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* optabs.h (enum optab_index): Add new OTI_scalb.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2             Uros Bizjak  <ubizjak@gmail.com>
3
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.
14
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.
18
19 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20             DJ Delorie <dj@redhat.com>
21
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.
26
27 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
28
29         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
30         better code generation.
31
32 2007-02-20  Ben Elliston  <bje@au.ibm.com>
33
34         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
35
36 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
37
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.
43
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.
56
57 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
58
59         PR target/29943
60         * varasm.c (use_blocks_for_decl_p): Return false for decls with
61         alias attribute.
62
63 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
64
65         * doc/invoke.texi (-ftree-lrs): Remove.
66
67 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
68
69         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
70         NULL.
71
72 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
73
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>
79
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>
97
98         * tree-cfg.c (dump_function_to_file): Be prepared for functions
99         without DECL_STRUCT_FUNCTION initialized.
100
101 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
102
103         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
104         due to calls to functions taking pointers as parameters.
105
106 2007-02-19  Richard Henderson  <rth@redhat.com>
107
108         PR debug/29558
109         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
110         in memory.
111
112 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
113
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.
117
118 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
119
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.
137
138 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
139
140         PR tree-optimization/30975
141         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
142         wrong assert.
143
144 2007-02-18  Eric Christopher  <echristo@gmail.com>
145
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.
152
153 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
154
155         * tree-sra.c (sra_build_assignment): Replace assertion
156         checking with a comment explaining why it can't be done.
157
158 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
159
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.
164
165 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
166
167         * tree-sra.c (sra_build_assignment): Disable assertion checking
168         for now.
169
170 2007-02-18  Roger Sayle  <roger@eyesopen.com>
171
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.
197
198 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
199
200         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
201         config/sh/sh.md: Follow spelling conventions.
202
203         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
204         config/frv/predicates.md: Follow spelling conventions.
205
206         * config/m68k/linux-unwind.h: Fix a comment typo.
207         * target.h: Follow spelling conventions.
208
209 2007-02-18  Roger Sayle  <roger@eyesopen.com>
210
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).
217
218 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
219
220         * builtins.c (fold_builtin_load_exponent): New.
221         (fold_builtin_2): Use it.
222
223 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
224
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.
228
229 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
230             Roger Sayle  <roger@eyesopen.com>
231
232         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
233
234 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
235
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.
245
246 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
247
248         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
249
250 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
251
252         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
253         for arg pointer based indexed addressing.
254
255 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
256
257         * config/ia64/ia64.h, config/ia64/ia64.md,
258         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
259         spelling conventions.
260
261 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
262
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.
267
268 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
269
270         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
271         parameter for register bitfield operations, general predicates
272         cleanup
273
274 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
275
276         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
277         * config/m68k/linux-unwind.h: New file.
278
279 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
280
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.
288
289 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
290
291         * sched-deps.c (find_insn_list): Remove.
292         * sched-int.h: Remove the prototype for find_insn_list.
293
294 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
295
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.
314
315         * config/rs6000/rs6000.c: Clean up trailing whitespace.
316
317 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
318
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.
327
328 2007-02-16  Richard Guenther  <rguenther@suse.de>
329             Christian Bruel  <christian.bruel@st.com>
330
331         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
332         DECLs but prefer SSA_NAMEs over DECLs.
333
334 2007-02-16  Richard Guenther  <rguenther@suse.de>
335
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.
342
343 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
344
345         PR other/27843
346         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
347         nested double- and backquotes.
348
349 2007-02-15  Roger Sayle  <roger@eyesopen.com>
350
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.
363
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.
376
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.
385
386 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
387
388         PR middle-end/30433
389         * fold-const.c (fold_comparison): Add back the
390         folding of constant complex comparisions.
391
392 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
393
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.
397
398 2007-02-15  Ian Lance Taylor  <iant@google.com>
399
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.
407
408 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
409             Brooks Moses  <brooks.moses@codesourcery.com>
410             Lee Millward  <lee.millward@codesourcery.com>
411
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.
462
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.
491
492         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
493         tcc_vl_exp instead of a fixed-size tcc_expression.
494
495         * doc/c-tree.texi (CALL_EXPR): Document new representation and
496         accessors for CALL_EXPRs.
497         (AGGR_INIT_EXPR): Likewise.
498
499 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
500             Brooks Moses  <brooks.moses@codesourcery.com>
501             Lee Millward  <lee.millward@codesourcery.com>
502
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.
574
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.
626
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.
643
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.
657
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.
663
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.
677
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.
698
699 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
700             Brooks Moses  <brooks.moses@codesourcery.com>
701             Lee Millward  <lee.millward@codesourcery.com>
702
703         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
704         accessors and dump arguments explicitly.
705
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.
711
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.
715
716         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
717         (vrp_visit_stmt): Likewise.
718
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.
723
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.
727
728         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
729         build the call.
730
731         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
732         and walk arguments explicitly.
733
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.
738
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.
742
743         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
744         instead of TREE_CODE_LENGTH.
745
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.
754
755         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
756         (eliminate_tail_call): Likewise.
757
758         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
759
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.
764
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.
778
779         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
780         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
781
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.
785
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.
791
792         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
793
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.
800
801         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
802         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
803
804         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
805         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
806
807         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
808         accessors.
809
810         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
811         (execute_cse_sincos): Use new CALL_EXPR accessors.
812
813         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
814
815         * gimple-low.c (lower_function_body): Use build_call_expr.
816         (lower_builtin_setjmp): Likewise.
817
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.
823
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.
827
828         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
829         (strip_builtin_expect): Likewise.
830
831         * function.c (gimplify_parameters): Use build_call_expr.
832
833         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
834         instead of TREE_CODE_LENGTH.
835
836         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
837         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
838
839         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
840         iterators.
841
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.
853
854         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
855         (call_expr_flags): Likewise.
856         (expand_call): Likewise.
857
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.
861
862         * coverage.c (create_coverage): Use build_call_expr.
863
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.
881
882         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
883         and walk arguments explicitly instead of as a list.
884
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.
889
890         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
891         (ipa_callsite_compute_param): Likewise.
892
893         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
894         accessors and constructor.
895
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.
901
902         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
903         accessors.
904
905         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
906
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.
912
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.
922
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.
927
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.
934
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.
938
939         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
940         of TREE_CODE_LENGTH.
941
942         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
943         of TREE_CODE_LENGTH.
944
945         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
946         constructor.
947         (convert_to_integer): Likewise.
948
949         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
950         accessors.
951
952 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
953             Brooks Moses  <brooks.moses@codesourcery.com>
954             Lee Millward  <lee.millward@codesourcery.com>
955
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.
960
961         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
962         (sparc_expand_builtin): Use new CALL_EXPR accessors.
963
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.
976
977         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
978         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
979
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.
983
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.
1010
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.
1015
1016         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1017         accessors.
1018
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.
1023
1024 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1025             Brooks Moses  <brooks.moses@codesourcery.com>
1026             Lee Millward  <lee.millward@codesourcery.com>
1027
1028         * c-semantics.c (build_stmt): Add internal diagnostic check.
1029
1030         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1031         accessors.  Print arguments explicitly instead of as a list.
1032
1033         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1034
1035         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1036         (c_finish_omp_flish): Likewise.
1037
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.
1043
1044 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1045
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.
1067
1068 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1069
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.
1073
1074 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1075
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.
1079
1080 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1081
1082         * jump.c: Remove prototypes for delete_computation and
1083         delete_prior_computation.
1084
1085 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1086
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.
1096
1097 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1098
1099         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1100
1101 2007-02-15  Nick Clifton  <nickc@redhat.com>
1102
1103         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1104         order to prevent it from being munged by the target.
1105
1106 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1107
1108         * config/i386/i386.md: Remove misleading comment.
1109
1110 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1111
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.
1115
1116 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1117
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.
1123
1124 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1125
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.
1131
1132 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1133
1134         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1135         limbo die nodes.
1136
1137 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1138
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.
1142
1143 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1144             Zdenek Dvorak  <dvorakz@suse.cz>
1145
1146         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1147         name.
1148
1149 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1150
1151         * passes.c (next_pass_1): Clear the next field of the copied
1152         pass structure.
1153
1154 2007-02-14  Richard Henderson  <rth@redhat.com>
1155
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.
1161
1162 2007-02-14  Richard Guenther  <rguenther@suse.de>
1163
1164         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1165
1166 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1167
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.
1175
1176 2007-02-14  Nick Clifton  <nickc@redhat.com>
1177
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.
1181
1182 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1183
1184         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1185         Ensure dst->current is valid.
1186
1187 2007-02-13  Paul Brook  <paul@codesourcery.com>
1188
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.
1202
1203 2007-02-13  Ian Lance Taylor  <iant@google.com>
1204
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.
1284
1285 2007-02-13  Ian Lance Taylor  <iant@google.com>
1286
1287         PR middle-end/30751
1288         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1289         addresses.
1290
1291 2007-02-13  Stuart Hastings  <stuart@apple.com>
1292
1293         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1294
1295 2007-02-13  Richard Henderson  <rth@redhat.com>
1296
1297         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1298         handled_component_p before looking for the indirect_ref.
1299
1300 2007-02-13  Richard Henderson  <rth@redhat.com>
1301
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.
1308
1309         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1310         (expand_unop): Use them.
1311
1312 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1313
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.
1322
1323 2007-02-12  Richard Henderson  <rth@redhat.com>
1324
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.
1332
1333 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1334
1335         PR c/29521
1336         * c-typeck.c (c_finish_return): Improve warning message.
1337
1338 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1339
1340         * alias.c (find_symbolic_term): Delete unused function.
1341
1342 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1343
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.
1347
1348 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1349
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.
1353
1354 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1355
1356         * dwarf2out.c (round_up_to_align): New static function.
1357         (field_byte_offset): Use it to round the offset.
1358
1359 2007-02-12  Richard Henderson  <rth@redhat.com>
1360
1361         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1362         (inswl_const): Export.
1363
1364 2007-02-12  Richard Henderson  <rth@redhat.com>
1365
1366         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1367         result mode of the libcall, convert back to outmode.
1368
1369 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1370
1371         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1372         (bswapdi2): New define_expand to implement 32-bit implementation.
1373
1374 2007-02-12  Nick Clifton  <nickc@redhat.com>
1375
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.
1413
1414 2007-02-12  Richard Henderson  <rth@redhat.com>
1415
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.
1429
1430 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1431
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.
1435
1436 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1437
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.
1447
1448 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1449             Matt Thomas  <matt@3am-software.com>
1450
1451         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1452
1453 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1454
1455         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1456         comparisons of POPCOUNT against zero.
1457         (simplify_const_relational_operation): Likewise.
1458
1459 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1460
1461         * doc/invoke.texi (Wextra): Delete outdated paragraph.
1462
1463 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1464
1465         * dwarf2out.c (root_type): Delete unused function.
1466
1467 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1468
1469         * genattrtab.c (contained_in_p): Delete unused function.
1470         (write_expr_attr_cache): Likewise.
1471
1472 2007-02-11  Jan Hubicka  <jh@suse.cz>
1473
1474         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1475         previous patch.
1476
1477 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
1478
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.
1491
1492 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
1493
1494         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
1495         (ix86_builtin_conversion): New function.
1496
1497 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
1498
1499         PR target/29487
1500         * tree.h (DECL_REPLACEABLE_P): New macro.
1501         * except.c (set_nothrow_function_flags): Likewise.
1502
1503 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
1504             Ira Rosen  <irar@il.ibm.com>
1505             Dorit Nuzman  <dorit@il.ibm.com>
1506
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.
1525
1526 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1527
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.
1534
1535 2007-02-10  Richard Henderson  <rth@redhat.com>
1536             Jakub Jelinek  <jakub@redhat.com>
1537             Alexandre Oliva  <aoliva@redhat.com>
1538
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.
1573
1574 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1575
1576         PR rtl-optimization/29599
1577         * reload1.c (eliminate_regs_in_insn): Take the destination
1578         mode into account when computing the offset.
1579
1580 2007-02-09  Stuart Hastings  <stuart@apple.com>
1581             Richard Henderson  <rth@redhat.com>
1582
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.
1604
1605 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1606
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.
1611
1612 2007-02-09  Jan Hubicka  <jh@suse.cz>
1613
1614         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
1615         * doc/invoke.texi (inline-unit-growth): Update default value.
1616
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.
1644
1645 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1646
1647         * config/alpha/alpha.c (emit_insxl): Force the first operand of
1648         the insbl or inswl pattern into a register.
1649
1650 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1651
1652         * config/ia64/ia64.md (bswapdi2): New define_insn.
1653
1654 2007-02-09  Richard Henderson  <rth@redhat.com>
1655
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.
1671
1672 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1673
1674         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
1675         (bit_SSE4a): New.
1676
1677 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
1678             Richard Sandiford  <richard@codesourcery.com>
1679
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.
1709
1710 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1711             Richard Guenther  <rguenther@suse.de>
1712
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.
1718
1719 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
1720
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.
1725
1726 2007-02-08  DJ Delorie  <dj@redhat.com>
1727
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.
1732
1733 2007-02-08  Paul Brook  <paul@codesourcery.com>
1734
1735         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
1736         special interworking needed.
1737
1738 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
1739
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.
1750
1751 2007-02-08  DJ Delorie  <dj@redhat.com>
1752
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.
1758
1759 2007-02-08  Jan Hubicka  <jh@suse.cz>
1760
1761         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
1762         the same one; always update histograms.
1763
1764 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
1765
1766         * passes.c (init_optimization_passes): Tidy comment.
1767
1768 2007-02-08  Roger Sayle  <roger@eyesopen.com>
1769
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.
1777
1778 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
1779
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.
1793
1794 2007-02-07  Jan Hubicka  <jh@suse.cz>
1795             Robert Kidd <rkidd@crhc.uiuc.edu>
1796
1797         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
1798
1799 2007-02-07  Ian Lance Taylor  <iant@google.com>
1800
1801         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
1802
1803 2007-02-07  Roger Sayle  <roger@eyesopen.com>
1804
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.
1809
1810 2007-02-07  Roger Sayle  <roger@eyesopen.com>
1811
1812         * global.c (compute_regsets): Move declatation of "i" inside of
1813         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
1814
1815 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
1816
1817         PR c++/30703
1818         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
1819         of INDIRECT_REF <RESULT_DECL>.
1820
1821         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
1822
1823 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
1824             Kaz Kojima  <kkojima@gcc.gnu.org>
1825
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.
1830
1831 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
1832
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.
1868
1869 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
1870
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.
1877
1878 2007-02-06  Richard Henderson  <rth@redhat.com>
1879
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.
1898
1899 2007-02-06  Roger Sayle  <roger@eyesopen.com>
1900
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.
1907
1908 2007-02-06  Ian Lance Taylor  <iant@google.com>
1909
1910         * lower-subreg.c (simple_move_operand): Reject CONST.
1911         (resolve_clobber): Call validate_change rather than directly
1912         assigning to XEXP (pat, 0).
1913
1914 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
1915
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.
1919
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.
1929
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.
1940
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.
1951
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.
1963
1964 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
1965
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.
1984
1985 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
1986
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.
1993
1994         * tree.h (TREE_COMPLEXITY): Remove.
1995         (struct tree_exp): Remove complexity field.
1996         * tree.c (build1_stat): Don't set it.
1997
1998 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
1999             Victor Kaplansky  <victork@il.ibm.com>
2000
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.
2016
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.
2020
2021         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2022         call to vect_get_new_vect_var.
2023
2024 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2025
2026         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2027         vectype is not NULL.
2028         (vect_pattern_recog_1): Likewise.
2029
2030 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2031
2032         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2033         (fold_negate_expr): Likewise.
2034
2035 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2036
2037         PR debug/30189
2038         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2039         even if cv-qualification is the same.
2040
2041 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2042
2043         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2044         __enable_execute_stack on completion.
2045
2046 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2047
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.
2056
2057 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2058
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.
2075
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.
2083
2084 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2085
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.
2092
2093 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2094
2095         * config/i386/athlon.md (athlon_sseld_amdfam10,
2096         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2097         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2098
2099 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2100
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.
2107
2108 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2109
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.
2116
2117 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2118
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.
2126
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.
2132
2133 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2134
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.
2140
2141 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2142
2143         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2144         (x86_sse_unaligned_move_optimal): New variable.
2145
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.
2150
2151 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2152
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.
2158
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.
2162
2163         * config.gcc: Add support for --with-cpu option for amdfam10.
2164
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.
2182
2183 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2184
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.
2199
2200 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2201
2202         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2203
2204 2007-02-05  Richard Guenther  <rguenther@suse.de>
2205
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.
2223
2224 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2225
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.
2230
2231 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2232
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.
2239
2240 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2241
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.
2245
2246 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2247
2248         * mips-tfile.c (initialize_init_file): Correct endianness test.
2249
2250 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2251
2252         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2253         the 'y' constraint.
2254
2255 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2256
2257         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2258         saves in a PARALLEL before the register assignments.
2259
2260 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2261
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.
2272
2273 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2274
2275         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2276
2277 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2278
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.
2292
2293 2007-02-05  Jan Hubicka  <jh@suse.cz>
2294
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.
2298
2299 2007-02-04  Jan Hubicka  <jh@suse.cz>
2300
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.
2304
2305 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2306
2307         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2308         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2309         spelling conventions.
2310
2311 2007-02-04  Richard Guenther  <rguenther@suse.de>
2312
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.
2316
2317 2007-02-04  Jan Hubicka  <jh@suse.cz>
2318
2319         * passes.c (init_optimization_passes): Reindent.
2320
2321 2007-02-04  Jan Hubicka  <jh@suse.cz>
2322             Eric Botcazou  <ebotcazou@adacore.com>
2323
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.
2329
2330 2007-02-04  Jan Hubicka  <jh@suse.cz>
2331
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.
2338
2339 2007-02-04  Jan Hubicka  <jh@suse.cz>
2340
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.
2347
2348 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2349
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.
2361
2362         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2363         Follow spelling conventions.
2364
2365 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2366
2367         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2368         warn about C++0x compatibility.
2369
2370 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2371
2372         * config/h8300/h8300.c, config/h8300/h8300.h,
2373         config/h8300/h8300.md: Follow spelling conventions.
2374
2375 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2376
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.
2380
2381 2007-02-03  Jan Hubicka  <jh@suse.cz>
2382
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.
2388
2389 2007-02-03  Ian Lance Taylor  <iant@google.com>
2390
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.
2399
2400 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2401
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.
2409
2410         PR middle-end/30174
2411         * varasm.c (notice_global_symbol): Treat global objects as weak when
2412         flag_shlib is true.
2413
2414 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2415
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.
2423
2424 2007-02-03  Tom Tromey  <tromey@redhat.com>
2425
2426         PR driver/30246
2427         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2428         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2429
2430 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2431
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.
2442
2443 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2444
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.
2448
2449 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2450
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).
2455
2456 2007-02-02  Mike Stump  <mrs@apple.com>
2457
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.
2462
2463 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
2464
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.
2478
2479 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
2480
2481         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2482
2483 2007-02-02  Ian Lance Taylor  <iant@google.com>
2484
2485         * expmed.c (expand_divmod): Add comment.
2486
2487 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
2488
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.
2493
2494 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
2495
2496         Revert for x86 darwin:
2497         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
2498
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.
2502
2503 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2504
2505         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
2506         COMPLEX_EXPR.
2507
2508 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2509
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.
2514
2515 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
2516
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.
2525
2526 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
2527
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++).
2531
2532 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2533
2534         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
2535
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
2542
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.
2549
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.
2559
2560         (move_dep_link): Declare function.
2561
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.
2565
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.
2575
2576         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
2577
2578         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
2579
2580         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
2581         all callers.
2582         (dep_cost): Declare.
2583
2584         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
2585         (ds_to_dk, dk_to_ds): New functions.
2586
2587         (init_dep_1): New static function.
2588         (init_dep): New function.
2589         (copy_dep): New static function.
2590
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.
2595
2596         (dep_links_consistent_p, dump_dep_links): New static functions.
2597         (debug_dep_links): New debugging function.
2598
2599         (deps_obstack, dl_obstack, dn_obstack): New static variables.
2600
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.
2610
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.
2617
2618         (init_dependency_caches): Init deps_obstack.
2619         (free_dependency_caches): Free deps_obstack.
2620
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.
2625
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.
2631
2632         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
2633         scheduler dependencies lists.
2634         (schedule_ebb): Update comments.
2635
2636         * rtl.def (DEPS_LIST): Remove.
2637
2638         * lists.c (unused_deps_list): Remove.
2639         (free_list): Update assertions.
2640
2641         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
2642         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2643
2644         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
2645         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2646
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.
2662
2663         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
2664         scheduler dependencies lists.
2665
2666         (resolve_dep): Remove.  Move the logic to schedule_insn ().
2667         (init_h_i_d): Initialize dependencies lists.
2668
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.
2675
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.
2679
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.
2686
2687         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
2688
2689         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
2690
2691         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
2692         documentation.
2693         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
2694
2695         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
2696         (REG_DEP_TRUE): Document.
2697
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.
2705
2706         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
2707         dependencies lists.
2708
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.
2712
2713         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
2714         instead of INSN_COST () macro.
2715
2716 2007-02-01  Ian Lance Taylor  <iant@google.com>
2717
2718         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
2719
2720 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
2721
2722         * pa.md (tp_load): Correct mfctl instruction syntax.
2723
2724 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
2725
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.
2729
2730         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
2731         64-bit.
2732
2733 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
2734
2735         PR inline-asm/28686
2736         * global.c (global_alloc): Add mising initialization of
2737         ELIMINABLE_REGSET.
2738
2739 2007-02-01  Roger Sayle  <roger@eyesopen.com>
2740
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.
2767
2768 2007-02-01  Ian Lance Taylor  <iant@google.com>
2769
2770         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
2771         high part of a paradoxical subreg, return a constant zero.
2772
2773 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
2774
2775         * toplev.c (lang_dependent_init): Call init_set_costs.
2776         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
2777
2778 2007-02-01  Richard Guenther  <rguenther@suse.de>
2779
2780         PR middle-end/30656
2781         * fold-const.c (fold_negate_expr): Allow negating a
2782         constant if overflow does not change.
2783
2784 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2785
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.
2790
2791 2007-02-01  Ben Elliston  <bje@au.ibm.com>
2792
2793         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
2794         * doc/contrib.texi: Likewise.
2795         * doc/install.texi: Likewise.
2796
2797 2007-01-31  Richard Henderson  <rth@redhat.com>
2798             Ian Lance Taylor  <iant@google.com>
2799
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.
2828
2829 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
2830
2831         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
2832
2833 2007-01-31  Anatoly Sokolov <aesok@post.ru>
2834
2835         PR target/19087
2836         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
2837
2838 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2839
2840         PR middle-end/29335
2841         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
2842
2843 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
2844
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.
2865
2866 2007-01-31  Dirk Mueller  <dmueller@suse.de>
2867
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.
2871
2872 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
2873
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.
2889
2890 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
2891
2892         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
2893
2894 2007-01-30  Eric Christopher  <echristo@apple.com>
2895
2896         * config.gcc: Add geode.
2897
2898 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
2899
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.
2904
2905 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2906
2907         PR c++/24745
2908         * doc/invoke.texi (Wpointer-arith): Document warning.
2909
2910 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
2911
2912         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
2913         the list of discrepancies from the draft TR.
2914
2915 2007-01-30  Dirk Mueller  <dmueller@suse.de>
2916
2917         PR c++/30601
2918         * doc/invoke.texi (-Wreturn-type): Update description to
2919         match new behavior.
2920
2921 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
2922
2923         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
2924
2925 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
2926
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.
2938
2939 2007-01-30  Richard Guenther  <rguenther@suse.de>
2940
2941         PR middle-end/27657
2942         * dwarf2out.c (reference_to_unused): Query varpool if the
2943         variable was output.
2944
2945 2007-01-30  Richard Guenther  <rguenther@suse.de>
2946
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.
2950
2951 2007-01-29  Roger Sayle  <roger@eyesopen.com>
2952             Richard Guenther  <rguenther@suse.de>
2953
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.
2957
2958 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
2959
2960         * config/dfp-bit.c: Add parameterized support for fp exceptions.
2961         * config/dfp-bit.h: Ditto.
2962
2963 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2964
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.
2969
2970 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2971
2972         * tree-optimize.c (update_inlined_to_pointers): Delete unused
2973         function.
2974
2975 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
2976
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__.
2981
2982 2007-01-29  Mike Stump  <mrs@apple.com>
2983
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.
2987
2988 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
2989
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.
3025
3026 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3027
3028         PR tree-optimization/30630
3029         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3030         variable as changed.
3031
3032 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3033
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.
3037
3038 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3039
3040         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3041         (__gcov_average_profiler): Likewise.
3042         (__gcov_ior_profiler): Likewise.
3043         (__gcov_merge_ior): Likewise.
3044
3045 2007-01-28  Jan Hubicka  <jh@suse.cz>
3046
3047         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3048         * value-prof.c (stringop_block_profile): Likewise.
3049
3050 2007-01-28  Jan Hubicka  <jh@suse.cz>
3051
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.
3064
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.
3090
3091 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3092
3093         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3094
3095 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3096
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.
3130
3131 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3132
3133         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3134         relations in the conflict function is valid.
3135
3136 2007-01-27  Ian Lance Taylor  <iant@google.com>
3137
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.
3179
3180 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3181
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.
3190
3191 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3192
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.
3198
3199 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3200
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.
3208
3209 2007-01-27  Jan Hubicka  <jh@suse.cz>
3210
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
3214
3215 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3216
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.
3221
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.
3229
3230 2007-01-26  Roger Sayle  <roger@eyesopen.com>
3231
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.
3236
3237 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3238
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.
3244
3245 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3246
3247         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3248         a parts.base assignment.
3249
3250 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3251
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.
3272
3273 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
3274
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.
3279
3280 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
3281         Richard Guenther  <rguenther@suse.de>
3282
3283         * tree-ssa-structalias.c (solve_graph): Handle case
3284         we merged the variable to another.
3285
3286 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3287
3288         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3289         functions.
3290
3291         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3292         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3293
3294 2007-01-25  DJ Delorie  <dj@redhat.com>
3295
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.
3298
3299         * reload1.c (choose_reload_regs): Check for invalid subregs before
3300         computing their locations, not after.
3301
3302 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
3303
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.
3321
3322 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3323
3324         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3325
3326 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3327
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.
3331
3332 2007-01-25  Richard Guenther  <rguenther@suse.de>
3333
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.
3338
3339 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
3340
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.
3353
3354 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
3355
3356         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3357
3358 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3359
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.
3364
3365 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
3366
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.
3373
3374 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3375
3376         * builtins.c (fold_builtin_carg): New.
3377         (fold_builtin_1): Use it.
3378
3379 2007-01-24  Jan Hubicka  <jh@suse.cz>
3380
3381         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3382
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.
3391
3392 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
3393
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.
3399
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.
3404
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.
3408
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 &n