* optabs.h (enum optab_index): Add new OTI_scalb.
[official-gcc.git] / gcc / ChangeLog
blob292bfbc15338a7f098a549d138e103728abf3ee7
1 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2             Uros Bizjak  <ubizjak@gmail.com>
4         * optabs.h (enum optab_index): Add new OTI_scalb.
5         (scalb_optab): Define corresponding macro.
6         * optabs.c (init_optabs): Initialize scalb_optab.
7         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
8         patterns.
9         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
10         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
11         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
12         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
13         flag_unsafe_math_optimizations is set.
15         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
16         to implement scalbf, scalb and scalbl built-ins as inline x87
17         intrinsics.
19 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20             DJ Delorie <dj@redhat.com>
22         PR other/30824
23         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
24         (diagnostic_report_diagnostic): ... here, and turn them into real
25         errors. If warnings are inhibited, no need to do anything.
27 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
29         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
30         better code generation.
32 2007-02-20  Ben Elliston  <bje@au.ibm.com>
34         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
36 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
38         * config/alpha/alpha.c, config/alpha/alpha.md,
39         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
40         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
41         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
42         config/arm/lib1funcs.asm: Follow spelling conventions.
44         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
45         config/fr30/fr30.md, config/i386/i386.h,
46         config/iq2000/iq2000.h, config/iq2000/predicates.md,
47         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
48         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
49         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
50         config/rs6000/altivec.md, config/rs6000/rs6000.c,
51         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
52         config/sparc/sparc.c, config/sparc/sparc.h,
53         config/sparc/sparc.md, config/spu/constraints.md,
54         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
55         conventions.
57 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
59         PR target/29943
60         * varasm.c (use_blocks_for_decl_p): Return false for decls with
61         alias attribute.
63 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
65         * doc/invoke.texi (-ftree-lrs): Remove.
67 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
69         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
70         NULL.
72 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
74         * config/ia64/ia64.c (ia64_expand_builtin): Use the
75         new CALL_EXPR_FN macro for retrieving the function 
76         declaration of the input expression.
77         
78 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
80         * c.opt (Waddress): New.
81         * common.opt (Walways-true): Delete.
82         (Wstring-literal-comparison): Delete.
83         * doc/invoke.texi (Warning Options): Delete -Walways-true and
84         -Wstring-literal-comparison. Add -Waddress.
85         (Waddress): New.
86         (Walways-true): Delete.
87         (Wstring-literal-comparison): Delete.
88         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
89         consistently instead of -Walways-true in example.
90         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
91         * c-typeck.c (parser_build_binary_op): Replace
92         -Wstring-literal-comparison and -Walways-true with -Waddress.
93         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
94         with -Waddress.
95         
96 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
98         * tree-cfg.c (dump_function_to_file): Be prepared for functions
99         without DECL_STRUCT_FUNCTION initialized.
101 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
103         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
104         due to calls to functions taking pointers as parameters.
106 2007-02-19  Richard Henderson  <rth@redhat.com>
108         PR debug/29558
109         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
110         in memory.
112 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
114         * config/s390/s390.c (s390_call_saved_register_used,
115         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
116         accessed to the new scheme.
118 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
120         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
121         (cris_print_index, cris_print_operand, cris_print_operand_address)
122         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
123         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
124         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
125         GET_CODE () == xxx.
126         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
127         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
128         GO_IF_LEGITIMATE_ADDRESS): Ditto.
129         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
130         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
131         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
132         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
133         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
134         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
135         (uminsi3, call, call_value): Ditto.
136         (define_split: indir_to_reg_split, unnamed): Ditto.
138 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
140         PR tree-optimization/30975
141         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
142         wrong assert.
144 2007-02-18  Eric Christopher  <echristo@gmail.com>
146         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
147         Remove use of arglist.
148         (mips_expand_builtin): Remove use of arglist, pass in expr.
149         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
150         (mips_expand_builtin_movtf): Ditto.
151         (mips_expand_builtin_compare): Ditto.
153 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
155         * tree-sra.c (sra_build_assignment): Replace assertion
156         checking with a comment explaining why it can't be done.
158 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
160         PR middle-end/30833
161         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
162         during CALL_EXPR representation conversion.
163         * tree-ssa-propagate.c (set_rhs): Likewise.
165 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
167         * tree-sra.c (sra_build_assignment): Disable assertion checking
168         for now.
170 2007-02-18  Roger Sayle  <roger@eyesopen.com>
172         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
173         instead of calling build2 with a GIMPLE_MODIFY_STMT.
174         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
175         Likewise.
176         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
177         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
178         gimplify_init_ctor_eval_range, gimple_push_cleanup,
179         gimplify_omp_for, gimplify_omp_atomic_pipeline,
180         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
181         force_gimple_operand): Likewise.
182         * ipa-cp.c (constant_val_insert): Likewise.
183         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
184         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
185         perfect_nestify): Likewise.
186         * langhooks.c (lhd_omp_assignment): Likewise.
187         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
188         lower_copyprivate_clauses, lower_send_clauses,
189         lower_send_shared_vars, expand_parallel_call,
190         expand_omp_for_generic, expand_omp_for_static_nochunk,
191         expand_omp_for_static_chunk, expand_omp_sections,
192         lower_omp_single_copy, lower_omp_for_lastprivate,
193         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
194         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
195         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
196         Likewise.
198 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
200         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
201         config/sh/sh.md: Follow spelling conventions.
203         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
204         config/frv/predicates.md: Follow spelling conventions.
206         * config/m68k/linux-unwind.h: Fix a comment typo.
207         * target.h: Follow spelling conventions.
209 2007-02-18  Roger Sayle  <roger@eyesopen.com>
211         PR rtl-optimization/28173
212         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
213         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
214         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
215         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
216         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
218 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
220         * builtins.c (fold_builtin_load_exponent): New.
221         (fold_builtin_2): Use it.
223 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
225         PR rtl-optimization/30773
226         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
227         if we fail to attach a REG_EQUIV note.
229 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
230             Roger Sayle  <roger@eyesopen.com>
232         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
234 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
236         * calls.c (initialize_argument_information): Pass original EXP
237         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
238         code to split complex arguments here, as part of initializing the
239         ARGS array.
240         (expand_call): Remove code that builds a list of arguments and
241         inserts implicit arguments into it.  Instead, just count how many
242         implicit arguments there will be so we can determine the size of
243         the ARGS array, and let initialize_argument_information do the work.
244         (split_complex_values): Delete unused function.
246 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
248         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
250 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
252         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
253         for arg pointer based indexed addressing.
255 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
257         * config/ia64/ia64.h, config/ia64/ia64.md,
258         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
259         spelling conventions.
261 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
263         * config/m68k/m68k.c (split_di): New.
264         * config/m68k/m68k-protos.h: Declare split_di.
265         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
266           Improve predicate handling and split constant shifts.
268 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
270         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
271         parameter for register bitfield operations, general predicates
272         cleanup
274 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
276         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
277         * config/m68k/linux-unwind.h: New file.
279 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
281         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
282         config/i386/athlon.md, config/ia64/ia64.md,
283         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
284         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
285         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
286         tree-ssa-loop-niter.c, tree-vect-analyze.c,
287         tree-vect-transform.c: Fix comment typos.
289 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
291         * sched-deps.c (find_insn_list): Remove.
292         * sched-int.h: Remove the prototype for find_insn_list.
294 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
296         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
297         to linker.
298         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
299         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
300         darwin_rs6000_override_options.
301         (C_COMMON_OVERRIDE_OPTIONS): Expect
302         darwin_macosx_version_min to be non-NULL always.
303         (TARGET_C99_FUNCTIONS): Likewise.
304         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
305         (DARWIN_MINVERSION_SPEC): New.
306         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
307         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
308         to cc1*.
309         (DARWIN_MINVERSION_SPEC): New.
310         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
311         value.
312         * config/darwin-c.c (darwin_cpp_builtins): Expect
313         darwin_macosx_version_min to be non-NULL always.
315         * config/rs6000/rs6000.c: Clean up trailing whitespace.
317 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
319         * config/i386/i386.h (x86_use_xchgb): New.
320         (TARGET_USE_XCHGB): New macro.
321         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
322         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
323         Split after reload into bswaphi for shifts of 8.
324         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
325         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
326         or when optimizing for size.
328 2007-02-16  Richard Guenther  <rguenther@suse.de>
329             Christian Bruel  <christian.bruel@st.com>
331         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
332         DECLs but prefer SSA_NAMEs over DECLs.
334 2007-02-16  Richard Guenther  <rguenther@suse.de>
336         * tree-flow-inline.h (single_imm_use_p): Remove.
337         (zero_imm_uses_p): Likewise.
338         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
339         instead of single_imm_use_p.
340         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
341         zero_imm_uses_p.
343 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
345         PR other/27843
346         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
347         nested double- and backquotes.
349 2007-02-15  Roger Sayle  <roger@eyesopen.com>
351         PR middle-end/30391
352         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
353         should be unreachable.
354         (build2_stat): Allow construction of MODIFY_EXPR at any time.
355         For the time being redirect GIMPLE_MODIFY_STMT to the new
356         (renamed) build_gimple_modify_stmt_stat.
357         (build2_gimple_stat): Rename to...
358         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
359         Always build a GIMPLE_MODIFY_STMT node.
360         * tree.h (build2_gimple, build2_gimple_stat): Delete.
361         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
362         declarations.
364         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
365         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
366         * tree-complex.c (set_component_ssa_name, expand_complex_move,
367         expand_complex_div_wide): Likewise.
368         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
369         * tree-ssa-loop-im.c (schedule_sm): Likewise.
370         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
371         * tree-ssa-loop-manip.c (create_iv): Likewise.
372         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
373         abs_replacement): Likewise.
374         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
375         realify_fake_stores): Likewise.
377         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
378         node rather than a GIMPLE_MODIFY_STMT node.
379         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
380         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
381         Likewise.
382         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
383         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
384         GIMPLE_MODIFY_STMT.
386 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
388         PR middle-end/30433
389         * fold-const.c (fold_comparison): Add back the
390         folding of constant complex comparisions.
392 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
394         PR middle-end/30729
395         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
396         effects unknown to this function, return early.
398 2007-02-15  Ian Lance Taylor  <iant@google.com>
400         * lower-subreg.c (move_eh_region_note): New static function.
401         (resolve_simple_move): Call it.
402         (decompose_multiword_subregs): Track blocks for which we resolve a
403         simple move which is also a control flow insn.  Pass them to
404         find_many_sub_basic_blocks.
405         (pass_lower_subreg): Add TODO_verify_flow.
406         (pass_lower_subreg2): Likewise.
408 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
409             Brooks Moses  <brooks.moses@codesourcery.com>
410             Lee Millward  <lee.millward@codesourcery.com>
412         * tree.h (enum tree_code_class): Add tcc_vl_exp.
413         (VL_EXP_CLASS_P): New.
414         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
415         TREE_CODE_LENGTH.
416         (TREE_OPERAND_CHECK_CODE): Likewise.
417         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
418         (TREE_RTL_OPERAND_CHECK): Likewise.
419         (tree_operand_check_failed): Make second parameter the whole tree
420         instead of its code.  Fixed callers.
421         (VL_EXP_CHECK): New.
422         (TREE_OPERAND_LENGTH): New.
423         (VL_EXP_OPERAND_LENGTH): New.
424         (CALL_EXPR_FN): New.
425         (CALL_EXPR_STATIC_CHAIN): New.
426         (CALL_EXPR_ARGS): New.
427         (CALL_EXPR_ARG): New.
428         (call_expr_nargs): New.
429         (CALL_EXPR_ARGP): New.
430         (build_nt_call_list): Declare.
431         (build_vl_exp_stat): Declare.
432         (build_vl_exp): New.
433         (build_call_list): Declare.
434         (build_call_nary): Declare.
435         (build_call_valist): Declare.
436         (build_call_array): Declare.
437         (call_expr_arg): Declare.
438         (call_expr_argp): Declare.
439         (call_expr_arglist): Declare.
440         (fold_build_call_list): Declare.
441         (fold_build_call_list_initializer): Declare.
442         (fold_call_expr): Declare to replace fold_builtin.
443         (fold_builtin_fputs): Update to agree with modified definition.
444         (fold_builtin_strcpy): Likewise.
445         (fold_builtin_strncpy): Likewise.
446         (fold_builtin_memory_chk): Likewise.
447         (fold_builtin_stxcpy_chk): Likewise.
448         (fold_builtin_strncpy_chk): Likewise.
449         (fold_builtin_next_arg): Likewise.
450         (fold_build_call_expr): Declare.
451         (fold_builtin_call_list): Declare.
452         (fold_builtin_call_valist): Declare.
453         (build_call_expr): Declare.
454         (validate_arglist): Update to agree with modified definition.
455         (tree_operand_length): New.
456         (call_expr_arg_iterator): New.
457         (init_call_expr_arg_iterator): New.
458         (next_call_expr_arg): New.
459         (first_call_expr_arg): New.
460         (more_call_expr_args_p): New.
461         (FOR_EACH_CALL_EXPR_ARG): New.
463         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
464         and tcc_gimple_stmt.
465         (tree_code_size): Update documentation.  Use sizeof (tree) rather
466         than sizeof (char *).
467         (tree_size): Likewise.  Add case for tcc_vl_exp.
468         (tree_node_structure): Add case for tcc_vl_exp.
469         (contains_placeholder_p): Likewise.
470         (substitute_in_expr): Likewise.
471         (substitute_placeholder_in_expr): Likewise.
472         (stabilize_reference_1): Likewise.
473         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
474         to diagnose breakage of this interface for constructing CALL_EXPRs.
475         (build_nt): Add similar assertion here.
476         (build_nt_call_list): New.
477         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
478         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
479         TREE_CODE_LENGTH.
480         (get_callee_fndecl): Use new CALL_EXPR accessors.
481         (tree_operand_check_failed): Change parameters to pass entire node
482         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
483         (process_call_operands): New.
484         (build_vl_exp_stat): New.
485         (build_call_list): New.
486         (build_call_nary): New.
487         (build_call_valist): New.
488         (build_call_array): New.
489         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
490         (call_expr_arglist): New.
492         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
493         tcc_vl_exp instead of a fixed-size tcc_expression.
495         * doc/c-tree.texi (CALL_EXPR): Document new representation and
496         accessors for CALL_EXPRs.
497         (AGGR_INIT_EXPR): Likewise.
499 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
500             Brooks Moses  <brooks.moses@codesourcery.com>
501             Lee Millward  <lee.millward@codesourcery.com>
503         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
504         (expand_builtin_nonlocal_goto): Change parameter to be entire
505         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
506         (expand_builtin_prefetch): Likewise.
507         (expand_builtin_classify_type): Likewise.
508         (mathfn_built_in): Return NULL_TREE instead of 0.
509         (expand_errno_check): Use new CALL_EXPR accessors.
510         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
511         Return NULL_RTX instead of 0.
512         (expand_builtin_mathfn_2): Likewise.
513         (expand_builtin_mathfn_3): Likewise.
514         (expand_builtin_interclass_mathfn): Likewise.
515         (expand_builtin_sincos): Likewise.
516         (expand_builtin_cexpi): Likewise.
517         (expand_builtin_int_roundingfn): Likewise.
518         (expand_builtin_int_roundingfn_2): Likewise.
519         (expand_builtin_pow): Likewise.
520         (expand_builtin_powi): Likewise.
521         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
522         of arglist, fixing callers appropriately.  Use new CALL_EXPR
523         accessors and constructors.  Return NULL_RTX instead of 0.
524         (expand_builtin_strstr): Likewise.
525         (expand_builtin_strchr): Likewise.
526         (expand_builtin_strrchr): Likewise.
527         (expand_builtin_strpbrk): Likewise.
528         (expand_builtin_memcpy): Likewise.
529         (expand_builtin_mempcpy): Likewise.
530         (expand_builtin_mempcpy_args): New.
531         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
532         (expand_builtin_memmove_args): New.
533         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
534         (expand_movstr): Likewise.
535         (expand_builtin_strcpy): Likewise.
536         (expand_builtin_strcpy_args): New.
537         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
538         (expand_builtin_strncpy): Likewise.
539         (expand_builtin_memset): Likewise.
540         (expand_builtin_memset_args): New.
541         (expand_builtin_bzero): Similarly to expand_builtin_memset.
542         (expand_builtin_memcmp): Likewise.
543         (expand_builtin_strcmp): Likewise.
544         (expand_builtin_strncmp): Likewise.
545         (expand_builtin_strcat): Likewise.
546         (expand_builtin_strncat): Likewise.
547         (expand_builtin_strspn): Likewise.
548         (expand_builtin_strcspn): Likewise.
549         (expand_builtin_args_info): Likewise.
550         (expand_builtin_va_start): Likewise.
551         (gimplify_va_arg_expr): Likewise.
552         (expand_builtin_va_end): Likewise.
553         (expand_builtin_va_copy): Likewise.
554         (expand_builtin_frame_address): Likewise.
555         (expand_builtin_alloca): Likewise.
556         (expand_builtin_bswap): Likewise.
557         (expand_builtin_unop): Likewise.
558         (expand_builtin_fputs): Likewise.
559         (expand_builtin_expect): Likewise.
560         (expand_builtin_fabs): Likewise.
561         (expand_builtin_copysign): Likewise.
562         (expand_builtin_printf): Likewise.
563         (expand_builtin_fprintf): Likewise.
564         (expand_builtin_sprintf): Likewise.
565         (expand_builtin_init_trampoline): Likewise.
566         (expand_builtin_signbit): Likewise.
567         (expand_builtin_fork_or_exec): Likewise.
568         (expand_builtin_sync_operation): Likewise.
569         (expand_builtin_compare_and_swap): Likewise.
570         (expand_builtin_lock_test_and_set): Likewise.
571         (expand_builtin_lock_release): Likewise.
572         (expand_builtin): Likewise.
573         (builtin_mathfn_code): Likewise.
575         (fold_builtin_constant_p): Pass call arguments individually instead
576         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
577         accessors and constructors.  Return NULL_TREE instead of 0.
578         (fold_builtin_expect): Likewise.
579         (fold_builtin_classify_type): Likewise.
580         (fold_builtin_strlen): Likewise.
581         (fold_builtin_nan): Likewise.
582         (integer_valued_real_p): Likewise.
583         (fold_trunc_transparent_mathfn): Likewise.
584         (fold_fixed_mathfn): Likewise.
585         (fold_builtin_cabs): Likewise.
586         (fold_builtin_sqrt): Likewise.
587         (fold_builtin_cbrt): Likewise.
588         (fold_builtin_cos): Likewise.
589         (fold_builtin_cosh): Likewise.
590         (fold_builtin_tan): Likewise.
591         (fold_builtin_sincos): Likewise.
592         (fold_builtin_cexp): Likewise.
593         (fold_builtin_trunc): Likewise.
594         (fold_builtin_floor): Likewise.
595         (fold_builtin_ceil): Likewise.
596         (fold_builtin_round): Likewise.
597         (fold_builtin_int_roundingfn): Likewise.
598         (fold_builtin_bitop): Likewise.
599         (fold_builtin_bswap): Likewise.
600         (fold_builtin_logarithm): Likewise.
601         (fold_builtin_hypot): Likewise.
602         (fold_builtin_pow): Likewise.
603         (fold_builtin_powi): Likewise.
604         (fold_builtin_exponent): Likewise.
605         (fold_builtin_memset): Likewise.
606         (fold_builtin_bzero): Likewise.
607         (fold_builtin_memory_op): Likewise.
608         (fold_builtin_bcopy): Deleted; call site changed to invoke
609         fold_builtin_memory_op directly.
610         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
611         (fold_builtin_strncpy): Likewise.
612         (fold_builtin_memcmp): Likewise.
613         (fold_builtin_strcmp): Likewise.
614         (fold_builtin_strncmp): Likewise.
615         (fold_builtin_signbit): Likewise.
616         (fold_builtin_copysign): Likewise.
617         (fold_builtin_isascii): Likewise.
618         (fold_builtin_toascii): Likewise.
619         (fold_builtin_isdigit): Likewise.
620         (fold_builtin_fabs): Likewise.
621         (fold_builtin_abs): Likewise.
622         (fold_builtin_fmin_fmax): Likewise.
623         (fold_builtin_carg): Likewise.
624         (fold_builtin_classify): Likewise.
625         (fold_builtin_unordered_cmp): Likewise.
627         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
628         New functions split out from fold_builtin_1.
629         (fold_builtin_n): New.
630         (fold_builtin_varargs): New.
631         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
632         instead.
633         (fold_call_expr): New.
634         (build_function_call_expr): Rewrite to use new helper function.
635         (fold_builtin_call_list): New.
636         (build_call_expr): New.
637         (fold_builtin_call_valist): New.
638         (rewrite_call_expr): New.
639         (validate_arg): New.
640         (validate_arglist): Change parameter to be entire CALL_EXPR instead
641         of an arglist.  Change return type to bool.  Use new CALL_EXPR
642         accessors.
644         (fold_builtin_strstr):  Pass call arguments individually instead
645         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
646         accessors and constructors.  Return NULL_TREE instead of 0.
647         (fold_builtin_strchr): Likewise.
648         (fold_builtin_strrchr): Likewise.
649         (fold_builtin_strpbrk): Likewise.
650         (fold_builtin_strcat): Likewise.
651         (fold_builtin_strncat): Likewise.
652         (fold_builtin_strspn): Likewise.
653         (fold_builtin_strcspn): Likewise.
654         (fold_builtin_fputs): Likewise.
655         (fold_builtin_next_arg): Likewise.
656         (fold_builtin_sprintf): Likewise.
658         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
659         NULL_RTX instead of 0.
660         (expand_builtin_memory_chk): Likewise.
661         (maybe_emit_chk_warning): Likewise.
662         (maybe_emit_sprintf_chk_warning): Likewise.
664         (fold_builtin_object_size): Pass call arguments individually instead
665         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
666         accessors and constructors.  Return NULL_TREE instead of 0.
667         (fold_builtin_memory_chk): Likewise.
668         (fold_builtin_stxcpy_chk): Likewise.
669         (fold_builtin_strncpy_chk): Likewise.
670         (fold_builtin_strcat_chk): Likewise.
671         (fold_builtin_strcat_chk): Likewise.
672         (fold_builtin_strncat_chk): Likewise.
673         (fold_builtin_sprintf_chk): Likewise.
674         (fold_builtin_snprintf_chk): Likewise.
675         (fold_builtin_printf): Likewise.
676         (fold_builtin_vprintf): Likewise.
678         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
679         constructors.
680         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
681         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
682         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
683         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
684         (fold_unary): Likewise.
685         (fold_binary): Likewise.
686         (fold_ternary): Remove CALL_EXPR case, since they are no longer
687         ternary expressions.
688         (fold): Add logic for tcc_vl_exp.
689         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
690         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
691         (fold_build3_stat): Add assertion to flag broken interface for
692         constructing CALL_EXPRs.
693         (fold_build_call_list): New.
694         (fold_build_call_list_initializer): New.
695         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
696         constructors.
697         (fold_strip_sign_ops): Likewise.
699 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
700             Brooks Moses  <brooks.moses@codesourcery.com>
701             Lee Millward  <lee.millward@codesourcery.com>
703         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
704         accessors and dump arguments explicitly.
706         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
707         TREE_CODE_LENGTH.
708         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
709         explicitly.
710         (print_call_name): Use new CALL_EXPR accessors.
712         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
713         CALL_EXPR arguments explicitly instead of as a list.  Use
714         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
716         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
717         (vrp_visit_stmt): Likewise.
719         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
720         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
721         TREE_CODE_LENGTH.
722         (force_move_till_expr): Likewise.
724         * targhooks.c (default_external_stack_protect_fail): Use
725         build_call_expr instead of build_function_call_expr.
726         (default_hidden_stack_protect_fail): Likewise.
728         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
729         build the call.
731         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
732         and walk arguments explicitly.
734         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
735         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
736         (expand_simple_operations): Likewise.
737         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
739         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
740         of TREE_CODE_LENGTH.
741         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
743         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
744         instead of TREE_CODE_LENGTH.
746         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
747         (tree_ic_transform): Likewise.
748         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
749         parameter instead of arglist.  Fix callers.
750         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
751         (tree_stringops_transform): Likewise.
752         (tree_indirect_call_to_profile): Likewise.
753         (tree_stringops_values_to_profile): Likewise.
755         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
756         (eliminate_tail_call): Likewise.
758         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
760         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
761         Use TREE_OPERAND_LENGTH and generalize to handle any number of
762         operands.
763         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
765         * omp-low.c (build_omp_barrier): Use build_call_expr.
766         (lower_rec_input_clauses): Likewise.
767         (lower_reduction_clauses): Likewise.
768         (expand_parallel_call): Likewise.
769         (maybe_catch_exception): Likewise.
770         (expand_omp_for_generic): Likewise.
771         (expand_omp_for_static_nochunk): Likewise.
772         (expand_omp_sections): Likewise.
773         (lower_omp_single_simple): Likewise.
774         (lower_omp_single_copy): Likewise.
775         (lower_omp_master): Likewise.
776         (lower_omp_ordered): Likewise.
777         (lower_omp_critical): Likewise.
779         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
780         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
782         * tree-gimple.c (is_gimple_call_addr): Fix doc.
783         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
784         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
786         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
787         and generalize to handle any number of operands.
788         (chrec_contains_undetermined): Likewise.
789         (tree_contains_chrecs): Likewise.
790         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
792         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
794         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
795         fold_call_expr instead of fold_builtin.
796         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
797         match declarations there.
798         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
799         updates.
801         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
802         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
804         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
805         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
807         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
808         accessors.
810         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
811         (execute_cse_sincos): Use new CALL_EXPR accessors.
813         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
815         * gimple-low.c (lower_function_body): Use build_call_expr.
816         (lower_builtin_setjmp): Likewise.
818         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
819         (set_storage_via_libcall): Likewise.
820         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
821         instead of TREE_CODE_LENGTH.
822         (expand_expr_real_1): Use new CALL_EXPR accessors.
824         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
825         generalize to handle any number of operands.
826         (TB_parent_eq): Likewise.
828         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
829         (strip_builtin_expect): Likewise.
831         * function.c (gimplify_parameters): Use build_call_expr.
833         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
834         instead of TREE_CODE_LENGTH.
836         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
837         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
839         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
840         iterators.
842         * gimplify.c (build_stack_save_restore): Use build_call_expr.
843         (gimplify_decl_expr): Likewise.
844         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
845         Use new CALL_EXPR iterators.
846         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
847         (gimplify_modify_expr_to_memset): Likewise.
848         (gimplify_variable_sized_compare): Likewise.
849         (gimplify_omp_atomic_fetch_op): Likewise.
850         (gimplify_omp_atomic_pipeline): Likewise.
851         (gimplify_omp_atomic_mutex): Likewise.
852         (gimplify_function_tree): Likewise.
854         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
855         (call_expr_flags): Likewise.
856         (expand_call): Likewise.
858         * except.c (expand_builtin_eh_return_data_regno): Pass entire
859         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
860         accessors.
862         * coverage.c (create_coverage): Use build_call_expr.
864         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
865         (temp_call_expr_obstack): New.
866         (pool_copy_list): Delete.
867         (temp_copy_call_expr): New.
868         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
869         CALL_EXPR accessors.  Get rid of special goo for copying argument
870         lists and use temp_copy_call_expr instead.
871         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
872         CALL_EXPR accessors.
873         (create_expression_by_pieces): Likewise.  Use build_call_array
874         to construct the result instead of fold_build3.
875         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
876         dealing with argument lists.
877         (init_pre): Remove references to expression_node_pool and
878         list_node_pool.  Init temp_call_expr_obstack instead.
879         (fini_pre): Remove references to expression_node_pool and
880         list_node_pool.
882         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
883         and walk arguments explicitly instead of as a list.
885         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
886         (mx_register_decls): Likewise.
887         (mudflap_register_call): Likewise.
888         (mudflap_finish_file): Likewise.
890         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
891         (ipa_callsite_compute_param): Likewise.
893         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
894         accessors and constructor.
896         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
897         accessors and constructor.
898         (convert_tramp_reference): Likewise.
899         (convert_call_expr): Likewise.
900         (finalize_nesting_tree_1): Likewise.
902         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
903         accessors.
905         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
907         * tree-inline.c (initialize_inlined_parameters): Pass entire
908         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
909         accessors.
910         (estimate_num_insns_1): Use new CALL_EXPR accessors.
911         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
913         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
914         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
915         (vectorizable_reduction): Likewise.
916         (vectorizable_call): Use new CALL_EXPR iterators.
917         (vectorizable_conversion): Use build_call_expr.
918         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
919         (vect_gen_widened_results_half): Use build_call_expr.
920         (vect_setup_realignment): Likewise.
921         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
923         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
924         (pass_through_call): Likewise.
925         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
926         fold_builtin.
928         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
929         (tree_gen_pow2_profiler): Likewise.
930         (tree_gen_one_value_profiler): Likewise.
931         (tree_gen_ic_func_profiler): Likewise.
932         (tree_gen_average_profiler): Likewise.
933         (tree_gen_ior_profiler): Likewise.
935         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
936         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
937         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
939         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
940         of TREE_CODE_LENGTH.
942         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
943         of TREE_CODE_LENGTH.
945         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
946         constructor.
947         (convert_to_integer): Likewise.
949         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
950         accessors.
952 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
953             Brooks Moses  <brooks.moses@codesourcery.com>
954             Lee Millward  <lee.millward@codesourcery.com>
956         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
957         accessors.
958         * config/frv/frv.c (frv_expand_builtin): Likewise.
959         * config/s390/s390.c (s390_expand_builtin): Likewise.
961         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
962         (sparc_expand_builtin): Use new CALL_EXPR accessors.
964         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
965         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
966         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
967         (ix86_expand_store_builtin): Likewise.
968         (ix86_expand_unop_builtin): Likewise.
969         (ix86_expand_unop1_builtin): Likewise.
970         (ix86_expand_sse_compare): Likewise.
971         (ix86_expand_sse_comi): Likewise.
972         (ix86_expand_vec_init_builtin): Likewise.
973         (ix86_expand_vec_ext_builtin): Likewise.
974         (ix86_expand_vec_set_builtin): Likewise.
975         (ix86_expand_builtin): Use new CALL_EXPR accessors.
977         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
978         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
980         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
981         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
982         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
984         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
985         build_call_expr.
986         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
987         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
988         arglist.  Use new CALL_EXPR accessors.  Fix callers.
989         (altivec_expand_abs_builtin): Likewise.
990         (rs6000_expand_binop_builtin): Likewise.
991         (altivec_expand_predicate_builtin): Likewise.
992         (altivec_expand_lv_builtin): Likewise.
993         (spe_expand_stv_builtin): Likewise.
994         (altivec_expand_stv_builtin): Likewise.
995         (rs6000_expand_ternop_builtin): Likewise.
996         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
997         (altivec_expand_st_builtin): Likewise.
998         (altivec_expand_dst_builtin): Likewise.
999         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1000         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1001         (altivec_expand_vec_set_builtin): Likewise.
1002         (altivec_expand_vec_ext_builtin): Likewise.
1003         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1004         (spe_expand_builtin): Likewise.
1005         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1006         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1007         (spe_expand_evsel_builtin): Likewise.
1008         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1009         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1011         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1012         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1013         (arm_expand_unop_builtin): Likewise.
1014         (arm_expand_builtin): Use new CALL_EXPR accessors.
1016         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1017         accessors.
1019         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1020         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1021         (bfin_expand_unop_builtin): Likewise.
1022         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1024 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1025             Brooks Moses  <brooks.moses@codesourcery.com>
1026             Lee Millward  <lee.millward@codesourcery.com>
1028         * c-semantics.c (build_stmt): Add internal diagnostic check.
1030         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1031         accessors.  Print arguments explicitly instead of as a list.
1033         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1035         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1036         (c_finish_omp_flish): Likewise.
1038         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1039         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1040         instead of TREE_CODE_LENGTH.
1041         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1042         (c_warn_unused_result): Likewise.
1044 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1046         PR c/26494
1047         * doc/invoke.texi (Warning Options): Remove
1048         -Werror-implicit-function-declaration.
1049         (Wimplicit-function-declaration): Update description.
1050         * opts.c (common_handle_option): Move handling of -Werror=* to...
1051         (enable_warning_as_error): ...here.
1052         * opts.h (enable_warning_as_error): Declare.
1053         * c-decl.c (implicit_decl_warning): Unless
1054         -Wno-implicit-function-declaration is given, emit a pedwarn if
1055         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1056         * c.opt (Wimplicit-function-declaration): Replace
1057         mesg_implicit_function_declaration with
1058         warn_implicit_function_declaration.
1059         * c-opts.c (c_common_handle_option):
1060         -Werror-implicit-function-declaration is exactly equal as
1061         -Werror=implicit-function-declaration.
1062         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1063         warn_implicit_function_declaration.
1064         (c_common_post_options): -Wimplict-function-declaration is enabled
1065         by default by -std=c99, otherwise is disabled by default.
1066         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1068 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1070         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1071         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1072         former is ignored but not the latter.
1074 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1076         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1077         is made and the reference doesn't use the alias set of its type,
1078         do not create the temporary using that type.
1080 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1082         * jump.c: Remove prototypes for delete_computation and
1083         delete_prior_computation.
1085 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1087         * jump.c (get_label_after): Delete.
1088         (get_label_before, delete_computation, delete_jump,
1089         delete_prior_computation, follow_jumps): Move...
1090         * reorg.c (delete_computation, delete_prior_computation): ... here...
1091         (get_label_before, delete_jump): ... making these static ...
1092         (follow_jumps): ... and simplifying this since it only runs after
1093         reload.
1094         * rtl.h (get_label_after, get_label_before, delete_jump,
1095         follow_jumps): Delete prototypes.
1097 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1099         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1101 2007-02-15  Nick Clifton  <nickc@redhat.com>
1103         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1104         order to prevent it from being munged by the target.
1106 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1108         * config/i386/i386.md: Remove misleading comment.
1110 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1112         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1113         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1114         invalid patterns.
1116 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1118         * tree-sra.c (instantiate_missing_elements): Canonicalize
1119         bit-field types.
1120         (sra_build_assignment): New.
1121         (generate_copy_inout, generate_element_copy,
1122         generate_element_zero, generate_one_element_init): Use it.
1124 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1126         * tree-sra.c (instantiate_missing_elements): Canonicalize
1127         bit-field types.
1128         (sra_build_assignment): New.
1129         (generate_copy_inout, generate_element_copy,
1130         generate_element_zero, generate_one_element_init): Use it.
1132 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1134         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1135         limbo die nodes.
1137 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1139         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1140         types as aggregates not scalars.
1141         * function.c (assign_stack_temp_for_type): Likewise.
1143 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1144             Zdenek Dvorak  <dvorakz@suse.cz>
1146         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1147         name.
1149 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1151         * passes.c (next_pass_1): Clear the next field of the copied
1152         pass structure.
1154 2007-02-14  Richard Henderson  <rth@redhat.com>
1156         * tree-sra.c (early_sra): New.
1157         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1158         (tree_sra_early, pass_sra_early): New.
1159         * tree-pass.h (pass_sra_early): Declare.
1160         * passes.c (init_optimization_passes): Use it.
1162 2007-02-14  Richard Guenther  <rguenther@suse.de>
1164         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1166 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1168          PR tree-optimization/30771
1169         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1170         also phi nodes.
1171         (vect_analyze_operations): Induction phis can now be marked as
1172         used_in_loop.
1173         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1174         Update documentation accordingly.
1176 2007-02-14  Nick Clifton  <nickc@redhat.com>
1178         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1179         most 3 arguments are supported.
1180         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1182 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1184         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1185         Ensure dst->current is valid.
1187 2007-02-13  Paul Brook  <paul@codesourcery.com>
1189         * config.gcc: Add arm*-*-uclinux-*eabi.
1190         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1191         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1192         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1193         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1194         (LINK_SPEC): Define.
1195         (LIB_SPEC): Define.
1196         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1197         register.
1198         * config/arm/uclinux-eabi.h: New file.
1199         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1200         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1201         based targets.
1203 2007-02-13  Ian Lance Taylor  <iant@google.com>
1205         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1206         * flags.h (warn_strict_overflow): Declare.
1207         (enum warn_strict_overflow_code): Define.
1208         (issue_strict_overflow_warning): New static inline function.
1209         * opts.c (warn_strict_overflow): New variable.
1210         (common_handle_option): Handle OPT_Wstrict_overflow and
1211         OPT_Wstrict_overflow_.
1212         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1213         OPT_Wall.
1214         * fold-const.c: Include intl.h.
1215         (fold_deferring_overflow_warnings): New static variable.
1216         (fold_deferred_overflow_warning): New static variable.
1217         (fold_deferred_overflow_code): New static variable.
1218         (fold_defer_overflow_warnings): New function.
1219         (fold_undefer_overflow_warnings): New function.
1220         (fold_undefer_and_ignore_overflow_warnings): New function.
1221         (fold_deferring_overflow_warnings_p): New function.
1222         (fold_overflow_warning): New static function.
1223         (make_range): Add strict_overflow_p parameter.  Change all
1224         callers.
1225         (extract_muldiv, extract_muldiv_1): Likewise.
1226         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1227         tree_expr_nonnegative_p.
1228         (fold_negate_expr): Call fold_overflow_warning.
1229         (fold_range_test): Likewise.
1230         (fold_comparison): Likewise.
1231         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1232         instead of tree_expr_nonnegative_p.
1233         (tree_expr_nonnegative_warnv_p): Rename from
1234         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1235         (tree_expr_nonnegative_p): New function.
1236         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1237         strict_overflow_p parameter.
1238         (tree_expr_nonzero_p): New function.
1239         * passes.c (verify_interpass_invariants): New static function.
1240         (execute_one_pass): Call it.
1241         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1242         warnings.
1243         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1244         (estimate_numbers_of_iterations): Likewise.
1245         (scev_probably_wraps_p): Likewise.
1246         * tree-ssa-ccp.c: Include "toplev.h".
1247         (evaluate_stmt): Defer fold overflow warnings until we know we are
1248         going to optimize.
1249         (struct fold_stmt_r_data): Add stmt field.
1250         (fold_stmt_r): Defer fold overflow warnings until we know we
1251         optimized.
1252         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1253         (fold_stmt_inplace): Likewise.
1254         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1255         (cleanup_control_expr_graph): Defer fold overflow warnings until
1256         we know we are going to optimize.
1257         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1258         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1259         Likewise.
1260         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1261         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1262         * tree-ssa-loop-manip.c (create_iv): Likewise.
1263         * c-typeck.c (build_conditional_expr): Likewise.
1264         (build_binary_op): Likewise.
1265         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1266         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1267         (extract_range_from_unary_expr): Likewise.
1268         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1269         assuming that signed overflow does not occur.
1270         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1271         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1272         (fold_defer_overflow_warnings): Declare.
1273         (fold_undefer_overflow_warnings): Declare.
1274         (fold_undefer_and_ignore_overflow_warnings): Declare.
1275         (fold_deferring_overflow_warnings_p): Declare.
1276         (tree_expr_nonzero_warnv_p): Declare.
1277         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1278         of warning options.
1279         (Warning Options): Document -Wstrict-overflow.
1280         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1281         (tree-ssa-ccp.o): Likewise.
1282         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1283         (fold-const.o): Depend on intl.h.
1285 2007-02-13  Ian Lance Taylor  <iant@google.com>
1287         PR middle-end/30751
1288         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1289         addresses.
1291 2007-02-13  Stuart Hastings  <stuart@apple.com>
1293         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1295 2007-02-13  Richard Henderson  <rth@redhat.com>
1297         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1298         handled_component_p before looking for the indirect_ref.
1300 2007-02-13  Richard Henderson  <rth@redhat.com>
1302         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1303         remove flags clobber.
1304         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1305         (bswaphi_lowpart): New.
1306         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1307         remove TARGET_BSWAP test.  Delete expander of the same name.
1309         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1310         (expand_unop): Use them.
1312 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1314         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1315         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1316         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1317         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1318         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1319         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1320         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1321         assembler dialect choice from asm templates.
1323 2007-02-12  Richard Henderson  <rth@redhat.com>
1325         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1326         (fixuns_trunc<SSEMODEF>si2): Use it.
1327         * config/i386/sse.md (vec_setv4sf_0): Export.
1328         * config/i386/i386.c (ix86_build_const_vector): Export.
1329         (ix86_split_convert_uns_si_sse): Rename from
1330         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1331         * config/i386/i386-protos.h: Update.
1333 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1335         PR c/29521
1336         * c-typeck.c (c_finish_return): Improve warning message.
1338 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1340         * alias.c (find_symbolic_term): Delete unused function.
1342 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1344         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1345         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1346         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1348 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1350         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1351         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1352         the function, temporarily point the debug interface to the null one.
1354 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1356         * dwarf2out.c (round_up_to_align): New static function.
1357         (field_byte_offset): Use it to round the offset.
1359 2007-02-12  Richard Henderson  <rth@redhat.com>
1361         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1362         (inswl_const): Export.
1364 2007-02-12  Richard Henderson  <rth@redhat.com>
1366         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1367         result mode of the libcall, convert back to outmode.
1369 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1371         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1372         (bswapdi2): New define_expand to implement 32-bit implementation.
1374 2007-02-12  Nick Clifton  <nickc@redhat.com>
1376         * doc/invoke.texi (Overall Options): Document --help=.
1377         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1378         (cc1_options): Pass --help= on to cc1.
1379         (display_help): Add description of --help=.
1380         (process_command): Add code to handle --help=.  Allow translated
1381         --help and --target-help switches to be passed on to compiler
1382         sub-process.
1383         (main): Remove unused if statement.
1384         * opts.c (columns): Remove.
1385         (LEFT_COLUMN): Define.
1386         (wrap_help): Add columns argument.
1387         (print_filtered_help): Change parameters to be an include bitmask,
1388         an exclude bitmask, an any bitmask and the column width.  Move the
1389         code to display the params list here.  Add code to display the
1390         status of options rather than their descriptions if the quiet flag
1391         is not active.
1392         (print_specific_help): Change parameters to be an include bitmask,
1393         an exclude bitmask and an any bitmask.  Move code to look up the
1394         column width here.  Decide upon the title for an options listing.
1395         (common_handle_options): Add code to handle --help=.  Adapt code
1396         for --help and --target-help to use the revised form of the
1397         print_specific_help function.
1398         (print_help): Delete.
1399         (print_param_help): Delete.
1400         (print_switch): Delete.
1401         * opts.h (cl_lang_count): Add prototype.
1402         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1403         CL_MAX_OPTION_CLASS): New defines.
1404         * optc-gen.awk: Add construction of cl_lang_count.
1405         * c.opt: Add Warning attribute to warning options and Optimization
1406         attribute to optimization options.
1407         * common.opt: Likewise.
1408         Add --help=.
1409         Add -fhelp and -ftarget-help as aliases for the transformed --help
1410         and --target-help options.
1411         * opt-functions.awk: Add code to handle Warning and Optimization
1412         attributes.
1414 2007-02-12  Richard Henderson  <rth@redhat.com>
1416         * config/alpha/constraints.md: New file.
1417         * config/alpha/alpha.c: Include tm-constrs.h.
1418         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1419         alpha_extra_constraint): Remove.
1420         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1421         * config/alpha/alpha-protos.h: Update.
1422         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1423         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1424         (EXTRA_CONSTRAINT): Remove.
1425         * config/alpha/alpha.md: Include constraints.md.
1426         (adddi splitter): Use satisfies_constraint_*.
1427         * config/alpha/predicates.md (add_operand): Likewise.
1428         (sext_add_operand, addition_operation): Likewise.
1430 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1432         PR tree-optimization/29145
1433         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1434         in our handling of restrict qualified pointers.
1436 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1438         PR middle-end/7651
1439         * doc/invoke.texi (Wunused-value): Update description.
1440         (Wextra): Delete item.
1441         * opts.c (set_Wextra): Don't use the value of Wextra to set the
1442         value of Wunused-value.
1443         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1444         (c_finish_stmt_expr): Don't check extra_warnings.
1445         (emit_side_effect_warnings): The caller is responsible to check
1446         warn_unused_value.
1448 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1449             Matt Thomas  <matt@3am-software.com>
1451         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1453 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1455         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1456         comparisons of POPCOUNT against zero.
1457         (simplify_const_relational_operation): Likewise.
1459 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1461         * doc/invoke.texi (Wextra): Delete outdated paragraph.
1463 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1465         * dwarf2out.c (root_type): Delete unused function.
1467 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1469         * genattrtab.c (contained_in_p): Delete unused function.
1470         (write_expr_attr_cache): Likewise.
1472 2007-02-11  Jan Hubicka  <jh@suse.cz>
1474         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1475         previous patch.
1477 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
1479         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
1480         to add the REG_EQ* note.
1481         * see.c (see_merge_one_use_extension): Likewise.
1482         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
1483         turn REG_EQUAL notes into REG_EQUIV notes if the target
1484         register may have more than one set.
1485         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
1486         * gcse.c (try_replace_reg): Likewise.
1487         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
1488         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
1489         more than one REG_EQUIV note.
1490         * reload1.c (gen_reload): Use set_unique_reg_note.
1492 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
1494         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
1495         (ix86_builtin_conversion): New function.
1497 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
1499         PR target/29487
1500         * tree.h (DECL_REPLACEABLE_P): New macro.
1501         * except.c (set_nothrow_function_flags): Likewise.
1503 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
1504             Ira Rosen  <irar@il.ibm.com>
1505             Dorit Nuzman  <dorit@il.ibm.com>
1507         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
1508         * targhooks.c (default_builtin_vectorized_conversion): New.
1509         * targhooks.h (default_builtin_vectorized_function): New declaration.
1510         * target.h (struct vectorize): Add builtin_conversion field.
1511         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
1512         stmt_vec_info_type value.
1513         (vectorizable_conversion): New declaration.
1514         * tree-vect-analyze.c (vect_analyze_operations): Add
1515         vectorizable_conversion call.
1516         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
1517         * tree-vect-transform.c (vectorizable_conversion): New function.
1518         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
1519         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1520         mode.
1521         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
1522         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
1523         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
1524         or ALTIVEC_BUILTIN_VCFSX.
1526 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1528         PR target/30634
1529         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
1530         CONST_DOUBLE and operand 0 is a hard register.
1531         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
1532         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
1533         is a hard floating-point register.
1535 2007-02-10  Richard Henderson  <rth@redhat.com>
1536             Jakub Jelinek  <jakub@redhat.com>
1537             Alexandre Oliva  <aoliva@redhat.com>
1539         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
1540         * builtin-types.def (BT_WORD): Make unsigned.
1541         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1542         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1543         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1544         * c-decl.c (grokdeclarator): Don't error if !have_tls.
1545         * c-parser.c (c_parser_omp_threadprivate): Likewise.
1546         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1547         emulated tls.
1548         * expr.c (emutls_var_address): New.
1549         (expand_expr_real_1): Expand emulated tls.
1550         (expand_expr_addr_expr_1): Likewise.
1551         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1552         * output.h (emutls_finish): Declare.
1553         * toplev.c (compile_file): Call it.
1554         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1555         address before wrapping in CONST.
1556         * varasm.c (emutls_htab, emutls_object_type): New.
1557         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1558         (get_emutls_object_name, get_emutls_object_type): New.
1559         (get_emutls_init_templ_addr, emutls_decl): New.
1560         (emutls_common_1, emutls_finish): New.
1561         (assemble_variable): When emulating tls, swap decls; generate
1562         constructor for the emutls objects.
1563         (do_assemble_alias): When emulating tls, swap decl and target name.
1564         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1565         for emulated tls.
1566         * varpool.c (decide_is_variable_needed): Look at force_output.
1567         Recurse for emulated tls.
1568         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
1569         with decide_is_variable_needed.
1570         * emutls.c: New file.
1571         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1572         tls_object for real tls.
1574 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1576         PR rtl-optimization/29599
1577         * reload1.c (eliminate_regs_in_insn): Take the destination
1578         mode into account when computing the offset.
1580 2007-02-09  Stuart Hastings  <stuart@apple.com>
1581             Richard Henderson  <rth@redhat.com>
1583         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1584         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1585         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
1586         fixuns_truncdfhi2): New.
1587         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
1588         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
1589         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
1590         (floatunssidf2): Allow nonimmediate source.
1591         * gcc/config/i386/sse.md (movdi_to_sse): New.
1592         (vec_concatv2di): Drop '*'.
1593         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
1594         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1595         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
1596         New.
1597         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
1598         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1599         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
1600         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
1601         (ix86_build_signbit_mask): Fix decl of v, refactor to call
1602         ix86_build_const_vector.
1603         (x86_emit_floatuns): Rewrite.
1605 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1607         * genautomata.c (longest_path_length): Delete unused function.
1608         (struct state): Delete unused longest_path_length.
1609         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
1610         (get_free_state): Delete unused.
1612 2007-02-09  Jan Hubicka  <jh@suse.cz>
1614         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
1615         * doc/invoke.texi (inline-unit-growth): Update default value.
1617         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
1618         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
1619         (rebuild_cgraph_edges): Likewise.
1620         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
1621         (dump_cgraph_node): Dump frequencies.
1622         (cgraph_clone_edge): Add frequency scales.
1623         (cgraph_clone_node): Add freuqnecy.
1624         * cgraph.h (cgraph_edge): Add freuqnecy argument.
1625         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
1626         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
1627         * tree-pass.h (TODO_rebuild_frequencies): New constant.
1628         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
1629         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
1630         (save_inline_function_body): Likewise.
1631         * ipa-inline.c: inluce rtl.h
1632         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
1633         (cgraph_edge_badness): Use frequencies.
1634         (cgraph_decide_recursive_inlining): Update clonning.
1635         (cgraph_decide_inlining_of_small_function): Dump frequency.
1636         * predict.c (estimate_bb_frequencies): Export.
1637         * predict.h (estimate_bb_frequencies): Declare.
1638         * tree-inline.c (copy_bb): Watch overflows.
1639         (expand_call_inline): Update call of cgraph_create_edge.
1640         (optimize_inline_calls): Use TODO flags to update frequnecies.
1641         * passes.h: Include predict.h
1642         (init_optimization_passes): Move profile ahead.
1643         (execute_function_todo): Handle TODO_rebuild_frequencies.
1645 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1647         * config/alpha/alpha.c (emit_insxl): Force the first operand of
1648         the insbl or inswl pattern into a register.
1650 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1652         * config/ia64/ia64.md (bswapdi2): New define_insn.
1654 2007-02-09  Richard Henderson  <rth@redhat.com>
1656         * config/i386/constraints.md (Ym): New constraint.
1657         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
1658         (movdi_1_rex64): Split sse and xmm general register moves from
1659         memory move alternatives.  Use conditional register constraints.
1660         (movsf_1, movdf_integer): Likewise.
1661         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
1662         (movdf_integer_rex64): New.
1663         (pushsf_rex64): Fix output constraints.
1664         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
1665         (sse2_stored): Likewise.
1666         (sse2_storeq_rex64): New.
1667         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
1668         amd and not generic.
1669         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
1670         for optimize_size.  Remove SF/DFmode hack.
1672 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1674         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
1675         (bit_SSE4a): New.
1677 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
1678             Richard Sandiford  <richard@codesourcery.com>
1680         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
1681         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
1682         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
1683         m68k/t-mlib to tmake_file.
1684         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
1685         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
1686         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
1687         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
1688         variable is not empty, add t-$m68k_arch_family to tmake_file.
1689         Add t-mlibs to tmake_file.
1690         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
1691         * config/m68k/t-cf: New file.
1692         * config/m68k/t-m68k: Likewise.
1693         * config/m68k/t-mlibs: Likewise.
1694         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1695         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1696         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1697         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1698         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
1699         Delete.
1700         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
1701         (INSTALL_LIBGCC): Delete.
1702         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1703         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1704         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1705         (M68K_MLIB_CPU): Define.
1706         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1707         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1708         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
1710 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1711             Richard Guenther  <rguenther@suse.de>
1713         PR middle-end/23361
1714         * fold-const.c (fold_comparison): Handle obfuscated comparisons
1715         against INT_MIN/INT_MAX.
1716         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
1717         file if a loop is removed.
1719 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
1721         * calls.c (store_one_arg): Pass correct alignment to
1722         emit_push_insn for non-BLKmode values.
1723         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
1724         unaligned stack slot via a suitably aligned slot.
1726 2007-02-08  DJ Delorie  <dj@redhat.com>
1728         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
1729         warnings.
1730         (legal_subregs): Use unsigned char, make const.
1731         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
1733 2007-02-08  Paul Brook  <paul@codesourcery.com>
1735         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
1736         special interworking needed.
1738 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
1740         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
1741         conditional to __SSE2__.
1742         (Entries below should have been added to first ChangeLog
1743         entry for amdfam10 dated 2007-02-05)
1744         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
1745         defined.
1746         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
1747         defined.
1748         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
1749         defined.
1751 2007-02-08  DJ Delorie  <dj@redhat.com>
1753         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
1754         * config/m32c/m32c.c (legal_subregs): New.
1755         (m32c_illegal_subreg_p): New.
1756         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
1757         unsupported subregs of hard regs.
1759 2007-02-08  Jan Hubicka  <jh@suse.cz>
1761         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
1762         the same one; always update histograms.
1764 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
1766         * passes.c (init_optimization_passes): Tidy comment.
1768 2007-02-08  Roger Sayle  <roger@eyesopen.com>
1770         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
1771         strip zero_extend, bswap and rotates from POCOUNT's argument.
1772         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
1773         zero_extend and rotates from PARITY's argument.
1774         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
1775         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
1776         of an integer constant at compile-time.
1778 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
1780         PR 30562
1781         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
1782         Update all users.
1783         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
1784         users.
1785         (init_alias_info):
1786         * tree-ssa-live.c (remove_unused_locals): Do not remove
1787         TREE_ADDRESSABLE variables.
1788         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
1789         * tree-ssa-operands.c (add_virtual_operand): Remove argument
1790         FOR_CLOBBER.  Update all users.
1791         If VAR has an associated alias set, add a virtual operand for
1792         it if no alias is found to conflict with the memory reference.
1794 2007-02-07  Jan Hubicka  <jh@suse.cz>
1795             Robert Kidd <rkidd@crhc.uiuc.edu>
1797         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
1799 2007-02-07  Ian Lance Taylor  <iant@google.com>
1801         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
1803 2007-02-07  Roger Sayle  <roger@eyesopen.com>
1805         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
1806         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
1807         tablejumpdi, movsi_to_cr_one): Remove constraints from
1808         define_expand's match_operands.
1810 2007-02-07  Roger Sayle  <roger@eyesopen.com>
1812         * global.c (compute_regsets): Move declatation of "i" inside of
1813         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
1815 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
1817         PR c++/30703
1818         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
1819         of INDIRECT_REF <RESULT_DECL>.
1821         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
1823 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
1824             Kaz Kojima  <kkojima@gcc.gnu.org>
1826         PR target/29746
1827         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
1828         properly.
1829         (sh_initialize_trampoline): Add parentheses to avoid a warning.
1831 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
1833         * doc/loop.texi: Document possibility not to perform disambiguation
1834         of loops with multiple latches.
1835         * cfgloopmanip.c (alp_enum_p): Removed.
1836         (add_loop): Handle subloops.  Use get_loop_body_with_size.
1837         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
1838         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
1839         the new forwarder block.
1840         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
1841         Handle the case latch is NULL.
1842         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
1843         when marking loop exits.
1844         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
1845         be modified.
1846         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
1847         disambiguate_loops_with_multiple_latches.
1848         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
1849         before fix_loop_structure.
1850         * cfgloop.c: Include pointer-set.h and output.h.
1851         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
1852         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
1853         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
1854         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
1855         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
1856         disambiguate_multiple_latches, get_loop_body_with_size,
1857         disambiguate_loops_with_multiple_latches): New functions.
1858         (flow_loop_dump): Dump multiple latch edges.
1859         (flow_loop_nodes_find): Handle loops with multiple latches.
1860         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
1861         (glb_enum_p): Modified.
1862         (get_loop_body): Use get_loop_body_with_size.
1863         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
1864         (AVOID_CFG_MODIFICATIONS): New constant.
1865         (disambiguate_loops_with_multiple_latches, add_loop,
1866         get_loop_body_with_size): Declare.
1867         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
1869 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
1871         PR inline-asm/28686
1872         * global.c (compute_regsets): New function.
1873         (global_alloc): Refactored ELIMINABLE_REGSET
1874         and NO_GLOBAL_ALLOC_REGS computation out.
1875         (rest_of_handle_global_alloc): Call compute_regsets()
1876         for non-optimizing case.
1878 2007-02-06  Richard Henderson  <rth@redhat.com>
1880         * config/i386/constraints.md (Y2): Rename from Y.
1881         (Yi): New constraint.
1882         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
1883         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
1884         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
1885         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
1886         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
1887         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
1888         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
1889         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
1890         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
1891         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
1892         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
1893         vec_extractv2si_1): Change Y constraints to Y2.
1894         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
1895         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
1896         Change Y constraints to Y2.
1897         (sse2_loadld): Change Y constraints to x.
1899 2007-02-06  Roger Sayle  <roger@eyesopen.com>
1901         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
1902         (parity<mode>2): New define_expand using rs6000_emit_parity.
1903         * config/rs6000/rs6000.c (rs6000_emit_popcount,
1904         rs6000_emit_parity): New functions.
1905         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
1906         rs6000_emit_parity): Prototype here.
1908 2007-02-06  Ian Lance Taylor  <iant@google.com>
1910         * lower-subreg.c (simple_move_operand): Reject CONST.
1911         (resolve_clobber): Call validate_change rather than directly
1912         assigning to XEXP (pat, 0).
1914 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
1916         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
1917         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
1918         (tree-cfg.o): Remove hashtab.h dependency.
1920         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
1921         (struct ivopts_data): Change niters to pointer_map_t.
1922         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
1923         (niter_for_exit): Create pointer_map on demand.  Change for
1924         pointer_map API.
1925         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
1926         (free_loop_data): Destroy data->niters if created and reset field.
1927         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
1928         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
1930         * tree-ssa-reassoc.c: Include pointer-set.h.
1931         (bb_rank): Change to long *.
1932         (operand_rank): Change to pointer_map_t.
1933         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
1934         (insert_operand_rank): Accept long.
1935         (operand_entry_hash, operand_entry_eq): Remove.
1936         (get_rank): Return long.  Adjust for changes above.
1937         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
1938         and operand_rank.
1939         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
1941         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
1942         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
1943         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
1944         is not NULL.
1945         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
1946         directly since it cannot be NULL.
1947         (get_vi_for_tree): Rewrite for pointer_map API.
1948         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
1949         (init_alias_vars): Create vi_for_tree as pointer_map.
1950         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
1952         * tree-cfg.c: Don't include hashtab.h.
1953         (edge_to_cases): Declare as pointer_map.
1954         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
1955         Delete.
1956         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
1957         (start_recording_case_labels): Create edge_to_cases as pointer_map.
1958         (end_recoding_case_labels): Cleanup edge_to_cases manually before
1959         destroying it.
1960         (record_switch_edge): Delete.
1961         (get_cases_for_edge): Adjust for pointer_map API, inline
1962         record_switch_edge (rewritten for new API), remove goto.
1964 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
1966         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
1967         * tree-nested.c: Include pointer-set.h.
1968         (var_map_elt, var_map_eq, var_map_hash): Delete.
1969         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
1970         to pointer_map_t's.
1971         (nesting_info_bitmap_obstack): New.
1972         (lookup_field_for_decl): Adjust for pointer_map API.
1973         (lookup_tramp_for_decl): Adjust for pointer_map API.
1974         (get_nonlocal_debug_decl): Adjust for pointer_map API.
1975         (get_local_debug_decl): Adjust for pointer_map API.
1976         (convert_nl_goto_reference): Adjust for pointer_map API.
1977         (convert_nl_goto_receiver): Adjust for pointer_map API.
1978         (create_nesting_tree): Create outside GGC space.  Create bitmap on
1979         the new obstack.  Create field_map and var_map as pointer_maps.
1980         (free_nesting_tree): Adjust for changes to create_nesting_tree.
1981         (root): Delete.
1982         (lower_nested_functions): Move root here, no need to NULL it.
1983         Initialize and release the obstack.
1985 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
1987         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
1988         Remove prototypes and make them non-static.
1989         (struct tree_int_map): Remove.
1990         * tree.h (struct tree_int_map): Move here, turning TO into an
1991         unsigned int.
1992         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
1994         * tree.h (TREE_COMPLEXITY): Remove.
1995         (struct tree_exp): Remove complexity field.
1996         * tree.c (build1_stat): Don't set it.
1998 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
1999             Victor Kaplansky  <victork@il.ibm.com>
2001         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2002         (vect_is_simple_reduction): Support reduction with induction as
2003         one of the operands.
2004         (vect_is_simple_iv_evolution): Fix formatting.
2005         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2006         formatting.  Don't mark induction phis for vectorization.
2007         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2008         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2009         (vect_get_vec_def_for_operand): Support induction.
2010         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2011         induction case.
2012         (vectorizable_reduction): Support reduction with induction as one of
2013         the operands.
2014         (vectorizable_type_demotion): Use def-type of stmt argument rather
2015         than dummy def-type.
2017         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2018         flag_tree_scev_cprop.
2019         * common.opt (tree-scev-cprop): New flag.
2021         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2022         call to vect_get_new_vect_var.
2024 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2026         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2027         vectype is not NULL.
2028         (vect_pattern_recog_1): Likewise.
2030 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2032         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2033         (fold_negate_expr): Likewise.
2035 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2037         PR debug/30189
2038         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2039         even if cv-qualification is the same.
2041 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2043         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2044         __enable_execute_stack on completion.
2046 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2048         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2049         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2050         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2051         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2052         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2053         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2054         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2055         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2057 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2059         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2060         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2061         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2062         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2063         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2064         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2065         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2066         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2067         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2068         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2069         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2070         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2071         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2072         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2073         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2074         sqrtextenddfxf2_i387): Added amdfam10_decode.
2076         * config/i386/athlon.md (athlon_idirect_amdfam10,
2077         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2078         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2079         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2080         athlon_ivector_store_amdfam10): New define_insn_reservation.
2081         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2082         amdfam10.
2084 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2086         * config/i386/athlon.md (athlon_call_amdfam10,
2087         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2088         define_insn_reservation.
2089         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2090         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2091         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2093 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2095         * config/i386/athlon.md (athlon_sseld_amdfam10,
2096         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2097         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2099 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2101         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2102         define_insn_reservation.
2103         * config/i386/i386.md (sseins): Added sseins to define_attr type
2104         and define_attr unit.
2105         * config/i386/sse.md: Set type attribute to sseins for insertq
2106         and insertqi.
2108 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2110         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2111         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2112         ssecomi_load_amdfam10, ssecomi_amdfam10,
2113         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2114         define_insn_reservation.
2115         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2117 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2119         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2120         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2121         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2122         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2123         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2124         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2125         define_insn_reservation.
2127         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2128         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2129         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2130         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2131         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2133 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2135         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2136         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2137         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2138         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2139         athlon_ssemul_load_k8): Added amdfam10.
2141 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2143         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2144         (x86_sse_unaligned_move_optimal): New variable.
2146         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2147         m_AMDFAM10.
2148         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2149         for unaligned vector SSE double/single precision loads for AMDFAM10.
2151 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2153         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2154         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2155         Define TARGET_CPU_DEFAULT_amdfam10.
2156         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2157         (processor_type): Add PROCESSOR_AMDFAM10.
2159         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2160         processor_type in config/i386/i386.h.
2161         Enable imul peepholes for TARGET_AMDFAM10.
2163         * config.gcc: Add support for --with-cpu option for amdfam10.
2165         * config/i386/i386.c (amdfam10_cost): New variable.
2166         (m_AMDFAM10): New macro.
2167         (m_ATHLON_K8_AMDFAM10): New macro.
2168         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2169         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2170         x86_promote_QImode, x86_integer_DFmode_moves,
2171         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2172         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2173         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2174         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2175         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2176         Enable/disable for amdfam10.
2177         (override_options): Add amdfam10_cost to processor_target_table.
2178         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2179         processor_alias_table.
2180         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2181         (ix86_adjust_cost): Add code for amdfam10.
2183 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2185         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2186         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2187         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2188         * config/i386/i386.h: Add builtin definition for SSE4A.
2189         * config/i386/i386.md: Add support for ABM instructions
2190         (popcnt and lzcnt).
2191         * config/i386/sse.md: Add support for SSE4A instructions
2192         (movntss, movntsd, extrq, insertq).
2193         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2194         Add -march=amdfam10 flag.
2195         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2196         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2197         and amdfam10.
2198         * doc/extend.texi: Add documentation for SSE4A builtins.
2200 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2202         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2204 2007-02-05  Richard Guenther  <rguenther@suse.de>
2206         * tree-vectorizer.h (vectorizable_function): Add argument type
2207         argument, change return type.
2208         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2209         * tree-vect-transform.c (vectorizable_function): Handle extra
2210         argument, return vectorized function decl.
2211         (build_vectorized_function_call): Remove.
2212         (vectorizable_call): Handle calls with result and argument types
2213         differing.  Handle loop vectorization factor correctly.
2214         * targhooks.c (default_builtin_vectorized_function): Adjust for
2215         extra argument.
2216         * targhooks.h (default_builtin_vectorized_function): Likewise.
2217         * target.h (builtin_vectorized_function): Add argument type
2218         argument.
2219         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2220         extra argument, allow vectorizing of lrintf.
2221         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2222         documentation of target hook.
2224 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2226         PR target/30665
2227         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2228         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2229         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2231 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2233         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2234         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2235         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2236         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2237         before canonicalizing sincos to cexpi.
2238         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2240 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2242         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2243         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2244         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2246 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2248         * mips-tfile.c (initialize_init_file): Correct endianness test.
2250 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2252         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2253         the 'y' constraint.
2255 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2257         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2258         saves in a PARALLEL before the register assignments.
2260 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2262         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2263         DWARF_FRAME_RETURN_COLUMN to be a general register.
2264         * dwarf2out.c (init_return_column_size): New function, split from...
2265         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2266         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2267         to be nongeneral registers.
2268         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2269         integer registers.
2270         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2271         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2273 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2275         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2277 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2279         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2280         (remove_path): Use can_remove_branch_p and remove_branch instead
2281         of loop_delete_branch_edge.
2282         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2283         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2284         Update profile using scale_dominated_blocks_in_loop.
2285         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2286         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2287         (can_remove_branch_p, remove_branch): Declare.
2288         * tree-cfg.c (tree_can_remove_branch_p): New function.
2289         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2290         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2291         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2293 2007-02-05  Jan Hubicka  <jh@suse.cz>
2295         PR middle-end/30696
2296         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2297         nodes in cgraph, don't remove offline copy of the function.
2299 2007-02-04  Jan Hubicka  <jh@suse.cz>
2301         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2302         vectors might cause maybe_lookup_element_for_expr to be called
2303         on non-sra-candidate.
2305 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2307         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2308         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2309         spelling conventions.
2311 2007-02-04  Richard Guenther  <rguenther@suse.de>
2313         PR middle-end/30636
2314         * fold-const.c (try_move_mult_to_index): Make sure to not
2315         overflow one dimension of a multi-dimensional array access.
2317 2007-02-04  Jan Hubicka  <jh@suse.cz>
2319         * passes.c (init_optimization_passes): Reindent.
2321 2007-02-04  Jan Hubicka  <jh@suse.cz>
2322             Eric Botcazou  <ebotcazou@adacore.com>
2324         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2325         (execute_fixup_cfg): Break out the abnormal goto code.
2326         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2327         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2328         (optimize_inline_calls): Call make_nonlocal_label_edges.
2330 2007-02-04  Jan Hubicka  <jh@suse.cz>
2332         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2333         true when something was changed.
2334         (rename_ssa_copies): When something was changed, do
2335         TODO_remove_unused_locals.
2336         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2337         add TODO_remove_unused_locals when instruction was removed.
2339 2007-02-04  Jan Hubicka  <jh@suse.cz>
2341         * ipa-inline.c (try_inline): Improve debug output; work on already
2342         inline edges too.
2343         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2344         call try_inline for already inlined edges too when flattening;
2345         inline also functions that make callee growth but overall unit size
2346         reduce.
2348 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2350         * config/m32c/bitops.md, config/m32c/jump.md,
2351         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2352         config/m32r/m32r.h, config/m32r/m32r.md,
2353         config/m32r/predicates.md, config/m68hc11/larith.asm,
2354         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2355         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2356         config/mips/mips-protos.h, config/mips/mips.c,
2357         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2358         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2359         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2360         spelling conventions.
2362         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2363         Follow spelling conventions.
2365 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2367         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2368         warn about C++0x compatibility.
2370 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2372         * config/h8300/h8300.c, config/h8300/h8300.h,
2373         config/h8300/h8300.md: Follow spelling conventions.
2375 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2377         PR middle-end/30667
2378         * combine.c (try_combine): Do not substitute source operand
2379         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2381 2007-02-03  Jan Hubicka  <jh@suse.cz>
2383         PR gcov-profile/30650
2384         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2385         do not divide by zero for never executed counters.
2386         (tree_find_values_to_profile): Fix counters.
2387         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2389 2007-02-03  Ian Lance Taylor  <iant@google.com>
2391         * lower-subreg.c (simple_move_operand): New static function,
2392         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2393         operands.
2394         (simple_move): Call simple_move_operand.
2395         (find_decomposable_subregs): Add special handling of MEMs.
2396         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2397         meaning of return value.  If we see a hard register, test whether
2398         it can store a word_mode value.  Change all callers.
2400 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2402         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2403         ftrapv insns and expanders.
2404         (subdi3): Change define_expand operand 1 to arith11_operand, and
2405         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2406         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2407         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2408         respectively.
2410         PR middle-end/30174
2411         * varasm.c (notice_global_symbol): Treat global objects as weak when
2412         flag_shlib is true.
2414 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2416         * emit-rtl.c (dconstpi): Delete.
2417         (dconstsqrt2): New.
2418         (init_emit_once): Delete dconstpi and init dconstsqrt2.
2419         * real.h (dconstpi): Delete.
2420         (dconstsqrt2): New.
2421         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2422         (fold_builtin_hypot): Likewise.
2424 2007-02-03  Tom Tromey  <tromey@redhat.com>
2426         PR driver/30246
2427         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2428         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2430 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2432         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2433         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2434         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2435         config/rs6000/cell.md, config/rs6000/darwin.h,
2436         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2437         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2438         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2439         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2440         typos.  Follow spelling conventions.
2441         * doc/invoke.texi: Follow spelling conventions.
2443 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2445         * simplify-rtx.c (simplify_relational_operation_1): Implement some
2446         canonicalization transformations that attempt to simplify integer
2447         constant comparisons to become comparisons against zero.
2449 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2451         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2452         fabs(x)*sqrt(2).
2453         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
2454         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
2456 2007-02-02  Mike Stump  <mrs@apple.com>
2458         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2459         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2460         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2461         generate a branch island.
2463 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
2465         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2466         (xtensa_legitimate_address_p): New.
2467         (xtensa_legitimize_address): New.
2468         (xtensa_output_addr_const_extra): New.
2469         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2470         (BASE_REG_P): New.
2471         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2472         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2473         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2474         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2475         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
2476         (xtensa_legitimize_address): New.
2477         (xtensa_output_addr_const_extra): New.
2479 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
2481         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2483 2007-02-02  Ian Lance Taylor  <iant@google.com>
2485         * expmed.c (expand_divmod): Add comment.
2487 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
2489         * emit-rtl.c (renumber_insns): Remove.
2490         * flags.h: Remove the extern for flag_renumber_insns.
2491         * rtl.h: Remove the prototype for renumber_insns.
2492         * toplev.c (flag_renumber_insns): Remove.
2494 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
2496         Revert for x86 darwin:
2497         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
2499         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
2500         code before the following patch under TARGET_MACHO.
2501         (ix86_function_value_regno_p): Likewise.
2503 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2505         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
2506         COMPLEX_EXPR.
2508 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2510         PR target/29682
2511         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
2512         general or fp registers.  Add comments.
2513         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
2515 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
2517         * pointer-set.c (insert_aux): Only return insertion slot.
2518         (pointer_set_insert): Adjust.
2519         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
2520         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
2521         pointer_map_traverse): New.
2522         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
2523         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
2524         pointer_map_contains, pointer_map_traverse): Declare.
2526 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
2528         PR middle-end/30473
2529         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
2530         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
2532 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2534         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
2536         (struct _dep): New type.
2537         (dep_t): New typedef.
2538         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
2539         (DEP_STATUS): New access macro.  The macro with the same name was
2540         renamed to DEP_LINK_STATUS.
2541         (dep_init): Declare function
2543         (struct _dep_link): New type.
2544         (dep_link_t): New typedef.
2545         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
2546         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
2547         (DEP_LINK_STATUS): New macro.
2548         (debug_dep_links): New debug function.
2550         (struct _deps_list): New type.
2551         (deps_list_t): New typedef.
2552         (DEPS_LIST_FIRST): New access macro.
2553         (FOR_EACH_DEP_LINK): New cycle macro.
2554         (create_deps_list, free_deps_list, delete_deps_list): Declare
2555         functions.
2556         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
2557         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
2558         (copy_deps_list_change_con): Ditto.
2560         (move_dep_link): Declare function.
2562         (struct _dep_node): New type.
2563         (dep_node_t): New typedef.
2564         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
2566         (struct haifa_insn_data.back_deps): New field to hold backward
2567         dependencies of the insn.
2568         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
2569         to deps_list_t.
2570         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
2571         Change its type to deps_list_t.
2572         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
2573         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
2574         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
2576         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
2578         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
2580         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
2581         all callers.
2582         (dep_cost): Declare.
2584         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
2585         (ds_to_dk, dk_to_ds): New functions.
2587         (init_dep_1): New static function.
2588         (init_dep): New function.
2589         (copy_dep): New static function.
2591         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
2592         functions.
2593         (detach_dep_link): New static function.
2594         (move_dep_link): New function.
2596         (dep_links_consistent_p, dump_dep_links): New static functions.
2597         (debug_dep_links): New debugging function.
2599         (deps_obstack, dl_obstack, dn_obstack): New static variables.
2601         (alloc_deps_list, init_deps_list): New static functions.
2602         (create_deps_list): New function.
2603         (clear_deps_list): New static function.
2604         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
2605         (deps_list_consistent_p, dump_deps_list): New static functions.
2606         (debug_deps_list): New function.
2607         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
2608         functions.
2609         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
2611         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
2612         use new scheduler dependencies lists.
2613         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
2614         (sched_analyze): Ditto.  Initialize dependencies lists.
2615         (add_forw_dep, compute_forward_dependences): Update to use new
2616         scheduler dependencies lists.
2618         (init_dependency_caches): Init deps_obstack.
2619         (free_dependency_caches): Free deps_obstack.
2621         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
2622         new scheduler dependencies lists.
2623         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
2624         (add_back_forw_dep, delete_back_forw_dep): Ditto.
2626         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
2627         Update to use new scheduler dependencies lists.
2628         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
2629         (debug_dependencies): Ditto.
2630         (schedule_region): Update comments.
2632         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
2633         scheduler dependencies lists.
2634         (schedule_ebb): Update comments.
2636         * rtl.def (DEPS_LIST): Remove.
2638         * lists.c (unused_deps_list): Remove.
2639         (free_list): Update assertions.
2641         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
2642         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2644         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
2645         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2647         * haifa-sched.c (comments): Update.
2648         (insn_cost1): Remove.  Inline the code into insn_cost ().
2649         (insn_cost): Update to use new scheduler dependencies lists.  Move
2650         processing of the dependency cost to dep_cost ().
2651         (dep_cost): New function.  Use it instead of insn_cost () when
2652         evaluating cost of the dependency.  Use compatible interface to
2653         interact with the target.
2654         (priority): Update to use new scheduler dependencies lists.
2655         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
2656         with greater number of insns that depend on the insn.
2657         (schedule_insn): Update to use new scheduler dependencies lists.  Add
2658         code to free backward dependencies lists.  Inline and optimize code
2659         from resolve_dep () - see PR28071.
2660         (ok_for_early_queue_removal): Update to use new scheduler dependencies
2661         lists.  Update call to targetm.sched.is_costly_dependence hook.
2663         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
2664         scheduler dependencies lists.
2666         (resolve_dep): Remove.  Move the logic to schedule_insn ().
2667         (init_h_i_d): Initialize dependencies lists.
2669         (process_insn_depend_be_in_spec): Rename to
2670         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
2671         dependencies lists.
2672         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
2673         Update to use new scheduler dependencies lists.
2674         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
2676         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
2677         new scheduler dependencies lists.
2678         (build_intra_loop_deps): Ditto.
2680         * target.h (struct _dep): Declare to use in
2681         gcc_target.sched.is_costly_dependence.
2682         (struct gcc_target.sched.adjust_cost): Fix typo.
2683         (struct gcc_target.sched.is_costly_dependence): Change signature to use
2684         single dep_t parameter instead of an equivalent triad.
2685         (struct gcc_target.sched.adjust_cost_2): Remove.
2687         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
2689         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
2691         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
2692         documentation.
2693         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
2695         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
2696         (REG_DEP_TRUE): Document.
2698         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
2699         Change signature to correspond to the targetm.sched.adjust_cost hook.
2700         Update use in TARGET_SCHED_ADJUST_COST_2.
2701         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
2702         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
2703         new scheduler dependencies lists.
2704         (ia64_gen_check): Ditto.
2706         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
2707         dependencies lists.
2709         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
2710         signature to correspond to the targetm.sched.is_costly_dependence hook.
2711         (is_costly_group): Update to use new scheduler dependencies lists.
2713         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
2714         instead of INSN_COST () macro.
2716 2007-02-01  Ian Lance Taylor  <iant@google.com>
2718         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
2720 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
2722         * pa.md (tp_load): Correct mfctl instruction syntax.
2724 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
2726         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
2727         altivec_padding_size calculation on AIX.  Improve comment, add
2728         assert to verify that it's right.
2730         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
2731         64-bit.
2733 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
2735         PR inline-asm/28686
2736         * global.c (global_alloc): Add mising initialization of
2737         ELIMINABLE_REGSET.
2739 2007-02-01  Roger Sayle  <roger@eyesopen.com>
2741         * alias.c (init_alias_analysis): Correct whitespace.
2742         * bb-reorder.c (fix_edges_for_rarely_executed_code,
2743         partition_hot_cold_basic_blocks): Likewise.
2744         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2745         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
2746         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2747         fold_builtin_snprintf_chk, fold_builtin_printf,
2748         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
2749         do_mpfr_arg3, do_mpfr_sincos): Likewise.
2750         * cfgcleanup.c (cleanup_cfg): Likewise.
2751         * cfgexpand.c (tree_expand_cfg): Likewise.
2752         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
2753         * function.c (get_next_funcdef_no): Likewise.
2754         * gengtype.c (main): Likewise.
2755         * genmodes.c (main): Likewise.
2756         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
2757         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
2758         * ifcvt.c (noce_emit_move_insn): Likewise.
2759         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
2760         Likewise.
2761         * stor-layout.c (get_best_mode): Likewise.
2762         * tree-ssa-loop-niter.c (get_val_for): Likewise.
2763         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
2764         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
2765         perform_var_substitution, solve_graph): Likewise.
2766         * tree-vrp.c (vrp_finalize): Likewise.
2768 2007-02-01  Ian Lance Taylor  <iant@google.com>
2770         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
2771         high part of a paradoxical subreg, return a constant zero.
2773 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
2775         * toplev.c (lang_dependent_init): Call init_set_costs.
2776         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
2778 2007-02-01  Richard Guenther  <rguenther@suse.de>
2780         PR middle-end/30656
2781         * fold-const.c (fold_negate_expr): Allow negating a
2782         constant if overflow does not change.
2784 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2786         * doc/c-tree.texi (Expression trees): Improve markup.
2787         * doc/tm.texi (Register Classes, Addressing Modes)
2788         (Floating Point): Fix spacing after abbreviations.  Fix some
2789         typos.
2791 2007-02-01  Ben Elliston  <bje@au.ibm.com>
2793         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
2794         * doc/contrib.texi: Likewise.
2795         * doc/install.texi: Likewise.
2797 2007-01-31  Richard Henderson  <rth@redhat.com>
2798             Ian Lance Taylor  <iant@google.com>
2800         * lower-subreg.c: New file.
2801         * rtl.def (CONCATN): Define.
2802         * passes.c (init_optimization_passes): Add pass_lower_subreg and
2803         pass_lower_subreg2.
2804         * emit-rtl.c (update_reg_offset): New static function, broken out
2805         of gen_rtx_REG_offset.
2806         (gen_rtx_REG_offset): Call update_reg_offset.
2807         (gen_reg_rtx_offset): New function.
2808         * regclass.c: Revert patch of 2006-03-05, restoring
2809         reg_scan_update.
2810         (clear_reg_info_regno): New function.
2811         * dwarf2out.c (concatn_loc_descriptor): New static function.
2812         (loc_descriptor): Handle CONCATN.
2813         * common.opt (fsplit_wide_types): New option.
2814         * opts.c (decode_options): Set flag_split_wide_types when
2815         optimizing.
2816         * timevar.def (TV_LOWER_SUBREG): Define.
2817         * rtl.h (gen_reg_rtx_offset): Declare.
2818         (reg_scan_update): Declare.
2819         * regs.h (clear_reg_info_regno): Declare.
2820         * tree-pass.h (pass_lower_subreg): Declare.
2821         (pass_lower_subreg2): Declare.
2822         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
2823         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
2824         -fsplit-wide-types.
2825         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
2826         * Makefile.in (OBJS-common): Add lower-subreg.o.
2827         (lower-subreg.o): New target.
2829 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
2831         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
2833 2007-01-31  Anatoly Sokolov <aesok@post.ru>
2835         PR target/19087
2836         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
2838 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2840         PR middle-end/29335
2841         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
2843 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
2845         * cfgloop.h: Include vec-prim.h.
2846         (enum li_flags): Remove LI_ONLY_OLD.
2847         (loop_iterator): Changed.
2848         (fel_next, fel_init): Iterate over loop tree.
2849         (FOR_EACH_LOOP_BREAK): New macro.
2850         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
2851         FOR_EACH_LOOP.
2852         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
2853         * modulo-sched.c (sms_schedule): Ditto.
2854         * tree-vectorizer.c (vectorize_loops): Ditto.
2855         * doc/loop.texi: Update information on loop numbering and behavior of
2856         FOR_EACH_LOOP wrto new loops.
2857         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2858         add_to_evolution_1): Test nestedness of loops instead of comparing
2859         their numbers.
2860         * tree-chrec.c (chrec_fold_plus_poly_poly,
2861         chrec_fold_multiply_poly_poly, chrec_evaluate,
2862         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
2863         reset_evolution_in_loop): Ditto.
2864         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
2866 2007-01-31  Dirk Mueller  <dmueller@suse.de>
2868         * c-common.c (warn_about_parentheses): Separate warning about
2869         un-parenthized sequence of comparison operators from the one
2870         which is supposed to warn about x <= y <= z.
2872 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
2874         * optabs.h (enum optab_index): Add new OTI_isinf.
2875         (isinf_optab): Define corresponding macro.
2876         * optabs.c (init_optabs): Initialize isinf_optab.
2877         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
2878         patterns.
2879         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
2880         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
2881         using isinf_optab.
2882         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
2883         expand_builtin_interclass_mathfn.
2884         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
2885         * config/i386/i386.md (UNSPEC_FXAM): New constant.
2886         (fxam<mode>2_i387): New insn pattern.
2887         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
2888         built-in functions as x87 inline asm.
2890 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
2892         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
2894 2007-01-30  Eric Christopher  <echristo@apple.com>
2896         * config.gcc: Add geode.
2898 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
2900         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
2901         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
2902         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
2903         value-prof.c: Fix comment typos.
2905 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2907         PR c++/24745
2908         * doc/invoke.texi (Wpointer-arith): Document warning.
2910 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
2912         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
2913         the list of discrepancies from the draft TR.
2915 2007-01-30  Dirk Mueller  <dmueller@suse.de>
2917         PR c++/30601
2918         * doc/invoke.texi (-Wreturn-type): Update description to
2919         match new behavior.
2921 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
2923         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
2925 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
2927         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
2928         to handle optabs that operate on floating point input argument and
2929         output to integer output.
2930         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
2931         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
2932         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
2933         expand_builtin_interclass_mathfn ().
2934         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
2935         (ilogbsi2): Remove.
2936         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
2937         ilogbl built-in functions as x87 intrinsics.
2939 2007-01-30  Richard Guenther  <rguenther@suse.de>
2941         PR middle-end/27657
2942         * dwarf2out.c (reference_to_unused): Query varpool if the
2943         variable was output.
2945 2007-01-30  Richard Guenther  <rguenther@suse.de>
2947         PR middle-end/30313
2948         * passes.c (execute_one_pass): Reset in_gimple_form to not
2949         confuse non-unit-at-a-time mode.
2951 2007-01-29  Roger Sayle  <roger@eyesopen.com>
2952             Richard Guenther  <rguenther@suse.de>
2954         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
2955         avoid undefined behaviour on overflow.  Use force_fit_type_double
2956         to construct the constant with the specified TREE_OVERFLOW.
2958 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
2960         * config/dfp-bit.c: Add parameterized support for fp exceptions.
2961         * config/dfp-bit.h: Ditto.
2963 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2965         * c-decl.c (pop_scope): Replace warnings with call to
2966         warn_for_unused_label.
2967         * c-common.h (warn_for_unused_label): Declare.
2968         * c-common.c (warn_for_unused_label): Define.
2970 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2972         * tree-optimize.c (update_inlined_to_pointers): Delete unused
2973         function.
2975 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
2977         * Makefile.in (USER_H): Remove decfloat.h.
2978         * ginclude/decfloat.h: Delete, moving contents to ...
2979         * ginclude/float.h: Add support for decimal floating point,
2980         guarded by __STDC_WANT_DEC_FP__.
2982 2007-01-29  Mike Stump  <mrs@apple.com>
2984         * doc/gccint.texi (Top): Rename Loop Representation to Loop
2985         Analysis and Representation to resolve case insensitive conflict.
2986         * doc/loop.texi (Loop Analysis and Representation): Likewise.
2988 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
2990         * tree.h (struct tree_memory_tag): Add aliases member.
2991         (MTAG_ALIASES): New macro.
2992         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
2993         (add_may_alias): Remove pointer-set. Update for may_aliases being
2994         a bitmap.
2995         (mark_aliases_call_clobbered): Update for may_aliases being a
2996         bitmap.
2997         (compute_tag_properties): Ditto.
2998         (create_partition_for): Ditto.
2999         (compute_memory_partitions): Ditto.
3000         (dump_may_aliases_for): Ditto.
3001         (is_aliased_with): Ditto.
3002         (add_may_alias_for_new_tag): Ditto.
3003         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3004         (compute_is_aliased): New function.
3005         (compute_may_aliases): Call compute_is_aliased).
3006         (init_alias_info): Initialize alias_bitmap_obstack.
3007         (union_alias_set_into): New function.
3008         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3009         (have_common_aliases_p): Rewrite to take two bitmaps and use
3010         intersection.
3011         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3012         Update for bitmaps.
3013         (finalize_ref_all_pointers): Update for add_may_alias changes.
3014         (new_type_alias): Ditto.
3015         * tree-flow-inline.h (may_aliases): Return a bitmap.
3016         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3017         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3018         may_aliases being a bitmap.
3019         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3020         may_aliases now returns a bitmap.
3021         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3022         being a bitmap.
3023         * tree-ssa-operands.c (add_virtual_operand): Update for
3024         may_aliases being a bitmap.
3026 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3028         PR tree-optimization/30630
3029         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3030         variable as changed.
3032 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3034         PR c++/28266
3035         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3036         expanded only once even if an error occurs.
3038 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3040         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3041         (__gcov_average_profiler): Likewise.
3042         (__gcov_ior_profiler): Likewise.
3043         (__gcov_merge_ior): Likewise.
3045 2007-01-28  Jan Hubicka  <jh@suse.cz>
3047         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3048         * value-prof.c (stringop_block_profile): Likewise.
3050 2007-01-28  Jan Hubicka  <jh@suse.cz>
3052         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3053         variant handling histograms; add wrapper.
3054         (clear_storage_via_libcall): Export.
3055         (emit_block_move_hints): Break out from ...; add histograms.
3056         (emit_block_move): ... this one.
3057         (clear_storage_hints): Break out from ...; add histograms.
3058         (clear_storage): ... this one.
3059         (set_storage_via_memset): Handle histogram.
3060         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3061         (clear_storage_hints, clear_storage_via_libcall): Declare.
3062         (set_storage_via_setmem): Update prototype.
3063         * doc/md.texi (movmem, setmem): Document new arguments.
3065         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3066         new histograms.
3067         (stringop_block_profile): New global function.
3068         (tree_stringops_values_to_profile): Profile block size and alignment.
3069         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3070         HIST_TYPE_IOR.
3071         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3072         (stringop_block_profile): Declare.
3073         * builtins.c: Include value-prof.h.
3074         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3075         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3076         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3077         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3078         * profile.c (instrument_values): Add new counters.
3079         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3080         calls.
3081         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3082         (tree_init_edge_profiler): Build new profilers.
3083         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3084         (pass_tree_profile): Add dump.
3085         (tree_profile_hooks): Update.
3086         * Makefile.in (LIBGCOV): Add new constants.
3087         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3088         __gcov_ior_profiler): New.
3089         * i386.md (movmem/setmem expanders): Add new optional arguments.
3091 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3093         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3095 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3097         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3098         (tree_unswitch_single_loop): Pass eni_size_weights to
3099         tree_num_loop_insns.
3100         * tree-ssa-loop-manip.c: Include tree-inline.h.
3101         (can_unroll_loop_p): Pass eni_size_weights to
3102         tree_num_loop_insns.
3103         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3104         Pass eni_size_weights to estimate_num_insns.
3105         * tree.h (init_inline_once): Export.
3106         * toplev.c (backend_init): Call init_inline_once.
3107         * cgraphunit.c (cgraph_process_new_functions,
3108         cgraph_analyze_function): Pass eni_inlining_weights to
3109         estimate_num_insns.
3110         * ipa-inline.c (compute_inline_parameters): Ditto.
3111         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3112         to estimate_num_insns.
3113         (try_unroll_loop_completely): Pass eni_size_weights to
3114         tree_num_loop_insns.
3115         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3116         ot estimate_num_insns.
3117         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3118         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3119         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3120         eni_time_weights): New variables.
3121         (init_inline_once): Initialize them.
3122         (struct eni_data): Mew.
3123         (estimate_num_insns_1, estimate_num_insns): Use weights.
3124         * tree-inline.h (struct eni_weights_d): New.
3125         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3126         (estimate_num_insns): Declaration changed.
3127         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3128         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3129         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3131 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3133         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3134         relations in the conflict function is valid.
3136 2007-01-27  Ian Lance Taylor  <iant@google.com>
3138         * common.opt: Add fstrict-overflow.
3139         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3140         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3141         (TYPE_OVERFLOW_UNDEFINED): Define.
3142         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3143         Replace all uses.
3144         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3145         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3146         (fold_negate_expr): Likewise.
3147         (make_range): Likewise.
3148         (extract_muldiv_1): Likewise.
3149         (maybe_canonicalize_comparison): Likewise.
3150         (fold_comparison): Likewise.
3151         (fold_binary): Likewise.
3152         (tree_expr_nonnegative_p): Likewise.
3153         (tree_expr_nonzero_p): Likewise.
3154         * tree-vrp.c (compare_values): Likewise.
3155         (extract_range_from_binary_expr): Likewise.
3156         (extract_range_from_unary_expr): Likewise.
3157         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3158         Likewise.
3159         (nowrap_type_p): Likewise.
3160         * tree-scalar-evolution.c (simple_iv): Likewise.
3161         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3162         (build_range_check): Likewise.
3163         (extract_muldiv_1): Likewise.
3164         (fold_comparison): Likewise.
3165         * tree-vrp.c (vrp_int_const_binop): Likewise.
3166         (extract_range_from_unary_expr): Likewise.
3167         * convert.c (convert_to_integer): Likewise.
3168         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3169         (fold_comparison): Likewise.
3170         (fold_binary): Likewise.
3171         * optabs.c (optab_for_tree_code): Likewise.
3172         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3173         * simplify-rtx.c (simplify_const_relational_operation): Check
3174         flag_strict_overflow and flag_trapv.
3175         (simplify_const_relational_operation): Likewise.
3176         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3177         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
3178         -fstrict-overflow.
3180 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3182         * tree.c (tree_fold_gcd): Delete.
3183         * tree.h (tree_fold_gcd): Remove prototype.
3184         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3185         test whether one constant integer is a multiple of another.  Instead
3186         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3187         * fold-const.c (multiple_of_p):  We've determined both TOP and
3188         BOTTOM are integer constants so we can call int_const_binop directly
3189         instead of the more generic const_binop.
3191 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3193         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3194         1*X check that the constant hasn't overflowed, to preserve the
3195         TREE_OVERFLOW bit.
3196         (round_up): Provide an efficient implementation when rouding-up an
3197         INTEGER_CST to a power-of-two.
3199 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3201         * doc/sourcebuild.texi: Add comma for clarity.
3202         * doc/extend.texi: Fix some typos.
3203         * doc/passes.texi: Likewise.
3204         * doc/cppinternals.texi: Likewise.
3205         * doc/c-tree.texi: Likewise.
3206         * doc/tree-ssa.texi: Likewise.
3207         * doc/install.texi: Likewise.
3209 2007-01-27  Jan Hubicka  <jh@suse.cz>
3211         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3212         (pass_sra): Do not require alias information.
3213         * passes.c (init_optimization_passes): Add SRA
3215 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3217         * tracer.c (rest_of_handle_tracer): We already cleaned
3218         up the CFG in tracer() so don't do it here again.
3219         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3220         cleanup_cfg here, either.  And don't call renumber_insns.
3222         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3223         and BB_HEAD are in the insn stream here.  Instead make sure
3224         that BB_INSN is valid on all insns.  Also, do check here that
3225         there are no pending branch predictions...
3226         (rtl_verify_flow_info): ...instead of doing it here.  Checks
3227         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3228         here.
3230 2007-01-26  Roger Sayle  <roger@eyesopen.com>
3232         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3233         function to simplify/factorize operand order canonicalization.
3234         (ix86_fixup_binary_operands): Reorganize using the above function.
3235         (ix86_binary_operator_ok): Likewise.
3237 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3239         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3240         file scope from optimize_attrs.
3241         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3242         up search.
3243         (optimize_attrs): Clear insn_code_values after freeing it.
3245 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3247         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3248         a parts.base assignment.
3250 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3252         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3253         (compute_subscript_distance, initialize_data_dependence_relation,
3254         finalize_ddr_dependent, analyze_ziv_subscript,
3255         analyze_siv_subscript_cst_affine,
3256         compute_overlap_steps_for_affine_univar,
3257         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3258         analyze_siv_subscript, analyze_miv_subscript,
3259         analyze_overlapping_iterations, subscript_dependence_tester_1,
3260         compute_self_dependence, free_dependence_relation): Work
3261         with affine_fn instead of chrecs.
3262         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3263         common_affine_function, affine_function_base,
3264         affine_function_constant_p, affine_fn_op, affine_fn_plus,
3265         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3266         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3267         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3268         (all_chrecs_equal_p): Removed.
3269         * tree-data-ref.h (affine_fn, conflict_function): New types.
3270         (struct subscript): Change type of conflicting_iterations_in_a
3271         and conflicting_iterations_in_b.
3273 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
3275         PR other/30182
3276         * config/pa/pa.h (TARGET_HPUX_11): New.
3277         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3278         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3280 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
3281         Richard Guenther  <rguenther@suse.de>
3283         * tree-ssa-structalias.c (solve_graph): Handle case
3284         we merged the variable to another.
3286 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3288         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3289         functions.
3291         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3292         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3294 2007-01-25  DJ Delorie  <dj@redhat.com>
3296         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3297         allow changes to modes which don't fit in those registers.
3299         * reload1.c (choose_reload_regs): Check for invalid subregs before
3300         computing their locations, not after.
3302 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
3304         PR 25127
3305         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3306         save Altivec registers in an eh_return function.
3307         (compute_vrsave_mask): Likewise.
3308         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3309         for saving Altivec registers.
3310         (rs6000_emit_prologue): Don't allocate stack twice in
3311         eh_return function.  Correct expected value of altivec_save_offset
3312         when using save_world.  Describe save of R0 to stack when using
3313         save_world.  Describe stack pointer adjustment when using
3314         save_world.  Remove duplicated eh_return parameter register saving.
3315         Update sp_offset variable after save_world.
3316         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3317         darwin-world.asm.
3318         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3319         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3320         implies Altivec.
3322 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3324         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3326 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3328         PR other/30182
3329         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3330         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
3332 2007-01-25  Richard Guenther  <rguenther@suse.de>
3334         * doc/invoke.texi (-Wcoverage-mismatch): Document.
3335         * common.opt (-Wcoverage-mismatch): New warning option.
3336         * coverage.c (get_coverage_counts): Ignore coverage mismatch
3337         if -Wcoverage-mismatch is given.
3339 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
3341         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3342         (ipcp_driver): Change to static definition.
3343         Add dumping of the ifunctions.
3344         (constant_val_insert): Remove unused parameter. Support for SSA.
3345         (ipcp_propagate_const): Support for SSA.
3346         (ipcp_profile_bb_print): Print only analyzed nodes.
3347         (ipcp_replace_map_create): Remove support for Fortran constant
3348         for now.
3349         * ipa-prop.c (ipa_method_modify_stmt,
3350         ipa_callsite_compute_param): Support for SSA.
3351         * ipa-prop.h (ipcp_driver): Remove declaration.
3352         (IS_VALID_TREE_MAP_INDEX): Add define.
3354 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
3356         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3358 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3360         PR middle-end/30447
3361         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3362         constant argument to cabs and do it without checking for
3363         -funsafe-math-optimizations.
3365 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
3367         * c-common.h (RID_FIRST_CXX0X): New.
3368         (RID_LAST_CXX0X): New.
3369         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3370         by -Wall.
3371         * c.opt (Wc++0x-compat): New.
3372         * doc/invoke.texi (-Wc++0x-compat): Document.
3374 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3376         * builtins.c (fold_builtin_carg): New.
3377         (fold_builtin_1): Use it.
3379 2007-01-24  Jan Hubicka  <jh@suse.cz>
3381         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3383         * ipa-inline.c (initial_insns, max_insns): Delete.
3384         (compute_max_insns): New function.
3385         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3386         of insns as base for code growth.
3387         (cgraph_decide_inlining): Make initial_insns local; do not compute
3388         max_insns.
3389         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3390         * doc/invoke.texi (inline-unit-growth): Update docs.
3392 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
3394         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3395         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3396         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3397         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
3398         for CPUs that have PTA_CX16 set.
3400         PR middle-end/27416
3401         * gimplify.c (omp_check_private): New function.
3402         (gimplify_scan_omp_clauses): Use it for
3403         firstprivate/lastprivate/reduction.
3405         PR middle-end/30494
3406         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3407         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3409         PR middle-end/30421
3410         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3411         If lower_lastprivate_clauses emits some statements, append them
3412         to dlist rather than body_p and to body_p append an initializer.
3413         (lower_omp_for): Adjust caller.
3415 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
3417         * target.h (globalize_decl_name): New.
3418         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3419         * output.h (default_globalize_decl_name): New.
3420         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
3421         globalize_label.
3422         (globalize_decl): Ditto.
3423         (default_globalize_decl_name): New.
3424         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
3425         (ia64_handle_version_id_attribute): New.
3426         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3427         (ia64_asm_output_external): Use globalize_decl_name instead
3428         of globalize_label.
3429         * doc/extend.texi (version_id): New pragma.
3430         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
3432 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3434         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
3435         _uleb128_t and _Unwind_SWord with _sleb128_t.
3436         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
3437         uw_frame_state_for, uw_update_context_1): Likewise.
3438         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
3439         * unwind-pe.h (read_uleb128, read_sleb128,
3440         read_encoded_value_with_base): Likewise.
3441         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
3443 2007-01-24  Richard Guenther  <rguenther@suse.de>
3445         * builtins.c (expand_builtin_cexpi): Get the fndecl
3446         for cexp in the correct way.
3448 2007-01-24  Jan Hubicka  <jh@suse.cz>
3450         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
3452 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3454         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
3455         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
3456         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
3457         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
3458         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
3459         __SIZEOF_PTRDIFF_T__.
3460         * doc/cpp.texi: Documentation for the new builtin macros added.
3462 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
3464         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
3465         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
3466         instead of operands[2] to avoid access past the end of array.
3468 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
3470         * reload1.c (emit_reload_insns): Pass the reload register
3471         for a non-spill output reload through forget_old_reloads_1.
3473 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
3475         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3476         _SOFT_DOUBLE if doubles use software floating-point.
3477         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
3478         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3479         * config/rs6000/darwin-ldouble.c: Also compile functions for
3480         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
3481         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3482         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
3483         commented-out long double override.
3484         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
3485         * config/rs6000/eabispe.h: Likewise.
3486         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
3487         long double for non-SPE.
3488         (rs6000_handle_option): Likewise.
3489         (invalid_e500_subreg): Disallow more subregs involding DImode,
3490         DFmode, TImode or TFmode.
3491         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
3492         E500 double.
3493         (legitimate_lo_sum_address_p): Also check for TFmode for E500
3494         double.
3495         (rs6000_legitimize_address): Also handle TFmode for E500 double.
3496         (rs6000_legitimize_reload_address): Also handle TFmode for E500
3497         double.
3498         (rs6000_legitimate_address): Also check for TFmode for E500
3499         double.
3500         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
3501         (spe_build_register_parallel): Handle TFmode and TCmode.
3502         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
3503         double.
3504         (function_arg): Handle TFmode and TCmode for E500 double.
3505         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
3506         in general.
3507         (print_operand): Handle TFmode and TImode for %y.
3508         (rs6000_generate_compare): Handle TFmode comparisons for E500
3509         double.
3510         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
3511         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
3512         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
3513         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
3514         TFmode for E500 double.
3515         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
3516         (floatsidf2): Enable for E500 double.
3517         (movtf_softfloat): Use rs6000_nonimmediate_operand.
3518         (extenddftf2): Change to extenddftf2_fprs.
3519         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
3520         depending on TARGET_E500_DOUBLE.
3521         (extendsftf2): Enable for E500 double.
3522         (trunctfdf2): Enable for E500 double.
3523         (trunctfsf2): Change to trunctfsf2_fprs.
3524         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
3525         depending on TARGET_E500_DOUBLE.
3526         (floatsitf2): Enable for E500 double.
3527         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
3528         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
3529         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
3530         (negtf2): Change to negtf2_internal.
3531         (negtf2): New expander.
3532         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
3533         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
3534         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
3535         (movdi_internal32): Use rs6000_nonimmediate_operand.
3536         (unnamed splitter): Likewise.
3537         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
3538         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
3539         (SPE64TF, DITI): New mode macros.
3540         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
3541         modes.
3542         (frob_tf_ti): New.
3543         (frob_<mode>_di_2): New.
3544         (frob_tf_di_8_2): New.
3545         (frob_di_df): Change to frob_di_<mode>; allow more modes.
3546         (frob_ti_tf): New.
3547         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
3548         more modes.
3549         (frob_ti_<mode>_8_2): New.
3550         (frob_ti_tf_2): New.
3551         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
3552         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
3553         TFmode.
3554         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
3555         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
3556         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
3557         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
3558         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
3559         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
3560         tsttflt_gp): New.
3562 2007-01-23  Ian Lance Taylor  <iant@google.com>
3564         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
3565         insn-*.o first.
3566         (OBJS-archive): Reformat, alphabetize.
3567         (OBJS): Change out_object_file to OBJS-md.
3569 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
3571         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
3572         JUMP_P and CALL_P predicates where applicable.
3573         * config/i386/i386.c: Ditto.
3574         * config/i386/i386.md: Ditto.
3575         * config/i386/mmx.md: Ditto.
3576         * config/i386/predicates.md: Ditto.
3578 2007-01-22  Andreas Schwab  <schwab@suse.de>
3580         * config/m68k/m68k.h: Fix comment.
3582 2007-01-22  Jan Hubicka  <jh@suse.cz>
3584         * passes.c (init_optimization_passes): Do not rerun
3585         pass_early_warn_uninitialized.
3587 2007-01-22  Richard Guenther  <rguenther@suse.de>
3589         PR tree-optimization/30038
3590         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
3591         function.
3592         (execute_cse_sincos_1): Likewise.
3593         (execute_cse_sincos): Likewise.
3594         (gate_cse_sincos): Likewise.
3595         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
3596         the cexpi() canonicalization of sincos().
3597         * tree-pass.h (pass_cse_sincos): Declare.
3598         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
3600 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3602         PR rtl-optimization/29329
3603         * combine.c (replaced_rhs_insn): Rename to i2mod.
3604         (replaced_rhs_value): Rename to i2mod_new_rhs.
3605         (i2mod_old_rhs): New global variable.
3606         (combine_instructions): Adjust for above change.  Save a copy of
3607         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
3608         note are substituted in the second instruction.
3609         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
3610         ditch the note if it pertains to the second eliminated register
3611         and this register is mentioned in i2mod_old_rhs.
3613         Revert:
3614         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
3616         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3617         the insn to which the note was originally attached.
3619 2007-01-21  Jan Hubicka  <jh@suse.cz>
3621         * ipa-inline.c (inlining_mode): Comment, move up.
3622         (cgraph_decide_inlining_incrementally): Do not perform inlining
3623         itself; fix handling of flattening of self recursive functions.
3624         (cgraph_find_cycles): Remove.
3625         (cgraph_flatten_node): Remove.
3626         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
3627         (try_inline): New function.
3628         (cgraph_early_inlining): Update call of
3629         cgraph_decide_inlining_incrementally.  Apply inlining here.
3630         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
3632 2007-01-21  Dirk Mueller  <dmueller@suse.de>
3634         PR bootstrap/30511
3635         * tree-vrp.c (check_array_bounds): do not warn
3636         about ADDR_EXPR's of ARRAY_REF's which are immediately
3637         used in binary expressions.
3639 2007-01-21  Ira Rosen  <irar@il.ibm.com>
3641         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
3642         read_write_dep and macros for its access.
3643         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
3644         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
3645         argument, call vect_check_interleaving for every independent pair of
3646         data-refs. Mark loads that access the same memory location as a store
3647         in the loop.
3648         (vect_check_dependences): Remove.
3649         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
3650         call, fix the call to vect_analyze_data_ref_dependence.
3651         (vect_analyze_data_ref_access): For statements that access the same
3652         data-ref, check that they are not stores; for loads, check that there
3653         is no store that access the same location.
3655 2007-01-20  Roger Sayle  <roger@eyesopen.com>
3656             Joseph Myers  <joseph@codesourcery.com>
3658         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
3659         (-fdump-rtl-stack): Likewise.
3660         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
3661         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
3662         (-mpt-fixed): Use @minus{} for minus sign.
3663         (Using Precompiled Headers): Fix under/overfull hbox.
3665 2007-01-20  Jan Hubicka  <jh@suse.cz>
3667         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
3668         place within annotation.
3670 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3672         * pa.c (output_move_double): Change array size of xoperands to 4.
3674 2007-01-20  Jan Hubicka  <jh@suse.cz>
3676         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
3677         as temporary.
3679 2007-01-19  Ian Lance Taylor  <iant@google.com>
3681         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
3682         constant to unsigned HOST_WIDE_INT before negating.
3684 2007-01-19  Ian Lance Taylor  <iant@google.com>
3686         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
3687         to unsigned.
3688         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
3689         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3690         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
3691         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
3692         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3693         (realloc_vdef, realloc_vuse): Change second parameter to
3694         unsigned.
3695         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
3696         fields to unsigned.
3697         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
3698         unsigned. Change x and lim locals to unsigned.
3699         (realloc_vdef, realloc_vuse): Change num_elem parameter to
3700         unsigned.
3701         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
3702         (copy_virtual_operands): Change i and n locals to unsigned.
3704 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3706         PR middle-end/29335
3707         * builtins.c (fold_builtin_1): Handle builtin fdim.
3709 2007-01-20  Jan Hubicka  <jh@suse.cz>
3711         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
3712         * tree-ssa-structalias.c (compute_points_to_sets): Do call
3713         init_alias_heapvars.
3714         (init_alias_heapvars): Initialize only when not already initialized.
3715         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
3717 2007-01-19  Roger Sayle  <roger@eyesopen.com>
3719         * common.opt (fsigned-zeros): New command line option.
3720         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
3721         of flag_unsafe_math_optimizations.
3722         * opts.c (set_fast_math_flags): The -ffast-math command line option
3723         implies -fno-signed-zeros.
3724         (fast_math_flags_set_p): Likewise.
3726         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
3727         the documentation of -ffast-math appropriately.  Wrap long lines.
3729 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
3731         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
3732         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
3734 2007-01-19  Tomas Bily  <tbily@suse.cz>
3736         * cgraphunit.c (cgraph_finalize_function): Updating of pid
3737         * tree-profile.c:
3738         (tree_init_ic_make_global_vars): New function
3739         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
3740         (tree_gen_ic_profiler): New function
3741         (tree_gen_ic_func_profiler): New function
3742         (tree_profiling): Added calling of tree_gen_ic_func_profiler
3743         (tree_profile_hooks): Added hook for indirec/virtual calls
3744         * value-prof.c (tree_find_values_to_profile): New case for
3745         indirect calls
3746         (tree_values_to_profile): Call for determining indirect/virtual
3747         counters
3748         (tree_indirect_call_to_profile): New function
3749         (tree_ic_transform): New function
3750         (tree_ic): New function
3751         (find_func_by_pid): New function
3752         (init_pid_map): New function
3753         (tree_value_profile_transformations): Added check for
3754         indirect/virtual call transformation
3755         * value-prof.h (enum hist_type): New counter type for
3756         indirect/virtual calls
3757         (profile_hooks): Added new hook for profiling indirect/virtual
3758         calls
3759         * profile.c (instrument_values): New case for indirect/virtual
3760         call added
3761         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
3762         (GCOV_COUNTER_V_INDIR): New counter type
3763         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
3764         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
3765         call added
3766         * cgraph.c: Definition of cgraph_max_pid
3767         (cgraph_create_node): Default init of pid attribute
3768         * cgraph.h: Declaration of cgraph_max_pid
3769         (struct cgraph_node): Added pid attribute
3770         * libgcov.c (__gcov_indirect_call_profiler): New function
3771         (__gcov_one_value_profiler_body): New function
3772         (__gcov_one_value_profiler): Body was moved to
3773         __gcov_one_value_profiler_body and calls it
3775 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
3777         * doc/gty.texi (Options): Document the mark_hook option to GTY.
3778         * gengtype.c (write_types_data, write_func_for_structure,
3779         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
3780         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
3781         (walk_type, write_func_for_structure): Generate the mark_hook if
3782         needed.
3784 2007-01-19  Jan Hubicka  <jh@suse.cz>
3786         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
3787         'early' argument take inlining mode argument specifying whether to
3788         inline for size/speeed or all functions; add support for flattening;
3789         improve dumpting.
3790         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
3792 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3794         PR c++/17947
3795         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
3796         the name of the declared identifier.
3798 2007-01-19  Dirk Mueller  <dmueller@suse.de>
3800         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
3801         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
3802         duplicate evaluation.
3804 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
3806         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
3807         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
3808         to XFMode, use acosxf2 and truncate result to requested mode.
3809         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
3810         (asin<mode>2): Similarly, with asin expanders.
3811         (*fscalexf4_i387): Rename from *fscalexf4.
3812         (expNcorexf3): New expander.
3813         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
3814         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
3815         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
3816         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
3817         patterns for SSE math.
3818         (exp10<mode>2): Similarly, with exp10 expanders.
3819         (exp2<mode>2): Similarly, with exp2 expanders.
3820         (expm1<mode>2): Similarly, with expm1 expanders.
3821         (ldexp<mode>3): Similarly, with ldexp expanders.
3822         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
3823         Use gen_truncxf<mode>2_i387_noop to truncate result.
3825 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3827         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
3828         for ColdFire targets.
3830 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
3831             Richard Sandiford  <richard@codesourcery.com>
3833         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
3834         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
3835         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
3836         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
3837         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
3838         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
3840 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3842         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
3843         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
3844         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
3845         (*adddi_dilshr32_cf): New pattern.
3846         (adddi3, subdi3): Remove first alternatives.
3848 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3850         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
3851         implemented using move.l, do not use its cc result for floating-point
3852         comparisons.
3854 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3856         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
3857         from accepting 's' constraints if flag_pic.
3859 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3861         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
3862         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
3863         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
3864         condition from TARGET_68881 to TARGET_HARD_FLOAT.
3866 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
3868         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
3869         ColdFire alternatives.
3870         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
3871         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
3872         architectures that support ff1 instruction.
3874 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3875             Julian Brown  <julian@codesourcery.com>
3877         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
3878         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
3879         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
3880         Add commentary.
3882 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3884         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
3885         and return a bool.
3886         (output_move_const_into_data_reg, output_move_simode_const): Delete.
3887         * config/m68k/m68k.c (const_method, const_int_cost): Take a
3888         HOST_WIDE_INT instead of an rtx.
3889         (m68k_rtx_costs): Update call accordingly.
3890         (output_move_const_into_data_reg): Likewise.  Fix formatting.
3891         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
3892         Return a bool.
3893         (output_move_simode_const): Update calls after above changes.
3894         Rework to use automatic variables and predicates like MEM_P.
3895         * config/m68k/m68k.md (pushexthisi_const): Update call to
3896         valid_mov3q_const.
3898 2007-01-19  Dirk Mueller  <dmueller@suse.de>
3900         * tree-ssa-alias.c (perform_var_substitution): Fix typo
3901         in dump_flags test.
3903 2007-01-19  Richard Guenther  <rguenther@suse.de>
3905         * builtins.c (expand_builtin_cexpi): Fall back to expanding
3906         via cexp in case sincos is not available.
3908 2007-01-19  Richard Guenther  <rguenther@suse.de>
3910         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
3911         * defaults.h (TARGET_HAS_SINCOS): Default to off.
3912         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
3913         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
3914         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
3915         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
3916         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
3917         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
3919 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
3921         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
3922         New insn patterns.
3923         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
3924         (atan2xf3): Directly generate RTL pattern.
3925         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
3926         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
3927         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
3928         disable patterns for SSE math.
3929         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
3930         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
3931         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
3932         disable patterns for SSE math.
3934 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
3936         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
3938 2007-01-18  Roger Sayle  <roger@eyesopen.com>
3940         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
3941         VIEW_CONVERT_EXPR to the same type as it's operand.
3943 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
3945         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
3946         configured for long double 128.
3948 2007-01-18  Mike Stump  <mrs@apple.com>
3950         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
3951         error.
3953 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
3955         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
3956         type correct.
3958 2007-01-18  Jan Hubicka  <jh@suse.cz>
3960         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
3961         greater than NUM_VOP_FREE_BUCKETS.
3963 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
3965         * tree-ssa-structalias.c: Update comments.
3966         (ptabitmap_obstack): Removed.
3967         (pta_obstack): New.
3968         (oldpta_obstack): Ditto.
3969         (stats): Add a few members.
3970         (struct variable_info): Remove node, complex, address_taken, and
3971         indirect_target members. Add oldsolution member.
3972         (new_var_info): Do not initialize removed members.
3973         (constraint_expr_type): Remove INCLUDES.
3974         (constraint_graph): Add size, implicit_preds, rep,
3975         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
3976         (FIRST_REF_NODE): New macro.
3977         (LAST_REF_NODE): Ditto.
3978         (FIRST_ADDR_NODE): Ditto.
3979         (find): New function.
3980         (unite): Ditto.
3981         (dump_constraint): Do not handle INCLUDES.
3982         (insert_into_complex): Do not insert duplicate constraints.
3983         (condense_varmap_nodes): Renamed and rewritten into ...
3984         (merge_node_constraints): This. Also fix bug in handling of
3985         offseted copy constraints.
3986         (clear_edges_for_node): No longer need to deal with preds at all,
3987         or removing associated preds/succs.
3988         (merge_graph_nodes): Deal with indirect_cycles.
3989         Don't deal with predecessors.
3990         (add_implicit_graph_edge): New function.
3991         (add_pred_graph_edge): Ditto.
3992         (add_graph_edge): Don't deal with predecessors.
3993         (build_constraint_graph): Removed.
3994         (build_pred_graph): New function.
3995         (build_succ_graph): Ditto.
3996         (struct scc_info): Removed in_component. Added roots, dfs, and
3997         node_mapping. Remove visited_index, unification_queue.
3998         (scc_visit): Deal with union-find we do now.
3999         Deal with cycles with REF nodes.
4000         (collapse_nodes): Renamed and rewritten to ...
4001         (unify_nodes): This.
4002         (process_unification_queue): Removed.
4003         (topo_visit): Cleanup
4004         (do_da_constraint): Use find.
4005         (do_sd_constraint): Ditto.
4006         (do_ds_constraint): Ditto.
4007         (do_complex_constraint): Ditto.
4008         (init_scc_info): Update for removed and added members.
4009         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
4010         (find_indirect_cycles): This.
4011         (equivalence_class): New variable.
4012         (label_visit): New function.
4013         (perform_variable_substitution): Rewritten.
4014         (free_var_substitution_info): New function.
4015         (find_equivalent_node): Ditto.
4016         (move_complex_constraints): Ditto.
4017         (eliminate_indirect_cycles): Ditto.
4018         (solve_graph): Only propagate changed bits.
4019         Use indirect cycle elimination.
4020         Use find.
4021         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
4022         (tree_id_eq): Renamed to ...
4023         (tree_vi_eq): This. Update for member change
4024         (insert_id_for_tree): Renamed and rewritten to ...
4025         (insert_vi_for_tree): This.
4026         (lookup_id_for_tree): Renamed and rewritten to ...
4027         (lookup_vi_for_tree): This.
4028         (get_id_for_tree): Renamed and rewritten to ...
4029         (get_vi_for_tree): Ditto.
4030         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
4031         (process_constraint): Don't handle INCLUDES.
4032         Remove special ADDRESSOF case.
4033         (find_func_aliases): Rewrite to use vi functions instead of id
4034         ones.
4035         (create_function_info_for): Ditto.
4036         (create_variable_info_for): Ditto.
4037         (intra_create_variable_infos): Ditto.
4038         (merge_smts_into): Ditto.
4039         (find_what_p_points_to): Ditto.
4040         (init_base_vars): Ditto.
4041         (init_alias_vars): Ditto.
4042         (remove_preds_and_fake_succs): New function.
4043         (dump_sa_points_to_info): Dump new stats.
4044         (dump_solution_for_var): Use find.
4045         (set_used_smts): Fix formatting.
4046         (compute_points_to_sets): Updated for new functions.
4047         (ipa_pta_execute): Ditto.
4049 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4050             Richard Sandiford  <richard@codesourcery.com>
4052         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
4053         parallels.
4054         * calls.c (expand_call): If the return value is a PARALLEL,
4055         extract its first member.
4056         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
4057         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4058         use FUNCTION_EXTRA_EPILOGUE.
4059         (m68k_function_value): Return a PARALLEL if the return value
4060         is of a pointer type.
4061         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
4062         (FUNCTION_EXTRA_EPILOGUE): Remove.
4063         * config/m68k/m68k.md (D0_REG): New constant.
4065 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4067         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4068         output a NOP for empty epilogues.
4070 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4072         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
4073         before function.  Extend register save check to include all
4074         registers, not just integer ones.
4076 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4078         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
4079         (m68k_use_return_insn): ...this.
4080         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
4081         * config/m68k/m68k.c (use_return_insn): Rename to...
4082         (m68k_use_return_insn): ...this.
4083         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
4084         of USE_RETURN_INSN.
4086 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4088         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
4089         nearest even, fix denormal rounding overflow.
4091 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4093         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
4094         f%$smove and f%$move.
4095         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
4096         (extendsfdf2_cf): Use fdmove instead of f%&move.
4097         (truncdfsf2_cf): Use fsmove instead of f%$smove.
4098         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
4100 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4102         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
4103         GPR<-GPR moves.
4105 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4107         * real.h (real_format): Add a canonical_nan_lsbs_set field.
4108         (coldfire_single_format): Declare.
4109         (coldfire_double_format): Likewise.
4110         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
4111         of qnan_msb_set to determine the lower bits of a canonical
4112         NaN significand.
4113         (encode_ieee_double): Likewise.
4114         (encode_ieee_quad): Likewise.
4115         (ieee_single_format): Initialize canonical_nan_lsbs_set.
4116         (mips_single_format): Likewise.
4117         (ieee_double_format): Likewise.
4118         (mips_double_format): Likewise.
4119         (ieee_extended_motorola_format): Likewise.
4120         (ieee_extended_intel_96_format): Likewise.
4121         (ieee_extended_intel_128_format): Likewise.
4122         (ieee_extended_intel_96_round_53_format): Likewise.
4123         (ibm_extended_format): Likewise.
4124         (mips_extended_format): Likewise.
4125         (ieee_quad_format): Likewise.
4126         (mips_quad_format): Likewise.
4127         (vax_f_format): Likewise.
4128         (vax_d_format): Likewise.
4129         (vax_g_format): Likewise.
4130         (i370_single_format): Likewise.
4131         (i370_double_format): Likewise.
4132         (decimal_single_format): Likewise.
4133         (decimal_double_format): Likewise.
4134         (decimal_quad_format): Likewise.
4135         (c4x_single_format): Likewise.
4136         (c4x_extended_format): Likewise.
4137         (real_internal_format): Likewise.
4138         (coldfire_single_format): New real_format.
4139         (coldfire_double_format): Likewise.
4140         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
4141         canonical_nan_lsbs_set.
4142         (pdp11_d_format): Likewise.
4143         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4144         if TARGET_COLDFIRE_CPU.
4146 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4148         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4149         (output_call, m68k_legitimize_call_address): Declare.
4150         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4151         parenthesees.  Add support for a 'W' constraint.
4152         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4153         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4154         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4155         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4156         variables.
4157         (override_options): Initialize them.  Do not set flag_no_function_cse
4158         for TARGET_ID_SHARED_LIBRARY.
4159         (m68k_output_pic_call): Delete.
4160         (m68k_legitimize_call_address): New function.
4161         (print_operand): Remove the %o prefix.  Handle the %p prefix.
4162         (output_call): New function.
4163         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
4164         target address from the GOT if symbolic jumps are not allowed.
4165         * config/m68k/m68k.md (call, general_operand): Do not set
4166         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
4167         Merge separate flag_pic and !flag_pic define_insns into...
4168         (*call, *call_value): ...these new patterns.  Match the address
4169         rather than the containing MEM and require it to be a call_operand.
4170         Use output_call to generate the asm template.
4171         * config/m68k/predicates.md (const_call_operand): New predicate.
4172         (call_operand): Likewise.
4174 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4176         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4177         (STACK_GROWS_DOWNWARD): Define to 1.
4178         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4179         comments, emphasizing that these values are only defaults.
4180         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4181         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4183 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4185         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4187 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4188             Richard Sandiford  <richard@codesourcery.com>
4190         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4191         (FP_REGNO_P): New macros.
4192         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4193         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4194         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4195         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4197 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4199         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4200         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4201         to $tmake_file.
4202         * config/m68k/t-floatlib: New file, extracting common code from...
4203         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4204         * config/m68k/t-uclinux: Here.
4205         * config/m68k/fpgnulib.c: Do not compile extendeed precision
4206         routines on ColdFire targets.
4208 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4210         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4211         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4212         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4213         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4214         explicitly set MOTOROLA to 1.
4215         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4217 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4218             Nathan Sidwell  <nathan@codesourcery.com>
4220         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4221         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4222         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4223         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4224         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4225         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4226         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4227         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4228         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4229         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4230         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4231         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4232         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4233         (DBX_REGISTER_NUMBER): Delete.
4234         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4235         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4236         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4238 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4240         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4241         * config/flat.h: New file.
4242         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4243         OBJECT_FORMAT_FLAT.
4244         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4245         indirect references for -msep-data or -mid-shared-library.
4246         Do not use PC-relative code addresses either.
4247         * config/m68k/m68k.c (override_options): Restrict -fPIC error
4248         to -mpcrel.
4249         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
4250         for shared libraries and crt1.o for executables.  Use crti.o and
4251         crtbegin.o.
4252         (ENDFILE_SPEC): Use crtend.o and crtn.o.
4253         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4254         Do not add -elf2flt or -shared-lib-id options here.
4255         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
4256         Pass -shared-lib-id if -mid-shared-library, taking the library
4257         identifier from -mshared-library-id if given, otherwise
4258         defaulting to 0.
4259         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4260         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4261         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4262         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4263         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4264         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4265         and crtend.o.
4266         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4267         jump sequence for ISA A and ISA A+.
4268         (PICJUMP): Likewise.
4270 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4272         * config.gcc (m68k-*-uclinux*): Base the port on the common
4273         and m68k GNU/Linux files rather than on the generic ELF ones.
4274         * config/m68k/uclinux.h (TARGET_VERSION): Override.
4275         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4277 2007-01-18  Julian Brown  <julian@codesourcery.com>
4278             Richard Sandiford  <richard@codesourcery.com>
4280         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4281         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4282         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4283         before redefining.
4284         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4285         80 unconditionally.
4286         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4288 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4290         * doc/install.texi: Document m68k-uclinuxoldabi.
4291         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
4292         * config/m68k/uclinux-oldabi.h: New file, copied from
4293         config/m68k/uclinux.h.
4295 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
4297         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
4298         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
4299         (m32r_compute_frame_size): Use unsigned for regno.
4300         (m32r_reload_lr): Use gen_frame_mem.
4301         (pop): New.
4302         (m32r_output_function_epilogue): Don't output the function epilogue
4303         textually here.
4304         (m32r_expand_epilogue): New.
4305         (direct_return): Return false if the function has the interrupt
4306         attribute.
4307         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
4308         * config/m32r/m32r.md (epilogue): New expander.
4309         (return_lr, return_rte): New insns.
4310         (return): Make it expander.
4311         (return_normal): New expander.
4313 2007-01-18  Josh Conner  <jconner@apple.com>
4315         PR target/30485
4316         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
4317         support for UNLE, UNLT, UNGE, and UNGT.
4319 2007-01-18  Jan Hubicka  <jh@suse.cz>
4321         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
4322         * tree-tailcall (add_virtual_phis): Likewise.
4323         (optimize_tail_call): Return TODOs.
4324         (execute_tail_calls): Return TODOs.
4325         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
4326         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
4327         changed.
4328         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4329         Cleanup cfg using TODO.
4330         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
4331         * passes.c (execute_function_todo): When cleanup did something, remove
4332         unused locals.
4333         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
4334         (make_edges): Don't cleanup_cfg.
4336 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
4338         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
4339         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
4340         operate on the top of stack.
4341         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
4342         register handling of instructions that output to the second
4343         stack slot.
4344         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
4345         (move_for_stack_reg): Special-case check for dead destination
4346         stack slot for constant load of 1.0 inside UNSPEC_TAN.
4348         * config/i386/i386.md (UNSPEC_TAN): New constant.
4349         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
4350         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
4351         to correctly model move of constant 1.0 to top stack slot.
4352         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
4353         (unnamed peephole2 pattern): Remove corresponding peephole2
4354         pattern that optimizes tan insn and loading of constant 1.0.
4355         (tanxf2): Use fptanxf4_i387.
4356         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
4357         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
4358         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4359         disable patterns for SSE math.
4360         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
4361         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
4363 2007-01-18  Dirk Mueller  <dmueller@suse.de>
4364             Richard Guenther <rguenther@suse.de>
4366         PR diagnostic/8268
4367         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
4368         * common.opt (Warray-bounds): Add new warning option.
4369         * c-opts.c (c_common_handle_option): Define -Warray-bounds
4370         if -Wall is given.
4371         * Makefile.in: make tree-vrp.o depend on toplev.h
4372         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
4373         is enabled.
4374         (check_array_refs, check_array_bounds, check_array_ref): New.
4376 2007-01-18  Jan Hubicka  <jh@suse.cz>
4378         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
4379         (execute_ssa_ccp): Return flags conditionally.
4380         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
4381         changed.
4382         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
4384 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
4386         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
4387         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
4389         * Makefile.c (GTFILES): Add cfglayout.h.
4390         * gengtype.c (open_base_files): Likewise.
4391         * cfglayout.c (cfg_layout_function_footer,
4392         cfg_layout_function_header) Reindent to make gengtype happy.
4393         * cfglayout.h (cfg_layout_function_footer,
4394         cfg_layout_function_header): Add GTY(()) marker.
4396         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
4398 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4400         * genautomata.c (write_automata): Include xstrerror output in the
4401         error message if writing the DFA description file fails.
4403 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
4405         * config/mips/mips-protos.h (mips_output_external): Make it
4406         return void.
4407         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
4408         * config/mips/mips.c (irix_output_external_libcall): Likewise.
4409         (extern_list): Likewise.
4410         (extern_head): Likewise.
4411         (TARGET_ASM_FILE_END): Likewise.
4412         (mips_file_end): Likewise.
4413         (mips_output_external): Rewritten.
4415 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4417         * genpreds.c (write_insn_preds_c): Only write out the function
4418         body for regclass_for_constraint if we have register constraints.
4420 2007-01-17  Tom Tromey  <tromey@redhat.com>
4422         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
4423         * doc/install.texi (Testing): Use sourceware.org.
4424         (Binaries): Likewise.
4425         (Specific): Likewise.
4426         * doc/contrib.texi (Contributors): Use sourceware.org.
4428 2007-01-17  Anatoly Sokolov <aesok@post.ru>
4430         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
4431         (AVR_ENHANCED): Rename to ...
4432         (AVR_HAVE_MUL): ... new.
4433         (avr_enhanced_p): Rename to ...
4434         (avr_have_mul_p): ... new.
4435         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
4436         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
4437         * config/avr/avr.c (avr_enhanced_p): Rename to ...
4438         (avr_have_mul_p): ... new.
4439         (base_arch_s): Rename 'enhanced' to 'have_mul'.
4440         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
4441         'avr_enhanced_p' and 'enhanced'.
4442         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
4443         AVR_HAVE_MUL instead of AVR_ENHANCED.
4444         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4445         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
4446         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
4447         instead of AVR_ENHANCED.
4448         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4449         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
4450         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
4452 2007-01-17  Ian Lance Taylor  <iant@google.com>
4454         * vec.h (VEC_reserve_exact): Define.
4455         (vec_gc_p_reserve_exact): Declare.
4456         (vec_gc_o_reserve_exact): Declare.
4457         (vec_heap_p_reserve_exact): Declare.
4458         (vec_heap_o_reserve_exact): Declare.
4459         (VEC_OP (T,A,reserve_exact)): New static inline function, three
4460         versions.
4461         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
4462         negative parameter.
4463         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
4464         (VEC_OP (T,A,copy)) [all versions]: Likewise.
4465         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
4466         * vec.c (calculate_allocation): Add exact parameter.  Change all
4467         callers.
4468         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
4469         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
4470         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
4471         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
4472         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
4473         (vec_heap_p_reserve_exact): New function.
4474         (vec_heap_o_reserve_exact): New function.
4476 2007-01-17  Jan Hubicka  <jh@suse.cz>
4478         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
4480 2007-01-17  Eric Christopher  <echristo@apple.com>
4482         * config.gcc: Support core2 processor.
4484 2007-01-16  Jan Hubicka  <jh@suse.cz>
4486         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
4487         the names, just unlink the chain so we don't crash on dangling pointers
4488         to dead SSA names.
4490 2007-01-16  Jan Hubicka  <jh@suse.cz>
4492         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
4493         * tree-pass.h: Reorder to make IPA passes appear toegher.
4494         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
4495         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
4496         parameters, do not call early inliner.
4497         * ipa-inline.c: Update comments.  Include tree-flow.h
4498         (cgraph_decide_inlining): Do not compute inlining parameters.
4499         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
4500         be called with function context set up.
4501         (pass_ipa_inline): Remove unreachable functions before pass.
4502         (cgraph_early_inlining): Simplify assuming to be called from the
4503         PM as local pass.
4504         (pass_early_inline): New pass.
4505         (cgraph_gate_ipa_early_inlining): New gate.
4506         (pass_ipa_early_inline): Turn into simple wrapper.
4507         (compute_inline_parameters): New function.
4508         (gate_inline_passes): New gate.
4509         (pass_inline_parameters): New pass.
4510         (apply_inline): Move here from tree-optimize.c
4511         (pass_apply_inline): New pass.
4512         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
4513         transforming.
4514         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
4515         doing them by hand.
4516         (tree_function_versioning): Do not allocate dummy struct function.
4517         * tree-inline.h (optimize_inline_calls): Update prototype.
4518         * tree-optimize.c (execute_fixup_cfg): Export.
4519         (pass_fixup_cfg): Remove
4520         (tree_rest_of_compilation): Do not apply inlines.
4521         * tree-flow.h (execute_fixup_cfg): Declare.
4522         * Makefile.in (gt-passes.c): New.
4523         * passes.c: Include gt-passes.h
4524         (init_optimization_passes): New passes.
4525         (nnodes, order): New static vars.
4526         (do_per_function_toporder): New function.
4527         (execute_one_pass): Dump current pass here.
4528         (execute_ipa_pass_list): Don't dump current pass here.
4530 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
4532         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
4533         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
4535 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
4537         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
4538         (strong_alias): Define.
4539         (__gcc_qmul): Provide non-FMA for soft-float.
4540         (__gcc_qdiv): Same.
4541         (__gcc_qneg): New.
4542         (__gcc_qeq): New.
4543         (__gcc_qle): New.
4544         (__gcc_qge): New.
4545         (__gcc_qunord): New.
4546         (__gcc_stoq): New.
4547         (__gcc_dtoq): New.
4548         (__gcc_qtos): New.
4549         (__gcc_qtod): New.
4550         (__gcc_qtoi): New.
4551         (__gcc_qtou): New.
4552         (__gcc_itoq): New.
4553         (__gcc_utoq): New.
4554         (fmsub): New.
4555         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
4556         soft-float functions.
4557         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
4558         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
4559         about long double soft float.
4561 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
4562             Tehila Meyzels  <tehila@il.ibm.com>
4564         * tree-vectorizer.h (is_pattern_stmt_p): New.
4565         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
4566         formatting (tabs instead of spaces). Cleanup and clarify setting
4567         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
4568         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
4569         (vectorizable_type_demotion): Check that types are integral.
4570         (vectorizable_type_promotion): Likewise.
4571         (vectorizable_store): Fix typo.  Eliminate new-line at end of
4572         comments.
4574 2007-01-16  Jan Hubicka  <jh@suse.cz>
4576         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
4577         cgraph edges too.
4579 2007-01-15  Eric Christopher  <echristo@apple.com>
4581         * ifcvt.c: Include vec.h, vecprim.h.
4582         (check_cond_move_block): New argument regs.
4583         Reorganize. Add registers used to regs.
4584         (cond_move_process_if_block): Use regs set above as
4585         loop bounds.
4587 2007-01-15  Eric Christopher  <echristo@apple.com>
4589         * config/darwin.h: Update copyright.
4590         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
4591         (LINK_COMMAND_SPEC): Add -u.
4592         (LINK_SPEC): Fix umbrella for above.
4594 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
4596         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
4597         glibc CVS.
4599 2007-01-15  Tom Tromey  <tromey@redhat.com>
4601         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
4602         * doc/install.texi (Testing): Don't mention jacks.
4603         (Configuration): Document --enable-java-maintainer-mode.  Move
4604         --with-java-home to libgcj-specific section.  Document
4605         --with-ecj-jar.
4606         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
4608 2007-01-15  Jan Hubicka  <jh@suse.cz>
4610         * tree-ssa-dce.c (DCE_TODOs): New.
4611         (propagate_necessity): Return if something changed.
4612         (eliminate_unnecessary_stmts): Likewise.
4613         (perform_tree_ssa_dce): Return TODO flags when needed.
4614         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
4616 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
4618         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
4619         (fyl2x_extend<mode>xf3_i387): New insn pattern.
4620         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
4621         patterns using X87MODEF12 mode macro.  Extend operand 1
4622         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4623         (log10<mode>2): Ditto.
4624         (log2<mode>2): Ditto.
4625         (log1p<mode>2): Ditto.
4626         (logb<mode>2): Ditto.
4627         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
4628         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
4629         (*fxtractxf3_i387): Rename from *fxtractxf3.
4630         (fxtract_extend<mode>xf3_i387): New insn pattern.
4631         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
4632         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
4633         and gen_fyl2xxf3_i387().
4635 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
4637         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
4638         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
4639         get_loop_exit_edges.  Changed return type to bool.
4640         * cfgloop.h (fix_loop_placement): Declaration removed.
4642 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
4644         * param.h (MIN_VECT_LOOP_BOUND): New.
4645         * params.def (MIN_VECT_LOOP_BOUND): New.
4646         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
4647         argument - minimum threshold for number of iterations.
4648         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
4649         argument to declaration.
4650         * tree-vect-analyze.c (vect_analyze_operations): Check value of
4651         MIN_VECT_LOOP_BOUND.
4652         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
4653         slpeel_tree_peel_loop_to_edge with additional argument.
4654         (vect_do_peeling_for_alignment): Likewise.
4655         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
4657 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
4659         PR target/30413
4660         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
4661         operands of size 1.
4663 2007-01-14  Jan Hubicka  <jh@suse.cz>
4665         * tree-dfa.c (remove_referenced_var): New function.
4666         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
4667         prune referenced vars list too.
4668         * tree-flow.h (remove_referenced_var): Declare.
4670 2007-01-14  Jan Hubicka  <jh@suse.cz>
4672         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
4673         separately.
4674         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
4675         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
4676         * except.h (verify_eh_throw_table_statements): Kill prototype.
4677         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
4678         into call exrepssions.
4679         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
4680         eh trhow verifier.
4681         * tree-cfg.c: Include pointer-set.h.
4682         (verify_node_sharing): Work on pointer set.
4683         (verify_eh_throw_stmt_node): New.
4684         (verify_stmts): Use pointers sets, verify throw_stmt.
4686 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
4688         * ipa-reference.c (analyze_function): Consider also addresses taken
4689         in phi nodes.
4691 2007-01-12  Roger Sayle  <roger@eyesopen.com>
4693         * c-typeck.c (null_pointer_constant_p): Replace use of
4694         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4695         (build_c_cast): Likewise.
4697 2007-01-12  Roger Sayle  <roger@eyesopen.com>
4699         * tree.h (force_fit_type_double): Remove unused final argument.
4700         * c-common.c (constant_expression_warning): Replace use of
4701         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4702         (convert_and_check): Likewise.
4703         (shorten_compare): Update call to force_fit_type_double.
4704         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
4705         * convert.c (convert_to_pointer): Update call to
4706         force_fit_type_double.
4707         * fold-const.c (force_fit_type_double): Remove overflowed_const
4708         argument.
4709         (int_const_binop, fold_convert_const_int_from_int,
4710         fold_convert_const_int_from_real, fold_div_compare,
4711         fold_sign_changed_comparison, fold_unary, fold_negate_const,
4712         fold_abs_const, fold_not_const): Remove the final argument from
4713         calls to force_fit_type_double.
4715 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4717         * configure.ac: Set insn to "nop" for spu-*-* also.
4718         * configure: Regenerate.
4720 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
4722         * builtins.def : Add BUILT_IN_FREE.
4724 2007-01-12  Jan Hubicka  <jh@suse.cz>
4726         PR tree-optimization/30443
4727         * tree-inline.c (tree_function_versioning): Do not optimize when
4728         cloning for inlining.
4730 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
4732         * doc/loop.texi: Document recording of loop exits.
4733         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
4734         (update_single_exits_after_duplication,
4735         update_single_exit_for_duplicated_loop,
4736         update_single_exit_for_duplicated_loops): Removed.
4737         (duplicate_loop_to_header_edge): Do not call
4738         update_single_exits_after_duplication and
4739         update_single_exit_for_duplicated_loops.
4740         (loop_version): Do not update single_exit information.
4741         (fix_loop_structure): Use record_loop_exits instead of
4742         mark_single_exit_loops.
4743         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
4744         the lists of loop exits.
4745         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
4746         split_edge, merge_blocks): Update the lists of loop exits.
4747         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
4748         loop_optimizer_init.
4749         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
4750         of mark_single_exit_loops.
4751         (loop_optimizer_finalize): Call release_recorded_exits.
4752         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
4753         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
4754         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
4755         update single exit information.
4756         * lambda-code.c (perfect_nestify): Ditto.
4757         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
4758         (mark_single_exit_loops): Removed.
4759         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
4760         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
4761         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
4762         functions.
4763         (get_loop_exit_edges, single_exit): Use recorded exit lists.
4764         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
4765         (verify_loop_structure): Verify consistency of the exit lists.
4766         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
4767         (set_single_exit): Removed.
4768         * cfgloop.h (struct loop_exit): New function.
4769         (struct loop): single_exit_ field replaced by exits field.
4770         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
4771         (struct loops): Added exits hash.
4772         (mark_single_exit_loops, set_single_exit): Declaration removed.
4773         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
4775 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4777         * doc/invoke.texi: Avoid use of @headitem.
4779 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4781         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
4783 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4785         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
4786         list of targets.
4788 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
4789             Richard Sandiford  <richard@codesourcery.com>
4791         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
4792         * config/m68k/m68k.opt: Resort options.
4793         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
4795 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
4796             Richard Sandiford  <richard@codesourcery.com>
4798         * doc/invoke.texi: Document the macros that are defined by
4799         m68k's -mtune and -mhard-float options.
4800         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
4801         (m68k_cpp_cpu_family): Likewise.
4802         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
4803         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
4804         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
4805         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
4806         (m68k_cpp_cpu_family): Likewise.
4808 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4810         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
4811         macros besides mc68000 as tuning macros.  Use a switch statement
4812         to set them and mcpu32.
4814 2007-01-12  Julian Brown  <julian@codesourcery.com>
4816         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
4817         (TARGET_68040_ONLY): Rename to...
4818         (TARGET_68040): ...this.
4819         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
4820         * config/m68k/m68k.md: Likewise.
4822 2007-01-12  Julian Brown  <julian@codesourcery.com>
4823             Nathan Sidwell  <nathan@codesourcery.com>
4824             Richard Sandiford  <richard@codesourcery.com>
4826         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
4827         the -mcpu= argument associated with the --with-cpu setting.
4828         Define M68K_DEFAULT_TUNE to the default -mtune= option,
4829         if different from the one implied by the -mcpu setting.
4830         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
4831         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
4832         * doc/invoke.texi: Mention ColdFire in the introduction to the
4833         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
4834         -mno-div and -mhard-float options.  Make -m68881 a synonym for
4835         -mhard-float.  Document the previously-undocumented -m5206e,
4836         -m528x, -m5307 and -m5407 options.  Tweak the existing option
4837         documentation for consistency.
4838         * doc/install.texi: Mention new --with-cpu arguments.
4839         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
4840         default CPU if neither -mcpu nor -march are specified.
4841         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
4842         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
4843         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
4844         using m68k_tune to decide between families that implement the
4845         same ISA.  Use m68k_tune to set __mcfv4e__.
4846         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
4847         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
4848         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
4849         (FL_ISA_C, FL_ISA_MMU): New macros.
4850         (MASK_COLDFIRE): Delete.
4851         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
4852         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
4853         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
4854         (TARGET_HARD_FLOAT): Do not define here.
4855         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
4856         (TUNE_68000): New macro.
4857         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
4858         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
4859         (TUNE_CFV2): Redefine in terms of m68k_tune.
4860         (uarch_type, target_device, fpu_type): New enums.
4861         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
4862         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
4863         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
4864         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
4865         (FL_FOR_isa_c): New macros.
4866         (m68k_isa): New enum.
4867         (m68k_target_selection): New structure.
4868         (all_devices, all_isas, all_microarchs): New tables.
4869         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
4870         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
4871         (MASK_ALL_CPU_BITS): Delete.
4872         (m68k_find_selection): New function.
4873         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
4874         Map the legacy target options to a combination of the new ones.
4875         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
4876         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
4877         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
4878         settings.
4879         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
4880         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
4881         properties.
4882         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
4883         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
4884         * config/m68k/m68k-devices.def: New file.
4886 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4887             Nathan Sidwell  <nathan@codesourcery.com>
4889         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
4890         (SUBTARGET_EXTRA_SPECS): New macros.
4891         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
4892         use %(asm_cpu_spec) instead.
4893         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
4894         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
4895         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
4896         (EXTRA_SPECS): Rename to...
4897         (SUBTARGET_EXTRA_SPECS): ...this.
4899 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
4900             Richard Sandiford  <richard@codesourcery.com>
4901             Julian Brown  <julian@codesourcery.com>
4903         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4904         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
4905         to the configuration's default CPU.
4906         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
4907         Remove default masks.
4908         (m680[012]0-*-*): Set the default with_cpu to the first part of
4909         the target name.
4910         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
4911         (m68k*-*-linux): Extend the --with-cpu handling to...
4912         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
4913         and m68010.  Don't set target_cpu_default2.
4914         * doc/install.texi: Document --with-cpu for m68k.
4915         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
4916         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
4917         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
4918         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
4919         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
4920         (ASM_SPEC): Remove use of %(asm_cpu_default).
4921         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
4922         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
4923         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
4924         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
4925         __HAVE_FPU__ if TARGET_HARD_FLOAT.
4926         (TARGET_DEFAULT): Delete.
4927         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
4928         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
4929         (CPP_CPU_SPEC): Delete.
4930         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
4931         the appropriate string.
4932         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
4933         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
4934         (ASM_SPEC): Don't use %(asm_default_spec).
4935         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4936         TARGET_DEFAULT and add MASK_68881.
4937         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
4939 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4941         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
4942         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
4943         MASK_68010 alongside MASK_68020.
4944         * doc/invoke.texi: Document -m68010.
4945         * config/m68k/m68k.opt (m68010): New.
4946         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
4947         if TUNE_68010.
4948         (TUNE_68010): New macro.
4949         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
4950         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
4951         (M68K_CPU_m68332): Add MASK_68010.
4952         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
4953         fallback definition.
4954         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
4955         defines.
4956         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
4957         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
4958         to all entries that use MASK_68020.
4959         (output_move_simode_const, output_move_himode, output_move_qimode)
4960         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
4961         instead of TARGET_68020 to select clr behavior.  Remove comment
4962         about there being no TARGET_68010.
4963         * config/m68k/m68k.md: Likewise throughout.
4965 2007-01-12  Julian Brown  <julian@codesourcery.com>
4967         * config/m68k/m68k.h (TARGET_ISAB): New macro.
4968         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
4969         * config/m68k/m68k.md: Likewise.
4971 2007-01-12  Julian Brown  <julian@codesourcery.com>
4973         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
4974         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
4976 2007-01-12  Julian Brown  <julian@codesourcery.com>
4978         * config/m68k/m68k.h (TUNE_68040_60): New macro.
4979         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
4980         * config/m68k/m68k.md: Likewise.
4982 2007-01-12  Julian Brown  <julian@codesourcery.com>
4983             Richard Sandiford  <richard@codesourcery.com>
4985         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
4986         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
4987         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
4988         TARGET_CPU32.
4989         (TARGET_CPU32): Rename to...
4990         (TUNE_CPU32): ...this.
4991         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
4992         (TUNE_CFV2): New macros.
4993         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
4994         remove conditions that are implied by TARGET_68020.
4995         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
4996         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
4997         (m68k_output_function_epilogue): Likewise.
4998         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
4999         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
5000         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
5001         non-68000 timings.  Refactor multiplication and division costs.
5002         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
5003         TUNE_CPU32 instead of TARGET_CPU32.
5004         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
5005         and TUNE_68060 instead of TARGET_68060.
5006         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
5007         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
5008         TARGET_CPU32.
5009         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
5010         && !TARGET_COLDFIRE" to choose between moveq and clr.
5011         Likewise in the unnamed movsf pattern.
5012         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
5013         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
5014         ashiftrt pattern.
5016 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5018         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
5019         of tabbing before backslashes.
5021 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5023         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
5024         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
5025         (ASM_OUTPUT_INTERNAL_LABEL): Define.
5027 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5029         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
5030         find_interesting_uses_cond.
5031         (find_interesting_uses_cond): Use extract_cond_operands.
5032         (rewrite_use_compare): Use extract_cond_operands and
5033         force_gimple_operand_bsi.  Do not call update_stmt.
5034         (determine_use_iv_cost_condition): Use extract_cond_operands.
5035         Return cheaper of using original bound and changing the exit bound.
5037 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5039         PR tree-optimization/29516
5040         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
5041         most_expensive_mult_to_index, addr_to_parts,
5042         create_mem_ref, maybe_fold_tmr): Make the type of
5043         fields of TARGET_MEM_REF sizetype.
5044         (move_fixed_address_to_symbol, move_pointer_to_base):
5045         New functions.
5046         * tree.def (TARGET_MEM_REF): Add comment on types of
5047         the operands.
5049 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
5051         * c-common.c (vector_types_convertible_p): Treat opaque types as
5052         always convertible if they have the same size, but not otherwise.
5054 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
5056         * ifcvt.c (struct noce_if_info): Add comments to the fields.
5057         Remove the b_unconditional field.
5058         (noce_try_sign_mask): Do not look at b_unconditional.
5059         (noce_process_if_block): Do not use merge_if_blocks.  Update
5060         the CFG here.  Do not set b_unconditional.
5061         (cond_move_process_if_block): Likewise.
5062         (find_cond_trap): Likewise.
5063         (check_cond_move_block): Require simple jump insns at the end
5064         of the basic block.
5066 2007-01-11  Jan Hubicka  <jh@suse.cz>
5068         PR tree-optimization/1046
5069         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
5070         when alias info is not ready.
5071         (pass_tail_recursion): Do not require aliasing.
5072         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
5073         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
5074         * tree-ssa-copy.c (pass_copy_prop): Likewise.
5075         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5076         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
5077         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
5078         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
5079         before inlining.
5080         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
5081         When aliasing is not build, mark statement as volatile.
5083 2007-01-11  Tom Tromey  <tromey@redhat.com>
5085         PR preprocessor/15185, PR preprocessor/20989:
5086         * doc/cppopts.texi <-MT>: Update description of algorithm for
5087         computing default target.
5088         <-M, -MD>: Reword "basename" text.
5090 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5092         * builtins.c (expand_builtin_pow, expand_builtin_powi,
5093         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
5094         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5095         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
5096         fold_builtin_bswap, real_constp, fold_builtin_pow,
5097         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
5098         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
5099         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5100         * convert.c (convert_to_pointer): Likewise.
5101         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
5102         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
5103         const_binop, fold_convert_const_int_from_int,
5104         fold_convert_const_int_from_real,
5105         fold_convert_const_real_from_real, sign_bit_p,
5106         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
5107         fold_sign_changed_comparison, fold_unary, fold_comparison,
5108         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
5109         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
5110         * print-tree.c (print_node_brief, print_node): Likewise.
5111         * stor-layout.c (place_field, layout_type): Likewise.
5112         * tree-chrec.c (keep_cast): Likewise.
5113         * tree.c (build_vector, build_real, build_real_from_int_cst,
5114         build_complex): Likewise.
5116 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5118         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
5119         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
5121 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
5123         * configure.ac (strict1_warn): Rename to strict_warn.
5124         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
5125         cc_set_by_configure, quoted_cc_set_by_configure,
5126         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
5127         all_boot_languages, all_stagestuff): Remove.
5128         (target_list): Remove bootstrap targets.
5129         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
5130         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
5131         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
5132         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
5133         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
5134         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
5135         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
5136         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
5137         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
5138         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
5139         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
5140         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
5141         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
5142         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
5143         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
5144         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
5145         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
5146         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
5147         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
5148         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
5149         (mostlyclean): Adjust.
5150         (clean, distclean): Don't mention bootstrap stuff.
5151         * configure: Regenerate.
5152         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
5153         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
5154         treelang/config-lang.in (stagestuff): Remove.
5155         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
5156         stageprofile, stagefeedback, stagestuff): Remove mention.
5158 2007-01-11  Nick Clifton  <nickc@redhat.com>
5160         * config/mcore/predicates.md (mcore_general_movesrc_operand):
5161         Accept CONSTs.
5162         (mcore_general_movdst_operand): Do not accept CONST_INTs.
5163         (mcore_arith_K_S_operand): Run the test for the S constraint not
5164         the test for the M constraint.
5165         (mcore_addsub_operand): Do not accept integer values that are
5166         larger than 32 bits.
5167         * config/mcore/mcore.md: Remove unused constraints from split.
5168         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
5169         (addsi3): Likewise.
5170         (allocate_stack): Likewise.
5171         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
5172         operands to 32 bits.
5173         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
5174         INTVAL.
5175         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
5176         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
5177         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
5178         mcore_output_bclri, mcore_output_andn, output_inline_const,
5179         mcore_output_move, mcore_output_movedouble): Likewise.
5180         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
5181         (output_inline_const): Likewise.
5182         (output_inline_const): Fix format strings used in sprintf
5183         statements.
5184         * config/mcore/mcore-protos.h: Update prototypes for changed
5185         functions in mcore.c.
5186         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
5187         HOST_WIDE_INT and not int.
5188         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
5189         CONST_OK_FOR_N): Likewise.
5190         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
5191         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
5192         an INTVAL.
5194 2007-01-10  Jan Hubicka  <jh@suse.cz>
5196         * tree-vrp.c (remove_range_assertions): Release defs.
5197         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
5198         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5200 2007-01-10  Paul Brook  <paul@codesourcery.com>
5202         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5203         * config/arm/arm.md (mulsi3subsi): New insn.
5205 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
5207         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5208         (tree_transform_and_unroll_loop): New.
5209         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5210         Declare.
5212 2007-01-10  Robert Kennedy <jimbob@google.com>
5214         * fold-const.c (fold_comparison): Fold comparisons like (x *
5215         1000 < 0) to (x < 0).
5217 2007-01-10  Ian Lance Taylor  <iant@google.com>
5219         * tree-pretty-print.c (dump_generic_node): Print parentheses when
5220         operands have the same priority.
5222 2007-01-10  Tom Tromey  <tromey@redhat.com>
5224         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5225         (fold_binary): Likewise.
5226         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5227         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5228         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5229         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5230         * langhooks.h (struct lang_hooks): Removed field
5231         'can_use_bit_fields_p'.
5233 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
5235         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5237 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
5239         * function.c (get_last_funcdef_no): New function.
5240         * function.h (get_last_funcdef_no): Declare.
5241         * tree-inline.c (initialize_cfun): Add initialization.
5242         (tree_function_versioning): Cleanup.
5244 2007-01-10  Jan Hubicka  <jh@suse.cz>
5246         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5247         PHIs.
5249 2007-01-10  Sa Liu  <saliu@de.ibm.com>
5250             Ben Elliston  <bje@au.ibm.com>
5252         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5253         for SAVE_NONLOCAL and Pmode for any other save level.
5254         * spu-protos.h (spu_restore_stack_block): Declare.
5255         * spu.md (save_stack_block): Remove.
5256         (restore_stack_block): Call spu_restore_stack_block.
5257         * spu.c (spu_restore_stack_block): New function.
5258         (spu_expand_epilogue): Remove old comment.
5260 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
5262         PR tree-optimization/30322
5263         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5264         (cand_value_at): Return the value as aff_tree.
5265         (may_eliminate_iv): Convert the bound from aff_tree to tree.
5266         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5267         aff_combination_mult): New functions.
5268         (aff_combination_add): Use aff_combination_add_cst.
5269         (aff_combination_convert): Allow conversions to a wider type.
5270         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5271         * tree-affine.h (aff_combination_mult): Declare.
5273 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
5275         * doc/tm.texi: Update documentation to reflect reality of exec
5276         and start file search behaviours. Update copyright year.
5277         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5278         header file directories.
5280 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
5282         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5283         (*cosxf2): Rename to cosxf2_i387.
5284         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
5285         using X87MODEF12 mode macro. Rename patterns to
5286         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
5287         for SSE math.
5288         (*cosdf2, *cossf2): Ditto.
5289         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
5290         to match extended input operands.
5291         (sincos<mode>3): New expander.
5292         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
5293         insn patterns and corresponding splitters.
5295 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5297         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
5298         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
5300 2007-01-09  Nicolas Pitre  <nico@cam.org>
5302         PR target/30173
5303         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
5305 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5307         * target.h (struct gcc_target): New field library_rtti_comdat.
5308         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
5309         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
5310         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
5311         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
5313 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5315         * doc/invoke.texi (Optimize Options): Correct description of -O0.
5317 2007-01-08  Richard Guenther  <rguenther@suse.de>
5319         * tree.h (force_fit_type_double): Export.
5320         (force_fit_type): Remove.
5321         * fold-const.c (force_fit_type_double): New function.
5322         (force_fit_type): Remove.
5323         (int_const_binop): Use it.
5324         (fold_convert_const_int_from_int): Likewise.
5325         (fold_convert_const_int_from_real): Likewise.
5326         (fold_div_compare): Likewise.
5327         (fold_sign_changed_comparison): Likewise.
5328         (fold_unary): Likewise.
5329         (fold_negate_const): Likewise.
5330         (fold_abs_const): Likewise.
5331         (fold_not_const): Likewise.
5332         * c-common.c (shorten_compare): Use force_fit_type_double.
5333         * convert.c (convert_to_pointer): Likewise.
5335 2007-01-08  Richard Guenther  <rguenther@suse.de>
5337         * tree.h (build_int_cst_wide_type): Export.
5338         * tree.c (build_int_cst_wide_type): New function.
5339         (build_int_cst_wide): Fix comment.
5340         * builtins.c (fold_builtin_object_size): Use build_int_cst
5341         to build -1 or 0 of the correct type.  Use fit_double_type
5342         to check for overflow.
5343         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
5344         to build the mask.
5345         (decode_field_reference): Likewise.
5346         (all_ones_mask_p): Likewise.
5347         (native_interpret_int): Use build_int_cst_wide_type.
5348         (fold_binary): Use build_int_cst_type to build an all-ones
5349         value.
5350         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
5352 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
5354         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
5356 2007-01-09  Ben Elliston  <bje@au.ibm.com>
5358         * genautomata.c (STATS_OPTION): New option.
5359         (stats_flag): New flag.
5360         (gen_automata_option): Handle it.
5361         (initiate_automaton_gen): Ditto.
5362         (write_automata): Output statistics only if stats_flag is
5363         set. Likewise, output time statistics only if time_flag is set.
5364         * doc/md.texi (Processor pipeline description): Document new flag.
5366 2007-01-08  Richard Guenther  <rguenther@suse.de>
5368         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
5369         * tree.c (build_int_cst_type): Likewise.
5370         (size_in_bytes): Don't call force_fit_type on the result.
5371         (int_fits_type_p): Use fit_double_type.
5372         * fold-const.c (fit_double_type): New function.
5373         (force_fit_type): Use it.
5374         * tree.h (fit_double_type): Export.
5376 2007-01-08  Jan Hubicka  <jh@suse.cz>
5378         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
5379         * ipa.c (function_and_variable_visibility): Fix return type.
5381 2007-01-08  Richard Guenther  <rguenther@suse.de>
5383         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
5384         of offset to build the index.
5385         * tree-pretty-print.c (dump_generic_node): Don't build negated
5386         const just for printing.
5387         * c-pretty-print.c (pp_c_integer_constant): Likewise.
5388         * builtins.c (fold_builtin_int_roundingfn): Check if result
5389         fits the type by using force_fit_type and comparing the result.
5390         * predict.c (predict_loops): Use compare_tree_int for comparison.
5391         * tree.c (build_int_cst): Fall back to integer_type_node for
5392         NULL_TREE type.
5393         (build_int_cst_wide): Assert type is non-null.
5395 2007-01-08  Roberto Costa  <roberto.costa@st.com>
5397         * tree-vrp.c (extract_range_from_cond_expr): New.
5398         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
5399         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
5400         as expressions.
5401         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
5402         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
5403         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
5404         used as expressions.
5405         * tree-object-size.c (cond_expr_object_size): New.
5406         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
5408 2007-01-08  Jan Hubicka  <jh@suse.cz>
5410         * tree-ssa-forwprop.c (forward_propagate_into_cond,
5411         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
5412         statement.
5414 2007-01-08  Richard Guenther  <rguenther@suse.de>
5416         PR tree-optimization/23603
5417         * tree-vrp.c (set_value_range_to_truthvalue): New function.
5418         (extract_range_from_binary): Fall back to truthvalue instead of
5419         varying for TRUTH_*_EXPR.
5420         (extract_range_from_comparison): Fall back to truthvalue instead of
5421         varying.
5422         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
5423         if all visited PHI values were constant.
5425 2007-01-08  Jan Hubicka  <jh@suse.cz>
5427         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
5428         (cgraph_analyze_function): break out from ...
5429         (cgraph_finalize_compilation_unit): ... here.
5430         (cgraph_expand_function): Remove forgoten commented out line.
5431         (cgraph_optimize): Analyze functions.
5433 2007-01-08  Jan Hubicka  <jh@suse.cz>
5435         * tree-pas.h (TODO_remove_function): New flag.
5436         (TODO_update*): Renumber.
5437         (pass_ipa_increase_alignment,
5438         pass_ipa_function_and_variable_visibility): New passes.
5439         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
5440         (cgraph_function_and_variable_visibility): Move to ipa.c
5441         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
5442         cgraph_increase_alignment.
5443         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
5444         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
5445         calling tree-inline.
5446         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
5447         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
5448         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
5449         (gate_increase_alignment): New function.
5450         (pass_ipa_increase_alignment): New pass.
5451         * ipa.c: Inline tree-pass.h and timevar.h
5452         (function_and_variable_visibility): Move here from cgraphunit.c
5453         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
5454         * passes.c (init_optimization_passes): Add the two new passes.
5455         (execute_todo): Handle cgraph_remove_functions.
5457 2007-01-08  Nick Clifton  <nickc@redhat.com>
5459         * config/frv/predicates.md (reg_or_0_operand): Accept
5460         CONST_DOUBLEs.
5462 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
5464         * config/bfin/rtems.h, config/bfin/t-rtems: New.
5465         * config.gcc: Add bfin*-rtems*.
5467 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5469         * c.opt: Add -flax-vector-conversions.
5470         * c-typeck.c (convert_for_assignment): Pass flag to
5471         vector_types_convertible_p to allow emission of note.
5472         (digest_init): Likewise.
5473         * c-opts.c: Handle -flax-vector-conversions.
5474         * c-common.c (flag_lax_vector_conversions): New.
5475         (vector_types_convertible_p): Unless -flax-vector conversions
5476         has been passed, disallow conversions between vectors with
5477         differing numbers of subparts and/or element types.  If such
5478         a conversion is disallowed, possibly emit a note on the first
5479         occasion only to inform the user of -flax-vector-conversions.
5480         The new last argument specifies this.
5481         * c-common.h (flag_lax_vector_conversions): New.
5482         (vector_types_convertible_p): Add extra argument.
5483         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
5484         char_type_node for V*QI type vectors.
5485         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
5486         Update to satisfy new typechecking rules.
5487         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
5488         C and C++ variants.
5489         * doc/invoke.texi (C Dialect Options): Document
5490         -flax-vector-conversions.
5492 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5494         PR tree-optimization/29877
5495         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
5496         a register variable on the RHS to not be replaceable.
5498 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
5499         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
5500         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
5501         const_simm15, const_pow2, const_npow2): Added.
5502         * config/score/misc.md (insv, extv, extzv, movmemsi,
5503         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
5504         * config/score/score.c (score_address_cost, score_select_cc_mode):
5505         Added.
5506         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
5507         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
5508         Update score_print_operand.
5509         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
5510         Adjust register allocate order and update some macro define.
5511         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
5512         mdx_block_move_straight, mdx_block_move_loop_head,
5513         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
5514         mdx_block_move): Added.
5515         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
5516         mdp_limm): Updated and fix some bug and typo.
5517         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
5518         (movsf, movdf, doloop_end): Added.
5520 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
5522         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
5523         config/arm/thumb2.md: Fix comment typos.
5524         * doc/extend.texi: Fix a typo.
5526 2007-01-07  Eric Christopher  <echristo@apple.com>
5528         * configure.ac: Check for __stack_chk_fail for darwin.
5529         * configure: Regenerate.
5531 2007-01-07  Richard Guenther  <rguenther@suse.de>
5533         * tree-vrp.c (extract_range_from_assert): CSE calls to
5534         compare_values where possible.
5535         (extract_range_from_unary_expr): Likewise.
5537 2007-01-07  Anatoly Sokolov <aesok@post.ru>
5539         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
5540         * config/avr/avr.c (call_insn_operand): Delete function.
5541         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
5542         instead of register number. Use predicates.
5543         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
5544         call_insn_operand): Add.
5546 2007-01-06  Jan Hubicka  <jh@suse.cz>
5548         * tree-pass.h (pass_build_cgraph_edges): Declare.
5549         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
5550         (visited_nodes): Remove.
5551         (cgraph_create_edges): Move to cgraphbuild.c; rename to
5552         build_cgrpah_edges; make visited_nodes local.
5553         (cgraph_process_new_functions): DO not call initialize_inline_failed.
5554         (record_references_in_initializer): Move to cgraphbuild.c
5555         (initialize_inline_failed, rebuild_cgraph_edges,
5556         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
5557         (verify_cgraph_node): Make visited_nodes local.
5558         (cgraph_analyze_function): Do not call cgraph_create_edges and
5559         initialize_inline_failed.
5560         (cgraph_expand_function): Do not call cgraph_lower_function;
5561         assert that function is already lowered.
5562         * Makefile.in (cgraphbuild.o): New.
5563         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
5564         at the end of lowering passes.
5566 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
5568         * ifcvt.c (cond_move_convert_if_block): New function, code
5569         factored out from...
5570         (cond_move_process_if_block): ...here.  Call the new function
5571         on the THEN and ELSE blocks.
5572         (merge_if_block): Do not copy global_live_at_end, merge_blocks
5573         already takes care of this.
5575 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5577         PR c/19978
5578         * tree.h (TREE_OVERFLOW_P): New.
5579         * c-typeck.c (parser_build_unary_op): Warn only if result
5580         overflowed and operands did not.
5581         (parser_build_binary_op): Likewise.
5582         (convert_for_assignment): Remove redundant overflow_warning.
5583         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
5585 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5587         * c-typeck.c (store_init_value): Split over two lines to follow
5588         the GNU coding style.
5590 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
5592         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
5593         __GXX_EXPERIMENTAL_CXX0X__.
5594         * doc/cpp.texi: Same.
5596 2007-01-05  Richard Guenther  <rguenther@suse.de>
5598         PR middle-end/27826
5599         * tree.c (get_narrower): Do not construct COMPONENT_REFs
5600         with mismatched types.  Instead explicitly build a
5601         conversion NOP_EXPR.
5603 2007-01-05  Ian Lance Taylor  <iant@google.com>
5605         * c-common.c (decl_with_nonnull_addr_p): New function.
5606         (c_common_truthvalue_conversion): Call it.
5607         * c-typeck.c (build_binary_op): Likewise.
5608         * c-common.h (decl_with_nonnull_addr_p): Declare.
5610 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
5612         PR c/30360
5613         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
5614         denom against 0.0.
5616 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
5618         * doc/install.texi (Final install): Document the fact that
5619         the GNAT runtime should not be stripped.
5621 2007-01-04  Jan Hubicka  <jh@suse.cz>
5623         * tree-inline.c (fold_marked_statements): Update operand caches
5624         and EH after folding
5626 2007-01-04  Ian Lance Taylor  <iant@google.com>
5628         * c-common.c (check_function_nonnull): Whitespace fix.
5630 2007-01-04  Jan Hubicka  <jh@suse.cz>
5632         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
5633         comitted older version of patch.
5634         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
5635         function, celanup cfg and collect garbage.
5637 2007-01-04  Mike Stump  <mrs@apple.com>
5639         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
5640         (clean): Likewise.
5642 2007-01-04  Eric Christopher  <echristo@apple.com>
5644         * libgcc2.c (__bswapsi2): Use SItype.
5645         (__bswapdi2): Use DItype.
5646         * libgcc2.h: Update for above.
5648 2007-01-04  Paul Brook  <paul@codesourcery.com>
5650         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
5651         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
5652         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
5653         umulsidi3, umulsidi3adddi, smulsi3_highpart,
5654         umulsi3_highpart): Make conditional on !arm_arch6.
5655         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
5656         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
5657         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
5658         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
5659         umulsi3_highpart_v6): New insns.
5661 2007-01-04  Roger Sayle  <roger@eyesopen.com>
5663         * fold-const.c (fold_convert): When casting an expression to void,
5664         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
5665         have a type.  Instead of attempting to build a NOP_EXPR, return
5666         these "special" trees directly.
5668 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
5670         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
5671         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
5672         rs6000_cost->fp not 0 as adjustment for outer NEG.
5674 2007-01-04  Jan Hubicka  <jh@suse.cz>
5676         * cgraph.c (cgraph_release_function_body): New function.
5677         (cgraph_remove_node): Use it.
5678         * cgraph.h (cgraph_release_function_body): Declare.
5679         * cgraphunit.c (cgraph_expand_function): Use it.
5680         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
5681         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
5682         is initialized and while compilation of other function is running.
5683         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
5684         statement CFG annotations from here to ...
5685         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
5687 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
5689         * cfgloop.h (enum li_flags): Make the constants powers of two.
5691 2007-01-04  Jan Hubicka  <jh@suse.cz>
5693         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
5694         set.
5695         (fold_marked_statements): New function.
5696         (optimize_inline_calls, tree_function_versioning): Fold new statements.
5697         * tree-inline.h (copy_body_data): Add statements_to_fold.
5699 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
5701         * config.gcc: Mention libgcc/config.host.
5702         * Makefile.in: Update comments mentioning libgcc.
5703         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
5704         (all.cross, start.encap, rest.encap, rest.cross): Update
5705         dependencies for libgcc move.
5706         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
5707         (clean-target, clean-target-libgcc): Delete.
5708         (srcdirify, GCC_EXTRA_PARTS): New macros.
5709         (libgcc-support, libgcc.mvars): New rules.
5710         (distclean): Remove mention of mklibgcc.
5711         (install): Don't reference INSTALL_LIBGCC.
5712         (install-common): Don't reference EXTRA_PARTS.
5713         (install-libgcc, install-multilib): Delete rules.
5714         * mklibgcc.in: Delete file.
5715         * doc/configfiles.texi: Don't mention mklibgcc.
5717         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
5718         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
5719         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
5720         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
5721         (mklibgcc, ldblspecs): Likewise.
5723         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
5724         (posixpre.def): Use $(T).
5725         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
5726         (SHLIB_SRC, SHLIB_INSTALL): Delete.
5727         (SHLIB_LINK): Make dummy.
5728         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
5730         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
5732         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
5733         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
5734         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
5735         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
5737         * configure.ac (all_outputs): Remove mklibgcc.
5738         * configure: Regenerated.
5740 2007-01-03  Josh Conner  <jconner@apple.com>
5742         PR middle-end/29683
5743         * calls.c (compute_argument_addresses): Set stack and stack_slot
5744         for partial args, too.
5745         (store_one_arg): Use locate.size.constant for the size when
5746         generating a save_area.
5748 2007-01-03  Robert Kennedy <jimbob@google.com>
5750         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
5751         whose definitions are deleted due to basic block merging.
5753 2007-01-03  Paul Brook  <paul@codesourcery.com>
5755         PR target/16634
5756         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
5757         functions.
5758         (use_return_insn): Return 0 for Thumb interrupt functions.
5759         (print_multi_reg): Add rfe argument for IRQ returns.
5760         (arm_output_epilogue): Pop interrupt return address directly into PC.
5761         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
5763 2007-01-03  Paul Brook  <paul@codesourcery.com>
5765         Merge from sourcerygxx-4_1.
5766         * config/arm/thumb2.md: New file.
5767         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
5768         Thumb-2.
5769         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
5770         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
5771         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
5772         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
5773         tables.
5774         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
5775         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
5776         comptibility.
5777         * config/arm/ieee754-sf.S: Ditto.
5778         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
5779         (thumb1_base_register_rtx_p): ... to this.
5780         (thumb_index_register_rtx_p): Rename...
5781         (thumb1_index_register_rtx_p): ... to this.
5782         (thumb_output_function_prologue): Rename...
5783         (thumb1_output_function_prologue): ... to this.
5784         (thumb_legitimate_address_p): Rename...
5785         (thumb1_legitimate_address_p): ... to this.
5786         (thumb_rtx_costs): Rename...
5787         (thumb1_rtx_costs): ... to this.
5788         (thumb_compute_save_reg_mask): Rename...
5789         (thumb1_compute_save_reg_mask): ... to this.
5790         (thumb_final_prescan_insn): Rename...
5791         (thumb1_final_prescan_insn): ... to this.
5792         (thumb_expand_epilogue): Rename...
5793         (thumb1_expand_epilogue): ... to this.
5794         (arm_unwind_emit_stm): Rename...
5795         (arm_unwind_emit_sequence): ... to this.
5796         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
5797         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
5798         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
5799         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
5800         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
5801         thumb2_output_casesi): New functions.
5802         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
5803         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
5804         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
5805         THUMB2_WORK_REGS): Define.
5806         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
5807         arm_condexec_mask, arm_condexec_masklen)): New variables.
5808         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
5809         (arm_override_options): Check new CPU capabilities.
5810         Set new architecture flag variables.
5811         (arm_isr_value): Handle v7m interrupt functions.
5812         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
5813         Thumb-2.
5814         (const_ok_for_arm): Handle Thumb-2 constants.
5815         (arm_gen_constant): Ditto.  Use movw when available.
5816         (arm_function_ok_for_sibcall): Return false for v7m interrupt
5817         functions.
5818         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
5819         (thumb_find_work_register, arm_load_pic_register,
5820         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
5821         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
5822         print_multi_reg, output_mov_long_double_fpa_from_arm,
5823         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
5824         output_mov_double_fpa_from_arm, output_move_double,
5825         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
5826         output_return_instruction, arm_output_function_prologue,
5827         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
5828         arm_output_mi_thunk, thumb_set_return_address): Ditto.
5829         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
5830         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
5831         (arithmetic_instr, shift_op): Use arm_shift_nmem.
5832         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
5833         '!' and 'L'.
5834         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
5835         (thumb_expand_prologue): Use thumb_set_frame_pointer.
5836         (arm_file_start): Output directive for unified syntax.
5837         (arm_unwind_emit_set): Handle stack alignment instruction.
5838         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
5839         Add v6t2, v7, v7a, v7r and v7m.
5840         (RETLDM): Add Thumb-2 code.
5841         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
5842         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
5843         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
5844         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
5845         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
5846         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
5847         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
5848         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
5849         ADJUST_INSN_LENGTH): Define.
5850         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
5851         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
5852         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
5853         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
5854         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
5855         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
5856         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
5857         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
5858         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
5859         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
5860         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
5861         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
5862         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
5863         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
5864         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
5865         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
5866         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
5867         cortex-m3.
5868         * config/arm/arm-tune.md: Regenerate.
5869         * config/arm/arm-protos.h: Update prototypes.
5870         * config/arm/vfp.md: Enable patterns for Thumb-2.
5871         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
5872         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
5873         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
5874         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
5875         * config/arm/libunwind.S: Add Thumb-2 code.
5876         * config/arm/constraints.md: Update include Thumb-2.
5877         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
5878         * config/arm/ieee754-df.S: Ditto.
5879         * config/arm/bpabi.S: Ditto.
5880         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
5881         * config/arm/predicates.md (low_register_operand,
5882         low_reg_or_int_operand, thumb_16bit_operator): New.
5883         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
5884         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
5885         * config/arm/t-arm-elf: Add armv7 multilib.
5886         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
5887         Include thumb2.md.
5888         (UNSPEC_STACK_ALIGN, ce_count): New.
5889         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
5890         arm_zero_extendsidi2, arm_zero_extendqidi2): New
5891         insns/expanders.
5892         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
5893         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
5894         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
5895         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
5896         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
5897         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
5898         insns.
5899         * doc/extend.texi: Document ARMv7-M interrupt functions.
5900         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
5902 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
5904         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
5905         (struct _Unwind_Context): Rename args_size to flags, remove
5906         signal_frame field, add a new args_size field and version field.
5907         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
5908         _Unwind_IsExtendedContext): New inline functions.
5909         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5910         Assume by_value array is only present if _Unwind_IsExtendedContext.
5911         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
5912         _Unwind_IsSignalFrame.
5913         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
5914         (uw_update_context_1): Use _Unwind_SetSignalFrame.
5915         (uw_init_context_1): Initialize context->flags to
5916         EXTENDED_CONTEXT_BIT.
5917         * config/rs6000/linux-unwind.h (frob_update_context): Use
5918         _Unwind_SetSignalFrame.
5920 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5922         PR middle-end/30353
5923         * gimplify.c (gimplify_modify_expr_complex_part): Move below
5924         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
5925         the value.
5927 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
5929         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
5930         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
5931         RET, AT_SP): Remove.
5932         * config/i386/i386.md (*sse_prologue_save_insn): Use return
5933         instead of RET.
5935         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
5936         * cfgbuild.c (find_basic_blocks): Likewise.
5937         * cfgrtl.c (rtl_create_basic_block): Likewise.
5938         * function.c (temp_slots_at_level): Likewise.
5939         * reg-stack.c (stack_regs_mentioned): Likewise.
5940         * regclass.c (allocate_reg_info): Likewise.
5941         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
5942         set_bb_for_stmt, move_block_to_fn): Likewise.
5943         * tree-complex.c (tree_lower_complex): Likewise.
5944         * vec.h (VEC_safe_grow_cleared): New.
5946         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
5948 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
5950         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
5951         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
5952         to loop_version.
5953         * cfgloopmanip.c (scale_loop_frequencies): Export.
5954         (loopify): Scale the frequencies by prescribed coefficients.
5955         (set_zero_probability): New function.
5956         (duplicate_loop_to_header_edge): Improve updating of frequencies.
5957         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
5958         and frequencies according to arguments.
5959         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
5960         correctly.
5961         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
5962         * modulo-sched.c (sms_schedule): Set probabilities for entering
5963         versioned loop correctly.
5964         * tree-vect-transform.c (vect_transform_loop): Ditto.
5965         * cfgloop.h (loopify, loop_version): Declaration changed.
5966         (scale_loop_frequencies): Declared.
5968 2007-01-02  Jan Hubicka  <jh@suse.cz>
5970         * cgraph.c: Include tree-flow.h
5971         (cgraph_add_new-function): Handle IPA_SSA mode; execute
5972         early_local_passes.
5973         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
5974         * tree-pass.h (pass_all_early_optimizations): Declare.
5975         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
5976         early_local_passes.
5977         (cgraph_analyze_function): Do early_local_passes.
5978         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
5979         Do not add referenced vars.
5980         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
5981         SSA form.
5982         (gate_all_early_local_passes): New gate.
5983         (pass_early_local_passes): Use new gate.
5984         (execute_early_local_optimizations): New functions.
5985         (gate_all_early_optimizations): New gate.
5986         (pass_all_early_optimizations): New pass.
5987         (execute_free_datastructures): Free SSA only when initialized.
5988         (gate_init_datastructures): Init only when optimizing.
5989         (tree_lowering_passes): Do early local passes when called late.
5990         * tree-profile.c (do_tree_profiling): Don't profile functions added
5991         late.
5992         (do_early_tree_profiling, pass_early_tree_profile): Kill.
5993         * tree-cfg.c (update_modified_stmts): Do not update when operands are
5994         not active.
5995         * passes.c (init_optimizations_passes): Reorder so we go into SSA
5996         during early_local_passes.
5997         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
6000 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6002         * Makefile.in: Update copyright year.
6004 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6006         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
6007         in $(lang_checks) and check-consistency targets.
6009 2007-01-02  Jan Hubicka  <jh@suse.cz>
6011         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6012         Do not add referenced vars.
6013         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
6014         are not active.
6015         * passes.c (init_optimization_passes): Put mudflap_2 after
6016         free_datastructures.
6018 2007-01-02  Jan Hubicka  <jh@suse.cz>
6020         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
6021         Set NOTHROW flag on call statements proved to be nothrow.
6022         Update statement of local calls so new pure/const functions are
6023         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
6024         goto receivers.
6025         (tree_rest_of_compilation): Register hooks and initialize bitmap
6026         early. Do not set after_inlining flag.
6028 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
6030         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
6031         HOST_BITS_PER_LONGLONG
6033 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6035         PR c/19977
6036         * c-typeck.c (store_init_value): Don't emit pedantic overflow
6037         warning for non-static initializers.
6039 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
6041         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
6042         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
6043         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
6044         Always use set_unique_reg_note to add REG_EQUAL notes.
6046 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6048         Revert:
6049         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6051         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6052         * cfgbuild.c (find_basic_blocks): Likewise.
6053         * cfgrtl.c (rtl_create_basic_block): Likewise.
6054         * function.c (temp_slots_at_level): Likewise.
6055         * reg-stack.c (stack_regs_mentioned): Likewise.
6056         * regclass.c (allocate_reg_info): Likewise.
6057         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6058         set_bb_for_stmt, move_block_to_fn): Likewise.
6059         * tree-complex.c (tree_lower_complex): Likewise.
6060         * vec.h (VEC_safe_grow_cleared): New.
6062 2007-01-02  Ian Lance Taylor  <iant@google.com>
6064         * c-common.c (c_common_truthvalue_conversion): When warning about
6065         using an assignment as a truth value, set TREE_NO_WARNING.
6067 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6069         PR middle-end/7651
6070         * c.opt (Wold-style-declaration): New.
6071         * doc/invoke.texi (C-only Warning Options): New.
6072         (Wold-style-declaration): Document it.
6073         (Wextra): Enabled by -Wextra.
6074         * c-opts.c (c_common_post_options): Enabled by -Wextra.
6075         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
6076         -Wold-style-declaration.
6078 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6080         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6081         * cfgbuild.c (find_basic_blocks): Likewise.
6082         * cfgrtl.c (rtl_create_basic_block): Likewise.
6083         * function.c (temp_slots_at_level): Likewise.
6084         * reg-stack.c (stack_regs_mentioned): Likewise.
6085         * regclass.c (allocate_reg_info): Likewise.
6086         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6087         set_bb_for_stmt, move_block_to_fn): Likewise.
6088         * tree-complex.c (tree_lower_complex): Likewise.
6089         * vec.h (VEC_safe_grow_cleared): New.
6091 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
6093         * c-common.c (c_common_nodes_and_builtins): Since variants of
6094         void_type_node get built before it is given a name, we need to
6095         give those variants the name, too.
6096         (complete_array_type): We need to work with the canonical main
6097         type of the array, from which we will build the qualified version.
6098         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
6099         * print-tree.c (print_node): Display canonical type information
6100         for each type.
6101         * stor-layout.c (layout_type): When we don't know the
6102         alignment of a type for which we're building an array, we end up
6103         guessing wrong, so make the type require structural equality.
6104         * tree.c (make_node_stat): When we build a new type, it is its
6105         own canonical type.
6106         (build_type_attribute_qual_variant): When building an attribute
6107         variant, its canonical type is the non-attribute variant. However,
6108         if the attributes are target-dependent and they differ, we need to
6109         use structural equality checks for this type.
6110         (build_qualified_type): A qualified type is not equivalent to its
6111         unqualified variant; set the canonical type appropriately.
6112         (build_distinct_type_copy): When building a distinct type from
6113         another type, the new type is its own canonical type.
6114         (build_variant_type_copy): When building a new type variant, we
6115         assume that it is equivalent to the original type.
6116         (build_pointer_type_for_mode): When building a pointer type, also
6117         build a canonical type pointer.
6118         (build_reference_type_for_mode): When building a reference type,
6119         also build a canonical type reference.
6120         (build_index_type): When we can't hash an index type (e.g.,
6121         because its maximum value is negative), the index type requires
6122         structural equality tests.
6123         (build_array_type): Build the canonical form of an array type.
6124         (build_function_type): Function types require structural equality,
6125         because they contain default arguments, attributes, etc.
6126         (build_method_type_directly): Ditto for method types.
6127         (build_offset_type): Build the canonical offset type.
6128         (build_complex_type): Build the canonical vector type.
6129         (make_vector_type): Build the canonical vector type.
6130         * tree.h (TYPE_CANONICAL): New.
6131         (TYPE_STRUCTURAL_EQUALITY_P): New.
6132         (SET_TYPE_STRUCTURAL_EQUALITY): New.
6133         (struct tree_type): Added "canonical" field.
6134         * params.h (VERIFY_CANONICAL_TYPES): New.
6135         * doc/c-tree.texi (TYPE_CANONICAL): Document.
6136         (TYPE_STRUCTURAL_EQUALITY_P): Document.
6137         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
6138         * doc/invoke.texi (verify-canonical-types): Document --param
6139         parameter for verifying canonical types.
6141 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6143         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
6144         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
6145         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
6146         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
6147         tm_file.
6148         * config/rs6000/e500.h: New.
6149         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
6150         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
6151         Remove.
6152         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
6153         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
6154         TARGET_E500_DOUBLE): Remove.
6155         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
6156         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
6157         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
6158         * config/rs6000/rs6000.c (rs6000_override_options): Use
6159         CHECK_E500_OPTIONS.
6161 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6163         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
6164         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
6165         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
6166         rs6000_emit_cmove): Don't check TARGET_E500.
6167         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
6168         sordered): Don't check TARGET_E500.
6170 2007-01-01  Eric Christopher  <echristo@apple.com>
6172         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
6173         HARD_REGISTER_NUM_P.
6175 2007-01-01  Roger Sayle  <roger@eyesopen.com>
6177         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
6178         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
6179         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
6180         eq/ne Y".
6182 2007-01-01  Mike Stump  <mrs@apple.com>
6184         * configure.ac: Remove support for building with Apple's gcc-3.1.
6186 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6188         PR middle-end/30311
6189         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
6190         REG is a hard register.  Do not modify REG before calling
6191         subreg_nregs.
6192         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
6193         multiple of the size of YMODE for certain lowpart cases.
6195 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6197         PR middle-end/30253
6198         * gimplify (voidify_wrapper_expr): Update for
6199         GIMPLE_MODIFY_STMT.
6201 2007-01-01  Andreas Schwab  <schwab@suse.de>
6203         PR target/29166
6204         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6205         save of BR0 in extra_spill_size instead of spill_size.
6206         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6207         area.
6208         (ia64_expand_epilogue): Restore BR0 from its new location.
6210 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6212         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6213         Use a temporary variable if the left hand side is not a gimple
6214         register.
6216 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6218         * gimplify.c (gimplify_return_expr): Make the temporary variable
6219         for the return expression, a gimple register variable.
6221 2007-01-01  Jan Hubicka  <jh@suse.cz>
6223         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6224         INSN_LIST.
6226 2007-01-01  Mike Stump  <mrs@apple.com>
6228         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6229         .literal16.
6230         * config/darwin.c (machopic_select_rtx_section): Use
6231         HAVE_GAS_LITERAL16.
6232         (darwin_mergeable_constant_section): Likewise.
6233         * configure: Regenerate.
6234         * config.in: Regenerate.
6236 2007-01-01  Jan Hubicka  <jh@suse.cz>
6237             Andrew Pinski  <pinskia@gmail.com>
6239         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6240         before starting IPA passes.