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* config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
2
3         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
4
5 2007-04-13  Mike Stump  <mrs@apple.com>
6
7         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
8         we can...
9         * config/darwin.opt (fapple-kext): Make C++ only.
10         * config/darwin.c (darwin_override_options): Remove code to ensure
11         -fapple-kext is given for C++ only.
12
13 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
14
15         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
16         * config/mips/mips.c (override_options): Call
17         SUBTARGET_OVERRIDE_OPTIONS, if defined.
18
19 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
20
21         * config/i386/i386.opt (msvr3-shlib): Removed.
22
23         * doc/invoke.texi: Remove -msvr3-shlib.
24
25 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
26
27         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
28         with "popcnt" instruction.
29
30 2007-04-13  Richard Guenther  <rguenther@suse.de>
31
32         PR tree-optimization/21258
33         * tree-vrp.c (compare_case_labels): New helper.
34         (find_switch_asserts): New function.
35         (find_assert_locations): Call it for SWITCH_EXPRs.
36
37 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
38
39         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
40         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
41         check is now implied in X87_FLOAT_MODE_P.
42         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
43         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
44         (fix_trunc<mode>_i386_fisttp): Ditto.
45         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
46         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
47         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
48         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
49         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
50         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
51         (unnamed_splitters): Ditto.
52         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
53         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
54         FIRST_SSE_REG for local functions when SSE math is enabled or
55         for functions with sseregparm attribute.
56         (standard_80387_constant_p): Return -1 if mode is not
57         X87_FLOAT_MODE_P.
58         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
59         (ix86_expand_compare): Ditto.
60         (ix86_expand_carry_flag_compare): Ditto.
61         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
62         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
63         DECIMAL_FLOAT_MODE_P.
64         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
65         of SCALAR_FLOAT_MODE_P.
66         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
67         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
68         checks before FLOAT_MODE_P.
69         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
70         before FLOAT_MODE_P.
71         [DIV]: Ditto.
72         [NEG]: Ditto.
73         [ABS]: Ditto.
74         [SQRT]: Ditto.
75         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
76
77 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
78             Charles Wilson  <libtool@cwilson.fastmail.fm>
79
80         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
81         (libgcc.mvars): Don't depend on them.
82         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
83         * exec-tool.in: New.
84
85 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
86
87         * doc/invoke.text (--help): Document --help=common.
88
89 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
90
91         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
92
93 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
94
95         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
96         * genemit.c (main): Emit #include "integrate.h".
97         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
98         (LOADGP_RTP): New mips_loadgp_style.
99         * config/mips/mips.h: Include config/vxworks-dummy.h.
100         (TARGET_RTP_PIC): New macro.
101         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
102         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
103         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
104         for TARGET_RTP_PIC.
105         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
106         -mvxworks-pic when using -mrtp and a PIC option.
107         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
108         for RTP PIC.
109         (mips_symbolic_constant_p, mips_symbolic_address_p)
110         (mips_symbol_insns): Handle SYMBOL_HALF.
111         (override_options): Warn about -G and -mrtp being used together.
112         Initialize mips_lo_relocs[SYMBOL_HALF].
113         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
114         (mips_emit_loadgp): Handle LOADGP_RTP.
115         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
116         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
117         (tablejump): Handle function-relative case table entries if
118         TARGET_RTP_PIC.
119         * config/mips/predicates.md (symbol_ref_operand): New predicate.
120
121 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
122
123         * config/mips/mips.md (load_call<mode>): Allow any general register.
124         destination.
125         (sibcall_value_internal, sibcall_value_multiple_internal)
126         (call_value_internal, call_value_split, call_value_multiple_internal)
127         (call_value_multiple_split): Remove constraints from operand 0.
128
129 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
130
131         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
132         rather than loadgp_noshared.
133         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
134         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
135         gen_loadgp.
136         * config/mips/mips.md (loadgp): Rename to...
137         (loadgp_newabi): ...this.
138         (loadgp_noshared): Rename to...
139         (loadgp_absolute): ...this.
140
141 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
142
143         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
144         false for locally-binding symbols.
145         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
146
147 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
148
149         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
150         (SYMBOL_GOT_PAGE_OFST): ...this.
151         (SYMBOL_GOT_GLOBAL): Rename to...
152         (SYMBOL_GOT_DISP): ...this.
153         (SYMBOL_GOTOFF_GLOBAL): Rename to...
154         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
155         * config/mips/mips.c (mips_global_symbol_p): New function.
156         (mips_symbol_binds_local_p): Likewise.
157         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
158         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
159         and mips_symbol_binds_local_p.
160         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
161         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
162         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
163         SYMBOL_GOTOFF_DISP.
164         (mips_ok_for_lazy_binding_p): New function.
165         (mips_load_call_address, mips_expand_call): Use it.
166         (mips_dangerous_for_la25_p): Likewise.
167         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
168         (*got_disp<mode>): Use got_disp_operand instead of
169         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
170         SYMBOL_GOTOFF_GLOBAL.
171         (*got_page<mode>): Use got_page_ofst_operand instead of
172         local_got_operand.
173         * config/mips/predicates.md (const_call_insn_operand): Use
174         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
175         (global_got_operand): Rename to...
176         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
177         SYMBOL_GOT_GLOBAL.
178         (local_got_operand): Rename to...
179         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
180         of SYMBOL_GOT_LOCAL.
181
182 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
183
184         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
185         TARGET_CALL_CLOBBERED_GP.
186         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
187         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
188         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
189         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
190         of TARGET_ABICALLS && !TARGET_NEWABI.
191         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
192         * config/mips/mips.c (mips_load_call_address): Check
193         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
194         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
195         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
196         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
197         TARGET_ABICALLS && TARGET_NEWABI.
198         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
199         TARGET_ABICALLS.
200         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
201         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
202         TARGET_ABICALLS && TARGET_NEWABI.
203         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
204         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
205         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
206         whether indirect calls must use $25.
207         (mips_extra_live_on_entry): Check TARGET_GOT instead of
208         TARGET_ABICALLS.
209         * config/mips/mips.md (jal_macro): Check flag_pic and
210         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
211         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
212         instead of TARGET_ABICALLS.
213         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
214         TARGET_ABICALLS && TARGET_OLDABI.
215         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
216         (sibcall): In the comment above the define_insn, mention
217         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
218         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
219         instead of TARGET_ABICALLS.
220
221 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
222
223         * doc/md.texi (Blackfin family constraints): Document PA and PB.
224         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
225         (MACFLAGS_MATCH_P): New macro.
226         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
227         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
228         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
229         the other MACFLAG constants.
230         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
231         (flag_machi): Tighten constraints.  Renumber some of the operands.
232         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
233         output template.
234         (flag_machi_parts_acconly): New pattern.
235         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
236         used.
237         (flag_macinit1hi): Tighten constraints.
238         (flag_mul_macv2hi_parts_acconly): New pattern.
239
240         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
241         Use a more efficient implementation.
242         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
243         inline sequences when not optimizing for size.
244
245         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
246         movhi_high2low): Delete, merge functionality into...
247         (packv2hi): ... this pattern.
248
249         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
250         * config/bfin/bfin.opt (msim): New option.
251         (mcpu=): New option.
252         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
253         (bfin_cpu_t): Typedef of enum bfin_cpu.
254         (bfin_cpu_type): New declaration.
255         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
256         -msim and -mcpu= options.
257         (LIB_SPEC): Likewise.
258         * config/bfin/bfin.c (bfin_cpu_type): Define.
259         (bfin_handle_option): Handle -mcpu= option.
260         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
261         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
262         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
263
264 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
265
266         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
267         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
268         (powerpc-wrs-vxworksae): Use ${tm_file}.
269         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
270         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
271         * config/i386/vx-common.h: New file.
272
273 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
274
275         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
276         of crt0.o%s.
277
278 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
279
280         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
281         ldxtr.
282
283 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
284
285         PR c++/31078
286         PR c++/31103
287         * c-common.c (c_build_qualified_type): Set canonical type
288         appropriately.  
289
290 2007-04-12  Richard Guenther  <rguenther@suse.de>
291
292         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
293         lower bound and element size if lower bound is not zero
294         or either of the ARRAY_REF operands is set.
295
296 2007-04-12  Richard Guenther  <rguenther@suse.de>
297
298         PR tree-optimization/24689
299         PR tree-optimization/31307
300         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
301         indices by value.
302         * gimplify.c (canonicalize_addr_expr): To be consistent with
303         gimplify_compound_lval only set operands two and three of
304         ARRAY_REFs if they are not gimple_min_invariant.  This makes
305         it never at this place.
306         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
307
308 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
309
310         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
311         null before emitting a .nsubspa directive.
312
313 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
314
315         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
316         need_to_partition_p if there are no memory statements in the
317         function.
318
319 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
320
321         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
322         (gcd_of_steps_may_divide_p): New function.
323         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
324
325 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
326
327         * reload.c (find_reloads_toplev, find_reloads_address,
328         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
329         not a pointer equality test, to decide if we need to call
330         push_reg_equiv_alt_mem.
331
332 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
333
334         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
335         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
336         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
337
338 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
339
340         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
341         vector to be positive.
342
343 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
344
345         PR 30735
346         PR 31090
347         * doc/invoke.texi: Document --params max-aliased-vops and
348         avg-aliased-vops.
349         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
350         debug_memory_partitions): Move to tree-flow.h
351         * params.h (AVG_ALIASED_VOPS): Define.
352         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
353         users.
354         (mp_info_t): Likewise.
355         (get_mem_sym_stats_for): New.
356         (set_memory_partition): Move from tree-flow-inline.h.
357         (mark_non_addressable): Only clear the set of symbols for the
358         partition if it exists.
359         (dump_memory_partitions): Move from tree-ssa-operands.c
360         (debug_memory_partitions): Likewise.
361         (need_to_partition_p): New.
362         (dump_mem_ref_stats): New.
363         (debug_mem_ref_stats): New.
364         (dump_mem_sym_stats): New.
365         (debug_mem_sym_stats): New.
366         (update_mem_sym_stats_from_stmt): New.
367         (compare_mp_info_entries): New.
368         (mp_info_cmp): Call it.
369         (sort_mp_info): Change argument to a list of mem_sym_stats_t
370         objects.
371         (get_mpt_for): Move from tree-ssa-operands.c.
372         (find_partition_for): New.
373         (create_partition_for): Remove.
374         (estimate_vop_reduction): New.
375         (update_reference_counts): New.
376         (build_mp_info): New.
377         (compute_memory_partitions): Refactor.
378         Document new heuristic.
379         Call build_mp_info, update_reference_counts,
380         find_partition_for and estimate_vop_reduction.
381         (compute_may_aliases): Populate virtual operands before
382         calling debugging dumps.
383         (delete_mem_sym_stats): New.
384         (delete_mem_ref_stats): New.
385         (init_mem_ref_stats): New.
386         (init_alias_info): Call it.
387         (maybe_create_global_var): Remove alias_info argument.
388         Get number of call sites and number of pure/const call sites
389         from gimple_mem_ref_stats().
390         (dump_alias_info): Call dump_memory_partitions first.
391         (dump_points_to_info_for): Show how many times a pointer has
392         been dereferenced.
393         * opts.c (decode_options): For -O2 set --param
394         max-aliased-vops to 500.
395         For -O3 set --param max-aliased-vops to 1000 and --param
396         avg-aliased-vops to 3.
397         * fortran/options.c (gfc_init_options): Remove assignment to
398         MAX_ALIASED_VOPS.
399         * tree-flow-inline.h (gimple_mem_ref_stats): New.
400         * tree-dfa.c (dump_variable): Dump memory reference
401         statistics.
402         Dump NO_ALIAS* settings.
403         (referenced_var_lookup): Tidy.
404         (mem_sym_stats): New.
405         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
406         and ORIG are different SSA names for a memory partition.
407         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
408         * tree-flow.h (struct mem_sym_stats_d): Define.
409         (mem_sym_stats_t): Define.
410         (struct mem_ref_stats_d): Define.
411         (struct gimple_df): Add field mem_ref_stats.
412         (enum noalias_state): Define.
413         (struct var_ann_d): Add bitfield noalias_state.
414         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
415         debug_mem_ref_stats, debug_memory_partitions,
416         debug_mem_sym_stats): Declare.
417         * tree-ssa-structalias.c (update_alias_info): Update call
418         sites, pure/const call sites and asm sites in structure
419         returned by gimple_mem_ref_stats.
420         Remove local variable IS_POTENTIAL_DEREF.
421         Increase NUM_DEREFS if the memory expression is a potential
422         dereference.
423         Call update_mem_sym_stats_from_stmt.
424         If the memory references memory, call
425         update_mem_sym_stats_from_stmt for all the direct memory
426         symbol references found.
427         (intra_create_variable_infos): Set noalias_state field for
428         pointer arguments according to the value of
429         flag_argument_noalias.
430         * tree-ssa-structalias.h (struct alias_info): Remove fields
431         num_calls_found and num_pure_const_calls_found.
432         (update_mem_sym_stats_from_stmt): Declare.
433         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
434         Set default value to 100.
435         (PARAM_AVG_ALIASED_VOPS): Define.
436
437 2007-04-11  Richard Guenther  <rguenther@suse.de>
438
439         PR middle-end/31530
440         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
441         a * -b + c as c - a * b if we honor sign dependent rounding.
442
443 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
444
445         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
446         bfin_expand_strmov.
447         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
448         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
449         variables.
450         (initialize_trampoline): Don't use old-style function definition.
451         (bfin_secondary_reload): Mark IN_P argument as unused.
452
453 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
454
455         PR tree-optimization/31343
456         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
457         (build_polynomial_chrec): Return a scalar when the evolution is zero.
458         * testsuite/gcc.dg/vect/pr31343.c: New.
459
460 2007-04-10  Eric Christopher  <echristo@apple.com>
461
462         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
463         * config/i386/i386.md (*cmpfp0): Use.
464         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
465         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
466         (fix_trunc<mode>_i386_fisttp): Ditto.
467         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
468         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
469         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
470         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
471         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
472         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
473         (unnamed_splitters): Ditto.
474         * config/i386/i386.c (output_fix_trunc): Assert that
475         we're not being passed a TFmode operand.
476
477 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
478
479         PR tree-optimization/31526
480         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
481         n_basic_blocks to find newly added blocks.
482
483 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
484
485         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
486         alternative.
487         (fix_trunc<mode>si_sse): Ditto.
488         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
489         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
490         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
491         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
492         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
493         expander using SSEMODEF mode macro.
494         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
495         expander using SSEMODEF mode macro.
496         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
497         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
498         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
499         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
500         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
501         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
502         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
503         Macroize insn using X87MODEF mode macro.
504
505 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
506
507         * config/i386/sse.md (sse2_pinsrw): Removed.
508         (sse2_pextrw): Renamed to ...
509         (*sse2_pextrw): This.
510
511 2007-04-09  Jan Hubicka  <jh@suse.cz>
512
513         PR target/27869
514         * config/i386/sse.md
515         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
516         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
517         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
518         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
519
520 2007-04-09  Jan Hubicka  <jh@suse.cz>
521
522         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
523         multiple fields of union.
524
525 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
526
527         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
528         (create_preheaders): Check that loops are available.
529         (fix_loop_structure): Clean up, improve comments.
530         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
531         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
532         state flags.
533         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
534         * predict.c (tree_estimate_probability): Do not call
535         calculate_dominance_info.  Call create_preheaders.
536         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
537         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
538         flags.
539         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
540         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
541         * tree-cfg.c (tree_split_edge): Make an assert more precise.
542         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
543         arguments.
544
545 2007-04-08  Jan Hubicka  <jh@suse.cz>
546
547         * tree.h (maybe_fold_offset_to_component_ref): Declare.
548         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
549         * fold-const.c (fold_unary): Use it.
550
551 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
552
553         * varasm.c (assemble_variable): Remove call to
554         lang_hooks.decls.prepare_assemble_variable.
555         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
556         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
557         * langhooks.h (lang_hooks_for_decls): Remove
558         prepare_assemble_variable.
559
560 2007-04-08  Mike Stump  <mrs@apple.com>
561
562         * config/i386/i386.c: Use inc/dec on Core2.
563
564 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
565
566         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
567         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
568         lhd_tree_inlining_end_inlining): Remove.
569         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
570         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
571         end_inlining hooks.
572         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
573         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
574         lhd_tree_inlining_end_inlining): Remove prototypes.
575         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
576         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
577         LANG_HOOKS_TREE_INLINING_START_INLINING,
578         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
579
580         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
581         not set it.
582
583 2007-04-08  Anatoly Sokolov <aesok@post.ru>
584
585         PR target/29932
586         * config/avr/predicates.md (io_address_operand): Delete predicate.
587         (low_io_address_operand): Don't use 'mode' argument.
588         (higth_io_address_operand): Rename ...
589         (high_io_address_operand): ... to this. Don't use 'mode' argument.
590         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
591         for above change.
592
593 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
594
595         Revert change removing staticp.
596
597 2007-04-07  Anatoly Sokolov <aesok@post.ru>
598
599         PR target/30289
600         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
601         earlyclobber.
602
603 2007-04-07  Bruce Korb  <bkorb@gnu.org>
604
605         * c.opt: Add -Wformat-contains-nul.
606         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
607           -Wformat setting.
608         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
609         the NUL byte warning.
610
611 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
612
613         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
614
615 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
616
617         * tree.c (staticp): No longer use staticp langhook.
618         * langhooks.c (lhd_staticp): Removed.
619         * langhooks.h (struct lang_hooks): Remove staticp.
620         * c-common.c (c_staticp): Remove.
621         * c-common.h (c_staticp): Ditto.
622         * langhooks-defs.h (lhd_staticp): Ditto.
623         (LHD_HOOKS_STATICP): Ditto
624         * tree.h (gcc_assert_lowered): New macro.
625
626 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
627
628         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
629         argument "reliable".
630         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
631         Add argument "reliable".  Propagate it through calls.
632         (infer_loop_bounds_from_undefined):  Derive number of iterations
633         estimates from references in blocks that do not dominate loop latch.
634         (gcov_type_to_double_int): New function.
635         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
636         and expected_loop_iterations_unbounded.
637         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
638         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
639         * tree-data-ref.c (estimated_loop_iterations): Export.
640         (get_references_in_stmt): Fix -- do not return addresses of local
641         objects.
642         * cfgloop.h (expected_loop_iterations_unbounded,
643         estimated_loop_iterations): Declare.
644
645 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
646
647         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
648
649 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
650
651         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
652         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
653         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
654         Use output_387_reg_move().
655         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
656         expander using X87MODEF12 mode macro.
657         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
658         choosing register preferences.  Use output_387_reg_move().
659         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
660         instead of "x".  Use output_387_reg_move().
661         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
662         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
663         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
664         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
665         Use output_387_reg_move().
666         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
667         mode macro.
668         (*truncxf?f_i387 splitter): Ditto.
669
670 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
671
672         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
673         LANG_HOOKS_SAFE_FROM_P.
674         * expr.c (safe_from_p): Remove langhook call.
675         * langhooks.h (lang_hooks): Remove safe_from_p.
676         (lhd_safe_from_p): Remove prototype.
677         * langhooks.c (lhd_safe_from_p): Remove.
678
679 2007-04-06  Jan Hubicka  <jh@suse.cz>
680
681         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
682         functions.
683
684 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
685
686         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
687         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
688         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
689         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
690         alternative.
691         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
692         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
693
694 2007-04-05  Richard Henderson  <rth@redhat.com>
695
696         * config/alpha/alpha.c (print_operand) [+]: Remove.
697         (alpha_end_function): Print nop if call at end of function.
698         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
699         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
700         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
701         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
702         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
703         the call pattern. Update peepholes to match.
704
705 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
706
707         * doc/extend.texi (Other Builtins): Add decimal float variants
708         of signbit.
709         * builtins.def: Ditto.
710         * builtins.c (expand_builtin): Ditto.
711
712 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
713             H.J. Lu  <hongjiu.lu@intel.com>
714
715         PR target/31478
716         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
717         of V8HImode when calling ix86_binary_operator_ok.
718         (sse2_pmaddwd): Call ix86_binary_operator_ok.
719         (sdot_prodv8hi): Operands 1 and 2 must be register.
720
721 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
722
723         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
724         initialize align to silence bogus warning.
725
726 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
727
728         PR middle-end/22156
729         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
730         all_no_warning.
731         (struct sra_walk_fns): Remove use_all parameter from use.
732         (sra_hash_tree): Handle BIT_FIELD_REFs.
733         (sra_elt_hash): Don't hash bitfld blocks.
734         (sra_elt_eq): Skip them in parent compares as well.  Handle
735         BIT_FIELD_REFs.
736         (sra_walk_expr): Don't maintain or pass down use_all_p.
737         (scan_use): Remove use_all parameter.
738         (scalarize_use): Likewise.  Re-expand assignment to
739         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
740         output, and re-scalarize after output.  Don't mark anything
741         for no warning.
742         (scalarize_ldst): Adjust.
743         (scalarize_walk_gimple_modify_statement): Likewise.
744         (build_element_name_1): Handle BIT_FIELD_REFs.
745         (instantiate_element): Don't warn for any element whose parent
746         is used as a whole.
747         (instantiate_missing_elements_1): Return the sra_elt.
748         (canon_type_for_field): New.
749         (try_instantiate_multiple_fields): New.
750         (instantiate_missing_elemnts): Use them.
751         (mark_no_warning): Removed.
752         (generate_one_element_ref): Handle BIT_FIELD_REFs.
753         (REPLDUP, sra_build_elt_assignment): New.
754         (generate_copy_inout): Use them.
755         (generate_element_copy): Likewise.  Handle bitfld differences.
756         (generate_element_zero): Don't recurse for blocks.  Use
757         sra_build_elt_assignment.
758         (generate_one_element_int): Take elt instead of var.  Use
759         sra_build_elt_assignment.
760         (generate_element_init_1): Adjust.
761         (scalarize_use, scalarize_copy): Use REPLDUP.
762         (scalarize_ldst): Move assert before dereference.
763         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
764
765 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
766
767         * regmove.c: Fix unused variable warnings due to previous commit.
768
769 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
770
771         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
772         (regmove_bb_head): Remove.
773         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
774         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
775         problems with fixup_match_1.
776         Don't initialize/free regmove_bb_head.
777
778         (reg_is_remote_constant_p): If an insn is in the same basic block
779         but not before INSN, consider it remote, too.
780
781 2007-04-05  Anatoly Sokolov <aesok@post.ru>
782
783         PR target/25448
784         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
785         DECL_ASSEMBLER_NAME, not the DECL_NAME.
786
787 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
788
789         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
790         (CONDITIONAL_REGISTER_USAGE): Likewise.
791
792 2007-04-04  Richard Henderson  <rth@redhat.com>
793
794         * config/alpha/lib1funcs.asm: Remove unused file.
795
796 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
797
798         PR other/31356
799         * opts.c (print_specific_help): Fix --help=<language>
800         header line.
801         (common_handle_option): Support --help=common.
802
803 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
804
805         PR other/31353
806         * gcc.c (main): Do not run the linker if
807         print_subprocess_help indicates that it shouldn't be
808         run.
809
810 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
811
812         PR doc/31355
813         * doc/invoke.texi (--help=): Document <languages> value, fix
814         formatting in tables of values.
815
816 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
817
818         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
819         dllimport attribute of virtual methods.
820
821 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
822
823         * config/score/crti.asm: Change _bss_start to __bss_start.
824         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
825         (OUTGOING_REG_PARM_STACK_SPACE) update.
826         * config/score/score.opt: add options to make backend support
827         score5, score5u, score7 and score7d.
828         * config/score/score.md: Likewise.
829         * config/score/misc.md: Likewise.
830         * config/score/mac.md: Likewise.
831         * doc/invoke.texi: Likewise.
832         * doc/md.texi: update constraints define.
833
834 2007-04-03  Richard Henderson  <rth@redhat.com>
835
836         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
837         an appropriate type, use the mode instead.
838
839 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
840
841         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
842         Set the default --with-arch setting to mips2.
843         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
844         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
845         (MULTILIB_OSDIRNAMES): Delete.
846         (MULTILIB_DIRNAMES): Define.
847         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
848         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
849         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
850         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
851         VXWORKS_OS_CPP_BUILTINS.
852         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
853         (MIPS_DEBUGGING_INFO): Undefine.
854         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
855
856 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
857
858         PR middle-end/30704
859         * fold-const.c (native_encode_real): Encode real.c provided longs
860         as a series of 32-bit native integers.
861         (native_interpret_real): Interpret buffer as a series of 32-bit
862         native integers.
863
864 2007-04-03  Richard Guenther  <rguenther@suse.de>
865
866         * genpreds.c (write_insn_constraint_len): Write function
867         optimized for CONSTRAINT_LEN implementation.
868         (write_tm_preds_h): Output insn_constraint_len inline and
869         use it for CONSTRAINT_LEN.
870         (write_insn_preds_c): Don't output insn_constraint_len.
871         * doc/md.texi (define_register_constraint): Document multi-letter
872         constraints shall have the same length if they start with the same
873         letter.
874
875 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
876
877         PR target/31175
878         * config/i386/i386.md (isinf<mode>2): Expand only when
879         TARGET_C99_FUNCTIONS is set.
880
881 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
882
883         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
884         (x86_64-*-linux*): Ditto.
885         * config/i386/i386.opt (mpc): New option.
886         * config/i386/i386.c (overrride_options): Handle
887         ix87_precision_string.
888         * config/i386/crtprec.c: New file.
889         * config/i386/t-crtpc: Ditto.
890         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
891         and -mpc80 options.
892         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
893         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
894         crtprec32.o, crtprec64.o and crtprec80.o.
895
896         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
897         and -mpc80 options.
898         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
899
900 2007-04-02  Eric Christopher  <echristo@apple.com>
901
902         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
903         limitations on darwin.
904
905 2007-04-02  Anatoly Sokolov <aesok@post.ru>
906
907         PR target/31137
908         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
909
910 2007-04-02  Dave Korn  <dave.korn@artimi.com>
911
912         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
913
914 2007-04-02  Dave Korn  <dave.korn@artimi.com>
915
916         * libgcc2.h (exception_descriptor): Don't forward-declare.
917         (__get_eh_table_language, __get_eh_table_version): Delete
918         prototypes of long-dead functions.
919
920 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
921
922         * ebitmap.h: New file
923         * ebitmap.c: New file
924         * Makefile.in (ebitmap.o): New target.
925
926 2007-04-01  Jan Hubicka  <jh@suse.cz>
927
928         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
929         before very first instruction.
930
931 2007-04-01  Jan Hubicka  <jh@suse.cz>
932
933         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
934         waring on 64bit hosts.
935         * bitmap.h: Fix typo in bitmap_head_def.
936
937 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
938
939         PR rtl-optimization/31391
940         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
941         into a DELETED_LABEL note, and the label is in an empty basic
942         block, update BB_END as well as BB_HEAD.
943
944 2007-04-01  Richard Henderson  <rth@redhat.com>
945
946         PR tree-optimization/31169
947         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
948         to varying if the range is outside [0,  prec-1].
949
950 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
951
952         PR target/31388
953         * config/mips/mips.md (load_const_gp): New insn.
954         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
955         the MIPS16 GP pseudo register if no_new_pseudos.
956         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
957
958 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
959
960         PR target/31364
961         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
962         secureplt.
963         (call_value): Likewise.
964
965 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
966             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
967
968         PR 14737
969         * doc/invoke.texi: (optimization options): Reword description
970         of -ffast-math. Document its primary purpose.
971
972 2007-03-31  Richard Guenther  <rguenther@suse.de>
973
974         * omp-low.c (splay-tree.h): Include.
975         (lookup_decl): Replace splay-tree usage by pointer-map.
976         (maybe_lookup_decl): Likewise.
977         (new_omp_context): Likewise.
978         (delete_omp_context): Likewise.
979         * gimplify.c (splay-tree.h): Include.
980         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
981         pointer-map.
982         (remap_ssa_name): Likewise.
983         (remap_decl): Likewise.
984         (remap_type_1): Likewise.
985         (remap_type): Likewise.
986         (copy_body_r): Likewise.
987         (expand_call_inline): Likewise.
988         (clone_body): Likewise.
989         (copy_tree_r): Likewise.
990         (remap_save_expr): Likewise.
991         (unsave_r): Likewise.
992         (unsave_expr_now): Likewise.
993         (tree_function_versioning): Likewise.
994         (build_duplicate_type): Likewise.
995         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
996         (struct copy_body_data): Replace splay-tree by pointer-map.
997         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
998         not $(SPLAY_TREE_H).
999         (gimplify.o): Depend on $(SPLAY_TREE_H).
1000         (omp-low.p): Likewise.
1001
1002 2007-03-31  Anatoly Sokolov <aesok@post.ru>
1003
1004         * config/avr/predicates.md (even_register_operand,
1005         odd_register_operand): New predicates.
1006         * config/avr/avr.md (movw peephole2): New.
1007         (movw_r peephole2): New.
1008
1009 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
1010
1011         * tree.h (get_signed_or_unsigned_type): New.
1012         * fold-const.c (operand_equal_for_comparison_p): Use
1013         get_signed_or_unsigned_type instead of
1014         lang_hooks.types.signed_or_unsigned_type.
1015         * expr.c (store_expr): Ditto.
1016         * langhooks.c (get_signed_or_unsigned_type): New.
1017         (lhd_signed_or_unsigned_type): New.
1018         * langhooks.h (lhd_signed_or_unsigned_type): New.
1019         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
1020
1021 2007-03-30  Richard Henderson  <rth@redhat.com>
1022
1023         * tree-ssa-loop-ivopts.c: Include target.h.
1024         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
1025         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
1026         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
1027         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
1028
1029 2007-03-30  Richard Henderson  <rth@redhat.com>
1030             Kai Tietz  <kai.tietz@onevision.com>
1031
1032         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
1033         default for 64-bit.
1034         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
1035         (TARGET_64BIT_MS_ABI): New.
1036         (DBX_REGISTER_NUMBER): Handle 64-bit.
1037         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
1038         (LONG_TYPE_SIZE): Force to 32.
1039         (REG_PARM_STACK_SPACE): New.
1040         (OUTGOING_REG_PARM_STACK_SPACE): New.
1041         (REGPARM_MAX, SSE_REGPARM_MAX): New.
1042         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
1043         (STACK_BOUNDARY): Use 128 for 64-bit.
1044         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
1045         Add 64-bit implementation.
1046         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
1047         argument unused.
1048         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
1049         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
1050         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
1051         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
1052         (ix86_handle_cconv_attribute): Don't warn when ignoring if
1053         TARGET_64BIT_MS_ABI.
1054         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
1055         (ix86_pass_by_reference): Likewise.
1056         (ix86_function_value_regno_p): Likewise.
1057         (ix86_build_builtin_va_list): Likewise.
1058         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1059         (function_arg_advance_ms_64): New.
1060         (function_arg_advance): Call it.
1061         (function_arg_ms_64): New.
1062         (function_arg): Call it.
1063         (function_value_ms_64): New.
1064         (ix86_function_value_1): Call it.
1065         (return_in_memory_ms_64): New.
1066         (ix86_return_in_memory): Call it.
1067         (setup_incoming_varargs_ms_64): New.
1068         (ix86_setup_incoming_varargs): Call it.
1069         (ix86_expand_prologue): Handle 64-bit stack probing.
1070         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
1071         (output_pic_addr_const): Likewise.
1072         (x86_this_parameter): Likewise.
1073         (x86_output_mi_thunk): Likewise.
1074         (x86_function_profiler): Likewise.
1075         (TARGET_STRICT_ARGUMENT_NAMING): New.
1076         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
1077         (TARGET_64BIT_MS_ABI): New.
1078         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
1079         * config/i386/i386.md (allocate_stack_worker): Remove.
1080         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
1081         describe the clobber of eax without a match_scratch.
1082         (allocate_stack_worker_postreload): Remove.
1083         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
1084         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
1085         (allocate_stack_worker_rex64_postreload): Remove.
1086         (allocate_stack): Handle 64-bit.
1087         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
1088         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
1089         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
1090         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
1091         (STANDARD_STARTFILE_PREFIX_1): Likewise.
1092         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
1093         * config.build (x86_64-*-mingw*): New host.
1094         * config.host (x86_64-*-mingw*): New host.
1095         * config.gcc (x86_64-*-mingw*): New target.
1096         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
1097
1098 2007-03-30  Richard Henderson  <rth@redhat.com>
1099             Kai Tietz  <kai.tietz@onevision.com>
1100
1101         * c-pragma.c (struct def_pragma_macro_value): New.
1102         (struct def_pragma_macro): New.
1103         (pushed_macro_table): New.
1104         (dpm_hash, dpm_eq): New.
1105         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
1106         (init_pragma): Install them.
1107         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
1108
1109 2007-03-30  Anatoly Sokolov <aesok@post.ru>
1110
1111         * config/avr/avr.c (avr_override_options): Clear
1112         'flag_delete_null_pointer_checks'.
1113
1114 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
1115
1116         PR c++/26099
1117         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
1118         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
1119         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
1120         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
1121         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
1122         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
1123         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
1124         C++ extensions.
1125         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
1126
1127 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
1128
1129         * regmove.c: Move all of pass_stack_adjustments from here...
1130         * combine-stack-adj.c: ...to this new file.
1131         * Makefile.in: Add rules for combine-stack-adj.o.
1132
1133 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
1134
1135         PR tree-optimization/31383
1136         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
1137         to have the same length.
1138
1139 2007-03-30  Jan Hubicka  <jh@suse.cz>
1140
1141         PR middle-end/30700
1142         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
1143         availablility; add more sanity checking; ask varpool only about
1144         VAR_DECL.
1145
1146 2007-03-29  Richard Henderson  <rth@redhat.com>
1147
1148         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
1149         to decide, but __SIZEOF_LONG_LONG__.
1150
1151 2007-03-29  Richard Henderson  <rth@redhat.com>
1152
1153         * emutls.c (struct __emutls_array): New.
1154         (emutls_destroy): Use it instead of casting element 0 from void*.
1155         (__emutls_get_address): Likewise.
1156
1157 2007-03-29  Richard Henderson  <rth@redhat.com>
1158
1159         * varasm.c (initializer_constant_valid_p): Don't deny
1160         DECL_DLLIMPORT_P on functions.
1161
1162         * config/i386/cygming.h: Remove function declarations.
1163         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
1164         (ASM_OUTPUT_LABELREF): Remove.
1165         (COMMON_ASM_OP): Remove.
1166         (ASM_OUTPUT_COMMON): Remove.
1167         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
1168         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
1169         (ASM_DECLARE_FUNCTION_NAME): Likewise.
1170         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
1171         Rename from TARGET_ENCODE_SECTION_INFO.
1172         * config/i386/netware.h: Likewise.
1173         * config/i386/i386-protos.h: Update.
1174         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
1175         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
1176         (legitimate_constant_p): Reject dllimports.
1177         (dllimport_map, get_dllimport_decl): New.
1178         (legitimize_dllimport_symbol): New.
1179         (legitimize_address, ix86_expand_move): Use it.
1180         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
1181         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
1182         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
1183         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
1184         * config/i386/predicates.md (constant_call_address_operand): Only
1185         accept symbols; reject dllimport_p symbols.
1186         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
1187         i386_pe_maybe_record_exported_symbol.
1188         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
1189         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
1190         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
1191         trust the setting of DECL_DLLIMPORT_P.
1192         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
1193         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
1194         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
1195         tidy the argument scanning loop.
1196         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
1197         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
1198         (i386_pe_strip_name_encoding): Remove.
1199         (i386_pe_binds_local_p): New.
1200         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
1201         (i386_pe_output_labelref): Remove.
1202         (i386_pe_asm_output_aligned_decl_common): New.
1203         (i386_pe_maybe_record_exported_symbol): Rename from
1204         i386_pe_record_exported_symbol; check for dllexported symbols.
1205
1206 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
1207
1208         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
1209         add comment explaining why vsnprintf cannot be used.
1210
1211 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
1212
1213         PR tree-optimization/30666
1214         * tree.c (build_complex_type): When creating type names for DWARF2
1215         debug info, create TYPE_DECLs for TYPE_NAME instead of
1216         IDENTIFIER_NODEs.
1217         (build_common_tree_nodes_2): Use build_complex_type when building
1218         predefined complex types, to preserve canonical types.
1219
1220 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
1221
1222         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
1223         (noce_get_alt_condition): Look at it to determine whether to
1224         reverse the condition or not.
1225         (noce_get_condition): Substitute the truth for lies.
1226         (noce_find_if_block): Set the then_else_reversed field.
1227
1228 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
1229
1230         * config/fr30/fr30.md (movdi): Do not accept immediates as the
1231         destination of this insn.
1232         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
1233         than calling gen_rtx_SET directly.  Use r0 to hold the value of
1234         'address + 4' rather than a stack based temporary which can be
1235         mis-optimized away.
1236
1237 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1238
1239         * config/s390/s390.c (s390_secondary_input_reload_class,
1240         s390_secondary_output_reload_class): Functions removed.
1241         (s390_secondary_reload): New function.
1242         (TARGET_SECONDARY_RELOAD): Target macro defined.
1243         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
1244         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
1245         * config/s390/s390.md ("reload_outti", "reload_outdi",
1246         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
1247         "reload_out<mode>"): Expanders removed.
1248         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
1249         "reload<mode>_nonoffmem_out"): Expanders added.
1250
1251 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1252
1253         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
1254         SRC->DEST replacement failed anyway.
1255
1256 2007-03-28  Mike Stump  <mrs@apple.com>
1257
1258         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
1259         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
1260         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
1261
1262 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1263
1264         * config.gcc: Accept barcelona as a variant of amdfam10.
1265         * config/i386/i386.c (override_options): Likewise.
1266         * doc/invoke.texi: Likewise.
1267
1268 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
1269
1270         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
1271         offsets for BIT_FIELD_REF and COMPONENT_REF.
1272
1273 2007-03-28  Richard Guenther  <rguenther@suse.de>
1274
1275         * tree.c (is_global_var): Move ...
1276         * tree-flow-inline.h (is_global_var): ... here.
1277         * tree.h (is_global_var): Remove declaration.
1278
1279 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
1280
1281         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
1282         option.
1283         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
1284         * config/i386/i386.c (ix86_tune_features): Initialize new
1285         tuning option.
1286         * config/i386/predicates.md (promotable_binary_operator): Use
1287         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
1288
1289 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1290
1291         PR target/31380
1292         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
1293
1294 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
1295
1296         * config/fr30/fr30.md (movsi_internal): Change destination
1297         constraint from m to V and add m to the end.
1298
1299 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1300
1301         * config/sh/sh.md (movsi_i): Fix type attribute.
1302
1303 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1304
1305         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
1306         (movsf_ie): Likewise.
1307
1308 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1309
1310         * config.gcc: Add sh4-300 to multilib.
1311         * config/sh/t-mlib-sh4-300: New file.
1312
1313 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1314
1315         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
1316         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
1317         fix_trunc<mode>di2.
1318         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
1319         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
1320         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
1321         "fixuns_trunctddi2"): Whitespace fix.
1322
1323 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
1324
1325         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
1326         the definition of struct sh_args.
1327         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
1328         CALL_COOKIE_INT_REG_GET): Likewise.
1329
1330 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
1331
1332         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
1333         transformations are applied successfully.
1334
1335 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
1336
1337         * tree.c (tree_contains_struct): Permit 512 tree codes.
1338         * tree.h (tree_contains_struct): Ditto.
1339         (MAX_TREE_CODES): Ditto.
1340         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
1341         SPARE member to store remaining padding bits.
1342
1343 2007-03-27  Anatoly Sokolov <aesok@post.ru>
1344
1345         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
1346         architecture.
1347
1348 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
1349
1350         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
1351         * configure: Regenerate.
1352
1353         * configure: Regenerate using the correct version of autoconf.
1354
1355 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
1356
1357         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
1358         pointer regs.
1359         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
1360         regs to "__SP_L__" and "__SP_H__".
1361
1362 2007-03-27  Richard Guenther  <rguenther@suse.de>
1363
1364         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
1365         computations with it with a HOST_WIDE_INT variable.
1366
1367 2007-03-26  Mike Stump  <mrs@apple.com>
1368
1369         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
1370         objective-c-header, objective-c++-header and objc++-cpp-output
1371         support.
1372         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
1373
1374 2007-03-26  Richard Henderson  <rth@redhat.com>
1375
1376         PR target/31361
1377         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
1378         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
1379         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
1380         IX86_BUILTIN_PSRLQ128): New.
1381         (ix86_init_mmx_sse_builtins): Add them.
1382         (ix86_expand_builtin): Expand them.
1383         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
1384         operand 2 be TImode.
1385         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
1386         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
1387         _mm_srli_epi64): Mark __B const.
1388         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
1389         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
1390         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
1391         new two-vector shift builtins.
1392
1393 2007-03-26  Ian Lance Taylor  <iant@google.com>
1394
1395         PR tree-optimization/31345
1396         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
1397         [+INF, +INF(OVF)] into VARYING.
1398
1399 2007-03-26  Zack Weinberg  <zackw@panix.com>
1400
1401         * gengtype-parse.c: New file.
1402         * gengtype-yacc.y: Delete.
1403         * gengtype-lex.l: Don't include gengtype-yacc.h.
1404         Define YY_DECL and yyterminate appropriately for recursive
1405         descent parser.  yylval is now a string out-parameter to yylex.
1406         (HWS, EOID): New shorthand.
1407         (IWORD): Add a couple more types.
1408         (yylex): Add a setup stanza.  Remove the complex rules for
1409         detecting GTY'ed types and typedefs; replace with simple
1410         keyword detectors.  Adjust everything for the changed
1411         definition of yylval.  Ignore all pp-directives, not just #define.
1412         (yyerror): Delete.
1413         (parse_file): Rename yybegin; do not call yyparse.
1414         (yyend): New.
1415         * gengtype.c (xasprintf): Export again.
1416         (this_file): New.  Use everywhere __FILE__ was being used.
1417         (get_lang_bitmap): Special case types defined in gengtype.c.
1418         (do_typedef, new_structure): Suppress definition of certain types.
1419         (new_structure): Improve diagnostics of duplicate definitions.
1420         Make sure location_s is associated with input.h.
1421         (nreverse_pairs, define_location_structures): New functions.
1422         (main): Improve tagging of kludge types.  Remove old kludges
1423         for input.h types; use define_location_structures.
1424         * gengtype.h: Update prototypes.  Define token codes here.
1425         * Makefile.in: Remove all references to gengtype-yacc.
1426         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
1427         and gengtype.
1428         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
1429         add GTY((skip)) to the field that's only conditionally there.
1430         * doc/install.texi: Document that Bison is no longer required
1431         unless building treelang.
1432
1433         * gengtype.c: Don't include gtyp-gen.h.
1434         (srcdir): Declare here.
1435         (base_files, lang_dir_names): Allocate dynamically.
1436         (gt_files, num_gt_files, num_lang_dirs): New globals.
1437         (measure_input_list, read_input_line, read_input_list)
1438         (set_lang_bitmap): New functions.
1439         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
1440         simplify, relying on read_input_list to set up the bitmaps.
1441         (main): Arguments are no longer unused.  Check for correct number
1442         of command line arguments, set srcdir and srcdir_len, then call
1443         read_input_list, before doing anything else.  No need to worry
1444         about duplicates in main loop.
1445         * configure.ac: Simplify the calculation of all_gtfiles.
1446         Put language tags in there.  Don't set or substitute
1447         all_gtfiles_files_langs or all_gtfiles_files_frags.
1448         * Makefile.in: Revamp the way gengtype is invoked, now that it
1449         takes a file on its command line with a much simpler format.
1450         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
1451         (GTFILES): Remove duplicates and C source files.
1452         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
1453         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
1454         * configure: Regenerate.
1455
1456         * gengtype.h: Remove all type definitions to gengtype.c; leave
1457         only definitions of options_p, type_p, and pair_p as opaque
1458         pointers.  Update prototypes.
1459         * gengtype.c: Many type definitions moved here from gengtype.h.
1460         Consolidate type definitions at the top of the file.
1461         (xvasprintf): Delete.
1462         (xasprintf): Make static.
1463         (create_nested_pointer_option): Add 'next' parameter.
1464         (create_field_all, create_field_at): New functions.
1465         (create_field): Now a thin wrapper around create_field_all.
1466         (create_optional_field): Rename create_optional_field_ and add
1467         line argument.  Original name is now a macro which supplies
1468         __LINE__.
1469         (oprintf): Use vsnprintf directly.
1470         (close_output_files): Use fatal rather than perror/exit.
1471         (note_def_vec, note_def_vec_alloc): Use create_field_at.
1472         (main): Set progname.  Don't use exit.
1473         * gengtype-yacc.y (struct_fields): Use create_field_at.
1474         (option, optionseqopt): Delete.
1475         (optionseq): Consolidate productions from option here so we
1476         can use the first argument to create_option.
1477
1478         * gengtype-lex.l: Distinguish unions from structures in the
1479         token type.  Don't call find_structure; return the tag as a string.
1480         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
1481         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
1482         Reorganize typedef_struct production accordingly.
1483         Use create_nested_ptr_option.
1484         * gengtype.c (create_nested_ptr_option): New function.
1485         * gengtype.h: Declare it.
1486
1487         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
1488         (string_type): Don't declare.
1489         (do_scalar_typedef): Declare.
1490         (create_scalar_type): Update prototype.
1491         * gengtype.c (string_type): Make static.
1492         (scalar_nonchar, scalar_char): New.
1493         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
1494         (resolve_typedef): Use scalar_nonchar for error recovery.
1495         (create_scalar_type): Remove name_len field.  Return scalar_char
1496         or scalar_nonchar as appropriate.
1497         (adjust_field_type): Look at scalar_is_char boolean to decide whether
1498         to use string_type.
1499         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
1500         whenever possible.
1501         (main): Initialize scalar_char and scalar_nonchar before calling
1502         gen_rtx_next.
1503         * gengtype-lex.l: Adjust for removal of second argument to
1504         create_scalar_type.  Use yylval.s instead of yylval.t when
1505         returning SCALAR.
1506         * gengtype-yacc.y: Type of SCALAR is string.  Call
1507         create_scalar_type from type:SCALAR rule.  Adjust for removal of
1508         second argument to create_scalar_type.
1509
1510         * vec.h: Remove all #if IN_GENGTYPE blocks.
1511         Add comment saying that changes may require adjustments to gengtype.
1512         * gengtype.c: Don't include coretypes.h or tm.h.
1513         Add comment to inclusion of errors.h.
1514         (note_def_vec, note_def_vec_alloc): New functions.
1515         * gengtype.h: Declare new functions.
1516         * gengtype-lex.l: Don't include coretypes.h.
1517         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
1518         Delete.
1519         (update_lineno): Remove unnecessary prototype.
1520         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
1521         (VEC rule): Just return VEC_TOKEN.
1522         * gengtype-yacc.y (VEC_TOKEN): New token type.
1523         (type): Add a production for VEC(a,b).
1524         * Makefile.in: Update dependencies.
1525
1526         * gengtype-lex.l: Remove rules for parsing pointer-to-function
1527         typedefs that use the old PARAMS macro.
1528
1529         * gengtype-lex.l: Remove all rules and states relating to yacc
1530         input files.
1531         * gengtype-yacc.y: Similarly.
1532         * gengtype.c (note_yacc_type): Delete function.
1533         * gengtype.h: Update prototypes.
1534
1535 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
1536
1537         * tree-pretty-print.c (dump_generic_node): Report precision of
1538         unnamed integer types.
1539
1540 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
1541
1542         * ifcvt.c (noce_try_store_flag_constants): Don't check
1543         no_new_pseudos here.
1544         (noce_try_store_flag_constants): Don't check no_new_pseudos.
1545         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
1546         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
1547         noce_try_sign_mask): Likewise.
1548         (if_convert): Check no_new_pseudos here.
1549
1550         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
1551         Remove prototypes.
1552         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
1553         (noce_get_condition): Handle new then_else_reversed argument.
1554         (noce_init_if_info): Remove, fold into noce_find_if_block.
1555         (noce_process_if_block): Take a struct noce_if_info as the
1556         argument.  Don't set up one based on ce_if_info.  Update pointer
1557         references accordingly.
1558         (cond_move_process_if_block): Likewise.
1559         (process_if_block): Removed.
1560         (find_if_block): Removed.  Move functionality two new functions,
1561         noce_find_if_block and cond_exec_find_if_block.
1562         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
1563         blocks and the symmetric IF-ELSE-JOIN case.
1564         (cond_exec_find_if_block): Also new function mostly based on old
1565         find_if_block and process_if_block.
1566         (find_if_header): Replace find_if_block call with separately
1567         guarded calls to noce_find_if_block and cond_exec_find_if_block.
1568         (find_cond_trap): Update noce_get_condition call.
1569         (dead_or_predicable): Likewise.
1570
1571 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
1572
1573         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
1574         Remove.
1575         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
1576         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
1577         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
1578         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
1579         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
1580         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
1581         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
1582         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
1583         __builtin_ia32_psrad128 builtins.
1584
1585 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
1586
1587         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
1588         * config/i386/constraints.md
1589         (define_constraint "I"): Use IN_RANGE macro.
1590         (define_constraint "J"): Ditto.
1591         (define_constraint "K"): Ditto.
1592         (define_constraint "M"): Ditto.
1593         (define_constraint "N"): Ditto.
1594         (define_constraint "O"): Ditto.
1595         * config/i386/predicates.md
1596         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
1597         (define_predicate "const_0_to_3_operand"): Ditto.
1598         (define_predicate "const_0_to_7_operand"): Ditto.
1599         (define_predicate "const_0_to_15_operand"): Ditto.
1600         (define_predicate "const_0_to_63_operand"): Ditto.
1601         (define_predicate "const_0_to_255_operand"): Ditto.
1602         (define_predicate "const_1_to_31_operand"): Ditto.
1603         (define_predicate "const_2_to_3_operand"): Ditto.
1604         (define_predicate "const_4_to_7_operand"): Ditto.
1605
1606 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
1607
1608         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
1609         in SImode for save_world.
1610         * config/rs6000/altivec.md (save_world, restore_world): Convert to
1611         LR hard reg.
1612
1613 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
1614
1615         PR tree-optimization/30784
1616         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
1617         BIT_FIELD_REF.
1618
1619 2007-03-25  Revital Eres  <eres@il.ibm.com>
1620
1621         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
1622           Fold movement_possibility function into it.
1623
1624 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
1625
1626         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
1627         (load_macho_picbase_{si,di}): Convert to LR hard reg.
1628         (call_indirect_nonlocal_darwin64): Same.
1629         (call_nonlocal_darwin64): Same.
1630         (call_value_indirect_nonlocal_darwin64): Same.
1631         (call_value_nonlocal_darwin64): Same.
1632         (sibcall_nonlocal_darwin64): Same.
1633         (sibcall_value_nonlocal_darwin64): Same.
1634         (sibcall_symbolic_64): Same.
1635         (sibcall_value_symbolic_64): Same.
1636         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
1637         LR pseudo.
1638         (rs6000_emit_load_toc_table): Same.
1639         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
1640         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
1641         (mull_call): Same.
1642         (divss_call): Same.
1643         (divus_call): Same.
1644         (quoss_call): Same.
1645         (quous_call): Same.
1646         (load_toc_v4_pic_si): Same
1647         (load_toc_v4_PIC_1): Same.
1648         (load_toc_v4_PIC_1b): Same.
1649         (call_indirect_aix{32,64}): Same.
1650         (call_value_indirect_aix{32,64}): Same.
1651         (call): Same.
1652         (call_value): Same.
1653         (call_local{32,64}): Same.
1654         (call_value_local{32,64}): Same.
1655         (call_indirect_nonlocal_aix{32,64}): Same.
1656         (call_nonlocal_aix{32,64}): Same.
1657         (call_value_indirect_nonlocal_aix{32,64}): Same.
1658         (call_value_nonlocal_aix{32,64}): Same.
1659         (call_indirect_nonlocal_sysv<mode>): Same.
1660         (call_nonlocal_sysv<mode>): Same.
1661         (call_value_indirect_nonlocal_sysv<mode>): Same.
1662         (call_value_nonlocal_sysv<mode>): Same.
1663         (sibcall): Same.
1664         (sibcall_local{32,64}): Same.
1665         (sibcall_value_local{32,64}): Same.
1666         (sibcall_nonlocal_aix{32,64}): Same.
1667         (sibcall_value_nonlocal_aix{32,64}): Same.
1668         (sibcall_nonlocal_sysv<mode>): Same.
1669         (sibcall_value): Same.
1670         (sibcall_value_nonlocal_sysv<mode>): Same.
1671
1672 2007-03-24  Paul Brook  <paul@codesourcery.com>
1673
1674         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
1675         * config/arm/linux-eabi.h: Remove legacy syscall hack.
1676
1677 2007-03-24  Richard Henderson  <rth@redhat.com>
1678
1679         * config/ia64/constraints.md: New file.
1680         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
1681         satisfies_constraint_?.
1682         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
1683         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
1684         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
1685         ia64_output_mi_thunk): Likewise.
1686         (ia64_const_ok_for_letter_p): Remove.
1687         (ia64_const_double_ok_for_letter_p): Remove.
1688         (ia64_extra_constraint): Remove.
1689         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
1690         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
1691         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
1692         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
1693         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
1694         EXTRA_MEMORY_CONSTRAINT): Remove.
1695         * config/ia64/ia64.md: Include constriants.md.  Replace
1696         CONST_OK_FOR_? with satisfies_constraint_?.
1697
1698 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
1699             H.J. Lu  <hongjiu.lu@intel.com>
1700
1701         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
1702         DPD or BID name.
1703         (name macros): Use DPD_BID_NAME to convert names properly.
1704
1705         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
1706         decimal floating point format.
1707         (init_floating_libfuncs): Change decimal functions so that they
1708         have a "bid_" prefix if the decimal system uses the BID format,
1709         and "dpd_" prefix if the decimal system uses the DPD format.
1710         (init_interclass_conv_libfuncs): Ditto.
1711         (init_intraclass_conv_libfuncs): Ditto.
1712
1713         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
1714         using the BID format.
1715
1716         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
1717         whether we are using the BID decimal format.
1718         * configure: Regenerate.
1719
1720         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
1721         the compiler has decimal floating point enabled.  Define
1722         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
1723         instead of DPD.
1724
1725         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
1726         using the BID format.
1727
1728         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
1729         whether we are using the BID decimal format.
1730         * configure: Regenerate.
1731
1732         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
1733         the compiler has decimal floating point enabled.  Define
1734         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
1735         instead of DPD.
1736
1737         * doc/install.texi (--enable-decimal-float): Document BID and DPD
1738         options, and that it is enabled for i386/x86_64 systems.
1739
1740         * Makefile.in (enable_decimal_float): New.
1741         (DECNUMFMT): New.
1742         (DECNUMINC): Add  -I$(DECNUMFMT).
1743         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
1744         to $(DECNUMFMT) from $(DECNUM).
1745
1746         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
1747         Substitute enable_decimal_float.
1748         * configure: Regenerated.
1749
1750         PR other/30529
1751         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
1752         unsigned long.
1753
1754         * configure.ac: Enable decimal float for x86_64-*-linux*.
1755         * configure: Regenerated.
1756
1757         PR other/30530
1758         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
1759         decimal128ClearSign to flip and clear the sign bit in decimal128.
1760         (decimal_real_maxval): Set decimal128SetSign to set the sign
1761         bit in decimal128.
1762
1763 2007-03-23  Ian Lance Taylor  <iant@google.com>
1764
1765         * fold-const.c (fold_binary): Correct warning for X - c >= X.
1766
1767 2007-03-23  Ian Lance Taylor  <iant@google.com>
1768
1769         * tree-dump.c (dump_files): Correct comment.
1770
1771 2007-03-23  Ian Lance Taylor  <iant@google.com>
1772
1773         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
1774
1775 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
1776
1777         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
1778         in cfglayout mode.  Don't go into and out of cfglayout mode.
1779         Link the blocks in the order of the constructed traces.
1780         (rest_of_handle_tracer): Adjust call to tracer.
1781         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
1782         Don't go into cfglayout mode.
1783         (rtl_loop_done): Don't go out of cfglayout mode.
1784         * cfglayout.c (relink_block_chain): New function, split out from...
1785         (fixup_reorder_chain): ...here.  Remove redundant checking.
1786         (cfg_layout_finalize): Don't clear the header, footer, and aux
1787         fields here, move the code to do so to relink_block_chain.  Likewise
1788         for free_original_copy_tables.
1789         * rtl.h (tracer): Update prototype.
1790         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
1791         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
1792         mode.  Use relink_block_chain to serialize the CFG according to the
1793         new basic block order.  Move targetm.cannot_modify_jumps_p check from
1794         here...
1795         (gate_handle_reorder_blocks): ...to here.
1796         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
1797         from here...
1798         (gate_duplicate_computed_gotos): ...to here.
1799         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
1800         something always changes when going into and out of cfglayout mode.
1801         Perform an expensive cfg cleanup while going into cfglayout mode.
1802         Always update liveness information on HAVE_conditional_execution
1803         targets.  Reserialize the basic blocks and go out of cfglayout mode.
1804         * reg-stack.c: Include cfglayout.h.
1805         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
1806         the call to reorder_basic_blocks.
1807         * basic-block.h (reorder_basic_blocks): Update prototype.
1808         (relink_block_chain): New prototype.
1809         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
1810
1811 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
1812
1813         * config/mips/mips.md (type, hazard, *movdi_32bit,
1814         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
1815         *movhi_internal, *movqi_internal, *movsf_hardfloat,
1816         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
1817         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
1818         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
1819         applicable.
1820         (movcc): Change first xfer to multi.
1821         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
1822         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
1823         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
1824         config/mips/generic.md: Change reservations using "xfer" to use
1825         "mfc,mtc".
1826         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
1827         using match_operand.
1828         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
1829         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
1830         examining mode.
1831         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
1832
1833 2007-03-22  Richard Henderson  <rth@redhat.com>
1834
1835         * config/i386/i386.c: Remove unnecessary function declarations.
1836         Move targetm definition, and all related macros, to the end of
1837         the file.  Resort some functions to put definitions before uses.
1838         (ix86_attribute_table): Make static.  Move to end of file.
1839         (ix86_gimplify_va_arg): Make static.
1840
1841 2007-03-22  Richard Henderson  <rth@redhat.com>
1842
1843         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
1844         don't increase local_regparm with force_align_arg_pointer check.
1845         (ix86_function_sseregparm): Assert 32-bit.
1846         (type_has_variadic_args_p): New.
1847         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
1848         type_has_variadic_args_p.
1849         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
1850         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
1851         use memset instead.  Do maybe_vaarg check first; skip attribute
1852         tests if true; skip attribute tests for 64-bit.
1853         (construct_container): Remove TARGET_DEBUG_ARG.
1854         (function_arg_advance_32, function_arg_advance_64): Split out ...
1855         (function_arg_advance): ... from here.
1856         (function_arg_32, function_arg_64): Split out ...
1857         (function_arg): ... from here.
1858         (ix86_pass_by_reference): Tidy.
1859         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
1860         (function_value_32): New, from parts of ix86_function_value
1861         and ix86_value_regno.
1862         (function_value_64): New, from parts of ix86_function_value
1863         and ix86_libcall_value.
1864         (ix86_function_value_1): New.
1865         (ix86_function_value, ix86_libcall_value): Use it.
1866         (return_in_memory_32, return_in_memory_64): Split out ...
1867         (ix86_return_in_memory): ... from here.
1868         (ix86_struct_value_rtx): Skip for 64-bit.
1869         (ix86_libcall_value, ix86_value_regno): Remove.
1870         (setup_incoming_varargs_64): Split out ...
1871         (ix86_setup_incoming_varargs): ... from here.
1872         (ix86_va_start): Remove TARGET_DEBUG_ARG.
1873         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
1874         * config/i386/i386-protos.h (ix86_function_value): Remove.
1875         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
1876
1877 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1878
1879         PR other/23572
1880         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
1881         infinities not supported, otherwise emit warning if -Woverflow. On
1882         underflow, emit warning if -Woverflow.
1883         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
1884         and 0 otherwise.
1885         * real.h (real_from_string): Update declaration
1886
1887 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
1888             Richard Henderson  <rth@redhat.com>
1889
1890         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
1891         * calls.c (compute_argument_block_size, expand_call,
1892         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
1893         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
1894         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
1895         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
1896         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
1897         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
1898         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
1899         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
1900         Set to 1.
1901
1902 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
1903
1904         * c-incpath.c (add_sysroot_to_chain): New.
1905         (merge_include_chains): Add sysroot argument.  Call
1906         add_sysroot_to_chain if sysrooted.
1907         (register_include_chains): Update call to merge_include_chains.
1908         * doc/cppopts.texi: Document use of '=' in include directory
1909         arguments.
1910
1911 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
1912
1913         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
1914         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
1915         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
1916         insn pattern using X87MODEF12 mode macro.
1917
1918 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
1919
1920         * regmove.c (regmove_optimize): Use reg_mentioned_p
1921         instead of reg_overlap_mentioned_p for DST.
1922
1923 2007-03-21  Mike Stump  <mrs@apple.com>
1924
1925         * c.opt: Fixup for Objective-C/C++.
1926
1927 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
1928
1929         * explow.c (convert_memory_address): Fold memory reference when
1930         POINTERS_EXTEND_UNSIGNED < 0
1931
1932 2007-03-21  Richard Henderson  <rth@redhat.com>
1933
1934         PR target/31245
1935         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
1936         * config/i386/mmintrin.h (__m64): Likewise.
1937         * config/i386/xmmintrin.h (__m128): Likewise.
1938
1939 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1940
1941         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
1942         (VXWORKS_OS_CPP_BUILTINS): Define.
1943         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
1944         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
1945
1946 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1947
1948         * rtl.h (constant_pool_reference_p): Delete.
1949         (find_constant_src): Declare.
1950         * rtlanal.c (find_constant_src): New function.
1951         * simplify-rtx.c (constant_pool_reference_p): Delete.
1952         * config/i386/i386.md: Use find_constant_src instead of
1953         constant_pool_reference_p/avoid_constant_pool_reference pairs.
1954
1955 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1956
1957         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
1958         * c-cppbuiltin.c (c_cpp_builtins): Define them.
1959
1960 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
1961
1962         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
1963         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
1964         (arm_elf_asm_constructor): Use it.
1965         (arm_elf_asm_destructor): New function.
1966
1967 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
1968
1969         * jump.c (mark_jump_label): Treat SEQUENCE specially.
1970
1971 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
1972
1973         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
1974
1975 2007-03-19  Andrew Haley  <aph@redhat.com>
1976
1977         PR tree-optimization/31264
1978         * tree-vrp.c (register_edge_assert_for_1): Don't look though
1979         VIEW_CONVERT_EXPRs.
1980
1981 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
1982
1983         PR rtl-optimization/30907
1984         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
1985         (fwprop_init): Always call loop_optimizer_initialize.
1986         (fwprop_done): Always call loop_optimizer_finalize.
1987         (fwprop): We always have loop info now.
1988         (gate_fwprop_addr): Remove.
1989         (pass_fwprop_addr): Use gate_fwprop as gate.
1990
1991         PR rtl-optimization/30841
1992         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
1993         df_chain_alloc): Call df_reorganize_refs unconditionally.
1994         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
1995         refs_organized to refs_organized_size.
1996         (df_ref_create_structure): Use refs_organized_size instead of
1997         bitmap_size if refs had been organized, and keep refs_organized_size
1998         up-to-date.
1999         * df.h (struct df_ref_info): Change refs_organized to
2000         refs_organized_size.
2001         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
2002         bitmap_size.
2003
2004 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
2005
2006         * except.c (output_function_exception_table): Do not reference the
2007         EH personality routine for functions that do not require an
2008         exception table.
2009
2010 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
2011
2012         PR c/30762
2013         * c-typeck.c (convert_for_assignment): Call comptypes for
2014         RECORD_TYPE or UNION_TYPE.
2015
2016         PR inline-asm/30505
2017         * reload1.c (reload): Do invalid ASM checking after
2018         cleanup_subreg_operands.
2019
2020 2007-03-19  Jeff Law  <law@redhat.com>
2021
2022         * tree-cfg.c (find_taken_edge): Tighten conditions for
2023         optimizing computed gotos.
2024
2025 2007-03-19  Michael Matz  <matz@suse.de>
2026
2027         * builtins.c (expand_builtin_sync_operation,
2028         expand_builtin_compare_and_swap,
2029         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
2030         correctly.
2031
2032         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
2033         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
2034         for operand 3.
2035
2036 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2037
2038         * doc/tm.texi: Add brackets around the return type of
2039         TARGET_SECONDARY_RELOAD.
2040
2041 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2042         Richard Guenther  <rguenther@suse.de>
2043
2044         PR tree-optimization/31254
2045         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
2046         Use handled_component_p () where appropriate.  Continue
2047         propagating into the rhs if we propagated into an INDIRECT_REF
2048         on the lhs.
2049
2050 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2051
2052         * config/s390/s390.md (op_type attribute): RRR instruction type added.
2053         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
2054         (xde, xdee): Mode attributes adjusted to support DFP modes.
2055         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
2056         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
2057         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
2058         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
2059         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
2060         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
2061         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
2062         numbers.
2063         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
2064         "movsf"): Insn definitions removed.
2065         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
2066         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
2067         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
2068         definitions added.
2069         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
2070         "reload_in<mode>", "reload_out<mode>"): Expander added.
2071         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
2072         Expander removed.
2073
2074 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2075
2076         * config/s390/s390.md: Only non-functional changes.  Renamed
2077         FPR mode macro to BFP all over the file.
2078
2079 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2080
2081         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
2082         (op_type attribute): RRF instruction type added.
2083         (fT0): New mode attribute.
2084         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
2085         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
2086         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
2087         no secondary memory is needed when moving DFmode values between GPRs
2088         and FPRs.
2089
2090 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2091
2092         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
2093         inverted and documentation adjusted.
2094         ("mhard-dfp", "msoft-dfp"): New options.
2095         * config/s390/s390.c (s390_handle_arch_option): New architecture
2096         switch: z9-ec.
2097         (override_options): Sanity checks for the new options added.
2098         * config.gcc: New architecture switch: z9-ec.
2099         * config/s390/s390.h (processor_flags): PF_DFP added.
2100         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
2101         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
2102         when the bit is NOT set so remove it from the defaults.
2103
2104 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2105
2106         * genemit.c (main): Print include statement for dfp.h.
2107         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
2108         is not available.
2109
2110 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
2111
2112         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
2113
2114 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
2115
2116         PR target/31022
2117         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
2118         instead of PATTERN.
2119
2120 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2121
2122         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
2123         attr_length_call, output_call, output_indirect_call): Cleanup
2124         formatting of targetm calls.
2125
2126 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
2127
2128         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
2129
2130 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2131
2132         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
2133         reservation, bypass and anti-bypass descriptions for these instructions.
2134         Update move patterns.
2135         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
2136         TYPE_FPSTORE.
2137
2138 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
2139
2140         * tree-vect-transform.c (get_initial_def_for_induction): Replace
2141         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
2142         (get_initial_def_for_reduction): Likewise.
2143
2144 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
2145
2146         Fix PR tree-optimization/29922
2147         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
2148         (get_representative): Removed.
2149         (value_dies_in_block_x): Update for rvuse removal.
2150         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
2151         (compute_antic_aux): Handle when PHI nodes appear in
2152         non-single-successors.
2153         (dump_bitmap_of_names): Removed.
2154         (compute_antic_safe): Renamed and removed rvuse calculation.
2155         Calculate only antic safe.
2156         (insert_into_preds_of_block): Remove assert.
2157         (execute_pre): Update for renamed functions.
2158         (defer_or_phi_translate_block): New function.
2159
2160 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
2161
2162         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
2163         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
2164         typos.
2165         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
2166         Follow spelling conventions.
2167
2168         * tree-data-ref.h: Remove the prototype for analyze_array.
2169
2170 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
2171
2172         PR tree-optimization/31041
2173         * tree-vect-transform.c (get_initial_def_for_induction): Call
2174         force_gimple_operand.
2175
2176 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
2177
2178         * ipa-type-escape.c (look_for_casts) : Revert code to use
2179         handled_component_p due to ada test a-numaux.adb.
2180
2181 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
2182
2183         * final.c (final_scan_insn): Alter the condition of a
2184         conditional trap if we have nonstandard CC.
2185
2186 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2187
2188         * configure.ac: Remove excess quoting from asm line 0 test.
2189         * configure: Rebuilt.
2190
2191 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2192
2193         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
2194         * c-common.c (convert_and_check): Move warning logic to...
2195         (warnings_for_convert_and_check): ...here. Define.
2196         * c-common.h (warnings_for_convert_and_check): Declare.
2197
2198 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2199
2200         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
2201         (output_call): Likewise.
2202
2203 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
2204
2205         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
2206
2207 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
2208
2209         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
2210
2211 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
2212
2213         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
2214         opteron, athlon-64 and athlon-fx processor_alias_table entries.
2215
2216 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
2217
2218         PR tree-optimization/31183
2219         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
2220         Use double_int instead of unsigned int for representing access_strides.
2221         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
2222
2223 2007-03-16  Richard Guenther  <rguenther@suse.de>
2224
2225         PR tree-optimization/31146
2226         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
2227         to allow recursion of forward_propagate_addr_expr.
2228         (forward_propagate_addr_into_variable_array_index): Likewise.
2229         (forward_propagate_addr_expr): Likewise.
2230         (tree_ssa_forward_propagate_single_use_vars): Likewise.
2231         (forward_propagate_addr_expr_1): Recurse on simple copies
2232         instead of propagating into them.  Do so for useless conversions
2233         as well.
2234         (forward_propagate_addr_expr): Clean up unused statements after
2235         recursion.
2236
2237 2007-03-16  Richard Guenther  <rguenther@suse.de>
2238
2239         * builtins.c (expand_builtin_cexpi): Use the right argument
2240         for the expansion via cexp.
2241
2242 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2243
2244         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
2245         * configure: Rebuilt.
2246
2247 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2248
2249         PR debug/29906
2250         * dwarf2out.c (force_type_die): Adjust comment.
2251         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
2252
2253 2007-03-15  DJ Delorie  <dj@redhat.com>
2254
2255         * config/frv/predicates.md (minmax_operator): Don't check operands
2256         here.
2257
2258 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
2259
2260         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
2261         Update constant estimates of number of iterations.
2262         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
2263         argument renamed to "realistic".
2264         (compute_estimated_nb_iterations): Removed.
2265         (record_niter_bound): New function.
2266         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
2267         call record_nonwrapping_iv with upper = false.
2268         (infer_loop_bounds_from_signedness): Pass upper argument to
2269         record_nonwrapping_iv.
2270         (estimate_numbers_of_iterations_loop): Do not call
2271         compute_estimated_nb_iterations.  Record estimate based on profile
2272         information.  Initialize the constant estimates of number of
2273         iterations.
2274         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
2275         estimates.
2276         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
2277         number of iterations is too small.
2278         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
2279         (EST_NOT_AVAILABLE): Removed.
2280         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
2281         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
2282         fields.
2283
2284 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
2285
2286         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
2287         Handle NE_EXPR guards.
2288
2289 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2290
2291         PR c++/24924
2292         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
2293         Set also -pedantic-errors by default for the  preprocessor unless
2294         -fpermissive is given.
2295
2296 2007-03-15  Richard Guenther  <rguenther@suse.de>
2297
2298         PR middle-end/29719
2299         PR middle-end/31161
2300         * builtins.c (expand_builtin_cexpi): As a fallback if we
2301         don't have builtins for sincos or cexp create a function
2302         declaration for cexp and expand to a call to that.
2303         (expand_builtin_int_roundingfn): Always fall
2304         back to floor/ceil and its variants even if they may be
2305         not available.
2306
2307 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
2308
2309         PR middle-end/31159
2310         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
2311         jump tables, move the call to delete_dead_jumptables from here...
2312         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
2313         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
2314         don't allow merging of blocks that try_redirect_by_replacing_jump
2315         also does not handle when not optimizing.
2316
2317 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
2318             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2319
2320         * config/i386/i386.md (x86_sahf_1): Correctly handle
2321         HAVE_AS_IX86_SAHF.
2322
2323 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
2324
2325         PR target/31167
2326         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
2327         x86_64_general_operand as operand[2] predicate.  Remove "iF"
2328         from operand constraints and use "e" constraint instead.
2329         (*subti3_1, *subti3_1 splitter): Ditto.
2330         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
2331         operand[1] predicate.
2332
2333 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
2334
2335         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
2336         arrays, multiply the access strides by the size of the sub-array.
2337         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
2338
2339 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
2340
2341         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
2342         the configured assembler supports the sahf mnemonic.
2343         * configure: Regenerate.
2344         * config.in: Regenerate.
2345
2346         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
2347         emit "sahf" or ".byte\t0x9e" as asm template.
2348
2349 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
2350
2351         PR 31018
2352         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
2353         option to replace hard coded TARGET_xxx in md file.
2354         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
2355         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
2356         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
2357         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
2358         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
2359         (X86_TUNE_NOT_VECTORMODE): Ditto.
2360         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
2361         (TUNE_AVOID_VECTOR_DECODE): Ditto.
2362         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
2363         (TUNE_SLOW_IMUL_IMM8): Ditto.
2364         (TUNE_MOVE_M1_VIA_OR): Ditto.
2365         (TUNE_NOT_UNPAIRABLE): Ditto.
2366         (TUNE_NOT_VECTORMODE): Ditto.
2367
2368         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
2369         options.
2370
2371         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
2372         tuning options instead of hard coded TARGET_xxx.
2373         (fix ssemode peephole2's): Ditto.
2374         (imul peephole2's): Ditto.
2375         (movsi_or): Ditto.
2376         (movdi_or_rex64): Ditto.
2377         (move peephole2): Ditto.
2378         (not peephole2's): Ditto.
2379
2380 2007-03-14  Dirk Mueller  <dmueller@suse.de>
2381
2382         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
2383         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
2384         * c-parser.c (c_parser_if_body): Always add an empty statement in case
2385         of empty body.
2386         * c-parser.c (c_parser_do_statement): Warn about empty body in
2387         do/while statement.
2388         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
2389         * doc/invoke.texi (-Wempty-body): Update documentation.
2390
2391 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2392
2393         PR c/21438
2394         * c-common.h (warn_for_div_by_zero): Declare.
2395         * c-common.c (warn_for_div_by_zero): Define.
2396         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
2397         warning.
2398
2399 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2400
2401         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
2402         to PREFIX and STANDARD_PREFIX.
2403
2404 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2405             Phil Edwards  <phil@codesourcery.com>
2406
2407         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
2408         (__gthread_once_t): Remove busy field for RTPs.
2409         (__GTHREAD_ONCE_INIT): Update accordingly.
2410
2411 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2412
2413         * doc/invoke.texi: Document VxWorks options.
2414
2415 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
2416
2417         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
2418
2419 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
2420
2421         PR tree-optimization/30590
2422         * tree-nrv.c (tree_nrv): Check for the partial update of the
2423         return value.
2424
2425 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
2426
2427         * flags.h (flag_random_seed): Remove declaration, in favor of...
2428         * toplev.h (get_random_seed, set_random_seed): ... these.
2429         * tree.c (get_file_function_name): Use the former.
2430         * opts.c (common_handle_option): Use the latter.
2431         * toplev.c
2432
2433 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
2434
2435         PR middle-end/31127
2436         * cse.c (cse_find_path): Do not bail out if a basic block that
2437         we already visited now becomes part of a path that starts at a
2438         different basic block.  Just disallow this, to make sure we
2439         visit each basic block at most once.
2440
2441 2007-03-13  Jan Hubicka  <jh@suse.cz>
2442
2443         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
2444         when profile esitmate is present, calls with very low frequency are
2445         cold.
2446
2447 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
2448
2449         PR tree-optimization/30730
2450         PR tree-optimization/26900
2451         * tree-ssa-loop-niter.c: Include gmp.h.
2452         (bounds): New type.
2453         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
2454         split_to_var_and_offset, determine_value_range,
2455         bound_difference_of_offsetted_base, refine_bounds_using_guard,
2456         bound_difference, bounds_add, bounds_negate,
2457         number_of_iterations_ne_max, dump_affine_iv): New functions.
2458         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2459         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
2460         difference of initial and final value of control iv to validate
2461         results.
2462         (number_of_iterations_cond): Add loop parameter.  Determine bounds
2463         on the difference of the extremes of the control iv.  Add dumps.
2464         (expand_simple_operations): Handle phi nodes.
2465         (simplify_using_initial_conditions): Do not record used conditions.
2466         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
2467         Do not set additional_info.
2468         (implies_nonnegative_p, implies_ge_p): Removed.
2469         (derive_constant_upper_bound): Do not use parameter `additional'.
2470         (record_estimate): Parameter `additional' removed.  Parameter
2471         `i_bound' added.  Do not call derive_constant_upper_bound.
2472         (record_nonwrapping_iv): Use derive_constant_upper_bound to
2473         bound the number of iterations estimate.
2474         (estimate_numbers_of_iterations_loop): Pass the estimate from
2475         the number of iterations analysis to record_estimate.
2476         * tree.h (multiple_of_p): Declare.
2477         * tree-scalar-evolution.c (expression_expensive_p): Removed.
2478         (scev_const_prop): Do not check expression_expensive_p.
2479         * fold-const.c (multiple_of_p): Exported.
2480         * double-int.c (double_int_mask): Exported.
2481         * double-int.h (double_int_mask): Declare.
2482         * tree-flow.h (struct tree_niter_desc): Removed additional_info
2483         field.  Added max field.
2484
2485 2007-03-13  David Taylor  <taylor@candd.org>
2486
2487         PR driver/12448:
2488         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
2489         default -MQ.
2490
2491 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2492
2493         PR target/31123
2494         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
2495         two unamed patterns.
2496
2497 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
2498
2499         * config/i386/i386.opt (mcx16, msahf): New options.
2500         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
2501         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
2502
2503         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
2504         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
2505         Output -mcx16 and -msahf options when corresponding bit is set.
2506
2507         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
2508         and -msahf options.
2509
2510 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
2511
2512         * configure.ac: Test for assembler tolerance to # 0 "".
2513         * configure, config.in: Rebuilt.
2514         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
2515
2516 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
2517
2518         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
2519
2520         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
2521         (handle_syscall): Handle direct system calls.
2522         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
2523
2524 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
2525
2526         * doc/invoke.texi: Fix cpp.info cross-reference.
2527         * doc/passes.texi: Fix gcc.info cross-reference.
2528
2529 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
2530
2531         PR tree-optimization/30835
2532         * lambda-code.c (can_convert_to_perfect_nest): Check whether
2533         bb_for_stmt is not NULL before accessing it.
2534
2535 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
2536
2537         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
2538         some multilibs.
2539
2540 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
2541
2542         PR 30635
2543         * doc/install.texi: Document --enable-stage1-languages
2544
2545 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
2546
2547         * tree-pass.h (pass_into_cfg_layout_mode,
2548         pass_outof_cfg_layout_mode): Declare.
2549         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
2550         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
2551         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
2552         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
2553
2554 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
2555
2556         * c-decl.c (warn_variable_length_array): New function.
2557         Refactored from grokdeclarator to handle warn_vla
2558         and handle unnamed array case.
2559         (grokdeclarator): Refactored VLA warning case.
2560         * c.opt (Wvla): New flag.
2561         * doc/invoke.texi (Wvla): New warning.
2562
2563 2007-03-12  Richard Henderson  <rth@redhat.com>
2564
2565         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
2566         (TARGET_SECTION_TYPE_FLAGS): New.
2567
2568 2007-03-12  Richard Henderson  <rth@redhat.com>
2569
2570         * config/darwin.c (machopic_reloc_rw_mask): New.
2571         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
2572         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
2573
2574 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
2575
2576         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
2577         * cppdefault.h (cpp_PREFIX): Document.
2578         (cpp_PREFIX_len): Likewise.
2579         (cpp_EXEC_PREFIX): New variable.
2580         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
2581         * c-incpath.c (add_standard_paths): Correct logic for relocating
2582         paths within prefix.
2583
2584 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
2585
2586         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
2587         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
2588         mode macro.
2589         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
2590         fix_truncdfdi_sse using SSEMODEF mode macro.
2591         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
2592         fix_truncdfsi_sse using SSEMODEF mode macro.
2593         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
2594         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
2595
2596 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
2597
2598         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
2599         elfos.h to tm_file.
2600
2601 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
2602
2603         * tree.h : Add multiple_of_p declaration.
2604         * fold-const.c (multiple_of_p): Make multiple_of_p public.
2605         * ipa-type-escape.c (results_of_malloc): Redundant.
2606         (visited_stmts): New. Visited stmt for walk_use_def_chains.
2607         (cast_type): Extended with new members.
2608         (check_cast): Returns cast_type.
2609         (cast): New structure for data of walk_use_def_chains.
2610         (is_malloc_result, is_cast_from_non_pointer_1,
2611         is_cast_from_non_pointer,
2612         is_array_access_through_pointer_and_index): New functions.
2613         (look_for_casts): Returns cast types.
2614         (check_call): Returns void.
2615         (okay_pointer_operation): Use support of pointer plus index,
2616         pointer plus constant and allow all multiplications.
2617
2618 2007-03-11  Richard Guenther  <rguenther@suse.de>
2619
2620         PR tree-optimization/31115
2621         * tree-vrp.c (extract_range_from_binary_expr): Make sure
2622         the shift count is positive and non-anti-range for RSHIFT_EXPR.
2623         A shift count of zero is not special as with *_DIV_EXPR.
2624         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
2625         direction.
2626
2627 2007-03-11  Ian Lance Taylor  <iant@google.com>
2628
2629         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
2630         the *_DIV_EXPR codes correctly with overflow infinities.
2631
2632 2007-03-11  Ira Rosen  <irar@il.ibm.com>
2633
2634         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
2635         indicate success/failure of the analysis. Add negation to subtrahend
2636         in case of subtraction. Fail if both operands contain constants.
2637         (create_data_ref): Fail if analyze_offset fails.
2638
2639 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
2640
2641         * config/i386/i386.md (frndintxf2): Rename to ...
2642         (rintxf2): ... this. Remove expander having same name.
2643         (rintsf2, rintdf2): Implement using SSEMODEF macro.
2644         (roundsf2, rounddf2): Ditto.
2645         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
2646         (lround<mode>di2, lround<mode>si2): Ditto.
2647
2648 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
2649
2650         * lower-subreg.c: Include except.h.
2651         (decompose_multiword_subregs): Verify that the only control flow
2652         insns we can split are loads to multi-words pseudos.
2653         Handle breaking such blocks after splitting, instead of calling
2654         find_many_sub_basic_blocks.
2655
2656         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
2657         on the new basic block.  Add a lengthy comment explaining why we
2658         thought this was necessary.
2659         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
2660
2661 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
2662
2663         PR c++/30924
2664         * tree.c (walk_type_fields): Recurse into the element type of
2665         ARRAY_TYPEs if there is a pointer set.
2666
2667 2007-03-10  Dirk Mueller  <dmueller@suse.de>
2668
2669         * c-common.c (warn_logical_operator): Fix condition.
2670
2671 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
2672
2673         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
2674         quotation mark.
2675         * config/darwin.c (machopic_select_section): Remove superfluous
2676         argument in call to categorize_decl_for_section.  Remove unused
2677         variable shlib.
2678
2679 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
2680
2681         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
2682         defined.
2683         * configure: Regenerate.
2684
2685 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
2686
2687         PR target/31101
2688         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
2689         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
2690         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
2691         Add LABEL_NUSES to emitted label.
2692         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
2693         branch probability value to emitted jump insn.
2694         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
2695         Do not check life information and do not re-arrange input operands
2696         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
2697
2698 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2699
2700         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
2701         the change of decode_asm_operands.
2702
2703 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2704
2705         * mode-switching.c (create_pre_exit): Skip blockage insn.
2706
2707 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
2708
2709         * tree-pass.h (TODO_update_smt_usage): Remove.
2710         Update all users.
2711         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
2712         argument SOME.
2713         Update all users.
2714
2715 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2716
2717         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
2718         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
2719         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
2720         SOM target.
2721
2722 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
2723
2724         * gcc.c: Document %{, in big comment at top.
2725         (input_suffix_matches): Remove special handling for .s and
2726         .S.
2727         (input_spec_matches): New.
2728         (handle_braces): Handle %{,.
2729         (validate_switches): ',' indicates a value which is not a switch.
2730         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
2731         to detect assembler input.
2732         * config/i386/sol2.h (CPP_SPEC): Likewise.
2733         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
2734         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2735         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
2736         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
2737         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
2738         -m64 causes deployment target to default to 10.5.
2739         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
2740
2741 2007-03-09  Richard Henderson  <rth@redhat.com>
2742
2743         PR target/26090
2744         * target.h (targetm.asm.out.reloc_rw_mask): New.
2745         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
2746         (TARGET_ASM_OUT): Use it.
2747         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
2748         * varasm.c (categorize_decl_for_section): Remove shlib argument;
2749         use the new reloc_rw_mask target hook instead.
2750         (default_section_type_flags_1): Merge into...
2751         (default_section_type_flags): ... here.
2752         (decl_readonly_section_1): Merge into...
2753         (decl_readonly_section): ... here.
2754         (default_elf_select_section_1): Merge into...
2755         (default_elf_select_section): ... here.
2756         (default_unique_section_1): Merge into...
2757         (default_unique_section): ... here.
2758         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
2759         (default_select_rtx_section): Use it.
2760         (default_elf_select_rtx_section): Likewise.
2761         * output.h: Update to match.
2762         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
2763         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
2764         (TARGET_ASM_RELOC_RW_MASK): New.
2765         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
2766         to categorize_decl_for_section.
2767         (x86_64_elf_unique_section): Likewise.
2768         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
2769         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
2770         (TARGET_ASM_RELOC_RW_MASK): New.
2771         * config/ia64/ia64.c (ia64_rwreloc_select_section,
2772         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
2773         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
2774         (TARGET_RWRELOC): Remove.
2775         (ia64_section_type_flags): Adjust call to default_section_type_flags.
2776         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
2777         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
2778         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
2779         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
2780         (rs6000_xcoff_select_section): Use decl_readonly_section.
2781         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
2782         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
2783         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
2784         (TARGET_SECTION_TYPE_FLAGS): Remove.
2785         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
2786
2787 2007-03-09  Roger Sayle  <roger@eyesopen.com>
2788
2789         * fold-const.c (fold_comparison): Remove compile-time evaluation of
2790         complex constant equality/inequality comparisons for here.
2791         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
2792         known at compile-time or can be simplified to a scalar comparison.
2793         (fold_relational_const): Move compile-time evaluation of complex
2794         constant equality/inequality comparisons to here.
2795
2796 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2797
2798         PR rtl-optimization/30643
2799         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
2800         dest_addr_elt.
2801         (fold_rtx): Recurse, like before 2006-11-03.
2802
2803 2007-03-09  DJ Delorie  <dj@redhat.com>
2804
2805         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
2806         m32c-pragma.o.
2807
2808 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
2809
2810         PR tree-optimization/30375
2811         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
2812         LHS of statements is not the same.
2813         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
2814
2815 2007-03-09  Chao-ying Fu  <fu@mips.com>
2816
2817         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
2818         REV 2.
2819         * doc/invoke.texi (-mdspr2): Document new option.
2820         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
2821         New unspec for DSP REV 2.
2822         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
2823         these instructions are extended in DSP REV 2.
2824         (mips-dspr2.md): Include.
2825         * config/mips/mips.opt (mdspr2): New option.
2826         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
2827         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
2828         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
2829         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
2830         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
2831         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
2832         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
2833         and 2 builtins.
2834         (bdesc_map): Add one field of unsupported_target_flags.
2835         (bdesc_arrays):  Update entries to have extra fields.  Add
2836         dsp_32only_bdesc.
2837         (mips_init_builtins): Initialize new function types.
2838         Check unsupported_target_fileds to filter out builtins.
2839         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
2840         TARGET_DSPR2.
2841         (ASM_SPEC): Pass mdspr2 to the assembler.
2842         * config/mips/mips-dspr2.md: New file.
2843
2844 2007-03-09  Sa Liu  <saliu@de.ibm.com>
2845
2846         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
2847
2848 2007-03-09  Ian Lance Taylor  <iant@google.com>
2849
2850         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
2851         argument) like -Wstrict-overflow=2.
2852         * doc/invoke.texi (Warning Options): Update documentation.
2853
2854 2007-03-09  Dirk Mueller  <dmueller@suse.de>
2855
2856         PR c++/17946
2857         * doc/invoke.texi (-Wlogical-op): Document.
2858         * common.opt (-Wlogical-op): New.
2859         * c-common.h (warn_logical_operator): Declare.
2860         * c-common.c (warn_logical_operator): Define.
2861         * c-typeck.c (parser_build_binary_op): Call
2862         warn_logical_operator.
2863
2864 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2865
2866         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
2867         * final.c (final_scan_insn): Test for non-"" file name.
2868
2869 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
2870
2871         * doc/loop.texi: Document the Omega linear constraints solver.
2872         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
2873         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
2874         omega-hash-table-size, omega-max-keys, and
2875         omega-eliminate-redundant-constraints.
2876         * tree-pass.h (pass_check_data_deps): Declared.
2877         * omega.c: New.
2878         * omega.h: New.
2879         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
2880         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
2881         pass_check_data_deps): New.
2882         * tree-data-ref.c (init_data_ref): Remove declaration.
2883         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
2884         (analyze_array): Renamed init_array_ref, move up initializations.
2885         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
2886         Removed arguments that are set to NULL.
2887         (analyze_indirect_ref): Correct indentation, correct call to
2888         init_pointer_ref.
2889         (object_analysis): Call init_array_ref instead of analyze_array.
2890         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
2891         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
2892         of DR_ACCESS_FNS_ADDR.
2893         (init_omega_eq_with_af, omega_extract_distance_vectors,
2894         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
2895         ddr_consistent_p): New.
2896         (compute_affine_dependence): Check consistency of ddrs when
2897         flag_check_data_deps is passed.
2898         (analyze_all_data_dependences): Uncomment.
2899         (tree_check_data_deps): New.
2900         * tree-data-ref.h: Include omega.h.
2901         (DR_ACCESS_FNS_ADDR): Removed.
2902         (data_dependence_relation): Add inner_loop.
2903         (DDR_INNER_LOOP): New.
2904         * common.opt (fcheck-data-deps): New.
2905         * tree-flow.h (tree_check_data_deps): Declare.
2906         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
2907         (OBJS-common): Depend on omega.o.
2908         (omega.o): Define.
2909         * passes.c (pass_check_data_deps): Scheduled.
2910         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
2911         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
2912         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
2913         PARAM_VECT_MAX_VERSION_CHECKS,
2914         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
2915
2916 2007-03-09  Richard Guenther  <rguenther@suse.de>
2917
2918         PR tree-optimization/30904
2919         PR middle-end/31058
2920         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
2921         the same way as *_DIV_EXPR.
2922
2923 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2924
2925         * recog.c (decode_asm_operands): No mixed declarations and code.
2926
2927 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2928
2929         * rtl.def (ASM_INPUT): Add location.
2930         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
2931         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
2932         (decode_asm_operands): Add loc operand.
2933         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
2934         * stmt.c (expand_asm): Rename to...
2935         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
2936         gen_rtx_ASM_INPUT_loc.
2937         (expand_asm_expr): Adjust.
2938         * recog.c (decode_asm_operands): Add loc operand.
2939         (check_asm_operands, extract_insn): Adjust.
2940         * reload1.c (maybe_fix_stack_asms): Likewise.
2941         * final.c (asm_insn_count): Likewise.
2942         (final_scan_insn): Output # line before and after asm.
2943
2944 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
2945
2946         * tree-ssa-structalias.c (variable_info): Remove
2947         finished_solution.
2948         (new_var_info): Ditto.
2949         (shared_bitmap_info_t): New structure.
2950         (shared_bitmap_table): New variable.
2951         (shared_bitmap_hash): New function.
2952         (shared_bitmap_eq): Ditto
2953         (shared_bitmap_lookup): Ditto.
2954         (shared_bitmap_add): Ditto.
2955         (merge_smts_into): Change to take bitmap directly.
2956         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
2957         (init_alias_vars): Init shared bitmap hashtable.
2958         (delete_points_to_sets): Delete shared bitmap hashtable.
2959         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
2960         is_aliased removal as a change that was still necessary was
2961         deleted.
2962
2963 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
2964
2965         * config/i386/i386.h (override_options): Conditionally disable
2966         x86_sahf for 64bit targets only.
2967
2968 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2969
2970         PR C/31072
2971         * c-decl.c (merge_decls): Don't call make_var_volatile.
2972         * varasm.c (make_var_volatile): Remove.
2973         * output.h (make_var_volatile): Remove.
2974
2975 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
2976
2977         PR tree-optimization/31085
2978         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
2979
2980 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2981
2982         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
2983         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
2984         ATTR_CONST_NOTHROW_LIST.
2985
2986         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
2987         FIX_TRUNC_EXPR.
2988
2989 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
2990
2991         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
2992
2993 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
2994
2995         PR 31013
2996         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
2997         is declared.
2998         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
2999         passed, use shared libgcc.
3000
3001 2007-03-08  Roger Sayle  <roger@eyesopen.com>
3002
3003         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
3004         instead of calling build2 with a GIMPLE_MODIFY_STMT.
3005         (honor_protect_cleanup_actions, lower_try_finally_switch):
3006         Likewise.
3007         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
3008         ifc_temp_var): Likewise.
3009         * tree-inline.c (setup_one_parameter): Likewise.
3010         * tree-mudflap.c (mf_decl_cache_locals,
3011         mf_build_check_statement_for): Likewise.
3012         * tree-nested.c (init_tmp_var, save_tmp_var,
3013         finalize_nesting_tree_1): Likewise.
3014         * tree-outof-ssa.c (insert_copy_on_edge,
3015         insert_backedge_copies): Likewise.
3016         * tree-profile.c (tree_gen_edge_profiler,
3017         tree_gen_ic_profiler): Likewise.
3018         * tree-scalar-evolution.c (scev_const_prop): Likewise.
3019         * tree-sra.c (sra_build_assignment): Likewise.
3020         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
3021         * tree-ssa-math-opts.c (insert_reciprocals,
3022         execute_cse_sincos_1): Likewise.
3023         * tree-tailcall.c (adjust_accumulator_values,
3024         adjust_return_value): Likewise.
3025         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
3026         * tree-vect-transform.c (vect_create_data_ref_ptr,
3027         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
3028         vect_create_epilog_for_reduction, vectorizable_reduction,
3029         vectorizable_call, vectorizable_conversion,
3030         vectorizable_assignment, vectorizable_operation,
3031         vectorizable_type_demotion, vect_gen_widened_results_half,
3032         vect_permute_store_chain, vectorizable_store,
3033         vect_setup_realignment, vect_permute_load_chain,
3034         vectorizable_load, vectorizable_condition,
3035         vect_create_cond_for_align_checks): Likewise.
3036         * tree-vrp.c (build_assert_expr_for): Likewise.
3037
3038 2007-03-08  Ian Lance Taylor  <iant@google.com>
3039
3040         * tree-vrp.c: Include "intl.h".
3041         (usable_range_p): New static function.
3042         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
3043         overflowed values, juts set *strict_overflow_p.
3044         (compare_values): Only return -2 if one of the operands is not a
3045         constant.
3046         (compare_ranges): Call usable_range_p.
3047         (compare_range_with_value): Likewise.
3048         (vrp_evaluate_conditional_warnv): Rename from
3049         vrp_evaluate_conditional.  Make static.  Change all callers.
3050         (vrp_evaluate_conditional): New function.
3051         (simplify_div_or_mod_using_ranges): Issue warning about reliance
3052         on signed overflow.
3053         (simplify_abs_using_ranges): Likewise.
3054         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
3055         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
3056         within_stmt parameter.
3057         * tree-ssa-propagate.c (fold_predicate_in): Update call to
3058         vrp_evaluate_conditional.
3059         * tree-ssa-threadedge.c
3060         (record_temporary_equivalences_from_stmts_at_dest): Change
3061         simplify parameter to take a second tree parameter.
3062         (simplify_control_stmt_condition): Likewise.
3063         (thread_across_edge): Likewise.
3064         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
3065         (thread_across_edge): Likewise.
3066         * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
3067
3068 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
3069
3070         * config/i386/i386.h (TARGET_SAHF): New define.
3071         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
3072         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
3073         (x86_sahf): New global variable.
3074         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
3075         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
3076         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
3077         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
3078         for 64-bit.
3079         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
3080         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
3081         when expanding fcomi/sahf based tests.
3082         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
3083         expanding sahf based alternative. Emit sahf based sequence when
3084         optimizing for code size.
3085         * config/i386/i386.md (x86_sahf_1): Do not disable for
3086         TARGET_64BIT, enable for TARGET_SAHF.
3087
3088 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
3089
3090         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
3091         spurious whitespace from error message.
3092
3093 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
3094
3095         PR c++/30852
3096         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
3097
3098 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
3099
3100         * c-decl.c (grokdeclarator): Disable warnings for anonymous
3101         bitfields.
3102         * tree-sra.c (instantiate_element): Propagate disabled warnings
3103         from the element itself to the created variable.
3104
3105 2007-03-07  Richard Henderson  <rth@redhat.com>
3106
3107         PR target/30848
3108         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
3109         silently fix up the stack in the case of a missing register.
3110
3111 2007-03-07  Paul Brook  <paul@codesourcery.com>
3112
3113         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
3114
3115 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
3116
3117         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
3118         New.
3119         (phase1_vrs): Use them.
3120         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
3121         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
3122         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
3123         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
3124         __gnu_Unwind_Restore_WMMXC if required.
3125         (_Unwind_VRS_Pop): Implement iWMMXt support.
3126         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
3127         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
3128         gnu_Unwind_Save_WMMXC): Define.
3129
3130 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
3131
3132         * config/vxworks.h (vxworks_override_options): Declare.
3133         (VXWORKS_OVERRIDE_OPTIONS): Use it.
3134         * config/vxworks.c: Include target.h and toplev.h.
3135         (vxworks_override_options): New function.
3136         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
3137
3138 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
3139
3140         * config/s390/s390.c (override_options): Don't emit an error when
3141         -mstack-size is used without providing -mstack-guard.
3142         (s390_emit_prologue): Choose stack_guard value automatically if not
3143         provided via command line.
3144         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
3145
3146 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
3147
3148         * config/i386/i386.c (output_set_got): Add a GOT initialization
3149         sequence for VxWorks PIC.
3150         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
3151         around labels as well as symbols.  Use gotoff_operand instead
3152         of local_symbolic_operand.
3153         (legitimize_pic_address): Use gotoff_operand instead of
3154         local_symbolic_operand.  Use @GOT accesses for labels as
3155         well as symbols.
3156         (ix86_output_addr_diff_elt): Use PC-relative rather than
3157         GP-relative offsets for VxWorks PIC.
3158         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
3159         no_new_pseudos.  Check whether the returned register is op0.
3160         * config/i386/i386.md (tablejump): Use PC-relative rather than
3161         GP-relative offsets for VxWorks PIC.
3162         * config/i386/predicates.md (gotoff_operand): New predicate.
3163
3164 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3165
3166         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
3167         before defining.
3168         * config/vxworks-dummy.h: New file.
3169         * config/i386/i386.h: Include it.
3170
3171 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
3172
3173         * dwarf2out.c (is_inlined_entry_point): New
3174         (add_high_low_attributes): Emit DW_AT_entry_pc along with
3175         DW_AT_ranges if the first subblock is the entry point.
3176
3177 2007-03-06  David Daney  <ddaney@avtrex.com>
3178
3179         * doc/install.texi (mips-*-*): Change recommended binutils
3180         version.
3181
3182 2007-03-06  Anatoly Sokolov <aesok@post.ru>
3183
3184         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
3185         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
3186         devices.
3187         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3188         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3189
3190 2007-03-06  Jan Hubicka  <jh@suse.cz>
3191
3192         * errors.h (warning, error, fatal, internal_error): Mark as cold.
3193         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
3194         are hot.
3195         (probably_cold_bb_p): Cold functions are cold.
3196         (probably_never_executed_bb_p): Cold functions are cold.
3197         (tree_bb_level_predictions): Predict calls to cold functions as not
3198         taken.
3199         (compute_function_frequency): Check hot/cold attributes.
3200         * function.h (function_frequency): Update comments.
3201         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
3202         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
3203         (c_common_att): Add cold and hot.
3204
3205         * doc/extend.texi (hot,cold attributes): Document.
3206
3207 2007-03-06  Andrew Haley  <aph@redhat.com>
3208
3209         * function.c (expand_function_end): Move blockage to just after we
3210         emit the label for the naked return from the function.
3211
3212 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3213
3214         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
3215         before redefining.
3216
3217 2007-03-06  Jan Hubicka  <jh@suse.cz>
3218
3219         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
3220         loaded for constant large models.  Non-large 64bit PIC can do.
3221         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
3222         * cmodel.h: Add LARGE PIC.
3223         * i386.md (UNSPEC_PLTOFF): New.
3224         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
3225         needed.
3226         (*call_1_rex64): Disable for large models.
3227         (*call_1_rex64_large): New.
3228         (*call_value_1_rex64): Disable for large models.
3229         (*call_value_1_rex64_large): New.
3230         (set_rip_rex4): New.
3231         (set_got_offset_rex64): New.
3232         * predicates.md (constant_call_address_operand): For large model
3233         constant calls are not possible.
3234         * i386-protos.h (construct_plt_address): Declare.
3235         * i386.c (override_options): Accept large models.
3236         (ix86_expand_prologue): Expand large PIC GOT pointer load.
3237         (legitimate_constant_p): Add new UNSPECs.
3238         (legitimate_pic_operand_p): Likewise.
3239         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
3240         (legitimize_pic_address): Do easy RIP relative way for TLS only for
3241         non-large model.
3242         (output_pic_addr_const): Add PLTOFF.
3243         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
3244         (ix86_expand_move): Legitimize pic address when in PIC mode.
3245         (construct_plt_address): New function.
3246         (ix86_expand_call): Offload the address to register and use GOT pointer
3247         for large model.
3248         * invoke.texi (mcmodel=large): Update documentation.
3249
3250 2007-03-06  Richard Henderson  <rth@redhat.com>
3251
3252         * config/i386/i386.c (x86_use_leave, x86_push_memory,
3253         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
3254         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
3255         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
3256         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
3257         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
3258         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
3259         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
3260         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
3261         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3262         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3263         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
3264         x86_sse_partial_reg_dependency, x86_sse_split_regs,
3265         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
3266         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
3267         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
3268         x86_schedule, x86_use_bt, x86_pad_returns,
3269         x86_use_xchgb): Merge into ...
3270         (ix86_tune_features): ... here.  New array.
3271         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
3272         x86_bswap): Merge into ...
3273         (ix86_arch_features): ... here.  New array.
3274         (x86_3dnow_a): Remove.
3275         (x86_accumulate_outgoing_args): Make static.
3276         (x86_arch_always_fancy_math_387): Make static.
3277         (ix86_tune_mask, ix86_arch_mask): Move ...
3278         (override_options): ... to local variables here.  Apply the
3279         appropriate mask to each element of ix86_arch_features and
3280         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
3281         as were done in the old macros.
3282         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
3283         * config/i386/i386.h (x86_use_leave, x86_push_memory,
3284         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
3285         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
3286         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
3287         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
3288         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
3289         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
3290         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
3291         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
3292         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
3293         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3294         x86_accumulate_outgoing_args, x86_prologue_using_move,
3295         x86_epilogue_using_move, x86_decompose_lea,
3296         x86_arch_always_fancy_math_387, x86_shift1,
3297         x86_sse_partial_reg_dependency, x86_sse_split_regs,
3298         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
3299         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
3300         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
3301         x86_use_incdec, x86_pad_returns, x86_bswap,
3302         x86_partial_flag_reg_stall): Remove.
3303         (enum ix86_tune_indices): New.
3304         (ix86_tune_features): New.
3305         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
3306         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
3307         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
3308         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
3309         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
3310         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
3311         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
3312         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
3313         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
3314         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
3315         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
3316         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
3317         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
3318         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
3319         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
3320         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
3321         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
3322         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
3323         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
3324         TARGET_EXT_80387_CONSTANTS): Use it.
3325         (enum ix86_arch_indices): New.
3326         (ix86_arch_features): New.
3327         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
3328         TARGET_BSWAP): Use it.
3329         (ix86_tune_mask, ix86_arch_mask): Remove.
3330
3331 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
3332
3333         PR bootstrap/31020
3334         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
3335         Define using $${sysroot_headers_suffix}.
3336         * configure: Regenerate.
3337         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
3338         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
3339         defined.
3340         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
3341         * gcc.c (print_sysroot_headers_suffix): New.
3342         (option_map): Include --print-sysroot-headers-suffix.
3343         (display_help): Mention -print-sysroot-headers-suffix.
3344         (process_command): Handle -print-sysroot-headers-suffix.
3345         (do_spec_1): Append multilib directory to include-fixed path if
3346         sysroot suffixes in use.
3347         (main): Handle -print-sysroot-headers-suffix.
3348         * Makefile.in (start.encap): Don't depend on xlimits.h
3349         (xlimits.h): Remove.
3350         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
3351         limits.h for each multilib in fixinc_list.
3352         (fixinc_list, s-fixinc_list): New.
3353         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
3354         generate them for each multilib in fixinc_list.
3355         (stmp-fixproto): Use include-fixed.  Run fixproto for each
3356         multilib in fixinc_list.
3357         (mostlyclean): Don't remove xlimits.h.
3358         (clean): Remove include-fixed.
3359         (real-install-headers-tar, real-install-headers-cpio,
3360         real-install-headers-cp): Don't copy include, only include-fixed.
3361         (install-mkheaders): Depend on fixinc_list.  Don't depend on
3362         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
3363         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
3364         SYSTEM_HEADER_DIR setting in mkheaders.conf.
3365
3366 2007-03-06  Jan Hubicka  <jh@suse.cz>
3367
3368         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
3369         NANs easilly.
3370
3371 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3372
3373         * configure.ac: Allow tm_file to contain build-directory files.
3374         * configure: Regenerate.
3375         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
3376         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
3377         * config/m68k/print-sysroot-suffix.sh: New file.
3378
3379 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3380
3381         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
3382         of pic_offset_table_rtx if reload_completed.
3383         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
3384         PIC_OFFSET_TABLE_REGNUM.
3385         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
3386         return true.
3387         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
3388         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
3389
3390 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3391
3392         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
3393         functions that call eh_return.
3394
3395 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3396
3397         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
3398         functions that need a constant pool.
3399
3400 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3401
3402         PR target/28181
3403         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
3404         (m68k_preferred_reload_class): Likewise.
3405         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
3406         (SECONDARY_RELOAD_CLASS): Define.
3407         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
3408         (LIMIT_RELOAD_CLASS): Delete.
3409         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
3410         registers from storing bytes.
3411         (m68k_secondary_reload_class): New function.
3412         (m68k_preferred_reload_class): Likewise.
3413
3414 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3415
3416         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
3417         leaf functions.
3418         (m68k_expand_prologue): Likewise.
3419
3420 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3421
3422         * config/m68k/m68k-protos.h (output_sibcall): Declare.
3423         (mips_expand_epilogue): Add a bool parameter.
3424         (m68k_legitimize_sibcall_address): Declare.
3425         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
3426         (m68k_expand_epilogue): Add a parameter to select between sibling
3427         and normal epilogues.  Only generate a return for the latter.
3428         (m68k_ok_for_sibcall_p): New function.
3429         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
3430         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
3431         (sibcall_value, *sibcall_value): Likewise.
3432         (*call, *call_value): Require !SIBLING_CALL_P.
3433         (epilogue): Update call to m68k_expand_epilogue.
3434         (sibcall_epilogue): New pattern.
3435         * config/m68k/predicates.md (const_call_operand): Say that this
3436         predicate applies to sibling calls too.
3437         (sibcall_operand): New predicate.
3438
3439 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3440
3441         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
3442         alternatives as movsi_cf.
3443         (movsf_cf_hard): Add commentary.
3444
3445 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
3446             Richard Sandiford  <richard@codesourcery.com>
3447
3448         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
3449         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
3450         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
3451         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
3452         as being live on exit from an interrupt function.
3453         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
3454         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
3455         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
3456         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
3457         (m68k_interrupt_function_p): Globalize.
3458         (m68k_compute_frame_layout): Remove reverse mask code.
3459         (m68k_emit_movem, m68k_set_frame_related): New functions.
3460         (m68k_output_function_prologue): Delete in favor of...
3461         (m68k_expand_prologue): ...this new function.
3462         (m68k_output_function_epilogue): Delete in favor of...
3463         (m68k_expand_epilogue): ...this new function.
3464         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
3465         functions.
3466         (print_operand): Handle %?.
3467         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
3468         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
3469         (prologue, epilogue): New patterns.
3470         (return): Turn into a define_expand.
3471         (*return): New pattern, derived from old "return" pattern.  Use rte
3472         rather than rts for interrupt functions.  Only use rtd if the pop
3473         count is nonzero.
3474         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
3475         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
3476         (link, *link, unlink, *unlink, load_got): Likewise.
3477
3478 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3479
3480         PR target/23482
3481         PR target/17114
3482         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
3483         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
3484         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
3485         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
3486         and m68k_matches_u_p.
3487         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
3488         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
3489         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
3490         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
3491         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
3492         (REG_STRICT_P): New macro.
3493         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
3494         PCREL_GENERAL_OPERAND_OK.
3495         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
3496         m68k_legitimate_base_reg_p.
3497         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
3498         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
3499         (PIC_CASE_VECTOR_ADDRESS): Update comment.
3500         * config/m68k/m68k.c (m68k_address): New structure.
3501         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
3502         (m68k_decompose_index, m68k_legitimate_constant_address_p)
3503         (m68k_jump_table_ref_p, m68k_decompose_address)
3504         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
3505         (m68k_matches_u_p): New functions.
3506         (print_operand_address): Rewrite to use m68k_decompose_index.
3507
3508 2007-03-05  David Taylor  <dtaylor@emc.com>
3509
3510         * gcc.c: Correct copyright date in --version output.
3511
3512 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3513
3514         * pa.md: In unamed move patterns, disparge copies between general
3515         and floating point registers using '?' modifier.  Don't include 'f'
3516         constraint for register preferences in DImode, SImode, HImode and
3517         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
3518         Remove constraints for copies between general and floating registers
3519         in soft-float DFmode pattern.
3520         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
3521         floating register.
3522         (movsf): Likewise.
3523
3524 2007-03-05  Mike Stump  <mrs@apple.com>
3525
3526         * c-common.c (targetcm): Add.
3527         * c-opts.c (c_common_handle_option): Handle language specific
3528         target options.
3529         * opts.c (handle_option): Verify language for target options, if
3530         any are given.
3531         * opth-gen.awk: Add CL_LANG_ALL.
3532         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
3533         (TARGETCM_INITIALIZER): Add.
3534         * target.h (struct gcc_targetcm): Add.
3535         (targetcm): Add.
3536         * targhooks.c (default_handle_c_option): Add.
3537         * targhooks.h (default_handle_c_option): Add.
3538         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
3539
3540         * config/darwin.opt (iframework): Add.
3541         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
3542         * config/darwin-c.c (handle_c_option): Add.
3543         (TARGET_HANDLE_C_OPTION): Add.
3544         (targetcm): Add.
3545         * doc/invoke.texi (Darwin Options): Add -iframework.
3546
3547 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3548
3549         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
3550         conversion.
3551
3552 2007-03-05  Ian Lance Taylor  <iant@google.com>
3553
3554         * c.opt (fgnu89-inline): New option.
3555         * c-opts.c (c_common_post_options): Set default value for
3556         flag_gnu89_inline.
3557         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
3558         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
3559         inline functions.
3560         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
3561         (grokdeclarator, start_function): Likewise.
3562         * c-cppbuiltin.c (c_cpp_builtins): Define either
3563         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
3564         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
3565         (C Dialect Options): Document -fgnu89-inline.
3566         * doc/extend.texi (Function Attributes): Explain what the
3567         gnu_inline attribute does.
3568         * doc/cpp.texi (Common Predefined Macros): Document
3569         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
3570
3571 2007-03-05  Ian Lance Taylor  <iant@google.com>
3572
3573         PR tree-optimization/31034
3574         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
3575         half-range if the other side is an overflow infinity.
3576
3577 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3578
3579         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
3580         (bfin*-linux-uclibc*): New configuration.
3581         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
3582         defining.
3583         * config/bfin/linux.h: New file.
3584         * config/bfin/libgcc-bfin.ver: New file.
3585         * config/bfin/t-bfin-uclinux: New file.
3586         * config/bfin/t-bfin-linux: New file.
3587         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
3588         (TARGET_OS_CPP_BUILTINS): New macro.
3589
3590 2007-03-05  Richard Guenther  <rguenther@suse.de>
3591
3592         * fold-const.c (fold_binary): Remove duplicate folding
3593         of comparison of non-null ADDR_EXPR against null.
3594
3595 2007-03-05  Richard Guenther  <rguenther@suse.de>
3596             Dorit Nuzman  <dorit@il.ibm.com>
3597
3598         PR tree-optimization/26420
3599         * tree-vectorizer.c (vectorize_loops): Bail out early if there
3600         are no loops in the function.  Only print the number of
3601         vectorized loops if it is greater than zero or we are supposed
3602         to print information about unvectorized loops.
3603
3604 2007-03-05  Revital Eres  <eres@il.ibm.com>
3605
3606         * gcc.dg/var-expand1.c: New test.
3607         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
3608         when an accumulator is expanded.
3609
3610 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3611
3612         PR other/30465
3613         * c-common.c (convert_and_check): Don't give warnings for
3614         conversion if 'expr' already overflowed.
3615
3616 2007-03-04  Roger Sayle  <roger@eyesopen.com>
3617
3618         PR middle-end/30744
3619         * fold-const.c (fold_comparison): Enforce type consistency when
3620         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
3621
3622 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
3623
3624         * tree-ssa-address.c (create_mem_ref): Do not put an expression
3625         containing a cast to the base of TARGET_MEM_REF.
3626
3627 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
3628
3629         * tree.c (tree_contains_struct_check_failed): Remove spurious
3630         whitespace from error message.
3631
3632 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
3633
3634         PR target/30406
3635         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
3636         instead of precision.
3637
3638 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
3639             Nathan Sidwell  <nathan@codesourcery.com>
3640
3641         * emit-rtl.c (find_auto_inc): New.
3642         (try_split): recreate REG_INC notes,
3643         Use regular for loops rather than whiles.
3644
3645 2007-03-03  Andreas Schwab  <schwab@suse.de>
3646
3647         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
3648         * configure: Regenerate.
3649
3650 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3651
3652         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
3653         flag_rounding_math, not flag_unsafe_math_optimizations.
3654
3655         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
3656         fold_build2.
3657         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
3658         alpha_fold_vector_minmax): Likewise.
3659         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
3660         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
3661
3662 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
3663
3664         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
3665         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
3666         if the lhs has side-effects.
3667         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
3668
3669 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3670
3671         * config/i386/i386.h (TUNEMASK): Remove define.
3672         (ARCHMASK): Remove define.
3673         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
3674          Use ix86_arch_mask variable instead of ARCHMASK.
3675         * config/i386/i386.c (override_options): Ditto.
3676         (standard_80387_constant_p): Ditto.
3677
3678 2007-03-02  Ian Lance Taylor  <iant@google.com>
3679
3680         Used signed infinities in VRP.
3681         * tree-vrp.c (uses_overflow_infinity): New static function.
3682         (supports_overflow_infinity): New static function.
3683         (make_overflow_infinity): New static function.
3684         (negative_overflow_infinity): New static function.
3685         (positive_overflow_infinity): New static function.
3686         (is_negative_overflow_infinity): New static function.
3687         (is_positive_overflow_infinity): New static function.
3688         (is_overflow_infinity): New static function.
3689         (overflow_infinity_range_p): New static function.
3690         (compare_values_warnv): New function split out of compare_values.
3691         (compare_value): Call it.
3692         (set_value_range_to_nonnegative): Add overflow_infinity
3693         parameter.  Change caller.
3694         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
3695         Change callers.
3696         (vrp_expr_computes_nonzero): Likewise.
3697         (compare_ranges, compare_range_with_value): Likewise.
3698         (compare_name_with_value, compare_names): Likewise.
3699         (vrp_evaluate_conditional): Likewise.
3700         (set_value_range): Handle infinity
3701         (vrp_operand_equal_p, operand_less_p): Likewise.
3702         (extract_range_from_assert): Likewise.
3703         (vrp_int_const_binop): Likewise.
3704         (extract_range_from_binary_expr): Likewise.
3705         (extract_range_from_unary_expr): Likewise.
3706         (extract_range_from_comparison): Likewise.
3707         (extract_range_from_expr): Likewise.
3708         (dump_value_range): Likewise.
3709         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
3710         (test_for_singularity): Likewise.
3711         (vrp_int_const_binop): Remove inline qualifier.
3712         (adjust_range_with_scev): Add comment.
3713         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
3714
3715 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
3716
3717         * tree-ssa-structalias.c (could_have_pointers): Tidy.
3718         (get_constraint_for): Likewise.
3719         (do_structure_copy): Likewise.
3720         (find_func_aliases): Fix references to MODIFY_EXPR.
3721         (intra_create_variable_infos): Tidy.
3722         * tree-ssa-operands.c (add_virtual_operand): Add argument
3723         IS_CALL_SITE.
3724         When adding members of alias sets, if IS_CALL_SITE is true and
3725         the symbol is not call-clobbered, skip it.
3726         Adjust all callers.
3727
3728 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
3729
3730         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
3731         entry by means of emit_insn_at_entry.
3732
3733 2007-03-02  Richard Henderson  <rth@redhat.com>
3734
3735         * expr.h (promoted_input_arg): Remove decl.
3736         * function.c (promoted_input_arg): Merge into ...
3737         * combine.c (setup_incoming_promotions): ... only caller.
3738         Rearrange to avoid double loop.
3739
3740 2007-03-02  Ben Elliston  <bje@au.ibm.com>
3741             Peter Bergner  <bergner@vnet.ibm.com>
3742             Janis Johnson  <janis187@us.ibm.com>
3743
3744         * config/rs6000/dfp.md: New file.
3745         * config/rs6000/rs6000.md: Include dfp.md.
3746         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
3747         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
3748         and TDmode decimal float modes in FP registers.
3749         (num_insns_constant): Likewise.
3750         (rs6000_legitimate_offset_address_p): Likewise.
3751         (rs6000_legitimize_address): Likewise.
3752         (rs6000_legitimize_reload_address): Likewise.
3753         (rs6000_legitimate_address): Likewise.
3754         (rs6000_emit_move): Likewise.
3755         (function_arg_boundary): Likewise.
3756         (function_arg_advance): Likewise.
3757         (rs6000_darwin64_record_arg_recurse): Likewise.
3758         (function_arg): Likewise.
3759         (rs6000_gimplify_va_arg): Likewise.
3760         (rs6000_split_multireg_move): Likewise.
3761         (rs6000_output_function_epilogue): Likewise.
3762         (rs6000_output_function_epilogue): Likewise.
3763         (rs6000_register_move_cost): Likewise.
3764         (rs6000_function_value): Likewise.
3765         (rs6000_libcall_value): Likewise.
3766
3767 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
3768
3769         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
3770
3771 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
3772
3773         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
3774         Use $MULTIDIR to choose between the kernel and RTP headers,
3775         and use $WIND_BASE and $WIND_USR to locate them.
3776
3777 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3778
3779         * config/i386/i386.c (override_options): Put initialization of
3780         ix86_tune_mask and ix86_arch_mask to the correct place.
3781
3782 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3783             Michael Meissner  <michael.meissner@amd.com>
3784
3785         PR target/31019
3786         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
3787         (ARCHMASK): Define.
3788         (TARGET_CMOVE): Use ARCHMASK.
3789         (TARGET_CMPXCHG): Ditto.
3790         (TARGET_CMPXCHG8B): Ditto.
3791         (TARGET_XADD): Ditto.
3792         (TARGET_BSWAP): Ditto.
3793         * config/i386/i386.c (ix86_tune_mask): New global variable.
3794         (ix86_arch_mask): Ditto.
3795         (override_options): Initialize ix86_tune_mask and
3796         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
3797         target_flags.
3798
3799 2007-03-02  Ben Elliston  <bje@au.ibm.com>
3800
3801         PR 30992
3802         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
3803
3804 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
3805
3806         * target.h (init_dwarf_reg_sizes_extra): New target hook.
3807         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
3808         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
3809         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
3810         hook.
3811         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
3812         rs6000_init_dwarf_reg_sizes_extra): New.
3813         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
3814         SPE register high parts.
3815
3816 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
3817
3818         * Makefile.in: Add install-pdf target as
3819         copied from automake v1.10 rules.
3820         * configure.ac: Add install-pdf to target list.
3821         * configure: Regenerate.
3822
3823 2007-03-01  Paul Brook  <paul@codesourcery.com>
3824
3825         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
3826         modes to LDRD for DImode.
3827         (output_move_double): Fixup out of range ldrd/strd.
3828         (vfp_secondary_reload_class): Rename...
3829         (coproc_secondary_reload_class): ... to this.  Add wb argument.
3830         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
3831         coproc_secondary_reload_class for CLASS_IWMMXT.
3832         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
3833         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
3834
3835 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
3836
3837         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
3838         factor by the estimated number of iterations.
3839         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
3840         prefetch latency.
3841
3842         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
3843         decode_caches_intel, detect_caches_intel): New functions.
3844         (host_detect_local_cpu): Use detect_caches_amd and
3845         detect_caches_intel.
3846
3847 2007-03-01  Richard Henderson  <rth@redhat.com>
3848
3849         * expr.c (emit_move_complex_push): Export.
3850         (emit_move_complex_parts): Split out from ...
3851         (emit_move_complex): ... here.
3852         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
3853         * config/i386/i386.md (movcdi): New.
3854
3855 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
3856
3857         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
3858         size of mode1 to check for tieable modes in MMX case.
3859
3860 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
3861
3862         * Makefile.in (rtlanal.o): Depend on tree.h.
3863         * rtl.h (offset_within_section_p, split_const): Declare.
3864         * rtlanal.c: Include tree.h.
3865         (offset_within_block_p): New function, taken from
3866         mips_offset_within_object_p.
3867         (split_const): New function, taken from mips_split_const.
3868         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
3869         Declare.
3870         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
3871         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
3872         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
3873         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
3874         (m68k_illegitimate_symbolic_constant_p): New function.
3875         * config/m68k/m68k.md (movsi): Remove misleading predicates.
3876         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
3877         symbolic constant that might be outside the symbol's section,
3878         move the symbol first and then add the offset.
3879         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
3880         Override.
3881         * config/mips/mips.c (mips_split_const): Delete.
3882         (mips_offset_within_object_p): Delete.
3883         (mips_symbolic_constant_p): Use offset_within_section_p and
3884         split_const instead of mips_offset_within_object_p and
3885         mips_split_const.
3886         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
3887         (mips_legitimize_const_move, print_operand_reloc)
3888         (mips_dangerous_for_la25_p): Use split_const instead of
3889         mips_split_const.
3890
3891 2007-02-28  Eric Christopher  <echristo@apple.com>
3892
3893         * Makefile.in (install-include-dir): Don't rm -rf include.
3894
3895 2007-02-28  Richard Guenther  <rguenther@suse.de>
3896
3897         PR middle-end/30364
3898         * fold-const.c (fold_binary): Do not associate expressions
3899         with more than one variable for integer types that do not wrap.
3900
3901 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
3902
3903         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
3904         Delete, and replace with...
3905         (fold_builtin_call_array): This.  Update callers to use it.
3906         * fold-const.c (fold_build_call_list): Delete, and replace with...
3907         (fold_build_call_array): This.
3908         (fold_build_call_list_initializer): Delete, and replace with...
3909         (fold_build_call_array_initializer): This.
3910         * tree.h: Update declarations to reflect above changes.
3911
3912         * c-typeck.c (build_function_call): Store converted arguments
3913         in a stack-allocated array instead of building a list.
3914         (convert_arguments): Store arguments in the array passed in as an
3915         argument, and return the actual number of arguments.
3916         * c-format.c: (check_function_format): Pass arguments in an
3917         array instead of a list.
3918         * c-common.c (check_function_nonnull): Likewise.
3919         (check_function_sentinel): Likewise.
3920         (check_function_arguments): Likewise.
3921         * c-common.h: Update declarations to reflect above changes.
3922
3923 2007-02-28  Jan Hubicka  <jh@suse.cz>
3924
3925         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
3926         PRED_NEGATIVE_RETURN): Update outcomes.
3927
3928 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
3929
3930         * calls.c (emit_library_call_value_1): Handle partial registers
3931         correctly when building up CALL_INSN_FUNCTION_USAGE.
3932
3933 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3934
3935         * pa/predicates.md (move_src_operand): Allow zero for mode.
3936         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
3937         move pattern.
3938
3939 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
3940
3941         PR target/30970
3942         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
3943         *movv2df_internal): Enable pattern only for valid operand
3944         combinations.
3945         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
3946         tie only 128bit modes. For MMX registers, tie only 64bit modes.
3947
3948 2007-02-27  Mike Stump  <mrs@apple.com>
3949
3950         * config/darwin-crt3.c: Avoid compilation when compiling for a
3951         kext multilib.
3952
3953 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
3954
3955         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
3956         FIXED_INCLUDE_DIR.
3957         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
3958         for fixed headers and limits.h.
3959         (install-include-dir, install-headers-tar, install-headers-cpio,
3960         install-headers-cp, real-install-headers-tar,
3961         real-install-headers-cpio, real-install-headers-cp): Handle
3962         include-fixed as well as include.
3963         (install-mkheaders): Don't install files that go only in include
3964         not include-fixed.
3965         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
3966         from GCC_INCLUDE_DIR.
3967         * gcc.c (process_command): Remove special -BstageN/ handling.
3968         (do_spec_1): Add include-fixed directories.
3969
3970 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3971
3972         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
3973         _smulsi3_highpart.
3974         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
3975         New functions.
3976         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
3977         patterns.
3978
3979 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
3980
3981         * c-common.c (get_priority): Add check for
3982         SUPPORTS_INIT_PRIORITY.
3983
3984 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3985
3986         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
3987
3988         * config/bfin/bfin.c: Include "cfglayout.h".
3989         (MAX_LSETUP_DISTANCE): New macro.
3990         (struct loop_info): New members incoming, incoming_src and
3991         incoming_dest.  Delete member predecessor.
3992         (length_for_loop): New function.
3993         (bfin_optimize_loop): Handle more different loop structures.
3994         (bfin_discover_loop): Rework detection of predecessor blocks by
3995         examining incoming edges.
3996         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
3997         bfin_reorg_loops.
3998         (bfin_reorder_loops): New function.
3999         (bfin_reorg_loops): Use these three new functions.
4000
4001         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
4002         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
4003         (CONSTRAINT_LEN): Add entry for 'q'.
4004         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
4005         Add 'q' constraints.
4006         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
4007         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
4008
4009         * config/bfin/bfin.md (add_with_carry): New pattern.
4010         (s_or_u, su_optab, su_modifier): New code macros/attrs.
4011         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
4012         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
4013         support unsigned multiplies too.  Removed incorrect commutativity from
4014         operand 1 constraint where appropriate.
4015         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
4016         patterns.
4017         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
4018         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
4019         New patterns.
4020         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
4021         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
4022         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
4023         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
4024         usmulhisi_hh_huh): New patterns.
4025
4026         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
4027         lshifthi3): Fix output template to use half reg for operand 2.
4028
4029         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
4030         instead of R2.
4031
4032         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
4033
4034 2007-02-27  Andreas Schwab  <schwab@suse.de>
4035
4036         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
4037
4038 2007-02-27  Jan Hubicka  <jh@suse.cz>
4039
4040         * predict.c (last_basic_block_p): Remove.
4041         (tree_estimate_probability): Update return heuristic for commonized
4042         return blocks.
4043
4044 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
4045
4046         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
4047
4048 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
4049
4050         * doc/include/gcc-common.texi (versionsubtitle): New macro.
4051         * doc/cpp.texi: Standardize title page.
4052         * doc/cppinternals.texi: Likewise.
4053         * doc/gcc.texi: Standardize title page, remove version number
4054         from copyright page.
4055         * doc/gccint.texi: Likewise.
4056         * doc/install.texi: Standardize title page, add table of
4057         contents.
4058
4059 2007-02-26  Jan Hubicka  <jh@suse.cz>
4060
4061         * predict.def: Set outcomes according to more recent results.
4062         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
4063         Remove dead predictors.
4064         * predict.c (return_prediction): Fix pasto.
4065
4066 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4067
4068         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
4069         change; avoid a memory leak when returning early.
4070
4071 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
4072
4073         * c-decl.c (static_ctors): Move to c-common.c.
4074         (static_dtors): Likewise.
4075         (finish_function): Use c_record_cdtor_fn.
4076         (build_cdtor): Move to c-common.c.
4077         (c_write_global_declarations): Use c_build_cdtor_fns.
4078         * c-common.h (static_ctors): Declare.
4079         (static_dtors): Likewise.
4080         (c_record_cdtor_fn): Likewise.
4081         (c_build_cdtor_fns): Likewise.
4082         * c-common.c (static_ctors): New variable.
4083         (static_dtors): Likewise.
4084         (c_record_cdtor_fn): New function.
4085         (build_cdtor): Move from c-decl.c
4086         (c_build_cdtor_fns): New function.
4087
4088         * output.h (assemble_addr_to_section): Declare.
4089         (get_cdtor_priority_section): Likewise.
4090         * varasm.c (assemble_addr_to_section): New function.
4091         (get_cdtor_priority_section): Likewise.
4092         (default_named_section_asm_out_destructor): Use them.
4093         (destor_dtor_section_asm_out_destructor): Likewise.
4094         (default_named_section_asm_out_constructor): Likewise.
4095         (default_ctor_section_asm_out_constructor): Likewise.
4096         * config.gcc (*-*-vxworks*): Include vxworks.o.
4097         * config/t-vxworks (vxworks.o): New target.
4098         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
4099         (TARGET_ASM_CONSTRUCTOR): Define.
4100         (TARGET_ASM_DESTRUCTOR): Likewise.
4101         (vxworks_asm_out_constructor): Declare.
4102         (vxworks_asm_out_destructor): Likewise.
4103
4104         * c-common.c (get_priority): Check that we have not just an
4105         INTEGER_CST, but an integer constant with integeral type.
4106
4107 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
4108
4109         PR tree-optimization/30938
4110         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
4111         use &dt[nargs-1] instead of &dt[nargs] in the call to
4112         vect_is_simple_use().
4113
4114 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
4115
4116         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
4117         from register elimination as PRE_MODIFY / POST_MODIFY increments.
4118         Do not attempt to handle MEM inside auto-inc expressions.
4119         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
4120         of a register modified by an auto-inc expression.  However, do handle
4121         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
4122         (elimination_effects): Prohibit elimination of a register modified
4123         by an auto-inc expression.  Disable register elimination rules whose
4124         target register is modified by an auto-inc expression with variable
4125         increment.
4126
4127 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
4128
4129         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
4130         off-by-one error.
4131         (array_at_struct_end_p): New function.
4132         (idx_infer_loop_bounds): Use it.
4133         (estimate_numbers_of_iterations_loop): Export.
4134         * predict.c (predict_loops): Use estimated_loop_iterations_int.
4135         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
4136         (tree_estimate_probability): Call record_loop_exits.
4137         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
4138         (estimated_loop_iterations, estimated_loop_iterations_int,
4139         estimated_loop_iterations_tree): New functions.
4140         (analyze_siv_subscript_cst_affine,
4141         compute_overlap_steps_for_affine_1_2,
4142         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
4143         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
4144         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
4145         (PRED_LOOP_ITERATIONS_GUESSED): New.
4146         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
4147         * cfgloop.h (estimate_numbers_of_iterations_loop,
4148         estimated_loop_iterations_int): Declare.
4149
4150 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
4151
4152         * doc/extend.texi: Document optional priority argument to
4153         constructors and destructors.
4154         * tree.c (init_priority_for_decl): Adjust GTY markers.
4155         (init_ttree): Use priority-info hash functions for
4156         init_priority_for_decl.
4157         (tree_map_eq): Rename to ...
4158         (tree_map_base_eq): ... this.
4159         (tree_map_marked_p): Rename to ...
4160         (tree_map_base_marked_p): ... this.
4161         (tree_map_base_hash): New function.
4162         (decl_init_priority_lookup): Rework.
4163         (decl_fini_priority_lookup): New function.
4164         (decl_priority_info): New function.
4165         (decl_init_priority_insert): Use it.
4166         (decl_fini_priority_insert): Likewise.
4167         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
4168         hierarchy.
4169         (decl_restrict_base_insert): Likewise.
4170         (decl_debug_expr_insert): Likewise.
4171         (decl_value_expr_lookup): Likewise.
4172         (decl_value_expr_insert): Likewise.
4173         * tree.h (priority_type): New type.
4174         (decl_init_priority_lookup): Use priority_type.
4175         (decl_fini_priority_lookup): New function.
4176         (decl_init_priority_insert): Use priority_type.
4177         (decl_fini_priority_insert): New function.
4178         (DECL_HAS_INIT_PRIORITY): Tweak comments.
4179         (DECL_INIT_PRIORITY): Likewise.
4180         (SET_DECL_INIT_PRIORITY): Add comment.
4181         (DECL_FINI_PRIORITY): New macro.
4182         (SET_DECL_FINI_PRIORITY): Likewise.
4183         (DEFAULT_INIT_PRIORITY): Document.
4184         (MAX_INIT_PRIORITY): Likewise.
4185         (MAX_RESERVED_INIT_PRIORITY): Likewise.
4186         (tree_map_base): New type.
4187         (tree_map_base_eq): New function.
4188         (tree_map_base_hash): Likewise.
4189         (tree_map_base_marked_p): Likewise.
4190         (tree_map): Inherit from tree_map_base.
4191         (tree_map_eq): Make it a macro.
4192         (tree_map_marked_p): Likewise.
4193         (tree_int_map): Inherit from tree_map_base.
4194         (tree_int_map_eq): Make it a macro.
4195         (tree_int_map_hash): Likewise.
4196         (tree_int_map_marked_p): Likewise.
4197         (tree_priority_map): New type.
4198         (tree_priority_map_eq): New macro.
4199         (tree_priority_map_hash): Likewise.
4200         (tree_priority_map_marked_p): Likewise.
4201         * varasm.c (emults_decl): Adjust for refactoring of tree_map
4202         hierarchy.
4203         (emutls_common_1): Likewise.
4204         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
4205         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
4206         of tree_map hierarchy.
4207         * tree-cfg.c (move_stmt_r): Likewise.
4208         (new_label_mapper): Likewise.
4209         * c-tree.h (c_expand_body): Move to ...
4210         * c-common.h (c_expand_body): ... here.
4211         * c-decl.c (c_expand_body): Move to ...
4212         * c-common.c (c_expand_body): ... here.
4213         (c_common_attribute_table): Allow 1 argument for the constructor
4214         and destructor attributes.
4215         (get_priority): New function.
4216         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
4217         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
4218
4219 2007-02-24  Jan Hubicka  <jh@suse.cz>
4220
4221         PR middle-end/30509
4222         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
4223
4224 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
4225             Jan Hubicka  <jh@suse.cz>
4226
4227         PR target/30778
4228         * i386.c (counter_mode): New function.
4229         (expand_set_or_movmem_via_loop): Use it.
4230         (expand_movmem_epilogue): Likewise; fix pasto.
4231         (ix86_expand_movmem): Do emit guard even for constant counts.
4232         (ix86_expand_setmem): Likewise.
4233
4234 2007-02-25  Nick Clifton  <nickc@redhat.com>
4235
4236         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
4237         (JUMP_TABLES_IN_TEXT_SECTION): Define.
4238
4239 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
4240
4241         PR target/30770
4242         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
4243         count argument with 0x10, not with 0x16.
4244         (expand_setmem_epilogue): Ditto.
4245
4246 2007-02-24  Mike Stump  <mrs@apple.com>
4247
4248         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
4249         symbols.
4250
4251 2007-02-24  Richard Guenther  <rguenther@suse.de>
4252
4253         PR middle-end/30951
4254         * fold-const.c (fold_binary): Fold x +- CST op x for
4255         EQ_EXPR and NE_EXPR.
4256
4257 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4258
4259         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
4260
4261 2007-02-24  Jan Hubicka  <jh@suse.cz>
4262
4263         * cgraphunit.c (decide_is_function_needed): Honor
4264         -fkeep-inline-functions.
4265
4266 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4267
4268         * builtins.c (fold_builtin_modf): New.
4269         (fold_builtin_2): Use it.
4270
4271 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
4272
4273         * loop-iv.c (implies_p): Detect additional cases where A implies B.
4274         (determine_max_iter): Take additional LOOP arg; all callers changed.
4275         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
4276         one using simplifications.
4277         (simplify_using_initial_values): Return if the expression becomes
4278         invalid due to altered regs.
4279
4280 2007-02-23  DJ Delorie  <dj@redhat.com>
4281
4282         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
4283
4284 2007-02-23  Mike Stump  <mrs@apple.com>
4285
4286         * tlink.c (scan_linker_output): Parse linker messages from
4287         darwin9's linker better.
4288
4289 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
4290
4291         PR debug/29614
4292         * varpool.c (varpool_assemble_pending_decls):  Set
4293         varpool_last_needed_node to null.
4294
4295 2007-02-23  DJ Delorie  <dj@redhat.com>
4296
4297         * config/i386/i386.c (ix86_data_alignment): Don't specify an
4298         alignment bigger than the object file can handle.
4299
4300 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
4301
4302         PR target/30825
4303         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
4304         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
4305         (*movsf_1): Penalize MMX moves.
4306
4307 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
4308
4309         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
4310         2^32-1 or more times unless flag_unsafe_loop_optimizations.
4311
4312         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
4313
4314 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4315
4316         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
4317         (fold_builtin_1): Use them.
4318         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4319         BUILT_IN_SIGNIFICAND.
4320
4321 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
4322
4323         * config/i386/i386.c (bdesc_1arg): Initialize
4324         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
4325         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
4326         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
4327         and IX86_BUILTIN_MOVSLDUP.
4328
4329 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
4330
4331         PR rtl-optimization/30841
4332         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
4333
4334 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4335
4336         * builtins.c (fold_builtin_frexp): New.
4337         (fold_builtin_2): Use it.
4338
4339 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
4340
4341         * doc/invoke.texi (Spec Files): Document getenv spec function.
4342
4343         * gcc.c (getenv_spec_function): New function.
4344         (static_spec_functions): Add it.
4345         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
4346         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
4347         header files.
4348
4349 2007-02-22  Michael Matz  <matz@suse.de
4350
4351         PR c++/29433
4352         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
4353         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
4354
4355 2007-02-22  Ian Lance Taylor  <iant@google.com>
4356
4357         PR debug/30898
4358         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
4359         (mem_loc_descriptor): Call it.
4360
4361 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
4362             Ira Rosen  <irar@il.ibm.com>
4363
4364         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
4365
4366 2007-02-22  Ira Rosen  <irar@il.ibm.com>
4367
4368         PR tree-optimization/30843
4369         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
4370         stores only after all the group is vectorized.
4371
4372 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
4373
4374         PR tree-optimization/30858
4375         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
4376         in the reduction cycle have a single use in the loop.
4377         * tree-vectorizer.h (relevant): Add documentation.
4378
4379 2007-02-20  Mike Stump  <mrs@apple.com>
4380
4381         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
4382         * configure: Regenerate.
4383
4384 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
4385
4386         Change the defaults of some parameters and options.
4387         * config/spu/spu-protos.h (spu_optimization_options): Declare.
4388         * config/spu/spu.c (spu_optimization_options): Add.
4389         (spu_override_options): Change params in spu_optimization_options.
4390         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
4391
4392         Register 127 is only 16 byte aligned when used as a frame pointer.
4393         * config/spu/spu-protos.h (spu_init_expanders): Declare.
4394         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
4395         HARD_FRAME_POINTER_REGNUM.
4396         (spu_legitimate_address):  Use regno_aligned_for_reload.
4397         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
4398         aligned when frame_pointer_needed is true.
4399         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
4400         to 8 bits.
4401         * config/spu/spu.h (INIT_EXPANDERS): Define.
4402
4403         Make sure shift and rotate instructions have valid immediate operands.
4404         * config/spu/predicates.md (spu_shift_operand): Remove.
4405         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
4406         * config/spu/constraints.md (W, O): Extend range.
4407         * config/spu/spu.md (umask, nmask): Define.
4408         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
4409         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
4410         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
4411         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
4412         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
4413         (lshr<mode>3_reg):  Fix rtl description.
4414
4415         Make sure mulhisi immediate operands are valid.
4416         * config/spu/predicates.md (imm_K_operand): Add.
4417         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
4418
4419         Generate constants using fsmbi and andi.
4420         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
4421         (print_operand, spu_split_immediate, classify_immediate,
4422         fsmbi_const_p): Handle IC_FSMBI2.
4423
4424         Correctly handle a CONST_VECTOR containing symbols.
4425         * config/spu/spu.c (print_operand): Handle HIGH correctly.
4426         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
4427         (immediate_load_p): Allow symbols that use 2 instructions to create.
4428         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
4429         with symbols when flag_pic is set.
4430         (const_vector_immediate_p): New.
4431         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
4432         accept a CONST_VECTOR with symbols.
4433         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
4434         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
4435         correctly.
4436         * config/spu/spu.md (high, low): Delete.
4437         (low_<mode>): Define.
4438
4439         Remove INTRmode and INTR_REGNUM, which didn't work.
4440         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
4441         of INTR_REGNUM.
4442         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
4443         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
4444         peephole2 pattern): Don't use INTR or 131.
4445         (movintrcc): Delete.
4446         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
4447         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
4448         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
4449         (UNSPEC_SET_INTR): Add.
4450         * config/spu/spu-modes.def (INTR): Remove.
4451
4452         More accurate warnings about run-time relocations.
4453         * config/spu/spu.c (reloc_diagnostic): Test in_section.
4454
4455         Correctly warn about immediate arguments to specific intrinsics.
4456         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
4457         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
4458         the instruction predicate.
4459
4460         Fix tree check errors with latest update.
4461         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
4462         CALL_EXPR_ARG.
4463         (spu_expand_builtin): Use CALL_EXPR_FN.
4464
4465         Add missing specific intrinsics.
4466         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
4467         si_bislede.
4468         * config/spu/spu_internals.h: Ditto.
4469
4470         Fix incorrect operand modifiers.
4471         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
4472         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
4473
4474         Optimize one case of zero_extend of a vec_select.
4475         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
4476
4477         Accept any immediate for hbr.
4478         * config/spu/spu.md (hbr):  Change s constraints to i.
4479
4480 2007-02-21  Paul Brook  <paul@codesourcery.com>
4481
4482         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
4483         condexec_count when skipping USE and CLOBBER.
4484
4485 2007-02-21  Nick Clifton  <nickc@redhat.com>
4486
4487         * common.opt (Warray-bounds): Add Warning attribute.
4488         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
4489         Likewise.
4490         (fsized-zeroes): Add Optimization attribute.
4491         (fsplit-wide-types, ftree-scev-cprop): Likewise.
4492         * c.opt (Wc++0x-compat): Add Warning attribute.
4493
4494 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
4495
4496         PR middle-end/30761
4497         * reload1.c (eliminate_regs_in_insn): In the single_set special
4498         case, attempt to re-recognize the insn before falling back to
4499         having reload fix it up.
4500
4501 2007-02-20  Eric Christopher  <echristo@gmail.com>
4502
4503         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
4504         Rewrite accordingly.
4505         (frv_read_iacc_argument): Ditto.
4506         (frv_expand_set_builtin): Take a call instead of arglist, update for
4507         above changes.
4508         (frv_expand_unop_builtin): Ditto.
4509         (frv_expand_binop_builtin): Ditto.
4510         (frv_expand_cut_builtin): Ditto.
4511         (frv_expand_binopimm_builtin): Ditto.
4512         (frv_expand_voidbinop_builtin): Ditto.
4513         (frv_expand_int_void2arg): Ditto.
4514         (frv_expand_prefetches): Ditto.
4515         (frv_expand_voidtriop_builtin): Ditto.
4516         (frv_expand_voidaccop_builtin): Ditto.
4517         (frv_expand_load_builtin): Ditto.
4518         (frv_expand_store_builtin): Ditto.
4519         (frv_expand_mdpackh_builtin): Ditto.
4520         (frv_expand_mclracc_builtin): Ditto.
4521         (frv_expand_mrdacc_builtin): Ditto.
4522         (frv_expand_mwtacc_builtin): Ditto.
4523         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
4524         calls for above.
4525
4526 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
4527
4528         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
4529         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
4530         cmpb instruction.
4531         (HAVE_GAS_DFP): Check for assembler support of decimal floating
4532         point instructions.
4533         * configure: Regenerate.
4534         * config.in: Regenerate.
4535         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
4536         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
4537         masks to power6 and power6x and to POWERPC_MASKS.
4538         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4539         _ARCH_PWR6.
4540         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
4541         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
4542         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
4543         Access PROTOTYPE as variable, not mask.
4544
4545 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
4546
4547         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
4548         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
4549         * combine.c (adjust_for_new_dest): Use it.
4550         * postreload.c (reload_combine): Likewise.
4551
4552 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
4553
4554         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
4555         notes on an insn with multiple sets, even if single_set returns
4556         non-NULL for that insn.
4557
4558 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4559
4560         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
4561         scalbn and scalbln.
4562
4563 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
4564
4565         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
4566         if user didn't pass it.
4567         * config/i386/darwin.h (CC1_SPEC): Likewise.
4568         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
4569         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
4570         -mmacosx-version-min.
4571
4572 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4573             Uros Bizjak  <ubizjak@gmail.com>
4574
4575         * optabs.h (enum optab_index): Add new OTI_scalb.
4576         (scalb_optab): Define corresponding macro.
4577         * optabs.c (init_optabs): Initialize scalb_optab.
4578         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
4579         patterns.
4580         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
4581         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
4582         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
4583         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
4584         flag_unsafe_math_optimizations is set.
4585
4586         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
4587         to implement scalbf, scalb and scalbl built-ins as inline x87
4588         intrinsics.
4589
4590 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4591             DJ Delorie <dj@redhat.com>
4592
4593         PR other/30824
4594         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
4595         (diagnostic_report_diagnostic): ... here, and turn them into real
4596         errors. If warnings are inhibited, no need to do anything.
4597
4598 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
4599
4600         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
4601         better code generation.
4602
4603 2007-02-20  Ben Elliston  <bje@au.ibm.com>
4604
4605         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
4606
4607 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
4608
4609         * config/alpha/alpha.c, config/alpha/alpha.md,
4610         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
4611         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
4612         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
4613         config/arm/lib1funcs.asm: Follow spelling conventions.
4614
4615         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
4616         config/fr30/fr30.md, config/i386/i386.h,
4617         config/iq2000/iq2000.h, config/iq2000/predicates.md,
4618         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
4619         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
4620         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
4621         config/rs6000/altivec.md, config/rs6000/rs6000.c,
4622         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
4623         config/sparc/sparc.c, config/sparc/sparc.h,
4624         config/sparc/sparc.md, config/spu/constraints.md,
4625         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
4626         conventions.
4627
4628 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
4629
4630         PR target/29943
4631         * varasm.c (use_blocks_for_decl_p): Return false for decls with
4632         alias attribute.
4633
4634 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
4635
4636         * doc/invoke.texi (-ftree-lrs): Remove.
4637
4638 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
4639
4640         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
4641         NULL.
4642
4643 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
4644
4645         * config/ia64/ia64.c (ia64_expand_builtin): Use the
4646         new CALL_EXPR_FN macro for retrieving the function
4647         declaration of the input expression.
4648
4649 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4650
4651         * c.opt (Waddress): New.
4652         * common.opt (Walways-true): Delete.
4653         (Wstring-literal-comparison): Delete.
4654         * doc/invoke.texi (Warning Options): Delete -Walways-true and
4655         -Wstring-literal-comparison. Add -Waddress.
4656         (Waddress): New.
4657         (Walways-true): Delete.
4658         (Wstring-literal-comparison): Delete.
4659         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
4660         consistently instead of -Walways-true in example.
4661         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
4662         * c-typeck.c (parser_build_binary_op): Replace
4663         -Wstring-literal-comparison and -Walways-true with -Waddress.
4664         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
4665         with -Waddress.
4666
4667 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
4668
4669         * tree-cfg.c (dump_function_to_file): Be prepared for functions
4670         without DECL_STRUCT_FUNCTION initialized.
4671
4672 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
4673
4674         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
4675         due to calls to functions taking pointers as parameters.
4676
4677 2007-02-19  Richard Henderson  <rth@redhat.com>
4678
4679         PR debug/29558
4680         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
4681         in memory.
4682
4683 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4684
4685         * config/s390/s390.c (s390_call_saved_register_used,
4686         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
4687         accessed to the new scheme.
4688
4689 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4690
4691         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
4692         (cris_print_index, cris_print_operand, cris_print_operand_address)
4693         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
4694         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
4695         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
4696         GET_CODE () == xxx.
4697         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
4698         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
4699         GO_IF_LEGITIMATE_ADDRESS): Ditto.
4700         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
4701         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
4702         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
4703         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
4704         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
4705         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
4706         (uminsi3, call, call_value): Ditto.
4707         (define_split: indir_to_reg_split, unnamed): Ditto.
4708
4709 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
4710
4711         PR tree-optimization/30975
4712         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
4713         wrong assert.
4714
4715 2007-02-18  Eric Christopher  <echristo@gmail.com>
4716
4717         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
4718         Remove use of arglist.
4719         (mips_expand_builtin): Remove use of arglist, pass in expr.
4720         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
4721         (mips_expand_builtin_movtf): Ditto.
4722         (mips_expand_builtin_compare): Ditto.
4723
4724 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
4725
4726         * tree-sra.c (sra_build_assignment): Replace assertion
4727         checking with a comment explaining why it can't be done.
4728
4729 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
4730
4731         PR middle-end/30833
4732         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
4733         during CALL_EXPR representation conversion.
4734         * tree-ssa-propagate.c (set_rhs): Likewise.
4735
4736 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
4737
4738         * tree-sra.c (sra_build_assignment): Disable assertion checking
4739         for now.
4740
4741 2007-02-18  Roger Sayle  <roger@eyesopen.com>
4742
4743         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
4744         instead of calling build2 with a GIMPLE_MODIFY_STMT.
4745         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
4746         Likewise.
4747         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
4748         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
4749         gimplify_init_ctor_eval_range, gimple_push_cleanup,
4750         gimplify_omp_for, gimplify_omp_atomic_pipeline,
4751         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
4752         force_gimple_operand): Likewise.
4753         * ipa-cp.c (constant_val_insert): Likewise.
4754         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4755         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
4756         perfect_nestify): Likewise.
4757         * langhooks.c (lhd_omp_assignment): Likewise.
4758         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
4759         lower_copyprivate_clauses, lower_send_clauses,
4760         lower_send_shared_vars, expand_parallel_call,
4761         expand_omp_for_generic, expand_omp_for_static_nochunk,
4762         expand_omp_for_static_chunk, expand_omp_sections,
4763         lower_omp_single_copy, lower_omp_for_lastprivate,
4764         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
4765         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
4766         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
4767         Likewise.
4768
4769 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
4770
4771         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
4772         config/sh/sh.md: Follow spelling conventions.
4773
4774         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
4775         config/frv/predicates.md: Follow spelling conventions.
4776
4777         * config/m68k/linux-unwind.h: Fix a comment typo.
4778         * target.h: Follow spelling conventions.
4779
4780 2007-02-18  Roger Sayle  <roger@eyesopen.com>
4781
4782         PR rtl-optimization/28173
4783         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
4784         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
4785         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
4786         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
4787         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
4788
4789 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4790
4791         * builtins.c (fold_builtin_load_exponent): New.
4792         (fold_builtin_2): Use it.
4793
4794 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
4795
4796         PR rtl-optimization/30773
4797         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
4798         if we fail to attach a REG_EQUIV note.
4799
4800 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
4801             Roger Sayle  <roger@eyesopen.com>
4802
4803         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
4804
4805 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
4806
4807         * calls.c (initialize_argument_information): Pass original EXP
4808         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
4809         code to split complex arguments here, as part of initializing the
4810         ARGS array.
4811         (expand_call): Remove code that builds a list of arguments and
4812         inserts implicit arguments into it.  Instead, just count how many
4813         implicit arguments there will be so we can determine the size of
4814         the ARGS array, and let initialize_argument_information do the work.
4815         (split_complex_values): Delete unused function.
4816
4817 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
4818
4819         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
4820
4821 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
4822
4823         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
4824         for arg pointer based indexed addressing.
4825
4826 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
4827
4828         * config/ia64/ia64.h, config/ia64/ia64.md,
4829         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
4830         spelling conventions.
4831
4832 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4833
4834         * config/m68k/m68k.c (split_di): New.
4835         * config/m68k/m68k-protos.h: Declare split_di.
4836         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
4837           Improve predicate handling and split constant shifts.
4838
4839 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4840
4841         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
4842         parameter for register bitfield operations, general predicates
4843         cleanup
4844
4845 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4846
4847         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
4848         * config/m68k/linux-unwind.h: New file.
4849
4850 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
4851
4852         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
4853         config/i386/athlon.md, config/ia64/ia64.md,
4854         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
4855         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
4856         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
4857         tree-ssa-loop-niter.c, tree-vect-analyze.c,
4858         tree-vect-transform.c: Fix comment typos.
4859
4860 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
4861
4862         * sched-deps.c (find_insn_list): Remove.
4863         * sched-int.h: Remove the prototype for find_insn_list.
4864
4865 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
4866
4867         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
4868         to linker.
4869         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
4870         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
4871         darwin_rs6000_override_options.
4872         (C_COMMON_OVERRIDE_OPTIONS): Expect
4873         darwin_macosx_version_min to be non-NULL always.
4874         (TARGET_C99_FUNCTIONS): Likewise.
4875         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
4876         (DARWIN_MINVERSION_SPEC): New.
4877         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
4878         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
4879         to cc1*.
4880         (DARWIN_MINVERSION_SPEC): New.
4881         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
4882         value.
4883         * config/darwin-c.c (darwin_cpp_builtins): Expect
4884         darwin_macosx_version_min to be non-NULL always.
4885
4886         * config/rs6000/rs6000.c: Clean up trailing whitespace.
4887
4888 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
4889
4890         * config/i386/i386.h (x86_use_xchgb): New.
4891         (TARGET_USE_XCHGB): New macro.
4892         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
4893         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
4894         Split after reload into bswaphi for shifts of 8.
4895         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
4896         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
4897         or when optimizing for size.
4898
4899 2007-02-16  Richard Guenther  <rguenther@suse.de>
4900             Christian Bruel  <christian.bruel@st.com>
4901
4902         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
4903         DECLs but prefer SSA_NAMEs over DECLs.
4904
4905 2007-02-16  Richard Guenther  <rguenther@suse.de>
4906
4907         * tree-flow-inline.h (single_imm_use_p): Remove.
4908         (zero_imm_uses_p): Likewise.
4909         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
4910         instead of single_imm_use_p.
4911         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
4912         zero_imm_uses_p.
4913
4914 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4915
4916         PR other/27843
4917         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
4918         nested double- and backquotes.
4919
4920 2007-02-15  Roger Sayle  <roger@eyesopen.com>
4921
4922         PR middle-end/30391
4923         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
4924         should be unreachable.
4925         (build2_stat): Allow construction of MODIFY_EXPR at any time.
4926         For the time being redirect GIMPLE_MODIFY_STMT to the new
4927         (renamed) build_gimple_modify_stmt_stat.
4928         (build2_gimple_stat): Rename to...
4929         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
4930         Always build a GIMPLE_MODIFY_STMT node.
4931         * tree.h (build2_gimple, build2_gimple_stat): Delete.
4932         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
4933         declarations.
4934
4935         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
4936         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
4937         * tree-complex.c (set_component_ssa_name, expand_complex_move,
4938         expand_complex_div_wide): Likewise.
4939         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
4940         * tree-ssa-loop-im.c (schedule_sm): Likewise.
4941         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
4942         * tree-ssa-loop-manip.c (create_iv): Likewise.
4943         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
4944         abs_replacement): Likewise.
4945         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
4946         realify_fake_stores): Likewise.
4947
4948         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
4949         node rather than a GIMPLE_MODIFY_STMT node.
4950         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
4951         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
4952         Likewise.
4953         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
4954         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
4955         GIMPLE_MODIFY_STMT.
4956
4957 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4958
4959         PR middle-end/30433
4960         * fold-const.c (fold_comparison): Add back the
4961         folding of constant complex comparisions.
4962
4963 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4964
4965         PR middle-end/30729
4966         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
4967         effects unknown to this function, return early.
4968
4969 2007-02-15  Ian Lance Taylor  <iant@google.com>
4970
4971         * lower-subreg.c (move_eh_region_note): New static function.
4972         (resolve_simple_move): Call it.
4973         (decompose_multiword_subregs): Track blocks for which we resolve a
4974         simple move which is also a control flow insn.  Pass them to
4975         find_many_sub_basic_blocks.
4976         (pass_lower_subreg): Add TODO_verify_flow.
4977         (pass_lower_subreg2): Likewise.
4978
4979 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4980             Brooks Moses  <brooks.moses@codesourcery.com>
4981             Lee Millward  <lee.millward@codesourcery.com>
4982
4983         * tree.h (enum tree_code_class): Add tcc_vl_exp.
4984         (VL_EXP_CLASS_P): New.
4985         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
4986         TREE_CODE_LENGTH.
4987         (TREE_OPERAND_CHECK_CODE): Likewise.
4988         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
4989         (TREE_RTL_OPERAND_CHECK): Likewise.
4990         (tree_operand_check_failed): Make second parameter the whole tree
4991         instead of its code.  Fixed callers.
4992         (VL_EXP_CHECK): New.
4993         (TREE_OPERAND_LENGTH): New.
4994         (VL_EXP_OPERAND_LENGTH): New.
4995         (CALL_EXPR_FN): New.
4996         (CALL_EXPR_STATIC_CHAIN): New.
4997         (CALL_EXPR_ARGS): New.
4998         (CALL_EXPR_ARG): New.
4999         (call_expr_nargs): New.
5000         (CALL_EXPR_ARGP): New.
5001         (build_nt_call_list): Declare.
5002         (build_vl_exp_stat): Declare.
5003         (build_vl_exp): New.
5004         (build_call_list): Declare.
5005         (build_call_nary): Declare.
5006         (build_call_valist): Declare.
5007         (build_call_array): Declare.
5008         (call_expr_arg): Declare.
5009         (call_expr_argp): Declare.
5010         (call_expr_arglist): Declare.
5011         (fold_build_call_list): Declare.
5012         (fold_build_call_list_initializer): Declare.
5013         (fold_call_expr): Declare to replace fold_builtin.
5014         (fold_builtin_fputs): Update to agree with modified definition.
5015         (fold_builtin_strcpy): Likewise.
5016         (fold_builtin_strncpy): Likewise.
5017         (fold_builtin_memory_chk): Likewise.
5018         (fold_builtin_stxcpy_chk): Likewise.
5019         (fold_builtin_strncpy_chk): Likewise.
5020         (fold_builtin_next_arg): Likewise.
5021         (fold_build_call_expr): Declare.
5022         (fold_builtin_call_list): Declare.
5023         (fold_builtin_call_valist): Declare.
5024         (build_call_expr): Declare.
5025         (validate_arglist): Update to agree with modified definition.
5026         (tree_operand_length): New.
5027         (call_expr_arg_iterator): New.
5028         (init_call_expr_arg_iterator): New.
5029         (next_call_expr_arg): New.
5030         (first_call_expr_arg): New.
5031         (more_call_expr_args_p): New.
5032         (FOR_EACH_CALL_EXPR_ARG): New.
5033
5034         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
5035         and tcc_gimple_stmt.
5036         (tree_code_size): Update documentation.  Use sizeof (tree) rather
5037         than sizeof (char *).
5038         (tree_size): Likewise.  Add case for tcc_vl_exp.
5039         (tree_node_structure): Add case for tcc_vl_exp.
5040         (contains_placeholder_p): Likewise.
5041         (substitute_in_expr): Likewise.
5042         (substitute_placeholder_in_expr): Likewise.
5043         (stabilize_reference_1): Likewise.
5044         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
5045         to diagnose breakage of this interface for constructing CALL_EXPRs.
5046         (build_nt): Add similar assertion here.
5047         (build_nt_call_list): New.
5048         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
5049         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
5050         TREE_CODE_LENGTH.
5051         (get_callee_fndecl): Use new CALL_EXPR accessors.
5052         (tree_operand_check_failed): Change parameters to pass entire node
5053         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
5054         (process_call_operands): New.
5055         (build_vl_exp_stat): New.
5056         (build_call_list): New.
5057         (build_call_nary): New.
5058         (build_call_valist): New.
5059         (build_call_array): New.
5060         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5061         (call_expr_arglist): New.
5062
5063         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
5064         tcc_vl_exp instead of a fixed-size tcc_expression.
5065
5066         * doc/c-tree.texi (CALL_EXPR): Document new representation and
5067         accessors for CALL_EXPRs.
5068         (AGGR_INIT_EXPR): Likewise.
5069
5070 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5071             Brooks Moses  <brooks.moses@codesourcery.com>
5072             Lee Millward  <lee.millward@codesourcery.com>
5073
5074         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
5075         (expand_builtin_nonlocal_goto): Change parameter to be entire
5076         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
5077         (expand_builtin_prefetch): Likewise.
5078         (expand_builtin_classify_type): Likewise.
5079         (mathfn_built_in): Return NULL_TREE instead of 0.
5080         (expand_errno_check): Use new CALL_EXPR accessors.
5081         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
5082         Return NULL_RTX instead of 0.
5083         (expand_builtin_mathfn_2): Likewise.
5084         (expand_builtin_mathfn_3): Likewise.
5085         (expand_builtin_interclass_mathfn): Likewise.
5086         (expand_builtin_sincos): Likewise.
5087         (expand_builtin_cexpi): Likewise.
5088         (expand_builtin_int_roundingfn): Likewise.
5089         (expand_builtin_int_roundingfn_2): Likewise.
5090         (expand_builtin_pow): Likewise.
5091         (expand_builtin_powi): Likewise.
5092         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
5093         of arglist, fixing callers appropriately.  Use new CALL_EXPR
5094         accessors and constructors.  Return NULL_RTX instead of 0.
5095         (expand_builtin_strstr): Likewise.
5096         (expand_builtin_strchr): Likewise.
5097         (expand_builtin_strrchr): Likewise.
5098         (expand_builtin_strpbrk): Likewise.
5099         (expand_builtin_memcpy): Likewise.
5100         (expand_builtin_mempcpy): Likewise.
5101         (expand_builtin_mempcpy_args): New.
5102         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
5103         (expand_builtin_memmove_args): New.
5104         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
5105         (expand_movstr): Likewise.
5106         (expand_builtin_strcpy): Likewise.
5107         (expand_builtin_strcpy_args): New.
5108         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
5109         (expand_builtin_strncpy): Likewise.
5110         (expand_builtin_memset): Likewise.
5111         (expand_builtin_memset_args): New.
5112         (expand_builtin_bzero): Similarly to expand_builtin_memset.
5113         (expand_builtin_memcmp): Likewise.
5114         (expand_builtin_strcmp): Likewise.
5115         (expand_builtin_strncmp): Likewise.
5116         (expand_builtin_strcat): Likewise.
5117         (expand_builtin_strncat): Likewise.
5118         (expand_builtin_strspn): Likewise.
5119         (expand_builtin_strcspn): Likewise.
5120         (expand_builtin_args_info): Likewise.
5121         (expand_builtin_va_start): Likewise.
5122         (gimplify_va_arg_expr): Likewise.
5123         (expand_builtin_va_end): Likewise.
5124         (expand_builtin_va_copy): Likewise.
5125         (expand_builtin_frame_address): Likewise.
5126         (expand_builtin_alloca): Likewise.
5127         (expand_builtin_bswap): Likewise.
5128         (expand_builtin_unop): Likewise.
5129         (expand_builtin_fputs): Likewise.
5130         (expand_builtin_expect): Likewise.
5131         (expand_builtin_fabs): Likewise.
5132         (expand_builtin_copysign): Likewise.
5133         (expand_builtin_printf): Likewise.
5134         (expand_builtin_fprintf): Likewise.
5135         (expand_builtin_sprintf): Likewise.
5136         (expand_builtin_init_trampoline): Likewise.
5137         (expand_builtin_signbit): Likewise.
5138         (expand_builtin_fork_or_exec): Likewise.
5139         (expand_builtin_sync_operation): Likewise.
5140         (expand_builtin_compare_and_swap): Likewise.
5141         (expand_builtin_lock_test_and_set): Likewise.
5142         (expand_builtin_lock_release): Likewise.
5143         (expand_builtin): Likewise.
5144         (builtin_mathfn_code): Likewise.
5145
5146         (fold_builtin_constant_p): Pass call arguments individually instead
5147         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5148         accessors and constructors.  Return NULL_TREE instead of 0.
5149         (fold_builtin_expect): Likewise.
5150         (fold_builtin_classify_type): Likewise.
5151         (fold_builtin_strlen): Likewise.
5152         (fold_builtin_nan): Likewise.
5153         (integer_valued_real_p): Likewise.
5154         (fold_trunc_transparent_mathfn): Likewise.
5155         (fold_fixed_mathfn): Likewise.
5156         (fold_builtin_cabs): Likewise.
5157         (fold_builtin_sqrt): Likewise.
5158         (fold_builtin_cbrt): Likewise.
5159         (fold_builtin_cos): Likewise.
5160         (fold_builtin_cosh): Likewise.
5161         (fold_builtin_tan): Likewise.
5162         (fold_builtin_sincos): Likewise.
5163         (fold_builtin_cexp): Likewise.
5164         (fold_builtin_trunc): Likewise.
5165         (fold_builtin_floor): Likewise.
5166         (fold_builtin_ceil): Likewise.
5167         (fold_builtin_round): Likewise.
5168         (fold_builtin_int_roundingfn): Likewise.
5169         (fold_builtin_bitop): Likewise.
5170         (fold_builtin_bswap): Likewise.
5171         (fold_builtin_logarithm): Likewise.
5172         (fold_builtin_hypot): Likewise.
5173         (fold_builtin_pow): Likewise.
5174         (fold_builtin_powi): Likewise.
5175         (fold_builtin_exponent): Likewise.
5176         (fold_builtin_memset): Likewise.
5177         (fold_builtin_bzero): Likewise.
5178         (fold_builtin_memory_op): Likewise.
5179         (fold_builtin_bcopy): Deleted; call site changed to invoke
5180         fold_builtin_memory_op directly.
5181         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
5182         (fold_builtin_strncpy): Likewise.
5183         (fold_builtin_memcmp): Likewise.
5184         (fold_builtin_strcmp): Likewise.
5185         (fold_builtin_strncmp): Likewise.
5186         (fold_builtin_signbit): Likewise.
5187         (fold_builtin_copysign): Likewise.
5188         (fold_builtin_isascii): Likewise.
5189         (fold_builtin_toascii): Likewise.
5190         (fold_builtin_isdigit): Likewise.
5191         (fold_builtin_fabs): Likewise.
5192         (fold_builtin_abs): Likewise.
5193         (fold_builtin_fmin_fmax): Likewise.
5194         (fold_builtin_carg): Likewise.
5195         (fold_builtin_classify): Likewise.
5196         (fold_builtin_unordered_cmp): Likewise.
5197
5198         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
5199         New functions split out from fold_builtin_1.
5200         (fold_builtin_n): New.
5201         (fold_builtin_varargs): New.
5202         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
5203         instead.
5204         (fold_call_expr): New.
5205         (build_function_call_expr): Rewrite to use new helper function.
5206         (fold_builtin_call_list): New.
5207         (build_call_expr): New.
5208         (fold_builtin_call_valist): New.
5209         (rewrite_call_expr): New.
5210         (validate_arg): New.
5211         (validate_arglist): Change parameter to be entire CALL_EXPR instead
5212         of an arglist.  Change return type to bool.  Use new CALL_EXPR
5213         accessors.
5214
5215         (fold_builtin_strstr):  Pass call arguments individually instead
5216         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5217         accessors and constructors.  Return NULL_TREE instead of 0.
5218         (fold_builtin_strchr): Likewise.
5219         (fold_builtin_strrchr): Likewise.
5220         (fold_builtin_strpbrk): Likewise.
5221         (fold_builtin_strcat): Likewise.
5222         (fold_builtin_strncat): Likewise.
5223         (fold_builtin_strspn): Likewise.
5224         (fold_builtin_strcspn): Likewise.
5225         (fold_builtin_fputs): Likewise.
5226         (fold_builtin_next_arg): Likewise.
5227         (fold_builtin_sprintf): Likewise.
5228
5229         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
5230         NULL_RTX instead of 0.
5231         (expand_builtin_memory_chk): Likewise.
5232         (maybe_emit_chk_warning): Likewise.
5233         (maybe_emit_sprintf_chk_warning): Likewise.
5234
5235         (fold_builtin_object_size): Pass call arguments individually instead
5236         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5237         accessors and constructors.  Return NULL_TREE instead of 0.
5238         (fold_builtin_memory_chk): Likewise.
5239         (fold_builtin_stxcpy_chk): Likewise.
5240         (fold_builtin_strncpy_chk): Likewise.
5241         (fold_builtin_strcat_chk): Likewise.
5242         (fold_builtin_strcat_chk): Likewise.
5243         (fold_builtin_strncat_chk): Likewise.
5244         (fold_builtin_sprintf_chk): Likewise.
5245         (fold_builtin_snprintf_chk): Likewise.
5246         (fold_builtin_printf): Likewise.
5247         (fold_builtin_vprintf): Likewise.
5248
5249         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
5250         constructors.
5251         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
5252         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5253         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
5254         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
5255         (fold_unary): Likewise.
5256         (fold_binary): Likewise.
5257         (fold_ternary): Remove CALL_EXPR case, since they are no longer
5258         ternary expressions.
5259         (fold): Add logic for tcc_vl_exp.
5260         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
5261         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5262         (fold_build3_stat): Add assertion to flag broken interface for
5263         constructing CALL_EXPRs.
5264         (fold_build_call_list): New.
5265         (fold_build_call_list_initializer): New.
5266         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
5267         constructors.
5268         (fold_strip_sign_ops): Likewise.
5269
5270 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5271             Brooks Moses  <brooks.moses@codesourcery.com>
5272             Lee Millward  <lee.millward@codesourcery.com>
5273
5274         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
5275         accessors and dump arguments explicitly.
5276
5277         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
5278         TREE_CODE_LENGTH.
5279         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
5280         explicitly.
5281         (print_call_name): Use new CALL_EXPR accessors.
5282
5283         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
5284         CALL_EXPR arguments explicitly instead of as a list.  Use
5285         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5286
5287         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
5288         (vrp_visit_stmt): Likewise.
5289
5290         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
5291         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
5292         TREE_CODE_LENGTH.
5293         (force_move_till_expr): Likewise.
5294
5295         * targhooks.c (default_external_stack_protect_fail): Use
5296         build_call_expr instead of build_function_call_expr.
5297         (default_hidden_stack_protect_fail): Likewise.
5298
5299         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
5300         build the call.
5301
5302         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
5303         and walk arguments explicitly.
5304
5305         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
5306         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5307         (expand_simple_operations): Likewise.
5308         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
5309
5310         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
5311         of TREE_CODE_LENGTH.
5312         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
5313
5314         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
5315         instead of TREE_CODE_LENGTH.
5316
5317         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
5318         (tree_ic_transform): Likewise.
5319         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
5320         parameter instead of arglist.  Fix callers.
5321         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
5322         (tree_stringops_transform): Likewise.
5323         (tree_indirect_call_to_profile): Likewise.
5324         (tree_stringops_values_to_profile): Likewise.
5325
5326         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
5327         (eliminate_tail_call): Likewise.
5328
5329         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
5330
5331         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
5332         Use TREE_OPERAND_LENGTH and generalize to handle any number of
5333         operands.
5334         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
5335
5336         * omp-low.c (build_omp_barrier): Use build_call_expr.
5337         (lower_rec_input_clauses): Likewise.
5338         (lower_reduction_clauses): Likewise.
5339         (expand_parallel_call): Likewise.
5340         (maybe_catch_exception): Likewise.
5341         (expand_omp_for_generic): Likewise.
5342         (expand_omp_for_static_nochunk): Likewise.
5343         (expand_omp_sections): Likewise.
5344         (lower_omp_single_simple): Likewise.
5345         (lower_omp_single_copy): Likewise.
5346         (lower_omp_master): Likewise.
5347         (lower_omp_ordered): Likewise.
5348         (lower_omp_critical): Likewise.
5349
5350         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
5351         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
5352
5353         * tree-gimple.c (is_gimple_call_addr): Fix doc.
5354         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
5355         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
5356
5357         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
5358         and generalize to handle any number of operands.
5359         (chrec_contains_undetermined): Likewise.
5360         (tree_contains_chrecs): Likewise.
5361         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
5362
5363         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
5364
5365         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
5366         fold_call_expr instead of fold_builtin.
5367         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
5368         match declarations there.
5369         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
5370         updates.
5371
5372         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
5373         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5374
5375         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
5376         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
5377
5378         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
5379         accessors.
5380
5381         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
5382         (execute_cse_sincos): Use new CALL_EXPR accessors.
5383
5384         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
5385
5386         * gimple-low.c (lower_function_body): Use build_call_expr.
5387         (lower_builtin_setjmp): Likewise.
5388
5389         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
5390         (set_storage_via_libcall): Likewise.
5391         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
5392         instead of TREE_CODE_LENGTH.
5393         (expand_expr_real_1): Use new CALL_EXPR accessors.
5394
5395         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
5396         generalize to handle any number of operands.
5397         (TB_parent_eq): Likewise.
5398
5399         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
5400         (strip_builtin_expect): Likewise.
5401
5402         * function.c (gimplify_parameters): Use build_call_expr.
5403
5404         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
5405         instead of TREE_CODE_LENGTH.
5406
5407         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
5408         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
5409
5410         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
5411         iterators.
5412
5413         * gimplify.c (build_stack_save_restore): Use build_call_expr.
5414         (gimplify_decl_expr): Likewise.
5415         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
5416         Use new CALL_EXPR iterators.
5417         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
5418         (gimplify_modify_expr_to_memset): Likewise.
5419         (gimplify_variable_sized_compare): Likewise.
5420         (gimplify_omp_atomic_fetch_op): Likewise.
5421         (gimplify_omp_atomic_pipeline): Likewise.
5422         (gimplify_omp_atomic_mutex): Likewise.
5423         (gimplify_function_tree): Likewise.
5424
5425         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
5426         (call_expr_flags): Likewise.
5427         (expand_call): Likewise.
5428
5429         * except.c (expand_builtin_eh_return_data_regno): Pass entire
5430         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
5431         accessors.
5432
5433         * coverage.c (create_coverage): Use build_call_expr.
5434
5435         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
5436         (temp_call_expr_obstack): New.
5437         (pool_copy_list): Delete.
5438         (temp_copy_call_expr): New.
5439         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
5440         CALL_EXPR accessors.  Get rid of special goo for copying argument
5441         lists and use temp_copy_call_expr instead.
5442         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
5443         CALL_EXPR accessors.
5444         (create_expression_by_pieces): Likewise.  Use build_call_array
5445         to construct the result instead of fold_build3.
5446         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
5447         dealing with argument lists.
5448         (init_pre): Remove references to expression_node_pool and
5449         list_node_pool.  Init temp_call_expr_obstack instead.
5450         (fini_pre): Remove references to expression_node_pool and
5451         list_node_pool.
5452
5453         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
5454         and walk arguments explicitly instead of as a list.
5455
5456         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
5457         (mx_register_decls): Likewise.
5458         (mudflap_register_call): Likewise.
5459         (mudflap_finish_file): Likewise.
5460
5461         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
5462         (ipa_callsite_compute_param): Likewise.
5463
5464         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
5465         accessors and constructor.
5466
5467         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
5468         accessors and constructor.
5469         (convert_tramp_reference): Likewise.
5470         (convert_call_expr): Likewise.
5471         (finalize_nesting_tree_1): Likewise.
5472
5473         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
5474         accessors.
5475
5476         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
5477
5478         * tree-inline.c (initialize_inlined_parameters): Pass entire
5479         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
5480         accessors.
5481         (estimate_num_insns_1): Use new CALL_EXPR accessors.
5482         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
5483
5484         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
5485         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5486         (vectorizable_reduction): Likewise.
5487         (vectorizable_call): Use new CALL_EXPR iterators.
5488         (vectorizable_conversion): Use build_call_expr.
5489         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
5490         (vect_gen_widened_results_half): Use build_call_expr.
5491         (vect_setup_realignment): Likewise.
5492         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
5493
5494         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
5495         (pass_through_call): Likewise.
5496         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
5497         fold_builtin.
5498
5499         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
5500         (tree_gen_pow2_profiler): Likewise.
5501         (tree_gen_one_value_profiler): Likewise.
5502         (tree_gen_ic_func_profiler): Likewise.
5503         (tree_gen_average_profiler): Likewise.
5504         (tree_gen_ior_profiler): Likewise.
5505
5506         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
5507         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
5508         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5509
5510         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
5511         of TREE_CODE_LENGTH.
5512
5513         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
5514         of TREE_CODE_LENGTH.
5515
5516         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
5517         constructor.
5518         (convert_to_integer): Likewise.
5519
5520         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
5521         accessors.
5522
5523 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5524             Brooks Moses  <brooks.moses@codesourcery.com>
5525             Lee Millward  <lee.millward@codesourcery.com>
5526
5527         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
5528         accessors.
5529         * config/frv/frv.c (frv_expand_builtin): Likewise.
5530         * config/s390/s390.c (s390_expand_builtin): Likewise.
5531
5532         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
5533         (sparc_expand_builtin): Use new CALL_EXPR accessors.
5534
5535         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
5536         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
5537         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
5538         (ix86_expand_store_builtin): Likewise.
5539         (ix86_expand_unop_builtin): Likewise.
5540         (ix86_expand_unop1_builtin): Likewise.
5541         (ix86_expand_sse_compare): Likewise.
5542         (ix86_expand_sse_comi): Likewise.
5543         (ix86_expand_vec_init_builtin): Likewise.
5544         (ix86_expand_vec_ext_builtin): Likewise.
5545         (ix86_expand_vec_set_builtin): Likewise.
5546         (ix86_expand_builtin): Use new CALL_EXPR accessors.
5547
5548         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
5549         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
5550
5551         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
5552         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5553         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
5554
5555         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
5556         build_call_expr.
5557         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
5558         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
5559         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5560         (altivec_expand_abs_builtin): Likewise.
5561         (rs6000_expand_binop_builtin): Likewise.
5562         (altivec_expand_predicate_builtin): Likewise.
5563         (altivec_expand_lv_builtin): Likewise.
5564         (spe_expand_stv_builtin): Likewise.
5565         (altivec_expand_stv_builtin): Likewise.
5566         (rs6000_expand_ternop_builtin): Likewise.
5567         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
5568         (altivec_expand_st_builtin): Likewise.
5569         (altivec_expand_dst_builtin): Likewise.
5570         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
5571         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5572         (altivec_expand_vec_set_builtin): Likewise.
5573         (altivec_expand_vec_ext_builtin): Likewise.
5574         (altivec_expand_builtin): Use new CALL_EXPR accessors.
5575         (spe_expand_builtin): Likewise.
5576         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
5577         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5578         (spe_expand_evsel_builtin): Likewise.
5579         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
5580         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
5581
5582         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
5583         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5584         (arm_expand_unop_builtin): Likewise.
5585         (arm_expand_builtin): Use new CALL_EXPR accessors.
5586
5587         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
5588         accessors.
5589
5590         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
5591         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5592         (bfin_expand_unop_builtin): Likewise.
5593         (bfin_expand_builtin): Use new CALL_EXPR accessors.
5594
5595 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5596             Brooks Moses  <brooks.moses@codesourcery.com>
5597             Lee Millward  <lee.millward@codesourcery.com>
5598
5599         * c-semantics.c (build_stmt): Add internal diagnostic check.
5600
5601         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
5602         accessors.  Print arguments explicitly instead of as a list.
5603
5604         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
5605
5606         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
5607         (c_finish_omp_flish): Likewise.
5608
5609         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
5610         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
5611         instead of TREE_CODE_LENGTH.
5612         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
5613         (c_warn_unused_result): Likewise.
5614
5615 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5616
5617         PR c/26494
5618         * doc/invoke.texi (Warning Options): Remove
5619         -Werror-implicit-function-declaration.
5620         (Wimplicit-function-declaration): Update description.
5621         * opts.c (common_handle_option): Move handling of -Werror=* to...
5622         (enable_warning_as_error): ...here.
5623         * opts.h (enable_warning_as_error): Declare.
5624         * c-decl.c (implicit_decl_warning): Unless
5625         -Wno-implicit-function-declaration is given, emit a pedwarn if
5626         -std=c99 or emit a warning if -Wimplicit-function-declaration.
5627         * c.opt (Wimplicit-function-declaration): Replace
5628         mesg_implicit_function_declaration with
5629         warn_implicit_function_declaration.
5630         * c-opts.c (c_common_handle_option):
5631         -Werror-implicit-function-declaration is exactly equal as
5632         -Werror=implicit-function-declaration.
5633         (set_Wimplicit): Replace mesg_implicit_function_declaration with
5634         warn_implicit_function_declaration.
5635         (c_common_post_options): -Wimplict-function-declaration is enabled
5636         by default by -std=c99, otherwise is disabled by default.
5637         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
5638
5639 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5640
5641         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
5642         DECL on the rhs to a DECL on the lhs for debug info purposes if the
5643         former is ignored but not the latter.
5644
5645 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5646
5647         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
5648         is made and the reference doesn't use the alias set of its type,
5649         do not create the temporary using that type.
5650
5651 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
5652
5653         * jump.c: Remove prototypes for delete_computation and
5654         delete_prior_computation.
5655
5656 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
5657
5658         * jump.c (get_label_after): Delete.
5659         (get_label_before, delete_computation, delete_jump,
5660         delete_prior_computation, follow_jumps): Move...
5661         * reorg.c (delete_computation, delete_prior_computation): ... here...
5662         (get_label_before, delete_jump): ... making these static ...
5663         (follow_jumps): ... and simplifying this since it only runs after
5664         reload.
5665         * rtl.h (get_label_after, get_label_before, delete_jump,
5666         follow_jumps): Delete prototypes.
5667
5668 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
5669
5670         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
5671
5672 2007-02-15  Nick Clifton  <nickc@redhat.com>
5673
5674         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
5675         order to prevent it from being munged by the target.
5676
5677 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
5678
5679         * config/i386/i386.md: Remove misleading comment.
5680
5681 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5682
5683         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
5684         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
5685         invalid patterns.
5686
5687 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5688
5689         * tree-sra.c (instantiate_missing_elements): Canonicalize
5690         bit-field types.
5691         (sra_build_assignment): New.
5692         (generate_copy_inout, generate_element_copy,
5693         generate_element_zero, generate_one_element_init): Use it.
5694
5695 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5696
5697         * tree-sra.c (instantiate_missing_elements): Canonicalize
5698         bit-field types.
5699         (sra_build_assignment): New.
5700         (generate_copy_inout, generate_element_copy,
5701         generate_element_zero, generate_one_element_init): Use it.
5702
5703 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5704
5705         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
5706         limbo die nodes.
5707
5708 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
5709
5710         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
5711         types as aggregates not scalars.
5712         * function.c (assign_stack_temp_for_type): Likewise.
5713
5714 2007-02-14  Roger Sayle  <roger@eyesopen.com>
5715             Zdenek Dvorak  <dvorakz@suse.cz>
5716
5717         * tree-dump.c (dump_switch_p_1): Require exact match of the option
5718         name.
5719
5720 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
5721
5722         * passes.c (next_pass_1): Clear the next field of the copied
5723         pass structure.
5724
5725 2007-02-14  Richard Henderson  <rth@redhat.com>
5726
5727         * tree-sra.c (early_sra): New.
5728         (decl_can_be_decomposed_p): Deny va_list if early_sra.
5729         (tree_sra_early, pass_sra_early): New.
5730         * tree-pass.h (pass_sra_early): Declare.
5731         * passes.c (init_optimization_passes): Use it.
5732
5733 2007-02-14  Richard Guenther  <rguenther@suse.de>
5734
5735         * flags.h (issue_strict_overflow_warning): Convert to a macro.
5736
5737 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
5738
5739          PR tree-optimization/30771
5740         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
5741         also phi nodes.
5742         (vect_analyze_operations): Induction phis can now be marked as
5743         used_in_loop.
5744         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
5745         Update documentation accordingly.
5746
5747 2007-02-14  Nick Clifton  <nickc@redhat.com>
5748
5749         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
5750         most 3 arguments are supported.
5751         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
5752
5753 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
5754
5755         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
5756         Ensure dst->current is valid.
5757
5758 2007-02-13  Paul Brook  <paul@codesourcery.com>
5759
5760         * config.gcc: Add arm*-*-uclinux-*eabi.
5761         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
5762         (SUBTARGET_EXTRA_LINK_SPEC): Define.
5763         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
5764         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
5765         (LINK_SPEC): Define.
5766         (LIB_SPEC): Define.
5767         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
5768         register.
5769         * config/arm/uclinux-eabi.h: New file.
5770         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
5771         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
5772         based targets.
5773
5774 2007-02-13  Ian Lance Taylor  <iant@google.com>
5775
5776         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
5777         * flags.h (warn_strict_overflow): Declare.
5778         (enum warn_strict_overflow_code): Define.
5779         (issue_strict_overflow_warning): New static inline function.
5780         * opts.c (warn_strict_overflow): New variable.
5781         (common_handle_option): Handle OPT_Wstrict_overflow and
5782         OPT_Wstrict_overflow_.
5783         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
5784         OPT_Wall.
5785         * fold-const.c: Include intl.h.
5786         (fold_deferring_overflow_warnings): New static variable.
5787         (fold_deferred_overflow_warning): New static variable.
5788         (fold_deferred_overflow_code): New static variable.
5789         (fold_defer_overflow_warnings): New function.
5790         (fold_undefer_overflow_warnings): New function.
5791         (fold_undefer_and_ignore_overflow_warnings): New function.
5792         (fold_deferring_overflow_warnings_p): New function.
5793         (fold_overflow_warning): New static function.
5794         (make_range): Add strict_overflow_p parameter.  Change all
5795         callers.
5796         (extract_muldiv, extract_muldiv_1): Likewise.
5797         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
5798         tree_expr_nonnegative_p.
5799         (fold_negate_expr): Call fold_overflow_warning.
5800         (fold_range_test): Likewise.
5801         (fold_comparison): Likewise.
5802         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
5803         instead of tree_expr_nonnegative_p.
5804         (tree_expr_nonnegative_warnv_p): Rename from
5805         tree_expr_nonnegative_p, add strict_overflow_p parameter.
5806         (tree_expr_nonnegative_p): New function.
5807         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
5808         strict_overflow_p parameter.
5809         (tree_expr_nonzero_p): New function.
5810         * passes.c (verify_interpass_invariants): New static function.
5811         (execute_one_pass): Call it.
5812         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
5813         warnings.
5814         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
5815         (estimate_numbers_of_iterations): Likewise.
5816         (scev_probably_wraps_p): Likewise.
5817         * tree-ssa-ccp.c: Include "toplev.h".
5818         (evaluate_stmt): Defer fold overflow warnings until we know we are
5819         going to optimize.
5820         (struct fold_stmt_r_data): Add stmt field.
5821         (fold_stmt_r): Defer fold overflow warnings until we know we
5822         optimized.
5823         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
5824         (fold_stmt_inplace): Likewise.
5825         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
5826         (cleanup_control_expr_graph): Defer fold overflow warnings until
5827         we know we are going to optimize.
5828         * tree-cfg.c (fold_cond_expr_cond): Likewise.
5829         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
5830         Likewise.
5831         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
5832         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
5833         * tree-ssa-loop-manip.c (create_iv): Likewise.
5834         * c-typeck.c (build_conditional_expr): Likewise.
5835         (build_binary_op): Likewise.
5836         * tree-vrp.c (vrp_expr_computes_nonzero): Call
5837         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
5838         (extract_range_from_unary_expr): Likewise.
5839         * simplify-rtx.c (simplify_const_relational_operation): Warn when
5840         assuming that signed overflow does not occur.
5841         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
5842         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
5843         (fold_defer_overflow_warnings): Declare.
5844         (fold_undefer_overflow_warnings): Declare.
5845         (fold_undefer_and_ignore_overflow_warnings): Declare.
5846         (fold_deferring_overflow_warnings_p): Declare.
5847         (tree_expr_nonzero_warnv_p): Declare.
5848         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
5849         of warning options.
5850         (Warning Options): Document -Wstrict-overflow.
5851         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
5852         (tree-ssa-ccp.o): Likewise.
5853         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
5854         (fold-const.o): Depend on intl.h.
5855
5856 2007-02-13  Ian Lance Taylor  <iant@google.com>
5857
5858         PR middle-end/30751
5859         * lower-subreg.c (resolve_simple_move): Decompose subregs in
5860         addresses.
5861
5862 2007-02-13  Stuart Hastings  <stuart@apple.com>
5863
5864         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
5865
5866 2007-02-13  Richard Henderson  <rth@redhat.com>
5867
5868         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
5869         handled_component_p before looking for the indirect_ref.
5870
5871 2007-02-13  Richard Henderson  <rth@redhat.com>
5872
5873         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
5874         remove flags clobber.
5875         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
5876         (bswaphi_lowpart): New.
5877         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
5878         remove TARGET_BSWAP test.  Delete expander of the same name.
5879
5880         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
5881         (expand_unop): Use them.
5882
5883 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
5884
5885         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
5886         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
5887         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
5888         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
5889         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
5890         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
5891         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
5892         assembler dialect choice from asm templates.
5893
5894 2007-02-12  Richard Henderson  <rth@redhat.com>
5895
5896         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
5897         (fixuns_trunc<SSEMODEF>si2): Use it.
5898         * config/i386/sse.md (vec_setv4sf_0): Export.
5899         * config/i386/i386.c (ix86_build_const_vector): Export.
5900         (ix86_split_convert_uns_si_sse): Rename from
5901         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
5902         * config/i386/i386-protos.h: Update.
5903
5904 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5905
5906         PR c/29521
5907         * c-typeck.c (c_finish_return): Improve warning message.
5908
5909 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5910
5911         * alias.c (find_symbolic_term): Delete unused function.
5912
5913 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
5914
5915         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
5916         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
5917         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
5918
5919 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
5920
5921         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
5922         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
5923         the function, temporarily point the debug interface to the null one.
5924
5925 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
5926
5927         * dwarf2out.c (round_up_to_align): New static function.
5928         (field_byte_offset): Use it to round the offset.
5929
5930 2007-02-12  Richard Henderson  <rth@redhat.com>
5931
5932         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
5933         (inswl_const): Export.
5934
5935 2007-02-12  Richard Henderson  <rth@redhat.com>
5936
5937         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
5938         result mode of the libcall, convert back to outmode.
5939
5940 2007-02-12  Roger Sayle  <roger@eyesopen.com>
5941
5942         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
5943         (bswapdi2): New define_expand to implement 32-bit implementation.
5944
5945 2007-02-12  Nick Clifton  <nickc@redhat.com>
5946
5947         * doc/invoke.texi (Overall Options): Document --help=.
5948         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
5949         (cc1_options): Pass --help= on to cc1.
5950         (display_help): Add description of --help=.
5951         (process_command): Add code to handle --help=.  Allow translated
5952         --help and --target-help switches to be passed on to compiler
5953         sub-process.
5954         (main): Remove unused if statement.
5955         * opts.c (columns): Remove.
5956         (LEFT_COLUMN): Define.
5957         (wrap_help): Add columns argument.
5958         (print_filtered_help): Change parameters to be an include bitmask,
5959         an exclude bitmask, an any bitmask and the column width.  Move the
5960         code to display the params list here.  Add code to display the
5961         status of options rather than their descriptions if the quiet flag
5962         is not active.
5963         (print_specific_help): Change parameters to be an include bitmask,
5964         an exclude bitmask and an any bitmask.  Move code to look up the
5965         column width here.  Decide upon the title for an options listing.
5966         (common_handle_options): Add code to handle --help=.  Adapt code
5967         for --help and --target-help to use the revised form of the
5968         print_specific_help function.
5969         (print_help): Delete.
5970         (print_param_help): Delete.
5971         (print_switch): Delete.
5972         * opts.h (cl_lang_count): Add prototype.
5973         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
5974         CL_MAX_OPTION_CLASS): New defines.
5975         * optc-gen.awk: Add construction of cl_lang_count.
5976         * c.opt: Add Warning attribute to warning options and Optimization
5977         attribute to optimization options.
5978         * common.opt: Likewise.
5979         Add --help=.
5980         Add -fhelp and -ftarget-help as aliases for the transformed --help
5981         and --target-help options.
5982         * opt-functions.awk: Add code to handle Warning and Optimization
5983         attributes.
5984
5985 2007-02-12  Richard Henderson  <rth@redhat.com>
5986
5987         * config/alpha/constraints.md: New file.
5988         * config/alpha/alpha.c: Include tm-constrs.h.
5989         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
5990         alpha_extra_constraint): Remove.
5991         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
5992         * config/alpha/alpha-protos.h: Update.
5993         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
5994         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
5995         (EXTRA_CONSTRAINT): Remove.
5996         * config/alpha/alpha.md: Include constraints.md.
5997         (adddi splitter): Use satisfies_constraint_*.
5998         * config/alpha/predicates.md (add_operand): Likewise.
5999         (sext_add_operand, addition_operation): Likewise.
6000
6001 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
6002
6003         PR tree-optimization/29145
6004         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
6005         in our handling of restrict qualified pointers.
6006
6007 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6008
6009         PR middle-end/7651
6010         * doc/invoke.texi (Wunused-value): Update description.
6011         (Wextra): Delete item.
6012         * opts.c (set_Wextra): Don't use the value of Wextra to set the
6013         value of Wunused-value.
6014         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
6015         (c_finish_stmt_expr): Don't check extra_warnings.
6016         (emit_side_effect_warnings): The caller is responsible to check
6017         warn_unused_value.
6018
6019 2007-02-11  Roger Sayle  <roger@eyesopen.com>
6020             Matt Thomas  <matt@3am-software.com>
6021
6022         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
6023
6024 2007-02-11  Roger Sayle  <roger@eyesopen.com>
6025
6026         * simplify-rtx.c (simplify_relational_operation_1): Optimize
6027         comparisons of POPCOUNT against zero.
6028         (simplify_const_relational_operation): Likewise.
6029
6030 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6031
6032         * doc/invoke.texi (Wextra): Delete outdated paragraph.
6033
6034 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6035
6036         * dwarf2out.c (root_type): Delete unused function.
6037
6038 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6039
6040         * genattrtab.c (contained_in_p): Delete unused function.
6041         (write_expr_attr_cache): Likewise.
6042
6043 2007-02-11  Jan Hubicka  <jh@suse.cz>
6044
6045         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
6046         previous patch.
6047
6048 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
6049
6050         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
6051         to add the REG_EQ* note.
6052         * see.c (see_merge_one_use_extension): Likewise.
6053         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
6054         turn REG_EQUAL notes into REG_EQUIV notes if the target
6055         register may have more than one set.
6056         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
6057         * gcse.c (try_replace_reg): Likewise.
6058         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
6059         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
6060         more than one REG_EQUIV note.
6061         * reload1.c (gen_reload): Use set_unique_reg_note.
6062
6063 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
6064
6065         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
6066         (ix86_builtin_conversion): New function.
6067
6068 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
6069
6070         PR target/29487
6071         * tree.h (DECL_REPLACEABLE_P): New macro.
6072         * except.c (set_nothrow_function_flags): Likewise.
6073
6074 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
6075             Ira Rosen  <irar@il.ibm.com>
6076             Dorit Nuzman  <dorit@il.ibm.com>
6077
6078         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
6079         * targhooks.c (default_builtin_vectorized_conversion): New.
6080         * targhooks.h (default_builtin_vectorized_function): New declaration.
6081         * target.h (struct vectorize): Add builtin_conversion field.
6082         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
6083         stmt_vec_info_type value.
6084         (vectorizable_conversion): New declaration.
6085         * tree-vect-analyze.c (vect_analyze_operations): Add
6086         vectorizable_conversion call.
6087         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
6088         * tree-vect-transform.c (vectorizable_conversion): New function.
6089         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
6090         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
6091         mode.
6092         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
6093         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
6094         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
6095         or ALTIVEC_BUILTIN_VCFSX.
6096
6097 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6098
6099         PR target/30634
6100         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
6101         CONST_DOUBLE and operand 0 is a hard register.
6102         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
6103         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
6104         is a hard floating-point register.
6105
6106 2007-02-10  Richard Henderson  <rth@redhat.com>
6107             Jakub Jelinek  <jakub@redhat.com>
6108             Alexandre Oliva  <aoliva@redhat.com>
6109
6110         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
6111         * builtin-types.def (BT_WORD): Make unsigned.
6112         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
6113         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
6114         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
6115         * c-decl.c (grokdeclarator): Don't error if !have_tls.
6116         * c-parser.c (c_parser_omp_threadprivate): Likewise.
6117         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
6118         emulated tls.
6119         * expr.c (emutls_var_address): New.
6120         (expand_expr_real_1): Expand emulated tls.
6121         (expand_expr_addr_expr_1): Likewise.
6122         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
6123         * output.h (emutls_finish): Declare.
6124         * toplev.c (compile_file): Call it.
6125         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
6126         address before wrapping in CONST.
6127         * varasm.c (emutls_htab, emutls_object_type): New.
6128         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
6129         (get_emutls_object_name, get_emutls_object_type): New.
6130         (get_emutls_init_templ_addr, emutls_decl): New.
6131         (emutls_common_1, emutls_finish): New.
6132         (assemble_variable): When emulating tls, swap decls; generate
6133         constructor for the emutls objects.
6134         (do_assemble_alias): When emulating tls, swap decl and target name.
6135         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
6136         for emulated tls.
6137         * varpool.c (decide_is_variable_needed): Look at force_output.
6138         Recurse for emulated tls.
6139         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
6140         with decide_is_variable_needed.
6141         * emutls.c: New file.
6142         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
6143         tls_object for real tls.
6144
6145 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
6146
6147         PR rtl-optimization/29599
6148         * reload1.c (eliminate_regs_in_insn): Take the destination
6149         mode into account when computing the offset.
6150
6151 2007-02-09  Stuart Hastings  <stuart@apple.com>
6152             Richard Henderson  <rth@redhat.com>
6153
6154         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
6155         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
6156         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
6157         fixuns_truncdfhi2): New.
6158         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
6159         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
6160         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
6161         (floatunssidf2): Allow nonimmediate source.
6162         * gcc/config/i386/sse.md (movdi_to_sse): New.
6163         (vec_concatv2di): Drop '*'.
6164         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
6165         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
6166         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
6167         New.
6168         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
6169         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
6170         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
6171         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
6172         (ix86_build_signbit_mask): Fix decl of v, refactor to call
6173         ix86_build_const_vector.
6174         (x86_emit_floatuns): Rewrite.
6175
6176 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6177
6178         * genautomata.c (longest_path_length): Delete unused function.
6179         (struct state): Delete unused longest_path_length.
6180         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
6181         (get_free_state): Delete unused.
6182
6183 2007-02-09  Jan Hubicka  <jh@suse.cz>
6184
6185         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
6186         * doc/invoke.texi (inline-unit-growth): Update default value.
6187
6188         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
6189         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
6190         (rebuild_cgraph_edges): Likewise.
6191         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
6192         (dump_cgraph_node): Dump frequencies.
6193         (cgraph_clone_edge): Add frequency scales.
6194         (cgraph_clone_node): Add freuqnecy.
6195         * cgraph.h (cgraph_edge): Add freuqnecy argument.
6196         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
6197         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
6198         * tree-pass.h (TODO_rebuild_frequencies): New constant.
6199         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
6200         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
6201         (save_inline_function_body): Likewise.
6202         * ipa-inline.c: inluce rtl.h
6203         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
6204         (cgraph_edge_badness): Use frequencies.
6205         (cgraph_decide_recursive_inlining): Update clonning.
6206         (cgraph_decide_inlining_of_small_function): Dump frequency.
6207         * predict.c (estimate_bb_frequencies): Export.
6208         * predict.h (estimate_bb_frequencies): Declare.
6209         * tree-inline.c (copy_bb): Watch overflows.
6210         (expand_call_inline): Update call of cgraph_create_edge.
6211         (optimize_inline_calls): Use TODO flags to update frequnecies.
6212         * passes.h: Include predict.h
6213         (init_optimization_passes): Move profile ahead.
6214         (execute_function_todo): Handle TODO_rebuild_frequencies.
6215
6216 2007-02-09  Roger Sayle  <roger@eyesopen.com>
6217
6218         * config/alpha/alpha.c (emit_insxl): Force the first operand of
6219         the insbl or inswl pattern into a register.
6220
6221 2007-02-09  Roger Sayle  <roger@eyesopen.com>
6222
6223         * config/ia64/ia64.md (bswapdi2): New define_insn.
6224
6225 2007-02-09  Richard Henderson  <rth@redhat.com>
6226
6227         * config/i386/constraints.md (Ym): New constraint.
6228         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
6229         (movdi_1_rex64): Split sse and xmm general register moves from
6230         memory move alternatives.  Use conditional register constraints.
6231         (movsf_1, movdf_integer): Likewise.
6232         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
6233         (movdf_integer_rex64): New.
6234         (pushsf_rex64): Fix output constraints.
6235         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
6236         (sse2_stored): Likewise.
6237         (sse2_storeq_rex64): New.
6238         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
6239         amd and not generic.
6240         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
6241         for optimize_size.  Remove SF/DFmode hack.
6242
6243 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6244
6245         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
6246         (bit_SSE4a): New.
6247
6248 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
6249             Richard Sandiford  <richard@codesourcery.com>
6250
6251         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
6252         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
6253         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
6254         m68k/t-mlib to tmake_file.
6255         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
6256         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
6257         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
6258         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
6259         variable is not empty, add t-$m68k_arch_family to tmake_file.
6260         Add t-mlibs to tmake_file.
6261         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
6262         * config/m68k/t-cf: New file.
6263         * config/m68k/t-m68k: Likewise.
6264         * config/m68k/t-mlibs: Likewise.
6265         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6266         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6267         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
6268         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6269         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
6270         Delete.
6271         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
6272         (INSTALL_LIBGCC): Delete.
6273         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
6274         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6275         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6276         (M68K_MLIB_CPU): Define.
6277         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6278         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6279         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
6280
6281 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
6282             Richard Guenther  <rguenther@suse.de>
6283
6284         PR middle-end/23361
6285         * fold-const.c (fold_comparison): Handle obfuscated comparisons
6286         against INT_MIN/INT_MAX.
6287         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
6288         file if a loop is removed.
6289
6290 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
6291
6292         * calls.c (store_one_arg): Pass correct alignment to
6293         emit_push_insn for non-BLKmode values.
6294         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
6295         unaligned stack slot via a suitably aligned slot.
6296
6297 2007-02-08  DJ Delorie  <dj@redhat.com>
6298
6299         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
6300         warnings.
6301         (legal_subregs): Use unsigned char, make const.
6302         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
6303
6304 2007-02-08  Paul Brook  <paul@codesourcery.com>
6305
6306         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
6307         special interworking needed.
6308
6309 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
6310
6311         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
6312         conditional to __SSE2__.
6313         (Entries below should have been added to first ChangeLog
6314         entry for amdfam10 dated 2007-02-05)
6315         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
6316         defined.
6317         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
6318         defined.
6319         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
6320         defined.
6321
6322 2007-02-08  DJ Delorie  <dj@redhat.com>
6323
6324         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
6325         * config/m32c/m32c.c (legal_subregs): New.
6326         (m32c_illegal_subreg_p): New.
6327         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
6328         unsupported subregs of hard regs.
6329
6330 2007-02-08  Jan Hubicka  <jh@suse.cz>
6331
6332         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
6333         the same one; always update histograms.
6334
6335 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
6336
6337         * passes.c (init_optimization_passes): Tidy comment.
6338
6339 2007-02-08  Roger Sayle  <roger@eyesopen.com>
6340
6341         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
6342         strip zero_extend, bswap and rotates from POCOUNT's argument.
6343         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
6344         zero_extend and rotates from PARITY's argument.
6345         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
6346         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
6347         of an integer constant at compile-time.
6348
6349 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
6350
6351         PR 30562
6352         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
6353         Update all users.
6354         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
6355         users.
6356         (init_alias_info):
6357         * tree-ssa-live.c (remove_unused_locals): Do not remove
6358         TREE_ADDRESSABLE variables.
6359         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
6360         * tree-ssa-operands.c (add_virtual_operand): Remove argument
6361         FOR_CLOBBER.  Update all users.
6362         If VAR has an associated alias set, add a virtual operand for
6363         it if no alias is found to conflict with the memory reference.
6364
6365 2007-02-07  Jan Hubicka  <jh@suse.cz>
6366             Robert Kidd <rkidd@crhc.uiuc.edu>
6367
6368         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
6369
6370 2007-02-07  Ian Lance Taylor  <iant@google.com>
6371
6372         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
6373
6374 2007-02-07  Roger Sayle  <roger@eyesopen.com>
6375
6376         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
6377         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
6378         tablejumpdi, movsi_to_cr_one): Remove constraints from
6379         define_expand's match_operands.
6380
6381 2007-02-07  Roger Sayle  <roger@eyesopen.com>
6382
6383         * global.c (compute_regsets): Move declatation of "i" inside of
6384         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
6385
6386 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
6387
6388         PR c++/30703
6389         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
6390         of INDIRECT_REF <RESULT_DECL>.
6391
6392         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
6393
6394 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
6395             Kaz Kojima  <kkojima@gcc.gnu.org>
6396
6397         PR target/29746
6398         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
6399         properly.
6400         (sh_initialize_trampoline): Add parentheses to avoid a warning.
6401
6402 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
6403
6404         * doc/loop.texi: Document possibility not to perform disambiguation
6405         of loops with multiple latches.
6406         * cfgloopmanip.c (alp_enum_p): Removed.
6407         (add_loop): Handle subloops.  Use get_loop_body_with_size.
6408         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
6409         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
6410         the new forwarder block.
6411         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
6412         Handle the case latch is NULL.
6413         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
6414         when marking loop exits.
6415         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
6416         be modified.
6417         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
6418         disambiguate_loops_with_multiple_latches.
6419         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
6420         before fix_loop_structure.
6421         * cfgloop.c: Include pointer-set.h and output.h.
6422         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
6423         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
6424         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
6425         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
6426         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
6427         disambiguate_multiple_latches, get_loop_body_with_size,
6428         disambiguate_loops_with_multiple_latches): New functions.
6429         (flow_loop_dump): Dump multiple latch edges.
6430         (flow_loop_nodes_find): Handle loops with multiple latches.
6431         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
6432         (glb_enum_p): Modified.
6433         (get_loop_body): Use get_loop_body_with_size.
6434         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
6435         (AVOID_CFG_MODIFICATIONS): New constant.
6436         (disambiguate_loops_with_multiple_latches, add_loop,
6437         get_loop_body_with_size): Declare.
6438         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
6439
6440 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
6441
6442         PR inline-asm/28686
6443         * global.c (compute_regsets): New function.
6444         (global_alloc): Refactored ELIMINABLE_REGSET
6445         and NO_GLOBAL_ALLOC_REGS computation out.
6446         (rest_of_handle_global_alloc): Call compute_regsets()
6447         for non-optimizing case.
6448
6449 2007-02-06  Richard Henderson  <rth@redhat.com>
6450
6451         * config/i386/constraints.md (Y2): Rename from Y.
6452         (Yi): New constraint.
6453         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
6454         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
6455         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
6456         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
6457         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
6458         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
6459         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
6460         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
6461         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
6462         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
6463         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
6464         vec_extractv2si_1): Change Y constraints to Y2.
6465         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
6466         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
6467         Change Y constraints to Y2.
6468         (sse2_loadld): Change Y constraints to x.
6469
6470 2007-02-06  Roger Sayle  <roger@eyesopen.com>
6471
6472         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
6473         (parity<mode>2): New define_expand using rs6000_emit_parity.
6474         * config/rs6000/rs6000.c (rs6000_emit_popcount,
6475         rs6000_emit_parity): New functions.
6476         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
6477         rs6000_emit_parity): Prototype here.
6478
6479 2007-02-06  Ian Lance Taylor  <iant@google.com>
6480
6481         * lower-subreg.c (simple_move_operand): Reject CONST.
6482         (resolve_clobber): Call validate_change rather than directly
6483         assigning to XEXP (pat, 0).
6484
6485 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
6486
6487         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
6488         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
6489         (tree-cfg.o): Remove hashtab.h dependency.
6490
6491         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
6492         (struct ivopts_data): Change niters to pointer_map_t.
6493         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
6494         (niter_for_exit): Create pointer_map on demand.  Change for
6495         pointer_map API.
6496         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
6497         (free_loop_data): Destroy data->niters if created and reset field.
6498         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
6499         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
6500
6501         * tree-ssa-reassoc.c: Include pointer-set.h.
6502         (bb_rank): Change to long *.
6503         (operand_rank): Change to pointer_map_t.
6504         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
6505         (insert_operand_rank): Accept long.
6506         (operand_entry_hash, operand_entry_eq): Remove.
6507         (get_rank): Return long.  Adjust for changes above.
6508         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
6509         and operand_rank.
6510         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
6511
6512         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
6513         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
6514         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
6515         is not NULL.
6516         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
6517         directly since it cannot be NULL.
6518         (get_vi_for_tree): Rewrite for pointer_map API.
6519         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
6520         (init_alias_vars): Create vi_for_tree as pointer_map.
6521         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
6522
6523         * tree-cfg.c: Don't include hashtab.h.
6524         (edge_to_cases): Declare as pointer_map.
6525         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
6526         Delete.
6527         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
6528         (start_recording_case_labels): Create edge_to_cases as pointer_map.
6529         (end_recoding_case_labels): Cleanup edge_to_cases manually before
6530         destroying it.
6531         (record_switch_edge): Delete.
6532         (get_cases_for_edge): Adjust for pointer_map API, inline
6533         record_switch_edge (rewritten for new API), remove goto.
6534
6535 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
6536
6537         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
6538         * tree-nested.c: Include pointer-set.h.
6539         (var_map_elt, var_map_eq, var_map_hash): Delete.
6540         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
6541         to pointer_map_t's.
6542         (nesting_info_bitmap_obstack): New.
6543         (lookup_field_for_decl): Adjust for pointer_map API.
6544         (lookup_tramp_for_decl): Adjust for pointer_map API.
6545         (get_nonlocal_debug_decl): Adjust for pointer_map API.
6546         (get_local_debug_decl): Adjust for pointer_map API.
6547         (convert_nl_goto_reference): Adjust for pointer_map API.
6548         (convert_nl_goto_receiver): Adjust for pointer_map API.
6549         (create_nesting_tree): Create outside GGC space.  Create bitmap on
6550         the new obstack.  Create field_map and var_map as pointer_maps.
6551         (free_nesting_tree): Adjust for changes to create_nesting_tree.
6552         (root): Delete.
6553         (lower_nested_functions): Move root here, no need to NULL it.
6554         Initialize and release the obstack.
6555
6556 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
6557
6558         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
6559         Remove prototypes and make them non-static.
6560         (struct tree_int_map): Remove.
6561         * tree.h (struct tree_int_map): Move here, turning TO into an
6562         unsigned int.
6563         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
6564
6565         * tree.h (TREE_COMPLEXITY): Remove.
6566         (struct tree_exp): Remove complexity field.
6567         * tree.c (build1_stat): Don't set it.
6568
6569 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
6570             Victor Kaplansky  <victork@il.ibm.com>
6571
6572         * tree-vectorizer.c (vect_is_simple_use): Support induction.
6573         (vect_is_simple_reduction): Support reduction with induction as
6574         one of the operands.
6575         (vect_is_simple_iv_evolution): Fix formatting.
6576         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
6577         formatting.  Don't mark induction phis for vectorization.
6578         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
6579         * tree-vect-transform.c (get_initial_def_for_induction): New function.
6580         (vect_get_vec_def_for_operand): Support induction.
6581         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
6582         induction case.
6583         (vectorizable_reduction): Support reduction with induction as one of
6584         the operands.
6585         (vectorizable_type_demotion): Use def-type of stmt argument rather
6586         than dummy def-type.
6587
6588         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
6589         flag_tree_scev_cprop.
6590         * common.opt (tree-scev-cprop): New flag.
6591
6592         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
6593         call to vect_get_new_vect_var.
6594
6595 2007-02-06  Ira Rosen  <irar@il.ibm.com>
6596
6597         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
6598         vectype is not NULL.
6599         (vect_pattern_recog_1): Likewise.
6600
6601 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6602
6603         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
6604         (fold_negate_expr): Likewise.
6605
6606 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
6607
6608         PR debug/30189
6609         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
6610         even if cv-qualification is the same.
6611
6612 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
6613
6614         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
6615         __enable_execute_stack on completion.
6616
6617 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6618
6619         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
6620         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
6621         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
6622         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
6623         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
6624         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
6625         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
6626         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
6627
6628 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6629
6630         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
6631         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
6632         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
6633         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
6634         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
6635         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
6636         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
6637         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
6638         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
6639         umuldi3_highpart_rex64, umulsi3_highpart_insn,
6640         umulsi3_highpart_zext, smuldi3_highpart_rex64,
6641         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
6642         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
6643         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
6644         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
6645         sqrtextenddfxf2_i387): Added amdfam10_decode.
6646
6647         * config/i386/athlon.md (athlon_idirect_amdfam10,
6648         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
6649         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
6650         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
6651         athlon_ivector_store_amdfam10): New define_insn_reservation.
6652         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
6653         amdfam10.
6654
6655 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6656
6657         * config/i386/athlon.md (athlon_call_amdfam10,
6658         athlon_pop_amdfam10, athlon_lea_amdfam10): New
6659         define_insn_reservation.
6660         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
6661         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
6662         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
6663
6664 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6665
6666         * config/i386/athlon.md (athlon_sseld_amdfam10,
6667         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
6668         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
6669
6670 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6671
6672         * config/i386/athlon.md (athlon_sseins_amdfam10): New
6673         define_insn_reservation.
6674         * config/i386/i386.md (sseins): Added sseins to define_attr type
6675         and define_attr unit.
6676         * config/i386/sse.md: Set type attribute to sseins for insertq
6677         and insertqi.
6678
6679 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6680
6681         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
6682         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
6683         ssecomi_load_amdfam10, ssecomi_amdfam10,
6684         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
6685         define_insn_reservation.
6686         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
6687
6688 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6689
6690         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
6691         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
6692         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
6693         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
6694         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
6695         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
6696         define_insn_reservation.
6697
6698         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
6699         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
6700         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
6701         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
6702         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
6703
6704 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6705
6706         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
6707         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
6708         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
6709         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
6710         athlon_ssemul_load_k8): Added amdfam10.
6711
6712 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6713
6714         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
6715         (x86_sse_unaligned_move_optimal): New variable.
6716
6717         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
6718         m_AMDFAM10.
6719         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
6720         for unaligned vector SSE double/single precision loads for AMDFAM10.
6721
6722 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6723
6724         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
6725         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
6726         Define TARGET_CPU_DEFAULT_amdfam10.
6727         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
6728         (processor_type): Add PROCESSOR_AMDFAM10.
6729
6730         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
6731         processor_type in config/i386/i386.h.
6732         Enable imul peepholes for TARGET_AMDFAM10.
6733
6734         * config.gcc: Add support for --with-cpu option for amdfam10.
6735
6736         * config/i386/i386.c (amdfam10_cost): New variable.
6737         (m_AMDFAM10): New macro.
6738         (m_ATHLON_K8_AMDFAM10): New macro.
6739         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
6740         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
6741         x86_promote_QImode, x86_integer_DFmode_moves,
6742         x86_partial_reg_dependency, x86_memory_mismatch_stall,
6743         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
6744         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
6745         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
6746         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
6747         Enable/disable for amdfam10.
6748         (override_options): Add amdfam10_cost to processor_target_table.
6749         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
6750         processor_alias_table.
6751         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
6752         (ix86_adjust_cost): Add code for amdfam10.
6753
6754 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6755
6756         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
6757         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
6758         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
6759         * config/i386/i386.h: Add builtin definition for SSE4A.
6760         * config/i386/i386.md: Add support for ABM instructions
6761         (popcnt and lzcnt).
6762         * config/i386/sse.md: Add support for SSE4A instructions
6763         (movntss, movntsd, extrq, insertq).
6764         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
6765         Add -march=amdfam10 flag.
6766         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
6767         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
6768         and amdfam10.
6769         * doc/extend.texi: Add documentation for SSE4A builtins.
6770
6771 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
6772
6773         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
6774
6775 2007-02-05  Richard Guenther  <rguenther@suse.de>
6776
6777         * tree-vectorizer.h (vectorizable_function): Add argument type
6778         argument, change return type.
6779         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
6780         * tree-vect-transform.c (vectorizable_function): Handle extra
6781         argument, return vectorized function decl.
6782         (build_vectorized_function_call): Remove.
6783         (vectorizable_call): Handle calls with result and argument types
6784         differing.  Handle loop vectorization factor correctly.
6785         * targhooks.c (default_builtin_vectorized_function): Adjust for
6786         extra argument.
6787         * targhooks.h (default_builtin_vectorized_function): Likewise.
6788         * target.h (builtin_vectorized_function): Add argument type
6789         argument.
6790         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
6791         extra argument, allow vectorizing of lrintf.
6792         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
6793         documentation of target hook.
6794
6795 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
6796
6797         PR target/30665
6798         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
6799         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
6800         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
6801
6802 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6803
6804         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
6805         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
6806         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
6807         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
6808         before canonicalizing sincos to cexpi.
6809         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
6810
6811 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6812
6813         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
6814         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
6815         (alpha_init_builtins): Use alpha_add_builtins to process tables.
6816
6817 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6818
6819         * mips-tfile.c (initialize_init_file): Correct endianness test.
6820
6821 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
6822
6823         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
6824         the 'y' constraint.
6825
6826 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
6827
6828         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
6829         saves in a PARALLEL before the register assignments.
6830
6831 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
6832
6833         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
6834         DWARF_FRAME_RETURN_COLUMN to be a general register.
6835         * dwarf2out.c (init_return_column_size): New function, split from...
6836         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
6837         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
6838         to be nongeneral registers.
6839         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
6840         integer registers.
6841         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
6842         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
6843
6844 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
6845
6846         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
6847
6848 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
6849
6850         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
6851         (remove_path): Use can_remove_branch_p and remove_branch instead
6852         of loop_delete_branch_edge.
6853         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
6854         (tree_transform_and_unroll_loop): Remove dead branches immediately.
6855         Update profile using scale_dominated_blocks_in_loop.
6856         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
6857         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
6858         (can_remove_branch_p, remove_branch): Declare.
6859         * tree-cfg.c (tree_can_remove_branch_p): New function.
6860         (tree_cfg_hooks): Add tree_can_remove_branch_p.
6861         * cfgrtl.c (rtl_can_remove_branch_p): New function.
6862         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
6863
6864 2007-02-05  Jan Hubicka  <jh@suse.cz>
6865
6866         PR middle-end/30696
6867         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
6868         nodes in cgraph, don't remove offline copy of the function.
6869
6870 2007-02-04  Jan Hubicka  <jh@suse.cz>
6871
6872         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
6873         vectors might cause maybe_lookup_element_for_expr to be called
6874         on non-sra-candidate.
6875
6876 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6877
6878         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
6879         config/bfin/bfin.md, config/bfin/predicates.md: Follow
6880         spelling conventions.
6881
6882 2007-02-04  Richard Guenther  <rguenther@suse.de>
6883
6884         PR middle-end/30636
6885         * fold-const.c (try_move_mult_to_index): Make sure to not
6886         overflow one dimension of a multi-dimensional array access.
6887
6888 2007-02-04  Jan Hubicka  <jh@suse.cz>
6889
6890         * passes.c (init_optimization_passes): Reindent.
6891
6892 2007-02-04  Jan Hubicka  <jh@suse.cz>
6893             Eric Botcazou  <ebotcazou@adacore.com>
6894
6895         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
6896         (execute_fixup_cfg): Break out the abnormal goto code.
6897         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
6898         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
6899         (optimize_inline_calls): Call make_nonlocal_label_edges.
6900
6901 2007-02-04  Jan Hubicka  <jh@suse.cz>
6902
6903         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
6904         true when something was changed.
6905         (rename_ssa_copies): When something was changed, do
6906         TODO_remove_unused_locals.
6907         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
6908         add TODO_remove_unused_locals when instruction was removed.
6909
6910 2007-02-04  Jan Hubicka  <jh@suse.cz>
6911
6912         * ipa-inline.c (try_inline): Improve debug output; work on already
6913         inline edges too.
6914         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
6915         call try_inline for already inlined edges too when flattening;
6916         inline also functions that make callee growth but overall unit size
6917         reduce.
6918
6919 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6920
6921         * config/m32c/bitops.md, config/m32c/jump.md,
6922         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
6923         config/m32r/m32r.h, config/m32r/m32r.md,
6924         config/m32r/predicates.md, config/m68hc11/larith.asm,
6925         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
6926         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
6927         config/mips/mips-protos.h, config/mips/mips.c,
6928         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
6929         config/mn10300/mn10300.h, config/mn10300/predicates.md,
6930         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
6931         spelling conventions.
6932
6933         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
6934         Follow spelling conventions.
6935
6936 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
6937
6938         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
6939         warn about C++0x compatibility.
6940
6941 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6942
6943         * config/h8300/h8300.c, config/h8300/h8300.h,
6944         config/h8300/h8300.md: Follow spelling conventions.
6945
6946 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
6947
6948         PR middle-end/30667
6949         * combine.c (try_combine): Do not substitute source operand
6950         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
6951
6952 2007-02-03  Jan Hubicka  <jh@suse.cz>
6953
6954         PR gcov-profile/30650
6955         * value-prof.c (stringop_block_profile): Fix handling of size counter;
6956         do not divide by zero for never executed counters.
6957         (tree_find_values_to_profile): Fix counters.
6958         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
6959
6960 2007-02-03  Ian Lance Taylor  <iant@google.com>
6961
6962         * lower-subreg.c (simple_move_operand): New static function,
6963         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
6964         operands.
6965         (simple_move): Call simple_move_operand.
6966         (find_decomposable_subregs): Add special handling of MEMs.
6967         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
6968         meaning of return value.  If we see a hard register, test whether
6969         it can store a word_mode value.  Change all callers.
6970
6971 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6972
6973         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
6974         ftrapv insns and expanders.
6975         (subdi3): Change define_expand operand 1 to arith11_operand, and
6976         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
6977         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
6978         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
6979         respectively.
6980
6981         PR middle-end/30174
6982         * varasm.c (notice_global_symbol): Treat global objects as weak when
6983         flag_shlib is true.
6984
6985 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6986
6987         * emit-rtl.c (dconstpi): Delete.
6988         (dconstsqrt2): New.
6989         (init_emit_once): Delete dconstpi and init dconstsqrt2.
6990         * real.h (dconstpi): Delete.
6991         (dconstsqrt2): New.
6992         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
6993         (fold_builtin_hypot): Likewise.
6994
6995 2007-02-03  Tom Tromey  <tromey@redhat.com>
6996
6997         PR driver/30246
6998         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
6999         -gcoff3, -gxcoff3, -gvms3 implies -dD.
7000
7001 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
7002
7003         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
7004         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
7005         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
7006         config/rs6000/cell.md, config/rs6000/darwin.h,
7007         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
7008         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
7009         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
7010         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
7011         typos.  Follow spelling conventions.
7012         * doc/invoke.texi: Follow spelling conventions.
7013
7014 2007-02-03  Roger Sayle  <roger@eyesopen.com>
7015
7016         * simplify-rtx.c (simplify_relational_operation_1): Implement some
7017         canonicalization transformations that attempt to simplify integer
7018         constant comparisons to become comparisons against zero.
7019
7020 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7021
7022         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
7023         fabs(x)*sqrt(2).
7024         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
7025         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
7026
7027 2007-02-02  Mike Stump  <mrs@apple.com>
7028
7029         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
7030         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
7031         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
7032         generate a branch island.
7033
7034 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
7035
7036         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
7037         (xtensa_legitimate_address_p): New.
7038         (xtensa_legitimize_address): New.
7039         (xtensa_output_addr_const_extra): New.
7040         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
7041         (BASE_REG_P): New.
7042         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
7043         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
7044         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
7045         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
7046         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
7047         (xtensa_legitimize_address): New.
7048         (xtensa_output_addr_const_extra): New.
7049
7050 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
7051
7052         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
7053
7054 2007-02-02  Ian Lance Taylor  <iant@google.com>
7055
7056         * expmed.c (expand_divmod): Add comment.
7057
7058 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
7059
7060         * emit-rtl.c (renumber_insns): Remove.
7061         * flags.h: Remove the extern for flag_renumber_insns.
7062         * rtl.h: Remove the prototype for renumber_insns.
7063         * toplev.c (flag_renumber_insns): Remove.
7064
7065 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
7066
7067         Revert for x86 darwin:
7068         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
7069
7070         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
7071         code before the following patch under TARGET_MACHO.
7072         (ix86_function_value_regno_p): Likewise.
7073
7074 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7075
7076         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
7077         COMPLEX_EXPR.
7078
7079 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
7080
7081         PR target/29682
7082         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
7083         general or fp registers.  Add comments.
7084         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
7085
7086 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
7087
7088         * pointer-set.c (insert_aux): Only return insertion slot.
7089         (pointer_set_insert): Adjust.
7090         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
7091         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
7092         pointer_map_traverse): New.
7093         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
7094         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
7095         pointer_map_contains, pointer_map_traverse): Declare.
7096
7097 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
7098
7099         PR middle-end/30473
7100         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
7101         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
7102
7103 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
7104
7105         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
7106
7107         (struct _dep): New type.
7108         (dep_t): New typedef.
7109         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
7110         (DEP_STATUS): New access macro.  The macro with the same name was
7111         renamed to DEP_LINK_STATUS.
7112         (dep_init): Declare function
7113
7114         (struct _dep_link): New type.
7115         (dep_link_t): New typedef.
7116         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
7117         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
7118         (DEP_LINK_STATUS): New macro.
7119         (debug_dep_links): New debug function.
7120
7121         (struct _deps_list): New type.
7122         (deps_list_t): New typedef.
7123         (DEPS_LIST_FIRST): New access macro.
7124         (FOR_EACH_DEP_LINK): New cycle macro.
7125         (create_deps_list, free_deps_list, delete_deps_list): Declare
7126         functions.
7127         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
7128         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
7129         (copy_deps_list_change_con): Ditto.
7130
7131         (move_dep_link): Declare function.
7132
7133         (struct _dep_node): New type.
7134         (dep_node_t): New typedef.
7135         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
7136
7137         (struct haifa_insn_data.back_deps): New field to hold backward
7138         dependencies of the insn.
7139         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
7140         to deps_list_t.
7141         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
7142         Change its type to deps_list_t.
7143         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
7144         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
7145         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
7146
7147         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
7148
7149         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
7150
7151         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
7152         all callers.
7153         (dep_cost): Declare.
7154
7155         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
7156         (ds_to_dk, dk_to_ds): New functions.
7157
7158         (init_dep_1): New static function.
7159         (init_dep): New function.
7160         (copy_dep): New static function.
7161
7162         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
7163         functions.
7164         (detach_dep_link): New static function.
7165         (move_dep_link): New function.
7166
7167         (dep_links_consistent_p, dump_dep_links): New static functions.
7168         (debug_dep_links): New debugging function.
7169
7170         (deps_obstack, dl_obstack, dn_obstack): New static variables.
7171
7172         (alloc_deps_list, init_deps_list): New static functions.
7173         (create_deps_list): New function.
7174         (clear_deps_list): New static function.
7175         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
7176         (deps_list_consistent_p, dump_deps_list): New static functions.
7177         (debug_deps_list): New function.
7178         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
7179         functions.
7180         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
7181
7182         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
7183         use new scheduler dependencies lists.
7184         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
7185         (sched_analyze): Ditto.  Initialize dependencies lists.
7186         (add_forw_dep, compute_forward_dependences): Update to use new
7187         scheduler dependencies lists.
7188
7189         (init_dependency_caches): Init deps_obstack.
7190         (free_dependency_caches): Free deps_obstack.
7191
7192         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
7193         new scheduler dependencies lists.
7194         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
7195         (add_back_forw_dep, delete_back_forw_dep): Ditto.
7196
7197         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
7198         Update to use new scheduler dependencies lists.
7199         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
7200         (debug_dependencies): Ditto.
7201         (schedule_region): Update comments.
7202
7203         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
7204         scheduler dependencies lists.
7205         (schedule_ebb): Update comments.
7206
7207         * rtl.def (DEPS_LIST): Remove.
7208
7209         * lists.c (unused_deps_list): Remove.
7210         (free_list): Update assertions.
7211
7212         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
7213         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
7214
7215         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
7216         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
7217
7218         * haifa-sched.c (comments): Update.
7219         (insn_cost1): Remove.  Inline the code into insn_cost ().
7220         (insn_cost): Update to use new scheduler dependencies lists.  Move
7221         processing of the dependency cost to dep_cost ().
7222         (dep_cost): New function.  Use it instead of insn_cost () when
7223         evaluating cost of the dependency.  Use compatible interface to
7224         interact with the target.
7225         (priority): Update to use new scheduler dependencies lists.
7226         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
7227         with greater number of insns that depend on the insn.
7228         (schedule_insn): Update to use new scheduler dependencies lists.  Add
7229         code to free backward dependencies lists.  Inline and optimize code
7230         from resolve_dep () - see PR28071.
7231         (ok_for_early_queue_removal): Update to use new scheduler dependencies
7232         lists.  Update call to targetm.sched.is_costly_dependence hook.
7233
7234         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
7235         scheduler dependencies lists.
7236
7237         (resolve_dep): Remove.  Move the logic to schedule_insn ().
7238         (init_h_i_d): Initialize dependencies lists.
7239
7240         (process_insn_depend_be_in_spec): Rename to
7241         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
7242         dependencies lists.
7243         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
7244         Update to use new scheduler dependencies lists.
7245         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
7246
7247         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
7248         new scheduler dependencies lists.
7249         (build_intra_loop_deps): Ditto.
7250
7251         * target.h (struct _dep): Declare to use in
7252         gcc_target.sched.is_costly_dependence.
7253         (struct gcc_target.sched.adjust_cost): Fix typo.
7254         (struct gcc_target.sched.is_costly_dependence): Change signature to use
7255         single dep_t parameter instead of an equivalent triad.
7256         (struct gcc_target.sched.adjust_cost_2): Remove.
7257
7258         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
7259
7260         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
7261
7262         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
7263         documentation.
7264         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
7265
7266         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
7267         (REG_DEP_TRUE): Document.
7268
7269         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
7270         Change signature to correspond to the targetm.sched.adjust_cost hook.
7271         Update use in TARGET_SCHED_ADJUST_COST_2.
7272         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
7273         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
7274         new scheduler dependencies lists.
7275         (ia64_gen_check): Ditto.
7276
7277         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
7278         dependencies lists.
7279
7280         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
7281         signature to correspond to the targetm.sched.is_costly_dependence hook.
7282         (is_costly_group): Update to use new scheduler dependencies lists.
7283
7284         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
7285         instead of INSN_COST () macro.
7286
7287 2007-02-01  Ian Lance Taylor  <iant@google.com>
7288
7289         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
7290
7291 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
7292
7293         * pa.md (tp_load): Correct mfctl instruction syntax.
7294
7295 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
7296
7297         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
7298         altivec_padding_size calculation on AIX.  Improve comment, add
7299         assert to verify that it's right.
7300
7301         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
7302         64-bit.
7303
7304 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
7305
7306         PR inline-asm/28686
7307         * global.c (global_alloc): Add mising initialization of
7308         ELIMINABLE_REGSET.
7309
7310 2007-02-01  Roger Sayle  <roger@eyesopen.com>
7311
7312         * alias.c (init_alias_analysis): Correct whitespace.
7313         * bb-reorder.c (fix_edges_for_rarely_executed_code,
7314         partition_hot_cold_basic_blocks): Likewise.
7315         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
7316         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
7317         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
7318         fold_builtin_snprintf_chk, fold_builtin_printf,
7319         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
7320         do_mpfr_arg3, do_mpfr_sincos): Likewise.
7321         * cfgcleanup.c (cleanup_cfg): Likewise.
7322         * cfgexpand.c (tree_expand_cfg): Likewise.
7323         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
7324         * function.c (get_next_funcdef_no): Likewise.
7325         * gengtype.c (main): Likewise.
7326         * genmodes.c (main): Likewise.
7327         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
7328         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
7329         * ifcvt.c (noce_emit_move_insn): Likewise.
7330         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
7331         Likewise.
7332         * stor-layout.c (get_best_mode): Likewise.
7333         * tree-ssa-loop-niter.c (get_val_for): Likewise.
7334         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
7335         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
7336         perform_var_substitution, solve_graph): Likewise.
7337         * tree-vrp.c (vrp_finalize): Likewise.
7338
7339 2007-02-01  Ian Lance Taylor  <iant@google.com>
7340
7341         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
7342         high part of a paradoxical subreg, return a constant zero.
7343
7344 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
7345
7346         * toplev.c (lang_dependent_init): Call init_set_costs.
7347         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
7348
7349 2007-02-01  Richard Guenther  <rguenther@suse.de>
7350
7351         PR middle-end/30656
7352         * fold-const.c (fold_negate_expr): Allow negating a
7353         constant if overflow does not change.
7354
7355 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7356
7357         * doc/c-tree.texi (Expression trees): Improve markup.
7358         * doc/tm.texi (Register Classes, Addressing Modes)
7359         (Floating Point): Fix spacing after abbreviations.  Fix some
7360         typos.
7361
7362 2007-02-01  Ben Elliston  <bje@au.ibm.com>
7363
7364         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
7365         * doc/contrib.texi: Likewise.
7366         * doc/install.texi: Likewise.
7367
7368 2007-01-31  Richard Henderson  <rth@redhat.com>
7369             Ian Lance Taylor  <iant@google.com>
7370
7371         * lower-subreg.c: New file.
7372         * rtl.def (CONCATN): Define.
7373         * passes.c (init_optimization_passes): Add pass_lower_subreg and
7374         pass_lower_subreg2.
7375         * emit-rtl.c (update_reg_offset): New static function, broken out
7376         of gen_rtx_REG_offset.
7377         (gen_rtx_REG_offset): Call update_reg_offset.
7378         (gen_reg_rtx_offset): New function.
7379         * regclass.c: Revert patch of 2006-03-05, restoring
7380         reg_scan_update.
7381         (clear_reg_info_regno): New function.
7382         * dwarf2out.c (concatn_loc_descriptor): New static function.
7383         (loc_descriptor): Handle CONCATN.
7384         * common.opt (fsplit_wide_types): New option.
7385         * opts.c (decode_options): Set flag_split_wide_types when
7386         optimizing.
7387         * timevar.def (TV_LOWER_SUBREG): Define.
7388         * rtl.h (gen_reg_rtx_offset): Declare.
7389         (reg_scan_update): Declare.
7390         * regs.h (clear_reg_info_regno): Declare.
7391         * tree-pass.h (pass_lower_subreg): Declare.
7392         (pass_lower_subreg2): Declare.
7393         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
7394         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
7395         -fsplit-wide-types.
7396         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
7397         * Makefile.in (OBJS-common): Add lower-subreg.o.
7398         (lower-subreg.o): New target.
7399
7400 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7401
7402         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
7403
7404 2007-01-31  Anatoly Sokolov <aesok@post.ru>
7405
7406         PR target/19087
7407         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
7408
7409 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7410
7411         PR middle-end/29335
7412         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
7413
7414 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
7415
7416         * cfgloop.h: Include vec-prim.h.
7417         (enum li_flags): Remove LI_ONLY_OLD.
7418         (loop_iterator): Changed.
7419         (fel_next, fel_init): Iterate over loop tree.
7420         (FOR_EACH_LOOP_BREAK): New macro.
7421         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
7422         FOR_EACH_LOOP.
7423         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
7424         * modulo-sched.c (sms_schedule): Ditto.
7425         * tree-vectorizer.c (vectorize_loops): Ditto.
7426         * doc/loop.texi: Update information on loop numbering and behavior of
7427         FOR_EACH_LOOP wrto new loops.
7428         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7429         add_to_evolution_1): Test nestedness of loops instead of comparing
7430         their numbers.
7431         * tree-chrec.c (chrec_fold_plus_poly_poly,
7432         chrec_fold_multiply_poly_poly, chrec_evaluate,
7433         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
7434         reset_evolution_in_loop): Ditto.
7435         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
7436
7437 2007-01-31  Dirk Mueller  <dmueller@suse.de>
7438
7439         * c-common.c (warn_about_parentheses): Separate warning about
7440         un-parenthized sequence of comparison operators from the one
7441         which is supposed to warn about x <= y <= z.
7442
7443 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
7444
7445         * optabs.h (enum optab_index): Add new OTI_isinf.
7446         (isinf_optab): Define corresponding macro.
7447         * optabs.c (init_optabs): Initialize isinf_optab.
7448         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
7449         patterns.
7450         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
7451         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
7452         using isinf_optab.
7453         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
7454         expand_builtin_interclass_mathfn.
7455         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
7456         * config/i386/i386.md (UNSPEC_FXAM): New constant.
7457         (fxam<mode>2_i387): New insn pattern.
7458         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
7459         built-in functions as x87 inline asm.
7460
7461 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7462
7463         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
7464
7465 2007-01-30  Eric Christopher  <echristo@apple.com>
7466
7467         * config.gcc: Add geode.
7468
7469 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7470
7471         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
7472         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
7473         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
7474         value-prof.c: Fix comment typos.
7475
7476 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7477
7478         PR c++/24745
7479         * doc/invoke.texi (Wpointer-arith): Document warning.
7480
7481 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
7482
7483         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
7484         the list of discrepancies from the draft TR.
7485
7486 2007-01-30  Dirk Mueller  <dmueller@suse.de>
7487
7488         PR c++/30601
7489         * doc/invoke.texi (-Wreturn-type): Update description to
7490         match new behavior.
7491
7492 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
7493
7494         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
7495
7496 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
7497
7498         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
7499         to handle optabs that operate on floating point input argument and
7500         output to integer output.
7501         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
7502         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
7503         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
7504         expand_builtin_interclass_mathfn ().
7505         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
7506         (ilogbsi2): Remove.
7507         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
7508         ilogbl built-in functions as x87 intrinsics.
7509
7510 2007-01-30  Richard Guenther  <rguenther@suse.de>
7511
7512         PR middle-end/27657
7513         * dwarf2out.c (reference_to_unused): Query varpool if the
7514         variable was output.
7515
7516 2007-01-30  Richard Guenther  <rguenther@suse.de>
7517
7518         PR middle-end/30313
7519         * passes.c (execute_one_pass): Reset in_gimple_form to not
7520         confuse non-unit-at-a-time mode.
7521
7522 2007-01-29  Roger Sayle  <roger@eyesopen.com>
7523             Richard Guenther  <rguenther@suse.de>
7524
7525         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
7526         avoid undefined behaviour on overflow.  Use force_fit_type_double
7527         to construct the constant with the specified TREE_OVERFLOW.
7528
7529 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
7530
7531         * config/dfp-bit.c: Add parameterized support for fp exceptions.
7532         * config/dfp-bit.h: Ditto.
7533
7534 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7535
7536         * c-decl.c (pop_scope): Replace warnings with call to
7537         warn_for_unused_label.
7538         * c-common.h (warn_for_unused_label): Declare.
7539         * c-common.c (warn_for_unused_label): Define.
7540
7541 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7542
7543         * tree-optimize.c (update_inlined_to_pointers): Delete unused
7544         function.
7545
7546 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
7547
7548         * Makefile.in (USER_H): Remove decfloat.h.
7549         * ginclude/decfloat.h: Delete, moving contents to ...
7550         * ginclude/float.h: Add support for decimal floating point,
7551         guarded by __STDC_WANT_DEC_FP__.
7552
7553 2007-01-29  Mike Stump  <mrs@apple.com>
7554
7555         * doc/gccint.texi (Top): Rename Loop Representation to Loop
7556         Analysis and Representation to resolve case insensitive conflict.
7557         * doc/loop.texi (Loop Analysis and Representation): Likewise.
7558
7559 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
7560
7561         * tree.h (struct tree_memory_tag): Add aliases member.
7562         (MTAG_ALIASES): New macro.
7563         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
7564         (add_may_alias): Remove pointer-set. Update for may_aliases being
7565         a bitmap.
7566         (mark_aliases_call_clobbered): Update for may_aliases being a
7567         bitmap.
7568         (compute_tag_properties): Ditto.
7569         (create_partition_for): Ditto.
7570         (compute_memory_partitions): Ditto.
7571         (dump_may_aliases_for): Ditto.
7572         (is_aliased_with): Ditto.
7573         (add_may_alias_for_new_tag): Ditto.
7574         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
7575         (compute_is_aliased): New function.
7576         (compute_may_aliases): Call compute_is_aliased).
7577         (init_alias_info): Initialize alias_bitmap_obstack.
7578         (union_alias_set_into): New function.
7579         (compute_flow_sensitive_aliasing): Use union_aliases_into.
7580         (have_common_aliases_p): Rewrite to take two bitmaps and use
7581         intersection.
7582         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
7583         Update for bitmaps.
7584         (finalize_ref_all_pointers): Update for add_may_alias changes.
7585         (new_type_alias): Ditto.
7586         * tree-flow-inline.h (may_aliases): Return a bitmap.
7587         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
7588         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
7589         may_aliases being a bitmap.
7590         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
7591         may_aliases now returns a bitmap.
7592         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
7593         being a bitmap.
7594         * tree-ssa-operands.c (add_virtual_operand): Update for
7595         may_aliases being a bitmap.
7596
7597 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
7598
7599         PR tree-optimization/30630
7600         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
7601         variable as changed.
7602
7603 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
7604
7605         PR c++/28266
7606         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
7607         expanded only once even if an error occurs.
7608
7609 2007-01-29  Ben Elliston  <bje@au.ibm.com>
7610
7611         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
7612         (__gcov_average_profiler): Likewise.
7613         (__gcov_ior_profiler): Likewise.
7614         (__gcov_merge_ior): Likewise.
7615
7616 2007-01-28  Jan Hubicka  <jh@suse.cz>
7617
7618         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
7619         * value-prof.c (stringop_block_profile): Likewise.
7620
7621 2007-01-28  Jan Hubicka  <jh@suse.cz>
7622
7623         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
7624         variant handling histograms; add wrapper.
7625         (clear_storage_via_libcall): Export.
7626         (emit_block_move_hints): Break out from ...; add histograms.
7627         (emit_block_move): ... this one.
7628         (clear_storage_hints): Break out from ...; add histograms.
7629         (clear_storage): ... this one.
7630         (set_storage_via_memset): Handle histogram.
7631         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
7632         (clear_storage_hints, clear_storage_via_libcall): Declare.
7633         (set_storage_via_setmem): Update prototype.
7634         * doc/md.texi (movmem, setmem): Document new arguments.
7635
7636         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
7637         new histograms.
7638         (stringop_block_profile): New global function.
7639         (tree_stringops_values_to_profile): Profile block size and alignment.
7640         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
7641         HIST_TYPE_IOR.
7642         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
7643         (stringop_block_profile): Declare.
7644         * builtins.c: Include value-prof.h.
7645         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
7646         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
7647         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
7648         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
7649         * profile.c (instrument_values): Add new counters.
7650         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
7651         calls.
7652         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
7653         (tree_init_edge_profiler): Build new profilers.
7654         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
7655         (pass_tree_profile): Add dump.
7656         (tree_profile_hooks): Update.
7657         * Makefile.in (LIBGCOV): Add new constants.
7658         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
7659         __gcov_ior_profiler): New.
7660         * i386.md (movmem/setmem expanders): Add new optional arguments.
7661
7662 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
7663
7664         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
7665
7666 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
7667
7668         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
7669         (tree_unswitch_single_loop): Pass eni_size_weights to
7670         tree_num_loop_insns.
7671         * tree-ssa-loop-manip.c: Include tree-inline.h.
7672         (can_unroll_loop_p): Pass eni_size_weights to
7673         tree_num_loop_insns.
7674         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
7675         Pass eni_size_weights to estimate_num_insns.
7676         * tree.h (init_inline_once): Export.
7677         * toplev.c (backend_init): Call init_inline_once.
7678         * cgraphunit.c (cgraph_process_new_functions,
7679         cgraph_analyze_function): Pass eni_inlining_weights to
7680         estimate_num_insns.
7681         * ipa-inline.c (compute_inline_parameters): Ditto.
7682         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
7683         to estimate_num_insns.
7684         (try_unroll_loop_completely): Pass eni_size_weights to
7685         tree_num_loop_insns.
7686         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
7687         ot estimate_num_insns.
7688         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
7689         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
7690         * tree-inline.c (eni_inlining_weights, eni_size_weights,
7691         eni_time_weights): New variables.
7692         (init_inline_once): Initialize them.
7693         (struct eni_data): Mew.
7694         (estimate_num_insns_1, estimate_num_insns): Use weights.
7695         * tree-inline.h (struct eni_weights_d): New.
7696         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
7697         (estimate_num_insns): Declaration changed.
7698         * cfgloop.h (tree_num_loop_insns): Declaration changed.
7699         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
7700         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
7701
7702 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
7703
7704         * tree-data-ref.c (conflict_fn): Assert that the number of affine
7705         relations in the conflict function is valid.
7706
7707 2007-01-27  Ian Lance Taylor  <iant@google.com>
7708
7709         * common.opt: Add fstrict-overflow.
7710         * opts.c (decode_options): Set flag_strict_overflow if -O2.
7711         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
7712         (TYPE_OVERFLOW_UNDEFINED): Define.
7713         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
7714         Replace all uses.
7715         * tree.h (TYPE_TRAP_SIGNED): Don't define.
7716         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
7717         (fold_negate_expr): Likewise.
7718         (make_range): Likewise.
7719         (extract_muldiv_1): Likewise.
7720         (maybe_canonicalize_comparison): Likewise.
7721         (fold_comparison): Likewise.
7722         (fold_binary): Likewise.
7723         (tree_expr_nonnegative_p): Likewise.
7724         (tree_expr_nonzero_p): Likewise.
7725         * tree-vrp.c (compare_values): Likewise.
7726         (extract_range_from_binary_expr): Likewise.
7727         (extract_range_from_unary_expr): Likewise.
7728         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
7729         Likewise.
7730         (nowrap_type_p): Likewise.
7731         * tree-scalar-evolution.c (simple_iv): Likewise.
7732         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
7733         (build_range_check): Likewise.
7734         (extract_muldiv_1): Likewise.
7735         (fold_comparison): Likewise.
7736         * tree-vrp.c (vrp_int_const_binop): Likewise.
7737         (extract_range_from_unary_expr): Likewise.
7738         * convert.c (convert_to_integer): Likewise.
7739         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
7740         (fold_comparison): Likewise.
7741         (fold_binary): Likewise.
7742         * optabs.c (optab_for_tree_code): Likewise.
7743         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
7744         * simplify-rtx.c (simplify_const_relational_operation): Check
7745         flag_strict_overflow and flag_trapv.
7746         (simplify_const_relational_operation): Likewise.
7747         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
7748         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
7749         -fstrict-overflow.
7750
7751 2007-01-27  Roger Sayle  <roger@eyesopen.com>
7752
7753         * tree.c (tree_fold_gcd): Delete.
7754         * tree.h (tree_fold_gcd): Remove prototype.
7755         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
7756         test whether one constant integer is a multiple of another.  Instead
7757         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
7758         * fold-const.c (multiple_of_p):  We've determined both TOP and
7759         BOTTOM are integer constants so we can call int_const_binop directly
7760         instead of the more generic const_binop.
7761
7762 2007-01-27  Roger Sayle  <roger@eyesopen.com>
7763
7764         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
7765         1*X check that the constant hasn't overflowed, to preserve the
7766         TREE_OVERFLOW bit.
7767         (round_up): Provide an efficient implementation when rouding-up an
7768         INTEGER_CST to a power-of-two.
7769
7770 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7771
7772         * doc/sourcebuild.texi: Add comma for clarity.
7773         * doc/extend.texi: Fix some typos.
7774         * doc/passes.texi: Likewise.
7775         * doc/cppinternals.texi: Likewise.
7776         * doc/c-tree.texi: Likewise.
7777         * doc/tree-ssa.texi: Likewise.
7778         * doc/install.texi: Likewise.
7779
7780 2007-01-27  Jan Hubicka  <jh@suse.cz>
7781
7782         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
7783         (pass_sra): Do not require alias information.
7784         * passes.c (init_optimization_passes): Add SRA
7785
7786 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
7787
7788         * tracer.c (rest_of_handle_tracer): We already cleaned
7789         up the CFG in tracer() so don't do it here again.
7790         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
7791         cleanup_cfg here, either.  And don't call renumber_insns.
7792
7793         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
7794         and BB_HEAD are in the insn stream here.  Instead make sure
7795         that BB_INSN is valid on all insns.  Also, do check here that
7796         there are no pending branch predictions...
7797         (rtl_verify_flow_info): ...instead of doing it here.  Checks
7798         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
7799         here.
7800
7801 2007-01-26  Roger Sayle  <roger@eyesopen.com>
7802
7803         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
7804         function to simplify/factorize operand order canonicalization.
7805         (ix86_fixup_binary_operands): Reorganize using the above function.
7806         (ix86_binary_operator_ok): Likewise.
7807
7808 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
7809
7810         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
7811         file scope from optimize_attrs.
7812         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
7813         up search.
7814         (optimize_attrs): Clear insn_code_values after freeing it.
7815
7816 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
7817
7818         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
7819         a parts.base assignment.
7820
7821 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
7822
7823         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
7824         (compute_subscript_distance, initialize_data_dependence_relation,
7825         finalize_ddr_dependent, analyze_ziv_subscript,
7826         analyze_siv_subscript_cst_affine,
7827         compute_overlap_steps_for_affine_univar,
7828         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
7829         analyze_siv_subscript, analyze_miv_subscript,
7830         analyze_overlapping_iterations, subscript_dependence_tester_1,
7831         compute_self_dependence, free_dependence_relation): Work
7832         with affine_fn instead of chrecs.
7833         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
7834         common_affine_function, affine_function_base,
7835         affine_function_constant_p, affine_fn_op, affine_fn_plus,
7836         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
7837         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
7838         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
7839         (all_chrecs_equal_p): Removed.
7840         * tree-data-ref.h (affine_fn, conflict_function): New types.
7841         (struct subscript): Change type of conflicting_iterations_in_a
7842         and conflicting_iterations_in_b.
7843
7844 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
7845
7846         PR other/30182
7847         * config/pa/pa.h (TARGET_HPUX_11): New.
7848         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
7849         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
7850
7851 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
7852         Richard Guenther  <rguenther@suse.de>
7853
7854         * tree-ssa-structalias.c (solve_graph): Handle case
7855         we merged the variable to another.
7856
7857 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7858
7859         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
7860         functions.
7861
7862         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
7863         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
7864
7865 2007-01-25  DJ Delorie  <dj@redhat.com>
7866
7867         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
7868         allow changes to modes which don't fit in those registers.
7869
7870         * reload1.c (choose_reload_regs): Check for invalid subregs before
7871         computing their locations, not after.
7872
7873 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
7874
7875         PR 25127
7876         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
7877         save Altivec registers in an eh_return function.
7878         (compute_vrsave_mask): Likewise.
7879         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
7880         for saving Altivec registers.
7881         (rs6000_emit_prologue): Don't allocate stack twice in
7882         eh_return function.  Correct expected value of altivec_save_offset
7883         when using save_world.  Describe save of R0 to stack when using
7884         save_world.  Describe stack pointer adjustment when using
7885         save_world.  Remove duplicated eh_return parameter register saving.
7886         Update sp_offset variable after save_world.
7887         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
7888         darwin-world.asm.
7889         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
7890         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
7891         implies Altivec.
7892
7893 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
7894
7895         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
7896
7897 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
7898
7899         PR other/30182
7900         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
7901         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
7902
7903 2007-01-25  Richard Guenther  <rguenther@suse.de>
7904
7905         * doc/invoke.texi (-Wcoverage-mismatch): Document.
7906         * common.opt (-Wcoverage-mismatch): New warning option.
7907         * coverage.c (get_coverage_counts): Ignore coverage mismatch
7908         if -Wcoverage-mismatch is given.
7909
7910 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
7911
7912         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
7913         (ipcp_driver): Change to static definition.
7914         Add dumping of the ifunctions.
7915         (constant_val_insert): Remove unused parameter. Support for SSA.
7916         (ipcp_propagate_const): Support for SSA.
7917         (ipcp_profile_bb_print): Print only analyzed nodes.
7918         (ipcp_replace_map_create): Remove support for Fortran constant
7919         for now.
7920         * ipa-prop.c (ipa_method_modify_stmt,
7921         ipa_callsite_compute_param): Support for SSA.
7922         * ipa-prop.h (ipcp_driver): Remove declaration.
7923         (IS_VALID_TREE_MAP_INDEX): Add define.
7924
7925 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
7926
7927         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
7928
7929 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7930
7931         PR middle-end/30447
7932         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
7933         constant argument to cabs and do it without checking for
7934         -funsafe-math-optimizations.
7935
7936 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
7937
7938         * c-common.h (RID_FIRST_CXX0X): New.
7939         (RID_LAST_CXX0X): New.
7940         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
7941         by -Wall.
7942         * c.opt (Wc++0x-compat): New.
7943         * doc/invoke.texi (-Wc++0x-compat): Document.
7944
7945 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7946
7947         * builtins.c (fold_builtin_carg): New.
7948         (fold_builtin_1): Use it.
7949
7950 2007-01-24  Jan Hubicka  <jh@suse.cz>
7951
7952         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
7953
7954         * ipa-inline.c (initial_insns, max_insns): Delete.
7955         (compute_max_insns): New function.
7956         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
7957         of insns as base for code growth.
7958         (cgraph_decide_inlining): Make initial_insns local; do not compute
7959         max_insns.
7960         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
7961         * doc/invoke.texi (inline-unit-growth): Update docs.
7962
7963 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
7964
7965         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
7966         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
7967         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
7968         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
7969         for CPUs that have PTA_CX16 set.
7970
7971         PR middle-end/27416
7972         * gimplify.c (omp_check_private): New function.
7973         (gimplify_scan_omp_clauses): Use it for
7974         firstprivate/lastprivate/reduction.
7975
7976         PR middle-end/30494
7977         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
7978         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
7979
7980         PR middle-end/30421
7981         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
7982         If lower_lastprivate_clauses emits some statements, append them
7983         to dlist rather than body_p and to body_p append an initializer.
7984         (lower_omp_for): Adjust caller.
7985
7986 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
7987
7988         * target.h (globalize_decl_name): New.
7989         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
7990         * output.h (default_globalize_decl_name): New.
7991         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
7992         globalize_label.
7993         (globalize_decl): Ditto.
7994         (default_globalize_decl_name): New.
7995         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
7996         (ia64_handle_version_id_attribute): New.
7997         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
7998         (ia64_asm_output_external): Use globalize_decl_name instead
7999         of globalize_label.
8000         * doc/extend.texi (version_id): New pragma.
8001         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
8002
8003 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8004
8005         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
8006         _uleb128_t and _Unwind_SWord with _sleb128_t.
8007         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
8008         uw_frame_state_for, uw_update_context_1): Likewise.
8009         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
8010         * unwind-pe.h (read_uleb128, read_sleb128,
8011         read_encoded_value_with_base): Likewise.
8012         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
8013
8014 2007-01-24  Richard Guenther  <rguenther@suse.de>
8015
8016         * builtins.c (expand_builtin_cexpi): Get the fndecl
8017         for cexp in the correct way.
8018
8019 2007-01-24  Jan Hubicka  <jh@suse.cz>
8020
8021         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
8022
8023 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8024
8025         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
8026         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
8027         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
8028         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
8029         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
8030         __SIZEOF_PTRDIFF_T__.
8031         * doc/cpp.texi: Documentation for the new builtin macros added.
8032
8033 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
8034
8035         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
8036         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
8037         instead of operands[2] to avoid access past the end of array.
8038
8039 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
8040
8041         * reload1.c (emit_reload_insns): Pass the reload register
8042         for a non-spill output reload through forget_old_reloads_1.
8043
8044 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
8045
8046         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
8047         _SOFT_DOUBLE if doubles use software floating-point.
8048         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
8049         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
8050         * config/rs6000/darwin-ldouble.c: Also compile functions for
8051         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
8052         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
8053         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
8054         commented-out long double override.
8055         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
8056         * config/rs6000/eabispe.h: Likewise.
8057         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
8058         long double for non-SPE.
8059         (rs6000_handle_option): Likewise.
8060         (invalid_e500_subreg): Disallow more subregs involding DImode,
8061         DFmode, TImode or TFmode.
8062         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
8063         E500 double.
8064         (legitimate_lo_sum_address_p): Also check for TFmode for E500
8065         double.
8066         (rs6000_legitimize_address): Also handle TFmode for E500 double.
8067         (rs6000_legitimize_reload_address): Also handle TFmode for E500
8068         double.
8069         (rs6000_legitimate_address): Also check for TFmode for E500
8070         double.
8071         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
8072         (spe_build_register_parallel): Handle TFmode and TCmode.
8073         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
8074         double.
8075         (function_arg): Handle TFmode and TCmode for E500 double.
8076         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
8077         in general.
8078         (print_operand): Handle TFmode and TImode for %y.
8079         (rs6000_generate_compare): Handle TFmode comparisons for E500
8080         double.
8081         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
8082         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
8083         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
8084         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
8085         TFmode for E500 double.
8086         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
8087         (floatsidf2): Enable for E500 double.
8088         (movtf_softfloat): Use rs6000_nonimmediate_operand.
8089         (extenddftf2): Change to extenddftf2_fprs.
8090         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
8091         depending on TARGET_E500_DOUBLE.
8092         (extendsftf2): Enable for E500 double.
8093         (trunctfdf2): Enable for E500 double.
8094         (trunctfsf2): Change to trunctfsf2_fprs.
8095         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
8096         depending on TARGET_E500_DOUBLE.
8097         (floatsitf2): Enable for E500 double.
8098         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
8099         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
8100         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
8101         (negtf2): Change to negtf2_internal.
8102         (negtf2): New expander.
8103         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
8104         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
8105         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
8106         (movdi_internal32): Use rs6000_nonimmediate_operand.
8107         (unnamed splitter): Likewise.
8108         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
8109         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
8110         (SPE64TF, DITI): New mode macros.
8111         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
8112         modes.
8113         (frob_tf_ti): New.
8114         (frob_<mode>_di_2): New.
8115         (frob_tf_di_8_2): New.
8116         (frob_di_df): Change to frob_di_<mode>; allow more modes.
8117         (frob_ti_tf): New.
8118         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
8119         more modes.
8120         (frob_ti_<mode>_8_2): New.
8121         (frob_ti_tf_2): New.
8122         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
8123         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
8124         TFmode.
8125         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
8126         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
8127         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
8128         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
8129         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
8130         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
8131         tsttflt_gp): New.
8132
8133 2007-01-23  Ian Lance Taylor  <iant@google.com>
8134
8135         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
8136         insn-*.o first.
8137         (OBJS-archive): Reformat, alphabetize.
8138         (OBJS): Change out_object_file to OBJS-md.
8139
8140 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
8141
8142         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
8143         JUMP_P and CALL_P predicates where applicable.
8144         * config/i386/i386.c: Ditto.
8145         * config/i386/i386.md: Ditto.
8146         * config/i386/mmx.md: Ditto.
8147         * config/i386/predicates.md: Ditto.
8148
8149 2007-01-22  Andreas Schwab  <schwab@suse.de>
8150
8151         * config/m68k/m68k.h: Fix comment.
8152
8153 2007-01-22  Jan Hubicka  <jh@suse.cz>
8154
8155         * passes.c (init_optimization_passes): Do not rerun
8156         pass_early_warn_uninitialized.
8157
8158 2007-01-22  Richard Guenther  <rguenther@suse.de>
8159
8160         PR tree-optimization/30038
8161         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
8162         function.
8163         (execute_cse_sincos_1): Likewise.
8164         (execute_cse_sincos): Likewise.
8165         (gate_cse_sincos): Likewise.
8166         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
8167         the cexpi() canonicalization of sincos().
8168         * tree-pass.h (pass_cse_sincos): Declare.
8169         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
8170
8171 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
8172
8173         PR rtl-optimization/29329
8174         * combine.c (replaced_rhs_insn): Rename to i2mod.
8175         (replaced_rhs_value): Rename to i2mod_new_rhs.
8176         (i2mod_old_rhs): New global variable.
8177         (combine_instructions): Adjust for above change.  Save a copy of
8178         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
8179         note are substituted in the second instruction.
8180         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
8181         ditch the note if it pertains to the second eliminated register
8182         and this register is mentioned in i2mod_old_rhs.
8183
8184         Revert:
8185         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
8186
8187         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8188         the insn to which the note was originally attached.
8189
8190 2007-01-21  Jan Hubicka  <jh@suse.cz>
8191
8192         * ipa-inline.c (inlining_mode): Comment, move up.
8193         (cgraph_decide_inlining_incrementally): Do not perform inlining
8194         itself; fix handling of flattening of self recursive functions.
8195         (cgraph_find_cycles): Remove.
8196         (cgraph_flatten_node): Remove.
8197         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
8198         (try_inline): New function.
8199         (cgraph_early_inlining): Update call of
8200         cgraph_decide_inlining_incrementally.  Apply inlining here.
8201         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
8202
8203 2007-01-21  Dirk Mueller  <dmueller@suse.de>
8204
8205         PR bootstrap/30511
8206         * tree-vrp.c (check_array_bounds): do not warn
8207         about ADDR_EXPR's of ARRAY_REF's which are immediately
8208         used in binary expressions.
8209
8210 2007-01-21  Ira Rosen  <irar@il.ibm.com>
8211
8212         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
8213         read_write_dep and macros for its access.
8214         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
8215         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
8216         argument, call vect_check_interleaving for every independent pair of
8217         data-refs. Mark loads that access the same memory location as a store
8218         in the loop.
8219         (vect_check_dependences): Remove.
8220         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
8221         call, fix the call to vect_analyze_data_ref_dependence.
8222         (vect_analyze_data_ref_access): For statements that access the same
8223         data-ref, check that they are not stores; for loads, check that there
8224         is no store that access the same location.
8225
8226 2007-01-20  Roger Sayle  <roger@eyesopen.com>
8227             Joseph Myers  <joseph@codesourcery.com>
8228
8229         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
8230         (-fdump-rtl-stack): Likewise.
8231         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
8232         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
8233         (-mpt-fixed): Use @minus{} for minus sign.
8234         (Using Precompiled Headers): Fix under/overfull hbox.
8235
8236 2007-01-20  Jan Hubicka  <jh@suse.cz>
8237
8238         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
8239         place within annotation.
8240
8241 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8242
8243         * pa.c (output_move_double): Change array size of xoperands to 4.
8244
8245 2007-01-20  Jan Hubicka  <jh@suse.cz>
8246
8247         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
8248         as temporary.
8249
8250 2007-01-19  Ian Lance Taylor  <iant@google.com>
8251
8252         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
8253         constant to unsigned HOST_WIDE_INT before negating.
8254
8255 2007-01-19  Ian Lance Taylor  <iant@google.com>
8256
8257         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
8258         to unsigned.
8259         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
8260         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
8261         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
8262         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
8263         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
8264         (realloc_vdef, realloc_vuse): Change second parameter to
8265         unsigned.
8266         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
8267         fields to unsigned.
8268         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
8269         unsigned. Change x and lim locals to unsigned.
8270         (realloc_vdef, realloc_vuse): Change num_elem parameter to
8271         unsigned.
8272         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
8273         (copy_virtual_operands): Change i and n locals to unsigned.
8274
8275 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8276
8277         PR middle-end/29335
8278         * builtins.c (fold_builtin_1): Handle builtin fdim.
8279
8280 2007-01-20  Jan Hubicka  <jh@suse.cz>
8281
8282         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
8283         * tree-ssa-structalias.c (compute_points_to_sets): Do call
8284         init_alias_heapvars.
8285         (init_alias_heapvars): Initialize only when not already initialized.
8286         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
8287
8288 2007-01-19  Roger Sayle  <roger@eyesopen.com>
8289
8290         * common.opt (fsigned-zeros): New command line option.
8291         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
8292         of flag_unsafe_math_optimizations.
8293         * opts.c (set_fast_math_flags): The -ffast-math command line option
8294         implies -fno-signed-zeros.
8295         (fast_math_flags_set_p): Likewise.
8296
8297         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
8298         the documentation of -ffast-math appropriately.  Wrap long lines.
8299
8300 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
8301
8302         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
8303         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
8304
8305 2007-01-19  Tomas Bily  <tbily@suse.cz>
8306
8307         * cgraphunit.c (cgraph_finalize_function): Updating of pid
8308         * tree-profile.c:
8309         (tree_init_ic_make_global_vars): New function
8310         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
8311         (tree_gen_ic_profiler): New function
8312         (tree_gen_ic_func_profiler): New function
8313         (tree_profiling): Added calling of tree_gen_ic_func_profiler
8314         (tree_profile_hooks): Added hook for indirec/virtual calls
8315         * value-prof.c (tree_find_values_to_profile): New case for
8316         indirect calls
8317         (tree_values_to_profile): Call for determining indirect/virtual
8318         counters
8319         (tree_indirect_call_to_profile): New function
8320         (tree_ic_transform): New function
8321         (tree_ic): New function
8322         (find_func_by_pid): New function
8323         (init_pid_map): New function
8324         (tree_value_profile_transformations): Added check for
8325         indirect/virtual call transformation
8326         * value-prof.h (enum hist_type): New counter type for
8327         indirect/virtual calls
8328         (profile_hooks): Added new hook for profiling indirect/virtual
8329         calls
8330         * profile.c (instrument_values): New case for indirect/virtual
8331         call added
8332         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
8333         (GCOV_COUNTER_V_INDIR): New counter type
8334         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
8335         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
8336         call added
8337         * cgraph.c: Definition of cgraph_max_pid
8338         (cgraph_create_node): Default init of pid attribute
8339         * cgraph.h: Declaration of cgraph_max_pid
8340         (struct cgraph_node): Added pid attribute
8341         * libgcov.c (__gcov_indirect_call_profiler): New function
8342         (__gcov_one_value_profiler_body): New function
8343         (__gcov_one_value_profiler): Body was moved to
8344         __gcov_one_value_profiler_body and calls it
8345
8346 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
8347
8348         * doc/gty.texi (Options): Document the mark_hook option to GTY.
8349         * gengtype.c (write_types_data, write_func_for_structure,
8350         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
8351         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
8352         (walk_type, write_func_for_structure): Generate the mark_hook if
8353         needed.
8354
8355 2007-01-19  Jan Hubicka  <jh@suse.cz>
8356
8357         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
8358         'early' argument take inlining mode argument specifying whether to
8359         inline for size/speeed or all functions; add support for flattening;
8360         improve dumpting.
8361         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
8362
8363 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8364
8365         PR c++/17947
8366         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
8367         the name of the declared identifier.
8368
8369 2007-01-19  Dirk Mueller  <dmueller@suse.de>
8370
8371         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
8372         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
8373         duplicate evaluation.
8374
8375 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
8376
8377         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
8378         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
8379         to XFMode, use acosxf2 and truncate result to requested mode.
8380         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
8381         (asin<mode>2): Similarly, with asin expanders.
8382         (*fscalexf4_i387): Rename from *fscalexf4.
8383         (expNcorexf3): New expander.
8384         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
8385         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
8386         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
8387         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
8388         patterns for SSE math.
8389         (exp10<mode>2): Similarly, with exp10 expanders.
8390         (exp2<mode>2): Similarly, with exp2 expanders.
8391         (expm1<mode>2): Similarly, with expm1 expanders.
8392         (ldexp<mode>3): Similarly, with ldexp expanders.
8393         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
8394         Use gen_truncxf<mode>2_i387_noop to truncate result.
8395
8396 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8397
8398         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
8399         for ColdFire targets.
8400
8401 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
8402             Richard Sandiford  <richard@codesourcery.com>
8403
8404         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
8405         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
8406         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
8407         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
8408         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
8409         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
8410
8411 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8412
8413         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
8414         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
8415         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
8416         (*adddi_dilshr32_cf): New pattern.
8417         (adddi3, subdi3): Remove first alternatives.
8418
8419 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8420
8421         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
8422         implemented using move.l, do not use its cc result for floating-point
8423         comparisons.
8424
8425 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8426
8427         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
8428         from accepting 's' constraints if flag_pic.
8429
8430 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8431
8432         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
8433         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
8434         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
8435         condition from TARGET_68881 to TARGET_HARD_FLOAT.
8436
8437 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
8438
8439         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
8440         ColdFire alternatives.
8441         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
8442         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
8443         architectures that support ff1 instruction.
8444
8445 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8446             Julian Brown  <julian@codesourcery.com>
8447
8448         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
8449         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
8450         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
8451         Add commentary.
8452
8453 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8454
8455         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
8456         and return a bool.
8457         (output_move_const_into_data_reg, output_move_simode_const): Delete.
8458         * config/m68k/m68k.c (const_method, const_int_cost): Take a
8459         HOST_WIDE_INT instead of an rtx.
8460         (m68k_rtx_costs): Update call accordingly.
8461         (output_move_const_into_data_reg): Likewise.  Fix formatting.
8462         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
8463         Return a bool.
8464         (output_move_simode_const): Update calls after above changes.
8465         Rework to use automatic variables and predicates like MEM_P.
8466         * config/m68k/m68k.md (pushexthisi_const): Update call to
8467         valid_mov3q_const.
8468
8469 2007-01-19  Dirk Mueller  <dmueller@suse.de>
8470
8471         * tree-ssa-alias.c (perform_var_substitution): Fix typo
8472         in dump_flags test.
8473
8474 2007-01-19  Richard Guenther  <rguenther@suse.de>
8475
8476         * builtins.c (expand_builtin_cexpi): Fall back to expanding
8477         via cexp in case sincos is not available.
8478
8479 2007-01-19  Richard Guenther  <rguenther@suse.de>
8480
8481         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
8482         * defaults.h (TARGET_HAS_SINCOS): Default to off.
8483         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
8484         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
8485         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
8486         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
8487         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
8488         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
8489
8490 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
8491
8492         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
8493         New insn patterns.
8494         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
8495         (atan2xf3): Directly generate RTL pattern.
8496         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
8497         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
8498         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8499         disable patterns for SSE math.
8500         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
8501         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
8502         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8503         disable patterns for SSE math.
8504
8505 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
8506
8507         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
8508
8509 2007-01-18  Roger Sayle  <roger@eyesopen.com>
8510
8511         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
8512         VIEW_CONVERT_EXPR to the same type as it's operand.
8513
8514 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
8515
8516         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
8517         configured for long double 128.
8518
8519 2007-01-18  Mike Stump  <mrs@apple.com>
8520
8521         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
8522         error.
8523
8524 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
8525
8526         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
8527         type correct.
8528
8529 2007-01-18  Jan Hubicka  <jh@suse.cz>
8530
8531         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
8532         greater than NUM_VOP_FREE_BUCKETS.
8533
8534 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
8535
8536         * tree-ssa-structalias.c: Update comments.
8537         (ptabitmap_obstack): Removed.
8538         (pta_obstack): New.
8539         (oldpta_obstack): Ditto.
8540         (stats): Add a few members.
8541         (struct variable_info): Remove node, complex, address_taken, and
8542         indirect_target members. Add oldsolution member.
8543         (new_var_info): Do not initialize removed members.
8544         (constraint_expr_type): Remove INCLUDES.
8545         (constraint_graph): Add size, implicit_preds, rep,
8546         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
8547         (FIRST_REF_NODE): New macro.
8548         (LAST_REF_NODE): Ditto.
8549         (FIRST_ADDR_NODE): Ditto.
8550         (find): New function.
8551         (unite): Ditto.
8552         (dump_constraint): Do not handle INCLUDES.
8553         (insert_into_complex): Do not insert duplicate constraints.
8554         (condense_varmap_nodes): Renamed and rewritten into ...
8555         (merge_node_constraints): This. Also fix bug in handling of
8556         offseted copy constraints.
8557         (clear_edges_for_node): No longer need to deal with preds at all,
8558         or removing associated preds/succs.
8559         (merge_graph_nodes): Deal with indirect_cycles.
8560         Don't deal with predecessors.
8561         (add_implicit_graph_edge): New function.
8562         (add_pred_graph_edge): Ditto.
8563         (add_graph_edge): Don't deal with predecessors.
8564         (build_constraint_graph): Removed.
8565         (build_pred_graph): New function.
8566         (build_succ_graph): Ditto.
8567         (struct scc_info): Removed in_component. Added roots, dfs, and
8568         node_mapping. Remove visited_index, unification_queue.
8569         (scc_visit): Deal with union-find we do now.
8570         Deal with cycles with REF nodes.
8571         (collapse_nodes): Renamed and rewritten to ...
8572         (unify_nodes): This.
8573         (process_unification_queue): Removed.
8574         (topo_visit): Cleanup
8575         (do_da_constraint): Use find.
8576         (do_sd_constraint): Ditto.
8577         (do_ds_constraint): Ditto.
8578         (do_complex_constraint): Ditto.
8579         (init_scc_info): Update for removed and added members.
8580         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
8581         (find_indirect_cycles): This.
8582         (equivalence_class): New variable.
8583         (label_visit): New function.
8584         (perform_variable_substitution): Rewritten.
8585         (free_var_substitution_info): New function.
8586         (find_equivalent_node): Ditto.
8587         (move_complex_constraints): Ditto.
8588         (eliminate_indirect_cycles): Ditto.
8589         (solve_graph): Only propagate changed bits.
8590         Use indirect cycle elimination.
8591         Use find.
8592         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
8593         (tree_id_eq): Renamed to ...
8594         (tree_vi_eq): This. Update for member change
8595         (insert_id_for_tree): Renamed and rewritten to ...
8596         (insert_vi_for_tree): This.
8597         (lookup_id_for_tree): Renamed and rewritten to ...
8598         (lookup_vi_for_tree): This.
8599         (get_id_for_tree): Renamed and rewritten to ...
8600         (get_vi_for_tree): Ditto.
8601         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
8602         (process_constraint): Don't handle INCLUDES.
8603         Remove special ADDRESSOF case.
8604         (find_func_aliases): Rewrite to use vi functions instead of id
8605         ones.
8606         (create_function_info_for): Ditto.
8607         (create_variable_info_for): Ditto.
8608         (intra_create_variable_infos): Ditto.
8609         (merge_smts_into): Ditto.
8610         (find_what_p_points_to): Ditto.
8611         (init_base_vars): Ditto.
8612         (init_alias_vars): Ditto.
8613         (remove_preds_and_fake_succs): New function.
8614         (dump_sa_points_to_info): Dump new stats.
8615         (dump_solution_for_var): Use find.
8616         (set_used_smts): Fix formatting.
8617         (compute_points_to_sets): Updated for new functions.
8618         (ipa_pta_execute): Ditto.
8619
8620 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8621             Richard Sandiford  <richard@codesourcery.com>
8622
8623         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
8624         parallels.
8625         * calls.c (expand_call): If the return value is a PARALLEL,
8626         extract its first member.
8627         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
8628         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
8629         use FUNCTION_EXTRA_EPILOGUE.
8630         (m68k_function_value): Return a PARALLEL if the return value
8631         is of a pointer type.
8632         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
8633         (FUNCTION_EXTRA_EPILOGUE): Remove.
8634         * config/m68k/m68k.md (D0_REG): New constant.
8635
8636 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8637
8638         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
8639         output a NOP for empty epilogues.
8640
8641 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8642
8643         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
8644         before function.  Extend register save check to include all
8645         registers, not just integer ones.
8646
8647 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8648
8649         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
8650         (m68k_use_return_insn): ...this.
8651         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
8652         * config/m68k/m68k.c (use_return_insn): Rename to...
8653         (m68k_use_return_insn): ...this.
8654         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
8655         of USE_RETURN_INSN.
8656
8657 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8658
8659         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
8660         nearest even, fix denormal rounding overflow.
8661
8662 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8663
8664         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
8665         f%$smove and f%$move.
8666         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
8667         (extendsfdf2_cf): Use fdmove instead of f%&move.
8668         (truncdfsf2_cf): Use fsmove instead of f%$smove.
8669         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
8670
8671 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8672
8673         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
8674         GPR<-GPR moves.
8675
8676 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8677
8678         * real.h (real_format): Add a canonical_nan_lsbs_set field.
8679         (coldfire_single_format): Declare.
8680         (coldfire_double_format): Likewise.
8681         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
8682         of qnan_msb_set to determine the lower bits of a canonical
8683         NaN significand.
8684         (encode_ieee_double): Likewise.
8685         (encode_ieee_quad): Likewise.
8686         (ieee_single_format): Initialize canonical_nan_lsbs_set.
8687         (mips_single_format): Likewise.
8688         (ieee_double_format): Likewise.
8689         (mips_double_format): Likewise.
8690         (ieee_extended_motorola_format): Likewise.
8691         (ieee_extended_intel_96_format): Likewise.
8692         (ieee_extended_intel_128_format): Likewise.
8693         (ieee_extended_intel_96_round_53_format): Likewise.
8694         (ibm_extended_format): Likewise.
8695         (mips_extended_format): Likewise.
8696         (ieee_quad_format): Likewise.
8697         (mips_quad_format): Likewise.
8698         (vax_f_format): Likewise.
8699         (vax_d_format): Likewise.
8700         (vax_g_format): Likewise.
8701         (i370_single_format): Likewise.
8702         (i370_double_format): Likewise.
8703         (decimal_single_format): Likewise.
8704         (decimal_double_format): Likewise.
8705         (decimal_quad_format): Likewise.
8706         (c4x_single_format): Likewise.
8707         (c4x_extended_format): Likewise.
8708         (real_internal_format): Likewise.
8709         (coldfire_single_format): New real_format.
8710         (coldfire_double_format): Likewise.
8711         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
8712         canonical_nan_lsbs_set.
8713         (pdp11_d_format): Likewise.
8714         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
8715         if TARGET_COLDFIRE_CPU.
8716
8717 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8718
8719         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
8720         (output_call, m68k_legitimize_call_address): Declare.
8721         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
8722         parenthesees.  Add support for a 'W' constraint.
8723         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
8724         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
8725         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
8726         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
8727         variables.
8728         (override_options): Initialize them.  Do not set flag_no_function_cse
8729         for TARGET_ID_SHARED_LIBRARY.
8730         (m68k_output_pic_call): Delete.
8731         (m68k_legitimize_call_address): New function.
8732         (print_operand): Remove the %o prefix.  Handle the %p prefix.
8733         (output_call): New function.
8734         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
8735         target address from the GOT if symbolic jumps are not allowed.
8736         * config/m68k/m68k.md (call, general_operand): Do not set
8737         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
8738         Merge separate flag_pic and !flag_pic define_insns into...
8739         (*call, *call_value): ...these new patterns.  Match the address
8740         rather than the containing MEM and require it to be a call_operand.
8741         Use output_call to generate the asm template.
8742         * config/m68k/predicates.md (const_call_operand): New predicate.
8743         (call_operand): Likewise.
8744
8745 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8746
8747         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
8748         (STACK_GROWS_DOWNWARD): Define to 1.
8749         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
8750         comments, emphasizing that these values are only defaults.
8751         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
8752         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
8753
8754 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8755
8756         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
8757
8758 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8759             Richard Sandiford  <richard@codesourcery.com>
8760
8761         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
8762         (FP_REGNO_P): New macros.
8763         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
8764         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
8765         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
8766         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
8767
8768 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8769
8770         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
8771         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
8772         to $tmake_file.
8773         * config/m68k/t-floatlib: New file, extracting common code from...
8774         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
8775         * config/m68k/t-uclinux: Here.
8776         * config/m68k/fpgnulib.c: Do not compile extendeed precision
8777         routines on ColdFire targets.
8778
8779 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8780
8781         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
8782         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
8783         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
8784         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
8785         explicitly set MOTOROLA to 1.
8786         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
8787
8788 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8789             Nathan Sidwell  <nathan@codesourcery.com>
8790
8791         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
8792         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
8793         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
8794         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
8795         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
8796         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
8797         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
8798         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
8799         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
8800         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
8801         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
8802         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
8803         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
8804         (DBX_REGISTER_NUMBER): Delete.
8805         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
8806         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
8807         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
8808
8809 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8810
8811         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
8812         * config/flat.h: New file.
8813         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
8814         OBJECT_FORMAT_FLAT.
8815         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
8816         indirect references for -msep-data or -mid-shared-library.
8817         Do not use PC-relative code addresses either.
8818         * config/m68k/m68k.c (override_options): Restrict -fPIC error
8819         to -mpcrel.
8820         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
8821         for shared libraries and crt1.o for executables.  Use crti.o and
8822         crtbegin.o.
8823         (ENDFILE_SPEC): Use crtend.o and crtn.o.
8824         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
8825         Do not add -elf2flt or -shared-lib-id options here.
8826         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
8827         Pass -shared-lib-id if -mid-shared-library, taking the library
8828         identifier from -mshared-library-id if given, otherwise
8829         defaulting to 0.
8830         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
8831         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
8832         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
8833         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
8834         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
8835         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
8836         and crtend.o.
8837         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
8838         jump sequence for ISA A and ISA A+.
8839         (PICJUMP): Likewise.
8840
8841 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8842
8843         * config.gcc (m68k-*-uclinux*): Base the port on the common
8844         and m68k GNU/Linux files rather than on the generic ELF ones.
8845         * config/m68k/uclinux.h (TARGET_VERSION): Override.
8846         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
8847
8848 2007-01-18  Julian Brown  <julian@codesourcery.com>
8849             Richard Sandiford  <richard@codesourcery.com>
8850
8851         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
8852         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
8853         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
8854         before redefining.
8855         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
8856         80 unconditionally.
8857         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
8858
8859 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8860
8861         * doc/install.texi: Document m68k-uclinuxoldabi.
8862         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
8863         * config/m68k/uclinux-oldabi.h: New file, copied from
8864         config/m68k/uclinux.h.
8865
8866 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
8867
8868         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
8869         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
8870         (m32r_compute_frame_size): Use unsigned for regno.
8871         (m32r_reload_lr): Use gen_frame_mem.
8872         (pop): New.
8873         (m32r_output_function_epilogue): Don't output the function epilogue
8874         textually here.
8875         (m32r_expand_epilogue): New.
8876         (direct_return): Return false if the function has the interrupt
8877         attribute.
8878         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
8879         * config/m32r/m32r.md (epilogue): New expander.
8880         (return_lr, return_rte): New insns.
8881         (return): Make it expander.
8882         (return_normal): New expander.
8883
8884 2007-01-18  Josh Conner  <jconner@apple.com>
8885
8886         PR target/30485
8887         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
8888         support for UNLE, UNLT, UNGE, and UNGT.
8889
8890 2007-01-18  Jan Hubicka  <jh@suse.cz>
8891
8892         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
8893         * tree-tailcall (add_virtual_phis): Likewise.
8894         (optimize_tail_call): Return TODOs.
8895         (execute_tail_calls): Return TODOs.
8896         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
8897         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
8898         changed.
8899         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
8900         Cleanup cfg using TODO.
8901         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
8902         * passes.c (execute_function_todo): When cleanup did something, remove
8903         unused locals.
8904         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
8905         (make_edges): Don't cleanup_cfg.
8906
8907 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
8908
8909         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
8910         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
8911         operate on the top of stack.
8912         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
8913         register handling of instructions that output to the second
8914         stack slot.
8915         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
8916         (move_for_stack_reg): Special-case check for dead destination
8917         stack slot for constant load of 1.0 inside UNSPEC_TAN.
8918
8919         * config/i386/i386.md (UNSPEC_TAN): New constant.
8920         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
8921         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
8922         to correctly model move of constant 1.0 to top stack slot.
8923         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
8924         (unnamed peephole2 pattern): Remove corresponding peephole2
8925         pattern that optimizes tan insn and loading of constant 1.0.
8926         (tanxf2): Use fptanxf4_i387.
8927         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
8928         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
8929         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8930         disable patterns for SSE math.
8931         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
8932         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
8933
8934 2007-01-18  Dirk Mueller  <dmueller@suse.de>
8935             Richard Guenther <rguenther@suse.de>
8936
8937         PR diagnostic/8268
8938         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
8939         * common.opt (Warray-bounds): Add new warning option.
8940         * c-opts.c (c_common_handle_option): Define -Warray-bounds
8941         if -Wall is given.
8942         * Makefile.in: make tree-vrp.o depend on toplev.h
8943         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
8944         is enabled.
8945         (check_array_refs, check_array_bounds, check_array_ref): New.
8946
8947 2007-01-18  Jan Hubicka  <jh@suse.cz>
8948
8949         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
8950         (execute_ssa_ccp): Return flags conditionally.
8951         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
8952         changed.
8953         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
8954
8955 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
8956
8957         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
8958         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
8959
8960         * Makefile.c (GTFILES): Add cfglayout.h.
8961         * gengtype.c (open_base_files): Likewise.
8962         * cfglayout.c (cfg_layout_function_footer,
8963         cfg_layout_function_header) Reindent to make gengtype happy.
8964         * cfglayout.h (cfg_layout_function_footer,
8965         cfg_layout_function_header): Add GTY(()) marker.
8966
8967         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
8968
8969 2007-01-18  Ben Elliston  <bje@au.ibm.com>
8970
8971         * genautomata.c (write_automata): Include xstrerror output in the
8972         error message if writing the DFA description file fails.
8973
8974 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
8975
8976         * config/mips/mips-protos.h (mips_output_external): Make it
8977         return void.
8978         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
8979         * config/mips/mips.c (irix_output_external_libcall): Likewise.
8980         (extern_list): Likewise.
8981         (extern_head): Likewise.
8982         (TARGET_ASM_FILE_END): Likewise.
8983         (mips_file_end): Likewise.
8984         (mips_output_external): Rewritten.
8985
8986 2007-01-18  Ben Elliston  <bje@au.ibm.com>
8987
8988         * genpreds.c (write_insn_preds_c): Only write out the function
8989         body for regclass_for_constraint if we have register constraints.
8990
8991 2007-01-17  Tom Tromey  <tromey@redhat.com>
8992
8993         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
8994         * doc/install.texi (Testing): Use sourceware.org.
8995         (Binaries): Likewise.
8996         (Specific): Likewise.
8997         * doc/contrib.texi (Contributors): Use sourceware.org.
8998
8999 2007-01-17  Anatoly Sokolov <aesok@post.ru>
9000
9001         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
9002         (AVR_ENHANCED): Rename to ...
9003         (AVR_HAVE_MUL): ... new.
9004         (avr_enhanced_p): Rename to ...
9005         (avr_have_mul_p): ... new.
9006         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
9007         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
9008         * config/avr/avr.c (avr_enhanced_p): Rename to ...
9009         (avr_have_mul_p): ... new.
9010         (base_arch_s): Rename 'enhanced' to 'have_mul'.
9011         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
9012         'avr_enhanced_p' and 'enhanced'.
9013         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
9014         AVR_HAVE_MUL instead of AVR_ENHANCED.
9015         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
9016         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
9017         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
9018         instead of AVR_ENHANCED.
9019         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
9020         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
9021         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
9022
9023 2007-01-17  Ian Lance Taylor  <iant@google.com>
9024
9025         * vec.h (VEC_reserve_exact): Define.
9026         (vec_gc_p_reserve_exact): Declare.
9027         (vec_gc_o_reserve_exact): Declare.
9028         (vec_heap_p_reserve_exact): Declare.
9029         (vec_heap_o_reserve_exact): Declare.
9030         (VEC_OP (T,A,reserve_exact)): New static inline function, three
9031         versions.
9032         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
9033         negative parameter.
9034         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
9035         (VEC_OP (T,A,copy)) [all versions]: Likewise.
9036         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
9037         * vec.c (calculate_allocation): Add exact parameter.  Change all
9038         callers.
9039         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
9040         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
9041         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
9042         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
9043         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
9044         (vec_heap_p_reserve_exact): New function.
9045         (vec_heap_o_reserve_exact): New function.
9046
9047 2007-01-17  Jan Hubicka  <jh@suse.cz>
9048
9049         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
9050
9051 2007-01-17  Eric Christopher  <echristo@apple.com>
9052
9053         * config.gcc: Support core2 processor.
9054
9055 2007-01-16  Jan Hubicka  <jh@suse.cz>
9056
9057         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
9058         the names, just unlink the chain so we don't crash on dangling pointers
9059         to dead SSA names.
9060
9061 2007-01-16  Jan Hubicka  <jh@suse.cz>
9062
9063         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
9064         * tree-pass.h: Reorder to make IPA passes appear toegher.
9065         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
9066         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
9067         parameters, do not call early inliner.
9068         * ipa-inline.c: Update comments.  Include tree-flow.h
9069         (cgraph_decide_inlining): Do not compute inlining parameters.
9070         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
9071         be called with function context set up.
9072         (pass_ipa_inline): Remove unreachable functions before pass.
9073         (cgraph_early_inlining): Simplify assuming to be called from the
9074         PM as local pass.
9075         (pass_early_inline): New pass.
9076         (cgraph_gate_ipa_early_inlining): New gate.
9077         (pass_ipa_early_inline): Turn into simple wrapper.
9078         (compute_inline_parameters): New function.
9079         (gate_inline_passes): New gate.
9080         (pass_inline_parameters): New pass.
9081         (apply_inline): Move here from tree-optimize.c
9082         (pass_apply_inline): New pass.
9083         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
9084         transforming.
9085         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
9086         doing them by hand.
9087         (tree_function_versioning): Do not allocate dummy struct function.
9088         * tree-inline.h (optimize_inline_calls): Update prototype.
9089         * tree-optimize.c (execute_fixup_cfg): Export.
9090         (pass_fixup_cfg): Remove
9091         (tree_rest_of_compilation): Do not apply inlines.
9092         * tree-flow.h (execute_fixup_cfg): Declare.
9093         * Makefile.in (gt-passes.c): New.
9094         * passes.c: Include gt-passes.h
9095         (init_optimization_passes): New passes.
9096         (nnodes, order): New static vars.
9097         (do_per_function_toporder): New function.
9098         (execute_one_pass): Dump current pass here.
9099         (execute_ipa_pass_list): Don't dump current pass here.
9100
9101 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
9102
9103         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
9104         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
9105
9106 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
9107
9108         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
9109         (strong_alias): Define.
9110         (__gcc_qmul): Provide non-FMA for soft-float.
9111         (__gcc_qdiv): Same.
9112         (__gcc_qneg): New.
9113         (__gcc_qeq): New.
9114         (__gcc_qle): New.
9115         (__gcc_qge): New.
9116         (__gcc_qunord): New.
9117         (__gcc_stoq): New.
9118         (__gcc_dtoq): New.
9119         (__gcc_qtos): New.
9120         (__gcc_qtod): New.
9121         (__gcc_qtoi): New.
9122         (__gcc_qtou): New.
9123         (__gcc_itoq): New.
9124         (__gcc_utoq): New.
9125         (fmsub): New.
9126         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
9127         soft-float functions.
9128         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
9129         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
9130         about long double soft float.
9131
9132 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
9133             Tehila Meyzels  <tehila@il.ibm.com>
9134
9135         * tree-vectorizer.h (is_pattern_stmt_p): New.
9136         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
9137         formatting (tabs instead of spaces). Cleanup and clarify setting
9138         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
9139         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
9140         (vectorizable_type_demotion): Check that types are integral.
9141         (vectorizable_type_promotion): Likewise.
9142         (vectorizable_store): Fix typo.  Eliminate new-line at end of
9143         comments.
9144
9145 2007-01-16  Jan Hubicka  <jh@suse.cz>
9146
9147         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
9148         cgraph edges too.
9149
9150 2007-01-15  Eric Christopher  <echristo@apple.com>
9151
9152         * ifcvt.c: Include vec.h, vecprim.h.
9153         (check_cond_move_block): New argument regs.
9154         Reorganize. Add registers used to regs.
9155         (cond_move_process_if_block): Use regs set above as
9156         loop bounds.
9157
9158 2007-01-15  Eric Christopher  <echristo@apple.com>
9159
9160         * config/darwin.h: Update copyright.
9161         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
9162         (LINK_COMMAND_SPEC): Add -u.
9163         (LINK_SPEC): Fix umbrella for above.
9164
9165 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
9166
9167         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
9168         glibc CVS.
9169
9170 2007-01-15  Tom Tromey  <tromey@redhat.com>
9171
9172         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
9173         * doc/install.texi (Testing): Don't mention jacks.
9174         (Configuration): Document --enable-java-maintainer-mode.  Move
9175         --with-java-home to libgcj-specific section.  Document
9176         --with-ecj-jar.
9177         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
9178
9179 2007-01-15  Jan Hubicka  <jh@suse.cz>
9180
9181         * tree-ssa-dce.c (DCE_TODOs): New.
9182         (propagate_necessity): Return if something changed.
9183         (eliminate_unnecessary_stmts): Likewise.
9184         (perform_tree_ssa_dce): Return TODO flags when needed.
9185         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
9186
9187 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
9188
9189         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
9190         (fyl2x_extend<mode>xf3_i387): New insn pattern.
9191         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
9192         patterns using X87MODEF12 mode macro.  Extend operand 1
9193         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
9194         (log10<mode>2): Ditto.
9195         (log2<mode>2): Ditto.
9196         (log1p<mode>2): Ditto.
9197         (logb<mode>2): Ditto.
9198         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
9199         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
9200         (*fxtractxf3_i387): Rename from *fxtractxf3.
9201         (fxtract_extend<mode>xf3_i387): New insn pattern.
9202         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
9203         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
9204         and gen_fyl2xxf3_i387().
9205
9206 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
9207
9208         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
9209         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
9210         get_loop_exit_edges.  Changed return type to bool.
9211         * cfgloop.h (fix_loop_placement): Declaration removed.
9212
9213 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
9214
9215         * param.h (MIN_VECT_LOOP_BOUND): New.
9216         * params.def (MIN_VECT_LOOP_BOUND): New.
9217         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
9218         argument - minimum threshold for number of iterations.
9219         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
9220         argument to declaration.
9221         * tree-vect-analyze.c (vect_analyze_operations): Check value of
9222         MIN_VECT_LOOP_BOUND.
9223         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
9224         slpeel_tree_peel_loop_to_edge with additional argument.
9225         (vect_do_peeling_for_alignment): Likewise.
9226         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
9227
9228 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
9229
9230         PR target/30413
9231         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
9232         operands of size 1.
9233
9234 2007-01-14  Jan Hubicka  <jh@suse.cz>
9235
9236         * tree-dfa.c (remove_referenced_var): New function.
9237         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
9238         prune referenced vars list too.
9239         * tree-flow.h (remove_referenced_var): Declare.
9240
9241 2007-01-14  Jan Hubicka  <jh@suse.cz>
9242
9243         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
9244         separately.
9245         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
9246         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
9247         * except.h (verify_eh_throw_table_statements): Kill prototype.
9248         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
9249         into call exrepssions.
9250         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
9251         eh trhow verifier.
9252         * tree-cfg.c: Include pointer-set.h.
9253         (verify_node_sharing): Work on pointer set.
9254         (verify_eh_throw_stmt_node): New.
9255         (verify_stmts): Use pointers sets, verify throw_stmt.
9256
9257 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
9258
9259         * ipa-reference.c (analyze_function): Consider also addresses taken
9260         in phi nodes.
9261
9262 2007-01-12  Roger Sayle  <roger@eyesopen.com>
9263
9264         * c-typeck.c (null_pointer_constant_p): Replace use of
9265         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9266         (build_c_cast): Likewise.
9267
9268 2007-01-12  Roger Sayle  <roger@eyesopen.com>
9269
9270         * tree.h (force_fit_type_double): Remove unused final argument.
9271         * c-common.c (constant_expression_warning): Replace use of
9272         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9273         (convert_and_check): Likewise.
9274         (shorten_compare): Update call to force_fit_type_double.
9275         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
9276         * convert.c (convert_to_pointer): Update call to
9277         force_fit_type_double.
9278         * fold-const.c (force_fit_type_double): Remove overflowed_const
9279         argument.
9280         (int_const_binop, fold_convert_const_int_from_int,
9281         fold_convert_const_int_from_real, fold_div_compare,
9282         fold_sign_changed_comparison, fold_unary, fold_negate_const,
9283         fold_abs_const, fold_not_const): Remove the final argument from
9284         calls to force_fit_type_double.
9285
9286 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9287
9288         * configure.ac: Set insn to "nop" for spu-*-* also.
9289         * configure: Regenerate.
9290
9291 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
9292
9293         * builtins.def : Add BUILT_IN_FREE.
9294
9295 2007-01-12  Jan Hubicka  <jh@suse.cz>
9296
9297         PR tree-optimization/30443
9298         * tree-inline.c (tree_function_versioning): Do not optimize when
9299         cloning for inlining.
9300
9301 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
9302
9303         * doc/loop.texi: Document recording of loop exits.
9304         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
9305         (update_single_exits_after_duplication,
9306         update_single_exit_for_duplicated_loop,
9307         update_single_exit_for_duplicated_loops): Removed.
9308         (duplicate_loop_to_header_edge): Do not call
9309         update_single_exits_after_duplication and
9310         update_single_exit_for_duplicated_loops.
9311         (loop_version): Do not update single_exit information.
9312         (fix_loop_structure): Use record_loop_exits instead of
9313         mark_single_exit_loops.
9314         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
9315         the lists of loop exits.
9316         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
9317         split_edge, merge_blocks): Update the lists of loop exits.
9318         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
9319         loop_optimizer_init.
9320         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
9321         of mark_single_exit_loops.
9322         (loop_optimizer_finalize): Call release_recorded_exits.
9323         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
9324         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
9325         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
9326         update single exit information.
9327         * lambda-code.c (perfect_nestify): Ditto.
9328         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
9329         (mark_single_exit_loops): Removed.
9330         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
9331         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
9332         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
9333         functions.
9334         (get_loop_exit_edges, single_exit): Use recorded exit lists.
9335         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
9336         (verify_loop_structure): Verify consistency of the exit lists.
9337         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
9338         (set_single_exit): Removed.
9339         * cfgloop.h (struct loop_exit): New function.
9340         (struct loop): single_exit_ field replaced by exits field.
9341         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
9342         (struct loops): Added exits hash.
9343         (mark_single_exit_loops, set_single_exit): Declaration removed.
9344         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
9345
9346 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9347
9348         * doc/invoke.texi: Avoid use of @headitem.
9349
9350 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9351
9352         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
9353
9354 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9355
9356         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
9357         list of targets.
9358
9359 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9360             Richard Sandiford  <richard@codesourcery.com>
9361
9362         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
9363         * config/m68k/m68k.opt: Resort options.
9364         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
9365
9366 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9367             Richard Sandiford  <richard@codesourcery.com>
9368
9369         * doc/invoke.texi: Document the macros that are defined by
9370         m68k's -mtune and -mhard-float options.
9371         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
9372         (m68k_cpp_cpu_family): Likewise.
9373         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
9374         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
9375         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
9376         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
9377         (m68k_cpp_cpu_family): Likewise.
9378
9379 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9380
9381         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
9382         macros besides mc68000 as tuning macros.  Use a switch statement
9383         to set them and mcpu32.
9384
9385 2007-01-12  Julian Brown  <julian@codesourcery.com>
9386
9387         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
9388         (TARGET_68040_ONLY): Rename to...
9389         (TARGET_68040): ...this.
9390         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
9391         * config/m68k/m68k.md: Likewise.
9392
9393 2007-01-12  Julian Brown  <julian@codesourcery.com>
9394             Nathan Sidwell  <nathan@codesourcery.com>
9395             Richard Sandiford  <richard@codesourcery.com>
9396
9397         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
9398         the -mcpu= argument associated with the --with-cpu setting.
9399         Define M68K_DEFAULT_TUNE to the default -mtune= option,
9400         if different from the one implied by the -mcpu setting.
9401         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
9402         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
9403         * doc/invoke.texi: Mention ColdFire in the introduction to the
9404         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
9405         -mno-div and -mhard-float options.  Make -m68881 a synonym for
9406         -mhard-float.  Document the previously-undocumented -m5206e,
9407         -m528x, -m5307 and -m5407 options.  Tweak the existing option
9408         documentation for consistency.
9409         * doc/install.texi: Mention new --with-cpu arguments.
9410         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
9411         default CPU if neither -mcpu nor -march are specified.
9412         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
9413         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
9414         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
9415         using m68k_tune to decide between families that implement the
9416         same ISA.  Use m68k_tune to set __mcfv4e__.
9417         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
9418         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
9419         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
9420         (FL_ISA_C, FL_ISA_MMU): New macros.
9421         (MASK_COLDFIRE): Delete.
9422         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
9423         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
9424         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
9425         (TARGET_HARD_FLOAT): Do not define here.
9426         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
9427         (TUNE_68000): New macro.
9428         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
9429         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
9430         (TUNE_CFV2): Redefine in terms of m68k_tune.
9431         (uarch_type, target_device, fpu_type): New enums.
9432         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
9433         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
9434         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
9435         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
9436         (FL_FOR_isa_c): New macros.
9437         (m68k_isa): New enum.
9438         (m68k_target_selection): New structure.
9439         (all_devices, all_isas, all_microarchs): New tables.
9440         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
9441         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
9442         (MASK_ALL_CPU_BITS): Delete.
9443         (m68k_find_selection): New function.
9444         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
9445         Map the legacy target options to a combination of the new ones.
9446         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
9447         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
9448         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
9449         settings.
9450         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
9451         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
9452         properties.
9453         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
9454         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
9455         * config/m68k/m68k-devices.def: New file.
9456
9457 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9458             Nathan Sidwell  <nathan@codesourcery.com>
9459
9460         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
9461         (SUBTARGET_EXTRA_SPECS): New macros.
9462         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
9463         use %(asm_cpu_spec) instead.
9464         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
9465         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
9466         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
9467         (EXTRA_SPECS): Rename to...
9468         (SUBTARGET_EXTRA_SPECS): ...this.
9469
9470 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9471             Richard Sandiford  <richard@codesourcery.com>
9472             Julian Brown  <julian@codesourcery.com>
9473
9474         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9475         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
9476         to the configuration's default CPU.
9477         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
9478         Remove default masks.
9479         (m680[012]0-*-*): Set the default with_cpu to the first part of
9480         the target name.
9481         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
9482         (m68k*-*-linux): Extend the --with-cpu handling to...
9483         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
9484         and m68010.  Don't set target_cpu_default2.
9485         * doc/install.texi: Document --with-cpu for m68k.
9486         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
9487         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
9488         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
9489         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
9490         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
9491         (ASM_SPEC): Remove use of %(asm_cpu_default).
9492         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
9493         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
9494         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
9495         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
9496         __HAVE_FPU__ if TARGET_HARD_FLOAT.
9497         (TARGET_DEFAULT): Delete.
9498         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
9499         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
9500         (CPP_CPU_SPEC): Delete.
9501         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
9502         the appropriate string.
9503         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
9504         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
9505         (ASM_SPEC): Don't use %(asm_default_spec).
9506         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9507         TARGET_DEFAULT and add MASK_68881.
9508         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
9509
9510 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9511
9512         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
9513         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
9514         MASK_68010 alongside MASK_68020.
9515         * doc/invoke.texi: Document -m68010.
9516         * config/m68k/m68k.opt (m68010): New.
9517         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
9518         if TUNE_68010.
9519         (TUNE_68010): New macro.
9520         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
9521         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
9522         (M68K_CPU_m68332): Add MASK_68010.
9523         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
9524         fallback definition.
9525         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
9526         defines.
9527         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
9528         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
9529         to all entries that use MASK_68020.
9530         (output_move_simode_const, output_move_himode, output_move_qimode)
9531         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
9532         instead of TARGET_68020 to select clr behavior.  Remove comment
9533         about there being no TARGET_68010.
9534         * config/m68k/m68k.md: Likewise throughout.
9535
9536 2007-01-12  Julian Brown  <julian@codesourcery.com>
9537
9538         * config/m68k/m68k.h (TARGET_ISAB): New macro.
9539         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
9540         * config/m68k/m68k.md: Likewise.
9541
9542 2007-01-12  Julian Brown  <julian@codesourcery.com>
9543
9544         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
9545         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
9546
9547 2007-01-12  Julian Brown  <julian@codesourcery.com>
9548
9549         * config/m68k/m68k.h (TUNE_68040_60): New macro.
9550         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
9551         * config/m68k/m68k.md: Likewise.
9552
9553 2007-01-12  Julian Brown  <julian@codesourcery.com>
9554             Richard Sandiford  <richard@codesourcery.com>
9555
9556         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
9557         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
9558         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
9559         TARGET_CPU32.
9560         (TARGET_CPU32): Rename to...
9561         (TUNE_CPU32): ...this.
9562         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
9563         (TUNE_CFV2): New macros.
9564         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
9565         remove conditions that are implied by TARGET_68020.
9566         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
9567         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
9568         (m68k_output_function_epilogue): Likewise.
9569         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
9570         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
9571         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
9572         non-68000 timings.  Refactor multiplication and division costs.
9573         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
9574         TUNE_CPU32 instead of TARGET_CPU32.
9575         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
9576         and TUNE_68060 instead of TARGET_68060.
9577         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
9578         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
9579         TARGET_CPU32.
9580         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
9581         && !TARGET_COLDFIRE" to choose between moveq and clr.
9582         Likewise in the unnamed movsf pattern.
9583         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
9584         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
9585         ashiftrt pattern.
9586
9587 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9588
9589         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
9590         of tabbing before backslashes.
9591
9592 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9593
9594         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
9595         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
9596         (ASM_OUTPUT_INTERNAL_LABEL): Define.
9597
9598 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
9599
9600         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
9601         find_interesting_uses_cond.
9602         (find_interesting_uses_cond): Use extract_cond_operands.
9603         (rewrite_use_compare): Use extract_cond_operands and
9604         force_gimple_operand_bsi.  Do not call update_stmt.
9605         (determine_use_iv_cost_condition): Use extract_cond_operands.
9606         Return cheaper of using original bound and changing the exit bound.
9607
9608 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
9609
9610         PR tree-optimization/29516
9611         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
9612         most_expensive_mult_to_index, addr_to_parts,
9613         create_mem_ref, maybe_fold_tmr): Make the type of
9614         fields of TARGET_MEM_REF sizetype.
9615         (move_fixed_address_to_symbol, move_pointer_to_base):
9616         New functions.
9617         * tree.def (TARGET_MEM_REF): Add comment on types of
9618         the operands.
9619
9620 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
9621
9622         * c-common.c (vector_types_convertible_p): Treat opaque types as
9623         always convertible if they have the same size, but not otherwise.
9624
9625 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
9626
9627         * ifcvt.c (struct noce_if_info): Add comments to the fields.
9628         Remove the b_unconditional field.
9629         (noce_try_sign_mask): Do not look at b_unconditional.
9630         (noce_process_if_block): Do not use merge_if_blocks.  Update
9631         the CFG here.  Do not set b_unconditional.
9632         (cond_move_process_if_block): Likewise.
9633         (find_cond_trap): Likewise.
9634         (check_cond_move_block): Require simple jump insns at the end
9635         of the basic block.
9636
9637 2007-01-11  Jan Hubicka  <jh@suse.cz>
9638
9639         PR tree-optimization/1046
9640         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
9641         when alias info is not ready.
9642         (pass_tail_recursion): Do not require aliasing.
9643         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
9644         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
9645         * tree-ssa-copy.c (pass_copy_prop): Likewise.
9646         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
9647         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
9648         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
9649         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
9650         before inlining.
9651         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
9652         When aliasing is not build, mark statement as volatile.
9653
9654 2007-01-11  Tom Tromey  <tromey@redhat.com>
9655
9656         PR preprocessor/15185, PR preprocessor/20989:
9657         * doc/cppopts.texi <-MT>: Update description of algorithm for
9658         computing default target.
9659         <-M, -MD>: Reword "basename" text.
9660
9661 2007-01-11  Roger Sayle  <roger@eyesopen.com>
9662
9663         * builtins.c (expand_builtin_pow, expand_builtin_powi,
9664         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
9665         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
9666         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
9667         fold_builtin_bswap, real_constp, fold_builtin_pow,
9668         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
9669         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
9670         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9671         * convert.c (convert_to_pointer): Likewise.
9672         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
9673         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
9674         const_binop, fold_convert_const_int_from_int,
9675         fold_convert_const_int_from_real,
9676         fold_convert_const_real_from_real, sign_bit_p,
9677         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
9678         fold_sign_changed_comparison, fold_unary, fold_comparison,
9679         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
9680         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
9681         * print-tree.c (print_node_brief, print_node): Likewise.
9682         * stor-layout.c (place_field, layout_type): Likewise.
9683         * tree-chrec.c (keep_cast): Likewise.
9684         * tree.c (build_vector, build_real, build_real_from_int_cst,
9685         build_complex): Likewise.
9686
9687 2007-01-11  Roger Sayle  <roger@eyesopen.com>
9688
9689         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
9690         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
9691
9692 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
9693
9694         * configure.ac (strict1_warn): Rename to strict_warn.
9695         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
9696         cc_set_by_configure, quoted_cc_set_by_configure,
9697         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
9698         all_boot_languages, all_stagestuff): Remove.
9699         (target_list): Remove bootstrap targets.
9700         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
9701         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
9702         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
9703         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
9704         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
9705         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
9706         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
9707         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
9708         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
9709         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
9710         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
9711         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
9712         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
9713         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
9714         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
9715         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
9716         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
9717         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
9718         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
9719         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
9720         (mostlyclean): Adjust.
9721         (clean, distclean): Don't mention bootstrap stuff.
9722         * configure: Regenerate.
9723         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
9724         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
9725         treelang/config-lang.in (stagestuff): Remove.
9726         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
9727         stageprofile, stagefeedback, stagestuff): Remove mention.
9728
9729 2007-01-11  Nick Clifton  <nickc@redhat.com>
9730
9731         * config/mcore/predicates.md (mcore_general_movesrc_operand):
9732         Accept CONSTs.
9733         (mcore_general_movdst_operand): Do not accept CONST_INTs.
9734         (mcore_arith_K_S_operand): Run the test for the S constraint not
9735         the test for the M constraint.
9736         (mcore_addsub_operand): Do not accept integer values that are
9737         larger than 32 bits.
9738         * config/mcore/mcore.md: Remove unused constraints from split.
9739         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
9740         (addsi3): Likewise.
9741         (allocate_stack): Likewise.
9742         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
9743         operands to 32 bits.
9744         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
9745         INTVAL.
9746         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
9747         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
9748         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
9749         mcore_output_bclri, mcore_output_andn, output_inline_const,
9750         mcore_output_move, mcore_output_movedouble): Likewise.
9751         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
9752         (output_inline_const): Likewise.
9753         (output_inline_const): Fix format strings used in sprintf
9754         statements.
9755         * config/mcore/mcore-protos.h: Update prototypes for changed
9756         functions in mcore.c.
9757         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
9758         HOST_WIDE_INT and not int.
9759         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
9760         CONST_OK_FOR_N): Likewise.
9761         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
9762         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
9763         an INTVAL.
9764
9765 2007-01-10  Jan Hubicka  <jh@suse.cz>
9766
9767         * tree-vrp.c (remove_range_assertions): Release defs.
9768         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
9769         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
9770
9771 2007-01-10  Paul Brook  <paul@codesourcery.com>
9772
9773         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
9774         * config/arm/arm.md (mulsi3subsi): New insn.
9775
9776 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
9777
9778         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
9779         (tree_transform_and_unroll_loop): New.
9780         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
9781         Declare.
9782
9783 2007-01-10  Robert Kennedy <jimbob@google.com>
9784
9785         * fold-const.c (fold_comparison): Fold comparisons like (x *
9786         1000 < 0) to (x < 0).
9787
9788 2007-01-10  Ian Lance Taylor  <iant@google.com>
9789
9790         * tree-pretty-print.c (dump_generic_node): Print parentheses when
9791         operands have the same priority.
9792
9793 2007-01-10  Tom Tromey  <tromey@redhat.com>
9794
9795         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
9796         (fold_binary): Likewise.
9797         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
9798         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
9799         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
9800         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
9801         * langhooks.h (struct lang_hooks): Removed field
9802         'can_use_bit_fields_p'.
9803
9804 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
9805
9806         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
9807
9808 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
9809
9810         * function.c (get_last_funcdef_no): New function.
9811         * function.h (get_last_funcdef_no): Declare.
9812         * tree-inline.c (initialize_cfun): Add initialization.
9813         (tree_function_versioning): Cleanup.
9814
9815 2007-01-10  Jan Hubicka  <jh@suse.cz>
9816
9817         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
9818         PHIs.
9819
9820 2007-01-10  Sa Liu  <saliu@de.ibm.com>
9821             Ben Elliston  <bje@au.ibm.com>
9822
9823         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
9824         for SAVE_NONLOCAL and Pmode for any other save level.
9825         * spu-protos.h (spu_restore_stack_block): Declare.
9826         * spu.md (save_stack_block): Remove.
9827         (restore_stack_block): Call spu_restore_stack_block.
9828         * spu.c (spu_restore_stack_block): New function.
9829         (spu_expand_epilogue): Remove old comment.
9830
9831 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
9832
9833         PR tree-optimization/30322
9834         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
9835         (cand_value_at): Return the value as aff_tree.
9836         (may_eliminate_iv): Convert the bound from aff_tree to tree.
9837         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
9838         aff_combination_mult): New functions.
9839         (aff_combination_add): Use aff_combination_add_cst.
9840         (aff_combination_convert): Allow conversions to a wider type.
9841         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
9842         * tree-affine.h (aff_combination_mult): Declare.
9843
9844 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
9845
9846         * doc/tm.texi: Update documentation to reflect reality of exec
9847         and start file search behaviours. Update copyright year.
9848         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
9849         header file directories.
9850
9851 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
9852
9853         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
9854         (*cosxf2): Rename to cosxf2_i387.
9855         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
9856         using X87MODEF12 mode macro. Rename patterns to
9857         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
9858         for SSE math.
9859         (*cosdf2, *cossf2): Ditto.
9860         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
9861         to match extended input operands.
9862         (sincos<mode>3): New expander.
9863         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
9864         insn patterns and corresponding splitters.
9865
9866 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
9867
9868         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
9869         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
9870
9871 2007-01-09  Nicolas Pitre  <nico@cam.org>
9872
9873         PR target/30173
9874         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
9875
9876 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
9877
9878         * target.h (struct gcc_target): New field library_rtti_comdat.
9879         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
9880         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
9881         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
9882         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
9883
9884 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
9885
9886         * doc/invoke.texi (Optimize Options): Correct description of -O0.
9887
9888 2007-01-08  Richard Guenther  <rguenther@suse.de>
9889
9890         * tree.h (force_fit_type_double): Export.
9891         (force_fit_type): Remove.
9892         * fold-const.c (force_fit_type_double): New function.
9893         (force_fit_type): Remove.
9894         (int_const_binop): Use it.
9895         (fold_convert_const_int_from_int): Likewise.
9896         (fold_convert_const_int_from_real): Likewise.
9897         (fold_div_compare): Likewise.
9898         (fold_sign_changed_comparison): Likewise.
9899         (fold_unary): Likewise.
9900         (fold_negate_const): Likewise.
9901         (fold_abs_const): Likewise.
9902         (fold_not_const): Likewise.
9903         * c-common.c (shorten_compare): Use force_fit_type_double.
9904         * convert.c (convert_to_pointer): Likewise.
9905
9906 2007-01-08  Richard Guenther  <rguenther@suse.de>
9907
9908         * tree.h (build_int_cst_wide_type): Export.
9909         * tree.c (build_int_cst_wide_type): New function.
9910         (build_int_cst_wide): Fix comment.
9911         * builtins.c (fold_builtin_object_size): Use build_int_cst
9912         to build -1 or 0 of the correct type.  Use fit_double_type
9913         to check for overflow.
9914         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
9915         to build the mask.
9916         (decode_field_reference): Likewise.
9917         (all_ones_mask_p): Likewise.
9918         (native_interpret_int): Use build_int_cst_wide_type.
9919         (fold_binary): Use build_int_cst_type to build an all-ones
9920         value.
9921         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
9922
9923 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
9924
9925         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
9926
9927 2007-01-09  Ben Elliston  <bje@au.ibm.com>
9928
9929         * genautomata.c (STATS_OPTION): New option.
9930         (stats_flag): New flag.
9931         (gen_automata_option): Handle it.
9932         (initiate_automaton_gen): Ditto.
9933         (write_automata): Output statistics only if stats_flag is
9934         set. Likewise, output time statistics only if time_flag is set.
9935         * doc/md.texi (Processor pipeline description): Document new flag.
9936
9937 2007-01-08  Richard Guenther  <rguenther@suse.de>
9938
9939         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
9940         * tree.c (build_int_cst_type): Likewise.
9941         (size_in_bytes): Don't call force_fit_type on the result.
9942         (int_fits_type_p): Use fit_double_type.
9943         * fold-const.c (fit_double_type): New function.
9944         (force_fit_type): Use it.
9945         * tree.h (fit_double_type): Export.
9946
9947 2007-01-08  Jan Hubicka  <jh@suse.cz>
9948
9949         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
9950         * ipa.c (function_and_variable_visibility): Fix return type.
9951
9952 2007-01-08  Richard Guenther  <rguenther@suse.de>
9953
9954         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
9955         of offset to build the index.
9956         * tree-pretty-print.c (dump_generic_node): Don't build negated
9957         const just for printing.
9958         * c-pretty-print.c (pp_c_integer_constant): Likewise.
9959         * builtins.c (fold_builtin_int_roundingfn): Check if result
9960         fits the type by using force_fit_type and comparing the result.
9961         * predict.c (predict_loops): Use compare_tree_int for comparison.
9962         * tree.c (build_int_cst): Fall back to integer_type_node for
9963         NULL_TREE type.
9964         (build_int_cst_wide): Assert type is non-null.
9965
9966 2007-01-08  Roberto Costa  <roberto.costa@st.com>
9967
9968         * tree-vrp.c (extract_range_from_cond_expr): New.
9969         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
9970         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
9971         as expressions.
9972         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
9973         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
9974         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
9975         used as expressions.
9976         * tree-object-size.c (cond_expr_object_size): New.
9977         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
9978
9979 2007-01-08  Jan Hubicka  <jh@suse.cz>
9980
9981         * tree-ssa-forwprop.c (forward_propagate_into_cond,
9982         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
9983         statement.
9984
9985 2007-01-08  Richard Guenther  <rguenther@suse.de>
9986
9987         PR tree-optimization/23603
9988         * tree-vrp.c (set_value_range_to_truthvalue): New function.
9989         (extract_range_from_binary): Fall back to truthvalue instead of
9990         varying for TRUTH_*_EXPR.
9991         (extract_range_from_comparison): Fall back to truthvalue instead of
9992         varying.
9993         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
9994         if all visited PHI values were constant.
9995
9996 2007-01-08  Jan Hubicka  <jh@suse.cz>
9997
9998         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
9999         (cgraph_analyze_function): break out from ...
10000         (cgraph_finalize_compilation_unit): ... here.
10001         (cgraph_expand_function): Remove forgoten commented out line.
10002         (cgraph_optimize): Analyze functions.
10003
10004 2007-01-08  Jan Hubicka  <jh@suse.cz>
10005
10006         * tree-pas.h (TODO_remove_function): New flag.
10007         (TODO_update*): Renumber.
10008         (pass_ipa_increase_alignment,
10009         pass_ipa_function_and_variable_visibility): New passes.
10010         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
10011         (cgraph_function_and_variable_visibility): Move to ipa.c
10012         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
10013         cgraph_increase_alignment.
10014         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
10015         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
10016         calling tree-inline.
10017         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
10018         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
10019         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
10020         (gate_increase_alignment): New function.
10021         (pass_ipa_increase_alignment): New pass.
10022         * ipa.c: Inline tree-pass.h and timevar.h
10023         (function_and_variable_visibility): Move here from cgraphunit.c
10024         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
10025         * passes.c (init_optimization_passes): Add the two new passes.
10026         (execute_todo): Handle cgraph_remove_functions.
10027
10028 2007-01-08  Nick Clifton  <nickc@redhat.com>
10029
10030         * config/frv/predicates.md (reg_or_0_operand): Accept
10031         CONST_DOUBLEs.
10032
10033 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
10034
10035         * config/bfin/rtems.h, config/bfin/t-rtems: New.
10036         * config.gcc: Add bfin*-rtems*.
10037
10038 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
10039
10040         * c.opt: Add -flax-vector-conversions.
10041         * c-typeck.c (convert_for_assignment): Pass flag to
10042         vector_types_convertible_p to allow emission of note.
10043         (digest_init): Likewise.
10044         * c-opts.c: Handle -flax-vector-conversions.
10045         * c-common.c (flag_lax_vector_conversions): New.
10046         (vector_types_convertible_p): Unless -flax-vector conversions
10047         has been passed, disallow conversions between vectors with
10048         differing numbers of subparts and/or element types.  If such
10049         a conversion is disallowed, possibly emit a note on the first
10050         occasion only to inform the user of -flax-vector-conversions.
10051         The new last argument specifies this.
10052         * c-common.h (flag_lax_vector_conversions): New.
10053         (vector_types_convertible_p): Add extra argument.
10054         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
10055         char_type_node for V*QI type vectors.
10056         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
10057         Update to satisfy new typechecking rules.
10058         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
10059         C and C++ variants.
10060         * doc/invoke.texi (C Dialect Options): Document
10061         -flax-vector-conversions.
10062
10063 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
10064
10065         PR tree-optimization/29877
10066         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
10067         a register variable on the RHS to not be replaceable.
10068
10069 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
10070         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
10071         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
10072         const_simm15, const_pow2, const_npow2): Added.
10073         * config/score/misc.md (insv, extv, extzv, movmemsi,
10074         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
10075         * config/score/score.c (score_address_cost, score_select_cc_mode):
10076         Added.
10077         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
10078         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
10079         Update score_print_operand.
10080         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
10081         Adjust register allocate order and update some macro define.
10082         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
10083         mdx_block_move_straight, mdx_block_move_loop_head,
10084         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
10085         mdx_block_move): Added.
10086         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
10087         mdp_limm): Updated and fix some bug and typo.
10088         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
10089         (movsf, movdf, doloop_end): Added.
10090
10091 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
10092
10093         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
10094         config/arm/thumb2.md: Fix comment typos.
10095         * doc/extend.texi: Fix a typo.
10096
10097 2007-01-07  Eric Christopher  <echristo@apple.com>
10098
10099         * configure.ac: Check for __stack_chk_fail for darwin.
10100         * configure: Regenerate.
10101
10102 2007-01-07  Richard Guenther  <rguenther@suse.de>
10103
10104         * tree-vrp.c (extract_range_from_assert): CSE calls to
10105         compare_values where possible.
10106         (extract_range_from_unary_expr): Likewise.
10107
10108 2007-01-07  Anatoly Sokolov <aesok@post.ru>
10109
10110         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
10111         * config/avr/avr.c (call_insn_operand): Delete function.
10112         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
10113         instead of register number. Use predicates.
10114         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
10115         call_insn_operand): Add.
10116
10117 2007-01-06  Jan Hubicka  <jh@suse.cz>
10118
10119         * tree-pass.h (pass_build_cgraph_edges): Declare.
10120         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
10121         (visited_nodes): Remove.
10122         (cgraph_create_edges): Move to cgraphbuild.c; rename to
10123         build_cgrpah_edges; make visited_nodes local.
10124         (cgraph_process_new_functions): DO not call initialize_inline_failed.
10125         (record_references_in_initializer): Move to cgraphbuild.c
10126         (initialize_inline_failed, rebuild_cgraph_edges,
10127         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
10128         (verify_cgraph_node): Make visited_nodes local.
10129         (cgraph_analyze_function): Do not call cgraph_create_edges and
10130         initialize_inline_failed.
10131         (cgraph_expand_function): Do not call cgraph_lower_function;
10132         assert that function is already lowered.
10133         * Makefile.in (cgraphbuild.o): New.
10134         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
10135         at the end of lowering passes.
10136
10137 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
10138
10139         * ifcvt.c (cond_move_convert_if_block): New function, code
10140         factored out from...
10141         (cond_move_process_if_block): ...here.  Call the new function
10142         on the THEN and ELSE blocks.
10143         (merge_if_block): Do not copy global_live_at_end, merge_blocks
10144         already takes care of this.
10145
10146 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10147
10148         PR c/19978
10149         * tree.h (TREE_OVERFLOW_P): New.
10150         * c-typeck.c (parser_build_unary_op): Warn only if result
10151         overflowed and operands did not.
10152         (parser_build_binary_op): Likewise.
10153         (convert_for_assignment): Remove redundant overflow_warning.
10154         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
10155
10156 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10157
10158         * c-typeck.c (store_init_value): Split over two lines to follow
10159         the GNU coding style.
10160
10161 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
10162
10163         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
10164         __GXX_EXPERIMENTAL_CXX0X__.
10165         * doc/cpp.texi: Same.
10166
10167 2007-01-05  Richard Guenther  <rguenther@suse.de>
10168
10169         PR middle-end/27826
10170         * tree.c (get_narrower): Do not construct COMPONENT_REFs
10171         with mismatched types.  Instead explicitly build a
10172         conversion NOP_EXPR.
10173
10174 2007-01-05  Ian Lance Taylor  <iant@google.com>
10175
10176         * c-common.c (decl_with_nonnull_addr_p): New function.
10177         (c_common_truthvalue_conversion): Call it.
10178         * c-typeck.c (build_binary_op): Likewise.
10179         * c-common.h (decl_with_nonnull_addr_p): Declare.
10180
10181 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
10182
10183         PR c/30360
10184         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
10185         denom against 0.0.
10186
10187 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
10188
10189         * doc/install.texi (Final install): Document the fact that
10190         the GNAT runtime should not be stripped.
10191
10192 2007-01-04  Jan Hubicka  <jh@suse.cz>
10193
10194         * tree-inline.c (fold_marked_statements): Update operand caches
10195         and EH after folding
10196
10197 2007-01-04  Ian Lance Taylor  <iant@google.com>
10198
10199         * c-common.c (check_function_nonnull): Whitespace fix.
10200
10201 2007-01-04  Jan Hubicka  <jh@suse.cz>
10202
10203         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
10204         comitted older version of patch.
10205         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
10206         function, celanup cfg and collect garbage.
10207
10208 2007-01-04  Mike Stump  <mrs@apple.com>
10209
10210         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
10211         (clean): Likewise.
10212
10213 2007-01-04  Eric Christopher  <echristo@apple.com>
10214
10215         * libgcc2.c (__bswapsi2): Use SItype.
10216         (__bswapdi2): Use DItype.
10217         * libgcc2.h: Update for above.
10218
10219 2007-01-04  Paul Brook  <paul@codesourcery.com>
10220
10221         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
10222         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
10223         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
10224         umulsidi3, umulsidi3adddi, smulsi3_highpart,
10225         umulsi3_highpart): Make conditional on !arm_arch6.
10226         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
10227         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
10228         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
10229         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
10230         umulsi3_highpart_v6): New insns.
10231
10232 2007-01-04  Roger Sayle  <roger@eyesopen.com>
10233
10234         * fold-const.c (fold_convert): When casting an expression to void,
10235         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
10236         have a type.  Instead of attempting to build a NOP_EXPR, return
10237         these "special" trees directly.
10238
10239 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
10240
10241         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
10242         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
10243         rs6000_cost->fp not 0 as adjustment for outer NEG.
10244
10245 2007-01-04  Jan Hubicka  <jh@suse.cz>
10246
10247         * cgraph.c (cgraph_release_function_body): New function.
10248         (cgraph_remove_node): Use it.
10249         * cgraph.h (cgraph_release_function_body): Declare.
10250         * cgraphunit.c (cgraph_expand_function): Use it.
10251         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
10252         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
10253         is initialized and while compilation of other function is running.
10254         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
10255         statement CFG annotations from here to ...
10256         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
10257
10258 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
10259
10260         * cfgloop.h (enum li_flags): Make the constants powers of two.
10261
10262 2007-01-04  Jan Hubicka  <jh@suse.cz>
10263
10264         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
10265         set.
10266         (fold_marked_statements): New function.
10267         (optimize_inline_calls, tree_function_versioning): Fold new statements.
10268         * tree-inline.h (copy_body_data): Add statements_to_fold.
10269
10270 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
10271
10272         * config.gcc: Mention libgcc/config.host.
10273         * Makefile.in: Update comments mentioning libgcc.
10274         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
10275         (all.cross, start.encap, rest.encap, rest.cross): Update
10276         dependencies for libgcc move.
10277         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
10278         (clean-target, clean-target-libgcc): Delete.
10279         (srcdirify, GCC_EXTRA_PARTS): New macros.
10280         (libgcc-support, libgcc.mvars): New rules.
10281         (distclean): Remove mention of mklibgcc.
10282         (install): Don't reference INSTALL_LIBGCC.
10283         (install-common): Don't reference EXTRA_PARTS.
10284         (install-libgcc, install-multilib): Delete rules.
10285         * mklibgcc.in: Delete file.
10286         * doc/configfiles.texi: Don't mention mklibgcc.
10287
10288         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
10289         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
10290         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
10291         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
10292         (mklibgcc, ldblspecs): Likewise.
10293
10294         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
10295         (posixpre.def): Use $(T).
10296         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
10297         (SHLIB_SRC, SHLIB_INSTALL): Delete.
10298         (SHLIB_LINK): Make dummy.
10299         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
10300
10301         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
10302
10303         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
10304         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
10305         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
10306         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
10307
10308         * configure.ac (all_outputs): Remove mklibgcc.
10309         * configure: Regenerated.
10310
10311 2007-01-03  Josh Conner  <jconner@apple.com>
10312
10313         PR middle-end/29683
10314         * calls.c (compute_argument_addresses): Set stack and stack_slot
10315         for partial args, too.
10316         (store_one_arg): Use locate.size.constant for the size when
10317         generating a save_area.
10318
10319 2007-01-03  Robert Kennedy <jimbob@google.com>
10320
10321         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
10322         whose definitions are deleted due to basic block merging.
10323
10324 2007-01-03  Paul Brook  <paul@codesourcery.com>
10325
10326         PR target/16634
10327         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
10328         functions.
10329         (use_return_insn): Return 0 for Thumb interrupt functions.
10330         (print_multi_reg): Add rfe argument for IRQ returns.
10331         (arm_output_epilogue): Pop interrupt return address directly into PC.
10332         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
10333
10334 2007-01-03  Paul Brook  <paul@codesourcery.com>
10335
10336         Merge from sourcerygxx-4_1.
10337         * config/arm/thumb2.md: New file.
10338         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
10339         Thumb-2.
10340         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
10341         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
10342         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
10343         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
10344         tables.
10345         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
10346         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
10347         comptibility.
10348         * config/arm/ieee754-sf.S: Ditto.
10349         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
10350         (thumb1_base_register_rtx_p): ... to this.
10351         (thumb_index_register_rtx_p): Rename...
10352         (thumb1_index_register_rtx_p): ... to this.
10353         (thumb_output_function_prologue): Rename...
10354         (thumb1_output_function_prologue): ... to this.
10355         (thumb_legitimate_address_p): Rename...
10356         (thumb1_legitimate_address_p): ... to this.
10357         (thumb_rtx_costs): Rename...
10358         (thumb1_rtx_costs): ... to this.
10359         (thumb_compute_save_reg_mask): Rename...
10360         (thumb1_compute_save_reg_mask): ... to this.
10361         (thumb_final_prescan_insn): Rename...
10362         (thumb1_final_prescan_insn): ... to this.
10363         (thumb_expand_epilogue): Rename...
10364         (thumb1_expand_epilogue): ... to this.
10365         (arm_unwind_emit_stm): Rename...
10366         (arm_unwind_emit_sequence): ... to this.
10367         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
10368         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
10369         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
10370         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
10371         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
10372         thumb2_output_casesi): New functions.
10373         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
10374         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
10375         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
10376         THUMB2_WORK_REGS): Define.
10377         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
10378         arm_condexec_mask, arm_condexec_masklen)): New variables.
10379         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
10380         (arm_override_options): Check new CPU capabilities.
10381         Set new architecture flag variables.
10382         (arm_isr_value): Handle v7m interrupt functions.
10383         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
10384         Thumb-2.
10385         (const_ok_for_arm): Handle Thumb-2 constants.
10386         (arm_gen_constant): Ditto.  Use movw when available.
10387         (arm_function_ok_for_sibcall): Return false for v7m interrupt
10388         functions.
10389         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
10390         (thumb_find_work_register, arm_load_pic_register,
10391         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
10392         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
10393         print_multi_reg, output_mov_long_double_fpa_from_arm,
10394         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
10395         output_mov_double_fpa_from_arm, output_move_double,
10396         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
10397         output_return_instruction, arm_output_function_prologue,
10398         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
10399         arm_output_mi_thunk, thumb_set_return_address): Ditto.
10400         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
10401         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
10402         (arithmetic_instr, shift_op): Use arm_shift_nmem.
10403         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
10404         '!' and 'L'.
10405         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
10406         (thumb_expand_prologue): Use thumb_set_frame_pointer.
10407         (arm_file_start): Output directive for unified syntax.
10408         (arm_unwind_emit_set): Handle stack alignment instruction.
10409         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
10410         Add v6t2, v7, v7a, v7r and v7m.
10411         (RETLDM): Add Thumb-2 code.
10412         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
10413         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
10414         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
10415         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
10416         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
10417         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
10418         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
10419         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
10420         ADJUST_INSN_LENGTH): Define.
10421         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
10422         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
10423         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
10424         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
10425         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
10426         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
10427         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
10428         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
10429         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
10430         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
10431         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
10432         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
10433         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
10434         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
10435         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
10436         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
10437         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
10438         cortex-m3.
10439         * config/arm/arm-tune.md: Regenerate.
10440         * config/arm/arm-protos.h: Update prototypes.
10441         * config/arm/vfp.md: Enable patterns for Thumb-2.
10442         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
10443         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
10444         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
10445         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
10446         * config/arm/libunwind.S: Add Thumb-2 code.
10447         * config/arm/constraints.md: Update include Thumb-2.
10448         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
10449         * config/arm/ieee754-df.S: Ditto.
10450         * config/arm/bpabi.S: Ditto.
10451         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
10452         * config/arm/predicates.md (low_register_operand,
10453         low_reg_or_int_operand, thumb_16bit_operator): New.
10454         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
10455         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
10456         * config/arm/t-arm-elf: Add armv7 multilib.
10457         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
10458         Include thumb2.md.
10459         (UNSPEC_STACK_ALIGN, ce_count): New.
10460         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
10461         arm_zero_extendsidi2, arm_zero_extendqidi2): New
10462         insns/expanders.
10463         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
10464         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
10465         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
10466         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
10467         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
10468         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
10469         insns.
10470         * doc/extend.texi: Document ARMv7-M interrupt functions.
10471         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
10472
10473 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
10474
10475         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
10476         (struct _Unwind_Context): Rename args_size to flags, remove
10477         signal_frame field, add a new args_size field and version field.
10478         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
10479         _Unwind_IsExtendedContext): New inline functions.
10480         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10481         Assume by_value array is only present if _Unwind_IsExtendedContext.
10482         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
10483         _Unwind_IsSignalFrame.
10484         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
10485         (uw_update_context_1): Use _Unwind_SetSignalFrame.
10486         (uw_init_context_1): Initialize context->flags to
10487         EXTENDED_CONTEXT_BIT.
10488         * config/rs6000/linux-unwind.h (frob_update_context): Use
10489         _Unwind_SetSignalFrame.
10490
10491 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10492
10493         PR middle-end/30353
10494         * gimplify.c (gimplify_modify_expr_complex_part): Move below
10495         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
10496         the value.
10497
10498 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
10499
10500         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
10501         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
10502         RET, AT_SP): Remove.
10503         * config/i386/i386.md (*sse_prologue_save_insn): Use return
10504         instead of RET.
10505
10506         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10507         * cfgbuild.c (find_basic_blocks): Likewise.
10508         * cfgrtl.c (rtl_create_basic_block): Likewise.
10509         * function.c (temp_slots_at_level): Likewise.
10510         * reg-stack.c (stack_regs_mentioned): Likewise.
10511         * regclass.c (allocate_reg_info): Likewise.
10512         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10513         set_bb_for_stmt, move_block_to_fn): Likewise.
10514         * tree-complex.c (tree_lower_complex): Likewise.
10515         * vec.h (VEC_safe_grow_cleared): New.
10516
10517         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
10518
10519 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
10520
10521         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
10522         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
10523         to loop_version.
10524         * cfgloopmanip.c (scale_loop_frequencies): Export.
10525         (loopify): Scale the frequencies by prescribed coefficients.
10526         (set_zero_probability): New function.
10527         (duplicate_loop_to_header_edge): Improve updating of frequencies.
10528         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
10529         and frequencies according to arguments.
10530         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
10531         correctly.
10532         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
10533         * modulo-sched.c (sms_schedule): Set probabilities for entering
10534         versioned loop correctly.
10535         * tree-vect-transform.c (vect_transform_loop): Ditto.
10536         * cfgloop.h (loopify, loop_version): Declaration changed.
10537         (scale_loop_frequencies): Declared.
10538
10539 2007-01-02  Jan Hubicka  <jh@suse.cz>
10540
10541         * cgraph.c: Include tree-flow.h
10542         (cgraph_add_new-function): Handle IPA_SSA mode; execute
10543         early_local_passes.
10544         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
10545         * tree-pass.h (pass_all_early_optimizations): Declare.
10546         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
10547         early_local_passes.
10548         (cgraph_analyze_function): Do early_local_passes.
10549         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
10550         Do not add referenced vars.
10551         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
10552         SSA form.
10553         (gate_all_early_local_passes): New gate.
10554         (pass_early_local_passes): Use new gate.
10555         (execute_early_local_optimizations): New functions.
10556         (gate_all_early_optimizations): New gate.
10557         (pass_all_early_optimizations): New pass.
10558         (execute_free_datastructures): Free SSA only when initialized.
10559         (gate_init_datastructures): Init only when optimizing.
10560         (tree_lowering_passes): Do early local passes when called late.
10561         * tree-profile.c (do_tree_profiling): Don't profile functions added
10562         late.
10563         (do_early_tree_profiling, pass_early_tree_profile): Kill.
10564         * tree-cfg.c (update_modified_stmts): Do not update when operands are
10565         not active.
10566         * passes.c (init_optimizations_passes): Reorder so we go into SSA
10567         during early_local_passes.
10568         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
10569
10570
10571 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
10572
10573         * Makefile.in: Update copyright year.
10574
10575 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
10576
10577         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
10578         in $(lang_checks) and check-consistency targets.
10579
10580 2007-01-02  Jan Hubicka  <jh@suse.cz>
10581
10582         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
10583         Do not add referenced vars.
10584         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
10585         are not active.
10586         * passes.c (init_optimization_passes): Put mudflap_2 after
10587         free_datastructures.
10588
10589 2007-01-02  Jan Hubicka  <jh@suse.cz>
10590
10591         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
10592         Set NOTHROW flag on call statements proved to be nothrow.
10593         Update statement of local calls so new pure/const functions are
10594         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
10595         goto receivers.
10596         (tree_rest_of_compilation): Register hooks and initialize bitmap
10597         early. Do not set after_inlining flag.
10598
10599 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
10600
10601         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
10602         HOST_BITS_PER_LONGLONG
10603
10604 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10605
10606         PR c/19977
10607         * c-typeck.c (store_init_value): Don't emit pedantic overflow
10608         warning for non-static initializers.
10609
10610 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
10611
10612         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
10613         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
10614         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
10615         Always use set_unique_reg_note to add REG_EQUAL notes.
10616
10617 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10618
10619         Revert:
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  Ian Lance Taylor  <iant@google.com>
10634
10635         * c-common.c (c_common_truthvalue_conversion): When warning about
10636         using an assignment as a truth value, set TREE_NO_WARNING.
10637
10638 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10639
10640         PR middle-end/7651
10641         * c.opt (Wold-style-declaration): New.
10642         * doc/invoke.texi (C-only Warning Options): New.
10643         (Wold-style-declaration): Document it.
10644         (Wextra): Enabled by -Wextra.
10645         * c-opts.c (c_common_post_options): Enabled by -Wextra.
10646         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
10647         -Wold-style-declaration.
10648
10649 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10650
10651         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10652         * cfgbuild.c (find_basic_blocks): Likewise.
10653         * cfgrtl.c (rtl_create_basic_block): Likewise.
10654         * function.c (temp_slots_at_level): Likewise.
10655         * reg-stack.c (stack_regs_mentioned): Likewise.
10656         * regclass.c (allocate_reg_info): Likewise.
10657         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10658         set_bb_for_stmt, move_block_to_fn): Likewise.
10659         * tree-complex.c (tree_lower_complex): Likewise.
10660         * vec.h (VEC_safe_grow_cleared): New.
10661
10662 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
10663
10664         * c-common.c (c_common_nodes_and_builtins): Since variants of
10665         void_type_node get built before it is given a name, we need to
10666         give those variants the name, too.
10667         (complete_array_type): We need to work with the canonical main
10668         type of the array, from which we will build the qualified version.
10669         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
10670         * print-tree.c (print_node): Display canonical type information
10671         for each type.
10672         * stor-layout.c (layout_type): When we don't know the
10673         alignment of a type for which we're building an array, we end up
10674         guessing wrong, so make the type require structural equality.
10675         * tree.c (make_node_stat): When we build a new type, it is its
10676         own canonical type.
10677         (build_type_attribute_qual_variant): When building an attribute
10678         variant, its canonical type is the non-attribute variant. However,
10679         if the attributes are target-dependent and they differ, we need to
10680         use structural equality checks for this type.
10681         (build_qualified_type): A qualified type is not equivalent to its
10682         unqualified variant; set the canonical type appropriately.
10683         (build_distinct_type_copy): When building a distinct type from
10684         another type, the new type is its own canonical type.
10685         (build_variant_type_copy): When building a new type variant, we
10686         assume that it is equivalent to the original type.
10687         (build_pointer_type_for_mode): When building a pointer type, also
10688         build a canonical type pointer.
10689         (build_reference_type_for_mode): When building a reference type,
10690         also build a canonical type reference.
10691         (build_index_type): When we can't hash an index type (e.g.,
10692         because its maximum value is negative), the index type requires
10693         structural equality tests.
10694         (build_array_type): Build the canonical form of an array type.
10695         (build_function_type): Function types require structural equality,
10696         because they contain default arguments, attributes, etc.
10697         (build_method_type_directly): Ditto for method types.
10698         (build_offset_type): Build the canonical offset type.
10699         (build_complex_type): Build the canonical vector type.
10700         (make_vector_type): Build the canonical vector type.
10701         * tree.h (TYPE_CANONICAL): New.
10702         (TYPE_STRUCTURAL_EQUALITY_P): New.
10703         (SET_TYPE_STRUCTURAL_EQUALITY): New.
10704         (struct tree_type): Added "canonical" field.
10705         * params.h (VERIFY_CANONICAL_TYPES): New.
10706         * doc/c-tree.texi (TYPE_CANONICAL): Document.
10707         (TYPE_STRUCTURAL_EQUALITY_P): Document.
10708         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
10709         * doc/invoke.texi (verify-canonical-types): Document --param
10710         parameter for verifying canonical types.
10711
10712 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10713
10714         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
10715         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
10716         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
10717         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
10718         tm_file.
10719         * config/rs6000/e500.h: New.
10720         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
10721         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
10722         Remove.
10723         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
10724         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
10725         TARGET_E500_DOUBLE): Remove.
10726         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
10727         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
10728         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
10729         * config/rs6000/rs6000.c (rs6000_override_options): Use
10730         CHECK_E500_OPTIONS.
10731
10732 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10733
10734         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
10735         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
10736         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
10737         rs6000_emit_cmove): Don't check TARGET_E500.
10738         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
10739         sordered): Don't check TARGET_E500.
10740
10741 2007-01-01  Eric Christopher  <echristo@apple.com>
10742
10743         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
10744         HARD_REGISTER_NUM_P.
10745
10746 2007-01-01  Roger Sayle  <roger@eyesopen.com>
10747
10748         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
10749         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
10750         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
10751         eq/ne Y".
10752
10753 2007-01-01  Mike Stump  <mrs@apple.com>
10754
10755         * configure.ac: Remove support for building with Apple's gcc-3.1.
10756
10757 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10758
10759         PR middle-end/30311
10760         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
10761         REG is a hard register.  Do not modify REG before calling
10762         subreg_nregs.
10763         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
10764         multiple of the size of YMODE for certain lowpart cases.
10765
10766 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10767
10768         PR middle-end/30253
10769         * gimplify (voidify_wrapper_expr): Update for
10770         GIMPLE_MODIFY_STMT.
10771
10772 2007-01-01  Andreas Schwab  <schwab@suse.de>
10773
10774         PR target/29166
10775         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
10776         save of BR0 in extra_spill_size instead of spill_size.
10777         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
10778         area.
10779         (ia64_expand_epilogue): Restore BR0 from its new location.
10780
10781 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10782
10783         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
10784         Use a temporary variable if the left hand side is not a gimple
10785         register.
10786
10787 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10788
10789         * gimplify.c (gimplify_return_expr): Make the temporary variable
10790         for the return expression, a gimple register variable.
10791
10792 2007-01-01  Jan Hubicka  <jh@suse.cz>
10793
10794         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
10795         INSN_LIST.
10796
10797 2007-01-01  Mike Stump  <mrs@apple.com>
10798
10799         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
10800         .literal16.
10801         * config/darwin.c (machopic_select_rtx_section): Use
10802         HAVE_GAS_LITERAL16.
10803         (darwin_mergeable_constant_section): Likewise.
10804         * configure: Regenerate.
10805         * config.in: Regenerate.
10806
10807 2007-01-01  Jan Hubicka  <jh@suse.cz>
10808             Andrew Pinski  <pinskia@gmail.com>
10809
10810         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
10811         before starting IPA passes.