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[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-07-25  Richard Guenther  <rguenther@suse.de>
2
3         * tree-dfa.c (mark_new_vars_to_rename): Protect against
4         calling with a PHI_NODE argument.
5
6         * tree-flow-inline.h (overlap_subvar): Protect against
7         possible overflow.
8
9 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
10
11         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
12         * configure: Regenerate.
13
14 2005-07-25  Ira Rosen  <irar@il.ibm.com>
15
16         * expr.c (highest_pow2_factor): Make extern.
17         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
18         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
19         record_array_differ_p, array_ptr_differ_p): Likewise.
20         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
21         additional cases. Call the above functions.
22         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
23         base_object_differ_p when there are two base objects. Otherwise, compare
24         base address and offset. Call may_alias_p.
25         (dump_data_reference): Use a correct field name.
26         (analyze_array): Make static. Initialize new data-ref fields.
27         (analyze_indirect_ref): New function.
28         (init_data_ref): Initialize new data-ref fields.   
29         (strip_conversion): Moved from tree-vect-analyze.c. 
30         (analyze_offset_expr, get_ptr_offset, address_analysis,
31         object_analysis): Likewise.
32         (analyze_offset): New function.
33         (create_data_ref): Likewise.
34         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
35         dimensions for ARRAY_REFs only.
36         (build_classic_dist_vector): Make static.
37         (access_functions_are_affine_or_constant_p): Call macro to get the
38         address of access functions.
39         (compute_all_dependences): Add new parameter
40         compute_self_and_read_read_dependences. Compute self and read-read  
41         dependences if it is true.
42         (find_data_references_in_loop): Call create_data_ref. Initialize new
43         data-ref fields.
44         (compute_data_dependences_for_loop): Add new parameter
45         compute_self_and_read_read_dependences. Remove parameter nb_loops,
46         compute nb_loops. Call compute_all_dependences,
47         build_classic_dist_vector and build_classic_dir_vector with correct
48         parameters.
49         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
50         with correct parameters. Compare dimensions for ARRAY_REFs only.
51         (free_data_refs): Call macro to free access functions.
52         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
53         fields from stmt_vinfo.
54         (struct base_object_info): New structure.
55         (struct data_reference): Move fields to base_object_info. Add fields   
56         first_location and object_info for above structures. Move fields from
57         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
58         aligned_to.  Add macros to access the new fields.
59         Update functions declarations.
60         * tree-flow.h (is_aliased_with): Declare.
61         * tree-loop-linear.c (linear_transform_loops): Call
62         compute_data_dependences_for_loop with correct parameters.
63         * tree-ssa-alias.c (is_aliased_with): New function.
64         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
65         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
66         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
67         vect_base_addr_differ_p, compute_subscript_distance and
68         build_classic_dist_vector. Add printings. Check absolute value of
69         distance.
70         (vect_analyze_data_ref_dependences): Go through ddrs instead of
71         data-refs.
72         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
73         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
74         to bytes. Add printing.
75         (vect_compute_data_refs_alignment): Go through loads and stores in one
76         loop.
77         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
78         vect_analyze_data_ref_access): Likewise.
79         (vect_analyze_pointer_ref_access): Remove.
80         (vect_address_analysis, vect_object_analysis): Likewise.
81         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
82         and analyze data-refs in the loop.
83         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
84         fields of data-ref instead of stmt. Add init to the offset from the
85         base.
86         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
87         (vect_update_init_of_dr): Likewise.
88         (vect_update_inits_of_drs): Go through loads and stores in one loop.
89         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
90         removed fields.
91         (new_loop_vec_info): Initialize new fields.
92         (destroy_loop_vec_info): Free new fields.
93         (vect_strip_conversion): Remove.
94         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
95         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
96         datarefs. Add new field ddrs. 
97         Add macros for the new fields access.
98         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
99         base_aligned_p, misalignment, memtag, ptr_info and subvars.
100         Remove their macros.
101         * tree.h (highest_pow2_factor): Declare.
102
103 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
104
105         * calls.c (store_one_arg): Check for sibling call MEM arguments
106         from already clobbered incoming argument area.
107
108 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
109
110         * c-common.c (check_missing_format_attribute): New.
111         * c-common.h (check_missing_format_attribute): Likewise.
112         * c-typeck.c (convert_for_assignment): Use it.
113
114 2005-07-24  Andreas Schwab  <schwab@suse.de>
115
116         * config/m68k/m68k.md ("extendqidi2"): When source is an address
117         register use a word move.  Correct operand of ext.w in 68000 code.
118
119 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
120
121         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
122         variables as declarations, rather than definitions.
123
124 2005-07-24  Ira Rosen  <irar@il.ibm.com>
125
126         PR tree-optimization/22526
127         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
128         of the zero node.
129
130 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
131
132         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
133         that C99 reserve for future use. Use it to define clog10,
134         clog10f and clog10l.
135
136 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
137
138         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
139         * configure.ac: Check for -Wmissing-format-attribute.
140         
141         * configure: Regenerate.
142
143 2005-07-23  Richard Henderson  <rth@redhat.com>
144
145         PR tree-optimization/22623
146         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
147
148 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
149
150         PR target/22577
151         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
152
153 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
154
155         * Makefile.in (C_TREE_H): Update dependencies.
156         * c-tree.h: Include toplev.h.
157         * diagnostic.h (diagnostic_set_info): Add format attribute.
158         * rtl-error.c (diagnostic_for_asm): Likewise.
159
160 2005-07-23  Chao-ying Fu  <fu@mips.com>
161
162         * config/mips/mips-dsp.md: New file.
163         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
164         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
165         functions.
166         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
167         MIPS_BUILTIN_BPOSGE32.
168         (mips_expand_builtin_direct): Add one parameter to indicate that
169         builtin functions need to return a value.
170         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
171         functions.
172         (mips_regno_to_class): Add classes for 12 new DSP registers.
173         (mips_subword): Change to check four HI registers.
174         (mips_output_move): Output move to and from 6 new DSP accumulators.
175         (override_options): Make sure -mdsp and -mips16 are not used together.
176         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
177         for machine modes.
178         (mips_conditional_register_usage): Disable 6 new DSP accumulators
179         when !TARGET_DSP.
180         (print_operand): Add 'q' for printing DSP accumulators.
181         (mips_cannot_change_mode_class): Check ACC_REGS.
182         (mips_secondary_reload_class): Check ACC_REGS.
183         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
184         (mips_register_move_cost): Check ACC_REGS.
185         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
186         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
187         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
188         (dsp_bdesc): New array.
189         (bdesc_arrays): Add DSP builtin function table.
190         (mips_prepare_builtin_arg): Check predicate again after
191         copy_to_mode_reg.
192         (mips_expand_builtin): Add one more parameter to
193         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
194         MIPS_BUILTIN_BPOSGE32.
195         (mips_init_builtins): Initialize new function types.
196         (mips_expand_builtin_direct): Check if builtin functions need to
197         return a value and pass operands properly.
198         (mips_expand_builtin_bposge): New function.
199         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
200         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
201         (FIRST_PSEUDO_REGISTER): Increase to 188.
202         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
203         Update for 12 new DSP registers.
204         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
205         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
206         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
207         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
208         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
209         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
210         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
211         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
212         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
213         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
214         (REGISTER_NAMES): Add names for 12 new DSP registers.
215         * config/mips/mips.md: Include mips-dsp.md.
216         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
217         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
218         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
219         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
220         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
221         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
222         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
223         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
224         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
225         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
226         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
227         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
228         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
229         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
230         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
231         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
232         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
233         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
234         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
235         (UNSPEC_RDDSP): New constants.
236         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
237         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
238         A<-d alternative.
239         * config/mips/mips.opt (-mdsp): New option.
240         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
241         (reg_imm10_operand): New predicates.
242         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
243         * doc/invoke.texi (-mdsp): Document new option.
244
245 2005-07-22  DJ Delorie  <dj@redhat.com>
246
247         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
248         to warning calls.
249         * tree-inline.c (inlinable_function_p): Likewise.
250
251 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
252
253         PR debug/21828
254         * toplev.c (check_global_declarations): Do not mark undefined
255         variables as DECL_IGNORED_P.
256         * varasm.c (first_global_object_name): GTY it.
257         (weak_global_object_name): Likewise.
258         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
259         a string to go into {weak,first}_global_object_name.
260
261 2005-07-22  DJ Delorie  <dj@redhat.com>
262
263         * c-format.c (check_function_format): Change warning control
264         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
265
266 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
267
268         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
269         &PTR->FLD a dereference of PTR.
270         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
271         a potential dereference of PTR.
272
273 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
274
275         PR rtl-optimization/20370
276         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
277         call allocate_reg_info if necessary.
278
279         PR rtl-optimization/21848
280         * calls.c (emit_library_call_value_1): For const functions, add
281         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
282
283         PR rtl-optimization/22445
284         * cselib.c (target.h): Include.
285         (rtx_equal_for_cselib_p): Allow commutative matches.
286         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
287         Remove MODE parameter.  Changed all callers.
288
289         PR rtl-optimization/22258
290         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
291         New functions.
292         (try_combine): Use likely_spilled_retval_p.
293
294 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
295
296         * config.gcc: Add crx-elf support.
297
298         * doc/contrib.texi: Mention crx.
299         * doc/extend.texi: Document crx extensions.
300         * doc/install.texi: Document crx install.
301         * doc/invoke.texi: Document crx options.
302         * doc/md.texi: Document crx constraints.
303
304         * config/crx/crx-protos.h: New file.
305         * config/crx/crx.c: New file.
306         * config/crx/crx.h: New file.
307         * config/crx/crx.md: New file.
308         * config/crx/crx.opt: New file.
309         * config/crx/t-crx: New file.
310         
311 2005-07-22  Manfred Hollstein  <mh@suse.com>
312
313         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
314         warnings.
315         (int_add_graph_edge): Likewise.
316         (collapse_nodes): Likewise.
317         (process_unification_queue): Likewise.
318
319 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
320             Laurent GUERBY  <laurent@guerby.net>
321
322         PR tree-optimization/22336
323         * function.c (record_block_change): Check for 
324         cfun->ib_boundaries_block.
325         
326 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
327
328         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
329         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
330
331 2005-07-21  DJ Delorie  <dj@redhat.com>
332
333         * toplev.c (warn_deprecated_use): Add warning control to warning
334         call.
335         * c-typeck.c (parser_build_binary_op): Likewise.
336         (c_finish_if_stmt): Likewise.
337         * c-common.c (check_function_sentinel): Likewise.
338         (check_nonnull_arg): Likewise.
339
340 2005-07-21  Richard Henderson  <rth@redhat.com>
341
342         PR tree-opt/22504
343         * tree-complex.c (complex_ssa_name_components): New.
344         (cvc_lookup): Allow entry not found.
345         (create_components): Remove.
346         (create_one_component_var, get_component_var): New.
347         (get_component_ssa_name, set_component_ssa_name): New.
348         (extract_component): Use get_component_ssa_name.
349         (update_complex_components): Use set_component_ssa_name.
350         (update_complex_components_on_edge): Likewise.
351         (update_phi_components): Create new PHI nodes directly, instead
352         of adding insns to edges.
353         (tree_lower_complex): Allocate and free complex_variable_components
354         and complex_ssa_name_components here.
355
356 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
357         
358         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
359         revert to returning false.
360
361 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
362
363         PR target/21149
364         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
365
366 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
367
368         PR target/22576
369         * config/i386/i386.md (cmpxf): Change operand constraints
370         to "nonmemory_operand".
371
372 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
373
374         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
375
376 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
377
378         PR middle-end/21180
379         * fold-const.c (fold_build1): Add checksum for the operands.
380         (fold_build2): Likewise.        
381         (fold_build3): Likewise.
382
383 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
384
385         PR middle-end/19055
386         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
387
388 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
389
390         * common.opt (-fforward-propagate): Committed by mistake,
391         removed.
392
393 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
394
395         * reg-stack.c: Fix comment typo(s).
396         * tree-ssa-operands.c: Likewise.
397         * tree-vectorizer: Likewise.
398
399 2005-07-21  Nick Clifton  <nickc@redhat.com>
400
401         * config/sh/symbian.c: Replace C++ style line comments with C
402         style line comments.
403         (symbian_add_attribute): Do not use a ? operator on the LHS of
404         an assignment.
405         (sh_symbian_handle_dll_attribute): Change the type of the
406         method vector to "VEC(tree,gc)*" and use vector accessor
407         macros to walk over the elements.
408         (symbian_export_vtable_and_rtti_p): Likewise.
409         (symbian_class_needs_attribute_p): Likewise.
410
411 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
412
413         PR target/22085
414         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
415         initialize targetm.resolve_overloaded_builtin here.
416         (altivec_expand_overloaded_builtin): Make it non-static.
417         * config/rs6000/rs6000-protos.h
418         (altivec_expand_overloaded_builtin): New prototype.
419         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
420         targetm.resolve_overloaded_builtin here.
421         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
422
423 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
424             Zdenek Dvorak  <dvorakz@suse.cz>
425
426         PR tree-optimization/19210
427         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
428         New.
429         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
430         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
431         rely on unproven assumptions.
432         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
433         * tree-flow.h (number_of_iterations_exit): Add final parameter.
434         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
435         to number_of_iterations_exit.
436         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
437         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
438         * tree-ssa-loop-niter.c (find_loop_niter,
439         estimate_numbers_of_iterations_loop): Likewise.
440         (number_of_iterations_exit): Honor the new options.
441         * doc/invoke.texi (Wunsafe-loop-optimizations,
442         funsafe-loop-optimizations): Document them.
443
444 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
445
446         PR rtl-optimization/22167
447         * gcse.c (hoist_code): Fix hoist_exprs[] check.
448
449 2005-07-20  Adam Nemet  <anemet@lnxw.com>
450
451         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
452         __do_global_dtors_aux longcall.
453
454 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
455
456         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
457         (old_special_pred_table): Don't reference
458         SPECIAL_MODE_PREDICATES.
459         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
460         * config/arc/arc.h: Don't mention PREDICATE_CODES.
461         * config/sh/predicates.h: Don't mention
462         SPECIAL_MODE_PREDICATES.
463         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
464         Remove.
465
466 2005-07-20  DJ Delorie  <dj@redhat.com>
467
468         * config.gcc: Add m32c-elf support.
469
470         * doc/contrib.texi: Mention m32c.
471         * doc/extend.texi: Document m32c extensions.
472         * doc/install.texi: Mention m32c.
473         * doc/invoke.texi: Document m32c options.
474         * doc/md.texi: Document m32c constraints.
475
476         * config/m32c/addsub.md: New file.
477         * config/m32c/bitops.md: New file.
478         * config/m32c/cond.md: New file.
479         * config/m32c/jump.md: New file.
480         * config/m32c/m32c-lib1.S: New file.
481         * config/m32c/m32c-lib2.c: New file.
482         * config/m32c/m32c-modes.def: New file.
483         * config/m32c/m32c-pragma.c: New file.
484         * config/m32c/m32c-protos.h: New file.
485         * config/m32c/m32c.abi: New file.
486         * config/m32c/m32c.c: New file.
487         * config/m32c/m32c.h: New file.
488         * config/m32c/m32c.md: New file.
489         * config/m32c/m32c.opt: New file.
490         * config/m32c/minmax.md: New file.
491         * config/m32c/mov.md: New file.
492         * config/m32c/muldiv.md: New file.
493         * config/m32c/predicates.md: New file.
494         * config/m32c/prologue.md: New file.
495         * config/m32c/shift.md: New file.
496         * config/m32c/t-m32c: New file.
497
498 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
499
500         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
501         (stack_protect_set, stack_protect_test): New expanders.
502         (stack_protect_set_si, stack_protect_set_si_media,
503         stack_protect_set_di_media, stack_protect_test_si,
504         stack_protect_test_si_media, stack_protect_test_di_media):
505         New insns.
506
507 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
508
509         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
510
511 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
512
513         * tree.h (tree_expr_nonzero_p): Export.
514         * fold-const.c (tree_expr_nonzero_p): Likewise.
515         Return true for CALL_EXPRs that are alloca calls.
516         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
517         against zero.
518         * tree-flow.h (expr_computes_nonzero): Remove.
519         * tree-vrp.c (expr_computes_nonzero): Remove.
520         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
521         (extract_range_from_unary_expr): Likewise.
522         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
523         tree_expr_nonzero_p.
524
525 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
526
527         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
528         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
529         extra arg "picreg" and use it instead of pic_offset_table_rtx.
530         All callers changed.
531         (frame_related_constant_load): New arg "related" which controls
532         setting of RTX_FRAME_RELATED_P.  All callers changed.
533         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
534         (bfin_expand_prologue): Add stack limit checking.
535         * config/bfin/bfin.md (trapifcc): New pattern.
536
537         * config/bfin/bfin.c: Include "langhooks.h".
538         (def_builtin): Go through lang_hooks to call builtin_function.
539
540         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
541         * config/bfin/predicates.md (symbol_ref_operand): New.
542         (call_insn_operand): Delete.  All callers changed to use
543         register_no_elim_operand.
544         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
545         call_cookie field.
546         (function_arg): Use it to generate the call's operand 2.
547         (bfin_longcall_p): New function.
548         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
549         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
550         determine if the address needs to be in a REG.
551         (bfin_handle_longcall_attribute): New function.
552         (bfin_attribute_table): Add "longcall" and "shortcall".
553         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
554         (CUMULATIVE_ARGS): New member call_cookie.
555         (PREDICATE_CODES): Add symbol_ref_operand.
556         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
557         extra USE to the pattern.
558         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
559         New patterns, split off call_insn, sibcall_insn, call_value_insn and
560         sibcall_value_insn; now the new patterns handle direct calls and the
561         old ones indirect calls.
562         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
563
564 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
565
566         * doc/trouble.texi: Update section on handling of empty loops.
567
568 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
569
570         * config.gcc: Remove support for sparc-*-openbsd*,
571         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
572         ns32k-*-netbsd*.
573         * config.host: Remove support for i860-*-sysv4* as a host.
574         * config/i860/*, config/ip2k/*, config/ns32k/*,
575         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
576         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
577         mention obsolete ports.
578
579 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
580
581         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
582         soft frame pointer.
583         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
584         of frame_pointer_rtx.
585         (sh_expand_epilogue): Likewise.
586         (sh_set_return_address): Likewise.
587         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
588         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
589         offsets from FRAME_POINTER_REGNUM.
590         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
591         (sh_register_names): Add initializer for sfp.
592         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
593         (VALID_REGISTER_P): Likewise.
594         (FIRST_PSEUDO_REGISTER): Update.
595         (DWARF_FRAME_REGISTERS): Define.
596         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
597         (HARD_FRAME_POINTER_REGNUM): Define.
598         (FRAME_POINTER_REGNUM): Redefine.
599         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
600         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
601         from FRAME_POINTER_REGNUM.
602         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
603         FRAME_POINTER_REGNUM.
604         (REG_CLASS_CONTENTS): Add sfp.
605         (REG_ALLOC_ORDER): Likewise.
606         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
607         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
608         of frame_pointer_rtx.
609         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
610
611 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
612
613         * fold-const.c (tree_expr_nonnegative_p): Only return true for
614         ABS_EXPR when flag_wrapv is false because of INT_MIN.
615         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
616         of an ABS_EXPR.
617         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
618         ABS_EXPR<x>.
619
620 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
621
622         Make CONSTRUCTOR use VEC to store initializers.
623         * c-common.c (complete_array_type): Update to cope with VEC in
624         CONSTRUCTOR_ELTS.
625         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
626         (pp_c_constructor_elts): New function.
627         * c-pretty-print.h (pp_c_constructor_elts): Declare.
628         * c-typeck.c (build_function_call, build_c_cast, digest_init,
629         struct constructor_stack, struct initializer_stack,
630         constructor_elements, push_init_level, pop_init_level,
631         add_pending_init, find_init_member, output_init_element): Update to
632         cope with VEC in CONSTRUCTOR_ELTS.
633         * coverage.c (build_fn_info_value, build_ctr_info_value,
634         build_gcov_info): Likewise.
635         * expr.c (categorize_ctor_elements_1, store_constructor,
636         expand_expr_real_1): Likewise.
637         * fold-const.c (fold_ternary): Likewise.
638         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
639         gimplify_init_constructor, gimplify_expr): Likewise.
640         * tree-dump.c (dequeue_and_dump): Likewise.
641         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
642         node.
643         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
644         CONSTRUCTOR_ELTS.
645         * tree-sra.c (generate_element_init_1): Likewise.
646         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
647         * tree-ssa-operands.c (get_expr_operands): Likewise.
648         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
649         * tree-vect-transform.c (vect_get_vec_def_for_operand):
650         (get_initial_def_for_reduction): Likewise.
651         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
652         value handle in annotations.
653         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
654         tree_node_structure): Add support for constr_kind.
655         (build_vector_from_ctor, build_constructor_single,
656         build_constructor_from_list): New functions.
657         (build_constructor): Update to take a VEC instead of a TREE_LIST.
658         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
659         Update to cope with VEC in CONSTRUCTOR_ELTS.
660         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
661         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
662         CONSTRUCTOR_APPEND_ELT): New macros.
663         (struct constructor_elt, struct tree_constructor): New data types.
664         (union tree_node): Add tree_constructor field.
665         * treestruct.def: Define TS_CONSTRUCTOR.
666         * varasm.c (const_hash_1, compare_constant, copy_constant,
667         compute_reloc_for_constant, output_addressed_constants,
668         initializer_constant_valid_p, output_constant,
669         array_size_for_constructor, output_constructor): Update to cope with
670         VEC in CONSTRUCTOR_ELTS.
671         * vec.h (VEC_empty, VEC_copy): New macros.
672
673 2005-07-19  Devang Patel  <dpatel@apple.com>
674
675         * dbxout.c (dbxout_type): Check Objective-C++ lang.
676         
677 2005-07-19  Richard Henderson  <rth@redhat.com>
678
679         PR tree-opt/22278
680         * gimplify.c (gimplify_expr): Use main variant type for the temp
681         destination for a discarded volatile read.
682         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
683         casts between non-void types that change volatility.
684
685 2005-07-15  DJ Delorie  <dj@redhat.com>
686
687         * toplev.h: Add comment about the first parameter for warning().
688         * errors.h: Likewise.
689
690         * c.opt (Wpragmas): New.
691         * doc/invoke.texi: Document it.
692         
693         * function.c (do_warn_unused_parameter): Add warning control to
694         warning call.
695         * c-decl.c (warn_if_shadowing): Likewise.
696         * c-lex.c (cb_def_pragma): Likewise.
697         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
698         (pop_alignment): Likewise.
699         (handle_pragma_pack): Likewise.
700         (apply_pragma_weak): Likewise.
701         (handle_pragma_weak): Likewise.
702         (handle_pragma_redefine_extname): Likewise.
703         (add_to_renaming_pragma_list): Likewise.
704         (handle_pragma_extern_prefix): Likewise.
705         (maybe_apply_renaming_pragma): Likewise.
706         (handle_pragma_visibility): Likewise.
707         
708         * config/c4x/c4x-c.c (BAD): Likewise.
709         (c4x_parse_pragma): Likewise.
710         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
711         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
712         (rs6000_pragma_longcall): Likewise.
713         * config/v850/v850-c.c (pop_data_area): Likewise.
714         (ghs_pragma_section): Likewise.
715         (ghs_pragma_section): Likewise.
716         (ghs_pragma_interrupt): Likewise.
717         (ghs_pragma_starttda): Likewise.
718         (ghs_pragma_startsda): Likewise.
719         (ghs_pragma_startzda): Likewise.
720         (ghs_pragma_endtda): Likewise.
721         (ghs_pragma_endsda): Likewise.
722         (ghs_pragma_endzda): Likewise.
723
724 2005-07-19  Danny Berlin <dberlin@dberlin.org>
725             Kenneth Zadeck <zadeck@naturalbridge.com>
726
727         * Makefile.in: Removed tree-promote-statics.c
728         * tree-promote-statics.c: Removed.
729         * common.opt: Removed flag-promote-statics.
730         * opts.c: Ditto.
731         * passes.c: Removed tree-promote-statics pass. 
732         * tree-pass.h: Ditto.
733         * timevar.def: Removed TV_PROMOTE_STATICS.
734
735
736 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
737
738         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
739         and *-*-freebsd9.
740         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
741         
742 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
743
744         PR c/22476
745         * c-common.c (check_function_arguments): Call
746         'check_function_format' if either -Wformat or
747         -Wmissing-format-attribute are specified.
748         * c-format.c (check_function_format): Check -Wformat before
749         calling 'check_format_info'.
750         * c-opts.c (c_common_post_options): Don't warn for
751         -Wmissing-format-attribute without -Wformat.
752         * c-typeck.c (convert_for_assignment): Detect additional cases for
753         -Wmissing-format-attribute.
754         * doc/invoke.texi (-Wmissing-format-attribute): Document new
755         behavior.
756
757 2005-07-19  Richard Guenther  <rguenther@suse.de>
758
759         * config/i386/i386.md (lrint<mode>2): Use temporary
760         instead of clobbering non-existent memory.
761
762 2005-07-19  Nick Clifton  <nickc@redhat.com>
763
764         * config/avr/avr.c (legitimate_address_p): Fix debugging print
765         statement to avoid displaying ASCII control characters.
766
767 2005-07-19  Ben Elliston  <bje@au.ibm.com>
768
769         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
770         * cfganal.c (find_edge_index): Ditto.
771         * combine.c (combine_instructions): Ditto.
772         * ddg.c (create_scc): Ditto.
773         (find_successors): Ditto.
774         (find_predecessors): Ditto.
775         (find_nodes_on_paths): Ditto.
776         (longest_simple_path): Ditto.
777         * flow.c (update_life_info): Ditto.
778         (count_or_remove_death_notes): Ditto.
779         (clear_log_links): Ditto.
780         * modulo-sched.c (generate_reg_moves): Ditto.
781         (find_max_asap): Ditto.
782         (find_max_hv_min_mob): Ditto.
783         (find_max_dv_min_mob): Ditto.
784         * sbitmap.c (sbitmap_first_set_bit): Ditto.
785         * sched-rgn.c (extract_edgelst): Ditto.
786         * tree-into-ssa.c (prepare_names_to_update): Ditto.
787         (dump_update_ssa): Ditto.
788         (ssa_names_to_replace) Ditto.
789         (switch_virtuals_to_full_rewrite): Ditto.
790         (update_ssa): Ditto.
791         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
792
793 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
794
795         Fix PR tree-optimization/22483
796         
797         * tree-complex.c (create_components): Use
798         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
799         * tree-flow-inline.h (fill_referenced_var_vec): New function.
800         * tree-flow.h (safe_referenced_var_iterator): New structure.
801         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
802         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
803         safe_referenced_var iterator.
804         (add_type_alias): Ditto.
805
806 2005-07-19  Steven Bosscher  <stevenb@suse.de>
807
808         * loop-init.c (rest_of_handle_loop2): Remove.
809         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
810         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
811         (pass_rtl_loop_init, pass_rtl_loop_done,
812         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
813         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
814         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
815         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
816         pass_tree_loop_done, and pass_tree_unswitch.
817         (gate_loop): Rename to gate_tree_loop.
818         * passes.c (init_optimization_passes): Update for renamed tree
819         loop passes.  Add the new loop2 passes as subpasses of loop2.
820         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
821         Update for the renamed tree loop passes.
822
823 2005-07-18  Ian Lance Taylor  <ian@airs.com>
824
825         PR middle-end/22057
826         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
827         blocks when optimizing.
828
829 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
830
831         * common.opt (frename-registers): Initialize to 2.
832         (fweb): Ditto.
833         (fgcse-after-reload): Ditto.
834         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
835         (process_options): Only change flag_web, flag_rename_registers,
836         and flag_rerun_cse_after_loop if not explicitly set by user.
837
838 2005-07-18  Jan Beulich  <jbeulich@novell.com>
839
840         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
841         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
842         in 64-bit mode the same as DImode in 32-bit mode.
843         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
844         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
845         mode. Add new mode parameter. 
846         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
847         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
848         x86_64_shift_adj): New expanders.
849         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
850         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
851         insns.
852         Respective new splitters. Use renamed shift splitter helpers in 32-bit
853         DImode shift splitters.
854         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
855         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
856         mode parameter.
857
858 2005-07-18  Jan Beulich  <jbeulich@novell.com>
859
860         * i386.md (movdi_extzv_1): New.
861         (zero_extendhidi2): Combine alternatives and never force use of
862         REX64 prefix.
863         (zero_extendqidi2): Likewise. Don't restrict input selection.
864
865 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
866
867         Fix PR tree-optimization/22531
868         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
869          moment.
870
871 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
872
873         * tree-promote-statics.c (pass_promote_statics): Change dump file
874          name.
875
876 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
877
878         * tree-optimize.c (init_tree_optimization_passes): Add
879         pass_eliminate_useless_stores pass.
880         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
881         * tree-ssa-pre.c (is_copy_stmt): New function.
882         (follow_copies_till_vuse): Ditto.
883         (do_eustores): Ditto.
884         (gate_eustores): Ditto. 
885         
886 2005-07-16  Richard Henderson  <rth@redhat.com>
887
888         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
889
890 2005-07-16 Danny Berlin <dberlin@dberlin.org>
891            Kenneth Zadeck <zadeck@naturalbridge.com>
892
893         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
894         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
895         ipa-type-escape.h, tree-promote-statics.c
896         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
897         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h, 
898         tree-promote-statics.c: new files.
899         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
900         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
901         int nonlocal_set_p, mark_constant_function): Deleted.
902         (rest_of_handle_cfg): Removed call to mark_constant_function. 
903         (nonoverlapping_component_refs_p): Added calls to support
904         type based aliasing.    
905         * tree-ssa-alias.c (may_alias_p,
906         compute_flow_insensitive_aliasing): Ditto.
907         * calls.c (flags_from_decl_or_type): Removed reference to
908         cgraph_rtl_info. 
909         * c-typeck.c (convert_arguments): Make builtins tolerant of having
910         too many arguments.  This is necessary for Spec 2000.
911         * cgraph.h (const_function, pure_function): Removed.
912         * common.opt: Added "fipa-pure-const", "fipa-reference",  
913         "fipa-type-escape", and "ftree-promote-static".
914         * opts.c: Ditto.
915         * passes.c: Added ipa and tree-promote-statics passes. 
916         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
917         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
918         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
919         * tree-flow.h: Added exposed sra calls and addition of 
920         reference_vars_info field for FUNCTION_DECLS.
921         * tree-pass.h: Added passes.
922         * tree-sra.c: (sra_init_cache): New function.
923         (sra_insert_before, sra_insert_after) Made public.
924         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
925         and made public.
926         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
927         aliasing. (may_alias_p): Added code to use type escape analysis to
928         improve alias sets.
929         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
930         code to prune clobbers of static variables based on information
931         produced in ipa-reference pass.  Changed call clobbering so that
932         statics are not marked as clobbered if the call does not clobber
933         them.
934
935 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
936
937         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
938         too.
939
940 2005-07-16  Eric Botcazou <ebotcazou@libertysurf.fr>
941
942         * doc/install.texi (*-*-solaris2*): Document recommended version
943         of GNU binutils and mention GNU linker problem on Solaris 10.
944
945 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
946
947         PR c/22421
948         * c-decl.c (c_build_bitfield_integer_type): New function.
949         (finish_struct): Call it.
950         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
951
952 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
953
954         * c-typeck.c (digest_init): Call 'convert_for_assignment'
955         before returning.
956
957 2005-07-16  Jan Hubicka  <jh@suse.cz>
958
959         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
960         (scale_bbs_frequencies_int): Watch roundoff errors.
961         * predict.c (return_prediction): Initialize return_stmt.
962
963 2005-07-16  Jan Hubicka  <jh@suse.cz>
964
965         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
966         after RTL profiling.
967
968 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
969
970         PR middle-end/22398
971         * fold-const.c (build_range_check): Convert high/low to etype
972         if we are only comparing against exp.
973
974 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
975
976         Fix PR tree-optimization/22376
977         * tree-ssa-structalias.c (build_constraint_graph): We really meant
978         special var here.
979         (need_to_solve): New function.
980         (compute_points_to_sets): Use it.
981         
982 2005-07-15  Jan Hubicka  <jh@suse.cz>
983
984         * cfg.c (update_bb_profile_for_threading): More diagnostic.
985         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
986
987 2005-07-15  Richard Guenther  <rguenther@suse.de>
988
989         * c-common.c (handle_flatten_attribute): New function.
990         Add flatten function attribute.
991         * doc/extend.texi: Document flatten function attribute.
992         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
993         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
994         New functions.
995         (cgraph_decide_inlining): Handle functions with flatten
996         attribute.
997
998 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
999
1000         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
1001         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
1002         UNSPEC_XCHG, UNSPEC_AND): New.
1003         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
1004         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
1005         * config/rs6000/sync.md (FETCHOP): New code macro.
1006         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
1007         New code attrs.
1008         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
1009         (sync_compare_and_swap<mode>): Same.
1010         (sync_lock_test_and_set<mode>): Same.
1011         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
1012         for QImode and HImode, and not PPC405.
1013         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
1014         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
1015         (sync_<fetchop>{si,di}_internal): New.
1016         (sync_nand{si,di}_internal): New.
1017         (sync_old_<fetchop>{si,di}_internal): New.
1018         (sync_old_nand{si,di}_internal): New
1019         (sync_new_<fetchop>{si,di}_internal): New.
1020         (sync_new_nand{si,di}_internal): New.
1021         (atomic_and{si,di}): New.
1022         (sync_new_nand{si,di}_internal): New.
1023         (atomic_and{si,di}): New.
1024         (sync_add<mode>_internal): Delete.
1025         (sync_addshort_internal): Use unspec instead of unspec_volatile.
1026         (sync_sub<mode>_internal): Delte.
1027         (sync_subshort_internal): New.
1028         (sync_andsi_internal): Use unspec instead of unspec_volatile.
1029         (sync_anddi_internal): Delete.
1030         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
1031         (sync_booldi_internal): Delete.
1032         (sync_boolc<mode>_internal): Delete.
1033         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
1034         (sync_boolc<mode>_internal2): Delete.
1035         (sync_boolcc<mode>_internal): Delete.
1036         (isync, lwsync): Use unspec instead of unspec_volatile.
1037         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
1038         Revert UNSPEC_VOLATILE.
1039         (rs6000_split_atomic_op): New.
1040         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
1041
1042 2005-07-14  Eric Christopher  <echristo@redhat.com>
1043
1044         * config/mips/mips.c (mips_canonicalize_comparison): Cast
1045         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
1046
1047 2005-07-14  Eric Christopher  <echristo@redhat.com>
1048
1049         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
1050
1051 2005-07-14  Steven Bosscher  <stevenb@suse.de>
1052
1053         PR tree-optimization/22230
1054         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
1055         the computation of the four cross productions for "range op range".
1056
1057 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
1058             Ulrich Weigand  <uweigand@de.ibm.com>
1059
1060         PR target/20126
1061         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
1062         in some insn.
1063
1064 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
1065
1066         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
1067
1068 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
1069
1070         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
1071
1072 2005-07-14  Richard Guenther  <rguenther@suse.de>
1073
1074         PR middle-end/22347
1075         * config/i386/i386-protos.h (ix86_function_value): Change
1076         prototype to match new target hook.
1077         * config/i386/i386.c (ix86_value_regno): Change prototype
1078         to take extra type argument.
1079         (TARGET_FUNCTION_VALUE): Define.
1080         (ix86_function_ok_for_sibcall): Pass extra argument to
1081         ix86_value_regno, check return slot rtx for exact match.
1082         (ix86_function_value): Take extra parameter.  Dispatch to
1083         ix86_value_regno with fndecl/fntype as provided.
1084         (ix86_value_regno): Handle extra type argument.
1085         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
1086
1087         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
1088         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
1089         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
1090         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
1091         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
1092
1093 2005-07-14  Richard Guenther  <rguenther@suse.de>
1094
1095         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
1096         * calls.c (expand_call): Pass fntype to hard_function_value.
1097         (emit_library_call_value_1): Likewise.
1098         * explow.c: Include target.h.
1099         (hard_function_value): Take extra argument, the fntype.
1100         Use new target hook for function_value.
1101         * expr.h (hard_function_value): Change prototype.
1102         * function.c (aggregate_value_p): Pass 0 as fntype to
1103         hard_function_value.
1104         (assign_parms): Use new target hook for function_value.
1105         Pass 0 as fntype to hard_function_value.
1106         (expand_function_end): Likewise.
1107         * reg-stack.c: Include target.h.
1108         (stack_result): Use new target hook for function_value.
1109         * target-def.h: New target hook function_value.
1110         * target.h: Likewise.
1111         * targhooks.c (default_function_value): New function.
1112         * targhooks.h (default_function_value): Declare.
1113
1114 2005-07-13  Ian Lance Taylor  <ian@airs.com>
1115
1116         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
1117
1118 2005-07-14  Jan Hubicka  <jh@suse.cz>
1119
1120         * tree-dfa.c (dump_variable): Use default_def function.
1121         * tree-ssa-alias.c (dump_points_to_info): Likewise.
1122         * tree-ssa.c (verify_use): Likewise.
1123         * tree-ssanames.c (release_ssa_name): Likewise.
1124         * tree-tailcall.c (eliminate_tail_call): Likewise.
1125         (tree_optimize_tail_calls_1): Likewise.
1126         * tree-vrp.c (get_value_range): Likewise.
1127
1128 2005-07-14  Ben Elliston  <bje@au.ibm.com>
1129
1130         * gcc.c (main): Compare language[0] with '*' when iterating over
1131         the infiles.
1132
1133 2005-07-13  Adrian StraeĀ½tling  <straetling@de.ibm.com>
1134
1135         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
1136         "s390_emit_compare".  Add handling of CCZ1mode.
1137         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
1138         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
1139         checking.
1140         (s390_branch_condition_mask): Add CCZ1mode handling.
1141         * config/s390/s390.md: ("seq", "*seq"): New pattern.
1142         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
1143         Use CCZ1mode instead of CCZmode.
1144         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
1145
1146 2006-07-13  Adrian StraeĀ½tling  <straetling@de.ibm.com>
1147
1148         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
1149         pattern.
1150         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
1151
1152 2005-07-13  Eric Christopher  <echristo@redhat.com>
1153
1154         * config/mips/mips.c (mips_canonicalize_comparison): New.
1155         (mips_emit_int_relational): Use.
1156
1157 2005-07-13  Eric Christopher  <echristo@redhat.com>
1158
1159         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
1160         static extra parts.
1161         * config/s390/s390.md: Include tpf.md. Move tpf specific
1162         patterns...
1163         * config/s390/tpf.md: To here.
1164         * config/s390/s390.opt: Move tpf specific options...
1165         * config/s390/tpf.opt: to here. Add mmain option.
1166         * config/s390/tpf-unwind.h: Remove unnecessary defines.
1167         * config/s390/tpf.h: Rewrite.
1168
1169 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
1170
1171         * doc/tm.texi: Remove @xref{Cross-profiling}.
1172
1173 2005-07-13  Jeff Law  <law@redhat.com>
1174
1175         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
1176         expressions, test their _DECL operands for pointer equality rather
1177         than using operand_equal_p.
1178
1179 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
1180
1181         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
1182         (TARGET_POSIX_IO): This.
1183         * config/darwin.h: Likewise.
1184         * config/freebsd.h: Likewise.
1185         * config/linux.h: Likewise.
1186         * config/lynx.h: Likewise.
1187         * config/netbsd.h: Likewise.
1188         * config/rs6000/linux64.h: Likewise.
1189         * config/rs6000/linux.h: Likewise.
1190         * config/s390/tpf.h: Likewise.
1191         * config/sh/embed-elf.h: Likewise.
1192         * config/sparc/linux64.h: Likewise.
1193         * config/sparc/linux.h: Likewise.
1194         * config/svr4.h: Likewise.
1195         * gcov-io.h: Likewise.
1196
1197         * doc/tm.texi: Updated.
1198
1199         * libgcov.c (create_file_directory): Defined only if
1200         TARGET_POSIX_IO is defined.
1201         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
1202         is defined.
1203
1204 2005-07-13  Jan Hubicka  <jh@suse.cz>
1205
1206         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
1207
1208 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
1209
1210         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
1211         structure as argument.
1212
1213 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
1214
1215         PR tree-optimization/21921
1216         * tree-iterator.c (tsi_link_before): Support the case when
1217         tsi_end_p (tsi) == true.
1218
1219 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
1220
1221         PR tree-optimization/22442
1222         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
1223         correctly.
1224
1225 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
1226
1227         PR rtl-optimization/20376
1228         * toplev.c (process_options): Enable -fweb and -frename-registers when
1229         unrolling.
1230         * doc/invoke.texi: Update the information about when -fweb and
1231         -frename-registers are enabled.
1232
1233 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
1234
1235         PR tree-opt/21840
1236         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
1237         if *rhs_p is not a SSA_NAME.
1238
1239 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
1240         
1241         Fix PR tree-optimization/22422 
1242         * tree-ssa-structalias.c (struct variable_info): Add flag for
1243         special vars.
1244         (get_varinfo): Now a static function.
1245         (new_varinfo): init has_union and is_special_var to false.
1246         (solution_set_add): Check has_union.
1247         (do_da_constraint): Move temporary variable so it gets reset
1248         properly.
1249         Also check for special variable.
1250         (do_ds_constraint): Ditto.
1251         (do_sd_constraint): Ditto.
1252         (do_structure_copy): Check for special variable.
1253         (find_func_aliases): Ditto.
1254         (init_base_vars): Set special vars properly.    
1255
1256 2005-07-13  Jan Hubicka  <jh@suse.cz>
1257
1258         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
1259         do unit-at-a-time.
1260
1261         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
1262         (get_expr_operands): Fix thinko wrt flags and subvars.
1263
1264         PR tree-optimize/22379
1265         * tree-inline.c (expand_call_inline): Do not output sorry in early
1266         inlining.
1267
1268 2005-07-12  Dale Johannesen  <dalej@apple.com>
1269
1270         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
1271
1272 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
1273
1274         PR bootstrap/21704
1275         * host-linux.h: Include limits.h.
1276
1277 2005-07-12  Dale Johannesen  <dalej@apple.com>
1278
1279         * expr.c (compress_float_constant):  Add cost check.
1280         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
1281
1282 2005-07-12  Dale Johannesen  <dalej@apple.com>
1283
1284         * gcc.target/i386/compress-float-sse.c:  New.
1285         * gcc.target/i386/compress-float-sse-pic.c:  New.
1286         * gcc.target/i386/compress-float-387.c:  New.
1287         * gcc.target/i386/compress-float-387-pic.c:  New.
1288         * gcc.dg/compress-float-ppc.c:  New.
1289         * gcc.dg/compress-float-ppc-pic.c:  New.
1290
1291 2005-07-12  Eric Christopher  <echristo@redhat.com>
1292
1293         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
1294         static extra parts.
1295         * config/s390/s390.md: Include tpf.md. Move tpf specific
1296         patterns...
1297         * config/s390/tpf.md: To here.
1298         * config/s390/s390.opt: Move tpf specific options...
1299         * config/s390/tpf.opt: to here. Add mmain option.
1300         * config/s390/tpf-unwind.h: Remove unnecessary defines.
1301         * config/s390/tpf.h: Rewrite.
1302
1303 2005-07-12  Eric Christopher  <echristo@redhat.com>
1304
1305         * gcc.c (struct infile): Update comment for language.
1306         (main): Rewrite input file resetting code.
1307
1308 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
1309
1310         PR tree-opt/22335
1311         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
1312         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
1313         (lookup_avail_expr): Use constant_boolean_node instead
1314         of boolean_false_node/boolean_true_node.
1315
1316 2005-07-12  Ben Elliston  <bje@au.ibm.com>
1317
1318         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
1319         and use it when printing num_edges.
1320
1321 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1322
1323         * doc/extend.texi (Blackfin Built-in Functions): New section.
1324         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
1325         @opindex.
1326
1327 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
1328
1329         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
1330         s/cmpstrsi/cmpstrnsi
1331         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
1332         'cmpstrnsi'.
1333         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
1334         (init_optabs): Initialize cmpstrn_optab.
1335         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
1336         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
1337         * expr.c: (enum insn_code cmpstrn_optab): Declare.
1338         * config/i386/i386.md: s/cmpstr/cmpstrn
1339         * config/c4x/c4x.md: s/cmpstr/cmpstrn
1340         * doc/md.texi: Update documentation.
1341
1342 2005-07-11  Richard Henderson  <rth@redhat.com>
1343
1344         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
1345         build_va_arg_indirect_ref.
1346         (alpha_gimplify_va_arg): Likewise.
1347         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1348         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
1349         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
1350         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1351         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
1352         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
1353         Likewise.
1354         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
1355
1356 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
1357
1358         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
1359         * passes.c (init_optimization_passes): Add pass_empty_loop.
1360         * tree-pass.h (pass_empty_loop): Declare.
1361         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
1362         try_remove_empty_loop, remove_empty_loops): New functions.
1363         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
1364         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
1365
1366 2005-07-12  Peter Barada  <peter@the-baradas.com>
1367
1368         PR middle-end/16719
1369         PR middle-end/18421
1370         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
1371         in address registers.
1372         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
1373         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
1374         alternative of addsi3_5200.
1375
1376 2005-07-11  Ian Lance Taylor  <ian@airs.com>
1377
1378         * config/mips/mips.md (ffs<mode>2): Remove.
1379
1380 2005-07-11  Ian Lance Taylor  <ian@airs.com>
1381
1382         * doc/tree-ssa.texi (Cleanups): Improve description of
1383         TRY_FINALLY_EXPR.
1384         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
1385
1386 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
1387         
1388         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
1389         * tree.h (DECL_ARGUMENT_FLD): New macro.
1390
1391 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
1392         
1393         Fix PR tree-optimization/22404
1394
1395         * tree-ssa-structalias.c (create_variable_info_for): Use
1396         correct offset.
1397
1398 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1399
1400         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
1401         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
1402         for second comparison operand.
1403         * config/bfin/predicates.md (reg_or_const_int_operand): New.
1404
1405         * config/bfin/bfin.md (define_attr "type"): Add "sync".
1406         (define_insn_reservation "alu"): Likewise.
1407         (csync, ssync): Now of type sync.
1408         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
1409         -mcsync-anomaly -mspecld-anomaly.
1410         * config/bfin/bfin.opt (mcsync): Remove.
1411         (mcsync-anomaly, mspecld-anomaly): Add.
1412         * config/bfin/bfin.c: Include "insn-codes.h".
1413         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
1414         (TARGET_DEFAULT_TARGET_FLAGS): New.
1415         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
1416
1417 2005-07-11  Steven Bosscher  <stevenb@suse.de>
1418
1419         * basic-block.h: Give the BB flags enum a name, bb_flags.
1420         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
1421         * cfgcleanup.c (enum bb_flags): Remove here.
1422         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
1423         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
1424         (update_forwarder_flag): Likewise.
1425         (thread_jump): Likewise.
1426         (try_forward_edges): Likewise.
1427         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
1428         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
1429         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
1430
1431 2005-07-11  Richard Guenther  <rguenther@suse.de>
1432
1433         * config/i386/i386.opt: New target option -msseregparm.
1434         * config/i386/i386.c (override_options): Error out for
1435         -msseregparm but no SSE support.
1436         (ix86_function_sseregparm): Check for global sseregparm.
1437         * doc/invoke.texi: Document -msseregparm.
1438
1439 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1440
1441         * config.gcc (m32r-*-linux*): Use the default extra_parts.
1442         (m32rle-*-linux*): Ditto.
1443
1444 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
1445
1446         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
1447         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
1448         bytes.
1449
1450 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1451
1452         PR middle-end/22239
1453         PR target/20126
1454         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
1455         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
1456
1457 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
1458
1459         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
1460         (varmap): Heapify varmap.
1461         (constraints): Heapify constraints.
1462         (struct constraint_graph): Heapify succs and preds.
1463         (constraint_vec_find): Update for heapification.
1464         (constraint_set_union): Ditto.
1465         (insert_into_complex): Ditto.
1466         (constraint_edge_vec_find): Ditto.
1467         (erase_graph_self_edge): Ditto.
1468         (add_graph_edge): Ditto.
1469         (get_graph_weights): Ditto.
1470         (merge_graph_nodes): Ditto.
1471         (build_constraint_graph): Ditto.
1472         (topo_visit): Ditto.
1473         (solve_graph): Ditto.
1474         (create_variable_info_for): Ditto.
1475         (init_base_vars): Ditto.
1476         (delete_points_to_sets): Free graph, varmap, and complex constraints.
1477         (condese_varmap_nodes): Free complex vector.
1478         (clear_edges_for_node): Clear succs and preds vector.
1479
1480 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
1481
1482         * tree-ssa-structalias.c (update_alias_info): Change counting of
1483         references to not include vdefs.
1484         
1485 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
1486
1487         * tree-ssa-alias.c (free_used_part_map): Add missing free.
1488         (up_insert): Ditto.
1489
1490 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1491
1492         * pa.c (pa_commutative_p): Make PLUS commutative when
1493         TARGET_NO_SPACE_REGS is true.
1494
1495 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
1496
1497         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
1498         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
1499         * tree-dfa.c (dump_subvars_for): New.
1500         (debug_subvars_for): New.
1501         (dump_variable): Show subvariables if VAR has them.
1502         * tree-flow-inline.h (get_subvar_at): New.
1503         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
1504         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
1505         Update all users.
1506         (struct subvar): Change fields offset and size to unsigned
1507         HOST_WIDE_INT.
1508         (dump_subvars_for): Declare.
1509         (debug_subvars_for): Declare.
1510         (get_subvar_at): Declare.
1511         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
1512         to unsigned HOST_WIDE_INT *.
1513         (overlap_subvar): Likewise.
1514         * tree-gimple.c (is_gimple_reg): Always return false for
1515         SFTs and memory tags.
1516         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
1517         Update all callers.
1518         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
1519         (compute_may_aliases): Call compute_points_to_sets.
1520         (collect_points_to_info_for): Remove.
1521         (compute_points_to_and_addr_escape): Remove.
1522         (delete_alias_info): Call delete_points_to_sets.
1523         (compute_flow_sensitive_aliasing): If the call to
1524         find_what_p_points_to returns false, call set_pt_anything.
1525         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
1526         (set_pt_anything): Clear pi->pt_vars.
1527         (set_pt_malloc): Remove.
1528         (merge_pointed_to_info): Remove.
1529         (add_pointed_to_expr): Remove.
1530         (add_pointed_to_var): Remove.
1531         (collect_points_to_info_r): Remove.
1532         (is_escape_site): Make extern.
1533         (create_sft): New.
1534         (create_overlap_variables_for): Call it.
1535         * tree-ssa-copy.c (merge_alias_info): Never merge
1536         flow-sensitive alias information.
1537         * tree-ssa-operands.c (get_expr_operands): Adjust variables
1538         offset and size to be unsigned HOST_WIDE_INT.
1539         (add_to_addressable_set): Rename from note_addressable.
1540         Set TREE_ADDRESSABLE as the variables are added to the set.
1541         Update all users.
1542         (add_stmt_operand): Do not try to micro-optimize unmodifiable
1543         operands into VUSEs when adding V_MAY_DEFs for members in an
1544         alias set.
1545         * tree-ssa-operands.h (add_to_addressable_set): Declare.
1546         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
1547         (struct variable_info): Add bitfield is_heap_var.
1548         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
1549         (new_var_info): Initialize is_heap_var.
1550         (get_constraint_for): Add HEAP variables to the symbol table.
1551         Mark them with is_heap_var.
1552         (update_alias_info): New.  Taken mostly from the old
1553         compute_points_to_and_addr_escape.
1554         (handle_ptr_arith): New.
1555         (find_func_aliases): Call update_alias_info.
1556         Call handle_ptr_info for tcc_binary expressions.
1557         Call mark_stmt_modified.
1558         (create_variable_info_for): If DECL has subvars, do not create
1559         variables for its subvars.  Always add all the fields.
1560         (set_uids_in_ptset): If the solution includes ANYOFFSET and
1561         SFTs, then add all the SFTs of the structure.
1562         If VI->DECL is an aggregate with subvariables, add the SFT at
1563         VI->OFFSET.
1564         (find_what_p_points_to): If VI is an artificial variable,
1565         translate to bitfields in SSA_NAME_PTR_INFO.
1566         If the solution is empty, set pi->pt_vars to NULL
1567         (init_base_vars): Create ANYOFFSET.
1568         (compute_points_to_sets): Rename from create_alias_vars.
1569         Make extern.
1570         (pass_build_pta): Remove.
1571         (delete_points_to_sets): Rename from delete_alias_vars.
1572         (pass_del_pta): Remove.
1573         * tree-ssa-structalias.h (struct alias_info): Move from
1574         tree-ssa-alias.h.
1575         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
1576         NUM_REFERENCES_SET): Likewise.
1577         (compute_points_to_sets, delete_points_to_sets): Declare.
1578
1579 2005-07-09  Richard Henderson  <rth@redhat.com>
1580
1581         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
1582         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
1583         alpha_split_lock_test_and_set_12): New functions.
1584         * config/alpha/alpha-protos.h: Update.
1585         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
1586         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
1587         * config/alpha/sync.md (I12MODE): New.
1588         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
1589         (sync_<fetchop_name><I48MODE>): Likewise.
1590         (sync_nand<I48MODE>): Likewise.
1591         (sync_old_<fetchop_name><I48MODE>): Likewise.
1592         (sync_new_<fetchop_name><I48MODE>): Likewise.
1593         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
1594         (sync_compare_and_swap<I48MODE>): Likewise.
1595         (sync_lock_test_and_set<I48MODE>): Likewise.
1596         (sync_compare_and_swap<I12MODE>): New.
1597         (sync_compare_and_swap<I12MODE>_1): New.
1598         (sync_lock_test_and_set<I12MODE>): New.
1599         (sync_lock_test_and_set<I12MODE>_1): New.
1600
1601 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
1602
1603         PR 21356
1604         PR 22332
1605         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
1606
1607 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
1608
1609         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
1610         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
1611
1612 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
1613
1614         PR target/21656
1615         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
1616
1617 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
1618
1619         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
1620         memory_operand constraint.
1621         (store_conditional_<mode>): Same.
1622         (sync_compare_and_swap<mode>): Same.
1623         (sync_lock_test_and_set<mode>): Same.
1624
1625 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
1626
1627         Rewrite PIC support to more closely model actual instructions.
1628         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
1629         (cris_symbol): Remove prototypes for removed functions.
1630         (cris_pic_symbol_type_of, cris_valid_pic_const)
1631         (cris_expand_pic_call_address): Prototypes for new functions.
1632         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
1633         variable.
1634         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
1635         modifiers.
1636         <case ':'>: Add case for new punctuation character.
1637         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
1638         emitting (extra) PIC modifier.
1639         <case UNSPEC>: Do not assert for PLT.
1640         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
1641         (cris_expand_prologue, cris_expand_epilogue): Check
1642         for pic_offset_table_rtx usage instead of taking
1643         current_function_uses_pic_offset_table as the final word.
1644         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
1645         Remove flag_pic difference.
1646         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
1647         the moral equivalents of...
1648         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
1649         functions.
1650         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
1651         (cris_handle_option): Mark ARG as unused.
1652         (cris_expand_pic_call_address): New worker function for "call",
1653         "call_value".
1654         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
1655         output PIC constructs here.
1656         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
1657         as symbol-specific modifers, not whole or part of operands.
1658         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
1659         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
1660         constants and flag_pic.
1661         (CONSTANT_INDEX_P): Adjust for new functions.
1662         (enum cris_pic_symbol_type): New helper type.
1663         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
1664         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
1665         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
1666         define_constants.
1667         ("movsi"): Emit actual instructions for GOT and relative access.
1668         ("*movsi_got_load"): New pattern to set up the register holding
1669         the GOT pointer.
1670         ("*movsi_internal"): Operand 1 is not a plain general_operand.
1671         Adjust FIXME for 'S'.
1672         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
1673         Use "movs" for -fpic cases.
1674         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
1675         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
1676         ("call", "call_value"): Just call cris_expand_pic_call_address for
1677         PIC addresses.
1678         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
1679         Remove special pattern.
1680         ("*expanded_call_side", "*expanded_call_value_side"): New
1681         patterns.
1682         (gotplt-to-plt, gotplt-to-plt-side-call)
1683         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
1684         peephole2:s.
1685         * config/cris/cris/predicates.md
1686         ("cris_general_operand_or_gotless_symbol"): Remove unused
1687         predicate.
1688         ("cris_general_operand_or_symbol"): Adjust for new functions.
1689
1690 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
1691
1692         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
1693
1694 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
1695
1696         * Makefile.in (TREE_H): Add treestruct.def.
1697         (c-decl.o): Add pointer-set.h
1698         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
1699         visibility on regular DECL's.
1700         (merge_decls): Fix the copying of decl nodes of various types for
1701         the new structures.  Don't update RTL, section name, weak status,
1702         etc, on DECL's without RTL.     
1703         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
1704         Don't check volatile on non-variable types.
1705         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
1706         to check whether we have seen arguments.
1707         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
1708         flag is checked before field (flag is common, field is not).    
1709         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
1710         TS_DECL_COMMON could have an origin.
1711         (add_location_or_const_value_attribute): Don't check section name
1712         on non-var/function decls.
1713         (dwarf2out_var_location): Reverse order of tests.
1714         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
1715         with DECL_WRTL_CHECK.
1716         * expmed.c (make_tree): rtl is now in decl_with_rtl.
1717         * fold-const.c (fold_binary): Don't check weakness on
1718         non-var/function decls.
1719         (tree_expr_nonzero_p): Ditto.
1720         (fold_checksum_tree): Use tree_decl_extra as sizeof
1721         buffer.
1722         * ggc-page.c (extra_order_size_table): Add sizes for
1723         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
1724         tree_field_decl.
1725         * gimplify.c (gimplify_bind_expr): Only set
1726         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
1727         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
1728         without RTL.
1729         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
1730         * langhooks.h (init_ts). New langhook.
1731         * passes.c (rest_of_decl_compilation): Reverse order of tests.
1732         * print-tree.c (print_node): Update to only print fields that
1733         exist in the structures the passed decl has.
1734         * toplev.c (wrapup_global_declarations): Don't reset
1735         DECL_DEFER_OUTPUT on DECL's that don't contain it.
1736         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
1737         * tree-inline.c (remap_decl): Ditto.
1738         * tree-outof-ssa.c (create_temp): Reverse order of tests.
1739         * tree-pretty-print.c (print_declaration): Don't print
1740         DECL_REGISTER on things that don't contain it.
1741         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
1742         non-var/function decls.
1743         * tree.c (tree_contains_struct): New structure.
1744         (init_priority_for_decl): New hashtable.
1745         (tree_int_map): New structure.
1746         (tree_int_map_eq): New function.
1747         (tree_int_map_marked_p): Ditto.
1748         (tree_int_map_hash): Ditto.
1749         (tree_map): Move to tree.h.
1750         (tree_map_eq): Externalize.
1751         (tree_map_hash): Ditto.
1752         (tree_map_marked_p): Ditto.
1753         (init_ttree): Set up tree_contains_struct and call langhook.
1754         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
1755         (tree_code_size): Update for new structures.
1756         (tree_node_structure): Update for new structures.
1757         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
1758         without the field.
1759         (copy_node_stat):  Copy init priority.
1760         (build_decl_stat): Ditto for visibility.
1761         (ts_enum_names): New.
1762         (tree_contains_struct_check_failed): New function.
1763         (decl_init_priority_lookup): Ditto.
1764         (decl_init_priority_insert): Ditto.
1765         * treestruct.def: New file.
1766         * tree.h (CODE_CONTAINS_STRUCT): New macro.
1767         (CONTAINS_STRUCT_CHECK): Ditto.
1768         (tree_contains_struct_check_failed): New prototype.
1769         (DECL_CHECK): Removed.
1770         (DECL_MINIMAL_CHECK): New.
1771         (DECL_COMMON_CHECK): Ditto.
1772         (DECL_WRTL_CHECK): Ditto.
1773         (DECL_NON_COMMON_CHECK): Ditto.
1774         (DECL_WITH_VIS_CHECK): Ditto.
1775         (VAR_OR_FUNCTION_DECL_P): Ditto
1776         (struct tree_decl_minimal): New structure.
1777         (struct tree_decl_common): Ditto.
1778         (struct tree_decl_with_rtl): Ditto.
1779         (struct tree_decl_with_vis): Ditto.
1780         (struct tree_decl_non_common): Ditto.
1781         (struct tree_field_decl): Ditto.
1782         (struct tree_parm_decl): Ditto.
1783         (struct tree_var_decl): Ditto.
1784         (struct tree_function_decl): Ditto.
1785         (struct tree_const_decl): Ditto.
1786         (struct tree_result_decl): Ditto.
1787         (union tree_node): Add new structures.
1788         * var-tracking.c (track_expr_p): Reverse order of tests.
1789         
1790         * doc/c-tree.texi: Add documentation on DECL node internal structure.
1791
1792 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
1793
1794         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
1795         * system.h: Poison FINALIZE_PIC.
1796         * doc/tm.texi (FINALIZE_PIC): Remove.
1797
1798 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
1799
1800         PR tree-opt/22329
1801         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
1802         to the correct type if we have a MODIFY_EXPR.
1803
1804 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
1805
1806         PR tree-optimization/22360
1807         * tree.c (upper_bound_in_type): Fix calculations for casting
1808         to a non-wider signed type and casting a signed value to a
1809         wider unsigned type.
1810         (lower_bound_in_type): Fix calculations for casting to a
1811         non-wider signed type.
1812
1813         PR tree-optimization/20139
1814         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
1815         release_defs.
1816         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
1817         fold_cond_expr_cond.
1818         * tree-ssanames.c (release_defs): Assert in_ssa_p.
1819         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
1820
1821 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
1822
1823         PR tree-opt/22356
1824         * tree-complex.c (expand_complex_libcall): Produce
1825         REALPART_EXPR/IMAGPART_EXPR with the correct type.
1826
1827 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
1828
1829         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
1830         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
1831         b" assert and inserted fastpath code for this case.
1832         (bitmap_ior): Removed "a != b" assert.
1833
1834 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1835
1836         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
1837         (ENDFILE_SPEC): Likewise.
1838         * config/m32r/m32r.h (ASM_SPEC): Likewise.
1839
1840         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
1841         a large stack frame at epilogue.
1842
1843 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
1844
1845         * final.c: Include sdbout.h when required.
1846
1847 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
1848
1849         * config.gcc (*-*-darwin*): Only one target-specific header file
1850         for generic darwin.
1851         (powerpc-*-darwin*): Add version-specific header files.
1852         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
1853         * config.in: Regenerate.
1854         * configure: Regenerate.
1855         * gcc.c: Include xregex.h.
1856         (version_compare_spec_function): New.
1857         (spec_function): Add version-compare.
1858         (replace_outfile_spec_function): Reformat comment.
1859         (compare_version_strings): New.
1860         * config/darwin-c.c (version_as_macro): New.
1861         (builtin_define): New.
1862         (darwin_cpp_builtins): New.
1863         * config/darwin-protos.h (darwin_cpp_builtins): New.
1864         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
1865         (LIB_SPEC): Make unconditional, update comment.
1866         (TARGET_C99_FUNCTIONS): Define.
1867         * config/darwin.opt: Sort.
1868         (mmacosx-version-min=): New.
1869         * config/darwin7.h: Delete.
1870         * config/darwin8.h: Delete.
1871         * config/i386/darwin.h (): Call darwin_cpp_builtins.
1872         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
1873         (TARGET_C99_FUNCTIONS): Define.
1874         * config/rs6000/darwin7.h: New.
1875         * config/rs6000/darwin8.h: New.
1876         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
1877         (-mmacosx-version-min): Document.
1878
1879 2005-07-07  Ian Lance Taylor  <ian@airs.com>
1880
1881         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
1882
1883 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
1884
1885         PR middle-end/22239
1886         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
1887
1888 2005-07-07  Khem Raj  <kraj@mvista.com>
1889
1890         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
1891         in bytes, not words.
1892
1893 2005-07-07  Paul Brook  <paul@codesourcery.com>
1894
1895         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
1896         DEFAULT_FUNCTION_ARG_PADDING to upward.
1897
1898 2005-07-07  Richard Henderson  <rth@redhat.com>
1899
1900         * function.c (locate_and_pad_parm): Record parameter alignment in
1901         stack_alignment_needed.
1902
1903 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
1904
1905         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
1906         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
1907         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
1908         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
1909         (define_attr "type"): Add isync, sync, load_l, store_c.
1910         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
1911         Create scratch volatile MEM.
1912         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
1913         sync.
1914         (load_locked_<mode>): New.
1915         (store_conditional_<mode>): New.
1916         (sync_compare_and_swap<mode>): Replace with splitter.
1917         (sync_lock_test_and_set<mode>): Replace with splitter.
1918         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
1919         and UNSPECV_ISYNC.
1920         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
1921         is ics.  Attribute isync.
1922         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
1923         lwsync.
1924         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
1925         and UNSPECV_SYNC_OP.
1926         (emit_unlikely_jump): New.
1927         (emit_load_locked): New.
1928         (emit_store_conditional): New.
1929         (rs6000_split_compare_and_swap): New.
1930         (rs6000_split_lock_test_and_set): New.
1931         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
1932         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
1933         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
1934         rs6000_split_lock_test_and_set): Declare.
1935         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
1936         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
1937         store_c, isync, sync.
1938
1939 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
1940
1941         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
1942         filenames to gtyp-gen.h.
1943         (s-typ-gen): Use it in place of for loops.
1944
1945 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
1946
1947         * hooks.c (hook_bool_rtx_int_false): New function.
1948         * hooks.h (hook_bool_rtx_int_false): Declare.
1949         * target-def.h (TARGET_COMMUTATIVE_P): Define.
1950         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
1951         * target.h (struct gcc_target): Add commutative_p member.
1952         * targhooks.c (hook_bool_rtx_commutative_p): New function.
1953         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
1954         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
1955         (pa_commutative_p): New function.
1956         * jump.c (target.h): Include.
1957         (rtx_renumbered_equal_p): Use targetm.commutative_p.
1958         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
1959
1960 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
1961
1962         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
1963         (s390_expand_setmem): New.
1964         * config/s390/s390.c: Likewise. 
1965         (print_shift_count_operand): Truncate to 12 bits instead of 6.
1966         Adapt comments.
1967         * config/s390/s390.md: ("setmem<mode>"): Accept character as
1968         general_operand.  Call new function "s390_expand_setmem".
1969         ("clrmem_long", "*clrmem_long"): Rewrite to ...
1970         ("setmem_long", "*setmem_long"): ... this.
1971
1972 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
1973         
1974         * config/s390/s390.c: (optimization_options): Enable
1975         TARGET_MVCLE at -Os.
1976         * doc/invoke.texi: Document changes in default behaviour.
1977         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
1978
1979 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
1980
1981         * expr.c: (set_storage_via_setmem): Convert opchar to mode
1982         defined by back-end.
1983
1984 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
1985
1986         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
1987         all sets in the pattern.
1988         * config/rs6000/rs6000.md (stack_protect_testsi,
1989         stack_protect_testdi): Likewise.
1990
1991 2005-07-06  Jeff Law  <law@redhat.com>
1992
1993         * tree-vrp.c (simplify_using_ranges): Kill.
1994         (vrp_finalize): Remove call to simplify_using_ranges.
1995         (simplify_stmt_using_ranges): New function extracted from
1996         simplify_using_ranges.
1997         (simplify_div_or_mod_using_ranges): Likewise.
1998         (simplify_abs_using_ranges): Likewise.
1999         (simplify_cond_using_ranges): New function.
2000         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
2001         * tree-ssa-propagate.c (substitute_and_fold): Call
2002         simplify_stmt_using_ranges if we have range information.
2003
2004 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
2005
2006         * config/ia64/ia64.c (ia64_reorg): Check optimize before
2007         ia64_flag_schedule_isns2.
2008
2009         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
2010         reading/writing general registers.
2011         (ia64_function_arg): Revert 2005-06-18 change.
2012
2013 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
2014
2015         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
2016         (legitimize_tls_address): Use gcc_unreachable instead of abort.
2017
2018 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
2019
2020         * function.c (expand_function_end): Revert part of 2005-06-27
2021         patch.  Do sjlj_emit_function_exit_after after return_label.
2022
2023 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
2024
2025         * doc/install.texi (--disable-libssp): New.
2026
2027 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
2028
2029         * doc/invoke.texi: Update -fforce-mem documentation.
2030         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove 
2031         code for -fforce-mem.
2032         * expmed.c: (store_bit_field,store_fixed_bit_field,
2033         extract_bit_field): Ditto.
2034         * expr.c: (convert_move): Ditto.
2035         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
2036         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
2037         emit_conditional_add,expand_float,expand_fix): Ditto.
2038         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
2039         (common_handle_option): Issue warning when -fforce-mem specified.
2040
2041 2005-07-06  Paul Brook  <paul@codesourcery.com>
2042
2043         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
2044         argument is empty.
2045         * configure: Regenerate.
2046
2047 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
2048
2049         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
2050
2051 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
2052
2053         Fix PR tree-optimization/22319
2054         Fix PR tree-optimization/22140
2055         Fix PR tree-optimization/22310
2056
2057         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
2058         variable sized types.
2059         Use correct type for intermediate structure on *a = *b structure
2060         copies.
2061                 
2062 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
2063
2064         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
2065         Remove.
2066         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
2067         (machine_function): Move typedef to...
2068         * config/rs6000/rs6000.c (machine_function): ... here.  Add
2069         varargs_save_offset field.
2070         (rs6000_stack_t): Remove varargs_size field.
2071         (setup_incoming_varargs): Allocate varargs save area using
2072         assign_stack_local, try to make it as small as possible.
2073         Save offset from virtual_stack_vars_rtx to the save area
2074         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
2075         instead of magic 8 when fp word byte size is used.
2076         (rs6000_va_start): Use cfun->machine->varargs_save_offset
2077         instead of -RS6000_VARARGS_SIZE.
2078         (rs6000_stack_info, debug_stack_info,
2079         rs6000_initial_elimination_offset): Remove all traces of
2080         varargs_size.
2081         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
2082         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
2083         RS6000_VARARGS_AREA.
2084
2085 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
2086
2087         PR tree-optimization/21963
2088         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
2089         constant_multiple_of in the same way get_computation_cost_at does.
2090
2091 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
2092
2093         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
2094         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
2095         (gen_compare_reg): If sparc_compare_emitted is set, clear it
2096         and return its previous value.
2097         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
2098         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
2099         constants.
2100         (stack_protect_set, stack_protect_test): New expanders.
2101         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
2102         stack_protect_testdi): New insns.
2103         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
2104         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
2105
2106 2005-07-06  Jeff Law  <law@redhat.com>
2107
2108         * tree-ssa-dce.c (cfg_altered): New global.
2109         (tree_dce_init): Initialize cfg_altered.
2110         (remove_dead_stmt): If we remove an edge in the CFG, then set
2111         CFG_ALTERED.
2112         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
2113         the dominators.
2114
2115 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
2116
2117         * Makefile.in (stamp-collect-ld): Use
2118         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
2119         ./collect-ld if it already exists.
2120         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
2121         Don't remove ./nm if it already exists.
2122
2123 2005-07-05  Devang Patel  <dpatel@apple.com>
2124
2125         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
2126         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
2127         * tree-vectorizer.c (vect_loop_location): New.
2128         (vect_print_dump_info): Use vect_loop_location.
2129         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
2130         (vectorize_loops): Set vect_loop_location.
2131         * tree-vect-analyze.c (vect_analyze_offset_expr, 
2132         vect_determin_vectorization_factor, vect_analyze_operations,
2133         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
2134         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
2135         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
2136         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
2137         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
2138         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
2139         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
2140         vect_analyze_loop): Adjust vect_print_dump_info API.
2141         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2142         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
2143         vect_finish_stmt_generation, vectorizable_assignment, 
2144         vectorizable_operation, vectorizable_store, vectorizable_load, 
2145         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
2146         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
2147         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
2148         vect_transform_loop): Same.
2149         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
2150         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
2151         Same.
2152
2153 2005-07-05  Randolph Chung  <tausq@debian.org>
2154
2155         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
2156         * configure: Regenerate.
2157         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
2158         (pa_tls_referenced_p): Declare.
2159         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
2160         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
2161         (legitimize_tls_address): New.
2162         (hppa_legitimize_address): Handle TLS addresses.
2163         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
2164         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
2165         (emit_move_sequence): Handle TLS addresses.
2166         (pa_encode_section_info): Call default handler to handle common 
2167         sections.
2168         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
2169         (CONSTANT_ADDRESS_P): Reject TLS operands.
2170         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
2171         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
2172         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
2173         (UNSPEC_TLSLE): Define new constants. 
2174         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
2175         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
2176         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
2177         (tie_symbolic_operand, tle_symbolic_operand): New
2178
2179 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
2180
2181         * aclocal.m4: Update macros for autoconf 2.59 style.
2182         * configure.ac: Likewise.
2183
2184 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2185
2186         * pa.c (function_value): Handle small aggregates on 32-bit targets.
2187         (function_arg): Pass small aggregates in general registers on 32-bit
2188         targets.
2189         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
2190
2191 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
2192
2193         * Makefile.in (final.o): Fix dependencies.
2194
2195 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
2196
2197         PR c/22013
2198         PR c/22098
2199         * langhooks.h (struct lang_hooks): Add expr_to_decl.
2200         * langhooks.c (lhd_expr_to_decl): New.
2201         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
2202         New.
2203         (LANG_HOOKS_INITIALIZER): Update.
2204         * tree.c (recompute_tree_invarant_for_addr_expr): Call
2205         expr_to_decl langhook.
2206         * c-tree.h (c_expr_to_decl): Declare.
2207         * c-typeck.c (c_expr_to_decl): New.
2208         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
2209         specially.
2210         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
2211
2212 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
2213
2214         PR c/22308
2215         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
2216         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
2217
2218 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
2219
2220         * Makefile.in: Adjust dependencies.
2221         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
2222         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
2223         * alias.c (rest_of_handle_cfg, pass_cfg): New.
2224         * bb-reorder.c (duplicate_computed_gotos): Make it static.
2225         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
2226         rest_of_compilation.
2227
2228         * bb-reorder.c (gate_duplicate_computed_gotos,
2229         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
2230         rest_of_handle_reorder_blocks, pass_reorder_blocks,
2231         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
2232         pass_partition_blocks): New.
2233         * bt-load.c (gate_handle_branch_target_load_optimize,
2234         rest_of_handle_branch_target_load_optimize,
2235         pass_branch_target_load_optimize): New.
2236         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
2237         pass_jump2): New.
2238         * cfglayout.c (pass_insn_locators_initialize): New.
2239         * cfgrtl.c (pass_free_cfg): New.
2240         * combine.c (gate_handle_combine, rest_of_handle_combine,
2241         pass_combine): New.
2242         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
2243         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
2244         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
2245         * except.c (pass_set_nothrow_function_flags,
2246         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
2247         pass_rtl_eh): New.
2248         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
2249         rest_of_handle_shorten_branches, pass_shorten_branches,
2250         rest_of_clean_state, pass_clean_state): New.
2251         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
2252         rest_of_handle_remove_death_notes, pass_remove_death_notes,
2253         rest_of_handle_life, pass_life, rest_of_handle_flow2,
2254         pass_flow2): New.
2255         * function.c (pass_instantiate_virtual_regs, pass_init_function,
2256         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
2257         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
2258         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
2259         pass_gcse): New.
2260         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
2261         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
2262         pass_rtl_ifcvt, gate_handle_if_after_combine,
2263         rest_of_handle_if_after_combine, pass_if_after_combine,
2264         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
2265         pass_if_after_reload): New.
2266         * integrate.c (pass_initial_value_sets): New.
2267         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
2268         pass_purge_lineno_notes): New.
2269         * mode-switching.c (rest_of_handle_mode_switching,
2270         pass_mode_switching): New.
2271         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
2272         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
2273         pass_loop2): New.
2274         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
2275         pass_loop_optimize): New.
2276         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
2277         pass_sms): New.
2278         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
2279         pass_gcse2): New.
2280         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
2281         pass_postreload_cse): New.
2282         * profile.c (gate_handle_profiling, pass_profiling,
2283         rest_of_handle_branch_prob, pass_branch_prob): New.
2284         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split, 
2285         pass_split_before_regstack, gate_handle_split_before_regstack,
2286         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
2287         rest_of_handle_split_all_insns, pass_split_all_insns): New.
2288         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
2289         pass_stack_regs): New.
2290         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
2291         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
2292         pass_stack_adjustments): New.
2293         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
2294         pass_regrename): New.
2295         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
2296         pass_delay_slots, gate_handle_machine_reorg,
2297         rest_of_handle_machine_reorg, pass_machine_reorg): New.
2298         * rtl.h (extern void purge_line_number_notes): New.
2299         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
2300         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
2301         pass_sched2): New.
2302         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
2303         pass_tracer): New.
2304         * value-prof.c (gate_handle_value_profile_transformations,
2305         rest_of_handle_value_profile_transformations,
2306         pass_value_profile_transformations): New.
2307         * var-tracking.c (gate_handle_var_tracking,
2308         pass_variable_tracking): New.
2309         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
2310
2311         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
2312         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
2313         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
2314         rest_of_handle_old_regalloc, rest_of_handle_regrename,
2315         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
2316         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
2317         rest_of_handle_gcse2, rest_of_handle_regmove,
2318         rest_of_handle_tracer, rest_of_handle_if_conversion,
2319         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
2320         rest_of_handle_web, rest_of_handle_branch_prob,
2321         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
2322         rest_of_handle_jump_bypass, rest_of_handle_combine,
2323         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
2324         rest_of_handle_gcse, rest_of_handle_loop_optimize,
2325         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
2326         rest_of_handle_mode_switching, rest_of_handle_jump,
2327         rest_of_handle_eh, rest_of_handle_stack_adjustments,
2328         rest_of_handle_flow2, rest_of_handle_jump2,
2329         rest_of_handle_peephole2, rest_of_handle_postreload,
2330         rest_of_handle_shorten_branches, rest_of_clean_state,
2331         rest_of_compilation): Remove.
2332
2333         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
2334         * passes.c (dump_flags, in_gimple_form, all_passes,
2335         all_ipa_passes, all_lowering_passes, register_one_dump_file,
2336         register_dump_files, next_pass_1, last_verified, execute_todo,
2337         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
2338         from tree-optimize.c.
2339         (init_optimization_passes): Moved from tree-optimize.c,
2340         adding the RTL optimizations.
2341         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
2342         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
2343         all_ipa_passes, all_lowering_passes, register_one_dump_file,
2344         register_dump_files, next_pass_1, last_verified, execute_todo,
2345         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
2346         init_tree_optimization_passes, ipa_passes): Delete.
2347         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
2348         the RTL dumps.
2349         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
2350         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
2351         from tree.h.
2352         (ipa_passes): Remove.
2353         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
2354         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
2355         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
2356         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
2357         (dump_info_p, dump_flag): Moved to tree-dump.h.
2358         
2359         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
2360         cgraph.c, opts.c.
2361         * passes.c (finish_optimization_passes): Use dump_begin
2362         and dump_end, TDI_end.
2363         (gate_rest_of_compilation): New.
2364         (pass_rest_of_compilation): Use it.
2365         (gate_postreload, pass_postreload): New.
2366         * toplev.c (general_init): Rename init_tree_optimization_passes.
2367         * toplev.h (init_tree_optimization_passes): Rename to
2368         init_optimizations_passes.
2369         * tree-dump.c (dump_flag): Make static.
2370         (dump_files): Remove RTL dumps.
2371         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
2372         pass_cleanup_cfg, pass_free_cfg_annotations,
2373         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
2374         pass_init_datastructures, pass_fixup_cfg): Make non-static.
2375         * tree-pretty-print.c: Include tree-pass.h.
2376         * cgraph.c: Include tree-dump.h.
2377         
2378 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
2379
2380         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
2381         Only fall back to saying it points to readonly memory if
2382         we can't do better.
2383
2384 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
2385
2386         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
2387         * config/m32r/m32r.c (m32r_compute_frame_size,
2388         m32r_expand_prologue): Take current_function_profile into
2389         account whenever we reference
2390         current_function_uses_pic_offset_table.
2391         (m32r_finalize_pic): Remove.
2392         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
2393
2394 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
2395
2396         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
2397         instead of $<.  Don't remove ./as if it already exists.
2398
2399 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2400
2401         PR target/21723
2402         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
2403         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
2404         for complex modes when generating code for PA 1.0.
2405         (VALID_FP_MODE_P): New macro.
2406         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
2407         sets for all general and floating point modes.  Align wide floating
2408         point modes to even register boundaries to comply with architectural
2409         requirements.
2410         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
2411         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
2412         (VALID_FP_MODE_P): New macro.
2413         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
2414         sets for all general and floating point modes.  Align wide floating
2415         point modes to even register boundaries to comply with architectural
2416         requirements.
2417
2418 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
2419
2420         * tree-dump.c (dump_files): Initialize dump number for .cgraph
2421         to 0.
2422
2423 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
2424
2425         * tree-ssa-structalias.c: Don't include expr.h.
2426
2427 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
2428
2429         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
2430         comments.
2431
2432 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
2433
2434         Fix PR tree-optimization/22279
2435         
2436         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
2437         correct operator.
2438         
2439 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
2440
2441         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
2442
2443 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
2444
2445         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
2446         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
2447         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
2448         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
2449         config/stormy16/stormy16.c, config/v850/v850.c,
2450         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
2451         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
2452         Avoid "." or "\n" at end of diagnostics and capital letters at
2453         start of diagnostics.
2454         * combine.c, cse.c: Don't translate dump file output.
2455         * toplev.c (print_version): Only translate output if going to
2456         stderr.
2457
2458 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
2459
2460         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
2461         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
2462         typos.
2463
2464 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2465
2466         * pa.c (fix_range): Fix typo in comment.
2467
2468 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
2469
2470         * tree-vrp.c (extract_range_from_assert): Replace
2471         fold (build (...)) with fold_build2.
2472
2473 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2474
2475         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
2476         gcc_gfc_char_table, init_dynamic_gfc_info): New.
2477         (format_types_orig, handle_format_attribute): Add support for
2478         format "gcc_gfc".
2479
2480 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2481
2482         * varasm.c (assemble_variable): Fix format specifier thinko.
2483
2484 2005-07-03  Ira Rosen  <irar@il.ibm.com>
2485
2486         PR tree-optimization/22029 (and 22135)
2487         * tree-pretty-print.c (dump_generic_node): Check that the node is not
2488         a phi node before calling dump_vops.
2489
2490 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2491
2492         * tree-dump.h (dump_string_field): Declare.
2493         * tree-dump.c: Use it instead of dump_string.
2494         (dump_string_field): Make non-static.
2495
2496 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
2497
2498         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
2499         up the minimal CFG stuff always when optimize > 0.  Call
2500         split_all_insns_noflow in PIC case if needed.
2501
2502 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2503             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
2504
2505         PR c++/18279
2506         * c-decl.c (c_write_global_declarations): Dump contents of
2507         external scope to.
2508         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
2509         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
2510         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
2511         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
2512         is enabled.
2513         
2514 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
2515
2516         * c-common.h (GCC_DIAG_STYLE): Define.
2517         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
2518         version for format checking to 4.1.
2519         * c-format.c: Include toplev.h after c-common.h.
2520         (enum format_type): Add gcc_tdiag_format_type.
2521         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
2522         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
2523         (format_types_orig): Add gcc_tdiag.
2524         (init_dynamic_diag_info): Support gcc_tdiag formats.
2525         (handle_format_attribute): Likewise.
2526         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
2527         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
2528         version for format checking to 4.1.
2529         (warning0, warning, error, pedwarn, sorry): Use
2530         ATTRIBUTE_GCC_DIAG.
2531         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
2532         (finish_aliases_1): Do not use %qE.
2533         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
2534         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
2535         Correct format bugs.
2536         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
2537         parameter to unsigned HOST_WIDE_INT.
2538         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
2539
2540 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
2541
2542         PR middle-end/21742
2543         * expr.c (write_complex_part): Use adjust_address for MEM.
2544         (read_complex_part): Same.
2545
2546 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
2547
2548         Fix PR tree-optimization/22280
2549
2550         * tree-sra.c (generate_element_init): Remove useless loop.
2551
2552 2005-07-02  Richard Henderson  <rth@redhat.com>
2553
2554         * config/alpha/alpha.c (alpha_legitimize_address): Check for
2555         TLS_MODEL_NONE.
2556         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
2557
2558 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
2559
2560         PR middle-end/14490
2561         * fold-const.c (fold_binary): Handle the return value of
2562         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
2563         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
2564
2565 2005-07-02  Jeff Law  <law@redhat.com>
2566
2567         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
2568         a eliminate type conversion which feeds an equality comparison
2569         if the original type or either operand in the comparison is a
2570         function pointer.
2571
2572 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
2573
2574         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
2575         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
2576         texts.
2577         * config/avr/avr.c: Do not use '`' as left quote.
2578         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
2579         Remove "." from end of diagnostics.  Make diagnostics start with
2580         lowercase letter.
2581
2582 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
2583             Joseph S. Myers  <joseph@codesourcery.com>
2584
2585         * toplev.c (default_tree_printer): Handle setting location with
2586         '+' flag.
2587         * c-objc.common.c (c_tree_printer): Likewise.
2588         * c-format.c (gcc_diag_flag_specs): Add '+'.
2589         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
2590         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
2591         formats.
2592         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
2593         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
2594         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
2595         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
2596         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
2597         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
2598         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
2599         format arguments where %J is used without %D.
2600
2601 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
2602
2603         * gcc.c (LINK_SSP_SPEC): Define.
2604         (link_ssp_spec): New variable.
2605         (LINK_COMMAND_SPEC): Add %(link_ssp).
2606         (static_specs): Add link_ssp_spec.
2607         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
2608         * configure: Rebuilt.
2609         * config.in: Rebuilt.
2610
2611         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
2612         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
2613         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
2614         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
2615         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
2616         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
2617         -0x7008(2) instead of reading __stack_chk_guard variable.
2618         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
2619         number.
2620         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
2621         (stack_protect_set, stack_protect_test): Use *_tls* patterns
2622         if TARGET_THREAD_SSP_OFFSET is defined.
2623         (stack_tls_protect_set_si, stack_tls_protect_set_di,
2624         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
2625
2626         Revert:
2627         2005-06-27  Richard Henderson  <rth@redhat.com>
2628         * libgcc-std.ver (GCC_4.1.0): New.
2629         * libgcc.h (__stack_chk_guard): Declare.
2630         (__stack_chk_fail, __stack_chk_fail_local): Declare.
2631         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
2632         * mklibgcc.in (lib2funcs): Add them.
2633
2634 2005-07-01  Richard Henderson  <rth@redhat.com>
2635
2636         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
2637         void * before struct sigcontext *.
2638         (x86_fallback_frame_state): Likewise.
2639
2640 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
2641
2642         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
2643
2644 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
2645
2646         PR tree-opt/22269
2647         * tree-ssa-reassoc.c (should_transpose): Fix which operand
2648         we check for SSA_NAME for.
2649
2650 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
2651
2652         Fix PR tree-optimization/22071
2653
2654         * tree-ssa-structalias.c (offset_overlaps_with_access): New
2655         function.
2656         (get_constraint_for_component_ref): Use it.
2657
2658 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
2659
2660         PR other/22264
2661         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
2662         print out the last new line.
2663
2664 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
2665
2666         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
2667         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
2668         * config/cris/cris.c (cris_conditional_register_usage): Adjust
2669         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
2670         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
2671         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
2672         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
2673         (enum reg_class): New member CC0_REGS.
2674         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
2675         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
2676         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
2677         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
2678         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
2679         Adjust for register now described.
2680
2681 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
2682
2683         PR target/22262
2684         * config/i386/i386.md (stack_protect_test_si,
2685         stack_protect_test_di): Add earlyclobber for scratch 3.
2686         * config/rs6000/rs6000.md (stack_protect_testsi,
2687         stack_protect_testdi): Add earlyclobber for scratch 3,
2688         remove earlyclobber from scratch 4.
2689
2690 Older entries for 2005 can be found in ChangeLog-2005.