PR debug/29558
[official-gcc.git] / gcc / ChangeLog
blob6bf895433e767a35aa79ba4e665ab03730dc41dc
1 2007-02-19  Richard Henderson  <rth@redhat.com>
3         PR debug/29558
4         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
5         in memory.
7 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
9         * config/s390/s390.c (s390_call_saved_register_used,
10         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
11         accessed to the new scheme.
13 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
15         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
16         (cris_print_index, cris_print_operand, cris_print_operand_address)
17         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
18         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
19         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
20         GET_CODE () == xxx.
21         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
22         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
23         GO_IF_LEGITIMATE_ADDRESS): Ditto.
24         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
25         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
26         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
27         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
28         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
29         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
30         (uminsi3, call, call_value): Ditto.
31         (define_split: indir_to_reg_split, unnamed): Ditto.
33 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
35         PR tree-optimization/30975
36         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
37         wrong assert.
39 2007-02-18  Eric Christopher  <echristo@gmail.com>
41         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
42         Remove use of arglist.
43         (mips_expand_builtin): Remove use of arglist, pass in expr.
44         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
45         (mips_expand_builtin_movtf): Ditto.
46         (mips_expand_builtin_compare): Ditto.
48 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
50         * tree-sra.c (sra_build_assignment): Replace assertion
51         checking with a comment explaining why it can't be done.
53 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
55         PR middle-end/30833
56         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
57         during CALL_EXPR representation conversion.
58         * tree-ssa-propagate.c (set_rhs): Likewise.
60 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
62         * tree-sra.c (sra_build_assignment): Disable assertion checking
63         for now.
65 2007-02-18  Roger Sayle  <roger@eyesopen.com>
67         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
68         instead of calling build2 with a GIMPLE_MODIFY_STMT.
69         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
70         Likewise.
71         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
72         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
73         gimplify_init_ctor_eval_range, gimple_push_cleanup,
74         gimplify_omp_for, gimplify_omp_atomic_pipeline,
75         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
76         force_gimple_operand): Likewise.
77         * ipa-cp.c (constant_val_insert): Likewise.
78         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
79         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
80         perfect_nestify): Likewise.
81         * langhooks.c (lhd_omp_assignment): Likewise.
82         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
83         lower_copyprivate_clauses, lower_send_clauses,
84         lower_send_shared_vars, expand_parallel_call,
85         expand_omp_for_generic, expand_omp_for_static_nochunk,
86         expand_omp_for_static_chunk, expand_omp_sections,
87         lower_omp_single_copy, lower_omp_for_lastprivate,
88         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
89         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
90         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
91         Likewise.
93 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
95         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
96         config/sh/sh.md: Follow spelling conventions.
98         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
99         config/frv/predicates.md: Follow spelling conventions.
101         * config/m68k/linux-unwind.h: Fix a comment typo.
102         * target.h: Follow spelling conventions.
104 2007-02-18  Roger Sayle  <roger@eyesopen.com>
106         PR rtl-optimization/28173
107         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
108         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
109         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
110         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
111         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
113 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
115         * builtins.c (fold_builtin_load_exponent): New.
116         (fold_builtin_2): Use it.
118 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
120         PR rtl-optimization/30773
121         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
122         if we fail to attach a REG_EQUIV note.
124 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
125             Roger Sayle  <roger@eyesopen.com>
127         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
129 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
131         * calls.c (initialize_argument_information): Pass original EXP
132         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
133         code to split complex arguments here, as part of initializing the
134         ARGS array.
135         (expand_call): Remove code that builds a list of arguments and
136         inserts implicit arguments into it.  Instead, just count how many
137         implicit arguments there will be so we can determine the size of
138         the ARGS array, and let initialize_argument_information do the work.
139         (split_complex_values): Delete unused function.
141 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
143         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
145 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
147         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
148         for arg pointer based indexed addressing.
150 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
152         * config/ia64/ia64.h, config/ia64/ia64.md,
153         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
154         spelling conventions.
156 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
158         * config/m68k/m68k.c (split_di): New.
159         * config/m68k/m68k-protos.h: Declare split_di.
160         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
161           Improve predicate handling and split constant shifts.
163 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
165         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
166         parameter for register bitfield operations, general predicates
167         cleanup
169 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
171         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
172         * config/m68k/linux-unwind.h: New file.
174 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
176         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
177         config/i386/athlon.md, config/ia64/ia64.md,
178         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
179         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
180         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
181         tree-ssa-loop-niter.c, tree-vect-analyze.c,
182         tree-vect-transform.c: Fix comment typos.
184 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
186         * sched-deps.c (find_insn_list): Remove.
187         * sched-int.h: Remove the prototype for find_insn_list.
189 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
191         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
192         to linker.
193         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
194         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
195         darwin_rs6000_override_options.
196         (C_COMMON_OVERRIDE_OPTIONS): Expect
197         darwin_macosx_version_min to be non-NULL always.
198         (TARGET_C99_FUNCTIONS): Likewise.
199         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
200         (DARWIN_MINVERSION_SPEC): New.
201         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
202         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
203         to cc1*.
204         (DARWIN_MINVERSION_SPEC): New.
205         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
206         value.
207         * config/darwin-c.c (darwin_cpp_builtins): Expect
208         darwin_macosx_version_min to be non-NULL always.
210         * config/rs6000/rs6000.c: Clean up trailing whitespace.
212 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
214         * config/i386/i386.h (x86_use_xchgb): New.
215         (TARGET_USE_XCHGB): New macro.
216         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
217         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
218         Split after reload into bswaphi for shifts of 8.
219         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
220         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
221         or when optimizing for size.
223 2007-02-16  Richard Guenther  <rguenther@suse.de>
224             Christian Bruel  <christian.bruel@st.com>
226         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
227         DECLs but prefer SSA_NAMEs over DECLs.
229 2007-02-16  Richard Guenther  <rguenther@suse.de>
231         * tree-flow-inline.h (single_imm_use_p): Remove.
232         (zero_imm_uses_p): Likewise.
233         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
234         instead of single_imm_use_p.
235         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
236         zero_imm_uses_p.
238 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
240         PR other/27843
241         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
242         nested double- and backquotes.
244 2007-02-15  Roger Sayle  <roger@eyesopen.com>
246         PR middle-end/30391
247         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
248         should be unreachable.
249         (build2_stat): Allow construction of MODIFY_EXPR at any time.
250         For the time being redirect GIMPLE_MODIFY_STMT to the new
251         (renamed) build_gimple_modify_stmt_stat.
252         (build2_gimple_stat): Rename to...
253         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
254         Always build a GIMPLE_MODIFY_STMT node.
255         * tree.h (build2_gimple, build2_gimple_stat): Delete.
256         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
257         declarations.
259         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
260         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
261         * tree-complex.c (set_component_ssa_name, expand_complex_move,
262         expand_complex_div_wide): Likewise.
263         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
264         * tree-ssa-loop-im.c (schedule_sm): Likewise.
265         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
266         * tree-ssa-loop-manip.c (create_iv): Likewise.
267         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
268         abs_replacement): Likewise.
269         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
270         realify_fake_stores): Likewise.
272         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
273         node rather than a GIMPLE_MODIFY_STMT node.
274         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
275         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
276         Likewise.
277         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
278         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
279         GIMPLE_MODIFY_STMT.
281 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
283         PR middle-end/30433
284         * fold-const.c (fold_comparison): Add back the
285         folding of constant complex comparisions.
287 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
289         PR middle-end/30729
290         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
291         effects unknown to this function, return early.
293 2007-02-15  Ian Lance Taylor  <iant@google.com>
295         * lower-subreg.c (move_eh_region_note): New static function.
296         (resolve_simple_move): Call it.
297         (decompose_multiword_subregs): Track blocks for which we resolve a
298         simple move which is also a control flow insn.  Pass them to
299         find_many_sub_basic_blocks.
300         (pass_lower_subreg): Add TODO_verify_flow.
301         (pass_lower_subreg2): Likewise.
303 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
304             Brooks Moses  <brooks.moses@codesourcery.com>
305             Lee Millward  <lee.millward@codesourcery.com>
307         * tree.h (enum tree_code_class): Add tcc_vl_exp.
308         (VL_EXP_CLASS_P): New.
309         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
310         TREE_CODE_LENGTH.
311         (TREE_OPERAND_CHECK_CODE): Likewise.
312         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
313         (TREE_RTL_OPERAND_CHECK): Likewise.
314         (tree_operand_check_failed): Make second parameter the whole tree
315         instead of its code.  Fixed callers.
316         (VL_EXP_CHECK): New.
317         (TREE_OPERAND_LENGTH): New.
318         (VL_EXP_OPERAND_LENGTH): New.
319         (CALL_EXPR_FN): New.
320         (CALL_EXPR_STATIC_CHAIN): New.
321         (CALL_EXPR_ARGS): New.
322         (CALL_EXPR_ARG): New.
323         (call_expr_nargs): New.
324         (CALL_EXPR_ARGP): New.
325         (build_nt_call_list): Declare.
326         (build_vl_exp_stat): Declare.
327         (build_vl_exp): New.
328         (build_call_list): Declare.
329         (build_call_nary): Declare.
330         (build_call_valist): Declare.
331         (build_call_array): Declare.
332         (call_expr_arg): Declare.
333         (call_expr_argp): Declare.
334         (call_expr_arglist): Declare.
335         (fold_build_call_list): Declare.
336         (fold_build_call_list_initializer): Declare.
337         (fold_call_expr): Declare to replace fold_builtin.
338         (fold_builtin_fputs): Update to agree with modified definition.
339         (fold_builtin_strcpy): Likewise.
340         (fold_builtin_strncpy): Likewise.
341         (fold_builtin_memory_chk): Likewise.
342         (fold_builtin_stxcpy_chk): Likewise.
343         (fold_builtin_strncpy_chk): Likewise.
344         (fold_builtin_next_arg): Likewise.
345         (fold_build_call_expr): Declare.
346         (fold_builtin_call_list): Declare.
347         (fold_builtin_call_valist): Declare.
348         (build_call_expr): Declare.
349         (validate_arglist): Update to agree with modified definition.
350         (tree_operand_length): New.
351         (call_expr_arg_iterator): New.
352         (init_call_expr_arg_iterator): New.
353         (next_call_expr_arg): New.
354         (first_call_expr_arg): New.
355         (more_call_expr_args_p): New.
356         (FOR_EACH_CALL_EXPR_ARG): New.
358         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
359         and tcc_gimple_stmt.
360         (tree_code_size): Update documentation.  Use sizeof (tree) rather
361         than sizeof (char *).
362         (tree_size): Likewise.  Add case for tcc_vl_exp.
363         (tree_node_structure): Add case for tcc_vl_exp.
364         (contains_placeholder_p): Likewise.
365         (substitute_in_expr): Likewise.
366         (substitute_placeholder_in_expr): Likewise.
367         (stabilize_reference_1): Likewise.
368         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
369         to diagnose breakage of this interface for constructing CALL_EXPRs.
370         (build_nt): Add similar assertion here.
371         (build_nt_call_list): New.
372         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
373         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
374         TREE_CODE_LENGTH.
375         (get_callee_fndecl): Use new CALL_EXPR accessors.
376         (tree_operand_check_failed): Change parameters to pass entire node
377         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
378         (process_call_operands): New.
379         (build_vl_exp_stat): New.
380         (build_call_list): New.
381         (build_call_nary): New.
382         (build_call_valist): New.
383         (build_call_array): New.
384         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
385         (call_expr_arglist): New.
387         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
388         tcc_vl_exp instead of a fixed-size tcc_expression.
390         * doc/c-tree.texi (CALL_EXPR): Document new representation and
391         accessors for CALL_EXPRs.
392         (AGGR_INIT_EXPR): Likewise.
394 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
395             Brooks Moses  <brooks.moses@codesourcery.com>
396             Lee Millward  <lee.millward@codesourcery.com>
398         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
399         (expand_builtin_nonlocal_goto): Change parameter to be entire
400         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
401         (expand_builtin_prefetch): Likewise.
402         (expand_builtin_classify_type): Likewise.
403         (mathfn_built_in): Return NULL_TREE instead of 0.
404         (expand_errno_check): Use new CALL_EXPR accessors.
405         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
406         Return NULL_RTX instead of 0.
407         (expand_builtin_mathfn_2): Likewise.
408         (expand_builtin_mathfn_3): Likewise.
409         (expand_builtin_interclass_mathfn): Likewise.
410         (expand_builtin_sincos): Likewise.
411         (expand_builtin_cexpi): Likewise.
412         (expand_builtin_int_roundingfn): Likewise.
413         (expand_builtin_int_roundingfn_2): Likewise.
414         (expand_builtin_pow): Likewise.
415         (expand_builtin_powi): Likewise.
416         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
417         of arglist, fixing callers appropriately.  Use new CALL_EXPR
418         accessors and constructors.  Return NULL_RTX instead of 0.
419         (expand_builtin_strstr): Likewise.
420         (expand_builtin_strchr): Likewise.
421         (expand_builtin_strrchr): Likewise.
422         (expand_builtin_strpbrk): Likewise.
423         (expand_builtin_memcpy): Likewise.
424         (expand_builtin_mempcpy): Likewise.
425         (expand_builtin_mempcpy_args): New.
426         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
427         (expand_builtin_memmove_args): New.
428         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
429         (expand_movstr): Likewise.
430         (expand_builtin_strcpy): Likewise.
431         (expand_builtin_strcpy_args): New.
432         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
433         (expand_builtin_strncpy): Likewise.
434         (expand_builtin_memset): Likewise.
435         (expand_builtin_memset_args): New.
436         (expand_builtin_bzero): Similarly to expand_builtin_memset.
437         (expand_builtin_memcmp): Likewise.
438         (expand_builtin_strcmp): Likewise.
439         (expand_builtin_strncmp): Likewise.
440         (expand_builtin_strcat): Likewise.
441         (expand_builtin_strncat): Likewise.
442         (expand_builtin_strspn): Likewise.
443         (expand_builtin_strcspn): Likewise.
444         (expand_builtin_args_info): Likewise.
445         (expand_builtin_va_start): Likewise.
446         (gimplify_va_arg_expr): Likewise.
447         (expand_builtin_va_end): Likewise.
448         (expand_builtin_va_copy): Likewise.
449         (expand_builtin_frame_address): Likewise.
450         (expand_builtin_alloca): Likewise.
451         (expand_builtin_bswap): Likewise.
452         (expand_builtin_unop): Likewise.
453         (expand_builtin_fputs): Likewise.
454         (expand_builtin_expect): Likewise.
455         (expand_builtin_fabs): Likewise.
456         (expand_builtin_copysign): Likewise.
457         (expand_builtin_printf): Likewise.
458         (expand_builtin_fprintf): Likewise.
459         (expand_builtin_sprintf): Likewise.
460         (expand_builtin_init_trampoline): Likewise.
461         (expand_builtin_signbit): Likewise.
462         (expand_builtin_fork_or_exec): Likewise.
463         (expand_builtin_sync_operation): Likewise.
464         (expand_builtin_compare_and_swap): Likewise.
465         (expand_builtin_lock_test_and_set): Likewise.
466         (expand_builtin_lock_release): Likewise.
467         (expand_builtin): Likewise.
468         (builtin_mathfn_code): Likewise.
470         (fold_builtin_constant_p): Pass call arguments individually instead
471         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
472         accessors and constructors.  Return NULL_TREE instead of 0.
473         (fold_builtin_expect): Likewise.
474         (fold_builtin_classify_type): Likewise.
475         (fold_builtin_strlen): Likewise.
476         (fold_builtin_nan): Likewise.
477         (integer_valued_real_p): Likewise.
478         (fold_trunc_transparent_mathfn): Likewise.
479         (fold_fixed_mathfn): Likewise.
480         (fold_builtin_cabs): Likewise.
481         (fold_builtin_sqrt): Likewise.
482         (fold_builtin_cbrt): Likewise.
483         (fold_builtin_cos): Likewise.
484         (fold_builtin_cosh): Likewise.
485         (fold_builtin_tan): Likewise.
486         (fold_builtin_sincos): Likewise.
487         (fold_builtin_cexp): Likewise.
488         (fold_builtin_trunc): Likewise.
489         (fold_builtin_floor): Likewise.
490         (fold_builtin_ceil): Likewise.
491         (fold_builtin_round): Likewise.
492         (fold_builtin_int_roundingfn): Likewise.
493         (fold_builtin_bitop): Likewise.
494         (fold_builtin_bswap): Likewise.
495         (fold_builtin_logarithm): Likewise.
496         (fold_builtin_hypot): Likewise.
497         (fold_builtin_pow): Likewise.
498         (fold_builtin_powi): Likewise.
499         (fold_builtin_exponent): Likewise.
500         (fold_builtin_memset): Likewise.
501         (fold_builtin_bzero): Likewise.
502         (fold_builtin_memory_op): Likewise.
503         (fold_builtin_bcopy): Deleted; call site changed to invoke
504         fold_builtin_memory_op directly.
505         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
506         (fold_builtin_strncpy): Likewise.
507         (fold_builtin_memcmp): Likewise.
508         (fold_builtin_strcmp): Likewise.
509         (fold_builtin_strncmp): Likewise.
510         (fold_builtin_signbit): Likewise.
511         (fold_builtin_copysign): Likewise.
512         (fold_builtin_isascii): Likewise.
513         (fold_builtin_toascii): Likewise.
514         (fold_builtin_isdigit): Likewise.
515         (fold_builtin_fabs): Likewise.
516         (fold_builtin_abs): Likewise.
517         (fold_builtin_fmin_fmax): Likewise.
518         (fold_builtin_carg): Likewise.
519         (fold_builtin_classify): Likewise.
520         (fold_builtin_unordered_cmp): Likewise.
522         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
523         New functions split out from fold_builtin_1.
524         (fold_builtin_n): New.
525         (fold_builtin_varargs): New.
526         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
527         instead.
528         (fold_call_expr): New.
529         (build_function_call_expr): Rewrite to use new helper function.
530         (fold_builtin_call_list): New.
531         (build_call_expr): New.
532         (fold_builtin_call_valist): New.
533         (rewrite_call_expr): New.
534         (validate_arg): New.
535         (validate_arglist): Change parameter to be entire CALL_EXPR instead
536         of an arglist.  Change return type to bool.  Use new CALL_EXPR
537         accessors.
539         (fold_builtin_strstr):  Pass call arguments individually instead
540         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
541         accessors and constructors.  Return NULL_TREE instead of 0.
542         (fold_builtin_strchr): Likewise.
543         (fold_builtin_strrchr): Likewise.
544         (fold_builtin_strpbrk): Likewise.
545         (fold_builtin_strcat): Likewise.
546         (fold_builtin_strncat): Likewise.
547         (fold_builtin_strspn): Likewise.
548         (fold_builtin_strcspn): Likewise.
549         (fold_builtin_fputs): Likewise.
550         (fold_builtin_next_arg): Likewise.
551         (fold_builtin_sprintf): Likewise.
553         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
554         NULL_RTX instead of 0.
555         (expand_builtin_memory_chk): Likewise.
556         (maybe_emit_chk_warning): Likewise.
557         (maybe_emit_sprintf_chk_warning): Likewise.
559         (fold_builtin_object_size): Pass call arguments individually instead
560         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
561         accessors and constructors.  Return NULL_TREE instead of 0.
562         (fold_builtin_memory_chk): Likewise.
563         (fold_builtin_stxcpy_chk): Likewise.
564         (fold_builtin_strncpy_chk): Likewise.
565         (fold_builtin_strcat_chk): Likewise.
566         (fold_builtin_strcat_chk): Likewise.
567         (fold_builtin_strncat_chk): Likewise.
568         (fold_builtin_sprintf_chk): Likewise.
569         (fold_builtin_snprintf_chk): Likewise.
570         (fold_builtin_printf): Likewise.
571         (fold_builtin_vprintf): Likewise.
573         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
574         constructors.
575         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
576         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
577         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
578         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
579         (fold_unary): Likewise.
580         (fold_binary): Likewise.
581         (fold_ternary): Remove CALL_EXPR case, since they are no longer
582         ternary expressions.
583         (fold): Add logic for tcc_vl_exp.
584         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
585         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
586         (fold_build3_stat): Add assertion to flag broken interface for
587         constructing CALL_EXPRs.
588         (fold_build_call_list): New.
589         (fold_build_call_list_initializer): New.
590         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
591         constructors.
592         (fold_strip_sign_ops): Likewise.
594 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
595             Brooks Moses  <brooks.moses@codesourcery.com>
596             Lee Millward  <lee.millward@codesourcery.com>
598         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
599         accessors and dump arguments explicitly.
601         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
602         TREE_CODE_LENGTH.
603         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
604         explicitly.
605         (print_call_name): Use new CALL_EXPR accessors.
607         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
608         CALL_EXPR arguments explicitly instead of as a list.  Use
609         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
611         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
612         (vrp_visit_stmt): Likewise.
614         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
615         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
616         TREE_CODE_LENGTH.
617         (force_move_till_expr): Likewise.
619         * targhooks.c (default_external_stack_protect_fail): Use
620         build_call_expr instead of build_function_call_expr.
621         (default_hidden_stack_protect_fail): Likewise.
623         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
624         build the call.
626         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
627         and walk arguments explicitly.
629         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
630         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
631         (expand_simple_operations): Likewise.
632         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
634         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
635         of TREE_CODE_LENGTH.
636         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
638         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
639         instead of TREE_CODE_LENGTH.
641         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
642         (tree_ic_transform): Likewise.
643         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
644         parameter instead of arglist.  Fix callers.
645         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
646         (tree_stringops_transform): Likewise.
647         (tree_indirect_call_to_profile): Likewise.
648         (tree_stringops_values_to_profile): Likewise.
650         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
651         (eliminate_tail_call): Likewise.
653         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
655         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
656         Use TREE_OPERAND_LENGTH and generalize to handle any number of
657         operands.
658         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
660         * omp-low.c (build_omp_barrier): Use build_call_expr.
661         (lower_rec_input_clauses): Likewise.
662         (lower_reduction_clauses): Likewise.
663         (expand_parallel_call): Likewise.
664         (maybe_catch_exception): Likewise.
665         (expand_omp_for_generic): Likewise.
666         (expand_omp_for_static_nochunk): Likewise.
667         (expand_omp_sections): Likewise.
668         (lower_omp_single_simple): Likewise.
669         (lower_omp_single_copy): Likewise.
670         (lower_omp_master): Likewise.
671         (lower_omp_ordered): Likewise.
672         (lower_omp_critical): Likewise.
674         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
675         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
677         * tree-gimple.c (is_gimple_call_addr): Fix doc.
678         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
679         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
681         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
682         and generalize to handle any number of operands.
683         (chrec_contains_undetermined): Likewise.
684         (tree_contains_chrecs): Likewise.
685         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
687         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
689         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
690         fold_call_expr instead of fold_builtin.
691         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
692         match declarations there.
693         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
694         updates.
696         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
697         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
699         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
700         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
702         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
703         accessors.
705         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
706         (execute_cse_sincos): Use new CALL_EXPR accessors.
708         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
710         * gimple-low.c (lower_function_body): Use build_call_expr.
711         (lower_builtin_setjmp): Likewise.
713         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
714         (set_storage_via_libcall): Likewise.
715         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
716         instead of TREE_CODE_LENGTH.
717         (expand_expr_real_1): Use new CALL_EXPR accessors.
719         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
720         generalize to handle any number of operands.
721         (TB_parent_eq): Likewise.
723         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
724         (strip_builtin_expect): Likewise.
726         * function.c (gimplify_parameters): Use build_call_expr.
728         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
729         instead of TREE_CODE_LENGTH.
731         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
732         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
734         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
735         iterators.
737         * gimplify.c (build_stack_save_restore): Use build_call_expr.
738         (gimplify_decl_expr): Likewise.
739         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
740         Use new CALL_EXPR iterators.
741         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
742         (gimplify_modify_expr_to_memset): Likewise.
743         (gimplify_variable_sized_compare): Likewise.
744         (gimplify_omp_atomic_fetch_op): Likewise.
745         (gimplify_omp_atomic_pipeline): Likewise.
746         (gimplify_omp_atomic_mutex): Likewise.
747         (gimplify_function_tree): Likewise.
749         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
750         (call_expr_flags): Likewise.
751         (expand_call): Likewise.
753         * except.c (expand_builtin_eh_return_data_regno): Pass entire
754         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
755         accessors.
757         * coverage.c (create_coverage): Use build_call_expr.
759         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
760         (temp_call_expr_obstack): New.
761         (pool_copy_list): Delete.
762         (temp_copy_call_expr): New.
763         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
764         CALL_EXPR accessors.  Get rid of special goo for copying argument
765         lists and use temp_copy_call_expr instead.
766         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
767         CALL_EXPR accessors.
768         (create_expression_by_pieces): Likewise.  Use build_call_array
769         to construct the result instead of fold_build3.
770         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
771         dealing with argument lists.
772         (init_pre): Remove references to expression_node_pool and
773         list_node_pool.  Init temp_call_expr_obstack instead.
774         (fini_pre): Remove references to expression_node_pool and
775         list_node_pool.
777         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
778         and walk arguments explicitly instead of as a list.
780         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
781         (mx_register_decls): Likewise.
782         (mudflap_register_call): Likewise.
783         (mudflap_finish_file): Likewise.
785         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
786         (ipa_callsite_compute_param): Likewise.
788         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
789         accessors and constructor.
791         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
792         accessors and constructor.
793         (convert_tramp_reference): Likewise.
794         (convert_call_expr): Likewise.
795         (finalize_nesting_tree_1): Likewise.
797         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
798         accessors.
800         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
802         * tree-inline.c (initialize_inlined_parameters): Pass entire
803         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
804         accessors.
805         (estimate_num_insns_1): Use new CALL_EXPR accessors.
806         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
808         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
809         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
810         (vectorizable_reduction): Likewise.
811         (vectorizable_call): Use new CALL_EXPR iterators.
812         (vectorizable_conversion): Use build_call_expr.
813         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
814         (vect_gen_widened_results_half): Use build_call_expr.
815         (vect_setup_realignment): Likewise.
816         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
818         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
819         (pass_through_call): Likewise.
820         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
821         fold_builtin.
823         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
824         (tree_gen_pow2_profiler): Likewise.
825         (tree_gen_one_value_profiler): Likewise.
826         (tree_gen_ic_func_profiler): Likewise.
827         (tree_gen_average_profiler): Likewise.
828         (tree_gen_ior_profiler): Likewise.
830         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
831         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
832         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
834         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
835         of TREE_CODE_LENGTH.
837         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
838         of TREE_CODE_LENGTH.
840         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
841         constructor.
842         (convert_to_integer): Likewise.
844         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
845         accessors.
847 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
848             Brooks Moses  <brooks.moses@codesourcery.com>
849             Lee Millward  <lee.millward@codesourcery.com>
851         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
852         accessors.
853         * config/frv/frv.c (frv_expand_builtin): Likewise.
854         * config/s390/s390.c (s390_expand_builtin): Likewise.
856         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
857         (sparc_expand_builtin): Use new CALL_EXPR accessors.
859         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
860         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
861         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
862         (ix86_expand_store_builtin): Likewise.
863         (ix86_expand_unop_builtin): Likewise.
864         (ix86_expand_unop1_builtin): Likewise.
865         (ix86_expand_sse_compare): Likewise.
866         (ix86_expand_sse_comi): Likewise.
867         (ix86_expand_vec_init_builtin): Likewise.
868         (ix86_expand_vec_ext_builtin): Likewise.
869         (ix86_expand_vec_set_builtin): Likewise.
870         (ix86_expand_builtin): Use new CALL_EXPR accessors.
872         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
873         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
875         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
876         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
877         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
879         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
880         build_call_expr.
881         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
882         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
883         arglist.  Use new CALL_EXPR accessors.  Fix callers.
884         (altivec_expand_abs_builtin): Likewise.
885         (rs6000_expand_binop_builtin): Likewise.
886         (altivec_expand_predicate_builtin): Likewise.
887         (altivec_expand_lv_builtin): Likewise.
888         (spe_expand_stv_builtin): Likewise.
889         (altivec_expand_stv_builtin): Likewise.
890         (rs6000_expand_ternop_builtin): Likewise.
891         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
892         (altivec_expand_st_builtin): Likewise.
893         (altivec_expand_dst_builtin): Likewise.
894         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
895         arglist.  Use new CALL_EXPR accessors.  Fix callers.
896         (altivec_expand_vec_set_builtin): Likewise.
897         (altivec_expand_vec_ext_builtin): Likewise.
898         (altivec_expand_builtin): Use new CALL_EXPR accessors.
899         (spe_expand_builtin): Likewise.
900         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
901         arglist.  Use new CALL_EXPR accessors.  Fix callers.
902         (spe_expand_evsel_builtin): Likewise.
903         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
904         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
906         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
907         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
908         (arm_expand_unop_builtin): Likewise.
909         (arm_expand_builtin): Use new CALL_EXPR accessors.
911         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
912         accessors.
914         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
915         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
916         (bfin_expand_unop_builtin): Likewise.
917         (bfin_expand_builtin): Use new CALL_EXPR accessors.
919 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
920             Brooks Moses  <brooks.moses@codesourcery.com>
921             Lee Millward  <lee.millward@codesourcery.com>
923         * c-semantics.c (build_stmt): Add internal diagnostic check.
925         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
926         accessors.  Print arguments explicitly instead of as a list.
928         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
930         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
931         (c_finish_omp_flish): Likewise.
933         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
934         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
935         instead of TREE_CODE_LENGTH.
936         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
937         (c_warn_unused_result): Likewise.
939 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
941         PR c/26494
942         * doc/invoke.texi (Warning Options): Remove
943         -Werror-implicit-function-declaration.
944         (Wimplicit-function-declaration): Update description.
945         * opts.c (common_handle_option): Move handling of -Werror=* to...
946         (enable_warning_as_error): ...here.
947         * opts.h (enable_warning_as_error): Declare.
948         * c-decl.c (implicit_decl_warning): Unless
949         -Wno-implicit-function-declaration is given, emit a pedwarn if
950         -std=c99 or emit a warning if -Wimplicit-function-declaration.
951         * c.opt (Wimplicit-function-declaration): Replace
952         mesg_implicit_function_declaration with
953         warn_implicit_function_declaration.
954         * c-opts.c (c_common_handle_option):
955         -Werror-implicit-function-declaration is exactly equal as
956         -Werror=implicit-function-declaration.
957         (set_Wimplicit): Replace mesg_implicit_function_declaration with
958         warn_implicit_function_declaration.
959         (c_common_post_options): -Wimplict-function-declaration is enabled
960         by default by -std=c99, otherwise is disabled by default.
961         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
963 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
965         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
966         DECL on the rhs to a DECL on the lhs for debug info purposes if the
967         former is ignored but not the latter.
969 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
971         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
972         is made and the reference doesn't use the alias set of its type,
973         do not create the temporary using that type.
975 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
977         * jump.c: Remove prototypes for delete_computation and
978         delete_prior_computation.
980 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
982         * jump.c (get_label_after): Delete.
983         (get_label_before, delete_computation, delete_jump,
984         delete_prior_computation, follow_jumps): Move...
985         * reorg.c (delete_computation, delete_prior_computation): ... here...
986         (get_label_before, delete_jump): ... making these static ...
987         (follow_jumps): ... and simplifying this since it only runs after
988         reload.
989         * rtl.h (get_label_after, get_label_before, delete_jump,
990         follow_jumps): Delete prototypes.
992 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
994         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
996 2007-02-15  Nick Clifton  <nickc@redhat.com>
998         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
999         order to prevent it from being munged by the target.
1001 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1003         * config/i386/i386.md: Remove misleading comment.
1005 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1007         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1008         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1009         invalid patterns.
1011 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1013         * tree-sra.c (instantiate_missing_elements): Canonicalize
1014         bit-field types.
1015         (sra_build_assignment): New.
1016         (generate_copy_inout, generate_element_copy,
1017         generate_element_zero, generate_one_element_init): Use it.
1019 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1021         * tree-sra.c (instantiate_missing_elements): Canonicalize
1022         bit-field types.
1023         (sra_build_assignment): New.
1024         (generate_copy_inout, generate_element_copy,
1025         generate_element_zero, generate_one_element_init): Use it.
1027 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1029         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1030         limbo die nodes.
1032 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1034         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1035         types as aggregates not scalars.
1036         * function.c (assign_stack_temp_for_type): Likewise.
1038 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1039             Zdenek Dvorak  <dvorakz@suse.cz>
1041         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1042         name.
1044 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1046         * passes.c (next_pass_1): Clear the next field of the copied
1047         pass structure.
1049 2007-02-14  Richard Henderson  <rth@redhat.com>
1051         * tree-sra.c (early_sra): New.
1052         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1053         (tree_sra_early, pass_sra_early): New.
1054         * tree-pass.h (pass_sra_early): Declare.
1055         * passes.c (init_optimization_passes): Use it.
1057 2007-02-14  Richard Guenther  <rguenther@suse.de>
1059         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1061 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1063          PR tree-optimization/30771
1064         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1065         also phi nodes.
1066         (vect_analyze_operations): Induction phis can now be marked as
1067         used_in_loop.
1068         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1069         Update documentation accordingly.
1071 2007-02-14  Nick Clifton  <nickc@redhat.com>
1073         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1074         most 3 arguments are supported.
1075         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1077 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1079         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1080         Ensure dst->current is valid.
1082 2007-02-13  Paul Brook  <paul@codesourcery.com>
1084         * config.gcc: Add arm*-*-uclinux-*eabi.
1085         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1086         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1087         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1088         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1089         (LINK_SPEC): Define.
1090         (LIB_SPEC): Define.
1091         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1092         register.
1093         * config/arm/uclinux-eabi.h: New file.
1094         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1095         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1096         based targets.
1098 2007-02-13  Ian Lance Taylor  <iant@google.com>
1100         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1101         * flags.h (warn_strict_overflow): Declare.
1102         (enum warn_strict_overflow_code): Define.
1103         (issue_strict_overflow_warning): New static inline function.
1104         * opts.c (warn_strict_overflow): New variable.
1105         (common_handle_option): Handle OPT_Wstrict_overflow and
1106         OPT_Wstrict_overflow_.
1107         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1108         OPT_Wall.
1109         * fold-const.c: Include intl.h.
1110         (fold_deferring_overflow_warnings): New static variable.
1111         (fold_deferred_overflow_warning): New static variable.
1112         (fold_deferred_overflow_code): New static variable.
1113         (fold_defer_overflow_warnings): New function.
1114         (fold_undefer_overflow_warnings): New function.
1115         (fold_undefer_and_ignore_overflow_warnings): New function.
1116         (fold_deferring_overflow_warnings_p): New function.
1117         (fold_overflow_warning): New static function.
1118         (make_range): Add strict_overflow_p parameter.  Change all
1119         callers.
1120         (extract_muldiv, extract_muldiv_1): Likewise.
1121         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1122         tree_expr_nonnegative_p.
1123         (fold_negate_expr): Call fold_overflow_warning.
1124         (fold_range_test): Likewise.
1125         (fold_comparison): Likewise.
1126         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1127         instead of tree_expr_nonnegative_p.
1128         (tree_expr_nonnegative_warnv_p): Rename from
1129         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1130         (tree_expr_nonnegative_p): New function.
1131         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1132         strict_overflow_p parameter.
1133         (tree_expr_nonzero_p): New function.
1134         * passes.c (verify_interpass_invariants): New static function.
1135         (execute_one_pass): Call it.
1136         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1137         warnings.
1138         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1139         (estimate_numbers_of_iterations): Likewise.
1140         (scev_probably_wraps_p): Likewise.
1141         * tree-ssa-ccp.c: Include "toplev.h".
1142         (evaluate_stmt): Defer fold overflow warnings until we know we are
1143         going to optimize.
1144         (struct fold_stmt_r_data): Add stmt field.
1145         (fold_stmt_r): Defer fold overflow warnings until we know we
1146         optimized.
1147         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1148         (fold_stmt_inplace): Likewise.
1149         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1150         (cleanup_control_expr_graph): Defer fold overflow warnings until
1151         we know we are going to optimize.
1152         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1153         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1154         Likewise.
1155         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1156         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1157         * tree-ssa-loop-manip.c (create_iv): Likewise.
1158         * c-typeck.c (build_conditional_expr): Likewise.
1159         (build_binary_op): Likewise.
1160         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1161         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1162         (extract_range_from_unary_expr): Likewise.
1163         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1164         assuming that signed overflow does not occur.
1165         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1166         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1167         (fold_defer_overflow_warnings): Declare.
1168         (fold_undefer_overflow_warnings): Declare.
1169         (fold_undefer_and_ignore_overflow_warnings): Declare.
1170         (fold_deferring_overflow_warnings_p): Declare.
1171         (tree_expr_nonzero_warnv_p): Declare.
1172         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1173         of warning options.
1174         (Warning Options): Document -Wstrict-overflow.
1175         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1176         (tree-ssa-ccp.o): Likewise.
1177         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1178         (fold-const.o): Depend on intl.h.
1180 2007-02-13  Ian Lance Taylor  <iant@google.com>
1182         PR middle-end/30751
1183         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1184         addresses.
1186 2007-02-13  Stuart Hastings  <stuart@apple.com>
1188         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1190 2007-02-13  Richard Henderson  <rth@redhat.com>
1192         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1193         handled_component_p before looking for the indirect_ref.
1195 2007-02-13  Richard Henderson  <rth@redhat.com>
1197         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1198         remove flags clobber.
1199         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1200         (bswaphi_lowpart): New.
1201         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1202         remove TARGET_BSWAP test.  Delete expander of the same name.
1204         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1205         (expand_unop): Use them.
1207 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1209         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1210         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1211         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1212         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1213         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1214         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1215         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1216         assembler dialect choice from asm templates.
1218 2007-02-12  Richard Henderson  <rth@redhat.com>
1220         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1221         (fixuns_trunc<SSEMODEF>si2): Use it.
1222         * config/i386/sse.md (vec_setv4sf_0): Export.
1223         * config/i386/i386.c (ix86_build_const_vector): Export.
1224         (ix86_split_convert_uns_si_sse): Rename from
1225         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1226         * config/i386/i386-protos.h: Update.
1228 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1230         PR c/29521
1231         * c-typeck.c (c_finish_return): Improve warning message.
1233 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1235         * alias.c (find_symbolic_term): Delete unused function.
1237 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1239         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1240         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1241         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1243 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1245         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1246         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1247         the function, temporarily point the debug interface to the null one.
1249 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1251         * dwarf2out.c (round_up_to_align): New static function.
1252         (field_byte_offset): Use it to round the offset.
1254 2007-02-12  Richard Henderson  <rth@redhat.com>
1256         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1257         (inswl_const): Export.
1259 2007-02-12  Richard Henderson  <rth@redhat.com>
1261         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1262         result mode of the libcall, convert back to outmode.
1264 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1266         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1267         (bswapdi2): New define_expand to implement 32-bit implementation.
1269 2007-02-12  Nick Clifton  <nickc@redhat.com>
1271         * doc/invoke.texi (Overall Options): Document --help=.
1272         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1273         (cc1_options): Pass --help= on to cc1.
1274         (display_help): Add description of --help=.
1275         (process_command): Add code to handle --help=.  Allow translated
1276         --help and --target-help switches to be passed on to compiler
1277         sub-process.
1278         (main): Remove unused if statement.
1279         * opts.c (columns): Remove.
1280         (LEFT_COLUMN): Define.
1281         (wrap_help): Add columns argument.
1282         (print_filtered_help): Change parameters to be an include bitmask,
1283         an exclude bitmask, an any bitmask and the column width.  Move the
1284         code to display the params list here.  Add code to display the
1285         status of options rather than their descriptions if the quiet flag
1286         is not active.
1287         (print_specific_help): Change parameters to be an include bitmask,
1288         an exclude bitmask and an any bitmask.  Move code to look up the
1289         column width here.  Decide upon the title for an options listing.
1290         (common_handle_options): Add code to handle --help=.  Adapt code
1291         for --help and --target-help to use the revised form of the
1292         print_specific_help function.
1293         (print_help): Delete.
1294         (print_param_help): Delete.
1295         (print_switch): Delete.
1296         * opts.h (cl_lang_count): Add prototype.
1297         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1298         CL_MAX_OPTION_CLASS): New defines.
1299         * optc-gen.awk: Add construction of cl_lang_count.
1300         * c.opt: Add Warning attribute to warning options and Optimization
1301         attribute to optimization options.
1302         * common.opt: Likewise.
1303         Add --help=.
1304         Add -fhelp and -ftarget-help as aliases for the transformed --help
1305         and --target-help options.
1306         * opt-functions.awk: Add code to handle Warning and Optimization
1307         attributes.
1309 2007-02-12  Richard Henderson  <rth@redhat.com>
1311         * config/alpha/constraints.md: New file.
1312         * config/alpha/alpha.c: Include tm-constrs.h.
1313         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1314         alpha_extra_constraint): Remove.
1315         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1316         * config/alpha/alpha-protos.h: Update.
1317         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1318         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1319         (EXTRA_CONSTRAINT): Remove.
1320         * config/alpha/alpha.md: Include constraints.md.
1321         (adddi splitter): Use satisfies_constraint_*.
1322         * config/alpha/predicates.md (add_operand): Likewise.
1323         (sext_add_operand, addition_operation): Likewise.
1325 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1327         PR tree-optimization/29145
1328         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1329         in our handling of restrict qualified pointers.
1331 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1333         PR middle-end/7651
1334         * doc/invoke.texi (Wunused-value): Update description.
1335         (Wextra): Delete item.
1336         * opts.c (set_Wextra): Don't use the value of Wextra to set the
1337         value of Wunused-value.
1338         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1339         (c_finish_stmt_expr): Don't check extra_warnings.
1340         (emit_side_effect_warnings): The caller is responsible to check
1341         warn_unused_value.
1343 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1344             Matt Thomas  <matt@3am-software.com>
1346         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1348 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1350         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1351         comparisons of POPCOUNT against zero.
1352         (simplify_const_relational_operation): Likewise.
1354 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1356         * doc/invoke.texi (Wextra): Delete outdated paragraph.
1358 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1360         * dwarf2out.c (root_type): Delete unused function.
1362 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1364         * genattrtab.c (contained_in_p): Delete unused function.
1365         (write_expr_attr_cache): Likewise.
1367 2007-02-11  Jan Hubicka  <jh@suse.cz>
1369         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1370         previous patch.
1372 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
1374         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
1375         to add the REG_EQ* note.
1376         * see.c (see_merge_one_use_extension): Likewise.
1377         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
1378         turn REG_EQUAL notes into REG_EQUIV notes if the target
1379         register may have more than one set.
1380         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
1381         * gcse.c (try_replace_reg): Likewise.
1382         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
1383         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
1384         more than one REG_EQUIV note.
1385         * reload1.c (gen_reload): Use set_unique_reg_note.
1387 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
1389         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
1390         (ix86_builtin_conversion): New function.
1392 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
1394         PR target/29487
1395         * tree.h (DECL_REPLACEABLE_P): New macro.
1396         * except.c (set_nothrow_function_flags): Likewise.
1398 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
1399             Ira Rosen  <irar@il.ibm.com>
1400             Dorit Nuzman  <dorit@il.ibm.com>
1402         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
1403         * targhooks.c (default_builtin_vectorized_conversion): New.
1404         * targhooks.h (default_builtin_vectorized_function): New declaration.
1405         * target.h (struct vectorize): Add builtin_conversion field.
1406         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
1407         stmt_vec_info_type value.
1408         (vectorizable_conversion): New declaration.
1409         * tree-vect-analyze.c (vect_analyze_operations): Add
1410         vectorizable_conversion call.
1411         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
1412         * tree-vect-transform.c (vectorizable_conversion): New function.
1413         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
1414         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1415         mode.
1416         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
1417         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
1418         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
1419         or ALTIVEC_BUILTIN_VCFSX.
1421 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1423         PR target/30634
1424         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
1425         CONST_DOUBLE and operand 0 is a hard register.
1426         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
1427         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
1428         is a hard floating-point register.
1430 2007-02-10  Richard Henderson  <rth@redhat.com>
1431             Jakub Jelinek  <jakub@redhat.com>
1432             Alexandre Oliva  <aoliva@redhat.com>
1434         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
1435         * builtin-types.def (BT_WORD): Make unsigned.
1436         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1437         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1438         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1439         * c-decl.c (grokdeclarator): Don't error if !have_tls.
1440         * c-parser.c (c_parser_omp_threadprivate): Likewise.
1441         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1442         emulated tls.
1443         * expr.c (emutls_var_address): New.
1444         (expand_expr_real_1): Expand emulated tls.
1445         (expand_expr_addr_expr_1): Likewise.
1446         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1447         * output.h (emutls_finish): Declare.
1448         * toplev.c (compile_file): Call it.
1449         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1450         address before wrapping in CONST.
1451         * varasm.c (emutls_htab, emutls_object_type): New.
1452         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1453         (get_emutls_object_name, get_emutls_object_type): New.
1454         (get_emutls_init_templ_addr, emutls_decl): New.
1455         (emutls_common_1, emutls_finish): New.
1456         (assemble_variable): When emulating tls, swap decls; generate
1457         constructor for the emutls objects.
1458         (do_assemble_alias): When emulating tls, swap decl and target name.
1459         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1460         for emulated tls.
1461         * varpool.c (decide_is_variable_needed): Look at force_output.
1462         Recurse for emulated tls.
1463         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
1464         with decide_is_variable_needed.
1465         * emutls.c: New file.
1466         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1467         tls_object for real tls.
1469 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1471         PR rtl-optimization/29599
1472         * reload1.c (eliminate_regs_in_insn): Take the destination
1473         mode into account when computing the offset.
1475 2007-02-09  Stuart Hastings  <stuart@apple.com>
1476             Richard Henderson  <rth@redhat.com>
1478         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1479         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1480         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
1481         fixuns_truncdfhi2): New.
1482         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
1483         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
1484         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
1485         (floatunssidf2): Allow nonimmediate source.
1486         * gcc/config/i386/sse.md (movdi_to_sse): New.
1487         (vec_concatv2di): Drop '*'.
1488         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
1489         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1490         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
1491         New.
1492         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
1493         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1494         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
1495         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
1496         (ix86_build_signbit_mask): Fix decl of v, refactor to call
1497         ix86_build_const_vector.
1498         (x86_emit_floatuns): Rewrite.
1500 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1502         * genautomata.c (longest_path_length): Delete unused function.
1503         (struct state): Delete unused longest_path_length.
1504         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
1505         (get_free_state): Delete unused.
1507 2007-02-09  Jan Hubicka  <jh@suse.cz>
1509         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
1510         * doc/invoke.texi (inline-unit-growth): Update default value.
1512         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
1513         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
1514         (rebuild_cgraph_edges): Likewise.
1515         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
1516         (dump_cgraph_node): Dump frequencies.
1517         (cgraph_clone_edge): Add frequency scales.
1518         (cgraph_clone_node): Add freuqnecy.
1519         * cgraph.h (cgraph_edge): Add freuqnecy argument.
1520         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
1521         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
1522         * tree-pass.h (TODO_rebuild_frequencies): New constant.
1523         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
1524         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
1525         (save_inline_function_body): Likewise.
1526         * ipa-inline.c: inluce rtl.h
1527         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
1528         (cgraph_edge_badness): Use frequencies.
1529         (cgraph_decide_recursive_inlining): Update clonning.
1530         (cgraph_decide_inlining_of_small_function): Dump frequency.
1531         * predict.c (estimate_bb_frequencies): Export.
1532         * predict.h (estimate_bb_frequencies): Declare.
1533         * tree-inline.c (copy_bb): Watch overflows.
1534         (expand_call_inline): Update call of cgraph_create_edge.
1535         (optimize_inline_calls): Use TODO flags to update frequnecies.
1536         * passes.h: Include predict.h
1537         (init_optimization_passes): Move profile ahead.
1538         (execute_function_todo): Handle TODO_rebuild_frequencies.
1540 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1542         * config/alpha/alpha.c (emit_insxl): Force the first operand of
1543         the insbl or inswl pattern into a register.
1545 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1547         * config/ia64/ia64.md (bswapdi2): New define_insn.
1549 2007-02-09  Richard Henderson  <rth@redhat.com>
1551         * config/i386/constraints.md (Ym): New constraint.
1552         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
1553         (movdi_1_rex64): Split sse and xmm general register moves from
1554         memory move alternatives.  Use conditional register constraints.
1555         (movsf_1, movdf_integer): Likewise.
1556         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
1557         (movdf_integer_rex64): New.
1558         (pushsf_rex64): Fix output constraints.
1559         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
1560         (sse2_stored): Likewise.
1561         (sse2_storeq_rex64): New.
1562         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
1563         amd and not generic.
1564         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
1565         for optimize_size.  Remove SF/DFmode hack.
1567 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1569         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
1570         (bit_SSE4a): New.
1572 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
1573             Richard Sandiford  <richard@codesourcery.com>
1575         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
1576         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
1577         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
1578         m68k/t-mlib to tmake_file.
1579         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
1580         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
1581         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
1582         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
1583         variable is not empty, add t-$m68k_arch_family to tmake_file.
1584         Add t-mlibs to tmake_file.
1585         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
1586         * config/m68k/t-cf: New file.
1587         * config/m68k/t-m68k: Likewise.
1588         * config/m68k/t-mlibs: Likewise.
1589         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1590         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1591         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1592         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1593         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
1594         Delete.
1595         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
1596         (INSTALL_LIBGCC): Delete.
1597         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1598         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1599         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1600         (M68K_MLIB_CPU): Define.
1601         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1602         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1603         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
1605 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1606             Richard Guenther  <rguenther@suse.de>
1608         PR middle-end/23361
1609         * fold-const.c (fold_comparison): Handle obfuscated comparisons
1610         against INT_MIN/INT_MAX.
1611         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
1612         file if a loop is removed.
1614 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
1616         * calls.c (store_one_arg): Pass correct alignment to
1617         emit_push_insn for non-BLKmode values.
1618         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
1619         unaligned stack slot via a suitably aligned slot.
1621 2007-02-08  DJ Delorie  <dj@redhat.com>
1623         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
1624         warnings.
1625         (legal_subregs): Use unsigned char, make const.
1626         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
1628 2007-02-08  Paul Brook  <paul@codesourcery.com>
1630         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
1631         special interworking needed.
1633 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
1635         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
1636         conditional to __SSE2__.
1637         (Entries below should have been added to first ChangeLog
1638         entry for amdfam10 dated 2007-02-05)
1639         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
1640         defined.
1641         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
1642         defined.
1643         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
1644         defined.
1646 2007-02-08  DJ Delorie  <dj@redhat.com>
1648         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
1649         * config/m32c/m32c.c (legal_subregs): New.
1650         (m32c_illegal_subreg_p): New.
1651         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
1652         unsupported subregs of hard regs.
1654 2007-02-08  Jan Hubicka  <jh@suse.cz>
1656         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
1657         the same one; always update histograms.
1659 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
1661         * passes.c (init_optimization_passes): Tidy comment.
1663 2007-02-08  Roger Sayle  <roger@eyesopen.com>
1665         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
1666         strip zero_extend, bswap and rotates from POCOUNT's argument.
1667         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
1668         zero_extend and rotates from PARITY's argument.
1669         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
1670         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
1671         of an integer constant at compile-time.
1673 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
1675         PR 30562
1676         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
1677         Update all users.
1678         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
1679         users.
1680         (init_alias_info):
1681         * tree-ssa-live.c (remove_unused_locals): Do not remove
1682         TREE_ADDRESSABLE variables.
1683         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
1684         * tree-ssa-operands.c (add_virtual_operand): Remove argument
1685         FOR_CLOBBER.  Update all users.
1686         If VAR has an associated alias set, add a virtual operand for
1687         it if no alias is found to conflict with the memory reference.
1689 2007-02-07  Jan Hubicka  <jh@suse.cz>
1690             Robert Kidd <rkidd@crhc.uiuc.edu>
1692         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
1694 2007-02-07  Ian Lance Taylor  <iant@google.com>
1696         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
1698 2007-02-07  Roger Sayle  <roger@eyesopen.com>
1700         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
1701         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
1702         tablejumpdi, movsi_to_cr_one): Remove constraints from
1703         define_expand's match_operands.
1705 2007-02-07  Roger Sayle  <roger@eyesopen.com>
1707         * global.c (compute_regsets): Move declatation of "i" inside of
1708         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
1710 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
1712         PR c++/30703
1713         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
1714         of INDIRECT_REF <RESULT_DECL>.
1716         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
1718 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
1719             Kaz Kojima  <kkojima@gcc.gnu.org>
1721         PR target/29746
1722         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
1723         properly.
1724         (sh_initialize_trampoline): Add parentheses to avoid a warning.
1726 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
1728         * doc/loop.texi: Document possibility not to perform disambiguation
1729         of loops with multiple latches.
1730         * cfgloopmanip.c (alp_enum_p): Removed.
1731         (add_loop): Handle subloops.  Use get_loop_body_with_size.
1732         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
1733         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
1734         the new forwarder block.
1735         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
1736         Handle the case latch is NULL.
1737         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
1738         when marking loop exits.
1739         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
1740         be modified.
1741         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
1742         disambiguate_loops_with_multiple_latches.
1743         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
1744         before fix_loop_structure.
1745         * cfgloop.c: Include pointer-set.h and output.h.
1746         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
1747         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
1748         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
1749         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
1750         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
1751         disambiguate_multiple_latches, get_loop_body_with_size,
1752         disambiguate_loops_with_multiple_latches): New functions.
1753         (flow_loop_dump): Dump multiple latch edges.
1754         (flow_loop_nodes_find): Handle loops with multiple latches.
1755         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
1756         (glb_enum_p): Modified.
1757         (get_loop_body): Use get_loop_body_with_size.
1758         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
1759         (AVOID_CFG_MODIFICATIONS): New constant.
1760         (disambiguate_loops_with_multiple_latches, add_loop,
1761         get_loop_body_with_size): Declare.
1762         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
1764 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
1766         PR inline-asm/28686
1767         * global.c (compute_regsets): New function.
1768         (global_alloc): Refactored ELIMINABLE_REGSET
1769         and NO_GLOBAL_ALLOC_REGS computation out.
1770         (rest_of_handle_global_alloc): Call compute_regsets()
1771         for non-optimizing case.
1773 2007-02-06  Richard Henderson  <rth@redhat.com>
1775         * config/i386/constraints.md (Y2): Rename from Y.
1776         (Yi): New constraint.
1777         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
1778         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
1779         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
1780         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
1781         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
1782         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
1783         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
1784         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
1785         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
1786         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
1787         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
1788         vec_extractv2si_1): Change Y constraints to Y2.
1789         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
1790         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
1791         Change Y constraints to Y2.
1792         (sse2_loadld): Change Y constraints to x.
1794 2007-02-06  Roger Sayle  <roger@eyesopen.com>
1796         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
1797         (parity<mode>2): New define_expand using rs6000_emit_parity.
1798         * config/rs6000/rs6000.c (rs6000_emit_popcount,
1799         rs6000_emit_parity): New functions.
1800         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
1801         rs6000_emit_parity): Prototype here.
1803 2007-02-06  Ian Lance Taylor  <iant@google.com>
1805         * lower-subreg.c (simple_move_operand): Reject CONST.
1806         (resolve_clobber): Call validate_change rather than directly
1807         assigning to XEXP (pat, 0).
1809 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
1811         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
1812         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
1813         (tree-cfg.o): Remove hashtab.h dependency.
1815         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
1816         (struct ivopts_data): Change niters to pointer_map_t.
1817         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
1818         (niter_for_exit): Create pointer_map on demand.  Change for
1819         pointer_map API.
1820         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
1821         (free_loop_data): Destroy data->niters if created and reset field.
1822         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
1823         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
1825         * tree-ssa-reassoc.c: Include pointer-set.h.
1826         (bb_rank): Change to long *.
1827         (operand_rank): Change to pointer_map_t.
1828         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
1829         (insert_operand_rank): Accept long.
1830         (operand_entry_hash, operand_entry_eq): Remove.
1831         (get_rank): Return long.  Adjust for changes above.
1832         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
1833         and operand_rank.
1834         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
1836         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
1837         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
1838         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
1839         is not NULL.
1840         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
1841         directly since it cannot be NULL.
1842         (get_vi_for_tree): Rewrite for pointer_map API.
1843         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
1844         (init_alias_vars): Create vi_for_tree as pointer_map.
1845         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
1847         * tree-cfg.c: Don't include hashtab.h.
1848         (edge_to_cases): Declare as pointer_map.
1849         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
1850         Delete.
1851         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
1852         (start_recording_case_labels): Create edge_to_cases as pointer_map.
1853         (end_recoding_case_labels): Cleanup edge_to_cases manually before
1854         destroying it.
1855         (record_switch_edge): Delete.
1856         (get_cases_for_edge): Adjust for pointer_map API, inline
1857         record_switch_edge (rewritten for new API), remove goto.
1859 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
1861         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
1862         * tree-nested.c: Include pointer-set.h.
1863         (var_map_elt, var_map_eq, var_map_hash): Delete.
1864         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
1865         to pointer_map_t's.
1866         (nesting_info_bitmap_obstack): New.
1867         (lookup_field_for_decl): Adjust for pointer_map API.
1868         (lookup_tramp_for_decl): Adjust for pointer_map API.
1869         (get_nonlocal_debug_decl): Adjust for pointer_map API.
1870         (get_local_debug_decl): Adjust for pointer_map API.
1871         (convert_nl_goto_reference): Adjust for pointer_map API.
1872         (convert_nl_goto_receiver): Adjust for pointer_map API.
1873         (create_nesting_tree): Create outside GGC space.  Create bitmap on
1874         the new obstack.  Create field_map and var_map as pointer_maps.
1875         (free_nesting_tree): Adjust for changes to create_nesting_tree.
1876         (root): Delete.
1877         (lower_nested_functions): Move root here, no need to NULL it.
1878         Initialize and release the obstack.
1880 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
1882         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
1883         Remove prototypes and make them non-static.
1884         (struct tree_int_map): Remove.
1885         * tree.h (struct tree_int_map): Move here, turning TO into an
1886         unsigned int.
1887         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
1889         * tree.h (TREE_COMPLEXITY): Remove.
1890         (struct tree_exp): Remove complexity field.
1891         * tree.c (build1_stat): Don't set it.
1893 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
1894             Victor Kaplansky  <victork@il.ibm.com>
1896         * tree-vectorizer.c (vect_is_simple_use): Support induction.
1897         (vect_is_simple_reduction): Support reduction with induction as
1898         one of the operands.
1899         (vect_is_simple_iv_evolution): Fix formatting.
1900         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
1901         formatting.  Don't mark induction phis for vectorization.
1902         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
1903         * tree-vect-transform.c (get_initial_def_for_induction): New function.
1904         (vect_get_vec_def_for_operand): Support induction.
1905         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
1906         induction case.
1907         (vectorizable_reduction): Support reduction with induction as one of
1908         the operands.
1909         (vectorizable_type_demotion): Use def-type of stmt argument rather
1910         than dummy def-type.
1912         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
1913         flag_tree_scev_cprop.
1914         * common.opt (tree-scev-cprop): New flag.
1916         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
1917         call to vect_get_new_vect_var.
1919 2007-02-06  Ira Rosen  <irar@il.ibm.com>
1921         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
1922         vectype is not NULL.
1923         (vect_pattern_recog_1): Likewise.
1925 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1927         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
1928         (fold_negate_expr): Likewise.
1930 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
1932         PR debug/30189
1933         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
1934         even if cv-qualification is the same.
1936 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
1938         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
1939         __enable_execute_stack on completion.
1941 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1943         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
1944         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
1945         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
1946         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
1947         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
1948         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
1949         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
1950         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
1952 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1954         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
1955         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
1956         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
1957         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
1958         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
1959         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
1960         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
1961         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
1962         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
1963         umuldi3_highpart_rex64, umulsi3_highpart_insn,
1964         umulsi3_highpart_zext, smuldi3_highpart_rex64,
1965         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
1966         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
1967         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
1968         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
1969         sqrtextenddfxf2_i387): Added amdfam10_decode.
1971         * config/i386/athlon.md (athlon_idirect_amdfam10,
1972         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
1973         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
1974         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
1975         athlon_ivector_store_amdfam10): New define_insn_reservation.
1976         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
1977         amdfam10.
1979 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1981         * config/i386/athlon.md (athlon_call_amdfam10,
1982         athlon_pop_amdfam10, athlon_lea_amdfam10): New
1983         define_insn_reservation.
1984         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
1985         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
1986         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
1988 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1990         * config/i386/athlon.md (athlon_sseld_amdfam10,
1991         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
1992         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
1994 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1996         * config/i386/athlon.md (athlon_sseins_amdfam10): New
1997         define_insn_reservation.
1998         * config/i386/i386.md (sseins): Added sseins to define_attr type
1999         and define_attr unit.
2000         * config/i386/sse.md: Set type attribute to sseins for insertq
2001         and insertqi.
2003 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2005         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2006         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2007         ssecomi_load_amdfam10, ssecomi_amdfam10,
2008         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2009         define_insn_reservation.
2010         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2012 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2014         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2015         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2016         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2017         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2018         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2019         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2020         define_insn_reservation.
2022         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2023         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2024         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2025         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2026         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2028 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2030         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2031         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2032         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2033         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2034         athlon_ssemul_load_k8): Added amdfam10.
2036 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2038         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2039         (x86_sse_unaligned_move_optimal): New variable.
2041         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2042         m_AMDFAM10.
2043         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2044         for unaligned vector SSE double/single precision loads for AMDFAM10.
2046 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2048         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2049         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2050         Define TARGET_CPU_DEFAULT_amdfam10.
2051         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2052         (processor_type): Add PROCESSOR_AMDFAM10.
2054         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2055         processor_type in config/i386/i386.h.
2056         Enable imul peepholes for TARGET_AMDFAM10.
2058         * config.gcc: Add support for --with-cpu option for amdfam10.
2060         * config/i386/i386.c (amdfam10_cost): New variable.
2061         (m_AMDFAM10): New macro.
2062         (m_ATHLON_K8_AMDFAM10): New macro.
2063         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2064         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2065         x86_promote_QImode, x86_integer_DFmode_moves,
2066         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2067         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2068         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2069         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2070         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2071         Enable/disable for amdfam10.
2072         (override_options): Add amdfam10_cost to processor_target_table.
2073         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2074         processor_alias_table.
2075         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2076         (ix86_adjust_cost): Add code for amdfam10.
2078 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2080         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2081         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2082         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2083         * config/i386/i386.h: Add builtin definition for SSE4A.
2084         * config/i386/i386.md: Add support for ABM instructions
2085         (popcnt and lzcnt).
2086         * config/i386/sse.md: Add support for SSE4A instructions
2087         (movntss, movntsd, extrq, insertq).
2088         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2089         Add -march=amdfam10 flag.
2090         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2091         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2092         and amdfam10.
2093         * doc/extend.texi: Add documentation for SSE4A builtins.
2095 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2097         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2099 2007-02-05  Richard Guenther  <rguenther@suse.de>
2101         * tree-vectorizer.h (vectorizable_function): Add argument type
2102         argument, change return type.
2103         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2104         * tree-vect-transform.c (vectorizable_function): Handle extra
2105         argument, return vectorized function decl.
2106         (build_vectorized_function_call): Remove.
2107         (vectorizable_call): Handle calls with result and argument types
2108         differing.  Handle loop vectorization factor correctly.
2109         * targhooks.c (default_builtin_vectorized_function): Adjust for
2110         extra argument.
2111         * targhooks.h (default_builtin_vectorized_function): Likewise.
2112         * target.h (builtin_vectorized_function): Add argument type
2113         argument.
2114         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2115         extra argument, allow vectorizing of lrintf.
2116         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2117         documentation of target hook.
2119 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2121         PR target/30665
2122         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2123         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2124         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2126 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2128         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2129         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2130         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2131         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2132         before canonicalizing sincos to cexpi.
2133         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2135 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2137         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2138         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2139         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2141 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2143         * mips-tfile.c (initialize_init_file): Correct endianness test.
2145 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2147         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2148         the 'y' constraint.
2150 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2152         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2153         saves in a PARALLEL before the register assignments.
2155 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2157         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2158         DWARF_FRAME_RETURN_COLUMN to be a general register.
2159         * dwarf2out.c (init_return_column_size): New function, split from...
2160         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2161         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2162         to be nongeneral registers.
2163         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2164         integer registers.
2165         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2166         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2168 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2170         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2172 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2174         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2175         (remove_path): Use can_remove_branch_p and remove_branch instead
2176         of loop_delete_branch_edge.
2177         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2178         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2179         Update profile using scale_dominated_blocks_in_loop.
2180         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2181         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2182         (can_remove_branch_p, remove_branch): Declare.
2183         * tree-cfg.c (tree_can_remove_branch_p): New function.
2184         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2185         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2186         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2188 2007-02-05  Jan Hubicka  <jh@suse.cz>
2190         PR middle-end/30696
2191         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2192         nodes in cgraph, don't remove offline copy of the function.
2194 2007-02-04  Jan Hubicka  <jh@suse.cz>
2196         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2197         vectors might cause maybe_lookup_element_for_expr to be called
2198         on non-sra-candidate.
2200 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2202         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2203         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2204         spelling conventions.
2206 2007-02-04  Richard Guenther  <rguenther@suse.de>
2208         PR middle-end/30636
2209         * fold-const.c (try_move_mult_to_index): Make sure to not
2210         overflow one dimension of a multi-dimensional array access.
2212 2007-02-04  Jan Hubicka  <jh@suse.cz>
2214         * passes.c (init_optimization_passes): Reindent.
2216 2007-02-04  Jan Hubicka  <jh@suse.cz>
2217             Eric Botcazou  <ebotcazou@adacore.com>
2219         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2220         (execute_fixup_cfg): Break out the abnormal goto code.
2221         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2222         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2223         (optimize_inline_calls): Call make_nonlocal_label_edges.
2225 2007-02-04  Jan Hubicka  <jh@suse.cz>
2227         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2228         true when something was changed.
2229         (rename_ssa_copies): When something was changed, do
2230         TODO_remove_unused_locals.
2231         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2232         add TODO_remove_unused_locals when instruction was removed.
2234 2007-02-04  Jan Hubicka  <jh@suse.cz>
2236         * ipa-inline.c (try_inline): Improve debug output; work on already
2237         inline edges too.
2238         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2239         call try_inline for already inlined edges too when flattening;
2240         inline also functions that make callee growth but overall unit size
2241         reduce.
2243 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2245         * config/m32c/bitops.md, config/m32c/jump.md,
2246         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2247         config/m32r/m32r.h, config/m32r/m32r.md,
2248         config/m32r/predicates.md, config/m68hc11/larith.asm,
2249         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2250         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2251         config/mips/mips-protos.h, config/mips/mips.c,
2252         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2253         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2254         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2255         spelling conventions.
2257         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2258         Follow spelling conventions.
2260 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2262        * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2263        warn about C++0x compatibility.
2265 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2267         * config/h8300/h8300.c, config/h8300/h8300.h,
2268         config/h8300/h8300.md: Follow spelling conventions.
2270 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2272         PR middle-end/30667
2273         * combine.c (try_combine): Do not substitute source operand
2274         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2276 2007-02-03  Jan Hubicka  <jh@suse.cz>
2278         PR gcov-profile/30650
2279         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2280         do not divide by zero for never executed counters.
2281         (tree_find_values_to_profile): Fix counters.
2282         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2284 2007-02-03  Ian Lance Taylor  <iant@google.com>
2286         * lower-subreg.c (simple_move_operand): New static function,
2287         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2288         operands.
2289         (simple_move): Call simple_move_operand.
2290         (find_decomposable_subregs): Add special handling of MEMs.
2291         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2292         meaning of return value.  If we see a hard register, test whether
2293         it can store a word_mode value.  Change all callers.
2295 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2297         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2298         ftrapv insns and expanders.
2299         (subdi3): Change define_expand operand 1 to arith11_operand, and
2300         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2301         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2302         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2303         respectively.
2305         PR middle-end/30174
2306         * varasm.c (notice_global_symbol): Treat global objects as weak when
2307         flag_shlib is true.
2309 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2311         * emit-rtl.c (dconstpi): Delete.
2312         (dconstsqrt2): New.
2313         (init_emit_once): Delete dconstpi and init dconstsqrt2.
2314         * real.h (dconstpi): Delete.
2315         (dconstsqrt2): New.
2316         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2317         (fold_builtin_hypot): Likewise.
2319 2007-02-03  Tom Tromey  <tromey@redhat.com>
2321         PR driver/30246
2322         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2323         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2325 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2327         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2328         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2329         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2330         config/rs6000/cell.md, config/rs6000/darwin.h,
2331         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2332         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2333         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2334         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2335         typos.  Follow spelling conventions.
2336         * doc/invoke.texi: Follow spelling conventions.
2338 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2340         * simplify-rtx.c (simplify_relational_operation_1): Implement some
2341         canonicalization transformations that attempt to simplify integer
2342         constant comparisons to become comparisons against zero.
2344 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2346         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2347         fabs(x)*sqrt(2).
2348         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
2349         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
2351 2007-02-02  Mike Stump  <mrs@apple.com>
2353         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2354         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2355         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2356         generate a branch island.
2358 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
2360         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2361         (xtensa_legitimate_address_p): New.
2362         (xtensa_legitimize_address): New.
2363         (xtensa_output_addr_const_extra): New.
2364         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2365         (BASE_REG_P): New.
2366         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2367         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2368         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2369         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2370         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
2371         (xtensa_legitimize_address): New.
2372         (xtensa_output_addr_const_extra): New.
2374 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
2376         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2378 2007-02-02  Ian Lance Taylor  <iant@google.com>
2380         * expmed.c (expand_divmod): Add comment.
2382 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
2384         * emit-rtl.c (renumber_insns): Remove.
2385         * flags.h: Remove the extern for flag_renumber_insns.
2386         * rtl.h: Remove the prototype for renumber_insns.
2387         * toplev.c (flag_renumber_insns): Remove.
2389 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
2391         Revert for x86 darwin:
2392         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
2394         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
2395         code before the following patch under TARGET_MACHO.
2396         (ix86_function_value_regno_p): Likewise.
2398 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2400         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
2401         COMPLEX_EXPR.
2403 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2405         PR target/29682
2406         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
2407         general or fp registers.  Add comments.
2408         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
2410 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
2412         * pointer-set.c (insert_aux): Only return insertion slot.
2413         (pointer_set_insert): Adjust.
2414         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
2415         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
2416         pointer_map_traverse): New.
2417         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
2418         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
2419         pointer_map_contains, pointer_map_traverse): Declare.
2421 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
2423         PR middle-end/30473
2424         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
2425         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
2427 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2429         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
2431         (struct _dep): New type.
2432         (dep_t): New typedef.
2433         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
2434         (DEP_STATUS): New access macro.  The macro with the same name was
2435         renamed to DEP_LINK_STATUS.
2436         (dep_init): Declare function
2438         (struct _dep_link): New type.
2439         (dep_link_t): New typedef.
2440         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
2441         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
2442         (DEP_LINK_STATUS): New macro.
2443         (debug_dep_links): New debug function.
2445         (struct _deps_list): New type.
2446         (deps_list_t): New typedef.
2447         (DEPS_LIST_FIRST): New access macro.
2448         (FOR_EACH_DEP_LINK): New cycle macro.
2449         (create_deps_list, free_deps_list, delete_deps_list): Declare
2450         functions.
2451         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
2452         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
2453         (copy_deps_list_change_con): Ditto.
2455         (move_dep_link): Declare function.
2457         (struct _dep_node): New type.
2458         (dep_node_t): New typedef.
2459         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
2461         (struct haifa_insn_data.back_deps): New field to hold backward
2462         dependencies of the insn.
2463         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
2464         to deps_list_t.
2465         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
2466         Change its type to deps_list_t.
2467         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
2468         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
2469         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
2471         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
2473         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
2475         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
2476         all callers.
2477         (dep_cost): Declare.
2479         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
2480         (ds_to_dk, dk_to_ds): New functions.
2482         (init_dep_1): New static function.
2483         (init_dep): New function.
2484         (copy_dep): New static function.
2486         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
2487         functions.
2488         (detach_dep_link): New static function.
2489         (move_dep_link): New function.
2491         (dep_links_consistent_p, dump_dep_links): New static functions.
2492         (debug_dep_links): New debugging function.
2494         (deps_obstack, dl_obstack, dn_obstack): New static variables.
2496         (alloc_deps_list, init_deps_list): New static functions.
2497         (create_deps_list): New function.
2498         (clear_deps_list): New static function.
2499         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
2500         (deps_list_consistent_p, dump_deps_list): New static functions.
2501         (debug_deps_list): New function.
2502         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
2503         functions.
2504         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
2506         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
2507         use new scheduler dependencies lists.
2508         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
2509         (sched_analyze): Ditto.  Initialize dependencies lists.
2510         (add_forw_dep, compute_forward_dependences): Update to use new
2511         scheduler dependencies lists.
2513         (init_dependency_caches): Init deps_obstack.
2514         (free_dependency_caches): Free deps_obstack.
2516         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
2517         new scheduler dependencies lists.
2518         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
2519         (add_back_forw_dep, delete_back_forw_dep): Ditto.
2521         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
2522         Update to use new scheduler dependencies lists.
2523         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
2524         (debug_dependencies): Ditto.
2525         (schedule_region): Update comments.
2527         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
2528         scheduler dependencies lists.
2529         (schedule_ebb): Update comments.
2531         * rtl.def (DEPS_LIST): Remove.
2533         * lists.c (unused_deps_list): Remove.
2534         (free_list): Update assertions.
2536         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
2537         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2539         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
2540         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2542         * haifa-sched.c (comments): Update.
2543         (insn_cost1): Remove.  Inline the code into insn_cost ().
2544         (insn_cost): Update to use new scheduler dependencies lists.  Move
2545         processing of the dependency cost to dep_cost ().
2546         (dep_cost): New function.  Use it instead of insn_cost () when
2547         evaluating cost of the dependency.  Use compatible interface to
2548         interact with the target.
2549         (priority): Update to use new scheduler dependencies lists.
2550         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
2551         with greater number of insns that depend on the insn.
2552         (schedule_insn): Update to use new scheduler dependencies lists.  Add
2553         code to free backward dependencies lists.  Inline and optimize code
2554         from resolve_dep () - see PR28071.
2555         (ok_for_early_queue_removal): Update to use new scheduler dependencies
2556         lists.  Update call to targetm.sched.is_costly_dependence hook.
2558         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
2559         scheduler dependencies lists.
2561         (resolve_dep): Remove.  Move the logic to schedule_insn ().
2562         (init_h_i_d): Initialize dependencies lists.
2564         (process_insn_depend_be_in_spec): Rename to
2565         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
2566         dependencies lists.
2567         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
2568         Update to use new scheduler dependencies lists.
2569         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
2571         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
2572         new scheduler dependencies lists.
2573         (build_intra_loop_deps): Ditto.
2575         * target.h (struct _dep): Declare to use in
2576         gcc_target.sched.is_costly_dependence.
2577         (struct gcc_target.sched.adjust_cost): Fix typo.
2578         (struct gcc_target.sched.is_costly_dependence): Change signature to use
2579         single dep_t parameter instead of an equivalent triad.
2580         (struct gcc_target.sched.adjust_cost_2): Remove.
2582         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
2584         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
2586         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
2587         documentation.
2588         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
2590         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
2591         (REG_DEP_TRUE): Document.
2593         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
2594         Change signature to correspond to the targetm.sched.adjust_cost hook.
2595         Update use in TARGET_SCHED_ADJUST_COST_2.
2596         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
2597         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
2598         new scheduler dependencies lists.
2599         (ia64_gen_check): Ditto.
2601         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
2602         dependencies lists.
2604         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
2605         signature to correspond to the targetm.sched.is_costly_dependence hook.
2606         (is_costly_group): Update to use new scheduler dependencies lists.
2608         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
2609         instead of INSN_COST () macro.
2611 2007-02-01  Ian Lance Taylor  <iant@google.com>
2613         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
2615 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
2617         * pa.md (tp_load): Correct mfctl instruction syntax.
2619 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
2621         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
2622         altivec_padding_size calculation on AIX.  Improve comment, add
2623         assert to verify that it's right.
2625         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
2626         64-bit.
2628 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
2630         PR inline-asm/28686
2631         * global.c (global_alloc): Add mising initialization of
2632         ELIMINABLE_REGSET.
2634 2007-02-01  Roger Sayle  <roger@eyesopen.com>
2636         * alias.c (init_alias_analysis): Correct whitespace.
2637         * bb-reorder.c (fix_edges_for_rarely_executed_code,
2638         partition_hot_cold_basic_blocks): Likewise.
2639         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2640         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
2641         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2642         fold_builtin_snprintf_chk, fold_builtin_printf,
2643         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
2644         do_mpfr_arg3, do_mpfr_sincos): Likewise.
2645         * cfgcleanup.c (cleanup_cfg): Likewise.
2646         * cfgexpand.c (tree_expand_cfg): Likewise.
2647         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
2648         * function.c (get_next_funcdef_no): Likewise.
2649         * gengtype.c (main): Likewise.
2650         * genmodes.c (main): Likewise.
2651         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
2652         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
2653         * ifcvt.c (noce_emit_move_insn): Likewise.
2654         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
2655         Likewise.
2656         * stor-layout.c (get_best_mode): Likewise.
2657         * tree-ssa-loop-niter.c (get_val_for): Likewise.
2658         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
2659         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
2660         perform_var_substitution, solve_graph): Likewise.
2661         * tree-vrp.c (vrp_finalize): Likewise.
2663 2007-02-01  Ian Lance Taylor  <iant@google.com>
2665         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
2666         high part of a paradoxical subreg, return a constant zero.
2668 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
2670         * toplev.c (lang_dependent_init): Call init_set_costs.
2671         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
2673 2007-02-01  Richard Guenther  <rguenther@suse.de>
2675         PR middle-end/30656
2676         * fold-const.c (fold_negate_expr): Allow negating a
2677         constant if overflow does not change.
2679 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2681         * doc/c-tree.texi (Expression trees): Improve markup.
2682         * doc/tm.texi (Register Classes, Addressing Modes)
2683         (Floating Point): Fix spacing after abbreviations.  Fix some
2684         typos.
2686 2007-02-01  Ben Elliston  <bje@au.ibm.com>
2688         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
2689         * doc/contrib.texi: Likewise.
2690         * doc/install.texi: Likewise.
2692 2007-01-31  Richard Henderson  <rth@redhat.com>
2693             Ian Lance Taylor  <iant@google.com>
2695         * lower-subreg.c: New file.
2696         * rtl.def (CONCATN): Define.
2697         * passes.c (init_optimization_passes): Add pass_lower_subreg and
2698         pass_lower_subreg2.
2699         * emit-rtl.c (update_reg_offset): New static function, broken out
2700         of gen_rtx_REG_offset.
2701         (gen_rtx_REG_offset): Call update_reg_offset.
2702         (gen_reg_rtx_offset): New function.
2703         * regclass.c: Revert patch of 2006-03-05, restoring
2704         reg_scan_update.
2705         (clear_reg_info_regno): New function.
2706         * dwarf2out.c (concatn_loc_descriptor): New static function.
2707         (loc_descriptor): Handle CONCATN.
2708         * common.opt (fsplit_wide_types): New option.
2709         * opts.c (decode_options): Set flag_split_wide_types when
2710         optimizing.
2711         * timevar.def (TV_LOWER_SUBREG): Define.
2712         * rtl.h (gen_reg_rtx_offset): Declare.
2713         (reg_scan_update): Declare.
2714         * regs.h (clear_reg_info_regno): Declare.
2715         * tree-pass.h (pass_lower_subreg): Declare.
2716         (pass_lower_subreg2): Declare.
2717         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
2718         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
2719         -fsplit-wide-types.
2720         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
2721         * Makefile.in (OBJS-common): Add lower-subreg.o.
2722         (lower-subreg.o): New target.
2724 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
2726         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
2728 2007-01-31  Anatoly Sokolov <aesok@post.ru>
2730         PR target/19087
2731         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
2733 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2735         PR middle-end/29335
2736         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
2738 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
2740         * cfgloop.h: Include vec-prim.h.
2741         (enum li_flags): Remove LI_ONLY_OLD.
2742         (loop_iterator): Changed.
2743         (fel_next, fel_init): Iterate over loop tree.
2744         (FOR_EACH_LOOP_BREAK): New macro.
2745         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
2746         FOR_EACH_LOOP.
2747         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
2748         * modulo-sched.c (sms_schedule): Ditto.
2749         * tree-vectorizer.c (vectorize_loops): Ditto.
2750         * doc/loop.texi: Update information on loop numbering and behavior of
2751         FOR_EACH_LOOP wrto new loops.
2752         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2753         add_to_evolution_1): Test nestedness of loops instead of comparing
2754         their numbers.
2755         * tree-chrec.c (chrec_fold_plus_poly_poly,
2756         chrec_fold_multiply_poly_poly, chrec_evaluate,
2757         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
2758         reset_evolution_in_loop): Ditto.
2759         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
2761 2007-01-31  Dirk Mueller  <dmueller@suse.de>
2763         * c-common.c (warn_about_parentheses): Separate warning about
2764         un-parenthized sequence of comparison operators from the one
2765         which is supposed to warn about x <= y <= z.
2767 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
2769         * optabs.h (enum optab_index): Add new OTI_isinf.
2770         (isinf_optab): Define corresponding macro.
2771         * optabs.c (init_optabs): Initialize isinf_optab.
2772         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
2773         patterns.
2774         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
2775         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
2776         using isinf_optab.
2777         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
2778         expand_builtin_interclass_mathfn.
2779         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
2780         * config/i386/i386.md (UNSPEC_FXAM): New constant.
2781         (fxam<mode>2_i387): New insn pattern.
2782         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
2783         built-in functions as x87 inline asm.
2785 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
2787         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
2789 2007-01-30  Eric Christopher  <echristo@apple.com>
2791         * config.gcc: Add geode.
2793 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
2795         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
2796         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
2797         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
2798         value-prof.c: Fix comment typos.
2800 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2802         PR c++/24745
2803         * doc/invoke.texi (Wpointer-arith): Document warning.
2805 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
2807         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
2808         the list of discrepancies from the draft TR.
2810 2007-01-30  Dirk Mueller  <dmueller@suse.de>
2812         PR c++/30601
2813         * doc/invoke.texi (-Wreturn-type): Update description to
2814         match new behavior.
2816 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
2818         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
2820 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
2822         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
2823         to handle optabs that operate on floating point input argument and
2824         output to integer output.
2825         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
2826         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
2827         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
2828         expand_builtin_interclass_mathfn ().
2829         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
2830         (ilogbsi2): Remove.
2831         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
2832         ilogbl built-in functions as x87 intrinsics.
2834 2007-01-30  Richard Guenther  <rguenther@suse.de>
2836         PR middle-end/27657
2837         * dwarf2out.c (reference_to_unused): Query varpool if the
2838         variable was output.
2840 2007-01-30  Richard Guenther  <rguenther@suse.de>
2842         PR middle-end/30313
2843         * passes.c (execute_one_pass): Reset in_gimple_form to not
2844         confuse non-unit-at-a-time mode.
2846 2007-01-29  Roger Sayle  <roger@eyesopen.com>
2847             Richard Guenther  <rguenther@suse.de>
2849         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
2850         avoid undefined behaviour on overflow.  Use force_fit_type_double
2851         to construct the constant with the specified TREE_OVERFLOW.
2853 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
2855         * config/dfp-bit.c: Add parameterized support for fp exceptions.
2856         * config/dfp-bit.h: Ditto.
2858 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2860         * c-decl.c (pop_scope): Replace warnings with call to
2861         warn_for_unused_label.
2862         * c-common.h (warn_for_unused_label): Declare.
2863         * c-common.c (warn_for_unused_label): Define.
2865 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2867         * tree-optimize.c (update_inlined_to_pointers): Delete unused
2868         function.
2870 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
2872         * Makefile.in (USER_H): Remove decfloat.h.
2873         * ginclude/decfloat.h: Delete, moving contents to ...
2874         * ginclude/float.h: Add support for decimal floating point,
2875         guarded by __STDC_WANT_DEC_FP__.
2877 2007-01-29  Mike Stump  <mrs@apple.com>
2879         * doc/gccint.texi (Top): Rename Loop Representation to Loop
2880         Analysis and Representation to resolve case insensitive conflict.
2881         * doc/loop.texi (Loop Analysis and Representation): Likewise.
2883 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
2885         * tree.h (struct tree_memory_tag): Add aliases member.
2886         (MTAG_ALIASES): New macro.
2887         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
2888         (add_may_alias): Remove pointer-set. Update for may_aliases being
2889         a bitmap.
2890         (mark_aliases_call_clobbered): Update for may_aliases being a
2891         bitmap.
2892         (compute_tag_properties): Ditto.
2893         (create_partition_for): Ditto.
2894         (compute_memory_partitions): Ditto.
2895         (dump_may_aliases_for): Ditto.
2896         (is_aliased_with): Ditto.
2897         (add_may_alias_for_new_tag): Ditto.
2898         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
2899         (compute_is_aliased): New function.
2900         (compute_may_aliases): Call compute_is_aliased).
2901         (init_alias_info): Initialize alias_bitmap_obstack.
2902         (union_alias_set_into): New function.
2903         (compute_flow_sensitive_aliasing): Use union_aliases_into.
2904         (have_common_aliases_p): Rewrite to take two bitmaps and use
2905         intersection.
2906         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
2907         Update for bitmaps.
2908         (finalize_ref_all_pointers): Update for add_may_alias changes.
2909         (new_type_alias): Ditto.
2910         * tree-flow-inline.h (may_aliases): Return a bitmap.
2911         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
2912         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
2913         may_aliases being a bitmap.
2914         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
2915         may_aliases now returns a bitmap.
2916         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
2917         being a bitmap.
2918         * tree-ssa-operands.c (add_virtual_operand): Update for
2919         may_aliases being a bitmap.
2921 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
2923         PR tree-optimization/30630
2924         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
2925         variable as changed.
2927 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
2929         PR c++/28266
2930         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
2931         expanded only once even if an error occurs.
2933 2007-01-29  Ben Elliston  <bje@au.ibm.com>
2935         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
2936         (__gcov_average_profiler): Likewise.
2937         (__gcov_ior_profiler): Likewise.
2938         (__gcov_merge_ior): Likewise.
2940 2007-01-28  Jan Hubicka  <jh@suse.cz>
2942         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
2943         * value-prof.c (stringop_block_profile): Likewise.
2945 2007-01-28  Jan Hubicka  <jh@suse.cz>
2947         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
2948         variant handling histograms; add wrapper.
2949         (clear_storage_via_libcall): Export.
2950         (emit_block_move_hints): Break out from ...; add histograms.
2951         (emit_block_move): ... this one.
2952         (clear_storage_hints): Break out from ...; add histograms.
2953         (clear_storage): ... this one.
2954         (set_storage_via_memset): Handle histogram.
2955         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
2956         (clear_storage_hints, clear_storage_via_libcall): Declare.
2957         (set_storage_via_setmem): Update prototype.
2958         * doc/md.texi (movmem, setmem): Document new arguments.
2960         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
2961         new histograms.
2962         (stringop_block_profile): New global function.
2963         (tree_stringops_values_to_profile): Profile block size and alignment.
2964         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
2965         HIST_TYPE_IOR.
2966         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
2967         (stringop_block_profile): Declare.
2968         * builtins.c: Include value-prof.h.
2969         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
2970         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
2971         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
2972         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
2973         * profile.c (instrument_values): Add new counters.
2974         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
2975         calls.
2976         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
2977         (tree_init_edge_profiler): Build new profilers.
2978         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
2979         (pass_tree_profile): Add dump.
2980         (tree_profile_hooks): Update.
2981         * Makefile.in (LIBGCOV): Add new constants.
2982         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
2983         __gcov_ior_profiler): New.
2984         * i386.md (movmem/setmem expanders): Add new optional arguments.
2986 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
2988         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
2990 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
2992         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
2993         (tree_unswitch_single_loop): Pass eni_size_weights to
2994         tree_num_loop_insns.
2995         * tree-ssa-loop-manip.c: Include tree-inline.h.
2996         (can_unroll_loop_p): Pass eni_size_weights to
2997         tree_num_loop_insns.
2998         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
2999         Pass eni_size_weights to estimate_num_insns.
3000         * tree.h (init_inline_once): Export.
3001         * toplev.c (backend_init): Call init_inline_once.
3002         * cgraphunit.c (cgraph_process_new_functions,
3003         cgraph_analyze_function): Pass eni_inlining_weights to
3004         estimate_num_insns.
3005         * ipa-inline.c (compute_inline_parameters): Ditto.
3006         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3007         to estimate_num_insns.
3008         (try_unroll_loop_completely): Pass eni_size_weights to
3009         tree_num_loop_insns.
3010         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3011         ot estimate_num_insns.
3012         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3013         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3014         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3015         eni_time_weights): New variables.
3016         (init_inline_once): Initialize them.
3017         (struct eni_data): Mew.
3018         (estimate_num_insns_1, estimate_num_insns): Use weights.
3019         * tree-inline.h (struct eni_weights_d): New.
3020         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3021         (estimate_num_insns): Declaration changed.
3022         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3023         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3024         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3026 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3028         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3029         relations in the conflict function is valid.
3031 2007-01-27  Ian Lance Taylor  <iant@google.com>
3033         * common.opt: Add fstrict-overflow.
3034         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3035         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3036         (TYPE_OVERFLOW_UNDEFINED): Define.
3037         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3038         Replace all uses.
3039         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3040         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3041         (fold_negate_expr): Likewise.
3042         (make_range): Likewise.
3043         (extract_muldiv_1): Likewise.
3044         (maybe_canonicalize_comparison): Likewise.
3045         (fold_comparison): Likewise.
3046         (fold_binary): Likewise.
3047         (tree_expr_nonnegative_p): Likewise.
3048         (tree_expr_nonzero_p): Likewise.
3049         * tree-vrp.c (compare_values): Likewise.
3050         (extract_range_from_binary_expr): Likewise.
3051         (extract_range_from_unary_expr): Likewise.
3052         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3053         Likewise.
3054         (nowrap_type_p): Likewise.
3055         * tree-scalar-evolution.c (simple_iv): Likewise.
3056         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3057         (build_range_check): Likewise.
3058         (extract_muldiv_1): Likewise.
3059         (fold_comparison): Likewise.
3060         * tree-vrp.c (vrp_int_const_binop): Likewise.
3061         (extract_range_from_unary_expr): Likewise.
3062         * convert.c (convert_to_integer): Likewise.
3063         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3064         (fold_comparison): Likewise.
3065         (fold_binary): Likewise.
3066         * optabs.c (optab_for_tree_code): Likewise.
3067         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3068         * simplify-rtx.c (simplify_const_relational_operation): Check
3069         flag_strict_overflow and flag_trapv.
3070         (simplify_const_relational_operation): Likewise.
3071         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3072         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
3073         -fstrict-overflow.
3075 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3077         * tree.c (tree_fold_gcd): Delete.
3078         * tree.h (tree_fold_gcd): Remove prototype.
3079         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3080         test whether one constant integer is a multiple of another.  Instead
3081         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3082         * fold-const.c (multiple_of_p):  We've determined both TOP and
3083         BOTTOM are integer constants so we can call int_const_binop directly
3084         instead of the more generic const_binop.
3086 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3088         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3089         1*X check that the constant hasn't overflowed, to preserve the
3090         TREE_OVERFLOW bit.
3091         (round_up): Provide an efficient implementation when rouding-up an
3092         INTEGER_CST to a power-of-two.
3094 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3096         * doc/sourcebuild.texi: Add comma for clarity.
3097         * doc/extend.texi: Fix some typos.
3098         * doc/passes.texi: Likewise.
3099         * doc/cppinternals.texi: Likewise.
3100         * doc/c-tree.texi: Likewise.
3101         * doc/tree-ssa.texi: Likewise.
3102         * doc/install.texi: Likewise.
3104 2007-01-27  Jan Hubicka  <jh@suse.cz>
3106         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3107         (pass_sra): Do not require alias information.
3108         * passes.c (init_optimization_passes): Add SRA
3110 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3112         * tracer.c (rest_of_handle_tracer): We already cleaned
3113         up the CFG in tracer() so don't do it here again.
3114         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3115         cleanup_cfg here, either.  And don't call renumber_insns.
3117         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3118         and BB_HEAD are in the insn stream here.  Instead make sure
3119         that BB_INSN is valid on all insns.  Also, do check here that
3120         there are no pending branch predictions...
3121         (rtl_verify_flow_info): ...instead of doing it here.  Checks
3122         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3123         here.
3125 2007-01-26  Roger Sayle  <roger@eyesopen.com>
3127         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3128         function to simplify/factorize operand order canonicalization.
3129         (ix86_fixup_binary_operands): Reorganize using the above function.
3130         (ix86_binary_operator_ok): Likewise.
3132 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3134         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3135         file scope from optimize_attrs.
3136         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3137         up search.
3138         (optimize_attrs): Clear insn_code_values after freeing it.
3140 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3142         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3143         a parts.base assignment.
3145 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3147         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3148         (compute_subscript_distance, initialize_data_dependence_relation,
3149         finalize_ddr_dependent, analyze_ziv_subscript,
3150         analyze_siv_subscript_cst_affine,
3151         compute_overlap_steps_for_affine_univar,
3152         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3153         analyze_siv_subscript, analyze_miv_subscript,
3154         analyze_overlapping_iterations, subscript_dependence_tester_1,
3155         compute_self_dependence, free_dependence_relation): Work
3156         with affine_fn instead of chrecs.
3157         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3158         common_affine_function, affine_function_base,
3159         affine_function_constant_p, affine_fn_op, affine_fn_plus,
3160         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3161         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3162         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3163         (all_chrecs_equal_p): Removed.
3164         * tree-data-ref.h (affine_fn, conflict_function): New types.
3165         (struct subscript): Change type of conflicting_iterations_in_a
3166         and conflicting_iterations_in_b.
3168 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
3170         PR other/30182
3171         * config/pa/pa.h (TARGET_HPUX_11): New.
3172         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3173         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3175 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
3176         Richard Guenther  <rguenther@suse.de>
3178         * tree-ssa-structalias.c (solve_graph): Handle case
3179         we merged the variable to another.
3181 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3183         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3184         functions.
3186         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3187         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3189 2007-01-25  DJ Delorie  <dj@redhat.com>
3191         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3192         allow changes to modes which don't fit in those registers.
3194         * reload1.c (choose_reload_regs): Check for invalid subregs before
3195         computing their locations, not after.
3197 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
3199         PR 25127
3200         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3201         save Altivec registers in an eh_return function.
3202         (compute_vrsave_mask): Likewise.
3203         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3204         for saving Altivec registers.
3205         (rs6000_emit_prologue): Don't allocate stack twice in
3206         eh_return function.  Correct expected value of altivec_save_offset
3207         when using save_world.  Describe save of R0 to stack when using
3208         save_world.  Describe stack pointer adjustment when using
3209         save_world.  Remove duplicated eh_return parameter register saving.
3210         Update sp_offset variable after save_world.
3211         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3212         darwin-world.asm.
3213         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3214         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3215         implies Altivec.
3217 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3219         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3221 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3223         PR other/30182
3224         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3225         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
3227 2007-01-25  Richard Guenther  <rguenther@suse.de>
3229         * doc/invoke.texi (-Wcoverage-mismatch): Document.
3230         * common.opt (-Wcoverage-mismatch): New warning option.
3231         * coverage.c (get_coverage_counts): Ignore coverage mismatch
3232         if -Wcoverage-mismatch is given.
3234 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
3236         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3237         (ipcp_driver): Change to static definition.
3238         Add dumping of the ifunctions.
3239         (constant_val_insert): Remove unused parameter. Support for SSA.
3240         (ipcp_propagate_const): Support for SSA.
3241         (ipcp_profile_bb_print): Print only analyzed nodes.
3242         (ipcp_replace_map_create): Remove support for Fortran constant
3243         for now.
3244         * ipa-prop.c (ipa_method_modify_stmt,
3245         ipa_callsite_compute_param): Support for SSA.
3246         * ipa-prop.h (ipcp_driver): Remove declaration.
3247         (IS_VALID_TREE_MAP_INDEX): Add define.
3249 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
3251         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3253 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3255         PR middle-end/30447
3256         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3257         constant argument to cabs and do it without checking for
3258         -funsafe-math-optimizations.
3260 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
3262         * c-common.h (RID_FIRST_CXX0X): New.
3263         (RID_LAST_CXX0X): New.
3264         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3265         by -Wall.
3266         * c.opt (Wc++0x-compat): New.
3267         * doc/invoke.texi (-Wc++0x-compat): Document.
3269 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3271         * builtins.c (fold_builtin_carg): New.
3272         (fold_builtin_1): Use it.
3274 2007-01-24  Jan Hubicka  <jh@suse.cz>
3276         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3278         * ipa-inline.c (initial_insns, max_insns): Delete.
3279         (compute_max_insns): New function.
3280         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3281         of insns as base for code growth.
3282         (cgraph_decide_inlining): Make initial_insns local; do not compute
3283         max_insns.
3284         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3285         * doc/invoke.texi (inline-unit-growth): Update docs.
3287 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
3289         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3290         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3291         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3292         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
3293         for CPUs that have PTA_CX16 set.
3295         PR middle-end/27416
3296         * gimplify.c (omp_check_private): New function.
3297         (gimplify_scan_omp_clauses): Use it for
3298         firstprivate/lastprivate/reduction.
3300         PR middle-end/30494
3301         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3302         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3304         PR middle-end/30421
3305         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3306         If lower_lastprivate_clauses emits some statements, append them
3307         to dlist rather than body_p and to body_p append an initializer.
3308         (lower_omp_for): Adjust caller.
3310 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
3312         * target.h (globalize_decl_name): New.
3313         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3314         * output.h (default_globalize_decl_name): New.
3315         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
3316         globalize_label.
3317         (globalize_decl): Ditto.
3318         (default_globalize_decl_name): New.
3319         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
3320         (ia64_handle_version_id_attribute): New.
3321         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3322         (ia64_asm_output_external): Use globalize_decl_name instead
3323         of globalize_label.
3324         * doc/extend.texi (version_id): New pragma.
3325         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
3327 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3329         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
3330         _uleb128_t and _Unwind_SWord with _sleb128_t.
3331         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
3332         uw_frame_state_for, uw_update_context_1): Likewise.
3333         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
3334         * unwind-pe.h (read_uleb128, read_sleb128,
3335         read_encoded_value_with_base): Likewise.
3336         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
3338 2007-01-24  Richard Guenther  <rguenther@suse.de>
3340         * builtins.c (expand_builtin_cexpi): Get the fndecl
3341         for cexp in the correct way.
3343 2007-01-24  Jan Hubicka  <jh@suse.cz>
3345         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
3347 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3349         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
3350         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
3351         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
3352         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
3353         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
3354         __SIZEOF_PTRDIFF_T__.
3355         * doc/cpp.texi: Documentation for the new builtin macros added.
3357 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
3359         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
3360         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
3361         instead of operands[2] to avoid access past the end of array.
3363 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
3365         * reload1.c (emit_reload_insns): Pass the reload register
3366         for a non-spill output reload through forget_old_reloads_1.
3368 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
3370         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3371         _SOFT_DOUBLE if doubles use software floating-point.
3372         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
3373         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3374         * config/rs6000/darwin-ldouble.c: Also compile functions for
3375         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
3376         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3377         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
3378         commented-out long double override.
3379         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
3380         * config/rs6000/eabispe.h: Likewise.
3381         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
3382         long double for non-SPE.
3383         (rs6000_handle_option): Likewise.
3384         (invalid_e500_subreg): Disallow more subregs involding DImode,
3385         DFmode, TImode or TFmode.
3386         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
3387         E500 double.
3388         (legitimate_lo_sum_address_p): Also check for TFmode for E500
3389         double.
3390         (rs6000_legitimize_address): Also handle TFmode for E500 double.
3391         (rs6000_legitimize_reload_address): Also handle TFmode for E500
3392         double.
3393         (rs6000_legitimate_address): Also check for TFmode for E500
3394         double.
3395         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
3396         (spe_build_register_parallel): Handle TFmode and TCmode.
3397         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
3398         double.
3399         (function_arg): Handle TFmode and TCmode for E500 double.
3400         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
3401         in general.
3402         (print_operand): Handle TFmode and TImode for %y.
3403         (rs6000_generate_compare): Handle TFmode comparisons for E500
3404         double.
3405         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
3406         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
3407         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
3408         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
3409         TFmode for E500 double.
3410         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
3411         (floatsidf2): Enable for E500 double.
3412         (movtf_softfloat): Use rs6000_nonimmediate_operand.
3413         (extenddftf2): Change to extenddftf2_fprs.
3414         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
3415         depending on TARGET_E500_DOUBLE.
3416         (extendsftf2): Enable for E500 double.
3417         (trunctfdf2): Enable for E500 double.
3418         (trunctfsf2): Change to trunctfsf2_fprs.
3419         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
3420         depending on TARGET_E500_DOUBLE.
3421         (floatsitf2): Enable for E500 double.
3422         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
3423         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
3424         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
3425         (negtf2): Change to negtf2_internal.
3426         (negtf2): New expander.
3427         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
3428         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
3429         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
3430         (movdi_internal32): Use rs6000_nonimmediate_operand.
3431         (unnamed splitter): Likewise.
3432         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
3433         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
3434         (SPE64TF, DITI): New mode macros.
3435         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
3436         modes.
3437         (frob_tf_ti): New.
3438         (frob_<mode>_di_2): New.
3439         (frob_tf_di_8_2): New.
3440         (frob_di_df): Change to frob_di_<mode>; allow more modes.
3441         (frob_ti_tf): New.
3442         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
3443         more modes.
3444         (frob_ti_<mode>_8_2): New.
3445         (frob_ti_tf_2): New.
3446         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
3447         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
3448         TFmode.
3449         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
3450         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
3451         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
3452         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
3453         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
3454         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
3455         tsttflt_gp): New.
3457 2007-01-23  Ian Lance Taylor  <iant@google.com>
3459         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
3460         insn-*.o first.
3461         (OBJS-archive): Reformat, alphabetize.
3462         (OBJS): Change out_object_file to OBJS-md.
3464 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
3466         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
3467         JUMP_P and CALL_P predicates where applicable.
3468         * config/i386/i386.c: Ditto.
3469         * config/i386/i386.md: Ditto.
3470         * config/i386/mmx.md: Ditto.
3471         * config/i386/predicates.md: Ditto.
3473 2007-01-22  Andreas Schwab  <schwab@suse.de>
3475         * config/m68k/m68k.h: Fix comment.
3477 2007-01-22  Jan Hubicka  <jh@suse.cz>
3479         * passes.c (init_optimization_passes): Do not rerun
3480         pass_early_warn_uninitialized.
3482 2007-01-22  Richard Guenther  <rguenther@suse.de>
3484         PR tree-optimization/30038
3485         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
3486         function.
3487         (execute_cse_sincos_1): Likewise.
3488         (execute_cse_sincos): Likewise.
3489         (gate_cse_sincos): Likewise.
3490         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
3491         the cexpi() canonicalization of sincos().
3492         * tree-pass.h (pass_cse_sincos): Declare.
3493         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
3495 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3497         PR rtl-optimization/29329
3498         * combine.c (replaced_rhs_insn): Rename to i2mod.
3499         (replaced_rhs_value): Rename to i2mod_new_rhs.
3500         (i2mod_old_rhs): New global variable.
3501         (combine_instructions): Adjust for above change.  Save a copy of
3502         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
3503         note are substituted in the second instruction.
3504         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
3505         ditch the note if it pertains to the second eliminated register
3506         and this register is mentioned in i2mod_old_rhs.
3508         Revert:
3509         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
3511         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3512         the insn to which the note was originally attached.
3514 2007-01-21  Jan Hubicka  <jh@suse.cz>
3516         * ipa-inline.c (inlining_mode): Comment, move up.
3517         (cgraph_decide_inlining_incrementally): Do not perform inlining
3518         itself; fix handling of flattening of self recursive functions.
3519         (cgraph_find_cycles): Remove.
3520         (cgraph_flatten_node): Remove.
3521         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
3522         (try_inline): New function.
3523         (cgraph_early_inlining): Update call of
3524         cgraph_decide_inlining_incrementally.  Apply inlining here.
3525         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
3527 2007-01-21  Dirk Mueller  <dmueller@suse.de>
3529         PR bootstrap/30511
3530         * tree-vrp.c (check_array_bounds): do not warn
3531         about ADDR_EXPR's of ARRAY_REF's which are immediately
3532         used in binary expressions.
3534 2007-01-21  Ira Rosen  <irar@il.ibm.com>
3536         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
3537         read_write_dep and macros for its access.
3538         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
3539         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
3540         argument, call vect_check_interleaving for every independent pair of
3541         data-refs. Mark loads that access the same memory location as a store
3542         in the loop.
3543         (vect_check_dependences): Remove.
3544         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
3545         call, fix the call to vect_analyze_data_ref_dependence.
3546         (vect_analyze_data_ref_access): For statements that access the same
3547         data-ref, check that they are not stores; for loads, check that there
3548         is no store that access the same location.
3550 2007-01-20  Roger Sayle  <roger@eyesopen.com>
3551             Joseph Myers  <joseph@codesourcery.com>
3553         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
3554         (-fdump-rtl-stack): Likewise.
3555         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
3556         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
3557         (-mpt-fixed): Use @minus{} for minus sign.
3558         (Using Precompiled Headers): Fix under/overfull hbox.
3560 2007-01-20  Jan Hubicka  <jh@suse.cz>
3562         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
3563         place within annotation.
3565 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3567         * pa.c (output_move_double): Change array size of xoperands to 4.
3569 2007-01-20  Jan Hubicka  <jh@suse.cz>
3571         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
3572         as temporary.
3574 2007-01-19  Ian Lance Taylor  <iant@google.com>
3576         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
3577         constant to unsigned HOST_WIDE_INT before negating.
3579 2007-01-19  Ian Lance Taylor  <iant@google.com>
3581         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
3582         to unsigned.
3583         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
3584         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3585         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
3586         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
3587         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3588         (realloc_vdef, realloc_vuse): Change second parameter to
3589         unsigned.
3590         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
3591         fields to unsigned.
3592         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
3593         unsigned. Change x and lim locals to unsigned.
3594         (realloc_vdef, realloc_vuse): Change num_elem parameter to
3595         unsigned.
3596         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
3597         (copy_virtual_operands): Change i and n locals to unsigned.
3599 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3601         PR middle-end/29335
3602         * builtins.c (fold_builtin_1): Handle builtin fdim.
3604 2007-01-20  Jan Hubicka  <jh@suse.cz>
3606         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
3607         * tree-ssa-structalias.c (compute_points_to_sets): Do call
3608         init_alias_heapvars.
3609         (init_alias_heapvars): Initialize only when not already initialized.
3610         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
3612 2007-01-19  Roger Sayle  <roger@eyesopen.com>
3614         * common.opt (fsigned-zeros): New command line option.
3615         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
3616         of flag_unsafe_math_optimizations.
3617         * opts.c (set_fast_math_flags): The -ffast-math command line option
3618         implies -fno-signed-zeros.
3619         (fast_math_flags_set_p): Likewise.
3621         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
3622         the documentation of -ffast-math appropriately.  Wrap long lines.
3624 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
3626         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
3627         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
3629 2007-01-19  Tomas Bily  <tbily@suse.cz>
3631         * cgraphunit.c (cgraph_finalize_function): Updating of pid
3632         * tree-profile.c:
3633         (tree_init_ic_make_global_vars): New function
3634         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
3635         (tree_gen_ic_profiler): New function
3636         (tree_gen_ic_func_profiler): New function
3637         (tree_profiling): Added calling of tree_gen_ic_func_profiler
3638         (tree_profile_hooks): Added hook for indirec/virtual calls
3639         * value-prof.c (tree_find_values_to_profile): New case for
3640         indirect calls
3641         (tree_values_to_profile): Call for determining indirect/virtual
3642         counters
3643         (tree_indirect_call_to_profile): New function
3644         (tree_ic_transform): New function
3645         (tree_ic): New function
3646         (find_func_by_pid): New function
3647         (init_pid_map): New function
3648         (tree_value_profile_transformations): Added check for
3649         indirect/virtual call transformation
3650         * value-prof.h (enum hist_type): New counter type for
3651         indirect/virtual calls
3652         (profile_hooks): Added new hook for profiling indirect/virtual
3653         calls
3654         * profile.c (instrument_values): New case for indirect/virtual
3655         call added
3656         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
3657         (GCOV_COUNTER_V_INDIR): New counter type
3658         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
3659         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
3660         call added
3661         * cgraph.c: Definition of cgraph_max_pid
3662         (cgraph_create_node): Default init of pid attribute
3663         * cgraph.h: Declaration of cgraph_max_pid
3664         (struct cgraph_node): Added pid attribute
3665         * libgcov.c (__gcov_indirect_call_profiler): New function
3666         (__gcov_one_value_profiler_body): New function
3667         (__gcov_one_value_profiler): Body was moved to
3668         __gcov_one_value_profiler_body and calls it
3670 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
3672         * doc/gty.texi (Options): Document the mark_hook option to GTY.
3673         * gengtype.c (write_types_data, write_func_for_structure,
3674         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
3675         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
3676         (walk_type, write_func_for_structure): Generate the mark_hook if
3677         needed.
3679 2007-01-19  Jan Hubicka  <jh@suse.cz>
3681         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
3682         'early' argument take inlining mode argument specifying whether to
3683         inline for size/speeed or all functions; add support for flattening;
3684         improve dumpting.
3685         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
3687 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3689         PR c++/17947
3690         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
3691         the name of the declared identifier.
3693 2007-01-19  Dirk Mueller  <dmueller@suse.de>
3695         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
3696         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
3697         duplicate evaluation.
3699 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
3701         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
3702         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
3703         to XFMode, use acosxf2 and truncate result to requested mode.
3704         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
3705         (asin<mode>2): Similarly, with asin expanders.
3706         (*fscalexf4_i387): Rename from *fscalexf4.
3707         (expNcorexf3): New expander.
3708         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
3709         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
3710         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
3711         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
3712         patterns for SSE math.
3713         (exp10<mode>2): Similarly, with exp10 expanders.
3714         (exp2<mode>2): Similarly, with exp2 expanders.
3715         (expm1<mode>2): Similarly, with expm1 expanders.
3716         (ldexp<mode>3): Similarly, with ldexp expanders.
3717         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
3718         Use gen_truncxf<mode>2_i387_noop to truncate result.
3720 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3722         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
3723         for ColdFire targets.
3725 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
3726             Richard Sandiford  <richard@codesourcery.com>
3728         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
3729         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
3730         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
3731         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
3732         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
3733         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
3735 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3737         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
3738         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
3739         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
3740         (*adddi_dilshr32_cf): New pattern.
3741         (adddi3, subdi3): Remove first alternatives.
3743 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3745         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
3746         implemented using move.l, do not use its cc result for floating-point
3747         comparisons.
3749 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3751         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
3752         from accepting 's' constraints if flag_pic.
3754 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3756         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
3757         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
3758         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
3759         condition from TARGET_68881 to TARGET_HARD_FLOAT.
3761 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
3763         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
3764         ColdFire alternatives.
3765         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
3766         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
3767         architectures that support ff1 instruction.
3769 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3770             Julian Brown  <julian@codesourcery.com>
3772         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
3773         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
3774         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
3775         Add commentary.
3777 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3779         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
3780         and return a bool.
3781         (output_move_const_into_data_reg, output_move_simode_const): Delete.
3782         * config/m68k/m68k.c (const_method, const_int_cost): Take a
3783         HOST_WIDE_INT instead of an rtx.
3784         (m68k_rtx_costs): Update call accordingly.
3785         (output_move_const_into_data_reg): Likewise.  Fix formatting.
3786         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
3787         Return a bool.
3788         (output_move_simode_const): Update calls after above changes.
3789         Rework to use automatic variables and predicates like MEM_P.
3790         * config/m68k/m68k.md (pushexthisi_const): Update call to
3791         valid_mov3q_const.
3793 2007-01-19  Dirk Mueller  <dmueller@suse.de>
3795         * tree-ssa-alias.c (perform_var_substitution): Fix typo
3796         in dump_flags test.
3798 2007-01-19  Richard Guenther  <rguenther@suse.de>
3800         * builtins.c (expand_builtin_cexpi): Fall back to expanding
3801         via cexp in case sincos is not available.
3803 2007-01-19  Richard Guenther  <rguenther@suse.de>
3805         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
3806         * defaults.h (TARGET_HAS_SINCOS): Default to off.
3807         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
3808         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
3809         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
3810         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
3811         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
3812         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
3814 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
3816         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
3817         New insn patterns.
3818         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
3819         (atan2xf3): Directly generate RTL pattern.
3820         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
3821         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
3822         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
3823         disable patterns for SSE math.
3824         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
3825         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
3826         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
3827         disable patterns for SSE math.
3829 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
3831         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
3833 2007-01-18  Roger Sayle  <roger@eyesopen.com>
3835         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
3836         VIEW_CONVERT_EXPR to the same type as it's operand.
3838 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
3840         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
3841         configured for long double 128.
3843 2007-01-18  Mike Stump  <mrs@apple.com>
3845         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
3846         error.
3848 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
3850         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
3851         type correct.
3853 2007-01-18  Jan Hubicka  <jh@suse.cz>
3855         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
3856         greater than NUM_VOP_FREE_BUCKETS.
3858 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
3860         * tree-ssa-structalias.c: Update comments.
3861         (ptabitmap_obstack): Removed.
3862         (pta_obstack): New.
3863         (oldpta_obstack): Ditto.
3864         (stats): Add a few members.
3865         (struct variable_info): Remove node, complex, address_taken, and
3866         indirect_target members. Add oldsolution member.
3867         (new_var_info): Do not initialize removed members.
3868         (constraint_expr_type): Remove INCLUDES.
3869         (constraint_graph): Add size, implicit_preds, rep,
3870         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
3871         (FIRST_REF_NODE): New macro.
3872         (LAST_REF_NODE): Ditto.
3873         (FIRST_ADDR_NODE): Ditto.
3874         (find): New function.
3875         (unite): Ditto.
3876         (dump_constraint): Do not handle INCLUDES.
3877         (insert_into_complex): Do not insert duplicate constraints.
3878         (condense_varmap_nodes): Renamed and rewritten into ...
3879         (merge_node_constraints): This. Also fix bug in handling of
3880         offseted copy constraints.
3881         (clear_edges_for_node): No longer need to deal with preds at all,
3882         or removing associated preds/succs.
3883         (merge_graph_nodes): Deal with indirect_cycles.
3884         Don't deal with predecessors.
3885         (add_implicit_graph_edge): New function.
3886         (add_pred_graph_edge): Ditto.
3887         (add_graph_edge): Don't deal with predecessors.
3888         (build_constraint_graph): Removed.
3889         (build_pred_graph): New function.
3890         (build_succ_graph): Ditto.
3891         (struct scc_info): Removed in_component. Added roots, dfs, and
3892         node_mapping. Remove visited_index, unification_queue.
3893         (scc_visit): Deal with union-find we do now.
3894         Deal with cycles with REF nodes.
3895         (collapse_nodes): Renamed and rewritten to ...
3896         (unify_nodes): This.
3897         (process_unification_queue): Removed.
3898         (topo_visit): Cleanup
3899         (do_da_constraint): Use find.
3900         (do_sd_constraint): Ditto.
3901         (do_ds_constraint): Ditto.
3902         (do_complex_constraint): Ditto.
3903         (init_scc_info): Update for removed and added members.
3904         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
3905         (find_indirect_cycles): This.
3906         (equivalence_class): New variable.
3907         (label_visit): New function.
3908         (perform_variable_substitution): Rewritten.
3909         (free_var_substitution_info): New function.
3910         (find_equivalent_node): Ditto.
3911         (move_complex_constraints): Ditto.
3912         (eliminate_indirect_cycles): Ditto.
3913         (solve_graph): Only propagate changed bits.
3914         Use indirect cycle elimination.
3915         Use find.
3916         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
3917         (tree_id_eq): Renamed to ...
3918         (tree_vi_eq): This. Update for member change
3919         (insert_id_for_tree): Renamed and rewritten to ...
3920         (insert_vi_for_tree): This.
3921         (lookup_id_for_tree): Renamed and rewritten to ...
3922         (lookup_vi_for_tree): This.
3923         (get_id_for_tree): Renamed and rewritten to ...
3924         (get_vi_for_tree): Ditto.
3925         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
3926         (process_constraint): Don't handle INCLUDES.
3927         Remove special ADDRESSOF case.
3928         (find_func_aliases): Rewrite to use vi functions instead of id
3929         ones.
3930         (create_function_info_for): Ditto.
3931         (create_variable_info_for): Ditto.
3932         (intra_create_variable_infos): Ditto.
3933         (merge_smts_into): Ditto.
3934         (find_what_p_points_to): Ditto.
3935         (init_base_vars): Ditto.
3936         (init_alias_vars): Ditto.
3937         (remove_preds_and_fake_succs): New function.
3938         (dump_sa_points_to_info): Dump new stats.
3939         (dump_solution_for_var): Use find.
3940         (set_used_smts): Fix formatting.
3941         (compute_points_to_sets): Updated for new functions.
3942         (ipa_pta_execute): Ditto.
3944 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
3945             Richard Sandiford  <richard@codesourcery.com>
3947         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
3948         parallels.
3949         * calls.c (expand_call): If the return value is a PARALLEL,
3950         extract its first member.
3951         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
3952         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
3953         use FUNCTION_EXTRA_EPILOGUE.
3954         (m68k_function_value): Return a PARALLEL if the return value
3955         is of a pointer type.
3956         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
3957         (FUNCTION_EXTRA_EPILOGUE): Remove.
3958         * config/m68k/m68k.md (D0_REG): New constant.
3960 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
3962         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
3963         output a NOP for empty epilogues.
3965 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3967         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
3968         before function.  Extend register save check to include all
3969         registers, not just integer ones.
3971 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
3973         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
3974         (m68k_use_return_insn): ...this.
3975         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
3976         * config/m68k/m68k.c (use_return_insn): Rename to...
3977         (m68k_use_return_insn): ...this.
3978         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
3979         of USE_RETURN_INSN.
3981 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
3983         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
3984         nearest even, fix denormal rounding overflow.
3986 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3988         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
3989         f%$smove and f%$move.
3990         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
3991         (extendsfdf2_cf): Use fdmove instead of f%&move.
3992         (truncdfsf2_cf): Use fsmove instead of f%$smove.
3993         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
3995 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3997         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
3998         GPR<-GPR moves.
4000 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4002         * real.h (real_format): Add a canonical_nan_lsbs_set field.
4003         (coldfire_single_format): Declare.
4004         (coldfire_double_format): Likewise.
4005         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
4006         of qnan_msb_set to determine the lower bits of a canonical
4007         NaN significand.
4008         (encode_ieee_double): Likewise.
4009         (encode_ieee_quad): Likewise.
4010         (ieee_single_format): Initialize canonical_nan_lsbs_set.
4011         (mips_single_format): Likewise.
4012         (ieee_double_format): Likewise.
4013         (mips_double_format): Likewise.
4014         (ieee_extended_motorola_format): Likewise.
4015         (ieee_extended_intel_96_format): Likewise.
4016         (ieee_extended_intel_128_format): Likewise.
4017         (ieee_extended_intel_96_round_53_format): Likewise.
4018         (ibm_extended_format): Likewise.
4019         (mips_extended_format): Likewise.
4020         (ieee_quad_format): Likewise.
4021         (mips_quad_format): Likewise.
4022         (vax_f_format): Likewise.
4023         (vax_d_format): Likewise.
4024         (vax_g_format): Likewise.
4025         (i370_single_format): Likewise.
4026         (i370_double_format): Likewise.
4027         (decimal_single_format): Likewise.
4028         (decimal_double_format): Likewise.
4029         (decimal_quad_format): Likewise.
4030         (c4x_single_format): Likewise.
4031         (c4x_extended_format): Likewise.
4032         (real_internal_format): Likewise.
4033         (coldfire_single_format): New real_format.
4034         (coldfire_double_format): Likewise.
4035         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
4036         canonical_nan_lsbs_set.
4037         (pdp11_d_format): Likewise.
4038         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4039         if TARGET_COLDFIRE_CPU.
4041 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4043         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4044         (output_call, m68k_legitimize_call_address): Declare.
4045         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4046         parenthesees.  Add support for a 'W' constraint.
4047         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4048         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4049         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4050         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4051         variables.
4052         (override_options): Initialize them.  Do not set flag_no_function_cse
4053         for TARGET_ID_SHARED_LIBRARY.
4054         (m68k_output_pic_call): Delete.
4055         (m68k_legitimize_call_address): New function.
4056         (print_operand): Remove the %o prefix.  Handle the %p prefix.
4057         (output_call): New function.
4058         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
4059         target address from the GOT if symbolic jumps are not allowed.
4060         * config/m68k/m68k.md (call, general_operand): Do not set
4061         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
4062         Merge separate flag_pic and !flag_pic define_insns into...
4063         (*call, *call_value): ...these new patterns.  Match the address
4064         rather than the containing MEM and require it to be a call_operand.
4065         Use output_call to generate the asm template.
4066         * config/m68k/predicates.md (const_call_operand): New predicate.
4067         (call_operand): Likewise.
4069 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4071         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4072         (STACK_GROWS_DOWNWARD): Define to 1.
4073         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4074         comments, emphasizing that these values are only defaults.
4075         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4076         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4078 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4080         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4082 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4083             Richard Sandiford  <richard@codesourcery.com>
4085         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4086         (FP_REGNO_P): New macros.
4087         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4088         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4089         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4090         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4092 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4094         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4095         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4096         to $tmake_file.
4097         * config/m68k/t-floatlib: New file, extracting common code from...
4098         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4099         * config/m68k/t-uclinux: Here.
4100         * config/m68k/fpgnulib.c: Do not compile extendeed precision
4101         routines on ColdFire targets.
4103 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4105         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4106         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4107         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4108         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4109         explicitly set MOTOROLA to 1.
4110         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4112 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4113             Nathan Sidwell  <nathan@codesourcery.com>
4115         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4116         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4117         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4118         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4119         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4120         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4121         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4122         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4123         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4124         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4125         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4126         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4127         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4128         (DBX_REGISTER_NUMBER): Delete.
4129         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4130         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4131         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4133 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4135         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4136         * config/flat.h: New file.
4137         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4138         OBJECT_FORMAT_FLAT.
4139         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4140         indirect references for -msep-data or -mid-shared-library.
4141         Do not use PC-relative code addresses either.
4142         * config/m68k/m68k.c (override_options): Restrict -fPIC error
4143         to -mpcrel.
4144         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
4145         for shared libraries and crt1.o for executables.  Use crti.o and
4146         crtbegin.o.
4147         (ENDFILE_SPEC): Use crtend.o and crtn.o.
4148         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4149         Do not add -elf2flt or -shared-lib-id options here.
4150         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
4151         Pass -shared-lib-id if -mid-shared-library, taking the library
4152         identifier from -mshared-library-id if given, otherwise
4153         defaulting to 0.
4154         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4155         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4156         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4157         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4158         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4159         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4160         and crtend.o.
4161         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4162         jump sequence for ISA A and ISA A+.
4163         (PICJUMP): Likewise.
4165 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4167         * config.gcc (m68k-*-uclinux*): Base the port on the common
4168         and m68k GNU/Linux files rather than on the generic ELF ones.
4169         * config/m68k/uclinux.h (TARGET_VERSION): Override.
4170         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4172 2007-01-18  Julian Brown  <julian@codesourcery.com>
4173             Richard Sandiford  <richard@codesourcery.com>
4175         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4176         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4177         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4178         before redefining.
4179         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4180         80 unconditionally.
4181         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4183 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4185         * doc/install.texi: Document m68k-uclinuxoldabi.
4186         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
4187         * config/m68k/uclinux-oldabi.h: New file, copied from
4188         config/m68k/uclinux.h.
4190 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
4192         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
4193         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
4194         (m32r_compute_frame_size): Use unsigned for regno.
4195         (m32r_reload_lr): Use gen_frame_mem.
4196         (pop): New.
4197         (m32r_output_function_epilogue): Don't output the function epilogue
4198         textually here.
4199         (m32r_expand_epilogue): New.
4200         (direct_return): Return false if the function has the interrupt
4201         attribute.
4202         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
4203         * config/m32r/m32r.md (epilogue): New expander.
4204         (return_lr, return_rte): New insns.
4205         (return): Make it expander.
4206         (return_normal): New expander.
4208 2007-01-18  Josh Conner  <jconner@apple.com>
4210         PR target/30485
4211         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
4212         support for UNLE, UNLT, UNGE, and UNGT.
4214 2007-01-18  Jan Hubicka  <jh@suse.cz>
4216         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
4217         * tree-tailcall (add_virtual_phis): Likewise.
4218         (optimize_tail_call): Return TODOs.
4219         (execute_tail_calls): Return TODOs.
4220         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
4221         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
4222         changed.
4223         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4224         Cleanup cfg using TODO.
4225         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
4226         * passes.c (execute_function_todo): When cleanup did something, remove
4227         unused locals.
4228         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
4229         (make_edges): Don't cleanup_cfg.
4231 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
4233         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
4234         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
4235         operate on the top of stack.
4236         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
4237         register handling of instructions that output to the second
4238         stack slot.
4239         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
4240         (move_for_stack_reg): Special-case check for dead destination
4241         stack slot for constant load of 1.0 inside UNSPEC_TAN.
4243         * config/i386/i386.md (UNSPEC_TAN): New constant.
4244         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
4245         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
4246         to correctly model move of constant 1.0 to top stack slot.
4247         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
4248         (unnamed peephole2 pattern): Remove corresponding peephole2
4249         pattern that optimizes tan insn and loading of constant 1.0.
4250         (tanxf2): Use fptanxf4_i387.
4251         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
4252         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
4253         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4254         disable patterns for SSE math.
4255         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
4256         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
4258 2007-01-18  Dirk Mueller  <dmueller@suse.de>
4259             Richard Guenther <rguenther@suse.de>
4261         PR diagnostic/8268
4262         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
4263         * common.opt (Warray-bounds): Add new warning option.
4264         * c-opts.c (c_common_handle_option): Define -Warray-bounds
4265         if -Wall is given.
4266         * Makefile.in: make tree-vrp.o depend on toplev.h
4267         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
4268         is enabled.
4269         (check_array_refs, check_array_bounds, check_array_ref): New.
4271 2007-01-18  Jan Hubicka  <jh@suse.cz>
4273         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
4274         (execute_ssa_ccp): Return flags conditionally.
4275         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
4276         changed.
4277         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
4279 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
4281         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
4282         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
4284         * Makefile.c (GTFILES): Add cfglayout.h.
4285         * gengtype.c (open_base_files): Likewise.
4286         * cfglayout.c (cfg_layout_function_footer,
4287         cfg_layout_function_header) Reindent to make gengtype happy.
4288         * cfglayout.h (cfg_layout_function_footer,
4289         cfg_layout_function_header): Add GTY(()) marker.
4291         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
4293 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4295         * genautomata.c (write_automata): Include xstrerror output in the
4296         error message if writing the DFA description file fails.
4298 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
4300         * config/mips/mips-protos.h (mips_output_external): Make it
4301         return void.
4302         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
4303         * config/mips/mips.c (irix_output_external_libcall): Likewise.
4304         (extern_list): Likewise.
4305         (extern_head): Likewise.
4306         (TARGET_ASM_FILE_END): Likewise.
4307         (mips_file_end): Likewise.
4308         (mips_output_external): Rewritten.
4310 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4312         * genpreds.c (write_insn_preds_c): Only write out the function
4313         body for regclass_for_constraint if we have register constraints.
4315 2007-01-17  Tom Tromey  <tromey@redhat.com>
4317         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
4318         * doc/install.texi (Testing): Use sourceware.org.
4319         (Binaries): Likewise.
4320         (Specific): Likewise.
4321         * doc/contrib.texi (Contributors): Use sourceware.org.
4323 2007-01-17  Anatoly Sokolov <aesok@post.ru>
4325         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
4326         (AVR_ENHANCED): Rename to ...
4327         (AVR_HAVE_MUL): ... new.
4328         (avr_enhanced_p): Rename to ...
4329         (avr_have_mul_p): ... new.
4330         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
4331         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
4332         * config/avr/avr.c (avr_enhanced_p): Rename to ...
4333         (avr_have_mul_p): ... new.
4334         (base_arch_s): Rename 'enhanced' to 'have_mul'.
4335         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
4336         'avr_enhanced_p' and 'enhanced'.
4337         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
4338         AVR_HAVE_MUL instead of AVR_ENHANCED.
4339         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4340         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
4341         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
4342         instead of AVR_ENHANCED.
4343         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4344         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
4345         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
4347 2007-01-17  Ian Lance Taylor  <iant@google.com>
4349         * vec.h (VEC_reserve_exact): Define.
4350         (vec_gc_p_reserve_exact): Declare.
4351         (vec_gc_o_reserve_exact): Declare.
4352         (vec_heap_p_reserve_exact): Declare.
4353         (vec_heap_o_reserve_exact): Declare.
4354         (VEC_OP (T,A,reserve_exact)): New static inline function, three
4355         versions.
4356         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
4357         negative parameter.
4358         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
4359         (VEC_OP (T,A,copy)) [all versions]: Likewise.
4360         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
4361         * vec.c (calculate_allocation): Add exact parameter.  Change all
4362         callers.
4363         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
4364         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
4365         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
4366         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
4367         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
4368         (vec_heap_p_reserve_exact): New function.
4369         (vec_heap_o_reserve_exact): New function.
4371 2007-01-17  Jan Hubicka  <jh@suse.cz>
4373         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
4375 2007-01-17  Eric Christopher  <echristo@apple.com>
4377         * config.gcc: Support core2 processor.
4379 2007-01-16  Jan Hubicka  <jh@suse.cz>
4381         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
4382         the names, just unlink the chain so we don't crash on dangling pointers
4383         to dead SSA names.
4385 2007-01-16  Jan Hubicka  <jh@suse.cz>
4387         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
4388         * tree-pass.h: Reorder to make IPA passes appear toegher.
4389         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
4390         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
4391         parameters, do not call early inliner.
4392         * ipa-inline.c: Update comments.  Include tree-flow.h
4393         (cgraph_decide_inlining): Do not compute inlining parameters.
4394         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
4395         be called with function context set up.
4396         (pass_ipa_inline): Remove unreachable functions before pass.
4397         (cgraph_early_inlining): Simplify assuming to be called from the
4398         PM as local pass.
4399         (pass_early_inline): New pass.
4400         (cgraph_gate_ipa_early_inlining): New gate.
4401         (pass_ipa_early_inline): Turn into simple wrapper.
4402         (compute_inline_parameters): New function.
4403         (gate_inline_passes): New gate.
4404         (pass_inline_parameters): New pass.
4405         (apply_inline): Move here from tree-optimize.c
4406         (pass_apply_inline): New pass.
4407         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
4408         transforming.
4409         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
4410         doing them by hand.
4411         (tree_function_versioning): Do not allocate dummy struct function.
4412         * tree-inline.h (optimize_inline_calls): Update prototype.
4413         * tree-optimize.c (execute_fixup_cfg): Export.
4414         (pass_fixup_cfg): Remove
4415         (tree_rest_of_compilation): Do not apply inlines.
4416         * tree-flow.h (execute_fixup_cfg): Declare.
4417         * Makefile.in (gt-passes.c): New.
4418         * passes.c: Include gt-passes.h
4419         (init_optimization_passes): New passes.
4420         (nnodes, order): New static vars.
4421         (do_per_function_toporder): New function.
4422         (execute_one_pass): Dump current pass here.
4423         (execute_ipa_pass_list): Don't dump current pass here.
4425 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
4427         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
4428         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
4430 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
4432         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
4433         (strong_alias): Define.
4434         (__gcc_qmul): Provide non-FMA for soft-float.
4435         (__gcc_qdiv): Same.
4436         (__gcc_qneg): New.
4437         (__gcc_qeq): New.
4438         (__gcc_qle): New.
4439         (__gcc_qge): New.
4440         (__gcc_qunord): New.
4441         (__gcc_stoq): New.
4442         (__gcc_dtoq): New.
4443         (__gcc_qtos): New.
4444         (__gcc_qtod): New.
4445         (__gcc_qtoi): New.
4446         (__gcc_qtou): New.
4447         (__gcc_itoq): New.
4448         (__gcc_utoq): New.
4449         (fmsub): New.
4450         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
4451         soft-float functions.
4452         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
4453         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
4454         about long double soft float.
4456 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
4457             Tehila Meyzels  <tehila@il.ibm.com>
4459         * tree-vectorizer.h (is_pattern_stmt_p): New.
4460         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
4461         formatting (tabs instead of spaces). Cleanup and clarify setting
4462         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
4463         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
4464         (vectorizable_type_demotion): Check that types are integral.
4465         (vectorizable_type_promotion): Likewise.
4466         (vectorizable_store): Fix typo.  Eliminate new-line at end of
4467         comments.
4469 2007-01-16  Jan Hubicka  <jh@suse.cz>
4471         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
4472         cgraph edges too.
4474 2007-01-15  Eric Christopher  <echristo@apple.com>
4476         * ifcvt.c: Include vec.h, vecprim.h.
4477         (check_cond_move_block): New argument regs.
4478         Reorganize. Add registers used to regs.
4479         (cond_move_process_if_block): Use regs set above as
4480         loop bounds.
4482 2007-01-15  Eric Christopher  <echristo@apple.com>
4484         * config/darwin.h: Update copyright.
4485         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
4486         (LINK_COMMAND_SPEC): Add -u.
4487         (LINK_SPEC): Fix umbrella for above.
4489 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
4491         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
4492         glibc CVS.
4494 2007-01-15  Tom Tromey  <tromey@redhat.com>
4496         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
4497         * doc/install.texi (Testing): Don't mention jacks.
4498         (Configuration): Document --enable-java-maintainer-mode.  Move
4499         --with-java-home to libgcj-specific section.  Document
4500         --with-ecj-jar.
4501         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
4503 2007-01-15  Jan Hubicka  <jh@suse.cz>
4505         * tree-ssa-dce.c (DCE_TODOs): New.
4506         (propagate_necessity): Return if something changed.
4507         (eliminate_unnecessary_stmts): Likewise.
4508         (perform_tree_ssa_dce): Return TODO flags when needed.
4509         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
4511 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
4513         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
4514         (fyl2x_extend<mode>xf3_i387): New insn pattern.
4515         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
4516         patterns using X87MODEF12 mode macro.  Extend operand 1
4517         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4518         (log10<mode>2): Ditto.
4519         (log2<mode>2): Ditto.
4520         (log1p<mode>2): Ditto.
4521         (logb<mode>2): Ditto.
4522         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
4523         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
4524         (*fxtractxf3_i387): Rename from *fxtractxf3.
4525         (fxtract_extend<mode>xf3_i387): New insn pattern.
4526         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
4527         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
4528         and gen_fyl2xxf3_i387().
4530 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
4532         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
4533         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
4534         get_loop_exit_edges.  Changed return type to bool.
4535         * cfgloop.h (fix_loop_placement): Declaration removed.
4537 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
4539         * param.h (MIN_VECT_LOOP_BOUND): New.
4540         * params.def (MIN_VECT_LOOP_BOUND): New.
4541         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
4542         argument - minimum threshold for number of iterations.
4543         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
4544         argument to declaration.
4545         * tree-vect-analyze.c (vect_analyze_operations): Check value of
4546         MIN_VECT_LOOP_BOUND.
4547         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
4548         slpeel_tree_peel_loop_to_edge with additional argument.
4549         (vect_do_peeling_for_alignment): Likewise.
4550         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
4552 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
4554         PR target/30413
4555         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
4556         operands of size 1.
4558 2007-01-14  Jan Hubicka  <jh@suse.cz>
4560         * tree-dfa.c (remove_referenced_var): New function.
4561         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
4562         prune referenced vars list too.
4563         * tree-flow.h (remove_referenced_var): Declare.
4565 2007-01-14  Jan Hubicka  <jh@suse.cz>
4567         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
4568         separately.
4569         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
4570         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
4571         * except.h (verify_eh_throw_table_statements): Kill prototype.
4572         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
4573         into call exrepssions.
4574         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
4575         eh trhow verifier.
4576         * tree-cfg.c: Include pointer-set.h.
4577         (verify_node_sharing): Work on pointer set.
4578         (verify_eh_throw_stmt_node): New.
4579         (verify_stmts): Use pointers sets, verify throw_stmt.
4581 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
4583         * ipa-reference.c (analyze_function): Consider also addresses taken
4584         in phi nodes.
4586 2007-01-12  Roger Sayle  <roger@eyesopen.com>
4588         * c-typeck.c (null_pointer_constant_p): Replace use of
4589         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4590         (build_c_cast): Likewise.
4592 2007-01-12  Roger Sayle  <roger@eyesopen.com>
4594         * tree.h (force_fit_type_double): Remove unused final argument.
4595         * c-common.c (constant_expression_warning): Replace use of
4596         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4597         (convert_and_check): Likewise.
4598         (shorten_compare): Update call to force_fit_type_double.
4599         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
4600         * convert.c (convert_to_pointer): Update call to
4601         force_fit_type_double.
4602         * fold-const.c (force_fit_type_double): Remove overflowed_const
4603         argument.
4604         (int_const_binop, fold_convert_const_int_from_int,
4605         fold_convert_const_int_from_real, fold_div_compare,
4606         fold_sign_changed_comparison, fold_unary, fold_negate_const,
4607         fold_abs_const, fold_not_const): Remove the final argument from
4608         calls to force_fit_type_double.
4610 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4612         * configure.ac: Set insn to "nop" for spu-*-* also.
4613         * configure: Regenerate.
4615 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
4617         * builtins.def : Add BUILT_IN_FREE.
4619 2007-01-12  Jan Hubicka  <jh@suse.cz>
4621         PR tree-optimization/30443
4622         * tree-inline.c (tree_function_versioning): Do not optimize when
4623         cloning for inlining.
4625 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
4627         * doc/loop.texi: Document recording of loop exits.
4628         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
4629         (update_single_exits_after_duplication,
4630         update_single_exit_for_duplicated_loop,
4631         update_single_exit_for_duplicated_loops): Removed.
4632         (duplicate_loop_to_header_edge): Do not call
4633         update_single_exits_after_duplication and
4634         update_single_exit_for_duplicated_loops.
4635         (loop_version): Do not update single_exit information.
4636         (fix_loop_structure): Use record_loop_exits instead of
4637         mark_single_exit_loops.
4638         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
4639         the lists of loop exits.
4640         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
4641         split_edge, merge_blocks): Update the lists of loop exits.
4642         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
4643         loop_optimizer_init.
4644         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
4645         of mark_single_exit_loops.
4646         (loop_optimizer_finalize): Call release_recorded_exits.
4647         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
4648         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
4649         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
4650         update single exit information.
4651         * lambda-code.c (perfect_nestify): Ditto.
4652         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
4653         (mark_single_exit_loops): Removed.
4654         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
4655         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
4656         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
4657         functions.
4658         (get_loop_exit_edges, single_exit): Use recorded exit lists.
4659         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
4660         (verify_loop_structure): Verify consistency of the exit lists.
4661         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
4662         (set_single_exit): Removed.
4663         * cfgloop.h (struct loop_exit): New function.
4664         (struct loop): single_exit_ field replaced by exits field.
4665         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
4666         (struct loops): Added exits hash.
4667         (mark_single_exit_loops, set_single_exit): Declaration removed.
4668         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
4670 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4672         * doc/invoke.texi: Avoid use of @headitem.
4674 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4676         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
4678 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4680         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
4681         list of targets.
4683 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
4684             Richard Sandiford  <richard@codesourcery.com>
4686         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
4687         * config/m68k/m68k.opt: Resort options.
4688         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
4690 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
4691             Richard Sandiford  <richard@codesourcery.com>
4693         * doc/invoke.texi: Document the macros that are defined by
4694         m68k's -mtune and -mhard-float options.
4695         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
4696         (m68k_cpp_cpu_family): Likewise.
4697         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
4698         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
4699         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
4700         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
4701         (m68k_cpp_cpu_family): Likewise.
4703 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4705         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
4706         macros besides mc68000 as tuning macros.  Use a switch statement
4707         to set them and mcpu32.
4709 2007-01-12  Julian Brown  <julian@codesourcery.com>
4711         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
4712         (TARGET_68040_ONLY): Rename to...
4713         (TARGET_68040): ...this.
4714         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
4715         * config/m68k/m68k.md: Likewise.
4717 2007-01-12  Julian Brown  <julian@codesourcery.com>
4718             Nathan Sidwell  <nathan@codesourcery.com>
4719             Richard Sandiford  <richard@codesourcery.com>
4721         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
4722         the -mcpu= argument associated with the --with-cpu setting.
4723         Define M68K_DEFAULT_TUNE to the default -mtune= option,
4724         if different from the one implied by the -mcpu setting.
4725         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
4726         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
4727         * doc/invoke.texi: Mention ColdFire in the introduction to the
4728         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
4729         -mno-div and -mhard-float options.  Make -m68881 a synonym for
4730         -mhard-float.  Document the previously-undocumented -m5206e,
4731         -m528x, -m5307 and -m5407 options.  Tweak the existing option
4732         documentation for consistency.
4733         * doc/install.texi: Mention new --with-cpu arguments.
4734         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
4735         default CPU if neither -mcpu nor -march are specified.
4736         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
4737         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
4738         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
4739         using m68k_tune to decide between families that implement the
4740         same ISA.  Use m68k_tune to set __mcfv4e__.
4741         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
4742         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
4743         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
4744         (FL_ISA_C, FL_ISA_MMU): New macros.
4745         (MASK_COLDFIRE): Delete.
4746         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
4747         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
4748         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
4749         (TARGET_HARD_FLOAT): Do not define here.
4750         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
4751         (TUNE_68000): New macro.
4752         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
4753         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
4754         (TUNE_CFV2): Redefine in terms of m68k_tune.
4755         (uarch_type, target_device, fpu_type): New enums.
4756         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
4757         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
4758         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
4759         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
4760         (FL_FOR_isa_c): New macros.
4761         (m68k_isa): New enum.
4762         (m68k_target_selection): New structure.
4763         (all_devices, all_isas, all_microarchs): New tables.
4764         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
4765         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
4766         (MASK_ALL_CPU_BITS): Delete.
4767         (m68k_find_selection): New function.
4768         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
4769         Map the legacy target options to a combination of the new ones.
4770         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
4771         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
4772         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
4773         settings.
4774         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
4775         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
4776         properties.
4777         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
4778         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
4779         * config/m68k/m68k-devices.def: New file.
4781 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4782             Nathan Sidwell  <nathan@codesourcery.com>
4784         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
4785         (SUBTARGET_EXTRA_SPECS): New macros.
4786         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
4787         use %(asm_cpu_spec) instead.
4788         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
4789         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
4790         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
4791         (EXTRA_SPECS): Rename to...
4792         (SUBTARGET_EXTRA_SPECS): ...this.
4794 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
4795             Richard Sandiford  <richard@codesourcery.com>
4796             Julian Brown  <julian@codesourcery.com>
4798         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4799         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
4800         to the configuration's default CPU.
4801         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
4802         Remove default masks.
4803         (m680[012]0-*-*): Set the default with_cpu to the first part of
4804         the target name.
4805         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
4806         (m68k*-*-linux): Extend the --with-cpu handling to...
4807         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
4808         and m68010.  Don't set target_cpu_default2.
4809         * doc/install.texi: Document --with-cpu for m68k.
4810         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
4811         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
4812         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
4813         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
4814         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
4815         (ASM_SPEC): Remove use of %(asm_cpu_default).
4816         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
4817         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
4818         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
4819         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
4820         __HAVE_FPU__ if TARGET_HARD_FLOAT.
4821         (TARGET_DEFAULT): Delete.
4822         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
4823         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
4824         (CPP_CPU_SPEC): Delete.
4825         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
4826         the appropriate string.
4827         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
4828         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
4829         (ASM_SPEC): Don't use %(asm_default_spec).
4830         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4831         TARGET_DEFAULT and add MASK_68881.
4832         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
4834 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4836         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
4837         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
4838         MASK_68010 alongside MASK_68020.
4839         * doc/invoke.texi: Document -m68010.
4840         * config/m68k/m68k.opt (m68010): New.
4841         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
4842         if TUNE_68010.
4843         (TUNE_68010): New macro.
4844         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
4845         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
4846         (M68K_CPU_m68332): Add MASK_68010.
4847         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
4848         fallback definition.
4849         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
4850         defines.
4851         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
4852         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
4853         to all entries that use MASK_68020.
4854         (output_move_simode_const, output_move_himode, output_move_qimode)
4855         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
4856         instead of TARGET_68020 to select clr behavior.  Remove comment
4857         about there being no TARGET_68010.
4858         * config/m68k/m68k.md: Likewise throughout.
4860 2007-01-12  Julian Brown  <julian@codesourcery.com>
4862         * config/m68k/m68k.h (TARGET_ISAB): New macro.
4863         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
4864         * config/m68k/m68k.md: Likewise.
4866 2007-01-12  Julian Brown  <julian@codesourcery.com>
4868         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
4869         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
4871 2007-01-12  Julian Brown  <julian@codesourcery.com>
4873         * config/m68k/m68k.h (TUNE_68040_60): New macro.
4874         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
4875         * config/m68k/m68k.md: Likewise.
4877 2007-01-12  Julian Brown  <julian@codesourcery.com>
4878             Richard Sandiford  <richard@codesourcery.com>
4880         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
4881         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
4882         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
4883         TARGET_CPU32.
4884         (TARGET_CPU32): Rename to...
4885         (TUNE_CPU32): ...this.
4886         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
4887         (TUNE_CFV2): New macros.
4888         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
4889         remove conditions that are implied by TARGET_68020.
4890         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
4891         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
4892         (m68k_output_function_epilogue): Likewise.
4893         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
4894         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
4895         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
4896         non-68000 timings.  Refactor multiplication and division costs.
4897         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
4898         TUNE_CPU32 instead of TARGET_CPU32.
4899         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
4900         and TUNE_68060 instead of TARGET_68060.
4901         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
4902         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
4903         TARGET_CPU32.
4904         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
4905         && !TARGET_COLDFIRE" to choose between moveq and clr.
4906         Likewise in the unnamed movsf pattern.
4907         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
4908         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
4909         ashiftrt pattern.
4911 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4913         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
4914         of tabbing before backslashes.
4916 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4918         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
4919         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
4920         (ASM_OUTPUT_INTERNAL_LABEL): Define.
4922 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
4924         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
4925         find_interesting_uses_cond.
4926         (find_interesting_uses_cond): Use extract_cond_operands.
4927         (rewrite_use_compare): Use extract_cond_operands and
4928         force_gimple_operand_bsi.  Do not call update_stmt.
4929         (determine_use_iv_cost_condition): Use extract_cond_operands.
4930         Return cheaper of using original bound and changing the exit bound.
4932 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
4934         PR tree-optimization/29516
4935         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
4936         most_expensive_mult_to_index, addr_to_parts,
4937         create_mem_ref, maybe_fold_tmr): Make the type of
4938         fields of TARGET_MEM_REF sizetype.
4939         (move_fixed_address_to_symbol, move_pointer_to_base):
4940         New functions.
4941         * tree.def (TARGET_MEM_REF): Add comment on types of
4942         the operands.
4944 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
4946         * c-common.c (vector_types_convertible_p): Treat opaque types as
4947         always convertible if they have the same size, but not otherwise.
4949 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
4951         * ifcvt.c (struct noce_if_info): Add comments to the fields.
4952         Remove the b_unconditional field.
4953         (noce_try_sign_mask): Do not look at b_unconditional.
4954         (noce_process_if_block): Do not use merge_if_blocks.  Update
4955         the CFG here.  Do not set b_unconditional.
4956         (cond_move_process_if_block): Likewise.
4957         (find_cond_trap): Likewise.
4958         (check_cond_move_block): Require simple jump insns at the end
4959         of the basic block.
4961 2007-01-11  Jan Hubicka  <jh@suse.cz>
4963         PR tree-optimization/1046
4964         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
4965         when alias info is not ready.
4966         (pass_tail_recursion): Do not require aliasing.
4967         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
4968         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
4969         * tree-ssa-copy.c (pass_copy_prop): Likewise.
4970         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
4971         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
4972         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
4973         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
4974         before inlining.
4975         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
4976         When aliasing is not build, mark statement as volatile.
4978 2007-01-11  Tom Tromey  <tromey@redhat.com>
4980         PR preprocessor/15185, PR preprocessor/20989:
4981         * doc/cppopts.texi <-MT>: Update description of algorithm for
4982         computing default target.
4983         <-M, -MD>: Reword "basename" text.
4985 2007-01-11  Roger Sayle  <roger@eyesopen.com>
4987         * builtins.c (expand_builtin_pow, expand_builtin_powi,
4988         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
4989         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
4990         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
4991         fold_builtin_bswap, real_constp, fold_builtin_pow,
4992         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
4993         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
4994         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4995         * convert.c (convert_to_pointer): Likewise.
4996         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
4997         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
4998         const_binop, fold_convert_const_int_from_int,
4999         fold_convert_const_int_from_real,
5000         fold_convert_const_real_from_real, sign_bit_p,
5001         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
5002         fold_sign_changed_comparison, fold_unary, fold_comparison,
5003         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
5004         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
5005         * print-tree.c (print_node_brief, print_node): Likewise.
5006         * stor-layout.c (place_field, layout_type): Likewise.
5007         * tree-chrec.c (keep_cast): Likewise.
5008         * tree.c (build_vector, build_real, build_real_from_int_cst,
5009         build_complex): Likewise.
5011 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5013         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
5014         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
5016 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
5018         * configure.ac (strict1_warn): Rename to strict_warn.
5019         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
5020         cc_set_by_configure, quoted_cc_set_by_configure,
5021         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
5022         all_boot_languages, all_stagestuff): Remove.
5023         (target_list): Remove bootstrap targets.
5024         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
5025         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
5026         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
5027         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
5028         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
5029         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
5030         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
5031         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
5032         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
5033         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
5034         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
5035         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
5036         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
5037         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
5038         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
5039         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
5040         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
5041         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
5042         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
5043         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
5044         (mostlyclean): Adjust.
5045         (clean, distclean): Don't mention bootstrap stuff.
5046         * configure: Regenerate.
5047         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
5048         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
5049         treelang/config-lang.in (stagestuff): Remove.
5050         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
5051         stageprofile, stagefeedback, stagestuff): Remove mention.
5053 2007-01-11  Nick Clifton  <nickc@redhat.com>
5055         * config/mcore/predicates.md (mcore_general_movesrc_operand):
5056         Accept CONSTs.
5057         (mcore_general_movdst_operand): Do not accept CONST_INTs.
5058         (mcore_arith_K_S_operand): Run the test for the S constraint not
5059         the test for the M constraint.
5060         (mcore_addsub_operand): Do not accept integer values that are
5061         larger than 32 bits.
5062         * config/mcore/mcore.md: Remove unused constraints from split.
5063         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
5064         (addsi3): Likewise.
5065         (allocate_stack): Likewise.
5066         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
5067         operands to 32 bits.
5068         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
5069         INTVAL.
5070         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
5071         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
5072         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
5073         mcore_output_bclri, mcore_output_andn, output_inline_const,
5074         mcore_output_move, mcore_output_movedouble): Likewise.
5075         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
5076         (output_inline_const): Likewise.
5077         (output_inline_const): Fix format strings used in sprintf
5078         statements.
5079         * config/mcore/mcore-protos.h: Update prototypes for changed
5080         functions in mcore.c.
5081         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
5082         HOST_WIDE_INT and not int.
5083         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
5084         CONST_OK_FOR_N): Likewise.
5085         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
5086         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
5087         an INTVAL.
5089 2007-01-10  Jan Hubicka  <jh@suse.cz>
5091         * tree-vrp.c (remove_range_assertions): Release defs.
5092         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
5093         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5095 2007-01-10  Paul Brook  <paul@codesourcery.com>
5097         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5098         * config/arm/arm.md (mulsi3subsi): New insn.
5100 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
5102         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5103         (tree_transform_and_unroll_loop): New.
5104         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5105         Declare.
5107 2007-01-10  Robert Kennedy <jimbob@google.com>
5109         * fold-const.c (fold_comparison): Fold comparisons like (x *
5110         1000 < 0) to (x < 0).
5112 2007-01-10  Ian Lance Taylor  <iant@google.com>
5114         * tree-pretty-print.c (dump_generic_node): Print parentheses when
5115         operands have the same priority.
5117 2007-01-10  Tom Tromey  <tromey@redhat.com>
5119         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5120         (fold_binary): Likewise.
5121         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5122         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5123         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5124         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5125         * langhooks.h (struct lang_hooks): Removed field
5126         'can_use_bit_fields_p'.
5128 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
5130         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5132 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
5134         * function.c (get_last_funcdef_no): New function.
5135         * function.h (get_last_funcdef_no): Declare.
5136         * tree-inline.c (initialize_cfun): Add initialization.
5137         (tree_function_versioning): Cleanup.
5139 2007-01-10  Jan Hubicka  <jh@suse.cz>
5141         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5142         PHIs.
5144 2007-01-10  Sa Liu  <saliu@de.ibm.com>
5145             Ben Elliston  <bje@au.ibm.com>
5147         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5148         for SAVE_NONLOCAL and Pmode for any other save level.
5149         * spu-protos.h (spu_restore_stack_block): Declare.
5150         * spu.md (save_stack_block): Remove.
5151         (restore_stack_block): Call spu_restore_stack_block.
5152         * spu.c (spu_restore_stack_block): New function.
5153         (spu_expand_epilogue): Remove old comment.
5155 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
5157         PR tree-optimization/30322
5158         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5159         (cand_value_at): Return the value as aff_tree.
5160         (may_eliminate_iv): Convert the bound from aff_tree to tree.
5161         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5162         aff_combination_mult): New functions.
5163         (aff_combination_add): Use aff_combination_add_cst.
5164         (aff_combination_convert): Allow conversions to a wider type.
5165         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5166         * tree-affine.h (aff_combination_mult): Declare.
5168 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
5170         * doc/tm.texi: Update documentation to reflect reality of exec
5171         and start file search behaviours. Update copyright year.
5172         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5173         header file directories.
5175 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
5177         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5178         (*cosxf2): Rename to cosxf2_i387.
5179         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
5180         using X87MODEF12 mode macro. Rename patterns to
5181         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
5182         for SSE math.
5183         (*cosdf2, *cossf2): Ditto.
5184         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
5185         to match extended input operands.
5186         (sincos<mode>3): New expander.
5187         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
5188         insn patterns and corresponding splitters.
5190 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5192         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
5193         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
5195 2007-01-09  Nicolas Pitre  <nico@cam.org>
5197         PR target/30173
5198         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
5200 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5202         * target.h (struct gcc_target): New field library_rtti_comdat.
5203         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
5204         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
5205         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
5206         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
5208 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5210         * doc/invoke.texi (Optimize Options): Correct description of -O0.
5212 2007-01-08  Richard Guenther  <rguenther@suse.de>
5214         * tree.h (force_fit_type_double): Export.
5215         (force_fit_type): Remove.
5216         * fold-const.c (force_fit_type_double): New function.
5217         (force_fit_type): Remove.
5218         (int_const_binop): Use it.
5219         (fold_convert_const_int_from_int): Likewise.
5220         (fold_convert_const_int_from_real): Likewise.
5221         (fold_div_compare): Likewise.
5222         (fold_sign_changed_comparison): Likewise.
5223         (fold_unary): Likewise.
5224         (fold_negate_const): Likewise.
5225         (fold_abs_const): Likewise.
5226         (fold_not_const): Likewise.
5227         * c-common.c (shorten_compare): Use force_fit_type_double.
5228         * convert.c (convert_to_pointer): Likewise.
5230 2007-01-08  Richard Guenther  <rguenther@suse.de>
5232         * tree.h (build_int_cst_wide_type): Export.
5233         * tree.c (build_int_cst_wide_type): New function.
5234         (build_int_cst_wide): Fix comment.
5235         * builtins.c (fold_builtin_object_size): Use build_int_cst
5236         to build -1 or 0 of the correct type.  Use fit_double_type
5237         to check for overflow.
5238         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
5239         to build the mask.
5240         (decode_field_reference): Likewise.
5241         (all_ones_mask_p): Likewise.
5242         (native_interpret_int): Use build_int_cst_wide_type.
5243         (fold_binary): Use build_int_cst_type to build an all-ones
5244         value.
5245         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
5247 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
5249         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
5251 2007-01-09  Ben Elliston  <bje@au.ibm.com>
5253         * genautomata.c (STATS_OPTION): New option.
5254         (stats_flag): New flag.
5255         (gen_automata_option): Handle it.
5256         (initiate_automaton_gen): Ditto.
5257         (write_automata): Output statistics only if stats_flag is
5258         set. Likewise, output time statistics only if time_flag is set.
5259         * doc/md.texi (Processor pipeline description): Document new flag.
5261 2007-01-08  Richard Guenther  <rguenther@suse.de>
5263         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
5264         * tree.c (build_int_cst_type): Likewise.
5265         (size_in_bytes): Don't call force_fit_type on the result.
5266         (int_fits_type_p): Use fit_double_type.
5267         * fold-const.c (fit_double_type): New function.
5268         (force_fit_type): Use it.
5269         * tree.h (fit_double_type): Export.
5271 2007-01-08  Jan Hubicka  <jh@suse.cz>
5273         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
5274         * ipa.c (function_and_variable_visibility): Fix return type.
5276 2007-01-08  Richard Guenther  <rguenther@suse.de>
5278         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
5279         of offset to build the index.
5280         * tree-pretty-print.c (dump_generic_node): Don't build negated
5281         const just for printing.
5282         * c-pretty-print.c (pp_c_integer_constant): Likewise.
5283         * builtins.c (fold_builtin_int_roundingfn): Check if result
5284         fits the type by using force_fit_type and comparing the result.
5285         * predict.c (predict_loops): Use compare_tree_int for comparison.
5286         * tree.c (build_int_cst): Fall back to integer_type_node for
5287         NULL_TREE type.
5288         (build_int_cst_wide): Assert type is non-null.
5290 2007-01-08  Roberto Costa  <roberto.costa@st.com>
5292         * tree-vrp.c (extract_range_from_cond_expr): New.
5293         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
5294         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
5295         as expressions.
5296         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
5297         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
5298         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
5299         used as expressions.
5300         * tree-object-size.c (cond_expr_object_size): New.
5301         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
5303 2007-01-08  Jan Hubicka  <jh@suse.cz>
5305         * tree-ssa-forwprop.c (forward_propagate_into_cond,
5306         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
5307         statement.
5309 2007-01-08  Richard Guenther  <rguenther@suse.de>
5311         PR tree-optimization/23603
5312         * tree-vrp.c (set_value_range_to_truthvalue): New function.
5313         (extract_range_from_binary): Fall back to truthvalue instead of
5314         varying for TRUTH_*_EXPR.
5315         (extract_range_from_comparison): Fall back to truthvalue instead of
5316         varying.
5317         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
5318         if all visited PHI values were constant.
5320 2007-01-08  Jan Hubicka  <jh@suse.cz>
5322         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
5323         (cgraph_analyze_function): break out from ...
5324         (cgraph_finalize_compilation_unit): ... here.
5325         (cgraph_expand_function): Remove forgoten commented out line.
5326         (cgraph_optimize): Analyze functions.
5328 2007-01-08  Jan Hubicka  <jh@suse.cz>
5330         * tree-pas.h (TODO_remove_function): New flag.
5331         (TODO_update*): Renumber.
5332         (pass_ipa_increase_alignment,
5333         pass_ipa_function_and_variable_visibility): New passes.
5334         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
5335         (cgraph_function_and_variable_visibility): Move to ipa.c
5336         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
5337         cgraph_increase_alignment.
5338         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
5339         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
5340         calling tree-inline.
5341         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
5342         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
5343         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
5344         (gate_increase_alignment): New function.
5345         (pass_ipa_increase_alignment): New pass.
5346         * ipa.c: Inline tree-pass.h and timevar.h
5347         (function_and_variable_visibility): Move here from cgraphunit.c
5348         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
5349         * passes.c (init_optimization_passes): Add the two new passes.
5350         (execute_todo): Handle cgraph_remove_functions.
5352 2007-01-08  Nick Clifton  <nickc@redhat.com>
5354         * config/frv/predicates.md (reg_or_0_operand): Accept
5355         CONST_DOUBLEs.
5357 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
5359         * config/bfin/rtems.h, config/bfin/t-rtems: New.
5360         * config.gcc: Add bfin*-rtems*.
5362 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5364         * c.opt: Add -flax-vector-conversions.
5365         * c-typeck.c (convert_for_assignment): Pass flag to
5366         vector_types_convertible_p to allow emission of note.
5367         (digest_init): Likewise.
5368         * c-opts.c: Handle -flax-vector-conversions.
5369         * c-common.c (flag_lax_vector_conversions): New.
5370         (vector_types_convertible_p): Unless -flax-vector conversions
5371         has been passed, disallow conversions between vectors with
5372         differing numbers of subparts and/or element types.  If such
5373         a conversion is disallowed, possibly emit a note on the first
5374         occasion only to inform the user of -flax-vector-conversions.
5375         The new last argument specifies this.
5376         * c-common.h (flag_lax_vector_conversions): New.
5377         (vector_types_convertible_p): Add extra argument.
5378         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
5379         char_type_node for V*QI type vectors.
5380         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
5381         Update to satisfy new typechecking rules.
5382         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
5383         C and C++ variants.
5384         * doc/invoke.texi (C Dialect Options): Document
5385         -flax-vector-conversions.
5387 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5389         PR tree-optimization/29877
5390         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
5391         a register variable on the RHS to not be replaceable.
5393 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
5394         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
5395         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
5396         const_simm15, const_pow2, const_npow2): Added.
5397         * config/score/misc.md (insv, extv, extzv, movmemsi,
5398         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
5399         * config/score/score.c (score_address_cost, score_select_cc_mode):
5400         Added.
5401         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
5402         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
5403         Update score_print_operand.
5404         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
5405         Adjust register allocate order and update some macro define.
5406         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
5407         mdx_block_move_straight, mdx_block_move_loop_head,
5408         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
5409         mdx_block_move): Added.
5410         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
5411         mdp_limm): Updated and fix some bug and typo.
5412         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
5413         (movsf, movdf, doloop_end): Added.
5415 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
5417         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
5418         config/arm/thumb2.md: Fix comment typos.
5419         * doc/extend.texi: Fix a typo.
5421 2007-01-07  Eric Christopher  <echristo@apple.com>
5423         * configure.ac: Check for __stack_chk_fail for darwin.
5424         * configure: Regenerate.
5426 2007-01-07  Richard Guenther  <rguenther@suse.de>
5428         * tree-vrp.c (extract_range_from_assert): CSE calls to
5429         compare_values where possible.
5430         (extract_range_from_unary_expr): Likewise.
5432 2007-01-07  Anatoly Sokolov <aesok@post.ru>
5434         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
5435         * config/avr/avr.c (call_insn_operand): Delete function.
5436         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
5437         instead of register number. Use predicates.
5438         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
5439         call_insn_operand): Add.
5441 2007-01-06  Jan Hubicka  <jh@suse.cz>
5443         * tree-pass.h (pass_build_cgraph_edges): Declare.
5444         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
5445         (visited_nodes): Remove.
5446         (cgraph_create_edges): Move to cgraphbuild.c; rename to
5447         build_cgrpah_edges; make visited_nodes local.
5448         (cgraph_process_new_functions): DO not call initialize_inline_failed.
5449         (record_references_in_initializer): Move to cgraphbuild.c
5450         (initialize_inline_failed, rebuild_cgraph_edges,
5451         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
5452         (verify_cgraph_node): Make visited_nodes local.
5453         (cgraph_analyze_function): Do not call cgraph_create_edges and
5454         initialize_inline_failed.
5455         (cgraph_expand_function): Do not call cgraph_lower_function;
5456         assert that function is already lowered.
5457         * Makefile.in (cgraphbuild.o): New.
5458         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
5459         at the end of lowering passes.
5461 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
5463         * ifcvt.c (cond_move_convert_if_block): New function, code
5464         factored out from...
5465         (cond_move_process_if_block): ...here.  Call the new function
5466         on the THEN and ELSE blocks.
5467         (merge_if_block): Do not copy global_live_at_end, merge_blocks
5468         already takes care of this.
5470 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5472         PR c/19978
5473         * tree.h (TREE_OVERFLOW_P): New.
5474         * c-typeck.c (parser_build_unary_op): Warn only if result
5475         overflowed and operands did not.
5476         (parser_build_binary_op): Likewise.
5477         (convert_for_assignment): Remove redundant overflow_warning.
5478         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
5480 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5482         * c-typeck.c (store_init_value): Split over two lines to follow
5483         the GNU coding style.
5485 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
5487         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
5488         __GXX_EXPERIMENTAL_CXX0X__.
5489         * doc/cpp.texi: Same.
5491 2007-01-05  Richard Guenther  <rguenther@suse.de>
5493         PR middle-end/27826
5494         * tree.c (get_narrower): Do not construct COMPONENT_REFs
5495         with mismatched types.  Instead explicitly build a
5496         conversion NOP_EXPR.
5498 2007-01-05  Ian Lance Taylor  <iant@google.com>
5500         * c-common.c (decl_with_nonnull_addr_p): New function.
5501         (c_common_truthvalue_conversion): Call it.
5502         * c-typeck.c (build_binary_op): Likewise.
5503         * c-common.h (decl_with_nonnull_addr_p): Declare.
5505 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
5507         PR c/30360
5508         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
5509         denom against 0.0.
5511 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
5513         * doc/install.texi (Final install): Document the fact that
5514         the GNAT runtime should not be stripped.
5516 2007-01-04  Jan Hubicka  <jh@suse.cz>
5518         * tree-inline.c (fold_marked_statements): Update operand caches
5519         and EH after folding
5521 2007-01-04  Ian Lance Taylor  <iant@google.com>
5523         * c-common.c (check_function_nonnull): Whitespace fix.
5525 2007-01-04  Jan Hubicka  <jh@suse.cz>
5527         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
5528         comitted older version of patch.
5529         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
5530         function, celanup cfg and collect garbage.
5532 2007-01-04  Mike Stump  <mrs@apple.com>
5534         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
5535         (clean): Likewise.
5537 2007-01-04  Eric Christopher  <echristo@apple.com>
5539         * libgcc2.c (__bswapsi2): Use SItype.
5540         (__bswapdi2): Use DItype.
5541         * libgcc2.h: Update for above.
5543 2007-01-04  Paul Brook  <paul@codesourcery.com>
5545         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
5546         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
5547         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
5548         umulsidi3, umulsidi3adddi, smulsi3_highpart,
5549         umulsi3_highpart): Make conditional on !arm_arch6.
5550         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
5551         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
5552         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
5553         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
5554         umulsi3_highpart_v6): New insns.
5556 2007-01-04  Roger Sayle  <roger@eyesopen.com>
5558         * fold-const.c (fold_convert): When casting an expression to void,
5559         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
5560         have a type.  Instead of attempting to build a NOP_EXPR, return
5561         these "special" trees directly.
5563 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
5565         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
5566         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
5567         rs6000_cost->fp not 0 as adjustment for outer NEG.
5569 2007-01-04  Jan Hubicka  <jh@suse.cz>
5571         * cgraph.c (cgraph_release_function_body): New function.
5572         (cgraph_remove_node): Use it.
5573         * cgraph.h (cgraph_release_function_body): Declare.
5574         * cgraphunit.c (cgraph_expand_function): Use it.
5575         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
5576         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
5577         is initialized and while compilation of other function is running.
5578         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
5579         statement CFG annotations from here to ...
5580         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
5582 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
5584         * cfgloop.h (enum li_flags): Make the constants powers of two.
5586 2007-01-04  Jan Hubicka  <jh@suse.cz>
5588         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
5589         set.
5590         (fold_marked_statements): New function.
5591         (optimize_inline_calls, tree_function_versioning): Fold new statements.
5592         * tree-inline.h (copy_body_data): Add statements_to_fold.
5594 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
5596         * config.gcc: Mention libgcc/config.host.
5597         * Makefile.in: Update comments mentioning libgcc.
5598         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
5599         (all.cross, start.encap, rest.encap, rest.cross): Update
5600         dependencies for libgcc move.
5601         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
5602         (clean-target, clean-target-libgcc): Delete.
5603         (srcdirify, GCC_EXTRA_PARTS): New macros.
5604         (libgcc-support, libgcc.mvars): New rules.
5605         (distclean): Remove mention of mklibgcc.
5606         (install): Don't reference INSTALL_LIBGCC.
5607         (install-common): Don't reference EXTRA_PARTS.
5608         (install-libgcc, install-multilib): Delete rules.
5609         * mklibgcc.in: Delete file.
5610         * doc/configfiles.texi: Don't mention mklibgcc.
5612         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
5613         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
5614         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
5615         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
5616         (mklibgcc, ldblspecs): Likewise.
5618         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
5619         (posixpre.def): Use $(T).
5620         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
5621         (SHLIB_SRC, SHLIB_INSTALL): Delete.
5622         (SHLIB_LINK): Make dummy.
5623         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
5625         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
5627         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
5628         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
5629         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
5630         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
5632         * configure.ac (all_outputs): Remove mklibgcc.
5633         * configure: Regenerated.
5635 2007-01-03  Josh Conner  <jconner@apple.com>
5637         PR middle-end/29683
5638         * calls.c (compute_argument_addresses): Set stack and stack_slot
5639         for partial args, too.
5640         (store_one_arg): Use locate.size.constant for the size when
5641         generating a save_area.
5643 2007-01-03  Robert Kennedy <jimbob@google.com>
5645         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
5646         whose definitions are deleted due to basic block merging.
5648 2007-01-03  Paul Brook  <paul@codesourcery.com>
5650         PR target/16634
5651         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
5652         functions.
5653         (use_return_insn): Return 0 for Thumb interrupt functions.
5654         (print_multi_reg): Add rfe argument for IRQ returns.
5655         (arm_output_epilogue): Pop interrupt return address directly into PC.
5656         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
5658 2007-01-03  Paul Brook  <paul@codesourcery.com>
5660         Merge from sourcerygxx-4_1.
5661         * config/arm/thumb2.md: New file.
5662         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
5663         Thumb-2.
5664         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
5665         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
5666         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
5667         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
5668         tables.
5669         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
5670         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
5671         comptibility.
5672         * config/arm/ieee754-sf.S: Ditto.
5673         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
5674         (thumb1_base_register_rtx_p): ... to this.
5675         (thumb_index_register_rtx_p): Rename...
5676         (thumb1_index_register_rtx_p): ... to this.
5677         (thumb_output_function_prologue): Rename...
5678         (thumb1_output_function_prologue): ... to this.
5679         (thumb_legitimate_address_p): Rename...
5680         (thumb1_legitimate_address_p): ... to this.
5681         (thumb_rtx_costs): Rename...
5682         (thumb1_rtx_costs): ... to this.
5683         (thumb_compute_save_reg_mask): Rename...
5684         (thumb1_compute_save_reg_mask): ... to this.
5685         (thumb_final_prescan_insn): Rename...
5686         (thumb1_final_prescan_insn): ... to this.
5687         (thumb_expand_epilogue): Rename...
5688         (thumb1_expand_epilogue): ... to this.
5689         (arm_unwind_emit_stm): Rename...
5690         (arm_unwind_emit_sequence): ... to this.
5691         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
5692         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
5693         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
5694         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
5695         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
5696         thumb2_output_casesi): New functions.
5697         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
5698         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
5699         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
5700         THUMB2_WORK_REGS): Define.
5701         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
5702         arm_condexec_mask, arm_condexec_masklen)): New variables.
5703         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
5704         (arm_override_options): Check new CPU capabilities.
5705         Set new architecture flag variables.
5706         (arm_isr_value): Handle v7m interrupt functions.
5707         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
5708         Thumb-2.
5709         (const_ok_for_arm): Handle Thumb-2 constants.
5710         (arm_gen_constant): Ditto.  Use movw when available.
5711         (arm_function_ok_for_sibcall): Return false for v7m interrupt
5712         functions.
5713         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
5714         (thumb_find_work_register, arm_load_pic_register,
5715         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
5716         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
5717         print_multi_reg, output_mov_long_double_fpa_from_arm,
5718         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
5719         output_mov_double_fpa_from_arm, output_move_double,
5720         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
5721         output_return_instruction, arm_output_function_prologue,
5722         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
5723         arm_output_mi_thunk, thumb_set_return_address): Ditto.
5724         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
5725         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
5726         (arithmetic_instr, shift_op): Use arm_shift_nmem.
5727         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
5728         '!' and 'L'.
5729         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
5730         (thumb_expand_prologue): Use thumb_set_frame_pointer.
5731         (arm_file_start): Output directive for unified syntax.
5732         (arm_unwind_emit_set): Handle stack alignment instruction.
5733         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
5734         Add v6t2, v7, v7a, v7r and v7m.
5735         (RETLDM): Add Thumb-2 code.
5736         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
5737         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
5738         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
5739         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
5740         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
5741         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
5742         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
5743         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
5744         ADJUST_INSN_LENGTH): Define.
5745         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
5746         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
5747         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
5748         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
5749         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
5750         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
5751         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
5752         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
5753         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
5754         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
5755         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
5756         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
5757         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
5758         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
5759         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
5760         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
5761         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
5762         cortex-m3.
5763         * config/arm/arm-tune.md: Regenerate.
5764         * config/arm/arm-protos.h: Update prototypes.
5765         * config/arm/vfp.md: Enable patterns for Thumb-2.
5766         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
5767         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
5768         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
5769         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
5770         * config/arm/libunwind.S: Add Thumb-2 code.
5771         * config/arm/constraints.md: Update include Thumb-2.
5772         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
5773         * config/arm/ieee754-df.S: Ditto.
5774         * config/arm/bpabi.S: Ditto.
5775         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
5776         * config/arm/predicates.md (low_register_operand,
5777         low_reg_or_int_operand, thumb_16bit_operator): New.
5778         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
5779         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
5780         * config/arm/t-arm-elf: Add armv7 multilib.
5781         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
5782         Include thumb2.md.
5783         (UNSPEC_STACK_ALIGN, ce_count): New.
5784         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
5785         arm_zero_extendsidi2, arm_zero_extendqidi2): New
5786         insns/expanders.
5787         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
5788         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
5789         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
5790         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
5791         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
5792         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
5793         insns.
5794         * doc/extend.texi: Document ARMv7-M interrupt functions.
5795         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
5797 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
5799         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
5800         (struct _Unwind_Context): Rename args_size to flags, remove
5801         signal_frame field, add a new args_size field and version field.
5802         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
5803         _Unwind_IsExtendedContext): New inline functions.
5804         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5805         Assume by_value array is only present if _Unwind_IsExtendedContext.
5806         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
5807         _Unwind_IsSignalFrame.
5808         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
5809         (uw_update_context_1): Use _Unwind_SetSignalFrame.
5810         (uw_init_context_1): Initialize context->flags to
5811         EXTENDED_CONTEXT_BIT.
5812         * config/rs6000/linux-unwind.h (frob_update_context): Use
5813         _Unwind_SetSignalFrame.
5815 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5817         PR middle-end/30353
5818         * gimplify.c (gimplify_modify_expr_complex_part): Move below
5819         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
5820         the value.
5822 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
5824         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
5825         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
5826         RET, AT_SP): Remove.
5827         * config/i386/i386.md (*sse_prologue_save_insn): Use return
5828         instead of RET.
5830         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
5831         * cfgbuild.c (find_basic_blocks): Likewise.
5832         * cfgrtl.c (rtl_create_basic_block): Likewise.
5833         * function.c (temp_slots_at_level): Likewise.
5834         * reg-stack.c (stack_regs_mentioned): Likewise.
5835         * regclass.c (allocate_reg_info): Likewise.
5836         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
5837         set_bb_for_stmt, move_block_to_fn): Likewise.
5838         * tree-complex.c (tree_lower_complex): Likewise.
5839         * vec.h (VEC_safe_grow_cleared): New.
5841         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
5843 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
5845         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
5846         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
5847         to loop_version.
5848         * cfgloopmanip.c (scale_loop_frequencies): Export.
5849         (loopify): Scale the frequencies by prescribed coefficients.
5850         (set_zero_probability): New function.
5851         (duplicate_loop_to_header_edge): Improve updating of frequencies.
5852         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
5853         and frequencies according to arguments.
5854         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
5855         correctly.
5856         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
5857         * modulo-sched.c (sms_schedule): Set probabilities for entering
5858         versioned loop correctly.
5859         * tree-vect-transform.c (vect_transform_loop): Ditto.
5860         * cfgloop.h (loopify, loop_version): Declaration changed.
5861         (scale_loop_frequencies): Declared.
5863 2007-01-02  Jan Hubicka  <jh@suse.cz>
5865         * cgraph.c: Include tree-flow.h
5866         (cgraph_add_new-function): Handle IPA_SSA mode; execute
5867         early_local_passes.
5868         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
5869         * tree-pass.h (pass_all_early_optimizations): Declare.
5870         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
5871         early_local_passes.
5872         (cgraph_analyze_function): Do early_local_passes.
5873         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
5874         Do not add referenced vars.
5875         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
5876         SSA form.
5877         (gate_all_early_local_passes): New gate.
5878         (pass_early_local_passes): Use new gate.
5879         (execute_early_local_optimizations): New functions.
5880         (gate_all_early_optimizations): New gate.
5881         (pass_all_early_optimizations): New pass.
5882         (execute_free_datastructures): Free SSA only when initialized.
5883         (gate_init_datastructures): Init only when optimizing.
5884         (tree_lowering_passes): Do early local passes when called late.
5885         * tree-profile.c (do_tree_profiling): Don't profile functions added
5886         late.
5887         (do_early_tree_profiling, pass_early_tree_profile): Kill.
5888         * tree-cfg.c (update_modified_stmts): Do not update when operands are
5889         not active.
5890         * passes.c (init_optimizations_passes): Reorder so we go into SSA
5891         during early_local_passes.
5892         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
5895 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
5897         * Makefile.in: Update copyright year.
5899 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
5901         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
5902         in $(lang_checks) and check-consistency targets.
5904 2007-01-02  Jan Hubicka  <jh@suse.cz>
5906         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
5907         Do not add referenced vars.
5908         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
5909         are not active.
5910         * passes.c (init_optimization_passes): Put mudflap_2 after
5911         free_datastructures.
5913 2007-01-02  Jan Hubicka  <jh@suse.cz>
5915         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
5916         Set NOTHROW flag on call statements proved to be nothrow.
5917         Update statement of local calls so new pure/const functions are
5918         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
5919         goto receivers.
5920         (tree_rest_of_compilation): Register hooks and initialize bitmap
5921         early. Do not set after_inlining flag.
5923 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
5925         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
5926         HOST_BITS_PER_LONGLONG
5928 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5930         PR c/19977
5931         * c-typeck.c (store_init_value): Don't emit pedantic overflow
5932         warning for non-static initializers.
5934 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
5936         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
5937         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
5938         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
5939         Always use set_unique_reg_note to add REG_EQUAL notes.
5941 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
5943         Revert:
5944         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
5946         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
5947         * cfgbuild.c (find_basic_blocks): Likewise.
5948         * cfgrtl.c (rtl_create_basic_block): Likewise.
5949         * function.c (temp_slots_at_level): Likewise.
5950         * reg-stack.c (stack_regs_mentioned): Likewise.
5951         * regclass.c (allocate_reg_info): Likewise.
5952         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
5953         set_bb_for_stmt, move_block_to_fn): Likewise.
5954         * tree-complex.c (tree_lower_complex): Likewise.
5955         * vec.h (VEC_safe_grow_cleared): New.
5957 2007-01-02  Ian Lance Taylor  <iant@google.com>
5959         * c-common.c (c_common_truthvalue_conversion): When warning about
5960         using an assignment as a truth value, set TREE_NO_WARNING.
5962 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5964         PR middle-end/7651
5965         * c.opt (Wold-style-declaration): New.
5966         * doc/invoke.texi (C-only Warning Options): New.
5967         (Wold-style-declaration): Document it.
5968         (Wextra): Enabled by -Wextra.
5969         * c-opts.c (c_common_post_options): Enabled by -Wextra.
5970         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
5971         -Wold-style-declaration.
5973 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
5975         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
5976         * cfgbuild.c (find_basic_blocks): Likewise.
5977         * cfgrtl.c (rtl_create_basic_block): Likewise.
5978         * function.c (temp_slots_at_level): Likewise.
5979         * reg-stack.c (stack_regs_mentioned): Likewise.
5980         * regclass.c (allocate_reg_info): Likewise.
5981         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
5982         set_bb_for_stmt, move_block_to_fn): Likewise.
5983         * tree-complex.c (tree_lower_complex): Likewise.
5984         * vec.h (VEC_safe_grow_cleared): New.
5986 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
5988         * c-common.c (c_common_nodes_and_builtins): Since variants of
5989         void_type_node get built before it is given a name, we need to
5990         give those variants the name, too.
5991         (complete_array_type): We need to work with the canonical main
5992         type of the array, from which we will build the qualified version.
5993         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
5994         * print-tree.c (print_node): Display canonical type information
5995         for each type.
5996         * stor-layout.c (layout_type): When we don't know the
5997         alignment of a type for which we're building an array, we end up
5998         guessing wrong, so make the type require structural equality.
5999         * tree.c (make_node_stat): When we build a new type, it is its
6000         own canonical type.
6001         (build_type_attribute_qual_variant): When building an attribute
6002         variant, its canonical type is the non-attribute variant. However,
6003         if the attributes are target-dependent and they differ, we need to
6004         use structural equality checks for this type.
6005         (build_qualified_type): A qualified type is not equivalent to its
6006         unqualified variant; set the canonical type appropriately.
6007         (build_distinct_type_copy): When building a distinct type from
6008         another type, the new type is its own canonical type.
6009         (build_variant_type_copy): When building a new type variant, we
6010         assume that it is equivalent to the original type.
6011         (build_pointer_type_for_mode): When building a pointer type, also
6012         build a canonical type pointer.
6013         (build_reference_type_for_mode): When building a reference type,
6014         also build a canonical type reference.
6015         (build_index_type): When we can't hash an index type (e.g.,
6016         because its maximum value is negative), the index type requires
6017         structural equality tests.
6018         (build_array_type): Build the canonical form of an array type.
6019         (build_function_type): Function types require structural equality,
6020         because they contain default arguments, attributes, etc.
6021         (build_method_type_directly): Ditto for method types.
6022         (build_offset_type): Build the canonical offset type.
6023         (build_complex_type): Build the canonical vector type.
6024         (make_vector_type): Build the canonical vector type.
6025         * tree.h (TYPE_CANONICAL): New.
6026         (TYPE_STRUCTURAL_EQUALITY_P): New.
6027         (SET_TYPE_STRUCTURAL_EQUALITY): New.
6028         (struct tree_type): Added "canonical" field.
6029         * params.h (VERIFY_CANONICAL_TYPES): New.
6030         * doc/c-tree.texi (TYPE_CANONICAL): Document.
6031         (TYPE_STRUCTURAL_EQUALITY_P): Document.
6032         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
6033         * doc/invoke.texi (verify-canonical-types): Document --param
6034         parameter for verifying canonical types.
6036 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6038         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
6039         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
6040         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
6041         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
6042         tm_file.
6043         * config/rs6000/e500.h: New.
6044         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
6045         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
6046         Remove.
6047         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
6048         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
6049         TARGET_E500_DOUBLE): Remove.
6050         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
6051         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
6052         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
6053         * config/rs6000/rs6000.c (rs6000_override_options): Use
6054         CHECK_E500_OPTIONS.
6056 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6058         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
6059         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
6060         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
6061         rs6000_emit_cmove): Don't check TARGET_E500.
6062         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
6063         sordered): Don't check TARGET_E500.
6065 2007-01-01  Eric Christopher  <echristo@apple.com>
6067         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
6068         HARD_REGISTER_NUM_P.
6070 2007-01-01  Roger Sayle  <roger@eyesopen.com>
6072         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
6073         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
6074         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
6075         eq/ne Y".
6077 2007-01-01  Mike Stump  <mrs@apple.com>
6079         * configure.ac: Remove support for building with Apple's gcc-3.1.
6081 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6083         PR middle-end/30311
6084         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
6085         REG is a hard register.  Do not modify REG before calling
6086         subreg_nregs.
6087         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
6088         multiple of the size of YMODE for certain lowpart cases.
6090 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6092         PR middle-end/30253
6093         * gimplify (voidify_wrapper_expr): Update for
6094         GIMPLE_MODIFY_STMT.
6096 2007-01-01  Andreas Schwab  <schwab@suse.de>
6098         PR target/29166
6099         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6100         save of BR0 in extra_spill_size instead of spill_size.
6101         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6102         area.
6103         (ia64_expand_epilogue): Restore BR0 from its new location.
6105 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6107         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6108         Use a temporary variable if the left hand side is not a gimple
6109         register.
6111 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6113         * gimplify.c (gimplify_return_expr): Make the temporary variable
6114         for the return expression, a gimple register variable.
6116 2007-01-01  Jan Hubicka  <jh@suse.cz>
6118         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6119         INSN_LIST.
6121 2007-01-01  Mike Stump  <mrs@apple.com>
6123         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6124         .literal16.
6125         * config/darwin.c (machopic_select_rtx_section): Use
6126         HAVE_GAS_LITERAL16.
6127         (darwin_mergeable_constant_section): Likewise.
6128         * configure: Regenerate.
6129         * config.in: Regenerate.
6131 2007-01-01  Jan Hubicka  <jh@suse.cz>
6132             Andrew Pinski  <pinskia@gmail.com>
6134         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6135         before starting IPA passes.