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