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1 2007-02-20  Eric Christopher  <echristo@gmail.com>
2
3         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
4         Rewrite accordingly.
5         (frv_read_iacc_argument): Ditto.
6         (frv_expand_set_builtin): Take a call instead of arglist, update for
7         above changes.
8         (frv_expand_unop_builtin): Ditto.
9         (frv_expand_binop_builtin): Ditto.
10         (frv_expand_cut_builtin): Ditto.
11         (frv_expand_binopimm_builtin): Ditto.
12         (frv_expand_voidbinop_builtin): Ditto.
13         (frv_expand_int_void2arg): Ditto.
14         (frv_expand_prefetches): Ditto.
15         (frv_expand_voidtriop_builtin): Ditto.
16         (frv_expand_voidaccop_builtin): Ditto.
17         (frv_expand_load_builtin): Ditto.
18         (frv_expand_store_builtin): Ditto.
19         (frv_expand_mdpackh_builtin): Ditto.
20         (frv_expand_mclracc_builtin): Ditto.
21         (frv_expand_mrdacc_builtin): Ditto.
22         (frv_expand_mwtacc_builtin): Ditto.
23         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
24         calls for above.
25
26 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
27
28         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
29         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
30         cmpb instruction.
31         (HAVE_GAS_DFP): Check for assembler support of decimal floating
32         point instructions.
33         * configure: Regenerate.
34         * config.in: Regenerate.
35         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
36         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
37         masks to power6 and power6x and to POWERPC_MASKS.
38         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
39         _ARCH_PWR6.
40         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
41         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
42         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
43         Access PROTOTYPE as variable, not mask.
44
45 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
46
47         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
48         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
49         * combine.c (adjust_for_new_dest): Use it.
50         * postreload.c (reload_combine): Likewise.
51
52 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
53
54         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
55         notes on an insn with multiple sets, even if single_set returns
56         non-NULL for that insn.
57
58 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
59
60         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
61         scalbn and scalbln.
62
63 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
64
65         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
66         if user didn't pass it.
67         * config/i386/darwin.h (CC1_SPEC): Likewise.
68         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
69         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
70         -mmacosx-version-min.
71
72 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
73             Uros Bizjak  <ubizjak@gmail.com>
74
75         * optabs.h (enum optab_index): Add new OTI_scalb.
76         (scalb_optab): Define corresponding macro.
77         * optabs.c (init_optabs): Initialize scalb_optab.
78         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
79         patterns.
80         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
81         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
82         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
83         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
84         flag_unsafe_math_optimizations is set.
85
86         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
87         to implement scalbf, scalb and scalbl built-ins as inline x87
88         intrinsics.
89
90 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
91             DJ Delorie <dj@redhat.com>
92
93         PR other/30824
94         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
95         (diagnostic_report_diagnostic): ... here, and turn them into real
96         errors. If warnings are inhibited, no need to do anything.
97
98 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
99
100         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
101         better code generation.
102
103 2007-02-20  Ben Elliston  <bje@au.ibm.com>
104
105         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
106
107 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
108
109         * config/alpha/alpha.c, config/alpha/alpha.md,
110         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
111         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
112         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
113         config/arm/lib1funcs.asm: Follow spelling conventions.
114
115         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
116         config/fr30/fr30.md, config/i386/i386.h,
117         config/iq2000/iq2000.h, config/iq2000/predicates.md,
118         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
119         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
120         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
121         config/rs6000/altivec.md, config/rs6000/rs6000.c,
122         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
123         config/sparc/sparc.c, config/sparc/sparc.h,
124         config/sparc/sparc.md, config/spu/constraints.md,
125         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
126         conventions.
127
128 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
129
130         PR target/29943
131         * varasm.c (use_blocks_for_decl_p): Return false for decls with
132         alias attribute.
133
134 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
135
136         * doc/invoke.texi (-ftree-lrs): Remove.
137
138 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
139
140         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
141         NULL.
142
143 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
144
145         * config/ia64/ia64.c (ia64_expand_builtin): Use the
146         new CALL_EXPR_FN macro for retrieving the function
147         declaration of the input expression.
148
149 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
150
151         * c.opt (Waddress): New.
152         * common.opt (Walways-true): Delete.
153         (Wstring-literal-comparison): Delete.
154         * doc/invoke.texi (Warning Options): Delete -Walways-true and
155         -Wstring-literal-comparison. Add -Waddress.
156         (Waddress): New.
157         (Walways-true): Delete.
158         (Wstring-literal-comparison): Delete.
159         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
160         consistently instead of -Walways-true in example.
161         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
162         * c-typeck.c (parser_build_binary_op): Replace
163         -Wstring-literal-comparison and -Walways-true with -Waddress.
164         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
165         with -Waddress.
166
167 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
168
169         * tree-cfg.c (dump_function_to_file): Be prepared for functions
170         without DECL_STRUCT_FUNCTION initialized.
171
172 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
173
174         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
175         due to calls to functions taking pointers as parameters.
176
177 2007-02-19  Richard Henderson  <rth@redhat.com>
178
179         PR debug/29558
180         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
181         in memory.
182
183 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
184
185         * config/s390/s390.c (s390_call_saved_register_used,
186         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
187         accessed to the new scheme.
188
189 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
190
191         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
192         (cris_print_index, cris_print_operand, cris_print_operand_address)
193         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
194         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
195         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
196         GET_CODE () == xxx.
197         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
198         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
199         GO_IF_LEGITIMATE_ADDRESS): Ditto.
200         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
201         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
202         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
203         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
204         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
205         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
206         (uminsi3, call, call_value): Ditto.
207         (define_split: indir_to_reg_split, unnamed): Ditto.
208
209 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
210
211         PR tree-optimization/30975
212         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
213         wrong assert.
214
215 2007-02-18  Eric Christopher  <echristo@gmail.com>
216
217         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
218         Remove use of arglist.
219         (mips_expand_builtin): Remove use of arglist, pass in expr.
220         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
221         (mips_expand_builtin_movtf): Ditto.
222         (mips_expand_builtin_compare): Ditto.
223
224 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
225
226         * tree-sra.c (sra_build_assignment): Replace assertion
227         checking with a comment explaining why it can't be done.
228
229 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
230
231         PR middle-end/30833
232         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
233         during CALL_EXPR representation conversion.
234         * tree-ssa-propagate.c (set_rhs): Likewise.
235
236 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
237
238         * tree-sra.c (sra_build_assignment): Disable assertion checking
239         for now.
240
241 2007-02-18  Roger Sayle  <roger@eyesopen.com>
242
243         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
244         instead of calling build2 with a GIMPLE_MODIFY_STMT.
245         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
246         Likewise.
247         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
248         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
249         gimplify_init_ctor_eval_range, gimple_push_cleanup,
250         gimplify_omp_for, gimplify_omp_atomic_pipeline,
251         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
252         force_gimple_operand): Likewise.
253         * ipa-cp.c (constant_val_insert): Likewise.
254         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
255         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
256         perfect_nestify): Likewise.
257         * langhooks.c (lhd_omp_assignment): Likewise.
258         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
259         lower_copyprivate_clauses, lower_send_clauses,
260         lower_send_shared_vars, expand_parallel_call,
261         expand_omp_for_generic, expand_omp_for_static_nochunk,
262         expand_omp_for_static_chunk, expand_omp_sections,
263         lower_omp_single_copy, lower_omp_for_lastprivate,
264         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
265         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
266         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
267         Likewise.
268
269 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
270
271         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
272         config/sh/sh.md: Follow spelling conventions.
273
274         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
275         config/frv/predicates.md: Follow spelling conventions.
276
277         * config/m68k/linux-unwind.h: Fix a comment typo.
278         * target.h: Follow spelling conventions.
279
280 2007-02-18  Roger Sayle  <roger@eyesopen.com>
281
282         PR rtl-optimization/28173
283         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
284         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
285         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
286         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
287         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
288
289 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
290
291         * builtins.c (fold_builtin_load_exponent): New.
292         (fold_builtin_2): Use it.
293
294 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
295
296         PR rtl-optimization/30773
297         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
298         if we fail to attach a REG_EQUIV note.
299
300 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
301             Roger Sayle  <roger@eyesopen.com>
302
303         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
304
305 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
306
307         * calls.c (initialize_argument_information): Pass original EXP
308         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
309         code to split complex arguments here, as part of initializing the
310         ARGS array.
311         (expand_call): Remove code that builds a list of arguments and
312         inserts implicit arguments into it.  Instead, just count how many
313         implicit arguments there will be so we can determine the size of
314         the ARGS array, and let initialize_argument_information do the work.
315         (split_complex_values): Delete unused function.
316
317 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
318
319         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
320
321 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
322
323         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
324         for arg pointer based indexed addressing.
325
326 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
327
328         * config/ia64/ia64.h, config/ia64/ia64.md,
329         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
330         spelling conventions.
331
332 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
333
334         * config/m68k/m68k.c (split_di): New.
335         * config/m68k/m68k-protos.h: Declare split_di.
336         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
337           Improve predicate handling and split constant shifts.
338
339 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
340
341         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
342         parameter for register bitfield operations, general predicates
343         cleanup
344
345 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
346
347         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
348         * config/m68k/linux-unwind.h: New file.
349
350 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
351
352         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
353         config/i386/athlon.md, config/ia64/ia64.md,
354         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
355         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
356         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
357         tree-ssa-loop-niter.c, tree-vect-analyze.c,
358         tree-vect-transform.c: Fix comment typos.
359
360 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
361
362         * sched-deps.c (find_insn_list): Remove.
363         * sched-int.h: Remove the prototype for find_insn_list.
364
365 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
366
367         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
368         to linker.
369         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
370         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
371         darwin_rs6000_override_options.
372         (C_COMMON_OVERRIDE_OPTIONS): Expect
373         darwin_macosx_version_min to be non-NULL always.
374         (TARGET_C99_FUNCTIONS): Likewise.
375         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
376         (DARWIN_MINVERSION_SPEC): New.
377         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
378         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
379         to cc1*.
380         (DARWIN_MINVERSION_SPEC): New.
381         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
382         value.
383         * config/darwin-c.c (darwin_cpp_builtins): Expect
384         darwin_macosx_version_min to be non-NULL always.
385
386         * config/rs6000/rs6000.c: Clean up trailing whitespace.
387
388 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
389
390         * config/i386/i386.h (x86_use_xchgb): New.
391         (TARGET_USE_XCHGB): New macro.
392         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
393         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
394         Split after reload into bswaphi for shifts of 8.
395         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
396         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
397         or when optimizing for size.
398
399 2007-02-16  Richard Guenther  <rguenther@suse.de>
400             Christian Bruel  <christian.bruel@st.com>
401
402         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
403         DECLs but prefer SSA_NAMEs over DECLs.
404
405 2007-02-16  Richard Guenther  <rguenther@suse.de>
406
407         * tree-flow-inline.h (single_imm_use_p): Remove.
408         (zero_imm_uses_p): Likewise.
409         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
410         instead of single_imm_use_p.
411         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
412         zero_imm_uses_p.
413
414 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
415
416         PR other/27843
417         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
418         nested double- and backquotes.
419
420 2007-02-15  Roger Sayle  <roger@eyesopen.com>
421
422         PR middle-end/30391
423         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
424         should be unreachable.
425         (build2_stat): Allow construction of MODIFY_EXPR at any time.
426         For the time being redirect GIMPLE_MODIFY_STMT to the new
427         (renamed) build_gimple_modify_stmt_stat.
428         (build2_gimple_stat): Rename to...
429         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
430         Always build a GIMPLE_MODIFY_STMT node.
431         * tree.h (build2_gimple, build2_gimple_stat): Delete.
432         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
433         declarations.
434
435         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
436         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
437         * tree-complex.c (set_component_ssa_name, expand_complex_move,
438         expand_complex_div_wide): Likewise.
439         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
440         * tree-ssa-loop-im.c (schedule_sm): Likewise.
441         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
442         * tree-ssa-loop-manip.c (create_iv): Likewise.
443         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
444         abs_replacement): Likewise.
445         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
446         realify_fake_stores): Likewise.
447
448         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
449         node rather than a GIMPLE_MODIFY_STMT node.
450         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
451         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
452         Likewise.
453         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
454         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
455         GIMPLE_MODIFY_STMT.
456
457 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
458
459         PR middle-end/30433
460         * fold-const.c (fold_comparison): Add back the
461         folding of constant complex comparisions.
462
463 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
464
465         PR middle-end/30729
466         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
467         effects unknown to this function, return early.
468
469 2007-02-15  Ian Lance Taylor  <iant@google.com>
470
471         * lower-subreg.c (move_eh_region_note): New static function.
472         (resolve_simple_move): Call it.
473         (decompose_multiword_subregs): Track blocks for which we resolve a
474         simple move which is also a control flow insn.  Pass them to
475         find_many_sub_basic_blocks.
476         (pass_lower_subreg): Add TODO_verify_flow.
477         (pass_lower_subreg2): Likewise.
478
479 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
480             Brooks Moses  <brooks.moses@codesourcery.com>
481             Lee Millward  <lee.millward@codesourcery.com>
482
483         * tree.h (enum tree_code_class): Add tcc_vl_exp.
484         (VL_EXP_CLASS_P): New.
485         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
486         TREE_CODE_LENGTH.
487         (TREE_OPERAND_CHECK_CODE): Likewise.
488         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
489         (TREE_RTL_OPERAND_CHECK): Likewise.
490         (tree_operand_check_failed): Make second parameter the whole tree
491         instead of its code.  Fixed callers.
492         (VL_EXP_CHECK): New.
493         (TREE_OPERAND_LENGTH): New.
494         (VL_EXP_OPERAND_LENGTH): New.
495         (CALL_EXPR_FN): New.
496         (CALL_EXPR_STATIC_CHAIN): New.
497         (CALL_EXPR_ARGS): New.
498         (CALL_EXPR_ARG): New.
499         (call_expr_nargs): New.
500         (CALL_EXPR_ARGP): New.
501         (build_nt_call_list): Declare.
502         (build_vl_exp_stat): Declare.
503         (build_vl_exp): New.
504         (build_call_list): Declare.
505         (build_call_nary): Declare.
506         (build_call_valist): Declare.
507         (build_call_array): Declare.
508         (call_expr_arg): Declare.
509         (call_expr_argp): Declare.
510         (call_expr_arglist): Declare.
511         (fold_build_call_list): Declare.
512         (fold_build_call_list_initializer): Declare.
513         (fold_call_expr): Declare to replace fold_builtin.
514         (fold_builtin_fputs): Update to agree with modified definition.
515         (fold_builtin_strcpy): Likewise.
516         (fold_builtin_strncpy): Likewise.
517         (fold_builtin_memory_chk): Likewise.
518         (fold_builtin_stxcpy_chk): Likewise.
519         (fold_builtin_strncpy_chk): Likewise.
520         (fold_builtin_next_arg): Likewise.
521         (fold_build_call_expr): Declare.
522         (fold_builtin_call_list): Declare.
523         (fold_builtin_call_valist): Declare.
524         (build_call_expr): Declare.
525         (validate_arglist): Update to agree with modified definition.
526         (tree_operand_length): New.
527         (call_expr_arg_iterator): New.
528         (init_call_expr_arg_iterator): New.
529         (next_call_expr_arg): New.
530         (first_call_expr_arg): New.
531         (more_call_expr_args_p): New.
532         (FOR_EACH_CALL_EXPR_ARG): New.
533
534         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
535         and tcc_gimple_stmt.
536         (tree_code_size): Update documentation.  Use sizeof (tree) rather
537         than sizeof (char *).
538         (tree_size): Likewise.  Add case for tcc_vl_exp.
539         (tree_node_structure): Add case for tcc_vl_exp.
540         (contains_placeholder_p): Likewise.
541         (substitute_in_expr): Likewise.
542         (substitute_placeholder_in_expr): Likewise.
543         (stabilize_reference_1): Likewise.
544         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
545         to diagnose breakage of this interface for constructing CALL_EXPRs.
546         (build_nt): Add similar assertion here.
547         (build_nt_call_list): New.
548         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
549         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
550         TREE_CODE_LENGTH.
551         (get_callee_fndecl): Use new CALL_EXPR accessors.
552         (tree_operand_check_failed): Change parameters to pass entire node
553         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
554         (process_call_operands): New.
555         (build_vl_exp_stat): New.
556         (build_call_list): New.
557         (build_call_nary): New.
558         (build_call_valist): New.
559         (build_call_array): New.
560         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
561         (call_expr_arglist): New.
562
563         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
564         tcc_vl_exp instead of a fixed-size tcc_expression.
565
566         * doc/c-tree.texi (CALL_EXPR): Document new representation and
567         accessors for CALL_EXPRs.
568         (AGGR_INIT_EXPR): Likewise.
569
570 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
571             Brooks Moses  <brooks.moses@codesourcery.com>
572             Lee Millward  <lee.millward@codesourcery.com>
573
574         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
575         (expand_builtin_nonlocal_goto): Change parameter to be entire
576         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
577         (expand_builtin_prefetch): Likewise.
578         (expand_builtin_classify_type): Likewise.
579         (mathfn_built_in): Return NULL_TREE instead of 0.
580         (expand_errno_check): Use new CALL_EXPR accessors.
581         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
582         Return NULL_RTX instead of 0.
583         (expand_builtin_mathfn_2): Likewise.
584         (expand_builtin_mathfn_3): Likewise.
585         (expand_builtin_interclass_mathfn): Likewise.
586         (expand_builtin_sincos): Likewise.
587         (expand_builtin_cexpi): Likewise.
588         (expand_builtin_int_roundingfn): Likewise.
589         (expand_builtin_int_roundingfn_2): Likewise.
590         (expand_builtin_pow): Likewise.
591         (expand_builtin_powi): Likewise.
592         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
593         of arglist, fixing callers appropriately.  Use new CALL_EXPR
594         accessors and constructors.  Return NULL_RTX instead of 0.
595         (expand_builtin_strstr): Likewise.
596         (expand_builtin_strchr): Likewise.
597         (expand_builtin_strrchr): Likewise.
598         (expand_builtin_strpbrk): Likewise.
599         (expand_builtin_memcpy): Likewise.
600         (expand_builtin_mempcpy): Likewise.
601         (expand_builtin_mempcpy_args): New.
602         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
603         (expand_builtin_memmove_args): New.
604         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
605         (expand_movstr): Likewise.
606         (expand_builtin_strcpy): Likewise.
607         (expand_builtin_strcpy_args): New.
608         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
609         (expand_builtin_strncpy): Likewise.
610         (expand_builtin_memset): Likewise.
611         (expand_builtin_memset_args): New.
612         (expand_builtin_bzero): Similarly to expand_builtin_memset.
613         (expand_builtin_memcmp): Likewise.
614         (expand_builtin_strcmp): Likewise.
615         (expand_builtin_strncmp): Likewise.
616         (expand_builtin_strcat): Likewise.
617         (expand_builtin_strncat): Likewise.
618         (expand_builtin_strspn): Likewise.
619         (expand_builtin_strcspn): Likewise.
620         (expand_builtin_args_info): Likewise.
621         (expand_builtin_va_start): Likewise.
622         (gimplify_va_arg_expr): Likewise.
623         (expand_builtin_va_end): Likewise.
624         (expand_builtin_va_copy): Likewise.
625         (expand_builtin_frame_address): Likewise.
626         (expand_builtin_alloca): Likewise.
627         (expand_builtin_bswap): Likewise.
628         (expand_builtin_unop): Likewise.
629         (expand_builtin_fputs): Likewise.
630         (expand_builtin_expect): Likewise.
631         (expand_builtin_fabs): Likewise.
632         (expand_builtin_copysign): Likewise.
633         (expand_builtin_printf): Likewise.
634         (expand_builtin_fprintf): Likewise.
635         (expand_builtin_sprintf): Likewise.
636         (expand_builtin_init_trampoline): Likewise.
637         (expand_builtin_signbit): Likewise.
638         (expand_builtin_fork_or_exec): Likewise.
639         (expand_builtin_sync_operation): Likewise.
640         (expand_builtin_compare_and_swap): Likewise.
641         (expand_builtin_lock_test_and_set): Likewise.
642         (expand_builtin_lock_release): Likewise.
643         (expand_builtin): Likewise.
644         (builtin_mathfn_code): Likewise.
645
646         (fold_builtin_constant_p): Pass call arguments individually instead
647         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
648         accessors and constructors.  Return NULL_TREE instead of 0.
649         (fold_builtin_expect): Likewise.
650         (fold_builtin_classify_type): Likewise.
651         (fold_builtin_strlen): Likewise.
652         (fold_builtin_nan): Likewise.
653         (integer_valued_real_p): Likewise.
654         (fold_trunc_transparent_mathfn): Likewise.
655         (fold_fixed_mathfn): Likewise.
656         (fold_builtin_cabs): Likewise.
657         (fold_builtin_sqrt): Likewise.
658         (fold_builtin_cbrt): Likewise.
659         (fold_builtin_cos): Likewise.
660         (fold_builtin_cosh): Likewise.
661         (fold_builtin_tan): Likewise.
662         (fold_builtin_sincos): Likewise.
663         (fold_builtin_cexp): Likewise.
664         (fold_builtin_trunc): Likewise.
665         (fold_builtin_floor): Likewise.
666         (fold_builtin_ceil): Likewise.
667         (fold_builtin_round): Likewise.
668         (fold_builtin_int_roundingfn): Likewise.
669         (fold_builtin_bitop): Likewise.
670         (fold_builtin_bswap): Likewise.
671         (fold_builtin_logarithm): Likewise.
672         (fold_builtin_hypot): Likewise.
673         (fold_builtin_pow): Likewise.
674         (fold_builtin_powi): Likewise.
675         (fold_builtin_exponent): Likewise.
676         (fold_builtin_memset): Likewise.
677         (fold_builtin_bzero): Likewise.
678         (fold_builtin_memory_op): Likewise.
679         (fold_builtin_bcopy): Deleted; call site changed to invoke
680         fold_builtin_memory_op directly.
681         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
682         (fold_builtin_strncpy): Likewise.
683         (fold_builtin_memcmp): Likewise.
684         (fold_builtin_strcmp): Likewise.
685         (fold_builtin_strncmp): Likewise.
686         (fold_builtin_signbit): Likewise.
687         (fold_builtin_copysign): Likewise.
688         (fold_builtin_isascii): Likewise.
689         (fold_builtin_toascii): Likewise.
690         (fold_builtin_isdigit): Likewise.
691         (fold_builtin_fabs): Likewise.
692         (fold_builtin_abs): Likewise.
693         (fold_builtin_fmin_fmax): Likewise.
694         (fold_builtin_carg): Likewise.
695         (fold_builtin_classify): Likewise.
696         (fold_builtin_unordered_cmp): Likewise.
697
698         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
699         New functions split out from fold_builtin_1.
700         (fold_builtin_n): New.
701         (fold_builtin_varargs): New.
702         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
703         instead.
704         (fold_call_expr): New.
705         (build_function_call_expr): Rewrite to use new helper function.
706         (fold_builtin_call_list): New.
707         (build_call_expr): New.
708         (fold_builtin_call_valist): New.
709         (rewrite_call_expr): New.
710         (validate_arg): New.
711         (validate_arglist): Change parameter to be entire CALL_EXPR instead
712         of an arglist.  Change return type to bool.  Use new CALL_EXPR
713         accessors.
714
715         (fold_builtin_strstr):  Pass call arguments individually instead
716         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
717         accessors and constructors.  Return NULL_TREE instead of 0.
718         (fold_builtin_strchr): Likewise.
719         (fold_builtin_strrchr): Likewise.
720         (fold_builtin_strpbrk): Likewise.
721         (fold_builtin_strcat): Likewise.
722         (fold_builtin_strncat): Likewise.
723         (fold_builtin_strspn): Likewise.
724         (fold_builtin_strcspn): Likewise.
725         (fold_builtin_fputs): Likewise.
726         (fold_builtin_next_arg): Likewise.
727         (fold_builtin_sprintf): Likewise.
728
729         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
730         NULL_RTX instead of 0.
731         (expand_builtin_memory_chk): Likewise.
732         (maybe_emit_chk_warning): Likewise.
733         (maybe_emit_sprintf_chk_warning): Likewise.
734
735         (fold_builtin_object_size): Pass call arguments individually instead
736         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
737         accessors and constructors.  Return NULL_TREE instead of 0.
738         (fold_builtin_memory_chk): Likewise.
739         (fold_builtin_stxcpy_chk): Likewise.
740         (fold_builtin_strncpy_chk): Likewise.
741         (fold_builtin_strcat_chk): Likewise.
742         (fold_builtin_strcat_chk): Likewise.
743         (fold_builtin_strncat_chk): Likewise.
744         (fold_builtin_sprintf_chk): Likewise.
745         (fold_builtin_snprintf_chk): Likewise.
746         (fold_builtin_printf): Likewise.
747         (fold_builtin_vprintf): Likewise.
748
749         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
750         constructors.
751         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
752         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
753         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
754         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
755         (fold_unary): Likewise.
756         (fold_binary): Likewise.
757         (fold_ternary): Remove CALL_EXPR case, since they are no longer
758         ternary expressions.
759         (fold): Add logic for tcc_vl_exp.
760         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
761         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
762         (fold_build3_stat): Add assertion to flag broken interface for
763         constructing CALL_EXPRs.
764         (fold_build_call_list): New.
765         (fold_build_call_list_initializer): New.
766         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
767         constructors.
768         (fold_strip_sign_ops): Likewise.
769
770 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
771             Brooks Moses  <brooks.moses@codesourcery.com>
772             Lee Millward  <lee.millward@codesourcery.com>
773
774         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
775         accessors and dump arguments explicitly.
776
777         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
778         TREE_CODE_LENGTH.
779         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
780         explicitly.
781         (print_call_name): Use new CALL_EXPR accessors.
782
783         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
784         CALL_EXPR arguments explicitly instead of as a list.  Use
785         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
786
787         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
788         (vrp_visit_stmt): Likewise.
789
790         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
791         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
792         TREE_CODE_LENGTH.
793         (force_move_till_expr): Likewise.
794
795         * targhooks.c (default_external_stack_protect_fail): Use
796         build_call_expr instead of build_function_call_expr.
797         (default_hidden_stack_protect_fail): Likewise.
798
799         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
800         build the call.
801
802         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
803         and walk arguments explicitly.
804
805         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
806         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
807         (expand_simple_operations): Likewise.
808         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
809
810         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
811         of TREE_CODE_LENGTH.
812         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
813
814         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
815         instead of TREE_CODE_LENGTH.
816
817         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
818         (tree_ic_transform): Likewise.
819         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
820         parameter instead of arglist.  Fix callers.
821         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
822         (tree_stringops_transform): Likewise.
823         (tree_indirect_call_to_profile): Likewise.
824         (tree_stringops_values_to_profile): Likewise.
825
826         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
827         (eliminate_tail_call): Likewise.
828
829         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
830
831         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
832         Use TREE_OPERAND_LENGTH and generalize to handle any number of
833         operands.
834         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
835
836         * omp-low.c (build_omp_barrier): Use build_call_expr.
837         (lower_rec_input_clauses): Likewise.
838         (lower_reduction_clauses): Likewise.
839         (expand_parallel_call): Likewise.
840         (maybe_catch_exception): Likewise.
841         (expand_omp_for_generic): Likewise.
842         (expand_omp_for_static_nochunk): Likewise.
843         (expand_omp_sections): Likewise.
844         (lower_omp_single_simple): Likewise.
845         (lower_omp_single_copy): Likewise.
846         (lower_omp_master): Likewise.
847         (lower_omp_ordered): Likewise.
848         (lower_omp_critical): Likewise.
849
850         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
851         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
852
853         * tree-gimple.c (is_gimple_call_addr): Fix doc.
854         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
855         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
856
857         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
858         and generalize to handle any number of operands.
859         (chrec_contains_undetermined): Likewise.
860         (tree_contains_chrecs): Likewise.
861         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
862
863         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
864
865         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
866         fold_call_expr instead of fold_builtin.
867         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
868         match declarations there.
869         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
870         updates.
871
872         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
873         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
874
875         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
876         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
877
878         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
879         accessors.
880
881         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
882         (execute_cse_sincos): Use new CALL_EXPR accessors.
883
884         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
885
886         * gimple-low.c (lower_function_body): Use build_call_expr.
887         (lower_builtin_setjmp): Likewise.
888
889         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
890         (set_storage_via_libcall): Likewise.
891         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
892         instead of TREE_CODE_LENGTH.
893         (expand_expr_real_1): Use new CALL_EXPR accessors.
894
895         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
896         generalize to handle any number of operands.
897         (TB_parent_eq): Likewise.
898
899         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
900         (strip_builtin_expect): Likewise.
901
902         * function.c (gimplify_parameters): Use build_call_expr.
903
904         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
905         instead of TREE_CODE_LENGTH.
906
907         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
908         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
909
910         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
911         iterators.
912
913         * gimplify.c (build_stack_save_restore): Use build_call_expr.
914         (gimplify_decl_expr): Likewise.
915         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
916         Use new CALL_EXPR iterators.
917         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
918         (gimplify_modify_expr_to_memset): Likewise.
919         (gimplify_variable_sized_compare): Likewise.
920         (gimplify_omp_atomic_fetch_op): Likewise.
921         (gimplify_omp_atomic_pipeline): Likewise.
922         (gimplify_omp_atomic_mutex): Likewise.
923         (gimplify_function_tree): Likewise.
924
925         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
926         (call_expr_flags): Likewise.
927         (expand_call): Likewise.
928
929         * except.c (expand_builtin_eh_return_data_regno): Pass entire
930         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
931         accessors.
932
933         * coverage.c (create_coverage): Use build_call_expr.
934
935         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
936         (temp_call_expr_obstack): New.
937         (pool_copy_list): Delete.
938         (temp_copy_call_expr): New.
939         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
940         CALL_EXPR accessors.  Get rid of special goo for copying argument
941         lists and use temp_copy_call_expr instead.
942         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
943         CALL_EXPR accessors.
944         (create_expression_by_pieces): Likewise.  Use build_call_array
945         to construct the result instead of fold_build3.
946         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
947         dealing with argument lists.
948         (init_pre): Remove references to expression_node_pool and
949         list_node_pool.  Init temp_call_expr_obstack instead.
950         (fini_pre): Remove references to expression_node_pool and
951         list_node_pool.
952
953         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
954         and walk arguments explicitly instead of as a list.
955
956         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
957         (mx_register_decls): Likewise.
958         (mudflap_register_call): Likewise.
959         (mudflap_finish_file): Likewise.
960
961         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
962         (ipa_callsite_compute_param): Likewise.
963
964         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
965         accessors and constructor.
966
967         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
968         accessors and constructor.
969         (convert_tramp_reference): Likewise.
970         (convert_call_expr): Likewise.
971         (finalize_nesting_tree_1): Likewise.
972
973         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
974         accessors.
975
976         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
977
978         * tree-inline.c (initialize_inlined_parameters): Pass entire
979         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
980         accessors.
981         (estimate_num_insns_1): Use new CALL_EXPR accessors.
982         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
983
984         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
985         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
986         (vectorizable_reduction): Likewise.
987         (vectorizable_call): Use new CALL_EXPR iterators.
988         (vectorizable_conversion): Use build_call_expr.
989         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
990         (vect_gen_widened_results_half): Use build_call_expr.
991         (vect_setup_realignment): Likewise.
992         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
993
994         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
995         (pass_through_call): Likewise.
996         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
997         fold_builtin.
998
999         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1000         (tree_gen_pow2_profiler): Likewise.
1001         (tree_gen_one_value_profiler): Likewise.
1002         (tree_gen_ic_func_profiler): Likewise.
1003         (tree_gen_average_profiler): Likewise.
1004         (tree_gen_ior_profiler): Likewise.
1005
1006         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1007         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1008         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1009
1010         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1011         of TREE_CODE_LENGTH.
1012
1013         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1014         of TREE_CODE_LENGTH.
1015
1016         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1017         constructor.
1018         (convert_to_integer): Likewise.
1019
1020         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1021         accessors.
1022
1023 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1024             Brooks Moses  <brooks.moses@codesourcery.com>
1025             Lee Millward  <lee.millward@codesourcery.com>
1026
1027         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1028         accessors.
1029         * config/frv/frv.c (frv_expand_builtin): Likewise.
1030         * config/s390/s390.c (s390_expand_builtin): Likewise.
1031
1032         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1033         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1034
1035         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1036         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1037         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1038         (ix86_expand_store_builtin): Likewise.
1039         (ix86_expand_unop_builtin): Likewise.
1040         (ix86_expand_unop1_builtin): Likewise.
1041         (ix86_expand_sse_compare): Likewise.
1042         (ix86_expand_sse_comi): Likewise.
1043         (ix86_expand_vec_init_builtin): Likewise.
1044         (ix86_expand_vec_ext_builtin): Likewise.
1045         (ix86_expand_vec_set_builtin): Likewise.
1046         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1047
1048         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1049         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1050
1051         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1052         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1053         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1054
1055         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1056         build_call_expr.
1057         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1058         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1059         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1060         (altivec_expand_abs_builtin): Likewise.
1061         (rs6000_expand_binop_builtin): Likewise.
1062         (altivec_expand_predicate_builtin): Likewise.
1063         (altivec_expand_lv_builtin): Likewise.
1064         (spe_expand_stv_builtin): Likewise.
1065         (altivec_expand_stv_builtin): Likewise.
1066         (rs6000_expand_ternop_builtin): Likewise.
1067         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1068         (altivec_expand_st_builtin): Likewise.
1069         (altivec_expand_dst_builtin): Likewise.
1070         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1071         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1072         (altivec_expand_vec_set_builtin): Likewise.
1073         (altivec_expand_vec_ext_builtin): Likewise.
1074         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1075         (spe_expand_builtin): Likewise.
1076         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1077         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1078         (spe_expand_evsel_builtin): Likewise.
1079         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1080         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1081
1082         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1083         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1084         (arm_expand_unop_builtin): Likewise.
1085         (arm_expand_builtin): Use new CALL_EXPR accessors.
1086
1087         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1088         accessors.
1089
1090         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1091         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1092         (bfin_expand_unop_builtin): Likewise.
1093         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1094
1095 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1096             Brooks Moses  <brooks.moses@codesourcery.com>
1097             Lee Millward  <lee.millward@codesourcery.com>
1098
1099         * c-semantics.c (build_stmt): Add internal diagnostic check.
1100
1101         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1102         accessors.  Print arguments explicitly instead of as a list.
1103
1104         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1105
1106         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1107         (c_finish_omp_flish): Likewise.
1108
1109         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1110         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1111         instead of TREE_CODE_LENGTH.
1112         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1113         (c_warn_unused_result): Likewise.
1114
1115 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1116
1117         PR c/26494
1118         * doc/invoke.texi (Warning Options): Remove
1119         -Werror-implicit-function-declaration.
1120         (Wimplicit-function-declaration): Update description.
1121         * opts.c (common_handle_option): Move handling of -Werror=* to...
1122         (enable_warning_as_error): ...here.
1123         * opts.h (enable_warning_as_error): Declare.
1124         * c-decl.c (implicit_decl_warning): Unless
1125         -Wno-implicit-function-declaration is given, emit a pedwarn if
1126         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1127         * c.opt (Wimplicit-function-declaration): Replace
1128         mesg_implicit_function_declaration with
1129         warn_implicit_function_declaration.
1130         * c-opts.c (c_common_handle_option):
1131         -Werror-implicit-function-declaration is exactly equal as
1132         -Werror=implicit-function-declaration.
1133         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1134         warn_implicit_function_declaration.
1135         (c_common_post_options): -Wimplict-function-declaration is enabled
1136         by default by -std=c99, otherwise is disabled by default.
1137         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1138
1139 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1140
1141         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1142         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1143         former is ignored but not the latter.
1144
1145 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1146
1147         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1148         is made and the reference doesn't use the alias set of its type,
1149         do not create the temporary using that type.
1150
1151 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1152
1153         * jump.c: Remove prototypes for delete_computation and
1154         delete_prior_computation.
1155
1156 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1157
1158         * jump.c (get_label_after): Delete.
1159         (get_label_before, delete_computation, delete_jump,
1160         delete_prior_computation, follow_jumps): Move...
1161         * reorg.c (delete_computation, delete_prior_computation): ... here...
1162         (get_label_before, delete_jump): ... making these static ...
1163         (follow_jumps): ... and simplifying this since it only runs after
1164         reload.
1165         * rtl.h (get_label_after, get_label_before, delete_jump,
1166         follow_jumps): Delete prototypes.
1167
1168 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1169
1170         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1171
1172 2007-02-15  Nick Clifton  <nickc@redhat.com>
1173
1174         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1175         order to prevent it from being munged by the target.
1176
1177 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1178
1179         * config/i386/i386.md: Remove misleading comment.
1180
1181 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1182
1183         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1184         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1185         invalid patterns.
1186
1187 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1188
1189         * tree-sra.c (instantiate_missing_elements): Canonicalize
1190         bit-field types.
1191         (sra_build_assignment): New.
1192         (generate_copy_inout, generate_element_copy,
1193         generate_element_zero, generate_one_element_init): Use it.
1194
1195 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1196
1197         * tree-sra.c (instantiate_missing_elements): Canonicalize
1198         bit-field types.
1199         (sra_build_assignment): New.
1200         (generate_copy_inout, generate_element_copy,
1201         generate_element_zero, generate_one_element_init): Use it.
1202
1203 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1204
1205         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1206         limbo die nodes.
1207
1208 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1209
1210         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1211         types as aggregates not scalars.
1212         * function.c (assign_stack_temp_for_type): Likewise.
1213
1214 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1215             Zdenek Dvorak  <dvorakz@suse.cz>
1216
1217         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1218         name.
1219
1220 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1221
1222         * passes.c (next_pass_1): Clear the next field of the copied
1223         pass structure.
1224
1225 2007-02-14  Richard Henderson  <rth@redhat.com>
1226
1227         * tree-sra.c (early_sra): New.
1228         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1229         (tree_sra_early, pass_sra_early): New.
1230         * tree-pass.h (pass_sra_early): Declare.
1231         * passes.c (init_optimization_passes): Use it.
1232
1233 2007-02-14  Richard Guenther  <rguenther@suse.de>
1234
1235         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1236
1237 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1238
1239          PR tree-optimization/30771
1240         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1241         also phi nodes.
1242         (vect_analyze_operations): Induction phis can now be marked as
1243         used_in_loop.
1244         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1245         Update documentation accordingly.
1246
1247 2007-02-14  Nick Clifton  <nickc@redhat.com>
1248
1249         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1250         most 3 arguments are supported.
1251         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1252
1253 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1254
1255         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1256         Ensure dst->current is valid.
1257
1258 2007-02-13  Paul Brook  <paul@codesourcery.com>
1259
1260         * config.gcc: Add arm*-*-uclinux-*eabi.
1261         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1262         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1263         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1264         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1265         (LINK_SPEC): Define.
1266         (LIB_SPEC): Define.
1267         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1268         register.
1269         * config/arm/uclinux-eabi.h: New file.
1270         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1271         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1272         based targets.
1273
1274 2007-02-13  Ian Lance Taylor  <iant@google.com>
1275
1276         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1277         * flags.h (warn_strict_overflow): Declare.
1278         (enum warn_strict_overflow_code): Define.
1279         (issue_strict_overflow_warning): New static inline function.
1280         * opts.c (warn_strict_overflow): New variable.
1281         (common_handle_option): Handle OPT_Wstrict_overflow and
1282         OPT_Wstrict_overflow_.
1283         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1284         OPT_Wall.
1285         * fold-const.c: Include intl.h.
1286         (fold_deferring_overflow_warnings): New static variable.
1287         (fold_deferred_overflow_warning): New static variable.
1288         (fold_deferred_overflow_code): New static variable.
1289         (fold_defer_overflow_warnings): New function.
1290         (fold_undefer_overflow_warnings): New function.
1291         (fold_undefer_and_ignore_overflow_warnings): New function.
1292         (fold_deferring_overflow_warnings_p): New function.
1293         (fold_overflow_warning): New static function.
1294         (make_range): Add strict_overflow_p parameter.  Change all
1295         callers.
1296         (extract_muldiv, extract_muldiv_1): Likewise.
1297         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1298         tree_expr_nonnegative_p.
1299         (fold_negate_expr): Call fold_overflow_warning.
1300         (fold_range_test): Likewise.
1301         (fold_comparison): Likewise.
1302         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1303         instead of tree_expr_nonnegative_p.
1304         (tree_expr_nonnegative_warnv_p): Rename from
1305         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1306         (tree_expr_nonnegative_p): New function.
1307         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1308         strict_overflow_p parameter.
1309         (tree_expr_nonzero_p): New function.
1310         * passes.c (verify_interpass_invariants): New static function.
1311         (execute_one_pass): Call it.
1312         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1313         warnings.
1314         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1315         (estimate_numbers_of_iterations): Likewise.
1316         (scev_probably_wraps_p): Likewise.
1317         * tree-ssa-ccp.c: Include "toplev.h".
1318         (evaluate_stmt): Defer fold overflow warnings until we know we are
1319         going to optimize.
1320         (struct fold_stmt_r_data): Add stmt field.
1321         (fold_stmt_r): Defer fold overflow warnings until we know we
1322         optimized.
1323         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1324         (fold_stmt_inplace): Likewise.
1325         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1326         (cleanup_control_expr_graph): Defer fold overflow warnings until
1327         we know we are going to optimize.
1328         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1329         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1330         Likewise.
1331         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1332         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1333         * tree-ssa-loop-manip.c (create_iv): Likewise.
1334         * c-typeck.c (build_conditional_expr): Likewise.
1335         (build_binary_op): Likewise.
1336         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1337         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1338         (extract_range_from_unary_expr): Likewise.
1339         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1340         assuming that signed overflow does not occur.
1341         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1342         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1343         (fold_defer_overflow_warnings): Declare.
1344         (fold_undefer_overflow_warnings): Declare.
1345         (fold_undefer_and_ignore_overflow_warnings): Declare.
1346         (fold_deferring_overflow_warnings_p): Declare.
1347         (tree_expr_nonzero_warnv_p): Declare.
1348         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1349         of warning options.
1350         (Warning Options): Document -Wstrict-overflow.
1351         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1352         (tree-ssa-ccp.o): Likewise.
1353         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1354         (fold-const.o): Depend on intl.h.
1355
1356 2007-02-13  Ian Lance Taylor  <iant@google.com>
1357
1358         PR middle-end/30751
1359         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1360         addresses.
1361
1362 2007-02-13  Stuart Hastings  <stuart@apple.com>
1363
1364         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1365
1366 2007-02-13  Richard Henderson  <rth@redhat.com>
1367
1368         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1369         handled_component_p before looking for the indirect_ref.
1370
1371 2007-02-13  Richard Henderson  <rth@redhat.com>
1372
1373         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1374         remove flags clobber.
1375         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1376         (bswaphi_lowpart): New.
1377         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1378         remove TARGET_BSWAP test.  Delete expander of the same name.
1379
1380         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1381         (expand_unop): Use them.
1382
1383 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1384
1385         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1386         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1387         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1388         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1389         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1390         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1391         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1392         assembler dialect choice from asm templates.
1393
1394 2007-02-12  Richard Henderson  <rth@redhat.com>
1395
1396         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1397         (fixuns_trunc<SSEMODEF>si2): Use it.
1398         * config/i386/sse.md (vec_setv4sf_0): Export.
1399         * config/i386/i386.c (ix86_build_const_vector): Export.
1400         (ix86_split_convert_uns_si_sse): Rename from
1401         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1402         * config/i386/i386-protos.h: Update.
1403
1404 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1405
1406         PR c/29521
1407         * c-typeck.c (c_finish_return): Improve warning message.
1408
1409 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1410
1411         * alias.c (find_symbolic_term): Delete unused function.
1412
1413 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1414
1415         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1416         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1417         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1418
1419 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1420
1421         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1422         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1423         the function, temporarily point the debug interface to the null one.
1424
1425 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1426
1427         * dwarf2out.c (round_up_to_align): New static function.
1428         (field_byte_offset): Use it to round the offset.
1429
1430 2007-02-12  Richard Henderson  <rth@redhat.com>
1431
1432         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1433         (inswl_const): Export.
1434
1435 2007-02-12  Richard Henderson  <rth@redhat.com>
1436
1437         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1438         result mode of the libcall, convert back to outmode.
1439
1440 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1441
1442         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1443         (bswapdi2): New define_expand to implement 32-bit implementation.
1444
1445 2007-02-12  Nick Clifton  <nickc@redhat.com>
1446
1447         * doc/invoke.texi (Overall Options): Document --help=.
1448         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1449         (cc1_options): Pass --help= on to cc1.
1450         (display_help): Add description of --help=.
1451         (process_command): Add code to handle --help=.  Allow translated
1452         --help and --target-help switches to be passed on to compiler
1453         sub-process.
1454         (main): Remove unused if statement.
1455         * opts.c (columns): Remove.
1456         (LEFT_COLUMN): Define.
1457         (wrap_help): Add columns argument.
1458         (print_filtered_help): Change parameters to be an include bitmask,
1459         an exclude bitmask, an any bitmask and the column width.  Move the
1460         code to display the params list here.  Add code to display the
1461         status of options rather than their descriptions if the quiet flag
1462         is not active.
1463         (print_specific_help): Change parameters to be an include bitmask,
1464         an exclude bitmask and an any bitmask.  Move code to look up the
1465         column width here.  Decide upon the title for an options listing.
1466         (common_handle_options): Add code to handle --help=.  Adapt code
1467         for --help and --target-help to use the revised form of the
1468         print_specific_help function.
1469         (print_help): Delete.
1470         (print_param_help): Delete.
1471         (print_switch): Delete.
1472         * opts.h (cl_lang_count): Add prototype.
1473         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1474         CL_MAX_OPTION_CLASS): New defines.
1475         * optc-gen.awk: Add construction of cl_lang_count.
1476         * c.opt: Add Warning attribute to warning options and Optimization
1477         attribute to optimization options.
1478         * common.opt: Likewise.
1479         Add --help=.
1480         Add -fhelp and -ftarget-help as aliases for the transformed --help
1481         and --target-help options.
1482         * opt-functions.awk: Add code to handle Warning and Optimization
1483         attributes.
1484
1485 2007-02-12  Richard Henderson  <rth@redhat.com>
1486
1487         * config/alpha/constraints.md: New file.
1488         * config/alpha/alpha.c: Include tm-constrs.h.
1489         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1490         alpha_extra_constraint): Remove.
1491         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1492         * config/alpha/alpha-protos.h: Update.
1493         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1494         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1495         (EXTRA_CONSTRAINT): Remove.
1496         * config/alpha/alpha.md: Include constraints.md.
1497         (adddi splitter): Use satisfies_constraint_*.
1498         * config/alpha/predicates.md (add_operand): Likewise.
1499         (sext_add_operand, addition_operation): Likewise.
1500
1501 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1502
1503         PR tree-optimization/29145
1504         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1505         in our handling of restrict qualified pointers.
1506
1507 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1508
1509         PR middle-end/7651
1510         * doc/invoke.texi (Wunused-value): Update description.
1511         (Wextra): Delete item.
1512         * opts.c (set_Wextra): Don't use the value of Wextra to set the
1513         value of Wunused-value.
1514         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1515         (c_finish_stmt_expr): Don't check extra_warnings.
1516         (emit_side_effect_warnings): The caller is responsible to check
1517         warn_unused_value.
1518
1519 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1520             Matt Thomas  <matt@3am-software.com>
1521
1522         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1523
1524 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1525
1526         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1527         comparisons of POPCOUNT against zero.
1528         (simplify_const_relational_operation): Likewise.
1529
1530 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1531
1532         * doc/invoke.texi (Wextra): Delete outdated paragraph.
1533
1534 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1535
1536         * dwarf2out.c (root_type): Delete unused function.
1537
1538 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1539
1540         * genattrtab.c (contained_in_p): Delete unused function.
1541         (write_expr_attr_cache): Likewise.
1542
1543 2007-02-11  Jan Hubicka  <jh@suse.cz>
1544
1545         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1546         previous patch.
1547
1548 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
1549
1550         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
1551         to add the REG_EQ* note.
1552         * see.c (see_merge_one_use_extension): Likewise.
1553         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
1554         turn REG_EQUAL notes into REG_EQUIV notes if the target
1555         register may have more than one set.
1556         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
1557         * gcse.c (try_replace_reg): Likewise.
1558         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
1559         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
1560         more than one REG_EQUIV note.
1561         * reload1.c (gen_reload): Use set_unique_reg_note.
1562
1563 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
1564
1565         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
1566         (ix86_builtin_conversion): New function.
1567
1568 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
1569
1570         PR target/29487
1571         * tree.h (DECL_REPLACEABLE_P): New macro.
1572         * except.c (set_nothrow_function_flags): Likewise.
1573
1574 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
1575             Ira Rosen  <irar@il.ibm.com>
1576             Dorit Nuzman  <dorit@il.ibm.com>
1577
1578         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
1579         * targhooks.c (default_builtin_vectorized_conversion): New.
1580         * targhooks.h (default_builtin_vectorized_function): New declaration.
1581         * target.h (struct vectorize): Add builtin_conversion field.
1582         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
1583         stmt_vec_info_type value.
1584         (vectorizable_conversion): New declaration.
1585         * tree-vect-analyze.c (vect_analyze_operations): Add
1586         vectorizable_conversion call.
1587         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
1588         * tree-vect-transform.c (vectorizable_conversion): New function.
1589         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
1590         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1591         mode.
1592         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
1593         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
1594         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
1595         or ALTIVEC_BUILTIN_VCFSX.
1596
1597 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1598
1599         PR target/30634
1600         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
1601         CONST_DOUBLE and operand 0 is a hard register.
1602         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
1603         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
1604         is a hard floating-point register.
1605
1606 2007-02-10  Richard Henderson  <rth@redhat.com>
1607             Jakub Jelinek  <jakub@redhat.com>
1608             Alexandre Oliva  <aoliva@redhat.com>
1609
1610         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
1611         * builtin-types.def (BT_WORD): Make unsigned.
1612         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1613         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1614         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1615         * c-decl.c (grokdeclarator): Don't error if !have_tls.
1616         * c-parser.c (c_parser_omp_threadprivate): Likewise.
1617         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1618         emulated tls.
1619         * expr.c (emutls_var_address): New.
1620         (expand_expr_real_1): Expand emulated tls.
1621         (expand_expr_addr_expr_1): Likewise.
1622         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1623         * output.h (emutls_finish): Declare.
1624         * toplev.c (compile_file): Call it.
1625         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1626         address before wrapping in CONST.
1627         * varasm.c (emutls_htab, emutls_object_type): New.
1628         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1629         (get_emutls_object_name, get_emutls_object_type): New.
1630         (get_emutls_init_templ_addr, emutls_decl): New.
1631         (emutls_common_1, emutls_finish): New.
1632         (assemble_variable): When emulating tls, swap decls; generate
1633         constructor for the emutls objects.
1634         (do_assemble_alias): When emulating tls, swap decl and target name.
1635         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1636         for emulated tls.
1637         * varpool.c (decide_is_variable_needed): Look at force_output.
1638         Recurse for emulated tls.
1639         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
1640         with decide_is_variable_needed.
1641         * emutls.c: New file.
1642         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1643         tls_object for real tls.
1644
1645 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1646
1647         PR rtl-optimization/29599
1648         * reload1.c (eliminate_regs_in_insn): Take the destination
1649         mode into account when computing the offset.
1650
1651 2007-02-09  Stuart Hastings  <stuart@apple.com>
1652             Richard Henderson  <rth@redhat.com>
1653
1654         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1655         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1656         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
1657         fixuns_truncdfhi2): New.
1658         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
1659         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
1660         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
1661         (floatunssidf2): Allow nonimmediate source.
1662         * gcc/config/i386/sse.md (movdi_to_sse): New.
1663         (vec_concatv2di): Drop '*'.
1664         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
1665         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1666         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
1667         New.
1668         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
1669         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1670         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
1671         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
1672         (ix86_build_signbit_mask): Fix decl of v, refactor to call
1673         ix86_build_const_vector.
1674         (x86_emit_floatuns): Rewrite.
1675
1676 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1677
1678         * genautomata.c (longest_path_length): Delete unused function.
1679         (struct state): Delete unused longest_path_length.
1680         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
1681         (get_free_state): Delete unused.
1682
1683 2007-02-09  Jan Hubicka  <jh@suse.cz>
1684
1685         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
1686         * doc/invoke.texi (inline-unit-growth): Update default value.
1687
1688         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
1689         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
1690         (rebuild_cgraph_edges): Likewise.
1691         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
1692         (dump_cgraph_node): Dump frequencies.
1693         (cgraph_clone_edge): Add frequency scales.
1694         (cgraph_clone_node): Add freuqnecy.
1695         * cgraph.h (cgraph_edge): Add freuqnecy argument.
1696         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
1697         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
1698         * tree-pass.h (TODO_rebuild_frequencies): New constant.
1699         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
1700         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
1701         (save_inline_function_body): Likewise.
1702         * ipa-inline.c: inluce rtl.h
1703         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
1704         (cgraph_edge_badness): Use frequencies.
1705         (cgraph_decide_recursive_inlining): Update clonning.
1706         (cgraph_decide_inlining_of_small_function): Dump frequency.
1707         * predict.c (estimate_bb_frequencies): Export.
1708         * predict.h (estimate_bb_frequencies): Declare.
1709         * tree-inline.c (copy_bb): Watch overflows.
1710         (expand_call_inline): Update call of cgraph_create_edge.
1711         (optimize_inline_calls): Use TODO flags to update frequnecies.
1712         * passes.h: Include predict.h
1713         (init_optimization_passes): Move profile ahead.
1714         (execute_function_todo): Handle TODO_rebuild_frequencies.
1715
1716 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1717
1718         * config/alpha/alpha.c (emit_insxl): Force the first operand of
1719         the insbl or inswl pattern into a register.
1720
1721 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1722
1723         * config/ia64/ia64.md (bswapdi2): New define_insn.
1724
1725 2007-02-09  Richard Henderson  <rth@redhat.com>
1726
1727         * config/i386/constraints.md (Ym): New constraint.
1728         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
1729         (movdi_1_rex64): Split sse and xmm general register moves from
1730         memory move alternatives.  Use conditional register constraints.
1731         (movsf_1, movdf_integer): Likewise.
1732         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
1733         (movdf_integer_rex64): New.
1734         (pushsf_rex64): Fix output constraints.
1735         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
1736         (sse2_stored): Likewise.
1737         (sse2_storeq_rex64): New.
1738         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
1739         amd and not generic.
1740         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
1741         for optimize_size.  Remove SF/DFmode hack.
1742
1743 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1744
1745         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
1746         (bit_SSE4a): New.
1747
1748 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
1749             Richard Sandiford  <richard@codesourcery.com>
1750
1751         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
1752         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
1753         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
1754         m68k/t-mlib to tmake_file.
1755         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
1756         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
1757         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
1758         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
1759         variable is not empty, add t-$m68k_arch_family to tmake_file.
1760         Add t-mlibs to tmake_file.
1761         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
1762         * config/m68k/t-cf: New file.
1763         * config/m68k/t-m68k: Likewise.
1764         * config/m68k/t-mlibs: Likewise.
1765         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1766         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1767         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1768         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1769         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
1770         Delete.
1771         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
1772         (INSTALL_LIBGCC): Delete.
1773         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1774         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1775         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1776         (M68K_MLIB_CPU): Define.
1777         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1778         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1779         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
1780
1781 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1782             Richard Guenther  <rguenther@suse.de>
1783
1784         PR middle-end/23361
1785         * fold-const.c (fold_comparison): Handle obfuscated comparisons
1786         against INT_MIN/INT_MAX.
1787         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
1788         file if a loop is removed.
1789
1790 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
1791
1792         * calls.c (store_one_arg): Pass correct alignment to
1793         emit_push_insn for non-BLKmode values.
1794         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
1795         unaligned stack slot via a suitably aligned slot.
1796
1797 2007-02-08  DJ Delorie  <dj@redhat.com>
1798
1799         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
1800         warnings.
1801         (legal_subregs): Use unsigned char, make const.
1802         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
1803
1804 2007-02-08  Paul Brook  <paul@codesourcery.com>
1805
1806         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
1807         special interworking needed.
1808
1809 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
1810
1811         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
1812         conditional to __SSE2__.
1813         (Entries below should have been added to first ChangeLog
1814         entry for amdfam10 dated 2007-02-05)
1815         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
1816         defined.
1817         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
1818         defined.
1819         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
1820         defined.
1821
1822 2007-02-08  DJ Delorie  <dj@redhat.com>
1823
1824         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
1825         * config/m32c/m32c.c (legal_subregs): New.
1826         (m32c_illegal_subreg_p): New.
1827         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
1828         unsupported subregs of hard regs.
1829
1830 2007-02-08  Jan Hubicka  <jh@suse.cz>
1831
1832         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
1833         the same one; always update histograms.
1834
1835 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
1836
1837         * passes.c (init_optimization_passes): Tidy comment.
1838
1839 2007-02-08  Roger Sayle  <roger@eyesopen.com>
1840
1841         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
1842         strip zero_extend, bswap and rotates from POCOUNT's argument.
1843         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
1844         zero_extend and rotates from PARITY's argument.
1845         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
1846         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
1847         of an integer constant at compile-time.
1848
1849 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
1850
1851         PR 30562
1852         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
1853         Update all users.
1854         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
1855         users.
1856         (init_alias_info):
1857         * tree-ssa-live.c (remove_unused_locals): Do not remove
1858         TREE_ADDRESSABLE variables.
1859         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
1860         * tree-ssa-operands.c (add_virtual_operand): Remove argument
1861         FOR_CLOBBER.  Update all users.
1862         If VAR has an associated alias set, add a virtual operand for
1863         it if no alias is found to conflict with the memory reference.
1864
1865 2007-02-07  Jan Hubicka  <jh@suse.cz>
1866             Robert Kidd <rkidd@crhc.uiuc.edu>
1867
1868         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
1869
1870 2007-02-07  Ian Lance Taylor  <iant@google.com>
1871
1872         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
1873
1874 2007-02-07  Roger Sayle  <roger@eyesopen.com>
1875
1876         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
1877         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
1878         tablejumpdi, movsi_to_cr_one): Remove constraints from
1879         define_expand's match_operands.
1880
1881 2007-02-07  Roger Sayle  <roger@eyesopen.com>
1882
1883         * global.c (compute_regsets): Move declatation of "i" inside of
1884         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
1885
1886 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
1887
1888         PR c++/30703
1889         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
1890         of INDIRECT_REF <RESULT_DECL>.
1891
1892         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
1893
1894 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
1895             Kaz Kojima  <kkojima@gcc.gnu.org>
1896
1897         PR target/29746
1898         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
1899         properly.
1900         (sh_initialize_trampoline): Add parentheses to avoid a warning.
1901
1902 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
1903
1904         * doc/loop.texi: Document possibility not to perform disambiguation
1905         of loops with multiple latches.
1906         * cfgloopmanip.c (alp_enum_p): Removed.
1907         (add_loop): Handle subloops.  Use get_loop_body_with_size.
1908         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
1909         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
1910         the new forwarder block.
1911         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
1912         Handle the case latch is NULL.
1913         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
1914         when marking loop exits.
1915         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
1916         be modified.
1917         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
1918         disambiguate_loops_with_multiple_latches.
1919         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
1920         before fix_loop_structure.
1921         * cfgloop.c: Include pointer-set.h and output.h.
1922         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
1923         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
1924         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
1925         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
1926         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
1927         disambiguate_multiple_latches, get_loop_body_with_size,
1928         disambiguate_loops_with_multiple_latches): New functions.
1929         (flow_loop_dump): Dump multiple latch edges.
1930         (flow_loop_nodes_find): Handle loops with multiple latches.
1931         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
1932         (glb_enum_p): Modified.
1933         (get_loop_body): Use get_loop_body_with_size.
1934         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
1935         (AVOID_CFG_MODIFICATIONS): New constant.
1936         (disambiguate_loops_with_multiple_latches, add_loop,
1937         get_loop_body_with_size): Declare.
1938         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
1939
1940 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
1941
1942         PR inline-asm/28686
1943         * global.c (compute_regsets): New function.
1944         (global_alloc): Refactored ELIMINABLE_REGSET
1945         and NO_GLOBAL_ALLOC_REGS computation out.
1946         (rest_of_handle_global_alloc): Call compute_regsets()
1947         for non-optimizing case.
1948
1949 2007-02-06  Richard Henderson  <rth@redhat.com>
1950
1951         * config/i386/constraints.md (Y2): Rename from Y.
1952         (Yi): New constraint.
1953         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
1954         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
1955         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
1956         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
1957         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
1958         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
1959         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
1960         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
1961         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
1962         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
1963         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
1964         vec_extractv2si_1): Change Y constraints to Y2.
1965         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
1966         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
1967         Change Y constraints to Y2.
1968         (sse2_loadld): Change Y constraints to x.
1969
1970 2007-02-06  Roger Sayle  <roger@eyesopen.com>
1971
1972         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
1973         (parity<mode>2): New define_expand using rs6000_emit_parity.
1974         * config/rs6000/rs6000.c (rs6000_emit_popcount,
1975         rs6000_emit_parity): New functions.
1976         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
1977         rs6000_emit_parity): Prototype here.
1978
1979 2007-02-06  Ian Lance Taylor  <iant@google.com>
1980
1981         * lower-subreg.c (simple_move_operand): Reject CONST.
1982         (resolve_clobber): Call validate_change rather than directly
1983         assigning to XEXP (pat, 0).
1984
1985 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
1986
1987         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
1988         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
1989         (tree-cfg.o): Remove hashtab.h dependency.
1990
1991         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
1992         (struct ivopts_data): Change niters to pointer_map_t.
1993         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
1994         (niter_for_exit): Create pointer_map on demand.  Change for
1995         pointer_map API.
1996         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
1997         (free_loop_data): Destroy data->niters if created and reset field.
1998         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
1999         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2000
2001         * tree-ssa-reassoc.c: Include pointer-set.h.
2002         (bb_rank): Change to long *.
2003         (operand_rank): Change to pointer_map_t.
2004         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2005         (insert_operand_rank): Accept long.
2006         (operand_entry_hash, operand_entry_eq): Remove.
2007         (get_rank): Return long.  Adjust for changes above.
2008         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2009         and operand_rank.
2010         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2011
2012         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2013         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2014         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2015         is not NULL.
2016         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2017         directly since it cannot be NULL.
2018         (get_vi_for_tree): Rewrite for pointer_map API.
2019         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2020         (init_alias_vars): Create vi_for_tree as pointer_map.
2021         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2022
2023         * tree-cfg.c: Don't include hashtab.h.
2024         (edge_to_cases): Declare as pointer_map.
2025         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2026         Delete.
2027         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2028         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2029         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2030         destroying it.
2031         (record_switch_edge): Delete.
2032         (get_cases_for_edge): Adjust for pointer_map API, inline
2033         record_switch_edge (rewritten for new API), remove goto.
2034
2035 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2036
2037         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2038         * tree-nested.c: Include pointer-set.h.
2039         (var_map_elt, var_map_eq, var_map_hash): Delete.
2040         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2041         to pointer_map_t's.
2042         (nesting_info_bitmap_obstack): New.
2043         (lookup_field_for_decl): Adjust for pointer_map API.
2044         (lookup_tramp_for_decl): Adjust for pointer_map API.
2045         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2046         (get_local_debug_decl): Adjust for pointer_map API.
2047         (convert_nl_goto_reference): Adjust for pointer_map API.
2048         (convert_nl_goto_receiver): Adjust for pointer_map API.
2049         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2050         the new obstack.  Create field_map and var_map as pointer_maps.
2051         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2052         (root): Delete.
2053         (lower_nested_functions): Move root here, no need to NULL it.
2054         Initialize and release the obstack.
2055
2056 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2057
2058         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2059         Remove prototypes and make them non-static.
2060         (struct tree_int_map): Remove.
2061         * tree.h (struct tree_int_map): Move here, turning TO into an
2062         unsigned int.
2063         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2064
2065         * tree.h (TREE_COMPLEXITY): Remove.
2066         (struct tree_exp): Remove complexity field.
2067         * tree.c (build1_stat): Don't set it.
2068
2069 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2070             Victor Kaplansky  <victork@il.ibm.com>
2071
2072         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2073         (vect_is_simple_reduction): Support reduction with induction as
2074         one of the operands.
2075         (vect_is_simple_iv_evolution): Fix formatting.
2076         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2077         formatting.  Don't mark induction phis for vectorization.
2078         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2079         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2080         (vect_get_vec_def_for_operand): Support induction.
2081         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2082         induction case.
2083         (vectorizable_reduction): Support reduction with induction as one of
2084         the operands.
2085         (vectorizable_type_demotion): Use def-type of stmt argument rather
2086         than dummy def-type.
2087
2088         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2089         flag_tree_scev_cprop.
2090         * common.opt (tree-scev-cprop): New flag.
2091
2092         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2093         call to vect_get_new_vect_var.
2094
2095 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2096
2097         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2098         vectype is not NULL.
2099         (vect_pattern_recog_1): Likewise.
2100
2101 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2102
2103         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2104         (fold_negate_expr): Likewise.
2105
2106 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2107
2108         PR debug/30189
2109         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2110         even if cv-qualification is the same.
2111
2112 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2113
2114         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2115         __enable_execute_stack on completion.
2116
2117 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2118
2119         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2120         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2121         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2122         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2123         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2124         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2125         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2126         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2127
2128 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2129
2130         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2131         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2132         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2133         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2134         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2135         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2136         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2137         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2138         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2139         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2140         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2141         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2142         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2143         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2144         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2145         sqrtextenddfxf2_i387): Added amdfam10_decode.
2146
2147         * config/i386/athlon.md (athlon_idirect_amdfam10,
2148         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2149         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2150         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2151         athlon_ivector_store_amdfam10): New define_insn_reservation.
2152         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2153         amdfam10.
2154
2155 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2156
2157         * config/i386/athlon.md (athlon_call_amdfam10,
2158         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2159         define_insn_reservation.
2160         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2161         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2162         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2163
2164 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2165
2166         * config/i386/athlon.md (athlon_sseld_amdfam10,
2167         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2168         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2169
2170 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2171
2172         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2173         define_insn_reservation.
2174         * config/i386/i386.md (sseins): Added sseins to define_attr type
2175         and define_attr unit.
2176         * config/i386/sse.md: Set type attribute to sseins for insertq
2177         and insertqi.
2178
2179 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2180
2181         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2182         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2183         ssecomi_load_amdfam10, ssecomi_amdfam10,
2184         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2185         define_insn_reservation.
2186         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2187
2188 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2189
2190         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2191         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2192         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2193         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2194         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2195         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2196         define_insn_reservation.
2197
2198         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2199         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2200         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2201         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2202         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2203
2204 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2205
2206         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2207         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2208         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2209         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2210         athlon_ssemul_load_k8): Added amdfam10.
2211
2212 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2213
2214         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2215         (x86_sse_unaligned_move_optimal): New variable.
2216
2217         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2218         m_AMDFAM10.
2219         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2220         for unaligned vector SSE double/single precision loads for AMDFAM10.
2221
2222 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2223
2224         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2225         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2226         Define TARGET_CPU_DEFAULT_amdfam10.
2227         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2228         (processor_type): Add PROCESSOR_AMDFAM10.
2229
2230         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2231         processor_type in config/i386/i386.h.
2232         Enable imul peepholes for TARGET_AMDFAM10.
2233
2234         * config.gcc: Add support for --with-cpu option for amdfam10.
2235
2236         * config/i386/i386.c (amdfam10_cost): New variable.
2237         (m_AMDFAM10): New macro.
2238         (m_ATHLON_K8_AMDFAM10): New macro.
2239         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2240         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2241         x86_promote_QImode, x86_integer_DFmode_moves,
2242         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2243         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2244         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2245         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2246         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2247         Enable/disable for amdfam10.
2248         (override_options): Add amdfam10_cost to processor_target_table.
2249         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2250         processor_alias_table.
2251         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2252         (ix86_adjust_cost): Add code for amdfam10.
2253
2254 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2255
2256         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2257         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2258         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2259         * config/i386/i386.h: Add builtin definition for SSE4A.
2260         * config/i386/i386.md: Add support for ABM instructions
2261         (popcnt and lzcnt).
2262         * config/i386/sse.md: Add support for SSE4A instructions
2263         (movntss, movntsd, extrq, insertq).
2264         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2265         Add -march=amdfam10 flag.
2266         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2267         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2268         and amdfam10.
2269         * doc/extend.texi: Add documentation for SSE4A builtins.
2270
2271 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2272
2273         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2274
2275 2007-02-05  Richard Guenther  <rguenther@suse.de>
2276
2277         * tree-vectorizer.h (vectorizable_function): Add argument type
2278         argument, change return type.
2279         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2280         * tree-vect-transform.c (vectorizable_function): Handle extra
2281         argument, return vectorized function decl.
2282         (build_vectorized_function_call): Remove.
2283         (vectorizable_call): Handle calls with result and argument types
2284         differing.  Handle loop vectorization factor correctly.
2285         * targhooks.c (default_builtin_vectorized_function): Adjust for
2286         extra argument.
2287         * targhooks.h (default_builtin_vectorized_function): Likewise.
2288         * target.h (builtin_vectorized_function): Add argument type
2289         argument.
2290         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2291         extra argument, allow vectorizing of lrintf.
2292         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2293         documentation of target hook.
2294
2295 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2296
2297         PR target/30665
2298         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2299         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2300         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2301
2302 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2303
2304         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2305         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2306         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2307         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2308         before canonicalizing sincos to cexpi.
2309         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2310
2311 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2312
2313         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2314         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2315         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2316
2317 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2318
2319         * mips-tfile.c (initialize_init_file): Correct endianness test.
2320
2321 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2322
2323         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2324         the 'y' constraint.
2325
2326 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2327
2328         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2329         saves in a PARALLEL before the register assignments.
2330
2331 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2332
2333         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2334         DWARF_FRAME_RETURN_COLUMN to be a general register.
2335         * dwarf2out.c (init_return_column_size): New function, split from...
2336         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2337         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2338         to be nongeneral registers.
2339         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2340         integer registers.
2341         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2342         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2343
2344 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2345
2346         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2347
2348 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2349
2350         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2351         (remove_path): Use can_remove_branch_p and remove_branch instead
2352         of loop_delete_branch_edge.
2353         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2354         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2355         Update profile using scale_dominated_blocks_in_loop.
2356         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2357         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2358         (can_remove_branch_p, remove_branch): Declare.
2359         * tree-cfg.c (tree_can_remove_branch_p): New function.
2360         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2361         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2362         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2363
2364 2007-02-05  Jan Hubicka  <jh@suse.cz>
2365
2366         PR middle-end/30696
2367         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2368         nodes in cgraph, don't remove offline copy of the function.
2369
2370 2007-02-04  Jan Hubicka  <jh@suse.cz>
2371
2372         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2373         vectors might cause maybe_lookup_element_for_expr to be called
2374         on non-sra-candidate.
2375
2376 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2377
2378         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2379         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2380         spelling conventions.
2381
2382 2007-02-04  Richard Guenther  <rguenther@suse.de>
2383
2384         PR middle-end/30636
2385         * fold-const.c (try_move_mult_to_index): Make sure to not
2386         overflow one dimension of a multi-dimensional array access.
2387
2388 2007-02-04  Jan Hubicka  <jh@suse.cz>
2389
2390         * passes.c (init_optimization_passes): Reindent.
2391
2392 2007-02-04  Jan Hubicka  <jh@suse.cz>
2393             Eric Botcazou  <ebotcazou@adacore.com>
2394
2395         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2396         (execute_fixup_cfg): Break out the abnormal goto code.
2397         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2398         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2399         (optimize_inline_calls): Call make_nonlocal_label_edges.
2400
2401 2007-02-04  Jan Hubicka  <jh@suse.cz>
2402
2403         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2404         true when something was changed.
2405         (rename_ssa_copies): When something was changed, do
2406         TODO_remove_unused_locals.
2407         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2408         add TODO_remove_unused_locals when instruction was removed.
2409
2410 2007-02-04  Jan Hubicka  <jh@suse.cz>
2411
2412         * ipa-inline.c (try_inline): Improve debug output; work on already
2413         inline edges too.
2414         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2415         call try_inline for already inlined edges too when flattening;
2416         inline also functions that make callee growth but overall unit size
2417         reduce.
2418
2419 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2420
2421         * config/m32c/bitops.md, config/m32c/jump.md,
2422         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2423         config/m32r/m32r.h, config/m32r/m32r.md,
2424         config/m32r/predicates.md, config/m68hc11/larith.asm,
2425         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2426         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2427         config/mips/mips-protos.h, config/mips/mips.c,
2428         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2429         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2430         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2431         spelling conventions.
2432
2433         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2434         Follow spelling conventions.
2435
2436 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2437
2438         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2439         warn about C++0x compatibility.
2440
2441 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2442
2443         * config/h8300/h8300.c, config/h8300/h8300.h,
2444         config/h8300/h8300.md: Follow spelling conventions.
2445
2446 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2447
2448         PR middle-end/30667
2449         * combine.c (try_combine): Do not substitute source operand
2450         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2451
2452 2007-02-03  Jan Hubicka  <jh@suse.cz>
2453
2454         PR gcov-profile/30650
2455         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2456         do not divide by zero for never executed counters.
2457         (tree_find_values_to_profile): Fix counters.
2458         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2459
2460 2007-02-03  Ian Lance Taylor  <iant@google.com>
2461
2462         * lower-subreg.c (simple_move_operand): New static function,
2463         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2464         operands.
2465         (simple_move): Call simple_move_operand.
2466         (find_decomposable_subregs): Add special handling of MEMs.
2467         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2468         meaning of return value.  If we see a hard register, test whether
2469         it can store a word_mode value.  Change all callers.
2470
2471 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2472
2473         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2474         ftrapv insns and expanders.
2475         (subdi3): Change define_expand operand 1 to arith11_operand, and
2476         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2477         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2478         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2479         respectively.
2480
2481         PR middle-end/30174
2482         * varasm.c (notice_global_symbol): Treat global objects as weak when
2483         flag_shlib is true.
2484
2485 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2486
2487         * emit-rtl.c (dconstpi): Delete.
2488         (dconstsqrt2): New.
2489         (init_emit_once): Delete dconstpi and init dconstsqrt2.
2490         * real.h (dconstpi): Delete.
2491         (dconstsqrt2): New.
2492         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2493         (fold_builtin_hypot): Likewise.
2494
2495 2007-02-03  Tom Tromey  <tromey@redhat.com>
2496
2497         PR driver/30246
2498         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2499         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2500
2501 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2502
2503         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2504         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2505         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2506         config/rs6000/cell.md, config/rs6000/darwin.h,
2507         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2508         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2509         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2510         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2511         typos.  Follow spelling conventions.
2512         * doc/invoke.texi: Follow spelling conventions.
2513
2514 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2515
2516         * simplify-rtx.c (simplify_relational_operation_1): Implement some
2517         canonicalization transformations that attempt to simplify integer
2518         constant comparisons to become comparisons against zero.
2519
2520 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2521
2522         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2523         fabs(x)*sqrt(2).
2524         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
2525         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
2526
2527 2007-02-02  Mike Stump  <mrs@apple.com>
2528
2529         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2530         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2531         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2532         generate a branch island.
2533
2534 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
2535
2536         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2537         (xtensa_legitimate_address_p): New.
2538         (xtensa_legitimize_address): New.
2539         (xtensa_output_addr_const_extra): New.
2540         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2541         (BASE_REG_P): New.
2542         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2543         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2544         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2545         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2546         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
2547         (xtensa_legitimize_address): New.
2548         (xtensa_output_addr_const_extra): New.
2549
2550 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
2551
2552         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2553
2554 2007-02-02  Ian Lance Taylor  <iant@google.com>
2555
2556         * expmed.c (expand_divmod): Add comment.
2557
2558 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
2559
2560         * emit-rtl.c (renumber_insns): Remove.
2561         * flags.h: Remove the extern for flag_renumber_insns.
2562         * rtl.h: Remove the prototype for renumber_insns.
2563         * toplev.c (flag_renumber_insns): Remove.
2564
2565 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
2566
2567         Revert for x86 darwin:
2568         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
2569
2570         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
2571         code before the following patch under TARGET_MACHO.
2572         (ix86_function_value_regno_p): Likewise.
2573
2574 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2575
2576         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
2577         COMPLEX_EXPR.
2578
2579 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2580
2581         PR target/29682
2582         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
2583         general or fp registers.  Add comments.
2584         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
2585
2586 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
2587
2588         * pointer-set.c (insert_aux): Only return insertion slot.
2589         (pointer_set_insert): Adjust.
2590         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
2591         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
2592         pointer_map_traverse): New.
2593         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
2594         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
2595         pointer_map_contains, pointer_map_traverse): Declare.
2596
2597 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
2598
2599         PR middle-end/30473
2600         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
2601         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
2602
2603 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2604
2605         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
2606
2607         (struct _dep): New type.
2608         (dep_t): New typedef.
2609         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
2610         (DEP_STATUS): New access macro.  The macro with the same name was
2611         renamed to DEP_LINK_STATUS.
2612         (dep_init): Declare function
2613
2614         (struct _dep_link): New type.
2615         (dep_link_t): New typedef.
2616         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
2617         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
2618         (DEP_LINK_STATUS): New macro.
2619         (debug_dep_links): New debug function.
2620
2621         (struct _deps_list): New type.
2622         (deps_list_t): New typedef.
2623         (DEPS_LIST_FIRST): New access macro.
2624         (FOR_EACH_DEP_LINK): New cycle macro.
2625         (create_deps_list, free_deps_list, delete_deps_list): Declare
2626         functions.
2627         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
2628         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
2629         (copy_deps_list_change_con): Ditto.
2630
2631         (move_dep_link): Declare function.
2632
2633         (struct _dep_node): New type.
2634         (dep_node_t): New typedef.
2635         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
2636
2637         (struct haifa_insn_data.back_deps): New field to hold backward
2638         dependencies of the insn.
2639         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
2640         to deps_list_t.
2641         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
2642         Change its type to deps_list_t.
2643         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
2644         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
2645         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
2646
2647         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
2648
2649         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
2650
2651         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
2652         all callers.
2653         (dep_cost): Declare.
2654
2655         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
2656         (ds_to_dk, dk_to_ds): New functions.
2657
2658         (init_dep_1): New static function.
2659         (init_dep): New function.
2660         (copy_dep): New static function.
2661
2662         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
2663         functions.
2664         (detach_dep_link): New static function.
2665         (move_dep_link): New function.
2666
2667         (dep_links_consistent_p, dump_dep_links): New static functions.
2668         (debug_dep_links): New debugging function.
2669
2670         (deps_obstack, dl_obstack, dn_obstack): New static variables.
2671
2672         (alloc_deps_list, init_deps_list): New static functions.
2673         (create_deps_list): New function.
2674         (clear_deps_list): New static function.
2675         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
2676         (deps_list_consistent_p, dump_deps_list): New static functions.
2677         (debug_deps_list): New function.
2678         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
2679         functions.
2680         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
2681
2682         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
2683         use new scheduler dependencies lists.
2684         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
2685         (sched_analyze): Ditto.  Initialize dependencies lists.
2686         (add_forw_dep, compute_forward_dependences): Update to use new
2687         scheduler dependencies lists.
2688
2689         (init_dependency_caches): Init deps_obstack.
2690         (free_dependency_caches): Free deps_obstack.
2691
2692         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
2693         new scheduler dependencies lists.
2694         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
2695         (add_back_forw_dep, delete_back_forw_dep): Ditto.
2696
2697         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
2698         Update to use new scheduler dependencies lists.
2699         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
2700         (debug_dependencies): Ditto.
2701         (schedule_region): Update comments.
2702
2703         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
2704         scheduler dependencies lists.
2705         (schedule_ebb): Update comments.
2706
2707         * rtl.def (DEPS_LIST): Remove.
2708
2709         * lists.c (unused_deps_list): Remove.
2710         (free_list): Update assertions.
2711
2712         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
2713         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2714
2715         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
2716         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2717
2718         * haifa-sched.c (comments): Update.
2719         (insn_cost1): Remove.  Inline the code into insn_cost ().
2720         (insn_cost): Update to use new scheduler dependencies lists.  Move
2721         processing of the dependency cost to dep_cost ().
2722         (dep_cost): New function.  Use it instead of insn_cost () when
2723         evaluating cost of the dependency.  Use compatible interface to
2724         interact with the target.
2725         (priority): Update to use new scheduler dependencies lists.
2726         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
2727         with greater number of insns that depend on the insn.
2728         (schedule_insn): Update to use new scheduler dependencies lists.  Add
2729         code to free backward dependencies lists.  Inline and optimize code
2730         from resolve_dep () - see PR28071.
2731         (ok_for_early_queue_removal): Update to use new scheduler dependencies
2732         lists.  Update call to targetm.sched.is_costly_dependence hook.
2733
2734         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
2735         scheduler dependencies lists.
2736
2737         (resolve_dep): Remove.  Move the logic to schedule_insn ().
2738         (init_h_i_d): Initialize dependencies lists.
2739
2740         (process_insn_depend_be_in_spec): Rename to
2741         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
2742         dependencies lists.
2743         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
2744         Update to use new scheduler dependencies lists.
2745         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
2746
2747         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
2748         new scheduler dependencies lists.
2749         (build_intra_loop_deps): Ditto.
2750
2751         * target.h (struct _dep): Declare to use in
2752         gcc_target.sched.is_costly_dependence.
2753         (struct gcc_target.sched.adjust_cost): Fix typo.
2754         (struct gcc_target.sched.is_costly_dependence): Change signature to use
2755         single dep_t parameter instead of an equivalent triad.
2756         (struct gcc_target.sched.adjust_cost_2): Remove.
2757
2758         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
2759
2760         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
2761
2762         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
2763         documentation.
2764         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
2765
2766         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
2767         (REG_DEP_TRUE): Document.
2768
2769         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
2770         Change signature to correspond to the targetm.sched.adjust_cost hook.
2771         Update use in TARGET_SCHED_ADJUST_COST_2.
2772         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
2773         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
2774         new scheduler dependencies lists.
2775         (ia64_gen_check): Ditto.
2776
2777         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
2778         dependencies lists.
2779
2780         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
2781         signature to correspond to the targetm.sched.is_costly_dependence hook.
2782         (is_costly_group): Update to use new scheduler dependencies lists.
2783
2784         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
2785         instead of INSN_COST () macro.
2786
2787 2007-02-01  Ian Lance Taylor  <iant@google.com>
2788
2789         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
2790
2791 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
2792
2793         * pa.md (tp_load): Correct mfctl instruction syntax.
2794
2795 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
2796
2797         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
2798         altivec_padding_size calculation on AIX.  Improve comment, add
2799         assert to verify that it's right.
2800
2801         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
2802         64-bit.
2803
2804 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
2805
2806         PR inline-asm/28686
2807         * global.c (global_alloc): Add mising initialization of
2808         ELIMINABLE_REGSET.
2809
2810 2007-02-01  Roger Sayle  <roger@eyesopen.com>
2811
2812         * alias.c (init_alias_analysis): Correct whitespace.
2813         * bb-reorder.c (fix_edges_for_rarely_executed_code,
2814         partition_hot_cold_basic_blocks): Likewise.
2815         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2816         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
2817         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2818         fold_builtin_snprintf_chk, fold_builtin_printf,
2819         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
2820         do_mpfr_arg3, do_mpfr_sincos): Likewise.
2821         * cfgcleanup.c (cleanup_cfg): Likewise.
2822         * cfgexpand.c (tree_expand_cfg): Likewise.
2823         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
2824         * function.c (get_next_funcdef_no): Likewise.
2825         * gengtype.c (main): Likewise.
2826         * genmodes.c (main): Likewise.
2827         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
2828         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
2829         * ifcvt.c (noce_emit_move_insn): Likewise.
2830         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
2831         Likewise.
2832         * stor-layout.c (get_best_mode): Likewise.
2833         * tree-ssa-loop-niter.c (get_val_for): Likewise.
2834         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
2835         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
2836         perform_var_substitution, solve_graph): Likewise.
2837         * tree-vrp.c (vrp_finalize): Likewise.
2838
2839 2007-02-01  Ian Lance Taylor  <iant@google.com>
2840
2841         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
2842         high part of a paradoxical subreg, return a constant zero.
2843
2844 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
2845
2846         * toplev.c (lang_dependent_init): Call init_set_costs.
2847         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
2848
2849 2007-02-01  Richard Guenther  <rguenther@suse.de>
2850
2851         PR middle-end/30656
2852         * fold-const.c (fold_negate_expr): Allow negating a
2853         constant if overflow does not change.
2854
2855 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2856
2857         * doc/c-tree.texi (Expression trees): Improve markup.
2858         * doc/tm.texi (Register Classes, Addressing Modes)
2859         (Floating Point): Fix spacing after abbreviations.  Fix some
2860         typos.
2861
2862 2007-02-01  Ben Elliston  <bje@au.ibm.com>
2863
2864         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
2865         * doc/contrib.texi: Likewise.
2866         * doc/install.texi: Likewise.
2867
2868 2007-01-31  Richard Henderson  <rth@redhat.com>
2869             Ian Lance Taylor  <iant@google.com>
2870
2871         * lower-subreg.c: New file.
2872         * rtl.def (CONCATN): Define.
2873         * passes.c (init_optimization_passes): Add pass_lower_subreg and
2874         pass_lower_subreg2.
2875         * emit-rtl.c (update_reg_offset): New static function, broken out
2876         of gen_rtx_REG_offset.
2877         (gen_rtx_REG_offset): Call update_reg_offset.
2878         (gen_reg_rtx_offset): New function.
2879         * regclass.c: Revert patch of 2006-03-05, restoring
2880         reg_scan_update.
2881         (clear_reg_info_regno): New function.
2882         * dwarf2out.c (concatn_loc_descriptor): New static function.
2883         (loc_descriptor): Handle CONCATN.
2884         * common.opt (fsplit_wide_types): New option.
2885         * opts.c (decode_options): Set flag_split_wide_types when
2886         optimizing.
2887         * timevar.def (TV_LOWER_SUBREG): Define.
2888         * rtl.h (gen_reg_rtx_offset): Declare.
2889         (reg_scan_update): Declare.
2890         * regs.h (clear_reg_info_regno): Declare.
2891         * tree-pass.h (pass_lower_subreg): Declare.
2892         (pass_lower_subreg2): Declare.
2893         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
2894         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
2895         -fsplit-wide-types.
2896         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
2897         * Makefile.in (OBJS-common): Add lower-subreg.o.
2898         (lower-subreg.o): New target.
2899
2900 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
2901
2902         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
2903
2904 2007-01-31  Anatoly Sokolov <aesok@post.ru>
2905
2906         PR target/19087
2907         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
2908
2909 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2910
2911         PR middle-end/29335
2912         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
2913
2914 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
2915
2916         * cfgloop.h: Include vec-prim.h.
2917         (enum li_flags): Remove LI_ONLY_OLD.
2918         (loop_iterator): Changed.
2919         (fel_next, fel_init): Iterate over loop tree.
2920         (FOR_EACH_LOOP_BREAK): New macro.
2921         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
2922         FOR_EACH_LOOP.
2923         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
2924         * modulo-sched.c (sms_schedule): Ditto.
2925         * tree-vectorizer.c (vectorize_loops): Ditto.
2926         * doc/loop.texi: Update information on loop numbering and behavior of
2927         FOR_EACH_LOOP wrto new loops.
2928         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2929         add_to_evolution_1): Test nestedness of loops instead of comparing
2930         their numbers.
2931         * tree-chrec.c (chrec_fold_plus_poly_poly,
2932         chrec_fold_multiply_poly_poly, chrec_evaluate,
2933         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
2934         reset_evolution_in_loop): Ditto.
2935         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
2936
2937 2007-01-31  Dirk Mueller  <dmueller@suse.de>
2938
2939         * c-common.c (warn_about_parentheses): Separate warning about
2940         un-parenthized sequence of comparison operators from the one
2941         which is supposed to warn about x <= y <= z.
2942
2943 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
2944
2945         * optabs.h (enum optab_index): Add new OTI_isinf.
2946         (isinf_optab): Define corresponding macro.
2947         * optabs.c (init_optabs): Initialize isinf_optab.
2948         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
2949         patterns.
2950         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
2951         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
2952         using isinf_optab.
2953         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
2954         expand_builtin_interclass_mathfn.
2955         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
2956         * config/i386/i386.md (UNSPEC_FXAM): New constant.
2957         (fxam<mode>2_i387): New insn pattern.
2958         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
2959         built-in functions as x87 inline asm.
2960
2961 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
2962
2963         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
2964
2965 2007-01-30  Eric Christopher  <echristo@apple.com>
2966
2967         * config.gcc: Add geode.
2968
2969 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
2970
2971         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
2972         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
2973         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
2974         value-prof.c: Fix comment typos.
2975
2976 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2977
2978         PR c++/24745
2979         * doc/invoke.texi (Wpointer-arith): Document warning.
2980
2981 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
2982
2983         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
2984         the list of discrepancies from the draft TR.
2985
2986 2007-01-30  Dirk Mueller  <dmueller@suse.de>
2987
2988         PR c++/30601
2989         * doc/invoke.texi (-Wreturn-type): Update description to
2990         match new behavior.
2991
2992 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
2993
2994         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
2995
2996 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
2997
2998         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
2999         to handle optabs that operate on floating point input argument and
3000         output to integer output.
3001         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3002         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3003         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3004         expand_builtin_interclass_mathfn ().
3005         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3006         (ilogbsi2): Remove.
3007         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3008         ilogbl built-in functions as x87 intrinsics.
3009
3010 2007-01-30  Richard Guenther  <rguenther@suse.de>
3011
3012         PR middle-end/27657
3013         * dwarf2out.c (reference_to_unused): Query varpool if the
3014         variable was output.
3015
3016 2007-01-30  Richard Guenther  <rguenther@suse.de>
3017
3018         PR middle-end/30313
3019         * passes.c (execute_one_pass): Reset in_gimple_form to not
3020         confuse non-unit-at-a-time mode.
3021
3022 2007-01-29  Roger Sayle  <roger@eyesopen.com>
3023             Richard Guenther  <rguenther@suse.de>
3024
3025         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3026         avoid undefined behaviour on overflow.  Use force_fit_type_double
3027         to construct the constant with the specified TREE_OVERFLOW.
3028
3029 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3030
3031         * config/dfp-bit.c: Add parameterized support for fp exceptions.
3032         * config/dfp-bit.h: Ditto.
3033
3034 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3035
3036         * c-decl.c (pop_scope): Replace warnings with call to
3037         warn_for_unused_label.
3038         * c-common.h (warn_for_unused_label): Declare.
3039         * c-common.c (warn_for_unused_label): Define.
3040
3041 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3042
3043         * tree-optimize.c (update_inlined_to_pointers): Delete unused
3044         function.
3045
3046 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3047
3048         * Makefile.in (USER_H): Remove decfloat.h.
3049         * ginclude/decfloat.h: Delete, moving contents to ...
3050         * ginclude/float.h: Add support for decimal floating point,
3051         guarded by __STDC_WANT_DEC_FP__.
3052
3053 2007-01-29  Mike Stump  <mrs@apple.com>
3054
3055         * doc/gccint.texi (Top): Rename Loop Representation to Loop
3056         Analysis and Representation to resolve case insensitive conflict.
3057         * doc/loop.texi (Loop Analysis and Representation): Likewise.
3058
3059 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
3060
3061         * tree.h (struct tree_memory_tag): Add aliases member.
3062         (MTAG_ALIASES): New macro.
3063         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3064         (add_may_alias): Remove pointer-set. Update for may_aliases being
3065         a bitmap.
3066         (mark_aliases_call_clobbered): Update for may_aliases being a
3067         bitmap.
3068         (compute_tag_properties): Ditto.
3069         (create_partition_for): Ditto.
3070         (compute_memory_partitions): Ditto.
3071         (dump_may_aliases_for): Ditto.
3072         (is_aliased_with): Ditto.
3073         (add_may_alias_for_new_tag): Ditto.
3074         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3075         (compute_is_aliased): New function.
3076         (compute_may_aliases): Call compute_is_aliased).
3077         (init_alias_info): Initialize alias_bitmap_obstack.
3078         (union_alias_set_into): New function.
3079         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3080         (have_common_aliases_p): Rewrite to take two bitmaps and use
3081         intersection.
3082         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3083         Update for bitmaps.
3084         (finalize_ref_all_pointers): Update for add_may_alias changes.
3085         (new_type_alias): Ditto.
3086         * tree-flow-inline.h (may_aliases): Return a bitmap.
3087         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3088         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3089         may_aliases being a bitmap.
3090         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3091         may_aliases now returns a bitmap.
3092         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3093         being a bitmap.
3094         * tree-ssa-operands.c (add_virtual_operand): Update for
3095         may_aliases being a bitmap.
3096
3097 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3098
3099         PR tree-optimization/30630
3100         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3101         variable as changed.
3102
3103 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3104
3105         PR c++/28266
3106         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3107         expanded only once even if an error occurs.
3108
3109 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3110
3111         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3112         (__gcov_average_profiler): Likewise.
3113         (__gcov_ior_profiler): Likewise.
3114         (__gcov_merge_ior): Likewise.
3115
3116 2007-01-28  Jan Hubicka  <jh@suse.cz>
3117
3118         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3119         * value-prof.c (stringop_block_profile): Likewise.
3120
3121 2007-01-28  Jan Hubicka  <jh@suse.cz>
3122
3123         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3124         variant handling histograms; add wrapper.
3125         (clear_storage_via_libcall): Export.
3126         (emit_block_move_hints): Break out from ...; add histograms.
3127         (emit_block_move): ... this one.
3128         (clear_storage_hints): Break out from ...; add histograms.
3129         (clear_storage): ... this one.
3130         (set_storage_via_memset): Handle histogram.
3131         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3132         (clear_storage_hints, clear_storage_via_libcall): Declare.
3133         (set_storage_via_setmem): Update prototype.
3134         * doc/md.texi (movmem, setmem): Document new arguments.
3135
3136         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3137         new histograms.
3138         (stringop_block_profile): New global function.
3139         (tree_stringops_values_to_profile): Profile block size and alignment.
3140         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3141         HIST_TYPE_IOR.
3142         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3143         (stringop_block_profile): Declare.
3144         * builtins.c: Include value-prof.h.
3145         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3146         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3147         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3148         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3149         * profile.c (instrument_values): Add new counters.
3150         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3151         calls.
3152         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3153         (tree_init_edge_profiler): Build new profilers.
3154         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3155         (pass_tree_profile): Add dump.
3156         (tree_profile_hooks): Update.
3157         * Makefile.in (LIBGCOV): Add new constants.
3158         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3159         __gcov_ior_profiler): New.
3160         * i386.md (movmem/setmem expanders): Add new optional arguments.
3161
3162 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3163
3164         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3165
3166 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3167
3168         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3169         (tree_unswitch_single_loop): Pass eni_size_weights to
3170         tree_num_loop_insns.
3171         * tree-ssa-loop-manip.c: Include tree-inline.h.
3172         (can_unroll_loop_p): Pass eni_size_weights to
3173         tree_num_loop_insns.
3174         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3175         Pass eni_size_weights to estimate_num_insns.
3176         * tree.h (init_inline_once): Export.
3177         * toplev.c (backend_init): Call init_inline_once.
3178         * cgraphunit.c (cgraph_process_new_functions,
3179         cgraph_analyze_function): Pass eni_inlining_weights to
3180         estimate_num_insns.
3181         * ipa-inline.c (compute_inline_parameters): Ditto.
3182         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3183         to estimate_num_insns.
3184         (try_unroll_loop_completely): Pass eni_size_weights to
3185         tree_num_loop_insns.
3186         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3187         ot estimate_num_insns.
3188         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3189         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3190         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3191         eni_time_weights): New variables.
3192         (init_inline_once): Initialize them.
3193         (struct eni_data): Mew.
3194         (estimate_num_insns_1, estimate_num_insns): Use weights.
3195         * tree-inline.h (struct eni_weights_d): New.
3196         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3197         (estimate_num_insns): Declaration changed.
3198         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3199         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3200         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3201
3202 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3203
3204         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3205         relations in the conflict function is valid.
3206
3207 2007-01-27  Ian Lance Taylor  <iant@google.com>
3208
3209         * common.opt: Add fstrict-overflow.
3210         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3211         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3212         (TYPE_OVERFLOW_UNDEFINED): Define.
3213         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3214         Replace all uses.
3215         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3216         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3217         (fold_negate_expr): Likewise.
3218         (make_range): Likewise.
3219         (extract_muldiv_1): Likewise.
3220         (maybe_canonicalize_comparison): Likewise.
3221         (fold_comparison): Likewise.
3222         (fold_binary): Likewise.
3223         (tree_expr_nonnegative_p): Likewise.
3224         (tree_expr_nonzero_p): Likewise.
3225         * tree-vrp.c (compare_values): Likewise.
3226         (extract_range_from_binary_expr): Likewise.
3227         (extract_range_from_unary_expr): Likewise.
3228         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3229         Likewise.
3230         (nowrap_type_p): Likewise.
3231         * tree-scalar-evolution.c (simple_iv): Likewise.
3232         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3233         (build_range_check): Likewise.
3234         (extract_muldiv_1): Likewise.
3235         (fold_comparison): Likewise.
3236         * tree-vrp.c (vrp_int_const_binop): Likewise.
3237         (extract_range_from_unary_expr): Likewise.
3238         * convert.c (convert_to_integer): Likewise.
3239         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3240         (fold_comparison): Likewise.
3241         (fold_binary): Likewise.
3242         * optabs.c (optab_for_tree_code): Likewise.
3243         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3244         * simplify-rtx.c (simplify_const_relational_operation): Check
3245         flag_strict_overflow and flag_trapv.
3246         (simplify_const_relational_operation): Likewise.
3247         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3248         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
3249         -fstrict-overflow.
3250
3251 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3252
3253         * tree.c (tree_fold_gcd): Delete.
3254         * tree.h (tree_fold_gcd): Remove prototype.
3255         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3256         test whether one constant integer is a multiple of another.  Instead
3257         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3258         * fold-const.c (multiple_of_p):  We've determined both TOP and
3259         BOTTOM are integer constants so we can call int_const_binop directly
3260         instead of the more generic const_binop.
3261
3262 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3263
3264         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3265         1*X check that the constant hasn't overflowed, to preserve the
3266         TREE_OVERFLOW bit.
3267         (round_up): Provide an efficient implementation when rouding-up an
3268         INTEGER_CST to a power-of-two.
3269
3270 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3271
3272         * doc/sourcebuild.texi: Add comma for clarity.
3273         * doc/extend.texi: Fix some typos.
3274         * doc/passes.texi: Likewise.
3275         * doc/cppinternals.texi: Likewise.
3276         * doc/c-tree.texi: Likewise.
3277         * doc/tree-ssa.texi: Likewise.
3278         * doc/install.texi: Likewise.
3279
3280 2007-01-27  Jan Hubicka  <jh@suse.cz>
3281
3282         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3283         (pass_sra): Do not require alias information.
3284         * passes.c (init_optimization_passes): Add SRA
3285
3286 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3287
3288         * tracer.c (rest_of_handle_tracer): We already cleaned
3289         up the CFG in tracer() so don't do it here again.
3290         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3291         cleanup_cfg here, either.  And don't call renumber_insns.
3292
3293         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3294         and BB_HEAD are in the insn stream here.  Instead make sure
3295         that BB_INSN is valid on all insns.  Also, do check here that
3296         there are no pending branch predictions...
3297         (rtl_verify_flow_info): ...instead of doing it here.  Checks
3298         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3299         here.
3300
3301 2007-01-26  Roger Sayle  <roger@eyesopen.com>
3302
3303         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3304         function to simplify/factorize operand order canonicalization.
3305         (ix86_fixup_binary_operands): Reorganize using the above function.
3306         (ix86_binary_operator_ok): Likewise.
3307
3308 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3309
3310         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3311         file scope from optimize_attrs.
3312         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3313         up search.
3314         (optimize_attrs): Clear insn_code_values after freeing it.
3315
3316 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3317
3318         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3319         a parts.base assignment.
3320
3321 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3322
3323         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3324         (compute_subscript_distance, initialize_data_dependence_relation,
3325         finalize_ddr_dependent, analyze_ziv_subscript,
3326         analyze_siv_subscript_cst_affine,
3327         compute_overlap_steps_for_affine_univar,
3328         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3329         analyze_siv_subscript, analyze_miv_subscript,
3330         analyze_overlapping_iterations, subscript_dependence_tester_1,
3331         compute_self_dependence, free_dependence_relation): Work
3332         with affine_fn instead of chrecs.
3333         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3334         common_affine_function, affine_function_base,
3335         affine_function_constant_p, affine_fn_op, affine_fn_plus,
3336         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3337         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3338         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3339         (all_chrecs_equal_p): Removed.
3340         * tree-data-ref.h (affine_fn, conflict_function): New types.
3341         (struct subscript): Change type of conflicting_iterations_in_a
3342         and conflicting_iterations_in_b.
3343
3344 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
3345
3346         PR other/30182
3347         * config/pa/pa.h (TARGET_HPUX_11): New.
3348         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3349         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3350
3351 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
3352         Richard Guenther  <rguenther@suse.de>
3353
3354         * tree-ssa-structalias.c (solve_graph): Handle case
3355         we merged the variable to another.
3356
3357 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3358
3359         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3360         functions.
3361
3362         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3363         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3364
3365 2007-01-25  DJ Delorie  <dj@redhat.com>
3366
3367         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3368         allow changes to modes which don't fit in those registers.
3369
3370         * reload1.c (choose_reload_regs): Check for invalid subregs before
3371         computing their locations, not after.
3372
3373 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
3374
3375         PR 25127
3376         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3377         save Altivec registers in an eh_return function.
3378         (compute_vrsave_mask): Likewise.
3379         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3380         for saving Altivec registers.
3381         (rs6000_emit_prologue): Don't allocate stack twice in
3382         eh_return function.  Correct expected value of altivec_save_offset
3383         when using save_world.  Describe save of R0 to stack when using
3384         save_world.  Describe stack pointer adjustment when using
3385         save_world.  Remove duplicated eh_return parameter register saving.
3386         Update sp_offset variable after save_world.
3387         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3388         darwin-world.asm.
3389         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3390         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3391         implies Altivec.
3392
3393 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3394
3395         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3396
3397 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3398
3399         PR other/30182
3400         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3401         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
3402
3403 2007-01-25  Richard Guenther  <rguenther@suse.de>
3404
3405         * doc/invoke.texi (-Wcoverage-mismatch): Document.
3406         * common.opt (-Wcoverage-mismatch): New warning option.
3407         * coverage.c (get_coverage_counts): Ignore coverage mismatch
3408         if -Wcoverage-mismatch is given.
3409
3410 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
3411
3412         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3413         (ipcp_driver): Change to static definition.
3414         Add dumping of the ifunctions.
3415         (constant_val_insert): Remove unused parameter. Support for SSA.
3416         (ipcp_propagate_const): Support for SSA.
3417         (ipcp_profile_bb_print): Print only analyzed nodes.
3418         (ipcp_replace_map_create): Remove support for Fortran constant
3419         for now.
3420         * ipa-prop.c (ipa_method_modify_stmt,
3421         ipa_callsite_compute_param): Support for SSA.
3422         * ipa-prop.h (ipcp_driver): Remove declaration.
3423         (IS_VALID_TREE_MAP_INDEX): Add define.
3424
3425 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
3426
3427         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3428
3429 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3430
3431         PR middle-end/30447
3432         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3433         constant argument to cabs and do it without checking for
3434         -funsafe-math-optimizations.
3435
3436 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
3437
3438         * c-common.h (RID_FIRST_CXX0X): New.
3439         (RID_LAST_CXX0X): New.
3440         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3441         by -Wall.
3442         * c.opt (Wc++0x-compat): New.
3443         * doc/invoke.texi (-Wc++0x-compat): Document.
3444
3445 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3446
3447         * builtins.c (fold_builtin_carg): New.
3448         (fold_builtin_1): Use it.
3449
3450 2007-01-24  Jan Hubicka  <jh@suse.cz>
3451
3452         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3453
3454         * ipa-inline.c (initial_insns, max_insns): Delete.
3455         (compute_max_insns): New function.
3456         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3457         of insns as base for code growth.
3458         (cgraph_decide_inlining): Make initial_insns local; do not compute
3459         max_insns.
3460         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3461         * doc/invoke.texi (inline-unit-growth): Update docs.
3462
3463 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
3464
3465         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3466         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3467         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3468         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
3469         for CPUs that have PTA_CX16 set.
3470
3471         PR middle-end/27416
3472         * gimplify.c (omp_check_private): New function.
3473         (gimplify_scan_omp_clauses): Use it for
3474         firstprivate/lastprivate/reduction.
3475
3476         PR middle-end/30494
3477         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3478         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3479
3480         PR middle-end/30421
3481         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3482         If lower_lastprivate_clauses emits some statements, append them
3483         to dlist rather than body_p and to body_p append an initializer.
3484         (lower_omp_for): Adjust caller.
3485
3486 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
3487
3488         * target.h (globalize_decl_name): New.
3489         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3490         * output.h (default_globalize_decl_name): New.
3491         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
3492         globalize_label.
3493         (globalize_decl): Ditto.
3494         (default_globalize_decl_name): New.
3495         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
3496         (ia64_handle_version_id_attribute): New.
3497         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3498         (ia64_asm_output_external): Use globalize_decl_name instead
3499         of globalize_label.
3500         * doc/extend.texi (version_id): New pragma.
3501         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
3502
3503 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3504
3505         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
3506         _uleb128_t and _Unwind_SWord with _sleb128_t.
3507         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
3508         uw_frame_state_for, uw_update_context_1): Likewise.
3509         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
3510         * unwind-pe.h (read_uleb128, read_sleb128,
3511         read_encoded_value_with_base): Likewise.
3512         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
3513
3514 2007-01-24  Richard Guenther  <rguenther@suse.de>
3515
3516         * builtins.c (expand_builtin_cexpi): Get the fndecl
3517         for cexp in the correct way.
3518
3519 2007-01-24  Jan Hubicka  <jh@suse.cz>
3520
3521         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
3522
3523 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3524
3525         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
3526         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
3527         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
3528         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
3529         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
3530         __SIZEOF_PTRDIFF_T__.
3531         * doc/cpp.texi: Documentation for the new builtin macros added.
3532
3533 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
3534
3535         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
3536         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
3537         instead of operands[2] to avoid access past the end of array.
3538
3539 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
3540
3541         * reload1.c (emit_reload_insns): Pass the reload register
3542         for a non-spill output reload through forget_old_reloads_1.
3543
3544 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
3545
3546         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3547         _SOFT_DOUBLE if doubles use software floating-point.
3548         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
3549         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3550         * config/rs6000/darwin-ldouble.c: Also compile functions for
3551         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
3552         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3553         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
3554         commented-out long double override.
3555         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
3556         * config/rs6000/eabispe.h: Likewise.
3557         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
3558         long double for non-SPE.
3559         (rs6000_handle_option): Likewise.
3560         (invalid_e500_subreg): Disallow more subregs involding DImode,
3561         DFmode, TImode or TFmode.
3562         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
3563         E500 double.
3564         (legitimate_lo_sum_address_p): Also check for TFmode for E500
3565         double.
3566         (rs6000_legitimize_address): Also handle TFmode for E500 double.
3567         (rs6000_legitimize_reload_address): Also handle TFmode for E500
3568         double.
3569         (rs6000_legitimate_address): Also check for TFmode for E500
3570         double.
3571         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
3572         (spe_build_register_parallel): Handle TFmode and TCmode.
3573         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
3574         double.
3575         (function_arg): Handle TFmode and TCmode for E500 double.
3576         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
3577         in general.
3578         (print_operand): Handle TFmode and TImode for %y.
3579         (rs6000_generate_compare): Handle TFmode comparisons for E500
3580         double.
3581         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
3582         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
3583         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
3584         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
3585         TFmode for E500 double.
3586         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
3587         (floatsidf2): Enable for E500 double.
3588         (movtf_softfloat): Use rs6000_nonimmediate_operand.
3589         (extenddftf2): Change to extenddftf2_fprs.
3590         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
3591         depending on TARGET_E500_DOUBLE.
3592         (extendsftf2): Enable for E500 double.
3593         (trunctfdf2): Enable for E500 double.
3594         (trunctfsf2): Change to trunctfsf2_fprs.
3595         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
3596         depending on TARGET_E500_DOUBLE.
3597         (floatsitf2): Enable for E500 double.
3598         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
3599         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
3600         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
3601         (negtf2): Change to negtf2_internal.
3602         (negtf2): New expander.
3603         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
3604         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
3605         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
3606         (movdi_internal32): Use rs6000_nonimmediate_operand.
3607         (unnamed splitter): Likewise.
3608         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
3609         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
3610         (SPE64TF, DITI): New mode macros.
3611         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
3612         modes.
3613         (frob_tf_ti): New.
3614         (frob_<mode>_di_2): New.
3615         (frob_tf_di_8_2): New.
3616         (frob_di_df): Change to frob_di_<mode>; allow more modes.
3617         (frob_ti_tf): New.
3618         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
3619         more modes.
3620         (frob_ti_<mode>_8_2): New.
3621         (frob_ti_tf_2): New.
3622         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
3623         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
3624         TFmode.
3625         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
3626         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
3627         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
3628         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
3629         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
3630         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
3631         tsttflt_gp): New.
3632
3633 2007-01-23  Ian Lance Taylor  <iant@google.com>
3634
3635         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
3636         insn-*.o first.
3637         (OBJS-archive): Reformat, alphabetize.
3638         (OBJS): Change out_object_file to OBJS-md.
3639
3640 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
3641
3642         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
3643         JUMP_P and CALL_P predicates where applicable.
3644         * config/i386/i386.c: Ditto.
3645         * config/i386/i386.md: Ditto.
3646         * config/i386/mmx.md: Ditto.
3647         * config/i386/predicates.md: Ditto.
3648
3649 2007-01-22  Andreas Schwab  <schwab@suse.de>
3650
3651         * config/m68k/m68k.h: Fix comment.
3652
3653 2007-01-22  Jan Hubicka  <jh@suse.cz>
3654
3655         * passes.c (init_optimization_passes): Do not rerun
3656         pass_early_warn_uninitialized.
3657
3658 2007-01-22  Richard Guenther  <rguenther@suse.de>
3659
3660         PR tree-optimization/30038
3661         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
3662         function.
3663         (execute_cse_sincos_1): Likewise.
3664         (execute_cse_sincos): Likewise.
3665         (gate_cse_sincos): Likewise.
3666         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
3667         the cexpi() canonicalization of sincos().
3668         * tree-pass.h (pass_cse_sincos): Declare.
3669         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
3670
3671 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3672
3673         PR rtl-optimization/29329
3674         * combine.c (replaced_rhs_insn): Rename to i2mod.
3675         (replaced_rhs_value): Rename to i2mod_new_rhs.
3676         (i2mod_old_rhs): New global variable.
3677         (combine_instructions): Adjust for above change.  Save a copy of
3678         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
3679         note are substituted in the second instruction.
3680         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
3681         ditch the note if it pertains to the second eliminated register
3682         and this register is mentioned in i2mod_old_rhs.
3683
3684         Revert:
3685         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
3686
3687         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3688         the insn to which the note was originally attached.
3689
3690 2007-01-21  Jan Hubicka  <jh@suse.cz>
3691
3692         * ipa-inline.c (inlining_mode): Comment, move up.
3693         (cgraph_decide_inlining_incrementally): Do not perform inlining
3694         itself; fix handling of flattening of self recursive functions.
3695         (cgraph_find_cycles): Remove.
3696         (cgraph_flatten_node): Remove.
3697         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
3698         (try_inline): New function.
3699         (cgraph_early_inlining): Update call of
3700         cgraph_decide_inlining_incrementally.  Apply inlining here.
3701         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
3702
3703 2007-01-21  Dirk Mueller  <dmueller@suse.de>
3704
3705         PR bootstrap/30511
3706         * tree-vrp.c (check_array_bounds): do not warn
3707         about ADDR_EXPR's of ARRAY_REF's which are immediately
3708         used in binary expressions.
3709
3710 2007-01-21  Ira Rosen  <irar@il.ibm.com>
3711
3712         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
3713         read_write_dep and macros for its access.
3714         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
3715         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
3716         argument, call vect_check_interleaving for every independent pair of
3717         data-refs. Mark loads that access the same memory location as a store
3718         in the loop.
3719         (vect_check_dependences): Remove.
3720         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
3721         call, fix the call to vect_analyze_data_ref_dependence.
3722         (vect_analyze_data_ref_access): For statements that access the same
3723         data-ref, check that they are not stores; for loads, check that there
3724         is no store that access the same location.
3725
3726 2007-01-20  Roger Sayle  <roger@eyesopen.com>
3727             Joseph Myers  <joseph@codesourcery.com>
3728
3729         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
3730         (-fdump-rtl-stack): Likewise.
3731         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
3732         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
3733         (-mpt-fixed): Use @minus{} for minus sign.
3734         (Using Precompiled Headers): Fix under/overfull hbox.
3735
3736 2007-01-20  Jan Hubicka  <jh@suse.cz>
3737
3738         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
3739         place within annotation.
3740
3741 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3742
3743         * pa.c (output_move_double): Change array size of xoperands to 4.
3744
3745 2007-01-20  Jan Hubicka  <jh@suse.cz>
3746
3747         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
3748         as temporary.
3749
3750 2007-01-19  Ian Lance Taylor  <iant@google.com>
3751
3752         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
3753         constant to unsigned HOST_WIDE_INT before negating.
3754
3755 2007-01-19  Ian Lance Taylor  <iant@google.com>
3756
3757         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
3758         to unsigned.
3759         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
3760         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3761         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
3762         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
3763         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3764         (realloc_vdef, realloc_vuse): Change second parameter to
3765         unsigned.
3766         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
3767         fields to unsigned.
3768         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
3769         unsigned. Change x and lim locals to unsigned.
3770         (realloc_vdef, realloc_vuse): Change num_elem parameter to
3771         unsigned.
3772         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
3773         (copy_virtual_operands): Change i and n locals to unsigned.
3774
3775 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3776
3777         PR middle-end/29335
3778         * builtins.c (fold_builtin_1): Handle builtin fdim.
3779
3780 2007-01-20  Jan Hubicka  <jh@suse.cz>
3781
3782         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
3783         * tree-ssa-structalias.c (compute_points_to_sets): Do call
3784         init_alias_heapvars.
3785         (init_alias_heapvars): Initialize only when not already initialized.
3786         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
3787
3788 2007-01-19  Roger Sayle  <roger@eyesopen.com>
3789
3790         * common.opt (fsigned-zeros): New command line option.
3791         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
3792         of flag_unsafe_math_optimizations.
3793         * opts.c (set_fast_math_flags): The -ffast-math command line option
3794         implies -fno-signed-zeros.
3795         (fast_math_flags_set_p): Likewise.
3796
3797         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
3798         the documentation of -ffast-math appropriately.  Wrap long lines.
3799
3800 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
3801
3802         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
3803         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
3804
3805 2007-01-19  Tomas Bily  <tbily@suse.cz>
3806
3807         * cgraphunit.c (cgraph_finalize_function): Updating of pid
3808         * tree-profile.c:
3809         (tree_init_ic_make_global_vars): New function
3810         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
3811         (tree_gen_ic_profiler): New function
3812         (tree_gen_ic_func_profiler): New function
3813         (tree_profiling): Added calling of tree_gen_ic_func_profiler
3814         (tree_profile_hooks): Added hook for indirec/virtual calls
3815         * value-prof.c (tree_find_values_to_profile): New case for
3816         indirect calls
3817         (tree_values_to_profile): Call for determining indirect/virtual
3818         counters
3819         (tree_indirect_call_to_profile): New function
3820         (tree_ic_transform): New function
3821         (tree_ic): New function
3822         (find_func_by_pid): New function
3823         (init_pid_map): New function
3824         (tree_value_profile_transformations): Added check for
3825         indirect/virtual call transformation
3826         * value-prof.h (enum hist_type): New counter type for
3827         indirect/virtual calls
3828         (profile_hooks): Added new hook for profiling indirect/virtual
3829         calls
3830         * profile.c (instrument_values): New case for indirect/virtual
3831         call added
3832         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
3833         (GCOV_COUNTER_V_INDIR): New counter type
3834         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
3835         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
3836         call added
3837         * cgraph.c: Definition of cgraph_max_pid
3838         (cgraph_create_node): Default init of pid attribute
3839         * cgraph.h: Declaration of cgraph_max_pid
3840         (struct cgraph_node): Added pid attribute
3841         * libgcov.c (__gcov_indirect_call_profiler): New function
3842         (__gcov_one_value_profiler_body): New function
3843         (__gcov_one_value_profiler): Body was moved to
3844         __gcov_one_value_profiler_body and calls it
3845
3846 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
3847
3848         * doc/gty.texi (Options): Document the mark_hook option to GTY.
3849         * gengtype.c (write_types_data, write_func_for_structure,
3850         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
3851         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
3852         (walk_type, write_func_for_structure): Generate the mark_hook if
3853         needed.
3854
3855 2007-01-19  Jan Hubicka  <jh@suse.cz>
3856
3857         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
3858         'early' argument take inlining mode argument specifying whether to
3859         inline for size/speeed or all functions; add support for flattening;
3860         improve dumpting.
3861         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
3862
3863 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3864
3865         PR c++/17947
3866         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
3867         the name of the declared identifier.
3868
3869 2007-01-19  Dirk Mueller  <dmueller@suse.de>
3870
3871         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
3872         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
3873         duplicate evaluation.
3874
3875 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
3876
3877         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
3878         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
3879         to XFMode, use acosxf2 and truncate result to requested mode.
3880         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
3881         (asin<mode>2): Similarly, with asin expanders.
3882         (*fscalexf4_i387): Rename from *fscalexf4.
3883         (expNcorexf3): New expander.
3884         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
3885         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
3886         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
3887         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
3888         patterns for SSE math.
3889         (exp10<mode>2): Similarly, with exp10 expanders.
3890         (exp2<mode>2): Similarly, with exp2 expanders.
3891         (expm1<mode>2): Similarly, with expm1 expanders.
3892         (ldexp<mode>3): Similarly, with ldexp expanders.
3893         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
3894         Use gen_truncxf<mode>2_i387_noop to truncate result.
3895
3896 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3897
3898         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
3899         for ColdFire targets.
3900
3901 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
3902             Richard Sandiford  <richard@codesourcery.com>
3903
3904         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
3905         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
3906         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
3907         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
3908         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
3909         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
3910
3911 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3912
3913         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
3914         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
3915         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
3916         (*adddi_dilshr32_cf): New pattern.
3917         (adddi3, subdi3): Remove first alternatives.
3918
3919 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3920
3921         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
3922         implemented using move.l, do not use its cc result for floating-point
3923         comparisons.
3924
3925 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3926
3927         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
3928         from accepting 's' constraints if flag_pic.
3929
3930 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3931
3932         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
3933         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
3934         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
3935         condition from TARGET_68881 to TARGET_HARD_FLOAT.
3936
3937 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
3938
3939         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
3940         ColdFire alternatives.
3941         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
3942         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
3943         architectures that support ff1 instruction.
3944
3945 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3946             Julian Brown  <julian@codesourcery.com>
3947
3948         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
3949         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
3950         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
3951         Add commentary.
3952
3953 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3954
3955         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
3956         and return a bool.
3957         (output_move_const_into_data_reg, output_move_simode_const): Delete.
3958         * config/m68k/m68k.c (const_method, const_int_cost): Take a
3959         HOST_WIDE_INT instead of an rtx.
3960         (m68k_rtx_costs): Update call accordingly.
3961         (output_move_const_into_data_reg): Likewise.  Fix formatting.
3962         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
3963         Return a bool.
3964         (output_move_simode_const): Update calls after above changes.
3965         Rework to use automatic variables and predicates like MEM_P.
3966         * config/m68k/m68k.md (pushexthisi_const): Update call to
3967         valid_mov3q_const.
3968
3969 2007-01-19  Dirk Mueller  <dmueller@suse.de>
3970
3971         * tree-ssa-alias.c (perform_var_substitution): Fix typo
3972         in dump_flags test.
3973
3974 2007-01-19  Richard Guenther  <rguenther@suse.de>
3975
3976         * builtins.c (expand_builtin_cexpi): Fall back to expanding
3977         via cexp in case sincos is not available.
3978
3979 2007-01-19  Richard Guenther  <rguenther@suse.de>
3980
3981         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
3982         * defaults.h (TARGET_HAS_SINCOS): Default to off.
3983         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
3984         * config/alpha/linux.h (TARGET_HAS_