Fix pasto.
5400
5401 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5402
5403         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
5404         change; avoid a memory leak when returning early.
5405
5406 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
5407
5408         * c-decl.c (static_ctors): Move to c-common.c.
5409         (static_dtors): Likewise.
5410         (finish_function): Use c_record_cdtor_fn.
5411         (build_cdtor): Move to c-common.c.
5412         (c_write_global_declarations): Use c_build_cdtor_fns.
5413         * c-common.h (static_ctors): Declare.
5414         (static_dtors): Likewise.
5415         (c_record_cdtor_fn): Likewise.
5416         (c_build_cdtor_fns): Likewise.
5417         * c-common.c (static_ctors): New variable.
5418         (static_dtors): Likewise.
5419         (c_record_cdtor_fn): New function.
5420         (build_cdtor): Move from c-decl.c
5421         (c_build_cdtor_fns): New function.
5422
5423         * output.h (assemble_addr_to_section): Declare.
5424         (get_cdtor_priority_section): Likewise.
5425         * varasm.c (assemble_addr_to_section): New function.
5426         (get_cdtor_priority_section): Likewise.
5427         (default_named_section_asm_out_destructor): Use them.
5428         (destor_dtor_section_asm_out_destructor): Likewise.
5429         (default_named_section_asm_out_constructor): Likewise.
5430         (default_ctor_section_asm_out_constructor): Likewise.
5431         * config.gcc (*-*-vxworks*): Include vxworks.o.
5432         * config/t-vxworks (vxworks.o): New target.
5433         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
5434         (TARGET_ASM_CONSTRUCTOR): Define.
5435         (TARGET_ASM_DESTRUCTOR): Likewise.
5436         (vxworks_asm_out_constructor): Declare.
5437         (vxworks_asm_out_destructor): Likewise.
5438
5439         * c-common.c (get_priority): Check that we have not just an
5440         INTEGER_CST, but an integer constant with integeral type.
5441
5442 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
5443
5444         PR tree-optimization/30938
5445         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
5446         use &dt[nargs-1] instead of &dt[nargs] in the call to
5447         vect_is_simple_use().
5448
5449 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
5450
5451         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
5452         from register elimination as PRE_MODIFY / POST_MODIFY increments.
5453         Do not attempt to handle MEM inside auto-inc expressions.
5454         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
5455         of a register modified by an auto-inc expression.  However, do handle
5456         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
5457         (elimination_effects): Prohibit elimination of a register modified
5458         by an auto-inc expression.  Disable register elimination rules whose
5459         target register is modified by an auto-inc expression with variable
5460         increment.
5461
5462 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
5463
5464         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
5465         off-by-one error.
5466         (array_at_struct_end_p): New function.
5467         (idx_infer_loop_bounds): Use it.
5468         (estimate_numbers_of_iterations_loop): Export.
5469         * predict.c (predict_loops): Use estimated_loop_iterations_int.
5470         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
5471         (tree_estimate_probability): Call record_loop_exits.
5472         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
5473         (estimated_loop_iterations, estimated_loop_iterations_int,
5474         estimated_loop_iterations_tree): New functions.
5475         (analyze_siv_subscript_cst_affine,
5476         compute_overlap_steps_for_affine_1_2,
5477         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
5478         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
5479         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
5480         (PRED_LOOP_ITERATIONS_GUESSED): New.
5481         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
5482         * cfgloop.h (estimate_numbers_of_iterations_loop,
5483         estimated_loop_iterations_int): Declare.
5484
5485 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
5486
5487         * doc/extend.texi: Document optional priority argument to
5488         constructors and destructors.
5489         * tree.c (init_priority_for_decl): Adjust GTY markers.
5490         (init_ttree): Use priority-info hash functions for
5491         init_priority_for_decl.
5492         (tree_map_eq): Rename to ...
5493         (tree_map_base_eq): ... this.
5494         (tree_map_marked_p): Rename to ...
5495         (tree_map_base_marked_p): ... this.
5496         (tree_map_base_hash): New function.
5497         (decl_init_priority_lookup): Rework.
5498         (decl_fini_priority_lookup): New function.
5499         (decl_priority_info): New function.
5500         (decl_init_priority_insert): Use it.
5501         (decl_fini_priority_insert): Likewise.
5502         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
5503         hierarchy.
5504         (decl_restrict_base_insert): Likewise.
5505         (decl_debug_expr_insert): Likewise.
5506         (decl_value_expr_lookup): Likewise.
5507         (decl_value_expr_insert): Likewise.
5508         * tree.h (priority_type): New type.
5509         (decl_init_priority_lookup): Use priority_type.
5510         (decl_fini_priority_lookup): New function.
5511         (decl_init_priority_insert): Use priority_type.
5512         (decl_fini_priority_insert): New function.
5513         (DECL_HAS_INIT_PRIORITY): Tweak comments.
5514         (DECL_INIT_PRIORITY): Likewise.
5515         (SET_DECL_INIT_PRIORITY): Add comment.
5516         (DECL_FINI_PRIORITY): New macro.
5517         (SET_DECL_FINI_PRIORITY): Likewise.
5518         (DEFAULT_INIT_PRIORITY): Document.
5519         (MAX_INIT_PRIORITY): Likewise.
5520         (MAX_RESERVED_INIT_PRIORITY): Likewise.
5521         (tree_map_base): New type.
5522         (tree_map_base_eq): New function.
5523         (tree_map_base_hash): Likewise.
5524         (tree_map_base_marked_p): Likewise.
5525         (tree_map): Inherit from tree_map_base.
5526         (tree_map_eq): Make it a macro.
5527         (tree_map_marked_p): Likewise.
5528         (tree_int_map): Inherit from tree_map_base.
5529         (tree_int_map_eq): Make it a macro.
5530         (tree_int_map_hash): Likewise.
5531         (tree_int_map_marked_p): Likewise.
5532         (tree_priority_map): New type.
5533         (tree_priority_map_eq): New macro.
5534         (tree_priority_map_hash): Likewise.
5535         (tree_priority_map_marked_p): Likewise.
5536         * varasm.c (emults_decl): Adjust for refactoring of tree_map
5537         hierarchy.
5538         (emutls_common_1): Likewise.
5539         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
5540         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
5541         of tree_map hierarchy.
5542         * tree-cfg.c (move_stmt_r): Likewise.
5543         (new_label_mapper): Likewise.
5544         * c-tree.h (c_expand_body): Move to ...
5545         * c-common.h (c_expand_body): ... here.
5546         * c-decl.c (c_expand_body): Move to ...
5547         * c-common.c (c_expand_body): ... here.
5548         (c_common_attribute_table): Allow 1 argument for the constructor
5549         and destructor attributes.
5550         (get_priority): New function.
5551         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
5552         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
5553
5554 2007-02-24  Jan Hubicka  <jh@suse.cz>
5555
5556         PR middle-end/30509
5557         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
5558
5559 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
5560             Jan Hubicka  <jh@suse.cz>
5561
5562         PR target/30778
5563         * i386.c (counter_mode): New function.
5564         (expand_set_or_movmem_via_loop): Use it.
5565         (expand_movmem_epilogue): Likewise; fix pasto.
5566         (ix86_expand_movmem): Do emit guard even for constant counts.
5567         (ix86_expand_setmem): Likewise.
5568
5569 2007-02-25  Nick Clifton  <nickc@redhat.com>
5570
5571         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
5572         (JUMP_TABLES_IN_TEXT_SECTION): Define.
5573
5574 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
5575
5576         PR target/30770
5577         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
5578         count argument with 0x10, not with 0x16.
5579         (expand_setmem_epilogue): Ditto.
5580
5581 2007-02-24  Mike Stump  <mrs@apple.com>
5582
5583         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
5584         symbols.
5585
5586 2007-02-24  Richard Guenther  <rguenther@suse.de>
5587
5588         PR middle-end/30951
5589         * fold-const.c (fold_binary): Fold x +- CST op x for
5590         EQ_EXPR and NE_EXPR.
5591
5592 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5593
5594         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
5595
5596 2007-02-24  Jan Hubicka  <jh@suse.cz>
5597
5598         * cgraphunit.c (decide_is_function_needed): Honor
5599         -fkeep-inline-functions.
5600
5601 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5602
5603         * builtins.c (fold_builtin_modf): New.
5604         (fold_builtin_2): Use it.
5605
5606 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
5607
5608         * loop-iv.c (implies_p): Detect additional cases where A implies B.
5609         (determine_max_iter): Take additional LOOP arg; all callers changed.
5610         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
5611         one using simplifications.
5612         (simplify_using_initial_values): Return if the expression becomes
5613         invalid due to altered regs.
5614
5615 2007-02-23  DJ Delorie  <dj@redhat.com>
5616
5617         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
5618
5619 2007-02-23  Mike Stump  <mrs@apple.com>
5620
5621         * tlink.c (scan_linker_output): Parse linker messages from
5622         darwin9's linker better.
5623
5624 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
5625
5626         PR debug/29614
5627         * varpool.c (varpool_assemble_pending_decls):  Set
5628         varpool_last_needed_node to null.
5629
5630 2007-02-23  DJ Delorie  <dj@redhat.com>
5631
5632         * config/i386/i386.c (ix86_data_alignment): Don't specify an
5633         alignment bigger than the object file can handle.
5634
5635 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
5636
5637         PR target/30825
5638         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
5639         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
5640         (*movsf_1): Penalize MMX moves.
5641
5642 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
5643
5644         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
5645         2^32-1 or more times unless flag_unsafe_loop_optimizations.
5646
5647         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
5648
5649 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5650
5651         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
5652         (fold_builtin_1): Use them.
5653         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
5654         BUILT_IN_SIGNIFICAND.
5655
5656 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
5657
5658         * config/i386/i386.c (bdesc_1arg): Initialize
5659         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
5660         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
5661         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
5662         and IX86_BUILTIN_MOVSLDUP.
5663
5664 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
5665
5666         PR rtl-optimization/30841
5667         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
5668
5669 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5670
5671         * builtins.c (fold_builtin_frexp): New.
5672         (fold_builtin_2): Use it.
5673
5674 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
5675
5676         * doc/invoke.texi (Spec Files): Document getenv spec function.
5677
5678         * gcc.c (getenv_spec_function): New function.
5679         (static_spec_functions): Add it.
5680         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
5681         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
5682         header files.
5683
5684 2007-02-22  Michael Matz  <matz@suse.de
5685
5686         PR c++/29433
5687         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
5688         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
5689
5690 2007-02-22  Ian Lance Taylor  <iant@google.com>
5691
5692         PR debug/30898
5693         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
5694         (mem_loc_descriptor): Call it.
5695
5696 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
5697             Ira Rosen  <irar@il.ibm.com>
5698
5699         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
5700
5701 2007-02-22  Ira Rosen  <irar@il.ibm.com>
5702
5703         PR tree-optimization/30843
5704         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
5705         stores only after all the group is vectorized.
5706
5707 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
5708
5709         PR tree-optimization/30858
5710         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
5711         in the reduction cycle have a single use in the loop.
5712         * tree-vectorizer.h (relevant): Add documentation.
5713
5714 2007-02-20  Mike Stump  <mrs@apple.com>
5715
5716         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
5717         * configure: Regenerate.
5718
5719 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
5720
5721         Change the defaults of some parameters and options.
5722         * config/spu/spu-protos.h (spu_optimization_options): Declare.
5723         * config/spu/spu.c (spu_optimization_options): Add.
5724         (spu_override_options): Change params in spu_optimization_options.
5725         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
5726
5727         Register 127 is only 16 byte aligned when used as a frame pointer.
5728         * config/spu/spu-protos.h (spu_init_expanders): Declare.
5729         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
5730         HARD_FRAME_POINTER_REGNUM.
5731         (spu_legitimate_address):  Use regno_aligned_for_reload.
5732         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
5733         aligned when frame_pointer_needed is true.
5734         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
5735         to 8 bits.
5736         * config/spu/spu.h (INIT_EXPANDERS): Define.
5737
5738         Make sure shift and rotate instructions have valid immediate operands.
5739         * config/spu/predicates.md (spu_shift_operand): Remove.
5740         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
5741         * config/spu/constraints.md (W, O): Extend range.
5742         * config/spu/spu.md (umask, nmask): Define.
5743         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
5744         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
5745         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
5746         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
5747         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
5748         (lshr<mode>3_reg):  Fix rtl description.
5749
5750         Make sure mulhisi immediate operands are valid.
5751         * config/spu/predicates.md (imm_K_operand): Add.
5752         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
5753
5754         Generate constants using fsmbi and andi.
5755         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
5756         (print_operand, spu_split_immediate, classify_immediate,
5757         fsmbi_const_p): Handle IC_FSMBI2.
5758
5759         Correctly handle a CONST_VECTOR containing symbols.
5760         * config/spu/spu.c (print_operand): Handle HIGH correctly.
5761         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
5762         (immediate_load_p): Allow symbols that use 2 instructions to create.
5763         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
5764         with symbols when flag_pic is set.
5765         (const_vector_immediate_p): New.
5766         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
5767         accept a CONST_VECTOR with symbols.
5768         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
5769         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
5770         correctly.
5771         * config/spu/spu.md (high, low): Delete.
5772         (low_<mode>): Define.
5773
5774         Remove INTRmode and INTR_REGNUM, which didn't work.
5775         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
5776         of INTR_REGNUM.
5777         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
5778         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
5779         peephole2 pattern): Don't use INTR or 131.
5780         (movintrcc): Delete.
5781         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
5782         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
5783         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
5784         (UNSPEC_SET_INTR): Add.
5785         * config/spu/spu-modes.def (INTR): Remove.
5786
5787         More accurate warnings about run-time relocations.
5788         * config/spu/spu.c (reloc_diagnostic): Test in_section.
5789
5790         Correctly warn about immediate arguments to specific intrinsics.
5791         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
5792         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
5793         the instruction predicate.
5794
5795         Fix tree check errors with latest update.
5796         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
5797         CALL_EXPR_ARG.
5798         (spu_expand_builtin): Use CALL_EXPR_FN.
5799
5800         Add missing specific intrinsics.
5801         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
5802         si_bislede.
5803         * config/spu/spu_internals.h: Ditto.
5804
5805         Fix incorrect operand modifiers.
5806         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
5807         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
5808
5809         Optimize one case of zero_extend of a vec_select.
5810         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
5811
5812         Accept any immediate for hbr.
5813         * config/spu/spu.md (hbr):  Change s constraints to i.
5814
5815 2007-02-21  Paul Brook  <paul@codesourcery.com>
5816
5817         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
5818         condexec_count when skipping USE and CLOBBER.
5819
5820 2007-02-21  Nick Clifton  <nickc@redhat.com>
5821
5822         * common.opt (Warray-bounds): Add Warning attribute.
5823         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
5824         Likewise.
5825         (fsized-zeroes): Add Optimization attribute.
5826         (fsplit-wide-types, ftree-scev-cprop): Likewise.
5827         * c.opt (Wc++0x-compat): Add Warning attribute.
5828
5829 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
5830
5831         PR middle-end/30761
5832         * reload1.c (eliminate_regs_in_insn): In the single_set special
5833         case, attempt to re-recognize the insn before falling back to
5834         having reload fix it up.
5835
5836 2007-02-20  Eric Christopher  <echristo@gmail.com>
5837
5838         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
5839         Rewrite accordingly.
5840         (frv_read_iacc_argument): Ditto.
5841         (frv_expand_set_builtin): Take a call instead of arglist, update for
5842         above changes.
5843         (frv_expand_unop_builtin): Ditto.
5844         (frv_expand_binop_builtin): Ditto.
5845         (frv_expand_cut_builtin): Ditto.
5846         (frv_expand_binopimm_builtin): Ditto.
5847         (frv_expand_voidbinop_builtin): Ditto.
5848         (frv_expand_int_void2arg): Ditto.
5849         (frv_expand_prefetches): Ditto.
5850         (frv_expand_voidtriop_builtin): Ditto.
5851         (frv_expand_voidaccop_builtin): Ditto.
5852         (frv_expand_load_builtin): Ditto.
5853         (frv_expand_store_builtin): Ditto.
5854         (frv_expand_mdpackh_builtin): Ditto.
5855         (frv_expand_mclracc_builtin): Ditto.
5856         (frv_expand_mrdacc_builtin): Ditto.
5857         (frv_expand_mwtacc_builtin): Ditto.
5858         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
5859         calls for above.
5860
5861 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
5862
5863         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
5864         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
5865         cmpb instruction.
5866         (HAVE_GAS_DFP): Check for assembler support of decimal floating
5867         point instructions.
5868         * configure: Regenerate.
5869         * config.in: Regenerate.
5870         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
5871         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
5872         masks to power6 and power6x and to POWERPC_MASKS.
5873         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5874         _ARCH_PWR6.
5875         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
5876         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
5877         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
5878         Access PROTOTYPE as variable, not mask.
5879
5880 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
5881
5882         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
5883         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
5884         * combine.c (adjust_for_new_dest): Use it.
5885         * postreload.c (reload_combine): Likewise.
5886
5887 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
5888
5889         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
5890         notes on an insn with multiple sets, even if single_set returns
5891         non-NULL for that insn.
5892
5893 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5894
5895         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
5896         scalbn and scalbln.
5897
5898 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
5899
5900         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
5901         if user didn't pass it.
5902         * config/i386/darwin.h (CC1_SPEC): Likewise.
5903         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
5904         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
5905         -mmacosx-version-min.
5906
5907 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5908             Uros Bizjak  <ubizjak@gmail.com>
5909
5910         * optabs.h (enum optab_index): Add new OTI_scalb.
5911         (scalb_optab): Define corresponding macro.
5912         * optabs.c (init_optabs): Initialize scalb_optab.
5913         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
5914         patterns.
5915         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
5916         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
5917         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
5918         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
5919         flag_unsafe_math_optimizations is set.
5920
5921         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
5922         to implement scalbf, scalb and scalbl built-ins as inline x87
5923         intrinsics.
5924
5925 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5926             DJ Delorie <dj@redhat.com>
5927
5928         PR other/30824
5929         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
5930         (diagnostic_report_diagnostic): ... here, and turn them into real
5931         errors. If warnings are inhibited, no need to do anything.
5932
5933 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
5934
5935         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
5936         better code generation.
5937
5938 2007-02-20  Ben Elliston  <bje@au.ibm.com>
5939
5940         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
5941
5942 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
5943
5944         * config/alpha/alpha.c, config/alpha/alpha.md,
5945         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
5946         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
5947         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
5948         config/arm/lib1funcs.asm: Follow spelling conventions.
5949
5950         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
5951         config/fr30/fr30.md, config/i386/i386.h,
5952         config/iq2000/iq2000.h, config/iq2000/predicates.md,
5953         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
5954         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
5955         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
5956         config/rs6000/altivec.md, config/rs6000/rs6000.c,
5957         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
5958         config/sparc/sparc.c, config/sparc/sparc.h,
5959         config/sparc/sparc.md, config/spu/constraints.md,
5960         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
5961         conventions.
5962
5963 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
5964
5965         PR target/29943
5966         * varasm.c (use_blocks_for_decl_p): Return false for decls with
5967         alias attribute.
5968
5969 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
5970
5971         * doc/invoke.texi (-ftree-lrs): Remove.
5972
5973 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
5974
5975         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
5976         NULL.
5977
5978 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
5979
5980         * config/ia64/ia64.c (ia64_expand_builtin): Use the
5981         new CALL_EXPR_FN macro for retrieving the function
5982         declaration of the input expression.
5983
5984 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5985
5986         * c.opt (Waddress): New.
5987         * common.opt (Walways-true): Delete.
5988         (Wstring-literal-comparison): Delete.
5989         * doc/invoke.texi (Warning Options): Delete -Walways-true and
5990         -Wstring-literal-comparison. Add -Waddress.
5991         (Waddress): New.
5992         (Walways-true): Delete.
5993         (Wstring-literal-comparison): Delete.
5994         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
5995         consistently instead of -Walways-true in example.
5996         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
5997         * c-typeck.c (parser_build_binary_op): Replace
5998         -Wstring-literal-comparison and -Walways-true with -Waddress.
5999         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
6000         with -Waddress.
6001
6002 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6003
6004         * tree-cfg.c (dump_function_to_file): Be prepared for functions
6005         without DECL_STRUCT_FUNCTION initialized.
6006
6007 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6008
6009         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
6010         due to calls to functions taking pointers as parameters.
6011
6012 2007-02-19  Richard Henderson  <rth@redhat.com>
6013
6014         PR debug/29558
6015         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
6016         in memory.
6017
6018 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6019
6020         * config/s390/s390.c (s390_call_saved_register_used,
6021         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
6022         accessed to the new scheme.
6023
6024 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
6025
6026         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
6027         (cris_print_index, cris_print_operand, cris_print_operand_address)
6028         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
6029         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
6030         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
6031         GET_CODE () == xxx.
6032         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
6033         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
6034         GO_IF_LEGITIMATE_ADDRESS): Ditto.
6035         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
6036         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
6037         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
6038         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
6039         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
6040         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
6041         (uminsi3, call, call_value): Ditto.
6042         (define_split: indir_to_reg_split, unnamed): Ditto.
6043
6044 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
6045
6046         PR tree-optimization/30975
6047         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
6048         wrong assert.
6049
6050 2007-02-18  Eric Christopher  <echristo@gmail.com>
6051
6052         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
6053         Remove use of arglist.
6054         (mips_expand_builtin): Remove use of arglist, pass in expr.
6055         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
6056         (mips_expand_builtin_movtf): Ditto.
6057         (mips_expand_builtin_compare): Ditto.
6058
6059 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6060
6061         * tree-sra.c (sra_build_assignment): Replace assertion
6062         checking with a comment explaining why it can't be done.
6063
6064 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6065
6066         PR middle-end/30833
6067         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
6068         during CALL_EXPR representation conversion.
6069         * tree-ssa-propagate.c (set_rhs): Likewise.
6070
6071 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6072
6073         * tree-sra.c (sra_build_assignment): Disable assertion checking
6074         for now.
6075
6076 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6077
6078         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
6079         instead of calling build2 with a GIMPLE_MODIFY_STMT.
6080         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
6081         Likewise.
6082         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
6083         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
6084         gimplify_init_ctor_eval_range, gimple_push_cleanup,
6085         gimplify_omp_for, gimplify_omp_atomic_pipeline,
6086         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
6087         force_gimple_operand): Likewise.
6088         * ipa-cp.c (constant_val_insert): Likewise.
6089         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6090         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
6091         perfect_nestify): Likewise.
6092         * langhooks.c (lhd_omp_assignment): Likewise.
6093         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
6094         lower_copyprivate_clauses, lower_send_clauses,
6095         lower_send_shared_vars, expand_parallel_call,
6096         expand_omp_for_generic, expand_omp_for_static_nochunk,
6097         expand_omp_for_static_chunk, expand_omp_sections,
6098         lower_omp_single_copy, lower_omp_for_lastprivate,
6099         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
6100         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
6101         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
6102         Likewise.
6103
6104 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6105
6106         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
6107         config/sh/sh.md: Follow spelling conventions.
6108
6109         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
6110         config/frv/predicates.md: Follow spelling conventions.
6111
6112         * config/m68k/linux-unwind.h: Fix a comment typo.
6113         * target.h: Follow spelling conventions.
6114
6115 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6116
6117         PR rtl-optimization/28173
6118         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
6119         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
6120         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
6121         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
6122         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
6123
6124 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6125
6126         * builtins.c (fold_builtin_load_exponent): New.
6127         (fold_builtin_2): Use it.
6128
6129 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
6130
6131         PR rtl-optimization/30773
6132         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
6133         if we fail to attach a REG_EQUIV note.
6134
6135 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
6136             Roger Sayle  <roger@eyesopen.com>
6137
6138         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
6139
6140 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6141
6142         * calls.c (initialize_argument_information): Pass original EXP
6143         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
6144         code to split complex arguments here, as part of initializing the
6145         ARGS array.
6146         (expand_call): Remove code that builds a list of arguments and
6147         inserts implicit arguments into it.  Instead, just count how many
6148         implicit arguments there will be so we can determine the size of
6149         the ARGS array, and let initialize_argument_information do the work.
6150         (split_complex_values): Delete unused function.
6151
6152 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6153
6154         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
6155
6156 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6157
6158         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
6159         for arg pointer based indexed addressing.
6160
6161 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6162
6163         * config/ia64/ia64.h, config/ia64/ia64.md,
6164         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
6165         spelling conventions.
6166
6167 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6168
6169         * config/m68k/m68k.c (split_di): New.
6170         * config/m68k/m68k-protos.h: Declare split_di.
6171         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
6172           Improve predicate handling and split constant shifts.
6173
6174 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6175
6176         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
6177         parameter for register bitfield operations, general predicates
6178         cleanup
6179
6180 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6181
6182         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
6183         * config/m68k/linux-unwind.h: New file.
6184
6185 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6186
6187         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
6188         config/i386/athlon.md, config/ia64/ia64.md,
6189         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
6190         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
6191         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
6192         tree-ssa-loop-niter.c, tree-vect-analyze.c,
6193         tree-vect-transform.c: Fix comment typos.
6194
6195 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
6196
6197         * sched-deps.c (find_insn_list): Remove.
6198         * sched-int.h: Remove the prototype for find_insn_list.
6199
6200 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
6201
6202         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
6203         to linker.
6204         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
6205         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
6206         darwin_rs6000_override_options.
6207         (C_COMMON_OVERRIDE_OPTIONS): Expect
6208         darwin_macosx_version_min to be non-NULL always.
6209         (TARGET_C99_FUNCTIONS): Likewise.
6210         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
6211         (DARWIN_MINVERSION_SPEC): New.
6212         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
6213         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
6214         to cc1*.
6215         (DARWIN_MINVERSION_SPEC): New.
6216         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
6217         value.
6218         * config/darwin-c.c (darwin_cpp_builtins): Expect
6219         darwin_macosx_version_min to be non-NULL always.
6220
6221         * config/rs6000/rs6000.c: Clean up trailing whitespace.
6222
6223 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
6224
6225         * config/i386/i386.h (x86_use_xchgb): New.
6226         (TARGET_USE_XCHGB): New macro.
6227         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
6228         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
6229         Split after reload into bswaphi for shifts of 8.
6230         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
6231         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
6232         or when optimizing for size.
6233
6234 2007-02-16  Richard Guenther  <rguenther@suse.de>
6235             Christian Bruel  <christian.bruel@st.com>
6236
6237         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
6238         DECLs but prefer SSA_NAMEs over DECLs.
6239
6240 2007-02-16  Richard Guenther  <rguenther@suse.de>
6241
6242         * tree-flow-inline.h (single_imm_use_p): Remove.
6243         (zero_imm_uses_p): Likewise.
6244         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
6245         instead of single_imm_use_p.
6246         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
6247         zero_imm_uses_p.
6248
6249 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6250
6251         PR other/27843
6252         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
6253         nested double- and backquotes.
6254
6255 2007-02-15  Roger Sayle  <roger@eyesopen.com>
6256
6257         PR middle-end/30391
6258         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
6259         should be unreachable.
6260         (build2_stat): Allow construction of MODIFY_EXPR at any time.
6261         For the time being redirect GIMPLE_MODIFY_STMT to the new
6262         (renamed) build_gimple_modify_stmt_stat.
6263         (build2_gimple_stat): Rename to...
6264         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
6265         Always build a GIMPLE_MODIFY_STMT node.
6266         * tree.h (build2_gimple, build2_gimple_stat): Delete.
6267         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
6268         declarations.
6269
6270         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
6271         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
6272         * tree-complex.c (set_component_ssa_name, expand_complex_move,
6273         expand_complex_div_wide): Likewise.
6274         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
6275         * tree-ssa-loop-im.c (schedule_sm): Likewise.
6276         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
6277         * tree-ssa-loop-manip.c (create_iv): Likewise.
6278         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
6279         abs_replacement): Likewise.
6280         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
6281         realify_fake_stores): Likewise.
6282
6283         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
6284         node rather than a GIMPLE_MODIFY_STMT node.
6285         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
6286         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
6287         Likewise.
6288         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
6289         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
6290         GIMPLE_MODIFY_STMT.
6291
6292 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6293
6294         PR middle-end/30433
6295         * fold-const.c (fold_comparison): Add back the
6296         folding of constant complex comparisions.
6297
6298 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6299
6300         PR middle-end/30729
6301         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
6302         effects unknown to this function, return early.
6303
6304 2007-02-15  Ian Lance Taylor  <iant@google.com>
6305
6306         * lower-subreg.c (move_eh_region_note): New static function.
6307         (resolve_simple_move): Call it.
6308         (decompose_multiword_subregs): Track blocks for which we resolve a
6309         simple move which is also a control flow insn.  Pass them to
6310         find_many_sub_basic_blocks.
6311         (pass_lower_subreg): Add TODO_verify_flow.
6312         (pass_lower_subreg2): Likewise.
6313
6314 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6315             Brooks Moses  <brooks.moses@codesourcery.com>
6316             Lee Millward  <lee.millward@codesourcery.com>
6317
6318         * tree.h (enum tree_code_class): Add tcc_vl_exp.
6319         (VL_EXP_CLASS_P): New.
6320         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
6321         TREE_CODE_LENGTH.
6322         (TREE_OPERAND_CHECK_CODE): Likewise.
6323         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
6324         (TREE_RTL_OPERAND_CHECK): Likewise.
6325         (tree_operand_check_failed): Make second parameter the whole tree
6326         instead of its code.  Fixed callers.
6327         (VL_EXP_CHECK): New.
6328         (TREE_OPERAND_LENGTH): New.
6329         (VL_EXP_OPERAND_LENGTH): New.
6330         (CALL_EXPR_FN): New.
6331         (CALL_EXPR_STATIC_CHAIN): New.
6332         (CALL_EXPR_ARGS): New.
6333         (CALL_EXPR_ARG): New.
6334         (call_expr_nargs): New.
6335         (CALL_EXPR_ARGP): New.
6336         (build_nt_call_list): Declare.
6337         (build_vl_exp_stat): Declare.
6338         (build_vl_exp): New.
6339         (build_call_list): Declare.
6340         (build_call_nary): Declare.
6341         (build_call_valist): Declare.
6342         (build_call_array): Declare.
6343         (call_expr_arg): Declare.
6344         (call_expr_argp): Declare.
6345         (call_expr_arglist): Declare.
6346         (fold_build_call_list): Declare.
6347         (fold_build_call_list_initializer): Declare.
6348         (fold_call_expr): Declare to replace fold_builtin.
6349         (fold_builtin_fputs): Update to agree with modified definition.
6350         (fold_builtin_strcpy): Likewise.
6351         (fold_builtin_strncpy): Likewise.
6352         (fold_builtin_memory_chk): Likewise.
6353         (fold_builtin_stxcpy_chk): Likewise.
6354         (fold_builtin_strncpy_chk): Likewise.
6355         (fold_builtin_next_arg): Likewise.
6356         (fold_build_call_expr): Declare.
6357         (fold_builtin_call_list): Declare.
6358         (fold_builtin_call_valist): Declare.
6359         (build_call_expr): Declare.
6360         (validate_arglist): Update to agree with modified definition.
6361         (tree_operand_length): New.
6362         (call_expr_arg_iterator): New.
6363         (init_call_expr_arg_iterator): New.
6364         (next_call_expr_arg): New.
6365         (first_call_expr_arg): New.
6366         (more_call_expr_args_p): New.
6367         (FOR_EACH_CALL_EXPR_ARG): New.
6368
6369         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
6370         and tcc_gimple_stmt.
6371         (tree_code_size): Update documentation.  Use sizeof (tree) rather
6372         than sizeof (char *).
6373         (tree_size): Likewise.  Add case for tcc_vl_exp.
6374         (tree_node_structure): Add case for tcc_vl_exp.
6375         (contains_placeholder_p): Likewise.
6376         (substitute_in_expr): Likewise.
6377         (substitute_placeholder_in_expr): Likewise.
6378         (stabilize_reference_1): Likewise.
6379         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
6380         to diagnose breakage of this interface for constructing CALL_EXPRs.
6381         (build_nt): Add similar assertion here.
6382         (build_nt_call_list): New.
6383         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
6384         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
6385         TREE_CODE_LENGTH.
6386         (get_callee_fndecl): Use new CALL_EXPR accessors.
6387         (tree_operand_check_failed): Change parameters to pass entire node
6388         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
6389         (process_call_operands): New.
6390         (build_vl_exp_stat): New.
6391         (build_call_list): New.
6392         (build_call_nary): New.
6393         (build_call_valist): New.
6394         (build_call_array): New.
6395         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6396         (call_expr_arglist): New.
6397
6398         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
6399         tcc_vl_exp instead of a fixed-size tcc_expression.
6400
6401         * doc/c-tree.texi (CALL_EXPR): Document new representation and
6402         accessors for CALL_EXPRs.
6403         (AGGR_INIT_EXPR): Likewise.
6404
6405 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6406             Brooks Moses  <brooks.moses@codesourcery.com>
6407             Lee Millward  <lee.millward@codesourcery.com>
6408
6409         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
6410         (expand_builtin_nonlocal_goto): Change parameter to be entire
6411         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
6412         (expand_builtin_prefetch): Likewise.
6413         (expand_builtin_classify_type): Likewise.
6414         (mathfn_built_in): Return NULL_TREE instead of 0.
6415         (expand_errno_check): Use new CALL_EXPR accessors.
6416         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
6417         Return NULL_RTX instead of 0.
6418         (expand_builtin_mathfn_2): Likewise.
6419         (expand_builtin_mathfn_3): Likewise.
6420         (expand_builtin_interclass_mathfn): Likewise.
6421         (expand_builtin_sincos): Likewise.
6422         (expand_builtin_cexpi): Likewise.
6423         (expand_builtin_int_roundingfn): Likewise.
6424         (expand_builtin_int_roundingfn_2): Likewise.
6425         (expand_builtin_pow): Likewise.
6426         (expand_builtin_powi): Likewise.
6427         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
6428         of arglist, fixing callers appropriately.  Use new CALL_EXPR
6429         accessors and constructors.  Return NULL_RTX instead of 0.
6430         (expand_builtin_strstr): Likewise.
6431         (expand_builtin_strchr): Likewise.
6432         (expand_builtin_strrchr): Likewise.
6433         (expand_builtin_strpbrk): Likewise.
6434         (expand_builtin_memcpy): Likewise.
6435         (expand_builtin_mempcpy): Likewise.
6436         (expand_builtin_mempcpy_args): New.
6437         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
6438         (expand_builtin_memmove_args): New.
6439         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
6440         (expand_movstr): Likewise.
6441         (expand_builtin_strcpy): Likewise.
6442         (expand_builtin_strcpy_args): New.
6443         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
6444         (expand_builtin_strncpy): Likewise.
6445         (expand_builtin_memset): Likewise.
6446         (expand_builtin_memset_args): New.
6447         (expand_builtin_bzero): Similarly to expand_builtin_memset.
6448         (expand_builtin_memcmp): Likewise.
6449         (expand_builtin_strcmp): Likewise.
6450         (expand_builtin_strncmp): Likewise.
6451         (expand_builtin_strcat): Likewise.
6452         (expand_builtin_strncat): Likewise.
6453         (expand_builtin_strspn): Likewise.
6454         (expand_builtin_strcspn): Likewise.
6455         (expand_builtin_args_info): Likewise.
6456         (expand_builtin_va_start): Likewise.
6457         (gimplify_va_arg_expr): Likewise.
6458         (expand_builtin_va_end): Likewise.
6459         (expand_builtin_va_copy): Likewise.
6460         (expand_builtin_frame_address): Likewise.
6461         (expand_builtin_alloca): Likewise.
6462         (expand_builtin_bswap): Likewise.
6463         (expand_builtin_unop): Likewise.
6464         (expand_builtin_fputs): Likewise.
6465         (expand_builtin_expect): Likewise.
6466         (expand_builtin_fabs): Likewise.
6467         (expand_builtin_copysign): Likewise.
6468         (expand_builtin_printf): Likewise.
6469         (expand_builtin_fprintf): Likewise.
6470         (expand_builtin_sprintf): Likewise.
6471         (expand_builtin_init_trampoline): Likewise.
6472         (expand_builtin_signbit): Likewise.
6473         (expand_builtin_fork_or_exec): Likewise.
6474         (expand_builtin_sync_operation): Likewise.
6475         (expand_builtin_compare_and_swap): Likewise.
6476         (expand_builtin_lock_test_and_set): Likewise.
6477         (expand_builtin_lock_release): Likewise.
6478         (expand_builtin): Likewise.
6479         (builtin_mathfn_code): Likewise.
6480
6481         (fold_builtin_constant_p): Pass call arguments individually instead
6482         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6483         accessors and constructors.  Return NULL_TREE instead of 0.
6484         (fold_builtin_expect): Likewise.
6485         (fold_builtin_classify_type): Likewise.
6486         (fold_builtin_strlen): Likewise.
6487         (fold_builtin_nan): Likewise.
6488         (integer_valued_real_p): Likewise.
6489         (fold_trunc_transparent_mathfn): Likewise.
6490         (fold_fixed_mathfn): Likewise.
6491         (fold_builtin_cabs): Likewise.
6492         (fold_builtin_sqrt): Likewise.
6493         (fold_builtin_cbrt): Likewise.
6494         (fold_builtin_cos): Likewise.
6495         (fold_builtin_cosh): Likewise.
6496         (fold_builtin_tan): Likewise.
6497         (fold_builtin_sincos): Likewise.
6498         (fold_builtin_cexp): Likewise.
6499         (fold_builtin_trunc): Likewise.
6500         (fold_builtin_floor): Likewise.
6501         (fold_builtin_ceil): Likewise.
6502         (fold_builtin_round): Likewise.
6503         (fold_builtin_int_roundingfn): Likewise.
6504         (fold_builtin_bitop): Likewise.
6505         (fold_builtin_bswap): Likewise.
6506         (fold_builtin_logarithm): Likewise.
6507         (fold_builtin_hypot): Likewise.
6508         (fold_builtin_pow): Likewise.
6509         (fold_builtin_powi): Likewise.
6510         (fold_builtin_exponent): Likewise.
6511         (fold_builtin_memset): Likewise.
6512         (fold_builtin_bzero): Likewise.
6513         (fold_builtin_memory_op): Likewise.
6514         (fold_builtin_bcopy): Deleted; call site changed to invoke
6515         fold_builtin_memory_op directly.
6516         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
6517         (fold_builtin_strncpy): Likewise.
6518         (fold_builtin_memcmp): Likewise.
6519         (fold_builtin_strcmp): Likewise.
6520         (fold_builtin_strncmp): Likewise.
6521         (fold_builtin_signbit): Likewise.
6522         (fold_builtin_copysign): Likewise.
6523         (fold_builtin_isascii): Likewise.
6524         (fold_builtin_toascii): Likewise.
6525         (fold_builtin_isdigit): Likewise.
6526         (fold_builtin_fabs): Likewise.
6527         (fold_builtin_abs): Likewise.
6528         (fold_builtin_fmin_fmax): Likewise.
6529         (fold_builtin_carg): Likewise.
6530         (fold_builtin_classify): Likewise.
6531         (fold_builtin_unordered_cmp): Likewise.
6532
6533         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
6534         New functions split out from fold_builtin_1.
6535         (fold_builtin_n): New.
6536         (fold_builtin_varargs): New.
6537         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
6538         instead.
6539         (fold_call_expr): New.
6540         (build_function_call_expr): Rewrite to use new helper function.
6541         (fold_builtin_call_list): New.
6542         (build_call_expr): New.
6543         (fold_builtin_call_valist): New.
6544         (rewrite_call_expr): New.
6545         (validate_arg): New.
6546         (validate_arglist): Change parameter to be entire CALL_EXPR instead
6547         of an arglist.  Change return type to bool.  Use new CALL_EXPR
6548         accessors.
6549
6550         (fold_builtin_strstr):  Pass call arguments individually instead
6551         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6552         accessors and constructors.  Return NULL_TREE instead of 0.
6553         (fold_builtin_strchr): Likewise.
6554         (fold_builtin_strrchr): Likewise.
6555         (fold_builtin_strpbrk): Likewise.
6556         (fold_builtin_strcat): Likewise.
6557         (fold_builtin_strncat): Likewise.
6558         (fold_builtin_strspn): Likewise.
6559         (fold_builtin_strcspn): Likewise.
6560         (fold_builtin_fputs): Likewise.
6561         (fold_builtin_next_arg): Likewise.
6562         (fold_builtin_sprintf): Likewise.
6563
6564         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
6565         NULL_RTX instead of 0.
6566         (expand_builtin_memory_chk): Likewise.
6567         (maybe_emit_chk_warning): Likewise.
6568         (maybe_emit_sprintf_chk_warning): Likewise.
6569
6570         (fold_builtin_object_size): Pass call arguments individually instead
6571         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6572         accessors and constructors.  Return NULL_TREE instead of 0.
6573         (fold_builtin_memory_chk): Likewise.
6574         (fold_builtin_stxcpy_chk): Likewise.
6575         (fold_builtin_strncpy_chk): Likewise.
6576         (fold_builtin_strcat_chk): Likewise.
6577         (fold_builtin_strcat_chk): Likewise.
6578         (fold_builtin_strncat_chk): Likewise.
6579         (fold_builtin_sprintf_chk): Likewise.
6580         (fold_builtin_snprintf_chk): Likewise.
6581         (fold_builtin_printf): Likewise.
6582         (fold_builtin_vprintf): Likewise.
6583
6584         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
6585         constructors.
6586         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
6587         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6588         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
6589         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
6590         (fold_unary): Likewise.
6591         (fold_binary): Likewise.
6592         (fold_ternary): Remove CALL_EXPR case, since they are no longer
6593         ternary expressions.
6594         (fold): Add logic for tcc_vl_exp.
6595         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
6596         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6597         (fold_build3_stat): Add assertion to flag broken interface for
6598         constructing CALL_EXPRs.
6599         (fold_build_call_list): New.
6600         (fold_build_call_list_initializer): New.
6601         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
6602         constructors.
6603         (fold_strip_sign_ops): Likewise.
6604
6605 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6606             Brooks Moses  <brooks.moses@codesourcery.com>
6607             Lee Millward  <lee.millward@codesourcery.com>
6608
6609         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
6610         accessors and dump arguments explicitly.
6611
6612         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
6613         TREE_CODE_LENGTH.
6614         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
6615         explicitly.
6616         (print_call_name): Use new CALL_EXPR accessors.
6617
6618         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
6619         CALL_EXPR arguments explicitly instead of as a list.  Use
6620         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6621
6622         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
6623         (vrp_visit_stmt): Likewise.
6624
6625         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
6626         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
6627         TREE_CODE_LENGTH.
6628         (force_move_till_expr): Likewise.
6629
6630         * targhooks.c (default_external_stack_protect_fail): Use
6631         build_call_expr instead of build_function_call_expr.
6632         (default_hidden_stack_protect_fail): Likewise.
6633
6634         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
6635         build the call.
6636
6637         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
6638         and walk arguments explicitly.
6639
6640         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
6641         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6642         (expand_simple_operations): Likewise.
6643         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
6644
6645         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
6646         of TREE_CODE_LENGTH.
6647         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
6648
6649         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
6650         instead of TREE_CODE_LENGTH.
6651
6652         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
6653         (tree_ic_transform): Likewise.
6654         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
6655         parameter instead of arglist.  Fix callers.
6656         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
6657         (tree_stringops_transform): Likewise.
6658         (tree_indirect_call_to_profile): Likewise.
6659         (tree_stringops_values_to_profile): Likewise.
6660
6661         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
6662         (eliminate_tail_call): Likewise.
6663
6664         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
6665
6666         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
6667         Use TREE_OPERAND_LENGTH and generalize to handle any number of
6668         operands.
6669         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
6670
6671         * omp-low.c (build_omp_barrier): Use build_call_expr.
6672         (lower_rec_input_clauses): Likewise.
6673         (lower_reduction_clauses): Likewise.
6674         (expand_parallel_call): Likewise.
6675         (maybe_catch_exception): Likewise.
6676         (expand_omp_for_generic): Likewise.
6677         (expand_omp_for_static_nochunk): Likewise.
6678         (expand_omp_sections): Likewise.
6679         (lower_omp_single_simple): Likewise.
6680         (lower_omp_single_copy): Likewise.
6681         (lower_omp_master): Likewise.
6682         (lower_omp_ordered): Likewise.
6683         (lower_omp_critical): Likewise.
6684
6685         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
6686         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
6687
6688         * tree-gimple.c (is_gimple_call_addr): Fix doc.
6689         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
6690         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
6691
6692         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
6693         and generalize to handle any number of operands.
6694         (chrec_contains_undetermined): Likewise.
6695         (tree_contains_chrecs): Likewise.
6696         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
6697
6698         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
6699
6700         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
6701         fold_call_expr instead of fold_builtin.
6702         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
6703         match declarations there.
6704         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
6705         updates.
6706
6707         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
6708         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6709
6710         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
6711         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
6712
6713         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
6714         accessors.
6715
6716         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
6717         (execute_cse_sincos): Use new CALL_EXPR accessors.
6718
6719         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
6720
6721         * gimple-low.c (lower_function_body): Use build_call_expr.
6722         (lower_builtin_setjmp): Likewise.
6723
6724         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
6725         (set_storage_via_libcall): Likewise.
6726         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
6727         instead of TREE_CODE_LENGTH.
6728         (expand_expr_real_1): Use new CALL_EXPR accessors.
6729
6730         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
6731         generalize to handle any number of operands.
6732         (TB_parent_eq): Likewise.
6733
6734         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
6735         (strip_builtin_expect): Likewise.
6736
6737         * function.c (gimplify_parameters): Use build_call_expr.
6738
6739         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
6740         instead of TREE_CODE_LENGTH.
6741
6742         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
6743         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
6744
6745         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
6746         iterators.
6747
6748         * gimplify.c (build_stack_save_restore): Use build_call_expr.
6749         (gimplify_decl_expr): Likewise.
6750         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
6751         Use new CALL_EXPR iterators.
6752         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
6753         (gimplify_modify_expr_to_memset): Likewise.
6754         (gimplify_variable_sized_compare): Likewise.
6755         (gimplify_omp_atomic_fetch_op): Likewise.
6756         (gimplify_omp_atomic_pipeline): Likewise.
6757         (gimplify_omp_atomic_mutex): Likewise.
6758         (gimplify_function_tree): Likewise.
6759
6760         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
6761         (call_expr_flags): Likewise.
6762         (expand_call): Likewise.
6763
6764         * except.c (expand_builtin_eh_return_data_regno): Pass entire
6765         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
6766         accessors.
6767
6768         * coverage.c (create_coverage): Use build_call_expr.
6769
6770         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
6771         (temp_call_expr_obstack): New.
6772         (pool_copy_list): Delete.
6773         (temp_copy_call_expr): New.
6774         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
6775         CALL_EXPR accessors.  Get rid of special goo for copying argument
6776         lists and use temp_copy_call_expr instead.
6777         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
6778         CALL_EXPR accessors.
6779         (create_expression_by_pieces): Likewise.  Use build_call_array
6780         to construct the result instead of fold_build3.
6781         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
6782         dealing with argument lists.
6783         (init_pre): Remove references to expression_node_pool and
6784         list_node_pool.  Init temp_call_expr_obstack instead.
6785         (fini_pre): Remove references to expression_node_pool and
6786         list_node_pool.
6787
6788         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
6789         and walk arguments explicitly instead of as a list.
6790
6791         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
6792         (mx_register_decls): Likewise.
6793         (mudflap_register_call): Likewise.
6794         (mudflap_finish_file): Likewise.
6795
6796         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
6797         (ipa_callsite_compute_param): Likewise.
6798
6799         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
6800         accessors and constructor.
6801
6802         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
6803         accessors and constructor.
6804         (convert_tramp_reference): Likewise.
6805         (convert_call_expr): Likewise.
6806         (finalize_nesting_tree_1): Likewise.
6807
6808         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
6809         accessors.
6810
6811         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
6812
6813         * tree-inline.c (initialize_inlined_parameters): Pass entire
6814         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
6815         accessors.
6816         (estimate_num_insns_1): Use new CALL_EXPR accessors.
6817         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
6818
6819         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
6820         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6821         (vectorizable_reduction): Likewise.
6822         (vectorizable_call): Use new CALL_EXPR iterators.
6823         (vectorizable_conversion): Use build_call_expr.
6824         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
6825         (vect_gen_widened_results_half): Use build_call_expr.
6826         (vect_setup_realignment): Likewise.
6827         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
6828
6829         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
6830         (pass_through_call): Likewise.
6831         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
6832         fold_builtin.
6833
6834         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
6835         (tree_gen_pow2_profiler): Likewise.
6836         (tree_gen_one_value_profiler): Likewise.
6837         (tree_gen_ic_func_profiler): Likewise.
6838         (tree_gen_average_profiler): Likewise.
6839         (tree_gen_ior_profiler): Likewise.
6840
6841         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
6842         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
6843         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6844
6845         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
6846         of TREE_CODE_LENGTH.
6847
6848         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
6849         of TREE_CODE_LENGTH.
6850
6851         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
6852         constructor.
6853         (convert_to_integer): Likewise.
6854
6855         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
6856         accessors.
6857
6858 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6859             Brooks Moses  <brooks.moses@codesourcery.com>
6860             Lee Millward  <lee.millward@codesourcery.com>
6861
6862         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
6863         accessors.
6864         * config/frv/frv.c (frv_expand_builtin): Likewise.
6865         * config/s390/s390.c (s390_expand_builtin): Likewise.
6866
6867         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
6868         (sparc_expand_builtin): Use new CALL_EXPR accessors.
6869
6870         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
6871         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
6872         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
6873         (ix86_expand_store_builtin): Likewise.
6874         (ix86_expand_unop_builtin): Likewise.
6875         (ix86_expand_unop1_builtin): Likewise.
6876         (ix86_expand_sse_compare): Likewise.
6877         (ix86_expand_sse_comi): Likewise.
6878         (ix86_expand_vec_init_builtin): Likewise.
6879         (ix86_expand_vec_ext_builtin): Likewise.
6880         (ix86_expand_vec_set_builtin): Likewise.
6881         (ix86_expand_builtin): Use new CALL_EXPR accessors.
6882
6883         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
6884         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
6885
6886         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
6887         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
6888         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
6889
6890         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
6891         build_call_expr.
6892         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
6893         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
6894         arglist.  Use new CALL_EXPR accessors.  Fix callers.
6895         (altivec_expand_abs_builtin): Likewise.
6896         (rs6000_expand_binop_builtin): Likewise.
6897         (altivec_expand_predicate_builtin): Likewise.
6898         (altivec_expand_lv_builtin): Likewise.
6899         (spe_expand_stv_builtin): Likewise.
6900         (altivec_expand_stv_builtin): Likewise.
6901         (rs6000_expand_ternop_builtin): Likewise.
6902         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
6903         (altivec_expand_st_builtin): Likewise.
6904         (altivec_expand_dst_builtin): Likewise.
6905         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
6906         arglist.  Use new CALL_EXPR accessors.  Fix callers.
6907         (altivec_expand_vec_set_builtin): Likewise.
6908         (altivec_expand_vec_ext_builtin): Likewise.
6909         (altivec_expand_builtin): Use new CALL_EXPR accessors.
6910         (spe_expand_builtin): Likewise.
6911         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
6912         arglist.  Use new CALL_EXPR accessors.  Fix callers.
6913         (spe_expand_evsel_builtin): Likewise.
6914         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
6915         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
6916
6917         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
6918         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
6919         (arm_expand_unop_builtin): Likewise.
6920         (arm_expand_builtin): Use new CALL_EXPR accessors.
6921
6922         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
6923         accessors.
6924
6925         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
6926         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
6927         (bfin_expand_unop_builtin): Likewise.
6928         (bfin_expand_builtin): Use new CALL_EXPR accessors.
6929
6930 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6931             Brooks Moses  <brooks.moses@codesourcery.com>
6932             Lee Millward  <lee.millward@codesourcery.com>
6933
6934         * c-semantics.c (build_stmt): Add internal diagnostic check.
6935
6936         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
6937         accessors.  Print arguments explicitly instead of as a list.
6938
6939         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
6940
6941         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
6942         (c_finish_omp_flish): Likewise.
6943
6944         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
6945         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
6946         instead of TREE_CODE_LENGTH.
6947         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
6948         (c_warn_unused_result): Likewise.
6949
6950 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6951
6952         PR c/26494
6953         * doc/invoke.texi (Warning Options): Remove
6954         -Werror-implicit-function-declaration.
6955         (Wimplicit-function-declaration): Update description.
6956         * opts.c (common_handle_option): Move handling of -Werror=* to...
6957         (enable_warning_as_error): ...here.
6958         * opts.h (enable_warning_as_error): Declare.
6959         * c-decl.c (implicit_decl_warning): Unless
6960         -Wno-implicit-function-declaration is given, emit a pedwarn if
6961         -std=c99 or emit a warning if -Wimplicit-function-declaration.
6962         * c.opt (Wimplicit-function-declaration): Replace
6963         mesg_implicit_function_declaration with
6964         warn_implicit_function_declaration.
6965         * c-opts.c (c_common_handle_option):
6966         -Werror-implicit-function-declaration is exactly equal as
6967         -Werror=implicit-function-declaration.
6968         (set_Wimplicit): Replace mesg_implicit_function_declaration with
6969         warn_implicit_function_declaration.
6970         (c_common_post_options): -Wimplict-function-declaration is enabled
6971         by default by -std=c99, otherwise is disabled by default.
6972         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
6973
6974 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6975
6976         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
6977         DECL on the rhs to a DECL on the lhs for debug info purposes if the
6978         former is ignored but not the latter.
6979
6980 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6981
6982         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
6983         is made and the reference doesn't use the alias set of its type,
6984         do not create the temporary using that type.
6985
6986 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
6987
6988         * jump.c: Remove prototypes for delete_computation and
6989         delete_prior_computation.
6990
6991 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
6992
6993         * jump.c (get_label_after): Delete.
6994         (get_label_before, delete_computation, delete_jump,
6995         delete_prior_computation, follow_jumps): Move...
6996         * reorg.c (delete_computation, delete_prior_computation): ... here...
6997         (get_label_before, delete_jump): ... making these static ...
6998         (follow_jumps): ... and simplifying this since it only runs after
6999         reload.
7000         * rtl.h (get_label_after, get_label_before, delete_jump,
7001         follow_jumps): Delete prototypes.
7002
7003 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7004
7005         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
7006
7007 2007-02-15  Nick Clifton  <nickc@redhat.com>
7008
7009         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
7010         order to prevent it from being munged by the target.
7011
7012 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
7013
7014         * config/i386/i386.md: Remove misleading comment.
7015
7016 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7017
7018         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
7019         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
7020         invalid patterns.
7021
7022 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7023
7024         * tree-sra.c (instantiate_missing_elements): Canonicalize
7025         bit-field types.
7026         (sra_build_assignment): New.
7027         (generate_copy_inout, generate_element_copy,
7028         generate_element_zero, generate_one_element_init): Use it.
7029
7030 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7031
7032         * tree-sra.c (instantiate_missing_elements): Canonicalize
7033         bit-field types.
7034         (sra_build_assignment): New.
7035         (generate_copy_inout, generate_element_copy,
7036         generate_element_zero, generate_one_element_init): Use it.
7037
7038 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7039
7040         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
7041         limbo die nodes.
7042
7043 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
7044
7045         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
7046         types as aggregates not scalars.
7047         * function.c (assign_stack_temp_for_type): Likewise.
7048
7049 2007-02-14  Roger Sayle  <roger@eyesopen.com>
7050             Zdenek Dvorak  <dvorakz@suse.cz>
7051
7052         * tree-dump.c (dump_switch_p_1): Require exact match of the option
7053         name.
7054
7055 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
7056
7057         * passes.c (next_pass_1): Clear the next field of the copied
7058         pass structure.
7059
7060 2007-02-14  Richard Henderson  <rth@redhat.com>
7061
7062         * tree-sra.c (early_sra): New.
7063         (decl_can_be_decomposed_p): Deny va_list if early_sra.
7064         (tree_sra_early, pass_sra_early): New.
7065         * tree-pass.h (pass_sra_early): Declare.
7066         * passes.c (init_optimization_passes): Use it.
7067
7068 2007-02-14  Richard Guenther  <rguenther@suse.de>
7069
7070         * flags.h (issue_strict_overflow_warning): Convert to a macro.
7071
7072 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
7073
7074          PR tree-optimization/30771
7075         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
7076         also phi nodes.
7077         (vect_analyze_operations): Induction phis can now be marked as
7078         used_in_loop.
7079         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
7080         Update documentation accordingly.
7081
7082 2007-02-14  Nick Clifton  <nickc@redhat.com>
7083
7084         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
7085         most 3 arguments are supported.
7086         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
7087
7088 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
7089
7090         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
7091         Ensure dst->current is valid.
7092
7093 2007-02-13  Paul Brook  <paul@codesourcery.com>
7094
7095         * config.gcc: Add arm*-*-uclinux-*eabi.
7096         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
7097         (SUBTARGET_EXTRA_LINK_SPEC): Define.
7098         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
7099         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
7100         (LINK_SPEC): Define.
7101         (LIB_SPEC): Define.
7102         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
7103         register.
7104         * config/arm/uclinux-eabi.h: New file.
7105         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
7106         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
7107         based targets.
7108
7109 2007-02-13  Ian Lance Taylor  <iant@google.com>
7110
7111         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
7112         * flags.h (warn_strict_overflow): Declare.
7113         (enum warn_strict_overflow_code): Define.
7114         (issue_strict_overflow_warning): New static inline function.
7115         * opts.c (warn_strict_overflow): New variable.
7116         (common_handle_option): Handle OPT_Wstrict_overflow and
7117         OPT_Wstrict_overflow_.
7118         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
7119         OPT_Wall.
7120         * fold-const.c: Include intl.h.
7121         (fold_deferring_overflow_warnings): New static variable.
7122         (fold_deferred_overflow_warning): New static variable.
7123         (fold_deferred_overflow_code): New static variable.
7124         (fold_defer_overflow_warnings): New function.
7125         (fold_undefer_overflow_warnings): New function.
7126         (fold_undefer_and_ignore_overflow_warnings): New function.
7127         (fold_deferring_overflow_warnings_p): New function.
7128         (fold_overflow_warning): New static function.
7129         (make_range): Add strict_overflow_p parameter.  Change all
7130         callers.
7131         (extract_muldiv, extract_muldiv_1): Likewise.
7132         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
7133         tree_expr_nonnegative_p.
7134         (fold_negate_expr): Call fold_overflow_warning.
7135         (fold_range_test): Likewise.
7136         (fold_comparison): Likewise.
7137         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
7138         instead of tree_expr_nonnegative_p.
7139         (tree_expr_nonnegative_warnv_p): Rename from
7140         tree_expr_nonnegative_p, add strict_overflow_p parameter.
7141         (tree_expr_nonnegative_p): New function.
7142         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
7143         strict_overflow_p parameter.
7144         (tree_expr_nonzero_p): New function.
7145         * passes.c (verify_interpass_invariants): New static function.
7146         (execute_one_pass): Call it.
7147         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
7148         warnings.
7149         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
7150         (estimate_numbers_of_iterations): Likewise.
7151         (scev_probably_wraps_p): Likewise.
7152         * tree-ssa-ccp.c: Include "toplev.h".
7153         (evaluate_stmt): Defer fold overflow warnings until we know we are
7154         going to optimize.
7155         (struct fold_stmt_r_data): Add stmt field.
7156         (fold_stmt_r): Defer fold overflow warnings until we know we
7157         optimized.
7158         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
7159         (fold_stmt_inplace): Likewise.
7160         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
7161         (cleanup_control_expr_graph): Defer fold overflow warnings until
7162         we know we are going to optimize.
7163         * tree-cfg.c (fold_cond_expr_cond): Likewise.
7164         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
7165         Likewise.
7166         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
7167         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
7168         * tree-ssa-loop-manip.c (create_iv): Likewise.
7169         * c-typeck.c (build_conditional_expr): Likewise.
7170         (build_binary_op): Likewise.
7171         * tree-vrp.c (vrp_expr_computes_nonzero): Call
7172         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
7173         (extract_range_from_unary_expr): Likewise.
7174         * simplify-rtx.c (simplify_const_relational_operation): Warn when
7175         assuming that signed overflow does not occur.
7176         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
7177         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
7178         (fold_defer_overflow_warnings): Declare.
7179         (fold_undefer_overflow_warnings): Declare.
7180         (fold_undefer_and_ignore_overflow_warnings): Declare.
7181         (fold_deferring_overflow_warnings_p): Declare.
7182         (tree_expr_nonzero_warnv_p): Declare.
7183         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
7184         of warning options.
7185         (Warning Options): Document -Wstrict-overflow.
7186         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
7187         (tree-ssa-ccp.o): Likewise.
7188         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
7189         (fold-const.o): Depend on intl.h.
7190
7191 2007-02-13  Ian Lance Taylor  <iant@google.com>
7192
7193         PR middle-end/30751
7194         * lower-subreg.c (resolve_simple_move): Decompose subregs in
7195         addresses.
7196
7197 2007-02-13  Stuart Hastings  <stuart@apple.com>
7198
7199         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
7200
7201 2007-02-13  Richard Henderson  <rth@redhat.com>
7202
7203         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
7204         handled_component_p before looking for the indirect_ref.
7205
7206 2007-02-13  Richard Henderson  <rth@redhat.com>
7207
7208         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
7209         remove flags clobber.
7210         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
7211         (bswaphi_lowpart): New.
7212         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
7213         remove TARGET_BSWAP test.  Delete expander of the same name.
7214
7215         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
7216         (expand_unop): Use them.
7217
7218 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
7219
7220         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
7221         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
7222         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
7223         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
7224         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
7225         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
7226         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
7227         assembler dialect choice from asm templates.
7228
7229 2007-02-12  Richard Henderson  <rth@redhat.com>
7230
7231         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
7232         (fixuns_trunc<SSEMODEF>si2): Use it.
7233         * config/i386/sse.md (vec_setv4sf_0): Export.
7234         * config/i386/i386.c (ix86_build_const_vector): Export.
7235         (ix86_split_convert_uns_si_sse): Rename from
7236         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
7237         * config/i386/i386-protos.h: Update.
7238
7239 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7240
7241         PR c/29521
7242         * c-typeck.c (c_finish_return): Improve warning message.
7243
7244 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7245
7246         * alias.c (find_symbolic_term): Delete unused function.
7247
7248 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
7249
7250         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
7251         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
7252         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
7253
7254 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7255
7256         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
7257         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
7258         the function, temporarily point the debug interface to the null one.
7259
7260 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7261
7262         * dwarf2out.c (round_up_to_align): New static function.
7263         (field_byte_offset): Use it to round the offset.
7264
7265 2007-02-12  Richard Henderson  <rth@redhat.com>
7266
7267         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
7268         (inswl_const): Export.
7269
7270 2007-02-12  Richard Henderson  <rth@redhat.com>
7271
7272         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
7273         result mode of the libcall, convert back to outmode.
7274
7275 2007-02-12  Roger Sayle  <roger@eyesopen.com>
7276
7277         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
7278         (bswapdi2): New define_expand to implement 32-bit implementation.
7279
7280 2007-02-12  Nick Clifton  <nickc@redhat.com>
7281
7282         * doc/invoke.texi (Overall Options): Document --help=.
7283         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
7284         (cc1_options): Pass --help= on to cc1.
7285         (display_help): Add description of --help=.
7286         (process_command): Add code to handle --help=.  Allow translated
7287         --help and --target-help switches to be passed on to compiler
7288         sub-process.
7289         (main): Remove unused if statement.
7290         * opts.c (columns): Remove.
7291         (LEFT_COLUMN): Define.
7292         (wrap_help): Add columns argument.
7293         (print_filtered_help): Change parameters to be an include bitmask,
7294         an exclude bitmask, an any bitmask and the column width.  Move the
7295         code to display the params list here.  Add code to display the
7296         status of options rather than their descriptions if the quiet flag
7297         is not active.
7298         (print_specific_help): Change parameters to be an include bitmask,
7299         an exclude bitmask and an any bitmask.  Move code to look up the
7300         column width here.  Decide upon the title for an options listing.
7301         (common_handle_options): Add code to handle --help=.  Adapt code
7302         for --help and --target-help to use the revised form of the
7303         print_specific_help function.
7304         (print_help): Delete.
7305         (print_param_help): Delete.
7306         (print_switch): Delete.
7307         * opts.h (cl_lang_count): Add prototype.
7308         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
7309         CL_MAX_OPTION_CLASS): New defines.
7310         * optc-gen.awk: Add construction of cl_lang_count.
7311         * c.opt: Add Warning attribute to warning options and Optimization
7312         attribute to optimization options.
7313         * common.opt: Likewise.
7314         Add --help=.
7315         Add -fhelp and -ftarget-help as aliases for the transformed --help
7316         and --target-help options.
7317         * opt-functions.awk: Add code to handle Warning and Optimization
7318         attributes.
7319
7320 2007-02-12  Richard Henderson  <rth@redhat.com>
7321
7322         * config/alpha/constraints.md: New file.
7323         * config/alpha/alpha.c: Include tm-constrs.h.
7324         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
7325         alpha_extra_constraint): Remove.
7326         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
7327         * config/alpha/alpha-protos.h: Update.
7328         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
7329         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
7330         (EXTRA_CONSTRAINT): Remove.
7331         * config/alpha/alpha.md: Include constraints.md.
7332         (adddi splitter): Use satisfies_constraint_*.
7333         * config/alpha/predicates.md (add_operand): Likewise.
7334         (sext_add_operand, addition_operation): Likewise.
7335
7336 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
7337
7338         PR tree-optimization/29145
7339         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
7340         in our handling of restrict qualified pointers.
7341
7342 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7343
7344         PR middle-end/7651
7345         * doc/invoke.texi (Wunused-value): Update description.
7346         (Wextra): Delete item.
7347         * opts.c (set_Wextra): Don't use the value of Wextra to set the
7348         value of Wunused-value.
7349         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
7350         (c_finish_stmt_expr): Don't check extra_warnings.
7351         (emit_side_effect_warnings): The caller is responsible to check
7352         warn_unused_value.
7353
7354 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7355             Matt Thomas  <matt@3am-software.com>
7356
7357         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
7358
7359 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7360
7361         * simplify-rtx.c (simplify_relational_operation_1): Optimize
7362         comparisons of POPCOUNT against zero.
7363         (simplify_const_relational_operation): Likewise.
7364
7365 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7366
7367         * doc/invoke.texi (Wextra): Delete outdated paragraph.
7368
7369 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7370
7371         * dwarf2out.c (root_type): Delete unused function.
7372
7373 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7374
7375         * genattrtab.c (contained_in_p): Delete unused function.
7376         (write_expr_attr_cache): Likewise.
7377
7378 2007-02-11  Jan Hubicka  <jh@suse.cz>
7379
7380         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
7381         previous patch.
7382
7383 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
7384
7385         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
7386         to add the REG_EQ* note.
7387         * see.c (see_merge_one_use_extension): Likewise.
7388         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
7389         turn REG_EQUAL notes into REG_EQUIV notes if the target
7390         register may have more than one set.
7391         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
7392         * gcse.c (try_replace_reg): Likewise.
7393         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
7394         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
7395         more than one REG_EQUIV note.
7396         * reload1.c (gen_reload): Use set_unique_reg_note.
7397
7398 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
7399
7400         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
7401         (ix86_builtin_conversion): New function.
7402
7403 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
7404
7405         PR target/29487
7406         * tree.h (DECL_REPLACEABLE_P): New macro.
7407         * except.c (set_nothrow_function_flags): Likewise.
7408
7409 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
7410             Ira Rosen  <irar@il.ibm.com>
7411             Dorit Nuzman  <dorit@il.ibm.com>
7412
7413         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
7414         * targhooks.c (default_builtin_vectorized_conversion): New.
7415         * targhooks.h (default_builtin_vectorized_function): New declaration.
7416         * target.h (struct vectorize): Add builtin_conversion field.
7417         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
7418         stmt_vec_info_type value.
7419         (vectorizable_conversion): New declaration.
7420         * tree-vect-analyze.c (vect_analyze_operations): Add
7421         vectorizable_conversion call.
7422         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
7423         * tree-vect-transform.c (vectorizable_conversion): New function.
7424         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
7425         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
7426         mode.
7427         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
7428         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
7429         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
7430         or ALTIVEC_BUILTIN_VCFSX.
7431
7432 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7433
7434         PR target/30634
7435         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
7436         CONST_DOUBLE and operand 0 is a hard register.
7437         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
7438         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
7439         is a hard floating-point register.
7440
7441 2007-02-10  Richard Henderson  <rth@redhat.com>
7442             Jakub Jelinek  <jakub@redhat.com>
7443             Alexandre Oliva  <aoliva@redhat.com>
7444
7445         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
7446         * builtin-types.def (BT_WORD): Make unsigned.
7447         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7448         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7449         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7450         * c-decl.c (grokdeclarator): Don't error if !have_tls.
7451         * c-parser.c (c_parser_omp_threadprivate): Likewise.
7452         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7453         emulated tls.
7454         * expr.c (emutls_var_address): New.
7455         (expand_expr_real_1): Expand emulated tls.
7456         (expand_expr_addr_expr_1): Likewise.
7457         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7458         * output.h (emutls_finish): Declare.
7459         * toplev.c (compile_file): Call it.
7460         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7461         address before wrapping in CONST.
7462         * varasm.c (emutls_htab, emutls_object_type): New.
7463         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7464         (get_emutls_object_name, get_emutls_object_type): New.
7465         (get_emutls_init_templ_addr, emutls_decl): New.
7466         (emutls_common_1, emutls_finish): New.
7467         (assemble_variable): When emulating tls, swap decls; generate
7468         constructor for the emutls objects.
7469         (do_assemble_alias): When emulating tls, swap decl and target name.
7470         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7471         for emulated tls.
7472         * varpool.c (decide_is_variable_needed): Look at force_output.
7473         Recurse for emulated tls.
7474         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
7475         with decide_is_variable_needed.
7476         * emutls.c: New file.
7477         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7478         tls_object for real tls.
7479
7480 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
7481
7482         PR rtl-optimization/29599
7483         * reload1.c (eliminate_regs_in_insn): Take the destination
7484         mode into account when computing the offset.
7485
7486 2007-02-09  Stuart Hastings  <stuart@apple.com>
7487             Richard Henderson  <rth@redhat.com>
7488
7489         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
7490         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
7491         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
7492         fixuns_truncdfhi2): New.
7493         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
7494         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
7495         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
7496         (floatunssidf2): Allow nonimmediate source.
7497         * config/i386/sse.md (movdi_to_sse): New.
7498         (vec_concatv2di): Drop '*'.
7499         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
7500         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
7501         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
7502         New.
7503         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
7504         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
7505         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
7506         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
7507         (ix86_build_signbit_mask): Fix decl of v, refactor to call
7508         ix86_build_const_vector.
7509         (x86_emit_floatuns): Rewrite.
7510
7511 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7512
7513         * genautomata.c (longest_path_length): Delete unused function.
7514         (struct state): Delete unused longest_path_length.
7515         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
7516         (get_free_state): Delete unused.
7517
7518 2007-02-09  Jan Hubicka  <jh@suse.cz>
7519
7520         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
7521         * doc/invoke.texi (inline-unit-growth): Update default value.
7522
7523         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
7524         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
7525         (rebuild_cgraph_edges): Likewise.
7526         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
7527         (dump_cgraph_node): Dump frequencies.
7528         (cgraph_clone_edge): Add frequency scales.
7529         (cgraph_clone_node): Add freuqnecy.
7530         * cgraph.h (cgraph_edge): Add freuqnecy argument.
7531         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
7532         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
7533         * tree-pass.h (TODO_rebuild_frequencies): New constant.
7534         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
7535         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
7536         (save_inline_function_body): Likewise.
7537         * ipa-inline.c: inluce rtl.h
7538         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
7539         (cgraph_edge_badness): Use frequencies.
7540         (cgraph_decide_recursive_inlining): Update clonning.
7541         (cgraph_decide_inlining_of_small_function): Dump frequency.
7542         * predict.c (estimate_bb_frequencies): Export.
7543         * predict.h (estimate_bb_frequencies): Declare.
7544         * tree-inline.c (copy_bb): Watch overflows.
7545         (expand_call_inline): Update call of cgraph_create_edge.
7546         (optimize_inline_calls): Use TODO flags to update frequnecies.
7547         * passes.h: Include predict.h
7548         (init_optimization_passes): Move profile ahead.
7549         (execute_function_todo): Handle TODO_rebuild_frequencies.
7550
7551 2007-02-09  Roger Sayle  <roger@eyesopen.com>
7552
7553         * config/alpha/alpha.c (emit_insxl): Force the first operand of
7554         the insbl or inswl pattern into a register.
7555
7556 2007-02-09  Roger Sayle  <roger@eyesopen.com>
7557
7558         * config/ia64/ia64.md (bswapdi2): New define_insn.
7559
7560 2007-02-09  Richard Henderson  <rth@redhat.com>
7561
7562         * config/i386/constraints.md (Ym): New constraint.
7563         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
7564         (movdi_1_rex64): Split sse and xmm general register moves from
7565         memory move alternatives.  Use conditional register constraints.
7566         (movsf_1, movdf_integer): Likewise.
7567         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
7568         (movdf_integer_rex64): New.
7569         (pushsf_rex64): Fix output constraints.
7570         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
7571         (sse2_stored): Likewise.
7572         (sse2_storeq_rex64): New.
7573         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
7574         amd and not generic.
7575         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
7576         for optimize_size.  Remove SF/DFmode hack.
7577
7578 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7579
7580         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
7581         (bit_SSE4a): New.
7582
7583 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
7584             Richard Sandiford  <richard@codesourcery.com>
7585
7586         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
7587         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
7588         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
7589         m68k/t-mlib to tmake_file.
7590         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
7591         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
7592         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
7593         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
7594         variable is not empty, add t-$m68k_arch_family to tmake_file.
7595         Add t-mlibs to tmake_file.
7596         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
7597         * config/m68k/t-cf: New file.
7598         * config/m68k/t-m68k: Likewise.
7599         * config/m68k/t-mlibs: Likewise.
7600         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7601         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7602         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
7603         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7604         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
7605         Delete.
7606         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
7607         (INSTALL_LIBGCC): Delete.
7608         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
7609         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7610         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7611         (M68K_MLIB_CPU): Define.
7612         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7613         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7614         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
7615
7616 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
7617             Richard Guenther  <rguenther@suse.de>
7618
7619         PR middle-end/23361
7620         * fold-const.c (fold_comparison): Handle obfuscated comparisons
7621         against INT_MIN/INT_MAX.
7622         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
7623         file if a loop is removed.
7624
7625 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
7626
7627         * calls.c (store_one_arg): Pass correct alignment to
7628         emit_push_insn for non-BLKmode values.
7629         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
7630         unaligned stack slot via a suitably aligned slot.
7631
7632 2007-02-08  DJ Delorie  <dj@redhat.com>
7633
7634         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
7635         warnings.
7636         (legal_subregs): Use unsigned char, make const.
7637         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
7638
7639 2007-02-08  Paul Brook  <paul@codesourcery.com>
7640
7641         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
7642         special interworking needed.
7643
7644 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
7645
7646         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
7647         conditional to __SSE2__.
7648         (Entries below should have been added to first ChangeLog
7649         entry for amdfam10 dated 2007-02-05)
7650         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
7651         defined.
7652         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
7653         defined.
7654         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
7655         defined.
7656
7657 2007-02-08  DJ Delorie  <dj@redhat.com>
7658
7659         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
7660         * config/m32c/m32c.c (legal_subregs): New.
7661         (m32c_illegal_subreg_p): New.
7662         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
7663         unsupported subregs of hard regs.
7664
7665 2007-02-08  Jan Hubicka  <jh@suse.cz>
7666
7667         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
7668         the same one; always update histograms.
7669
7670 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
7671
7672         * passes.c (init_optimization_passes): Tidy comment.
7673
7674 2007-02-08  Roger Sayle  <roger@eyesopen.com>
7675
7676         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
7677         strip zero_extend, bswap and rotates from POCOUNT's argument.
7678         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
7679         zero_extend and rotates from PARITY's argument.
7680         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
7681         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
7682         of an integer constant at compile-time.
7683
7684 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
7685
7686         PR 30562
7687         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
7688         Update all users.
7689         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
7690         users.
7691         (init_alias_info):
7692         * tree-ssa-live.c (remove_unused_locals): Do not remove
7693         TREE_ADDRESSABLE variables.
7694         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
7695         * tree-ssa-operands.c (add_virtual_operand): Remove argument
7696         FOR_CLOBBER.  Update all users.
7697         If VAR has an associated alias set, add a virtual operand for
7698         it if no alias is found to conflict with the memory reference.
7699
7700 2007-02-07  Jan Hubicka  <jh@suse.cz>
7701             Robert Kidd <rkidd@crhc.uiuc.edu>
7702
7703         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
7704
7705 2007-02-07  Ian Lance Taylor  <iant@google.com>
7706
7707         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
7708
7709 2007-02-07  Roger Sayle  <roger@eyesopen.com>
7710
7711         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
7712         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
7713         tablejumpdi, movsi_to_cr_one): Remove constraints from
7714         define_expand's match_operands.
7715
7716 2007-02-07  Roger Sayle  <roger@eyesopen.com>
7717
7718         * global.c (compute_regsets): Move declatation of "i" inside of
7719         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
7720
7721 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
7722
7723         PR c++/30703
7724         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
7725         of INDIRECT_REF <RESULT_DECL>.
7726
7727         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
7728
7729 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
7730             Kaz Kojima  <kkojima@gcc.gnu.org>
7731
7732         PR target/29746
7733         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
7734         properly.
7735         (sh_initialize_trampoline): Add parentheses to avoid a warning.
7736
7737 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
7738
7739         * doc/loop.texi: Document possibility not to perform disambiguation
7740         of loops with multiple latches.
7741         * cfgloopmanip.c (alp_enum_p): Removed.
7742         (add_loop): Handle subloops.  Use get_loop_body_with_size.
7743         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
7744         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
7745         the new forwarder block.
7746         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
7747         Handle the case latch is NULL.
7748         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
7749         when marking loop exits.
7750         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
7751         be modified.
7752         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
7753         disambiguate_loops_with_multiple_latches.
7754         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
7755         before fix_loop_structure.
7756         * cfgloop.c: Include pointer-set.h and output.h.
7757         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
7758         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
7759         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
7760         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
7761         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
7762         disambiguate_multiple_latches, get_loop_body_with_size,
7763         disambiguate_loops_with_multiple_latches): New functions.
7764         (flow_loop_dump): Dump multiple latch edges.
7765         (flow_loop_nodes_find): Handle loops with multiple latches.
7766         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
7767         (glb_enum_p): Modified.
7768         (get_loop_body): Use get_loop_body_with_size.
7769         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
7770         (AVOID_CFG_MODIFICATIONS): New constant.
7771         (disambiguate_loops_with_multiple_latches, add_loop,
7772         get_loop_body_with_size): Declare.
7773         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
7774
7775 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
7776
7777         PR inline-asm/28686
7778         * global.c (compute_regsets): New function.
7779         (global_alloc): Refactored ELIMINABLE_REGSET
7780         and NO_GLOBAL_ALLOC_REGS computation out.
7781         (rest_of_handle_global_alloc): Call compute_regsets()
7782         for non-optimizing case.
7783
7784 2007-02-06  Richard Henderson  <rth@redhat.com>
7785
7786         * config/i386/constraints.md (Y2): Rename from Y.
7787         (Yi): New constraint.
7788         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
7789         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
7790         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
7791         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
7792         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
7793         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
7794         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
7795         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
7796         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
7797         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
7798         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
7799         vec_extractv2si_1): Change Y constraints to Y2.
7800         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
7801         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
7802         Change Y constraints to Y2.
7803         (sse2_loadld): Change Y constraints to x.
7804
7805 2007-02-06  Roger Sayle  <roger@eyesopen.com>
7806
7807         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
7808         (parity<mode>2): New define_expand using rs6000_emit_parity.
7809         * config/rs6000/rs6000.c (rs6000_emit_popcount,
7810         rs6000_emit_parity): New functions.
7811         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
7812         rs6000_emit_parity): Prototype here.
7813
7814 2007-02-06  Ian Lance Taylor  <iant@google.com>
7815
7816         * lower-subreg.c (simple_move_operand): Reject CONST.
7817         (resolve_clobber): Call validate_change rather than directly
7818         assigning to XEXP (pat, 0).
7819
7820 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
7821
7822         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
7823         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
7824         (tree-cfg.o): Remove hashtab.h dependency.
7825
7826         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
7827         (struct ivopts_data): Change niters to pointer_map_t.
7828         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
7829         (niter_for_exit): Create pointer_map on demand.  Change for
7830         pointer_map API.
7831         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
7832         (free_loop_data): Destroy data->niters if created and reset field.
7833         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
7834         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
7835
7836         * tree-ssa-reassoc.c: Include pointer-set.h.
7837         (bb_rank): Change to long *.
7838         (operand_rank): Change to pointer_map_t.
7839         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
7840         (insert_operand_rank): Accept long.
7841         (operand_entry_hash, operand_entry_eq): Remove.
7842         (get_rank): Return long.  Adjust for changes above.
7843         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
7844         and operand_rank.
7845         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
7846
7847         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
7848         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
7849         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
7850         is not NULL.
7851         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
7852         directly since it cannot be NULL.
7853         (get_vi_for_tree): Rewrite for pointer_map API.
7854         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
7855         (init_alias_vars): Create vi_for_tree as pointer_map.
7856         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
7857
7858         * tree-cfg.c: Don't include hashtab.h.
7859         (edge_to_cases): Declare as pointer_map.
7860         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
7861         Delete.
7862         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
7863         (start_recording_case_labels): Create edge_to_cases as pointer_map.
7864         (end_recoding_case_labels): Cleanup edge_to_cases manually before
7865         destroying it.
7866         (record_switch_edge): Delete.
7867         (get_cases_for_edge): Adjust for pointer_map API, inline
7868         record_switch_edge (rewritten for new API), remove goto.
7869
7870 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
7871
7872         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
7873         * tree-nested.c: Include pointer-set.h.
7874         (var_map_elt, var_map_eq, var_map_hash): Delete.
7875         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
7876         to pointer_map_t's.
7877         (nesting_info_bitmap_obstack): New.
7878         (lookup_field_for_decl): Adjust for pointer_map API.
7879         (lookup_tramp_for_decl): Adjust for pointer_map API.
7880         (get_nonlocal_debug_decl): Adjust for pointer_map API.
7881         (get_local_debug_decl): Adjust for pointer_map API.
7882         (convert_nl_goto_reference): Adjust for pointer_map API.
7883         (convert_nl_goto_receiver): Adjust for pointer_map API.
7884         (create_nesting_tree): Create outside GGC space.  Create bitmap on
7885         the new obstack.  Create field_map and var_map as pointer_maps.
7886         (free_nesting_tree): Adjust for changes to create_nesting_tree.
7887         (root): Delete.
7888         (lower_nested_functions): Move root here, no need to NULL it.
7889         Initialize and release the obstack.
7890
7891 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
7892
7893         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
7894         Remove prototypes and make them non-static.
7895         (struct tree_int_map): Remove.
7896         * tree.h (struct tree_int_map): Move here, turning TO into an
7897         unsigned int.
7898         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
7899
7900         * tree.h (TREE_COMPLEXITY): Remove.
7901         (struct tree_exp): Remove complexity field.
7902         * tree.c (build1_stat): Don't set it.
7903
7904 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
7905             Victor Kaplansky  <victork@il.ibm.com>
7906
7907         * tree-vectorizer.c (vect_is_simple_use): Support induction.
7908         (vect_is_simple_reduction): Support reduction with induction as
7909         one of the operands.
7910         (vect_is_simple_iv_evolution): Fix formatting.
7911         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
7912         formatting.  Don't mark induction phis for vectorization.
7913         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
7914         * tree-vect-transform.c (get_initial_def_for_induction): New function.
7915         (vect_get_vec_def_for_operand): Support induction.
7916         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
7917         induction case.
7918         (vectorizable_reduction): Support reduction with induction as one of
7919         the operands.
7920         (vectorizable_type_demotion): Use def-type of stmt argument rather
7921         than dummy def-type.
7922
7923         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
7924         flag_tree_scev_cprop.
7925         * common.opt (tree-scev-cprop): New flag.
7926
7927         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
7928         call to vect_get_new_vect_var.
7929
7930 2007-02-06  Ira Rosen  <irar@il.ibm.com>
7931
7932         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
7933         vectype is not NULL.
7934         (vect_pattern_recog_1): Likewise.
7935
7936 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7937
7938         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
7939         (fold_negate_expr): Likewise.
7940
7941 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
7942
7943         PR debug/30189
7944         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
7945         even if cv-qualification is the same.
7946
7947 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
7948
7949         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
7950         __enable_execute_stack on completion.
7951
7952 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7953
7954         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
7955         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
7956         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
7957         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
7958         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
7959         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
7960         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
7961         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
7962
7963 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7964
7965         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
7966         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
7967         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
7968         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
7969         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
7970         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
7971         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
7972         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
7973         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
7974         umuldi3_highpart_rex64, umulsi3_highpart_insn,
7975         umulsi3_highpart_zext, smuldi3_highpart_rex64,
7976         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
7977         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
7978         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
7979         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
7980         sqrtextenddfxf2_i387): Added amdfam10_decode.
7981
7982         * config/i386/athlon.md (athlon_idirect_amdfam10,
7983         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
7984         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
7985         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
7986         athlon_ivector_store_amdfam10): New define_insn_reservation.
7987         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
7988         amdfam10.
7989
7990 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7991
7992         * config/i386/athlon.md (athlon_call_amdfam10,
7993         athlon_pop_amdfam10, athlon_lea_amdfam10): New
7994         define_insn_reservation.
7995         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
7996         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
7997         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
7998
7999 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8000
8001         * config/i386/athlon.md (athlon_sseld_amdfam10,
8002         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
8003         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
8004
8005 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8006
8007         * config/i386/athlon.md (athlon_sseins_amdfam10): New
8008         define_insn_reservation.
8009         * config/i386/i386.md (sseins): Added sseins to define_attr type
8010         and define_attr unit.
8011         * config/i386/sse.md: Set type attribute to sseins for insertq
8012         and insertqi.
8013
8014 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8015
8016         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
8017         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
8018         ssecomi_load_amdfam10, ssecomi_amdfam10,
8019         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
8020         define_insn_reservation.
8021         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
8022
8023 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8024
8025         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
8026         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
8027         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
8028         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
8029         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
8030         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
8031         define_insn_reservation.
8032
8033         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
8034         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
8035         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
8036         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
8037         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
8038
8039 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8040
8041         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
8042         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
8043         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
8044         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
8045         athlon_ssemul_load_k8): Added amdfam10.
8046
8047 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8048
8049         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
8050         (x86_sse_unaligned_move_optimal): New variable.
8051
8052         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
8053         m_AMDFAM10.
8054         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
8055         for unaligned vector SSE double/single precision loads for AMDFAM10.
8056
8057 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8058
8059         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
8060         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
8061         Define TARGET_CPU_DEFAULT_amdfam10.
8062         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
8063         (processor_type): Add PROCESSOR_AMDFAM10.
8064
8065         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
8066         processor_type in config/i386/i386.h.
8067         Enable imul peepholes for TARGET_AMDFAM10.
8068
8069         * config.gcc: Add support for --with-cpu option for amdfam10.
8070
8071         * config/i386/i386.c (amdfam10_cost): New variable.
8072         (m_AMDFAM10): New macro.
8073         (m_ATHLON_K8_AMDFAM10): New macro.
8074         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
8075         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
8076         x86_promote_QImode, x86_integer_DFmode_moves,
8077         x86_partial_reg_dependency, x86_memory_mismatch_stall,
8078         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
8079         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
8080         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
8081         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
8082         Enable/disable for amdfam10.
8083         (override_options): Add amdfam10_cost to processor_target_table.
8084         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
8085         processor_alias_table.
8086         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
8087         (ix86_adjust_cost): Add code for amdfam10.
8088
8089 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8090
8091         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
8092         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
8093         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
8094         * config/i386/i386.h: Add builtin definition for SSE4A.
8095         * config/i386/i386.md: Add support for ABM instructions
8096         (popcnt and lzcnt).
8097         * config/i386/sse.md: Add support for SSE4A instructions
8098         (movntss, movntsd, extrq, insertq).
8099         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
8100         Add -march=amdfam10 flag.
8101         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
8102         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
8103         and amdfam10.
8104         * doc/extend.texi: Add documentation for SSE4A builtins.
8105
8106 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
8107
8108         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
8109
8110 2007-02-05  Richard Guenther  <rguenther@suse.de>
8111
8112         * tree-vectorizer.h (vectorizable_function): Add argument type
8113         argument, change return type.
8114         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
8115         * tree-vect-transform.c (vectorizable_function): Handle extra
8116         argument, return vectorized function decl.
8117         (build_vectorized_function_call): Remove.
8118         (vectorizable_call): Handle calls with result and argument types
8119         differing.  Handle loop vectorization factor correctly.
8120         * targhooks.c (default_builtin_vectorized_function): Adjust for
8121         extra argument.
8122         * targhooks.h (default_builtin_vectorized_function): Likewise.
8123         * target.h (builtin_vectorized_function): Add argument type
8124         argument.
8125         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
8126         extra argument, allow vectorizing of lrintf.
8127         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
8128         documentation of target hook.
8129
8130 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
8131
8132         PR target/30665
8133         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
8134         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
8135         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
8136
8137 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8138
8139         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
8140         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
8141         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
8142         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
8143         before canonicalizing sincos to cexpi.
8144         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
8145
8146 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8147
8148         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
8149         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
8150         (alpha_init_builtins): Use alpha_add_builtins to process tables.
8151
8152 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8153
8154         * mips-tfile.c (initialize_init_file): Correct endianness test.
8155
8156 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
8157
8158         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
8159         the 'y' constraint.
8160
8161 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8162
8163         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
8164         saves in a PARALLEL before the register assignments.
8165
8166 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8167
8168         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
8169         DWARF_FRAME_RETURN_COLUMN to be a general register.
8170         * dwarf2out.c (init_return_column_size): New function, split from...
8171         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
8172         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
8173         to be nongeneral registers.
8174         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
8175         integer registers.
8176         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
8177         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
8178
8179 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8180
8181         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
8182
8183 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8184
8185         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
8186         (remove_path): Use can_remove_branch_p and remove_branch instead
8187         of loop_delete_branch_edge.
8188         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
8189         (tree_transform_and_unroll_loop): Remove dead branches immediately.
8190         Update profile using scale_dominated_blocks_in_loop.
8191         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
8192         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
8193         (can_remove_branch_p, remove_branch): Declare.
8194         * tree-cfg.c (tree_can_remove_branch_p): New function.
8195         (tree_cfg_hooks): Add tree_can_remove_branch_p.
8196         * cfgrtl.c (rtl_can_remove_branch_p): New function.
8197         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
8198
8199 2007-02-05  Jan Hubicka  <jh@suse.cz>
8200
8201         PR middle-end/30696
8202         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
8203         nodes in cgraph, don't remove offline copy of the function.
8204
8205 2007-02-04  Jan Hubicka  <jh@suse.cz>
8206
8207         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
8208         vectors might cause maybe_lookup_element_for_expr to be called
8209         on non-sra-candidate.
8210
8211 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8212
8213         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
8214         config/bfin/bfin.md, config/bfin/predicates.md: Follow
8215         spelling conventions.
8216
8217 2007-02-04  Richard Guenther  <rguenther@suse.de>
8218
8219         PR middle-end/30636
8220         * fold-const.c (try_move_mult_to_index): Make sure to not
8221         overflow one dimension of a multi-dimensional array access.
8222
8223 2007-02-04  Jan Hubicka  <jh@suse.cz>
8224
8225         * passes.c (init_optimization_passes): Reindent.
8226
8227 2007-02-04  Jan Hubicka  <jh@suse.cz>
8228             Eric Botcazou  <ebotcazou@adacore.com>
8229
8230         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
8231         (execute_fixup_cfg): Break out the abnormal goto code.
8232         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
8233         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
8234         (optimize_inline_calls): Call make_nonlocal_label_edges.
8235
8236 2007-02-04  Jan Hubicka  <jh@suse.cz>
8237
8238         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
8239         true when something was changed.
8240         (rename_ssa_copies): When something was changed, do
8241         TODO_remove_unused_locals.
8242         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
8243         add TODO_remove_unused_locals when instruction was removed.
8244
8245 2007-02-04  Jan Hubicka  <jh@suse.cz>
8246
8247         * ipa-inline.c (try_inline): Improve debug output; work on already
8248         inline edges too.
8249         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
8250         call try_inline for already inlined edges too when flattening;
8251         inline also functions that make callee growth but overall unit size
8252         reduce.
8253
8254 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8255
8256         * config/m32c/bitops.md, config/m32c/jump.md,
8257         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
8258         config/m32r/m32r.h, config/m32r/m32r.md,
8259         config/m32r/predicates.md, config/m68hc11/larith.asm,
8260         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
8261         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
8262         config/mips/mips-protos.h, config/mips/mips.c,
8263         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
8264         config/mn10300/mn10300.h, config/mn10300/predicates.md,
8265         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
8266         spelling conventions.
8267
8268         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
8269         Follow spelling conventions.
8270
8271 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
8272
8273         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
8274         warn about C++0x compatibility.
8275
8276 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8277
8278         * config/h8300/h8300.c, config/h8300/h8300.h,
8279         config/h8300/h8300.md: Follow spelling conventions.
8280
8281 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
8282
8283         PR middle-end/30667
8284         * combine.c (try_combine): Do not substitute source operand
8285         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
8286
8287 2007-02-03  Jan Hubicka  <jh@suse.cz>
8288
8289         PR gcov-profile/30650
8290         * value-prof.c (stringop_block_profile): Fix handling of size counter;
8291         do not divide by zero for never executed counters.
8292         (tree_find_values_to_profile): Fix counters.
8293         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
8294
8295 2007-02-03  Ian Lance Taylor  <iant@google.com>
8296
8297         * lower-subreg.c (simple_move_operand): New static function,
8298         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
8299         operands.
8300         (simple_move): Call simple_move_operand.
8301         (find_decomposable_subregs): Add special handling of MEMs.
8302         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
8303         meaning of return value.  If we see a hard register, test whether
8304         it can store a word_mode value.  Change all callers.
8305
8306 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8307
8308         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
8309         ftrapv insns and expanders.
8310         (subdi3): Change define_expand operand 1 to arith11_operand, and
8311         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
8312         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
8313         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
8314         respectively.
8315
8316         PR middle-end/30174
8317         * varasm.c (notice_global_symbol): Treat global objects as weak when
8318         flag_shlib is true.
8319
8320 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8321
8322         * emit-rtl.c (dconstpi): Delete.
8323         (dconstsqrt2): New.
8324         (init_emit_once): Delete dconstpi and init dconstsqrt2.
8325         * real.h (dconstpi): Delete.
8326         (dconstsqrt2): New.
8327         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
8328         (fold_builtin_hypot): Likewise.
8329
8330 2007-02-03  Tom Tromey  <tromey@redhat.com>
8331
8332         PR driver/30246
8333         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
8334         -gcoff3, -gxcoff3, -gvms3 implies -dD.
8335
8336 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
8337
8338         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
8339         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
8340         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
8341         config/rs6000/cell.md, config/rs6000/darwin.h,
8342         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
8343         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
8344         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
8345         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
8346         typos.  Follow spelling conventions.
8347         * doc/invoke.texi: Follow spelling conventions.
8348
8349 2007-02-03  Roger Sayle  <roger@eyesopen.com>
8350
8351         * simplify-rtx.c (simplify_relational_operation_1): Implement some
8352         canonicalization transformations that attempt to simplify integer
8353         constant comparisons to become comparisons against zero.
8354
8355 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8356
8357         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
8358         fabs(x)*sqrt(2).
8359         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
8360         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
8361
8362 2007-02-02  Mike Stump  <mrs@apple.com>
8363
8364         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
8365         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
8366         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
8367         generate a branch island.
8368
8369 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
8370
8371         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
8372         (xtensa_legitimate_address_p): New.
8373         (xtensa_legitimize_address): New.
8374         (xtensa_output_addr_const_extra): New.
8375         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
8376         (BASE_REG_P): New.
8377         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
8378         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
8379         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
8380         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
8381         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
8382         (xtensa_legitimize_address): New.
8383         (xtensa_output_addr_const_extra): New.
8384
8385 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
8386
8387         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
8388
8389 2007-02-02  Ian Lance Taylor  <iant@google.com>
8390
8391         * expmed.c (expand_divmod): Add comment.
8392
8393 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
8394
8395         * emit-rtl.c (renumber_insns): Remove.
8396         * flags.h: Remove the extern for flag_renumber_insns.
8397         * rtl.h: Remove the prototype for renumber_insns.
8398         * toplev.c (flag_renumber_insns): Remove.
8399
8400 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
8401
8402         Revert for x86 darwin:
8403         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
8404
8405         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
8406         code before the following patch under TARGET_MACHO.
8407         (ix86_function_value_regno_p): Likewise.
8408
8409 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8410
8411         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
8412         COMPLEX_EXPR.
8413
8414 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8415
8416         PR target/29682
8417         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
8418         general or fp registers.  Add comments.
8419         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
8420
8421 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
8422
8423         * pointer-set.c (insert_aux): Only return insertion slot.
8424         (pointer_set_insert): Adjust.
8425         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
8426         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
8427         pointer_map_traverse): New.
8428         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
8429         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
8430         pointer_map_contains, pointer_map_traverse): Declare.
8431
8432 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
8433
8434         PR middle-end/30473
8435         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
8436         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
8437
8438 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8439
8440         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
8441
8442         (struct _dep): New type.
8443         (dep_t): New typedef.
8444         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
8445         (DEP_STATUS): New access macro.  The macro with the same name was
8446         renamed to DEP_LINK_STATUS.
8447         (dep_init): Declare function
8448
8449         (struct _dep_link): New type.
8450         (dep_link_t): New typedef.
8451         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
8452         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
8453         (DEP_LINK_STATUS): New macro.
8454         (debug_dep_links): New debug function.
8455
8456         (struct _deps_list): New type.
8457         (deps_list_t): New typedef.
8458         (DEPS_LIST_FIRST): New access macro.
8459         (FOR_EACH_DEP_LINK): New cycle macro.
8460         (create_deps_list, free_deps_list, delete_deps_list): Declare
8461         functions.
8462         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
8463         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
8464         (copy_deps_list_change_con): Ditto.
8465
8466         (move_dep_link): Declare function.
8467
8468         (struct _dep_node): New type.
8469         (dep_node_t): New typedef.
8470         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
8471
8472         (struct haifa_insn_data.back_deps): New field to hold backward
8473         dependencies of the insn.
8474         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
8475         to deps_list_t.
8476         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
8477         Change its type to deps_list_t.
8478         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
8479         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
8480         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
8481
8482         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
8483
8484         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
8485
8486         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
8487         all callers.
8488         (dep_cost): Declare.
8489
8490         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
8491         (ds_to_dk, dk_to_ds): New functions.
8492
8493         (init_dep_1): New static function.
8494         (init_dep): New function.
8495         (copy_dep): New static function.
8496
8497         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
8498         functions.
8499         (detach_dep_link): New static function.
8500         (move_dep_link): New function.
8501
8502         (dep_links_consistent_p, dump_dep_links): New static functions.
8503         (debug_dep_links): New debugging function.
8504
8505         (deps_obstack, dl_obstack, dn_obstack): New static variables.
8506
8507         (alloc_deps_list, init_deps_list): New static functions.
8508         (create_deps_list): New function.
8509         (clear_deps_list): New static function.
8510         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
8511         (deps_list_consistent_p, dump_deps_list): New static functions.
8512         (debug_deps_list): New function.
8513         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
8514         functions.
8515         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
8516
8517         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
8518         use new scheduler dependencies lists.
8519         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
8520         (sched_analyze): Ditto.  Initialize dependencies lists.
8521         (add_forw_dep, compute_forward_dependences): Update to use new
8522         scheduler dependencies lists.
8523
8524         (init_dependency_caches): Init deps_obstack.
8525         (free_dependency_caches): Free deps_obstack.
8526
8527         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
8528         new scheduler dependencies lists.
8529         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
8530         (add_back_forw_dep, delete_back_forw_dep): Ditto.
8531
8532         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
8533         Update to use new scheduler dependencies lists.
8534         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
8535         (debug_dependencies): Ditto.
8536         (schedule_region): Update comments.
8537
8538         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
8539         scheduler dependencies lists.
8540         (schedule_ebb): Update comments.
8541
8542         * rtl.def (DEPS_LIST): Remove.
8543
8544         * lists.c (unused_deps_list): Remove.
8545         (free_list): Update assertions.
8546
8547         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
8548         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
8549
8550         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
8551         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
8552
8553         * haifa-sched.c (comments): Update.
8554         (insn_cost1): Remove.  Inline the code into insn_cost ().
8555         (insn_cost): Update to use new scheduler dependencies lists.  Move
8556         processing of the dependency cost to dep_cost ().
8557         (dep_cost): New function.  Use it instead of insn_cost () when
8558         evaluating cost of the dependency.  Use compatible interface to
8559         interact with the target.
8560         (priority): Update to use new scheduler dependencies lists.
8561         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
8562         with greater number of insns that depend on the insn.
8563         (schedule_insn): Update to use new scheduler dependencies lists.  Add
8564         code to free backward dependencies lists.  Inline and optimize code
8565         from resolve_dep () - see PR28071.
8566         (ok_for_early_queue_removal): Update to use new scheduler dependencies
8567         lists.  Update call to targetm.sched.is_costly_dependence hook.
8568
8569         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
8570         scheduler dependencies lists.
8571
8572         (resolve_dep): Remove.  Move the logic to schedule_insn ().
8573         (init_h_i_d): Initialize dependencies lists.
8574
8575         (process_insn_depend_be_in_spec): Rename to
8576         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
8577         dependencies lists.
8578         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
8579         Update to use new scheduler dependencies lists.
8580         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
8581
8582         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
8583         new scheduler dependencies lists.
8584         (build_intra_loop_deps): Ditto.
8585
8586         * target.h (struct _dep): Declare to use in
8587         gcc_target.sched.is_costly_dependence.
8588         (struct gcc_target.sched.adjust_cost): Fix typo.
8589         (struct gcc_target.sched.is_costly_dependence): Change signature to use
8590         single dep_t parameter instead of an equivalent triad.
8591         (struct gcc_target.sched.adjust_cost_2): Remove.
8592
8593         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
8594
8595         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
8596
8597         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
8598         documentation.
8599         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
8600
8601         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
8602         (REG_DEP_TRUE): Document.
8603
8604         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
8605         Change signature to correspond to the targetm.sched.adjust_cost hook.
8606         Update use in TARGET_SCHED_ADJUST_COST_2.
8607         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
8608         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
8609         new scheduler dependencies lists.
8610         (ia64_gen_check): Ditto.
8611
8612         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
8613         dependencies lists.
8614
8615         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
8616         signature to correspond to the targetm.sched.is_costly_dependence hook.
8617         (is_costly_group): Update to use new scheduler dependencies lists.
8618
8619         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
8620         instead of INSN_COST () macro.
8621
8622 2007-02-01  Ian Lance Taylor  <iant@google.com>
8623
8624         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
8625
8626 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
8627
8628         * pa.md (tp_load): Correct mfctl instruction syntax.
8629
8630 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
8631
8632         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
8633         altivec_padding_size calculation on AIX.  Improve comment, add
8634         assert to verify that it's right.
8635
8636         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
8637         64-bit.
8638
8639 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
8640
8641         PR inline-asm/28686
8642         * global.c (global_alloc): Add mising initialization of
8643         ELIMINABLE_REGSET.
8644
8645 2007-02-01  Roger Sayle  <roger@eyesopen.com>
8646
8647         * alias.c (init_alias_analysis): Correct whitespace.
8648         * bb-reorder.c (fix_edges_for_rarely_executed_code,
8649         partition_hot_cold_basic_blocks): Likewise.
8650         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
8651         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
8652         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
8653         fold_builtin_snprintf_chk, fold_builtin_printf,
8654         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
8655         do_mpfr_arg3, do_mpfr_sincos): Likewise.
8656         * cfgcleanup.c (cleanup_cfg): Likewise.
8657         * cfgexpand.c (tree_expand_cfg): Likewise.
8658         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
8659         * function.c (get_next_funcdef_no): Likewise.
8660         * gengtype.c (main): Likewise.
8661         * genmodes.c (main): Likewise.
8662         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
8663         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
8664         * ifcvt.c (noce_emit_move_insn): Likewise.
8665         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
8666         Likewise.
8667         * stor-layout.c (get_best_mode): Likewise.
8668         * tree-ssa-loop-niter.c (get_val_for): Likewise.
8669         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
8670         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
8671         perform_var_substitution, solve_graph): Likewise.
8672         * tree-vrp.c (vrp_finalize): Likewise.
8673
8674 2007-02-01  Ian Lance Taylor  <iant@google.com>
8675
8676         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
8677         high part of a paradoxical subreg, return a constant zero.
8678
8679 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
8680
8681         * toplev.c (lang_dependent_init): Call init_set_costs.
8682         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
8683
8684 2007-02-01  Richard Guenther  <rguenther@suse.de>
8685
8686         PR middle-end/30656
8687         * fold-const.c (fold_negate_expr): Allow negating a
8688         constant if overflow does not change.
8689
8690 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8691
8692         * doc/c-tree.texi (Expression trees): Improve markup.
8693         * doc/tm.texi (Register Classes, Addressing Modes)
8694         (Floating Point): Fix spacing after abbreviations.  Fix some
8695         typos.
8696
8697 2007-02-01  Ben Elliston  <bje@au.ibm.com>
8698
8699         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
8700         * doc/contrib.texi: Likewise.
8701         * doc/install.texi: Likewise.
8702
8703 2007-01-31  Richard Henderson  <rth@redhat.com>
8704             Ian Lance Taylor  <iant@google.com>
8705
8706         * lower-subreg.c: New file.
8707         * rtl.def (CONCATN): Define.
8708         * passes.c (init_optimization_passes): Add pass_lower_subreg and
8709         pass_lower_subreg2.
8710         * emit-rtl.c (update_reg_offset): New static function, broken out
8711         of gen_rtx_REG_offset.
8712         (gen_rtx_REG_offset): Call update_reg_offset.
8713         (gen_reg_rtx_offset): New function.
8714         * regclass.c: Revert patch of 2006-03-05, restoring
8715         reg_scan_update.
8716         (clear_reg_info_regno): New function.
8717         * dwarf2out.c (concatn_loc_descriptor): New static function.
8718         (loc_descriptor): Handle CONCATN.
8719         * common.opt (fsplit_wide_types): New option.
8720         * opts.c (decode_options): Set flag_split_wide_types when
8721         optimizing.
8722         * timevar.def (TV_LOWER_SUBREG): Define.
8723         * rtl.h (gen_reg_rtx_offset): Declare.
8724         (reg_scan_update): Declare.
8725         * regs.h (clear_reg_info_regno): Declare.
8726         * tree-pass.h (pass_lower_subreg): Declare.
8727         (pass_lower_subreg2): Declare.
8728         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
8729         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
8730         -fsplit-wide-types.
8731         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
8732         * Makefile.in (OBJS-common): Add lower-subreg.o.
8733         (lower-subreg.o): New target.
8734
8735 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
8736
8737         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
8738
8739 2007-01-31  Anatoly Sokolov <aesok@post.ru>
8740
8741         PR target/19087
8742         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
8743
8744 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8745
8746         PR middle-end/29335
8747         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
8748
8749 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
8750
8751         * cfgloop.h: Include vec-prim.h.
8752         (enum li_flags): Remove LI_ONLY_OLD.
8753         (loop_iterator): Changed.
8754         (fel_next, fel_init): Iterate over loop tree.
8755         (FOR_EACH_LOOP_BREAK): New macro.
8756         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
8757         FOR_EACH_LOOP.
8758         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
8759         * modulo-sched.c (sms_schedule): Ditto.
8760         * tree-vectorizer.c (vectorize_loops): Ditto.
8761         * doc/loop.texi: Update information on loop numbering and behavior of
8762         FOR_EACH_LOOP wrto new loops.
8763         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8764         add_to_evolution_1): Test nestedness of loops instead of comparing
8765         their numbers.
8766         * tree-chrec.c (chrec_fold_plus_poly_poly,
8767         chrec_fold_multiply_poly_poly, chrec_evaluate,
8768         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
8769         reset_evolution_in_loop): Ditto.
8770         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
8771
8772 2007-01-31  Dirk Mueller  <dmueller@suse.de>
8773
8774         * c-common.c (warn_about_parentheses): Separate warning about
8775         un-parenthized sequence of comparison operators from the one
8776         which is supposed to warn about x <= y <= z.
8777
8778 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
8779
8780         * optabs.h (enum optab_index): Add new OTI_isinf.
8781         (isinf_optab): Define corresponding macro.
8782         * optabs.c (init_optabs): Initialize isinf_optab.
8783         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
8784         patterns.
8785         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
8786         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
8787         using isinf_optab.
8788         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
8789         expand_builtin_interclass_mathfn.
8790         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
8791         * config/i386/i386.md (UNSPEC_FXAM): New constant.
8792         (fxam<mode>2_i387): New insn pattern.
8793         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
8794         built-in functions as x87 inline asm.
8795
8796 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
8797
8798         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
8799
8800 2007-01-30  Eric Christopher  <echristo@apple.com>
8801
8802         * config.gcc: Add geode.
8803
8804 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
8805
8806         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
8807         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
8808         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
8809         value-prof.c: Fix comment typos.
8810
8811 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8812
8813         PR c++/24745
8814         * doc/invoke.texi (Wpointer-arith): Document warning.
8815
8816 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
8817
8818         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
8819         the list of discrepancies from the draft TR.
8820
8821 2007-01-30  Dirk Mueller  <dmueller@suse.de>
8822
8823         PR c++/30601
8824         * doc/invoke.texi (-Wreturn-type): Update description to
8825         match new behavior.
8826
8827 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
8828
8829         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
8830
8831 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
8832
8833         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
8834         to handle optabs that operate on floating point input argument and
8835         output to integer output.
8836         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
8837         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
8838         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
8839         expand_builtin_interclass_mathfn ().
8840         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
8841         (ilogbsi2): Remove.
8842         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
8843         ilogbl built-in functions as x87 intrinsics.
8844
8845 2007-01-30  Richard Guenther  <rguenther@suse.de>
8846
8847         PR middle-end/27657
8848         * dwarf2out.c (reference_to_unused): Query varpool if the
8849         variable was output.
8850
8851 2007-01-30  Richard Guenther  <rguenther@suse.de>
8852
8853         PR middle-end/30313
8854         * passes.c (execute_one_pass): Reset in_gimple_form to not
8855         confuse non-unit-at-a-time mode.
8856
8857 2007-01-29  Roger Sayle  <roger@eyesopen.com>
8858             Richard Guenther  <rguenther@suse.de>
8859
8860         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
8861         avoid undefined behaviour on overflow.  Use force_fit_type_double
8862         to construct the constant with the specified TREE_OVERFLOW.
8863
8864 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
8865
8866         * config/dfp-bit.c: Add parameterized support for fp exceptions.
8867         * config/dfp-bit.h: Ditto.
8868
8869 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8870
8871         * c-decl.c (pop_scope): Replace warnings with call to
8872         warn_for_unused_label.
8873         * c-common.h (warn_for_unused_label): Declare.
8874         * c-common.c (warn_for_unused_label): Define.
8875
8876 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8877
8878         * tree-optimize.c (update_inlined_to_pointers): Delete unused
8879         function.
8880
8881 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
8882
8883         * Makefile.in (USER_H): Remove decfloat.h.
8884         * ginclude/decfloat.h: Delete, moving contents to ...
8885         * ginclude/float.h: Add support for decimal floating point,
8886         guarded by __STDC_WANT_DEC_FP__.
8887
8888 2007-01-29  Mike Stump  <mrs@apple.com>
8889
8890         * doc/gccint.texi (Top): Rename Loop Representation to Loop
8891         Analysis and Representation to resolve case insensitive conflict.
8892         * doc/loop.texi (Loop Analysis and Representation): Likewise.
8893
8894 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
8895
8896         * tree.h (struct tree_memory_tag): Add aliases member.
8897         (MTAG_ALIASES): New macro.
8898         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
8899         (add_may_alias): Remove pointer-set. Update for may_aliases being
8900         a bitmap.
8901         (mark_aliases_call_clobbered): Update for may_aliases being a
8902         bitmap.
8903         (compute_tag_properties): Ditto.
8904         (create_partition_for): Ditto.
8905         (compute_memory_partitions): Ditto.
8906         (dump_may_aliases_for): Ditto.
8907         (is_aliased_with): Ditto.
8908         (add_may_alias_for_new_tag): Ditto.
8909         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
8910         (compute_is_aliased): New function.
8911         (compute_may_aliases): Call compute_is_aliased).
8912         (init_alias_info): Initialize alias_bitmap_obstack.
8913         (union_alias_set_into): New function.
8914         (compute_flow_sensitive_aliasing): Use union_aliases_into.
8915         (have_common_aliases_p): Rewrite to take two bitmaps and use
8916         intersection.
8917         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
8918         Update for bitmaps.
8919         (finalize_ref_all_pointers): Update for add_may_alias changes.
8920         (new_type_alias): Ditto.
8921         * tree-flow-inline.h (may_aliases): Return a bitmap.
8922         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
8923         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
8924         may_aliases being a bitmap.
8925         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
8926         may_aliases now returns a bitmap.
8927         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
8928         being a bitmap.
8929         * tree-ssa-operands.c (add_virtual_operand): Update for
8930         may_aliases being a bitmap.
8931
8932 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
8933
8934         PR tree-optimization/30630
8935         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
8936         variable as changed.
8937
8938 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
8939
8940         PR c++/28266
8941         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
8942         expanded only once even if an error occurs.
8943
8944 2007-01-29  Ben Elliston  <bje@au.ibm.com>
8945
8946         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
8947         (__gcov_average_profiler): Likewise.
8948         (__gcov_ior_profiler): Likewise.
8949         (__gcov_merge_ior): Likewise.
8950
8951 2007-01-28  Jan Hubicka  <jh@suse.cz>
8952
8953         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
8954         * value-prof.c (stringop_block_profile): Likewise.
8955
8956 2007-01-28  Jan Hubicka  <jh@suse.cz>
8957
8958         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
8959         variant handling histograms; add wrapper.
8960         (clear_storage_via_libcall): Export.
8961         (emit_block_move_hints): Break out from ...; add histograms.
8962         (emit_block_move): ... this one.
8963         (clear_storage_hints): Break out from ...; add histograms.
8964         (clear_storage): ... this one.
8965         (set_storage_via_memset): Handle histogram.
8966         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
8967         (clear_storage_hints, clear_storage_via_libcall): Declare.
8968         (set_storage_via_setmem): Update prototype.
8969         * doc/md.texi (movmem, setmem): Document new arguments.
8970
8971         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
8972         new histograms.
8973         (stringop_block_profile): New global function.
8974         (tree_stringops_values_to_profile): Profile block size and alignment.
8975         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
8976         HIST_TYPE_IOR.
8977         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
8978         (stringop_block_profile): Declare.
8979         * builtins.c: Include value-prof.h.
8980         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
8981         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
8982         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
8983         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
8984         * profile.c (instrument_values): Add new counters.
8985         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
8986         calls.
8987         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
8988         (tree_init_edge_profiler): Build new profilers.
8989         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
8990         (pass_tree_profile): Add dump.
8991         (tree_profile_hooks): Update.
8992         * Makefile.in (LIBGCOV): Add new constants.
8993         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
8994         __gcov_ior_profiler): New.
8995         * i386.md (movmem/setmem expanders): Add new optional arguments.
8996
8997 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
8998
8999         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
9000
9001 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9002
9003         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
9004         (tree_unswitch_single_loop): Pass eni_size_weights to
9005         tree_num_loop_insns.
9006         * tree-ssa-loop-manip.c: Include tree-inline.h.
9007         (can_unroll_loop_p): Pass eni_size_weights to
9008         tree_num_loop_insns.
9009         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
9010         Pass eni_size_weights to estimate_num_insns.
9011         * tree.h (init_inline_once): Export.
9012         * toplev.c (backend_init): Call init_inline_once.
9013         * cgraphunit.c (cgraph_process_new_functions,
9014         cgraph_analyze_function): Pass eni_inlining_weights to
9015         estimate_num_insns.
9016         * ipa-inline.c (compute_inline_parameters): Ditto.
9017         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
9018         to estimate_num_insns.
9019         (try_unroll_loop_completely): Pass eni_size_weights to
9020         tree_num_loop_insns.
9021         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
9022         ot estimate_num_insns.
9023         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
9024         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
9025         * tree-inline.c (eni_inlining_weights, eni_size_weights,
9026         eni_time_weights): New variables.
9027         (init_inline_once): Initialize them.
9028         (struct eni_data): Mew.
9029         (estimate_num_insns_1, estimate_num_insns): Use weights.
9030         * tree-inline.h (struct eni_weights_d): New.
9031         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
9032         (estimate_num_insns): Declaration changed.
9033         * cfgloop.h (tree_num_loop_insns): Declaration changed.
9034         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
9035         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
9036
9037 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9038
9039         * tree-data-ref.c (conflict_fn): Assert that the number of affine
9040         relations in the conflict function is valid.
9041
9042 2007-01-27  Ian Lance Taylor  <iant@google.com>
9043
9044         * common.opt: Add fstrict-overflow.
9045         * opts.c (decode_options): Set flag_strict_overflow if -O2.
9046         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
9047         (TYPE_OVERFLOW_UNDEFINED): Define.
9048         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
9049         Replace all uses.
9050         * tree.h (TYPE_TRAP_SIGNED): Don't define.
9051         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
9052         (fold_negate_expr): Likewise.
9053         (make_range): Likewise.
9054         (extract_muldiv_1): Likewise.
9055         (maybe_canonicalize_comparison): Likewise.
9056         (fold_comparison): Likewise.
9057         (fold_binary): Likewise.
9058         (tree_expr_nonnegative_p): Likewise.
9059         (tree_expr_nonzero_p): Likewise.
9060         * tree-vrp.c (compare_values): Likewise.
9061         (extract_range_from_binary_expr): Likewise.
9062         (extract_range_from_unary_expr): Likewise.
9063         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
9064         Likewise.
9065         (nowrap_type_p): Likewise.
9066         * tree-scalar-evolution.c (simple_iv): Likewise.
9067         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
9068         (build_range_check): Likewise.
9069         (extract_muldiv_1): Likewise.
9070         (fold_comparison): Likewise.
9071         * tree-vrp.c (vrp_int_const_binop): Likewise.
9072         (extract_range_from_unary_expr): Likewise.
9073         * convert.c (convert_to_integer): Likewise.
9074         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
9075         (fold_comparison): Likewise.
9076         (fold_binary): Likewise.
9077         * optabs.c (optab_for_tree_code): Likewise.
9078         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
9079         * simplify-rtx.c (simplify_const_relational_operation): Check
9080         flag_strict_overflow and flag_trapv.
9081         (simplify_const_relational_operation): Likewise.
9082         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
9083         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
9084         -fstrict-overflow.
9085
9086 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9087
9088         * tree.c (tree_fold_gcd): Delete.
9089         * tree.h (tree_fold_gcd): Remove prototype.
9090         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
9091         test whether one constant integer is a multiple of another.  Instead
9092         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
9093         * fold-const.c (multiple_of_p):  We've determined both TOP and
9094         BOTTOM are integer constants so we can call int_const_binop directly
9095         instead of the more generic const_binop.
9096
9097 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9098
9099         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
9100         1*X check that the constant hasn't overflowed, to preserve the
9101         TREE_OVERFLOW bit.
9102         (round_up): Provide an efficient implementation when rouding-up an
9103         INTEGER_CST to a power-of-two.
9104
9105 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9106
9107         * doc/sourcebuild.texi: Add comma for clarity.
9108         * doc/extend.texi: Fix some typos.
9109         * doc/passes.texi: Likewise.
9110         * doc/cppinternals.texi: Likewise.
9111         * doc/c-tree.texi: Likewise.
9112         * doc/tree-ssa.texi: Likewise.
9113         * doc/install.texi: Likewise.
9114
9115 2007-01-27  Jan Hubicka  <jh@suse.cz>
9116
9117         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
9118         (pass_sra): Do not require alias information.
9119         * passes.c (init_optimization_passes): Add SRA
9120
9121 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
9122
9123         * tracer.c (rest_of_handle_tracer): We already cleaned
9124         up the CFG in tracer() so don't do it here again.
9125         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
9126         cleanup_cfg here, either.  And don't call renumber_insns.
9127
9128         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
9129         and BB_HEAD are in the insn stream here.  Instead make sure
9130         that BB_INSN is valid on all insns.  Also, do check here that
9131         there are no pending branch predictions...
9132         (rtl_verify_flow_info): ...instead of doing it here.  Checks
9133         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
9134         here.
9135
9136 2007-01-26  Roger Sayle  <roger@eyesopen.com>
9137
9138         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
9139         function to simplify/factorize operand order canonicalization.
9140         (ix86_fixup_binary_operands): Reorganize using the above function.
9141         (ix86_binary_operator_ok): Likewise.
9142
9143 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
9144
9145         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
9146         file scope from optimize_attrs.
9147         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
9148         up search.
9149         (optimize_attrs): Clear insn_code_values after freeing it.
9150
9151 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9152
9153         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
9154         a parts.base assignment.
9155
9156 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9157
9158         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
9159         (compute_subscript_distance, initialize_data_dependence_relation,
9160         finalize_ddr_dependent, analyze_ziv_subscript,
9161         analyze_siv_subscript_cst_affine,
9162         compute_overlap_steps_for_affine_univar,
9163         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
9164         analyze_siv_subscript, analyze_miv_subscript,
9165         analyze_overlapping_iterations, subscript_dependence_tester_1,
9166         compute_self_dependence, free_dependence_relation): Work
9167         with affine_fn instead of chrecs.
9168         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
9169         common_affine_function, affine_function_base,
9170         affine_function_constant_p, affine_fn_op, affine_fn_plus,
9171         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
9172         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
9173         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
9174         (all_chrecs_equal_p): Removed.
9175         * tree-data-ref.h (affine_fn, conflict_function): New types.
9176         (struct subscript): Change type of conflicting_iterations_in_a
9177         and conflicting_iterations_in_b.
9178
9179 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
9180
9181         PR other/30182
9182         * config/pa/pa.h (TARGET_HPUX_11): New.
9183         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
9184         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
9185
9186 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
9187         Richard Guenther  <rguenther@suse.de>
9188
9189         * tree-ssa-structalias.c (solve_graph): Handle case
9190         we merged the variable to another.
9191
9192 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9193
9194         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
9195         functions.
9196
9197         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
9198         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
9199
9200 2007-01-25  DJ Delorie  <dj@redhat.com>
9201
9202         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
9203         allow changes to modes which don't fit in those registers.
9204
9205         * reload1.c (choose_reload_regs): Check for invalid subregs before
9206         computing their locations, not after.
9207
9208 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
9209
9210         PR 25127
9211         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
9212         save Altivec registers in an eh_return function.
9213         (compute_vrsave_mask): Likewise.
9214         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
9215         for saving Altivec registers.
9216         (rs6000_emit_prologue): Don't allocate stack twice in
9217         eh_return function.  Correct expected value of altivec_save_offset
9218         when using save_world.  Describe save of R0 to stack when using
9219         save_world.  Describe stack pointer adjustment when using
9220         save_world.  Remove duplicated eh_return parameter register saving.
9221         Update sp_offset variable after save_world.
9222         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
9223         darwin-world.asm.
9224         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
9225         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
9226         implies Altivec.
9227
9228 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9229
9230         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
9231
9232 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9233
9234         PR other/30182
9235         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
9236         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
9237
9238 2007-01-25  Richard Guenther  <rguenther@suse.de>
9239
9240         * doc/invoke.texi (-Wcoverage-mismatch): Document.
9241         * common.opt (-Wcoverage-mismatch): New warning option.
9242         * coverage.c (get_coverage_counts): Ignore coverage mismatch
9243         if -Wcoverage-mismatch is given.
9244
9245 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
9246
9247         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
9248         (ipcp_driver): Change to static definition.
9249         Add dumping of the ifunctions.
9250         (constant_val_insert): Remove unused parameter. Support for SSA.
9251         (ipcp_propagate_const): Support for SSA.
9252         (ipcp_profile_bb_print): Print only analyzed nodes.
9253         (ipcp_replace_map_create): Remove support for Fortran constant
9254         for now.
9255         * ipa-prop.c (ipa_method_modify_stmt,
9256         ipa_callsite_compute_param): Support for SSA.
9257         * ipa-prop.h (ipcp_driver): Remove declaration.
9258         (IS_VALID_TREE_MAP_INDEX): Add define.
9259
9260 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
9261
9262         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
9263
9264 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9265
9266         PR middle-end/30447
9267         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
9268         constant argument to cabs and do it without checking for
9269         -funsafe-math-optimizations.
9270
9271 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
9272
9273         * c-common.h (RID_FIRST_CXX0X): New.
9274         (RID_LAST_CXX0X): New.
9275         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
9276         by -Wall.
9277         * c.opt (Wc++0x-compat): New.
9278         * doc/invoke.texi (-Wc++0x-compat): Document.
9279
9280 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9281
9282         * builtins.c (fold_builtin_carg): New.
9283         (fold_builtin_1): Use it.
9284
9285 2007-01-24  Jan Hubicka  <jh@suse.cz>
9286
9287         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
9288
9289         * ipa-inline.c (initial_insns, max_insns): Delete.
9290         (compute_max_insns): New function.
9291         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
9292         of insns as base for code growth.
9293         (cgraph_decide_inlining): Make initial_insns local; do not compute
9294         max_insns.
9295         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
9296         * doc/invoke.texi (inline-unit-growth): Update docs.
9297
9298 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
9299
9300         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
9301         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
9302         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
9303         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
9304         for CPUs that have PTA_CX16 set.
9305
9306         PR middle-end/27416
9307         * gimplify.c (omp_check_private): New function.
9308         (gimplify_scan_omp_clauses): Use it for
9309         firstprivate/lastprivate/reduction.
9310
9311         PR middle-end/30494
9312         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
9313         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
9314
9315         PR middle-end/30421
9316         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
9317         If lower_lastprivate_clauses emits some statements, append them
9318         to dlist rather than body_p and to body_p append an initializer.
9319         (lower_omp_for): Adjust caller.
9320
9321 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
9322
9323         * target.h (globalize_decl_name): New.
9324         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9325         * output.h (default_globalize_decl_name): New.
9326         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
9327         globalize_label.
9328         (globalize_decl): Ditto.
9329         (default_globalize_decl_name): New.
9330         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
9331         (ia64_handle_version_id_attribute): New.
9332         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9333         (ia64_asm_output_external): Use globalize_decl_name instead
9334         of globalize_label.
9335         * doc/extend.texi (version_id): New pragma.
9336         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
9337
9338 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9339
9340         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
9341         _uleb128_t and _Unwind_SWord with _sleb128_t.
9342         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
9343         uw_frame_state_for, uw_update_context_1): Likewise.
9344         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
9345         * unwind-pe.h (read_uleb128, read_sleb128,
9346         read_encoded_value_with_base): Likewise.
9347         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
9348
9349 2007-01-24  Richard Guenther  <rguenther@suse.de>
9350
9351         * builtins.c (expand_builtin_cexpi): Get the fndecl
9352         for cexp in the correct way.
9353
9354 2007-01-24  Jan Hubicka  <jh@suse.cz>
9355
9356         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
9357
9358 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9359
9360         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
9361         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
9362         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
9363         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
9364         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
9365         __SIZEOF_PTRDIFF_T__.
9366         * doc/cpp.texi: Documentation for the new builtin macros added.
9367
9368 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
9369
9370         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
9371         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
9372         instead of operands[2] to avoid access past the end of array.
9373
9374 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
9375
9376         * reload1.c (emit_reload_insns): Pass the reload register
9377         for a non-spill output reload through forget_old_reloads_1.
9378
9379 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
9380
9381         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
9382         _SOFT_DOUBLE if doubles use software floating-point.
9383         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
9384         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9385         * config/rs6000/darwin-ldouble.c: Also compile functions for
9386         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
9387         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9388         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
9389         commented-out long double override.
9390         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
9391         * config/rs6000/eabispe.h: Likewise.
9392         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
9393         long double for non-SPE.
9394         (rs6000_handle_option): Likewise.
9395         (invalid_e500_subreg): Disallow more subregs involding DImode,
9396         DFmode, TImode or TFmode.
9397         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
9398         E500 double.
9399         (legitimate_lo_sum_address_p): Also check for TFmode for E500
9400         double.
9401         (rs6000_legitimize_address): Also handle TFmode for E500 double.
9402         (rs6000_legitimize_reload_address): Also handle TFmode for E500
9403         double.
9404         (rs6000_legitimate_address): Also check for TFmode for E500
9405         double.
9406         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
9407         (spe_build_register_parallel): Handle TFmode and TCmode.
9408         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
9409         double.
9410         (function_arg): Handle TFmode and TCmode for E500 double.
9411         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
9412         in general.
9413         (print_operand): Handle TFmode and TImode for %y.
9414         (rs6000_generate_compare): Handle TFmode comparisons for E500
9415         double.
9416         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
9417         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
9418         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
9419         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
9420         TFmode for E500 double.
9421         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
9422         (floatsidf2): Enable for E500 double.
9423         (movtf_softfloat): Use rs6000_nonimmediate_operand.
9424         (extenddftf2): Change to extenddftf2_fprs.
9425         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
9426         depending on TARGET_E500_DOUBLE.
9427         (extendsftf2): Enable for E500 double.
9428         (trunctfdf2): Enable for E500 double.
9429         (trunctfsf2): Change to trunctfsf2_fprs.
9430         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
9431         depending on TARGET_E500_DOUBLE.
9432         (floatsitf2): Enable for E500 double.
9433         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
9434         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
9435         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
9436         (negtf2): Change to negtf2_internal.
9437         (negtf2): New expander.
9438         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
9439         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
9440         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
9441         (movdi_internal32): Use rs6000_nonimmediate_operand.
9442         (unnamed splitter): Likewise.
9443         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
9444         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
9445         (SPE64TF, DITI): New mode macros.
9446         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
9447         modes.
9448         (frob_tf_ti): New.
9449         (frob_<mode>_di_2): New.
9450         (frob_tf_di_8_2): New.
9451         (frob_di_df): Change to frob_di_<mode>; allow more modes.
9452         (frob_ti_tf): New.
9453         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
9454         more modes.
9455         (frob_ti_<mode>_8_2): New.
9456         (frob_ti_tf_2): New.
9457         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
9458         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
9459         TFmode.
9460         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
9461         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
9462         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
9463         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
9464         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
9465         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
9466         tsttflt_gp): New.
9467
9468 2007-01-23  Ian Lance Taylor  <iant@google.com>
9469
9470         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
9471         insn-*.o first.
9472         (OBJS-archive): Reformat, alphabetize.
9473         (OBJS): Change out_object_file to OBJS-md.
9474
9475 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
9476
9477         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
9478         JUMP_P and CALL_P predicates where applicable.
9479         * config/i386/i386.c: Ditto.
9480         * config/i386/i386.md: Ditto.
9481         * config/i386/mmx.md: Ditto.
9482         * config/i386/predicates.md: Ditto.
9483
9484 2007-01-22  Andreas Schwab  <schwab@suse.de>
9485
9486         * config/m68k/m68k.h: Fix comment.
9487
9488 2007-01-22  Jan Hubicka  <jh@suse.cz>
9489
9490         * passes.c (init_optimization_passes): Do not rerun
9491         pass_early_warn_uninitialized.
9492
9493 2007-01-22  Richard Guenther  <rguenther@suse.de>
9494
9495         PR tree-optimization/30038
9496         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
9497         function.
9498         (execute_cse_sincos_1): Likewise.
9499         (execute_cse_sincos): Likewise.
9500         (gate_cse_sincos): Likewise.
9501         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
9502         the cexpi() canonicalization of sincos().
9503         * tree-pass.h (pass_cse_sincos): Declare.
9504         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
9505
9506 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
9507
9508         PR rtl-optimization/29329
9509         * combine.c (replaced_rhs_insn): Rename to i2mod.
9510         (replaced_rhs_value): Rename to i2mod_new_rhs.
9511         (i2mod_old_rhs): New global variable.
9512         (combine_instructions): Adjust for above change.  Save a copy of
9513         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
9514         note are substituted in the second instruction.
9515         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
9516         ditch the note if it pertains to the second eliminated register
9517         and this register is mentioned in i2mod_old_rhs.
9518
9519         Revert:
9520         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
9521
9522         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
9523         the insn to which the note was originally attached.
9524
9525 2007-01-21  Jan Hubicka  <jh@suse.cz>
9526
9527         * ipa-inline.c (inlining_mode): Comment, move up.
9528         (cgraph_decide_inlining_incrementally): Do not perform inlining
9529         itself; fix handling of flattening of self recursive functions.
9530         (cgraph_find_cycles): Remove.
9531         (cgraph_flatten_node): Remove.
9532         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
9533         (try_inline): New function.
9534         (cgraph_early_inlining): Update call of
9535         cgraph_decide_inlining_incrementally.  Apply inlining here.
9536         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
9537
9538 2007-01-21  Dirk Mueller  <dmueller@suse.de>
9539
9540         PR bootstrap/30511
9541         * tree-vrp.c (check_array_bounds): do not warn
9542         about ADDR_EXPR's of ARRAY_REF's which are immediately
9543         used in binary expressions.
9544
9545 2007-01-21  Ira Rosen  <irar@il.ibm.com>
9546
9547         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
9548         read_write_dep and macros for its access.
9549         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
9550         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
9551         argument, call vect_check_interleaving for every independent pair of
9552         data-refs. Mark loads that access the same memory location as a store
9553         in the loop.
9554         (vect_check_dependences): Remove.
9555         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
9556         call, fix the call to vect_analyze_data_ref_dependence.
9557         (vect_analyze_data_ref_access): For statements that access the same
9558         data-ref, check that they are not stores; for loads, check that there
9559         is no store that access the same location.
9560
9561 2007-01-20  Roger Sayle  <roger@eyesopen.com>
9562             Joseph Myers  <joseph@codesourcery.com>
9563
9564         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
9565         (-fdump-rtl-stack): Likewise.
9566         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
9567         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
9568         (-mpt-fixed): Use @minus{} for minus sign.
9569         (Using Precompiled Headers): Fix under/overfull hbox.
9570
9571 2007-01-20  Jan Hubicka  <jh@suse.cz>
9572
9573         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
9574         place within annotation.
9575
9576 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9577
9578         * pa.c (output_move_double): Change array size of xoperands to 4.
9579
9580 2007-01-20  Jan Hubicka  <jh@suse.cz>
9581
9582         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
9583         as temporary.
9584
9585 2007-01-19  Ian Lance Taylor  <iant@google.com>
9586
9587         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
9588         constant to unsigned HOST_WIDE_INT before negating.
9589
9590 2007-01-19  Ian Lance Taylor  <iant@google.com>
9591
9592         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
9593         to unsigned.
9594         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
9595         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
9596         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
9597         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
9598         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
9599         (realloc_vdef, realloc_vuse): Change second parameter to
9600         unsigned.
9601         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
9602         fields to unsigned.
9603         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
9604         unsigned. Change x and lim locals to unsigned.
9605         (realloc_vdef, realloc_vuse): Change num_elem parameter to
9606         unsigned.
9607         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
9608         (copy_virtual_operands): Change i and n locals to unsigned.
9609
9610 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9611
9612         PR middle-end/29335
9613         * builtins.c (fold_builtin_1): Handle builtin fdim.
9614
9615 2007-01-20  Jan Hubicka  <jh@suse.cz>
9616
9617         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
9618         * tree-ssa-structalias.c (compute_points_to_sets): Do call
9619         init_alias_heapvars.
9620         (init_alias_heapvars): Initialize only when not already initialized.
9621         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
9622
9623 2007-01-19  Roger Sayle  <roger@eyesopen.com>
9624
9625         * common.opt (fsigned-zeros): New command line option.
9626         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
9627         of flag_unsafe_math_optimizations.
9628         * opts.c (set_fast_math_flags): The -ffast-math command line option
9629         implies -fno-signed-zeros.
9630         (fast_math_flags_set_p): Likewise.
9631
9632         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
9633         the documentation of -ffast-math appropriately.  Wrap long lines.
9634
9635 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
9636
9637         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
9638         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
9639
9640 2007-01-19  Tomas Bily  <tbily@suse.cz>
9641
9642         * cgraphunit.c (cgraph_finalize_function): Updating of pid
9643         * tree-profile.c:
9644         (tree_init_ic_make_global_vars): New function
9645         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
9646         (tree_gen_ic_profiler): New function
9647         (tree_gen_ic_func_profiler): New function
9648         (tree_profiling): Added calling of tree_gen_ic_func_profiler
9649         (tree_profile_hooks): Added hook for indirec/virtual calls
9650         * value-prof.c (tree_find_values_to_profile): New case for
9651         indirect calls
9652         (tree_values_to_profile): Call for determining indirect/virtual
9653         counters
9654         (tree_indirect_call_to_profile): New function
9655         (tree_ic_transform): New function
9656         (tree_ic): New function
9657         (find_func_by_pid): New function
9658         (init_pid_map): New function
9659         (tree_value_profile_transformations): Added check for
9660         indirect/virtual call transformation
9661         * value-prof.h (enum hist_type): New counter type for
9662         indirect/virtual calls
9663         (profile_hooks): Added new hook for profiling indirect/virtual
9664         calls
9665         * profile.c (instrument_values): New case for indirect/virtual
9666         call added
9667         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
9668         (GCOV_COUNTER_V_INDIR): New counter type
9669         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
9670         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
9671         call added
9672         * cgraph.c: Definition of cgraph_max_pid
9673         (cgraph_create_node): Default init of pid attribute
9674         * cgraph.h: Declaration of cgraph_max_pid
9675         (struct cgraph_node): Added pid attribute
9676         * libgcov.c (__gcov_indirect_call_profiler): New function
9677         (__gcov_one_value_profiler_body): New function
9678         (__gcov_one_value_profiler): Body was moved to
9679         __gcov_one_value_profiler_body and calls it
9680
9681 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
9682
9683         * doc/gty.texi (Options): Document the mark_hook option to GTY.
9684         * gengtype.c (write_types_data, write_func_for_structure,
9685         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
9686         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
9687         (walk_type, write_func_for_structure): Generate the mark_hook if
9688         needed.
9689
9690 2007-01-19  Jan Hubicka  <jh@suse.cz>
9691
9692         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
9693         'early' argument take inlining mode argument specifying whether to
9694         inline for size/speeed or all functions; add support for flattening;
9695         improve dumpting.
9696         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
9697
9698 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9699
9700         PR c++/17947
9701         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
9702         the name of the declared identifier.
9703
9704 2007-01-19  Dirk Mueller  <dmueller@suse.de>
9705
9706         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
9707         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
9708         duplicate evaluation.
9709
9710 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
9711
9712         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
9713         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
9714         to XFMode, use acosxf2 and truncate result to requested mode.
9715         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
9716         (asin<mode>2): Similarly, with asin expanders.
9717         (*fscalexf4_i387): Rename from *fscalexf4.
9718         (expNcorexf3): New expander.
9719         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
9720         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
9721         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
9722         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
9723         patterns for SSE math.
9724         (exp10<mode>2): Similarly, with exp10 expanders.
9725         (exp2<mode>2): Similarly, with exp2 expanders.
9726         (expm1<mode>2): Similarly, with expm1 expanders.
9727         (ldexp<mode>3): Similarly, with ldexp expanders.
9728         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
9729         Use gen_truncxf<mode>2_i387_noop to truncate result.
9730
9731 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9732
9733         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
9734         for ColdFire targets.
9735
9736 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
9737             Richard Sandiford  <richard@codesourcery.com>
9738
9739         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
9740         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
9741         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
9742         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
9743         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
9744         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
9745
9746 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9747
9748         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
9749         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
9750         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
9751         (*adddi_dilshr32_cf): New pattern.
9752         (adddi3, subdi3): Remove first alternatives.
9753
9754 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9755
9756         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
9757         implemented using move.l, do not use its cc result for floating-point
9758         comparisons.
9759
9760 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9761
9762         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
9763         from accepting 's' constraints if flag_pic.
9764
9765 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9766
9767         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
9768         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
9769         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
9770         condition from TARGET_68881 to TARGET_HARD_FLOAT.
9771
9772 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
9773
9774         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
9775         ColdFire alternatives.
9776         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
9777         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
9778         architectures that support ff1 instruction.
9779
9780 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9781             Julian Brown  <julian@codesourcery.com>
9782
9783         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
9784         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
9785         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
9786         Add commentary.
9787
9788 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9789
9790         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
9791         and return a bool.
9792         (output_move_const_into_data_reg, output_move_simode_const): Delete.
9793         * config/m68k/m68k.c (const_method, const_int_cost): Take a
9794         HOST_WIDE_INT instead of an rtx.
9795         (m68k_rtx_costs): Update call accordingly.
9796         (output_move_const_into_data_reg): Likewise.  Fix formatting.
9797         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
9798         Return a bool.
9799         (output_move_simode_const): Update calls after above changes.
9800         Rework to use automatic variables and predicates like MEM_P.
9801         * config/m68k/m68k.md (pushexthisi_const): Update call to
9802         valid_mov3q_const.
9803
9804 2007-01-19  Dirk Mueller  <dmueller@suse.de>
9805
9806         * tree-ssa-alias.c (perform_var_substitution): Fix typo
9807         in dump_flags test.
9808
9809 2007-01-19  Richard Guenther  <rguenther@suse.de>
9810
9811         * builtins.c (expand_builtin_cexpi): Fall back to expanding
9812         via cexp in case sincos is not available.
9813
9814 2007-01-19  Richard Guenther  <rguenther@suse.de>
9815
9816         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
9817         * defaults.h (TARGET_HAS_SINCOS): Default to off.
9818         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
9819         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
9820         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
9821         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
9822         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
9823         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
9824
9825 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
9826
9827         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
9828         New insn patterns.
9829         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
9830         (atan2xf3): Directly generate RTL pattern.
9831         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
9832         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
9833         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
9834         disable patterns for SSE math.
9835         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
9836         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
9837         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
9838         disable patterns for SSE math.
9839
9840 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
9841
9842         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
9843
9844 2007-01-18  Roger Sayle  <roger@eyesopen.com>
9845
9846         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
9847         VIEW_CONVERT_EXPR to the same type as it's operand.
9848
9849 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
9850
9851         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
9852         configured for long double 128.
9853
9854 2007-01-18  Mike Stump  <mrs@apple.com>
9855
9856         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
9857         error.
9858
9859 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
9860
9861         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
9862         type correct.
9863
9864 2007-01-18  Jan Hubicka  <jh@suse.cz>
9865
9866         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
9867         greater than NUM_VOP_FREE_BUCKETS.
9868
9869 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
9870
9871         * tree-ssa-structalias.c: Update comments.
9872         (ptabitmap_obstack): Removed.
9873         (pta_obstack): New.
9874         (oldpta_obstack): Ditto.
9875         (stats): Add a few members.
9876         (struct variable_info): Remove node, complex, address_taken, and
9877         indirect_target members. Add oldsolution member.
9878         (new_var_info): Do not initialize removed members.
9879         (constraint_expr_type): Remove INCLUDES.
9880         (constraint_graph): Add size, implicit_preds, rep,
9881         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
9882         (FIRST_REF_NODE): New macro.
9883         (LAST_REF_NODE): Ditto.
9884         (FIRST_ADDR_NODE): Ditto.
9885         (find): New function.
9886         (unite): Ditto.
9887         (dump_constraint): Do not handle INCLUDES.
9888         (insert_into_complex): Do not insert duplicate constraints.
9889         (condense_varmap_nodes): Renamed and rewritten into ...
9890         (merge_node_constraints): This. Also fix bug in handling of
9891         offseted copy constraints.
9892         (clear_edges_for_node): No longer need to deal with preds at all,
9893         or removing associated preds/succs.
9894         (merge_graph_nodes): Deal with indirect_cycles.
9895         Don't deal with predecessors.
9896         (add_implicit_graph_edge): New function.
9897         (add_pred_graph_edge): Ditto.
9898         (add_graph_edge): Don't deal with predecessors.
9899         (build_constraint_graph): Removed.
9900         (build_pred_graph): New function.
9901         (build_succ_graph): Ditto.
9902         (struct scc_info): Removed in_component. Added roots, dfs, and
9903         node_mapping. Remove visited_index, unification_queue.
9904         (scc_visit): Deal with union-find we do now.
9905         Deal with cycles with REF nodes.
9906         (collapse_nodes): Renamed and rewritten to ...
9907         (unify_nodes): This.
9908         (process_unification_queue): Removed.
9909         (topo_visit): Cleanup
9910         (do_da_constraint): Use find.
9911         (do_sd_constraint): Ditto.
9912         (do_ds_constraint): Ditto.
9913         (do_complex_constraint): Ditto.
9914         (init_scc_info): Update for removed and added members.
9915         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
9916         (find_indirect_cycles): This.
9917         (equivalence_class): New variable.
9918         (label_visit): New function.
9919         (perform_variable_substitution): Rewritten.
9920         (free_var_substitution_info): New function.
9921         (find_equivalent_node): Ditto.
9922         (move_complex_constraints): Ditto.
9923         (eliminate_indirect_cycles): Ditto.
9924         (solve_graph): Only propagate changed bits.
9925         Use indirect cycle elimination.
9926         Use find.
9927         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
9928         (tree_id_eq): Renamed to ...
9929         (tree_vi_eq): This. Update for member change
9930         (insert_id_for_tree): Renamed and rewritten to ...
9931         (insert_vi_for_tree): This.
9932         (lookup_id_for_tree): Renamed and rewritten to ...
9933         (lookup_vi_for_tree): This.
9934         (get_id_for_tree): Renamed and rewritten to ...
9935         (get_vi_for_tree): Ditto.
9936         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
9937         (process_constraint): Don't handle INCLUDES.
9938         Remove special ADDRESSOF case.
9939         (find_func_aliases): Rewrite to use vi functions instead of id
9940         ones.
9941         (create_function_info_for): Ditto.
9942         (create_variable_info_for): Ditto.
9943         (intra_create_variable_infos): Ditto.
9944         (merge_smts_into): Ditto.
9945         (find_what_p_points_to): Ditto.
9946         (init_base_vars): Ditto.
9947         (init_alias_vars): Ditto.
9948         (remove_preds_and_fake_succs): New function.
9949         (dump_sa_points_to_info): Dump new stats.
9950         (dump_solution_for_var): Use find.
9951         (set_used_smts): Fix formatting.
9952         (compute_points_to_sets): Updated for new functions.
9953         (ipa_pta_execute): Ditto.
9954
9955 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9956             Richard Sandiford  <richard@codesourcery.com>
9957
9958         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
9959         parallels.
9960         * calls.c (expand_call): If the return value is a PARALLEL,
9961         extract its first member.
9962         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
9963         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
9964         use FUNCTION_EXTRA_EPILOGUE.
9965         (m68k_function_value): Return a PARALLEL if the return value
9966         is of a pointer type.
9967         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
9968         (FUNCTION_EXTRA_EPILOGUE): Remove.
9969         * config/m68k/m68k.md (D0_REG): New constant.
9970
9971 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9972
9973         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
9974         output a NOP for empty epilogues.
9975
9976 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9977
9978         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
9979         before function.  Extend register save check to include all
9980         registers, not just integer ones.
9981
9982 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9983
9984         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
9985         (m68k_use_return_insn): ...this.
9986         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
9987         * config/m68k/m68k.c (use_return_insn): Rename to...
9988         (m68k_use_return_insn): ...this.
9989         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
9990         of USE_RETURN_INSN.
9991
9992 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9993
9994         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
9995         nearest even, fix denormal rounding overflow.
9996
9997 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9998
9999         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
10000         f%$smove and f%$move.
10001         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
10002         (extendsfdf2_cf): Use fdmove instead of f%&move.
10003         (truncdfsf2_cf): Use fsmove instead of f%$smove.
10004         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
10005
10006 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10007
10008         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
10009         GPR<-GPR moves.
10010
10011 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10012
10013         * real.h (real_format): Add a canonical_nan_lsbs_set field.
10014         (coldfire_single_format): Declare.
10015         (coldfire_double_format): Likewise.
10016         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
10017         of qnan_msb_set to determine the lower bits of a canonical
10018         NaN significand.
10019         (encode_ieee_double): Likewise.
10020         (encode_ieee_quad): Likewise.
10021         (ieee_single_format): Initialize canonical_nan_lsbs_set.
10022         (mips_single_format): Likewise.
10023         (ieee_double_format): Likewise.
10024         (mips_double_format): Likewise.
10025         (ieee_extended_motorola_format): Likewise.
10026         (ieee_extended_intel_96_format): Likewise.
10027         (ieee_extended_intel_128_format): Likewise.
10028         (ieee_extended_intel_96_round_53_format): Likewise.
10029         (ibm_extended_format): Likewise.
10030         (mips_extended_format): Likewise.
10031         (ieee_quad_format): Likewise.
10032         (mips_quad_format): Likewise.
10033         (vax_f_format): Likewise.
10034         (vax_d_format): Likewise.
10035         (vax_g_format): Likewise.
10036         (i370_single_format): Likewise.
10037         (i370_double_format): Likewise.
10038         (decimal_single_format): Likewise.
10039         (decimal_double_format): Likewise.
10040         (decimal_quad_format): Likewise.
10041         (c4x_single_format): Likewise.
10042         (c4x_extended_format): Likewise.
10043         (real_internal_format): Likewise.
10044         (coldfire_single_format): New real_format.
10045         (coldfire_double_format): Likewise.
10046         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
10047         canonical_nan_lsbs_set.
10048         (pdp11_d_format): Likewise.
10049         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
10050         if TARGET_COLDFIRE_CPU.
10051
10052 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10053
10054         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
10055         (output_call, m68k_legitimize_call_address): Declare.
10056         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
10057         parenthesees.  Add support for a 'W' constraint.
10058         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
10059         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
10060         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
10061         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
10062         variables.
10063         (override_options): Initialize them.  Do not set flag_no_function_cse
10064         for TARGET_ID_SHARED_LIBRARY.
10065         (m68k_output_pic_call): Delete.
10066         (m68k_legitimize_call_address): New function.
10067         (print_operand): Remove the %o prefix.  Handle the %p prefix.
10068         (output_call): New function.
10069         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
10070         target address from the GOT if symbolic jumps are not allowed.
10071         * config/m68k/m68k.md (call, general_operand): Do not set
10072         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
10073         Merge separate flag_pic and !flag_pic define_insns into...
10074         (*call, *call_value): ...these new patterns.  Match the address
10075         rather than the containing MEM and require it to be a call_operand.
10076         Use output_call to generate the asm template.
10077         * config/m68k/predicates.md (const_call_operand): New predicate.
10078         (call_operand): Likewise.
10079
10080 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10081
10082         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
10083         (STACK_GROWS_DOWNWARD): Define to 1.
10084         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
10085         comments, emphasizing that these values are only defaults.
10086         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
10087         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
10088
10089 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10090
10091         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
10092
10093 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10094             Richard Sandiford  <richard@codesourcery.com>
10095
10096         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
10097         (FP_REGNO_P): New macros.
10098         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
10099         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
10100         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
10101         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
10102
10103 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10104
10105         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10106         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
10107         to $tmake_file.
10108         * config/m68k/t-floatlib: New file, extracting common code from...
10109         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
10110         * config/m68k/t-uclinux: Here.
10111         * config/m68k/fpgnulib.c: Do not compile extendeed precision
10112         routines on ColdFire targets.
10113
10114 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10115
10116         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10117         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
10118         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
10119         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
10120         explicitly set MOTOROLA to 1.
10121         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
10122
10123 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10124             Nathan Sidwell  <nathan@codesourcery.com>
10125
10126         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
10127         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
10128         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
10129         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
10130         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
10131         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
10132         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
10133         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
10134         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
10135         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10136         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
10137         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
10138         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
10139         (DBX_REGISTER_NUMBER): Delete.
10140         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
10141         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10142         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
10143
10144 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10145
10146         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
10147         * config/flat.h: New file.
10148         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
10149         OBJECT_FORMAT_FLAT.
10150         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
10151         indirect references for -msep-data or -mid-shared-library.
10152         Do not use PC-relative code addresses either.
10153         * config/m68k/m68k.c (override_options): Restrict -fPIC error
10154         to -mpcrel.
10155         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
10156         for shared libraries and crt1.o for executables.  Use crti.o and
10157         crtbegin.o.
10158         (ENDFILE_SPEC): Use crtend.o and crtn.o.
10159         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
10160         Do not add -elf2flt or -shared-lib-id options here.
10161         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
10162         Pass -shared-lib-id if -mid-shared-library, taking the library
10163         identifier from -mshared-library-id if given, otherwise
10164         defaulting to 0.
10165         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
10166         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
10167         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
10168         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
10169         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
10170         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
10171         and crtend.o.
10172         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
10173         jump sequence for ISA A and ISA A+.
10174         (PICJUMP): Likewise.
10175
10176 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10177
10178         * config.gcc (m68k-*-uclinux*): Base the port on the common
10179         and m68k GNU/Linux files rather than on the generic ELF ones.
10180         * config/m68k/uclinux.h (TARGET_VERSION): Override.
10181         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
10182
10183 2007-01-18  Julian Brown  <julian@codesourcery.com>
10184             Richard Sandiford  <richard@codesourcery.com>
10185
10186         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
10187         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10188         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
10189         before redefining.
10190         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
10191         80 unconditionally.
10192         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10193
10194 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10195
10196         * doc/install.texi: Document m68k-uclinuxoldabi.
10197         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
10198         * config/m68k/uclinux-oldabi.h: New file, copied from
10199         config/m68k/uclinux.h.
10200
10201 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
10202
10203         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
10204         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
10205         (m32r_compute_frame_size): Use unsigned for regno.
10206         (m32r_reload_lr): Use gen_frame_mem.
10207         (pop): New.
10208         (m32r_output_function_epilogue): Don't output the function epilogue
10209         textually here.
10210         (m32r_expand_epilogue): New.
10211         (direct_return): Return false if the function has the interrupt
10212         attribute.
10213         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
10214         * config/m32r/m32r.md (epilogue): New expander.
10215         (return_lr, return_rte): New insns.
10216         (return): Make it expander.
10217         (return_normal): New expander.
10218
10219 2007-01-18  Josh Conner  <jconner@apple.com>
10220
10221         PR target/30485
10222         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
10223         support for UNLE, UNLT, UNGE, and UNGT.
10224
10225 2007-01-18  Jan Hubicka  <jh@suse.cz>
10226
10227         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
10228         * tree-tailcall (add_virtual_phis): Likewise.
10229         (optimize_tail_call): Return TODOs.
10230         (execute_tail_calls): Return TODOs.
10231         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
10232         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
10233         changed.
10234         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
10235         Cleanup cfg using TODO.
10236         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
10237         * passes.c (execute_function_todo): When cleanup did something, remove
10238         unused locals.
10239         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
10240         (make_edges): Don't cleanup_cfg.
10241
10242 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
10243
10244         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
10245         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
10246         operate on the top of stack.
10247         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
10248         register handling of instructions that output to the second
10249         stack slot.
10250         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
10251         (move_for_stack_reg): Special-case check for dead destination
10252         stack slot for constant load of 1.0 inside UNSPEC_TAN.
10253
10254         * config/i386/i386.md (UNSPEC_TAN): New constant.
10255         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
10256         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
10257         to correctly model move of constant 1.0 to top stack slot.
10258         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
10259         (unnamed peephole2 pattern): Remove corresponding peephole2
10260         pattern that optimizes tan insn and loading of constant 1.0.
10261         (tanxf2): Use fptanxf4_i387.
10262         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
10263         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
10264         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10265         disable patterns for SSE math.
10266         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
10267         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
10268
10269 2007-01-18  Dirk Mueller  <dmueller@suse.de>
10270             Richard Guenther <rguenther@suse.de>
10271
10272         PR diagnostic/8268
10273         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
10274         * common.opt (Warray-bounds): Add new warning option.
10275         * c-opts.c (c_common_handle_option): Define -Warray-bounds
10276         if -Wall is given.
10277         * Makefile.in: make tree-vrp.o depend on toplev.h
10278         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
10279         is enabled.
10280         (check_array_refs, check_array_bounds, check_array_ref): New.
10281
10282 2007-01-18  Jan Hubicka  <jh@suse.cz>
10283
10284         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
10285         (execute_ssa_ccp): Return flags conditionally.
10286         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
10287         changed.
10288         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
10289
10290 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
10291
10292         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
10293         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
10294
10295         * Makefile.c (GTFILES): Add cfglayout.h.
10296         * gengtype.c (open_base_files): Likewise.
10297         * cfglayout.c (cfg_layout_function_footer,
10298         cfg_layout_function_header) Reindent to make gengtype happy.
10299         * cfglayout.h (cfg_layout_function_footer,
10300         cfg_layout_function_header): Add GTY(()) marker.
10301
10302         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
10303
10304 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10305
10306         * genautomata.c (write_automata): Include xstrerror output in the
10307         error message if writing the DFA description file fails.
10308
10309 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
10310
10311         * config/mips/mips-protos.h (mips_output_external): Make it
10312         return void.
10313         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
10314         * config/mips/mips.c (irix_output_external_libcall): Likewise.
10315         (extern_list): Likewise.
10316         (extern_head): Likewise.
10317         (TARGET_ASM_FILE_END): Likewise.
10318         (mips_file_end): Likewise.
10319         (mips_output_external): Rewritten.
10320
10321 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10322
10323         * genpreds.c (write_insn_preds_c): Only write out the function
10324         body for regclass_for_constraint if we have register constraints.
10325
10326 2007-01-17  Tom Tromey  <tromey@redhat.com>
10327
10328         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
10329         * doc/install.texi (Testing): Use sourceware.org.
10330         (Binaries): Likewise.
10331         (Specific): Likewise.
10332         * doc/contrib.texi (Contributors): Use sourceware.org.
10333
10334 2007-01-17  Anatoly Sokolov <aesok@post.ru>
10335
10336         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
10337         (AVR_ENHANCED): Rename to ...
10338         (AVR_HAVE_MUL): ... new.
10339         (avr_enhanced_p): Rename to ...
10340         (avr_have_mul_p): ... new.
10341         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
10342         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
10343         * config/avr/avr.c (avr_enhanced_p): Rename to ...
10344         (avr_have_mul_p): ... new.
10345         (base_arch_s): Rename 'enhanced' to 'have_mul'.
10346         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
10347         'avr_enhanced_p' and 'enhanced'.
10348         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
10349         AVR_HAVE_MUL instead of AVR_ENHANCED.
10350         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10351         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
10352         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
10353         instead of AVR_ENHANCED.
10354         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10355         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
10356         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
10357
10358 2007-01-17  Ian Lance Taylor  <iant@google.com>
10359
10360         * vec.h (VEC_reserve_exact): Define.
10361         (vec_gc_p_reserve_exact): Declare.
10362         (vec_gc_o_reserve_exact): Declare.
10363         (vec_heap_p_reserve_exact): Declare.
10364         (vec_heap_o_reserve_exact): Declare.
10365         (VEC_OP (T,A,reserve_exact)): New static inline function, three
10366         versions.
10367         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
10368         negative parameter.
10369         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
10370         (VEC_OP (T,A,copy)) [all versions]: Likewise.
10371         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
10372         * vec.c (calculate_allocation): Add exact parameter.  Change all
10373         callers.
10374         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
10375         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
10376         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
10377         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
10378         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
10379         (vec_heap_p_reserve_exact): New function.
10380         (vec_heap_o_reserve_exact): New function.
10381
10382 2007-01-17  Jan Hubicka  <jh@suse.cz>
10383
10384         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
10385
10386 2007-01-17  Eric Christopher  <echristo@apple.com>
10387
10388         * config.gcc: Support core2 processor.
10389
10390 2007-01-16  Jan Hubicka  <jh@suse.cz>
10391
10392         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
10393         the names, just unlink the chain so we don't crash on dangling pointers
10394         to dead SSA names.
10395
10396 2007-01-16  Jan Hubicka  <jh@suse.cz>
10397
10398         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
10399         * tree-pass.h: Reorder to make IPA passes appear toegher.
10400         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
10401         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
10402         parameters, do not call early inliner.
10403         * ipa-inline.c: Update comments.  Include tree-flow.h
10404         (cgraph_decide_inlining): Do not compute inlining parameters.
10405         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
10406         be called with function context set up.
10407         (pass_ipa_inline): Remove unreachable functions before pass.
10408         (cgraph_early_inlining): Simplify assuming to be called from the
10409         PM as local pass.
10410         (pass_early_inline): New pass.
10411         (cgraph_gate_ipa_early_inlining): New gate.
10412         (pass_ipa_early_inline): Turn into simple wrapper.
10413         (compute_inline_parameters): New function.
10414         (gate_inline_passes): New gate.
10415         (pass_inline_parameters): New pass.
10416         (apply_inline): Move here from tree-optimize.c
10417         (pass_apply_inline): New pass.
10418         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
10419         transforming.
10420         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
10421         doing them by hand.
10422         (tree_function_versioning): Do not allocate dummy struct function.
10423         * tree-inline.h (optimize_inline_calls): Update prototype.
10424         * tree-optimize.c (execute_fixup_cfg): Export.
10425         (pass_fixup_cfg): Remove
10426         (tree_rest_of_compilation): Do not apply inlines.
10427         * tree-flow.h (execute_fixup_cfg): Declare.
10428         * Makefile.in (gt-passes.c): New.
10429         * passes.c: Include gt-passes.h
10430         (init_optimization_passes): New passes.
10431         (nnodes, order): New static vars.
10432         (do_per_function_toporder): New function.
10433         (execute_one_pass): Dump current pass here.
10434         (execute_ipa_pass_list): Don't dump current pass here.
10435
10436 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
10437
10438         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
10439         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
10440
10441 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
10442
10443         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
10444         (strong_alias): Define.
10445         (__gcc_qmul): Provide non-FMA for soft-float.
10446         (__gcc_qdiv): Same.
10447         (__gcc_qneg): New.
10448         (__gcc_qeq): New.
10449         (__gcc_qle): New.
10450         (__gcc_qge): New.
10451         (__gcc_qunord): New.
10452         (__gcc_stoq): New.
10453         (__gcc_dtoq): New.
10454         (__gcc_qtos): New.
10455         (__gcc_qtod): New.
10456         (__gcc_qtoi): New.
10457         (__gcc_qtou): New.
10458         (__gcc_itoq): New.
10459         (__gcc_utoq): New.
10460         (fmsub): New.
10461         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
10462         soft-float functions.
10463         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
10464         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
10465         about long double soft float.
10466
10467 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
10468             Tehila Meyzels  <tehila@il.ibm.com>
10469
10470         * tree-vectorizer.h (is_pattern_stmt_p): New.
10471         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
10472         formatting (tabs instead of spaces). Cleanup and clarify setting
10473         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
10474         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
10475         (vectorizable_type_demotion): Check that types are integral.
10476         (vectorizable_type_promotion): Likewise.
10477         (vectorizable_store): Fix typo.  Eliminate new-line at end of
10478         comments.
10479
10480 2007-01-16  Jan Hubicka  <jh@suse.cz>
10481
10482         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
10483         cgraph edges too.
10484
10485 2007-01-15  Eric Christopher  <echristo@apple.com>
10486
10487         * ifcvt.c: Include vec.h, vecprim.h.
10488         (check_cond_move_block): New argument regs.
10489         Reorganize. Add registers used to regs.
10490         (cond_move_process_if_block): Use regs set above as
10491         loop bounds.
10492
10493 2007-01-15  Eric Christopher  <echristo@apple.com>
10494
10495         * config/darwin.h: Update copyright.
10496         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
10497         (LINK_COMMAND_SPEC): Add -u.
10498         (LINK_SPEC): Fix umbrella for above.
10499
10500 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
10501
10502         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
10503         glibc CVS.
10504
10505 2007-01-15  Tom Tromey  <tromey@redhat.com>
10506
10507         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
10508         * doc/install.texi (Testing): Don't mention jacks.
10509         (Configuration): Document --enable-java-maintainer-mode.  Move
10510         --with-java-home to libgcj-specific section.  Document
10511         --with-ecj-jar.
10512         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
10513
10514 2007-01-15  Jan Hubicka  <jh@suse.cz>
10515
10516         * tree-ssa-dce.c (DCE_TODOs): New.
10517         (propagate_necessity): Return if something changed.
10518         (eliminate_unnecessary_stmts): Likewise.
10519         (perform_tree_ssa_dce): Return TODO flags when needed.
10520         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
10521
10522 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
10523
10524         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
10525         (fyl2x_extend<mode>xf3_i387): New insn pattern.
10526         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
10527         patterns using X87MODEF12 mode macro.  Extend operand 1
10528         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10529         (log10<mode>2): Ditto.
10530         (log2<mode>2): Ditto.
10531         (log1p<mode>2): Ditto.
10532         (logb<mode>2): Ditto.
10533         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
10534         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
10535         (*fxtractxf3_i387): Rename from *fxtractxf3.
10536         (fxtract_extend<mode>xf3_i387): New insn pattern.
10537         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
10538         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
10539         and gen_fyl2xxf3_i387().
10540
10541 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
10542
10543         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
10544         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
10545         get_loop_exit_edges.  Changed return type to bool.
10546         * cfgloop.h (fix_loop_placement): Declaration removed.
10547
10548 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
10549
10550         * param.h (MIN_VECT_LOOP_BOUND): New.
10551         * params.def (MIN_VECT_LOOP_BOUND): New.
10552         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
10553         argument - minimum threshold for number of iterations.
10554         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
10555         argument to declaration.
10556         * tree-vect-analyze.c (vect_analyze_operations): Check value of
10557         MIN_VECT_LOOP_BOUND.
10558         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
10559         slpeel_tree_peel_loop_to_edge with additional argument.
10560         (vect_do_peeling_for_alignment): Likewise.
10561         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
10562
10563 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
10564
10565         PR target/30413
10566         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
10567         operands of size 1.
10568
10569 2007-01-14  Jan Hubicka  <jh@suse.cz>
10570
10571         * tree-dfa.c (remove_referenced_var): New function.
10572         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
10573         prune referenced vars list too.
10574         * tree-flow.h (remove_referenced_var): Declare.
10575
10576 2007-01-14  Jan Hubicka  <jh@suse.cz>
10577
10578         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
10579         separately.
10580         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
10581         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
10582         * except.h (verify_eh_throw_table_statements): Kill prototype.
10583         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
10584         into call exrepssions.
10585         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
10586         eh trhow verifier.
10587         * tree-cfg.c: Include pointer-set.h.
10588         (verify_node_sharing): Work on pointer set.
10589         (verify_eh_throw_stmt_node): New.
10590         (verify_stmts): Use pointers sets, verify throw_stmt.
10591
10592 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
10593
10594         * ipa-reference.c (analyze_function): Consider also addresses taken
10595         in phi nodes.
10596
10597 2007-01-12  Roger Sayle  <roger@eyesopen.com>
10598
10599         * c-typeck.c (null_pointer_constant_p): Replace use of
10600         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10601         (build_c_cast): Likewise.
10602
10603 2007-01-12  Roger Sayle  <roger@eyesopen.com>
10604
10605         * tree.h (force_fit_type_double): Remove unused final argument.
10606         * c-common.c (constant_expression_warning): Replace use of
10607         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10608         (convert_and_check): Likewise.
10609         (shorten_compare): Update call to force_fit_type_double.
10610         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
10611         * convert.c (convert_to_pointer): Update call to
10612         force_fit_type_double.
10613         * fold-const.c (force_fit_type_double): Remove overflowed_const
10614         argument.
10615         (int_const_binop, fold_convert_const_int_from_int,
10616         fold_convert_const_int_from_real, fold_div_compare,
10617         fold_sign_changed_comparison, fold_unary, fold_negate_const,
10618         fold_abs_const, fold_not_const): Remove the final argument from
10619         calls to force_fit_type_double.
10620
10621 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10622
10623         * configure.ac: Set insn to "nop" for spu-*-* also.
10624         * configure: Regenerate.
10625
10626 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
10627
10628         * builtins.def : Add BUILT_IN_FREE.
10629
10630 2007-01-12  Jan Hubicka  <jh@suse.cz>
10631
10632         PR tree-optimization/30443
10633         * tree-inline.c (tree_function_versioning): Do not optimize when
10634         cloning for inlining.
10635
10636 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
10637
10638         * doc/loop.texi: Document recording of loop exits.
10639         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
10640         (update_single_exits_after_duplication,
10641         update_single_exit_for_duplicated_loop,
10642         update_single_exit_for_duplicated_loops): Removed.
10643         (duplicate_loop_to_header_edge): Do not call
10644         update_single_exits_after_duplication and
10645         update_single_exit_for_duplicated_loops.
10646         (loop_version): Do not update single_exit information.
10647         (fix_loop_structure): Use record_loop_exits instead of
10648         mark_single_exit_loops.
10649         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
10650         the lists of loop exits.
10651         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
10652         split_edge, merge_blocks): Update the lists of loop exits.
10653         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
10654         loop_optimizer_init.
10655         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
10656         of mark_single_exit_loops.
10657         (loop_optimizer_finalize): Call release_recorded_exits.
10658         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
10659         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
10660         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
10661         update single exit information.
10662         * lambda-code.c (perfect_nestify): Ditto.
10663         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
10664         (mark_single_exit_loops): Removed.
10665         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
10666         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
10667         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
10668         functions.
10669         (get_loop_exit_edges, single_exit): Use recorded exit lists.
10670         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
10671         (verify_loop_structure): Verify consistency of the exit lists.
10672         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
10673         (set_single_exit): Removed.
10674         * cfgloop.h (struct loop_exit): New function.
10675         (struct loop): single_exit_ field replaced by exits field.
10676         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
10677         (struct loops): Added exits hash.
10678         (mark_single_exit_loops, set_single_exit): Declaration removed.
10679         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
10680
10681 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10682
10683         * doc/invoke.texi: Avoid use of @headitem.
10684
10685 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10686
10687         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
10688
10689 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10690
10691         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
10692         list of targets.
10693
10694 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
10695             Richard Sandiford  <richard@codesourcery.com>
10696
10697         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
10698         * config/m68k/m68k.opt: Resort options.
10699         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
10700
10701 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
10702             Richard Sandiford  <richard@codesourcery.com>
10703
10704         * doc/invoke.texi: Document the macros that are defined by
10705         m68k's -mtune and -mhard-float options.
10706         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
10707         (m68k_cpp_cpu_family): Likewise.
10708         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
10709         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
10710         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
10711         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
10712         (m68k_cpp_cpu_family): Likewise.
10713
10714 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10715
10716         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
10717         macros besides mc68000 as tuning macros.  Use a switch statement
10718         to set them and mcpu32.
10719
10720 2007-01-12  Julian Brown  <julian@codesourcery.com>
10721
10722         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
10723         (TARGET_68040_ONLY): Rename to...
10724         (TARGET_68040): ...this.
10725         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
10726         * config/m68k/m68k.md: Likewise.
10727
10728 2007-01-12  Julian Brown  <julian@codesourcery.com>
10729             Nathan Sidwell  <nathan@codesourcery.com>
10730             Richard Sandiford  <richard@codesourcery.com>
10731
10732         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
10733         the -mcpu= argument associated with the --with-cpu setting.
10734         Define M68K_DEFAULT_TUNE to the default -mtune= option,
10735         if different from the one implied by the -mcpu setting.
10736         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
10737         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
10738         * doc/invoke.texi: Mention ColdFire in the introduction to the
10739         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
10740         -mno-div and -mhard-float options.  Make -m68881 a synonym for
10741         -mhard-float.  Document the previously-undocumented -m5206e,
10742         -m528x, -m5307 and -m5407 options.  Tweak the existing option
10743         documentation for consistency.
10744         * doc/install.texi: Mention new --with-cpu arguments.
10745         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
10746         default CPU if neither -mcpu nor -march are specified.
10747         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
10748         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
10749         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
10750         using m68k_tune to decide between families that implement the
10751         same ISA.  Use m68k_tune to set __mcfv4e__.
10752         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
10753         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
10754         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
10755         (FL_ISA_C, FL_ISA_MMU): New macros.
10756         (MASK_COLDFIRE): Delete.
10757         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
10758         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
10759         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
10760         (TARGET_HARD_FLOAT): Do not define here.
10761         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
10762         (TUNE_68000): New macro.
10763         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
10764         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
10765         (TUNE_CFV2): Redefine in terms of m68k_tune.
10766         (uarch_type, target_device, fpu_type): New enums.
10767         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
10768         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
10769         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
10770         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
10771         (FL_FOR_isa_c): New macros.
10772         (m68k_isa): New enum.
10773         (m68k_target_selection): New structure.
10774         (all_devices, all_isas, all_microarchs): New tables.
10775         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
10776         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
10777         (MASK_ALL_CPU_BITS): Delete.
10778         (m68k_find_selection): New function.
10779         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
10780         Map the legacy target options to a combination of the new ones.
10781         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
10782         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
10783         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
10784         settings.
10785         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
10786         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
10787         properties.
10788         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
10789         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
10790         * config/m68k/m68k-devices.def: New file.
10791
10792 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10793             Nathan Sidwell  <nathan@codesourcery.com>
10794
10795         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
10796         (SUBTARGET_EXTRA_SPECS): New macros.
10797         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
10798         use %(asm_cpu_spec) instead.
10799         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
10800         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
10801         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
10802         (EXTRA_SPECS): Rename to...
10803         (SUBTARGET_EXTRA_SPECS): ...this.
10804
10805 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
10806             Richard Sandiford  <richard@codesourcery.com>
10807             Julian Brown  <julian@codesourcery.com>
10808
10809         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10810         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
10811         to the configuration's default CPU.
10812         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
10813         Remove default masks.
10814         (m680[012]0-*-*): Set the default with_cpu to the first part of
10815         the target name.
10816         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
10817         (m68k*-*-linux): Extend the --with-cpu handling to...
10818         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
10819         and m68010.  Don't set target_cpu_default2.
10820         * doc/install.texi: Document --with-cpu for m68k.
10821         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
10822         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
10823         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
10824         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
10825         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
10826         (ASM_SPEC): Remove use of %(asm_cpu_default).
10827         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
10828         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
10829         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
10830         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
10831         __HAVE_FPU__ if TARGET_HARD_FLOAT.
10832         (TARGET_DEFAULT): Delete.
10833         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
10834         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
10835         (CPP_CPU_SPEC): Delete.
10836         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
10837         the appropriate string.
10838         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
10839         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
10840         (ASM_SPEC): Don't use %(asm_default_spec).
10841         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10842         TARGET_DEFAULT and add MASK_68881.
10843         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
10844
10845 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10846
10847         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
10848         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
10849         MASK_68010 alongside MASK_68020.
10850         * doc/invoke.texi: Document -m68010.
10851         * config/m68k/m68k.opt (m68010): New.
10852         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
10853         if TUNE_68010.
10854         (TUNE_68010): New macro.
10855         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
10856         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
10857         (M68K_CPU_m68332): Add MASK_68010.
10858         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
10859         fallback definition.
10860         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
10861         defines.
10862         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
10863         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
10864         to all entries that use MASK_68020.
10865         (output_move_simode_const, output_move_himode, output_move_qimode)
10866         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
10867         instead of TARGET_68020 to select clr behavior.  Remove comment
10868         about there being no TARGET_68010.
10869         * config/m68k/m68k.md: Likewise throughout.
10870
10871 2007-01-12  Julian Brown  <julian@codesourcery.com>
10872
10873         * config/m68k/m68k.h (TARGET_ISAB): New macro.
10874         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
10875         * config/m68k/m68k.md: Likewise.
10876
10877 2007-01-12  Julian Brown  <julian@codesourcery.com>
10878
10879         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
10880         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
10881
10882 2007-01-12  Julian Brown  <julian@codesourcery.com>
10883
10884         * config/m68k/m68k.h (TUNE_68040_60): New macro.
10885         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
10886         * config/m68k/m68k.md: Likewise.
10887
10888 2007-01-12  Julian Brown  <julian@codesourcery.com>
10889             Richard Sandiford  <richard@codesourcery.com>
10890
10891         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
10892         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
10893         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
10894         TARGET_CPU32.
10895         (TARGET_CPU32): Rename to...
10896         (TUNE_CPU32): ...this.
10897         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
10898         (TUNE_CFV2): New macros.
10899         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
10900         remove conditions that are implied by TARGET_68020.
10901         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
10902         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
10903         (m68k_output_function_epilogue): Likewise.
10904         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
10905         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
10906         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
10907         non-68000 timings.  Refactor multiplication and division costs.
10908         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
10909         TUNE_CPU32 instead of TARGET_CPU32.
10910         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
10911         and TUNE_68060 instead of TARGET_68060.
10912         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
10913         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
10914         TARGET_CPU32.
10915         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
10916         && !TARGET_COLDFIRE" to choose between moveq and clr.
10917         Likewise in the unnamed movsf pattern.
10918         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
10919         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
10920         ashiftrt pattern.
10921
10922 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10923
10924         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
10925         of tabbing before backslashes.
10926
10927 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10928
10929         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
10930         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
10931         (ASM_OUTPUT_INTERNAL_LABEL): Define.
10932
10933 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
10934
10935         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
10936         find_interesting_uses_cond.
10937         (find_interesting_uses_cond): Use extract_cond_operands.
10938         (rewrite_use_compare): Use extract_cond_operands and
10939         force_gimple_operand_bsi.  Do not call update_stmt.
10940         (determine_use_iv_cost_condition): Use extract_cond_operands.
10941         Return cheaper of using original bound and changing the exit bound.
10942
10943 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
10944
10945         PR tree-optimization/29516
10946         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
10947         most_expensive_mult_to_index, addr_to_parts,
10948         create_mem_ref, maybe_fold_tmr): Make the type of
10949         fields of TARGET_MEM_REF sizetype.
10950         (move_fixed_address_to_symbol, move_pointer_to_base):
10951         New functions.
10952         * tree.def (TARGET_MEM_REF): Add comment on types of
10953         the operands.
10954
10955 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
10956
10957         * c-common.c (vector_types_convertible_p): Treat opaque types as
10958         always convertible if they have the same size, but not otherwise.
10959
10960 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
10961
10962         * ifcvt.c (struct noce_if_info): Add comments to the fields.
10963         Remove the b_unconditional field.
10964         (noce_try_sign_mask): Do not look at b_unconditional.
10965         (noce_process_if_block): Do not use merge_if_blocks.  Update
10966         the CFG here.  Do not set b_unconditional.
10967         (cond_move_process_if_block): Likewise.
10968         (find_cond_trap): Likewise.
10969         (check_cond_move_block): Require simple jump insns at the end
10970         of the basic block.
10971
10972 2007-01-11  Jan Hubicka  <jh@suse.cz>
10973
10974         PR tree-optimization/1046
10975         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
10976         when alias info is not ready.
10977         (pass_tail_recursion): Do not require aliasing.
10978         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
10979         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
10980         * tree-ssa-copy.c (pass_copy_prop): Likewise.
10981         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
10982         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
10983         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
10984         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
10985         before inlining.
10986         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
10987         When aliasing is not build, mark statement as volatile.
10988
10989 2007-01-11  Tom Tromey  <tromey@redhat.com>
10990
10991         PR preprocessor/15185, PR preprocessor/20989:
10992         * doc/cppopts.texi <-MT>: Update description of algorithm for
10993         computing default target.
10994         <-M, -MD>: Reword "basename" text.
10995
10996 2007-01-11  Roger Sayle  <roger@eyesopen.com>
10997
10998         * builtins.c (expand_builtin_pow, expand_builtin_powi,
10999         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
11000         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
11001         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
11002         fold_builtin_bswap, real_constp, fold_builtin_pow,
11003         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
11004         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
11005         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11006         * convert.c (convert_to_pointer): Likewise.
11007         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
11008         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
11009         const_binop, fold_convert_const_int_from_int,
11010         fold_convert_const_int_from_real,
11011         fold_convert_const_real_from_real, sign_bit_p,
11012         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
11013         fold_sign_changed_comparison, fold_unary, fold_comparison,
11014         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
11015         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
11016         * print-tree.c (print_node_brief, print_node): Likewise.
11017         * stor-layout.c (place_field, layout_type): Likewise.
11018         * tree-chrec.c (keep_cast): Likewise.
11019         * tree.c (build_vector, build_real, build_real_from_int_cst,
11020         build_complex): Likewise.
11021
11022 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11023
11024         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
11025         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
11026
11027 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
11028
11029         * configure.ac (strict1_warn): Rename to strict_warn.
11030         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
11031         cc_set_by_configure, quoted_cc_set_by_configure,
11032         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
11033         all_boot_languages, all_stagestuff): Remove.
11034         (target_list): Remove bootstrap targets.
11035         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
11036         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
11037         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
11038         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
11039         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
11040         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
11041         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
11042         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
11043         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
11044         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
11045         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
11046         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
11047         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
11048         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
11049         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
11050         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
11051         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
11052         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
11053         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
11054         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
11055         (mostlyclean): Adjust.
11056         (clean, distclean): Don't mention bootstrap stuff.
11057         * configure: Regenerate.
11058         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
11059         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
11060         treelang/config-lang.in (stagestuff): Remove.
11061         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
11062         stageprofile, stagefeedback, stagestuff): Remove mention.
11063
11064 2007-01-11  Nick Clifton  <nickc@redhat.com>
11065
11066         * config/mcore/predicates.md (mcore_general_movesrc_operand):
11067         Accept CONSTs.
11068         (mcore_general_movdst_operand): Do not accept CONST_INTs.
11069         (mcore_arith_K_S_operand): Run the test for the S constraint not
11070         the test for the M constraint.
11071         (mcore_addsub_operand): Do not accept integer values that are
11072         larger than 32 bits.
11073         * config/mcore/mcore.md: Remove unused constraints from split.
11074         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
11075         (addsi3): Likewise.
11076         (allocate_stack): Likewise.
11077         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
11078         operands to 32 bits.
11079         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
11080         INTVAL.
11081         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
11082         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
11083         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
11084         mcore_output_bclri, mcore_output_andn, output_inline_const,
11085         mcore_output_move, mcore_output_movedouble): Likewise.
11086         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
11087         (output_inline_const): Likewise.
11088         (output_inline_const): Fix format strings used in sprintf
11089         statements.
11090         * config/mcore/mcore-protos.h: Update prototypes for changed
11091         functions in mcore.c.
11092         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
11093         HOST_WIDE_INT and not int.
11094         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
11095         CONST_OK_FOR_N): Likewise.
11096         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
11097         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
11098         an INTVAL.
11099
11100 2007-01-10  Jan Hubicka  <jh@suse.cz>
11101
11102         * tree-vrp.c (remove_range_assertions): Release defs.
11103         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
11104         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
11105
11106 2007-01-10  Paul Brook  <paul@codesourcery.com>
11107
11108         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
11109         * config/arm/arm.md (mulsi3subsi): New insn.
11110
11111 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
11112
11113         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
11114         (tree_transform_and_unroll_loop): New.
11115         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
11116         Declare.
11117
11118 2007-01-10  Robert Kennedy <jimbob@google.com>
11119
11120         * fold-const.c (fold_comparison): Fold comparisons like (x *
11121         1000 < 0) to (x < 0).
11122
11123 2007-01-10  Ian Lance Taylor  <iant@google.com>
11124
11125         * tree-pretty-print.c (dump_generic_node): Print parentheses when
11126         operands have the same priority.
11127
11128 2007-01-10  Tom Tromey  <tromey@redhat.com>
11129
11130         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
11131         (fold_binary): Likewise.
11132         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
11133         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
11134         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
11135         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
11136         * langhooks.h (struct lang_hooks): Removed field
11137         'can_use_bit_fields_p'.
11138
11139 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
11140
11141         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
11142
11143 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
11144
11145         * function.c (get_last_funcdef_no): New function.
11146         * function.h (get_last_funcdef_no): Declare.
11147         * tree-inline.c (initialize_cfun): Add initialization.
11148         (tree_function_versioning): Cleanup.
11149
11150 2007-01-10  Jan Hubicka  <jh@suse.cz>
11151
11152         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
11153         PHIs.
11154
11155 2007-01-10  Sa Liu  <saliu@de.ibm.com>
11156             Ben Elliston  <bje@au.ibm.com>
11157
11158         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
11159         for SAVE_NONLOCAL and Pmode for any other save level.
11160         * spu-protos.h (spu_restore_stack_block): Declare.
11161         * spu.md (save_stack_block): Remove.
11162         (restore_stack_block): Call spu_restore_stack_block.
11163         * spu.c (spu_restore_stack_block): New function.
11164         (spu_expand_epilogue): Remove old comment.
11165
11166 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
11167
11168         PR tree-optimization/30322
11169         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
11170         (cand_value_at): Return the value as aff_tree.
11171         (may_eliminate_iv): Convert the bound from aff_tree to tree.
11172         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
11173         aff_combination_mult): New functions.
11174         (aff_combination_add): Use aff_combination_add_cst.
11175         (aff_combination_convert): Allow conversions to a wider type.
11176         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
11177         * tree-affine.h (aff_combination_mult): Declare.
11178
11179 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
11180
11181         * doc/tm.texi: Update documentation to reflect reality of exec
11182         and start file search behaviours. Update copyright year.
11183         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
11184         header file directories.
11185
11186 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
11187
11188         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
11189         (*cosxf2): Rename to cosxf2_i387.
11190         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
11191         using X87MODEF12 mode macro. Rename patterns to
11192         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
11193         for SSE math.
11194         (*cosdf2, *cossf2): Ditto.
11195         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
11196         to match extended input operands.
11197         (sincos<mode>3): New expander.
11198         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
11199         insn patterns and corresponding splitters.
11200
11201 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
11202
11203         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
11204         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
11205
11206 2007-01-09  Nicolas Pitre  <nico@cam.org>
11207
11208         PR target/30173
11209         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
11210
11211 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11212
11213         * target.h (struct gcc_target): New field library_rtti_comdat.
11214         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
11215         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
11216         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
11217         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
11218
11219 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11220
11221         * doc/invoke.texi (Optimize Options): Correct description of -O0.
11222
11223 2007-01-08  Richard Guenther  <rguenther@suse.de>
11224
11225         * tree.h (force_fit_type_double): Export.
11226         (force_fit_type): Remove.
11227         * fold-const.c (force_fit_type_double): New function.
11228         (force_fit_type): Remove.
11229         (int_const_binop): Use it.
11230         (fold_convert_const_int_from_int): Likewise.
11231         (fold_convert_const_int_from_real): Likewise.
11232         (fold_div_compare): Likewise.
11233         (fold_sign_changed_comparison): Likewise.
11234         (fold_unary): Likewise.
11235         (fold_negate_const): Likewise.
11236         (fold_abs_const): Likewise.
11237         (fold_not_const): Likewise.
11238         * c-common.c (shorten_compare): Use force_fit_type_double.
11239         * convert.c (convert_to_pointer): Likewise.
11240
11241 2007-01-08  Richard Guenther  <rguenther@suse.de>
11242
11243         * tree.h (build_int_cst_wide_type): Export.
11244         * tree.c (build_int_cst_wide_type): New function.
11245         (build_int_cst_wide): Fix comment.
11246         * builtins.c (fold_builtin_object_size): Use build_int_cst
11247         to build -1 or 0 of the correct type.  Use fit_double_type
11248         to check for overflow.
11249         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
11250         to build the mask.
11251         (decode_field_reference): Likewise.
11252         (all_ones_mask_p): Likewise.
11253         (native_interpret_int): Use build_int_cst_wide_type.
11254         (fold_binary): Use build_int_cst_type to build an all-ones
11255         value.
11256         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
11257
11258 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
11259
11260         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
11261
11262 2007-01-09  Ben Elliston  <bje@au.ibm.com>
11263
11264         * genautomata.c (STATS_OPTION): New option.
11265         (stats_flag): New flag.
11266         (gen_automata_option): Handle it.
11267         (initiate_automaton_gen): Ditto.
11268         (write_automata): Output statistics only if stats_flag is
11269         set. Likewise, output time statistics only if time_flag is set.
11270         * doc/md.texi (Processor pipeline description): Document new flag.
11271
11272 2007-01-08  Richard Guenther  <rguenther@suse.de>
11273
11274         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
11275         * tree.c (build_int_cst_type): Likewise.
11276         (size_in_bytes): Don't call force_fit_type on the result.
11277         (int_fits_type_p): Use fit_double_type.
11278         * fold-const.c (fit_double_type): New function.
11279         (force_fit_type): Use it.
11280         * tree.h (fit_double_type): Export.
11281
11282 2007-01-08  Jan Hubicka  <jh@suse.cz>
11283
11284         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
11285         * ipa.c (function_and_variable_visibility): Fix return type.
11286
11287 2007-01-08  Richard Guenther  <rguenther@suse.de>
11288
11289         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
11290         of offset to build the index.
11291         * tree-pretty-print.c (dump_generic_node): Don't build negated
11292         const just for printing.
11293         * c-pretty-print.c (pp_c_integer_constant): Likewise.
11294         * builtins.c (fold_builtin_int_roundingfn): Check if result
11295         fits the type by using force_fit_type and comparing the result.
11296         * predict.c (predict_loops): Use compare_tree_int for comparison.
11297         * tree.c (build_int_cst): Fall back to integer_type_node for
11298         NULL_TREE type.
11299         (build_int_cst_wide): Assert type is non-null.
11300
11301 2007-01-08  Roberto Costa  <roberto.costa@st.com>
11302
11303         * tree-vrp.c (extract_range_from_cond_expr): New.
11304         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
11305         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
11306         as expressions.
11307         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
11308         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
11309         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
11310         used as expressions.
11311         * tree-object-size.c (cond_expr_object_size): New.
11312         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
11313
11314 2007-01-08  Jan Hubicka  <jh@suse.cz>
11315
11316         * tree-ssa-forwprop.c (forward_propagate_into_cond,
11317         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
11318         statement.
11319
11320 2007-01-08  Richard Guenther  <rguenther@suse.de>
11321
11322         PR tree-optimization/23603
11323         * tree-vrp.c (set_value_range_to_truthvalue): New function.
11324         (extract_range_from_binary): Fall back to truthvalue instead of
11325         varying for TRUTH_*_EXPR.
11326         (extract_range_from_comparison): Fall back to truthvalue instead of
11327         varying.
11328         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
11329         if all visited PHI values were constant.
11330
11331 2007-01-08  Jan Hubicka  <jh@suse.cz>
11332
11333         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
11334         (cgraph_analyze_function): break out from ...
11335         (cgraph_finalize_compilation_unit): ... here.
11336         (cgraph_expand_function): Remove forgoten commented out line.
11337         (cgraph_optimize): Analyze functions.
11338
11339 2007-01-08  Jan Hubicka  <jh@suse.cz>
11340
11341         * tree-pas.h (TODO_remove_function): New flag.
11342         (TODO_update*): Renumber.
11343         (pass_ipa_increase_alignment,
11344         pass_ipa_function_and_variable_visibility): New passes.
11345         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
11346         (cgraph_function_and_variable_visibility): Move to ipa.c
11347         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
11348         cgraph_increase_alignment.
11349         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
11350         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
11351         calling tree-inline.
11352         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
11353         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
11354         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
11355         (gate_increase_alignment): New function.
11356         (pass_ipa_increase_alignment): New pass.
11357         * ipa.c: Inline tree-pass.h and timevar.h
11358         (function_and_variable_visibility): Move here from cgraphunit.c
11359         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
11360         * passes.c (init_optimization_passes): Add the two new passes.
11361         (execute_todo): Handle cgraph_remove_functions.
11362
11363 2007-01-08  Nick Clifton  <nickc@redhat.com>
11364
11365         * config/frv/predicates.md (reg_or_0_operand): Accept
11366         CONST_DOUBLEs.
11367
11368 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
11369
11370         * config/bfin/rtems.h, config/bfin/t-rtems: New.
11371         * config.gcc: Add bfin*-rtems*.
11372
11373 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11374
11375         * c.opt: Add -flax-vector-conversions.
11376         * c-typeck.c (convert_for_assignment): Pass flag to
11377         vector_types_convertible_p to allow emission of note.
11378         (digest_init): Likewise.
11379         * c-opts.c: Handle -flax-vector-conversions.
11380         * c-common.c (flag_lax_vector_conversions): New.
11381         (vector_types_convertible_p): Unless -flax-vector conversions
11382         has been passed, disallow conversions between vectors with
11383         differing numbers of subparts and/or element types.  If such
11384         a conversion is disallowed, possibly emit a note on the first
11385         occasion only to inform the user of -flax-vector-conversions.
11386         The new last argument specifies this.
11387         * c-common.h (flag_lax_vector_conversions): New.
11388         (vector_types_convertible_p): Add extra argument.
11389         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
11390         char_type_node for V*QI type vectors.
11391         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
11392         Update to satisfy new typechecking rules.
11393         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
11394         C and C++ variants.
11395         * doc/invoke.texi (C Dialect Options): Document
11396         -flax-vector-conversions.
11397
11398 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11399
11400         PR tree-optimization/29877
11401         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
11402         a register variable on the RHS to not be replaceable.
11403
11404 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
11405         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
11406         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
11407         const_simm15, const_pow2, const_npow2): Added.
11408         * config/score/misc.md (insv, extv, extzv, movmemsi,
11409         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
11410         * config/score/score.c (score_address_cost, score_select_cc_mode):
11411         Added.
11412         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
11413         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
11414         Update score_print_operand.
11415         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
11416         Adjust register allocate order and update some macro define.
11417         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
11418         mdx_block_move_straight, mdx_block_move_loop_head,
11419         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
11420         mdx_block_move): Added.
11421         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
11422         mdp_limm): Updated and fix some bug and typo.
11423         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
11424         (movsf, movdf, doloop_end): Added.
11425
11426 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
11427
11428         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
11429         config/arm/thumb2.md: Fix comment typos.
11430         * doc/extend.texi: Fix a typo.
11431
11432 2007-01-07  Eric Christopher  <echristo@apple.com>
11433
11434         * configure.ac: Check for __stack_chk_fail for darwin.
11435         * configure: Regenerate.
11436
11437 2007-01-07  Richard Guenther  <rguenther@suse.de>
11438
11439         * tree-vrp.c (extract_range_from_assert): CSE calls to
11440         compare_values where possible.
11441         (extract_range_from_unary_expr): Likewise.
11442
11443 2007-01-07  Anatoly Sokolov <aesok@post.ru>
11444
11445         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
11446         * config/avr/avr.c (call_insn_operand): Delete function.
11447         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
11448         instead of register number. Use predicates.
11449         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
11450         call_insn_operand): Add.
11451
11452 2007-01-06  Jan Hubicka  <jh@suse.cz>
11453
11454         * tree-pass.h (pass_build_cgraph_edges): Declare.
11455         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
11456         (visited_nodes): Remove.
11457         (cgraph_create_edges): Move to cgraphbuild.c; rename to
11458         build_cgrpah_edges; make visited_nodes local.
11459         (cgraph_process_new_functions): DO not call initialize_inline_failed.
11460         (record_references_in_initializer): Move to cgraphbuild.c
11461         (initialize_inline_failed, rebuild_cgraph_edges,
11462         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
11463         (verify_cgraph_node): Make visited_nodes local.
11464         (cgraph_analyze_function): Do not call cgraph_create_edges and
11465         initialize_inline_failed.
11466         (cgraph_expand_function): Do not call cgraph_lower_function;
11467         assert that function is already lowered.
11468         * Makefile.in (cgraphbuild.o): New.
11469         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
11470         at the end of lowering passes.
11471
11472 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
11473
11474         * ifcvt.c (cond_move_convert_if_block): New function, code
11475         factored out from...
11476         (cond_move_process_if_block): ...here.  Call the new function
11477         on the THEN and ELSE blocks.
11478         (merge_if_block): Do not copy global_live_at_end, merge_blocks
11479         already takes care of this.
11480
11481 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11482
11483         PR c/19978
11484         * tree.h (TREE_OVERFLOW_P): New.
11485         * c-typeck.c (parser_build_unary_op): Warn only if result
11486         overflowed and operands did not.
11487         (parser_build_binary_op): Likewise.
11488         (convert_for_assignment): Remove redundant overflow_warning.
11489         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
11490
11491 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11492
11493         * c-typeck.c (store_init_value): Split over two lines to follow
11494         the GNU coding style.
11495
11496 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
11497
11498         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
11499         __GXX_EXPERIMENTAL_CXX0X__.
11500         * doc/cpp.texi: Same.
11501
11502 2007-01-05  Richard Guenther  <rguenther@suse.de>
11503
11504         PR middle-end/27826
11505         * tree.c (get_narrower): Do not construct COMPONENT_REFs
11506         with mismatched types.  Instead explicitly build a
11507         conversion NOP_EXPR.
11508
11509 2007-01-05  Ian Lance Taylor  <iant@google.com>
11510
11511         * c-common.c (decl_with_nonnull_addr_p): New function.
11512         (c_common_truthvalue_conversion): Call it.
11513         * c-typeck.c (build_binary_op): Likewise.
11514         * c-common.h (decl_with_nonnull_addr_p): Declare.
11515
11516 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
11517
11518         PR c/30360
11519         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
11520         denom against 0.0.
11521
11522 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
11523
11524         * doc/install.texi (Final install): Document the fact that
11525         the GNAT runtime should not be stripped.
11526
11527 2007-01-04  Jan Hubicka  <jh@suse.cz>
11528
11529         * tree-inline.c (fold_marked_statements): Update operand caches
11530         and EH after folding
11531
11532 2007-01-04  Ian Lance Taylor  <iant@google.com>
11533
11534         * c-common.c (check_function_nonnull): Whitespace fix.
11535
11536 2007-01-04  Jan Hubicka  <jh@suse.cz>
11537
11538         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
11539         comitted older version of patch.
11540         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
11541         function, celanup cfg and collect garbage.
11542
11543 2007-01-04  Mike Stump  <mrs@apple.com>
11544
11545         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
11546         (clean): Likewise.
11547
11548 2007-01-04  Eric Christopher  <echristo@apple.com>
11549
11550         * libgcc2.c (__bswapsi2): Use SItype.
11551         (__bswapdi2): Use DItype.
11552         * libgcc2.h: Update for above.
11553
11554 2007-01-04  Paul Brook  <paul@codesourcery.com>
11555
11556         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
11557         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
11558         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
11559         umulsidi3, umulsidi3adddi, smulsi3_highpart,
11560         umulsi3_highpart): Make conditional on !arm_arch6.
11561         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
11562         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
11563         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
11564         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
11565         umulsi3_highpart_v6): New insns.
11566
11567 2007-01-04  Roger Sayle  <roger@eyesopen.com>
11568
11569         * fold-const.c (fold_convert): When casting an expression to void,
11570         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
11571         have a type.  Instead of attempting to build a NOP_EXPR, return
11572         these "special" trees directly.
11573
11574 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
11575
11576         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
11577         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
11578         rs6000_cost->fp not 0 as adjustment for outer NEG.
11579
11580 2007-01-04  Jan Hubicka  <jh@suse.cz>
11581
11582         * cgraph.c (cgraph_release_function_body): New function.
11583         (cgraph_remove_node): Use it.
11584         * cgraph.h (cgraph_release_function_body): Declare.
11585         * cgraphunit.c (cgraph_expand_function): Use it.
11586         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
11587         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
11588         is initialized and while compilation of other function is running.
11589         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
11590         statement CFG annotations from here to ...
11591         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
11592
11593 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
11594
11595         * cfgloop.h (enum li_flags): Make the constants powers of two.
11596
11597 2007-01-04  Jan Hubicka  <jh@suse.cz>
11598
11599         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
11600         set.
11601         (fold_marked_statements): New function.
11602         (optimize_inline_calls, tree_function_versioning): Fold new statements.
11603         * tree-inline.h (copy_body_data): Add statements_to_fold.
11604
11605 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
11606
11607         * config.gcc: Mention libgcc/config.host.
11608         * Makefile.in: Update comments mentioning libgcc.
11609         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
11610         (all.cross, start.encap, rest.encap, rest.cross): Update
11611         dependencies for libgcc move.
11612         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
11613         (clean-target, clean-target-libgcc): Delete.
11614         (srcdirify, GCC_EXTRA_PARTS): New macros.
11615         (libgcc-support, libgcc.mvars): New rules.
11616         (distclean): Remove mention of mklibgcc.
11617         (install): Don't reference INSTALL_LIBGCC.
11618         (install-common): Don't reference EXTRA_PARTS.
11619         (install-libgcc, install-multilib): Delete rules.
11620         * mklibgcc.in: Delete file.
11621         * doc/configfiles.texi: Don't mention mklibgcc.
11622
11623         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
11624         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
11625         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
11626         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
11627         (mklibgcc, ldblspecs): Likewise.
11628
11629         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
11630         (posixpre.def): Use $(T).
11631         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
11632         (SHLIB_SRC, SHLIB_INSTALL): Delete.
11633         (SHLIB_LINK): Make dummy.
11634         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
11635
11636         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
11637
11638         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
11639         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
11640         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
11641         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
11642
11643         * configure.ac (all_outputs): Remove mklibgcc.
11644         * configure: Regenerated.
11645
11646 2007-01-03  Josh Conner  <jconner@apple.com>
11647
11648         PR middle-end/29683
11649         * calls.c (compute_argument_addresses): Set stack and stack_slot
11650         for partial args, too.
11651         (store_one_arg): Use locate.size.constant for the size when
11652         generating a save_area.
11653
11654 2007-01-03  Robert Kennedy <jimbob@google.com>
11655
11656         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
11657         whose definitions are deleted due to basic block merging.
11658
11659 2007-01-03  Paul Brook  <paul@codesourcery.com>
11660
11661         PR target/16634
11662         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
11663         functions.
11664         (use_return_insn): Return 0 for Thumb interrupt functions.
11665         (print_multi_reg): Add rfe argument for IRQ returns.
11666         (arm_output_epilogue): Pop interrupt return address directly into PC.
11667         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
11668
11669 2007-01-03  Paul Brook  <paul@codesourcery.com>
11670
11671         Merge from sourcerygxx-4_1.
11672         * config/arm/thumb2.md: New file.
11673         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
11674         Thumb-2.
11675         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
11676         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
11677         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
11678         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
11679         tables.
11680         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
11681         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
11682         comptibility.
11683         * config/arm/ieee754-sf.S: Ditto.
11684         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
11685         (thumb1_base_register_rtx_p): ... to this.
11686         (thumb_index_register_rtx_p): Rename...
11687         (thumb1_index_register_rtx_p): ... to this.
11688         (thumb_output_function_prologue): Rename...
11689         (thumb1_output_function_prologue): ... to this.
11690         (thumb_legitimate_address_p): Rename...
11691         (thumb1_legitimate_address_p): ... to this.
11692         (thumb_rtx_costs): Rename...
11693         (thumb1_rtx_costs): ... to this.
11694         (thumb_compute_save_reg_mask): Rename...
11695         (thumb1_compute_save_reg_mask): ... to this.
11696         (thumb_final_prescan_insn): Rename...
11697         (thumb1_final_prescan_insn): ... to this.
11698         (thumb_expand_epilogue): Rename...
11699         (thumb1_expand_epilogue): ... to this.
11700         (arm_unwind_emit_stm): Rename...
11701         (arm_unwind_emit_sequence): ... to this.
11702         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
11703         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
11704         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
11705         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
11706         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
11707         thumb2_output_casesi): New functions.
11708         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
11709         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
11710         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
11711         THUMB2_WORK_REGS): Define.
11712         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
11713         arm_condexec_mask, arm_condexec_masklen)): New variables.
11714         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
11715         (arm_override_options): Check new CPU capabilities.
11716         Set new architecture flag variables.
11717         (arm_isr_value): Handle v7m interrupt functions.
11718         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
11719         Thumb-2.
11720         (const_ok_for_arm): Handle Thumb-2 constants.
11721         (arm_gen_constant): Ditto.  Use movw when available.
11722         (arm_function_ok_for_sibcall): Return false for v7m interrupt
11723         functions.
11724         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
11725         (thumb_find_work_register, arm_load_pic_register,
11726         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
11727         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
11728         print_multi_reg, output_mov_long_double_fpa_from_arm,
11729         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
11730         output_mov_double_fpa_from_arm, output_move_double,
11731         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
11732         output_return_instruction, arm_output_function_prologue,
11733         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
11734         arm_output_mi_thunk, thumb_set_return_address): Ditto.
11735         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
11736         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
11737         (arithmetic_instr, shift_op): Use arm_shift_nmem.
11738         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
11739         '!' and 'L'.
11740         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
11741         (thumb_expand_prologue): Use thumb_set_frame_pointer.
11742         (arm_file_start): Output directive for unified syntax.
11743         (arm_unwind_emit_set): Handle stack alignment instruction.
11744         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
11745         Add v6t2, v7, v7a, v7r and v7m.
11746         (RETLDM): Add Thumb-2 code.
11747         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
11748         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
11749         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
11750         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
11751         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
11752         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
11753         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
11754         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
11755         ADJUST_INSN_LENGTH): Define.
11756         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
11757         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
11758         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
11759         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
11760         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
11761         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
11762         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
11763         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
11764         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
11765         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
11766         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
11767         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
11768         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
11769         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
11770         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
11771         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
11772         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
11773         cortex-m3.
11774         * config/arm/arm-tune.md: Regenerate.
11775         * config/arm/arm-protos.h: Update prototypes.
11776         * config/arm/vfp.md: Enable patterns for Thumb-2.
11777         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
11778         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
11779         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
11780         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
11781         * config/arm/libunwind.S: Add Thumb-2 code.
11782         * config/arm/constraints.md: Update include Thumb-2.
11783         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
11784         * config/arm/ieee754-df.S: Ditto.
11785         * config/arm/bpabi.S: Ditto.
11786         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
11787         * config/arm/predicates.md (low_register_operand,
11788         low_reg_or_int_operand, thumb_16bit_operator): New.
11789         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
11790         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
11791         * config/arm/t-arm-elf: Add armv7 multilib.
11792         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
11793         Include thumb2.md.
11794         (UNSPEC_STACK_ALIGN, ce_count): New.
11795         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
11796         arm_zero_extendsidi2, arm_zero_extendqidi2): New
11797         insns/expanders.
11798         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
11799         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
11800         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
11801         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
11802         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
11803         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
11804         insns.
11805         * doc/extend.texi: Document ARMv7-M interrupt functions.
11806         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
11807
11808 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
11809
11810         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
11811         (struct _Unwind_Context): Rename args_size to flags, remove
11812         signal_frame field, add a new args_size field and version field.
11813         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
11814         _Unwind_IsExtendedContext): New inline functions.
11815         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11816         Assume by_value array is only present if _Unwind_IsExtendedContext.
11817         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
11818         _Unwind_IsSignalFrame.
11819         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
11820         (uw_update_context_1): Use _Unwind_SetSignalFrame.
11821         (uw_init_context_1): Initialize context->flags to
11822         EXTENDED_CONTEXT_BIT.
11823         * config/rs6000/linux-unwind.h (frob_update_context): Use
11824         _Unwind_SetSignalFrame.
11825
11826 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11827
11828         PR middle-end/30353
11829         * gimplify.c (gimplify_modify_expr_complex_part): Move below
11830         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
11831         the value.
11832
11833 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
11834
11835         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
11836         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
11837         RET, AT_SP): Remove.
11838         * config/i386/i386.md (*sse_prologue_save_insn): Use return
11839         instead of RET.
11840
11841         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11842         * cfgbuild.c (find_basic_blocks): Likewise.
11843         * cfgrtl.c (rtl_create_basic_block): Likewise.
11844         * function.c (temp_slots_at_level): Likewise.
11845         * reg-stack.c (stack_regs_mentioned): Likewise.
11846         * regclass.c (allocate_reg_info): Likewise.
11847         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11848         set_bb_for_stmt, move_block_to_fn): Likewise.
11849         * tree-complex.c (tree_lower_complex): Likewise.
11850         * vec.h (VEC_safe_grow_cleared): New.
11851
11852         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
11853
11854 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
11855
11856         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
11857         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
11858         to loop_version.
11859         * cfgloopmanip.c (scale_loop_frequencies): Export.
11860         (loopify): Scale the frequencies by prescribed coefficients.
11861         (set_zero_probability): New function.
11862         (duplicate_loop_to_header_edge): Improve updating of frequencies.
11863         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
11864         and frequencies according to arguments.
11865         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
11866         correctly.
11867         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
11868         * modulo-sched.c (sms_schedule): Set probabilities for entering
11869         versioned loop correctly.
11870         * tree-vect-transform.c (vect_transform_loop): Ditto.
11871         * cfgloop.h (loopify, loop_version): Declaration changed.
11872         (scale_loop_frequencies): Declared.
11873
11874 2007-01-02  Jan Hubicka  <jh@suse.cz>
11875
11876         * cgraph.c: Include tree-flow.h
11877         (cgraph_add_new-function): Handle IPA_SSA mode; execute
11878         early_local_passes.
11879         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
11880         * tree-pass.h (pass_all_early_optimizations): Declare.
11881         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
11882         early_local_passes.
11883         (cgraph_analyze_function): Do early_local_passes.
11884         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
11885         Do not add referenced vars.
11886         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
11887         SSA form.
11888         (gate_all_early_local_passes): New gate.
11889         (pass_early_local_passes): Use new gate.
11890         (execute_early_local_optimizations): New functions.
11891         (gate_all_early_optimizations): New gate.
11892         (pass_all_early_optimizations): New pass.
11893         (execute_free_datastructures): Free SSA only when initialized.
11894         (gate_init_datastructures): Init only when optimizing.
11895         (tree_lowering_passes): Do early local passes when called late.
11896         * tree-profile.c (do_tree_profiling): Don't profile functions added
11897         late.
11898         (do_early_tree_profiling, pass_early_tree_profile): Kill.
11899         * tree-cfg.c (update_modified_stmts): Do not update when operands are
11900         not active.
11901         * passes.c (init_optimizations_passes): Reorder so we go into SSA
11902         during early_local_passes.
11903         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
11904
11905
11906 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
11907
11908         * Makefile.in: Update copyright year.
11909
11910 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
11911
11912         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
11913         in $(lang_checks) and check-consistency targets.
11914
11915 2007-01-02  Jan Hubicka  <jh@suse.cz>
11916
11917         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
11918         Do not add referenced vars.
11919         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
11920         are not active.
11921         * passes.c (init_optimization_passes): Put mudflap_2 after
11922         free_datastructures.
11923
11924 2007-01-02  Jan Hubicka  <jh@suse.cz>
11925
11926         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
11927         Set NOTHROW flag on call statements proved to be nothrow.
11928         Update statement of local calls so new pure/const functions are
11929         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
11930         goto receivers.
11931         (tree_rest_of_compilation): Register hooks and initialize bitmap
11932         early. Do not set after_inlining flag.
11933
11934 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
11935
11936         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
11937         HOST_BITS_PER_LONGLONG
11938
11939 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11940
11941         PR c/19977
11942         * c-typeck.c (store_init_value): Don't emit pedantic overflow
11943         warning for non-static initializers.
11944
11945 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
11946
11947         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
11948         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
11949         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
11950         Always use set_unique_reg_note to add REG_EQUAL notes.
11951
11952 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11953
11954         Revert:
11955         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11956
11957         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11958         * cfgbuild.c (find_basic_blocks): Likewise.
11959         * cfgrtl.c (rtl_create_basic_block): Likewise.
11960         * function.c (temp_slots_at_level): Likewise.
11961         * reg-stack.c (stack_regs_mentioned): Likewise.
11962         * regclass.c (allocate_reg_info): Likewise.
11963         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11964         set_bb_for_stmt, move_block_to_fn): Likewise.
11965         * tree-complex.c (tree_lower_complex): Likewise.
11966         * vec.h (VEC_safe_grow_cleared): New.
11967
11968 2007-01-02  Ian Lance Taylor  <iant@google.com>
11969
11970         * c-common.c (c_common_truthvalue_conversion): When warning about
11971         using an assignment as a truth value, set TREE_NO_WARNING.
11972
11973 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11974
11975         PR middle-end/7651
11976         * c.opt (Wold-style-declaration): New.
11977         * doc/invoke.texi (C-only Warning Options): New.
11978         (Wold-style-declaration): Document it.
11979         (Wextra): Enabled by -Wextra.
11980         * c-opts.c (c_common_post_options): Enabled by -Wextra.
11981         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
11982         -Wold-style-declaration.
11983
11984 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11985
11986         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11987         * cfgbuild.c (find_basic_blocks): Likewise.
11988         * cfgrtl.c (rtl_create_basic_block): Likewise.
11989         * function.c (temp_slots_at_level): Likewise.
11990         * reg-stack.c (stack_regs_mentioned): Likewise.
11991         * regclass.c (allocate_reg_info): Likewise.
11992         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11993         set_bb_for_stmt, move_block_to_fn): Likewise.
11994         * tree-complex.c (tree_lower_complex): Likewise.
11995         * vec.h (VEC_safe_grow_cleared): New.
11996
11997 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
11998
11999         * c-common.c (c_common_nodes_and_builtins): Since variants of
12000         void_type_node get built before it is given a name, we need to
12001         give those variants the name, too.
12002         (complete_array_type): We need to work with the canonical main
12003         type of the array, from which we will build the qualified version.
12004         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
12005         * print-tree.c (print_node): Display canonical type information
12006         for each type.
12007         * stor-layout.c (layout_type): When we don't know the
12008         alignment of a type for which we're building an array, we end up
12009         guessing wrong, so make the type require structural equality.
12010         * tree.c (make_node_stat): When we build a new type, it is its
12011         own canonical type.
12012         (build_type_attribute_qual_variant): When building an attribute
12013         variant, its canonical type is the non-attribute variant. However,
12014         if the attributes are target-dependent and they differ, we need to
12015         use structural equality checks for this type.
12016         (build_qualified_type): A qualified type is not equivalent to its
12017         unqualified variant; set the canonical type appropriately.
12018         (build_distinct_type_copy): When building a distinct type from
12019         another type, the new type is its own canonical type.
12020         (build_variant_type_copy): When building a new type variant, we
12021         assume that it is equivalent to the original type.
12022         (build_pointer_type_for_mode): When building a pointer type, also
12023         build a canonical type pointer.
12024         (build_reference_type_for_mode): When building a reference type,
12025         also build a canonical type reference.
12026         (build_index_type): When we can't hash an index type (e.g.,
12027         because its maximum value is negative), the index type requires
12028         structural equality tests.
12029         (build_array_type): Build the canonical form of an array type.
12030         (build_function_type): Function types require structural equality,
12031         because they contain default arguments, attributes, etc.
12032         (build_method_type_directly): Ditto for method types.
12033         (build_offset_type): Build the canonical offset type.
12034         (build_complex_type): Build the canonical vector type.
12035         (make_vector_type): Build the canonical vector type.
12036         * tree.h (TYPE_CANONICAL): New.
12037         (TYPE_STRUCTURAL_EQUALITY_P): New.
12038         (SET_TYPE_STRUCTURAL_EQUALITY): New.
12039         (struct tree_type): Added "canonical" field.
12040         * params.h (VERIFY_CANONICAL_TYPES): New.
12041         * doc/c-tree.texi (TYPE_CANONICAL): Document.
12042         (TYPE_STRUCTURAL_EQUALITY_P): Document.
12043         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
12044         * doc/invoke.texi (verify-canonical-types): Document --param
12045         parameter for verifying canonical types.
12046
12047 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12048
12049         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
12050         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
12051         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
12052         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
12053         tm_file.
12054         * config/rs6000/e500.h: New.
12055         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
12056         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
12057         Remove.
12058         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
12059         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
12060         TARGET_E500_DOUBLE): Remove.
12061         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
12062         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
12063         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
12064         * config/rs6000/rs6000.c (rs6000_override_options): Use
12065         CHECK_E500_OPTIONS.
12066
12067 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12068
12069         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
12070         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
12071         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
12072         rs6000_emit_cmove): Don't check TARGET_E500.
12073         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
12074         sordered): Don't check TARGET_E500.
12075
12076 2007-01-01  Eric Christopher  <echristo@apple.com>
12077
12078         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
12079         HARD_REGISTER_NUM_P.
12080
12081 2007-01-01  Roger Sayle  <roger@eyesopen.com>
12082
12083         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
12084         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
12085         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
12086         eq/ne Y".
12087
12088 2007-01-01  Mike Stump  <mrs@apple.com>
12089
12090         * configure.ac: Remove support for building with Apple's gcc-3.1.
12091
12092 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12093
12094         PR middle-end/30311
12095         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
12096         REG is a hard register.  Do not modify REG before calling
12097         subreg_nregs.
12098         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
12099         multiple of the size of YMODE for certain lowpart cases.
12100
12101 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12102
12103         PR middle-end/30253
12104         * gimplify (voidify_wrapper_expr): Update for
12105         GIMPLE_MODIFY_STMT.
12106
12107 2007-01-01  Andreas Schwab  <schwab@suse.de>
12108
12109         PR target/29166
12110         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
12111         save of BR0 in extra_spill_size instead of spill_size.
12112         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
12113         area.
12114         (ia64_expand_epilogue): Restore BR0 from its new location.
12115
12116 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12117
12118         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
12119         Use a temporary variable if the left hand side is not a gimple
12120         register.
12121
12122 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12123
12124         * gimplify.c (gimplify_return_expr): Make the temporary variable
12125         for the return expression, a gimple register variable.
12126
12127 2007-01-01  Jan Hubicka  <jh@suse.cz>
12128
12129         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
12130         INSN_LIST.
12131
12132 2007-01-01  Mike Stump  <mrs@apple.com>
12133
12134         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
12135         .literal16.
12136         * config/darwin.c (machopic_select_rtx_section): Use
12137         HAVE_GAS_LITERAL16.
12138         (darwin_mergeable_constant_section): Likewise.
12139         * configure: Regenerate.
12140         * config.in: Regenerate.
12141
12142 2007-01-01  Jan Hubicka  <jh@suse.cz>
12143             Andrew Pinski  <pinskia@gmail.com>
12144
12145         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
12146         before starting IPA passes.