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1 2007-04-13  Richard Guenther  <rguenther@suse.de>
2
3         PR tree-optimization/21258
4         * tree-vrp.c (compare_case_labels): New helper.
5         (find_switch_asserts): New function.
6         (find_assert_locations): Call it for SWITCH_EXPRs.
7
8 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
9
10         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
11         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
12         check is now implied in X87_FLOAT_MODE_P.
13         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
14         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
15         (fix_trunc<mode>_i386_fisttp): Ditto.
16         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
17         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
18         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
19         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
20         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
21         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
22         (unnamed_splitters): Ditto.
23         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
24         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
25         FIRST_SSE_REG for local functions when SSE math is enabled or
26         for functions with sseregparm attribute.
27         (standard_80387_constant_p): Return -1 if mode is not
28         X87_FLOAT_MODE_P.
29         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
30         (ix86_expand_compare): Ditto.
31         (ix86_expand_carry_flag_compare): Ditto.
32         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
33         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
34         DECIMAL_FLOAT_MODE_P.
35         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
36         of SCALAR_FLOAT_MODE_P.
37         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
38         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
39         checks before FLOAT_MODE_P.
40         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
41         before FLOAT_MODE_P.
42         [DIV]: Ditto.
43         [NEG]: Ditto.
44         [ABS]: Ditto.
45         [SQRT]: Ditto.
46         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
47
48 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
49             Charles Wilson  <libtool@cwilson.fastmail.fm>
50
51         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
52         (libgcc.mvars): Don't depend on them.
53         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
54         * exec-tool.in: New.
55
56 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
57
58         * doc/invoke.text (--help): Document --help=common.
59
60 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
61
62         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
63
64 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
65
66         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
67         * genemit.c (main): Emit #include "integrate.h".
68         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
69         (LOADGP_RTP): New mips_loadgp_style.
70         * config/mips/mips.h: Include config/vxworks-dummy.h.
71         (TARGET_RTP_PIC): New macro.
72         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
73         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
74         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
75         for TARGET_RTP_PIC.
76         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
77         -mvxworks-pic when using -mrtp and a PIC option.
78         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
79         for RTP PIC.
80         (mips_symbolic_constant_p, mips_symbolic_address_p)
81         (mips_symbol_insns): Handle SYMBOL_HALF.
82         (override_options): Warn about -G and -mrtp being used together.
83         Initialize mips_lo_relocs[SYMBOL_HALF].
84         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
85         (mips_emit_loadgp): Handle LOADGP_RTP.
86         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
87         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
88         (tablejump): Handle function-relative case table entries if
89         TARGET_RTP_PIC.
90         * config/mips/predicates.md (symbol_ref_operand): New predicate.
91
92 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
93
94         * config/mips/mips.md (load_call<mode>): Allow any general register.
95         destination.
96         (sibcall_value_internal, sibcall_value_multiple_internal)
97         (call_value_internal, call_value_split, call_value_multiple_internal)
98         (call_value_multiple_split): Remove constraints from operand 0.
99
100 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
101
102         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
103         rather than loadgp_noshared.
104         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
105         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
106         gen_loadgp.
107         * config/mips/mips.md (loadgp): Rename to...
108         (loadgp_newabi): ...this.
109         (loadgp_noshared): Rename to...
110         (loadgp_absolute): ...this.
111
112 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
113
114         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
115         false for locally-binding symbols.
116         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
117
118 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
119
120         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
121         (SYMBOL_GOT_PAGE_OFST): ...this.
122         (SYMBOL_GOT_GLOBAL): Rename to...
123         (SYMBOL_GOT_DISP): ...this.
124         (SYMBOL_GOTOFF_GLOBAL): Rename to...
125         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
126         * config/mips/mips.c (mips_global_symbol_p): New function.
127         (mips_symbol_binds_local_p): Likewise.
128         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
129         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
130         and mips_symbol_binds_local_p.
131         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
132         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
133         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
134         SYMBOL_GOTOFF_DISP.
135         (mips_ok_for_lazy_binding_p): New function.
136         (mips_load_call_address, mips_expand_call): Use it.
137         (mips_dangerous_for_la25_p): Likewise.
138         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
139         (*got_disp<mode>): Use got_disp_operand instead of
140         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
141         SYMBOL_GOTOFF_GLOBAL.
142         (*got_page<mode>): Use got_page_ofst_operand instead of
143         local_got_operand.
144         * config/mips/predicates.md (const_call_insn_operand): Use
145         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
146         (global_got_operand): Rename to...
147         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
148         SYMBOL_GOT_GLOBAL.
149         (local_got_operand): Rename to...
150         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
151         of SYMBOL_GOT_LOCAL.
152
153 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
154
155         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
156         TARGET_CALL_CLOBBERED_GP.
157         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
158         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
159         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
160         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
161         of TARGET_ABICALLS && !TARGET_NEWABI.
162         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
163         * config/mips/mips.c (mips_load_call_address): Check
164         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
165         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
166         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
167         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
168         TARGET_ABICALLS && TARGET_NEWABI.
169         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
170         TARGET_ABICALLS.
171         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
172         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
173         TARGET_ABICALLS && TARGET_NEWABI.
174         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
175         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
176         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
177         whether indirect calls must use $25.
178         (mips_extra_live_on_entry): Check TARGET_GOT instead of
179         TARGET_ABICALLS.
180         * config/mips/mips.md (jal_macro): Check flag_pic and
181         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
182         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
183         instead of TARGET_ABICALLS.
184         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
185         TARGET_ABICALLS && TARGET_OLDABI.
186         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
187         (sibcall): In the comment above the define_insn, mention
188         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
189         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
190         instead of TARGET_ABICALLS.
191
192 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
193
194         * doc/md.texi (Blackfin family constraints): Document PA and PB.
195         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
196         (MACFLAGS_MATCH_P): New macro.
197         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
198         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
199         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
200         the other MACFLAG constants.
201         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
202         (flag_machi): Tighten constraints.  Renumber some of the operands.
203         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
204         output template.
205         (flag_machi_parts_acconly): New pattern.
206         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
207         used.
208         (flag_macinit1hi): Tighten constraints.
209         (flag_mul_macv2hi_parts_acconly): New pattern.
210
211         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
212         Use a more efficient implementation.
213         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
214         inline sequences when not optimizing for size.
215
216         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
217         movhi_high2low): Delete, merge functionality into...
218         (packv2hi): ... this pattern.
219
220         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
221         * config/bfin/bfin.opt (msim): New option.
222         (mcpu=): New option.
223         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
224         (bfin_cpu_t): Typedef of enum bfin_cpu.
225         (bfin_cpu_type): New declaration.
226         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
227         -msim and -mcpu= options.
228         (LIB_SPEC): Likewise.
229         * config/bfin/bfin.c (bfin_cpu_type): Define.
230         (bfin_handle_option): Handle -mcpu= option.
231         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
232         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
233         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
234
235 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
236
237         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
238         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
239         (powerpc-wrs-vxworksae): Use ${tm_file}.
240         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
241         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
242         * config/i386/vx-common.h: New file.
243
244 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
245
246         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
247         of crt0.o%s.
248
249 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
250
251         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
252         ldxtr.
253
254 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
255
256         PR c++/31078
257         PR c++/31103
258         * c-common.c (c_build_qualified_type): Set canonical type
259         appropriately.  
260
261 2007-04-12  Richard Guenther  <rguenther@suse.de>
262
263         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
264         lower bound and element size if lower bound is not zero
265         or either of the ARRAY_REF operands is set.
266
267 2007-04-12  Richard Guenther  <rguenther@suse.de>
268
269         PR tree-optimization/24689
270         PR tree-optimization/31307
271         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
272         indices by value.
273         * gimplify.c (canonicalize_addr_expr): To be consistent with
274         gimplify_compound_lval only set operands two and three of
275         ARRAY_REFs if they are not gimple_min_invariant.  This makes
276         it never at this place.
277         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
278
279 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
280
281         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
282         null before emitting a .nsubspa directive.
283
284 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
285
286         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
287         need_to_partition_p if there are no memory statements in the
288         function.
289
290 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
291
292         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
293         (gcd_of_steps_may_divide_p): New function.
294         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
295
296 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
297
298         * reload.c (find_reloads_toplev, find_reloads_address,
299         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
300         not a pointer equality test, to decide if we need to call
301         push_reg_equiv_alt_mem.
302
303 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
304
305         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
306         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
307         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
308
309 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
310
311         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
312         vector to be positive.
313
314 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
315
316         PR 30735
317         PR 31090
318         * doc/invoke.texi: Document --params max-aliased-vops and
319         avg-aliased-vops.
320         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
321         debug_memory_partitions): Move to tree-flow.h
322         * params.h (AVG_ALIASED_VOPS): Define.
323         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
324         users.
325         (mp_info_t): Likewise.
326         (get_mem_sym_stats_for): New.
327         (set_memory_partition): Move from tree-flow-inline.h.
328         (mark_non_addressable): Only clear the set of symbols for the
329         partition if it exists.
330         (dump_memory_partitions): Move from tree-ssa-operands.c
331         (debug_memory_partitions): Likewise.
332         (need_to_partition_p): New.
333         (dump_mem_ref_stats): New.
334         (debug_mem_ref_stats): New.
335         (dump_mem_sym_stats): New.
336         (debug_mem_sym_stats): New.
337         (update_mem_sym_stats_from_stmt): New.
338         (compare_mp_info_entries): New.
339         (mp_info_cmp): Call it.
340         (sort_mp_info): Change argument to a list of mem_sym_stats_t
341         objects.
342         (get_mpt_for): Move from tree-ssa-operands.c.
343         (find_partition_for): New.
344         (create_partition_for): Remove.
345         (estimate_vop_reduction): New.
346         (update_reference_counts): New.
347         (build_mp_info): New.
348         (compute_memory_partitions): Refactor.
349         Document new heuristic.
350         Call build_mp_info, update_reference_counts,
351         find_partition_for and estimate_vop_reduction.
352         (compute_may_aliases): Populate virtual operands before
353         calling debugging dumps.
354         (delete_mem_sym_stats): New.
355         (delete_mem_ref_stats): New.
356         (init_mem_ref_stats): New.
357         (init_alias_info): Call it.
358         (maybe_create_global_var): Remove alias_info argument.
359         Get number of call sites and number of pure/const call sites
360         from gimple_mem_ref_stats().
361         (dump_alias_info): Call dump_memory_partitions first.
362         (dump_points_to_info_for): Show how many times a pointer has
363         been dereferenced.
364         * opts.c (decode_options): For -O2 set --param
365         max-aliased-vops to 500.
366         For -O3 set --param max-aliased-vops to 1000 and --param
367         avg-aliased-vops to 3.
368         * fortran/options.c (gfc_init_options): Remove assignment to
369         MAX_ALIASED_VOPS.
370         * tree-flow-inline.h (gimple_mem_ref_stats): New.
371         * tree-dfa.c (dump_variable): Dump memory reference
372         statistics.
373         Dump NO_ALIAS* settings.
374         (referenced_var_lookup): Tidy.
375         (mem_sym_stats): New.
376         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
377         and ORIG are different SSA names for a memory partition.
378         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
379         * tree-flow.h (struct mem_sym_stats_d): Define.
380         (mem_sym_stats_t): Define.
381         (struct mem_ref_stats_d): Define.
382         (struct gimple_df): Add field mem_ref_stats.
383         (enum noalias_state): Define.
384         (struct var_ann_d): Add bitfield noalias_state.
385         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
386         debug_mem_ref_stats, debug_memory_partitions,
387         debug_mem_sym_stats): Declare.
388         * tree-ssa-structalias.c (update_alias_info): Update call
389         sites, pure/const call sites and asm sites in structure
390         returned by gimple_mem_ref_stats.
391         Remove local variable IS_POTENTIAL_DEREF.
392         Increase NUM_DEREFS if the memory expression is a potential
393         dereference.
394         Call update_mem_sym_stats_from_stmt.
395         If the memory references memory, call
396         update_mem_sym_stats_from_stmt for all the direct memory
397         symbol references found.
398         (intra_create_variable_infos): Set noalias_state field for
399         pointer arguments according to the value of
400         flag_argument_noalias.
401         * tree-ssa-structalias.h (struct alias_info): Remove fields
402         num_calls_found and num_pure_const_calls_found.
403         (update_mem_sym_stats_from_stmt): Declare.
404         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
405         Set default value to 100.
406         (PARAM_AVG_ALIASED_VOPS): Define.
407
408 2007-04-11  Richard Guenther  <rguenther@suse.de>
409
410         PR middle-end/31530
411         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
412         a * -b + c as c - a * b if we honor sign dependent rounding.
413
414 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
415
416         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
417         bfin_expand_strmov.
418         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
419         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
420         variables.
421         (initialize_trampoline): Don't use old-style function definition.
422         (bfin_secondary_reload): Mark IN_P argument as unused.
423
424 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
425
426         PR tree-optimization/31343
427         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
428         (build_polynomial_chrec): Return a scalar when the evolution is zero.
429         * testsuite/gcc.dg/vect/pr31343.c: New.
430
431 2007-04-10  Eric Christopher  <echristo@apple.com>
432
433         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
434         * config/i386/i386.md (*cmpfp0): Use.
435         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
436         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
437         (fix_trunc<mode>_i386_fisttp): Ditto.
438         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
439         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
440         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
441         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
442         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
443         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
444         (unnamed_splitters): Ditto.
445         * config/i386/i386.c (output_fix_trunc): Assert that
446         we're not being passed a TFmode operand.
447
448 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
449
450         PR tree-optimization/31526
451         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
452         n_basic_blocks to find newly added blocks.
453
454 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
455
456         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
457         alternative.
458         (fix_trunc<mode>si_sse): Ditto.
459         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
460         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
461         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
462         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
463         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
464         expander using SSEMODEF mode macro.
465         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
466         expander using SSEMODEF mode macro.
467         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
468         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
469         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
470         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
471         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
472         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
473         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
474         Macroize insn using X87MODEF mode macro.
475
476 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
477
478         * config/i386/sse.md (sse2_pinsrw): Removed.
479         (sse2_pextrw): Renamed to ...
480         (*sse2_pextrw): This.
481
482 2007-04-09  Jan Hubicka  <jh@suse.cz>
483
484         PR target/27869
485         * config/i386/sse.md
486         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
487         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
488         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
489         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
490
491 2007-04-09  Jan Hubicka  <jh@suse.cz>
492
493         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
494         multiple fields of union.
495
496 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
497
498         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
499         (create_preheaders): Check that loops are available.
500         (fix_loop_structure): Clean up, improve comments.
501         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
502         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
503         state flags.
504         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
505         * predict.c (tree_estimate_probability): Do not call
506         calculate_dominance_info.  Call create_preheaders.
507         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
508         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
509         flags.
510         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
511         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
512         * tree-cfg.c (tree_split_edge): Make an assert more precise.
513         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
514         arguments.
515
516 2007-04-08  Jan Hubicka  <jh@suse.cz>
517
518         * tree.h (maybe_fold_offset_to_component_ref): Declare.
519         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
520         * fold-const.c (fold_unary): Use it.
521
522 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
523
524         * varasm.c (assemble_variable): Remove call to
525         lang_hooks.decls.prepare_assemble_variable.
526         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
527         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
528         * langhooks.h (lang_hooks_for_decls): Remove
529         prepare_assemble_variable.
530
531 2007-04-08  Mike Stump  <mrs@apple.com>
532
533         * config/i386/i386.c: Use inc/dec on Core2.
534
535 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
536
537         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
538         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
539         lhd_tree_inlining_end_inlining): Remove.
540         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
541         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
542         end_inlining hooks.
543         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
544         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
545         lhd_tree_inlining_end_inlining): Remove prototypes.
546         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
547         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
548         LANG_HOOKS_TREE_INLINING_START_INLINING,
549         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
550
551         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
552         not set it.
553
554 2007-04-08  Anatoly Sokolov <aesok@post.ru>
555
556         PR target/29932
557         * config/avr/predicates.md (io_address_operand): Delete predicate.
558         (low_io_address_operand): Don't use 'mode' argument.
559         (higth_io_address_operand): Rename ...
560         (high_io_address_operand): ... to this. Don't use 'mode' argument.
561         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
562         for above change.
563
564 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
565
566         Revert change removing staticp.
567
568 2007-04-07  Anatoly Sokolov <aesok@post.ru>
569
570         PR target/30289
571         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
572         earlyclobber.
573
574 2007-04-07  Bruce Korb  <bkorb@gnu.org>
575
576         * c.opt: Add -Wformat-contains-nul.
577         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
578           -Wformat setting.
579         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
580         the NUL byte warning.
581
582 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
583
584         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
585
586 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
587
588         * tree.c (staticp): No longer use staticp langhook.
589         * langhooks.c (lhd_staticp): Removed.
590         * langhooks.h (struct lang_hooks): Remove staticp.
591         * c-common.c (c_staticp): Remove.
592         * c-common.h (c_staticp): Ditto.
593         * langhooks-defs.h (lhd_staticp): Ditto.
594         (LHD_HOOKS_STATICP): Ditto
595         * tree.h (gcc_assert_lowered): New macro.
596
597 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
598
599         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
600         argument "reliable".
601         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
602         Add argument "reliable".  Propagate it through calls.
603         (infer_loop_bounds_from_undefined):  Derive number of iterations
604         estimates from references in blocks that do not dominate loop latch.
605         (gcov_type_to_double_int): New function.
606         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
607         and expected_loop_iterations_unbounded.
608         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
609         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
610         * tree-data-ref.c (estimated_loop_iterations): Export.
611         (get_references_in_stmt): Fix -- do not return addresses of local
612         objects.
613         * cfgloop.h (expected_loop_iterations_unbounded,
614         estimated_loop_iterations): Declare.
615
616 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
617
618         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
619
620 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
621
622         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
623         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
624         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
625         Use output_387_reg_move().
626         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
627         expander using X87MODEF12 mode macro.
628         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
629         choosing register preferences.  Use output_387_reg_move().
630         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
631         instead of "x".  Use output_387_reg_move().
632         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
633         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
634         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
635         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
636         Use output_387_reg_move().
637         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
638         mode macro.
639         (*truncxf?f_i387 splitter): Ditto.
640
641 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
642
643         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
644         LANG_HOOKS_SAFE_FROM_P.
645         * expr.c (safe_from_p): Remove langhook call.
646         * langhooks.h (lang_hooks): Remove safe_from_p.
647         (lhd_safe_from_p): Remove prototype.
648         * langhooks.c (lhd_safe_from_p): Remove.
649
650 2007-04-06  Jan Hubicka  <jh@suse.cz>
651
652         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
653         functions.
654
655 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
656
657         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
658         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
659         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
660         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
661         alternative.
662         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
663         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
664
665 2007-04-05  Richard Henderson  <rth@redhat.com>
666
667         * config/alpha/alpha.c (print_operand) [+]: Remove.
668         (alpha_end_function): Print nop if call at end of function.
669         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
670         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
671         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
672         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
673         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
674         the call pattern. Update peepholes to match.
675
676 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
677
678         * doc/extend.texi (Other Builtins): Add decimal float variants
679         of signbit.
680         * builtins.def: Ditto.
681         * builtins.c (expand_builtin): Ditto.
682
683 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
684             H.J. Lu  <hongjiu.lu@intel.com>
685
686         PR target/31478
687         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
688         of V8HImode when calling ix86_binary_operator_ok.
689         (sse2_pmaddwd): Call ix86_binary_operator_ok.
690         (sdot_prodv8hi): Operands 1 and 2 must be register.
691
692 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
693
694         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
695         initialize align to silence bogus warning.
696
697 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
698
699         PR middle-end/22156
700         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
701         all_no_warning.
702         (struct sra_walk_fns): Remove use_all parameter from use.
703         (sra_hash_tree): Handle BIT_FIELD_REFs.
704         (sra_elt_hash): Don't hash bitfld blocks.
705         (sra_elt_eq): Skip them in parent compares as well.  Handle
706         BIT_FIELD_REFs.
707         (sra_walk_expr): Don't maintain or pass down use_all_p.
708         (scan_use): Remove use_all parameter.
709         (scalarize_use): Likewise.  Re-expand assignment to
710         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
711         output, and re-scalarize after output.  Don't mark anything
712         for no warning.
713         (scalarize_ldst): Adjust.
714         (scalarize_walk_gimple_modify_statement): Likewise.
715         (build_element_name_1): Handle BIT_FIELD_REFs.
716         (instantiate_element): Don't warn for any element whose parent
717         is used as a whole.
718         (instantiate_missing_elements_1): Return the sra_elt.
719         (canon_type_for_field): New.
720         (try_instantiate_multiple_fields): New.
721         (instantiate_missing_elemnts): Use them.
722         (mark_no_warning): Removed.
723         (generate_one_element_ref): Handle BIT_FIELD_REFs.
724         (REPLDUP, sra_build_elt_assignment): New.
725         (generate_copy_inout): Use them.
726         (generate_element_copy): Likewise.  Handle bitfld differences.
727         (generate_element_zero): Don't recurse for blocks.  Use
728         sra_build_elt_assignment.
729         (generate_one_element_int): Take elt instead of var.  Use
730         sra_build_elt_assignment.
731         (generate_element_init_1): Adjust.
732         (scalarize_use, scalarize_copy): Use REPLDUP.
733         (scalarize_ldst): Move assert before dereference.
734         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
735
736 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
737
738         * regmove.c: Fix unused variable warnings due to previous commit.
739
740 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
741
742         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
743         (regmove_bb_head): Remove.
744         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
745         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
746         problems with fixup_match_1.
747         Don't initialize/free regmove_bb_head.
748
749         (reg_is_remote_constant_p): If an insn is in the same basic block
750         but not before INSN, consider it remote, too.
751
752 2007-04-05  Anatoly Sokolov <aesok@post.ru>
753
754         PR target/25448
755         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
756         DECL_ASSEMBLER_NAME, not the DECL_NAME.
757
758 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
759
760         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
761         (CONDITIONAL_REGISTER_USAGE): Likewise.
762
763 2007-04-04  Richard Henderson  <rth@redhat.com>
764
765         * config/alpha/lib1funcs.asm: Remove unused file.
766
767 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
768
769         PR other/31356
770         * opts.c (print_specific_help): Fix --help=<language>
771         header line.
772         (common_handle_option): Support --help=common.
773
774 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
775
776         PR other/31353
777         * gcc.c (main): Do not run the linker if
778         print_subprocess_help indicates that it shouldn't be
779         run.
780
781 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
782
783         PR doc/31355
784         * doc/invoke.texi (--help=): Document <languages> value, fix
785         formatting in tables of values.
786
787 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
788
789         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
790         dllimport attribute of virtual methods.
791
792 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
793
794         * config/score/crti.asm: Change _bss_start to __bss_start.
795         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
796         (OUTGOING_REG_PARM_STACK_SPACE) update.
797         * config/score/score.opt: add options to make backend support
798         score5, score5u, score7 and score7d.
799         * config/score/score.md: Likewise.
800         * config/score/misc.md: Likewise.
801         * config/score/mac.md: Likewise.
802         * doc/invoke.texi: Likewise.
803         * doc/md.texi: update constraints define.
804
805 2007-04-03  Richard Henderson  <rth@redhat.com>
806
807         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
808         an appropriate type, use the mode instead.
809
810 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
811
812         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
813         Set the default --with-arch setting to mips2.
814         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
815         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
816         (MULTILIB_OSDIRNAMES): Delete.
817         (MULTILIB_DIRNAMES): Define.
818         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
819         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
820         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
821         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
822         VXWORKS_OS_CPP_BUILTINS.
823         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
824         (MIPS_DEBUGGING_INFO): Undefine.
825         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
826
827 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
828
829         PR middle-end/30704
830         * fold-const.c (native_encode_real): Encode real.c provided longs
831         as a series of 32-bit native integers.
832         (native_interpret_real): Interpret buffer as a series of 32-bit
833         native integers.
834
835 2007-04-03  Richard Guenther  <rguenther@suse.de>
836
837         * genpreds.c (write_insn_constraint_len): Write function
838         optimized for CONSTRAINT_LEN implementation.
839         (write_tm_preds_h): Output insn_constraint_len inline and
840         use it for CONSTRAINT_LEN.
841         (write_insn_preds_c): Don't output insn_constraint_len.
842         * doc/md.texi (define_register_constraint): Document multi-letter
843         constraints shall have the same length if they start with the same
844         letter.
845
846 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
847
848         PR target/31175
849         * config/i386/i386.md (isinf<mode>2): Expand only when
850         TARGET_C99_FUNCTIONS is set.
851
852 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
853
854         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
855         (x86_64-*-linux*): Ditto.
856         * config/i386/i386.opt (mpc): New option.
857         * config/i386/i386.c (overrride_options): Handle
858         ix87_precision_string.
859         * config/i386/crtprec.c: New file.
860         * config/i386/t-crtpc: Ditto.
861         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
862         and -mpc80 options.
863         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
864         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
865         crtprec32.o, crtprec64.o and crtprec80.o.
866
867         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
868         and -mpc80 options.
869         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
870
871 2007-04-02  Eric Christopher  <echristo@apple.com>
872
873         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
874         limitations on darwin.
875
876 2007-04-02  Anatoly Sokolov <aesok@post.ru>
877
878         PR target/31137
879         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
880
881 2007-04-02  Dave Korn  <dave.korn@artimi.com>
882
883         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
884
885 2007-04-02  Dave Korn  <dave.korn@artimi.com>
886
887         * libgcc2.h (exception_descriptor): Don't forward-declare.
888         (__get_eh_table_language, __get_eh_table_version): Delete
889         prototypes of long-dead functions.
890
891 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
892
893         * ebitmap.h: New file
894         * ebitmap.c: New file
895         * Makefile.in (ebitmap.o): New target.
896
897 2007-04-01  Jan Hubicka  <jh@suse.cz>
898
899         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
900         before very first instruction.
901
902 2007-04-01  Jan Hubicka  <jh@suse.cz>
903
904         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
905         waring on 64bit hosts.
906         * bitmap.h: Fix typo in bitmap_head_def.
907
908 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
909
910         PR rtl-optimization/31391
911         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
912         into a DELETED_LABEL note, and the label is in an empty basic
913         block, update BB_END as well as BB_HEAD.
914
915 2007-04-01  Richard Henderson  <rth@redhat.com>
916
917         PR tree-optimization/31169
918         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
919         to varying if the range is outside [0,  prec-1].
920
921 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
922
923         PR target/31388
924         * config/mips/mips.md (load_const_gp): New insn.
925         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
926         the MIPS16 GP pseudo register if no_new_pseudos.
927         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
928
929 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
930
931         PR target/31364
932         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
933         secureplt.
934         (call_value): Likewise.
935
936 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
937             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
938
939         PR 14737
940         * doc/invoke.texi: (optimization options): Reword description
941         of -ffast-math. Document its primary purpose.
942
943 2007-03-31  Richard Guenther  <rguenther@suse.de>
944
945         * omp-low.c (splay-tree.h): Include.
946         (lookup_decl): Replace splay-tree usage by pointer-map.
947         (maybe_lookup_decl): Likewise.
948         (new_omp_context): Likewise.
949         (delete_omp_context): Likewise.
950         * gimplify.c (splay-tree.h): Include.
951         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
952         pointer-map.
953         (remap_ssa_name): Likewise.
954         (remap_decl): Likewise.
955         (remap_type_1): Likewise.
956         (remap_type): Likewise.
957         (copy_body_r): Likewise.
958         (expand_call_inline): Likewise.
959         (clone_body): Likewise.
960         (copy_tree_r): Likewise.
961         (remap_save_expr): Likewise.
962         (unsave_r): Likewise.
963         (unsave_expr_now): Likewise.
964         (tree_function_versioning): Likewise.
965         (build_duplicate_type): Likewise.
966         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
967         (struct copy_body_data): Replace splay-tree by pointer-map.
968         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
969         not $(SPLAY_TREE_H).
970         (gimplify.o): Depend on $(SPLAY_TREE_H).
971         (omp-low.p): Likewise.
972
973 2007-03-31  Anatoly Sokolov <aesok@post.ru>
974
975         * config/avr/predicates.md (even_register_operand,
976         odd_register_operand): New predicates.
977         * config/avr/avr.md (movw peephole2): New.
978         (movw_r peephole2): New.
979
980 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
981
982         * tree.h (get_signed_or_unsigned_type): New.
983         * fold-const.c (operand_equal_for_comparison_p): Use
984         get_signed_or_unsigned_type instead of
985         lang_hooks.types.signed_or_unsigned_type.
986         * expr.c (store_expr): Ditto.
987         * langhooks.c (get_signed_or_unsigned_type): New.
988         (lhd_signed_or_unsigned_type): New.
989         * langhooks.h (lhd_signed_or_unsigned_type): New.
990         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
991
992 2007-03-30  Richard Henderson  <rth@redhat.com>
993
994         * tree-ssa-loop-ivopts.c: Include target.h.
995         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
996         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
997         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
998         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
999
1000 2007-03-30  Richard Henderson  <rth@redhat.com>
1001             Kai Tietz  <kai.tietz@onevision.com>
1002
1003         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
1004         default for 64-bit.
1005         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
1006         (TARGET_64BIT_MS_ABI): New.
1007         (DBX_REGISTER_NUMBER): Handle 64-bit.
1008         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
1009         (LONG_TYPE_SIZE): Force to 32.
1010         (REG_PARM_STACK_SPACE): New.
1011         (OUTGOING_REG_PARM_STACK_SPACE): New.
1012         (REGPARM_MAX, SSE_REGPARM_MAX): New.
1013         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
1014         (STACK_BOUNDARY): Use 128 for 64-bit.
1015         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
1016         Add 64-bit implementation.
1017         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
1018         argument unused.
1019         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
1020         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
1021         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
1022         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
1023         (ix86_handle_cconv_attribute): Don't warn when ignoring if
1024         TARGET_64BIT_MS_ABI.
1025         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
1026         (ix86_pass_by_reference): Likewise.
1027         (ix86_function_value_regno_p): Likewise.
1028         (ix86_build_builtin_va_list): Likewise.
1029         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1030         (function_arg_advance_ms_64): New.
1031         (function_arg_advance): Call it.
1032         (function_arg_ms_64): New.
1033         (function_arg): Call it.
1034         (function_value_ms_64): New.
1035         (ix86_function_value_1): Call it.
1036         (return_in_memory_ms_64): New.
1037         (ix86_return_in_memory): Call it.
1038         (setup_incoming_varargs_ms_64): New.
1039         (ix86_setup_incoming_varargs): Call it.
1040         (ix86_expand_prologue): Handle 64-bit stack probing.
1041         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
1042         (output_pic_addr_const): Likewise.
1043         (x86_this_parameter): Likewise.
1044         (x86_output_mi_thunk): Likewise.
1045         (x86_function_profiler): Likewise.
1046         (TARGET_STRICT_ARGUMENT_NAMING): New.
1047         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
1048         (TARGET_64BIT_MS_ABI): New.
1049         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
1050         * config/i386/i386.md (allocate_stack_worker): Remove.
1051         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
1052         describe the clobber of eax without a match_scratch.
1053         (allocate_stack_worker_postreload): Remove.
1054         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
1055         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
1056         (allocate_stack_worker_rex64_postreload): Remove.
1057         (allocate_stack): Handle 64-bit.
1058         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
1059         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
1060         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
1061         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
1062         (STANDARD_STARTFILE_PREFIX_1): Likewise.
1063         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
1064         * config.build (x86_64-*-mingw*): New host.
1065         * config.host (x86_64-*-mingw*): New host.
1066         * config.gcc (x86_64-*-mingw*): New target.
1067         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
1068
1069 2007-03-30  Richard Henderson  <rth@redhat.com>
1070             Kai Tietz  <kai.tietz@onevision.com>
1071
1072         * c-pragma.c (struct def_pragma_macro_value): New.
1073         (struct def_pragma_macro): New.
1074         (pushed_macro_table): New.
1075         (dpm_hash, dpm_eq): New.
1076         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
1077         (init_pragma): Install them.
1078         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
1079
1080 2007-03-30  Anatoly Sokolov <aesok@post.ru>
1081
1082         * config/avr/avr.c (avr_override_options): Clear
1083         'flag_delete_null_pointer_checks'.
1084
1085 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
1086
1087         PR c++/26099
1088         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
1089         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
1090         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
1091         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
1092         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
1093         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
1094         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
1095         C++ extensions.
1096         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
1097
1098 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
1099
1100         * regmove.c: Move all of pass_stack_adjustments from here...
1101         * combine-stack-adj.c: ...to this new file.
1102         * Makefile.in: Add rules for combine-stack-adj.o.
1103
1104 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
1105
1106         PR tree-optimization/31383
1107         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
1108         to have the same length.
1109
1110 2007-03-30  Jan Hubicka  <jh@suse.cz>
1111
1112         PR middle-end/30700
1113         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
1114         availablility; add more sanity checking; ask varpool only about
1115         VAR_DECL.
1116
1117 2007-03-29  Richard Henderson  <rth@redhat.com>
1118
1119         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
1120         to decide, but __SIZEOF_LONG_LONG__.
1121
1122 2007-03-29  Richard Henderson  <rth@redhat.com>
1123
1124         * emutls.c (struct __emutls_array): New.
1125         (emutls_destroy): Use it instead of casting element 0 from void*.
1126         (__emutls_get_address): Likewise.
1127
1128 2007-03-29  Richard Henderson  <rth@redhat.com>
1129
1130         * varasm.c (initializer_constant_valid_p): Don't deny
1131         DECL_DLLIMPORT_P on functions.
1132
1133         * config/i386/cygming.h: Remove function declarations.
1134         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
1135         (ASM_OUTPUT_LABELREF): Remove.
1136         (COMMON_ASM_OP): Remove.
1137         (ASM_OUTPUT_COMMON): Remove.
1138         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
1139         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
1140         (ASM_DECLARE_FUNCTION_NAME): Likewise.
1141         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
1142         Rename from TARGET_ENCODE_SECTION_INFO.
1143         * config/i386/netware.h: Likewise.
1144         * config/i386/i386-protos.h: Update.
1145         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
1146         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
1147         (legitimate_constant_p): Reject dllimports.
1148         (dllimport_map, get_dllimport_decl): New.
1149         (legitimize_dllimport_symbol): New.
1150         (legitimize_address, ix86_expand_move): Use it.
1151         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
1152         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
1153         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
1154         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
1155         * config/i386/predicates.md (constant_call_address_operand): Only
1156         accept symbols; reject dllimport_p symbols.
1157         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
1158         i386_pe_maybe_record_exported_symbol.
1159         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
1160         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
1161         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
1162         trust the setting of DECL_DLLIMPORT_P.
1163         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
1164         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
1165         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
1166         tidy the argument scanning loop.
1167         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
1168         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
1169         (i386_pe_strip_name_encoding): Remove.
1170         (i386_pe_binds_local_p): New.
1171         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
1172         (i386_pe_output_labelref): Remove.
1173         (i386_pe_asm_output_aligned_decl_common): New.
1174         (i386_pe_maybe_record_exported_symbol): Rename from
1175         i386_pe_record_exported_symbol; check for dllexported symbols.
1176
1177 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
1178
1179         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
1180         add comment explaining why vsnprintf cannot be used.
1181
1182 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
1183
1184         PR tree-optimization/30666
1185         * tree.c (build_complex_type): When creating type names for DWARF2
1186         debug info, create TYPE_DECLs for TYPE_NAME instead of
1187         IDENTIFIER_NODEs.
1188         (build_common_tree_nodes_2): Use build_complex_type when building
1189         predefined complex types, to preserve canonical types.
1190
1191 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
1192
1193         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
1194         (noce_get_alt_condition): Look at it to determine whether to
1195         reverse the condition or not.
1196         (noce_get_condition): Substitute the truth for lies.
1197         (noce_find_if_block): Set the then_else_reversed field.
1198
1199 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
1200
1201         * config/fr30/fr30.md (movdi): Do not accept immediates as the
1202         destination of this insn.
1203         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
1204         than calling gen_rtx_SET directly.  Use r0 to hold the value of
1205         'address + 4' rather than a stack based temporary which can be
1206         mis-optimized away.
1207
1208 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1209
1210         * config/s390/s390.c (s390_secondary_input_reload_class,
1211         s390_secondary_output_reload_class): Functions removed.
1212         (s390_secondary_reload): New function.
1213         (TARGET_SECONDARY_RELOAD): Target macro defined.
1214         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
1215         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
1216         * config/s390/s390.md ("reload_outti", "reload_outdi",
1217         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
1218         "reload_out<mode>"): Expanders removed.
1219         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
1220         "reload<mode>_nonoffmem_out"): Expanders added.
1221
1222 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1223
1224         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
1225         SRC->DEST replacement failed anyway.
1226
1227 2007-03-28  Mike Stump  <mrs@apple.com>
1228
1229         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
1230         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
1231         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
1232
1233 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1234
1235         * config.gcc: Accept barcelona as a variant of amdfam10.
1236         * config/i386/i386.c (override_options): Likewise.
1237         * doc/invoke.texi: Likewise.
1238
1239 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
1240
1241         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
1242         offsets for BIT_FIELD_REF and COMPONENT_REF.
1243
1244 2007-03-28  Richard Guenther  <rguenther@suse.de>
1245
1246         * tree.c (is_global_var): Move ...
1247         * tree-flow-inline.h (is_global_var): ... here.
1248         * tree.h (is_global_var): Remove declaration.
1249
1250 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
1251
1252         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
1253         option.
1254         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
1255         * config/i386/i386.c (ix86_tune_features): Initialize new
1256         tuning option.
1257         * config/i386/predicates.md (promotable_binary_operator): Use
1258         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
1259
1260 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1261
1262         PR target/31380
1263         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
1264
1265 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
1266
1267         * config/fr30/fr30.md (movsi_internal): Change destination
1268         constraint from m to V and add m to the end.
1269
1270 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1271
1272         * config/sh/sh.md (movsi_i): Fix type attribute.
1273
1274 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1275
1276         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
1277         (movsf_ie): Likewise.
1278
1279 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1280
1281         * config.gcc: Add sh4-300 to multilib.
1282         * config/sh/t-mlib-sh4-300: New file.
1283
1284 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1285
1286         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
1287         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
1288         fix_trunc<mode>di2.
1289         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
1290         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
1291         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
1292         "fixuns_trunctddi2"): Whitespace fix.
1293
1294 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
1295
1296         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
1297         the definition of struct sh_args.
1298         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
1299         CALL_COOKIE_INT_REG_GET): Likewise.
1300
1301 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
1302
1303         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
1304         transformations are applied successfully.
1305
1306 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
1307
1308         * tree.c (tree_contains_struct): Permit 512 tree codes.
1309         * tree.h (tree_contains_struct): Ditto.
1310         (MAX_TREE_CODES): Ditto.
1311         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
1312         SPARE member to store remaining padding bits.
1313
1314 2007-03-27  Anatoly Sokolov <aesok@post.ru>
1315
1316         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
1317         architecture.
1318
1319 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
1320
1321         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
1322         * configure: Regenerate.
1323
1324         * configure: Regenerate using the correct version of autoconf.
1325
1326 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
1327
1328         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
1329         pointer regs.
1330         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
1331         regs to "__SP_L__" and "__SP_H__".
1332
1333 2007-03-27  Richard Guenther  <rguenther@suse.de>
1334
1335         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
1336         computations with it with a HOST_WIDE_INT variable.
1337
1338 2007-03-26  Mike Stump  <mrs@apple.com>
1339
1340         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
1341         objective-c-header, objective-c++-header and objc++-cpp-output
1342         support.
1343         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
1344
1345 2007-03-26  Richard Henderson  <rth@redhat.com>
1346
1347         PR target/31361
1348         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
1349         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
1350         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
1351         IX86_BUILTIN_PSRLQ128): New.
1352         (ix86_init_mmx_sse_builtins): Add them.
1353         (ix86_expand_builtin): Expand them.
1354         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
1355         operand 2 be TImode.
1356         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
1357         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
1358         _mm_srli_epi64): Mark __B const.
1359         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
1360         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
1361         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
1362         new two-vector shift builtins.
1363
1364 2007-03-26  Ian Lance Taylor  <iant@google.com>
1365
1366         PR tree-optimization/31345
1367         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
1368         [+INF, +INF(OVF)] into VARYING.
1369
1370 2007-03-26  Zack Weinberg  <zackw@panix.com>
1371
1372         * gengtype-parse.c: New file.
1373         * gengtype-yacc.y: Delete.
1374         * gengtype-lex.l: Don't include gengtype-yacc.h.
1375         Define YY_DECL and yyterminate appropriately for recursive
1376         descent parser.  yylval is now a string out-parameter to yylex.
1377         (HWS, EOID): New shorthand.
1378         (IWORD): Add a couple more types.
1379         (yylex): Add a setup stanza.  Remove the complex rules for
1380         detecting GTY'ed types and typedefs; replace with simple
1381         keyword detectors.  Adjust everything for the changed
1382         definition of yylval.  Ignore all pp-directives, not just #define.
1383         (yyerror): Delete.
1384         (parse_file): Rename yybegin; do not call yyparse.
1385         (yyend): New.
1386         * gengtype.c (xasprintf): Export again.
1387         (this_file): New.  Use everywhere __FILE__ was being used.
1388         (get_lang_bitmap): Special case types defined in gengtype.c.
1389         (do_typedef, new_structure): Suppress definition of certain types.
1390         (new_structure): Improve diagnostics of duplicate definitions.
1391         Make sure location_s is associated with input.h.
1392         (nreverse_pairs, define_location_structures): New functions.
1393         (main): Improve tagging of kludge types.  Remove old kludges
1394         for input.h types; use define_location_structures.
1395         * gengtype.h: Update prototypes.  Define token codes here.
1396         * Makefile.in: Remove all references to gengtype-yacc.
1397         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
1398         and gengtype.
1399         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
1400         add GTY((skip)) to the field that's only conditionally there.
1401         * doc/install.texi: Document that Bison is no longer required
1402         unless building treelang.
1403
1404         * gengtype.c: Don't include gtyp-gen.h.
1405         (srcdir): Declare here.
1406         (base_files, lang_dir_names): Allocate dynamically.
1407         (gt_files, num_gt_files, num_lang_dirs): New globals.
1408         (measure_input_list, read_input_line, read_input_list)
1409         (set_lang_bitmap): New functions.
1410         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
1411         simplify, relying on read_input_list to set up the bitmaps.
1412         (main): Arguments are no longer unused.  Check for correct number
1413         of command line arguments, set srcdir and srcdir_len, then call
1414         read_input_list, before doing anything else.  No need to worry
1415         about duplicates in main loop.
1416         * configure.ac: Simplify the calculation of all_gtfiles.
1417         Put language tags in there.  Don't set or substitute
1418         all_gtfiles_files_langs or all_gtfiles_files_frags.
1419         * Makefile.in: Revamp the way gengtype is invoked, now that it
1420         takes a file on its command line with a much simpler format.
1421         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
1422         (GTFILES): Remove duplicates and C source files.
1423         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
1424         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
1425         * configure: Regenerate.
1426
1427         * gengtype.h: Remove all type definitions to gengtype.c; leave
1428         only definitions of options_p, type_p, and pair_p as opaque
1429         pointers.  Update prototypes.
1430         * gengtype.c: Many type definitions moved here from gengtype.h.
1431         Consolidate type definitions at the top of the file.
1432         (xvasprintf): Delete.
1433         (xasprintf): Make static.
1434         (create_nested_pointer_option): Add 'next' parameter.
1435         (create_field_all, create_field_at): New functions.
1436         (create_field): Now a thin wrapper around create_field_all.
1437         (create_optional_field): Rename create_optional_field_ and add
1438         line argument.  Original name is now a macro which supplies
1439         __LINE__.
1440         (oprintf): Use vsnprintf directly.
1441         (close_output_files): Use fatal rather than perror/exit.
1442         (note_def_vec, note_def_vec_alloc): Use create_field_at.
1443         (main): Set progname.  Don't use exit.
1444         * gengtype-yacc.y (struct_fields): Use create_field_at.
1445         (option, optionseqopt): Delete.
1446         (optionseq): Consolidate productions from option here so we
1447         can use the first argument to create_option.
1448
1449         * gengtype-lex.l: Distinguish unions from structures in the
1450         token type.  Don't call find_structure; return the tag as a string.
1451         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
1452         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
1453         Reorganize typedef_struct production accordingly.
1454         Use create_nested_ptr_option.
1455         * gengtype.c (create_nested_ptr_option): New function.
1456         * gengtype.h: Declare it.
1457
1458         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
1459         (string_type): Don't declare.
1460         (do_scalar_typedef): Declare.
1461         (create_scalar_type): Update prototype.
1462         * gengtype.c (string_type): Make static.
1463         (scalar_nonchar, scalar_char): New.
1464         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
1465         (resolve_typedef): Use scalar_nonchar for error recovery.
1466         (create_scalar_type): Remove name_len field.  Return scalar_char
1467         or scalar_nonchar as appropriate.
1468         (adjust_field_type): Look at scalar_is_char boolean to decide whether
1469         to use string_type.
1470         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
1471         whenever possible.
1472         (main): Initialize scalar_char and scalar_nonchar before calling
1473         gen_rtx_next.
1474         * gengtype-lex.l: Adjust for removal of second argument to
1475         create_scalar_type.  Use yylval.s instead of yylval.t when
1476         returning SCALAR.
1477         * gengtype-yacc.y: Type of SCALAR is string.  Call
1478         create_scalar_type from type:SCALAR rule.  Adjust for removal of
1479         second argument to create_scalar_type.
1480
1481         * vec.h: Remove all #if IN_GENGTYPE blocks.
1482         Add comment saying that changes may require adjustments to gengtype.
1483         * gengtype.c: Don't include coretypes.h or tm.h.
1484         Add comment to inclusion of errors.h.
1485         (note_def_vec, note_def_vec_alloc): New functions.
1486         * gengtype.h: Declare new functions.
1487         * gengtype-lex.l: Don't include coretypes.h.
1488         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
1489         Delete.
1490         (update_lineno): Remove unnecessary prototype.
1491         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
1492         (VEC rule): Just return VEC_TOKEN.
1493         * gengtype-yacc.y (VEC_TOKEN): New token type.
1494         (type): Add a production for VEC(a,b).
1495         * Makefile.in: Update dependencies.
1496
1497         * gengtype-lex.l: Remove rules for parsing pointer-to-function
1498         typedefs that use the old PARAMS macro.
1499
1500         * gengtype-lex.l: Remove all rules and states relating to yacc
1501         input files.
1502         * gengtype-yacc.y: Similarly.
1503         * gengtype.c (note_yacc_type): Delete function.
1504         * gengtype.h: Update prototypes.
1505
1506 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
1507
1508         * tree-pretty-print.c (dump_generic_node): Report precision of
1509         unnamed integer types.
1510
1511 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
1512
1513         * ifcvt.c (noce_try_store_flag_constants): Don't check
1514         no_new_pseudos here.
1515         (noce_try_store_flag_constants): Don't check no_new_pseudos.
1516         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
1517         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
1518         noce_try_sign_mask): Likewise.
1519         (if_convert): Check no_new_pseudos here.
1520
1521         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
1522         Remove prototypes.
1523         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
1524         (noce_get_condition): Handle new then_else_reversed argument.
1525         (noce_init_if_info): Remove, fold into noce_find_if_block.
1526         (noce_process_if_block): Take a struct noce_if_info as the
1527         argument.  Don't set up one based on ce_if_info.  Update pointer
1528         references accordingly.
1529         (cond_move_process_if_block): Likewise.
1530         (process_if_block): Removed.
1531         (find_if_block): Removed.  Move functionality two new functions,
1532         noce_find_if_block and cond_exec_find_if_block.
1533         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
1534         blocks and the symmetric IF-ELSE-JOIN case.
1535         (cond_exec_find_if_block): Also new function mostly based on old
1536         find_if_block and process_if_block.
1537         (find_if_header): Replace find_if_block call with separately
1538         guarded calls to noce_find_if_block and cond_exec_find_if_block.
1539         (find_cond_trap): Update noce_get_condition call.
1540         (dead_or_predicable): Likewise.
1541
1542 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
1543
1544         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
1545         Remove.
1546         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
1547         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
1548         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
1549         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
1550         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
1551         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
1552         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
1553         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
1554         __builtin_ia32_psrad128 builtins.
1555
1556 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
1557
1558         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
1559         * config/i386/constraints.md
1560         (define_constraint "I"): Use IN_RANGE macro.
1561         (define_constraint "J"): Ditto.
1562         (define_constraint "K"): Ditto.
1563         (define_constraint "M"): Ditto.
1564         (define_constraint "N"): Ditto.
1565         (define_constraint "O"): Ditto.
1566         * config/i386/predicates.md
1567         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
1568         (define_predicate "const_0_to_3_operand"): Ditto.
1569         (define_predicate "const_0_to_7_operand"): Ditto.
1570         (define_predicate "const_0_to_15_operand"): Ditto.
1571         (define_predicate "const_0_to_63_operand"): Ditto.
1572         (define_predicate "const_0_to_255_operand"): Ditto.
1573         (define_predicate "const_1_to_31_operand"): Ditto.
1574         (define_predicate "const_2_to_3_operand"): Ditto.
1575         (define_predicate "const_4_to_7_operand"): Ditto.
1576
1577 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
1578
1579         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
1580         in SImode for save_world.
1581         * config/rs6000/altivec.md (save_world, restore_world): Convert to
1582         LR hard reg.
1583
1584 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
1585
1586         PR tree-optimization/30784
1587         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
1588         BIT_FIELD_REF.
1589
1590 2007-03-25  Revital Eres  <eres@il.ibm.com>
1591
1592         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
1593           Fold movement_possibility function into it.
1594
1595 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
1596
1597         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
1598         (load_macho_picbase_{si,di}): Convert to LR hard reg.
1599         (call_indirect_nonlocal_darwin64): Same.
1600         (call_nonlocal_darwin64): Same.
1601         (call_value_indirect_nonlocal_darwin64): Same.
1602         (call_value_nonlocal_darwin64): Same.
1603         (sibcall_nonlocal_darwin64): Same.
1604         (sibcall_value_nonlocal_darwin64): Same.
1605         (sibcall_symbolic_64): Same.
1606         (sibcall_value_symbolic_64): Same.
1607         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
1608         LR pseudo.
1609         (rs6000_emit_load_toc_table): Same.
1610         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
1611         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
1612         (mull_call): Same.
1613         (divss_call): Same.
1614         (divus_call): Same.
1615         (quoss_call): Same.
1616         (quous_call): Same.
1617         (load_toc_v4_pic_si): Same
1618         (load_toc_v4_PIC_1): Same.
1619         (load_toc_v4_PIC_1b): Same.
1620         (call_indirect_aix{32,64}): Same.
1621         (call_value_indirect_aix{32,64}): Same.
1622         (call): Same.
1623         (call_value): Same.
1624         (call_local{32,64}): Same.
1625         (call_value_local{32,64}): Same.
1626         (call_indirect_nonlocal_aix{32,64}): Same.
1627         (call_nonlocal_aix{32,64}): Same.
1628         (call_value_indirect_nonlocal_aix{32,64}): Same.
1629         (call_value_nonlocal_aix{32,64}): Same.
1630         (call_indirect_nonlocal_sysv<mode>): Same.
1631         (call_nonlocal_sysv<mode>): Same.
1632         (call_value_indirect_nonlocal_sysv<mode>): Same.
1633         (call_value_nonlocal_sysv<mode>): Same.
1634         (sibcall): Same.
1635         (sibcall_local{32,64}): Same.
1636         (sibcall_value_local{32,64}): Same.
1637         (sibcall_nonlocal_aix{32,64}): Same.
1638         (sibcall_value_nonlocal_aix{32,64}): Same.
1639         (sibcall_nonlocal_sysv<mode>): Same.
1640         (sibcall_value): Same.
1641         (sibcall_value_nonlocal_sysv<mode>): Same.
1642
1643 2007-03-24  Paul Brook  <paul@codesourcery.com>
1644
1645         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
1646         * config/arm/linux-eabi.h: Remove legacy syscall hack.
1647
1648 2007-03-24  Richard Henderson  <rth@redhat.com>
1649
1650         * config/ia64/constraints.md: New file.
1651         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
1652         satisfies_constraint_?.
1653         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
1654         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
1655         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
1656         ia64_output_mi_thunk): Likewise.
1657         (ia64_const_ok_for_letter_p): Remove.
1658         (ia64_const_double_ok_for_letter_p): Remove.
1659         (ia64_extra_constraint): Remove.
1660         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
1661         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
1662         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
1663         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
1664         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
1665         EXTRA_MEMORY_CONSTRAINT): Remove.
1666         * config/ia64/ia64.md: Include constriants.md.  Replace
1667         CONST_OK_FOR_? with satisfies_constraint_?.
1668
1669 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
1670             H.J. Lu  <hongjiu.lu@intel.com>
1671
1672         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
1673         DPD or BID name.
1674         (name macros): Use DPD_BID_NAME to convert names properly.
1675
1676         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
1677         decimal floating point format.
1678         (init_floating_libfuncs): Change decimal functions so that they
1679         have a "bid_" prefix if the decimal system uses the BID format,
1680         and "dpd_" prefix if the decimal system uses the DPD format.
1681         (init_interclass_conv_libfuncs): Ditto.
1682         (init_intraclass_conv_libfuncs): Ditto.
1683
1684         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
1685         using the BID format.
1686
1687         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
1688         whether we are using the BID decimal format.
1689         * configure: Regenerate.
1690
1691         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
1692         the compiler has decimal floating point enabled.  Define
1693         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
1694         instead of DPD.
1695
1696         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
1697         using the BID format.
1698
1699         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
1700         whether we are using the BID decimal format.
1701         * configure: Regenerate.
1702
1703         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
1704         the compiler has decimal floating point enabled.  Define
1705         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
1706         instead of DPD.
1707
1708         * doc/install.texi (--enable-decimal-float): Document BID and DPD
1709         options, and that it is enabled for i386/x86_64 systems.
1710
1711         * Makefile.in (enable_decimal_float): New.
1712         (DECNUMFMT): New.
1713         (DECNUMINC): Add  -I$(DECNUMFMT).
1714         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
1715         to $(DECNUMFMT) from $(DECNUM).
1716
1717         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
1718         Substitute enable_decimal_float.
1719         * configure: Regenerated.
1720
1721         PR other/30529
1722         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
1723         unsigned long.
1724
1725         * configure.ac: Enable decimal float for x86_64-*-linux*.
1726         * configure: Regenerated.
1727
1728         PR other/30530
1729         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
1730         decimal128ClearSign to flip and clear the sign bit in decimal128.
1731         (decimal_real_maxval): Set decimal128SetSign to set the sign
1732         bit in decimal128.
1733
1734 2007-03-23  Ian Lance Taylor  <iant@google.com>
1735
1736         * fold-const.c (fold_binary): Correct warning for X - c >= X.
1737
1738 2007-03-23  Ian Lance Taylor  <iant@google.com>
1739
1740         * tree-dump.c (dump_files): Correct comment.
1741
1742 2007-03-23  Ian Lance Taylor  <iant@google.com>
1743
1744         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
1745
1746 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
1747
1748         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
1749         in cfglayout mode.  Don't go into and out of cfglayout mode.
1750         Link the blocks in the order of the constructed traces.
1751         (rest_of_handle_tracer): Adjust call to tracer.
1752         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
1753         Don't go into cfglayout mode.
1754         (rtl_loop_done): Don't go out of cfglayout mode.
1755         * cfglayout.c (relink_block_chain): New function, split out from...
1756         (fixup_reorder_chain): ...here.  Remove redundant checking.
1757         (cfg_layout_finalize): Don't clear the header, footer, and aux
1758         fields here, move the code to do so to relink_block_chain.  Likewise
1759         for free_original_copy_tables.
1760         * rtl.h (tracer): Update prototype.
1761         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
1762         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
1763         mode.  Use relink_block_chain to serialize the CFG according to the
1764         new basic block order.  Move targetm.cannot_modify_jumps_p check from
1765         here...
1766         (gate_handle_reorder_blocks): ...to here.
1767         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
1768         from here...
1769         (gate_duplicate_computed_gotos): ...to here.
1770         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
1771         something always changes when going into and out of cfglayout mode.
1772         Perform an expensive cfg cleanup while going into cfglayout mode.
1773         Always update liveness information on HAVE_conditional_execution
1774         targets.  Reserialize the basic blocks and go out of cfglayout mode.
1775         * reg-stack.c: Include cfglayout.h.
1776         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
1777         the call to reorder_basic_blocks.
1778         * basic-block.h (reorder_basic_blocks): Update prototype.
1779         (relink_block_chain): New prototype.
1780         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
1781
1782 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
1783
1784         * config/mips/mips.md (type, hazard, *movdi_32bit,
1785         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
1786         *movhi_internal, *movqi_internal, *movsf_hardfloat,
1787         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
1788         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
1789         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
1790         applicable.
1791         (movcc): Change first xfer to multi.
1792         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
1793         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
1794         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
1795         config/mips/generic.md: Change reservations using "xfer" to use
1796         "mfc,mtc".
1797         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
1798         using match_operand.
1799         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
1800         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
1801         examining mode.
1802         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
1803
1804 2007-03-22  Richard Henderson  <rth@redhat.com>
1805
1806         * config/i386/i386.c: Remove unnecessary function declarations.
1807         Move targetm definition, and all related macros, to the end of
1808         the file.  Resort some functions to put definitions before uses.
1809         (ix86_attribute_table): Make static.  Move to end of file.
1810         (ix86_gimplify_va_arg): Make static.
1811
1812 2007-03-22  Richard Henderson  <rth@redhat.com>
1813
1814         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
1815         don't increase local_regparm with force_align_arg_pointer check.
1816         (ix86_function_sseregparm): Assert 32-bit.
1817         (type_has_variadic_args_p): New.
1818         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
1819         type_has_variadic_args_p.
1820         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
1821         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
1822         use memset instead.  Do maybe_vaarg check first; skip attribute
1823         tests if true; skip attribute tests for 64-bit.
1824         (construct_container): Remove TARGET_DEBUG_ARG.
1825         (function_arg_advance_32, function_arg_advance_64): Split out ...
1826         (function_arg_advance): ... from here.
1827         (function_arg_32, function_arg_64): Split out ...
1828         (function_arg): ... from here.
1829         (ix86_pass_by_reference): Tidy.
1830         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
1831         (function_value_32): New, from parts of ix86_function_value
1832         and ix86_value_regno.
1833         (function_value_64): New, from parts of ix86_function_value
1834         and ix86_libcall_value.
1835         (ix86_function_value_1): New.
1836         (ix86_function_value, ix86_libcall_value): Use it.
1837         (return_in_memory_32, return_in_memory_64): Split out ...
1838         (ix86_return_in_memory): ... from here.
1839         (ix86_struct_value_rtx): Skip for 64-bit.
1840         (ix86_libcall_value, ix86_value_regno): Remove.
1841         (setup_incoming_varargs_64): Split out ...
1842         (ix86_setup_incoming_varargs): ... from here.
1843         (ix86_va_start): Remove TARGET_DEBUG_ARG.
1844         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
1845         * config/i386/i386-protos.h (ix86_function_value): Remove.
1846         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
1847
1848 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1849
1850         PR other/23572
1851         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
1852         infinities not supported, otherwise emit warning if -Woverflow. On
1853         underflow, emit warning if -Woverflow.
1854         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
1855         and 0 otherwise.
1856         * real.h (real_from_string): Update declaration
1857
1858 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
1859             Richard Henderson  <rth@redhat.com>
1860
1861         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
1862         * calls.c (compute_argument_block_size, expand_call,
1863         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
1864         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
1865         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
1866         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
1867         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
1868         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
1869         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
1870         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
1871         Set to 1.
1872
1873 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
1874
1875         * c-incpath.c (add_sysroot_to_chain): New.
1876         (merge_include_chains): Add sysroot argument.  Call
1877         add_sysroot_to_chain if sysrooted.
1878         (register_include_chains): Update call to merge_include_chains.
1879         * doc/cppopts.texi: Document use of '=' in include directory
1880         arguments.
1881
1882 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
1883
1884         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
1885         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
1886         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
1887         insn pattern using X87MODEF12 mode macro.
1888
1889 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
1890
1891         * regmove.c (regmove_optimize): Use reg_mentioned_p
1892         instead of reg_overlap_mentioned_p for DST.
1893
1894 2007-03-21  Mike Stump  <mrs@apple.com>
1895
1896         * c.opt: Fixup for Objective-C/C++.
1897
1898 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
1899
1900         * explow.c (convert_memory_address): Fold memory reference when
1901         POINTERS_EXTEND_UNSIGNED < 0
1902
1903 2007-03-21  Richard Henderson  <rth@redhat.com>
1904
1905         PR target/31245
1906         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
1907         * config/i386/mmintrin.h (__m64): Likewise.
1908         * config/i386/xmmintrin.h (__m128): Likewise.
1909
1910 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1911
1912         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
1913         (VXWORKS_OS_CPP_BUILTINS): Define.
1914         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
1915         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
1916
1917 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1918
1919         * rtl.h (constant_pool_reference_p): Delete.
1920         (find_constant_src): Declare.
1921         * rtlanal.c (find_constant_src): New function.
1922         * simplify-rtx.c (constant_pool_reference_p): Delete.
1923         * config/i386/i386.md: Use find_constant_src instead of
1924         constant_pool_reference_p/avoid_constant_pool_reference pairs.
1925
1926 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1927
1928         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
1929         * c-cppbuiltin.c (c_cpp_builtins): Define them.
1930
1931 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
1932
1933         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
1934         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
1935         (arm_elf_asm_constructor): Use it.
1936         (arm_elf_asm_destructor): New function.
1937
1938 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
1939
1940         * jump.c (mark_jump_label): Treat SEQUENCE specially.
1941
1942 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
1943
1944         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
1945
1946 2007-03-19  Andrew Haley  <aph@redhat.com>
1947
1948         PR tree-optimization/31264
1949         * tree-vrp.c (register_edge_assert_for_1): Don't look though
1950         VIEW_CONVERT_EXPRs.
1951
1952 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
1953
1954         PR rtl-optimization/30907
1955         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
1956         (fwprop_init): Always call loop_optimizer_initialize.
1957         (fwprop_done): Always call loop_optimizer_finalize.
1958         (fwprop): We always have loop info now.
1959         (gate_fwprop_addr): Remove.
1960         (pass_fwprop_addr): Use gate_fwprop as gate.
1961
1962         PR rtl-optimization/30841
1963         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
1964         df_chain_alloc): Call df_reorganize_refs unconditionally.
1965         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
1966         refs_organized to refs_organized_size.
1967         (df_ref_create_structure): Use refs_organized_size instead of
1968         bitmap_size if refs had been organized, and keep refs_organized_size
1969         up-to-date.
1970         * df.h (struct df_ref_info): Change refs_organized to
1971         refs_organized_size.
1972         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
1973         bitmap_size.
1974
1975 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
1976
1977         * except.c (output_function_exception_table): Do not reference the
1978         EH personality routine for functions that do not require an
1979         exception table.
1980
1981 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
1982
1983         PR c/30762
1984         * c-typeck.c (convert_for_assignment): Call comptypes for
1985         RECORD_TYPE or UNION_TYPE.
1986
1987         PR inline-asm/30505
1988         * reload1.c (reload): Do invalid ASM checking after
1989         cleanup_subreg_operands.
1990
1991 2007-03-19  Jeff Law  <law@redhat.com>
1992
1993         * tree-cfg.c (find_taken_edge): Tighten conditions for
1994         optimizing computed gotos.
1995
1996 2007-03-19  Michael Matz  <matz@suse.de>
1997
1998         * builtins.c (expand_builtin_sync_operation,
1999         expand_builtin_compare_and_swap,
2000         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
2001         correctly.
2002
2003         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
2004         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
2005         for operand 3.
2006
2007 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2008
2009         * doc/tm.texi: Add brackets around the return type of
2010         TARGET_SECONDARY_RELOAD.
2011
2012 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2013         Richard Guenther  <rguenther@suse.de>
2014
2015         PR tree-optimization/31254
2016         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
2017         Use handled_component_p () where appropriate.  Continue
2018         propagating into the rhs if we propagated into an INDIRECT_REF
2019         on the lhs.
2020
2021 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2022
2023         * config/s390/s390.md (op_type attribute): RRR instruction type added.
2024         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
2025         (xde, xdee): Mode attributes adjusted to support DFP modes.
2026         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
2027         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
2028         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
2029         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
2030         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
2031         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
2032         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
2033         numbers.
2034         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
2035         "movsf"): Insn definitions removed.
2036         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
2037         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
2038         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
2039         definitions added.
2040         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
2041         "reload_in<mode>", "reload_out<mode>"): Expander added.
2042         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
2043         Expander removed.
2044
2045 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2046
2047         * config/s390/s390.md: Only non-functional changes.  Renamed
2048         FPR mode macro to BFP all over the file.
2049
2050 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2051
2052         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
2053         (op_type attribute): RRF instruction type added.
2054         (fT0): New mode attribute.
2055         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
2056         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
2057         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
2058         no secondary memory is needed when moving DFmode values between GPRs
2059         and FPRs.
2060
2061 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2062
2063         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
2064         inverted and documentation adjusted.
2065         ("mhard-dfp", "msoft-dfp"): New options.
2066         * config/s390/s390.c (s390_handle_arch_option): New architecture
2067         switch: z9-ec.
2068         (override_options): Sanity checks for the new options added.
2069         * config.gcc: New architecture switch: z9-ec.
2070         * config/s390/s390.h (processor_flags): PF_DFP added.
2071         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
2072         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
2073         when the bit is NOT set so remove it from the defaults.
2074
2075 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2076
2077         * genemit.c (main): Print include statement for dfp.h.
2078         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
2079         is not available.
2080
2081 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
2082
2083         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
2084
2085 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
2086
2087         PR target/31022
2088         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
2089         instead of PATTERN.
2090
2091 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2092
2093         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
2094         attr_length_call, output_call, output_indirect_call): Cleanup
2095         formatting of targetm calls.
2096
2097 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
2098
2099         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
2100
2101 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2102
2103         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
2104         reservation, bypass and anti-bypass descriptions for these instructions.
2105         Update move patterns.
2106         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
2107         TYPE_FPSTORE.
2108
2109 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
2110
2111         * tree-vect-transform.c (get_initial_def_for_induction): Replace
2112         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
2113         (get_initial_def_for_reduction): Likewise.
2114
2115 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
2116
2117         Fix PR tree-optimization/29922
2118         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
2119         (get_representative): Removed.
2120         (value_dies_in_block_x): Update for rvuse removal.
2121         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
2122         (compute_antic_aux): Handle when PHI nodes appear in
2123         non-single-successors.
2124         (dump_bitmap_of_names): Removed.
2125         (compute_antic_safe): Renamed and removed rvuse calculation.
2126         Calculate only antic safe.
2127         (insert_into_preds_of_block): Remove assert.
2128         (execute_pre): Update for renamed functions.
2129         (defer_or_phi_translate_block): New function.
2130
2131 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
2132
2133         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
2134         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
2135         typos.
2136         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
2137         Follow spelling conventions.
2138
2139         * tree-data-ref.h: Remove the prototype for analyze_array.
2140
2141 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
2142
2143         PR tree-optimization/31041
2144         * tree-vect-transform.c (get_initial_def_for_induction): Call
2145         force_gimple_operand.
2146
2147 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
2148
2149         * ipa-type-escape.c (look_for_casts) : Revert code to use
2150         handled_component_p due to ada test a-numaux.adb.
2151
2152 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
2153
2154         * final.c (final_scan_insn): Alter the condition of a
2155         conditional trap if we have nonstandard CC.
2156
2157 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2158
2159         * configure.ac: Remove excess quoting from asm line 0 test.
2160         * configure: Rebuilt.
2161
2162 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2163
2164         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
2165         * c-common.c (convert_and_check): Move warning logic to...
2166         (warnings_for_convert_and_check): ...here. Define.
2167         * c-common.h (warnings_for_convert_and_check): Declare.
2168
2169 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2170
2171         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
2172         (output_call): Likewise.
2173
2174 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
2175
2176         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
2177
2178 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
2179
2180         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
2181
2182 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
2183
2184         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
2185         opteron, athlon-64 and athlon-fx processor_alias_table entries.
2186
2187 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
2188
2189         PR tree-optimization/31183
2190         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
2191         Use double_int instead of unsigned int for representing access_strides.
2192         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
2193
2194 2007-03-16  Richard Guenther  <rguenther@suse.de>
2195
2196         PR tree-optimization/31146
2197         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
2198         to allow recursion of forward_propagate_addr_expr.
2199         (forward_propagate_addr_into_variable_array_index): Likewise.
2200         (forward_propagate_addr_expr): Likewise.
2201         (tree_ssa_forward_propagate_single_use_vars): Likewise.
2202         (forward_propagate_addr_expr_1): Recurse on simple copies
2203         instead of propagating into them.  Do so for useless conversions
2204         as well.
2205         (forward_propagate_addr_expr): Clean up unused statements after
2206         recursion.
2207
2208 2007-03-16  Richard Guenther  <rguenther@suse.de>
2209
2210         * builtins.c (expand_builtin_cexpi): Use the right argument
2211         for the expansion via cexp.
2212
2213 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2214
2215         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
2216         * configure: Rebuilt.
2217
2218 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2219
2220         PR debug/29906
2221         * dwarf2out.c (force_type_die): Adjust comment.
2222         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
2223
2224 2007-03-15  DJ Delorie  <dj@redhat.com>
2225
2226         * config/frv/predicates.md (minmax_operator): Don't check operands
2227         here.
2228
2229 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
2230
2231         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
2232         Update constant estimates of number of iterations.
2233         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
2234         argument renamed to "realistic".
2235         (compute_estimated_nb_iterations): Removed.
2236         (record_niter_bound): New function.
2237         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
2238         call record_nonwrapping_iv with upper = false.
2239         (infer_loop_bounds_from_signedness): Pass upper argument to
2240         record_nonwrapping_iv.
2241         (estimate_numbers_of_iterations_loop): Do not call
2242         compute_estimated_nb_iterations.  Record estimate based on profile
2243         information.  Initialize the constant estimates of number of
2244         iterations.
2245         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
2246         estimates.
2247         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
2248         number of iterations is too small.
2249         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
2250         (EST_NOT_AVAILABLE): Removed.
2251         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
2252         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
2253         fields.
2254
2255 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
2256
2257         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
2258         Handle NE_EXPR guards.
2259
2260 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2261
2262         PR c++/24924
2263         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
2264         Set also -pedantic-errors by default for the  preprocessor unless
2265         -fpermissive is given.
2266
2267 2007-03-15  Richard Guenther  <rguenther@suse.de>
2268
2269         PR middle-end/29719
2270         PR middle-end/31161
2271         * builtins.c (expand_builtin_cexpi): As a fallback if we
2272         don't have builtins for sincos or cexp create a function
2273         declaration for cexp and expand to a call to that.
2274         (expand_builtin_int_roundingfn): Always fall
2275         back to floor/ceil and its variants even if they may be
2276         not available.
2277
2278 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
2279
2280         PR middle-end/31159
2281         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
2282         jump tables, move the call to delete_dead_jumptables from here...
2283         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
2284         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
2285         don't allow merging of blocks that try_redirect_by_replacing_jump
2286         also does not handle when not optimizing.
2287
2288 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
2289             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2290
2291         * config/i386/i386.md (x86_sahf_1): Correctly handle
2292         HAVE_AS_IX86_SAHF.
2293
2294 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
2295
2296         PR target/31167
2297         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
2298         x86_64_general_operand as operand[2] predicate.  Remove "iF"
2299         from operand constraints and use "e" constraint instead.
2300         (*subti3_1, *subti3_1 splitter): Ditto.
2301         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
2302         operand[1] predicate.
2303
2304 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
2305
2306         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
2307         arrays, multiply the access strides by the size of the sub-array.
2308         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
2309
2310 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
2311
2312         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
2313         the configured assembler supports the sahf mnemonic.
2314         * configure: Regenerate.
2315         * config.in: Regenerate.
2316
2317         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
2318         emit "sahf" or ".byte\t0x9e" as asm template.
2319
2320 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
2321
2322         PR 31018
2323         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
2324         option to replace hard coded TARGET_xxx in md file.
2325         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
2326         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
2327         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
2328         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
2329         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
2330         (X86_TUNE_NOT_VECTORMODE): Ditto.
2331         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
2332         (TUNE_AVOID_VECTOR_DECODE): Ditto.
2333         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
2334         (TUNE_SLOW_IMUL_IMM8): Ditto.
2335         (TUNE_MOVE_M1_VIA_OR): Ditto.
2336         (TUNE_NOT_UNPAIRABLE): Ditto.
2337         (TUNE_NOT_VECTORMODE): Ditto.
2338
2339         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
2340         options.
2341
2342         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
2343         tuning options instead of hard coded TARGET_xxx.
2344         (fix ssemode peephole2's): Ditto.
2345         (imul peephole2's): Ditto.
2346         (movsi_or): Ditto.
2347         (movdi_or_rex64): Ditto.
2348         (move peephole2): Ditto.
2349         (not peephole2's): Ditto.
2350
2351 2007-03-14  Dirk Mueller  <dmueller@suse.de>
2352
2353         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
2354         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
2355         * c-parser.c (c_parser_if_body): Always add an empty statement in case
2356         of empty body.
2357         * c-parser.c (c_parser_do_statement): Warn about empty body in
2358         do/while statement.
2359         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
2360         * doc/invoke.texi (-Wempty-body): Update documentation.
2361
2362 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2363
2364         PR c/21438
2365         * c-common.h (warn_for_div_by_zero): Declare.
2366         * c-common.c (warn_for_div_by_zero): Define.
2367         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
2368         warning.
2369
2370 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2371
2372         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
2373         to PREFIX and STANDARD_PREFIX.
2374
2375 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2376             Phil Edwards  <phil@codesourcery.com>
2377
2378         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
2379         (__gthread_once_t): Remove busy field for RTPs.
2380         (__GTHREAD_ONCE_INIT): Update accordingly.
2381
2382 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2383
2384         * doc/invoke.texi: Document VxWorks options.
2385
2386 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
2387
2388         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
2389
2390 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
2391
2392         PR tree-optimization/30590
2393         * tree-nrv.c (tree_nrv): Check for the partial update of the
2394         return value.
2395
2396 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
2397
2398         * flags.h (flag_random_seed): Remove declaration, in favor of...
2399         * toplev.h (get_random_seed, set_random_seed): ... these.
2400         * tree.c (get_file_function_name): Use the former.
2401         * opts.c (common_handle_option): Use the latter.
2402         * toplev.c
2403
2404 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
2405
2406         PR middle-end/31127
2407         * cse.c (cse_find_path): Do not bail out if a basic block that
2408         we already visited now becomes part of a path that starts at a
2409         different basic block.  Just disallow this, to make sure we
2410         visit each basic block at most once.
2411
2412 2007-03-13  Jan Hubicka  <jh@suse.cz>
2413
2414         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
2415         when profile esitmate is present, calls with very low frequency are
2416         cold.
2417
2418 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
2419
2420         PR tree-optimization/30730
2421         PR tree-optimization/26900
2422         * tree-ssa-loop-niter.c: Include gmp.h.
2423         (bounds): New type.
2424         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
2425         split_to_var_and_offset, determine_value_range,
2426         bound_difference_of_offsetted_base, refine_bounds_using_guard,
2427         bound_difference, bounds_add, bounds_negate,
2428         number_of_iterations_ne_max, dump_affine_iv): New functions.
2429         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2430         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
2431         difference of initial and final value of control iv to validate
2432         results.
2433         (number_of_iterations_cond): Add loop parameter.  Determine bounds
2434         on the difference of the extremes of the control iv.  Add dumps.
2435         (expand_simple_operations): Handle phi nodes.
2436         (simplify_using_initial_conditions): Do not record used conditions.
2437         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
2438         Do not set additional_info.
2439         (implies_nonnegative_p, implies_ge_p): Removed.
2440         (derive_constant_upper_bound): Do not use parameter `additional'.
2441         (record_estimate): Parameter `additional' removed.  Parameter
2442         `i_bound' added.  Do not call derive_constant_upper_bound.
2443         (record_nonwrapping_iv): Use derive_constant_upper_bound to
2444         bound the number of iterations estimate.
2445         (estimate_numbers_of_iterations_loop): Pass the estimate from
2446         the number of iterations analysis to record_estimate.
2447         * tree.h (multiple_of_p): Declare.
2448         * tree-scalar-evolution.c (expression_expensive_p): Removed.
2449         (scev_const_prop): Do not check expression_expensive_p.
2450         * fold-const.c (multiple_of_p): Exported.
2451         * double-int.c (double_int_mask): Exported.
2452         * double-int.h (double_int_mask): Declare.
2453         * tree-flow.h (struct tree_niter_desc): Removed additional_info
2454         field.  Added max field.
2455
2456 2007-03-13  David Taylor  <taylor@candd.org>
2457
2458         PR driver/12448:
2459         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
2460         default -MQ.
2461
2462 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2463
2464         PR target/31123
2465         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
2466         two unamed patterns.
2467
2468 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
2469
2470         * config/i386/i386.opt (mcx16, msahf): New options.
2471         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
2472         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
2473
2474         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
2475         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
2476         Output -mcx16 and -msahf options when corresponding bit is set.
2477
2478         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
2479         and -msahf options.
2480
2481 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
2482
2483         * configure.ac: Test for assembler tolerance to # 0 "".
2484         * configure, config.in: Rebuilt.
2485         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
2486
2487 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
2488
2489         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
2490
2491         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
2492         (handle_syscall): Handle direct system calls.
2493         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
2494
2495 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
2496
2497         * doc/invoke.texi: Fix cpp.info cross-reference.
2498         * doc/passes.texi: Fix gcc.info cross-reference.
2499
2500 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
2501
2502         PR tree-optimization/30835
2503         * lambda-code.c (can_convert_to_perfect_nest): Check whether
2504         bb_for_stmt is not NULL before accessing it.
2505
2506 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
2507
2508         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
2509         some multilibs.
2510
2511 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
2512
2513         PR 30635
2514         * doc/install.texi: Document --enable-stage1-languages
2515
2516 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
2517
2518         * tree-pass.h (pass_into_cfg_layout_mode,
2519         pass_outof_cfg_layout_mode): Declare.
2520         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
2521         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
2522         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
2523         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
2524
2525 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
2526
2527         * c-decl.c (warn_variable_length_array): New function.
2528         Refactored from grokdeclarator to handle warn_vla
2529         and handle unnamed array case.
2530         (grokdeclarator): Refactored VLA warning case.
2531         * c.opt (Wvla): New flag.
2532         * doc/invoke.texi (Wvla): New warning.
2533
2534 2007-03-12  Richard Henderson  <rth@redhat.com>
2535
2536         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
2537         (TARGET_SECTION_TYPE_FLAGS): New.
2538
2539 2007-03-12  Richard Henderson  <rth@redhat.com>
2540
2541         * config/darwin.c (machopic_reloc_rw_mask): New.
2542         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
2543         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
2544
2545 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
2546
2547         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
2548         * cppdefault.h (cpp_PREFIX): Document.
2549         (cpp_PREFIX_len): Likewise.
2550         (cpp_EXEC_PREFIX): New variable.
2551         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
2552         * c-incpath.c (add_standard_paths): Correct logic for relocating
2553         paths within prefix.
2554
2555 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
2556
2557         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
2558         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
2559         mode macro.
2560         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
2561         fix_truncdfdi_sse using SSEMODEF mode macro.
2562         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
2563         fix_truncdfsi_sse using SSEMODEF mode macro.
2564         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
2565         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
2566
2567 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
2568
2569         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
2570         elfos.h to tm_file.
2571
2572 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
2573
2574         * tree.h : Add multiple_of_p declaration.
2575         * fold-const.c (multiple_of_p): Make multiple_of_p public.
2576         * ipa-type-escape.c (results_of_malloc): Redundant.
2577         (visited_stmts): New. Visited stmt for walk_use_def_chains.
2578         (cast_type): Extended with new members.
2579         (check_cast): Returns cast_type.
2580         (cast): New structure for data of walk_use_def_chains.
2581         (is_malloc_result, is_cast_from_non_pointer_1,
2582         is_cast_from_non_pointer,
2583         is_array_access_through_pointer_and_index): New functions.
2584         (look_for_casts): Returns cast types.
2585         (check_call): Returns void.
2586         (okay_pointer_operation): Use support of pointer plus index,
2587         pointer plus constant and allow all multiplications.
2588
2589 2007-03-11  Richard Guenther  <rguenther@suse.de>
2590
2591         PR tree-optimization/31115
2592         * tree-vrp.c (extract_range_from_binary_expr): Make sure
2593         the shift count is positive and non-anti-range for RSHIFT_EXPR.
2594         A shift count of zero is not special as with *_DIV_EXPR.
2595         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
2596         direction.
2597
2598 2007-03-11  Ian Lance Taylor  <iant@google.com>
2599
2600         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
2601         the *_DIV_EXPR codes correctly with overflow infinities.
2602
2603 2007-03-11  Ira Rosen  <irar@il.ibm.com>
2604
2605         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
2606         indicate success/failure of the analysis. Add negation to subtrahend
2607         in case of subtraction. Fail if both operands contain constants.
2608         (create_data_ref): Fail if analyze_offset fails.
2609
2610 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
2611
2612         * config/i386/i386.md (frndintxf2): Rename to ...
2613         (rintxf2): ... this. Remove expander having same name.
2614         (rintsf2, rintdf2): Implement using SSEMODEF macro.
2615         (roundsf2, rounddf2): Ditto.
2616         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
2617         (lround<mode>di2, lround<mode>si2): Ditto.
2618
2619 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
2620
2621         * lower-subreg.c: Include except.h.
2622         (decompose_multiword_subregs): Verify that the only control flow
2623         insns we can split are loads to multi-words pseudos.
2624         Handle breaking such blocks after splitting, instead of calling
2625         find_many_sub_basic_blocks.
2626
2627         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
2628         on the new basic block.  Add a lengthy comment explaining why we
2629         thought this was necessary.
2630         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
2631
2632 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
2633
2634         PR c++/30924
2635         * tree.c (walk_type_fields): Recurse into the element type of
2636         ARRAY_TYPEs if there is a pointer set.
2637
2638 2007-03-10  Dirk Mueller  <dmueller@suse.de>
2639
2640         * c-common.c (warn_logical_operator): Fix condition.
2641
2642 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
2643
2644         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
2645         quotation mark.
2646         * config/darwin.c (machopic_select_section): Remove superfluous
2647         argument in call to categorize_decl_for_section.  Remove unused
2648         variable shlib.
2649
2650 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
2651
2652         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
2653         defined.
2654         * configure: Regenerate.
2655
2656 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
2657
2658         PR target/31101
2659         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
2660         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
2661         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
2662         Add LABEL_NUSES to emitted label.
2663         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
2664         branch probability value to emitted jump insn.
2665         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
2666         Do not check life information and do not re-arrange input operands
2667         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
2668
2669 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2670
2671         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
2672         the change of decode_asm_operands.
2673
2674 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2675
2676         * mode-switching.c (create_pre_exit): Skip blockage insn.
2677
2678 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
2679
2680         * tree-pass.h (TODO_update_smt_usage): Remove.
2681         Update all users.
2682         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
2683         argument SOME.
2684         Update all users.
2685
2686 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2687
2688         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
2689         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
2690         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
2691         SOM target.
2692
2693 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
2694
2695         * gcc.c: Document %{, in big comment at top.
2696         (input_suffix_matches): Remove special handling for .s and
2697         .S.
2698         (input_spec_matches): New.
2699         (handle_braces): Handle %{,.
2700         (validate_switches): ',' indicates a value which is not a switch.
2701         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
2702         to detect assembler input.
2703         * config/i386/sol2.h (CPP_SPEC): Likewise.
2704         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
2705         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2706         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
2707         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
2708         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
2709         -m64 causes deployment target to default to 10.5.
2710         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
2711
2712 2007-03-09  Richard Henderson  <rth@redhat.com>
2713
2714         PR target/26090
2715         * target.h (targetm.asm.out.reloc_rw_mask): New.
2716         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
2717         (TARGET_ASM_OUT): Use it.
2718         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
2719         * varasm.c (categorize_decl_for_section): Remove shlib argument;
2720         use the new reloc_rw_mask target hook instead.
2721         (default_section_type_flags_1): Merge into...
2722         (default_section_type_flags): ... here.
2723         (decl_readonly_section_1): Merge into...
2724         (decl_readonly_section): ... here.
2725         (default_elf_select_section_1): Merge into...
2726         (default_elf_select_section): ... here.
2727         (default_unique_section_1): Merge into...
2728         (default_unique_section): ... here.
2729         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
2730         (default_select_rtx_section): Use it.
2731         (default_elf_select_rtx_section): Likewise.
2732         * output.h: Update to match.
2733         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
2734         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
2735         (TARGET_ASM_RELOC_RW_MASK): New.
2736         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
2737         to categorize_decl_for_section.
2738         (x86_64_elf_unique_section): Likewise.
2739         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
2740         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
2741         (TARGET_ASM_RELOC_RW_MASK): New.
2742         * config/ia64/ia64.c (ia64_rwreloc_select_section,
2743         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
2744         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
2745         (TARGET_RWRELOC): Remove.
2746         (ia64_section_type_flags): Adjust call to default_section_type_flags.
2747         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
2748         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
2749         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
2750         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
2751         (rs6000_xcoff_select_section): Use decl_readonly_section.
2752         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
2753         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
2754         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
2755         (TARGET_SECTION_TYPE_FLAGS): Remove.
2756         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
2757
2758 2007-03-09  Roger Sayle  <roger@eyesopen.com>
2759
2760         * fold-const.c (fold_comparison): Remove compile-time evaluation of
2761         complex constant equality/inequality comparisons for here.
2762         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
2763         known at compile-time or can be simplified to a scalar comparison.
2764         (fold_relational_const): Move compile-time evaluation of complex
2765         constant equality/inequality comparisons to here.
2766
2767 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2768
2769         PR rtl-optimization/30643
2770         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
2771         dest_addr_elt.
2772         (fold_rtx): Recurse, like before 2006-11-03.
2773
2774 2007-03-09  DJ Delorie  <dj@redhat.com>
2775
2776         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
2777         m32c-pragma.o.
2778
2779 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
2780
2781         PR tree-optimization/30375
2782         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
2783         LHS of statements is not the same.
2784         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
2785
2786 2007-03-09  Chao-ying Fu  <fu@mips.com>
2787
2788         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
2789         REV 2.
2790         * doc/invoke.texi (-mdspr2): Document new option.
2791         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
2792         New unspec for DSP REV 2.
2793         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
2794         these instructions are extended in DSP REV 2.
2795         (mips-dspr2.md): Include.
2796         * config/mips/mips.opt (mdspr2): New option.
2797         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
2798         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
2799         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
2800         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
2801         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
2802         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
2803         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
2804         and 2 builtins.
2805         (bdesc_map): Add one field of unsupported_target_flags.
2806         (bdesc_arrays):  Update entries to have extra fields.  Add
2807         dsp_32only_bdesc.
2808         (mips_init_builtins): Initialize new function types.
2809         Check unsupported_target_fileds to filter out builtins.
2810         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
2811         TARGET_DSPR2.
2812         (ASM_SPEC): Pass mdspr2 to the assembler.
2813         * config/mips/mips-dspr2.md: New file.
2814
2815 2007-03-09  Sa Liu  <saliu@de.ibm.com>
2816
2817         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
2818
2819 2007-03-09  Ian Lance Taylor  <iant@google.com>
2820
2821         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
2822         argument) like -Wstrict-overflow=2.
2823         * doc/invoke.texi (Warning Options): Update documentation.
2824
2825 2007-03-09  Dirk Mueller  <dmueller@suse.de>
2826
2827         PR c++/17946
2828         * doc/invoke.texi (-Wlogical-op): Document.
2829         * common.opt (-Wlogical-op): New.
2830         * c-common.h (warn_logical_operator): Declare.
2831         * c-common.c (warn_logical_operator): Define.
2832         * c-typeck.c (parser_build_binary_op): Call
2833         warn_logical_operator.
2834
2835 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2836
2837         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
2838         * final.c (final_scan_insn): Test for non-"" file name.
2839
2840 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
2841
2842         * doc/loop.texi: Document the Omega linear constraints solver.
2843         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
2844         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
2845         omega-hash-table-size, omega-max-keys, and
2846         omega-eliminate-redundant-constraints.
2847         * tree-pass.h (pass_check_data_deps): Declared.
2848         * omega.c: New.
2849         * omega.h: New.
2850         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
2851         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
2852         pass_check_data_deps): New.
2853         * tree-data-ref.c (init_data_ref): Remove declaration.
2854         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
2855         (analyze_array): Renamed init_array_ref, move up initializations.
2856         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
2857         Removed arguments that are set to NULL.
2858         (analyze_indirect_ref): Correct indentation, correct call to
2859         init_pointer_ref.
2860         (object_analysis): Call init_array_ref instead of analyze_array.
2861         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
2862         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
2863         of DR_ACCESS_FNS_ADDR.
2864         (init_omega_eq_with_af, omega_extract_distance_vectors,
2865         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
2866         ddr_consistent_p): New.
2867         (compute_affine_dependence): Check consistency of ddrs when
2868         flag_check_data_deps is passed.
2869         (analyze_all_data_dependences): Uncomment.
2870         (tree_check_data_deps): New.
2871         * tree-data-ref.h: Include omega.h.
2872         (DR_ACCESS_FNS_ADDR): Removed.
2873         (data_dependence_relation): Add inner_loop.
2874         (DDR_INNER_LOOP): New.
2875         * common.opt (fcheck-data-deps): New.
2876         * tree-flow.h (tree_check_data_deps): Declare.
2877         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
2878         (OBJS-common): Depend on omega.o.
2879         (omega.o): Define.
2880         * passes.c (pass_check_data_deps): Scheduled.
2881         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
2882         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
2883         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
2884         PARAM_VECT_MAX_VERSION_CHECKS,
2885         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
2886
2887 2007-03-09  Richard Guenther  <rguenther@suse.de>
2888
2889         PR tree-optimization/30904
2890         PR middle-end/31058
2891         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
2892         the same way as *_DIV_EXPR.
2893
2894 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2895
2896         * recog.c (decode_asm_operands): No mixed declarations and code.
2897
2898 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2899
2900         * rtl.def (ASM_INPUT): Add location.
2901         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
2902         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
2903         (decode_asm_operands): Add loc operand.
2904         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
2905         * stmt.c (expand_asm): Rename to...
2906         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
2907         gen_rtx_ASM_INPUT_loc.
2908         (expand_asm_expr): Adjust.
2909         * recog.c (decode_asm_operands): Add loc operand.
2910         (check_asm_operands, extract_insn): Adjust.
2911         * reload1.c (maybe_fix_stack_asms): Likewise.
2912         * final.c (asm_insn_count): Likewise.
2913         (final_scan_insn): Output # line before and after asm.
2914
2915 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
2916
2917         * tree-ssa-structalias.c (variable_info): Remove
2918         finished_solution.
2919         (new_var_info): Ditto.
2920         (shared_bitmap_info_t): New structure.
2921         (shared_bitmap_table): New variable.
2922         (shared_bitmap_hash): New function.
2923         (shared_bitmap_eq): Ditto
2924         (shared_bitmap_lookup): Ditto.
2925         (shared_bitmap_add): Ditto.
2926         (merge_smts_into): Change to take bitmap directly.
2927         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
2928         (init_alias_vars): Init shared bitmap hashtable.
2929         (delete_points_to_sets): Delete shared bitmap hashtable.
2930         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
2931         is_aliased removal as a change that was still necessary was
2932         deleted.
2933
2934 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
2935
2936         * config/i386/i386.h (override_options): Conditionally disable
2937         x86_sahf for 64bit targets only.
2938
2939 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2940
2941         PR C/31072
2942         * c-decl.c (merge_decls): Don't call make_var_volatile.
2943         * varasm.c (make_var_volatile): Remove.
2944         * output.h (make_var_volatile): Remove.
2945
2946 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
2947
2948         PR tree-optimization/31085
2949         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
2950
2951 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2952
2953         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
2954         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
2955         ATTR_CONST_NOTHROW_LIST.
2956
2957         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
2958         FIX_TRUNC_EXPR.
2959
2960 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
2961
2962         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
2963
2964 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
2965
2966         PR 31013
2967         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
2968         is declared.
2969         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
2970         passed, use shared libgcc.
2971
2972 2007-03-08  Roger Sayle  <roger@eyesopen.com>
2973
2974         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
2975         instead of calling build2 with a GIMPLE_MODIFY_STMT.
2976         (honor_protect_cleanup_actions, lower_try_finally_switch):
2977         Likewise.
2978         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
2979         ifc_temp_var): Likewise.
2980         * tree-inline.c (setup_one_parameter): Likewise.
2981         * tree-mudflap.c (mf_decl_cache_locals,
2982         mf_build_check_statement_for): Likewise.
2983         * tree-nested.c (init_tmp_var, save_tmp_var,
2984         finalize_nesting_tree_1): Likewise.
2985         * tree-outof-ssa.c (insert_copy_on_edge,
2986         insert_backedge_copies): Likewise.
2987         * tree-profile.c (tree_gen_edge_profiler,
2988         tree_gen_ic_profiler): Likewise.
2989         * tree-scalar-evolution.c (scev_const_prop): Likewise.
2990         * tree-sra.c (sra_build_assignment): Likewise.
2991         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
2992         * tree-ssa-math-opts.c (insert_reciprocals,
2993         execute_cse_sincos_1): Likewise.
2994         * tree-tailcall.c (adjust_accumulator_values,
2995         adjust_return_value): Likewise.
2996         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
2997         * tree-vect-transform.c (vect_create_data_ref_ptr,
2998         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
2999         vect_create_epilog_for_reduction, vectorizable_reduction,
3000         vectorizable_call, vectorizable_conversion,
3001         vectorizable_assignment, vectorizable_operation,
3002         vectorizable_type_demotion, vect_gen_widened_results_half,
3003         vect_permute_store_chain, vectorizable_store,
3004         vect_setup_realignment, vect_permute_load_chain,
3005         vectorizable_load, vectorizable_condition,
3006         vect_create_cond_for_align_checks): Likewise.
3007         * tree-vrp.c (build_assert_expr_for): Likewise.
3008
3009 2007-03-08  Ian Lance Taylor  <iant@google.com>
3010
3011         * tree-vrp.c: Include "intl.h".
3012         (usable_range_p): New static function.
3013         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
3014         overflowed values, juts set *strict_overflow_p.
3015         (compare_values): Only return -2 if one of the operands is not a
3016         constant.
3017         (compare_ranges): Call usable_range_p.
3018         (compare_range_with_value): Likewise.
3019         (vrp_evaluate_conditional_warnv): Rename from
3020         vrp_evaluate_conditional.  Make static.  Change all callers.
3021         (vrp_evaluate_conditional): New function.
3022         (simplify_div_or_mod_using_ranges): Issue warning about reliance
3023         on signed overflow.
3024         (simplify_abs_using_ranges): Likewise.
3025         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
3026         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
3027         within_stmt parameter.
3028         * tree-ssa-propagate.c (fold_predicate_in): Update call to
3029         vrp_evaluate_conditional.
3030         * tree-ssa-threadedge.c
3031         (record_temporary_equivalences_from_stmts_at_dest): Change
3032         simplify parameter to take a second tree parameter.
3033         (simplify_control_stmt_condition): Likewise.
3034         (thread_across_edge): Likewise.
3035         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
3036         (thread_across_edge): Likewise.
3037         * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
3038
3039 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
3040
3041         * config/i386/i386.h (TARGET_SAHF): New define.
3042         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
3043         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
3044         (x86_sahf): New global variable.
3045         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
3046         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
3047         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
3048         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
3049         for 64-bit.
3050         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
3051         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
3052         when expanding fcomi/sahf based tests.
3053         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
3054         expanding sahf based alternative. Emit sahf based sequence when
3055         optimizing for code size.
3056         * config/i386/i386.md (x86_sahf_1): Do not disable for
3057         TARGET_64BIT, enable for TARGET_SAHF.
3058
3059 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
3060
3061         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
3062         spurious whitespace from error message.
3063
3064 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
3065
3066         PR c++/30852
3067         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
3068
3069 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
3070
3071         * c-decl.c (grokdeclarator): Disable warnings for anonymous
3072         bitfields.
3073         * tree-sra.c (instantiate_element): Propagate disabled warnings
3074         from the element itself to the created variable.
3075
3076 2007-03-07  Richard Henderson  <rth@redhat.com>
3077
3078         PR target/30848
3079         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
3080         silently fix up the stack in the case of a missing register.
3081
3082 2007-03-07  Paul Brook  <paul@codesourcery.com>
3083
3084         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
3085
3086 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
3087
3088         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
3089         New.
3090         (phase1_vrs): Use them.
3091         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
3092         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
3093         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
3094         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
3095         __gnu_Unwind_Restore_WMMXC if required.
3096         (_Unwind_VRS_Pop): Implement iWMMXt support.
3097         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
3098         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
3099         gnu_Unwind_Save_WMMXC): Define.
3100
3101 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
3102
3103         * config/vxworks.h (vxworks_override_options): Declare.
3104         (VXWORKS_OVERRIDE_OPTIONS): Use it.
3105         * config/vxworks.c: Include target.h and toplev.h.
3106         (vxworks_override_options): New function.
3107         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
3108
3109 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
3110
3111         * config/s390/s390.c (override_options): Don't emit an error when
3112         -mstack-size is used without providing -mstack-guard.
3113         (s390_emit_prologue): Choose stack_guard value automatically if not
3114         provided via command line.
3115         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
3116
3117 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
3118
3119         * config/i386/i386.c (output_set_got): Add a GOT initialization
3120         sequence for VxWorks PIC.
3121         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
3122         around labels as well as symbols.  Use gotoff_operand instead
3123         of local_symbolic_operand.
3124         (legitimize_pic_address): Use gotoff_operand instead of
3125         local_symbolic_operand.  Use @GOT accesses for labels as
3126         well as symbols.
3127         (ix86_output_addr_diff_elt): Use PC-relative rather than
3128         GP-relative offsets for VxWorks PIC.
3129         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
3130         no_new_pseudos.  Check whether the returned register is op0.
3131         * config/i386/i386.md (tablejump): Use PC-relative rather than
3132         GP-relative offsets for VxWorks PIC.
3133         * config/i386/predicates.md (gotoff_operand): New predicate.
3134
3135 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3136
3137         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
3138         before defining.
3139         * config/vxworks-dummy.h: New file.
3140         * config/i386/i386.h: Include it.
3141
3142 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
3143
3144         * dwarf2out.c (is_inlined_entry_point): New
3145         (add_high_low_attributes): Emit DW_AT_entry_pc along with
3146         DW_AT_ranges if the first subblock is the entry point.
3147
3148 2007-03-06  David Daney  <ddaney@avtrex.com>
3149
3150         * doc/install.texi (mips-*-*): Change recommended binutils
3151         version.
3152
3153 2007-03-06  Anatoly Sokolov <aesok@post.ru>
3154
3155         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
3156         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
3157         devices.
3158         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3159         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3160
3161 2007-03-06  Jan Hubicka  <jh@suse.cz>
3162
3163         * errors.h (warning, error, fatal, internal_error): Mark as cold.
3164         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
3165         are hot.
3166         (probably_cold_bb_p): Cold functions are cold.
3167         (probably_never_executed_bb_p): Cold functions are cold.
3168         (tree_bb_level_predictions): Predict calls to cold functions as not
3169         taken.
3170         (compute_function_frequency): Check hot/cold attributes.
3171         * function.h (function_frequency): Update comments.
3172         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
3173         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
3174         (c_common_att): Add cold and hot.
3175
3176         * doc/extend.texi (hot,cold attributes): Document.
3177
3178 2007-03-06  Andrew Haley  <aph@redhat.com>
3179
3180         * function.c (expand_function_end): Move blockage to just after we
3181         emit the label for the naked return from the function.
3182
3183 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3184
3185         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
3186         before redefining.
3187
3188 2007-03-06  Jan Hubicka  <jh@suse.cz>
3189
3190         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
3191         loaded for constant large models.  Non-large 64bit PIC can do.
3192         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
3193         * cmodel.h: Add LARGE PIC.
3194         * i386.md (UNSPEC_PLTOFF): New.
3195         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
3196         needed.
3197         (*call_1_rex64): Disable for large models.
3198         (*call_1_rex64_large): New.
3199         (*call_value_1_rex64): Disable for large models.
3200         (*call_value_1_rex64_large): New.
3201         (set_rip_rex4): New.
3202         (set_got_offset_rex64): New.
3203         * predicates.md (constant_call_address_operand): For large model
3204         constant calls are not possible.
3205         * i386-protos.h (construct_plt_address): Declare.
3206         * i386.c (override_options): Accept large models.
3207         (ix86_expand_prologue): Expand large PIC GOT pointer load.
3208         (legitimate_constant_p): Add new UNSPECs.
3209         (legitimate_pic_operand_p): Likewise.
3210         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
3211         (legitimize_pic_address): Do easy RIP relative way for TLS only for
3212         non-large model.
3213         (output_pic_addr_const): Add PLTOFF.
3214         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
3215         (ix86_expand_move): Legitimize pic address when in PIC mode.
3216         (construct_plt_address): New function.
3217         (ix86_expand_call): Offload the address to register and use GOT pointer
3218         for large model.
3219         * invoke.texi (mcmodel=large): Update documentation.
3220
3221 2007-03-06  Richard Henderson  <rth@redhat.com>
3222
3223         * config/i386/i386.c (x86_use_leave, x86_push_memory,
3224         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
3225         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
3226         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
3227         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
3228         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
3229         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
3230         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
3231         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
3232         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3233         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3234         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
3235         x86_sse_partial_reg_dependency, x86_sse_split_regs,
3236         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
3237         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
3238         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
3239         x86_schedule, x86_use_bt, x86_pad_returns,
3240         x86_use_xchgb): Merge into ...
3241         (ix86_tune_features): ... here.  New array.
3242         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
3243         x86_bswap): Merge into ...
3244         (ix86_arch_features): ... here.  New array.
3245         (x86_3dnow_a): Remove.
3246         (x86_accumulate_outgoing_args): Make static.
3247         (x86_arch_always_fancy_math_387): Make static.
3248         (ix86_tune_mask, ix86_arch_mask): Move ...
3249         (override_options): ... to local variables here.  Apply the
3250         appropriate mask to each element of ix86_arch_features and
3251         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
3252         as were done in the old macros.
3253         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
3254         * config/i386/i386.h (x86_use_leave, x86_push_memory,
3255         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
3256         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
3257         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
3258         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
3259         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
3260         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
3261         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
3262         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
3263         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
3264         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3265         x86_accumulate_outgoing_args, x86_prologue_using_move,
3266         x86_epilogue_using_move, x86_decompose_lea,
3267         x86_arch_always_fancy_math_387, x86_shift1,
3268         x86_sse_partial_reg_dependency, x86_sse_split_regs,
3269         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
3270         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
3271         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
3272         x86_use_incdec, x86_pad_returns, x86_bswap,
3273         x86_partial_flag_reg_stall): Remove.
3274         (enum ix86_tune_indices): New.
3275         (ix86_tune_features): New.
3276         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
3277         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
3278         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
3279         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
3280         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
3281         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
3282         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
3283         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
3284         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
3285         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
3286         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
3287         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
3288         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
3289         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
3290         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
3291         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
3292         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
3293         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
3294         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
3295         TARGET_EXT_80387_CONSTANTS): Use it.
3296         (enum ix86_arch_indices): New.
3297         (ix86_arch_features): New.
3298         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
3299         TARGET_BSWAP): Use it.
3300         (ix86_tune_mask, ix86_arch_mask): Remove.
3301
3302 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
3303
3304         PR bootstrap/31020
3305         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
3306         Define using $${sysroot_headers_suffix}.
3307         * configure: Regenerate.
3308         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
3309         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
3310         defined.
3311         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
3312         * gcc.c (print_sysroot_headers_suffix): New.
3313         (option_map): Include --print-sysroot-headers-suffix.
3314         (display_help): Mention -print-sysroot-headers-suffix.
3315         (process_command): Handle -print-sysroot-headers-suffix.
3316         (do_spec_1): Append multilib directory to include-fixed path if
3317         sysroot suffixes in use.
3318         (main): Handle -print-sysroot-headers-suffix.
3319         * Makefile.in (start.encap): Don't depend on xlimits.h
3320         (xlimits.h): Remove.
3321         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
3322         limits.h for each multilib in fixinc_list.
3323         (fixinc_list, s-fixinc_list): New.
3324         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
3325         generate them for each multilib in fixinc_list.
3326         (stmp-fixproto): Use include-fixed.  Run fixproto for each
3327         multilib in fixinc_list.
3328         (mostlyclean): Don't remove xlimits.h.
3329         (clean): Remove include-fixed.
3330         (real-install-headers-tar, real-install-headers-cpio,
3331         real-install-headers-cp): Don't copy include, only include-fixed.
3332         (install-mkheaders): Depend on fixinc_list.  Don't depend on
3333         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
3334         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
3335         SYSTEM_HEADER_DIR setting in mkheaders.conf.
3336
3337 2007-03-06  Jan Hubicka  <jh@suse.cz>
3338
3339         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
3340         NANs easilly.
3341
3342 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3343
3344         * configure.ac: Allow tm_file to contain build-directory files.
3345         * configure: Regenerate.
3346         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
3347         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
3348         * config/m68k/print-sysroot-suffix.sh: New file.
3349
3350 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3351
3352         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
3353         of pic_offset_table_rtx if reload_completed.
3354         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
3355         PIC_OFFSET_TABLE_REGNUM.
3356         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
3357         return true.
3358         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
3359         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
3360
3361 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3362
3363         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
3364         functions that call eh_return.
3365
3366 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3367
3368         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
3369         functions that need a constant pool.
3370
3371 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3372
3373         PR target/28181
3374         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
3375         (m68k_preferred_reload_class): Likewise.
3376         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
3377         (SECONDARY_RELOAD_CLASS): Define.
3378         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
3379         (LIMIT_RELOAD_CLASS): Delete.
3380         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
3381         registers from storing bytes.
3382         (m68k_secondary_reload_class): New function.
3383         (m68k_preferred_reload_class): Likewise.
3384
3385 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3386
3387         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
3388         leaf functions.
3389         (m68k_expand_prologue): Likewise.
3390
3391 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3392
3393         * config/m68k/m68k-protos.h (output_sibcall): Declare.
3394         (mips_expand_epilogue): Add a bool parameter.
3395         (m68k_legitimize_sibcall_address): Declare.
3396         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
3397         (m68k_expand_epilogue): Add a parameter to select between sibling
3398         and normal epilogues.  Only generate a return for the latter.
3399         (m68k_ok_for_sibcall_p): New function.
3400         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
3401         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
3402         (sibcall_value, *sibcall_value): Likewise.
3403         (*call, *call_value): Require !SIBLING_CALL_P.
3404         (epilogue): Update call to m68k_expand_epilogue.
3405         (sibcall_epilogue): New pattern.
3406         * config/m68k/predicates.md (const_call_operand): Say that this
3407         predicate applies to sibling calls too.
3408         (sibcall_operand): New predicate.
3409
3410 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3411
3412         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
3413         alternatives as movsi_cf.
3414         (movsf_cf_hard): Add commentary.
3415
3416 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
3417             Richard Sandiford  <richard@codesourcery.com>
3418
3419         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
3420         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
3421         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
3422         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
3423         as being live on exit from an interrupt function.
3424         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
3425         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
3426         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
3427         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
3428         (m68k_interrupt_function_p): Globalize.
3429         (m68k_compute_frame_layout): Remove reverse mask code.
3430         (m68k_emit_movem, m68k_set_frame_related): New functions.
3431         (m68k_output_function_prologue): Delete in favor of...
3432         (m68k_expand_prologue): ...this new function.
3433         (m68k_output_function_epilogue): Delete in favor of...
3434         (m68k_expand_epilogue): ...this new function.
3435         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
3436         functions.
3437         (print_operand): Handle %?.
3438         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
3439         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
3440         (prologue, epilogue): New patterns.
3441         (return): Turn into a define_expand.
3442         (*return): New pattern, derived from old "return" pattern.  Use rte
3443         rather than rts for interrupt functions.  Only use rtd if the pop
3444         count is nonzero.
3445         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
3446         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
3447         (link, *link, unlink, *unlink, load_got): Likewise.
3448
3449 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3450
3451         PR target/23482
3452         PR target/17114
3453         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
3454         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
3455         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
3456         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
3457         and m68k_matches_u_p.
3458         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
3459         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
3460         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
3461         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
3462         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
3463         (REG_STRICT_P): New macro.
3464         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
3465         PCREL_GENERAL_OPERAND_OK.
3466         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
3467         m68k_legitimate_base_reg_p.
3468         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
3469         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
3470         (PIC_CASE_VECTOR_ADDRESS): Update comment.
3471         * config/m68k/m68k.c (m68k_address): New structure.
3472         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
3473         (m68k_decompose_index, m68k_legitimate_constant_address_p)
3474         (m68k_jump_table_ref_p, m68k_decompose_address)
3475         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
3476         (m68k_matches_u_p): New functions.
3477         (print_operand_address): Rewrite to use m68k_decompose_index.
3478
3479 2007-03-05  David Taylor  <dtaylor@emc.com>
3480
3481         * gcc.c: Correct copyright date in --version output.
3482
3483 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3484
3485         * pa.md: In unamed move patterns, disparge copies between general
3486         and floating point registers using '?' modifier.  Don't include 'f'
3487         constraint for register preferences in DImode, SImode, HImode and
3488         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
3489         Remove constraints for copies between general and floating registers
3490         in soft-float DFmode pattern.
3491         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
3492         floating register.
3493         (movsf): Likewise.
3494
3495 2007-03-05  Mike Stump  <mrs@apple.com>
3496
3497         * c-common.c (targetcm): Add.
3498         * c-opts.c (c_common_handle_option): Handle language specific
3499         target options.
3500         * opts.c (handle_option): Verify language for target options, if
3501         any are given.
3502         * opth-gen.awk: Add CL_LANG_ALL.
3503         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
3504         (TARGETCM_INITIALIZER): Add.
3505         * target.h (struct gcc_targetcm): Add.
3506         (targetcm): Add.
3507         * targhooks.c (default_handle_c_option): Add.
3508         * targhooks.h (default_handle_c_option): Add.
3509         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
3510
3511         * config/darwin.opt (iframework): Add.
3512         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
3513         * config/darwin-c.c (handle_c_option): Add.
3514         (TARGET_HANDLE_C_OPTION): Add.
3515         (targetcm): Add.
3516         * doc/invoke.texi (Darwin Options): Add -iframework.
3517
3518 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3519
3520         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
3521         conversion.
3522
3523 2007-03-05  Ian Lance Taylor  <iant@google.com>
3524
3525         * c.opt (fgnu89-inline): New option.
3526         * c-opts.c (c_common_post_options): Set default value for
3527         flag_gnu89_inline.
3528         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
3529         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
3530         inline functions.
3531         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
3532         (grokdeclarator, start_function): Likewise.
3533         * c-cppbuiltin.c (c_cpp_builtins): Define either
3534         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
3535         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
3536         (C Dialect Options): Document -fgnu89-inline.
3537         * doc/extend.texi (Function Attributes): Explain what the
3538         gnu_inline attribute does.
3539         * doc/cpp.texi (Common Predefined Macros): Document
3540         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
3541
3542 2007-03-05  Ian Lance Taylor  <iant@google.com>
3543
3544         PR tree-optimization/31034
3545         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
3546         half-range if the other side is an overflow infinity.
3547
3548 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3549
3550         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
3551         (bfin*-linux-uclibc*): New configuration.
3552         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
3553         defining.
3554         * config/bfin/linux.h: New file.
3555         * config/bfin/libgcc-bfin.ver: New file.
3556         * config/bfin/t-bfin-uclinux: New file.
3557         * config/bfin/t-bfin-linux: New file.
3558         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
3559         (TARGET_OS_CPP_BUILTINS): New macro.
3560
3561 2007-03-05  Richard Guenther  <rguenther@suse.de>
3562
3563         * fold-const.c (fold_binary): Remove duplicate folding
3564         of comparison of non-null ADDR_EXPR against null.
3565
3566 2007-03-05  Richard Guenther  <rguenther@suse.de>
3567             Dorit Nuzman  <dorit@il.ibm.com>
3568
3569         PR tree-optimization/26420
3570         * tree-vectorizer.c (vectorize_loops): Bail out early if there
3571         are no loops in the function.  Only print the number of
3572         vectorized loops if it is greater than zero or we are supposed
3573         to print information about unvectorized loops.
3574
3575 2007-03-05  Revital Eres  <eres@il.ibm.com>
3576
3577         * gcc.dg/var-expand1.c: New test.
3578         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
3579         when an accumulator is expanded.
3580
3581 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3582
3583         PR other/30465
3584         * c-common.c (convert_and_check): Don't give warnings for
3585         conversion if 'expr' already overflowed.
3586
3587 2007-03-04  Roger Sayle  <roger@eyesopen.com>
3588
3589         PR middle-end/30744
3590         * fold-const.c (fold_comparison): Enforce type consistency when
3591         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
3592
3593 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
3594
3595         * tree-ssa-address.c (create_mem_ref): Do not put an expression
3596         containing a cast to the base of TARGET_MEM_REF.
3597
3598 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
3599
3600         * tree.c (tree_contains_struct_check_failed): Remove spurious
3601         whitespace from error message.
3602
3603 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
3604
3605         PR target/30406
3606         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
3607         instead of precision.
3608
3609 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
3610             Nathan Sidwell  <nathan@codesourcery.com>
3611
3612         * emit-rtl.c (find_auto_inc): New.
3613         (try_split): recreate REG_INC notes,
3614         Use regular for loops rather than whiles.
3615
3616 2007-03-03  Andreas Schwab  <schwab@suse.de>
3617
3618         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
3619         * configure: Regenerate.
3620
3621 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3622
3623         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
3624         flag_rounding_math, not flag_unsafe_math_optimizations.
3625
3626         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
3627         fold_build2.
3628         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
3629         alpha_fold_vector_minmax): Likewise.
3630         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
3631         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
3632
3633 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
3634
3635         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
3636         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
3637         if the lhs has side-effects.
3638         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
3639
3640 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3641
3642         * config/i386/i386.h (TUNEMASK): Remove define.
3643         (ARCHMASK): Remove define.
3644         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
3645          Use ix86_arch_mask variable instead of ARCHMASK.
3646         * config/i386/i386.c (override_options): Ditto.
3647         (standard_80387_constant_p): Ditto.
3648
3649 2007-03-02  Ian Lance Taylor  <iant@google.com>
3650
3651         Used signed infinities in VRP.
3652         * tree-vrp.c (uses_overflow_infinity): New static function.
3653         (supports_overflow_infinity): New static function.
3654         (make_overflow_infinity): New static function.
3655         (negative_overflow_infinity): New static function.
3656         (positive_overflow_infinity): New static function.
3657         (is_negative_overflow_infinity): New static function.
3658         (is_positive_overflow_infinity): New static function.
3659         (is_overflow_infinity): New static function.
3660         (overflow_infinity_range_p): New static function.
3661         (compare_values_warnv): New function split out of compare_values.
3662         (compare_value): Call it.
3663         (set_value_range_to_nonnegative): Add overflow_infinity
3664         parameter.  Change caller.
3665         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
3666         Change callers.
3667         (vrp_expr_computes_nonzero): Likewise.
3668         (compare_ranges, compare_range_with_value): Likewise.
3669         (compare_name_with_value, compare_names): Likewise.
3670         (vrp_evaluate_conditional): Likewise.
3671         (set_value_range): Handle infinity
3672         (vrp_operand_equal_p, operand_less_p): Likewise.
3673         (extract_range_from_assert): Likewise.
3674         (vrp_int_const_binop): Likewise.
3675         (extract_range_from_binary_expr): Likewise.
3676         (extract_range_from_unary_expr): Likewise.
3677         (extract_range_from_comparison): Likewise.
3678         (extract_range_from_expr): Likewise.
3679         (dump_value_range): Likewise.
3680         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
3681         (test_for_singularity): Likewise.
3682         (vrp_int_const_binop): Remove inline qualifier.
3683         (adjust_range_with_scev): Add comment.
3684         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
3685
3686 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
3687
3688         * tree-ssa-structalias.c (could_have_pointers): Tidy.
3689         (get_constraint_for): Likewise.
3690         (do_structure_copy): Likewise.
3691         (find_func_aliases): Fix references to MODIFY_EXPR.
3692         (intra_create_variable_infos): Tidy.
3693         * tree-ssa-operands.c (add_virtual_operand): Add argument
3694         IS_CALL_SITE.
3695         When adding members of alias sets, if IS_CALL_SITE is true and
3696         the symbol is not call-clobbered, skip it.
3697         Adjust all callers.
3698
3699 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
3700
3701         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
3702         entry by means of emit_insn_at_entry.
3703
3704 2007-03-02  Richard Henderson  <rth@redhat.com>
3705
3706         * expr.h (promoted_input_arg): Remove decl.
3707         * function.c (promoted_input_arg): Merge into ...
3708         * combine.c (setup_incoming_promotions): ... only caller.
3709         Rearrange to avoid double loop.
3710
3711 2007-03-02  Ben Elliston  <bje@au.ibm.com>
3712             Peter Bergner  <bergner@vnet.ibm.com>
3713             Janis Johnson  <janis187@us.ibm.com>
3714
3715         * config/rs6000/dfp.md: New file.
3716         * config/rs6000/rs6000.md: Include dfp.md.
3717         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
3718         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
3719         and TDmode decimal float modes in FP registers.
3720         (num_insns_constant): Likewise.
3721         (rs6000_legitimate_offset_address_p): Likewise.
3722         (rs6000_legitimize_address): Likewise.
3723         (rs6000_legitimize_reload_address): Likewise.
3724         (rs6000_legitimate_address): Likewise.
3725         (rs6000_emit_move): Likewise.
3726         (function_arg_boundary): Likewise.
3727         (function_arg_advance): Likewise.
3728         (rs6000_darwin64_record_arg_recurse): Likewise.
3729         (function_arg): Likewise.
3730         (rs6000_gimplify_va_arg): Likewise.
3731         (rs6000_split_multireg_move): Likewise.
3732         (rs6000_output_function_epilogue): Likewise.
3733         (rs6000_output_function_epilogue): Likewise.
3734         (rs6000_register_move_cost): Likewise.
3735         (rs6000_function_value): Likewise.
3736         (rs6000_libcall_value): Likewise.
3737
3738 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
3739
3740         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
3741
3742 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
3743
3744         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
3745         Use $MULTIDIR to choose between the kernel and RTP headers,
3746         and use $WIND_BASE and $WIND_USR to locate them.
3747
3748 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3749
3750         * config/i386/i386.c (override_options): Put initialization of
3751         ix86_tune_mask and ix86_arch_mask to the correct place.
3752
3753 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3754             Michael Meissner  <michael.meissner@amd.com>
3755
3756         PR target/31019
3757         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
3758         (ARCHMASK): Define.
3759         (TARGET_CMOVE): Use ARCHMASK.
3760         (TARGET_CMPXCHG): Ditto.
3761         (TARGET_CMPXCHG8B): Ditto.
3762         (TARGET_XADD): Ditto.
3763         (TARGET_BSWAP): Ditto.
3764         * config/i386/i386.c (ix86_tune_mask): New global variable.
3765         (ix86_arch_mask): Ditto.
3766         (override_options): Initialize ix86_tune_mask and
3767         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
3768         target_flags.
3769
3770 2007-03-02  Ben Elliston  <bje@au.ibm.com>
3771
3772         PR 30992
3773         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
3774
3775 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
3776
3777         * target.h (init_dwarf_reg_sizes_extra): New target hook.
3778         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
3779         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
3780         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
3781         hook.
3782         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
3783         rs6000_init_dwarf_reg_sizes_extra): New.
3784         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
3785         SPE register high parts.
3786
3787 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
3788
3789         * Makefile.in: Add install-pdf target as
3790         copied from automake v1.10 rules.
3791         * configure.ac: Add install-pdf to target list.
3792         * configure: Regenerate.
3793
3794 2007-03-01  Paul Brook  <paul@codesourcery.com>
3795
3796         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
3797         modes to LDRD for DImode.
3798         (output_move_double): Fixup out of range ldrd/strd.
3799         (vfp_secondary_reload_class): Rename...
3800         (coproc_secondary_reload_class): ... to this.  Add wb argument.
3801         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
3802         coproc_secondary_reload_class for CLASS_IWMMXT.
3803         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
3804         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
3805
3806 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
3807
3808         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
3809         factor by the estimated number of iterations.
3810         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
3811         prefetch latency.
3812
3813         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
3814         decode_caches_intel, detect_caches_intel): New functions.
3815         (host_detect_local_cpu): Use detect_caches_amd and
3816         detect_caches_intel.
3817
3818 2007-03-01  Richard Henderson  <rth@redhat.com>
3819
3820         * expr.c (emit_move_complex_push): Export.
3821         (emit_move_complex_parts): Split out from ...
3822         (emit_move_complex): ... here.
3823         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
3824         * config/i386/i386.md (movcdi): New.
3825
3826 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
3827
3828         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
3829         size of mode1 to check for tieable modes in MMX case.
3830
3831 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
3832
3833         * Makefile.in (rtlanal.o): Depend on tree.h.
3834         * rtl.h (offset_within_section_p, split_const): Declare.
3835         * rtlanal.c: Include tree.h.
3836         (offset_within_block_p): New function, taken from
3837         mips_offset_within_object_p.
3838         (split_const): New function, taken from mips_split_const.
3839         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
3840         Declare.
3841         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
3842         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
3843         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
3844         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
3845         (m68k_illegitimate_symbolic_constant_p): New function.
3846         * config/m68k/m68k.md (movsi): Remove misleading predicates.
3847         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
3848         symbolic constant that might be outside the symbol's section,
3849         move the symbol first and then add the offset.
3850         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
3851         Override.
3852         * config/mips/mips.c (mips_split_const): Delete.
3853         (mips_offset_within_object_p): Delete.
3854         (mips_symbolic_constant_p): Use offset_within_section_p and
3855         split_const instead of mips_offset_within_object_p and
3856         mips_split_const.
3857         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
3858         (mips_legitimize_const_move, print_operand_reloc)
3859         (mips_dangerous_for_la25_p): Use split_const instead of
3860         mips_split_const.
3861
3862 2007-02-28  Eric Christopher  <echristo@apple.com>
3863
3864         * Makefile.in (install-include-dir): Don't rm -rf include.
3865
3866 2007-02-28  Richard Guenther  <rguenther@suse.de>
3867
3868         PR middle-end/30364
3869         * fold-const.c (fold_binary): Do not associate expressions
3870         with more than one variable for integer types that do not wrap.
3871
3872 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
3873
3874         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
3875         Delete, and replace with...
3876         (fold_builtin_call_array): This.  Update callers to use it.
3877         * fold-const.c (fold_build_call_list): Delete, and replace with...
3878         (fold_build_call_array): This.
3879         (fold_build_call_list_initializer): Delete, and replace with...
3880         (fold_build_call_array_initializer): This.
3881         * tree.h: Update declarations to reflect above changes.
3882
3883         * c-typeck.c (build_function_call): Store converted arguments
3884         in a stack-allocated array instead of building a list.
3885         (convert_arguments): Store arguments in the array passed in as an
3886         argument, and return the actual number of arguments.
3887         * c-format.c: (check_function_format): Pass arguments in an
3888         array instead of a list.
3889         * c-common.c (check_function_nonnull): Likewise.
3890         (check_function_sentinel): Likewise.
3891         (check_function_arguments): Likewise.
3892         * c-common.h: Update declarations to reflect above changes.
3893
3894 2007-02-28  Jan Hubicka  <jh@suse.cz>
3895
3896         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
3897         PRED_NEGATIVE_RETURN): Update outcomes.
3898
3899 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
3900
3901         * calls.c (emit_library_call_value_1): Handle partial registers
3902         correctly when building up CALL_INSN_FUNCTION_USAGE.
3903
3904 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3905
3906         * pa/predicates.md (move_src_operand): Allow zero for mode.
3907         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
3908         move pattern.
3909
3910 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
3911
3912         PR target/30970
3913         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
3914         *movv2df_internal): Enable pattern only for valid operand
3915         combinations.
3916         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
3917         tie only 128bit modes. For MMX registers, tie only 64bit modes.
3918
3919 2007-02-27  Mike Stump  <mrs@apple.com>
3920
3921         * config/darwin-crt3.c: Avoid compilation when compiling for a
3922         kext multilib.
3923
3924 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
3925
3926         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
3927         FIXED_INCLUDE_DIR.
3928         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
3929         for fixed headers and limits.h.
3930         (install-include-dir, install-headers-tar, install-headers-cpio,
3931         install-headers-cp, real-install-headers-tar,
3932         real-install-headers-cpio, real-install-headers-cp): Handle
3933         include-fixed as well as include.
3934         (install-mkheaders): Don't install files that go only in include
3935         not include-fixed.
3936         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
3937         from GCC_INCLUDE_DIR.
3938         * gcc.c (process_command): Remove special -BstageN/ handling.
3939         (do_spec_1): Add include-fixed directories.
3940
3941 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3942
3943         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
3944         _smulsi3_highpart.
3945         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
3946         New functions.
3947         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
3948         patterns.
3949
3950 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
3951
3952         * c-common.c (get_priority): Add check for
3953         SUPPORTS_INIT_PRIORITY.
3954
3955 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3956
3957         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
3958
3959         * config/bfin/bfin.c: Include "cfglayout.h".
3960         (MAX_LSETUP_DISTANCE): New macro.
3961         (struct loop_info): New members incoming, incoming_src and
3962         incoming_dest.  Delete member predecessor.
3963         (length_for_loop): New function.
3964         (bfin_optimize_loop): Handle more different loop structures.
3965         (bfin_discover_loop): Rework detection of predecessor blocks by
3966         examining incoming edges.
3967         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
3968         bfin_reorg_loops.
3969         (bfin_reorder_loops): New function.
3970         (bfin_reorg_loops): Use these three new functions.
3971
3972         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
3973         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
3974         (CONSTRAINT_LEN): Add entry for 'q'.
3975         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
3976         Add 'q' constraints.
3977         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
3978         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
3979
3980         * config/bfin/bfin.md (add_with_carry): New pattern.
3981         (s_or_u, su_optab, su_modifier): New code macros/attrs.
3982         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
3983         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
3984         support unsigned multiplies too.  Removed incorrect commutativity from
3985         operand 1 constraint where appropriate.
3986         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
3987         patterns.
3988         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
3989         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
3990         New patterns.
3991         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
3992         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
3993         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
3994         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
3995         usmulhisi_hh_huh): New patterns.
3996
3997         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
3998         lshifthi3): Fix output template to use half reg for operand 2.
3999
4000         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
4001         instead of R2.
4002
4003         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
4004
4005 2007-02-27  Andreas Schwab  <schwab@suse.de>
4006
4007         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
4008
4009 2007-02-27  Jan Hubicka  <jh@suse.cz>
4010
4011         * predict.c (last_basic_block_p): Remove.
4012         (tree_estimate_probability): Update return heuristic for commonized
4013         return blocks.
4014
4015 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
4016
4017         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
4018
4019 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
4020
4021         * doc/include/gcc-common.texi (versionsubtitle): New macro.
4022         * doc/cpp.texi: Standardize title page.
4023         * doc/cppinternals.texi: Likewise.
4024         * doc/gcc.texi: Standardize title page, remove version number
4025         from copyright page.
4026         * doc/gccint.texi: Likewise.
4027         * doc/install.texi: Standardize title page, add table of
4028         contents.
4029
4030 2007-02-26  Jan Hubicka  <jh@suse.cz>
4031
4032         * predict.def: Set outcomes according to more recent results.
4033         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
4034         Remove dead predictors.
4035         * predict.c (return_prediction): Fix pasto.
4036
4037 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4038
4039         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
4040         change; avoid a memory leak when returning early.
4041
4042 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
4043
4044         * c-decl.c (static_ctors): Move to c-common.c.
4045         (static_dtors): Likewise.
4046         (finish_function): Use c_record_cdtor_fn.
4047         (build_cdtor): Move to c-common.c.
4048         (c_write_global_declarations): Use c_build_cdtor_fns.
4049         * c-common.h (static_ctors): Declare.
4050         (static_dtors): Likewise.
4051         (c_record_cdtor_fn): Likewise.
4052         (c_build_cdtor_fns): Likewise.
4053         * c-common.c (static_ctors): New variable.
4054         (static_dtors): Likewise.
4055         (c_record_cdtor_fn): New function.
4056         (build_cdtor): Move from c-decl.c
4057         (c_build_cdtor_fns): New function.
4058
4059         * output.h (assemble_addr_to_section): Declare.
4060         (get_cdtor_priority_section): Likewise.
4061         * varasm.c (assemble_addr_to_section): New function.
4062         (get_cdtor_priority_section): Likewise.
4063         (default_named_section_asm_out_destructor): Use them.
4064         (destor_dtor_section_asm_out_destructor): Likewise.
4065         (default_named_section_asm_out_constructor): Likewise.
4066         (default_ctor_section_asm_out_constructor): Likewise.
4067         * config.gcc (*-*-vxworks*): Include vxworks.o.
4068         * config/t-vxworks (vxworks.o): New target.
4069         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
4070         (TARGET_ASM_CONSTRUCTOR): Define.
4071         (TARGET_ASM_DESTRUCTOR): Likewise.
4072         (vxworks_asm_out_constructor): Declare.
4073         (vxworks_asm_out_destructor): Likewise.
4074
4075         * c-common.c (get_priority): Check that we have not just an
4076         INTEGER_CST, but an integer constant with integeral type.
4077
4078 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
4079
4080         PR tree-optimization/30938
4081         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
4082         use &dt[nargs-1] instead of &dt[nargs] in the call to
4083         vect_is_simple_use().
4084
4085 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
4086
4087         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
4088         from register elimination as PRE_MODIFY / POST_MODIFY increments.
4089         Do not attempt to handle MEM inside auto-inc expressions.
4090         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
4091         of a register modified by an auto-inc expression.  However, do handle
4092         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
4093         (elimination_effects): Prohibit elimination of a register modified
4094         by an auto-inc expression.  Disable register elimination rules whose
4095         target register is modified by an auto-inc expression with variable
4096         increment.
4097
4098 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
4099
4100         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
4101         off-by-one error.
4102         (array_at_struct_end_p): New function.
4103         (idx_infer_loop_bounds): Use it.
4104         (estimate_numbers_of_iterations_loop): Export.
4105         * predict.c (predict_loops): Use estimated_loop_iterations_int.
4106         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
4107         (tree_estimate_probability): Call record_loop_exits.
4108         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
4109         (estimated_loop_iterations, estimated_loop_iterations_int,
4110         estimated_loop_iterations_tree): New functions.
4111         (analyze_siv_subscript_cst_affine,
4112         compute_overlap_steps_for_affine_1_2,
4113         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
4114         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
4115         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
4116         (PRED_LOOP_ITERATIONS_GUESSED): New.
4117         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
4118         * cfgloop.h (estimate_numbers_of_iterations_loop,
4119         estimated_loop_iterations_int): Declare.
4120
4121 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
4122
4123         * doc/extend.texi: Document optional priority argument to
4124         constructors and destructors.
4125         * tree.c (init_priority_for_decl): Adjust GTY markers.
4126         (init_ttree): Use priority-info hash functions for
4127         init_priority_for_decl.
4128         (tree_map_eq): Rename to ...
4129         (tree_map_base_eq): ... this.
4130         (tree_map_marked_p): Rename to ...
4131         (tree_map_base_marked_p): ... this.
4132         (tree_map_base_hash): New function.
4133         (decl_init_priority_lookup): Rework.
4134         (decl_fini_priority_lookup): New function.
4135         (decl_priority_info): New function.
4136         (decl_init_priority_insert): Use it.
4137         (decl_fini_priority_insert): Likewise.
4138         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
4139         hierarchy.
4140         (decl_restrict_base_insert): Likewise.
4141         (decl_debug_expr_insert): Likewise.
4142         (decl_value_expr_lookup): Likewise.
4143         (decl_value_expr_insert): Likewise.
4144         * tree.h (priority_type): New type.
4145         (decl_init_priority_lookup): Use priority_type.
4146         (decl_fini_priority_lookup): New function.
4147         (decl_init_priority_insert): Use priority_type.
4148         (decl_fini_priority_insert): New function.
4149         (DECL_HAS_INIT_PRIORITY): Tweak comments.
4150         (DECL_INIT_PRIORITY): Likewise.
4151         (SET_DECL_INIT_PRIORITY): Add comment.
4152         (DECL_FINI_PRIORITY): New macro.
4153         (SET_DECL_FINI_PRIORITY): Likewise.
4154         (DEFAULT_INIT_PRIORITY): Document.
4155         (MAX_INIT_PRIORITY): Likewise.
4156         (MAX_RESERVED_INIT_PRIORITY): Likewise.
4157         (tree_map_base): New type.
4158         (tree_map_base_eq): New function.
4159         (tree_map_base_hash): Likewise.
4160         (tree_map_base_marked_p): Likewise.
4161         (tree_map): Inherit from tree_map_base.
4162         (tree_map_eq): Make it a macro.
4163         (tree_map_marked_p): Likewise.
4164         (tree_int_map): Inherit from tree_map_base.
4165         (tree_int_map_eq): Make it a macro.
4166         (tree_int_map_hash): Likewise.
4167         (tree_int_map_marked_p): Likewise.
4168         (tree_priority_map): New type.
4169         (tree_priority_map_eq): New macro.
4170         (tree_priority_map_hash): Likewise.
4171         (tree_priority_map_marked_p): Likewise.
4172         * varasm.c (emults_decl): Adjust for refactoring of tree_map
4173         hierarchy.
4174         (emutls_common_1): Likewise.
4175         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
4176         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
4177         of tree_map hierarchy.
4178         * tree-cfg.c (move_stmt_r): Likewise.
4179         (new_label_mapper): Likewise.
4180         * c-tree.h (c_expand_body): Move to ...
4181         * c-common.h (c_expand_body): ... here.
4182         * c-decl.c (c_expand_body): Move to ...
4183         * c-common.c (c_expand_body): ... here.
4184         (c_common_attribute_table): Allow 1 argument for the constructor
4185         and destructor attributes.
4186         (get_priority): New function.
4187         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
4188         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
4189
4190 2007-02-24  Jan Hubicka  <jh@suse.cz>
4191
4192         PR middle-end/30509
4193         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
4194
4195 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
4196             Jan Hubicka  <jh@suse.cz>
4197
4198         PR target/30778
4199         * i386.c (counter_mode): New function.
4200         (expand_set_or_movmem_via_loop): Use it.
4201         (expand_movmem_epilogue): Likewise; fix pasto.
4202         (ix86_expand_movmem): Do emit guard even for constant counts.
4203         (ix86_expand_setmem): Likewise.
4204
4205 2007-02-25  Nick Clifton  <nickc@redhat.com>
4206
4207         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
4208         (JUMP_TABLES_IN_TEXT_SECTION): Define.
4209
4210 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
4211
4212         PR target/30770
4213         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
4214         count argument with 0x10, not with 0x16.
4215         (expand_setmem_epilogue): Ditto.
4216
4217 2007-02-24  Mike Stump  <mrs@apple.com>
4218
4219         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
4220         symbols.
4221
4222 2007-02-24  Richard Guenther  <rguenther@suse.de>
4223
4224         PR middle-end/30951
4225         * fold-const.c (fold_binary): Fold x +- CST op x for
4226         EQ_EXPR and NE_EXPR.
4227
4228 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4229
4230         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
4231
4232 2007-02-24  Jan Hubicka  <jh@suse.cz>
4233
4234         * cgraphunit.c (decide_is_function_needed): Honor
4235         -fkeep-inline-functions.
4236
4237 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4238
4239         * builtins.c (fold_builtin_modf): New.
4240         (fold_builtin_2): Use it.
4241
4242 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
4243
4244         * loop-iv.c (implies_p): Detect additional cases where A implies B.
4245         (determine_max_iter): Take additional LOOP arg; all callers changed.
4246         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
4247         one using simplifications.
4248         (simplify_using_initial_values): Return if the expression becomes
4249         invalid due to altered regs.
4250
4251 2007-02-23  DJ Delorie  <dj@redhat.com>
4252
4253         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
4254
4255 2007-02-23  Mike Stump  <mrs@apple.com>
4256
4257         * tlink.c (scan_linker_output): Parse linker messages from
4258         darwin9's linker better.
4259
4260 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
4261
4262         PR debug/29614
4263         * varpool.c (varpool_assemble_pending_decls):  Set
4264         varpool_last_needed_node to null.
4265
4266 2007-02-23  DJ Delorie  <dj@redhat.com>
4267
4268         * config/i386/i386.c (ix86_data_alignment): Don't specify an
4269         alignment bigger than the object file can handle.
4270
4271 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
4272
4273         PR target/30825
4274         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
4275         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
4276         (*movsf_1): Penalize MMX moves.
4277
4278 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
4279
4280         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
4281         2^32-1 or more times unless flag_unsafe_loop_optimizations.
4282
4283         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
4284
4285 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4286
4287         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
4288         (fold_builtin_1): Use them.
4289         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4290         BUILT_IN_SIGNIFICAND.
4291
4292 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
4293
4294         * config/i386/i386.c (bdesc_1arg): Initialize
4295         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
4296         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
4297         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
4298         and IX86_BUILTIN_MOVSLDUP.
4299
4300 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
4301
4302         PR rtl-optimization/30841
4303         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
4304
4305 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4306
4307         * builtins.c (fold_builtin_frexp): New.
4308         (fold_builtin_2): Use it.
4309
4310 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
4311
4312         * doc/invoke.texi (Spec Files): Document getenv spec function.
4313
4314         * gcc.c (getenv_spec_function): New function.
4315         (static_spec_functions): Add it.
4316         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
4317         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
4318         header files.
4319
4320 2007-02-22  Michael Matz  <matz@suse.de
4321
4322         PR c++/29433
4323         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
4324         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
4325
4326 2007-02-22  Ian Lance Taylor  <iant@google.com>
4327
4328         PR debug/30898
4329         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
4330         (mem_loc_descriptor): Call it.
4331
4332 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
4333             Ira Rosen  <irar@il.ibm.com>
4334
4335         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
4336
4337 2007-02-22  Ira Rosen  <irar@il.ibm.com>
4338
4339         PR tree-optimization/30843
4340         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
4341         stores only after all the group is vectorized.
4342
4343 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
4344
4345         PR tree-optimization/30858
4346         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
4347         in the reduction cycle have a single use in the loop.
4348         * tree-vectorizer.h (relevant): Add documentation.
4349
4350 2007-02-20  Mike Stump  <mrs@apple.com>
4351
4352         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
4353         * configure: Regenerate.
4354
4355 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
4356
4357         Change the defaults of some parameters and options.
4358         * config/spu/spu-protos.h (spu_optimization_options): Declare.
4359         * config/spu/spu.c (spu_optimization_options): Add.
4360         (spu_override_options): Change params in spu_optimization_options.
4361         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
4362
4363         Register 127 is only 16 byte aligned when used as a frame pointer.
4364         * config/spu/spu-protos.h (spu_init_expanders): Declare.
4365         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
4366         HARD_FRAME_POINTER_REGNUM.
4367         (spu_legitimate_address):  Use regno_aligned_for_reload.
4368         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
4369         aligned when frame_pointer_needed is true.
4370         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
4371         to 8 bits.
4372         * config/spu/spu.h (INIT_EXPANDERS): Define.
4373
4374         Make sure shift and rotate instructions have valid immediate operands.
4375         * config/spu/predicates.md (spu_shift_operand): Remove.
4376         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
4377         * config/spu/constraints.md (W, O): Extend range.
4378         * config/spu/spu.md (umask, nmask): Define.
4379         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
4380         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
4381         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
4382         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
4383         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
4384         (lshr<mode>3_reg):  Fix rtl description.
4385
4386         Make sure mulhisi immediate operands are valid.
4387         * config/spu/predicates.md (imm_K_operand): Add.
4388         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
4389
4390         Generate constants using fsmbi and andi.
4391         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
4392         (print_operand, spu_split_immediate, classify_immediate,
4393         fsmbi_const_p): Handle IC_FSMBI2.
4394
4395         Correctly handle a CONST_VECTOR containing symbols.
4396         * config/spu/spu.c (print_operand): Handle HIGH correctly.
4397         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
4398         (immediate_load_p): Allow symbols that use 2 instructions to create.
4399         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
4400         with symbols when flag_pic is set.
4401         (const_vector_immediate_p): New.
4402         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
4403         accept a CONST_VECTOR with symbols.
4404         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
4405         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
4406         correctly.
4407         * config/spu/spu.md (high, low): Delete.
4408         (low_<mode>): Define.
4409
4410         Remove INTRmode and INTR_REGNUM, which didn't work.
4411         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
4412         of INTR_REGNUM.
4413         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
4414         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
4415         peephole2 pattern): Don't use INTR or 131.
4416         (movintrcc): Delete.
4417         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
4418         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
4419         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
4420         (UNSPEC_SET_INTR): Add.
4421         * config/spu/spu-modes.def (INTR): Remove.
4422
4423         More accurate warnings about run-time relocations.
4424         * config/spu/spu.c (reloc_diagnostic): Test in_section.
4425
4426         Correctly warn about immediate arguments to specific intrinsics.
4427         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
4428         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
4429         the instruction predicate.
4430
4431         Fix tree check errors with latest update.
4432         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
4433         CALL_EXPR_ARG.
4434         (spu_expand_builtin): Use CALL_EXPR_FN.
4435
4436         Add missing specific intrinsics.
4437         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
4438         si_bislede.
4439         * config/spu/spu_internals.h: Ditto.
4440
4441         Fix incorrect operand modifiers.
4442         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
4443         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
4444
4445         Optimize one case of zero_extend of a vec_select.
4446         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
4447
4448         Accept any immediate for hbr.
4449         * config/spu/spu.md (hbr):  Change s constraints to i.
4450
4451 2007-02-21  Paul Brook  <paul@codesourcery.com>
4452
4453         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
4454         condexec_count when skipping USE and CLOBBER.
4455
4456 2007-02-21  Nick Clifton  <nickc@redhat.com>
4457
4458         * common.opt (Warray-bounds): Add Warning attribute.
4459         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
4460         Likewise.
4461         (fsized-zeroes): Add Optimization attribute.
4462         (fsplit-wide-types, ftree-scev-cprop): Likewise.
4463         * c.opt (Wc++0x-compat): Add Warning attribute.
4464
4465 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
4466
4467         PR middle-end/30761
4468         * reload1.c (eliminate_regs_in_insn): In the single_set special
4469         case, attempt to re-recognize the insn before falling back to
4470         having reload fix it up.
4471
4472 2007-02-20  Eric Christopher  <echristo@gmail.com>
4473
4474         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
4475         Rewrite accordingly.
4476         (frv_read_iacc_argument): Ditto.
4477         (frv_expand_set_builtin): Take a call instead of arglist, update for
4478         above changes.
4479         (frv_expand_unop_builtin): Ditto.
4480         (frv_expand_binop_builtin): Ditto.
4481         (frv_expand_cut_builtin): Ditto.
4482         (frv_expand_binopimm_builtin): Ditto.
4483         (frv_expand_voidbinop_builtin): Ditto.
4484         (frv_expand_int_void2arg): Ditto.
4485         (frv_expand_prefetches): Ditto.
4486         (frv_expand_voidtriop_builtin): Ditto.
4487         (frv_expand_voidaccop_builtin): Ditto.
4488         (frv_expand_load_builtin): Ditto.
4489         (frv_expand_store_builtin): Ditto.
4490         (frv_expand_mdpackh_builtin): Ditto.
4491         (frv_expand_mclracc_builtin): Ditto.
4492         (frv_expand_mrdacc_builtin): Ditto.
4493         (frv_expand_mwtacc_builtin): Ditto.
4494         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
4495         calls for above.
4496
4497 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
4498
4499         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
4500         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
4501         cmpb instruction.
4502         (HAVE_GAS_DFP): Check for assembler support of decimal floating
4503         point instructions.
4504         * configure: Regenerate.
4505         * config.in: Regenerate.
4506         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
4507         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
4508         masks to power6 and power6x and to POWERPC_MASKS.
4509         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4510         _ARCH_PWR6.
4511         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
4512         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
4513         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
4514         Access PROTOTYPE as variable, not mask.
4515
4516 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
4517
4518         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
4519         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
4520         * combine.c (adjust_for_new_dest): Use it.
4521         * postreload.c (reload_combine): Likewise.
4522
4523 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
4524
4525         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
4526         notes on an insn with multiple sets, even if single_set returns
4527         non-NULL for that insn.
4528
4529 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4530
4531         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
4532         scalbn and scalbln.
4533
4534 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
4535
4536         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
4537         if user didn't pass it.
4538         * config/i386/darwin.h (CC1_SPEC): Likewise.
4539         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
4540         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
4541         -mmacosx-version-min.
4542
4543 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4544             Uros Bizjak  <ubizjak@gmail.com>
4545
4546         * optabs.h (enum optab_index): Add new OTI_scalb.
4547         (scalb_optab): Define corresponding macro.
4548         * optabs.c (init_optabs): Initialize scalb_optab.
4549         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
4550         patterns.
4551         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
4552         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
4553         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
4554         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
4555         flag_unsafe_math_optimizations is set.
4556
4557         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
4558         to implement scalbf, scalb and scalbl built-ins as inline x87
4559         intrinsics.
4560
4561 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4562             DJ Delorie <dj@redhat.com>
4563
4564         PR other/30824
4565         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
4566         (diagnostic_report_diagnostic): ... here, and turn them into real
4567         errors. If warnings are inhibited, no need to do anything.
4568
4569 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
4570
4571         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
4572         better code generation.
4573
4574 2007-02-20  Ben Elliston  <bje@au.ibm.com>
4575
4576         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
4577
4578 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
4579
4580         * config/alpha/alpha.c, config/alpha/alpha.md,
4581         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
4582         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
4583         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
4584         config/arm/lib1funcs.asm: Follow spelling conventions.
4585
4586         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
4587         config/fr30/fr30.md, config/i386/i386.h,
4588         config/iq2000/iq2000.h, config/iq2000/predicates.md,
4589         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
4590         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
4591         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
4592         config/rs6000/altivec.md, config/rs6000/rs6000.c,
4593         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
4594         config/sparc/sparc.c, config/sparc/sparc.h,
4595         config/sparc/sparc.md, config/spu/constraints.md,
4596         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
4597         conventions.
4598
4599 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
4600
4601         PR target/29943
4602         * varasm.c (use_blocks_for_decl_p): Return false for decls with
4603         alias attribute.
4604
4605 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
4606
4607         * doc/invoke.texi (-ftree-lrs): Remove.
4608
4609 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
4610
4611         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
4612         NULL.
4613
4614 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
4615
4616         * config/ia64/ia64.c (ia64_expand_builtin): Use the
4617         new CALL_EXPR_FN macro for retrieving the function
4618         declaration of the input expression.
4619
4620 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4621
4622         * c.opt (Waddress): New.
4623         * common.opt (Walways-true): Delete.
4624         (Wstring-literal-comparison): Delete.
4625         * doc/invoke.texi (Warning Options): Delete -Walways-true and
4626         -Wstring-literal-comparison. Add -Waddress.
4627         (Waddress): New.
4628         (Walways-true): Delete.
4629         (Wstring-literal-comparison): Delete.
4630         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
4631         consistently instead of -Walways-true in example.
4632         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
4633         * c-typeck.c (parser_build_binary_op): Replace
4634         -Wstring-literal-comparison and -Walways-true with -Waddress.
4635         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
4636         with -Waddress.
4637
4638 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
4639
4640         * tree-cfg.c (dump_function_to_file): Be prepared for functions
4641         without DECL_STRUCT_FUNCTION initialized.
4642
4643 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
4644
4645         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
4646         due to calls to functions taking pointers as parameters.
4647
4648 2007-02-19  Richard Henderson  <rth@redhat.com>
4649
4650         PR debug/29558
4651         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
4652         in memory.
4653
4654 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4655
4656         * config/s390/s390.c (s390_call_saved_register_used,
4657         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
4658         accessed to the new scheme.
4659
4660 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4661
4662         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
4663         (cris_print_index, cris_print_operand, cris_print_operand_address)
4664         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
4665         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
4666         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
4667         GET_CODE () == xxx.
4668         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
4669         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
4670         GO_IF_LEGITIMATE_ADDRESS): Ditto.
4671         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
4672         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
4673         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
4674         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
4675         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
4676         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
4677         (uminsi3, call, call_value): Ditto.
4678         (define_split: indir_to_reg_split, unnamed): Ditto.
4679
4680 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
4681
4682         PR tree-optimization/30975
4683         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
4684         wrong assert.
4685
4686 2007-02-18  Eric Christopher  <echristo@gmail.com>
4687
4688         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
4689         Remove use of arglist.
4690         (mips_expand_builtin): Remove use of arglist, pass in expr.
4691         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
4692         (mips_expand_builtin_movtf): Ditto.
4693         (mips_expand_builtin_compare): Ditto.
4694
4695 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
4696
4697         * tree-sra.c (sra_build_assignment): Replace assertion
4698         checking with a comment explaining why it can't be done.
4699
4700 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
4701
4702         PR middle-end/30833
4703         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
4704         during CALL_EXPR representation conversion.
4705         * tree-ssa-propagate.c (set_rhs): Likewise.
4706
4707 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
4708
4709         * tree-sra.c (sra_build_assignment): Disable assertion checking
4710         for now.
4711
4712 2007-02-18  Roger Sayle  <roger@eyesopen.com>
4713
4714         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
4715         instead of calling build2 with a GIMPLE_MODIFY_STMT.
4716         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
4717         Likewise.
4718         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
4719         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
4720         gimplify_init_ctor_eval_range, gimple_push_cleanup,
4721         gimplify_omp_for, gimplify_omp_atomic_pipeline,
4722         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
4723         force_gimple_operand): Likewise.
4724         * ipa-cp.c (constant_val_insert): Likewise.
4725         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4726         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
4727         perfect_nestify): Likewise.
4728         * langhooks.c (lhd_omp_assignment): Likewise.
4729         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
4730         lower_copyprivate_clauses, lower_send_clauses,
4731         lower_send_shared_vars, expand_parallel_call,
4732         expand_omp_for_generic, expand_omp_for_static_nochunk,
4733         expand_omp_for_static_chunk, expand_omp_sections,
4734         lower_omp_single_copy, lower_omp_for_lastprivate,
4735         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
4736         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
4737         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
4738         Likewise.
4739
4740 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
4741
4742         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
4743         config/sh/sh.md: Follow spelling conventions.
4744
4745         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
4746         config/frv/predicates.md: Follow spelling conventions.
4747
4748         * config/m68k/linux-unwind.h: Fix a comment typo.
4749         * target.h: Follow spelling conventions.
4750
4751 2007-02-18  Roger Sayle  <roger@eyesopen.com>
4752
4753         PR rtl-optimization/28173
4754         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
4755         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
4756         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
4757         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
4758         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
4759
4760 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4761
4762         * builtins.c (fold_builtin_load_exponent): New.
4763         (fold_builtin_2): Use it.
4764
4765 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
4766
4767         PR rtl-optimization/30773
4768         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
4769         if we fail to attach a REG_EQUIV note.
4770
4771 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
4772             Roger Sayle  <roger@eyesopen.com>
4773
4774         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
4775
4776 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
4777
4778         * calls.c (initialize_argument_information): Pass original EXP
4779         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
4780         code to split complex arguments here, as part of initializing the
4781         ARGS array.
4782         (expand_call): Remove code that builds a list of arguments and
4783         inserts implicit arguments into it.  Instead, just count how many
4784         implicit arguments there will be so we can determine the size of
4785         the ARGS array, and let initialize_argument_information do the work.
4786         (split_complex_values): Delete unused function.
4787
4788 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
4789
4790         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
4791
4792 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
4793
4794         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
4795         for arg pointer based indexed addressing.
4796
4797 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
4798
4799         * config/ia64/ia64.h, config/ia64/ia64.md,
4800         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
4801         spelling conventions.
4802
4803 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4804
4805         * config/m68k/m68k.c (split_di): New.
4806         * config/m68k/m68k-protos.h: Declare split_di.
4807         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
4808           Improve predicate handling and split constant shifts.
4809
4810 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4811
4812         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
4813         parameter for register bitfield operations, general predicates
4814         cleanup
4815
4816 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4817
4818         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
4819         * config/m68k/linux-unwind.h: New file.
4820
4821 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
4822
4823         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
4824         config/i386/athlon.md, config/ia64/ia64.md,
4825         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
4826         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
4827         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
4828         tree-ssa-loop-niter.c, tree-vect-analyze.c,
4829         tree-vect-transform.c: Fix comment typos.
4830
4831 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
4832
4833         * sched-deps.c (find_insn_list): Remove.
4834         * sched-int.h: Remove the prototype for find_insn_list.
4835
4836 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
4837
4838         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
4839         to linker.
4840         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
4841         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
4842         darwin_rs6000_override_options.
4843         (C_COMMON_OVERRIDE_OPTIONS): Expect
4844         darwin_macosx_version_min to be non-NULL always.
4845         (TARGET_C99_FUNCTIONS): Likewise.
4846         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
4847         (DARWIN_MINVERSION_SPEC): New.
4848         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
4849         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
4850         to cc1*.
4851         (DARWIN_MINVERSION_SPEC): New.
4852         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
4853         value.
4854         * config/darwin-c.c (darwin_cpp_builtins): Expect
4855         darwin_macosx_version_min to be non-NULL always.
4856
4857         * config/rs6000/rs6000.c: Clean up trailing whitespace.
4858
4859 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
4860
4861         * config/i386/i386.h (x86_use_xchgb): New.
4862         (TARGET_USE_XCHGB): New macro.
4863         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
4864         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
4865         Split after reload into bswaphi for shifts of 8.
4866         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
4867         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
4868         or when optimizing for size.
4869
4870 2007-02-16  Richard Guenther  <rguenther@suse.de>
4871             Christian Bruel  <christian.bruel@st.com>
4872
4873         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
4874         DECLs but prefer SSA_NAMEs over DECLs.
4875
4876 2007-02-16  Richard Guenther  <rguenther@suse.de>
4877
4878         * tree-flow-inline.h (single_imm_use_p): Remove.
4879         (zero_imm_uses_p): Likewise.
4880         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
4881         instead of single_imm_use_p.
4882         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
4883         zero_imm_uses_p.
4884
4885 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4886
4887         PR other/27843
4888         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
4889         nested double- and backquotes.
4890
4891 2007-02-15  Roger Sayle  <roger@eyesopen.com>
4892
4893         PR middle-end/30391
4894         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
4895         should be unreachable.
4896         (build2_stat): Allow construction of MODIFY_EXPR at any time.
4897         For the time being redirect GIMPLE_MODIFY_STMT to the new
4898         (renamed) build_gimple_modify_stmt_stat.
4899         (build2_gimple_stat): Rename to...
4900         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
4901         Always build a GIMPLE_MODIFY_STMT node.
4902         * tree.h (build2_gimple, build2_gimple_stat): Delete.
4903         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
4904         declarations.
4905
4906         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
4907         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
4908         * tree-complex.c (set_component_ssa_name, expand_complex_move,
4909         expand_complex_div_wide): Likewise.
4910         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
4911         * tree-ssa-loop-im.c (schedule_sm): Likewise.
4912         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
4913         * tree-ssa-loop-manip.c (create_iv): Likewise.
4914         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
4915         abs_replacement): Likewise.
4916         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
4917         realify_fake_stores): Likewise.
4918
4919         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
4920         node rather than a GIMPLE_MODIFY_STMT node.
4921         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
4922         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
4923         Likewise.
4924         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
4925         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
4926         GIMPLE_MODIFY_STMT.
4927
4928 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4929
4930         PR middle-end/30433
4931         * fold-const.c (fold_comparison): Add back the
4932         folding of constant complex comparisions.
4933
4934 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4935
4936         PR middle-end/30729
4937         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
4938         effects unknown to this function, return early.
4939
4940 2007-02-15  Ian Lance Taylor  <iant@google.com>
4941
4942         * lower-subreg.c (move_eh_region_note): New static function.
4943         (resolve_simple_move): Call it.
4944         (decompose_multiword_subregs): Track blocks for which we resolve a
4945         simple move which is also a control flow insn.  Pass them to
4946         find_many_sub_basic_blocks.
4947         (pass_lower_subreg): Add TODO_verify_flow.
4948         (pass_lower_subreg2): Likewise.
4949
4950 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4951             Brooks Moses  <brooks.moses@codesourcery.com>
4952             Lee Millward  <lee.millward@codesourcery.com>
4953
4954         * tree.h (enum tree_code_class): Add tcc_vl_exp.
4955         (VL_EXP_CLASS_P): New.
4956         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
4957         TREE_CODE_LENGTH.
4958         (TREE_OPERAND_CHECK_CODE): Likewise.
4959         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
4960         (TREE_RTL_OPERAND_CHECK): Likewise.
4961         (tree_operand_check_failed): Make second parameter the whole tree
4962         instead of its code.  Fixed callers.
4963         (VL_EXP_CHECK): New.
4964         (TREE_OPERAND_LENGTH): New.
4965         (VL_EXP_OPERAND_LENGTH): New.
4966         (CALL_EXPR_FN): New.
4967         (CALL_EXPR_STATIC_CHAIN): New.
4968         (CALL_EXPR_ARGS): New.
4969         (CALL_EXPR_ARG): New.
4970         (call_expr_nargs): New.
4971         (CALL_EXPR_ARGP): New.
4972         (build_nt_call_list): Declare.
4973         (build_vl_exp_stat): Declare.
4974         (build_vl_exp): New.
4975         (build_call_list): Declare.
4976         (build_call_nary): Declare.
4977         (build_call_valist): Declare.
4978         (build_call_array): Declare.
4979         (call_expr_arg): Declare.
4980         (call_expr_argp): Declare.
4981         (call_expr_arglist): Declare.
4982         (fold_build_call_list): Declare.
4983         (fold_build_call_list_initializer): Declare.
4984         (fold_call_expr): Declare to replace fold_builtin.
4985         (fold_builtin_fputs): Update to agree with modified definition.
4986         (fold_builtin_strcpy): Likewise.
4987         (fold_builtin_strncpy): Likewise.
4988         (fold_builtin_memory_chk): Likewise.
4989         (fold_builtin_stxcpy_chk): Likewise.
4990         (fold_builtin_strncpy_chk): Likewise.
4991         (fold_builtin_next_arg): Likewise.
4992         (fold_build_call_expr): Declare.
4993         (fold_builtin_call_list): Declare.
4994         (fold_builtin_call_valist): Declare.
4995         (build_call_expr): Declare.
4996         (validate_arglist): Update to agree with modified definition.
4997         (tree_operand_length): New.
4998         (call_expr_arg_iterator): New.
4999         (init_call_expr_arg_iterator): New.
5000         (next_call_expr_arg): New.
5001         (first_call_expr_arg): New.
5002         (more_call_expr_args_p): New.
5003         (FOR_EACH_CALL_EXPR_ARG): New.
5004
5005         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
5006         and tcc_gimple_stmt.
5007         (tree_code_size): Update documentation.  Use sizeof (tree) rather
5008         than sizeof (char *).
5009         (tree_size): Likewise.  Add case for tcc_vl_exp.
5010         (tree_node_structure): Add case for tcc_vl_exp.
5011         (contains_placeholder_p): Likewise.
5012         (substitute_in_expr): Likewise.
5013         (substitute_placeholder_in_expr): Likewise.
5014         (stabilize_reference_1): Likewise.
5015         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
5016         to diagnose breakage of this interface for constructing CALL_EXPRs.
5017         (build_nt): Add similar assertion here.
5018         (build_nt_call_list): New.
5019         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
5020         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
5021         TREE_CODE_LENGTH.
5022         (get_callee_fndecl): Use new CALL_EXPR accessors.
5023         (tree_operand_check_failed): Change parameters to pass entire node
5024         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
5025         (process_call_operands): New.
5026         (build_vl_exp_stat): New.
5027         (build_call_list): New.
5028         (build_call_nary): New.
5029         (build_call_valist): New.
5030         (build_call_array): New.
5031         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5032         (call_expr_arglist): New.
5033
5034         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
5035         tcc_vl_exp instead of a fixed-size tcc_expression.
5036
5037         * doc/c-tree.texi (CALL_EXPR): Document new representation and
5038         accessors for CALL_EXPRs.
5039         (AGGR_INIT_EXPR): Likewise.
5040
5041 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5042             Brooks Moses  <brooks.moses@codesourcery.com>
5043             Lee Millward  <lee.millward@codesourcery.com>
5044
5045         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
5046         (expand_builtin_nonlocal_goto): Change parameter to be entire
5047         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
5048         (expand_builtin_prefetch): Likewise.
5049         (expand_builtin_classify_type): Likewise.
5050         (mathfn_built_in): Return NULL_TREE instead of 0.
5051         (expand_errno_check): Use new CALL_EXPR accessors.
5052         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
5053         Return NULL_RTX instead of 0.
5054         (expand_builtin_mathfn_2): Likewise.
5055         (expand_builtin_mathfn_3): Likewise.
5056         (expand_builtin_interclass_mathfn): Likewise.
5057         (expand_builtin_sincos): Likewise.
5058         (expand_builtin_cexpi): Likewise.
5059         (expand_builtin_int_roundingfn): Likewise.
5060         (expand_builtin_int_roundingfn_2): Likewise.
5061         (expand_builtin_pow): Likewise.
5062         (expand_builtin_powi): Likewise.
5063         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
5064         of arglist, fixing callers appropriately.  Use new CALL_EXPR
5065         accessors and constructors.  Return NULL_RTX instead of 0.
5066         (expand_builtin_strstr): Likewise.
5067         (expand_builtin_strchr): Likewise.
5068         (expand_builtin_strrchr): Likewise.
5069         (expand_builtin_strpbrk): Likewise.
5070         (expand_builtin_memcpy): Likewise.
5071         (expand_builtin_mempcpy): Likewise.
5072         (expand_builtin_mempcpy_args): New.
5073         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
5074         (expand_builtin_memmove_args): New.
5075         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
5076         (expand_movstr): Likewise.
5077         (expand_builtin_strcpy): Likewise.
5078         (expand_builtin_strcpy_args): New.
5079         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
5080         (expand_builtin_strncpy): Likewise.
5081         (expand_builtin_memset): Likewise.
5082         (expand_builtin_memset_args): New.
5083         (expand_builtin_bzero): Similarly to expand_builtin_memset.
5084         (expand_builtin_memcmp): Likewise.
5085         (expand_builtin_strcmp): Likewise.
5086         (expand_builtin_strncmp): Likewise.
5087         (expand_builtin_strcat): Likewise.
5088         (expand_builtin_strncat): Likewise.
5089         (expand_builtin_strspn): Likewise.
5090         (expand_builtin_strcspn): Likewise.
5091         (expand_builtin_args_info): Likewise.
5092         (expand_builtin_va_start): Likewise.
5093         (gimplify_va_arg_expr): Likewise.
5094         (expand_builtin_va_end): Likewise.
5095         (expand_builtin_va_copy): Likewise.
5096         (expand_builtin_frame_address): Likewise.
5097         (expand_builtin_alloca): Likewise.
5098         (expand_builtin_bswap): Likewise.
5099         (expand_builtin_unop): Likewise.
5100         (expand_builtin_fputs): Likewise.
5101         (expand_builtin_expect): Likewise.
5102         (expand_builtin_fabs): Likewise.
5103         (expand_builtin_copysign): Likewise.
5104         (expand_builtin_printf): Likewise.
5105         (expand_builtin_fprintf): Likewise.
5106         (expand_builtin_sprintf): Likewise.
5107         (expand_builtin_init_trampoline): Likewise.
5108         (expand_builtin_signbit): Likewise.
5109         (expand_builtin_fork_or_exec): Likewise.
5110         (expand_builtin_sync_operation): Likewise.
5111         (expand_builtin_compare_and_swap): Likewise.
5112         (expand_builtin_lock_test_and_set): Likewise.
5113         (expand_builtin_lock_release): Likewise.
5114         (expand_builtin): Likewise.
5115         (builtin_mathfn_code): Likewise.
5116
5117         (fold_builtin_constant_p): Pass call arguments individually instead
5118         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5119         accessors and constructors.  Return NULL_TREE instead of 0.
5120         (fold_builtin_expect): Likewise.
5121         (fold_builtin_classify_type): Likewise.
5122         (fold_builtin_strlen): Likewise.
5123         (fold_builtin_nan): Likewise.
5124         (integer_valued_real_p): Likewise.
5125         (fold_trunc_transparent_mathfn): Likewise.
5126         (fold_fixed_mathfn): Likewise.
5127         (fold_builtin_cabs): Likewise.
5128         (fold_builtin_sqrt): Likewise.
5129         (fold_builtin_cbrt): Likewise.
5130         (fold_builtin_cos): Likewise.
5131         (fold_builtin_cosh): Likewise.
5132         (fold_builtin_tan): Likewise.
5133         (fold_builtin_sincos): Likewise.
5134         (fold_builtin_cexp): Likewise.
5135         (fold_builtin_trunc): Likewise.
5136         (fold_builtin_floor): Likewise.
5137         (fold_builtin_ceil): Likewise.
5138         (fold_builtin_round): Likewise.
5139         (fold_builtin_int_roundingfn): Likewise.
5140         (fold_builtin_bitop): Likewise.
5141         (fold_builtin_bswap): Likewise.
5142         (fold_builtin_logarithm): Likewise.
5143         (fold_builtin_hypot): Likewise.
5144         (fold_builtin_pow): Likewise.
5145         (fold_builtin_powi): Likewise.
5146         (fold_builtin_exponent): Likewise.
5147         (fold_builtin_memset): Likewise.
5148         (fold_builtin_bzero): Likewise.
5149         (fold_builtin_memory_op): Likewise.
5150         (fold_builtin_bcopy): Deleted; call site changed to invoke
5151         fold_builtin_memory_op directly.
5152         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
5153         (fold_builtin_strncpy): Likewise.
5154         (fold_builtin_memcmp): Likewise.
5155         (fold_builtin_strcmp): Likewise.
5156         (fold_builtin_strncmp): Likewise.
5157         (fold_builtin_signbit): Likewise.
5158         (fold_builtin_copysign): Likewise.
5159         (fold_builtin_isascii): Likewise.
5160         (fold_builtin_toascii): Likewise.
5161         (fold_builtin_isdigit): Likewise.
5162         (fold_builtin_fabs): Likewise.
5163         (fold_builtin_abs): Likewise.
5164         (fold_builtin_fmin_fmax): Likewise.
5165         (fold_builtin_carg): Likewise.
5166         (fold_builtin_classify): Likewise.
5167         (fold_builtin_unordered_cmp): Likewise.
5168
5169         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
5170         New functions split out from fold_builtin_1.
5171         (fold_builtin_n): New.
5172         (fold_builtin_varargs): New.
5173         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
5174         instead.
5175         (fold_call_expr): New.
5176         (build_function_call_expr): Rewrite to use new helper function.
5177         (fold_builtin_call_list): New.
5178         (build_call_expr): New.
5179         (fold_builtin_call_valist): New.
5180         (rewrite_call_expr): New.
5181         (validate_arg): New.
5182         (validate_arglist): Change parameter to be entire CALL_EXPR instead
5183         of an arglist.  Change return type to bool.  Use new CALL_EXPR
5184         accessors.
5185
5186         (fold_builtin_strstr):  Pass call arguments individually instead
5187         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5188         accessors and constructors.  Return NULL_TREE instead of 0.
5189         (fold_builtin_strchr): Likewise.
5190         (fold_builtin_strrchr): Likewise.
5191         (fold_builtin_strpbrk): Likewise.
5192         (fold_builtin_strcat): Likewise.
5193         (fold_builtin_strncat): Likewise.
5194         (fold_builtin_strspn): Likewise.
5195         (fold_builtin_strcspn): Likewise.
5196         (fold_builtin_fputs): Likewise.
5197         (fold_builtin_next_arg): Likewise.
5198         (fold_builtin_sprintf): Likewise.
5199
5200         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
5201         NULL_RTX instead of 0.
5202         (expand_builtin_memory_chk): Likewise.
5203         (maybe_emit_chk_warning): Likewise.
5204         (maybe_emit_sprintf_chk_warning): Likewise.
5205
5206         (fold_builtin_object_size): Pass call arguments individually instead
5207         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5208         accessors and constructors.  Return NULL_TREE instead of 0.
5209         (fold_builtin_memory_chk): Likewise.
5210         (fold_builtin_stxcpy_chk): Likewise.
5211         (fold_builtin_strncpy_chk): Likewise.
5212         (fold_builtin_strcat_chk): Likewise.
5213         (fold_builtin_strcat_chk): Likewise.
5214         (fold_builtin_strncat_chk): Likewise.
5215         (fold_builtin_sprintf_chk): Likewise.
5216         (fold_builtin_snprintf_chk): Likewise.
5217         (fold_builtin_printf): Likewise.
5218         (fold_builtin_vprintf): Likewise.
5219
5220         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
5221         constructors.
5222         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
5223         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5224         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
5225         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
5226         (fold_unary): Likewise.
5227         (fold_binary): Likewise.
5228         (fold_ternary): Remove CALL_EXPR case, since they are no longer
5229         ternary expressions.
5230         (fold): Add logic for tcc_vl_exp.
5231         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
5232         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5233         (fold_build3_stat): Add assertion to flag broken interface for
5234         constructing CALL_EXPRs.
5235         (fold_build_call_list): New.
5236         (fold_build_call_list_initializer): New.
5237         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
5238         constructors.
5239         (fold_strip_sign_ops): Likewise.
5240
5241 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5242             Brooks Moses  <brooks.moses@codesourcery.com>
5243             Lee Millward  <lee.millward@codesourcery.com>
5244
5245         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
5246         accessors and dump arguments explicitly.
5247
5248         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
5249         TREE_CODE_LENGTH.
5250         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
5251         explicitly.
5252         (print_call_name): Use new CALL_EXPR accessors.
5253
5254         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
5255         CALL_EXPR arguments explicitly instead of as a list.  Use
5256         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5257
5258         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
5259         (vrp_visit_stmt): Likewise.
5260
5261         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
5262         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
5263         TREE_CODE_LENGTH.
5264         (force_move_till_expr): Likewise.
5265
5266         * targhooks.c (default_external_stack_protect_fail): Use
5267         build_call_expr instead of build_function_call_expr.
5268         (default_hidden_stack_protect_fail): Likewise.
5269
5270         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
5271         build the call.
5272
5273         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
5274         and walk arguments explicitly.
5275
5276         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
5277         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5278         (expand_simple_operations): Likewise.
5279         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
5280
5281         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
5282         of TREE_CODE_LENGTH.
5283         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
5284
5285         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
5286         instead of TREE_CODE_LENGTH.
5287
5288         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
5289         (tree_ic_transform): Likewise.
5290         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
5291         parameter instead of arglist.  Fix callers.
5292         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
5293         (tree_stringops_transform): Likewise.
5294         (tree_indirect_call_to_profile): Likewise.
5295         (tree_stringops_values_to_profile): Likewise.
5296
5297         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
5298         (eliminate_tail_call): Likewise.
5299
5300         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
5301
5302         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
5303         Use TREE_OPERAND_LENGTH and generalize to handle any number of
5304         operands.
5305         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
5306
5307         * omp-low.c (build_omp_barrier): Use build_call_expr.
5308         (lower_rec_input_clauses): Likewise.
5309         (lower_reduction_clauses): Likewise.
5310         (expand_parallel_call): Likewise.
5311         (maybe_catch_exception): Likewise.
5312         (expand_omp_for_generic): Likewise.
5313         (expand_omp_for_static_nochunk): Likewise.
5314         (expand_omp_sections): Likewise.
5315         (lower_omp_single_simple): Likewise.
5316         (lower_omp_single_copy): Likewise.
5317         (lower_omp_master): Likewise.
5318         (lower_omp_ordered): Likewise.
5319         (lower_omp_critical): Likewise.
5320
5321         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
5322         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
5323
5324         * tree-gimple.c (is_gimple_call_addr): Fix doc.
5325         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
5326         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
5327
5328         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
5329         and generalize to handle any number of operands.
5330         (chrec_contains_undetermined): Likewise.
5331         (tree_contains_chrecs): Likewise.
5332         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
5333
5334         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
5335
5336         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
5337         fold_call_expr instead of fold_builtin.
5338         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
5339         match declarations there.
5340         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
5341         updates.
5342
5343         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
5344         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5345
5346         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
5347         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
5348
5349         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
5350         accessors.
5351
5352         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
5353         (execute_cse_sincos): Use new CALL_EXPR accessors.
5354
5355         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
5356
5357         * gimple-low.c (lower_function_body): Use build_call_expr.
5358         (lower_builtin_setjmp): Likewise.
5359
5360         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
5361         (set_storage_via_libcall): Likewise.
5362         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
5363         instead of TREE_CODE_LENGTH.
5364         (expand_expr_real_1): Use new CALL_EXPR accessors.
5365
5366         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
5367         generalize to handle any number of operands.
5368         (TB_parent_eq): Likewise.
5369
5370         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
5371         (strip_builtin_expect): Likewise.
5372
5373         * function.c (gimplify_parameters): Use build_call_expr.
5374
5375         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
5376         instead of TREE_CODE_LENGTH.
5377
5378         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
5379         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
5380
5381         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
5382         iterators.
5383
5384         * gimplify.c (build_stack_save_restore): Use build_call_expr.
5385         (gimplify_decl_expr): Likewise.
5386         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
5387         Use new CALL_EXPR iterators.
5388         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
5389         (gimplify_modify_expr_to_memset): Likewise.
5390         (gimplify_variable_sized_compare): Likewise.
5391         (gimplify_omp_atomic_fetch_op): Likewise.
5392         (gimplify_omp_atomic_pipeline): Likewise.
5393         (gimplify_omp_atomic_mutex): Likewise.
5394         (gimplify_function_tree): Likewise.
5395
5396         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
5397         (call_expr_flags): Likewise.
5398         (expand_call): Likewise.
5399
5400         * except.c (expand_builtin_eh_return_data_regno): Pass entire
5401         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
5402         accessors.
5403
5404         * coverage.c (create_coverage): Use build_call_expr.
5405
5406         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
5407         (temp_call_expr_obstack): New.
5408         (pool_copy_list): Delete.
5409         (temp_copy_call_expr): New.
5410         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
5411         CALL_EXPR accessors.  Get rid of special goo for copying argument
5412         lists and use temp_copy_call_expr instead.
5413         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
5414         CALL_EXPR accessors.
5415         (create_expression_by_pieces): Likewise.  Use build_call_array
5416         to construct the result instead of fold_build3.
5417         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
5418         dealing with argument lists.
5419         (init_pre): Remove references to expression_node_pool and
5420         list_node_pool.  Init temp_call_expr_obstack instead.
5421         (fini_pre): Remove references to expression_node_pool and
5422         list_node_pool.
5423
5424         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
5425         and walk arguments explicitly instead of as a list.
5426
5427         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
5428         (mx_register_decls): Likewise.
5429         (mudflap_register_call): Likewise.
5430         (mudflap_finish_file): Likewise.
5431
5432         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
5433         (ipa_callsite_compute_param): Likewise.
5434
5435         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
5436         accessors and constructor.
5437
5438         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
5439         accessors and constructor.
5440         (convert_tramp_reference): Likewise.
5441         (convert_call_expr): Likewise.
5442         (finalize_nesting_tree_1): Likewise.
5443
5444         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
5445         accessors.
5446
5447         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
5448
5449         * tree-inline.c (initialize_inlined_parameters): Pass entire
5450         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
5451         accessors.
5452         (estimate_num_insns_1): Use new CALL_EXPR accessors.
5453         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
5454
5455         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
5456         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5457         (vectorizable_reduction): Likewise.
5458         (vectorizable_call): Use new CALL_EXPR iterators.
5459         (vectorizable_conversion): Use build_call_expr.
5460         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
5461         (vect_gen_widened_results_half): Use build_call_expr.
5462         (vect_setup_realignment): Likewise.
5463         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
5464
5465         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
5466         (pass_through_call): Likewise.
5467         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
5468         fold_builtin.
5469
5470         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
5471         (tree_gen_pow2_profiler): Likewise.
5472         (tree_gen_one_value_profiler): Likewise.
5473         (tree_gen_ic_func_profiler): Likewise.
5474         (tree_gen_average_profiler): Likewise.
5475         (tree_gen_ior_profiler): Likewise.
5476
5477         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
5478         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
5479         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5480
5481         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
5482         of TREE_CODE_LENGTH.
5483
5484         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
5485         of TREE_CODE_LENGTH.
5486
5487         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
5488         constructor.
5489         (convert_to_integer): Likewise.
5490
5491         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
5492         accessors.
5493
5494 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5495             Brooks Moses  <brooks.moses@codesourcery.com>
5496             Lee Millward  <lee.millward@codesourcery.com>
5497
5498         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
5499         accessors.
5500         * config/frv/frv.c (frv_expand_builtin): Likewise.
5501         * config/s390/s390.c (s390_expand_builtin): Likewise.
5502
5503         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
5504         (sparc_expand_builtin): Use new CALL_EXPR accessors.
5505
5506         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
5507         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
5508         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
5509         (ix86_expand_store_builtin): Likewise.
5510         (ix86_expand_unop_builtin): Likewise.
5511         (ix86_expand_unop1_builtin): Likewise.
5512         (ix86_expand_sse_compare): Likewise.
5513         (ix86_expand_sse_comi): Likewise.
5514         (ix86_expand_vec_init_builtin): Likewise.
5515         (ix86_expand_vec_ext_builtin): Likewise.
5516         (ix86_expand_vec_set_builtin): Likewise.
5517         (ix86_expand_builtin): Use new CALL_EXPR accessors.
5518
5519         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
5520         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
5521
5522         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
5523         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5524         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
5525
5526         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
5527         build_call_expr.
5528         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
5529         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
5530         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5531         (altivec_expand_abs_builtin): Likewise.
5532         (rs6000_expand_binop_builtin): Likewise.
5533         (altivec_expand_predicate_builtin): Likewise.
5534         (altivec_expand_lv_builtin): Likewise.
5535         (spe_expand_stv_builtin): Likewise.
5536         (altivec_expand_stv_builtin): Likewise.
5537         (rs6000_expand_ternop_builtin): Likewise.
5538         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
5539         (altivec_expand_st_builtin): Likewise.
5540         (altivec_expand_dst_builtin): Likewise.
5541         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
5542         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5543         (altivec_expand_vec_set_builtin): Likewise.
5544         (altivec_expand_vec_ext_builtin): Likewise.
5545         (altivec_expand_builtin): Use new CALL_EXPR accessors.
5546         (spe_expand_builtin): Likewise.
5547         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
5548         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5549         (spe_expand_evsel_builtin): Likewise.
5550         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
5551         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
5552
5553         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
5554         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5555         (arm_expand_unop_builtin): Likewise.
5556         (arm_expand_builtin): Use new CALL_EXPR accessors.
5557
5558         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
5559         accessors.
5560
5561         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
5562         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5563         (bfin_expand_unop_builtin): Likewise.
5564         (bfin_expand_builtin): Use new CALL_EXPR accessors.
5565
5566 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5567             Brooks Moses  <brooks.moses@codesourcery.com>
5568             Lee Millward  <lee.millward@codesourcery.com>
5569
5570         * c-semantics.c (build_stmt): Add internal diagnostic check.
5571
5572         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
5573         accessors.  Print arguments explicitly instead of as a list.
5574
5575         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
5576
5577         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
5578         (c_finish_omp_flish): Likewise.
5579
5580         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
5581         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
5582         instead of TREE_CODE_LENGTH.
5583         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
5584         (c_warn_unused_result): Likewise.
5585
5586 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5587
5588         PR c/26494
5589         * doc/invoke.texi (Warning Options): Remove
5590         -Werror-implicit-function-declaration.
5591         (Wimplicit-function-declaration): Update description.
5592         * opts.c (common_handle_option): Move handling of -Werror=* to...
5593         (enable_warning_as_error): ...here.
5594         * opts.h (enable_warning_as_error): Declare.
5595         * c-decl.c (implicit_decl_warning): Unless
5596         -Wno-implicit-function-declaration is given, emit a pedwarn if
5597         -std=c99 or emit a warning if -Wimplicit-function-declaration.
5598         * c.opt (Wimplicit-function-declaration): Replace
5599         mesg_implicit_function_declaration with
5600         warn_implicit_function_declaration.
5601         * c-opts.c (c_common_handle_option):
5602         -Werror-implicit-function-declaration is exactly equal as
5603         -Werror=implicit-function-declaration.
5604         (set_Wimplicit): Replace mesg_implicit_function_declaration with
5605         warn_implicit_function_declaration.
5606         (c_common_post_options): -Wimplict-function-declaration is enabled
5607         by default by -std=c99, otherwise is disabled by default.
5608         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
5609
5610 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5611
5612         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
5613         DECL on the rhs to a DECL on the lhs for debug info purposes if the
5614         former is ignored but not the latter.
5615
5616 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5617
5618         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
5619         is made and the reference doesn't use the alias set of its type,
5620         do not create the temporary using that type.
5621
5622 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
5623
5624         * jump.c: Remove prototypes for delete_computation and
5625         delete_prior_computation.
5626
5627 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
5628
5629         * jump.c (get_label_after): Delete.
5630         (get_label_before, delete_computation, delete_jump,
5631         delete_prior_computation, follow_jumps): Move...
5632         * reorg.c (delete_computation, delete_prior_computation): ... here...
5633         (get_label_before, delete_jump): ... making these static ...
5634         (follow_jumps): ... and simplifying this since it only runs after
5635         reload.
5636         * rtl.h (get_label_after, get_label_before, delete_jump,
5637         follow_jumps): Delete prototypes.
5638
5639 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
5640
5641         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
5642
5643 2007-02-15  Nick Clifton  <nickc@redhat.com>
5644
5645         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
5646         order to prevent it from being munged by the target.
5647
5648 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
5649
5650         * config/i386/i386.md: Remove misleading comment.
5651
5652 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5653
5654         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
5655         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
5656         invalid patterns.
5657
5658 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5659
5660         * tree-sra.c (instantiate_missing_elements): Canonicalize
5661         bit-field types.
5662         (sra_build_assignment): New.
5663         (generate_copy_inout, generate_element_copy,
5664         generate_element_zero, generate_one_element_init): Use it.
5665
5666 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5667
5668         * tree-sra.c (instantiate_missing_elements): Canonicalize
5669         bit-field types.
5670         (sra_build_assignment): New.
5671         (generate_copy_inout, generate_element_copy,
5672         generate_element_zero, generate_one_element_init): Use it.
5673
5674 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5675
5676         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
5677         limbo die nodes.
5678
5679 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
5680
5681         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
5682         types as aggregates not scalars.
5683         * function.c (assign_stack_temp_for_type): Likewise.
5684
5685 2007-02-14  Roger Sayle  <roger@eyesopen.com>
5686             Zdenek Dvorak  <dvorakz@suse.cz>
5687
5688         * tree-dump.c (dump_switch_p_1): Require exact match of the option
5689         name.
5690
5691 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
5692
5693         * passes.c (next_pass_1): Clear the next field of the copied
5694         pass structure.
5695
5696 2007-02-14  Richard Henderson  <rth@redhat.com>
5697
5698         * tree-sra.c (early_sra): New.
5699         (decl_can_be_decomposed_p): Deny va_list if early_sra.
5700         (tree_sra_early, pass_sra_early): New.
5701         * tree-pass.h (pass_sra_early): Declare.
5702         * passes.c (init_optimization_passes): Use it.
5703
5704 2007-02-14  Richard Guenther  <rguenther@suse.de>
5705
5706         * flags.h (issue_strict_overflow_warning): Convert to a macro.
5707
5708 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
5709
5710          PR tree-optimization/30771
5711         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
5712         also phi nodes.
5713         (vect_analyze_operations): Induction phis can now be marked as
5714         used_in_loop.
5715         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
5716         Update documentation accordingly.
5717
5718 2007-02-14  Nick Clifton  <nickc@redhat.com>
5719
5720         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
5721         most 3 arguments are supported.
5722         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
5723
5724 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
5725
5726         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
5727         Ensure dst->current is valid.
5728
5729 2007-02-13  Paul Brook  <paul@codesourcery.com>
5730
5731         * config.gcc: Add arm*-*-uclinux-*eabi.
5732         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
5733         (SUBTARGET_EXTRA_LINK_SPEC): Define.
5734         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
5735         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
5736         (LINK_SPEC): Define.
5737         (LIB_SPEC): Define.
5738         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
5739         register.
5740         * config/arm/uclinux-eabi.h: New file.
5741         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
5742         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
5743         based targets.
5744
5745 2007-02-13  Ian Lance Taylor  <iant@google.com>
5746
5747         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
5748         * flags.h (warn_strict_overflow): Declare.
5749         (enum warn_strict_overflow_code): Define.
5750         (issue_strict_overflow_warning): New static inline function.
5751         * opts.c (warn_strict_overflow): New variable.
5752         (common_handle_option): Handle OPT_Wstrict_overflow and
5753         OPT_Wstrict_overflow_.
5754         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
5755         OPT_Wall.
5756         * fold-const.c: Include intl.h.
5757         (fold_deferring_overflow_warnings): New static variable.
5758         (fold_deferred_overflow_warning): New static variable.
5759         (fold_deferred_overflow_code): New static variable.
5760         (fold_defer_overflow_warnings): New function.
5761         (fold_undefer_overflow_warnings): New function.
5762         (fold_undefer_and_ignore_overflow_warnings): New function.
5763         (fold_deferring_overflow_warnings_p): New function.
5764         (fold_overflow_warning): New static function.
5765         (make_range): Add strict_overflow_p parameter.  Change all
5766         callers.
5767         (extract_muldiv, extract_muldiv_1): Likewise.
5768         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
5769         tree_expr_nonnegative_p.
5770         (fold_negate_expr): Call fold_overflow_warning.
5771         (fold_range_test): Likewise.
5772         (fold_comparison): Likewise.
5773         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
5774         instead of tree_expr_nonnegative_p.
5775         (tree_expr_nonnegative_warnv_p): Rename from
5776         tree_expr_nonnegative_p, add strict_overflow_p parameter.
5777         (tree_expr_nonnegative_p): New function.
5778         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
5779         strict_overflow_p parameter.
5780         (tree_expr_nonzero_p): New function.
5781         * passes.c (verify_interpass_invariants): New static function.
5782         (execute_one_pass): Call it.
5783         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
5784         warnings.
5785         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
5786         (estimate_numbers_of_iterations): Likewise.
5787         (scev_probably_wraps_p): Likewise.
5788         * tree-ssa-ccp.c: Include "toplev.h".
5789         (evaluate_stmt): Defer fold overflow warnings until we know we are
5790         going to optimize.
5791         (struct fold_stmt_r_data): Add stmt field.
5792         (fold_stmt_r): Defer fold overflow warnings until we know we
5793         optimized.
5794         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
5795         (fold_stmt_inplace): Likewise.
5796         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
5797         (cleanup_control_expr_graph): Defer fold overflow warnings until
5798         we know we are going to optimize.
5799         * tree-cfg.c (fold_cond_expr_cond): Likewise.
5800         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
5801         Likewise.
5802         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
5803         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
5804         * tree-ssa-loop-manip.c (create_iv): Likewise.
5805         * c-typeck.c (build_conditional_expr): Likewise.
5806         (build_binary_op): Likewise.
5807         * tree-vrp.c (vrp_expr_computes_nonzero): Call
5808         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
5809         (extract_range_from_unary_expr): Likewise.
5810         * simplify-rtx.c (simplify_const_relational_operation): Warn when
5811         assuming that signed overflow does not occur.
5812         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
5813         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
5814         (fold_defer_overflow_warnings): Declare.
5815         (fold_undefer_overflow_warnings): Declare.
5816         (fold_undefer_and_ignore_overflow_warnings): Declare.
5817         (fold_deferring_overflow_warnings_p): Declare.
5818         (tree_expr_nonzero_warnv_p): Declare.
5819         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
5820         of warning options.
5821         (Warning Options): Document -Wstrict-overflow.
5822         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
5823         (tree-ssa-ccp.o): Likewise.
5824         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
5825         (fold-const.o): Depend on intl.h.
5826
5827 2007-02-13  Ian Lance Taylor  <iant@google.com>
5828
5829         PR middle-end/30751
5830         * lower-subreg.c (resolve_simple_move): Decompose subregs in
5831         addresses.
5832
5833 2007-02-13  Stuart Hastings  <stuart@apple.com>
5834
5835         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
5836
5837 2007-02-13  Richard Henderson  <rth@redhat.com>
5838
5839         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
5840         handled_component_p before looking for the indirect_ref.
5841
5842 2007-02-13  Richard Henderson  <rth@redhat.com>
5843
5844         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
5845         remove flags clobber.
5846         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
5847         (bswaphi_lowpart): New.
5848         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
5849         remove TARGET_BSWAP test.  Delete expander of the same name.
5850
5851         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
5852         (expand_unop): Use them.
5853
5854 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
5855
5856         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
5857         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
5858         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
5859         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
5860         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
5861         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
5862         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
5863         assembler dialect choice from asm templates.
5864
5865 2007-02-12  Richard Henderson  <rth@redhat.com>
5866
5867         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
5868         (fixuns_trunc<SSEMODEF>si2): Use it.
5869         * config/i386/sse.md (vec_setv4sf_0): Export.
5870         * config/i386/i386.c (ix86_build_const_vector): Export.
5871         (ix86_split_convert_uns_si_sse): Rename from
5872         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
5873         * config/i386/i386-protos.h: Update.
5874
5875 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5876
5877         PR c/29521
5878         * c-typeck.c (c_finish_return): Improve warning message.
5879
5880 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5881
5882         * alias.c (find_symbolic_term): Delete unused function.
5883
5884 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
5885
5886         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
5887         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
5888         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
5889
5890 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
5891
5892         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
5893         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
5894         the function, temporarily point the debug interface to the null one.
5895
5896 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
5897
5898         * dwarf2out.c (round_up_to_align): New static function.
5899         (field_byte_offset): Use it to round the offset.
5900
5901 2007-02-12  Richard Henderson  <rth@redhat.com>
5902
5903         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
5904         (inswl_const): Export.
5905
5906 2007-02-12  Richard Henderson  <rth@redhat.com>
5907
5908         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
5909         result mode of the libcall, convert back to outmode.
5910
5911 2007-02-12  Roger Sayle  <roger@eyesopen.com>
5912
5913         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
5914         (bswapdi2): New define_expand to implement 32-bit implementation.
5915
5916 2007-02-12  Nick Clifton  <nickc@redhat.com>
5917
5918         * doc/invoke.texi (Overall Options): Document --help=.
5919         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
5920         (cc1_options): Pass --help= on to cc1.
5921         (display_help): Add description of --help=.
5922         (process_command): Add code to handle --help=.  Allow translated
5923         --help and --target-help switches to be passed on to compiler
5924         sub-process.
5925         (main): Remove unused if statement.
5926         * opts.c (columns): Remove.
5927         (LEFT_COLUMN): Define.
5928         (wrap_help): Add columns argument.
5929         (print_filtered_help): Change parameters to be an include bitmask,
5930         an exclude bitmask, an any bitmask and the column width.  Move the
5931         code to display the params list here.  Add code to display the
5932         status of options rather than their descriptions if the quiet flag
5933         is not active.
5934         (print_specific_help): Change parameters to be an include bitmask,
5935         an exclude bitmask and an any bitmask.  Move code to look up the
5936         column width here.  Decide upon the title for an options listing.
5937         (common_handle_options): Add code to handle --help=.  Adapt code
5938         for --help and --target-help to use the revised form of the
5939         print_specific_help function.
5940         (print_help): Delete.
5941         (print_param_help): Delete.
5942         (print_switch): Delete.
5943         * opts.h (cl_lang_count): Add prototype.
5944         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
5945         CL_MAX_OPTION_CLASS): New defines.
5946         * optc-gen.awk: Add construction of cl_lang_count.
5947         * c.opt: Add Warning attribute to warning options and Optimization
5948         attribute to optimization options.
5949         * common.opt: Likewise.
5950         Add --help=.
5951         Add -fhelp and -ftarget-help as aliases for the transformed --help
5952         and --target-help options.
5953         * opt-functions.awk: Add code to handle Warning and Optimization
5954         attributes.
5955
5956 2007-02-12  Richard Henderson  <rth@redhat.com>
5957
5958         * config/alpha/constraints.md: New file.
5959         * config/alpha/alpha.c: Include tm-constrs.h.
5960         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
5961         alpha_extra_constraint): Remove.
5962         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
5963         * config/alpha/alpha-protos.h: Update.
5964         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
5965         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
5966         (EXTRA_CONSTRAINT): Remove.
5967         * config/alpha/alpha.md: Include constraints.md.
5968         (adddi splitter): Use satisfies_constraint_*.
5969         * config/alpha/predicates.md (add_operand): Likewise.
5970         (sext_add_operand, addition_operation): Likewise.
5971
5972 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
5973
5974         PR tree-optimization/29145
5975         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
5976         in our handling of restrict qualified pointers.
5977
5978 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5979
5980         PR middle-end/7651
5981         * doc/invoke.texi (Wunused-value): Update description.
5982         (Wextra): Delete item.
5983         * opts.c (set_Wextra): Don't use the value of Wextra to set the
5984         value of Wunused-value.
5985         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
5986         (c_finish_stmt_expr): Don't check extra_warnings.
5987         (emit_side_effect_warnings): The caller is responsible to check
5988         warn_unused_value.
5989
5990 2007-02-11  Roger Sayle  <roger@eyesopen.com>
5991             Matt Thomas  <matt@3am-software.com>
5992
5993         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
5994
5995 2007-02-11  Roger Sayle  <roger@eyesopen.com>
5996
5997         * simplify-rtx.c (simplify_relational_operation_1): Optimize
5998         comparisons of POPCOUNT against zero.
5999         (simplify_const_relational_operation): Likewise.
6000
6001 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6002
6003         * doc/invoke.texi (Wextra): Delete outdated paragraph.
6004
6005 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6006
6007         * dwarf2out.c (root_type): Delete unused function.
6008
6009 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6010
6011         * genattrtab.c (contained_in_p): Delete unused function.
6012         (write_expr_attr_cache): Likewise.
6013
6014 2007-02-11  Jan Hubicka  <jh@suse.cz>
6015
6016         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
6017         previous patch.
6018
6019 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
6020
6021         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
6022         to add the REG_EQ* note.
6023         * see.c (see_merge_one_use_extension): Likewise.
6024         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
6025         turn REG_EQUAL notes into REG_EQUIV notes if the target
6026         register may have more than one set.
6027         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
6028         * gcse.c (try_replace_reg): Likewise.
6029         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
6030         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
6031         more than one REG_EQUIV note.
6032         * reload1.c (gen_reload): Use set_unique_reg_note.
6033
6034 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
6035
6036         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
6037         (ix86_builtin_conversion): New function.
6038
6039 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
6040
6041         PR target/29487
6042         * tree.h (DECL_REPLACEABLE_P): New macro.
6043         * except.c (set_nothrow_function_flags): Likewise.
6044
6045 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
6046             Ira Rosen  <irar@il.ibm.com>
6047             Dorit Nuzman  <dorit@il.ibm.com>
6048
6049         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
6050         * targhooks.c (default_builtin_vectorized_conversion): New.
6051         * targhooks.h (default_builtin_vectorized_function): New declaration.
6052         * target.h (struct vectorize): Add builtin_conversion field.
6053         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
6054         stmt_vec_info_type value.
6055         (vectorizable_conversion): New declaration.
6056         * tree-vect-analyze.c (vect_analyze_operations): Add
6057         vectorizable_conversion call.
6058         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
6059         * tree-vect-transform.c (vectorizable_conversion): New function.
6060         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
6061         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
6062         mode.
6063         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
6064         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
6065         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
6066         or ALTIVEC_BUILTIN_VCFSX.
6067
6068 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6069
6070         PR target/30634
6071         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
6072         CONST_DOUBLE and operand 0 is a hard register.
6073         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
6074         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
6075         is a hard floating-point register.
6076
6077 2007-02-10  Richard Henderson  <rth@redhat.com>
6078             Jakub Jelinek  <jakub@redhat.com>
6079             Alexandre Oliva  <aoliva@redhat.com>
6080
6081         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
6082         * builtin-types.def (BT_WORD): Make unsigned.
6083         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
6084         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
6085         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
6086         * c-decl.c (grokdeclarator): Don't error if !have_tls.
6087         * c-parser.c (c_parser_omp_threadprivate): Likewise.
6088         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
6089         emulated tls.
6090         * expr.c (emutls_var_address): New.
6091         (expand_expr_real_1): Expand emulated tls.
6092         (expand_expr_addr_expr_1): Likewise.
6093         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
6094         * output.h (emutls_finish): Declare.
6095         * toplev.c (compile_file): Call it.
6096         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
6097         address before wrapping in CONST.
6098         * varasm.c (emutls_htab, emutls_object_type): New.
6099         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
6100         (get_emutls_object_name, get_emutls_object_type): New.
6101         (get_emutls_init_templ_addr, emutls_decl): New.
6102         (emutls_common_1, emutls_finish): New.
6103         (assemble_variable): When emulating tls, swap decls; generate
6104         constructor for the emutls objects.
6105         (do_assemble_alias): When emulating tls, swap decl and target name.
6106         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
6107         for emulated tls.
6108         * varpool.c (decide_is_variable_needed): Look at force_output.
6109         Recurse for emulated tls.
6110         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
6111         with decide_is_variable_needed.
6112         * emutls.c: New file.
6113         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
6114         tls_object for real tls.
6115
6116 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
6117
6118         PR rtl-optimization/29599
6119         * reload1.c (eliminate_regs_in_insn): Take the destination
6120         mode into account when computing the offset.
6121
6122 2007-02-09  Stuart Hastings  <stuart@apple.com>
6123             Richard Henderson  <rth@redhat.com>
6124
6125         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
6126         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
6127         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
6128         fixuns_truncdfhi2): New.
6129         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
6130         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
6131         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
6132         (floatunssidf2): Allow nonimmediate source.
6133         * gcc/config/i386/sse.md (movdi_to_sse): New.
6134         (vec_concatv2di): Drop '*'.
6135         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
6136         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
6137         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
6138         New.
6139         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
6140         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
6141         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
6142         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
6143         (ix86_build_signbit_mask): Fix decl of v, refactor to call
6144         ix86_build_const_vector.
6145         (x86_emit_floatuns): Rewrite.
6146
6147 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6148
6149         * genautomata.c (longest_path_length): Delete unused function.
6150         (struct state): Delete unused longest_path_length.
6151         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
6152         (get_free_state): Delete unused.
6153
6154 2007-02-09  Jan Hubicka  <jh@suse.cz>
6155
6156         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
6157         * doc/invoke.texi (inline-unit-growth): Update default value.
6158
6159         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
6160         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
6161         (rebuild_cgraph_edges): Likewise.
6162         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
6163         (dump_cgraph_node): Dump frequencies.
6164         (cgraph_clone_edge): Add frequency scales.
6165         (cgraph_clone_node): Add freuqnecy.
6166         * cgraph.h (cgraph_edge): Add freuqnecy argument.
6167         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
6168         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
6169         * tree-pass.h (TODO_rebuild_frequencies): New constant.
6170         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
6171         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
6172         (save_inline_function_body): Likewise.
6173         * ipa-inline.c: inluce rtl.h
6174         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
6175         (cgraph_edge_badness): Use frequencies.
6176         (cgraph_decide_recursive_inlining): Update clonning.
6177         (cgraph_decide_inlining_of_small_function): Dump frequency.
6178         * predict.c (estimate_bb_frequencies): Export.
6179         * predict.h (estimate_bb_frequencies): Declare.
6180         * tree-inline.c (copy_bb): Watch overflows.
6181         (expand_call_inline): Update call of cgraph_create_edge.
6182         (optimize_inline_calls): Use TODO flags to update frequnecies.
6183         * passes.h: Include predict.h
6184         (init_optimization_passes): Move profile ahead.
6185         (execute_function_todo): Handle TODO_rebuild_frequencies.
6186
6187 2007-02-09  Roger Sayle  <roger@eyesopen.com>
6188
6189         * config/alpha/alpha.c (emit_insxl): Force the first operand of
6190         the insbl or inswl pattern into a register.
6191
6192 2007-02-09  Roger Sayle  <roger@eyesopen.com>
6193
6194         * config/ia64/ia64.md (bswapdi2): New define_insn.
6195
6196 2007-02-09  Richard Henderson  <rth@redhat.com>
6197
6198         * config/i386/constraints.md (Ym): New constraint.
6199         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
6200         (movdi_1_rex64): Split sse and xmm general register moves from
6201         memory move alternatives.  Use conditional register constraints.
6202         (movsf_1, movdf_integer): Likewise.
6203         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
6204         (movdf_integer_rex64): New.
6205         (pushsf_rex64): Fix output constraints.
6206         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
6207         (sse2_stored): Likewise.
6208         (sse2_storeq_rex64): New.
6209         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
6210         amd and not generic.
6211         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
6212         for optimize_size.  Remove SF/DFmode hack.
6213
6214 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6215
6216         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
6217         (bit_SSE4a): New.
6218
6219 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
6220             Richard Sandiford  <richard@codesourcery.com>
6221
6222         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
6223         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
6224         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
6225         m68k/t-mlib to tmake_file.
6226         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
6227         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
6228         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
6229         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
6230         variable is not empty, add t-$m68k_arch_family to tmake_file.
6231         Add t-mlibs to tmake_file.
6232         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
6233         * config/m68k/t-cf: New file.
6234         * config/m68k/t-m68k: Likewise.
6235         * config/m68k/t-mlibs: Likewise.
6236         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6237         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6238         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
6239         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6240         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
6241         Delete.
6242         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
6243         (INSTALL_LIBGCC): Delete.
6244         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
6245         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6246         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6247         (M68K_MLIB_CPU): Define.
6248         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6249         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6250         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
6251
6252 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
6253             Richard Guenther  <rguenther@suse.de>
6254
6255         PR middle-end/23361
6256         * fold-const.c (fold_comparison): Handle obfuscated comparisons
6257         against INT_MIN/INT_MAX.
6258         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
6259         file if a loop is removed.
6260
6261 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
6262
6263         * calls.c (store_one_arg): Pass correct alignment to
6264         emit_push_insn for non-BLKmode values.
6265         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
6266         unaligned stack slot via a suitably aligned slot.
6267
6268 2007-02-08  DJ Delorie  <dj@redhat.com>
6269
6270         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
6271         warnings.
6272         (legal_subregs): Use unsigned char, make const.
6273         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
6274
6275 2007-02-08  Paul Brook  <paul@codesourcery.com>
6276
6277         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
6278         special interworking needed.
6279
6280 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
6281
6282         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
6283         conditional to __SSE2__.
6284         (Entries below should have been added to first ChangeLog
6285         entry for amdfam10 dated 2007-02-05)
6286         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
6287         defined.
6288         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
6289         defined.
6290         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
6291         defined.
6292
6293 2007-02-08  DJ Delorie  <dj@redhat.com>
6294
6295         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
6296         * config/m32c/m32c.c (legal_subregs): New.
6297         (m32c_illegal_subreg_p): New.
6298         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
6299         unsupported subregs of hard regs.
6300
6301 2007-02-08  Jan Hubicka  <jh@suse.cz>
6302
6303         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
6304         the same one; always update histograms.
6305
6306 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
6307
6308         * passes.c (init_optimization_passes): Tidy comment.
6309
6310 2007-02-08  Roger Sayle  <roger@eyesopen.com>
6311
6312         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
6313         strip zero_extend, bswap and rotates from POCOUNT's argument.
6314         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
6315         zero_extend and rotates from PARITY's argument.
6316         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
6317         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
6318         of an integer constant at compile-time.
6319
6320 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
6321
6322         PR 30562
6323         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
6324         Update all users.
6325         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
6326         users.
6327         (init_alias_info):
6328         * tree-ssa-live.c (remove_unused_locals): Do not remove
6329         TREE_ADDRESSABLE variables.
6330         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
6331         * tree-ssa-operands.c (add_virtual_operand): Remove argument
6332         FOR_CLOBBER.  Update all users.
6333         If VAR has an associated alias set, add a virtual operand for
6334         it if no alias is found to conflict with the memory reference.
6335
6336 2007-02-07  Jan Hubicka  <jh@suse.cz>
6337             Robert Kidd <rkidd@crhc.uiuc.edu>
6338
6339         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
6340
6341 2007-02-07  Ian Lance Taylor  <iant@google.com>
6342
6343         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
6344
6345 2007-02-07  Roger Sayle  <roger@eyesopen.com>
6346
6347         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
6348         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
6349         tablejumpdi, movsi_to_cr_one): Remove constraints from
6350         define_expand's match_operands.
6351
6352 2007-02-07  Roger Sayle  <roger@eyesopen.com>
6353
6354         * global.c (compute_regsets): Move declatation of "i" inside of
6355         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
6356
6357 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
6358
6359         PR c++/30703
6360         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
6361         of INDIRECT_REF <RESULT_DECL>.
6362
6363         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
6364
6365 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
6366             Kaz Kojima  <kkojima@gcc.gnu.org>
6367
6368         PR target/29746
6369         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
6370         properly.
6371         (sh_initialize_trampoline): Add parentheses to avoid a warning.
6372
6373 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
6374
6375         * doc/loop.texi: Document possibility not to perform disambiguation
6376         of loops with multiple latches.
6377         * cfgloopmanip.c (alp_enum_p): Removed.
6378         (add_loop): Handle subloops.  Use get_loop_body_with_size.
6379         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
6380         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
6381         the new forwarder block.
6382         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
6383         Handle the case latch is NULL.
6384         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
6385         when marking loop exits.
6386         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
6387         be modified.
6388         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
6389         disambiguate_loops_with_multiple_latches.
6390         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
6391         before fix_loop_structure.
6392         * cfgloop.c: Include pointer-set.h and output.h.
6393         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
6394         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
6395         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
6396         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
6397         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
6398         disambiguate_multiple_latches, get_loop_body_with_size,
6399         disambiguate_loops_with_multiple_latches): New functions.
6400         (flow_loop_dump): Dump multiple latch edges.
6401         (flow_loop_nodes_find): Handle loops with multiple latches.
6402         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
6403         (glb_enum_p): Modified.
6404         (get_loop_body): Use get_loop_body_with_size.
6405         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
6406         (AVOID_CFG_MODIFICATIONS): New constant.
6407         (disambiguate_loops_with_multiple_latches, add_loop,
6408         get_loop_body_with_size): Declare.
6409         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
6410
6411 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
6412
6413         PR inline-asm/28686
6414         * global.c (compute_regsets): New function.
6415         (global_alloc): Refactored ELIMINABLE_REGSET
6416         and NO_GLOBAL_ALLOC_REGS computation out.
6417         (rest_of_handle_global_alloc): Call compute_regsets()
6418         for non-optimizing case.
6419
6420 2007-02-06  Richard Henderson  <rth@redhat.com>
6421
6422         * config/i386/constraints.md (Y2): Rename from Y.
6423         (Yi): New constraint.
6424         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
6425         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
6426         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
6427         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
6428         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
6429         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
6430         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
6431         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
6432         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
6433         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
6434         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
6435         vec_extractv2si_1): Change Y constraints to Y2.
6436         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
6437         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
6438         Change Y constraints to Y2.
6439         (sse2_loadld): Change Y constraints to x.
6440
6441 2007-02-06  Roger Sayle  <roger@eyesopen.com>
6442
6443         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
6444         (parity<mode>2): New define_expand using rs6000_emit_parity.
6445         * config/rs6000/rs6000.c (rs6000_emit_popcount,
6446         rs6000_emit_parity): New functions.
6447         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
6448         rs6000_emit_parity): Prototype here.
6449
6450 2007-02-06  Ian Lance Taylor  <iant@google.com>
6451
6452         * lower-subreg.c (simple_move_operand): Reject CONST.
6453         (resolve_clobber): Call validate_change rather than directly
6454         assigning to XEXP (pat, 0).
6455
6456 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
6457
6458         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
6459         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
6460         (tree-cfg.o): Remove hashtab.h dependency.
6461
6462         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
6463         (struct ivopts_data): Change niters to pointer_map_t.
6464         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
6465         (niter_for_exit): Create pointer_map on demand.  Change for
6466         pointer_map API.
6467         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
6468         (free_loop_data): Destroy data->niters if created and reset field.
6469         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
6470         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
6471
6472         * tree-ssa-reassoc.c: Include pointer-set.h.
6473         (bb_rank): Change to long *.
6474         (operand_rank): Change to pointer_map_t.
6475         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
6476         (insert_operand_rank): Accept long.
6477         (operand_entry_hash, operand_entry_eq): Remove.
6478         (get_rank): Return long.  Adjust for changes above.
6479         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
6480         and operand_rank.
6481         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
6482
6483         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
6484         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
6485         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
6486         is not NULL.
6487         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
6488         directly since it cannot be NULL.
6489         (get_vi_for_tree): Rewrite for pointer_map API.
6490         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
6491         (init_alias_vars): Create vi_for_tree as pointer_map.
6492         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
6493
6494         * tree-cfg.c: Don't include hashtab.h.
6495         (edge_to_cases): Declare as pointer_map.
6496         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
6497         Delete.
6498         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
6499         (start_recording_case_labels): Create edge_to_cases as pointer_map.
6500         (end_recoding_case_labels): Cleanup edge_to_cases manually before
6501         destroying it.
6502         (record_switch_edge): Delete.
6503         (get_cases_for_edge): Adjust for pointer_map API, inline
6504         record_switch_edge (rewritten for new API), remove goto.
6505
6506 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
6507
6508         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
6509         * tree-nested.c: Include pointer-set.h.
6510         (var_map_elt, var_map_eq, var_map_hash): Delete.
6511         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
6512         to pointer_map_t's.
6513         (nesting_info_bitmap_obstack): New.
6514         (lookup_field_for_decl): Adjust for pointer_map API.
6515         (lookup_tramp_for_decl): Adjust for pointer_map API.
6516         (get_nonlocal_debug_decl): Adjust for pointer_map API.
6517         (get_local_debug_decl): Adjust for pointer_map API.
6518         (convert_nl_goto_reference): Adjust for pointer_map API.
6519         (convert_nl_goto_receiver): Adjust for pointer_map API.
6520         (create_nesting_tree): Create outside GGC space.  Create bitmap on
6521         the new obstack.  Create field_map and var_map as pointer_maps.
6522         (free_nesting_tree): Adjust for changes to create_nesting_tree.
6523         (root): Delete.
6524         (lower_nested_functions): Move root here, no need to NULL it.
6525         Initialize and release the obstack.
6526
6527 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
6528
6529         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
6530         Remove prototypes and make them non-static.
6531         (struct tree_int_map): Remove.
6532         * tree.h (struct tree_int_map): Move here, turning TO into an
6533         unsigned int.
6534         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
6535
6536         * tree.h (TREE_COMPLEXITY): Remove.
6537         (struct tree_exp): Remove complexity field.
6538         * tree.c (build1_stat): Don't set it.
6539
6540 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
6541             Victor Kaplansky  <victork@il.ibm.com>
6542
6543         * tree-vectorizer.c (vect_is_simple_use): Support induction.
6544         (vect_is_simple_reduction): Support reduction with induction as
6545         one of the operands.
6546         (vect_is_simple_iv_evolution): Fix formatting.
6547         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
6548         formatting.  Don't mark induction phis for vectorization.
6549         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
6550         * tree-vect-transform.c (get_initial_def_for_induction): New function.
6551         (vect_get_vec_def_for_operand): Support induction.
6552         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
6553         induction case.
6554         (vectorizable_reduction): Support reduction with induction as one of
6555         the operands.
6556         (vectorizable_type_demotion): Use def-type of stmt argument rather
6557         than dummy def-type.
6558
6559         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
6560         flag_tree_scev_cprop.
6561         * common.opt (tree-scev-cprop): New flag.
6562
6563         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
6564         call to vect_get_new_vect_var.
6565
6566 2007-02-06  Ira Rosen  <irar@il.ibm.com>
6567
6568         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
6569         vectype is not NULL.
6570         (vect_pattern_recog_1): Likewise.
6571
6572 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6573
6574         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
6575         (fold_negate_expr): Likewise.
6576
6577 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
6578
6579         PR debug/30189
6580         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
6581         even if cv-qualification is the same.
6582
6583 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
6584
6585         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
6586         __enable_execute_stack on completion.
6587
6588 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6589
6590         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
6591         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
6592         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
6593         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
6594         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
6595         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
6596         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
6597         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
6598
6599 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6600
6601         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
6602         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
6603         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
6604         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
6605         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
6606         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
6607         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
6608         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
6609         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
6610         umuldi3_highpart_rex64, umulsi3_highpart_insn,
6611         umulsi3_highpart_zext, smuldi3_highpart_rex64,
6612         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
6613         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
6614         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
6615         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
6616         sqrtextenddfxf2_i387): Added amdfam10_decode.
6617
6618         * config/i386/athlon.md (athlon_idirect_amdfam10,
6619         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
6620         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
6621         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
6622         athlon_ivector_store_amdfam10): New define_insn_reservation.
6623         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
6624         amdfam10.
6625
6626 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6627
6628         * config/i386/athlon.md (athlon_call_amdfam10,
6629         athlon_pop_amdfam10, athlon_lea_amdfam10): New
6630         define_insn_reservation.
6631         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
6632         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
6633         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
6634
6635 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6636
6637         * config/i386/athlon.md (athlon_sseld_amdfam10,
6638         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
6639         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
6640
6641 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6642
6643         * config/i386/athlon.md (athlon_sseins_amdfam10): New
6644         define_insn_reservation.
6645         * config/i386/i386.md (sseins): Added sseins to define_attr type
6646         and define_attr unit.
6647         * config/i386/sse.md: Set type attribute to sseins for insertq
6648         and insertqi.
6649
6650 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6651
6652         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
6653         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
6654         ssecomi_load_amdfam10, ssecomi_amdfam10,
6655         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
6656         define_insn_reservation.
6657         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
6658
6659 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6660
6661         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
6662         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
6663         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
6664         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
6665         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
6666         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
6667         define_insn_reservation.
6668
6669         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
6670         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
6671         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
6672         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
6673         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
6674
6675 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6676
6677         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
6678         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
6679         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
6680         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
6681         athlon_ssemul_load_k8): Added amdfam10.
6682
6683 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6684
6685         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
6686         (x86_sse_unaligned_move_optimal): New variable.
6687
6688         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
6689         m_AMDFAM10.
6690         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
6691         for unaligned vector SSE double/single precision loads for AMDFAM10.
6692
6693 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6694
6695         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
6696         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
6697         Define TARGET_CPU_DEFAULT_amdfam10.
6698         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
6699         (processor_type): Add PROCESSOR_AMDFAM10.
6700
6701         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
6702         processor_type in config/i386/i386.h.
6703         Enable imul peepholes for TARGET_AMDFAM10.
6704
6705         * config.gcc: Add support for --with-cpu option for amdfam10.
6706
6707         * config/i386/i386.c (amdfam10_cost): New variable.
6708         (m_AMDFAM10): New macro.
6709         (m_ATHLON_K8_AMDFAM10): New macro.
6710         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
6711         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
6712         x86_promote_QImode, x86_integer_DFmode_moves,
6713         x86_partial_reg_dependency, x86_memory_mismatch_stall,
6714         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
6715         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
6716         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
6717         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
6718         Enable/disable for amdfam10.
6719         (override_options): Add amdfam10_cost to processor_target_table.
6720         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
6721         processor_alias_table.
6722         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
6723         (ix86_adjust_cost): Add code for amdfam10.
6724
6725 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6726
6727         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
6728         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
6729         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
6730         * config/i386/i386.h: Add builtin definition for SSE4A.
6731         * config/i386/i386.md: Add support for ABM instructions
6732         (popcnt and lzcnt).
6733         * config/i386/sse.md: Add support for SSE4A instructions
6734         (movntss, movntsd, extrq, insertq).
6735         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
6736         Add -march=amdfam10 flag.
6737         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
6738         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
6739         and amdfam10.
6740         * doc/extend.texi: Add documentation for SSE4A builtins.
6741
6742 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
6743
6744         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
6745
6746 2007-02-05  Richard Guenther  <rguenther@suse.de>
6747
6748         * tree-vectorizer.h (vectorizable_function): Add argument type
6749         argument, change return type.
6750         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
6751         * tree-vect-transform.c (vectorizable_function): Handle extra
6752         argument, return vectorized function decl.
6753         (build_vectorized_function_call): Remove.
6754         (vectorizable_call): Handle calls with result and argument types
6755         differing.  Handle loop vectorization factor correctly.
6756         * targhooks.c (default_builtin_vectorized_function): Adjust for
6757         extra argument.
6758         * targhooks.h (default_builtin_vectorized_function): Likewise.
6759         * target.h (builtin_vectorized_function): Add argument type
6760         argument.
6761         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
6762         extra argument, allow vectorizing of lrintf.
6763         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
6764         documentation of target hook.
6765
6766 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
6767
6768         PR target/30665
6769         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
6770         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
6771         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
6772
6773 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6774
6775         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
6776         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
6777         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
6778         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
6779         before canonicalizing sincos to cexpi.
6780         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
6781
6782 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6783
6784         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
6785         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
6786         (alpha_init_builtins): Use alpha_add_builtins to process tables.
6787
6788 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6789
6790         * mips-tfile.c (initialize_init_file): Correct endianness test.
6791
6792 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
6793
6794         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
6795         the 'y' constraint.
6796
6797 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
6798
6799         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
6800         saves in a PARALLEL before the register assignments.
6801
6802 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
6803
6804         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
6805         DWARF_FRAME_RETURN_COLUMN to be a general register.
6806         * dwarf2out.c (init_return_column_size): New function, split from...
6807         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
6808         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
6809         to be nongeneral registers.
6810         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
6811         integer registers.
6812         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
6813         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
6814
6815 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
6816
6817         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
6818
6819 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
6820
6821         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
6822         (remove_path): Use can_remove_branch_p and remove_branch instead
6823         of loop_delete_branch_edge.
6824         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
6825         (tree_transform_and_unroll_loop): Remove dead branches immediately.
6826         Update profile using scale_dominated_blocks_in_loop.
6827         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
6828         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
6829         (can_remove_branch_p, remove_branch): Declare.
6830         * tree-cfg.c (tree_can_remove_branch_p): New function.
6831         (tree_cfg_hooks): Add tree_can_remove_branch_p.
6832         * cfgrtl.c (rtl_can_remove_branch_p): New function.
6833         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
6834
6835 2007-02-05  Jan Hubicka  <jh@suse.cz>
6836
6837         PR middle-end/30696
6838         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
6839         nodes in cgraph, don't remove offline copy of the function.
6840
6841 2007-02-04  Jan Hubicka  <jh@suse.cz>
6842
6843         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
6844         vectors might cause maybe_lookup_element_for_expr to be called
6845         on non-sra-candidate.
6846
6847 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6848
6849         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
6850         config/bfin/bfin.md, config/bfin/predicates.md: Follow
6851         spelling conventions.
6852
6853 2007-02-04  Richard Guenther  <rguenther@suse.de>
6854
6855         PR middle-end/30636
6856         * fold-const.c (try_move_mult_to_index): Make sure to not
6857         overflow one dimension of a multi-dimensional array access.
6858
6859 2007-02-04  Jan Hubicka  <jh@suse.cz>
6860
6861         * passes.c (init_optimization_passes): Reindent.
6862
6863 2007-02-04  Jan Hubicka  <jh@suse.cz>
6864             Eric Botcazou  <ebotcazou@adacore.com>
6865
6866         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
6867         (execute_fixup_cfg): Break out the abnormal goto code.
6868         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
6869         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
6870         (optimize_inline_calls): Call make_nonlocal_label_edges.
6871
6872 2007-02-04  Jan Hubicka  <jh@suse.cz>
6873
6874         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
6875         true when something was changed.
6876         (rename_ssa_copies): When something was changed, do
6877         TODO_remove_unused_locals.
6878         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
6879         add TODO_remove_unused_locals when instruction was removed.
6880
6881 2007-02-04  Jan Hubicka  <jh@suse.cz>
6882
6883         * ipa-inline.c (try_inline): Improve debug output; work on already
6884         inline edges too.
6885         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
6886         call try_inline for already inlined edges too when flattening;
6887         inline also functions that make callee growth but overall unit size
6888         reduce.
6889
6890 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6891
6892         * config/m32c/bitops.md, config/m32c/jump.md,
6893         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
6894         config/m32r/m32r.h, config/m32r/m32r.md,
6895         config/m32r/predicates.md, config/m68hc11/larith.asm,
6896         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
6897         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
6898         config/mips/mips-protos.h, config/mips/mips.c,
6899         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
6900         config/mn10300/mn10300.h, config/mn10300/predicates.md,
6901         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
6902         spelling conventions.
6903
6904         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
6905         Follow spelling conventions.
6906
6907 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
6908
6909         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
6910         warn about C++0x compatibility.
6911
6912 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6913
6914         * config/h8300/h8300.c, config/h8300/h8300.h,
6915         config/h8300/h8300.md: Follow spelling conventions.
6916
6917 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
6918
6919         PR middle-end/30667
6920         * combine.c (try_combine): Do not substitute source operand
6921         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
6922
6923 2007-02-03  Jan Hubicka  <jh@suse.cz>
6924
6925         PR gcov-profile/30650
6926         * value-prof.c (stringop_block_profile): Fix handling of size counter;
6927         do not divide by zero for never executed counters.
6928         (tree_find_values_to_profile): Fix counters.
6929         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
6930
6931 2007-02-03  Ian Lance Taylor  <iant@google.com>
6932
6933         * lower-subreg.c (simple_move_operand): New static function,
6934         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
6935         operands.
6936         (simple_move): Call simple_move_operand.
6937         (find_decomposable_subregs): Add special handling of MEMs.
6938         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
6939         meaning of return value.  If we see a hard register, test whether
6940         it can store a word_mode value.  Change all callers.
6941
6942 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6943
6944         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
6945         ftrapv insns and expanders.
6946         (subdi3): Change define_expand operand 1 to arith11_operand, and
6947         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
6948         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
6949         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
6950         respectively.
6951
6952         PR middle-end/30174
6953         * varasm.c (notice_global_symbol): Treat global objects as weak when
6954         flag_shlib is true.
6955
6956 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6957
6958         * emit-rtl.c (dconstpi): Delete.
6959         (dconstsqrt2): New.
6960         (init_emit_once): Delete dconstpi and init dconstsqrt2.
6961         * real.h (dconstpi): Delete.
6962         (dconstsqrt2): New.
6963         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
6964         (fold_builtin_hypot): Likewise.
6965
6966 2007-02-03  Tom Tromey  <tromey@redhat.com>
6967
6968         PR driver/30246
6969         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
6970         -gcoff3, -gxcoff3, -gvms3 implies -dD.
6971
6972 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
6973
6974         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
6975         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
6976         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
6977         config/rs6000/cell.md, config/rs6000/darwin.h,
6978         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
6979         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
6980         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
6981         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
6982         typos.  Follow spelling conventions.
6983         * doc/invoke.texi: Follow spelling conventions.
6984
6985 2007-02-03  Roger Sayle  <roger@eyesopen.com>
6986
6987         * simplify-rtx.c (simplify_relational_operation_1): Implement some
6988         canonicalization transformations that attempt to simplify integer
6989         constant comparisons to become comparisons against zero.
6990
6991 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6992
6993         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
6994         fabs(x)*sqrt(2).
6995         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
6996         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
6997
6998 2007-02-02  Mike Stump  <mrs@apple.com>
6999
7000         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
7001         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
7002         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
7003         generate a branch island.
7004
7005 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
7006
7007         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
7008         (xtensa_legitimate_address_p): New.
7009         (xtensa_legitimize_address): New.
7010         (xtensa_output_addr_const_extra): New.
7011         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
7012         (BASE_REG_P): New.
7013         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
7014         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
7015         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
7016         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
7017         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
7018         (xtensa_legitimize_address): New.
7019         (xtensa_output_addr_const_extra): New.
7020
7021 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
7022
7023         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
7024
7025 2007-02-02  Ian Lance Taylor  <iant@google.com>
7026
7027         * expmed.c (expand_divmod): Add comment.
7028
7029 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
7030
7031         * emit-rtl.c (renumber_insns): Remove.
7032         * flags.h: Remove the extern for flag_renumber_insns.
7033         * rtl.h: Remove the prototype for renumber_insns.
7034         * toplev.c (flag_renumber_insns): Remove.
7035
7036 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
7037
7038         Revert for x86 darwin:
7039         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
7040
7041         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
7042         code before the following patch under TARGET_MACHO.
7043         (ix86_function_value_regno_p): Likewise.
7044
7045 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7046
7047         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
7048         COMPLEX_EXPR.
7049
7050 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
7051
7052         PR target/29682
7053         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
7054         general or fp registers.  Add comments.
7055         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
7056
7057 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
7058
7059         * pointer-set.c (insert_aux): Only return insertion slot.
7060         (pointer_set_insert): Adjust.
7061         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
7062         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
7063         pointer_map_traverse): New.
7064         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
7065         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
7066         pointer_map_contains, pointer_map_traverse): Declare.
7067
7068 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
7069
7070         PR middle-end/30473
7071         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
7072         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
7073
7074 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
7075
7076         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
7077
7078         (struct _dep): New type.
7079         (dep_t): New typedef.
7080         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
7081         (DEP_STATUS): New access macro.  The macro with the same name was
7082         renamed to DEP_LINK_STATUS.
7083         (dep_init): Declare function
7084
7085         (struct _dep_link): New type.
7086         (dep_link_t): New typedef.
7087         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
7088         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
7089         (DEP_LINK_STATUS): New macro.
7090         (debug_dep_links): New debug function.
7091
7092         (struct _deps_list): New type.
7093         (deps_list_t): New typedef.
7094         (DEPS_LIST_FIRST): New access macro.
7095         (FOR_EACH_DEP_LINK): New cycle macro.
7096         (create_deps_list, free_deps_list, delete_deps_list): Declare
7097         functions.
7098         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
7099         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
7100         (copy_deps_list_change_con): Ditto.
7101
7102         (move_dep_link): Declare function.
7103
7104         (struct _dep_node): New type.
7105         (dep_node_t): New typedef.
7106         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
7107
7108         (struct haifa_insn_data.back_deps): New field to hold backward
7109         dependencies of the insn.
7110         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
7111         to deps_list_t.
7112         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
7113         Change its type to deps_list_t.
7114         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
7115         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
7116         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
7117
7118         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
7119
7120         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
7121
7122         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
7123         all callers.
7124         (dep_cost): Declare.
7125
7126         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
7127         (ds_to_dk, dk_to_ds): New functions.
7128
7129         (init_dep_1): New static function.
7130         (init_dep): New function.
7131         (copy_dep): New static function.
7132
7133         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
7134         functions.
7135         (detach_dep_link): New static function.
7136         (move_dep_link): New function.
7137
7138         (dep_links_consistent_p, dump_dep_links): New static functions.
7139         (debug_dep_links): New debugging function.
7140
7141         (deps_obstack, dl_obstack, dn_obstack): New static variables.
7142
7143         (alloc_deps_list, init_deps_list): New static functions.
7144         (create_deps_list): New function.
7145         (clear_deps_list): New static function.
7146         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
7147         (deps_list_consistent_p, dump_deps_list): New static functions.
7148         (debug_deps_list): New function.
7149         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
7150         functions.
7151         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
7152
7153         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
7154         use new scheduler dependencies lists.
7155         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
7156         (sched_analyze): Ditto.  Initialize dependencies lists.
7157         (add_forw_dep, compute_forward_dependences): Update to use new
7158         scheduler dependencies lists.
7159
7160         (init_dependency_caches): Init deps_obstack.
7161         (free_dependency_caches): Free deps_obstack.
7162
7163         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
7164         new scheduler dependencies lists.
7165         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
7166         (add_back_forw_dep, delete_back_forw_dep): Ditto.
7167
7168         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
7169         Update to use new scheduler dependencies lists.
7170         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
7171         (debug_dependencies): Ditto.
7172         (schedule_region): Update comments.
7173
7174         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
7175         scheduler dependencies lists.
7176         (schedule_ebb): Update comments.
7177
7178         * rtl.def (DEPS_LIST): Remove.
7179
7180         * lists.c (unused_deps_list): Remove.
7181         (free_list): Update assertions.
7182
7183         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
7184         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
7185
7186         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
7187         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
7188
7189         * haifa-sched.c (comments): Update.
7190         (insn_cost1): Remove.  Inline the code into insn_cost ().
7191         (insn_cost): Update to use new scheduler dependencies lists.  Move
7192         processing of the dependency cost to dep_cost ().
7193         (dep_cost): New function.  Use it instead of insn_cost () when
7194         evaluating cost of the dependency.  Use compatible interface to
7195         interact with the target.
7196         (priority): Update to use new scheduler dependencies lists.
7197         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
7198         with greater number of insns that depend on the insn.
7199         (schedule_insn): Update to use new scheduler dependencies lists.  Add
7200         code to free backward dependencies lists.  Inline and optimize code
7201         from resolve_dep () - see PR28071.
7202         (ok_for_early_queue_removal): Update to use new scheduler dependencies
7203         lists.  Update call to targetm.sched.is_costly_dependence hook.
7204
7205         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
7206         scheduler dependencies lists.
7207
7208         (resolve_dep): Remove.  Move the logic to schedule_insn ().
7209         (init_h_i_d): Initialize dependencies lists.
7210
7211         (process_insn_depend_be_in_spec): Rename to
7212         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
7213         dependencies lists.
7214         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
7215         Update to use new scheduler dependencies lists.
7216         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
7217
7218         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
7219         new scheduler dependencies lists.
7220         (build_intra_loop_deps): Ditto.
7221
7222         * target.h (struct _dep): Declare to use in
7223         gcc_target.sched.is_costly_dependence.
7224         (struct gcc_target.sched.adjust_cost): Fix typo.
7225         (struct gcc_target.sched.is_costly_dependence): Change signature to use
7226         single dep_t parameter instead of an equivalent triad.
7227         (struct gcc_target.sched.adjust_cost_2): Remove.
7228
7229         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
7230
7231         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
7232
7233         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
7234         documentation.
7235         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
7236
7237         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
7238         (REG_DEP_TRUE): Document.
7239
7240         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
7241         Change signature to correspond to the targetm.sched.adjust_cost hook.
7242         Update use in TARGET_SCHED_ADJUST_COST_2.
7243         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
7244         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
7245         new scheduler dependencies lists.
7246         (ia64_gen_check): Ditto.
7247
7248         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
7249         dependencies lists.
7250
7251         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
7252         signature to correspond to the targetm.sched.is_costly_dependence hook.
7253         (is_costly_group): Update to use new scheduler dependencies lists.
7254
7255         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
7256         instead of INSN_COST () macro.
7257
7258 2007-02-01  Ian Lance Taylor  <iant@google.com>
7259
7260         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
7261
7262 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
7263
7264         * pa.md (tp_load): Correct mfctl instruction syntax.
7265
7266 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
7267
7268         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
7269         altivec_padding_size calculation on AIX.  Improve comment, add
7270         assert to verify that it's right.
7271
7272         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
7273         64-bit.
7274
7275 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
7276
7277         PR inline-asm/28686
7278         * global.c (global_alloc): Add mising initialization of
7279         ELIMINABLE_REGSET.
7280
7281 2007-02-01  Roger Sayle  <roger@eyesopen.com>
7282
7283         * alias.c (init_alias_analysis): Correct whitespace.
7284         * bb-reorder.c (fix_edges_for_rarely_executed_code,
7285         partition_hot_cold_basic_blocks): Likewise.
7286         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
7287         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
7288         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
7289         fold_builtin_snprintf_chk, fold_builtin_printf,
7290         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
7291         do_mpfr_arg3, do_mpfr_sincos): Likewise.
7292         * cfgcleanup.c (cleanup_cfg): Likewise.
7293         * cfgexpand.c (tree_expand_cfg): Likewise.
7294         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
7295         * function.c (get_next_funcdef_no): Likewise.
7296         * gengtype.c (main): Likewise.
7297         * genmodes.c (main): Likewise.
7298         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
7299         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
7300         * ifcvt.c (noce_emit_move_insn): Likewise.
7301         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
7302         Likewise.
7303         * stor-layout.c (get_best_mode): Likewise.
7304         * tree-ssa-loop-niter.c (get_val_for): Likewise.
7305         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
7306         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
7307         perform_var_substitution, solve_graph): Likewise.
7308         * tree-vrp.c (vrp_finalize): Likewise.
7309
7310 2007-02-01  Ian Lance Taylor  <iant@google.com>
7311
7312         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
7313         high part of a paradoxical subreg, return a constant zero.
7314
7315 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
7316
7317         * toplev.c (lang_dependent_init): Call init_set_costs.
7318         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
7319
7320 2007-02-01  Richard Guenther  <rguenther@suse.de>
7321
7322         PR middle-end/30656
7323         * fold-const.c (fold_negate_expr): Allow negating a
7324         constant if overflow does not change.
7325
7326 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7327
7328         * doc/c-tree.texi (Expression trees): Improve markup.
7329         * doc/tm.texi (Register Classes, Addressing Modes)
7330         (Floating Point): Fix spacing after abbreviations.  Fix some
7331         typos.
7332
7333 2007-02-01  Ben Elliston  <bje@au.ibm.com>
7334
7335         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
7336         * doc/contrib.texi: Likewise.
7337         * doc/install.texi: Likewise.
7338
7339 2007-01-31  Richard Henderson  <rth@redhat.com>
7340             Ian Lance Taylor  <iant@google.com>
7341
7342         * lower-subreg.c: New file.
7343         * rtl.def (CONCATN): Define.
7344         * passes.c (init_optimization_passes): Add pass_lower_subreg and
7345         pass_lower_subreg2.
7346         * emit-rtl.c (update_reg_offset): New static function, broken out
7347         of gen_rtx_REG_offset.
7348         (gen_rtx_REG_offset): Call update_reg_offset.
7349         (gen_reg_rtx_offset): New function.
7350         * regclass.c: Revert patch of 2006-03-05, restoring
7351         reg_scan_update.
7352         (clear_reg_info_regno): New function.
7353         * dwarf2out.c (concatn_loc_descriptor): New static function.
7354         (loc_descriptor): Handle CONCATN.
7355         * common.opt (fsplit_wide_types): New option.
7356         * opts.c (decode_options): Set flag_split_wide_types when
7357         optimizing.
7358         * timevar.def (TV_LOWER_SUBREG): Define.
7359         * rtl.h (gen_reg_rtx_offset): Declare.
7360         (reg_scan_update): Declare.
7361         * regs.h (clear_reg_info_regno): Declare.
7362         * tree-pass.h (pass_lower_subreg): Declare.
7363         (pass_lower_subreg2): Declare.
7364         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
7365         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
7366         -fsplit-wide-types.
7367         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
7368         * Makefile.in (OBJS-common): Add lower-subreg.o.
7369         (lower-subreg.o): New target.
7370
7371 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7372
7373         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
7374
7375 2007-01-31  Anatoly Sokolov <aesok@post.ru>
7376
7377         PR target/19087
7378         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
7379
7380 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7381
7382         PR middle-end/29335
7383         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
7384
7385 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
7386
7387         * cfgloop.h: Include vec-prim.h.
7388         (enum li_flags): Remove LI_ONLY_OLD.
7389         (loop_iterator): Changed.
7390         (fel_next, fel_init): Iterate over loop tree.
7391         (FOR_EACH_LOOP_BREAK): New macro.
7392         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
7393         FOR_EACH_LOOP.
7394         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
7395         * modulo-sched.c (sms_schedule): Ditto.
7396         * tree-vectorizer.c (vectorize_loops): Ditto.
7397         * doc/loop.texi: Update information on loop numbering and behavior of
7398         FOR_EACH_LOOP wrto new loops.
7399         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7400         add_to_evolution_1): Test nestedness of loops instead of comparing
7401         their numbers.
7402         * tree-chrec.c (chrec_fold_plus_poly_poly,
7403         chrec_fold_multiply_poly_poly, chrec_evaluate,
7404         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
7405         reset_evolution_in_loop): Ditto.
7406         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
7407
7408 2007-01-31  Dirk Mueller  <dmueller@suse.de>
7409
7410         * c-common.c (warn_about_parentheses): Separate warning about
7411         un-parenthized sequence of comparison operators from the one
7412         which is supposed to warn about x <= y <= z.
7413
7414 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
7415
7416         * optabs.h (enum optab_index): Add new OTI_isinf.
7417         (isinf_optab): Define corresponding macro.
7418         * optabs.c (init_optabs): Initialize isinf_optab.
7419         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
7420         patterns.
7421         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
7422         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
7423         using isinf_optab.
7424         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
7425         expand_builtin_interclass_mathfn.
7426         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
7427         * config/i386/i386.md (UNSPEC_FXAM): New constant.
7428         (fxam<mode>2_i387): New insn pattern.
7429         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
7430         built-in functions as x87 inline asm.
7431
7432 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7433
7434         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
7435
7436 2007-01-30  Eric Christopher  <echristo@apple.com>
7437
7438         * config.gcc: Add geode.
7439
7440 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7441
7442         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
7443         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
7444         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
7445         value-prof.c: Fix comment typos.
7446
7447 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7448
7449         PR c++/24745
7450         * doc/invoke.texi (Wpointer-arith): Document warning.
7451
7452 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
7453
7454         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
7455         the list of discrepancies from the draft TR.
7456
7457 2007-01-30  Dirk Mueller  <dmueller@suse.de>
7458
7459         PR c++/30601
7460         * doc/invoke.texi (-Wreturn-type): Update description to
7461         match new behavior.
7462
7463 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
7464
7465         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
7466
7467 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
7468
7469         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
7470         to handle optabs that operate on floating point input argument and
7471         output to integer output.
7472         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
7473         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
7474         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
7475         expand_builtin_interclass_mathfn ().
7476         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
7477         (ilogbsi2): Remove.
7478         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
7479         ilogbl built-in functions as x87 intrinsics.
7480
7481 2007-01-30  Richard Guenther  <rguenther@suse.de>
7482
7483         PR middle-end/27657
7484         * dwarf2out.c (reference_to_unused): Query varpool if the
7485         variable was output.
7486
7487 2007-01-30  Richard Guenther  <rguenther@suse.de>
7488
7489         PR middle-end/30313
7490         * passes.c (execute_one_pass): Reset in_gimple_form to not
7491         confuse non-unit-at-a-time mode.
7492
7493 2007-01-29  Roger Sayle  <roger@eyesopen.com>
7494             Richard Guenther  <rguenther@suse.de>
7495
7496         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
7497         avoid undefined behaviour on overflow.  Use force_fit_type_double
7498         to construct the constant with the specified TREE_OVERFLOW.
7499
7500 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
7501
7502         * config/dfp-bit.c: Add parameterized support for fp exceptions.
7503         * config/dfp-bit.h: Ditto.
7504
7505 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7506
7507         * c-decl.c (pop_scope): Replace warnings with call to
7508         warn_for_unused_label.
7509         * c-common.h (warn_for_unused_label): Declare.
7510         * c-common.c (warn_for_unused_label): Define.
7511
7512 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7513
7514         * tree-optimize.c (update_inlined_to_pointers): Delete unused
7515         function.
7516
7517 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
7518
7519         * Makefile.in (USER_H): Remove decfloat.h.
7520         * ginclude/decfloat.h: Delete, moving contents to ...
7521         * ginclude/float.h: Add support for decimal floating point,
7522         guarded by __STDC_WANT_DEC_FP__.
7523
7524 2007-01-29  Mike Stump  <mrs@apple.com>
7525
7526         * doc/gccint.texi (Top): Rename Loop Representation to Loop
7527         Analysis and Representation to resolve case insensitive conflict.
7528         * doc/loop.texi (Loop Analysis and Representation): Likewise.
7529
7530 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
7531
7532         * tree.h (struct tree_memory_tag): Add aliases member.
7533         (MTAG_ALIASES): New macro.
7534         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
7535         (add_may_alias): Remove pointer-set. Update for may_aliases being
7536         a bitmap.
7537         (mark_aliases_call_clobbered): Update for may_aliases being a
7538         bitmap.
7539         (compute_tag_properties): Ditto.
7540         (create_partition_for): Ditto.
7541         (compute_memory_partitions): Ditto.
7542         (dump_may_aliases_for): Ditto.
7543         (is_aliased_with): Ditto.
7544         (add_may_alias_for_new_tag): Ditto.
7545         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
7546         (compute_is_aliased): New function.
7547         (compute_may_aliases): Call compute_is_aliased).
7548         (init_alias_info): Initialize alias_bitmap_obstack.
7549         (union_alias_set_into): New function.
7550         (compute_flow_sensitive_aliasing): Use union_aliases_into.
7551         (have_common_aliases_p): Rewrite to take two bitmaps and use
7552         intersection.
7553         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
7554         Update for bitmaps.
7555         (finalize_ref_all_pointers): Update for add_may_alias changes.
7556         (new_type_alias): Ditto.
7557         * tree-flow-inline.h (may_aliases): Return a bitmap.
7558         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
7559         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
7560         may_aliases being a bitmap.
7561         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
7562         may_aliases now returns a bitmap.
7563         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
7564         being a bitmap.
7565         * tree-ssa-operands.c (add_virtual_operand): Update for
7566         may_aliases being a bitmap.
7567
7568 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
7569
7570         PR tree-optimization/30630
7571         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
7572         variable as changed.
7573
7574 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
7575
7576         PR c++/28266
7577         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
7578         expanded only once even if an error occurs.
7579
7580 2007-01-29  Ben Elliston  <bje@au.ibm.com>
7581
7582         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
7583         (__gcov_average_profiler): Likewise.
7584         (__gcov_ior_profiler): Likewise.
7585         (__gcov_merge_ior): Likewise.
7586
7587 2007-01-28  Jan Hubicka  <jh@suse.cz>
7588
7589         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
7590         * value-prof.c (stringop_block_profile): Likewise.
7591
7592 2007-01-28  Jan Hubicka  <jh@suse.cz>
7593
7594         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
7595         variant handling histograms; add wrapper.
7596         (clear_storage_via_libcall): Export.
7597         (emit_block_move_hints): Break out from ...; add histograms.
7598         (emit_block_move): ... this one.
7599         (clear_storage_hints): Break out from ...; add histograms.
7600         (clear_storage): ... this one.
7601         (set_storage_via_memset): Handle histogram.
7602         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
7603         (clear_storage_hints, clear_storage_via_libcall): Declare.
7604         (set_storage_via_setmem): Update prototype.
7605         * doc/md.texi (movmem, setmem): Document new arguments.
7606
7607         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
7608         new histograms.
7609         (stringop_block_profile): New global function.
7610         (tree_stringops_values_to_profile): Profile block size and alignment.
7611         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
7612         HIST_TYPE_IOR.
7613         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
7614         (stringop_block_profile): Declare.
7615         * builtins.c: Include value-prof.h.
7616         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
7617         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
7618         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
7619         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
7620         * profile.c (instrument_values): Add new counters.
7621         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
7622         calls.
7623         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
7624         (tree_init_edge_profiler): Build new profilers.
7625         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
7626         (pass_tree_profile): Add dump.
7627         (tree_profile_hooks): Update.
7628         * Makefile.in (LIBGCOV): Add new constants.
7629         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
7630         __gcov_ior_profiler): New.
7631         * i386.md (movmem/setmem expanders): Add new optional arguments.
7632
7633 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
7634
7635         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
7636
7637 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
7638
7639         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
7640         (tree_unswitch_single_loop): Pass eni_size_weights to
7641         tree_num_loop_insns.
7642         * tree-ssa-loop-manip.c: Include tree-inline.h.
7643         (can_unroll_loop_p): Pass eni_size_weights to
7644         tree_num_loop_insns.
7645         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
7646         Pass eni_size_weights to estimate_num_insns.
7647         * tree.h (init_inline_once): Export.
7648         * toplev.c (backend_init): Call init_inline_once.
7649         * cgraphunit.c (cgraph_process_new_functions,
7650         cgraph_analyze_function): Pass eni_inlining_weights to
7651         estimate_num_insns.
7652         * ipa-inline.c (compute_inline_parameters): Ditto.
7653         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
7654         to estimate_num_insns.
7655         (try_unroll_loop_completely): Pass eni_size_weights to
7656         tree_num_loop_insns.
7657         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
7658         ot estimate_num_insns.
7659         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
7660         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
7661         * tree-inline.c (eni_inlining_weights, eni_size_weights,
7662         eni_time_weights): New variables.
7663         (init_inline_once): Initialize them.
7664         (struct eni_data): Mew.
7665         (estimate_num_insns_1, estimate_num_insns): Use weights.
7666         * tree-inline.h (struct eni_weights_d): New.
7667         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
7668         (estimate_num_insns): Declaration changed.
7669         * cfgloop.h (tree_num_loop_insns): Declaration changed.
7670         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
7671         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
7672
7673 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
7674
7675         * tree-data-ref.c (conflict_fn): Assert that the number of affine
7676         relations in the conflict function is valid.
7677
7678 2007-01-27  Ian Lance Taylor  <iant@google.com>
7679
7680         * common.opt: Add fstrict-overflow.
7681         * opts.c (decode_options): Set flag_strict_overflow if -O2.
7682         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
7683         (TYPE_OVERFLOW_UNDEFINED): Define.
7684         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
7685         Replace all uses.
7686         * tree.h (TYPE_TRAP_SIGNED): Don't define.
7687         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
7688         (fold_negate_expr): Likewise.
7689         (make_range): Likewise.
7690         (extract_muldiv_1): Likewise.
7691         (maybe_canonicalize_comparison): Likewise.
7692         (fold_comparison): Likewise.
7693         (fold_binary): Likewise.
7694         (tree_expr_nonnegative_p): Likewise.
7695         (tree_expr_nonzero_p): Likewise.
7696         * tree-vrp.c (compare_values): Likewise.
7697         (extract_range_from_binary_expr): Likewise.
7698         (extract_range_from_unary_expr): Likewise.
7699         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
7700         Likewise.
7701         (nowrap_type_p): Likewise.
7702         * tree-scalar-evolution.c (simple_iv): Likewise.
7703         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
7704         (build_range_check): Likewise.
7705         (extract_muldiv_1): Likewise.
7706         (fold_comparison): Likewise.
7707         * tree-vrp.c (vrp_int_const_binop): Likewise.
7708         (extract_range_from_unary_expr): Likewise.
7709         * convert.c (convert_to_integer): Likewise.
7710         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
7711         (fold_comparison): Likewise.
7712         (fold_binary): Likewise.
7713         * optabs.c (optab_for_tree_code): Likewise.
7714         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
7715         * simplify-rtx.c (simplify_const_relational_operation): Check
7716         flag_strict_overflow and flag_trapv.
7717         (simplify_const_relational_operation): Likewise.
7718         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
7719         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
7720         -fstrict-overflow.
7721
7722 2007-01-27  Roger Sayle  <roger@eyesopen.com>
7723
7724         * tree.c (tree_fold_gcd): Delete.
7725         * tree.h (tree_fold_gcd): Remove prototype.
7726         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
7727         test whether one constant integer is a multiple of another.  Instead
7728         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
7729         * fold-const.c (multiple_of_p):  We've determined both TOP and
7730         BOTTOM are integer constants so we can call int_const_binop directly
7731         instead of the more generic const_binop.
7732
7733 2007-01-27  Roger Sayle  <roger@eyesopen.com>
7734
7735         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
7736         1*X check that the constant hasn't overflowed, to preserve the
7737         TREE_OVERFLOW bit.
7738         (round_up): Provide an efficient implementation when rouding-up an
7739         INTEGER_CST to a power-of-two.
7740
7741 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7742
7743         * doc/sourcebuild.texi: Add comma for clarity.
7744         * doc/extend.texi: Fix some typos.
7745         * doc/passes.texi: Likewise.
7746         * doc/cppinternals.texi: Likewise.
7747         * doc/c-tree.texi: Likewise.
7748         * doc/tree-ssa.texi: Likewise.
7749         * doc/install.texi: Likewise.
7750
7751 2007-01-27  Jan Hubicka  <jh@suse.cz>
7752
7753         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
7754         (pass_sra): Do not require alias information.
7755         * passes.c (init_optimization_passes): Add SRA
7756
7757 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
7758
7759         * tracer.c (rest_of_handle_tracer): We already cleaned
7760         up the CFG in tracer() so don't do it here again.
7761         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
7762         cleanup_cfg here, either.  And don't call renumber_insns.
7763
7764         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
7765         and BB_HEAD are in the insn stream here.  Instead make sure
7766         that BB_INSN is valid on all insns.  Also, do check here that
7767         there are no pending branch predictions...
7768         (rtl_verify_flow_info): ...instead of doing it here.  Checks
7769         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
7770         here.
7771
7772 2007-01-26  Roger Sayle  <roger@eyesopen.com>
7773
7774         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
7775         function to simplify/factorize operand order canonicalization.
7776         (ix86_fixup_binary_operands): Reorganize using the above function.
7777         (ix86_binary_operator_ok): Likewise.
7778
7779 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
7780
7781         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
7782         file scope from optimize_attrs.
7783         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
7784         up search.
7785         (optimize_attrs): Clear insn_code_values after freeing it.
7786
7787 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
7788
7789         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
7790         a parts.base assignment.
7791
7792 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
7793
7794         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
7795         (compute_subscript_distance, initialize_data_dependence_relation,
7796         finalize_ddr_dependent, analyze_ziv_subscript,
7797         analyze_siv_subscript_cst_affine,
7798         compute_overlap_steps_for_affine_univar,
7799         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
7800         analyze_siv_subscript, analyze_miv_subscript,
7801         analyze_overlapping_iterations, subscript_dependence_tester_1,
7802         compute_self_dependence, free_dependence_relation): Work
7803         with affine_fn instead of chrecs.
7804         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
7805         common_affine_function, affine_function_base,
7806         affine_function_constant_p, affine_fn_op, affine_fn_plus,
7807         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
7808         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
7809         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
7810         (all_chrecs_equal_p): Removed.
7811         * tree-data-ref.h (affine_fn, conflict_function): New types.
7812         (struct subscript): Change type of conflicting_iterations_in_a
7813         and conflicting_iterations_in_b.
7814
7815 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
7816
7817         PR other/30182
7818         * config/pa/pa.h (TARGET_HPUX_11): New.
7819         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
7820         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
7821
7822 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
7823         Richard Guenther  <rguenther@suse.de>
7824
7825         * tree-ssa-structalias.c (solve_graph): Handle case
7826         we merged the variable to another.
7827
7828 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7829
7830         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
7831         functions.
7832
7833         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
7834         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
7835
7836 2007-01-25  DJ Delorie  <dj@redhat.com>
7837
7838         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
7839         allow changes to modes which don't fit in those registers.
7840
7841         * reload1.c (choose_reload_regs): Check for invalid subregs before
7842         computing their locations, not after.
7843
7844 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
7845
7846         PR 25127
7847         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
7848         save Altivec registers in an eh_return function.
7849         (compute_vrsave_mask): Likewise.
7850         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
7851         for saving Altivec registers.
7852         (rs6000_emit_prologue): Don't allocate stack twice in
7853         eh_return function.  Correct expected value of altivec_save_offset
7854         when using save_world.  Describe save of R0 to stack when using
7855         save_world.  Describe stack pointer adjustment when using
7856         save_world.  Remove duplicated eh_return parameter register saving.
7857         Update sp_offset variable after save_world.
7858         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
7859         darwin-world.asm.
7860         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
7861         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
7862         implies Altivec.
7863
7864 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
7865
7866         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
7867
7868 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
7869
7870         PR other/30182
7871         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
7872         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
7873
7874 2007-01-25  Richard Guenther  <rguenther@suse.de>
7875
7876         * doc/invoke.texi (-Wcoverage-mismatch): Document.
7877         * common.opt (-Wcoverage-mismatch): New warning option.
7878         * coverage.c (get_coverage_counts): Ignore coverage mismatch
7879         if -Wcoverage-mismatch is given.
7880
7881 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
7882
7883         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
7884         (ipcp_driver): Change to static definition.
7885         Add dumping of the ifunctions.
7886         (constant_val_insert): Remove unused parameter. Support for SSA.
7887         (ipcp_propagate_const): Support for SSA.
7888         (ipcp_profile_bb_print): Print only analyzed nodes.
7889         (ipcp_replace_map_create): Remove support for Fortran constant
7890         for now.
7891         * ipa-prop.c (ipa_method_modify_stmt,
7892         ipa_callsite_compute_param): Support for SSA.
7893         * ipa-prop.h (ipcp_driver): Remove declaration.
7894         (IS_VALID_TREE_MAP_INDEX): Add define.
7895
7896 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
7897
7898         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
7899
7900 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7901
7902         PR middle-end/30447
7903         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
7904         constant argument to cabs and do it without checking for
7905         -funsafe-math-optimizations.
7906
7907 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
7908
7909         * c-common.h (RID_FIRST_CXX0X): New.
7910         (RID_LAST_CXX0X): New.
7911         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
7912         by -Wall.
7913         * c.opt (Wc++0x-compat): New.
7914         * doc/invoke.texi (-Wc++0x-compat): Document.
7915
7916 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7917
7918         * builtins.c (fold_builtin_carg): New.
7919         (fold_builtin_1): Use it.
7920
7921 2007-01-24  Jan Hubicka  <jh@suse.cz>
7922
7923         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
7924
7925         * ipa-inline.c (initial_insns, max_insns): Delete.
7926         (compute_max_insns): New function.
7927         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
7928         of insns as base for code growth.
7929         (cgraph_decide_inlining): Make initial_insns local; do not compute
7930         max_insns.
7931         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
7932         * doc/invoke.texi (inline-unit-growth): Update docs.
7933
7934 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
7935
7936         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
7937         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
7938         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
7939         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
7940         for CPUs that have PTA_CX16 set.
7941
7942         PR middle-end/27416
7943         * gimplify.c (omp_check_private): New function.
7944         (gimplify_scan_omp_clauses): Use it for
7945         firstprivate/lastprivate/reduction.
7946
7947         PR middle-end/30494
7948         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
7949         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
7950
7951         PR middle-end/30421
7952         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
7953         If lower_lastprivate_clauses emits some statements, append them
7954         to dlist rather than body_p and to body_p append an initializer.
7955         (lower_omp_for): Adjust caller.
7956
7957 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
7958
7959         * target.h (globalize_decl_name): New.
7960         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
7961         * output.h (default_globalize_decl_name): New.
7962         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
7963         globalize_label.
7964         (globalize_decl): Ditto.
7965         (default_globalize_decl_name): New.
7966         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
7967         (ia64_handle_version_id_attribute): New.
7968         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
7969         (ia64_asm_output_external): Use globalize_decl_name instead
7970         of globalize_label.
7971         * doc/extend.texi (version_id): New pragma.
7972         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
7973
7974 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
7975
7976         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
7977         _uleb128_t and _Unwind_SWord with _sleb128_t.
7978         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
7979         uw_frame_state_for, uw_update_context_1): Likewise.
7980         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
7981         * unwind-pe.h (read_uleb128, read_sleb128,
7982         read_encoded_value_with_base): Likewise.
7983         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
7984
7985 2007-01-24  Richard Guenther  <rguenther@suse.de>
7986
7987         * builtins.c (expand_builtin_cexpi): Get the fndecl
7988         for cexp in the correct way.
7989
7990 2007-01-24  Jan Hubicka  <jh@suse.cz>
7991
7992         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
7993
7994 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
7995
7996         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
7997         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
7998         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
7999         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
8000         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
8001         __SIZEOF_PTRDIFF_T__.
8002         * doc/cpp.texi: Documentation for the new builtin macros added.
8003
8004 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
8005
8006         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
8007         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
8008         instead of operands[2] to avoid access past the end of array.
8009
8010 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
8011
8012         * reload1.c (emit_reload_insns): Pass the reload register
8013         for a non-spill output reload through forget_old_reloads_1.
8014
8015 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
8016
8017         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
8018         _SOFT_DOUBLE if doubles use software floating-point.
8019         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
8020         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
8021         * config/rs6000/darwin-ldouble.c: Also compile functions for
8022         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
8023         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
8024         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
8025         commented-out long double override.
8026         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
8027         * config/rs6000/eabispe.h: Likewise.
8028         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
8029         long double for non-SPE.
8030         (rs6000_handle_option): Likewise.
8031         (invalid_e500_subreg): Disallow more subregs involding DImode,
8032         DFmode, TImode or TFmode.
8033         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
8034         E500 double.
8035         (legitimate_lo_sum_address_p): Also check for TFmode for E500
8036         double.
8037         (rs6000_legitimize_address): Also handle TFmode for E500 double.
8038         (rs6000_legitimize_reload_address): Also handle TFmode for E500
8039         double.
8040         (rs6000_legitimate_address): Also check for TFmode for E500
8041         double.
8042         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
8043         (spe_build_register_parallel): Handle TFmode and TCmode.
8044         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
8045         double.
8046         (function_arg): Handle TFmode and TCmode for E500 double.
8047         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
8048         in general.
8049         (print_operand): Handle TFmode and TImode for %y.
8050         (rs6000_generate_compare): Handle TFmode comparisons for E500
8051         double.
8052         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
8053         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
8054         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
8055         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
8056         TFmode for E500 double.
8057         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
8058         (floatsidf2): Enable for E500 double.
8059         (movtf_softfloat): Use rs6000_nonimmediate_operand.
8060         (extenddftf2): Change to extenddftf2_fprs.
8061         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
8062         depending on TARGET_E500_DOUBLE.
8063         (extendsftf2): Enable for E500 double.
8064         (trunctfdf2): Enable for E500 double.
8065         (trunctfsf2): Change to trunctfsf2_fprs.
8066         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
8067         depending on TARGET_E500_DOUBLE.
8068         (floatsitf2): Enable for E500 double.
8069         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
8070         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
8071         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
8072         (negtf2): Change to negtf2_internal.
8073         (negtf2): New expander.
8074         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
8075         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
8076         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
8077         (movdi_internal32): Use rs6000_nonimmediate_operand.
8078         (unnamed splitter): Likewise.
8079         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
8080         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
8081         (SPE64TF, DITI): New mode macros.
8082         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
8083         modes.
8084         (frob_tf_ti): New.
8085         (frob_<mode>_di_2): New.
8086         (frob_tf_di_8_2): New.
8087         (frob_di_df): Change to frob_di_<mode>; allow more modes.
8088         (frob_ti_tf): New.
8089         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
8090         more modes.
8091         (frob_ti_<mode>_8_2): New.
8092         (frob_ti_tf_2): New.
8093         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
8094         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
8095         TFmode.
8096         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
8097         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
8098         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
8099         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
8100         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
8101         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
8102         tsttflt_gp): New.
8103
8104 2007-01-23  Ian Lance Taylor  <iant@google.com>
8105
8106         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
8107         insn-*.o first.
8108         (OBJS-archive): Reformat, alphabetize.
8109         (OBJS): Change out_object_file to OBJS-md.
8110
8111 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
8112
8113         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
8114         JUMP_P and CALL_P predicates where applicable.
8115         * config/i386/i386.c: Ditto.
8116         * config/i386/i386.md: Ditto.
8117         * config/i386/mmx.md: Ditto.
8118         * config/i386/predicates.md: Ditto.
8119
8120 2007-01-22  Andreas Schwab  <schwab@suse.de>
8121
8122         * config/m68k/m68k.h: Fix comment.
8123
8124 2007-01-22  Jan Hubicka  <jh@suse.cz>
8125
8126         * passes.c (init_optimization_passes): Do not rerun
8127         pass_early_warn_uninitialized.
8128
8129 2007-01-22  Richard Guenther  <rguenther@suse.de>
8130
8131         PR tree-optimization/30038
8132         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
8133         function.
8134         (execute_cse_sincos_1): Likewise.
8135         (execute_cse_sincos): Likewise.
8136         (gate_cse_sincos): Likewise.
8137         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
8138         the cexpi() canonicalization of sincos().
8139         * tree-pass.h (pass_cse_sincos): Declare.
8140         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
8141
8142 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
8143
8144         PR rtl-optimization/29329
8145         * combine.c (replaced_rhs_insn): Rename to i2mod.
8146         (replaced_rhs_value): Rename to i2mod_new_rhs.
8147         (i2mod_old_rhs): New global variable.
8148         (combine_instructions): Adjust for above change.  Save a copy of
8149         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
8150         note are substituted in the second instruction.
8151         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
8152         ditch the note if it pertains to the second eliminated register
8153         and this register is mentioned in i2mod_old_rhs.
8154
8155         Revert:
8156         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
8157
8158         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8159         the insn to which the note was originally attached.
8160
8161 2007-01-21  Jan Hubicka  <jh@suse.cz>
8162
8163         * ipa-inline.c (inlining_mode): Comment, move up.
8164         (cgraph_decide_inlining_incrementally): Do not perform inlining
8165         itself; fix handling of flattening of self recursive functions.
8166         (cgraph_find_cycles): Remove.
8167         (cgraph_flatten_node): Remove.
8168         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
8169         (try_inline): New function.
8170         (cgraph_early_inlining): Update call of
8171         cgraph_decide_inlining_incrementally.  Apply inlining here.
8172         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
8173
8174 2007-01-21  Dirk Mueller  <dmueller@suse.de>
8175
8176         PR bootstrap/30511
8177         * tree-vrp.c (check_array_bounds): do not warn
8178         about ADDR_EXPR's of ARRAY_REF's which are immediately
8179         used in binary expressions.
8180
8181 2007-01-21  Ira Rosen  <irar@il.ibm.com>
8182
8183         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
8184         read_write_dep and macros for its access.
8185         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
8186         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
8187         argument, call vect_check_interleaving for every independent pair of
8188         data-refs. Mark loads that access the same memory location as a store
8189         in the loop.
8190         (vect_check_dependences): Remove.
8191         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
8192         call, fix the call to vect_analyze_data_ref_dependence.
8193         (vect_analyze_data_ref_access): For statements that access the same
8194         data-ref, check that they are not stores; for loads, check that there
8195         is no store that access the same location.
8196
8197 2007-01-20  Roger Sayle  <roger@eyesopen.com>
8198             Joseph Myers  <joseph@codesourcery.com>
8199
8200         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
8201         (-fdump-rtl-stack): Likewise.
8202         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
8203         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
8204         (-mpt-fixed): Use @minus{} for minus sign.
8205         (Using Precompiled Headers): Fix under/overfull hbox.
8206
8207 2007-01-20  Jan Hubicka  <jh@suse.cz>
8208
8209         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
8210         place within annotation.
8211
8212 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8213
8214         * pa.c (output_move_double): Change array size of xoperands to 4.
8215
8216 2007-01-20  Jan Hubicka  <jh@suse.cz>
8217
8218         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
8219         as temporary.
8220
8221 2007-01-19  Ian Lance Taylor  <iant@google.com>
8222
8223         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
8224         constant to unsigned HOST_WIDE_INT before negating.
8225
8226 2007-01-19  Ian Lance Taylor  <iant@google.com>
8227
8228         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
8229         to unsigned.
8230         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
8231         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
8232         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
8233         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
8234         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
8235         (realloc_vdef, realloc_vuse): Change second parameter to
8236         unsigned.
8237         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
8238         fields to unsigned.
8239         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
8240         unsigned. Change x and lim locals to unsigned.
8241         (realloc_vdef, realloc_vuse): Change num_elem parameter to
8242         unsigned.
8243         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
8244         (copy_virtual_operands): Change i and n locals to unsigned.
8245
8246 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8247
8248         PR middle-end/29335
8249         * builtins.c (fold_builtin_1): Handle builtin fdim.
8250
8251 2007-01-20  Jan Hubicka  <jh@suse.cz>
8252
8253         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
8254         * tree-ssa-structalias.c (compute_points_to_sets): Do call
8255         init_alias_heapvars.
8256         (init_alias_heapvars): Initialize only when not already initialized.
8257         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
8258
8259 2007-01-19  Roger Sayle  <roger@eyesopen.com>
8260
8261         * common.opt (fsigned-zeros): New command line option.
8262         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
8263         of flag_unsafe_math_optimizations.
8264         * opts.c (set_fast_math_flags): The -ffast-math command line option
8265         implies -fno-signed-zeros.
8266         (fast_math_flags_set_p): Likewise.
8267
8268         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
8269         the documentation of -ffast-math appropriately.  Wrap long lines.
8270
8271 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
8272
8273         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
8274         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
8275
8276 2007-01-19  Tomas Bily  <tbily@suse.cz>
8277
8278         * cgraphunit.c (cgraph_finalize_function): Updating of pid
8279         * tree-profile.c:
8280         (tree_init_ic_make_global_vars): New function
8281         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
8282         (tree_gen_ic_profiler): New function
8283         (tree_gen_ic_func_profiler): New function
8284         (tree_profiling): Added calling of tree_gen_ic_func_profiler
8285         (tree_profile_hooks): Added hook for indirec/virtual calls
8286         * value-prof.c (tree_find_values_to_profile): New case for
8287         indirect calls
8288         (tree_values_to_profile): Call for determining indirect/virtual
8289         counters
8290         (tree_indirect_call_to_profile): New function
8291         (tree_ic_transform): New function
8292         (tree_ic): New function
8293         (find_func_by_pid): New function
8294         (init_pid_map): New function
8295         (tree_value_profile_transformations): Added check for
8296         indirect/virtual call transformation
8297         * value-prof.h (enum hist_type): New counter type for
8298         indirect/virtual calls
8299         (profile_hooks): Added new hook for profiling indirect/virtual
8300         calls
8301         * profile.c (instrument_values): New case for indirect/virtual
8302         call added
8303         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
8304         (GCOV_COUNTER_V_INDIR): New counter type
8305         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
8306         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
8307         call added
8308         * cgraph.c: Definition of cgraph_max_pid
8309         (cgraph_create_node): Default init of pid attribute
8310         * cgraph.h: Declaration of cgraph_max_pid
8311         (struct cgraph_node): Added pid attribute
8312         * libgcov.c (__gcov_indirect_call_profiler): New function
8313         (__gcov_one_value_profiler_body): New function
8314         (__gcov_one_value_profiler): Body was moved to
8315         __gcov_one_value_profiler_body and calls it
8316
8317 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
8318
8319         * doc/gty.texi (Options): Document the mark_hook option to GTY.
8320         * gengtype.c (write_types_data, write_func_for_structure,
8321         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
8322         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
8323         (walk_type, write_func_for_structure): Generate the mark_hook if
8324         needed.
8325
8326 2007-01-19  Jan Hubicka  <jh@suse.cz>
8327
8328         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
8329         'early' argument take inlining mode argument specifying whether to
8330         inline for size/speeed or all functions; add support for flattening;
8331         improve dumpting.
8332         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
8333
8334 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8335
8336         PR c++/17947
8337         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
8338         the name of the declared identifier.
8339
8340 2007-01-19  Dirk Mueller  <dmueller@suse.de>
8341
8342         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
8343         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
8344         duplicate evaluation.
8345
8346 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
8347
8348         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
8349         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
8350         to XFMode, use acosxf2 and truncate result to requested mode.
8351         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
8352         (asin<mode>2): Similarly, with asin expanders.
8353         (*fscalexf4_i387): Rename from *fscalexf4.
8354         (expNcorexf3): New expander.
8355         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
8356         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
8357         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
8358         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
8359         patterns for SSE math.
8360         (exp10<mode>2): Similarly, with exp10 expanders.
8361         (exp2<mode>2): Similarly, with exp2 expanders.
8362         (expm1<mode>2): Similarly, with expm1 expanders.
8363         (ldexp<mode>3): Similarly, with ldexp expanders.
8364         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
8365         Use gen_truncxf<mode>2_i387_noop to truncate result.
8366
8367 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8368
8369         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
8370         for ColdFire targets.
8371
8372 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
8373             Richard Sandiford  <richard@codesourcery.com>
8374
8375         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
8376         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
8377         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
8378         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
8379         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
8380         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
8381
8382 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8383
8384         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
8385         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
8386         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
8387         (*adddi_dilshr32_cf): New pattern.
8388         (adddi3, subdi3): Remove first alternatives.
8389
8390 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8391
8392         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
8393         implemented using move.l, do not use its cc result for floating-point
8394         comparisons.
8395
8396 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8397
8398         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
8399         from accepting 's' constraints if flag_pic.
8400
8401 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8402
8403         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
8404         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
8405         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
8406         condition from TARGET_68881 to TARGET_HARD_FLOAT.
8407
8408 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
8409
8410         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
8411         ColdFire alternatives.
8412         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
8413         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
8414         architectures that support ff1 instruction.
8415
8416 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8417             Julian Brown  <julian@codesourcery.com>
8418
8419         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
8420         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
8421         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
8422         Add commentary.
8423
8424 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8425
8426         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
8427         and return a bool.
8428         (output_move_const_into_data_reg, output_move_simode_const): Delete.
8429         * config/m68k/m68k.c (const_method, const_int_cost): Take a
8430         HOST_WIDE_INT instead of an rtx.
8431         (m68k_rtx_costs): Update call accordingly.
8432         (output_move_const_into_data_reg): Likewise.  Fix formatting.
8433         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
8434         Return a bool.
8435         (output_move_simode_const): Update calls after above changes.
8436         Rework to use automatic variables and predicates like MEM_P.
8437         * config/m68k/m68k.md (pushexthisi_const): Update call to
8438         valid_mov3q_const.
8439
8440 2007-01-19  Dirk Mueller  <dmueller@suse.de>
8441
8442         * tree-ssa-alias.c (perform_var_substitution): Fix typo
8443         in dump_flags test.
8444
8445 2007-01-19  Richard Guenther  <rguenther@suse.de>
8446
8447         * builtins.c (expand_builtin_cexpi): Fall back to expanding
8448         via cexp in case sincos is not available.
8449
8450 2007-01-19  Richard Guenther  <rguenther@suse.de>
8451
8452         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
8453         * defaults.h (TARGET_HAS_SINCOS): Default to off.
8454         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
8455         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
8456         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
8457         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
8458         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
8459         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
8460
8461 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
8462
8463         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
8464         New insn patterns.
8465         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
8466         (atan2xf3): Directly generate RTL pattern.
8467         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
8468         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
8469         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8470         disable patterns for SSE math.
8471         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
8472         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
8473         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8474         disable patterns for SSE math.
8475
8476 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
8477
8478         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
8479
8480 2007-01-18  Roger Sayle  <roger@eyesopen.com>
8481
8482         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
8483         VIEW_CONVERT_EXPR to the same type as it's operand.
8484
8485 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
8486
8487         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
8488         configured for long double 128.
8489
8490 2007-01-18  Mike Stump  <mrs@apple.com>
8491
8492         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
8493         error.
8494
8495 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
8496
8497         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
8498         type correct.
8499
8500 2007-01-18  Jan Hubicka  <jh@suse.cz>
8501
8502         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
8503         greater than NUM_VOP_FREE_BUCKETS.
8504
8505 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
8506
8507         * tree-ssa-structalias.c: Update comments.
8508         (ptabitmap_obstack): Removed.
8509         (pta_obstack): New.
8510         (oldpta_obstack): Ditto.
8511         (stats): Add a few members.
8512         (struct variable_info): Remove node, complex, address_taken, and
8513         indirect_target members. Add oldsolution member.
8514         (new_var_info): Do not initialize removed members.
8515         (constraint_expr_type): Remove INCLUDES.
8516         (constraint_graph): Add size, implicit_preds, rep,
8517         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
8518         (FIRST_REF_NODE): New macro.
8519         (LAST_REF_NODE): Ditto.
8520         (FIRST_ADDR_NODE): Ditto.
8521         (find): New function.
8522         (unite): Ditto.
8523         (dump_constraint): Do not handle INCLUDES.
8524         (insert_into_complex): Do not insert duplicate constraints.
8525         (condense_varmap_nodes): Renamed and rewritten into ...
8526         (merge_node_constraints): This. Also fix bug in handling of
8527         offseted copy constraints.
8528         (clear_edges_for_node): No longer need to deal with preds at all,
8529         or removing associated preds/succs.
8530         (merge_graph_nodes): Deal with indirect_cycles.
8531         Don't deal with predecessors.
8532         (add_implicit_graph_edge): New function.
8533         (add_pred_graph_edge): Ditto.
8534         (add_graph_edge): Don't deal with predecessors.
8535         (build_constraint_graph): Removed.
8536         (build_pred_graph): New function.
8537         (build_succ_graph): Ditto.
8538         (struct scc_info): Removed in_component. Added roots, dfs, and
8539         node_mapping. Remove visited_index, unification_queue.
8540         (scc_visit): Deal with union-find we do now.
8541         Deal with cycles with REF nodes.
8542         (collapse_nodes): Renamed and rewritten to ...
8543         (unify_nodes): This.
8544         (process_unification_queue): Removed.
8545         (topo_visit): Cleanup
8546         (do_da_constraint): Use find.
8547         (do_sd_constraint): Ditto.
8548         (do_ds_constraint): Ditto.
8549         (do_complex_constraint): Ditto.
8550         (init_scc_info): Update for removed and added members.
8551         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
8552         (find_indirect_cycles): This.
8553         (equivalence_class): New variable.
8554         (label_visit): New function.
8555         (perform_variable_substitution): Rewritten.
8556         (free_var_substitution_info): New function.
8557         (find_equivalent_node): Ditto.
8558         (move_complex_constraints): Ditto.
8559         (eliminate_indirect_cycles): Ditto.
8560         (solve_graph): Only propagate changed bits.
8561         Use indirect cycle elimination.
8562         Use find.
8563         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
8564         (tree_id_eq): Renamed to ...
8565         (tree_vi_eq): This. Update for member change
8566         (insert_id_for_tree): Renamed and rewritten to ...
8567         (insert_vi_for_tree): This.
8568         (lookup_id_for_tree): Renamed and rewritten to ...
8569         (lookup_vi_for_tree): This.
8570         (get_id_for_tree): Renamed and rewritten to ...
8571         (get_vi_for_tree): Ditto.
8572         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
8573         (process_constraint): Don't handle INCLUDES.
8574         Remove special ADDRESSOF case.
8575         (find_func_aliases): Rewrite to use vi functions instead of id
8576         ones.
8577         (create_function_info_for): Ditto.
8578         (create_variable_info_for): Ditto.
8579         (intra_create_variable_infos): Ditto.
8580         (merge_smts_into): Ditto.
8581         (find_what_p_points_to): Ditto.
8582         (init_base_vars): Ditto.
8583         (init_alias_vars): Ditto.
8584         (remove_preds_and_fake_succs): New function.
8585         (dump_sa_points_to_info): Dump new stats.
8586         (dump_solution_for_var): Use find.
8587         (set_used_smts): Fix formatting.
8588         (compute_points_to_sets): Updated for new functions.
8589         (ipa_pta_execute): Ditto.
8590
8591 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8592             Richard Sandiford  <richard@codesourcery.com>
8593
8594         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
8595         parallels.
8596         * calls.c (expand_call): If the return value is a PARALLEL,
8597         extract its first member.
8598         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
8599         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
8600         use FUNCTION_EXTRA_EPILOGUE.
8601         (m68k_function_value): Return a PARALLEL if the return value
8602         is of a pointer type.
8603         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
8604         (FUNCTION_EXTRA_EPILOGUE): Remove.
8605         * config/m68k/m68k.md (D0_REG): New constant.
8606
8607 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8608
8609         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
8610         output a NOP for empty epilogues.
8611
8612 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8613
8614         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
8615         before function.  Extend register save check to include all
8616         registers, not just integer ones.
8617
8618 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8619
8620         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
8621         (m68k_use_return_insn): ...this.
8622         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
8623         * config/m68k/m68k.c (use_return_insn): Rename to...
8624         (m68k_use_return_insn): ...this.
8625         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
8626         of USE_RETURN_INSN.
8627
8628 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8629
8630         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
8631         nearest even, fix denormal rounding overflow.
8632
8633 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8634
8635         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
8636         f%$smove and f%$move.
8637         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
8638         (extendsfdf2_cf): Use fdmove instead of f%&move.
8639         (truncdfsf2_cf): Use fsmove instead of f%$smove.
8640         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
8641
8642 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8643
8644         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
8645         GPR<-GPR moves.
8646
8647 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8648
8649         * real.h (real_format): Add a canonical_nan_lsbs_set field.
8650         (coldfire_single_format): Declare.
8651         (coldfire_double_format): Likewise.
8652         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
8653         of qnan_msb_set to determine the lower bits of a canonical
8654         NaN significand.
8655         (encode_ieee_double): Likewise.
8656         (encode_ieee_quad): Likewise.
8657         (ieee_single_format): Initialize canonical_nan_lsbs_set.
8658         (mips_single_format): Likewise.
8659         (ieee_double_format): Likewise.
8660         (mips_double_format): Likewise.
8661         (ieee_extended_motorola_format): Likewise.
8662         (ieee_extended_intel_96_format): Likewise.
8663         (ieee_extended_intel_128_format): Likewise.
8664         (ieee_extended_intel_96_round_53_format): Likewise.
8665         (ibm_extended_format): Likewise.
8666         (mips_extended_format): Likewise.
8667         (ieee_quad_format): Likewise.
8668         (mips_quad_format): Likewise.
8669         (vax_f_format): Likewise.
8670         (vax_d_format): Likewise.
8671         (vax_g_format): Likewise.
8672         (i370_single_format): Likewise.
8673         (i370_double_format): Likewise.
8674         (decimal_single_format): Likewise.
8675         (decimal_double_format): Likewise.
8676         (decimal_quad_format): Likewise.
8677         (c4x_single_format): Likewise.
8678         (c4x_extended_format): Likewise.
8679         (real_internal_format): Likewise.
8680         (coldfire_single_format): New real_format.
8681         (coldfire_double_format): Likewise.
8682         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
8683         canonical_nan_lsbs_set.
8684         (pdp11_d_format): Likewise.
8685         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
8686         if TARGET_COLDFIRE_CPU.
8687
8688 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8689
8690         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
8691         (output_call, m68k_legitimize_call_address): Declare.
8692         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
8693         parenthesees.  Add support for a 'W' constraint.
8694         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
8695         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
8696         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
8697         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
8698         variables.
8699         (override_options): Initialize them.  Do not set flag_no_function_cse
8700         for TARGET_ID_SHARED_LIBRARY.
8701         (m68k_output_pic_call): Delete.
8702         (m68k_legitimize_call_address): New function.
8703         (print_operand): Remove the %o prefix.  Handle the %p prefix.
8704         (output_call): New function.
8705         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
8706         target address from the GOT if symbolic jumps are not allowed.
8707         * config/m68k/m68k.md (call, general_operand): Do not set
8708         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
8709         Merge separate flag_pic and !flag_pic define_insns into...
8710         (*call, *call_value): ...these new patterns.  Match the address
8711         rather than the containing MEM and require it to be a call_operand.
8712         Use output_call to generate the asm template.
8713         * config/m68k/predicates.md (const_call_operand): New predicate.
8714         (call_operand): Likewise.
8715
8716 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8717
8718         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
8719         (STACK_GROWS_DOWNWARD): Define to 1.
8720         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
8721         comments, emphasizing that these values are only defaults.
8722         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
8723         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
8724
8725 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8726
8727         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
8728
8729 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8730             Richard Sandiford  <richard@codesourcery.com>
8731
8732         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
8733         (FP_REGNO_P): New macros.
8734         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
8735         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
8736         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
8737         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
8738
8739 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8740
8741         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
8742         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
8743         to $tmake_file.
8744         * config/m68k/t-floatlib: New file, extracting common code from...
8745         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
8746         * config/m68k/t-uclinux: Here.
8747         * config/m68k/fpgnulib.c: Do not compile extendeed precision
8748         routines on ColdFire targets.
8749
8750 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8751
8752         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
8753         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
8754         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
8755         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
8756         explicitly set MOTOROLA to 1.
8757         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
8758
8759 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8760             Nathan Sidwell  <nathan@codesourcery.com>
8761
8762         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
8763         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
8764         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
8765         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
8766         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
8767         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
8768         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
8769         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
8770         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
8771         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
8772         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
8773         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
8774         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
8775         (DBX_REGISTER_NUMBER): Delete.
8776         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
8777         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
8778         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
8779
8780 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8781
8782         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
8783         * config/flat.h: New file.
8784         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
8785         OBJECT_FORMAT_FLAT.
8786         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
8787         indirect references for -msep-data or -mid-shared-library.
8788         Do not use PC-relative code addresses either.
8789         * config/m68k/m68k.c (override_options): Restrict -fPIC error
8790         to -mpcrel.
8791         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
8792         for shared libraries and crt1.o for executables.  Use crti.o and
8793         crtbegin.o.
8794         (ENDFILE_SPEC): Use crtend.o and crtn.o.
8795         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
8796         Do not add -elf2flt or -shared-lib-id options here.
8797         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
8798         Pass -shared-lib-id if -mid-shared-library, taking the library
8799         identifier from -mshared-library-id if given, otherwise
8800         defaulting to 0.
8801         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
8802         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
8803         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
8804         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
8805         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
8806         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
8807         and crtend.o.
8808         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
8809         jump sequence for ISA A and ISA A+.
8810         (PICJUMP): Likewise.
8811
8812 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8813
8814         * config.gcc (m68k-*-uclinux*): Base the port on the common
8815         and m68k GNU/Linux files rather than on the generic ELF ones.
8816         * config/m68k/uclinux.h (TARGET_VERSION): Override.
8817         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
8818
8819 2007-01-18  Julian Brown  <julian@codesourcery.com>
8820             Richard Sandiford  <richard@codesourcery.com>
8821
8822         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
8823         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
8824         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
8825         before redefining.
8826         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
8827         80 unconditionally.
8828         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
8829
8830 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8831
8832         * doc/install.texi: Document m68k-uclinuxoldabi.
8833         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
8834         * config/m68k/uclinux-oldabi.h: New file, copied from
8835         config/m68k/uclinux.h.
8836
8837 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
8838
8839         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
8840         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
8841         (m32r_compute_frame_size): Use unsigned for regno.
8842         (m32r_reload_lr): Use gen_frame_mem.
8843         (pop): New.
8844         (m32r_output_function_epilogue): Don't output the function epilogue
8845         textually here.
8846         (m32r_expand_epilogue): New.
8847         (direct_return): Return false if the function has the interrupt
8848         attribute.
8849         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
8850         * config/m32r/m32r.md (epilogue): New expander.
8851         (return_lr, return_rte): New insns.
8852         (return): Make it expander.
8853         (return_normal): New expander.
8854
8855 2007-01-18  Josh Conner  <jconner@apple.com>
8856
8857         PR target/30485
8858         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
8859         support for UNLE, UNLT, UNGE, and UNGT.
8860
8861 2007-01-18  Jan Hubicka  <jh@suse.cz>
8862
8863         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
8864         * tree-tailcall (add_virtual_phis): Likewise.
8865         (optimize_tail_call): Return TODOs.
8866         (execute_tail_calls): Return TODOs.
8867         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
8868         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
8869         changed.
8870         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
8871         Cleanup cfg using TODO.
8872         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
8873         * passes.c (execute_function_todo): When cleanup did something, remove
8874         unused locals.
8875         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
8876         (make_edges): Don't cleanup_cfg.
8877
8878 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
8879
8880         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
8881         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
8882         operate on the top of stack.
8883         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
8884         register handling of instructions that output to the second
8885         stack slot.
8886         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
8887         (move_for_stack_reg): Special-case check for dead destination
8888         stack slot for constant load of 1.0 inside UNSPEC_TAN.
8889
8890         * config/i386/i386.md (UNSPEC_TAN): New constant.
8891         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
8892         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
8893         to correctly model move of constant 1.0 to top stack slot.
8894         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
8895         (unnamed peephole2 pattern): Remove corresponding peephole2
8896         pattern that optimizes tan insn and loading of constant 1.0.
8897         (tanxf2): Use fptanxf4_i387.
8898         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
8899         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
8900         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8901         disable patterns for SSE math.
8902         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
8903         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
8904
8905 2007-01-18  Dirk Mueller  <dmueller@suse.de>
8906             Richard Guenther <rguenther@suse.de>
8907
8908         PR diagnostic/8268
8909         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
8910         * common.opt (Warray-bounds): Add new warning option.
8911         * c-opts.c (c_common_handle_option): Define -Warray-bounds
8912         if -Wall is given.
8913         * Makefile.in: make tree-vrp.o depend on toplev.h
8914         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
8915         is enabled.
8916         (check_array_refs, check_array_bounds, check_array_ref): New.
8917
8918 2007-01-18  Jan Hubicka  <jh@suse.cz>
8919
8920         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
8921         (execute_ssa_ccp): Return flags conditionally.
8922         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
8923         changed.
8924         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
8925
8926 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
8927
8928         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
8929         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
8930
8931         * Makefile.c (GTFILES): Add cfglayout.h.
8932         * gengtype.c (open_base_files): Likewise.
8933         * cfglayout.c (cfg_layout_function_footer,
8934         cfg_layout_function_header) Reindent to make gengtype happy.
8935         * cfglayout.h (cfg_layout_function_footer,
8936         cfg_layout_function_header): Add GTY(()) marker.
8937
8938         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
8939
8940 2007-01-18  Ben Elliston  <bje@au.ibm.com>
8941
8942         * genautomata.c (write_automata): Include xstrerror output in the
8943         error message if writing the DFA description file fails.
8944
8945 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
8946
8947         * config/mips/mips-protos.h (mips_output_external): Make it
8948         return void.
8949         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
8950         * config/mips/mips.c (irix_output_external_libcall): Likewise.
8951         (extern_list): Likewise.
8952         (extern_head): Likewise.
8953         (TARGET_ASM_FILE_END): Likewise.
8954         (mips_file_end): Likewise.
8955         (mips_output_external): Rewritten.
8956
8957 2007-01-18  Ben Elliston  <bje@au.ibm.com>
8958
8959         * genpreds.c (write_insn_preds_c): Only write out the function
8960         body for regclass_for_constraint if we have register constraints.
8961
8962 2007-01-17  Tom Tromey  <tromey@redhat.com>
8963
8964         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
8965         * doc/install.texi (Testing): Use sourceware.org.
8966         (Binaries): Likewise.
8967         (Specific): Likewise.
8968         * doc/contrib.texi (Contributors): Use sourceware.org.
8969
8970 2007-01-17  Anatoly Sokolov <aesok@post.ru>
8971
8972         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
8973         (AVR_ENHANCED): Rename to ...
8974         (AVR_HAVE_MUL): ... new.
8975         (avr_enhanced_p): Rename to ...
8976         (avr_have_mul_p): ... new.
8977         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
8978         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
8979         * config/avr/avr.c (avr_enhanced_p): Rename to ...
8980         (avr_have_mul_p): ... new.
8981         (base_arch_s): Rename 'enhanced' to 'have_mul'.
8982         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
8983         'avr_enhanced_p' and 'enhanced'.
8984         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
8985         AVR_HAVE_MUL instead of AVR_ENHANCED.
8986         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
8987         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
8988         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
8989         instead of AVR_ENHANCED.
8990         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
8991         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
8992         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
8993
8994 2007-01-17  Ian Lance Taylor  <iant@google.com>
8995
8996         * vec.h (VEC_reserve_exact): Define.
8997         (vec_gc_p_reserve_exact): Declare.
8998         (vec_gc_o_reserve_exact): Declare.
8999         (vec_heap_p_reserve_exact): Declare.
9000         (vec_heap_o_reserve_exact): Declare.
9001         (VEC_OP (T,A,reserve_exact)): New static inline function, three
9002         versions.
9003         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
9004         negative parameter.
9005         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
9006         (VEC_OP (T,A,copy)) [all versions]: Likewise.
9007         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
9008         * vec.c (calculate_allocation): Add exact parameter.  Change all
9009         callers.
9010         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
9011         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
9012         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
9013         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
9014         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
9015         (vec_heap_p_reserve_exact): New function.
9016         (vec_heap_o_reserve_exact): New function.
9017
9018 2007-01-17  Jan Hubicka  <jh@suse.cz>
9019
9020         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
9021
9022 2007-01-17  Eric Christopher  <echristo@apple.com>
9023
9024         * config.gcc: Support core2 processor.
9025
9026 2007-01-16  Jan Hubicka  <jh@suse.cz>
9027
9028         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
9029         the names, just unlink the chain so we don't crash on dangling pointers
9030         to dead SSA names.
9031
9032 2007-01-16  Jan Hubicka  <jh@suse.cz>
9033
9034         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
9035         * tree-pass.h: Reorder to make IPA passes appear toegher.
9036         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
9037         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
9038         parameters, do not call early inliner.
9039         * ipa-inline.c: Update comments.  Include tree-flow.h
9040         (cgraph_decide_inlining): Do not compute inlining parameters.
9041         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
9042         be called with function context set up.
9043         (pass_ipa_inline): Remove unreachable functions before pass.
9044         (cgraph_early_inlining): Simplify assuming to be called from the
9045         PM as local pass.
9046         (pass_early_inline): New pass.
9047         (cgraph_gate_ipa_early_inlining): New gate.
9048         (pass_ipa_early_inline): Turn into simple wrapper.
9049         (compute_inline_parameters): New function.
9050         (gate_inline_passes): New gate.
9051         (pass_inline_parameters): New pass.
9052         (apply_inline): Move here from tree-optimize.c
9053         (pass_apply_inline): New pass.
9054         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
9055         transforming.
9056         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
9057         doing them by hand.
9058         (tree_function_versioning): Do not allocate dummy struct function.
9059         * tree-inline.h (optimize_inline_calls): Update prototype.
9060         * tree-optimize.c (execute_fixup_cfg): Export.
9061         (pass_fixup_cfg): Remove
9062         (tree_rest_of_compilation): Do not apply inlines.
9063         * tree-flow.h (execute_fixup_cfg): Declare.
9064         * Makefile.in (gt-passes.c): New.
9065         * passes.c: Include gt-passes.h
9066         (init_optimization_passes): New passes.
9067         (nnodes, order): New static vars.
9068         (do_per_function_toporder): New function.
9069         (execute_one_pass): Dump current pass here.
9070         (execute_ipa_pass_list): Don't dump current pass here.
9071
9072 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
9073
9074         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
9075         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
9076
9077 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
9078
9079         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
9080         (strong_alias): Define.
9081         (__gcc_qmul): Provide non-FMA for soft-float.
9082         (__gcc_qdiv): Same.
9083         (__gcc_qneg): New.
9084         (__gcc_qeq): New.
9085         (__gcc_qle): New.
9086         (__gcc_qge): New.
9087         (__gcc_qunord): New.
9088         (__gcc_stoq): New.
9089         (__gcc_dtoq): New.
9090         (__gcc_qtos): New.
9091         (__gcc_qtod): New.
9092         (__gcc_qtoi): New.
9093         (__gcc_qtou): New.
9094         (__gcc_itoq): New.
9095         (__gcc_utoq): New.
9096         (fmsub): New.
9097         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
9098         soft-float functions.
9099         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
9100         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
9101         about long double soft float.
9102
9103 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
9104             Tehila Meyzels  <tehila@il.ibm.com>
9105
9106         * tree-vectorizer.h (is_pattern_stmt_p): New.
9107         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
9108         formatting (tabs instead of spaces). Cleanup and clarify setting
9109         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
9110         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
9111         (vectorizable_type_demotion): Check that types are integral.
9112         (vectorizable_type_promotion): Likewise.
9113         (vectorizable_store): Fix typo.  Eliminate new-line at end of
9114         comments.
9115
9116 2007-01-16  Jan Hubicka  <jh@suse.cz>
9117
9118         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
9119         cgraph edges too.
9120
9121 2007-01-15  Eric Christopher  <echristo@apple.com>
9122
9123         * ifcvt.c: Include vec.h, vecprim.h.
9124         (check_cond_move_block): New argument regs.
9125         Reorganize. Add registers used to regs.
9126         (cond_move_process_if_block): Use regs set above as
9127         loop bounds.
9128
9129 2007-01-15  Eric Christopher  <echristo@apple.com>
9130
9131         * config/darwin.h: Update copyright.
9132         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
9133         (LINK_COMMAND_SPEC): Add -u.
9134         (LINK_SPEC): Fix umbrella for above.
9135
9136 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
9137
9138         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
9139         glibc CVS.
9140
9141 2007-01-15  Tom Tromey  <tromey@redhat.com>
9142
9143         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
9144         * doc/install.texi (Testing): Don't mention jacks.
9145         (Configuration): Document --enable-java-maintainer-mode.  Move
9146         --with-java-home to libgcj-specific section.  Document
9147         --with-ecj-jar.
9148         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
9149
9150 2007-01-15  Jan Hubicka  <jh@suse.cz>
9151
9152         * tree-ssa-dce.c (DCE_TODOs): New.
9153         (propagate_necessity): Return if something changed.
9154         (eliminate_unnecessary_stmts): Likewise.
9155         (perform_tree_ssa_dce): Return TODO flags when needed.
9156         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
9157
9158 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
9159
9160         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
9161         (fyl2x_extend<mode>xf3_i387): New insn pattern.
9162         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
9163         patterns using X87MODEF12 mode macro.  Extend operand 1
9164         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
9165         (log10<mode>2): Ditto.
9166         (log2<mode>2): Ditto.
9167         (log1p<mode>2): Ditto.
9168         (logb<mode>2): Ditto.
9169         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
9170         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
9171         (*fxtractxf3_i387): Rename from *fxtractxf3.
9172         (fxtract_extend<mode>xf3_i387): New insn pattern.
9173         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
9174         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
9175         and gen_fyl2xxf3_i387().
9176
9177 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
9178
9179         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
9180         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
9181         get_loop_exit_edges.  Changed return type to bool.
9182         * cfgloop.h (fix_loop_placement): Declaration removed.
9183
9184 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
9185
9186         * param.h (MIN_VECT_LOOP_BOUND): New.
9187         * params.def (MIN_VECT_LOOP_BOUND): New.
9188         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
9189         argument - minimum threshold for number of iterations.
9190         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
9191         argument to declaration.
9192         * tree-vect-analyze.c (vect_analyze_operations): Check value of
9193         MIN_VECT_LOOP_BOUND.
9194         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
9195         slpeel_tree_peel_loop_to_edge with additional argument.
9196         (vect_do_peeling_for_alignment): Likewise.
9197         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
9198
9199 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
9200
9201         PR target/30413
9202         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
9203         operands of size 1.
9204
9205 2007-01-14  Jan Hubicka  <jh@suse.cz>
9206
9207         * tree-dfa.c (remove_referenced_var): New function.
9208         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
9209         prune referenced vars list too.
9210         * tree-flow.h (remove_referenced_var): Declare.
9211
9212 2007-01-14  Jan Hubicka  <jh@suse.cz>
9213
9214         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
9215         separately.
9216         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
9217         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
9218         * except.h (verify_eh_throw_table_statements): Kill prototype.
9219         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
9220         into call exrepssions.
9221         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
9222         eh trhow verifier.
9223         * tree-cfg.c: Include pointer-set.h.
9224         (verify_node_sharing): Work on pointer set.
9225         (verify_eh_throw_stmt_node): New.
9226         (verify_stmts): Use pointers sets, verify throw_stmt.
9227
9228 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
9229
9230         * ipa-reference.c (analyze_function): Consider also addresses taken
9231         in phi nodes.
9232
9233 2007-01-12  Roger Sayle  <roger@eyesopen.com>
9234
9235         * c-typeck.c (null_pointer_constant_p): Replace use of
9236         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9237         (build_c_cast): Likewise.
9238
9239 2007-01-12  Roger Sayle  <roger@eyesopen.com>
9240
9241         * tree.h (force_fit_type_double): Remove unused final argument.
9242         * c-common.c (constant_expression_warning): Replace use of
9243         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9244         (convert_and_check): Likewise.
9245         (shorten_compare): Update call to force_fit_type_double.
9246         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
9247         * convert.c (convert_to_pointer): Update call to
9248         force_fit_type_double.
9249         * fold-const.c (force_fit_type_double): Remove overflowed_const
9250         argument.
9251         (int_const_binop, fold_convert_const_int_from_int,
9252         fold_convert_const_int_from_real, fold_div_compare,
9253         fold_sign_changed_comparison, fold_unary, fold_negate_const,
9254         fold_abs_const, fold_not_const): Remove the final argument from
9255         calls to force_fit_type_double.
9256
9257 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9258
9259         * configure.ac: Set insn to "nop" for spu-*-* also.
9260         * configure: Regenerate.
9261
9262 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
9263
9264         * builtins.def : Add BUILT_IN_FREE.
9265
9266 2007-01-12  Jan Hubicka  <jh@suse.cz>
9267
9268         PR tree-optimization/30443
9269         * tree-inline.c (tree_function_versioning): Do not optimize when
9270         cloning for inlining.
9271
9272 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
9273
9274         * doc/loop.texi: Document recording of loop exits.
9275         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
9276         (update_single_exits_after_duplication,
9277         update_single_exit_for_duplicated_loop,
9278         update_single_exit_for_duplicated_loops): Removed.
9279         (duplicate_loop_to_header_edge): Do not call
9280         update_single_exits_after_duplication and
9281         update_single_exit_for_duplicated_loops.
9282         (loop_version): Do not update single_exit information.
9283         (fix_loop_structure): Use record_loop_exits instead of
9284         mark_single_exit_loops.
9285         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
9286         the lists of loop exits.
9287         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
9288         split_edge, merge_blocks): Update the lists of loop exits.
9289         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
9290         loop_optimizer_init.
9291         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
9292         of mark_single_exit_loops.
9293         (loop_optimizer_finalize): Call release_recorded_exits.
9294         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
9295         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
9296         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
9297         update single exit information.
9298         * lambda-code.c (perfect_nestify): Ditto.
9299         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
9300         (mark_single_exit_loops): Removed.
9301         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
9302         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
9303         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
9304         functions.
9305         (get_loop_exit_edges, single_exit): Use recorded exit lists.
9306         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
9307         (verify_loop_structure): Verify consistency of the exit lists.
9308         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
9309         (set_single_exit): Removed.
9310         * cfgloop.h (struct loop_exit): New function.
9311         (struct loop): single_exit_ field replaced by exits field.
9312         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
9313         (struct loops): Added exits hash.
9314         (mark_single_exit_loops, set_single_exit): Declaration removed.
9315         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
9316
9317 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9318
9319         * doc/invoke.texi: Avoid use of @headitem.
9320
9321 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9322
9323         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
9324
9325 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9326
9327         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
9328         list of targets.
9329
9330 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9331             Richard Sandiford  <richard@codesourcery.com>
9332
9333         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
9334         * config/m68k/m68k.opt: Resort options.
9335         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
9336
9337 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9338             Richard Sandiford  <richard@codesourcery.com>
9339
9340         * doc/invoke.texi: Document the macros that are defined by
9341         m68k's -mtune and -mhard-float options.
9342         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
9343         (m68k_cpp_cpu_family): Likewise.
9344         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
9345         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
9346         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
9347         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
9348         (m68k_cpp_cpu_family): Likewise.
9349
9350 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9351
9352         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
9353         macros besides mc68000 as tuning macros.  Use a switch statement
9354         to set them and mcpu32.
9355
9356 2007-01-12  Julian Brown  <julian@codesourcery.com>
9357
9358         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
9359         (TARGET_68040_ONLY): Rename to...
9360         (TARGET_68040): ...this.
9361         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
9362         * config/m68k/m68k.md: Likewise.
9363
9364 2007-01-12  Julian Brown  <julian@codesourcery.com>
9365             Nathan Sidwell  <nathan@codesourcery.com>
9366             Richard Sandiford  <richard@codesourcery.com>
9367
9368         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
9369         the -mcpu= argument associated with the --with-cpu setting.
9370         Define M68K_DEFAULT_TUNE to the default -mtune= option,
9371         if different from the one implied by the -mcpu setting.
9372         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
9373         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
9374         * doc/invoke.texi: Mention ColdFire in the introduction to the
9375         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
9376         -mno-div and -mhard-float options.  Make -m68881 a synonym for
9377         -mhard-float.  Document the previously-undocumented -m5206e,
9378         -m528x, -m5307 and -m5407 options.  Tweak the existing option
9379         documentation for consistency.
9380         * doc/install.texi: Mention new --with-cpu arguments.
9381         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
9382         default CPU if neither -mcpu nor -march are specified.
9383         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
9384         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
9385         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
9386         using m68k_tune to decide between families that implement the
9387         same ISA.  Use m68k_tune to set __mcfv4e__.
9388         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
9389         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
9390         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
9391         (FL_ISA_C, FL_ISA_MMU): New macros.
9392         (MASK_COLDFIRE): Delete.
9393         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
9394         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
9395         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
9396         (TARGET_HARD_FLOAT): Do not define here.
9397         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
9398         (TUNE_68000): New macro.
9399         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
9400         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
9401         (TUNE_CFV2): Redefine in terms of m68k_tune.
9402         (uarch_type, target_device, fpu_type): New enums.
9403         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
9404         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
9405         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
9406         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
9407         (FL_FOR_isa_c): New macros.
9408         (m68k_isa): New enum.
9409         (m68k_target_selection): New structure.
9410         (all_devices, all_isas, all_microarchs): New tables.
9411         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
9412         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
9413         (MASK_ALL_CPU_BITS): Delete.
9414         (m68k_find_selection): New function.
9415         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
9416         Map the legacy target options to a combination of the new ones.
9417         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
9418         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
9419         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
9420         settings.
9421         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
9422         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
9423         properties.
9424         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
9425         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
9426         * config/m68k/m68k-devices.def: New file.
9427
9428 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9429             Nathan Sidwell  <nathan@codesourcery.com>
9430
9431         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
9432         (SUBTARGET_EXTRA_SPECS): New macros.
9433         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
9434         use %(asm_cpu_spec) instead.
9435         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
9436         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
9437         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
9438         (EXTRA_SPECS): Rename to...
9439         (SUBTARGET_EXTRA_SPECS): ...this.
9440
9441 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9442             Richard Sandiford  <richard@codesourcery.com>
9443             Julian Brown  <julian@codesourcery.com>
9444
9445         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9446         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
9447         to the configuration's default CPU.
9448         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
9449         Remove default masks.
9450         (m680[012]0-*-*): Set the default with_cpu to the first part of
9451         the target name.
9452         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
9453         (m68k*-*-linux): Extend the --with-cpu handling to...
9454         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
9455         and m68010.  Don't set target_cpu_default2.
9456         * doc/install.texi: Document --with-cpu for m68k.
9457         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
9458         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
9459         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
9460         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
9461         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
9462         (ASM_SPEC): Remove use of %(asm_cpu_default).
9463         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
9464         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
9465         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
9466         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
9467         __HAVE_FPU__ if TARGET_HARD_FLOAT.
9468         (TARGET_DEFAULT): Delete.
9469         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
9470         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
9471         (CPP_CPU_SPEC): Delete.
9472         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
9473         the appropriate string.
9474         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
9475         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
9476         (ASM_SPEC): Don't use %(asm_default_spec).
9477         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9478         TARGET_DEFAULT and add MASK_68881.
9479         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
9480
9481 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9482
9483         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
9484         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
9485         MASK_68010 alongside MASK_68020.
9486         * doc/invoke.texi: Document -m68010.
9487         * config/m68k/m68k.opt (m68010): New.
9488         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
9489         if TUNE_68010.
9490         (TUNE_68010): New macro.
9491         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
9492         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
9493         (M68K_CPU_m68332): Add MASK_68010.
9494         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
9495         fallback definition.
9496         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
9497         defines.
9498         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
9499         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
9500         to all entries that use MASK_68020.
9501         (output_move_simode_const, output_move_himode, output_move_qimode)
9502         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
9503         instead of TARGET_68020 to select clr behavior.  Remove comment
9504         about there being no TARGET_68010.
9505         * config/m68k/m68k.md: Likewise throughout.
9506
9507 2007-01-12  Julian Brown  <julian@codesourcery.com>
9508
9509         * config/m68k/m68k.h (TARGET_ISAB): New macro.
9510         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
9511         * config/m68k/m68k.md: Likewise.
9512
9513 2007-01-12  Julian Brown  <julian@codesourcery.com>
9514
9515         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
9516         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
9517
9518 2007-01-12  Julian Brown  <julian@codesourcery.com>
9519
9520         * config/m68k/m68k.h (TUNE_68040_60): New macro.
9521         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
9522         * config/m68k/m68k.md: Likewise.
9523
9524 2007-01-12  Julian Brown  <julian@codesourcery.com>
9525             Richard Sandiford  <richard@codesourcery.com>
9526
9527         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
9528         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
9529         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
9530         TARGET_CPU32.
9531         (TARGET_CPU32): Rename to...
9532         (TUNE_CPU32): ...this.
9533         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
9534         (TUNE_CFV2): New macros.
9535         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
9536         remove conditions that are implied by TARGET_68020.
9537         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
9538         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
9539         (m68k_output_function_epilogue): Likewise.
9540         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
9541         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
9542         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
9543         non-68000 timings.  Refactor multiplication and division costs.
9544         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
9545         TUNE_CPU32 instead of TARGET_CPU32.
9546         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
9547         and TUNE_68060 instead of TARGET_68060.
9548         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
9549         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
9550         TARGET_CPU32.
9551         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
9552         && !TARGET_COLDFIRE" to choose between moveq and clr.
9553         Likewise in the unnamed movsf pattern.
9554         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
9555         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
9556         ashiftrt pattern.
9557
9558 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9559
9560         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
9561         of tabbing before backslashes.
9562
9563 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9564
9565         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
9566         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
9567         (ASM_OUTPUT_INTERNAL_LABEL): Define.
9568
9569 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
9570
9571         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
9572         find_interesting_uses_cond.
9573         (find_interesting_uses_cond): Use extract_cond_operands.
9574         (rewrite_use_compare): Use extract_cond_operands and
9575         force_gimple_operand_bsi.  Do not call update_stmt.
9576         (determine_use_iv_cost_condition): Use extract_cond_operands.
9577         Return cheaper of using original bound and changing the exit bound.
9578
9579 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
9580
9581         PR tree-optimization/29516
9582         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
9583         most_expensive_mult_to_index, addr_to_parts,
9584         create_mem_ref, maybe_fold_tmr): Make the type of
9585         fields of TARGET_MEM_REF sizetype.
9586         (move_fixed_address_to_symbol, move_pointer_to_base):
9587         New functions.
9588         * tree.def (TARGET_MEM_REF): Add comment on types of
9589         the operands.
9590
9591 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
9592
9593         * c-common.c (vector_types_convertible_p): Treat opaque types as
9594         always convertible if they have the same size, but not otherwise.
9595
9596 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
9597
9598         * ifcvt.c (struct noce_if_info): Add comments to the fields.
9599         Remove the b_unconditional field.
9600         (noce_try_sign_mask): Do not look at b_unconditional.
9601         (noce_process_if_block): Do not use merge_if_blocks.  Update
9602         the CFG here.  Do not set b_unconditional.
9603         (cond_move_process_if_block): Likewise.
9604         (find_cond_trap): Likewise.
9605         (check_cond_move_block): Require simple jump insns at the end
9606         of the basic block.
9607
9608 2007-01-11  Jan Hubicka  <jh@suse.cz>
9609
9610         PR tree-optimization/1046
9611         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
9612         when alias info is not ready.
9613         (pass_tail_recursion): Do not require aliasing.
9614         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
9615         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
9616         * tree-ssa-copy.c (pass_copy_prop): Likewise.
9617         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
9618         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
9619         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
9620         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
9621         before inlining.
9622         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
9623         When aliasing is not build, mark statement as volatile.
9624
9625 2007-01-11  Tom Tromey  <tromey@redhat.com>
9626
9627         PR preprocessor/15185, PR preprocessor/20989:
9628         * doc/cppopts.texi <-MT>: Update description of algorithm for
9629         computing default target.
9630         <-M, -MD>: Reword "basename" text.
9631
9632 2007-01-11  Roger Sayle  <roger@eyesopen.com>
9633
9634         * builtins.c (expand_builtin_pow, expand_builtin_powi,
9635         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
9636         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
9637         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
9638         fold_builtin_bswap, real_constp, fold_builtin_pow,
9639         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
9640         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
9641         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9642         * convert.c (convert_to_pointer): Likewise.
9643         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
9644         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
9645         const_binop, fold_convert_const_int_from_int,
9646         fold_convert_const_int_from_real,
9647         fold_convert_const_real_from_real, sign_bit_p,
9648         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
9649         fold_sign_changed_comparison, fold_unary, fold_comparison,
9650         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
9651         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
9652         * print-tree.c (print_node_brief, print_node): Likewise.
9653         * stor-layout.c (place_field, layout_type): Likewise.
9654         * tree-chrec.c (keep_cast): Likewise.
9655         * tree.c (build_vector, build_real, build_real_from_int_cst,
9656         build_complex): Likewise.
9657
9658 2007-01-11  Roger Sayle  <roger@eyesopen.com>
9659
9660         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
9661         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
9662
9663 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
9664
9665         * configure.ac (strict1_warn): Rename to strict_warn.
9666         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
9667         cc_set_by_configure, quoted_cc_set_by_configure,
9668         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
9669         all_boot_languages, all_stagestuff): Remove.
9670         (target_list): Remove bootstrap targets.
9671         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
9672         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
9673         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
9674         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
9675         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
9676         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
9677         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
9678         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
9679         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
9680         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
9681         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
9682         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
9683         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
9684         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
9685         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
9686         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
9687         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
9688         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
9689         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
9690         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
9691         (mostlyclean): Adjust.
9692         (clean, distclean): Don't mention bootstrap stuff.
9693         * configure: Regenerate.
9694         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
9695         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
9696         treelang/config-lang.in (stagestuff): Remove.
9697         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
9698         stageprofile, stagefeedback, stagestuff): Remove mention.
9699
9700 2007-01-11  Nick Clifton  <nickc@redhat.com>
9701
9702         * config/mcore/predicates.md (mcore_general_movesrc_operand):
9703         Accept CONSTs.
9704         (mcore_general_movdst_operand): Do not accept CONST_INTs.
9705         (mcore_arith_K_S_operand): Run the test for the S constraint not
9706         the test for the M constraint.
9707         (mcore_addsub_operand): Do not accept integer values that are
9708         larger than 32 bits.
9709         * config/mcore/mcore.md: Remove unused constraints from split.
9710         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
9711         (addsi3): Likewise.
9712         (allocate_stack): Likewise.
9713         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
9714         operands to 32 bits.
9715         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
9716         INTVAL.
9717         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
9718         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
9719         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
9720         mcore_output_bclri, mcore_output_andn, output_inline_const,
9721         mcore_output_move, mcore_output_movedouble): Likewise.
9722         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
9723         (output_inline_const): Likewise.
9724         (output_inline_const): Fix format strings used in sprintf
9725         statements.
9726         * config/mcore/mcore-protos.h: Update prototypes for changed
9727         functions in mcore.c.
9728         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
9729         HOST_WIDE_INT and not int.
9730         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
9731         CONST_OK_FOR_N): Likewise.
9732         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
9733         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
9734         an INTVAL.
9735
9736 2007-01-10  Jan Hubicka  <jh@suse.cz>
9737
9738         * tree-vrp.c (remove_range_assertions): Release defs.
9739         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
9740         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
9741
9742 2007-01-10  Paul Brook  <paul@codesourcery.com>
9743
9744         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
9745         * config/arm/arm.md (mulsi3subsi): New insn.
9746
9747 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
9748
9749         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
9750         (tree_transform_and_unroll_loop): New.
9751         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
9752         Declare.
9753
9754 2007-01-10  Robert Kennedy <jimbob@google.com>
9755
9756         * fold-const.c (fold_comparison): Fold comparisons like (x *
9757         1000 < 0) to (x < 0).
9758
9759 2007-01-10  Ian Lance Taylor  <iant@google.com>
9760
9761         * tree-pretty-print.c (dump_generic_node): Print parentheses when
9762         operands have the same priority.
9763
9764 2007-01-10  Tom Tromey  <tromey@redhat.com>
9765
9766         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
9767         (fold_binary): Likewise.
9768         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
9769         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
9770         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
9771         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
9772         * langhooks.h (struct lang_hooks): Removed field
9773         'can_use_bit_fields_p'.
9774
9775 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
9776
9777         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
9778
9779 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
9780
9781         * function.c (get_last_funcdef_no): New function.
9782         * function.h (get_last_funcdef_no): Declare.
9783         * tree-inline.c (initialize_cfun): Add initialization.
9784         (tree_function_versioning): Cleanup.
9785
9786 2007-01-10  Jan Hubicka  <jh@suse.cz>
9787
9788         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
9789         PHIs.
9790
9791 2007-01-10  Sa Liu  <saliu@de.ibm.com>
9792             Ben Elliston  <bje@au.ibm.com>
9793
9794         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
9795         for SAVE_NONLOCAL and Pmode for any other save level.
9796         * spu-protos.h (spu_restore_stack_block): Declare.
9797         * spu.md (save_stack_block): Remove.
9798         (restore_stack_block): Call spu_restore_stack_block.
9799         * spu.c (spu_restore_stack_block): New function.
9800         (spu_expand_epilogue): Remove old comment.
9801
9802 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
9803
9804         PR tree-optimization/30322
9805         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
9806         (cand_value_at): Return the value as aff_tree.
9807         (may_eliminate_iv): Convert the bound from aff_tree to tree.
9808         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
9809         aff_combination_mult): New functions.
9810         (aff_combination_add): Use aff_combination_add_cst.
9811         (aff_combination_convert): Allow conversions to a wider type.
9812         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
9813         * tree-affine.h (aff_combination_mult): Declare.
9814
9815 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
9816
9817         * doc/tm.texi: Update documentation to reflect reality of exec
9818         and start file search behaviours. Update copyright year.
9819         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
9820         header file directories.
9821
9822 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
9823
9824         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
9825         (*cosxf2): Rename to cosxf2_i387.
9826         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
9827         using X87MODEF12 mode macro. Rename patterns to
9828         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
9829         for SSE math.
9830         (*cosdf2, *cossf2): Ditto.
9831         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
9832         to match extended input operands.
9833         (sincos<mode>3): New expander.
9834         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
9835         insn patterns and corresponding splitters.
9836
9837 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
9838
9839         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
9840         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
9841
9842 2007-01-09  Nicolas Pitre  <nico@cam.org>
9843
9844         PR target/30173
9845         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
9846
9847 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
9848
9849         * target.h (struct gcc_target): New field library_rtti_comdat.
9850         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
9851         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
9852         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
9853         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
9854
9855 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
9856
9857         * doc/invoke.texi (Optimize Options): Correct description of -O0.
9858
9859 2007-01-08  Richard Guenther  <rguenther@suse.de>
9860
9861         * tree.h (force_fit_type_double): Export.
9862         (force_fit_type): Remove.
9863         * fold-const.c (force_fit_type_double): New function.
9864         (force_fit_type): Remove.
9865         (int_const_binop): Use it.
9866         (fold_convert_const_int_from_int): Likewise.
9867         (fold_convert_const_int_from_real): Likewise.
9868         (fold_div_compare): Likewise.
9869         (fold_sign_changed_comparison): Likewise.
9870         (fold_unary): Likewise.
9871         (fold_negate_const): Likewise.
9872         (fold_abs_const): Likewise.
9873         (fold_not_const): Likewise.
9874         * c-common.c (shorten_compare): Use force_fit_type_double.
9875         * convert.c (convert_to_pointer): Likewise.
9876
9877 2007-01-08  Richard Guenther  <rguenther@suse.de>
9878
9879         * tree.h (build_int_cst_wide_type): Export.
9880         * tree.c (build_int_cst_wide_type): New function.
9881         (build_int_cst_wide): Fix comment.
9882         * builtins.c (fold_builtin_object_size): Use build_int_cst
9883         to build -1 or 0 of the correct type.  Use fit_double_type
9884         to check for overflow.
9885         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
9886         to build the mask.
9887         (decode_field_reference): Likewise.
9888         (all_ones_mask_p): Likewise.
9889         (native_interpret_int): Use build_int_cst_wide_type.
9890         (fold_binary): Use build_int_cst_type to build an all-ones
9891         value.
9892         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
9893
9894 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
9895
9896         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
9897
9898 2007-01-09  Ben Elliston  <bje@au.ibm.com>
9899
9900         * genautomata.c (STATS_OPTION): New option.
9901         (stats_flag): New flag.
9902         (gen_automata_option): Handle it.
9903         (initiate_automaton_gen): Ditto.
9904         (write_automata): Output statistics only if stats_flag is
9905         set. Likewise, output time statistics only if time_flag is set.
9906         * doc/md.texi (Processor pipeline description): Document new flag.
9907
9908 2007-01-08  Richard Guenther  <rguenther@suse.de>
9909
9910         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
9911         * tree.c (build_int_cst_type): Likewise.
9912         (size_in_bytes): Don't call force_fit_type on the result.
9913         (int_fits_type_p): Use fit_double_type.
9914         * fold-const.c (fit_double_type): New function.
9915         (force_fit_type): Use it.
9916         * tree.h (fit_double_type): Export.
9917
9918 2007-01-08  Jan Hubicka  <jh@suse.cz>
9919
9920         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
9921         * ipa.c (function_and_variable_visibility): Fix return type.
9922
9923 2007-01-08  Richard Guenther  <rguenther@suse.de>
9924
9925         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
9926         of offset to build the index.
9927         * tree-pretty-print.c (dump_generic_node): Don't build negated
9928         const just for printing.
9929         * c-pretty-print.c (pp_c_integer_constant): Likewise.
9930         * builtins.c (fold_builtin_int_roundingfn): Check if result
9931         fits the type by using force_fit_type and comparing the result.
9932         * predict.c (predict_loops): Use compare_tree_int for comparison.
9933         * tree.c (build_int_cst): Fall back to integer_type_node for
9934         NULL_TREE type.
9935         (build_int_cst_wide): Assert type is non-null.
9936
9937 2007-01-08  Roberto Costa  <roberto.costa@st.com>
9938
9939         * tree-vrp.c (extract_range_from_cond_expr): New.
9940         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
9941         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
9942         as expressions.
9943         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
9944         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
9945         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
9946         used as expressions.
9947         * tree-object-size.c (cond_expr_object_size): New.
9948         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
9949
9950 2007-01-08  Jan Hubicka  <jh@suse.cz>
9951
9952         * tree-ssa-forwprop.c (forward_propagate_into_cond,
9953         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
9954         statement.
9955
9956 2007-01-08  Richard Guenther  <rguenther@suse.de>
9957
9958         PR tree-optimization/23603
9959         * tree-vrp.c (set_value_range_to_truthvalue): New function.
9960         (extract_range_from_binary): Fall back to truthvalue instead of
9961         varying for TRUTH_*_EXPR.
9962         (extract_range_from_comparison): Fall back to truthvalue instead of
9963         varying.
9964         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
9965         if all visited PHI values were constant.
9966
9967 2007-01-08  Jan Hubicka  <jh@suse.cz>
9968
9969         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
9970         (cgraph_analyze_function): break out from ...
9971         (cgraph_finalize_compilation_unit): ... here.
9972         (cgraph_expand_function): Remove forgoten commented out line.
9973         (cgraph_optimize): Analyze functions.
9974
9975 2007-01-08  Jan Hubicka  <jh@suse.cz>
9976
9977         * tree-pas.h (TODO_remove_function): New flag.
9978         (TODO_update*): Renumber.
9979         (pass_ipa_increase_alignment,
9980         pass_ipa_function_and_variable_visibility): New passes.
9981         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
9982         (cgraph_function_and_variable_visibility): Move to ipa.c
9983         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
9984         cgraph_increase_alignment.
9985         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
9986         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
9987         calling tree-inline.
9988         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
9989         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
9990         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
9991         (gate_increase_alignment): New function.
9992         (pass_ipa_increase_alignment): New pass.
9993         * ipa.c: Inline tree-pass.h and timevar.h
9994         (function_and_variable_visibility): Move here from cgraphunit.c
9995         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
9996         * passes.c (init_optimization_passes): Add the two new passes.
9997         (execute_todo): Handle cgraph_remove_functions.
9998
9999 2007-01-08  Nick Clifton  <nickc@redhat.com>
10000
10001         * config/frv/predicates.md (reg_or_0_operand): Accept
10002         CONST_DOUBLEs.
10003
10004 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
10005
10006         * config/bfin/rtems.h, config/bfin/t-rtems: New.
10007         * config.gcc: Add bfin*-rtems*.
10008
10009 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
10010
10011         * c.opt: Add -flax-vector-conversions.
10012         * c-typeck.c (convert_for_assignment): Pass flag to
10013         vector_types_convertible_p to allow emission of note.
10014         (digest_init): Likewise.
10015         * c-opts.c: Handle -flax-vector-conversions.
10016         * c-common.c (flag_lax_vector_conversions): New.
10017         (vector_types_convertible_p): Unless -flax-vector conversions
10018         has been passed, disallow conversions between vectors with
10019         differing numbers of subparts and/or element types.  If such
10020         a conversion is disallowed, possibly emit a note on the first
10021         occasion only to inform the user of -flax-vector-conversions.
10022         The new last argument specifies this.
10023         * c-common.h (flag_lax_vector_conversions): New.
10024         (vector_types_convertible_p): Add extra argument.
10025         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
10026         char_type_node for V*QI type vectors.
10027         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
10028         Update to satisfy new typechecking rules.
10029         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
10030         C and C++ variants.
10031         * doc/invoke.texi (C Dialect Options): Document
10032         -flax-vector-conversions.
10033
10034 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
10035
10036         PR tree-optimization/29877
10037         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
10038         a register variable on the RHS to not be replaceable.
10039
10040 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
10041         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
10042         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
10043         const_simm15, const_pow2, const_npow2): Added.
10044         * config/score/misc.md (insv, extv, extzv, movmemsi,
10045         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
10046         * config/score/score.c (score_address_cost, score_select_cc_mode):
10047         Added.
10048         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
10049         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
10050         Update score_print_operand.
10051         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
10052         Adjust register allocate order and update some macro define.
10053         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
10054         mdx_block_move_straight, mdx_block_move_loop_head,
10055         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
10056         mdx_block_move): Added.
10057         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
10058         mdp_limm): Updated and fix some bug and typo.
10059         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
10060         (movsf, movdf, doloop_end): Added.
10061
10062 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
10063
10064         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
10065         config/arm/thumb2.md: Fix comment typos.
10066         * doc/extend.texi: Fix a typo.
10067
10068 2007-01-07  Eric Christopher  <echristo@apple.com>
10069
10070         * configure.ac: Check for __stack_chk_fail for darwin.
10071         * configure: Regenerate.
10072
10073 2007-01-07  Richard Guenther  <rguenther@suse.de>
10074
10075         * tree-vrp.c (extract_range_from_assert): CSE calls to
10076         compare_values where possible.
10077         (extract_range_from_unary_expr): Likewise.
10078
10079 2007-01-07  Anatoly Sokolov <aesok@post.ru>
10080
10081         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
10082         * config/avr/avr.c (call_insn_operand): Delete function.
10083         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
10084         instead of register number. Use predicates.
10085         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
10086         call_insn_operand): Add.
10087
10088 2007-01-06  Jan Hubicka  <jh@suse.cz>
10089
10090         * tree-pass.h (pass_build_cgraph_edges): Declare.
10091         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
10092         (visited_nodes): Remove.
10093         (cgraph_create_edges): Move to cgraphbuild.c; rename to
10094         build_cgrpah_edges; make visited_nodes local.
10095         (cgraph_process_new_functions): DO not call initialize_inline_failed.
10096         (record_references_in_initializer): Move to cgraphbuild.c
10097         (initialize_inline_failed, rebuild_cgraph_edges,
10098         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
10099         (verify_cgraph_node): Make visited_nodes local.
10100         (cgraph_analyze_function): Do not call cgraph_create_edges and
10101         initialize_inline_failed.
10102         (cgraph_expand_function): Do not call cgraph_lower_function;
10103         assert that function is already lowered.
10104         * Makefile.in (cgraphbuild.o): New.
10105         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
10106         at the end of lowering passes.
10107
10108 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
10109
10110         * ifcvt.c (cond_move_convert_if_block): New function, code
10111         factored out from...
10112         (cond_move_process_if_block): ...here.  Call the new function
10113         on the THEN and ELSE blocks.
10114         (merge_if_block): Do not copy global_live_at_end, merge_blocks
10115         already takes care of this.
10116
10117 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10118
10119         PR c/19978
10120         * tree.h (TREE_OVERFLOW_P): New.
10121         * c-typeck.c (parser_build_unary_op): Warn only if result
10122         overflowed and operands did not.
10123         (parser_build_binary_op): Likewise.
10124         (convert_for_assignment): Remove redundant overflow_warning.
10125         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
10126
10127 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10128
10129         * c-typeck.c (store_init_value): Split over two lines to follow
10130         the GNU coding style.
10131
10132 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
10133
10134         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
10135         __GXX_EXPERIMENTAL_CXX0X__.
10136         * doc/cpp.texi: Same.
10137
10138 2007-01-05  Richard Guenther  <rguenther@suse.de>
10139
10140         PR middle-end/27826
10141         * tree.c (get_narrower): Do not construct COMPONENT_REFs
10142         with mismatched types.  Instead explicitly build a
10143         conversion NOP_EXPR.
10144
10145 2007-01-05  Ian Lance Taylor  <iant@google.com>
10146
10147         * c-common.c (decl_with_nonnull_addr_p): New function.
10148         (c_common_truthvalue_conversion): Call it.
10149         * c-typeck.c (build_binary_op): Likewise.
10150         * c-common.h (decl_with_nonnull_addr_p): Declare.
10151
10152 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
10153
10154         PR c/30360
10155         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
10156         denom against 0.0.
10157
10158 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
10159
10160         * doc/install.texi (Final install): Document the fact that
10161         the GNAT runtime should not be stripped.
10162
10163 2007-01-04  Jan Hubicka  <jh@suse.cz>
10164
10165         * tree-inline.c (fold_marked_statements): Update operand caches
10166         and EH after folding
10167
10168 2007-01-04  Ian Lance Taylor  <iant@google.com>
10169
10170         * c-common.c (check_function_nonnull): Whitespace fix.
10171
10172 2007-01-04  Jan Hubicka  <jh@suse.cz>
10173
10174         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
10175         comitted older version of patch.
10176         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
10177         function, celanup cfg and collect garbage.
10178
10179 2007-01-04  Mike Stump  <mrs@apple.com>
10180
10181         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
10182         (clean): Likewise.
10183
10184 2007-01-04  Eric Christopher  <echristo@apple.com>
10185
10186         * libgcc2.c (__bswapsi2): Use SItype.
10187         (__bswapdi2): Use DItype.
10188         * libgcc2.h: Update for above.
10189
10190 2007-01-04  Paul Brook  <paul@codesourcery.com>
10191
10192         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
10193         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
10194         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
10195         umulsidi3, umulsidi3adddi, smulsi3_highpart,
10196         umulsi3_highpart): Make conditional on !arm_arch6.
10197         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
10198         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
10199         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
10200         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
10201         umulsi3_highpart_v6): New insns.
10202
10203 2007-01-04  Roger Sayle  <roger@eyesopen.com>
10204
10205         * fold-const.c (fold_convert): When casting an expression to void,
10206         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
10207         have a type.  Instead of attempting to build a NOP_EXPR, return
10208         these "special" trees directly.
10209
10210 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
10211
10212         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
10213         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
10214         rs6000_cost->fp not 0 as adjustment for outer NEG.
10215
10216 2007-01-04  Jan Hubicka  <jh@suse.cz>
10217
10218         * cgraph.c (cgraph_release_function_body): New function.
10219         (cgraph_remove_node): Use it.
10220         * cgraph.h (cgraph_release_function_body): Declare.
10221         * cgraphunit.c (cgraph_expand_function): Use it.
10222         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
10223         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
10224         is initialized and while compilation of other function is running.
10225         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
10226         statement CFG annotations from here to ...
10227         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
10228
10229 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
10230
10231         * cfgloop.h (enum li_flags): Make the constants powers of two.
10232
10233 2007-01-04  Jan Hubicka  <jh@suse.cz>
10234
10235         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
10236         set.
10237         (fold_marked_statements): New function.
10238         (optimize_inline_calls, tree_function_versioning): Fold new statements.
10239         * tree-inline.h (copy_body_data): Add statements_to_fold.
10240
10241 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
10242
10243         * config.gcc: Mention libgcc/config.host.
10244         * Makefile.in: Update comments mentioning libgcc.
10245         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
10246         (all.cross, start.encap, rest.encap, rest.cross): Update
10247         dependencies for libgcc move.
10248         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
10249         (clean-target, clean-target-libgcc): Delete.
10250         (srcdirify, GCC_EXTRA_PARTS): New macros.
10251         (libgcc-support, libgcc.mvars): New rules.
10252         (distclean): Remove mention of mklibgcc.
10253         (install): Don't reference INSTALL_LIBGCC.
10254         (install-common): Don't reference EXTRA_PARTS.
10255         (install-libgcc, install-multilib): Delete rules.
10256         * mklibgcc.in: Delete file.
10257         * doc/configfiles.texi: Don't mention mklibgcc.
10258
10259         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
10260         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
10261         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
10262         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
10263         (mklibgcc, ldblspecs): Likewise.
10264
10265         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
10266         (posixpre.def): Use $(T).
10267         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
10268         (SHLIB_SRC, SHLIB_INSTALL): Delete.
10269         (SHLIB_LINK): Make dummy.
10270         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
10271
10272         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
10273
10274         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
10275         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
10276         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
10277         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
10278
10279         * configure.ac (all_outputs): Remove mklibgcc.
10280         * configure: Regenerated.
10281
10282 2007-01-03  Josh Conner  <jconner@apple.com>
10283
10284         PR middle-end/29683
10285         * calls.c (compute_argument_addresses): Set stack and stack_slot
10286         for partial args, too.
10287         (store_one_arg): Use locate.size.constant for the size when
10288         generating a save_area.
10289
10290 2007-01-03  Robert Kennedy <jimbob@google.com>
10291
10292         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
10293         whose definitions are deleted due to basic block merging.
10294
10295 2007-01-03  Paul Brook  <paul@codesourcery.com>
10296
10297         PR target/16634
10298         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
10299         functions.
10300         (use_return_insn): Return 0 for Thumb interrupt functions.
10301         (print_multi_reg): Add rfe argument for IRQ returns.
10302         (arm_output_epilogue): Pop interrupt return address directly into PC.
10303         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
10304
10305 2007-01-03  Paul Brook  <paul@codesourcery.com>
10306
10307         Merge from sourcerygxx-4_1.
10308         * config/arm/thumb2.md: New file.
10309         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
10310         Thumb-2.
10311         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
10312         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
10313         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
10314         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
10315         tables.
10316         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
10317         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
10318         comptibility.
10319         * config/arm/ieee754-sf.S: Ditto.
10320         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
10321         (thumb1_base_register_rtx_p): ... to this.
10322         (thumb_index_register_rtx_p): Rename...
10323         (thumb1_index_register_rtx_p): ... to this.
10324         (thumb_output_function_prologue): Rename...
10325         (thumb1_output_function_prologue): ... to this.
10326         (thumb_legitimate_address_p): Rename...
10327         (thumb1_legitimate_address_p): ... to this.
10328         (thumb_rtx_costs): Rename...
10329         (thumb1_rtx_costs): ... to this.
10330         (thumb_compute_save_reg_mask): Rename...
10331         (thumb1_compute_save_reg_mask): ... to this.
10332         (thumb_final_prescan_insn): Rename...
10333         (thumb1_final_prescan_insn): ... to this.
10334         (thumb_expand_epilogue): Rename...
10335         (thumb1_expand_epilogue): ... to this.
10336         (arm_unwind_emit_stm): Rename...
10337         (arm_unwind_emit_sequence): ... to this.
10338         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
10339         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
10340         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
10341         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
10342         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
10343         thumb2_output_casesi): New functions.
10344         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
10345         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
10346         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
10347         THUMB2_WORK_REGS): Define.
10348         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
10349         arm_condexec_mask, arm_condexec_masklen)): New variables.
10350         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
10351         (arm_override_options): Check new CPU capabilities.
10352         Set new architecture flag variables.
10353         (arm_isr_value): Handle v7m interrupt functions.
10354         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
10355         Thumb-2.
10356         (const_ok_for_arm): Handle Thumb-2 constants.
10357         (arm_gen_constant): Ditto.  Use movw when available.
10358         (arm_function_ok_for_sibcall): Return false for v7m interrupt
10359         functions.
10360         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
10361         (thumb_find_work_register, arm_load_pic_register,
10362         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
10363         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
10364         print_multi_reg, output_mov_long_double_fpa_from_arm,
10365         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
10366         output_mov_double_fpa_from_arm, output_move_double,
10367         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
10368         output_return_instruction, arm_output_function_prologue,
10369         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
10370         arm_output_mi_thunk, thumb_set_return_address): Ditto.
10371         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
10372         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
10373         (arithmetic_instr, shift_op): Use arm_shift_nmem.
10374         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
10375         '!' and 'L'.
10376         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
10377         (thumb_expand_prologue): Use thumb_set_frame_pointer.
10378         (arm_file_start): Output directive for unified syntax.
10379         (arm_unwind_emit_set): Handle stack alignment instruction.
10380         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
10381         Add v6t2, v7, v7a, v7r and v7m.
10382         (RETLDM): Add Thumb-2 code.
10383         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
10384         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
10385         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
10386         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
10387         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
10388         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
10389         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
10390         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
10391         ADJUST_INSN_LENGTH): Define.
10392         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
10393         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
10394         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
10395         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
10396         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
10397         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
10398         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
10399         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
10400         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
10401         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
10402         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
10403         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
10404         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
10405         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
10406         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
10407         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
10408         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
10409         cortex-m3.
10410         * config/arm/arm-tune.md: Regenerate.
10411         * config/arm/arm-protos.h: Update prototypes.
10412         * config/arm/vfp.md: Enable patterns for Thumb-2.
10413         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
10414         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
10415         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
10416         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
10417         * config/arm/libunwind.S: Add Thumb-2 code.
10418         * config/arm/constraints.md: Update include Thumb-2.
10419         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
10420         * config/arm/ieee754-df.S: Ditto.
10421         * config/arm/bpabi.S: Ditto.
10422         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
10423         * config/arm/predicates.md (low_register_operand,
10424         low_reg_or_int_operand, thumb_16bit_operator): New.
10425         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
10426         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
10427         * config/arm/t-arm-elf: Add armv7 multilib.
10428         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
10429         Include thumb2.md.
10430         (UNSPEC_STACK_ALIGN, ce_count): New.
10431         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
10432         arm_zero_extendsidi2, arm_zero_extendqidi2): New
10433         insns/expanders.
10434         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
10435         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
10436         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
10437         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
10438         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
10439         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
10440         insns.
10441         * doc/extend.texi: Document ARMv7-M interrupt functions.
10442         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
10443
10444 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
10445
10446         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
10447         (struct _Unwind_Context): Rename args_size to flags, remove
10448         signal_frame field, add a new args_size field and version field.
10449         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
10450         _Unwind_IsExtendedContext): New inline functions.
10451         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10452         Assume by_value array is only present if _Unwind_IsExtendedContext.
10453         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
10454         _Unwind_IsSignalFrame.
10455         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
10456         (uw_update_context_1): Use _Unwind_SetSignalFrame.
10457         (uw_init_context_1): Initialize context->flags to
10458         EXTENDED_CONTEXT_BIT.
10459         * config/rs6000/linux-unwind.h (frob_update_context): Use
10460         _Unwind_SetSignalFrame.
10461
10462 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10463
10464         PR middle-end/30353
10465         * gimplify.c (gimplify_modify_expr_complex_part): Move below
10466         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
10467         the value.
10468
10469 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
10470
10471         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
10472         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
10473         RET, AT_SP): Remove.
10474         * config/i386/i386.md (*sse_prologue_save_insn): Use return
10475         instead of RET.
10476
10477         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10478         * cfgbuild.c (find_basic_blocks): Likewise.
10479         * cfgrtl.c (rtl_create_basic_block): Likewise.
10480         * function.c (temp_slots_at_level): Likewise.
10481         * reg-stack.c (stack_regs_mentioned): Likewise.
10482         * regclass.c (allocate_reg_info): Likewise.
10483         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10484         set_bb_for_stmt, move_block_to_fn): Likewise.
10485         * tree-complex.c (tree_lower_complex): Likewise.
10486         * vec.h (VEC_safe_grow_cleared): New.
10487
10488         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
10489
10490 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
10491
10492         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
10493         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
10494         to loop_version.
10495         * cfgloopmanip.c (scale_loop_frequencies): Export.
10496         (loopify): Scale the frequencies by prescribed coefficients.
10497         (set_zero_probability): New function.
10498         (duplicate_loop_to_header_edge): Improve updating of frequencies.
10499         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
10500         and frequencies according to arguments.
10501         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
10502         correctly.
10503         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
10504         * modulo-sched.c (sms_schedule): Set probabilities for entering
10505         versioned loop correctly.
10506         * tree-vect-transform.c (vect_transform_loop): Ditto.
10507         * cfgloop.h (loopify, loop_version): Declaration changed.
10508         (scale_loop_frequencies): Declared.
10509
10510 2007-01-02  Jan Hubicka  <jh@suse.cz>
10511
10512         * cgraph.c: Include tree-flow.h
10513         (cgraph_add_new-function): Handle IPA_SSA mode; execute
10514         early_local_passes.
10515         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
10516         * tree-pass.h (pass_all_early_optimizations): Declare.
10517         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
10518         early_local_passes.
10519         (cgraph_analyze_function): Do early_local_passes.
10520         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
10521         Do not add referenced vars.
10522         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
10523         SSA form.
10524         (gate_all_early_local_passes): New gate.
10525         (pass_early_local_passes): Use new gate.
10526         (execute_early_local_optimizations): New functions.
10527         (gate_all_early_optimizations): New gate.
10528         (pass_all_early_optimizations): New pass.
10529         (execute_free_datastructures): Free SSA only when initialized.
10530         (gate_init_datastructures): Init only when optimizing.
10531         (tree_lowering_passes): Do early local passes when called late.
10532         * tree-profile.c (do_tree_profiling): Don't profile functions added
10533         late.
10534         (do_early_tree_profiling, pass_early_tree_profile): Kill.
10535         * tree-cfg.c (update_modified_stmts): Do not update when operands are
10536         not active.
10537         * passes.c (init_optimizations_passes): Reorder so we go into SSA
10538         during early_local_passes.
10539         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
10540
10541
10542 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
10543
10544         * Makefile.in: Update copyright year.
10545
10546 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
10547
10548         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
10549         in $(lang_checks) and check-consistency targets.
10550
10551 2007-01-02  Jan Hubicka  <jh@suse.cz>
10552
10553         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
10554         Do not add referenced vars.
10555         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
10556         are not active.
10557         * passes.c (init_optimization_passes): Put mudflap_2 after
10558         free_datastructures.
10559
10560 2007-01-02  Jan Hubicka  <jh@suse.cz>
10561
10562         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
10563         Set NOTHROW flag on call statements proved to be nothrow.
10564         Update statement of local calls so new pure/const functions are
10565         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
10566         goto receivers.
10567         (tree_rest_of_compilation): Register hooks and initialize bitmap
10568         early. Do not set after_inlining flag.
10569
10570 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
10571
10572         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
10573         HOST_BITS_PER_LONGLONG
10574
10575 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10576
10577         PR c/19977
10578         * c-typeck.c (store_init_value): Don't emit pedantic overflow
10579         warning for non-static initializers.
10580
10581 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
10582
10583         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
10584         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
10585         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
10586         Always use set_unique_reg_note to add REG_EQUAL notes.
10587
10588 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10589
10590         Revert:
10591         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10592
10593         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10594         * cfgbuild.c (find_basic_blocks): Likewise.
10595         * cfgrtl.c (rtl_create_basic_block): Likewise.
10596         * function.c (temp_slots_at_level): Likewise.
10597         * reg-stack.c (stack_regs_mentioned): Likewise.
10598         * regclass.c (allocate_reg_info): Likewise.
10599         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10600         set_bb_for_stmt, move_block_to_fn): Likewise.
10601         * tree-complex.c (tree_lower_complex): Likewise.
10602         * vec.h (VEC_safe_grow_cleared): New.
10603
10604 2007-01-02  Ian Lance Taylor  <iant@google.com>
10605
10606         * c-common.c (c_common_truthvalue_conversion): When warning about
10607         using an assignment as a truth value, set TREE_NO_WARNING.
10608
10609 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10610
10611         PR middle-end/7651
10612         * c.opt (Wold-style-declaration): New.
10613         * doc/invoke.texi (C-only Warning Options): New.
10614         (Wold-style-declaration): Document it.
10615         (Wextra): Enabled by -Wextra.
10616         * c-opts.c (c_common_post_options): Enabled by -Wextra.
10617         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
10618         -Wold-style-declaration.
10619
10620 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10621
10622         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10623         * cfgbuild.c (find_basic_blocks): Likewise.
10624         * cfgrtl.c (rtl_create_basic_block): Likewise.
10625         * function.c (temp_slots_at_level): Likewise.
10626         * reg-stack.c (stack_regs_mentioned): Likewise.
10627         * regclass.c (allocate_reg_info): Likewise.
10628         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10629         set_bb_for_stmt, move_block_to_fn): Likewise.
10630         * tree-complex.c (tree_lower_complex): Likewise.
10631         * vec.h (VEC_safe_grow_cleared): New.
10632
10633 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
10634
10635         * c-common.c (c_common_nodes_and_builtins): Since variants of
10636         void_type_node get built before it is given a name, we need to
10637         give those variants the name, too.
10638         (complete_array_type): We need to work with the canonical main
10639         type of the array, from which we will build the qualified version.
10640         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
10641         * print-tree.c (print_node): Display canonical type information
10642         for each type.
10643         * stor-layout.c (layout_type): When we don't know the
10644         alignment of a type for which we're building an array, we end up
10645         guessing wrong, so make the type require structural equality.
10646         * tree.c (make_node_stat): When we build a new type, it is its
10647         own canonical type.
10648         (build_type_attribute_qual_variant): When building an attribute
10649         variant, its canonical type is the non-attribute variant. However,
10650         if the attributes are target-dependent and they differ, we need to
10651         use structural equality checks for this type.
10652         (build_qualified_type): A qualified type is not equivalent to its
10653         unqualified variant; set the canonical type appropriately.
10654         (build_distinct_type_copy): When building a distinct type from
10655         another type, the new type is its own canonical type.
10656         (build_variant_type_copy): When building a new type variant, we
10657         assume that it is equivalent to the original type.
10658         (build_pointer_type_for_mode): When building a pointer type, also
10659         build a canonical type pointer.
10660         (build_reference_type_for_mode): When building a reference type,
10661         also build a canonical type reference.
10662         (build_index_type): When we can't hash an index type (e.g.,
10663         because its maximum value is negative), the index type requires
10664         structural equality tests.
10665         (build_array_type): Build the canonical form of an array type.
10666         (build_function_type): Function types require structural equality,
10667         because they contain default arguments, attributes, etc.
10668         (build_method_type_directly): Ditto for method types.
10669         (build_offset_type): Build the canonical offset type.
10670         (build_complex_type): Build the canonical vector type.
10671         (make_vector_type): Build the canonical vector type.
10672         * tree.h (TYPE_CANONICAL): New.
10673         (TYPE_STRUCTURAL_EQUALITY_P): New.
10674         (SET_TYPE_STRUCTURAL_EQUALITY): New.
10675         (struct tree_type): Added "canonical" field.
10676         * params.h (VERIFY_CANONICAL_TYPES): New.
10677         * doc/c-tree.texi (TYPE_CANONICAL): Document.
10678         (TYPE_STRUCTURAL_EQUALITY_P): Document.
10679         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
10680         * doc/invoke.texi (verify-canonical-types): Document --param
10681         parameter for verifying canonical types.
10682
10683 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10684
10685         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
10686         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
10687         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
10688         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
10689         tm_file.
10690         * config/rs6000/e500.h: New.
10691         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
10692         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
10693         Remove.
10694         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
10695         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
10696         TARGET_E500_DOUBLE): Remove.
10697         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
10698         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
10699         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
10700         * config/rs6000/rs6000.c (rs6000_override_options): Use
10701         CHECK_E500_OPTIONS.
10702
10703 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10704
10705         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
10706         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
10707         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
10708         rs6000_emit_cmove): Don't check TARGET_E500.
10709         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
10710         sordered): Don't check TARGET_E500.
10711
10712 2007-01-01  Eric Christopher  <echristo@apple.com>
10713
10714         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
10715         HARD_REGISTER_NUM_P.
10716
10717 2007-01-01  Roger Sayle  <roger@eyesopen.com>
10718
10719         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
10720         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
10721         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
10722         eq/ne Y".
10723
10724 2007-01-01  Mike Stump  <mrs@apple.com>
10725
10726         * configure.ac: Remove support for building with Apple's gcc-3.1.
10727
10728 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10729
10730         PR middle-end/30311
10731         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
10732         REG is a hard register.  Do not modify REG before calling
10733         subreg_nregs.
10734         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
10735         multiple of the size of YMODE for certain lowpart cases.
10736
10737 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10738
10739         PR middle-end/30253
10740         * gimplify (voidify_wrapper_expr): Update for
10741         GIMPLE_MODIFY_STMT.
10742
10743 2007-01-01  Andreas Schwab  <schwab@suse.de>
10744
10745         PR target/29166
10746         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
10747         save of BR0 in extra_spill_size instead of spill_size.
10748         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
10749         area.
10750         (ia64_expand_epilogue): Restore BR0 from its new location.
10751
10752 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10753
10754         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
10755         Use a temporary variable if the left hand side is not a gimple
10756         register.
10757
10758 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10759
10760         * gimplify.c (gimplify_return_expr): Make the temporary variable
10761         for the return expression, a gimple register variable.
10762
10763 2007-01-01  Jan Hubicka  <jh@suse.cz>
10764
10765         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
10766         INSN_LIST.
10767
10768 2007-01-01  Mike Stump  <mrs@apple.com>
10769
10770         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
10771         .literal16.
10772         * config/darwin.c (machopic_select_rtx_section): Use
10773         HAVE_GAS_LITERAL16.
10774         (darwin_mergeable_constant_section): Likewise.
10775         * configure: Regenerate.
10776         * config.in: Regenerate.
10777
10778 2007-01-01  Jan Hubicka  <jh@suse.cz>
10779             Andrew Pinski  <pinskia@gmail.com>
10780
10781         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
10782         before starting IPA passes.