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2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
2
3         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
4         types when flag_unsafe_math_optimizations is true.
5
6 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
7
8         * gcc.c (option_map): Add --sysroot.
9         (process_command): Handle --sysroot.
10         (display_help): Document it.
11         * doc/cppopts.tex (-isysroot): Document.
12         * doc/invoke.texi (--sysroot): Document.
13         * doc/install.texi (--with-build-sysroot): Document.
14
15         * Makefile.in (inhibit_libc): New variable.
16         (INHIBIT_LIBC_CFLAGS): Likewise.
17         (LIBGCC2_CFLAGS): Include
18         $(INHIBIT_LIBC_CFLAGS).
19         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
20         ($(T)crtbegin.o): Do not use @inhibit_libc@.
21         ($(T)crtend.o): Likewise.
22         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
23         ($(T)crtendS.o): Likewise.
24         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
25         ($(T)crtendT.o): Likewise.
26         (stmp-fixinc): Do not complain about missing headers if
27         inhibit_libc.
28         * configure.ac (inhibit_libc): Set it to true/false.
29         (--with-build-sysroot): New option.  Use it to set
30         SYSTEM_HEADER_DIR. 
31         * configure: Regenerated.
32
33 2005-07-25  Manfred Hollstein  <mh@suse.com>
34
35         * calls.c (store_one_arg): Fix unsigned comparison warning.
36
37 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
38
39         PR other/22337
40         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
41         (ggc_print_statistics): Initialize variable before use.
42
43 2005-07-25  Richard Guenther  <rguenther@suse.de>
44
45         * tree-dfa.c (mark_new_vars_to_rename): Protect against
46         calling with a PHI_NODE argument.
47
48         * tree-flow-inline.h (overlap_subvar): Protect against
49         possible overflow.
50
51 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
52
53         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
54         * configure: Regenerate.
55
56 2005-07-25  Ira Rosen  <irar@il.ibm.com>
57
58         * expr.c (highest_pow2_factor): Make extern.
59         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
60         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
61         record_array_differ_p, array_ptr_differ_p): Likewise.
62         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
63         additional cases. Call the above functions.
64         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
65         base_object_differ_p when there are two base objects. Otherwise, compare
66         base address and offset. Call may_alias_p.
67         (dump_data_reference): Use a correct field name.
68         (analyze_array): Make static. Initialize new data-ref fields.
69         (analyze_indirect_ref): New function.
70         (init_data_ref): Initialize new data-ref fields.   
71         (strip_conversion): Moved from tree-vect-analyze.c. 
72         (analyze_offset_expr, get_ptr_offset, address_analysis,
73         object_analysis): Likewise.
74         (analyze_offset): New function.
75         (create_data_ref): Likewise.
76         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
77         dimensions for ARRAY_REFs only.
78         (build_classic_dist_vector): Make static.
79         (access_functions_are_affine_or_constant_p): Call macro to get the
80         address of access functions.
81         (compute_all_dependences): Add new parameter
82         compute_self_and_read_read_dependences. Compute self and read-read  
83         dependences if it is true.
84         (find_data_references_in_loop): Call create_data_ref. Initialize new
85         data-ref fields.
86         (compute_data_dependences_for_loop): Add new parameter
87         compute_self_and_read_read_dependences. Remove parameter nb_loops,
88         compute nb_loops. Call compute_all_dependences,
89         build_classic_dist_vector and build_classic_dir_vector with correct
90         parameters.
91         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
92         with correct parameters. Compare dimensions for ARRAY_REFs only.
93         (free_data_refs): Call macro to free access functions.
94         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
95         fields from stmt_vinfo.
96         (struct base_object_info): New structure.
97         (struct data_reference): Move fields to base_object_info. Add fields   
98         first_location and object_info for above structures. Move fields from
99         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
100         aligned_to.  Add macros to access the new fields.
101         Update functions declarations.
102         * tree-flow.h (is_aliased_with): Declare.
103         * tree-loop-linear.c (linear_transform_loops): Call
104         compute_data_dependences_for_loop with correct parameters.
105         * tree-ssa-alias.c (is_aliased_with): New function.
106         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
107         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
108         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
109         vect_base_addr_differ_p, compute_subscript_distance and
110         build_classic_dist_vector. Add printings. Check absolute value of
111         distance.
112         (vect_analyze_data_ref_dependences): Go through ddrs instead of
113         data-refs.
114         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
115         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
116         to bytes. Add printing.
117         (vect_compute_data_refs_alignment): Go through loads and stores in one
118         loop.
119         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
120         vect_analyze_data_ref_access): Likewise.
121         (vect_analyze_pointer_ref_access): Remove.
122         (vect_address_analysis, vect_object_analysis): Likewise.
123         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
124         and analyze data-refs in the loop.
125         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
126         fields of data-ref instead of stmt. Add init to the offset from the
127         base.
128         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
129         (vect_update_init_of_dr): Likewise.
130         (vect_update_inits_of_drs): Go through loads and stores in one loop.
131         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
132         removed fields.
133         (new_loop_vec_info): Initialize new fields.
134         (destroy_loop_vec_info): Free new fields.
135         (vect_strip_conversion): Remove.
136         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
137         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
138         datarefs. Add new field ddrs. 
139         Add macros for the new fields access.
140         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
141         base_aligned_p, misalignment, memtag, ptr_info and subvars.
142         Remove their macros.
143         * tree.h (highest_pow2_factor): Declare.
144
145 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
146
147         * calls.c (store_one_arg): Check for sibling call MEM arguments
148         from already clobbered incoming argument area.
149
150 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
151
152         * c-common.c (check_missing_format_attribute): New.
153         * c-common.h (check_missing_format_attribute): Likewise.
154         * c-typeck.c (convert_for_assignment): Use it.
155
156 2005-07-24  Andreas Schwab  <schwab@suse.de>
157
158         * config/m68k/m68k.md ("extendqidi2"): When source is an address
159         register use a word move.  Correct operand of ext.w in 68000 code.
160
161 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
162
163         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
164         variables as declarations, rather than definitions.
165
166 2005-07-24  Ira Rosen  <irar@il.ibm.com>
167
168         PR tree-optimization/22526
169         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
170         of the zero node.
171
172 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
173
174         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
175         that C99 reserve for future use. Use it to define clog10,
176         clog10f and clog10l.
177
178 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
179
180         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
181         * configure.ac: Check for -Wmissing-format-attribute.
182         
183         * configure: Regenerate.
184
185 2005-07-23  Richard Henderson  <rth@redhat.com>
186
187         PR tree-optimization/22623
188         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
189
190 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
191
192         PR target/22577
193         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
194
195 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
196
197         * Makefile.in (C_TREE_H): Update dependencies.
198         * c-tree.h: Include toplev.h.
199         * diagnostic.h (diagnostic_set_info): Add format attribute.
200         * rtl-error.c (diagnostic_for_asm): Likewise.
201
202 2005-07-23  Chao-ying Fu  <fu@mips.com>
203
204         * config/mips/mips-dsp.md: New file.
205         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
206         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
207         functions.
208         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
209         MIPS_BUILTIN_BPOSGE32.
210         (mips_expand_builtin_direct): Add one parameter to indicate that
211         builtin functions need to return a value.
212         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
213         functions.
214         (mips_regno_to_class): Add classes for 12 new DSP registers.
215         (mips_subword): Change to check four HI registers.
216         (mips_output_move): Output move to and from 6 new DSP accumulators.
217         (override_options): Make sure -mdsp and -mips16 are not used together.
218         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
219         for machine modes.
220         (mips_conditional_register_usage): Disable 6 new DSP accumulators
221         when !TARGET_DSP.
222         (print_operand): Add 'q' for printing DSP accumulators.
223         (mips_cannot_change_mode_class): Check ACC_REGS.
224         (mips_secondary_reload_class): Check ACC_REGS.
225         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
226         (mips_register_move_cost): Check ACC_REGS.
227         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
228         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
229         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
230         (dsp_bdesc): New array.
231         (bdesc_arrays): Add DSP builtin function table.
232         (mips_prepare_builtin_arg): Check predicate again after
233         copy_to_mode_reg.
234         (mips_expand_builtin): Add one more parameter to
235         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
236         MIPS_BUILTIN_BPOSGE32.
237         (mips_init_builtins): Initialize new function types.
238         (mips_expand_builtin_direct): Check if builtin functions need to
239         return a value and pass operands properly.
240         (mips_expand_builtin_bposge): New function.
241         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
242         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
243         (FIRST_PSEUDO_REGISTER): Increase to 188.
244         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
245         Update for 12 new DSP registers.
246         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
247         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
248         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
249         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
250         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
251         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
252         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
253         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
254         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
255         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
256         (REGISTER_NAMES): Add names for 12 new DSP registers.
257         * config/mips/mips.md: Include mips-dsp.md.
258         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
259         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
260         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
261         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
262         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
263         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
264         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
265         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
266         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
267         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
268         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
269         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
270         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
271         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
272         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
273         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
274         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
275         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
276         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
277         (UNSPEC_RDDSP): New constants.
278         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
279         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
280         A<-d alternative.
281         * config/mips/mips.opt (-mdsp): New option.
282         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
283         (reg_imm10_operand): New predicates.
284         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
285         * doc/invoke.texi (-mdsp): Document new option.
286
287 2005-07-22  DJ Delorie  <dj@redhat.com>
288
289         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
290         to warning calls.
291         * tree-inline.c (inlinable_function_p): Likewise.
292
293 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
294
295         PR debug/21828
296         * toplev.c (check_global_declarations): Do not mark undefined
297         variables as DECL_IGNORED_P.
298         * varasm.c (first_global_object_name): GTY it.
299         (weak_global_object_name): Likewise.
300         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
301         a string to go into {weak,first}_global_object_name.
302
303 2005-07-22  DJ Delorie  <dj@redhat.com>
304
305         * c-format.c (check_function_format): Change warning control
306         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
307
308 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
309
310         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
311         &PTR->FLD a dereference of PTR.
312         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
313         a potential dereference of PTR.
314
315 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
316
317         PR rtl-optimization/20370
318         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
319         call allocate_reg_info if necessary.
320
321         PR rtl-optimization/21848
322         * calls.c (emit_library_call_value_1): For const functions, add
323         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
324
325         PR rtl-optimization/22445
326         * cselib.c (target.h): Include.
327         (rtx_equal_for_cselib_p): Allow commutative matches.
328         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
329         Remove MODE parameter.  Changed all callers.
330
331         PR rtl-optimization/22258
332         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
333         New functions.
334         (try_combine): Use likely_spilled_retval_p.
335
336 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
337
338         * config.gcc: Add crx-elf support.
339
340         * doc/contrib.texi: Mention crx.
341         * doc/extend.texi: Document crx extensions.
342         * doc/install.texi: Document crx install.
343         * doc/invoke.texi: Document crx options.
344         * doc/md.texi: Document crx constraints.
345
346         * config/crx/crx-protos.h: New file.
347         * config/crx/crx.c: New file.
348         * config/crx/crx.h: New file.
349         * config/crx/crx.md: New file.
350         * config/crx/crx.opt: New file.
351         * config/crx/t-crx: New file.
352         
353 2005-07-22  Manfred Hollstein  <mh@suse.com>
354
355         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
356         warnings.
357         (int_add_graph_edge): Likewise.
358         (collapse_nodes): Likewise.
359         (process_unification_queue): Likewise.
360
361 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
362             Laurent GUERBY  <laurent@guerby.net>
363
364         PR tree-optimization/22336
365         * function.c (record_block_change): Check for 
366         cfun->ib_boundaries_block.
367         
368 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
369
370         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
371         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
372
373 2005-07-21  DJ Delorie  <dj@redhat.com>
374
375         * toplev.c (warn_deprecated_use): Add warning control to warning
376         call.
377         * c-typeck.c (parser_build_binary_op): Likewise.
378         (c_finish_if_stmt): Likewise.
379         * c-common.c (check_function_sentinel): Likewise.
380         (check_nonnull_arg): Likewise.
381
382 2005-07-21  Richard Henderson  <rth@redhat.com>
383
384         PR tree-opt/22504
385         * tree-complex.c (complex_ssa_name_components): New.
386         (cvc_lookup): Allow entry not found.
387         (create_components): Remove.
388         (create_one_component_var, get_component_var): New.
389         (get_component_ssa_name, set_component_ssa_name): New.
390         (extract_component): Use get_component_ssa_name.
391         (update_complex_components): Use set_component_ssa_name.
392         (update_complex_components_on_edge): Likewise.
393         (update_phi_components): Create new PHI nodes directly, instead
394         of adding insns to edges.
395         (tree_lower_complex): Allocate and free complex_variable_components
396         and complex_ssa_name_components here.
397
398 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
399         
400         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
401         revert to returning false.
402
403 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
404
405         PR target/21149
406         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
407
408 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
409
410         PR target/22576
411         * config/i386/i386.md (cmpxf): Change operand constraints
412         to "nonmemory_operand".
413
414 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
415
416         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
417
418 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
419
420         PR middle-end/21180
421         * fold-const.c (fold_build1): Add checksum for the operands.
422         (fold_build2): Likewise.        
423         (fold_build3): Likewise.
424
425 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
426
427         PR middle-end/19055
428         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
429
430 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
431
432         * common.opt (-fforward-propagate): Committed by mistake,
433         removed.
434
435 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
436
437         * reg-stack.c: Fix comment typo(s).
438         * tree-ssa-operands.c: Likewise.
439         * tree-vectorizer: Likewise.
440
441 2005-07-21  Nick Clifton  <nickc@redhat.com>
442
443         * config/sh/symbian.c: Replace C++ style line comments with C
444         style line comments.
445         (symbian_add_attribute): Do not use a ? operator on the LHS of
446         an assignment.
447         (sh_symbian_handle_dll_attribute): Change the type of the
448         method vector to "VEC(tree,gc)*" and use vector accessor
449         macros to walk over the elements.
450         (symbian_export_vtable_and_rtti_p): Likewise.
451         (symbian_class_needs_attribute_p): Likewise.
452
453 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
454
455         PR target/22085
456         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
457         initialize targetm.resolve_overloaded_builtin here.
458         (altivec_expand_overloaded_builtin): Make it non-static.
459         * config/rs6000/rs6000-protos.h
460         (altivec_expand_overloaded_builtin): New prototype.
461         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
462         targetm.resolve_overloaded_builtin here.
463         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
464
465 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
466             Zdenek Dvorak  <dvorakz@suse.cz>
467
468         PR tree-optimization/19210
469         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
470         New.
471         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
472         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
473         rely on unproven assumptions.
474         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
475         * tree-flow.h (number_of_iterations_exit): Add final parameter.
476         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
477         to number_of_iterations_exit.
478         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
479         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
480         * tree-ssa-loop-niter.c (find_loop_niter,
481         estimate_numbers_of_iterations_loop): Likewise.
482         (number_of_iterations_exit): Honor the new options.
483         * doc/invoke.texi (Wunsafe-loop-optimizations,
484         funsafe-loop-optimizations): Document them.
485
486 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
487
488         PR rtl-optimization/22167
489         * gcse.c (hoist_code): Fix hoist_exprs[] check.
490
491 2005-07-20  Adam Nemet  <anemet@lnxw.com>
492
493         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
494         __do_global_dtors_aux longcall.
495
496 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
497
498         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
499         (old_special_pred_table): Don't reference
500         SPECIAL_MODE_PREDICATES.
501         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
502         * config/arc/arc.h: Don't mention PREDICATE_CODES.
503         * config/sh/predicates.h: Don't mention
504         SPECIAL_MODE_PREDICATES.
505         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
506         Remove.
507
508 2005-07-20  DJ Delorie  <dj@redhat.com>
509
510         * config.gcc: Add m32c-elf support.
511
512         * doc/contrib.texi: Mention m32c.
513         * doc/extend.texi: Document m32c extensions.
514         * doc/install.texi: Mention m32c.
515         * doc/invoke.texi: Document m32c options.
516         * doc/md.texi: Document m32c constraints.
517
518         * config/m32c/addsub.md: New file.
519         * config/m32c/bitops.md: New file.
520         * config/m32c/cond.md: New file.
521         * config/m32c/jump.md: New file.
522         * config/m32c/m32c-lib1.S: New file.
523         * config/m32c/m32c-lib2.c: New file.
524         * config/m32c/m32c-modes.def: New file.
525         * config/m32c/m32c-pragma.c: New file.
526         * config/m32c/m32c-protos.h: New file.
527         * config/m32c/m32c.abi: New file.
528         * config/m32c/m32c.c: New file.
529         * config/m32c/m32c.h: New file.
530         * config/m32c/m32c.md: New file.
531         * config/m32c/m32c.opt: New file.
532         * config/m32c/minmax.md: New file.
533         * config/m32c/mov.md: New file.
534         * config/m32c/muldiv.md: New file.
535         * config/m32c/predicates.md: New file.
536         * config/m32c/prologue.md: New file.
537         * config/m32c/shift.md: New file.
538         * config/m32c/t-m32c: New file.
539
540 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
541
542         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
543         (stack_protect_set, stack_protect_test): New expanders.
544         (stack_protect_set_si, stack_protect_set_si_media,
545         stack_protect_set_di_media, stack_protect_test_si,
546         stack_protect_test_si_media, stack_protect_test_di_media):
547         New insns.
548
549 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
550
551         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
552
553 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
554
555         * tree.h (tree_expr_nonzero_p): Export.
556         * fold-const.c (tree_expr_nonzero_p): Likewise.
557         Return true for CALL_EXPRs that are alloca calls.
558         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
559         against zero.
560         * tree-flow.h (expr_computes_nonzero): Remove.
561         * tree-vrp.c (expr_computes_nonzero): Remove.
562         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
563         (extract_range_from_unary_expr): Likewise.
564         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
565         tree_expr_nonzero_p.
566
567 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
568
569         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
570         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
571         extra arg "picreg" and use it instead of pic_offset_table_rtx.
572         All callers changed.
573         (frame_related_constant_load): New arg "related" which controls
574         setting of RTX_FRAME_RELATED_P.  All callers changed.
575         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
576         (bfin_expand_prologue): Add stack limit checking.
577         * config/bfin/bfin.md (trapifcc): New pattern.
578
579         * config/bfin/bfin.c: Include "langhooks.h".
580         (def_builtin): Go through lang_hooks to call builtin_function.
581
582         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
583         * config/bfin/predicates.md (symbol_ref_operand): New.
584         (call_insn_operand): Delete.  All callers changed to use
585         register_no_elim_operand.
586         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
587         call_cookie field.
588         (function_arg): Use it to generate the call's operand 2.
589         (bfin_longcall_p): New function.
590         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
591         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
592         determine if the address needs to be in a REG.
593         (bfin_handle_longcall_attribute): New function.
594         (bfin_attribute_table): Add "longcall" and "shortcall".
595         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
596         (CUMULATIVE_ARGS): New member call_cookie.
597         (PREDICATE_CODES): Add symbol_ref_operand.
598         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
599         extra USE to the pattern.
600         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
601         New patterns, split off call_insn, sibcall_insn, call_value_insn and
602         sibcall_value_insn; now the new patterns handle direct calls and the
603         old ones indirect calls.
604         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
605
606 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
607
608         * doc/trouble.texi: Update section on handling of empty loops.
609
610 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
611
612         * config.gcc: Remove support for sparc-*-openbsd*,
613         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
614         ns32k-*-netbsd*.
615         * config.host: Remove support for i860-*-sysv4* as a host.
616         * config/i860/*, config/ip2k/*, config/ns32k/*,
617         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
618         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
619         mention obsolete ports.
620
621 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
622
623         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
624         soft frame pointer.
625         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
626         of frame_pointer_rtx.
627         (sh_expand_epilogue): Likewise.
628         (sh_set_return_address): Likewise.
629         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
630         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
631         offsets from FRAME_POINTER_REGNUM.
632         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
633         (sh_register_names): Add initializer for sfp.
634         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
635         (VALID_REGISTER_P): Likewise.
636         (FIRST_PSEUDO_REGISTER): Update.
637         (DWARF_FRAME_REGISTERS): Define.
638         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
639         (HARD_FRAME_POINTER_REGNUM): Define.
640         (FRAME_POINTER_REGNUM): Redefine.
641         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
642         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
643         from FRAME_POINTER_REGNUM.
644         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
645         FRAME_POINTER_REGNUM.
646         (REG_CLASS_CONTENTS): Add sfp.
647         (REG_ALLOC_ORDER): Likewise.
648         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
649         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
650         of frame_pointer_rtx.
651         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
652
653 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
654
655         * fold-const.c (tree_expr_nonnegative_p): Only return true for
656         ABS_EXPR when flag_wrapv is false because of INT_MIN.
657         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
658         of an ABS_EXPR.
659         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
660         ABS_EXPR<x>.
661
662 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
663
664         Make CONSTRUCTOR use VEC to store initializers.
665         * c-common.c (complete_array_type): Update to cope with VEC in
666         CONSTRUCTOR_ELTS.
667         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
668         (pp_c_constructor_elts): New function.
669         * c-pretty-print.h (pp_c_constructor_elts): Declare.
670         * c-typeck.c (build_function_call, build_c_cast, digest_init,
671         struct constructor_stack, struct initializer_stack,
672         constructor_elements, push_init_level, pop_init_level,
673         add_pending_init, find_init_member, output_init_element): Update to
674         cope with VEC in CONSTRUCTOR_ELTS.
675         * coverage.c (build_fn_info_value, build_ctr_info_value,
676         build_gcov_info): Likewise.
677         * expr.c (categorize_ctor_elements_1, store_constructor,
678         expand_expr_real_1): Likewise.
679         * fold-const.c (fold_ternary): Likewise.
680         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
681         gimplify_init_constructor, gimplify_expr): Likewise.
682         * tree-dump.c (dequeue_and_dump): Likewise.
683         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
684         node.
685         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
686         CONSTRUCTOR_ELTS.
687         * tree-sra.c (generate_element_init_1): Likewise.
688         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
689         * tree-ssa-operands.c (get_expr_operands): Likewise.
690         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
691         * tree-vect-transform.c (vect_get_vec_def_for_operand):
692         (get_initial_def_for_reduction): Likewise.
693         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
694         value handle in annotations.
695         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
696         tree_node_structure): Add support for constr_kind.
697         (build_vector_from_ctor, build_constructor_single,
698         build_constructor_from_list): New functions.
699         (build_constructor): Update to take a VEC instead of a TREE_LIST.
700         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
701         Update to cope with VEC in CONSTRUCTOR_ELTS.
702         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
703         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
704         CONSTRUCTOR_APPEND_ELT): New macros.
705         (struct constructor_elt, struct tree_constructor): New data types.
706         (union tree_node): Add tree_constructor field.
707         * treestruct.def: Define TS_CONSTRUCTOR.
708         * varasm.c (const_hash_1, compare_constant, copy_constant,
709         compute_reloc_for_constant, output_addressed_constants,
710         initializer_constant_valid_p, output_constant,
711         array_size_for_constructor, output_constructor): Update to cope with
712         VEC in CONSTRUCTOR_ELTS.
713         * vec.h (VEC_empty, VEC_copy): New macros.
714
715 2005-07-19  Devang Patel  <dpatel@apple.com>
716
717         * dbxout.c (dbxout_type): Check Objective-C++ lang.
718         
719 2005-07-19  Richard Henderson  <rth@redhat.com>
720
721         PR tree-opt/22278
722         * gimplify.c (gimplify_expr): Use main variant type for the temp
723         destination for a discarded volatile read.
724         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
725         casts between non-void types that change volatility.
726
727 2005-07-15  DJ Delorie  <dj@redhat.com>
728
729         * toplev.h: Add comment about the first parameter for warning().
730         * errors.h: Likewise.
731
732         * c.opt (Wpragmas): New.
733         * doc/invoke.texi: Document it.
734         
735         * function.c (do_warn_unused_parameter): Add warning control to
736         warning call.
737         * c-decl.c (warn_if_shadowing): Likewise.
738         * c-lex.c (cb_def_pragma): Likewise.
739         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
740         (pop_alignment): Likewise.
741         (handle_pragma_pack): Likewise.
742         (apply_pragma_weak): Likewise.
743         (handle_pragma_weak): Likewise.
744         (handle_pragma_redefine_extname): Likewise.
745         (add_to_renaming_pragma_list): Likewise.
746         (handle_pragma_extern_prefix): Likewise.
747         (maybe_apply_renaming_pragma): Likewise.
748         (handle_pragma_visibility): Likewise.
749         
750         * config/c4x/c4x-c.c (BAD): Likewise.
751         (c4x_parse_pragma): Likewise.
752         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
753         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
754         (rs6000_pragma_longcall): Likewise.
755         * config/v850/v850-c.c (pop_data_area): Likewise.
756         (ghs_pragma_section): Likewise.
757         (ghs_pragma_section): Likewise.
758         (ghs_pragma_interrupt): Likewise.
759         (ghs_pragma_starttda): Likewise.
760         (ghs_pragma_startsda): Likewise.
761         (ghs_pragma_startzda): Likewise.
762         (ghs_pragma_endtda): Likewise.
763         (ghs_pragma_endsda): Likewise.
764         (ghs_pragma_endzda): Likewise.
765
766 2005-07-19  Danny Berlin <dberlin@dberlin.org>
767             Kenneth Zadeck <zadeck@naturalbridge.com>
768
769         * Makefile.in: Removed tree-promote-statics.c
770         * tree-promote-statics.c: Removed.
771         * common.opt: Removed flag-promote-statics.
772         * opts.c: Ditto.
773         * passes.c: Removed tree-promote-statics pass. 
774         * tree-pass.h: Ditto.
775         * timevar.def: Removed TV_PROMOTE_STATICS.
776
777
778 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
779
780         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
781         and *-*-freebsd9.
782         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
783         
784 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
785
786         PR c/22476
787         * c-common.c (check_function_arguments): Call
788         'check_function_format' if either -Wformat or
789         -Wmissing-format-attribute are specified.
790         * c-format.c (check_function_format): Check -Wformat before
791         calling 'check_format_info'.
792         * c-opts.c (c_common_post_options): Don't warn for
793         -Wmissing-format-attribute without -Wformat.
794         * c-typeck.c (convert_for_assignment): Detect additional cases for
795         -Wmissing-format-attribute.
796         * doc/invoke.texi (-Wmissing-format-attribute): Document new
797         behavior.
798
799 2005-07-19  Richard Guenther  <rguenther@suse.de>
800
801         * config/i386/i386.md (lrint<mode>2): Use temporary
802         instead of clobbering non-existent memory.
803
804 2005-07-19  Nick Clifton  <nickc@redhat.com>
805
806         * config/avr/avr.c (legitimate_address_p): Fix debugging print
807         statement to avoid displaying ASCII control characters.
808
809 2005-07-19  Ben Elliston  <bje@au.ibm.com>
810
811         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
812         * cfganal.c (find_edge_index): Ditto.
813         * combine.c (combine_instructions): Ditto.
814         * ddg.c (create_scc): Ditto.
815         (find_successors): Ditto.
816         (find_predecessors): Ditto.
817         (find_nodes_on_paths): Ditto.
818         (longest_simple_path): Ditto.
819         * flow.c (update_life_info): Ditto.
820         (count_or_remove_death_notes): Ditto.
821         (clear_log_links): Ditto.
822         * modulo-sched.c (generate_reg_moves): Ditto.
823         (find_max_asap): Ditto.
824         (find_max_hv_min_mob): Ditto.
825         (find_max_dv_min_mob): Ditto.
826         * sbitmap.c (sbitmap_first_set_bit): Ditto.
827         * sched-rgn.c (extract_edgelst): Ditto.
828         * tree-into-ssa.c (prepare_names_to_update): Ditto.
829         (dump_update_ssa): Ditto.
830         (ssa_names_to_replace) Ditto.
831         (switch_virtuals_to_full_rewrite): Ditto.
832         (update_ssa): Ditto.
833         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
834
835 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
836
837         Fix PR tree-optimization/22483
838         
839         * tree-complex.c (create_components): Use
840         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
841         * tree-flow-inline.h (fill_referenced_var_vec): New function.
842         * tree-flow.h (safe_referenced_var_iterator): New structure.
843         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
844         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
845         safe_referenced_var iterator.
846         (add_type_alias): Ditto.
847
848 2005-07-19  Steven Bosscher  <stevenb@suse.de>
849
850         * loop-init.c (rest_of_handle_loop2): Remove.
851         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
852         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
853         (pass_rtl_loop_init, pass_rtl_loop_done,
854         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
855         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
856         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
857         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
858         pass_tree_loop_done, and pass_tree_unswitch.
859         (gate_loop): Rename to gate_tree_loop.
860         * passes.c (init_optimization_passes): Update for renamed tree
861         loop passes.  Add the new loop2 passes as subpasses of loop2.
862         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
863         Update for the renamed tree loop passes.
864
865 2005-07-18  Ian Lance Taylor  <ian@airs.com>
866
867         PR middle-end/22057
868         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
869         blocks when optimizing.
870
871 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
872
873         * common.opt (frename-registers): Initialize to 2.
874         (fweb): Ditto.
875         (fgcse-after-reload): Ditto.
876         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
877         (process_options): Only change flag_web, flag_rename_registers,
878         and flag_rerun_cse_after_loop if not explicitly set by user.
879
880 2005-07-18  Jan Beulich  <jbeulich@novell.com>
881
882         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
883         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
884         in 64-bit mode the same as DImode in 32-bit mode.
885         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
886         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
887         mode. Add new mode parameter. 
888         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
889         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
890         x86_64_shift_adj): New expanders.
891         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
892         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
893         insns.
894         Respective new splitters. Use renamed shift splitter helpers in 32-bit
895         DImode shift splitters.
896         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
897         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
898         mode parameter.
899
900 2005-07-18  Jan Beulich  <jbeulich@novell.com>
901
902         * i386.md (movdi_extzv_1): New.
903         (zero_extendhidi2): Combine alternatives and never force use of
904         REX64 prefix.
905         (zero_extendqidi2): Likewise. Don't restrict input selection.
906
907 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
908
909         Fix PR tree-optimization/22531
910         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
911          moment.
912
913 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
914
915         * tree-promote-statics.c (pass_promote_statics): Change dump file
916          name.
917
918 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
919
920         * tree-optimize.c (init_tree_optimization_passes): Add
921         pass_eliminate_useless_stores pass.
922         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
923         * tree-ssa-pre.c (is_copy_stmt): New function.
924         (follow_copies_till_vuse): Ditto.
925         (do_eustores): Ditto.
926         (gate_eustores): Ditto. 
927         
928 2005-07-16  Richard Henderson  <rth@redhat.com>
929
930         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
931
932 2005-07-16 Danny Berlin <dberlin@dberlin.org>
933            Kenneth Zadeck <zadeck@naturalbridge.com>
934
935         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
936         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
937         ipa-type-escape.h, tree-promote-statics.c
938         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
939         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h, 
940         tree-promote-statics.c: new files.
941         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
942         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
943         int nonlocal_set_p, mark_constant_function): Deleted.
944         (rest_of_handle_cfg): Removed call to mark_constant_function. 
945         (nonoverlapping_component_refs_p): Added calls to support
946         type based aliasing.    
947         * tree-ssa-alias.c (may_alias_p,
948         compute_flow_insensitive_aliasing): Ditto.
949         * calls.c (flags_from_decl_or_type): Removed reference to
950         cgraph_rtl_info. 
951         * c-typeck.c (convert_arguments): Make builtins tolerant of having
952         too many arguments.  This is necessary for Spec 2000.
953         * cgraph.h (const_function, pure_function): Removed.
954         * common.opt: Added "fipa-pure-const", "fipa-reference",  
955         "fipa-type-escape", and "ftree-promote-static".
956         * opts.c: Ditto.
957         * passes.c: Added ipa and tree-promote-statics passes. 
958         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
959         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
960         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
961         * tree-flow.h: Added exposed sra calls and addition of 
962         reference_vars_info field for FUNCTION_DECLS.
963         * tree-pass.h: Added passes.
964         * tree-sra.c: (sra_init_cache): New function.
965         (sra_insert_before, sra_insert_after) Made public.
966         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
967         and made public.
968         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
969         aliasing. (may_alias_p): Added code to use type escape analysis to
970         improve alias sets.
971         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
972         code to prune clobbers of static variables based on information
973         produced in ipa-reference pass.  Changed call clobbering so that
974         statics are not marked as clobbered if the call does not clobber
975         them.
976
977 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
978
979         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
980         too.
981
982 2005-07-16  Eric Botcazou <ebotcazou@libertysurf.fr>
983
984         * doc/install.texi (*-*-solaris2*): Document recommended version
985         of GNU binutils and mention GNU linker problem on Solaris 10.
986
987 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
988
989         PR c/22421
990         * c-decl.c (c_build_bitfield_integer_type): New function.
991         (finish_struct): Call it.
992         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
993
994 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
995
996         * c-typeck.c (digest_init): Call 'convert_for_assignment'
997         before returning.
998
999 2005-07-16  Jan Hubicka  <jh@suse.cz>
1000
1001         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
1002         (scale_bbs_frequencies_int): Watch roundoff errors.
1003         * predict.c (return_prediction): Initialize return_stmt.
1004
1005 2005-07-16  Jan Hubicka  <jh@suse.cz>
1006
1007         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
1008         after RTL profiling.
1009
1010 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
1011
1012         PR middle-end/22398
1013         * fold-const.c (build_range_check): Convert high/low to etype
1014         if we are only comparing against exp.
1015
1016 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
1017
1018         Fix PR tree-optimization/22376
1019         * tree-ssa-structalias.c (build_constraint_graph): We really meant
1020         special var here.
1021         (need_to_solve): New function.
1022         (compute_points_to_sets): Use it.
1023         
1024 2005-07-15  Jan Hubicka  <jh@suse.cz>
1025
1026         * cfg.c (update_bb_profile_for_threading): More diagnostic.
1027         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
1028
1029 2005-07-15  Richard Guenther  <rguenther@suse.de>
1030
1031         * c-common.c (handle_flatten_attribute): New function.
1032         Add flatten function attribute.
1033         * doc/extend.texi: Document flatten function attribute.
1034         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
1035         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
1036         New functions.
1037         (cgraph_decide_inlining): Handle functions with flatten
1038         attribute.
1039
1040 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
1041
1042         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
1043         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
1044         UNSPEC_XCHG, UNSPEC_AND): New.
1045         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
1046         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
1047         * config/rs6000/sync.md (FETCHOP): New code macro.
1048         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
1049         New code attrs.
1050         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
1051         (sync_compare_and_swap<mode>): Same.
1052         (sync_lock_test_and_set<mode>): Same.
1053         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
1054         for QImode and HImode, and not PPC405.
1055         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
1056         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
1057         (sync_<fetchop>{si,di}_internal): New.
1058         (sync_nand{si,di}_internal): New.
1059         (sync_old_<fetchop>{si,di}_internal): New.
1060         (sync_old_nand{si,di}_internal): New
1061         (sync_new_<fetchop>{si,di}_internal): New.
1062         (sync_new_nand{si,di}_internal): New.
1063         (atomic_and{si,di}): New.
1064         (sync_new_nand{si,di}_internal): New.
1065         (atomic_and{si,di}): New.
1066         (sync_add<mode>_internal): Delete.
1067         (sync_addshort_internal): Use unspec instead of unspec_volatile.
1068         (sync_sub<mode>_internal): Delte.
1069         (sync_subshort_internal): New.
1070         (sync_andsi_internal): Use unspec instead of unspec_volatile.
1071         (sync_anddi_internal): Delete.
1072         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
1073         (sync_booldi_internal): Delete.
1074         (sync_boolc<mode>_internal): Delete.
1075         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
1076         (sync_boolc<mode>_internal2): Delete.
1077         (sync_boolcc<mode>_internal): Delete.
1078         (isync, lwsync): Use unspec instead of unspec_volatile.
1079         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
1080         Revert UNSPEC_VOLATILE.
1081         (rs6000_split_atomic_op): New.
1082         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
1083
1084 2005-07-14  Eric Christopher  <echristo@redhat.com>
1085
1086         * config/mips/mips.c (mips_canonicalize_comparison): Cast
1087         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
1088
1089 2005-07-14  Eric Christopher  <echristo@redhat.com>
1090
1091         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
1092
1093 2005-07-14  Steven Bosscher  <stevenb@suse.de>
1094
1095         PR tree-optimization/22230
1096         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
1097         the computation of the four cross productions for "range op range".
1098
1099 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
1100             Ulrich Weigand  <uweigand@de.ibm.com>
1101
1102         PR target/20126
1103         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
1104         in some insn.
1105
1106 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
1107
1108         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
1109
1110 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
1111
1112         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
1113
1114 2005-07-14  Richard Guenther  <rguenther@suse.de>
1115
1116         PR middle-end/22347
1117         * config/i386/i386-protos.h (ix86_function_value): Change
1118         prototype to match new target hook.
1119         * config/i386/i386.c (ix86_value_regno): Change prototype
1120         to take extra type argument.
1121         (TARGET_FUNCTION_VALUE): Define.
1122         (ix86_function_ok_for_sibcall): Pass extra argument to
1123         ix86_value_regno, check return slot rtx for exact match.
1124         (ix86_function_value): Take extra parameter.  Dispatch to
1125         ix86_value_regno with fndecl/fntype as provided.
1126         (ix86_value_regno): Handle extra type argument.
1127         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
1128
1129         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
1130         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
1131         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
1132         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
1133         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
1134
1135 2005-07-14  Richard Guenther  <rguenther@suse.de>
1136
1137         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
1138         * calls.c (expand_call): Pass fntype to hard_function_value.
1139         (emit_library_call_value_1): Likewise.
1140         * explow.c: Include target.h.
1141         (hard_function_value): Take extra argument, the fntype.
1142         Use new target hook for function_value.
1143         * expr.h (hard_function_value): Change prototype.
1144         * function.c (aggregate_value_p): Pass 0 as fntype to
1145         hard_function_value.
1146         (assign_parms): Use new target hook for function_value.
1147         Pass 0 as fntype to hard_function_value.
1148         (expand_function_end): Likewise.
1149         * reg-stack.c: Include target.h.
1150         (stack_result): Use new target hook for function_value.
1151         * target-def.h: New target hook function_value.
1152         * target.h: Likewise.
1153         * targhooks.c (default_function_value): New function.
1154         * targhooks.h (default_function_value): Declare.
1155
1156 2005-07-13  Ian Lance Taylor  <ian@airs.com>
1157
1158         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
1159
1160 2005-07-14  Jan Hubicka  <jh@suse.cz>
1161
1162         * tree-dfa.c (dump_variable): Use default_def function.
1163         * tree-ssa-alias.c (dump_points_to_info): Likewise.
1164         * tree-ssa.c (verify_use): Likewise.
1165         * tree-ssanames.c (release_ssa_name): Likewise.
1166         * tree-tailcall.c (eliminate_tail_call): Likewise.
1167         (tree_optimize_tail_calls_1): Likewise.
1168         * tree-vrp.c (get_value_range): Likewise.
1169
1170 2005-07-14  Ben Elliston  <bje@au.ibm.com>
1171
1172         * gcc.c (main): Compare language[0] with '*' when iterating over
1173         the infiles.
1174
1175 2005-07-13  Adrian StraeĀ½tling  <straetling@de.ibm.com>
1176
1177         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
1178         "s390_emit_compare".  Add handling of CCZ1mode.
1179         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
1180         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
1181         checking.
1182         (s390_branch_condition_mask): Add CCZ1mode handling.
1183         * config/s390/s390.md: ("seq", "*seq"): New pattern.
1184         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
1185         Use CCZ1mode instead of CCZmode.
1186         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
1187
1188 2006-07-13  Adrian StraeĀ½tling  <straetling@de.ibm.com>
1189
1190         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
1191         pattern.
1192         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
1193
1194 2005-07-13  Eric Christopher  <echristo@redhat.com>
1195
1196         * config/mips/mips.c (mips_canonicalize_comparison): New.
1197         (mips_emit_int_relational): Use.
1198
1199 2005-07-13  Eric Christopher  <echristo@redhat.com>
1200
1201         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
1202         static extra parts.
1203         * config/s390/s390.md: Include tpf.md. Move tpf specific
1204         patterns...
1205         * config/s390/tpf.md: To here.
1206         * config/s390/s390.opt: Move tpf specific options...
1207         * config/s390/tpf.opt: to here. Add mmain option.
1208         * config/s390/tpf-unwind.h: Remove unnecessary defines.
1209         * config/s390/tpf.h: Rewrite.
1210
1211 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
1212
1213         * doc/tm.texi: Remove @xref{Cross-profiling}.
1214
1215 2005-07-13  Jeff Law  <law@redhat.com>
1216
1217         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
1218         expressions, test their _DECL operands for pointer equality rather
1219         than using operand_equal_p.
1220
1221 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
1222
1223         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
1224         (TARGET_POSIX_IO): This.
1225         * config/darwin.h: Likewise.
1226         * config/freebsd.h: Likewise.
1227         * config/linux.h: Likewise.
1228         * config/lynx.h: Likewise.
1229         * config/netbsd.h: Likewise.
1230         * config/rs6000/linux64.h: Likewise.
1231         * config/rs6000/linux.h: Likewise.
1232         * config/s390/tpf.h: Likewise.
1233         * config/sh/embed-elf.h: Likewise.
1234         * config/sparc/linux64.h: Likewise.
1235         * config/sparc/linux.h: Likewise.
1236         * config/svr4.h: Likewise.
1237         * gcov-io.h: Likewise.
1238
1239         * doc/tm.texi: Updated.
1240
1241         * libgcov.c (create_file_directory): Defined only if
1242         TARGET_POSIX_IO is defined.
1243         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
1244         is defined.
1245
1246 2005-07-13  Jan Hubicka  <jh@suse.cz>
1247
1248         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
1249
1250 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
1251
1252         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
1253         structure as argument.
1254
1255 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
1256
1257         PR tree-optimization/21921
1258         * tree-iterator.c (tsi_link_before): Support the case when
1259         tsi_end_p (tsi) == true.
1260
1261 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
1262
1263         PR tree-optimization/22442
1264         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
1265         correctly.
1266
1267 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
1268
1269         PR rtl-optimization/20376
1270         * toplev.c (process_options): Enable -fweb and -frename-registers when
1271         unrolling.
1272         * doc/invoke.texi: Update the information about when -fweb and
1273         -frename-registers are enabled.
1274
1275 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
1276
1277         PR tree-opt/21840
1278         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
1279         if *rhs_p is not a SSA_NAME.
1280
1281 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
1282         
1283         Fix PR tree-optimization/22422 
1284         * tree-ssa-structalias.c (struct variable_info): Add flag for
1285         special vars.
1286         (get_varinfo): Now a static function.
1287         (new_varinfo): init has_union and is_special_var to false.
1288         (solution_set_add): Check has_union.
1289         (do_da_constraint): Move temporary variable so it gets reset
1290         properly.
1291         Also check for special variable.
1292         (do_ds_constraint): Ditto.
1293         (do_sd_constraint): Ditto.
1294         (do_structure_copy): Check for special variable.
1295         (find_func_aliases): Ditto.
1296         (init_base_vars): Set special vars properly.    
1297
1298 2005-07-13  Jan Hubicka  <jh@suse.cz>
1299
1300         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
1301         do unit-at-a-time.
1302
1303         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
1304         (get_expr_operands): Fix thinko wrt flags and subvars.
1305
1306         PR tree-optimize/22379
1307         * tree-inline.c (expand_call_inline): Do not output sorry in early
1308         inlining.
1309
1310 2005-07-12  Dale Johannesen  <dalej@apple.com>
1311
1312         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
1313
1314 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
1315
1316         PR bootstrap/21704
1317         * host-linux.h: Include limits.h.
1318
1319 2005-07-12  Dale Johannesen  <dalej@apple.com>
1320
1321         * expr.c (compress_float_constant):  Add cost check.
1322         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
1323
1324 2005-07-12  Dale Johannesen  <dalej@apple.com>
1325
1326         * gcc.target/i386/compress-float-sse.c:  New.
1327         * gcc.target/i386/compress-float-sse-pic.c:  New.
1328         * gcc.target/i386/compress-float-387.c:  New.
1329         * gcc.target/i386/compress-float-387-pic.c:  New.
1330         * gcc.dg/compress-float-ppc.c:  New.
1331         * gcc.dg/compress-float-ppc-pic.c:  New.
1332
1333 2005-07-12  Eric Christopher  <echristo@redhat.com>
1334
1335         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
1336         static extra parts.
1337         * config/s390/s390.md: Include tpf.md. Move tpf specific
1338         patterns...
1339         * config/s390/tpf.md: To here.
1340         * config/s390/s390.opt: Move tpf specific options...
1341         * config/s390/tpf.opt: to here. Add mmain option.
1342         * config/s390/tpf-unwind.h: Remove unnecessary defines.
1343         * config/s390/tpf.h: Rewrite.
1344
1345 2005-07-12  Eric Christopher  <echristo@redhat.com>
1346
1347         * gcc.c (struct infile): Update comment for language.
1348         (main): Rewrite input file resetting code.
1349
1350 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
1351
1352         PR tree-opt/22335
1353         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
1354         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
1355         (lookup_avail_expr): Use constant_boolean_node instead
1356         of boolean_false_node/boolean_true_node.
1357
1358 2005-07-12  Ben Elliston  <bje@au.ibm.com>
1359
1360         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
1361         and use it when printing num_edges.
1362
1363 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1364
1365         * doc/extend.texi (Blackfin Built-in Functions): New section.
1366         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
1367         @opindex.
1368
1369 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
1370
1371         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
1372         s/cmpstrsi/cmpstrnsi
1373         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
1374         'cmpstrnsi'.
1375         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
1376         (init_optabs): Initialize cmpstrn_optab.
1377         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
1378         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
1379         * expr.c: (enum insn_code cmpstrn_optab): Declare.
1380         * config/i386/i386.md: s/cmpstr/cmpstrn
1381         * config/c4x/c4x.md: s/cmpstr/cmpstrn
1382         * doc/md.texi: Update documentation.
1383
1384 2005-07-11  Richard Henderson  <rth@redhat.com>
1385
1386         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
1387         build_va_arg_indirect_ref.
1388         (alpha_gimplify_va_arg): Likewise.
1389         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1390         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
1391         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
1392         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1393         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
1394         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
1395         Likewise.
1396         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
1397
1398 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
1399
1400         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
1401         * passes.c (init_optimization_passes): Add pass_empty_loop.
1402         * tree-pass.h (pass_empty_loop): Declare.
1403         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
1404         try_remove_empty_loop, remove_empty_loops): New functions.
1405         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
1406         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
1407
1408 2005-07-12  Peter Barada  <peter@the-baradas.com>
1409
1410         PR middle-end/16719
1411         PR middle-end/18421
1412         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
1413         in address registers.
1414         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
1415         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
1416         alternative of addsi3_5200.
1417
1418 2005-07-11  Ian Lance Taylor  <ian@airs.com>
1419
1420         * config/mips/mips.md (ffs<mode>2): Remove.
1421
1422 2005-07-11  Ian Lance Taylor  <ian@airs.com>
1423
1424         * doc/tree-ssa.texi (Cleanups): Improve description of
1425         TRY_FINALLY_EXPR.
1426         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
1427
1428 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
1429         
1430         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
1431         * tree.h (DECL_ARGUMENT_FLD): New macro.
1432
1433 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
1434         
1435         Fix PR tree-optimization/22404
1436
1437         * tree-ssa-structalias.c (create_variable_info_for): Use
1438         correct offset.
1439
1440 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1441
1442         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
1443         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
1444         for second comparison operand.
1445         * config/bfin/predicates.md (reg_or_const_int_operand): New.
1446
1447         * config/bfin/bfin.md (define_attr "type"): Add "sync".
1448         (define_insn_reservation "alu"): Likewise.
1449         (csync, ssync): Now of type sync.
1450         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
1451         -mcsync-anomaly -mspecld-anomaly.
1452         * config/bfin/bfin.opt (mcsync): Remove.
1453         (mcsync-anomaly, mspecld-anomaly): Add.
1454         * config/bfin/bfin.c: Include "insn-codes.h".
1455         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
1456         (TARGET_DEFAULT_TARGET_FLAGS): New.
1457         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
1458
1459 2005-07-11  Steven Bosscher  <stevenb@suse.de>
1460
1461         * basic-block.h: Give the BB flags enum a name, bb_flags.
1462         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
1463         * cfgcleanup.c (enum bb_flags): Remove here.
1464         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
1465         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
1466         (update_forwarder_flag): Likewise.
1467         (thread_jump): Likewise.
1468         (try_forward_edges): Likewise.
1469         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
1470         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
1471         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
1472
1473 2005-07-11  Richard Guenther  <rguenther@suse.de>
1474
1475         * config/i386/i386.opt: New target option -msseregparm.
1476         * config/i386/i386.c (override_options): Error out for
1477         -msseregparm but no SSE support.
1478         (ix86_function_sseregparm): Check for global sseregparm.
1479         * doc/invoke.texi: Document -msseregparm.
1480
1481 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1482
1483         * config.gcc (m32r-*-linux*): Use the default extra_parts.
1484         (m32rle-*-linux*): Ditto.
1485
1486 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
1487
1488         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
1489         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
1490         bytes.
1491
1492 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1493
1494         PR middle-end/22239
1495         PR target/20126
1496         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
1497         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
1498
1499 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
1500
1501         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
1502         (varmap): Heapify varmap.
1503         (constraints): Heapify constraints.
1504         (struct constraint_graph): Heapify succs and preds.
1505         (constraint_vec_find): Update for heapification.
1506         (constraint_set_union): Ditto.
1507         (insert_into_complex): Ditto.
1508         (constraint_edge_vec_find): Ditto.
1509         (erase_graph_self_edge): Ditto.
1510         (add_graph_edge): Ditto.
1511         (get_graph_weights): Ditto.
1512         (merge_graph_nodes): Ditto.
1513         (build_constraint_graph): Ditto.
1514         (topo_visit): Ditto.
1515         (solve_graph): Ditto.
1516         (create_variable_info_for): Ditto.
1517         (init_base_vars): Ditto.
1518         (delete_points_to_sets): Free graph, varmap, and complex constraints.
1519         (condese_varmap_nodes): Free complex vector.
1520         (clear_edges_for_node): Clear succs and preds vector.
1521
1522 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
1523
1524         * tree-ssa-structalias.c (update_alias_info): Change counting of
1525         references to not include vdefs.
1526         
1527 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
1528
1529         * tree-ssa-alias.c (free_used_part_map): Add missing free.
1530         (up_insert): Ditto.
1531
1532 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1533
1534         * pa.c (pa_commutative_p): Make PLUS commutative when
1535         TARGET_NO_SPACE_REGS is true.
1536
1537 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
1538
1539         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
1540         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
1541         * tree-dfa.c (dump_subvars_for): New.
1542         (debug_subvars_for): New.
1543         (dump_variable): Show subvariables if VAR has them.
1544         * tree-flow-inline.h (get_subvar_at): New.
1545         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
1546         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
1547         Update all users.
1548         (struct subvar): Change fields offset and size to unsigned
1549         HOST_WIDE_INT.
1550         (dump_subvars_for): Declare.
1551         (debug_subvars_for): Declare.
1552         (get_subvar_at): Declare.
1553         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
1554         to unsigned HOST_WIDE_INT *.
1555         (overlap_subvar): Likewise.
1556         * tree-gimple.c (is_gimple_reg): Always return false for
1557         SFTs and memory tags.
1558         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
1559         Update all callers.
1560         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
1561         (compute_may_aliases): Call compute_points_to_sets.
1562         (collect_points_to_info_for): Remove.
1563         (compute_points_to_and_addr_escape): Remove.
1564         (delete_alias_info): Call delete_points_to_sets.
1565         (compute_flow_sensitive_aliasing): If the call to
1566         find_what_p_points_to returns false, call set_pt_anything.
1567         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
1568         (set_pt_anything): Clear pi->pt_vars.
1569         (set_pt_malloc): Remove.
1570         (merge_pointed_to_info): Remove.
1571         (add_pointed_to_expr): Remove.
1572         (add_pointed_to_var): Remove.
1573         (collect_points_to_info_r): Remove.
1574         (is_escape_site): Make extern.
1575         (create_sft): New.
1576         (create_overlap_variables_for): Call it.
1577         * tree-ssa-copy.c (merge_alias_info): Never merge
1578         flow-sensitive alias information.
1579         * tree-ssa-operands.c (get_expr_operands): Adjust variables
1580         offset and size to be unsigned HOST_WIDE_INT.
1581         (add_to_addressable_set): Rename from note_addressable.
1582         Set TREE_ADDRESSABLE as the variables are added to the set.
1583         Update all users.
1584         (add_stmt_operand): Do not try to micro-optimize unmodifiable
1585         operands into VUSEs when adding V_MAY_DEFs for members in an
1586         alias set.
1587         * tree-ssa-operands.h (add_to_addressable_set): Declare.
1588         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
1589         (struct variable_info): Add bitfield is_heap_var.
1590         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
1591         (new_var_info): Initialize is_heap_var.
1592         (get_constraint_for): Add HEAP variables to the symbol table.
1593         Mark them with is_heap_var.
1594         (update_alias_info): New.  Taken mostly from the old
1595         compute_points_to_and_addr_escape.
1596         (handle_ptr_arith): New.
1597         (find_func_aliases): Call update_alias_info.
1598         Call handle_ptr_info for tcc_binary expressions.
1599         Call mark_stmt_modified.
1600         (create_variable_info_for): If DECL has subvars, do not create
1601         variables for its subvars.  Always add all the fields.
1602         (set_uids_in_ptset): If the solution includes ANYOFFSET and
1603         SFTs, then add all the SFTs of the structure.
1604         If VI->DECL is an aggregate with subvariables, add the SFT at
1605         VI->OFFSET.
1606         (find_what_p_points_to): If VI is an artificial variable,
1607         translate to bitfields in SSA_NAME_PTR_INFO.
1608         If the solution is empty, set pi->pt_vars to NULL
1609         (init_base_vars): Create ANYOFFSET.
1610         (compute_points_to_sets): Rename from create_alias_vars.
1611         Make extern.
1612         (pass_build_pta): Remove.
1613         (delete_points_to_sets): Rename from delete_alias_vars.
1614         (pass_del_pta): Remove.
1615         * tree-ssa-structalias.h (struct alias_info): Move from
1616         tree-ssa-alias.h.
1617         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
1618         NUM_REFERENCES_SET): Likewise.
1619         (compute_points_to_sets, delete_points_to_sets): Declare.
1620
1621 2005-07-09  Richard Henderson  <rth@redhat.com>
1622
1623         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
1624         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
1625         alpha_split_lock_test_and_set_12): New functions.
1626         * config/alpha/alpha-protos.h: Update.
1627         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
1628         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
1629         * config/alpha/sync.md (I12MODE): New.
1630         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
1631         (sync_<fetchop_name><I48MODE>): Likewise.
1632         (sync_nand<I48MODE>): Likewise.
1633         (sync_old_<fetchop_name><I48MODE>): Likewise.
1634         (sync_new_<fetchop_name><I48MODE>): Likewise.
1635         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
1636         (sync_compare_and_swap<I48MODE>): Likewise.
1637         (sync_lock_test_and_set<I48MODE>): Likewise.
1638         (sync_compare_and_swap<I12MODE>): New.
1639         (sync_compare_and_swap<I12MODE>_1): New.
1640         (sync_lock_test_and_set<I12MODE>): New.
1641         (sync_lock_test_and_set<I12MODE>_1): New.
1642
1643 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
1644
1645         PR 21356
1646         PR 22332
1647         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
1648
1649 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
1650
1651         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
1652         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
1653
1654 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
1655
1656         PR target/21656
1657         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
1658
1659 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
1660
1661         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
1662         memory_operand constraint.
1663         (store_conditional_<mode>): Same.
1664         (sync_compare_and_swap<mode>): Same.
1665         (sync_lock_test_and_set<mode>): Same.
1666
1667 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
1668
1669         Rewrite PIC support to more closely model actual instructions.
1670         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
1671         (cris_symbol): Remove prototypes for removed functions.
1672         (cris_pic_symbol_type_of, cris_valid_pic_const)
1673         (cris_expand_pic_call_address): Prototypes for new functions.
1674         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
1675         variable.
1676         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
1677         modifiers.
1678         <case ':'>: Add case for new punctuation character.
1679         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
1680         emitting (extra) PIC modifier.
1681         <case UNSPEC>: Do not assert for PLT.
1682         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
1683         (cris_expand_prologue, cris_expand_epilogue): Check
1684         for pic_offset_table_rtx usage instead of taking
1685         current_function_uses_pic_offset_table as the final word.
1686         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
1687         Remove flag_pic difference.
1688         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
1689         the moral equivalents of...
1690         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
1691         functions.
1692         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
1693         (cris_handle_option): Mark ARG as unused.
1694         (cris_expand_pic_call_address): New worker function for "call",
1695         "call_value".
1696         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
1697         output PIC constructs here.
1698         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
1699         as symbol-specific modifers, not whole or part of operands.
1700         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
1701         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
1702         constants and flag_pic.
1703         (CONSTANT_INDEX_P): Adjust for new functions.
1704         (enum cris_pic_symbol_type): New helper type.
1705         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
1706         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
1707         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
1708         define_constants.
1709         ("movsi"): Emit actual instructions for GOT and relative access.
1710         ("*movsi_got_load"): New pattern to set up the register holding
1711         the GOT pointer.
1712         ("*movsi_internal"): Operand 1 is not a plain general_operand.
1713         Adjust FIXME for 'S'.
1714         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
1715         Use "movs" for -fpic cases.
1716         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
1717         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
1718         ("call", "call_value"): Just call cris_expand_pic_call_address for
1719         PIC addresses.
1720         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
1721         Remove special pattern.
1722         ("*expanded_call_side", "*expanded_call_value_side"): New
1723         patterns.
1724         (gotplt-to-plt, gotplt-to-plt-side-call)
1725         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
1726         peephole2:s.
1727         * config/cris/cris/predicates.md
1728         ("cris_general_operand_or_gotless_symbol"): Remove unused
1729         predicate.
1730         ("cris_general_operand_or_symbol"): Adjust for new functions.
1731
1732 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
1733
1734         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
1735
1736 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
1737
1738         * Makefile.in (TREE_H): Add treestruct.def.
1739         (c-decl.o): Add pointer-set.h
1740         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
1741         visibility on regular DECL's.
1742         (merge_decls): Fix the copying of decl nodes of various types for
1743         the new structures.  Don't update RTL, section name, weak status,
1744         etc, on DECL's without RTL.     
1745         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
1746         Don't check volatile on non-variable types.
1747         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
1748         to check whether we have seen arguments.
1749         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
1750         flag is checked before field (flag is common, field is not).    
1751         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
1752         TS_DECL_COMMON could have an origin.
1753         (add_location_or_const_value_attribute): Don't check section name
1754         on non-var/function decls.
1755         (dwarf2out_var_location): Reverse order of tests.
1756         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
1757         with DECL_WRTL_CHECK.
1758         * expmed.c (make_tree): rtl is now in decl_with_rtl.
1759         * fold-const.c (fold_binary): Don't check weakness on
1760         non-var/function decls.
1761         (tree_expr_nonzero_p): Ditto.
1762         (fold_checksum_tree): Use tree_decl_extra as sizeof
1763         buffer.
1764         * ggc-page.c (extra_order_size_table): Add sizes for
1765         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
1766         tree_field_decl.
1767         * gimplify.c (gimplify_bind_expr): Only set
1768         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
1769         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
1770         without RTL.
1771         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
1772         * langhooks.h (init_ts). New langhook.
1773         * passes.c (rest_of_decl_compilation): Reverse order of tests.
1774         * print-tree.c (print_node): Update to only print fields that
1775         exist in the structures the passed decl has.
1776         * toplev.c (wrapup_global_declarations): Don't reset
1777         DECL_DEFER_OUTPUT on DECL's that don't contain it.
1778         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
1779         * tree-inline.c (remap_decl): Ditto.
1780         * tree-outof-ssa.c (create_temp): Reverse order of tests.
1781         * tree-pretty-print.c (print_declaration): Don't print
1782         DECL_REGISTER on things that don't contain it.
1783         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
1784         non-var/function decls.
1785         * tree.c (tree_contains_struct): New structure.
1786         (init_priority_for_decl): New hashtable.
1787         (tree_int_map): New structure.
1788         (tree_int_map_eq): New function.
1789         (tree_int_map_marked_p): Ditto.
1790         (tree_int_map_hash): Ditto.
1791         (tree_map): Move to tree.h.
1792         (tree_map_eq): Externalize.
1793         (tree_map_hash): Ditto.
1794         (tree_map_marked_p): Ditto.
1795         (init_ttree): Set up tree_contains_struct and call langhook.
1796         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
1797         (tree_code_size): Update for new structures.
1798         (tree_node_structure): Update for new structures.
1799         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
1800         without the field.
1801         (copy_node_stat):  Copy init priority.
1802         (build_decl_stat): Ditto for visibility.
1803         (ts_enum_names): New.
1804         (tree_contains_struct_check_failed): New function.
1805         (decl_init_priority_lookup): Ditto.
1806         (decl_init_priority_insert): Ditto.
1807         * treestruct.def: New file.
1808         * tree.h (CODE_CONTAINS_STRUCT): New macro.
1809         (CONTAINS_STRUCT_CHECK): Ditto.
1810         (tree_contains_struct_check_failed): New prototype.
1811         (DECL_CHECK): Removed.
1812         (DECL_MINIMAL_CHECK): New.
1813         (DECL_COMMON_CHECK): Ditto.
1814         (DECL_WRTL_CHECK): Ditto.
1815         (DECL_NON_COMMON_CHECK): Ditto.
1816         (DECL_WITH_VIS_CHECK): Ditto.
1817         (VAR_OR_FUNCTION_DECL_P): Ditto
1818         (struct tree_decl_minimal): New structure.
1819         (struct tree_decl_common): Ditto.
1820         (struct tree_decl_with_rtl): Ditto.
1821         (struct tree_decl_with_vis): Ditto.
1822         (struct tree_decl_non_common): Ditto.
1823         (struct tree_field_decl): Ditto.
1824         (struct tree_parm_decl): Ditto.
1825         (struct tree_var_decl): Ditto.
1826         (struct tree_function_decl): Ditto.
1827         (struct tree_const_decl): Ditto.
1828         (struct tree_result_decl): Ditto.
1829         (union tree_node): Add new structures.
1830         * var-tracking.c (track_expr_p): Reverse order of tests.
1831         
1832         * doc/c-tree.texi: Add documentation on DECL node internal structure.
1833
1834 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
1835
1836         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
1837         * system.h: Poison FINALIZE_PIC.
1838         * doc/tm.texi (FINALIZE_PIC): Remove.
1839
1840 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
1841
1842         PR tree-opt/22329
1843         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
1844         to the correct type if we have a MODIFY_EXPR.
1845
1846 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
1847
1848         PR tree-optimization/22360
1849         * tree.c (upper_bound_in_type): Fix calculations for casting
1850         to a non-wider signed type and casting a signed value to a
1851         wider unsigned type.
1852         (lower_bound_in_type): Fix calculations for casting to a
1853         non-wider signed type.
1854
1855         PR tree-optimization/20139
1856         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
1857         release_defs.
1858         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
1859         fold_cond_expr_cond.
1860         * tree-ssanames.c (release_defs): Assert in_ssa_p.
1861         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
1862
1863 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
1864
1865         PR tree-opt/22356
1866         * tree-complex.c (expand_complex_libcall): Produce
1867         REALPART_EXPR/IMAGPART_EXPR with the correct type.
1868
1869 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
1870
1871         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
1872         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
1873         b" assert and inserted fastpath code for this case.
1874         (bitmap_ior): Removed "a != b" assert.
1875
1876 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1877
1878         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
1879         (ENDFILE_SPEC): Likewise.
1880         * config/m32r/m32r.h (ASM_SPEC): Likewise.
1881
1882         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
1883         a large stack frame at epilogue.
1884
1885 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
1886
1887         * final.c: Include sdbout.h when required.
1888
1889 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
1890
1891         * config.gcc (*-*-darwin*): Only one target-specific header file
1892         for generic darwin.
1893         (powerpc-*-darwin*): Add version-specific header files.
1894         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
1895         * config.in: Regenerate.
1896         * configure: Regenerate.
1897         * gcc.c: Include xregex.h.
1898         (version_compare_spec_function): New.
1899         (spec_function): Add version-compare.
1900         (replace_outfile_spec_function): Reformat comment.
1901         (compare_version_strings): New.
1902         * config/darwin-c.c (version_as_macro): New.
1903         (builtin_define): New.
1904         (darwin_cpp_builtins): New.
1905         * config/darwin-protos.h (darwin_cpp_builtins): New.
1906         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
1907         (LIB_SPEC): Make unconditional, update comment.
1908         (TARGET_C99_FUNCTIONS): Define.
1909         * config/darwin.opt: Sort.
1910         (mmacosx-version-min=): New.
1911         * config/darwin7.h: Delete.
1912         * config/darwin8.h: Delete.
1913         * config/i386/darwin.h (): Call darwin_cpp_builtins.
1914         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
1915         (TARGET_C99_FUNCTIONS): Define.
1916         * config/rs6000/darwin7.h: New.
1917         * config/rs6000/darwin8.h: New.
1918         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
1919         (-mmacosx-version-min): Document.
1920
1921 2005-07-07  Ian Lance Taylor  <ian@airs.com>
1922
1923         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
1924
1925 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
1926
1927         PR middle-end/22239
1928         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
1929
1930 2005-07-07  Khem Raj  <kraj@mvista.com>
1931
1932         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
1933         in bytes, not words.
1934
1935 2005-07-07  Paul Brook  <paul@codesourcery.com>
1936
1937         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
1938         DEFAULT_FUNCTION_ARG_PADDING to upward.
1939
1940 2005-07-07  Richard Henderson  <rth@redhat.com>
1941
1942         * function.c (locate_and_pad_parm): Record parameter alignment in
1943         stack_alignment_needed.
1944
1945 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
1946
1947         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
1948         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
1949         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
1950         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
1951         (define_attr "type"): Add isync, sync, load_l, store_c.
1952         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
1953         Create scratch volatile MEM.
1954         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
1955         sync.
1956         (load_locked_<mode>): New.
1957         (store_conditional_<mode>): New.
1958         (sync_compare_and_swap<mode>): Replace with splitter.
1959         (sync_lock_test_and_set<mode>): Replace with splitter.
1960         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
1961         and UNSPECV_ISYNC.
1962         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
1963         is ics.  Attribute isync.
1964         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
1965         lwsync.
1966         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
1967         and UNSPECV_SYNC_OP.
1968         (emit_unlikely_jump): New.
1969         (emit_load_locked): New.
1970         (emit_store_conditional): New.
1971         (rs6000_split_compare_and_swap): New.
1972         (rs6000_split_lock_test_and_set): New.
1973         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
1974         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
1975         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
1976         rs6000_split_lock_test_and_set): Declare.
1977         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
1978         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
1979         store_c, isync, sync.
1980
1981 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
1982
1983         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
1984         filenames to gtyp-gen.h.
1985         (s-typ-gen): Use it in place of for loops.
1986
1987 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
1988
1989         * hooks.c (hook_bool_rtx_int_false): New function.
1990         * hooks.h (hook_bool_rtx_int_false): Declare.
1991         * target-def.h (TARGET_COMMUTATIVE_P): Define.
1992         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
1993         * target.h (struct gcc_target): Add commutative_p member.
1994         * targhooks.c (hook_bool_rtx_commutative_p): New function.
1995         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
1996         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
1997         (pa_commutative_p): New function.
1998         * jump.c (target.h): Include.
1999         (rtx_renumbered_equal_p): Use targetm.commutative_p.
2000         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
2001
2002 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
2003
2004         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
2005         (s390_expand_setmem): New.
2006         * config/s390/s390.c: Likewise. 
2007         (print_shift_count_operand): Truncate to 12 bits instead of 6.
2008         Adapt comments.
2009         * config/s390/s390.md: ("setmem<mode>"): Accept character as
2010         general_operand.  Call new function "s390_expand_setmem".
2011         ("clrmem_long", "*clrmem_long"): Rewrite to ...
2012         ("setmem_long", "*setmem_long"): ... this.
2013
2014 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
2015         
2016         * config/s390/s390.c: (optimization_options): Enable
2017         TARGET_MVCLE at -Os.
2018         * doc/invoke.texi: Document changes in default behaviour.
2019         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
2020
2021 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
2022
2023         * expr.c: (set_storage_via_setmem): Convert opchar to mode
2024         defined by back-end.
2025
2026 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
2027
2028         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
2029         all sets in the pattern.
2030         * config/rs6000/rs6000.md (stack_protect_testsi,
2031         stack_protect_testdi): Likewise.
2032
2033 2005-07-06  Jeff Law  <law@redhat.com>
2034
2035         * tree-vrp.c (simplify_using_ranges): Kill.
2036         (vrp_finalize): Remove call to simplify_using_ranges.
2037         (simplify_stmt_using_ranges): New function extracted from
2038         simplify_using_ranges.
2039         (simplify_div_or_mod_using_ranges): Likewise.
2040         (simplify_abs_using_ranges): Likewise.
2041         (simplify_cond_using_ranges): New function.
2042         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
2043         * tree-ssa-propagate.c (substitute_and_fold): Call
2044         simplify_stmt_using_ranges if we have range information.
2045
2046 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
2047
2048         * config/ia64/ia64.c (ia64_reorg): Check optimize before
2049         ia64_flag_schedule_isns2.
2050
2051         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
2052         reading/writing general registers.
2053         (ia64_function_arg): Revert 2005-06-18 change.
2054
2055 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
2056
2057         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
2058         (legitimize_tls_address): Use gcc_unreachable instead of abort.
2059
2060 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
2061
2062         * function.c (expand_function_end): Revert part of 2005-06-27
2063         patch.  Do sjlj_emit_function_exit_after after return_label.
2064
2065 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
2066
2067         * doc/install.texi (--disable-libssp): New.
2068
2069 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
2070
2071         * doc/invoke.texi: Update -fforce-mem documentation.
2072         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove 
2073         code for -fforce-mem.
2074         * expmed.c: (store_bit_field,store_fixed_bit_field,
2075         extract_bit_field): Ditto.
2076         * expr.c: (convert_move): Ditto.
2077         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
2078         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
2079         emit_conditional_add,expand_float,expand_fix): Ditto.
2080         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
2081         (common_handle_option): Issue warning when -fforce-mem specified.
2082
2083 2005-07-06  Paul Brook  <paul@codesourcery.com>
2084
2085         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
2086         argument is empty.
2087         * configure: Regenerate.
2088
2089 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
2090
2091         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
2092
2093 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
2094
2095         Fix PR tree-optimization/22319
2096         Fix PR tree-optimization/22140
2097         Fix PR tree-optimization/22310
2098
2099         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
2100         variable sized types.
2101         Use correct type for intermediate structure on *a = *b structure
2102         copies.
2103                 
2104 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
2105
2106         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
2107         Remove.
2108         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
2109         (machine_function): Move typedef to...
2110         * config/rs6000/rs6000.c (machine_function): ... here.  Add
2111         varargs_save_offset field.
2112         (rs6000_stack_t): Remove varargs_size field.
2113         (setup_incoming_varargs): Allocate varargs save area using
2114         assign_stack_local, try to make it as small as possible.
2115         Save offset from virtual_stack_vars_rtx to the save area
2116         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
2117         instead of magic 8 when fp word byte size is used.
2118         (rs6000_va_start): Use cfun->machine->varargs_save_offset
2119         instead of -RS6000_VARARGS_SIZE.
2120         (rs6000_stack_info, debug_stack_info,
2121         rs6000_initial_elimination_offset): Remove all traces of
2122         varargs_size.
2123         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
2124         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
2125         RS6000_VARARGS_AREA.
2126
2127 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
2128
2129         PR tree-optimization/21963
2130         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
2131         constant_multiple_of in the same way get_computation_cost_at does.
2132
2133 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
2134
2135         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
2136         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
2137         (gen_compare_reg): If sparc_compare_emitted is set, clear it
2138         and return its previous value.
2139         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
2140         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
2141         constants.
2142         (stack_protect_set, stack_protect_test): New expanders.
2143         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
2144         stack_protect_testdi): New insns.
2145         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
2146         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
2147
2148 2005-07-06  Jeff Law  <law@redhat.com>
2149
2150         * tree-ssa-dce.c (cfg_altered): New global.
2151         (tree_dce_init): Initialize cfg_altered.
2152         (remove_dead_stmt): If we remove an edge in the CFG, then set
2153         CFG_ALTERED.
2154         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
2155         the dominators.
2156
2157 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
2158
2159         * Makefile.in (stamp-collect-ld): Use
2160         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
2161         ./collect-ld if it already exists.
2162         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
2163         Don't remove ./nm if it already exists.
2164
2165 2005-07-05  Devang Patel  <dpatel@apple.com>
2166
2167         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
2168         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
2169         * tree-vectorizer.c (vect_loop_location): New.
2170         (vect_print_dump_info): Use vect_loop_location.
2171         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
2172         (vectorize_loops): Set vect_loop_location.
2173         * tree-vect-analyze.c (vect_analyze_offset_expr, 
2174         vect_determin_vectorization_factor, vect_analyze_operations,
2175         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
2176         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
2177         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
2178         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
2179         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
2180         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
2181         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
2182         vect_analyze_loop): Adjust vect_print_dump_info API.
2183         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2184         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
2185         vect_finish_stmt_generation, vectorizable_assignment, 
2186         vectorizable_operation, vectorizable_store, vectorizable_load, 
2187         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
2188         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
2189         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
2190         vect_transform_loop): Same.
2191         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
2192         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
2193         Same.
2194
2195 2005-07-05  Randolph Chung  <tausq@debian.org>
2196
2197         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
2198         * configure: Regenerate.
2199         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
2200         (pa_tls_referenced_p): Declare.
2201         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
2202         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
2203         (legitimize_tls_address): New.
2204         (hppa_legitimize_address): Handle TLS addresses.
2205         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
2206         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
2207         (emit_move_sequence): Handle TLS addresses.
2208         (pa_encode_section_info): Call default handler to handle common 
2209         sections.
2210         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
2211         (CONSTANT_ADDRESS_P): Reject TLS operands.
2212         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
2213         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
2214         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
2215         (UNSPEC_TLSLE): Define new constants. 
2216         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
2217         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
2218         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
2219         (tie_symbolic_operand, tle_symbolic_operand): New
2220
2221 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
2222
2223         * aclocal.m4: Update macros for autoconf 2.59 style.
2224         * configure.ac: Likewise.
2225
2226 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2227
2228         * pa.c (function_value): Handle small aggregates on 32-bit targets.
2229         (function_arg): Pass small aggregates in general registers on 32-bit
2230         targets.
2231         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
2232
2233 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
2234
2235         * Makefile.in (final.o): Fix dependencies.
2236
2237 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
2238
2239         PR c/22013
2240         PR c/22098
2241         * langhooks.h (struct lang_hooks): Add expr_to_decl.
2242         * langhooks.c (lhd_expr_to_decl): New.
2243         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
2244         New.
2245         (LANG_HOOKS_INITIALIZER): Update.
2246         * tree.c (recompute_tree_invarant_for_addr_expr): Call
2247         expr_to_decl langhook.
2248         * c-tree.h (c_expr_to_decl): Declare.
2249         * c-typeck.c (c_expr_to_decl): New.
2250         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
2251         specially.
2252         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
2253
2254 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
2255
2256         PR c/22308
2257         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
2258         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
2259
2260 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
2261
2262         * Makefile.in: Adjust dependencies.
2263         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
2264         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
2265         * alias.c (rest_of_handle_cfg, pass_cfg): New.
2266         * bb-reorder.c (duplicate_computed_gotos): Make it static.
2267         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
2268         rest_of_compilation.
2269
2270         * bb-reorder.c (gate_duplicate_computed_gotos,
2271         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
2272         rest_of_handle_reorder_blocks, pass_reorder_blocks,
2273         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
2274         pass_partition_blocks): New.
2275         * bt-load.c (gate_handle_branch_target_load_optimize,
2276         rest_of_handle_branch_target_load_optimize,
2277         pass_branch_target_load_optimize): New.
2278         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
2279         pass_jump2): New.
2280         * cfglayout.c (pass_insn_locators_initialize): New.
2281         * cfgrtl.c (pass_free_cfg): New.
2282         * combine.c (gate_handle_combine, rest_of_handle_combine,
2283         pass_combine): New.
2284         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
2285         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
2286         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
2287         * except.c (pass_set_nothrow_function_flags,
2288         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
2289         pass_rtl_eh): New.
2290         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
2291         rest_of_handle_shorten_branches, pass_shorten_branches,
2292         rest_of_clean_state, pass_clean_state): New.
2293         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
2294         rest_of_handle_remove_death_notes, pass_remove_death_notes,
2295         rest_of_handle_life, pass_life, rest_of_handle_flow2,
2296         pass_flow2): New.
2297         * function.c (pass_instantiate_virtual_regs, pass_init_function,
2298         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
2299         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
2300         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
2301         pass_gcse): New.
2302         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
2303         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
2304         pass_rtl_ifcvt, gate_handle_if_after_combine,
2305         rest_of_handle_if_after_combine, pass_if_after_combine,
2306         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
2307         pass_if_after_reload): New.
2308         * integrate.c (pass_initial_value_sets): New.
2309         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
2310         pass_purge_lineno_notes): New.
2311         * mode-switching.c (rest_of_handle_mode_switching,
2312         pass_mode_switching): New.
2313         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
2314         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
2315         pass_loop2): New.
2316         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
2317         pass_loop_optimize): New.
2318         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
2319         pass_sms): New.
2320         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
2321         pass_gcse2): New.
2322         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
2323         pass_postreload_cse): New.
2324         * profile.c (gate_handle_profiling, pass_profiling,
2325         rest_of_handle_branch_prob, pass_branch_prob): New.
2326         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split, 
2327         pass_split_before_regstack, gate_handle_split_before_regstack,
2328         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
2329         rest_of_handle_split_all_insns, pass_split_all_insns): New.
2330         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
2331         pass_stack_regs): New.
2332         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
2333         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
2334         pass_stack_adjustments): New.
2335         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
2336         pass_regrename): New.
2337         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
2338         pass_delay_slots, gate_handle_machine_reorg,
2339         rest_of_handle_machine_reorg, pass_machine_reorg): New.
2340         * rtl.h (extern void purge_line_number_notes): New.
2341         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
2342         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
2343         pass_sched2): New.
2344         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
2345         pass_tracer): New.
2346         * value-prof.c (gate_handle_value_profile_transformations,
2347         rest_of_handle_value_profile_transformations,
2348         pass_value_profile_transformations): New.
2349         * var-tracking.c (gate_handle_var_tracking,
2350         pass_variable_tracking): New.
2351         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
2352
2353         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
2354         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
2355         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
2356         rest_of_handle_old_regalloc, rest_of_handle_regrename,
2357         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
2358         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
2359         rest_of_handle_gcse2, rest_of_handle_regmove,
2360         rest_of_handle_tracer, rest_of_handle_if_conversion,
2361         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
2362         rest_of_handle_web, rest_of_handle_branch_prob,
2363         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
2364         rest_of_handle_jump_bypass, rest_of_handle_combine,
2365         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
2366         rest_of_handle_gcse, rest_of_handle_loop_optimize,
2367         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
2368         rest_of_handle_mode_switching, rest_of_handle_jump,
2369         rest_of_handle_eh, rest_of_handle_stack_adjustments,
2370         rest_of_handle_flow2, rest_of_handle_jump2,
2371         rest_of_handle_peephole2, rest_of_handle_postreload,
2372         rest_of_handle_shorten_branches, rest_of_clean_state,
2373         rest_of_compilation): Remove.
2374
2375         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
2376         * passes.c (dump_flags, in_gimple_form, all_passes,
2377         all_ipa_passes, all_lowering_passes, register_one_dump_file,
2378         register_dump_files, next_pass_1, last_verified, execute_todo,
2379         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
2380         from tree-optimize.c.
2381         (init_optimization_passes): Moved from tree-optimize.c,
2382         adding the RTL optimizations.
2383         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
2384         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
2385         all_ipa_passes, all_lowering_passes, register_one_dump_file,
2386         register_dump_files, next_pass_1, last_verified, execute_todo,
2387         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
2388         init_tree_optimization_passes, ipa_passes): Delete.
2389         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
2390         the RTL dumps.
2391         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
2392         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
2393         from tree.h.
2394         (ipa_passes): Remove.
2395         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
2396         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
2397         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
2398         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
2399         (dump_info_p, dump_flag): Moved to tree-dump.h.
2400         
2401         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
2402         cgraph.c, opts.c.
2403         * passes.c (finish_optimization_passes): Use dump_begin
2404         and dump_end, TDI_end.
2405         (gate_rest_of_compilation): New.
2406         (pass_rest_of_compilation): Use it.
2407         (gate_postreload, pass_postreload): New.
2408         * toplev.c (general_init): Rename init_tree_optimization_passes.
2409         * toplev.h (init_tree_optimization_passes): Rename to
2410         init_optimizations_passes.
2411         * tree-dump.c (dump_flag): Make static.
2412         (dump_files): Remove RTL dumps.
2413         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
2414         pass_cleanup_cfg, pass_free_cfg_annotations,
2415         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
2416         pass_init_datastructures, pass_fixup_cfg): Make non-static.
2417         * tree-pretty-print.c: Include tree-pass.h.
2418         * cgraph.c: Include tree-dump.h.
2419         
2420 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
2421
2422         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
2423         Only fall back to saying it points to readonly memory if
2424         we can't do better.
2425
2426 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
2427
2428         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
2429         * config/m32r/m32r.c (m32r_compute_frame_size,
2430         m32r_expand_prologue): Take current_function_profile into
2431         account whenever we reference
2432         current_function_uses_pic_offset_table.
2433         (m32r_finalize_pic): Remove.
2434         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
2435
2436 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
2437
2438         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
2439         instead of $<.  Don't remove ./as if it already exists.
2440
2441 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2442
2443         PR target/21723
2444         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
2445         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
2446         for complex modes when generating code for PA 1.0.
2447         (VALID_FP_MODE_P): New macro.
2448         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
2449         sets for all general and floating point modes.  Align wide floating
2450         point modes to even register boundaries to comply with architectural
2451         requirements.
2452         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
2453         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
2454         (VALID_FP_MODE_P): New macro.
2455         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
2456         sets for all general and floating point modes.  Align wide floating
2457         point modes to even register boundaries to comply with architectural
2458         requirements.
2459
2460 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
2461
2462         * tree-dump.c (dump_files): Initialize dump number for .cgraph
2463         to 0.
2464
2465 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
2466
2467         * tree-ssa-structalias.c: Don't include expr.h.
2468
2469 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
2470
2471         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
2472         comments.
2473
2474 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
2475
2476         Fix PR tree-optimization/22279
2477         
2478         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
2479         correct operator.
2480         
2481 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
2482
2483         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
2484
2485 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
2486
2487         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
2488         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
2489         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
2490         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
2491         config/stormy16/stormy16.c, config/v850/v850.c,
2492         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
2493         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
2494         Avoid "." or "\n" at end of diagnostics and capital letters at
2495         start of diagnostics.
2496         * combine.c, cse.c: Don't translate dump file output.
2497         * toplev.c (print_version): Only translate output if going to
2498         stderr.
2499
2500 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
2501
2502         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
2503         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
2504         typos.
2505
2506 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2507
2508         * pa.c (fix_range): Fix typo in comment.
2509
2510 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
2511
2512         * tree-vrp.c (extract_range_from_assert): Replace
2513         fold (build (...)) with fold_build2.
2514
2515 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2516
2517         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
2518         gcc_gfc_char_table, init_dynamic_gfc_info): New.
2519         (format_types_orig, handle_format_attribute): Add support for
2520         format "gcc_gfc".
2521
2522 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2523
2524         * varasm.c (assemble_variable): Fix format specifier thinko.
2525
2526 2005-07-03  Ira Rosen  <irar@il.ibm.com>
2527
2528         PR tree-optimization/22029 (and 22135)
2529         * tree-pretty-print.c (dump_generic_node): Check that the node is not
2530         a phi node before calling dump_vops.
2531
2532 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2533
2534         * tree-dump.h (dump_string_field): Declare.
2535         * tree-dump.c: Use it instead of dump_string.
2536         (dump_string_field): Make non-static.
2537
2538 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
2539
2540         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
2541         up the minimal CFG stuff always when optimize > 0.  Call
2542         split_all_insns_noflow in PIC case if needed.
2543
2544 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2545             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
2546
2547         PR c++/18279
2548         * c-decl.c (c_write_global_declarations): Dump contents of
2549         external scope to.
2550         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
2551         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
2552         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
2553         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
2554         is enabled.
2555         
2556 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
2557
2558         * c-common.h (GCC_DIAG_STYLE): Define.
2559         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
2560         version for format checking to 4.1.
2561         * c-format.c: Include toplev.h after c-common.h.
2562         (enum format_type): Add gcc_tdiag_format_type.
2563         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
2564         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
2565         (format_types_orig): Add gcc_tdiag.
2566         (init_dynamic_diag_info): Support gcc_tdiag formats.
2567         (handle_format_attribute): Likewise.
2568         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
2569         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
2570         version for format checking to 4.1.
2571         (warning0, warning, error, pedwarn, sorry): Use
2572         ATTRIBUTE_GCC_DIAG.
2573         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
2574         (finish_aliases_1): Do not use %qE.
2575         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
2576         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
2577         Correct format bugs.
2578         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
2579         parameter to unsigned HOST_WIDE_INT.
2580         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
2581
2582 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
2583
2584         PR middle-end/21742
2585         * expr.c (write_complex_part): Use adjust_address for MEM.
2586         (read_complex_part): Same.
2587
2588 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
2589
2590         Fix PR tree-optimization/22280
2591
2592         * tree-sra.c (generate_element_init): Remove useless loop.
2593
2594 2005-07-02  Richard Henderson  <rth@redhat.com>
2595
2596         * config/alpha/alpha.c (alpha_legitimize_address): Check for
2597         TLS_MODEL_NONE.
2598         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
2599
2600 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
2601
2602         PR middle-end/14490
2603         * fold-const.c (fold_binary): Handle the return value of
2604         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
2605         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
2606
2607 2005-07-02  Jeff Law  <law@redhat.com>
2608
2609         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
2610         a eliminate type conversion which feeds an equality comparison
2611         if the original type or either operand in the comparison is a
2612         function pointer.
2613
2614 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
2615
2616         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
2617         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
2618         texts.
2619         * config/avr/avr.c: Do not use '`' as left quote.
2620         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
2621         Remove "." from end of diagnostics.  Make diagnostics start with
2622         lowercase letter.
2623
2624 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
2625             Joseph S. Myers  <joseph@codesourcery.com>
2626
2627         * toplev.c (default_tree_printer): Handle setting location with
2628         '+' flag.
2629         * c-objc.common.c (c_tree_printer): Likewise.
2630         * c-format.c (gcc_diag_flag_specs): Add '+'.
2631         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
2632         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
2633         formats.
2634         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
2635         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
2636         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
2637         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
2638         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
2639         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
2640         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
2641         format arguments where %J is used without %D.
2642
2643 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
2644
2645         * gcc.c (LINK_SSP_SPEC): Define.
2646         (link_ssp_spec): New variable.
2647         (LINK_COMMAND_SPEC): Add %(link_ssp).
2648         (static_specs): Add link_ssp_spec.
2649         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
2650         * configure: Rebuilt.
2651         * config.in: Rebuilt.
2652
2653         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
2654         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
2655         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
2656         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
2657         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
2658         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
2659         -0x7008(2) instead of reading __stack_chk_guard variable.
2660         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
2661         number.
2662         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
2663         (stack_protect_set, stack_protect_test): Use *_tls* patterns
2664         if TARGET_THREAD_SSP_OFFSET is defined.
2665         (stack_tls_protect_set_si, stack_tls_protect_set_di,
2666         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
2667
2668         Revert:
2669         2005-06-27  Richard Henderson  <rth@redhat.com>
2670         * libgcc-std.ver (GCC_4.1.0): New.
2671         * libgcc.h (__stack_chk_guard): Declare.
2672         (__stack_chk_fail, __stack_chk_fail_local): Declare.
2673         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
2674         * mklibgcc.in (lib2funcs): Add them.
2675
2676 2005-07-01  Richard Henderson  <rth@redhat.com>
2677
2678         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
2679         void * before struct sigcontext *.
2680         (x86_fallback_frame_state): Likewise.
2681
2682 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
2683
2684         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
2685
2686 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
2687
2688         PR tree-opt/22269
2689         * tree-ssa-reassoc.c (should_transpose): Fix which operand
2690         we check for SSA_NAME for.
2691
2692 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
2693
2694         Fix PR tree-optimization/22071
2695
2696         * tree-ssa-structalias.c (offset_overlaps_with_access): New
2697         function.
2698         (get_constraint_for_component_ref): Use it.
2699
2700 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
2701
2702         PR other/22264
2703         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
2704         print out the last new line.
2705
2706 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
2707
2708         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
2709         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
2710         * config/cris/cris.c (cris_conditional_register_usage): Adjust
2711         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
2712         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
2713         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
2714         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
2715         (enum reg_class): New member CC0_REGS.
2716         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
2717         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
2718         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
2719         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
2720         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
2721         Adjust for register now described.
2722
2723 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
2724
2725         PR target/22262
2726         * config/i386/i386.md (stack_protect_test_si,
2727         stack_protect_test_di): Add earlyclobber for scratch 3.
2728         * config/rs6000/rs6000.md (stack_protect_testsi,
2729         stack_protect_testdi): Add earlyclobber for scratch 3,
2730         remove earlyclobber from scratch 4.
2731
2732 Older entries for 2005 can be found in ChangeLog-2005.