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1 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2
3         PR middle-end/31322
4         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
5         when a personality function is used.
6
7 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
8
9         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
10
11 2007-04-13  Mike Stump  <mrs@apple.com>
12
13         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
14         we can...
15         * config/darwin.opt (fapple-kext): Make C++ only.
16         * config/darwin.c (darwin_override_options): Remove code to ensure
17         -fapple-kext is given for C++ only.
18
19 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
20
21         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
22         * config/mips/mips.c (override_options): Call
23         SUBTARGET_OVERRIDE_OPTIONS, if defined.
24
25 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
26
27         * config/i386/i386.opt (msvr3-shlib): Removed.
28
29         * doc/invoke.texi: Remove -msvr3-shlib.
30
31 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
32
33         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
34         with "popcnt" instruction.
35
36 2007-04-13  Richard Guenther  <rguenther@suse.de>
37
38         PR tree-optimization/21258
39         * tree-vrp.c (compare_case_labels): New helper.
40         (find_switch_asserts): New function.
41         (find_assert_locations): Call it for SWITCH_EXPRs.
42
43 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
44
45         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
46         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
47         check is now implied in X87_FLOAT_MODE_P.
48         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
49         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
50         (fix_trunc<mode>_i386_fisttp): Ditto.
51         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
52         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
53         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
54         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
55         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
56         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
57         (unnamed_splitters): Ditto.
58         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
59         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
60         FIRST_SSE_REG for local functions when SSE math is enabled or
61         for functions with sseregparm attribute.
62         (standard_80387_constant_p): Return -1 if mode is not
63         X87_FLOAT_MODE_P.
64         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
65         (ix86_expand_compare): Ditto.
66         (ix86_expand_carry_flag_compare): Ditto.
67         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
68         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
69         DECIMAL_FLOAT_MODE_P.
70         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
71         of SCALAR_FLOAT_MODE_P.
72         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
73         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
74         checks before FLOAT_MODE_P.
75         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
76         before FLOAT_MODE_P.
77         [DIV]: Ditto.
78         [NEG]: Ditto.
79         [ABS]: Ditto.
80         [SQRT]: Ditto.
81         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
82
83 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
84             Charles Wilson  <libtool@cwilson.fastmail.fm>
85
86         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
87         (libgcc.mvars): Don't depend on them.
88         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
89         * exec-tool.in: New.
90
91 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
92
93         * doc/invoke.text (--help): Document --help=common.
94
95 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
96
97         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
98
99 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
100
101         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
102         * genemit.c (main): Emit #include "integrate.h".
103         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
104         (LOADGP_RTP): New mips_loadgp_style.
105         * config/mips/mips.h: Include config/vxworks-dummy.h.
106         (TARGET_RTP_PIC): New macro.
107         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
108         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
109         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
110         for TARGET_RTP_PIC.
111         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
112         -mvxworks-pic when using -mrtp and a PIC option.
113         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
114         for RTP PIC.
115         (mips_symbolic_constant_p, mips_symbolic_address_p)
116         (mips_symbol_insns): Handle SYMBOL_HALF.
117         (override_options): Warn about -G and -mrtp being used together.
118         Initialize mips_lo_relocs[SYMBOL_HALF].
119         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
120         (mips_emit_loadgp): Handle LOADGP_RTP.
121         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
122         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
123         (tablejump): Handle function-relative case table entries if
124         TARGET_RTP_PIC.
125         * config/mips/predicates.md (symbol_ref_operand): New predicate.
126
127 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
128
129         * config/mips/mips.md (load_call<mode>): Allow any general register.
130         destination.
131         (sibcall_value_internal, sibcall_value_multiple_internal)
132         (call_value_internal, call_value_split, call_value_multiple_internal)
133         (call_value_multiple_split): Remove constraints from operand 0.
134
135 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
136
137         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
138         rather than loadgp_noshared.
139         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
140         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
141         gen_loadgp.
142         * config/mips/mips.md (loadgp): Rename to...
143         (loadgp_newabi): ...this.
144         (loadgp_noshared): Rename to...
145         (loadgp_absolute): ...this.
146
147 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
148
149         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
150         false for locally-binding symbols.
151         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
152
153 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
154
155         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
156         (SYMBOL_GOT_PAGE_OFST): ...this.
157         (SYMBOL_GOT_GLOBAL): Rename to...
158         (SYMBOL_GOT_DISP): ...this.
159         (SYMBOL_GOTOFF_GLOBAL): Rename to...
160         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
161         * config/mips/mips.c (mips_global_symbol_p): New function.
162         (mips_symbol_binds_local_p): Likewise.
163         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
164         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
165         and mips_symbol_binds_local_p.
166         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
167         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
168         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
169         SYMBOL_GOTOFF_DISP.
170         (mips_ok_for_lazy_binding_p): New function.
171         (mips_load_call_address, mips_expand_call): Use it.
172         (mips_dangerous_for_la25_p): Likewise.
173         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
174         (*got_disp<mode>): Use got_disp_operand instead of
175         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
176         SYMBOL_GOTOFF_GLOBAL.
177         (*got_page<mode>): Use got_page_ofst_operand instead of
178         local_got_operand.
179         * config/mips/predicates.md (const_call_insn_operand): Use
180         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
181         (global_got_operand): Rename to...
182         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
183         SYMBOL_GOT_GLOBAL.
184         (local_got_operand): Rename to...
185         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
186         of SYMBOL_GOT_LOCAL.
187
188 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
189
190         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
191         TARGET_CALL_CLOBBERED_GP.
192         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
193         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
194         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
195         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
196         of TARGET_ABICALLS && !TARGET_NEWABI.
197         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
198         * config/mips/mips.c (mips_load_call_address): Check
199         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
200         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
201         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
202         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
203         TARGET_ABICALLS && TARGET_NEWABI.
204         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
205         TARGET_ABICALLS.
206         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
207         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
208         TARGET_ABICALLS && TARGET_NEWABI.
209         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
210         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
211         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
212         whether indirect calls must use $25.
213         (mips_extra_live_on_entry): Check TARGET_GOT instead of
214         TARGET_ABICALLS.
215         * config/mips/mips.md (jal_macro): Check flag_pic and
216         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
217         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
218         instead of TARGET_ABICALLS.
219         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
220         TARGET_ABICALLS && TARGET_OLDABI.
221         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
222         (sibcall): In the comment above the define_insn, mention
223         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
224         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
225         instead of TARGET_ABICALLS.
226
227 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
228
229         * doc/md.texi (Blackfin family constraints): Document PA and PB.
230         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
231         (MACFLAGS_MATCH_P): New macro.
232         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
233         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
234         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
235         the other MACFLAG constants.
236         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
237         (flag_machi): Tighten constraints.  Renumber some of the operands.
238         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
239         output template.
240         (flag_machi_parts_acconly): New pattern.
241         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
242         used.
243         (flag_macinit1hi): Tighten constraints.
244         (flag_mul_macv2hi_parts_acconly): New pattern.
245
246         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
247         Use a more efficient implementation.
248         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
249         inline sequences when not optimizing for size.
250
251         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
252         movhi_high2low): Delete, merge functionality into...
253         (packv2hi): ... this pattern.
254
255         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
256         * config/bfin/bfin.opt (msim): New option.
257         (mcpu=): New option.
258         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
259         (bfin_cpu_t): Typedef of enum bfin_cpu.
260         (bfin_cpu_type): New declaration.
261         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
262         -msim and -mcpu= options.
263         (LIB_SPEC): Likewise.
264         * config/bfin/bfin.c (bfin_cpu_type): Define.
265         (bfin_handle_option): Handle -mcpu= option.
266         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
267         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
268         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
269
270 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
271
272         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
273         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
274         (powerpc-wrs-vxworksae): Use ${tm_file}.
275         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
276         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
277         * config/i386/vx-common.h: New file.
278
279 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
280
281         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
282         of crt0.o%s.
283
284 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
285
286         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
287         ldxtr.
288
289 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
290
291         PR c++/31078
292         PR c++/31103
293         * c-common.c (c_build_qualified_type): Set canonical type
294         appropriately.  
295
296 2007-04-12  Richard Guenther  <rguenther@suse.de>
297
298         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
299         lower bound and element size if lower bound is not zero
300         or either of the ARRAY_REF operands is set.
301
302 2007-04-12  Richard Guenther  <rguenther@suse.de>
303
304         PR tree-optimization/24689
305         PR tree-optimization/31307
306         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
307         indices by value.
308         * gimplify.c (canonicalize_addr_expr): To be consistent with
309         gimplify_compound_lval only set operands two and three of
310         ARRAY_REFs if they are not gimple_min_invariant.  This makes
311         it never at this place.
312         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
313
314 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
315
316         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
317         null before emitting a .nsubspa directive.
318
319 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
320
321         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
322         need_to_partition_p if there are no memory statements in the
323         function.
324
325 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
326
327         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
328         (gcd_of_steps_may_divide_p): New function.
329         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
330
331 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
332
333         * reload.c (find_reloads_toplev, find_reloads_address,
334         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
335         not a pointer equality test, to decide if we need to call
336         push_reg_equiv_alt_mem.
337
338 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
339
340         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
341         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
342         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
343
344 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
345
346         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
347         vector to be positive.
348
349 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
350
351         PR 30735
352         PR 31090
353         * doc/invoke.texi: Document --params max-aliased-vops and
354         avg-aliased-vops.
355         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
356         debug_memory_partitions): Move to tree-flow.h
357         * params.h (AVG_ALIASED_VOPS): Define.
358         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
359         users.
360         (mp_info_t): Likewise.
361         (get_mem_sym_stats_for): New.
362         (set_memory_partition): Move from tree-flow-inline.h.
363         (mark_non_addressable): Only clear the set of symbols for the
364         partition if it exists.
365         (dump_memory_partitions): Move from tree-ssa-operands.c
366         (debug_memory_partitions): Likewise.
367         (need_to_partition_p): New.
368         (dump_mem_ref_stats): New.
369         (debug_mem_ref_stats): New.
370         (dump_mem_sym_stats): New.
371         (debug_mem_sym_stats): New.
372         (update_mem_sym_stats_from_stmt): New.
373         (compare_mp_info_entries): New.
374         (mp_info_cmp): Call it.
375         (sort_mp_info): Change argument to a list of mem_sym_stats_t
376         objects.
377         (get_mpt_for): Move from tree-ssa-operands.c.
378         (find_partition_for): New.
379         (create_partition_for): Remove.
380         (estimate_vop_reduction): New.
381         (update_reference_counts): New.
382         (build_mp_info): New.
383         (compute_memory_partitions): Refactor.
384         Document new heuristic.
385         Call build_mp_info, update_reference_counts,
386         find_partition_for and estimate_vop_reduction.
387         (compute_may_aliases): Populate virtual operands before
388         calling debugging dumps.
389         (delete_mem_sym_stats): New.
390         (delete_mem_ref_stats): New.
391         (init_mem_ref_stats): New.
392         (init_alias_info): Call it.
393         (maybe_create_global_var): Remove alias_info argument.
394         Get number of call sites and number of pure/const call sites
395         from gimple_mem_ref_stats().
396         (dump_alias_info): Call dump_memory_partitions first.
397         (dump_points_to_info_for): Show how many times a pointer has
398         been dereferenced.
399         * opts.c (decode_options): For -O2 set --param
400         max-aliased-vops to 500.
401         For -O3 set --param max-aliased-vops to 1000 and --param
402         avg-aliased-vops to 3.
403         * fortran/options.c (gfc_init_options): Remove assignment to
404         MAX_ALIASED_VOPS.
405         * tree-flow-inline.h (gimple_mem_ref_stats): New.
406         * tree-dfa.c (dump_variable): Dump memory reference
407         statistics.
408         Dump NO_ALIAS* settings.
409         (referenced_var_lookup): Tidy.
410         (mem_sym_stats): New.
411         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
412         and ORIG are different SSA names for a memory partition.
413         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
414         * tree-flow.h (struct mem_sym_stats_d): Define.
415         (mem_sym_stats_t): Define.
416         (struct mem_ref_stats_d): Define.
417         (struct gimple_df): Add field mem_ref_stats.
418         (enum noalias_state): Define.
419         (struct var_ann_d): Add bitfield noalias_state.
420         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
421         debug_mem_ref_stats, debug_memory_partitions,
422         debug_mem_sym_stats): Declare.
423         * tree-ssa-structalias.c (update_alias_info): Update call
424         sites, pure/const call sites and asm sites in structure
425         returned by gimple_mem_ref_stats.
426         Remove local variable IS_POTENTIAL_DEREF.
427         Increase NUM_DEREFS if the memory expression is a potential
428         dereference.
429         Call update_mem_sym_stats_from_stmt.
430         If the memory references memory, call
431         update_mem_sym_stats_from_stmt for all the direct memory
432         symbol references found.
433         (intra_create_variable_infos): Set noalias_state field for
434         pointer arguments according to the value of
435         flag_argument_noalias.
436         * tree-ssa-structalias.h (struct alias_info): Remove fields
437         num_calls_found and num_pure_const_calls_found.
438         (update_mem_sym_stats_from_stmt): Declare.
439         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
440         Set default value to 100.
441         (PARAM_AVG_ALIASED_VOPS): Define.
442
443 2007-04-11  Richard Guenther  <rguenther@suse.de>
444
445         PR middle-end/31530
446         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
447         a * -b + c as c - a * b if we honor sign dependent rounding.
448
449 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
450
451         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
452         bfin_expand_strmov.
453         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
454         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
455         variables.
456         (initialize_trampoline): Don't use old-style function definition.
457         (bfin_secondary_reload): Mark IN_P argument as unused.
458
459 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
460
461         PR tree-optimization/31343
462         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
463         (build_polynomial_chrec): Return a scalar when the evolution is zero.
464         * testsuite/gcc.dg/vect/pr31343.c: New.
465
466 2007-04-10  Eric Christopher  <echristo@apple.com>
467
468         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
469         * config/i386/i386.md (*cmpfp0): Use.
470         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
471         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
472         (fix_trunc<mode>_i386_fisttp): Ditto.
473         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
474         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
475         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
476         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
477         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
478         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
479         (unnamed_splitters): Ditto.
480         * config/i386/i386.c (output_fix_trunc): Assert that
481         we're not being passed a TFmode operand.
482
483 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
484
485         PR tree-optimization/31526
486         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
487         n_basic_blocks to find newly added blocks.
488
489 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
490
491         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
492         alternative.
493         (fix_trunc<mode>si_sse): Ditto.
494         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
495         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
496         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
497         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
498         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
499         expander using SSEMODEF mode macro.
500         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
501         expander using SSEMODEF mode macro.
502         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
503         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
504         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
505         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
506         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
507         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
508         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
509         Macroize insn using X87MODEF mode macro.
510
511 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
512
513         * config/i386/sse.md (sse2_pinsrw): Removed.
514         (sse2_pextrw): Renamed to ...
515         (*sse2_pextrw): This.
516
517 2007-04-09  Jan Hubicka  <jh@suse.cz>
518
519         PR target/27869
520         * config/i386/sse.md
521         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
522         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
523         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
524         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
525
526 2007-04-09  Jan Hubicka  <jh@suse.cz>
527
528         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
529         multiple fields of union.
530
531 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
532
533         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
534         (create_preheaders): Check that loops are available.
535         (fix_loop_structure): Clean up, improve comments.
536         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
537         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
538         state flags.
539         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
540         * predict.c (tree_estimate_probability): Do not call
541         calculate_dominance_info.  Call create_preheaders.
542         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
543         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
544         flags.
545         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
546         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
547         * tree-cfg.c (tree_split_edge): Make an assert more precise.
548         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
549         arguments.
550
551 2007-04-08  Jan Hubicka  <jh@suse.cz>
552
553         * tree.h (maybe_fold_offset_to_component_ref): Declare.
554         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
555         * fold-const.c (fold_unary): Use it.
556
557 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
558
559         * varasm.c (assemble_variable): Remove call to
560         lang_hooks.decls.prepare_assemble_variable.
561         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
562         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
563         * langhooks.h (lang_hooks_for_decls): Remove
564         prepare_assemble_variable.
565
566 2007-04-08  Mike Stump  <mrs@apple.com>
567
568         * config/i386/i386.c: Use inc/dec on Core2.
569
570 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
571
572         * langhooks.c (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.
575         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
576         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
577         end_inlining hooks.
578         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
579         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
580         lhd_tree_inlining_end_inlining): Remove prototypes.
581         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
582         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
583         LANG_HOOKS_TREE_INLINING_START_INLINING,
584         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
585
586         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
587         not set it.
588
589 2007-04-08  Anatoly Sokolov <aesok@post.ru>
590
591         PR target/29932
592         * config/avr/predicates.md (io_address_operand): Delete predicate.
593         (low_io_address_operand): Don't use 'mode' argument.
594         (higth_io_address_operand): Rename ...
595         (high_io_address_operand): ... to this. Don't use 'mode' argument.
596         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
597         for above change.
598
599 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
600
601         Revert change removing staticp.
602
603 2007-04-07  Anatoly Sokolov <aesok@post.ru>
604
605         PR target/30289
606         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
607         earlyclobber.
608
609 2007-04-07  Bruce Korb  <bkorb@gnu.org>
610
611         * c.opt: Add -Wformat-contains-nul.
612         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
613           -Wformat setting.
614         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
615         the NUL byte warning.
616
617 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
618
619         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
620
621 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
622
623         * tree.c (staticp): No longer use staticp langhook.
624         * langhooks.c (lhd_staticp): Removed.
625         * langhooks.h (struct lang_hooks): Remove staticp.
626         * c-common.c (c_staticp): Remove.
627         * c-common.h (c_staticp): Ditto.
628         * langhooks-defs.h (lhd_staticp): Ditto.
629         (LHD_HOOKS_STATICP): Ditto
630         * tree.h (gcc_assert_lowered): New macro.
631
632 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
633
634         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
635         argument "reliable".
636         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
637         Add argument "reliable".  Propagate it through calls.
638         (infer_loop_bounds_from_undefined):  Derive number of iterations
639         estimates from references in blocks that do not dominate loop latch.
640         (gcov_type_to_double_int): New function.
641         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
642         and expected_loop_iterations_unbounded.
643         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
644         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
645         * tree-data-ref.c (estimated_loop_iterations): Export.
646         (get_references_in_stmt): Fix -- do not return addresses of local
647         objects.
648         * cfgloop.h (expected_loop_iterations_unbounded,
649         estimated_loop_iterations): Declare.
650
651 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
652
653         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
654
655 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
656
657         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
658         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
659         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
660         Use output_387_reg_move().
661         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
662         expander using X87MODEF12 mode macro.
663         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
664         choosing register preferences.  Use output_387_reg_move().
665         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
666         instead of "x".  Use output_387_reg_move().
667         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
668         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
669         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
670         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
671         Use output_387_reg_move().
672         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
673         mode macro.
674         (*truncxf?f_i387 splitter): Ditto.
675
676 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
677
678         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
679         LANG_HOOKS_SAFE_FROM_P.
680         * expr.c (safe_from_p): Remove langhook call.
681         * langhooks.h (lang_hooks): Remove safe_from_p.
682         (lhd_safe_from_p): Remove prototype.
683         * langhooks.c (lhd_safe_from_p): Remove.
684
685 2007-04-06  Jan Hubicka  <jh@suse.cz>
686
687         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
688         functions.
689
690 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
691
692         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
693         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
694         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
695         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
696         alternative.
697         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
698         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
699
700 2007-04-05  Richard Henderson  <rth@redhat.com>
701
702         * config/alpha/alpha.c (print_operand) [+]: Remove.
703         (alpha_end_function): Print nop if call at end of function.
704         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
705         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
706         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
707         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
708         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
709         the call pattern. Update peepholes to match.
710
711 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
712
713         * doc/extend.texi (Other Builtins): Add decimal float variants
714         of signbit.
715         * builtins.def: Ditto.
716         * builtins.c (expand_builtin): Ditto.
717
718 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
719             H.J. Lu  <hongjiu.lu@intel.com>
720
721         PR target/31478
722         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
723         of V8HImode when calling ix86_binary_operator_ok.
724         (sse2_pmaddwd): Call ix86_binary_operator_ok.
725         (sdot_prodv8hi): Operands 1 and 2 must be register.
726
727 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
728
729         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
730         initialize align to silence bogus warning.
731
732 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
733
734         PR middle-end/22156
735         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
736         all_no_warning.
737         (struct sra_walk_fns): Remove use_all parameter from use.
738         (sra_hash_tree): Handle BIT_FIELD_REFs.
739         (sra_elt_hash): Don't hash bitfld blocks.
740         (sra_elt_eq): Skip them in parent compares as well.  Handle
741         BIT_FIELD_REFs.
742         (sra_walk_expr): Don't maintain or pass down use_all_p.
743         (scan_use): Remove use_all parameter.
744         (scalarize_use): Likewise.  Re-expand assignment to
745         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
746         output, and re-scalarize after output.  Don't mark anything
747         for no warning.
748         (scalarize_ldst): Adjust.
749         (scalarize_walk_gimple_modify_statement): Likewise.
750         (build_element_name_1): Handle BIT_FIELD_REFs.
751         (instantiate_element): Don't warn for any element whose parent
752         is used as a whole.
753         (instantiate_missing_elements_1): Return the sra_elt.
754         (canon_type_for_field): New.
755         (try_instantiate_multiple_fields): New.
756         (instantiate_missing_elemnts): Use them.
757         (mark_no_warning): Removed.
758         (generate_one_element_ref): Handle BIT_FIELD_REFs.
759         (REPLDUP, sra_build_elt_assignment): New.
760         (generate_copy_inout): Use them.
761         (generate_element_copy): Likewise.  Handle bitfld differences.
762         (generate_element_zero): Don't recurse for blocks.  Use
763         sra_build_elt_assignment.
764         (generate_one_element_int): Take elt instead of var.  Use
765         sra_build_elt_assignment.
766         (generate_element_init_1): Adjust.
767         (scalarize_use, scalarize_copy): Use REPLDUP.
768         (scalarize_ldst): Move assert before dereference.
769         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
770
771 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
772
773         * regmove.c: Fix unused variable warnings due to previous commit.
774
775 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
776
777         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
778         (regmove_bb_head): Remove.
779         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
780         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
781         problems with fixup_match_1.
782         Don't initialize/free regmove_bb_head.
783
784         (reg_is_remote_constant_p): If an insn is in the same basic block
785         but not before INSN, consider it remote, too.
786
787 2007-04-05  Anatoly Sokolov <aesok@post.ru>
788
789         PR target/25448
790         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
791         DECL_ASSEMBLER_NAME, not the DECL_NAME.
792
793 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
794
795         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
796         (CONDITIONAL_REGISTER_USAGE): Likewise.
797
798 2007-04-04  Richard Henderson  <rth@redhat.com>
799
800         * config/alpha/lib1funcs.asm: Remove unused file.
801
802 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
803
804         PR other/31356
805         * opts.c (print_specific_help): Fix --help=<language>
806         header line.
807         (common_handle_option): Support --help=common.
808
809 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
810
811         PR other/31353
812         * gcc.c (main): Do not run the linker if
813         print_subprocess_help indicates that it shouldn't be
814         run.
815
816 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
817
818         PR doc/31355
819         * doc/invoke.texi (--help=): Document <languages> value, fix
820         formatting in tables of values.
821
822 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
823
824         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
825         dllimport attribute of virtual methods.
826
827 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
828
829         * config/score/crti.asm: Change _bss_start to __bss_start.
830         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
831         (OUTGOING_REG_PARM_STACK_SPACE) update.
832         * config/score/score.opt: add options to make backend support
833         score5, score5u, score7 and score7d.
834         * config/score/score.md: Likewise.
835         * config/score/misc.md: Likewise.
836         * config/score/mac.md: Likewise.
837         * doc/invoke.texi: Likewise.
838         * doc/md.texi: update constraints define.
839
840 2007-04-03  Richard Henderson  <rth@redhat.com>
841
842         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
843         an appropriate type, use the mode instead.
844
845 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
846
847         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
848         Set the default --with-arch setting to mips2.
849         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
850         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
851         (MULTILIB_OSDIRNAMES): Delete.
852         (MULTILIB_DIRNAMES): Define.
853         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
854         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
855         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
856         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
857         VXWORKS_OS_CPP_BUILTINS.
858         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
859         (MIPS_DEBUGGING_INFO): Undefine.
860         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
861
862 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
863
864         PR middle-end/30704
865         * fold-const.c (native_encode_real): Encode real.c provided longs
866         as a series of 32-bit native integers.
867         (native_interpret_real): Interpret buffer as a series of 32-bit
868         native integers.
869
870 2007-04-03  Richard Guenther  <rguenther@suse.de>
871
872         * genpreds.c (write_insn_constraint_len): Write function
873         optimized for CONSTRAINT_LEN implementation.
874         (write_tm_preds_h): Output insn_constraint_len inline and
875         use it for CONSTRAINT_LEN.
876         (write_insn_preds_c): Don't output insn_constraint_len.
877         * doc/md.texi (define_register_constraint): Document multi-letter
878         constraints shall have the same length if they start with the same
879         letter.
880
881 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
882
883         PR target/31175
884         * config/i386/i386.md (isinf<mode>2): Expand only when
885         TARGET_C99_FUNCTIONS is set.
886
887 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
888
889         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
890         (x86_64-*-linux*): Ditto.
891         * config/i386/i386.opt (mpc): New option.
892         * config/i386/i386.c (overrride_options): Handle
893         ix87_precision_string.
894         * config/i386/crtprec.c: New file.
895         * config/i386/t-crtpc: Ditto.
896         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
897         and -mpc80 options.
898         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
899         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
900         crtprec32.o, crtprec64.o and crtprec80.o.
901
902         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
903         and -mpc80 options.
904         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
905
906 2007-04-02  Eric Christopher  <echristo@apple.com>
907
908         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
909         limitations on darwin.
910
911 2007-04-02  Anatoly Sokolov <aesok@post.ru>
912
913         PR target/31137
914         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
915
916 2007-04-02  Dave Korn  <dave.korn@artimi.com>
917
918         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
919
920 2007-04-02  Dave Korn  <dave.korn@artimi.com>
921
922         * libgcc2.h (exception_descriptor): Don't forward-declare.
923         (__get_eh_table_language, __get_eh_table_version): Delete
924         prototypes of long-dead functions.
925
926 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
927
928         * ebitmap.h: New file
929         * ebitmap.c: New file
930         * Makefile.in (ebitmap.o): New target.
931
932 2007-04-01  Jan Hubicka  <jh@suse.cz>
933
934         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
935         before very first instruction.
936
937 2007-04-01  Jan Hubicka  <jh@suse.cz>
938
939         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
940         waring on 64bit hosts.
941         * bitmap.h: Fix typo in bitmap_head_def.
942
943 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
944
945         PR rtl-optimization/31391
946         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
947         into a DELETED_LABEL note, and the label is in an empty basic
948         block, update BB_END as well as BB_HEAD.
949
950 2007-04-01  Richard Henderson  <rth@redhat.com>
951
952         PR tree-optimization/31169
953         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
954         to varying if the range is outside [0,  prec-1].
955
956 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
957
958         PR target/31388
959         * config/mips/mips.md (load_const_gp): New insn.
960         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
961         the MIPS16 GP pseudo register if no_new_pseudos.
962         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
963
964 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
965
966         PR target/31364
967         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
968         secureplt.
969         (call_value): Likewise.
970
971 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
972             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
973
974         PR 14737
975         * doc/invoke.texi: (optimization options): Reword description
976         of -ffast-math. Document its primary purpose.
977
978 2007-03-31  Richard Guenther  <rguenther@suse.de>
979
980         * omp-low.c (splay-tree.h): Include.
981         (lookup_decl): Replace splay-tree usage by pointer-map.
982         (maybe_lookup_decl): Likewise.
983         (new_omp_context): Likewise.
984         (delete_omp_context): Likewise.
985         * gimplify.c (splay-tree.h): Include.
986         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
987         pointer-map.
988         (remap_ssa_name): Likewise.
989         (remap_decl): Likewise.
990         (remap_type_1): Likewise.
991         (remap_type): Likewise.
992         (copy_body_r): Likewise.
993         (expand_call_inline): Likewise.
994         (clone_body): Likewise.
995         (copy_tree_r): Likewise.
996         (remap_save_expr): Likewise.
997         (unsave_r): Likewise.
998         (unsave_expr_now): Likewise.
999         (tree_function_versioning): Likewise.
1000         (build_duplicate_type): Likewise.
1001         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
1002         (struct copy_body_data): Replace splay-tree by pointer-map.
1003         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
1004         not $(SPLAY_TREE_H).
1005         (gimplify.o): Depend on $(SPLAY_TREE_H).
1006         (omp-low.p): Likewise.
1007
1008 2007-03-31  Anatoly Sokolov <aesok@post.ru>
1009
1010         * config/avr/predicates.md (even_register_operand,
1011         odd_register_operand): New predicates.
1012         * config/avr/avr.md (movw peephole2): New.
1013         (movw_r peephole2): New.
1014
1015 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
1016
1017         * tree.h (get_signed_or_unsigned_type): New.
1018         * fold-const.c (operand_equal_for_comparison_p): Use
1019         get_signed_or_unsigned_type instead of
1020         lang_hooks.types.signed_or_unsigned_type.
1021         * expr.c (store_expr): Ditto.
1022         * langhooks.c (get_signed_or_unsigned_type): New.
1023         (lhd_signed_or_unsigned_type): New.
1024         * langhooks.h (lhd_signed_or_unsigned_type): New.
1025         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
1026
1027 2007-03-30  Richard Henderson  <rth@redhat.com>
1028
1029         * tree-ssa-loop-ivopts.c: Include target.h.
1030         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
1031         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
1032         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
1033         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
1034
1035 2007-03-30  Richard Henderson  <rth@redhat.com>
1036             Kai Tietz  <kai.tietz@onevision.com>
1037
1038         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
1039         default for 64-bit.
1040         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
1041         (TARGET_64BIT_MS_ABI): New.
1042         (DBX_REGISTER_NUMBER): Handle 64-bit.
1043         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
1044         (LONG_TYPE_SIZE): Force to 32.
1045         (REG_PARM_STACK_SPACE): New.
1046         (OUTGOING_REG_PARM_STACK_SPACE): New.
1047         (REGPARM_MAX, SSE_REGPARM_MAX): New.
1048         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
1049         (STACK_BOUNDARY): Use 128 for 64-bit.
1050         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
1051         Add 64-bit implementation.
1052         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
1053         argument unused.
1054         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
1055         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
1056         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
1057         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
1058         (ix86_handle_cconv_attribute): Don't warn when ignoring if
1059         TARGET_64BIT_MS_ABI.
1060         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
1061         (ix86_pass_by_reference): Likewise.
1062         (ix86_function_value_regno_p): Likewise.
1063         (ix86_build_builtin_va_list): Likewise.
1064         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1065         (function_arg_advance_ms_64): New.
1066         (function_arg_advance): Call it.
1067         (function_arg_ms_64): New.
1068         (function_arg): Call it.
1069         (function_value_ms_64): New.
1070         (ix86_function_value_1): Call it.
1071         (return_in_memory_ms_64): New.
1072         (ix86_return_in_memory): Call it.
1073         (setup_incoming_varargs_ms_64): New.
1074         (ix86_setup_incoming_varargs): Call it.
1075         (ix86_expand_prologue): Handle 64-bit stack probing.
1076         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
1077         (output_pic_addr_const): Likewise.
1078         (x86_this_parameter): Likewise.
1079         (x86_output_mi_thunk): Likewise.
1080         (x86_function_profiler): Likewise.
1081         (TARGET_STRICT_ARGUMENT_NAMING): New.
1082         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
1083         (TARGET_64BIT_MS_ABI): New.
1084         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
1085         * config/i386/i386.md (allocate_stack_worker): Remove.
1086         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
1087         describe the clobber of eax without a match_scratch.
1088         (allocate_stack_worker_postreload): Remove.
1089         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
1090         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
1091         (allocate_stack_worker_rex64_postreload): Remove.
1092         (allocate_stack): Handle 64-bit.
1093         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
1094         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
1095         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
1096         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
1097         (STANDARD_STARTFILE_PREFIX_1): Likewise.
1098         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
1099         * config.build (x86_64-*-mingw*): New host.
1100         * config.host (x86_64-*-mingw*): New host.
1101         * config.gcc (x86_64-*-mingw*): New target.
1102         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
1103
1104 2007-03-30  Richard Henderson  <rth@redhat.com>
1105             Kai Tietz  <kai.tietz@onevision.com>
1106
1107         * c-pragma.c (struct def_pragma_macro_value): New.
1108         (struct def_pragma_macro): New.
1109         (pushed_macro_table): New.
1110         (dpm_hash, dpm_eq): New.
1111         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
1112         (init_pragma): Install them.
1113         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
1114
1115 2007-03-30  Anatoly Sokolov <aesok@post.ru>
1116
1117         * config/avr/avr.c (avr_override_options): Clear
1118         'flag_delete_null_pointer_checks'.
1119
1120 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
1121
1122         PR c++/26099
1123         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
1124         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
1125         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
1126         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
1127         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
1128         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
1129         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
1130         C++ extensions.
1131         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
1132
1133 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
1134
1135         * regmove.c: Move all of pass_stack_adjustments from here...
1136         * combine-stack-adj.c: ...to this new file.
1137         * Makefile.in: Add rules for combine-stack-adj.o.
1138
1139 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
1140
1141         PR tree-optimization/31383
1142         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
1143         to have the same length.
1144
1145 2007-03-30  Jan Hubicka  <jh@suse.cz>
1146
1147         PR middle-end/30700
1148         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
1149         availablility; add more sanity checking; ask varpool only about
1150         VAR_DECL.
1151
1152 2007-03-29  Richard Henderson  <rth@redhat.com>
1153
1154         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
1155         to decide, but __SIZEOF_LONG_LONG__.
1156
1157 2007-03-29  Richard Henderson  <rth@redhat.com>
1158
1159         * emutls.c (struct __emutls_array): New.
1160         (emutls_destroy): Use it instead of casting element 0 from void*.
1161         (__emutls_get_address): Likewise.
1162
1163 2007-03-29  Richard Henderson  <rth@redhat.com>
1164
1165         * varasm.c (initializer_constant_valid_p): Don't deny
1166         DECL_DLLIMPORT_P on functions.
1167
1168         * config/i386/cygming.h: Remove function declarations.
1169         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
1170         (ASM_OUTPUT_LABELREF): Remove.
1171         (COMMON_ASM_OP): Remove.
1172         (ASM_OUTPUT_COMMON): Remove.
1173         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
1174         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
1175         (ASM_DECLARE_FUNCTION_NAME): Likewise.
1176         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
1177         Rename from TARGET_ENCODE_SECTION_INFO.
1178         * config/i386/netware.h: Likewise.
1179         * config/i386/i386-protos.h: Update.
1180         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
1181         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
1182         (legitimate_constant_p): Reject dllimports.
1183         (dllimport_map, get_dllimport_decl): New.
1184         (legitimize_dllimport_symbol): New.
1185         (legitimize_address, ix86_expand_move): Use it.
1186         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
1187         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
1188         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
1189         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
1190         * config/i386/predicates.md (constant_call_address_operand): Only
1191         accept symbols; reject dllimport_p symbols.
1192         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
1193         i386_pe_maybe_record_exported_symbol.
1194         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
1195         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
1196         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
1197         trust the setting of DECL_DLLIMPORT_P.
1198         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
1199         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
1200         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
1201         tidy the argument scanning loop.
1202         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
1203         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
1204         (i386_pe_strip_name_encoding): Remove.
1205         (i386_pe_binds_local_p): New.
1206         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
1207         (i386_pe_output_labelref): Remove.
1208         (i386_pe_asm_output_aligned_decl_common): New.
1209         (i386_pe_maybe_record_exported_symbol): Rename from
1210         i386_pe_record_exported_symbol; check for dllexported symbols.
1211
1212 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
1213
1214         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
1215         add comment explaining why vsnprintf cannot be used.
1216
1217 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
1218
1219         PR tree-optimization/30666
1220         * tree.c (build_complex_type): When creating type names for DWARF2
1221         debug info, create TYPE_DECLs for TYPE_NAME instead of
1222         IDENTIFIER_NODEs.
1223         (build_common_tree_nodes_2): Use build_complex_type when building
1224         predefined complex types, to preserve canonical types.
1225
1226 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
1227
1228         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
1229         (noce_get_alt_condition): Look at it to determine whether to
1230         reverse the condition or not.
1231         (noce_get_condition): Substitute the truth for lies.
1232         (noce_find_if_block): Set the then_else_reversed field.
1233
1234 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
1235
1236         * config/fr30/fr30.md (movdi): Do not accept immediates as the
1237         destination of this insn.
1238         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
1239         than calling gen_rtx_SET directly.  Use r0 to hold the value of
1240         'address + 4' rather than a stack based temporary which can be
1241         mis-optimized away.
1242
1243 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1244
1245         * config/s390/s390.c (s390_secondary_input_reload_class,
1246         s390_secondary_output_reload_class): Functions removed.
1247         (s390_secondary_reload): New function.
1248         (TARGET_SECONDARY_RELOAD): Target macro defined.
1249         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
1250         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
1251         * config/s390/s390.md ("reload_outti", "reload_outdi",
1252         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
1253         "reload_out<mode>"): Expanders removed.
1254         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
1255         "reload<mode>_nonoffmem_out"): Expanders added.
1256
1257 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1258
1259         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
1260         SRC->DEST replacement failed anyway.
1261
1262 2007-03-28  Mike Stump  <mrs@apple.com>
1263
1264         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
1265         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
1266         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
1267
1268 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1269
1270         * config.gcc: Accept barcelona as a variant of amdfam10.
1271         * config/i386/i386.c (override_options): Likewise.
1272         * doc/invoke.texi: Likewise.
1273
1274 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
1275
1276         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
1277         offsets for BIT_FIELD_REF and COMPONENT_REF.
1278
1279 2007-03-28  Richard Guenther  <rguenther@suse.de>
1280
1281         * tree.c (is_global_var): Move ...
1282         * tree-flow-inline.h (is_global_var): ... here.
1283         * tree.h (is_global_var): Remove declaration.
1284
1285 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
1286
1287         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
1288         option.
1289         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
1290         * config/i386/i386.c (ix86_tune_features): Initialize new
1291         tuning option.
1292         * config/i386/predicates.md (promotable_binary_operator): Use
1293         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
1294
1295 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1296
1297         PR target/31380
1298         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
1299
1300 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
1301
1302         * config/fr30/fr30.md (movsi_internal): Change destination
1303         constraint from m to V and add m to the end.
1304
1305 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1306
1307         * config/sh/sh.md (movsi_i): Fix type attribute.
1308
1309 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1310
1311         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
1312         (movsf_ie): Likewise.
1313
1314 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1315
1316         * config.gcc: Add sh4-300 to multilib.
1317         * config/sh/t-mlib-sh4-300: New file.
1318
1319 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1320
1321         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
1322         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
1323         fix_trunc<mode>di2.
1324         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
1325         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
1326         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
1327         "fixuns_trunctddi2"): Whitespace fix.
1328
1329 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
1330
1331         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
1332         the definition of struct sh_args.
1333         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
1334         CALL_COOKIE_INT_REG_GET): Likewise.
1335
1336 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
1337
1338         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
1339         transformations are applied successfully.
1340
1341 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
1342
1343         * tree.c (tree_contains_struct): Permit 512 tree codes.
1344         * tree.h (tree_contains_struct): Ditto.
1345         (MAX_TREE_CODES): Ditto.
1346         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
1347         SPARE member to store remaining padding bits.
1348
1349 2007-03-27  Anatoly Sokolov <aesok@post.ru>
1350
1351         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
1352         architecture.
1353
1354 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
1355
1356         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
1357         * configure: Regenerate.
1358
1359         * configure: Regenerate using the correct version of autoconf.
1360
1361 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
1362
1363         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
1364         pointer regs.
1365         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
1366         regs to "__SP_L__" and "__SP_H__".
1367
1368 2007-03-27  Richard Guenther  <rguenther@suse.de>
1369
1370         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
1371         computations with it with a HOST_WIDE_INT variable.
1372
1373 2007-03-26  Mike Stump  <mrs@apple.com>
1374
1375         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
1376         objective-c-header, objective-c++-header and objc++-cpp-output
1377         support.
1378         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
1379
1380 2007-03-26  Richard Henderson  <rth@redhat.com>
1381
1382         PR target/31361
1383         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
1384         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
1385         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
1386         IX86_BUILTIN_PSRLQ128): New.
1387         (ix86_init_mmx_sse_builtins): Add them.
1388         (ix86_expand_builtin): Expand them.
1389         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
1390         operand 2 be TImode.
1391         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
1392         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
1393         _mm_srli_epi64): Mark __B const.
1394         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
1395         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
1396         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
1397         new two-vector shift builtins.
1398
1399 2007-03-26  Ian Lance Taylor  <iant@google.com>
1400
1401         PR tree-optimization/31345
1402         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
1403         [+INF, +INF(OVF)] into VARYING.
1404
1405 2007-03-26  Zack Weinberg  <zackw@panix.com>
1406
1407         * gengtype-parse.c: New file.
1408         * gengtype-yacc.y: Delete.
1409         * gengtype-lex.l: Don't include gengtype-yacc.h.
1410         Define YY_DECL and yyterminate appropriately for recursive
1411         descent parser.  yylval is now a string out-parameter to yylex.
1412         (HWS, EOID): New shorthand.
1413         (IWORD): Add a couple more types.
1414         (yylex): Add a setup stanza.  Remove the complex rules for
1415         detecting GTY'ed types and typedefs; replace with simple
1416         keyword detectors.  Adjust everything for the changed
1417         definition of yylval.  Ignore all pp-directives, not just #define.
1418         (yyerror): Delete.
1419         (parse_file): Rename yybegin; do not call yyparse.
1420         (yyend): New.
1421         * gengtype.c (xasprintf): Export again.
1422         (this_file): New.  Use everywhere __FILE__ was being used.
1423         (get_lang_bitmap): Special case types defined in gengtype.c.
1424         (do_typedef, new_structure): Suppress definition of certain types.
1425         (new_structure): Improve diagnostics of duplicate definitions.
1426         Make sure location_s is associated with input.h.
1427         (nreverse_pairs, define_location_structures): New functions.
1428         (main): Improve tagging of kludge types.  Remove old kludges
1429         for input.h types; use define_location_structures.
1430         * gengtype.h: Update prototypes.  Define token codes here.
1431         * Makefile.in: Remove all references to gengtype-yacc.
1432         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
1433         and gengtype.
1434         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
1435         add GTY((skip)) to the field that's only conditionally there.
1436         * doc/install.texi: Document that Bison is no longer required
1437         unless building treelang.
1438
1439         * gengtype.c: Don't include gtyp-gen.h.
1440         (srcdir): Declare here.
1441         (base_files, lang_dir_names): Allocate dynamically.
1442         (gt_files, num_gt_files, num_lang_dirs): New globals.
1443         (measure_input_list, read_input_line, read_input_list)
1444         (set_lang_bitmap): New functions.
1445         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
1446         simplify, relying on read_input_list to set up the bitmaps.
1447         (main): Arguments are no longer unused.  Check for correct number
1448         of command line arguments, set srcdir and srcdir_len, then call
1449         read_input_list, before doing anything else.  No need to worry
1450         about duplicates in main loop.
1451         * configure.ac: Simplify the calculation of all_gtfiles.
1452         Put language tags in there.  Don't set or substitute
1453         all_gtfiles_files_langs or all_gtfiles_files_frags.
1454         * Makefile.in: Revamp the way gengtype is invoked, now that it
1455         takes a file on its command line with a much simpler format.
1456         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
1457         (GTFILES): Remove duplicates and C source files.
1458         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
1459         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
1460         * configure: Regenerate.
1461
1462         * gengtype.h: Remove all type definitions to gengtype.c; leave
1463         only definitions of options_p, type_p, and pair_p as opaque
1464         pointers.  Update prototypes.
1465         * gengtype.c: Many type definitions moved here from gengtype.h.
1466         Consolidate type definitions at the top of the file.
1467         (xvasprintf): Delete.
1468         (xasprintf): Make static.
1469         (create_nested_pointer_option): Add 'next' parameter.
1470         (create_field_all, create_field_at): New functions.
1471         (create_field): Now a thin wrapper around create_field_all.
1472         (create_optional_field): Rename create_optional_field_ and add
1473         line argument.  Original name is now a macro which supplies
1474         __LINE__.
1475         (oprintf): Use vsnprintf directly.
1476         (close_output_files): Use fatal rather than perror/exit.
1477         (note_def_vec, note_def_vec_alloc): Use create_field_at.
1478         (main): Set progname.  Don't use exit.
1479         * gengtype-yacc.y (struct_fields): Use create_field_at.
1480         (option, optionseqopt): Delete.
1481         (optionseq): Consolidate productions from option here so we
1482         can use the first argument to create_option.
1483
1484         * gengtype-lex.l: Distinguish unions from structures in the
1485         token type.  Don't call find_structure; return the tag as a string.
1486         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
1487         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
1488         Reorganize typedef_struct production accordingly.
1489         Use create_nested_ptr_option.
1490         * gengtype.c (create_nested_ptr_option): New function.
1491         * gengtype.h: Declare it.
1492
1493         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
1494         (string_type): Don't declare.
1495         (do_scalar_typedef): Declare.
1496         (create_scalar_type): Update prototype.
1497         * gengtype.c (string_type): Make static.
1498         (scalar_nonchar, scalar_char): New.
1499         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
1500         (resolve_typedef): Use scalar_nonchar for error recovery.
1501         (create_scalar_type): Remove name_len field.  Return scalar_char
1502         or scalar_nonchar as appropriate.
1503         (adjust_field_type): Look at scalar_is_char boolean to decide whether
1504         to use string_type.
1505         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
1506         whenever possible.
1507         (main): Initialize scalar_char and scalar_nonchar before calling
1508         gen_rtx_next.
1509         * gengtype-lex.l: Adjust for removal of second argument to
1510         create_scalar_type.  Use yylval.s instead of yylval.t when
1511         returning SCALAR.
1512         * gengtype-yacc.y: Type of SCALAR is string.  Call
1513         create_scalar_type from type:SCALAR rule.  Adjust for removal of
1514         second argument to create_scalar_type.
1515
1516         * vec.h: Remove all #if IN_GENGTYPE blocks.
1517         Add comment saying that changes may require adjustments to gengtype.
1518         * gengtype.c: Don't include coretypes.h or tm.h.
1519         Add comment to inclusion of errors.h.
1520         (note_def_vec, note_def_vec_alloc): New functions.
1521         * gengtype.h: Declare new functions.
1522         * gengtype-lex.l: Don't include coretypes.h.
1523         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
1524         Delete.
1525         (update_lineno): Remove unnecessary prototype.
1526         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
1527         (VEC rule): Just return VEC_TOKEN.
1528         * gengtype-yacc.y (VEC_TOKEN): New token type.
1529         (type): Add a production for VEC(a,b).
1530         * Makefile.in: Update dependencies.
1531
1532         * gengtype-lex.l: Remove rules for parsing pointer-to-function
1533         typedefs that use the old PARAMS macro.
1534
1535         * gengtype-lex.l: Remove all rules and states relating to yacc
1536         input files.
1537         * gengtype-yacc.y: Similarly.
1538         * gengtype.c (note_yacc_type): Delete function.
1539         * gengtype.h: Update prototypes.
1540
1541 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
1542
1543         * tree-pretty-print.c (dump_generic_node): Report precision of
1544         unnamed integer types.
1545
1546 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
1547
1548         * ifcvt.c (noce_try_store_flag_constants): Don't check
1549         no_new_pseudos here.
1550         (noce_try_store_flag_constants): Don't check no_new_pseudos.
1551         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
1552         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
1553         noce_try_sign_mask): Likewise.
1554         (if_convert): Check no_new_pseudos here.
1555
1556         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
1557         Remove prototypes.
1558         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
1559         (noce_get_condition): Handle new then_else_reversed argument.
1560         (noce_init_if_info): Remove, fold into noce_find_if_block.
1561         (noce_process_if_block): Take a struct noce_if_info as the
1562         argument.  Don't set up one based on ce_if_info.  Update pointer
1563         references accordingly.
1564         (cond_move_process_if_block): Likewise.
1565         (process_if_block): Removed.
1566         (find_if_block): Removed.  Move functionality two new functions,
1567         noce_find_if_block and cond_exec_find_if_block.
1568         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
1569         blocks and the symmetric IF-ELSE-JOIN case.
1570         (cond_exec_find_if_block): Also new function mostly based on old
1571         find_if_block and process_if_block.
1572         (find_if_header): Replace find_if_block call with separately
1573         guarded calls to noce_find_if_block and cond_exec_find_if_block.
1574         (find_cond_trap): Update noce_get_condition call.
1575         (dead_or_predicable): Likewise.
1576
1577 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
1578
1579         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
1580         Remove.
1581         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
1582         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
1583         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
1584         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
1585         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
1586         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
1587         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
1588         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
1589         __builtin_ia32_psrad128 builtins.
1590
1591 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
1592
1593         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
1594         * config/i386/constraints.md
1595         (define_constraint "I"): Use IN_RANGE macro.
1596         (define_constraint "J"): Ditto.
1597         (define_constraint "K"): Ditto.
1598         (define_constraint "M"): Ditto.
1599         (define_constraint "N"): Ditto.
1600         (define_constraint "O"): Ditto.
1601         * config/i386/predicates.md
1602         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
1603         (define_predicate "const_0_to_3_operand"): Ditto.
1604         (define_predicate "const_0_to_7_operand"): Ditto.
1605         (define_predicate "const_0_to_15_operand"): Ditto.
1606         (define_predicate "const_0_to_63_operand"): Ditto.
1607         (define_predicate "const_0_to_255_operand"): Ditto.
1608         (define_predicate "const_1_to_31_operand"): Ditto.
1609         (define_predicate "const_2_to_3_operand"): Ditto.
1610         (define_predicate "const_4_to_7_operand"): Ditto.
1611
1612 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
1613
1614         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
1615         in SImode for save_world.
1616         * config/rs6000/altivec.md (save_world, restore_world): Convert to
1617         LR hard reg.
1618
1619 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
1620
1621         PR tree-optimization/30784
1622         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
1623         BIT_FIELD_REF.
1624
1625 2007-03-25  Revital Eres  <eres@il.ibm.com>
1626
1627         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
1628           Fold movement_possibility function into it.
1629
1630 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
1631
1632         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
1633         (load_macho_picbase_{si,di}): Convert to LR hard reg.
1634         (call_indirect_nonlocal_darwin64): Same.
1635         (call_nonlocal_darwin64): Same.
1636         (call_value_indirect_nonlocal_darwin64): Same.
1637         (call_value_nonlocal_darwin64): Same.
1638         (sibcall_nonlocal_darwin64): Same.
1639         (sibcall_value_nonlocal_darwin64): Same.
1640         (sibcall_symbolic_64): Same.
1641         (sibcall_value_symbolic_64): Same.
1642         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
1643         LR pseudo.
1644         (rs6000_emit_load_toc_table): Same.
1645         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
1646         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
1647         (mull_call): Same.
1648         (divss_call): Same.
1649         (divus_call): Same.
1650         (quoss_call): Same.
1651         (quous_call): Same.
1652         (load_toc_v4_pic_si): Same
1653         (load_toc_v4_PIC_1): Same.
1654         (load_toc_v4_PIC_1b): Same.
1655         (call_indirect_aix{32,64}): Same.
1656         (call_value_indirect_aix{32,64}): Same.
1657         (call): Same.
1658         (call_value): Same.
1659         (call_local{32,64}): Same.
1660         (call_value_local{32,64}): Same.
1661         (call_indirect_nonlocal_aix{32,64}): Same.
1662         (call_nonlocal_aix{32,64}): Same.
1663         (call_value_indirect_nonlocal_aix{32,64}): Same.
1664         (call_value_nonlocal_aix{32,64}): Same.
1665         (call_indirect_nonlocal_sysv<mode>): Same.
1666         (call_nonlocal_sysv<mode>): Same.
1667         (call_value_indirect_nonlocal_sysv<mode>): Same.
1668         (call_value_nonlocal_sysv<mode>): Same.
1669         (sibcall): Same.
1670         (sibcall_local{32,64}): Same.
1671         (sibcall_value_local{32,64}): Same.
1672         (sibcall_nonlocal_aix{32,64}): Same.
1673         (sibcall_value_nonlocal_aix{32,64}): Same.
1674         (sibcall_nonlocal_sysv<mode>): Same.
1675         (sibcall_value): Same.
1676         (sibcall_value_nonlocal_sysv<mode>): Same.
1677
1678 2007-03-24  Paul Brook  <paul@codesourcery.com>
1679
1680         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
1681         * config/arm/linux-eabi.h: Remove legacy syscall hack.
1682
1683 2007-03-24  Richard Henderson  <rth@redhat.com>
1684
1685         * config/ia64/constraints.md: New file.
1686         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
1687         satisfies_constraint_?.
1688         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
1689         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
1690         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
1691         ia64_output_mi_thunk): Likewise.
1692         (ia64_const_ok_for_letter_p): Remove.
1693         (ia64_const_double_ok_for_letter_p): Remove.
1694         (ia64_extra_constraint): Remove.
1695         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
1696         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
1697         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
1698         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
1699         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
1700         EXTRA_MEMORY_CONSTRAINT): Remove.
1701         * config/ia64/ia64.md: Include constriants.md.  Replace
1702         CONST_OK_FOR_? with satisfies_constraint_?.
1703
1704 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
1705             H.J. Lu  <hongjiu.lu@intel.com>
1706
1707         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
1708         DPD or BID name.
1709         (name macros): Use DPD_BID_NAME to convert names properly.
1710
1711         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
1712         decimal floating point format.
1713         (init_floating_libfuncs): Change decimal functions so that they
1714         have a "bid_" prefix if the decimal system uses the BID format,
1715         and "dpd_" prefix if the decimal system uses the DPD format.
1716         (init_interclass_conv_libfuncs): Ditto.
1717         (init_intraclass_conv_libfuncs): Ditto.
1718
1719         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
1720         using the BID format.
1721
1722         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
1723         whether we are using the BID decimal format.
1724         * configure: Regenerate.
1725
1726         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
1727         the compiler has decimal floating point enabled.  Define
1728         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
1729         instead of DPD.
1730
1731         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
1732         using the BID format.
1733
1734         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
1735         whether we are using the BID decimal format.
1736         * configure: Regenerate.
1737
1738         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
1739         the compiler has decimal floating point enabled.  Define
1740         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
1741         instead of DPD.
1742
1743         * doc/install.texi (--enable-decimal-float): Document BID and DPD
1744         options, and that it is enabled for i386/x86_64 systems.
1745
1746         * Makefile.in (enable_decimal_float): New.
1747         (DECNUMFMT): New.
1748         (DECNUMINC): Add  -I$(DECNUMFMT).
1749         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
1750         to $(DECNUMFMT) from $(DECNUM).
1751
1752         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
1753         Substitute enable_decimal_float.
1754         * configure: Regenerated.
1755
1756         PR other/30529
1757         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
1758         unsigned long.
1759
1760         * configure.ac: Enable decimal float for x86_64-*-linux*.
1761         * configure: Regenerated.
1762
1763         PR other/30530
1764         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
1765         decimal128ClearSign to flip and clear the sign bit in decimal128.
1766         (decimal_real_maxval): Set decimal128SetSign to set the sign
1767         bit in decimal128.
1768
1769 2007-03-23  Ian Lance Taylor  <iant@google.com>
1770
1771         * fold-const.c (fold_binary): Correct warning for X - c >= X.
1772
1773 2007-03-23  Ian Lance Taylor  <iant@google.com>
1774
1775         * tree-dump.c (dump_files): Correct comment.
1776
1777 2007-03-23  Ian Lance Taylor  <iant@google.com>
1778
1779         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
1780
1781 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
1782
1783         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
1784         in cfglayout mode.  Don't go into and out of cfglayout mode.
1785         Link the blocks in the order of the constructed traces.
1786         (rest_of_handle_tracer): Adjust call to tracer.
1787         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
1788         Don't go into cfglayout mode.
1789         (rtl_loop_done): Don't go out of cfglayout mode.
1790         * cfglayout.c (relink_block_chain): New function, split out from...
1791         (fixup_reorder_chain): ...here.  Remove redundant checking.
1792         (cfg_layout_finalize): Don't clear the header, footer, and aux
1793         fields here, move the code to do so to relink_block_chain.  Likewise
1794         for free_original_copy_tables.
1795         * rtl.h (tracer): Update prototype.
1796         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
1797         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
1798         mode.  Use relink_block_chain to serialize the CFG according to the
1799         new basic block order.  Move targetm.cannot_modify_jumps_p check from
1800         here...
1801         (gate_handle_reorder_blocks): ...to here.
1802         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
1803         from here...
1804         (gate_duplicate_computed_gotos): ...to here.
1805         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
1806         something always changes when going into and out of cfglayout mode.
1807         Perform an expensive cfg cleanup while going into cfglayout mode.
1808         Always update liveness information on HAVE_conditional_execution
1809         targets.  Reserialize the basic blocks and go out of cfglayout mode.
1810         * reg-stack.c: Include cfglayout.h.
1811         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
1812         the call to reorder_basic_blocks.
1813         * basic-block.h (reorder_basic_blocks): Update prototype.
1814         (relink_block_chain): New prototype.
1815         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
1816
1817 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
1818
1819         * config/mips/mips.md (type, hazard, *movdi_32bit,
1820         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
1821         *movhi_internal, *movqi_internal, *movsf_hardfloat,
1822         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
1823         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
1824         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
1825         applicable.
1826         (movcc): Change first xfer to multi.
1827         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
1828         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
1829         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
1830         config/mips/generic.md: Change reservations using "xfer" to use
1831         "mfc,mtc".
1832         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
1833         using match_operand.
1834         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
1835         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
1836         examining mode.
1837         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
1838
1839 2007-03-22  Richard Henderson  <rth@redhat.com>
1840
1841         * config/i386/i386.c: Remove unnecessary function declarations.
1842         Move targetm definition, and all related macros, to the end of
1843         the file.  Resort some functions to put definitions before uses.
1844         (ix86_attribute_table): Make static.  Move to end of file.
1845         (ix86_gimplify_va_arg): Make static.
1846
1847 2007-03-22  Richard Henderson  <rth@redhat.com>
1848
1849         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
1850         don't increase local_regparm with force_align_arg_pointer check.
1851         (ix86_function_sseregparm): Assert 32-bit.
1852         (type_has_variadic_args_p): New.
1853         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
1854         type_has_variadic_args_p.
1855         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
1856         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
1857         use memset instead.  Do maybe_vaarg check first; skip attribute
1858         tests if true; skip attribute tests for 64-bit.
1859         (construct_container): Remove TARGET_DEBUG_ARG.
1860         (function_arg_advance_32, function_arg_advance_64): Split out ...
1861         (function_arg_advance): ... from here.
1862         (function_arg_32, function_arg_64): Split out ...
1863         (function_arg): ... from here.
1864         (ix86_pass_by_reference): Tidy.
1865         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
1866         (function_value_32): New, from parts of ix86_function_value
1867         and ix86_value_regno.
1868         (function_value_64): New, from parts of ix86_function_value
1869         and ix86_libcall_value.
1870         (ix86_function_value_1): New.
1871         (ix86_function_value, ix86_libcall_value): Use it.
1872         (return_in_memory_32, return_in_memory_64): Split out ...
1873         (ix86_return_in_memory): ... from here.
1874         (ix86_struct_value_rtx): Skip for 64-bit.
1875         (ix86_libcall_value, ix86_value_regno): Remove.
1876         (setup_incoming_varargs_64): Split out ...
1877         (ix86_setup_incoming_varargs): ... from here.
1878         (ix86_va_start): Remove TARGET_DEBUG_ARG.
1879         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
1880         * config/i386/i386-protos.h (ix86_function_value): Remove.
1881         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
1882
1883 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1884
1885         PR other/23572
1886         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
1887         infinities not supported, otherwise emit warning if -Woverflow. On
1888         underflow, emit warning if -Woverflow.
1889         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
1890         and 0 otherwise.
1891         * real.h (real_from_string): Update declaration
1892
1893 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
1894             Richard Henderson  <rth@redhat.com>
1895
1896         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
1897         * calls.c (compute_argument_block_size, expand_call,
1898         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
1899         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
1900         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
1901         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
1902         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
1903         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
1904         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
1905         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
1906         Set to 1.
1907
1908 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
1909
1910         * c-incpath.c (add_sysroot_to_chain): New.
1911         (merge_include_chains): Add sysroot argument.  Call
1912         add_sysroot_to_chain if sysrooted.
1913         (register_include_chains): Update call to merge_include_chains.
1914         * doc/cppopts.texi: Document use of '=' in include directory
1915         arguments.
1916
1917 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
1918
1919         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
1920         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
1921         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
1922         insn pattern using X87MODEF12 mode macro.
1923
1924 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
1925
1926         * regmove.c (regmove_optimize): Use reg_mentioned_p
1927         instead of reg_overlap_mentioned_p for DST.
1928
1929 2007-03-21  Mike Stump  <mrs@apple.com>
1930
1931         * c.opt: Fixup for Objective-C/C++.
1932
1933 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
1934
1935         * explow.c (convert_memory_address): Fold memory reference when
1936         POINTERS_EXTEND_UNSIGNED < 0
1937
1938 2007-03-21  Richard Henderson  <rth@redhat.com>
1939
1940         PR target/31245
1941         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
1942         * config/i386/mmintrin.h (__m64): Likewise.
1943         * config/i386/xmmintrin.h (__m128): Likewise.
1944
1945 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1946
1947         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
1948         (VXWORKS_OS_CPP_BUILTINS): Define.
1949         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
1950         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
1951
1952 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1953
1954         * rtl.h (constant_pool_reference_p): Delete.
1955         (find_constant_src): Declare.
1956         * rtlanal.c (find_constant_src): New function.
1957         * simplify-rtx.c (constant_pool_reference_p): Delete.
1958         * config/i386/i386.md: Use find_constant_src instead of
1959         constant_pool_reference_p/avoid_constant_pool_reference pairs.
1960
1961 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1962
1963         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
1964         * c-cppbuiltin.c (c_cpp_builtins): Define them.
1965
1966 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
1967
1968         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
1969         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
1970         (arm_elf_asm_constructor): Use it.
1971         (arm_elf_asm_destructor): New function.
1972
1973 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
1974
1975         * jump.c (mark_jump_label): Treat SEQUENCE specially.
1976
1977 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
1978
1979         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
1980
1981 2007-03-19  Andrew Haley  <aph@redhat.com>
1982
1983         PR tree-optimization/31264
1984         * tree-vrp.c (register_edge_assert_for_1): Don't look though
1985         VIEW_CONVERT_EXPRs.
1986
1987 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
1988
1989         PR rtl-optimization/30907
1990         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
1991         (fwprop_init): Always call loop_optimizer_initialize.
1992         (fwprop_done): Always call loop_optimizer_finalize.
1993         (fwprop): We always have loop info now.
1994         (gate_fwprop_addr): Remove.
1995         (pass_fwprop_addr): Use gate_fwprop as gate.
1996
1997         PR rtl-optimization/30841
1998         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
1999         df_chain_alloc): Call df_reorganize_refs unconditionally.
2000         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
2001         refs_organized to refs_organized_size.
2002         (df_ref_create_structure): Use refs_organized_size instead of
2003         bitmap_size if refs had been organized, and keep refs_organized_size
2004         up-to-date.
2005         * df.h (struct df_ref_info): Change refs_organized to
2006         refs_organized_size.
2007         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
2008         bitmap_size.
2009
2010 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
2011
2012         * except.c (output_function_exception_table): Do not reference the
2013         EH personality routine for functions that do not require an
2014         exception table.
2015
2016 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
2017
2018         PR c/30762
2019         * c-typeck.c (convert_for_assignment): Call comptypes for
2020         RECORD_TYPE or UNION_TYPE.
2021
2022         PR inline-asm/30505
2023         * reload1.c (reload): Do invalid ASM checking after
2024         cleanup_subreg_operands.
2025
2026 2007-03-19  Jeff Law  <law@redhat.com>
2027
2028         * tree-cfg.c (find_taken_edge): Tighten conditions for
2029         optimizing computed gotos.
2030
2031 2007-03-19  Michael Matz  <matz@suse.de>
2032
2033         * builtins.c (expand_builtin_sync_operation,
2034         expand_builtin_compare_and_swap,
2035         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
2036         correctly.
2037
2038         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
2039         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
2040         for operand 3.
2041
2042 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2043
2044         * doc/tm.texi: Add brackets around the return type of
2045         TARGET_SECONDARY_RELOAD.
2046
2047 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2048         Richard Guenther  <rguenther@suse.de>
2049
2050         PR tree-optimization/31254
2051         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
2052         Use handled_component_p () where appropriate.  Continue
2053         propagating into the rhs if we propagated into an INDIRECT_REF
2054         on the lhs.
2055
2056 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2057
2058         * config/s390/s390.md (op_type attribute): RRR instruction type added.
2059         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
2060         (xde, xdee): Mode attributes adjusted to support DFP modes.
2061         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
2062         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
2063         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
2064         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
2065         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
2066         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
2067         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
2068         numbers.
2069         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
2070         "movsf"): Insn definitions removed.
2071         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
2072         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
2073         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
2074         definitions added.
2075         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
2076         "reload_in<mode>", "reload_out<mode>"): Expander added.
2077         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
2078         Expander removed.
2079
2080 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2081
2082         * config/s390/s390.md: Only non-functional changes.  Renamed
2083         FPR mode macro to BFP all over the file.
2084
2085 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2086
2087         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
2088         (op_type attribute): RRF instruction type added.
2089         (fT0): New mode attribute.
2090         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
2091         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
2092         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
2093         no secondary memory is needed when moving DFmode values between GPRs
2094         and FPRs.
2095
2096 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2097
2098         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
2099         inverted and documentation adjusted.
2100         ("mhard-dfp", "msoft-dfp"): New options.
2101         * config/s390/s390.c (s390_handle_arch_option): New architecture
2102         switch: z9-ec.
2103         (override_options): Sanity checks for the new options added.
2104         * config.gcc: New architecture switch: z9-ec.
2105         * config/s390/s390.h (processor_flags): PF_DFP added.
2106         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
2107         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
2108         when the bit is NOT set so remove it from the defaults.
2109
2110 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2111
2112         * genemit.c (main): Print include statement for dfp.h.
2113         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
2114         is not available.
2115
2116 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
2117
2118         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
2119
2120 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
2121
2122         PR target/31022
2123         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
2124         instead of PATTERN.
2125
2126 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2127
2128         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
2129         attr_length_call, output_call, output_indirect_call): Cleanup
2130         formatting of targetm calls.
2131
2132 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
2133
2134         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
2135
2136 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2137
2138         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
2139         reservation, bypass and anti-bypass descriptions for these instructions.
2140         Update move patterns.
2141         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
2142         TYPE_FPSTORE.
2143
2144 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
2145
2146         * tree-vect-transform.c (get_initial_def_for_induction): Replace
2147         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
2148         (get_initial_def_for_reduction): Likewise.
2149
2150 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
2151
2152         Fix PR tree-optimization/29922
2153         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
2154         (get_representative): Removed.
2155         (value_dies_in_block_x): Update for rvuse removal.
2156         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
2157         (compute_antic_aux): Handle when PHI nodes appear in
2158         non-single-successors.
2159         (dump_bitmap_of_names): Removed.
2160         (compute_antic_safe): Renamed and removed rvuse calculation.
2161         Calculate only antic safe.
2162         (insert_into_preds_of_block): Remove assert.
2163         (execute_pre): Update for renamed functions.
2164         (defer_or_phi_translate_block): New function.
2165
2166 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
2167
2168         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
2169         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
2170         typos.
2171         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
2172         Follow spelling conventions.
2173
2174         * tree-data-ref.h: Remove the prototype for analyze_array.
2175
2176 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
2177
2178         PR tree-optimization/31041
2179         * tree-vect-transform.c (get_initial_def_for_induction): Call
2180         force_gimple_operand.
2181
2182 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
2183
2184         * ipa-type-escape.c (look_for_casts) : Revert code to use
2185         handled_component_p due to ada test a-numaux.adb.
2186
2187 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
2188
2189         * final.c (final_scan_insn): Alter the condition of a
2190         conditional trap if we have nonstandard CC.
2191
2192 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2193
2194         * configure.ac: Remove excess quoting from asm line 0 test.
2195         * configure: Rebuilt.
2196
2197 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2198
2199         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
2200         * c-common.c (convert_and_check): Move warning logic to...
2201         (warnings_for_convert_and_check): ...here. Define.
2202         * c-common.h (warnings_for_convert_and_check): Declare.
2203
2204 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2205
2206         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
2207         (output_call): Likewise.
2208
2209 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
2210
2211         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
2212
2213 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
2214
2215         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
2216
2217 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
2218
2219         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
2220         opteron, athlon-64 and athlon-fx processor_alias_table entries.
2221
2222 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
2223
2224         PR tree-optimization/31183
2225         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
2226         Use double_int instead of unsigned int for representing access_strides.
2227         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
2228
2229 2007-03-16  Richard Guenther  <rguenther@suse.de>
2230
2231         PR tree-optimization/31146
2232         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
2233         to allow recursion of forward_propagate_addr_expr.
2234         (forward_propagate_addr_into_variable_array_index): Likewise.
2235         (forward_propagate_addr_expr): Likewise.
2236         (tree_ssa_forward_propagate_single_use_vars): Likewise.
2237         (forward_propagate_addr_expr_1): Recurse on simple copies
2238         instead of propagating into them.  Do so for useless conversions
2239         as well.
2240         (forward_propagate_addr_expr): Clean up unused statements after
2241         recursion.
2242
2243 2007-03-16  Richard Guenther  <rguenther@suse.de>
2244
2245         * builtins.c (expand_builtin_cexpi): Use the right argument
2246         for the expansion via cexp.
2247
2248 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2249
2250         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
2251         * configure: Rebuilt.
2252
2253 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2254
2255         PR debug/29906
2256         * dwarf2out.c (force_type_die): Adjust comment.
2257         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
2258
2259 2007-03-15  DJ Delorie  <dj@redhat.com>
2260
2261         * config/frv/predicates.md (minmax_operator): Don't check operands
2262         here.
2263
2264 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
2265
2266         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
2267         Update constant estimates of number of iterations.
2268         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
2269         argument renamed to "realistic".
2270         (compute_estimated_nb_iterations): Removed.
2271         (record_niter_bound): New function.
2272         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
2273         call record_nonwrapping_iv with upper = false.
2274         (infer_loop_bounds_from_signedness): Pass upper argument to
2275         record_nonwrapping_iv.
2276         (estimate_numbers_of_iterations_loop): Do not call
2277         compute_estimated_nb_iterations.  Record estimate based on profile
2278         information.  Initialize the constant estimates of number of
2279         iterations.
2280         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
2281         estimates.
2282         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
2283         number of iterations is too small.
2284         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
2285         (EST_NOT_AVAILABLE): Removed.
2286         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
2287         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
2288         fields.
2289
2290 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
2291
2292         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
2293         Handle NE_EXPR guards.
2294
2295 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2296
2297         PR c++/24924
2298         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
2299         Set also -pedantic-errors by default for the  preprocessor unless
2300         -fpermissive is given.
2301
2302 2007-03-15  Richard Guenther  <rguenther@suse.de>
2303
2304         PR middle-end/29719
2305         PR middle-end/31161
2306         * builtins.c (expand_builtin_cexpi): As a fallback if we
2307         don't have builtins for sincos or cexp create a function
2308         declaration for cexp and expand to a call to that.
2309         (expand_builtin_int_roundingfn): Always fall
2310         back to floor/ceil and its variants even if they may be
2311         not available.
2312
2313 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
2314
2315         PR middle-end/31159
2316         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
2317         jump tables, move the call to delete_dead_jumptables from here...
2318         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
2319         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
2320         don't allow merging of blocks that try_redirect_by_replacing_jump
2321         also does not handle when not optimizing.
2322
2323 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
2324             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2325
2326         * config/i386/i386.md (x86_sahf_1): Correctly handle
2327         HAVE_AS_IX86_SAHF.
2328
2329 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
2330
2331         PR target/31167
2332         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
2333         x86_64_general_operand as operand[2] predicate.  Remove "iF"
2334         from operand constraints and use "e" constraint instead.
2335         (*subti3_1, *subti3_1 splitter): Ditto.
2336         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
2337         operand[1] predicate.
2338
2339 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
2340
2341         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
2342         arrays, multiply the access strides by the size of the sub-array.
2343         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
2344
2345 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
2346
2347         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
2348         the configured assembler supports the sahf mnemonic.
2349         * configure: Regenerate.
2350         * config.in: Regenerate.
2351
2352         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
2353         emit "sahf" or ".byte\t0x9e" as asm template.
2354
2355 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
2356
2357         PR 31018
2358         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
2359         option to replace hard coded TARGET_xxx in md file.
2360         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
2361         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
2362         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
2363         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
2364         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
2365         (X86_TUNE_NOT_VECTORMODE): Ditto.
2366         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
2367         (TUNE_AVOID_VECTOR_DECODE): Ditto.
2368         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
2369         (TUNE_SLOW_IMUL_IMM8): Ditto.
2370         (TUNE_MOVE_M1_VIA_OR): Ditto.
2371         (TUNE_NOT_UNPAIRABLE): Ditto.
2372         (TUNE_NOT_VECTORMODE): Ditto.
2373
2374         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
2375         options.
2376
2377         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
2378         tuning options instead of hard coded TARGET_xxx.
2379         (fix ssemode peephole2's): Ditto.
2380         (imul peephole2's): Ditto.
2381         (movsi_or): Ditto.
2382         (movdi_or_rex64): Ditto.
2383         (move peephole2): Ditto.
2384         (not peephole2's): Ditto.
2385
2386 2007-03-14  Dirk Mueller  <dmueller@suse.de>
2387
2388         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
2389         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
2390         * c-parser.c (c_parser_if_body): Always add an empty statement in case
2391         of empty body.
2392         * c-parser.c (c_parser_do_statement): Warn about empty body in
2393         do/while statement.
2394         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
2395         * doc/invoke.texi (-Wempty-body): Update documentation.
2396
2397 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2398
2399         PR c/21438
2400         * c-common.h (warn_for_div_by_zero): Declare.
2401         * c-common.c (warn_for_div_by_zero): Define.
2402         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
2403         warning.
2404
2405 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2406
2407         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
2408         to PREFIX and STANDARD_PREFIX.
2409
2410 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2411             Phil Edwards  <phil@codesourcery.com>
2412
2413         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
2414         (__gthread_once_t): Remove busy field for RTPs.
2415         (__GTHREAD_ONCE_INIT): Update accordingly.
2416
2417 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2418
2419         * doc/invoke.texi: Document VxWorks options.
2420
2421 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
2422
2423         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
2424
2425 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
2426
2427         PR tree-optimization/30590
2428         * tree-nrv.c (tree_nrv): Check for the partial update of the
2429         return value.
2430
2431 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
2432
2433         * flags.h (flag_random_seed): Remove declaration, in favor of...
2434         * toplev.h (get_random_seed, set_random_seed): ... these.
2435         * tree.c (get_file_function_name): Use the former.
2436         * opts.c (common_handle_option): Use the latter.
2437         * toplev.c
2438
2439 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
2440
2441         PR middle-end/31127
2442         * cse.c (cse_find_path): Do not bail out if a basic block that
2443         we already visited now becomes part of a path that starts at a
2444         different basic block.  Just disallow this, to make sure we
2445         visit each basic block at most once.
2446
2447 2007-03-13  Jan Hubicka  <jh@suse.cz>
2448
2449         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
2450         when profile esitmate is present, calls with very low frequency are
2451         cold.
2452
2453 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
2454
2455         PR tree-optimization/30730
2456         PR tree-optimization/26900
2457         * tree-ssa-loop-niter.c: Include gmp.h.
2458         (bounds): New type.
2459         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
2460         split_to_var_and_offset, determine_value_range,
2461         bound_difference_of_offsetted_base, refine_bounds_using_guard,
2462         bound_difference, bounds_add, bounds_negate,
2463         number_of_iterations_ne_max, dump_affine_iv): New functions.
2464         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2465         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
2466         difference of initial and final value of control iv to validate
2467         results.
2468         (number_of_iterations_cond): Add loop parameter.  Determine bounds
2469         on the difference of the extremes of the control iv.  Add dumps.
2470         (expand_simple_operations): Handle phi nodes.
2471         (simplify_using_initial_conditions): Do not record used conditions.
2472         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
2473         Do not set additional_info.
2474         (implies_nonnegative_p, implies_ge_p): Removed.
2475         (derive_constant_upper_bound): Do not use parameter `additional'.
2476         (record_estimate): Parameter `additional' removed.  Parameter
2477         `i_bound' added.  Do not call derive_constant_upper_bound.
2478         (record_nonwrapping_iv): Use derive_constant_upper_bound to
2479         bound the number of iterations estimate.
2480         (estimate_numbers_of_iterations_loop): Pass the estimate from
2481         the number of iterations analysis to record_estimate.
2482         * tree.h (multiple_of_p): Declare.
2483         * tree-scalar-evolution.c (expression_expensive_p): Removed.
2484         (scev_const_prop): Do not check expression_expensive_p.
2485         * fold-const.c (multiple_of_p): Exported.
2486         * double-int.c (double_int_mask): Exported.
2487         * double-int.h (double_int_mask): Declare.
2488         * tree-flow.h (struct tree_niter_desc): Removed additional_info
2489         field.  Added max field.
2490
2491 2007-03-13  David Taylor  <taylor@candd.org>
2492
2493         PR driver/12448:
2494         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
2495         default -MQ.
2496
2497 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2498
2499         PR target/31123
2500         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
2501         two unamed patterns.
2502
2503 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
2504
2505         * config/i386/i386.opt (mcx16, msahf): New options.
2506         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
2507         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
2508
2509         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
2510         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
2511         Output -mcx16 and -msahf options when corresponding bit is set.
2512
2513         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
2514         and -msahf options.
2515
2516 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
2517
2518         * configure.ac: Test for assembler tolerance to # 0 "".
2519         * configure, config.in: Rebuilt.
2520         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
2521
2522 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
2523
2524         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
2525
2526         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
2527         (handle_syscall): Handle direct system calls.
2528         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
2529
2530 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
2531
2532         * doc/invoke.texi: Fix cpp.info cross-reference.
2533         * doc/passes.texi: Fix gcc.info cross-reference.
2534
2535 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
2536
2537         PR tree-optimization/30835
2538         * lambda-code.c (can_convert_to_perfect_nest): Check whether
2539         bb_for_stmt is not NULL before accessing it.
2540
2541 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
2542
2543         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
2544         some multilibs.
2545
2546 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
2547
2548         PR 30635
2549         * doc/install.texi: Document --enable-stage1-languages
2550
2551 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
2552
2553         * tree-pass.h (pass_into_cfg_layout_mode,
2554         pass_outof_cfg_layout_mode): Declare.
2555         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
2556         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
2557         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
2558         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
2559
2560 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
2561
2562         * c-decl.c (warn_variable_length_array): New function.
2563         Refactored from grokdeclarator to handle warn_vla
2564         and handle unnamed array case.
2565         (grokdeclarator): Refactored VLA warning case.
2566         * c.opt (Wvla): New flag.
2567         * doc/invoke.texi (Wvla): New warning.
2568
2569 2007-03-12  Richard Henderson  <rth@redhat.com>
2570
2571         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
2572         (TARGET_SECTION_TYPE_FLAGS): New.
2573
2574 2007-03-12  Richard Henderson  <rth@redhat.com>
2575
2576         * config/darwin.c (machopic_reloc_rw_mask): New.
2577         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
2578         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
2579
2580 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
2581
2582         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
2583         * cppdefault.h (cpp_PREFIX): Document.
2584         (cpp_PREFIX_len): Likewise.
2585         (cpp_EXEC_PREFIX): New variable.
2586         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
2587         * c-incpath.c (add_standard_paths): Correct logic for relocating
2588         paths within prefix.
2589
2590 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
2591
2592         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
2593         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
2594         mode macro.
2595         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
2596         fix_truncdfdi_sse using SSEMODEF mode macro.
2597         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
2598         fix_truncdfsi_sse using SSEMODEF mode macro.
2599         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
2600         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
2601
2602 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
2603
2604         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
2605         elfos.h to tm_file.
2606
2607 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
2608
2609         * tree.h : Add multiple_of_p declaration.
2610         * fold-const.c (multiple_of_p): Make multiple_of_p public.
2611         * ipa-type-escape.c (results_of_malloc): Redundant.
2612         (visited_stmts): New. Visited stmt for walk_use_def_chains.
2613         (cast_type): Extended with new members.
2614         (check_cast): Returns cast_type.
2615         (cast): New structure for data of walk_use_def_chains.
2616         (is_malloc_result, is_cast_from_non_pointer_1,
2617         is_cast_from_non_pointer,
2618         is_array_access_through_pointer_and_index): New functions.
2619         (look_for_casts): Returns cast types.
2620         (check_call): Returns void.
2621         (okay_pointer_operation): Use support of pointer plus index,
2622         pointer plus constant and allow all multiplications.
2623
2624 2007-03-11  Richard Guenther  <rguenther@suse.de>
2625
2626         PR tree-optimization/31115
2627         * tree-vrp.c (extract_range_from_binary_expr): Make sure
2628         the shift count is positive and non-anti-range for RSHIFT_EXPR.
2629         A shift count of zero is not special as with *_DIV_EXPR.
2630         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
2631         direction.
2632
2633 2007-03-11  Ian Lance Taylor  <iant@google.com>
2634
2635         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
2636         the *_DIV_EXPR codes correctly with overflow infinities.
2637
2638 2007-03-11  Ira Rosen  <irar@il.ibm.com>
2639
2640         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
2641         indicate success/failure of the analysis. Add negation to subtrahend
2642         in case of subtraction. Fail if both operands contain constants.
2643         (create_data_ref): Fail if analyze_offset fails.
2644
2645 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
2646
2647         * config/i386/i386.md (frndintxf2): Rename to ...
2648         (rintxf2): ... this. Remove expander having same name.
2649         (rintsf2, rintdf2): Implement using SSEMODEF macro.
2650         (roundsf2, rounddf2): Ditto.
2651         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
2652         (lround<mode>di2, lround<mode>si2): Ditto.
2653
2654 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
2655
2656         * lower-subreg.c: Include except.h.
2657         (decompose_multiword_subregs): Verify that the only control flow
2658         insns we can split are loads to multi-words pseudos.
2659         Handle breaking such blocks after splitting, instead of calling
2660         find_many_sub_basic_blocks.
2661
2662         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
2663         on the new basic block.  Add a lengthy comment explaining why we
2664         thought this was necessary.
2665         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
2666
2667 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
2668
2669         PR c++/30924
2670         * tree.c (walk_type_fields): Recurse into the element type of
2671         ARRAY_TYPEs if there is a pointer set.
2672
2673 2007-03-10  Dirk Mueller  <dmueller@suse.de>
2674
2675         * c-common.c (warn_logical_operator): Fix condition.
2676
2677 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
2678
2679         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
2680         quotation mark.
2681         * config/darwin.c (machopic_select_section): Remove superfluous
2682         argument in call to categorize_decl_for_section.  Remove unused
2683         variable shlib.
2684
2685 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
2686
2687         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
2688         defined.
2689         * configure: Regenerate.
2690
2691 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
2692
2693         PR target/31101
2694         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
2695         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
2696         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
2697         Add LABEL_NUSES to emitted label.
2698         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
2699         branch probability value to emitted jump insn.
2700         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
2701         Do not check life information and do not re-arrange input operands
2702         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
2703
2704 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2705
2706         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
2707         the change of decode_asm_operands.
2708
2709 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2710
2711         * mode-switching.c (create_pre_exit): Skip blockage insn.
2712
2713 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
2714
2715         * tree-pass.h (TODO_update_smt_usage): Remove.
2716         Update all users.
2717         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
2718         argument SOME.
2719         Update all users.
2720
2721 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2722
2723         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
2724         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
2725         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
2726         SOM target.
2727
2728 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
2729
2730         * gcc.c: Document %{, in big comment at top.
2731         (input_suffix_matches): Remove special handling for .s and
2732         .S.
2733         (input_spec_matches): New.
2734         (handle_braces): Handle %{,.
2735         (validate_switches): ',' indicates a value which is not a switch.
2736         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
2737         to detect assembler input.
2738         * config/i386/sol2.h (CPP_SPEC): Likewise.
2739         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
2740         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2741         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
2742         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
2743         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
2744         -m64 causes deployment target to default to 10.5.
2745         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
2746
2747 2007-03-09  Richard Henderson  <rth@redhat.com>
2748
2749         PR target/26090
2750         * target.h (targetm.asm.out.reloc_rw_mask): New.
2751         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
2752         (TARGET_ASM_OUT): Use it.
2753         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
2754         * varasm.c (categorize_decl_for_section): Remove shlib argument;
2755         use the new reloc_rw_mask target hook instead.
2756         (default_section_type_flags_1): Merge into...
2757         (default_section_type_flags): ... here.
2758         (decl_readonly_section_1): Merge into...
2759         (decl_readonly_section): ... here.
2760         (default_elf_select_section_1): Merge into...
2761         (default_elf_select_section): ... here.
2762         (default_unique_section_1): Merge into...
2763         (default_unique_section): ... here.
2764         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
2765         (default_select_rtx_section): Use it.
2766         (default_elf_select_rtx_section): Likewise.
2767         * output.h: Update to match.
2768         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
2769         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
2770         (TARGET_ASM_RELOC_RW_MASK): New.
2771         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
2772         to categorize_decl_for_section.
2773         (x86_64_elf_unique_section): Likewise.
2774         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
2775         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
2776         (TARGET_ASM_RELOC_RW_MASK): New.
2777         * config/ia64/ia64.c (ia64_rwreloc_select_section,
2778         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
2779         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
2780         (TARGET_RWRELOC): Remove.
2781         (ia64_section_type_flags): Adjust call to default_section_type_flags.
2782         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
2783         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
2784         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
2785         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
2786         (rs6000_xcoff_select_section): Use decl_readonly_section.
2787         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
2788         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
2789         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
2790         (TARGET_SECTION_TYPE_FLAGS): Remove.
2791         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
2792
2793 2007-03-09  Roger Sayle  <roger@eyesopen.com>
2794
2795         * fold-const.c (fold_comparison): Remove compile-time evaluation of
2796         complex constant equality/inequality comparisons for here.
2797         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
2798         known at compile-time or can be simplified to a scalar comparison.
2799         (fold_relational_const): Move compile-time evaluation of complex
2800         constant equality/inequality comparisons to here.
2801
2802 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2803
2804         PR rtl-optimization/30643
2805         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
2806         dest_addr_elt.
2807         (fold_rtx): Recurse, like before 2006-11-03.
2808
2809 2007-03-09  DJ Delorie  <dj@redhat.com>
2810
2811         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
2812         m32c-pragma.o.
2813
2814 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
2815
2816         PR tree-optimization/30375
2817         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
2818         LHS of statements is not the same.
2819         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
2820
2821 2007-03-09  Chao-ying Fu  <fu@mips.com>
2822
2823         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
2824         REV 2.
2825         * doc/invoke.texi (-mdspr2): Document new option.
2826         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
2827         New unspec for DSP REV 2.
2828         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
2829         these instructions are extended in DSP REV 2.
2830         (mips-dspr2.md): Include.
2831         * config/mips/mips.opt (mdspr2): New option.
2832         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
2833         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
2834         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
2835         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
2836         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
2837         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
2838         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
2839         and 2 builtins.
2840         (bdesc_map): Add one field of unsupported_target_flags.
2841         (bdesc_arrays):  Update entries to have extra fields.  Add
2842         dsp_32only_bdesc.
2843         (mips_init_builtins): Initialize new function types.
2844         Check unsupported_target_fileds to filter out builtins.
2845         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
2846         TARGET_DSPR2.
2847         (ASM_SPEC): Pass mdspr2 to the assembler.
2848         * config/mips/mips-dspr2.md: New file.
2849
2850 2007-03-09  Sa Liu  <saliu@de.ibm.com>
2851
2852         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
2853
2854 2007-03-09  Ian Lance Taylor  <iant@google.com>
2855
2856         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
2857         argument) like -Wstrict-overflow=2.
2858         * doc/invoke.texi (Warning Options): Update documentation.
2859
2860 2007-03-09  Dirk Mueller  <dmueller@suse.de>
2861
2862         PR c++/17946
2863         * doc/invoke.texi (-Wlogical-op): Document.
2864         * common.opt (-Wlogical-op): New.
2865         * c-common.h (warn_logical_operator): Declare.
2866         * c-common.c (warn_logical_operator): Define.
2867         * c-typeck.c (parser_build_binary_op): Call
2868         warn_logical_operator.
2869
2870 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2871
2872         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
2873         * final.c (final_scan_insn): Test for non-"" file name.
2874
2875 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
2876
2877         * doc/loop.texi: Document the Omega linear constraints solver.
2878         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
2879         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
2880         omega-hash-table-size, omega-max-keys, and
2881         omega-eliminate-redundant-constraints.
2882         * tree-pass.h (pass_check_data_deps): Declared.
2883         * omega.c: New.
2884         * omega.h: New.
2885         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
2886         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
2887         pass_check_data_deps): New.
2888         * tree-data-ref.c (init_data_ref): Remove declaration.
2889         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
2890         (analyze_array): Renamed init_array_ref, move up initializations.
2891         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
2892         Removed arguments that are set to NULL.
2893         (analyze_indirect_ref): Correct indentation, correct call to
2894         init_pointer_ref.
2895         (object_analysis): Call init_array_ref instead of analyze_array.
2896         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
2897         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
2898         of DR_ACCESS_FNS_ADDR.
2899         (init_omega_eq_with_af, omega_extract_distance_vectors,
2900         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
2901         ddr_consistent_p): New.
2902         (compute_affine_dependence): Check consistency of ddrs when
2903         flag_check_data_deps is passed.
2904         (analyze_all_data_dependences): Uncomment.
2905         (tree_check_data_deps): New.
2906         * tree-data-ref.h: Include omega.h.
2907         (DR_ACCESS_FNS_ADDR): Removed.
2908         (data_dependence_relation): Add inner_loop.
2909         (DDR_INNER_LOOP): New.
2910         * common.opt (fcheck-data-deps): New.
2911         * tree-flow.h (tree_check_data_deps): Declare.
2912         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
2913         (OBJS-common): Depend on omega.o.
2914         (omega.o): Define.
2915         * passes.c (pass_check_data_deps): Scheduled.
2916         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
2917         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
2918         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
2919         PARAM_VECT_MAX_VERSION_CHECKS,
2920         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
2921
2922 2007-03-09  Richard Guenther  <rguenther@suse.de>
2923
2924         PR tree-optimization/30904
2925         PR middle-end/31058
2926         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
2927         the same way as *_DIV_EXPR.
2928
2929 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2930
2931         * recog.c (decode_asm_operands): No mixed declarations and code.
2932
2933 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2934
2935         * rtl.def (ASM_INPUT): Add location.
2936         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
2937         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
2938         (decode_asm_operands): Add loc operand.
2939         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
2940         * stmt.c (expand_asm): Rename to...
2941         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
2942         gen_rtx_ASM_INPUT_loc.
2943         (expand_asm_expr): Adjust.
2944         * recog.c (decode_asm_operands): Add loc operand.
2945         (check_asm_operands, extract_insn): Adjust.
2946         * reload1.c (maybe_fix_stack_asms): Likewise.
2947         * final.c (asm_insn_count): Likewise.
2948         (final_scan_insn): Output # line before and after asm.
2949
2950 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
2951
2952         * tree-ssa-structalias.c (variable_info): Remove
2953         finished_solution.
2954         (new_var_info): Ditto.
2955         (shared_bitmap_info_t): New structure.
2956         (shared_bitmap_table): New variable.
2957         (shared_bitmap_hash): New function.
2958         (shared_bitmap_eq): Ditto
2959         (shared_bitmap_lookup): Ditto.
2960         (shared_bitmap_add): Ditto.
2961         (merge_smts_into): Change to take bitmap directly.
2962         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
2963         (init_alias_vars): Init shared bitmap hashtable.
2964         (delete_points_to_sets): Delete shared bitmap hashtable.
2965         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
2966         is_aliased removal as a change that was still necessary was
2967         deleted.
2968
2969 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
2970
2971         * config/i386/i386.h (override_options): Conditionally disable
2972         x86_sahf for 64bit targets only.
2973
2974 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2975
2976         PR C/31072
2977         * c-decl.c (merge_decls): Don't call make_var_volatile.
2978         * varasm.c (make_var_volatile): Remove.
2979         * output.h (make_var_volatile): Remove.
2980
2981 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
2982
2983         PR tree-optimization/31085
2984         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
2985
2986 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2987
2988         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
2989         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
2990         ATTR_CONST_NOTHROW_LIST.
2991
2992         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
2993         FIX_TRUNC_EXPR.
2994
2995 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
2996
2997         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
2998
2999 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
3000
3001         PR 31013
3002         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
3003         is declared.
3004         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
3005         passed, use shared libgcc.
3006
3007 2007-03-08  Roger Sayle  <roger@eyesopen.com>
3008
3009         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
3010         instead of calling build2 with a GIMPLE_MODIFY_STMT.
3011         (honor_protect_cleanup_actions, lower_try_finally_switch):
3012         Likewise.
3013         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
3014         ifc_temp_var): Likewise.
3015         * tree-inline.c (setup_one_parameter): Likewise.
3016         * tree-mudflap.c (mf_decl_cache_locals,
3017         mf_build_check_statement_for): Likewise.
3018         * tree-nested.c (init_tmp_var, save_tmp_var,
3019         finalize_nesting_tree_1): Likewise.
3020         * tree-outof-ssa.c (insert_copy_on_edge,
3021         insert_backedge_copies): Likewise.
3022         * tree-profile.c (tree_gen_edge_profiler,
3023         tree_gen_ic_profiler): Likewise.
3024         * tree-scalar-evolution.c (scev_const_prop): Likewise.
3025         * tree-sra.c (sra_build_assignment): Likewise.
3026         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
3027         * tree-ssa-math-opts.c (insert_reciprocals,
3028         execute_cse_sincos_1): Likewise.
3029         * tree-tailcall.c (adjust_accumulator_values,
3030         adjust_return_value): Likewise.
3031         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
3032         * tree-vect-transform.c (vect_create_data_ref_ptr,
3033         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
3034         vect_create_epilog_for_reduction, vectorizable_reduction,
3035         vectorizable_call, vectorizable_conversion,
3036         vectorizable_assignment, vectorizable_operation,
3037         vectorizable_type_demotion, vect_gen_widened_results_half,
3038         vect_permute_store_chain, vectorizable_store,
3039         vect_setup_realignment, vect_permute_load_chain,
3040         vectorizable_load, vectorizable_condition,
3041         vect_create_cond_for_align_checks): Likewise.
3042         * tree-vrp.c (build_assert_expr_for): Likewise.
3043
3044 2007-03-08  Ian Lance Taylor  <iant@google.com>
3045
3046         * tree-vrp.c: Include "intl.h".
3047         (usable_range_p): New static function.
3048         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
3049         overflowed values, juts set *strict_overflow_p.
3050         (compare_values): Only return -2 if one of the operands is not a
3051         constant.
3052         (compare_ranges): Call usable_range_p.
3053         (compare_range_with_value): Likewise.
3054         (vrp_evaluate_conditional_warnv): Rename from
3055         vrp_evaluate_conditional.  Make static.  Change all callers.
3056         (vrp_evaluate_conditional): New function.
3057         (simplify_div_or_mod_using_ranges): Issue warning about reliance
3058         on signed overflow.
3059         (simplify_abs_using_ranges): Likewise.
3060         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
3061         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
3062         within_stmt parameter.
3063         * tree-ssa-propagate.c (fold_predicate_in): Update call to
3064         vrp_evaluate_conditional.
3065         * tree-ssa-threadedge.c
3066         (record_temporary_equivalences_from_stmts_at_dest): Change
3067         simplify parameter to take a second tree parameter.
3068         (simplify_control_stmt_condition): Likewise.
3069         (thread_across_edge): Likewise.
3070         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
3071         (thread_across_edge): Likewise.
3072         * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
3073
3074 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
3075
3076         * config/i386/i386.h (TARGET_SAHF): New define.
3077         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
3078         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
3079         (x86_sahf): New global variable.
3080         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
3081         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
3082         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
3083         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
3084         for 64-bit.
3085         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
3086         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
3087         when expanding fcomi/sahf based tests.
3088         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
3089         expanding sahf based alternative. Emit sahf based sequence when
3090         optimizing for code size.
3091         * config/i386/i386.md (x86_sahf_1): Do not disable for
3092         TARGET_64BIT, enable for TARGET_SAHF.
3093
3094 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
3095
3096         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
3097         spurious whitespace from error message.
3098
3099 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
3100
3101         PR c++/30852
3102         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
3103
3104 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
3105
3106         * c-decl.c (grokdeclarator): Disable warnings for anonymous
3107         bitfields.
3108         * tree-sra.c (instantiate_element): Propagate disabled warnings
3109         from the element itself to the created variable.
3110
3111 2007-03-07  Richard Henderson  <rth@redhat.com>
3112
3113         PR target/30848
3114         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
3115         silently fix up the stack in the case of a missing register.
3116
3117 2007-03-07  Paul Brook  <paul@codesourcery.com>
3118
3119         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
3120
3121 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
3122
3123         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
3124         New.
3125         (phase1_vrs): Use them.
3126         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
3127         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
3128         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
3129         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
3130         __gnu_Unwind_Restore_WMMXC if required.
3131         (_Unwind_VRS_Pop): Implement iWMMXt support.
3132         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
3133         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
3134         gnu_Unwind_Save_WMMXC): Define.
3135
3136 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
3137
3138         * config/vxworks.h (vxworks_override_options): Declare.
3139         (VXWORKS_OVERRIDE_OPTIONS): Use it.
3140         * config/vxworks.c: Include target.h and toplev.h.
3141         (vxworks_override_options): New function.
3142         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
3143
3144 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
3145
3146         * config/s390/s390.c (override_options): Don't emit an error when
3147         -mstack-size is used without providing -mstack-guard.
3148         (s390_emit_prologue): Choose stack_guard value automatically if not
3149         provided via command line.
3150         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
3151
3152 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
3153
3154         * config/i386/i386.c (output_set_got): Add a GOT initialization
3155         sequence for VxWorks PIC.
3156         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
3157         around labels as well as symbols.  Use gotoff_operand instead
3158         of local_symbolic_operand.
3159         (legitimize_pic_address): Use gotoff_operand instead of
3160         local_symbolic_operand.  Use @GOT accesses for labels as
3161         well as symbols.
3162         (ix86_output_addr_diff_elt): Use PC-relative rather than
3163         GP-relative offsets for VxWorks PIC.
3164         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
3165         no_new_pseudos.  Check whether the returned register is op0.
3166         * config/i386/i386.md (tablejump): Use PC-relative rather than
3167         GP-relative offsets for VxWorks PIC.
3168         * config/i386/predicates.md (gotoff_operand): New predicate.
3169
3170 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3171
3172         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
3173         before defining.
3174         * config/vxworks-dummy.h: New file.
3175         * config/i386/i386.h: Include it.
3176
3177 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
3178
3179         * dwarf2out.c (is_inlined_entry_point): New
3180         (add_high_low_attributes): Emit DW_AT_entry_pc along with
3181         DW_AT_ranges if the first subblock is the entry point.
3182
3183 2007-03-06  David Daney  <ddaney@avtrex.com>
3184
3185         * doc/install.texi (mips-*-*): Change recommended binutils
3186         version.
3187
3188 2007-03-06  Anatoly Sokolov <aesok@post.ru>
3189
3190         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
3191         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
3192         devices.
3193         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3194         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3195
3196 2007-03-06  Jan Hubicka  <jh@suse.cz>
3197
3198         * errors.h (warning, error, fatal, internal_error): Mark as cold.
3199         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
3200         are hot.
3201         (probably_cold_bb_p): Cold functions are cold.
3202         (probably_never_executed_bb_p): Cold functions are cold.
3203         (tree_bb_level_predictions): Predict calls to cold functions as not
3204         taken.
3205         (compute_function_frequency): Check hot/cold attributes.
3206         * function.h (function_frequency): Update comments.
3207         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
3208         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
3209         (c_common_att): Add cold and hot.
3210
3211         * doc/extend.texi (hot,cold attributes): Document.
3212
3213 2007-03-06  Andrew Haley  <aph@redhat.com>
3214
3215         * function.c (expand_function_end): Move blockage to just after we
3216         emit the label for the naked return from the function.
3217
3218 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3219
3220         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
3221         before redefining.
3222
3223 2007-03-06  Jan Hubicka  <jh@suse.cz>
3224
3225         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
3226         loaded for constant large models.  Non-large 64bit PIC can do.
3227         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
3228         * cmodel.h: Add LARGE PIC.
3229         * i386.md (UNSPEC_PLTOFF): New.
3230         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
3231         needed.
3232         (*call_1_rex64): Disable for large models.
3233         (*call_1_rex64_large): New.
3234         (*call_value_1_rex64): Disable for large models.
3235         (*call_value_1_rex64_large): New.
3236         (set_rip_rex4): New.
3237         (set_got_offset_rex64): New.
3238         * predicates.md (constant_call_address_operand): For large model
3239         constant calls are not possible.
3240         * i386-protos.h (construct_plt_address): Declare.
3241         * i386.c (override_options): Accept large models.
3242         (ix86_expand_prologue): Expand large PIC GOT pointer load.
3243         (legitimate_constant_p): Add new UNSPECs.
3244         (legitimate_pic_operand_p): Likewise.
3245         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
3246         (legitimize_pic_address): Do easy RIP relative way for TLS only for
3247         non-large model.
3248         (output_pic_addr_const): Add PLTOFF.
3249         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
3250         (ix86_expand_move): Legitimize pic address when in PIC mode.
3251         (construct_plt_address): New function.
3252         (ix86_expand_call): Offload the address to register and use GOT pointer
3253         for large model.
3254         * invoke.texi (mcmodel=large): Update documentation.
3255
3256 2007-03-06  Richard Henderson  <rth@redhat.com>
3257
3258         * config/i386/i386.c (x86_use_leave, x86_push_memory,
3259         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
3260         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
3261         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
3262         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
3263         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
3264         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
3265         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
3266         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
3267         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3268         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3269         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
3270         x86_sse_partial_reg_dependency, x86_sse_split_regs,
3271         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
3272         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
3273         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
3274         x86_schedule, x86_use_bt, x86_pad_returns,
3275         x86_use_xchgb): Merge into ...
3276         (ix86_tune_features): ... here.  New array.
3277         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
3278         x86_bswap): Merge into ...
3279         (ix86_arch_features): ... here.  New array.
3280         (x86_3dnow_a): Remove.
3281         (x86_accumulate_outgoing_args): Make static.
3282         (x86_arch_always_fancy_math_387): Make static.
3283         (ix86_tune_mask, ix86_arch_mask): Move ...
3284         (override_options): ... to local variables here.  Apply the
3285         appropriate mask to each element of ix86_arch_features and
3286         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
3287         as were done in the old macros.
3288         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
3289         * config/i386/i386.h (x86_use_leave, x86_push_memory,
3290         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
3291         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
3292         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
3293         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
3294         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
3295         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
3296         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
3297         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
3298         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
3299         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3300         x86_accumulate_outgoing_args, x86_prologue_using_move,
3301         x86_epilogue_using_move, x86_decompose_lea,
3302         x86_arch_always_fancy_math_387, x86_shift1,
3303         x86_sse_partial_reg_dependency, x86_sse_split_regs,
3304         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
3305         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
3306         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
3307         x86_use_incdec, x86_pad_returns, x86_bswap,
3308         x86_partial_flag_reg_stall): Remove.
3309         (enum ix86_tune_indices): New.
3310         (ix86_tune_features): New.
3311         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
3312         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
3313         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
3314         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
3315         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
3316         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
3317         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
3318         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
3319         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
3320         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
3321         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
3322         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
3323         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
3324         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
3325         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
3326         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
3327         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
3328         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
3329         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
3330         TARGET_EXT_80387_CONSTANTS): Use it.
3331         (enum ix86_arch_indices): New.
3332         (ix86_arch_features): New.
3333         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
3334         TARGET_BSWAP): Use it.
3335         (ix86_tune_mask, ix86_arch_mask): Remove.
3336
3337 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
3338
3339         PR bootstrap/31020
3340         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
3341         Define using $${sysroot_headers_suffix}.
3342         * configure: Regenerate.
3343         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
3344         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
3345         defined.
3346         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
3347         * gcc.c (print_sysroot_headers_suffix): New.
3348         (option_map): Include --print-sysroot-headers-suffix.
3349         (display_help): Mention -print-sysroot-headers-suffix.
3350         (process_command): Handle -print-sysroot-headers-suffix.
3351         (do_spec_1): Append multilib directory to include-fixed path if
3352         sysroot suffixes in use.
3353         (main): Handle -print-sysroot-headers-suffix.
3354         * Makefile.in (start.encap): Don't depend on xlimits.h
3355         (xlimits.h): Remove.
3356         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
3357         limits.h for each multilib in fixinc_list.
3358         (fixinc_list, s-fixinc_list): New.
3359         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
3360         generate them for each multilib in fixinc_list.
3361         (stmp-fixproto): Use include-fixed.  Run fixproto for each
3362         multilib in fixinc_list.
3363         (mostlyclean): Don't remove xlimits.h.
3364         (clean): Remove include-fixed.
3365         (real-install-headers-tar, real-install-headers-cpio,
3366         real-install-headers-cp): Don't copy include, only include-fixed.
3367         (install-mkheaders): Depend on fixinc_list.  Don't depend on
3368         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
3369         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
3370         SYSTEM_HEADER_DIR setting in mkheaders.conf.
3371
3372 2007-03-06  Jan Hubicka  <jh@suse.cz>
3373
3374         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
3375         NANs easilly.
3376
3377 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3378
3379         * configure.ac: Allow tm_file to contain build-directory files.
3380         * configure: Regenerate.
3381         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
3382         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
3383         * config/m68k/print-sysroot-suffix.sh: New file.
3384
3385 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3386
3387         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
3388         of pic_offset_table_rtx if reload_completed.
3389         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
3390         PIC_OFFSET_TABLE_REGNUM.
3391         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
3392         return true.
3393         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
3394         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
3395
3396 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3397
3398         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
3399         functions that call eh_return.
3400
3401 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3402
3403         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
3404         functions that need a constant pool.
3405
3406 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3407
3408         PR target/28181
3409         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
3410         (m68k_preferred_reload_class): Likewise.
3411         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
3412         (SECONDARY_RELOAD_CLASS): Define.
3413         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
3414         (LIMIT_RELOAD_CLASS): Delete.
3415         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
3416         registers from storing bytes.
3417         (m68k_secondary_reload_class): New function.
3418         (m68k_preferred_reload_class): Likewise.
3419
3420 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3421
3422         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
3423         leaf functions.
3424         (m68k_expand_prologue): Likewise.
3425
3426 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3427
3428         * config/m68k/m68k-protos.h (output_sibcall): Declare.
3429         (mips_expand_epilogue): Add a bool parameter.
3430         (m68k_legitimize_sibcall_address): Declare.
3431         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
3432         (m68k_expand_epilogue): Add a parameter to select between sibling
3433         and normal epilogues.  Only generate a return for the latter.
3434         (m68k_ok_for_sibcall_p): New function.
3435         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
3436         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
3437         (sibcall_value, *sibcall_value): Likewise.
3438         (*call, *call_value): Require !SIBLING_CALL_P.
3439         (epilogue): Update call to m68k_expand_epilogue.
3440         (sibcall_epilogue): New pattern.
3441         * config/m68k/predicates.md (const_call_operand): Say that this
3442         predicate applies to sibling calls too.
3443         (sibcall_operand): New predicate.
3444
3445 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3446
3447         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
3448         alternatives as movsi_cf.
3449         (movsf_cf_hard): Add commentary.
3450
3451 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
3452             Richard Sandiford  <richard@codesourcery.com>
3453
3454         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
3455         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
3456         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
3457         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
3458         as being live on exit from an interrupt function.
3459         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
3460         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
3461         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
3462         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
3463         (m68k_interrupt_function_p): Globalize.
3464         (m68k_compute_frame_layout): Remove reverse mask code.
3465         (m68k_emit_movem, m68k_set_frame_related): New functions.
3466         (m68k_output_function_prologue): Delete in favor of...
3467         (m68k_expand_prologue): ...this new function.
3468         (m68k_output_function_epilogue): Delete in favor of...
3469         (m68k_expand_epilogue): ...this new function.
3470         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
3471         functions.
3472         (print_operand): Handle %?.
3473         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
3474         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
3475         (prologue, epilogue): New patterns.
3476         (return): Turn into a define_expand.
3477         (*return): New pattern, derived from old "return" pattern.  Use rte
3478         rather than rts for interrupt functions.  Only use rtd if the pop
3479         count is nonzero.
3480         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
3481         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
3482         (link, *link, unlink, *unlink, load_got): Likewise.
3483
3484 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3485
3486         PR target/23482
3487         PR target/17114
3488         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
3489         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
3490         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
3491         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
3492         and m68k_matches_u_p.
3493         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
3494         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
3495         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
3496         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
3497         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
3498         (REG_STRICT_P): New macro.
3499         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
3500         PCREL_GENERAL_OPERAND_OK.
3501         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
3502         m68k_legitimate_base_reg_p.
3503         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
3504         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
3505         (PIC_CASE_VECTOR_ADDRESS): Update comment.
3506         * config/m68k/m68k.c (m68k_address): New structure.
3507         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
3508         (m68k_decompose_index, m68k_legitimate_constant_address_p)
3509         (m68k_jump_table_ref_p, m68k_decompose_address)
3510         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
3511         (m68k_matches_u_p): New functions.
3512         (print_operand_address): Rewrite to use m68k_decompose_index.
3513
3514 2007-03-05  David Taylor  <dtaylor@emc.com>
3515
3516         * gcc.c: Correct copyright date in --version output.
3517
3518 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3519
3520         * pa.md: In unamed move patterns, disparge copies between general
3521         and floating point registers using '?' modifier.  Don't include 'f'
3522         constraint for register preferences in DImode, SImode, HImode and
3523         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
3524         Remove constraints for copies between general and floating registers
3525         in soft-float DFmode pattern.
3526         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
3527         floating register.
3528         (movsf): Likewise.
3529
3530 2007-03-05  Mike Stump  <mrs@apple.com>
3531
3532         * c-common.c (targetcm): Add.
3533         * c-opts.c (c_common_handle_option): Handle language specific
3534         target options.
3535         * opts.c (handle_option): Verify language for target options, if
3536         any are given.
3537         * opth-gen.awk: Add CL_LANG_ALL.
3538         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
3539         (TARGETCM_INITIALIZER): Add.
3540         * target.h (struct gcc_targetcm): Add.
3541         (targetcm): Add.
3542         * targhooks.c (default_handle_c_option): Add.
3543         * targhooks.h (default_handle_c_option): Add.
3544         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
3545
3546         * config/darwin.opt (iframework): Add.
3547         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
3548         * config/darwin-c.c (handle_c_option): Add.
3549         (TARGET_HANDLE_C_OPTION): Add.
3550         (targetcm): Add.
3551         * doc/invoke.texi (Darwin Options): Add -iframework.
3552
3553 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3554
3555         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
3556         conversion.
3557
3558 2007-03-05  Ian Lance Taylor  <iant@google.com>
3559
3560         * c.opt (fgnu89-inline): New option.
3561         * c-opts.c (c_common_post_options): Set default value for
3562         flag_gnu89_inline.
3563         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
3564         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
3565         inline functions.
3566         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
3567         (grokdeclarator, start_function): Likewise.
3568         * c-cppbuiltin.c (c_cpp_builtins): Define either
3569         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
3570         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
3571         (C Dialect Options): Document -fgnu89-inline.
3572         * doc/extend.texi (Function Attributes): Explain what the
3573         gnu_inline attribute does.
3574         * doc/cpp.texi (Common Predefined Macros): Document
3575         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
3576
3577 2007-03-05  Ian Lance Taylor  <iant@google.com>
3578
3579         PR tree-optimization/31034
3580         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
3581         half-range if the other side is an overflow infinity.
3582
3583 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3584
3585         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
3586         (bfin*-linux-uclibc*): New configuration.
3587         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
3588         defining.
3589         * config/bfin/linux.h: New file.
3590         * config/bfin/libgcc-bfin.ver: New file.
3591         * config/bfin/t-bfin-uclinux: New file.
3592         * config/bfin/t-bfin-linux: New file.
3593         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
3594         (TARGET_OS_CPP_BUILTINS): New macro.
3595
3596 2007-03-05  Richard Guenther  <rguenther@suse.de>
3597
3598         * fold-const.c (fold_binary): Remove duplicate folding
3599         of comparison of non-null ADDR_EXPR against null.
3600
3601 2007-03-05  Richard Guenther  <rguenther@suse.de>
3602             Dorit Nuzman  <dorit@il.ibm.com>
3603
3604         PR tree-optimization/26420
3605         * tree-vectorizer.c (vectorize_loops): Bail out early if there
3606         are no loops in the function.  Only print the number of
3607         vectorized loops if it is greater than zero or we are supposed
3608         to print information about unvectorized loops.
3609
3610 2007-03-05  Revital Eres  <eres@il.ibm.com>
3611
3612         * gcc.dg/var-expand1.c: New test.
3613         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
3614         when an accumulator is expanded.
3615
3616 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3617
3618         PR other/30465
3619         * c-common.c (convert_and_check): Don't give warnings for
3620         conversion if 'expr' already overflowed.
3621
3622 2007-03-04  Roger Sayle  <roger@eyesopen.com>
3623
3624         PR middle-end/30744
3625         * fold-const.c (fold_comparison): Enforce type consistency when
3626         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
3627
3628 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
3629
3630         * tree-ssa-address.c (create_mem_ref): Do not put an expression
3631         containing a cast to the base of TARGET_MEM_REF.
3632
3633 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
3634
3635         * tree.c (tree_contains_struct_check_failed): Remove spurious
3636         whitespace from error message.
3637
3638 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
3639
3640         PR target/30406
3641         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
3642         instead of precision.
3643
3644 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
3645             Nathan Sidwell  <nathan@codesourcery.com>
3646
3647         * emit-rtl.c (find_auto_inc): New.
3648         (try_split): recreate REG_INC notes,
3649         Use regular for loops rather than whiles.
3650
3651 2007-03-03  Andreas Schwab  <schwab@suse.de>
3652
3653         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
3654         * configure: Regenerate.
3655
3656 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3657
3658         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
3659         flag_rounding_math, not flag_unsafe_math_optimizations.
3660
3661         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
3662         fold_build2.
3663         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
3664         alpha_fold_vector_minmax): Likewise.
3665         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
3666         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
3667
3668 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
3669
3670         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
3671         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
3672         if the lhs has side-effects.
3673         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
3674
3675 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3676
3677         * config/i386/i386.h (TUNEMASK): Remove define.
3678         (ARCHMASK): Remove define.
3679         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
3680          Use ix86_arch_mask variable instead of ARCHMASK.
3681         * config/i386/i386.c (override_options): Ditto.
3682         (standard_80387_constant_p): Ditto.
3683
3684 2007-03-02  Ian Lance Taylor  <iant@google.com>
3685
3686         Used signed infinities in VRP.
3687         * tree-vrp.c (uses_overflow_infinity): New static function.
3688         (supports_overflow_infinity): New static function.
3689         (make_overflow_infinity): New static function.
3690         (negative_overflow_infinity): New static function.
3691         (positive_overflow_infinity): New static function.
3692         (is_negative_overflow_infinity): New static function.
3693         (is_positive_overflow_infinity): New static function.
3694         (is_overflow_infinity): New static function.
3695         (overflow_infinity_range_p): New static function.
3696         (compare_values_warnv): New function split out of compare_values.
3697         (compare_value): Call it.
3698         (set_value_range_to_nonnegative): Add overflow_infinity
3699         parameter.  Change caller.
3700         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
3701         Change callers.
3702         (vrp_expr_computes_nonzero): Likewise.
3703         (compare_ranges, compare_range_with_value): Likewise.
3704         (compare_name_with_value, compare_names): Likewise.
3705         (vrp_evaluate_conditional): Likewise.
3706         (set_value_range): Handle infinity
3707         (vrp_operand_equal_p, operand_less_p): Likewise.
3708         (extract_range_from_assert): Likewise.
3709         (vrp_int_const_binop): Likewise.
3710         (extract_range_from_binary_expr): Likewise.
3711         (extract_range_from_unary_expr): Likewise.
3712         (extract_range_from_comparison): Likewise.
3713         (extract_range_from_expr): Likewise.
3714         (dump_value_range): Likewise.
3715         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
3716         (test_for_singularity): Likewise.
3717         (vrp_int_const_binop): Remove inline qualifier.
3718         (adjust_range_with_scev): Add comment.
3719         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
3720
3721 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
3722
3723         * tree-ssa-structalias.c (could_have_pointers): Tidy.
3724         (get_constraint_for): Likewise.
3725         (do_structure_copy): Likewise.
3726         (find_func_aliases): Fix references to MODIFY_EXPR.
3727         (intra_create_variable_infos): Tidy.
3728         * tree-ssa-operands.c (add_virtual_operand): Add argument
3729         IS_CALL_SITE.
3730         When adding members of alias sets, if IS_CALL_SITE is true and
3731         the symbol is not call-clobbered, skip it.
3732         Adjust all callers.
3733
3734 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
3735
3736         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
3737         entry by means of emit_insn_at_entry.
3738
3739 2007-03-02  Richard Henderson  <rth@redhat.com>
3740
3741         * expr.h (promoted_input_arg): Remove decl.
3742         * function.c (promoted_input_arg): Merge into ...
3743         * combine.c (setup_incoming_promotions): ... only caller.
3744         Rearrange to avoid double loop.
3745
3746 2007-03-02  Ben Elliston  <bje@au.ibm.com>
3747             Peter Bergner  <bergner@vnet.ibm.com>
3748             Janis Johnson  <janis187@us.ibm.com>
3749
3750         * config/rs6000/dfp.md: New file.
3751         * config/rs6000/rs6000.md: Include dfp.md.
3752         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
3753         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
3754         and TDmode decimal float modes in FP registers.
3755         (num_insns_constant): Likewise.
3756         (rs6000_legitimate_offset_address_p): Likewise.
3757         (rs6000_legitimize_address): Likewise.
3758         (rs6000_legitimize_reload_address): Likewise.
3759         (rs6000_legitimate_address): Likewise.
3760         (rs6000_emit_move): Likewise.
3761         (function_arg_boundary): Likewise.
3762         (function_arg_advance): Likewise.
3763         (rs6000_darwin64_record_arg_recurse): Likewise.
3764         (function_arg): Likewise.
3765         (rs6000_gimplify_va_arg): Likewise.
3766         (rs6000_split_multireg_move): Likewise.
3767         (rs6000_output_function_epilogue): Likewise.
3768         (rs6000_output_function_epilogue): Likewise.
3769         (rs6000_register_move_cost): Likewise.
3770         (rs6000_function_value): Likewise.
3771         (rs6000_libcall_value): Likewise.
3772
3773 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
3774
3775         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
3776
3777 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
3778
3779         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
3780         Use $MULTIDIR to choose between the kernel and RTP headers,
3781         and use $WIND_BASE and $WIND_USR to locate them.
3782
3783 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3784
3785         * config/i386/i386.c (override_options): Put initialization of
3786         ix86_tune_mask and ix86_arch_mask to the correct place.
3787
3788 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3789             Michael Meissner  <michael.meissner@amd.com>
3790
3791         PR target/31019
3792         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
3793         (ARCHMASK): Define.
3794         (TARGET_CMOVE): Use ARCHMASK.
3795         (TARGET_CMPXCHG): Ditto.
3796         (TARGET_CMPXCHG8B): Ditto.
3797         (TARGET_XADD): Ditto.
3798         (TARGET_BSWAP): Ditto.
3799         * config/i386/i386.c (ix86_tune_mask): New global variable.
3800         (ix86_arch_mask): Ditto.
3801         (override_options): Initialize ix86_tune_mask and
3802         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
3803         target_flags.
3804
3805 2007-03-02  Ben Elliston  <bje@au.ibm.com>
3806
3807         PR 30992
3808         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
3809
3810 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
3811
3812         * target.h (init_dwarf_reg_sizes_extra): New target hook.
3813         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
3814         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
3815         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
3816         hook.
3817         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
3818         rs6000_init_dwarf_reg_sizes_extra): New.
3819         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
3820         SPE register high parts.
3821
3822 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
3823
3824         * Makefile.in: Add install-pdf target as
3825         copied from automake v1.10 rules.
3826         * configure.ac: Add install-pdf to target list.
3827         * configure: Regenerate.
3828
3829 2007-03-01  Paul Brook  <paul@codesourcery.com>
3830
3831         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
3832         modes to LDRD for DImode.
3833         (output_move_double): Fixup out of range ldrd/strd.
3834         (vfp_secondary_reload_class): Rename...
3835         (coproc_secondary_reload_class): ... to this.  Add wb argument.
3836         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
3837         coproc_secondary_reload_class for CLASS_IWMMXT.
3838         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
3839         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
3840
3841 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
3842
3843         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
3844         factor by the estimated number of iterations.
3845         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
3846         prefetch latency.
3847
3848         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
3849         decode_caches_intel, detect_caches_intel): New functions.
3850         (host_detect_local_cpu): Use detect_caches_amd and
3851         detect_caches_intel.
3852
3853 2007-03-01  Richard Henderson  <rth@redhat.com>
3854
3855         * expr.c (emit_move_complex_push): Export.
3856         (emit_move_complex_parts): Split out from ...
3857         (emit_move_complex): ... here.
3858         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
3859         * config/i386/i386.md (movcdi): New.
3860
3861 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
3862
3863         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
3864         size of mode1 to check for tieable modes in MMX case.
3865
3866 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
3867
3868         * Makefile.in (rtlanal.o): Depend on tree.h.
3869         * rtl.h (offset_within_section_p, split_const): Declare.
3870         * rtlanal.c: Include tree.h.
3871         (offset_within_block_p): New function, taken from
3872         mips_offset_within_object_p.
3873         (split_const): New function, taken from mips_split_const.
3874         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
3875         Declare.
3876         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
3877         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
3878         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
3879         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
3880         (m68k_illegitimate_symbolic_constant_p): New function.
3881         * config/m68k/m68k.md (movsi): Remove misleading predicates.
3882         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
3883         symbolic constant that might be outside the symbol's section,
3884         move the symbol first and then add the offset.
3885         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
3886         Override.
3887         * config/mips/mips.c (mips_split_const): Delete.
3888         (mips_offset_within_object_p): Delete.
3889         (mips_symbolic_constant_p): Use offset_within_section_p and
3890         split_const instead of mips_offset_within_object_p and
3891         mips_split_const.
3892         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
3893         (mips_legitimize_const_move, print_operand_reloc)
3894         (mips_dangerous_for_la25_p): Use split_const instead of
3895         mips_split_const.
3896
3897 2007-02-28  Eric Christopher  <echristo@apple.com>
3898
3899         * Makefile.in (install-include-dir): Don't rm -rf include.
3900
3901 2007-02-28  Richard Guenther  <rguenther@suse.de>
3902
3903         PR middle-end/30364
3904         * fold-const.c (fold_binary): Do not associate expressions
3905         with more than one variable for integer types that do not wrap.
3906
3907 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
3908
3909         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
3910         Delete, and replace with...
3911         (fold_builtin_call_array): This.  Update callers to use it.
3912         * fold-const.c (fold_build_call_list): Delete, and replace with...
3913         (fold_build_call_array): This.
3914         (fold_build_call_list_initializer): Delete, and replace with...
3915         (fold_build_call_array_initializer): This.
3916         * tree.h: Update declarations to reflect above changes.
3917
3918         * c-typeck.c (build_function_call): Store converted arguments
3919         in a stack-allocated array instead of building a list.
3920         (convert_arguments): Store arguments in the array passed in as an
3921         argument, and return the actual number of arguments.
3922         * c-format.c: (check_function_format): Pass arguments in an
3923         array instead of a list.
3924         * c-common.c (check_function_nonnull): Likewise.
3925         (check_function_sentinel): Likewise.
3926         (check_function_arguments): Likewise.
3927         * c-common.h: Update declarations to reflect above changes.
3928
3929 2007-02-28  Jan Hubicka  <jh@suse.cz>
3930
3931         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
3932         PRED_NEGATIVE_RETURN): Update outcomes.
3933
3934 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
3935
3936         * calls.c (emit_library_call_value_1): Handle partial registers
3937         correctly when building up CALL_INSN_FUNCTION_USAGE.
3938
3939 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3940
3941         * pa/predicates.md (move_src_operand): Allow zero for mode.
3942         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
3943         move pattern.
3944
3945 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
3946
3947         PR target/30970
3948         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
3949         *movv2df_internal): Enable pattern only for valid operand
3950         combinations.
3951         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
3952         tie only 128bit modes. For MMX registers, tie only 64bit modes.
3953
3954 2007-02-27  Mike Stump  <mrs@apple.com>
3955
3956         * config/darwin-crt3.c: Avoid compilation when compiling for a
3957         kext multilib.
3958
3959 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
3960
3961         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
3962         FIXED_INCLUDE_DIR.
3963         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
3964         for fixed headers and limits.h.
3965         (install-include-dir, install-headers-tar, install-headers-cpio,
3966         install-headers-cp, real-install-headers-tar,
3967         real-install-headers-cpio, real-install-headers-cp): Handle
3968         include-fixed as well as include.
3969         (install-mkheaders): Don't install files that go only in include
3970         not include-fixed.
3971         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
3972         from GCC_INCLUDE_DIR.
3973         * gcc.c (process_command): Remove special -BstageN/ handling.
3974         (do_spec_1): Add include-fixed directories.
3975
3976 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3977
3978         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
3979         _smulsi3_highpart.
3980         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
3981         New functions.
3982         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
3983         patterns.
3984
3985 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
3986
3987         * c-common.c (get_priority): Add check for
3988         SUPPORTS_INIT_PRIORITY.
3989
3990 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3991
3992         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
3993
3994         * config/bfin/bfin.c: Include "cfglayout.h".
3995         (MAX_LSETUP_DISTANCE): New macro.
3996         (struct loop_info): New members incoming, incoming_src and
3997         incoming_dest.  Delete member predecessor.
3998         (length_for_loop): New function.
3999         (bfin_optimize_loop): Handle more different loop structures.
4000         (bfin_discover_loop): Rework detection of predecessor blocks by
4001         examining incoming edges.
4002         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
4003         bfin_reorg_loops.
4004         (bfin_reorder_loops): New function.
4005         (bfin_reorg_loops): Use these three new functions.
4006
4007         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
4008         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
4009         (CONSTRAINT_LEN): Add entry for 'q'.
4010         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
4011         Add 'q' constraints.
4012         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
4013         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
4014
4015         * config/bfin/bfin.md (add_with_carry): New pattern.
4016         (s_or_u, su_optab, su_modifier): New code macros/attrs.
4017         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
4018         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
4019         support unsigned multiplies too.  Removed incorrect commutativity from
4020         operand 1 constraint where appropriate.
4021         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
4022         patterns.
4023         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
4024         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
4025         New patterns.
4026         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
4027         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
4028         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
4029         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
4030         usmulhisi_hh_huh): New patterns.
4031
4032         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
4033         lshifthi3): Fix output template to use half reg for operand 2.
4034
4035         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
4036         instead of R2.
4037
4038         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
4039
4040 2007-02-27  Andreas Schwab  <schwab@suse.de>
4041
4042         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
4043
4044 2007-02-27  Jan Hubicka  <jh@suse.cz>
4045
4046         * predict.c (last_basic_block_p): Remove.
4047         (tree_estimate_probability): Update return heuristic for commonized
4048         return blocks.
4049
4050 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
4051
4052         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
4053
4054 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
4055
4056         * doc/include/gcc-common.texi (versionsubtitle): New macro.
4057         * doc/cpp.texi: Standardize title page.
4058         * doc/cppinternals.texi: Likewise.
4059         * doc/gcc.texi: Standardize title page, remove version number
4060         from copyright page.
4061         * doc/gccint.texi: Likewise.
4062         * doc/install.texi: Standardize title page, add table of
4063         contents.
4064
4065 2007-02-26  Jan Hubicka  <jh@suse.cz>
4066
4067         * predict.def: Set outcomes according to more recent results.
4068         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
4069         Remove dead predictors.
4070         * predict.c (return_prediction): Fix pasto.
4071
4072 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4073
4074         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
4075         change; avoid a memory leak when returning early.
4076
4077 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
4078
4079         * c-decl.c (static_ctors): Move to c-common.c.
4080         (static_dtors): Likewise.
4081         (finish_function): Use c_record_cdtor_fn.
4082         (build_cdtor): Move to c-common.c.
4083         (c_write_global_declarations): Use c_build_cdtor_fns.
4084         * c-common.h (static_ctors): Declare.
4085         (static_dtors): Likewise.
4086         (c_record_cdtor_fn): Likewise.
4087         (c_build_cdtor_fns): Likewise.
4088         * c-common.c (static_ctors): New variable.
4089         (static_dtors): Likewise.
4090         (c_record_cdtor_fn): New function.
4091         (build_cdtor): Move from c-decl.c
4092         (c_build_cdtor_fns): New function.
4093
4094         * output.h (assemble_addr_to_section): Declare.
4095         (get_cdtor_priority_section): Likewise.
4096         * varasm.c (assemble_addr_to_section): New function.
4097         (get_cdtor_priority_section): Likewise.
4098         (default_named_section_asm_out_destructor): Use them.
4099         (destor_dtor_section_asm_out_destructor): Likewise.
4100         (default_named_section_asm_out_constructor): Likewise.
4101         (default_ctor_section_asm_out_constructor): Likewise.
4102         * config.gcc (*-*-vxworks*): Include vxworks.o.
4103         * config/t-vxworks (vxworks.o): New target.
4104         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
4105         (TARGET_ASM_CONSTRUCTOR): Define.
4106         (TARGET_ASM_DESTRUCTOR): Likewise.
4107         (vxworks_asm_out_constructor): Declare.
4108         (vxworks_asm_out_destructor): Likewise.
4109
4110         * c-common.c (get_priority): Check that we have not just an
4111         INTEGER_CST, but an integer constant with integeral type.
4112
4113 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
4114
4115         PR tree-optimization/30938
4116         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
4117         use &dt[nargs-1] instead of &dt[nargs] in the call to
4118         vect_is_simple_use().
4119
4120 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
4121
4122         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
4123         from register elimination as PRE_MODIFY / POST_MODIFY increments.
4124         Do not attempt to handle MEM inside auto-inc expressions.
4125         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
4126         of a register modified by an auto-inc expression.  However, do handle
4127         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
4128         (elimination_effects): Prohibit elimination of a register modified
4129         by an auto-inc expression.  Disable register elimination rules whose
4130         target register is modified by an auto-inc expression with variable
4131         increment.
4132
4133 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
4134
4135         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
4136         off-by-one error.
4137         (array_at_struct_end_p): New function.
4138         (idx_infer_loop_bounds): Use it.
4139         (estimate_numbers_of_iterations_loop): Export.
4140         * predict.c (predict_loops): Use estimated_loop_iterations_int.
4141         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
4142         (tree_estimate_probability): Call record_loop_exits.
4143         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
4144         (estimated_loop_iterations, estimated_loop_iterations_int,
4145         estimated_loop_iterations_tree): New functions.
4146         (analyze_siv_subscript_cst_affine,
4147         compute_overlap_steps_for_affine_1_2,
4148         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
4149         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
4150         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
4151         (PRED_LOOP_ITERATIONS_GUESSED): New.
4152         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
4153         * cfgloop.h (estimate_numbers_of_iterations_loop,
4154         estimated_loop_iterations_int): Declare.
4155
4156 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
4157
4158         * doc/extend.texi: Document optional priority argument to
4159         constructors and destructors.
4160         * tree.c (init_priority_for_decl): Adjust GTY markers.
4161         (init_ttree): Use priority-info hash functions for
4162         init_priority_for_decl.
4163         (tree_map_eq): Rename to ...
4164         (tree_map_base_eq): ... this.
4165         (tree_map_marked_p): Rename to ...
4166         (tree_map_base_marked_p): ... this.
4167         (tree_map_base_hash): New function.
4168         (decl_init_priority_lookup): Rework.
4169         (decl_fini_priority_lookup): New function.
4170         (decl_priority_info): New function.
4171         (decl_init_priority_insert): Use it.
4172         (decl_fini_priority_insert): Likewise.
4173         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
4174         hierarchy.
4175         (decl_restrict_base_insert): Likewise.
4176         (decl_debug_expr_insert): Likewise.
4177         (decl_value_expr_lookup): Likewise.
4178         (decl_value_expr_insert): Likewise.
4179         * tree.h (priority_type): New type.
4180         (decl_init_priority_lookup): Use priority_type.
4181         (decl_fini_priority_lookup): New function.
4182         (decl_init_priority_insert): Use priority_type.
4183         (decl_fini_priority_insert): New function.
4184         (DECL_HAS_INIT_PRIORITY): Tweak comments.
4185         (DECL_INIT_PRIORITY): Likewise.
4186         (SET_DECL_INIT_PRIORITY): Add comment.
4187         (DECL_FINI_PRIORITY): New macro.
4188         (SET_DECL_FINI_PRIORITY): Likewise.
4189         (DEFAULT_INIT_PRIORITY): Document.
4190         (MAX_INIT_PRIORITY): Likewise.
4191         (MAX_RESERVED_INIT_PRIORITY): Likewise.
4192         (tree_map_base): New type.
4193         (tree_map_base_eq): New function.
4194         (tree_map_base_hash): Likewise.
4195         (tree_map_base_marked_p): Likewise.
4196         (tree_map): Inherit from tree_map_base.
4197         (tree_map_eq): Make it a macro.
4198         (tree_map_marked_p): Likewise.
4199         (tree_int_map): Inherit from tree_map_base.
4200         (tree_int_map_eq): Make it a macro.
4201         (tree_int_map_hash): Likewise.
4202         (tree_int_map_marked_p): Likewise.
4203         (tree_priority_map): New type.
4204         (tree_priority_map_eq): New macro.
4205         (tree_priority_map_hash): Likewise.
4206         (tree_priority_map_marked_p): Likewise.
4207         * varasm.c (emults_decl): Adjust for refactoring of tree_map
4208         hierarchy.
4209         (emutls_common_1): Likewise.
4210         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
4211         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
4212         of tree_map hierarchy.
4213         * tree-cfg.c (move_stmt_r): Likewise.
4214         (new_label_mapper): Likewise.
4215         * c-tree.h (c_expand_body): Move to ...
4216         * c-common.h (c_expand_body): ... here.
4217         * c-decl.c (c_expand_body): Move to ...
4218         * c-common.c (c_expand_body): ... here.
4219         (c_common_attribute_table): Allow 1 argument for the constructor
4220         and destructor attributes.
4221         (get_priority): New function.
4222         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
4223         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
4224
4225 2007-02-24  Jan Hubicka  <jh@suse.cz>
4226
4227         PR middle-end/30509
4228         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
4229
4230 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
4231             Jan Hubicka  <jh@suse.cz>
4232
4233         PR target/30778
4234         * i386.c (counter_mode): New function.
4235         (expand_set_or_movmem_via_loop): Use it.
4236         (expand_movmem_epilogue): Likewise; fix pasto.
4237         (ix86_expand_movmem): Do emit guard even for constant counts.
4238         (ix86_expand_setmem): Likewise.
4239
4240 2007-02-25  Nick Clifton  <nickc@redhat.com>
4241
4242         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
4243         (JUMP_TABLES_IN_TEXT_SECTION): Define.
4244
4245 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
4246
4247         PR target/30770
4248         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
4249         count argument with 0x10, not with 0x16.
4250         (expand_setmem_epilogue): Ditto.
4251
4252 2007-02-24  Mike Stump  <mrs@apple.com>
4253
4254         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
4255         symbols.
4256
4257 2007-02-24  Richard Guenther  <rguenther@suse.de>
4258
4259         PR middle-end/30951
4260         * fold-const.c (fold_binary): Fold x +- CST op x for
4261         EQ_EXPR and NE_EXPR.
4262
4263 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4264
4265         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
4266
4267 2007-02-24  Jan Hubicka  <jh@suse.cz>
4268
4269         * cgraphunit.c (decide_is_function_needed): Honor
4270         -fkeep-inline-functions.
4271
4272 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4273
4274         * builtins.c (fold_builtin_modf): New.
4275         (fold_builtin_2): Use it.
4276
4277 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
4278
4279         * loop-iv.c (implies_p): Detect additional cases where A implies B.
4280         (determine_max_iter): Take additional LOOP arg; all callers changed.
4281         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
4282         one using simplifications.
4283         (simplify_using_initial_values): Return if the expression becomes
4284         invalid due to altered regs.
4285
4286 2007-02-23  DJ Delorie  <dj@redhat.com>
4287
4288         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
4289
4290 2007-02-23  Mike Stump  <mrs@apple.com>
4291
4292         * tlink.c (scan_linker_output): Parse linker messages from
4293         darwin9's linker better.
4294
4295 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
4296
4297         PR debug/29614
4298         * varpool.c (varpool_assemble_pending_decls):  Set
4299         varpool_last_needed_node to null.
4300
4301 2007-02-23  DJ Delorie  <dj@redhat.com>
4302
4303         * config/i386/i386.c (ix86_data_alignment): Don't specify an
4304         alignment bigger than the object file can handle.
4305
4306 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
4307
4308         PR target/30825
4309         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
4310         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
4311         (*movsf_1): Penalize MMX moves.
4312
4313 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
4314
4315         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
4316         2^32-1 or more times unless flag_unsafe_loop_optimizations.
4317
4318         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
4319
4320 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4321
4322         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
4323         (fold_builtin_1): Use them.
4324         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4325         BUILT_IN_SIGNIFICAND.
4326
4327 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
4328
4329         * config/i386/i386.c (bdesc_1arg): Initialize
4330         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
4331         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
4332         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
4333         and IX86_BUILTIN_MOVSLDUP.
4334
4335 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
4336
4337         PR rtl-optimization/30841
4338         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
4339
4340 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4341
4342         * builtins.c (fold_builtin_frexp): New.
4343         (fold_builtin_2): Use it.
4344
4345 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
4346
4347         * doc/invoke.texi (Spec Files): Document getenv spec function.
4348
4349         * gcc.c (getenv_spec_function): New function.
4350         (static_spec_functions): Add it.
4351         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
4352         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
4353         header files.
4354
4355 2007-02-22  Michael Matz  <matz@suse.de
4356
4357         PR c++/29433
4358         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
4359         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
4360
4361 2007-02-22  Ian Lance Taylor  <iant@google.com>
4362
4363         PR debug/30898
4364         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
4365         (mem_loc_descriptor): Call it.
4366
4367 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
4368             Ira Rosen  <irar@il.ibm.com>
4369
4370         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
4371
4372 2007-02-22  Ira Rosen  <irar@il.ibm.com>
4373
4374         PR tree-optimization/30843
4375         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
4376         stores only after all the group is vectorized.
4377
4378 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
4379
4380         PR tree-optimization/30858
4381         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
4382         in the reduction cycle have a single use in the loop.
4383         * tree-vectorizer.h (relevant): Add documentation.
4384
4385 2007-02-20  Mike Stump  <mrs@apple.com>
4386
4387         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
4388         * configure: Regenerate.
4389
4390 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
4391
4392         Change the defaults of some parameters and options.
4393         * config/spu/spu-protos.h (spu_optimization_options): Declare.
4394         * config/spu/spu.c (spu_optimization_options): Add.
4395         (spu_override_options): Change params in spu_optimization_options.
4396         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
4397
4398         Register 127 is only 16 byte aligned when used as a frame pointer.
4399         * config/spu/spu-protos.h (spu_init_expanders): Declare.
4400         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
4401         HARD_FRAME_POINTER_REGNUM.
4402         (spu_legitimate_address):  Use regno_aligned_for_reload.
4403         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
4404         aligned when frame_pointer_needed is true.
4405         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
4406         to 8 bits.
4407         * config/spu/spu.h (INIT_EXPANDERS): Define.
4408
4409         Make sure shift and rotate instructions have valid immediate operands.
4410         * config/spu/predicates.md (spu_shift_operand): Remove.
4411         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
4412         * config/spu/constraints.md (W, O): Extend range.
4413         * config/spu/spu.md (umask, nmask): Define.
4414         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
4415         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
4416         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
4417         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
4418         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
4419         (lshr<mode>3_reg):  Fix rtl description.
4420
4421         Make sure mulhisi immediate operands are valid.
4422         * config/spu/predicates.md (imm_K_operand): Add.
4423         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
4424
4425         Generate constants using fsmbi and andi.
4426         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
4427         (print_operand, spu_split_immediate, classify_immediate,
4428         fsmbi_const_p): Handle IC_FSMBI2.
4429
4430         Correctly handle a CONST_VECTOR containing symbols.
4431         * config/spu/spu.c (print_operand): Handle HIGH correctly.
4432         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
4433         (immediate_load_p): Allow symbols that use 2 instructions to create.
4434         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
4435         with symbols when flag_pic is set.
4436         (const_vector_immediate_p): New.
4437         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
4438         accept a CONST_VECTOR with symbols.
4439         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
4440         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
4441         correctly.
4442         * config/spu/spu.md (high, low): Delete.
4443         (low_<mode>): Define.
4444
4445         Remove INTRmode and INTR_REGNUM, which didn't work.
4446         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
4447         of INTR_REGNUM.
4448         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
4449         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
4450         peephole2 pattern): Don't use INTR or 131.
4451         (movintrcc): Delete.
4452         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
4453         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
4454         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
4455         (UNSPEC_SET_INTR): Add.
4456         * config/spu/spu-modes.def (INTR): Remove.
4457
4458         More accurate warnings about run-time relocations.
4459         * config/spu/spu.c (reloc_diagnostic): Test in_section.
4460
4461         Correctly warn about immediate arguments to specific intrinsics.
4462         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
4463         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
4464         the instruction predicate.
4465
4466         Fix tree check errors with latest update.
4467         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
4468         CALL_EXPR_ARG.
4469         (spu_expand_builtin): Use CALL_EXPR_FN.
4470
4471         Add missing specific intrinsics.
4472         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
4473         si_bislede.
4474         * config/spu/spu_internals.h: Ditto.
4475
4476         Fix incorrect operand modifiers.
4477         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
4478         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
4479
4480         Optimize one case of zero_extend of a vec_select.
4481         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
4482
4483         Accept any immediate for hbr.
4484         * config/spu/spu.md (hbr):  Change s constraints to i.
4485
4486 2007-02-21  Paul Brook  <paul@codesourcery.com>
4487
4488         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
4489         condexec_count when skipping USE and CLOBBER.
4490
4491 2007-02-21  Nick Clifton  <nickc@redhat.com>
4492
4493         * common.opt (Warray-bounds): Add Warning attribute.
4494         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
4495         Likewise.
4496         (fsized-zeroes): Add Optimization attribute.
4497         (fsplit-wide-types, ftree-scev-cprop): Likewise.
4498         * c.opt (Wc++0x-compat): Add Warning attribute.
4499
4500 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
4501
4502         PR middle-end/30761
4503         * reload1.c (eliminate_regs_in_insn): In the single_set special
4504         case, attempt to re-recognize the insn before falling back to
4505         having reload fix it up.
4506
4507 2007-02-20  Eric Christopher  <echristo@gmail.com>
4508
4509         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
4510         Rewrite accordingly.
4511         (frv_read_iacc_argument): Ditto.
4512         (frv_expand_set_builtin): Take a call instead of arglist, update for
4513         above changes.
4514         (frv_expand_unop_builtin): Ditto.
4515         (frv_expand_binop_builtin): Ditto.
4516         (frv_expand_cut_builtin): Ditto.
4517         (frv_expand_binopimm_builtin): Ditto.
4518         (frv_expand_voidbinop_builtin): Ditto.
4519         (frv_expand_int_void2arg): Ditto.
4520         (frv_expand_prefetches): Ditto.
4521         (frv_expand_voidtriop_builtin): Ditto.
4522         (frv_expand_voidaccop_builtin): Ditto.
4523         (frv_expand_load_builtin): Ditto.
4524         (frv_expand_store_builtin): Ditto.
4525         (frv_expand_mdpackh_builtin): Ditto.
4526         (frv_expand_mclracc_builtin): Ditto.
4527         (frv_expand_mrdacc_builtin): Ditto.
4528         (frv_expand_mwtacc_builtin): Ditto.
4529         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
4530         calls for above.
4531
4532 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
4533
4534         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
4535         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
4536         cmpb instruction.
4537         (HAVE_GAS_DFP): Check for assembler support of decimal floating
4538         point instructions.
4539         * configure: Regenerate.
4540         * config.in: Regenerate.
4541         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
4542         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
4543         masks to power6 and power6x and to POWERPC_MASKS.
4544         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4545         _ARCH_PWR6.
4546         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
4547         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
4548         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
4549         Access PROTOTYPE as variable, not mask.
4550
4551 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
4552
4553         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
4554         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
4555         * combine.c (adjust_for_new_dest): Use it.
4556         * postreload.c (reload_combine): Likewise.
4557
4558 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
4559
4560         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
4561         notes on an insn with multiple sets, even if single_set returns
4562         non-NULL for that insn.
4563
4564 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4565
4566         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
4567         scalbn and scalbln.
4568
4569 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
4570
4571         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
4572         if user didn't pass it.
4573         * config/i386/darwin.h (CC1_SPEC): Likewise.
4574         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
4575         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
4576         -mmacosx-version-min.
4577
4578 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4579             Uros Bizjak  <ubizjak@gmail.com>
4580
4581         * optabs.h (enum optab_index): Add new OTI_scalb.
4582         (scalb_optab): Define corresponding macro.
4583         * optabs.c (init_optabs): Initialize scalb_optab.
4584         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
4585         patterns.
4586         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
4587         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
4588         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
4589         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
4590         flag_unsafe_math_optimizations is set.
4591
4592         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
4593         to implement scalbf, scalb and scalbl built-ins as inline x87
4594         intrinsics.
4595
4596 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4597             DJ Delorie <dj@redhat.com>
4598
4599         PR other/30824
4600         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
4601         (diagnostic_report_diagnostic): ... here, and turn them into real
4602         errors. If warnings are inhibited, no need to do anything.
4603
4604 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
4605
4606         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
4607         better code generation.
4608
4609 2007-02-20  Ben Elliston  <bje@au.ibm.com>
4610
4611         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
4612
4613 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
4614
4615         * config/alpha/alpha.c, config/alpha/alpha.md,
4616         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
4617         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
4618         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
4619         config/arm/lib1funcs.asm: Follow spelling conventions.
4620
4621         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
4622         config/fr30/fr30.md, config/i386/i386.h,
4623         config/iq2000/iq2000.h, config/iq2000/predicates.md,
4624         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
4625         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
4626         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
4627         config/rs6000/altivec.md, config/rs6000/rs6000.c,
4628         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
4629         config/sparc/sparc.c, config/sparc/sparc.h,
4630         config/sparc/sparc.md, config/spu/constraints.md,
4631         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
4632         conventions.
4633
4634 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
4635
4636         PR target/29943
4637         * varasm.c (use_blocks_for_decl_p): Return false for decls with
4638         alias attribute.
4639
4640 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
4641
4642         * doc/invoke.texi (-ftree-lrs): Remove.
4643
4644 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
4645
4646         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
4647         NULL.
4648
4649 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
4650
4651         * config/ia64/ia64.c (ia64_expand_builtin): Use the
4652         new CALL_EXPR_FN macro for retrieving the function
4653         declaration of the input expression.
4654
4655 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4656
4657         * c.opt (Waddress): New.
4658         * common.opt (Walways-true): Delete.
4659         (Wstring-literal-comparison): Delete.
4660         * doc/invoke.texi (Warning Options): Delete -Walways-true and
4661         -Wstring-literal-comparison. Add -Waddress.
4662         (Waddress): New.
4663         (Walways-true): Delete.
4664         (Wstring-literal-comparison): Delete.
4665         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
4666         consistently instead of -Walways-true in example.
4667         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
4668         * c-typeck.c (parser_build_binary_op): Replace
4669         -Wstring-literal-comparison and -Walways-true with -Waddress.
4670         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
4671         with -Waddress.
4672
4673 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
4674
4675         * tree-cfg.c (dump_function_to_file): Be prepared for functions
4676         without DECL_STRUCT_FUNCTION initialized.
4677
4678 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
4679
4680         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
4681         due to calls to functions taking pointers as parameters.
4682
4683 2007-02-19  Richard Henderson  <rth@redhat.com>
4684
4685         PR debug/29558
4686         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
4687         in memory.
4688
4689 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4690
4691         * config/s390/s390.c (s390_call_saved_register_used,
4692         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
4693         accessed to the new scheme.
4694
4695 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4696
4697         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
4698         (cris_print_index, cris_print_operand, cris_print_operand_address)
4699         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
4700         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
4701         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
4702         GET_CODE () == xxx.
4703         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
4704         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
4705         GO_IF_LEGITIMATE_ADDRESS): Ditto.
4706         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
4707         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
4708         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
4709         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
4710         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
4711         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
4712         (uminsi3, call, call_value): Ditto.
4713         (define_split: indir_to_reg_split, unnamed): Ditto.
4714
4715 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
4716
4717         PR tree-optimization/30975
4718         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
4719         wrong assert.
4720
4721 2007-02-18  Eric Christopher  <echristo@gmail.com>
4722
4723         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
4724         Remove use of arglist.
4725         (mips_expand_builtin): Remove use of arglist, pass in expr.
4726         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
4727         (mips_expand_builtin_movtf): Ditto.
4728         (mips_expand_builtin_compare): Ditto.
4729
4730 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
4731
4732         * tree-sra.c (sra_build_assignment): Replace assertion
4733         checking with a comment explaining why it can't be done.
4734
4735 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
4736
4737         PR middle-end/30833
4738         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
4739         during CALL_EXPR representation conversion.
4740         * tree-ssa-propagate.c (set_rhs): Likewise.
4741
4742 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
4743
4744         * tree-sra.c (sra_build_assignment): Disable assertion checking
4745         for now.
4746
4747 2007-02-18  Roger Sayle  <roger@eyesopen.com>
4748
4749         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
4750         instead of calling build2 with a GIMPLE_MODIFY_STMT.
4751         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
4752         Likewise.
4753         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
4754         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
4755         gimplify_init_ctor_eval_range, gimple_push_cleanup,
4756         gimplify_omp_for, gimplify_omp_atomic_pipeline,
4757         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
4758         force_gimple_operand): Likewise.
4759         * ipa-cp.c (constant_val_insert): Likewise.
4760         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4761         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
4762         perfect_nestify): Likewise.
4763         * langhooks.c (lhd_omp_assignment): Likewise.
4764         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
4765         lower_copyprivate_clauses, lower_send_clauses,
4766         lower_send_shared_vars, expand_parallel_call,
4767         expand_omp_for_generic, expand_omp_for_static_nochunk,
4768         expand_omp_for_static_chunk, expand_omp_sections,
4769         lower_omp_single_copy, lower_omp_for_lastprivate,
4770         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
4771         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
4772         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
4773         Likewise.
4774
4775 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
4776
4777         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
4778         config/sh/sh.md: Follow spelling conventions.
4779
4780         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
4781         config/frv/predicates.md: Follow spelling conventions.
4782
4783         * config/m68k/linux-unwind.h: Fix a comment typo.
4784         * target.h: Follow spelling conventions.
4785
4786 2007-02-18  Roger Sayle  <roger@eyesopen.com>
4787
4788         PR rtl-optimization/28173
4789         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
4790         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
4791         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
4792         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
4793         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
4794
4795 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4796
4797         * builtins.c (fold_builtin_load_exponent): New.
4798         (fold_builtin_2): Use it.
4799
4800 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
4801
4802         PR rtl-optimization/30773
4803         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
4804         if we fail to attach a REG_EQUIV note.
4805
4806 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
4807             Roger Sayle  <roger@eyesopen.com>
4808
4809         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
4810
4811 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
4812
4813         * calls.c (initialize_argument_information): Pass original EXP
4814         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
4815         code to split complex arguments here, as part of initializing the
4816         ARGS array.
4817         (expand_call): Remove code that builds a list of arguments and
4818         inserts implicit arguments into it.  Instead, just count how many
4819         implicit arguments there will be so we can determine the size of
4820         the ARGS array, and let initialize_argument_information do the work.
4821         (split_complex_values): Delete unused function.
4822
4823 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
4824
4825         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
4826
4827 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
4828
4829         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
4830         for arg pointer based indexed addressing.
4831
4832 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
4833
4834         * config/ia64/ia64.h, config/ia64/ia64.md,
4835         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
4836         spelling conventions.
4837
4838 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4839
4840         * config/m68k/m68k.c (split_di): New.
4841         * config/m68k/m68k-protos.h: Declare split_di.
4842         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
4843           Improve predicate handling and split constant shifts.
4844
4845 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4846
4847         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
4848         parameter for register bitfield operations, general predicates
4849         cleanup
4850
4851 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4852
4853         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
4854         * config/m68k/linux-unwind.h: New file.
4855
4856 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
4857
4858         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
4859         config/i386/athlon.md, config/ia64/ia64.md,
4860         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
4861         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
4862         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
4863         tree-ssa-loop-niter.c, tree-vect-analyze.c,
4864         tree-vect-transform.c: Fix comment typos.
4865
4866 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
4867
4868         * sched-deps.c (find_insn_list): Remove.
4869         * sched-int.h: Remove the prototype for find_insn_list.
4870
4871 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
4872
4873         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
4874         to linker.
4875         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
4876         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
4877         darwin_rs6000_override_options.
4878         (C_COMMON_OVERRIDE_OPTIONS): Expect
4879         darwin_macosx_version_min to be non-NULL always.
4880         (TARGET_C99_FUNCTIONS): Likewise.
4881         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
4882         (DARWIN_MINVERSION_SPEC): New.
4883         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
4884         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
4885         to cc1*.
4886         (DARWIN_MINVERSION_SPEC): New.
4887         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
4888         value.
4889         * config/darwin-c.c (darwin_cpp_builtins): Expect
4890         darwin_macosx_version_min to be non-NULL always.
4891
4892         * config/rs6000/rs6000.c: Clean up trailing whitespace.
4893
4894 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
4895
4896         * config/i386/i386.h (x86_use_xchgb): New.
4897         (TARGET_USE_XCHGB): New macro.
4898         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
4899         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
4900         Split after reload into bswaphi for shifts of 8.
4901         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
4902         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
4903         or when optimizing for size.
4904
4905 2007-02-16  Richard Guenther  <rguenther@suse.de>
4906             Christian Bruel  <christian.bruel@st.com>
4907
4908         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
4909         DECLs but prefer SSA_NAMEs over DECLs.
4910
4911 2007-02-16  Richard Guenther  <rguenther@suse.de>
4912
4913         * tree-flow-inline.h (single_imm_use_p): Remove.
4914         (zero_imm_uses_p): Likewise.
4915         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
4916         instead of single_imm_use_p.
4917         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
4918         zero_imm_uses_p.
4919
4920 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4921
4922         PR other/27843
4923         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
4924         nested double- and backquotes.
4925
4926 2007-02-15  Roger Sayle  <roger@eyesopen.com>
4927
4928         PR middle-end/30391
4929         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
4930         should be unreachable.
4931         (build2_stat): Allow construction of MODIFY_EXPR at any time.
4932         For the time being redirect GIMPLE_MODIFY_STMT to the new
4933         (renamed) build_gimple_modify_stmt_stat.
4934         (build2_gimple_stat): Rename to...
4935         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
4936         Always build a GIMPLE_MODIFY_STMT node.
4937         * tree.h (build2_gimple, build2_gimple_stat): Delete.
4938         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
4939         declarations.
4940
4941         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
4942         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
4943         * tree-complex.c (set_component_ssa_name, expand_complex_move,
4944         expand_complex_div_wide): Likewise.
4945         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
4946         * tree-ssa-loop-im.c (schedule_sm): Likewise.
4947         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
4948         * tree-ssa-loop-manip.c (create_iv): Likewise.
4949         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
4950         abs_replacement): Likewise.
4951         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
4952         realify_fake_stores): Likewise.
4953
4954         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
4955         node rather than a GIMPLE_MODIFY_STMT node.
4956         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
4957         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
4958         Likewise.
4959         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
4960         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
4961         GIMPLE_MODIFY_STMT.
4962
4963 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4964
4965         PR middle-end/30433
4966         * fold-const.c (fold_comparison): Add back the
4967         folding of constant complex comparisions.
4968
4969 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4970
4971         PR middle-end/30729
4972         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
4973         effects unknown to this function, return early.
4974
4975 2007-02-15  Ian Lance Taylor  <iant@google.com>
4976
4977         * lower-subreg.c (move_eh_region_note): New static function.
4978         (resolve_simple_move): Call it.
4979         (decompose_multiword_subregs): Track blocks for which we resolve a
4980         simple move which is also a control flow insn.  Pass them to
4981         find_many_sub_basic_blocks.
4982         (pass_lower_subreg): Add TODO_verify_flow.
4983         (pass_lower_subreg2): Likewise.
4984
4985 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4986             Brooks Moses  <brooks.moses@codesourcery.com>
4987             Lee Millward  <lee.millward@codesourcery.com>
4988
4989         * tree.h (enum tree_code_class): Add tcc_vl_exp.
4990         (VL_EXP_CLASS_P): New.
4991         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
4992         TREE_CODE_LENGTH.
4993         (TREE_OPERAND_CHECK_CODE): Likewise.
4994         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
4995         (TREE_RTL_OPERAND_CHECK): Likewise.
4996         (tree_operand_check_failed): Make second parameter the whole tree
4997         instead of its code.  Fixed callers.
4998         (VL_EXP_CHECK): New.
4999         (TREE_OPERAND_LENGTH): New.
5000         (VL_EXP_OPERAND_LENGTH): New.
5001         (CALL_EXPR_FN): New.
5002         (CALL_EXPR_STATIC_CHAIN): New.
5003         (CALL_EXPR_ARGS): New.
5004         (CALL_EXPR_ARG): New.
5005         (call_expr_nargs): New.
5006         (CALL_EXPR_ARGP): New.
5007         (build_nt_call_list): Declare.
5008         (build_vl_exp_stat): Declare.
5009         (build_vl_exp): New.
5010         (build_call_list): Declare.
5011         (build_call_nary): Declare.
5012         (build_call_valist): Declare.
5013         (build_call_array): Declare.
5014         (call_expr_arg): Declare.
5015         (call_expr_argp): Declare.
5016         (call_expr_arglist): Declare.
5017         (fold_build_call_list): Declare.
5018         (fold_build_call_list_initializer): Declare.
5019         (fold_call_expr): Declare to replace fold_builtin.
5020         (fold_builtin_fputs): Update to agree with modified definition.
5021         (fold_builtin_strcpy): Likewise.
5022         (fold_builtin_strncpy): Likewise.
5023         (fold_builtin_memory_chk): Likewise.
5024         (fold_builtin_stxcpy_chk): Likewise.
5025         (fold_builtin_strncpy_chk): Likewise.
5026         (fold_builtin_next_arg): Likewise.
5027         (fold_build_call_expr): Declare.
5028         (fold_builtin_call_list): Declare.
5029         (fold_builtin_call_valist): Declare.
5030         (build_call_expr): Declare.
5031         (validate_arglist): Update to agree with modified definition.
5032         (tree_operand_length): New.
5033         (call_expr_arg_iterator): New.
5034         (init_call_expr_arg_iterator): New.
5035         (next_call_expr_arg): New.
5036         (first_call_expr_arg): New.
5037         (more_call_expr_args_p): New.
5038         (FOR_EACH_CALL_EXPR_ARG): New.
5039
5040         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
5041         and tcc_gimple_stmt.
5042         (tree_code_size): Update documentation.  Use sizeof (tree) rather
5043         than sizeof (char *).
5044         (tree_size): Likewise.  Add case for tcc_vl_exp.
5045         (tree_node_structure): Add case for tcc_vl_exp.
5046         (contains_placeholder_p): Likewise.
5047         (substitute_in_expr): Likewise.
5048         (substitute_placeholder_in_expr): Likewise.
5049         (stabilize_reference_1): Likewise.
5050         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
5051         to diagnose breakage of this interface for constructing CALL_EXPRs.
5052         (build_nt): Add similar assertion here.
5053         (build_nt_call_list): New.
5054         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
5055         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
5056         TREE_CODE_LENGTH.
5057         (get_callee_fndecl): Use new CALL_EXPR accessors.
5058         (tree_operand_check_failed): Change parameters to pass entire node
5059         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
5060         (process_call_operands): New.
5061         (build_vl_exp_stat): New.
5062         (build_call_list): New.
5063         (build_call_nary): New.
5064         (build_call_valist): New.
5065         (build_call_array): New.
5066         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5067         (call_expr_arglist): New.
5068
5069         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
5070         tcc_vl_exp instead of a fixed-size tcc_expression.
5071
5072         * doc/c-tree.texi (CALL_EXPR): Document new representation and
5073         accessors for CALL_EXPRs.
5074         (AGGR_INIT_EXPR): Likewise.
5075
5076 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5077             Brooks Moses  <brooks.moses@codesourcery.com>
5078             Lee Millward  <lee.millward@codesourcery.com>
5079
5080         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
5081         (expand_builtin_nonlocal_goto): Change parameter to be entire
5082         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
5083         (expand_builtin_prefetch): Likewise.
5084         (expand_builtin_classify_type): Likewise.
5085         (mathfn_built_in): Return NULL_TREE instead of 0.
5086         (expand_errno_check): Use new CALL_EXPR accessors.
5087         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
5088         Return NULL_RTX instead of 0.
5089         (expand_builtin_mathfn_2): Likewise.
5090         (expand_builtin_mathfn_3): Likewise.
5091         (expand_builtin_interclass_mathfn): Likewise.
5092         (expand_builtin_sincos): Likewise.
5093         (expand_builtin_cexpi): Likewise.
5094         (expand_builtin_int_roundingfn): Likewise.
5095         (expand_builtin_int_roundingfn_2): Likewise.
5096         (expand_builtin_pow): Likewise.
5097         (expand_builtin_powi): Likewise.
5098         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
5099         of arglist, fixing callers appropriately.  Use new CALL_EXPR
5100         accessors and constructors.  Return NULL_RTX instead of 0.
5101         (expand_builtin_strstr): Likewise.
5102         (expand_builtin_strchr): Likewise.
5103         (expand_builtin_strrchr): Likewise.
5104         (expand_builtin_strpbrk): Likewise.
5105         (expand_builtin_memcpy): Likewise.
5106         (expand_builtin_mempcpy): Likewise.
5107         (expand_builtin_mempcpy_args): New.
5108         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
5109         (expand_builtin_memmove_args): New.
5110         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
5111         (expand_movstr): Likewise.
5112         (expand_builtin_strcpy): Likewise.
5113         (expand_builtin_strcpy_args): New.
5114         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
5115         (expand_builtin_strncpy): Likewise.
5116         (expand_builtin_memset): Likewise.
5117         (expand_builtin_memset_args): New.
5118         (expand_builtin_bzero): Similarly to expand_builtin_memset.
5119         (expand_builtin_memcmp): Likewise.
5120         (expand_builtin_strcmp): Likewise.
5121         (expand_builtin_strncmp): Likewise.
5122         (expand_builtin_strcat): Likewise.
5123         (expand_builtin_strncat): Likewise.
5124         (expand_builtin_strspn): Likewise.
5125         (expand_builtin_strcspn): Likewise.
5126         (expand_builtin_args_info): Likewise.
5127         (expand_builtin_va_start): Likewise.
5128         (gimplify_va_arg_expr): Likewise.
5129         (expand_builtin_va_end): Likewise.
5130         (expand_builtin_va_copy): Likewise.
5131         (expand_builtin_frame_address): Likewise.
5132         (expand_builtin_alloca): Likewise.
5133         (expand_builtin_bswap): Likewise.
5134         (expand_builtin_unop): Likewise.
5135         (expand_builtin_fputs): Likewise.
5136         (expand_builtin_expect): Likewise.
5137         (expand_builtin_fabs): Likewise.
5138         (expand_builtin_copysign): Likewise.
5139         (expand_builtin_printf): Likewise.
5140         (expand_builtin_fprintf): Likewise.
5141         (expand_builtin_sprintf): Likewise.
5142         (expand_builtin_init_trampoline): Likewise.
5143         (expand_builtin_signbit): Likewise.
5144         (expand_builtin_fork_or_exec): Likewise.
5145         (expand_builtin_sync_operation): Likewise.
5146         (expand_builtin_compare_and_swap): Likewise.
5147         (expand_builtin_lock_test_and_set): Likewise.
5148         (expand_builtin_lock_release): Likewise.
5149         (expand_builtin): Likewise.
5150         (builtin_mathfn_code): Likewise.
5151
5152         (fold_builtin_constant_p): Pass call arguments individually instead
5153         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5154         accessors and constructors.  Return NULL_TREE instead of 0.
5155         (fold_builtin_expect): Likewise.
5156         (fold_builtin_classify_type): Likewise.
5157         (fold_builtin_strlen): Likewise.
5158         (fold_builtin_nan): Likewise.
5159         (integer_valued_real_p): Likewise.
5160         (fold_trunc_transparent_mathfn): Likewise.
5161         (fold_fixed_mathfn): Likewise.
5162         (fold_builtin_cabs): Likewise.
5163         (fold_builtin_sqrt): Likewise.
5164         (fold_builtin_cbrt): Likewise.
5165         (fold_builtin_cos): Likewise.
5166         (fold_builtin_cosh): Likewise.
5167         (fold_builtin_tan): Likewise.
5168         (fold_builtin_sincos): Likewise.
5169         (fold_builtin_cexp): Likewise.
5170         (fold_builtin_trunc): Likewise.
5171         (fold_builtin_floor): Likewise.
5172         (fold_builtin_ceil): Likewise.
5173         (fold_builtin_round): Likewise.
5174         (fold_builtin_int_roundingfn): Likewise.
5175         (fold_builtin_bitop): Likewise.
5176         (fold_builtin_bswap): Likewise.
5177         (fold_builtin_logarithm): Likewise.
5178         (fold_builtin_hypot): Likewise.
5179         (fold_builtin_pow): Likewise.
5180         (fold_builtin_powi): Likewise.
5181         (fold_builtin_exponent): Likewise.
5182         (fold_builtin_memset): Likewise.
5183         (fold_builtin_bzero): Likewise.
5184         (fold_builtin_memory_op): Likewise.
5185         (fold_builtin_bcopy): Deleted; call site changed to invoke
5186         fold_builtin_memory_op directly.
5187         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
5188         (fold_builtin_strncpy): Likewise.
5189         (fold_builtin_memcmp): Likewise.
5190         (fold_builtin_strcmp): Likewise.
5191         (fold_builtin_strncmp): Likewise.
5192         (fold_builtin_signbit): Likewise.
5193         (fold_builtin_copysign): Likewise.
5194         (fold_builtin_isascii): Likewise.
5195         (fold_builtin_toascii): Likewise.
5196         (fold_builtin_isdigit): Likewise.
5197         (fold_builtin_fabs): Likewise.
5198         (fold_builtin_abs): Likewise.
5199         (fold_builtin_fmin_fmax): Likewise.
5200         (fold_builtin_carg): Likewise.
5201         (fold_builtin_classify): Likewise.
5202         (fold_builtin_unordered_cmp): Likewise.
5203
5204         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
5205         New functions split out from fold_builtin_1.
5206         (fold_builtin_n): New.
5207         (fold_builtin_varargs): New.
5208         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
5209         instead.
5210         (fold_call_expr): New.
5211         (build_function_call_expr): Rewrite to use new helper function.
5212         (fold_builtin_call_list): New.
5213         (build_call_expr): New.
5214         (fold_builtin_call_valist): New.
5215         (rewrite_call_expr): New.
5216         (validate_arg): New.
5217         (validate_arglist): Change parameter to be entire CALL_EXPR instead
5218         of an arglist.  Change return type to bool.  Use new CALL_EXPR
5219         accessors.
5220
5221         (fold_builtin_strstr):  Pass call arguments individually instead
5222         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5223         accessors and constructors.  Return NULL_TREE instead of 0.
5224         (fold_builtin_strchr): Likewise.
5225         (fold_builtin_strrchr): Likewise.
5226         (fold_builtin_strpbrk): Likewise.
5227         (fold_builtin_strcat): Likewise.
5228         (fold_builtin_strncat): Likewise.
5229         (fold_builtin_strspn): Likewise.
5230         (fold_builtin_strcspn): Likewise.
5231         (fold_builtin_fputs): Likewise.
5232         (fold_builtin_next_arg): Likewise.
5233         (fold_builtin_sprintf): Likewise.
5234
5235         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
5236         NULL_RTX instead of 0.
5237         (expand_builtin_memory_chk): Likewise.
5238         (maybe_emit_chk_warning): Likewise.
5239         (maybe_emit_sprintf_chk_warning): Likewise.
5240
5241         (fold_builtin_object_size): Pass call arguments individually instead
5242         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5243         accessors and constructors.  Return NULL_TREE instead of 0.
5244         (fold_builtin_memory_chk): Likewise.
5245         (fold_builtin_stxcpy_chk): Likewise.
5246         (fold_builtin_strncpy_chk): Likewise.
5247         (fold_builtin_strcat_chk): Likewise.
5248         (fold_builtin_strcat_chk): Likewise.
5249         (fold_builtin_strncat_chk): Likewise.
5250         (fold_builtin_sprintf_chk): Likewise.
5251         (fold_builtin_snprintf_chk): Likewise.
5252         (fold_builtin_printf): Likewise.
5253         (fold_builtin_vprintf): Likewise.
5254
5255         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
5256         constructors.
5257         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
5258         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5259         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
5260         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
5261         (fold_unary): Likewise.
5262         (fold_binary): Likewise.
5263         (fold_ternary): Remove CALL_EXPR case, since they are no longer
5264         ternary expressions.
5265         (fold): Add logic for tcc_vl_exp.
5266         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
5267         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5268         (fold_build3_stat): Add assertion to flag broken interface for
5269         constructing CALL_EXPRs.
5270         (fold_build_call_list): New.
5271         (fold_build_call_list_initializer): New.
5272         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
5273         constructors.
5274         (fold_strip_sign_ops): Likewise.
5275
5276 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5277             Brooks Moses  <brooks.moses@codesourcery.com>
5278             Lee Millward  <lee.millward@codesourcery.com>
5279
5280         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
5281         accessors and dump arguments explicitly.
5282
5283         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
5284         TREE_CODE_LENGTH.
5285         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
5286         explicitly.
5287         (print_call_name): Use new CALL_EXPR accessors.
5288
5289         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
5290         CALL_EXPR arguments explicitly instead of as a list.  Use
5291         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5292
5293         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
5294         (vrp_visit_stmt): Likewise.
5295
5296         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
5297         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
5298         TREE_CODE_LENGTH.
5299         (force_move_till_expr): Likewise.
5300
5301         * targhooks.c (default_external_stack_protect_fail): Use
5302         build_call_expr instead of build_function_call_expr.
5303         (default_hidden_stack_protect_fail): Likewise.
5304
5305         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
5306         build the call.
5307
5308         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
5309         and walk arguments explicitly.
5310
5311         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
5312         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5313         (expand_simple_operations): Likewise.
5314         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
5315
5316         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
5317         of TREE_CODE_LENGTH.
5318         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
5319
5320         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
5321         instead of TREE_CODE_LENGTH.
5322
5323         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
5324         (tree_ic_transform): Likewise.
5325         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
5326         parameter instead of arglist.  Fix callers.
5327         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
5328         (tree_stringops_transform): Likewise.
5329         (tree_indirect_call_to_profile): Likewise.
5330         (tree_stringops_values_to_profile): Likewise.
5331
5332         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
5333         (eliminate_tail_call): Likewise.
5334
5335         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
5336
5337         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
5338         Use TREE_OPERAND_LENGTH and generalize to handle any number of
5339         operands.
5340         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
5341
5342         * omp-low.c (build_omp_barrier): Use build_call_expr.
5343         (lower_rec_input_clauses): Likewise.
5344         (lower_reduction_clauses): Likewise.
5345         (expand_parallel_call): Likewise.
5346         (maybe_catch_exception): Likewise.
5347         (expand_omp_for_generic): Likewise.
5348         (expand_omp_for_static_nochunk): Likewise.
5349         (expand_omp_sections): Likewise.
5350         (lower_omp_single_simple): Likewise.
5351         (lower_omp_single_copy): Likewise.
5352         (lower_omp_master): Likewise.
5353         (lower_omp_ordered): Likewise.
5354         (lower_omp_critical): Likewise.
5355
5356         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
5357         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
5358
5359         * tree-gimple.c (is_gimple_call_addr): Fix doc.
5360         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
5361         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
5362
5363         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
5364         and generalize to handle any number of operands.
5365         (chrec_contains_undetermined): Likewise.
5366         (tree_contains_chrecs): Likewise.
5367         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
5368
5369         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
5370
5371         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
5372         fold_call_expr instead of fold_builtin.
5373         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
5374         match declarations there.
5375         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
5376         updates.
5377
5378         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
5379         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5380
5381         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
5382         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
5383
5384         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
5385         accessors.
5386
5387         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
5388         (execute_cse_sincos): Use new CALL_EXPR accessors.
5389
5390         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
5391
5392         * gimple-low.c (lower_function_body): Use build_call_expr.
5393         (lower_builtin_setjmp): Likewise.
5394
5395         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
5396         (set_storage_via_libcall): Likewise.
5397         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
5398         instead of TREE_CODE_LENGTH.
5399         (expand_expr_real_1): Use new CALL_EXPR accessors.
5400
5401         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
5402         generalize to handle any number of operands.
5403         (TB_parent_eq): Likewise.
5404
5405         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
5406         (strip_builtin_expect): Likewise.
5407
5408         * function.c (gimplify_parameters): Use build_call_expr.
5409
5410         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
5411         instead of TREE_CODE_LENGTH.
5412
5413         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
5414         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
5415
5416         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
5417         iterators.
5418
5419         * gimplify.c (build_stack_save_restore): Use build_call_expr.
5420         (gimplify_decl_expr): Likewise.
5421         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
5422         Use new CALL_EXPR iterators.
5423         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
5424         (gimplify_modify_expr_to_memset): Likewise.
5425         (gimplify_variable_sized_compare): Likewise.
5426         (gimplify_omp_atomic_fetch_op): Likewise.
5427         (gimplify_omp_atomic_pipeline): Likewise.
5428         (gimplify_omp_atomic_mutex): Likewise.
5429         (gimplify_function_tree): Likewise.
5430
5431         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
5432         (call_expr_flags): Likewise.
5433         (expand_call): Likewise.
5434
5435         * except.c (expand_builtin_eh_return_data_regno): Pass entire
5436         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
5437         accessors.
5438
5439         * coverage.c (create_coverage): Use build_call_expr.
5440
5441         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
5442         (temp_call_expr_obstack): New.
5443         (pool_copy_list): Delete.
5444         (temp_copy_call_expr): New.
5445         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
5446         CALL_EXPR accessors.  Get rid of special goo for copying argument
5447         lists and use temp_copy_call_expr instead.
5448         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
5449         CALL_EXPR accessors.
5450         (create_expression_by_pieces): Likewise.  Use build_call_array
5451         to construct the result instead of fold_build3.
5452         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
5453         dealing with argument lists.
5454         (init_pre): Remove references to expression_node_pool and
5455         list_node_pool.  Init temp_call_expr_obstack instead.
5456         (fini_pre): Remove references to expression_node_pool and
5457         list_node_pool.
5458
5459         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
5460         and walk arguments explicitly instead of as a list.
5461
5462         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
5463         (mx_register_decls): Likewise.
5464         (mudflap_register_call): Likewise.
5465         (mudflap_finish_file): Likewise.
5466
5467         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
5468         (ipa_callsite_compute_param): Likewise.
5469
5470         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
5471         accessors and constructor.
5472
5473         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
5474         accessors and constructor.
5475         (convert_tramp_reference): Likewise.
5476         (convert_call_expr): Likewise.
5477         (finalize_nesting_tree_1): Likewise.
5478
5479         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
5480         accessors.
5481
5482         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
5483
5484         * tree-inline.c (initialize_inlined_parameters): Pass entire
5485         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
5486         accessors.
5487         (estimate_num_insns_1): Use new CALL_EXPR accessors.
5488         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
5489
5490         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
5491         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5492         (vectorizable_reduction): Likewise.
5493         (vectorizable_call): Use new CALL_EXPR iterators.
5494         (vectorizable_conversion): Use build_call_expr.
5495         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
5496         (vect_gen_widened_results_half): Use build_call_expr.
5497         (vect_setup_realignment): Likewise.
5498         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
5499
5500         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
5501         (pass_through_call): Likewise.
5502         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
5503         fold_builtin.
5504
5505         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
5506         (tree_gen_pow2_profiler): Likewise.
5507         (tree_gen_one_value_profiler): Likewise.
5508         (tree_gen_ic_func_profiler): Likewise.
5509         (tree_gen_average_profiler): Likewise.
5510         (tree_gen_ior_profiler): Likewise.
5511
5512         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
5513         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
5514         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5515
5516         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
5517         of TREE_CODE_LENGTH.
5518
5519         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
5520         of TREE_CODE_LENGTH.
5521
5522         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
5523         constructor.
5524         (convert_to_integer): Likewise.
5525
5526         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
5527         accessors.
5528
5529 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5530             Brooks Moses  <brooks.moses@codesourcery.com>
5531             Lee Millward  <lee.millward@codesourcery.com>
5532
5533         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
5534         accessors.
5535         * config/frv/frv.c (frv_expand_builtin): Likewise.
5536         * config/s390/s390.c (s390_expand_builtin): Likewise.
5537
5538         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
5539         (sparc_expand_builtin): Use new CALL_EXPR accessors.
5540
5541         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
5542         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
5543         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
5544         (ix86_expand_store_builtin): Likewise.
5545         (ix86_expand_unop_builtin): Likewise.
5546         (ix86_expand_unop1_builtin): Likewise.
5547         (ix86_expand_sse_compare): Likewise.
5548         (ix86_expand_sse_comi): Likewise.
5549         (ix86_expand_vec_init_builtin): Likewise.
5550         (ix86_expand_vec_ext_builtin): Likewise.
5551         (ix86_expand_vec_set_builtin): Likewise.
5552         (ix86_expand_builtin): Use new CALL_EXPR accessors.
5553
5554         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
5555         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
5556
5557         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
5558         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5559         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
5560
5561         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
5562         build_call_expr.
5563         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
5564         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
5565         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5566         (altivec_expand_abs_builtin): Likewise.
5567         (rs6000_expand_binop_builtin): Likewise.
5568         (altivec_expand_predicate_builtin): Likewise.
5569         (altivec_expand_lv_builtin): Likewise.
5570         (spe_expand_stv_builtin): Likewise.
5571         (altivec_expand_stv_builtin): Likewise.
5572         (rs6000_expand_ternop_builtin): Likewise.
5573         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
5574         (altivec_expand_st_builtin): Likewise.
5575         (altivec_expand_dst_builtin): Likewise.
5576         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
5577         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5578         (altivec_expand_vec_set_builtin): Likewise.
5579         (altivec_expand_vec_ext_builtin): Likewise.
5580         (altivec_expand_builtin): Use new CALL_EXPR accessors.
5581         (spe_expand_builtin): Likewise.
5582         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
5583         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5584         (spe_expand_evsel_builtin): Likewise.
5585         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
5586         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
5587
5588         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
5589         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5590         (arm_expand_unop_builtin): Likewise.
5591         (arm_expand_builtin): Use new CALL_EXPR accessors.
5592
5593         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
5594         accessors.
5595
5596         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
5597         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5598         (bfin_expand_unop_builtin): Likewise.
5599         (bfin_expand_builtin): Use new CALL_EXPR accessors.
5600
5601 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5602             Brooks Moses  <brooks.moses@codesourcery.com>
5603             Lee Millward  <lee.millward@codesourcery.com>
5604
5605         * c-semantics.c (build_stmt): Add internal diagnostic check.
5606
5607         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
5608         accessors.  Print arguments explicitly instead of as a list.
5609
5610         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
5611
5612         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
5613         (c_finish_omp_flish): Likewise.
5614
5615         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
5616         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
5617         instead of TREE_CODE_LENGTH.
5618         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
5619         (c_warn_unused_result): Likewise.
5620
5621 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5622
5623         PR c/26494
5624         * doc/invoke.texi (Warning Options): Remove
5625         -Werror-implicit-function-declaration.
5626         (Wimplicit-function-declaration): Update description.
5627         * opts.c (common_handle_option): Move handling of -Werror=* to...
5628         (enable_warning_as_error): ...here.
5629         * opts.h (enable_warning_as_error): Declare.
5630         * c-decl.c (implicit_decl_warning): Unless
5631         -Wno-implicit-function-declaration is given, emit a pedwarn if
5632         -std=c99 or emit a warning if -Wimplicit-function-declaration.
5633         * c.opt (Wimplicit-function-declaration): Replace
5634         mesg_implicit_function_declaration with
5635         warn_implicit_function_declaration.
5636         * c-opts.c (c_common_handle_option):
5637         -Werror-implicit-function-declaration is exactly equal as
5638         -Werror=implicit-function-declaration.
5639         (set_Wimplicit): Replace mesg_implicit_function_declaration with
5640         warn_implicit_function_declaration.
5641         (c_common_post_options): -Wimplict-function-declaration is enabled
5642         by default by -std=c99, otherwise is disabled by default.
5643         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
5644
5645 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5646
5647         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
5648         DECL on the rhs to a DECL on the lhs for debug info purposes if the
5649         former is ignored but not the latter.
5650
5651 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5652
5653         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
5654         is made and the reference doesn't use the alias set of its type,
5655         do not create the temporary using that type.
5656
5657 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
5658
5659         * jump.c: Remove prototypes for delete_computation and
5660         delete_prior_computation.
5661
5662 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
5663
5664         * jump.c (get_label_after): Delete.
5665         (get_label_before, delete_computation, delete_jump,
5666         delete_prior_computation, follow_jumps): Move...
5667         * reorg.c (delete_computation, delete_prior_computation): ... here...
5668         (get_label_before, delete_jump): ... making these static ...
5669         (follow_jumps): ... and simplifying this since it only runs after
5670         reload.
5671         * rtl.h (get_label_after, get_label_before, delete_jump,
5672         follow_jumps): Delete prototypes.
5673
5674 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
5675
5676         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
5677
5678 2007-02-15  Nick Clifton  <nickc@redhat.com>
5679
5680         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
5681         order to prevent it from being munged by the target.
5682
5683 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
5684
5685         * config/i386/i386.md: Remove misleading comment.
5686
5687 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5688
5689         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
5690         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
5691         invalid patterns.
5692
5693 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5694
5695         * tree-sra.c (instantiate_missing_elements): Canonicalize
5696         bit-field types.
5697         (sra_build_assignment): New.
5698         (generate_copy_inout, generate_element_copy,
5699         generate_element_zero, generate_one_element_init): Use it.
5700
5701 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5702
5703         * tree-sra.c (instantiate_missing_elements): Canonicalize
5704         bit-field types.
5705         (sra_build_assignment): New.
5706         (generate_copy_inout, generate_element_copy,
5707         generate_element_zero, generate_one_element_init): Use it.
5708
5709 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5710
5711         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
5712         limbo die nodes.
5713
5714 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
5715
5716         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
5717         types as aggregates not scalars.
5718         * function.c (assign_stack_temp_for_type): Likewise.
5719
5720 2007-02-14  Roger Sayle  <roger@eyesopen.com>
5721             Zdenek Dvorak  <dvorakz@suse.cz>
5722
5723         * tree-dump.c (dump_switch_p_1): Require exact match of the option
5724         name.
5725
5726 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
5727
5728         * passes.c (next_pass_1): Clear the next field of the copied
5729         pass structure.
5730
5731 2007-02-14  Richard Henderson  <rth@redhat.com>
5732
5733         * tree-sra.c (early_sra): New.
5734         (decl_can_be_decomposed_p): Deny va_list if early_sra.
5735         (tree_sra_early, pass_sra_early): New.
5736         * tree-pass.h (pass_sra_early): Declare.
5737         * passes.c (init_optimization_passes): Use it.
5738
5739 2007-02-14  Richard Guenther  <rguenther@suse.de>
5740
5741         * flags.h (issue_strict_overflow_warning): Convert to a macro.
5742
5743 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
5744
5745          PR tree-optimization/30771
5746         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
5747         also phi nodes.
5748         (vect_analyze_operations): Induction phis can now be marked as
5749         used_in_loop.
5750         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
5751         Update documentation accordingly.
5752
5753 2007-02-14  Nick Clifton  <nickc@redhat.com>
5754
5755         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
5756         most 3 arguments are supported.
5757         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
5758
5759 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
5760
5761         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
5762         Ensure dst->current is valid.
5763
5764 2007-02-13  Paul Brook  <paul@codesourcery.com>
5765
5766         * config.gcc: Add arm*-*-uclinux-*eabi.
5767         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
5768         (SUBTARGET_EXTRA_LINK_SPEC): Define.
5769         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
5770         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
5771         (LINK_SPEC): Define.
5772         (LIB_SPEC): Define.
5773         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
5774         register.
5775         * config/arm/uclinux-eabi.h: New file.
5776         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
5777         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
5778         based targets.
5779
5780 2007-02-13  Ian Lance Taylor  <iant@google.com>
5781
5782         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
5783         * flags.h (warn_strict_overflow): Declare.
5784         (enum warn_strict_overflow_code): Define.
5785         (issue_strict_overflow_warning): New static inline function.
5786         * opts.c (warn_strict_overflow): New variable.
5787         (common_handle_option): Handle OPT_Wstrict_overflow and
5788         OPT_Wstrict_overflow_.
5789         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
5790         OPT_Wall.
5791         * fold-const.c: Include intl.h.
5792         (fold_deferring_overflow_warnings): New static variable.
5793         (fold_deferred_overflow_warning): New static variable.
5794         (fold_deferred_overflow_code): New static variable.
5795         (fold_defer_overflow_warnings): New function.
5796         (fold_undefer_overflow_warnings): New function.
5797         (fold_undefer_and_ignore_overflow_warnings): New function.
5798         (fold_deferring_overflow_warnings_p): New function.
5799         (fold_overflow_warning): New static function.
5800         (make_range): Add strict_overflow_p parameter.  Change all
5801         callers.
5802         (extract_muldiv, extract_muldiv_1): Likewise.
5803         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
5804         tree_expr_nonnegative_p.
5805         (fold_negate_expr): Call fold_overflow_warning.
5806         (fold_range_test): Likewise.
5807         (fold_comparison): Likewise.
5808         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
5809         instead of tree_expr_nonnegative_p.
5810         (tree_expr_nonnegative_warnv_p): Rename from
5811         tree_expr_nonnegative_p, add strict_overflow_p parameter.
5812         (tree_expr_nonnegative_p): New function.
5813         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
5814         strict_overflow_p parameter.
5815         (tree_expr_nonzero_p): New function.
5816         * passes.c (verify_interpass_invariants): New static function.
5817         (execute_one_pass): Call it.
5818         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
5819         warnings.
5820         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
5821         (estimate_numbers_of_iterations): Likewise.
5822         (scev_probably_wraps_p): Likewise.
5823         * tree-ssa-ccp.c: Include "toplev.h".
5824         (evaluate_stmt): Defer fold overflow warnings until we know we are
5825         going to optimize.
5826         (struct fold_stmt_r_data): Add stmt field.
5827         (fold_stmt_r): Defer fold overflow warnings until we know we
5828         optimized.
5829         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
5830         (fold_stmt_inplace): Likewise.
5831         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
5832         (cleanup_control_expr_graph): Defer fold overflow warnings until
5833         we know we are going to optimize.
5834         * tree-cfg.c (fold_cond_expr_cond): Likewise.
5835         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
5836         Likewise.
5837         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
5838         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
5839         * tree-ssa-loop-manip.c (create_iv): Likewise.
5840         * c-typeck.c (build_conditional_expr): Likewise.
5841         (build_binary_op): Likewise.
5842         * tree-vrp.c (vrp_expr_computes_nonzero): Call
5843         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
5844         (extract_range_from_unary_expr): Likewise.
5845         * simplify-rtx.c (simplify_const_relational_operation): Warn when
5846         assuming that signed overflow does not occur.
5847         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
5848         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
5849         (fold_defer_overflow_warnings): Declare.
5850         (fold_undefer_overflow_warnings): Declare.
5851         (fold_undefer_and_ignore_overflow_warnings): Declare.
5852         (fold_deferring_overflow_warnings_p): Declare.
5853         (tree_expr_nonzero_warnv_p): Declare.
5854         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
5855         of warning options.
5856         (Warning Options): Document -Wstrict-overflow.
5857         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
5858         (tree-ssa-ccp.o): Likewise.
5859         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
5860         (fold-const.o): Depend on intl.h.
5861
5862 2007-02-13  Ian Lance Taylor  <iant@google.com>
5863
5864         PR middle-end/30751
5865         * lower-subreg.c (resolve_simple_move): Decompose subregs in
5866         addresses.
5867
5868 2007-02-13  Stuart Hastings  <stuart@apple.com>
5869
5870         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
5871
5872 2007-02-13  Richard Henderson  <rth@redhat.com>
5873
5874         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
5875         handled_component_p before looking for the indirect_ref.
5876
5877 2007-02-13  Richard Henderson  <rth@redhat.com>
5878
5879         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
5880         remove flags clobber.
5881         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
5882         (bswaphi_lowpart): New.
5883         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
5884         remove TARGET_BSWAP test.  Delete expander of the same name.
5885
5886         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
5887         (expand_unop): Use them.
5888
5889 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
5890
5891         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
5892         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
5893         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
5894         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
5895         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
5896         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
5897         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
5898         assembler dialect choice from asm templates.
5899
5900 2007-02-12  Richard Henderson  <rth@redhat.com>
5901
5902         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
5903         (fixuns_trunc<SSEMODEF>si2): Use it.
5904         * config/i386/sse.md (vec_setv4sf_0): Export.
5905         * config/i386/i386.c (ix86_build_const_vector): Export.
5906         (ix86_split_convert_uns_si_sse): Rename from
5907         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
5908         * config/i386/i386-protos.h: Update.
5909
5910 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5911
5912         PR c/29521
5913         * c-typeck.c (c_finish_return): Improve warning message.
5914
5915 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5916
5917         * alias.c (find_symbolic_term): Delete unused function.
5918
5919 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
5920
5921         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
5922         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
5923         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
5924
5925 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
5926
5927         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
5928         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
5929         the function, temporarily point the debug interface to the null one.
5930
5931 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
5932
5933         * dwarf2out.c (round_up_to_align): New static function.
5934         (field_byte_offset): Use it to round the offset.
5935
5936 2007-02-12  Richard Henderson  <rth@redhat.com>
5937
5938         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
5939         (inswl_const): Export.
5940
5941 2007-02-12  Richard Henderson  <rth@redhat.com>
5942
5943         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
5944         result mode of the libcall, convert back to outmode.
5945
5946 2007-02-12  Roger Sayle  <roger@eyesopen.com>
5947
5948         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
5949         (bswapdi2): New define_expand to implement 32-bit implementation.
5950
5951 2007-02-12  Nick Clifton  <nickc@redhat.com>
5952
5953         * doc/invoke.texi (Overall Options): Document --help=.
5954         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
5955         (cc1_options): Pass --help= on to cc1.
5956         (display_help): Add description of --help=.
5957         (process_command): Add code to handle --help=.  Allow translated
5958         --help and --target-help switches to be passed on to compiler
5959         sub-process.
5960         (main): Remove unused if statement.
5961         * opts.c (columns): Remove.
5962         (LEFT_COLUMN): Define.
5963         (wrap_help): Add columns argument.
5964         (print_filtered_help): Change parameters to be an include bitmask,
5965         an exclude bitmask, an any bitmask and the column width.  Move the
5966         code to display the params list here.  Add code to display the
5967         status of options rather than their descriptions if the quiet flag
5968         is not active.
5969         (print_specific_help): Change parameters to be an include bitmask,
5970         an exclude bitmask and an any bitmask.  Move code to look up the
5971         column width here.  Decide upon the title for an options listing.
5972         (common_handle_options): Add code to handle --help=.  Adapt code
5973         for --help and --target-help to use the revised form of the
5974         print_specific_help function.
5975         (print_help): Delete.
5976         (print_param_help): Delete.
5977         (print_switch): Delete.
5978         * opts.h (cl_lang_count): Add prototype.
5979         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
5980         CL_MAX_OPTION_CLASS): New defines.
5981         * optc-gen.awk: Add construction of cl_lang_count.
5982         * c.opt: Add Warning attribute to warning options and Optimization
5983         attribute to optimization options.
5984         * common.opt: Likewise.
5985         Add --help=.
5986         Add -fhelp and -ftarget-help as aliases for the transformed --help
5987         and --target-help options.
5988         * opt-functions.awk: Add code to handle Warning and Optimization
5989         attributes.
5990
5991 2007-02-12  Richard Henderson  <rth@redhat.com>
5992
5993         * config/alpha/constraints.md: New file.
5994         * config/alpha/alpha.c: Include tm-constrs.h.
5995         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
5996         alpha_extra_constraint): Remove.
5997         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
5998         * config/alpha/alpha-protos.h: Update.
5999         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
6000         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
6001         (EXTRA_CONSTRAINT): Remove.
6002         * config/alpha/alpha.md: Include constraints.md.
6003         (adddi splitter): Use satisfies_constraint_*.
6004         * config/alpha/predicates.md (add_operand): Likewise.
6005         (sext_add_operand, addition_operation): Likewise.
6006
6007 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
6008
6009         PR tree-optimization/29145
6010         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
6011         in our handling of restrict qualified pointers.
6012
6013 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6014
6015         PR middle-end/7651
6016         * doc/invoke.texi (Wunused-value): Update description.
6017         (Wextra): Delete item.
6018         * opts.c (set_Wextra): Don't use the value of Wextra to set the
6019         value of Wunused-value.
6020         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
6021         (c_finish_stmt_expr): Don't check extra_warnings.
6022         (emit_side_effect_warnings): The caller is responsible to check
6023         warn_unused_value.
6024
6025 2007-02-11  Roger Sayle  <roger@eyesopen.com>
6026             Matt Thomas  <matt@3am-software.com>
6027
6028         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
6029
6030 2007-02-11  Roger Sayle  <roger@eyesopen.com>
6031
6032         * simplify-rtx.c (simplify_relational_operation_1): Optimize
6033         comparisons of POPCOUNT against zero.
6034         (simplify_const_relational_operation): Likewise.
6035
6036 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6037
6038         * doc/invoke.texi (Wextra): Delete outdated paragraph.
6039
6040 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6041
6042         * dwarf2out.c (root_type): Delete unused function.
6043
6044 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6045
6046         * genattrtab.c (contained_in_p): Delete unused function.
6047         (write_expr_attr_cache): Likewise.
6048
6049 2007-02-11  Jan Hubicka  <jh@suse.cz>
6050
6051         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
6052         previous patch.
6053
6054 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
6055
6056         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
6057         to add the REG_EQ* note.
6058         * see.c (see_merge_one_use_extension): Likewise.
6059         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
6060         turn REG_EQUAL notes into REG_EQUIV notes if the target
6061         register may have more than one set.
6062         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
6063         * gcse.c (try_replace_reg): Likewise.
6064         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
6065         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
6066         more than one REG_EQUIV note.
6067         * reload1.c (gen_reload): Use set_unique_reg_note.
6068
6069 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
6070
6071         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
6072         (ix86_builtin_conversion): New function.
6073
6074 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
6075
6076         PR target/29487
6077         * tree.h (DECL_REPLACEABLE_P): New macro.
6078         * except.c (set_nothrow_function_flags): Likewise.
6079
6080 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
6081             Ira Rosen  <irar@il.ibm.com>
6082             Dorit Nuzman  <dorit@il.ibm.com>
6083
6084         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
6085         * targhooks.c (default_builtin_vectorized_conversion): New.
6086         * targhooks.h (default_builtin_vectorized_function): New declaration.
6087         * target.h (struct vectorize): Add builtin_conversion field.
6088         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
6089         stmt_vec_info_type value.
6090         (vectorizable_conversion): New declaration.
6091         * tree-vect-analyze.c (vect_analyze_operations): Add
6092         vectorizable_conversion call.
6093         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
6094         * tree-vect-transform.c (vectorizable_conversion): New function.
6095         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
6096         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
6097         mode.
6098         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
6099         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
6100         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
6101         or ALTIVEC_BUILTIN_VCFSX.
6102
6103 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6104
6105         PR target/30634
6106         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
6107         CONST_DOUBLE and operand 0 is a hard register.
6108         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
6109         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
6110         is a hard floating-point register.
6111
6112 2007-02-10  Richard Henderson  <rth@redhat.com>
6113             Jakub Jelinek  <jakub@redhat.com>
6114             Alexandre Oliva  <aoliva@redhat.com>
6115
6116         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
6117         * builtin-types.def (BT_WORD): Make unsigned.
6118         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
6119         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
6120         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
6121         * c-decl.c (grokdeclarator): Don't error if !have_tls.
6122         * c-parser.c (c_parser_omp_threadprivate): Likewise.
6123         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
6124         emulated tls.
6125         * expr.c (emutls_var_address): New.
6126         (expand_expr_real_1): Expand emulated tls.
6127         (expand_expr_addr_expr_1): Likewise.
6128         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
6129         * output.h (emutls_finish): Declare.
6130         * toplev.c (compile_file): Call it.
6131         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
6132         address before wrapping in CONST.
6133         * varasm.c (emutls_htab, emutls_object_type): New.
6134         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
6135         (get_emutls_object_name, get_emutls_object_type): New.
6136         (get_emutls_init_templ_addr, emutls_decl): New.
6137         (emutls_common_1, emutls_finish): New.
6138         (assemble_variable): When emulating tls, swap decls; generate
6139         constructor for the emutls objects.
6140         (do_assemble_alias): When emulating tls, swap decl and target name.
6141         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
6142         for emulated tls.
6143         * varpool.c (decide_is_variable_needed): Look at force_output.
6144         Recurse for emulated tls.
6145         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
6146         with decide_is_variable_needed.
6147         * emutls.c: New file.
6148         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
6149         tls_object for real tls.
6150
6151 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
6152
6153         PR rtl-optimization/29599
6154         * reload1.c (eliminate_regs_in_insn): Take the destination
6155         mode into account when computing the offset.
6156
6157 2007-02-09  Stuart Hastings  <stuart@apple.com>
6158             Richard Henderson  <rth@redhat.com>
6159
6160         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
6161         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
6162         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
6163         fixuns_truncdfhi2): New.
6164         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
6165         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
6166         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
6167         (floatunssidf2): Allow nonimmediate source.
6168         * gcc/config/i386/sse.md (movdi_to_sse): New.
6169         (vec_concatv2di): Drop '*'.
6170         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
6171         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
6172         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
6173         New.
6174         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
6175         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
6176         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
6177         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
6178         (ix86_build_signbit_mask): Fix decl of v, refactor to call
6179         ix86_build_const_vector.
6180         (x86_emit_floatuns): Rewrite.
6181
6182 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6183
6184         * genautomata.c (longest_path_length): Delete unused function.
6185         (struct state): Delete unused longest_path_length.
6186         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
6187         (get_free_state): Delete unused.
6188
6189 2007-02-09  Jan Hubicka  <jh@suse.cz>
6190
6191         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
6192         * doc/invoke.texi (inline-unit-growth): Update default value.
6193
6194         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
6195         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
6196         (rebuild_cgraph_edges): Likewise.
6197         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
6198         (dump_cgraph_node): Dump frequencies.
6199         (cgraph_clone_edge): Add frequency scales.
6200         (cgraph_clone_node): Add freuqnecy.
6201         * cgraph.h (cgraph_edge): Add freuqnecy argument.
6202         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
6203         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
6204         * tree-pass.h (TODO_rebuild_frequencies): New constant.
6205         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
6206         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
6207         (save_inline_function_body): Likewise.
6208         * ipa-inline.c: inluce rtl.h
6209         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
6210         (cgraph_edge_badness): Use frequencies.
6211         (cgraph_decide_recursive_inlining): Update clonning.
6212         (cgraph_decide_inlining_of_small_function): Dump frequency.
6213         * predict.c (estimate_bb_frequencies): Export.
6214         * predict.h (estimate_bb_frequencies): Declare.
6215         * tree-inline.c (copy_bb): Watch overflows.
6216         (expand_call_inline): Update call of cgraph_create_edge.
6217         (optimize_inline_calls): Use TODO flags to update frequnecies.
6218         * passes.h: Include predict.h
6219         (init_optimization_passes): Move profile ahead.
6220         (execute_function_todo): Handle TODO_rebuild_frequencies.
6221
6222 2007-02-09  Roger Sayle  <roger@eyesopen.com>
6223
6224         * config/alpha/alpha.c (emit_insxl): Force the first operand of
6225         the insbl or inswl pattern into a register.
6226
6227 2007-02-09  Roger Sayle  <roger@eyesopen.com>
6228
6229         * config/ia64/ia64.md (bswapdi2): New define_insn.
6230
6231 2007-02-09  Richard Henderson  <rth@redhat.com>
6232
6233         * config/i386/constraints.md (Ym): New constraint.
6234         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
6235         (movdi_1_rex64): Split sse and xmm general register moves from
6236         memory move alternatives.  Use conditional register constraints.
6237         (movsf_1, movdf_integer): Likewise.
6238         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
6239         (movdf_integer_rex64): New.
6240         (pushsf_rex64): Fix output constraints.
6241         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
6242         (sse2_stored): Likewise.
6243         (sse2_storeq_rex64): New.
6244         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
6245         amd and not generic.
6246         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
6247         for optimize_size.  Remove SF/DFmode hack.
6248
6249 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6250
6251         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
6252         (bit_SSE4a): New.
6253
6254 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
6255             Richard Sandiford  <richard@codesourcery.com>
6256
6257         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
6258         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
6259         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
6260         m68k/t-mlib to tmake_file.
6261         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
6262         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
6263         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
6264         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
6265         variable is not empty, add t-$m68k_arch_family to tmake_file.
6266         Add t-mlibs to tmake_file.
6267         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
6268         * config/m68k/t-cf: New file.
6269         * config/m68k/t-m68k: Likewise.
6270         * config/m68k/t-mlibs: Likewise.
6271         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6272         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6273         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
6274         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6275         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
6276         Delete.
6277         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
6278         (INSTALL_LIBGCC): Delete.
6279         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
6280         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6281         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6282         (M68K_MLIB_CPU): Define.
6283         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6284         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6285         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
6286
6287 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
6288             Richard Guenther  <rguenther@suse.de>
6289
6290         PR middle-end/23361
6291         * fold-const.c (fold_comparison): Handle obfuscated comparisons
6292         against INT_MIN/INT_MAX.
6293         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
6294         file if a loop is removed.
6295
6296 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
6297
6298         * calls.c (store_one_arg): Pass correct alignment to
6299         emit_push_insn for non-BLKmode values.
6300         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
6301         unaligned stack slot via a suitably aligned slot.
6302
6303 2007-02-08  DJ Delorie  <dj@redhat.com>
6304
6305         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
6306         warnings.
6307         (legal_subregs): Use unsigned char, make const.
6308         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
6309
6310 2007-02-08  Paul Brook  <paul@codesourcery.com>
6311
6312         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
6313         special interworking needed.
6314
6315 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
6316
6317         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
6318         conditional to __SSE2__.
6319         (Entries below should have been added to first ChangeLog
6320         entry for amdfam10 dated 2007-02-05)
6321         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
6322         defined.
6323         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
6324         defined.
6325         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
6326         defined.
6327
6328 2007-02-08  DJ Delorie  <dj@redhat.com>
6329
6330         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
6331         * config/m32c/m32c.c (legal_subregs): New.
6332         (m32c_illegal_subreg_p): New.
6333         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
6334         unsupported subregs of hard regs.
6335
6336 2007-02-08  Jan Hubicka  <jh@suse.cz>
6337
6338         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
6339         the same one; always update histograms.
6340
6341 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
6342
6343         * passes.c (init_optimization_passes): Tidy comment.
6344
6345 2007-02-08  Roger Sayle  <roger@eyesopen.com>
6346
6347         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
6348         strip zero_extend, bswap and rotates from POCOUNT's argument.
6349         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
6350         zero_extend and rotates from PARITY's argument.
6351         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
6352         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
6353         of an integer constant at compile-time.
6354
6355 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
6356
6357         PR 30562
6358         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
6359         Update all users.
6360         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
6361         users.
6362         (init_alias_info):
6363         * tree-ssa-live.c (remove_unused_locals): Do not remove
6364         TREE_ADDRESSABLE variables.
6365         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
6366         * tree-ssa-operands.c (add_virtual_operand): Remove argument
6367         FOR_CLOBBER.  Update all users.
6368         If VAR has an associated alias set, add a virtual operand for
6369         it if no alias is found to conflict with the memory reference.
6370
6371 2007-02-07  Jan Hubicka  <jh@suse.cz>
6372             Robert Kidd <rkidd@crhc.uiuc.edu>
6373
6374         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
6375
6376 2007-02-07  Ian Lance Taylor  <iant@google.com>
6377
6378         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
6379
6380 2007-02-07  Roger Sayle  <roger@eyesopen.com>
6381
6382         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
6383         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
6384         tablejumpdi, movsi_to_cr_one): Remove constraints from
6385         define_expand's match_operands.
6386
6387 2007-02-07  Roger Sayle  <roger@eyesopen.com>
6388
6389         * global.c (compute_regsets): Move declatation of "i" inside of
6390         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
6391
6392 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
6393
6394         PR c++/30703
6395         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
6396         of INDIRECT_REF <RESULT_DECL>.
6397
6398         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
6399
6400 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
6401             Kaz Kojima  <kkojima@gcc.gnu.org>
6402
6403         PR target/29746
6404         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
6405         properly.
6406         (sh_initialize_trampoline): Add parentheses to avoid a warning.
6407
6408 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
6409
6410         * doc/loop.texi: Document possibility not to perform disambiguation
6411         of loops with multiple latches.
6412         * cfgloopmanip.c (alp_enum_p): Removed.
6413         (add_loop): Handle subloops.  Use get_loop_body_with_size.
6414         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
6415         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
6416         the new forwarder block.
6417         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
6418         Handle the case latch is NULL.
6419         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
6420         when marking loop exits.
6421         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
6422         be modified.
6423         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
6424         disambiguate_loops_with_multiple_latches.
6425         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
6426         before fix_loop_structure.
6427         * cfgloop.c: Include pointer-set.h and output.h.
6428         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
6429         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
6430         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
6431         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
6432         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
6433         disambiguate_multiple_latches, get_loop_body_with_size,
6434         disambiguate_loops_with_multiple_latches): New functions.
6435         (flow_loop_dump): Dump multiple latch edges.
6436         (flow_loop_nodes_find): Handle loops with multiple latches.
6437         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
6438         (glb_enum_p): Modified.
6439         (get_loop_body): Use get_loop_body_with_size.
6440         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
6441         (AVOID_CFG_MODIFICATIONS): New constant.
6442         (disambiguate_loops_with_multiple_latches, add_loop,
6443         get_loop_body_with_size): Declare.
6444         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
6445
6446 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
6447
6448         PR inline-asm/28686
6449         * global.c (compute_regsets): New function.
6450         (global_alloc): Refactored ELIMINABLE_REGSET
6451         and NO_GLOBAL_ALLOC_REGS computation out.
6452         (rest_of_handle_global_alloc): Call compute_regsets()
6453         for non-optimizing case.
6454
6455 2007-02-06  Richard Henderson  <rth@redhat.com>
6456
6457         * config/i386/constraints.md (Y2): Rename from Y.
6458         (Yi): New constraint.
6459         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
6460         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
6461         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
6462         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
6463         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
6464         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
6465         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
6466         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
6467         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
6468         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
6469         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
6470         vec_extractv2si_1): Change Y constraints to Y2.
6471         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
6472         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
6473         Change Y constraints to Y2.
6474         (sse2_loadld): Change Y constraints to x.
6475
6476 2007-02-06  Roger Sayle  <roger@eyesopen.com>
6477
6478         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
6479         (parity<mode>2): New define_expand using rs6000_emit_parity.
6480         * config/rs6000/rs6000.c (rs6000_emit_popcount,
6481         rs6000_emit_parity): New functions.
6482         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
6483         rs6000_emit_parity): Prototype here.
6484
6485 2007-02-06  Ian Lance Taylor  <iant@google.com>
6486
6487         * lower-subreg.c (simple_move_operand): Reject CONST.
6488         (resolve_clobber): Call validate_change rather than directly
6489         assigning to XEXP (pat, 0).
6490
6491 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
6492
6493         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
6494         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
6495         (tree-cfg.o): Remove hashtab.h dependency.
6496
6497         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
6498         (struct ivopts_data): Change niters to pointer_map_t.
6499         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
6500         (niter_for_exit): Create pointer_map on demand.  Change for
6501         pointer_map API.
6502         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
6503         (free_loop_data): Destroy data->niters if created and reset field.
6504         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
6505         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
6506
6507         * tree-ssa-reassoc.c: Include pointer-set.h.
6508         (bb_rank): Change to long *.
6509         (operand_rank): Change to pointer_map_t.
6510         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
6511         (insert_operand_rank): Accept long.
6512         (operand_entry_hash, operand_entry_eq): Remove.
6513         (get_rank): Return long.  Adjust for changes above.
6514         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
6515         and operand_rank.
6516         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
6517
6518         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
6519         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
6520         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
6521         is not NULL.
6522         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
6523         directly since it cannot be NULL.
6524         (get_vi_for_tree): Rewrite for pointer_map API.
6525         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
6526         (init_alias_vars): Create vi_for_tree as pointer_map.
6527         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
6528
6529         * tree-cfg.c: Don't include hashtab.h.
6530         (edge_to_cases): Declare as pointer_map.
6531         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
6532         Delete.
6533         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
6534         (start_recording_case_labels): Create edge_to_cases as pointer_map.
6535         (end_recoding_case_labels): Cleanup edge_to_cases manually before
6536         destroying it.
6537         (record_switch_edge): Delete.
6538         (get_cases_for_edge): Adjust for pointer_map API, inline
6539         record_switch_edge (rewritten for new API), remove goto.
6540
6541 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
6542
6543         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
6544         * tree-nested.c: Include pointer-set.h.
6545         (var_map_elt, var_map_eq, var_map_hash): Delete.
6546         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
6547         to pointer_map_t's.
6548         (nesting_info_bitmap_obstack): New.
6549         (lookup_field_for_decl): Adjust for pointer_map API.
6550         (lookup_tramp_for_decl): Adjust for pointer_map API.
6551         (get_nonlocal_debug_decl): Adjust for pointer_map API.
6552         (get_local_debug_decl): Adjust for pointer_map API.
6553         (convert_nl_goto_reference): Adjust for pointer_map API.
6554         (convert_nl_goto_receiver): Adjust for pointer_map API.
6555         (create_nesting_tree): Create outside GGC space.  Create bitmap on
6556         the new obstack.  Create field_map and var_map as pointer_maps.
6557         (free_nesting_tree): Adjust for changes to create_nesting_tree.
6558         (root): Delete.
6559         (lower_nested_functions): Move root here, no need to NULL it.
6560         Initialize and release the obstack.
6561
6562 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
6563
6564         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
6565         Remove prototypes and make them non-static.
6566         (struct tree_int_map): Remove.
6567         * tree.h (struct tree_int_map): Move here, turning TO into an
6568         unsigned int.
6569         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
6570
6571         * tree.h (TREE_COMPLEXITY): Remove.
6572         (struct tree_exp): Remove complexity field.
6573         * tree.c (build1_stat): Don't set it.
6574
6575 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
6576             Victor Kaplansky  <victork@il.ibm.com>
6577
6578         * tree-vectorizer.c (vect_is_simple_use): Support induction.
6579         (vect_is_simple_reduction): Support reduction with induction as
6580         one of the operands.
6581         (vect_is_simple_iv_evolution): Fix formatting.
6582         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
6583         formatting.  Don't mark induction phis for vectorization.
6584         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
6585         * tree-vect-transform.c (get_initial_def_for_induction): New function.
6586         (vect_get_vec_def_for_operand): Support induction.
6587         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
6588         induction case.
6589         (vectorizable_reduction): Support reduction with induction as one of
6590         the operands.
6591         (vectorizable_type_demotion): Use def-type of stmt argument rather
6592         than dummy def-type.
6593
6594         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
6595         flag_tree_scev_cprop.
6596         * common.opt (tree-scev-cprop): New flag.
6597
6598         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
6599         call to vect_get_new_vect_var.
6600
6601 2007-02-06  Ira Rosen  <irar@il.ibm.com>
6602
6603         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
6604         vectype is not NULL.
6605         (vect_pattern_recog_1): Likewise.
6606
6607 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6608
6609         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
6610         (fold_negate_expr): Likewise.
6611
6612 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
6613
6614         PR debug/30189
6615         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
6616         even if cv-qualification is the same.
6617
6618 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
6619
6620         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
6621         __enable_execute_stack on completion.
6622
6623 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6624
6625         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
6626         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
6627         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
6628         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
6629         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
6630         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
6631         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
6632         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
6633
6634 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6635
6636         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
6637         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
6638         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
6639         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
6640         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
6641         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
6642         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
6643         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
6644         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
6645         umuldi3_highpart_rex64, umulsi3_highpart_insn,
6646         umulsi3_highpart_zext, smuldi3_highpart_rex64,
6647         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
6648         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
6649         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
6650         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
6651         sqrtextenddfxf2_i387): Added amdfam10_decode.
6652
6653         * config/i386/athlon.md (athlon_idirect_amdfam10,
6654         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
6655         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
6656         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
6657         athlon_ivector_store_amdfam10): New define_insn_reservation.
6658         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
6659         amdfam10.
6660
6661 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6662
6663         * config/i386/athlon.md (athlon_call_amdfam10,
6664         athlon_pop_amdfam10, athlon_lea_amdfam10): New
6665         define_insn_reservation.
6666         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
6667         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
6668         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
6669
6670 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6671
6672         * config/i386/athlon.md (athlon_sseld_amdfam10,
6673         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
6674         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
6675
6676 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6677
6678         * config/i386/athlon.md (athlon_sseins_amdfam10): New
6679         define_insn_reservation.
6680         * config/i386/i386.md (sseins): Added sseins to define_attr type
6681         and define_attr unit.
6682         * config/i386/sse.md: Set type attribute to sseins for insertq
6683         and insertqi.
6684
6685 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6686
6687         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
6688         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
6689         ssecomi_load_amdfam10, ssecomi_amdfam10,
6690         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
6691         define_insn_reservation.
6692         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
6693
6694 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6695
6696         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
6697         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
6698         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
6699         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
6700         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
6701         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
6702         define_insn_reservation.
6703
6704         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
6705         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
6706         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
6707         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
6708         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
6709
6710 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6711
6712         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
6713         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
6714         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
6715         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
6716         athlon_ssemul_load_k8): Added amdfam10.
6717
6718 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6719
6720         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
6721         (x86_sse_unaligned_move_optimal): New variable.
6722
6723         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
6724         m_AMDFAM10.
6725         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
6726         for unaligned vector SSE double/single precision loads for AMDFAM10.
6727
6728 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6729
6730         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
6731         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
6732         Define TARGET_CPU_DEFAULT_amdfam10.
6733         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
6734         (processor_type): Add PROCESSOR_AMDFAM10.
6735
6736         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
6737         processor_type in config/i386/i386.h.
6738         Enable imul peepholes for TARGET_AMDFAM10.
6739
6740         * config.gcc: Add support for --with-cpu option for amdfam10.
6741
6742         * config/i386/i386.c (amdfam10_cost): New variable.
6743         (m_AMDFAM10): New macro.
6744         (m_ATHLON_K8_AMDFAM10): New macro.
6745         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
6746         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
6747         x86_promote_QImode, x86_integer_DFmode_moves,
6748         x86_partial_reg_dependency, x86_memory_mismatch_stall,
6749         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
6750         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
6751         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
6752         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
6753         Enable/disable for amdfam10.
6754         (override_options): Add amdfam10_cost to processor_target_table.
6755         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
6756         processor_alias_table.
6757         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
6758         (ix86_adjust_cost): Add code for amdfam10.
6759
6760 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6761
6762         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
6763         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
6764         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
6765         * config/i386/i386.h: Add builtin definition for SSE4A.
6766         * config/i386/i386.md: Add support for ABM instructions
6767         (popcnt and lzcnt).
6768         * config/i386/sse.md: Add support for SSE4A instructions
6769         (movntss, movntsd, extrq, insertq).
6770         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
6771         Add -march=amdfam10 flag.
6772         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
6773         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
6774         and amdfam10.
6775         * doc/extend.texi: Add documentation for SSE4A builtins.
6776
6777 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
6778
6779         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
6780
6781 2007-02-05  Richard Guenther  <rguenther@suse.de>
6782
6783         * tree-vectorizer.h (vectorizable_function): Add argument type
6784         argument, change return type.
6785         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
6786         * tree-vect-transform.c (vectorizable_function): Handle extra
6787         argument, return vectorized function decl.
6788         (build_vectorized_function_call): Remove.
6789         (vectorizable_call): Handle calls with result and argument types
6790         differing.  Handle loop vectorization factor correctly.
6791         * targhooks.c (default_builtin_vectorized_function): Adjust for
6792         extra argument.
6793         * targhooks.h (default_builtin_vectorized_function): Likewise.
6794         * target.h (builtin_vectorized_function): Add argument type
6795         argument.
6796         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
6797         extra argument, allow vectorizing of lrintf.
6798         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
6799         documentation of target hook.
6800
6801 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
6802
6803         PR target/30665
6804         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
6805         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
6806         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
6807
6808 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6809
6810         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
6811         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
6812         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
6813         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
6814         before canonicalizing sincos to cexpi.
6815         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
6816
6817 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6818
6819         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
6820         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
6821         (alpha_init_builtins): Use alpha_add_builtins to process tables.
6822
6823 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6824
6825         * mips-tfile.c (initialize_init_file): Correct endianness test.
6826
6827 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
6828
6829         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
6830         the 'y' constraint.
6831
6832 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
6833
6834         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
6835         saves in a PARALLEL before the register assignments.
6836
6837 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
6838
6839         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
6840         DWARF_FRAME_RETURN_COLUMN to be a general register.
6841         * dwarf2out.c (init_return_column_size): New function, split from...
6842         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
6843         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
6844         to be nongeneral registers.
6845         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
6846         integer registers.
6847         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
6848         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
6849
6850 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
6851
6852         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
6853
6854 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
6855
6856         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
6857         (remove_path): Use can_remove_branch_p and remove_branch instead
6858         of loop_delete_branch_edge.
6859         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
6860         (tree_transform_and_unroll_loop): Remove dead branches immediately.
6861         Update profile using scale_dominated_blocks_in_loop.
6862         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
6863         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
6864         (can_remove_branch_p, remove_branch): Declare.
6865         * tree-cfg.c (tree_can_remove_branch_p): New function.
6866         (tree_cfg_hooks): Add tree_can_remove_branch_p.
6867         * cfgrtl.c (rtl_can_remove_branch_p): New function.
6868         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
6869
6870 2007-02-05  Jan Hubicka  <jh@suse.cz>
6871
6872         PR middle-end/30696
6873         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
6874         nodes in cgraph, don't remove offline copy of the function.
6875
6876 2007-02-04  Jan Hubicka  <jh@suse.cz>
6877
6878         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
6879         vectors might cause maybe_lookup_element_for_expr to be called
6880         on non-sra-candidate.
6881
6882 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6883
6884         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
6885         config/bfin/bfin.md, config/bfin/predicates.md: Follow
6886         spelling conventions.
6887
6888 2007-02-04  Richard Guenther  <rguenther@suse.de>
6889
6890         PR middle-end/30636
6891         * fold-const.c (try_move_mult_to_index): Make sure to not
6892         overflow one dimension of a multi-dimensional array access.
6893
6894 2007-02-04  Jan Hubicka  <jh@suse.cz>
6895
6896         * passes.c (init_optimization_passes): Reindent.
6897
6898 2007-02-04  Jan Hubicka  <jh@suse.cz>
6899             Eric Botcazou  <ebotcazou@adacore.com>
6900
6901         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
6902         (execute_fixup_cfg): Break out the abnormal goto code.
6903         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
6904         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
6905         (optimize_inline_calls): Call make_nonlocal_label_edges.
6906
6907 2007-02-04  Jan Hubicka  <jh@suse.cz>
6908
6909         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
6910         true when something was changed.
6911         (rename_ssa_copies): When something was changed, do
6912         TODO_remove_unused_locals.
6913         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
6914         add TODO_remove_unused_locals when instruction was removed.
6915
6916 2007-02-04  Jan Hubicka  <jh@suse.cz>
6917
6918         * ipa-inline.c (try_inline): Improve debug output; work on already
6919         inline edges too.
6920         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
6921         call try_inline for already inlined edges too when flattening;
6922         inline also functions that make callee growth but overall unit size
6923         reduce.
6924
6925 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6926
6927         * config/m32c/bitops.md, config/m32c/jump.md,
6928         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
6929         config/m32r/m32r.h, config/m32r/m32r.md,
6930         config/m32r/predicates.md, config/m68hc11/larith.asm,
6931         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
6932         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
6933         config/mips/mips-protos.h, config/mips/mips.c,
6934         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
6935         config/mn10300/mn10300.h, config/mn10300/predicates.md,
6936         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
6937         spelling conventions.
6938
6939         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
6940         Follow spelling conventions.
6941
6942 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
6943
6944         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
6945         warn about C++0x compatibility.
6946
6947 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6948
6949         * config/h8300/h8300.c, config/h8300/h8300.h,
6950         config/h8300/h8300.md: Follow spelling conventions.
6951
6952 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
6953
6954         PR middle-end/30667
6955         * combine.c (try_combine): Do not substitute source operand
6956         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
6957
6958 2007-02-03  Jan Hubicka  <jh@suse.cz>
6959
6960         PR gcov-profile/30650
6961         * value-prof.c (stringop_block_profile): Fix handling of size counter;
6962         do not divide by zero for never executed counters.
6963         (tree_find_values_to_profile): Fix counters.
6964         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
6965
6966 2007-02-03  Ian Lance Taylor  <iant@google.com>
6967
6968         * lower-subreg.c (simple_move_operand): New static function,
6969         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
6970         operands.
6971         (simple_move): Call simple_move_operand.
6972         (find_decomposable_subregs): Add special handling of MEMs.
6973         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
6974         meaning of return value.  If we see a hard register, test whether
6975         it can store a word_mode value.  Change all callers.
6976
6977 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6978
6979         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
6980         ftrapv insns and expanders.
6981         (subdi3): Change define_expand operand 1 to arith11_operand, and
6982         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
6983         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
6984         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
6985         respectively.
6986
6987         PR middle-end/30174
6988         * varasm.c (notice_global_symbol): Treat global objects as weak when
6989         flag_shlib is true.
6990
6991 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6992
6993         * emit-rtl.c (dconstpi): Delete.
6994         (dconstsqrt2): New.
6995         (init_emit_once): Delete dconstpi and init dconstsqrt2.
6996         * real.h (dconstpi): Delete.
6997         (dconstsqrt2): New.
6998         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
6999         (fold_builtin_hypot): Likewise.
7000
7001 2007-02-03  Tom Tromey  <tromey@redhat.com>
7002
7003         PR driver/30246
7004         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
7005         -gcoff3, -gxcoff3, -gvms3 implies -dD.
7006
7007 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
7008
7009         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
7010         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
7011         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
7012         config/rs6000/cell.md, config/rs6000/darwin.h,
7013         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
7014         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
7015         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
7016         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
7017         typos.  Follow spelling conventions.
7018         * doc/invoke.texi: Follow spelling conventions.
7019
7020 2007-02-03  Roger Sayle  <roger@eyesopen.com>
7021
7022         * simplify-rtx.c (simplify_relational_operation_1): Implement some
7023         canonicalization transformations that attempt to simplify integer
7024         constant comparisons to become comparisons against zero.
7025
7026 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7027
7028         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
7029         fabs(x)*sqrt(2).
7030         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
7031         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
7032
7033 2007-02-02  Mike Stump  <mrs@apple.com>
7034
7035         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
7036         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
7037         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
7038         generate a branch island.
7039
7040 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
7041
7042         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
7043         (xtensa_legitimate_address_p): New.
7044         (xtensa_legitimize_address): New.
7045         (xtensa_output_addr_const_extra): New.
7046         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
7047         (BASE_REG_P): New.
7048         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
7049         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
7050         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
7051         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
7052         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
7053         (xtensa_legitimize_address): New.
7054         (xtensa_output_addr_const_extra): New.
7055
7056 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
7057
7058         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
7059
7060 2007-02-02  Ian Lance Taylor  <iant@google.com>
7061
7062         * expmed.c (expand_divmod): Add comment.
7063
7064 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
7065
7066         * emit-rtl.c (renumber_insns): Remove.
7067         * flags.h: Remove the extern for flag_renumber_insns.
7068         * rtl.h: Remove the prototype for renumber_insns.
7069         * toplev.c (flag_renumber_insns): Remove.
7070
7071 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
7072
7073         Revert for x86 darwin:
7074         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
7075
7076         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
7077         code before the following patch under TARGET_MACHO.
7078         (ix86_function_value_regno_p): Likewise.
7079
7080 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7081
7082         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
7083         COMPLEX_EXPR.
7084
7085 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
7086
7087         PR target/29682
7088         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
7089         general or fp registers.  Add comments.
7090         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
7091
7092 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
7093
7094         * pointer-set.c (insert_aux): Only return insertion slot.
7095         (pointer_set_insert): Adjust.
7096         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
7097         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
7098         pointer_map_traverse): New.
7099         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
7100         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
7101         pointer_map_contains, pointer_map_traverse): Declare.
7102
7103 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
7104
7105         PR middle-end/30473
7106         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
7107         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
7108
7109 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
7110
7111         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
7112
7113         (struct _dep): New type.
7114         (dep_t): New typedef.
7115         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
7116         (DEP_STATUS): New access macro.  The macro with the same name was
7117         renamed to DEP_LINK_STATUS.
7118         (dep_init): Declare function
7119
7120         (struct _dep_link): New type.
7121         (dep_link_t): New typedef.
7122         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
7123         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
7124         (DEP_LINK_STATUS): New macro.
7125         (debug_dep_links): New debug function.
7126
7127         (struct _deps_list): New type.
7128         (deps_list_t): New typedef.
7129         (DEPS_LIST_FIRST): New access macro.
7130         (FOR_EACH_DEP_LINK): New cycle macro.
7131         (create_deps_list, free_deps_list, delete_deps_list): Declare
7132         functions.
7133         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
7134         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
7135         (copy_deps_list_change_con): Ditto.
7136
7137         (move_dep_link): Declare function.
7138
7139         (struct _dep_node): New type.
7140         (dep_node_t): New typedef.
7141         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
7142
7143         (struct haifa_insn_data.back_deps): New field to hold backward
7144         dependencies of the insn.
7145         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
7146         to deps_list_t.
7147         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
7148         Change its type to deps_list_t.
7149         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
7150         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
7151         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
7152
7153         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
7154
7155         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
7156
7157         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
7158         all callers.
7159         (dep_cost): Declare.
7160
7161         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
7162         (ds_to_dk, dk_to_ds): New functions.
7163
7164         (init_dep_1): New static function.
7165         (init_dep): New function.
7166         (copy_dep): New static function.
7167
7168         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
7169         functions.
7170         (detach_dep_link): New static function.
7171         (move_dep_link): New function.
7172
7173         (dep_links_consistent_p, dump_dep_links): New static functions.
7174         (debug_dep_links): New debugging function.
7175
7176         (deps_obstack, dl_obstack, dn_obstack): New static variables.
7177
7178         (alloc_deps_list, init_deps_list): New static functions.
7179         (create_deps_list): New function.
7180         (clear_deps_list): New static function.
7181         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
7182         (deps_list_consistent_p, dump_deps_list): New static functions.
7183         (debug_deps_list): New function.
7184         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
7185         functions.
7186         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
7187
7188         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
7189         use new scheduler dependencies lists.
7190         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
7191         (sched_analyze): Ditto.  Initialize dependencies lists.
7192         (add_forw_dep, compute_forward_dependences): Update to use new
7193         scheduler dependencies lists.
7194
7195         (init_dependency_caches): Init deps_obstack.
7196         (free_dependency_caches): Free deps_obstack.
7197
7198         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
7199         new scheduler dependencies lists.
7200         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
7201         (add_back_forw_dep, delete_back_forw_dep): Ditto.
7202
7203         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
7204         Update to use new scheduler dependencies lists.
7205         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
7206         (debug_dependencies): Ditto.
7207         (schedule_region): Update comments.
7208
7209         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
7210         scheduler dependencies lists.
7211         (schedule_ebb): Update comments.
7212
7213         * rtl.def (DEPS_LIST): Remove.
7214
7215         * lists.c (unused_deps_list): Remove.
7216         (free_list): Update assertions.
7217
7218         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
7219         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
7220
7221         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
7222         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
7223
7224         * haifa-sched.c (comments): Update.
7225         (insn_cost1): Remove.  Inline the code into insn_cost ().
7226         (insn_cost): Update to use new scheduler dependencies lists.  Move
7227         processing of the dependency cost to dep_cost ().
7228         (dep_cost): New function.  Use it instead of insn_cost () when
7229         evaluating cost of the dependency.  Use compatible interface to
7230         interact with the target.
7231         (priority): Update to use new scheduler dependencies lists.
7232         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
7233         with greater number of insns that depend on the insn.
7234         (schedule_insn): Update to use new scheduler dependencies lists.  Add
7235         code to free backward dependencies lists.  Inline and optimize code
7236         from resolve_dep () - see PR28071.
7237         (ok_for_early_queue_removal): Update to use new scheduler dependencies
7238         lists.  Update call to targetm.sched.is_costly_dependence hook.
7239
7240         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
7241         scheduler dependencies lists.
7242
7243         (resolve_dep): Remove.  Move the logic to schedule_insn ().
7244         (init_h_i_d): Initialize dependencies lists.
7245
7246         (process_insn_depend_be_in_spec): Rename to
7247         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
7248         dependencies lists.
7249         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
7250         Update to use new scheduler dependencies lists.
7251         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
7252
7253         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
7254         new scheduler dependencies lists.
7255         (build_intra_loop_deps): Ditto.
7256
7257         * target.h (struct _dep): Declare to use in
7258         gcc_target.sched.is_costly_dependence.
7259         (struct gcc_target.sched.adjust_cost): Fix typo.
7260         (struct gcc_target.sched.is_costly_dependence): Change signature to use
7261         single dep_t parameter instead of an equivalent triad.
7262         (struct gcc_target.sched.adjust_cost_2): Remove.
7263
7264         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
7265
7266         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
7267
7268         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
7269         documentation.
7270         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
7271
7272         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
7273         (REG_DEP_TRUE): Document.
7274
7275         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
7276         Change signature to correspond to the targetm.sched.adjust_cost hook.
7277         Update use in TARGET_SCHED_ADJUST_COST_2.
7278         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
7279         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
7280         new scheduler dependencies lists.
7281         (ia64_gen_check): Ditto.
7282
7283         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
7284         dependencies lists.
7285
7286         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
7287         signature to correspond to the targetm.sched.is_costly_dependence hook.
7288         (is_costly_group): Update to use new scheduler dependencies lists.
7289
7290         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
7291         instead of INSN_COST () macro.
7292
7293 2007-02-01  Ian Lance Taylor  <iant@google.com>
7294
7295         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
7296
7297 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
7298
7299         * pa.md (tp_load): Correct mfctl instruction syntax.
7300
7301 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
7302
7303         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
7304         altivec_padding_size calculation on AIX.  Improve comment, add
7305         assert to verify that it's right.
7306
7307         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
7308         64-bit.
7309
7310 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
7311
7312         PR inline-asm/28686
7313         * global.c (global_alloc): Add mising initialization of
7314         ELIMINABLE_REGSET.
7315
7316 2007-02-01  Roger Sayle  <roger@eyesopen.com>
7317
7318         * alias.c (init_alias_analysis): Correct whitespace.
7319         * bb-reorder.c (fix_edges_for_rarely_executed_code,
7320         partition_hot_cold_basic_blocks): Likewise.
7321         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
7322         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
7323         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
7324         fold_builtin_snprintf_chk, fold_builtin_printf,
7325         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
7326         do_mpfr_arg3, do_mpfr_sincos): Likewise.
7327         * cfgcleanup.c (cleanup_cfg): Likewise.
7328         * cfgexpand.c (tree_expand_cfg): Likewise.
7329         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
7330         * function.c (get_next_funcdef_no): Likewise.
7331         * gengtype.c (main): Likewise.
7332         * genmodes.c (main): Likewise.
7333         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
7334         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
7335         * ifcvt.c (noce_emit_move_insn): Likewise.
7336         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
7337         Likewise.
7338         * stor-layout.c (get_best_mode): Likewise.
7339         * tree-ssa-loop-niter.c (get_val_for): Likewise.
7340         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
7341         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
7342         perform_var_substitution, solve_graph): Likewise.
7343         * tree-vrp.c (vrp_finalize): Likewise.
7344
7345 2007-02-01  Ian Lance Taylor  <iant@google.com>
7346
7347         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
7348         high part of a paradoxical subreg, return a constant zero.
7349
7350 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
7351
7352         * toplev.c (lang_dependent_init): Call init_set_costs.
7353         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
7354
7355 2007-02-01  Richard Guenther  <rguenther@suse.de>
7356
7357         PR middle-end/30656
7358         * fold-const.c (fold_negate_expr): Allow negating a
7359         constant if overflow does not change.
7360
7361 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7362
7363         * doc/c-tree.texi (Expression trees): Improve markup.
7364         * doc/tm.texi (Register Classes, Addressing Modes)
7365         (Floating Point): Fix spacing after abbreviations.  Fix some
7366         typos.
7367
7368 2007-02-01  Ben Elliston  <bje@au.ibm.com>
7369
7370         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
7371         * doc/contrib.texi: Likewise.
7372         * doc/install.texi: Likewise.
7373
7374 2007-01-31  Richard Henderson  <rth@redhat.com>
7375             Ian Lance Taylor  <iant@google.com>
7376
7377         * lower-subreg.c: New file.
7378         * rtl.def (CONCATN): Define.
7379         * passes.c (init_optimization_passes): Add pass_lower_subreg and
7380         pass_lower_subreg2.
7381         * emit-rtl.c (update_reg_offset): New static function, broken out
7382         of gen_rtx_REG_offset.
7383         (gen_rtx_REG_offset): Call update_reg_offset.
7384         (gen_reg_rtx_offset): New function.
7385         * regclass.c: Revert patch of 2006-03-05, restoring
7386         reg_scan_update.
7387         (clear_reg_info_regno): New function.
7388         * dwarf2out.c (concatn_loc_descriptor): New static function.
7389         (loc_descriptor): Handle CONCATN.
7390         * common.opt (fsplit_wide_types): New option.
7391         * opts.c (decode_options): Set flag_split_wide_types when
7392         optimizing.
7393         * timevar.def (TV_LOWER_SUBREG): Define.
7394         * rtl.h (gen_reg_rtx_offset): Declare.
7395         (reg_scan_update): Declare.
7396         * regs.h (clear_reg_info_regno): Declare.
7397         * tree-pass.h (pass_lower_subreg): Declare.
7398         (pass_lower_subreg2): Declare.
7399         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
7400         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
7401         -fsplit-wide-types.
7402         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
7403         * Makefile.in (OBJS-common): Add lower-subreg.o.
7404         (lower-subreg.o): New target.
7405
7406 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7407
7408         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
7409
7410 2007-01-31  Anatoly Sokolov <aesok@post.ru>
7411
7412         PR target/19087
7413         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
7414
7415 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7416
7417         PR middle-end/29335
7418         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
7419
7420 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
7421
7422         * cfgloop.h: Include vec-prim.h.
7423         (enum li_flags): Remove LI_ONLY_OLD.
7424         (loop_iterator): Changed.
7425         (fel_next, fel_init): Iterate over loop tree.
7426         (FOR_EACH_LOOP_BREAK): New macro.
7427         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
7428         FOR_EACH_LOOP.
7429         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
7430         * modulo-sched.c (sms_schedule): Ditto.
7431         * tree-vectorizer.c (vectorize_loops): Ditto.
7432         * doc/loop.texi: Update information on loop numbering and behavior of
7433         FOR_EACH_LOOP wrto new loops.
7434         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7435         add_to_evolution_1): Test nestedness of loops instead of comparing
7436         their numbers.
7437         * tree-chrec.c (chrec_fold_plus_poly_poly,
7438         chrec_fold_multiply_poly_poly, chrec_evaluate,
7439         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
7440         reset_evolution_in_loop): Ditto.
7441         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
7442
7443 2007-01-31  Dirk Mueller  <dmueller@suse.de>
7444
7445         * c-common.c (warn_about_parentheses): Separate warning about
7446         un-parenthized sequence of comparison operators from the one
7447         which is supposed to warn about x <= y <= z.
7448
7449 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
7450
7451         * optabs.h (enum optab_index): Add new OTI_isinf.
7452         (isinf_optab): Define corresponding macro.
7453         * optabs.c (init_optabs): Initialize isinf_optab.
7454         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
7455         patterns.
7456         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
7457         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
7458         using isinf_optab.
7459         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
7460         expand_builtin_interclass_mathfn.
7461         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
7462         * config/i386/i386.md (UNSPEC_FXAM): New constant.
7463         (fxam<mode>2_i387): New insn pattern.
7464         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
7465         built-in functions as x87 inline asm.
7466
7467 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7468
7469         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
7470
7471 2007-01-30  Eric Christopher  <echristo@apple.com>
7472
7473         * config.gcc: Add geode.
7474
7475 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7476
7477         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
7478         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
7479         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
7480         value-prof.c: Fix comment typos.
7481
7482 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7483
7484         PR c++/24745
7485         * doc/invoke.texi (Wpointer-arith): Document warning.
7486
7487 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
7488
7489         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
7490         the list of discrepancies from the draft TR.
7491
7492 2007-01-30  Dirk Mueller  <dmueller@suse.de>
7493
7494         PR c++/30601
7495         * doc/invoke.texi (-Wreturn-type): Update description to
7496         match new behavior.
7497
7498 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
7499
7500         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
7501
7502 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
7503
7504         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
7505         to handle optabs that operate on floating point input argument and
7506         output to integer output.
7507         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
7508         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
7509         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
7510         expand_builtin_interclass_mathfn ().
7511         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
7512         (ilogbsi2): Remove.
7513         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
7514         ilogbl built-in functions as x87 intrinsics.
7515
7516 2007-01-30  Richard Guenther  <rguenther@suse.de>
7517
7518         PR middle-end/27657
7519         * dwarf2out.c (reference_to_unused): Query varpool if the
7520         variable was output.
7521
7522 2007-01-30  Richard Guenther  <rguenther@suse.de>
7523
7524         PR middle-end/30313
7525         * passes.c (execute_one_pass): Reset in_gimple_form to not
7526         confuse non-unit-at-a-time mode.
7527
7528 2007-01-29  Roger Sayle  <roger@eyesopen.com>
7529             Richard Guenther  <rguenther@suse.de>
7530
7531         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
7532         avoid undefined behaviour on overflow.  Use force_fit_type_double
7533         to construct the constant with the specified TREE_OVERFLOW.
7534
7535 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
7536
7537         * config/dfp-bit.c: Add parameterized support for fp exceptions.
7538         * config/dfp-bit.h: Ditto.
7539
7540 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7541
7542         * c-decl.c (pop_scope): Replace warnings with call to
7543         warn_for_unused_label.
7544         * c-common.h (warn_for_unused_label): Declare.
7545         * c-common.c (warn_for_unused_label): Define.
7546
7547 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7548
7549         * tree-optimize.c (update_inlined_to_pointers): Delete unused
7550         function.
7551
7552 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
7553
7554         * Makefile.in (USER_H): Remove decfloat.h.
7555         * ginclude/decfloat.h: Delete, moving contents to ...
7556         * ginclude/float.h: Add support for decimal floating point,
7557         guarded by __STDC_WANT_DEC_FP__.
7558
7559 2007-01-29  Mike Stump  <mrs@apple.com>
7560
7561         * doc/gccint.texi (Top): Rename Loop Representation to Loop
7562         Analysis and Representation to resolve case insensitive conflict.
7563         * doc/loop.texi (Loop Analysis and Representation): Likewise.
7564
7565 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
7566
7567         * tree.h (struct tree_memory_tag): Add aliases member.
7568         (MTAG_ALIASES): New macro.
7569         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
7570         (add_may_alias): Remove pointer-set. Update for may_aliases being
7571         a bitmap.
7572         (mark_aliases_call_clobbered): Update for may_aliases being a
7573         bitmap.
7574         (compute_tag_properties): Ditto.
7575         (create_partition_for): Ditto.
7576         (compute_memory_partitions): Ditto.
7577         (dump_may_aliases_for): Ditto.
7578         (is_aliased_with): Ditto.
7579         (add_may_alias_for_new_tag): Ditto.
7580         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
7581         (compute_is_aliased): New function.
7582         (compute_may_aliases): Call compute_is_aliased).
7583         (init_alias_info): Initialize alias_bitmap_obstack.
7584         (union_alias_set_into): New function.
7585         (compute_flow_sensitive_aliasing): Use union_aliases_into.
7586         (have_common_aliases_p): Rewrite to take two bitmaps and use
7587         intersection.
7588         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
7589         Update for bitmaps.
7590         (finalize_ref_all_pointers): Update for add_may_alias changes.
7591         (new_type_alias): Ditto.
7592         * tree-flow-inline.h (may_aliases): Return a bitmap.
7593         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
7594         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
7595         may_aliases being a bitmap.
7596         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
7597         may_aliases now returns a bitmap.
7598         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
7599         being a bitmap.
7600         * tree-ssa-operands.c (add_virtual_operand): Update for
7601         may_aliases being a bitmap.
7602
7603 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
7604
7605         PR tree-optimization/30630
7606         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
7607         variable as changed.
7608
7609 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
7610
7611         PR c++/28266
7612         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
7613         expanded only once even if an error occurs.
7614
7615 2007-01-29  Ben Elliston  <bje@au.ibm.com>
7616
7617         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
7618         (__gcov_average_profiler): Likewise.
7619         (__gcov_ior_profiler): Likewise.
7620         (__gcov_merge_ior): Likewise.
7621
7622 2007-01-28  Jan Hubicka  <jh@suse.cz>
7623
7624         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
7625         * value-prof.c (stringop_block_profile): Likewise.
7626
7627 2007-01-28  Jan Hubicka  <jh@suse.cz>
7628
7629         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
7630         variant handling histograms; add wrapper.
7631         (clear_storage_via_libcall): Export.
7632         (emit_block_move_hints): Break out from ...; add histograms.
7633         (emit_block_move): ... this one.
7634         (clear_storage_hints): Break out from ...; add histograms.
7635         (clear_storage): ... this one.
7636         (set_storage_via_memset): Handle histogram.
7637         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
7638         (clear_storage_hints, clear_storage_via_libcall): Declare.
7639         (set_storage_via_setmem): Update prototype.
7640         * doc/md.texi (movmem, setmem): Document new arguments.
7641
7642         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
7643         new histograms.
7644         (stringop_block_profile): New global function.
7645         (tree_stringops_values_to_profile): Profile block size and alignment.
7646         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
7647         HIST_TYPE_IOR.
7648         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
7649         (stringop_block_profile): Declare.
7650         * builtins.c: Include value-prof.h.
7651         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
7652         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
7653         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
7654         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
7655         * profile.c (instrument_values): Add new counters.
7656         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
7657         calls.
7658         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
7659         (tree_init_edge_profiler): Build new profilers.
7660         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
7661         (pass_tree_profile): Add dump.
7662         (tree_profile_hooks): Update.
7663         * Makefile.in (LIBGCOV): Add new constants.
7664         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
7665         __gcov_ior_profiler): New.
7666         * i386.md (movmem/setmem expanders): Add new optional arguments.
7667
7668 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
7669
7670         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
7671
7672 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
7673
7674         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
7675         (tree_unswitch_single_loop): Pass eni_size_weights to
7676         tree_num_loop_insns.
7677         * tree-ssa-loop-manip.c: Include tree-inline.h.
7678         (can_unroll_loop_p): Pass eni_size_weights to
7679         tree_num_loop_insns.
7680         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
7681         Pass eni_size_weights to estimate_num_insns.
7682         * tree.h (init_inline_once): Export.
7683         * toplev.c (backend_init): Call init_inline_once.
7684         * cgraphunit.c (cgraph_process_new_functions,
7685         cgraph_analyze_function): Pass eni_inlining_weights to
7686         estimate_num_insns.
7687         * ipa-inline.c (compute_inline_parameters): Ditto.
7688         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
7689         to estimate_num_insns.
7690         (try_unroll_loop_completely): Pass eni_size_weights to
7691         tree_num_loop_insns.
7692         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
7693         ot estimate_num_insns.
7694         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
7695         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
7696         * tree-inline.c (eni_inlining_weights, eni_size_weights,
7697         eni_time_weights): New variables.
7698         (init_inline_once): Initialize them.
7699         (struct eni_data): Mew.
7700         (estimate_num_insns_1, estimate_num_insns): Use weights.
7701         * tree-inline.h (struct eni_weights_d): New.
7702         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
7703         (estimate_num_insns): Declaration changed.
7704         * cfgloop.h (tree_num_loop_insns): Declaration changed.
7705         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
7706         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
7707
7708 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
7709
7710         * tree-data-ref.c (conflict_fn): Assert that the number of affine
7711         relations in the conflict function is valid.
7712
7713 2007-01-27  Ian Lance Taylor  <iant@google.com>
7714
7715         * common.opt: Add fstrict-overflow.
7716         * opts.c (decode_options): Set flag_strict_overflow if -O2.
7717         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
7718         (TYPE_OVERFLOW_UNDEFINED): Define.
7719         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
7720         Replace all uses.
7721         * tree.h (TYPE_TRAP_SIGNED): Don't define.
7722         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
7723         (fold_negate_expr): Likewise.
7724         (make_range): Likewise.
7725         (extract_muldiv_1): Likewise.
7726         (maybe_canonicalize_comparison): Likewise.
7727         (fold_comparison): Likewise.
7728         (fold_binary): Likewise.
7729         (tree_expr_nonnegative_p): Likewise.
7730         (tree_expr_nonzero_p): Likewise.
7731         * tree-vrp.c (compare_values): Likewise.
7732         (extract_range_from_binary_expr): Likewise.
7733         (extract_range_from_unary_expr): Likewise.
7734         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
7735         Likewise.
7736         (nowrap_type_p): Likewise.
7737         * tree-scalar-evolution.c (simple_iv): Likewise.
7738         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
7739         (build_range_check): Likewise.
7740         (extract_muldiv_1): Likewise.
7741         (fold_comparison): Likewise.
7742         * tree-vrp.c (vrp_int_const_binop): Likewise.
7743         (extract_range_from_unary_expr): Likewise.
7744         * convert.c (convert_to_integer): Likewise.
7745         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
7746         (fold_comparison): Likewise.
7747         (fold_binary): Likewise.
7748         * optabs.c (optab_for_tree_code): Likewise.
7749         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
7750         * simplify-rtx.c (simplify_const_relational_operation): Check
7751         flag_strict_overflow and flag_trapv.
7752         (simplify_const_relational_operation): Likewise.
7753         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
7754         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
7755         -fstrict-overflow.
7756
7757 2007-01-27  Roger Sayle  <roger@eyesopen.com>
7758
7759         * tree.c (tree_fold_gcd): Delete.
7760         * tree.h (tree_fold_gcd): Remove prototype.
7761         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
7762         test whether one constant integer is a multiple of another.  Instead
7763         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
7764         * fold-const.c (multiple_of_p):  We've determined both TOP and
7765         BOTTOM are integer constants so we can call int_const_binop directly
7766         instead of the more generic const_binop.
7767
7768 2007-01-27  Roger Sayle  <roger@eyesopen.com>
7769
7770         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
7771         1*X check that the constant hasn't overflowed, to preserve the
7772         TREE_OVERFLOW bit.
7773         (round_up): Provide an efficient implementation when rouding-up an
7774         INTEGER_CST to a power-of-two.
7775
7776 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7777
7778         * doc/sourcebuild.texi: Add comma for clarity.
7779         * doc/extend.texi: Fix some typos.
7780         * doc/passes.texi: Likewise.
7781         * doc/cppinternals.texi: Likewise.
7782         * doc/c-tree.texi: Likewise.
7783         * doc/tree-ssa.texi: Likewise.
7784         * doc/install.texi: Likewise.
7785
7786 2007-01-27  Jan Hubicka  <jh@suse.cz>
7787
7788         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
7789         (pass_sra): Do not require alias information.
7790         * passes.c (init_optimization_passes): Add SRA
7791
7792 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
7793
7794         * tracer.c (rest_of_handle_tracer): We already cleaned
7795         up the CFG in tracer() so don't do it here again.
7796         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
7797         cleanup_cfg here, either.  And don't call renumber_insns.
7798
7799         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
7800         and BB_HEAD are in the insn stream here.  Instead make sure
7801         that BB_INSN is valid on all insns.  Also, do check here that
7802         there are no pending branch predictions...
7803         (rtl_verify_flow_info): ...instead of doing it here.  Checks
7804         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
7805         here.
7806
7807 2007-01-26  Roger Sayle  <roger@eyesopen.com>
7808
7809         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
7810         function to simplify/factorize operand order canonicalization.
7811         (ix86_fixup_binary_operands): Reorganize using the above function.
7812         (ix86_binary_operator_ok): Likewise.
7813
7814 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
7815
7816         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
7817         file scope from optimize_attrs.
7818         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
7819         up search.
7820         (optimize_attrs): Clear insn_code_values after freeing it.
7821
7822 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
7823
7824         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
7825         a parts.base assignment.
7826
7827 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
7828
7829         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
7830         (compute_subscript_distance, initialize_data_dependence_relation,
7831         finalize_ddr_dependent, analyze_ziv_subscript,
7832         analyze_siv_subscript_cst_affine,
7833         compute_overlap_steps_for_affine_univar,
7834         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
7835         analyze_siv_subscript, analyze_miv_subscript,
7836         analyze_overlapping_iterations, subscript_dependence_tester_1,
7837         compute_self_dependence, free_dependence_relation): Work
7838         with affine_fn instead of chrecs.
7839         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
7840         common_affine_function, affine_function_base,
7841         affine_function_constant_p, affine_fn_op, affine_fn_plus,
7842         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
7843         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
7844         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
7845         (all_chrecs_equal_p): Removed.
7846         * tree-data-ref.h (affine_fn, conflict_function): New types.
7847         (struct subscript): Change type of conflicting_iterations_in_a
7848         and conflicting_iterations_in_b.
7849
7850 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
7851
7852         PR other/30182
7853         * config/pa/pa.h (TARGET_HPUX_11): New.
7854         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
7855         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
7856
7857 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
7858         Richard Guenther  <rguenther@suse.de>
7859
7860         * tree-ssa-structalias.c (solve_graph): Handle case
7861         we merged the variable to another.
7862
7863 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7864
7865         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
7866         functions.
7867
7868         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
7869         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
7870
7871 2007-01-25  DJ Delorie  <dj@redhat.com>
7872
7873         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
7874         allow changes to modes which don't fit in those registers.
7875
7876         * reload1.c (choose_reload_regs): Check for invalid subregs before
7877         computing their locations, not after.
7878
7879 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
7880
7881         PR 25127
7882         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
7883         save Altivec registers in an eh_return function.
7884         (compute_vrsave_mask): Likewise.
7885         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
7886         for saving Altivec registers.
7887         (rs6000_emit_prologue): Don't allocate stack twice in
7888         eh_return function.  Correct expected value of altivec_save_offset
7889         when using save_world.  Describe save of R0 to stack when using
7890         save_world.  Describe stack pointer adjustment when using
7891         save_world.  Remove duplicated eh_return parameter register saving.
7892         Update sp_offset variable after save_world.
7893         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
7894         darwin-world.asm.
7895         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
7896         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
7897         implies Altivec.
7898
7899 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
7900
7901         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
7902
7903 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
7904
7905         PR other/30182
7906         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
7907         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
7908
7909 2007-01-25  Richard Guenther  <rguenther@suse.de>
7910
7911         * doc/invoke.texi (-Wcoverage-mismatch): Document.
7912         * common.opt (-Wcoverage-mismatch): New warning option.
7913         * coverage.c (get_coverage_counts): Ignore coverage mismatch
7914         if -Wcoverage-mismatch is given.
7915
7916 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
7917
7918         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
7919         (ipcp_driver): Change to static definition.
7920         Add dumping of the ifunctions.
7921         (constant_val_insert): Remove unused parameter. Support for SSA.
7922         (ipcp_propagate_const): Support for SSA.
7923         (ipcp_profile_bb_print): Print only analyzed nodes.
7924         (ipcp_replace_map_create): Remove support for Fortran constant
7925         for now.
7926         * ipa-prop.c (ipa_method_modify_stmt,
7927         ipa_callsite_compute_param): Support for SSA.
7928         * ipa-prop.h (ipcp_driver): Remove declaration.
7929         (IS_VALID_TREE_MAP_INDEX): Add define.
7930
7931 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
7932
7933         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
7934
7935 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7936
7937         PR middle-end/30447
7938         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
7939         constant argument to cabs and do it without checking for
7940         -funsafe-math-optimizations.
7941
7942 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
7943
7944         * c-common.h (RID_FIRST_CXX0X): New.
7945         (RID_LAST_CXX0X): New.
7946         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
7947         by -Wall.
7948         * c.opt (Wc++0x-compat): New.
7949         * doc/invoke.texi (-Wc++0x-compat): Document.
7950
7951 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7952
7953         * builtins.c (fold_builtin_carg): New.
7954         (fold_builtin_1): Use it.
7955
7956 2007-01-24  Jan Hubicka  <jh@suse.cz>
7957
7958         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
7959
7960         * ipa-inline.c (initial_insns, max_insns): Delete.
7961         (compute_max_insns): New function.
7962         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
7963         of insns as base for code growth.
7964         (cgraph_decide_inlining): Make initial_insns local; do not compute
7965         max_insns.
7966         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
7967         * doc/invoke.texi (inline-unit-growth): Update docs.
7968
7969 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
7970
7971         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
7972         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
7973         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
7974         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
7975         for CPUs that have PTA_CX16 set.
7976
7977         PR middle-end/27416
7978         * gimplify.c (omp_check_private): New function.
7979         (gimplify_scan_omp_clauses): Use it for
7980         firstprivate/lastprivate/reduction.
7981
7982         PR middle-end/30494
7983         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
7984         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
7985
7986         PR middle-end/30421
7987         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
7988         If lower_lastprivate_clauses emits some statements, append them
7989         to dlist rather than body_p and to body_p append an initializer.
7990         (lower_omp_for): Adjust caller.
7991
7992 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
7993
7994         * target.h (globalize_decl_name): New.
7995         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
7996         * output.h (default_globalize_decl_name): New.
7997         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
7998         globalize_label.
7999         (globalize_decl): Ditto.
8000         (default_globalize_decl_name): New.
8001         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
8002         (ia64_handle_version_id_attribute): New.
8003         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
8004         (ia64_asm_output_external): Use globalize_decl_name instead
8005         of globalize_label.
8006         * doc/extend.texi (version_id): New pragma.
8007         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
8008
8009 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8010
8011         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
8012         _uleb128_t and _Unwind_SWord with _sleb128_t.
8013         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
8014         uw_frame_state_for, uw_update_context_1): Likewise.
8015         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
8016         * unwind-pe.h (read_uleb128, read_sleb128,
8017         read_encoded_value_with_base): Likewise.
8018         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
8019
8020 2007-01-24  Richard Guenther  <rguenther@suse.de>
8021
8022         * builtins.c (expand_builtin_cexpi): Get the fndecl
8023         for cexp in the correct way.
8024
8025 2007-01-24  Jan Hubicka  <jh@suse.cz>
8026
8027         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
8028
8029 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8030
8031         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
8032         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
8033         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
8034         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
8035         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
8036         __SIZEOF_PTRDIFF_T__.
8037         * doc/cpp.texi: Documentation for the new builtin macros added.
8038
8039 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
8040
8041         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
8042         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
8043         instead of operands[2] to avoid access past the end of array.
8044
8045 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
8046
8047         * reload1.c (emit_reload_insns): Pass the reload register
8048         for a non-spill output reload through forget_old_reloads_1.
8049
8050 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
8051
8052         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
8053         _SOFT_DOUBLE if doubles use software floating-point.
8054         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
8055         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
8056         * config/rs6000/darwin-ldouble.c: Also compile functions for
8057         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
8058         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
8059         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
8060         commented-out long double override.
8061         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
8062         * config/rs6000/eabispe.h: Likewise.
8063         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
8064         long double for non-SPE.
8065         (rs6000_handle_option): Likewise.
8066         (invalid_e500_subreg): Disallow more subregs involding DImode,
8067         DFmode, TImode or TFmode.
8068         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
8069         E500 double.
8070         (legitimate_lo_sum_address_p): Also check for TFmode for E500
8071         double.
8072         (rs6000_legitimize_address): Also handle TFmode for E500 double.
8073         (rs6000_legitimize_reload_address): Also handle TFmode for E500
8074         double.
8075         (rs6000_legitimate_address): Also check for TFmode for E500
8076         double.
8077         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
8078         (spe_build_register_parallel): Handle TFmode and TCmode.
8079         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
8080         double.
8081         (function_arg): Handle TFmode and TCmode for E500 double.
8082         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
8083         in general.
8084         (print_operand): Handle TFmode and TImode for %y.
8085         (rs6000_generate_compare): Handle TFmode comparisons for E500
8086         double.
8087         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
8088         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
8089         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
8090         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
8091         TFmode for E500 double.
8092         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
8093         (floatsidf2): Enable for E500 double.
8094         (movtf_softfloat): Use rs6000_nonimmediate_operand.
8095         (extenddftf2): Change to extenddftf2_fprs.
8096         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
8097         depending on TARGET_E500_DOUBLE.
8098         (extendsftf2): Enable for E500 double.
8099         (trunctfdf2): Enable for E500 double.
8100         (trunctfsf2): Change to trunctfsf2_fprs.
8101         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
8102         depending on TARGET_E500_DOUBLE.
8103         (floatsitf2): Enable for E500 double.
8104         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
8105         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
8106         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
8107         (negtf2): Change to negtf2_internal.
8108         (negtf2): New expander.
8109         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
8110         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
8111         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
8112         (movdi_internal32): Use rs6000_nonimmediate_operand.
8113         (unnamed splitter): Likewise.
8114         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
8115         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
8116         (SPE64TF, DITI): New mode macros.
8117         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
8118         modes.
8119         (frob_tf_ti): New.
8120         (frob_<mode>_di_2): New.
8121         (frob_tf_di_8_2): New.
8122         (frob_di_df): Change to frob_di_<mode>; allow more modes.
8123         (frob_ti_tf): New.
8124         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
8125         more modes.
8126         (frob_ti_<mode>_8_2): New.
8127         (frob_ti_tf_2): New.
8128         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
8129         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
8130         TFmode.
8131         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
8132         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
8133         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
8134         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
8135         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
8136         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
8137         tsttflt_gp): New.
8138
8139 2007-01-23  Ian Lance Taylor  <iant@google.com>
8140
8141         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
8142         insn-*.o first.
8143         (OBJS-archive): Reformat, alphabetize.
8144         (OBJS): Change out_object_file to OBJS-md.
8145
8146 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
8147
8148         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
8149         JUMP_P and CALL_P predicates where applicable.
8150         * config/i386/i386.c: Ditto.
8151         * config/i386/i386.md: Ditto.
8152         * config/i386/mmx.md: Ditto.
8153         * config/i386/predicates.md: Ditto.
8154
8155 2007-01-22  Andreas Schwab  <schwab@suse.de>
8156
8157         * config/m68k/m68k.h: Fix comment.
8158
8159 2007-01-22  Jan Hubicka  <jh@suse.cz>
8160
8161         * passes.c (init_optimization_passes): Do not rerun
8162         pass_early_warn_uninitialized.
8163
8164 2007-01-22  Richard Guenther  <rguenther@suse.de>
8165
8166         PR tree-optimization/30038
8167         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
8168         function.
8169         (execute_cse_sincos_1): Likewise.
8170         (execute_cse_sincos): Likewise.
8171         (gate_cse_sincos): Likewise.
8172         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
8173         the cexpi() canonicalization of sincos().
8174         * tree-pass.h (pass_cse_sincos): Declare.
8175         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
8176
8177 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
8178
8179         PR rtl-optimization/29329
8180         * combine.c (replaced_rhs_insn): Rename to i2mod.
8181         (replaced_rhs_value): Rename to i2mod_new_rhs.
8182         (i2mod_old_rhs): New global variable.
8183         (combine_instructions): Adjust for above change.  Save a copy of
8184         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
8185         note are substituted in the second instruction.
8186         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
8187         ditch the note if it pertains to the second eliminated register
8188         and this register is mentioned in i2mod_old_rhs.
8189
8190         Revert:
8191         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
8192
8193         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8194         the insn to which the note was originally attached.
8195
8196 2007-01-21  Jan Hubicka  <jh@suse.cz>
8197
8198         * ipa-inline.c (inlining_mode): Comment, move up.
8199         (cgraph_decide_inlining_incrementally): Do not perform inlining
8200         itself; fix handling of flattening of self recursive functions.
8201         (cgraph_find_cycles): Remove.
8202         (cgraph_flatten_node): Remove.
8203         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
8204         (try_inline): New function.
8205         (cgraph_early_inlining): Update call of
8206         cgraph_decide_inlining_incrementally.  Apply inlining here.
8207         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
8208
8209 2007-01-21  Dirk Mueller  <dmueller@suse.de>
8210
8211         PR bootstrap/30511
8212         * tree-vrp.c (check_array_bounds): do not warn
8213         about ADDR_EXPR's of ARRAY_REF's which are immediately
8214         used in binary expressions.
8215
8216 2007-01-21  Ira Rosen  <irar@il.ibm.com>
8217
8218         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
8219         read_write_dep and macros for its access.
8220         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
8221         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
8222         argument, call vect_check_interleaving for every independent pair of
8223         data-refs. Mark loads that access the same memory location as a store
8224         in the loop.
8225         (vect_check_dependences): Remove.
8226         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
8227         call, fix the call to vect_analyze_data_ref_dependence.
8228         (vect_analyze_data_ref_access): For statements that access the same
8229         data-ref, check that they are not stores; for loads, check that there
8230         is no store that access the same location.
8231
8232 2007-01-20  Roger Sayle  <roger@eyesopen.com>
8233             Joseph Myers  <joseph@codesourcery.com>
8234
8235         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
8236         (-fdump-rtl-stack): Likewise.
8237         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
8238         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
8239         (-mpt-fixed): Use @minus{} for minus sign.
8240         (Using Precompiled Headers): Fix under/overfull hbox.
8241
8242 2007-01-20  Jan Hubicka  <jh@suse.cz>
8243
8244         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
8245         place within annotation.
8246
8247 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8248
8249         * pa.c (output_move_double): Change array size of xoperands to 4.
8250
8251 2007-01-20  Jan Hubicka  <jh@suse.cz>
8252
8253         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
8254         as temporary.
8255
8256 2007-01-19  Ian Lance Taylor  <iant@google.com>
8257
8258         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
8259         constant to unsigned HOST_WIDE_INT before negating.
8260
8261 2007-01-19  Ian Lance Taylor  <iant@google.com>
8262
8263         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
8264         to unsigned.
8265         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
8266         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
8267         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
8268         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
8269         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
8270         (realloc_vdef, realloc_vuse): Change second parameter to
8271         unsigned.
8272         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
8273         fields to unsigned.
8274         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
8275         unsigned. Change x and lim locals to unsigned.
8276         (realloc_vdef, realloc_vuse): Change num_elem parameter to
8277         unsigned.
8278         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
8279         (copy_virtual_operands): Change i and n locals to unsigned.
8280
8281 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8282
8283         PR middle-end/29335
8284         * builtins.c (fold_builtin_1): Handle builtin fdim.
8285
8286 2007-01-20  Jan Hubicka  <jh@suse.cz>
8287
8288         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
8289         * tree-ssa-structalias.c (compute_points_to_sets): Do call
8290         init_alias_heapvars.
8291         (init_alias_heapvars): Initialize only when not already initialized.
8292         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
8293
8294 2007-01-19  Roger Sayle  <roger@eyesopen.com>
8295
8296         * common.opt (fsigned-zeros): New command line option.
8297         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
8298         of flag_unsafe_math_optimizations.
8299         * opts.c (set_fast_math_flags): The -ffast-math command line option
8300         implies -fno-signed-zeros.
8301         (fast_math_flags_set_p): Likewise.
8302
8303         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
8304         the documentation of -ffast-math appropriately.  Wrap long lines.
8305
8306 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
8307
8308         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
8309         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
8310
8311 2007-01-19  Tomas Bily  <tbily@suse.cz>
8312
8313         * cgraphunit.c (cgraph_finalize_function): Updating of pid
8314         * tree-profile.c:
8315         (tree_init_ic_make_global_vars): New function
8316         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
8317         (tree_gen_ic_profiler): New function
8318         (tree_gen_ic_func_profiler): New function
8319         (tree_profiling): Added calling of tree_gen_ic_func_profiler
8320         (tree_profile_hooks): Added hook for indirec/virtual calls
8321         * value-prof.c (tree_find_values_to_profile): New case for
8322         indirect calls
8323         (tree_values_to_profile): Call for determining indirect/virtual
8324         counters
8325         (tree_indirect_call_to_profile): New function
8326         (tree_ic_transform): New function
8327         (tree_ic): New function
8328         (find_func_by_pid): New function
8329         (init_pid_map): New function
8330         (tree_value_profile_transformations): Added check for
8331         indirect/virtual call transformation
8332         * value-prof.h (enum hist_type): New counter type for
8333         indirect/virtual calls
8334         (profile_hooks): Added new hook for profiling indirect/virtual
8335         calls
8336         * profile.c (instrument_values): New case for indirect/virtual
8337         call added
8338         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
8339         (GCOV_COUNTER_V_INDIR): New counter type
8340         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
8341         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
8342         call added
8343         * cgraph.c: Definition of cgraph_max_pid
8344         (cgraph_create_node): Default init of pid attribute
8345         * cgraph.h: Declaration of cgraph_max_pid
8346         (struct cgraph_node): Added pid attribute
8347         * libgcov.c (__gcov_indirect_call_profiler): New function
8348         (__gcov_one_value_profiler_body): New function
8349         (__gcov_one_value_profiler): Body was moved to
8350         __gcov_one_value_profiler_body and calls it
8351
8352 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
8353
8354         * doc/gty.texi (Options): Document the mark_hook option to GTY.
8355         * gengtype.c (write_types_data, write_func_for_structure,
8356         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
8357         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
8358         (walk_type, write_func_for_structure): Generate the mark_hook if
8359         needed.
8360
8361 2007-01-19  Jan Hubicka  <jh@suse.cz>
8362
8363         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
8364         'early' argument take inlining mode argument specifying whether to
8365         inline for size/speeed or all functions; add support for flattening;
8366         improve dumpting.
8367         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
8368
8369 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8370
8371         PR c++/17947
8372         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
8373         the name of the declared identifier.
8374
8375 2007-01-19  Dirk Mueller  <dmueller@suse.de>
8376
8377         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
8378         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
8379         duplicate evaluation.
8380
8381 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
8382
8383         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
8384         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
8385         to XFMode, use acosxf2 and truncate result to requested mode.
8386         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
8387         (asin<mode>2): Similarly, with asin expanders.
8388         (*fscalexf4_i387): Rename from *fscalexf4.
8389         (expNcorexf3): New expander.
8390         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
8391         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
8392         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
8393         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
8394         patterns for SSE math.
8395         (exp10<mode>2): Similarly, with exp10 expanders.
8396         (exp2<mode>2): Similarly, with exp2 expanders.
8397         (expm1<mode>2): Similarly, with expm1 expanders.
8398         (ldexp<mode>3): Similarly, with ldexp expanders.
8399         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
8400         Use gen_truncxf<mode>2_i387_noop to truncate result.
8401
8402 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8403
8404         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
8405         for ColdFire targets.
8406
8407 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
8408             Richard Sandiford  <richard@codesourcery.com>
8409
8410         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
8411         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
8412         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
8413         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
8414         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
8415         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
8416
8417 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8418
8419         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
8420         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
8421         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
8422         (*adddi_dilshr32_cf): New pattern.
8423         (adddi3, subdi3): Remove first alternatives.
8424
8425 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8426
8427         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
8428         implemented using move.l, do not use its cc result for floating-point
8429         comparisons.
8430
8431 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8432
8433         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
8434         from accepting 's' constraints if flag_pic.
8435
8436 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8437
8438         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
8439         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
8440         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
8441         condition from TARGET_68881 to TARGET_HARD_FLOAT.
8442
8443 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
8444
8445         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
8446         ColdFire alternatives.
8447         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
8448         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
8449         architectures that support ff1 instruction.
8450
8451 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8452             Julian Brown  <julian@codesourcery.com>
8453
8454         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
8455         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
8456         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
8457         Add commentary.
8458
8459 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8460
8461         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
8462         and return a bool.
8463         (output_move_const_into_data_reg, output_move_simode_const): Delete.
8464         * config/m68k/m68k.c (const_method, const_int_cost): Take a
8465         HOST_WIDE_INT instead of an rtx.
8466         (m68k_rtx_costs): Update call accordingly.
8467         (output_move_const_into_data_reg): Likewise.  Fix formatting.
8468         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
8469         Return a bool.
8470         (output_move_simode_const): Update calls after above changes.
8471         Rework to use automatic variables and predicates like MEM_P.
8472         * config/m68k/m68k.md (pushexthisi_const): Update call to
8473         valid_mov3q_const.
8474
8475 2007-01-19  Dirk Mueller  <dmueller@suse.de>
8476
8477         * tree-ssa-alias.c (perform_var_substitution): Fix typo
8478         in dump_flags test.
8479
8480 2007-01-19  Richard Guenther  <rguenther@suse.de>
8481
8482         * builtins.c (expand_builtin_cexpi): Fall back to expanding
8483         via cexp in case sincos is not available.
8484
8485 2007-01-19  Richard Guenther  <rguenther@suse.de>
8486
8487         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
8488         * defaults.h (TARGET_HAS_SINCOS): Default to off.
8489         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
8490         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
8491         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
8492         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
8493         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
8494         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
8495
8496 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
8497
8498         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
8499         New insn patterns.
8500         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
8501         (atan2xf3): Directly generate RTL pattern.
8502         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
8503         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
8504         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8505         disable patterns for SSE math.
8506         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
8507         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
8508         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8509         disable patterns for SSE math.
8510
8511 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
8512
8513         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
8514
8515 2007-01-18  Roger Sayle  <roger@eyesopen.com>
8516
8517         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
8518         VIEW_CONVERT_EXPR to the same type as it's operand.
8519
8520 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
8521
8522         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
8523         configured for long double 128.
8524
8525 2007-01-18  Mike Stump  <mrs@apple.com>
8526
8527         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
8528         error.
8529
8530 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
8531
8532         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
8533         type correct.
8534
8535 2007-01-18  Jan Hubicka  <jh@suse.cz>
8536
8537         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
8538         greater than NUM_VOP_FREE_BUCKETS.
8539
8540 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
8541
8542         * tree-ssa-structalias.c: Update comments.
8543         (ptabitmap_obstack): Removed.
8544         (pta_obstack): New.
8545         (oldpta_obstack): Ditto.
8546         (stats): Add a few members.
8547         (struct variable_info): Remove node, complex, address_taken, and
8548         indirect_target members. Add oldsolution member.
8549         (new_var_info): Do not initialize removed members.
8550         (constraint_expr_type): Remove INCLUDES.
8551         (constraint_graph): Add size, implicit_preds, rep,
8552         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
8553         (FIRST_REF_NODE): New macro.
8554         (LAST_REF_NODE): Ditto.
8555         (FIRST_ADDR_NODE): Ditto.
8556         (find): New function.
8557         (unite): Ditto.
8558         (dump_constraint): Do not handle INCLUDES.
8559         (insert_into_complex): Do not insert duplicate constraints.
8560         (condense_varmap_nodes): Renamed and rewritten into ...
8561         (merge_node_constraints): This. Also fix bug in handling of
8562         offseted copy constraints.
8563         (clear_edges_for_node): No longer need to deal with preds at all,
8564         or removing associated preds/succs.
8565         (merge_graph_nodes): Deal with indirect_cycles.
8566         Don't deal with predecessors.
8567         (add_implicit_graph_edge): New function.
8568         (add_pred_graph_edge): Ditto.
8569         (add_graph_edge): Don't deal with predecessors.
8570         (build_constraint_graph): Removed.
8571         (build_pred_graph): New function.
8572         (build_succ_graph): Ditto.
8573         (struct scc_info): Removed in_component. Added roots, dfs, and
8574         node_mapping. Remove visited_index, unification_queue.
8575         (scc_visit): Deal with union-find we do now.
8576         Deal with cycles with REF nodes.
8577         (collapse_nodes): Renamed and rewritten to ...
8578         (unify_nodes): This.
8579         (process_unification_queue): Removed.
8580         (topo_visit): Cleanup
8581         (do_da_constraint): Use find.
8582         (do_sd_constraint): Ditto.
8583         (do_ds_constraint): Ditto.
8584         (do_complex_constraint): Ditto.
8585         (init_scc_info): Update for removed and added members.
8586         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
8587         (find_indirect_cycles): This.
8588         (equivalence_class): New variable.
8589         (label_visit): New function.
8590         (perform_variable_substitution): Rewritten.
8591         (free_var_substitution_info): New function.
8592         (find_equivalent_node): Ditto.
8593         (move_complex_constraints): Ditto.
8594         (eliminate_indirect_cycles): Ditto.
8595         (solve_graph): Only propagate changed bits.
8596         Use indirect cycle elimination.
8597         Use find.
8598         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
8599         (tree_id_eq): Renamed to ...
8600         (tree_vi_eq): This. Update for member change
8601         (insert_id_for_tree): Renamed and rewritten to ...
8602         (insert_vi_for_tree): This.
8603         (lookup_id_for_tree): Renamed and rewritten to ...
8604         (lookup_vi_for_tree): This.
8605         (get_id_for_tree): Renamed and rewritten to ...
8606         (get_vi_for_tree): Ditto.
8607         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
8608         (process_constraint): Don't handle INCLUDES.
8609         Remove special ADDRESSOF case.
8610         (find_func_aliases): Rewrite to use vi functions instead of id
8611         ones.
8612         (create_function_info_for): Ditto.
8613         (create_variable_info_for): Ditto.
8614         (intra_create_variable_infos): Ditto.
8615         (merge_smts_into): Ditto.
8616         (find_what_p_points_to): Ditto.
8617         (init_base_vars): Ditto.
8618         (init_alias_vars): Ditto.
8619         (remove_preds_and_fake_succs): New function.
8620         (dump_sa_points_to_info): Dump new stats.
8621         (dump_solution_for_var): Use find.
8622         (set_used_smts): Fix formatting.
8623         (compute_points_to_sets): Updated for new functions.
8624         (ipa_pta_execute): Ditto.
8625
8626 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8627             Richard Sandiford  <richard@codesourcery.com>
8628
8629         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
8630         parallels.
8631         * calls.c (expand_call): If the return value is a PARALLEL,
8632         extract its first member.
8633         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
8634         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
8635         use FUNCTION_EXTRA_EPILOGUE.
8636         (m68k_function_value): Return a PARALLEL if the return value
8637         is of a pointer type.
8638         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
8639         (FUNCTION_EXTRA_EPILOGUE): Remove.
8640         * config/m68k/m68k.md (D0_REG): New constant.
8641
8642 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8643
8644         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
8645         output a NOP for empty epilogues.
8646
8647 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8648
8649         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
8650         before function.  Extend register save check to include all
8651         registers, not just integer ones.
8652
8653 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8654
8655         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
8656         (m68k_use_return_insn): ...this.
8657         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
8658         * config/m68k/m68k.c (use_return_insn): Rename to...
8659         (m68k_use_return_insn): ...this.
8660         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
8661         of USE_RETURN_INSN.
8662
8663 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8664
8665         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
8666         nearest even, fix denormal rounding overflow.
8667
8668 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8669
8670         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
8671         f%$smove and f%$move.
8672         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
8673         (extendsfdf2_cf): Use fdmove instead of f%&move.
8674         (truncdfsf2_cf): Use fsmove instead of f%$smove.
8675         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
8676
8677 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8678
8679         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
8680         GPR<-GPR moves.
8681
8682 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8683
8684         * real.h (real_format): Add a canonical_nan_lsbs_set field.
8685         (coldfire_single_format): Declare.
8686         (coldfire_double_format): Likewise.
8687         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
8688         of qnan_msb_set to determine the lower bits of a canonical
8689         NaN significand.
8690         (encode_ieee_double): Likewise.
8691         (encode_ieee_quad): Likewise.
8692         (ieee_single_format): Initialize canonical_nan_lsbs_set.
8693         (mips_single_format): Likewise.
8694         (ieee_double_format): Likewise.
8695         (mips_double_format): Likewise.
8696         (ieee_extended_motorola_format): Likewise.
8697         (ieee_extended_intel_96_format): Likewise.
8698         (ieee_extended_intel_128_format): Likewise.
8699         (ieee_extended_intel_96_round_53_format): Likewise.
8700         (ibm_extended_format): Likewise.
8701         (mips_extended_format): Likewise.
8702         (ieee_quad_format): Likewise.
8703         (mips_quad_format): Likewise.
8704         (vax_f_format): Likewise.
8705         (vax_d_format): Likewise.
8706         (vax_g_format): Likewise.
8707         (i370_single_format): Likewise.
8708         (i370_double_format): Likewise.
8709         (decimal_single_format): Likewise.
8710         (decimal_double_format): Likewise.
8711         (decimal_quad_format): Likewise.
8712         (c4x_single_format): Likewise.
8713         (c4x_extended_format): Likewise.
8714         (real_internal_format): Likewise.
8715         (coldfire_single_format): New real_format.
8716         (coldfire_double_format): Likewise.
8717         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
8718         canonical_nan_lsbs_set.
8719         (pdp11_d_format): Likewise.
8720         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
8721         if TARGET_COLDFIRE_CPU.
8722
8723 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8724
8725         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
8726         (output_call, m68k_legitimize_call_address): Declare.
8727         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
8728         parenthesees.  Add support for a 'W' constraint.
8729         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
8730         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
8731         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
8732         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
8733         variables.
8734         (override_options): Initialize them.  Do not set flag_no_function_cse
8735         for TARGET_ID_SHARED_LIBRARY.
8736         (m68k_output_pic_call): Delete.
8737         (m68k_legitimize_call_address): New function.
8738         (print_operand): Remove the %o prefix.  Handle the %p prefix.
8739         (output_call): New function.
8740         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
8741         target address from the GOT if symbolic jumps are not allowed.
8742         * config/m68k/m68k.md (call, general_operand): Do not set
8743         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
8744         Merge separate flag_pic and !flag_pic define_insns into...
8745         (*call, *call_value): ...these new patterns.  Match the address
8746         rather than the containing MEM and require it to be a call_operand.
8747         Use output_call to generate the asm template.
8748         * config/m68k/predicates.md (const_call_operand): New predicate.
8749         (call_operand): Likewise.
8750
8751 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8752
8753         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
8754         (STACK_GROWS_DOWNWARD): Define to 1.
8755         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
8756         comments, emphasizing that these values are only defaults.
8757         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
8758         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
8759
8760 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8761
8762         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
8763
8764 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8765             Richard Sandiford  <richard@codesourcery.com>
8766
8767         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
8768         (FP_REGNO_P): New macros.
8769         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
8770         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
8771         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
8772         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
8773
8774 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8775
8776         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
8777         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
8778         to $tmake_file.
8779         * config/m68k/t-floatlib: New file, extracting common code from...
8780         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
8781         * config/m68k/t-uclinux: Here.
8782         * config/m68k/fpgnulib.c: Do not compile extendeed precision
8783         routines on ColdFire targets.
8784
8785 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8786
8787         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
8788         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
8789         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
8790         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
8791         explicitly set MOTOROLA to 1.
8792         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
8793
8794 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8795             Nathan Sidwell  <nathan@codesourcery.com>
8796
8797         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
8798         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
8799         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
8800         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
8801         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
8802         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
8803         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
8804         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
8805         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
8806         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
8807         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
8808         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
8809         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
8810         (DBX_REGISTER_NUMBER): Delete.
8811         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
8812         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
8813         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
8814
8815 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8816
8817         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
8818         * config/flat.h: New file.
8819         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
8820         OBJECT_FORMAT_FLAT.
8821         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
8822         indirect references for -msep-data or -mid-shared-library.
8823         Do not use PC-relative code addresses either.
8824         * config/m68k/m68k.c (override_options): Restrict -fPIC error
8825         to -mpcrel.
8826         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
8827         for shared libraries and crt1.o for executables.  Use crti.o and
8828         crtbegin.o.
8829         (ENDFILE_SPEC): Use crtend.o and crtn.o.
8830         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
8831         Do not add -elf2flt or -shared-lib-id options here.
8832         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
8833         Pass -shared-lib-id if -mid-shared-library, taking the library
8834         identifier from -mshared-library-id if given, otherwise
8835         defaulting to 0.
8836         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
8837         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
8838         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
8839         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
8840         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
8841         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
8842         and crtend.o.
8843         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
8844         jump sequence for ISA A and ISA A+.
8845         (PICJUMP): Likewise.
8846
8847 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8848
8849         * config.gcc (m68k-*-uclinux*): Base the port on the common
8850         and m68k GNU/Linux files rather than on the generic ELF ones.
8851         * config/m68k/uclinux.h (TARGET_VERSION): Override.
8852         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
8853
8854 2007-01-18  Julian Brown  <julian@codesourcery.com>
8855             Richard Sandiford  <richard@codesourcery.com>
8856
8857         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
8858         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
8859         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
8860         before redefining.
8861         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
8862         80 unconditionally.
8863         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
8864
8865 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8866
8867         * doc/install.texi: Document m68k-uclinuxoldabi.
8868         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
8869         * config/m68k/uclinux-oldabi.h: New file, copied from
8870         config/m68k/uclinux.h.
8871
8872 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
8873
8874         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
8875         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
8876         (m32r_compute_frame_size): Use unsigned for regno.
8877         (m32r_reload_lr): Use gen_frame_mem.
8878         (pop): New.
8879         (m32r_output_function_epilogue): Don't output the function epilogue
8880         textually here.
8881         (m32r_expand_epilogue): New.
8882         (direct_return): Return false if the function has the interrupt
8883         attribute.
8884         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
8885         * config/m32r/m32r.md (epilogue): New expander.
8886         (return_lr, return_rte): New insns.
8887         (return): Make it expander.
8888         (return_normal): New expander.
8889
8890 2007-01-18  Josh Conner  <jconner@apple.com>
8891
8892         PR target/30485
8893         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
8894         support for UNLE, UNLT, UNGE, and UNGT.
8895
8896 2007-01-18  Jan Hubicka  <jh@suse.cz>
8897
8898         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
8899         * tree-tailcall (add_virtual_phis): Likewise.
8900         (optimize_tail_call): Return TODOs.
8901         (execute_tail_calls): Return TODOs.
8902         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
8903         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
8904         changed.
8905         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
8906         Cleanup cfg using TODO.
8907         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
8908         * passes.c (execute_function_todo): When cleanup did something, remove
8909         unused locals.
8910         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
8911         (make_edges): Don't cleanup_cfg.
8912
8913 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
8914
8915         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
8916         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
8917         operate on the top of stack.
8918         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
8919         register handling of instructions that output to the second
8920         stack slot.
8921         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
8922         (move_for_stack_reg): Special-case check for dead destination
8923         stack slot for constant load of 1.0 inside UNSPEC_TAN.
8924
8925         * config/i386/i386.md (UNSPEC_TAN): New constant.
8926         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
8927         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
8928         to correctly model move of constant 1.0 to top stack slot.
8929         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
8930         (unnamed peephole2 pattern): Remove corresponding peephole2
8931         pattern that optimizes tan insn and loading of constant 1.0.
8932         (tanxf2): Use fptanxf4_i387.
8933         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
8934         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
8935         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8936         disable patterns for SSE math.
8937         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
8938         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
8939
8940 2007-01-18  Dirk Mueller  <dmueller@suse.de>
8941             Richard Guenther <rguenther@suse.de>
8942
8943         PR diagnostic/8268
8944         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
8945         * common.opt (Warray-bounds): Add new warning option.
8946         * c-opts.c (c_common_handle_option): Define -Warray-bounds
8947         if -Wall is given.
8948         * Makefile.in: make tree-vrp.o depend on toplev.h
8949         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
8950         is enabled.
8951         (check_array_refs, check_array_bounds, check_array_ref): New.
8952
8953 2007-01-18  Jan Hubicka  <jh@suse.cz>
8954
8955         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
8956         (execute_ssa_ccp): Return flags conditionally.
8957         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
8958         changed.
8959         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
8960
8961 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
8962
8963         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
8964         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
8965
8966         * Makefile.c (GTFILES): Add cfglayout.h.
8967         * gengtype.c (open_base_files): Likewise.
8968         * cfglayout.c (cfg_layout_function_footer,
8969         cfg_layout_function_header) Reindent to make gengtype happy.
8970         * cfglayout.h (cfg_layout_function_footer,
8971         cfg_layout_function_header): Add GTY(()) marker.
8972
8973         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
8974
8975 2007-01-18  Ben Elliston  <bje@au.ibm.com>
8976
8977         * genautomata.c (write_automata): Include xstrerror output in the
8978         error message if writing the DFA description file fails.
8979
8980 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
8981
8982         * config/mips/mips-protos.h (mips_output_external): Make it
8983         return void.
8984         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
8985         * config/mips/mips.c (irix_output_external_libcall): Likewise.
8986         (extern_list): Likewise.
8987         (extern_head): Likewise.
8988         (TARGET_ASM_FILE_END): Likewise.
8989         (mips_file_end): Likewise.
8990         (mips_output_external): Rewritten.
8991
8992 2007-01-18  Ben Elliston  <bje@au.ibm.com>
8993
8994         * genpreds.c (write_insn_preds_c): Only write out the function
8995         body for regclass_for_constraint if we have register constraints.
8996
8997 2007-01-17  Tom Tromey  <tromey@redhat.com>
8998
8999         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
9000         * doc/install.texi (Testing): Use sourceware.org.
9001         (Binaries): Likewise.
9002         (Specific): Likewise.
9003         * doc/contrib.texi (Contributors): Use sourceware.org.
9004
9005 2007-01-17  Anatoly Sokolov <aesok@post.ru>
9006
9007         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
9008         (AVR_ENHANCED): Rename to ...
9009         (AVR_HAVE_MUL): ... new.
9010         (avr_enhanced_p): Rename to ...
9011         (avr_have_mul_p): ... new.
9012         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
9013         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
9014         * config/avr/avr.c (avr_enhanced_p): Rename to ...
9015         (avr_have_mul_p): ... new.
9016         (base_arch_s): Rename 'enhanced' to 'have_mul'.
9017         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
9018         'avr_enhanced_p' and 'enhanced'.
9019         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
9020         AVR_HAVE_MUL instead of AVR_ENHANCED.
9021         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
9022         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
9023         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
9024         instead of AVR_ENHANCED.
9025         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
9026         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
9027         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
9028
9029 2007-01-17  Ian Lance Taylor  <iant@google.com>
9030
9031         * vec.h (VEC_reserve_exact): Define.
9032         (vec_gc_p_reserve_exact): Declare.
9033         (vec_gc_o_reserve_exact): Declare.
9034         (vec_heap_p_reserve_exact): Declare.
9035         (vec_heap_o_reserve_exact): Declare.
9036         (VEC_OP (T,A,reserve_exact)): New static inline function, three
9037         versions.
9038         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
9039         negative parameter.
9040         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
9041         (VEC_OP (T,A,copy)) [all versions]: Likewise.
9042         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
9043         * vec.c (calculate_allocation): Add exact parameter.  Change all
9044         callers.
9045         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
9046         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
9047         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
9048         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
9049         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
9050         (vec_heap_p_reserve_exact): New function.
9051         (vec_heap_o_reserve_exact): New function.
9052
9053 2007-01-17  Jan Hubicka  <jh@suse.cz>
9054
9055         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
9056
9057 2007-01-17  Eric Christopher  <echristo@apple.com>
9058
9059         * config.gcc: Support core2 processor.
9060
9061 2007-01-16  Jan Hubicka  <jh@suse.cz>
9062
9063         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
9064         the names, just unlink the chain so we don't crash on dangling pointers
9065         to dead SSA names.
9066
9067 2007-01-16  Jan Hubicka  <jh@suse.cz>
9068
9069         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
9070         * tree-pass.h: Reorder to make IPA passes appear toegher.
9071         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
9072         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
9073         parameters, do not call early inliner.
9074         * ipa-inline.c: Update comments.  Include tree-flow.h
9075         (cgraph_decide_inlining): Do not compute inlining parameters.
9076         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
9077         be called with function context set up.
9078         (pass_ipa_inline): Remove unreachable functions before pass.
9079         (cgraph_early_inlining): Simplify assuming to be called from the
9080         PM as local pass.
9081         (pass_early_inline): New pass.
9082         (cgraph_gate_ipa_early_inlining): New gate.
9083         (pass_ipa_early_inline): Turn into simple wrapper.
9084         (compute_inline_parameters): New function.
9085         (gate_inline_passes): New gate.
9086         (pass_inline_parameters): New pass.
9087         (apply_inline): Move here from tree-optimize.c
9088         (pass_apply_inline): New pass.
9089         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
9090         transforming.
9091         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
9092         doing them by hand.
9093         (tree_function_versioning): Do not allocate dummy struct function.
9094         * tree-inline.h (optimize_inline_calls): Update prototype.
9095         * tree-optimize.c (execute_fixup_cfg): Export.
9096         (pass_fixup_cfg): Remove
9097         (tree_rest_of_compilation): Do not apply inlines.
9098         * tree-flow.h (execute_fixup_cfg): Declare.
9099         * Makefile.in (gt-passes.c): New.
9100         * passes.c: Include gt-passes.h
9101         (init_optimization_passes): New passes.
9102         (nnodes, order): New static vars.
9103         (do_per_function_toporder): New function.
9104         (execute_one_pass): Dump current pass here.
9105         (execute_ipa_pass_list): Don't dump current pass here.
9106
9107 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
9108
9109         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
9110         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
9111
9112 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
9113
9114         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
9115         (strong_alias): Define.
9116         (__gcc_qmul): Provide non-FMA for soft-float.
9117         (__gcc_qdiv): Same.
9118         (__gcc_qneg): New.
9119         (__gcc_qeq): New.
9120         (__gcc_qle): New.
9121         (__gcc_qge): New.
9122         (__gcc_qunord): New.
9123         (__gcc_stoq): New.
9124         (__gcc_dtoq): New.
9125         (__gcc_qtos): New.
9126         (__gcc_qtod): New.
9127         (__gcc_qtoi): New.
9128         (__gcc_qtou): New.
9129         (__gcc_itoq): New.
9130         (__gcc_utoq): New.
9131         (fmsub): New.
9132         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
9133         soft-float functions.
9134         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
9135         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
9136         about long double soft float.
9137
9138 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
9139             Tehila Meyzels  <tehila@il.ibm.com>
9140
9141         * tree-vectorizer.h (is_pattern_stmt_p): New.
9142         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
9143         formatting (tabs instead of spaces). Cleanup and clarify setting
9144         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
9145         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
9146         (vectorizable_type_demotion): Check that types are integral.
9147         (vectorizable_type_promotion): Likewise.
9148         (vectorizable_store): Fix typo.  Eliminate new-line at end of
9149         comments.
9150
9151 2007-01-16  Jan Hubicka  <jh@suse.cz>
9152
9153         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
9154         cgraph edges too.
9155
9156 2007-01-15  Eric Christopher  <echristo@apple.com>
9157
9158         * ifcvt.c: Include vec.h, vecprim.h.
9159         (check_cond_move_block): New argument regs.
9160         Reorganize. Add registers used to regs.
9161         (cond_move_process_if_block): Use regs set above as
9162         loop bounds.
9163
9164 2007-01-15  Eric Christopher  <echristo@apple.com>
9165
9166         * config/darwin.h: Update copyright.
9167         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
9168         (LINK_COMMAND_SPEC): Add -u.
9169         (LINK_SPEC): Fix umbrella for above.
9170
9171 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
9172
9173         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
9174         glibc CVS.
9175
9176 2007-01-15  Tom Tromey  <tromey@redhat.com>
9177
9178         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
9179         * doc/install.texi (Testing): Don't mention jacks.
9180         (Configuration): Document --enable-java-maintainer-mode.  Move
9181         --with-java-home to libgcj-specific section.  Document
9182         --with-ecj-jar.
9183         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
9184
9185 2007-01-15  Jan Hubicka  <jh@suse.cz>
9186
9187         * tree-ssa-dce.c (DCE_TODOs): New.
9188         (propagate_necessity): Return if something changed.
9189         (eliminate_unnecessary_stmts): Likewise.
9190         (perform_tree_ssa_dce): Return TODO flags when needed.
9191         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
9192
9193 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
9194
9195         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
9196         (fyl2x_extend<mode>xf3_i387): New insn pattern.
9197         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
9198         patterns using X87MODEF12 mode macro.  Extend operand 1
9199         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
9200         (log10<mode>2): Ditto.
9201         (log2<mode>2): Ditto.
9202         (log1p<mode>2): Ditto.
9203         (logb<mode>2): Ditto.
9204         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
9205         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
9206         (*fxtractxf3_i387): Rename from *fxtractxf3.
9207         (fxtract_extend<mode>xf3_i387): New insn pattern.
9208         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
9209         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
9210         and gen_fyl2xxf3_i387().
9211
9212 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
9213
9214         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
9215         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
9216         get_loop_exit_edges.  Changed return type to bool.
9217         * cfgloop.h (fix_loop_placement): Declaration removed.
9218
9219 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
9220
9221         * param.h (MIN_VECT_LOOP_BOUND): New.
9222         * params.def (MIN_VECT_LOOP_BOUND): New.
9223         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
9224         argument - minimum threshold for number of iterations.
9225         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
9226         argument to declaration.
9227         * tree-vect-analyze.c (vect_analyze_operations): Check value of
9228         MIN_VECT_LOOP_BOUND.
9229         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
9230         slpeel_tree_peel_loop_to_edge with additional argument.
9231         (vect_do_peeling_for_alignment): Likewise.
9232         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
9233
9234 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
9235
9236         PR target/30413
9237         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
9238         operands of size 1.
9239
9240 2007-01-14  Jan Hubicka  <jh@suse.cz>
9241
9242         * tree-dfa.c (remove_referenced_var): New function.
9243         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
9244         prune referenced vars list too.
9245         * tree-flow.h (remove_referenced_var): Declare.
9246
9247 2007-01-14  Jan Hubicka  <jh@suse.cz>
9248
9249         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
9250         separately.
9251         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
9252         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
9253         * except.h (verify_eh_throw_table_statements): Kill prototype.
9254         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
9255         into call exrepssions.
9256         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
9257         eh trhow verifier.
9258         * tree-cfg.c: Include pointer-set.h.
9259         (verify_node_sharing): Work on pointer set.
9260         (verify_eh_throw_stmt_node): New.
9261         (verify_stmts): Use pointers sets, verify throw_stmt.
9262
9263 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
9264
9265         * ipa-reference.c (analyze_function): Consider also addresses taken
9266         in phi nodes.
9267
9268 2007-01-12  Roger Sayle  <roger@eyesopen.com>
9269
9270         * c-typeck.c (null_pointer_constant_p): Replace use of
9271         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9272         (build_c_cast): Likewise.
9273
9274 2007-01-12  Roger Sayle  <roger@eyesopen.com>
9275
9276         * tree.h (force_fit_type_double): Remove unused final argument.
9277         * c-common.c (constant_expression_warning): Replace use of
9278         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9279         (convert_and_check): Likewise.
9280         (shorten_compare): Update call to force_fit_type_double.
9281         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
9282         * convert.c (convert_to_pointer): Update call to
9283         force_fit_type_double.
9284         * fold-const.c (force_fit_type_double): Remove overflowed_const
9285         argument.
9286         (int_const_binop, fold_convert_const_int_from_int,
9287         fold_convert_const_int_from_real, fold_div_compare,
9288         fold_sign_changed_comparison, fold_unary, fold_negate_const,
9289         fold_abs_const, fold_not_const): Remove the final argument from
9290         calls to force_fit_type_double.
9291
9292 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9293
9294         * configure.ac: Set insn to "nop" for spu-*-* also.
9295         * configure: Regenerate.
9296
9297 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
9298
9299         * builtins.def : Add BUILT_IN_FREE.
9300
9301 2007-01-12  Jan Hubicka  <jh@suse.cz>
9302
9303         PR tree-optimization/30443
9304         * tree-inline.c (tree_function_versioning): Do not optimize when
9305         cloning for inlining.
9306
9307 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
9308
9309         * doc/loop.texi: Document recording of loop exits.
9310         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
9311         (update_single_exits_after_duplication,
9312         update_single_exit_for_duplicated_loop,
9313         update_single_exit_for_duplicated_loops): Removed.
9314         (duplicate_loop_to_header_edge): Do not call
9315         update_single_exits_after_duplication and
9316         update_single_exit_for_duplicated_loops.
9317         (loop_version): Do not update single_exit information.
9318         (fix_loop_structure): Use record_loop_exits instead of
9319         mark_single_exit_loops.
9320         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
9321         the lists of loop exits.
9322         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
9323         split_edge, merge_blocks): Update the lists of loop exits.
9324         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
9325         loop_optimizer_init.
9326         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
9327         of mark_single_exit_loops.
9328         (loop_optimizer_finalize): Call release_recorded_exits.
9329         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
9330         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
9331         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
9332         update single exit information.
9333         * lambda-code.c (perfect_nestify): Ditto.
9334         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
9335         (mark_single_exit_loops): Removed.
9336         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
9337         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
9338         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
9339         functions.
9340         (get_loop_exit_edges, single_exit): Use recorded exit lists.
9341         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
9342         (verify_loop_structure): Verify consistency of the exit lists.
9343         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
9344         (set_single_exit): Removed.
9345         * cfgloop.h (struct loop_exit): New function.
9346         (struct loop): single_exit_ field replaced by exits field.
9347         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
9348         (struct loops): Added exits hash.
9349         (mark_single_exit_loops, set_single_exit): Declaration removed.
9350         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
9351
9352 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9353
9354         * doc/invoke.texi: Avoid use of @headitem.
9355
9356 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9357
9358         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
9359
9360 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9361
9362         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
9363         list of targets.
9364
9365 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9366             Richard Sandiford  <richard@codesourcery.com>
9367
9368         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
9369         * config/m68k/m68k.opt: Resort options.
9370         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
9371
9372 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9373             Richard Sandiford  <richard@codesourcery.com>
9374
9375         * doc/invoke.texi: Document the macros that are defined by
9376         m68k's -mtune and -mhard-float options.
9377         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
9378         (m68k_cpp_cpu_family): Likewise.
9379         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
9380         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
9381         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
9382         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
9383         (m68k_cpp_cpu_family): Likewise.
9384
9385 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9386
9387         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
9388         macros besides mc68000 as tuning macros.  Use a switch statement
9389         to set them and mcpu32.
9390
9391 2007-01-12  Julian Brown  <julian@codesourcery.com>
9392
9393         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
9394         (TARGET_68040_ONLY): Rename to...
9395         (TARGET_68040): ...this.
9396         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
9397         * config/m68k/m68k.md: Likewise.
9398
9399 2007-01-12  Julian Brown  <julian@codesourcery.com>
9400             Nathan Sidwell  <nathan@codesourcery.com>
9401             Richard Sandiford  <richard@codesourcery.com>
9402
9403         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
9404         the -mcpu= argument associated with the --with-cpu setting.
9405         Define M68K_DEFAULT_TUNE to the default -mtune= option,
9406         if different from the one implied by the -mcpu setting.
9407         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
9408         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
9409         * doc/invoke.texi: Mention ColdFire in the introduction to the
9410         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
9411         -mno-div and -mhard-float options.  Make -m68881 a synonym for
9412         -mhard-float.  Document the previously-undocumented -m5206e,
9413         -m528x, -m5307 and -m5407 options.  Tweak the existing option
9414         documentation for consistency.
9415         * doc/install.texi: Mention new --with-cpu arguments.
9416         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
9417         default CPU if neither -mcpu nor -march are specified.
9418         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
9419         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
9420         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
9421         using m68k_tune to decide between families that implement the
9422         same ISA.  Use m68k_tune to set __mcfv4e__.
9423         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
9424         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
9425         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
9426         (FL_ISA_C, FL_ISA_MMU): New macros.
9427         (MASK_COLDFIRE): Delete.
9428         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
9429         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
9430         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
9431         (TARGET_HARD_FLOAT): Do not define here.
9432         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
9433         (TUNE_68000): New macro.
9434         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
9435         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
9436         (TUNE_CFV2): Redefine in terms of m68k_tune.
9437         (uarch_type, target_device, fpu_type): New enums.
9438         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
9439         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
9440         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
9441         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
9442         (FL_FOR_isa_c): New macros.
9443         (m68k_isa): New enum.
9444         (m68k_target_selection): New structure.
9445         (all_devices, all_isas, all_microarchs): New tables.
9446         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
9447         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
9448         (MASK_ALL_CPU_BITS): Delete.
9449         (m68k_find_selection): New function.
9450         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
9451         Map the legacy target options to a combination of the new ones.
9452         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
9453         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
9454         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
9455         settings.
9456         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
9457         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
9458         properties.
9459         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
9460         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
9461         * config/m68k/m68k-devices.def: New file.
9462
9463 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9464             Nathan Sidwell  <nathan@codesourcery.com>
9465
9466         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
9467         (SUBTARGET_EXTRA_SPECS): New macros.
9468         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
9469         use %(asm_cpu_spec) instead.
9470         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
9471         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
9472         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
9473         (EXTRA_SPECS): Rename to...
9474         (SUBTARGET_EXTRA_SPECS): ...this.
9475
9476 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9477             Richard Sandiford  <richard@codesourcery.com>
9478             Julian Brown  <julian@codesourcery.com>
9479
9480         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9481         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
9482         to the configuration's default CPU.
9483         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
9484         Remove default masks.
9485         (m680[012]0-*-*): Set the default with_cpu to the first part of
9486         the target name.
9487         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
9488         (m68k*-*-linux): Extend the --with-cpu handling to...
9489         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
9490         and m68010.  Don't set target_cpu_default2.
9491         * doc/install.texi: Document --with-cpu for m68k.
9492         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
9493         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
9494         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
9495         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
9496         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
9497         (ASM_SPEC): Remove use of %(asm_cpu_default).
9498         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
9499         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
9500         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
9501         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
9502         __HAVE_FPU__ if TARGET_HARD_FLOAT.
9503         (TARGET_DEFAULT): Delete.
9504         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
9505         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
9506         (CPP_CPU_SPEC): Delete.
9507         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
9508         the appropriate string.
9509         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
9510         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
9511         (ASM_SPEC): Don't use %(asm_default_spec).
9512         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9513         TARGET_DEFAULT and add MASK_68881.
9514         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
9515
9516 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9517
9518         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
9519         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
9520         MASK_68010 alongside MASK_68020.
9521         * doc/invoke.texi: Document -m68010.
9522         * config/m68k/m68k.opt (m68010): New.
9523         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
9524         if TUNE_68010.
9525         (TUNE_68010): New macro.
9526         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
9527         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
9528         (M68K_CPU_m68332): Add MASK_68010.
9529         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
9530         fallback definition.
9531         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
9532         defines.
9533         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
9534         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
9535         to all entries that use MASK_68020.
9536         (output_move_simode_const, output_move_himode, output_move_qimode)
9537         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
9538         instead of TARGET_68020 to select clr behavior.  Remove comment
9539         about there being no TARGET_68010.
9540         * config/m68k/m68k.md: Likewise throughout.
9541
9542 2007-01-12  Julian Brown  <julian@codesourcery.com>
9543
9544         * config/m68k/m68k.h (TARGET_ISAB): New macro.
9545         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
9546         * config/m68k/m68k.md: Likewise.
9547
9548 2007-01-12  Julian Brown  <julian@codesourcery.com>
9549
9550         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
9551         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
9552
9553 2007-01-12  Julian Brown  <julian@codesourcery.com>
9554
9555         * config/m68k/m68k.h (TUNE_68040_60): New macro.
9556         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
9557         * config/m68k/m68k.md: Likewise.
9558
9559 2007-01-12  Julian Brown  <julian@codesourcery.com>
9560             Richard Sandiford  <richard@codesourcery.com>
9561
9562         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
9563         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
9564         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
9565         TARGET_CPU32.
9566         (TARGET_CPU32): Rename to...
9567         (TUNE_CPU32): ...this.
9568         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
9569         (TUNE_CFV2): New macros.
9570         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
9571         remove conditions that are implied by TARGET_68020.
9572         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
9573         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
9574         (m68k_output_function_epilogue): Likewise.
9575         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
9576         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
9577         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
9578         non-68000 timings.  Refactor multiplication and division costs.
9579         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
9580         TUNE_CPU32 instead of TARGET_CPU32.
9581         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
9582         and TUNE_68060 instead of TARGET_68060.
9583         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
9584         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
9585         TARGET_CPU32.
9586         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
9587         && !TARGET_COLDFIRE" to choose between moveq and clr.
9588         Likewise in the unnamed movsf pattern.
9589         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
9590         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
9591         ashiftrt pattern.
9592
9593 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9594
9595         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
9596         of tabbing before backslashes.
9597
9598 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9599
9600         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
9601         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
9602         (ASM_OUTPUT_INTERNAL_LABEL): Define.
9603
9604 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
9605
9606         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
9607         find_interesting_uses_cond.
9608         (find_interesting_uses_cond): Use extract_cond_operands.
9609         (rewrite_use_compare): Use extract_cond_operands and
9610         force_gimple_operand_bsi.  Do not call update_stmt.
9611         (determine_use_iv_cost_condition): Use extract_cond_operands.
9612         Return cheaper of using original bound and changing the exit bound.
9613
9614 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
9615
9616         PR tree-optimization/29516
9617         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
9618         most_expensive_mult_to_index, addr_to_parts,
9619         create_mem_ref, maybe_fold_tmr): Make the type of
9620         fields of TARGET_MEM_REF sizetype.
9621         (move_fixed_address_to_symbol, move_pointer_to_base):
9622         New functions.
9623         * tree.def (TARGET_MEM_REF): Add comment on types of
9624         the operands.
9625
9626 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
9627
9628         * c-common.c (vector_types_convertible_p): Treat opaque types as
9629         always convertible if they have the same size, but not otherwise.
9630
9631 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
9632
9633         * ifcvt.c (struct noce_if_info): Add comments to the fields.
9634         Remove the b_unconditional field.
9635         (noce_try_sign_mask): Do not look at b_unconditional.
9636         (noce_process_if_block): Do not use merge_if_blocks.  Update
9637         the CFG here.  Do not set b_unconditional.
9638         (cond_move_process_if_block): Likewise.
9639         (find_cond_trap): Likewise.
9640         (check_cond_move_block): Require simple jump insns at the end
9641         of the basic block.
9642
9643 2007-01-11  Jan Hubicka  <jh@suse.cz>
9644
9645         PR tree-optimization/1046
9646         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
9647         when alias info is not ready.
9648         (pass_tail_recursion): Do not require aliasing.
9649         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
9650         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
9651         * tree-ssa-copy.c (pass_copy_prop): Likewise.
9652         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
9653         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
9654         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
9655         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
9656         before inlining.
9657         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
9658         When aliasing is not build, mark statement as volatile.
9659
9660 2007-01-11  Tom Tromey  <tromey@redhat.com>
9661
9662         PR preprocessor/15185, PR preprocessor/20989:
9663         * doc/cppopts.texi <-MT>: Update description of algorithm for
9664         computing default target.
9665         <-M, -MD>: Reword "basename" text.
9666
9667 2007-01-11  Roger Sayle  <roger@eyesopen.com>
9668
9669         * builtins.c (expand_builtin_pow, expand_builtin_powi,
9670         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
9671         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
9672         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
9673         fold_builtin_bswap, real_constp, fold_builtin_pow,
9674         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
9675         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
9676         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9677         * convert.c (convert_to_pointer): Likewise.
9678         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
9679         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
9680         const_binop, fold_convert_const_int_from_int,
9681         fold_convert_const_int_from_real,
9682         fold_convert_const_real_from_real, sign_bit_p,
9683         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
9684         fold_sign_changed_comparison, fold_unary, fold_comparison,
9685         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
9686         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
9687         * print-tree.c (print_node_brief, print_node): Likewise.
9688         * stor-layout.c (place_field, layout_type): Likewise.
9689         * tree-chrec.c (keep_cast): Likewise.
9690         * tree.c (build_vector, build_real, build_real_from_int_cst,
9691         build_complex): Likewise.
9692
9693 2007-01-11  Roger Sayle  <roger@eyesopen.com>
9694
9695         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
9696         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
9697
9698 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
9699
9700         * configure.ac (strict1_warn): Rename to strict_warn.
9701         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
9702         cc_set_by_configure, quoted_cc_set_by_configure,
9703         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
9704         all_boot_languages, all_stagestuff): Remove.
9705         (target_list): Remove bootstrap targets.
9706         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
9707         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
9708         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
9709         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
9710         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
9711         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
9712         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
9713         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
9714         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
9715         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
9716         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
9717         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
9718         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
9719         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
9720         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
9721         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
9722         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
9723         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
9724         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
9725         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
9726         (mostlyclean): Adjust.
9727         (clean, distclean): Don't mention bootstrap stuff.
9728         * configure: Regenerate.
9729         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
9730         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
9731         treelang/config-lang.in (stagestuff): Remove.
9732         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
9733         stageprofile, stagefeedback, stagestuff): Remove mention.
9734
9735 2007-01-11  Nick Clifton  <nickc@redhat.com>
9736
9737         * config/mcore/predicates.md (mcore_general_movesrc_operand):
9738         Accept CONSTs.
9739         (mcore_general_movdst_operand): Do not accept CONST_INTs.
9740         (mcore_arith_K_S_operand): Run the test for the S constraint not
9741         the test for the M constraint.
9742         (mcore_addsub_operand): Do not accept integer values that are
9743         larger than 32 bits.
9744         * config/mcore/mcore.md: Remove unused constraints from split.
9745         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
9746         (addsi3): Likewise.
9747         (allocate_stack): Likewise.
9748         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
9749         operands to 32 bits.
9750         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
9751         INTVAL.
9752         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
9753         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
9754         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
9755         mcore_output_bclri, mcore_output_andn, output_inline_const,
9756         mcore_output_move, mcore_output_movedouble): Likewise.
9757         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
9758         (output_inline_const): Likewise.
9759         (output_inline_const): Fix format strings used in sprintf
9760         statements.
9761         * config/mcore/mcore-protos.h: Update prototypes for changed
9762         functions in mcore.c.
9763         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
9764         HOST_WIDE_INT and not int.
9765         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
9766         CONST_OK_FOR_N): Likewise.
9767         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
9768         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
9769         an INTVAL.
9770
9771 2007-01-10  Jan Hubicka  <jh@suse.cz>
9772
9773         * tree-vrp.c (remove_range_assertions): Release defs.
9774         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
9775         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
9776
9777 2007-01-10  Paul Brook  <paul@codesourcery.com>
9778
9779         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
9780         * config/arm/arm.md (mulsi3subsi): New insn.
9781
9782 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
9783
9784         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
9785         (tree_transform_and_unroll_loop): New.
9786         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
9787         Declare.
9788
9789 2007-01-10  Robert Kennedy <jimbob@google.com>
9790
9791         * fold-const.c (fold_comparison): Fold comparisons like (x *
9792         1000 < 0) to (x < 0).
9793
9794 2007-01-10  Ian Lance Taylor  <iant@google.com>
9795
9796         * tree-pretty-print.c (dump_generic_node): Print parentheses when
9797         operands have the same priority.
9798
9799 2007-01-10  Tom Tromey  <tromey@redhat.com>
9800
9801         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
9802         (fold_binary): Likewise.
9803         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
9804         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
9805         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
9806         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
9807         * langhooks.h (struct lang_hooks): Removed field
9808         'can_use_bit_fields_p'.
9809
9810 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
9811
9812         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
9813
9814 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
9815
9816         * function.c (get_last_funcdef_no): New function.
9817         * function.h (get_last_funcdef_no): Declare.
9818         * tree-inline.c (initialize_cfun): Add initialization.
9819         (tree_function_versioning): Cleanup.
9820
9821 2007-01-10  Jan Hubicka  <jh@suse.cz>
9822
9823         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
9824         PHIs.
9825
9826 2007-01-10  Sa Liu  <saliu@de.ibm.com>
9827             Ben Elliston  <bje@au.ibm.com>
9828
9829         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
9830         for SAVE_NONLOCAL and Pmode for any other save level.
9831         * spu-protos.h (spu_restore_stack_block): Declare.
9832         * spu.md (save_stack_block): Remove.
9833         (restore_stack_block): Call spu_restore_stack_block.
9834         * spu.c (spu_restore_stack_block): New function.
9835         (spu_expand_epilogue): Remove old comment.
9836
9837 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
9838
9839         PR tree-optimization/30322
9840         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
9841         (cand_value_at): Return the value as aff_tree.
9842         (may_eliminate_iv): Convert the bound from aff_tree to tree.
9843         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
9844         aff_combination_mult): New functions.
9845         (aff_combination_add): Use aff_combination_add_cst.
9846         (aff_combination_convert): Allow conversions to a wider type.
9847         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
9848         * tree-affine.h (aff_combination_mult): Declare.
9849
9850 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
9851
9852         * doc/tm.texi: Update documentation to reflect reality of exec
9853         and start file search behaviours. Update copyright year.
9854         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
9855         header file directories.
9856
9857 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
9858
9859         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
9860         (*cosxf2): Rename to cosxf2_i387.
9861         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
9862         using X87MODEF12 mode macro. Rename patterns to
9863         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
9864         for SSE math.
9865         (*cosdf2, *cossf2): Ditto.
9866         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
9867         to match extended input operands.
9868         (sincos<mode>3): New expander.
9869         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
9870         insn patterns and corresponding splitters.
9871
9872 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
9873
9874         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
9875         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
9876
9877 2007-01-09  Nicolas Pitre  <nico@cam.org>
9878
9879         PR target/30173
9880         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
9881
9882 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
9883
9884         * target.h (struct gcc_target): New field library_rtti_comdat.
9885         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
9886         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
9887         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
9888         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
9889
9890 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
9891
9892         * doc/invoke.texi (Optimize Options): Correct description of -O0.
9893
9894 2007-01-08  Richard Guenther  <rguenther@suse.de>
9895
9896         * tree.h (force_fit_type_double): Export.
9897         (force_fit_type): Remove.
9898         * fold-const.c (force_fit_type_double): New function.
9899         (force_fit_type): Remove.
9900         (int_const_binop): Use it.
9901         (fold_convert_const_int_from_int): Likewise.
9902         (fold_convert_const_int_from_real): Likewise.
9903         (fold_div_compare): Likewise.
9904         (fold_sign_changed_comparison): Likewise.
9905         (fold_unary): Likewise.
9906         (fold_negate_const): Likewise.
9907         (fold_abs_const): Likewise.
9908         (fold_not_const): Likewise.
9909         * c-common.c (shorten_compare): Use force_fit_type_double.
9910         * convert.c (convert_to_pointer): Likewise.
9911
9912 2007-01-08  Richard Guenther  <rguenther@suse.de>
9913
9914         * tree.h (build_int_cst_wide_type): Export.
9915         * tree.c (build_int_cst_wide_type): New function.
9916         (build_int_cst_wide): Fix comment.
9917         * builtins.c (fold_builtin_object_size): Use build_int_cst
9918         to build -1 or 0 of the correct type.  Use fit_double_type
9919         to check for overflow.
9920         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
9921         to build the mask.
9922         (decode_field_reference): Likewise.
9923         (all_ones_mask_p): Likewise.
9924         (native_interpret_int): Use build_int_cst_wide_type.
9925         (fold_binary): Use build_int_cst_type to build an all-ones
9926         value.
9927         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
9928
9929 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
9930
9931         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
9932
9933 2007-01-09  Ben Elliston  <bje@au.ibm.com>
9934
9935         * genautomata.c (STATS_OPTION): New option.
9936         (stats_flag): New flag.
9937         (gen_automata_option): Handle it.
9938         (initiate_automaton_gen): Ditto.
9939         (write_automata): Output statistics only if stats_flag is
9940         set. Likewise, output time statistics only if time_flag is set.
9941         * doc/md.texi (Processor pipeline description): Document new flag.
9942
9943 2007-01-08  Richard Guenther  <rguenther@suse.de>
9944
9945         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
9946         * tree.c (build_int_cst_type): Likewise.
9947         (size_in_bytes): Don't call force_fit_type on the result.
9948         (int_fits_type_p): Use fit_double_type.
9949         * fold-const.c (fit_double_type): New function.
9950         (force_fit_type): Use it.
9951         * tree.h (fit_double_type): Export.
9952
9953 2007-01-08  Jan Hubicka  <jh@suse.cz>
9954
9955         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
9956         * ipa.c (function_and_variable_visibility): Fix return type.
9957
9958 2007-01-08  Richard Guenther  <rguenther@suse.de>
9959
9960         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
9961         of offset to build the index.
9962         * tree-pretty-print.c (dump_generic_node): Don't build negated
9963         const just for printing.
9964         * c-pretty-print.c (pp_c_integer_constant): Likewise.
9965         * builtins.c (fold_builtin_int_roundingfn): Check if result
9966         fits the type by using force_fit_type and comparing the result.
9967         * predict.c (predict_loops): Use compare_tree_int for comparison.
9968         * tree.c (build_int_cst): Fall back to integer_type_node for
9969         NULL_TREE type.
9970         (build_int_cst_wide): Assert type is non-null.
9971
9972 2007-01-08  Roberto Costa  <roberto.costa@st.com>
9973
9974         * tree-vrp.c (extract_range_from_cond_expr): New.
9975         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
9976         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
9977         as expressions.
9978         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
9979         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
9980         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
9981         used as expressions.
9982         * tree-object-size.c (cond_expr_object_size): New.
9983         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
9984
9985 2007-01-08  Jan Hubicka  <jh@suse.cz>
9986
9987         * tree-ssa-forwprop.c (forward_propagate_into_cond,
9988         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
9989         statement.
9990
9991 2007-01-08  Richard Guenther  <rguenther@suse.de>
9992
9993         PR tree-optimization/23603
9994         * tree-vrp.c (set_value_range_to_truthvalue): New function.
9995         (extract_range_from_binary): Fall back to truthvalue instead of
9996         varying for TRUTH_*_EXPR.
9997         (extract_range_from_comparison): Fall back to truthvalue instead of
9998         varying.
9999         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
10000         if all visited PHI values were constant.
10001
10002 2007-01-08  Jan Hubicka  <jh@suse.cz>
10003
10004         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
10005         (cgraph_analyze_function): break out from ...
10006         (cgraph_finalize_compilation_unit): ... here.
10007         (cgraph_expand_function): Remove forgoten commented out line.
10008         (cgraph_optimize): Analyze functions.
10009
10010 2007-01-08  Jan Hubicka  <jh@suse.cz>
10011
10012         * tree-pas.h (TODO_remove_function): New flag.
10013         (TODO_update*): Renumber.
10014         (pass_ipa_increase_alignment,
10015         pass_ipa_function_and_variable_visibility): New passes.
10016         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
10017         (cgraph_function_and_variable_visibility): Move to ipa.c
10018         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
10019         cgraph_increase_alignment.
10020         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
10021         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
10022         calling tree-inline.
10023         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
10024         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
10025         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
10026         (gate_increase_alignment): New function.
10027         (pass_ipa_increase_alignment): New pass.
10028         * ipa.c: Inline tree-pass.h and timevar.h
10029         (function_and_variable_visibility): Move here from cgraphunit.c
10030         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
10031         * passes.c (init_optimization_passes): Add the two new passes.
10032         (execute_todo): Handle cgraph_remove_functions.
10033
10034 2007-01-08  Nick Clifton  <nickc@redhat.com>
10035
10036         * config/frv/predicates.md (reg_or_0_operand): Accept
10037         CONST_DOUBLEs.
10038
10039 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
10040
10041         * config/bfin/rtems.h, config/bfin/t-rtems: New.
10042         * config.gcc: Add bfin*-rtems*.
10043
10044 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
10045
10046         * c.opt: Add -flax-vector-conversions.
10047         * c-typeck.c (convert_for_assignment): Pass flag to
10048         vector_types_convertible_p to allow emission of note.
10049         (digest_init): Likewise.
10050         * c-opts.c: Handle -flax-vector-conversions.
10051         * c-common.c (flag_lax_vector_conversions): New.
10052         (vector_types_convertible_p): Unless -flax-vector conversions
10053         has been passed, disallow conversions between vectors with
10054         differing numbers of subparts and/or element types.  If such
10055         a conversion is disallowed, possibly emit a note on the first
10056         occasion only to inform the user of -flax-vector-conversions.
10057         The new last argument specifies this.
10058         * c-common.h (flag_lax_vector_conversions): New.
10059         (vector_types_convertible_p): Add extra argument.
10060         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
10061         char_type_node for V*QI type vectors.
10062         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
10063         Update to satisfy new typechecking rules.
10064         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
10065         C and C++ variants.
10066         * doc/invoke.texi (C Dialect Options): Document
10067         -flax-vector-conversions.
10068
10069 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
10070
10071         PR tree-optimization/29877
10072         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
10073         a register variable on the RHS to not be replaceable.
10074
10075 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
10076         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
10077         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
10078         const_simm15, const_pow2, const_npow2): Added.
10079         * config/score/misc.md (insv, extv, extzv, movmemsi,
10080         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
10081         * config/score/score.c (score_address_cost, score_select_cc_mode):
10082         Added.
10083         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
10084         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
10085         Update score_print_operand.
10086         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
10087         Adjust register allocate order and update some macro define.
10088         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
10089         mdx_block_move_straight, mdx_block_move_loop_head,
10090         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
10091         mdx_block_move): Added.
10092         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
10093         mdp_limm): Updated and fix some bug and typo.
10094         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
10095         (movsf, movdf, doloop_end): Added.
10096
10097 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
10098
10099         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
10100         config/arm/thumb2.md: Fix comment typos.
10101         * doc/extend.texi: Fix a typo.
10102
10103 2007-01-07  Eric Christopher  <echristo@apple.com>
10104
10105         * configure.ac: Check for __stack_chk_fail for darwin.
10106         * configure: Regenerate.
10107
10108 2007-01-07  Richard Guenther  <rguenther@suse.de>
10109
10110         * tree-vrp.c (extract_range_from_assert): CSE calls to
10111         compare_values where possible.
10112         (extract_range_from_unary_expr): Likewise.
10113
10114 2007-01-07  Anatoly Sokolov <aesok@post.ru>
10115
10116         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
10117         * config/avr/avr.c (call_insn_operand): Delete function.
10118         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
10119         instead of register number. Use predicates.
10120         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
10121         call_insn_operand): Add.
10122
10123 2007-01-06  Jan Hubicka  <jh@suse.cz>
10124
10125         * tree-pass.h (pass_build_cgraph_edges): Declare.
10126         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
10127         (visited_nodes): Remove.
10128         (cgraph_create_edges): Move to cgraphbuild.c; rename to
10129         build_cgrpah_edges; make visited_nodes local.
10130         (cgraph_process_new_functions): DO not call initialize_inline_failed.
10131         (record_references_in_initializer): Move to cgraphbuild.c
10132         (initialize_inline_failed, rebuild_cgraph_edges,
10133         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
10134         (verify_cgraph_node): Make visited_nodes local.
10135         (cgraph_analyze_function): Do not call cgraph_create_edges and
10136         initialize_inline_failed.
10137         (cgraph_expand_function): Do not call cgraph_lower_function;
10138         assert that function is already lowered.
10139         * Makefile.in (cgraphbuild.o): New.
10140         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
10141         at the end of lowering passes.
10142
10143 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
10144
10145         * ifcvt.c (cond_move_convert_if_block): New function, code
10146         factored out from...
10147         (cond_move_process_if_block): ...here.  Call the new function
10148         on the THEN and ELSE blocks.
10149         (merge_if_block): Do not copy global_live_at_end, merge_blocks
10150         already takes care of this.
10151
10152 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10153
10154         PR c/19978
10155         * tree.h (TREE_OVERFLOW_P): New.
10156         * c-typeck.c (parser_build_unary_op): Warn only if result
10157         overflowed and operands did not.
10158         (parser_build_binary_op): Likewise.
10159         (convert_for_assignment): Remove redundant overflow_warning.
10160         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
10161
10162 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10163
10164         * c-typeck.c (store_init_value): Split over two lines to follow
10165         the GNU coding style.
10166
10167 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
10168
10169         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
10170         __GXX_EXPERIMENTAL_CXX0X__.
10171         * doc/cpp.texi: Same.
10172
10173 2007-01-05  Richard Guenther  <rguenther@suse.de>
10174
10175         PR middle-end/27826
10176         * tree.c (get_narrower): Do not construct COMPONENT_REFs
10177         with mismatched types.  Instead explicitly build a
10178         conversion NOP_EXPR.
10179
10180 2007-01-05  Ian Lance Taylor  <iant@google.com>
10181
10182         * c-common.c (decl_with_nonnull_addr_p): New function.
10183         (c_common_truthvalue_conversion): Call it.
10184         * c-typeck.c (build_binary_op): Likewise.
10185         * c-common.h (decl_with_nonnull_addr_p): Declare.
10186
10187 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
10188
10189         PR c/30360
10190         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
10191         denom against 0.0.
10192
10193 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
10194
10195         * doc/install.texi (Final install): Document the fact that
10196         the GNAT runtime should not be stripped.
10197
10198 2007-01-04  Jan Hubicka  <jh@suse.cz>
10199
10200         * tree-inline.c (fold_marked_statements): Update operand caches
10201         and EH after folding
10202
10203 2007-01-04  Ian Lance Taylor  <iant@google.com>
10204
10205         * c-common.c (check_function_nonnull): Whitespace fix.
10206
10207 2007-01-04  Jan Hubicka  <jh@suse.cz>
10208
10209         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
10210         comitted older version of patch.
10211         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
10212         function, celanup cfg and collect garbage.
10213
10214 2007-01-04  Mike Stump  <mrs@apple.com>
10215
10216         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
10217         (clean): Likewise.
10218
10219 2007-01-04  Eric Christopher  <echristo@apple.com>
10220
10221         * libgcc2.c (__bswapsi2): Use SItype.
10222         (__bswapdi2): Use DItype.
10223         * libgcc2.h: Update for above.
10224
10225 2007-01-04  Paul Brook  <paul@codesourcery.com>
10226
10227         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
10228         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
10229         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
10230         umulsidi3, umulsidi3adddi, smulsi3_highpart,
10231         umulsi3_highpart): Make conditional on !arm_arch6.
10232         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
10233         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
10234         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
10235         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
10236         umulsi3_highpart_v6): New insns.
10237
10238 2007-01-04  Roger Sayle  <roger@eyesopen.com>
10239
10240         * fold-const.c (fold_convert): When casting an expression to void,
10241         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
10242         have a type.  Instead of attempting to build a NOP_EXPR, return
10243         these "special" trees directly.
10244
10245 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
10246
10247         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
10248         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
10249         rs6000_cost->fp not 0 as adjustment for outer NEG.
10250
10251 2007-01-04  Jan Hubicka  <jh@suse.cz>
10252
10253         * cgraph.c (cgraph_release_function_body): New function.
10254         (cgraph_remove_node): Use it.
10255         * cgraph.h (cgraph_release_function_body): Declare.
10256         * cgraphunit.c (cgraph_expand_function): Use it.
10257         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
10258         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
10259         is initialized and while compilation of other function is running.
10260         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
10261         statement CFG annotations from here to ...
10262         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
10263
10264 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
10265
10266         * cfgloop.h (enum li_flags): Make the constants powers of two.
10267
10268 2007-01-04  Jan Hubicka  <jh@suse.cz>
10269
10270         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
10271         set.
10272         (fold_marked_statements): New function.
10273         (optimize_inline_calls, tree_function_versioning): Fold new statements.
10274         * tree-inline.h (copy_body_data): Add statements_to_fold.
10275
10276 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
10277
10278         * config.gcc: Mention libgcc/config.host.
10279         * Makefile.in: Update comments mentioning libgcc.
10280         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
10281         (all.cross, start.encap, rest.encap, rest.cross): Update
10282         dependencies for libgcc move.
10283         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
10284         (clean-target, clean-target-libgcc): Delete.
10285         (srcdirify, GCC_EXTRA_PARTS): New macros.
10286         (libgcc-support, libgcc.mvars): New rules.
10287         (distclean): Remove mention of mklibgcc.
10288         (install): Don't reference INSTALL_LIBGCC.
10289         (install-common): Don't reference EXTRA_PARTS.
10290         (install-libgcc, install-multilib): Delete rules.
10291         * mklibgcc.in: Delete file.
10292         * doc/configfiles.texi: Don't mention mklibgcc.
10293
10294         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
10295         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
10296         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
10297         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
10298         (mklibgcc, ldblspecs): Likewise.
10299
10300         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
10301         (posixpre.def): Use $(T).
10302         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
10303         (SHLIB_SRC, SHLIB_INSTALL): Delete.
10304         (SHLIB_LINK): Make dummy.
10305         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
10306
10307         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
10308
10309         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
10310         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
10311         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
10312         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
10313
10314         * configure.ac (all_outputs): Remove mklibgcc.
10315         * configure: Regenerated.
10316
10317 2007-01-03  Josh Conner  <jconner@apple.com>
10318
10319         PR middle-end/29683
10320         * calls.c (compute_argument_addresses): Set stack and stack_slot
10321         for partial args, too.
10322         (store_one_arg): Use locate.size.constant for the size when
10323         generating a save_area.
10324
10325 2007-01-03  Robert Kennedy <jimbob@google.com>
10326
10327         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
10328         whose definitions are deleted due to basic block merging.
10329
10330 2007-01-03  Paul Brook  <paul@codesourcery.com>
10331
10332         PR target/16634
10333         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
10334         functions.
10335         (use_return_insn): Return 0 for Thumb interrupt functions.
10336         (print_multi_reg): Add rfe argument for IRQ returns.
10337         (arm_output_epilogue): Pop interrupt return address directly into PC.
10338         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
10339
10340 2007-01-03  Paul Brook  <paul@codesourcery.com>
10341
10342         Merge from sourcerygxx-4_1.
10343         * config/arm/thumb2.md: New file.
10344         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
10345         Thumb-2.
10346         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
10347         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
10348         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
10349         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
10350         tables.
10351         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
10352         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
10353         comptibility.
10354         * config/arm/ieee754-sf.S: Ditto.
10355         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
10356         (thumb1_base_register_rtx_p): ... to this.
10357         (thumb_index_register_rtx_p): Rename...
10358         (thumb1_index_register_rtx_p): ... to this.
10359         (thumb_output_function_prologue): Rename...
10360         (thumb1_output_function_prologue): ... to this.
10361         (thumb_legitimate_address_p): Rename...
10362         (thumb1_legitimate_address_p): ... to this.
10363         (thumb_rtx_costs): Rename...
10364         (thumb1_rtx_costs): ... to this.
10365         (thumb_compute_save_reg_mask): Rename...
10366         (thumb1_compute_save_reg_mask): ... to this.
10367         (thumb_final_prescan_insn): Rename...
10368         (thumb1_final_prescan_insn): ... to this.
10369         (thumb_expand_epilogue): Rename...
10370         (thumb1_expand_epilogue): ... to this.
10371         (arm_unwind_emit_stm): Rename...
10372         (arm_unwind_emit_sequence): ... to this.
10373         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
10374         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
10375         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
10376         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
10377         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
10378         thumb2_output_casesi): New functions.
10379         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
10380         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
10381         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
10382         THUMB2_WORK_REGS): Define.
10383         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
10384         arm_condexec_mask, arm_condexec_masklen)): New variables.
10385         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
10386         (arm_override_options): Check new CPU capabilities.
10387         Set new architecture flag variables.
10388         (arm_isr_value): Handle v7m interrupt functions.
10389         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
10390         Thumb-2.
10391         (const_ok_for_arm): Handle Thumb-2 constants.
10392         (arm_gen_constant): Ditto.  Use movw when available.
10393         (arm_function_ok_for_sibcall): Return false for v7m interrupt
10394         functions.
10395         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
10396         (thumb_find_work_register, arm_load_pic_register,
10397         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
10398         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
10399         print_multi_reg, output_mov_long_double_fpa_from_arm,
10400         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
10401         output_mov_double_fpa_from_arm, output_move_double,
10402         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
10403         output_return_instruction, arm_output_function_prologue,
10404         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
10405         arm_output_mi_thunk, thumb_set_return_address): Ditto.
10406         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
10407         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
10408         (arithmetic_instr, shift_op): Use arm_shift_nmem.
10409         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
10410         '!' and 'L'.
10411         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
10412         (thumb_expand_prologue): Use thumb_set_frame_pointer.
10413         (arm_file_start): Output directive for unified syntax.
10414         (arm_unwind_emit_set): Handle stack alignment instruction.
10415         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
10416         Add v6t2, v7, v7a, v7r and v7m.
10417         (RETLDM): Add Thumb-2 code.
10418         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
10419         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
10420         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
10421         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
10422         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
10423         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
10424         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
10425         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
10426         ADJUST_INSN_LENGTH): Define.
10427         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
10428         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
10429         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
10430         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
10431         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
10432         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
10433         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
10434         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
10435         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
10436         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
10437         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
10438         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
10439         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
10440         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
10441         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
10442         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
10443         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
10444         cortex-m3.
10445         * config/arm/arm-tune.md: Regenerate.
10446         * config/arm/arm-protos.h: Update prototypes.
10447         * config/arm/vfp.md: Enable patterns for Thumb-2.
10448         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
10449         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
10450         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
10451         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
10452         * config/arm/libunwind.S: Add Thumb-2 code.
10453         * config/arm/constraints.md: Update include Thumb-2.
10454         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
10455         * config/arm/ieee754-df.S: Ditto.
10456         * config/arm/bpabi.S: Ditto.
10457         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
10458         * config/arm/predicates.md (low_register_operand,
10459         low_reg_or_int_operand, thumb_16bit_operator): New.
10460         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
10461         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
10462         * config/arm/t-arm-elf: Add armv7 multilib.
10463         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
10464         Include thumb2.md.
10465         (UNSPEC_STACK_ALIGN, ce_count): New.
10466         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
10467         arm_zero_extendsidi2, arm_zero_extendqidi2): New
10468         insns/expanders.
10469         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
10470         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
10471         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
10472         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
10473         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
10474         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
10475         insns.
10476         * doc/extend.texi: Document ARMv7-M interrupt functions.
10477         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
10478
10479 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
10480
10481         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
10482         (struct _Unwind_Context): Rename args_size to flags, remove
10483         signal_frame field, add a new args_size field and version field.
10484         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
10485         _Unwind_IsExtendedContext): New inline functions.
10486         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10487         Assume by_value array is only present if _Unwind_IsExtendedContext.
10488         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
10489         _Unwind_IsSignalFrame.
10490         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
10491         (uw_update_context_1): Use _Unwind_SetSignalFrame.
10492         (uw_init_context_1): Initialize context->flags to
10493         EXTENDED_CONTEXT_BIT.
10494         * config/rs6000/linux-unwind.h (frob_update_context): Use
10495         _Unwind_SetSignalFrame.
10496
10497 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10498
10499         PR middle-end/30353
10500         * gimplify.c (gimplify_modify_expr_complex_part): Move below
10501         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
10502         the value.
10503
10504 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
10505
10506         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
10507         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
10508         RET, AT_SP): Remove.
10509         * config/i386/i386.md (*sse_prologue_save_insn): Use return
10510         instead of RET.
10511
10512         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10513         * cfgbuild.c (find_basic_blocks): Likewise.
10514         * cfgrtl.c (rtl_create_basic_block): Likewise.
10515         * function.c (temp_slots_at_level): Likewise.
10516         * reg-stack.c (stack_regs_mentioned): Likewise.
10517         * regclass.c (allocate_reg_info): Likewise.
10518         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10519         set_bb_for_stmt, move_block_to_fn): Likewise.
10520         * tree-complex.c (tree_lower_complex): Likewise.
10521         * vec.h (VEC_safe_grow_cleared): New.
10522
10523         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
10524
10525 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
10526
10527         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
10528         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
10529         to loop_version.
10530         * cfgloopmanip.c (scale_loop_frequencies): Export.
10531         (loopify): Scale the frequencies by prescribed coefficients.
10532         (set_zero_probability): New function.
10533         (duplicate_loop_to_header_edge): Improve updating of frequencies.
10534         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
10535         and frequencies according to arguments.
10536         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
10537         correctly.
10538         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
10539         * modulo-sched.c (sms_schedule): Set probabilities for entering
10540         versioned loop correctly.
10541         * tree-vect-transform.c (vect_transform_loop): Ditto.
10542         * cfgloop.h (loopify, loop_version): Declaration changed.
10543         (scale_loop_frequencies): Declared.
10544
10545 2007-01-02  Jan Hubicka  <jh@suse.cz>
10546
10547         * cgraph.c: Include tree-flow.h
10548         (cgraph_add_new-function): Handle IPA_SSA mode; execute
10549         early_local_passes.
10550         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
10551         * tree-pass.h (pass_all_early_optimizations): Declare.
10552         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
10553         early_local_passes.
10554         (cgraph_analyze_function): Do early_local_passes.
10555         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
10556         Do not add referenced vars.
10557         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
10558         SSA form.
10559         (gate_all_early_local_passes): New gate.
10560         (pass_early_local_passes): Use new gate.
10561         (execute_early_local_optimizations): New functions.
10562         (gate_all_early_optimizations): New gate.
10563         (pass_all_early_optimizations): New pass.
10564         (execute_free_datastructures): Free SSA only when initialized.
10565         (gate_init_datastructures): Init only when optimizing.
10566         (tree_lowering_passes): Do early local passes when called late.
10567         * tree-profile.c (do_tree_profiling): Don't profile functions added
10568         late.
10569         (do_early_tree_profiling, pass_early_tree_profile): Kill.
10570         * tree-cfg.c (update_modified_stmts): Do not update when operands are
10571         not active.
10572         * passes.c (init_optimizations_passes): Reorder so we go into SSA
10573         during early_local_passes.
10574         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
10575
10576
10577 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
10578
10579         * Makefile.in: Update copyright year.
10580
10581 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
10582
10583         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
10584         in $(lang_checks) and check-consistency targets.
10585
10586 2007-01-02  Jan Hubicka  <jh@suse.cz>
10587
10588         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
10589         Do not add referenced vars.
10590         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
10591         are not active.
10592         * passes.c (init_optimization_passes): Put mudflap_2 after
10593         free_datastructures.
10594
10595 2007-01-02  Jan Hubicka  <jh@suse.cz>
10596
10597         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
10598         Set NOTHROW flag on call statements proved to be nothrow.
10599         Update statement of local calls so new pure/const functions are
10600         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
10601         goto receivers.
10602         (tree_rest_of_compilation): Register hooks and initialize bitmap
10603         early. Do not set after_inlining flag.
10604
10605 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
10606
10607         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
10608         HOST_BITS_PER_LONGLONG
10609
10610 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10611
10612         PR c/19977
10613         * c-typeck.c (store_init_value): Don't emit pedantic overflow
10614         warning for non-static initializers.
10615
10616 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
10617
10618         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
10619         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
10620         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
10621         Always use set_unique_reg_note to add REG_EQUAL notes.
10622
10623 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10624
10625         Revert:
10626         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10627
10628         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10629         * cfgbuild.c (find_basic_blocks): Likewise.
10630         * cfgrtl.c (rtl_create_basic_block): Likewise.
10631         * function.c (temp_slots_at_level): Likewise.
10632         * reg-stack.c (stack_regs_mentioned): Likewise.
10633         * regclass.c (allocate_reg_info): Likewise.
10634         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10635         set_bb_for_stmt, move_block_to_fn): Likewise.
10636         * tree-complex.c (tree_lower_complex): Likewise.
10637         * vec.h (VEC_safe_grow_cleared): New.
10638
10639 2007-01-02  Ian Lance Taylor  <iant@google.com>
10640
10641         * c-common.c (c_common_truthvalue_conversion): When warning about
10642         using an assignment as a truth value, set TREE_NO_WARNING.
10643
10644 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10645
10646         PR middle-end/7651
10647         * c.opt (Wold-style-declaration): New.
10648         * doc/invoke.texi (C-only Warning Options): New.
10649         (Wold-style-declaration): Document it.
10650         (Wextra): Enabled by -Wextra.
10651         * c-opts.c (c_common_post_options): Enabled by -Wextra.
10652         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
10653         -Wold-style-declaration.
10654
10655 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10656
10657         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10658         * cfgbuild.c (find_basic_blocks): Likewise.
10659         * cfgrtl.c (rtl_create_basic_block): Likewise.
10660         * function.c (temp_slots_at_level): Likewise.
10661         * reg-stack.c (stack_regs_mentioned): Likewise.
10662         * regclass.c (allocate_reg_info): Likewise.
10663         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10664         set_bb_for_stmt, move_block_to_fn): Likewise.
10665         * tree-complex.c (tree_lower_complex): Likewise.
10666         * vec.h (VEC_safe_grow_cleared): New.
10667
10668 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
10669
10670         * c-common.c (c_common_nodes_and_builtins): Since variants of
10671         void_type_node get built before it is given a name, we need to
10672         give those variants the name, too.
10673         (complete_array_type): We need to work with the canonical main
10674         type of the array, from which we will build the qualified version.
10675         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
10676         * print-tree.c (print_node): Display canonical type information
10677         for each type.
10678         * stor-layout.c (layout_type): When we don't know the
10679         alignment of a type for which we're building an array, we end up
10680         guessing wrong, so make the type require structural equality.
10681         * tree.c (make_node_stat): When we build a new type, it is its
10682         own canonical type.
10683         (build_type_attribute_qual_variant): When building an attribute
10684         variant, its canonical type is the non-attribute variant. However,
10685         if the attributes are target-dependent and they differ, we need to
10686         use structural equality checks for this type.
10687         (build_qualified_type): A qualified type is not equivalent to its
10688         unqualified variant; set the canonical type appropriately.
10689         (build_distinct_type_copy): When building a distinct type from
10690         another type, the new type is its own canonical type.
10691         (build_variant_type_copy): When building a new type variant, we
10692         assume that it is equivalent to the original type.
10693         (build_pointer_type_for_mode): When building a pointer type, also
10694         build a canonical type pointer.
10695         (build_reference_type_for_mode): When building a reference type,
10696         also build a canonical type reference.
10697         (build_index_type): When we can't hash an index type (e.g.,
10698         because its maximum value is negative), the index type requires
10699         structural equality tests.
10700         (build_array_type): Build the canonical form of an array type.
10701         (build_function_type): Function types require structural equality,
10702         because they contain default arguments, attributes, etc.
10703         (build_method_type_directly): Ditto for method types.
10704         (build_offset_type): Build the canonical offset type.
10705         (build_complex_type): Build the canonical vector type.
10706         (make_vector_type): Build the canonical vector type.
10707         * tree.h (TYPE_CANONICAL): New.
10708         (TYPE_STRUCTURAL_EQUALITY_P): New.
10709         (SET_TYPE_STRUCTURAL_EQUALITY): New.
10710         (struct tree_type): Added "canonical" field.
10711         * params.h (VERIFY_CANONICAL_TYPES): New.
10712         * doc/c-tree.texi (TYPE_CANONICAL): Document.
10713         (TYPE_STRUCTURAL_EQUALITY_P): Document.
10714         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
10715         * doc/invoke.texi (verify-canonical-types): Document --param
10716         parameter for verifying canonical types.
10717
10718 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10719
10720         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
10721         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
10722         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
10723         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
10724         tm_file.
10725         * config/rs6000/e500.h: New.
10726         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
10727         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
10728         Remove.
10729         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
10730         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
10731         TARGET_E500_DOUBLE): Remove.
10732         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
10733         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
10734         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
10735         * config/rs6000/rs6000.c (rs6000_override_options): Use
10736         CHECK_E500_OPTIONS.
10737
10738 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10739
10740         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
10741         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
10742         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
10743         rs6000_emit_cmove): Don't check TARGET_E500.
10744         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
10745         sordered): Don't check TARGET_E500.
10746
10747 2007-01-01  Eric Christopher  <echristo@apple.com>
10748
10749         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
10750         HARD_REGISTER_NUM_P.
10751
10752 2007-01-01  Roger Sayle  <roger@eyesopen.com>
10753
10754         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
10755         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
10756         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
10757         eq/ne Y".
10758
10759 2007-01-01  Mike Stump  <mrs@apple.com>
10760
10761         * configure.ac: Remove support for building with Apple's gcc-3.1.
10762
10763 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10764
10765         PR middle-end/30311
10766         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
10767         REG is a hard register.  Do not modify REG before calling
10768         subreg_nregs.
10769         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
10770         multiple of the size of YMODE for certain lowpart cases.
10771
10772 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10773
10774         PR middle-end/30253
10775         * gimplify (voidify_wrapper_expr): Update for
10776         GIMPLE_MODIFY_STMT.
10777
10778 2007-01-01  Andreas Schwab  <schwab@suse.de>
10779
10780         PR target/29166
10781         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
10782         save of BR0 in extra_spill_size instead of spill_size.
10783         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
10784         area.
10785         (ia64_expand_epilogue): Restore BR0 from its new location.
10786
10787 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10788
10789         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
10790         Use a temporary variable if the left hand side is not a gimple
10791         register.
10792
10793 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10794
10795         * gimplify.c (gimplify_return_expr): Make the temporary variable
10796         for the return expression, a gimple register variable.
10797
10798 2007-01-01  Jan Hubicka  <jh@suse.cz>
10799
10800         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
10801         INSN_LIST.
10802
10803 2007-01-01  Mike Stump  <mrs@apple.com>
10804
10805         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
10806         .literal16.
10807         * config/darwin.c (machopic_select_rtx_section): Use
10808         HAVE_GAS_LITERAL16.
10809         (darwin_mergeable_constant_section): Likewise.
10810         * configure: Regenerate.
10811         * config.in: Regenerate.
10812
10813 2007-01-01  Jan Hubicka  <jh@suse.cz>
10814             Andrew Pinski  <pinskia@gmail.com>
10815
10816         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
10817         before starting IPA passes.