OSDN Git Service

* expr.c (expand_expr_real_1) <case CALL_EXPR>: Use get_callee_fndecl
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-09-23  Jakub Jelinek  <jakub@redhat.com>
2
3         * expr.c (expand_expr_real_1) <case CALL_EXPR>: Use get_callee_fndecl
4         instead of checking CALL_EXPR_FN directly to test for builtins.
5         If error or warning attributes are present, print
6         error resp. warning.
7         * c-common.c (handle_error_attribute): New function.
8         (c_common_attribute_table): Add error and warning
9         attributes.
10         * doc/extend.texi: Document error and warning attributes.
11
12         * tree.h (block_nonartificial_location): New prototype.
13         * tree.c (block_nonartificial_location): New function.
14         * dwarf2out.c (gen_subprogram_die): Add DW_AT_artificial
15         if artificial attribute is present on abstract inline decl.
16         * c-common.c (handle_artificial_attribute): New function.
17         (c_common_attribute_table): Add artificial attribute.
18         * final.c (override_filename, override_linenum): New variables.
19         (final_scan_insn): For DBX_DEBUG or SDB_DEBUG, set override_filename
20         and override_linenum if inside of a block inlined from
21         __attribute__((__artificial__)) function.
22         (notice_source_line): Honor override_filename and override_linenum.
23         * doc/extend.texi: Document __attribute__((__artificial__)).
24         * config/i386/emmintrin.h: Add __artificial__ attribute to
25         all __always_inline__ functions.
26         * config/i386/mmintrin.h: Likewise.
27         * config/i386/tmmintrin.h: Likewise.
28         * config/i386/mm3dnow.h: Likewise.
29         * config/i386/pmmintrin.h: Likewise.
30         * config/i386/ammintrin.h: Likewise.
31         * config/i386/xmmintrin.h: Likewise.
32         * config/i386/smmintrin.h: Likewise.
33         * config/i386/bmmintrin.h: Likewise.
34         * config/i386/mmintrin-common.h: Likewise.
35
36         PR middle-end/28755
37         * expr.c (expand_constructor): New function.
38         (expand_expr_real_1) <case CONSTRUCTOR>: Call it.
39         (expand_expr_real_1) <case ARRAY_REF>: Call it if VALUE is
40         CONSTRUCTOR.
41
42 2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>
43
44         * config/mips/mips.c (dump_constants_1): Generalize to include
45         fractional and accumulator modes.
46
47 2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>
48
49         * config/mips/mips.h (ISA_HAS_DSP, ISA_HAS_DSPR2): New macros.
50         * config/mips/mips.c (mips_set_mips16_mode): Don't clear the DSP
51         flags for MIPS16.
52         (override_options): Check TARGET_HARD_FLOAT_ABI instead of
53         TARGET_HARD_FLOAT when testing whether -mpaired-single is
54         supported.
55         (mips_conditional_register_usage): Check ISA_HAS_DSP instead of
56         TARGET_DSP.
57         * config/mips/constraints.md (ka): Check ISA_HAS_DSPR2 instead of
58         TARGET_DSPR2.
59         * config/mips/mips.md (ANYF): Require TARGET_HARD_FLOAT for V2SF.
60         (mulv2sf3, movv2sf, movv2sf_hardfloat_64bit): Require
61         TARGET_HARD_FLOAT.
62         (<u>mulsidi3_32bit_internal, <u>msubsidi4, <u>maddsidi4): Check
63         ISA_HAS_DSPR2 instead of TARGET_HAS_DSPR2.
64         * config/mips/mips-dsp.md: Use ISA_HAS_DSP instead of TARGET_HAS_DSP
65         throughout.
66         * config/mips/mips-dspr2.md: Likewise ISA_HAS_DSPR2 and
67         TARGET_HAS_DSPR2.
68         * config/mips/mips-fixed.md: Use ISA_HAS_DSP and ISA_HAS_DSPR2
69         instead of TARGET_HAS_DSP and TARGET_HAS_DSPR2.
70         * config/mips/mips-ps-3d.md: Add TARGET_HARD_FLOAT to V2SF patterns.
71
72 2007-09-22  Jason Merrill  <jason@redhat.com>
73
74         PR c++/19407
75         * attribs.c (lookup_attribute_spec): Split out...
76         (decl_attributes): From here.
77         * tree.h: Declare it.
78
79 2007-09-22  Richard Sandiford  <rsandifo@nildram.co.uk>
80
81         * doc/sourcebuild.texi: Document dg-add-options mips16_attribute.
82
83 2007-09-22  Eric Botcazou  <ebotcazou@adacore.com>
84
85         * tree-inline.c (remap_type_1): Correctly chain variants.
86
87 2007-09-22  Richard Guenther  <rguenther@suse.de>
88
89         PR tree-optimization/33146
90         * fold-const.c (fold_binary): Use the original tree
91         for negating.
92         * tree.h (STRIP_SIGN_NOPS): Converting from or to pointer
93         also changes "sign".
94
95 2007-09-22  Eric Botcazou  <ebotcazou@adacore.com>
96
97         PR target/32325
98         * except.c (finish_eh_generation): Call commit_edge_insertions if
99         there are insns queued on the entry edge.
100         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns on
101         the entry edge.
102
103 2007-09-22  Richard Sandiford  <rsandifo@nildram.co.uk>
104
105         * doc/sourcebuild.texi (dg-add-c99-runtime-options): Document.
106
107 2007-09-19  Michael Meissner  <michael.meissner@amd.com>
108
109         * gcc/config/i386/i386.c: Delete trailing whitespace.
110         * gcc/config/i386/i386.h: Ditto.
111         * gcc/config/i386/bmmintrin.h: Ditto.
112         * gcc/config/i386/sync.md: Ditto.
113         * gcc/config/i386/ppro.md: Ditto.
114         * gcc/config/i386/mmx.md: Ditto.
115         * gcc/config/i386/constraints.md: Ditto.
116         * gcc/config/i386/sse.md: Ditto.
117         * gcc/config/i386/athlon.md: Ditto.
118         * gcc/config/i386/i386.md: Ditto.
119
120 2007-09-21  Richard Guenther  <rguenther@suse.de>
121
122         PR tree-optimization/33508
123         * tree-ssa-alias.c (mark_aliases_call_clobbered): Avoid
124         quadratic loop by keeping a bitmap of variables we have
125         to clobber all subvariables for.
126         (set_initial_properties): Likewise.
127
128 2007-09-21  Richard Sandiford  <rsandifo@nildram.co.uk>
129
130         * config/mips/t-sde (TARGET_LIBGCC2_CFLAGS): Delete.
131
132 2007-09-20  Nigel Stephens  <nigel@mips.com>
133             Chao-ying Fu  <fu@mips.com>
134
135         * c-decl.c (finish_declspecs): When _Sat is used without
136         _Fract or _Accum, set the default type to cts_fract.
137         This avoids a warning of "type defaults to int".
138
139 2007-09-20  Joseph Myers  <joseph@codesourcery.com>
140
141         * c-decl.c (check_bitfield_type_and_width): Don't allow _Bool
142         bit-fields wider than one bit.
143
144 2007-09-20  Jakub Jelinek  <jakub@redhat.com>
145
146         PR debug/33316
147         * dwarf2out.c (modified_type_die): Handle TYPE_DECL with NULL
148         DECL_NAME.
149         * dbxout.c (dbxout_type): Likewise.
150
151         PR c/33238
152         PR c/27301
153         * gimplify.c (gimplify_vla_decl): New function.
154         (gimplify_decl_expr): Move VLA decl handling to gimplify_vla_decl.
155         Call it.
156         (gimplify_target_expr): Handle variable length TARGET_EXPRs.
157
158 2007-09-20  Richard Sandiford  <rsandifo@nildram.co.uk>
159
160         * doc/invoke.texi (-minterlink-mips16): Document.
161         * config/mips/mips.opt (minterlink-mips16): New option.
162         * config/mips/mips.c (mips_function_ok_for_sibcall): Handle
163         -minterlink-mips16
164
165 2007-09-20  Joseph Myers  <joseph@codesourcery.com>
166
167         * doc/extend.texi (Attribute Syntax): Remove old speculative
168         future direction.
169
170 2007-09-20  Mark Shinwell  <shinwell@codesourcery.com>
171
172         * combine.c: Include cgraph.h.
173         (setup_incoming_promotions): Rework to allow more aggressive
174         elimination of sign extensions when all call sites of the
175         current function are known to lie within the current unit.
176
177 2007-09-20  Richard Sandiford  <rsandifo@nildram.co.uk>
178
179         * dse.c (find_shift_sequence): No-op rework of control flow.
180
181 2007-09-19  Richard Sandiford  <rsandifo@nildram.co.uk>
182
183         * config/mips/mips.c (build_mips16_call_stub): Tidy.  Fix second
184         GPR for DCmode on 64-bit targets.  Remove redundant fallback.
185
186 2007-09-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
187
188         * cfgexpand.c (dump_stack_var_partition): Use the correct
189         index for the offset.
190
191 2007-09-19  Joseph Myers  <joseph@codesourcery.com>
192
193         * config/mips/sde.h: Switch to GPLv3.
194
195 2007-09-19  Eric Botcazou  <ebotcazou@adacore.com>
196
197         * tree-sra.c (decide_block_copy): Decide if there are groups.
198
199 2007-09-19  Roman Zippel <zippel@linux-m68k.org>
200
201         * config/m68k/m68k.c (output_move_himode): Remove jump table
202         recognition.
203         config/m68k/m68k.md (lea): Likewise.
204         * config/m68k/m68k.c (print_operand_address): Use simple pc
205         relative addressing.
206
207 2007-09-19  Bernd Schmidt  <bernd.schmidt@analog.com>
208
209         * doc/tm.texi (IS_ASM_LOGICAL_LINE_SEPARATOR): Document new argument.
210         * final.c (IS_ASM_LOGICAL_LINE_SEPARATOR): Provide two-argument default
211         definition.
212         (asm_insn_count): Pass template as second argument to it.
213         * config/avr/avr.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
214         * config/pa/pa.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
215         * config/stormy16/stormy16.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
216         * config/cris/cris.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
217         * config/sh/sh.c (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
218         (sh_insn_length_adjustment): Pass template as second argument to it.
219         * config/bfin/bfin.h (IS_ASM_LOGICAL_LINE_SEPARATOR): New macro.
220
221         * config/bfin/bfin.md (define_asm_attributes): New.
222
223 2007-09-19  Jie Zhang  <jie.zhang@analog.com>
224
225         * config.gcc (bfin*-linux-uclibc*): Add ./linux-sysroot-suffix.h
226         to tm_file.
227         * config/bfin/print-sysroot-suffix.sh: New.
228         * config/bfin/t-bfin-elf (EXTRA_PARTS): Remove.
229         (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES,
230         MULTILIB_EXCEPTIONS): Redefine with new multilibs.
231         * config/bfin/t-bfin-uclinux (EXTRA_PARTS): Remove.
232         (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES,
233         MULTILIB_EXCEPTIONS): Redefine with new multilibs.
234         * config/bfin/t-bfin-linux (EXTRA_PARTS): Remove.
235         (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES,
236         MULTILIB_EXCEPTIONS): Redefine with new multilibs.
237         (linux-sysroot-suffix.h): New target.
238         * config/bfin/bfin.opt (mcsync-anomaly): Use Var instead of Mask.
239         (mspecld-anomaly): Likewise.
240         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Renamed from
241         (enum bfin_cpu): ... this. Add BFIN_CPU_BF522, BFIN_CPU_BF525,
242         BFIN_CPU_BF527, BFIN_CPU_BF538, BFIN_CPU_BF539, BFIN_CPU_BF542,
243         BFIN_CPU_BF544, BFIN_CPU_BF548, and BFIN_CPU_BF549.
244         (bfin_si_revision): Declare.
245         (bfin_workarounds): Declare.
246         (WA_SPECULATIVE_LOADS): Define.
247         (ENABLE_WA_SPECULATIVE_LOADS): Define.
248         (WA_SPECULATIVE_SYNCS): Define.
249         (ENABLE_WA_SPECULATIVE_SYNCS): Define.
250         * config/bfin/elf.h (STARTFILE_SPEC): Rename crt532.o to basiccrt.o.
251         (LIB_SPEC): Add %s to the linker scripts.
252         Use proper linker script for bf522, bf525, bf527,
253         bf538, bf539, bf542, bf544, bf548, and bf549.
254         * config/bfin/bfin.c (bfin_si_revision): Define.
255         (bfin_workarounds): Define.
256         (struct bfin_cpu): New.
257         (bfin_cpus): New.
258         (bfin_handle_option): Handle silicon revision part of -mcpu option.
259         (override_options): Set bfin_workarounds.
260         (length_for_loop): Replace TARGET_CSYNC_ANOMALY with
261         ENABLE_WA_SPECULATIVE_SYNCS, TARGET_SPECLD_ANOMALY with
262         ENABLE_WA_SPECULATIVE_LOADS.
263         (bfin_reorg): Likewise.
264         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
265         macros for bf522, bf525, bf527, bf538, bf539,
266         bf542, bf544, bf548, and bf549.
267         Define __SILICON_REVISION__ and __WORKAROUND_* macros if needed.
268         Don't define __ID_SHARED_LIB__ when -msep-data.
269         (TARGET_DEFAULT): Define as 0.
270         (DRIVER_SELF_SPECS): Add -mcpu=bf532 if no -mcpu option.
271         * doc/invoke.texi (Blackfin Options): Document silicon
272         revision part of -mcpu option and it now accepts bf522, bf525,
273         bf527, bf538, bf539, bf542, bf544, bf548, and bf549.
274
275 2007-09-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
276
277         * alias.c (memory_modified_1): Deconstify.
278         (memory_modified_in_insn_p): Don't use const_note_stores.
279         * rtl.h (const_note_stores): Delete.
280         * rtlanal.c (const_note_stores): Likewise.
281
282 2007-09-18  Richard Sandiford  <rsandifo@nildram.co.uk>
283
284         * dse.c (find_shift_sequence): Temporarily revert to forbidding
285         word shifts.
286
287 2007-09-18  Rask Ingemann Lambertsen  <rask@sygehus.dk>
288
289         PR target/33388
290         PR target/33397
291         * config/fr30/fr30.md (addsi3): Check REG_P() before calling REGNO().
292         (addsi_small_int): Likewise.
293         (addsi_big_int): Use rtx_equal_p() instead of REGNO() comparison.
294         (one_cmplsi2): Likewise.
295         (negsi2): Delete.
296         (enter_func): Expand insn using hard_frame_pointer_rtx and
297         stack_pointer_rtx.
298         (*enter_func): New.
299         * config/fr30/fr30.c (fr30_expand_prologue): Check for
300         hard_frame_pointer_rtx instead of using REGNO() check.
301         Properly sign extend GEN_INT() argument.
302
303 2007-09-18  Roman Zippel <zippel@linux-m68k.org>
304
305         * config/m68k/m68k.c (override_options): Remove USE_GAS,
306         use %. syntax.
307         (output_dbcc_and_branch, output_scc_di): Replace all jbcc
308         alternatives with just jcc.
309         * config/m68k/m68k.md (addsi_lshrsi_31, beq0_di, bne0_di,
310         bge0_di, blt0_di, bgtu, bltu, bgeu, bleu, bgtu_rev,
311         bltu_rev, bgeu_rev, bleu_rev, jump, dbne_hi, dbne_si,
312         dbge_hi, dbge_si): Likewise.
313
314 2007-09-18  Roman Zippel <zippel@linux-m68k.org>
315
316         * config/m68k/m68k.md (beq, bne, bgt, blt, bge, ble, bordered,
317         bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt, beq_rev,
318         bne_rev, bgt_rev, blt_rev, bge_rev, ble_rev, bordered_rev,
319         bunordered_rev, buneq_rev, bunge_rev, bungt_rev, bunle_rev,
320         bunlt_rev, bltgt_rev): Replace all fbcc with fjcc.
321
322 2007-09-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
323
324         * config/m68k/m68k-devices.def (51qe): New device.
325         * config/m68k/m68k.c (FL_FOR_isa_c): Remove division unit.  Add it
326         to all uses of FL_FOR_isa_c for compatibility.
327         (all_microarchs): Add cfv1 microarchitecture.
328         (m68k_handle_option): Handle m51qe option.
329         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Handle 51QE.
330         (TUNE_CFV1): New macro.
331         (enum uarch_type): Add ucfv1.
332         * doc/invoke.texi: Document 51qe device and cfv1 microarchitecture.
333         
334 2007-09-18  Richard Guenther  <rguenther@suse.de>
335
336         PR tree-optimization/31863
337         * tree-ssa-structalias.c (create_variable_info_for): Always
338         free the fieldstack.
339
340 2007-09-18  Dorit Nuzman  <dorit@il.ibm.com>
341
342         * opts.c (decode_options): Enable vectorization under -O3.
343
344 2007-09-18  Richard Guenther  <rguenther@suse.de>
345
346         PR tree-optimization/33340
347         * tree-ssa-sccvn.c (set_ssa_val_to): Do not set values to
348         SSA_NAMEs that occur in abnormal PHI nodes.
349
350 2007-09-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
351
352         * tree-cfg.c (is_ctrl_altering_stmt, tree_block_ends_with_call_p):
353         Don't use const_get_call_expr_in.
354         * tree-gimple.c (const_get_call_expr_in): Delete.
355         * tree-gimple.h (const_get_call_expr_in): Likewise.
356
357 2007-09-18  Richard Sandiford  <rsandifo@nildram.co.uk>
358
359         * df-scan.c (df_notes_rescan): Do nothing if the instruction does
360         not yet have a basic block.
361         * dse.c (find_shift_sequence): Don't set DF_NO_INSN_RESCAN.
362
363 2007-09-18  Richard Sandiford  <rsandifo@nildram.co.uk>
364
365         * config/mips/mips.c (mips_file_start): Add ".previous" directives
366         to both ".section"s.
367
368 2007-09-17  Richard Sandiford  <rsandifo@nildram.co.uk>
369
370         * config/mips/mips.c (mips_output_mi_thunk): Use
371         mips_function_ok_for_sibcall and const_call_insn_operand
372         to determine if a direct sibcall is allowed.  Use
373         mips_classify_symbol to determine a global pointer is needed.
374
375 2007-09-17  Richard Sandiford  <rsandifo@nildram.co.uk>
376
377         * config/mips/mips.md (*clear_upper32): Use "W" as the memory operand.
378
379 2007-09-17  Chao-ying Fu  <fu@mips.com>
380             Nigel Stephens  <nigel@mips.com>
381
382         * config/fixed-bit.h: New file.
383         * config/fixed-bit.c: New file.
384         * doc/libgcc.texi (Fixed-point fractional library routines): New node.
385
386 2007-09-18  Jakub Jelinek  <jakub@redhat.com>
387
388         * c-format.h (format_kind_info): Add alloc_char field.
389         * c-format.c (scanf_flag_specs): Add 'm'.
390         (scanf_flag_pairs): Add 'a', 'm' pair.
391         (scan_char_table): Allow 'm' modifier for c, s, [, C and S.
392         (format_types_orig): Add alloc_char fields.
393         (check_format_info_main): Rename aflag to alloc_flag.
394         Handle fki->alloc_char. modifier after width and before length
395         modifiers.  Move FMT_FLAG_SCANF_A_KLUDGE handling before
396         length modifiers as well.
397         * config/sol2-c.c (solaris_format_types): Add alloc_char field.
398
399         PR middle-end/33423
400         * builtins.c (expand_builtin_memory_chk): Handle COMPOUND_EXPRs
401         returned by build_call_expr.
402
403 2007-09-17  Eric Botcazou  <ebotcazou@adacore.com>
404
405         * tree-sra.c (maybe_lookup_element_for_expr) <COMPONENT_REF>: Return
406         NULL for variable-sized records too.
407         (sra_walk_expr) <COMPONENT_REF>: Stop at variable-sized records too.
408
409 2007-09-17  Tom Tromey  <tromey@redhat.com>
410
411         * c-decl.c (pushdecl): Don't set DECL_LANG_SPECIFIC.
412         (c_builtin_function): Likewise.
413         (grokdeclarator): Likewise.
414
415 2007-09-17  Zdenek Dvorak  <ook@ucw.cz>
416
417         PR rtl-optimization/26449
418         * loop-invariant.c (move_invariant_reg): Do not use force_operand.
419         (seq_insns_valid_p): Removed.
420
421 2007-09-17  Eric Botcazou  <ebotcazou@adacore.com>
422
423         * tree-nomudflap.c (gate_mudflap): New static function.
424         (pass_mudflap_1): Use it as gate function.
425         (pass_mudflap_2): Likewise.
426
427 2007-09-17  Jan Hubicka  <jh@suse.cz>
428
429         PR middle-end/33348
430         PR target/33406
431         * loop-invariant.c (move_invariant_reg): Unshare sequence.
432
433 2007-09-17  Victor Kaplansky  <victork@il.ibm.com>
434
435         PR tree-optimization/33319
436         * tree-vect-analyze.c (vect_same_range_drs): New.
437         (vect_vfa_range_equal): New.
438         (vect_is_duplicate_ddr): Removed.
439         (vect_mark_for_runtime_alias_test): Do not perform marking when
440         optimizing for size or max_param for alias checking is zero.
441         Move the function before vect_analyze_data_ref_dependence.
442         (vect_analyze_data_ref_dependence): Add call to
443         vect_mark_for_runtime_alias_test in two cases when dependence
444         is not clear.
445         (vect_analyze_data_ref_dependences): Do not call to
446         vect_mark_for_runtime_alias_test.
447         (vect_prune_runtime_alias_test_list): New.
448         (vect_analyze_loop): Add call to vect_prune_runtime_alias_test_list.
449         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
450         Update vec_outside_cost.
451         (vect_vfa_segment_size): More compact code, use TYPE_SIZE_UNIT.
452         (vect_create_cond_for_alias_checks): Build the base address of data
453         reference from DR_GROUP_FIRST_DR.
454         (vect_loop_versioning): New.
455         (vect_transform_loop): Add a call to vect_loop_versioning.
456         Remove factored out code.
457
458 2007-09-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
459
460         PR middle-end/33273
461         * expr.c (store_expr): Call adjust_address to change mode of dest_mem
462         to BLKmode.
463
464 2007-09-16  Richard Sandiford  <rsandifo@nildram.co.uk>
465
466         * dse.c (find_shift_sequence): Allow word as well as subword shifts.
467         Do the tentative shift expansion with the DF_NO_INSN_RESCAN flag set.
468         Fix the call to insn_rtx_cost.  Skip access sizes that require a
469         real truncation of the store register.  Use convert_move instead
470         of gen_lowpart when narrowing the result.
471         (replace_read): Use convert_move instead of gen_lowpart when
472         narrowing the store rhs.
473
474 2007-09-16  Richard Sandiford  <rsandifo@nildram.co.uk>
475
476         * config/mips/mips.md (SHORT): Fix long line.
477         (SUBDI): New mode iterator.  Extend the shift-and-truncate insns
478         to QImode and HImode.
479
480 2007-09-16  Richard Sandiford  <rsandifo@nildram.co.uk>
481
482         * config/mips/mips.h (POINTERS_EXTEND_UNSIGNED): Define.
483
484 2007-09-15  Zdenek Dvorak  <ook@ucw.cz>
485
486         * tree-parloops.c: New file.
487         * tree-ssa-operands.h (free_stmt_operands): Declare.
488         * tree-ssa-loop-manip.c (split_loop_exit_edge): Return the new basic
489         block.
490         * tree-pass.h (pass_parallelize_loops): Declare.
491         * omp-low.c (expand_omp_parallel, expand_omp_for): Update SSA form for
492         virtual operands.
493         (build_omp_regions_1): Allow analysing just a single OMP region and
494         its subregions.
495         ( build_omp_regions_root, omp_expand_local): New functions.
496         (build_omp_regions): Add argument to build_omp_regions_1 call.
497         * builtins.def (DEF_GOMP_BUILTIN): Initialize OMP builtins when
498         autoparallelization is run.
499         * timevar.def (TV_TREE_PARALLELIZE_LOOPS): New.
500         * tree-ssa-loop.c (gate_tree_parallelize_loops, tree_parallelize_loops,
501         pass_parallelize_loops): New.
502         * common.opt (ftree-parallelize-loops): New.
503         * tree-flow.h (omp_expand_local, tree_duplicate_sese_tail,
504         parallelize_loops): Declare.
505         (add_phi_args_after_copy, split_loop_exit_edge): Declaration changed.
506         * Makefile.in (tree-parloops.o): Added.
507         * tree-cfg.c (add_phi_args_after_copy_edge, tree_duplicate_sese_tail):
508         New functions.
509         (add_phi_args_after_copy_bb): Use add_phi_args_after_copy_edge.
510         (add_phi_args_after_copy): Call add_phi_args_after_copy_edge for
511         one extra edge as well.
512         (tree_duplicate_sese_region): Add argument to add_phi_args_after_copy.
513         Use VEC_free to free doms vector.
514         (move_block_to_fn): Update loop info. Remove phi nodes for virtual
515         operands.  Recompute operand caches in the new function.
516         (move_sese_region_to_fn): Update loop info.
517         * passes.c (init_optimization_passes): Add pass_parallelize_loops.
518         * tree-ssa-operands.c (free_stmt_operands): New function.
519
520         * doc/passes.texi: Document autoparallelization.
521         * doc/invoke.texi (-ftree-parallelize-loops): New option.
522
523 2007-09-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
524
525         PR target/33062
526         * pa.c (function_value): Use GET_MODE_BITSIZE instead of TYPE_PRECISION.
527
528 2007-09-15  Dorit Nuzman  <dorit@il.ibm.com>
529
530         * tree-vect-transform.c (vect_get_vec_defs_for_stmt_copy): check if 
531         the VEC is not NULL.
532         (vectorizable_type_demotion, vectorizable_type_promotion): Check that 
533         get_vectype_for_scalar_type succeeded.
534         (vectorizable_conversion): Likewise.
535
536 2007-09-14  Jan Hubicka  <jh@suse.cz>
537
538         * config/i386/i386.md (*floatdi<mode>2_i387): Guard against
539         TARGET_64BIT.
540
541 2007-09-14  Uros Bizjak  <ubizjak@gmail.com>
542
543         PR target/33438
544         * config/i386/i386.md (fmodxf3): Copy operands[2] to temporary register
545         when operands[2] equals operands[1].
546         (remainderxf3): Ditto.
547
548 2007-09-14  Sandra Loosemore  <sandra@codesourcery.com>
549             Nigel Stephens  <nigel@mips.com>
550
551         * doc/tm.texi (LIBGCC2_UNWIND_ATTRIBUTE): Document.
552         * unwind-generic.h (LIBGCC2_UNWIND_ATTRIBUTE): Define.
553         (_Unwind_RaiseException): Add LIBGCC2_UNWIND_ATTRIBUTE to
554         declaration.
555         (_Unwind_ForcedUnwind): Likewise.
556         (_Unwind_Resume): Likewise.
557         (_Unwind_Resume_or_Rethrow): Likewise.
558         (_Unwind_Backtrace): Likewise.
559         (_Unwind_SjLj_RaiseException): Likewise.
560         (_Unwind_SjLj_ForcedUnwind): Likewise.
561         (_Unwind_SjLj_Resume): Likewise.
562         (_Unwind_SjLj_Resume_or_Rethrow): Likewise.
563         * unwind.inc (_Unwind_RaiseException): Add LIBGCC2_UNWIND_ATTRIBUTE
564         to definition.
565         (_Unwind_ForcedUnwind): Likewise.
566         (_Unwind_Resume): Likewise.
567         (_Unwind_Resume_or_Rethrow): Likewise.
568         (_Unwind_Backtrace): Likewise.
569         * unwind-compat.c (_Unwind_Backtrace): Likewise.
570         (_Unwind_ForcedUnwind): Likewise.
571         (_Unwind_RaiseException): Likewise.
572         (_Unwind_Resume): Likewise.
573         (_Unwind_Resume_or_Rethrow): Likewise.
574
575         * config/mips/mips.h (LIBGCC2_UNWIND_ATTRIBUTE): Define to force
576         nomips16 mode when IN_LIBGCC2 with hard float.
577
578 2007-09-14  Richard Sandiford  <rsandifo@nildram.co.uk>
579
580         * config/mips/sdemtk.opt: Update to GPLv3.
581         * config/mips/sdemtk.h: Likewise.
582
583 2007-09-14  Nigel Stephens  <nigel@mips.com>
584
585         * config.gcc (mips*-*-linux*): Recognise mipsisa32r2 and set
586         MIPS_ISA_DEFAULT appropriately.  Don't make soft-float the default
587         for mipsisa32-*-linux*.
588
589 2007-09-14  Nigel Stephens  <nigel@mips.com>
590             David Ung  <davidu@mips.com>
591             Thiemo Seufer  <ths@mips.com>
592             Richard Sandiford  <richard@codesourcery.com>
593
594         * config.gcc (mips*-sde-elf*): Add support for the SDE C libraries.
595         * configure.ac: Add a mipssde threading type.
596         * configure: Regenerate.
597         * config/mips/sdemtk.h: New file.
598         * config/mips/t-sdemtk: Likewise.
599         * config/mips/sdemtk.opt: Likewise.
600         * gthr-mipssde.h: Likewise.
601         * config/mips/sde.h (FUNCTION_PROFILER): Move to config/mips/sdemtk.h.
602         * config/mips/mips.h (MIPS_SAVE_REG_FOR_PROFILING_P): New macro.
603         (MIPS_ICACHE_SYNC): New macro, split from ...
604         * config/mips/mips.md (clear_cache): ...here.
605         * config/mips/mips.c (mips_save_reg_p): Check
606         MIPS_SAVE_REG_FOR_PROFILING_P on profiled functions.
607         (build_mips16_function_stub): Use targetm.strip_name_encoding.
608         (build_mips16_call_stub): Likewise.
609
610 2007-09-14  Richard Sandiford  <richard@codesourcery.com>
611
612         * Makefile.in (stmp-int-hdrs): Depend on fixinc_list.
613
614 2007-09-14  Jakub Jelinek  <jakub@redhat.com>
615
616         PR target/32337
617         * config/ia64/ia64.c (find_gr_spill): Don't decrement
618         current_frame_info.n_local_regs.  Don't return emitted local
619         regs.
620         (ia64_compute_frame_size): Improve unwind hack to put
621         RP, PFS, FP in that order by allowing some of the registers
622         been already emitted, as long as they are emitted to the
623         desired register.
624
625 2007-09-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
626
627         * config/spu/vmx2spu.h (vec_extract, vec_insert, vec_lvlx,
628         vec_lvlxl, vec_lvrx, vec_lvrxl, vec_promote, vec_splats,
629         vec_stvlx, vec_stvlxl, vec_stvrx, vec_stvrxl): New intrinsics.
630
631 2007-09-13  Eric Christopher  <echristo@apple.com>
632             Kenneth Zadeck <zadeck@naturalbridge.com>
633
634         * dse.c (find_shift_sequence): New function.
635         (replace_read): Add case to remove read if it requires shift.
636         * config/i386/i386.c (ix86_expand_prologue): Fixed typo in comment.
637         
638 2007-09-13  Tom Tromey  <tromey@redhat.com>
639
640         * c-common.c (fname_as_string): Update.
641         * c-parser.c (c_parser) <lex_untranslated_string>: New field.
642         (c_lex_one_token): Update.  Add 'parser' argument.
643         (c_parser_simple_asm_expr): Update.
644         (c_parser_attributes): Update.
645         (c_parser_asm_statement): Update.
646         (c_parser_asm_operands): Update.
647         (c_parser_peek_token): Update.
648         (c_parser_peek_2nd_token): Update.
649         * c-lex.c (c_lex_string_translate): Remove.
650         (c_lex_return_raw_strings): Likewise.
651         (c_lex_with_flags): Added 'lex_flags' argument.
652         (lex_string): Added 'translate' argument.
653         * c-pragma.h (c_lex_with_flags): Update.
654         (c_lex_string_translate, c_lex_return_raw_strings): Remove.
655         (C_LEX_STRING_NO_TRANSLATE): New define.
656         (C_LEX_RAW_STRINGS): Likewise.
657
658 2007-09-13  Bernd Schmidt  <bernd.schmidt@analog.com>
659
660         From Jie Zhang:
661         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_ONES,
662         BFIN_BUILTIN_CPLX_MUL_16_S40, BFIN_BUILTIN_CPLX_MAC_16_S40,
663         BFIN_BUILTIN_CPLX_MSU_16_S40, and BFIN_BUILTIN_CPLX_SQU.
664         (bfin_init_builtins): Initialize __builtin_bfin_ones,
665         __builtin_bfin_min_fr1x16, __builtin_bfin_max_fr1x16,
666         __builtin_bfin_min_fr1x32, __builtin_bfin_max_fr1x32,
667         __builtin_bfin_cmplx_add, __builtin_bfin_cmplx_sub,
668         __builtin_bfin_cmplx_mul_s40, __builtin_bfin_cmplx_mac_s40,
669         __builtin_bfin_cmplx_msu_s40 and __builtin_bfin_csqu_fr16.
670         (bdesc_1arg): Add __builtin_bfin_ones.
671         (bfin_expand_builtin): Expand __builtin_bfin_cmplx_mul_s40,
672         __builtin_bfin_cmplx_mac_s40, __builtin_bfin_cmplx_msu_s40,
673         and __builtin_bfin_csqu_fr16.
674         * config/bfin/bfin.md (UNSPEC_ONES): New constant.
675         (ones): New define_insn.
676         (ssaddhi3_parts): New define_insn.
677         (sssubhi3_parts): New define_insn.
678         (flag_mulhi_parts): New define_insn.
679
680 2007-09-13  Seongbae Park <seongbae.park@gmail.com>
681
682         * common.opt (femit-class-debug-always): Turn off by default.
683
684 2007-09-13  Bernd Schmidt  <bernd.schmidt@analog.com>
685
686         * config/bfin/bfin.md (reload_outpdi, reload_inpdi): New patterns.
687         * config/bfin/bfin.c (bfin_secondary_reload): Make sure we use them.
688
689 2007-09-13  James E. Wilson  <wilson@specifix.com>
690
691         PR tree-optimization/33389
692         * tree-ssa-operands.c (append_vuse): If ann->in_vdef_list true,
693         then set build_loads before returning.
694
695 2007-09-13  Sandra Loosemore  <sandra@codesourcery.com>
696             David Ung  <davidu@mips.com>
697
698         * config/mips/mips.h (ASM_OUTPUT_REG_PUSH): Replace {d}subu with
699         {d}addiu and a negative immediate such that it works with MIPS16
700         instructions.
701         
702 2007-09-13  H.J. Lu  <hongjiu.lu@intel.com>
703
704         PR bootstrap/33418
705         * configure.ac (ld_vers): Support Linux linker.
706         * configure: Regenerated.
707
708 2007-09-13  Richard Sandiford  <richard@codesourcery.com>
709             Sandra Loosemore <sandra@codesourcery.com>
710
711         * config/mips/mips.h (SYMBOL_FLAG_MIPS16_FUNC): Delete.
712         (SYMBOL_REF_MIPS16_FUNC_P): Delete.
713         * config/mips/mips.c (mips_attribute_table): Turn mips16 and
714         nomips16 into decl attributes.
715         (TARGET_INSERT_ATTRIBUTES): Override.
716         (TARGET_MERGE_DECL_ATTRIBUTES): Likewise.
717         (TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P): Always return true.
718         (mips_mips16_type_p, mips_nomips16_type_p): Delete in favor of...
719         (mips_mips16_decl_p, mips_nomips16_decl_p): ...these new functions.
720         (mips_comp_type_attributes): Remove mips16 and nomips16 handling.
721         (mips_use_mips16_mode_p): Reimplement as a function that takes
722         a decl and considers only decl attributes.  If the decl is nested
723         function, use its parent attributes.
724         (mips_function_ok_for_sibcall): Use mips_use_mips16_mode_p
725         instead of SYMBOL_REF_MIPS16_FUNC_P.
726         (mips_set_mips16_mode): Move call to sorry here from old
727         mips_use_mips16_mode_p.
728         (mflip_mips16_entry): New structure.
729         (mflip_mips16_htab): New variable.
730         (mflip_mips16_htab_hash, mflip_mips16_htab_eq): New functions.
731         (mflip_mips16_use_mips16_p, mips_insert_attributes): Likewise.
732         (mips_merge_decl_attributes): New function.
733         (mips_set_current_function): Reinstate call to mips_set_mips16_mode.
734         Use mips_use_mips16_mode_p.
735         (mips_output_mi_thunk): Use mips_use_mips16_mode_p instead of
736         SYMBOL_REF_MIPS16_FUNC_P.
737         (mips_encode_section_info): Don't set SYMBOL_FLAG_MIPS16_FUNC.
738
739 2007-09-13  Richard Sandiford  <richard@codesourcery.com>
740
741         * c-parser.c (c_parser_struct_declaration): Check for a null return.
742
743 2007-09-13  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
744
745         PR driver/33309
746         * gcc.c (xputenv): Make argument const, and use CONST_CAST.
747
748 2007-09-12  Michael Meissner  <michael.meissner@amd.com>
749             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
750             Tony Linthicum  <tony.linthicum@amd.com>
751
752         * tree.h (function_args_iterator): New type to iterate over
753         function arguments.
754         (FOREACH_FUNCTION_ARGS_PTR): Iterator macros for iterating over
755         function arguments providing a pointer to the argument.
756         (FOREACH_FUNCTION_ARGS): Iterator macros for iterating over
757         function arguments providing the argument.
758         (function_args_iter_init): Inline function to initialize
759         function_args_iterator.
760         (function_args_iter_cond_ptr): Inline function to return the next
761         pointer to hold the argument.
762         (function_args_iter_cond): Inline function to return the next
763         argument.
764         (function_args_iter_cond_next): Advance the function args
765         iterator.
766         (stdarg_p): New function, return true if variable argument
767         function.
768         (prototype_p): New function, return true if function is
769         prototyped.
770         (function_args_count): New function, count the number of arguments
771         of a function.
772
773         * tree.c (stdarg_p): New function, return true if variable
774         argument function.
775         (prototype_p): New function, return true if function is
776         prototyped.
777
778         * config/i386/i386.h (TARGET_SSE5): New macro for SSE5.
779         (TARGET_ROUND): New macro for the round/ptest instructions which
780         are shared between SSE4.1 and SSE5.
781         (OPTION_MASK_ISA_ROUND): Ditto.
782         (OPTION_ISA_ROUND): Ditto.
783         (TARGET_FUSED_MADD): New macro for -mfused-madd swtich.
784         (TARGET_CPU_CPP_BUILTINS): Add SSE5 support.
785
786         * config/i386/i386.opt (-msse5): New switch for SSE5 support.
787         (-mfused-madd): New switch to give users control over whether the
788         compiler optimizes to use the multiply/add SSE5 instructions.
789
790         * config/i386/i386.c (m_AMD_MULTIPLE): Rename from
791         m_ATHLON_K8_AMDFAM10, and change all uses.
792         (enum pta_flags): Add PTA_SSE5.
793         (ix86_handle_option): Turn off 3dnow if -msse5.
794         (override_options): Add SSE5 support.
795         (print_operand): %Y prints comparison codes for SSE5 com/pcom
796         instructions.
797         (ix86_expand_sse_movcc): Add SSE5 support.
798         (ix86_expand_sse5_unpack): New function to use pperm to unpack a
799         vector type to the next largest size.
800         (ix86_expand_sse5_pack): New function to use pperm to pack a
801         vector type to the next smallest size.
802         (IX86_BUILTIN_FMADDSS): New for SSE5 intrinsic.
803         (IX86_BUILTIN_FMADDSD): Ditto.
804         (IX86_BUILTIN_FMADDPS): Ditto.
805         (IX86_BUILTIN_FMADDPD): Ditto.
806         (IX86_BUILTIN_FMSUBSS): Ditto.
807         (IX86_BUILTIN_FMSUBSD): Ditto.
808         (IX86_BUILTIN_FMSUBPS): Ditto.
809         (IX86_BUILTIN_FMSUBPD): Ditto.
810         (IX86_BUILTIN_FNMADDSS): Ditto.
811         (IX86_BUILTIN_FNMADDSD): Ditto.
812         (IX86_BUILTIN_FNMADDPS): Ditto.
813         (IX86_BUILTIN_FNMADDPD): Ditto.
814         (IX86_BUILTIN_FNMSUBSS): Ditto.
815         (IX86_BUILTIN_FNMSUBSD): Ditto.
816         (IX86_BUILTIN_FNMSUBPS): Ditto.
817         (IX86_BUILTIN_FNMSUBPD): Ditto.
818         (IX86_BUILTIN_PCMOV_V2DI): Ditto.
819         (IX86_BUILTIN_PCMOV_V4SI): Ditto.
820         (IX86_BUILTIN_PCMOV_V8HI): Ditto.
821         (IX86_BUILTIN_PCMOV_V16QI): Ditto.
822         (IX86_BUILTIN_PCMOV_V4SF): Ditto.
823         (IX86_BUILTIN_PCMOV_V2DF): Ditto.
824         (IX86_BUILTIN_PPERM): Ditto.
825         (IX86_BUILTIN_PERMPS): Ditto.
826         (IX86_BUILTIN_PERMPD): Ditto.
827         (IX86_BUILTIN_PMACSSWW): Ditto.
828         (IX86_BUILTIN_PMACSWW): Ditto.
829         (IX86_BUILTIN_PMACSSWD): Ditto.
830         (IX86_BUILTIN_PMACSWD): Ditto.
831         (IX86_BUILTIN_PMACSSDD): Ditto.
832         (IX86_BUILTIN_PMACSDD): Ditto.
833         (IX86_BUILTIN_PMACSSDQL): Ditto.
834         (IX86_BUILTIN_PMACSSDQH): Ditto.
835         (IX86_BUILTIN_PMACSDQL): Ditto.
836         (IX86_BUILTIN_PMACSDQH): Ditto.
837         (IX86_BUILTIN_PMADCSSWD): Ditto.
838         (IX86_BUILTIN_PMADCSWD): Ditto.
839         (IX86_BUILTIN_PHADDBW): Ditto.
840         (IX86_BUILTIN_PHADDBD): Ditto.
841         (IX86_BUILTIN_PHADDBQ): Ditto.
842         (IX86_BUILTIN_PHADDWD): Ditto.
843         (IX86_BUILTIN_PHADDWQ): Ditto.
844         (IX86_BUILTIN_PHADDDQ): Ditto.
845         (IX86_BUILTIN_PHADDUBW): Ditto.
846         (IX86_BUILTIN_PHADDUBD): Ditto.
847         (IX86_BUILTIN_PHADDUBQ): Ditto.
848         (IX86_BUILTIN_PHADDUWD): Ditto.
849         (IX86_BUILTIN_PHADDUWQ): Ditto.
850         (IX86_BUILTIN_PHADDUDQ): Ditto.
851         (IX86_BUILTIN_PHSUBBW): Ditto.
852         (IX86_BUILTIN_PHSUBWD): Ditto.
853         (IX86_BUILTIN_PHSUBDQ): Ditto.
854         (IX86_BUILTIN_PROTB): Ditto.
855         (IX86_BUILTIN_PROTW): Ditto.
856         (IX86_BUILTIN_PROTD): Ditto.
857         (IX86_BUILTIN_PROTQ): Ditto.
858         (IX86_BUILTIN_PROTB_IMM): Ditto.
859         (IX86_BUILTIN_PROTW_IMM): Ditto.
860         (IX86_BUILTIN_PROTD_IMM): Ditto.
861         (IX86_BUILTIN_PROTQ_IMM): Ditto.
862         (IX86_BUILTIN_PSHLB): Ditto.
863         (IX86_BUILTIN_PSHLW): Ditto.
864         (IX86_BUILTIN_PSHLD): Ditto.
865         (IX86_BUILTIN_PSHLQ): Ditto.
866         (IX86_BUILTIN_PSHAB): Ditto.
867         (IX86_BUILTIN_PSHAW): Ditto.
868         (IX86_BUILTIN_PSHAD): Ditto.
869         (IX86_BUILTIN_PSHAQ): Ditto.
870         (IX86_BUILTIN_FRCZSS): Ditto.
871         (IX86_BUILTIN_FRCZSD): Ditto.
872         (IX86_BUILTIN_FRCZPS): Ditto.
873         (IX86_BUILTIN_FRCZPD): Ditto.
874         (IX86_BUILTIN_CVTPH2PS): Ditto.
875         (IX86_BUILTIN_CVTPS2PH): Ditto.
876         (IX86_BUILTIN_COMEQSS): Ditto.
877         (IX86_BUILTIN_COMNESS): Ditto.
878         (IX86_BUILTIN_COMLTSS): Ditto.
879         (IX86_BUILTIN_COMLESS): Ditto.
880         (IX86_BUILTIN_COMGTSS): Ditto.
881         (IX86_BUILTIN_COMGESS): Ditto.
882         (IX86_BUILTIN_COMUEQSS): Ditto.
883         (IX86_BUILTIN_COMUNESS): Ditto.
884         (IX86_BUILTIN_COMULTSS): Ditto.
885         (IX86_BUILTIN_COMULESS): Ditto.
886         (IX86_BUILTIN_COMUGTSS): Ditto.
887         (IX86_BUILTIN_COMUGESS): Ditto.
888         (IX86_BUILTIN_COMORDSS): Ditto.
889         (IX86_BUILTIN_COMUNORDSS): Ditto.
890         (IX86_BUILTIN_COMFALSESS): Ditto.
891         (IX86_BUILTIN_COMTRUESS): Ditto.
892         (IX86_BUILTIN_COMEQSD): Ditto.
893         (IX86_BUILTIN_COMNESD): Ditto.
894         (IX86_BUILTIN_COMLTSD): Ditto.
895         (IX86_BUILTIN_COMLESD): Ditto.
896         (IX86_BUILTIN_COMGTSD): Ditto.
897         (IX86_BUILTIN_COMGESD): Ditto.
898         (IX86_BUILTIN_COMUEQSD): Ditto.
899         (IX86_BUILTIN_COMUNESD): Ditto.
900         (IX86_BUILTIN_COMULTSD): Ditto.
901         (IX86_BUILTIN_COMULESD): Ditto.
902         (IX86_BUILTIN_COMUGTSD): Ditto.
903         (IX86_BUILTIN_COMUGESD): Ditto.
904         (IX86_BUILTIN_COMORDSD): Ditto.
905         (IX86_BUILTIN_COMUNORDSD): Ditto.
906         (IX86_BUILTIN_COMFALSESD): Ditto.
907         (IX86_BUILTIN_COMTRUESD): Ditto.
908         (IX86_BUILTIN_COMEQPS): Ditto.
909         (IX86_BUILTIN_COMNEPS): Ditto.
910         (IX86_BUILTIN_COMLTPS): Ditto.
911         (IX86_BUILTIN_COMLEPS): Ditto.
912         (IX86_BUILTIN_COMGTPS): Ditto.
913         (IX86_BUILTIN_COMGEPS): Ditto.
914         (IX86_BUILTIN_COMUEQPS): Ditto.
915         (IX86_BUILTIN_COMUNEPS): Ditto.
916         (IX86_BUILTIN_COMULTPS): Ditto.
917         (IX86_BUILTIN_COMULEPS): Ditto.
918         (IX86_BUILTIN_COMUGTPS): Ditto.
919         (IX86_BUILTIN_COMUGEPS): Ditto.
920         (IX86_BUILTIN_COMORDPS): Ditto.
921         (IX86_BUILTIN_COMUNORDPS): Ditto.
922         (IX86_BUILTIN_COMFALSEPS): Ditto.
923         (IX86_BUILTIN_COMTRUEPS): Ditto.
924         (IX86_BUILTIN_COMEQPD): Ditto.
925         (IX86_BUILTIN_COMNEPD): Ditto.
926         (IX86_BUILTIN_COMLTPD): Ditto.
927         (IX86_BUILTIN_COMLEPD): Ditto.
928         (IX86_BUILTIN_COMGTPD): Ditto.
929         (IX86_BUILTIN_COMGEPD): Ditto.
930         (IX86_BUILTIN_COMUEQPD): Ditto.
931         (IX86_BUILTIN_COMUNEPD): Ditto.
932         (IX86_BUILTIN_COMULTPD): Ditto.
933         (IX86_BUILTIN_COMULEPD): Ditto.
934         (IX86_BUILTIN_COMUGTPD): Ditto.
935         (IX86_BUILTIN_COMUGEPD): Ditto.
936         (IX86_BUILTIN_COMORDPD): Ditto.
937         (IX86_BUILTIN_COMUNORDPD): Ditto.
938         (IX86_BUILTIN_COMFALSEPD): Ditto.
939         (IX86_BUILTIN_COMTRUEPD): Ditto.
940         (IX86_BUILTIN_PCOMEQUB): Ditto.
941         (IX86_BUILTIN_PCOMNEUB): Ditto.
942         (IX86_BUILTIN_PCOMLTUB): Ditto.
943         (IX86_BUILTIN_PCOMLEUB): Ditto.
944         (IX86_BUILTIN_PCOMGTUB): Ditto.
945         (IX86_BUILTIN_PCOMGEUB): Ditto.
946         (IX86_BUILTIN_PCOMFALSEUB): Ditto.
947         (IX86_BUILTIN_PCOMTRUEUB): Ditto.
948         (IX86_BUILTIN_PCOMEQUW): Ditto.
949         (IX86_BUILTIN_PCOMNEUW): Ditto.
950         (IX86_BUILTIN_PCOMLTUW): Ditto.
951         (IX86_BUILTIN_PCOMLEUW): Ditto.
952         (IX86_BUILTIN_PCOMGTUW): Ditto.
953         (IX86_BUILTIN_PCOMGEUW): Ditto.
954         (IX86_BUILTIN_PCOMFALSEUW): Ditto.
955         (IX86_BUILTIN_PCOMTRUEUW): Ditto.
956         (IX86_BUILTIN_PCOMEQUD): Ditto.
957         (IX86_BUILTIN_PCOMNEUD): Ditto.
958         (IX86_BUILTIN_PCOMLTUD): Ditto.
959         (IX86_BUILTIN_PCOMLEUD): Ditto.
960         (IX86_BUILTIN_PCOMGTUD): Ditto.
961         (IX86_BUILTIN_PCOMGEUD): Ditto.
962         (IX86_BUILTIN_PCOMFALSEUD): Ditto.
963         (IX86_BUILTIN_PCOMTRUEUD): Ditto.
964         (IX86_BUILTIN_PCOMEQUQ): Ditto.
965         (IX86_BUILTIN_PCOMNEUQ): Ditto.
966         (IX86_BUILTIN_PCOMLTUQ): Ditto.
967         (IX86_BUILTIN_PCOMLEUQ): Ditto.
968         (IX86_BUILTIN_PCOMGTUQ): Ditto.
969         (IX86_BUILTIN_PCOMGEUQ): Ditto.
970         (IX86_BUILTIN_PCOMFALSEUQ): Ditto.
971         (IX86_BUILTIN_PCOMTRUEUQ): Ditto.
972         (IX86_BUILTIN_PCOMEQB): Ditto.
973         (IX86_BUILTIN_PCOMNEB): Ditto.
974         (IX86_BUILTIN_PCOMLTB): Ditto.
975         (IX86_BUILTIN_PCOMLEB): Ditto.
976         (IX86_BUILTIN_PCOMGTB): Ditto.
977         (IX86_BUILTIN_PCOMGEB): Ditto.
978         (IX86_BUILTIN_PCOMFALSEB): Ditto.
979         (IX86_BUILTIN_PCOMTRUEB): Ditto.
980         (IX86_BUILTIN_PCOMEQW): Ditto.
981         (IX86_BUILTIN_PCOMNEW): Ditto.
982         (IX86_BUILTIN_PCOMLTW): Ditto.
983         (IX86_BUILTIN_PCOMLEW): Ditto.
984         (IX86_BUILTIN_PCOMGTW): Ditto.
985         (IX86_BUILTIN_PCOMGEW): Ditto.
986         (IX86_BUILTIN_PCOMFALSEW): Ditto.
987         (IX86_BUILTIN_PCOMTRUEW): Ditto.
988         (IX86_BUILTIN_PCOMEQD): Ditto.
989         (IX86_BUILTIN_PCOMNED): Ditto.
990         (IX86_BUILTIN_PCOMLTD): Ditto.
991         (IX86_BUILTIN_PCOMLED): Ditto.
992         (IX86_BUILTIN_PCOMGTD): Ditto.
993         (IX86_BUILTIN_PCOMGED): Ditto.
994         (IX86_BUILTIN_PCOMFALSED): Ditto.
995         (IX86_BUILTIN_PCOMTRUED): Ditto.
996         (IX86_BUILTIN_PCOMEQQ): Ditto.
997         (IX86_BUILTIN_PCOMNEQ): Ditto.
998         (IX86_BUILTIN_PCOMLTQ): Ditto.
999         (IX86_BUILTIN_PCOMLEQ): Ditto.
1000         (IX86_BUILTIN_PCOMGTQ): Ditto.
1001         (IX86_BUILTIN_PCOMGEQ): Ditto.
1002         (IX86_BUILTIN_PCOMFALSEQ): Ditto.
1003         (IX86_BUILTIN_PCOMTRUEQ): Ditto.
1004         (bdesc_ptest): Change OPTION_MASK_ISA_SSE4_1 to
1005         OPTION_MASK_ISA_ROUND for instructions that are shared between
1006         SSE4.1 and SSE5.
1007         (bdesc_2arg): Ditto.
1008         (bdesc_sse_3arg): Ditto.
1009         (enum multi_arg_type): New enum for describing the various SSE5
1010         intrinsic argument types.
1011         (bdesc_multi_arg): New table for SSE5 intrinsics.
1012         (ix86_init_mmx_sse_builtins): Add SSE5 intrinsic support.
1013         (ix86_expand_multi_arg_builtin): New function for creating SSE5
1014         intrinsics.
1015         (ix86_expand_builtin): Add SSE5 intrinsic support.
1016         (ix86_sse5_valid_op_p): New function to validate SSE5 3 and 4
1017         operand instructions.
1018         (ix86_expand_sse5_multiple_memory): New function to split the
1019         second memory reference from SSE5 instructions.
1020         (type_has_variadic_args_p): Delete in favor of stdarg_p.
1021         (ix86_return_pops_args): Use stdarg_p to determine if the function
1022         has variable arguments.
1023         (ix86_setup_incoming_varargs): Ditto.
1024         (x86_this_parameter): Ditto.
1025
1026         * config/i386/i386-protos.h (ix86_expand_sse5_unpack): Add
1027         declaration.
1028         (ix86_expand_sse5_pack): Ditto.
1029         (ix86_sse5_valid_op_p): Ditto.
1030         (ix86_expand_sse5_multiple_memory): Ditto.
1031
1032         * config/i386/i386.md (UNSPEC_SSE5_INTRINSIC): Add new UNSPEC
1033         constant for SSE5 support.
1034         (UNSPEC_SSE5_UNSIGNED_CMP): Ditto.
1035         (UNSPEC_SSE5_TRUEFALSE): Ditto.
1036         (UNSPEC_SSE5_PERMUTE): Ditto.
1037         (UNSPEC_SSE5_ASHIFT): Ditto.
1038         (UNSPEC_SSE5_LSHIFT): Ditto.
1039         (UNSPEC_FRCZ): Ditto.
1040         (UNSPEC_CVTPH2PS): Ditto.
1041         (UNSPEC_CVTPS2PH): Ditto.
1042         (PCOM_FALSE): Add new constant for true/false SSE5 comparisons.
1043         (PCOM_TRUE): Ditto.
1044         (COM_FALSE_S): Ditto.
1045         (COM_FALSE_P): Ditto.
1046         (COM_TRUE_S): Ditto.
1047         (COM_TRUE_P): Ditto.
1048         (type attribute): Add ssemuladd, sseiadd1, ssecvt1, sse4arg types.
1049         (unit attribute): Add support for ssemuladd, ssecvt1, sseiadd1 sse4arg
1050         types.
1051         (memory attribute): Ditto.
1052         (sse4_1_round<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
1053         Use SSE4_1_ROUND_* constants instead of hard coded numbers.
1054         (rint<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
1055         (floor<mode>2): Ditto.
1056         (ceil<mode>2): Ditto.
1057         (btrunc<mode>2): Ditto.
1058         (nearbyintdf2): Ditto.
1059         (nearbyintsf2): Ditto.
1060         (sse_setccsf): Disable if SSE5.
1061         (sse_setccdf): Ditto.
1062         (sse5_setcc<mode>): New support for SSE5 conditional move.
1063         (sse5_pcmov_<mode>): Ditto.
1064
1065         * config/i386/sse.md (SSEMODE1248): New mode iterator for SSE5.
1066         (SSEMODEF4): Ditto.
1067         (SSEMODEF2P): Ditto.
1068         (ssemodesuffixf4): New mode attribute for SSE5.
1069         (ssemodesuffixf2s): Ditto.
1070         (ssemodesuffixf2c): Ditto.
1071         (sserotatemax): Ditto.
1072         (ssescalarmode): Ditto.
1073         (sse_maskcmpv4sf3): Disable if SSE5.
1074         (sse_maskcmpv2df3): Ditto.
1075         (sse_vmmaskcmpv4sf3): Ditto.
1076         (sse5_fmadd<mode>4): Add SSE5 floating point multiply/add
1077         instructions.
1078         (sse5_vmfmadd<mode>4): Ditto.
1079         (sse5_fmsub<mode>4): Ditto.
1080         (sse5_vmfmsub<mode>4): Ditto.
1081         (sse5_fnmadd<mode>4): Ditto.
1082         (sse5_vmfnmadd<mode>4): Ditto.
1083         (sse5_fnmsub<mode>4): Ditto.
1084         (sse5_vmfnmsub<mode>4): Ditto.
1085         (sse5i_fmadd<mode>4): Ditto.
1086         (sse5i_fmsub<mode>4): Ditto.
1087         (sse5i_fnmadd<mode>4): Ditto.
1088         (sse5i_fnmsub<mode>4): Ditto.
1089         (sse5i_vmfmadd<mode>4): Ditto.
1090         (sse5i_vmfmsub<mode>4): Ditto.
1091         (sse5i_vmfnmadd<mode>4): Ditto.
1092         (sse5i_vmfnmsub<mode>4): Ditto.
1093         (mulv16qi3): Add SSE5 support.
1094         (mulv4si3): Ditto.
1095         (sse5_mulv4si3): New insn for 32-bit multiply support on SSE5.
1096         (sse2_mulv4si3): Disable if SSE5.
1097         (sse4_1_roundpd): Use TARGET_ROUND instead of TARGET_SSE4_1.
1098         (sse4_1_roundps): Ditto.
1099         (sse4_1_roundsd): Ditto.
1100         (sse4_1_roundss): Ditto.
1101         (sse_maskcmpv4sf3): Disable if SSE5 so the SSE5 instruction will
1102         be generated.
1103         (sse_maskcmpsf3): Ditto.
1104         (sse_vmmaskcmpv4sf3): Ditto.
1105         (sse2_maskcmpv2df3): Ditto.
1106         (sse2_maskcmpdf3): Ditto.
1107         (sse2_vmmaskcmpv2df3): Ditto.
1108         (sse2_eq<mode>3): Ditto.
1109         (sse2_gt<mode>3): Ditto.
1110         (sse5_pcmov_<mode>): Add SSE5 support.
1111         (vec_unpacku_hi_v16qi): Ditto.
1112         (vec_unpacks_hi_v16qi): Ditto.
1113         (vec_unpacku_lo_v16qi): Ditto.
1114         (vec_unpacks_lo_v16qi): Ditto.
1115         (vec_unpacku_hi_v8hi): Ditto.
1116         (vec_unpacks_hi_v8hi): Ditto.
1117         (vec_unpacku_lo_v8hi): Ditto.
1118         (vec_unpacks_lo_v8hi): Ditto.
1119         (vec_unpacku_hi_v4si): Ditto.
1120         (vec_unpacks_hi_v4si): Ditto.
1121         (vec_unpacku_lo_v4si): Ditto.
1122         (vec_unpacks_lo_v4si): Ditto.
1123         (sse5_pmacsww): New SSE5 intrinsic insn.
1124         (sse5_pmacssww): Ditto.
1125         (sse5_pmacsdd): Ditto.
1126         (sse5_pmacssdd): Ditto.
1127         (sse5_pmacssdql): Ditto.
1128         (sse5_pmacssdqh): Ditto.
1129         (sse5_pmacsdqh): Ditto.
1130         (sse5_pmacsswd): Ditto.
1131         (sse5_pmacswd): Ditto.
1132         (sse5_pmadcsswd): Ditto.
1133         (sse5_pmadcswd): Ditto.
1134         (sse5_pcmov_<move>): Conditional move support on SSE5.
1135         (sse5_phaddbw): New SSE5 intrinsic insn.
1136         (sse5_phaddbd): Ditto.
1137         (sse5_phaddbq): Ditto.
1138         (sse5_phaddwd): Ditto.
1139         (sse5_phaddwq): Ditto.
1140         (sse5_phadddq): Ditto.
1141         (sse5_phaddubw): Ditto.
1142         (sse5_phaddubd): Ditto.
1143         (sse5_phaddubq): Ditto.
1144         (sse5_phadduwd): Ditto.
1145         (sse5_phadduwq): Ditto.
1146         (sse5_phaddudq): Ditto.
1147         (sse5_phsubbw): Ditto.
1148         (sse5_phsubwd): Ditto.
1149         (sse5_phsubdq): Ditto.
1150         (sse5_pperm): Ditto.
1151         (sse5_pperm_sign_v16qi_v8hi): New insns for pack/unpack with SSE5.
1152         (sse5_pperm_zero_v16qi_v8hi): Ditto.
1153         (sse5_pperm_sign_v8hi_v4si): Ditto.
1154         (sse5_pperm_zero_v8hi_v4si): Ditto.
1155         (sse5_pperm_sign_v4si_v2di): Ditto.
1156         (sse5_pperm_sign_v4si_v2di): Ditto.
1157         (sse5_pperm_pack_v2di_v4si): Ditto.
1158         (sse5_pperm_pack_v4si_v8hi): Ditto.
1159         (sse5_pperm_pack_v8hi_v16qi): Ditto.
1160         (sse5_perm<mode>): New SSE5 intrinsic insn.
1161         (rotl<mode>3): Ditto.
1162         (sse5_rotl<mode>3): Ditto.
1163         (sse5_ashl<mode>3): Ditto.
1164         (sse5_lshl<mode>3): Ditto.
1165         (sse5_frcz<mode>2): Ditto.
1166         (sse5s_frcz<mode>2): Ditto.
1167         (sse5_cvtph2ps): Ditto.
1168         (sse5_cvtps2ph): Ditto.
1169         (sse5_vmmaskcmp<mode>3): Ditto.
1170         (sse5_com_tf<mode>3): Ditto.
1171         (sse5_maskcmp<mode>3): Ditto.
1172         (sse5_maskcmp_uns<mode>3): Ditto.
1173         (sse5_maskcmp_uns2<mode>3): Ditto.
1174         (sse5_pcom_tf<mode>3): Ditto.
1175         
1176         * config/i386/predicates.md (const_0_to_31_operand): New predicate
1177         to match 0..31.
1178         (sse5_comparison_float_operator): New predicate to match the
1179         comparison operators supported by the SSE5 com instruction.
1180         (ix86_comparison_int_operator): New predicate to match just the
1181         signed int comparisons.
1182         (ix86_comparison_uns_operator): New predicate to match just the
1183         unsigned int comparisons.
1184
1185         * doc/invoke.texi (-msse5): Add documentation.
1186         (-mfused-madd): Ditto.
1187
1188         * doc/extend.texi (x86 intrinsics): Document new SSE5 intrinsics.
1189
1190         * config.gcc (i[34567]86-*-*): Include bmmintrin.h and
1191         mmintrin-common.h.
1192         (x86_64-*-*): Ditto.
1193
1194         * config/i386/cpuid.h (bit_SSE5): Define SSE5 bit.
1195
1196         * config/i386/bmmintrin.h: New file, provide common x86 compiler
1197         intrinisics for SSE5.
1198
1199         * config/i386/smmintrin.h: Move instructions shared with SSE5 to
1200         mmintrin-common.h.
1201
1202         * config/i386/mmintrin-common.h: New file, to contain common
1203         instructions between SSE4.1 and SSE5.
1204
1205         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration): Use
1206         FOREACH_FUNCTION_ARGS to iterate over the argument list.
1207         (gen_regparm_prefix): Ditto.
1208
1209         * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix): Use
1210         FOREACH_FUNCTION_ARGS to iterate over the argument list.  Use
1211         prototype_p to determine if a function is prototyped.
1212
1213 2007-09-12  Janis Johnson  <janis187@us.ibm.com>
1214
1215         * config/dfp-bit.c (dfp_conversion_exception): New function.
1216         (DFP_TO_DFP) Add new variants to use direct conversions in decNumber.
1217         (DFP_TO_INT): Ditto.
1218         (INT_TO_DFP): Ditto.
1219         * config/dfp-bit.h (DEC_FLOAT_FROM_INT, DEC_FLOAT_TO_INT): New.
1220
1221 2007-09-12  Jakub Jelinek  <jakub@redhat.com>
1222
1223         PR target/32338
1224         * config/ia64/ia64.c (ia64_expand_epilogue): Emit blockage
1225         before sp restoration even when total_size is 0, but
1226         frame_pointer_needed.
1227
1228 2007-09-12  Bob Wilson  <bob.wilson@acm.org>
1229
1230         * config/xtensa/xtensa.c (machine_function): Add vararg_a7_copy.
1231         (xtensa_copy_incoming_a7): Use start_sequence instead of
1232         push_to_sequence.  Stash insns in vararg_a7_copy for builtin_saveregs.
1233         (xtensa_builtin_saveregs): Place code from vararg_a7_copy at the start
1234         of the saveregs sequence.
1235
1236 2007-09-12  Richard Sandiford  <richard@codesourcery.com>
1237
1238         * c-tree.h (grokfield): Add a "tree *" argument.
1239         * c-decl.c (grokdeclarator): Take a pointer to the decl's attributes.
1240         Chain nested decl attributes to it.  Don't call decl_attributes here.
1241         (groktypename): Pass grokdeclarator a pointer to the attribute list.
1242         (start_decl, grokparm, push_parm_decl, start_function): Likewise.
1243         (grokfield): Take a pointer to the decl's attributes and pass
1244         it to grokdeclarator.
1245         * c-parser.c (c_parser_struct_declaration): Update the calls to
1246         grokfield.  Call decl_attributes for anonymous struct and union
1247         fields.
1248
1249 2007-09-12  Jan Hubicka  <jh@suse.cz>
1250
1251         * c-objc-common.h (LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION): Kill.
1252
1253 2007-09-12  Ira Rosen  <irar@il.ibm.com>
1254
1255         PR tree-optimization/32377
1256         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Distinguish
1257         between positive and negative dependence distance using DDR_REVERSED_P.
1258
1259 2007-09-12  Dorit Nuzman  <dorit@il.ibm.com>
1260
1261         PR tree-optimization/33373
1262         * tree-vect-analyze (vect_determine_vectorization_factor): Call 
1263         TREE_INT_CST_LOW when comparing TYPE_SIZE_UNIT. 
1264
1265 2007-09-12  Jan Hubicka  <jh@suse.cz>
1266
1267         PR target/33393
1268         * i386.md (floatsisf2_mixed_memory, floatsisf2_sse_memory): Disable for
1269         !SSE_MATH
1270
1271 2007-09-12  Christian Bruel  <christian.bruel@st.com>
1272
1273         * sh.h (SH_DBX_REGISTER_NUMBER): Added fpscr, fixed sr/gbr regs.
1274         * linux-unwind.h (SH_DWARF_FRAME_GBR): fixed. 
1275         
1276 2007-09-12  Ira Rosen  <irar@il.ibm.com>
1277
1278         * tree-vect-transform.c (vect_get_slp_defs): Don't build a vector
1279         for oprnd1 if not required.
1280         (vectorizable_operation): Use scalar operand in SLP in case of 
1281         shift with scalar argument.
1282
1283 2007-09-12  Ira Rosen  <irar@il.ibm.com>
1284
1285         * params.def (PARAM_MIN_VECT_LOOP_BOUND): Change default and minimum 
1286         to 1.
1287
1288 2007-09-11  James E. Wilson  <wilson@specifix.com>
1289
1290         * defaults.h (DWARF2_UNWIND_INFO): Don't define if
1291         TARGET_UNWIND_INFO is defined.
1292         * config/ia64/ia64.h (INCOMING_RETURN_ADDR_RTX): Delete undef
1293         after definition.
1294
1295 2007-09-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1296
1297         * config/sh/sh.c (calc_live_regs): Use
1298         current_function_saves_all_registers instead of
1299         current_function_has_nonlocal_label.
1300         (sh_allocate_initial_value): Likewise.
1301         (sh_get_pr_initial_val): Likewise.
1302         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Likewise.
1303         * config/sh/sh.md (load_ra): Likewise.
1304
1305 2007-09-12  Hans-Peter Nilsson  <hp@axis.com>
1306
1307         * config/cris/t-linux (LIMITS_H_TEST): Only define if not inhibit_libc.
1308
1309         PR target/33360
1310         * config/cris/cris.c (cris_expand_pic_call_address): Fix typo in
1311         GET_CODE (x) == CONST_INT to CONST_INT_P (x) transformation.
1312
1313 2007-09-12  Sa Liu  <saliu@de.ibm.com>
1314
1315         * config/spu/spu.c (spu_emit_branch_or_set): Handle NaN values as
1316         operands to DFmode GE or LE compares.
1317
1318 2007-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1319
1320         * config/bfin/bfin.h (enum reg_class, REG_CLASS_CONTENTS,
1321         REG_CLASS_NAMES): Add P0REGS.
1322         (REGNO_REG_CLASS): Return it where appropriate.
1323         (REG_CLASS_FROM_CONSTRAINT): Add 'qA'.
1324         (CLASS_LIKELY_SPILLED_P): P0REGS is likely_spilled.
1325         * doc/md.texi (Blackfin family): Document 'q' constraints.
1326
1327 2007-09-11  Steve Kenton  <skenton@ou.edu>
1328
1329         * pa/linux-unwind.h: Guard with inhibit_libc.
1330         * pa/hpux-unwind.h: Likewise.
1331
1332 2007-09-11  David Daney  <ddaney@avtrex.com>
1333
1334         * doc/invoke.texi: Document new MIPS -mllsc and -mno-llsc options.
1335         * doc/install.texi: Document new --with-llsc and --without-llsc
1336         options.
1337         * config.gcc: Handle --with-llsc and --without-llsc configure options.
1338         * config/mips/mips.md (sync, memory_barrier): Wrap sync instrunction
1339         in %| and %- operand codes.  Depend on GENERATE_SYNC instead of
1340         ISA_HAS_SYNC.
1341         (sync_compare_and_swap<mode>, sync_add<mode>, sync_sub<mode>,
1342         sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
1343         sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
1344         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
1345         sync_new_nand<mode>, sync_lock_test_and_set<mode>): Depend on
1346         GENERATE_LL_SC instead of ISA_HAS_LL_SC.
1347         * config/mips/mips.opt (mllsc): New option.
1348         * config/mips/mips.c (mips_llsc): Define variable.
1349         (mips_handle_option): Handle mllsc option.
1350         (override_options): Set mips_print_operand_punct for '|' and '-'.
1351         (print_operand): Add new %| and %- operand codes.
1352         * config/mips/mips.h (mips_llsc_setting): New enum type.
1353         (mips_llsc): Declare.
1354         (OPTION_DEFAULT_SPECS): Add llsc handling.
1355         (GENERATE_SYNC): New macro.
1356         (GENERATE_LL_SC): New macro.
1357         (MIPS_COMPARE_AND_SWAP, MIPS_SYNC_OP, MIPS_SYNC_OLD_OP,
1358         MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND,
1359         MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE): Wrap instructions
1360         in %| and %- operand codes.
1361
1362 2007-09-11  Eric Botcazou  <ebotcazou@adacore.com>
1363
1364         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Deal with
1365         TYPE_NONALIASED_COMPONENT like with DECL_NONADDRESSABLE_P.
1366
1367 2007-09-11  Jason Merrill  <jason@redhat.com>
1368
1369         PR middle-end/27945
1370         * stor-layout.c (layout_decl): Do pack variable size fields.    
1371
1372 2007-09-11  Maxim Kuvyrkov  <maxim@codesourcery.com>
1373
1374         * config/m68k/predicates.md (movsi_const0_operand,
1375         non_symbolic_call_operand): New predicates.
1376
1377         * config/m68k/constraints.md: (Cs, Ci, C0, Cj, CQ, CW, CZ, CS, Ap, Ac):
1378         New constraints.
1379         * doc/md.texi (Constraints for Particular Machines: Motorola 680x0):
1380         Document constraints N, O, P, R, S, T, Q, U, W, Cs, Ci, C0, Cj, CQ,
1381         CW, CZ, CS, Ap and Ac.
1382
1383         * config/m68k/m68k.md (UNSPEC_IB): New constant.
1384         (constraints.md): New include.
1385         (cpu, type, type1, opx, opy, opx_type, opy_type, size, opx_access,
1386         opx_mem, opy_mem, op_mem, guess, split): New attributes.
1387         (movdf_internal): Name pattern.  Fix to use alternatives.  Add split.
1388         Specify attributes.
1389         (pushdi): Add split.
1390         (tstsi_internal): Name pattern.  Fix to use alternatives.  Specify
1391         attributes.  Split tstsi_internal_68020_cf from it.
1392         (tstsi_internal_68020_cf): New pattern.
1393         (tsthi_internal, tstqi_internal): Name pattern.  Specify attributes.
1394         (tst<mode>_cf): Specify attributea.
1395         (cmpsi_cf): Name pattern.  Specify attributes.
1396         (cmp<mode>_68881, cmp<mode>_cf): Specify type attribute.
1397         (pushexthisi_const): Fix to use alternatives.  Specify
1398         attributes.
1399         (movsi_const0): Split movsi_const0_68000_10 and movsi_const0_68040_60
1400         from it.  Fix to use alternatives.  Specify attributes.
1401         (movsi_const0_68040_10, movsi_const0_68040_60): New patterns.
1402         (movsi_cf, movstrictqi_cf): Fix to use alternatives.  Specify
1403         attributes.
1404         (movsf_cf_soft): Specify attributes.
1405         (movdf_cf_soft): Add split.
1406         (pushasi, zero_extendhisi2_cf, zero_extendqisi2_cfv4,
1407         cfv4_extendhisi2, 68k_extendhisi2, extendqihi2, cfv4_extendqisi2,
1408         68k_extendqisi2, truncdfsf2_cf): Specify attributes.
1409         (truncdfsf2_68881): Name pattern.  Specify attributes.
1410         (floatsi<mode>2_cf, floathi<mode>2_68881, floathi<mode>2_cf,
1411         floatqi<mode>2_68881, floatqi<mode>2_cf, ftrunc<mode>2_cf,
1412         fix<mode>qi2_cf, fix<mode>hi2_cf, fix<mode>si2_cf, adddi_dishl32):
1413         Specify attributes.
1414         (addsi3_5200): Fix to use alternatives.  Specify attributes.
1415         Add splits.
1416         (add<mode>3_cf, subdi_dishl32): Specify attributes.
1417         (subsi3): Add alternative for subq.l.  Specify attributes.
1418         (sub<mode>3_cf, mulhi3, mulhisi3): Specify attributes.
1419         (mulhisisi3_s, mulsi3_68020, mulsi3_cf): Name pattern.  Specify
1420         attributes.
1421         (umulhisi3): Specify attributes.
1422         (mulhisisi3_z): Name pattern.  Specify attributes.
1423         (fmul<mode>3_cf, div<mode>3_cf, negsi2_internal, negsi2_5200,
1424         sqrt<mode>2_68881, clzsi2, one_cmplsi2_5200, subreghi1ashrdi_const32,
1425         subregsi1ashrdi_const32, ashrsi3, subreg1lshrdi_const32, lshrsi3,
1426         bsetmemqi): Specify attributes.
1427         (bsetmemqi_ext): Name pattern.  Specify attributes.
1428         (bclrmemqi): Specify attributes.
1429         (bclrmemqi_ext, scc, sls): Name pattern.  Specify attributes.
1430         (beq, bne, bgt, bgtu, blt, bltu, bge, bgeu, ble, bleu): Specify
1431         attributes.
1432         (beq2, bne2, bgt2, bgtu2, blt2, bltu2, bge2, bgeu2, ble2, bleu2): Name
1433         pattern.  Specify attributes.
1434         (jump): Specify attributes.
1435         (tablejump_internal): Name pattern.  Specify attributes.
1436         (call_value): Split into non_symbolic_call_value,
1437         symbolic_call_value_jsr, symbolic_call_value_bsr.  Fix to use
1438         alternatives.  Specify attributes.
1439         (non_symbolic_call_value, symbolic_call_value_jsr,
1440         symbolic_call_value_bsr): New patterns.
1441         (nop, return, unlink, indirect_jump): Specify attributes.
1442         (trap): Fix condition.  Specify attributes.
1443         (ib): New pattern.
1444
1445         * config/m68k/m68k.c (m68k_symbolic_call_var): New variable.
1446         (override_options): Initialize it.  Initialize m68k_sched_cpu.
1447         (CONST_METHOD): Rename to M68K_CONST_METHOD, move to m68k.h.
1448         (const_method): Make global, rename to m68k_const_method.
1449         (const_int_cost, output_move_const_into_data_reg): Update.
1450         (output_move_double): Parametrize to emit rtl code, rename to
1451         handle_move_double.
1452         (output_reg_adjust, emit_reg_adjust, output_compadr, output_movsi,
1453         emit_movsi): New static functions.
1454         (output_move_double): New function with semantics of old
1455         output_move_double.
1456         (m68k_emit_move_double): New function.
1457         (m68k_sched_cpu): New variable.
1458         (attr_op_type): New enum.
1459         (sched_guess_p): New variable.
1460         (sched_address_type, sched_operand_type, sched_attr_op_type):
1461         New static functions.
1462         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type,
1463         m68k_sched_attr_size, m68k_sched_attr_op_mem): New functions.
1464         (sched_branch_type): New static variable.
1465         (m68k_sched_branch_type): New function.
1466         * config/m68k/m68k.h (M68K_SYMBOLIC_CALL): New enum.
1467         (m68k_symbolic_call_var): Declare.
1468         (M68K_CONST_METHOD): Rename from CONST_METHOD.  Move here from m68k.c.
1469         (m68k_const_method, m68k_emit_move_double, m68k_sched_cpu,
1470         m68k_sched_attr_opx_type, m68k_sched_attr_opy_type,
1471         m68k_sched_attr_size, m68k_sched_attr_op_mem, m68k_sched_branch_type):
1472         Declare.
1473
1474 2007-09-11  Jakub Jelinek  <jakub@redhat.com>
1475
1476         * builtins.def (BUILT_IN_VA_ARG_PACK_LEN): New builtin.
1477         * builtins.c (expand_builtin) <case BUILT_IN_VA_ARG_PACK_LEN>: Issue
1478         error if __builtin_va_arg_pack_len () wasn't optimized out during
1479         inlining.
1480         * tree-inline.c (copy_bb): Replace __builtin_va_arg_pack_len ()
1481         with the number of inline's anonymous arguments.
1482         * doc/extend.texi: Document __builtin_va_arg_pack_len ().
1483
1484 2007-09-11  Zdenek Dvorak  <ook@ucw.cz>
1485
1486         * fold-const.c (extract_muldiv_1): Do not simplify
1487         var * c * c to var.
1488
1489 2007-09-11  Jan Hubicka <jh@suse.cz>
1490
1491         * i386.h (ix86_tune_indices): Add X86_TUNE_INTER_UNIT_CONVERSIONS.
1492         (TARGET_INTER_UNIT_CONVERSIONS): New.
1493         * i386.md (floatsi expanders): Remove redundant check for SImode
1494         source; offload to memory when asked for.
1495         (floatsisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse
1496         floatdisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse):
1497         Update conditions;
1498         (floatsisf2_mixed_memory, floatsisf2_sse_memory,
1499         floatsidf2_mixed_memory, floatsidf2_sse_memory
1500         floatdisf2_mixed_memory, floatsisf2_sse_memory,
1501         floatsidf2_mixed_memory, floatsidf2_sse_memory): New.
1502
1503 2007-09-11  Jan Hubicka <jh@suse.cz>
1504
1505         * toplev.c (process_options): all frontends now do unit-at-a-time.
1506         * cgraphunit.c: update comments.
1507         (cgraph_expand_function): call passmanager dirrectly; emit thunks.
1508         * c-decl.c (finish_function): use cgraph_add_new_function.
1509         * function.c (expand_function_end): We are always unit-at-a-time.
1510
1511 2007-09-11  Richard Sandiford  <richard@codesourcery.com>
1512
1513         * config/mips/mips.c (mips_set_mips16_mode): Use separate anchor
1514         settings for MIPS16.
1515         (mips_use_anchors_for_symbol_p): Use default_use_anchors_for_symbol_p.
1516
1517 2007-09-11  Richard Sandiford  <richard@codesourcery.com>
1518
1519         * config/mips/mips.c (mips_symbol_insns_1): Allow LEAs of
1520         SYMBOL_FORCE_TO_MEM constants.
1521         (mips_rtx_costs): Give a cost of 1 to force_to_mem_operands.
1522         (mips16_rewrite_pool_refs_info): New structure.
1523         (mips16_rewrite_pool_constant): New function, split out from...
1524         (mips16_rewrite_pool_refs): ...here.  Take a pointer to a
1525         mips16_rewrite_pool_refs_info structure rather than a pointer
1526         to a constant pool.  Force force_to_mem_operands into memory.
1527         (mips16_lay_out_constants): Update call to mips16_rewrite_pool_refs.
1528         * config/mips/predicates.md (force_to_mem_operand): New predicate.
1529         * config/mips/constraints.md (kf): New constraint.
1530         * config/mips/mips.md (*movdi_64bit_mips16): Add a d <- kf alternative.
1531         (*movsi_mips16): Likewise.
1532
1533 2007-09-11  Richard Sandiford  <richard@codesourcery.com>
1534             Nigel Stephens  <nigel@mips.com>
1535             David Ung  <davidu@mips.com>
1536
1537         * config/mips/mips.h (CONSTANT_POOL_COST): Move to...
1538         * config/mips/mips.c: ...here and set to 4 for TARGET_MIPS16.
1539         (mips16_constant_cost, mips_immediate_operand_p, mips_binary_cost)
1540         (mips_fp_mult_cost, mips_fp_div_cost, mips_sign_extend_cost)
1541         (mips_zero_extend_cost): New functions.
1542         (mips_rtx_costs): Treat COMPARE constants as having zero cost.
1543         Use the new functions.  Tweak many cost estimates, both here
1544         and in the new subroutines.  Return false when the cost of the
1545         operands has not been calculated.  Check for *clear_upper32.
1546         Check for floating-point multiply-add, reciprocal and rsqrt
1547         patterns.  Handle comparison and rotation codes.
1548
1549 2007-09-11  Danny Smith  <dannysmith@users.sourceforge.net>
1550
1551         * config/i386/cygming.h (TARGET_STRIP_NAME_ENCODING): Don't
1552         override default.
1553         * config/i386/i386.c (get_dllimport_decl): Don't strip
1554         FASTCALL_PREFIX.
1555
1556 2007-09-10  Janis Johnson  <janis187@us.ibm.com>
1557
1558         PR c/30013
1559         * config/dfp-bit.c: Don't skip TFmode conversions; move strto*
1560         declarations to top.
1561         (DFP_TO_BFP): Use for either XFmode or TFmode.
1562         (BFP_TO_DFP): Use for either XFmode or TFmode; always use cast
1563         of BFP_VIA_TYPE.
1564         * config/dfp-bit.h: Include float.h.
1565         (LONG_DOUBLE_HAS_XF_MODE, LONG_DOUBLE_HAS_TF_MODE): Define if long
1566         double is one of these modes, rather than using LIBGCC_HAS_*F_MODE
1567         which doesn't mean the same thing.
1568         (BFP_KIND): Use 4 to mean TFmode.
1569         (BFP_FMT): Specify the number of decimal digits based on the
1570         number of mantissa digits.
1571         (BFP_VIA_TYPE): Binary float type to use as cast for sprintf.
1572         (BFP_TO_DFP, DFP_TO_BFP): Define names for TFmode variants.
1573         (STR_TO_BFP): Use strtold for XFmode or TFmode.
1574         (TFtype): Define if TFmode is supported.
1575         * doc/libgcc.texi (Decimal float library routines): Document
1576         TF conversion functions.
1577
1578 2007-09-10  Chao-ying Fu  <fu@mips.com>
1579
1580         * config/mips/mips.c (mips_scalar_mode_supported_p): Declare.
1581         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1582         (mips_emit_compare): Process fixed-point modes.
1583         (mips_pad_arg_upward): Support fixed-point types.
1584         (override_options): Allow fixed-point modes in accumulators.
1585         (mips_pass_by_reference): Pass DQ, UDQ, DA, and UDA modes in registers.
1586         (mips_vector_mode_supported_p): Support V2HQmode, V2UHQmode, V2HAmode,
1587         V2UHAmode, V4QQmode, and V4UQQmode when TARGET_DSP.
1588         (mips_scalar_mode_supported_p): New function to accept fixed-point
1589         modes if the width is not greater than two BITS_PER_WORD.
1590         * config/mips/mips.h (SHORT_FRACT_TYPE_SIZE, FRACT_TYPE_SIZE,
1591         LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE,
1592         SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE,
1593         LONG_LONG_ACCUM_TYPE_SIZE): Define.
1594         * config/mips/mips.md ("d"): Update mode attribute for fixed-point
1595         modes.
1596         ("IMODE"): New mode attribute.
1597         (mips-fixed.md): Include.
1598         * config/mips/mips-modes.def: Create VECTOR_MODES for FRACT, UFRACT,
1599         ACCUM, UACCUM.
1600         * config/mips/mips-fixed.md: New file.
1601
1602 2007-09-11  Ben Elliston  <bje@au.ibm.com>
1603
1604         * config/spu/spu.md: Formatting fixes.
1605
1606 2007-09-10  Janis Johnson  <janis187@us.ibm.com>
1607
1608         * config/dfp-bit.c (dfp_unary_func): Delete.
1609         (dfp_unary_op): Delete.
1610         (dfp_binary_op): Use decFloat functions instead of decNumber
1611         functions for binary operations.
1612         (d32_binary_op): Convert 32-bit operands to 64 bits for evaluation.
1613         (dnn_binary_op): Call dfp_binary_op with decFloat rather than
1614         DFP_C_TYPE.
1615         (dfp_compare_op): Use decFloat functions insteadof decNumber
1616         functions for comparisons.
1617         (d32_compare_op): Convert 32-bit operands to 64 bits for evaluation.
1618         (dnn_binary_op): Call dfp_compare_op with decFloat rather than
1619         DFP_C_TYPE.
1620         (DFP_ADD, DFP_SUB, DFP_MULTIPLE, DFP_DIVIDE): Use macros for
1621         call to dxx_binary_op and decFloat function.
1622         (DFP_EQ, DFP_NE, DFP_LT, DFP_GT, DFP_LE, DFP_GE): Use macros for
1623         calls to dxx_binary_op and decFloat function.
1624         * config/dfp-bit.h: Include decFloat header files.
1625         (decFloat, DFP_BINARY_OP, DFP_COMPARE_OP, DEC_FLOAT_ADD,
1626         DEC_FLOAT_SUBTRACT, DEC_FLOAT_MULTIPLY, DEC_FLOAT_DIVIDE,
1627         DEC_FLOAT_COMPARE, DEC_FLOAT_IS_ZERO, DEC_FLOAT_IS_NAN,
1628         DEC_FLOAT_IS_SIGNED: Define for each of 3 operand widths.
1629
1630 2007-09-10  Harsha Jagasia <harsha.jagasia@amd.com>
1631             Jan Sjodin <jan.sjodin@amd.com>
1632         
1633         * tree-vect-analyze.c (vect_analyze_operations): Change
1634         comparison of loop iterations with threshold to less than
1635         or equal to instead of less than. Reduce
1636         min_scalar_loop_bound by one.
1637         * tree-vect-transform.c (vect_estimate_min_profitable_iters): 
1638         Change prologue and epilogue iterations estimate to vf/2,
1639         when unknown at compile-time. Change versioning guard
1640         cost to taken_branch_cost. If peeling for alignment is
1641         unknown at compile-time, change peel guard costs to one
1642         taken branch and one not-taken branch per peeled loop.
1643         If peeling for alignment is known but number of scalar loop
1644         iterations is unknown at compile-time, change peel guard
1645         costs to one taken branch per peeled loop. Change the cost
1646         model equation to consider vector iterations as the loop
1647         iterations less the prologue and epilogue iterations.
1648         Change outside vector cost check to less than or equal to
1649         zero instead of equal to zero.
1650         (vect_do_peeling_for_loop_bound): Reduce
1651         min_scalar_loop_bound by one.
1652         * tree-vectorizer.h: Add TARG_COND_TAKEN_BRANCH_COST and
1653         TARG_COND_NOT_TAKEN_BRANCH_COST.        
1654         * config/i386/i386.h (processor_costs): Add
1655         scalar_stmt_cost, scalar_load_cost, scalar_store_cost,
1656         vec_stmt_cost, vec_to_scalar_cost, scalar_to_vec_cost,
1657         vec_align_load_cost, vect_unalign_load_cost,
1658         vec_store_cost, cond_taken_branch_cost,
1659         cond_not_taken_branch_cost.
1660         Define macros for x86 costs.
1661         * config/i386/i386.c:
1662         (size_cost): Set scalar_stmt_cost, scalar_load_cost,
1663         scalar_store_cost, vec_stmt_cost, vec_to_scalar_cost,
1664         scalar_to_vec_cost, vec_align_load_cost, 
1665         vect_unalign_load_cost, vec_store_cost,
1666         cond_taken_branch_cost, cond_not_taken_branch_cost to one. 
1667         (i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
1668         geode_cost, k6_cost, athlon_cost, pentium4_cost, nocona_cost, 
1669         core2_cost, generic64_cost, generic32_cost): Set to default
1670         untuned costs.
1671         (k8_cost, amdfam10_cost): Costs for vectorization tuned.
1672         (x86_builtin_vectorization_cost): New.
1673
1674 2007-09-10  Janis Johnson  <janis187@us.ibm.com>
1675             Ben Elliston  <bje@au.ibm.com>
1676
1677         * dfp.c: Include decimal128Local.h; 
1678         (dfp_byte_swap): Remove.
1679         (encode_decimal32, decode_decimal32): Don't handle endianness.
1680         (encode_decimal64, decode_decimal64): Ditto.
1681         (encode_decimal128, decode_decimal128): Ditto.
1682         * config/dfp-bit.c (host_to_ieee32, ieee_to_host_32): Ditto.
1683         (__swap64): Remove.
1684         (host_to_ieee_64, ieee_to_host_64): Don't handle endianness.
1685          (__swap128): Remove
1686         (host_to_ieee_128, ieee_to_host_128): Don't handle endianness.
1687         * Makefile.in (DECNUM_H): Add decimal128Local.h.
1688
1689 2007-09-10  David Daney  <ddaney@avtrex.com>
1690
1691         * config/mips/mips.md (UNSPEC_MEMORY_BARRIER): New entry in
1692         define_constants.
1693         (memory_barrier): Rewrote as an insn that clobbers memory.
1694
1695 2007-09-10  Richard Sandiford  <richard@codesourcery.com>
1696
1697         * config/mips/mips.c (mips_global_pointer): Check
1698         call_really_used_regs instead of call_used_regs.
1699         (mips_save_reg_p): Likewise.  Save all call-saved registers
1700         if current_function_saves_all_registers.  Fix indentation.
1701         No longer treat $18 as a special case.
1702         (compute_frame_size): Guard FPR loop with TARGET_HARD_FLOAT.
1703
1704 2007-09-10  Richard Sandiford  <richard@codesourcery.com>
1705
1706         * config/mips/mips.h (MIPS_ARCH_FLOAT_SPEC): New macro.
1707         * config/mips/mips.c (mips_cpu_info_table): Mention it in the
1708         the introductory comment.
1709         (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Delete.
1710         (override_options): Don't test for it.
1711         * config/mips/sde.h (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Delete.
1712         (DRIVER_SELF_SPECS): Add MIPS_ARCH_FLOAT_SPEC.
1713         * config/mips/vr.h: As for config/mips/sde.h.
1714
1715 2007-09-10  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1716             Revital Eres  <eres@il.ibm.com>
1717
1718         * target.h (struct gcc_target.sched): New field: sms_res_mii.
1719         (struct ddg): Define.
1720         * target-def.h (TARGET_SCHED_SMS_RES_MII): Define.
1721         (TARGET_SCHED): Add TARGET_SCHED_SMS_RES_MII.
1722         * config/spu/spu.c: Include ddg.h.
1723         (TARGET_SCHED_SMS_RES_MII): Define.
1724         (spu_sms_res_mii): New function to calculate mii.
1725         * modulo-sched (res_MII): Use it.
1726         * doc/tm.texi: Document TARGET_SCHED_SMS_RES_MII.
1727
1728 2007-09-10  Andreas Krebbel  <krebbel1@de.ibm.com>
1729
1730         * config/s390/s390.c (s390_dump_pool): Create copy of constant
1731         pool entries since they might hold values that must not be shared.
1732
1733 2007-09-10  Uros Bizjak  <ubizjak@gmail.com>
1734
1735         PR target/33369
1736         * gcc/config/i386/sse.md (ashr<mode>3): Change op2 mode to SImode.
1737         Use 'N' operand constraint for op2.
1738         (lshr<mode>3): Ditto.
1739         (ashl<mode>3): Ditto.
1740         (vec_shl_<mode>): Use const_0_to_255_mul_8_operand predicate for op2.
1741         (vec_shr_<mode>): Ditto.
1742         * gcc/config/i386/i386.c (ix86_expand_builtin) [IX86_BUILTIN_PSLL?128,
1743         IX86_BUILTIN_PSRA*?128, IX86_BUILTIN_PSRL?128]: Convert op1 to SImode.
1744
1745 2007-09-10  Andreas Krebbel  <krebbel1@de.ibm.com>
1746
1747         * config/s390/s390.md ("fixuns_trunc<BFP:mode><GPR:mode>2"):
1748         Change mode macro in the last real_2expN parameter to uppercase.
1749
1750 2007-09-10  Michael Matz  <matz@suse.de>
1751
1752         * tree-pass.h (pass_cselim): Declare new pass.
1753         * passes.c (init_optimization_passes): Link in pass_cselim.
1754         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Renamed from
1755         tree_ssa_phiopt; add do_store_elim parameter, handle it by calling
1756         cond_store_replacement.
1757         (condstoretemp): New static variable.
1758         (cond_store_replacement): New function.
1759         (tree_ssa_phiopt, tree_ssa_cs_elim): New wrappers around
1760         tree_ssa_phiopt_worker.
1761         (struct name_to_bb): New.
1762         (get_non_trapping, name_to_bb_hash, name_to_bb_eq, add_or_mark_expr,
1763         nt_init_block, nt_fini_block): New static functions.
1764         (seen_ssa_names, nontrap_set): New static variables.
1765         (gate_cselim, pass_cselim): Define new pass.
1766         * common.opt (ftree-cselim): New flag.
1767         * toplev.c (process_options): Set flag_tree_cselim if required.
1768
1769 2007-09-10  Hans-Peter Nilsson  <hp@axis.com>
1770
1771         * simplify-rtx.c (simplify_relational_operation_1): For recent
1772         canonicalization, don't recurse if op1 equals both PLUS arguments.
1773
1774 2007-09-09  David Daney  <ddaney@avtrex.com>
1775
1776         * optabs.c (expand_sync_operation):  Use plus insn if minus
1777         CONST_INT_P(val).
1778         (expand_sync_fetch_operation):  Ditto.
1779
1780 2007-09-09  H.J. Lu  <hongjiu.lu@intel.com>
1781
1782         * i386.md (*floatsisf2_mixed_vector): Use cvtdq2ps instead
1783         of cvtpq2ps.
1784         (*floatsisf2_sse_vector): Likewise.
1785
1786 2007-09-09  Krister Walfridsson  <cato@df.lth.se>
1787
1788         * config/netbsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
1789
1790 2007-09-09  H.J. Lu  <hongjiu.lu@intel.com>
1791
1792         * config/i386/i386.h (ix86_tune_indices): Rename
1793         X86_USE_VECTOR_CONVERTS to X86_TUNE_USE_VECTOR_CONVERTS.
1794         (TARGET_USE_VECTOR_CONVERTS): Updated.
1795         * config/i386/i386.c: Likewise.
1796
1797 2007-09-09  Sandra Loosemore  <sandra@codesourcery.com>
1798             Nigel Stephens <nigel@mips.com>
1799
1800         * doc/invoke.texi (Overall Options):  Add .sx file extension
1801         as a synonym for .S.
1802         * cppspec.c (known_suffixes): Likewise.
1803         * gcc.c (default_compilers): Likewise.
1804
1805 2007-09-09  Rask Ingemann Lambertsen  <rask@sygehus.dk>
1806
1807         PR target/30315
1808         * config/i386/i386.h (CANONICALIZE_COMPARISON): Delete.
1809         * simplify-rtx.c (simplify_relational_operation_1): Add the
1810         canonicalization from i386.h.
1811         * doc/md.texi (Canonicalization of Instructions): Document it.
1812
1813 2007-09-09  Jan Hubicka  <jh@suse.cz>
1814             Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
1815
1816         * i386.h (ix86_tune_indices): Add X86_USE_VECTOR_CONVERTS.
1817         (TARGET_USE_VECTOR_CONVERTS): New.
1818         * i386.md: New post-reload splitters for converting SF to DF and DF to
1819         SF.
1820         (floatsi* expander): Special case vector conversions.
1821         (floatsisf2_mixed_vector, floatsisf2_sse_vector_nointernunit,
1822         floatsisf2_sse_vector_internunit, floatsisf2_sse_vector,
1823         floatsidf2_mixed_vector, floatsidf2_sse_vector): New.
1824         (floatsisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse):
1825         Disable when doing vector converts.
1826         (floatsi<mode>2_i387): Disable when
1827         * sse.md (vec_dupv2df): Export.
1828         * i386.c (ix86_tune_features): Enable SSE conversions.
1829
1830 2007-09-09  Richard Guenther  <rguenther@suse.de>
1831
1832         * tree-ssa-operands.c (add_virtual_operand): Only mark
1833         stores as has_volatile_ops if alias information is not available.
1834
1835 2007-09-09  Revital Eres  <eres@il.ibm.com>
1836
1837         * doc/contrib.texi: Add myself.
1838
1839 2007-09-09  Ira Rosen  <irar@il.ibm.com>
1840
1841         * tree-vectorizer.h (stmt_vinfo_set_inside_of_loop_cost,
1842         stmt_vinfo_set_outside_of_loop_cost): New functions.
1843         * tree-vect-transform.c (vect_get_cost_fields): Remove.
1844         (vect_model_simple_cost): Call
1845         stmt_vinfo_set_inside/outside_of_loop_cost to set the relevant cost
1846         field instead of calling vect_get_cost_fields.
1847         (vect_model_store_cost, vect_model_load_cost): Likewise.
1848
1849 2007-09-09  Revital Eres  <eres@il.ibm.com>
1850
1851         * config/rs6000/rs6000.c (paired_init_builtins): Add const
1852         declaration to bdesc_paired_preds variable.
1853         (paired_expand_builtin): Likewise.
1854
1855 2007-09-09  Revital Eres  <eres@il.ibm.com>
1856
1857         * dbgcnt.def (sms_sched_loop): New counter.
1858         * modulo-sched.c: Use sms_sched_loop instead of
1859         MAX_SMS_LOOP_NUMBER to determine the maximum number of loops to
1860         perform swing modulo scheduling on.  Include dbgcnt.h.
1861         * Makefile.in: Add DBGCNT_H to modulo-sched.o.
1862         * params.def: Remove PARAM_MAX_SMS_LOOP_NUMBER.
1863
1864 2007-09-09  Uros Bizjak  <ubizjak@gmail.com>
1865
1866         * config/i386/i386.md (X87MODEF12, SSEMODEF): Remove mode iterators.
1867         Substitute all uses with ...
1868         (MODEF): New mode iterator.
1869
1870         (fix_trunc<mode>_fisttp_i387_1): Remove operand constraints
1871         from pre-regalloc define_insn_and_split splitter pattern.
1872         (*fix_trunc<mode>_i387_1): Ditto.
1873         (*fistdi2_1): Ditto.
1874         (*fist<mode>2_1): Ditto.
1875         (frndintxf2_floor): Ditto.
1876         (*fist<mode>2_floor_1): Ditto.
1877         (frndintxf2_ceil): Ditto.
1878         (*fist<mode>2_ceil_1): Ditto.
1879         (frndintxf2_trunc): Ditto.
1880         (frndintxf2_mask_pm): Ditto.
1881
1882         (prologue): Use (const_int 0) as never generated filler insn.
1883         (epilogue): Ditto.
1884         (sibcall_epilogue): Ditto.
1885         (eh_return_si): Ditto.
1886         (eh_return_di): Ditto.
1887
1888         (add<mode>3): Rename from adddf3 and addsf3.  Macroize expander
1889         using MODEF mode iterator.
1890         (sub<mode>3): Rename from subdf3 and subsf3.  Macroize expander
1891         using MODEF mode iterator.
1892         (mul<mode>3): Rename from muldf3 and mulsf3.  Macroize expander
1893         using MODEF mode iterator.
1894         (nearbyint<mode>2): Rename from nearbyintdf2 and nearbyintsf2.
1895         Macroize expander using MODEF mode iterator.
1896
1897         (zero_extendsidi2): Remove operand constraints from expander.
1898         (smuldi3_highpart): Ditto.
1899         (indirect_jump): Ditto.
1900         (tablejump): Ditto.
1901         (rsqrtsf2): Ditto.
1902         * config/i386/sse.md (storentv4sf): Ditto.
1903         (storentv2df): Ditto.
1904         (storentv2di): Ditto.
1905         (storentsi): Ditto.
1906         (sse2_cvtpd2ps): Ditto.
1907         (vec_interleave_highv16qi): Ditto.
1908         (vec_interleave_lowv16qi): Ditto.
1909         (vec_interleave_highv8hi): Ditto.
1910         (vec_interleave_lowv8hi): Ditto.
1911         (vec_interleave_highv4si): Ditto.
1912         (vec_interleave_lowv4si): Ditto.
1913         (vec_interleave_highv2di): Ditto.
1914         (vec_interleave_lowv2di): Ditto.
1915         (sse2_maskmovdqu): Ditto.
1916         * config/i386/mmx.md (mmx_maskmovq): Ditto.
1917
1918 2007-09-09  Ira Rosen  <irar@il.ibm.com>
1919
1920         * tree-vectorizer.h (enum vect_def_type): Start enumeration from 1.
1921         (struct _slp_tree, struct _slp_instance): Define new data structures
1922         along macros for their access.
1923         (struct _loop_vec_info): Define new fields: strided_stores,
1924         slp_instances, and slp_unrolling_factor along macros for their access.
1925         (enum slp_vect_type): New.
1926         (struct _stmt_vec_info): Define new field, slp_type, and macros for its
1927         access.
1928         (STMT_VINFO_STRIDED_ACCESS): New macro.
1929         (vect_free_slp_tree): Declare.
1930         (vectorizable_load): Add an argument of type slp_tree.
1931         (vectorizable_store, vectorizable_operation, vectorizable_conversion,
1932         vectorizable_assignment): Likewise.
1933         (vect_model_simple_cost, vect_model_store_cost, vect_model_load_cost):
1934         Declare (make extern).
1935         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
1936         (new_loop_vec_info): Likewise.
1937         (destroy_loop_vec_info): Free memory allocated for SLP structures.
1938         * tree-vect-analyze.c: Include recog.h.
1939         (vect_update_slp_costs_according_to_vf): New.
1940         (vect_analyze_operations): Add argument for calls to vectorizable_ ()
1941         functions. For not pure SLP stmts with strided access check that the
1942         group size is power of 2. Update the vectorization factor according to
1943         SLP. Call vect_update_slp_costs_according_to_vf.
1944         (vect_analyze_group_access): New.
1945         (vect_analyze_data_ref_access): Call vect_analyze_group_access.
1946         (vect_free_slp_tree): New functions.
1947         (vect_get_and_check_slp_defs, vect_build_slp_tree, vect_print_slp_tree,
1948         vect_mark_slp_stmts, vect_analyze_slp_instance, vect_analyze_slp,
1949         vect_make_slp_decision, vect_detect_hybrid_slp_stmts,
1950         vect_detect_hybrid_slp): Likewise.
1951         (vect_analyze_loop): Call vect_analyze_slp, vect_make_slp_decision
1952         and vect_detect_hybrid_slp.
1953         * tree-vect-transform.c (vect_estimate_min_profitable_iters): Take
1954         SLP costs into account.
1955         (vect_get_cost_fields): New function.
1956         (vect_model_simple_cost): Make extern, add SLP parameter and handle
1957         SLP.
1958         (vect_model_store_cost, vect_model_load_cost): Likewise.
1959         (vect_get_constant_vectors): New function.
1960         (vect_get_slp_vect_defs, vect_get_slp_defs,
1961         vect_get_vec_defs_for_stmt_copy, vect_get_vec_defs_for_stmt_copy,
1962         vect_get_vec_defs): Likewise.
1963         (vectorizable_reduction): Don't handle SLP for now.
1964         (vectorizable_call): Don't handle SLP for now. Add argument to
1965         vect_model_simple_cost.
1966         (vectorizable_conversion): Handle SLP (call vect_get_vec_defs to
1967         get SLPed and vectorized defs). Fix indentation and spacing.
1968         (vectorizable_assignment): Handle SLP.
1969         (vectorizable_induction): Don't handle SLP for now.
1970         (vectorizable_operation): Likewise.
1971         (vectorizable_type_demotion): Add argument to
1972         vect_model_simple_cost.
1973         (vectorizable_type_promotion): Likewise.
1974         (vectorizable_store, vectorizable_load): Handle SLP.
1975         (vectorizable_condition): Don't handle SLP for now.
1976         (vect_transform_stmt): Add a new argument for SLP. Check that there is
1977         no SLP transformation required for unsupported cases. Add SLP
1978         argument for supported cases.
1979         (vect_remove_stores): New function.
1980         (vect_schedule_slp_instance, vect_schedule_slp): Likewise.
1981         (vect_transform_loop): Schedule SLP instances.
1982         * Makefile.in: (tree-vect-analyze.o): Depend on recog.h.
1983
1984 2007-09-09  Andrew Haley  <aph@redhat.com>
1985
1986         * optabs.c (sign_expand_binop): Set libcall_gen = NULL in the
1987         fake signed optab.
1988
1989 2007-09-09  Hans-Peter Nilsson  <hp@axis.com>
1990
1991         Divide REG_LABEL notes into REG_LABEL_OPERAND and REG_LABEL_TARGET.
1992         * doc/rtl.texi (Insns): Specify when a label_ref makes a jump_insn.
1993         Similar for what label_refs can go in the JUMP_TARGET field.  Split
1994         REG_LABEL documentation into REG_LABEL_TARGET and REG_LABEL_OPERAND.
1995         * reload.c (find_reloads): Generate REG_LABEL_OPERAND, not
1996         REG_LABEL when replacing an operand with a LABEL_REF for a
1997         non-jump insn.
1998         (subst_reloads): When replacing a LABEL_REG with a register,
1999         instead of generating a REG_LABEL note, assert that there already
2000         is one or that the label is a known target for the insn.
2001         * rtlanal.c (computed_jump_p): Instead of looking for a REG_LABEL
2002         note, check the JUMP_LABEL field.  Remove "else" after return.
2003         * reorg.c (emit_delay_sequence): Replace case for REG_LABEL with
2004         cases for REG_LABEL_OPERAND and REG_LABEL_TARGET.
2005         (fill_slots_from_thread): Handle both REG_LABEL_OPERAND and
2006         REG_LABEL_TARGET notes, including the JUMP_TARGET field on JUMP_P
2007         insns.  Iterate over all notes; don't assume there's only one.
2008         * cse.c (recorded_label_ref): Adjust comment to refer to
2009         REG_LABEL_OPERAND.
2010         (cse_extended_basic_block): Do LABEL_REF check for all INSN_P
2011         insns, not just NONJUMP_INSN_P.
2012         (check_for_label_ref): For JUMP_P insns, check that the LABEL_REF
2013         isn't a jump target.
2014         * jump.c (rebuild_jump_labels): Adjust head comment.
2015         (init_label_info): Ditto.  Remove REG_LABEL_OPERAND notes only;
2016         don't reset REG_LABEL_TARGET notes, including the JUMP_LABEL field.
2017         (mark_all_labels): For JUMP_P insns without a target, check if the
2018         the target is noted on the previous nonjump insn.
2019         (mark_jump_label_1): New function, guts from mark_jump_label.
2020         <case IF_THEN_ELSE>: Handle first operand as a non-target when
2021         marking jump target labels.
2022         <case LABEL_REF>: Adjust for whether to generate a
2023         REG_LABEL_TARGET or a REG_LABEL_OPERAND note.
2024         For 'E' format rtl, iterate in descending element order.
2025         (delete_related_insns): Handle both REG_LABEL_TARGET and
2026         REG_LABEL_OPERAND notes.  For JUMP_P insns with labels with zero
2027         reference count, delete and fallthrough.  Move finding-next-
2028         non-deleted insn last in the function.  Look at all INSN_P insns
2029         for REG_LABEL_OPERAND notes.
2030         (redirect_jump_2): Assert that OLABEL equals the old JUMP_LABEL of
2031         JUMP.
2032         * print-rtl.c (print_rtx): For JUMP_P insns and a non-NULL
2033         JUMP_LABEL, output the INSN_UID of it.
2034         * gcse.c: Adjust comments as appropriate to say REG_LABEL_OPERAND
2035         and/or REG_LABEL_TARGET.
2036         (add_label_notes): Only add REG_LABEL_OPERAND notes.  Put in line
2037         with jump.c copy by only adding notes for labels actually
2038         referenced in the insn.
2039         * emit-rtl.c (try_split): Don't assume only NONJUMP_INSN_P need
2040         usage count increment; handle all INSN_P trial insns.
2041         (emit_copy_of_insn_after): Change to not copy REG_LABEL_OPERAND
2042         notes.
2043         * rtl.h (struct rtx_def) <volatil>: Adjust to mention
2044         REG_LABEL_TARGET and REG_LABEL_OPERAND.
2045         (LABEL_REF_NONLOCAL_P): Allow REG_LABEL_TARGET and
2046         REG_LABEL_OPERAND.
2047         * combine.c (distribute_notes): Adjust for REG_LABEL_TARGET on
2048         JUMP_P insns and REG_LABEL_OPERAND everywhere.
2049         * sched-rgn.c (is_cfg_nonregular): Check for REG_LABEL_OPERANDS
2050         on all INSN_P insns.
2051         * reg-notes.def (LABEL_TARGET, LABEL_OPERAND): Split from LABEL.
2052         * cfgrtl.c (delete_insn): Adjust to handle REG_LABEL_TARGET and
2053         REG_LABEL_OPERAND notes.
2054         * reload1.c (calculate_needs_all_insns): Adjust comments.
2055         (set_label_offsets): Adjust to look for REG_LABEL_OPERAND notes.
2056         * config/alpha/alpha.md (split for load of an address into a
2057         four-insn sequence on Unicos/Mk): Adjust to use
2058         REG_LABEL_OPERAND.
2059         * config/sh/sh.md (sh_reorg, final_prescan_insn): Ditto.
2060
2061 2007-09-09  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2062
2063         Revert:
2064         2007-09-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2065         * regrename.c (copyprop_hardreg_forward_1): New variable next. Use
2066         FOR_BB_INSNS_SAFE instead of for loop.
2067         * cse.c (cse_extended_basic_block): Likewise.
2068         * postreload.c (reload_cse_regs_1): New variable next. Make sure
2069         that the for loop does not invoke NEXT_INSN on a deleted insn.
2070         * function.c (instantiate_virtual_regs): Likewise.
2071         * lower-subreg.c (remove_retval_note): Likewise.
2072         (decompose_multiword_subregs): Use FOR_BB_INSNS_SAFE instead of
2073         FOR_BB_INSNS.
2074         * emit-rtl.c (remove_insn): Set NEXT_INSN and PREV_INSN to NULL on
2075         a deleted insn.
2076         * cfgrtl.c (delete_insn): Set JUMP_LABEL to NULL on a deleted
2077         insn, if it's a jump.
2078         (try_redirect_by_replacing_jump): New variable jump_p. Call
2079         tablejump_p before delete_insn_chain.
2080         * reload1.c (reload): New variable next. Make sure that the for
2081         loop does not invoke NEXT_INSN on a deleted insn.
2082         (fixup_eh_region_note): Make the loop terminate if i becomes NULL.
2083         (delete_output_reload): New variable prev. Make sure the the for
2084         loops do not invoke PREV_INSN on a deleted insn.
2085
2086 2007-09-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2087
2088         * pa/constraints.md: Remove 'X' from unused letters comment.
2089
2090 2007-09-08  Richard Guenther  <rguenther@suse.de>
2091
2092         * tree-tailcall.c (find_tail_calls): If we don't have aliases
2093         computed check stmt_ann->references_memory instead of counting
2094         virtual operands.
2095  
2096 2007-09-08  Segher Boessenkool  <segher@kernel.crashing.org>
2097
2098         * cse.c (fold_rtx): Use validate_unshare_change() instead of
2099         validate_change() in one more case.
2100
2101 2007-09-08  Zdenek Dvorak  <ook@ucw.cz>
2102
2103         PR tree-optimization/32283
2104         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Use
2105         estimated_loop_iterations.
2106         (determine_use_iv_cost_condition): Decrease cost of expressions
2107         used in iv elimination.
2108
2109 2007-09-08  Richard Guenther  <rguenther@suse.de>
2110
2111         * tree-cfg.c (verify_gimple_expr): Avoid building new
2112         pointer types, use TYPE_POINTER_TO if available instead.
2113
2114 2007-09-08  Uros Bizjak  <ubizjak@gmail.com>
2115
2116         PR target/33329
2117         PR rtl-optimization/26449
2118         * config/i386/sse.md (mulv4si3): Do not expand sse2 sequence.
2119         (*sse2_mulv4si3): New define_insn_and_split pattern. Split insn in
2120         split1 pass.
2121         (mulv16qi3): Implement as define_insn_and_split pattern instead of
2122         define_expand.  Split insn in split1 pass.
2123         (mulv2di3): Ditto.
2124
2125 2007-09-08  Dorit Nuzman  <dorit@il.ibm.com>
2126
2127         PR tree-optimization/33301
2128         * tree-vect-analyze (analyze_operations): Look at the type of the rhs
2129         when relevant.
2130
2131 2007-09-07  Zdenek Dvorak  <ook@ucw.cz>
2132
2133         PR tree-optimization/32183
2134         * Makefile.in (tree-ssa-reassoc.o): Also depend on $(CFGLOOP_H).
2135
2136         * tree-ssa-reassoc.c: Include cfgloop.h.
2137         (is_reassociable_op): Add a loop argument and return true only
2138         for inside loop.
2139         (linearize_expr): Updated.
2140         (should_break_up_subtract): Likewise.
2141         (linearize_expr_tree): Likewise.
2142         (init_reassoc): Call loop_optimizer_init with
2143         AVOID_CFG_MODIFICATIONS.  Remove calculate_dominance_info call
2144         with CDI_DOMINATORS.
2145         (fini_reassoc): Call loop_optimizer_finalize.
2146
2147 2007-09-07  Sterling Augustine  <sterling@tensilica.com>
2148
2149         * config/xtensa/lib2funcs.S (__xtensa_sync_caches): Use an ISYNC even
2150         if there is no i-cache.
2151
2152 2007-09-07  Richard Guenther  <rguenther@suse.de>
2153
2154         Reapply
2155         2007-09-06  Richard Guenther  <rguenther@suse.de>
2156
2157         PR tree-optimization/32586
2158         * tree-ssa-sccvn.c (simplify_binary_expression): Avoid
2159         folding if nothing changed.
2160         (simplify_unary_expression): New function.  Do tree combining
2161         on conversion like codes.
2162         (try_to_simplify): Call it.
2163
2164 2007-09-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2165
2166         PR target/33286
2167         * gthr-posix.h (__gthread_active_p): Add implementation for hppa-hpux.
2168         (__gthread_active,__gthread_start, __gthread_active_init): New.
2169         * gthr-posix95.h: Likewise.
2170
2171 2007-09-07  Roman Zippel <zippel@linux-m68k.org>
2172
2173         * function.h (struct function): Rename calls_unwind_init
2174         to saves_all_registers.
2175         (current_function_saves_all_registers): Renamed from
2176         current_function_calls_unwind_init.
2177         * reload1.c (reload): Set current_function_saves_all_registers.
2178         * except.c (expand_builtin_unwind_init): Likewise.
2179         * config/m68k/m68k.c (m68k_save_reg): Use
2180         current_function_saves_all_registers to save pic register.
2181
2182 2007-09-07  Janis Johnson  <janis187@us.ibm.com>
2183
2184         config/m68k/m68k.c (floating_exact_log2): Update call to real_2expN.
2185         config/s390/s390.md (fixuns_trunc<BFP:mode><GPR:mode>2): Ditto.
2186
2187         Reapply reverted changes:
2188
2189         2007-09-06  Jan Hubicka  <jh@suse.cz>
2190  
2191         * config/i386.c (ix86_expand_lround, ix86_expand_round): Update call of
2192         real_2expN.
2193
2194         2007-09-06  Richard Sandiford  <richard@codesourcery.com>
2195
2196         * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2)
2197         (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN.
2198
2199         2007-09-05  Janis Johnson  <janis187@us.ibm.com>
2200
2201         * optabs.c (expand_float): Convert unsigned integer as signed only
2202         if it provides sufficient accuracy; add mode argument to real_2expN.
2203         (expand_fix): Fix comment typos; extend binary float into mode
2204         wider than destination for converion to unsigned integer; add mode
2205         argument to real_2expN.
2206         * real.c (real_2expN): Add mode argument to special-case decimal
2207         float values.
2208         * real.h (real_2expN): Ditto.
2209         * fixed-value.c (check_real_for_fixed_mode): Add mode argument to
2210         real_2expN.
2211         (fixed_from_string): Ditto.
2212         (fixed_to_decimal): Ditto.
2213         (fixed_convert_from_real): Ditto.
2214         (real_convert_from_fixed): Ditto.
2215         * config/rs6000/rs6000.md (FP): Include DD and TD modes.
2216         * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3,
2217         muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1,
2218         floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New.
2219
2220 2007-09-07  Diego Novillo  <dnovillo@google.com>
2221
2222         * tree-flow.h (const_block_stmt_iterator): Remove.
2223         Update all users to use block_stmt_iterator.
2224         * tree-iterator.h (const_tree_stmt_iterator): Remove.
2225         Update all users to use tree_stmt_iterator.
2226
2227 2007-09-07  Sandra Loosemore  <sandra@codesourcery.com>
2228
2229         * config/mips/mips.c (mips_set_current_function): Temporarily
2230         make this a no-op to fix bootstrap errors, pending rewrite.
2231
2232 2007-09-07  Jan Hubicka  <jh@suse.cz>
2233
2234         * reorg.c (dbr_schedule): Move code removing placeholder USEs later
2235         in the pass.
2236
2237 2007-09-07  Dorit Nuzman  <dorit@il.ibm.com>
2238
2239         PR tree-optimization/33299
2240         * tree-vect-transform.c (vect_create_epilog_for_reduction): Update
2241         uses for all relevant loop-exit phis, not just the first.
2242
2243 2007-09-07  Richard Guenther  <rguenther@suse.de>
2244
2245         PR middle-end/33330
2246         * tree-ssa-operands.c (access_can_touch_variable): An access
2247         of the form (*p)[0] can touch a variable of same size.
2248
2249 2007-09-07  Jan Hubicka  <jh@suse.cz>
2250
2251         * passes.c (init_optimization_passes): Add simple dce and addressable
2252         passes.
2253         * tree-ssa.c (execute_update_addresses_taken): New function.
2254         (pass_update_address_taken): New.
2255         * tree-ssa-dse.c (execute_simple_dse): New function.
2256         (pass_simple_dse): New.
2257         * tree-pass.h (pass_simple_dse, pass_update_address_taken): Declare.
2258
2259 2007-09-07  Tobias Burnus  <burnus@net-b.de>
2260
2261         PR middle-end/33321
2262         * doc/invoke.texi: Fix -Wstrict-overflow= table.
2263
2264 2007-09-07  Richard Guenther  <rguenther@suse.de>
2265
2266         Revert
2267         2007-09-06  Richard Guenther  <rguenther@suse.de>
2268
2269         PR tree-optimization/32586
2270         * tree-ssa-sccvn.c (simplify_binary_expression): Avoid
2271         folding if nothing changed.
2272         (simplify_unary_expression): New function.  Do tree combining
2273         on conversion like codes.
2274         (try_to_simplify): Call it.
2275
2276 2007-09-07  Richard Guenther  <rguenther@suse.de>
2277             Uros Bizjak  <ubizjak@gmail.com>
2278
2279         PR tree-optimization/32821
2280         * tree_if_conv.c (combine_blocks): Use alloc_stmt_list instead of
2281         NULL in the call to set_bb_stmt_list.
2282
2283 2007-09-07  Richard Sandiford  <richard@codesourcery.com>
2284
2285         * config/mips/mips.c (build_mips16_call_stub): Emit all direct
2286         float calls here, rather than leaving some to the caller.
2287         Use call_internal_direct and call_value_internal_direct.
2288         * config/mips/mips.md (call_internal_direct): New pattern.
2289         (call_value_internal_direct): Likewise.
2290
2291 2007-09-07  Richard Sandiford  <richard@codesourcery.com>
2292
2293         * config/mips/mips.c (mips_base_move_loop_invariants): New variable.
2294         (mips_set_mips16_mode): Restore flag_move_loop_invariants, then set
2295         to 0 for MIPS16.
2296         (override_options): Set mips_base_move_loop_invariants.
2297
2298 2007-09-07  Richard Sandiford  <richard@codesourcery.com>
2299
2300         * config/mips/mips.opt (mcode-readable=): Move to keep list
2301         alphabetical.
2302
2303 2007-09-07  Richard Sandiford  <richard@codesourcery.com>
2304
2305         * doc/invoke.texi: Document the MIPS -mlocal-sdata, -mextern-sdata
2306         and -mgpopt options.  Adjust the -G documentation to match.
2307         * config/mips/mips.opt (mextern-data, mgpopt, mlocal-data): New.
2308         * config/mips/mips.c (mips_rtx_constant_in_small_data_p): New
2309         function, split out from mips_classify_symbol.  Return false for
2310         !TARGET_LOCAL_SDATA.
2311         (mips_classify_symbol): Call mips_rtx_constant_in_small_data_p.
2312         Only use GP-relative accesses for non-pool symbols if TARGET_GPOPT.
2313         (override_options): Check whether the -mgpopt setting is consistent
2314         with the other flags.
2315         (symbolic_expression_p): Delete.
2316         (mips_select_rtx_section): Use mips_rtx_constant_in_small_data_p
2317         and default_elf_select_rtx_section.
2318         (mips_in_small_data_p): Honor section attributes for MIPS16 too.
2319         Return false for local data unless TARGET_LOCAL_SDATA.  Likewise
2320         external data and TARGET_EXTERN_SDATA.
2321
2322 2007-09-07  Tobias Burnus  <burnus@net-b.de>
2323
2324         PR fortran/33303
2325         * doc/cpp.texi (Common Predefined Macros): Add __GFORTRAN__.
2326
2327 2007-09-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2328
2329         * regrename.c (copyprop_hardreg_forward_1): New variable next. Use
2330         FOR_BB_INSNS_SAFE instead of for loop.
2331         * cse.c (cse_extended_basic_block): Likewise.
2332         * postreload.c (reload_cse_regs_1): New variable next. Make sure
2333         that the for loop does not invoke NEXT_INSN on a deleted insn.
2334         * function.c (instantiate_virtual_regs): Likewise.
2335         * lower-subreg.c (remove_retval_note): Likewise.
2336         (decompose_multiword_subregs): Use FOR_BB_INSNS_SAFE instead of
2337         FOR_BB_INSNS.
2338         * emit-rtl.c (remove_insn): Set NEXT_INSN and PREV_INSN to NULL on
2339         a deleted insn.
2340         * cfgrtl.c (delete_insn): Set JUMP_LABEL to NULL on a deleted
2341         insn, if it's a jump.
2342         (try_redirect_by_replacing_jump): New variable jump_p. Call
2343         tablejump_p before delete_insn_chain.
2344         * reload1.c (reload): New variable next. Make sure that the for
2345         loop does not invoke NEXT_INSN on a deleted insn.
2346         (fixup_eh_region_note): Make the loop terminate if i becomes NULL.
2347         (delete_output_reload): New variable prev. Make sure the the for
2348         loops do not invoke PREV_INSN on a deleted insn.
2349
2350 2007-09-06  Zdenek Dvorak  <ook@ucw.cz>
2351
2352         * cgraphbuild.c (rebuild_cgraph_edges): Export.
2353         * cgraph.h (rebuild_cgraph_edges): Declare.
2354         * tree-pass.h (pass_expand_omp_ssa): New.
2355         * omp-low.c (find_omp_clause): Export.
2356         (copy_var_decl): Split from omp_copy_decl_2.
2357         (build_omp_barrier): Return the call to emit instead of emitting
2358         it directly.
2359         (lower_rec_input_clauses, expand_omp_single): Gimplify the result of
2360         build_omp_barrier.
2361         (extract_omp_for_data, expand_parallel_call, expand_omp_parallel,
2362         expand_omp_for_generic, expand_omp_for_static_nochunk,
2363         expand_omp_for_static_chunk, expand_omp_for, expand_omp_sections):
2364         Adapted to work on SSA form.
2365         (execute_expand_omp): Do not invalidate dominance information.
2366         (gate_expand_omp): Do not run with -fopenmp-ssa flag.
2367         (gate_expand_omp_ssa, pass_expand_omp_ssa): New.
2368         * gimplify.c (gimplify_omp_for): Ensure that the control variable is
2369         a gimple_reg.
2370         (force_gimple_operand): Allow gimplifying code expressions without
2371         value.
2372         * tree-predcom.c (mark_virtual_ops_for_renaming): Handle phi nodes.
2373         * common.opt (fopenmp-ssa): New.
2374         * tree-flow.h (find_omp_clause, copy_var_decl): Declare.
2375         * Makefile.in (tree-cfg.o): Add TREE_INLINE_H dependency.
2376         * tree-cfg.c: Include tree-inline.h.
2377         (struct move_stmt_d): Replace vars_to_remove by vars_map field.
2378         (replace_by_duplicate_decl, replace_ssa_name,
2379         mark_virtual_ops_in_region): New functions.
2380         (move_stmt_r, move_block_to_fn, move_sese_region_to_fn): Adapted
2381         to work on SSA form.
2382         * passes.c (init_optimization_passes): Add pass_expand_omp_ssa pass.
2383         * tree-ssa-operands.c (get_expr_operands): Handle operands of OMP
2384         constructs.
2385
2386 2007-09-06  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2387
2388         * tree-loop-linear.c: Include obstack.h.
2389         (linear_transform_loops): New obstack lambda_obstack.
2390         Initialize it, pass it to gcc_loopnest_to_lambda_loopnest,
2391         lambda_loopnest_transform, lambda_loopnest_to_gcc_loopnest calls
2392         and free afterwards.
2393         * lambda.h (struct obstack): New forward declaration.
2394         (lambda_linear_expression_new): New parameter of type struct
2395         obstack *.
2396         (lambda_loopnest_new): Likewise.
2397         (lambda_loopnest_transform): Likewise.
2398         (lambda_body_vector_new): Likewise.
2399         (lambda_body_vector_compute_new): Likewise.
2400         (gcc_loopnest_to_lambda_loopnest): Likewise.
2401         (lambda_loopnest_to_gcc_loopnest): Likewise.
2402         * lambda-code.c: Include obstack.h.
2403         (lambda_lattice_new): New parameter lambda_obstack.  Use it for
2404         allocation of ret.
2405         (lambda_body_vector_new): Likewise.
2406         (lambda_linear_expression_new): Likewise.
2407         (lambda_lattice_new): Likewise.
2408         (lambda_loopnest_new): Likewise.  Additionally use obstack to
2409         allocate LN_LOOPS(ret).
2410         (lambda_lattice_compute_base): New parameter lambda_obstack.  Pass
2411         it to lambda_lattice_new.
2412         (lambda_body_vector_compute_new): New parameter lambda_obstack.
2413         Pass it to lambda_body_vector_new.
2414         (lambda_lattice_compute_base): New paramater lambda_obstack.  Pass
2415         it to lambda_lattice_new.
2416         (compute_nest_using_fourier_motzkin): New parameter lambda_obstack.
2417         Pass it to lambda_loopnest_new, lambda_linear_expression_new.
2418         (lambda_compute_target_space): Likewise.
2419         (lambda_compute_auxillary_space): New parameter lambda_obstack.
2420         Pass it to lambda_lattice_compute_base and
2421         compute_nest_using_fourieer_motzkin.
2422         (lambda_loopnest_transform): New parameter lambda_obstack.  Pass
2423         it to lambda_lattice_compute_base, lambda_lattice_auxillary_space
2424         and lambda_lattice_compute_target_space.
2425         (gcc_tree_to_linear_expression): Nex parameter lambda_obstack.
2426         Pass it to lambda_linear_expression_new.
2427         (gcc_loop_to_lambda_loop): New parameter lambda_obstack.  Pass it
2428         to gcc_tree_to_linear_expression.
2429         (gcc_loopnest_to_lambda_loopnest): New parameter lambda_obstack.
2430         Pass it to gcc_loop_to_lambda_loop and lambda_loopnest_new.
2431         (lambda_loopnest_to_gcc_loopnest): New parameter lambda_obstack.
2432         Pass it to lambda_body_vector_new and
2433         lambda_body_vector_compute_new.
2434         * Makefile.in (tree-loop-linear.o): Add $(OBSTACK_H) dependency.
2435         (lambda-code.o): Likewise.
2436
2437 2007-09-06  Chao-ying Fu  <fu@mips.com>
2438
2439         * ginclude/stdfix.h: New file.
2440         * Makefile.in (USER_H): Add $(srcdir)/ginclude/stdfix.h.
2441         (convert.o): Add dependence on fixed-value.h.
2442         * c-convert.c (convert): Support FIXED_POINT_TYPE.
2443         * c-cppbuiltin.c (builtin_define_fixed_point_constants): New function
2444         to define fixed-point constants.
2445         (c_cpp_builtins): Define fixed-point constants.
2446         * convert.c (fixed-value.h): New include.
2447         (convert_to_real): Update comment to include fixed-point.
2448         Support FIXED_POINT_TYPE.
2449         (convert_to_integer): Update comment to include fixed-point.
2450         Support FIXED_POINT_TYPE.
2451         (convert_to_complex): Support FIXED_POINT_TYPE.
2452         (convert_to_fixed): New function.
2453         * convert.h (convert_to_fixed): Declare.
2454         * genopinit.c: Add comment about $Q for only fixed-point modes.
2455         (optabs): Add fract_optab, fractuns_optab, satfract_optab,
2456         satfractuns_optab, add_optab, ssadd_optab, usadd_optab, sub_optab,
2457         sssub_optab, ussub_optab, smul_optab, ssmul_optab, usmul_optab,
2458         ssmadd_widen_optab, usmadd_widen_optab, ssdiv_optab, udiv_optab,
2459         usdiv_optab, ssashl_optab, usashl_optab, neg_optab, ssneg_optab,
2460         usneg_optab for fixed-point modes.
2461         (gen_insn): Add force_fixed to track the $Q format for all fixed-point
2462         modes.
2463         * optabs.c (optab_for_tree_code): For *DIV_EXPR, LSHIFT_EXPR,
2464         PLUS_EXPR, MINUS_EXPR, MULT_EXPR, NEGATE_EXPR, return signed or
2465         unsigned saturation optabs, when type is saturating.
2466         (shift_optab_p): Return true for SS_ASHIFT or US_ASHIFT.
2467         (expand_fixed_convert): New function.
2468         (gen_fixed_libfunc, gen_signed_fixed_libfunc,
2469         gen_unsigned_fixed_libfunc, gen_int_fp_fixed_libfunc,
2470         gen_int_fp_signed_fixed_libfunc, gen_int_fixed_libfunc,
2471         gen_int_signed_fixed_libfunc, gen_int_unsigned_fixed_libfunc,
2472         gen_fract_conv_libfunc, gen_fractuns_conv_libfunc,
2473         gen_satfract_conv_libfunc, gen_satfractuns_conv_libfunc): New
2474         functions.
2475         (init_optabs): Initialize ssadd_optab, usadd_optab, sssub_optab,
2476         ussub_optab, ssmul_optab, usmul_optab, ssmadd_widen_optab,
2477         usmadd_widen_optab, ssmsub_widen_optab, usmsub_widen_optab,
2478         ssdiv_optab, usdiv_optab, ssashl_optab, usashl_optab, ssneg_optab,
2479         usneg_optab, fract_optab, fractuns_optab, satfract_optab,
2480         satfractuns_optab.
2481         Initialize fixed-point libraries, including add, ssadd, usadd, sub,
2482         sssub, ussub, mul, ssmul, usmul, div, ssdiv, udiv, usdiv, ashl,
2483         ssashl, usashl, ashr, lshr, neg, ssneg, usneg, cmp, fract, satfract,
2484         fractuns, satfractuns.
2485         * optabs.h (enum optab_index): Add OTI_ssadd, OTI_usadd, OTI_sssub,
2486         OTI_ussub, OTI_ssmul, OTI_usmul, OTI_ssdiv, OTI_usdiv, OTI_ssneg,
2487         OTI_usneg, OTI_ssashl, OTI_usashl, OTI_ssmadd_widen, OTI_usmadd_widen,
2488         OTI_ssmsub_widen,  OTI_usmsub_widen.
2489         (ssadd_optab, usadd_optab, sssub_optab, ussub_optab, ssmul_optab,
2490         usmul_optab, ssdiv_optab, usdiv_optab, ssneg_optab, usneg_optab,
2491         ssashl_optab, usashl_optab, ssmadd_widen_optab, usmadd_widen_optab,
2492         umsub_widen_optab, usmsub_widen_optab): Define.
2493         (enum convert_optab_index): Add COI_fract, COI_fractuns, COI_satfract,
2494         COI_satfractuns.
2495         (fract_optab, fractuns_optab, satfract_optab, satfractuns_optab):
2496         Define.
2497         (expand_fixed_convert): Declare.
2498         * expr.c (convert_move): Support the move of fixed-point modes.
2499         (emit_move_insn_1): Handle fixed-point mode to move via integer.
2500         (categorize_ctor_elements_1): Handle FIXED_CST.
2501         (count_type_elements): Handle FIXED_POINT_TYPE.
2502         (expand_expr_real_1): For VECTOR_CST, check MODE_VECTOR_FRACT,
2503         MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
2504         Support FIXED_CST.
2505         For PLUS_EXPR and MINUS_EXPR, support saturating and non-saturating
2506         multiply and add/subtract for fixed-point types.
2507         For MULT_EXPR, *DIV_EXPR, *SHIFT_EXPR, if the mode if a fixed-point
2508         mode, we jump to binop directly.
2509         Support FIXED_CONVERT_EXPR.
2510         (do_store_flag): Check FIXED_CST to put a constant second.
2511         (vector_mode_valid_p): Handle MODE_VECTOR_FRACT,
2512         MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
2513         (const_vector_from_tree): Support FIXED_CST.
2514         * doc/extend.texi (Fixed-Point): New node.
2515         * doc/md.texi (ssadd, usadd, sssub, ussub, ssmul, usmul, ssdiv, usdiv,
2516         ssmadd, usmadd, ssmsub, usmsub, ssashl, usashl, ssneg, usneg, fract,
2517         satfract, fractuns, satfractuns): Document them.
2518
2519 2007-09-07  Bernd Schmidt  <bernd.schmidt@analog.com>
2520
2521         * config/bfin/bfin.h (PREFERRED_RELOAD_CLASS): Don't reload autoinc
2522         addresses into I registers.
2523
2524 2007-09-06  Jan Hubicka  <jh@suse.cz>
2525             Andreas Tobler  <a.tobler@schweiz.org>
2526
2527         * config/darwin.c (machopic_indirect_data_reference): Avoid invalid
2528         sharing.
2529         (machopic_legitimize_pic_address): Likewise.
2530
2531 2007-09-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2532             Jan Hubicka  <jh@suse.cz>
2533
2534         * config/spu/spu.md (floatsidf2): Use convert_optab_libfunc
2535         instead of ufloat_optab->handlers directly.
2536         (floatdidf2): Likewise.
2537
2538 2007-09-06  Sandra Loosemore  <sandra@codesourcery.com>
2539
2540         * config/mips/mips.c:  Include diagnostic.h.
2541         (mips_set_current_function): Check errorcount and sorrycount 
2542         before generating RTL.
2543
2544 2007-09-06  Richard Sandiford  <richard@codesourcery.com>
2545
2546         PR target/33256
2547         * config/mips/mips.c (mips_classify_symbolic_expression): New function.
2548         (mips_classify_address): Use it instead of mips_symbolic_constant_p.
2549         (print_operand_reloc): Likewise.
2550
2551 2007-09-06  Janis Johnson  <janis187@us.ibm.com>
2552
2553         Revert:
2554
2555         2007-09-06  Jan Hubicka  <jh@suse.cz>
2556  
2557         * i386.c (ix86_expand_lround, ix86_expand_round): Update call of
2558         real_2expN.
2559
2560         2007-09-06  Richard Sandiford  <richard@codesourcery.com>
2561
2562         * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2)
2563         (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN.
2564
2565         2007-09-05  Janis Johnson  <janis187@us.ibm.com>
2566
2567         * optabs.c (expand_float): Convert unsigned integer as signed only
2568         if it provides sufficient accuracy; add mode argument to real_2expN.
2569         (expand_fix): Fix comment typos; extend binary float into mode
2570         wider than destination for converion to unsigned integer; add mode
2571         argument to real_2expN.
2572         * real.c (real_2expN): Add mode argument to special-case decimal
2573         float values.
2574         * real.h (real_2expN): Ditto.
2575         * fixed-value.c (check_real_for_fixed_mode): Add mode argument to
2576         real_2expN.
2577         (fixed_from_string): Ditto.
2578         (fixed_to_decimal): Ditto.
2579         (fixed_convert_from_real): Ditto.
2580         (real_convert_from_fixed): Ditto.
2581         * config/rs6000/rs6000.md (FP): Include DD and TD modes.
2582         * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3,
2583         muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1,
2584         floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New.
2585
2586 2007-09-06  Tom Tromey  <tromey@redhat.com>
2587
2588         * tree-cfg.c (remove_bb): Only warn if line is non-zero.
2589         * c-pch.c (c_common_read_pch): Restore current location after
2590         reading PCH file.
2591         * tree.c (expand_location): Update.
2592         (expr_filename): Changed return type.  Unified the two cases.
2593         (expr_lineno): Likewise.
2594         (annotate_with_file_line): Don't use EXPR_LINENO and EXPR_FILENAME
2595         as lvalues.
2596         * toplev.c (line_table): Changed type.
2597         (general_init): Update.
2598         (realloc_for_line_map): New function.
2599         (general_init): Allocate line_table using GC.
2600         * fix-header.c (line_table): Changed type.
2601         (read_scan_file): Update.
2602         (read_scan_file): Update.
2603         * c-ppoutput.c (maybe_print_line): Update.
2604         (print_line): Update.
2605         (cb_line_change): Update.
2606         (cb_define): Update.
2607         (pp_file_change): Update.
2608         * c-opts.c (c_common_init_options): Update.
2609         (finish_options): Update.
2610         (push_command_line_include): Update.
2611         * c-lex.c (cb_line_change): Update.
2612         (cb_def_pragma): Update.
2613         (cb_define): Update.
2614         (cb_undef): Update.
2615         (c_lex_with_flags): Use cpp_get_token_with_location.
2616         * input.h (line_table): Changed type.
2617         (location_from_locus): New macro.
2618         * tree.h (EXPR_FILENAME): No longer an lvalue.
2619         (EXPR_LINENO): Likewise.
2620         (expr_locus, set_expr_locus): Declare separately for
2621         USE_MAPPED_LOCATION.
2622         (expr_filename, expr_lineno): Changed return type.
2623         * gimplify.c (tree_to_gimple_tuple): Use SET_EXPR_LOCUS.
2624         * cfgexpand.c (expand_gimple_cond_expr): Use location_from_locus.
2625         (expand_gimple_basic_block): Likewise.
2626         * final.c (final_scan_insn): Use expanded_location.
2627
2628 2007-09-06  Richard Guenther  <rguenther@suse.de>
2629
2630         PR tree-optimization/32586
2631         * tree-ssa-sccvn.c (simplify_binary_expression): Avoid
2632         folding if nothing changed.
2633         (simplify_unary_expression): New function.  Do tree combining
2634         on conversion like codes.
2635         (try_to_simplify): Call it.
2636         * builtins.c (fold_builtin_cexp): Fold the built expressions.
2637         * fold-const.c (fold_unary): Test result of get_callee_fndecl().
2638
2639 2007-09-06  Jan Hubicka  <jh@suse.cz>
2640
2641         PR target/33318
2642         * cse.c (fold_rtx): Avoid invalid sharing.
2643
2644 2007-09-06  Richard Sandiford  <richard@codesourcery.com>
2645
2646         * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2)
2647         (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN.
2648
2649 2007-09-06  Revital Eres  <eres@il.ibm.com>
2650
2651         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
2652         Fix offsettable memory reference for 750CL.
2653
2654 2007-09-06  Pat Haugen  <pthaugen@us.ibm.com>
2655
2656         * reload.c (find_reloads_address_1): Try to preserve original
2657         base/index regclass of operands.
2658         * regrename.c (scan_rtx_address): Likewise.
2659         (replace_oldest_value_addr): Likewise.
2660
2661 2007-09-06  Richard Guenther  <rguenther@suse.de>
2662
2663         PR tree-optimization/33302
2664         * domwalk.c (walk_dominator_tree): The exit block is
2665         interesting even if it is not reachable.
2666
2667 2007-09-06  Richard Sandiford  <richard@codesourcery.com>
2668
2669         PR middle-end/33306
2670         * optabs.c (avoid_expensive_constant): Do nothing if MODE is VOIDmode.
2671
2672 2007-09-06  Basile Starynkevitch  <basile@starynkevitch.net>
2673
2674         * cfg.c (dump_bb_info, dump_edge_info): Added cfun test for 
2675         robustness.
2676
2677 2007-09-05  Ian Lance Taylor  <iant@google.com>
2678
2679         * tree-pretty-print.c (dump_decl_name): Cast LABEL_DECL_UID to int
2680         when printing.
2681         (dump_generic_node): Likewise.
2682         * print-rtl.c (print_decl_name): Likewise.
2683         * print-tree.c (print_node_brief): Likewise.
2684         (print_node): Likewise.
2685         * Makefile.in (RTL_BASE_H): Add alias.h.
2686         (TREE_H): Likewise.
2687
2688 2007-09-06  Jesper Nilsson  <jesper.nilsson@axis.com>
2689
2690         * longlong.h [__CRIS_arch_version >= 8] (count_trailing_zeros):
2691         Defined.
2692         * config/cris/cris.md (ctzsi2, cris_swap_bits): Implemented.
2693         * config/cris/cris.h (CTZ_DEFINED_VALUE_AT_ZERO): Defined.
2694
2695 2007-09-06  Jie Zhang  <jie.zhang@analog.com>
2696
2697         * config.gcc (tm_file): Add linux.h for bfin*-uclinux*.
2698         (tm_defines): Define UCLIBC_DEFAULT to 1.
2699         (extra_options): Add linux.opt.
2700         * config/bfin/linux.h (CPLUSPLUS_CPP_SPEC): Don't define.
2701         (CRT_CALL_STATIC_FUNCTION): Likewise.
2702         (NO_IMPLICIT_EXTERN_C): Likewise.
2703         (TARGET_OS_CPP_BUILTINS): Define as LINUX_TARGET_OS_CPP_BUILTINS.
2704         * config/bfin/elf.h (OBJECT_FORMAT_ELF): Don't define.
2705         * config/bfin/uclinux.h (CPLUSPLUS_CPP_SPEC): Don't define.
2706         (ENDFILE_SPEC): Don't define.
2707         (LIB_SPEC): Likewise.
2708         (CRT_CALL_STATIC_FUNCTION): Likewise.
2709         (NO_IMPLICIT_EXTERN_C): Likewise.
2710         (LINUX_TARGET_OS_CPP_BUILTINS): Likewise.
2711         (TARGET_OS_CPP_BUILTINS): Define as LINUX_TARGET_OS_CPP_BUILTINS.
2712
2713 2007-09-06  Jan Hubicka  <jh@suse.cz>
2714
2715         * i386.c (ix86_expand_lround, ix86_expand_round): Update call of
2716         real_2expN.
2717
2718 2007-09-06  Jan Hubicka  <jh@suse.cz>
2719
2720         * opts.c (common_handle_option): Enable inlining functions for
2721         -fprofile-generate.
2722
2723 2007-09-06  Jakub Jelinek  <jakub@redhat.com>
2724
2725         * builtin-attrs.def (ATTR_NONNULL_3): New.
2726         (DEF_FORMAT_ATTRIBUTE): Use just ATTR_NONNULL_##FA instead of
2727         ATTR_NOTHROW_NONNULL_##FA.
2728         (DEF_FORMAT_ATTRIBUTE_NOTHROW, DEF_FORMAT_ATTRIBUTE_BOTH): New macros.
2729         (ATTR_FORMAT_PRINTF_NOTHROW_2_0, ATTR_PRINTF_NOTHROW_2_3,
2730         ATTR_FORMAT_PRINTF_NOTHROW_3_0, ATTR_FORMAT_PRINTF_NOTHROW_3_4,
2731         ATTR_FORMAT_PRINTF_NOTHROW_4_0, ATTR_PRINTF_NOTHROW_4_5,
2732         ATTR_FORMAT_PRINTF_NOTHROW_5_0, ATTR_FORMAT_PRINTF_NOTHROW_5_6,
2733         ATTR_FORMAT_SCANF_NOTHROW_2_0, ATTR_FORMAT_SCANF_NOTHROW_2_3,
2734         ATTR_FORMAT_STRFTIME_NOTHROW_3_0, ATTR_FORMAT_STRFMON_NOTHROW_3_4):
2735         New.
2736         (ATTR_FORMAT_PRINTF_4_0, ATTR_PRINTF_4_5, ATTR_FORMAT_PRINTF_5_0,
2737         ATTR_FORMAT_PRINTF_5_6, ATTR_FORMAT_STRFTIME_3_0,
2738         ATTR_FORMAT_NOTHROW_3_4): Remove.
2739         * builtins.def (snprintf, sprintf, sscanf, vsnprintf, vsprintf,
2740         vsscanf, strfmon, strftime, __snprintf_chk, __sprintf_chk,
2741         __vsnprintf_chk, __vsprintf_chk): Use ATTR_FORMAT_*_NOTHROW_*
2742         instead of ATTR_FORMAT_*_*.
2743
2744 2007-09-06  Hans-Peter Nilsson  <hp@axis.com>
2745
2746         * config/cris/cris.c (cris_emit_movem_store): Call copy_rtx on
2747         parts re-used for REG_FRAME_RELATED_EXPR.
2748
2749 2007-09-05  Janis Johnson  <janis187@us.ibm.com>
2750
2751         * optabs.c (expand_float): Convert unsigned integer as signed only
2752         if it provides sufficient accuracy; add mode argument to real_2expN.
2753         (expand_fix): Fix comment typos; extend binary float into mode
2754         wider than destination for converion to unsigned integer; add mode
2755         argument to real_2expN.
2756         * real.c (real_2expN): Add mode argument to special-case decimal
2757         float values.
2758         * real.h (real_2expN): Ditto.
2759         * fixed-value.c (check_real_for_fixed_mode): Add mode argument to
2760         real_2expN.
2761         (fixed_from_string): Ditto.
2762         (fixed_to_decimal): Ditto.
2763         (fixed_convert_from_real): Ditto.
2764         (real_convert_from_fixed): Ditto.
2765         * config/rs6000/rs6000.md (FP): Include DD and TD modes.
2766         * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3,
2767         muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1,
2768         floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New.
2769
2770 2007-09-05  Ian Lance Taylor  <iant@google.com>
2771
2772         * init-regs.c (initialize_uninitialized_regs): Call
2773         emit_insn_before rather than add_insn_before.
2774
2775 2007-09-05  Jakub Jelinek  <jakub@redhat.com>
2776
2777         * builtins.def (BUILT_IN_VA_ARG_PACK): New built-in.
2778         * tree.h (CALL_EXPR_VA_ARG_PACK): Define.
2779         * tree-inline.h (copy_body_data): Add call_expr field.
2780         * tree-inline.c (expand_call_inline): Initialize call_expr.
2781         (copy_bb): Append anonymous inline fn arguments to arguments
2782         when inlining a CALL_EXPR_VA_ARG_PACK call.
2783         * builtins.c (expand_builtin): Issue an error if
2784         BUILT_IN_VA_ARG_PACK is seen during expand.
2785         (fold_call_expr, fold_builtin_call_array): Don't fold
2786         CALL_EXPR_VA_ARG_PACK CALL_EXPRs or calls with
2787         __builtin_va_arg_pack () call as last argument.
2788         * gimplify.c (gimplify_call_expr): If last argument to a vararg
2789         function is __builtin_va_arg_pack (), decrease number of call
2790         arguments and instead set CALL_EXPR_VA_ARG_PACK on the CALL_EXPR.
2791         * expr.c (expand_expr_real_1): Issue an error if
2792         CALL_EXPR_VA_ARG_PACK CALL_EXPR is seen during expand.
2793         * tree-pretty-print.c (dump_generic_node): Handle printing
2794         CALL_EXPR_VA_ARG_PACK bit on CALL_EXPRs.
2795         * doc/extend.texi (__builtin_va_arg_pack): Document.
2796
2797 2007-09-05  Adam Nemet  <anemet@caviumnetworks.com>
2798
2799         PR tree-optimization/21513
2800         * builtins.c (build_builtin_expect_predicate): New function.
2801         (fold_builtin_expect): Add argument for expected value.
2802         Distribute __builtin_expect over short-circuiting operations.
2803         Fold nested builtin_expects.
2804         (fold_builtin_2): Adjust call to fold_builtin_expect.
2805
2806 2007-09-05  Rask Ingemann Lambertsen  <rask@sygehus.dk>
2807
2808         PR web/32965
2809         PR tree-optimization/13756
2810         * doc/invoke.texi (Options That Control Optimization): Document
2811         -ftree-dse.
2812
2813 2007-09-05  Uros Bizjak  <ubizjak@gmail.com>
2814
2815         * gcc/config/i386/cpuid.h: New file.
2816         * gcc/config/i386/driver-i386.c: Include cpuid.h.
2817         (describe_cache): Shrink size and line strings to 100 bytes.
2818         (detect_caches_amd): Return "" for unsupported max_ext_level.
2819         Use __cpuid function.
2820         (detect_caches_intel): Return "" for unsupported max_level.
2821         Use __cpuid function.
2822         (host_detect_local_cpu): Change feature flag variables to
2823         unsigned int.  Initialize only extended feature flag variables.
2824         Use __get_cpuid_max to determine max supported cpuid level.
2825         Use __cpuid function to determine supported features.  Fix
2826         calculation of family id.  Remove is_amd and check signature
2827         directly.  Check for Geode signature.  Handle family 4 id.
2828         [PROCESSOR_GENERIC32]: New default for unknown family id.  Move
2829         cpu discovery code to lower part of the function.
2830         [PROCESSOR_PENTIUM, PROCESSOR_K6, PROCESSOR_ATHLON]: Do not tune
2831         for sub-architecture.
2832         [PROCESSOR_PENTIUMPRO]: Simplify cpu discovery code.
2833         [PROCESSOR_K8]: Add k8-sse3 architecture.
2834         [PROCESSOR_NOCONA]: Remove.
2835         [PROCESSOR_GENERIC64]: Ditto.
2836         * gcc/config/i386/x-i386 (driver-i386.o): Depend on cpuid.h.
2837         * gcc/config/i386/crtfastmath.c: Include cpuid.h.  Use __get_cpuid
2838         to check for SSE and FXSAVE support.
2839         * gcc/config/i386/t-crtfm (crtfastmath.o): Depend on cpuid.h.
2840         Add -minline-all-stringops.
2841         * gcc/config.gcc (i[34567]86-*-*): Add cpuid.h to extra_headers.
2842         (x86_64-*-*): Ditto.
2843
2844 2007-09-05  Jie Zhang  <jie.zhang@analog.com>
2845
2846         * config/bfin/linux-unwind.h: New file.
2847         * config/bfin/linux.h (MD_UNWIND_SUPPORT): Define.
2848         * config/bfin/uclinux.h (MD_UNWIND_SUPPORT): Define.
2849
2850 2007-09-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2851
2852         * Makefile.in (stmt.o): Add alloc-pool.h dependency.
2853         * stmt.c: Include alloc-pool.h.
2854         (struct case_node): Remove GTY marker.
2855         (add_case_node): New parameter case_node_pool.  Use it for
2856         allocation of r.
2857         (expand_case): New allocation pool case_node_pool.  Initialize it,
2858         pass to add_case_node and free it.
2859
2860 2007-09-05  Sandra Loosemore  <sandra@codesourcery.com>
2861             David Ung  <davidu@mips.com>
2862             Nigel Stephens <nigel@mips.com>
2863
2864         Add mips16/nomips16 function attributes and -mflip-mips16 option
2865         for testing mixed-mode compilation.
2866
2867         * config/mips/mips.opt (mflip-mips16): New.
2868
2869         * config/mips/mips.h (SYMBOL_FLAG_MIPS16_FUNC): Define.
2870         (SYMBOL_FLAG_MIPS16_FUNC_P): Define.
2871
2872         * config/mips/mips.c (mips_base_target_flags): New.
2873         (mips_base_mips16): New.
2874         (mips_base_schedule_insns): New.
2875         (mips_base_reorder_blocks_and_partition): New.
2876         (mips_base_align_loops): New.
2877         (mips_base_align_jumps): New.
2878         (mips_base_align_functions): New.
2879         (mips16_flipper): New.
2880         (mips_attribute_table): Add "mips16" and "nomips16" entries.
2881         (TARGET_SET_CURRENT_FUNCTION): Define.
2882         (mips_mips16_type_p, mips_nomips16_type_p): New.
2883         (mips_comp_type_attributes): Check mips16/nomips16 attributes.
2884         (mips_function_ok_for_sibcall): Make it deal with functions with
2885         mips16 attributes.
2886         (mips_init_split_addresses): New, split out from override_options.
2887         (mips_init_relocs): New, split out from override_options.
2888         (was_mips16_p): New.
2889         (mips_set_mips16_mode): New, split out from override_options.
2890         (mips_set_current_function): New.
2891         (override_options): Add sorry for unsupported mips16/pic
2892         combination.  Remove error for mips16/dsp combination.  Save
2893         base option settings.  
2894         (mips_file_start): Move mips16 mode setting output from here....
2895         (mips_output_function_prologue): ....to here.
2896         (mips_output_mi_thunk): Check for mips16 function.
2897         (build_mips16_function_stub): Don't set .mips16 here.
2898         (build_mips16_call_stub): Likewise.
2899         (mips_expand_builtin): Error in mips16 mode.
2900         (mips_use_mips16_mode_p): New.
2901         (mips_encode_section_info): Check for mips16 function, and set
2902         SYMBOL_REF_FLAGS accordingly.
2903
2904         * doc/extend.texi (Function Attributes): Document new
2905         mips16/nomips16 attributes.
2906         * doc/invoke.texi (Option Summary): Add -mflip-mips16.
2907         (MIPS Options): Document -mflip-mips16.
2908
2909 2007-09-05  Sandra Loosemore  <sandra@codesourcery.com>
2910
2911         * config/mips/mips.c (mips_legitimize_tls_address): Call sorry
2912         if we encounter TLS address in MIPS16 mode.
2913         (mips_legitimize_const_move): Check cannot_force_const_mem for
2914         the (const (plus symbol offset)) case; this forces invalid TLS
2915         address in MIPS16 mode to be caught by the above call to sorry.
2916         (override_options): Don't reset targetm.have_tls in MIPS16 mode,
2917         because that now enables emutls, which is not ABI compatible
2918         with native TLS in non-MIPS16 mode.
2919
2920 2007-09-05  Sandra Loosemore  <sandra@codesourcery.com>
2921
2922         Add target hook invoked when cfun changes.
2923
2924         * doc/tm.texi (TARGET_SET_CURRENT_FUNCTION): Document.
2925         * target.h (struct gcc_target): Add set_current_function.
2926         * target-def.h (TARGET_SET_CURRENT_FUNCTION): Define.
2927         (TARGET_INITIALIZER): Add initializer for set_current_function.
2928         * tree.h (push_struct_function): New.
2929         * tree-inline.h (push_cfun, pop_cfun): Move declarations to...
2930         * function.h: Here.
2931         (set_cfun): Declare.
2932         * tree-inline.c (cfun_stack, push_cfun, pop_cfun): Moved to...
2933         * function.c: Here.
2934         (push_function_context_to): Use allocate_struct_function
2935         to create null context, not init_dummy_function_start.  Use set_cfun.
2936         (pop_function_context_from): Use set_cfun.
2937         (in_dummy_function): New.
2938         (invoke_set_current_function_hook): New.
2939         (set_cfun): New.
2940         (push_cfun, pop_cfun): Use set_cfun.
2941         (push_struct_function): New.
2942         (allocate_struct_function): Call invoke_set_current_function_hook
2943         before returning.
2944         (prepare_function_start): Don't set cfun here.  Remove unused
2945         argument; fix all callers.
2946         (init_dummy_function_start): Fiddle with in_dummy_function.  Call
2947         push_struct_function.
2948         (init_function_start): Set cfun here.
2949         (expand_dummy_function_end): Fiddle with in_dummy_function.  Pop cfun.
2950         * omp-low.c (create_omp_child_function): Use push_struct_function
2951         and pop_cfun to save/restore state.
2952         (expand_omp_parallel): Remove unused saved_cfun variable.
2953         * cgraphunit.c (ipa_passes): Use set_cfun.
2954         * gimple-low.c (record_vars_into): Use push_cfun/pop_cfun here.
2955         * dwarf2out.c (dwarf2out_abstract_function): Likewise.
2956         * matrix-reorg.c (transform_allocation_sites): Likewise.
2957         (matrix_reorg): Use set_cfun.
2958         * gimplify.c (gimplify_function_tree): Use push_cfun/pop_cfun here.
2959         * tree-optimize.c (tree_rest_of_compilation): Remove one redundant
2960         assignment to cfun; use set_cfun for the other.
2961         * tree-cfg.c (move_sese_region_to_fn): Use set_cfun.
2962         (dump_function_to_file): Use push_cfun/pop_cfun here.
2963         * c-decl.c (finish_function): Use set_cfun.
2964
2965 2007-09-05  Kenneth Zadeck <zadeck@naturalbridge.com>
2966
2967         * regrename.c (rerename_optimize): Use deferred rescanning and
2968         insert explicit calls to rescan insns when changed.
2969         
2970 2007-09-05  Jan Hubicka  <jh@suse.cz>
2971
2972         * optabs.c (libfunc_entry): Change optab to integer.
2973         (hash_libfunc, convert_optab_libfunc, optab_libfunc,
2974         set_optab_libfunc, set_conv_libfunc): Use optable indexes instead
2975         of pointers for hashing.
2976
2977 2007-09-05  Jan Hubicka  <jh@suse.cz>
2978
2979         * regrename.c (pass_regrename, pass_cprop_hardreg): Add RTL sharing
2980         verifier.
2981         * fwprop.c (pass_rtl_fwprop, pass_rtl_fwprop_add): Likewise.
2982         * see.c (pass_see): Likewise.
2983         * tracer.c (pass_tracer): Likewise.
2984         * postreload-gcse.c (pass_gcse2): Likewise.
2985         * postreload.c (pass_postreload_cse): Likewise.
2986         * mode-switching.c (pass_mode_switching): Likewise.
2987         * modulo-sched.c (pass_sms): Likewise.
2988         * cse.c (cse_insn): Likewise.
2989         * web.c (pass_web): Likweise.
2990         * combine-stack-adj.c (pass_stack_adjustments): Likewise.
2991         * dce.c (pass_ud_rtl_dce, pass_fast_rtl_dce): Likewise.
2992         * loop-init.c (pass_rtl_loop_init): Likewise.
2993         (pass_rtl_loop_done, pass_rtl_move_loop_, pass_rtl_unswitch,
2994         pass_rtl_unroll_and, pass_rtl_doloop): Likewise.
2995         * global.c (pass_global_alloc): Likewise.
2996         * ifcvt.c (pass_rtl_ifcvt, pass_if_after_combine,
2997         pass_if_after_reload): Likewise.
2998         * reload.c (pass_peephole2, pass_split_for_shoren_branches): Likewise.
2999         * dse.c (pass_rtl_dse1, pass_rtl_dse2): Likewise.
3000         * regmove.c (pass_regmove): Likewise.
3001         * function.c (pass_thread_prologugues_epilogues): Likewise.
3002         * gcse.c (pass_gcse): Likewise.
3003         * rtl-factoring.c (pass_rtl_seqabstr): Likewise.
3004         * lower-subreg.c (pass_lower_subreg2): Likewise.
3005         * bt-load.c (pass_branch_target_load): Likewise.
3006         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
3007         * cfgcleanup.c (pass_jump, pass_jump2): Likewise.
3008         * combine.c (pass_combine): Likewise.
3009         * bb-reorder.c (pass_duplicate_comp, pass_reorder_blocks): Likewise.
3010         (pass_partition_blocks): Likewise.
3011         * var-tracking.c (pass_variable_track): Likewise.
3012         * reg-stack.c (pass_stack_regs_run): Likewise.
3013         * sched-rgn.c (pass_sched, pass_sched2): Likewise.
3014         * passes.c (pass_postreload): Likewise.
3015         (execute_function_todo): Add TODO_verify_rtl_sharing handling code.
3016         * tree-pass.h (TODO_verify_rtl_sharing): New.
3017         (TODO_update_ssa, TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
3018         TODO_update_ssa_only_virtuals, TODO_remove_unused_locals,
3019         TODO_set_props, TODO_df_finish, TODO_df_verify,
3020         TODO_mark_first_instance, TODO_rebuild_alias): Renumber.
3021
3022 2007-09-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3023
3024         * fold-const.c (all_ones_mask_p, sign_bit_p, simple_operand_p,
3025         fold_real_zero_addition_p, reorder_operands_p,
3026         div_if_zero_remainder, fold_undefer_overflow_warnings,
3027         int_binop_types_match_p, fold_convert_const_int_from_int,
3028         fold_convert_const_int_from_real,
3029         fold_convert_const_int_from_fixed,
3030         fold_convert_const_real_from_real,
3031         fold_convert_const_real_from_fixed,
3032         fold_convert_const_fixed_from_fixed,
3033         fold_convert_const_fixed_from_int,
3034         fold_convert_const_fixed_from_real, maybe_lvalue_p,
3035         fold_checksum_tree, fold_check_failed, print_fold_checksum,
3036         debug_fold_checksum, multiple_of_p): Constify.
3037         * tree-flow-inline.h (get_lineno): Likewise.
3038         * tree-flow.h (get_lineno): Likewise.
3039         * tree-object-size.c (compute_object_offset, addr_object_size,
3040         alloc_object_size, pass_through_call): Likewise.
3041         * tree-pretty-print.c (op_symbol, print_call_name,
3042         print_struct_decl, do_niy): Likewise.
3043         * tree.h (fold_undefer_overflow_warnings, multiple_of_p,
3044         debug_fold_checksum): Likewise.
3045
3046 2007-09-04  Steven Bosscher  <steven@gcc.gnu.org>
3047
3048         PR middle-end/33029
3049         * lower-subreg.c (resolve_clobber): If we remove a REG_LIBCALL
3050         note, remove the associated REG_RETVAL note.
3051
3052 2007-09-04  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3053
3054         * config.gcc (powerpc*-*-*): Install
3055         spu2vmx.h, vec_types.h, and si2vmx.h headers.
3056         * config/rs6000/spu2vmx.h: New header.
3057         * config/rs6000/si2vmx.h: New header.
3058         * config/rs6000/vec_types.h: New header.
3059
3060 2007-09-05  Ben Elliston  <bje@au.ibm.com>
3061
3062         * varasm.c (initializer_constant_valid_p): Fix comment typo.
3063
3064 2007-09-05  Ben Elliston  <bje@au.ibm.com>
3065
3066         * config/rs6000/ppu_intrinsics.h (__ldarx): Use `Z' constraint,
3067         not `m' for *ptrp.
3068         (__stdcx): Make asm volatile.
3069         (__stwcx, __stdcx): Return only 0 or 1.
3070
3071 2007-09-05  Jan Hubicka  <jh@suse.cz>
3072
3073         Revert:
3074
3075         2007-09-04  Jan Hubicka  <jh@suse.cz>
3076         * tree-tailcall.c (eliminate_tail_call): Expect unrenamed return value.
3077
3078         2007-09-04  Richard Guenther  <rguenther@suse.de>
3079         * tree-ssa-operands.c (add_virtual_operand): Only mark
3080         stores as has_volatile_ops if alias information is not available.
3081
3082 2007-09-05  Jakub Jelinek  <jakub@redhat.com>
3083
3084         * config/rs6000/tramp.asm: Include config.h.
3085         Check __PIC__ or __pic__ macro instead of SHARED.
3086
3087         PR rtl-optimization/32300
3088         * see.c (see_copy_insn): New function.
3089         (see_def_extension_not_merged, see_merge_one_use_extension,
3090         see_merge_one_def_extension): Use it.  Avoid changing
3091         PREV_INSN/NEXT_INSN chains directly, insted emit insns
3092         into sequences.  Call df_insn_delete on temporary insns
3093         that won't be emitted into the insn stream.
3094         (rest_of_handle_see): Turn off DF_DEFER_INSN_RESCAN
3095         and run df_process_deferred_rescans () before run_fast_dce.
3096
3097         PR tree-optimization/33017
3098         * tree-data-ref.c (split_constant_offset) <case SSA_NAME>: Don't
3099         recurse for pure or const function calls.
3100
3101 2007-09-04  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3102
3103         * c-format.c: Include alloc-pool.h.
3104         (check_format_info_main): New argument fwt_alloc.  Use allocation
3105         pool instead of GC.  Remove GC deallocation code.
3106         (check_format_arg): Create allocation pool, pass it to
3107         check_format_info_main and free it afterwards.
3108         * Makefile.in (c-format.o): Add alloc-pool.h dependency.
3109
3110 2007-09-05  Ben Elliston  <bje@au.ibm.com>
3111
3112         * config/rs6000/ppu_intrinsics.h (__protected_stream_count):
3113         Rename count macro arugment for clarity.
3114         (__protected_unlimited_stream_set): Pass UG=1 to __dcbt_TH1000.
3115         (__protected_stream_set): Likewise, pass 0.
3116
3117 2007-09-04  Jan Hubicka  <jh@suse.cz>
3118
3119         * tree-tailcall.c (eliminate_tail_call): Expect unrenamed return value.
3120
3121 2007-09-04  Jan Hubicka  <jh@suse.cz>
3122
3123         * invoke.texi (-finline-small-functions): Document.
3124         * ipa-inline.c (cgraph_default_inline_p): Do not use DECL_INLINE
3125         when deciding what is inlinable.
3126         (cgraph_decide_recursive_inlining): Handle flag_inline_functions.
3127         (cgraph_decide_inlining_of_small_function): Handle new flags.
3128         (cgraph_decide_inlining_incrementally): Likewise.
3129         * opts.c (decode_options): Enable flag_inline_small_functions at -O2
3130         * common.opt (finline-small-functions): New.
3131         * Makefile.in (build/gengtype.o-warn): Work around PR29478
3132
3133 2007-09-04  Richard Guenther  <rguenther@suse.de>
3134
3135         * tree-ssa-operands.c (add_virtual_operand): Only mark
3136         stores as has_volatile_ops if alias information is not available.
3137
3138 2007-09-04  Andrew Haley  <aph@redhat.com>
3139
3140         * config/arm/libgcc-bpabi.ver: Add _Unwind_Backtrace as GCC_4.3.0.
3141
3142 2007-09-04  Andrew Haley  <aph@redhat.com>
3143
3144         * config/arm/libunwind.S (UNWIND_WRAPPER _Unwind_Backtrace): New.
3145         * config/arm/unwind-arm.h (__gnu_Unwind_Backtrace): New.
3146         * config/arm/unwind-arm.c (__gnu_Unwind_Backtrace): New.
3147
3148 2007-09-04  Emmanuel Thome  <Emmanuel.Thome@inria.fr>
3149
3150         PR c++/14178
3151         * common.opt: Mention ABI version 2 in comment.
3152
3153 2007-09-04  Jan Hubicka  <jh@suse.cz>
3154
3155         * optabs.c (debug_optab_libfunc): Update; make available to gdb.
3156         (libfunc_entry): New structure.
3157         (libfunc_hash): New hashtable.
3158         (hash_libfunc): New function.
3159         (eq_libfunc): New function.
3160         (convert_optab_libfunc): New function.
3161         (optab_libfunc): New function.
3162         (expand_binop, sign_expand_binop, expand_twoval_binop_libfunc,
3163         expand_unop, prepare_cmp_insn, prepare_float_insn, gen_add2_insn,
3164         expand_float, expand_fix, new_optab, new_convert_optab):
3165          Update for new libfunc API.
3166         (init_libfunc, init_integral_libfuncs,
3167         init_floating_libfuncs, init_interclass_conv_libfuncs
3168         init_intraclass_conv_libfuncs): Remove; reorganize all logic to:
3169         (gen_libfunc, gen_int_libfunc, gen_fp_libfunc, gen_int_fp_libfunc,
3170         gen_intv_fp_libfunc, gen_interclass_conv_libfunc,
3171         gen_int_to_fp_conv_libfunc, gen_ufloat_conv_libfunc,
3172         gen_int_to_fp_nondecimal_conv_libfunc, gen_fp_to_int_conv_libfunc,
3173         gen_intraclass_conv_libfunc, gen_trunc_conv_libfunc,
3174         gen_extend_conv_libfunc): New.
3175         (init_one_libfunc): Revamp for hashtables.
3176         (set_conv_libfunc): Likewise.
3177         (init_optabs): Initialize hashtable; use lazy initialization where
3178         possible.
3179         * optabs.h (optab_handlers): Move out of GGC.
3180         (optab, convert_optab): Move out of GGC; add lazy gen info.
3181         (code_to_optab, convert_optab_table, optab_table): Move out of GGC.
3182         (optab_libfunc, convert_optab_libfunc): New.
3183         * builtins.c (expand_builtin_powi): Update for new API.
3184         * expr.c (convert_move): Likewise.
3185         * expmed.c (expand_divmod): Likewise.
3186
3187 2007-09-04  Daniel Jacobowitz  <dan@codesourcery.com>
3188
3189         * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space for the
3190         GOT pointer only if there is a constant pool.  Use the allocated space
3191         for SPE also.
3192
3193 2007-09-04  Daniel Jacobowitz  <dan@codesourcery.com>
3194
3195         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Correct
3196         typo for AltiVec.
3197
3198 2007-09-04  Revital Eres  <eres@il.ibm.com>
3199             Richard Guenther  <rguenther@suse.de>
3200             R. Clint Whaley  <whaley@cs.utsa.edu>
3201
3202         * doc/invoke.texi (-fassociative-math, -freciprocal-math):
3203         Document new flags.
3204         * tree-tailcall.c (process_assignment): Use -fassociative-math
3205         when reodering operands of floating-point type.
3206         * fold-const.c (fold_comparison, fold_binary): Use
3207         -fassociative-math and -freciprocal-math instead of
3208         -funsafe-math-optimization flag.
3209         * toplev.h (set_unsafe_math_optimizations_flags): Declare function.
3210         * tree-ssa-math-opts.c (gate_cse_reciprocals): Use
3211         -freciprocal-math instead of -funsafe-math-optimizations.
3212         * opts.c (set_fast_math_flags): Set -freciprocal-math and
3213         -fassociative-math when -ffast-math is set.
3214         (set_unsafe_math_optimizations_flags): New Function
3215         to set -freciprocal-math and -fassociative-math when
3216         -funsafe-math-optimizations is set.
3217         (common_handle_option): Call it.
3218         * tree-vectorizer.c (vect_is_simple_reduction): Use
3219         -fassociative-math when doing reduction on floats.
3220         * loop-unroll.c (analyze_insn_to_expand_var): Use
3221         -fassociative-math when expanding an accumulator of type float.
3222         * simplify-rtx.c (simplify_binary_operation_1): Use
3223         -fassociative-math and -freciprocal-math when reordeing operands
3224         of floating-point type.
3225         * combine.c (combine_simplify_rtx): Likewise.
3226         * tree-ssa-reassoc.c (break_up_subtract_bb, reassociate_bb):
3227         Likewise.
3228         * common.opt (-fassociative-math, -freciprocal-math): New flags.
3229
3230 2007-09-04  Paolo Carlini  <pcarlini@suse.de>
3231
3232         PR c++/18608
3233         * doc/install.texi (--enable-__cxa_atexit): Fix typo.
3234
3235 2007-09-04  Jan Hubicka  <jh@suse.cz>
3236
3237         * regrename.c(copyprop_hardreg_forward_1): Unshare when doing copyprop.
3238
3239 2007-09-04  Jan Hubicka  <jh@suse.cz>
3240
3241         * regrename.c (build_def_use): Don't share RTL between MATCH_OPERATOR
3242         and corresponding MATCH_DUP.
3243
3244 2007-09-04  Uros Bizjak  <ubizjak@gmail.com>
3245
3246         PR middle-end/33187
3247         * combine.c (subst): Do not try to simplify X if it represents load
3248         of FP constant from the constant pool via float extension.
3249
3250 2007-09-04  Ben Elliston  <bje@au.ibm.com>
3251
3252         * c-opts.c: Include "tm_p.h".
3253         * Makefile.in (c-opts.o): Add $(TM_P_H) as a dependency.
3254
3255 2007-09-04  Richard Guenther  <rguenther@suse.de>
3256
3257         PR tree-optimization/33291
3258         * tree-pretty-print.c (dump_generic_node): Dump all
3259         qualifiers for pointer types, not only first.  Dump
3260         qualifiers for aggregate types as well.
3261         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Always
3262         use the canonical type for building ARRAY_REFs.
3263         * gimplify.c (canonicalize_addr_expr): Clean up.  The
3264         correct validness check is compatibility of the pointer
3265         types.  Always use the canonical type for building
3266         ARRAY_REFs and ADDR_EXPRs.
3267         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Revert
3268         change that disabled propagation of ADDR_EXPRs into statements
3269         with volatile ops.
3270
3271 2007-09-03  Zack Weinberg  <zack@codesourcery.com>
3272
3273         * config/arm/arm.md (mulsidi3, umulsidi3, mulsi3_highpart)
3274         (umulsi3_highpart): Make into expanders; existing insns are
3275         now named *[insn]_nov6.  Add stars to existing [insn]_v6
3276         counterparts' names.
3277
3278 2007-09-03  Daniel Jacobowitz  <dan@codesourcery.com>
3279
3280         * Makefile.in (DRIVER_DEFINES, gcc.o, gccspec.o, protoize.o)
3281         (unprotoize.o): Remove SHLIB_MULTILIB.
3282
3283 2007-09-03  Eric Weddington  <eweddington@cso.atmel.com>
3284
3285         * doc/extend.texi: Document progmem attribute for AVR.
3286
3287 2007-09-03  Anatoly Sokolov <aesok@post.ru>
3288
3289         PR target/28902
3290         * config/avr/avr.h (TARGET_VTABLE_ENTRY_ALIGN): Define.
3291
3292 2007-09-03  Zack Weinberg  <zack@codesourcery.com>
3293
3294         * optabs.c (expand_ffs): Initialize val and defined_at_zero
3295         to avoid warnings.
3296
3297         * optabs.c: Remove unnecessary forward declarations.
3298         (expand_unop_direct): New, broken out of expand_unop.
3299         (expand_doubleword_clz): New.
3300         (expand_ctz): Move above expand_ffs.  Use
3301         start_sequence, end_sequence, add_equal_note, and
3302         expand_unop_direct.  Add more commentary.
3303         (expand_ffs): Try both ctz optab and expand_ctz.
3304         Generate a test and branch if the hardware doesn't give us
3305         a useful value for input zero.  Style improvements similar to
3306         expand_ctz.
3307
3308         * config/arm/arm.md (ffssi2, ctzsi2): Delete.
3309
3310 2007-09-03  Zack Weinberg  <zack@codesourcery.com>
3311
3312         * config.gcc: Delete stanza for arm-semi-aof and
3313         armel-semi-aof targets.
3314         * config/arm/arm-protos.h
3315         * config/arm/arm.c
3316         * config/arm/arm.h: Delete all #ifdef AOF_ASSEMBLER blocks;
3317         make all #ifndef AOF_ASSEMBLER blocks unconditional.  Also
3318         delete aof_pic_label and remove mention of AOF in comments.
3319         * config/arm/arm.md: Delete patterns used only for AOF assembly.
3320         * config/arm/aof.h
3321         * config/arm/semiaof.h
3322         * config/arm/t-semi: Delete file.
3323
3324 2007-09-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3325
3326         * system.h (CONST_CAST2, CONST_CAST_TREE, CONST_CAST_RTX,
3327         CONST_CAST_BB): New macros for type-specific casts.
3328         (CONST_CAST): Add a TYPE parameter and define it in terms of
3329         CONST_CAST2.
3330
3331         * c-decl.c (c_make_fname_decl): Supply a TYPE for CONST_CAST.
3332         * c-lex.c (cb_ident, lex_string): Likewise,
3333         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise,
3334         * config/i386/i386.c (ix86_function_regparm,
3335         ix86_function_sseregparm): Use CONST_CAST_TREE.
3336         * config/mmix/mmix.c (mmix_encode_section_info): Supply a TYPE for
3337         CONST_CAST.
3338         * gcc.c (set_spec, read_specs, for_each_path, execute, do_spec_1,
3339         give_switch, set_multilib_dir): Likewise,
3340         * gengtype-parse.c (string_seq, typedef_name): Likewise,
3341         * gimple-low.c (block_may_fallthru): Use CONST_CAST_TREE.
3342         * jump.c (reversed_comparison_code_parts): Use CONST_CAST_RTX.
3343         * passes.c (execute_one_pass): Supply a TYPE for CONST_CAST.
3344         * prefix.c (update_path): Likewise,
3345         * pretty-print.c (pp_base_destroy_prefix): Likewise,
3346         * rtlanal.c (keep_with_call_p): Use CONST_CAST_RTX.
3347         * tree-cfg.c (tree_can_merge_blocks_p,
3348         tree_block_ends_with_condjump_p): Use CONST_CAST_BB.
3349         * tree-eh.c (lookup_stmt_eh_region_fn): USe CONST_CAST_TREE.
3350         * tree.c (build_string): Supply a TYPE for CONST_CAST.
3351         (attribute_list_contained): Use CONST_CAST_TREE.
3352
3353 2007-09-03  Krister Walfridsson  <cato@df.lth.se>
3354
3355         * config/netbsd-elf.h (USE_LD_AS_NEEDED): Define.
3356
3357 2007-09-03  Richard Sandiford  <richard@codesourcery.com>
3358
3359         PR middle-end/33290
3360         * optabs.c (avoid_expensive_constant): Canonicalize CONST_INTs
3361         before forcing them into a register.
3362
3363 2007-09-03  Richard Sandiford  <richard@codesourcery.com>
3364
3365         * config/mips/mips.md (fetchop_bit): Use define_code_iterator
3366         rather than define_code_macro.
3367
3368 2007-09-03  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
3369
3370         * gcc.c (xputenv): New function.
3371         (putenv_from_prefixes): Use xputenv instead of putenv.
3372         (process_command): Use xputenv instead of putenv.
3373         (set_collect_gcc_options): Use xputenv instead of putenv.
3374         (main): Use xputenv instead of putenv.
3375
3376 2007-09-03  Jesper Nilsson  <jesper.nilsson@axis.com>
3377
3378         * config/cris/cris.h (TARGET_HAS_SWAP): Defined to describe
3379         availability of swap instruction.
3380         * config/cris/cris.md (bswapsi2): Implement using swap instruction.
3381
3382 2007-09-03  Revital Eres  <eres@il.ibm.com>
3383
3384         * doc/invoke.texi (-fmodulo-sched-allow-regmoves): Update
3385         Documentation.
3386
3387 2007-09-03  Vladimir Yanovsky  <yanov@il.ibm.com>
3388             Ayal Zaks  <zaks@il.ibm.com>
3389             Revital Eres  <eres@il.ibm.com>
3390
3391         * modulo-sched.c (ps_insert_empty_row, verify_partial_schedule,
3392         compute_split_row): New functions.
3393         (ps_unschedule_node): Remove.
3394         (normalize_sched_times): Iterate over the already scheduled
3395         insns instead of the number of nodes.
3396         (MAX_SPLIT_NUM): New definition.
3397         (sms_schedule_by_order): Change the scheduling heuristic to
3398         avoid useless increases of initiation interval ii.
3399         (get_sched_window): Add dump printouts.
3400
3401 2007-09-02  David Daney  <ddaney@avtrex.com>
3402
3403         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP, UNSPEC_SYNC_OLD_OP,
3404         UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE): New define_constants.
3405         (optab, insn): Add more attributes.
3406         (fetchop_bit): New code macro.
3407         (immediate_insn): New code macro attribute.
3408         (sync): Change condition to ISA_HAS_SYNC.
3409         (rdhwr): Change predicate for operand 0 to register_operand.
3410         (memory_barrier): New expand.
3411         (sync_compare_and_swap<mode>, sync_add<mode>, sync_sub<mode>,
3412         sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
3413         sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
3414         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
3415         sync_new_nand<mode>, sync_lock_test_and_set<mode>): New insns.
3416         * config/mips/mips.h (ISA_HAS_SYNC, ISA_HAS_LL_SC): New ISA predicates.
3417         (MIPS_COMPARE_AND_SWAP, MIPS_SYNC_OP, MIPS_SYNC_OLD_OP,
3418         MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND,
3419         MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE): New Macros.
3420         
3421 2007-09-03  Jesper Nilsson  <jesper.nilsson@axis.com>
3422             Hans-Peter Nilsson  <hp@axis.com>
3423
3424         * config/cris/cris.h (TARGET_HAS_LZ, CLZ_DEFINED_VALUE_AT_ZERO):
3425         Defined to describe availability and behavior of CLZ.
3426         * config/cris/cris.md (clzsi2): Implement using lz instruction.
3427         * config/cris/cris.opt: Tweak comment for "-metrax4".
3428         * config/cris/arit.c (LZ): When defined, define as __builtin_clz.
3429         * longlong.h [__CRIS__ && __CRIS_arch_version >= 3]
3430         (count_leading_zeros): Define.
3431
3432 2007-09-01  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3433
3434         * ggc-page.c (ggc_pch_read): Call validate_free_objects.
3435
3436 2007-09-02  Joseph Myers  <joseph@codesourcery.com>
3437
3438         PR middle-end/33272
3439         * c-decl.c (grokdeclarator): Apply qualifiers to type of parameter
3440         decayed from array.
3441
3442 2007-09-01  Kazu Hirata  <kazu@codesourcery.com>
3443
3444         * config/arm/arm.c, config/rs6000/ppu_intrinsics.h,
3445         config/spu/spu.c, df-scan.c, fixed-value.c, fold-const.c,
3446         ginclude/tgmath.h, haifa-sched.c, optabs.c, recog.c,
3447         sched-deps.c, sched-int.h, system.h, target.h,
3448         tree-ssa-live.c, tree-vect-transform.c, tree-vectorizer.c,
3449         tree.def: Fix comment typos.
3450
3451 2007-09-01  Kazu Hirata  <kazu@codesourcery.com>
3452
3453         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove.
3454         (override_options): Turn on -mstrict-align on non-ColdFire
3455         targets.
3456         * config/m68k/m68k.h (BIGGEST_ALIGNMENT): Update a comment.
3457
3458 2007-09-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3459
3460         * c-common.c (const_strip_array_types): Delete.
3461         * c-common.h (const_strip_array_types): Likewise.
3462         * emit-rtl.c (const_next_insn, const_previous_insn,
3463         const_next_nonnote_insn, const_prev_nonnote_insn,
3464         const_next_real_insn, const_prev_real_insn,
3465         const_next_active_insn, const_prev_active_insn, const_next_label,
3466         const_prev_label): Delete.
3467         * gimple-low.c (block_may_fallthru): Use expr_last.
3468         * jump.c (reversed_comparison_code_parts): Use prev_nonnote_insn.
3469         * rtl.h (const_previous_insn, const_next_insn,
3470         const_prev_nonnote_insn, const_next_nonnote_insn,
3471         const_prev_real_insn, const_next_real_insn,
3472         const_prev_active_insn, const_next_active_insn, const_prev_label,
3473         const_next_label): Delete.
3474         * rtlanal.c (keep_with_call_p): Use next_nonnote_insn.
3475         * system.h (CONST_CAST): Update comment.
3476         * tree-cfg.c (tree_can_merge_blocks_p): Use last_stmt.
3477         (const_first_stmt, const_last_stmt): Delete.
3478         (tree_block_ends_with_condjump_p): Use last_stmt.
3479         * tree-flow.h (const_first_stmt, const_last_stmt): Delete.
3480         * tree-iterator.c (const_expr_first, const_expr_last,
3481         const_expr_only): Delete.
3482         * tree.c (const_lookup_attribute): Likewise.
3483         (attribute_list_contained): Use lookup_attribute.
3484         * tree.h (const_lookup_attribute, const_expr_first,
3485         const_expr_last, const_expr_only): Delete.
3486
3487 2007-09-01  Richard Guenther  <rguenther@suse.de>
3488
3489         * tree-ssa-alias.c (create_name_tags): Use TYPE_VOLATILE
3490         instead of TREE_THIS_VOLATILE.
3491         * tree-ssa-operands.c (add_virtual_operand): Do not set
3492         has_volatile_ops.  Do not check s_ann for NULL.
3493         (get_indirect_ref_operands): Likewise.
3494         (get_expr_operands): Likewise.  For all reference trees
3495         set has_volatile_ops based on TREE_THIS_VOLATILE.  Also
3496         check base of reference for TREE_THIS_VOLATILE.
3497
3498 2007-09-01  Richard Guenther  <rguenther@suse.de>
3499
3500         * tree-cfg.c (verify_gimple_expr): Fix check for conversions
3501         between integral types.  Also allow conversions between
3502         pointer types.
3503
3504 2007-08-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3505
3506         * optabs.c (prepare_float_lib_cmp): Use
3507         libgcc_cmp_return_mode instead of word_mode.
3508         * config/dfp-bit.h: Likewise.
3509         * config/fp-bit.h: Likewise.
3510         * config/spu/spu.c (spu_libgcc_cmp_return_mode):
3511         New function.
3512         (spu_libgcc_shift_count_mode): New function.
3513         (TARGET_LIBGCC_CMP_RETURN_MODE): Define.
3514         (TARGET_LIBGCC_SHIFT_COUNT_MODE): Define.
3515
3516 2007-08-31  Joseph Myers  <joseph@codesourcery.com>
3517
3518         * tree-pretty-print.c: Include output.h.
3519         (dump_decl_name, dump_generic_node): Use %wd with pp_printf, not
3520         HOST_WIDE_INT_PRINT_DEC.
3521         * Makefile.in (tree-pretty-print.o): Add dependency on output.h.
3522
3523 2007-08-31  Zdenek Dvorak  <ook@ucw.cz>
3524
3525         PR rtl-optimization/33224
3526         * loop-iv.c (latch_dominating_def): Check that the definition belongs
3527         to the analysed region.
3528
3529 2007-08-31  Richard Guenther  <rguenther@suse.de>
3530
3531         * function.c (allocate_struct_function): Do not set
3532         current_function_returns_pointer.
3533         * function.h (struct var_refs_queue): Remove.
3534         (struct simple_obstack_stack): Likewise.
3535         (struct function): Remove fixup_var_refs_queue member.
3536         Remove returns_pointer flag.
3537         (current_function_returns_pointer): Remove define.
3538
3539 2007-08-31  Nick Clifton  <nickc@redhat.com>
3540
3541         * tree-ssa-coalesce.c (compare_pairs): Use the elements as
3542         secondary keys in order to obtain a stable sort.
3543
3544 2007-08-31  Nick Clifton  <nickc@redhat.com>
3545
3546         PR target/33132
3547         * config/m32r/constraints.md: Add W constraint for integer zero.
3548         * config/m32r/m32r.md (get_pc): Use W and i constraints.
3549         Fix length calculation by using alternatives.
3550
3551 2007-08-31  Richard Sandiford  <richard@codesourcery.com>
3552
3553         * optabs.c (shift_optab_p, commutative_optab_p): New functions,
3554         split out from expand_binop.
3555         (avoid_expensive_constant): New function.
3556         (expand_binop_directly): Remove commutative_op argument and
3557         (expand_binop_directly): Remove commutative_op argument and
3558         call cummutative_optab_p instead.  Do not change op0 or op1
3559         when swapping xop0 and xop1.  Apply avoid_expensive_constant
3560         to each argument after potential swapping.  Enforce the
3561         canonical order of commutative operands.
3562         (expand_binop): Use shift_optab_p and commutative_optab_p.
3563         Update the calls to expand_binop_directly.  Only force constants
3564         into registers when widening an operation.  Only swap operands
3565         once a direct expansion has been rejected.
3566         (expand_twoval_binop): Only force constants into registers when
3567         using a direct expansion.
3568
3569 2007-08-31  Maxim Kuvyrkov  <maxim@codesourcery.com>
3570
3571         * sched-deps.c (update_dep): Mark arguments with ATTRIBUTE_UNUSED.
3572         (sched_analyze_insn): Don't postprocess speculative dependencies when
3573         target has no scheduling.
3574         * tree-vect-transform.c (vect_estimate_min_profitable_iters): Fix
3575         'uninitialized' warning.
3576
3577 2007-08-31  Richard Guenther  <rguenther@suse.de>
3578
3579         * tree.c (build_complex_type): Always set TYPE_NAME for
3580         comples types.
3581
3582 2007-08-31  Olivier Hainque  <hainque@adacore.com>
3583
3584         * config/rs6000/xcoff.h (XCOFF_CSECT_DEFAULT_ALIGNMENT_STR): New
3585         internal macro. Default alignment factor for csect directives, chosen
3586         to match what BIGGEST_ALIGNMENT allows.
3587         (DATA_SECTION_ASM_OP): Use it.
3588         * config/rs6000/rs6000.c
3589         (rs6000_xcoff_output_readonly_section_asm_op):
3590         Use XCOFF_CSECT_DEFAULT_ALIGNMENT_STR.
3591         (rs6000_xcoff_output_readwrite_section_asm_op): Likewise.
3592         
3593 2007-08-31  Olivier Hainque  <hainque@adacore.com>
3594
3595         * dbxout.c (dbxout_block): Move declaration within the first
3596         #if defined (DBX_DEBUGGING_INFO) block.  Rearrange another such
3597         block to include the definition, together with the associated
3598         helpers.
3599
3600 2007-08-31  David Edelsohn  <edelsohn@gnu.org>
3601             Revital Eres  <eres@il.ibm.com>
3602
3603         * doc/invoke.texi (-mpaired): Document flag.
3604         * config.gcc: Include paired.h in powerpc extra_headers and
3605         750cl.h in powerpc-*-linux*paired*.
3606         * config/rs6000/rs6000.opt (-mpaired): New flag.
3607         * config/rs6000/rs6000.c (paired_init_builtins,
3608         paired_expand_builtin, paired_expand_lv_builtin,
3609         paired_expand_stv_builtin, paired_expand_predicate_builtin):
3610         New functions to support the paired single builtin functions.
3611         (rs6000_hard_regno_mode_ok): Handle PAIRED_VECTOR_MODE.
3612         (def_builtin, bdesc_3arg, bdesc_2arg, bdesc_1arg): Add paired
3613         single builtins.
3614         (bdesc_paired_preds): New structure for paired predicate
3615         instructions.
3616         (rs6000_expand_builtin): Expand paired single builtins.
3617         (rs6000_init_builtins): Init paired single builtins.
3618         (rs6000_common_init_builtins): Add v2sf_ftype_v2sf_v2sf_v2sf.
3619         Rename v2sf_ftype_v2sf_v2sf to v2sf_ftype_v2sf_v2sf_spe
3620         and v2sf_ftype_v2sf_spe to v2sf_ftype_v2sf.  Add new types
3621         v2sf_ftype_v2sf_v2sf and v2sf_ftype_v2sf.
3622         (rs6000_vector_mode_supported_p): Support paired vector mode.
3623         * config/rs6000/rs6000.h: (UNITS_PER_PAIRED_WORD,
3624         PAIRED_VECTOR_MODE, PAIRED_SIMD_REGNO_P, TARGET_PAIRED_FLOAT):
3625         New.
3626         (LOCAL_ALIGNMENT): Handle PAIRED_VECTOR_MODE.
3627         (DATA_ALIGNMENT): Likewise.
3628         (UNITS_PER_SIMD_WORD): Handle PAIRED_VECTOR_MODE.
3629         (rs6000_builtins): Add PAIRED builtins.
3630         * config/rs6000/rs6000.md: Include paired.md.
3631         * config/rs6000/paired.h: New.
3632         * config/rs6000/paired.md: New.
3633         * config/rs6000/750cl.h: New.
3634         * config/rs6000/spe.md: Recognize movv2sf instruction for 750cl.
3635
3636 2007-08-30  Ollie Wild  <aaw@google.com>
3637
3638         * c-opts.c (c_common_handle_option): Support -fno-directives-only.
3639         * gcc.c (default_compilers): Add -fno-directives-only to
3640         @assembler-with-cpp.
3641
3642 2007-08-30  Sandra Loosemore  <sandra@codesourcery.com>
3643
3644         PR middle-end/33211
3645
3646         * regclass.c (initial_fixed_regs): Revert previous change and make
3647         it const again.
3648         (initial_call_used_regs): Likewise.
3649         (initial_call_really_used_regs): Delete, reverting previous addition.
3650         (initial_reg_names): Likewise.
3651         (init_reg_sets): Revert previous change.
3652         (saved_fixed_regs): New.
3653         (saved_call_used_regs): New.
3654         (saved_call_really_used_regs): New.
3655         (saved_reg_names): New.
3656         (save_register_info): New.
3657         (restore_register_info): New.
3658         (init_reg_sets_1): Replace reset of register info with call to
3659         restore_register_info.
3660         * rtl.h (save_register_info): Declare.
3661         * toplev.c (backend_init): Call save_register_info.
3662
3663 2007-08-30  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3664
3665         * tree-ssa-propagate.c (set_rhs): Remove the copied annotation
3666         from the original statement.
3667
3668 2007-08-30  Chao-ying Fu  <fu@mips.com>
3669
3670         * c-lex.c (interpret_fixed): Declare.
3671         (interpret_float): Process _Fract and _Accum.
3672         (interpret_fixed): New function.
3673         * final.c (output_addr_const): Process CONST_FIXED.
3674         * simplify-rtx.c (simplify_const_unary_operation): Handle US_NEG.
3675         (simplify_binary_operation_1): Handle US_ASHIFT, SS_MULT, US_MULT,
3676         SS_DIV, US_DIV.
3677         (simplify_const_binary_operation): Handle SS_MULT, US_MULT, SS_DIV,
3678         US_DIV, US_ASHIFT.
3679         (simplify_immed_subreg): Support CONST_FIXED.
3680         Process MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
3681         (simplify_subreg): Support CONST_FIXED.
3682
3683 2007-08-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3684
3685         * config/rs6000/ppu_intrinsics.h: New file.
3686         * config.gcc (powerpc*-*-* <extra_headers>): Install
3687         ppu_intrinsics.h.
3688
3689 2007-08-30  Kenneth Zadeck <zadeck@naturalbridge.com>
3690
3691         * cfg.c (dump_flow_info): Change to also print entry and exit
3692         block info.
3693         * print-rtl.c (print_rtl_single): Allow to print rtl with
3694         -fdump-unnumbered.
3695         
3696 2007-08-30  Kenneth Zadeck <zadeck@naturalbridge.com>
3697
3698         * df-core.h (df_dump_region): New function.
3699         * df.h (df_dump_region): New function.
3700         * loop-invariant.c (find_defs): Add call to df_dump_region.
3701         * loop-iv.c (iv_analysis_loop_init): Changed call from df_dump to
3702         df_dump_region.
3703         
3704 2007-08-30  Jakub Jelinek  <jakub@redhat.com>
3705
3706         PR target/33168
3707         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Return
3708         true if any of the compare_section_name calls returned true,
3709         rather than if any returned false.
3710
3711 2007-08-30  Richard Guenther  <rguenther@suse.de>
3712
3713         PR tree-optimization/33199
3714         * tree-ssa-structalias.c (handle_lhs_call): New function.
3715         (find_func_aliases): In non-IPA mode make sure that for
3716         calls that return a pointer we add a constraint for the
3717         result to point to anything.
3718
3719 2007-08-30  Richard Guenther  <rguenther@suse.de>
3720
3721         * doc/invoke.texi (-mveclibabi): Document new target option.
3722         * config/i386/i386.opt (-mveclibabi): New target option.
3723         * config/i386/i386.c (ix86_veclib_handler): Handler for
3724         vectorization library support.
3725         (override_options): Handle the -mveclibabi option, initialize
3726         the vectorization library handler.
3727         (ix86_builtin_vectorized_function): As fallback call the
3728         vectorization library handler, if set.
3729         (ix86_veclibabi_acml): New static function for ACML ABI style
3730         vectorization support.
3731
3732 2007-08-30  Jakub Jelinek  <jakub@redhat.com>
3733
3734         * config/rs6000/rs6000.c (rs6000_emit_sync): For QI or HI mode
3735         used_m, even if it is 32-bit aligned, adjust used_m MEM to have
3736         SImode and update m.  Don't run gen_lowpart_common on arbitrary
3737         memory address, force it to register first.
3738
3739         PR middle-end/32758
3740         * dce.c (dce_process_block): Don't delete setters of
3741         artificially used registers.
3742
3743 2007-08-30  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3744
3745         * config/s390/s390.md ("*add<mode>3_alc_carry1_cc",
3746         "*add<mode>3_alc_carry1_cconly", "*add<mode>3_alc_carry2_cc",
3747         "*add<mode>3_alc_carry2_cconly"): New insn definitions.
3748
3749 2007-08-30  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3750
3751         * config/s390/s390.c (s390_expand_addcc): Emit canonical alc
3752         pattern.
3753         * config/s390/s390.md ("*add<mode>3_alc_cc", "*add<mode>3_alc",
3754         "addti3", "*adddi3_31z", "*scond<mode>"): Make alc pattern canonical.
3755
3756 2007-08-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3757
3758         * system.h: Activate -Wcast-qual as warning-only.
3759
3760 2007-08-29  Paolo Bonzini  <bonzini@gnu.org>
3761
3762         PR target/33168
3763         * config/rs6000/rs6000.c (compare_section_name): New function.
3764         (rs6000_elf_in_small_data_p): Compare section prefixes instead
3765         of full name.
3766
3767 2007-08-29  Olivier Hainque  <hainque@adacore.com>
3768
3769         * xcoffout.c: #include debug.h.
3770         * Makefile.in (xcoffout.o): Add debug.h dependency.
3771
3772 2007-08-29  Uros Bizjak  <ubizjak@gmail.com>
3773
3774         * simplify-rtx.c (simplify_binary_operation_1) [VEC_SELECT]:
3775         Change CONST_VECTOR_ELT to XVECEXP in elem calculation.
3776
3777 2007-08-29  Richard Guenther  <rguenther@suse.de>
3778
3779         * tree-pretty-print.c (dump_generic_node): Print
3780         label DECL_UID as D.%u.
3781         * tree-dfa.c (dump_variable): Print DECL_UID as D.%u.
3782
3783 2007-08-29  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
3784
3785         * gcc/builtin-types.def (BT_FN_PTR_PTR_SIZE): New type.
3786         * gcc/builtins.def (BUILT_IN_REALLOC): New builtin.
3787
3788 2007-08-29  Douglas Gregor  <doug.gregor@gmail.com>
3789
3790         PR c++/33194
3791         * tree.c (build_type_attribute_qual_variant): Set canonical types
3792         on the final, unqualified attribute variant before building the
3793         qualified version.
3794
3795 2007-08-29  Jie Zhang  <jie.zhang@analog.com>
3796
3797         * config/bfin/bfin.c (bfin_expand_builtin): Fix the argument
3798         order of __builtin_bfin_cmplx_mac and __builtin_bfin_cmplx_msu.
3799
3800 2007-08-29  Jie Zhang  <jie.zhang@analog.com>
3801
3802         Revert
3803         2007-08-29  Jie Zhang  <jie.zhang@analog.com>
3804         * config/bfin/bfin.md (composev2hi): Put operands into vector
3805         with correct order.
3806
3807 2007-08-29  Jie Zhang  <jie.zhang@analog.com>
3808
3809         * config/bfin/bfin.md (composev2hi): Put operands into vector
3810         with correct order.
3811
3812 2007-08-29  Jie Zhang  <jie.zhang@analog.com>
3813
3814         * config/bfin/bfin.c (bfin_expand_call): Inline PLT with l1_text
3815         attribute when appropriate.
3816         (bfin_handle_l1_text_attribute): New.
3817         (bfin_handle_l1_data_attribute): New.
3818         (bfin_attribute_table): Add attributes: l1_text, l1_data,
3819         l1_data_A and l1_data_B.
3820         * doc/extend.texi (node Function Attributes): Document l1_text
3821         function attribute.
3822         (Variable Attributes): Add Blackfin subsection. Document l1_data,
3823         l1_data_A and l1_data_B variable attributes.
3824
3825 2007-08-28  Jie Zhang  <jie.zhang@analog.com>
3826
3827         * config/bfin/bfin.opt (minline-plt): Add.
3828         * config/bfin/bfin.c (bfin_expand_call): Inline PLT when emit
3829         call to global functions.
3830         * doc/invoke.texi (Option Summary): Mention -minline-plt.
3831         (Blackfin Options): Document -minline-plt.
3832
3833 2007-08-28  Nathan Sidwell  <nathan@codesourcery.com>
3834
3835         * config/m68k/m68k.c (m68k_get_function_kind): Assert we're never
3836         given a non-function.
3837         (m68k_ok_for_sibcall_p): Only sibcall functions of the same kind.
3838
3839 2007-08-28  DJ Delorie  <dj@redhat.com>
3840
3841         * config/sh/sh.c (sh_gimplify_va_arg_expr): Fix sh2a support.
3842
3843 2007-08-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3844
3845         * system.h (CONST_CAST): Avoid union for gcc-4.0.x.
3846
3847 2007-08-28  Richard Guenther  <rguenther@suse.de>
3848
3849         * tree.h (struct tree_function_decl): Increase size of
3850         function_code bitfield.
3851
3852 2007-08-28  Nathan Sidwell  <nathan@codesourcery.com>
3853             Kazu Hirata  <kazu@codesourcery.com>
3854
3855         * gcc/config/m68k/linux.h
3856         (M68K_HONOR_TARGET_STRICT_ALIGNMENT): Redefine as 0.
3857         * config/m68k/m68k.c (TARGET_RETURN_IN_MEMORY): New.
3858         (m68k_return_in_memory): New.
3859         * gcc/config/m68k/m68k.h (M68K_HONOR_TARGET_STRICT_ALIGNMENT):
3860         New.
3861
3862 2007-08-28  Uros Bizjak  <ubizjak@gmail.com>
3863
3864         PR target/32661
3865         * simplify-rtx.c (simplify_binary_operation_1) [VEC_SELECT]:
3866         Simplify nested VEC_SELECT (with optional VEC_CONCAT operator as
3867         operand) when top VEC_SELECT extracts scalar element.
3868         * config/i386/sse.md (*vec_extract_v4si_mem): New pattern.
3869         (*vec_extract_v4sf_mem): Ditto.
3870
3871 2007-08-28  Jakub Jelinek  <jakub@redhat.com>
3872
3873         PR middle-end/32370
3874         * passes.c (init_optimization_passes): Move pass_df_finish
3875         after pass_postreload sublist.
3876
3877         PR rtl-optimization/33148
3878         * simplify-rtx.c (simplify_unary_operation_1): Only optimize
3879         (neg (lt X 0)) if X has scalar int mode.
3880
3881         PR debug/32914
3882         * dwarf2out.c (rtl_for_decl_init): If vector decl has CONSTRUCTOR
3883         initializer, use build_vector_from_ctor if possible to create
3884         VECTOR_CST out of it.  If vector initializer is not VECTOR_CST
3885         even after this, return NULL.
3886
3887 2007-08-28  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3888
3889         * c-pretty-print.c (pp_c_constant): Handle COMPLEX_CST.
3890
3891 2007-08-28  Richard Guenther  <rguenther@suse.de>
3892
3893         * tree.h (DECL_DISREGARD_INLINE_LIMITS): New.
3894         (struct tree_function_decl): Make function_code a bitfield.
3895         Add disregard_inline_limits flag.
3896         * cgraphunit.c (cgraph_process_new_functions): Check
3897         DECL_DISREGARD_INLINE_LIMITS instead of disregard_inline_limits_p.
3898         (cgraph_preserve_function_body_p): Likewise.
3899         * ipa-inline.c (compute_inline_parameters): Likewise.
3900         * c-decl.c (finish_function): Set DECL_DISREGARD_INLINE_LIMITS
3901         for GNU C extern inline functions.
3902         (merge_decls): Merge DECL_DISREGARD_INLINE_LIMITS.
3903         * tree-inline.c (disregard_inline_limits_p): Remove.
3904         * tree-inline.h (disregard_inline_limits_p): Likewise.
3905         * c-common.c (handle_always_inline_attribute): Set
3906         DECL_DISREGARD_INLINE_LIMITS.
3907         * langhooks.c (add_builtin_function): Verify the function code
3908         fits in the bitfield.
3909
3910 2007-08-28  Mircea Namolaru  <namolaru@il.ibm.com>
3911             Vladimir Yanovsky  <yanov@il.ibm.com>
3912             Revital Eres  <eres@il.ibm.com>
3913             Andrey Belevantsev  <abel@ispras.ru>
3914
3915         * config/spu/spu.md: Recognize doloop pattern when -fmodulo-sched
3916         is set.
3917         * modulo-sched.c: Add documentation regarding do-loop.
3918         (doloop_register_get): Change number of arguments to support
3919         the new do-loop pattern and check whether COUNT_REG has no other
3920         occurences in the loop besides in the control part.
3921         (duplicate_insns_of_cycles): Do not duplicate the insn which
3922         changes count_reg as it is already adjusted.
3923         (generate_prolog_epilog): New argument to support the new
3924         do-loop pattern.  Change the subtract instruction to use
3925         expand_simple_binop.  Call duplicate_insns_of_cycles with new
3926         argument.
3927         (sms_schedule): Call doloop_register_get and
3928         generate_prolog_epilog with new argument.  Do not handle loops
3929         with single sets insns with subreg in their lhs.
3930         * loop-doloop.c (doloop_optimize): Support for another do-loop
3931         pattern.
3932         (doloop_condition_get): Gets an instruction instead of a pattern
3933         and change the return condition when the do-loop pattern is
3934         not parallel.
3935         * ddg.c (create_ddg_dep_from_intra_loop_link): Handle only reg
3936         deps when considering to not create edges.
3937
3938 2007-08-27  Alexandre Oliva  <aoliva@redhat.com>
3939
3940         * doc/extend.texi (gnu_inline funtion attribute): Document C++
3941         behavior.
3942
3943 2007-08-27  Jason Merrill  <jason@redhat.com>
3944
3945         PR c++/31337
3946         * gimplify.c (gimplify_modify_expr): Discard the assignment of 
3947         zero-sized types after calling gimplify_modify_expr_rhs.
3948
3949 2007-08-27  Sandra Loosemore  <sandra@codesourcery.com>
3950
3951         * regclass.c (init_reg_autoinc): Fix typo.
3952
3953 2007-08-27  Daniel Berlin  <dberlin@dberlin.org>
3954         
3955         Fix PR tree-optimization/33173
3956         * tree-ssa-alias.c (find_used_portions): Fix reversed test.
3957
3958 2007-08-27  H.J. Lu  <hongjiu.lu@intel.com>
3959
3960         PR target/31385
3961         * config/i386/i386.h (VALID_DFP_MODE_P): New.
3962         * config/i386/i386.c (ix86_hard_regno_mode_ok): Allow DFP in
3963         GPR.
3964
3965 2007-08-27  Sandra Loosemore  <sandra@codesourcery.com>
3966             David Ung  <davidu@mips.com>
3967             Nigel Stephens <nigel@mips.com>
3968
3969         Separate target-specific initialization from general
3970         back-end initialization.
3971
3972         * toplev.c (init_alignments): New, split out from...
3973         (process_options): ...here.
3974         (backend_init_target): New, split out from...
3975         (backend_init): ...here.
3976         (lang_dependent_init_target): New, split out from...
3977         (lang_dependent_init): ...here.
3978         (target_reinit): New.
3979         * toplev.h (target_reinit): Declare.
3980         * expr.c (init_expr_target): Renamed from init_expr_once, since it
3981         now can be called more than once.  Update comments.
3982         * expr.h (init_expr_target): Likewise.
3983         * alias.c (init_alias_target): Renamed from init_alias_once, since it
3984         now can be called more than once.  Explicitly zero
3985         static_reg_base_value.
3986         * emit-rtl.c (init_emit_regs): New, split out from...
3987         (init_emit_once): Here.
3988         * regclass.c (initial_fixed_regs, initial_call_used_regs): Make
3989         non-const, so that changes from command-line arguments can overwrite
3990         values provided by the static initializers.
3991         (initial_call_really_used_regs): New, used similarly to the above.
3992         (initial_reg_names): Likewise.
3993         (last_mode_for_init_move_cost): Promoted function-local static to
3994         file-scope static to make it accessible outside init_move_cost.
3995         (init_reg_sets): Do not initialize fixed_regs and call_used_regs yet.
3996         Do not initialize inv_reg_alloc_order yet, either.  Do initialize
3997         reg_names since it is needed for parsing command-line options.
3998         (init_move_cost): Use last_mode_for_init_move_cost instead of
3999         function-local static.
4000         (init_reg_sets_1): Initialize fixed_regs, call_used_regs, and
4001         call_really_used_regs now.  Reinitialize reg_names.  Also
4002         initialize inv_reg_alloc_order.  Zero reg_class_subunion and
4003         reg_class_superunion.  Clear losing_caller_save_reg_set.
4004         Preserve global registers if called more than once.  Reset
4005         move cost, may_move_in_cost, may_move_out_cost, and
4006         last_mode_for_init_move_cost.
4007         (init_reg_modes_target): Renamed from init_reg_modes_once, since it
4008         can now be invoked more than once.  Update comments.
4009         (init_regs): Update comments.
4010         (fix_register): Update initial_fixed_regs, initial_call_used_regs,
4011         and initial_call_really_used_regs, instead of the non-initial 
4012         variables.  This allows us to save the command-line register settings
4013         after target reinitialization.
4014         (init_reg_autoinc): Zero forbidden_inc_dec_classes.
4015         * rtl.h (init_emit_regs): Declare.
4016         (init_reg_modes_target, init_alias_target): Renamed as described
4017         above.
4018         * reload1.c (init_reload): Update comments.
4019         * optabs.c (init_optabs): Likewise.
4020         * cfgloopanal.c (init_set_costs): Explicitly zero target_avail_regs.
4021         
4022 2007-08-26  Chao-ying Fu  <fu@mips.com>
4023
4024         * rtl.h (XCNMPFV): Preserve const-ness of parameters through use of
4025         __typeof().
4026
4027 2007-08-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4028
4029         * alias.c (memory_modified_1, memory_modified_in_insn_p):
4030         Constify.
4031         * basic-block.h (tree_predicted_by_p, rtl_predicted_by_p):
4032         Likewise.
4033         * bb-reorder.c (copy_bb_p): Likewise.
4034         * cfghooks.c (can_remove_branch_p, can_merge_blocks_p,
4035         predicted_by_p, can_duplicate_block_p, block_ends_with_call_p,
4036         block_ends_with_condjump_p): Likewise.
4037         * cfghooks.h (can_remove_branch_p, can_merge_blocks_p,
4038         predicted_by_p, can_duplicate_block_p, block_ends_with_call_p,
4039         block_ends_with_condjump_p): Likewise.
4040         * cfglayout.c (cfg_layout_can_duplicate_bb_p): Likewise.
4041         * cfgrtl.c (can_delete_note_p, can_delete_label_p,
4042         rtl_can_merge_blocks, cfg_layout_can_merge_blocks_p,
4043         rtl_block_ends_with_call_p, rtl_block_ends_with_condjump_p,
4044         need_fake_edge_p, rtl_can_remove_branch_p): Likewise.
4045         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Use
4046         debug_true_const_tree instad of debug_true_tree.
4047         * debug.c (do_nothing_debug_hooks): Likewise.
4048         * debug.h (ignore_block, debug_true_const_tree): Constify.
4049         * dwarf2out.c (stack_adjust_offset, clobbers_queued_reg_save,
4050         dwarf2out_ignore_block, is_pseudo_reg, is_tagged_type,
4051         decl_ultimate_origin, block_ultimate_origin, lookup_decl_loc,
4052         same_dw_val_p, add_ranges, is_subrange_type, type_is_enum,
4053         dbx_reg_number, is_based_loc, field_type,
4054         simple_type_align_in_bits, simple_decl_align_in_bits,
4055         simple_type_size_in_bits, field_byte_offset, insert_float,
4056         type_tag, member_declared_type, is_redundant_typedef,
4057         secname_for_decl, is_inlined_entry_point): Likewise.
4058         * emit-rtl.c (const_next_insn, const_previous_insn,
4059         const_next_nonnote_insn, const_prev_nonnote_insn,
4060         const_next_real_insn, const_prev_real_insn,
4061         const_next_active_insn, const_prev_active_insn, const_next_label,
4062         const_prev_label): Likewise.
4063         * except.h (lookup_stmt_eh_region_fn, lookup_stmt_eh_region):
4064         Likewise.
4065         * haifa-sched.c (may_trap_exp, haifa_classify_insn,
4066         find_set_reg_weight, no_real_insns_p, find_set_reg_weight,
4067         sched_insn_is_legitimate_for_speculation_p): Likewise.
4068         * jump.c (reversed_comparison_code_parts,
4069         reversed_comparison_code, reversed_comparison, condjump_label):
4070         Likewise.
4071         * predict.c (rtl_predicted_by_p, tree_predicted_by_p): Likewise.
4072         * reg-stack.c (stack_regs_mentioned_p, stack_regs_mentioned):
4073         Likewise.
4074         * rtl.h (const_previous_insn, const_next_insn,
4075         const_prev_nonnote_insn, const_next_nonnote_insn,
4076         const_prev_real_insn, const_next_real_insn,
4077         const_prev_active_insn, const_next_active_insn, const_prev_label,
4078         const_next_label, modified_between_p, modified_in_p,
4079         const_note_storeskeep_with_call_p, condjump_label,
4080         reversed_comparison, reversed_comparison_code,
4081         reversed_comparison_code_parts, memory_modified_in_insn_p,
4082         stack_regs_mentioned): Likewise.
4083         * rtlanal.c (modified_between_p, modified_in_p, const_note_stores,
4084         keep_with_call_p): Likewise.
4085         * sched-deps.c (deps_may_trap_p, sched_get_condition,
4086         conditions_mutex_p, sched_insns_conditions_mutex_psd_next_list,
4087         sd_lists_size, sd_lists_empty_p): Likewise.
4088         * sched-int.h (sched_insns_conditions_mutex_p,
4089         haifa_classify_insn, no_real_insns_p,
4090         sched_insn_is_legitimate_for_speculation_p, sd_next_list,
4091         sd_lists_size, sd_lists_empty_p): Likewise.
4092         * sdbout.c (sdb_debug_hooks): Likewise.
4093         * tree-cfg.c (tree_can_merge_blocks_p, is_ctrl_altering_stmt,
4094         stmt_ends_bb_p, tree_can_remove_branch_p, tree_can_duplicate_bb_p,
4095         -tree_block_ends_with_call_p, tree_block_ends_with_condjump_p):
4096         Likewise.
4097         * tree-eh.c (lookup_stmt_eh_region_fn, lookup_stmt_eh_region,
4098         tree_can_throw_internal): Likewise.
4099         * tree-flow-inline.h (phi_nodes): Likewise.
4100         * tree-flow.h (phi_nodesstmt_ends_bb_p, is_ctrl_altering_stmt,
4101         tree_can_throw_internal, lookup_stmt_eh_region): Likewise.
4102         * tree-gimple.c (const_get_call_expr_in): Likewise.
4103         * tree-gimple.h (const_get_call_expr_in): Likewise.
4104         * tree.c (const_lookup_attribute, attribute_list_equal,
4105         attribute_list_contained): Likewise.
4106         * tree.h (attribute_list_equal, attribute_list_contained,
4107         const_lookup_attribute): Likewise.
4108         * vmsdbgout.c (vmsdbgout_ignore_block): Likewise.
4109
4110 2007-08-26  Bernhard Fischer  <aldot@gcc.gnu.org>
4111
4112         * tree-ssa-sccvn.c, tree-ssa-sccvn.h, tree-vn.c,
4113         tree-ssa-pre.c: Remove unnecessary trailing whitespace.
4114
4115 2007-08-26  H.J. Lu  <hongjiu.lu@intel.com>
4116
4117         PR target/32991
4118         * config/alpha/constraints.md: Delete "svn:mime-type" property
4119         with svn propdel "svn:mime-type".
4120
4121 2007-08-26  H.J. Lu  <hongjiu.lu@intel.com>
4122
4123         PR middle-end/33181
4124         * ifcvt.c (noce_get_alt_condition): Make sure that the previous
4125         non NOTE insn doesn't cross basic block.
4126         (noce_try_abs): Likewise.
4127         (noce_process_if_block): Likewise.
4128
4129 2007-08-26  David Edelsohn  <edelsohn@gnu.org>
4130
4131         PR target/33151
4132         * config/rs6000/predicates.md (offsettable_mem_operand): Memory
4133         operand without auto-inc-dec.
4134         * config/rs6000/rs6000.md (floatsidf2_internal): Use
4135         offsettable_mem_operand.
4136         (floatunssidf2_internal): Same.
4137         (fix_truncdfsi2_internal): Same.
4138         (floatsidf_ppc64): Same.
4139         (floatunssidf_ppc64): Same.
4140         (fix_trunctfsi2_internal): Same.
4141
4142 2007-08-26  Bernhard Fischer  <aldot@gcc.gnu.org>
4143
4144         PR bootstrap/30620
4145         * Makefile.in (libbackend.o): Add gcov-iov.h dependency and
4146         pass defines needed for version.c.
4147
4148 2007-08-25  Joseph Myers  <joseph@codesourcery.com>
4149
4150         * configure.ac (--debug-prefix-map check): Change assembler
4151         version presumed to have feature to 2.18.
4152         * configure: Regenerate.
4153
4154 2007-08-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4155
4156         * c-common.c (vector_types_convertible_p,
4157         decl_with_nonnull_addr_p, c_promoting_integer_type_p,
4158         self_promoting_args_p): Constify.
4159         * c-common.h (has_c_linkage, decl_with_nonnull_addr_p,
4160         c_promoting_integer_type_p, self_promoting_args_p,
4161         anon_aggr_type_p, vector_types_convertible_p): Likewise.
4162         * c-decl.c (anon_aggr_type_p): Likewise.
4163         * * c-dump.c (dump_stmt): Likewise.
4164         * c-objc-common.c (has_c_linkage): Likewise.
4165         * c-tree.h (same_translation_unit_p): Likewise.
4166         * c-typeck.c (null_pointer_constant_p,
4167         tagged_types_tu_compatible_p, function_types_compatible_p,
4168         type_lists_compatible_p, lvalue_or_else, lvalue_p,
4169         comptypes_internal, struct tagged_tu_seen_cache,
4170         same_translation_unit_p, alloc_tagged_tu_seen_cache,
4171         c_size_in_bytes): Likewise.
4172         * ggc-common.c (compare_ptr_data, hash_descriptor, eq_descriptor,
4173         hash_ptr, eq_ptr): Likewise.
4174         * langhooks-def.h (lhd_decl_ok_for_sibcall,
4175         LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE): Likewise.
4176         * langhooks.c (lhd_decl_ok_for_sibcall): Likewise.
4177         * langhooks.h (ok_for_sibcall, omp_privatize_by_reference):
4178         Likewise.
4179         * optabs.c (optab_for_tree_code): Likewise.
4180         * optabs.h (optab_for_tree_code): Likewise.
4181         * rtl.h (simplify_rtx): Likewise.
4182         * simplify-rtx.c (simplify_rtx): Likewise.
4183         * tree-dump.c (queue, queue_and_dump_index, queue_and_dump_type,
4184         dump_flag, dump_node): Likewise.
4185         * tree-dump.h (struct dump_info, dump_stmt, queue_and_dump_index,
4186         queue_and_dump_type, dump_flag): Likewise.
4187         * tree-flow.h (vect_can_force_dr_alignment_p): Likewise.
4188         * tree-pass.h (dump_node): Likewise.
4189         * tree-vectorizer.c (vect_can_force_dr_alignment_p,
4190         supportable_narrowing_operation): Likewise.
4191         * tree-vectorizer.h (vect_can_force_dr_alignment_p,
4192         supportable_narrowing_operation): Likewise.
4193         * tree-vrp.c (needs_overflow_infinity, supports_overflow_infinity,
4194         is_negative_overflow_infinity, is_positive_overflow_infinity,
4195         is_overflow_infinity, vrp_val_is_max, vrp_val_is_min,
4196         nonnull_arg_p, get_value_range, vrp_operand_equal_p,
4197         update_value_range, add_equivalence, ssa_name_nonnegative_p,
4198         ssa_name_nonzero_p, fp_predicate): Likewise.
4199         * tree.c (auto_var_in_fn_p, empty_body_p): Likewise.
4200         * tree.h (empty_body_p, auto_var_in_fn_p, ssa_name_nonzero_p,
4201         ssa_name_nonnegative_p): Likewise.
4202
4203 2007-08-25  Hans Kester  <hans.kester@ellips.nl>
4204
4205         * config.gcc : Add x86_64-elf target.
4206
4207 2007-08-25  Jakub Jelinek  <jakub@redhat.com>
4208
4209         * expr.c (store_expr): Fix order of store_by_pieces arguments.
4210
4211 2007-08-24  Sandra Loosemore  <sandra@codesourcery.com>
4212             Nigel Stephens <nigel@mips.com>
4213
4214         PR target/11787
4215
4216         * doc/tm.texi (SET_RATIO, SET_BY_PIECES_P): Document new macros.
4217         (STORE_BY_PIECES_P): No longer applies to __builtin_memset.
4218         * expr.c (SET_BY_PIECES_P): Define.
4219         (can_store_by_pieces, store_by_pieces): Add MEMSETP argument; use
4220         it to decide whether to use SET_BY_PIECES_P or STORE_BY_PIECES_P.
4221         (store_expr): Pass MEMSETP argument to can_store_by_pieces and
4222         store_by_pieces.
4223         * expr.h (SET_RATIO): Define.
4224         (can_store_by_pieces, store_by_pieces): Update prototypes.
4225         * builtins.c (expand_builtin_memcpy): Pass MEMSETP argument to
4226         can_store_by_pieces/store_by_pieces.
4227         (expand_builtin_memcpy_args): Likewise.
4228         (expand_builtin_strncpy): Likewise.
4229         (expand_builtin_memset_args): Likewise.  Also remove special case
4230         for optimize_size so that can_store_by_pieces/SET_BY_PIECES_P can
4231         decide what to do instead.
4232         * value-prof.c (tree_stringops_transform): Pass MEMSETP argument
4233         to can_store_by_pieces.
4234
4235         * config/sh/sh.h (SET_BY_PIECES_P): Clone from STORE_BY_PIECES_P.
4236         * config/s390/s390.h (SET_BY_PIECES_P): Likewise.
4237
4238         * config/mips/mips.opt (mmemcpy): Change from Var to Mask.
4239         * config/mips/mips.c (override_options): Make -Os default to -mmemcpy.
4240         * config/mips/mips.h (MIPS_CALL_RATIO): Define.
4241         (MOVE_RATIO, CLEAR_RATIO, SET_RATIO): Define.
4242         (STORE_BY_PIECES_P): Define.
4243
4244 2007-08-24  Tom Tromey  <tromey@redhat.com>
4245
4246         * varpool.c (varpool_last_needed_node): Fix comment typo.
4247         * c-decl.c (duplicate_decls): Fix comment typo.
4248         (clone_underlying_type): Update comment.
4249
4250 2007-08-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4251
4252         * config/alpha/alpha.c (alpha_mangle_type, decl_has_samegp,
4253         alpha_in_small_data_p, alpha_split_complex_arg,
4254         alpha_stdarg_optimize_hook, TARGET_ASM_CAN_OUTPUT_MI_THUNK):
4255         Constify.
4256         * config/arm/arm-protos.h (arm_mangle_type): Likewise.
4257         * config/arm/arm.c (arm_comp_type_attributes, arm_mangle_type):
4258         Likewise.
4259         * config/bfin/bfin.c (funkind, bfin_comp_type_attributes,
4260         TARGET_ASM_CAN_OUTPUT_MI_THUNK): Likewise.
4261         * config/darwin-protos.h (darwin_binds_local_p): Likewise.
4262         * config/darwin.c (darwin_binds_local_p): Likewise.
4263         * config/frv/frv.c (frv_string_begins_with, frv_in_small_data_p):
4264         Likewise.
4265         * config/i386/i386-protos.h (i386_pe_binds_local_p,
4266         i386_pe_valid_dllimport_attribute_p): Likewise.
4267         * config/i386/i386.c (ix86_function_regparm,
4268         ix86_comp_type_attributes, ix86_ms_bitfield_layout_p,
4269         x86_can_output_mi_thunk, ix86_mangle_type,
4270         TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4271         * config/i386/winnt.c (i386_pe_valid_dllimport_attribute_p,
4272         i386_pe_binds_local_p): Likewise.
4273         * config/ia64/ia64.c
4274         (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4275         ia64_needs_block_p, ia64_in_small_data_p, ia64_mangle_type,
4276         ia64_invalid_conversion, ia64_invalid_unary_op,
4277         ia64_invalid_binary_op, TARGET_ASM_CAN_OUTPUT_MI_THUNK):
4278         Likewise.
4279         * config/m32c/m32c.c (m32c_comp_type_attributes): Likewise.
4280         * config/m32r/m32r.c (m32r_in_small_data_p): Likewise.
4281         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Likewise.
4282         * config/mips/mips.c (mips_use_blocks_for_constant_p,
4283         mips_in_small_data_p, mips_use_anchors_for_symbol_p,
4284         mips_comp_type_attributes, TARGET_ASM_CAN_OUTPUT_MI_THUNK,
4285         mips_near_type_p, mips_far_type_p, mips_global_symbol_p,
4286         mips_symbol_binds_local_p, mips_classify_symbol): Likewise.
4287         * config/pa/pa.c (pa_commutative_p): Likewise.
4288         * config/rs6000/rs6000-protos.h (rs6000_elf_in_small_data_p):
4289         Likewise.
4290         * config/rs6000/rs6000.c (rs6000_invalid_within_doloop,
4291         rs6000_ms_bitfield_layout_p, rs6000_mangle_type,
4292         rs6000_use_blocks_for_constant_p,
4293         rs6000_vector_alignment_reachable, rs6000_is_opaque_type,
4294         invalid_arg_for_unprototyped_fn, TARGET_ASM_CAN_OUTPUT_MI_THUNK,
4295         TARGET_SPLIT_COMPLEX_ARG, rs6000_elf_in_small_data_p): Likewise.
4296         * config/s390/s390.c (s390_mangle_type,
4297         TARGET_ASM_CAN_OUTPUT_MI_THUNK, TARGET_INVALID_WITHIN_DOLOOP):
4298         Likewise.
4299         * config/score/score.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK,
4300         th_in_small_data_p): Likewise.
4301         * config/sh/sh.c (sh_ms_bitfield_layout_p,
4302         sh_dwarf_calling_convention, TARGET_ASM_CAN_OUTPUT_MI_THUNK):
4303         Likewise.
4304         * config/sparc/sparc.c (sparc_can_output_mi_thunk,
4305         sparc_mangle_type): Likewise.
4306         * config/spu/spu.c (spu_vector_alignment_reachable): Likewise.
4307         * config/xtensa/xtensa.c (TARGET_SPLIT_COMPLEX_ARG): Likewise.
4308         * emit-rtl.c (const_fixed_htab_hash, const_fixed_htab_eq):
4309         Likewise.
4310         * hooks.c (hook_bool_mode_const_rtx_false,
4311         hook_bool_mode_const_rtx_true,
4312         hook_bool_const_tree_hwi_hwi_const_tree_false,
4313         hook_bool_const_tree_hwi_hwi_const_tree_true,
4314         hook_int_const_tree_0, hook_int_const_tree_const_tree_1,
4315         hook_constcharptr_const_tree_null,
4316         hook_constcharptr_const_rtx_null,
4317         hook_constcharptr_const_tree_const_tree_null,
4318         hook_constcharptr_int_const_tree_null,
4319         hook_constcharptr_int_const_tree_const_tree_null): New.
4320         (hook_bool_mode_rtx_false, hook_bool_mode_rtx_true,
4321         hook_bool_tree_hwi_hwi_tree_false,
4322         hook_bool_tree_hwi_hwi_tree_true, hook_int_tree_0,
4323         hook_int_tree_tree_1, hook_constcharptr_tree_null,
4324         hook_constcharptr_rtx_null, hook_constcharptr_tree_tree_null,
4325         hook_constcharptr_int_tree_null,
4326         hook_constcharptr_int_tree_tree_null): Delete.
4327         (default_can_output_mi_thunk_no_vcall): Constify.
4328         * hooks.h (hook_bool_mode_rtx_false, hook_bool_mode_rtx_true,
4329         hook_bool_tree_hwi_hwi_tree_false,
4330         hook_bool_tree_hwi_hwi_tree_true, hook_int_tree_0,
4331         hook_int_tree_tree_1, hook_constcharptr_tree_null,
4332         hook_constcharptr_rtx_null, hook_constcharptr_tree_tree_null,
4333         hook_constcharptr_int_tree_null,
4334         hook_constcharptr_int_tree_tree_null): Delete.
4335         (hook_bool_mode_const_rtx_false, hook_bool_mode_const_rtx_true,
4336         hook_bool_const_tree_hwi_hwi_const_tree_false,
4337         hook_bool_const_tree_hwi_hwi_const_tree_true,
4338         hook_int_const_tree_0, hook_int_const_tree_const_tree_1,
4339         hook_constcharptr_const_tree_null,
4340         hook_constcharptr_const_rtx_null,
4341         hook_constcharptr_const_tree_const_tree_null,
4342         hook_constcharptr_int_const_tree_null,
4343         hook_constcharptr_int_const_tree_const_tree_null): New.
4344         (default_can_output_mi_thunk_no_vcall): Constify.
4345         * integrate.c (function_attribute_inlinable_p): Likewise.
4346         * integrate.h (function_attribute_inlinable_p): Likewise.
4347         * jump.c (rtx_renumbered_equal_p): Likewise.
4348         * output.h (decl_readonly_section, categorize_decl_for_section,
4349         default_use_anchors_for_symbol_p, default_binds_local_p,
4350         default_binds_local_p_1): Likewise.
4351         * rtl.h (rtx_renumbered_equal_p, decl_default_tls_model):
4352         Likewise.
4353         * target-def.h (TARGET_ASM_CAN_OUTPUT_MI_THUNK,
4354         TARGET_VALID_DLLIMPORT_ATTRIBUTE_P, TARGET_VECTOR_OPAQUE_P,
4355         TARGET_COMMUTATIVE_P, TARGET_USE_BLOCKS_FOR_CONSTANT_P,
4356         TARGET_COMP_TYPE_ATTRIBUTES,
4357         TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P,
4358         TARGET_MS_BITFIELD_LAYOUT_P, TARGET_MANGLE_TYPE,
4359         TARGET_IN_SMALL_DATA_P, TARGET_INVALID_CONVERSION,
4360         TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP,
4361         TARGET_DWARF_CALLING_CONVENTION): Likewise.
4362         * target.h (can_output_mi_thunk, needs_block_p,
4363         first_cycle_multipass_dfa_lookahead_guard_spec,
4364         vector_alignment_reachable, comp_type_attributes,
4365         function_attribute_inlinable_p, ms_bitfield_layout_p, mangle_type,
4366         commutative_p, use_blocks_for_constant_p,
4367         use_anchors_for_symbol_p, in_small_data_p, binds_local_p,
4368         vector_opaque_p, dwarf_calling_convention, stdarg_optimize_hook,
4369         invalid_within_doloop, valid_dllimport_attribute_p,
4370         split_complex_arg, invalid_arg_for_unprototyped_fn,
4371         invalid_conversion, invalid_unary_op, invalid_binary_op):
4372         Likewise.
4373         * targhooks.c (default_invalid_within_doloop,
4374         hook_invalid_arg_for_unprototyped_fn,
4375         default_builtin_vector_alignment_reachable): Likewise.
4376         (hook_bool_rtx_commutative_p): Delete.
4377         (hook_bool_const_rtx_commutative_p): New.
4378         * targhooks.h (default_invalid_within_doloop,
4379         default_builtin_vector_alignment_reachable,
4380         hook_invalid_arg_for_unprototyped_fn): Constify.
4381         (hook_bool_rtx_commutative_p): Delete.
4382         (hook_bool_const_rtx_commutative_p): New.
4383         * varasm.c (bss_initializer_p, decl_default_tls_model,
4384         categorize_decl_for_section, decl_readonly_section,
4385         default_use_anchors_for_symbol_p, default_binds_local_p,
4386         default_binds_local_p_1): Constify.
4387
4388 2007-08-24  Jie Zhang  <jie.zhang@analog.com>
4389
4390         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4391         __NO_BUILTIN if -fno-builtin.
4392
4393 2007-08-24  Jie Zhang  <jie.zhang@analog.com>
4394
4395         * config/bfin/bfin.c (print_operand): Report error instead of
4396         ICE for wrong operand.
4397
4398 2007-08-24  Michael Matz  <matz@suse.de>
4399
4400         * Makefile.in (GTFILES_H): Use $(patsubst) instead of $(subst).
4401
4402 2007-08-24  Richard Guenther  <rguenther@suse.de>
4403
4404         PR middle-end/33166
4405         * tree-ssa.c (useless_type_conversion_p): Split into a
4406         recursive and a non-recursive part.
4407         (useless_type_conversion_p_1): New function.
4408         * tree-ssa-ccp.c (fold_stmt_r): Make sure that the result
4409         from maybe_fold_offset_to_reference is trivially convertible
4410         to the desired type before doing the simplification.
4411
4412 2007-08-24  Jakub Jelinek  <jakub@redhat.com>
4413
4414         * expr.c (store_expr): Optimize initialization of an array
4415         with STRING_CST.
4416         * expr.h (builtin_strncpy_read_str): New prototype.
4417         * builtins.c (builtin_strncpy_read_str): Remove prototype.
4418         No longer static.
4419
4420 2007-08-24  Uros Bizjak  <ubizjak@gmail.com>
4421
4422         PR middle-end/33157
4423         * ifcvt.c (noce_find_if_block): Do not clear if_info.cond_earliest
4424         field when initializing if_info structure.
4425
4426 2007-08-24  Richard Guenther  <rguenther@suse.de>
4427
4428         * Makefile.in (tree-inline.o): Add $(TARGET_H) and $(INTEGRATE_H)
4429         dependencies.
4430         * c-objc-common.c (c_cannot_inline_tree_fn): Remove.
4431         * langhooks.c (lhd_tree_inlining_cannot_inline_tree_fn): Likewise.
4432         * tree-inline.c (inlinable_function_p): Fold in common parts of
4433         the cannot_inline_tree_fn langhook.
4434         * langhooks-def.h (lhd_tree_inlining_cannot_inline_tree_fn): Remove.
4435         (LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN): Likewise.
4436         (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove initializer for
4437         cannot_inline_tree_fn langhook.
4438         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
4439         cannot_inline_tree_fn member.
4440
4441 2007-08-24  Richard Guenther  <rguenther@suse.de>
4442
4443         * expr.c (get_inner_reference): Do computation of bitoffset
4444         from offset in a way we can detect overflow reliably.
4445
4446 2007-08-24  Jie Zhang  <jie.zhang@analog.com>
4447
4448         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define for uClibc.
4449
4450 2007-08-24  Jie Zhang  <jie.zhang@analog.com>
4451
4452         * config/bfin/bfin.opt (mfast-fp): Add.
4453         * config/bfin/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Let
4454         libbffastfp override libgcc if -mfast-fp.
4455         * config/bfin/bfin.h (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
4456         * doc/invoke.texi (Option Summary): Mention -mfast-fp.
4457         (Blackfin Options): Document -mfast-fp.
4458
4459 2007-08-24  Jakub Jelinek  <jakub@redhat.com>
4460
4461         PR tree-optimization/32573
4462         PR middle-end/32946
4463         * tree-data-ref.c (initialize_data_dependence_relation): Clear
4464         DDR_SUBSCRIPTS, DDR_DIR_VECTS and DDR_DIST_VECTS at the beginning.
4465         (finalize_ddr_dependent): Clear DDR_SUBSCRIPTS after freeing it.
4466         (build_classic_dist_vector): Return false rather than true if
4467         DDR_ARE_DEPENDENT is non-NULL at the beginning.  Return false
4468         if either subscript_dependence_tester_1 or build_classic_dist_vector_1
4469         returned false.  Don't call save_dist_v before calling
4470         build_classic_dist_vector_1.
4471         (free_dependence_relation): Don't guard freeing DDR_SUBSCRIPTS
4472         with NULL DDR_ARE_DEPENDENT.  Also free DDR_DIST_VECTS and/or
4473         DDR_DIR_VECTS vectors.
4474
4475 2007-08-23  Brian Sidebotham  <brian.sidebotham@gmail.com>
4476
4477         * configure.ac (leb128): Modify sed statement to work with any
4478         binutils version string.
4479         * configure: Regenerate
4480
4481 2007-08-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4482
4483         * config/arc/arc-protos.h arc_select_cc_mode, gen_compare_reg):
4484         Wrap in RTX_CODE macro guard.
4485         * config/arm/pe.c (arm_dllexport_p, arm_dllimport_p,
4486         arm_dllexport_name_p, arm_dllimport_name_p, arm_mark_dllexport,
4487         arm_mark_dllimport, arm_pe_encode_section_info,
4488         arm_pe_unique_section): Use ISO-C function declarations.
4489         * config/c4x/c4x-c.c (c4x_parse_pragma, c4x_pr_CODE_SECTION,
4490         c4x_pr_DATA_SECTION, c4x_pr_FUNC_IS_PURE,
4491         c4x_pr_FUNC_NEVER_RETURNS, c4x_pr_INTERRUPT, c4x_pr_ignored):
4492         Likewise.
4493         * config/iq2000/iq2000.h (ASM_OUTPUT_SKIP): Fix format warning.
4494         * config/m68hc11/m68hc11.h (ASM_OUTPUT_EXTERNAL): Undef before
4495         defining.
4496         * config/mips/mips.h (ASM_DECLARE_OBJECT_NAME): Fix format
4497         warnings.
4498         * config/mn10300/mn10300.h (OUTPUT_ADDR_CONST_EXTRA): Likewise.
4499         * config/pdp11/pdp11.c (pdp11_output_function_epilogue): Likewise.
4500         (register_move_cost): Use ISO-C function declarations.
4501         * config/pdp11/pdp11.h (PRINT_OPERAND): Fix format warnings.
4502         * config/score/score-protos.h (score_declare_object): Add
4503         ATTRIBUTE_PRINTF_4.
4504         * config/score/score.h (ASM_DECLARE_OBJECT_NAME): Fix format
4505         warnings.
4506         * final.c (profile_function): Avoid empty if-bodies.
4507         
4508         
4509         * calls.c (must_pass_in_stack_var_size,
4510         must_pass_in_stack_var_size_or_pad): Constify.
4511         * config/alpha/alpha-protos.h (function_value): Likewise.
4512         * config/alpha/alpha.c (alpha_return_in_memory,
4513         alpha_pass_by_reference, function_value,
4514         unicosmk_must_pass_in_stack, TARGET_PROMOTE_FUNCTION_ARGS,
4515         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES):
4516         Likewise.
4517         * config/arc/arc.c (arc_return_in_memory, arc_pass_by_reference,
4518         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4519         TARGET_PROMOTE_PROTOTYPES): Likewise.
4520         * config/arm/arm-protos.h (arm_return_in_memory,
4521         arm_pad_arg_upward, arm_function_value): Likewise.
4522         * config/arm/arm.c (arm_pass_by_reference,
4523         arm_promote_prototypes, arm_return_in_msb, arm_must_pass_in_stack,
4524         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4525         arm_function_value, arm_return_in_memory, arm_pad_arg_upward):
4526         Likewise.
4527         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
4528         * config/avr/avr-protos.h (avr_function_value): Likewise.
4529         * config/avr/avr.c (avr_return_in_memory,
4530         gas_output_limited_string, gas_output_ascii, avr_function_value,
4531         avr_return_in_memory): Likewise.
4532         * config/bfin/bfin-protos.h (bfin_return_in_memory): Likewise.
4533         * config/bfin/bfin.c (bfin_pass_by_reference,
4534         bfin_return_in_memory, TARGET_PROMOTE_PROTOTYPES,
4535         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN):
4536         Likewise.
4537         * config/cris/cris.c (cris_pass_by_reference,
4538         TARGET_PROMOTE_FUNCTION_ARGS): Likewise.
4539         * config/crx/crx.c (crx_return_in_memory): Likewise.
4540         * config/darwin.c (function_base, machopic_function_base_name):
4541         Likewise.
4542         * config/fr30/fr30.c (fr30_must_pass_in_stack,
4543         TARGET_PROMOTE_PROTOTYPES): Likewise.
4544         * config/frv/frv.c (frv_must_pass_in_stack): Likewise.
4545         * config/h8300/h8300.c (h8300_return_in_memory): Likewise.
4546         * config/i386/i386-protos.h (ix86_return_in_memory,
4547         ix86_sol10_return_in_memory): Likewise.
4548         * config/i386/i386.c (ix86_function_value,
4549         ix86_function_sseregparm, ix86_must_pass_in_stack,
4550         type_natural_mode, classify_argument, examine_argument,
4551         construct_container, ix86_pass_by_reference, function_value_32,
4552         function_value_64, ix86_function_value_1, return_in_memory_32,
4553         return_in_memory_64, return_in_memory_ms_64,
4554         ix86_return_in_memory, ix86_sol10_return_in_memory,
4555         TARGET_PROMOTE_PROTOTYPES): Likewise.
4556         * config/ia64/ia64-protos.h (ia64_function_value,
4557         ia64_hpux_function_arg_padding): Likewise.
4558         * config/ia64/ia64.c (hfa_element_mode, ia64_return_in_memory,
4559         ia64_function_value, bundle_state_hash, bundle_state_eq_p,
4560         ia64_hpux_function_arg_padding): Likewise.
4561         * config/iq2000/iq2000-protos.h (function_arg,
4562         iq2000_function_value): Likewise.
4563         * config/iq2000/iq2000.c (iq2000_return_in_memory,
4564         iq2000_pass_by_reference, TARGET_PROMOTE_FUNCTION_ARGS,
4565         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
4566         function_arg, iq2000_function_value): Likewise.
4567         * config/m32c/m32c-protos.h (m32c_function_value,
4568         m32c_promote_function_return): Likewise.
4569         * config/m32c/m32c.c (m32c_pass_by_reference,
4570         m32c_promote_prototypes, m32c_promote_function_return,
4571         m32c_function_value): Likewise.
4572         * config/m32r/m32r.c (m32r_return_in_memory,
4573         m32r_pass_by_reference, TARGET_PROMOTE_PROTOTYPES,
4574         m32r_in_small_data_p): Likewise.
4575         * config/m68hc11/m68hc11-protos.h (m68hc11_function_arg_padding):
4576         Likewise.
4577         * config/m68hc11/m68hc11.c (m68hc11_return_in_memory,
4578         m68hc11_function_arg_padding): Likewise.
4579         * config/m68k/m68k-protos.h (m68k_function_value): Likewise.
4580         * config/m68k/m68k.c (TARGET_PROMOTE_PROTOTYPES,
4581         m68k_function_value): Likewise.
4582         * config/mcore/mcore-protos.h (mcore_num_arg_regs,
4583         mcore_function_value): Likewise.
4584         * config/mcore/mcore.c (handle_structs_in_regs,
4585         mcore_return_in_memory, TARGET_PROMOTE_FUNCTION_ARGS,
4586         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
4587         mcore_num_arg_regs, mcore_function_value): Likewise.
4588         * config/mips/mips-protos.h (mips_pad_arg_upward,
4589         mips_function_value): Likewise.
4590         * config/mips/mips.c (mips_fpr_return_fields, mips_return_in_msb,
4591         mips_return_in_memory, mips_pass_by_reference, mips_callee_copies,
4592         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4593         TARGET_PROMOTE_PROTOTYPES, mips_pad_arg_upward,
4594         mips_function_value): Likewise.
4595         * config/mmix/mmix-protos.h (mmix_function_outgoing_value):
4596         Likewise.
4597         * config/mmix/mmix.c (mmix_pass_by_reference,
4598         TARGET_PROMOTE_FUNCTION_ARGS, mmix_function_outgoing_value,
4599         mmix_encode_section_info): Likewise.
4600         * config/mn10300/mn10300-protos.h (mn10300_function_value):
4601         Likewise.
4602         * config/mn10300/mn10300.c (mn10300_return_in_memory,
4603         mn10300_pass_by_reference, TARGET_PROMOTE_PROTOTYPES,
4604         mn10300_function_value): Likewise.
4605         * config/mt/mt-protos.h (mt_function_value): Likewise.
4606         * config/mt/mt.c (mt_pass_by_reference, mt_function_value,
4607         mt_pass_in_stack, TARGET_PROMOTE_PROTOTYPES): Likewise.
4608         * config/pa/pa-protos.h (function_arg_padding, function_value,
4609         pa_return_in_memory): Likewise.
4610         * config/pa/pa.c (pa_pass_by_reference,
4611         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
4612         function_arg_padding, function_value, pa_return_in_memory):
4613         Likewise.
4614         * config/pdp11/pdp11.c (pdp11_return_in_memory): Likewise.
4615         * config/rs6000/rs6000-protos.h (rs6000_function_value,
4616         function_arg_padding): Likewise.
4617         * config/rs6000/rs6000.c (rs6000_return_in_memory,
4618         rs6000_darwin64_record_arg_recurse, rs6000_darwin64_record_arg,
4619         rs6000_pass_by_reference, rs6000_must_pass_in_stack,
4620         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4621         function_arg_padding, altivec_expand_dst_builtin,
4622         altivec_expand_builtin, rs6000_expand_builtin, spe_init_builtins,
4623         altivec_init_builtins, rs6000_common_init_builtins,
4624         rs6000_function_value): Likewise.
4625         * s390/s390-protos.h (s390_function_value): Likewise.
4626         * config/s390/s390.c (s390_function_arg_size,
4627         s390_pass_by_reference, s390_return_in_memory,
4628         s390_function_value, TARGET_PROMOTE_FUNCTION_ARGS,
4629         TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
4630         * config/score/score-protos.h (score_function_value): Likewise.
4631         * config/score/score.c (score_arg_partial_bytes,
4632         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4633         TARGET_PROMOTE_PROTOTYPES, score_return_in_memory,
4634         score_pass_by_reference, score_add_offset, score_function_value):
4635         Likewise.
4636         * config/sh/sh-protos.h (sh_attr_renesas_p,
4637         sh_promote_prototypes): Likewise.
4638         * config/sh/sh.c (sh_return_in_memory, sh_pass_by_reference,
4639         sh_callee_copies, sh_promote_prototypes, shcompact_byref,
4640         sh_attr_renesas_p): Likewise.
4641         * config/sparc/sparc-protos.h (function_value,
4642         function_arg_padding): Likewise.
4643         * config/sparc/sparc.c (sparc_promote_prototypes,
4644         sparc_return_in_memory, sparc_pass_by_reference,
4645         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4646         function_arg_record_value_2, function_arg_record_value_1,
4647         function_arg_record_value, function_arg_record_value,
4648         function_arg_padding, function_value): Likewise.
4649         * config/spu/spu-protos.h (spu_function_value): Likewise.
4650         * config/spu/spu.c (spu_pass_by_reference, spu_return_in_memory,
4651         spu_function_value): Likewise.
4652         * config/stormy16/stormy16-protos.h (xstormy16_function_value):
4653         Likewise.
4654         * config/stormy16/stormy16.c (xstormy16_return_in_memory,
4655         xstormy16_function_value, TARGET_PROMOTE_FUNCTION_ARGS,
4656         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES):
4657         Likewise.
4658         * config/v850/v850.c (v850_return_in_memory,
4659         v850_pass_by_reference, TARGET_PROMOTE_PROTOTYPES): Likewise.
4660         * config/vax/vax.c (TARGET_PROMOTE_PROTOTYPES): Likewise.
4661         * config/xtensa/xtensa.c (xtensa_return_in_msb,
4662         xtensa_return_in_memory, TARGET_PROMOTE_FUNCTION_ARGS,
4663         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES):
4664         Likewise.
4665         * explow.c (promote_mode, hard_function_value): Likewise.
4666         * expr.h (hard_function_value, promote_mode): Likewise.
4667         * function.c (aggregate_value_p): Likewise.
4668         * hooks.c (hook_bool_const_tree_true): New.
4669         * hooks.h (hook_bool_const_tree_true): New.
4670         * sdbout.c (SET_KNOWN_TYPE_TAG, plain_type_1): Constify.
4671         * target-def.h (TARGET_PROMOTE_FUNCTION_ARGS,
4672         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
4673         TARGET_RETURN_IN_MSB): Likewise.
4674         * target.h (promote_function_args, promote_function_return,
4675         promote_prototypes, return_in_memory, return_in_msb,
4676         pass_by_reference, must_pass_in_stack, callee_copies,
4677         function_value): Likewise.
4678         * targhooks.c (default_return_in_memory,
4679         hook_pass_by_reference_must_pass_in_stack,
4680         hook_callee_copies_named,
4681         hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false,
4682         hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true,
4683         default_function_value): Likewise. 
4684         * targhooks.h (default_return_in_memory,
4685         hook_pass_by_reference_must_pass_in_stack,
4686         hook_callee_copies_named,
4687         hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false,
4688         hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true,
4689         default_function_value): Likewise.
4690         * tree-ssa-structalias.c (const_equiv_class_label_t): New.
4691         (equiv_class_label_hash, equiv_class_label_eq): Constify.
4692         * tree-vectorizer.c (bb_in_loop_p): Likewise.
4693         * tree.c (needs_to_live_in_memory): Likewise.
4694         * tree.h (struct tree_type, needs_to_live_in_memory,
4695         aggregate_value_p, must_pass_in_stack_var_size,
4696         must_pass_in_stack_var_size_or_pad): Likewise.
4697         * vmsdbgout.c (write_debug_addr, write_debug_delta4,
4698         write_debug_string, ASM_OUTPUT_DEBUG_STRING, write_rtnbeg,
4699         lookup_filename): Likewise.
4700
4701 2007-08-23  Uros Bizjak  <ubizjak@gmail.com>
4702
4703         PR target/17390
4704         * config/i386/i386.c (ix86_expand_fp_compare): Expand fp comparison to
4705         fake fcomi i387 instruction for !TARGET_CMOVE.
4706         (ix86_expand_branch): Expand natural sequence with one jump for
4707         all targets, not only TARGET_CMOVE.
4708         * config/i386/i386.md (*cmpfp_0_cc): New define_insn_and_split
4709         pattern to implement fake fcomi sequence.  Split instruction after
4710         reload to correct compare sequences.
4711         (*cmpfp_xf_cc): Ditto.
4712         (*cmpfp_<mode>_cc): Ditto.
4713         (*cmpfp_u_cc): Ditto.
4714         (*cmpfp_<mode>_cc): Ditto.
4715
4716 2007-08-23  Richard Guenther  <rguenther@suse.de>
4717
4718         * tree-pretty-print.c (dump_generic_node): Annotate
4719         GIMPLE_MODIFY_STMTs with volatile ops with "{v}".
4720
4721 2007-08-23  Richard Guenther  <rguenther@suse.de>
4722
4723         * builtins.c (expand_builtin_mathfn): Wrap argument in
4724         save_expr directly instead of re-building the call.
4725         (expand_builtin_mathfn_2): Likewise.
4726         (expand_builtin_mathfn_3): Likewise.
4727         (expand_builtin_interclass_mathfn): Likewise.
4728         (expand_builtin_int_roundingfn): Set arg.
4729         (expand_builtin_int_roundingfn_2): Likewise.
4730
4731 2007-08-23  Paolo Bonzini  <bonzini@gnu.org>
4732
4733         * config/i386/sse.md (*sse_and<mode>3, *sse_ior<mode>3,
4734         *sse_nand<mode>3, *sse_xor<mode>3): New.
4735
4736 2007-08-23  Uros Bizjak  <ubizjak@gmail.com>
4737
4738         * config/i386/i386.h (PRINT_OPERAND_PUNCT_VALID_P): Add ';' code.
4739         * config/i386/i386.c (print_operand): Handle ';' code.  Output
4740         semicolon for TARGET_MACHO.
4741         * config/i386/sync.md (*sync_compare_and_swap<mode>): Use '%;' to
4742         emit semicolon after 'lock' prefix.
4743         (sync_double_compare_and_swap<mode>): Ditto.
4744         (*sync_double_compare_and_swapdi_pic): Ditto.
4745         (*sync_compare_and_swap_cc<mode>): Ditto.
4746         (sync_double_compare_and_swap_cc<mode>): Ditto.
4747         (*sync_double_compare_and_swap_ccdi_pic): Ditto.
4748         (sync_old_add<mode>): Ditto.
4749         (sync_add<mode>): Ditto.
4750         (sync_sub<mode>): Ditto.
4751         (sync_ior<mode>): Ditto.
4752         (sync_and<mode>): Ditto.
4753         (sync_xor<mode>): Ditto.
4754
4755 2007-08-22  Chao-ying Fu  <fu@mips.com>
4756
4757         * rtl.c (rtx_code_size): Check CONST_FIXED to calcualte correct sizes
4758         in DEF_RTL_EXPR.
4759         (copy_rtx): Handle CONST_FIXED.
4760         (rtx_equal_p): Likewise.
4761         * rtl.h (fixed_value.h): New include.
4762         (rtx_def): Add a new field of fixed_value to u.
4763         (XCNMPFV): Define for accessing fixed_value.
4764         (CONST_FIXED_VALUE, CONST_FIXED_VALUE_HIGH, CONST_FIXED_VALUE_LOW):
4765         Define.
4766         * rtl.def (CONST_FIXED): New constant.
4767         (SS_MULT, US_MULT, SS_DIV, US_DIV, FRACT_CONVERT,
4768         UNSIGNED_FRACT_CONVERT, SAT_FRACT, UNSIGNED_SAT_FRACT, US_NEG,
4769         US_ASHIFT): New codes.
4770         * doc/rtl.texi (Expressions): Document const_fixed, us_neg, ss_mult,
4771         us_mult, ss_div, us_div, us_ashift, fract_convert, sat_fract,
4772         unsigned_fract_convert, unsigned_sat_fract): Document them.
4773         * varasm.c (assemble_integer): Extend to support fixed-point constants
4774         by using different machine classes.
4775         (decode_addr_const): Handle FIXED_CST.
4776         (const_hash_1): Likewise.
4777         (compare_constant): Likewise.
4778         (copy_constant): Likewise.
4779         (const_rtx_hash_1): Handle CONST_FIXED.
4780         (output_constant_pool_2): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
4781         MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
4782         MODE_VECTOR_UACCUM.
4783         (initializer_constant_valid_p): Handle FIXED_CST.
4784         (output_constant): Support FIXED_POINT_TYPE.
4785         * gengenrtl.c (excluded_rtx): Check CONST_FIXED to exclude.
4786         * cse.c (hash_rtx): Support CONST_FIXED.
4787         (exp_equiv_p): Likewise.
4788         (cannon_reg): Likewise.
4789         (fold_rtx): Likewise.
4790         (equiv_constant): Likewise.
4791         (cse_process_notes_1): Likewise.
4792         (count_reg_usage): Likewise.
4793         * cselib.c (entry_and_rtx_equal_p): Check CONST_FIXED.
4794         (rtx_equal_for_cselib_p): Handle CONST_FIXED.
4795         (wrap_constant): Check CONST_FIXED.
4796         (cselib_hash_rtx): Support CONST_FIXED.
4797         (cselib_subst_to_values): Likewise.
4798         * df-scan.c (df_uses_record): Likewise.
4799         * gcse.c (want_to_gcse_p): Likewise.
4800         (oprs_unchanged_p): Likewise.
4801         (oprs_not_set_p): Likewise.
4802         (compute_transp): Likewise.
4803         (extract_mentioned_regs_helper): Likewise.
4804         * genemit.c (gen_exp): Likewise.
4805         * local-alloc.c (equiv_init_varies_p): Likewise.
4806         (contains_replace_regs): Likewise.
4807         (memref_referenced_p): Likewise.
4808         * loop-invariant.c (check_maybe_invariant): Likewise.
4809         (hash_invariant_expr_1): Likewise.
4810         (invariant_expr_equal_p): Likewise.
4811         * postreload-gcse.c (oprs_unchanged_p): Likewise.
4812         * regclass.c (reg_scan_mark_refs): Likewise.
4813         * regrename.c (scan_rtx): Likewise.
4814         * resource.c (mark_referenced_resources): Likewise.
4815         (mark_set_resources): Likewise.
4816         * rtlanal.c (rtx_unstable_p): Likewise.
4817         (rtx_varies_p): Likewise.
4818         (count_occurrences): Likewise.
4819         (reg_mentioned_p): Likewise.
4820         (modified_between_p): Likewise.
4821         (modified_in_p): Likewise.
4822         (volatile_insn_p): Likewise.
4823         (volatile_refs_p): Likewise.
4824         (side_effects_p): Likewise.
4825         (may_trap_p_1): Likewise.
4826         (inequality_comparisons_p): Likewise.
4827         (computed_jump_p_1): Likewise.
4828         (commutative_operand_precedence): Likewise.
4829         * sched-deps.c (sched_analyze_2): Likewise.
4830         * sched-vis.c (print_value): Likewise.
4831         * reload.c (operands_match_p): Likewise.
4832         (subst_reg_equivs): Likewise.
4833         * reload1.c (eliminate_regs_1): Likewise.
4834         (elimination_effects): Likewise.
4835         (scan_paradoxical_subregs): Likewise.
4836         * alias.c (rtx_equal_for_memref_p): Likewise.
4837         * Makefile.in (RTL_BASE_H): Add fixed-value.h.
4838         * emit-rtl.c (const_fixed_htab): New hash table.
4839         (const_fixed_htab_hash, const_fixed_htab_eq, lookup_const_fixed):
4840         Declare.
4841         (const_fixed_htab_hash, const_fixed_htab_eq, lookup_const_fixed,
4842         const_fixed_from_fixed_value): New functions.
4843         (verify_rtx_sharing): Handle CONST_FIXED.
4844         (copy_rtx_if_shared_1): Likewise.
4845         (reset_used_flags): Likewise.
4846         (set_used_flags): Likewise.
4847         (copy_insn_1): Likewise.
4848         (init_emit_once): Create const_fixed_htab.
4849         Store fixed-point scalar and vector zero and one to const_tiny_rtx.
4850
4851 2007-08-22  Zdenek Dvorak  <ook@ucw.cz>
4852
4853         PR tree-optimization/32949
4854         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Test nowrap_type_p
4855         before failing for ivs with non-constant step.
4856
4857 2007-08-22  Hans-Peter Nilsson  <hp@axis.com>
4858
4859         * doc/md.texi (Iterators): Renamed from Macros.  All contents
4860         changed to reflect rename of respectively define_code_macro and
4861         define_mode_macro to define_code_iterator and define_mode_iterator.
4862         (Mode Iterators, Code Iterators): Similar.
4863         * read-rtl.c (struct iterator_group, struct iterator_traverse_data)
4864         (uses_mode_iterator_p, apply_mode_iterator, uses_code_iterator_p)
4865         (apply_iterator_to_string, uses_iterator_p, apply_iterator_traverse)
4866         (initialize_iterators, find_iterator, check_code_iterator)
4867         (map_attr_string, apply_mode_maps, apply_iterator_to_rtx, add_mapping)
4868         (read_mapping, read_rtx_1): Similar.
4869         * config/alpha/sync.md, config/alpha/alpha.md, config/frv/frv.md,
4870         config/s390/s390.md, config/m32c/blkmov.md, config/m32c/m32c.md,
4871         config/spu/spu.md, config/sparc/sparc.md, config/sparc/sync.md,
4872         config/i386/i386.md, config/i386/mmx.md, config/i386/sse.md,
4873         config/i386/sync.md, config/crx/crx.md, config/xtensa/xtensa.md,
4874         config/cris/cris.c, config/cris/cris.md, config/ia64/sync.md,
4875         config/ia64/div.md, config/ia64/vect.md, config/ia64/ia64.md,
4876         config/m68k/m68k.md, config/rs6000/spe.md, config/rs6000/altivec.md,
4877         config/rs6000/sync.md, config/rs6000/rs6000.md,
4878         config/arm/vec-common.md, config/arm/neon.md, config/arm/iwmmxt.md,
4879         config/arm/arm.md, config/mips/mips-dsp.md, config/mips/mips.md,
4880         config/vax/vax.md, config/bfin/bfin.md: Similar.
4881
4882 2007-08-22  David Daney  <ddaney@avtrex.com>
4883
4884         * doc/install.texi (Testing): Mention testing on a simulator.
4885
4886 2007-08-22  Janis Johnson  <janis187@us.ibm.com>
4887
4888         * config/dfp-bit.c (DFP_TO_DFP): Check for overflow.
4889
4890         * doc/libgcc.texi (Decimal float library routines): Fix formatting
4891         and rearrange floating point conversion functions into different
4892         categories.
4893
4894 2007-08-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
4895
4896         * target.h (struct gcc_target.sched: dfa_pre_advance_cycle,
4897         dfa_post_advance_cycle): New scheduler hooks.
4898         * target-def.h (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE,
4899         TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): New macros to initialize
4900         new hooks.
4901         (TARGET_SCHED): Use them.
4902         * doc/tm.texi (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE,
4903         TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Document new hooks.
4904         * haifa-sched.c (advance_one_cycle): Invoke new hooks.
4905
4906         * genautomata.c (insn_has_dfa_reservation_p): New DFA interface
4907         function to facilitate debugging.
4908         (INSN_HAS_DFA_RESERVATION_P_FUNC_NAME): New macro.
4909         (output_insn_has_dfa_reservation_p): New static function to output
4910         insn_has_dfa_reservation_p ().
4911         (write_automata): Use it.
4912         * genattr.c (main): Output declaration for
4913         insn_has_dfa_reservation_p ().
4914
4915 2007-08-22  Christian Bruel  <christian.bruel@st.com>   
4916             Richard Guenther <rguenther@suse.de>
4917         
4918         * fold-const.c (fold_binary): Optimize A-A if -ffinite-math-only.
4919         * simplify_rtx (simplify_binary_operation_1): Likewise.
4920                 
4921 2007-08-22  Rask Ingemann Lambertsen  <rask@sygehus.dk>
4922
4923         PR rtl-optimization/32557
4924         * df-problems.c (df_note_bb_compute): Use mws->start_regno instead
4925         of REGNO (mws->mw_reg).
4926
4927 2007-08-22  Richard Guenther  <rguenther@suse.de>
4928
4929         PR middle-end/33007
4930         * builtins.c (expand_builtin_int_roundingfn): Replace call
4931         argument wrapped with SAVE_EXPR directly.
4932         (expand_builtin_int_roundingfn_2): Likewise.
4933
4934 2007-08-22  Richard Guenther  <rguenther@suse.de>
4935
4936         * tree-inline.c (inlinable_function_p): Restore disregarding
4937         inline limits for GNU extern inline functions.
4938
4939 2007-08-22  Richard Guenther  <rguenther@suse.de>
4940
4941         PR middle-end/32563
4942         * tree.c (host_integerp): Treat sizetype as signed as it is
4943         sign-extended.
4944
4945 2007-08-21  Ian Lance Taylor  <iant@google.com>
4946
4947         PR tree-optimization/33134
4948         * tree-vrp.c (adjust_range_with_scev): Call
4949         set_value_range_to_value.
4950
4951 2007-08-21  Aldy Hernandez  <aldyh@redhat.com>
4952
4953         * value-prof.h (gimple_remove_histogram_value): Remove duplicate
4954         prototype.
4955         
4956 2007-08-21  Aldy Hernandez  <aldyh@redhat.com>
4957
4958         * tree-flow-inline.h (next_imm_use_stmt): Remove unecessary
4959         whitespace.
4960
4961 2007-08-21  Nathan Froyd  <froydnj@codesourcery.com>
4962
4963         * config/rs6000/rs6000.c (expand_block_clear): Add TARGET_SPE
4964         cases to set eight bytes at a time.
4965         (expand_block_move): Likewise.
4966         
4967 2007-08-21  Jakub Jelinek  <jakub@redhat.com>
4968
4969         PR debug/32610
4970         * dwarf2out.c (gen_decl_die): Don't call
4971         gen_tagged_type_instantiation_die if decl doesn't have tagged type.
4972
4973 2007-08-21  Paul Brook  <paul@codesourcery.com>
4974             Nathan Sidwell  <nathan@codesourcery.com>
4975             Mark Mitchell  <mark@codesourcery.com>
4976             Joseph Myers  <joseph@codesourcery.com>
4977
4978         * configure.ac: Add --with-pkgversion and --with-bugurl.
4979         * configure: Regenerate.
4980         * doc/install.texi: Document them.
4981         * version.c (version_string): Remove VERSUFFIX.
4982         (VERSUFFIX): Remove.
4983         (pkgversion_string): New.
4984         (bug_report_url): Do not hard-code initializer.
4985         * version.h (pkgversion_string): Declare.
4986         * Makefile.in (PKGVERSION_s, BUGURL_s, PKGVERSION, BUGURL_TEXI):
4987         Define.
4988         (version.o): Define PKGVERSION and BUGURL.
4989         (gcc-vers.texi): Define VERSION_PACKAGE and BUGURL.
4990         (%.pod): Define BUGURL.
4991         * gcc.c (process_command, main): Use pkgversion_string.
4992         * toplev.c (compile_file, print_version): Likewise.
4993         * protoize.c (main): Likewise.
4994         * gcov.c (print_version): Likewise.  Update copyright date.
4995         * gcov-dump.c (print_version): Likewise.  Update copyright date.
4996         * mips-tdump.c (main): Likewise.  Update copyright date.
4997         * mips-tfile.c (main): Likewise.  Update copyright date.
4998         * doc/include/gcc-common.texi: Include VERSION_PACKAGE as subtitle.
4999         * doc/bugreport.texi: Use BUGURL for bug-reporting instructions;
5000         shorten description.
5001         * doc/gcc.texi: Include VERSION_PACKAGE in version description.
5002         * doc/gccint.texi: Likewise.
5003         * doc/invoke.texi: Use BUGURL for bug-reporting instructions.
5004         Update copyright date.
5005
5006 2007-08-21  Uros Bizjak  <ubizjak@gmail.com>
5007
5008         * config/i386/i386.c (ix86_expand_clear): Use FLAGS_REG.
5009         (ix86_expand_strlensi_unroll_1): Ditto.
5010         (ix86_expand_branch): Use FLAGS_REG and FPSR_REG.
5011         (ix86_expand_carry_flag_compare): Update comment.
5012
5013 2007-08-21  Jakub Jelinek  <jakub@redhat.com>
5014
5015         PR middle-end/32912
5016         * fold-const.c (fold_unary): Optimize BIT_NOT_EXPR of VECTOR_CST.
5017         (fold_binary): Handle vectors in X | ~X and X ^ ~X optimizations.
5018
5019 2007-08-21  Richard Guenther  <rguenther@suse.de>
5020
5021         * fold-const.c (fold_binary): Revert removing of index +p PTR folding.
5022
5023 2007-08-21  Richard Guenther  <rguenther@suse.de>
5024
5025         PR middle-end/33122
5026         * fold-const.c (fold_binary): Remove index +p PTR folding.
5027         Fix types of POINTER_PLUS_EXPR generated by folding of
5028         (PTR +p B) +p A.
5029
5030 2007-08-20  Chao-ying Fu  <fu@mips.com>
5031
5032         * c-common.h (enum rid): Add new enumeration values of RID_SAT,
5033         RID_FRACT, and RID_ACCUM.  RID_SAT needs to be inserted before
5034         RID_ONEWAY, so that it can be checked in declspecs_add_type.
5035         (c_common_fixed_point_type_for_size): Declare.
5036         * c-parser.c (reswords): Add _Fract, _Accum, and _Sat.
5037         (c_token_starts_typename): Handle RID_FRACT, RID_ACCUM, and RID_SAT.
5038         (c_token_starts_declspecs): Likewise.
5039         (c_parser_declspecs): Likewise.
5040         (c_parser_attributes): Likewise.
5041         * c-tree.h (enum c_typespec_keyword): Add cts_fract and cts_accum.
5042         (c_declspecs): Add saturating_p.
5043         * c-decl.c (build_null_declspecs): Initialize saturating_p.
5044         (declspecs_add_type): Avoid using complex with _Fract, _Accum, or
5045         _Sat.  Handle RID_SAT.
5046         Avoid using void, bool, char, int, float, double, _Decimal32,
5047         _Decimal64, _Decimal128, and complex with _Sat.
5048         Handle RID_FRACT and RID_ACCUM.
5049         Make sure _Sat is used with _Fract or _Accum.
5050         (finish_declspecs): Handle cts_fract and cts_accum.
5051         * c-common.c (fixed-value.h): New include.
5052         (constant_expression_warning): Handle FIXED_CST.
5053         (overflow_warning): Likewise.
5054         (warnings_for_convert_and_check): Likewise.
5055         (c_common_fixed_point_type_for_size): New.
5056         (c_common_type_for_mode): Handle fixed-point modes to
5057         return various saturating/non-saturating, signed/unsigned types.
5058         (c_common_signed_or_unsigned_type): Support fixed-point types.
5059         (shorten_compare): Check fixed-point zero.
5060         Handle FIXED_POINT_TYPE.
5061         (c_common_truthvalue_conversion): Handle FIXED_CST.
5062         Handle FIXED_POINT_TYPE.
5063         (c_common_nodes_and_builtins): Record builtin types for fixed-point
5064         types.
5065         (handle_mode_attribute): Handle fixed-point modes.  Need to check
5066         if the signness of base type and fixed-point modes are consistent.
5067         (handle_vector_size_attribute): Handle fixed-point modes.
5068         (same_scalar_type_ignoring_signedness): Handle FIXED_POINT_TYPE.
5069         (warn_for_div_by_zero): Check fixed-point zero.
5070         * c-typeck.c (c_common_type): Check FIXED_POINT_TYPE.  Build
5071         a common fixed-point type based on fbit, ibit, sign, and saturation.
5072         (build_unary_op): Allow FIXED_POINT_TYPE for CONVERT_EXPR,
5073         NEGATE_EXPR, TRUTH_NOT_EXPR, PREINCREMENT_EXPR, POSTINCREMENT_EXPR,
5074         PREDECREMENT_EXPR, and POSTDECREMENT_EXPR.
5075         (convert_for_assignment): Support FIXED_POINT_TYPE.
5076         (digest_init): Handle FIXED_POINT_TYPE.
5077         (build_binary_op): Support FIXED_POINT_TYPE in *_DIV_EXPR,
5078         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
5079         TRUTH_XOR_EXPR, RSHIFT_EXPR, LSHIFT_EXPR, EQ_EXPR, NE_EXPR, LE_EXPR,
5080         GE_EXPR, LT_EXPR, GT_EXPR.
5081         * target-def.h (TARGET_FIXED_POINT_SUPPORTED_P): New.
5082         (TARGET_INITIALIZER): Add TARGET_FIXED_POINT_SUPPORTED_P.
5083         * target.h (gcc_target): Add fixed_point_supported_p.
5084         * targhooks.c (default_scalar_mode_supported_p): Handle MODE_FRACT,
5085         MODE_UFRACT, MODE_ACCUM, and MODE_UACCUM.
5086         (default_fixed_point_supported_p): Define.
5087         * targhooks.h (default_fixed_point_supported_p): Declare.
5088         * doc/tm.texi (TARGET_FIXED_POINT_SUPPORTED_P): Add.
5089         * doc/install.texi (Configuration): Add --enable-fixed-point.
5090         * configure.ac (--enable-fixed-point): New to enable fixed-point
5091         arithmetic extension to C.  For mips targets, we enable it by default.
5092         * configure, config.in: Regenerate.
5093
5094 2007-08-20  Pawel Sikora  <pluto@pld-linux.org>
5095
5096         * doc/invoke.texi (-Wnon-virtual-dtor): Update documentation.
5097
5098 2007-08-20  David Edelsohn  <edelsohn@gnu.org>
5099
5100         * dwarf2out.c (text_section_used): Move declaration outside ifdef
5101         DWARF2_DEBUGGING_INFO.
5102         (cold_text_section_used): Same.
5103         (cold_text_section): Same.
5104
5105 2007-08-20  Richard Guenther  <rguenther@suse.de>
5106
5107         * c-typeck.c (convert_for_assignment): Use the type of
5108         the member for the initialization.
5109
5110 2007-08-20  Richard Guenther  <rguenther@suse.de>
5111
5112         * c-objc-common.c (c_disregard_inline_limits): Remove.
5113         * c-objc-common.h (c_disregard_inline_limits): Likewise.
5114         * cgraphunit.c (cgraph_process_new_functions): Call
5115         disregard_inline_limits_p.
5116         (cgraph_preserve_function_body_p): Likewise.
5117         * ipa-inline.c (compute_inline_parameters): Likewise.
5118         * langhooks-def.h (lhd_tree_inlining_disregard_inline_limits):
5119         Remove.
5120         (LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS): Remove.
5121         (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove initializer for
5122         disregard_inline_limits langhook.
5123         * langhooks.c (lhd_tree_inlining_disregard_inline_limits):
5124         Remove.
5125         * langhooks.h (lang_hooks_for_tree_inlining): Remove
5126         disregard_inline_limits langhook.
5127         * tree-inline.c (disregard_inline_limits_p): New function.
5128         * tree-inline.h (disregard_inline_limits_p): Declare.
5129
5130 2007-08-20  Richard Guenther  <rguenther@suse.de>
5131
5132         * langhooks-def.h (lhd_tree_inlining_auto_var_in_fn_p): Remove.
5133         (LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P): Likewise.
5134         (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove initializer for
5135         auto_var_in_fn_p langhook.
5136         * langhooks.c (lhd_tree_inlining_auto_var_in_fn_p): Rename and
5137         move ...
5138         * tree.c (auto_var_in_fn_p): ... here.
5139         (find_var_from_fn): Call auto_var_in_fn_p directly.
5140         * langhooks.h (lang_hooks_for_tree_inlining): Remove
5141         auto_var_in_fn_p langhook.
5142         * tree-inline.c (remap_decls): Call auto_var_in_fn_p directly.
5143         (copy_body_r): Likewise.
5144         (self_inlining_addr_expr): Likewise.
5145         * tree.h (auto_var_in_fn_p): Declare.
5146
5147 2007-08-20  Richard Guenther  <rguenther@suse.de>
5148
5149         * tree.c (WALK_SUBTREE): Call walk_tree_1.
5150         (walk_type_fields): Take lh parameter.
5151         (walk_tree): Rename to ...
5152         (walk_tree_1): ... this.  Do not call the walk_subtrees
5153         langhook but the now passed callback.  Pass lh on recursion.
5154         (walk_tree_without_duplicates): Rename to ...
5155         (walk_tree_without_duplicates_1): ... this.  Take lh parameter
5156         and call walk_tree_1.
5157         * tree.h (walk_tree_lh): New typedef.
5158         (walk_tree_1): Declare.
5159         (walk_tree_without_duplicates_1): Likewise.
5160         (walk_tree): New define to walk_tree_1 with NULL lh parameter.
5161         (walk_tree_without_duplicates): New define to
5162         walk_tree_without_duplicates_1 with NULL lh parameter.
5163         * langhooks.c (lhd_tree_inlining_walk_subtrees): Remove.
5164         * langhooks.h (lang_hooks_for_tree_inlining): Remove walk_subtrees
5165         langhook.
5166         * langhooks-def.h (lhd_tree_inlining_walk_subtrees): Remove.
5167         (LANG_HOOKS_TREE_INLINING_WALK_SUBTREES): Likewise.
5168         (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove walk_subtrees
5169         initializer.
5170
5171 2007-08-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5172
5173         PR middle-end/30564
5174         * tree-inline.c (optimize_inline_calls): Move the cgraph checking
5175         code in front of the compacting of basic blocks.
5176         Move the folding of statements inbetween the cgraph checking
5177         and compacting of basic blocks.
5178
5179 2007-08-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5180            Serge Belyshev  <belyshev@depni.sinp.msu.ru>
5181
5182         PR target/32522
5183         * config/alpha/alpha.c (va_list_skip_additions): Check for
5184         POINTER_PLUS_EXPR in addition to PLUS_EXPR.
5185         (alpha_stdarg_optimize_hook): Look for POINTER_PLUS_EXPR instead of
5186         PLUS_EXPR when checking ap.__base.
5187         (alpha_va_start): Create POINTER_PLUS_EXPR instead of PLUS_EXPR
5188         when doing addition on pointer types.  Use size_int instead of
5189         build_int_cst.
5190         (alpha_gimplify_va_arg_1): Likewise, but use sizetype instead of
5191         ptr_type in the second operand.
5192
5193 2007-08-19  Andrew Pinski  <pinskia@gmail.com>
5194
5195         PR target/33115
5196         * config/i386/darwin.h (CC1_SPEC): Add %(cc1_cpu) in front.
5197
5198 2007-08-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5199
5200         PR middle-end/32940
5201         * cfgexpand.c  (expand_one_register_var): Mark pointer
5202         DECL_ARTIFICIAL as REG_POINTER also.
5203         * stmt.c (expand_decl): Likewise.
5204
5205 2007-08-19  Daniel Berlin  <dberlin@dberlin.org>
5206
5207         Fix PR 32772
5208         Fix PR 32716
5209         Fix PR 32328
5210         Fix PR 32303
5211
5212         * tree-flow.h (struct stmt_ann_d): Remove makes_clobbering_call.
5213         * tree-ssa-alias.c (init_transitive_clobber_worklist): Add
5214         on_worklist argument and avoid adding things to worklist multiple
5215         times.
5216         (add_to_worklist): Ditto.
5217         (mark_aliases_call_clobbered): Mark entire structure clobbered if
5218         single SFT is clobbered.
5219         (set_initial_properties): Ditto.
5220         (compute_call_clobbered): Update for changes to function
5221         arguments.
5222         (create_overlap_variables_for): Always create SFT for offset 0.
5223         (create_structure_vars): Handle PHI's, since we are in SSA form at
5224         this point.
5225         * tree-ssa-loop-ivopts.c (get_ref_tag): Don't return subvars.
5226         * tree-ssa-operands.c (access_can_touch_variable): Don't handle
5227         TARGET_MEM_REF.
5228         (add_vars_for_offset): Figure out aliases from access + points-to.
5229         (add_virtual_operand): Use add_vars-for_offset.
5230         (get_tmr_operands): Update for NMT changes, rewrite to be correct.
5231         (add_call_clobber_ops): Remove makes_clobbering_call set.
5232         (get_expr_operands): Always pass through the INDIRECT_REF
5233         reference.
5234         * tree-ssa-structalias.c (struct constraint_graph): Remove
5235         variables member.
5236         Add pe, pe_rep, pointer_label, loc_label, pointed_by, points_to,
5237         address_taken, pt_used, number_incoming.
5238         (FIRST_ADDR_NODE): Removed.
5239         (merge_graph_nodes): Remove broken code for the moment.
5240         (init_graph): New function.
5241         (build_pred_graph): Remove code to init_graph.
5242         Add location equivalence support.
5243         (struct scc_info): Rename roots to deleted.
5244         (scc_visit): Ditto.
5245         (init_scc_info): Ditto
5246         (init_topo_info): Use graph->size.
5247         (compute_topo_order): Ditto.
5248         (do_da_constraint): Removed.
5249         (do_sd_constraint): Remove calls to find().
5250         set_union_with_increment should always get 0 as last arg here.
5251         (do_complex_constraint): Replace do_da_constraint with assert.
5252         Stop calling find.
5253         (struct equiv_class_label): New.
5254         (pointer_equiv_class_table): Ditto.
5255         (location_equiv_class_table): Ditto.
5256         (equiv_class_label_hash): Ditto.
5257         (equiv_class_label_eq): Ditto
5258         (equiv_class_lookup): Ditto.
5259         (equiv_class_ladd): Ditto.
5260         (pointer_equiv_class): Ditto.
5261         (location_equiv_class): Ditto.
5262         (condense_visit): Rename and rewrite from label_visit to do only
5263         SCC related stuff for HU.
5264         (label_visit): Do HU work for HU.
5265         (perform_var_substitution): Update to do HU and location
5266         equivalence.
5267         (free_var_substitution_info): Update to free HU and location
5268         equivalence structures.  */
5269         (find_equivalent_node): Update for pointer but not location
5270         equivalence.
5271         (unite_pointer_equivalences): New function.
5272         (move_complex_constraints): Rewrite to only do moving.
5273         (rewrite_constraints): Split out of move_complex_constraints.
5274         (solve_graph): Use graph->size.
5275         (process_constraint_1): Add from_call argument, use it.
5276         Split *a = &b into two constraints.
5277         (process_constraint): Use new process_constraint_1.
5278         (get_constraint_for_component_ref): Handle bitmaxsize == -1 case.
5279         (get_constraint_for): Handle non-pointer integers properly.
5280         Remove code that used to handle structures.
5281         (handle_ptr_arith): Fix a few bugs in pointer arithmetic handling
5282         with unknown addends.
5283         (handle_rhs_call): New function.
5284         (find_func_aliases): Use handle_rhs_call.
5285         (set_uids_in_ptset): Add an assert.
5286         (set_used_smts): Fix bug in not considering unified vars.
5287         (compute_tbaa_pruning): Stop initing useless iteration_obstack.
5288         (compute_points_to_sets): Update for other function changes.
5289         (delete_points_to_sets): Ditto.
5290         (ipa_pta_execute): Ditto.
5291         (pass_ipa_pta): We need to update SSA after ipa_pta.
5292         
5293 2007-08-19  Jan Hubicka  <jh@suse.cz>
5294
5295         * i386.md: Replace "rim" and "mri" constraints by "g".
5296
5297 2007-08-19  Joseph Myers  <joseph@codesourcery.com>
5298
5299         * dwarf2out.c (text_section_used, cold_text_section_used,
5300         cold_text_section, dwarf2out_note_section_used): New.
5301         (dwarf2out_init): Initialize cold_text_section.
5302         (dwarf2out_switch_text_section, dwarf2out_begin_function): Call
5303         dwarf2out_note_section_used.
5304         (size_of_aranges): Only count entry for text section if it was
5305         used.  Count entry for cold text section if it was used.
5306         (output_aranges): Only output entries for text section and cold
5307         text section if they were used.
5308
5309 2007-08-19  Andrew Pinski  <pinskia@gmail.com>
5310
5311         * tree-pretty-print.c (debug_generic_expr): Add a comment about
5312         the function.
5313         (debug_generic_stmt): Likewise.
5314         (debug_tree_chain): Likewise.
5315
5316 2007-08-19  Dorit Nuzman  <dorit@il.ibm.com>
5317
5318         * tree-data-refs.c (split_constant_offset): Expose.
5319         * tree-data-refs.h (split_constant_offset): Add declaration.
5320
5321         * tree-vectorizer.h (dr_alignment_support): Renamed
5322         dr_unaligned_software_pipeline to dr_explicit_realign_optimized.
5323         Added a new value dr_explicit_realign.
5324         (_stmt_vec_info): Added new fields: dr_base_address, dr_init,
5325         dr_offset, dr_step, and dr_aligned_to, along with new access
5326         functions for these fields: STMT_VINFO_DR_BASE_ADDRESS,
5327         STMT_VINFO_DR_INIT, STMT_VINFO_DR_OFFSET, STMT_VINFO_DR_STEP, and
5328         STMT_VINFO_DR_ALIGNED_TO.
5329
5330         * tree-vectorizer.c (vect_supportable_dr_alignment): Add
5331         documentation.
5332         In case of outer-loop vectorization with non-fixed misalignment - use
5333         the dr_explicit_realign scheme instead of the optimized realignment
5334         scheme.
5335         (new_stmt_vec_info): Initialize new fields.
5336
5337         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Handle the
5338         'nested_in_vect_loop' case. Change verbosity level.
5339         (vect_analyze_data_ref_access): Handle the 'nested_in_vect_loop' case.
5340         Don't fail on zero step in the outer-loop for loads.
5341         (vect_analyze_data_refs): Call split_constant_offset to calculate
5342         base, offset and init relative to the outer-loop.
5343
5344         * tree-vect-transform.c (vect_create_data_ref_ptr): Replace the unused
5345         BSI function argument with a new function argument - at_loop.
5346         Simplify the condition that determines STEP. Takes additional argument
5347         INV_P. Support outer-loop vectorization (handle the
5348         nested_in_vect_loop case), including zero step in the outer-loop. Call
5349         vect_create_addr_base_for_vector_ref with additional argument.
5350         (vect_create_addr_base_for_vector_ref): Takes additional argument LOOP.
5351         Updated function documentation. Handle the 'nested_in_vect_loop' case.
5352         Fixed and simplified calculation of step.
5353         (vectorizable_store): Call vect_create_data_ref_ptr with loop instead
5354         of bsi, and with additional argument. Call bump_vector_ptr with
5355         additional argument. Fix typos. Handle the 'nested_in_vect_loop' case.
5356         (vect_setup_realignment): Takes additional arguments INIT_ADDR and
5357         DR_ALIGNMENT_SUPPORT. Returns another value AT_LOOP. Handle the case
5358         when the realignment setup needs to take place inside the loop.
5359         Support the dr_explicit_realign scheme. Allow generating the optimized
5360         realignment scheme for outer-loop vectorization. Added documentation.
5361         (vectorizable_load): Support the dr_explicit_realign scheme. Handle
5362         the 'nested_in_vect_loop' case, including loads that are invariant in
5363         the outer-loop and the realignment schemes. Handle the case when the
5364         realignment setup needs to take place inside the loop. Call
5365         vect_setup_realignment with additional arguments.  Call
5366         vect_create_data_ref_ptr with additional argument and with loop instead
5367         of bsi. Fix 80-column overflow. Fix typos. Rename PHI_STMT to PHI.
5368         (vect_gen_niters_for_prolog_loop): Call
5369         vect_create_addr_base_for_vector_ref with additional arguments.
5370         (vect_create_cond_for_align_checks): Likewise.
5371         (bump_vector_ptr): Updated to support the new dr_explicit_realign
5372         scheme: takes additional argument bump; argument ptr_incr is now
5373         optional; updated documentation.
5374         (vect_init_vector): Takes additional argument (bsi). Use it, if
5375         available, to insert the vector initialization.
5376         (get_initial_def_for_induction): Pass additional argument in call to
5377         vect_init_vector.
5378         (vect_get_vec_def_for_operand): Likewise.
5379         (vect_setup_realignment): Likewise.
5380         (vectorizable_load): Likewise.
5381
5382 2007-08-19  Dorit Nuzman  <dorit@il.ibm.com>
5383
5384         * tree-vectorizer.h (vect_is_simple_reduction): Takes a loop_vec_info
5385         as argument instead of struct loop.
5386         (nested_in_vect_loop_p): New function.
5387         (vect_relevant): Add enum values vect_used_in_outer_by_reduction and
5388         vect_used_in_outer.
5389         (is_loop_header_bb_p): New. Used to differentiate loop-header phis
5390         from other phis in the loop.
5391         (destroy_loop_vec_info): Add additional argument to declaration.
5392
5393         * tree-vectorizer.c (supportable_widening_operation): Also check if
5394         nested_in_vect_loop_p (don't allow changing the order in this case).
5395         (vect_is_simple_reduction): Takes a loop_vec_info as argument instead
5396         of struct loop. Call nested_in_vect_loop_p and don't require
5397         flag_unsafe_math_optimizations if it returns true.
5398         (new_stmt_vec_info): When setting def_type for phis differentiate 
5399         loop-header phis from other phis.
5400         (bb_in_loop_p): New function.
5401         (new_loop_vec_info): Inner-loop phis already have a stmt_vinfo, so
5402         just update their loop_vinfo.  Order of BB traversal now matters -
5403         call dfs_enumerate_from with bb_in_loop_p.
5404         (destroy_loop_vec_info): Takes additional argument to control whether
5405         stmt_vinfo of the loop stmts should be destroyed as well.
5406         (vect_is_simple_reduction): Allow the "non-reduction" use of a
5407         reduction stmt to be defines by a non loop-header phi.
5408         (vectorize_loops): Call destroy_loop_vec_info with additional argument.
5409
5410         * tree-vect-transform.c (vectorizable_reduction): Call
5411         nested_in_vect_loop_p. Check for multitypes in the inner-loop.
5412         (vectorizable_call): Likewise.
5413         (vectorizable_conversion): Likewise.
5414         (vectorizable_operation): Likewise.
5415         (vectorizable_type_promotion): Likewise.
5416         (vectorizable_type_demotion): Likewise.
5417         (vectorizable_store): Likewise.
5418         (vectorizable_live_operation): Likewise.
5419         (vectorizable_reduction): Likewise. Also pass loop_info to
5420         vect_is_simple_reduction instead of loop.
5421         (vect_init_vector): Call nested_in_vect_loop_p.
5422         (get_initial_def_for_reduction): Likewise.
5423         (vect_create_epilog_for_reduction): Likewise.
5424         (vect_init_vector): Check which loop to work with, in case there's an
5425         inner-loop.
5426         (get_initial_def_for_inducion): Extend to handle outer-loop
5427         vectorization. Fix indentation.
5428         (vect_get_vec_def_for_operand): Support phis in the case vect_loop_def.
5429         In the case vect_induction_def get the vector def from the induction
5430         phi node, instead of calling get_initial_def_for_inducion.
5431         (get_initial_def_for_reduction): Extend to handle outer-loop 
5432         vectorization.
5433         (vect_create_epilog_for_reduction): Extend to handle outer-loop
5434         vectorization.
5435         (vect_transform_loop): Change assert to just skip this case.  Add a
5436         dump printout.
5437         (vect_finish_stmt_generation): Add a couple asserts.
5438
5439         (vect_estimate_min_profitable_iters): Multiply
5440         cost of inner-loop stmts (in outer-loop vectorization) by estimated
5441         inner-loop bound.
5442         (vect_model_reduction_cost): Don't add reduction epilogue cost in case
5443         this is an inner-loop reduction in outer-loop vectorization.
5444
5445         * tree-vect-analyze.c (vect_analyze_scalar_cycles_1): New function.
5446         Same code as what used to be vect_analyze_scalar_cycles, only with
5447         additional argument loop, and loop_info passed to
5448         vect_is_simple_reduction instead of loop.
5449         (vect_analyze_scalar_cycles): Code factored out into
5450         vect_analyze_scalar_cycles_1. Call it for each relevant loop-nest.
5451         Updated documentation.
5452         (analyze_operations): Check for inner-loop loop-closed exit-phis during
5453         outer-loop vectorization that are live or not used in the outerloop,
5454         cause this requires special handling.
5455         (vect_enhance_data_refs_alignment): Don't consider versioning for
5456         nested-loops.
5457         (vect_analyze_data_refs): Check that there are no datarefs in the
5458         inner-loop.
5459         (vect_mark_stmts_to_be_vectorized): Also consider vect_used_in_outer
5460         and vect_used_in_outer_by_reduction cases.
5461         (process_use): Also consider the case of outer-loop stmt defining an
5462         inner-loop stmt and vice versa.
5463         (vect_analyze_loop_1): New function.
5464         (vect_analyze_loop_form): Extend, to allow a restricted form of nested
5465         loops.  Call vect_analyze_loop_1.
5466         (vect_analyze_loop): Skip (inner-)loops within outer-loops that have
5467         been vectorized.  Call destroy_loop_vec_info with additional argument.
5468
5469         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Don't allow
5470         in the inner-loop when doing outer-loop vectorization. Add
5471         documentation and printout.
5472         (vect_recog_dot_prod_pattern): Likewise. Also add check for
5473         GIMPLE_MODIFY_STMT (in case we encounter a phi in the loop).
5474
5475 2007-08-18  Andrew Pinski  <pinskia@gmail.com>
5476
5477         * tree-affine.h (print_aff): New prototype.
5478         (debug_aff): Likewise.
5479         * tree-affine.c (print_aff): New function.
5480         (debug_aff): Likewise.
5481
5482 2007-08-18  Paul Brook  <paul@codesourcery.com>
5483             Joseph Myers  <joseph@codesourcery.com>
5484
5485         * common.opt (-fdebug-prefix-map=): New option.
5486         * opts.c: Include debug.h.
5487         (common_handle_option): Handle -fdebug-prefix-map.
5488         * final.c: Include ggc.h.
5489         (struct debug_prefix_map, debug_prefix_maps, add_debug_prefix_map,
5490         remap_debug_filename): New.
5491         * Makefile.in (final.o, opts.o): Update dependencies.
5492         * debug.h (remap_debug_filename, add_debug_prefix_map): Declare.
5493         * configure.ac: Check for assembler --debug-prefix-map support.
5494         * configure, config.in: Regenerate.
5495         * gcc.c (ASM_MAP): Define conditional on HAVE_AS_DEBUG_PREFIX_MAP.
5496         (ASM_DEBUG_SPEC): Include ASM_MAP.
5497         * doc/install.texi (--with-debug-prefix-map): Document.
5498         * doc/invoke.texi (-fdebug-prefix-map): Document.
5499         * dbxout.c (dbxout_init, dbxout_start_source_file,
5500         dbxout_source_file): Call remap_debug_filename.
5501         * dwarf2out.c (add_comp_dir_attribute, maybe_emit_file,
5502         dwarf2out_start_source_file, dwarf2out_finish): Call
5503         remap_debug_filename.
5504         (file_table_relative_p): Do not check d->emitted_number.
5505         * toplev.c (output_file_directive): Call remap_debug_filename.
5506         * vmsdbgout.c (write_srccorr): Call remap_debug_filename.
5507         * xcoffout.c (xcoffout_source_file): Call remap_debug_filename.
5508
5509 2007-08-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5510
5511         * loop-invariant.c (find_invariants_to_move): Add missing macro
5512         argument.
5513
5514 2007-08-17  Tom Tromey  <tromey@redhat.com>
5515
5516         * tree.h (struct tree_label_decl): Removed old "java" fields.
5517
5518 2007-08-17  Richard Sandiford  <richard@codesourcery.com>
5519             Nigel Stephens  <nigel@mips.com>
5520
5521         * config/mips/sde.h (DRIVER_SELF_SPECS): Add commas.
5522         Treat -mno-data-in-code and -mcode-xonly as aliases for
5523         -mcode-readable=no and -mcode-readable=pcrel respectively.
5524         * config/mips/t-sde (TARGET_LIBGCC2_CFLAGS): Add -mcode-xonly.
5525         (MULTILIB_OPTIONS): Add -mcode-readable=no multilibs.
5526         (MULTILIB_DIRNAMES): Update accordingly.
5527
5528 2007-08-17  H.J. Lu  <hongjiu.lu@intel.com>
5529
5530         * Makefile.in (version.o): Depend on $(REVISION) only if
5531         REVISION_s is defined.
5532
5533 2007-08-17  Sa Liu  <saliu@de.ibm.com>
5534             Ulrich Weigand  <uweigand@de.ibm.com>
5535
5536         PR middle-end/32970
5537         * tree.c (reconstruct_complex_type): For a pointer to a vector,
5538         use build_qualified_type to retain qualifiers of the base type.
5539
5540 2007-08-17  Chen Liqin  <liqin@sunnorth.com.cn>
5541
5542         * config/score/score.md : Update pattern tablejump.
5543         * config/score/score.c : Update score_initialize_trampoline 
5544         function.
5545         * config/score/score.h (TRAMPOLINE_TEMPLATE): Added macro.
5546         (TRAMPOLINE_INSNS, TRAMPOLINE_SIZE) Update macro.
5547         * doc/contrib.texi: Add my entry.
5548
5549 2007-08-16  H.J. Lu  <hongjiu.lu@intel.com>
5550
5551         * Makefile.in (REVISION): New.
5552         (REVISION_c): New.
5553         (REVISION_s): New.
5554         (version.o): Also depend on $(REVISION). Add
5555         -DREVISION=$(REVISION_s).
5556
5557         * version.c (version_string): Add REVISION.
5558
5559 2007-08-16  Seongbae Park <seongbae.park@gmail.com>
5560
5561         * tree-eh.c (lower_try_finally_onedest): Reset the locus
5562         of GOTO that's relocated to a different block.
5563
5564 2007-08-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5565
5566         * c-common.c (const_strip_array_types): New.
5567         * c-common.h (lang_missing_noreturn_ok_p): Delete.
5568         (const_strip_array_types): New.
5569         * c-objc-common.c (c_disregard_inline_limits,
5570         c_warn_unused_global_decl): Constify.
5571         * c-tree.h (c_disregard_inline_limits, c_warn_unused_global_decl,
5572         c_vla_type_p, c_incomplete_type_error): Likewise.
5573         * c-typeck.c (c_incomplete_type_error, c_vla_type_p): Likewise.
5574         * hooks.c (hook_bool_const_tree_false): New.
5575         * hooks.h (hook_bool_const_tree_false): Likewise.
5576         * langhooks-def.h (lhd_warn_unused_global_decl,
5577         lhd_incomplete_type_error, lhd_expr_size,
5578         lhd_tree_inlining_disregard_inline_limits,
5579         lhd_tree_inlining_auto_var_in_fn_p, lhd_tree_dump_type_quals,
5580         LANG_HOOKS_GENERIC_TYPE_P, LANG_HOOKS_TYPE_MAX_SIZE): Constify.
5581         * langhooks.c (lhd_warn_unused_global_decl,
5582         lhd_incomplete_type_error,
5583         lhd_tree_inlining_disregard_inline_limits,
5584         lhd_tree_inlining_auto_var_in_fn_p, lhd_tree_dump_type_quals,
5585         lhd_expr_size): Likewise.
5586         * langhooks.h (lang_hooks_for_tree_inlining,
5587         lang_hooks_for_tree_dump, lang_hooks_for_types,
5588         lang_hooks_for_decls, lang_hooks): Likewise.
5589         * pointer-set.c (pointer_set_t, pointer_set_create,
5590         pointer_set_contains, insert_aux, pointer_set_insert,
5591         pointer_set_traverse, pointer_map_t, pointer_map_create,
5592         pointer_map_contains, pointer_map_insert, pointer_map_traverse):
5593         Likewise.
5594         * pointer-set.h (pointer_set_contains, pointer_set_insert,
5595         pointer_set_traverse, pointer_map_contains, pointer_map_insert,
5596         pointer_map_traverse): Likewise.
5597         * predict.c (assert_is_empty): Likewise.
5598         * tree-affine.c (free_name_expansion): Likewise.
5599         * tree-cfg.c (edge_to_cases_cleanup): Likewise.
5600         * tree.c (size_in_bytes, max_int_size_in_bytes): Likewise.
5601         * tree.h (size_in_bytes, max_int_size_in_bytes): Likewise.
5602
5603 2007-08-16  Victor Kaplansky <victork@il.ibm.com>
5604
5605         * tree-vectorizer.c (new_loop_vec_info): Initialize new 
5606         field.
5607         (destroy_loop_vec_info): Add call to VEC_free.
5608         * tree-vectorizer.h (may_alias_ddrs): Define.
5609         (LOOP_VINFO_MAY_ALIAS_DDRS): Define.
5610         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
5611         Change reporting to dump.
5612         (vect_is_duplicate_ddr): New.
5613         (vect_mark_for_runtime_alias_test): New.
5614         (vect_analyze_data_ref_dependences) Add call to
5615         vect_mark_for_runtime_alias_test.
5616         (vect_enhance_data_refs_alignment): Define local variable
5617         vect_versioning_for_alias_required, don't perform
5618         peeling for alignment if versioning for alias is
5619         required.
5620         (vect_enhance_data_refs_alignment): Use
5621         PARAM_VECT_MAX_VERSION_FOR_ALIGNMENT_CHECKS instead of
5622         PARAM_VECT_MAX_VERSION_CHECKS.
5623         * tree-vect-transform.c
5624         (vect_create_cond_for_alias_checks): New.
5625         (vect_transform_loop): Add call to
5626         vect_create_cond_for_alias_checks.
5627         (vect_vfa_segment_size): New.
5628         * params.def (PARAM_VECT_MAX_VERSION_FOR_ALIGNMENT_CHECKS):
5629         Rename.
5630         (PARAM_VECT_MAX_VERSION_FOR_ALIAS_CHECKS): Define.
5631         * gcc/doc/invoke.texi
5632         (vect-max-version-for-alignment-checks): Document.
5633         (vect-max-version-for-alias-checks): Document.
5634         (vect-max-version-checks): Remove.
5635      
5636 2007-08-16  Uros Bizjak  <ubizjak@gmail.com>
5637
5638         * config/i386/i386.md (*rep_movdi_rex64): Emit "rep" prefix on
5639         the same line as the instruction for all asm dialects.
5640         (*rep_movsi): Ditto.
5641         (*rep_movsi_rex64): Ditto.
5642         (*rep_movqi): Ditto.
5643         (*rep_movqi_rex64): Ditto.
5644         (*rep_stosdi_rex64): Ditto.
5645         (*rep_stossi): Ditto.
5646         (*rep_stossi_rex64): Ditto.
5647         (*rep_stosqi): Ditto.
5648         (*rep_stosqi_rex64): Ditto.
5649         (*cmpstrnqi_nz_1): Ditto.
5650         (*cmpstrnqi_nz_rex_1): Ditto.
5651         (*cmpstrnqi_1): Ditto.
5652         (*cmpstrnqi_rex_1): Ditto.
5653         (*strlenqi_1): Ditto.
5654         (*strlenqi_rex_1): Ditto.
5655         * config/i386/sync.md (*sync_compare_and_swap<mode>): Emit "lock"
5656         prefix on the same line as the instruction for all asm dialects.
5657         (sync_double_compare_and_swap<mode>): Ditto.
5658         (*sync_double_compare_and_swapdi_pic): Ditto.
5659         (*sync_compare_and_swap_cc<mode>): Ditto.
5660         (sync_double_compare_and_swap_cc<mode>): Ditto.
5661         (*sync_double_compare_and_swap_ccdi_pic): Ditto.
5662         (sync_old_add<mode>): Ditto.
5663         (sync_add<mode>): Ditto.
5664         (sync_sub<mode>): Ditto.
5665         (sync_ior<mode>): Ditto.
5666         (sync_and<mode>): Ditto.
5667         (sync_xor<mode>): Ditto.
5668
5669 2007-08-16  Richard Sandiford  <richard@codesourcery.com>
5670
5671         PR middle-end/32897
5672         * reload.c (find_reloads): Check that the memory returned by
5673         find_reloads_toplev was not the result of forcing a constant
5674         to memory.
5675         (find_reloads_toplev): Always use simplify_gen_subreg to get
5676         the subreg of a constant.  If the result is also a constant,
5677         but not a legitimate one, force it into the constant pool
5678         and reload its address.
5679
5680 2007-08-15  David Edelsohn  <edelsohn@gnu.org>
5681
5682         * config/rs6000/rs6000.c (rs6000_rtx_costs): Add CLZ, CTZ, and
5683         POPCOUNT.
5684
5685 2007-08-15  Daniel Jacobowitz  <dan@codesourcery.com>
5686
5687         * config/rs6000/rs6000.c (rs6000_file_start): Output a .gnu_attribute
5688         directive for the current vector ABI.
5689
5690 2007-08-15  Steve Ellcey  <sje@cup.hp.com>
5691
5692         PR target/32963
5693         * caller-save.c (reg_save_code): Set invalide status on restore code.
5694         
5695 2007-08-15  Diego Novillo  <dnovillo@google.com>
5696
5697         * tree-ssa-alias.c (compute_memory_partitions): Use
5698         alias_bitmap_obstack to allocate bitmaps.
5699         (reset_alias_info): Factor out of init_alias_info.
5700         Mark all name tags not associated to an SSA name for renaming.
5701         (init_alias_info): Call it.
5702         (create_name_tags): Tidy.  Add comments.
5703         (dump_points_to_info_for): Do not call get_mem_sym_stats_for.
5704
5705 2007-08-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
5706
5707         * config/mips/mips.c (vr4130_swap_insns_p): Use new interface to
5708         scheduler dependencies.
5709
5710 2007-08-15  Rask Ingemann Lambertsen  <rask@sygehus.dk>
5711
5712         * config/i386/i386.md (subsi3_carry_zext): Remove "m" constraint for
5713         "register_operand".
5714         (*iorsi_1_zext): Likewise.
5715         (*iorsi_1_zext_imm): Likewise.
5716         * config/i386/sse.md: (*sse4_1_extractps): Use "nonimmediate_operand"
5717         with "rm"/"xm" constraint.
5718         (sse2_vmsqrtv2df2): Likewise.
5719
5720 2007-08-15  Jakub Jelinek  <jakub@redhat.com>
5721
5722         PR middle-end/33074
5723         * emit-rtl.c (try_split): Use INSN_LIST instead of EXPR_LIST for
5724         REG_LIBCALL note.
5725
5726 2007-08-14  Daniel Berlin  <dberlin@dberlin.org>
5727
5728         * tree-pass.h (PROP_pta): Removed.
5729         (TODO_rebuild_alias): New.
5730         (pass_may_alias): Removed.
5731         * tree-ssa-ccp.c (execute_fold_all_builtins): Only rebuild
5732         aliasing if we changed something.
5733         * tree-ssa-alias.c (compute_may_aliases): Make non-static.  Update
5734         SSA internally.
5735         (pass_may_alias): Removed.
5736         (create_structure_vars): Return TODO_rebuild_alias.
5737         * tree-ssa-pre.c (do_pre): Return TODO_rebuild_alias.
5738         * tree-sra.c (tree_sra): Only rebuild aliasing if something
5739         changed.
5740         (tree_sra_early): We never affect aliasing right now.
5741         * tree-flow.h (compute_may_aliases): New prototype.
5742         * passes.c: Remove pass_may_alias from the passes.
5743         (execute_function_todo): Support TODO_rebuild_alias.    
5744
5745 2007-08-14  Kai Tietz  <kai.tietz@onevision.com>
5746
5747         * i386.c: (legitimize_address): Move dllimported variable check
5748         infront of legitimizing pic address of CONST symbols.
5749
5750 2007-08-14  Steve Ellcey  <sje@cup.hp.com>
5751
5752         PR tree-optimization/32941
5753         * tree-eh.c (struct leh_tf_state): Add goto_queue_map field.
5754         (goto_queue_cmp): Remove.
5755         (find_goto_replacement): Change search method.
5756         (maybe_record_in_goto_queue): Add assert.
5757         (lower_try_finally): Remove qsort call, add pointer_map_destroy call.
5758         * Makefile.in (tree-eh.o): Add pointer-set.h dependency.
5759
5760 2007-08-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5761
5762         * alias.c (component_uses_parent_alias_set): Constify.
5763         * alias.h (component_uses_parent_alias_set): Likewise.
5764         * cfgrtl.c (print_rtl_with_bb): Likewise.
5765         * double-int.c (tree_to_double_int, double_int_fits_to_tree_p,
5766         mpz_get_double_int): Likewise.
5767         * double-int.h (double_int_fits_to_tree_p, tree_to_double_int,
5768         mpz_get_double_int): Likewise.
5769         * expr.c (is_aligning_offset, undefined_operand_subword_p,
5770         mostly_zeros_p, all_zeros_p, safe_from_p, is_aligning_offset):
5771         Likewise.
5772         * expr.h (safe_from_p): Likewise.
5773         * gimple-low.c (try_catch_may_fallthru, block_may_fallthru):
5774         Likewise.
5775         * gimplify.c (should_carry_locus_p, zero_sized_field_decl,
5776         zero_sized_type, goa_lhs_expr_p): Likewise.
5777         * omp-low.c (is_variable_sized, use_pointer_for_field): Likewise.
5778         * rtl.h (print_rtl_with_bb): Likewise.
5779         * sched-vis.c (print_exp, print_value, print_pattern): Likewise.
5780         * tree-cfg.c (const_first_stmt, const_last_stmt): New.
5781         * tree-flow-inline.h (bb_stmt_list): Constify.
5782         (cbsi_start, cbsi_last, cbsi_end_p, cbsi_next, cbsi_prev,
5783         cbsi_stmt): New.
5784         * tree-flow.h (const_block_stmt_iterator, cbsi_start, cbsi_last,
5785         const_first_stmt, const_last_stmt): New.
5786         (block_may_fallthru, empty_block_p): Constify.
5787         * tree-iterator.c (EXPR_FIRST_BODY, EXPR_LAST_BODY,
5788         EXPR_ONLY_BODY): New.
5789         (expr_first, expr_last, expr_only): Use macro for body.
5790         (const_expr_first, const_expr_last, const_expr_only): New.
5791         * tree-iterator.h (const_tree_stmt_iterator, ctsi_start,
5792         ctsi_last, ctsi_end_p, ctsi_one_before_end_p, ctsi_next,
5793         ctsi_prev, ctsi_stmt): New.
5794         * tree-scalar-evolution.c (get_loop_exit_condition): Constify.
5795         * tree-scalar-evolution.h (get_loop_exit_condition): Likewise.
5796         * tree-ssa-loop-niter.c (loop_only_exit_p,
5797         derive_constant_upper_bound): Likewise.
5798         * tree-ssa-phiopt.c (empty_block_p): Likewise.
5799         * tree-ssa-threadupdate.c (redirection_block_p): Likewise.
5800         * tree-vectorizer.c (slpeel_can_duplicate_loop_p): Likewise.
5801         * tree-vectorizer.h (slpeel_can_duplicate_loop_p): Likewise.
5802         * tree-vrp.c (vrp_bitmap_equal_p): Likewise.
5803         * tree.c (get_type_static_bounds): Likewise.
5804         * tree.h (const_expr_first, const_expr_last, const_expr_only): New.
5805         (get_type_static_bounds): Constify.
5806
5807 2007-08-14  Rask Ingemann Lambertsen  <rask@sygehus.dk>
5808
5809         PR target/30315
5810         * config/i386/i386.h (CANONICALIZE_COMPARISON): New.
5811         * config/i386/i386.md (plusminus)(addsub)(SWI): New.
5812         (*<addsub><mode>3_cc_overflow): New.
5813         (*add<mode>3_cconly_overflow): New.
5814         (*sub<mode>3_cconly_overflow): New.
5815         (*<addsub>si3_zext_cc_overflow): New.
5816         * config/i386/predicates.md (fcmov_comparison_operator): Accept
5817         CCCmode for LTU, GTU, LEU and GEU.
5818         (ix86_comparison_operator): Likewise.
5819         (ix86_carry_flag_operator): Carry flag is set if LTU or GTU in CCCmode.
5820         * config/i386/i386.c (put_condition_code): Support CCCmode.
5821         (ix86_cc_mode): Use CCCmode when testing for overflow of PLUS
5822         or MINUS expressions.
5823
5824 2007-08-14  Andrew Pinski  <pinskia@gmail.com>
5825
5826         PR c/30428
5827         * c-typeck.c (build_binary_op): Disallow vector float types with
5828         BIT_IOR_EXPR, BIT_AND_EXPR, and BIT_XOR_EXPR.
5829
5830 2007-08-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
5831
5832         * sched-int.h (struct _dep): Rename field 'kind' to 'type'.
5833         (DEP_KIND): Rename to DEP_TYPE.  Update all uses.
5834         (dep_def): New typedef.
5835         (init_dep_1, sd_debug_dep): Declare functions.
5836         (DEP_LINK_KIND): Rename to DEP_LINK_TYPE.
5837         (debug_dep_links): Remove.
5838         (struct _deps_list): New field 'n_links'.
5839         (DEPS_LIST_N_LINKS): New macro.
5840         (FOR_EACH_DEP_LINK): Remove.
5841         (create_deps_list, free_deps_list, delete_deps_list): Remove
5842         declaration.
5843         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
5844         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
5845         (copy_deps_list_change_con, move_dep_link): Ditto.
5846         (struct haifa_insn_data): Split field 'back_deps' into 'hard_back_deps'
5847         and 'spec_back_deps'.  New field 'resolved_forw_deps'.  Remove field
5848         'dep_count'.
5849         (INSN_BACK_DEPS): Remove.
5850         (INSN_HARD_BACK_DEPS, INSN_SPEC_BACK_DEPS, INSN_RESOLVED_FORW_DEPS):
5851         New macros.
5852         (INSN_DEP_COUNT): Remove.
5853         (enum DEPS_ADJUST_RESULT): Add new constant DEP_NODEP.  Fix comments.
5854         (spec_info, haifa_recovery_block_was_added_during_scheduling_p):
5855         Declare global variables.
5856         (deps_pools_are_empty_p, sched_free_deps): Declare functions.
5857         (add_forw_dep, compute_forward_dependences): Remove declarations.
5858         (add_or_update_back_dep, add_or_update_back_forw_dep): Ditto.
5859         (add_back_forw_dep, delete_back_forw_dep): Ditto.
5860         (debug_ds, sched_insn_is_legitimate_for_speculation_p): Declare
5861         functions.
5862         (SD_LIST_NONE, SD_LIST_HARD_BACK, SD_LIST_SPEC_BACK, SD_LIST_FORW):
5863         New constants.
5864         (SD_LIST_RES_BACK, SD_LIST_RES_FORW, SD_LIST_BACK): Ditto.
5865         (sd_list_types_def): New typedef.
5866         (sd_next_list): Declare function.
5867         (struct _sd_iterator): New type.
5868         (sd_iterator_def): New typedef.
5869         (sd_iterator_start, sd_iterator_cond, sd_iterator_next): New inline
5870         functions.
5871         (FOR_EACH_DEP): New cycle wrapper.
5872         (sd_lists_size, sd_lists_empty_p, sd_init_insn, sd_finish_insn):
5873         Declare functions.
5874         (sd_find_dep_between, sd_add_dep, sd_add_or_update_dep): Ditto.
5875         (sd_resolve_dep, sd_copy_back_deps, sd_delete_dep, sd_debug_lists):
5876         Ditto.
5877
5878         * sched-deps.c (init_dep_1): Make global.
5879         (DUMP_DEP_PRO, DUMP_DEP_CON, DUMP_DEP_STATUS, DUMP_DEP_ALL): New
5880         constants.
5881         (dump_dep): New static function.
5882         (dump_dep_flags): New static variable.
5883         (sd_debug_dep): New function.
5884         (add_to_deps_list, remove_from_deps_list): Update 'n_links' field of
5885         the list.
5886         (move_dep_link): Use remove_from_deps_list (), instead of
5887         detach_dep_link ().
5888         (dep_links_consistent_p, dump_dep_links, debug_dep_links): Remove.
5889         (dep_link_is_detached_p): New static function.
5890         (deps_obstack, dl_obstack, dn_obstack): Remove.  Use dn_pool, dl_pool
5891         instead.
5892         (dn_pool, dl_pool): New alloc_pools.
5893         (dn_pool_diff, dl_pool_diff): New static variables.
5894         (create_dep_node, delete_dep_node): New static function.
5895         (create_deps_list): Make it static.  Use alloc_pool 'dl_pool'.
5896         (deps_list_empty_p): Make it static.  Use 'n_links' field.
5897         (deps_pools_are_empty_p): New static function.
5898         (alloc_deps_list, delete_deps_list): Remove.
5899         (dump_deps_list, debug_deps_list, add_back_dep_to_deps_list): Remove.
5900         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
5901         (copy_deps_list_change_con): Remove.  Use sd_copy_back_deps () instead.
5902         (forward_dependency_cache): Remove.
5903         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Remove
5904         'back' from the names.  Change signature to use dep_t instead of
5905         equivalent quad.
5906         (add_back_dep): Ditto.  Make global.
5907         (check_dep_status): Rename to check_dep ().
5908         (sd_next_list, sd_lists_size, sd_lists_empty_p, sd_init_insn):
5909         New functions.
5910         (sd_finish_insn): Ditto.
5911         (sd_find_dep_between_no_cache): New static function.
5912         (sd_find_dep_between): New function.
5913         (ask_dependency_caches, set_dependency_caches): New static functions.
5914         (update_dependency_caches, change_spec_dep_to_hard, update_dep): Ditto.
5915         (add_or_update_dep_1): Separate pieces of functionality into
5916         ask_dependency_caches (), update_dependency_caches (),
5917         change_spec_dep_to_hard (), update_dep ().
5918         (get_back_and_forw_lists): New static function.
5919         (sd_add_dep): Separate setting of dependency caches into
5920         set_dependency_caches ().
5921         (sd_add_or_update_dep, sd_resolve_dep, sd_copy_back_deps):
5922         New functions.
5923         (sd_delete_dep): Ditto.
5924         (DUMP_LISTS_SIZE, DUMP_LISTS_DEPS, DUMP_LISTS_ALL): New constants.
5925         (dump_lists): New static function.
5926         (sd_debug_lists): New debug function.
5927         (delete_all_dependences, fixup_sched_groups): Update to use
5928         sd_* infrastructure.
5929         (sched_analyze_2): Create data-speculative dependency only if
5930         data-speculation is enabled.
5931         (sched_analyze_insn): If insn cannot be speculative, make all its
5932         dependencies non-speculative.
5933         (sched_analyze): Use sd_init_insn ().
5934         (add_forw_dep, compute_forward_dependencies): Remove.
5935         (delete_dep_nodes_in_back_deps): New static function.
5936         (sched_free_deps): New function.
5937         (init_dependency_caches): Init alloc_pools.
5938         (extend_depedency_caches): Update after removing of
5939         forward_dependency_cache.
5940         (free_dependency_caches): Ditto.  Free alloc_pools.
5941         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Remove.
5942         (delete_forw_dep, add_or_update_back_dep, add_or_update_back_forw_dep):
5943         Ditto.
5944         (add_back_forw_dep, delete_back_forw_dep): Ditto.
5945         (add_dependence): Use init_dep ().
5946         (get_dep_weak_1): New static function.
5947         (get_dep_weak): Move logic to get_dep_weak_1 ().
5948         (dump_ds): New static function moved from haifa-sched.c:
5949         debug_spec_status ().
5950         (debug_ds): New debug function.
5951         (check_dep_status): Rename to check_dep ().  Update to check whole
5952         dependencies.
5953
5954         * haifa-sched.c (spec_info): Make global.
5955         (added_recovery_block_p): Rename to
5956         'haifa_recovery_block_was_added_during_current_schedule_block_p'.
5957         (haifa_recovery_block_was_added_during_scheduling_p): New variable.
5958         (dep_cost, priority, rank_for_schedule, schedule_insn): Update
5959         to use new interfaces.
5960         (ok_for_early_queue_removal): Ditto.
5961         (schedule_block): Initialize logical uids of insns emitted by the
5962         target.
5963         (sched_init): Initialize new variable.
5964         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
5965         interfaces.
5966         (extend_global): Initialize insn data.
5967         (init_h_i_d): Remove code that is now handled in sd_init_insn ().
5968         (process_insn_forw_deps_be_in_spec): Change signature.  Update to use
5969         new interfaces.
5970         (add_to_speculative_block): Update to use new interfaces.
5971         (create_recovery_block): Set new variables.
5972         (create_check_block_twin, fix_recovery_deps): Update to use new
5973         interfaces.
5974         (sched_insn_is_legitimate_for_speculation_p): New function.
5975         (speculate_insn): Move checking logic to
5976         sched_insn_is_legitimate_for_speculation_p ().
5977         (sched_remove_insn): Finalize sched-deps information of instruction.
5978         (clear_priorities, add_jump_dependencies): Update to use new
5979         interfaces.
5980         (debug_spec_status): Rename to dump_ds () and move to sched-deps.c.
5981         
5982         * sched-rgn.c (set_spec_fed, find_conditional_protection): Update
5983         to use new interfaces.
5984         (is_conditionally_protected, is_pfree, is_prisky) Ditto.
5985         (new_ready): Try to use control speculation only if it is available.
5986         (add_branch_dependences): Update to use new interfaces.
5987         (compute_block_backward_dependences): Rename to
5988         compute_block_dependences ().  Call
5989         targetm.sched.dependencies_evaluation_hook ().
5990         (free_block_dependencies): New static function.
5991         (debug_dependencies): Update to use new interfaces.
5992         (schedule_region): Remove separate computation of forward dependencies.
5993         Move call of targetm.sched.dependencies_evaluation_hook () to
5994         compute_block_dependences ().  Free dependencies at the end of
5995         scheduling the region.
5996
5997         * sched-ebb.c (earliest_block_with_similiar_load): Update to use
5998         new interfaces.
5999         (add_deps_for_risky_insns): Ditto.
6000         (schedule_ebb): Remove separate computation of forward dependencies.
6001         Free dependencies at the end of scheduling the ebb.
6002
6003         * ddg.c (create_ddg_dependence): Update to use new interfaces.
6004         (build_intra_loop_deps): Ditto.  Remove separate computation of
6005         forward dependencies.  Free sched-deps dependencies.
6006
6007         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Update
6008         to use new interfaces.
6009         (ia64_dfa_new_cycle, ia64_gen_check): Ditto.
6010
6011         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Update to use
6012         new interfaces.
6013         (is_costly_group): Ditto.
6014
6015 2007-08-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6016
6017         * alias.c (rtx_equal_for_memref_p): Constify.
6018         * basic-block.h (const_edge, const_basic_block): New.
6019         (reg_set_to_hard_reg_set, dfs_enumerate_from, single_succ_p,
6020         single_pred_p, single_succ_edge, single_pred_edge, single_succ,
6021         single_pred, maybe_hot_bb_p, probably_cold_bb_p,
6022         probably_never_executed_bb_p, edge_probability_reliable_p,
6023         br_prob_note_reliable_p, forwarder_block_p, flow_nodes_print,
6024         inside_basic_block_p, control_flow_insn_p, dominated_by_p):
6025         Likewise.
6026         * bb-reorder.c (better_edge_p, push_to_next_round_p): Likewise.
6027         * bt-load.c (basic_block_freq, insn_sets_btr_p, can_move_up):
6028         Likewise.
6029         * cfganal.c (flow_active_insn_p, forwarder_block_p,
6030         flow_nodes_print, dfs_enumerate_from): Likewise.
6031         * cfgbuild.c (count_basic_blocks, inside_basic_block_p,
6032         control_flow_insn_p, count_basic_blocks): Likewise.
6033         * cfgloop.c (flow_bb_inside_loop_p, glb_enum_p,
6034         get_loop_body_with_size, loop_exit_edge_p): Likewise.
6035         * cfgloop.h (flow_bb_inside_loop_p, num_loop_insns,
6036         average_num_loop_insns, loop_exit_edge_p,
6037         just_once_each_iteration_p, can_duplicate_loop_p): Likewise.
6038         * cfgloopanal.c (just_once_each_iteration_p, num_loop_insns,
6039         average_num_loop_insns, seq_cost): Likewise.
6040         * cfgloopmanip.c (rpe_enum_p, can_duplicate_loop_p): Likewise.
6041         * dominance.c (dominated_by_p): Likewise.
6042         * emit-rtl.c (validate_subreg): Likewise.
6043         * except.c (can_throw_internal, can_throw_external): Likewise.
6044         * except.h (can_throw_internal, can_throw_external): Likewise.
6045         * gcse.c (gcse_constant_p, oprs_unchanged_p, oprs_anticipatable_p,
6046         oprs_available_p, hash_expr, expr_equiv_p, oprs_not_set_p,
6047         compute_transp, load_killed_in_block_p, reg_killed_on_edge,
6048         simple_mem, store_ops_ok, load_kills_store, find_loads,
6049         store_killed_in_insn, store_killed_after, store_killed_before,
6050         gcse_mem_operand, implicit_set_cond_p, store_killed_in_pat):
6051         Likewise.
6052         * ifcvt.c (count_bb_insns, cheap_bb_rtx_cost_p, noce_operand_ok,
6053         noce_mem_write_may_trap_or_fault_p): Likewise.
6054         * pointer-set.c (pointer_set_contains, pointer_map_contains):
6055         Likewise.
6056         * pointer-set.h (pointer_set_contains, pointer_map_contains):
6057         Likewise.
6058         * predict.c (can_predict_insn_p, maybe_hot_bb_p,
6059         probably_cold_bb_p, probably_never_executed_bb_p,
6060         edge_probability_reliable_p, br_prob_note_reliable_p,
6061         can_predict_insn_p): Likewise.
6062         * regclass.c (reg_set_to_hard_reg_set): Likewise.
6063         * resource.c (return_insn_p): Likewise.
6064         * rtl.h (reg_set_between_p, reg_set_p, validate_subreg):
6065         Likewise.
6066         * rtlanal.c (reg_set_between_p, reg_set_p): Likewise.
6067         * tracer.c (count_insns, ignore_bb_p, better_p): Likewise.
6068         * tree-cfg.c (verify_gimple_unary_expr, verify_gimple_binary_expr,
6069         verify_gimple_modify_stmt): Likewise.
6070         * tree-chrec.c (is_not_constant_evolution,
6071         is_multivariate_chrec_rec, is_multivariate_chrec,
6072         chrec_contains_symbols, chrec_contains_undetermined,
6073         tree_contains_chrecs, evolution_function_is_affine_multivariate_p,
6074         evolution_function_is_univariate_p, avoid_arithmetics_in_type_p,
6075         eq_evolutions_p, scev_direction): Likewise.
6076         * tree-chrec.h (automatically_generated_chrec_p, tree_is_chrec,
6077         eq_evolutions_p, is_multivariate_chrec, chrec_contains_symbols,
6078         chrec_contains_symbols_defined_in_loop,
6079         chrec_contains_undetermined, tree_contains_chrecs,
6080         evolution_function_is_affine_multivariate_p,
6081         evolution_function_is_univariate_p, chrec_zerop,
6082         evolution_function_is_constant_p, evolution_function_is_affine_p,
6083         evolution_function_is_affine_or_constant_p,
6084         tree_does_not_contain_chrecs, chrec_type): Likewise.
6085         * tree-data-ref.c (tree_fold_divides_p,
6086         object_address_invariant_in_loop_p, dr_may_alias_p,
6087         ziv_subscript_p, siv_subscript_p, gcd_of_steps_may_divide_p,
6088         same_access_functions, constant_access_functions,
6089         access_functions_are_affine_or_constant_p, find_vertex_for_stmt):
6090         Likewise.
6091         * tree-flow.h (scev_direction): Likewise.
6092         * tree-gimple.c (is_gimple_stmt): Likewise.
6093         * tree-outof-ssa.c (identical_copies_p, identical_stmt_lists_p):
6094         Likewise.
6095         * tree-pretty-print.c (op_prio): Likewise.
6096         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
6097         analyzable_condition, backedge_phi_arg_p): Likewise.
6098         * tree-scalar-evolution.h (get_chrec_loop): Likewise.
6099         * tree-ssa-operands.c (get_name_decl, operand_build_cmp): Likewise.
6100         * tree-ssa-threadupdate.c (dbds_continue_enumeration_p):
6101         Likewise.
6102
6103 2007-08-13  Dan Hipschman  <dsh@google.com>
6104
6105         PR c/32953
6106         * c-format.c (check_format_arg): Move check for zero-length
6107         format strings below the check for unterminated strings.
6108
6109 2007-08-13  Andrew Pinski  <pinskia@gmail.com>
6110
6111         PR C/30427
6112         * c-typeck.c (build_unary_op <case BIT_NOT_EXPR>): Reject vector float
6113         types.
6114
6115 2007-08-13  Nick Clifton  <nickc@redhat.com>
6116
6117         * config/arm/arm_neon.h: Revert GPLv3 patch to this file.
6118
6119 2007-08-12  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
6120
6121         PR fortran/32860
6122         * c-format.c (gcc_gfc_length_specs): New array.
6123         (gcc_gfc_char_table): Add unsigned specifier, and references to
6124         the l length modifier.
6125         (format_types_orig): Use the new gcc_gfc_length_specs.
6126
6127 2007-08-12  Sa Liu  <saliu@de.ibm.com>
6128
6129         * emit-rtl.c (try_split): Relink the insns with REG_LIBCALL note
6130         and with REG_RETVAL note after split.
6131
6132 2007-08-11  David Daney  <ddaney@avtrex.com>
6133
6134         * config/mips/mips.c (mips_sched_reorder): Mark cycle parameter
6135         as ATTRIBUTE_UNUSED.
6136
6137 2007-08-11  David Edelsohn  <edelsohn@gnu.org>
6138             Segher Boessenkool  <segher@kernel.crashing.org>
6139
6140         * config/rs6000/rs6000.h (CC1_CPU_SPEC): Define as empty string if
6141         HAVE_LOCAL_CPU_DETECT not defined.
6142
6143 2007-08-11  Jan Hubicka  <jh@suse.cz>
6144
6145         * cgraphunit.c (record_cdtor_fn): Declare all cdtors always inlined.
6146         (cgraph_process_new_functions): Honor previous value of
6147         disregard_inline_limits.
6148         * ipa-inline.c (compute_inline_parameters): Likewise.
6149
6150 2007-08-11  Ian Lance Taylor  <iant@google.com>
6151
6152         * alias.h (alias_set_type): Define new type.
6153         (ALIAS_SET_MEMORY_BARRIER): Use it.
6154         * rtl.h: Include alias.h.
6155         (struct mem_attrs): Use alias_set_type.
6156         * tree.h: Include alias.h
6157         (struct tree_type): Use alias_set_type.
6158         (struct tree_struct_field_tag): Likewise.
6159         (struct tree_decl_common): Likewise.
6160         * alias.c (struct alias_set_entry): Use alias_set_type.
6161         (get_alias_set_entry, alias_set_subset_of): Likewise.
6162         (alias_sets_conflict_p): Likewise.
6163         (alias_sets_must_conflict_p): Likewise.
6164         (objects_must_conflict_p): Likewise.
6165         (get_alias_set, new_alias_set): Likewise.
6166         (record_alias_subset, record_component_aliases): Likewise.
6167         (varargs_set, frame_set): Change to alias_set_type.
6168         (get_varargs_alias_set): Use alias_set_type.
6169         (get_frame_alias_set): Likewise.
6170         * builtins.c (setjmp_alias_set): Change to alias_set_type.
6171         * dse.c (struct store_info): Use alias_set_type.
6172         (struct read_info, struct clear_alias_mode_holder): Likewise.
6173         (clear_alias_set_lookup, canon_address): Likewise.
6174         (record_store, check_mem_read_rtx): Likewise.
6175         (dse_record_singleton_alias_set): Likewise.
6176         (dse_invalidate_singleton_alias_set): Likewise.
6177         * emit-rtl.c (get_mem_attrs): Likewise.
6178         (set_mem_attributes_minus_bitpos): Likewise.
6179         (set_mem_alias_set): Likewise.
6180         * expr.c (store_constructor_field, store_field): Likewise.
6181         * gimplify.c (struct gimplify_init_ctor_preeval_data): Likewise.
6182         * langhooks.c (lhd_get_alias_set): Likewise.
6183         * langhooks-def.h (lhd_get_alias_set): Likewise.
6184         * reload1.c (alter_reg): Likewise.
6185         * tree-flow.h (struct fieldoff): Likewise.
6186         * tree-ssa-alias.c (struct alias_map_d): Likewise.
6187         (may_alias_p, get_smt_for, create_sft): Likewise.
6188         * tree-ssa-alias-warnings.c (nonstandard_alias_types_p): Likewise.
6189         * tree-ssa-structalias.c (set_uids_in_ptset): Likewise.
6190         (merge_smts_into): Likewise.
6191         * varasm.c (const_alias_set): Likewise.
6192         * c-common.c (strict_aliasing_warning): Likewise.
6193         (c_common_get_alias_set): Likewise.
6194         * dse.h (dse_record_singleton_alias_set): Update declaration.
6195         (dse_invalidate_singleton_alias_set): Likewise.
6196         * emit-rtl.h (set_mem_alias_set): Likewise.
6197         * c-common.h (c_common_get_alias_set): Likewise.
6198         * print-rtl.c (print_rtx): Cast MEM_ALIAS_SET when printing it.
6199         * print-tree.c (print_node): Likewise.
6200         * config/alpha/alpha.c (alpha_sr_alias_set): Change to
6201         alias_set_type.
6202         (alpha_setup_incoming_varargs): Use alias_set_type.
6203         * config/i386/i386.c (setup_incoming_varargs_64): Use
6204         alias_set_type.
6205         (setup_incoming_varargs_ms_64): Likewise.
6206         (ix86_GOT_alias_set): Likewise.
6207         * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
6208         * config/rs6000/rs6000.c (setup_incoming_varargs): Likewise.
6209         (set): Change to alias_set_type.
6210         (get_TOC_alias_set): Use alias_set_type.
6211         * config/rs6000/rs6000-protos.h (get_TOC_alias_set): Update
6212         declaration.
6213         * config/sh/sh.c (sh_builtin_saveregs): Use alias_set_type.
6214         * config/sparc/sparc.c (sparc_sr_alias_set): Change to
6215         alias_set_type.
6216         (struct_value_alias_set): Likewise.
6217         * Makefile.in (GTFILES): Add $(srcdir)/alias.h.
6218
6219 2007-08-11  Richard Sandiford  <richard@codesourcery.com>
6220
6221         * config/vxworks-dummy.h (TARGET_VXWORKS): Define.
6222         * config/vxworks.h (TARGET_VXWORKS): Override.
6223         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Don't define
6224         "mips" if TARGET_VXWORKS.
6225
6226 2007-08-11  Richard Sandiford  <richard@codesourcery.com>
6227
6228         * calls.c (avoid_likely_spilled_reg): New function.
6229         (expand_call): Use it.
6230
6231 2007-08-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6232
6233         * c-typeck.c (build_c_cast): Add OPT_Wcast_qual to warnings.
6234
6235 2007-08-10  Adam Nemet  <anemet@caviumnetworks.com>
6236
6237         * config/mips/predicates.md (const_call_insn_operand): Invoke
6238         SYMBOL_REF_LONG_CALL_P only on SYMBOL_REFs.
6239
6240 2007-08-10  David Edelsohn  <edelsohn@gnu.org>
6241
6242         PR target/33042
6243         * config/rs6000/driver-rs6000.c: Include link.h.
6244         Use ElfW instead of wordsize-specif typedef.
6245
6246 2007-08-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6247
6248         * system.h (CONST_CAST): New.
6249         * c-decl.c (c_make_fname_decl): Use it.
6250         * c-lex.c (cb_ident, lex_string): Likewise.
6251         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise.
6252         * gcc.c (set_spec, read_specs, for_each_path, execute, do_spec_1,
6253         give_switch, set_multilib_dir): Likewise.
6254         * gengtype-parse.c (string_seq, typedef_name): Likewise.
6255         * passes.c (execute_one_pass): Likewise.
6256         * prefix.c (update_path): Likewise.
6257         * pretty-print.c (pp_base_destroy_prefix): Likewise.
6258         * tree.c (build_string): Likewise.
6259
6260 2007-08-10  Aldy Hernandez  <aldyh@redhat.com>
6261
6262         * tree-flow-inline.h (is_exec_stmt): Remove.
6263         (is_label_stmt): Remove.
6264         * tree-flow.h: Remove prototypes for is_exec_stmt, get_filename, and
6265         is_label_stmt.
6266
6267 2007-08-10  Andreas Krebbel  <krebbel1@de.ibm.com>
6268
6269         * lower-subreg.c (resolve_shift_zext): Don't adjust
6270         src_reg_num for wordmode operands.
6271
6272 2007-08-10  Sandra Loosemore  <sandra@codesourcery.com>
6273             David Ung  <davidu@mips.com>
6274
6275         * config/mips/mips.c (TARGET_SCHED_INIT): Define.
6276         (TARGET_SCHED_REORDER2): Define.
6277         (mips_maybe_swap_ready): New.
6278         (mips_last_74k_agen_insn): New.
6279         (mips_74k_agen_init): New.
6280         (mips_74k_agen_reorder): New function to group loads and stores
6281         in the ready queue.
6282         (mips_sched_init): New.  
6283         (mips_sched_reorder): Don't do initialization here.  Call
6284         mips_74k_agen_reorder.
6285         (mips_variable_issue): Call mips_74k_agen_init.
6286
6287 2007-08-10  Aldy Hernandez  <aldyh@redhat.com>
6288
6289         * tree-flow-inline.h (get_filename): Remove.
6290
6291 2007-08-10  Richard Sandiford  <richard@codesourcery.com>
6292
6293         * config/mips/mips-protos.h (mips_address_insns): Add a boolean
6294         argument.
6295         (mips_fetch_insns): Delete in favor of...
6296         (mips_load_store_insns): ...this new function.
6297         * config/mips/mips.c (mips_address_insns): Add a boolean argument
6298         to say whether multiword moves _might_ be split.
6299         (mips_fetch_insns): Delete in favor of...
6300         (mips_load_store_insns): ...this new function.
6301         (mips_rtx_costs): Update the call to mips_address_insns.
6302         (mips_address_cost): Likewise.
6303         * config/mips/mips.md (length): Use mips_load_store_insns instead
6304         of mips_fetch_insns.
6305         * config/mips/constraints.md (R): Use mips_address_insns rather
6306         than mips_fetch_insns.  Assume that the move never needs to be split.
6307
6308 2007-08-09  Sandra Loosemore  <sandra@codesourcery.com>
6309
6310         * config/mips/mips.opt (mhard-float, msoft-float): Make these
6311         control TARGET_HARD_FLOAT_ABI and TARGET_SOFT_FLOAT_ABI, rather
6312         than TARGET_HARD_FLOAT and TARGET_SOFT_FLOAT.  
6313         * config/mips/mips.h (mips16_hard_float): Delete.
6314         (TARGET_HARD_FLOAT_ABI, TARGET_SOFT_FLOAT_ABI): Delete these
6315         definitions, and replace with....
6316         (TARGET_HARD_FLOAT, TARGET_SOFT_FLOAT): Define.
6317         * config/mips/mips.c (mips16_hard_float): Delete.  Replace
6318         all references with (TARGET_MIPS16 && TARGET_HARD_FLOAT_ABI).
6319         (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Update comments.
6320         (override_options): Replace MASK_SOFT_FLOAT references with
6321         MASK_SOFT_FLOAT_ABI.  Delete twiddling with MASK_SOFT_FLOAT
6322         and mips16_hard_float when TARGET_MIPS16.
6323         
6324 2007-08-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6325
6326         PR c/32796
6327         * c-typeck.c (build_binary_op): Check for non pointer types before
6328         calling int_fits_type_p.
6329
6330 2007-08-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6331
6332         PR middle-end/32813
6333         * fold-const.c (omit_one_operand): Return only the ommitted expression
6334         if the result is an empty statement.
6335         (pedantic_omit_one_operand): Likewise.
6336
6337 2007-08-09  Daniel Berlin  <dberlin@dberlin.org>
6338
6339         * c-typeck.c (readonly_error): Improve error for assignment.
6340         
6341         * c-pretty-print.c (pp_c_additive_expression): Handle pointer-plus
6342         expression. 
6343         (pp_c_expression): Ditto.
6344
6345 2007-08-09  Simon Baldwin  <simonb@google.com>
6346
6347         * simplify-rtx.c (simplify_binary_operation_1): Removed erroneous
6348         break that was preventing simplify_associative_operation() for xor.
6349
6350 2007-08-09  Sandra Loosemore  <sandra@codesourcery.com>
6351             Nigel Stephens  <nigel@mips.com>
6352
6353         * doc/tm.texi (CLZ_DEFINED_VALUE_AT_ZERO, CTZ_DEFINED_VALUE_AT_ZERO):
6354         Document change in interpretation of value from boolean to
6355         tri-state integer.
6356         * optabs.c (expand_ffs, expand_ctz): New functions to compute
6357         ffs and ctz using clz.
6358         (expand_unop): Call them.
6359         * config/rs6000/rs6000.h (CLZ_DEFINED_VALUE_AT_ZERO): Fix its
6360         result value.
6361         (CTZ_DEFINED_VALUE_AT_ZERO): Likewise.
6362         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Likewise, to
6363         enable the new ffs expansion on this target.
6364
6365 2007-08-09  Jan Hubicka  <jh@suse.cz>
6366
6367         * optabs.c (expand_widen_pattern_expr): Use optabs accestors.
6368         (expand_ternary_op): Likewise.
6369         (expand_vec_shift_expr): Likewise.
6370         (expand_binop_directly): Likewise.
6371         (expand_binop): Likewise.
6372         (sign_expand_binop): Likewise.
6373         (expand_twoval_unop): Likewise.
6374         (expand_twoval_binop): Likewise.
6375         (expand_twoval_binop_libfunc): Likewise.
6376         (widen_clz): Likewise.
6377         (widen_bswap): Likewise.
6378         (expand_parity): Likewise.
6379         (expand_unop): Likewise.
6380         (expand_abs_nojump): Likewise.
6381         (expand_copysign): Likewise.
6382         (emit_no_conflict_block): Likewise.
6383         (emit_libcall_block): Likewise.
6384         (can_compare_p): Likewise.
6385         (prepare_cmp_insn): Likewise.
6386         (emit_cmp_and_jump_insn_1): Likewise.
6387         (prepare_float_lib_cmp): Likewise.
6388         (emit_conditional_add): Likewise.
6389         (gen_add2_insn): Likewise.
6390         (have_add2_insn): Likewise.
6391         (gen_sub2_insn): Likewise.
6392         (have_sub2_insn): Likewise.
6393         (can_extend_p): Likewise.
6394         (can_fix_p): Likewise.
6395         (can_float_p): Likewise.
6396         (expand_float): Likewise.
6397         (expand_fix): Likewise.
6398         (expand_sfix_optab): Likewise.
6399         (new_optab): Likewise.
6400         (new_convert_optab): Likewise.
6401         (init_libfuncs): Likewise.
6402         (init_interclass_conv_libfuncs): Likewise.
6403         (init_intraclass_conv_libfuncs): Likewise.
6404         (set_conv_libfunc): Likewise.
6405         (init_optabs): Likewise.
6406         (debug_optab_libfuncs): Likewise.
6407         (gen_cond_trap): Likewise.
6408         * optabs.h (optab_handler, convert_optab_hanlder): New.
6409         * genopinit.c: Update optabs generation table.
6410         * reload.c (find_reloads_address_1): Use optabs accestors.
6411         * builtins.c (expand_builtin_mathfn): Likewise.
6412         (expand_builtin_mathfn_2): Likewise.
6413         (expand_builtin_mathfn_3): Likewise.
6414         (expand_builtin_interclass_mathfn): Likewise.
6415         (expand_builtin_sincos): Likewise.
6416         (expand_builtin_cexpi): Likewise.
6417         (expand_builtin_powi): Likewise.
6418         (expand_builtin_strlen): Likewise.
6419         * dojump.c (do_jump): Likewise.
6420         * expr.c (convert_move): Likewise.
6421         (move_by_pieces): Likewise.
6422         (move_by_pieces_ninsns): Likewise.
6423         (can_store_by_pieces): Likewise.
6424         (store_by_pieces_1): Likewise.
6425         (emit_move_via_integer): Likewise.
6426         (emit_move_complex): Likewise.
6427         (emit_move_ccmode): Likewise.
6428         (emit_move_insn_1): Likewise.
6429         (emit_single_push_insn): Likewise.
6430         (store_constructor): Likewise.
6431         (expand_expr_real_1): Likewise.
6432         (do_store_flag): Likewise.
6433         * ada/misc.c (gnat_compute_largest_alignment): Likewise.
6434         (enumerate_modes): Likewise.
6435         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
6436         (supportable_widening_operation): Likewise.
6437         (supportable_narrowing_operation): Likewise.
6438         * expmed.c (store_bit_field_1): Likewise.
6439         (extract_bit_field_1): Likewise.
6440         (expand_mult_highpart_optab): Likewise.
6441         (expand_smod_pow2): Likewise.
6442         (expand_divmod): Likewise.
6443         (emit_store_flag): Likewise.
6444         * tree-vect-patterns.c
6445         (vect_pattern_recog_1): Likewise.
6446         * tree-ssa-loop-prefetch.c
6447         (nontemporal_store_p): Likewise.
6448         * tree-vect-transform.c (vect_model_reduction_cost): Likewise.
6449         (vect_create_epilog_for_reduction): Likewise.
6450         (vectorizable_reduction): Likewise.
6451         (vectorizable_operation): Likewise.
6452         (vect_strided_store_supported): Likewise.
6453         (vectorizable_store): Likewise.
6454         (vect_strided_load_supported): Likewise.
6455         (vectorizable_load): Likewise.
6456         * combine.c (simplify_comparison): Likewise.
6457         * tree-vect-generic.c
6458         (type_for_widest_vector_mode): Likewise.
6459         (expand_vector_operations_1): Likewise.
6460         * config/spu/spu.c (spu_expand_mov): Likewise.
6461         (spu_emit_vector_compare): Likewise.
6462         * config/rs6000/rs6000.c
6463         (rs6000_emit_vector_compare): Likewise.
6464         * stmt.c (add_case_node): Likewise.
6465         * reload1.c (gen_reload):
6466
6467 2007-08-09  Michael Matz  <matz@suse.de>
6468
6469         * tree.h (fixed_zerop): Declare as taking a const_tree.
6470         * tree.c (fixed_zerop): Take a const_tree.
6471
6472 2007-08-09  Ira Rosen  <irar@il.ibm.com>
6473
6474         * tree-vect-transform.c (vectorizable_store): Remove call to
6475         copy_virtual_operands() and call mark_symbols_for_renaming() for
6476         the created vector store.
6477         (vect_setup_realignment): Don't call copy_virtual_operands() and
6478         update_vuses_to_preheader(). 
6479         (vectorizable_load): Don't call copy_virtual_operands(). 
6480         (update_vuses_to_preheader): Remove.
6481
6482 2007-08-08  Chao-ying Fu  <fu@mips.com>
6483
6484         * tree.def (FIXED_POINT_TYPE): New type.
6485         (FIXED_CST): New constant.
6486         (FIXED_CONVERT_EXPR): New expr.
6487         * doc/c-tree.texi (Types): Document FIXED_POINT_TYPE.
6488         (Expressions): Document FIXED_CST and FIXED_CONVERT_EXPR.
6489         * tree.h (struct tree_base): Add saturating_flag.
6490         Remove one bit of spare for saturating_flag.
6491         (NUMERICAL_TYPE_CHECK): Support FIXED_POINT_TYPE.
6492         (NON_SAT_FIXED_POINT_TYPE_P, SAT_FIXED_POINT_TYPE_P,
6493         FIXED_POINT_TYPE_P): Define.
6494         (TYPE_SATURATING): Define.
6495         (TREE_FIXED_CST_PTR, TREE_FIXED_CST): Define.
6496         (struct tree_fixed_cst): New.
6497         (TYPE_IBIT, TYPE_FBIT): Define.
6498         (tree_node): Add fixed_cst.
6499         (enum tree_index): Add new enumeration values of
6500         TI_SAT_SFRACT_TYPE, TI_SAT_FRACT_TYPE, TI_SAT_LFRACT_TYPE,
6501         TI_SAT_LLFRACT_TYPE, TI_SAT_USFRACT_TYPE, TI_SAT_UFRACT_TYPE,
6502         TI_SAT_ULFRACT_TYPE, TI_SAT_ULLFRACT_TYPE, TI_SFRACT_TYPE,
6503         TI_FRACT_TYPE, TI_LFRACT_TYPE, TI_LLFRACT_TYPE, TI_USFRACT_TYPE,
6504         TI_UFRACT_TYPE, TI_ULFRACT_TYPE, TI_ULLFRACT_TYPE,
6505         TI_SAT_SACCUM_TYPE, TI_SAT_ACCUM_TYPE, TI_SAT_LACCUM_TYPE,
6506         TI_SAT_LLACCUM_TYPE, TI_SAT_USACCUM_TYPE, TI_SAT_UACCUM_TYPE,
6507         TI_SAT_ULACCUM_TYPE, TI_SAT_ULLACCUM_TYPE, TI_SACCUM_TYPE,
6508         TI_ACCUM_TYPE, TI_LACCUM_TYPE, TI_LLACCUM_TYPE, TI_USACCUM_TYPE,
6509         TI_UACCUM_TYPE, TI_ULACCUM_TYPE, TI_ULLACCUM_TYPE,
6510         TI_QQ_TYPE, TI_HQ_TYPE,_TYPE, TI_SQ_TYPE, TI_DQ_TYPE, TI_TQ_TYPE,
6511         TI_UQQ_TYPE, TI_UHQ_TYPE, TI_USQ_TYPE, TI_UDQ_TYPE, TI_UTQ_TYPE,
6512         TI_SAT_QQ_TYPE, TI_SAT_HQ_TYPE, TI_SAT_SQ_TYPE, TI_SAT_DQ_TYPE,
6513         TI_SAT_TQ_TYPE, TI_SAT_UQQ_TYPE, TI_SAT_UHQ_TYPE, TI_SAT_USQ_TYPE,
6514         TI_SAT_UDQ_TYPE, TI_SAT_UTQ_TYPE, TI_HA_TYPE, TI_SA_TYPE, TI_DA_TYPE,
6515         TI_TA_TYPE, TI_UHA_TYPE, TI_USA_TYPE, TI_UDA_TYPE, TI_UTA_TYPE,
6516         TI_SAT_HA_TYPE, TI_SAT_SA_TYPE, TI_SAT_DA_TYPE, TI_SAT_TA_TYPE,
6517         TI_SAT_UHA_TYPE, TI_SAT_USA_TYPE, TI_SAT_UDA_TYPE, TI_SAT_UTA_TYPE.
6518         (sat_short_fract_type_node, sat_fract_type_node,
6519         sat_long_fract_type_node, sat_long_long_fract_type_node,
6520         sat_unsigned_short_fract_type_node, sat_unsigned_fract_type_node,
6521         sat_unsigned_long_fract_type_node,
6522         sat_unsigned_long_long_fract_type_node, short_fract_type_node,
6523         fract_type_node, long_fract_type_node, long_long_fract_type_node,
6524         unsigned_short_fract_type_node, unsigned_fract_type_node,
6525         unsigned_long_fract_type_node, unsigned_long_long_fract_type_node,
6526         sat_short_accum_type_node, sat_accum_type_node,
6527         sat_long_accum_type_node, sat_long_long_accum_type_node,
6528         sat_unsigned_short_accum_type_node, sat_unsigned_accum_type_node,
6529         sat_unsigned_long_accum_type_node,
6530         sat_unsigned_long_long_accum_type_node, short_accum_type_node,
6531         accum_type_node, long_accum_type_node, long_long_accum_type_node,
6532         unsigned_short_accum_type_node, unsigned_accum_type_node,
6533         unsigned_long_accum_type_node, unsigned_long_long_accum_type_node,
6534         qq_type_node, hq_type_node, sq_type_node, dq_type_node, tq_type_node,
6535         uqq_type_node, uhq_type_node, usq_type_node, udq_type_node,
6536         utq_type_node, sat_qq_type_node, sat_hq_type_node, sat_sq_type_node,
6537         sat_dq_type_node, sat_tq_type_node, sat_uqq_type_node,
6538         sat_uhq_type_node, sat_usq_type_node, sat_udq_type_node,
6539         sat_utq_type_node, ha_type_node, sa_type_node, da_type_node,
6540         ta_type_node, uha_type_node, usa_type_node, uda_type_node,
6541         uta_type_node, sat_ha_type_node, sat_sa_type_node, sat_da_type_node,
6542         sat_ta_type_node, sat_uha_type_node, sat_usa_type_node,
6543         sat_uda_type_node, sat_uta_type_node): New macro.
6544         (make_fract_type, make_accum_type): Declare.
6545         (make_signed_fract_type, make_unsigned_fract_type,
6546         make_sat_signed_fract_type, make_sat_unsigned_fract_type,
6547         make_signed_accum_type, make_unsigned_accum_type,
6548         make_sat_signed_accum_type, make_sat_unsigned_accum_type,
6549         make_or_reuse_signed_fract_type, make_or_reuse_unsigned_fract_type,
6550         make_or_reuse_sat_signed_fract_type,
6551         make_or_reuse_sat_unsigned_fract_type, make_or_reuse_signed_accum_type,
6552         make_or_reuse_unsigned_accum_type, make_or_reuse_sat_signed_accum_type,
6553         make_or_reuse_sat_unsigned_accum_type): New macro.
6554         (fixed_zerop): Declare.
6555         * defaults.h (SHORT_FRACT_TYPE_SIZE, FRACT_TYPE_SIZE,
6556         LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE,
6557         SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE,
6558         LONG_LONG_ACCUM_TYPE_SIZE): Define.
6559         * treestruct.def: Add TS_FIXED_CST.
6560         * Makefile.in (c-pretty-print.o): Add dependence on fixed-value.h.
6561         (tree.o): Likewise.
6562         (tree-dump.o): Likewise.
6563         (print-tree.o): Likewise.
6564         (tree-pretty-print.o): Likewise.
6565         (fold-const.o): Likewise.
6566         * tree-complex.c (some_nonzerop): Handle FIXED_CST.
6567         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle FIXED_CST.
6568         (is_gimple_min_invariant): Handle FIXED_CST.
6569         * stor-layout.c (int_mode_for_mode): Handle MODE_FRACT, MODE_UFRACT,
6570         MODE_ACCUM, MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT,
6571         MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
6572         (layout_type): Handle FIXED_POINT_TYPE.
6573         (make_fract_type, make_accum_type): New functions.
6574         * tree-browser.c (browse_tree): Handle FIXED_POINT_TYPE.
6575         * tree-dump.c (fixed-value.h): New include.
6576         (dump_fixed): New function.
6577         (dequeue_and_dump): Handle FIXED_POINT_TYPE and FIXED_CST.
6578         * tree-inline.c (remap_type_1): Handle FIXED_POINT_TYPE.
6579         (estimate_num_insns_1): Handle FIXED_CST and FIXED_CONVERT_EXPR.
6580         * tree-pretty-print.c (fixed-value.h): New include.
6581         (dump_generic_node): Handle FIXED_POINT_TYPE, FIXED_CST, and
6582         FIXED_CONVERT_EXPR.
6583         * tree-scalar-evolution.c (get_scalar_evolution): Handle FIXED_CST.
6584         * tree-ssa-loop-im.c (for_each_index): Handle FIXED_CST.
6585         * tree-ssa-pre.c (poolify_tree): Handle FIXED_CST.
6586         * tree-ssa-reassoc.c (break_up_subtract_bb): We can do reassociation
6587         for non-saturating fixed-point types.
6588         (reassociate_bb): Likewise.
6589         * emit-rtl.c (fixed-value.h): New include.
6590         (fconst0, fconst1): New array.
6591         (init_emit_once): Initialize fconst0 and fconst1 for fixed-point modes.
6592         * tree-vect-generic.c expand_vector_operation): Support
6593         MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, and
6594         MODE_VECTOR_UACCUM.
6595         (type_for_widest_vector_mode): Add one parameter for the 
6596         saturating flag.
6597         Check scalar FRACT, UFRACT, ACCUM, and UACCUM mode to select their
6598         vector mode.
6599         Pass the satp parameter to type_for_mode for fixed-point types.
6600         (expand_vector_operations_1): Pass the saturating flag to
6601         type_for_widest_vector_mode.
6602         Support MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
6603         and MODE_VECTOR_UACCUM.
6604         * tree-vect-transform.c (vect_is_simple_cond): Support FIXED_CST.
6605         (vectorizable_condition): Likewise.
6606         * tree.c (fixed-value.h): New include.
6607         (tree_code_size): Support FIXED_CST.
6608         (build_fixed): New function.
6609         (build_one_cst): Support FIXED_POINT_TYPE for accum types.
6610         (fixed_zerop): New function.
6611         (tree_node_structure): Support FIXED_CST.
6612         (type_contains_placeholder_1): Support FIXED_POINT_TYPE.
6613         (build_type_attribute_qual_variant): Handle FIXED_POINT_TYPE.
6614         (type_hash_eq): Handle FIXED_POINT_TYPE.
6615         (simple_cst_equal): Support FIXED_CST.
6616         (iterative_hash_expr): Handle FIXED_CST.
6617         (get_unwidened): Make sure type is not FIXED_POINT_TYPE.
6618         (get_narrower): Likewise.
6619         (variably_modified_type_p): Handle FIXED_POINT_TYPE.
6620         (make_or_reuse_fract_type, make_or_reuse_accum_type): New functions.
6621         (build_common_tree_nodes_2): Use MAKE_FIXED_TYPE_NODE_FAMILY and
6622         MAKE_FIXED_MODE_NODE macros to initialize fixed-point type
6623         nodes.
6624         (build_vector_type_for_mode): Handle MODE_VECTOR_FRACT,
6625         MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
6626         (initializer_zerop): Support FIXED_CST.
6627         (walk_tree): Handle FIXED_CST and FIXED_POINT_TYPE.
6628         * dwarf2out.c (base_type_die): Use DW_ATE_signed_fixed or
6629         DW_ATE_unsigned_fixed to describe FIXED_POINT_TYPE.
6630         (is_base_type): Handle FIXED_POINT_TYPE.
6631         (add_type_attribute): Handle FIXED_POINT_TYPE.
6632         (gen_type_die_with_usage): Handle FIXED_POINT_TYPE.
6633         * print-tree.c (fixed-value.h): New include.
6634         (print_node_brief): Support FIXED_CST.
6635         (print_node): Support FIXED_POINT_TYPE and FIXED_CST.
6636         * c-pretty-print.c (fixed-value.h): New include.
6637         (pp_c_type_specifier): Handle FIXED_POINT_TYPE.  Need to pass
6638         TYPE_SATURATING to c_common_type_for_mode for fixed-point modes.
6639         (pp_c_direct_abstract_declarator): Handle FIXED_POINT_TYPE.
6640         Support fixed-point types for inner items in VECTOR_TYPE.
6641         (pp_c_direct_declarator): Likewise.
6642         (pp_c_declarator): Likewise.
6643         (pp_c_fixed_constant): New function.
6644         (pp_c_constant): Handle FIXED_CST.
6645         (pp_c_primary_expression): Likewise.
6646         (pp_c_expression): Likewise.
6647         * fold-const.c (fixed-value.h): New include.
6648         (negate_expr_p): Return true for FIXED_CST.
6649         (fold_negate_expr): Support FIXED_CST.
6650         (split_tree): Support FIXED_CST.
6651         (const_binop): Support FIXED_CST.
6652         (fold_convert_const_int_from_fixed): New function to convert from
6653         fixed to int.
6654         (fold_convert_const_real_from_fixed): New function to convert from
6655         fixed to real.
6656         (fold_convert_const_fixed_from_fixed): New function to convert from
6657         fixed to another fixed.
6658         (fold_convert_const_fixed_from_int): New function to convert from
6659         int to fixed.
6660         (fold_convert_const_fixed_from_real): New function to convert from
6661         real to fixed.
6662         (fold_convert_const): Support conversions from fixed to int, from
6663         fixed to real, from fixed to fixed, from int to fixed, and from real
6664         to fixed.
6665         (fold_convert): Support FIXED_CST and FIXED_POINT_TYPE.
6666         (operand_equal_p): Support FIXED_CST.
6667         (make_range): For fixed-point modes, we need to pass the
6668         saturating flag as the 2nd parameter.
6669         (tree_swap_operands_p): Handle FIXED_CST.
6670         (fold_plusminus_mult_expr): For fract modes, we cannot generate
6671         constant 1.
6672         (fold_unary): Support FIXED_CONVERT_EXPR.
6673         (fold_binary): Handle FIXED_CST.
6674         Make sure the type is not saturating, before associating operations.
6675         Ex: A + B + C, A * B * C, (A1 * C1) +/- (A2 * C2).
6676         (tree_expr_nonnegative_warnv_p): Handle FIXED_CST.
6677         (fold_negate_const): Support FIXED_CST.
6678         (fold_relational_const): Support FIXED_CST.
6679         * gimplify.c (omp_firstprivatize_type_sizes): Handle FIXED_POINT_TYPE.
6680         (gimplify_expr): Handle FIXED_CST.
6681         (gimplify_type_sizes): Handle FIXED_POINT_TYPE.
6682         * ipa-prop.c (ipa_callsite_compute_param): Support FIXED_CST.
6683         * ipa-type-escape.c (type_to_consider): Handle FIXED_POINT_TYPE.
6684         * doc/tm.texi (Type Layout): Document SHORT_FRACT_TYPE_SIZE,
6685         FRACT_TYPE_SIZE, LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE,
6686         SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE,
6687         LONG_LONG_ACCUM_TYPE_SIZE.
6688         * dbxout.c (dbxout_type): Handle FIXED_POINT_TYPE.
6689         * c-aux-info.c (gen_type): Handle FIXED_POINT_TYPE.
6690         * tree-sra.c (is_sra_scalar_type): Support FIXED_POINT_TYPE.
6691         * expmed.c (extract_bit_field): Support MODE_FRACT, MODE_UFRACT,
6692         MODE_ACCUM, and MODE_UACCUM.
6693         * tree-vectorizer.c (vect_is_simple_reduction): Check for saturating
6694         fixed-point types to disable reduction.
6695         * explow.c (promote_mode): Support FIXED_POINT_TYPE.
6696
6697 2007-08-08  David Edelsohn  <edelsohn@gnu.org>
6698
6699         * config/rs6000/x-rs6000: New file.
6700         * config/rs6000/darwin.h (CC1_SPEC): Add cc1_cpu.
6701         * config/rs6000/rs6000.h (EXTRA_SPECS): Add cc1_cpu.
6702         (EXTRA_SPEC_FUNCTIONS): Define.
6703         (HAVE_LOCAL_CPU_DETECT): Define.
6704         (CC1_CPU_SPEC): Define.
6705         * config/rs6000/driver-rs6000.c: New file.
6706         * config/rs6000/aix.h (CC1_SPEC): Define.
6707         * config/rs6000/sysv4.h (CC1_SPEC): Add cc1_cpu.
6708         * config.host: Add x-rs6000 to host_xmake_file if host and target
6709         are rs6000 or powerpc.
6710
6711 2007-08-08  Paolo Bonzini <paolo.bonzini@lu.unisi.ch>
6712
6713         * config/i386/t-crtstuff (CRTSTUFF_T_CFLAGS): Use +=.
6714
6715 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
6716             Sandra Loosemore  <sandra@codesourcery.com>
6717             Chao-ying Fu  <fu@mips.com>
6718             Nigel Stephens  <nigel@mips.com>
6719             David Ung  <davidu@mips.com>
6720
6721         * doc/invoke.texi (-mcode-readable): Document.
6722         * config/mips/mips.opt (mcode-readable): New option.
6723         * config/mips/mips-protos.h (SYMBOL_32_HIGH): New symbol type.
6724         * config/mips/mips.h (mips_code_readable_setting): New enum.
6725         (mips_code_readable): Declare.
6726         (TARGET_MIPS16_TEXT_LOADS, TARGET_MIPS16_PCREL_LOADS): New macros.
6727         (TARGET_MIPS16_SHORT_JUMP_TABLES): New macro.
6728         (JUMP_TABLES_IN_TEXT_SECTION): Use it.
6729         (CASE_VECTOR_MODE, CASE_VECTOR_PC_RELATIVE): Likewise.  Remove
6730         boiler-plate comments.
6731         (ASM_OUTPUT_ADDR_DIFF_ELT): Use TARGET_MIPS16_SHORT_JUMP_TABLES.
6732         * config/mips/mips.c (mips_code_readable): New variable.
6733         (mips_classify_symbol): Only return SYMBOL_PC_RELATIVE for
6734         MIPS16 labels if TARGET_MIPS16_SHORT_JUMP_TABLES.  Use both the
6735         context and -mcode-readable setting to restrict the use of
6736         SYMBOL_PC_RELATIVE for MIPS16 constant pool references.
6737         Only return TARGET_FORCE_TO_MEM if PC-relative loads are allowed.
6738         (mips_symbolic_constant_p): Handle SYMBOL_32_HIGH.
6739         (mips_blocks_for_constant_p): Only return false for
6740         TARGET_MIPS16_PCREL_LOADS.
6741         (mips_symbol_insns_1): Treat HIGHs as 2 extended instructions
6742         for MIPS16.  Handle SYMBOL_32_HIGH.
6743         (mips_const_insns): Allow HIGHs for MIPS16 too.
6744         (mips_unspec_address_offset): New function, split out from...
6745         (mips_unspec_address): ...here.
6746         (mips_output_move): Handle MIPS16 HIGH moves.  Use "li" to load
6747         16-bit symbolic constants.  Assert approropiate conditions for
6748         using the "la" and "dla" macros.
6749         (mips_handle_option): Handle -mcode-readable=.
6750         (override_options): Use %hi/%lo relocations for TARGET_MIPS16 too.
6751         Set up mips_lo_relocs[SYMBOL_32_HIGH].
6752         (mips_strip_unspec_address): New function, split out from...
6753         (print_operand_reloc): ...here.
6754         (print_operand): Pass constants through mips_strip_unspec_address.
6755         (print_operand_address): Likewise.
6756         (mips_output_mi_thunk): Remove guard of mips16_lay_out_constants.
6757         (mips_select_rtx_section): Remove MIPS16 handling.
6758         (mips16_gp_pseudo_reg): Check currently_expanding_to_rtl.
6759         (mips16_rewrite_pool_refs): Wrap the labels in an address UNSPEC.
6760         (mips16_lay_out_constants): Do nothing unless
6761         TARGET_MIPS16_PCREL_LOADS.
6762         (mips_avoid_hazards): Remove guard of mips16_lay_out_constants.
6763         * config/mips/mips.md: Split HIGHs for MIPS16.
6764         (tablejump): Use TARGET_MIPS16_SHORT_JUMP_TABLES.
6765
6766 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
6767
6768         * config/mips/mips-protos.h (mips_emit_move): Declare.
6769         * config/mips/mips.c (mips_emit_move): New function.
6770         (mips_force_temporary): Use mips_emit_move instead of emit_move_insn.
6771         (mips_legitimize_const_move): Likewise.
6772         (mips_legitimize_move): Likewise.
6773         (mips_split_64bit_move): Likewise.
6774         (mips_restore_gp): Likewise.
6775         (mips_load_call_address): Likewise.
6776         (mips_emit_fcc_reload): Likewise.
6777         (mips_set_return_address): Likewise.
6778         (mips_block_move_straight): Likewise.
6779         (mips_block_move_loop): Likewise.
6780         (mips_setup_incoming_varargs): Likewise.
6781         (mips_save_reg): Likewise.
6782         (mips_expand_prologue): Likewise.
6783         (mips_restore_reg): Likewise.
6784         (mips_expand_epilogue): Likewise.
6785         (mips_output_mi_thunk): Likewise.
6786         (build_mips16_call_stub): Likewise.
6787         (mips_builtin_branch_and_move): Likewise.
6788         * config/mips/mips.h (INITIALIZE_TRAMPOLINE): Likewise.
6789         * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
6790         (fixuns_truncdfdi2): Likewise.
6791         (fixuns_truncsfsi2): Likewise.
6792         (fixuns_truncsfdi2): Likewise.
6793         (loadgp_absolute): Likewise.
6794         (builtin_setjmp_setup): Likewise.
6795         (builtin_longjmp): Likewise.
6796         (untyped_call): Likewise.
6797
6798 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
6799
6800         * config/mips/mips-protos.h (mips_split_symbol): Add a mode and
6801         an "rtx *" argument.  Return a bool.
6802         * config/mips/mips.c (mips_split_symbol): Accept arbitrary source
6803         values and return true if they can be split.  Take the same kind of
6804         mode argument as mips_symbol_insns.  Add a "lo_sum_out" parameter
6805         and store the lo_sum there if nonnull.  Use the symbol type to
6806         determine whether a $gp or HIGH is needed.
6807         (mips_legitimize_address): Update call to mips_split_symbol and
6808         simplify accordingly.
6809         (mips_legitimize_const_move): Likewise.
6810         * config/mips/mips.md: In the combine define_split,
6811         check mips_split_symbol instead of splittable_symbolic_operand.
6812         Update use of mips_split_symbol in the generator code.
6813         * config/mips/predicates.md (splittable_symbolic_operand): Delete.
6814
6815 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
6816
6817         * config/mips/mips.c (mips_symbolic_address_p): Delete.
6818         (mips_symbol_insns_1): New function, split out from...
6819         (mips_symbol_insns): ...here.  Take a mode argument.  Treat loads
6820         and stores separately from load addresses.
6821         (mips_classify_address): Replace uses of mips_symbolic_address_p
6822         with uses of mips_symbol_insns.
6823         (mips_address_insns): Update calls to mips_symbol_insns.
6824         (mips_const_insns): Likewise.
6825         (mips_legitimize_address): Likewise.
6826
6827 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
6828
6829         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): New symbol type.
6830         * config/mips/mips.c (mips_classify_symbol): Skip TARGET_ABICALLS
6831         block for locally-binding symbols if TARGET_ABSOLUTE_ABICALLS.
6832         Return SYMBOL_FORCE_TO_MEM instead of SYMBOL_ABSOLUTE for
6833         non-call contexts if TARGET_MIPS16.
6834         (mips_symbolic_constant_p): Handle SYMBOL_FORCE_TO_MEM.
6835         (mips_symbolic_address_p): Likewise.  Remove special TARGET_MIPS16
6836         code for SYMBOL_ABSOLUTE.
6837         (mips_symbol_insns): Likewise.
6838
6839 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
6840
6841         * config/mips/mips-protos.h (mips_symbol_context): New enumeration.
6842         * config/mips/mips.c (mips_classify_symbol): Take a context argument.
6843         (mips_symbolic_constant_p): Likewise.  Update the call to
6844         mips_classify_symbol.
6845         (mips_classify_address): Update the calls to mips_symbolic_constant_p.
6846         (mips_const_insns): Likewise.  Update the call to mips_classify_symbol.
6847         (mips_legitimize_address): Update the call to mips_symbolic_constant_p.
6848         (print_operand_reloc): Add a context argument.  Update the call to
6849         mips_symbolic_constant_p.
6850         (print_operand): Update the calls to print_operand_reloc.
6851         (print_operand_address): Use print_operand_reloc rather than
6852         print_operand.
6853         (mips_rewrite_small_data_p): Add a context argument.  Update the call
6854         to mips_symbolic_constant_p.
6855         (mips_small_data_pattern_1): Make DATA the containing mem.
6856         Update the call to mips_rewrite_small_data_p.
6857         (mips_rewrite_small_data_1): Likewise.
6858         (mips_use_anchors_for_symbol_p): Update the call to
6859         mips_symbolic_constant_p.
6860         * config/mips/predicates.md (const_call_insn_operand): Likewise.
6861         (splittable_symbolic_operand): Likewise.
6862         (move_operand): Likewise.
6863         (absolute_symbolic_operand): Likewise.
6864         (got_disp_operand): Likewise.
6865         (got_page_ofst_operand): Likewise.
6866
6867 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
6868
6869         * config/mips/mips-protos.h (SYMBOL_GENERAL): Rename to...
6870         (SYMBOL_ABSOLUTE): ...this.
6871         (SYMBOL_SMALL_DATA): Rename to...
6872         (SYMBOL_GP_RELATIVE): ...this.
6873         (SYMBOL_CONSTANT_POOL): Rename to...
6874         (SYMBOL_PC_RELATIVE): ...this.
6875         * config/mips/mips.c (mips_classify_symbol, mips_symbolic_constant_p)
6876         (mips_symbolic_address_p, mips_symbol_insns, override_options)
6877         (mips_rewrite_small_data_p, mips_use_anchors_for_symbol_p): Update
6878         after above changes.
6879         * config/mips/predicates.md (const_call_insn_operand): Likewise.
6880         (general_symbolic_operand): Rename to...
6881         (absolute_symbolic_operand): ...this.
6882         * config/mips/mips.md: Update after above changes.
6883
6884 2007-08-08  Vladimir Yanovsky  <yanov@il.ibm.com>
6885             Revital Eres  <eres@il.ibm.com>
6886
6887         * ddg.c (print_ddg): Add dump information.
6888         * modulo-sched.c (print_node_sched_params): Add parameter and
6889         verbosity.
6890         (calculate_maxii): Remove function.
6891         (undo_generate_reg_moves): Likewise.
6892         (undo_permute_partial_schedule): Likewise.
6893         (kernel_number_of_cycles): Likewise.
6894         (MAXII_FACTOR): New definition to calculate the upper bound of II.
6895         (sms_schedule): Use it.  Remove profitability checks.
6896         (sms_schedule_by_order): Fix order of nodes within the cycle.
6897
6898 2007-08-08  Samuel Thibault  <samuel.thibault@ens-lyon.org>
6899
6900         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt0.o in profile mode, add
6901         -profile option, add pie support.
6902         (ENDFILE_SPEC): New spec.
6903         * config/gnu.h (LIB_SPEC): Add -profile option.
6904
6905 2007-08-08  Samuel Thibault  <samuel.thibault@ens-lyon.org>
6906
6907         * config/i386/gnu.h (CPP_SPEC): Add -pthread option.
6908         * config/gnu.h (LIB_SPEC): Likewise.
6909
6910 2007-08-07  Yaz Saito  <saito@google.com>
6911             Ian Lance Taylor  <iant@google.com>
6912
6913         * common.opt (finstrument-functions-exclude-function-list): New
6914         option.
6915         (finstrument-functions-exclude-file-list): New option.
6916         * opts.c (char_p): Define and DEF_VEC.
6917         (flag_instrument_functions_exclude_functions): New static
6918         variable.
6919         (flag_instrument_functions_exclude_files): New static variable.
6920         (add_instrument_functions_exclude_list): New static function.
6921         (flag_instrument_functions_exclude_p): New function.
6922         (common_handle_option): Handle new options.
6923         * flags.h (flag_instrument_functions_exclude_p): Declare.
6924         * gimplify.c (gimplify_function_tree): Call
6925         flag_instrument_functions_exclude_p.
6926         * doc/invoke.texi (Option Summary): Mention new options.
6927         (Code Gen Options): Document new options.
6928
6929 2007-08-07  Ian Lance Taylor  <iant@google.com>
6930
6931         PR rtl-optimization/32776
6932         * lower-subreg.c (resolve_clobber): Call resolve_reg_notes.
6933         (resolve_use): Likewise.
6934         (decompose_multiword_subregs): Remove "changed" local variable.
6935
6936 2007-08-07  Carlos O'Donell  <carlos@codesourcery.com>
6937
6938         * configure.ac: Define HAVE_GNU_AS if $gas_flag is yes.
6939         * configure: Regenerate.
6940         * config.in: Regenerate.
6941         * gcc.c [HAVE_GNU_AS]: Add "%{v} %{w:-W} %{I*} " to asm_options
6942         spec string.
6943
6944 2007-08-07  Ian Lance Taylor  <iant@google.com>
6945
6946         * lower-subreg.c (resolve_clobber): If the clobber has a LIBCALL
6947         note, just delete the insn.
6948
6949 2007-08-07  Andreas Schwab  <schwab@suse.de>
6950
6951         PR bootstrap/32973
6952         * gengtype-lex.l: Ignore backslash/newline pair while scanning a
6953         struct definition.
6954
6955 2007-08-07  Andreas Krebbel  <krebbel1@de.ibm.com>
6956
6957         * lower-subreg.c (resolve_subreg_use): Remove assertion.
6958         (find_decomposable_shift_zext, resolve_shift_zext): New functions.
6959         (decompose_multiword_subregs): Use the functions above to decompose
6960         multiword shifts and zero-extends.
6961
6962 2007-08-07  Rask Ingemann Lambertsen  <rask@sygehus.dk>
6963
6964         * doc/sourcebuild.texi (Test Directives): Fix "compile" and
6965         "assemble" descriptions which were swapped.
6966
6967 2007-08-06  Chao-ying Fu  <fu@mips.com>
6968
6969         * fixed-value.h: New file.
6970         * fixed-value.c: New file.
6971         * Makefile.in (OBJS-common): Add fixed-value.o.
6972         (fixed-value.o): New rule.
6973         (GTFILES): Add fixed-value.h.
6974         * double-int.c (double_int_scmp): We should use unsigned HOST_WIDE_INT
6975         to compare a.low and b.low.
6976         * gengtype.c (main): Handle FIXED_VALUE_TYPE type as scalar typedef.
6977
6978 2007-08-06  H.J. Lu  <hongjiu.lu@intel.com>
6979             Daniel Jacobowitz  <dan@codesourcery.com>
6980
6981         PR target/31868
6982         * config.gcc (x86_64-*-freebsd*): Add i386/t-crtstuff to
6983         tmake_file.
6984         (x86_64-*-netbsd*): Likewise.
6985         (x86_64-*-linux*): Likewise.
6986         (x86_64-*-kfreebsd*-gnu): Likewise.
6987         (x86_64-*-knetbsd*-gnu): Likewise.
6988         (i[34567]86-*-solaris2.1[0-9]*): Likewise.
6989
6990         * config/i386/t-linux64 (CRTSTUFF_T_CFLAGS): Removed.
6991
6992         * config/i386/t-crtstuff (CRTSTUFF_T_CFLAGS): Update comments.
6993         Add -fno-asynchronous-unwind-tables.
6994
6995         * config/t-freebsd (CRTSTUFF_T_CFLAGS_S): Add $(CRTSTUFF_T_CFLAGS).
6996         * config/t-libc-ok (CRTSTUFF_T_CFLAGS_S): Likewise.
6997         * config/t-lynx (CRTSTUFF_T_CFLAGS_S): Likewise.
6998         * config/t-netbsd (CRTSTUFF_T_CFLAGS_S): Likewise.
6999         * config/t-svr4 (CRTSTUFF_T_CFLAGS_S): Likewise.
7000
7001 2007-08-06  Steve Ellcey  <sje@cup.hp.com>
7002
7003         * config/ia64/ia64.c (ia64_c_mode_for_suffix): New.
7004         (TARGET_C_MODE_FOR_SUFFIX): New.
7005
7006 2007-08-06  Steve Ellcey  <sje@cup.hp.com>
7007
7008         * config/ia64/div.md (m2subrf4_cond): Change 'g' to 'G'.
7009
7010 2007-08-06  Steve Ellcey  <sje@cup.hp.com>
7011
7012         * config/ia64/ia64.h (MODES_TIEABLE_P): Fix typo.
7013
7014 2007-08-06  H.J. Lu  <hongjiu.lu@intel.com>
7015
7016         * config/i386/i386.md: Check TARGET_ macros and optimize_size
7017         before checking function returns in conditional expressions.
7018
7019 2007-08-06  Alfred Minarik  <a.minarik@aon.at>
7020
7021         PR pch/13676
7022         * doc/invoke.texi: Add .hp, .hxx, .hpp, .h, .HPP, .tcc as c++ header.
7023
7024 2008-08-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7025
7026         PR middle-end/32988
7027         * tree.c (build2_stat): Instead of checking for INTEGER_TYPE, check
7028         for INTEGRAL_TYPE_P.
7029
7030 2008-08-05  Paolo Bonzini  <bonzini@gnu.org>
7031
7032         * configure.ac: Remove --enable-checking=df from default settings.
7033         * tree-pass.h (TODO_df_verify): New.  Shift TODO_mark_first_instance.
7034         * df-core.c (df_finish_pass) [ENABLE_CHECKING]: Schedule verification
7035         if the parameter is true.
7036         (df_analyze) [!ENABLE_DF_CHECKING]: Also do verification if the
7037         DF_VERIFY_SCHEDULED flag is true.
7038         * df.h (enum df_changeable_flags): Add DF_VERIFY_SCHEDULED.
7039         (df_finish_pass): Adjust prototype.
7040         * passes.c (execute_todo): Schedule verification if TODO_df_verify is
7041         true.
7042
7043         * see.c (pass_see): Add TODO_df_verify.
7044         * loop-init.c (pass_rtl_move_loop_invariants): Add TODO_df_verify.
7045         * global.c (rest_of_handle_global_alloc): Schedule verification
7046         after the pass.
7047         * local-alloc.c (rest_of_handle_local_alloc): Schedule verification
7048         before the pass.
7049         * function.c (pass_thread_prologue_and_epilogue): Add TODO_df_verify.
7050         * gcse.c (rest_of_handle_gcse): Adjust call to df_finish_pass.
7051         * loop-iv.c (iv_analysis_done): Schedule verification after the pass.
7052
7053         * config/sh/sh.c (sh_output_mi_thunk): Remove dead code.
7054         * config/ia64/ia64.c (ia64_reorg): Adjust call to df_finish_pass.
7055         * config/bfin/bfin.c (bfin_reorg): Adjust call to df_finish_pass.
7056
7057 2007-08-05  Vladimir Yanovsky  <yanov@il.ibm.com>
7058             Revital Eres <eres@il.ibm.com>
7059
7060         * doc/invoke.texi (-fmodulo-sched-allow-regmoves): Document new
7061         flag.
7062         * ddg.c (create_ddg_dependence): Rename to...
7063         (create_ddg_dep_from_intra_loop_link): This.  Do not check
7064         for interloop edges.  Do not create anti dependence edge when
7065         a true dependence edge exists in the opposite direction and
7066         -fmodulo-sched-allow-regmoves is set.
7067         (build_intra_loop_deps): Call create_ddg_dep_from_intra_loop_link.
7068         (add_cross_iteration_register_deps): Create anti dependence edge
7069         when -fno-modulo-sched-allow-regmoves is set.
7070         * common.opt (-fmodulo-sched-allow-regmoves): New flag.
7071
7072 2007-08-04  Richard Sandiford  <richard@codesourcery.com>
7073
7074         * config/arm/arm.md (movsi): Add braces.
7075
7076 2007-08-04  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7077
7078         PR middle-end/32780
7079         * fold-const.c (fold_binary <case MINUS_EXPR>): Fix the type of
7080         operands for the folding of "A - (A & B)" into "~B & A"; cast them
7081         to type.
7082
7083 2007-08-03  Zdenek Dvorak  <ook@ucw.cz>
7084
7085         * tree-ssa-threadupdate.c (thread_through_all_blocks): Use loops'
7086         state accessor functions.
7087         * cfgloopmanip.c (remove_path, create_preheaders,
7088         force_single_succ_latches, fix_loop_structure): Ditto.
7089         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
7090         tree_duplicate_loop_to_header_edge): Ditto.
7091         * cfgloopanal.c (mark_irreducible_loops): Ditto.
7092         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize):
7093         Ditto.
7094         * tree-cfgcleanup.c (cleanup_tree_cfg_noloop, repair_loop_structures,
7095         cleanup_tree_cfg): Ditto.
7096         * tree-cfg.c (tree_merge_blocks): Ditto.
7097         * cfgloop.c (rescan_loop_exit, record_loop_exits,
7098         release_recorded_exits, get_loop_exit_edges, verify_loop_structure,
7099         loop_preheader_edge, single_exit): Ditto.
7100         (flow_loops_find): Do not clear loops->state.
7101         * cfgloop.h (loops_state_satisfies_p, loops_state_set,
7102         loops_state_clear): New functions.
7103
7104 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7105
7106         PR middle-end/32399
7107         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
7108         when adding to the base and convert ELT to sizetype instead of type.
7109
7110 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7111
7112         PR middle-end/32304
7113         * ipa-reference.c (has_proper_scope_for_analysis): Return false when
7114         the decl's type has TYPE_NEEDS_CONSTRUCTING set.
7115
7116 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7117
7118         PR middle-end/32935
7119         * fold-convert.c (fold_negate_expr <NOP_EXPR>): Convert back to the
7120          correct type the negate expression.
7121
7122 2007-08-03  Jan Hubicka  <jh@suse.cz>
7123
7124         * i386.c (setup_incoming_varargs_64): Tolerate 64bit preferred
7125         stack boundary.
7126
7127 2007-08-03  David Edelsohn  <edelsohn@gnu.org>
7128
7129         * config/rs6000/rs6000.c (struct processor_cost): Change
7130         l1_cache_lines to l1_cache_size.  Add l2_cache_size.
7131         (*_cost): Convert l1 cache information to kilobytes.  Add l2 cache
7132         information.
7133         (rios1_costs, rios2_cost): Correct cache line size.
7134         (rs6000_override_options): Set l2-cache-size parameter.
7135
7136 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7137             Diego Novillo  <dnovillo@google.com>
7138
7139         PR 31521
7140         * tree-vrp.c (simplify_div_or_mod_using_ranges): Also simplify
7141         if the range includes 0.
7142
7143 2007-08-03  Ben Elliston  <bje@au.ibm.com>
7144
7145         * config/spu/spu.md (dftsv, dftsv_celledp): Attach the appropriate
7146         mode to unspec expressions to silence a warning from the generator
7147         programs.
7148         
7149 2007-08-02  Steve Ellcey  <sje@cup.hp.com>
7150
7151         * config/ia64/constraints.md ("U"): Make constraint vector only.
7152
7153 2007-08-02  Nathan Froyd  <froydnj@codesourcery.com>
7154
7155         PR middle-end/25446
7156         * c-objc-common.c (c_cannot_inline_tree_fn): Check for an
7157         always_inline attribute on the function decl.
7158
7159 2007-08-02  Nathan Froyd  <froydnj@codesourcery.com>
7160
7161         PR middle-end/25445
7162         * varasm.c (default_binds_local_p_1): Consult flag_whole_program
7163         if we are compiling with -fPIC.
7164
7165 2007-08-02  Sandra Loosemore  <sandra@codesourcery.com>
7166             Nigel Stephens  <nigel@mips.com>
7167
7168         * longlong.h [__mips__] (count_leading_zeros, COUNT_LEADING_ZEROS_0):
7169         Define for MIPS32 and MIPS64.
7170
7171 2007-08-02  Nick Clifton  <nickc@redhat.com>
7172
7173         * config/host-hpux.c: Change copyright header to refer to version
7174         3 of the GNU General Public License and to point readers at the
7175         COPYING3 file and the FSF's license web page.
7176         * config/alpha/predicates.md, config/alpha/vms-ld.c,
7177         config/alpha/linux.h, config/alpha/alpha.opt,
7178         config/alpha/linux-elf.h, config/alpha/vms.h, config/alpha/elf.h,
7179         config/alpha/vms-unwind.h, config/alpha/ev4.md,
7180         config/alpha/ev6.md, config/alpha/alpha.c, config/alpha/vms-cc.c,
7181         config/alpha/alpha.h, config/alpha/sync.md,
7182         config/alpha/openbsd.h, config/alpha/alpha.md,
7183         config/alpha/alpha-modes.def, config/alpha/ev5.md,
7184         config/alpha/alpha-protos.h, config/alpha/freebsd.h,
7185         config/alpha/osf5.h, config/alpha/netbsd.h, config/alpha/vms64.h,
7186         config/alpha/constraints.md, config/alpha/osf.h,
7187         config/alpha/xm-vms.h, config/alpha/unicosmk.h, config/linux.h,
7188         config/frv/predicates.md, config/frv/frv.h, config/frv/linux.h,
7189         config/frv/frv.md, config/frv/frv.opt, config/frv/frv-modes.def,
7190         config/frv/frv-asm.h, config/frv/frv-protos.h,
7191         config/frv/frv-abi.h, config/frv/frv.c, config/s390/tpf.h,
7192         config/s390/s390.c, config/s390/predicates.md, config/s390/s390.h,
7193         config/s390/linux.h, config/s390/tpf.md, config/s390/tpf.opt,
7194         config/s390/2064.md, config/s390/2084.md, config/s390/s390.md,
7195         config/s390/s390.opt, config/s390/s390-modes.def,
7196         config/s390/fixdfdi.h, config/s390/constraints.md,
7197         config/s390/s390-protos.h, config/s390/s390x.h, config/elfos.h,
7198         config/dbxcoff.h, config/m32c/predicates.md, config/m32c/cond.md,
7199         config/m32c/m32c.c, config/m32c/minmax.md, config/m32c/blkmov.md,
7200         config/m32c/m32c-pragma.c, config/m32c/m32c.h,
7201         config/m32c/prologue.md, config/m32c/m32c.abi,
7202         config/m32c/muldiv.md, config/m32c/bitops.md, config/m32c/mov.md,
7203         config/m32c/addsub.md, config/m32c/m32c.md, config/m32c/m32c.opt,
7204         config/m32c/t-m32c, config/m32c/m32c-modes.def,
7205         config/m32c/jump.md, config/m32c/shift.md,
7206         config/m32c/m32c-protos.h, config/libgloss.h,
7207         config/spu/spu-protos.h, config/spu/predicates.md,
7208         config/spu/spu-builtins.h, config/spu/spu.c,
7209         config/spu/spu-builtins.def, config/spu/spu-builtins.md,
7210         config/spu/spu.h, config/spu/spu-elf.h, config/spu/constraints.md,
7211         config/spu/spu.md, config/spu/spu-c.c, config/spu/spu.opt,
7212         config/spu/spu-modes.def, config/spu/t-spu-elf, config/interix.h,
7213         config/sparc/hypersparc.md, config/sparc/predicates.md,
7214         config/sparc/linux.h, config/sparc/sp64-elf.h,
7215         config/sparc/supersparc.md, config/sparc/cypress.md,
7216         config/sparc/openbsd1-64.h, config/sparc/openbsd64.h,
7217         config/sparc/niagara.md, config/sparc/sparc.md,
7218         config/sparc/long-double-switch.opt, config/sparc/ultra3.md,
7219         config/sparc/sparc.opt, config/sparc/sync.md,
7220         config/sparc/sp-elf.h, config/sparc/sparc-protos.h,
7221         config/sparc/ultra1_2.md, config/sparc/biarch64.h,
7222         config/sparc/sparc.c, config/sparc/little-endian.opt,
7223         config/sparc/sysv4-only.h, config/sparc/sparc.h,
7224         config/sparc/linux64.h, config/sparc/freebsd.h,
7225         config/sparc/sol2.h, config/sparc/rtemself.h,
7226         config/sparc/netbsd-elf.h, config/sparc/vxworks.h,
7227         config/sparc/sparc-modes.def, config/sparc/sparclet.md,
7228         config/sparc/sysv4.h, config/vx-common.h, config/netbsd-aout.h,
7229         config/flat.h, config/m32r/m32r.md, config/m32r/predicates.md,
7230         config/m32r/little.h, config/m32r/m32r.c, config/m32r/m32r.opt,
7231         config/m32r/linux.h, config/m32r/constraints.md,
7232         config/m32r/m32r.h, config/m32r/m32r-protos.h, config/vxworks.opt,
7233         config/darwin-c.c, config/darwin.opt, config/i386/i386.h,
7234         config/i386/cygming.h, config/i386/linux.h, config/i386/cygwin.h,
7235         config/i386/i386.md, config/i386/netware-crt0.c,
7236         config/i386/sco5.h, config/i386/mmx.md, config/i386/vx-common.h,
7237         config/i386/kaos-i386.h, config/i386/winnt-stubs.c,
7238         config/i386/netbsd64.h, config/i386/djgpp.h, config/i386/gas.h,
7239         config/i386/sol2.h, config/i386/constraints.md,
7240         config/i386/netware-libgcc.c, config/i386/sysv5.h,
7241         config/i386/predicates.md, config/i386/geode.md,
7242         config/i386/x86-64.h, config/i386/kfreebsd-gnu.h,
7243         config/i386/freebsd64.h, config/i386/vxworksae.h,
7244         config/i386/pentium.md, config/i386/lynx.h, config/i386/i386elf.h,
7245         config/i386/rtemself.h, config/i386/netbsd-elf.h,
7246         config/i386/ppro.md, config/i386/k6.md, config/i386/netware.c,
7247         config/i386/netware.h, config/i386/i386-modes.def,
7248         config/i386/sysv4-cpp.h, config/i386/i386-interix.h,
7249         config/i386/cygwin1.c, config/i386/djgpp.opt, config/i386/uwin.h,
7250         config/i386/unix.h, config/i386/ptx4-i.h, config/i386/xm-djgpp.h,
7251         config/i386/att.h, config/i386/winnt.c, config/i386/beos-elf.h,
7252         config/i386/sol2-10.h, config/i386/darwin64.h, config/i386/sse.md,
7253         config/i386/i386.opt, config/i386/bsd.h, config/i386/cygming.opt,
7254         config/i386/xm-mingw32.h, config/i386/linux64.h,
7255         config/i386/openbsdelf.h, config/i386/xm-cygwin.h,
7256         config/i386/sco5.opt, config/i386/darwin.h, config/i386/mingw32.h,
7257         config/i386/winnt-cxx.c, config/i386/i386-interix3.h,
7258         config/i386/nwld.c, config/i386/nwld.h, config/i386/host-cygwin.c,
7259         config/i386/cygwin2.c, config/i386/i386-protos.h,
7260         config/i386/sync.md, config/i386/openbsd.h,
7261         config/i386/host-mingw32.c, config/i386/i386-aout.h,
7262         config/i386/nto.h, config/i386/biarch64.h,
7263         config/i386/i386-coff.h, config/i386/freebsd.h,
7264         config/i386/driver-i386.c, config/i386/knetbsd-gnu.h,
7265         config/i386/host-i386-darwin.c, config/i386/vxworks.h,
7266         config/i386/crtdll.h, config/i386/i386.c, config/i386/sysv4.h,
7267         config/darwin-protos.h, config/linux.opt, config/sol2.c,
7268         config/sol2.h, config/sh/symbian.c, config/sh/sh-protos.h,
7269         config/sh/linux.h, config/sh/elf.h, config/sh/superh.h,
7270         config/sh/sh4.md, config/sh/coff.h, config/sh/newlib.h,
7271         config/sh/embed-elf.h, config/sh/symbian-pre.h, config/sh/rtems.h,
7272         config/sh/kaos-sh.h, config/sh/sh4a.md, config/sh/constraints.md,
7273         config/sh/sh64.h, config/sh/sh.opt, config/sh/symbian-post.h,
7274         config/sh/sh-c.c, config/sh/predicates.md, config/sh/sh.c,
7275         config/sh/sh.h, config/sh/shmedia.md, config/sh/sh-modes.def,
7276         config/sh/little.h, config/sh/sh1.md, config/sh/sh4-300.md,
7277         config/sh/superh64.h, config/sh/rtemself.h,
7278         config/sh/netbsd-elf.h, config/sh/sh.md, config/sh/vxworks.h,
7279         config/usegas.h, config/svr3.h, config/pdp11/pdp11-protos.h,
7280         config/pdp11/2bsd.h, config/pdp11/pdp11.md, config/pdp11/pdp11.c,
7281         config/pdp11/pdp11.opt, config/pdp11/pdp11-modes.def,
7282         config/pdp11/pdp11.h, config/avr/rtems.h, config/avr/avr-protos.h,
7283         config/avr/predicates.md, config/avr/constraints.md,
7284         config/avr/avr.md, config/avr/avr.c, config/avr/avr.opt,
7285         config/avr/avr.h, config/sol2-protos.h, config/dbxelf.h,
7286         config/lynx.opt, config/crx/crx.h, config/crx/crx-protos.h,
7287         config/crx/crx.md, config/crx/crx.c, config/crx/crx.opt,
7288         config/c4x/c4x-c.c, config/c4x/c4x.c, config/c4x/c4x.opt,
7289         config/c4x/c4x-modes.def, config/c4x/rtems.h,
7290         config/c4x/predicates.md, config/c4x/c4x.h,
7291         config/c4x/c4x-protos.h, config/c4x/c4x.md, config/kfreebsd-gnu.h,
7292         config/xtensa/predicates.md, config/xtensa/xtensa.c,
7293         config/xtensa/linux.h, config/xtensa/xtensa.h,
7294         config/xtensa/elf.h, config/xtensa/xtensa.md,
7295         config/xtensa/xtensa.opt, config/xtensa/constraints.md,
7296         config/xtensa/xtensa-protos.h, config/dbx.h,
7297         config/stormy16/predicates.md, config/stormy16/stormy16.md,
7298         config/stormy16/stormy16.c, config/stormy16/stormy16.opt,
7299         config/stormy16/stormy16.h, config/stormy16/stormy16-protos.h,
7300         config/host-solaris.c, config/fr30/fr30.h,
7301         config/fr30/predicates.md, config/fr30/fr30-protos.h,
7302         config/fr30/fr30.md, config/fr30/fr30.c, config/fr30/fr30.opt,
7303         config/vxworksae.h, config/sol2-c.c, config/lynx.h,
7304         config/m68hc11/m68hc11-protos.h, config/m68hc11/predicates.md,
7305         config/m68hc11/m68hc11.md, config/m68hc11/m68hc11.c,
7306         config/m68hc11/m68hc11.opt, config/m68hc11/m68hc11.h,
7307         config/m68hc11/m68hc12.h, config/openbsd-oldgas.h,
7308         config/host-linux.c, config/interix3.h, config/cris/cris.c,
7309         config/cris/predicates.md, config/cris/linux.h,
7310         config/cris/cris.h, config/cris/aout.h, config/cris/cris.md,
7311         config/cris/linux.opt, config/cris/cris.opt, config/cris/elf.opt,
7312         config/cris/aout.opt, config/cris/cris-protos.h,
7313         config/vxworks-dummy.h, config/netbsd.h, config/netbsd-elf.h,
7314         config/iq2000/iq2000.h, config/iq2000/predicates.md,
7315         config/iq2000/iq2000-protos.h, config/iq2000/iq2000.md,
7316         config/iq2000/iq2000.c, config/iq2000/iq2000.opt,
7317         config/host-darwin.c, config/mt/mt.md, config/mt/mt.c,
7318         config/mt/mt.opt, config/mt/t-mt, config/mt/mt.h,
7319         config/mt/mt-protos.h, config/svr4.h, config/host-darwin.h,
7320         config/chorus.h, config/mn10300/mn10300.c,
7321         config/mn10300/mn10300.opt, config/mn10300/predicates.md,
7322         config/mn10300/mn10300.h, config/mn10300/linux.h,
7323         config/mn10300/constraints.md, config/mn10300/mn10300-protos.h,
7324         config/mn10300/mn10300.md, config/ia64/predicates.md,
7325         config/ia64/itanium1.md, config/ia64/unwind-ia64.h,
7326         config/ia64/ia64-c.c, config/ia64/sync.md, config/ia64/ia64.c,
7327         config/ia64/itanium2.md, config/ia64/ia64.h, config/ia64/vect.md,
7328         config/ia64/freebsd.h, config/ia64/ia64.md,
7329         config/ia64/ia64-modes.def, config/ia64/constraints.md,
7330         config/ia64/hpux.h, config/ia64/ia64-protos.h, config/windiss.h,
7331         config/gofast.h, config/rtems.h, config/sol2-10.h,
7332         config/m68k/predicates.md, config/m68k/m68k.md,
7333         config/m68k/linux.h, config/m68k/m68k-modes.def,
7334         config/m68k/print-sysroot-suffix.sh, config/m68k/m68k-protos.h,
7335         config/m68k/coff.h, config/m68k/m68k-none.h, config/m68k/ieee.opt,
7336         config/m68k/openbsd.h, config/m68k/m68k-aout.h,
7337         config/m68k/m68k.opt, config/m68k/m68020-elf.h,
7338         config/m68k/m68kelf.h, config/m68k/m68k-devices.def,
7339         config/m68k/uclinux-oldabi.h, config/m68k/m68k.c,
7340         config/m68k/constraints.md, config/m68k/rtemself.h,
7341         config/m68k/netbsd-elf.h, config/m68k/m68k.h,
7342         config/m68k/uclinux.h, config/rs6000/power4.md,
7343         config/rs6000/host-darwin.c, config/rs6000/6xx.md,
7344         config/rs6000/linux.h, config/rs6000/eabi.h,
7345         config/rs6000/aix41.opt, config/rs6000/xcoff.h,
7346         config/rs6000/secureplt.h, config/rs6000/linuxspe.h,
7347         config/rs6000/eabialtivec.h, config/rs6000/8540.md,
7348         config/rs6000/darwin8.h, config/rs6000/kaos-ppc.h,
7349         config/rs6000/windiss.h, config/rs6000/603.md,
7350         config/rs6000/aix41.h, config/rs6000/cell.md,
7351         config/rs6000/mpc.md, config/rs6000/aix43.h, config/rs6000/beos.h,
7352         config/rs6000/gnu.h, config/rs6000/rtems.h, config/rs6000/aix.opt,
7353         config/rs6000/darwin.md, config/rs6000/darwin64.h,
7354         config/rs6000/default64.h, config/rs6000/7xx.md,
7355         config/rs6000/darwin.opt, config/rs6000/spe.md,
7356         config/rs6000/rs6000.opt, config/rs6000/rs6000-c.c,
7357         config/rs6000/rios2.md, config/rs6000/linuxaltivec.h,
7358         config/rs6000/7450.md, config/rs6000/linux64.h,
7359         config/rs6000/constraints.md, config/rs6000/440.md,
7360         config/rs6000/darwin.h, config/rs6000/host-ppc64-darwin.c,
7361         config/rs6000/rs6000.c, config/rs6000/aix52.h,
7362         config/rs6000/rs6000.h, config/rs6000/power6.md,
7363         config/rs6000/predicates.md, config/rs6000/altivec.md,
7364         config/rs6000/aix64.opt, config/rs6000/rios1.md,
7365         config/rs6000/rs6000-modes.def, config/rs6000/rs64.md,
7366         config/rs6000/eabisim.h, config/rs6000/sysv4le.h,
7367         config/rs6000/darwin7.h, config/rs6000/dfp.md,
7368         config/rs6000/linux64.opt, config/rs6000/sync.md,
7369         config/rs6000/vxworksae.h, config/rs6000/power5.md,
7370         config/rs6000/lynx.h, config/rs6000/biarch64.h,
7371         config/rs6000/rs6000.md, config/rs6000/sysv4.opt,
7372         config/rs6000/eabispe.h, config/rs6000/e500.h,
7373         config/rs6000/freebsd.h, config/rs6000/rs6000-protos.h,
7374         config/rs6000/netbsd.h, config/rs6000/e500-double.h,
7375         config/rs6000/aix.h, config/rs6000/vxworks.h,
7376         config/rs6000/40x.md, config/rs6000/aix51.h,
7377         config/rs6000/sysv4.h, config/arc/arc-protos.h, config/arc/arc.md,
7378         config/arc/arc.c, config/arc/arc.opt, config/arc/arc-modes.def,
7379         config/arc/arc.h, config/mcore/mcore-elf.h,
7380         config/mcore/mcore-protos.h, config/mcore/predicates.md,
7381         config/mcore/mcore.md, config/mcore/mcore.c,
7382         config/mcore/mcore.opt, config/mcore/mcore.h,
7383         config/mcore/mcore-pe.h, config/darwin.c, config/freebsd-nthr.h,
7384         config/score/predicates.md, config/score/score-version.h,
7385         config/score/score-protos.h, config/score/misc.md,
7386         config/score/elf.h, config/score/score.c, config/score/mac.md,
7387         config/score/score7.md, config/score/score.h,
7388         config/score/score-conv.h, config/score/score-mdaux.c,
7389         config/score/score.md, config/score/score.opt,
7390         config/score/score-modes.def, config/score/score-mdaux.h,
7391         config/score/mul-div.S, config/arm/uclinux-elf.h,
7392         config/arm/semi.h, config/arm/ecos-elf.h, config/arm/arm1020e.md,
7393         config/arm/symbian.h, config/arm/linux-elf.h,
7394         config/arm/arm1026ejs.md, config/arm/arm1136jfs.md,
7395         config/arm/elf.h, config/arm/aout.h, config/arm/arm.c,
7396         config/arm/thumb2.md, config/arm/vec-common.md, config/arm/coff.h,
7397         config/arm/strongarm-pe.h, config/arm/arm.h,
7398         config/arm/cortex-a8-neon.md, config/arm/semiaof.h,
7399         config/arm/cortex-a8.md, config/arm/uclinux-eabi.h,
7400         config/arm/arm-modes.def, config/arm/linux-eabi.h,
7401         config/arm/rtems-elf.h, config/arm/neon-schedgen.ml,
7402         config/arm/arm-cores.def, config/arm/arm-protos.h,
7403         config/arm/vfp.md, config/arm/aof.h, config/arm/linux-gas.h,
7404         config/arm/wince-pe.h, config/arm/neon.md,
7405         config/arm/constraints.md, config/arm/neon.ml,
7406         config/arm/xscale-elf.h, config/arm/strongarm-coff.h,
7407         config/arm/arm.opt, config/arm/arm926ejs.md,
7408         config/arm/predicates.md, config/arm/iwmmxt.md,
7409         config/arm/arm_neon.h, config/arm/unknown-elf.h,
7410         config/arm/kaos-arm.h, config/arm/bpabi.h, config/arm/pe.opt,
7411         config/arm/neon-testgen.ml, config/arm/arm.md,
7412         config/arm/xscale-coff.h, config/arm/pe.c,
7413         config/arm/arm-generic.md, config/arm/pe.h,
7414         config/arm/kaos-strongarm.h, config/arm/freebsd.h,
7415         config/arm/neon-docgen.ml, config/arm/netbsd.h, config/arm/fpa.md,
7416         config/arm/strongarm-elf.h, config/arm/cirrus.md,
7417         config/arm/netbsd-elf.h, config/arm/vxworks.h,
7418         config/arm/neon-gen.ml, config/kaos.h, config/darwin-driver.c,
7419         config/pa/predicates.md, config/pa/pa64-hpux.h,
7420         config/pa/pa-hpux.opt, config/pa/som.h, config/pa/pa-hpux1010.opt,
7421         config/pa/pa-hpux1111.opt, config/pa/pa-pro-end.h,
7422         config/pa/elf.h, config/pa/fptr.c, config/pa/pa64-linux.h,
7423         config/pa/pa.md, config/pa/pa.opt, config/pa/pa-hpux.h,
7424         config/pa/pa-hpux10.h, config/pa/pa-hpux11.h,
7425         config/pa/pa-hpux1010.h, config/pa/pa-protos.h,
7426         config/pa/pa-osf.h, config/pa/pa-hpux1111.h, config/pa/pa-64.h,
7427         config/pa/milli64.S, config/pa/pa.c, config/pa/pa-linux.h,
7428         config/pa/pa.h, config/pa/pa32-linux.h, config/pa/pa64-hpux.opt,
7429         config/pa/pa64-regs.h, config/pa/pa-modes.def,
7430         config/pa/constraints.md, config/darwin9.h, config/mips/4100.md,
7431         config/mips/linux.h, config/mips/elfoabi.h, config/mips/elf.h,
7432         config/mips/sdb.h, config/mips/windiss.h, config/mips/rtems.h,
7433         config/mips/3000.md, config/mips/iris5.h, config/mips/5000.md,
7434         config/mips/7000.md, config/mips/9000.md, config/mips/4600.md,
7435         config/mips/linux64.h, config/mips/elforion.h,
7436         config/mips/constraints.md, config/mips/generic.md,
7437         config/mips/predicates.md, config/mips/4300.md,
7438         config/mips/mips-ps-3d.md, config/mips/iris.h, config/mips/24k.md,
7439         config/mips/mips.md, config/mips/mips.opt, config/mips/4k.md,
7440         config/mips/5k.md, config/mips/vr4120-div.S,
7441         config/mips/openbsd.h, config/mips/iris6.h, config/mips/4000.md,
7442         config/mips/mips-protos.h, config/mips/6000.md,
7443         config/mips/mips.c, config/mips/mips.h, config/mips/r3900.h,
7444         config/mips/74k.md, config/mips/netbsd.h, config/mips/vxworks.h,
7445         config/mips/mips-modes.def, config/mips/vr.h,
7446         config/soft-fp/t-softfp, config/openbsd.h, config/ptx4.h,
7447         config/freebsd-spec.h, config/vax/vax.c, config/vax/openbsd.h,
7448         config/vax/vax.h, config/vax/elf.h, config/vax/vax.md,
7449         config/vax/bsd.h, config/vax/vax.opt, config/vax/vax-modes.def,
7450         config/vax/openbsd1.h, config/vax/netbsd.h,
7451         config/vax/vax-protos.h, config/vax/netbsd-elf.h,
7452         config/vax/vaxv.h, config/vax/ultrix.h, config/freebsd.h,
7453         config/h8300/rtems.h, config/h8300/predicates.md,
7454         config/h8300/h8300.c, config/h8300/h8300.h, config/h8300/elf.h,
7455         config/h8300/h8300.md, config/h8300/h8300.opt,
7456         config/h8300/coff.h, config/h8300/h8300-protos.h,
7457         config/v850/v850.md, config/v850/predicates.md,
7458         config/v850/v850-c.c, config/v850/v850.c, config/v850/v850.opt,
7459         config/v850/v850.h, config/v850/v850-protos.h, config/vxworks.c,
7460         config/knetbsd-gnu.h, config/sol2-6.h, config/vxworks.h,
7461         config/mmix/mmix.h, config/mmix/predicates.md,
7462         config/mmix/mmix-protos.h, config/mmix/mmix.md,
7463         config/mmix/mmix.c, config/mmix/mmix.opt,
7464         config/mmix/mmix-modes.def, config/bfin/bfin.opt,
7465         config/bfin/rtems.h, config/bfin/bfin-modes.def,
7466         config/bfin/predicates.md, config/bfin/bfin-protos.h,
7467         config/bfin/bfin.c, config/bfin/bfin.h, config/bfin/bfin.md:
7468         Likewise.
7469
7470 2007-08-02  Richard Sandiford  <richard@codesourcery.com>
7471
7472         * emit-rtl.c (reset_used_decls): Rename to...
7473         (set_used_decls): ...this.  Set the used flag rather than clearing it.
7474         (unshare_all_rtl_again): Update accordingly.  Set flags on argument
7475         DECL_RTLs rather than resetting them.
7476
7477 2007-08-02  Andreas Krebbel  <krebbel1@de.ibm.com>
7478
7479         * config/s390/s390.md ("*xordi3_cconly"): Change xr to xg.
7480
7481 2007-08-01  Sandra Loosemore  <sandra@codesourcery.com>
7482
7483         * reload.c (find_reloads_address_part): Pass correct MEMREFLOC
7484         argument to find_reloads_address.
7485
7486 2007-08-01  Daniel Jacobowitz  <dan@codesourcery.com>
7487
7488         PR tree-optimization/32919
7489         * tree-ssa-sccvn.c (visit_phi): Do not visit abnormal PHIs.
7490         * tree-ssa-coalesce.c (ssa_conflicts_dump): New.
7491         (coalesce_ssa_name): Call it.
7492
7493 2007-08-01  Sandra Loosemore  <sandra@codesourcery.com>
7494             David Ung  <davidu@mips.com>
7495
7496         * config/mips/mips16.S (__mips16_unordsf2, __mips16_floatunsisf): New.
7497         (__mips16_unorddf2, __mips16_floatunsidf): New.
7498         * config/mips/mips.c (mips_init_libfuncs): Add optab entries for
7499         above functions.
7500         * config/mips/t-libgcc-mips16 (LIB1ASMFUNCS): Add new functions.
7501
7502 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
7503
7504         * tree-pretty-print.c (dump_generic_node): Dump OMP_SECTIONS_SWITCH.
7505         Display new operands of OMP_SECTIONS and OMP_CONTINUE.
7506         * tree.h (OMP_SECTIONS_CONTROL): New macro.
7507         (OMP_DIRECTIVE_P): Add OMP_SECTIONS_SWITCH.
7508         * omp-low.c (get_ws_args_for, determine_parallel_type,
7509         expand_omp_for_generic, expand_omp_for_static_nochunk,
7510         expand_omp_for_static_chunk, expand_omp_for, expand_omp_sections):
7511         Work with more precise CFG.
7512         (build_omp_regions_1): Handle OMP_SECTIONS_SWITCH.
7513         (lower_omp_sections): Emit OMP_SECTIONS_SWITCH.  Add arguments to
7514         OMP_CONTINUE.
7515         * tree-gimple.c (is_gimple_stmt): Handle OMP_SECTIONS_SWITCH.
7516         * gimple-low.c (lower_stmt): Ditto.
7517         * tree-inline.c (estimate_num_insns_1): Ditto.
7518         * tree.def (OMP_SECTIONS, OMP_CONTINUE): Added new operands.
7519         (OMP_SECTIONS_SWITCH): New.
7520         * tree-cfgcleanup.c (cleanup_omp_return): New.
7521         (cleanup_tree_cfg_bb): Call cleanup_omp_return.
7522         * tree-cfg.c (make_edges): Create back edges for OMP_CONTINUE
7523         and exit edge for OMP_FOR.  Handle OMP_SECTIONS_SWITCH.
7524         (tree_redirect_edge_and_branch): Handle omp constructs.
7525
7526         * fortran/trans-openmp.c (gfc_trans_omp_sections): Build OMP_SECTIONS
7527         with three arguments.
7528
7529 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
7530
7531         * tree-cfg.c (tree_merge_blocks): Preserve loop exit phi nodes only
7532         in loop closed ssa.
7533
7534 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
7535
7536         * tree-ssa-threadupdate.c (thread_through_all_blocks): Record that
7537         the loop structures may need fixing.
7538         * tree-cfgcleanup.c (cleanup_tree_cfg_noloop, repair_loop_structures):
7539         New functions.
7540         (cleanup_tree_cfg_loop): Removed.
7541         (cleanup_tree_cfg): If loops need fixing, call repair_loop_structures.
7542         * tree-predcom.c (tree_predictive_commoning): Return TODO_cleanup_cfg
7543         instead of running cleanup_tree_cfg_loop.
7544         * cfgloop.h (LOOPS_NEED_FIXUP): New constant.
7545         * tree-flow.h (cleanup_tree_cfg_loop): Declaration removed.
7546         (tree_predictive_commoning): Declaration changed.
7547         * passes.c (execute_function_todo): Do not use cleanup_tree_cfg_loop.
7548
7549 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
7550
7551         * doc/invoke.texi (l1-cache-size): Update documentation.
7552         (l2-cache-size): Document.
7553         * params.h (L2_CACHE_SIZE): New macro.
7554         * tree-ssa-loop-prefetch.c (L1_CACHE_SIZE_BYTES): Reflect
7555         that L1_CACHE_SIZE is in kB now.
7556         (L2_CACHE_SIZE_BYTES): New macro.
7557         (tree_ssa_prefetch_arrays): Show size in kB.
7558         * config/i386/i386.h (struct processor_costs): Add l1_cache_size
7559         and l2_cache_size fields.
7560         * config/i386/driver-i386.c (describe_cache): Detect cache size
7561         in kB.
7562         * config/i386/i386.c (size_cost, i386_cost, i486_cost,pentium_cost,
7563         pentiumpro_cost, geode_cost, k6_cost, athlon_cost, k8_cost,
7564         amdfam10_cost, pentium4_cost, nocona_cost, core2_cost,
7565         generic64_cost, generic32_cost): Add l1_cache_size and l2_cache_size.
7566         (override_options): Set l1-cache-size and l2-cache-size to default
7567         values if not specified otherwise.
7568         * params.def (PARAM_L1_CACHE_SIZE): Change to set in kB.
7569         (PARAM_L2_CACHE_SIZE): New.
7570
7571 2007-08-01  Nigel Stephens  <nigel@mips.com>
7572             David Ung  <davidu@mips.com>
7573             Thiemo Seufer  <ths@mips.com>
7574             Chris Dearman  <chris@mips.com>
7575             Richard Sandiford  <richard@codesourcery.com>
7576
7577         * config.gcc (mips*-sde-elf*): New stanza.
7578         (mipsisa32-*-elf*, mipsisa32el-*-elf*, mipsisa32r2-*-elf*)
7579         (mipsisa32r2el-*-elf*, mipsisa64-*-elf*, mipsisa64el-*-elf*)
7580         (mipsisa64sb1-*-elf*, mipsisa64sb1el-*-elf*, mips-*-elf*)
7581         (mipsel-*-elf*, mips64-*-elf*, mips64el-*-elf*, mips64orion-*-elf*)
7582         (mips64orionel-*-elf*, mips*-*-rtems*, mips-wrs-windiss)
7583         (mipstx39-*-elf*, mipstx39el-*-elf*): Add mips/t-libgcc-mips16
7584         to tmake_file.
7585         * config/mips/sde.h: New file.
7586         * config/mips/t-libgcc-mips16: Likewise.
7587         * config/mips/t-sde: Likewise.
7588         * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove settings
7589         of _ABIN32, _ABI64, _ABIO32, _MIPS_SIM, _MIPS_SZLONG, _MIPS_SZPTR,
7590         _MIPS_FPSET and _MIPS_SZINT.
7591         * config/mips/iris.h (TARGET_OS_CPP_BUILTINS): Likewise.
7592         * config/mips/elfoabi.h (DRIVER_SELF_SPECS): Remove separate
7593         insertion of a default -mips option.  Use MIPS_32BIT_OPTION_SPEC.
7594         * config/mips/t-isa3264 (LIB1ASMSRC, LIB1ASMFUNCS): Delete.
7595         * config/mips/t-r3900 (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
7596         * config/mips/t-elf (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
7597         * config/mips/mips.h (TARGET_CPU_CPP_BUITINS): Define _ABIO32,
7598         _ABIN32, _ABI64, _ABIO64, _MIPS_SIM, _MIPS_SZINT, _MIPS_SZLONG,
7599         _MIPS_SZPTR and _MIPS_FPSET.
7600         (MIPS_ISA_LEVEL_SPEC): Inject the default -mips option if no
7601         architecture is specified.
7602         (MIPS_32BIT_OPTION_SPEC): New macro.
7603
7604 2007-07-31  Dan Hipschman  <dsh@google.com>
7605
7606         * gcc.c (end_going_arg): New function.
7607         (do_spec_2): Use it.
7608         (do_spec_1): Use it.
7609
7610 2007-07-31  H.J. Lu  <hongjiu.lu@intel.com>
7611
7612         * ddg.c (add_cross_iteration_register_deps): Declare bb_info
7613         only if ENABLE_CHECKING is defined.
7614
7615 2007-07-31  Kenneth Zadeck <zadeck@naturalbridge.com>
7616
7617         * df.h (DF_RU, DF_RU_BB_INFO, df_ru_bb_info, df_ru,
7618         df_ru_add_problem, df_ru_get_bb_info): Removed.
7619         (DF_RD, DF_UREC, DF_CHAIN, DF_NOTE): Renumbered.
7620         * df-problems.c (df_ru_problem_data, df_ru_set_bb_info,
7621         df_ru_free_bb_info, df_ru_alloc,
7622         df_ru_bb_local_compute_process_def,
7623         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
7624         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
7625         df_ru_transfer_function, df_ru_free, df_ru_start_dump,
7626         df_ru_top_dump, df_ru_bottom_dump, df_problem problem_RU,
7627         df_ru_add_problem): Removed.
7628
7629 2007-07-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7630
7631         PR target/32847
7632         * pa.md (casesi32): Use match_scratch.  Revise insn condition.
7633         (casesi32p, casesi64p): Likewise.
7634         (casesi): Adjust for above.
7635
7636 2007-07-31  Richard Sandiford  <richard@codesourcery.com>
7637
7638         * mode-switching.c (create_pre_exit): Don't search past calls.
7639
7640 2007-07-31  Sandra Loosemore  <sandra@codesourcery.com>
7641
7642         * config/mips/mips.h (ISA_HAS_SYNCI): Add !TARGET_MIPS16 test.
7643
7644 2007-07-31  Revital Eres  <eres@il.ibm.com>
7645
7646         * ddg.c (add_deps_for_def): Rename to...
7647         (add_cross_iteration_register_deps): This.  Change implementation
7648         to use only reaching def and def-use chains to construct the
7649         inter loop dependencies.
7650         (add_deps_for_use): Remove function.
7651         (build_inter_loop_deps): Call add_cross_iteration_register_deps
7652         function to build the inter loop dependencies.
7653         * modulo-sched.c (sms_schedule): Build only
7654         reaching def and def-use chains for the propose of the ddg
7655         construction.
7656
7657 2007-07-31  Julian Brown  <julian@codesourcery.com>
7658
7659         * config/arm/neon.md (vec_set<mode>_internal, vec_setv2di_internal):
7660         New define_insns. Use correct RTL.
7661         (vec_set<mode>): Write as expander.
7662
7663 2007-07-31  Razya Ladelsky  <razya@il.ibm.com>
7664
7665         * matrix-reorg.c (analyze_matrix_allocation_site): Avoid referring 
7666         to an unallocated space.
7667
7668 2007-07-30  Jan Sjodin  <jan.sjodin@amd.com>
7669
7670         * tree-data-ref.c
7671         (split_constant_offset): Enable split_constant_offset to extract
7672         constants from other statements.
7673         * tree-vect-transform.c
7674         (vect_create_addr_base_for_vector_ref): Generate data_ref_base
7675         to a temp var. Force base_offset to be simple.
7676
7677 2007-07-30  Seongbae Park <seongbae.park@gmail.com>
7678
7679         * df-scan.c (df_scan_verify): Remove artificial limit on
7680         the number of blocks for verification.
7681         * df-problems.c (df_lr_bb_local_compute, df_simulate_find_defs,
7682         df_simulate_defs): Avoid unnecessary insn checking for defs.
7683
7684 2007-07-29  Mark Mitchell  <mark@codesourcery.com>
7685
7686         * config/m68k/lb1sf68.asm (FUNC): New macro.
7687         (__mulsi3): Use it.
7688         (__udivsi3): Likewise.
7689         (__divsi3): Likewise.
7690         (__umodsi3): Likewise.
7691         (__modsi3): Likewise.
7692         (__subdf3): Likewise.
7693         (__adddf3): Likewise.
7694         (__muldf3): Likewise.
7695         (__divdf3): Likewise.
7696         (__negdf2): Likewise.
7697         (__cmpdf2): Likewise.
7698         (__subsf3): Likewise.
7699         (__addsf3): Likewise.
7700         (__mulsf3): Likewise.
7701         (__divsf3): Likewise.
7702         (__negsf2): Likewise.
7703         (__cmpsf2): Likewise.
7704         (__eqdf2): Likewise.
7705         (__nedf2): Likewise.
7706         (__gtdf2): Likewise.
7707         (__gedf2): Likewise.
7708         (__ltdf2): Likewise.
7709         (__ledf2): Likewise.
7710         (__eqsf2): Likewise.
7711         (__nesf2): Likewise.
7712         (__gtsf2): Likewise.
7713         (__gesf2): Likewise.
7714         (__ltsf2): Likewise.
7715         (__lesf2): Likewise.
7716
7717 2007-07-30  Ollie Wild  <aaw@google.com>
7718
7719         * c-ppoutput.c (print_lines_directives_only): New function.
7720         (scan_translation_unit_directives_only): New function.
7721         (preprocess_file): Add call to scan_translation_unit_directives_only.
7722         * c-opts.c (c_common_handle_option): Add OPT_fdirectives_only.
7723         (sanitize_cpp_opts): Add default flag_dump_macros setting for
7724         -fdirectives-only.  Add errors for -fdirectives-only conflict with
7725         -Wunused-macros and -traditional.
7726         (finish_options): Add builtin macro initialization for
7727         -fdirectives-only + -fpreprocessed.
7728         * c.opt (fdirectives-only): New.
7729         * doc/cppopts.texi (fdirectives-only): New.
7730
7731 2007-07-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7732
7733         * alias.c (record_set, memory_modified_1): Constify.
7734         * bt-load.c (note_btr_set): Likewise.
7735         * caller-save.c (mark_set_regs, add_stored_regs): Likewise.
7736         * combine.c (set_nonzero_bits_and_sign_copies,
7737         expand_field_assignment, record_dead_and_set_regs_1,
7738         use_crosses_set_p, reg_dead_at_p_1, can_combine_p,
7739         likely_spilled_retval_1): Likewise.
7740         * config/frv/frv.c (frv_registers_update_1, frv_io_check_address,
7741         frv_io_handle_set): Likewise.
7742         * config/mips/mips.c (mips_sim_record_set,
7743         vr4130_true_reg_dependence_p_1): Likewise.
7744         * config/mt/mt.c (insn_dependent_p_1): Likewise.
7745         * config/s390/s390.c (s390_reg_clobbered_rtx): Likewise.
7746         * config/sh/sh.c (flow_dependent_p_1): Likewise.
7747         * cselib.c (cselib_invalidate_rtx_note_stores): Likewise.
7748         * dce.c (mark_nonreg_stores_1, mark_nonreg_stores_2): Likewise.
7749         * ddg.c (mark_mem_store): Likewise.
7750         * df-problems.c (df_urec_mark_reg_change): Likewise.
7751         * function.c (update_epilogue_consts): Likewise.
7752         * gcse.c (record_set_info, record_last_set_info,
7753         mems_conflict_for_gcse_p, canon_list_insert, reg_set_info,
7754         reg_clear_last_set): Likewise.
7755         * global.c (mark_reg_store, mark_reg_clobber, reg_becomes_live):
7756         Likewise.
7757         * jump.c (reversed_comparison_code_parts): Likewise.
7758         * local-alloc.c (validate_equiv_mem_from_store, no_equiv,
7759         reg_is_set): Likewise.
7760         * loop-iv.c (mark_altered): Likewise.
7761         * mode-switching.c (reg_becomes_live): Likewise.
7762         * optabs.c (no_conflict_move_test): Likewise.
7763         * postreload-gcse.c (record_last_set_info, find_mem_conflicts):
7764         Likewise.
7765         * postreload.c (reload_combine_note_store, move2add_note_store):
7766         Likewise.
7767         * regmove.c (flags_set_1): Likewise.
7768         * regrename.c (note_sets, kill_clobbered_value, kill_set_value):
7769         Likewise.
7770         * reload1.c (mark_not_eliminable, forget_old_reloads_1):
7771         Likewise. 
7772         * resource.c (update_live_status): Likewise.
7773         * rtl.h (set_of, note_stores): Likewise.
7774         * rtlanal.c (set_of_1, parms_set, struct set_of_data, set_of,
7775         note_stores, parms_set): Likewise.
7776         * sched-rgn.c (sets_likely_spilled_1): Likewise.
7777         * stack-ptr-mod.c (notice_stack_pointer_modification_1):
7778         Likewise. 
7779         * var-tracking.c (count_stores, add_stores): Likewise.
7780
7781 2007-07-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7782
7783         * alias.c (mems_in_disjoint_alias_sets_p,
7784         fixed_scalar_and_varying_struct_p, aliases_everything_p,
7785         nonoverlapping_component_refs_p, nonoverlapping_memrefs_p,
7786         write_dependence_p, mems_in_disjoint_alias_sets_p,
7787         read_dependence, true_dependence, canon_true_dependence,
7788         anti_dependence, output_dependence): Constify.
7789         * combine.c (extended_count): Likewise.
7790         * cse.c (cse_rtx_varies_p, hash_rtx, exp_equiv_p): Likewise.
7791         * cselib.c (get_value_hash, references_value_p,
7792         cselib_reg_set_mode, cselib_rtx_varies_p): Likewise.
7793         * cselib.h (cselib_reg_set_mode, references_value_p): Likewise.
7794         * emit-rtl.c (mem_expr_equal_p, active_insn_p): Likewise.
7795         * function.c (contains, prologue_epilogue_contains,
7796         sibcall_epilogue_contains): Likewise. 
7797         * jump.c (simplejump_p, condjump_p, condjump_in_parallel_p,
7798         pc_set, any_uncondjump_p, any_condjump_p, onlyjump_p,
7799         only_sets_cc0_p, sets_cc0_p, rtx_renumbered_equal_p, true_regnum,
7800         reg_or_subregno): Likewise.
7801         * recog.c (asm_noperands): Likewise.
7802         * reload1.c (function_invariant_p): Likewise.
7803         * rtl.h (mem_expr_equal_p, active_insn_p, rtx_varies_p,
7804         rtx_addr_varies_p, asm_noperands, exp_equiv_p, hash_rtx,
7805         condjump_p, any_condjump_p, any_uncondjump_p, pc_set,
7806         simplejump_p, onlyjump_p, only_sets_cc0_p, sets_cc0_p,
7807         true_regnum, reg_or_subregno, condjump_in_parallel_p,
7808         extended_count, prologue_epilogue_contains,
7809         sibcall_epilogue_contains, function_invariant_p, true_dependence,
7810         canon_true_dependence, read_dependence, anti_dependence,
7811         output_dependence): Likewise.
7812         * rtlanal.c (rtx_varies_p, rtx_addr_varies_p): Likewise.
7813
7814 2007-07-30  Julian Brown  <julian@codesourcery.com>
7815
7816         * config/arm/neon.md (V_ext): New mode attribute.
7817         (neon_vget_lane<mode>): Replace with define_expand.
7818         (neon_vget_lane<mode>_sext_internal)
7819         (neon_vget_lane<mode>_zext_internal): New define_insns for double
7820         and quad precision vectors.
7821         (neon_vget_lanedi): Add bounds check. Remove dead comment.
7822         * config/arm/neon.ml (get_lane): Make 32-bit get-lane intrinsics
7823         have typeless 32-bit result.
7824
7825 2007-07-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7826
7827         PR tree-opt/32527
7828         * tree-affine.h (aff_tree): The type of rest is sizetype for types
7829         of pointers.
7830         * tree-affine.c (aff_combination_scale): If type is a pointer type,
7831         use sizetype for rest.
7832         (aff_combination_add_elt): Likewise. Don't specialize pointer types.
7833         (aff_combination_convert): Don't convert rest for pointer types.
7834
7835 2007-07-28  Daniel Berlin  <dberlin@dberlin.org>
7836
7837         * Makefile.in (tree-ssa-alias.o): Add alloc-pool.h
7838
7839         * tree-ssa-alias.c: Add alloc-pool.h.
7840         (init_alias_info): Free alias_bitmap_obstack.
7841         (delete_alias_info): Call delete_mem_ref_stats.
7842         (get_mem_sym_stats_for): Use alloc_pool.
7843         (init_mem_ref_stats): Do not delete mem_ref_stats here.
7844         (delete_mem_sym_stats): Removed.
7845         
7846 2007-07-29  Sebastian Pop  <sebpop@gmail.com>
7847
7848         * tree-data-ref.c (add_multivariate_self_dist): Parametric access
7849         functions cannot be represented as classical distance vectors.
7850
7851 2007-07-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7852
7853         * attribs.c (hash_attr, eq_attr, init_attributes): Constify.
7854         * builtins.c (validate_arg, builtin_mathfn_code,
7855         validate_arglist): Likewise.
7856         * calls.c (call_expr_flags): Likewise.
7857         * combine.c (reg_nonzero_bits_for_combine,
7858         reg_num_sign_bit_copies_for_combine, get_last_value,
7859         reg_truncated_to_mode): Likewise.
7860         * emit-rtl.c (subreg_lowpart_p): Likewise.
7861         * expr.c (highest_pow2_factor_for_target,
7862         categorize_ctor_elements_1, categorize_ctor_elements,
7863         count_type_elements, contains_packed_reference,
7864         highest_pow2_factor, highest_pow2_factor_for_target): Likewise.
7865         * fold-const.c (may_negate_without_overflow_p, int_const_binop,
7866         fold_convertible_p, operand_equal_p, tree_swap_operands_p,
7867         native_encode_int, native_encode_real, native_encode_complex,
7868         native_encode_vector, native_encode_expr, native_interpret_int,
7869         native_interpret_real, native_interpret_complex,
7870         native_interpret_vector, native_interpret_expr): Likewise.
7871         * function.c (use_register_for_decl): Likewise.
7872         * gimplify.c (get_name): Likewise.
7873         * langhooks-def.h (lhd_return_null_const_tree): New.
7874         (LANG_HOOKS_GET_CALLEE_FNDECL): Use it.
7875         * langhooks.c (lhd_return_null_const_tree): New.
7876         * langhooks.h (lang_get_callee_fndecl): Constify.
7877         * output.h (constructor_static_from_elts_p): Likewise.
7878         * rtl-factoring.c (gen_symbol_ref_rtx_for_label): Likewise.
7879         * rtl.h (nonzero_bits, num_sign_bit_copies, truncated_to_mode,
7880         subreg_lowpart_p, noop_move_p, struct rtl_hooks): Likewise.
7881         * rtlanal.c (cached_nonzero_bits, nonzero_bits1,
7882         cached_num_sign_bit_copies, num_sign_bit_copies1, noop_move_p,
7883         nonzero_bits, num_sign_bit_copies, truncated_to_mode): Likewise.
7884         * rtlhooks-def.h (reg_nonzero_bits_general,
7885         reg_num_sign_bit_copies_general, reg_truncated_to_mode_general):
7886         Likewise. 
7887         * rtlhooks.c (reg_num_sign_bit_copies_general,
7888         reg_nonzero_bits_general, reg_truncated_to_mode_general):
7889         Likewise. 
7890         * stmt.c (warn_if_unused_value, is_body_block): Likewise.
7891         * stor-layout.c (mode_for_size_tree): Likewise.
7892         * tree-ssa-loop-im.c (memref_eq): Likewise.
7893         * tree-ssa-loop-ivopts.c (tree_int_cst_sign_bit): Likewise.
7894         * tree.c (contains_placeholder_p, type_list_equal,
7895         simple_cst_equal, get_callee_fndecl, operand_equal_for_phi_arg_p):
7896         Likewise. 
7897         * tree.h (tree_int_cst_sign_bit, may_negate_without_overflow_p,
7898         mode_for_size_tree, categorize_ctor_elements, count_type_elements,
7899         contains_placeholder_p, contains_packed_reference,
7900         get_callee_fndecl, operand_equal_for_phi_arg_p,
7901         warn_if_unused_value, is_body_block, native_encode_expr,
7902         native_interpret_expr, fold_convertible_p, operand_equal_p,
7903         int_const_binop, tree_swap_operands_p, builtin_mathfn_code,
7904         validate_arglist, simple_cst_equal, type_list_equal,
7905         use_register_for_decl, call_expr_flags, get_name,
7906         highest_pow2_factor): Likewise.
7907         (const_call_expr_arg_iterator_d,
7908         init_const_call_expr_arg_iterator, next_const_call_expr_arg,
7909         first_const_call_expr_arg, more_const_call_expr_args_p,
7910         FOR_EACH_CONST_CALL_EXPR_ARG): New.
7911         * varasm.c (constructor_static_from_elts_p): Constify.
7912
7913 2007-07-28  Kazu Hirata  <kazu@codesourcery.com>
7914
7915         * cfglayout.c, config/arm/arm.c, config/arm/cortex-a8.md,
7916         config/arm/neon-schedgen.ml, config/arm/neon.ml,
7917         config/arm/vec-common.md, config/ia64/div.md, cselib.c,
7918         df-core.c, df.h, dominance.c, optabs.c, opts.c, reg-stack.c,
7919         regstat.c, target.h, tree-ssa-live.c, tree-ssa-pre.c,
7920         tree-vect-transform.c, tree.def: Fix comment typos.  Follow
7921         spelling conventions.
7922         * doc/invoke.texi: Follow spelling conventions.
7923
7924 2007-07-29  Vladimir Yanovsky  <yanov@il.ibm.com>
7925             Revital Eres  <eres@il.ibm.com>
7926
7927         * modulo-sched.c (sms_schedule): Avoid loops which includes
7928         auto-increment instructions.
7929
7930 2007-07-28  Richard Guenther  <rguenther@suse.de>
7931
7932         PR middle-end/32920
7933         * fold-const.c (fold_cond_expr_with_comparison): Convert
7934         operand zero of MIN/MAX_EXPR to correct type.
7935
7936 2007-07-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7937
7938         * calls.c (special_function_p, setjmp_call_p, alloca_call_p,
7939         flags_from_decl_or_type): Constify.
7940         * gcc.c (do_spec_1): Likewise.
7941         * print-tree.c (dump_addr, print_node_brief): Likewise.
7942         * tree-cfg.c (stmt_starts_bb_p, is_ctrl_stmt, computed_goto_p,
7943         simple_goto_p, tree_can_make_abnormal_goto, stmt_starts_bb_p,
7944         tree_purge_all_dead_eh_edges): Likewise.
7945         * tree-flow.h (is_ctrl_stmt, computed_goto_p, simple_goto_p,
7946         tree_can_make_abnormal_goto, tree_purge_all_dead_eh_edges):
7947         Likewise. 
7948         * tree.c (expr_location, expr_has_location, expr_locus,
7949         expr_filename, expr_lineno, get_inner_array_type,
7950         fields_compatible_p): Likewise.
7951         * tree.h (get_inner_array_type, fields_compatible_p,
7952         expr_location, expr_has_location, expr_locus, expr_filename,
7953         expr_lineno, dump_addr, print_node_brief, flags_from_decl_or_type,
7954         setjmp_call_p, alloca_call_p): Likewise.
7955
7956 2007-07-28  Daniel Berlin  <dberlin@dberlin.org>
7957
7958         * timevar.def: Add TV_CALL_CLOBBER, TV_FLOW_SENSITIVE,
7959         TV_FLOW_INSENSITIVE.
7960
7961         * tree-ssa-alias.c (compute_call_clobbered): Push/pop
7962         TV_CALL_CLOBBER.
7963         (compute_flow_sensitive_aliasing): Ditto for TV_FLOW_SENSITIVE.
7964         (compute_flow_insensitive_aliasing): Ditto for
7965         TV_FLOW_INSENSITIVE.    
7966
7967 2007-07-27  Jan Hubicka  <jh@suse.cz>
7968
7969         * config/i386/i386.c (register_move_cost): Remove accidentally
7970         comitted #if 0 block.
7971
7972         * attribs.c: Include hashtab.h
7973         (attribute_hash): New.
7974         (substring): New structure.
7975         (extract_attribute_substring, substring_hash, hash_attr, eq_attr):
7976         New function.
7977         (init_attributes): Initialize attribute hash.
7978         (decl_attributes): Use attribute hash.
7979         * Makefile.in (attribs.c): Depend on hashtab.h.
7980
7981 2007-07-27  Steve Ellcey  <sje@cup.hp.com>
7982
7983         * config/ia64/vect.md (vec_initv2si): Remove bad BIG_ENDIAN test.
7984
7985 2007-07-27  Richard Sandiford  <richard@codesourcery.com>
7986
7987         * doc/invoke.texi (mdsp, mdspr2): Document the __mips_dsp,
7988         __mips_dspr2 and __mips_dsp_rev macros.
7989         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dsp_rev.
7990
7991 2007-07-27  Douglas Gregor  <doug.gregor@gmail.com>
7992         
7993        * c-common.h (enum rid): Add RID_DECLTYPE, update RID_LAST_CXX0X.
7994
7995 2007-07-26  Kenneth Zadeck <zadeck@naturalbridge.com>
7996
7997         PR middle-end/32749
7998         
7999         * df-problems.c (df_create_unused_note): Removed do_not_gen parm
8000         and the updating of the live and do_not_gen sets.
8001         (df_note_bb_compute): Added updating of live and do_not_gen sets
8002         for regular defs so that the case of clobber inside conditional
8003         call is processed correctly.
8004         
8005 2007-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8006
8007         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Generate the
8008         operands with compatible type.
8009
8010 2007-07-27  Richard Sandiford  <richard@codesourcery.com>
8011
8012         * expr.h (store_bit_field): Don't return a value.
8013         * expmed.c (check_predicate_volatile_ok): New function.
8014         (store_bit_field_1): New function, extracted from store_bit_field.
8015         Take a fallback_p argument and return true if the operation succeeded.
8016         Only use store_fixed_bit_field if fallback_p.  Don't recompute
8017         mode_for_extraction; use op_mode instead.  Try forcing memories
8018         into registers if the insv expander fails.
8019         (store_bit_field): Use store_bit_field_1 with fallback_p true.
8020         Don't return a value.
8021         (convert_extracted_bit_field): New function, extracted from
8022         store_bit_field.
8023         (extract_bit_field_1): Likewise.  Take a fallback_p argument
8024         and return NULL if the operation succeeded.  Only use
8025         extract_fixed_bit_field if fallback_p.  Only calculate one
8026         extraction mode.  Combine code for extv and extzv.  Try forcing
8027         memories into registers if the ext(z)v expander fails.
8028         (extract_bit_field): Use extract_bit_field_1 with fallback_p true.
8029
8030 2007-07-27  Richard Sandiford  <rsandifo@nildram.co.uk>
8031
8032         * df.h (df_mw_hardreg): Turn df_ref_type and df_ref_flags
8033         into bitfields.
8034         (df_ref): Likewise.  Put regno with other integer fields.
8035
8036 2007-07-27  Richard Sandiford  <rsandifo@nildram.co.uk>
8037
8038         * df.h (df_mw_hardreg): Remove "loc" field.
8039         * df-scan.c (df_ref_record): Don't set it.  Remove redundant
8040         local variable.
8041         * df-problems.c (df_whole_mw_reg_unused_p): New function,
8042         split out from df_set_unused_notes_for_mw.  Return false for
8043         partial references.  Assert that mw_reg is a REG when returning true.
8044         (df_set_unused_notes_for_mw): Use it.  Use mw_reg instead of *loc.
8045         (df_whole_mw_reg_dead_p): New function, split out from
8046         df_set_dead_notes_for_mw.  Return false for partial references.
8047         Assert that mw_reg is a REG when returning true.
8048         (df_set_dead_notes_for_mw): Use it.  Use mw_reg instead of *loc.
8049         Remove redundant bitmap check.
8050
8051 2007-07-26  H.J. Lu  <hongjiu.lu@intel.com>
8052
8053         * config/ia64/t-ia64 ($(T)crtbegin.o): Removed.
8054         ($(T)crtend.o): Likwise.
8055         ($(T)crtbeginS.o): Likwise.
8056         ($(T)crtendS.o): Likwise.
8057         ($(T)crtfastmath.o): Likwise.
8058
8059 2007-07-26  Zdenek Dvorak  <dvorakz@suse.cz>
8060
8061         * dominance.c (dom_computed, n_bbs_in_dom_tree): Removed.
8062         * function.h (dom_computed, n_bbs_in_dom_tree): New macros.
8063         * basic-block.h (struct control_flow_graph): Added x_dom_computed
8064         and x_n_bbs_in_dom_tree fields.
8065
8066 2007-07-26  Steve Ellcey  <sje@cup.hp.com>
8067
8068         PR tree-optimization/32087
8069         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop):
8070         Do not call scale_bbs_frequencies_int with prob of zero.
8071
8072 2007-07-26  Julian Brown  <julian@codesourcery.com>
8073
8074         * config/arm/arm-protos.h (neon_lane_bounds, neon_const_bounds)
8075         (neon_element_bits): Add prototypes.
8076         * config/arm/arm.c (bounds_check, neon_lane_bounds)
8077         (neon_const_bounds, neon_element_bits): New functions.
8078         * config/arm/neon.md (neon_vget_lane<mode>, neon_vget_lanedi)
8079         (neon_vget_lanev2di, neon_vset_lane<mode>, neon_vset_lanedi)
8080         (neon_vset_lanev2di, neon_vdup_lane<mode>, neon_vdup_lanedi)
8081         (neon_vdup_lanev2di, neon_vcvt_n<mode>, neon_vmul_lane<mode>)
8082         (neon_vmull_lane<mode>, neon_vqdmull_lane<mode>)
8083         (neon_vqdmulh_lane<mode>, neon_vmla_lane<mode>)
8084         (neon_vmlal_lane<mode>, neon_vqdmlal_lane<mode>)
8085         (neon_vmls_lane<mode>, neon_vmlsl_lane<mode>)
8086         (neon_vqdmlsl_lane<mode>, neon_vext<mode>, neon_vshr_n<mode>)
8087         (neon_vshrn_n<mode>, neon_vqshrn_n<mode>, neon_vqshrun_n<mode>)
8088         (neon_vshl_n<mode>, neon_vshl_n<mode>, neon_vqshl_n<mode>)
8089         (neon_vqshlu_n<mode>, neon_vshll_n<mode>, neon_vsra_n<mode>)
8090         (neon_vsri_n<mode>, neon_vsli_n<mode>): Add bounds checks.
8091
8092 2007-07-26  Nathan Froyd  <froydnj@codesourcery.com>
8093
8094         * config/vxworks.h (VXWORKS_LINK_SPEC): Fix typo.
8095         (HAVE_AS_GNU_ATTRIBUTE): Undefine.
8096
8097 2007-07-26  Mark Shinwell  <shinwell@codesourcery.com>
8098             Julian Brown  <julian@codesourcery.com>
8099
8100         * config/arm/arm.c (arm_mac_accumulator_is_mul_result): New.
8101         * config/arm/arm-protos.h (arm_mac_accumulator_is_mul_result): New.
8102         * config/arm/cortex-a8.md: New.
8103         * config/arm/cortex-a8-neon.md: New.
8104         * config/arm/neon-schedgen.ml: New.
8105         * config/arm/neon.md (vqh_mnem): New.
8106         (neon_type): New.
8107         (Is_float_mode): New.
8108         (Scalar_mul_8_16): New.
8109         (Is_d_reg): New.
8110         (V_mode_nunits): New.
8111         (All instruction patterns): Annotate with neon_type attribute
8112         values.
8113         * config/arm/arm.md: Include cortex-a8.md.
8114         (insn): Add smmla, umaal, smlald, smlsld, clz, mrs, msr and xtab
8115         values.
8116         Annotate instruction patterns accordingly.
8117         (generic_sched): Do not use generic scheduling for Cortex-A8.
8118         (generic_vfp): Do not use generic VFP scheduling for Cortex-A8.
8119
8120 2007-07-26  Daniel Jacobowitz  <dan@codesourcery.com>
8121
8122         * fold-const.c (fold_read_from_constant_string): Use
8123         build_int_cst_type.
8124         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
8125
8126 2007-07-26  Nick Clifton  <nickc@redhat.com>
8127
8128         * tree-ssa-operands.h: Change copyright header to refer to version
8129         3 of the GNU General Public License and to point readers at the
8130         COPYING3 file and the FSF's license web page.
8131         * tree-vrp.c, regrename.c, attribs.c, loop-unswitch.c,
8132         sched-ebb.c, fwprop.c, tree-loop-linear.c, dwarf2asm.c,
8133         tree-into-ssa.c, dwarf2asm.h, tree-ssa-loop-im.c, sbitmap.c,
8134         targhooks.c, tree-dump.c, tree-complex.c, sbitmap.h, targhooks.h,
8135         tree-dump.h, regstat.c, see.c, machmode.h, hooks.c, cgraphbuild.c,
8136         hooks.h, genrecog.c, tree-ssa-threadupdate.c, gen-protos.c,
8137         flags.h, rtlhooks.c, gencheck.c, tree-ssa-loop-niter.c,
8138         opts-common.c, dbgcnt.def, tree-pretty-print.c, tracer.c,
8139         gengtype.c, mkconfig.sh, gengtype.h, tree-ssa-loop-unswitch.c,
8140         cgraph.c, c-lex.c, cgraph.h, libfuncs.h, cfgloopmanip.c,
8141         rtl-error.c, optabs.c, postreload-gcse.c, tree-ssa-loop-manip.c,
8142         optabs.h, genmddeps.c, defaults.h, postreload.c, value-prof.c,
8143         tree-ssa-loop-ch.c, tree-tailcall.c, gengenrtl.c, value-prof.h,
8144         genopinit.c, tree.c, tree.h, reload.c, tree-pass.h, ipa-cp.c,
8145         reload.h, bitmap.c, bitmap.h, tree-scalar-evolution.c,
8146         c-config-lang.in, tree-scalar-evolution.h, target.h, cppspec.c,
8147         rtlanal.c, ddg.c, lambda-mat.c, mips-tdump.c, ddg.h,
8148         tree-phinodes.c, mips-tfile.c, pointer-set.c, pointer-set.h,
8149         diagnostic.c, final.c, diagnostic.h, builtins.c, genoutput.c,
8150         gcc.c, lists.c, tree-ssa-alias-warnings.c, gcc.h, cfghooks.c,
8151         input.h, gensupport.c, fold-const.c, cfghooks.h, insn-notes.def,
8152         gensupport.h, builtin-attrs.def, sync-builtins.def, params.c,
8153         cfgloopanal.c, params.h, graphds.c, omp-low.c, tree-ssa-dse.c,
8154         graphds.h, gcov.c, cfg.c, genextract.c, ipa-reference.c,
8155         genautomata.c, tree-ssa-uncprop.c, auto-inc-dec.c, toplev.c,
8156         tree-gimple.c, ipa-reference.h, vmsdbgout.c, errors.c, toplev.h,
8157         reorg.c, tree-gimple.h, tree-chrec.c, pretty-print.c, errors.h,
8158         real.c, tree-chrec.h, pretty-print.h, debug.c, real.h, genemit.c,
8159         omega.c, c-cppbuiltin.c, genmultilib, debug.h, omega.h,
8160         tree-ssa-sccvn.c, genconfig.c, tree-ssa-sccvn.h, cgraphunit.c,
8161         regs.h, df-scan.c, vec.c, hosthooks-def.h, vec.h,
8162         tree-ssa-copyrename.c, scan.c, builtin-types.def, tree-ssa-ccp.c,
8163         scan.h, mode-classes.def, haifa-sched.c, dominance.c, dojump.c,
8164         double-int.c, gcov-io.c, dbxout.c, builtins.def, double-int.h,
8165         dbxout.h, tree-ssa-loop-ivopts.c, df-core.c, mode-switching.c,
8166         gengtype-lex.l, tree-nomudflap.c, modulo-sched.c, c-objc-common.c,
8167         hosthooks.h, c-objc-common.h, caller-save.c, graph.c,
8168         ipa-pure-const.c, graph.h, c-format.c, cse.c, fix-header.c,
8169         c-format.h, web.c, tree-stdarg.c, genpeep.c, tree-stdarg.h,
8170         tree-ssa-math-opts.c, xcoffout.c, tree-ssa-dom.c, tree-nrv.c,
8171         xcoffout.h, tree-ssa-propagate.c, ipa-utils.c,
8172         tree-ssa-propagate.h, tree-ssa-alias.c, loop-init.c, ipa-utils.h,
8173         gimple-low.c, rtl.def, c-tree.h, tree-ssa-sink.c, ipa-inline.c,
8174         mkmap-symver.awk, machmode.def, c-pch.c, cfganal.c, global.c,
8175         alloc-pool.c, c-semantics.c, alloc-pool.h, jump.c, ifcvt.c,
8176         dwarf2out.c, expr.c, cfgbuild.c, tree-browser.c, dwarf2out.h,
8177         expr.h, longlong.h, opts.c, gcov-iov.c, opts.h, dwarf2.h,
8178         genattrtab.c, genconditions.c, genattr.c, optc-gen.awk,
8179         timevar.def, tree-ssa-loop-ivcanon.c, hard-reg-set.h, predict.c,
8180         tree-ssa-loop.c, host-default.c, predict.h, recog.c, dbgcnt.c,
8181         recog.h, dbgcnt.h, c-aux-info.c, tree-ssa-address.c, timevar.c,
8182         dse.c, lcm.c, tree-ssa-ifcombine.c, timevar.h, dse.h,
8183         matrix-reorg.c, tree-vn.c, treestruct.def, fp-test.c, c-decl.c,
8184         tree-eh.c, c-errors.c, c-pretty-print.c, regmove.c,
8185         lambda-trans.c, c-pretty-print.h, et-forest.c, et-forest.h,
8186         ebitmap.c, configure.ac, local-alloc.c, function.c, langhooks.c,
8187         ebitmap.h, cppdefault.c, tree-vectorizer.c, function.h,
8188         langhooks.h, print-rtl.c, cppdefault.h, df.h, tree-vectorizer.h,
8189         sdbout.c, stor-layout.c, sdbout.h, rtlhooks-def.h, read-rtl.c,
8190         gcse.c, ipa-type-escape.c, vmsdbg.h, alias.c, gengtype-parse.c,
8191         ipa-type-escape.h, domwalk.c, alias.h, tree-if-conv.c, profile.c,
8192         init-regs.c, domwalk.h, ipa.c, gccbug.in, tree-data-ref.c,
8193         loop-unroll.c, tree-data-ref.h, tree-flow-inline.h, tree-affine.c,
8194         mkmap-flat.awk, tree-affine.h, tree-vect-analyze.c, c.opt, ggc.h,
8195         opt-gather.awk, c-typeck.c, gimplify.c, coretypes.h, exec-tool.in,
8196         insn-addr.h, tree-ssa-phiopt.c, c-pragma.c, c-pragma.h, calls.c,
8197         tree-ssa-coalesce.c, genmodes.c, loop-doloop.c, predict.def,
8198         dwarf.h, tree.def, rtl-factoring.c, lower-subreg.c, expmed.c,
8199         bt-load.c, ggc-common.c, genflags.c, tree-dfa.c, except.c,
8200         coverage.c, except.h, emit-rtl.c, cfgexpand.c, coverage.h,
8201         stringpool.c, cselib.c, emit-rtl.h, tree-cfgcleanup.c, c-opts.c,
8202         cselib.h, cfgcleanup.c, simplify-rtx.c, tree-ssa-pre.c, explow.c,
8203         tree-ssa-live.c, tree-sra.c, tree-ssa-live.h, tree-predcom.c,
8204         loop-invariant.c, genpreds.c, protoize.c, opth-gen.awk, c-dump.c,
8205         lambda.h, loop-iv.c, tree-mudflap.c, ipa-prop.c, print-tree.c,
8206         tree-mudflap.h, tree-ssa-copy.c, ipa-prop.h, cfglayout.c,
8207         tree-ssa-forwprop.c, c-convert.c, cfglayout.h, common.opt,
8208         ggc-zone.c, ggc-page.c, c-omp.c, tree-ssa-dce.c, gencodes.c,
8209         varasm.c, tree-vect-patterns.c, libada-mk.in, tree-ssa-ter.c,
8210         sched-deps.c, tree-nested.c, c-ppoutput.c, tree-ssa.c,
8211         target-def.h, tree-ssa-loop-prefetch.c, lambda-code.c,
8212         omp-builtins.def, rtl.c, regclass.c, stab.def, intl.c, rtl.h,
8213         intl.h, tree-inline.c, conditions.h, tree-inline.h, integrate.c,
8214         sched-int.h, tree-iterator.c, integrate.h, tree-iterator.h,
8215         genchecksum.c, tree-optimize.c, output.h, tree-vect-transform.c,
8216         tree-object-size.c, combine.c, tree-outof-ssa.c, addresses.h,
8217         bb-reorder.c, stack-ptr-mod.c, resource.c, var-tracking.c,
8218         cfgloop.c, system.h, resource.h, ggc-none.c, tree-profile.c,
8219         cfgloop.h, c-gimplify.c, c-common.c, opt-functions.awk,
8220         tree-vect-generic.c, tree-flow.h, df-problems.c, scan-decls.c,
8221         c-common.h, config.gcc, reg-stack.c, tlink.c, main.c, stub-objc.c,
8222         fixproto, config.host, Makefile.in, gccspec.c, sched-rgn.c,
8223         vecprim.h, basic-block.h, tree-ssa-structalias.c,
8224         tree-ssa-structalias.h, c-common.def, sched-vis.c, tree-cfg.c,
8225         passes.c, genconstants.c, c-incpath.c, c-incpath.h,
8226         struct-equiv.c, c-parser.c, tree-ssa-reassoc.c, varray.c, sreal.c,
8227         varray.h, dfp.c, sreal.h, combine-stack-adj.c, dfp.h,
8228         reg-notes.def, cfgrtl.c, config.build, varpool.c, gengtype-yacc.y,
8229         stmt.c, dce.c, tree-browser.def, prefix.c, statistics.h,
8230         params.def, dce.h, c-lang.c, gcov-dump.c, prefix.h,
8231         tree-ssanames.c, collect2.c, collect2.h, tree-ssa-threadedge.c,
8232         convert.c, convert.h, langhooks-def.h, reload1.c,
8233         tree-ssa-operands.c: Likewise.
8234
8235 2007-07-26  Jan Hubicka  <jh@suse.cz>
8236
8237         * tree-ssa-live.c: Include debug.h and flags.h.
8238         (mark_scope_block_unused): New function.
8239         (remove_unused_scope_block_p): New function.
8240         (remove_unused_locals): Remove unused blocks too.
8241
8242 2007-07-25  Ian Lance Taylor  <iant@google.com>
8243
8244         * combine.c (combine_max_regno): Remove.  Remove all uses.
8245         (struct reg_stat_struct): Rename from struct reg_stat.
8246         (reg_stat_type): Define, and declare VECs.
8247         (reg_stat): Change from pointer to VEC.  Change all uses.
8248         (combine_split_insns): New static function.
8249         (try_combine, find_split_point): Call it instead of split_insns.
8250
8251 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
8252
8253         * cfghooks.c (split_block): Fix the information about loop latch.
8254
8255 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
8256
8257         * cfgloopmanip.c (fix_loop_structure): Call force_single_succ_latches.
8258
8259 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
8260
8261         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis):
8262         Scan the new edge for loop exit info.
8263
8264 2007-07-25  Andreas Tobler  <a.tobler@schweiz.org>
8265
8266         * config/darwin.c: Include debug.h.
8267
8268 2007-07-25  Steve Ellcey  <sje@cup.hp.com>
8269
8270         PR target/32218
8271         * tree-vect-patterns.c (vect_pattern_recog_1): Check for valid type.
8272
8273 2007-07-25  Steve Ellcey  <sje@cup.hp.com>
8274
8275         * config/ia64/ia64.h (HARD_REGNO_NREGS): Handle RFmode.
8276         (HARD_REGNO_MODE_OK): Ditto.
8277         (MODES_TIEABLE_P): Ditto.
8278         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
8279         (CLASS_MAX_NREGS): Ditto.
8280         * config/ia64/ia64.c (ia64_print_operand_address): Add R format.
8281         * config/ia64/ia64.md (divsf3_internal_thr): Removed.
8282         (divdf3_internal_thr): Removed.
8283         * config/ia64/div.md: New file.
8284         * config/ia64/constraints.md: Add H constraint.
8285
8286 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8287
8288         * sbitmap.c (sbitmap_verify_popcount, sbitmap_alloc_with_popcount,
8289         sbitmap_copy, sbitmap_copy_n, sbitmap_equal, sbitmap_empty_p,
8290         sbitmap_union_of_diff_cg, sbitmap_union_of_diff, sbitmap_not,
8291         sbitmap_difference, sbitmap_any_common_bits, sbitmap_a_and_b_cg,
8292         sbitmap_a_and_b, sbitmap_a_xor_b_cg, sbitmap_a_xor_b,
8293         sbitmap_a_or_b_cg, sbitmap_a_or_b, sbitmap_a_subset_b_p,
8294         sbitmap_a_or_b_and_c_cg, sbitmap_a_or_b_and_c,
8295         sbitmap_a_and_b_or_c_cg, sbitmap_a_and_b_or_c,
8296         sbitmap_first_set_bit, sbitmap_last_set_bit, dump_sbitmap,
8297         dump_sbitmap_file, debug_sbitmap, popcount_table,
8298         sbitmap_popcount): Constify.
8299         * sbitmap.h (const_sbitmap, const_sbitmap_ptr): New.
8300         (sbitmap_iterator, sbitmap_iter_init, dump_sbitmap,
8301         dump_sbitmap_file, sbitmap_copy, sbitmap_copy_n, sbitmap_equal,
8302         sbitmap_empty_p, sbitmap_union_of_diff, sbitmap_union_of_diff_cg,
8303         sbitmap_difference, sbitmap_not, sbitmap_a_or_b_and_c,
8304         sbitmap_a_or_b_and_c_cg, sbitmap_a_and_b_or_c,
8305         sbitmap_a_and_b_or_c_cg, sbitmap_any_common_bits, sbitmap_a_and_b,
8306         sbitmap_a_and_b_cg, sbitmap_a_or_b, sbitmap_a_or_b_cg,
8307         sbitmap_a_xor_b, sbitmap_a_xor_b_cg, sbitmap_a_subset_b_p,
8308         sbitmap_first_set_bit, sbitmap_last_set_bit, debug_sbitmap,
8309         sbitmap_popcount, sbitmap_verify_popcount): Constify.
8310
8311 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8312
8313         * bitmap.c (hash_descriptor, eq_descriptor, bitmap_element_zerop,
8314         bitmap_copy, bitmap_clear_bit, popcount_table, bitmap_count_bits,
8315         bitmap_first_set_bit, bitmap_and, bitmap_and_into,
8316         bitmap_elt_copy, bitmap_and_compl, bitmap_and_compl_into,
8317         bitmap_compl_and_into, bitmap_elt_ior, bitmap_ior,
8318         bitmap_ior_into, bitmap_xor, bitmap_xor_into, bitmap_equal_p,
8319         bitmap_intersect_p, bitmap_intersect_compl_p,
8320         bitmap_ior_and_compl, bitmap_ior_and_compl_into,
8321         debug_bitmap_file, debug_bitmap, bitmap_print, bitmap_hash):
8322         Constify.
8323         * bitmap.h (bitmap_copy, bitmap_equal_p, bitmap_intersect_p,
8324         bitmap_intersect_compl_p, bitmap_count_bits, bitmap_and,
8325         bitmap_and_into, bitmap_and_compl, bitmap_and_compl_into,
8326         bitmap_compl_and_into, bitmap_ior, bitmap_ior_into, bitmap_xor,
8327         bitmap_xor_into, bitmap_ior_and_compl, bitmap_ior_and_compl_into,
8328         debug_bitmap, debug_bitmap_file, bitmap_print,
8329         bitmap_first_set_bit, bitmap_hash, bmp_iter_set_init,
8330         bmp_iter_and_init, bmp_iter_and_compl_init): Likewise.
8331
8332 2007-07-25  Daniel Berlin  <dberlin@dberlin.org>
8333
8334         * config/darwin.c (darwin_override_options): Additional fix for
8335         debug info formats that don't support var tracking.
8336
8337 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8338
8339         * cselib.c (entry_and_rtx_equal_p): Constify.
8340         * gengtype.c (output_mangled_typename, write_types, write_local):
8341         Likewise.
8342         * gengtype.h (const_type_p): New.
8343         * see.c (eq_descriptor_extension, hash_descriptor_extension):
8344         Constify.
8345         * tlink.c (scan_linker_output): De-constify.
8346         * tree-ssa-loop-im.c (memref_eq): Constify.
8347         * tree-ssa-structalias.c (const_shared_bitmap_info_t): New.
8348         (shared_bitmap_hash, shared_bitmap_eq): Constify.
8349
8350 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8351
8352         * c-common.c (fname_as_string, c_type_hash): Constify.
8353         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise.
8354         * cgraph.c (edge_hash, edge_eq): Likewise.
8355         * dwarf2out.c (decl_die_table_eq, decl_loc_table_eq): Likewise.
8356         * emit-rtl.c (mem_attrs_htab_eq, reg_attrs_htab_hash,
8357         reg_attrs_htab_eq): Likewise.
8358         * except.c (t2r_eq, t2r_hash, ttypes_filter_eq, ehl_hash, ehl_eq):
8359         Likewise.
8360         * genautomata.c (const_reserv_sets_t, const_unit_decl_t,
8361         const_decl_t, const_state_t, const_automata_list_el_t): New.
8362         (first_out_arc, DECL_UNIT, DECL_BYPASS, DECL_AUTOMATON, DECL_EXCL,
8363         DECL_PRESENCE, DECL_ABSENCE, DECL_RESERV, DECL_INSN_RESERV,
8364         automaton_decl_hash, automaton_decl_eq_p, insn_decl_hash,
8365         insn_decl_eq_p, decl_hash, decl_eq_p, alt_state_cmp,
8366         reserv_sets_cmp, reserv_sets_eq, state_hash, state_eq_p,
8367         automata_list_hash, automata_list_eq_p, compare_states_for_equiv,
8368         compare_max_occ_cycle_nums, out_state_arcs_num,
8369         compare_transition_els_num, units_cmp, state_reservs_cmp):
8370         Constify.
8371         * genmodes.c (cmp_modes): Likewise.
8372         * ggc-common.c (saving_htab_hash, saving_htab_eq): Likewise.
8373         * gimplify.c (compare_case_labels): Likewise.
8374         * ipa-type-escape.c (get_name_of_type, type_brand_s): Likewise.
8375         * loop-unroll.c (si_info_hash, ve_info_hash): Likewise.
8376         * matrix-reorg.c (mtt_info_hash): Likewise.
8377         * postreload-gcse.c (hash_expr_for_htab, expr_equiv_p): Likewise.
8378         * rtl-factoring.c (const_p_hash_bucket, const_p_hash_elem): New.
8379         (htab_hash_bucket, htab_hash_elem): Constify.
8380         * tree-browser.c (TB_parent_eq): Likewise.
8381         * tree-scalar-evolution.c (hash_scev_info): Likewise.
8382         * tree-ssa-alias.c (sort_tags_by_id): Likewise.
8383         * tree-ssa-coalesce.c (const_coalesce_pair_p): New.
8384         (coalesce_pair_map_hash, coalesce_pair_map_eq, compare_pairs):
8385         Constify.
8386         * tree-ssa-dom.c (avail_expr_hash, avail_expr_eq): Likewise.
8387         * tree-ssa-pre.c (const_expr_pred_trans_t): New.
8388         (expr_pred_trans_hash, expr_pred_trans_eq): Constify.
8389         * tree-ssa-sccvn.c (const_vn_binary_op_t, const_vn_unary_op_t,
8390         const_vn_phi_t, const_vn_reference_op_t, const_vn_reference_t):
8391         New.
8392         (vn_reference_op_eq, vn_reference_hash, vn_reference_eq,
8393         vn_unary_op_hash, vn_unary_op_eq, vn_binary_op_hash,
8394         vn_binary_op_eq, vn_phi_hash, vn_phi_eq): Constify.
8395         * tree-ssa-threadupdate.c (redirection_data_hash,
8396         redirection_data_eq): Likewise. 
8397         * tree-ssa-uncprop.c (equiv_hash, equiv_eq): Likewise.
8398         * tree-ssa.c (var_ann_eq): Likewise.
8399         * tree-vrp.c (compare_case_labels): Likewise.
8400         * tree.c (int_cst_hash_hash, int_cst_hash_eq,
8401         tree_map_base_marked_p, type_hash_marked_p, tree_check_failed,
8402         tree_not_check_failed, tree_class_check_failed,
8403         tree_range_check_failed, tree_not_class_check_failed,
8404         omp_clause_check_failed, omp_clause_range_check_failed,
8405         tree_contains_struct_check_failed, tree_operand_check_failed):
8406         Likewise. 
8407         * tree.h (tree_contains_struct_check_failed, tree_check_failed,
8408         tree_not_check_failed, tree_class_check_failed,
8409         tree_range_check_failed, tree_not_class_check_failed,
8410         tree_operand_check_failed, omp_clause_operand_check_failed,
8411         tree_operand_length): Likewise. 
8412         * var-tracking.c (const_variable): New.
8413         (variable_htab_hash, variable_htab_eq): Constify.
8414         * varasm.c (const_desc_hash): Likewise.
8415
8416 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8417
8418         * expr.c (handled_component_p): Constify.
8419         * fold-const.c (fit_double_type): Likewise.
8420         * real.h (real_value_from_int_cst): Likewise.
8421         * tree-flow-inline.h (gimple_in_ssa_p,
8422         gimple_aliases_computed_p, gimple_addressable_vars,
8423         gimple_call_clobbered_vars, gimple_referenced_vars,
8424         gimple_global_var, gimple_nonlocal_all, gimple_var_anns,
8425         end_htab_p, end_referenced_vars_p, var_ann, function_ann,
8426         may_aliases, end_readonly_imm_use_p, has_zero_uses,
8427         has_single_use, single_imm_use, num_imm_uses, is_exec_stmt,
8428         is_label_stmt, is_global_var, phi_ssa_name_p,
8429         factoring_name_p, is_call_clobbered, tree_common_ann,
8430         op_iter_done, end_imm_use_stmt_p, end_imm_use_on_stmt_p,
8431         unmodifiable_var_p, array_ref_contains_indirect_ref,
8432         ref_contains_array_ref, lookup_subvars_for_var,
8433         var_can_have_subvars, overlap_subvar, gimple_ssa_operands,
8434         gimple_mem_ref_stats): Likewise.
8435         * tree-flow.h (tree_common_ann, var_ann, function_ann,
8436         may_aliases, is_exec_stmt, is_label_stmt,
8437         ref_contains_array_ref, array_ref_contains_indirect_ref,
8438         var_can_have_subvars, overlap_subvar, is_call_clobbered,
8439         unmodifiable_var_p): Likewise.
8440         * tree-gimple.c (is_gimple_min_invariant): Likewise.
8441         * tree-gimple.h (is_gimple_min_invariant): Likewise. 
8442         * tree.c (type_hash_list, attribute_hash_list, tree_size,
8443         cst_and_fits_in_hwi, real_value_from_int_cst,
8444         build_real_from_int_cst, integer_zerop, integer_onep,
8445         integer_all_onesp, integer_pow2p, integer_nonzerop, tree_log2,
8446         tree_floor_log2, real_zerop, real_onep, real_twop,
8447         real_minus_onep, really_constant_p, purpose_member, chain_member,
8448         list_length, fields_length, int_size_in_bytes, bit_position,
8449         int_bit_position, byte_position, int_byte_position, expr_align,
8450         array_type_nelts, tree_node_structure,
8451         type_contains_placeholder_1, iterative_hash_pointer,
8452         is_attribute_with_length_p, is_attribute_p, check_qualified_type,
8453         tree_map_base_eq, type_hash_list, type_hash_eq,
8454         attribute_hash_list, type_num_arguments, tree_int_cst_equal,
8455         tree_int_cst_lt, tree_int_cst_compare, host_integerp,
8456         tree_low_cst, tree_int_cst_msb, tree_int_cst_sgn,
8457         simple_cst_list_equal, compare_tree_int, iterative_hash_expr,
8458         int_fits_type_p, get_containing_scope, decl_function_context,
8459         decl_type_context, omp_clause_operand_check_failed,
8460         initializer_zerop, int_cst_value, num_ending_zeros): Likewise.
8461         * tree.h (omp_clause_operand_check_failed, tree_size,
8462         build_real_from_int_cst, array_type_nelts, purpose_member,
8463         tree_int_cst_equal, tree_int_cst_lt, tree_int_cst_compare,
8464         host_integerp, tree_low_cst, tree_int_cst_msb, tree_int_cst_sgn,
8465         is_attribute_p, check_qualified_type, expr_align,
8466         int_size_in_bytes, bit_position, int_bit_position, byte_position,
8467         int_byte_position, list_length, fields_length, initializer_zerop,
8468         integer_zerop, integer_onep, integer_all_onesp, integer_pow2p,
8469         integer_nonzerop, cst_and_fits_in_hwi, num_ending_zeros,
8470         tree_node_structure, handled_component_p, get_containing_scope,
8471         decl_function_context, decl_type_context, real_zerop,
8472         type_num_arguments, fit_double_type, really_constant_p,
8473         int_fits_type_p, tree_log2, tree_floor_log2, iterative_hash_expr,
8474         compare_tree_int, chain_member, simple_cst_list_equal, real_onep,
8475         real_twop, real_minus_onep, int_cst_value): Likewise.
8476
8477 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8478
8479         * cfglayout.c (insn_scope, insn_line): Constify.
8480         * emit-rtl.c (const_int_htab_hash, const_int_htab_eq,
8481         const_double_htab_hash, const_double_htab_eq,
8482         mem_attrs_htab_hash): Likewise.
8483         * loop-iv.c (biv_eq): Likewise.
8484         * print-rtl.c (print_rtx, print_decl_name, print_mem_expr,
8485         print_inline_rtx, debug_rtx, debug_rtx_list, debug_rtx_range,
8486         debug_rtx_find, print_rtl, print_rtl_single, print_simple_rtl):
8487         Likewise. 
8488         * rtl-error.c (location_for_asm, diagnostic_for_asm,
8489         error_for_asm, warning_for_asm, _fatal_insn,
8490         _fatal_insn_not_found): Likewise. 
8491         * rtl.c (rtx_size, shared_const_p, shallow_copy_rtx_stat,
8492         rtx_equal_p, rtl_check_failed_bounds, rtl_check_failed_type1,
8493         rtl_check_failed_type2, rtl_check_failed_code1,
8494         rtl_check_failed_code2, rtl_check_failed_code_mode,
8495         rtvec_check_failed_bounds, rtl_check_failed_flag): Likewise.
8496         * rtl.h (rtl_check_failed_bounds, rtl_check_failed_type1,
8497         rtl_check_failed_type2, rtl_check_failed_code1,
8498         rtl_check_failed_code2, rtl_check_failed_code_mode,
8499         rtvec_check_failed_bounds, rtl_check_failed_flag, LABEL_KIND,
8500         SET_LABEL_KIND, rhs_regno, subreg_lsb, subreg_regno, subreg_nregs,
8501         shared_const_p, rtx_size, shallow_copy_rtx_stat, rtx_equal_p,
8502         get_pool_mode, insn_line, insn_file, simplify_replace_rtx,
8503         mode_signbit_p, rtx_addr_can_trap_p, nonzero_address_p,
8504         rtx_unstable_p, get_integer_term, get_related_value,
8505         offset_within_block_p, reg_mentioned_p, count_occurrences,
8506         reg_referenced_p, reg_used_between_p, no_labels_between_p,
8507         single_set_2, multiple_sets, set_noop_p, refers_to_regno_p,
8508         reg_overlap_mentioned_p, dead_or_set_p, dead_or_set_regno_p,
8509         find_reg_note, find_regno_note, find_reg_equal_equiv_note,
8510         find_constant_src, find_reg_fusage, find_regno_fusage,
8511         pure_call_p, remove_note, side_effects_p, volatile_refs_p,
8512         volatile_insn_p, may_trap_p, may_trap_after_code_motion_p,
8513         may_trap_or_fault_p, inequality_comparisons_p, tablejump_p,
8514         computed_jump_p, auto_inc_p, in_expr_list_p,
8515         remove_node_from_expr_list, loc_mentioned_in_p,
8516         label_is_jump_target_p, reversed_comparison_code_parts,
8517         debug_rtx, debug_rtx_list, debug_rtx_range, debug_rtx_find,
8518         print_mem_expr, print_rtl, print_simple_rtl, print_rtl_single,
8519         print_inline_rtx): Likewise.
8520         * rtlanal.c (covers_regno_p, covers_regno_no_parallel_p,
8521         computed_jump_p_1, nonzero_bits1, rtx_unstable_p,
8522         rtx_addr_can_trap_p_1, rtx_addr_can_trap_p, nonzero_address_p,
8523         get_integer_term, get_related_value, offset_within_block_p,
8524         count_occurrences, reg_mentioned_p, no_labels_between_p,
8525         reg_used_between_p, reg_referenced_p, single_set_2,
8526         multiple_sets, set_noop_p, refers_to_regno_p,
8527         reg_overlap_mentioned_p, dead_or_set_p,
8528         covers_regno_no_parallel_p, covers_regno_p,
8529         dead_or_set_regno_p, find_reg_note, find_regno_note,
8530         find_reg_equal_equiv_note, find_constant_src, find_reg_fusage,
8531         find_regno_fusage, pure_call_p, remove_note, in_expr_list_p,
8532         remove_node_from_expr_list, volatile_insn_p, volatile_refs_p,
8533         side_effects_p, may_trap_p_1, may_trap_p,
8534         may_trap_after_code_motion_p, may_trap_or_fault_p,
8535         inequality_comparisons_p, tablejump_p, computed_jump_p_1,
8536         computed_jump_p, auto_inc_p, loc_mentioned_in_p, subreg_lsb,
8537         subreg_regno, subreg_nregs, label_is_jump_target_p): Likewise.
8538         * simplify-rtx.c (neg_const_int, plus_minus_operand_p,
8539         mode_signbit_p, simplify_replace_rtx, plus_minus_operand_p):
8540         Likewise. 
8541         * toplev.h (_fatal_insn_not_found, _fatal_insn, error_for_asm,
8542         warning_for_asm): Likewise.
8543         * tree.h (print_rtl): Likewise.
8544         * varasm.c (get_pool_mode): Likewise.
8545
8546 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8547
8548         * c-lex.c (c_lex_with_flags, lex_string): Constify.
8549         * c-ppoutput.c (print_line, pp_dir_change): Likewise.
8550         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise.
8551         * cfg.c (bb_copy_original_hash, bb_copy_original_eq): Likewise.
8552         * cfgloop.c (loop_exit_hash, loop_exit_eq): Likewise.
8553         * ddg.c (compare_sccs): Likewise.
8554         * df-scan.c (df_ref_compare, df_mw_compare): Likewise.
8555         * dfp.c (decimal_real_from_string, decimal_to_decnumber,
8556         decimal_to_binary, decimal_do_compare, decimal_real_to_decimal,
8557         decimal_do_fix_trunc, decimal_real_to_integer,
8558         decimal_real_to_integer2, decimal_real_maxval): Likewise.
8559         * dse.c (const_group_info_t): New.
8560         (invariant_group_base_eq, invariant_group_base_hash): Constify.
8561         * dwarf2out.c (const_dw_die_ref): New.
8562         (decl_die_table_hash, decl_die_table_eq, file_info_cmp): Constify.
8563         * tree-browser.c (TB_parent_eq): Likewise.
8564         * unwind-dw2-fde.c (__register_frame_info_bases,
8565         __deregister_frame_info_bases, fde_unencoded_compare, fde_split,
8566         add_fdes, linear_search_fdes, binary_search_unencoded_fdes):
8567         Likewise.
8568         * unwind-dw2-fde.h (get_cie, next_fde): Likewise.
8569         * unwind-dw2.c (uw_frame_state_for): Likewise.
8570         * value-prof.c (histogram_hash, histogram_eq): Likewise.
8571         * value-prof.h (const_histogram_value): New.
8572
8573 2007-07-25  Richard Sandiford  <richard@codesourcery.com>
8574
8575         * config/mips/mips.c (machine_function): Add
8576         initialized_mips16_gp_pseudo_p.
8577         (mips16_gp_pseudo_reg): Do not emit the initialization of
8578         mips16_gp_pseudo_rtx when being called from the gimple cost-
8579         calculation routines; emit it on the first use outside those
8580         routines.
8581
8582 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8583
8584         * coretypes.h (const_bitmap, const_rtx, const_rtvec, const_tree):
8585         New.
8586         
8587         * rtl.h (RTL_CHECK1, RTL_CHECK2, RTL_CHECKC1, RTL_CHECKC2,
8588         RTVEC_ELT, XWINT, XCWINT, XCMWINT, XCNMPRV, BLOCK_SYMBOL_CHECK,
8589         RTL_FLAG_CHECK1, RTL_FLAG_CHECK2, RTL_FLAG_CHECK3,
8590         RTL_FLAG_CHECK4, RTL_FLAG_CHECK5, RTL_FLAG_CHECK6,
8591         RTL_FLAG_CHECK7, RTL_FLAG_CHECK8, LABEL_KIND, SET_LABEL_KIND):
8592         Preserve const-ness of parameters through use of __typeof(),
8593         also constify and tidy.
8594         
8595         * tree.h (TREE_CHECK, TREE_NOT_CHECK, TREE_CHECK2,
8596         TREE_NOT_CHECK2, TREE_CHECK3, TREE_NOT_CHECK3, TREE_CHECK4,
8597         NON_TREE_CHECK4, TREE_CHECK5, TREE_NOT_CHECK5,
8598         CONTAINS_STRUCT_CHECK, TREE_CLASS_CHECK, TREE_RANGE_CHECK,
8599         OMP_CLAUSE_SUBCODE_CHECK, OMP_CLAUSE_RANGE_CHECK, EXPR_CHECK,
8600         GIMPLE_STMT_CHECK, NON_TYPE_CHECK, TREE_VEC_ELT_CHECK,
8601         PHI_NODE_ELT_CHECK, OMP_CLAUSE_ELT_CHECK, TREE_OPERAND_CHECK,
8602         TREE_OPERAND_CHECK_CODE, GIMPLE_STMT_OPERAND_CHECK,
8603         TREE_RTL_OPERAND_CHECK, TREE_CHAIN, TREE_TYPE): Likewise.
8604
8605 2007-07-25  Julian Brown  <julian@codesourcery.com>
8606             Mark Shinwell  <shinwell@codesourcery.com>
8607
8608         * config/alpha/alpha.c (alpha_mangle_fundamental_type): Rename to...
8609         (alpha_mangle_type): This.
8610         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8611         (TARGET_MANGLE_TYPE): Define this instead.
8612         * config/arm/arm-protos.h (arm_mangle_type): Add prototype.
8613         * config/arm/arm.c (TARGET_MANGLE_TYPE): Define target hook.
8614         (arm_init_neon_builtins): Fix comment.
8615         (arm_mangle_map_entry): New.
8616         (arm_mangle_map): New.
8617         (arm_mangle_type): New.
8618         * config/i386/i386.c (ix86_mangle_fundamental_type): Rename to...
8619         (ix86_mangle_type): This. Use TYPE_MAIN_VARIANT and restrict
8620         mangled types to VOID_TYPE, BOOLEAN_TYPE, INTEGER_TYPE, REAL_TYPE.
8621         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8622         (TARGET_MANGLE_TYPE): Define this instead.
8623         * config/ia64/ia64.c (ia64_mangle_fundamental_type): Rename to...
8624         (ia64_mangle_type): This. Use TYPE_MAIN_VARIANT  and restrict
8625         mangled types to VOID_TYPE, BOOLEAN_TYPE, INTEGER_TYPE, REAL_TYPE.
8626         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8627         (TARGET_MANGLE_TYPE): Define this instead.
8628         * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Rename
8629         to...
8630         (rs6000_mangle_type): This. Use TYPE_MAIN_VARIANT.
8631         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8632         (TARGET_MANGLE_TYPE): Define this instead.
8633         * config/s390/s390.c (s390_mangle_fundamental_type): Rename to...
8634         (s390_mangle_type): This.
8635         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8636         (TARGET_MANGLE_TYPE): Define this instead.
8637         * config/sparc/sparc.c (sparc_mangle_fundamental_type): Rename to...
8638         (sparc_mangle_type): This.
8639         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8640         (TARGET_MANGLE_TYPE): Define this instead.
8641         * cp/mangle.c (write_type): Call mangle_type target hook on all
8642         types before mangling.  Use original type, not main variant, as
8643         argument.
8644         * target-def.h (TARGET_MANGLE_FUNDAMENTAL_TYPE): Rename hook to...
8645         (TARGET_MANGLE_TYPE): This.
8646         * target.h (gcc_target): Rename mangle_fundamental_type to
8647         mangle_type.
8648         * doc/tm.texi (TARGET_MANGLE_FUNDAMENTAL_TYPE): Rename section to...
8649         (TARGET_MANGLE_TYPE): This. Note slightly different semantics.
8650
8651 2007-07-25  Julian Brown  <julian@codesourcery.com>
8652             Paul Brook  <paul@codesourcery.com>
8653             Joseph Myers  <joseph@codesourcery.com>
8654             Mark Shinwell  <shinwell@codesourcery.com>
8655
8656         * Makefile.in (TEXI_GCC_FILES): Add arm-neon-intrinsics.texi.
8657         * config.gcc (arm*-*-*): Add arm_neon.h to extra headers.
8658         (with_fpu): Allow --with-fpu=neon.
8659         * config/arm/aof.h (ADDITIONAL_REGISTER_NAMES): Add Q0-Q15.
8660         * config/arm/aout.h (ADDITIONAL_REGISTER_NAMES): Add Q0-Q15.
8661         * config/arm/arm-modes.def (EI, OI, CI, XI): New modes.
8662         * config/arm/arm-protos.h (neon_immediate_valid_for_move)
8663         (neon_immediate_valid_for_logic, neon_output_logic_immediate)
8664         (neon_pairwise_reduce, neon_expand_vector_init, neon_reinterpret)
8665         (neon_emit_pair_result_insn, neon_disambiguate_copy)
8666         (neon_vector_mem_operand, neon_struct_mem_operand, output_move_quad)
8667         (output_move_neon): Add prototypes.
8668         * config/arm/arm.c (FL_NEON): New flag for NEON processor capability.
8669         (all_fpus): Add FPUTYPE_NEON.
8670         (fp_model_for_fpu): Add NEON field.
8671         (arm_return_in_memory): Return vectors <= 16 bytes in ARM registers.
8672         (arm_arg_partial_bytes): Allow NEON vectors to be passed partially
8673         in registers.
8674         (arm_legitimate_address_p): Don't support fancy addressing for NEON
8675         structure moves.
8676         (thumb2_legitimate_address_p): Likewise.
8677         (neon_valid_immediate): Recognize and prepare constants suitable for
8678         NEON instructions.
8679         (neon_immediate_valid_for_move): New function. Recognize and prepare
8680         immediates for NEON move instructions.
8681         (neon_immediate_valid_for_logic): New function. Recognize and
8682         prepare immediates for NEON logic instructions.
8683         (neon_output_logic_immediate): New function. Create asm string
8684         suitable for outputting immediate logic instructions.
8685         (neon_pairwise_reduce): New function. Implement reduction using
8686         pairwise operations.
8687         (neon_expand_vector_init): New function. Expand a (possibly
8688         non-constant) vector initialization.
8689         (neon_vector_mem_operand): New function. Memory operands supported
8690         for quad-word loads/stores to/from ARM or NEON registers. Don't
8691         allow base+offset addressing for core regs.
8692         (neon_struct_mem_operand): New function. Valid mems for NEON
8693         structure moves.
8694         (coproc_secondary_reload_class): Enable NEON registers to be loaded
8695         from neon_vector_mem_operand addresses without a secondary register.
8696         (add_minipool_forward_ref): Handle >8-byte minipool entries.
8697         (add_minipool_backward_ref): Likewise.
8698         (dump_minipool): Likewise.
8699         (push_minipool_fix): Likewise.
8700         (output_move_quad): New function. Output quad-word moves, loads and
8701         stores using ARM registers.
8702         (output_move_vfp): Add support for vectors in VFP (NEON) D
8703         registers.
8704         (output_move_neon): Output a NEON load/store to/from a quadword
8705         register.
8706         (arm_print_operand): Implement new codes:
8707         - 'c' for unadorned integers (without a # sign).
8708         - 'J', 'K' for reg+2/reg+3, reg+3/reg+2 in little/big-endian
8709         mode.
8710         - 'e', 'f' for the low and high D parts of a NEON Q register.
8711         - 'q' outputs a NEON Q register.
8712         - 'h' outputs ranges of D registers for VLDM/VSTM etc.
8713         - 'T' prints NEON opcode features from a coded bitmask.
8714         - 'F' is similar to T, but signed/unsigned codes both print as
8715         'i'.
8716         - 't' is similar to T, but 'u' is printed instead of 'p'.
8717         - 'O' prints 'r' if NEON instruction should perform rounding (as
8718         specified by bitmask), else prints nothing.
8719         - '#' is a punctuation character to stop operand numbers from
8720         running together with following digits in the assembler
8721         strings for instructions (when using mode attributes).
8722         (arm_assemble_integer): Handle extra NEON vector modes. Permute
8723         constant vectors in big-endian mode, where necessary.
8724         (arm_hard_regno_mode_ok): Allow vectors in VFP/NEON registers.
8725         Handle EI, OI, CI, XI modes.
8726         (ashlv4hi3, ashlv2si3, lshrv4hi3, lshrv2si3, ashrv4hi3)
8727         (ashrv2si3): Rename IWMMXT2_BUILTINs to...
8728         (ashlv4hi3_iwmmxt, ashlv2si3_iwmmxt, lshrv4hi3_iwmmxt)
8729         (lshrv2si3_iwmmxt, ashrv4hi3_iwmmxt, ashrv2si3_iwmmxt): New names.
8730         (neon_builtin_type_bits): Add enumeration, one bit for each vector
8731         type.
8732         (v8qi_UP, v4hi_UP, v2si_UP, v2sf_UP, di_UP, v16qi_UP, v8hi_UP)
8733         (v4si_UP, v4sf_UP, v2di_UP, ti_UP, ei_UP, oi_UP, UP): Define macros
8734         to turn v8qi, etc. into bits defined above.
8735         (neon_itype): New enumeration. Classifications of NEON builtins.
8736         (neon_builtin_datum): Define struct. Contains information about
8737         a single builtin (with multiple modes).
8738         (CF): Define helper macro for...
8739         (VAR1...VAR10): Define builtins with a type, name and 1-10 different
8740         modes.
8741         (neon_builtin_data): New array. Define information about builtins
8742         for use during initialization/expansion.
8743         (arm_init_neon_builtins): New function.
8744         (arm_init_builtins): Call arm_init_neon_builtins if TARGET_NEON is
8745         true.
8746         (neon_builtin_compare): New function.
8747         (locate_neon_builtin_icode): New function. Find an insn code for a
8748         builtin given a function code for that builtin. Also return type of
8749         builtin (NEON_BINOP, NEON_UNOP etc.).
8750         (builtin_arg): New enumeration. Types of arguments for builtins.
8751         (arm_expand_neon_args): New function. Expand a generic NEON builtin.
8752         Takes a variable argument list of builtin_arg types, terminated by
8753         NEON_ARG_STOP.
8754         (arm_expand_neon_builtin): New function. Expand a NEON builtin.
8755         (neon_reinterpret): New function. Expand NEON reinterpret intrinsic.
8756         (neon_emit_pair_result_insn): New function. Support returning pairs
8757         of vectors via a pointer.
8758         (neon_disambiguate_copy): New function. Set up operands for a
8759         multi-word copy such that registers do not get clobbered.
8760         (arm_expand_builtin): Call arm_expand_neon_builtin if fcode >=
8761         ARM_BUILTIN_NEON_BASE.
8762         (arm_file_start): Set float-abi attribute for NEON.
8763         (arm_vector_mode_supported_p): Enable NEON vector modes.
8764         (arm_mangle_map_entry): New.
8765         (arm_mangle_map): New.
8766         (arm_mangle_vector_type): New.
8767         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __ARM_NEON__
8768         when appropriate.
8769         (TARGET_NEON): New macro. Target supports NEON.
8770         (fputype): Add FPUTYPE_NEON.
8771         (UNITS_PER_SIMD_WORD): Define. Allow quad-word registers to be used
8772         for vectorization based on command-line arg.
8773         (NEON_REGNO_OK_FOR_NREGS): Define.
8774         (VALID_NEON_DREG_MODE, VALID_NEON_QREG_MODE)
8775         (VALID_NEON_STRUCT_MODE): Define.
8776         (PRINT_OPERAND_PUNCT_VALID_P): '#' is valid punctuation.
8777         (arm_builtins): Add ARM_BUILTIN_NEON_BASE.
8778         * config/arm/arm.md (VUNSPEC_POOL_16): Insert constant for unspec.
8779         (consttable_16): Add pattern for outputting 16-byte minipool
8780         entries.
8781         (movv2si, movv4hi, movv8qi): Remove blank expanders (redefined in
8782         vec-common.md).
8783         (vec-common.md, neon.md): Include md files.
8784         * config/arm/arm.opt (mvectorize-with-neon-quad): Add option.
8785         * config/arm/constraints.md (constraint "Dn", "Dl", "DL"): Define.
8786         (memory_constraint "Ut", "Un", "Us"): Define.
8787         * config/arm/iwmmxt.md (VMMX, VSHFT): New mode macros.
8788         (MMX_char): New mode attribute.
8789         (addv8qi3, addv4hi3, addv2si3): Remove. Replace with...
8790         (*add<mode>3_iwmmxt): New insn pattern.
8791         (subv8qi3, subv4hi3, subv2si3): Remove. Replace with...
8792         (*sub<mode>3_iwmmxt): New insn pattern.
8793         (mulv4hi3): Rename to...
8794         (*mulv4hi3_iwmmxt): This.
8795         (smaxv8qi3, smaxv4hi3, smaxv2si3, umaxv8qi3, umaxv4hi3)
8796         (umaxv2si3, sminv8qi3, sminv4hi3, sminv2si3, uminv8qi3)
8797         (uminv4hi3, uminv2si3): Remove. Replace with...
8798         (*smax<mode>3_iwmmxt, *umax<mode>3_iwmmxt, *smin<mode>3_iwmmxt)
8799         (*umin<mode>3_iwmmxt): These.
8800         (ashrv4hi3, ashrv2si3, ashrdi3_iwmmxt): Replace with...
8801         (ashr<mode>3_iwmmxt): This new pattern.
8802         (lshrv4hi3, lshrv2si3, lshrdi3_iwmmxt): Replace with...
8803         (lshr<mode>3_iwmmxt): This new pattern.
8804         (ashlv4hi3, ashlv2si3, ashldi3_iwmmxt): Replace with...
8805         (ashl<mode>3_iwmmxt): This new pattern.
8806         * config/arm/neon-docgen.ml: New file. Generate documentation for
8807         intrinsics.
8808         * config/arm/neon-gen.ml: New file. Generate arm_neon.h header.
8809         * config/arm/arm_neon.h: New (autogenerated).
8810         * config/arm/neon-testgen.ml: New file. Generate NEON tests
8811         automatically.
8812         * config/arm/neon.md: New file. Define NEON instructions.
8813         * config/arm/neon.ml: New file. Abstract description of NEON
8814         instructions, used to generate arm_neon.h header, documentation and
8815         tests.
8816         * config/arm/t-arm (MD_INCLUDES): Add vec-common.md, neon.md.
8817         * vec-common.md: New file. Shared parts for iWMMXt and NEON vector
8818         support.
8819         * doc/extend.texi (ARM Built-in Functions): Rename and remove
8820         extraneous comma.
8821         (ARM NEON Intrinsics): New subsection.
8822         * doc/arm-neon-intrinsics.texi: New (autogenerated).
8823
8824 2007-07-25  Danny Smith   <dannysmith@users.sourceforge.net>
8825
8826         * config/i386/i386-protos.h (i386_pe_asm_file_end): Remove
8827         prototype.
8828
8829 2007-07-24  Jan Hubicka  <jh@suse.cz>
8830
8831         * regclass.c (move_table): New type.
8832         (move_cost, may_move_in_cost, may_move_out_cost): Use it.
8833         (init_move_cost): Break out from ...
8834         (init_reg_sets_1): ... here; simplify computation of
8835         have_regs-of_mode and contains_reg_of_mode.
8836         (record_reg_classes): Unswitch internal loops.
8837         (copy_cost): Trigger lazy initialization of move cost
8838         (record_address_regs): Likewise.
8839
8840 2007-07-24  Daniel Berlin  <dberlin@dberlin.org>
8841
8842         * config/darwin.c (darwin_override_options): Don't force on
8843         flag_var_tracking_uninit when no debug info is requested.
8844
8845 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
8846
8847         * cfgloop.c (init_loops_structure): New function.
8848         (flow_loops_find): Create root of the loop tree unconditionally.
8849
8850 2007-07-24  Daniel Jacobowitz  <dan@codesourcery.com>
8851
8852         * tree-ssa-ccp.c (fold_const_aggregate_ref): Use fold_convert.
8853
8854 2007-07-24  Jan Hubicka  <jh@suse.cz>
8855
8856         * caller-save.c: Include ggc.h, gt-caller-save.h
8857         (reg_save_code, reg_restore_code): Rename to ...
8858         (cached_reg_save_code, cached_reg_restore_code): ... those.
8859         (savepat, restpat, test_reg, test_mem, saveinsn, restinsn): New.
8860         (reg_save_code, reg_restore_code): New functions.
8861         (init_caller_save): Do not intialize
8862         reg_save_code/reg_restore_code tables.
8863         * Makefile.in: (gt-caller-save.h): New.
8864
8865 2007-07-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8866
8867         * tree-ssa-ifcombine.c (ifcombine_ifandif): Use a ONE operand
8868         with the mode of the original operand instead of
8869         integer_one_node.
8870
8871 2007-07-23  Jan Hubicka  <jH@suse.cz>
8872
8873         * i386.c (ix86_secondary_memory_needed): Break out to...
8874         (inline_secondary_memory_needed): ... here.
8875         (ix86_memory_move_cost): Break out to ...
8876         (inline_memory_move_cost): ... here; add support for IN value of 2 for
8877         maximum of input and output; fix handling of Q_REGS on 64bit.
8878         (ix86_secondary_memory_needed): Microoptimize.
8879
8880 2007-07-23  Sebastian Pop  <sebpop@gmail.com>
8881
8882         * tree-data-ref.c (find_vertex_for_stmt, create_rdg_edge_for_ddr,
8883         create_rdg_edges_for_scalar, create_rdg_edges, create_rdg_vertices,
8884         stmts_from_loop, known_dependences_p, build_rdg): New.
8885         * tree-data-ref.h: Depends on graphds.h.
8886         (rdg_vertex, RDGV_STMT, rdg_dep_type, rdg_edge, RDGE_TYPE): New.
8887         (build_rdg): Declared.
8888         * Makefile.in (TREE_DATA_REF_H): Depends on graphds.h.
8889
8890 2007-07-23  Daniel Berlin  <dberlin@dberlin.org>
8891
8892         * tree-ssa-propagate.c (valid_gimple_expression_p): Match up with
8893         ccp_min_invariant.
8894
8895 2007-07-23  Peter Bergner  <bergner@vnet.ibm.com>
8896             Jakub Jelinek  <jakub@redhat.com>
8897
8898         PR middle-end/PR28690
8899         * optabs.c (expand_binop): (emit_cmp_and_jump_insns): Allow
8900         EQ compares.
8901         * rtlanal.c (commutative_operand_precedence): Prefer both REG_POINTER
8902         and MEM_POINTER operands over REG and MEM operands.
8903         (swap_commutative_operands_p): Change return value to bool.
8904         * rtl.h: Update the corresponding prototype.
8905         * tree-ssa-address.c (gen_addr_rtx): Use simplify_gen_binary
8906         instead of gen_rtx_PLUS.
8907         * simplify-rtx.c (simplify_plus_minus_op_data_cmp): Change return
8908         value to bool.  Change function arguments to rtx's and update code
8909         to match.
8910         (simplify_plus_minus): Update the simplify_plus_minus_op_data_cmp
8911         calls to match the new declaration.
8912         * simplify-rtx.c (simplify_associative_operation): Don't
8913         reorder simplify_binary_operation arguments.
8914
8915 2007-07-23  Richard Sandiford  <richard@codesourcery.com>
8916
8917         * config/mips/mips.c (override_options): Use mips_costs to derive
8918         the default branch cost.
8919         * config/mips/mips.h (BRANCH_COST): Use mips_branch_cost rather
8920         than mips_costs.
8921         * config/mips/mips.opt (mbranch-cost=): New option.
8922         * doc/invoke.texi (-mbranch-cost): Document new MIPS option.
8923
8924 2007-07-23  Richard Sandiford  <richard@codesourcery.com>
8925
8926         * config/mips/mips.h (GR_REG_CLASS_P, COP_REG_CLASS_P): Delete.
8927         (SECONDARY_MEMORY_NEEDED): Delete commented-out definition.
8928         * config/mips/mips.c (mips_register_move_cost): Use reg_class_subset_p
8929         instead of GR_REG_CLASS_P and COP_REG_CLASS_P.
8930
8931 2007-07-23  Richard Sandiford  <richard@codesourcery.com>
8932
8933         * config/mips/constraints.md (ks): New constraint.
8934         * config/mips/mips.md (*add<mode>3_sp1, *add<mode>3_sp2): Fold into...
8935         (*add<mode>3_mips16): ...here.
8936
8937 2007-07-21  Uros Bizjak  <ubizjak@gmail.com>
8938
8939         * optabs.h (enum optab_index): Add new OTI_signbit.
8940         (signbit_optab): Define corresponding macro.
8941         (enum insn_code signbit_optab[]): Remove array.
8942         * optabs.c (init_optabs): Initialize signbit_optab using init_optab.
8943         (expand_copysign_absneg): If back end provides signbit insn, use it
8944         instead of bit operations on floating point argument.
8945         * builtins.c (enum insn_code signbit_optab[]): Remove array.
8946         (expand_builtin_signbit): Check signbit_optab->handlers[].insn_code
8947         for availability of signbit insn.
8948
8949         * config/i386/i386.md (signbit<mode>2): New insn pattern to implement
8950         signbitf, signbit and signbitl built-ins as inline x87 intrinsics when
8951         SSE mode is not active.
8952         (isinf<mode>2): Disable for mfpmath=sse,387.
8953
8954 2007-07-22  Ben Elliston  <bje@au.ibm.com>
8955
8956         * regclass.c (invalid_mode_change_p): Attach ATTRIBUTE_UNUSED to
8957         `class' parameter.
8958         * struct-equiv.c (note_local_live): Likewise for `y_regno'.
8959
8960 2007-07-20  Richard Guenther  <rguenther@suse.de>
8961
8962         * tree-cfg.c (verify_expr): COND_EXPRs can have any
8963         integral typed condition.
8964         * tree-ssa.c (useless_type_conversion_p): Do not preserve
8965         booleanness.  Only preserve conversions from a non-base
8966         type to a base type, not in general between types with
8967         different TYPE_MIN_VALUE or TYPE_MAX_VALUE.
8968         * tree.def (COND_EXPR): Document that the condition
8969         can be of any integral type.
8970
8971 2007-07-20  Nigel Stephens  <nigel@mips.com>
8972             Richard Sandiford  <richard@codesourcery.com>
8973
8974         * config/mips/mips.h (mips_dwarf_regno): Declare.
8975         (DBX_REGISTER_NUMBER): Remove redundant brackets.
8976         (HI_REGNUM, LO_REGNUM): Define in an endian-dependent way.
8977         (AC1HI_REGNUM, AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM)
8978         (AC3HI_REGNUM, AC3LO_REGNUM, ACC_HI_REG_P): Delete.
8979         (reg_class): Rename HI_REG to MD0_REG and LO_REG to MD1_REG.
8980         (REG_CLASS_NAMES): Update accordingly.
8981         * config/mips/mips.c (mips_dwarf_regno): New array.
8982         (mips_regno_to_class): Rename HI_REG to MD0_REG and LO_REG to MD1_REG.
8983         (mips_subword): Remove special handling for accumulator registers.
8984         (override_options): Initiailize mips_dwarf_regno.  Remove use
8985         of ACC_HI_REG_P.
8986         (mips_swap_registers): New function.
8987         (mips_conditional_register_usage): Swap accumulator registers
8988         around if TARGET_LITTLE_ENDIAN.
8989         (mips_cannot_change_mode_class): Remove special treatment of ACC_REGS.
8990         * config/mips/constraints.md (h, l): Use the endianness to choose
8991         between MD0_REG and MD1_REG.
8992         * config/mips/mips.md (*mfhilo_<mode>_macc): Use a fixed-string,
8993         alternative-dependent template.
8994
8995 2007-07-20  Richard Sandiford  <richard@codesourcery.com>
8996
8997         * config/arm/arm.md (movsi): Use can_create_pseudo_p instead of
8998         no_new_pseudos.
8999
9000 2007-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9001
9002         * function.c (thread_prologue_and_epilogue_insns): Fix exit
9003         predecessor fallthru flags.
9004
9005 2007-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9006
9007         * tree-ssa-loop-niter.c (assert_loop_rolls_lt): Convert the operands
9008         of compare to the same type.
9009         * cfgloopmanip.c (add_loop): Update information about loop exits.
9010         (loop_version): Remove the innermost loop requirement.
9011         * tree-ssa-loop-manip.c (determine_exit_conditions): Convert bounds
9012         to sizetype for pointers.
9013
9014 2007-07-18  H.J. Lu  <hongjiu.lu@intel.com>
9015
9016         * Makefile.in (D32PBIT_FUNCS): Add _sd_to_tf and _tf_to_sd.
9017         (D64PBIT_FUNCS): Add _dd_to_tf and _tf_to_dd.
9018         (D128PBIT_FUNCS): Add _td_to_tf and _tf_to_td.
9019
9020         * config/dfp-bit.c: Empty for TFmode conversions.
9021
9022 2007-07-18  Caroline Tice  <ctice@apple.com>
9023         
9024         * var-tracking.c (find_src_status): Check for  COND_EXEC insns
9025         and handle them correctly; check that src is not NULL before
9026         trying to use it.
9027         (find_src_set_src): Likewise.
9028         
9029 2007-07-18  Bob Wilson  <bob.wilson@acm.org>
9030         
9031         * config/xtensa/xtensa.c (xtensa_expand_mask_and_shift): New.
9032         (struct alignment_context, init_alignment_context): New.
9033         (xtensa_expand_compare_and_swap, xtensa_expand_atomic): New.
9034         * config/xtensa/xtensa.h (XCHAL_HAVE_RELEASE_SYNC): Add default.
9035         (XCHAL_HAVE_S32C1I): Likewise.
9036         (TARGET_RELEASE_SYNC, TARGET_S32C1I): New.
9037         * config/xtensa/xtensa.md (UNSPECV_MEMW): New constant.
9038         (UNSPECV_S32RI, UNSPECV_S32C1I): Likewise.
9039         (ATOMIC, HQI): New macros.
9040         (memory_barrier, *memory_barrier): New.
9041         (sync_lock_releasesi): New.
9042         (sync_compare_and_swapsi, sync_compare_and_swap<mode>): New.
9043         (sync_lock_test_and_set<mode>): New.
9044         (sync_<atomic><mode>): New.
9045         (sync_old_<atomic><mode>, sync_new_<atomic><mode>): New.
9046         * config/xtensa/xtensa-protos.h (xtensa_expand_compare_and_swap): New.
9047         (xtensa_expand_atomic): New.
9048         
9049 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9050
9051         PR target/30652
9052
9053         * builtins.c (expand_builtin_interclass_mathfn): Provide a generic
9054         transformation for builtin ISNORMAL.
9055         (expand_builtin): Handle BUILT_IN_ISNORMAL.
9056         * builtins.def (BUILT_IN_ISNORMAL): New.
9057         * doc/extend.texi: Document isnormal.
9058
9059 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9060
9061         PR target/30652
9062
9063         * builtins.c (expand_builtin_interclass_mathfn): Allow for missing
9064         optabs infrastructure.  Provide generic implementation for
9065         FINITE/ISFINITE.
9066         (expand_builtin): Handle FINITE/ISFINITE.
9067         (fold_builtin_classify): Make ISFINITE canonical instead of FINITE.
9068         (fold_builtin_1): Likewise.
9069
9070         * builtins.def (BUILT_IN_ISFINITE): New.
9071
9072         * doc/extend.texi: Document isfinite.
9073
9074 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9075
9076         PR target/30652
9077         PR middle-end/20558
9078
9079         * builtins.c (expand_builtin_interclass_mathfn): Provide a
9080         generic fallback for isinf.
9081         * c-cppbuiltin.c (builtin_define_float_constants): Move FP max
9082         calculation code ...
9083         * real.c (get_max_float): ... to here.
9084         * real.h (get_max_float): New.
9085
9086 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9087
9088         PR middle-end/32668
9089
9090         * builtin-attrs.def (ATTR_TYPEGENERIC,
9091         ATTR_CONST_NOTHROW_TYPEGENERIC): New.
9092
9093         * builtins.def (BUILT_IN_ISINF, BUILT_IN_ISNAN,
9094         BUILT_IN_ISGREATER, BUILT_IN_ISGREATEREQUAL, BUILT_IN_ISLESS,
9095         BUILT_IN_ISLESSEQUAL, BUILT_IN_ISLESSGREATER,
9096         BUILT_IN_ISUNORDERED): Use ATTR_CONST_NOTHROW_TYPEGENERIC.
9097
9098         * c-common.c (handle_type_generic_attribute): New.
9099         (c_common_attribute_table): Add "type generic".
9100
9101         * c-typeck.c (convert_arguments): Handle "type generic" functions.
9102
9103 2007-07-18  Daniel Berlin  <dberlin@dberlin.org>
9104
9105         * tree-ssa-sccvn.c (try_to_simplify): Use valid_gimple_expression
9106         * tree-ssa-propagate (valid_gimple_expression): Handle ADDR_EXPR
9107         properly.
9108
9109 2007-07-18  Rask Ingemann Lambertsen  <rask@sygehus.dk>
9110
9111         PR target/32808
9112         * config/cris/cris.c (cris_print_index): Don't use XEXP before
9113         checking that the operand is an expression.
9114
9115 2007-07-19  Christoph von Wittich  <Christoph_vW@reactos.org>
9116             Danny Smith  <dannysmith@users.sourceforge.net>
9117
9118         PR/other 30335
9119         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Put
9120         file mapping object in local namespace if Windows version later
9121         than NT4
9122
9123 2007-07-18  Richard Sandiford  <richard@codesourcery.com>
9124
9125         * config/arm/arm-protos.h (arm_cannot_force_const_mem): Declare.
9126         * config/arm/arm.c (TARGET_CANNOT_FORCE_CONST_MEM): Redefine to
9127         arm_cannot_force_const_mem.
9128         (arm_cannot_force_const_mem): New function.
9129         * config/arm/arm.h (ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): New macro.
9130         (LEGITIMATE_CONSTANT_P): Test arm_cannot_force_const_mem instead
9131         of arm_tls_referenced_p.
9132         * config/arm/arm.md (movsi): Split out-of-section constants when
9133         ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P.
9134         * config/arm/vxworks.h (ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
9135
9136 2007-07-18  Richard Sandiford  <richard@codesourcery.com>
9137
9138         * config/mips/mips.md (clear_cache): Treat the size argument as Pmode.
9139
9140 2007-07-18  Richard Sandiford  <richard@codesourcery.com>
9141
9142         * config/mips/mips.md (*extendqihi2): Convert the destination
9143         to SImode.
9144
9145 2007-07-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9146
9147         * config/pa/fptr.c: Update license header.
9148         * config/pa/milli64.S: Likewise.
9149
9150 2007-07-17  Nick Clifton  <nickc@redhat.com>
9151
9152         * COPYING_v3: New file.  Contains version 3 of the GNU General
9153         Public License.
9154         * COPYING.LIB_v3: New file.  Contains version 3 of the GNU
9155         Lesser General Public License.
9156         * doc/include/gpl_v3.texi: New file.  Contains version 3 of
9157         the GNU General Public License.
9158
9159 2007-07-17  Zdenek Dvorak  <dvorakz@suse.cz>
9160
9161         PR rtl-optimization/32773
9162         * cfglayout.c (force_one_exit_fallthru): New function.
9163         (cfg_layout_finalize): Use it.
9164
9165 2007-07-16  Richard Guenther  <rguenther@suse.de>
9166             Uros Bizjak  <ubizjak@gmail.com>
9167
9168         * tree-if-conv.c (find_phi_replacement_condition): Unshare "*cond"
9169         before forcing it to gimple operand.
9170
9171 2007-07-16  Sandra Loosemore  <sandra@codesourcery.com>
9172             David Ung  <davidu@mips.com>
9173
9174         * config/mips/mips.h (TUNE_24K): Define.
9175         (TUNE_MACC_CHAINS): Add TUNE_24K.
9176         * config/mips/mips.md: (*mul_acc_si, *mul_sub_si): Change type to
9177         imadd.
9178         * config/mips/74k.md (r74k_int_mult): Split madd/msub to ..
9179         (r74k_int_madd): .. this new reservation.
9180         (define_bypass): Fixed bypasses for r74k_int_madd to use
9181         mips_linked_madd_p.
9182         * config/mips/24k.md (define_bypass): Define new
9183         r24k_int_mul3->r24k_int_madd bypass using mips_linked_madd_p.
9184
9185 2007-07-16  Sandra Loosemore  <sandra@codesourcery.com>
9186             Nigel Stephens  <nigel@mips.com>
9187
9188         * config/mips/mips.md: Include 20kc.md.
9189         * config/mips/20kc.md: New file.
9190         * config/mips/mips.c (mips_rtx_cost_data): Fill in 20Kc costs.
9191         (mips_adjust_cost): Tweak for 20Kc.
9192         (mips_issue_rate): Likewise.
9193         * config/mips/mips.h (TUNE_20KC): Define.
9194
9195 2007-07-16  David Edelsohn  <edelsohn@gnu.og>
9196
9197         * config/rs6000/rs6000.c (struct processor_cost): Add
9198         cache_line_size, l1_cache_lines, and simultaneous_prefetches
9199         fields.
9200         (*_cost): Add cache information.
9201         (rs6000_override_options): Set cache parameters.
9202
9203 2007-07-16  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9204
9205         PR bootstrap/3456
9206         * config.gcc (mips-sgi-irix[56]*): Enable pthread support.
9207         * doc/install.texi (mips-sgi-irix6): pthread support works now.
9208
9209 2007-07-16  Paul Brook  <paul@codesourcery.com>
9210
9211         PR target/32753
9212         * config/arm/cirrus.md (cirrus_arm_movsi_insn): Remove dead insn.
9213         (cirrus_thumb2_movsi_insn): Ditto.
9214
9215 2007-07-15  Geoffrey Keating  <geoffk@apple.com>
9216
9217         * config/rs6000/darwin-fallback.c (interpret_libc): Change
9218         CR2_REGNO to R_CR2.
9219
9220 2007-07-15  Andrew Haley  <aph@redhat.com>
9221
9222         * unwind-sjlj.c (_Unwind_GetIPInfo): Check for context->fc != NULL
9223         before looking in the context.
9224
9225 2007-07-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9226
9227         PR middle-end/32398
9228         PR middle-end/32769
9229         * pa-protos.h (pa_eh_return_handler_rtx): Declare.
9230         * pa.c (pa_extra_live_on_entry, rp_saved): Declare.
9231         (TARGET_EXTRA_LIVE_ON_ENTRY): Define.
9232         (pa_output_function_prologue): Use rp_saved and
9233         current_function_is_leaf to generate .CALLINFO statement.
9234         (hppa_expand_prologue): Set rp_saved.
9235         (hppa_expand_epilogue): Use rp_saved.
9236         (pa_extra_live_on_entry, pa_eh_return_handler_rtx): New functions.
9237         * pa.h (EH_RETURN_HANDLER_RTX): Use pa_eh_return_handler_rtx.
9238
9239 2007-07-14  Dirk Mueller  <dmueller@suse.de>
9240
9241         * omega.c (coalesce): Fix memory leak on early exit.
9242         * matrix-reorg.c (check_allocation_function): Likewise.
9243         * tree-vect-transform.c (vect_get_new_vect_var): free result
9244         of concat().
9245         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
9246         pass pointer to edge vector
9247         (partition_hot_cold_basic_blocks): Fix memory leak.
9248         * collect2.c (prefix_from_string): Free temporary storage.
9249         * reload1.c (fixup_abnormal_edges): Free sbitmap.
9250
9251 2007-07-14  Kaz Kojima  <kkojima@gcc.gnu.org>
9252
9253         * config/sh/sh.h (DO_GLOBAL_CTORS_BODY): Add void to prototype.
9254         (DO_GLOBAL_DTORS_BODY): Likewise.
9255
9256 2007-07-14  Sandra Loosemore  <sandra@codesourcery.com>
9257             Nigel Stephens  <nigel@mips.com>
9258
9259         * config/mips/mips.c (mips_classify_symbol): Don't return
9260         SYMBOL_SMALL_DATA for constant pool addresses if
9261         TARGET_EMBEDDED_DATA is true.
9262
9263 2007-07-14  Uros Bizjak  <ubizjak@gmail.com>
9264
9265         * config/i386/i386.c (init_mmx_sse_builtins): Define all builtins
9266         except __builtin_ia32_emms, __builtin_ia32_ldmxcsr,
9267         __builtin_ia32_stmxcsr, __builtin_ia32_maskmovq, __builtin_ia32_loadups,
9268         __builtin_ia32_storeups, __builtin_ia32_loadhps, __builtin_ia32_loadlps,
9269         __builtin_ia32_storehps, __builtin_ia32_storelps,
9270         __builtin_ia32_movntps, __builtin_ia32_movntq, __builtin_ia32_sfence,
9271         __builtin_ia32_femms, __builtin_ia32_maskmovdqu, __builtin_ia32_loadupd,
9272         __builtin_ia32_storeupd, __builtin_ia32_loadhpd, __builtin_ia32_loadlpd,
9273         __builtin_ia32_movnti, __builtin_ia32_movntpd, __builtin_ia32_movntdq,
9274         __builtin_ia32_clflush, __builtin_ia32_lfence, __builtin_ia32_mfence,
9275         __builtin_ia32_loaddqu, __builtin_ia32_storedqu, __builtin_ia32_monitor,
9276         __builtin_ia32_mwait, __builtin_ia32_lddqu, __builtin_ia32_movntdqa,
9277         __builtin_ia32_movntsd and __builtin_ia32_movntss as const builtins
9278         using def_builtin_const.
9279
9280 2007-07-14  Eric Botcazou  <ebotcazou@adacore.com>
9281
9282         PR tree-optimization/32705
9283         * tree-ssa-sccvn.c (set_ssa_val_to): Accept VN_TOP as value number.
9284         (simplify_binary_expression): Use SSA_VAL consistently.
9285
9286 2007-07-13  David Edelsohn  <edelsohn@gnu.org>
9287
9288         * config/rs6000/spe.md (SPE_ACC_REGNO): Delete definition.
9289         (SPEFSCR_REGNO): Delete definition.
9290         * config/rs6000/rs6000.c: LINK_REGISTER_REGNUM -> LR_REGNO.
9291         COUNT_REGISTER_REGNUM -> CTR_REGNO.
9292         * config/rs6000/rs6000.h: Do not define *_REGNO.
9293         LINK_REGISTER_REGNUM -> LR_REGNO.
9294         COUNT_REGISTER_REGNUM -> CTR_REGNO.
9295         * config/rs6000/predicates.md: LINK_REGISTER_REGNUM ->  LR_REGNO.
9296         COUNT_REGISTER_REGNUM -> CTR_REGNO.
9297         * config/rs6000/linux-unwind.h: Define R_LR, R_CR2, R_VR0,
9298         R_VRSAVE, R_VSCR. Use them.
9299         * config/rs6000/darwin-fallback.c: Define R_LR, R_CTR, R_CR2,
9300         R_XER, R_VR0, R_VRSAVE, R_VSCR, R_SPEFSCR.  Use them.
9301         * config/rs6000/rs6000.md: Define REGNO constants.  Use them.
9302         * config/rs6000/aix.h: Define R_LR.  Use it.
9303         
9304 2007-07-13  Caroline Tice  <ctice@apple.com>
9305         
9306         * toplev.c (process_options): Turn flag_var_tracking_uninit off when
9307         flag_var_tracking is explicitly turned off (i.e. when variable
9308         tracking is not feasible); otherwise, turn flag_var_tracking on when
9309         flag_var_tracking_uninit is on.
9310         * rtl.def (VAR_LOCATION): Add a new integer subfield to VAR_LOCATION
9311         note definitions, to allow recording of initialization status in the
9312         notes.
9313         * dwarf2out.c (dwarf_stack_op_name): Add case for DW_OP_GNU_uninit.
9314         (add_var_loc_to_decl): Add comparison of NOTE_VAR_LOCATION_STATUS to
9315         determine if two note locations are equal.
9316         (output_loc_list): Don't output list entries whose start & end labels
9317         are the same.
9318         (reg_loc_descriptor): Add parameter for initialization status; pass it
9319         to other loc descriptor functions.
9320         (one_reg_loc_descriptor): Add parameter for initialization status;
9321         check its value and add DW_OP_GNU_uninit to returned loc descr if
9322         appropriate.
9323         (multiple_reg_loc_descriptor): Add parameter for initialization
9324         status;
9325         pass init status argument to other loc descriptor functions; check
9326         value of intialization parameter and add DW_OP_GNU_uninit to returned
9327         loc descr if appropriate.
9328         (based_loc_descr): Add parameter for initialization status; add new
9329         variable for return value; check value of initialization parameter and
9330         add DW_OP_GNU_uninit to returned loc descr if appropriate.
9331         (concatn_mem_loc_descriptor): Add parameter for initialization status;
9332         pass init status argument to other loc descriptor functions; check
9333         value of intialization parameter and add DW_OP_GNU_uninit to returned
9334         loc descr if appropriate.
9335         (mem_loc_descriptor): Likewise.
9336         (concat_loc_descriptor): Likewise.
9337         (concatn_loc_descriptor): Likewise.
9338         (loc_descriptor): Add parameter for initialization status; pass it as
9339         argument to other loc descriptor function calls.
9340         (loc_descriptor_from_tree_1): Add appropriate initialization status
9341         to loc descriptor function calls.
9342         (add_location_or_const_value_attribute): Get initialization status
9343         from VAR_LOCATION note; add initialization status to loc descriptor
9344         function calls.
9345         * dwarf2.h (enum dwarf_location_atom): New op, DW_OP_GNU_uninit.
9346         * print-rtl.c (print_rtx): When printing a VAR_LOCATION note, if
9347         status is uninitialized, add "[uninint]" to output.
9348         * common.opt (fvar-tracking-uninit): New option, similar to
9349         fvar-tracking, to turn on tracking of uninitialized variables; creates
9350         a new global flag, flag_var_tracking_uninit.
9351         * rtl.h (NOTE_VAR_LOCATION_STATUS): New macro for accessing new field.
9352         (enum var_init_status): New type, for var initialization status field.
9353         * var-tracking.c (struct location_chain_def): Two new fields, init,
9354         for initialization status, and set_src for the assignment value expr.
9355         (unshare_variable): New parameter for initialization status;
9356         initialize new init and set_src fields.
9357         (var_reg_set): New parameters for initialization status and value;
9358         pass them to set_variable_part.
9359         (var_mem_set): Likewise.
9360         (get_init_value): New function.
9361         (var_reg_delete_and_set): New initialization status & value
9362         parameters; add call to get_init_value if status is unknown; pass new
9363         parameters to clobber_variable_part and var_reg_set.
9364         (var_mem_delete_and_set): Likewise.
9365         (var_reg_delete): Pass null set_src value to clobber_variable_part.
9366         (var_mem_delete): Likewise.
9367         (variable_union): Pass status to unshare_variable; initialize new init
9368         and set_src fields. If flag_var_tracking_uninit is not set, force
9369         status to initialized.
9370         (add_stores): Store insn, rather than NEXT_INSN(insn), so it can be
9371         used later to get the set_src value.
9372         (find_src_status): New function.
9373         (find_src_set_src): New function.
9374         (compute_bb_dataflow): Pass init status to calls to var_reg_set,
9375         var_mem_set, var_reg_delete_and_set and var_mem_delete_and_set; for
9376         MO_SET, get set_src value and pass it to var_reg_delete_and_set
9377         and var_mem_delete_and_set.
9378         (dump_variable): Print out "[uninit]" if appropriate.
9379         (set_variable_part): Add new initialization and set_src parameters;
9380         pass status to unshare_variable; set node->init and node- >set_src
9381         fields and modify slot in hash table appropriately; save the init and
9382         set_src values if appropriate and assign to the new node.
9383         (clobber_variable_part): New set_src parameter; if two nodes have
9384         same variable and same location but different set_src (assignment)
9385         values, clobber old node.
9386         (delete_variable_part): Pass init status to unshare_variable.
9387         (emit_note_insn_var_location): Add initialized var; assign var's init
9388         status to new 'initialized'; pass new init status field to calls to
9389         gen_rtx_VAR_LOCATION. If flag_var_tracking_uninit is not set, force
9390         status to initialized.
9391         (emit_notes_in_bb): Pass initialization status to calls to
9392         var_reg_set, var_mem_set, var_reg_delete_and_set and
9393         var_mem_delete_and_set; for MO_SET, get set_src value and pass it to
9394         var_reg_delete_and_set and var_mem_delete_and_set; call
9395         emit_notes_for_changes on NEXT_INSN(insn) rather than on insn, to
9396         make up for change in add_stores.
9397         (vt_add_function_parameters): Add status to calls to
9398         set_variable_part.
9399         * config/darwin.c (darwin_override_options): Turn on uninitialized
9400         tracking automatically, if var_tracking is on and the system is
9401         10.5 or higher.
9402         
9403 2007-07-13  Sa Liu  <saliu@de.ibm.com>
9404
9405         * config.gcc: Add options for arch and tune on SPU.
9406         * config/spu/predicates.md: Add constant operands 0 and 1.
9407         * config/spu/spu-builtins.def: Add builtins for double precision 
9408         floating point comparison: si_dfceq, si_dfcmeq, si_dfcgt, si_dfcmgt, 
9409         si_dftsv, spu_cmpeq_13, spu_cmpabseq_1, spu_cmpgt_13, spu_cmpabsgt_1,
9410         spu_testsv.
9411         * config/spu/spu-c.c: Define __SPU_EDP__ when builtins invoked with 
9412         a CELLEDP target.
9413         * config/spu/spu-protos.h: Add new function prototypes. 
9414         * config/spu/spu.c (spu_override_options): Check options -march and
9415         -mtune.
9416         (spu_comp_icode): Add comparison code for DFmode and vector mode.
9417         (spu_emit_branch_or_set): Use the new code for DFmode and vector 
9418         mode comparison.
9419         (spu_const_from_int): New.  Create a vector constant from 4 ints.
9420         (get_vec_cmp_insn): New.  Get insn index of vector compare instruction.
9421         (spu_emit_vector_compare): New.  Emit vector compare.
9422         (spu_emit_vector_cond_expr): New.  Emit vector conditional expression.
9423         * config/spu/spu.h: Add options -march and -mtune.  Define processor
9424         types PROCESSOR_CELL and PROCESSOR_CELLEDP.  Define macro
9425         CANONICALIZE_COMPARISON.
9426         * config/spu/spu.md: Add new insns for double precision compare
9427         and double precision vector compare.  Add vcond and smax/smin patterns
9428         to enable DFmode vector conditional expression.
9429         * config/spu/spu.opt: Add options -march and -mtune.
9430         * config/spu/spu_internals.h: Add builtins for CELLEDP target:
9431         si_dfceq, si_dfcmeq, si_dfcgt, si_dfcmgt, si_dftsv.  Add builtin for
9432         both CELL and CELLEDP targets: spu_testsv.
9433         * config/spu/spu_intrinsics.h: Add flag mnemonics for test special 
9434         values.
9435
9436 2007-07-13  Richard Guenther  <rguenther@suse.de>
9437
9438         PR tree-optimization/32721
9439         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Preserve
9440         TREE_THIS_VOLATILE on the folded reference.
9441         * tree-ssa-operands.c (get_expr_operands): Set has_volatile_ops
9442         if the array reference has TREE_THIS_VOLATILE set.
9443
9444 2007-07-13  H.J. Lu  <hongjiu.lu@intel.com>
9445
9446         PR other/32188
9447         * doc/libgcc.texi: Update DFP intrinsics for DPD and BID.
9448
9449 2007-07-13  Andreas Schwab  <schwab@suse.de>
9450
9451         * gengtype-lex.l: Allow declarations to be indented.
9452
9453 2007-07-12  Geoffrey Keating  <geoffk@apple.com>
9454
9455         * ginclude/tgmath.h: New.
9456         * config.gcc: Use GCC's tgmath.h on non-glibc systems.
9457         * doc/sourcebuild.texi (Headers): Document use_gcc_tgmath.
9458         * configure.ac (STMP_FIXPROTO): Honor use_gcc_tgmath.
9459         * configure: Regenerate.
9460
9461 2007-07-13  Kaz Kojima  <kkojima@gcc.gnu.org>
9462
9463         * config/sh/linux-unwind.h (sh_fallback_frame_state): Use
9464         correct index when setting register save state for xd
9465         registers.
9466
9467 2007-07-13  Kaz Kojima  <kkojima@gcc.gnu.org>
9468
9469         * config/sh/sh.c (mark_use): Remove.
9470
9471 2007-07-12  Paul Brook  <paul@codesourcery.com>
9472
9473         * config/arm/arm.c (thumb1_compute_save_reg_mask): Make sure scratch
9474         reg does not overlap return value.
9475
9476 2007-07-12  Daniel Berlin  <dberlin@dberlin.org>
9477
9478         * tree-ssa-pre.c (get_expression_vuses): Move out side-effect.
9479         (set_expression_vuses): Ditto.
9480         (init_pre): Initialize expression_vuses.
9481
9482 2007-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9483
9484         * config/i386/sse.md (storentdf, storentsf): New.
9485
9486 2007-07-12  Geoffrey Keating  <geoffk@apple.com>
9487
9488         * builtins.c (get_pointer_alignment): Honor DECL_ALIGN on a
9489         FUNCTION_DECL.
9490         * tree.c (build_decl_stat): Move code from here...
9491         (make_node_stat): ... to here.  Don't uselessly clear DECL_USER_ALIGN.
9492         (expr_align): Honor DECL_ALIGN on a FUNCTION_DECL.  Add comment
9493         about using DECL_ALIGN of LABEL_DECL and CONST_DECL.
9494         * tree.h (DECL_USER_ALIGN): Fix misplaced comment.
9495         * varasm.c (assemble_start_function): Use DECL_ALIGN instead of
9496         FUNCTION_BOUNDARY.
9497
9498 2007-07-12  Dorit Nuzman  <dorit@il.ibm.com>
9499             Devang Patel  <dpatel@apple.com>
9500
9501         PR tree-optimization/25413
9502         * targhooks.c (default_builtin_vector_alignment_reachable): New.
9503         * targhooks.h (default_builtin_vector_alignment_reachable): New.
9504         * tree.h (contains_packed_reference): New.
9505         * expr.c (contains_packed_reference): New.
9506         * tree-vect-analyze.c (vector_alignment_reachable_p): New.
9507         (vect_enhance_data_refs_alignment): Call
9508         vector_alignment_reachable_p.
9509         * target.h (vector_alignment_reachable): New builtin.
9510         * target-def.h (TARGET_VECTOR_ALIGNMENT_REACHABLE): New.
9511         * config/rs6000/rs6000.c (rs6000_vector_alignment_reachable): New.
9512         (TARGET_VECTOR_ALIGNMENT_REACHABLE): Define.
9513
9514 2007-07-12  Dorit Nuzman  <dorit@il.ibm.com>
9515
9516         * target.h (builtin_vectorization_cost): Add new target builtin.
9517         * target-def.h (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): New.
9518         * tree-vectorizer.h (TARG_SCALAR_STMT_COST): New.
9519         (TARG_SCALAR_LOAD_COST, TARG_SCALAR_STORE_COST): New.
9520         * tree-vect-analyze.c (vect_analyze_slp_instance): Initisliaze
9521         uninitialized variables.
9522         * tree-vect-transform.c (cost_for_stmt): New function.
9523         (vect_estimate_min_profitable_iters): Call cost_for_stmt instead of
9524         using cost 1 for all scalar stmts. Be less conservative when
9525         estimating the number of prologue/epulogue iterations. Call
9526         targetm.vectorize.builtin_vectorization_cost. Return
9527         min_profitable_iters-1.
9528         (vect_model_reduction_cost): Use TARG_SCALAR_TO_VEC_COST for
9529         initialization cost instead of TARG_VEC_STMT_COST. Use
9530         TARG_VEC_TO_SCALAR_COST instead of TARG_VEC_STMT_COST for reduction
9531         epilogue code. Fix epilogue cost computation.
9532         * config/spu/spu.c (spu_builtin_vectorization_cost): New.
9533         (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Implement.
9534         * config/spu/spu.h (TARG_COND_BRANCH_COST, TARG_SCALAR_STMT_COST):
9535         (TARG_SCALAR_LOAD_COST, TARG_SCALAR_STORE_COST, TARG_VEC_STMT_COST):
9536         (TARG_VEC_TO_SCALAR_COST, TARG_SCALAR_TO_VEC, TARG_VEC_LOAD_COST):
9537         (TARG_VEC_UNALIGNED_LOAD_COST, TARG_VEC_STORE_COST): Define.
9538
9539 2007-07-12  Richard Guenther  <rguenther@suse.de>
9540
9541         * gimplify.c (gimplify_conversion): Make sure that the result
9542         from maybe_fold_offset_to_reference is trivially convertible
9543         to the desired type before doing the simplification.
9544         (gimplify_expr): Likewise.
9545         * fold-const.c (fold_binary): Use the correct types for
9546         building the simplified expression.
9547
9548 2007-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9549
9550         PR rtl-optimization/32729
9551         * cfghooks.c (can_duplicate_block_p): Do not forbid duplicating blocks
9552         that fallthru to exit.
9553
9554 2007-07-12  Kaz Kojima  <kkojima@gcc.gnu.org>
9555
9556         * config/sh/sh.md (symGOTOFF2reg): Add missing parenthesis.
9557         (symDTPOFF2reg): Likewise.
9558
9559 2007-07-11  Daniel Berlin  <dberlin@dberlin.org>
9560
9561         PR tree-optimization/32663
9562         
9563         * tree.h (VALUE_HANDLE_VUSES): Remove.
9564         (struct tree_value_handle): Remove vuses.
9565
9566         * tree-vn.c (create_value_handle_for_expr): Don't set
9567         VALUE_HANDLE_VUSES. 
9568
9569         * tree-ssa-pre.c (expression_vuses): New.
9570         (alloc_expression_id): Set up expression_vuses.
9571         (get_expression_vuses): New.
9572         (set_expression_vuses): Ditto.
9573         (clear_expression_ids): Modify for expression_vuses.
9574         (phi_translate_1): Ditto.
9575         (phi_translate_set): Ditto.
9576         (value_dies_in_block_x): Ditto
9577         (valid_in_sets): Ditto.
9578         (add_to_sets): Ditto.
9579         (find_existing_value_expr): Ditto.
9580         (create_value_handle_for_expr): Ditto.
9581         (make_values_for_stmt): Ditto.
9582         (vuse_equiv): Remove.
9583
9584 2007-07-11  Alexandre Oliva  <aoliva@redhat.com>
9585
9586         * Makefile.in (mostlyclean): Remove object files.
9587
9588 2007-07-11  Kenneth Zadeck <zadeck@naturalbridge.com>
9589
9590         * toplev.c (no_new_pseudos): Deleted.
9591         * rtl.h (no_new_pseudos): Deleted.
9592         * tree-pass.h (pass_no_new_pseudos): Deleted. 
9593         * passes.c (pass_no_new_pseudos): Deleted.
9594         * final.c (rest_of_clean_state): Removed no_new_pseudos.
9595         (rest_of_no_new_pseudos, pass_no_new_pseudos): Deleted.
9596         * struct-equiv.c (rtx_equiv_p): Replaced no_new_pseudos with 
9597         reload_completed.
9598         * cfgcleanup.c (try_crossjump_to_edge): Ditto. 
9599         * rtlhooks.c (gen_lowpart_general): Ditto.
9600         * optabs.c (prepare_operand): Ditto.
9601         * mode-switching.c (rest_of_handle_mode_switching): Deleted set of
9602         no_new_pseudos.
9603         * modulo-sched.c (rest_of_handle_sms): Ditto.
9604         * see.c (rest_of_handle_see): Ditto.
9605         * ifcvt.c (if_convert): Ditto.
9606         (gate_handle_if_after_combine): Replaced no_new_pseudos with 
9607         reload_completed.
9608         * init-regs.c (gate_initialize_regs): Deleted set of
9609         no_new_pseudos.
9610         * lower-subreg.c (decompose_multiword_subregs): Ditto. 
9611         * bb-reorder.c (rest_of_handle_partition_blocks): Ditto.
9612         * doc/md.texi: Changed no_new_pseudos to can_create_pseudo_p.
9613         
9614 2007-07-11  Uros Bizjak  <ubizjak@gmail.com>
9615
9616         PR target/32661
9617         * config/i386/sse.md (*sse2_storeq_rex64): Handle 64bit mem->reg moves.
9618         (*vec_extractv2di_1_sse2): Disable for TARGET_64BIT.
9619         (*vec_extractv2di_1_rex64): New insn pattern.
9620
9621 2007-07-11  David Daney  <ddaney@avtrex.com>
9622
9623         * config/mips/linux-unwind.h (mips_fallback_frame_state): Rewrite
9624         return address calculation.  Substitute DWARF_ALT_FRAME_RETURN_COLUMN
9625         for SIGNAL_UNWIND_RETURN_COLUMN.
9626         * config/mips/mips.h (SIGNAL_UNWIND_RETURN_COLUMN): Remove.
9627         (DWARF_FRAME_REGNUM): Rewrite.
9628         (DWARF_ALT_FRAME_RETURN_COLUMN) Define.
9629
9630 2007-07-11  Nick Clifton  <nickc@redhat.com>
9631
9632         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Revert previous
9633         delta and use gen_int_mode in place of GET_INT instead.
9634
9635 2007-07-11  Uros Bizjak  <ubizjak@gmail.com>
9636
9637         * reg-stack.c (struct tree_opt_pass pass_stack_regs): Nullify name
9638         and letter field.
9639
9640 2007-07-11  Douglas Gregor  <doug.gregor@gmail.com>
9641
9642         * params.def (PARAM_VERIFY_CANONICAL_TYPES): Remove.
9643         (PARAM_USE_CANONICAL_TYPES): New; decides whether to use canonical 
9644         types or not.
9645         * params.h (VERIFY_CANONICAL_TYPES): Remove.
9646         (USE_CANONICAL_TYPES): New.
9647         * doc/invoke.texi (verify-canonical-types): Remove.
9648         (use-canonical-types): Add.
9649
9650 2007-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
9651
9652         * config/spu/spu.c (spu_optimization_options): Remove setting of
9653         parameter PARAM_MAX_COMPLETELY_PEEL_TIMES.
9654         (spu_override_options): Move it here.
9655
9656 2007-07-11  Richard Sandiford  <richard@codesourcery.com>
9657
9658         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Handle -m4ksc and -m4ksd.
9659         * config/mips/mips.c (mips_cpu_info_table): Mention
9660         MIPS_ISA_LEVEL_SPEC in the comment.
9661
9662 2007-07-11  Eric Botcazou  <ebotcazou@adacore.com>
9663
9664         PR tree-optimization/32713
9665         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle REAL_CST.
9666
9667 2007-07-11  Paolo Carlini  <pcarlini@suse.de>
9668
9669         PR middle-end/30482
9670         * c-opts.c (c_common_post_options): Do not change flag_complex_method
9671         conditional to flag_isoc99.
9672         (c_common_init_options): Do it here, unconditionally.
9673
9674 2007-07-11  Eric Botcazou  <ebotcazou@adacore.com>
9675
9676         PR tree-optimization/32589
9677         * doc/tree-ssa.texi (Rough GIMPLE Grammar): Add missing rule.
9678         * tree-gimple.c (is_gimple_min_invariant): Clarify head comment.
9679         * tree-ssa-propagate.c (valid_gimple_expression_p): New
9680         predicate, extracted from...
9681         (set_rhs): ...here.  Call it for the expression on entry.
9682         * tree-ssa-propagate.h (valid_gimple_expression_p): Declare.
9683         * tree-ssa-sccvn.c: Include tree-ssa-propagate.h.
9684         (simplify_binary_expression): Use valid_gimple_expression_p
9685         to validate the simplification.
9686         * Makefile.in (tree-ssa-sccvn.o): Depends on tree-ssa-propagate.h.
9687
9688 2007-07-11  Danny Smith  <dannysmith@users.sourceforge.net>
9689
9690         * config/i386/cygming.h (PREFERRED_DEBUGGING_TYPE): Define to
9691         DWARF2_DEBUG on 32 bit target too.
9692         (DWARF2_UNWIND_INFO): Reorganize 64-bit vs 32-bit definition. 
9693
9694 2007-07-11  Nick Clifton  <nickc@redhat.com>
9695
9696         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Provide alternative
9697         version for 64-bit hosts.
9698
9699 2007-07-10  David Daney  <ddaney@avtrex.com>
9700
9701         * config/mips/mips.h (ISA_HAS_SYNCI): New target capability
9702         predicate.
9703         (INITIALIZE_TRAMPOLINE): Emit clear_cache insn instead of  library
9704         call.
9705         * config/mips/mips.c (mips_expand_synci_loop): New function.
9706         * config/mips/mips.md (UNSPEC_CLEAR_HAZARD): New constant.
9707         (UNSPEC_RDHWR): Same.
9708         (UNSPEC_SYNCI): Same.
9709         (UNSPEC_SYNC): Same.
9710         (clear_cache): New expand.
9711         (sync): New insn.
9712         (synci): Same.
9713         (rdhwr): Same.
9714         (clear_hazard): Same.
9715         * config/mips/mips-protos.h (mips_expand_synci_loop): Declare
9716         function.
9717         * testsuite/gcc.target/mips/clear-cache-1.c: New test.
9718         * testsuite/gcc.target/mips/clear-cache-2.c: New test.
9719
9720 2007-07-10  Ian Lance Taylor  <iant@google.com>
9721
9722         * emit-rtl.c (gen_reg_rtx): Check can_create_pseudo_p rather than
9723         no_new_pseudos.
9724
9725 2007-07-10  David Daney  <ddaney@avtrex.com>
9726
9727         * builtins.def (BUILT_IN_CLEAR_CACHE): New builtin.
9728         * builtins.c (expand_builtin___clear_cache): New function.
9729         (expand_builtin): Call expand_builtin___clear_cache for
9730         BUILT_IN_CLEAR_CACHE case.
9731         * doc/extend.texi (__builtin___clear_cache): Document new builtin.
9732         * doc/md.texi (clear_cache): Document new instruction pattern.
9733         * testsuite/gcc.dg/builtins-64.c: New test.
9734
9735 2007-07-11  Hans-Peter Nilsson  <hp@axis.com>
9736
9737         * config/cris/cris.md ("movsi"): Fix typo in last change.
9738
9739 2007-07-09  Geoffrey Keating  <geoffk@apple.com>
9740
9741         PR 32617
9742         * c-common.c (c_alignof_expr): Look at DECL_ALIGN of
9743         FUNCTION_DECLs.
9744         (handle_aligned_attribute): Allow use on FUNCTION_DECLs.
9745         * varasm.c (assemble_start_function): Honor DECL_ALIGN
9746         for FUNCTION_DECLs.  Don't use align_functions_log if
9747         DECL_USER_ALIGN.
9748         * print-tree.c (print_node): Print DECL_ALIGN and DECL_USER_ALIGN
9749         even for FUNCTION_DECLs.
9750         * c-decl.c (merge_decls): Propagate DECL_ALIGN even for
9751         FUNCTION_DECLs.
9752         * tree.h (DECL_ALIGN): Update for new location of 'align'.
9753         (DECL_FUNCTION_CODE): Update for new location and name of
9754         'function_code'.
9755         (DECL_OFFSET_ALIGN): Update for new location of 'off_align'.
9756         (struct tree_decl_common): Move 'align' and 'off_align' out
9757         of union, ensure they're still on a 32-bit boundary.  Remove
9758         other fields in union 'u1'.
9759         (struct tree_function_decl): Add field 'function_code' replacing
9760         'u1.f' in tree_decl_common.
9761         * tree.c (build_decl_stat): Set initial value of DECL_ALIGN.
9762         * doc/extend.texi (Function Attributes): Add 'aligned' attribute.
9763         (Variable Attributes): Cross-reference 'aligned' attribute
9764         to Function Attributes.
9765         * flags.h (force_align_functions_log): Delete.
9766         * toplev.c (force_align_functions_log): Delete.
9767
9768 2007-07-10  Uros Bizjak  <ubizjak@gmail.com>
9769
9770         PR target/32708
9771         * config/i386/sse.md (vec_concatv2di): Disable for TARGET_64BIT.
9772         (*vec_concatv2di_rex): New insn pattern.
9773
9774 2007-07-10  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9775
9776         PR target/32538
9777         * config/mips/iris6.h (LIBGCC_SPEC): Add libm.
9778
9779 2007-07-10  Ian Lance Taylor  <iant@google.com>
9780
9781         Replace no_new_pseudos in backends.
9782         * rtl.h (can_create_pseudo_p): Define.
9783         * config/darwin.c (machopic_indirect_data_reference): Use
9784         can_create_pseudo_p () instead of no_new_pseudos.
9785         (machopic_indirect_data_reference): Likewise.
9786         (machopic_legitimize_pic_address): Likewise.
9787         * config/alpha/alpha.c (alpha_legitimize_address): Likewise.
9788         (alpha_emit_set_const_1): Likewise.
9789         (alpha_emit_set_const): Likewise.
9790         (alpha_emit_conditional_move): Likewise.
9791         (alpha_split_conditional_move): Likewise.
9792         * config/alpha/alpha.md (various splitters): Likewise.
9793         (movti): Likewise.
9794         * config/arm/arm.c (legitimize_pic_address): Likewise.
9795         (arm_load_pic_register): Likewise.
9796         * config/arm/arm.md (addsi3, subsi3, andsi3, iorsi3): Likewise.
9797         (movdi, movsi, movhi, movqi, movsf, movdf): Likewise.
9798         * config/bfin/bfin.c (legitimize_pic_address): Likewise.
9799         * config/cris/cris.c (cris_expand_pic_call_address): Likewise.
9800         * config/cris/cris.md (movsi): Likewise.
9801         * config/frv/frv.md (symGOT2reg_hilo): Likewise.
9802         (symGOTOFF2reg_hilo): Likewise.
9803         (symGPREL2reg, symGPREL2reg_hilo): Likewise.
9804         * config/h8300/h8300.md (insv, extzv): Likewise.
9805         * config/i386/i386.c (ix86_expand_move): Likewise.
9806         (ix86_expand_vector_move): Likewise.
9807         (ix86_prepare_fp_compare_args): Likewise.
9808         (ix86_expand_carry_flag_compare): Likewise.
9809         * config/i386/i386.md (tls_dynamic_gnu2_32): Likewise.
9810         (tls_dynamic_gnu2_combine_32): Likewise.
9811         (tls_dynamic_gnu2_64, tls_dynamic_gnu2_combine_64): Likewise.
9812         * config/ia64/ia64.c (ia64_expand_move): Likewise.
9813         (ia64_expand_movxf_movrf): Likewise.
9814         * config/m32c/m32c.c (m32c_prepare_move): Likewise.
9815         (m32c_split_move): Likewise.
9816         (m32c_expand_insv): Likewise.
9817         * config/m68k/m68k.md (movsi): Likewise.
9818         * config/mips/mips.c (mips_force_temporary): Likewise.
9819         (mips_split_symbol): Likewise.
9820         (mips_move_integer): Likewise.
9821         (mips_legitimize_const_move): Likewise.
9822         * config/mn10300/mn10300.md (movsi): Likewise.
9823         * config/pa/pa.c (emit_move_sequence): Likewise.
9824         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
9825         (rs6000_got_register): Likewise.
9826         (create_TOC_reference): Likewise.
9827         (rs6000_machopic_legitimize_pic_address): Likewise.
9828         * config/rs6000/rs6000.md (add<mode>3): Likewise.
9829         (various splitters): Likewise.
9830         (iorsi3, xorsi3, iordi3, xordi3): Likewise.
9831         (movsi_got): Likewise.
9832         * config/s390/s390.c (emit_symbolic_move): Likewise.
9833         * config/s390/s390.md (movhi, movqi): Likewise.
9834         (load_multiple, store_multiple): Likewise.
9835         * config/score/score.c (score_force_temporary): Likewise.
9836         * config/sh/sh.c (prepare_move_operands): Likewise.
9837         (prepare_cbranch_operands): Likewise.
9838         (emit_fpu_switch): Likewise.
9839         (fpscr_set_from_mem): Likewise.
9840         * config/sh/sh.md (movdicc, movsicc, movsicc_umin): Likewise.
9841         (adddi3, subsi3): Likewise.
9842         (various splitters): Likewise.
9843         (divsi_inv_fp_combine): Likewise.
9844         (symGOT_load, symGOTOFF2reg, symDTPOFF2reg): Likewise.
9845         (seq, slt, sle, sgt, sge, sgtu, sltu, sleu, sgeu): Likewise.
9846         (sne): Likewise.
9847         * config/sh/predicates.md (xor_operand): Likewise.
9848         * config/sparc/sparc.c (legitimize_tls_address): Likewise.
9849         * config/sparc/sparc.md (movsi_pic_label_ref): Likewise.
9850         (movdi_pic_label_ref): Likewise.
9851         * config/spu/spu.c (spu_split_immediate): Likewise.
9852         * config/alpha/alpha.md (various splitters): Remove test
9853         !no_new_pseudos || reload_completed.
9854         * config/ia64/ia64.c (ia64_output_mi_thunk): Don't set
9855         no_new_pseudos.
9856         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
9857         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
9858         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
9859         * config/score/score.c (th_output_mi_thunk): Likewise.
9860         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
9861         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
9862
9863 2007-07-10  Kaz Kojima  <kkojima@gcc.gnu.org>
9864
9865         PR rtl-optimization/32664
9866         * mode-switching.c (create_pre_exit): Skip barrier insns.
9867
9868 2007-07-10  Zdenek Dvorak  <dvorakz@suse.cz>
9869
9870         * tree-scalar-evolution.c (scev_const_prop): Add arguments to
9871         force_gimple_operand_bsi.
9872         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr,
9873         rewrite_use_compare): Ditto.
9874         * tree-ssa-address.c (gimplify_mem_ref_parts, create_mem_ref):
9875         Ditto.
9876         * tree-ssa-ifcombine.c (ifcombine_ifandif): Ditto.
9877         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Ditto.
9878         * lambda-code.c (replace_uses_equiv_to_x_with_y): Ditto.
9879         * tree-profile.c (prepare_instrumented_value,
9880         tree_gen_interval_profiler, tree_gen_pow2_profiler,
9881         tree_gen_one_value_profiler, tree_gen_ic_profiler,
9882         tree_gen_ic_func_profiler, tree_gen_average_profiler,
9883         tree_gen_ior_profiler): Ditto.
9884         * tree-ssa-reassoc.c (negate_value): Ditto.
9885         * matrix-reorg.c (transform_access_sites, transform_allocation_sites):
9886         Use force_gimple_operand_bsi.
9887         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
9888         * tree-if-conv.c (add_to_dst_predicate_list,
9889         find_phi_replacement_condition): Ditto.
9890         * gimplify.c (force_gimple_operand_bsi): Add before and m arguments.
9891         Call mark_symbols_for_renaming for new statements.
9892         * tree-flow.h (force_gimple_operand_bsi): Declaration changed.
9893
9894 2007-07-10  Zdenek Dvorak  <dvorakz@suse.cz>
9895
9896         * cfghooks.c (remove_edge): New function.
9897         (redirect_edge_and_branch, remove_branch, merge_blocks): Updated
9898         loop exit rescans.
9899         * cfghooks.h (remove_edge): Declare.
9900         * cfg.c (remove_edge): Renamed to remove_edge_raw.
9901         * basic-block.h (remove_edge): Declaration changed to remove_edge_raw.
9902
9903 2007-07-09  Wolfgang Gellerich  <gellerich@de.ibm.com>
9904
9905         * optabs.h: Added declaration for signbit_optab.  
9906         * optabs.c: (init_optabs): Added initialization for signbit_optab.
9907         * genoptinit.c (optabs): Added entry for signbit insns.  
9908         * builtins.c (expand_builtin_signbit): Added code to use a signbit
9909         insn, if available.  
9910         * config/s390/s390.h (S390_TDC_SIGNBIT_SET): New constant.  
9911         * config/s390/s390.md (signbit<mode>2): New expander.  
9912
9913 2007-07-09  Richard Guenther  <rguenther@suse.de>
9914
9915         PR middle-end/32698
9916         * fold-const.c (fold_plusminus_mult_expr): Move constant
9917         arguments second to allow decomposing.
9918
9919 2007-07-09  Alexandre Oliva  <aoliva@oliva.athome.lsd.ic.unicamp.br>
9920
9921         Revert:
9922         2007-07-06  Alexandre Oliva  <aoliva@redhat.com>
9923         PR debug/23551
9924         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
9925         Disregard DECL_FROM_INLINE.
9926
9927 2007-07-09  Uros Bizjak  <ubizjak@gmail.com>
9928
9929         PR target/27855
9930         * doc/invoke.texi: Add ftree-reassoc flag.
9931         * common.opt (ftree-reassoc): New flag.
9932         * tree-ssa-reassoc.c (gate_tree_ssa_reassoc): New static function.
9933         (struct tree_opt_pass pass_reassoc): Use gate_tree_ssa_reassoc.
9934
9935 2007-07-09  Uros Bizjak  <ubizjak@gmail.com>
9936
9937         PR tree-optimization/32681
9938         * tree-if-conv.c (find_phi_replacement_condition): Use the condition
9939         saved in second_edge->aux when first_bb is a loop header.
9940
9941 2007-07-09  Jan HUbicka  <jh@suse.cz>
9942
9943         * cse.c (cse_insn): Avoid invalid sharing on trial replacement.
9944
9945 2007-07-09  Richard Guenther  <rguenther@suse.de>
9946
9947         * c-decl.c (start_function): Do not promote return type.
9948
9949 2007-07-08  Daniel Franke  <franke.daniel@gmail.com>
9950
9951         * function.c (do_warn_unused_parameter): Do not warn if
9952         TREE_NO_WARNING is set.
9953
9954 2007-07-08  Andreas Schwab  <schwab@suse.de>
9955
9956         * doc/invoke.texi (DEC Alpha/VMS Options): Fix typo.
9957
9958 2007-07-08  Sandra Loosemore  <sandra@codesourcery.com>
9959
9960         Revert this patch:
9961         2007-07-06  Sandra Loosemore  <sandra@codesourcery.com>
9962
9963         * c-opts.c (c_common_handle_option): Make DOLLARS_IN_IDENTIFIERS
9964         apply to assembly language, too.
9965         * doc/tm.texi (DOLLARS_IN_IDENTIFIERS): Update.
9966
9967 2007-07-07  Daniel Berlin  <dberlin@dberlin.org>
9968
9969         Revert (note the sccvn portions are *not* reverted)
9970         2007-07-06  Daniel Berlin  <dberlin@dberlin.org>
9971
9972         Fix PR tree-optimization/23488
9973
9974         * tree-vn.c (set_value_handle): Use decl_vh_map for decl value
9975         handles.
9976         * tree-flow-inline.h (get_value_handle): Ditto.
9977         * tree-ssa-pre.c (decl_vh_map): New.
9978         (decl_node_pool): New.
9979         (can_value_number_operation): Support DECL_P.
9980         (can_PRE_operation): Ditto.
9981         (create_expression_by_pieces): Ditto.
9982         (find_existing_value_expr): Modify to differnetiate between
9983         addressing and top level.
9984         (create_value_handle_for_expr): Handle DECL's.
9985         (poolify_tree): Ditto.
9986         (make_values_for_phi): Don't insert into PHI_GEN during FRE.
9987         (make_values_for_stmt): Handle DECL's properly.
9988         (init_pre): Reorg to not init useless things during FRE.
9989         (fini_pre): Ditto.
9990         * tree-flow.h: Include pointer-set.h.
9991         (decl_vh_map): Declare.
9992         * Makefile.in (TREE_FLOW_H): Add pointer-set.h
9993
9994 2007-07-07 Eric Weddington  <eweddington@cso.atmel.com>
9995
9996         * config/avr/constraints.md (define_memory_constraint "Q"): Fix
9997         the constraint description.
9998         * doc/md.texi: Update documentation of AVR constraints.
9999
10000 2007-07-07  Kazu Hirata  <kazu@codesourcery.com>
10001
10002         * auto-inc-dec.c, config/arm/arm.c,
10003         config/m32r/constraints.md, config/mips/mips.md,
10004         config/rs6000/rs6000.c, cselib.c, dce.c, df-core.c,
10005         df-problems.c, df-scan.c, df.h, dse.c, gimplify.c,
10006         tree-if-conv.c, tree-ssa-sccvn.c, tree-ssa.c: Fix comment
10007         typos.  Follow spelling conventions.
10008         * doc/invoke.texi, doc/rtl.texi: Fix typos.
10009
10010         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
10011         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
10012
10013         * tree-ssa-operands.c (realloc_vop, realloc_vdef,
10014         realloc_vuse): Remove.
10015         * tree-ssa-operands.h: Remove the prototype for realloc_vdef
10016         and realloc_vuse.
10017
10018 2007-07-06  Daniel Berlin  <dberlin@dberlin.org>
10019
10020         Fix PR tree-optimization/23488
10021
10022         * tree-ssa-sccvn.c (expr_has_constants): Handle tcc_declaration.
10023         (try_to_simplify): Ditto.
10024         (visit_use): Ditto.
10025         * tree-vn.c (set_value_handle): Use decl_vh_map for decl value
10026         handles.
10027         * tree-flow-inline.h (get_value_handle): Ditto.
10028         * tree-ssa-pre.c (decl_vh_map): New.
10029         (decl_node_pool): New.
10030         (can_value_number_operation): Support DECL_P.
10031         (can_PRE_operation): Ditto.
10032         (create_expression_by_pieces): Ditto.
10033         (find_existing_value_expr): Modify to differnetiate between
10034         addressing and top level.
10035         (create_value_handle_for_expr): Handle DECL's.
10036         (poolify_tree): Ditto.
10037         (make_values_for_phi): Don't insert into PHI_GEN during FRE.
10038         (make_values_for_stmt): Handle DECL's properly.
10039         (init_pre): Reorg to not init useless things during FRE.
10040         (fini_pre): Ditto.
10041         * tree-flow.h: Include pointer-set.h.
10042         (decl_vh_map): Declare.
10043         * Makefile.in (TREE_FLOW_H): Add pointer-set.h
10044                 
10045 2007-07-06  Sandra Loosemore  <sandra@codesourcery.com>
10046
10047         * c-opts.c (c_common_handle_option): Make DOLLARS_IN_IDENTIFIERS
10048         apply to assembly language, too.
10049         * doc/tm.texi (DOLLARS_IN_IDENTIFIERS): Update.
10050
10051 2007-07-06  Ian Lance Taylor  <iant@google.com>
10052             Zack Weinberg  <zackw@panix.com>
10053
10054         PR middle-end/32441
10055         * builtins.c (std_expand_builtin_va_start): Don't use make_tree.
10056
10057 2007-07-06  Richard Sandiford  <richard@codesourcery.com>
10058
10059         * config/sh/sh.md (*prefetch_i4): Disable for TARGET_VXWORKS_RTP.
10060         (prefetch): Likewise if "pref" would be used.
10061
10062 2007-07-06  Josh Conner  <jconner@apple.com>
10063
10064         PR middle-end/32602
10065         PR middle-end/32603
10066         * calls.c (store_one_arg): Handle arguments which are partially
10067         on the stack when detecting argument overlap.
10068
10069 2007-07-06  Bernd Schmidt  <bernd.schmidt@analog.com>
10070
10071         * reload1.c (choose_reload_regs): Set reload_spill_index for regs
10072         chosen during find_reloads.
10073
10074 2007-07-06  Richard Guenther  <rguenther@suse.de>
10075
10076         * gimplify.c (gimplify_call_expr): Prefer DECL_ARGUMENTS over
10077         TYPE_ARG_TYPES for verification of argument types.  Use
10078         DECL_ARG_TYPE instead of the PARM_DECL type.  Take excess
10079         parameters as variable arguments.
10080
10081 2007-07-06  Andreas Krebbel  <krebbel1@de.ibm.com>
10082
10083         * libgcc2.h (word_type): Type definition removed.
10084         (cmp_return_type, shift_count_type): Type definitions added.
10085         (__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter
10086         replaced with shift_count_type.
10087         (__cmpdi2, __ucmpdi2): word_type of return type replaced with
10088         cmp_return_type.
10089         * libgcc2.c (__udivmoddi4, __moddi3): Type of local variable c
10090         changed from word_type to Wtype.
10091         (__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter
10092         replaced with shift_count_type.
10093         (__cmpdi2, __ucmpdi2): word_type of return type replaced with
10094         cmp_return_type.
10095         * c-common.c (handle_mode_attribute): Handling for libgcc_cmp_return
10096         and libgcc_shift_count attribute added.
10097         * target-def.h (TARGET_LIBGCC_CMP_RETURN_MODE,
10098         TARGET_LIBGCC_SHIFT_COUNT_MODE): New target hooks defined.
10099         (TARGET_INITIALIZER): New target hooks added.
10100         * targhooks.c (default_libgcc_cmp_return_mode,
10101         default_libgcc_shift_count_mode): Default implementations for the new
10102         target hooks added.
10103         * targhooks.h (default_libgcc_cmp_return_mode,
10104         default_libgcc_shift_count_mode): Function prototypes added.
10105         * target.h (struct gcc_target): Fields for the new target hooks added.
10106         * optabs.c (expand_binop): Use shift_count_mode when expanding shift
10107         as library call.
10108         (prepare_cmp_insn): Use cmp_return_mode when expanding comparison as
10109         library call.
10110
10111         * doc/tm.texi (TARGET_LIBGCC_CMP_RETURN_MODE,
10112         TARGET_LIBGCC_SHIFT_COUNT_MODE): Documentation added.
10113
10114         * config/s390/s390.c (s390_libgcc_cmp_return_mode,
10115         s390_libgcc_shift_count_mode): Functions added.
10116         (TARGET_LIBGCC_CMP_RETURN_MODE, TARGET_LIBGCC_SHIFT_COUNT_MODE):
10117         Target hooks defined.
10118
10119 2007-07-06  Richard Sandiford  <richard@codesourcery.com>
10120
10121         * config/mips/mips.c (compute_frame_size): Restore the original
10122         gp_sp_offset for !GENERATE_MIPS16E_SAVE_RESTORE and remove the
10123         fp_size term from the GENERATE_MIPS16E_SAVE_RESTORE calculation.
10124         Document why the difference is needed.
10125
10126 2007-07-06  Richard Guenther  <rguenther@suse.de>
10127
10128         * c-common.c (boolean_increment): Use correctly typed
10129         constant.
10130
10131 2007-07-06  Richard Sandiford  <richard@codesourcery.com>
10132
10133         * config/mips/mips.c (mips16e_save_restore_pattern_p): Check that
10134         the topmost argument register is not also included in the save mask.
10135         (mips16e_collect_argument_save_p): Take a pointer to the argument
10136         register, rather than a pointer to the number of arguments.
10137         (mips16e_collect_argument_saves): Only include argument saves
10138         that aren't in the register mask.
10139
10140 2007-07-06  Uros Bizjak  <ubizjak@gmail.com>
10141
10142         PR rtl-optimization/32450
10143         * function.c (thread_prologue_and_epilogue_insns): Emit blockage insn
10144         to ensure that instructions are not moved into the prologue when
10145         profiling is on.  Remove unused prologue_end variable.
10146         (expand_function_end): Emit blockage insn instead of ASM_INPUT rtx
10147         as a scheduling barrier.
10148
10149 2007-07-06  Alexandre Oliva  <aoliva@redhat.com>
10150
10151         PR debug/23551
10152         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
10153         Disregard DECL_FROM_INLINE.
10154
10155 2007-07-05  Adam Nemet  <anemet@caviumnetworks.com>
10156
10157         * rtlanal.c (num_sign_bit_copies1): Improve cases of ANDing or
10158         IORing with a constant.
10159
10160 2007-07-05  Seongbae Park  <seongbae.park@gmail.com>
10161
10162         PR rtl-optimization/32475
10163         * df-scan.c (df_def_record_1): Add a use of the stack pointer
10164         for every definition of the stack pointer.
10165
10166 2007-07-05  Richard Earnshaw  <rearnsha@arm.com>
10167
10168         * arm.c (vfp3_const_double_index): Copy signed results of
10169         REAL_VALUE_TO_INT into unsigned vars.
10170
10171 2007-07-05  Richard Guenther  <rguenther@suse.de>
10172
10173         PR middle-end/32639
10174         * alias.c (get_alias_set): Tread METHOD_TYPE the same as
10175         FUNCTION_TYPE.
10176         * tree-ssa.c (useless_type_conversion_p): Check canonical
10177         types early.
10178
10179 2007-07-05 Anatoly Sokolov <aesok@post.ru>
10180
10181         * config/avr/avr.md (zero_extendqihi2, zero_extendqisi2, 
10182         zero_extendhisi2): Change to define_insn_and_split. 
10183         (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New.
10184
10185 2007-07-05  Paolo Bonzini  <bonzini@gnu.org>
10186
10187         * function.c (match_asm_constraints_1, rest_of_match_asm_constraints,
10188         pass_match_asm_constraints): New.
10189         * passes.c (init_optimization_passes): Add new pass.
10190         * stmt.c (expand_asm_operands): Set cfun->has_asm_statement.
10191         * function.h (struct function): Add has_asm_statement bit.
10192         (current_function_has_asm_statement): New.
10193         * tree-pass.h (pass_match_asm_constraints): New.
10194
10195 2007-07-05  Richard Sandiford  <rsandifo@nildram.co.uk>
10196
10197         * config/mips/mips.c (mips_file_start): Avoid declaration
10198         after code.
10199
10200 2007-07-05  Sandra Loosemore  <sandra@codesourcery.com>
10201
10202         * optabs.c (expand_binop_directly): Fix signed/unsigned comparison.
10203
10204 2007-07-05  Uros Bizjak  <ubizjak@gmail.com>
10205
10206         * rtl.def (NOTE): Change print format string to print
10207         operand 5 as a note insn name.
10208
10209 2007-07-05  Sandra Loosemore  <sandra@codesourcery.com>
10210             David Ung  <davidu@mips.com>
10211
10212         * config/mips/mips.c (mips_cpu_info): Add 4ksc and 4ksd processors.
10213         * doc/invoke.texi: (MIPS Options): Document them.
10214
10215 2007-07-05  Sandra Loosemore  <sandra@codesourcery.com>
10216             David Ung  <davidu@mips.com>
10217
10218         Add support for SmartMIPS ASE.
10219
10220         * optabs.c (expand_binop_directly): New, broken out from...
10221         (expand_binop): Here.  Make it try rotating in the other
10222         direction even when the second operand isn't constant.
10223         * config/mips/mips.md (*lwxs): New.
10224         * config/mips/mips.opt (msmartmips): New.
10225         * config/mips/mips.c (mips_lwxs_address_p): New.
10226         (mips_rtx_costs): Make it recognize scaled indexed addressing.
10227         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define
10228         __mips_smartmips when compiling for TARGET_SMARTMIPS.
10229         (ISA_HAS_ROR): Define for TARGET_SMARTMIPS.
10230         (ISA_HAS_LWXS): New.
10231         (ASM_SPEC): Add -msmartmips/-mno-smartmips.
10232         * doc/invoke.texi (MIPS Options): Document -msmartmips/-mno-smartmips.
10233         * testsuite/gcc.target/mips/smartmips-lwxs.c: New test case.
10234         * testsuite/gcc.target/mips/smartmips-ror-1.c: New test case.
10235         * testsuite/gcc.target/mips/smartmips-ror-2.c: New test case.
10236         * testsuite/gcc.target/mips/smartmips-ror-3.c: New test case.
10237         * testsuite/gcc.target/mips/smartmips-ror-4.c: New test case.
10238
10239 2007-07-05  Dorit Nuzman  <dorit@il.ibm.com>
10240
10241         * tree-vectorizer.c (new_loop_vec_info): Initialize
10242         LOOP_VINFO_COST_MODEL_MIN_ITERS.
10243         * tree-vectorizer.h (_loop_vec_info): Added new filed
10244         min_profitable_iters.
10245         (LOOP_VINFO_COST_MODEL_MIN_ITERS): New access macro to above new field.
10246         (TARG_SCALAR_TO_VEC_COST): Define cost of scalar to vector operation.
10247         * tree-vect-analyze.c (vect_analyze_operations): Set
10248         LOOP_VINFO_COST_MODEL_MIN_ITERS.
10249         * tree-vect-transform.c (vect_estimate_min_profitable_iters): Use
10250         VEC_length to determine if there are any LOOP_VINFO_MAY_MISALIGN_STMTS.
10251         Fix calculation of peel_iters_prologue. Move consideration of epilogue
10252         and prologue cost to after they are computed.
10253         (vect_model_induction_cost): Use TARG_SCALAR_TO_VEC_COST instead of
10254         TARG_VEC_STMT_COST.
10255         (vect_model_simple_cost): Takes additional argument dt. Consider cost
10256         of creating vectors from scalars according to dt.
10257         (vect_model_store_cost): Likewise.
10258         (vectorizable_call): Use dt array instead of scalar dt. Call
10259         vect_model_simple_cost with additional argument dt.
10260         (vectorizable_assignment): Likewise.
10261         (vectorizable_operation): Likewise.
10262         (vectorizable_type_demotion): Likewise.
10263         (vectorizable_type_promotion): Likewise.
10264         (vectorizable_store): Use dt array instead of scalar dt. Call
10265         vect_model_store_cost with additional argument dt.
10266         (vect_do_peeling_for_loop_bound): Don't call
10267         vect_estimate_min_profitable_iters. Instead, lookup
10268         LOOP_VINFO_COST_MODEL_MIN_ITERS. Don't always print
10269         "may not be profitable".
10270
10271 2007-07-05  Dorit Nuzman  <dorit@il.ibm.com>
10272
10273         PR testsuite/32014
10274         * config/rs6000/altivec.md (UNSPEC_VUPKHS_V4SF, UNSPEC_VUPKLS_V4SF):
10275         (UNSPEC_VUPKHU_V4SF, UNSPEC_VUPKLU_V4SF): New.
10276         (vec_unpacks_float_hi_v8hi, vec_unpacks_float_lo_v8hi): New patterns.
10277         (vec_unpacku_float_hi_v8hi, vec_unpacku_float_lo_v8hi): New patterns. 
10278
10279 2007-07-05  Zdenek Dvorak  <dvorakz@suse.cz>
10280
10281         * config/i386/i386.c (ix86_address_cost): Do not consider more complex
10282         addressing modes cheaper.
10283
10284 2007-07-05  Alexandre Oliva  <aoliva@redhat.com>
10285
10286         * dwarf2out.c (dw_ranges_by_label_ref): New typedef.
10287         (dw_ranges_struct): Rename block_num to num.  Adjust.
10288         (dw_ranges_by_label_struct): New.
10289         (ranges_by_label, ranges_by_label_allocated,
10290         ranges_by_label_in_use): New variables.
10291         (add_ranges_num): Factored most of the code out of...
10292         (add_ranges): ... this one.  Rewrite in terms of the former.
10293         (add_ranges_by_labels): New.
10294         (output_ranges): Output by-label ranges.
10295         (dwarf2out_finish): Output range for multiple-section
10296         compile_unit.  Output standard DW_AT_low_pc in addition to
10297         unexpected DW_AT_entry_pc.
10298
10299 2007-07-04  Daniel Berlin  <dberlin@dberlin.org>
10300
10301         PR tree-optimization/32604
10302         PR tree-optimization/32606
10303
10304         * tree-ssa-pre.c (bb_bitmap_sets): Removed antic_safe_loads.
10305         (compute_antic_safe): Removed.
10306         (ANTIC_SAFE_LOADS): Ditto.
10307         (compute_antic_aux): Don't print ANTIC_SAFE_LOADS.
10308         (execute_pre): Don't call compute_antic_safe.
10309         (vuse_equiv): New function.
10310         (make_values_for_stmt): Use it
10311         * tree-ssa-sccvn.c (set_ssa_val_to): Remove assert, since it is
10312         not always true.
10313
10314 2007-07-04 Anatoly Sokolov <aesok@post.ru>
10315
10316         PR target/31331
10317         * config/avr/avr.c (avr_naked_function_p): Handle receiving a type
10318         rather than a decl. 
10319         (avr_attribute_table): Make "naked" attribute apply to function types
10320         rather than to decls.
10321         (avr_handle_fntype_attribute): New function.
10322
10323 2007-07-04  Joseph Myers  <joseph@codesourcery.com>
10324
10325         * target-def.h (TARGET_INITIALIZER): Remove trailing whitespace
10326         after \.
10327
10328 2007-07-04  David Ung  <davidu@mips.com>
10329             Joseph Myers  <joseph@codesourcery.com>
10330
10331         * config/mips/mips.md (type): Add logical, signext and move.
10332         (one_cmpl<mode>2, *and<mode>3, *and<mode>3_mips16, *ior<mode>3,
10333         *ior<mode>3_mips16, two unnamed insns after *ior<mode>3_mips16,
10334         *nor<mode>3, "Combiner patterns to optimize truncate/zero_extend
10335         combinations", *zero_extend<SHORT:mode><GPR:mode>2,
10336         *zero_extendqihi2, *extend<SHORT:mode><GPR:mode>2_mips16e,
10337         *extend<SHORT:mode><GPR:mode>2_se<SHORT:size>, *movdi_64bit,
10338         *movdi_64bit_mips16, *movsi_internal, *movsi_mips16, movcc,
10339         *movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16,
10340         *movsf_hardfloat, *movsf_softfloat, *movsf_mips16,
10341         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit,
10342         movv2sf_hardfloat_64bit): Use the new types.
10343         (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16,
10344         *movdf_softfloat, *movdf_mips16): Use "multi".
10345         (extendqihi2): Replace with a define_expand.
10346         (*extendqihi2_mips16e, *extendqihi2, *extendqihi2_seb): New.
10347         Based on extend<SHORT:mode><GPR:mode>2 patterns.
10348         * config/mips/74k.md (r74k_int_logical): New reservation and
10349         bypasses.
10350         (r74k_int_arith): Remove "slt".
10351         * config/mips/24k.md, config/mips/4130.md, config/mips/4k.md,
10352         config/mips/5400.md, config/mips/5500.md, config/mips/5k.md,
10353         config/mips/7000.md, config/mips/9000.md, config/mips/generic.md,
10354         config/mips/sb1.md, config/mips/sr71k.md: Add new types to
10355         reservations for "arith".
10356
10357 2007-07-04  Richard Guenther  <rguenther@suse.de>
10358
10359         * tree-ssa.c (useless_type_conversion_p): Add handling for
10360         scalar float and vector types.  Only call the types_compatible_p
10361         langhook for aggregate types as last resort.  Follow the
10362         rules.
10363
10364 2007-07-04  Richard Guenther  <rguenther@suse.de>
10365
10366         * tree-inline.c (estimate_num_insns_1): Treat CONVERT_EXPR
10367         the same as NOP_EXPR.
10368
10369 2007-07-04  Nick Clifton  <nickc@redhat.com>
10370
10371         * target.h (struct gcc_target): Add target_help field.
10372         * target-def.h (TARGET_HELP): New.
10373         (TARGET_INITIALIZER): Use TARGET_HELP.
10374         * opts.c (command_handle_option): Invoke target_help function, if
10375         defined, when the user has specified --target-help on the command
10376         line.
10377         * doc/invoke.texi: Mention that --target-help might print
10378         additional information.
10379         * doc/tm.texi: Document TARGET_HELP hook.
10380
10381         * arm.c (TARGET_HELP): Override default definition.
10382         (arm_target_help): New - display a wrapped list of cores and
10383         architectures supported.
10384
10385 2007-07-04  Rask Ingemann Lambertsen  <rask@sygehus.dk>
10386
10387         * config/v850/v850.c (expand_prologue): Make sure
10388         GEN_INT() argument is sign extended rather than zero extended.
10389         (expand_epilogue): Likewise.
10390         (output_move_double): Delete.
10391         * config/v850/v850-protos.h (output_move_double): Delete.
10392         * config/v850/v850.md (movdi): Delete.
10393         (*movdi_internal): Delete.
10394         (movdf): Delete.
10395         (*movdf_internal): Delete.
10396
10397 2007-07-04  Richard Sandiford  <richard@codesourcery.com>
10398
10399         * config/sh/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Reject -mrelax
10400         unless compiling RTP PIC.
10401
10402 2007-07-04  Richard Guenther  <rguenther@suse.de>
10403
10404         PR tree-optimization/32482
10405         * tree-ssa-ifcombine.c (recognize_single_bit_test): Use the
10406         original ssa name if we didn't find a shift expression.
10407         Fix shift constant for bit zero test.
10408
10409 2007-07-04  Richard Sandiford  <richard@codesourcery.com>
10410
10411         * config/sh/lib1funcs.asm (ic_invalidate): Align constant pool.
10412
10413 2007-07-04  Richard Sandiford  <richard@codesourcery.com>
10414
10415         * config.gcc (arm-wrs-vxworks): Don't include svr4.h.
10416         * config/vxworks.h (PTRDIFF_TYPE, SIZE_TYPE, TARGET_POSIX_IO): Define.
10417         * config/arm/vxworks.h (ASM_SPEC): Delete.
10418         (SUBTARGET_EXTRA_ASM_SPEC): Define.
10419
10420 2007-07-04  Sebastian Pop  <sebpop@gmail.com>
10421
10422         * tree-data-ref.h (data_dependence_relation): New flag reversed_p.
10423         (DDR_REVERSED_P): New.
10424         * tree-data-ref.c (initialize_data_dependence_relation,
10425         build_classic_dist_vector): Set DDR_REVERSED_P.
10426
10427 2007-07-04  Sebastian Pop  <sebpop@gmail.com>
10428
10429         PR middle-end/32457
10430         * tree-data-ref.c (analyze_siv_subscript_cst_affine,
10431         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
10432         init_omega_for_ddr_1): Use non conservative number of iterations
10433         estimations.
10434         (analyze_subscript_affine_affine): Use HOST_WIDE_INT instead of int.
10435         (analyze_siv_subscript): Remove FIXME and reinitialization of 
10436         last_conflicts to chrec_dont_know.
10437         * testsuite/gfortran.dg/vect/pr32457.f90: New.
10438
10439 2007-07-04  Douglas Gregor  <doug.gregor@gmail.com>
10440
10441         * tree.c (maybe_canonicalize_argtypes): Improve description.
10442
10443 2007-07-04  Douglas Gregor  <doug.gregor@gmail.com>
10444
10445         * tree.c (maybe_canonicalize_argtypes): New.
10446         (build_function_type): Set canonical type.
10447         (build_method_type_directly): Ditto.
10448         (reconstruct_complex_type): Rebuild the METHOD_TYPE node
10449         properly.
10450
10451 2007-07-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10452
10453         * tree-ssa-loop-ivopts.c (strip_offset_1): Treat POINTER_PLUS_EXPR
10454         like PLUS_EXPR.
10455         (rewrite_use_nonlinear_expr): Likewise.
10456
10457 2007-07-03  Seongbae Park  <seongbae.park@gmail.com>
10458
10459         * rtl.def (UNSPEC, USE, CLOBBER): More comments.
10460
10461 2007-07-04  Ben Elliston  <bje@au.ibm.com>
10462
10463         * dwarf2out.c: Move DWARF2 abbreviation glossary closer to the top
10464         of this file.
10465
10466         * c-objc-common.c (c_types_compatible_p): Fix indentation.
10467
10468         * doc/tm.texi (Run-time Target): Capitalise "CPU".
10469         (Exception Handling): Likewise.
10470
10471 2007-07-03  Jan Hubicka  <jh@suse.cz>
10472
10473         * ifcvt.c (find_cond_trap): Avoid invalid RTL sharing.
10474
10475 2007-07-03  Eric Christopher  <echristo@apple.com>
10476
10477         * doc/cppopts.texi: Add conflicting option note to -dM.
10478         * doc/invoke.texi: Add note about possible conflicts with
10479         -E for -dCHARS and note that -dM will not produce
10480         any results if there is no machine dependent reorg.
10481         
10482 2007-07-03  Geoffrey Keating  <geoffk@apple.com>
10483
10484         * tree.h (DECL_ALIGN): Back out previous change.
10485
10486 2007-07-03  Joseph Myers  <joseph@codesourcery.com>
10487
10488         * configure.ac: Test for .dtprelword support on MIPS.
10489         * configure, config.in: Regenerate.
10490         * config/mips/mips.c (mips_output_dwarf_dtprel): New.
10491         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
10492
10493 2007-07-03  Julian Brown  <julian@codesourcery.com>
10494
10495         * config.gcc (with_fpu): Allow --with-fpu=vfp3.
10496         * config/arm/aout.h (REGISTER_NAMES): Add D16-D31.
10497         * config/arm/aof.h (REGISTER_NAMES): Add D16-D31.
10498         * config/arm/arm.c (FL_VFPV3): New flag for VFPv3 processor
10499         capability.
10500         (all_fpus): Add FPUTYPE_VFP3.
10501         (fp_model_for_fpu): Add VFPv3 field.
10502         (arm_rtx_costs_1): Give cost to VFPv3 constants.
10503         (vfp3_const_double_index): New function. Return integer index of
10504         VFPv3 constant suitable for fconst[sd] insns, or -1 if constant
10505         isn't suitable.
10506         (vfp3_const_double_rtx): New function. True if VFPv3 is enabled
10507         and argument represents a valid RTX for a VFPv3 constant.
10508         (vfp_output_fldmd): Split fldmd with > 16 registers in the list into
10509         two instructions.
10510         (vfp_emit_fstmd): Similar, for fstmd.
10511         (arm_print_operand): Implement new code 'G' for VFPv3 floating-point
10512         constants, represented as integer indices.
10513         (arm_hard_regno_mode_ok): Use VFP_REGNO_OK_FOR_SINGLE,
10514         VFP_REGNO_OK_FOR_DOUBLE macros.
10515         (arm_regno_class): Handle VFPv3 d0-d7, low, high register split.
10516         (arm_file_start): Set float-abi attribute for VFPv3, and output
10517         correct ".fpu" assembler directive.
10518         (arm_dbx_register_numbering): Add FIXME.
10519         * config/arm/arm.h (TARGET_VFP3): New macro. Target supports VFPv3.
10520         (fputype): Add FPUTYPE_VFP3.
10521         (FIXED_REGISTERS): Add 32 registers for D16-D31.
10522         (CALL_USED_REGISTERS): Likewise.
10523         (CONDITIONAL_REGISTER_USAGE): Add note about conditional definition
10524         of LAST_VFP_REGNUM. Make D16-D31 caller-saved, if present.
10525         (LAST_VFP_REGNUM): Extend available VFP registers for VFPv3.
10526         (D7_VFP_REGNUM): New.
10527         (LAST_LO_VFP_REGNUM, FIRST_HI_VFP_REGNUM, LAST_HI_VFP_REGNUM)
10528         (VFP_REGNO_OK_FOR_SINGLE, VFP_REGNO_OK_FOR_SINGLE)
10529         (VFP_REGNO_OK_FOR_DOUBLE): Define new macros.
10530         (FIRST_PSEUDO_REGISTER): Shift up to 128 to accommodate VFPv3.
10531         (REG_ALLOC_ORDER): Adjust for VFPv3.
10532         (reg_class): Add VFP_D0_D7_REGS, VFP_LO_REGS, VFP_HI_REGS.
10533         (REG_CLASS_NAMES): Add entries corresponding to VFP_D0_D7_REGS,
10534         VFP_LO_REGS, VFP_HI_REGS.
10535         (REG_CLASS_CONTENTS): Likewise. Extend contents for VFP_REGS.
10536         (IS_VFP_CLASS): Define macro.
10537         (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Use
10538         IS_VFP_CLASS.
10539         (REGISTER_MOVE_COST): Likewise.
10540         * config/arm/arm-protos.h (vfp3_const_double_rtx): Add prototype.
10541         * config/arm/vfp.md (VFPCC_REGNUM): Redefine as 127.
10542         (*arm_movsi_vfp, *thumb2_movsi_vfp, *movsfcc_vfp)
10543         (*thumb2_movsfcc_vfp, *abssf2_vfp, *negsf2_vfp, *addsf3_vfp)
10544         (*subsf3_vfp, *divsf_vfp, *mulsf_vfp, *mulsf3negsf_vfp)
10545         (*mulsf3addsf_vfp, *mulsf3subsf_vfp, *mulsf3negsfaddsf_vfp)
10546         (*extendsfdf2_vfp, *truncdfsf2_vfp, *truncsisf2_vfp)
10547         (*truncsidf2_vfp, fixuns_truncsfsi2, fixuns_truncdfsi2)
10548         (*floatsisf2_vfp, *floatsidf2_vfp, floatunssisf2)
10549         (floatunssidf2, *sqrtsf2_vfp, *cmpsf_split_vfp)
10550         (*cmpsf_trap_split_vfp, *cmpsf_vfp, *cmpsf_trap_vfp): Use 't'
10551         where appropriate for single-word registers.
10552         (*movsf_vfp, *thumb2_movsf_vfp, *movdf_vfp, *thumb2_movdf_vfp):
10553         As above. Fix type attributes.
10554         * config/arm/constraints.md (register_contraint "t"): Define.
10555         (register_constraint "w"): Change to D0-D15, or D0-D31 for
10556         VFPv3/NEON.
10557         (register_constraint "x"): Define.
10558         (constraint "Dv"): Define.
10559
10560 2007-07-03  Geoffrey Keating  <geoffk@apple.com>
10561
10562         * tree.h (DECL_ALIGN): Prevent use on a FUNCTION_DECL.
10563
10564 2007-07-03  Tom Tromey  <tromey@redhat.com>
10565
10566         * c-parser.c (objc_pq_context): Removed.
10567         (objc_need_raw_identifier): Likewise.
10568         (c_parser) <objc_pq_context>: New field.
10569         <objc_need_raw_identifier>: Likewise.
10570         (OBJC_NEED_RAW_IDENTIFIER): Removed.
10571         (c_lex_one_token): Update.
10572         (c_parser_objc_protocol_definition): Update.
10573         (c_parser_objc_method_definition): Update.
10574         (c_parser_objc_methodproto): Update.
10575         (c_parser_declspecs): Update.
10576
10577 2007-07-03  David Ung  <davidu@mips.com>
10578
10579         * config/mips/mips.c (mips_issue_rate): Return 4 for 74K processors.
10580
10581 2007-07-03  David Ung  <davidu@mips.com>
10582             Richard Sandiford  <richard@codesourcery.com>
10583
10584         * doc/invoke.texi: Document -march=74kf3_2.
10585         * config/mips/mips.h (PROCESSOR_74KF3_2): New processor_type.
10586         (TUNE_74K): Check for it.
10587         * config/mips/mips.c (mips_cpu_info): Add 74kf3_2.
10588         (mips_rtx_cost_data): Add an entry for PROCESSOR_74KF3_2.
10589         * config/mips/mips.md (cpu): Add 74kf3_2.
10590         * config/mips/74k.md (r74k_int_logical, r74k_int_arith, r74k_int_nop)
10591         (r74k_int_cmove, r74k_int_mult, r74k_int_mul3, r74k_int_mfhilo)
10592         (r74k_int_mthilo, r74k_int_div, r74k_int_call, r74k_int_jump)
10593         (r74k_int_load, r74k_int_store, r74k_unknown, r74k_multi): Add
10594         74kf3_2 to the CPU list.
10595         (r74kf3_2_fadd, r74kf3_2_fmove, r74kf3_2_fload, r74kf3_2_fstore)
10596         (r74kf3_2_fmul_sf, r74kf3_2_fmul_df, r74kf3_2_fdiv_sf)
10597         (r74kf3_2_fdiv_df, r74kf3_2_frsqrt_sf, r74kf3_2_frsqrt_df)
10598         (r74kf3_2_fcmp, r74kf3_2_fcvt, r74kf3_2_fxfer_to_c1)
10599         (r74kf3_2_fxfer_from_c1): New insn reservations.
10600
10601 2007-07-03  Richard Sandiford  <richard@codesourcery.com>
10602             David Ung  <davidu@mips.com>
10603
10604         * doc/invoke.texi: Replace -march=24kf with -march=24kf2_1 and
10605         -march=24kx with -march=24kf1_1.  Likewise 24ke[fx], 34k[fx]
10606         and 74k[fx].  Document aliases for the new options.
10607         * config/mips/mips.h (PROCESSOR_24KF): Rename to...
10608         (PROCESSOR_24KF2_1): ...this.
10609         (PROCESSOR_24KX): Rename to...
10610         (PROCESSOR_24KF1_1): ...this.
10611         (PROCESSOR_74KF): Rename to...
10612         (PROCESSOR_74KF2_1): ...this.
10613         (PROCESSOR_74KX): Rename to...
10614         (PROCESSOR_74KF1_1): ...this.
10615         (TUNE_74K): Update PROCESSOR_* names.
10616         * config/mips/mips.c (mips_cpu_info): Add 24kf2_1 as a synonym
10617         for 24kf.  Add 24kf1_1 and 24kfx as synonyms for 24kx.  Likewise
10618         the 24ke*, 34k* and 74k* processors.  Update PROCESSOR_* names.
10619         (mips_rtx_cost_data): Update processor names in comments.
10620         (mips_issue_rate): Update PROCESSOR_* names.
10621         * config/mips/mips.md (cpu): Rename 24kf to 24kf2_1, 24kx to
10622         24kf1_1, 74kf to 74kf2_1 and 74kx to 74kf1_1.
10623         * config/mips/24k.md: Rename FPU-related r24k_* insn reservations
10624         to r24kf2_1_*.  Rename r24kx_* insn reservations to r24kf1_1_*.
10625         Update cpu attribute names.
10626         (r24k_fpu_iss): Rename this reservation to...
10627         (r24kf2_1_fpu_iss): ...this and update all uses.
10628         (r24kx_fpu_iss): Rename this reservation to...
10629         (r24kf1_1_fpu_iss): ...this and update all uses.
10630         * config/mips/74k.md: Rename FPU-related r74kf_* insn reservations
10631         to r74kf2_1_*.  Rename r74kx_* insn reservations to r74kf1_1_*.
10632         Update cpu attribute names.
10633
10634 2007-07-01  Kaz Kojima  <kkojima@gcc.gnu.org>
10635
10636         * config/m32r/constraints.md: New file.
10637         * config/m32r/m32r.c: Include tm-constrs.h.
10638         (small_data_operand): Use satisfies_constraint_* instead of macro.
10639         (addr24_operand, gen_compare): Likewise.
10640         * config/m32r/m32r.h (REG_CLASS_FROM_LETTER): Remove.
10641         (INT8_P, UPPER16_P, UINT32_P, UINT5_P, INVERTED_SIGNED_8BIT,
10642         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
10643         EXTRA_CONSTRAINT): Likewise.
10644         * config/m32r/m32r.md: Include constraints.md.
10645         (*movsi_insn): Use satisfies_constraint_* instead of macro.
10646         (andsi3, iorsi3, xorsi3, seq_insn+1, sne): Likewise.
10647         * config/m32r/predicates.md (conditional_move_operand): Likewise.
10648         (two_insn_const_operand, int8_operand, uint16_operand,
10649         reg_or_int16_operand, reg_or_uint16_operand,
10650         reg_or_cmp_int16_operand, cmp_int16_operand,
10651         seth_add3_operand): Likewise.
10652
10653 2007-07-03  Eric Christopher  <echristo@gmail.com>
10654
10655         * libgcc2.h: Conditionally declare __bswapsi2 and
10656         __bswapdi2.
10657         
10658 2007-07-03  H.J. Lu  <hongjiu.lu@intel.com>
10659
10660         * ddg.c (check_sccs): Define only if ENABLE_CHECKING is
10661         defined.
10662
10663 2007-07-03  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10664
10665         PR target/28307
10666         * gthr-posix.h [SUPPORTS_WEAK && GTHREAD_USE_WEAK]
10667         (__gthrw_pragma): Provide default definition.
10668         (__gthrw2): Use it.
10669         * gthr-posix.c (__gthrw_pragma): Define.
10670
10671 2007-07-03  Daniel Berlin  <dberlin@dberlin.org>
10672
10673         * tree-ssa-sccvn.c (set_ssa_val_to): Check for operand_equal_p
10674         before declaring inequality.
10675
10676 2007-07-03  Rask Ingemann Lambertsen  <rask@sygehus.dk>
10677
10678         * combine.c (recog_for_combine): Log the success or failure of
10679           matching new insn patterns against the machine description in
10680           detailed dumps.
10681
10682 2007-07-03  Revital Eres  <eres@il.ibm.com>
10683
10684         * ddg.c (print_sccs): New function.
10685         (check_sccs): New function.
10686         (create_ddg_all_sccs): Use it.
10687         * ddg.h (print_sccs): Declare.
10688         * modulo-sched.c (sms_order_nodes): Call print_sccs.
10689
10690 2007-07-03  Uros Bizjak  <ubizjak@gmail.com>
10691
10692         * targhooks.h (default_mode_for_suffix): New function declaration.
10693         * targhooks.c (default_mode_for_suffix): New default target hook.
10694         * target.h (struct c): New structure in the targetm struct.
10695         (mode_for_suffix): New target hook as part of struct c.
10696         target-def.h (TARGET_C_MODE_FOR_SUFFIX): Define as
10697         default_mode_for_suffix.
10698         (TARGET_C): New define.
10699         * c-lex.c: Include "target.h".
10700         (interpret_float): Use targetm.c.mode_for_suffix to determine
10701         the mode for a given non-standard suffix.
10702         Makefile.in (c-lex.o): Depend on $(TARGET_H).
10703
10704         * config/i386/i386.c (ix86_c_mode_for_suffix): New static function.
10705         (TARGET_C_MODE_FOR_SUFFIX): Define to ix86_c_mode_for_suffix.
10706
10707         * doc/extend.texi (Floating Types): New node.  Document __float80 and
10708         __float128 types.  Document 'w', 'W', 'q' and 'Q' suffixes.
10709
10710 2007-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
10711
10712         PR target/32506
10713         * config/sh/sh.md (udivsi3_i1_media): Use target_reg_operand
10714         predicate instead of target_operand.
10715         (divsi3_i1_media, divsi3_media_2): Likewise.
10716
10717 2007-07-02  Eric Botcazou  <ebotcazou@adacore.com>
10718
10719         * tree.h (alias_sets_might_conflict_p): Rename into
10720         alias_sets_must_conflict_p.
10721         * alias.c (alias_sets_might_conflict_p): Likewise.
10722         (alias_sets_conflict_p): Use it.
10723         (objects_must_conflict_p): Likewise.
10724         * c-common.c (strict_aliasing_warning): Adjust.
10725
10726 2007-07-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10727
10728         * rtlhooks.c (gen_lowpart_if_possible): Check for
10729         invalid subreg before calling gen_lowpart_SUBREG.
10730
10731 2007-07-02  Geoffrey Keating  <geoffk@apple.com>
10732
10733         * config/darwin9.h: Add copyright notice.
10734         (LINK_COMMAND_SPEC): Add comment.
10735         (DARWIN_LIBSYSTEM_HAS_UNWIND): Define.
10736         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Conditionalise on
10737         DARWIN_LIBSYSTEM_HAS_UNWIND.
10738
10739 2007-07-02  Jakub Jelinek  <jakub@redhat.com>
10740
10741         PR libgomp/32468
10742         * omp-low.c (check_combined_parallel): New function.
10743         (lower_omp_parallel): Call it via walk_stmts, set
10744         OMP_PARALLEL_COMBINED if appropriate.
10745         (determine_parallel_type): If OMP_FOR resp. OMP_SECTIONS
10746         isn't the only statement in WS_ENTRY_BB or OMP_RETURN
10747         the only one in PAR_EXIT_BB and not OMP_PARALLEL_COMBINED,
10748         don't consider it as combined parallel.
10749
10750 2007-07-02  Richard Sandiford  <richard@codesourcery.com>
10751
10752         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
10753         (gcc_tooldir): Likewise.
10754         * configure: Regenerate.
10755         * Makefile.in (libsubdir_to_prefix): New variable, based on the
10756         old configure.ac gcc_tooldir setting.
10757         (prefix_to_exec_prefix): New variable.
10758         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
10759         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
10760
10761 2007-07-02  Daniel Berlin  <dberlin@dberlin.org>
10762
10763         Fix PR tree-optimization/32583
10764         Fix PR tree-optimization/32584
10765         * tree-ssa-pre.c (phi_translate): Always pass seen bitmap.
10766         (phi_translate_set): Use phi_translate directly now.
10767         (make_values_for_stmt): Don't value number RHS if we already know
10768         it is constant.
10769
10770 2007-07-02  Steve Ellcey  <sje@cup.hp.com>
10771             Jim Wilson <wilson@specifix.com>
10772
10773         PR target/31684
10774         * haifa-sched.c (add_to_speculative_block): Change copy_rtx to
10775         copy_insn.
10776
10777 2007-07-02  Sandra Loosemore  <sandra@codesourcery.com>
10778             Richard Sandiford  <richard@codesourcery.com>
10779             Nigel Stephens  <nigel@mips.com>
10780
10781         * config/mips/mips-protos.h (mips16e_save_restore_info): New struct.
10782         (mips16e_output_save_restore): Declare.
10783         (mips16e_save_restore_pattern_p): Likewise.
10784         * config/mips/mips.h (GENERATE_MIPS16E_SAVE_RESTORE): New macro.
10785         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Return 0x7f8
10786         for GENERATE_MIPS16E_SAVE_RESTORE.  Return 0x400 for TARGET_MIPS16
10787         && !GENERATE_MIPS16E_SAVE_RESTORE && !TARGET_64BIT.
10788         (BITSET_P): New global macro, extracted from...
10789         (mips_for_each_saved_reg): ...here.
10790         (mips16e_save_restore_info): New struct.
10791         (mips16e_s2_s8_regs, mips16e_a0_a3_regs): New variables.
10792         (mips16e_save_restore_regs): New variable.
10793         (mips_split_plus, mips16e_find_first_register): New functions.
10794         (mips16e_mask_registers): New function.
10795         (compute_frame_size): Expand the commentary before the function.
10796         Enforce the MIPS16e save and restore register range restrictions.
10797         Pad the general register save area at the low end.
10798         (mips16e_save_restore_reg, mips16e_build_save_restore)
10799         (mips16e_save_restore_pattern_p, mips16e_add_register_range)
10800         (mips16e_output_save_restore, mips16e_collect_propagate_value)
10801         (mips16e_collect_argument_save, mips16e_collect_argument_saves):
10802         New functions.
10803         (mips_expand_prologue, mips_expand_epilogue): Handle
10804         GENERATE_MIPS16E_SAVE_RESTORE.
10805         * config/mips/mips.md (*mips16e_save_restore): New pattern.
10806
10807 2007-07-02  Uros Bizjak  <ubizjak@gmail.com>
10808
10809         PR tree-optimization/31966
10810         PR tree-optimization/32533
10811         * tree-if-conv.c (add_to_dst_predicate_list): Use "edge", not
10812         "basic_block" description as its third argument.  Update function
10813         calls to get destination bb from "edge" argument.  Save "cond" into
10814         aux field of the edge.  Update prototype for changed arguments.
10815         (if_convertible_loop_p): Clear aux field of incoming edges if bb
10816         contains phi node.
10817         (find_phi_replacement_condition): Operate on incoming edges, not
10818         on predecessor blocks.  If there is a condition saved in the
10819         incoming edge aux field, AND it with incoming bb predicate.
10820         Return source bb of the first edge.
10821         (clean_predicate_lists): Clean aux field of outgoing node edges.
10822         (tree_if_conversion): Do not initialize cond variable. Move
10823         variable declaration into the loop.
10824         (replace_phi_with_cond_gimple_modify_stmt): Remove unneded
10825         initializations of new_stmt, arg0 and arg1 variables.
10826
10827 2007-07-02  Jakub Jelinek  <jakub@redhat.com>
10828
10829         * tree-nrv.c (dest_safe_for_nrv_p): Grok any handled_component_p,
10830         SSA_NAMEs, RESULT_DECLs and PARM_DECLs.
10831
10832 2007-07-02  Richard Guenther  <rguenther@suse.de>
10833
10834         * tree-ssa.c (useless_type_conversion_p): Document
10835         future intent as defining the middle-end type system.
10836         Re-structure to call langhook last, group by type class,
10837         mark questionable parts.
10838
10839 2007-07-02  Richard Guenther  <rguenther@suse.de>
10840
10841         * tree-flow.h (types_compatible_p): Declare.
10842         * tree-ssa.c (types_compatible_p): New function.
10843         * ipa-type-escape.c (discover_unique_type): Use
10844         types_compatible_p instead of lang_hooks.types_compatible_p.
10845         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
10846         * tree-vn.c (expressions_equal_p): Likewise.
10847         * tree.c (fields_compatible_p): Likewise.
10848         * tree-ssa-dom.c (avail_expr_eq): Likewise.
10849         (cprop_operand): Use useless_type_conversion_p instead of
10850         lang_hooks.types_compatible_p.
10851         * tree-inline.c (setup_one_parameter): Likewise.
10852         (declare_return_variable): Likewise.
10853         * tree-nrv.c (tree_nrv): Likewise.
10854         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
10855         (maybe_fold_offset_to_component_ref): Likewise.
10856         (maybe_fold_offset_to_reference): Likewise.
10857         * tree-ssa-copy.c (may_propagate_copy): Likewise.
10858         (merge_alias_info): Likewise.
10859         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
10860         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
10861         * tree-ssa-reassoc.c (optimize_ops_list): Likewise.
10862         * tree-tailcall.c (find_tail_calls): Likewise.
10863         * tree-vect-generic.c (expand_vector_operations_1): Likewise.
10864         * gimplify.c (canonicalize_addr_expr): Likewise.
10865         (fold_indirect_ref_rhs): Likewise.
10866         (gimplify_addr_expr): Likewise.  Swap parameters to cpt_same_type.
10867         (cpt_same_type): Likewise.
10868         (check_pointer_types_r): Swap parameters to cpt_same_type
10869         where appropriate.
10870         * fold-const.c (fold_convert): Revert fix for PR15988.
10871         * tree-inline.c (setup_one_parameter): Instead fix it here by
10872         using fold_build1 instead of fold_convert and checking for
10873         error_mark_node.  Convert only if the conversion is necessary.
10874
10875 2007-07-02  Joseph Myers  <joseph@codesourcery.com>
10876
10877         * configure.ac: Check for .gnu_attribute on Power.
10878         * configure: Regenerate.
10879         * config/rs6000/rs6000.c (rs6000_file_start): If supported, output
10880         attribute for floating-point ABI.
10881
10882 2007-07-02  Ira Rosen  <irar@il.ibm.com>
10883
10884         PR tree-optimization/32230
10885         PR tree-optimization/32477
10886         * tree-vect-analyze.c (vect_analyze_data_refs): Fail if base 
10887         address is a constant.
10888
10889 2007-07-02  Richard Sandiford  <richard@codesourcery.com>
10890
10891         * config.gcc (mipsisa32-*-elf*, mipsisa32el-*-elf*)
10892         (mipsisa32r2-*-elf*, mipsisa32r2el-*-elf*)
10893         (mipsisa64-*-elf*, mipsisa64el-*-elf*): Combine top-level
10894         stanzas.  Use the first part of the triplet to set MIPS_ISA_DEFAULT.
10895         Remove redundant setting of MASK_FLOAT64 and MASK_64BIT for the
10896         64-bit targets.  Add support for *-elfoabi*.
10897         * config/mips/t-isa3264 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Use
10898         different settings if $(tm_defines) does not select the EABI.
10899         (MULTILIB_EXCLUSIONS): Define in those circumstances.
10900         * config/mips/mips.h (MIPS_ISA_LEVEL_OPTION_SPEC): New macro.
10901         (MIPS_ARCH_OPTION_SPEC): Likewise.
10902         (MIPS_ISA_LEVEL_SPEC): Likewise.
10903         (OPTION_DEFAULT_SPECS): Use MIPS_ARCH_OPTION_SPEC.
10904         * config/mips/elfoabi.h: New file.
10905
10906 2007-07-02  Richard Guenther  <rguenther@suse.de>
10907
10908         * tree-flow.h (tree_ssa_useless_type_conversion_1): Rename to ...
10909         (useless_type_conversion_p): ... this.
10910         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Rename to ...
10911         (useless_type_conversion_p): ... this.
10912         * builtins.c (fold_builtin_memory_op): Rename
10913         tree_ssa_useless_type_conversion_1 to useless_type_conversion_p.
10914         * tree-cfg.c (verify_expr): Likewise.
10915         * tree-ssa-address.c (tree_ssa_useless_type_conversion_1): Likewise.
10916         * tree-ssa-ccp.c (ccp_fold): Likewise.
10917         * tree-ssa-copy.c (may_propagate_copy): Likewise.
10918         * tree-ssa-dom.c (eliminate_redundant_computations): Likewise.
10919         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
10920         * tree-ssa-loop-niter.c (refine_bounds_using_guard): Likewise.
10921         * tree-ssa-pre.c (eliminate): Likewise.
10922         * tree-ssa.c (delete_tree_ssa): Likewise.
10923         (tree_ssa_useless_type_conversion): Likewise.
10924         * tree.c (build2_stat): Likewise.
10925
10926 2007-07-01  Daniel Berlin  <dberlin@dberlin.org>
10927
10928         Fix PR tree-optimization/32571
10929         * tree-ssa-sccvn.c (visit_use): Shortcut copies to avoid
10930         simplifying them.
10931
10932 2007-07-01  Daniel Berlin  <dberlin@dberlin.org>
10933
10934         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle constants
10935         and other expected operations explicitly, change default to
10936         gcc_unreachable. 
10937
10938 2007-07-01  Daniel Jacobowitz  <dan@codesourcery.com>
10939
10940         * config/arm/arm.c (arm_cannot_copy_insn_p): Do not expect a
10941         PARALLEL.
10942         * config/arm/arm.md (pic_add_dot_plus_four, pic_add_dot_plus_eight)
10943         (tls_load_dot_plus_eight): Move the label number into the unspec.
10944         * config/arm/thumb2.md (pic_load_dot_plus_four): Likewise.
10945
10946 2007-07-01  Andreas Schwab  <schwab@suse.de>
10947
10948         * dwarf2out.c (initial_return_save): Define only if used.
10949
10950 2007-07-01  Kenneth Zadeck <zadeck@naturalbridge.com>
10951
10952         Unreverting Richard's Revert of:
10953
10954         2007-06-27  Richard Sandiford  <richard@codesourcery.com>
10955
10956         * dce.c (deletable_insn_p_1): New function, split out from...
10957         (deletable_insn_p): ...here.  Only treat bare USEs and CLOBBERs
10958         specially, not those inside PARALLELs.  Remove BODY argument
10959         and adjust recursive call accordingly.
10960         (prescan_insns_for_dce): Update call to delete_insn_p.
10961
10962 2007-07-01  Vladimir Yanovsky  <yanov@il.ibm.com>
10963             Revital Eres  <eres@il.ibm.com>
10964
10965         * ddg.c (create_ddg_all_sccs): Fix missed
10966         initialization of scc_nodes.
10967
10968 2007-07-01  Uros Bizjak  <ubizjak@gmail.com>
10969
10970         PR middle-end/32559
10971         * fold-const.c (fold-binary) [PLUS_EXPR]: Convert ~X + X to 1 or
10972         X + ~X to 1 only for INTEGRAL_TYPE_P type.
10973
10974 2007-06-30  Joseph Myers  <joseph@codesourcery.com>
10975
10976         * configure.ac: Check for .gnu_attribute on MIPS.
10977         * configure, config.in: Regenerate.
10978         * config/mips/mips.c (mips_file_start): If supported, output
10979         attribute for floating-point ABI.
10980
10981 2007-06-30  Uros Bizjak  <ubizjak@gmail.com>
10982
10983         PR target/32433
10984         * config/i386/i386.md (ffssi2): Expand as ffs_cmove for TARGET_CMOVE.
10985         (ffs_cmove): New expander to expand using ctz pattern.
10986         (*ffs_cmove): Remove pattern.
10987         (*ffs_no_cmove): Enable only for !TARGET_CMOVE.
10988         (ffsdi2): Expand using ctz pattern.
10989         (*ffs_rex64): Remove pattern.
10990
10991 2007-06-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10992
10993         PR rtl-optimization/32296
10994         * pa.md (return): Delete pattern.
10995         (return_internal): Remove "(const_int 1)" from pattern.
10996         (epilogue): Use return_internal pattern for trivial returns.
10997         * pa-protos.h (hppa_can_use_return_insn_p): Delete declaration.
10998         * pa.c (hppa_can_use_return_insn_p): Delete function.  Include "df.h".
10999
11000 2007-06-30  Daniel Berlin  <dberlin@dberlin.org>
11001
11002         * tree-ssa-pre.c (is_exception_related): New function
11003         (can_value_number_operation): Use it.
11004
11005 2007-06-30  Daniel Berlin  <dberlin@dberlin.org>
11006         
11007         Fix PR tree-optimization/32540
11008         Fix PR tree-optimization/31651
11009
11010         * tree-ssa-sccvn.c: New file.
11011
11012         * tree-ssa-sccvn.h: Ditto.
11013         
11014         * tree-vn.c: Include tree-ssa-sccvn.h
11015         (val_expr_paid_d): Removed.
11016         (value_table): Ditto.
11017         (vn_compute): Ditto.
11018         (val_expr_pair_hash): Ditto.
11019         (val_expr_pair_expr_eq): Ditto.
11020         (copy_vuses_from_stmt): Ditto.
11021         (vn_delete): Ditto.
11022         (vn_init): Ditto.
11023         (shared_vuses_from_stmt): Ditto.
11024         (print_creation_to_file): Moved up.
11025         (sort_vuses): Ditto.
11026         (sort_vuses_heap): Ditto.
11027         (set_value_handle): Make non-static.
11028         (make_value_handle): Ditto.
11029         (vn_add): Rewritten to use sccvn lookups.
11030         (vn_add_with_vuses): Ditto.
11031         (vn_lookup): Ditto (and second argument removed).
11032         (vn_lookup_with_vuses): Ditto.
11033         (vn_lookup_or_add): Ditto (and second argument removed);
11034         (vn_lookup_or_add_with_vuses): Ditto.
11035         (vn_lookup_with_stmt): New.
11036         (vn_lookup_or_add_with_stmt): Ditto.
11037         (create_value_handle_for_expr): Ditto.
11038
11039         * tree-ssa-pre.c: Include tree-ssa-sccvn.h.
11040         (seen_during_translate): New function.
11041         (phi_trans_lookup): Use iterative_hash_expr, not vn_compute.
11042         (phi_trans_add): Ditto.
11043         (constant_expr_p): FIELD_DECL is always constant.
11044         (phi_translate_1): Renamed from phi_translate, add seen bitmap.
11045         Use constant_expr_p.
11046         Avoid infinite recursion on mutually valued expressions.
11047         Change callers of vn_lookup_or_add.
11048         (phi_translate): New function.
11049         (compute_antic_safe): Allow phi nodes.
11050         (create_component_ref_by_pieces): Update for FIELD_DECL change.
11051         (find_or_generate_expression): Rewrite slightly.
11052         (create_expression_by_pieces): Updated for vn_lookup_or_add
11053         change.
11054         Update VN_INFO for new names.
11055         (insert_into_preds_of_block): Update for new names.
11056         (add_to_exp_gen): New function.
11057         (add_to_sets): Use vn_lookup_or_add_with_stmt.
11058         (find_existing_value_expr): Rewrite to changed vn_lookup.
11059         (create_value_expr_from): Ditto, and use add_to_exp_gen.
11060         (try_look_through_load): Removed.
11061         (try_combine_conversion): Ditto.
11062         (get_sccvn_value): New function.
11063         (make_values_for_phi): Ditto.
11064         (make_values_for_stmt): Ditto.
11065         (compute_avail): Rewritten for vn_lookup_or_add changes and to use
11066         SCCVN.
11067         (init_pre): Update for SCCVN changes.
11068         (fini_pre): Ditto.
11069         (execute_pre): Ditto.
11070
11071         * tree-flow.h (make_value_handle): Declare.
11072         (set_value_handle): Ditto.
11073         (sort_vuses_heap): Ditto.
11074         (vn_lookup_or_add_with_stmt): Ditto.
11075         (vn_lookup_with_stmt): Ditto.
11076         (vn_compute): Remove.
11077         (vn_init): Ditto.
11078         (vn_delete): Ditto.
11079         (vn_lookup): Update arguments.
11080
11081         * Makefile.in (tree-ssa-pre.o): Add tree-ssa-sccvn.h
11082         (tree-vn.o): Ditto.
11083         (tree-ssa-sccvn.o): New.
11084         (OBJS-common): Add tree-ssa-sccvn.o
11085         
11086 2007-06-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11087
11088         PR c/4076
11089         * c-typeck.c (build_external_ref): Don't mark as used if called
11090         from itself.
11091         * calls.c (rtx_for_function_call): Likewise.
11092         
11093 2007-06-30  Richard Sandiford  <richard@codesourcery.com>
11094
11095         Revert:
11096
11097         2007-06-27  Richard Sandiford  <richard@codesourcery.com>
11098
11099         * dce.c (deletable_insn_p_1): New function, split out from...
11100         (deletable_insn_p): ...here.  Only treat bare USEs and CLOBBERs
11101         specially, not those inside PARALLELs.  Remove BODY argument
11102         and adjust recursive call accordingly.
11103         (prescan_insns_for_dce): Update call to delete_insn_p.
11104
11105 2007-06-30  Rask Ingemann Lambertsen <rask@sygehus.dk>
11106
11107         * combine.c (combine_validate_cost): New parameter NEWOTHERPAT.
11108         (try_combine): Move potential calls to undo_all() so they happen
11109         before we commit to using the combined insns.
11110
11111 2006-06-30  Jan Hubicka  <jh@suse.cz>
11112
11113         * loop-unroll.c (unroll_loop_runtime_iterations): Unshare newly emit
11114         code.
11115
11116 2006-06-30  Thomas Neumann  <tneumann@users.sourceforge.net>
11117
11118         * ipa.c (cgraph_postorder): Cast according to the coding conventions.
11119         (cgraph_remove_unreachable_nodes): Likewise.
11120         * ipa-cp.c (ipcp_propagate_stage): Use BOTTOM instead of integer 0.
11121         * ipa-inline.c (update_caller_keys): Cast according to the coding
11122         conventions.
11123         (cgraph_decide_recursive_inlining): Likewise.
11124         (cgraph_decide_inlining_of_small_function): Likewise.
11125         (try_inline): Likewise.
11126         (cgraph_decide_inlining_incrementally): Likewise.
11127         * ipa-pure-const.c (get_function_state): Likewise.
11128         (scan_function): Likewise.
11129         (analyze_function): Likewise.
11130         (static_execute): Likewise.
11131         * ipa-reference.c (scan_for_static_refs): Likewise.
11132         (merge_callee_local_info): Likewise.
11133         (analyze_function): Use type safe memory macros.
11134         (static_execute): Likewise. Cast according to the coding conventions.
11135         * ipa-type-escape.c (scan_for_regs): Cast according to the coding
11136         conventions.
11137         * ipa-utils.c (searchc): Likewise. Avoid using C++ keywords as variable
11138         names.
11139         (ipa_utils_reduced_inorder): Likewise. Use type safe memory macros.
11140         * ipa-utils.h (struct ipa_dfa_info): Avoid using C++ keywords as
11141         variable names.
11142
11143 2007-06-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11144
11145         PR middle-end/30024
11146         * emit-rtl.c (init_emit_once): Intilize const_tiny_rtx[0]
11147         for complex modes (both int and real).
11148
11149 2007-06-29  Jan Hubicka  <jh@suse.cz>
11150
11151         * cse.c: Rever accidentally comitted TODO_verify_rtl_sharing change.
11152
11153 2007-06-29  Jan Hubicka  <jh@suse.cz>
11154
11155         PR middle-end/32372
11156         * cse.c (cse_insn): Avoid invalid sharing in between register note and
11157         the insn pattern.
11158
11159 2007-06-29  Anatoly Sokolov <aesok@post.ru>
11160
11161         PR target/32335
11162         * config/avr/avr.c: Include dataflow header file.
11163         (expand_prologue): Adjust for prologue insn change.
11164         * config/avr/avr.md (call_prologue_saves): Only modify REG_SP once
11165         inside a insn.
11166
11167 2007-06-29  Richard Guenther  <rguenther@suse.de>
11168
11169         PR middle-end/32493
11170         * gimplify.c (gimplify_call_expr): Ignore variable argument parts
11171         during type verification.
11172
11173 2007-06-29  Jan Hubicka  <jh@suse.cz>
11174
11175         * recog.c (validate_change_rtx_1): Unshare TO argument.
11176
11177 2007-06-29  Uros Bizjak  <ubizjak@gmail.com>
11178
11179         PR tree-optimization/24659
11180         * tree-vect-transform.c (vectorizable_call): Handle
11181         (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
11182
11183         * config/i386/sse.md (vec_pack_sfix_v2df): New expander.
11184         * config/i386/i386.c (enum ix86_builtins)
11185         [IX86_BUILTIN_VEC_PACK_SFIX]: New constant.
11186         (struct bdesc_2arg) [__builtin_ia32_vec_pack_sfix]: New builtin
11187         description.
11188         (ix86_init_mmx_sse_builtins): Define all builtins with 2 arguments as
11189         const using def_builtin_const.
11190         (ix86_expand_binop_builtin): Remove bogus assert() that insn wants
11191         input operands in the same modes as the result.
11192         (ix86_builtin_vectorized_function): Handle BUILT_IN_LRINT.
11193
11194 2007-06-29  Richard Sandiford  <rsandifo@nildram.co.uk>
11195
11196         * df-problems.c (df_set_unused_notes_for_mw): Fix formatting.
11197         (df_set_dead_notes_for_mw): Likewise.
11198
11199 2007-06-29  Eric Botcazou  <ebotcazou@adacore.com>
11200
11201         * c-common.c (pointer_int_sum): Do the negation in sizetype.
11202
11203 2007-06-28  DJ Delorie  <dj@redhat.com>
11204
11205         * config/m32c/m32c.h (OVERRIDE_OPTIONS): Omit unneeded semicolon.
11206
11207 2007-06-28  Geoffrey Keating  <geoffk@apple.com>
11208
11209         * doc/invoke.texi (C++ Dialect Options): Document
11210         fvisibility-ms-compat.
11211         * c.opt (fvisibility-ms-compat): New.
11212
11213 2007-06-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11214
11215         PR tree-opt/32417
11216         * tree-affine.c (aff_combination_add_elt): Handle
11217         pointer addition specially.
11218
11219 2007-06-28  Jakub Jelinek  <jakub@redhat.com>
11220
11221         * config/rs6000/rs6000.c (rs6000_function_ok_for_sibcall): Ensure
11222         decl is non-external for AIX ABI.
11223
11224 2007-06-28  David Edelsohn  <edelsohn@gnu.org>
11225
11226         * config/rs6000/predicates.md (current_file_function_operand):
11227         Ensure the symbol is non-external for AIX ABI.
11228
11229 2007-06-28  Nick Clifton  <nickc@redhat.com>
11230
11231         * common.opt (fipa-matrix-reorg): Add Optimization attribute.
11232         (fdce, fdse, fpredictive-commoning): Likewise.
11233
11234 2007-06-28 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
11235
11236         PR other/31400
11237         * gcc.c (process_command): Recognize the new -static-libgfortran
11238         option.
11239
11240 2007-06-27  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11241
11242         PR target/32418
11243         * config/m32c/m32c.c (m32c_eh_return_stackadj_rtx): Dataflow fix:
11244         Use a call clobbered hard reg instead of a pseudo reg.
11245
11246 2007-06-27  Kaz Kojima  <kkojima@gcc.gnu.org>
11247
11248         * config/sh/sh.md (load_gbr): Use correct operand constraint.
11249
11250 2007-06-27  Kaz Kojima  <kkojima@gcc.gnu.org>
11251
11252         PR target/32479
11253         * config/sh/sh.md (udivsi3): Don't wrap the sequence with
11254         REG_LIBCALL and REG_RETVAL notes.
11255         (divsi3, mulsi3): Likewise.
11256         (mulhisi3): Likewise.  Use emit_libcall_block.
11257         (umulhisi3, smulsi3_highpart, umulsi3_highpart_i): Likewise.
11258
11259 2007-06-27  Seongbae Park  <seongbae.park@gmail.com>
11260
11261         PR rtl-optimization/32481
11262         * combine.c (adjust_for_new_dest): Rescan the changed insn.
11263
11264 2007-06-27  Richard Sandiford  <richard@codesourcery.com>
11265
11266         * dce.c (deletable_insn_p_1): New function, split out from...
11267         (deletable_insn_p): ...here.  Only treat bare USEs and CLOBBERs
11268         specially, not those inside PARALLELs.  Remove BODY argument
11269         and adjust recursive call accordingly.
11270         (prescan_insns_for_dce): Update call to delete_insn_p.
11271
11272 2007-06-27  Richard Guenther  <rguenther@suse.de>
11273
11274         PR middle-end/32492
11275         * tree.h (fold_convertible_p): Declare.
11276         * fold-const.c (fold_convertible_p): New function.
11277         * gimplify.c (gimplify_call_expr): Use fold_convertible_p
11278         instead of lang_hooks.types_compatible_p.
11279
11280 2007-06-26  Jan Hubicka  <jh@suse.cz>
11281
11282         * fwprop.c (try_fwprop_subst): Use validate_unshare_change.
11283         * postreload.c (reload_cse_simplify_set): Instead of copying the rtx
11284         early use validate_unshare_change.
11285         (reload_combine): Likewise.
11286         * recog.c (change_t): New field unshare.
11287         (validate_change_1): Rename from validate_change; add argument unshare.
11288         (validate_change): Turn into wrapper of validate_change_1; update
11289         prototype for bools.
11290         (validate_unshare_change): New.
11291         (confirm_change_group): Unshare changes if asked for; avoid unnecesary
11292         calls of df_insn_rescan.
11293         * recog.h (validate_change): Replace ints by bools.
11294         (validate_unshare_change): Declare.
11295
11296 2007-06-26  Kenneth Zadeck <zadeck@naturalbridge.com>
11297
11298         * tree.def (VEC_WIDEN_MULT_LO_EXPR): Corrected string name.
11299         
11300 2007-06-26  Steve Ellcey  <sje@cup.hp.com>
11301
11302         * builtins.c (expand_builtin_next_arg): Change Pmode to ptr_mode.
11303
11304 2007-06-25  Jan Hubicka  <jh@suse.cz>
11305
11306         * ipa-inline.c (cgraph_mark_inline): Assert that we never inline
11307         uninlinable call.
11308         (cgraph_decide_inlining_of_small_function, cgraph_decide_inlining,
11309         cgraph_decide_inlining_incrementally): Move uninlinability checks to
11310         places other call site specific checks are performed.
11311
11312 2007-06-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11313
11314         PR tree-opt/32421
11315         * tree-vect-transform.c (vectorizable_operation): Convert
11316         POINTER_PLUS_EXPR over to PLUS_EXPR.
11317
11318 2007-06-25  Chao-ying Fu  <fu@mips.com>
11319
11320         * doc/rtl.texi (Machine Modes): Document QQ, HQ, SQ, DQ, TQ,
11321         UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA, USA, UDA, and UTAmodes.
11322         Document MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
11323         Document GET_MODE_IBIT, and GET_MODE_FBIT.
11324
11325         * machmode.h (VECTOR_MODE_P): Test MODE_VECTOR_FRACT,
11326         MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
11327         (SCALAR_FRACT_MODE_P, SCALAR_UFRACT_MODE_P, ALL_SCALAR_FRACT_MODE_P,
11328         SCALAR_ACCUM_MODE_P, SCALAR_UACCUM_MODE_P, ALL_SCALAR_ACCUM_MODE_P,
11329         SIGNED_SCALAR_FIXED_POINT_MODE_P, UNSIGNED_SCALAR_FIXED_POINT_MODE_P,
11330         ALL_SCALAR_FIXED_POINT_MODE_P, FRACT_MODE_P, UFRACT_MODE_P,
11331         ALL_FRACT_MODE_P, ACCUM_MODE_P, UACCUM_MODE_P, ALL_ACCUM_MODE_P,
11332         SIGNED_FIXED_POINT_MODE_P, UNSIGNED_FIXED_POINT_MODE_P,
11333         ALL_FIXED_POINT_MODE_P): New define.
11334         (CLASS_HAS_WIDER_MODES_P): Test MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
11335         MODE_UACCUM.
11336         (GET_MODE_IBIT, GET_MODE_FBIT): New define.
11337
11338         * mode-classes.def (MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM,
11339         MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
11340         MODE_VECTOR_UACCUM): New mode classes.
11341
11342         * machmode.def: Document FRACT_MODE, UFRACT_MODE, ACCUM_MODE,
11343         UACCUM_MODE, ADJUST_IBIT, and ADJUST_FBIT.
11344         Add QQ, HQ, SQ, DQ, TQ, UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA,
11345         USA, UDA, and UTA.
11346
11347         * genmodes.c (struct mode_data): Add ibit and fbit fields.
11348         (blank_mode): Initialize ibit and fbit.
11349         (adj_ibit, adj_fbit): New to adjust ibit and fbit.
11350         (vector_class): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
11351         MODE_UACCUM.
11352         (new_adjust): Change required_class to required_class_from and
11353         required_class_to for testing within a range.
11354         (complete_mode): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
11355         MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
11356         MODE_VECTOR_UACCUM.
11357         (FRACT_MODE, UFRACT_MODE, ACCUM_MODE, UACCUM_MODE): New define.
11358         (make_fixed_point_mode): New.
11359         (_ADD_ADJUST): Change C to C1 and C2.
11360         (ADJUST_BYTESIZE, ADJUST_ALIGNMENT, ADJUST_FLOAT_FORMAT): Change to
11361         use a range for machine classes.
11362         (ADJUST_IBIT, ADJUST_FBIT): New.
11363         (emit_insn_modes_h): Output defines of CONST_MODE_IBIT and
11364         CONST_MODE_FBIT.
11365         (emit_mode_adjustments): Handle MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT,
11366         MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
11367         Emit adjustment for ibit and fbit.
11368         (emit_mode_ibit, emit_mode_fbit): New.
11369         (emit_insn_modes_c): Add emit_mode_ibit and emit_mode_fbit.
11370
11371 2007-06-25  Nathan Froyd  <froydnj@codesourcery.com>
11372
11373         * config/rs6000/spe.md (*frob_ti_tf_2): Specify an input_operand
11374         as the source of the set.
11375
11376 2007-06-25  Roman Zippel <zippel@linux-m68k.org>
11377
11378         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P,
11379         FP_REGNO_P): Use IN_RANGE.
11380         (REGNO_OK_FOR_DATA_P, REGNO_OK_FOR_FP_P): Remove.
11381         (REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): New.
11382         (DATA_REG_P): Use DATA_REGNO_P.
11383         (FP_REG_P): Use FP_REGNO_P.
11384         (ADDRESS_REG_P): Use ADDRESS_REGNO_P.
11385         * config/m68k/m68k.c (m68k_legitimate_base_reg_p): Use
11386         REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P.
11387
11388 2007-06-24  Jan Hubicka  <jh@suse.cz>
11389
11390         PR middle-end/30563
11391         * cgraphunit.c (cgraph_analyze_function): Fix ordering problem.
11392
11393 2007-06-24  Sebastian Pop  <sebpop@gmail.com>
11394
11395         PR middle-end/32461
11396         * fold-const.c (fold_binary): Strip nops of operand 0
11397         of BIT_NOT_EXPR before calling operand_equal_p.
11398         * testsuite/gcc.dg/tree-ssa/pr32461-1.c: New.
11399         * testsuite/gcc.dg/tree-ssa/pr32461-2.c: New.
11400
11401 2007-06-23  Mark Mitchell  <mark@codesourcery.com>
11402
11403         * doc/extend.texi: Document that dllimport and dllexport imply
11404         default visibility.
11405         * tree.c (handle_dll_attribute): Set DECL_VISIBILITY on the
11406         imported or exported declaration, including type declarations.
11407         * c-common.c (handle_visibility_attribute): Check for conflicts
11408         with dllimport/dllexport.
11409         (c_determine_visibility): Handle dllimport/dllexport as an
11410         explicit visibility atttribute.
11411
11412 2007-06-23  Richard Guenther  <rguenther@suse.de>
11413
11414         PR tree-optimization/16876
11415         PR middle-end/29478
11416         * tree.h (CALL_CANNOT_INLINE_P): New macro to access static_flag
11417         for CALL_EXPRs.
11418         * tree-inline.c (initialize_inlined_parameters): Do not call
11419         lang_hooks.tree_inlining.convert_parm_for_inlining.
11420         * cgraphbuild.c (initialize_inline_failed): Set inline failed
11421         reason for mismatched types.
11422         * gimplify.c (gimplify_call_expr): Verify the call expression
11423         arguments match the called function type signature.  Otherwise
11424         mark the call expression to be not considered for inlining
11425         using CALL_CANNOT_INLINE_P flag.
11426         * ipa-inline.c (cgraph_mark_inline): Honor CALL_CANNOT_INLINE_P on the
11427         edges call expression.
11428         (cgraph_decide_inlining_of_small_function): Likewise.
11429         (cgraph_decide_inlining): Likewise.
11430         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING):
11431         Remove define.
11432         * c-tree.h (c_convert_parm_for_inlining): Remove declaration.
11433         * c-typeck.c (c_convert_parm_for_inlining): Remove.
11434         * langhooks-def.h (lhd_tree_inlining_convert_parm_for_inlining):
11435         Remove declaration.
11436         (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING): Remove define.
11437         * langhooks.c (lhd_tree_inlining_convert_parm_for_inlining):
11438         Remove.
11439         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
11440         convert_parm_for_inlining member.
11441
11442 2007-06-23  Richard Earnshaw  <rearnsha@arm.com>
11443
11444         PR target/31152
11445         * arm.md (negscc): Match the correct operand for optimized LT0 test.
11446         Remove optimization for GT.
11447
11448 2007-06-23  Kenneth Zadeck <zadeck@naturalbridge.com>
11449
11450         PR middle-end/32437
11451         * dce.c (deletable_insn_p): Add extra parameter and recurse if insn
11452         is a PARALLEL.
11453         (prescan_insns_for_dce): Add extra parameter.
11454         
11455 2007-06-23  Jan Hubicka  <jh@suse.cz>
11456
11457         PR middle-end/31541
11458         * gimplify.c (mark_addressable): New function.
11459         (gimplify_modify_expr_rhs, gimplify_addr_expr, gimplify_expr): Use it.
11460
11461 2007-06-22  Uros Bizjak  <ubizjak@gmail.com>
11462
11463         PR middle-end/32374
11464         * expr.c (store_constructor): Do not clobber non-zeroed memory. 
11465
11466 2007-06-22  Uros Bizjak  <ubizjak@gmail.com>
11467
11468         PR target/32413
11469         * config/i386/i386.c (ix86_register_move_cost): Rise the cost of
11470         moves between MMX/SSE registers to at least 8 units to prevent
11471         ICE caused by non-tieable SI/HI/QImodes in SSE registers. 
11472
11473 2007-06-22  Uros Bizjak  <ubizjak@gmail.com>
11474
11475         * config/i386/i386.c (override_options): Correct x86_sahf
11476         setting condition.
11477
11478 2007-06-21  David Daney  <ddaney@avtrex.com>
11479
11480         PR target/32406
11481         * config/mips/mips.md (define_constants): Rename UNSPEC_EH_RECEIVER
11482         to UNSPEC_NONLOCAL_GOTO_RECEIVER globally.
11483         (exception_receiver): Renamed to ...
11484         (nonlocal_goto_receiver): ... this.
11485
11486 2007-06-22  Roman Zippel <zippel@linux-m68k.org>
11487
11488         * df-scan.c (df_read_modify_subreg_p): Use REGMODE_NATURAL_SIZE.
11489         (df_def_record_1): Set (DF_REF_READ_WRITE | DF_REF_PARTIAL) for
11490         partial register accesses.
11491
11492 2007-06-21  Adam Nemet  <anemet@caviumnetworks.com>
11493
11494         * fold-const.c (debug_fold_checksum): Move it under
11495         ENABLE_FOLD_CHECKING.
11496
11497 2007-06-21  Sebastian Pop  <sebpop@gmail.com>
11498
11499         PR middle-end/20623
11500         * tree.h (debug_fold_checksum): Declared.
11501         * fold-const.c (build_fold_addr_expr_with_type_1): New.
11502         (build_fold_addr_expr_with_type, build_fold_addr_expr): Use 
11503         build_fold_addr_expr_with_type_1.
11504         (fold_addr_expr, debug_fold_checksum): New.
11505         (fold_checksum_tree): Don't fold TREE_CHAIN of an SSA_NAME.
11506         (fold_unary, fold_comparison, split_address_to_core_and_offset):
11507         Use fold_addr_expr.
11508         
11509 2007-06-21  Sebastian Pop  <sebpop@gmail.com>
11510
11511         PR tree-optimization/19590
11512         * tree-vrp.c (adjust_range_with_scev): Set the range when the result
11513         of scev is a constant.
11514
11515 2007-06-21  Kenneth Zadeck <zadeck@naturalbridge.com>
11516
11517         * df-problems.c (df_note_bb_compute): Made computation of live
11518         info consistent with df_lr.
11519
11520 2007-06-21  Richard Guenther  <rguenther@suse.de>
11521
11522         PR tree-optimization/32453
11523         * tree-vrp.c (extract_range_from_assert): Build POINTER_PLUS_EXPR
11524         for pointer anti-range.
11525
11526 2007-06-21  H.J. Lu  <hongjiu.lu@intel.com>
11527
11528         * config/i386/i386.c (processor_target_table): Increase maximum
11529         skip from 7 byte to 10 byte for Pentium Pro, Core 2 Duo and
11530         default 64bit.
11531
11532         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Ensure 8
11533         byte alignment if > 8 byte alignment is preferred.
11534         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11535
11536 2007-06-21  Jakub Jelinek  <jakub@redhat.com>
11537
11538         PR tree-optimization/31866
11539         * tree-ssa-coalesce.c (create_outofssa_var_map): Do nothing
11540         if ASM_EXPR's input is not a SSA_NAME.
11541
11542         PR middle-end/32362
11543         * omp-low.c (lookup_decl_in_outer_ctx): Don't ICE if t is NULL,
11544         but decl is a global var, instead return decl.
11545         * gimplify.c (gimplify_adjust_omp_clauses_1): Add shared clauses
11546         even for is_global_var decls, if they are private in some outer
11547         context.
11548
11549 2007-06-21  Richard Guenther  <rguenther@suse.de>
11550
11551         PR tree-optimization/32451
11552         * tree-ssa-threadupdate.c (thread_single_edge): Fixup edge flags.
11553
11554 2007-06-21  Christian Bruel  <christian.bruel@st.com>
11555
11556         * config/sh/sh-protos.h (sh_loads_bankedreg_p): Declare.
11557         * config/sh/sh.c (sh_loads_bankedreg_p): New function.
11558         (push_regs): Changed saving order or banked registers.
11559         (sh_expand_epilogue): Likewise.
11560         * config/sh/sh.h (BANKED_REGISTER_P): New macro.
11561         (FIRST_BANKED_REG): Likewise.
11562         (LAST_BANKED_REG): Likewise.
11563         * config/sh/sh.md (banked) New attribute.
11564         (in_delay_slot): Check banked attribute.
11565         
11566 2007-06-20  Sebastian Pop  <sebpop@gmail.com>
11567
11568         PR tree-optimization/32075
11569         * tree-data-ref.c (subscript_dependence_tester_1, 
11570         analyze_miv_subscript, analyze_overlapping_iterations,
11571         add_distance_for_zero_overlaps, build_classic_dist_vector,
11572         subscript_dependence_tester_1, analyze_overlapping_iterations,
11573         subscript_dependence_tester, access_functions_are_affine_or_constant_p,
11574         compute_affine_dependence, compute_all_dependences): Pass loop_nest 
11575         to evolution_function_is_affine_multivariate_p.
11576
11577 2007-06-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
11578
11579         * df-scan.c (df_get_call_refs): Be prepared for MEMs inside CLOBBERs.
11580
11581 2007-06-20  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11582
11583         PR target/32335
11584         * config/m32c/m32c.c (m32c_emit_epilogue): Use new HImode epilogue
11585         for TARGET_A16.
11586         * config/m32c/prologue.md (epilogue_exitd_16): New.
11587         (epilogue_reit_16): New.
11588         (epilogue_exitd): Rename to epilogue_exitd_24.
11589         (epilogue_reit): Rename to epilogue_reit_24.
11590
11591 2007-06-20  Seongbae Park  <seongbae.park@gmail.com>
11592             Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
11593
11594         * dbgcnt.def (global_alloc_at_func, global_alloc_at_reg):
11595         New counters.
11596         * haifa-sched.c (queue_to_ready): Don't requeue next insn
11597         if dbg_cnt (sched_insn) reaches the limit.
11598         (choose_ready): New parameter INSN_PTR and new return value.
11599         (schedule_block): Handle dbg_cnt (sched_insn). Handle
11600         the new return value from choose_ready.
11601         * global.c (global_aloc): New dbgcnt global_alloc_at_reg.
11602         (rest_of_handle_global_alloc): New global_alloc_at_func.
11603
11604 2007-06-20  Adam Nemet  <anemet@caviumnetworks.com>
11605
11606         PR tree-optimization/25737
11607         * tree.h (struct tree_struct_field_tag): Add new field alias_set.
11608         (SFT_NONADDRESSABLE_P, SFT_ALIAS_SET): New macros.
11609         * tree-flow.h (struct fieldoff): Add new field alias_set.
11610         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Add new
11611         argument addressable_type.  Set alias_set of fieldoff.
11612         * tree-ssa-alias.c (create_sft): Add new argument alias_set.
11613         (create_overlap_variables_for): Pass alias_set from fieldoff to
11614         create_sft.
11615         * alias.c (get_alias_set): Use alias_set from SFT if set.
11616
11617 2007-06-20  Hui-May Chang  <hm.chang@apple.com>
11618
11619         * config/i386/darwin.h (ASM_OUTPUT_COMMON): Print the size
11620         of a variable as an unsigned HOST_WIDE_INT integer.
11621
11622 2007-06-20  Zdenek Dvorak  <dvorakz@suse.cz>
11623
11624         PR rtl-optimization/32405
11625         * loop-iv.c (iv_get_reaching_def): Fail for partial defs.
11626
11627 2007-06-20  Jakub Jelinek  <jakub@redhat.com>
11628
11629         * Makefile.in (omega.o): Depend on $(DIAGNOSTIC_H).
11630
11631         PR middle-end/31959
11632         * builtins.c: Include diagnostic.h.
11633         (expand_builtin_expect): Make gcc_assert more permissive.
11634         * Makefile.in (builtins.o): Depend on $(DIAGNOSTIC_H).
11635
11636         PR inline-asm/32109
11637         * gimplify.c (gimplify_asm_expr): Issue error if type is addressable
11638         and !allows_mem.
11639
11640         PR middle-end/32285
11641         * calls.c (precompute_arguments): Also precompute CALL_EXPR arguments
11642         if ACCUMULATE_OUTGOING_ARGS.
11643
11644 2007-06-19  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11645
11646         * config/m68hc11/m68hc11.c: Include dataflow header file.
11647         (m68hc11_reorg): Port to dataflow.
11648
11649 2007-06-19  Kenneth Zadeck <zadeck@naturalbridge.com>
11650
11651         * df.h (DF_FIRST_OPTIONAL_PROBLEM): Removed.
11652         (struct df_problem.free_blocks_on_set_blocks): New field.
11653         (struct dataflow.optional_p): New field.
11654         (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
11655         (df_live_set_all_dirty): New function.
11656         * df-scan.c (df_scan_alloc): Initialize optional_p.
11657         (problem_SCAN): Initialize free_blocks_on_set_blocks.
11658         * df-core.c (df_set_blocks): Removed use of
11659         DF_FIRST_OPTIONAL_PROBLEM.  Now uses
11660         df_problem.free_blocks_on_set_blocks to determine which blocks are
11661         recycled.
11662         (df_remove_problem): Removed use of DF_FIRST_OPTIONAL_PROBLEM.
11663         (df_finish_pass): Removed use of DF_FIRST_OPTIONAL_PROBLEM.  Now
11664         uses dataflow.optional_p to determine if problem should be
11665         deleted.
11666         (rest_of_handle_df_initialize): Only start live problem if 
11667         -02 or above.
11668         (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
11669         * df-problems.c (df_ru_alloc, df_rd_alloc, df_lr_alloc,
11670         df_live_alloc, df_urec_alloc, df_note_alloc): set optional_p.
11671         (problem_RU, problem_RD, problem_LR, problem_UREC, problem_CHAIN,
11672         problem_NOTE): Initialize free_blocks_on_set_blocks.
11673         (df_lr_bb_local_compute): Recompute luids if df_live problem is
11674         not active.
11675         (df_live_set_all_dirty, df_note_alloc): New function.
11676         * regrename.c (merge_overlapping_regs): Change DF_LIVE_* to
11677         df_get_live_*.
11678         * sched_ebb.c (compute_jump_reg_dependencies): Ditto.
11679         * postreload.c (reload_combine): Ditto.
11680         * cse.c (cse_extended_basic_block): Ditto.
11681         * regmove.c (mark_flags_life_zones): Ditto.
11682         * rtlfactoring.c (split_blocks_after_seqs, split_pattern_seq,
11683         erase_matching_seqs): Ditto.
11684         * bt-load.c (compute_defs_uses_and_gen): Ditto.
11685         * integrate (allocate_initial_values): Ditto.
11686         * combine.c (reg_dead_at_p): Ditto.
11687         * resource.c (mark_target_live_regs): Ditto.
11688         * sched-rgn.c (check_live_1, update_live_1): Ditto.
11689         * config/sh/sh.c (find_r0_life_regions): Ditto.
11690         * global.c (rest_of_handle_global_alloc): Only add back df_live
11691         for -O > 1.
11692         * local-alloc.c (rest_of_handle_local_alloc): Only remove
11693         df_live for -O > 1.
11694         * ifcvt.c (dead_or_predicable): Change DF_LIVE_* to
11695         df_get_live_*.
11696         (if_convert): Make sure df_live is there at -O == 1.
11697         (pass_if_after_combine): Cleanup flags.
11698         * init-regs.c (initialize_uninitialized_regs): Make sure df_live
11699         is there at -O == 1.
11700         
11701 2007-06-19  Seongbae Park  <seongbae.park@gmail.com>
11702
11703         * config/arm/arm.c (arm_get_frame_offsets): Set
11704         offsets->locals_base to avoid negative stack size.
11705         (thumb1_expand_prologue): Assert on negative stack size.
11706
11707 2007-06-19  Sebastian Pop  <sebpop@gmail.com>
11708
11709         PR tree-optimization/32367
11710         * tree-chrec.h (build_polynomial_chrec): Verify that the left hand side 
11711         of the chrec has no evolution in that loop.
11712         * testsuite/gcc.dg/tree-ssa/pr32367.c: New.
11713
11714 2007-06-19  Bob Wilson  <bob.wilson@acm.org>
11715
11716         * config/xtensa/xtensa.c: Include "df.h".
11717         (xtensa_builtin_saveregs): Use adjust_address instead of
11718         change_address.
11719         (xtensa_va_start): Invoke make_tree with sizetype for
11720         expand_builtin_saveregs and then convert the result to a pointer.
11721         Use POINTER_PLUS_EXPR.  Use size_int instead of build_int_cst.
11722         (xtensa_gimplify_va_arg_expr): Use size_int instead of build_int_cst.
11723         Subtract argument size from index value as integers and then use
11724         POINTER_PLUS_EXPR to add the result to the array address.
11725         
11726 2007-06-19  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11727
11728         PR target/32335
11729         * config/m32c/m32c.c: Include dataflow header file.
11730         (m32c_emit_prologue): Adjust for prologue insn change.
11731         * config/m32c/prologue.md (prologue_enter_16): Only modify SP_REGNO
11732         once inside a PARALLEL. Assume frame size passed in operand 0
11733         includes space to save the fb register.
11734         (prologue_enter_24): Likewise.
11735         (epilogue_exitd): Only modify SP_REGNO once inside a PARALLEL.
11736
11737 2007-06-19  David Daney  <ddaney@avtrex.com
11738
11739         PR target/32313
11740         * config/mips/mips.md (cprestore): Mark $gp as used.
11741
11742 2007-06-19  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11743
11744         PR target/32369
11745         * config/frv/frv.c (frv_ifcvt_modify_tests): Dataflow merge fix.
11746         (frv_ifcvt_modify_insn): Likewise.
11747
11748 2007-06-19  Richard Guenther  <rguenther@suse.de>
11749
11750         * tree-ssa-structalias.c (handle_ptr_arith): Make sure to
11751         only handle positive offsets that fit in a HOST_WIDE_INT.
11752
11753 2007-06-19  Uros Bizjak  <ubizjak@gmail.com>
11754
11755         * config/i386/i386.c (ix86_emit_swsqrtsf): Filter out infinity
11756         result of rsqrt insn for zero input argument to avoid NaN.
11757
11758 2007-06-19  Richard Guenther  <rguenther@suse.de>
11759
11760         PR middle-end/31950
11761         * tree-ssa-alias-warnings.c (ffan_walker): Punt on MTAGs.
11762
11763 2007-06-19  Jakub Jelinek  <jakub@redhat.com>
11764
11765         PR tree-optimization/32353
11766         * tree-ssa-structalias.c (set_uids_in_ptset): Also handle RESULT_DECL.
11767
11768 2007-06-19  Nick Clifton  <nickc@redhat.com>
11769
11770         * config/m32r/linux.h (LIB_SPEC): Always imply -lpthread for -pthread.
11771
11772 2007-06-18  Uros Bizjak  <ubizjak@gmail.com>
11773
11774         PR target/32389
11775         * config/i386/i386.h (enum ix86_stack_slot): Add SLOT_VIRTUAL.
11776         * config/i386/i386.c (assign_386_stack_local): Assert that
11777         SLOT_VIRTUAL is valid only before virtual regs are instantiated.
11778         (ix86_expand_builtin) [IX86_BUILTIN_LDMXCSR, IX86_BUILTIN_STMXCSR]:
11779         Use SLOT_VIRTUAL stack slot instead of SLOT_TEMP.
11780         * config/i386/i386.md (truncdfsf2, truncxf<mode>2): Ditto.
11781
11782 2007-06-18  Steve Ellcey  <sje@cup.hp.com>
11783
11784         * config/ia64/ia64.h (LIBGCC2_TF_CEXT): New.
11785
11786 2007-06-18  Seongbae Park  <seongbae.park@gmail.com>
11787
11788         PR rtl-optimization/32321
11789         * gcse.c (replace_store_insn): Update the note before
11790         calling emit_insn_after.
11791
11792 2007-06-18  Kenneth Zadeck <zadeck@naturalbridge.com>
11793
11794         PR middle-end/32355
11795         * gcse (rest_of_handle_gcse): Add call to df_finish_pass after
11796         cse_main.
11797         * df-problems.c (df_note_bb_compute): Fix dumping info.
11798         
11799 2007-06-18  Kazu Hirata  <kazu@codesourcery.com>
11800
11801         * config/m68k/m68k.c (m68k_expand_epilogue): Emit a return
11802         insn with emit_jump_insn.
11803
11804 2007-06-18  Uros Bizjak  <ubizjak@gmail.com>
11805
11806         PR tree-optimization/32383
11807         * targhooks.c (default_builtin_reciprocal): Add new bool argument.
11808         * targhooks.h (default_builtin_reciprocal): Update prototype.
11809         * target.h (struct gcc_target): Update builtin_reciprocal.
11810         * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Update description.
11811         * tree-ssa-math-opts (execute_cse_reciprocals): Skip statements
11812         where arg1 is not SSA_NAME.  Pass true to targetm.builtin_reciprocal
11813         when fndecl is in BUILT_IN_MD class.
11814         (execute_convert_to_rsqrt): Ditto.
11815
11816         * config/i386/i386.c (ix86_builtin_reciprocal): Update for new bool
11817         argument.  Convert IX86_BUILTIN_SQRTPS code only when md_fn is true.
11818         Convert BUILT_IN_SQRTF code only  when md_fn is false.
11819
11820 2007-06-18  Kaz Kojima  <kkojima@gcc.gnu.org>
11821
11822         * bt-load.c (move_btr_def): Fix the order of arguments
11823         to validate_replace_rtx.
11824
11825 2007-06-18  Nathan Sidwell  <nathan@codesourcery.com>
11826
11827         * config/m68k/m68k-devices.def: Add 54450..54455.
11828
11829 2007-06-17  Uros Bizjak  <ubizjak@gmail.com>
11830
11831         PR rtl-optimization/32366
11832         * simplify-rtx.c (simplify_unary_operation_1) [FLOAT_TRUNCATE,
11833         FLOAT_EXTEND]: Prevent non-scalar modes from entering
11834         significand_size.
11835
11836 2007-06-17  Kenneth Zadeck <zadeck@naturalbridge.com>
11837
11838         PR middle-end/32349
11839         * modulo-sched (generate_reg_moves): Added rescan parameter and if
11840         this is true, rescan insn being modified.
11841         (sms_schedule): Added rescan parameter.
11842         (rest_of_handle_sms): Moved freeing of dominance info to before
11843         getting out of cfg_layout.
11844         
11845 2007-06-17  Nathan Sidwell  <nathan@codesourcery.com>
11846
11847         * config/m68k/m68k.h (ISA_HAS_FF1, ISA_HAS_MVS_MVZ): New.
11848         * config/m68k/m68k.md: Use ISA_HAS_FF1 and ISA_HAS_MVS_MVZ as
11849         appropriate.
11850
11851         * config/m68k/m68k.c (all_isas): Remove FL_CF_FPU and
11852         FL_CF_EMAC from the entry for isac.
11853
11854         * config/m68k/predicates.md (const_call_operand): Adjust comment.
11855         (const_sibcall_operand): New.
11856         (sibcall_operand): Use it.
11857         * config/m68k/m68k.c (FL_FOR_isa_c): Not ISA_B compatible.
11858         (m68k_isas): ISAC does not imply FPU or EMAC.
11859         (override_options): Add ISA_C logic for symbolic jump & call.
11860
11861 2007-06-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
11862
11863         * config/sparc/sparc.c (sparc_vis_init_builtins): Retrieve the
11864         return mode from the builtin itself.
11865         (sparc_fold_builtin): Fix cast of zero constant.
11866
11867 2007-06-16  Uros Bizjak  <ubizjak@gmail.com>
11868
11869         * targhooks.c (default_builtin_reciprocal): New default target hook.
11870         * targhooks.h (default_builtin_reciprocal): Add prototype.
11871         * hooks.c (hook_tree_tree_bool_null): Remove hook.
11872         * hooks.h (hook_tree_tree_bool_null): Remove prototype.
11873         * target-def.h (TARGET_BUILTIN_RECIPROCAL): Define as
11874         default_builtin_reciprocal.
11875
11876 2007-06-16  Uros Bizjak  <ubizjak@gmail.com>
11877
11878         PR middle-end/31723
11879         * hooks.c (hook_tree_tree_bool_null): New hook.
11880         * hooks.h (hook_tree_tree_bool_null): Add prototype.
11881         * tree-pass.h (pass_convert_to_rsqrt): Declare.
11882         * passes.c (init_optimization_passes): Add pass_convert_to_rsqrt.
11883         * tree-ssa-math-opts.c (execute_cse_reciprocals): Scan for a/func(b)
11884         and convert it to reciprocal a*rfunc(b).
11885         (execute_convert_to_rsqrt): New function.
11886         (gate_convert_to_rsqrt): New function.
11887         (pass_convert_to_rsqrt): New pass definition.
11888         * target.h (struct gcc_target): Add builtin_reciprocal.
11889         * target-def.h (TARGET_BUILTIN_RECIPROCAL): New define.
11890         (TARGET_INITIALIZER): Initialize builtin_reciprocal with
11891         TARGET_BUILTIN_RECIPROCAL.
11892         * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Document.
11893
11894         * config/i386/i386.h (TARGET_RECIP): New define.
11895         * config/i386/i386.md (divsf3): Expand by calling ix86_emit_swdivsf
11896         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
11897         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
11898         and not optimizing for size.
11899         (*rcpsf2_sse): New insn pattern.
11900         (*rsqrtsf2_sse): Ditto.
11901         (rsqrtsf2): New expander.  Expand by calling ix86_emit_swsqrtsf
11902         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
11903         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
11904         and not optimizing for size.
11905         (sqrt<mode>2): Expand SFmode operands by calling ix86_emit_swsqrtsf
11906         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
11907         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
11908         and not optimizing for size.
11909         * config/i386/sse.md (divv4sf): Expand by calling ix86_emit_swdivsf
11910         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
11911         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
11912         and not optimizing for size.
11913         (*sse_rsqrtv4sf2): Do not export.
11914         (sqrtv4sf2): Ditto.
11915         (sse_rsqrtv4sf2): New expander.  Expand by calling ix86_emit_swsqrtsf
11916         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
11917         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
11918         and not optimizing for size.
11919         (sqrtv4sf2): Ditto.
11920         * config/i386/i386.opt (mrecip): New option.
11921         * config/i386/i386-protos.h (ix86_emit_swdivsf): Declare.
11922         (ix86_emit_swsqrtsf): Ditto.
11923         * config/i386/i386.c (IX86_BUILTIN_RSQRTF): New constant.
11924         (ix86_init_mmx_sse_builtins): __builtin_ia32_rsqrtf: New
11925         builtin definition.
11926         (ix86_expand_builtin): Expand IX86_BUILTIN_RSQRTF using
11927         ix86_expand_unop1_builtin.
11928         (ix86_emit_swdivsf): New function.
11929         (ix86_emit_swsqrtsf): Ditto.
11930         (ix86_builtin_reciprocal): New function.
11931         (TARGET_BUILTIN_RECIPROCAL): Use it.
11932         (ix86_vectorize_builtin_conversion): Rename from
11933         ix86_builtin_conversion.
11934         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Use renamed function.
11935         * doc/invoke.texi (Machine Dependent Options): Add -mrecip to
11936         "i386 and x86_64 Options" section.
11937         (Intel 386 and AMD x86_64 Options): Document -mrecip.
11938
11939 2007-06-15  Andrew Pinski <andrew_pinski@playstation.sony.com>
11940             Zdenek Dvorak <dvorakz@suse.cz>
11941             Richard Guenther  <rguenther@suse.de>
11942             Kaz Kojima  <kkojima@gcc.gnu.org>
11943
11944         * tree-vrp.c (compare_values_warnv): Convert val2 to
11945         the type of val1.
11946         (extract_range_from_assert): Create
11947         POINTER_PLUS_EXPR for pointer types.
11948         (extract_range_from_binary_expr): Handle
11949         only POINTER_PLUS_EXPR, MIN_EXPR, and MAX_EXPR
11950         for pointer types.
11951         * doc/c-tree.texi (POINTER_PLUS_EXPR): Document.
11952         * tree-ssa-loop-niter.c (split_to_var_and_offset): Handle
11953         POINTER_PLUS_EXPR as PLUS_EXPR.
11954         (number_of_iterations_lt_to_ne):
11955         For pointer types, use sizetype when
11956         creating MINUS_EXPR/PLUS_EXPRs.
11957         (assert_loop_rolls_lt): For pointer types, use sizetype when
11958         creating MINUS_EXPR/PLUS_EXPRs.
11959         (number_of_iterations_le): Likewise.
11960         (expand_simple_operations): POINTER_PLUS_EXPR are simple also.
11961         (derive_constant_upper_bound): Handle POINTER_PLUS_EXPR just
11962         like PLUS_EXPR and MINUS_EXPR.
11963         * tree-pretty-print.c (dump_generic_node): Handle
11964         POINTER_PLUS_EXPR.
11965         (op_prio): Likewise.
11966         (op_symbol_1): Likewise.
11967         * optabs.c (optab_for_tree_code): Likewise.
11968         * tree-ssa-loop-manip.c (create_iv): Handle pointer base
11969         specially.
11970         * tree-tailcall.c (process_assignment): Mention
11971         POINTER_PLUS_EXPR in a TODO comment.
11972         * tree.c (build2_stat): Assert when trying to use PLUS_EXPR or 
11973         MINUS_EXPR with a pointer. Also assert for POINTER_PLUS_EXPR
11974         not used with a pointer and an integer type.
11975         * tree-scalar-evolution.c (add_to_evolution_1): Convert the
11976         increment using chrec_convert_rhs instead of chrec_convert.
11977         (follow_ssa_edge_in_rhs): Handle POINTER_PLUS_EXPR like
11978         PLUS_EXPR except for the right hand side's type will be
11979         sizetype.
11980         (interpret_rhs_modify_stmt): Handle POINTER_PLUS_EXPR.
11981         (fold_used_pointer_cast): Kill.
11982         (pointer_offset_p): Kill.
11983         (fold_used_pointer): Kill.
11984         (pointer_used_p): Kill.
11985         (analyze_scalar_evolution_1 <case GIMPLE_MODIFY_STMT>): Don't
11986         call fold_used_pointer.
11987         (instantiate_parameters_1): Convert the increment
11988         using chrec_convert_rhs instead of chrec_convert.
11989         Handle POINTER_PLUS_EXPR as PLUS_EXPR.
11990         * builtins.c (get_pointer_alignment): Handle POINTER_PLUS_EXPR
11991         instead of PLUS_EXPR.
11992         (expand_builtin_strcat): Create a POINTER_PLUS_EXPR instead of
11993         PLUS_EXPR for pointers.
11994         (std_gimplify_va_arg_expr): Likewise.
11995         (fold_builtin_memory_op): Likewise.
11996         (fold_builtin_strstr): Likewise.
11997         (fold_builtin_strchr): Likewise.
11998         (fold_builtin_strrchr): Likewise.
11999         (fold_builtin_strpbrk): Likewise.
12000         (expand_builtin_memory_chk): Likewise.
12001         (fold_builtin_memory_chk): Likewise.
12002         (std_expand_builtin_va_start): Use
12003         sizetype for the call to make_tree and then convert
12004         to the pointer type.
12005         (fold_builtin_memchr): Use POINTER_PLUS_EXPR
12006         instead of PLUS_EXPR for adding to a pointer.
12007         (std_gimplify_va_arg_expr): Use fold_build2 for
12008         the creating of POINTER_PLUS_EXPR.  For the BIT_AND_EXPR, cast
12009         the operands to sizetype first and then cast the BIT_AND_EXPR
12010         back to the pointer type.
12011         * fold-const.c (build_range_check): Handle pointer types
12012         specially.
12013         (extract_array_ref): Look for POINTER_PLUS_EXPR instead
12014         of PLUS_EXPR's. Make sure the offset is converted to
12015         sizetype.
12016         (try_move_mult_to_index): Strip the NOPs from the offset.
12017         Remove code argument and replace all uses with PLUS_EXPR.
12018         (fold_to_nonsharp_ineq_using_bound): Handle pointer types
12019         specially. Don't use a pointer type for MINUS_EXPR.
12020         (fold_unary): Handle for (T1)(X op Y),
12021         only p+ as that is the only as that can be handled for
12022         binary operators now.
12023         (fold_binary <case POINTER_PLUS_EXPR>): Add folding of
12024         POINTER_PLUS_EXPR.
12025         <case PLUS_EXPR>: Add folding of PTR+INT into
12026         PTR p+ INT.
12027         Don't call try_move_mult_to_index.
12028         <case MINUS_EXPR>: Fold (PTR0 p+ A) - (PTR1 p+ B)
12029         into (PTR0 - PTR1) + (A - B). Fold (PTR0 p+ A) - PTR1 into
12030         (PTR0 - PTR1) + A iff (PTR0 - PTR1) simplifies.
12031         Don't call try_move_mult_to_index.
12032         (tree_expr_nonnegative_warnv_p): Handle POINTER_PLUS_EXPR.
12033         (tree_expr_nonzero_p): Likewise.
12034         (fold_indirect_ref_1): Look at POINTER_PLUS_EXPR instead
12035         of PLUS_EXPR for the complex expression folding.
12036         * tree-chrec.c (chrec_fold_plus_poly_poly): If the
12037         first chrec is a pointer type, then the second should
12038         be sizetype and not the first's type.
12039         For POINTER_PLUS_EXPR, use a different right hand side type.
12040         Handle POINTER_PLUS_EXPR like PLUS_EXPR.
12041         (chrec_fold_plus_1): For POINTER_PLUS_EXPR, use a
12042         different right hand side type.
12043         Handle POINTER_PLUS_EXPR like PLUS_EXPR.
12044         (chrec_fold_plus): For pointer types, use POINTER_PLUS_EXPR
12045         instead of PLUS_EXPR.
12046         When either operand is zero, convert the other operand.
12047         (chrec_apply): Use chrec_convert_rhs
12048         on the argument x instead of chrec_convert.
12049         (reset_evolution_in_loop): For pointer types, the new_evol
12050         should be sizetype.
12051         (convert_affine_scev): For POINTER_PLUS_EXPR, use a
12052         different right hand side type.
12053         Handle POINTER_PLUS_EXPR like PLUS_EXPR.
12054         (chrec_convert_rhs): New function.
12055         (chrec_convert_aggressive): For POINTER_PLUS_EXPR, use a
12056         different right hand side type.
12057         Handle POINTER_PLUS_EXPR like PLUS_EXPR.
12058         * tree-chrec.h (chrec_convert_rhs): New prototype.
12059         (build_polynomial_chrec): For pointer types, the right hand
12060         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Look for
12061         POINTER_PLUS_EXPR instead of PLUS_EXPR's.
12062         Remove subtraction case as it is always addition now.
12063         Make sure the offset is converted to sizetype.
12064         (fold_stmt_r): Don't handle PLUS_EXPR/MINUS_EXPR specially.
12065         Handle POINTER_PLUS_EXPR like PLUS_EXPR was handled before.
12066         * tree-ssa-loop-ivopts.c (determine_base_object): Abort for 
12067         PLUS_EXPR in pointer type.
12068         Handle POINTER_PLUS_EXPR.
12069         (tree_to_aff_combination): Likewise.
12070         (force_expr_to_var_cost): Likewise.
12071         (force_expr_to_var_cost): Likewise. Create a POINTER_PLUS_EXPR
12072         instead of PLUS_EXPR for pointers.
12073         * c-format.c (check_format_arg): Handle POINTER_PLUS_EXPR
12074         instead of PLUS_EXPR of pointer types.
12075         * tree-stdarg.c (va_list_counter_bump): Handle POINTER_PLUS_EXPR
12076         as PLUS_EXPR.
12077         (check_va_list_escapes): Likewise.
12078         (check_all_va_list_escapes): Likewise.
12079         * dwarf2out.c (loc_descriptor_from_tree_1):
12080         Handle POINT_PLUS_EXPR as a PLUS_EXPR.
12081         * expr.c (expand_expr_real_1): Handle POINTER_PLUS_EXPR.
12082         (string_constant): Likewise.
12083         * tree-ssa-address.c (tree_mem_ref_addr): When adding
12084         the offset to the base, use POINTER_PLUS_EXPR.
12085         (add_to_parts): Convert the index to sizetype.
12086         (create_mem_ref): Create A POINTER_PLUS_EXPR for the one case.
12087         * matrix-reorg.c (collect_data_for_malloc_call): Stmt
12088         will now only be either INDIRECT_REF and POINTER_PLUS_EXPR.
12089         Offset only holds something for PLUS_EXPR.
12090         (ssa_accessed_in_tree): Handle POINTER_PLUS_EXPR just as
12091         a PLUS_EXPR.
12092         (analyze_transpose): POINTER_PLUS_EXPR will only show up now
12093         and not PLUS_EXPR.
12094         (analyze_accesses_for_modify_stmt): Likewise.
12095         Remove comment about the type being integral type as it is
12096         wrong now.
12097         (can_calculate_expr_before_stmt): Handle POINTER_PLUS_EXPR as
12098         PLUS_EXPR.
12099         (transform_access_sites): POINTER_PLUS_EXPR will only show up now
12100         and not PLUS_EXPR.
12101         Correct the type which the artimentic is done in (is now
12102         sizetype).
12103         Reindent one loop.
12104         * tree-data-ref.c (split_constant_offset): Handle
12105         POINTER_PLUS_EXPR
12106         * tree-affine.c (tree_to_aff_combination): Likewise.
12107         * c-typeck.c (build_unary_op): For pointers create the increment
12108         as a sizetype. Create a POINTER_PLUS_EXPR instead of PLUS_EXPR
12109         for pointers.
12110         * gimplify.c (gimplify_self_mod_expr): Create a
12111         POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
12112         (gimplify_omp_atomic_fetch_op): Handle POINTER_PLUS_EXPR.
12113         * tree.def (POINTER_PLUS_EXPR): New tree code.
12114         * tree-predcom.c (ref_at_iteration): If we have a pointer
12115         type do the multiplication in sizetype.
12116         * tree-mudflap.c (mf_xform_derefs_1): Create a
12117         POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
12118         * tree-ssa-forwprop.c 
12119         (forward_propagate_addr_into_variable_array_index):
12120         Don't expect there to be a cast for the index as that
12121         does not exist anymore.
12122         (forward_propagate_addr_expr_1): Check for POINTER_PLUS_EXPR
12123         instead of PLUS_EXPR.
12124         Don't check for the first operand of the POINTER_PLUS_EXPR
12125         was the index as it cannot be.
12126         Call forward_propagate_addr_into_variable_array_index with
12127         the SSA_NAME instead of the statement.
12128         * varasm.c (const_hash_1): Handle POINTER_PLUS_EXPR.
12129         (compare_constant): Likewise.
12130         (copy_constant): Likewise.
12131         (compute_reloc_for_constant): Likewise.
12132         (output_addressed_constants): Likewise.
12133         (initializer_constant_valid_p): Likewise.
12134         * tree-ssa.c (tree_ssa_useless_type_conversion_1):
12135         Convert the MIN/MAX of the inner type to the outer
12136         type before comparing them.
12137         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Handle
12138         POINTER_PLUS_EXPR instead of PLUS_EXPR.
12139         (issue_prefetch_ref): Create a POINTER_PLUS_EXPR instead
12140         of PLUS_EXPR for pointers.
12141         * tree-inline.c (estimate_num_insns_1): Handle
12142         POINTER_PLUS_EXPR.
12143         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): 
12144         Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
12145         (bump_vector_ptr): Create a POINTER_PLUS_EXPR
12146         instead of PLUS_EXPR for the pointer increment statement.
12147         (vect_update_ivs_after_vectorizer): For pointer types, create
12148         POINTER_PLUS_EXPR instead of PLUS_EXPR and also create
12149         MULT_EXPR in sizetype.
12150         (vect_gen_niters_for_prolog_loop): Add a cast when creating
12151         byte_misalign.
12152         * tree-object-size.c (plus_expr_object_size): Handle
12153         POINTER_PLUS_EXPR instead of PLUS_EXPR.  Removing all the extra
12154         code which is trying to figure out which side is a pointer and 
12155         is the index.
12156         (check_for_plus_in_loops_1): Likewise.
12157         (check_for_plus_in_loops): Likewise.
12158         * c-common.c (pointer_int_sum): Create a
12159         POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
12160         * tree-ssa-structalias.c (handle_ptr_arith): Handle
12161         only POINTER_PLUS_EXPR.  Removing all the extra
12162         code which is trying to figure out which side is a pointer and 
12163         is the index.
12164         * tree-cfg.c (verify_expr): Add extra checking for pointers and
12165         PLUS_EXPR and MINUS_EXPR.
12166         Also add checking to make sure the operands of POINTER_PLUS_EXPR
12167         are correct.
12168         * config/frv/frv.c (frv_expand_builtin_va_start): Use sizetype
12169         with make_tree, instead of a pointer type.
12170         * config/s390/s390.c (s390_va_start): Use POINTER_PLUS_EXPR
12171         for pointers instead of PLUS_EXPR.
12172         (s390_gimplify_va_arg): Likewise.
12173         * config/spu/spu.c (spu_va_start): Create POINTER_PLUS_EXPR
12174         instead of PLUS_EXPR when doing addition on pointer
12175         types.  Use sizetype for the second operand.
12176         (spu_gimplify_va_arg_expr): Likewise.
12177         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use 
12178         POINTER_PLUS_EXPR instead of PLUS_EXPR when the operand was
12179         a pointer.  Don't create a BIT_AND_EXPR for pointer types.
12180         * config/i386/i386.c (ix86_va_start): Use POINTER_PLUS_EXPR
12181         for the pointer addition and also use size_int/sizetype
12182         for the offset.
12183         (ix86_gimplify_va_arg): Likewise.
12184         Perform BIT_AND_EXPR on sizetype arguments.
12185         * config/sh/sh.c (sh_va_start): Call make_tree with sizetype
12186         and convert its result to a pointer type.  Use POINTER_PLUS_EXPR
12187         for the pointer additions and also use size_int for the offsets.
12188         (sh_gimplify_va_arg_expr): Use POINTER_PLUS_EXPR for the pointer
12189         additions and also use size_int for the offsets.  Perform
12190         BIT_AND_EXPR on sizetype arguments.
12191         * config/ia64/ia64.c (ia64_gimplify_va_arg): Use
12192         POINTER_PLUS_EXPR for pointers and create the
12193         BIT_AND_EXPR in sizetype.
12194         * config/rs6000/rs6000.c (rs6000_va_start): Use POINTER_PLUS_EXPR
12195         instead of PLUS_EXPR for pointer addition.
12196         (rs6000_va_start): Likewise.
12197         Also use sizetype for the offset.
12198         * config/pa/pa.c (reloc_needed): Handle POINTER_PLUS_EXPR
12199         as PLUS_EXPR/MINUS_EXPR.
12200         (hppa_gimplify_va_arg_expr): Don't create MINUS_EXPR or
12201         PLUS_EXPR for pointers, instead use POINTER_PLUS_EXPR.
12202         Don't use BIT_AND_EXPR on a pointer type, convert the
12203         expression to sizetype first.
12204         * config/mips/mips.c (mips_va_start): Use POINTER_PLUS_EXPR
12205         for pointers.
12206         (mips_gimplify_va_arg_expr): Likewise.
12207         Don't create BIT_AND_EXPR in a pointer type.
12208
12209 2007-06-15  Eric Christopher  <echristo@apple.com>
12210
12211         * config.gcc (i?86-*-darwin*): Add t-crtfm and t-crtpc.
12212         (x86_64-*-darwin*): Ditto.
12213         * config/i386/darwin.h (CRTEND_SPEC): New. Add support
12214         for above.
12215
12216 2007-06-15  Matthew Wilcox <matthew@wil.cx>
12217
12218         * doc/extend.texi: Document behavior of __attribute__((aligned))
12219         on typedefs.
12220
12221 2007-06-15  Mark Mitchell  <mark@codesourcery.com>
12222
12223         * rtlanal.c (note_stores): Improve documentation.
12224
12225 2007-06-15  Bernd Schmidt  <bernd.schmidt@analog.com>
12226
12227         * config/bfin/elf.h (ASM_GENERATE_INTERNAL_LABEL,
12228         LOCAL_LABEL_PREFIX): Delete.
12229         * config/bfin/bfin.c (TARGET_ASM_INTERNAL_LABEL): Delete.
12230         (bfin_internal_label): Delete.
12231
12232 2007-06-15  Uros Bizjak  <ubizjak@gmail.com>
12233
12234         * libgcc2.c (CEXT): When compiling L_multc3 and L_divtc3,
12235         define to "l" if LIBGCC_LONG_DOUBLE_SIZE == 128,
12236         otherwise define to LIBGCC2_TF_CEXT.
12237         * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): New define.
12238         (LIBGCC_TF_CEXT): Ditto.
12239         (TF_SIZE): Ditto.
12240
12241 2007-06-14  Seongbae Park  <seongbae.park@gmail.com>
12242
12243         PR rtl-optimization/32339
12244         * df-scan.c (df_uses_record): Don't modify flags but just add to
12245         it for df_ref_record.
12246
12247 2007-06-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12248
12249         * tree-mudflap.c: Fix whitespace issues.
12250
12251 2007-06-15  Kazu Hirata  <kazu@codesourcery.com>
12252
12253         * config/m68k/m68k.c (ASM_DOT, ASM_DOTW, ASM_DOTL): Remove.
12254
12255 2007-06-14  Eric Christopher  <echristo@apple.com>
12256
12257         * config/i386/sse.md (movdi_to_sse): Rewrite body.
12258         (movv4sf): Use gcc_unreachable instead of abort.
12259
12260 2007-06-14  Uros Bizjak  <ubizjak@gmail.com>
12261
12262         PR target/32268
12263         * config/i386/sfp-machine.h (CMPtype): New define.
12264         (mach stubs): Use CMPtype instead of int as a return type.
12265
12266 2007-06-14  Uros Bizjak  <ubizjak@gmail.com>
12267
12268         * config/soft-fp/eqdf2.c, config/soft-fp/eqsf2.c,
12269         config/soft-fp/eqtf2.c, config/soft-fp/gedf2.c,
12270         config/soft-fp/gesf2.c, config/soft-fp/getf2.c,
12271         config/soft-fp/ledf2.c, config/soft-fp/lesf2.c,
12272         config/soft-fp/letf2.c, config/soft-fp/unorddf2.c,
12273         config/soft-fp/unordsf2.c, config/soft-fp/unordtf2.c,
12274         config/soft-fp/soft-fp.h: Update from glibc CVS.
12275
12276 2007-06-14  Bernd Schmidt  <bernd.schmidt@analog.com>
12277
12278         * config/bfin/uclinux.h (MFWRAP_SPEC): New.
12279
12280 2007-06-14  Rask Ingemann Lambertsen  <rask@sygehus.dk>
12281
12282         PR target/32341
12283         * config/v850/v850.c: Include dataflow header file.
12284         (substitute_ep_register): Fix typo.
12285
12286 2007-06-14  Paolo Bonzini  <bonzini@gnu.org>
12287
12288         * configure.ac: Fix earlier checkin.
12289         * configure: Regenerated.
12290
12291 2007-06-14  Paolo Bonzini  <bonzini@gnu.org>
12292
12293         * acinclude.m4 (gcc_AC_CHECK_PROG_VER): Remove.
12294         * aclocal.m4: Regenerate.
12295         * configure.ac: Use ACX_PROG_CC_WARNING_OPTS,
12296         ACX_PROG_CC_WARNINGS_ARE_ERRORS,
12297         ACX_PROG_CC_WARNING_ALMOST_PEDANTIC, ACX_CHECK_PROG_VER.
12298         * configure: Regenerate.
12299         * Makefile.in (LOOSE_WARN): Subst loose_warn.
12300
12301         * Makefile.in (quickstrap): Build libgcc too.
12302
12303 2007-06-14  Paolo Bonzini  <bonzini@gnu.org>
12304
12305         * configure.ac: Add --enable-checking=df.  Explicitly mention that
12306         the variables are initialized as for "release".
12307         * df-core.c: Use it.
12308         * configure: Regenerate.
12309         * config.in: Regenerate.
12310
12311 2007-06-14  Bob Wilson  <bob.wilson@acm.org>
12312
12313         * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Use
12314         validate_replace_rtx instead of replace_rtx.
12315         (xtensa_expand_prologue): Call df_insn_rescan after replace_rtx.
12316
12317 2007-06-14  Danny Smith  <dannysmith@users.sourceforge.net>
12318
12319         * config/i386/cygming.h (DWARF_FRAME_REGNUM): Define.
12320         (DWARF2_UNWIND_INFO): Override default if configured with
12321         SJLJ EH disabled.
12322         * config/i386/cygwin.h (STARTFILE_SPEC): Add crtbegin.o.
12323         (ENDFILE_SPEC): Add crtend.o.
12324         * config/i386/mingw32.h (STARTFILE_SEC): Add crtbegin.o.
12325         (ENDFILE_SPEC): Add crtend.o.
12326         (TARGET_USE_JCR_SECTION): Define.
12327         (MD_UNWIND_SUPPORT): Define for 32-bit target.
12328
12329         * config/i386/cygming-crtbegin.c: New file.
12330         * config/i386/cygming-crtend.c: New file.
12331
12332 2007-06-14  Pascal Obry Pascal Obry  <obry@adacore.com>
12333
12334         * config/i386/w32-unwind.h: New file.
12335
12336 2007-06-13  Eric Christopher  <echristo@apple.com>
12337
12338         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Don't let
12339         the user set a value below STACK_BOUNDARY.
12340
12341 2007-06-13  Thiemo Seufer  <ths@networkno.de>
12342
12343         * config/mips/linux.h, config/mips/linux64.h (LIB_SPEC): Always
12344         imply -lpthread for -pthread.
12345
12346 2007-06-13  Kazu Hirata  <kazu@codesourcery.com>
12347
12348         * basic-block.h: Remove the prototype for
12349         free_basic_block_vars.
12350         * cfglayout.h: Remove the prototype for
12351         insn_locators_initialize.
12352         * tree.h: Remove the prototype for emit_line_note.
12353
12354         * tree-ssa-pre.c (mergephitemp): Remove.
12355         (init_pre): Don't use mergephitemp.
12356
12357 2007-06-13  Eric Christopher  <echristo@apple.com>
12358
12359         * config/i386/i386.c (override_options): If we've specified
12360         an arch then don't use TARGET_SUBTARGET_ISA_DEFAULTs.
12361
12362 2007-06-13  Bob Wilson  <bob.wilson@acm.org>
12363
12364         * df-scan.c (df_get_entry_block_def_set): Check if STATIC_CHAIN_REGNUM
12365         is defined.
12366
12367 2007-06-13  Bernd Schmidt  <bernd.schmidt@analog.com>
12368
12369         * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Use gen_frame_mem.
12370         * config/bfin/bfin.md (UNSPEC_VOLATILE_STORE_EH_HANDLER): New constant.
12371         (eh_store_handler): New pattern.
12372         (eh_return): Emit it instead of a plain move.
12373
12374 2007-06-13  Uros Bizjak  <ubizjak@gmail.com>
12375
12376         * config/i386/i386.c (ix86_init_mmx_sse_builtins)
12377         [__builtin_infq, __builtin_fabsq]: Define usign def_builtin.
12378         [__builtin_ia32_rsqrtps, __builtin_ia32_rsqrtss]: Define using
12379         def_builtin_const.
12380
12381 2007-06-13  Bernd Schmidt  <bernd.schmidt@analog.com>
12382
12383         * config/bfin/bfin.c (gen_one_bundle): Delete unused local variables.
12384         (find_next_insn_start, find_load): New functions.
12385         (bfin_reorg): Use them to deal with the fact that parallel insns are
12386         no longer represented as a SEQUENCE.
12387
12388 2007-06-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
12389
12390         * config/sparc/sparc.c (sparc_override_options): Initialize
12391         fpu mask correctly.
12392
12393 2007-06-13  Dave Korn  <dave.korn@artimi.com>
12394
12395         * config/i386/i386.c (ix86_eax_live_at_start_p): Use
12396         df_get_live_out.
12397
12398 2007-06-13  Kazu Hirata  <kazu@codesourcery.com>
12399
12400         * auto-inc-dec.c, c-incpath.c, config/c4x/libgcc.S,
12401         config/sh/divcost-analysis, dbgcnt.def, df-core.c,
12402         df-problems.c, df-scan.c, df.h, dominance.c, dse.c, regstat.c,
12403         tree-data-ref.c, tree-ssa-loop-im.c, tree-ssa-loop-prefetch.c,
12404         tree-vect-transform.c: Fix comment typos.  Follow spelling
12405         conventions.
12406
12407 2007-06-12  Seongbae Park  <seongbae.park@gmail.com>
12408
12409        * df-scan.c (df_get_exit-block_use_set): Always add the stack pointer
12410        to the exit block use set.
12411        (df_insn_delete, df_insn_rescan): Fixed spelling of "deferring". 
12412        * gcse.c (cpro_jump): Don't emit barrier in cfglayout mode.
12413        * config/sparc/sparc.c (sparc_check_64): Check df != NULL.
12414
12415 2007-06-12  Seongbae Park  <seongbae.park@gmail.com>
12416
12417         * opts.c (common_handle_option): Handle new option -fdbg-cnt-list.
12418         * dbgcnt.c (dbg_cnt_set_limit_by_name): Return value
12419         to indicate an error.
12420         (dbg_cnt_process_single_pair, dbg_cnt_list_all_counters):
12421         New functions.
12422         (dbg_cnt_process_opt): Print an error on a bad argument.
12423         * dbgcnt.h (dbg_cnt_list_all_counters): New function declaration.
12424         * common.opt (-fdbg-cnt-list): New.
12425         * doc/invoke.texi (-fdbg-cnt-list,-fdbg-cnt=): New.
12426
12427 2007-06-12  Eric Botcazou  <ebotcazou@adacore.com>
12428
12429         * tree-ssa-alias.c (finalize_ref_all_pointers): Clear pt_anything
12430         flag on ref-all pointers.
12431
12432 2007-06-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12433
12434         PR middle-end/31579
12435         * expr.c (expand_expr_addr_expr_1): Call expand_expr
12436         for the offset with the modifier as EXPAND_INITIALIZER
12437         if the modifier is EXPAND_INITIALIZER.
12438         (expand_expr_real_1 <case INTEGER_CST>): Don't force to
12439         a register if we had an overflow.
12440
12441 2007-06-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12442
12443         * real.c (real_isfinite): New.
12444         (real_sqrt): Use it.
12445         * real.h (real_isfinite): New.
12446         * builtins.c: Use it.
12447
12448 2007-06-12  Ian Lance Taylor  <iant@google.com>
12449             Daniel Berlin  <dberlin@dberlin.org>
12450
12451         PR libstdc++/29286
12452         * tree.def: Add CHANGE_DYNAMIC_TYPE_EXPR.
12453         * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Define.
12454         (CHANGE_DYNAMIC_TYPE_LOCATION): Define.
12455         (DECL_NO_TBAA_P): Define.
12456         (struct tree_decl_common): Add no_tbaa_flag field.
12457         * tree-ssa-structalias.c (struct variable_info): Add
12458         no_tbaa_pruning field.
12459         (new_var_info): Initialize no_tbaa_pruning field.
12460         (unify_nodes): Copy no_tbaa_pruning field.
12461         (find_func_aliases): Handle CHANGE_DYNAMIC_TYPE_EXPR.
12462         (dump_solution_for_var): Print no_tbaa_pruning flag.
12463         (set_uids_in_ptset): Add no_tbaa_pruning parameter.  Change all
12464         callers.
12465         (compute_tbaa_pruning): New static function.
12466         (compute_points_to_sets): Remove CHANGE_DYNAMIC_TYPE_EXPR nodes.
12467         Call compute_tbaa_pruning.
12468         * tree-ssa-alias.c (may_alias_p): Test no_tbaa_flag for pointers.
12469         * gimplify.c (gimplify_expr): Handle CHANGE_DYNAMIC_TYPE_EXPR.
12470         * gimple-low.c (lower_stmt): Likewise.
12471         * tree-gimple.c (is_gimple_stmt): Likewise.
12472         * tree-ssa-operands.c (get_expr_operands): Likewise.
12473         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
12474         * tree-inline.c (estimate_num_insns_1): Likewise.
12475         (copy_result_decl_to_var): Likewise.
12476         * expr.c (expand_expr_real_1): Likewise.
12477         * tree-pretty-print.c (dump_generic_node): Likewise.
12478         * tree-inline.c (copy_decl_to_var): Copy DECL_NO_TBAA_P flag.
12479         * omp-low.c (omp_copy_decl_2): Likewise.
12480         * print-tree.c (print_node): Print DECL_NO_TBAA_P flag.
12481         * doc/c-tree.texi (Expression trees): Document
12482         CHANGE_DYNAMIC_TYPE_EXPR.
12483
12484 2007-06-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12485
12486         * fold-const.c (fold_binary): Guard (X-X) -> 0 transformation
12487         with !HONOR_NANS and !HONOR_INFINITIES.
12488         * simplify-rtx.c (simplify_binary_operation_1): Likewise.
12489
12490 2007-06-12  Tristan Gingold  <gingold@adacore.com>
12491
12492         * gcov.c: Comments updated.
12493         (source_info): Add file_time field.
12494         (source_index): New variable.
12495         (mutiple_files): New variable.
12496         (generate_results): New function extracted from process_file.
12497         (process_file): Save and restore chain of functions, generate
12498         results and free structures only if not merging results.
12499         (release_structures): File names are now freed in create_file_names
12500         (create_file_names): Free previous file names.
12501         (find_source): File date is now read here and modifications in
12502         source files is checked here.
12503         (read_graph_file): Only reverse order of functions for the current
12504         object file.
12505         (make_gcov_file_name): Do not generate long names if input_name is
12506         NULL.
12507         (output_lines): If merging results do not display graph, data and
12508         runs informations.
12509         Checking source file modification is done in find_source.
12510
12511         * doc/gcov.texi: Append an s to sourcefile.
12512
12513 2007-06-12  Bernd Schmidt  <bernd.schmidt@analog.com>
12514
12515         * config/bfin/bfin.md (UNSPEC_NOP): New constant.
12516         (forced_nop): New pattern.
12517         * config/bfin/bfin.c: Include "df.h".
12518         (add_to_reg): Use df_regs_ever_live_p instead of regs_ever_live.
12519         (bfin_discover_loop): Use df_get_live_in instead of
12520         global_live_at_start.
12521         (bfin_reorder_loops): Pass 0 to cfg_layout_initialize.  Call
12522         df_analyze when done.
12523         (gen_one_bundle): Don't generate SEQUENCE insns, just put modes on
12524         the insns.  Use QImode for the final insn in a bundle.  Call
12525         df_insn_rescan on generated NOPs; use gen_forced_nop instead of
12526         gen_nop.
12527         (reorder_var_tracking_notes): New function.
12528         (bfin_reorg): Pass no argument to split_all_insns.  Don't call
12529         update_life_info.  Call df_analyze after scheduling and bundle
12530         generation.  Call reorder_var_tracking_notes if generating these
12531         notes.  Call df_finish_pass at the end.
12532
12533 2007-06-12  Dirk Mueller  <dmueller@suse.de>
12534
12535         * optabs.c (debug_optab_libfuncs): fix gcc_assert to
12536         a comparison, not an assignment.
12537
12538 2007-06-12  Olivier Hainque  <hainque@adacore.com>
12539
12540         * tree-nested.c (convert_local_reference): Handle VIEW_CONVERT_EXPR.
12541         Request walking the subtrees only, leaving the current is_lhs/val_only
12542         untouched.
12543         (convert_non_local_reference): Likewise.
12544
12545 2007-06-12  Nathan Sidwell  <nathan@codesourcery.com>
12546
12547         * config/m68k/m68k-devices.def (52221, 52223, 5253): New.
12548
12549 2007-06-12  Richard Guenther  <rguenther@suse.de>
12550
12551         PR tree-optimization/15353
12552         PR tree-optimization/31657
12553         * passes.c (init_optimization_passes): Add pass_tree_ifcombine.
12554         * timevar.def: Add TV_TREE_IFCOMBINE.
12555         * tree-pass.h (pass_tree_ifcombine): Declare.
12556         * tree-ssa-ifcombine.c: New file.
12557         * tree-ssa-phiopt.c (blocks_in_phiopt_order): Export.
12558         * tree-flow.h (blocks_in_phiopt_order): Declare.
12559         * Makefile.in (OBJS-common): Add tree-ssa-ifcombine.o.
12560         (tree-ssa-ifcombine.o): New dependencies.
12561
12562 2007-06-12  Uros Bizjak  <ubizjak@gmail.com>
12563
12564         PR rtl-optimization/32293
12565         * combine.c (simplify_if_then_else): Truncate return from
12566         nonzero_bits() to correct mode.
12567
12568 2007-06-12  Uros Bizjak  <ubizjak@gmail.com>
12569
12570         * fold-const (fold_binary) [RDIV_EXPR]: Also optimize a/cbrt(b/c)
12571         into a*cbrt(c/b) if flag_unsafe_math_optimizations is set.
12572
12573 2007-06-11  Diego Novillo  <dnovillo@google.com>
12574
12575         * Makefile.in (reload1.o-warn): Remove.
12576
12577 2007-06-11  Seongbae Park <seongbae.park@gmail.com>
12578
12579         * combine.c (subst): Use reg_overlap_mentioned_p
12580         instead of comparing register numbers directly.
12581
12582 2007-06-11  Kenneth Zadeck <zadeck@naturalbridge.com>
12583
12584         * reload1.c (mark_home_live_1): Use the mode parameter.
12585
12586 2007-06-11  Kenneth Zadeck <zadeck@naturalbridge.com>
12587
12588         * df-scan.c (df_insn_delete, df_insn_rescan, df_insn_rescan_all,
12589         df_process_deferred_rescans, df_notes_rescan): Fixed spelling of
12590         word "deferred".
12591         * df-core.c: Ditto.
12592
12593 2007-06-11  Daniel Berlin  <dberlin@dberlin.org>
12594
12595         * Merge dataflow-branch into mainline (see ChangeLog.dataflow)
12596
12597 2007-06-11  Uros Bizjak  <ubizjak@gmail.com>
12598
12599         * config/i386/i386.md ("*movtf_internal): Penalize moves to and
12600         from integer registers.
12601         (FP mode splitters): Handle TFmode.
12602
12603 2007-06-11  Eric Botcazou  <ebotcazou@adacore.com>
12604
12605         * tree-ssa-structalias.c (find_what_p_points_to): Return false
12606         for ref-all pointers that point-to anything.
12607
12608 2007-06-11  Joseph Myers  <joseph@codesourcery.com>
12609
12610         * config/arm/arm.c (arm_output_dwarf_dtprel,
12611         TARGET_ASM_OUTPUT_DWARF_DTPREL): New.
12612
12613 2007-06-11  Bernd Schmidt  <bernd.schmidt@analog.com>
12614
12615         * config/bfin/bfin.md (movdi_insn, movsi_insn, movv2hi_insn,
12616         movhi_insn, movqi_insn, movsf_insn, movdf_insn): Don't allow constant
12617         to memory moves.
12618
12619 2007-06-11  Rafael Avila de Espindola  <espindola@google.com>
12620
12621         * tree.c (signed_or_unsigned_type_for): New.
12622         (unsigned_type_for): Use signed_or_unsigned_type_for.
12623         (signed_type_for): Use signed_or_unsigned_type_for.
12624         * tree.h (signed_or_unsigned_type_for): New.
12625         (get_signed_or_unsigned_type): Remove.
12626         * fold-const.c (fold_negate_expr): Use signed_type_for instead of
12627         lang_hooks.types.signed_type
12628         (size_diffop): Likewise.
12629         (all_ones_mask_p): Likewise.
12630         (build_range_check): Likewise.
12631         (fold_cond_expr_with_comparison): Likewise.
12632         (fold_cond_expr_with_comparison): Likewise.
12633         (unextend): Likewise.
12634         (extract_muldiv_1): Likewise.
12635         (fold_single_bit_test_into_sign_test): Likewise.
12636         (fold_binary): Likewise.
12637         (fold_ternary): Likewise.
12638         (operand_equal_for_comparison_p): Use signed_or_unsigned_type_for
12639         instead of get_signed_or_unsigned_type.
12640         * c-objc-common.h (LANG_HOOKS_SIGNED_TYPE): Remove.
12641         (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
12642         * expr.c (signed_or_unsigned_type_for): Use
12643         signed_or_unsigned_type_for instead of get_signed_or_unsigned_type.
12644         * langhooks.c (get_signed_or_unsigned_type): Remove.
12645         (lhd_signed_or_unsigned_type): Remove.
12646         * langhooks.h (lang_hooks_for_types): Remove signed_type and
12647         signed_or_unsigned_type.
12648         (lhd_signed_or_unsigned_type): Remove.
12649         * expmed.c (make_tree): Use signed_type_for instead of
12650         lang_hooks.types.signed_type.
12651         * c-common.c (same_scalar_type_ignoring_signedness): Use
12652         c_common_signed_type instead of lang_hooks.types.signed_type.
12653         (c_common_unsigned_type): New.
12654         (c_common_signed_type): Just call c_common_signed_or_unsigned_type.
12655         (shorten_compare): Use c_common_unsigned_type instead of
12656         c_common_signed_or_unsigned_type.
12657         (c_common_nodes_and_builtins): Use c_common_unsigned_type instead of
12658         unsigned_type_for.
12659         * convert.c (convert_to_integer): Use signed_type_for instead of
12660         lang_hooks.types.signed_type.
12661         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
12662         (LANG_HOOK_FOR_TYPES_INITIALIZER): Remove LANG_HOOKS_SIGNED_TYPE and
12663         LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE.
12664         * c-format.c (check_format_types): Use c_common_unsigned_type
12665         instead of unsigned_type_for.
12666         * c-decl.c (groakdeclarator): Likewise.
12667         * c-typeck.c (convert_for_assignment): Likewise.
12668         * c-common.h (c_common_unsigned_type): New.
12669
12670 2007-06-11  Uros Bizjak  <ubizjak@gmail.com>
12671
12672         PR target/32280
12673         * config/i386/sse.md ("sse2_ashlti", "sse2_lshrti3"): Move ...
12674         * config/i386/i386.md ("sse2_ashlti", "sse2_lshrti3"): ... to here.
12675
12676 2007-06-11  Uros Bizjak  <ubizjak@gmail.com>
12677
12678         PR middle-end/32279
12679         * fold-const (fold_binary) [RDIV_EXPR]: Optimize a/sqrt(b/c)
12680         into a*sqrt(c/b) if flag_unsafe_math_optimizations is set.
12681
12682 2007-06-10  Jan Sjodin  <jan.sjodin@amd.com>
12683             Sebastian Pop  <sebpop@gmail.com>
12684
12685         * lambda-code.c (remove_iv): New.
12686         (lambda_loopnest_to_gcc_loopnest): Use remove_iv.
12687
12688 2007-06-10  Zdenek Dvorak  <dvorakz@suse.cz>
12689
12690         * tree-data-ref.c (dr_analyze_alias): Handle case smt is NULL.
12691         * tree-predcom.c (mark_virtual_ops_for_renaming): Exported.
12692         * tree-ssa-loop-prefetch.c: Include optabs.h.
12693         (FENCE_FOLLOWING_MOVNT): New macro.
12694         (struct mem_ref): Add independent_p and storent_p fields.
12695         (record_ref): Initalize the new fields.
12696         (gather_memory_references_ref): Return true if the reference
12697         could be analysed.
12698         (gather_memory_references): Check whether all memory accesses
12699         in loop were recorded.
12700         (should_issue_prefetch_p): Return false for nontemporal stores.
12701         (nontemporal_store_p, mark_nontemporal_store, emit_mfence_after_loop,
12702         may_use_storent_in_loop_p, mark_nontemporal_stores): New functions.
12703         (determine_loop_nest_reuse): Detect independent memory references.
12704         (loop_prefetch_arrays): Call mark_nontemporal_stores.
12705         * tree-flow.h (mark_virtual_ops_for_renaming): Declare.
12706         * Makefile.in (tree-ssa-loop-prefetch.o): Add OPTABS_H dependency.
12707         * config/i386/i386.h (x86_mfence): Declare.
12708         (FENCE_FOLLOWING_MOVNT): Return x86_mfence.
12709         * config/i386/i386.c (x86_mfence): New variable.
12710         (ix86_init_mmx_sse_builtins): Initialize x86_mfence.
12711
12712         * tree-pretty-print.c (dump_generic_node): Mark nontemporal stores.
12713         * optabs.c (init_optabs): Initialize storent_optab.
12714         * optabs.h (enum optab_index): Add OTI_storent.
12715         (storent_optab): Declare.
12716         * genopinit.c (optabs): Add initialization for storent_optab.
12717         * tree.h (MOVE_NONTEMPORAL): New macro.
12718         * expr.c (expand_assignment, store_expr, store_constructor_field,
12719         store_constructor, store_field, expand_expr_real_1): Propagate
12720         nontemporality of the expanded store.
12721         (emit_storent_insn): New function.
12722         * expr.h (expand_assignment, store_expr): Declaration changed.
12723         * function.c (assign_parm_setup_reg): Pass false as nontemporality
12724         to expand_assignment.
12725         * stmt.c (expand_asm_expr): Ditto.
12726         * calls.c (initialize_argument_information): Pass false as
12727         nontemporality to store_expr.
12728         * config/i386/sse.md (storentv4sf, storentv2df, storentv2di,
12729         storentsi): New.
12730
12731 2007-06-09  Daniel Berlin  <dberlin@dberlin.org>
12732
12733         * tree-ssa-structalias.c (set_uids_in_ptset): Add is_deref'd
12734         parameter, use it.
12735         (find_what_p_points_to): Pass new parameter to set_uids_in_ptset.
12736
12737 2007-06-09  Daniel Berlin  <dberlin@dberlin.org>
12738
12739         * tree-data-ref.c (dr_may_alias_p): Check that decl_a != decl_b,
12740         and allow DECL_P here.
12741
12742 2007-06-09  Zdenek Dvorak  <dvorakz@suse.cz>
12743
12744         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs,
12745         follow_ssa_edge_in_condition_phi, follow_ssa_edge): Keep more precise
12746         track of the size of the expression.
12747         * cfghooks.c (merge_blocks): Remove block from loops structure only
12748         after call of the merge_blocks hook.
12749
12750 2007-06-09  Tom Tromey  <tromey@redhat.com>
12751
12752         * c-decl.c (grokdeclarator): Added 'deprecated_state' argument.
12753         (deprecated_state): Removed.
12754         (start_decl): Update.
12755         (enum deprecated_states): Moved earlier.
12756         (groktypename): Update.
12757         (push_parm_decl): Likewise.
12758         (grokfield): Likewise.
12759         (start_function): Likewise.
12760
12761 2007-06-09  Ian Lance Taylor  <iant@google.com>
12762
12763         PR tree-optimization/32169
12764         * tree-vrp.c (extract_range_from_unary_expr): For NOP_EXPR and
12765         CONVERT_EXPR, check whether min and max both converted to an
12766         overflow infinity representation.
12767
12768 2007-06-08  Eric Botcazou  <ebotcazou@adacore.com>
12769
12770         * reload1.c (fixup_abnormal_edges): Clear bb field for insns
12771         not inserted on the edge.
12772
12773 2007-06-08  Bob Wilson  <bob.wilson@acm.org>
12774
12775         * config/xtensa/lib1funcs.asm (__udivsi3): Use hardware divide
12776         instructions if they are supported.
12777         (__divsi3, __umodsi3, __modsi3): Likewise.
12778         (__ashldi3, __ashrdi3, __lshrdi3): New.
12779         * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add DImode shift functions.
12780
12781 2007-06-08  Harsha Jagasia <harsha.jagasia@amd.com>
12782             Tony Linthicum <tony.linthicum@amd.com>
12783
12784         * doc/invoke.texi: Add fvect-cost-model flag.
12785         * common.opt (fvect-cost-model): New flag.
12786         * tree-vectorizer.c (new_stmt_vec_info): Initialize inside and outside
12787         cost fields in stmt_vec_info struct for STMT.
12788         * tree-vectorizer.h (stmt_vec_info): Define inside and outside cost
12789         fields in stmt_vec_info struct and access functions for the same.
12790         (TARG_COND_BRANCH_COST): Define cost of conditional branch.
12791         (TARG_VEC_STMT_COST): Define cost of any vector operation, excluding
12792         load, store and vector to scalar operation.
12793         (TARG_VEC_TO_SCALAR_COST): Define cost of vector to scalar operation.
12794         (TARG_VEC_LOAD_COST): Define cost of aligned vector load.
12795         (TARG_VEC_UNALIGNED_LOAD_COST): Define cost of misasligned vector load.
12796         (TARG_VEC_STORE_COST): Define cost of vector store.
12797         (vect_estimate_min_profitable_iters): Define new function.
12798         * tree-vect-analyze.c (vect_analyze_operations): Add a compile-time
12799         check to evaluate if loop iterations are less than minimum profitable
12800         iterations determined by cost model or minimum vect loop bound defined
12801         by user, whichever is more conservative.
12802         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Add a
12803         run-time check to evaluate if loop iterations are less than minimum
12804         profitable iterations determined by cost model or minimum vect loop
12805         bound defined by user, whichever is more conservative.
12806         (vect_estimate_min_profitable_iterations): New function to estimate
12807         mimimimum iterartions required for vector version of loop to be
12808         profitable over scalar version.
12809         (vect_model_reduction_cost): New function.
12810         (vect_model_induction_cost): New function.
12811         (vect_model_simple_cost): New function.
12812         (vect_cost_strided_group_size): New function.
12813         (vect_model_store_cost): New function.
12814         (vect_model_load_cost): New function.
12815         (vectorizable_reduction): Call vect_model_reduction_cost during
12816         analysis phase.
12817         (vectorizable_induction): Call vect_model_induction_cost during
12818         analysis phase.
12819         (vectorizable_load): Call vect_model_load_cost during analysis phase.
12820         (vectorizable_store): Call vect_model_store_cost during analysis phase.
12821         (vectorizable_call, vectorizable_assignment, vectorizable_operation,
12822         vectorizable_promotion, vectorizable_demotion): Call
12823         vect_model_simple_cost during analysis phase.
12824
12825 2007-06-08  Simon Baldwin  <simonb@google.com>
12826
12827         * reg-stack.c (get_true_reg): Readability change.  Moved default case
12828         label into direct switch statement scope.
12829
12830 2007-06-08  Simon Baldwin  <simonb@google.com>
12831
12832         * tree-flow-inline.h (var_ann): Replaced erroneous '=' assignment
12833         in gcc_assert() with '==' comparison.
12834
12835 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
12836
12837         * config/i386/i386.c (override_options): Merge TARGET_SSE4_2 and
12838         TARGET_ABM handling of x86_popcnt variable.
12839
12840 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
12841
12842         * doc/extend.texi (X86 Built-in Functions): Document __builtin_fabsq,
12843         __builtin_copysignq and __builtin_infq built-in functions.
12844
12845 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
12846
12847         * doc/extend.texi (X86 Built-in Functions): Add missing `@item's in
12848         SSE4.2 section.  Correct built-in function names in SSE4A section.
12849
12850 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
12851
12852         PR tree-optimization/32243
12853         * tree-vect-transform.c (vectorizable_type_promotion): Move check
12854         for ncopies after ratio check between nunits_out and nunits_in.
12855         (vectorizable_type_demotion): Remove single-use variable "scalar_type".
12856
12857 2007-06-08  Dorit Nuzman  <dorit@il.ibm.com>
12858
12859         PR tree-optimization/32224
12860         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fail
12861         vectorization upon a non GIMPLE_MODIFY_STMT.
12862
12863 2007-06-08  Christian Bruel  <christian.bruel@st.com>
12864
12865         PR target/29953
12866         * config/sh/sh.md (doloop_end): New pattern and splitter.
12867         * loop-iv.c (simple_rhs_p): Check for hardware registers.
12868
12869 2007-06-08  Zdenek Dvorak  <dvorakz@suse.cz>
12870
12871         PR middle-end/32209
12872         * dominance.c (debug_dominance_tree, debug_dominance_tree_1): New
12873         functions.
12874         (verify_dominators): Do not change dominance tree.
12875
12876 2007-06-08  Kaz Kojima  <kkojima@gcc.gnu.org>
12877
12878         * config/sh/constraints.md: New file.
12879         * config/sh/sh.c: Include tm-constrs.h.
12880         (reg_class_from_letter): Remove.
12881         (prepare_cbranch_operands): Use satisfies_constraint_*
12882         function instead of macro.
12883         (andcosts, broken_move, sh_secondary_reload): Likewise.
12884         * config/sh/predicates.md (trapping_target_operand): Likewise.
12885         (and_operand, arith_operand, arith_reg_or_0_operand,
12886         cmp_operand, logical_operand, target_operand,
12887         ua_address_operand, ua_offset, xor_operand): Likewise.
12888         * config/sh/sh.md: Include constraints.md.
12889         (*movsicc_t_false): Use satisfies_constraint_* function
12890         instead of macro.
12891         (*movsicc_t_true, ashlsi3_std, ashlhi3_k, lshrsi3_m,
12892         lshrsi3_k, movsi_const_16bit+2, *movhi_media+1,
12893         movdi_const_16bit+1, beq, bne, *ptb): Likewise.
12894         * config/sh/sh.h (reg_class_from_letter): Remove prototype.
12895         (OVERRIDE_OPTIONS): Don't modify reg_class_from_letter.
12896         (REG_CLASS_FROM_CONSTRAINT): Remove.
12897         (CONSTRAINT_LEN, CONST_OK_FOR_I20, CONST_OK_FOR_I,
12898         CONST_OK_FOR_J, CONST_OK_FOR_K16, CONST_OK_FOR_K,
12899         CONST_OK_FOR_P27, CONST_OK_FOR_P, CONST_OK_FOR_M,
12900         CONST_OK_FOR_N, CONST_OK_FOR_CONSTRAINT_P,
12901         CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
12902         (SECONDARY_INOUT_RELOAD_CLASS): Use satisfies_constraint_*
12903         function instead of macro.
12904         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
12905         (EXTRA_CONSTRAINT_Q, EXTRA_CONSTRAINT_A,
12906         EXTRA_CONSTRAINT_Bsc, EXTRA_CONSTRAINT_B,
12907         EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Remove.
12908         (IS_PC_RELATIVE_LOAD_ADDR_P): New macro.
12909         (IS_LITERAL_OR_SYMBOLIC_S16_P): Likewise.
12910         (IS_LITERAL_OR_SYMBOLIC_U16_P): Likewise.
12911         (IS_NON_EXPLICIT_CONSTANT_P): Likewise.
12912         (EXTRA_CONSTRAINT_Csy, EXTRA_CONSTRAINT_Z, EXTRA_CONSTRAINT_W,
12913         EXTRA_CONSTRAINT_Cpg, EXTRA_CONSTRAINT_C,
12914         EXTRA_MEMORY_CONSTRAINT, EXTRA_CONSTRAINT_Sr0,
12915         EXTRA_CONSTRAINT_Sua, EXTRA_CONSTRAINT_S,
12916         EXTRA_CONSTRAINT_STR): Likewise.
12917         (GO_IF_LEGITIMATE_INDEX): Fix indentation.
12918
12919 2007-06-07  Geoffrey Keating  <geoffk@apple.com>
12920
12921         * config/i386/darwin.h (STACK_BOUNDARY): Define.
12922
12923 2007-06-07  Simon Martin  <simartin@users.sourceforge.net>
12924
12925         PR c++/30759
12926         * c-common.h (flag_cpp0x): Replaced by...
12927         (cxx_dialect): ... this new variable specifying the C++ dialect that
12928         is used.
12929         * c-common.c (flag_cpp0x): Removed.
12930         (cxx_dialect): Defined.
12931         * c-cppbuiltin.c (c_cpp_builtins): flag_cpp0x rewritten in terms of
12932         cxx_dialect.
12933         * c-opts.c (c_common_post_options): Likewise.
12934         (set_std_cxx98): Set cxx_dialect to cxx98.
12935         (set_std_cxx0x): Set cxx_dialect to cxx0x.
12936
12937 2007-06-07  Geoffrey Keating  <geoffk@apple.com>
12938             Hui-May Chang <hm.chang@apple.com>
12939
12940         * doc/invoke.texi (Darwin Options): Update documentation for
12941         -mmacosx-version-min.
12942         * config.gcc (*-*-darwin*): Set extra_gcc_objs.
12943         * config/darwin-driver.c: New file.
12944         * config/darwin.h (GCC_DRIVER_HOST_INITIALIZATION): New.
12945         * config/t-darwin (darwin-driver.o): New rule.
12946
12947         * config/darwin-c.c (version_as_macro): Ignore low digit.
12948
12949 2007-06-07  Uros Bizjak  <ubizjak@gmail.com>
12950
12951         * config/i386/i386.md (standard sse constant splitter): Handle TFmode.
12952         (negtf2, abstf2, *absnegtf2_sse): New insn patterns.
12953         (CSGNMODE): New mode macro.
12954         (CSGNVMODE): New mode attribute.
12955         (copysign<mode>3): Rename from copysingsf3 and copysigndf3.  Macroize
12956         expander using CSGNMODE mode macro.  Handle TFmode.
12957         (copysign<mode>3_const): Rename from copysignsf3_const and
12958         copysigndf3_const.  Macroize pattern using CSGNMODE mode macro.
12959         Handle TFmode.
12960         (copysign<mode>3_var): Rename from copysignsf3_var and
12961         copysigndf3_var.  Macroize pattern using CSGNMODE mode macro.
12962         Handle TFmode.
12963         (copysign<mode>3_var splitter): Macroize pattern using CSGNMODE
12964         mode macro.  Handle TFmode.
12965         * config/i386/sse.md (andtf3, *andtf3, *nandtf3): New insn patterns.
12966         (iortf3, *iortf3): Ditto.
12967         (xortf3, *xortf3): Ditto.
12968         * config/i386/i386.c (ix86_build_signbit_mask): Create scalar
12969         TFmode and TImode masks.
12970         (ix86_expand_copysign): Expand TFmode copysign insn.
12971         (IX86_BUILTIN_INFQ): New.
12972         (IX86_BUILTIN_FABSQ): Ditto.
12973         (IX86_BUILTIN_COPYSIGNQ): Ditto.
12974         (ix86_init_mmx_sse_builtins) [__builtin_infq]: New builtin definition.
12975         [__builtin_fabsq]: Ditto.
12976         [__builtin_copysignq]: Ditto.
12977         (ix86_expand_builtin) [IX86_BUILTIN_INFQ]: Expand builtin.
12978         [IX86_BUILTIN_FABSQ]: Expand builtin using ix86_expand_unop_builtin().
12979         [IX86_BUILTIN_COPYSIGNQ]: Expand builtin using
12980         ix86_expand_binop_builtin().
12981
12982 2007-06-07  Bob Wilson  <bob.wilson@acm.org>
12983
12984         * config/xtensa/lib1funcs.asm: Clean up whitespace.
12985
12986 2007-06-07  Steve Ellcey  <sje@cup.hp.com>
12987
12988         PR target/31850
12989         * rtl.h (push_to_sequence2): New.
12990         * emit-rtl.c (push_to_sequence2): New.
12991         * function.c (assign_parm_data_all): Add new fields.
12992         (assign_parm_setup_block): Call push_to_sequence2 instead of
12993         push_to_sequence.
12994         (assign_parm_setup_reg): Ditto.
12995         (assign_parm_setup_stack): Ditto.
12996         (assign_parms_unsplit_complex): Ditto.
12997         (assign_parms): Change field name.
12998
12999 2007-06-07  Zdenek Dvorak  <dvorakz@suse.cz>
13000
13001         PR tree-optimization/32220
13002         * tree-predcom.c (eliminate_temp_copies): Handle the case that loop
13003         phi node is reached before defining statement.
13004
13005 2007-06-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13006
13007         PR tree-opt/32231
13008         * tree-vect-transform.c (vectorizable_call): Call update_stmt
13009         after changing the right hand side of the assignment.
13010
13011 2007-06-06  Eric Christopher  <echristo@apple.com>
13012
13013         * config.gcc (i?86-*-darwin*): Remove arch parameter.
13014         (x86_64-*-darwin*): Ditto.
13015         * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Define.
13016         (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
13017
13018 2007-06-06  Thomas Neumann  <tneumann@users.sourceforge.net>
13019
13020         * tree-ssa-alias-warnings.c (maybe_add_match): Cast according to the
13021         coding conventions.
13022         (add_key): Likewise.
13023         * tree-ssa.c (init_tree_ssa): Use type safe memory macros.
13024         * tree-ssa-ccp.c (ccp_fold_builtin): Avoid using C++ keywords as
13025         variable names.
13026         * tree-ssa-coalesce.c (find_coalesce_pair): Use type safe memory
13027         macros.
13028         (add_cost_one_coalesce): Likewise.
13029         * tree-ssa-copy.c (merge_alias_info): Avoid using C++ keywords as
13030         variable names. Rename orig to orig_name for consistency.
13031         * tree-ssa-dom.c (dom_thread_across_edge): Cast according to the
13032         coding conventions.
13033         (cprop_into_successor_phis): Avoid using C++ keywords as variable
13034         names.
13035         (record_equivalences_from_stmt): Likewise.
13036         * tree-ssa-dse.c (dse_initialize_block_local_data): Cast according to
13037         the coding conventions.
13038         (memory_ssa_name_same): Likewise.
13039         (dse_optimize_stmt): Likewise.
13040         (dse_record_phis): Likewise.
13041         (dse_finalize_block): Likewise.
13042         * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Avoid using C++
13043         keywords as variable names.
13044         (may_move_till): Cast according to the coding conventions.
13045         (force_move_till_expr): Avoid using C++ keywords as variable names.
13046         (force_move_till): Cast according to the coding conventions.
13047         (memref_hash): Likewise.
13048         (memref_eq): Likewise.
13049         (gather_mem_refs_stmt): Likewise.
13050         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Avoid
13051         using C++ keywords as variable names.
13052         (idx_find_step): Cast according to the coding conventions.
13053         (idx_record_use): Likewise.
13054         (find_depends): Likewise.
13055         (prepare_decl_rtl): Likewise.
13056         (mbc_entry_hash): Likewise.
13057         (mbc_entry_eq): Likewise.
13058         * tree-ssa-loop-niter.c (SWAP): Use the correct the type for tmp.
13059         (simplify_replace_tree): Avoid using C++ keywords as variable names.
13060         (idx_infer_loop_bounds): Cast according to the coding conventions.
13061         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise.
13062         * tree-ssa-math-opts.c (occ_new ): Likwise.
13063         * tree-ssanames.c (duplicate_ssa_name_ptr_info): Use type safe memory
13064         macros.
13065         * tree-ssa-operands.c (add_def_op): Avoid using C++ keywords as
13066         variable names.
13067         (add_use_op): Likewise.
13068         (add_vop): Likewise.
13069         (add_vuse_op): Likewise.
13070         (add_vdef_op): Likewise.
13071         (get_expr_operands): Likewise.
13072         (push_stmt_changes): Use type safe memory macros.
13073         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Avoid using C++
13074         keywords as variable names.
13075         (conditional_replacement): Likewise.
13076         (minmax_replacement): Likewise.
13077         (abs_replacement): Likewise.
13078         * tree-ssa-pre.c (create_expression_by_pieces): Cast according to the
13079         coding conventions.
13080         (insert_fake_stores): Avoid using C++ keywords as variable names.
13081         * tree-ssa-reassoc.c (add_to_ops_vec): Cast according to the coding
13082         conventions.
13083         * tree-ssa-structalias.c (heapvar_lookup): Likewise.
13084         (heapvar_insert): Use type safe memory macros.
13085         (new_var_info): Cast according to the coding conventions.
13086         (new_constraint): Likewise.
13087         (remove_preds_and_fake_succs): Use type safe memory macros.
13088         * tree-ssa-threadupdate.c (thread_block): Cast according to the coding
13089         conventions.
13090         (thread_single_edge): Likewise.
13091         (thread_through_loop_header): Likewise.
13092
13093 2007-06-06  Eric Christopher  <echristo@apple.com>
13094
13095         * config/i386/i386.c (override_options): Move handling
13096         of TARGET_SUBTARGET* earlier.
13097
13098 2007-06-06  Paolo Bonzini  <bonzini@gnu.org>
13099
13100         * genmodes.c (tagged_printf, emit_insn_modes_h): Don't
13101         use %n on printf.
13102
13103 2007-06-06  Zdenek Dvorak  <dvorakz@suse.cz>
13104
13105         * haifa-sched.c (restore_bb_notes): Clear bb field of the notes
13106         emited outside of basic block.
13107         * cfgbuild.c (find_bb_boundaries): Clear bb field for insns between
13108         the created blocks.
13109         * rtl.h (delete_insn_chain): Declaration changed.
13110         * cfgrtl.c (delete_insn_chain): Add option to clear bb field for
13111         non-removed insns.
13112         (rtl_delete_block, rtl_merge_blocks): Pass true to delete_insn_chain.
13113         (delete_insn_chain_and_edges, try_redirect_by_replacing_jump,
13114         rtl_tidy_fallthru_edge, cfg_layout_merge_blocks): Pass false
13115         to delete_insn_chain.
13116         (rtl_verify_flow_info_1): Verify that the insns in header and footer
13117         do not have bb field set.
13118         (rtl_verify_flow_info): Verify that insns between basic blocks do not
13119         have bb field set.
13120         * recog.c (peephole2_optimize): Add argument to delete_insn_chain call.
13121         * cfgcleanup.c (try_optimize_cfg): Ditto.
13122
13123 2007-06-06  Thomas Neumann  <tneumann@users.sourceforge.net>
13124
13125         * lambda-code.c (struct lambda_lattice_s): Add a name to the struct.
13126         (lambda_body_vector_new): Use type safe memory macros.
13127         (lambda_linear_expression_new): Likewise.
13128         (lambda_loopnest_new): Likewise.
13129         (lambda_lattice_new): Likewise.
13130         (replace_uses_equiv_to_x_with_y): Cast according to the coding
13131         conventions. Use type safe memory macros.
13132         * lambda.h (struct lambda_trans_matrix_s): Add a name to the struct.
13133         (lambda_body_vector_s): Likewise.
13134         * lambda-mat.c (lambda_matrix_new): Use type safe memory macros.
13135         * lambda-trans.c (lambda_trans_matrix_new): Likewise.
13136
13137 2007-06-06  Richard Guenther  <rguenther@suse.de>
13138
13139         * tree-ssa-forwprop.c (forward_propagate_into_cond): Return 2
13140         if we need to schedule cfg_cleanup.
13141         (tree_ssa_forward_propagate_single_use_vars): Do so.
13142
13143 2007-06-06  Ian Lance Taylor  <iant@google.com>
13144
13145         * fold-const.c (merge_ranges): If range_successor or
13146         range_predecessor fail, just return 0.
13147
13148 2007-06-06  Uros Bizjak  <ubizjak@gmail.com>
13149
13150         PR tree-optimization/32216
13151         * tree-vectorizer.c (supportable_widening_operation): Determine
13152         signedness of FIX_TRUNC_EXPR from output operand.
13153         (supportable_narrowing_operation): Ditto.
13154         * tree-vect-generic.c (expand_vector_operations_1): Determine
13155         signedness of VEC_UNPACK_FLOAT_HI_EXPR and VEC_UNPACK_FLOAT_LO_EXPR
13156         from input operand.
13157
13158 2007-06-06  Thomas Neumann  <tneumann@users.sourceforge.net>
13159
13160         * config/i386/i386.c (enum pta_flags): Move out of struct scope...
13161         (struct pta): ...from here. Change flags to unsigned to avoid
13162         excessive casting (as it is used as a bit mask).
13163         (override_options): Add casts according to the coding convenventions.
13164         (x86_64_elf_unique_section): Likewise.
13165         (examine_argument): Avoid using C++ keywords as variable names.
13166         (construct_container): Likewise.
13167         (legitimize_pic_address): Likewise.
13168         (get_dllimport_decl): Cast according to the coding conventions. Use
13169         type safe memory macros.
13170         (legitimize_address): Cast according to the coding conventions.
13171         (emit_i387_cw_initialization): Corrected the type of slot to enum
13172         ix86_stack_slot.
13173         (ix86_init_machine_status): Use type safe memory macros.
13174         (bdesc_pcmpestr): Use UNKNOWN instead of integer 0.
13175         (bdesc_pcmpistr): Likewise.
13176         (bdesc_crc32): Likewise.
13177         (bdesc_sse_3arg): Likewise.
13178         (bdesc_2arg): Likewise.
13179         (bdesc_1arg): Likewise.
13180         (ix86_expand_sse_pcmpestr): Cast according to the coding conventions.
13181         (ix86_expand_sse_pcmpistr): Likewise.
13182         (ix86_expand_vec_set_builtin): Use EXPAND_NORMAL instead of integer 0.
13183         (ix86_builtin_vectorized_function): Change the type of fn to unsigned
13184         int to match the langhook definition.
13185         (ix86_builtin_conversion): Change the type of code to unsigned init to
13186         match the langhook definition.
13187         (ix86_preferred_reload_class): Avoid using C++ keywords as variable
13188         names.
13189         (ix86_preferred_output_reload_class): Likewise.
13190         (ix86_cannot_change_mode_class): Likewise.
13191         (ix86_memory_move_cost): Likewise.
13192         (ix86_rtx_costs): Cast the outer_code parameter to enum rtx_code to
13193         avoid excessive casting later on.
13194         (x86_output_mi_thunk): Avoid using C++ keywords as variable names.
13195
13196 2007-06-06  Uros Bizjak  <ubizjak@gmail.com>
13197
13198         * config/i386/sse.md (sse4_2_pcmpestr_cconly): Prefer pcmpestrm
13199         as flags setting insn.
13200         (sse4_2_pcmpistr_cconly): Prefer pcmpistrm as flags setting insn.
13201
13202 2007-06-06  Uros Bizjak  <ubizjak@gmail.com>
13203
13204         * config/i386/i386.md (UNSPEC_ROUNDP, UNSPEC_ROUNDS): Remove.
13205         (UNSPEC_ROUND): New.
13206         ("sse4_1_round<mode>2"): New insn pattern.
13207         ("rint<mode>2"): Expand using "sse4_1_round<mode>2" pattern for
13208         SSE4.1 targets.
13209         ("floor<mode>2"): Rename from floordf2 and floorsf2.  Macroize
13210         expander using SSEMODEF mode macro.  Expand using
13211         "sse4_1_round<mode>2" pattern for SSE4.1 targets.
13212         ("ceil<mode>2"): Rename from ceildf2 and ceilsf2.  Macroize
13213         expander using SSEMODEF mode macro.  Expand using
13214         "sse4_1_round<mode>2" pattern for SSE4.1 targets.
13215         ("btrunc<mode>2"): Rename from btruncdf2 and btruncsf2.  Macroize
13216         expander using SSEMODEF mode macro.  Expand using
13217         "sse4_1_round<mode>2" pattern for SSE4.1 targets.
13218         * config/i386/sse.md ("sse4_1_roundpd", "sse4_1_roundps"): Use
13219         UNSPEC_ROUND instead of UNSPEC_ROUNDP.
13220         ("sse4_1_roundsd", "sse4_1_roundss"): Use UNSPEC_ROUND instead of
13221         UNSPEC_ROUNDS.
13222
13223 2007-06-06  Jan Sjodin  <jan.sjodin@amd.com>
13224             Sebastian Pop  <sebpop@gmail.com>
13225
13226         * lambda.h (build_linear_expr): New.
13227         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression):
13228         Use build_linear_expr, call fold and force_gimple_operand.
13229         (lambda_loopnest_to_gcc_loopnest): Check that there is
13230         something to insert.
13231         * testsuite/gcc.dg/tree-ssa/ltrans-6.c: New.
13232
13233 2007-06-05  Joerg Wunsch  <j.gnu@uriah.heep.sax.de>
13234
13235         PR preprocessor/23479
13236         * doc/extend.texi: Document the 0b-prefixed binary integer
13237         constant extension.
13238
13239 2007-06-05  Uros Bizjak  <ubizjak@gmail.com>
13240
13241         PR tree-optimization/32215
13242         * tree-vectorizer.c (supportable_widening_operation): Return false
13243         for unsupported FIX_TRUNC_EXPR tree code.
13244         (supportable_narrowing_operation): Ditto for FLOAT_EXPR tree code.
13245
13246 2007-06-06  Nathan Froyd  <froydnj@codesourcery.com>
13247
13248         * config/rs6000/rs6000.h (FIXED_SCRATCH): Use r0 as a scratch
13249         register on SPE targets.  Change documentation to reflect
13250         reality.
13251         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
13252         Change FIXED_SCRATCH to 14 and document why we're keeping r14
13253         out of the register allocation pool.
13254         (rs6000_reg_live_or_pic_offset_p): New function.
13255         (rs6000_emit_prologue): Move the actual saving of LR up to free
13256         r0 for holding r11.  Split saving of SPE 64-bit registers into
13257         its own case.  Ensure that offsets will always be in-range for
13258         'evstdd' by using r11 as a scratch register to point at the start
13259         of the SPE save area.  Save r11 if necessary, as it is the static
13260         chain register.
13261         (rs6000_emit_epilogue): Split restoring of SPE 64-bit registers
13262         into its own case.  Ensure that offsets will always be in-range
13263         for 'evldd' by using r11 as a scratch register to point at the
13264         start of the SPE save area.  Also adjust r11 when restoring
13265         the stack pointer to compensate for pre-loading r11.
13266
13267 2007-06-05  Thomas Neumann  <tneumann@users.sourceforge.net>
13268
13269         * cfg.c (init_flow): Use type safe memory macros.
13270         (alloc_block): Likewise.
13271         (unchecked_make_edge): Likewise.
13272         (dump_flow_info): Avoid using C++ keywords as variable names.
13273         (copy_original_table_clear): Cast according to the coding conventions.
13274         (copy_original_table_set): Likewise.
13275         * cfgexpand (label_rtx_for_bb): Likewise.
13276         (expand_gimple_basic_block): Likewise.
13277         * cfghooks.c (dump_bb): Likewise.
13278         (lv_adjust_loop_header_phi): Avoid using C++ keywords as
13279         variable names.
13280         (lv_add_condition_to_bb): Likewise.
13281         * cfglayout (relink_block_chain): Cast according to the coding
13282         conventions.
13283         (fixup_reorder_chain): Likewise.
13284         (fixup_fallthru_exit_predecessor): Likewise.
13285         * cfgloop.c (glb_enum_p): Likewise.
13286         (get_exit_description): Likewise.
13287         (dump_recorded_exit): Likewise.
13288         * cfgloop.h (enum loop_estimation): Move out of struct scope...
13289         (struct loop): ... from here.
13290         * cfgloopmanip.c (rpe_enum_p): Cast according to the coding
13291         conventions.
13292         * cfgrtl.c (rtl_create_basic_block): Likewise.
13293         (rtl_split_block): Likewise.
13294         (rtl_dump_bb): Likewise.
13295         (cfg_layout_split_block): Likewise.
13296         (init_rtl_bb_info): Use typesafe memory macros.
13297
13298         * graphds.h (struct graph_edge): Renamed edge to graph_edge.
13299         * graphds.h: Updated all usages of edge to graph_edge.
13300         * graphds.c: Likewise.
13301         * cfgloopanal.c: Likewise.
13302
13303 2007-06-05  Ian Lance Taylor  <iant@google.com>
13304
13305         * tree-vrp.c (compare_values_warnv): Check TREE_NO_WARNING on a
13306         PLUS_EXPR or MINUS_EXPR node before setting *strict_overflow_p.
13307         (extract_range_from_assert): Set TREE_NO_WARNING when creating an
13308         expression.
13309         (test_for_singularity): Likewise.
13310
13311 2007-06-05  H.J. Lu  <hongjiu.lu@intel.com>
13312
13313         * config/i386/constraints.md ("Y2"): Replaced by ...
13314         ("Yt"): This.
13315         * config/i386/i386.md: Likewise.
13316         * config/i386/mmx.md: Likewise.
13317         * config/i386/sse.md: Likewise.
13318
13319 2007-06-05  H.J. Lu  <hongjiu.lu@intel.com>
13320
13321         * config/i386/constraints.md ("z"): Replaced by ...
13322         ("Y0"): This.
13323         * config/i386/sse.md (sse4_1_blendvpd): Likewise.
13324         (sse4_1_blendvps): Likewise.
13325         (sse4_1_pblendvb): Likewise.
13326         (sse4_2_pcmpestr): Likewise.
13327         (sse4_2_pcmpestrm): Likewise.
13328         (sse4_2_pcmpestr_cconly): Likewise.
13329         (sse4_2_pcmpistr): Likewise.
13330         (sse4_2_pcmpistrm): Likewise.
13331         (sse4_2_pcmpistr_cconly): Likewise.
13332
13333 2007-06-05  Razya Ladelsky  <razya@il.ibm.com>
13334
13335         * matrix-reorg.c (transform_access_sites): Fix computation.
13336         (transform_allocation_sites): Same.
13337
13338 2007-06-05  Uros Bizjak  <ubizjak@gmail.com>
13339
13340         * config/i386/i386.c (override_options): Use
13341         TARGET_SUBTARGET32_ISA_DEFAULT to select default ix86_isa_flags.
13342
13343 2007-06-05  Uros Bizjak  <ubizjak@gmail.com>
13344
13345         * config/i386/predicates.md (reg_not_xmm0_operand): New predicate.
13346         (nonimm_not_xmm0_operand): Ditto.
13347         * config/i386/sse.md ("sse4_1_blendvpd"): Use "reg_not_xmm0_operand"
13348         as operand[0] and operand[1] predicate.  Use "nonimm_not_xmm0_operand"
13349         as operand[2] predicate.  Require "z" class XMM register for
13350         operand[3].  Adjust asm template.
13351         ("sse4_1_blendvpd"): Ditto.
13352         ("sse4_1_pblendvb"): Ditto.
13353         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Do not
13354         force op2 into xmm0 register for variable blend instructions.
13355
13356 2007-06-04  Tom Tromey  <tromey@redhat.com>
13357
13358         * c-tree.h (start_enum): Update.
13359         (build_enumerator): Likewise.
13360         * c-decl.c (enum_next_value): Removed.
13361         (enum_overflow): Likewise.
13362         (start_enum): Add c_enum_contents argument.  Don't use globals.
13363         (build_enumerator): Likewise.
13364         * c-tree.h (struct c_enum_contents): New struct.
13365
13366 2007-06-04  Tom Tromey  <tromey@redhat.com>
13367
13368         * c-common.c (c_common_get_alias_set): Fix indentation.
13369
13370 2007-06-04  Ian Lance Taylor  <iant@google.com>
13371
13372         * tree-vrp.c (adjust_range_with_scev): When loop is not expected
13373         to overflow, reduce overflow infinity to regular infinity.
13374         (vrp_var_may_overflow): New static function.
13375         (vrp_visit_phi_node): Check vrp_var_may_overflow.
13376
13377 2007-06-04  Kazu Hirata  <kazu@codesourcery.com>
13378
13379         * stor-layout.c (layout_type): Remove duplicate code.
13380
13381 2007-06-04  Uros Bizjak  <ubizjak@gmail.com>
13382
13383         PR c/32191
13384         * c-common.c (c_define_builtins): Call targetm.init_builtins ()
13385         before build_common_builtin_nodes ().
13386
13387 2007-06-04  Steve Ellcey  <sje@cup.hp.com>
13388
13389         PR target/31733
13390         * cfgrtl.c (rtl_verify_flow_info): Skip notes when looking for barrier.
13391
13392 2007-06-04  Jan Hubicka  <jh@suse.cz>
13393
13394         * tree-predcom.c (replace_ref_with, initialize_root_vars_lm,
13395         reassociate_to_the_same_stmt): Call build_gimple_modify_stmt
13396         instead of _stat version.
13397
13398 2007-06-03  Zdenek Dvorak  <dvorakz@suse.cz>
13399
13400         PR tree-optimization/32194
13401         * tree-predcom.c (determine_offset): Check that both references have
13402         the same type.
13403
13404 2007-06-03  Zdenek Dvorak  <dvorakz@suse.cz>
13405
13406         * cfgloopmanip.c (remove_path, loopify, duplicate_loop_to_header_edge):
13407         Change dom_bbs to vector.  Add argument to iterate_fix_dominators call.
13408         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
13409         * tree-cfg.c (tree_duplicate_sese_region): Change doms to vector.
13410         Add argument to iterate_fix_dominators call.
13411         (remove_edge_and_dominated_blocks): Pass vector to bbs_to_fix_dom.
13412         * gcse.c (hoist_code): Change domby to vector.
13413         * cfghooks.c (make_forwarder_block): Change doms_to_fix to vector.
13414         Add argument to iterate_fix_dominators call.
13415         * loop-doloop.c (doloop_modify): Changed recount_dominator to
13416         recompute_dominator.
13417         * lambda-code.c (perfect_nestify): Ditto.
13418         * cfgloopanal.c: Include graphds.h.
13419         (struct edge, struct vertex, struct graph, dump_graph, new_graph,
13420         add_edge, dfs, for_each_edge, free_graph): Moved to graphds.c.
13421         (mark_irreducible_loops): Use graphds_scc.  Remove argument from
13422         add_edge call.
13423         * graphds.c: New file.
13424         * graphds.h: New file.
13425         * dominance.c: Include vecprim.h, pointer-set.h and graphds.h.
13426         (get_dominated_by, get_dominated_by_region): Change return type to
13427         vector.
13428         (verify_dominators): Recompute all dominators and compare the results.
13429         (recount_dominator): Renamed to ...
13430         (recompute_dominator): ... this.  Do not check that the block is
13431         dominated by entry.
13432         (iterate_fix_dominators): Reimplemented.
13433         (prune_bbs_to_update_dominators, root_of_dom_tree,
13434         determine_dominators_for_sons): New functions.
13435         * et-forest.c (et_root): New function.
13436         * et-forest.h (et_root): Declare.
13437         * Makefile.in (graphds.o): Add.
13438         (cfgloopanal.o): Add graphds.h dependency.
13439         (dominance.o): Add graphds.h, vecprim.h and pointer-set.h dependency.
13440         * basic-block.h (get_dominated_by, get_dominated_by_region,
13441         iterate_fix_dominators): Declaration changed.
13442         (recount_dominator): Renamed to ...
13443         (recompute_dominator): ... this.
13444         * tree-ssa-threadupdate.c (thread_block): Free dominance info.
13445         (thread_through_all_blocks): Do not free dominance info.
13446
13447 2007-06-03  Andreas Schwab  <schwab@suse.de>
13448
13449         * config/m68k/m68k.c (override_options): Don't override
13450         REAL_MODE_FORMAT.
13451         * config/m68k/m68k-modes.def (SF, DF): Define to use
13452         motorola_single_format and motorola_double_format, resp.
13453         * real.c (motorola_single_format): Renamed from
13454         coldfire_single_format.
13455         (motorola_double_format): Renamed from coldfire_double_format.
13456         (encode_ieee_extended): Generate a proper canonical NaN image
13457         respecting canonical_nan_lsbs_set.
13458         (ieee_extended_motorola_format): Set canonical_nan_lsbs_set to
13459         true.
13460         * real.h: Adjust declarations.
13461
13462 2007-06-03  Kaz Kojima  <kkojima@gcc.gnu.org>
13463
13464         PR target/32163
13465         * config/sh/sh.md (symGOT_load): Don't schedule insns when
13466         the symbol is generated with the stack protector.
13467
13468 2007-06-03  Kazu Hirata  <kazu@codesourcery.com>
13469
13470         * config/m68k/m68k.c (m68k_attribute_table): Add "interrupt".
13471         (m68k_get_function_kind): Return m68k_fk_interrupt_handler on
13472         "interrupt".
13473         * doc/extend.texi (interrupt): Mention m68k.
13474
13475 2007-06-02  Uros Bizjak  <ubizjak@gmail.com>
13476
13477         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Call
13478         safe_vector_operand() if input operand is VECTOR_MODE_P operand.
13479         (ix86_expand_sse_pcmpestr): Do not check operands for
13480         "register_operand", when insn operand predicate is "register_operand".
13481         (ix86_expand_sse_pcmpistr): Ditto.
13482
13483 2007-06-02  H.J. Lu  <hongjiu.lu@intel.com>
13484             Uros Bizjak  <ubizjak@gmail.com>
13485
13486         * config/i386/i386.h (enum reg_class) [SSE_FIRST_REG]: New.
13487         (SSE_CLASS_P): Use reg_class_subset_p between SSE_REGS.
13488         (REG_CLASS_NAMES): Add "FIRST_SSE_REG" string.
13489         (REG_CLASS_CONTENTS): Add members of FIRST_SSE_REG class.
13490         * config/i386/constraints.md ("z"): New register constraint
13491         for members of SSE_FIRST_REG class.
13492         * config/i386/i386-modes.def (CCA, CCC, CCO, CCS): New compare modes.
13493         * config/i386/i386.c (regclass_map): Change class of %xmm0 to
13494         SSE_FIRST_REG class.
13495         (put_condition_code) [EQ, NE]: Output suffixes for new compare modes.
13496         (ix86_cc_modes_compatible): Handle CCA, CCC, CCO and CCS modes.
13497         (IX86_BUILTIN_PCMPESTRI128): New for SSE4.2.
13498         (IX86_BUILTIN_PCMPESTRM128): Likewise.
13499         (IX86_BUILTIN_PCMPESTRA128): Likewise.
13500         (IX86_BUILTIN_PCMPESTRC128): Likewise.
13501         (IX86_BUILTIN_PCMPESTRO128): Likewise.
13502         (IX86_BUILTIN_PCMPESTRS128): Likewise.
13503         (IX86_BUILTIN_PCMPESTRZ128): Likewise.
13504         (IX86_BUILTIN_PCMPISTRI128): Likewise.
13505         (IX86_BUILTIN_PCMPISTRM128): Likewise.
13506         (IX86_BUILTIN_PCMPISTRA128): Likewise.
13507         (IX86_BUILTIN_PCMPISTRC128): Likewise.
13508         (IX86_BUILTIN_PCMPISTRO128): Likewise.
13509         (IX86_BUILTIN_PCMPISTRS128): Likewise.
13510         (IX86_BUILTIN_PCMPISTRZ128): Likewise.
13511         (struct builtin_description): Change "flag" field to unsigned.
13512         (bdesc_pcmpestr): New builtin description table.
13513         (bdesc_pcmpistr): Likewise.
13514         (ix86_init_mmx_sse_builtins): Define int_ftype_v16qi_int_v16qi_int_int,
13515         v16qi_ftype_v16qi_int_v16qi_int_int and int_ftype_v16qi_v16qi_int.
13516         Initialize pcmp[ei]str[im] insns for SSE4.2.
13517         (ix86_expand_sse_pcmpestr): New subroutine of ix86_expand_builtin.
13518         (ix86_expand_sse_pcmpistr): Likewise.
13519         (ix86_expand_builtin): Expand pcmp[ei]str[im] builtins for SSE4.2.
13520         * config/i386/i386.md (UNSPEC_PCMPESTR): New for SSE4.2.
13521         (UNSPEC_PCMPISTR): Likewise.
13522         * config/i386/sse.md (sse4_2_pcmpestr): New insn patern and splitter.
13523         (sse4_2_pcmpestri):New isns pattern.
13524         (sse4_2_pcmpestrm): Likewise.
13525         (sse4_2_pcmpestr_cconly): Likewise.
13526         (sse4_2_pcmpistr): New insn patern and splitter.
13527         (sse4_2_pcmpistri):New isns pattern.
13528         (sse4_2_pcmpistrm): Likewise.
13529         (sse4_2_pcmpistr_cconly): Likewise.
13530         * config/i386/smmintrin.h: Enable pcmp[ei]str[im] intrinsics
13531         in SSE4.2.
13532
13533 2007-06-01  David Daney  <ddaney@avtrex.com>
13534
13535         * config/mips/mips.c (mips_output_mi_thunk): Only load gp if not
13536         LOADGP_ABSOLUTE and not binds_local_p.
13537
13538 2007-06-01  Geoffrey Keating  <geoffk@apple.com>
13539
13540         * config/darwin.h (LINK_SPEC): Pass -fpie through to the linker.
13541
13542 2007-06-01  Ian Lance Taylor  <iant@google.com>
13543
13544         * tree-vrp.c (compare_name_with_value): Always set
13545         used_strict_overflow if we get a result from the variable itself.
13546
13547 2007-06-01  Ian Lance Taylor  <iant@google.com>
13548
13549         PR rtl-optimization/31455
13550         * lower-subreg.c (find_decomposable_subregs): Don't decompose
13551         subregs which have a cast between modes which are not tieable.
13552
13553 2007-06-01  Uros Bizjak  <ubizjak@gmail.com>
13554
13555         * expr.c (force_operand) [DIV, MOD, UDIV, UMOD, ASHIFTRT]: Remove
13556         breaks after return statements.
13557
13558 2007-06-01  Kaz Kojima  <kkojima@gcc.gnu.org>
13559
13560         * config/sh/sh.c (fpscr_set_from_mem): Call get_free_reg
13561         only after no_new_pseudos.
13562
13563 2007-05-31  Eric Christopher  <echristo@apple.com>
13564
13565         * expr.c (convert_move): Assert that we don't have a BLKmode
13566         operand.
13567         (store_expr): Handle BLKmode moves by calling emit_block_move.
13568
13569 2007-05-31  Daniel Berlin  <dberlin@dberlin.org>
13570
13571         * c-typeck.c (build_indirect_ref): Include type in error message.
13572         (build_binary_op): Pass types to binary_op_error.
13573         * c-common.c (binary_op_error): Take two type arguments, print out
13574         types with error.
13575         * c-common.h (binary_op_error): Update prototype.
13576
13577 2007-05-31  H.J. Lu  <hongjiu.lu@intel.com>
13578
13579         * config/i386/i386.c: Correct coments on -mno-sse4.
13580
13581 2007-05-31  H.J. Lu  <hongjiu.lu@intel.com>
13582
13583         * config.gcc (i[34567]86-*-*): Add nmmintrin.h to extra_headers.
13584         (x86_64-*-*): Likewise.
13585         * config/i386/i386.c (OPTION_MASK_ISA_MMX_UNSET): New.
13586         (OPTION_MASK_ISA_3DNOW_UNSET): Likewise.
13587         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
13588         (OPTION_MASK_ISA_SSE2_UNSET): Likewise.
13589         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
13590         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
13591         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
13592         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
13593         (OPTION_MASK_ISA_SSE4): Likewise.
13594         (OPTION_MASK_ISA_SSE4_UNSET): Likewise.
13595         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
13596         (ix86_handle_option): Use OPTION_MASK_ISA_*_UNSET.  Handle SSE4.2.
13597         (override_options): Support SSE4.2.
13598         (ix86_build_const_vector): Support SImode and DImode.
13599         (ix86_build_signbit_mask): Likewise.
13600         (ix86_expand_int_vcond): Support V2DImode.
13601         (IX86_BUILTIN_CRC32QI): New for SSE4.2.
13602         (IX86_BUILTIN_CRC32HI): Likewise.
13603         (IX86_BUILTIN_CRC32SI): Likewise.
13604         (IX86_BUILTIN_CRC32DI): Likewise.
13605         (IX86_BUILTIN_PCMPGTQ): Likewise.
13606         (bdesc_crc32): Likewise.
13607         (bdesc_sse_3arg): Likewise.
13608         (ix86_expand_crc32): Likewise.
13609         (ix86_init_mmx_sse_builtins): Support SSE4.2.
13610         (ix86_expand_builtin): Likewise.
13611         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
13612         __SSE4_2__ for -msse4.2.
13613         * config/i386/i386.md (UNSPEC_CRC32): New for SSE4.2.
13614         (CRC32MODE): Likewise.
13615         (crc32modesuffix): Likewise.
13616         (crc32modeconstraint): Likewise.
13617         (sse4_2_crc32<mode>): Likewise.
13618         (sse4_2_crc32di): Likewise.
13619         * config/i386/i386.opt (msse4.2): New for SSE4.2.
13620         (msse4): Likewise.
13621         * config/i386/nmmintrin.h: New. The dummy SSE4.2 intrinsic header file.
13622         * config/i386/smmintrin.h: Add SSE4.2 intrinsics.
13623         * config/i386/sse.md (sse4_2_gtv2di3): New pattern for SSE4.2.
13624         (vcond<mode>): Use SSEMODEI instead of SSEMODE124.
13625         (vcondu<mode>): Likewise.
13626         * doc/extend.texi: Document SSE4.2 built-in functions.
13627         * doc/invoke.texi: Document -msse4.2/-msse4.
13628
13629 2007-05-31  Zdenek Dvorak  <dvorakz@suse.cz>
13630
13631         PR tree-optimization/32160
13632         * tree-predcom.c (predcom_tmp_var): New function.  Mark created
13633         variable as gimple reg.
13634         (initialize_root_vars, initialize_root_vars_lm): Use predcom_tmp_var.
13635
13636 2007-05-31  Kazu Hirata  <kazu@codesourcery.com>
13637
13638         * gcc.c (main): Don't consider linker options when issuing the
13639         warning about a linker input file not being used.
13640
13641 2007-05-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
13642
13643         * tree-vrp.c (compare_names): Initialize sop.
13644
13645 2007-05-30  Dirk Mueller  <dmueller@suse.de>
13646
13647         * cgraphunit.c (cgraph_analyze_function): Remove
13648         computation of inline parameters.
13649
13650 2007-05-30  Uros Bizjak  <ubizjak@gmail.com>
13651
13652         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Undef before define.
13653
13654 2007-05-30  Richard Sandiford  <richard@codesourcery.com>
13655
13656         * config.gcc (arm-wrs-vxworks): Remove dbxelf.h from tm_file.
13657         Add vx-common.h.  Include vxworks.h between vx-common.h and
13658         arm/vxworks.h.
13659         * config/vx-common.h (DWARF2_UNWIND_INFO): Undefine before
13660         redefining.
13661         * config/vxworks.h (TARGET_ASM_CONSTRUCTOR): Likewise.
13662         (TARGET_ASM_DESTRUCTOR): Likewise.
13663         * config/arm/vxworks.h (TARGET_OS_CPP_BUILTINS): Check arm_arch_xscale
13664         instead of arm_is_xscale.  Use VXWORKS_OS_CPP_BUILTINS.
13665         (OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
13666         (CC1_SPEC): Add -tstrongarm.  Line up backslashes.
13667         (VXWORKS_ENDIAN_SPEC): Define.
13668         (ASM_SPEC): Add VXWORKS_ENDIAN_SPEC.
13669         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine to their
13670         VXWORKS_* equivalents.
13671         (LINK_SPEC): Likewise, but add VXWORKS_ENDIAN_SPEC.
13672         (ASM_FILE_START): Delete.
13673         (TARGET_VERSION): Reformat.
13674         (FPUTYPE_DEFAULT, FUNCTION_PROFILER): Define.
13675         (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define.
13676         * config/arm/t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Define.
13677         (FPBIT, DPBIT): Define.
13678         (fp-bit.c, dp-bit.c): New rules.
13679         (MULTILIB_OPTIONS): Add strongarm, -mrtp and -mrtp/-fPIC multilibs.
13680         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Define.
13681         * config/arm/arm-protos.h (arm_emit_call_insn): Declare.
13682         * config/arm/arm.h: Include vxworks-dummy.h.
13683         * config/arm/arm.c (arm_elf_asm_constructor, arm_elf_asm_destructor):
13684         Mark with ATTRIBUTE_UNUSED.
13685         (arm_override_options): Do not allow VxWorks RTP PIC to be used
13686         for Thumb.  Force r9 to be the PIC register for VxWorks RTPs and
13687         make it incompatible with -msingle-pic-base.
13688         (arm_function_ok_for_sibcall): Return false for calls that might
13689         go through a VxWorks PIC PLT entry.
13690         (require_pic_register): New function, split out from...
13691         (legitimize_pic_address): ...here.  Do not use GOTOFF accesses
13692         for VxWorks RTPs.
13693         (arm_load_pic_register): Handle the VxWorks RTP initialization
13694         sequence.  Use pic_reg as a shorthand for cfun->machine->pic_reg.
13695         (arm_emit_call_insn): New function.
13696         (arm_assemble_integer): Do not use GOTOFF accesses for VxWorks RTP.
13697         * config/arm/arm.md (UNSPEC_PIC_OFFSET): New unspec number.
13698         (pic_offset_arm): New pattern.
13699         (call, call_value): Use arm_emit_call_insn.
13700         (call_internal, call_value_internal): New expanders.
13701         * config/arm/lib1funcs.asm (__PLT__): Define to empty for
13702         VxWorks unless __PIC__.
13703
13704 2007-05-30  Eric Christopher  <echristo@gmail.com>
13705
13706         * genrecog.c: Include regs.h in generated file.
13707         * genemit.c: Ditto. Fix up formatting.
13708         * config/mn10300/constraints.md: New.
13709         * config/mn10300/mn10300.md: Include.
13710         * config/mn10300/mn10300.c(mn10300_secondary_reload_class):
13711         Fix up for removed macro.
13712         * config/mn10300/predicates.md (call_address_operand): Ditto.
13713         * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Delete.
13714         (CONST_OK_FOR_I): Ditto.
13715         (CONST_OK_FOR_J): Ditto.
13716         (CONST_OK_FOR_K): Ditto.
13717         (CONST_OK_FOR_L): Ditto.
13718         (CONST_OK_FOR_M): Ditto.
13719         (CONST_OK_FOR_N): Ditto.
13720         (CONST_DOUBLE_OK_FOR_LETTER_P): Ditto.
13721         (OK_FOR_Q): Ditto.
13722         (OK_FOR_R): Ditto.
13723         (OK_FOR_T): Ditto.
13724         (EXTRA_CONSTRAINT): Ditto.
13725
13726 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
13727
13728         * config/i386/i386.h (MASK_64BIT, MASK_MMX, MASK_3DNOW*, MASK_SSE*):
13729         Remove defines.
13730         * config/i386/biarch.h (TARGET_64BIT_DEFAULT): Define to
13731         OPTION_MASK_ISA_64BIT.
13732         * config/i386/i386.c: Rename MASK_* macros to OPTION_MASK_ISA_*.
13733
13734 2007-05-30  Richard Guenther  <rguenther@suse.de>
13735
13736         PR middle-end/32152
13737         * gimplify.c (gimplify_omp_atomic_pipeline): Use correct
13738         types for comparison.
13739         * fold-const.c (fold_comparison): Call maybe_canonicalize_comparison
13740         with original typed arguments.
13741         * config/i386/i386.c (ix86_gimplify_va_arg): Fix type mismatches.
13742
13743 2007-05-30  Jakub Jelinek  <jakub@redhat.com>
13744
13745         PR tree-optimization/31769
13746         * except.c (duplicate_eh_regions): Clear prev_try if
13747         ERT_MUST_NOT_THROW region is inside of ERT_TRY region.
13748
13749 2007-05-30  Zdenek Dvorak  <dvorakz@suse.cz>
13750
13751         * tree-scalar-evolution.c (scev_const_prop): Do not create labels.
13752         * tree-ssa-sink.c (statement_sink_location): Return basic block and
13753         bsi of the location where statements should be inserted.
13754         (sink_code_in_bb): Take bsi from statement_sink_location.
13755         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use bsi_after_labels
13756         instead of bsi_start.
13757         * tree-profile.c (tree_gen_ic_func_profiler): Pass BSI_NEW_STMT to
13758         bsi_insert_after.
13759         * tree-cfg.c (bsi_move_after): Pass BSI_NEW_STMT to bsi_insert_after.
13760         (bsi_move_before): Document inconsistency with bsi_move_after.
13761         (tree_redirect_edge_and_branch): Do not create labels if not necessary.
13762
13763 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
13764
13765         * config/i386/i386.h (TARGET_ABM): New define.
13766         (TARGET_POPCNT): Ditto.
13767         (TARGET_64BIT, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A, TARGET_SSE*):
13768         New temporary defines to redefine from OPTION_ISA_* defines.
13769         (MASK_64BIT, MASK_MMX, MASK_3DNOW, MASK_3DNOW_A, MASK_SSE*):
13770         New temporary defines to redefine from OPTION_MASK_ISA_* defines.
13771         (ix86_isa_flags): New extern int declaration.
13772         (TARGET_SUBTARGET_DEFAULT): New define.
13773         (TARGET_SUBTARGET_ISA_DEFAULT): Ditto.
13774         (TARGET_SUBTARGET32_DEFAULT): Ditto.
13775         (TARGET_SUBTARGET32_ISA_DEFAULT): Ditto.
13776         (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
13777         * config/i386/unix.h: Undef TARGET_SUBTARGET_DEFAULT before define.
13778         * config/i386/darwin.h: Change TARGET_64BIT define to
13779         OPTION_ISA_64BIT.
13780
13781         * config/i386/i386.opt (m3dnowa): Define as undocumented option
13782         using existing "ix86_isa_flags" varible.
13783         (m32, m64): Use existing "ix86_isa_flags" variable.
13784         (mmmx, m3dnow): Ditto.
13785         (msse, msse2, msse3, mssse3, msse4.1, msse4a): Ditto.
13786         (mabm): Define as non-negative option using "x86_abm" variable.
13787         (mpopcnt): Define as non-negative option using "x86_popcnt" variable.
13788
13789         * config/i386/i386.c (ix86_arch_features) [X86_ARCH_CMOVE]:
13790         Rewrite feature test bitmap.
13791         (ix86_isa_flags): New initialized global int varible.
13792         (ix86_isa_flags_explicit): New static int variable.
13793         (ix86_handle_option): Set "ix86_isa_flags_explicit" when mmmx, m3dnow,
13794         msse, msse2, msse3, msse4.1 and msse4a option is processed.  Change
13795         i86_isa_flags and ix86_isa_flags_explicit, not target_flags and
13796         target_flags_explicit.
13797         (override_options): Remove "target_enable" and "target_disable" fields
13798         from "struct ptt". Update processor_target_table accordingly. Remove
13799         PTA_PREFETCH_SSE from processor_alias_table entry if PTE_SSE is
13800         defined and rearrange PTA_* bits.  Use "ix86_isa_flags" instead of
13801         "target_flags" and "ix86_isa_flags_explicit" instead of
13802         "target_flags_explicit" when masked with MASK_64BIT, MASK_MMX,
13803         MASK_3DNOW, MASK_3DNOW_A or MASK_SSE*.  Set "x86_abm" to true when
13804         PTA_ABM is set in processor_alias_table flags entry.  Set "x86_popcnt"
13805         to true when either of PTA_POPCNT or PTA_ABM is set in
13806         processor_alias_table flags entry.  Set "x86_prefetch_sse" to true
13807         when either of PTA_PREFETCH_SSE or PTA_SSE is set in
13808         processor_alias_table flags entry.  Remove handling of
13809         "target_enable" and "target_disable" fields of processor_target_table.
13810         Mask "target_flags" with TARGET_SUBTARGET32_DEFAULT for 32-bit
13811         targets or with TARGET_SUBTARGET64_DEFAULT for 64-bit targets.
13812         Mask "ix86_isa_flags" with TARGET_SUBTARGET32_ISA_DEFAULT for 32-bit
13813         targets or with TARGET_SUBTARGET64_ISA_DEFAULT for 64-bit targets.
13814         (def_builtin): Mask "mask" variable with "ix86_isa_flags", not
13815         "target_flags".
13816         (TARGET_DEFAULT_TARGET_FLAGS): Do not include TARGET_64BIT_DEFAULT.
13817
13818 2007-05-29  David Daney  <ddaney@avtrex.com>
13819
13820         PR gcc/31975
13821         * config/mips/mips.c (mips_output_mi_thunk): Emit
13822         NOTE_INSN_PROLOGUE_END at beginning of the thunk.
13823
13824 2007-05-29  Hui-May Chang  <hm.chang@apple.com>
13825         * config/i386/i386.c (ix86_function_regparm): Added checking of
13826         ix86_force_align_arg_pointer to determine the number of
13827         register parameters.
13828
13829 2007-05-29  Zdenek Dvorak  <dvorakz@suse.cz>
13830
13831         * tree-vectorizer.h (DR_MISALIGNMENT): Cast aux to integer.
13832         (SET_DR_MISALIGNMENT): New.
13833         * tree-vect-analyze.c (vect_compute_data_ref_alignment,
13834         vect_update_misalignment_for_peel, vect_enhance_data_refs_alignment):
13835         Use SET_DR_MISALIGNMENT.
13836         * tree-predcom.c (split_data_refs_to_components): Cast dr->aux from
13837         pointer.
13838         * tree-data-ref.c (create_data_ref, compute_all_dependences,
13839         find_loop_nest): Export.
13840         * tree-data-ref.h (struct data_reference): Change aux field to pointer.
13841         (create_data_ref, compute_all_dependences, find_loop_nest): Declare.
13842         * tree-ssa-loop-prefetch.c: Include tree-data-ref.h.
13843         (L1_CACHE_SIZE_BYTES, L2_CACHE_SIZE_BYTES, NONTEMPORAL_FRACTION):
13844         New macros.
13845         (struct mem_ref): Add field reuse_distance.
13846         (find_or_create_group, record_ref): Use XNEW instead of xcalloc.
13847         Initialize reuse_distance field.
13848         (issue_prefetch_ref): Select temporality of prefetch according to
13849         reuse_distance.
13850         (volume_of_references, volume_of_dist_vector, add_subscript_strides,
13851         self_reuse_distance, determine_loop_nest_reuse): New functions.
13852         (loop_prefetch_arrays): Call determine_loop_nest_reuse.
13853         (tree_ssa_prefetch_arrays): Dump L2 cache size.
13854         * Makefile.in (tree-ssa-loop-prefetch.o): Add TREE_DATA_REF_H
13855         dependency.
13856
13857 2007-05-29  Daniel Berlin  <dberlin@dberlin.org>
13858
13859         * tree-ssa-alias.c: Add aliasing overview.
13860
13861 2007-05-29  Zuxy Meng  <zuxy.meng@gmail.com>
13862             Danny Smith  <dannysmith@users.sourceforge.net>
13863
13864         PR target/29498
13865         * config/i386/t-crtfm: Compile crtfastmath.o with
13866         -minline-all-stringops.
13867         * config/i386/cygwin.h (ENDFILE_SPECS): Add crtfastmath.o.
13868         * config/i386/mingw32.h (ENDFILE_SPECS): Add crtfastmath.o.
13869
13870 2007-05-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13871
13872         * doc/md.texi: Document constraints on HP PA-RISC.
13873
13874         * pa/constraints.md: New file.
13875         * pa.md: Include constraints.md.
13876         * pa.c (cint_ok_for_move): Avoid using CONST_OK_FOR_LETTER_P.
13877         (integer_store_memory_operand, ldil_cint_p): New functions.
13878         * pa-protos.h (integer_store_memory_operand, ldil_cint_p): Declare.
13879         * pa.h (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
13880         IS_RELOADING_PSEUDO_P, EXTRA_CONSTRAINT): Remove.
13881         * pa32-regs.h (REG_CLASS_FROM_LETTER): Remove.
13882         * pa64-regs.h (REG_CLASS_FROM_LETTER): Remove.
13883
13884 2007-05-28  Andrew Pinski  <Andrew_pinski@playstation.sony.com>
13885
13886         PR c/31339
13887         * c-typeck.c (build_unary_op <case PREINCREMENT_EXPR,
13888         case POSTINCREMENT_EXPR, case PREDECREMENT_EXPR,
13889         case POSTDECREMENT_EXPR>): Return the error_mark_node
13890         if either the real or imaginary parts would an
13891         error_mark_node.
13892
13893 2007-05-28  Daniel Berlin  <dberlin@dberlin.org>
13894
13895         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Release LHS SSA
13896         name when we remove it from a call.
13897
13898 2007-05-28  Kazu Hirata  <kazu@codesourcery.com>
13899
13900         * targhooks.c (default_narrow_bitfield): Remove.
13901         * targhooks.h: Remove the prototype for
13902         default_narrow_bitfield.
13903
13904         * langhooks-def.h: Remove the prototype for
13905         hook_get_alias_set_0.
13906         * langhooks.c (hook_get_alias_set_0): Remove.
13907
13908         * global.c (EXECUTE_IF_CONFLICT): Remove.
13909
13910 2007-05-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13911
13912         PR tree-opt/32100
13913         * fold-const.c (tree_expr_nonnegative_warnv_p): Don't
13914         return true when truth_value_p is true and the type
13915         is of signed:1.
13916
13917 2007-05-28  Gerald Pfeifer  <gerald@pfeifer.com>
13918
13919         * doc/install.texi (Prerequisites): We no longer require Autoconf
13920         2.13 for the top-level.
13921
13922 2007-05-28  Uros Bizjak  <ubizjak@gmail.com>
13923
13924         * target/i386/i386.c (ix86_expand_vector_move): Expand unaligned
13925         memory access via x86_expand_vector_move_misalign() only for
13926         TImode values on 32-bit targets.
13927
13928 2007-05-28  Razya Ladelsky  <razya@il.ibm.com>
13929
13930         * matrix-reorg.c: New file. Implement matrix flattening and
13931         transposing optimization.
13932         * tree-pass.h: Add matrix reorg pass.
13933         * common.opt: Add fipa-mreorg flag.
13934         * Makefile.in: Add matrix-reorg.c.
13935         * passes.c: Add matrix reorg pass.
13936         * varpool.c (add_new_static_var): New function.
13937         * cgraph.h (add_new_static_var): Declare.
13938
13939 2007-05-27  Eric Christopher  <echristo@apple.com>
13940
13941         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update
13942         sp_offset depending on stack size. Save r12 depending
13943         on registers we're saving later.
13944         (rs6000_emit_epilogue): Update sp_offset depending only
13945         on stack size.
13946
13947 2007-05-27  Zdenek Dvorak  <dvorakz@suse.cz>
13948
13949         * tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL.
13950         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
13951         * ifcvt.c (if_convert): Ditto.
13952         * tree-ssa-threadupdate.c (thread_block): Ditto.
13953         (thread_through_all_blocks): Ditto.  Assert that loops were analysed.
13954         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
13955         verify_loop_closed_ssa): Check number_of_loops instead of
13956         current_loops.
13957         * predict.c (tree_estimate_probability): Ditto.
13958         * tree-if-conv.c (main_tree_if_conversion): Ditto.
13959         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13960         * modulo-sched.c (sms_schedule): Ditto.
13961         * tree-scalar-evolution.c (scev_const_prop): Ditto.
13962         (scev_finalize): Do not do anything if scev analysis was not
13963         initialized.
13964         * cfgloopanal.c (mark_irreducible_loops): Do not check whether
13965         current_loops == NULL.
13966         (mark_loop_exit_edges): Check number_of_loops instead of current_loops.
13967         * loop-init.c (loop_optimizer_init): Do not free current_loops when
13968         there are no loops.
13969         (loop_optimizer_finalize): Assert that loops were analyzed.
13970         (rtl_move_loop_invariants, rtl_unswitch, rtl_unroll_and_peel_loops,
13971         rtl_doloop): Check number_of_loops instead of current_loops.
13972         * tree-ssa-loop.c (tree_loop_optimizer_init): Do not check whether
13973         current_loops == NULL.
13974         (tree_ssa_loop_init, tree_ssa_loop_im, tree_ssa_loop_unswitch,
13975         gate_tree_vectorize tree_linear_transform, check_data_deps,
13976         tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
13977         tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts):
13978         Check number_of_loops instead of current_loops.
13979         (tree_ssa_loop_done): Do not check whether current_loops == NULL.
13980         * tree-ssa-pre.c (fini_pre): Do not take do_fre argument.  Always
13981         free loops if available.
13982         (execute_pre): Do not pass do_fre to fini_pre.
13983
13984 2007-05-27  Tobias Burnus  <burnus@net-b.de>
13985
13986         PR middle-end/32083
13987         * real.c (mpfr_from_real): Fix sign of -Inf.
13988
13989 2007-05-27  H.J. Lu  <hongjiu.lu@intel.com>
13990
13991         * tree-vect-transform.c (vectorizable_conversion): Initialize
13992         tree_code variables to ERROR_MARK.
13993         (vectorizable_type_demotion): Likewise.
13994         (vectorizable_type_promotion): Likewise.
13995
13996 2007-05-26  Uros Bizjak  <ubizjak@gmail.com>
13997
13998         PR target/32065
13999         * config/i386/i386.md (movti): Handle push operands via
14000         ix86_expand_push().
14001
14002 2007-05-26  Kazu Hirata  <kazu@codesourcery.com>
14003
14004         * basic-block.h: Remove the prototype for merge_seq_blocks.
14005         * cfgcleanup.c (merge_seq_blocks): Remove.
14006
14007         * tree-flow.h: Remove the prototype for is_aliased_with.
14008         * tree-ssa-alias.c (is_aliased_with): Remove.
14009
14010 2007-05-26  H.J. Lu  <hongjiu.lu@intel.com>
14011
14012         * config/i386/i386-protos.h (ix86_expand_sse4_unpack): New.
14013
14014         * config/i386/i386.c (ix86_expand_sse4_unpack): New.
14015
14016         * config/i386/sse.md (vec_unpacku_hi_v16qi): Call
14017         ix86_expand_sse4_unpack if SSE4.1 is enabled.
14018         (vec_unpacks_hi_v16qi): Likewise.
14019         (vec_unpacku_lo_v16qi): Likewise.
14020         (vec_unpacks_lo_v16qi): Likewise.
14021         (vec_unpacku_hi_v8hi): Likewise.
14022         (vec_unpacks_hi_v8hi): Likewise.
14023         (vec_unpacku_lo_v8hi): Likewise.
14024         (vec_unpacks_lo_v8hi): Likewise.
14025         (vec_unpacku_hi_v4si): Likewise.
14026         (vec_unpacks_hi_v4si): Likewise.
14027         (vec_unpacku_lo_v4si): Likewise.
14028         (vec_unpacks_lo_v4si): Likewise.
14029
14030 2007-05-26  Kazu Hirata  <kazu@codesourcery.com>
14031
14032         * c-typeck.c, config/arm/arm.c, config/darwin.c,
14033         config/sh/symbian.c, gcc.c, ipa-cp.c, ipa-inline.c, loop-iv.c,
14034         omega.c, tree-ssa-loop-niter.c, treestruct.def: Fix typos and
14035         follow spelling conventions in various
14036         warning/error/diagnostic messages.
14037
14038         * config/i386/i386.c, config/pa/pa.c, config/spu/spu.c,
14039         df-problems.c, df-scan.c, domwalk.c, ebitmap.c, ebitmap.h,
14040         fold-const.c, gcc.c, ipa-type-escape.c, omega.c, omega.h,
14041         tree-ssa-coalesce.c, tree-ssa-live.c, tree-ssa-structalias.c,
14042         tree-vrp.c: Fix comment typos.  Follow spelling conventions.
14043         * doc/tm.texi: Follow spelling conventions.
14044
14045 2007-05-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14046
14047         PR tree-opt/32090
14048         * tree-ssa-forwprop.c
14049         (forward_propagate_addr_into_variable_array_index): Remove
14050         the lhs argument.  Use the type of def_rhs instead of lhs.
14051         (forward_propagate_addr_expr_1): Update use of
14052         forward_propagate_addr_into_variable_array_index.
14053
14054 2007-05-25  Sandra Loosemore  <sandra@codesourcery.com>
14055             Nigel Stephens  <nigel@mips.com>
14056
14057         * config/mips/mips.c (mips_attribute_table): Add "near" and "far"
14058         function attributes, "far" being an alias for "long_call".
14059         (TARGET_COMP_TYPE_ATTRIBUTES): Define as mips_comp_type_attributes.
14060         (mips_near_type_p, mips_far_type_p): New.
14061         (mips_comp_type_attributes): New function to check that attributes
14062         attached to a function type are compatible.
14063         (mips_output_mi_thunk): Test SYMBOL_REF_LONG_CALL_P() rather than
14064         TARGET_LONG_CALLS when deciding whether we can do a direct sibcall
14065         to the target function of the thunk.
14066         (mips_encode_section_info): Check for "near" and "far" function
14067         attributes, and always set the SYMBOL_FLAG_LONG_CALL bit explicitly.
14068
14069         * config/mips/predicates.md (const_call_insn_operand): Test only
14070         SYMBOL_REF_LONG_CALL_P() and not TARGET_LONG_CALLS.
14071
14072         * doc/extend.texi (Function Attributes): Document MIPS "near" and
14073         "far" attributes.
14074
14075         * testsuite/gcc.target/mips/near-far-1.c: New test case.
14076         * testsuite/gcc.target/mips/near-far-2.c: New test case.
14077         * testsuite/gcc.target/mips/near-far-3.c: New test case.
14078         * testsuite/gcc.target/mips/near-far-4.c: New test case.
14079
14080 2007-05-25  Eric Christopher  <echristo@apple.com>
14081
14082         * config.gcc: Add i386/t-fprules-softfp64 and soft-fp/t-softfp
14083         to x86-darwin configurations.
14084         * config/i386/t-darwin: Add softfp support.
14085         * config/i386/t-darwin64: Ditto.
14086         * config/i386/sfp-machine.h: If mach then don't use
14087         aliasing, emit a stub to call.
14088
14089 2007-05-25  Kazu Hirata  <kazu@codesourcery.com>
14090
14091         * cfglayout.c, cgraphunit.c, config/avr/avr.c, fold-const.c,
14092         haifa-sched.c, optabs.h, tree-affine.c, tree-data-ref.c,
14093         tree-predcom.c, tree-ssa-alias-warnings.c,
14094         tree-ssa-forwprop.c, tree-vect-analyze.c, tree-vrp.c: Fix
14095         comment typos.  Follow spelling conventions.
14096         * doc/cpp.texi, doc/invoke.texi: Fix typos.
14097
14098 2007-05-26  Uros Bizjak  <ubizjak@gmail.com>
14099
14100         PR target/32065
14101         * target/i386/i386.c (ix86_expand_vector_move): Force SUBREGs of
14102         constants into memory.  Expand unaligned memory references for
14103         SSE modes via x86_expand_vector_move_misalign() function.
14104
14105 2007-05-25  Uros Bizjak  <ubizjak@gmail.com>
14106
14107         * config/i386/sse.md (*vec_extractv2di_1_sse2): Do not calculate
14108         "memory" attribute for "sseishft" type insn without operands[2].
14109
14110 2007-05-25  Dirk Mueller  <dmueller@suse.de>
14111             Marcus Meissner <meissner@suse.de>
14112
14113         * doc/extend.texi (alloc_size): New attribute.
14114         * c-common.c (handle_alloc_size_attribute): New.
14115         * tree-object-size.c (alloc_object_size): Use alloc_size
14116         attribute, if available.
14117
14118 2007-05-25  H.J. Lu  <hongjiu.lu@intel.com>
14119
14120         * config/i386/i386.c (__builtin_ia32_vec_ext_v2df): Mark it
14121         with MASK_SSE2.
14122         (__builtin_ia32_vec_ext_v2di): Likewise.
14123         (__builtin_ia32_vec_ext_v4si): Likewise.
14124         (__builtin_ia32_vec_ext_v8hi): Likewise.
14125         (__builtin_ia32_vec_ext_v16qi): Likewise.
14126         (__builtin_ia32_vec_set_v8hi): Likewise.
14127
14128 2007-05-25  H.J. Lu  <hongjiu.lu@intel.com>
14129
14130         * config/i386/sse.md (*vec_extractv2di_1_sse2): Correct shift.
14131
14132 2007-05-25  Richard Sandiford  <richard@codesourcery.com>
14133
14134         * config/arm/arm-protos.h (arm_encode_call_attribute): Delete.
14135         (arm_is_longcall_p): Rename to...
14136         (arm_is_long_call_p): ...this.  Take a single tree argument and
14137         return a bool.
14138         * config/arm/arm.h (CALL_SHORT, CALL_LONG, CALL_NORMAL): Delete.
14139         (CUMULATIVE_ARGS): Remove call_cookie.
14140         (SHORT_CALL_FLAG_CHAR, LONG_CALL_FLAG_CHAR, ENCODED_SHORT_CALL_ATTR_P)
14141         (ENCODED_LONG_CALL_ATTR_P): Delete.
14142         (ARM_NAME_ENCODING_LENGTHS): Remove SHORT_CALL_FLAG_CHAR and
14143         LONG_CALL_FLAG_CHAR cases.
14144         (ARM_DECLARE_FUNCTION_SIZE): Delete.
14145         * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Don't use
14146         ARM_DECLARE_FUNCTION_SIZE.
14147         * config/arm/arm.c (arm_init_cumulative_args): Don't set call_cookie.
14148         (arm_function_arg): Return const0_rtx for VOIDmode arguments.
14149         (arm_encode_call_attribute, current_file_function_operand): Delete.
14150         (arm_function_in_section_p): New function.
14151         (arm_is_longcall_p): Rename to...
14152         (arm_is_long_call_p): ...this.  Take the target function as a single
14153         argument and return a bool.  Do not rely on call cookies.  Check
14154         whether the target symbol is in the same section as the current
14155         function, not just the same compilation unit.
14156         (arm_function_ok_for_sibcall): Use arm_is_long_call_p.
14157         (arm_encode_section_info): Don't encode a call type.
14158         * config/arm/arm.md (call, call_value): Update calls to
14159         arm_is_long(_)call_p.  Simplify logic.
14160         (*call_symbol, *call_value_symbol, *call_insn, *call_value_insn):
14161         Update calls to arm_is_long(_)call_p.
14162
14163 2007-05-25  Richard Guenther  <rguenther@suse.de>
14164
14165         PR tree-optimization/31982
14166         * tree-ssa-forwprop.c
14167         (forward_propagate_addr_into_variable_array_index): Handle arrays
14168         with element size one.
14169
14170 2007-05-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14171
14172         * config/spu/spu.md (smulsi3_highpart): Unshare the rtl chain.
14173         (umulsi3_highpart): Likewise.
14174
14175 2007-05-24  Ian Lance Taylor  <iant@google.com>
14176
14177         PR rtl-optimization/32069
14178         * regclass.c (regclass): Don't crash if the entry in regno_reg_rtx
14179         is NULL.
14180
14181 2007-05-24  Ollie Wild  <aaw@google.com>
14182
14183         * doc/cpp.texi (Common Predefined Macros): Add __COUNTER__
14184         description.
14185
14186 2007-05-24  Richard Sandiford  <rsandifo@nildram.co.uk>
14187
14188         * postreload-gcse.c (reg_changed_after_insn_p): New function.
14189         (oprs_unchanged_p): Use it to check all registers in a REG.
14190         (record_opr_changes): Look for clobbers in CALL_INSN_FUNCTION_USAGE.
14191         (reg_set_between_after_reload_p): Delete.
14192         (reg_used_between_after_reload_p): Likewise.
14193         (reg_set_or_used_since_bb_start): Likewise.
14194         (eliminate_partially_redundant_load): Use reg_changed_after_insn_p
14195         and reg_used_between_p instead of reg_set_or_used_since_bb_start.
14196         Use reg_set_between_p instead of reg_set_between_after_reload_p.
14197         * rtlanal.c (reg_set_p): Check whether REG overlaps
14198         regs_invalidated_by_call, rather than just checking the
14199         membership of REGNO (REG).
14200
14201 2007-05-24  Zdenek Dvorak  <dvorakz@suse.cz>
14202
14203         * doc/passes.texi: Document predictive commoning.
14204         * doc/invoke.texi (-fpredictive-commoning): Document.
14205         * opts.c (decode_options): Enable flag_predictive_commoning on -O3.
14206         * tree-ssa-loop-im.c (get_lsm_tmp_name): Export.  Allow
14207         adding indices to the generated name.
14208         (schedule_sm): Pass 0 to get_lsm_tmp_name.
14209         * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Export.
14210         * tree-pretty-print.c (op_symbol_1): Renamed to ...
14211         (op_symbol_code): ... and exported.
14212         (dump_omp_clause, op_symbol): Use op_symbol_code
14213         instead of op_symbol_1.
14214         * tree-pass.h (pass_predcom): Declare.
14215         * timevar.def (TV_PREDCOM): New timevar.
14216         * tree-ssa-loop.c (run_tree_predictive_commoning,
14217         gate_tree_predictive_commoning, pass_predcom): New.
14218         * tree-data-ref.c (find_data_references_in_loop): Find the
14219         references in dominance order.
14220         (canonicalize_base_object_address): Ensure that the result has
14221         pointer type.
14222         (dr_analyze_innermost): Export.
14223         (create_data_ref): Code to fail for references with invariant
14224         address moved ...
14225         (find_data_references_in_stmt): ... here.
14226         * tree-data-ref.h (dr_analyze_innermost): Declare.
14227         * tree-affine.c: Include tree-gimple.h and hashtab.h.
14228         (aff_combination_find_elt, name_expansion_hash,
14229         name_expansion_eq, tree_to_aff_combination_expand,
14230         double_int_constant_multiple_p, aff_combination_constant_multiple_p):
14231         New functions.
14232         * tree-affine.h (aff_combination_constant_multiple_p,
14233         tree_to_aff_combination_expand): Declare.
14234         * tree-predcom.c: New file.
14235         * common.opt (fpredictive-commoning): New option.
14236         * tree-flow.h (op_symbol_code, tree_predictive_commoning,
14237         stmt_dominates_stmt_p, get_lsm_tmp_name): Declare.
14238         * Makefile.in (tree-predcom.o): Add.
14239         (tree-affine.o): Add TREE_GIMPLE_H dependency.
14240         * passes.c (init_optimization_passes): Add dceloop after
14241         copy propagation in loop optimizer.  Add predictive commoning
14242         to loop optimizer passes.
14243
14244 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
14245
14246         * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Correct
14247         default hook.
14248
14249 2007-05-24  Jan Hubicka  <jh@suse.cz>
14250
14251         * gengenrtl.c (gendecl, gendef): Output the gens annotated for
14252         statistics.
14253         (genheader): Include statistics.h.
14254
14255         * doc/invoke.texi (-fdump-unnumbered): Update docs when line number
14256         notes are gone.
14257         * print-rtl.c (flag_dump_unnumbered): Update comments.
14258         (print_rtl): Fix my previous change.
14259         * emit-rtl.c (emit_note_before, emit_note_after): Clear out note
14260         specific data.
14261
14262 2007-05-24  Zdenek Dvorak  <dvorakz@suse.cz>
14263
14264         PR middle-end/32018
14265         * tree-ssa-threadupdate.c (thread_through_loop_header): Use
14266         set_loop_copy.
14267         (thread_through_all_blocks): Call initialize_original_copy_tables
14268         and free_original_copy_tables.
14269         * cfgloopmanip.c (duplicate_loop, duplicate_loop_to_header_edge):
14270         Use set_loop_copy.
14271         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
14272         * cfghooks.c (duplicate_block): Use get_loop_copy.
14273         * cfg.c: Include cfgloop.h.
14274         (loop_copy): New hash table.
14275         (initialize_original_copy_tables): Initialize loop_copy table.
14276         (free_original_copy_tables): Free loop_copy table.
14277         (copy_original_table_clear, copy_original_table_set,
14278         set_loop_copy, get_loop_copy): New functions.
14279         (set_bb_original, set_bb_copy): Use copy_original_table_set.
14280         * cfgloop.h (struct loop): Remove copy field.
14281         * Makefile.in (cfg.o): Add CFGLOOP_H dependency.
14282         * basic-block.h (set_loop_copy, get_loop_copy): Declare.
14283
14284 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
14285
14286         * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 for
14287         -msse/-msse2/-msse3.
14288
14289 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
14290
14291         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Mark
14292         __builtin_ia32_vec_set_v2di with MASK_64BIT.
14293
14294 2007-05-24  Danny Smith  <dannysmith@users.sourceforge.net>
14295
14296         PR target/27067
14297         * doc/tm.texi (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Document.
14298         * targhooks.h (default_mangle_decl_assembler_name): Declare
14299         default hook.
14300         * targhooks.c (default_mangle_decl_assembler_name): Define
14301         default hook.
14302         * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) New. Set to
14303         default hook.
14304         * target.h (struct gcc_target): Add mangle_decl_assembler_name field.
14305         * langhooks.c (lhd_set_decl_assembler_name): Call
14306         targetm.mangle_decl_assembler_name for names with global scope.
14307
14308         * config/i386/cygming.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) Override
14309         default.
14310         (ASM_OUTPUT_DEF_FROM_DECLS): Simplify to use DECL_ASSEMBLER_NAME.
14311         * config/i386/i386-protos.h (i386_pe_mangle_decl_assembler_name):
14312         Declare.
14313         * config/i386/winnt.c (i386_pe_maybe_mangle_decl_assembler_name):
14314         New. Factored out of i386_pe_encode_section_info.
14315         (gen_stdcall_or_fastcall_suffix): Get name identifier as argument.
14316         Move check for prior decoration of stdcall
14317         symbols to i386_pe_encode_section_info.
14318         (i386_pe_encode_section_info): Adjust call to
14319         gen_stdcall_or_fastcall_suffix.  Use
14320         i386_pe_maybe_mangle_decl_assembler_name, if needed.
14321         (i386_pe_mangle_decl_assembler_name): New. Wrap
14322         i386_pe_maybe_mangle_decl_assembler_name.
14323
14324 2007-05-16  Rafael Avila de Espindola  <espindola@google.com>
14325
14326         * c-common.c (c_common_signed_or_unsigned_type): Delay the check for
14327         INTEGRAL_TYPE_P and TYPE_UNSIGNED.
14328         * langhooks.c (get_signed_or_unsigned_type): Don't check for
14329         INTEGRAL_TYPE_P or TYPE_UNSIGNED.
14330         (lhd_signed_or_unsigned_type): Check for INTEGRAL_TYPE_P and
14331         TYPE_UNSIGNED.
14332
14333 2007-05-23  Sandra Loosemore  <sandra@codesourcery.com>
14334             Nigel Stephens  <nigel@mips.com>
14335             Richard Sandiford  <richard@codesourcery.com>
14336
14337         Fix up MIPS16 hard float and add support for complex.
14338
14339         * config/mips/mips.h (TARGET_HARD_FLOAT_ABI): New.
14340         (TARGET_SOFT_FLOAT_ABI): New.
14341         (TARGET_CPU_CPP_BUILTINS): Define __mips_hard_float and
14342         __mips_soft_float to reflect the ABI in use, not whether the
14343         FPU is directly accessible (e.g., in MIPS16 mode).
14344         (UNITS_PER_HWFPVALUE): Use TARGET_SOFT_FLOAT_ABI.
14345         (UNITS_PER_FPVALUE): Likewise.
14346
14347         * config/mips/mips.c (mips_expand_call): Remove redundant
14348         TARGET_MIPS16 check.
14349         (mips_arg_regno): New.
14350         (function_arg_advance): When setting bits in cum->fp_code for
14351         MIPS16, don't subtract 1 from cum->arg_number, since it is now
14352         zero-based.
14353         (function_arg): Use mips_arg_regno.
14354         (mips_return_mode_in_fpr_p): New.
14355         (mips16_call_stub_mode_suffix): New.
14356         (mips16_cfun_returns_in_fpr_p): New.
14357         (mips_save_reg_p): Use mips16_cfun_returns_in_fpr_p.
14358         (mips_output_function_prologue): Test mips16_hard_float, not
14359         !TARGET_SOFT_FLOAT, to decide when a function stub is required.
14360         (mips_expand_epilogue): Call MIPS16 helper routines to copy
14361         return value into a floating-point register.
14362         (mips_can_use_return_insn): Use mips16_cfun_returns_in_fpr_p.
14363         (mips_function_value): Rewrite to use mips_return_mode_in_fpr_p.
14364         (mips16_fp_args): Handle MIPS32r2 ISA which supports
14365         TARGET_FLOAT64, and use mfhc1/mthc1 to copy the most significant
14366         word of double arguments from or to the high bits of 64-bit
14367         floating point registers.
14368         (build_mips16_function_stub): Fill in DECL_RESULT for stubdecl.
14369         (mips16_fpret_double): New helper function.
14370         (build_mips16_call_stub): Use mips16_return_mode_in_fpr_p.  Add
14371         support for complex modes.  Fill in DECL_RESULT for stubdecl.
14372         (mips_init_libfuncs): Remove redundant TARGET_MIPS16 check.
14373
14374         * config/mips/mips16.S
14375         (RET, ARG1, ARG2): New.
14376         (MERGE_GPRf, MERGE_GPRt): New.
14377         (DELAYt, DELAYf): New.
14378         (MOVE_SF_BYTE0, MOVE_SI_BYTE0): New.
14379         (MOVE_SF_BYTE4, MOVE_SF_BYTE8): New.
14380         (MOVE_DF_BYTE0, MOVE_DF_BYTE8): New.
14381         (MOVE_SF_RET, MOVE_SC_RET, MOVE_DF_RET, MOVE_DC_RET, MOVE_SI_RET): New.
14382         (SFOP): Renamed to...
14383         (OPSF3): This, and macro-ified.  Updated all uses.
14384         (SFOP2): Renamed to...
14385         (OPSF2): This, and macro-ified.  Updated all uses.
14386         (SFCMP): Renamed to...
14387         (CMPSF): This, and macro-ified.  Updated all uses.
14388         (SFREVCMP): Renamed to...
14389         (REVCMPSF): This, and macro-ified.  Updated all uses.
14390         (__mips16_floatsisf, __mips16_fix_truncsfsi): Macro-ified.
14391         (LDDBL1, LDDBL2, RETDBL): Deleted.
14392         (DFOP): Renamed to...
14393         (OPDF3): This, and macro-ified.  Updated all uses.
14394         (DFOP2): Renamed to...
14395         (OPDF2): This, and macro-ified.  Updated all uses.
14396         (__mips16_extendsfdf2, __mips16_truncdfsf2): Macro-ified.
14397         (DFCMP): Renamed to...
14398         (CMPDF): This, and macro-ified.  Updated all uses.
14399         (DFREVCMP): Renamed to...
14400         (REVCMPDF): This, and macro-ified.  Updated all uses.
14401         (__mips16_floatsidf, __mips16_fix_truncdfsi): Macro-ified.
14402         (RET_FUNCTION): New.
14403         (__mips16_ret_sf, __mips16_ret_df): Macro-ified.
14404         (__mips16_ret_sc, __mips16_ret_dc): New.
14405         (STUB_ARGS_0, STUB_ARGS_1, STUB_ARGS_5, STUB_ARGS_9, STUB_ARGS_2,
14406         STUB_ARGS_6, STUB_ARGS_10): New.
14407         (CALL_STUB_NO_RET): New.
14408         (__mips16_call_stub_1): Macro-ified.
14409         (__mips16_call_stub_5): Macro-ified.
14410         (__mips16_call_stub_2): Macro-ified.
14411         (__mips16_call_stub_6): Macro-ified.
14412         (__mips16_call_stub_9): Macro-ified.
14413         (__mips16_call_stub_10): Macro-ified.
14414         (CALL_STUB_RET): New.
14415         (__mips16_call_stub_sf_0): Macro-ified.
14416         (__mips16_call_stub_sf_1): Macro-ified.
14417         (__mips16_call_stub_sf_5): Macro-ified.
14418         (__mips16_call_stub_sf_2): Macro-ified.
14419         (__mips16_call_stub_sf_6): Macro-ified.
14420         (__mips16_call_stub_sf_9): Macro-ified.
14421         (__mips16_call_stub_sf_10): Macro-ified.
14422         (__mips16_call_stub_df_0): Macro-ified.
14423         (__mips16_call_stub_df_1): Macro-ified.
14424         (__mips16_call_stub_df_5): Macro-ified.
14425         (__mips16_call_stub_df_2): Macro-ified.
14426         (__mips16_call_stub_df_6): Macro-ified.
14427         (__mips16_call_stub_df_9): Macro-ified.
14428         (__mips16_call_stub_df_10): Macro-ified.
14429         (__mips16_call_stub_sc_0): New.
14430         (__mips16_call_stub_sc_1): New.
14431         (__mips16_call_stub_sc_5): New.
14432         (__mips16_call_stub_sc_2): New.
14433         (__mips16_call_stub_sc_6): New.
14434         (__mips16_call_stub_sc_9): New.
14435         (__mips16_call_stub_sc_10): New.
14436         (__mips16_call_stub_dc_0): New.
14437         (__mips16_call_stub_dc_1): New.
14438         (__mips16_call_stub_dc_5): New.
14439         (__mips16_call_stub_dc_2): New.
14440         (__mips16_call_stub_dc_6): New.
14441         (__mips16_call_stub_dc_9): New.
14442         (__mips16_call_stub_dc_10): New.
14443
14444         * config/mips/t-elf (LIB1ASMFUNCS): Add MIPS16 floating-point stubs.
14445         * config/mips/t-isa3264 (LIB1ASMFUNCS): Likewise.
14446         * config/mips/t-r2900 (LIB1ASMFUNCS): Likewise.
14447
14448 2007-05-23  Ian Lance Taylor  <iant@google.com>
14449
14450         * doc/invoke.texi (Invoking GCC): Document that the order of the
14451         -l option matters.
14452
14453 2007-05-23  Chen Liqin  <liqin@sunnorth.com.cn>
14454
14455         PR target/30987
14456         * config/score/misc.md (bitclr_c, bitset_c, bittgl_c): Remove.
14457         * config/score/predicate.md (const_pow2, const_npow2): Remove.
14458         * config/score/score.h (ASM_OUTPUT_EXTERNAL): Add ASM_OUTPUT_EXTERNAL
14459         undef.
14460
14461         PR target/30474
14462         * config/score/score.c (score_print_operand): Make sure that only
14463         lower bits are used.
14464
14465 2007-05-22  Ian Lance Taylor  <iant@google.com>
14466
14467         * tree-vrp.c (avoid_overflow_infinity): New static function,
14468         broken out of set_value_range_to_value.
14469         (set_value_range_to_value): Call avoid_overflow_infinity.
14470         (extract_range_from_assert): Likewise.
14471
14472 2007-05-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14473
14474         PR middle-end/31095
14475          * builtins.c (expand_builtin_memmove_args): Strip nops that don't
14476         change the type before looking for a COMPOUND_EXPR.
14477
14478 2007-05-22  Ian Lance Taylor  <iant@google.com>
14479
14480         * lower-subreg.c (decompose_multiword_subregs): If we change an
14481         insn, call remove_retval_note on it.
14482
14483 2007-05-22  Richard Sandiford  <rsandifo@nildram.co.uk>
14484
14485         * regs.h (end_hard_regno): New function.
14486         (END_HARD_REGNO, END_REGNO): New macros.
14487         (add_to_hard_reg_set): New function.
14488         (remove_from_hard_reg_set): Likewise.
14489         (in_hard_reg_set_p): Likewise.
14490         (overlaps_hard_reg_set_p): Likewise.
14491         * bt-load.c (find_btr_reference): Use overlaps_hard_reg_set_p.
14492         (note_btr_set): Use END_HARD_REGNO.
14493         * caller-save.c (setup_save_areas): Use end_hard_regno.
14494         (mark_set_regs): Use END_HARD_REGNO.
14495         (add_stored_regs): Use end_hard_regno.
14496         (mark_referenced_regs): Use add_to_hard_reg_set.
14497         * combine.c (update_table_tick): Use END_REGNO.
14498         (record_value_for_reg): Likewise.
14499         (record_dead_and_set_regs): Likewise.
14500         (get_last_value_validate): Likewise.
14501         (use_crosses_set_p): Likewise.
14502         (reg_dead_at_p_1): Likewise.
14503         (reg_dead_at_p): Likewise.
14504         (mark_used_regs_combine): Use add_to_hard_reg_set.
14505         (move_deaths): Use END_HARD_REGNO.
14506         (reg_bitfield_target_p): Use end_hard_regno.
14507         (distribute_notes): Use END_HARD_REGNO.
14508         * cse.c (mention_regs): Use END_REGNO.
14509         (insert): Use add_to_hard_reg_set.
14510         (invalidate): Use END_HARD_REGNO.
14511         (invalidate_for_call): Likewise.
14512         (exp_equiv_p): Use END_REGNO.
14513         (cse_insn): Likewise.
14514         * cselib.c (cselib_invalidate_regno): Use end_hard_regno.
14515         * df-problems.c (df_urec_mark_reg_change): Use END_HARD_REGNO.
14516         * df-scan.c (df_ref_record): Use END_HARD_REGNO.
14517         * function.c (keep_stack_depressed): Use end_hard_regno.
14518         * global.c (global_alloc): Use end_hard_regno.
14519         (global_conflicts): Use add_to_hard_reg_set instead of
14520         mark_reg_live_nc.
14521         (find_reg): Likewise.
14522         (mark_reg_store): Likewise.
14523         (mark_reg_conflicts): Likewise.
14524         (mark_reg_death): Use remove_from_hard_reg_set.
14525         (mark_reg_live_nc): Delete.
14526         (set_preference): Use end_hard_regno.
14527         * local-alloc.c (mark_life): Use add_to_hard_reg_set and
14528         remove_from_hard_reg_set.
14529         (post_mark_life): Use add_to_hard_reg_set.
14530         * mode-switching.c (reg_dies): Use remove_from_hard_reg_set.
14531         (reg_becomes_live): Use add_to_hard_reg_set.
14532         * recog.c (reg_fits_class_p): Use in_hard_reg_set_p.
14533         (peep2_find_free_register): Use add_to_hard_reg_set.
14534         * reg-stack.c (convert_regs_exit): Use END_HARD_REGNO.
14535         * regclass.c (record_reg_classes): Use in_hard_reg_set_p.
14536         * regrename.c (note_sets): Use add_to_hard_reg_set.
14537         (clear_dead_regs): Use remove_from_hard_reg_set.
14538         (regrename_optimize): Use add_to_hard_reg_set.
14539         (find_oldest_value_reg): Use in_hard_reg_set_p.
14540         * reload.c (push_reload): Use in_hard_reg_set_p and end_hard_regno.
14541         (hard_reg_set_here_p): Use end_hard_regno.
14542         (decompose): Likewise.
14543         (reg_overlap_mentioned_for_reload_p): Use END_HARD_REGNO.
14544         (find_equiv_reg): Use in_hard_reg_set_p and end_hard_regno.
14545         * reload1.c (compute_use_by_pseudos): Use add_to_hard_reg_set.
14546         (mark_home_live): Use end_hard_regno.
14547         (spill_hard_reg): Likewise.
14548         (clear_reload_reg_in_use): Likewise.
14549         * reorg.c (delete_prior_computation): Use END_REGNO.
14550         * resource.c (update_live_status): Use END_HARD_REGNO.
14551         (mark_referenced_resources): Use add_to_hard_reg_set.
14552         (mark_set_resources): Likewise.
14553         (mark_target_live_regs): Likewise.  Use remove_from_hard_reg_set.
14554         * rtlanal.c (refers_to_regno_p): Use END_REGNO.
14555         (reg_overlap_mentioned_p): Likewise.
14556         (dead_or_set_p): Likewise.  Use an exclusive upper loop bound.
14557         (covers_regno_no_parallel_p): Use END_REGNO.
14558         (find_regno_note): Likewise.
14559         (find_reg_fusage): Use END_HARD_REGNO.
14560         * stmt.c (decl_overlaps_hard_reg_set_p): Use overlaps_hard_reg_set_p.
14561         * var-tracking.c (emit_note_insn_var_location): Use end_hard_regno.
14562
14563 2007-05-22  Richard Sandiford  <rsandifo@nildram.co.uk>
14564
14565         * mode-switching.c (reg_dies): Change type of second argument to
14566         "HARD_REG_SET *".
14567         (optimize_mode_switching): Update accordingly.
14568
14569 2007-05-22  Richard Sandiford  <richard@codesourcery.com>
14570
14571         * hard-reg-set.h (GO_IF_HARD_REG_SUBSET, GO_IF_HARD_REG_EQUAL): Delete
14572         in favor of...
14573         (hard_reg_subset_p, hard_reg_sets_equal_p, hard_reg_sets_intersect_p)
14574         (hard_reg_set_empty_p): ...these new functions.
14575         * bt-load.c (choose_btr): Use hard_reg_subset_p instead of
14576         GO_IF_HARD_REG_SUBSET.
14577         * cfgcleanup.c (old_insns_match_p): Use hard_reg_sets_equal_p
14578         instead of GO_IF_HARD_REG_EQUAL.
14579         * df-problems.c (df_urec_local_compute): Use hard_reg_set_empty_p
14580         instead of GO_IF_HARD_REG_EQUAL.
14581         * global.c (find_reg): Use hard_reg_set_empty_p instead of
14582         GO_IF_HARD_REG_SUBSET.
14583         (modify_reg_pav): Use hard_reg_set_empty_p instead of
14584         GO_IF_HARD_REG_EQUAL.
14585         * local-alloc.c (find_free_reg): Use hard_reg_subset_p instead
14586         of GO_IF_HARD_REG_SUBSET.
14587         * reg-stack.c (change_stack, convert_regs_1): Use hard_reg_sets_equal_p
14588         instead of GO_IF_HARD_REG_EQUAL.
14589         * regclass.c (init_reg_sets_1, reg_scan_mark_refs): Use
14590         hard_reg_subset_p instead of GO_IF_HARD_REG_SUBSET.
14591         (reg_classes_intersect_p): Use hard_reg_sets_intersect_p instead
14592         of GO_IF_HARD_REG_SUBSET,
14593         * reload1.c (finish_spills): Use hard_reg_subset_p instead of
14594         GO_IF_HARD_REG_SUBSET.
14595         * struct-equiv.c (death_notes_match_p): Use hard_reg_sets_equal_p
14596         instead of GO_IF_HARD_REG_EQUAL.
14597         * config/sh/sh.c (push_regs, calc_live_regs): Use
14598         hard_reg_sets_intersect_p instead of hard_regs_intersect_p.
14599         (hard_regs_intersect_p): Delete.
14600
14601 2007-05-22  Janis Johnson  <janis187@us.ibm.com>
14602
14603         * doc/sourcebuild.texi (Test Directives) Add dg-message.
14604
14605 2007-05-22  H.J. Lu  <hongjiu.lu@intel.com>
14606             Richard Henderson  <rth@redhat.com>
14607
14608         * config.gcc (i[34567]86-*-*): Add smmintrin.h to
14609         extra_headers.
14610         (x86_64-*-*): Likewise.
14611
14612         * i386/i386-modes.def (V2QI): New.
14613
14614         * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 and
14615         SSE4A.
14616         (override_options): Support SSE4.1.
14617         (IX86_BUILTIN_BLENDPD): New for SSE4.1.
14618         (IX86_BUILTIN_BLENDPS): Likewise.
14619         (IX86_BUILTIN_BLENDVPD): Likewise.
14620         (IX86_BUILTIN_BLENDVPS): Likewise.
14621         (IX86_BUILTIN_PBLENDVB128): Likewise.
14622         (IX86_BUILTIN_PBLENDW128): Likewise.
14623         (IX86_BUILTIN_DPPD): Likewise.
14624         (IX86_BUILTIN_DPPS): Likewise.
14625         (IX86_BUILTIN_INSERTPS128): Likewise.
14626         (IX86_BUILTIN_MOVNTDQA): Likewise.
14627         (IX86_BUILTIN_MPSADBW128): Likewise.
14628         (IX86_BUILTIN_PACKUSDW128): Likewise.
14629         (IX86_BUILTIN_PCMPEQQ): Likewise.
14630         (IX86_BUILTIN_PHMINPOSUW128): Likewise.
14631         (IX86_BUILTIN_PMAXSB128): Likewise.
14632         (IX86_BUILTIN_PMAXSD128): Likewise.
14633         (IX86_BUILTIN_PMAXUD128): Likewise.
14634         (IX86_BUILTIN_PMAXUW128): Likewise.
14635         (IX86_BUILTIN_PMINSB128): Likewise.
14636         (IX86_BUILTIN_PMINSD128): Likewise.
14637         (IX86_BUILTIN_PMINUD128): Likewise.
14638         (IX86_BUILTIN_PMINUW128): Likewise.
14639         (IX86_BUILTIN_PMOVSXBW128): Likewise.
14640         (IX86_BUILTIN_PMOVSXBD128): Likewise.
14641         (IX86_BUILTIN_PMOVSXBQ128): Likewise.
14642         (IX86_BUILTIN_PMOVSXWD128): Likewise.
14643         (IX86_BUILTIN_PMOVSXWQ128): Likewise.
14644         (IX86_BUILTIN_PMOVSXDQ128): Likewise.
14645         (IX86_BUILTIN_PMOVZXBW128): Likewise.
14646         (IX86_BUILTIN_PMOVZXBD128): Likewise.
14647         (IX86_BUILTIN_PMOVZXBQ128): Likewise.
14648         (IX86_BUILTIN_PMOVZXWD128): Likewise.
14649         (IX86_BUILTIN_PMOVZXWQ128): Likewise.
14650         (IX86_BUILTIN_PMOVZXDQ128): Likewise.
14651         (IX86_BUILTIN_PMULDQ128): Likewise.
14652         (IX86_BUILTIN_PMULLD128): Likewise.
14653         (IX86_BUILTIN_ROUNDPD): Likewise.
14654         (IX86_BUILTIN_ROUNDPS): Likewise.
14655         (IX86_BUILTIN_ROUNDSD): Likewise.
14656         (IX86_BUILTIN_ROUNDSS): Likewise.
14657         (IX86_BUILTIN_PTESTZ): Likewise.
14658         (IX86_BUILTIN_PTESTC): Likewise.
14659         (IX86_BUILTIN_PTESTNZC): Likewise.
14660         (IX86_BUILTIN_VEC_EXT_V16QI): Likewise.
14661         (IX86_BUILTIN_VEC_SET_V2DI): Likewise.
14662         (IX86_BUILTIN_VEC_SET_V4SF): Likewise.
14663         (IX86_BUILTIN_VEC_SET_V4SI): Likewise.
14664         (IX86_BUILTIN_VEC_SET_V16QI): Likewise.
14665         (bdesc_ptest): New.
14666         (bdesc_sse_3arg): Likewise.
14667         (bdesc_2arg): Likewise.
14668         (bdesc_1arg): Likewise.
14669         (ix86_init_mmx_sse_builtins): Support SSE4.1.  Handle SSE builtins
14670         with 3 args.
14671         (ix86_expand_sse_4_operands_builtin): New.
14672         (ix86_expand_unop_builtin): Support 2 arg builtins with a constant
14673         smaller than 8 bits as the 2nd arg.
14674         (ix86_expand_sse_ptest): New.
14675         (ix86_expand_builtin): Support SSE4.1. Support 3 arg SSE builtins.
14676         (ix86_expand_vector_set): Support SSE4.1.
14677         (ix86_expand_vector_extract): Likewise.
14678
14679         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
14680         __SSE4_1__ for -msse4.1.
14681
14682         * config/i386/i386.md (UNSPEC_BLENDV): New for SSE4.1.
14683         (UNSPEC_INSERTPS): Likewise.
14684         (UNSPEC_DP): Likewise.
14685         (UNSPEC_MOVNTDQA): Likewise.
14686         (UNSPEC_MPSADBW): Likewise.
14687         (UNSPEC_PHMINPOSUW): Likewise.
14688         (UNSPEC_PTEST): Likewise.
14689         (UNSPEC_ROUNDP): Likewise.
14690         (UNSPEC_ROUNDS): Likewise.
14691
14692         * config/i386/i386.opt (msse4.1): New for SSE4.1.
14693
14694         * config/i386/predicates.md (const_pow2_1_to_2_operand): New.
14695         (const_pow2_1_to_32768_operand): Likewise.
14696
14697         * config/i386/smmintrin.h: New. The SSE4.1 intrinsic header
14698         file.
14699
14700         * config/i386/sse.md (*vec_setv4sf_sse4_1): New pattern for
14701         SSE4.1.
14702         (sse4_1_insertps): Likewise.
14703         (*sse4_1_extractps): Likewise.
14704         (sse4_1_ptest): Likewise.
14705         (sse4_1_mulv2siv2di3): Likewise.
14706         (*sse4_1_mulv4si3): Likewise.
14707         (*sse4_1_smax<mode>3): Likewise.
14708         (*sse4_1_umax<mode>3): Likewise.
14709         (*sse4_1_smin<mode>3): Likewise.
14710         (*sse4_1_umin<mode>3): Likewise.
14711         (sse4_1_eqv2di3): Likewise.
14712         (*sse4_1_pinsrb): Likewise.
14713         (*sse4_1_pinsrd): Likewise.
14714         (*sse4_1_pinsrq): Likewise.
14715         (*sse4_1_pextrb): Likewise.
14716         (*sse4_1_pextrb_memory): Likewise.
14717         (*sse4_1_pextrw_memory): Likewise.
14718         (*sse4_1_pextrq): Likewise.
14719         (sse4_1_blendpd): Likewise.
14720         (sse4_1_blendps): Likewise.
14721         (sse4_1_blendvpd): Likewise.
14722         (sse4_1_blendvps): Likewise.
14723         (sse4_1_dppd): Likewise.
14724         (sse4_1_dpps): Likewise.
14725         (sse4_1_movntdqa): Likewise.
14726         (sse4_1_mpsadbw): Likewise.
14727         (sse4_1_packusdw): Likewise.
14728         (sse4_1_pblendvb): Likewise.
14729         (sse4_1_pblendw): Likewise.
14730         (sse4_1_phminposuw): Likewise.
14731         (sse4_1_extendv8qiv8hi2): Likewise.
14732         (*sse4_1_extendv8qiv8hi2): Likewise.
14733         (sse4_1_extendv4qiv4si2): Likewise.
14734         (*sse4_1_extendv4qiv4si2): Likewise.
14735         (sse4_1_extendv2qiv2di2): Likewise.
14736         (*sse4_1_extendv2qiv2di2): Likewise.
14737         (sse4_1_extendv4hiv4si2): Likewise.
14738         (*sse4_1_extendv4hiv4si2): Likewise.
14739         (sse4_1_extendv2hiv2di2): Likewise.
14740         (*sse4_1_extendv2hiv2di2): Likewise.
14741         (sse4_1_extendv2siv2di2): Likewise.
14742         (*sse4_1_extendv2siv2di2): Likewise.
14743         (sse4_1_zero_extendv8qiv8hi2): Likewise.
14744         (*sse4_1_zero_extendv8qiv8hi2): Likewise.
14745         (sse4_1_zero_extendv4qiv4si2): Likewise.
14746         (*sse4_1_zero_extendv4qiv4si2): Likewise.
14747         (sse4_1_zero_extendv2qiv2di2): Likewise.
14748         (*sse4_1_zero_extendv2qiv2di2): Likewise.
14749         (sse4_1_zero_extendv4hiv4si2): Likewise.
14750         (*sse4_1_zero_extendv4hiv4si2): Likewise.
14751         (sse4_1_zero_extendv2hiv2di2): Likewise.
14752         (*sse4_1_zero_extendv2hiv2di2): Likewise.
14753         (sse4_1_zero_extendv2siv2di2): Likewise.
14754         (*sse4_1_zero_extendv2siv2di2): Likewise.
14755         (sse4_1_roundpd): Likewise.
14756         (sse4_1_roundps): Likewise.
14757         (sse4_1_roundsd): Likewise.
14758         (sse4_1_roundss): Likewise.
14759         (mulv4si3): Don't expand for SSE4.1.
14760         (smax<mode>3): Likewise.
14761         (umaxv4si3): Likewise.
14762         (uminv16qi3): Likewise.
14763         (umin<mode>3): Likewise.
14764         (umaxv8hi3): Rewrite.  Only enabled for SSE4.1.
14765
14766         * doc/extend.texi: Document SSE4.1 built-in functions.
14767
14768         * doc/invoke.texi: Document -msse4.1.
14769
14770 2007-05-22  Nathan Sidwell  <nathan@codesourcery.com>
14771
14772         * config/m68k/linux.h (ASM_SPEC): Add asm_pcrel_spec.
14773         * config/m68k/m68k-none.h (ASM_SPEC): Don't override here.
14774         * config/m68k/m68k.h (ASM_PCREL_SPEC): New.
14775         (ASM_SPEC): Add asm_pcrel_spec.
14776         (EXTRA_SPECS): Add asm_pcrel_spec.
14777
14778 2007-05-21  David Daney  <ddaney@avtrex.com>
14779
14780         * doc/install.texi (Building a cross compiler): Add requirements
14781         for Java cross compiler.
14782
14783 2007-05-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14784
14785         PR middle-end/31995
14786         * tree-chrec.c (evolution_function_is_affine_multivariate_p):
14787         Add loopno argument.  Use evolution_function_is_invariant_rec_p
14788         instead of evolution_function_is_constant_p.
14789         Update calls to evolution_function_is_affine_multivariate_p.
14790         * tree-chrec.h (evolution_function_is_affine_multivariate_p):
14791         Add loopno argument.
14792         * tree-scalar-evolution.c (gather_chrec_stats): Call
14793         evolution_function_is_affine_multivariate_p with a loop
14794         number of 0.
14795         * tree-data-ref.c (analyze_miv_subscript): Likewise.
14796         (analyze_overlapping_iterations): Likewise.
14797         (access_functions_are_affine_or_constant_p): Likewise.
14798         (build_classic_dist_vector_1): If the access functions
14799         are equal, don't do anything.
14800
14801 2007-05-21  Paolo Bonzini  <bonzini@gnu.org>
14802             Paolo Carlini  <pcarlini@suse.de>
14803             Uros Bizjak  <ubizjak@gmail.com>
14804
14805         * c-cppbuiltin.c (c_cpp_builtins): Define
14806         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2,
14807         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8,
14808         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16, if appropriate.
14809         * doc/cpp.texi ([Standard Predefined Macros]): Document.
14810
14811 2007-05-21  Mike Stump  <mrs@apple.com>
14812
14813         * config/darwin.h (LINK_COMMAND_SPEC): Add .cxx/.cp for dsymutil
14814         handling as well.
14815         * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
14816
14817 2007-05-21  Uros Bizjak  <ubizjak@gmail.com>
14818
14819         * config/i386/tmmintrin.h (_mm_alignr_epi8): Provide macro
14820         implementation if __OPTIMIZE__ is not defined.
14821         (_mm_alignr_pi8): Ditto.
14822         * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
14823         (_mm_inserti_si64): Ditto.
14824         * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
14825         (_mm_slli_epi16): Ditto.
14826         (_mm_slli_epi32): Ditto.
14827         (_mm_slli_epi64): Ditto.
14828         (_mm_srai_epi16): Ditto.
14829         (_mm_srai_epi32): Ditto.
14830         (_mm_srli_si128): Ditto.
14831         (_mm_slli_si128): Ditto.
14832         (_mm_srli_epi16): Ditto.
14833         (_mm_srli_epi32): Ditto.
14834         (_mm_srli_epi64): Ditto.
14835         (_mm_extract_epi16): Ditto.
14836         (_mm_insert_epi16): Ditto.
14837         (_mm_shufflehi_epi16): Ditto.
14838         (_mm_shufflelo_epi16): Ditto.
14839         (_mm_shuffle_epi32): Ditto.
14840         * config/i386/xmmintrin.h (_mm_extract_pi16): Ditto.
14841         (_m_pextrw): Ditto.
14842         (_mm_insert_pi16): Ditto.
14843         (_m_pinsrw): Ditto.
14844         (_mm_shuffle_pi16): Ditto.
14845         (_m_pshufw): Ditto.
14846         (_mm_shufle_ps): Ditto.
14847         (_mm_prefetch): Ditto.
14848
14849 2007-05-21  Andreas Krebbel  <krebbel1@de.ibm.com>
14850
14851         * defaults.h (IBM_FLOAT_FORMAT): Macro definition removed.
14852         * doc/tm.texi (IBM_FLOAT_FORMAT): Documentation entry removed.
14853         * real.c (encode_i370_single, decode_i370_single,
14854         encode_i370_double, decode_i370_double): Functions removed.
14855         (i370_single_format, i370_double_format): Initializations removed.
14856         (real_maxval, round_for_format, exact_real_truncate, significand_size):
14857         Consider the log2_b field to always be one.
14858         (ieee_single_format, mips_single_format, coldfire_single_format,
14859         ieee_double_format, mips_double_format, coldfire_double_format,
14860         ieee_extended_motorola_format, ieee_extended_intel_96_format,
14861         ieee_extended_intel_128_format, ieee_extended_intel_96_round_53_format,
14862         ibm_extended_format, mips_extended_format, ieee_quad_format,
14863         mips_quad_format, vax_f_format, vax_d_format, vax_g_format,
14864         decimal_single_format, decimal_double_format, decimal_quad_format,
14865         c4x_single_format, c4x_extended_format, real_internal_format): Remove
14866         initialization of log2_b.
14867         * real.h (i370_single_format, i370_double_format): Declarations
14868         removed.
14869         * c-cppbuiltin.c (builtin_define_float_constants): Consider the log2_b
14870         field to always be one.
14871
14872 2007-05-21  Andreas Schwab  <schwab@suse.de>
14873
14874         * config/ia64/ia64.c (emit_predicate_relation_info): Fix use of
14875         NOTE_INSN_BASIC_BLOCK_P.
14876         (process_for_unwind_directive): Likewise.
14877
14878 2007-05-21  Nathan Sidwell  <nathan@codesourcery.com>
14879
14880         * builtins.c (expand_builtin_setjmp_setup): Update comment.
14881         * function.h (struct function): Move va_list_gpr_size,
14882         va_list_fpr_size, function_frequency to front of bitfields.  Add
14883         calls_unwind_init.
14884         (current_function_calls_unwind_init): New.
14885         * except.c (expand_builtin_unwind_init): Set
14886         current_function_calls_unwind_init not
14887         current_function_has_nonlocal_label.
14888         * reload1.c (has_nonexceptional_receiver): New.
14889         (reload): Use it and current_function_calls_unwind_init to
14890         determine whether call-saved regs must be saved.
14891
14892 2007-05-20  Jan Hubicka  <jh@suse.cz>
14893
14894         * gengtype.c (adjust_field_rtx_def): Use NOTE_KIND instead of
14895         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
14896         * ddg.c (create_ddg): LIkewise.
14897         * final.c (final): Remove hunk moving line number notes around since
14898         they are no longer present at this stage.
14899         (final_scan_insn): Use NOTE_KIND instead of
14900         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
14901         (output_asm_label): Likewise.
14902         * reorg.c (dbr_schedule): Likewise.
14903         * haifa-sched.c (unlink_other_notes): Likewise.
14904         * mode-switching.c (optimize_mode_switching): Likewise.
14905         * graph.c (start_bb): Likewise.
14906         * rtl.def (NOTE): Update description.
14907         * jump.c (squeeze_notes): Delete.
14908         (mark_jump_label): Use NOTE_KIND instead of NOTE_LINE_NUMBER; use
14909         NOTE_INSN_BASIC_BLOCK_P when possible.
14910         * ifcvt.c (dead_or_predicable): Remove call of squeeze_notes.
14911         * dwarf2out.c (gen_label_die): Use NOTE_KIND instead of
14912         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
14913         (dwarf2out_var_location): Likewise.
14914         * cfgbuild.c (make_edges): Likewise.
14915         (find_basic_blocks_1): Likewise.
14916         * function.c (reorder_blocks_1): Likewise.
14917         (epilogue_done): Likewise.
14918         (reposition_prologue_and_epilogue_notes): Likewise.
14919         * print-rtl.c (print_rtx): Likewise; drop code for printing
14920         line number notes.
14921         (print_rtl): Likewise.
14922         (print_rtl_single): Likewise.
14923         * gcse.c (insert_insn_start_bb): Likewise.
14924         * alias.c (init_alias_analysis): Likewise.
14925         * calls.c (fixup_tail_calls): Likewise.
14926         * except.c (sjlj_emit_function_enter): Likewise.
14927         * emit-rtl.c (add_insn_after): Likeiwse.
14928         (emit_label_before): Likewise.
14929         (emit_label_after): Likewise.
14930         (emit_note_before, emit_note_after, emit_note): Update
14931         parameter to be enum insn_note; do not deal with source
14932         files.
14933         * cfgcleanup.c (merge_blocks_move_predecessor_nojumps):
14934         Use NOTE_KIND instead of NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P
14935         when possible.
14936         (merge_blocks_move_successor_nojumps): Simplify now when
14937         we don't have BLOCK notes.
14938         (try_optimize_cfg): Likewise.
14939         * cfglayout.c (skip_insns_after_block): Likewise.
14940         (record_effective_endpoints): Likewise.
14941         (duplicate_insn_chain): Likewise.
14942         * varasm.c (output_constant_pool_1): Likewise.
14943         * sched-deps.c (sched_analyze): Likewise.
14944         * rtl.c (NOTE_INSN_MAX_isnt_negative_adjust_NOTE_INSN_BIAS):
14945         Exterminate.
14946         (note_insn_name): Simplify now when NOTE_INSN_BIAS is gone.
14947         * rtl.h (NOTE_SOURCE_LOCATION, NOTE_EXPANDED_LOCATION): Exterminate.
14948         (SET_INSN_DELETED): Simplify.
14949         (NOTE_LINE_NUMBER): Exterminate.
14950         (NOTE_LINE_KIND): New.
14951         (NOTE_INSN_BASIC_BLOCK_P): Update.
14952         (enum insn_note): Simplify.
14953         (GET_NOTE_INSN_NAME) Simplify.
14954         (emit_note_before, emit_note_after, emit_note): Update prototype.
14955         (squeeze_notes): Remove.
14956         * sched-int.h (NOTE_NOT_BB_P): Update.
14957         * resource.c (mark_target_live_regs): Update.
14958         * sched-rgn.c (debug_dependencies): Update.
14959         * sched-vis.c (print_insn): Update.
14960         * config/alpha/alpha.c (alpha_handle_trap_shadows): Update.
14961         * config/i386/i386.c (ix86_output_function_epilogue): Update.
14962         * config/sh/sh.c (sh_adjust_unroll_max): Function dead since gcc 4.0.0.
14963         (TARGET_ADJUST_UNROLL_MAX): Likewise.
14964         (split_branches): Update.
14965         (sh_optimize_target_register_callee_saved): Remove hunk dead since gcc
14966         4.0.0.
14967         (sh_adjust_unroll_max): Exterminate.
14968         * config/c4x/c4x.c (c4x_reorg): Use SET_INSN_DELETED.
14969         * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Likewise.
14970         (m68hc11_reorg): Likewise.
14971         * config/ia64/ia64.c (emit_insn_group_barriers): Update.
14972         (emit_predicate_relation_info): Update.
14973         (process_for_unwind_directive): Update.
14974         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update.
14975         (output_call): Update.
14976         * config/pa/pa.c (output_lbranch): Update.
14977         (output_millicode_call): Update.
14978         (output_call): Update.
14979         (pa_combine_instructions): Update.
14980         * config/mips/mips.c (mips16_gp_pseudo_reg): Update.
14981         * config/bfin/bfin.c (gen_one_bundle): Update.
14982         * cfgrtl.c (can_delete_note_p): Update.
14983         (delete_insn): Update.
14984         (rtl_merge_blocks): Update.
14985         (commit_one_edge_insertion): Update.
14986         (rtl_verify_flow_info): Update.
14987         * stmt.c (expand_case): Do not call squeeze_notes.
14988
14989 2007-05-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
14990
14991         PR middle-end/7651
14992         PR c++/11856
14993         PR c/12963
14994         PR c/23587
14995         PR other/29694
14996         * c.opt (Wtype-limits): New.
14997         * doc/invoke.texi (Wtype-limits): Document it.
14998         (Wextra): Enabled by -Wextra.
14999         * c-opts.c (c_common_post_options): Enabled by -Wextra.
15000         * c-common.c (shorten_compare): Warn with Wtype-limits.
15001
15002 2007-05-20  Uros Bizjak  <ubizjak@gmail.com>
15003
15004         * config/i386/tmmintrin.h (_mm_alignr_epi32): Implement as always
15005         inlined function, not as a macro.
15006         (_mm_alignr_pi8): Ditto.
15007         * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
15008         (_mm_inserti_si64): Ditto.
15009         * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
15010         (_mm_extract_epi16): Ditto.
15011         (_mm_insert_epi16): Ditto.
15012         (_mm_shufflehi_epi16): Ditto.
15013         (_mm_shufflelo_epi16): Ditto.
15014         (_mm_shuffle_epi32): Ditto.
15015         * config/i386/xmmintrin.h (_mm_set_ss): Use 0.0f for float constant.
15016         * config/386/mm3dnow.h: Add __attribute__((__always_inline__)) to
15017         all functions.
15018         (_m_from_float): Add __extension__ to conversion.  Use 0.0f for
15019         float constant.
15020         (_m_to_float): Use C89 compatible assignment.
15021
15022 2007-05-20  Martin Michlmayr  <tbm@cyrius.com>
15023
15024         PR target/32007
15025         * config/arm/lib1funcs.asm: Define __ARM_ARCH__ on v2/v3 machines.
15026
15027 2007-05-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
15028
15029         PR middle-end/7651
15030         * doc/invoke.texi (Wreturn-type): Complete description.
15031         (Wextra): Delete item about return-type warning.
15032         * c-decl.c: Delete redundant Wextra warning.
15033
15034 2007-05-20  Uros Bizjak  <ubizjak@gmail.com>
15035
15036         PR target/31585
15037         * config/i386/pmmintrin.h: Do not include xmmintrin.h
15038         * config/i386/xmmintrin.h (_mm_extract_pi16): Implement as always
15039         inlined function, not as a macro.
15040         (_mm_prefetch): Ditto.
15041         (_m_pextrw): Ditto.
15042         (_mm_insert_pi16): Ditto.
15043         (_m_pinsrw): Ditto.
15044         (_mm_shuffle_pi16): Ditto.  Add const to __N argument.
15045         (_m_pshufw): Ditto. Add const to __N argument.
15046         (_mm_shufle_ps): Ditto.  Add const to __mask argument.
15047         * config/i386/emmintrin.h (_mm_slli_epi16): Add const to __B argument.
15048         (_mm_slli_epi32): Ditto.
15049         (_mm_srli_si128): Implement as always inlined function, not as a
15050         macro.  Add __inline to function declaration.
15051         (_mm_slli_si128): Ditto.
15052
15053 2007-05-19  Uros Bizjak  <ubizjak@gmail.com>
15054
15055         * config/i386/sfp-machine.h (FP_EX_INVALID, FP_EX_DENORM,
15056         FP_EXP_DIVZERO, FP_EX_OVERFLOW, FP_EX_UNDERFLOW, FP_EX_INEXACT):
15057         New constants.
15058         (struct fenv): New structure.
15059         (FP_HANDLE_EXCEPTIONS): New define.
15060         (FP_RND_NEAREST, FP_RND_ZERO, FP_RND_PINF, FP_RND_MINF): New constants.
15061         (_FP_DECL_EXP): New define.
15062         (FP_INIT_ROUNDMODE): New define.
15063         (FP_ROUNDMODE): New define.
15064
15065 2007-05-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
15066
15067         * doc/invoke.texi (Warning Options): Add -Wconversion-sign.
15068         (Wconversion): Update description.
15069         (Wconversion-sign): New.
15070         * c.opt (Wconversion-sign): New.
15071         * c-opts.c (c_common_post_options): Uninitialized Wconversion-sign
15072         means disabled for C++. Otherwise, take the status of Wconversion.
15073         * c-common.c (conversion_warning): Warn with either Wconversion or
15074         Wconversion-sign.
15075         (warnings_for_convert_and_check): Conditions are already checked by
15076         conversion_warning.
15077         (convert_and_check): Don't check warnings if the conversion failed.
15078
15079 2007-05-19 Andy Hutchinson <HutchinsonAndy@netscape.net>
15080            Anatoly Sokolov <aesok@dol.ru>
15081
15082         * config/avr/avr-protos.h (expand_prologue, expand_epilogue,
15083         avr_epilogue_uses) : Add declaration.
15084         * config/avr/predicates.md (avr_sp_immediate_operand): New predicate.
15085         * config/avr/constraints.md (R): New constraint.
15086         config/avr/avr.md (SREG_ADDR, UNSPEC_SEI, UNSPEC_CLI,
15087         UNSPECV_PROLOGUE_SAVES, UNSPECV_EPILOGUE_RESTORES): New constants.
15088         (*pop1, *pop2, *pop3, *pop4, *pop5): Combine into ...
15089         (*addhi3_sp_R_pc2, *addhi3_sp_R_pc3): ... these patterns.
15090         (*movhi_sp, popqi, pophi, enable_interrupt, disable_interrupt,
15091         call_prologue_saves, epilogue_restores, return_from_epilogue,
15092         return_from_main_epilogue, return_from_interrupt_epilogue,
15093         return_from_naked_epilogue, prologue, epilogue): New patterns.
15094         (jump): Handle symbol reference.
15095         * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr,
15096         avr_output_function_prologue, avr_output_function_epilogue): Remove
15097         functions.
15098         (avr_init_machine_status, expand_prologue, expand_epilogue,
15099         avr_asm_function_end_prologue, avr_epilogue_uses,
15100         avr_asm_function_begin_epilogue): New functions.
15101         (prologue_size, epilogue_size, jump_tables_size): Remove global
15102         variables.
15103         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Remove.
15104         (TARGET_ASM_FUNCTION_END_PROLOGUE): Define.
15105         (TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): Define.
15106         (avr_override_options): Initialise init_machine_status.
15107         (output_movhi): Handle all stack pointer loads.
15108         (out_movqi_r_mr, out_movqi_mr_r): Handle SREG_ADDR address.
15109         (avr_output_addr_vec_elt): Do not use variable jump_tables_size.
15110         * config/avr/avr.h (AVR_2_BYTE_PC, AVR_3_BYTE_PC): New.
15111         (EPILOGUE_USES) Redefine.
15112         (machine_function) Declare.
15113
15114 2007-05-19  Richard Sandiford  <richard@codesourcery.com>
15115
15116         * config/mips/mips.c (mips_offset_within_alignment_p): Tweak comment.
15117         Use a single return statement.
15118
15119 2007-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15120
15121         PR middle-end/30250
15122         * builtins.c (do_mpfr_lgamma_r): New.
15123         (fold_builtin_2): Handle builtin gamma_r/lgamma_r.
15124         * tree.h (CASE_FLT_FN_REENT): New.
15125
15126 2007-05-18  Geoffrey Keating  <geoffk@apple.com>
15127
15128         * dwarf2out.c (print_die): Use '%ld' not '%lu' to print a 'long'.
15129         (output_die): Use 'unsigned long' with %x.
15130         * sched-vis.c (print_value): Use 'unsigned HOST_WIDE_INT' and
15131         HOST_WIDE_INT_PRINT_HEX to print HOST_WIDE_INT.
15132         * tree-dump.c (dump_pointer): Use 'unsigned long' for %lx.
15133
15134         * unwind-dw2.c (uw_identify_context): Use the CFA, not the IP.
15135
15136 2007-05-18  H.J. Lu  <hongjiu.lu@intel.com>
15137
15138         PR target/31989
15139         PR target/31681
15140         PR target/31666
15141         * config/i386/i386.c (init_cumulative_args): Set maybe_vaarg to
15142         true if function has no argument.
15143
15144 2007-05-18  DJ Delorie  <dj@redhat.com>
15145
15146         * config/mips/mips.c (mips_offset_within_alignment_p): New.
15147         (mips_symbolic_constant_p): Call it for TPREL and DTPREL symbols.
15148
15149 2007-05-18  Uros Bizjak  <ubizjak@gmail.com>
15150
15151         * longlong.h (__x86_64__): Add definitions for add_ssaaaa,
15152         sub_ddmmss, umul_ppmm, udiv_qrnnd, count_leading_zeros and
15153         count_trailing_zeros.
15154         (__i386__): Implement count_leading_zeros using __builtin_clz().
15155         Implement count_trailing_zeros usign __builtin_ctz().
15156
15157 2007-05-18  Richard Sandiford  <richard@codesourcery.com>
15158
15159         * config/i386/vxworks.h (ASM_PREFERRED_EH_DATA_FORMAT): Undefine.
15160
15161 2007-05-18  Uros Bizjak  <ubizjak@gmail.com>
15162
15163         PR middle-end/31344
15164         * expr.c (emit_move_change_mode): Change mode of push operands here.
15165
15166 2007-05-17  Ian Lance Taylor  <iant@google.com>
15167
15168         PR tree-optimization/31953
15169         * tree-vrp.c (set_value_range_to_value): Add equiv parameter.
15170         Change all callers.
15171         (set_value_range_to_null): Call set_value_range_to_value.
15172         (extract_range_from_comparison): Likewise.
15173
15174 2007-05-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15175
15176         * toplev.c (print_version): Output GMP/MPFR version info.
15177
15178         * builtins.c (CASE_MATHFN_REENT): New macro.
15179         (mathfn_built_in): Use it.
15180         * builtins.def (BUILT_IN_GAMMA_R, BUILT_IN_GAMMAF_R,
15181         BUILT_IN_GAMMAL_R, BUILT_IN_LGAMMA_R, BUILT_IN_LGAMMAF_R,
15182         BUILT_IN_LGAMMAL_R): New.
15183         * doc/extend.texi: Document new builtins.
15184
15185         PR middle-end/31796
15186         * builtins.c (do_mpfr_remquo): New.
15187         (fold_builtin_2): Handle BUILT_IN_DREM/BUILT_IN_REMAINDER.
15188         (fold_builtin_3): Handle BUILT_IN_REMQUO.
15189
15190         PR middle-end/30251
15191         * builtins.c (fold_builtin_1): Handle y0, y1.
15192         (fold_builtin_2): Handle yn.
15193
15194         PR middle-end/30251
15195         * builtins.c (do_mpfr_bessel_n): New.
15196         (fold_builtin_1): Handle BUILT_IN_J0 and BUILT_IN_J1.
15197         (fold_builtin_2): Handle BUILT_IN_JN.
15198
15199 2007-05-17  Danny Smith  <dannysmith@users.sourceforge.net>
15200
15201         PR target/31965
15202         * config/i386/mingw32.h (_INTEGRAL_MAX_BITS): Define builtin as
15203         TYPE_PRECISION (intmax_type_node).
15204
15205 2007-05-17  Steve Ellcey  <sje@cup.hp.com>
15206
15207         PR target/31850
15208         * reload.c (subst_reloads): Remove checking.
15209
15210 2007-05-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
15211
15212         PR rtl-optimization/31691
15213         * combine.c (simplify_set): Build a new src pattern instead of
15214         substituting its operands in the COMPARE case.
15215
15216 2007-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
15217
15218         * tree-vrp.c (finalize_jump_threads): Do not care about dominance info.
15219         (execute_vrp): Preserve loops through jump threading.
15220         * tree-ssa-threadupdate.c (thread_single_edge,
15221         dbds_continue_enumeration_p, determine_bb_domination_status,
15222         thread_through_loop_header): New functions.
15223         (create_edge_and_update_destination_phis,
15224         create_edge_and_update_destination_phis): Set loops for the new blocks.
15225         (prune_undesirable_thread_requests): Removed.
15226         (redirect_edges): Do not pretend that redirect_edge_and_branch can
15227         create new blocks.
15228         (thread_block): Do not call prune_undesirable_thread_requests.
15229         Update loops.
15230         (mark_threaded_blocks): Select edges to thread here.
15231         (thread_through_all_blocks): Take may_peel_loop_headers argument.
15232         Thread edges through loop headers independently.
15233         * cfgloopmanip.c (create_preheader, mfb_keep_just): Export.
15234         * tree-pass.h (TODO_mark_first_instance): New.
15235         (first_pass_instance): Declare.
15236         * cfghooks.c (duplicate_block): Put the block to the original loop
15237         if copy is not specified.
15238         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Preserve loops through
15239         jump threading.  Pass may_peel_loop_headers to
15240         thread_through_all_blocks according to first_pass_instance.
15241         * cfgloop.h (create_preheader): Declare.
15242         * tree-flow.h (thread_through_all_blocks): Declaration changed.
15243         * basic-block.h (mfb_keep_just, mfb_kj_edge): Declare.
15244         * passes.c (first_pass_instance): New variable.
15245         (next_pass_1): Set TODO_mark_first_instance.
15246         (execute_todo): Set first_pass_instance.
15247
15248 2007-05-17  Uros Bizjak  <ubizjak@gmail.com>
15249
15250         PR tree-optimization/24659
15251         * optabs.h (enum optab_index): Add OTI_vec_unpacks_float_hi,
15252         OTI_vec_unpacks_float_lo, OTI_vec_unpacku_float_hi,
15253         OTI_vec_unpacku_float_lo, OTI_vec_pack_sfix_trunc and
15254         OTI_vec_pack_ufix_trunc.
15255         (vec_unpacks_float_hi_optab): Define new macro.
15256         (vec_unpacks_float_lo_optab): Ditto.
15257         (vec_unpacku_float_hi_optab): Ditto.
15258         (vec_unpacku_float_lo_optab): Ditto.
15259         (vec_pack_sfix_trunc_optab): Ditto.
15260         (vec_pack_ufix_trunc_optab): Ditto.
15261         * genopinit.c (optabs): Implement vec_unpack[s|u]_[hi|lo]_optab
15262         and vec_pack_[s|u]fix_trunc_optab using
15263         vec_unpack[s|u]_[hi\lo]_* and vec_pack_[u|s]fix_trunc_* patterns
15264         * tree-vectorizer.c (supportable_widening_operation): Handle
15265         FLOAT_EXPR and CONVERT_EXPR.  Update comment.
15266         (supportable_narrowing_operation): New function.
15267         * tree-vectorizer.h (supportable_narrowing_operation): Prototype.
15268         * tree-vect-transform.c (vectorizable_conversion): Handle
15269         (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
15270         (vect_gen_widened_results_half): Move before vectorizable_conversion.
15271         (vectorizable_type_demotion): Call supportable_narrowing_operation()
15272         to check for target support.
15273         * optabs.c (optab_for_tree_code) Return vec_unpack[s|u]_float_hi_optab
15274         for VEC_UNPACK_FLOAT_HI_EXPR, vec_unpack[s|u]_float_lo_optab
15275         for VEC_UNPACK_FLOAT_LO_EXPR and vec_pack_[u|s]fix_trunc_optab
15276         for VEC_PACK_FIX_TRUNC_EXPR.
15277         (expand_binop): Special case mode of the result for
15278         vec_pack_[u|s]fix_trunc_optab.
15279         (init_optabs): Initialize vec_unpack[s|u]_[hi|lo]_optab and
15280         vec_pack_[u|s]fix_trunc_optab.
15281
15282         * tree.def (VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR,
15283         VEC_PACK_FIX_TRUNC_EXPR): New tree codes.
15284         * tree-pretty-print.c (dump_generic_node): Handle
15285         VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and
15286         VEC_PACK_FIX_TRUNC_EXPR.
15287         (op_prio): Ditto.
15288         * expr.c (expand_expr_real_1): Ditto.
15289         * tree-inline.c (estimate_num_insns_1): Ditto.
15290         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
15291
15292         * config/i386/sse.md (vec_unpacks_float_hi_v8hi): New expander.
15293         (vec_unpacks_float_lo_v8hi): Ditto.
15294         (vec_unpacku_float_hi_v8hi): Ditto.
15295         (vec_unpacku_float_lo_v8hi): Ditto.
15296         (vec_unpacks_float_hi_v4si): Ditto.
15297         (vec_unpacks_float_lo_v4si): Ditto.
15298         (vec_pack_sfix_trunc_v2df): Ditto.
15299
15300         * doc/c-tree.texi (Expression trees) [VEC_UNPACK_FLOAT_HI_EXPR]:
15301         Document.
15302         [VEC_UNPACK_FLOAT_LO_EXPR]: Ditto.
15303         [VEC_PACK_FIX_TRUNC_EXPR]: Ditto.
15304         * doc/md.texi (Standard Names) [vec_pack_sfix_trunc]: Document.
15305         [vec_pack_ufix_trunc]: Ditto.
15306         [vec_unpacks_float_hi]: Ditto.
15307         [vec_unpacks_float_lo]: Ditto.
15308         [vec_unpacku_float_hi]: Ditto.
15309         [vec_unpacku_float_lo]: Ditto.
15310
15311 2007-05-16  Uros Bizjak  <ubizjak@gmail.com>
15312
15313         * soft-fp/README: Update for new files.
15314         * soft-fp/floattisf.c: New file.
15315         * soft-fp/floattidf.c: New file.
15316         * soft-fp/floattitf.c: New file.
15317         * soft-fp/floatuntisf.c: New file.
15318         * soft-fp/floatuntidf.c: New file.
15319         * soft-fp/floatuntitf.c: New file.
15320         * soft-fp/fixsfti.c: New file.
15321         * soft-fp/fixdfti.c: New file.
15322         * soft-fp/fixtfti.c: New file.
15323         * soft-fp/fixunssfti.c: New file.
15324         * soft-fp/fixunsdfti.c: New file.
15325         * soft-fp/fixunstfti.c: New file.
15326         * soft-fp/extendxftf.c: New file.
15327         * soft-fp/trunctfxf.c: New file.
15328
15329         * libgcc-std.ver (__extendxftf2): Added to GCC_4.3.0 section.
15330         (__trunctfxf2): Ditto.
15331
15332         * config/i386/libgcc-x86_64-glibc.ver (__addtf3, __divtf3, __eqtf2,
15333         __extenddftf2, __extendsftf2, __fixtfdi, __fixtfsi, __fixtfti,
15334         __fixunstfdi, __fixunstfsi, __fixunstfti, __floatditf, __floatsitf,
15335         __floattitf, __floatunditf, __floatunsitf, __floatuntitf, __getf2,
15336         __letf2, __multf3, __negtf2, __subtf3, __trunctfdf2, __trunctfsf2,
15337         __unordtf2): Exclude and add to GCC_4.3.0 section for x86_64 targets.
15338
15339         * config/i386/t-fprules-softfp64: New file.
15340         * config/i386/sfp-machine.h: New file.
15341         * config.gcc (x86_64-*-linux*, x86_64-*-kfreebsd*-gnu,
15342         x86_64-*-knetbsd*-gnu): Add i386/t-fprules-softfp64
15343         and soft-fp/t-softfp to tmake_file.
15344         (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu,
15345         i[34567]86-*-knetbsd*-gnu): Ditto for --enable-targets=all.
15346
15347         * config/i386/t-linux64 (softfp_wrap_start): New.
15348         (softfp_wrap_end): New.
15349         * config/i386/i386.c (ix86_scalar_mode_supported): TFmode is
15350         supported for TARGET_64BIT.
15351
15352 2007-05-16  Rafael Avila de Espindola  <espindola@google.com>
15353
15354         * c-common.c (c_common_signed_or_unsigned_type): Emulate
15355         c_common_unsigned_type behavior.
15356
15357 2007-05-16  Paolo Bonzini  <bonzini@gnu.org>
15358
15359         * config/i386/i386.c (legitimize_tls_address): Mark __tls_get_addr
15360         calls as pure.
15361
15362 2007-05-16  Eric Christopher  <echristo@apple.com>
15363
15364         * config/rs6000/rs6000.c (rs6000_emit_prologue): Move altivec register
15365         saving after stack push. Set sp_offset whenever we push.
15366         (rs6000_emit_epilogue): Move altivec register restore before
15367         stack push.
15368
15369 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
15370
15371         * configure.ac: Allow sysroots to be relocated under $prefix as
15372         well as $exec_prefix.
15373         * configure: Regenerate.
15374
15375 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
15376
15377         Revert:
15378
15379         2007-05-12  Richard Sandiford  <richard@codesourcery.com>
15380
15381         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
15382         (gcc_tooldir): Likewise.
15383         * configure: Regenerate.
15384         * Makefile.in (libsubdir_to_prefix): New variable, based on the
15385         old configure.ac gcc_tooldir setting.
15386         (prefix_to_exec_prefix): New variable.
15387         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
15388         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
15389
15390 2007-05-14  Janis Johnson  <janis187@us.ibm.com>
15391
15392         * c-typeck.c (build_binary_op): Return early for error.
15393
15394 2007-05-15  Zdenek Dvorak  <dvorakz@suse.cz>
15395
15396         * tree-ssa-loop-niter.c (record_estimate): Use GGC_NEW to allocate
15397         struct nb_iter_bound.
15398         (free_numbers_of_iterations_estimates_loop): Use ggc_free.
15399         * gengtype.c (open_base_files): Add cfhloop.h to the list of includes.
15400         * cfgloopmanip.c (place_new_loop): Vector larray is gc-allocated.
15401         * tree-scalar-evolution.c: Include gt-tree-scalar-evolution.h.
15402         (struct scev_info_str, scalar_evolution_info): Add GTY markers.
15403         (new_scev_info_str): Use GGC_NEW to allocate struct scev_info_str.
15404         (del_scev_info): Use ggc_free.
15405         (scev_initialize): Allocate scalar_evolution_info in gc memory.
15406         * loop-init.c: Include ggc.h.
15407         (loop_optimizer_init): Use GGC_CNEW to allocate struct loops.
15408         (loop_optimizer_finalize): Use ggc_free.
15409         * tree-ssa-loop.c (pass_tree_unswitch, pass_vectorize,
15410         pass_linear_transfom, pass_empty_loop, pass_complete_unroll,
15411         pass_iv_optimize): Add TODO_ggc_collect.
15412         * function.h (struct function): Remove skip marker from
15413         x_current_loops.
15414         * cfgloop.c: Include ggc.h.
15415         (flow_loops_free, flow_loop_free): Free the loop descriptions in gc
15416         memory.
15417         (establish_preds): Vector superloops is gc allocated.
15418         (alloc_loop): Allocate loop using GGC_CNEW.  Allocate head of
15419         loop->exits list.
15420         (flow_loops_find): Vector larray is gc allocated.
15421         (loop_exit_free): Use ggc_free.
15422         (rescan_loop_exit): Use GGC_NEW to allocate struct loop_exit.  Reflect
15423         that head of exits list is now not a part of struct loop.
15424         (record_loop_exits): Allocate exits table in gc memory.
15425         (get_loop_exit_edges, verify_loop_structure, single_exit): Reflect
15426         that head of exits list is now not a part of struct loop.
15427         * cfgloop.h (struct lpt_decision, struct nb_iter_bound,
15428         struct loop_exit): Add GTY marker.
15429         (struct loop): Add GTY marker.  Make superloops vector gc allocated.
15430         Add skip marker to aux field.  Make head of exits list a separate
15431         object.
15432         (struct loops): Add GTY marker.  Make larray vector gc allocated.
15433         Add param marker to exits table.
15434         (get_loops): Type changed.
15435         * Makefile.in (tree-scalar-evolution.o): Add
15436         gt-tree-scalar-evolution.h dependency.
15437         (cfgloop.o, loop-init.o): Add ggc.h dependency.
15438         (GTFILES): Add cfgloop.h and tree-scalar-evolution.c.
15439         * basic-block.h (struct basic_block_def): Remove skip marker from
15440         loop_father field.
15441
15442 2007-05-14  Uros Bizjak  <ubizjak@gmail.com>
15443
15444         * builtins.c (expand_builtin_mathfn): Use EXPAND_NORMAL instead
15445         of 0 in the call to expand_expr().
15446         (expand_builtin_mathfn_3): Ditto.
15447         (expand_builtin_interclass_mathfn): Ditto.
15448         (expand_builtin_cexpi): Ditto.
15449         (expand_builtin_int_roundingfn): Ditto.
15450         (expand_builtin_int_roundingfn_2): Ditto.
15451         (expand_builtin_pow): Ditto.
15452         (expand_builtin_powi): Ditto.
15453         (expand_builtin_bswap): Ditto.
15454         (expand_builtin_unop): Ditto.
15455         (expand_builtin_fabs): Ditto.
15456         (get_builtin_sync_mem): Use NULL_RTX instead of NULL in
15457         the call to expand_expr().
15458         (expand_builtin_sync_operation): Ditto.
15459         (expand_builtin_compare_and_swap): Ditto.
15460         (expand_builtin_lock_test_and_set): Ditto.
15461         * except.c (expand_builtin_eh_return_data_regno): Use EXPAND_NORMAL
15462         instead of 0 in the call to expand_expr().
15463         (expand_builtin_extract_return_addr): Ditto.
15464         (expand_builtin_eh_return): Ditto.
15465         (expand_eh_return): Ditto.
15466         * explow.c (expr_size): Ditto.
15467         * expr.c (optimize_bitfield_assignment_op): Ditto.
15468         (expand_assignement): Ditto.
15469         (store_expr): Ditto.
15470         (store_field): Ditto.
15471         (expand_expr_addr_expr_1): Use NULL_RTX instead of NULL in
15472         the call to expand_expr().
15473         (expand_expr_real_1) [COMPLEX_CST]: Use EXPAND_NORMAL instead of 0
15474         in the call to expand_expr().
15475         [CONSTRUCTOR, PLUS_EXPR, MINUS_EXPR, NEGATE_EXPR, ABS_EXPR,
15476         BIT_NOT_EXPR, LSHIFT_EXPR, LT_EXPR, TRUTH_NOT_EXPR]: Ditto.
15477         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO]: Use expand_normal() instead
15478         of expand_expr().
15479         * optabs.c (expand_vec_shift_expr): Ditto.
15480         (expand_vec_cond_expr): Ditto.
15481         (vector_compare_rtx): Use EXPAND_STACK_PARM instead of 1 in the
15482         call to expand_expr().
15483         * stmt.c (expand_return): Use EXPAND_NORMAL instead of 0
15484         in the call to expand_expr().
15485
15486 2007-05-14  Dave Korn  <dave.korn@artimi.com>
15487
15488         * genautomata.c (gen_regexp_el): Allocate correct size for regexp.
15489
15490 2007-05-14  Rafael Avila de Espindola  <espindola@google.com>
15491
15492         * c-common.c (warnings_for_convert_and_check): Use unsigned_type_for
15493         instead of c_common_unsigned_type.
15494         (c_common_unsigned_type): Remove.
15495         (shorten_compare): Use c_common_signed_or_unsigned_type instead of
15496         c_common_unsigned_type.
15497         (c_common_nodes_and_builtins): Use unsigned_type_for instead of
15498         c_common_unsigned_type.
15499         * c-common.h (c_common_unsigned_type): Remove.
15500         * c-decl.c (grokdeclarator): Use unsigned_type_for instead of
15501         c_common_unsigned_type.
15502         * c-format.c (check_format_types): Use unsigned_type_for instead of
15503         c_common_unsigned_type.
15504         * c-objc-common.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
15505         * c-typeck.c (convert_for_assignment): Use unsigned_type_for instead
15506         of c_common_unsigned_type.
15507         * convert.c (convert_to_integer): Use unsigned_type_for instead of
15508         lang_hooks.types.unsigned_type.
15509         * expmed.c (make_tree): Use unsigned_type_for instead of
15510         lang_hooks.types.unsigned_type.
15511         * fold-const.c (fold_negate_expr): Use unsigned_type_for instead of
15512         lang_hooks.types.unsigned_type.
15513         (build_range_check): Likewise.
15514         (fold_unary): Likewise.
15515         (fold_binary): Likewise.
15516         (fold_ternary): Likewise.
15517         * langhooks-def.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
15518         * langhooks.h (lang_hooks_for_types): Remove unsigned_type.
15519         * tree.c (get_unsigned_type): New.
15520         (unsigned_type_for): Use get_unsigned_type instead of
15521         lang_hooks.types.unsigned_type.
15522
15523 2007-05-14  Kazu Hirata  <kazu@codesourcery.com>
15524
15525         * config/m68k/m68k-protos.h: Rename m68k_interrupt_function_p
15526         to m68k_get_function_kind.  Update its prototype.
15527         * config/m68k/m68k.c (m68k_attribute_table): Add an entry for
15528         interrupt_thread.
15529         (m68k_interrupt_function_p): Return enum m68k_function_type
15530         instead of bool.  Rename to m68k_get_function_kind.
15531         (m68k_handle_fndecl_attribute): Reject interrupt_thread if the
15532         target is not fido.
15533         (m68k_compute_frame_layout): Don't mark any register for save
15534         if an interrupt_thread attribute is specified.
15535         (m68k_hard_regno_rename_ok): Update a use of
15536         m68k_interrupt_function_p.
15537         * config/m68k/m68k.h (EPILOGUE_USES): Update a use of
15538         m68k_interrupt_function_p.
15539         (m68k_function_type): New.
15540         * config/m68k/m68k.md (*return): Output a 'sleep' instruction
15541         for a function with an interrupt_thread attribute.
15542         * doc/extend.texi: Document the interrupt_thread attribute.
15543
15544 2007-05-13  Daniel Berlin  <dberlin@dberlin.org>
15545
15546         Fix PR tree-optimization/31911
15547         * tree-ssa-pre.c (phi_translate): Make sure to cache results even
15548         if they didn't change the expression.
15549
15550 2007-05-13  Zdenek Dvorak  <dvorakz@suse.cz>
15551
15552         * tree-scalar-evolution.c (resolve_mixers): Exported.
15553         * tree-scalar-evolution.h (resolve_mixers): Declare.
15554         * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p,
15555         ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
15556         record_record_differ_p, record_array_differ_p, array_ptr_differ_p,
15557         base_object_differ_p, base_addr_differ_p, analyze_array_indexes,
15558         init_array_ref, init_pointer_ref, analyze_indirect_ref,
15559         strip_conversion, analyze_offset_expr, address_analysis,
15560         object_analysis, analyze_offset): Removed.
15561         (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias,
15562         split_constant_offset, canonicalize_base_object_address,
15563         object_address_invariant_in_loop_p, disjoint_objects_p,
15564         dr_may_alias_p, dr_address_invariant_p): New functions.
15565         (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices
15566         and dr_analyze_alias.
15567         (initialize_data_dependence_relation): Use dr_may_alias_p
15568         and object_address_invariant_in_loop_p.
15569         (compute_self_dependence): Handle the case when
15570         DDR_ARE_DEPENDENT (ddr) is chrec_dont_know.
15571         (find_data_references_in_stmt): Restrict the analysis of data
15572         references to the given loop nest.
15573         (find_data_references_in_loop): Made static.  Pass loop nest to
15574         find_data_references_in_stmt.
15575         (compute_data_dependences_for_loop): Use DR_VOPS.
15576         (free_data_ref): Free DR_VOPS.
15577         * tree-data-ref.h (struct first_location_in_loop): Replaced by ...
15578         (struct innermost_loop_behavior): ... new.
15579         (struct base_object_info): Replaced by ...
15580         (struct indices): ... new.
15581         (struct dr_alias): New.
15582         (enum data_ref_type): Removed.
15583         (struct data_reference): Consist of struct innermost_loop_behavior,
15584         struct indices and struct dr_alias.
15585         (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed.
15586         (DR_MEMTAG): Renamed to ...
15587         (DR_SYMBOL_TAG): ... this.
15588         (find_data_references_in_loop): Declaration removed.
15589         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT
15590         instead of DR_OFFSET_MISALIGNMENT.  DR_ALIGNED_TO is never NULL.
15591         (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG.
15592         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
15593
15594 2007-05-13  Revital Eres  <eres@il.ibm.com>
15595
15596         * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
15597         which walks virtual def-use chains to find redundant stores.
15598         (dse_optimize_stmt): Call it.
15599
15600 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
15601
15602         * gcse.c (gcse_main): Do jump bypassing in CPROP2.
15603         * passes.c (init_optimization_passes): Move pass_jump_bypass
15604         after loop2.
15605
15606         * basic-block.h (bb_has_eh_pred): Fix style issue.
15607
15608 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
15609
15610         PR rtl-optimization/31848
15611         * loop-invariant.c (move_invariant_reg): If we move an insn
15612         with a REG_EQUAL note, and that insn is not always executed,
15613         remove the REG_EQUAL note.
15614
15615 2007-05-12  Richard Guenther  <rguenther@suse.de>
15616
15617         PR tree-optimization/31797
15618         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
15619         propagate into a stmt that has volatile ops.
15620
15621 2007-05-12  Richard Sandiford  <richard@codesourcery.com>
15622
15623         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
15624         (gcc_tooldir): Likewise.
15625         * configure: Regenerate.
15626         * Makefile.in (libsubdir_to_prefix): New variable, based on the
15627         old configure.ac gcc_tooldir setting.
15628         (prefix_to_exec_prefix): New variable.
15629         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
15630         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
15631
15632 2007-05-11  Silvius Rus  <rus@google.com>
15633
15634         * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
15635         * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
15636         * c-common.h (strict_aliasing_warning): Change return type.
15637         * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
15638         * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
15639         (build_c_cast): Condition call to strict_aliasing_warning.
15640         * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
15641         * flags.h (set_Wstrict_aliasing): Declare.
15642         * opts.c (set_Wstrict_alising): Define, add call to.
15643         * tree-flow.h (strict_aliasing_warning_backend): Declare.
15644         * tree-ssa-alias-warnings.c: New file.
15645         * tree-ssa-alias.c (compute_may_aliases): Add call to
15646         strict_aliasing_warning_backend.
15647
15648 2007-05-11  Zdenek Dvorak  <dvorakz@suse.cz>
15649
15650         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
15651         Use loop_depth and loop_outer accessor functions.
15652         * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
15653         determine_invariantness_stmt, move_computations_stmt): Ditto.
15654         * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
15655         add_loop, loopify, unloop, fix_loop_structure): Ditto.
15656         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
15657         * tree-scalar-evolution.c (interpret_loop_phi,
15658         compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
15659         instantiate_parameters_1, scev_const_prop): Ditto.
15660         * cfghooks.c (make_forwarder_block): Ditto.
15661         * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
15662         * modulo-sched.c (loop_canon_p): Ditto.
15663         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
15664         slpeel_can_duplicate_loop_p): Ditto.
15665         * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
15666         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
15667         * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
15668         cancel_loop, verify_loop_structure): Ditto.
15669         (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
15670         add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
15671         superloops vector instead of "pred" array.
15672         (establish_preds): Take father loop as an argument.  Initialize the
15673         superloops vector.
15674         (flow_loop_tree_node_add): Pass father loop to establish_preds.
15675         Do not initialize loop->outer.
15676         (flow_loop_tree_node_remove): Truncate the superloops vector.
15677         * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
15678         "pred" merged to "superloops" vector.
15679         (loop_depth, loop_outer): New.
15680         (fel_init): Use loop_outer.
15681
15682 2007-05-11  Jan Hubicka  <jh@suse.cz>
15683
15684         * cgraphunit.c: Include gt-cgraphunit.h
15685         (static_ctors, static_dtors): New static vars.
15686         (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
15687         based on implementation in c-common.c
15688         (cgraph_finalize_function): Call record_cdtor_fn.
15689         (cgraph_optimize): Call cgraph_build_cdtor_fns.
15690         * decl.c (finish_function): Do not call c_record_cdtor_fn.
15691         (c_write_global_declarations): Do not call c_build_cdtor_fns.
15692         * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
15693         build_cdtor, c_build_cdtor_fns): Remove.
15694         * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
15695         c_build_cdtor_fns): Remove prototype.
15696
15697 2007-05-11  Paolo Carlini  <pcarlini@suse.de>
15698
15699         PR other/31852
15700         * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
15701         * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
15702         * builtins.c (fold_builtin_memchr): New.
15703         (expand_builtin_memchr): Call the latter.
15704         (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
15705         * doc/extend.texi ([Other built-in functions provided by GCC]):
15706         Document memchr.
15707
15708 2007-05-11  Andreas Krebbel  <krebbel1@de.ibm.com>
15709
15710         * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
15711         PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
15712         PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
15713         PFPO_OP1_TYPE_SHIFT): Constants added.
15714         (DFP_ALL): Mode macro defined.
15715         ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
15716         "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
15717         Insn definitions added.
15718         ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
15719         "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
15720         Expanders added.
15721
15722 2007-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
15723
15724         PR tree-optimization/31885
15725         * tree-chrec.c (chrec_contains_undetermined): Do not consider
15726         NULL_TREE to be undetermined.
15727         (automatically_generated_chrec_p): Return false for NULL.
15728
15729 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
15730
15731         * config/bfin/bfin.h (MOVE_RATIO): Define.
15732
15733 2007-05-10  Richard Sandiford  <richard@codesourcery.com>
15734
15735         * config.gcc (sparc-wrs-vxworks): New target.
15736         * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
15737         * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
15738         * config/sparc/sparc.h: Include vxworks-dummy.h.
15739         (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
15740         include LABEL_REFs too.
15741         * config/sparc/sparc.c (sparc_expand_move): Don't assume that
15742         _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
15743         VxWorks.
15744         (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
15745         on VxWorks.
15746         (load_pic_register): Use gen_vxworks_load_got for VxWorks.
15747         (sparc_emit_call_insn): New function.
15748         (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
15749         functions when generating VxWorks PIC.
15750         * config/sparc/sparc.md (vxworks_load_got): New pattern.
15751         (call, call_value): Use sparc_emit_call_insn instead of
15752         emit_call_insn.
15753
15754 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
15755
15756         * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
15757
15758 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
15759
15760         * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
15761         for floating-point values if HOST_BITS_PER_LONG > 32.  Use
15762         split_double instead of operand_subword.
15763
15764 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
15765
15766         * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
15767         * config/bfin/bfin.c (bfin_local_alignment): New function.
15768         * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
15769
15770 2007-05-08  Chao-ying Fu  <fu@mips.com>
15771
15772         * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
15773         * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
15774         (smsub_widen_optab, umsub_widen_optab): Define.
15775         * optabs.c (init_optabs): Initialize smsub_widen_optab and
15776         umsub_widen_optab.
15777         * genopinit.c (optabs): Fill in smsub_widen_optab and
15778         umsub_widen_optab.
15779         * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
15780         and umsub_widen_optab to implement multiply-subtract sequences.
15781         * config/mips/mips.md (*msac<u>_di): Rename to...
15782         (<u>msubsidi4): ...this.  Extend condition to include
15783         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
15784         of operand 0 to "ka" and use the three-operand form of msub<u>
15785         for TARGET_DSPR2.
15786         * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
15787         to define_expands.
15788
15789 2007-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
15790
15791         PR rtl-optimization/28011
15792         * reload.c (push_reload): Set dont_share if IN appears in OUT
15793         also when IN is a PLUS rtx.
15794         (reg_overlap_mentioned_for_reload_p): Return true if X and IN
15795         are same PLUS rtx.
15796
15797 2007-05-08  Kazu Hirata  <kazu@codesourcery.com>
15798
15799         * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL.  Don't
15800         call unshare_all_decls.
15801         (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
15802         (unshare_all_decls): Remove.
15803
15804 2007-05-08  Simon Martin  <simartin@users.sourceforge.net>
15805
15806         PR 31847
15807         * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
15808         dumps.
15809
15810 2007-05-08  Sandra Loosemore  <sandra@codesourcery.com>
15811             Nigel Stephens  <nigel@mips.com>
15812
15813         * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
15814         Update comments and all uses.
15815         (MIN_FPRS_PER_FMT): Define.
15816         * config/mips/mips.c (function_arg): Fix to correctly handle
15817         the -mips32r2 -mfp64 -mabi=32 case.
15818         (override_options): Enable use of odd-numbered registers for
15819         SFmode values on MIPS32.
15820         (mips_save_reg_p): Save whole floating-point register pair if
15821         either half is used.
15822         (compute_frame_size): Fix comment.
15823
15824 2007-05-08  Jie Zhang  <jie.zhang@analog.com>
15825
15826         * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
15827         argument of type bool.
15828         * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
15829         argument. Safely select temporary P register according to it.
15830         (do_link): Change call site of add_to_reg accordingly.
15831         (do_unlink): Add epilogue_p as a fourth argument and pass it
15832         to add_to_reg.
15833         (expand_interrupt_handler_epilogue): Change call of do_unlink
15834         accordingly.
15835         (bfin_expand_prologue): Add a third argument sibcall_p.
15836         * config/bfin/bfin.md (epilogue): Change call of
15837         bfin_expand_epilogue accordingly.
15838         (sibcall_epilogue): Likewise.
15839         (eh_return_internal): Likewise.
15840
15841         * config/bfin/bfin-protos.h (enum bfin_cpu): Add
15842         BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
15843         * config/bfin/bfin.c (bfin_handle_option): Handle
15844         -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
15845         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
15846         Support bf534, bf536 and bf561.
15847         * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
15848
15849 2007-05-08  Uros Bizjak  <ubizjak@gmail.com>
15850
15851         PR target/31854
15852         * config/i386/i386.c (ix86_function_regparm): Process local
15853         functions only when TREE_CODE (decl) equals FUNCTION_DECL.
15854
15855 2007-05-07  Mike Stump  <mrs@apple.com>
15856
15857         * doc/invoke.texi (Warning Options): Document that -Wempty-body
15858         also checks for and while statements in C++.
15859
15860 2007-05-07  Nathan Froyd  <froydnj@codesourcery.com>
15861
15862         * gcc.c (at_file_supplied): New variable.
15863         (main): Set it if we expanded argv.
15864         (do_spec_1): Pass an @-file to the linker if we were called with
15865         an @-file argument and HAVE_GNU_LD.
15866         * collect2.c (at_file_supplied): New variable.
15867         (response_file): New variable.
15868         (collect_exit): Unlink response_file if necessary.
15869         (handler): Likewise.
15870         (do_wait): Likewise.
15871         (main): Set at_file_supplied if we expanded argv.
15872         (collect_execute): Pass an @-file to subprocesses if we were called
15873         with an @-file argument.
15874         * configure.ac: Add define for HAVE_GNU_LD.
15875         * configure: Regenerate.
15876         * config.in: Regenerate.
15877
15878 2007-05-07  Naveen.H.S  <naveen.hs@kpitcummins.com>
15879
15880         * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
15881         operand to HI mode.
15882         (mulsi3): New.
15883         (divsi3): New.
15884         (udivsi3): New.
15885
15886 2007-05-07  Jayant Sonar  <jayants@kpitcummins.com>
15887
15888         * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
15889         (TARGET_ENCODE_SECTION_INFO): Re-define.
15890         (m32c_encode_section_info): New
15891         (function_vector_handler): New
15892         (current_function_special_page_vector): New
15893         (m32c_special_page_vector_p): New.
15894         * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
15895         Prototype.
15896         * config/m32c/jump.md: Added instruction JSRS for functions
15897         with attribute "function_vector".
15898         * doc/extend.texi (function_vector): Added description
15899         for M16C, M32C targets.
15900
15901 2007-05-07  DJ Delorie  <dj@redhat.com>
15902
15903         PR 31794
15904         * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
15905         ashrpsi3, lshrpsi3): Update shift count constraint.
15906
15907 2007-05-07  Danny Smith  <dannysmith@users.sourceforge.net>
15908             Nathan Froyd  <froydnj@codesourcery.com>
15909
15910         PR 22133
15911         * c-incpath.c (add_path): Strip trailing path separators.
15912
15913 2007-05-07  Eric Botcazou  <ebotcazou@adacore.com>
15914
15915         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
15916         Free dominance info before purging EH edges.
15917         (eliminate_degenerate_phis): Likewise.
15918         (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
15919
15920 2007-05-07  Jan Hubicka  <jh@suse.cz>
15921
15922         * gimplify.c (gimplify_expr): Do not crash when folding
15923         (void *)(int)&a + 4.
15924
15925 2007-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
15926
15927         PR driver/31694
15928         * c-opts.c (lang_fortran): Make it non static.
15929         * c-common.h (lang_fortran): New prototype.
15930         * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
15931         -lang-fortran option was passed by the driver.
15932
15933 2007-05-06  Eric Botcazou  <ebotcazou@adacore.com>
15934
15935         * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
15936         of ASSERT_CHECKING.  Tweak message.
15937
15938 2007-05-06  Revital Eres  <eres@il.ibm.com>
15939
15940         PR 30957
15941         * loop-unroll.c (insert_var_expansion_initialization):
15942         Initialize the expansions with -zero instead of +zero.
15943
15944 2007-05-05  Aurelien Jarno  <aurelien@aurel32.net>
15945
15946         * config/pa/pa.md: Split tgd_load, tld_load and tie_load
15947         into pic and non-pic versions. Mark r19 as used for
15948         tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
15949         for tgd_load, tld_load and tie_load .
15950         * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
15951         version of tgd_load, tld_load and tie_load depending on the
15952         value of flag_pic.
15953
15954 2007-05-04  Ulrich Drepper  <drepper@redhat.com>
15955             Jakub Jelinek  <jakub@redhat.com>
15956
15957         * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
15958         (__do_global_dtors_aux): Use more paranoid loop to run
15959         destructors if HIDDEN_DTOR_LIST_END.
15960         (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
15961
15962 2007-05-04  Jakub Jelinek  <jakub@redhat.com>
15963
15964         * varasm.c (align_variable): Don't increase alignment for
15965         DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
15966         DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
15967
15968 2007-05-04  Josh Conner  <jconner@apple.com>
15969
15970         * basic-block.h (cdi_direction): Assign values to all enumeration
15971         constants.
15972         (dom_computed): Remove.
15973         (dom_info_state): New.
15974         (set_dom_info_availability): New.
15975         * tree-ssa-loop-im.c (determine_invariantness): Initialize
15976         walk_data.dom_direction.
15977         * cfghooks.c (delete_basic_block): Use dom_info_available_p()
15978         instead of dom_computed[].
15979         (split_edge): Likewise.
15980         (create_basic_block): Likewise.
15981         (merge_blocks): Likewise.
15982         * ifcvt.c (find_if_header): Likewise.
15983         * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
15984         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15985         * tree-ssa.c (verify_ssa): Likewise.
15986         * tree-cfg.c (tree_verify_flow_info): Likewise.
15987         (remove_edge_and_dominated_blocks): Likewise.
15988         * dominance.c (dom_computed): Make static.
15989         (calc_dfs_tree_nonrec): Change third param to a bool.
15990         (calc_dfs_tree): Change second param to a bool.
15991         (calc_idioms): Change second param to a bool.  Use
15992         dom_convert_dir_to_idx.
15993         (init_dom_info): Validate dir before using.
15994         (dom_convert_dir_to_idx): New.
15995         (calculate_dominance_info): Use dom_convert_dir_to_idx.  New
15996         variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
15997         (free_dominance_info): Use dom_convert_dir_to_idx.
15998         (get_immediate_dominator): Likewise.
15999         (set_immediate_dominator): Likewise.
16000         (get_dominated_by): Likewise.
16001         (redirect_immediate_dominators): Likewise.
16002         (nearest_common_denominator): Likewise.
16003         (dominated_by_p): Likewise.
16004         (bb_dom_dfs_in): Likewise.
16005         (bb_dom_dfs_out): Likewise.
16006         (recount_dominator): Likewise.
16007         (iterate_fix_dominators): Likewise.
16008         (add_to_dominance_info): Likewise.
16009         (delete_from_dominance_info): Likewise.
16010         (first_dom_son): Likewise.
16011         (next_dom_son): Likewise.
16012         (dom_info_available_p): Likewise.
16013         (dom_info_state): New.
16014         (set_dom_info_availability): New.
16015
16016 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
16017
16018         * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
16019         Expander removed.
16020         ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
16021
16022 2007-05-04  Bob Wilson  <bob.wilson@acm.org>
16023
16024         * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
16025         (subdi3, subdi_carry): Delete.
16026
16027 2007-05-04  Jan Hubicka  <jh@suse.cz>
16028             Richard Guenther  <rguenther@suse.de>
16029
16030         * opts.c (decode_options): Do not fiddle with inlining
16031         parameters in case of optimizing for size.
16032         * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
16033         for size do nothing.
16034         (cgraph_decide_inlining_of_small_function): When optimizing for
16035         size never inline functions increasing caller size.
16036         (cgraph_early_inlining): Inline for size when optimizing for size.
16037
16038 2007-05-04  Bernd Schmidt  <bernd.schmidt@analog.com>
16039
16040         * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
16041         logical operations piecewise.
16042         (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
16043         zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
16044         subdi_sesidi_di): Delete.
16045         (add_with_carry): Produce carry in CC instead of a DREG to shorten
16046         the generated sequence.  Allow three-reg add in constraints.  Rewrite
16047         the rtl expression for carry to avoid zero_extend of a constant.
16048         (sub_with_carry): New pattern.
16049         (adddi3, subdi3): Change into define_expand.  For subtract, generate a
16050         different sequence not involving jumps.
16051         (notbi): Now a named pattern.
16052
16053 2007-05-04  Bradley Lucier  <lucier@math.purdue.edu>
16054
16055         * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
16056         Add the note about a significant loss of accuracy of some
16057         mathematical routines when these options are used.
16058
16059 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
16060
16061         * haifa-sched.c (rtx_vec_t): New typedef.
16062         (contributes_to_priority_p): Extract piece of priority () into new
16063         static function.
16064         (priority): Use the function.  Add assertion.
16065         (rank_for_schedule, set_priorities): Add assertion to check that
16066         insn's priority is initialized.
16067         (clear_priorities, calc_priorities): Change signature.  Make it update
16068         all relevant insns.  Update all callers ('add_to_speculative_block ()'
16069         and 'create_block_check_twin ()').
16070         * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
16071         Add new field 'priority_status'.
16072         (INSN_PRIORITY_STATUS): New macro.
16073         (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
16074
16075 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
16076
16077         * sched-ebb.c (debug_ebb_dependencies): New static function.
16078         (init_ready_list): Use it.
16079
16080         * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
16081         with changed signature and 'debug_rgn_dependencies ()'.
16082         (debug_rgn_dependencies): New static function.
16083         (init_ready_list): Use it.
16084
16085         * sched-int.h (debug_dependencies): Declare.
16086
16087 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
16088
16089         * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
16090
16091 2007-05-04  Dirk Mueller  <dmueller@suse.de>
16092
16093         * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
16094
16095 2007-05-03  Jan Hubicka  <jh@suse.cz>
16096
16097         * fold-const.c (fold_unary): Convert (T1)(X op Y) into
16098         ((T1)X op (T1)Y), for pointer type in more cases than before.
16099
16100         * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
16101
16102         * tree-object-size.c (plus_expr_object_size): When operand size is
16103         unknown, return unknown.
16104
16105 2007-05-03  Dirk Mueller  <dmueller@suse.de>
16106
16107         * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
16108
16109         * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
16110         options.
16111
16112         * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
16113
16114 2007-05-03  Janis Johnson  <janis187@us.ibm.com>
16115
16116         * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
16117
16118 2007-05-03  Joseph Myers  <joseph@codesourcery.com>
16119
16120         * config/soft-fp/double.h, config/soft-fp/extended.h,
16121         config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
16122         config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
16123         config/soft-fp/op-2.h, config/soft-fp/op-4.h,
16124         config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
16125         glibc CVS.
16126
16127 2007-05-03  Ian Lance Taylor  <iant@google.com>
16128
16129         * config/rs6000/rs6000.c (rs6000_override_options): Don't set
16130         MASK_PPC_GFXOPT for 8540 or 8548.
16131
16132 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
16133
16134         * tree-vect-transform.c (vect_update_inits_of_drs): Use
16135         vect_print_dump_info() to output debug information.
16136
16137 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
16138
16139         PR target/31768
16140         * config/i386/i386.c (print_operand) ['z']: Output 'w' for
16141         operands of size 2 when operand is not MEM_P.
16142
16143 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
16144
16145         PR tree-optimization/30565
16146         * lambda-code.c (perfect_nestify): Fix updating of dominators.
16147
16148 2007-05-03  Bernd Schmidt  <bernd.schmidt@analog.com>
16149
16150         * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
16151         (umulsi3_highpart): Use them.
16152         * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
16153         for final accumulator to D regisster tranfser.
16154
16155 2007-05-03  Dorit Nuzman  <dorit@il.ibm.com>
16156
16157         PR tree-optimization/31699
16158         * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove
16159         wrong code.
16160         (vect_enhance_data_refs_alignment): Compute peel amount using
16161         TYPE_VECTOR_SUBPARTS instead of vf.
16162         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
16163
16164 2007-05-02  Brooks Moses  <brooks.moses@codesourcery.com>
16165
16166         PR bootstrap/31776
16167         * system.h: Remove inclusion of double-int.h
16168         * tree.h: Include double-int.h
16169         * gengtype.c: Likewise
16170         * cfgloop.h: Likewise
16171         * Makefile.in: Adjust dependencies on double-int.h
16172
16173 2007-05-02  Eric Christopher  <echristo@apple.com>
16174
16175         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
16176         -shared to -Zdynamiclib.
16177
16178 2007-05-02  Seongbae Park  <seongbae.park@gmail.com>
16179
16180         PR c++/31663
16181         * c-common.c (strip_pointer_or_array_types): New function.
16182         * c-common.h (strip_pointer_or_array_types): New function declaration.
16183
16184 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
16185
16186         PR tree-optimization/31771
16187         * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
16188
16189 2007-05-02  Paul Brook  <paul@codesourcery.com>
16190
16191         * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
16192
16193 2007-05-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16194
16195         PR middle-end/29715
16196         * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
16197         transformation.
16198
16199 2007-05-02  Nick Clifton  <nickc@redhat.com>
16200
16201         * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
16202
16203 2007-05-02  Richard Guenther  <rguenther@suse.de>
16204
16205         PR tree-optimization/31146
16206         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
16207         argument, single_use_p.  If we have a single use that is
16208         a conversion to the definition rhs type, propagate that rhs.
16209         (forward_propagate_addr_expr): Pass single_use_p argument
16210         to forward_propagate_addr_expr_1.
16211
16212 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
16213
16214         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
16215         variable.
16216
16217 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
16218
16219         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
16220         'AMD Family 10 core'.
16221
16222 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
16223
16224         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
16225         and athlon64-sse3 as improved versions of k8, opteron and athlon64
16226         with SSE3 instruction set support.
16227         * doc/invoke.texi: Likewise.
16228
16229 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
16230
16231         * config/i386/i386.c (override_options): Tuning 32-byte loop
16232         alignment for amdfam10 architecture. Increasing the max loop
16233         alignment to 24 bytes.
16234
16235 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
16236
16237         * config/m68k/constraints.md: New.
16238         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
16239         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
16240         EXTRA_CONSTRAINT): Remove.
16241         * config/m68k/m68k.md: Include constraints.md.
16242         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
16243
16244 2007-05-01  Ian Lance Taylor  <iant@google.com>
16245
16246         PR tree-optimization/31739
16247         * tree-vrp.c (vrp_val_is_max): New static function.
16248         (vrp_val_is_min): New static function.
16249         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
16250         copying the node.
16251         (set_value_range): Use vrp_val_is_{max,min}.
16252         (extract_range_from_assert): Likewise.
16253         (extract_range_from_binary_expr): Likewise.
16254         (extract_range_from_unary_expr): Likewise.
16255         (dump_value_range, vrp_meet): Likewise.
16256         (vrp_visit_phi_node): Likewise.
16257         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
16258
16259 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
16260
16261         * config/i386/gmon-sol2.c (size_t): New type.
16262         (intptr_t): Likewise.
16263         (s_textsize): Declare as size_t.
16264         (sbrk): Declare.
16265         (monstartup): Use size_t for sizes.
16266         (_mcount): Save and restore registers.
16267         (internal_mcount): Pass 0 as the first argument to monstartup
16268         in 64-bit mode.
16269         (moncontrol): Convert pointer to appropriately sized integer
16270         before passing to profil.
16271
16272 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
16273
16274         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
16275         __NO_FPRS__, not just if _SOFT_DOUBLE.
16276         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
16277         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
16278         also for E500 double.
16279         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
16280         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
16281         && !TARGET_FPRS).
16282
16283 2007-05-01  Richard Guenther  <rguenther@suse.de>
16284
16285         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
16286         is NULL.
16287
16288 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
16289
16290         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
16291
16292 2007-05-01  Jan Hubicka  <jh@suse.cz>
16293
16294         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
16295         invariant.
16296
16297 2007-05-01  Jan Hubicka  <jh@suse.cz>
16298
16299         * tree.h (maybe_fold_offset_to_component_ref): Remove.
16300         (maybe_fold_offset_to_reference): Declare.
16301         * fold-const.c (fold_unary): Do not fold
16302         (type *)&A into &A->field_of_type_and_offset_0
16303         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
16304         size is unknown, give up.
16305         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
16306         offsets.
16307         (maybe_fold_offset_to_reference): New.
16308         (maybe_fold_stmt_indirect): Use it.
16309         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
16310         * gimplify.c (gimplify_conversion): Canonicalize conversions to
16311         field references.
16312         (gimplify_expr): Likewise for plus_expr.
16313
16314 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
16315
16316         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
16317         bsi_after_labels.  Always insert statements before bsi.
16318         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
16319         * predict.c (apply_return_prediction): Check for empty blocks.
16320         * cfgexpand.c (lab_rtx_for_bb): New variable.
16321         (label_rtx_for_bb): Do not create new tree labels.
16322         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
16323         (tree_expand_cfg): Initialize lab_rtx_for_bb.
16324         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
16325         creating edges.
16326         (label_for_bb): Add field used.
16327         (update_eh_label, main_block_label): Mark the label used.
16328         (cleanup_dead_labels): Remove unused labels.
16329
16330 2007-05-01  Richard Guenther  <rguenther@suse.de>
16331
16332         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
16333         if it is not about to be set.
16334         (get_value_range): Do not pre-allocate equiv bitmap.
16335         (update_value_range): No need to clear equiv field.
16336         (add_equivalence): Change prototype to get bitmap pointer.
16337         Allocate bitmap here if it is not already.
16338         (extract_range_from_assert): Do not allocate bitmap here.
16339         Update callers to add_equivalence.
16340         (extract_range_from_ssa_name): Likewise.
16341         (get_vr_for_comparison): New static helper.
16342         (compare_name_with_value): Handle NULL equiv bitmap by
16343         peeling the first iteration of the comparison loop.
16344         Use get_vr_for_comparison.
16345         (compare_names): Handle NULL equiv bitmaps by using fake
16346         ones.  Use get_vr_for_comparison.
16347
16348 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
16349
16350         * double-int.c (mpz_set_double_int): Moved from
16351         tree-ssa-loop-niter.c.
16352         (mpz_get_double_int): Likewise; also, add option to wrap
16353         out-of-range integers.
16354         * double-int.h: New prototypes for above.
16355         * tree.c (get_static_type_bounds): Moved from
16356         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
16357         TYPE_MAX_VALUE if they exist..
16358         * tree.h: New prototype for above.
16359         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
16360         get_type_bounds calls.
16361         (mpz_set_double_int): Move to double-int.c.
16362         (get_type_bounds): Move to tree.c, rename to
16363         get_static_type_bounds.
16364         (mpz_to_double_int): Move to double-int.c, rename to
16365         mpz_get_double_int.
16366
16367 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
16368
16369         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
16370         DIV0 exception can fall through to a normal return.
16371
16372 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
16373
16374         PR middle-end/22156
16375         Temporarily revert:
16376         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
16377         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
16378         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
16379         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
16380         initialize align to silence bogus warning.
16381         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
16382         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
16383         all_no_warning.
16384         (struct sra_walk_fns): Remove use_all parameter from use.
16385         (sra_hash_tree): Handle BIT_FIELD_REFs.
16386         (sra_elt_hash): Don't hash bitfld blocks.
16387         (sra_elt_eq): Skip them in parent compares as well.  Handle
16388         BIT_FIELD_REFs.
16389         (sra_walk_expr): Don't maintain or pass down use_all_p.
16390         (scan_use): Remove use_all parameter.
16391         (scalarize_use): Likewise.  Re-expand assignment to
16392         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
16393         output, and re-scalarize after output.  Don't mark anything
16394         for no warning.
16395         (scalarize_ldst): Adjust.
16396         (scalarize_walk_gimple_modify_statement): Likewise.
16397         (build_element_name_1): Handle BIT_FIELD_REFs.
16398         (instantiate_element): Don't warn for any element whose parent
16399         is used as a whole.
16400         (instantiate_missing_elements_1): Return the sra_elt.
16401         (canon_type_for_field): New.
16402         (try_instantiate_multiple_fields): New.
16403         (instantiate_missing_elemnts): Use them.
16404         (mark_no_warning): Removed.
16405         (generate_one_element_ref): Handle BIT_FIELD_REFs.
16406         (REPLDUP, sra_build_elt_assignment): New.
16407         (generate_copy_inout): Use them.
16408         (generate_element_copy): Likewise.  Handle bitfld differences.
16409         (generate_element_zero): Don't recurse for blocks.  Use
16410         sra_build_elt_assignment.
16411         (generate_one_element_int): Take elt instead of var.  Use
16412         sra_build_elt_assignment.
16413         (generate_element_init_1): Adjust.
16414         (scalarize_use, scalarize_copy): Use REPLDUP.
16415         (scalarize_ldst): Move assert before dereference.
16416         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
16417
16418 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16419
16420         PR C++/31721
16421         * tree.c (reconstruct_complex_type): Reconstruct a reference
16422         correctly.
16423         Also use the same mode for the pointer as the old pointer type.
16424
16425 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
16426
16427         * doc/trouble.texi (Interoperation): Remove note about Ultrix
16428         Fortran compiler.
16429
16430 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
16431
16432         PR rtl-optimization/31676
16433         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
16434         (df_refs_record): Call it.
16435
16436 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
16437
16438         * rtl.def (SS_ABS): New code.
16439         * config/bfin/bfin.c (print_operand): New modifier 'v'.
16440         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
16441         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
16442         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
16443         (bfin_init_builtins): Define them.
16444         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
16445         (bfin_expand_builtin): ... and handle the others here.
16446         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
16447         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
16448         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
16449         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
16450         operand is only HImode.
16451
16452 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
16453
16454         * regclass.c (scan_one_insn): Remove splitting of
16455         two address insns.
16456
16457 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
16458             Nigel Stephens  <nigel@mips.com>
16459
16460         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
16461
16462 2007-04-28  Jan Hubicka  <jh@suse.cz>
16463
16464         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
16465         insn_locators_alloc instead of insn_locators_initialize;
16466         call reset_block_changes.
16467         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
16468         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
16469         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
16470         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
16471         * config/score/score.c (th_output_mi_thunk): Likewise.
16472         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
16473         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
16474         tolerate uninitialized locator info.
16475
16476         Re-apply:
16477         * function.c (init_function_start): Don't init line number info.
16478         (expand_function_end): Update.
16479         (reset_block_changes, record_block_change, finalize_block_changes,
16480         check_block_change, free_block_changes): Kill.
16481         * function.h (reset_block_changes, record_block_change,
16482         finalize_block_changes, check_block_change, free_block_changes):
16483         Remove prototypes.
16484         (struct function): Remove ib_boundaries_block.
16485         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
16486         Use curr_insn_locator to initialize locator.
16487         (emit_line_note): Remove.
16488         * cfgexpand.c (expand_gimple_cond_expr): Update.
16489         (construct_exit_block): Likewise.
16490         (tree_expand_cfg): Initialize/finalize locators.
16491         * expr.c (expand_expr_real): Update.
16492         * cfglayout.c (line_locators_locs, line_locators_lines,
16493         file_locators_locs, file_locators_files): Remove.
16494         (set_block_levels): Move to cfgexpand.c.
16495         (insn_locators_initialize): Remove.
16496         (pass_insn_locators_initialize): Remove.
16497         (locations_locators_locs, locations_locators_vals): New static vars.
16498         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
16499         Likewise.
16500         (insn_locators_alloc, insn_locators_finalize,
16501         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
16502         New functions.
16503         (locator_location): New.
16504         (locator_line, locator_file): Rewrite.
16505         * rtl.h (emit_line_note): Kill.
16506         (insn_locators_alloc, insn_locators_finalize,
16507         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
16508         Declare.
16509         * tree-inline.c (initialize_cfun): Do not initialize
16510         ib_boundaries_block.
16511         * passes.c (pass_insn_locators_initialize): Remove.
16512
16513 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
16514
16515         * tree-cfg.c (move_block_to_fn): Release bb from dominance
16516         info.  Update last_basic_block correctly.
16517
16518 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
16519
16520         PR target/31701
16521         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
16522         register itself to hold the offset constant.  Tell flow the use
16523         of r4 and r5 when they are used.
16524
16525 2007-04-27  Richard Guenther  <rguenther@suse.de>
16526
16527         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
16528         if we simplified anything.
16529         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
16530         warnings until we did a simplification and the stmt was not
16531         marked as TREE_NO_WARNING.
16532
16533 2007-04-27  Mike Stump  <mrs@apple.com>
16534
16535         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
16536
16537 2007-04-27  Ian Lance Taylor  <iant@google.com>
16538
16539         PR middle-end/31710
16540         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
16541         TYPE_MAX_VALUE exist, convert them to the new type.
16542
16543 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
16544
16545         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
16546         if it claims to be available.
16547         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
16548         edge is redirected.
16549         (perform_tree_ssa_dce): Always free postdominators.
16550
16551 2007-04-27  Richard Henderson  <rth@redhat.com>
16552
16553         * config/alpha/predicates.md (aligned_memory_operand): Mark
16554         as define_special_predicate.
16555         (unaligned_memory_operand, normal_memory_operand): Likewise.
16556         (reg_or_unaligned_mem_operand): Remove.
16557         (any_memory_operand): Match the documentation and check for
16558         non-renumbered pseudos during reload.
16559         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
16560         alpha_secondary_reload_class, update to new interface, make static.
16561         Handle CQImode like HImode.  Remove FP subreg check.
16562         (alpha_expand_mov): Use replace_equiv_address.
16563         (alpha_expand_mov_nobwx): Use any_memory_operand.
16564         (TARGET_SECONDARY_RELOAD): New.
16565         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
16566         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
16567         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
16568         * config/alpha/alpha.md: ... here.
16569         (RELOAD12, reloadmode): New.
16570         (movcqi): New.
16571         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
16572         Don't handle the aligned case here.
16573         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
16574         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
16575         reload_inhi_help.  Don't expect a scratch register.
16576         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
16577         reload_outhi_help.
16578         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
16579
16580 2007-04-27  Richard Guenther  <rguenther@suse.de>
16581
16582         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
16583
16584 2007-04-27  Richard Guenther  <rguenther@suse.de>
16585
16586         PR tree-optimization/30965
16587         PR tree-optimization/30978
16588         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
16589         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
16590         (find_equivalent_equality_comparison): Likewise.
16591         (simplify_cond): Likewise.
16592         (get_prop_source_stmt): New helper.
16593         (get_prop_dest_stmt): Likewise.
16594         (can_propagate_from): Likewise.
16595         (remove_prop_source_from_use): Likewise.
16596         (combine_cond_expr_cond): Likewise.
16597         (forward_propagate_comparison): New function.
16598         (forward_propagate_into_cond): Rewrite to use fold for
16599         tree combining.
16600         (tree_ssa_forward_propagate_single_use_vars): Call
16601         forward_propagate_comparison to propagate comparisons.
16602
16603 2007-04-27  Richard Guenther  <rguenther@suse.de>
16604
16605         PR tree-optimization/31715
16606         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
16607         sure to do computation on the offset in an appropriate
16608         signed type.
16609
16610 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
16611
16612         * reload.h (elimination_target_reg_p): Declare.
16613         * reload.c (find_reloads): Don't apply the reg_rtx move
16614         optimization if the SET_DEST satisfies elimination_target_reg_p.
16615         * reload1.c (elimination_target_reg_p): New function.
16616         (gen_reload): In the move/add2 fallback, make sure that op0
16617         does not overlap the destination register.
16618
16619 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
16620
16621         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
16622         transform only GIMPLE_MODIFY_STMTs.
16623         * tree-complex.c (expand_complex_operations_1): Ditto.
16624         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
16625         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
16626         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
16627         branches.
16628         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
16629         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
16630         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
16631         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
16632         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
16633         slpeel_add_loop_guard): Ditto.
16634         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
16635         * lambda-code.c (perfect_nestify): Ditto.
16636         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
16637         before the first statement.
16638         * tree-optimize.c (execute_free_datastructures): Fix comments.
16639         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
16640         * tree-flow.h (disband_implicit_edges): Declaration removed.
16641         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
16642         branches.
16643         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle
16644         COND_EXPRs without gotos.
16645         (disband_implicit_edges, has_label_p): Removed.
16646         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
16647         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
16648         branches.
16649         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
16650         side effects.
16651         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
16652         also for COND_EXPRs.
16653         * cfgexpand.c (label_rtx_for_bb): New function.
16654         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
16655         Use label_rtx_for_bb to find the labels.
16656         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
16657         last block.  Detect fallthru edges.
16658
16659 2007-04-26  Ian Lance Taylor  <iant@google.com>
16660
16661         PR target/28675
16662         * reload.c (find_reloads_subreg_address): If the address was valid
16663         in the original mode but not in the new mode, reload the whole
16664         address.
16665
16666 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
16667
16668         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
16669         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
16670         (cleanup_control_expr_graph): Do not invalidate dominance info.
16671         Record altered blocks.
16672         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
16673         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
16674         cleanup_tree_cfg_bb): New functions.
16675         (remove_forwarder_block): Do not maintain the worklist of blocks.
16676         Record altered blocks.
16677         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
16678         not over whole cfg.
16679         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
16680         delete_unreachable_blocks if dominators are not available.
16681         * tree-inline.c (optimize_inline_calls): Free dominance information
16682         earlier.
16683         * tree-flow.h (remove_edge_and_dominated_blocks,
16684         cfgcleanup_altered_bbs): Altered.
16685         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
16686         blocks.
16687         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
16688         functions.
16689         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
16690         do not invalidate dominators.
16691
16692 2007-04-26  Anatoly Sokolov <aesok@post.ru>
16693
16694         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
16695         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
16696         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
16697         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
16698
16699 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
16700
16701         * config/ia64/ia64.md (ip_value): Fix itanium_class attribute.
16702
16703 2007-04-26  Richard Guenther  <rguenther@suse.de>
16704
16705         PR tree-optimization/31703
16706         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
16707         the right type for the target of the bittest.
16708
16709 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
16710
16711         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
16712         ix86_sol10_return_in_memory.
16713
16714 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
16715
16716         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
16717         variables.
16718
16719 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
16720
16721         PR c++/31598
16722         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
16723
16724         PR tree-optimization/30558
16725         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
16726         clear this_state.prev_try.
16727
16728 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
16729             Mark Mitchell  <mark@codesourcery.com>
16730
16731         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
16732         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
16733         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
16734
16735 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
16736
16737         PR driver/31107
16738         * doc/invoke.texi (%:print-asm-header): Document.
16739         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
16740         and -ftarget-help.
16741         (static_spec_functions): Add print-asm-header.
16742         (main): Print a banner before the --target-help linker options.
16743         (print_asm_header_spec_function): New function.
16744
16745 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
16746
16747         PR target/31403
16748         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
16749         (movsf_ie): Likewise.
16750
16751 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
16752
16753         * doc/extend.texi ([Type Traits]): Adjust per N2255.
16754
16755 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
16756
16757         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an
16758         exception for divide-by-zero.
16759         (__umodsi3, __modsi3): Likewise.
16760
16761 2007-04-25  Dirk Mueller  <dmueller@suse.de>
16762
16763         * c-typeck.c (build_compound_expr): Annotate warning()
16764         call with OPT_Wunused_value.
16765         * tree-ssa.c (warn_uninit): Annotate warning with
16766         OPT_Wunintialized.
16767         * c-common.c (handle_sentinel_attribute): Annotate warning
16768         call with OPT_Wattributes.
16769
16770 2007-04-25  Thiemo Seufer  <ths@mips.com>
16771
16772         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
16773         (mips16): Fix typo.
16774         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
16775         on to the assembler.  Improve handling of -mno-mips16.  Add handling
16776         of -mno-mips3d, -mno-dsp, -mno-dspr2.
16777         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
16778         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
16779         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
16780
16781 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
16782
16783         PR target/31680
16784         * config/i386/winnt.c (i386_pe_file_end): Strip only
16785         USER_LABEL_PREFIX when writing export name.
16786
16787 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
16788
16789         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
16790         sh/elf.h, vx-common.h and vxworks.h.
16791         * config/sh/sh.h: Include config/vxworks-dummy.h.
16792         (SUBTARGET_OVERRIDE_OPTIONS): Define.
16793         (OVERRIDE_OPTIONS): Use it.
16794         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
16795         (vxworks_picreg): New pattern.
16796         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
16797         VXWORKS_OS_CPP_BUILTINS.
16798         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
16799         to their VXWORKS_* equivalents.
16800         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
16801         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
16802         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
16803         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
16804         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
16805         -mrtp/-fPIC multilibs.
16806         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
16807         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
16808         (MULTILIB_OSDIRNAMES): Delete.
16809
16810 2007-04-25  Anatoly Sokolov <aesok@post.ru>
16811
16812         PR target/18989
16813         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
16814
16815 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
16816
16817         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
16818         rounding mode to be specified by the caller.
16819         (real_to_mpfr) Likewise.
16820         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
16821         include new arguments.
16822         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
16823
16824 2007-04-24  Ian Lance Taylor  <iant@google.com>
16825
16826         PR tree-optimization/31605
16827         * tree-vrp.c (set_value_range): Check that min and max are not
16828         both overflow infinities.
16829         (set_value_range_to_value): New static function.
16830         (extract_range_from_binary_expr): Call set_value_range_to_value.
16831         (extract_range_from_cond_expr): Likewise.
16832         (extract_range_from_expr): Likewise.
16833         (extract_range_from_unary_expr): Likewise.  Don't create a range
16834         which overflows on both sides.
16835         (vrp_meet): Check for a useless range.
16836         (vrp_visit_phi_node): If we see a constant which looks like an
16837         overflow infinity, turn off the TREE_OVERFLOW flag.
16838
16839 2007-04-24  Ian Lance Taylor  <iant@google.com>
16840
16841         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
16842
16843 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
16844
16845         PR diagnostic/25923
16846         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
16847         diagnostic message is being built.
16848         * tree-pretty-print.c (dump_generic_node): Only write the
16849         formatted text into BUFFER's stream if we are not building a
16850         diagnostic message.
16851         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
16852         dump_generic_node.
16853         * Makefile.in (toplev.o): Depend on tree-pass.h.
16854
16855 2007-04-24  Ian Lance Taylor  <iant@google.com>
16856
16857         PR tree-optimization/31602
16858         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
16859         conditionals in the copied loop header.
16860         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
16861         warnings if TREE_NO_WARNING is set.
16862         * doc/invoke.texi (Warning Options): Clarify that
16863         -Wstrict-overflow does not warn about loops.
16864
16865 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
16866
16867         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
16868         expand on the comment about _Decimal128 arguments and check the
16869         integer result of the modulus operation; for 64-bit ELF ABI, ensure
16870         that _Decimal128 argument uses even/odd register pair.
16871         (function_arg): Ditto.
16872
16873 2007-04-24  Hui-May Chang <hm.chang@apple.com>
16874
16875         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
16876         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
16877
16878 2007-04-24  Richard Guenther  <rguenther@suse.de>
16879             Olga Golovanevsky  <olga@il.ibm.com>
16880
16881         * fold-const.c (multiple_of_p): Check for bottom
16882         to be zero.
16883
16884 2007-04-24  Richard Henderson  <rth@redhat.com>
16885
16886         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
16887         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
16888         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
16889         looking for non-zero bits shifted out.  Avoid a recursive call
16890         when constructing the scalar.
16891         (__floatundisf): Likewise.
16892
16893 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
16894
16895         * dwarf2out.c (field_byte_offset): Move the existing logic
16896         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
16897         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
16898
16899 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
16900
16901         PR target/31641
16902         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant
16903         length argument of 0 for memset.
16904         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
16905         unsigned shift instead of the signed variant.
16906
16907 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
16908
16909         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
16910         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
16911         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
16912         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16913         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
16914         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
16915         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
16916         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
16917         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
16918         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
16919         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
16920         "mul<mode>3", "div<mode>3"): Insn definitions added.
16921         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
16922         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
16923         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
16924         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
16925         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
16926         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
16927         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
16928         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
16929         TARGET_FLOAT_FORMAT): Macro definitions removed.
16930         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
16931         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
16932         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
16933         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
16934         (s390_gen_rtx_const_DI): Function removed.
16935         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
16936
16937 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
16938
16939         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
16940         over an external ffs function.
16941
16942 2007-04-24  Chao-ying Fu  <fu@mips.com>
16943             Richard Sandiford  <richard@nildram.co.uk>
16944
16945         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
16946         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
16947         (smadd_widen_optab, umadd_widen_optab): Define.
16948         * optabs.c (init_optabs): Initialize smadd_widen_optab and
16949         umadd_widen_optab.
16950         * genopinit.c (optabs): Fill in smadd_widen_optab and
16951         umadd_widen_optab.
16952         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
16953         and umadd_widen_optab to implement multiply-add sequences.
16954         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
16955         (<u>maddsidi4): ...this.  Extend condition to include
16956         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
16957         of operand 0 to "ka" and use the three-operand form of madd<u>
16958         for TARGET_DSPR2.
16959         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
16960         to define_expands.
16961         * config/mips/constraints.md (ka): New register constraint.
16962
16963 2007-04-24  Jan Hubicka  <j@suse.cz>
16964
16965         Revert:
16966
16967         2007-04-23  Jan Hubicka  <jh@suse.cz>
16968         * function.c (init_function_start): Don't init line number info.
16969         (expand_function_end): Update.
16970         (reset_block_changes, record_block_change, finalize_block_changes,
16971         check_block_change, free_block_changes): Kill.
16972         * function.h (reset_block_changes, record_block_change,
16973         finalize_block_changes, check_block_change, free_block_changes):
16974         Remove prototypes.
16975         (struct function): Remove ib_boundaries_block.
16976         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
16977         Use curr_insn_locator to initialize locator.
16978         (emit_line_note): Remove.
16979         * cfgexpand.c (expand_gimple_cond_expr): Update.
16980         (construct_exit_block): Likewise.
16981         (tree_expand_cfg): Initialize/finalize locators.
16982         * expr.c (expand_expr_real): Update.
16983         * cfglayout.c (line_locators_locs, line_locators_lines,
16984         file_locators_locs, file_locators_files): Remove.
16985         (set_block_levels): Move to cfgexpand.c.
16986         (insn_locators_initialize): Remove.
16987         (pass_insn_locators_initialize): Remove.
16988         (locations_locators_locs, locations_locators_vals): New static vars.
16989         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
16990         Likewise.
16991         (insn_locators_alloc, insn_locators_finalize,
16992         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
16993         New functions.
16994         (locator_location): New.
16995         (locator_line, locator_file): Rewrite.
16996         * rtl.h (emit_line_note): Kill.
16997         (insn_locators_alloc, insn_locators_finalize,
16998         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
16999         Declare.
17000         * tree-inline.c (initialize_cfun): Do not initialize
17001         ib_boundaries_block.
17002         * passes.c (pass_insn_locators_initialize): Remove.
17003
17004 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
17005
17006         * doc/invoke.texi: Removed leading '-' from option index entries.
17007
17008 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
17009
17010         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
17011         Use phi_nodes_ptr.
17012         (create_phi_node): Use set_phi_nodes.
17013         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
17014         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
17015         (combine_blocks): Use bb_stmt_list and set_bb_stmt_list.
17016         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
17017         (bsi_start, bsi_last): Use bb_stmt_list.
17018         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
17019         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
17020         Traverse the statements using tsi iterator.
17021         * basic-block.h (struct basic_block_def): Fields stmt_list
17022         and phi_nodes moved to ...
17023         (struct tree_bb_info): ... new structure.
17024         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
17025         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
17026         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
17027         (tree_verify_flow_info): Verify that il.tree is not set for
17028         entry and exit block.
17029         (tree_split_block): Use set_bb_stmt_list.
17030
17031 2007-04-23  Mike Stump  <mrs@apple.com>
17032
17033         * config/i386/i386.c (ix86_tune_features
17034         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
17035         nocona and core2.
17036
17037 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
17038
17039         * config/i386/i386.md (prefix_extra): New attribute.
17040         (length): Add prefix_extra.
17041
17042         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
17043         (sse2_movntv2di): Likewise.
17044         (sse2_cvtps2dq): Likewise.
17045         (sse2_cvtpd2pi): Likewise.
17046         (sse2_cvttpd2pi): Likewise.
17047         (*sse2_cvtpd2ps): Likewise.
17048         (*add<mode>3): Likewise.
17049         (sse2_ssadd<mode>3): Likewise.
17050         (sse2_usadd<mode>3): Likewise.
17051         (*sub<mode>3): Likewise.
17052         (sse2_sssub<mode>3): Likewise.
17053         (sse2_ussub<mode>3): Likewise.
17054         (*mulv8hi3): Likewise.
17055         (*smulv8hi3_highpart): Likewise.
17056         (*umulv8hi3_highpart): Likewise.
17057         (sse2_umulv2siv2di3): Likewise.
17058         (sse2_pmaddwd): Likewise.
17059         (ashr<mode>3): Likewise.
17060         (lshr<mode>3): Likewise.
17061         (ashl<mode>3): Likewise.
17062         (sse2_ashlti3): Likewise.
17063         (sse2_lshrti3): Likewise.
17064         (*umaxv16qi3): Likewise.
17065         (*smaxv8hi3): Likewise.
17066         (*uminv16qi3): Likewise.
17067         (*sminv8hi3): Likewise.
17068         (sse2_eq<mode>3): Likewise.
17069         (sse2_gt<mode>3): Likewise.
17070         (*and<mode>3): Likewise.
17071         (sse2_nand<mode>3): Likewise.
17072         (*ior<mode>3): Likewise.
17073         (*xor<mode>3): Likewise.
17074         (sse2_packsswb): Likewise.
17075         (sse2_packssdw): Likewise.
17076         (sse2_packuswb): Likewise.
17077         (sse2_punpckhbw): Likewise.
17078         (sse2_punpcklbw): Likewise.
17079         (sse2_punpckhwd): Likewise.
17080         (sse2_punpcklwd): Likewise.
17081         (sse2_punpckhdq): Likewise.
17082         (sse2_punpckldq): Likewise.
17083         (sse2_punpckhqdq): Likewise.
17084         (sse2_punpcklqdq): Likewise.
17085         (*sse2_pinsrw): Likewise.
17086         (*sse2_pextrw): Likewise.
17087         (sse2_pshufd_1): Likewise.
17088         (sse2_uavgv16qi3): Likewise.
17089         (sse2_uavgv8hi3): Likewise.
17090         (sse2_psadbw): Likewise.
17091         (sse2_pmovmskb): Likewise.
17092         (*sse2_maskmovdqu): Likewise.
17093         (*sse2_maskmovdqu_rex64): Likewise.
17094         (sse4a_extrqi): Likewise.
17095         (sse4a_extrq): Likewise.
17096         (sse3_lddqu): Set prefix_rep.
17097         (sse3_addsubv4sf3): Likewise.
17098         (sse3_haddv4sf3): Likewise.
17099         (sse3_hsubv4sf3): Likewise.
17100         (sse_cvtss2si): Likewise.
17101         (sse_cvtss2si_2): Likewise.
17102         (sse_cvtss2siq): Likewise.
17103         (sse_cvtss2siq_2): Likewise.
17104         (sse_cvttss2si): Likewise.
17105         (sse_cvttss2siq): Likewise.
17106         (sse2_cvttps2dq): Likewise.
17107         (sse3_movshdup): Likewise.
17108         (sse3_movsldup): Likewise.
17109         (sse2_cvtsd2si): Likewise.
17110         (sse2_cvtsd2si_2): Likewise.
17111         (sse2_cvtsd2siq): Likewise.
17112         (sse2_cvtsd2siq_2): Likewise.
17113         (sse2_cvttsd2si): Likewise.
17114         (sse2_cvttsd2siq): Likewise.
17115         (*sse2_cvtpd2dq): Likewise.
17116         (*sse2_cvttpd2dq): Likewise.
17117         (sse2_pshuflw_1): Likewise.
17118         (sse2_pshufhw_1): Likewise.
17119         (sse4a_insertqi): Likewise.
17120         (sse4a_insertq): Likewise.
17121         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
17122         (ssse3_phadddv4si3): Likewise.
17123         (ssse3_phaddswv8hi3): Likewise.
17124         (ssse3_phsubwv8hi3): Likewise.
17125         (ssse3_phsubdv4si3): Likewise.
17126         (ssse3_phsubswv8hi3): Likewise.
17127         (ssse3_pmaddubswv8hi3): Likewise.
17128         (ssse3_pmulhrswv8hi3): Likewise.
17129         (ssse3_pshufbv16qi3): Likewise.
17130         (ssse3_psign<mode>3): Likewise.
17131         (ssse3_palignrti): Likewise.
17132         (abs<mode>2): Likewise.
17133         (ssse3_phaddwv4hi3): Set prefix_extra.
17134         (ssse3_phadddv2si3): Likewise.
17135         (ssse3_phaddswv4hi3): Likewise.
17136         (ssse3_phsubwv4hi3): Likewise.
17137         (ssse3_phsubdv2si3): Likewise.
17138         (ssse3_phsubswv4hi3): Likewise.
17139         (ssse3_pmaddubswv4hi3): Likewise.
17140         (ssse3_pmulhrswv4hi3): Likewise.
17141         (ssse3_pshufbv8qi3): Likewise.
17142         (ssse3_psign<mode>3): Likewise.
17143         (ssse3_palignrdi): Likewise.
17144         (abs<mode>2): Likewise.
17145         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
17146         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
17147         (sse2_pmovmskb): Set mode to SI instead of V2DF.
17148
17149 2007-04-23  Nick Clifton  <nickc@redhat.com>
17150
17151         * params.def: Fix formatting of emacs local variables.
17152
17153 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
17154
17155         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
17156         move if inter-unit move isn't allowed.
17157         Don't split moving the first element of V2DI to DI to inter-unit
17158         move if inter-unit move isn't allowed.
17159
17160 2007-04-23  Richard Guenther  <rguenther@suse.de>
17161
17162         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
17163         and CDI_POST_DOMINATORS separately.
17164
17165 2007-04-23  Nick Clifton  <nickc@redhat.com>
17166
17167         * c.opt (Wformat-contains-nul): Add warning attribute.
17168
17169 2007-04-23  Jan Hubicka  <jh@suse.cz>
17170
17171         * function.c (init_function_start): Don't init line number info.
17172         (expand_function_end): Update.
17173         (reset_block_changes, record_block_change, finalize_block_changes,
17174         check_block_change, free_block_changes): Kill.
17175         * function.h (reset_block_changes, record_block_change,
17176         finalize_block_changes, check_block_change, free_block_changes):
17177         Remove prototypes.
17178         (struct function): Remove ib_boundaries_block.
17179         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
17180         Use curr_insn_locator to initialize locator.
17181         (emit_line_note): Remove.
17182         * cfgexpand.c (expand_gimple_cond_expr): Update.
17183         (construct_exit_block): Likewise.
17184         (tree_expand_cfg): Initialize/finalize locators.
17185         * expr.c (expand_expr_real): Update.
17186         * cfglayout.c (line_locators_locs, line_locators_lines,
17187         file_locators_locs, file_locators_files): Remove.
17188         (set_block_levels): Move to cfgexpand.c.
17189         (insn_locators_initialize): Remove.
17190         (pass_insn_locators_initialize): Remove.
17191         (locations_locators_locs, locations_locators_vals): New static vars.
17192         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
17193         Likewise.
17194         (insn_locators_alloc, insn_locators_finalize,
17195         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
17196         New functions.
17197         (locator_location): New.
17198         (locator_line, locator_file): Rewrite.
17199         * rtl.h (emit_line_note): Kill.
17200         (insn_locators_alloc, insn_locators_finalize,
17201         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
17202         Declare.
17203         * tree-inline.c (initialize_cfun): Do not initialize
17204         ib_boundaries_block.
17205         * passes.c (pass_insn_locators_initialize): Remove.
17206
17207 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17208
17209         PR middle-end/31448
17210         * expr.c (reduce_to_bit_field_precision): Handle
17211         CONST_INT rtx's.
17212
17213 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
17214
17215         PR tree-optimization/24659
17216         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
17217         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
17218         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
17219         * genopinit.c (optabs): Rename vec_pack_mod_optab
17220         to vec_pack_trunc_optab.
17221         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
17222         early for scalar floating point operands for NOP_EXPR.
17223         (vectorizable_type_promotion): Ditto.
17224         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
17225         vec_pack_trunc_optab.
17226         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
17227
17228         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
17229         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
17230         Rename from VEC_PACK_MOD_EXPR.
17231         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
17232         * expr.c (expand_expr_real_1): Ditto.
17233         * tree-inline.c (estimate_num_insns_1): Ditto.
17234         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
17235
17236         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
17237         (vec_unpacks_lo_v4sf): Ditto.
17238         (vec_pack_trunc_v2df): Ditto.
17239         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
17240         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
17241         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
17242
17243         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
17244         vec_pack_mod_v8hi.
17245         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
17246
17247         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
17248         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
17249         packing of floating point operands.
17250         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
17251         represent unpacking of floating point operands.
17252         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
17253         [vec_unpacks_hi]: Ditto.
17254         [vec_unpacks_lo]: Ditto.
17255
17256 2007-04-22  Jan Hubicka  <jh@suse.cz>
17257
17258         * final.c (rest_of_handle_final): Call
17259         targetm.asm_out.constructor/targetm.asm_out.destructor
17260         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
17261         proper priority via decl_*_priority_insert.
17262         * c-common.c (c_expand_body): Likewise.
17263
17264 2007-04-22  Richard Guenther  <rguenther@suse.de>
17265
17266         PR tree-optimization/29789
17267         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
17268         (rewrite_reciprocal): New helper split out from
17269         determine_invariantness_stmt.
17270         (rewrite_bittest): Likewise.
17271         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
17272         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
17273         is not.
17274
17275 2007-04-22  Revital Eres  <eres@il.ibm.com>
17276
17277         * loop-unroll.c (var_to_expand): New field to support also
17278         insns of the form x = something + x.
17279         (analyze_insn_to_expand_var): Use it.
17280         (expand_var_during_unrolling): Likewise.
17281
17282 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
17283
17284         * predict.c: Include pointer-set.h.
17285         (bb_predictions): New variable.
17286         (tree_predicted_by_p, tree_predict_edge,
17287         remove_predictions_associated_with_edge): Use bb_predictions map
17288         instead of bb->predictions.
17289         (clear_bb_predictions, assert_is_empty): New functions.
17290         (combine_predictions_for_bb): Use bb_predictions map.  Call
17291         clear_bb_predictions.
17292         (tree_estimate_probability): Create and free bb_predictions map.
17293         * Makefile.in (predict.o): Add pointer-set.h dependency.
17294         * basic-block.h (struct basic_block_def): Remove predictions
17295         field.
17296         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
17297
17298 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
17299
17300         PR target/31480
17301         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
17302         is null.
17303
17304 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17305
17306         * timevar.c (timevar_print): Change reference of --disable-checking to
17307         --enable-checking=release.  Also warn if assert checking is disabled.
17308
17309 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17310
17311         PR C/30265
17312         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
17313         decl as addressable if the compound literal was marked as
17314         addressable.
17315         Mark the decl as a gimple register if it is a complex or
17316         vector decl and does not live in memory.
17317
17318 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17319
17320         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
17321         (GENERIC_NEXT): New function macro.
17322         (PHI_CHAIN): Use phi_node's new chain variable.
17323         (tree_phi_node): Change tree_common to tree_base
17324         and add the chain field.
17325         * tree-phinodes.c (make_phi_node): Don't set
17326         TREE_TYPE on the new node.
17327         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
17328         instead of checking GIMPLE_TUPLE_P in chain_next.
17329         * tree-vect-transform.c
17330         (get_initial_def_for_induction): Look at
17331         PHI_RESULT_TREE for the type of the phi node.
17332         (update_vuses_to_preheader): Use PHI_CHAIN
17333         instead of TREE_CHAIN on the phi node.
17334         * tree-ssa-structalias.c (compute_points_to_sets):
17335         Likewise.
17336         (ipa_pta_execute): Likewise.
17337
17338 2007-04-21  Richard Guenther  <rguenther@suse.de>
17339
17340         PR middle-end/31136
17341         * fold-const.c (fold_unary): Call fold_convert_const on the
17342         original tree.
17343
17344 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
17345
17346         * gcse.c (store_killed_in_insn): Handle PARALLELs.
17347         (store_killed_in_pat): New.
17348
17349 2007-04-20  Richard Henderson  <rth@redhat.com>
17350
17351         PR target/31628
17352         * config/i386/i386.c (type_has_variadic_args_p): Look for any
17353         TREE_LIST with a void_type_node value, not void_list_node exactly.
17354
17355 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
17356
17357         * doc/standards.texi: Re-arrange into language-specific
17358         subsections. Add a C++ section, documenting which standards we
17359         support.
17360
17361 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
17362
17363         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
17364         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
17365
17366 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
17367
17368         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
17369         ecrti.o and crtbegin.o.
17370         (LIB_DEFAULT_SPEC): Include -lc.
17371         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
17372
17373 2007-04-20  Richard Henderson  <rth@redhat.com>
17374
17375         PR target/28623
17376         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
17377         argument; update all callers.
17378         (get_unaligned_offset): New.
17379         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
17380         get_unaligned_address, just pass on the address directly.
17381         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
17382         the subreg in the helper patterns.
17383         (unaligned_extendqidi_le): Use get_unaligned_offset.
17384         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
17385         (unaligned_extendhidi_be): Likewise.
17386         (unaligned_extendhidi): Tidy.
17387         * config/alpha/alpha-protos.h: Update.
17388
17389 2007-04-20  Richard Henderson  <rth@redhat.com>
17390
17391         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
17392         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
17393         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
17394         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
17395         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
17396         (CPP_SPEC): Don't include %(cpp_subtarget).
17397         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
17398         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
17399         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
17400
17401 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
17402
17403         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
17404         for __builtin_ia32_cmpordss.
17405
17406         PR tree-optimization/31632
17407         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
17408         and arg1 for optimizations of comparison against min/max values.
17409         Fold arg0 to arg1's type for optimizations of comparison against
17410         min+1 and max-1 values.
17411
17412 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
17413
17414         * reload.c (combine_reloads): When trying to use a dying register,
17415         check whether it's uninitialized and don't use if so.
17416
17417 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
17418
17419         * fold-const.c: Remove prototypes for native_encode_expr and
17420         native_interpret_expr.
17421         (native_encode_expr): Make non-static.
17422         (native_interpret_expr): Likewise.
17423         * tree.h: Add prototypes for the above.
17424
17425 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
17426
17427         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
17428         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
17429         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
17430         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
17431         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
17432         Add length attributes.
17433
17434 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
17435
17436         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
17437         not that it is 1.
17438
17439         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
17440         __STDC_WANT_DEC_FP__.
17441
17442 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
17443
17444         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
17445         for long double compatibility.
17446         * configure: Regenerate.
17447
17448 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
17449
17450         PR rtl-optimization/29841
17451         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
17452         trap instructions.
17453         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
17454         that may cause control flow transfer from being moved.
17455
17456 2007-04-18  Jan Hubicka  <jh@suse.cz>
17457
17458         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
17459         types.
17460
17461 2007-04-18  Eric Christopher  <echristo@apple.com>
17462
17463         * config/rs6000/darwin.md (load_macho_picbase): Use link register
17464         only. Update operands.
17465         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
17466         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
17467         link register to pic register.
17468
17469 2007-04-18  Dirk Mueller  <dmueller@suse.de>
17470
17471         PR diagnostic/31227
17472         * tree-vrp.c (search_for_addr_array): New.
17473         (check_array_bounds): Suppress warning about
17474         address taken of array refs if its not de-referenced.
17475
17476 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
17477
17478         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
17479         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
17480
17481         * tree-vectorizer.h (NITERS_KNOWN_P): New.
17482         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
17483         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
17484
17485         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
17486         dump print.
17487         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
17488         print message.
17489         (vect_analyze_scalar_cycles): Fix indentation.
17490         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
17491         (vect_mark_relevant): Include phis in relevance analysis.
17492
17493         * tree-vect-transform.c (vect_transform_loop): Add an assert.
17494
17495 2007-04-18  Anatoly Sokolov <aesok@post.ru>
17496
17497         * config/avr/avr.c (ptrreg_to_str): Replace error() with
17498         output_operand_lossage().
17499
17500 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
17501
17502         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
17503         the unused code for reduction without adjust-in-epilog to simplify the
17504         function.
17505
17506 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
17507
17508         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
17509         (S390_TDC_NEGATIVE_ZERO): New constant.
17510         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
17511         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
17512         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
17513         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
17514         (S390_TDC_POSITIVE_INFINITY): New constant.
17515         (S390_TDC_NEGATIVE_INFINITY): New constant.
17516         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
17517         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
17518         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
17519         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
17520         (S390_TDC_INFINITY): New constant.
17521         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
17522         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
17523         optimization for UNSPEC_CCZ_TO_INT.
17524         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
17525         ("*ccz_to_int"): New insn.
17526         ("isinf<mode>2"): New insn.
17527         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
17528         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
17529         (UNSPEC_CCZ_TO_INT): New constant.
17530
17531 2007-04-18  Richard Guenther  <rguenther@suse.de>
17532
17533         PR tree-optimization/19431
17534         PR tree-optimization/21463
17535         * tree-pass.h (pass_phiprop): Declare.
17536         * passes.c (init_optimization_passes): New phiprop pass.
17537         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
17538         (phivn_valid_p): New helper function.
17539         (phiprop_insert_phi): Likewise.
17540         (propagate_with_phi): Likewise.
17541         (tree_ssa_phiprop): New propagator propagating loads
17542         through phi nodes if profitable.
17543
17544 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
17545
17546         * tree-vect-analyze.c (process_use): New function.
17547         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
17548         Check phis in all bbs.
17549         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
17550         assert.
17551
17552 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
17553
17554         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
17555         we use REG_EQUAL.
17556
17557 2007-04-17  Anatoly Sokolov <aesok@post.ru>
17558
17559         PR target/30483
17560         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
17561         error().
17562
17563 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
17564
17565         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
17566         on "0".
17567         (sse_vmmulv4sf3): Likewise.
17568         (sse2_vmaddv2df3): Likewise.
17569         (sse2_vmmulv2df3): Likewise.
17570
17571 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
17572
17573         PR rtl-optimization/31360
17574         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
17575         (target_reg_cost): New.
17576         (init_set_costs): Initialize target_reg_cost.  Add comments
17577         regarding the rationale of the costs.
17578         (global_cost_for_size): Renamed to...
17579         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
17580         of register pressure.
17581         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
17582         estimate_reg_pressure_cost.  Add number of ivs.
17583         (determine_set_costs): Dump target_reg_cost.
17584         * loop-invariant.c (gain_for_invariant): Use
17585         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
17586         (best_gain_for_invariant, find_invariants_to_move): Remove
17587         n_inv_uses.
17588         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
17589         (target_reg_cost): Declare.
17590         (global_cost_for_size): Declaration removed.
17591         (estimate_reg_pressure_cost): Declare.
17592
17593 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
17594
17595         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
17596         regnos into even/odd register pairs.
17597         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
17598         TDmode similar to the other floating point modes.
17599         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
17600         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
17601         define_expand's.
17602         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
17603         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
17604         (movdd_hardfloat64): Use TARGET_MFPGPR.
17605
17606 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
17607
17608         * reload1.c (delete_output_reload): Don't count output in n_inherited.
17609
17610         Revert
17611         2005-01-05  Richard Henderson  <rth@redhat.com>
17612         PR rtl-opt/10692
17613         * reload1.c (do_input_reload): Restrict the optimization deleteing
17614         a previous output reload to RELOAD_FOR_INPUT.
17615
17616 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
17617
17618         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
17619         induc_vec_info_type.
17620         (vectorizable_induction): New function declaration.
17621         * tree-vect-transform.c (get_initial_def_for_induction): No need to
17622         check if already vectorized.  Find first place in BB where new stmts
17623         can be inserted.  Takes only one argument.
17624         (vectorizable_induction): New function.
17625         (vect_transform_stmt): Add case for induc_vec_info_type to call
17626         vectorizable_induction.
17627         (vect_transform_loop): Consider phis for vectorization.
17628         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
17629         condition.
17630         (analyze_operations): Call vectorizable_induction when analyzing phis.
17631         Fix comment.
17632         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
17633         (vect_mark_relevant): Include phis in relevance analysis.
17634         (vect_mark_stmts_to_be_vectorize): Likewise.
17635         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
17636
17637 2007-04-16  Lawrence Crowl  <crowl@google.com>
17638
17639         * doc/invoke.texi (Debugging Options): Add documentation for the
17640         -femit-struct-debug options -femit-struct-debug-baseonly,
17641         -femit-struct-debug-reduced, and
17642         -femit-struct-debug-detailed[=...].
17643
17644         * c-opts.c (c_common_handle_option): Add
17645         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
17646         and OPT_femit_struct_debug_detailed_.
17647         * c.opt: Add specifications for
17648         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
17649         and -femit-struct-debug-detailed[=...].
17650         * opts.c (set_struct_debug_option): Parse the
17651         -femit-struct-debug-... options.
17652         * opts.c (matches_main_base, main_input_basename,
17653         main_input_baselength, base_of_path, matches_main_base): Add
17654         variables and functions to compare header base name to compilation
17655         unit base name.
17656         * opts.c (should_emit_struct_debug): Add to determine to emit a
17657         structure based on the option.
17658         (dump_struct_debug) Also disabled function to debug this
17659         function.
17660         * opts.c (handle_options): Save the base name of the
17661         compilation unit.
17662
17663         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
17664         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
17665         This hook indicates if a type is generic.  Set it by default
17666         to "never generic".
17667         * langhooks.h (struct lang_hooks_for_types): Add a new hook
17668         to determine if a struct type is generic or not.
17669         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
17670         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
17671         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
17672         with live C++ hook.
17673
17674         * flags.h (enum debug_info_usage): Add an enumeration to describe
17675         a program's use of a structure type.
17676         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
17677         to indicate the program's usage of the type.  Filter structs based
17678         on the -femit-struct-debug-... specification.
17679         (gen_type_die): Split into two routines, gen_type_die and
17680         gen_type_die_with_usage.  gen_type_die is now a wrapper
17681         that assumes direct usage.
17682         (gen_type_die_with_usage): Replace calls to gen_type_die
17683         with gen_type_die_with_usage adding the program usage of
17684         the referenced type.
17685         (dwarf2out_imported_module_or_decl): Suppress struct debug
17686         information using should_emit_struct_debug when appropriate.
17687
17688 2007-04-16  Ian Lance Taylor  <iant@google.com>
17689
17690         PR tree-optimization/31522
17691         * tree-vrp.c (vr_phi_edge_counts): New static variable.
17692         (vrp_initialize): Allocate vr_phi_edge_counts.
17693         (vrp_visit_phi_node): Don't push to infinity if we saw a new
17694         executable edge.  Drop test for all constants.
17695         (vrp_finalize): Free vrp_phi_edge_counts.
17696
17697         * doc/cpp.texi (Common Predefined Macros): Clarify description of
17698         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
17699
17700         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
17701         predecessors at head rather than tail.
17702
17703 2007-04-16  Matthias Klose  <doko@debian.org>
17704
17705         * config/alpha/linux.h (CPP_SPEC): Define.
17706         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
17707
17708 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
17709
17710         * function.h: Remove sequence_stack extern declaration.
17711
17712 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
17713
17714         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
17715         TARGET_FIDOA.
17716         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
17717         defined.
17718
17719 2007-04-16  Anatoly Sokolov <aesok@post.ru>
17720
17721         * config/avr/avr.c (avr_arch_types): Rearranging  array.
17722         (enum avr_arch): Add.
17723         (avr_mcu_types): Use avr_arch enumeration constants instead of
17724         numbers.
17725         * config/avr/avr.h (LINK_SPEC): Simplify.
17726
17727 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
17728
17729         * config/m68k/m68k.c (m68k_libcall_value,
17730         m68k_function_value): Use macros for register names more.
17731
17732         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
17733         instead.
17734         (M68K_REGNAME): Use A6_REG.
17735         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
17736
17737 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
17738
17739         PR middle-end/28071
17740         * sched-int.h (struct deps): Split field 'pending_lists_length' into
17741         'pending_read_list_length' and 'pending_write_list_length'.  Update
17742         comment.
17743         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
17744         to handle two length counters instead of one.  Update all uses.
17745         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
17746         two length counters instead of one.
17747         * sched-rgn.c (propagate_deps): Update to handle two length counters
17748         instead of one.
17749
17750 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
17751
17752         PR target/31582
17753         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
17754         copy of source, pass it to ix86_expand_vector_set and return
17755         it as target.
17756
17757 2007-04-16  David Ung  <davidu@mips.com>
17758             Joseph Myers  <joseph@codesourcery.com>
17759
17760         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
17761         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
17762         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
17763         Add 74K processor information.
17764         * config/mips/mips.md: Include 74k.md.
17765         (cpu): Add 74kc,74kf,74kx.
17766         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
17767         * config/mips/74k.md: New.
17768         * doc/invoke.texi (MIPS Options): Document 74K support.
17769
17770 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
17771
17772         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
17773         vectorizable_* functions.
17774         * tree-vect-transform.c (vectorizable_call): Add check for
17775         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
17776         (vectorizable_store): likewise.
17777         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
17778         Add comments.
17779         (vectorizable_operation, vectorizable_type_demotion): Likewise.
17780         (vectorizable_type_promotion, vectorizable_load): Likewise.
17781         (vectorizable_live_operation, vectorizable_condition): Likewise.
17782         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
17783         STMT_VINFO_LIVE_P.
17784         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
17785
17786 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
17787
17788         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
17789         register numbers more.
17790         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
17791         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
17792         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
17793         FUNCTION_VALUE_REGNO_P): Likewise.
17794         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
17795         STATIC_CHAIN_REGNUM): Likewise.
17796         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
17797         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
17798         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
17799         * config/m68k/m68k.md (FP_REG): New.
17800
17801 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
17802
17803         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
17804         alignment on fido.
17805
17806 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
17807
17808         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
17809         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
17810         comment typos.
17811
17812 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
17813
17814         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
17815         cold loops.
17816
17817 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17818
17819         PR c/31520
17820         * c-decl.c (finish_decl): Grab the type of the decl after the call
17821         to store_init_value.
17822
17823 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
17824
17825         * common.opt (fforward-propagate): Fix "Optimization" annotation.
17826
17827 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
17828
17829         PR c++/25874
17830         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free
17831         dominators, post dominators and cleanup cfg before returning.
17832
17833 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
17834
17835         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
17836         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
17837
17838 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
17839
17840         * config.gcc: Recognize fido.
17841         * config/m68k/m68k-devices.def (fidoa): New.
17842         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
17843         __mfido__.
17844         (FL_FIDOA, TARGET_FIDOA): New.
17845         * config/m68k/m68k.opt (mfidoa): New.
17846
17847 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17848
17849         PR middle-end/31322
17850         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
17851         when a personality function is used.
17852
17853 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
17854
17855         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
17856
17857 2007-04-13  Mike Stump  <mrs@apple.com>
17858
17859         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
17860         we can...
17861         * config/darwin.opt (fapple-kext): Make C++ only.
17862         * config/darwin.c (darwin_override_options): Remove code to ensure
17863         -fapple-kext is given for C++ only.
17864
17865 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
17866
17867         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
17868         * config/mips/mips.c (override_options): Call
17869         SUBTARGET_OVERRIDE_OPTIONS, if defined.
17870
17871 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
17872
17873         * config/i386/i386.opt (msvr3-shlib): Removed.
17874
17875         * doc/invoke.texi: Remove -msvr3-shlib.
17876
17877 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
17878
17879         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
17880         with "popcnt" instruction.
17881
17882 2007-04-13  Richard Guenther  <rguenther@suse.de>
17883
17884         PR tree-optimization/21258
17885         * tree-vrp.c (compare_case_labels): New helper.
17886         (find_switch_asserts): New function.
17887         (find_assert_locations): Call it for SWITCH_EXPRs.
17888
17889 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
17890
17891         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
17892         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
17893         check is now implied in X87_FLOAT_MODE_P.
17894         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
17895         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
17896         (fix_trunc<mode>_i386_fisttp): Ditto.
17897         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
17898         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
17899         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
17900         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
17901         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
17902         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
17903         (unnamed_splitters): Ditto.
17904         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
17905         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
17906         FIRST_SSE_REG for local functions when SSE math is enabled or
17907         for functions with sseregparm attribute.
17908         (standard_80387_constant_p): Return -1 if mode is not
17909         X87_FLOAT_MODE_P.
17910         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
17911         (ix86_expand_compare): Ditto.
17912         (ix86_expand_carry_flag_compare): Ditto.
17913         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
17914         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
17915         DECIMAL_FLOAT_MODE_P.
17916         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
17917         of SCALAR_FLOAT_MODE_P.
17918         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
17919         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
17920         checks before FLOAT_MODE_P.
17921         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
17922         before FLOAT_MODE_P.
17923         [DIV]: Ditto.
17924         [NEG]: Ditto.
17925         [ABS]: Ditto.
17926         [SQRT]: Ditto.
17927         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
17928
17929 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
17930             Charles Wilson  <libtool@cwilson.fastmail.fm>
17931
17932         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
17933         (libgcc.mvars): Don't depend on them.
17934         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
17935         * exec-tool.in: New.
17936
17937 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
17938
17939         * doc/invoke.text (--help): Document --help=common.
17940
17941 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
17942
17943         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
17944
17945 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
17946
17947         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
17948         * genemit.c (main): Emit #include "integrate.h".
17949         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
17950         (LOADGP_RTP): New mips_loadgp_style.
17951         * config/mips/mips.h: Include config/vxworks-dummy.h.
17952         (TARGET_RTP_PIC): New macro.
17953         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
17954         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
17955         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
17956         for TARGET_RTP_PIC.
17957         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
17958         -mvxworks-pic when using -mrtp and a PIC option.
17959         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
17960         for RTP PIC.
17961         (mips_symbolic_constant_p, mips_symbolic_address_p)
17962         (mips_symbol_insns): Handle SYMBOL_HALF.
17963         (override_options): Warn about -G and -mrtp being used together.
17964         Initialize mips_lo_relocs[SYMBOL_HALF].
17965         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
17966         (mips_emit_loadgp): Handle LOADGP_RTP.
17967         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
17968         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
17969         (tablejump): Handle function-relative case table entries if
17970         TARGET_RTP_PIC.
17971         * config/mips/predicates.md (symbol_ref_operand): New predicate.
17972
17973 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
17974
17975         * config/mips/mips.md (load_call<mode>): Allow any general register.
17976         destination.
17977         (sibcall_value_internal, sibcall_value_multiple_internal)
17978         (call_value_internal, call_value_split, call_value_multiple_internal)
17979         (call_value_multiple_split): Remove constraints from operand 0.
17980
17981 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
17982
17983         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
17984         rather than loadgp_noshared.
17985         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
17986         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
17987         gen_loadgp.
17988         * config/mips/mips.md (loadgp): Rename to...
17989         (loadgp_newabi): ...this.
17990         (loadgp_noshared): Rename to...
17991         (loadgp_absolute): ...this.
17992
17993 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
17994
17995         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
17996         false for locally-binding symbols.
17997         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
17998
17999 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18000
18001         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
18002         (SYMBOL_GOT_PAGE_OFST): ...this.
18003         (SYMBOL_GOT_GLOBAL): Rename to...
18004         (SYMBOL_GOT_DISP): ...this.
18005         (SYMBOL_GOTOFF_GLOBAL): Rename to...
18006         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
18007         * config/mips/mips.c (mips_global_symbol_p): New function.
18008         (mips_symbol_binds_local_p): Likewise.
18009         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
18010         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use
18011         mips_global_symbol_p and mips_symbol_binds_local_p.
18012         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
18013         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
18014         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
18015         SYMBOL_GOTOFF_DISP.
18016         (mips_ok_for_lazy_binding_p): New function.
18017         (mips_load_call_address, mips_expand_call): Use it.
18018         (mips_dangerous_for_la25_p): Likewise.
18019         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
18020         (*got_disp<mode>): Use got_disp_operand instead of
18021         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
18022         SYMBOL_GOTOFF_GLOBAL.
18023         (*got_page<mode>): Use got_page_ofst_operand instead of
18024         local_got_operand.
18025         * config/mips/predicates.md (const_call_insn_operand): Use
18026         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
18027         (global_got_operand): Rename to...
18028         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
18029         SYMBOL_GOT_GLOBAL.
18030         (local_got_operand): Rename to...
18031         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
18032         of SYMBOL_GOT_LOCAL.
18033
18034 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18035
18036         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
18037         TARGET_CALL_CLOBBERED_GP.
18038         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
18039         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
18040         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
18041         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
18042         of TARGET_ABICALLS && !TARGET_NEWABI.
18043         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
18044         * config/mips/mips.c (mips_load_call_address): Check
18045         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
18046         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
18047         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
18048         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
18049         TARGET_ABICALLS && TARGET_NEWABI.
18050         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
18051         TARGET_ABICALLS.
18052         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
18053         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
18054         TARGET_ABICALLS && TARGET_NEWABI.
18055         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
18056         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
18057         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
18058         whether indirect calls must use $25.
18059         (mips_extra_live_on_entry): Check TARGET_GOT instead of
18060         TARGET_ABICALLS.
18061         * config/mips/mips.md (jal_macro): Check flag_pic and
18062         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
18063         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
18064         instead of TARGET_ABICALLS.
18065         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
18066         TARGET_ABICALLS && TARGET_OLDABI.
18067         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
18068         (sibcall): In the comment above the define_insn, mention
18069         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
18070         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
18071         instead of TARGET_ABICALLS.
18072
18073 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
18074
18075         * doc/md.texi (Blackfin family constraints): Document PA and PB.
18076         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
18077         (MACFLAGS_MATCH_P): New macro.
18078         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
18079         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
18080         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
18081         the other MACFLAG constants.
18082         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
18083         (flag_machi): Tighten constraints.  Renumber some of the operands.
18084         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
18085         output template.
18086         (flag_machi_parts_acconly): New pattern.
18087         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
18088         used.
18089         (flag_macinit1hi): Tighten constraints.
18090         (flag_mul_macv2hi_parts_acconly): New pattern.
18091
18092         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
18093         Use a more efficient implementation.
18094         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
18095         inline sequences when not optimizing for size.
18096
18097         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
18098         movhi_high2low): Delete, merge functionality into...
18099         (packv2hi): ... this pattern.
18100
18101         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
18102         * config/bfin/bfin.opt (msim): New option.
18103         (mcpu=): New option.
18104         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
18105         (bfin_cpu_t): Typedef of enum bfin_cpu.
18106         (bfin_cpu_type): New declaration.
18107         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
18108         -msim and -mcpu= options.
18109         (LIB_SPEC): Likewise.
18110         * config/bfin/bfin.c (bfin_cpu_type): Define.
18111         (bfin_handle_option): Handle -mcpu= option.
18112         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
18113         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
18114         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
18115
18116 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18117
18118         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
18119         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
18120         (powerpc-wrs-vxworksae): Use ${tm_file}.
18121         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
18122         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
18123         * config/i386/vx-common.h: New file.
18124
18125 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18126
18127         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
18128         of crt0.o%s.
18129
18130 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
18131
18132         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
18133         ldxtr.
18134
18135 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
18136
18137         PR c++/31078
18138         PR c++/31103
18139         * c-common.c (c_build_qualified_type): Set canonical type
18140         appropriately.
18141
18142 2007-04-12  Richard Guenther  <rguenther@suse.de>
18143
18144         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
18145         lower bound and element size if lower bound is not zero
18146         or either of the ARRAY_REF operands is set.
18147
18148 2007-04-12  Richard Guenther  <rguenther@suse.de>
18149
18150         PR tree-optimization/24689
18151         PR tree-optimization/31307
18152         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
18153         indices by value.
18154         * gimplify.c (canonicalize_addr_expr): To be consistent with
18155         gimplify_compound_lval only set operands two and three of
18156         ARRAY_REFs if they are not gimple_min_invariant.  This makes
18157         it never at this place.
18158         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
18159
18160 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18161
18162         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
18163         null before emitting a .nsubspa directive.
18164
18165 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
18166
18167         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
18168         need_to_partition_p if there are no memory statements in the
18169         function.
18170
18171 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
18172
18173         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
18174         (gcd_of_steps_may_divide_p): New function.
18175         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
18176
18177 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
18178
18179         * reload.c (find_reloads_toplev, find_reloads_address,
18180         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
18181         not a pointer equality test, to decide if we need to call
18182         push_reg_equiv_alt_mem.
18183
18184 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
18185
18186         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
18187         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps):
18188         New.
18189         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
18190
18191 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
18192
18193         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
18194         vector to be positive.
18195
18196 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
18197
18198         PR 30735
18199         PR 31090
18200         * doc/invoke.texi: Document --params max-aliased-vops and
18201         avg-aliased-vops.
18202         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
18203         debug_memory_partitions): Move to tree-flow.h
18204         * params.h (AVG_ALIASED_VOPS): Define.
18205         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
18206         users.
18207         (mp_info_t): Likewise.
18208         (get_mem_sym_stats_for): New.
18209         (set_memory_partition): Move from tree-flow-inline.h.
18210         (mark_non_addressable): Only clear the set of symbols for the
18211         partition if it exists.
18212         (dump_memory_partitions): Move from tree-ssa-operands.c
18213         (debug_memory_partitions): Likewise.
18214         (need_to_partition_p): New.
18215         (dump_mem_ref_stats): New.
18216         (debug_mem_ref_stats): New.
18217         (dump_mem_sym_stats): New.
18218         (debug_mem_sym_stats): New.
18219         (update_mem_sym_stats_from_stmt): New.
18220         (compare_mp_info_entries): New.
18221         (mp_info_cmp): Call it.
18222         (sort_mp_info): Change argument to a list of mem_sym_stats_t
18223         objects.
18224         (get_mpt_for): Move from tree-ssa-operands.c.
18225         (find_partition_for): New.
18226         (create_partition_for): Remove.
18227         (estimate_vop_reduction): New.
18228         (update_reference_counts): New.
18229         (build_mp_info): New.
18230         (compute_memory_partitions): Refactor.
18231         Document new heuristic.
18232         Call build_mp_info, update_reference_counts,
18233         find_partition_for and estimate_vop_reduction.
18234         (compute_may_aliases): Populate virtual operands before
18235         calling debugging dumps.
18236         (delete_mem_sym_stats): New.
18237         (delete_mem_ref_stats): New.
18238         (init_mem_ref_stats): New.
18239         (init_alias_info): Call it.
18240         (maybe_create_global_var): Remove alias_info argument.
18241         Get number of call sites and number of pure/const call sites
18242         from gimple_mem_ref_stats().
18243         (dump_alias_info): Call dump_memory_partitions first.
18244         (dump_points_to_info_for): Show how many times a pointer has
18245         been dereferenced.
18246         * opts.c (decode_options): For -O2 set --param
18247         max-aliased-vops to 500.
18248         For -O3 set --param max-aliased-vops to 1000 and --param
18249         avg-aliased-vops to 3.
18250         * fortran/options.c (gfc_init_options): Remove assignment to
18251         MAX_ALIASED_VOPS.
18252         * tree-flow-inline.h (gimple_mem_ref_stats): New.
18253         * tree-dfa.c (dump_variable): Dump memory reference
18254         statistics.
18255         Dump NO_ALIAS* settings.
18256         (referenced_var_lookup): Tidy.
18257         (mem_sym_stats): New.
18258         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
18259         and ORIG are different SSA names for a memory partition.
18260         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
18261         * tree-flow.h (struct mem_sym_stats_d): Define.
18262         (mem_sym_stats_t): Define.
18263         (struct mem_ref_stats_d): Define.
18264         (struct gimple_df): Add field mem_ref_stats.
18265         (enum noalias_state): Define.
18266         (struct var_ann_d): Add bitfield noalias_state.
18267         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
18268         debug_mem_ref_stats, debug_memory_partitions,
18269         debug_mem_sym_stats): Declare.
18270         * tree-ssa-structalias.c (update_alias_info): Update call
18271         sites, pure/const call sites and asm sites in structure
18272         returned by gimple_mem_ref_stats.
18273         Remove local variable IS_POTENTIAL_DEREF.
18274         Increase NUM_DEREFS if the memory expression is a potential
18275         dereference.
18276         Call update_mem_sym_stats_from_stmt.
18277         If the memory references memory, call
18278         update_mem_sym_stats_from_stmt for all the direct memory
18279         symbol references found.
18280         (intra_create_variable_infos): Set noalias_state field for
18281         pointer arguments according to the value of
18282         flag_argument_noalias.
18283         * tree-ssa-structalias.h (struct alias_info): Remove fields
18284         num_calls_found and num_pure_const_calls_found.
18285         (update_mem_sym_stats_from_stmt): Declare.
18286         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
18287         Set default value to 100.
18288         (PARAM_AVG_ALIASED_VOPS): Define.
18289
18290 2007-04-11  Richard Guenther  <rguenther@suse.de>
18291
18292         PR middle-end/31530
18293         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
18294         a * -b + c as c - a * b if we honor sign dependent rounding.
18295
18296 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
18297
18298         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
18299         bfin_expand_strmov.
18300         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
18301         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
18302         variables.
18303         (initialize_trampoline): Don't use old-style function definition.
18304         (bfin_secondary_reload): Mark IN_P argument as unused.
18305
18306 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
18307
18308         PR tree-optimization/31343
18309         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
18310         (build_polynomial_chrec): Return a scalar when the evolution is zero.
18311         * testsuite/gcc.dg/vect/pr31343.c: New.
18312
18313 2007-04-10  Eric Christopher  <echristo@apple.com>
18314
18315         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
18316         * config/i386/i386.md (*cmpfp0): Use.
18317         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
18318         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
18319         (fix_trunc<mode>_i386_fisttp): Ditto.
18320         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
18321         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
18322         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
18323         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
18324         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
18325         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
18326         (unnamed_splitters): Ditto.
18327         * config/i386/i386.c (output_fix_trunc): Assert that
18328         we're not being passed a TFmode operand.
18329
18330 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
18331
18332         PR tree-optimization/31526
18333         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
18334         n_basic_blocks to find newly added blocks.
18335
18336 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
18337
18338         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
18339         alternative.
18340         (fix_trunc<mode>si_sse): Ditto.
18341         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
18342         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
18343         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
18344         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
18345         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
18346         expander using SSEMODEF mode macro.
18347         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
18348         expander using SSEMODEF mode macro.
18349         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
18350         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
18351         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
18352         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
18353         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
18354         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
18355         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
18356         Macroize insn using X87MODEF mode macro.
18357
18358 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
18359
18360         * config/i386/sse.md (sse2_pinsrw): Removed.
18361         (sse2_pextrw): Renamed to ...
18362         (*sse2_pextrw): This.
18363
18364 2007-04-09  Jan Hubicka  <jh@suse.cz>
18365
18366         PR target/27869
18367         * config/i386/sse.md
18368         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
18369         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
18370         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
18371         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
18372
18373 2007-04-09  Jan Hubicka  <jh@suse.cz>
18374
18375         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
18376         multiple fields of union.
18377
18378 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
18379
18380         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
18381         (create_preheaders): Check that loops are available.
18382         (fix_loop_structure): Clean up, improve comments.
18383         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
18384         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
18385         state flags.
18386         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
18387         * predict.c (tree_estimate_probability): Do not call
18388         calculate_dominance_info.  Call create_preheaders.
18389         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
18390         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
18391         flags.
18392         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
18393         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
18394         * tree-cfg.c (tree_split_edge): Make an assert more precise.
18395         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
18396         arguments.
18397
18398 2007-04-08  Jan Hubicka  <jh@suse.cz>
18399
18400         * tree.h (maybe_fold_offset_to_component_ref): Declare.
18401         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
18402         * fold-const.c (fold_unary): Use it.
18403
18404 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18405
18406         * varasm.c (assemble_variable): Remove call to
18407         lang_hooks.decls.prepare_assemble_variable.
18408         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
18409         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
18410         * langhooks.h (lang_hooks_for_decls): Remove
18411         prepare_assemble_variable.
18412
18413 2007-04-08  Mike Stump  <mrs@apple.com>
18414
18415         * config/i386/i386.c: Use inc/dec on Core2.
18416
18417 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
18418
18419         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
18420         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
18421         lhd_tree_inlining_end_inlining): Remove.
18422         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
18423         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
18424         end_inlining hooks.
18425         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
18426         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
18427         lhd_tree_inlining_end_inlining): Remove prototypes.
18428         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
18429         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
18430         LANG_HOOKS_TREE_INLINING_START_INLINING,
18431         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
18432
18433         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
18434         not set it.
18435
18436 2007-04-08  Anatoly Sokolov <aesok@post.ru>
18437
18438         PR target/29932
18439         * config/avr/predicates.md (io_address_operand): Delete predicate.
18440         (low_io_address_operand): Don't use 'mode' argument.
18441         (higth_io_address_operand): Rename ...
18442         (high_io_address_operand): ... to this. Don't use 'mode' argument.
18443         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
18444         for above change.
18445
18446 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
18447
18448         Revert change removing staticp.
18449
18450 2007-04-07  Anatoly Sokolov <aesok@post.ru>
18451
18452         PR target/30289
18453         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
18454         earlyclobber.
18455
18456 2007-04-07  Bruce Korb  <bkorb@gnu.org>
18457
18458         * c.opt: Add -Wformat-contains-nul.
18459         * c-format.c (set_Wformat): Set warn_format_contains_nul to the
18460           -Wformat setting.
18461         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
18462         the NUL byte warning.
18463
18464 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
18465
18466         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
18467
18468 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
18469
18470         * tree.c (staticp): No longer use staticp langhook.
18471         * langhooks.c (lhd_staticp): Removed.
18472         * langhooks.h (struct lang_hooks): Remove staticp.
18473         * c-common.c (c_staticp): Remove.
18474         * c-common.h (c_staticp): Ditto.
18475         * langhooks-defs.h (lhd_staticp): Ditto.
18476         (LHD_HOOKS_STATICP): Ditto
18477         * tree.h (gcc_assert_lowered): New macro.
18478
18479 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
18480
18481         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
18482         argument "reliable".
18483         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
18484         Add argument "reliable".  Propagate it through calls.
18485         (infer_loop_bounds_from_undefined): Derive number of iterations
18486         estimates from references in blocks that do not dominate loop latch.
18487         (gcov_type_to_double_int): New function.
18488         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
18489         and expected_loop_iterations_unbounded.
18490         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
18491         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
18492         * tree-data-ref.c (estimated_loop_iterations): Export.
18493         (get_references_in_stmt): Fix -- do not return addresses of local
18494         objects.
18495         * cfgloop.h (expected_loop_iterations_unbounded,
18496         estimated_loop_iterations): Declare.
18497
18498 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
18499
18500         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
18501
18502 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
18503
18504         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
18505         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
18506         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
18507         Use output_387_reg_move().
18508         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
18509         expander using X87MODEF12 mode macro.
18510         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
18511         choosing register preferences.  Use output_387_reg_move().
18512         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
18513         instead of "x".  Use output_387_reg_move().
18514         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
18515         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
18516         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
18517         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
18518         Use output_387_reg_move().
18519         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
18520         mode macro.
18521         (*truncxf?f_i387 splitter): Ditto.
18522
18523 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
18524
18525         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
18526         LANG_HOOKS_SAFE_FROM_P.
18527         * expr.c (safe_from_p): Remove langhook call.
18528         * langhooks.h (lang_hooks): Remove safe_from_p.
18529         (lhd_safe_from_p): Remove prototype.
18530         * langhooks.c (lhd_safe_from_p): Remove.
18531
18532 2007-04-06  Jan Hubicka  <jh@suse.cz>
18533
18534         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
18535         functions.
18536
18537 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
18538
18539         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
18540         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
18541         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
18542         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
18543         alternative.
18544         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
18545         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
18546
18547 2007-04-05  Richard Henderson  <rth@redhat.com>
18548
18549         * config/alpha/alpha.c (print_operand) [+]: Remove.
18550         (alpha_end_function): Print nop if call at end of function.
18551         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
18552         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
18553         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
18554         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
18555         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
18556         the call pattern. Update peepholes to match.
18557
18558 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
18559
18560         * doc/extend.texi (Other Builtins): Add decimal float variants
18561         of signbit.
18562         * builtins.def: Ditto.
18563         * builtins.c (expand_builtin): Ditto.
18564
18565 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
18566             H.J. Lu  <hongjiu.lu@intel.com>
18567
18568         PR target/31478
18569         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
18570         of V8HImode when calling ix86_binary_operator_ok.
18571         (sse2_pmaddwd): Call ix86_binary_operator_ok.
18572         (sdot_prodv8hi): Operands 1 and 2 must be register.
18573
18574 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
18575
18576         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
18577         initialize align to silence bogus warning.
18578
18579 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
18580
18581         PR middle-end/22156
18582         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
18583         all_no_warning.
18584         (struct sra_walk_fns): Remove use_all parameter from use.
18585         (sra_hash_tree): Handle BIT_FIELD_REFs.
18586         (sra_elt_hash): Don't hash bitfld blocks.
18587         (sra_elt_eq): Skip them in parent compares as well.  Handle
18588         BIT_FIELD_REFs.
18589         (sra_walk_expr): Don't maintain or pass down use_all_p.
18590         (scan_use): Remove use_all parameter.
18591         (scalarize_use): Likewise.  Re-expand assignment to
18592         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
18593         output, and re-scalarize after output.  Don't mark anything
18594         for no warning.
18595         (scalarize_ldst): Adjust.
18596         (scalarize_walk_gimple_modify_statement): Likewise.
18597         (build_element_name_1): Handle BIT_FIELD_REFs.
18598         (instantiate_element): Don't warn for any element whose parent
18599         is used as a whole.
18600         (instantiate_missing_elements_1): Return the sra_elt.
18601         (canon_type_for_field): New.
18602         (try_instantiate_multiple_fields): New.
18603         (instantiate_missing_elemnts): Use them.
18604         (mark_no_warning): Removed.
18605         (generate_one_element_ref): Handle BIT_FIELD_REFs.
18606         (REPLDUP, sra_build_elt_assignment): New.
18607         (generate_copy_inout): Use them.
18608         (generate_element_copy): Likewise.  Handle bitfld differences.
18609         (generate_element_zero): Don't recurse for blocks.  Use
18610         sra_build_elt_assignment.
18611         (generate_one_element_int): Take elt instead of var.  Use
18612         sra_build_elt_assignment.
18613         (generate_element_init_1): Adjust.
18614         (scalarize_use, scalarize_copy): Use REPLDUP.
18615         (scalarize_ldst): Move assert before dereference.
18616         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
18617
18618 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
18619
18620         * regmove.c: Fix unused variable warnings due to previous commit.
18621
18622 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
18623
18624         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
18625         (regmove_bb_head): Remove.
18626         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
18627         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
18628         problems with fixup_match_1.
18629         Don't initialize/free regmove_bb_head.
18630
18631         (reg_is_remote_constant_p): If an insn is in the same basic block
18632         but not before INSN, consider it remote, too.
18633
18634 2007-04-05  Anatoly Sokolov <aesok@post.ru>
18635
18636         PR target/25448
18637         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
18638         DECL_ASSEMBLER_NAME, not the DECL_NAME.
18639
18640 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
18641
18642         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
18643         (CONDITIONAL_REGISTER_USAGE): Likewise.
18644
18645 2007-04-04  Richard Henderson  <rth@redhat.com>
18646
18647         * config/alpha/lib1funcs.asm: Remove unused file.
18648
18649 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
18650
18651         PR other/31356
18652         * opts.c (print_specific_help): Fix --help=<language>
18653         header line.
18654         (common_handle_option): Support --help=common.
18655
18656 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
18657
18658         PR other/31353
18659         * gcc.c (main): Do not run the linker if
18660         print_subprocess_help indicates that it shouldn't be
18661         run.
18662
18663 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
18664
18665         PR doc/31355
18666         * doc/invoke.texi (--help=): Document <languages> value, fix
18667         formatting in tables of values.
18668
18669 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
18670
18671         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
18672         dllimport attribute of virtual methods.
18673
18674 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
18675
18676         * config/score/crti.asm: Change _bss_start to __bss_start.
18677         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
18678         (OUTGOING_REG_PARM_STACK_SPACE) update.
18679         * config/score/score.opt: add options to make backend support
18680         score5, score5u, score7 and score7d.
18681         * config/score/score.md: Likewise.
18682         * config/score/misc.md: Likewise.
18683         * config/score/mac.md: Likewise.
18684         * doc/invoke.texi: Likewise.
18685         * doc/md.texi: update constraints define.
18686
18687 2007-04-03  Richard Henderson  <rth@redhat.com>
18688
18689         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
18690         an appropriate type, use the mode instead.
18691
18692 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
18693
18694         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
18695         Set the default --with-arch setting to mips2.
18696         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
18697         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
18698         (MULTILIB_OSDIRNAMES): Delete.
18699         (MULTILIB_DIRNAMES): Define.
18700         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
18701         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
18702         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
18703         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
18704         VXWORKS_OS_CPP_BUILTINS.
18705         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
18706         (MIPS_DEBUGGING_INFO): Undefine.
18707         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
18708
18709 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
18710
18711         PR middle-end/30704
18712         * fold-const.c (native_encode_real): Encode real.c provided longs
18713         as a series of 32-bit native integers.
18714         (native_interpret_real): Interpret buffer as a series of 32-bit
18715         native integers.
18716
18717 2007-04-03  Richard Guenther  <rguenther@suse.de>
18718
18719         * genpreds.c (write_insn_constraint_len): Write function
18720         optimized for CONSTRAINT_LEN implementation.
18721         (write_tm_preds_h): Output insn_constraint_len inline and
18722         use it for CONSTRAINT_LEN.
18723         (write_insn_preds_c): Don't output insn_constraint_len.
18724         * doc/md.texi (define_register_constraint): Document multi-letter
18725         constraints shall have the same length if they start with the same
18726         letter.
18727
18728 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
18729
18730         PR target/31175
18731         * config/i386/i386.md (isinf<mode>2): Expand only when
18732         TARGET_C99_FUNCTIONS is set.
18733
18734 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
18735
18736         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
18737         (x86_64-*-linux*): Ditto.
18738         * config/i386/i386.opt (mpc): New option.
18739         * config/i386/i386.c (overrride_options): Handle
18740         ix87_precision_string.
18741         * config/i386/crtprec.c: New file.
18742         * config/i386/t-crtpc: Ditto.
18743         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
18744         and -mpc80 options.
18745         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
18746         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
18747         crtprec32.o, crtprec64.o and crtprec80.o.
18748
18749         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
18750         and -mpc80 options.
18751         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
18752
18753 2007-04-02  Eric Christopher  <echristo@apple.com>
18754
18755         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
18756         limitations on darwin.
18757
18758 2007-04-02  Anatoly Sokolov <aesok@post.ru>
18759
18760         PR target/31137
18761         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
18762
18763 2007-04-02  Dave Korn  <dave.korn@artimi.com>
18764
18765         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
18766
18767 2007-04-02  Dave Korn  <dave.korn@artimi.com>
18768
18769         * libgcc2.h (exception_descriptor): Don't forward-declare.
18770         (__get_eh_table_language, __get_eh_table_version): Delete
18771         prototypes of long-dead functions.
18772
18773 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
18774
18775         * ebitmap.h: New file
18776         * ebitmap.c: New file
18777         * Makefile.in (ebitmap.o): New target.
18778
18779 2007-04-01  Jan Hubicka  <jh@suse.cz>
18780
18781         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
18782         before very first instruction.
18783
18784 2007-04-01  Jan Hubicka  <jh@suse.cz>
18785
18786         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
18787         waring on 64bit hosts.
18788         * bitmap.h: Fix typo in bitmap_head_def.
18789
18790 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
18791
18792         PR rtl-optimization/31391
18793         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
18794         into a DELETED_LABEL note, and the label is in an empty basic
18795         block, update BB_END as well as BB_HEAD.
18796
18797 2007-04-01  Richard Henderson  <rth@redhat.com>
18798
18799         PR tree-optimization/31169
18800         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
18801         to varying if the range is outside [0,  prec-1].
18802
18803 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
18804
18805         PR target/31388
18806         * config/mips/mips.md (load_const_gp): New insn.
18807         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
18808         the MIPS16 GP pseudo register if no_new_pseudos.
18809         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
18810
18811 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18812
18813         PR target/31364
18814         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
18815         secureplt.
18816         (call_value): Likewise.
18817
18818 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
18819             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18820
18821         PR 14737
18822         * doc/invoke.texi: (optimization options): Reword description
18823         of -ffast-math. Document its primary purpose.
18824
18825 2007-03-31  Richard Guenther  <rguenther@suse.de>
18826
18827         * omp-low.c (splay-tree.h): Include.
18828         (lookup_decl): Replace splay-tree usage by pointer-map.
18829         (maybe_lookup_decl): Likewise.
18830         (new_omp_context): Likewise.
18831         (delete_omp_context): Likewise.
18832         * gimplify.c (splay-tree.h): Include.
18833         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
18834         pointer-map.
18835         (remap_ssa_name): Likewise.
18836         (remap_decl): Likewise.
18837         (remap_type_1): Likewise.
18838         (remap_type): Likewise.
18839         (copy_body_r): Likewise.
18840         (expand_call_inline): Likewise.
18841         (clone_body): Likewise.
18842         (copy_tree_r): Likewise.
18843         (remap_save_expr): Likewise.
18844         (unsave_r): Likewise.
18845         (unsave_expr_now): Likewise.
18846         (tree_function_versioning): Likewise.
18847         (build_duplicate_type): Likewise.
18848         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
18849         (struct copy_body_data): Replace splay-tree by pointer-map.
18850         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
18851         not $(SPLAY_TREE_H).
18852         (gimplify.o): Depend on $(SPLAY_TREE_H).
18853         (omp-low.p): Likewise.
18854
18855 2007-03-31  Anatoly Sokolov <aesok@post.ru>
18856
18857         * config/avr/predicates.md (even_register_operand,
18858         odd_register_operand): New predicates.
18859         * config/avr/avr.md (movw peephole2): New.
18860         (movw_r peephole2): New.
18861
18862 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
18863
18864         * tree.h (get_signed_or_unsigned_type): New.
18865         * fold-const.c (operand_equal_for_comparison_p): Use
18866         get_signed_or_unsigned_type instead of
18867         lang_hooks.types.signed_or_unsigned_type.
18868         * expr.c (store_expr): Ditto.
18869         * langhooks.c (get_signed_or_unsigned_type): New.
18870         (lhd_signed_or_unsigned_type): New.
18871         * langhooks.h (lhd_signed_or_unsigned_type): New.
18872         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
18873
18874 2007-03-30  Richard Henderson  <rth@redhat.com>
18875
18876         * tree-ssa-loop-ivopts.c: Include target.h.
18877         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
18878         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
18879         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
18880         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
18881
18882 2007-03-30  Richard Henderson  <rth@redhat.com>
18883             Kai Tietz  <kai.tietz@onevision.com>
18884
18885         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
18886         default for 64-bit.
18887         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
18888         (TARGET_64BIT_MS_ABI): New.
18889         (DBX_REGISTER_NUMBER): Handle 64-bit.
18890         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
18891         (LONG_TYPE_SIZE): Force to 32.
18892         (REG_PARM_STACK_SPACE): New.
18893         (OUTGOING_REG_PARM_STACK_SPACE): New.
18894         (REGPARM_MAX, SSE_REGPARM_MAX): New.
18895         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
18896         (STACK_BOUNDARY): Use 128 for 64-bit.
18897         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
18898         Add 64-bit implementation.
18899         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
18900         argument unused.
18901         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
18902         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
18903         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
18904         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
18905         (ix86_handle_cconv_attribute): Don't warn when ignoring if
18906         TARGET_64BIT_MS_ABI.
18907         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
18908         (ix86_pass_by_reference): Likewise.
18909         (ix86_function_value_regno_p): Likewise.
18910         (ix86_build_builtin_va_list): Likewise.
18911         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
18912         (function_arg_advance_ms_64): New.
18913         (function_arg_advance): Call it.
18914         (function_arg_ms_64): New.
18915         (function_arg): Call it.
18916         (function_value_ms_64): New.
18917         (ix86_function_value_1): Call it.
18918         (return_in_memory_ms_64): New.
18919         (ix86_return_in_memory): Call it.
18920         (setup_incoming_varargs_ms_64): New.
18921         (ix86_setup_incoming_varargs): Call it.
18922         (ix86_expand_prologue): Handle 64-bit stack probing.
18923         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
18924         (output_pic_addr_const): Likewise.
18925         (x86_this_parameter): Likewise.
18926         (x86_output_mi_thunk): Likewise.
18927         (x86_function_profiler): Likewise.
18928         (TARGET_STRICT_ARGUMENT_NAMING): New.
18929         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
18930         (TARGET_64BIT_MS_ABI): New.
18931         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
18932         * config/i386/i386.md (allocate_stack_worker): Remove.
18933         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
18934         describe the clobber of eax without a match_scratch.
18935         (allocate_stack_worker_postreload): Remove.
18936         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
18937         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
18938         (allocate_stack_worker_rex64_postreload): Remove.
18939         (allocate_stack): Handle 64-bit.
18940         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
18941         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
18942         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
18943         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
18944         (STANDARD_STARTFILE_PREFIX_1): Likewise.
18945         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
18946         * config.build (x86_64-*-mingw*): New host.
18947         * config.host (x86_64-*-mingw*): New host.
18948         * config.gcc (x86_64-*-mingw*): New target.
18949         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
18950
18951 2007-03-30  Richard Henderson  <rth@redhat.com>
18952             Kai Tietz  <kai.tietz@onevision.com>
18953
18954         * c-pragma.c (struct def_pragma_macro_value): New.
18955         (struct def_pragma_macro): New.
18956         (pushed_macro_table): New.
18957         (dpm_hash, dpm_eq): New.
18958         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
18959         (init_pragma): Install them.
18960         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
18961
18962 2007-03-30  Anatoly Sokolov <aesok@post.ru>
18963
18964         * config/avr/avr.c (avr_override_options): Clear
18965         'flag_delete_null_pointer_checks'.
18966
18967 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
18968
18969         PR c++/26099
18970         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
18971         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
18972         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
18973         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
18974         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
18975         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
18976         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
18977         C++ extensions.
18978         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
18979
18980 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
18981
18982         * regmove.c: Move all of pass_stack_adjustments from here...
18983         * combine-stack-adj.c: ...to this new file.
18984         * Makefile.in: Add rules for combine-stack-adj.o.
18985
18986 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
18987
18988         PR tree-optimization/31383
18989         * tree-data-ref.c (affine_function_equal_p): Do not require the
18990         vectors to have the same length.
18991
18992 2007-03-30  Jan Hubicka  <jh@suse.cz>
18993
18994         PR middle-end/30700
18995         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
18996         availablility; add more sanity checking; ask varpool only about
18997         VAR_DECL.
18998
18999 2007-03-29  Richard Henderson  <rth@redhat.com>
19000
19001         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
19002         to decide, but __SIZEOF_LONG_LONG__.
19003
19004 2007-03-29  Richard Henderson  <rth@redhat.com>
19005
19006         * emutls.c (struct __emutls_array): New.
19007         (emutls_destroy): Use it instead of casting element 0 from void*.
19008         (__emutls_get_address): Likewise.
19009
19010 2007-03-29  Richard Henderson  <rth@redhat.com>
19011
19012         * varasm.c (initializer_constant_valid_p): Don't deny
19013         DECL_DLLIMPORT_P on functions.
19014
19015         * config/i386/cygming.h: Remove function declarations.
19016         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
19017         (ASM_OUTPUT_LABELREF): Remove.
19018         (COMMON_ASM_OP): Remove.
19019         (ASM_OUTPUT_COMMON): Remove.
19020         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
19021         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
19022         (ASM_DECLARE_FUNCTION_NAME): Likewise.
19023         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
19024         Rename from TARGET_ENCODE_SECTION_INFO.
19025         * config/i386/netware.h: Likewise.
19026         * config/i386/i386-protos.h: Update.
19027         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
19028         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
19029         (legitimate_constant_p): Reject dllimports.
19030         (dllimport_map, get_dllimport_decl): New.
19031         (legitimize_dllimport_symbol): New.
19032         (legitimize_address, ix86_expand_move): Use it.
19033         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
19034         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
19035         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
19036         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
19037         * config/i386/predicates.md (constant_call_address_operand): Only
19038         accept symbols; reject dllimport_p symbols.
19039         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
19040         i386_pe_maybe_record_exported_symbol.
19041         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
19042         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
19043         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
19044         trust the setting of DECL_DLLIMPORT_P.
19045         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
19046         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
19047         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
19048         tidy the argument scanning loop.
19049         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
19050         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
19051         (i386_pe_strip_name_encoding): Remove.
19052         (i386_pe_binds_local_p): New.
19053         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
19054         (i386_pe_output_labelref): Remove.
19055         (i386_pe_asm_output_aligned_decl_common): New.
19056         (i386_pe_maybe_record_exported_symbol): Rename from
19057         i386_pe_record_exported_symbol; check for dllexported symbols.
19058
19059 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
19060
19061         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
19062         add comment explaining why vsnprintf cannot be used.
19063
19064 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
19065
19066         PR tree-optimization/30666
19067         * tree.c (build_complex_type): When creating type names for DWARF2
19068         debug info, create TYPE_DECLs for TYPE_NAME instead of
19069         IDENTIFIER_NODEs.
19070         (build_common_tree_nodes_2): Use build_complex_type when building
19071         predefined complex types, to preserve canonical types.
19072
19073 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
19074
19075         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
19076         (noce_get_alt_condition): Look at it to determine whether to
19077         reverse the condition or not.
19078         (noce_get_condition): Substitute the truth for lies.
19079         (noce_find_if_block): Set the then_else_reversed field.
19080
19081 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
19082
19083         * config/fr30/fr30.md (movdi): Do not accept immediates as the
19084         destination of this insn.
19085         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
19086         than calling gen_rtx_SET directly.  Use r0 to hold the value of
19087         'address + 4' rather than a stack based temporary which can be
19088         mis-optimized away.
19089
19090 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
19091
19092         * config/s390/s390.c (s390_secondary_input_reload_class,
19093         s390_secondary_output_reload_class): Functions removed.
19094         (s390_secondary_reload): New function.
19095         (TARGET_SECONDARY_RELOAD): Target macro defined.
19096         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
19097         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
19098         * config/s390/s390.md ("reload_outti", "reload_outdi",
19099         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
19100         "reload_out<mode>"): Expanders removed.
19101         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
19102         "reload<mode>_nonoffmem_out"): Expanders added.
19103
19104 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
19105
19106         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair
19107         action if SRC->DEST replacement failed anyway.
19108
19109 2007-03-28  Mike Stump  <mrs@apple.com>
19110
19111         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
19112         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
19113         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
19114
19115 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
19116
19117         * config.gcc: Accept barcelona as a variant of amdfam10.
19118         * config/i386/i386.c (override_options): Likewise.
19119         * doc/invoke.texi: Likewise.
19120
19121 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
19122
19123         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
19124         offsets for BIT_FIELD_REF and COMPONENT_REF.
19125
19126 2007-03-28  Richard Guenther  <rguenther@suse.de>
19127
19128         * tree.c (is_global_var): Move ...
19129         * tree-flow-inline.h (is_global_var): ... here.
19130         * tree.h (is_global_var): Remove declaration.
19131
19132 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
19133
19134         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
19135         option.
19136         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
19137         * config/i386/i386.c (ix86_tune_features): Initialize new
19138         tuning option.
19139         * config/i386/predicates.md (promotable_binary_operator): Use
19140         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
19141
19142 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
19143
19144         PR target/31380
19145         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
19146
19147 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
19148
19149         * config/fr30/fr30.md (movsi_internal): Change destination
19150         constraint from m to V and add m to the end.
19151
19152 2007-03-28  Christian Bruel  <christian.bruel@st.com>
19153
19154         * config/sh/sh.md (movsi_i): Fix type attribute.
19155
19156 2007-03-28  Christian Bruel  <christian.bruel@st.com>
19157
19158         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
19159         (movsf_ie): Likewise.
19160
19161 2007-03-28  Christian Bruel  <christian.bruel@st.com>
19162
19163         * config.gcc: Add sh4-300 to multilib.
19164         * config/sh/t-mlib-sh4-300: New file.
19165
19166 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
19167
19168         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
19169         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
19170         fix_trunc<mode>di2.
19171         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
19172         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
19173         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
19174         "fixuns_trunctddi2"): Whitespace fix.
19175
19176 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
19177
19178         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
19179         the definition of struct sh_args.
19180         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
19181         CALL_COOKIE_INT_REG_GET): Likewise.
19182
19183 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
19184
19185         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
19186         transformations are applied successfully.
19187
19188 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
19189
19190         * tree.c (tree_contains_struct): Permit 512 tree codes.
19191         * tree.h (tree_contains_struct): Ditto.
19192         (MAX_TREE_CODES): Ditto.
19193         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
19194         SPARE member to store remaining padding bits.
19195
19196 2007-03-27  Anatoly Sokolov <aesok@post.ru>
19197
19198         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
19199         architecture.
19200
19201 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
19202
19203         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
19204         * configure: Regenerate.
19205
19206         * configure: Regenerate using the correct version of autoconf.
19207
19208 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
19209
19210         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
19211         pointer regs.
19212         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
19213         regs to "__SP_L__" and "__SP_H__".
19214
19215 2007-03-27  Richard Guenther  <rguenther@suse.de>
19216
19217         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
19218         computations with it with a HOST_WIDE_INT variable.
19219
19220 2007-03-26  Mike Stump  <mrs@apple.com>
19221
19222         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
19223         objective-c-header, objective-c++-header and objc++-cpp-output
19224         support.
19225         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
19226
19227 2007-03-26  Richard Henderson  <rth@redhat.com>
19228
19229         PR target/31361
19230         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
19231         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
19232         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
19233         IX86_BUILTIN_PSRLQ128): New.
19234         (ix86_init_mmx_sse_builtins): Add them.
19235         (ix86_expand_builtin): Expand them.
19236         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
19237         operand 2 be TImode.
19238         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
19239         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
19240         _mm_srli_epi64): Mark __B const.
19241         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
19242         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
19243         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
19244         new two-vector shift builtins.
19245
19246 2007-03-26  Ian Lance Taylor  <iant@google.com>
19247
19248         PR tree-optimization/31345
19249         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
19250         [+INF, +INF(OVF)] into VARYING.
19251
19252 2007-03-26  Zack Weinberg  <zackw@panix.com>
19253
19254         * gengtype-parse.c: New file.
19255         * gengtype-yacc.y: Delete.
19256         * gengtype-lex.l: Don't include gengtype-yacc.h.
19257         Define YY_DECL and yyterminate appropriately for recursive
19258         descent parser.  yylval is now a string out-parameter to yylex.
19259         (HWS, EOID): New shorthand.
19260         (IWORD): Add a couple more types.
19261         (yylex): Add a setup stanza.  Remove the complex rules for
19262         detecting GTY'ed types and typedefs; replace with simple
19263         keyword detectors.  Adjust everything for the changed
19264         definition of yylval.  Ignore all pp-directives, not just #define.
19265         (yyerror): Delete.
19266         (parse_file): Rename yybegin; do not call yyparse.
19267         (yyend): New.
19268         * gengtype.c (xasprintf): Export again.
19269         (this_file): New.  Use everywhere __FILE__ was being used.
19270         (get_lang_bitmap): Special case types defined in gengtype.c.
19271         (do_typedef, new_structure): Suppress definition of certain types.
19272         (new_structure): Improve diagnostics of duplicate definitions.
19273         Make sure location_s is associated with input.h.
19274         (nreverse_pairs, define_location_structures): New functions.
19275         (main): Improve tagging of kludge types.  Remove old kludges
19276         for input.h types; use define_location_structures.
19277         * gengtype.h: Update prototypes.  Define token codes here.
19278         * Makefile.in: Remove all references to gengtype-yacc.
19279         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
19280         and gengtype.
19281         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
19282         add GTY((skip)) to the field that's only conditionally there.
19283         * doc/install.texi: Document that Bison is no longer required
19284         unless building treelang.
19285
19286         * gengtype.c: Don't include gtyp-gen.h.
19287         (srcdir): Declare here.
19288         (base_files, lang_dir_names): Allocate dynamically.
19289         (gt_files, num_gt_files, num_lang_dirs): New globals.
19290         (measure_input_list, read_input_line, read_input_list)
19291         (set_lang_bitmap): New functions.
19292         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
19293         simplify, relying on read_input_list to set up the bitmaps.
19294         (main): Arguments are no longer unused.  Check for correct number
19295         of command line arguments, set srcdir and srcdir_len, then call
19296         read_input_list, before doing anything else.  No need to worry
19297         about duplicates in main loop.
19298         * configure.ac: Simplify the calculation of all_gtfiles.
19299         Put language tags in there.  Don't set or substitute
19300         all_gtfiles_files_langs or all_gtfiles_files_frags.
19301         * Makefile.in: Revamp the way gengtype is invoked, now that it
19302         takes a file on its command line with a much simpler format.
19303         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
19304         (GTFILES): Remove duplicates and C source files.
19305         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
19306         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
19307         * configure: Regenerate.
19308
19309         * gengtype.h: Remove all type definitions to gengtype.c; leave
19310         only definitions of options_p, type_p, and pair_p as opaque
19311         pointers.  Update prototypes.
19312         * gengtype.c: Many type definitions moved here from gengtype.h.
19313         Consolidate type definitions at the top of the file.
19314         (xvasprintf): Delete.
19315         (xasprintf): Make static.
19316         (create_nested_pointer_option): Add 'next' parameter.
19317         (create_field_all, create_field_at): New functions.
19318         (create_field): Now a thin wrapper around create_field_all.
19319         (create_optional_field): Rename create_optional_field_ and add
19320         line argument.  Original name is now a macro which supplies
19321         __LINE__.
19322         (oprintf): Use vsnprintf directly.
19323         (close_output_files): Use fatal rather than perror/exit.
19324         (note_def_vec, note_def_vec_alloc): Use create_field_at.
19325         (main): Set progname.  Don't use exit.
19326         * gengtype-yacc.y (struct_fields): Use create_field_at.
19327         (option, optionseqopt): Delete.
19328         (optionseq): Consolidate productions from option here so we
19329         can use the first argument to create_option.
19330
19331         * gengtype-lex.l: Distinguish unions from structures in the
19332         token type.  Don't call find_structure; return the tag as a string.
19333         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and
19334         ENT_UNION.  Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is
19335         string.  Reorganize typedef_struct production accordingly.
19336         Use create_nested_ptr_option.
19337         * gengtype.c (create_nested_ptr_option): New function.
19338         * gengtype.h: Declare it.
19339
19340         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
19341         (string_type): Don't declare.
19342         (do_scalar_typedef): Declare.
19343         (create_scalar_type): Update prototype.
19344         * gengtype.c (string_type): Make static.
19345         (scalar_nonchar, scalar_char): New.
19346         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
19347         (resolve_typedef): Use scalar_nonchar for error recovery.
19348         (create_scalar_type): Remove name_len field.  Return scalar_char
19349         or scalar_nonchar as appropriate.
19350         (adjust_field_type): Look at scalar_is_char boolean to decide whether
19351         to use string_type.
19352         (throughout): Use scalar_nonchar instead of calling
19353         create_scalar_type, whenever possible.
19354         (main): Initialize scalar_char and scalar_nonchar before calling
19355         gen_rtx_next.
19356         * gengtype-lex.l: Adjust for removal of second argument to
19357         create_scalar_type.  Use yylval.s instead of yylval.t when
19358         returning SCALAR.
19359         * gengtype-yacc.y: Type of SCALAR is string.  Call
19360         create_scalar_type from type:SCALAR rule.  Adjust for removal of
19361         second argument to create_scalar_type.
19362
19363         * vec.h: Remove all #if IN_GENGTYPE blocks.
19364         Add comment saying that changes may require adjustments to gengtype.
19365         * gengtype.c: Don't include coretypes.h or tm.h.
19366         Add comment to inclusion of errors.h.
19367         (note_def_vec, note_def_vec_alloc): New functions.
19368         * gengtype.h: Declare new functions.
19369         * gengtype-lex.l: Don't include coretypes.h.
19370         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
19371         Delete.
19372         (update_lineno): Remove unnecessary prototype.
19373         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
19374         (VEC rule): Just return VEC_TOKEN.
19375         * gengtype-yacc.y (VEC_TOKEN): New token type.
19376         (type): Add a production for VEC(a,b).
19377         * Makefile.in: Update dependencies.
19378
19379         * gengtype-lex.l: Remove rules for parsing pointer-to-function
19380         typedefs that use the old PARAMS macro.
19381
19382         * gengtype-lex.l: Remove all rules and states relating to yacc
19383         input files.
19384         * gengtype-yacc.y: Similarly.
19385         * gengtype.c (note_yacc_type): Delete function.
19386         * gengtype.h: Update prototypes.
19387
19388 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
19389
19390         * tree-pretty-print.c (dump_generic_node): Report precision of
19391         unnamed integer types.
19392
19393 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
19394
19395         * ifcvt.c (noce_try_store_flag_constants): Don't check
19396         no_new_pseudos here.
19397         (noce_try_store_flag_constants): Don't check no_new_pseudos.
19398         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
19399         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
19400         noce_try_sign_mask): Likewise.
19401         (if_convert): Check no_new_pseudos here.
19402
19403         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
19404         Remove prototypes.
19405         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
19406         (noce_get_condition): Handle new then_else_reversed argument.
19407         (noce_init_if_info): Remove, fold into noce_find_if_block.
19408         (noce_process_if_block): Take a struct noce_if_info as the
19409         argument.  Don't set up one based on ce_if_info.  Update pointer
19410         references accordingly.
19411         (cond_move_process_if_block): Likewise.
19412         (process_if_block): Removed.
19413         (find_if_block): Removed.  Move functionality two new functions,
19414         noce_find_if_block and cond_exec_find_if_block.
19415         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
19416         blocks and the symmetric IF-ELSE-JOIN case.
19417         (cond_exec_find_if_block): Also new function mostly based on old
19418         find_if_block and process_if_block.
19419         (find_if_header): Replace find_if_block call with separately
19420         guarded calls to noce_find_if_block and cond_exec_find_if_block.
19421         (find_cond_trap): Update noce_get_condition call.
19422         (dead_or_predicable): Likewise.
19423
19424 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
19425
19426         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
19427         Remove.
19428         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
19429         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
19430         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
19431         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
19432         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
19433         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
19434         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
19435         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
19436         __builtin_ia32_psrad128 builtins.
19437
19438 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
19439
19440         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
19441         * config/i386/constraints.md
19442         (define_constraint "I"): Use IN_RANGE macro.
19443         (define_constraint "J"): Ditto.
19444         (define_constraint "K"): Ditto.
19445         (define_constraint "M"): Ditto.
19446         (define_constraint "N"): Ditto.
19447         (define_constraint "O"): Ditto.
19448         * config/i386/predicates.md
19449         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
19450         (define_predicate "const_0_to_3_operand"): Ditto.
19451         (define_predicate "const_0_to_7_operand"): Ditto.
19452         (define_predicate "const_0_to_15_operand"): Ditto.
19453         (define_predicate "const_0_to_63_operand"): Ditto.
19454         (define_predicate "const_0_to_255_operand"): Ditto.
19455         (define_predicate "const_1_to_31_operand"): Ditto.
19456         (define_predicate "const_2_to_3_operand"): Ditto.
19457         (define_predicate "const_4_to_7_operand"): Ditto.
19458
19459 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
19460
19461         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
19462         in SImode for save_world.
19463         * config/rs6000/altivec.md (save_world, restore_world): Convert to
19464         LR hard reg.
19465
19466 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
19467
19468         PR tree-optimization/30784
19469         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
19470         BIT_FIELD_REF.
19471
19472 2007-03-25  Revital Eres  <eres@il.ibm.com>
19473
19474         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
19475           Fold movement_possibility function into it.
19476
19477 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
19478
19479         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
19480         (load_macho_picbase_{si,di}): Convert to LR hard reg.
19481         (call_indirect_nonlocal_darwin64): Same.
19482         (call_nonlocal_darwin64): Same.
19483         (call_value_indirect_nonlocal_darwin64): Same.
19484         (call_value_nonlocal_darwin64): Same.
19485         (sibcall_nonlocal_darwin64): Same.
19486         (sibcall_value_nonlocal_darwin64): Same.
19487         (sibcall_symbolic_64): Same.
19488         (sibcall_value_symbolic_64): Same.
19489         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
19490         LR pseudo.
19491         (rs6000_emit_load_toc_table): Same.
19492         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
19493         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
19494         (mull_call): Same.
19495         (divss_call): Same.
19496         (divus_call): Same.
19497         (quoss_call): Same.
19498         (quous_call): Same.
19499         (load_toc_v4_pic_si): Same
19500         (load_toc_v4_PIC_1): Same.
19501         (load_toc_v4_PIC_1b): Same.
19502         (call_indirect_aix{32,64}): Same.
19503         (call_value_indirect_aix{32,64}): Same.
19504         (call): Same.
19505         (call_value): Same.
19506         (call_local{32,64}): Same.
19507         (call_value_local{32,64}): Same.
19508         (call_indirect_nonlocal_aix{32,64}): Same.
19509         (call_nonlocal_aix{32,64}): Same.
19510         (call_value_indirect_nonlocal_aix{32,64}): Same.
19511         (call_value_nonlocal_aix{32,64}): Same.
19512         (call_indirect_nonlocal_sysv<mode>): Same.
19513         (call_nonlocal_sysv<mode>): Same.
19514         (call_value_indirect_nonlocal_sysv<mode>): Same.
19515         (call_value_nonlocal_sysv<mode>): Same.
19516         (sibcall): Same.
19517         (sibcall_local{32,64}): Same.
19518         (sibcall_value_local{32,64}): Same.
19519         (sibcall_nonlocal_aix{32,64}): Same.
19520         (sibcall_value_nonlocal_aix{32,64}): Same.
19521         (sibcall_nonlocal_sysv<mode>): Same.
19522         (sibcall_value): Same.
19523         (sibcall_value_nonlocal_sysv<mode>): Same.
19524
19525 2007-03-24  Paul Brook  <paul@codesourcery.com>
19526
19527         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
19528         * config/arm/linux-eabi.h: Remove legacy syscall hack.
19529
19530 2007-03-24  Richard Henderson  <rth@redhat.com>
19531
19532         * config/ia64/constraints.md: New file.
19533         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
19534         satisfies_constraint_?.
19535         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
19536         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
19537         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
19538         ia64_output_mi_thunk): Likewise.
19539         (ia64_const_ok_for_letter_p): Remove.
19540         (ia64_const_double_ok_for_letter_p): Remove.
19541         (ia64_extra_constraint): Remove.
19542         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
19543         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
19544         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
19545         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
19546         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
19547         EXTRA_MEMORY_CONSTRAINT): Remove.
19548         * config/ia64/ia64.md: Include constriants.md.  Replace
19549         CONST_OK_FOR_? with satisfies_constraint_?.
19550
19551 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
19552             H.J. Lu  <hongjiu.lu@intel.com>
19553
19554         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
19555         DPD or BID name.
19556         (name macros): Use DPD_BID_NAME to convert names properly.
19557
19558         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
19559         decimal floating point format.
19560         (init_floating_libfuncs): Change decimal functions so that they
19561         have a "bid_" prefix if the decimal system uses the BID format,
19562         and "dpd_" prefix if the decimal system uses the DPD format.
19563         (init_interclass_conv_libfuncs): Ditto.
19564         (init_intraclass_conv_libfuncs): Ditto.
19565
19566         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
19567         using the BID format.
19568
19569         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
19570         whether we are using the BID decimal format.
19571         * configure: Regenerate.
19572
19573         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
19574         the compiler has decimal floating point enabled.  Define
19575         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
19576         instead of DPD.
19577
19578         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
19579         using the BID format.
19580
19581         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
19582         whether we are using the BID decimal format.
19583         * configure: Regenerate.
19584
19585         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
19586         the compiler has decimal floating point enabled.  Define
19587         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
19588         instead of DPD.
19589
19590         * doc/install.texi (--enable-decimal-float): Document BID and DPD
19591         options, and that it is enabled for i386/x86_64 systems.
19592
19593         * Makefile.in (enable_decimal_float): New.
19594         (DECNUMFMT): New.
19595         (DECNUMINC): Add  -I$(DECNUMFMT).
19596         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
19597         to $(DECNUMFMT) from $(DECNUM).
19598
19599         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
19600         Substitute enable_decimal_float.
19601         * configure: Regenerated.
19602
19603         PR other/30529
19604         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
19605         unsigned long.
19606
19607         * configure.ac: Enable decimal float for x86_64-*-linux*.
19608         * configure: Regenerated.
19609
19610         PR other/30530
19611         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
19612         decimal128ClearSign to flip and clear the sign bit in decimal128.
19613         (decimal_real_maxval): Set decimal128SetSign to set the sign
19614         bit in decimal128.
19615
19616 2007-03-23  Ian Lance Taylor  <iant@google.com>
19617
19618         * fold-const.c (fold_binary): Correct warning for X - c >= X.
19619
19620 2007-03-23  Ian Lance Taylor  <iant@google.com>
19621
19622         * tree-dump.c (dump_files): Correct comment.
19623
19624 2007-03-23  Ian Lance Taylor  <iant@google.com>
19625
19626         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
19627
19628 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
19629
19630         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
19631         in cfglayout mode.  Don't go into and out of cfglayout mode.
19632         Link the blocks in the order of the constructed traces.
19633         (rest_of_handle_tracer): Adjust call to tracer.
19634         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
19635         Don't go into cfglayout mode.
19636         (rtl_loop_done): Don't go out of cfglayout mode.
19637         * cfglayout.c (relink_block_chain): New function, split out from...
19638         (fixup_reorder_chain): ...here.  Remove redundant checking.
19639         (cfg_layout_finalize): Don't clear the header, footer, and aux
19640         fields here, move the code to do so to relink_block_chain.  Likewise
19641         for free_original_copy_tables.
19642         * rtl.h (tracer): Update prototype.
19643         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
19644         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
19645         mode.  Use relink_block_chain to serialize the CFG according to the
19646         new basic block order.  Move targetm.cannot_modify_jumps_p check from
19647         here...
19648         (gate_handle_reorder_blocks): ...to here.
19649         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
19650         from here...
19651         (gate_duplicate_computed_gotos): ...to here.
19652         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
19653         something always changes when going into and out of cfglayout mode.
19654         Perform an expensive cfg cleanup while going into cfglayout mode.
19655         Always update liveness information on HAVE_conditional_execution
19656         targets.  Reserialize the basic blocks and go out of cfglayout mode.
19657         * reg-stack.c: Include cfglayout.h.
19658         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
19659         the call to reorder_basic_blocks.
19660         * basic-block.h (reorder_basic_blocks): Update prototype.
19661         (relink_block_chain): New prototype.
19662         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
19663
19664 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
19665
19666         * config/mips/mips.md (type, hazard, *movdi_32bit,
19667         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
19668         *movhi_internal, *movqi_internal, *movsf_hardfloat,
19669         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
19670         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
19671         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
19672         applicable.
19673         (movcc): Change first xfer to multi.
19674         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
19675         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
19676         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
19677         config/mips/generic.md: Change reservations using "xfer" to use
19678         "mfc,mtc".
19679         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
19680         using match_operand.
19681         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
19682         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
19683         examining mode.
19684         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
19685
19686 2007-03-22  Richard Henderson  <rth@redhat.com>
19687
19688         * config/i386/i386.c: Remove unnecessary function declarations.
19689         Move targetm definition, and all related macros, to the end of
19690         the file.  Resort some functions to put definitions before uses.
19691         (ix86_attribute_table): Make static.  Move to end of file.
19692         (ix86_gimplify_va_arg): Make static.
19693
19694 2007-03-22  Richard Henderson  <rth@redhat.com>
19695
19696         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
19697         don't increase local_regparm with force_align_arg_pointer check.
19698         (ix86_function_sseregparm): Assert 32-bit.
19699         (type_has_variadic_args_p): New.
19700         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
19701         type_has_variadic_args_p.
19702         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
19703         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
19704         use memset instead.  Do maybe_vaarg check first; skip attribute
19705         tests if true; skip attribute tests for 64-bit.
19706         (construct_container): Remove TARGET_DEBUG_ARG.
19707         (function_arg_advance_32, function_arg_advance_64): Split out ...
19708         (function_arg_advance): ... from here.
19709         (function_arg_32, function_arg_64): Split out ...
19710         (function_arg): ... from here.
19711         (ix86_pass_by_reference): Tidy.
19712         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
19713         (function_value_32): New, from parts of ix86_function_value
19714         and ix86_value_regno.
19715         (function_value_64): New, from parts of ix86_function_value
19716         and ix86_libcall_value.
19717         (ix86_function_value_1): New.
19718         (ix86_function_value, ix86_libcall_value): Use it.
19719         (return_in_memory_32, return_in_memory_64): Split out ...
19720         (ix86_return_in_memory): ... from here.
19721         (ix86_struct_value_rtx): Skip for 64-bit.
19722         (ix86_libcall_value, ix86_value_regno): Remove.
19723         (setup_incoming_varargs_64): Split out ...
19724         (ix86_setup_incoming_varargs): ... from here.
19725         (ix86_va_start): Remove TARGET_DEBUG_ARG.
19726         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
19727         * config/i386/i386-protos.h (ix86_function_value): Remove.
19728         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
19729
19730 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19731
19732         PR other/23572
19733         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
19734         infinities not supported, otherwise emit warning if -Woverflow. On
19735         underflow, emit warning if -Woverflow.
19736         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
19737         and 0 otherwise.
19738         * real.h (real_from_string): Update declaration
19739
19740 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
19741             Richard Henderson  <rth@redhat.com>
19742
19743         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
19744         * calls.c (compute_argument_block_size, expand_call,
19745         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
19746         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
19747         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
19748         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
19749         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
19750         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
19751         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
19752         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
19753         Set to 1.
19754
19755 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
19756
19757         * c-incpath.c (add_sysroot_to_chain): New.
19758         (merge_include_chains): Add sysroot argument.  Call
19759         add_sysroot_to_chain if sysrooted.
19760         (register_include_chains): Update call to merge_include_chains.
19761         * doc/cppopts.texi: Document use of '=' in include directory
19762         arguments.
19763
19764 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
19765
19766         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
19767         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
19768         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
19769         insn pattern using X87MODEF12 mode macro.
19770
19771 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
19772
19773         * regmove.c (regmove_optimize): Use reg_mentioned_p
19774         instead of reg_overlap_mentioned_p for DST.
19775
19776 2007-03-21  Mike Stump  <mrs@apple.com>
19777
19778         * c.opt: Fixup for Objective-C/C++.
19779
19780 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
19781
19782         * explow.c (convert_memory_address): Fold memory reference when
19783         POINTERS_EXTEND_UNSIGNED < 0
19784
19785 2007-03-21  Richard Henderson  <rth@redhat.com>
19786
19787         PR target/31245
19788         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
19789         * config/i386/mmintrin.h (__m64): Likewise.
19790         * config/i386/xmmintrin.h (__m128): Likewise.
19791
19792 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
19793
19794         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
19795         (VXWORKS_OS_CPP_BUILTINS): Define.
19796         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
19797         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
19798
19799 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
19800
19801         * rtl.h (constant_pool_reference_p): Delete.
19802         (find_constant_src): Declare.
19803         * rtlanal.c (find_constant_src): New function.
19804         * simplify-rtx.c (constant_pool_reference_p): Delete.
19805         * config/i386/i386.md: Use find_constant_src instead of
19806         constant_pool_reference_p/avoid_constant_pool_reference pairs.
19807
19808 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
19809
19810         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
19811         * c-cppbuiltin.c (c_cpp_builtins): Define them.
19812
19813 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
19814
19815         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
19816         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
19817         (arm_elf_asm_constructor): Use it.
19818         (arm_elf_asm_destructor): New function.
19819
19820 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
19821
19822         * jump.c (mark_jump_label): Treat SEQUENCE specially.
19823
19824 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
19825
19826         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
19827
19828 2007-03-19  Andrew Haley  <aph@redhat.com>
19829
19830         PR tree-optimization/31264
19831         * tree-vrp.c (register_edge_assert_for_1): Don't look though
19832         VIEW_CONVERT_EXPRs.
19833
19834 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
19835
19836         PR rtl-optimization/30907
19837         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
19838         (fwprop_init): Always call loop_optimizer_initialize.
19839         (fwprop_done): Always call loop_optimizer_finalize.
19840         (fwprop): We always have loop info now.
19841         (gate_fwprop_addr): Remove.
19842         (pass_fwprop_addr): Use gate_fwprop as gate.
19843
19844         PR rtl-optimization/30841
19845         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
19846         df_chain_alloc): Call df_reorganize_refs unconditionally.
19847         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
19848         refs_organized to refs_organized_size.
19849         (df_ref_create_structure): Use refs_organized_size instead of
19850         bitmap_size if refs had been organized, and keep refs_organized_size
19851         up-to-date.
19852         * df.h (struct df_ref_info): Change refs_organized to
19853         refs_organized_size.
19854         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
19855         bitmap_size.
19856
19857 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
19858
19859         * except.c (output_function_exception_table): Do not reference the
19860         EH personality routine for functions that do not require an
19861         exception table.
19862
19863 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
19864
19865         PR c/30762
19866         * c-typeck.c (convert_for_assignment): Call comptypes for
19867         RECORD_TYPE or UNION_TYPE.
19868
19869         PR inline-asm/30505
19870         * reload1.c (reload): Do invalid ASM checking after
19871         cleanup_subreg_operands.
19872
19873 2007-03-19  Jeff Law  <law@redhat.com>
19874
19875         * tree-cfg.c (find_taken_edge): Tighten conditions for
19876         optimizing computed gotos.
19877
19878 2007-03-19  Michael Matz  <matz@suse.de>
19879
19880         * builtins.c (expand_builtin_sync_operation,
19881         expand_builtin_compare_and_swap,
19882         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
19883         correctly.
19884
19885         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
19886         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
19887         for operand 3.
19888
19889 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
19890
19891         * doc/tm.texi: Add brackets around the return type of
19892         TARGET_SECONDARY_RELOAD.
19893
19894 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
19895         Richard Guenther  <rguenther@suse.de>
19896
19897         PR tree-optimization/31254
19898         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
19899         Use handled_component_p () where appropriate.  Continue
19900         propagating into the rhs if we propagated into an INDIRECT_REF
19901         on the lhs.
19902
19903 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
19904
19905         * config/s390/s390.md (op_type attribute): RRR instruction type added.
19906         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
19907         (xde, xdee): Mode attributes adjusted to support DFP modes.
19908         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
19909         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
19910         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
19911         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
19912         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
19913         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
19914         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
19915         numbers.
19916         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
19917         "movsf"): Insn definitions removed.
19918         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
19919         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
19920         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
19921         definitions added.
19922         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
19923         "reload_in<mode>", "reload_out<mode>"): Expander added.
19924         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
19925         Expander removed.
19926
19927 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
19928
19929         * config/s390/s390.md: Only non-functional changes.  Renamed
19930         FPR mode macro to BFP all over the file.
19931
19932 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
19933
19934         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
19935         (op_type attribute): RRF instruction type added.
19936         (fT0): New mode attribute.
19937         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
19938         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
19939         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new
19940         instruction no secondary memory is needed when moving DFmode values
19941         between GPRs and FPRs.
19942
19943 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
19944
19945         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
19946         inverted and documentation adjusted.
19947         ("mhard-dfp", "msoft-dfp"): New options.
19948         * config/s390/s390.c (s390_handle_arch_option): New architecture
19949         switch: z9-ec.
19950         (override_options): Sanity checks for the new options added.
19951         * config.gcc: New architecture switch: z9-ec.
19952         * config/s390/s390.h (processor_flags): PF_DFP added.
19953         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
19954         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
19955         when the bit is NOT set so remove it from the defaults.
19956
19957 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
19958
19959         * genemit.c (main): Print include statement for dfp.h.
19960         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
19961         is not available.
19962
19963 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
19964
19965         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
19966
19967 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
19968
19969         PR target/31022
19970         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
19971         instead of PATTERN.
19972
19973 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19974
19975         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
19976         attr_length_call, output_call, output_indirect_call): Cleanup
19977         formatting of targetm calls.
19978
19979 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
19980
19981         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
19982
19983 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19984
19985         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
19986         reservation, bypass and anti-bypass descriptions for these
19987         instructions.  Update move patterns.
19988         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
19989         TYPE_FPSTORE.
19990
19991 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
19992
19993         * tree-vect-transform.c (get_initial_def_for_induction): Replace
19994         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
19995         (get_initial_def_for_reduction): Likewise.
19996
19997 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
19998
19999         Fix PR tree-optimization/29922
20000         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
20001         (get_representative): Removed.
20002         (value_dies_in_block_x): Update for rvuse removal.
20003         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
20004         (compute_antic_aux): Handle when PHI nodes appear in
20005         non-single-successors.
20006         (dump_bitmap_of_names): Removed.
20007         (compute_antic_safe): Renamed and removed rvuse calculation.
20008         Calculate only antic safe.
20009         (insert_into_preds_of_block): Remove assert.
20010         (execute_pre): Update for renamed functions.
20011         (defer_or_phi_translate_block): New function.
20012
20013 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
20014
20015         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
20016         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
20017         typos.
20018         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
20019         Follow spelling conventions.
20020
20021         * tree-data-ref.h: Remove the prototype for analyze_array.
20022
20023 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
20024
20025         PR tree-optimization/31041
20026         * tree-vect-transform.c (get_initial_def_for_induction): Call
20027         force_gimple_operand.
20028
20029 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
20030
20031         * ipa-type-escape.c (look_for_casts) : Revert code to use
20032         handled_component_p due to ada test a-numaux.adb.
20033
20034 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
20035
20036         * final.c (final_scan_insn): Alter the condition of a
20037         conditional trap if we have nonstandard CC.
20038
20039 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
20040
20041         * configure.ac: Remove excess quoting from asm line 0 test.
20042         * configure: Rebuilt.
20043
20044 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20045
20046         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
20047         * c-common.c (convert_and_check): Move warning logic to...
20048         (warnings_for_convert_and_check): ...here. Define.
20049         * c-common.h (warnings_for_convert_and_check): Declare.
20050
20051 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20052
20053         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
20054         (output_call): Likewise.
20055
20056 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
20057
20058         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
20059
20060 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
20061
20062         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
20063
20064 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
20065
20066         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
20067         opteron, athlon-64 and athlon-fx processor_alias_table entries.
20068
20069 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
20070
20071         PR tree-optimization/31183
20072         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
20073         Use double_int instead of unsigned int for representing access_strides.
20074         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
20075
20076 2007-03-16  Richard Guenther  <rguenther@suse.de>
20077
20078         PR tree-optimization/31146
20079         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
20080         to allow recursion of forward_propagate_addr_expr.
20081         (forward_propagate_addr_into_variable_array_index): Likewise.
20082         (forward_propagate_addr_expr): Likewise.
20083         (tree_ssa_forward_propagate_single_use_vars): Likewise.
20084         (forward_propagate_addr_expr_1): Recurse on simple copies
20085         instead of propagating into them.  Do so for useless conversions
20086         as well.
20087         (forward_propagate_addr_expr): Clean up unused statements after
20088         recursion.
20089
20090 2007-03-16  Richard Guenther  <rguenther@suse.de>
20091
20092         * builtins.c (expand_builtin_cexpi): Use the right argument
20093         for the expansion via cexp.
20094
20095 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
20096
20097         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
20098         * configure: Rebuilt.
20099
20100 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
20101
20102         PR debug/29906
20103         * dwarf2out.c (force_type_die): Adjust comment.
20104         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
20105
20106 2007-03-15  DJ Delorie  <dj@redhat.com>
20107
20108         * config/frv/predicates.md (minmax_operator): Don't check operands
20109         here.
20110
20111 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
20112
20113         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
20114         Update constant estimates of number of iterations.
20115         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
20116         argument renamed to "realistic".
20117         (compute_estimated_nb_iterations): Removed.
20118         (record_niter_bound): New function.
20119         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
20120         call record_nonwrapping_iv with upper = false.
20121         (infer_loop_bounds_from_signedness): Pass upper argument to
20122         record_nonwrapping_iv.
20123         (estimate_numbers_of_iterations_loop): Do not call
20124         compute_estimated_nb_iterations.  Record estimate based on profile
20125         information.  Initialize the constant estimates of number of
20126         iterations.
20127         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
20128         estimates.
20129         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
20130         number of iterations is too small.
20131         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
20132         (EST_NOT_AVAILABLE): Removed.
20133         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
20134         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
20135         fields.
20136
20137 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
20138
20139         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
20140         Handle NE_EXPR guards.
20141
20142 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20143
20144         PR c++/24924
20145         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
20146         Set also -pedantic-errors by default for the  preprocessor unless
20147         -fpermissive is given.
20148
20149 2007-03-15  Richard Guenther  <rguenther@suse.de>
20150
20151         PR middle-end/29719
20152         PR middle-end/31161
20153         * builtins.c (expand_builtin_cexpi): As a fallback if we
20154         don't have builtins for sincos or cexp create a function
20155         declaration for cexp and expand to a call to that.
20156         (expand_builtin_int_roundingfn): Always fall
20157         back to floor/ceil and its variants even if they may be
20158         not available.
20159
20160 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
20161
20162         PR middle-end/31159
20163         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
20164         jump tables, move the call to delete_dead_jumptables from here...
20165         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
20166         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
20167         don't allow merging of blocks that try_redirect_by_replacing_jump
20168         also does not handle when not optimizing.
20169
20170 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
20171             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
20172
20173         * config/i386/i386.md (x86_sahf_1): Correctly handle
20174         HAVE_AS_IX86_SAHF.
20175
20176 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
20177
20178         PR target/31167
20179         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
20180         x86_64_general_operand as operand[2] predicate.  Remove "iF"
20181         from operand constraints and use "e" constraint instead.
20182         (*subti3_1, *subti3_1 splitter): Ditto.
20183         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
20184         operand[1] predicate.
20185
20186 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
20187
20188         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
20189         arrays, multiply the access strides by the size of the sub-array.
20190         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
20191
20192 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
20193
20194         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
20195         the configured assembler supports the sahf mnemonic.
20196         * configure: Regenerate.
20197         * config.in: Regenerate.
20198
20199         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
20200         emit "sahf" or ".byte\t0x9e" as asm template.
20201
20202 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
20203
20204         PR 31018
20205         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
20206         option to replace hard coded TARGET_xxx in md file.
20207         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
20208         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
20209         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
20210         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
20211         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
20212         (X86_TUNE_NOT_VECTORMODE): Ditto.
20213         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
20214         (TUNE_AVOID_VECTOR_DECODE): Ditto.
20215         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
20216         (TUNE_SLOW_IMUL_IMM8): Ditto.
20217         (TUNE_MOVE_M1_VIA_OR): Ditto.
20218         (TUNE_NOT_UNPAIRABLE): Ditto.
20219         (TUNE_NOT_VECTORMODE): Ditto.
20220
20221         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
20222         options.
20223
20224         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
20225         tuning options instead of hard coded TARGET_xxx.
20226         (fix ssemode peephole2's): Ditto.
20227         (imul peephole2's): Ditto.
20228         (movsi_or): Ditto.
20229         (movdi_or_rex64): Ditto.
20230         (move peephole2): Ditto.
20231         (not peephole2's): Ditto.
20232
20233 2007-03-14  Dirk Mueller  <dmueller@suse.de>
20234
20235         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
20236         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
20237         * c-parser.c (c_parser_if_body): Always add an empty statement in case
20238         of empty body.
20239         * c-parser.c (c_parser_do_statement): Warn about empty body in
20240         do/while statement.
20241         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
20242         * doc/invoke.texi (-Wempty-body): Update documentation.
20243
20244 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20245
20246         PR c/21438
20247         * c-common.h (warn_for_div_by_zero): Declare.
20248         * c-common.c (warn_for_div_by_zero): Define.
20249         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
20250         warning.
20251
20252 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
20253
20254         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
20255         to PREFIX and STANDARD_PREFIX.
20256
20257 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
20258             Phil Edwards  <phil@codesourcery.com>
20259
20260         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
20261         (__gthread_once_t): Remove busy field for RTPs.
20262         (__GTHREAD_ONCE_INIT): Update accordingly.
20263
20264 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
20265
20266         * doc/invoke.texi: Document VxWorks options.
20267
20268 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
20269
20270         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
20271
20272 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
20273
20274         PR tree-optimization/30590
20275         * tree-nrv.c (tree_nrv): Check for the partial update of the
20276         return value.
20277
20278 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
20279
20280         * flags.h (flag_random_seed): Remove declaration, in favor of...
20281         * toplev.h (get_random_seed, set_random_seed): ... these.
20282         * tree.c (get_file_function_name): Use the former.
20283         * opts.c (common_handle_option): Use the latter.
20284         * toplev.c
20285
20286 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
20287
20288         PR middle-end/31127
20289         * cse.c (cse_find_path): Do not bail out if a basic block that
20290         we already visited now becomes part of a path that starts at a
20291         different basic block.  Just disallow this, to make sure we
20292         visit each basic block at most once.
20293
20294 2007-03-13  Jan Hubicka  <jh@suse.cz>
20295
20296         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold
20297         attributes, when profile esitmate is present, calls with very low
20298         frequency are cold.
20299
20300 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
20301
20302         PR tree-optimization/30730
20303         PR tree-optimization/26900
20304         * tree-ssa-loop-niter.c: Include gmp.h.
20305         (bounds): New type.
20306         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
20307         split_to_var_and_offset, determine_value_range,
20308         bound_difference_of_offsetted_base, refine_bounds_using_guard,
20309         bound_difference, bounds_add, bounds_negate,
20310         number_of_iterations_ne_max, dump_affine_iv): New functions.
20311         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
20312         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
20313         difference of initial and final value of control iv to validate
20314         results.
20315         (number_of_iterations_cond): Add loop parameter.  Determine bounds
20316         on the difference of the extremes of the control iv.  Add dumps.
20317         (expand_simple_operations): Handle phi nodes.
20318         (simplify_using_initial_conditions): Do not record used conditions.
20319         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
20320         Do not set additional_info.
20321         (implies_nonnegative_p, implies_ge_p): Removed.
20322         (derive_constant_upper_bound): Do not use parameter `additional'.
20323         (record_estimate): Parameter `additional' removed.  Parameter
20324         `i_bound' added.  Do not call derive_constant_upper_bound.
20325         (record_nonwrapping_iv): Use derive_constant_upper_bound to
20326         bound the number of iterations estimate.
20327         (estimate_numbers_of_iterations_loop): Pass the estimate from
20328         the number of iterations analysis to record_estimate.
20329         * tree.h (multiple_of_p): Declare.
20330         * tree-scalar-evolution.c (expression_expensive_p): Removed.
20331         (scev_const_prop): Do not check expression_expensive_p.
20332         * fold-const.c (multiple_of_p): Exported.
20333         * double-int.c (double_int_mask): Exported.
20334         * double-int.h (double_int_mask): Declare.
20335         * tree-flow.h (struct tree_niter_desc): Removed additional_info
20336         field.  Added max field.
20337
20338 2007-03-13  David Taylor  <taylor@candd.org>
20339
20340         PR driver/12448:
20341         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
20342         default -MQ.
20343
20344 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20345
20346         PR target/31123
20347         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
20348         two unamed patterns.
20349
20350 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
20351
20352         * config/i386/i386.opt (mcx16, msahf): New options.
20353         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
20354         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
20355
20356         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
20357         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
20358         Output -mcx16 and -msahf options when corresponding bit is set.
20359
20360         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
20361         and -msahf options.
20362
20363 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
20364
20365         * configure.ac: Test for assembler tolerance to # 0 "".
20366         * configure, config.in: Rebuilt.
20367         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
20368
20369 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
20370
20371         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
20372
20373         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
20374         (handle_syscall): Handle direct system calls.
20375         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
20376
20377 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
20378
20379         * doc/invoke.texi: Fix cpp.info cross-reference.
20380         * doc/passes.texi: Fix gcc.info cross-reference.
20381
20382 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
20383
20384         PR tree-optimization/30835
20385         * lambda-code.c (can_convert_to_perfect_nest): Check whether
20386         bb_for_stmt is not NULL before accessing it.
20387
20388 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
20389
20390         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
20391         some multilibs.
20392
20393 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
20394
20395         PR 30635
20396         * doc/install.texi: Document --enable-stage1-languages
20397
20398 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
20399
20400         * tree-pass.h (pass_into_cfg_layout_mode,
20401         pass_outof_cfg_layout_mode): Declare.
20402         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
20403         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
20404         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
20405         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
20406
20407 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
20408
20409         * c-decl.c (warn_variable_length_array): New function.
20410         Refactored from grokdeclarator to handle warn_vla
20411         and handle unnamed array case.
20412         (grokdeclarator): Refactored VLA warning case.
20413         * c.opt (Wvla): New flag.
20414         * doc/invoke.texi (Wvla): New warning.
20415
20416 2007-03-12  Richard Henderson  <rth@redhat.com>
20417
20418         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
20419         (TARGET_SECTION_TYPE_FLAGS): New.
20420
20421 2007-03-12  Richard Henderson  <rth@redhat.com>
20422
20423         * config/darwin.c (machopic_reloc_rw_mask): New.
20424         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
20425         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
20426
20427 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
20428
20429         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
20430         * cppdefault.h (cpp_PREFIX): Document.
20431         (cpp_PREFIX_len): Likewise.
20432         (cpp_EXEC_PREFIX): New variable.
20433         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
20434         * c-incpath.c (add_standard_paths): Correct logic for relocating
20435         paths within prefix.
20436
20437 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
20438
20439         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
20440         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
20441         mode macro.
20442         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
20443         fix_truncdfdi_sse using SSEMODEF mode macro.
20444         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
20445         fix_truncdfsi_sse using SSEMODEF mode macro.
20446         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
20447         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
20448
20449 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
20450
20451         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
20452         elfos.h to tm_file.
20453
20454 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
20455
20456         * tree.h : Add multiple_of_p declaration.
20457         * fold-const.c (multiple_of_p): Make multiple_of_p public.
20458         * ipa-type-escape.c (results_of_malloc): Redundant.
20459         (visited_stmts): New. Visited stmt for walk_use_def_chains.
20460         (cast_type): Extended with new members.
20461         (check_cast): Returns cast_type.
20462         (cast): New structure for data of walk_use_def_chains.
20463         (is_malloc_result, is_cast_from_non_pointer_1,
20464         is_cast_from_non_pointer,
20465         is_array_access_through_pointer_and_index): New functions.
20466         (look_for_casts): Returns cast types.
20467         (check_call): Returns void.
20468         (okay_pointer_operation): Use support of pointer plus index,
20469         pointer plus constant and allow all multiplications.
20470
20471 2007-03-11  Richard Guenther  <rguenther@suse.de>
20472
20473         PR tree-optimization/31115
20474         * tree-vrp.c (extract_range_from_binary_expr): Make sure
20475         the shift count is positive and non-anti-range for RSHIFT_EXPR.
20476         A shift count of zero is not special as with *_DIV_EXPR.
20477         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
20478         direction.
20479
20480 2007-03-11  Ian Lance Taylor  <iant@google.com>
20481
20482         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
20483         the *_DIV_EXPR codes correctly with overflow infinities.
20484
20485 2007-03-11  Ira Rosen  <irar@il.ibm.com>
20486
20487         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
20488         indicate success/failure of the analysis. Add negation to subtrahend
20489         in case of subtraction. Fail if both operands contain constants.
20490         (create_data_ref): Fail if analyze_offset fails.
20491
20492 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
20493
20494         * config/i386/i386.md (frndintxf2): Rename to ...
20495         (rintxf2): ... this. Remove expander having same name.
20496         (rintsf2, rintdf2): Implement using SSEMODEF macro.
20497         (roundsf2, rounddf2): Ditto.
20498         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
20499         (lround<mode>di2, lround<mode>si2): Ditto.
20500
20501 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
20502
20503         * lower-subreg.c: Include except.h.
20504         (decompose_multiword_subregs): Verify that the only control flow
20505         insns we can split are loads to multi-words pseudos.
20506         Handle breaking such blocks after splitting, instead of calling
20507         find_many_sub_basic_blocks.
20508
20509         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
20510         on the new basic block.  Add a lengthy comment explaining why we
20511         thought this was necessary.
20512         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
20513
20514 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
20515
20516         PR c++/30924
20517         * tree.c (walk_type_fields): Recurse into the element type of
20518         ARRAY_TYPEs if there is a pointer set.
20519
20520 2007-03-10  Dirk Mueller  <dmueller@suse.de>
20521
20522         * c-common.c (warn_logical_operator): Fix condition.
20523
20524 2007-03-10  Tobias Schl�ter  <tobi@gcc.gnu.org>
20525
20526         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
20527         quotation mark.
20528         * config/darwin.c (machopic_select_section): Remove superfluous
20529         argument in call to categorize_decl_for_section.  Remove unused
20530         variable shlib.
20531
20532 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
20533
20534         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
20535         defined.
20536         * configure: Regenerate.
20537
20538 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
20539
20540         PR target/31101
20541         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
20542         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
20543         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
20544         Add LABEL_NUSES to emitted label.
20545         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
20546         branch probability value to emitted jump insn.
20547         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
20548         Do not check life information and do not re-arrange input operands
20549         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
20550
20551 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
20552
20553         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
20554         the change of decode_asm_operands.
20555
20556 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
20557
20558         * mode-switching.c (create_pre_exit): Skip blockage insn.
20559
20560 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
20561
20562         * tree-pass.h (TODO_update_smt_usage): Remove.
20563         Update all users.
20564         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
20565         argument SOME.
20566         Update all users.
20567
20568 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20569
20570         * pa.c (attr_length_call): Revise condition for long
20571         pc-relative branch.
20572         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long
20573         local calls on the SOM target.  Don't use "LONG_PIC_PCREL" call
20574         sequence on SOM target.
20575
20576 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
20577
20578         * gcc.c: Document %{, in big comment at top.
20579         (input_suffix_matches): Remove special handling for .s and
20580         .S.
20581         (input_spec_matches): New.
20582         (handle_braces): Handle %{,.
20583         (validate_switches): ',' indicates a value which is not a switch.
20584         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
20585         to detect assembler input.
20586         * config/i386/sol2.h (CPP_SPEC): Likewise.
20587         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
20588         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
20589         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
20590         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
20591         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
20592         -m64 causes deployment target to default to 10.5.
20593         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
20594
20595 2007-03-09  Richard Henderson  <rth@redhat.com>
20596
20597         PR target/26090
20598         * target.h (targetm.asm.out.reloc_rw_mask): New.
20599         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
20600         (TARGET_ASM_OUT): Use it.
20601         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
20602         * varasm.c (categorize_decl_for_section): Remove shlib argument;
20603         use the new reloc_rw_mask target hook instead.
20604         (default_section_type_flags_1): Merge into...
20605         (default_section_type_flags): ... here.
20606         (decl_readonly_section_1): Merge into...
20607         (decl_readonly_section): ... here.
20608         (default_elf_select_section_1): Merge into...
20609         (default_elf_select_section): ... here.
20610         (default_unique_section_1): Merge into...
20611         (default_unique_section): ... here.
20612         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
20613         (default_select_rtx_section): Use it.
20614         (default_elf_select_rtx_section): Likewise.
20615         * output.h: Update to match.
20616         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
20617         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
20618         (TARGET_ASM_RELOC_RW_MASK): New.
20619         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
20620         to categorize_decl_for_section.
20621         (x86_64_elf_unique_section): Likewise.
20622         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
20623         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
20624         (TARGET_ASM_RELOC_RW_MASK): New.
20625         * config/ia64/ia64.c (ia64_rwreloc_select_section,
20626         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
20627         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
20628         (TARGET_RWRELOC): Remove.
20629         (ia64_section_type_flags): Adjust call to default_section_type_flags.
20630         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
20631         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
20632         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
20633         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
20634         (rs6000_xcoff_select_section): Use decl_readonly_section.
20635         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
20636         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
20637         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
20638         (TARGET_SECTION_TYPE_FLAGS): Remove.
20639         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
20640
20641 2007-03-09  Roger Sayle  <roger@eyesopen.com>
20642
20643         * fold-const.c (fold_comparison): Remove compile-time evaluation of
20644         complex constant equality/inequality comparisons for here.
20645         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
20646         known at compile-time or can be simplified to a scalar comparison.
20647         (fold_relational_const): Move compile-time evaluation of complex
20648         constant equality/inequality comparisons to here.
20649
20650 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
20651
20652         PR rtl-optimization/30643
20653         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
20654         dest_addr_elt.
20655         (fold_rtx): Recurse, like before 2006-11-03.
20656
20657 2007-03-09  DJ Delorie  <dj@redhat.com>
20658
20659         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
20660         m32c-pragma.o.
20661
20662 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
20663
20664         PR tree-optimization/30375
20665         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
20666         LHS of statements is not the same.
20667         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
20668
20669 2007-03-09  Chao-ying Fu  <fu@mips.com>
20670
20671         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
20672         REV 2.
20673         * doc/invoke.texi (-mdspr2): Document new option.
20674         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
20675         New unspec for DSP REV 2.
20676         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
20677         these instructions are extended in DSP REV 2.
20678         (mips-dspr2.md): Include.
20679         * config/mips/mips.opt (mdspr2): New option.
20680         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
20681         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
20682         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
20683         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
20684         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
20685         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
20686         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
20687         and 2 builtins.
20688         (bdesc_map): Add one field of unsupported_target_flags.
20689         (bdesc_arrays): Update entries to have extra fields.  Add
20690         dsp_32only_bdesc.
20691         (mips_init_builtins): Initialize new function types.
20692         Check unsupported_target_fileds to filter out builtins.
20693         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
20694         TARGET_DSPR2.
20695         (ASM_SPEC): Pass mdspr2 to the assembler.
20696         * config/mips/mips-dspr2.md: New file.
20697
20698 2007-03-09  Sa Liu  <saliu@de.ibm.com>
20699
20700         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
20701
20702 2007-03-09  Ian Lance Taylor  <iant@google.com>
20703
20704         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
20705         argument) like -Wstrict-overflow=2.
20706         * doc/invoke.texi (Warning Options): Update documentation.
20707
20708 2007-03-09  Dirk Mueller  <dmueller@suse.de>
20709
20710         PR c++/17946
20711         * doc/invoke.texi (-Wlogical-op): Document.
20712         * common.opt (-Wlogical-op): New.
20713         * c-common.h (warn_logical_operator): Declare.
20714         * c-common.c (warn_logical_operator): Define.
20715         * c-typeck.c (parser_build_binary_op): Call
20716         warn_logical_operator.
20717
20718 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
20719
20720         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
20721         * final.c (final_scan_insn): Test for non-"" file name.
20722
20723 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
20724
20725         * doc/loop.texi: Document the Omega linear constraints solver.
20726         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
20727         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
20728         omega-hash-table-size, omega-max-keys, and
20729         omega-eliminate-redundant-constraints.
20730         * tree-pass.h (pass_check_data_deps): Declared.
20731         * omega.c: New.
20732         * omega.h: New.
20733         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
20734         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
20735         pass_check_data_deps): New.
20736         * tree-data-ref.c (init_data_ref): Remove declaration.
20737         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
20738         (analyze_array): Renamed init_array_ref, move up initializations.
20739         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
20740         Removed arguments that are set to NULL.
20741         (analyze_indirect_ref): Correct indentation, correct call to
20742         init_pointer_ref.
20743         (object_analysis): Call init_array_ref instead of analyze_array.
20744         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
20745         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
20746         of DR_ACCESS_FNS_ADDR.
20747         (init_omega_eq_with_af, omega_extract_distance_vectors,
20748         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
20749         ddr_consistent_p): New.
20750         (compute_affine_dependence): Check consistency of ddrs when
20751         flag_check_data_deps is passed.
20752         (analyze_all_data_dependences): Uncomment.
20753         (tree_check_data_deps): New.
20754         * tree-data-ref.h: Include omega.h.
20755         (DR_ACCESS_FNS_ADDR): Removed.
20756         (data_dependence_relation): Add inner_loop.
20757         (DDR_INNER_LOOP): New.
20758         * common.opt (fcheck-data-deps): New.
20759         * tree-flow.h (tree_check_data_deps): Declare.
20760         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
20761         (OBJS-common): Depend on omega.o.
20762         (omega.o): Define.
20763         * passes.c (pass_check_data_deps): Scheduled.
20764         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
20765         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
20766         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
20767         PARAM_VECT_MAX_VERSION_CHECKS,
20768         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
20769
20770 2007-03-09  Richard Guenther  <rguenther@suse.de>
20771
20772         PR tree-optimization/30904
20773         PR middle-end/31058
20774         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
20775         the same way as *_DIV_EXPR.
20776
20777 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
20778
20779         * recog.c (decode_asm_operands): No mixed declarations and code.
20780
20781 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
20782
20783         * rtl.def (ASM_INPUT): Add location.
20784         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
20785         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
20786         (decode_asm_operands): Add loc operand.
20787         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
20788         * stmt.c (expand_asm): Rename to...
20789         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
20790         gen_rtx_ASM_INPUT_loc.
20791         (expand_asm_expr): Adjust.
20792         * recog.c (decode_asm_operands): Add loc operand.
20793         (check_asm_operands, extract_insn): Adjust.
20794         * reload1.c (maybe_fix_stack_asms): Likewise.
20795         * final.c (asm_insn_count): Likewise.
20796         (final_scan_insn): Output # line before and after asm.
20797
20798 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
20799
20800         * tree-ssa-structalias.c (variable_info): Remove
20801         finished_solution.
20802         (new_var_info): Ditto.
20803         (shared_bitmap_info_t): New structure.
20804         (shared_bitmap_table): New variable.
20805         (shared_bitmap_hash): New function.
20806         (shared_bitmap_eq): Ditto
20807         (shared_bitmap_lookup): Ditto.
20808         (shared_bitmap_add): Ditto.
20809         (merge_smts_into): Change to take bitmap directly.
20810         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
20811         (init_alias_vars): Init shared bitmap hashtable.
20812         (delete_points_to_sets): Delete shared bitmap hashtable.
20813         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
20814         is_aliased removal as a change that was still necessary was
20815         deleted.
20816
20817 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
20818
20819         * config/i386/i386.h (override_options): Conditionally disable
20820         x86_sahf for 64bit targets only.
20821
20822 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
20823
20824         PR C/31072
20825         * c-decl.c (merge_decls): Don't call make_var_volatile.
20826         * varasm.c (make_var_volatile): Remove.
20827         * output.h (make_var_volatile): Remove.
20828
20829 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
20830
20831         PR tree-optimization/31085
20832         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
20833
20834 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
20835
20836         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
20837         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
20838         ATTR_CONST_NOTHROW_LIST.
20839
20840         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
20841         FIX_TRUNC_EXPR.
20842
20843 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
20844
20845         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
20846
20847 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
20848
20849         PR 31013
20850         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
20851         is declared.
20852         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
20853         passed, use shared libgcc.
20854
20855 2007-03-08  Roger Sayle  <roger@eyesopen.com>
20856
20857         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
20858         instead of calling build2 with a GIMPLE_MODIFY_STMT.
20859         (honor_protect_cleanup_actions, lower_try_finally_switch):
20860         Likewise.
20861         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
20862         ifc_temp_var): Likewise.
20863         * tree-inline.c (setup_one_parameter): Likewise.
20864         * tree-mudflap.c (mf_decl_cache_locals,
20865         mf_build_check_statement_for): Likewise.
20866         * tree-nested.c (init_tmp_var, save_tmp_var,
20867         finalize_nesting_tree_1): Likewise.
20868         * tree-outof-ssa.c (insert_copy_on_edge,
20869         insert_backedge_copies): Likewise.
20870         * tree-profile.c (tree_gen_edge_profiler,
20871         tree_gen_ic_profiler): Likewise.
20872         * tree-scalar-evolution.c (scev_const_prop): Likewise.
20873         * tree-sra.c (sra_build_assignment): Likewise.
20874         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
20875         * tree-ssa-math-opts.c (insert_reciprocals,
20876         execute_cse_sincos_1): Likewise.
20877         * tree-tailcall.c (adjust_accumulator_values,
20878         adjust_return_value): Likewise.
20879         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
20880         * tree-vect-transform.c (vect_create_data_ref_ptr,
20881         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
20882         vect_create_epilog_for_reduction, vectorizable_reduction,
20883         vectorizable_call, vectorizable_conversion,
20884         vectorizable_assignment, vectorizable_operation,
20885         vectorizable_type_demotion, vect_gen_widened_results_half,
20886         vect_permute_store_chain, vectorizable_store,
20887         vect_setup_realignment, vect_permute_load_chain,
20888         vectorizable_load, vectorizable_condition,
20889         vect_create_cond_for_align_checks): Likewise.
20890         * tree-vrp.c (build_assert_expr_for): Likewise.
20891
20892 2007-03-08  Ian Lance Taylor  <iant@google.com>
20893
20894         * tree-vrp.c: Include "intl.h".
20895         (usable_range_p): New static function.
20896         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
20897         overflowed values, juts set *strict_overflow_p.
20898         (compare_values): Only return -2 if one of the operands is not a
20899         constant.
20900         (compare_ranges): Call usable_range_p.
20901         (compare_range_with_value): Likewise.
20902         (vrp_evaluate_conditional_warnv): Rename from
20903         vrp_evaluate_conditional.  Make static.  Change all callers.
20904         (vrp_evaluate_conditional): New function.
20905         (simplify_div_or_mod_using_ranges): Issue warning about reliance
20906         on signed overflow.
20907         (simplify_abs_using_ranges): Likewise.
20908         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
20909         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
20910         within_stmt parameter.
20911         * tree-ssa-propagate.c (fold_predicate_in): Update call to
20912         vrp_evaluate_conditional.
20913         * tree-ssa-threadedge.c
20914         (record_temporary_equivalences_from_stmts_at_dest): Change
20915         simplify parameter to take a second tree parameter.
20916         (simplify_control_stmt_condition): Likewise.
20917         (thread_across_edge): Likewise.
20918         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
20919         (thread_across_edge): Likewise.
20920         * Makefile.in (tree-vrp.o): Depend upon intl.h.
20921
20922 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
20923
20924         * config/i386/i386.h (TARGET_SAHF): New define.
20925         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
20926         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
20927         (x86_sahf): New global variable.
20928         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
20929         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
20930         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
20931         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
20932         for 64-bit.
20933         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
20934         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
20935         when expanding fcomi/sahf based tests.
20936         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
20937         expanding sahf based alternative. Emit sahf based sequence when
20938         optimizing for code size.
20939         * config/i386/i386.md (x86_sahf_1): Do not disable for
20940         TARGET_64BIT, enable for TARGET_SAHF.
20941
20942 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
20943
20944         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
20945         spurious whitespace from error message.
20946
20947 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
20948
20949         PR c++/30852
20950         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
20951
20952 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
20953
20954         * c-decl.c (grokdeclarator): Disable warnings for anonymous
20955         bitfields.
20956         * tree-sra.c (instantiate_element): Propagate disabled warnings
20957         from the element itself to the created variable.
20958
20959 2007-03-07  Richard Henderson  <rth@redhat.com>
20960
20961         PR target/30848
20962         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
20963         silently fix up the stack in the case of a missing register.
20964
20965 2007-03-07  Paul Brook  <paul@codesourcery.com>
20966
20967         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
20968
20969 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
20970
20971         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
20972         New.
20973         (phase1_vrs): Use them.
20974         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
20975         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
20976         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
20977         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
20978         __gnu_Unwind_Restore_WMMXC if required.
20979         (_Unwind_VRS_Pop): Implement iWMMXt support.
20980         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
20981         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
20982         gnu_Unwind_Save_WMMXC): Define.
20983
20984 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
20985
20986         * config/vxworks.h (vxworks_override_options): Declare.
20987         (VXWORKS_OVERRIDE_OPTIONS): Use it.
20988         * config/vxworks.c: Include target.h and toplev.h.
20989         (vxworks_override_options): New function.
20990         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
20991
20992 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
20993
20994         * config/s390/s390.c (override_options): Don't emit an error when
20995         -mstack-size is used without providing -mstack-guard.
20996         (s390_emit_prologue): Choose stack_guard value automatically if not
20997         provided via command line.
20998         * doc/invoke.texi: Adjust description of -mstack-guard and
20999         -mstack-size.
21000
21001 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
21002
21003         * config/i386/i386.c (output_set_got): Add a GOT initialization
21004         sequence for VxWorks PIC.
21005         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
21006         around labels as well as symbols.  Use gotoff_operand instead
21007         of local_symbolic_operand.
21008         (legitimize_pic_address): Use gotoff_operand instead of
21009         local_symbolic_operand.  Use @GOT accesses for labels as
21010         well as symbols.
21011         (ix86_output_addr_diff_elt): Use PC-relative rather than
21012         GP-relative offsets for VxWorks PIC.
21013         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
21014         no_new_pseudos.  Check whether the returned register is op0.
21015         * config/i386/i386.md (tablejump): Use PC-relative rather than
21016         GP-relative offsets for VxWorks PIC.
21017         * config/i386/predicates.md (gotoff_operand): New predicate.
21018
21019 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21020
21021         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
21022         before defining.
21023         * config/vxworks-dummy.h: New file.
21024         * config/i386/i386.h: Include it.
21025
21026 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
21027
21028         * dwarf2out.c (is_inlined_entry_point): New
21029         (add_high_low_attributes): Emit DW_AT_entry_pc along with
21030         DW_AT_ranges if the first subblock is the entry point.
21031
21032 2007-03-06  David Daney  <ddaney@avtrex.com>
21033
21034         * doc/install.texi (mips-*-*): Change recommended binutils
21035         version.
21036
21037 2007-03-06  Anatoly Sokolov <aesok@post.ru>
21038
21039         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
21040         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
21041         devices.
21042         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
21043         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
21044
21045 2007-03-06  Jan Hubicka  <jh@suse.cz>
21046
21047         * errors.h (warning, error, fatal, internal_error): Mark as cold.
21048         * predict.c (maybe_hot_bb): Cold functions are never hot; hot
21049         functions are hot.
21050         (probably_cold_bb_p): Cold functions are cold.
21051         (probably_never_executed_bb_p): Cold functions are cold.
21052         (tree_bb_level_predictions): Predict calls to cold functions as not
21053         taken.
21054         (compute_function_frequency): Check hot/cold attributes.
21055         * function.h (function_frequency): Update comments.
21056         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
21057         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
21058         (c_common_att): Add cold and hot.
21059
21060         * doc/extend.texi (hot,cold attributes): Document.
21061
21062 2007-03-06  Andrew Haley  <aph@redhat.com>
21063
21064         * function.c (expand_function_end): Move blockage to just after we
21065         emit the label for the naked return from the function.
21066
21067 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21068
21069         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
21070         before redefining.
21071
21072 2007-03-06  Jan Hubicka  <jh@suse.cz>
21073
21074         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
21075         loaded for constant large models.  Non-large 64bit PIC can do.
21076         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
21077         * cmodel.h: Add LARGE PIC.
21078         * i386.md (UNSPEC_PLTOFF): New.
21079         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other
21080         unspecs as needed.
21081         (*call_1_rex64): Disable for large models.
21082         (*call_1_rex64_large): New.
21083         (*call_value_1_rex64): Disable for large models.
21084         (*call_value_1_rex64_large): New.
21085         (set_rip_rex4): New.
21086         (set_got_offset_rex64): New.
21087         * predicates.md (constant_call_address_operand): For large model
21088         constant calls are not possible.
21089         * i386-protos.h (construct_plt_address): Declare.
21090         * i386.c (override_options): Accept large models.
21091         (ix86_expand_prologue): Expand large PIC GOT pointer load.
21092         (legitimate_constant_p): Add new UNSPECs.
21093         (legitimate_pic_operand_p): Likewise.
21094         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
21095         (legitimize_pic_address): Do easy RIP relative way for TLS only for
21096         non-large model.
21097         (output_pic_addr_const): Add PLTOFF.
21098         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
21099         (ix86_expand_move): Legitimize pic address when in PIC mode.
21100         (construct_plt_address): New function.
21101         (ix86_expand_call): Offload the address to register and use GOT
21102         pointer for large model.
21103         * invoke.texi (mcmodel=large): Update documentation.
21104
21105 2007-03-06  Richard Henderson  <rth@redhat.com>
21106
21107         * config/i386/i386.c (x86_use_leave, x86_push_memory,
21108         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
21109         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
21110         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
21111         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
21112         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
21113         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
21114         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
21115         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
21116         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
21117         x86_partial_reg_dependency, x86_memory_mismatch_stall,
21118         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
21119         x86_sse_partial_reg_dependency, x86_sse_split_regs,
21120         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
21121         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
21122         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
21123         x86_schedule, x86_use_bt, x86_pad_returns,
21124         x86_use_xchgb): Merge into ...
21125         (ix86_tune_features): ... here.  New array.
21126         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
21127         x86_bswap): Merge into ...
21128         (ix86_arch_features): ... here.  New array.
21129         (x86_3dnow_a): Remove.
21130         (x86_accumulate_outgoing_args): Make static.
21131         (x86_arch_always_fancy_math_387): Make static.
21132         (ix86_tune_mask, ix86_arch_mask): Move ...
21133         (override_options): ... to local variables here.  Apply the
21134         appropriate mask to each element of ix86_arch_features and
21135         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
21136         as were done in the old macros.
21137         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
21138         * config/i386/i386.h (x86_use_leave, x86_push_memory,
21139         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
21140         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
21141         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
21142         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
21143         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
21144         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
21145         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
21146         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
21147         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
21148         x86_partial_reg_dependency, x86_memory_mismatch_stall,
21149         x86_accumulate_outgoing_args, x86_prologue_using_move,
21150         x86_epilogue_using_move, x86_decompose_lea,
21151         x86_arch_always_fancy_math_387, x86_shift1,
21152         x86_sse_partial_reg_dependency, x86_sse_split_regs,
21153         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
21154         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
21155         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
21156         x86_use_incdec, x86_pad_returns, x86_bswap,
21157         x86_partial_flag_reg_stall): Remove.
21158         (enum ix86_tune_indices): New.
21159         (ix86_tune_features): New.
21160         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
21161         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
21162         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
21163         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
21164         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
21165         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
21166         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
21167         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
21168         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
21169         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
21170         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
21171         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
21172         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
21173         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
21174         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
21175         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
21176         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
21177         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
21178         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
21179         TARGET_EXT_80387_CONSTANTS): Use it.
21180         (enum ix86_arch_indices): New.
21181         (ix86_arch_features): New.
21182         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
21183         TARGET_BSWAP): Use it.
21184         (ix86_tune_mask, ix86_arch_mask): Remove.
21185
21186 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
21187
21188         PR bootstrap/31020
21189         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
21190         Define using $${sysroot_headers_suffix}.
21191         * configure: Regenerate.
21192         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
21193         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
21194         defined.
21195         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
21196         * gcc.c (print_sysroot_headers_suffix): New.
21197         (option_map): Include --print-sysroot-headers-suffix.
21198         (display_help): Mention -print-sysroot-headers-suffix.
21199         (process_command): Handle -print-sysroot-headers-suffix.
21200         (do_spec_1): Append multilib directory to include-fixed path if
21201         sysroot suffixes in use.
21202         (main): Handle -print-sysroot-headers-suffix.
21203         * Makefile.in (start.encap): Don't depend on xlimits.h
21204         (xlimits.h): Remove.
21205         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
21206         limits.h for each multilib in fixinc_list.
21207         (fixinc_list, s-fixinc_list): New.
21208         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
21209         generate them for each multilib in fixinc_list.
21210         (stmp-fixproto): Use include-fixed.  Run fixproto for each
21211         multilib in fixinc_list.
21212         (mostlyclean): Don't remove xlimits.h.
21213         (clean): Remove include-fixed.
21214         (real-install-headers-tar, real-install-headers-cpio,
21215         real-install-headers-cp): Don't copy include, only include-fixed.
21216         (install-mkheaders): Depend on fixinc_list.  Don't depend on
21217         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
21218         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
21219         SYSTEM_HEADER_DIR setting in mkheaders.conf.
21220
21221 2007-03-06  Jan Hubicka  <jh@suse.cz>
21222
21223         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
21224         NANs easilly.
21225
21226 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21227
21228         * configure.ac: Allow tm_file to contain build-directory files.
21229         * configure: Regenerate.
21230         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
21231         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
21232         * config/m68k/print-sysroot-suffix.sh: New file.
21233
21234 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21235
21236         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
21237         of pic_offset_table_rtx if reload_completed.
21238         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
21239         PIC_OFFSET_TABLE_REGNUM.
21240         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
21241         return true.
21242         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
21243         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
21244
21245 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21246
21247         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
21248         functions that call eh_return.
21249
21250 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21251
21252         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
21253         functions that need a constant pool.
21254
21255 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21256
21257         PR target/28181
21258         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
21259         (m68k_preferred_reload_class): Likewise.
21260         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
21261         (SECONDARY_RELOAD_CLASS): Define.
21262         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
21263         (LIMIT_RELOAD_CLASS): Delete.
21264         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
21265         registers from storing bytes.
21266         (m68k_secondary_reload_class): New function.
21267         (m68k_preferred_reload_class): Likewise.
21268
21269 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21270
21271         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
21272         leaf functions.
21273         (m68k_expand_prologue): Likewise.
21274
21275 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21276
21277         * config/m68k/m68k-protos.h (output_sibcall): Declare.
21278         (mips_expand_epilogue): Add a bool parameter.
21279         (m68k_legitimize_sibcall_address): Declare.
21280         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
21281         (m68k_expand_epilogue): Add a parameter to select between sibling
21282         and normal epilogues.  Only generate a return for the latter.
21283         (m68k_ok_for_sibcall_p): New function.
21284         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
21285         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
21286         (sibcall_value, *sibcall_value): Likewise.
21287         (*call, *call_value): Require !SIBLING_CALL_P.
21288         (epilogue): Update call to m68k_expand_epilogue.
21289         (sibcall_epilogue): New pattern.
21290         * config/m68k/predicates.md (const_call_operand): Say that this
21291         predicate applies to sibling calls too.
21292         (sibcall_operand): New predicate.
21293
21294 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21295
21296         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
21297         alternatives as movsi_cf.
21298         (movsf_cf_hard): Add commentary.
21299
21300 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
21301             Richard Sandiford  <richard@codesourcery.com>
21302
21303         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
21304         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
21305         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
21306         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
21307         as being live on exit from an interrupt function.
21308         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
21309         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
21310         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
21311         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
21312         (m68k_interrupt_function_p): Globalize.
21313         (m68k_compute_frame_layout): Remove reverse mask code.
21314         (m68k_emit_movem, m68k_set_frame_related): New functions.
21315         (m68k_output_function_prologue): Delete in favor of...
21316         (m68k_expand_prologue): ...this new function.
21317         (m68k_output_function_epilogue): Delete in favor of...
21318         (m68k_expand_epilogue): ...this new function.
21319         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
21320         functions.
21321         (print_operand): Handle %?.
21322         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
21323         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
21324         (prologue, epilogue): New patterns.
21325         (return): Turn into a define_expand.
21326         (*return): New pattern, derived from old "return" pattern.  Use rte
21327         rather than rts for interrupt functions.  Only use rtd if the pop
21328         count is nonzero.
21329         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
21330         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
21331         (link, *link, unlink, *unlink, load_got): Likewise.
21332
21333 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21334
21335         PR target/23482
21336         PR target/17114
21337         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
21338         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
21339         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
21340         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
21341         and m68k_matches_u_p.
21342         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
21343         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
21344         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
21345         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
21346         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
21347         (REG_STRICT_P): New macro.
21348         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
21349         PCREL_GENERAL_OPERAND_OK.
21350         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
21351         m68k_legitimate_base_reg_p.
21352         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
21353         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
21354         (PIC_CASE_VECTOR_ADDRESS): Update comment.
21355         * config/m68k/m68k.c (m68k_address): New structure.
21356         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
21357         (m68k_decompose_index, m68k_legitimate_constant_address_p)
21358         (m68k_jump_table_ref_p, m68k_decompose_address)
21359         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
21360         (m68k_matches_u_p): New functions.
21361         (print_operand_address): Rewrite to use m68k_decompose_index.
21362
21363 2007-03-05  David Taylor  <dtaylor@emc.com>
21364
21365         * gcc.c: Correct copyright date in --version output.
21366
21367 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
21368
21369         * pa.md: In unamed move patterns, disparge copies between general
21370         and floating point registers using '?' modifier.  Don't include 'f'
21371         constraint for register preferences in DImode, SImode, HImode and
21372         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
21373         Remove constraints for copies between general and floating registers
21374         in soft-float DFmode pattern.
21375         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
21376         floating register.
21377         (movsf): Likewise.
21378
21379 2007-03-05  Mike Stump  <mrs@apple.com>
21380
21381         * c-common.c (targetcm): Add.
21382         * c-opts.c (c_common_handle_option): Handle language specific
21383         target options.
21384         * opts.c (handle_option): Verify language for target options, if
21385         any are given.
21386         * opth-gen.awk: Add CL_LANG_ALL.
21387         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
21388         (TARGETCM_INITIALIZER): Add.
21389         * target.h (struct gcc_targetcm): Add.
21390         (targetcm): Add.
21391         * targhooks.c (default_handle_c_option): Add.
21392         * targhooks.h (default_handle_c_option): Add.
21393         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
21394
21395         * config/darwin.opt (iframework): Add.
21396         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
21397         * config/darwin-c.c (handle_c_option): Add.
21398         (TARGET_HANDLE_C_OPTION): Add.
21399         (targetcm): Add.
21400         * doc/invoke.texi (Darwin Options): Add -iframework.
21401
21402 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
21403
21404         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
21405         conversion.
21406
21407 2007-03-05  Ian Lance Taylor  <iant@google.com>
21408
21409         * c.opt (fgnu89-inline): New option.
21410         * c-opts.c (c_common_post_options): Set default value for
21411         flag_gnu89_inline.
21412         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
21413         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
21414         inline functions.
21415         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
21416         (grokdeclarator, start_function): Likewise.
21417         * c-cppbuiltin.c (c_cpp_builtins): Define either
21418         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
21419         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
21420         (C Dialect Options): Document -fgnu89-inline.
21421         * doc/extend.texi (Function Attributes): Explain what the
21422         gnu_inline attribute does.
21423         * doc/cpp.texi (Common Predefined Macros): Document
21424         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
21425
21426 2007-03-05  Ian Lance Taylor  <iant@google.com>
21427
21428         PR tree-optimization/31034
21429         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
21430         half-range if the other side is an overflow infinity.
21431
21432 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
21433
21434         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
21435         (bfin*-linux-uclibc*): New configuration.
21436         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
21437         defining.
21438         * config/bfin/linux.h: New file.
21439         * config/bfin/libgcc-bfin.ver: New file.
21440         * config/bfin/t-bfin-uclinux: New file.
21441         * config/bfin/t-bfin-linux: New file.
21442         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
21443         (TARGET_OS_CPP_BUILTINS): New macro.
21444
21445 2007-03-05  Richard Guenther  <rguenther@suse.de>
21446
21447         * fold-const.c (fold_binary): Remove duplicate folding
21448         of comparison of non-null ADDR_EXPR against null.
21449
21450 2007-03-05  Richard Guenther  <rguenther@suse.de>
21451             Dorit Nuzman  <dorit@il.ibm.com>
21452
21453         PR tree-optimization/26420
21454         * tree-vectorizer.c (vectorize_loops): Bail out early if there
21455         are no loops in the function.  Only print the number of
21456         vectorized loops if it is greater than zero or we are supposed
21457         to print information about unvectorized loops.
21458
21459 2007-03-05  Revital Eres  <eres@il.ibm.com>
21460
21461         * gcc.dg/var-expand1.c: New test.
21462         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
21463         when an accumulator is expanded.
21464
21465 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
21466
21467         PR other/30465
21468         * c-common.c (convert_and_check): Don't give warnings for
21469         conversion if 'expr' already overflowed.
21470
21471 2007-03-04  Roger Sayle  <roger@eyesopen.com>
21472
21473         PR middle-end/30744
21474         * fold-const.c (fold_comparison): Enforce type consistency when
21475         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
21476
21477 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
21478
21479         * tree-ssa-address.c (create_mem_ref): Do not put an expression
21480         containing a cast to the base of TARGET_MEM_REF.
21481
21482 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
21483
21484         * tree.c (tree_contains_struct_check_failed): Remove spurious
21485         whitespace from error message.
21486
21487 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
21488
21489         PR target/30406
21490         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
21491         instead of precision.
21492
21493 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
21494             Nathan Sidwell  <nathan@codesourcery.com>
21495
21496         * emit-rtl.c (find_auto_inc): New.
21497         (try_split): recreate REG_INC notes,
21498         Use regular for loops rather than whiles.
21499
21500 2007-03-03  Andreas Schwab  <schwab@suse.de>
21501
21502         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
21503         * configure: Regenerate.
21504
21505 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
21506
21507         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
21508         flag_rounding_math, not flag_unsafe_math_optimizations.
21509
21510         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
21511         fold_build2.
21512         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
21513         alpha_fold_vector_minmax): Likewise.
21514         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
21515         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
21516
21517 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
21518
21519         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
21520         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
21521         if the lhs has side-effects.
21522         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
21523
21524 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
21525
21526         * config/i386/i386.h (TUNEMASK): Remove define.
21527         (ARCHMASK): Remove define.
21528         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
21529          Use ix86_arch_mask variable instead of ARCHMASK.
21530         * config/i386/i386.c (override_options): Ditto.
21531         (standard_80387_constant_p): Ditto.
21532
21533 2007-03-02  Ian Lance Taylor  <iant@google.com>
21534
21535         Used signed infinities in VRP.
21536         * tree-vrp.c (uses_overflow_infinity): New static function.
21537         (supports_overflow_infinity): New static function.
21538         (make_overflow_infinity): New static function.
21539         (negative_overflow_infinity): New static function.
21540         (positive_overflow_infinity): New static function.
21541         (is_negative_overflow_infinity): New static function.
21542         (is_positive_overflow_infinity): New static function.
21543         (is_overflow_infinity): New static function.
21544         (overflow_infinity_range_p): New static function.
21545         (compare_values_warnv): New function split out of compare_values.
21546         (compare_value): Call it.
21547         (set_value_range_to_nonnegative): Add overflow_infinity
21548         parameter.  Change caller.
21549         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
21550         Change callers.
21551         (vrp_expr_computes_nonzero): Likewise.
21552         (compare_ranges, compare_range_with_value): Likewise.
21553         (compare_name_with_value, compare_names): Likewise.
21554         (vrp_evaluate_conditional): Likewise.
21555         (set_value_range): Handle infinity
21556         (vrp_operand_equal_p, operand_less_p): Likewise.
21557         (extract_range_from_assert): Likewise.
21558         (vrp_int_const_binop): Likewise.
21559         (extract_range_from_binary_expr): Likewise.
21560         (extract_range_from_unary_expr): Likewise.
21561         (extract_range_from_comparison): Likewise.
21562         (extract_range_from_expr): Likewise.
21563         (dump_value_range): Likewise.
21564         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
21565         (test_for_singularity): Likewise.
21566         (vrp_int_const_binop): Remove inline qualifier.
21567         (adjust_range_with_scev): Add comment.
21568         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
21569
21570 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
21571
21572         * tree-ssa-structalias.c (could_have_pointers): Tidy.
21573         (get_constraint_for): Likewise.
21574         (do_structure_copy): Likewise.
21575         (find_func_aliases): Fix references to MODIFY_EXPR.
21576         (intra_create_variable_infos): Tidy.
21577         * tree-ssa-operands.c (add_virtual_operand): Add argument
21578         IS_CALL_SITE.
21579         When adding members of alias sets, if IS_CALL_SITE is true and
21580         the symbol is not call-clobbered, skip it.
21581         Adjust all callers.
21582
21583 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
21584
21585         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
21586         entry by means of emit_insn_at_entry.
21587
21588 2007-03-02  Richard Henderson  <rth@redhat.com>
21589
21590         * expr.h (promoted_input_arg): Remove decl.
21591         * function.c (promoted_input_arg): Merge into ...
21592         * combine.c (setup_incoming_promotions): ... only caller.
21593         Rearrange to avoid double loop.
21594
21595 2007-03-02  Ben Elliston  <bje@au.ibm.com>
21596             Peter Bergner  <bergner@vnet.ibm.com>
21597             Janis Johnson  <janis187@us.ibm.com>
21598
21599         * config/rs6000/dfp.md: New file.
21600         * config/rs6000/rs6000.md: Include dfp.md.
21601         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
21602         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
21603         and TDmode decimal float modes in FP registers.
21604         (num_insns_constant): Likewise.
21605         (rs6000_legitimate_offset_address_p): Likewise.
21606         (rs6000_legitimize_address): Likewise.
21607         (rs6000_legitimize_reload_address): Likewise.
21608         (rs6000_legitimate_address): Likewise.
21609         (rs6000_emit_move): Likewise.
21610         (function_arg_boundary): Likewise.
21611         (function_arg_advance): Likewise.
21612         (rs6000_darwin64_record_arg_recurse): Likewise.
21613         (function_arg): Likewise.
21614         (rs6000_gimplify_va_arg): Likewise.
21615         (rs6000_split_multireg_move): Likewise.
21616         (rs6000_output_function_epilogue): Likewise.
21617         (rs6000_output_function_epilogue): Likewise.
21618         (rs6000_register_move_cost): Likewise.
21619         (rs6000_function_value): Likewise.
21620         (rs6000_libcall_value): Likewise.
21621
21622 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
21623
21624         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
21625
21626 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
21627
21628         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
21629         Use $MULTIDIR to choose between the kernel and RTP headers,
21630         and use $WIND_BASE and $WIND_USR to locate them.
21631
21632 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
21633
21634         * config/i386/i386.c (override_options): Put initialization of
21635         ix86_tune_mask and ix86_arch_mask to the correct place.
21636
21637 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
21638             Michael Meissner  <michael.meissner@amd.com>
21639
21640         PR target/31019
21641         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
21642         (ARCHMASK): Define.
21643         (TARGET_CMOVE): Use ARCHMASK.
21644         (TARGET_CMPXCHG): Ditto.
21645         (TARGET_CMPXCHG8B): Ditto.
21646         (TARGET_XADD): Ditto.
21647         (TARGET_BSWAP): Ditto.
21648         * config/i386/i386.c (ix86_tune_mask): New global variable.
21649         (ix86_arch_mask): Ditto.
21650         (override_options): Initialize ix86_tune_mask and
21651         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
21652         target_flags.
21653
21654 2007-03-02  Ben Elliston  <bje@au.ibm.com>
21655
21656         PR 30992
21657         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
21658
21659 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
21660
21661         * target.h (init_dwarf_reg_sizes_extra): New target hook.
21662         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
21663         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
21664         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
21665         hook.
21666         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
21667         rs6000_init_dwarf_reg_sizes_extra): New.
21668         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
21669         SPE register high parts.
21670
21671 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
21672
21673         * Makefile.in: Add install-pdf target as
21674         copied from automake v1.10 rules.
21675         * configure.ac: Add install-pdf to target list.
21676         * configure: Regenerate.
21677
21678 2007-03-01  Paul Brook  <paul@codesourcery.com>
21679
21680         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
21681         modes to LDRD for DImode.
21682         (output_move_double): Fixup out of range ldrd/strd.
21683         (vfp_secondary_reload_class): Rename...
21684         (coproc_secondary_reload_class): ... to this.  Add wb argument.
21685         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
21686         coproc_secondary_reload_class for CLASS_IWMMXT.
21687         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
21688         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
21689
21690 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
21691
21692         * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the
21693         unroll factor by the estimated number of iterations.
21694         (loop_prefetch_arrays): Do not prefetch in loops that iterate less
21695         than prefetch latency.
21696
21697         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
21698         decode_caches_intel, detect_caches_intel): New functions.
21699         (host_detect_local_cpu): Use detect_caches_amd and
21700         detect_caches_intel.
21701
21702 2007-03-01  Richard Henderson  <rth@redhat.com>
21703
21704         * expr.c (emit_move_complex_push): Export.
21705         (emit_move_complex_parts): Split out from ...
21706         (emit_move_complex): ... here.
21707         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
21708         * config/i386/i386.md (movcdi): New.
21709
21710 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
21711
21712         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
21713         size of mode1 to check for tieable modes in MMX case.
21714
21715 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
21716
21717         * Makefile.in (rtlanal.o): Depend on tree.h.
21718         * rtl.h (offset_within_section_p, split_const): Declare.
21719         * rtlanal.c: Include tree.h.
21720         (offset_within_block_p): New function, taken from
21721         mips_offset_within_object_p.
21722         (split_const): New function, taken from mips_split_const.
21723         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
21724         Declare.
21725         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
21726         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
21727         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
21728         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
21729         (m68k_illegitimate_symbolic_constant_p): New function.
21730         * config/m68k/m68k.md (movsi): Remove misleading predicates.
21731         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
21732         symbolic constant that might be outside the symbol's section,
21733         move the symbol first and then add the offset.
21734         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
21735         Override.
21736         * config/mips/mips.c (mips_split_const): Delete.
21737         (mips_offset_within_object_p): Delete.
21738         (mips_symbolic_constant_p): Use offset_within_section_p and
21739         split_const instead of mips_offset_within_object_p and
21740         mips_split_const.
21741         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
21742         (mips_legitimize_const_move, print_operand_reloc)
21743         (mips_dangerous_for_la25_p): Use split_const instead of
21744         mips_split_const.
21745
21746 2007-02-28  Eric Christopher  <echristo@apple.com>
21747
21748         * Makefile.in (install-include-dir): Don't rm -rf include.
21749
21750 2007-02-28  Richard Guenther  <rguenther@suse.de>
21751
21752         PR middle-end/30364
21753         * fold-const.c (fold_binary): Do not associate expressions
21754         with more than one variable for integer types that do not wrap.
21755
21756 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
21757
21758         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
21759         Delete, and replace with...
21760         (fold_builtin_call_array): This.  Update callers to use it.
21761         * fold-const.c (fold_build_call_list): Delete, and replace with...
21762         (fold_build_call_array): This.
21763         (fold_build_call_list_initializer): Delete, and replace with...
21764         (fold_build_call_array_initializer): This.
21765         * tree.h: Update declarations to reflect above changes.
21766
21767         * c-typeck.c (build_function_call): Store converted arguments
21768         in a stack-allocated array instead of building a list.
21769         (convert_arguments): Store arguments in the array passed in as an
21770         argument, and return the actual number of arguments.
21771         * c-format.c: (check_function_format): Pass arguments in an
21772         array instead of a list.
21773         * c-common.c (check_function_nonnull): Likewise.
21774         (check_function_sentinel): Likewise.
21775         (check_function_arguments): Likewise.
21776         * c-common.h: Update declarations to reflect above changes.
21777
21778 2007-02-28  Jan Hubicka  <jh@suse.cz>
21779
21780         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
21781         PRED_NEGATIVE_RETURN): Update outcomes.
21782
21783 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
21784
21785         * calls.c (emit_library_call_value_1): Handle partial registers
21786         correctly when building up CALL_INSN_FUNCTION_USAGE.
21787
21788 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
21789
21790         * pa/predicates.md (move_src_operand): Allow zero for mode.
21791         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
21792         move pattern.
21793
21794 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
21795
21796         PR target/30970
21797         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
21798         *movv2df_internal): Enable pattern only for valid operand
21799         combinations.
21800         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
21801         tie only 128bit modes. For MMX registers, tie only 64bit modes.
21802
21803 2007-02-27  Mike Stump  <mrs@apple.com>
21804
21805         * config/darwin-crt3.c: Avoid compilation when compiling for a
21806         kext multilib.
21807
21808 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
21809
21810         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
21811         FIXED_INCLUDE_DIR.
21812         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
21813         for fixed headers and limits.h.
21814         (install-include-dir, install-headers-tar, install-headers-cpio,
21815         install-headers-cp, real-install-headers-tar,
21816         real-install-headers-cpio, real-install-headers-cp): Handle
21817         include-fixed as well as include.
21818         (install-mkheaders): Don't install files that go only in include
21819         not include-fixed.
21820         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
21821         from GCC_INCLUDE_DIR.
21822         * gcc.c (process_command): Remove special -BstageN/ handling.
21823         (do_spec_1): Add include-fixed directories.
21824
21825 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
21826
21827         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
21828         _smulsi3_highpart.
21829         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
21830         New functions.
21831         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
21832         patterns.
21833
21834 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
21835
21836         * c-common.c (get_priority): Add check for
21837         SUPPORTS_INIT_PRIORITY.
21838
21839 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
21840
21841         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
21842
21843         * config/bfin/bfin.c: Include "cfglayout.h".
21844         (MAX_LSETUP_DISTANCE): New macro.
21845         (struct loop_info): New members incoming, incoming_src and
21846         incoming_dest.  Delete member predecessor.
21847         (length_for_loop): New function.
21848         (bfin_optimize_loop): Handle more different loop structures.
21849         (bfin_discover_loop): Rework detection of predecessor blocks by
21850         examining incoming edges.
21851         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
21852         bfin_reorg_loops.
21853         (bfin_reorder_loops): New function.
21854         (bfin_reorg_loops): Use these three new functions.
21855
21856         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
21857         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
21858         (CONSTRAINT_LEN): Add entry for 'q'.
21859         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
21860         Add 'q' constraints.
21861         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
21862         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
21863
21864         * config/bfin/bfin.md (add_with_carry): New pattern.
21865         (s_or_u, su_optab, su_modifier): New code macros/attrs.
21866         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
21867         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
21868         support unsigned multiplies too.  Removed incorrect commutativity from
21869         operand 1 constraint where appropriate.
21870         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
21871         patterns.
21872         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
21873         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
21874         New patterns.
21875         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
21876         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
21877         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
21878         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
21879         usmulhisi_hh_huh): New patterns.
21880
21881         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
21882         lshifthi3): Fix output template to use half reg for operand 2.
21883
21884         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
21885         instead of R2.
21886
21887         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
21888
21889 2007-02-27  Andreas Schwab  <schwab@suse.de>
21890
21891         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
21892
21893 2007-02-27  Jan Hubicka  <jh@suse.cz>
21894
21895         * predict.c (last_basic_block_p): Remove.
21896         (tree_estimate_probability): Update return heuristic for commonized
21897         return blocks.
21898
21899 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
21900
21901         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
21902
21903 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
21904
21905         * doc/include/gcc-common.texi (versionsubtitle): New macro.
21906         * doc/cpp.texi: Standardize title page.
21907         * doc/cppinternals.texi: Likewise.
21908         * doc/gcc.texi: Standardize title page, remove version number
21909         from copyright page.
21910         * doc/gccint.texi: Likewise.
21911         * doc/install.texi: Standardize title page, add table of
21912         contents.
21913
21914 2007-02-26  Jan Hubicka  <jh@suse.cz>
21915
21916         * predict.def: Set outcomes according to more recent results.
21917         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
21918         Remove dead predictors.
21919         * predict.c (return_prediction): Fix pasto.
21920
21921 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
21922
21923         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
21924         change; avoid a memory leak when returning early.
21925
21926 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
21927
21928         * c-decl.c (static_ctors): Move to c-common.c.
21929         (static_dtors): Likewise.
21930         (finish_function): Use c_record_cdtor_fn.
21931         (build_cdtor): Move to c-common.c.
21932         (c_write_global_declarations): Use c_build_cdtor_fns.
21933         * c-common.h (static_ctors): Declare.
21934         (static_dtors): Likewise.
21935         (c_record_cdtor_fn): Likewise.
21936         (c_build_cdtor_fns): Likewise.
21937         * c-common.c (static_ctors): New variable.
21938         (static_dtors): Likewise.
21939         (c_record_cdtor_fn): New function.
21940         (build_cdtor): Move from c-decl.c
21941         (c_build_cdtor_fns): New function.
21942
21943         * output.h (assemble_addr_to_section): Declare.
21944         (get_cdtor_priority_section): Likewise.
21945         * varasm.c (assemble_addr_to_section): New function.
21946         (get_cdtor_priority_section): Likewise.
21947         (default_named_section_asm_out_destructor): Use them.
21948         (destor_dtor_section_asm_out_destructor): Likewise.
21949         (default_named_section_asm_out_constructor): Likewise.
21950         (default_ctor_section_asm_out_constructor): Likewise.
21951         * config.gcc (*-*-vxworks*): Include vxworks.o.
21952         * config/t-vxworks (vxworks.o): New target.
21953         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
21954         (TARGET_ASM_CONSTRUCTOR): Define.
21955         (TARGET_ASM_DESTRUCTOR): Likewise.
21956         (vxworks_asm_out_constructor): Declare.
21957         (vxworks_asm_out_destructor): Likewise.
21958
21959         * c-common.c (get_priority): Check that we have not just an
21960         INTEGER_CST, but an integer constant with integeral type.
21961
21962 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
21963
21964         PR tree-optimization/30938
21965         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
21966         use &dt[nargs-1] instead of &dt[nargs] in the call to
21967         vect_is_simple_use().
21968
21969 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
21970
21971         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
21972         from register elimination as PRE_MODIFY / POST_MODIFY increments.
21973         Do not attempt to handle MEM inside auto-inc expressions.
21974         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
21975         of a register modified by an auto-inc expression.  However, do handle
21976         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
21977         (elimination_effects): Prohibit elimination of a register modified
21978         by an auto-inc expression.  Disable register elimination rules whose
21979         target register is modified by an auto-inc expression with variable
21980         increment.
21981
21982 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
21983
21984         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
21985         off-by-one error.
21986         (array_at_struct_end_p): New function.
21987         (idx_infer_loop_bounds): Use it.
21988         (estimate_numbers_of_iterations_loop): Export.
21989         * predict.c (predict_loops): Use estimated_loop_iterations_int.
21990         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
21991         (tree_estimate_probability): Call record_loop_exits.
21992         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
21993         (estimated_loop_iterations, estimated_loop_iterations_int,
21994         estimated_loop_iterations_tree): New functions.
21995         (analyze_siv_subscript_cst_affine,
21996         compute_overlap_steps_for_affine_1_2,
21997         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
21998         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
21999         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
22000         (PRED_LOOP_ITERATIONS_GUESSED): New.
22001         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
22002         * cfgloop.h (estimate_numbers_of_iterations_loop,
22003         estimated_loop_iterations_int): Declare.
22004
22005 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
22006
22007         * doc/extend.texi: Document optional priority argument to
22008         constructors and destructors.
22009         * tree.c (init_priority_for_decl): Adjust GTY markers.
22010         (init_ttree): Use priority-info hash functions for
22011         init_priority_for_decl.
22012         (tree_map_eq): Rename to ...
22013         (tree_map_base_eq): ... this.
22014         (tree_map_marked_p): Rename to ...
22015         (tree_map_base_marked_p): ... this.
22016         (tree_map_base_hash): New function.
22017         (decl_init_priority_lookup): Rework.
22018         (decl_fini_priority_lookup): New function.
22019         (decl_priority_info): New function.
22020         (decl_init_priority_insert): Use it.
22021         (decl_fini_priority_insert): Likewise.
22022         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
22023         hierarchy.
22024         (decl_restrict_base_insert): Likewise.
22025         (decl_debug_expr_insert): Likewise.
22026         (decl_value_expr_lookup): Likewise.
22027         (decl_value_expr_insert): Likewise.
22028         * tree.h (priority_type): New type.
22029         (decl_init_priority_lookup): Use priority_type.
22030         (decl_fini_priority_lookup): New function.
22031         (decl_init_priority_insert): Use priority_type.
22032         (decl_fini_priority_insert): New function.
22033         (DECL_HAS_INIT_PRIORITY): Tweak comments.
22034         (DECL_INIT_PRIORITY): Likewise.
22035         (SET_DECL_INIT_PRIORITY): Add comment.
22036         (DECL_FINI_PRIORITY): New macro.
22037         (SET_DECL_FINI_PRIORITY): Likewise.
22038         (DEFAULT_INIT_PRIORITY): Document.
22039         (MAX_INIT_PRIORITY): Likewise.
22040         (MAX_RESERVED_INIT_PRIORITY): Likewise.
22041         (tree_map_base): New type.
22042         (tree_map_base_eq): New function.
22043         (tree_map_base_hash): Likewise.
22044         (tree_map_base_marked_p): Likewise.
22045         (tree_map): Inherit from tree_map_base.
22046         (tree_map_eq): Make it a macro.
22047         (tree_map_marked_p): Likewise.
22048         (tree_int_map): Inherit from tree_map_base.
22049         (tree_int_map_eq): Make it a macro.
22050         (tree_int_map_hash): Likewise.
22051         (tree_int_map_marked_p): Likewise.
22052         (tree_priority_map): New type.
22053         (tree_priority_map_eq): New macro.
22054         (tree_priority_map_hash): Likewise.
22055         (tree_priority_map_marked_p): Likewise.
22056         * varasm.c (emults_decl): Adjust for refactoring of tree_map
22057         hierarchy.
22058         (emutls_common_1): Likewise.
22059         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
22060         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
22061         of tree_map hierarchy.
22062         * tree-cfg.c (move_stmt_r): Likewise.
22063         (new_label_mapper): Likewise.
22064         * c-tree.h (c_expand_body): Move to ...
22065         * c-common.h (c_expand_body): ... here.
22066         * c-decl.c (c_expand_body): Move to ...
22067         * c-common.c (c_expand_body): ... here.
22068         (c_common_attribute_table): Allow 1 argument for the constructor
22069         and destructor attributes.
22070         (get_priority): New function.
22071         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
22072         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
22073
22074 2007-02-24  Jan Hubicka  <jh@suse.cz>
22075
22076         PR middle-end/30509
22077         * tree-inline.c (copy_bb): Produce exact copy of EH info when
22078         copying for inlining.
22079
22080 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
22081             Jan Hubicka  <jh@suse.cz>
22082
22083         PR target/30778
22084         * i386.c (counter_mode): New function.
22085         (expand_set_or_movmem_via_loop): Use it.
22086         (expand_movmem_epilogue): Likewise; fix pasto.
22087         (ix86_expand_movmem): Do emit guard even for constant counts.
22088         (ix86_expand_setmem): Likewise.
22089
22090 2007-02-25  Nick Clifton  <nickc@redhat.com>
22091
22092         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
22093         (JUMP_TABLES_IN_TEXT_SECTION): Define.
22094
22095 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
22096
22097         PR target/30770
22098         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
22099         count argument with 0x10, not with 0x16.
22100         (expand_setmem_epilogue): Ditto.
22101
22102 2007-02-24  Mike Stump  <mrs@apple.com>
22103
22104         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
22105         symbols.
22106
22107 2007-02-24  Richard Guenther  <rguenther@suse.de>
22108
22109         PR middle-end/30951
22110         * fold-const.c (fold_binary): Fold x +- CST op x for
22111         EQ_EXPR and NE_EXPR.
22112
22113 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22114
22115         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
22116
22117 2007-02-24  Jan Hubicka  <jh@suse.cz>
22118
22119         * cgraphunit.c (decide_is_function_needed): Honor
22120         -fkeep-inline-functions.
22121
22122 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22123
22124         * builtins.c (fold_builtin_modf): New.
22125         (fold_builtin_2): Use it.
22126
22127 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
22128
22129         * loop-iv.c (implies_p): Detect additional cases where A implies B.
22130         (determine_max_iter): Take additional LOOP arg; all callers changed.
22131         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
22132         one using simplifications.
22133         (simplify_using_initial_values): Return if the expression becomes
22134         invalid due to altered regs.
22135
22136 2007-02-23  DJ Delorie  <dj@redhat.com>
22137
22138         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
22139
22140 2007-02-23  Mike Stump  <mrs@apple.com>
22141
22142         * tlink.c (scan_linker_output): Parse linker messages from
22143         darwin9's linker better.
22144
22145 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
22146
22147         PR debug/29614
22148         * varpool.c (varpool_assemble_pending_decls): Set
22149         varpool_last_needed_node to null.
22150
22151 2007-02-23  DJ Delorie  <dj@redhat.com>
22152
22153         * config/i386/i386.c (ix86_data_alignment): Don't specify an
22154         alignment bigger than the object file can handle.
22155
22156 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
22157
22158         PR target/30825
22159         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
22160         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
22161         (*movsf_1): Penalize MMX moves.
22162
22163 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
22164
22165         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
22166         2^32-1 or more times unless flag_unsafe_loop_optimizations.
22167
22168         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
22169
22170 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22171
22172         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
22173         (fold_builtin_1): Use them.
22174         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
22175         BUILT_IN_SIGNIFICAND.
22176
22177 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
22178
22179         * config/i386/i386.c (bdesc_1arg): Initialize
22180         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
22181         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
22182         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
22183         and IX86_BUILTIN_MOVSLDUP.
22184
22185 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
22186
22187         PR rtl-optimization/30841
22188         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
22189
22190 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22191
22192         * builtins.c (fold_builtin_frexp): New.
22193         (fold_builtin_2): Use it.
22194
22195 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
22196
22197         * doc/invoke.texi (Spec Files): Document getenv spec function.
22198
22199         * gcc.c (getenv_spec_function): New function.
22200         (static_spec_functions): Add it.
22201         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
22202         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
22203         header files.
22204
22205 2007-02-22  Michael Matz  <matz@suse.de
22206
22207         PR c++/29433
22208         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
22209         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
22210
22211 2007-02-22  Ian Lance Taylor  <iant@google.com>
22212
22213         PR debug/30898
22214         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
22215         (mem_loc_descriptor): Call it.
22216
22217 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
22218             Ira Rosen  <irar@il.ibm.com>
22219
22220         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
22221
22222 2007-02-22  Ira Rosen  <irar@il.ibm.com>
22223
22224         PR tree-optimization/30843
22225         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
22226         stores only after all the group is vectorized.
22227
22228 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
22229
22230         PR tree-optimization/30858
22231         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
22232         in the reduction cycle have a single use in the loop.
22233         * tree-vectorizer.h (relevant): Add documentation.
22234
22235 2007-02-20  Mike Stump  <mrs@apple.com>
22236
22237         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
22238         * configure: Regenerate.
22239
22240 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
22241
22242         Change the defaults of some parameters and options.
22243         * config/spu/spu-protos.h (spu_optimization_options): Declare.
22244         * config/spu/spu.c (spu_optimization_options): Add.
22245         (spu_override_options): Change params in spu_optimization_options.
22246         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
22247
22248         Register 127 is only 16 byte aligned when used as a frame pointer.
22249         * config/spu/spu-protos.h (spu_init_expanders): Declare.
22250         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
22251         HARD_FRAME_POINTER_REGNUM.
22252         (spu_legitimate_address): Use regno_aligned_for_reload.
22253         (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
22254         aligned when frame_pointer_needed is true.
22255         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
22256         to 8 bits.
22257         * config/spu/spu.h (INIT_EXPANDERS): Define.
22258
22259         Make sure shift and rotate instructions have valid immediate operands.
22260         * config/spu/predicates.md (spu_shift_operand): Remove.
22261         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
22262         * config/spu/constraints.md (W, O): Extend range.
22263         * config/spu/spu.md (umask, nmask): Define.
22264         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
22265         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
22266         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
22267         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
22268         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
22269         (lshr<mode>3_reg): Fix rtl description.
22270
22271         Make sure mulhisi immediate operands are valid.
22272         * config/spu/predicates.md (imm_K_operand): Add.
22273         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
22274
22275         Generate constants using fsmbi and andi.
22276         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
22277         (print_operand, spu_split_immediate, classify_immediate,
22278         fsmbi_const_p): Handle IC_FSMBI2.
22279
22280         Correctly handle a CONST_VECTOR containing symbols.
22281         * config/spu/spu.c (print_operand): Handle HIGH correctly.
22282         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
22283         (immediate_load_p): Allow symbols that use 2 instructions to create.
22284         (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
22285         with symbols when flag_pic is set.
22286         (const_vector_immediate_p): New.
22287         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
22288         accept a CONST_VECTOR with symbols.
22289         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
22290         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
22291         correctly.
22292         * config/spu/spu.md (high, low): Delete.
22293         (low_<mode>): Define.
22294
22295         Remove INTRmode and INTR_REGNUM, which didn't work.
22296         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
22297         of INTR_REGNUM.
22298         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
22299         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
22300         peephole2 pattern): Don't use INTR or 131.
22301         (movintrcc): Delete.
22302         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
22303         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
22304         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
22305         (UNSPEC_SET_INTR): Add.
22306         * config/spu/spu-modes.def (INTR): Remove.
22307
22308         More accurate warnings about run-time relocations.
22309         * config/spu/spu.c (reloc_diagnostic): Test in_section.
22310
22311         Correctly warn about immediate arguments to specific intrinsics.
22312         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
22313         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
22314         the instruction predicate.
22315
22316         Fix tree check errors with latest update.
22317         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
22318         CALL_EXPR_ARG.
22319         (spu_expand_builtin): Use CALL_EXPR_FN.
22320
22321         Add missing specific intrinsics.
22322         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
22323         si_bislede.
22324         * config/spu/spu_internals.h: Ditto.
22325
22326         Fix incorrect operand modifiers.
22327         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
22328         * config/spu/spu.md (xor<mode>3): Change %S to %J.
22329
22330         Optimize one case of zero_extend of a vec_select.
22331         * config/spu/spu.md (_vec_extractv8hi_ze): Add.
22332
22333         Accept any immediate for hbr.
22334         * config/spu/spu.md (hbr): Change s constraints to i.
22335
22336 2007-02-21  Paul Brook  <paul@codesourcery.com>
22337
22338         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
22339         condexec_count when skipping USE and CLOBBER.
22340
22341 2007-02-21  Nick Clifton  <nickc@redhat.com>
22342
22343         * common.opt (Warray-bounds): Add Warning attribute.
22344         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
22345         Likewise.
22346         (fsized-zeroes): Add Optimization attribute.
22347         (fsplit-wide-types, ftree-scev-cprop): Likewise.
22348         * c.opt (Wc++0x-compat): Add Warning attribute.
22349
22350 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
22351
22352         PR middle-end/30761
22353         * reload1.c (eliminate_regs_in_insn): In the single_set special
22354         case, attempt to re-recognize the insn before falling back to
22355         having reload fix it up.
22356
22357 2007-02-20  Eric Christopher  <echristo@gmail.com>
22358
22359         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
22360         Rewrite accordingly.
22361         (frv_read_iacc_argument): Ditto.
22362         (frv_expand_set_builtin): Take a call instead of arglist, update for
22363         above changes.
22364         (frv_expand_unop_builtin): Ditto.
22365         (frv_expand_binop_builtin): Ditto.
22366         (frv_expand_cut_builtin): Ditto.
22367         (frv_expand_binopimm_builtin): Ditto.
22368         (frv_expand_voidbinop_builtin): Ditto.
22369         (frv_expand_int_void2arg): Ditto.
22370         (frv_expand_prefetches): Ditto.
22371         (frv_expand_voidtriop_builtin): Ditto.
22372         (frv_expand_voidaccop_builtin): Ditto.
22373         (frv_expand_load_builtin): Ditto.
22374         (frv_expand_store_builtin): Ditto.
22375         (frv_expand_mdpackh_builtin): Ditto.
22376         (frv_expand_mclracc_builtin): Ditto.
22377         (frv_expand_mrdacc_builtin): Ditto.
22378         (frv_expand_mwtacc_builtin): Ditto.
22379         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
22380         calls for above.
22381
22382 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
22383
22384         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
22385         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
22386         cmpb instruction.
22387         (HAVE_GAS_DFP): Check for assembler support of decimal floating
22388         point instructions.
22389         * configure: Regenerate.
22390         * config.in: Regenerate.
22391         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
22392         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
22393         masks to power6 and power6x and to POWERPC_MASKS.
22394         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
22395         _ARCH_PWR6.
22396         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
22397         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
22398         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
22399         Access PROTOTYPE as variable, not mask.
22400
22401 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
22402
22403         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
22404         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
22405         * combine.c (adjust_for_new_dest): Use it.
22406         * postreload.c (reload_combine): Likewise.
22407
22408 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
22409
22410         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
22411         notes on an insn with multiple sets, even if single_set returns
22412         non-NULL for that insn.
22413
22414 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22415
22416         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
22417         scalbn and scalbln.
22418
22419 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
22420
22421         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
22422         if user didn't pass it.
22423         * config/i386/darwin.h (CC1_SPEC): Likewise.
22424         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
22425         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
22426         -mmacosx-version-min.
22427
22428 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22429             Uros Bizjak  <ubizjak@gmail.com>
22430
22431         * optabs.h (enum optab_index): Add new OTI_scalb.
22432         (scalb_optab): Define corresponding macro.
22433         * optabs.c (init_optabs): Initialize scalb_optab.
22434         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
22435         patterns.
22436         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
22437         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
22438         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
22439         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
22440         flag_unsafe_math_optimizations is set.
22441
22442         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
22443         to implement scalbf, scalb and scalbl built-ins as inline x87
22444         intrinsics.
22445
22446 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
22447             DJ Delorie <dj@redhat.com>
22448
22449         PR other/30824
22450         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
22451         (diagnostic_report_diagnostic): ... here, and turn them into real
22452         errors. If warnings are inhibited, no need to do anything.
22453
22454 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
22455
22456         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
22457         better code generation.
22458
22459 2007-02-20  Ben Elliston  <bje@au.ibm.com>
22460
22461         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
22462
22463 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
22464
22465         * config/alpha/alpha.c, config/alpha/alpha.md,
22466         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
22467         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
22468         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
22469         config/arm/lib1funcs.asm: Follow spelling conventions.
22470
22471         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
22472         config/fr30/fr30.md, config/i386/i386.h,
22473         config/iq2000/iq2000.h, config/iq2000/predicates.md,
22474         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
22475         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
22476         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
22477         config/rs6000/altivec.md, config/rs6000/rs6000.c,
22478         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
22479         config/sparc/sparc.c, config/sparc/sparc.h,
22480         config/sparc/sparc.md, config/spu/constraints.md,
22481         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
22482         conventions.
22483
22484 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
22485
22486         PR target/29943
22487         * varasm.c (use_blocks_for_decl_p): Return false for decls with
22488         alias attribute.
22489
22490 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
22491
22492         * doc/invoke.texi (-ftree-lrs): Remove.
22493
22494 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
22495
22496         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
22497         NULL.
22498
22499 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
22500
22501         * config/ia64/ia64.c (ia64_expand_builtin): Use the
22502         new CALL_EXPR_FN macro for retrieving the function
22503         declaration of the input expression.
22504
22505 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
22506
22507         * c.opt (Waddress): New.
22508         * common.opt (Walways-true): Delete.
22509         (Wstring-literal-comparison): Delete.
22510         * doc/invoke.texi (Warning Options): Delete -Walways-true and
22511         -Wstring-literal-comparison. Add -Waddress.
22512         (Waddress): New.
22513         (Walways-true): Delete.
22514         (Wstring-literal-comparison): Delete.
22515         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
22516         consistently instead of -Walways-true in example.
22517         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
22518         * c-typeck.c (parser_build_binary_op): Replace
22519         -Wstring-literal-comparison and -Walways-true with -Waddress.
22520         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
22521         with -Waddress.
22522
22523 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
22524
22525         * tree-cfg.c (dump_function_to_file): Be prepared for functions
22526         without DECL_STRUCT_FUNCTION initialized.
22527
22528 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
22529
22530         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
22531         due to calls to functions taking pointers as parameters.
22532
22533 2007-02-19  Richard Henderson  <rth@redhat.com>
22534
22535         PR debug/29558
22536         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
22537         in memory.
22538
22539 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
22540
22541         * config/s390/s390.c (s390_call_saved_register_used,
22542         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
22543         accessed to the new scheme.
22544
22545 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
22546
22547         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
22548         (cris_print_index, cris_print_operand, cris_print_operand_address)
22549         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
22550         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
22551         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
22552         GET_CODE () == xxx.
22553         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
22554         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
22555         GO_IF_LEGITIMATE_ADDRESS): Ditto.
22556         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
22557         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
22558         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
22559         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
22560         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
22561         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
22562         (uminsi3, call, call_value): Ditto.
22563         (define_split: indir_to_reg_split, unnamed): Ditto.
22564
22565 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
22566
22567         PR tree-optimization/30975
22568         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
22569         wrong assert.
22570
22571 2007-02-18  Eric Christopher  <echristo@gmail.com>
22572
22573         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
22574         Remove use of arglist.
22575         (mips_expand_builtin): Remove use of arglist, pass in expr.
22576         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
22577         (mips_expand_builtin_movtf): Ditto.
22578         (mips_expand_builtin_compare): Ditto.
22579
22580 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
22581
22582         * tree-sra.c (sra_build_assignment): Replace assertion
22583         checking with a comment explaining why it can't be done.
22584
22585 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
22586
22587         PR middle-end/30833
22588         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
22589         during CALL_EXPR representation conversion.
22590         * tree-ssa-propagate.c (set_rhs): Likewise.
22591
22592 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
22593
22594         * tree-sra.c (sra_build_assignment): Disable assertion checking
22595         for now.
22596
22597 2007-02-18  Roger Sayle  <roger@eyesopen.com>
22598
22599         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
22600         instead of calling build2 with a GIMPLE_MODIFY_STMT.
22601         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
22602         Likewise.
22603         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
22604         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
22605         gimplify_init_ctor_eval_range, gimple_push_cleanup,
22606         gimplify_omp_for, gimplify_omp_atomic_pipeline,
22607         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
22608         force_gimple_operand): Likewise.
22609         * ipa-cp.c (constant_val_insert): Likewise.
22610         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
22611         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
22612         perfect_nestify): Likewise.
22613         * langhooks.c (lhd_omp_assignment): Likewise.
22614         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
22615         lower_copyprivate_clauses, lower_send_clauses,
22616         lower_send_shared_vars, expand_parallel_call,
22617         expand_omp_for_generic, expand_omp_for_static_nochunk,
22618         expand_omp_for_static_chunk, expand_omp_sections,
22619         lower_omp_single_copy, lower_omp_for_lastprivate,
22620         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
22621         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
22622         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
22623         Likewise.
22624
22625 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
22626
22627         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
22628         config/sh/sh.md: Follow spelling conventions.
22629
22630         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
22631         config/frv/predicates.md: Follow spelling conventions.
22632
22633         * config/m68k/linux-unwind.h: Fix a comment typo.
22634         * target.h: Follow spelling conventions.
22635
22636 2007-02-18  Roger Sayle  <roger@eyesopen.com>
22637
22638         PR rtl-optimization/28173
22639         * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
22640         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
22641         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
22642         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
22643         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
22644
22645 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22646
22647         * builtins.c (fold_builtin_load_exponent): New.
22648         (fold_builtin_2): Use it.
22649
22650 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
22651
22652         PR rtl-optimization/30773
22653         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
22654         if we fail to attach a REG_EQUIV note.
22655
22656 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
22657             Roger Sayle  <roger@eyesopen.com>
22658
22659         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
22660
22661 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
22662
22663         * calls.c (initialize_argument_information): Pass original EXP
22664         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
22665         code to split complex arguments here, as part of initializing the
22666         ARGS array.
22667         (expand_call): Remove code that builds a list of arguments and
22668         inserts implicit arguments into it.  Instead, just count how many
22669         implicit arguments there will be so we can determine the size of
22670         the ARGS array, and let initialize_argument_information do the work.
22671         (split_complex_values): Delete unused function.
22672
22673 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
22674
22675         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
22676
22677 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
22678
22679         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
22680         for arg pointer based indexed addressing.
22681
22682 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
22683
22684         * config/ia64/ia64.h, config/ia64/ia64.md,
22685         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
22686         spelling conventions.
22687
22688 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
22689
22690         * config/m68k/m68k.c (split_di): New.
22691         * config/m68k/m68k-protos.h: Declare split_di.
22692         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
22693           Improve predicate handling and split constant shifts.
22694
22695 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
22696
22697         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
22698         parameter for register bitfield operations, general predicates
22699         cleanup
22700
22701 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
22702
22703         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
22704         * config/m68k/linux-unwind.h: New file.
22705
22706 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
22707
22708         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
22709         config/i386/athlon.md, config/ia64/ia64.md,
22710         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
22711         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
22712         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
22713         tree-ssa-loop-niter.c, tree-vect-analyze.c,
22714         tree-vect-transform.c: Fix comment typos.
22715
22716 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
22717
22718         * sched-deps.c (find_insn_list): Remove.
22719         * sched-int.h: Remove the prototype for find_insn_list.
22720
22721 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
22722
22723         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
22724         to linker.
22725         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
22726         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
22727         darwin_rs6000_override_options.
22728         (C_COMMON_OVERRIDE_OPTIONS): Expect
22729         darwin_macosx_version_min to be non-NULL always.
22730         (TARGET_C99_FUNCTIONS): Likewise.
22731         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
22732         (DARWIN_MINVERSION_SPEC): New.
22733         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
22734         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
22735         to cc1*.
22736         (DARWIN_MINVERSION_SPEC): New.
22737         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
22738         value.
22739         * config/darwin-c.c (darwin_cpp_builtins): Expect
22740         darwin_macosx_version_min to be non-NULL always.
22741
22742         * config/rs6000/rs6000.c: Clean up trailing whitespace.
22743
22744 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
22745
22746         * config/i386/i386.h (x86_use_xchgb): New.
22747         (TARGET_USE_XCHGB): New macro.
22748         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
22749         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
22750         Split after reload into bswaphi for shifts of 8.
22751         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
22752         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
22753         or when optimizing for size.
22754
22755 2007-02-16  Richard Guenther  <rguenther@suse.de>
22756             Christian Bruel  <christian.bruel@st.com>
22757
22758         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
22759         DECLs but prefer SSA_NAMEs over DECLs.
22760
22761 2007-02-16  Richard Guenther  <rguenther@suse.de>
22762
22763         * tree-flow-inline.h (single_imm_use_p): Remove.
22764         (zero_imm_uses_p): Likewise.
22765         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
22766         instead of single_imm_use_p.
22767         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
22768         zero_imm_uses_p.
22769
22770 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
22771
22772         PR other/27843
22773         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
22774         nested double- and backquotes.
22775
22776 2007-02-15  Roger Sayle  <roger@eyesopen.com>
22777
22778         PR middle-end/30391
22779         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
22780         should be unreachable.
22781         (build2_stat): Allow construction of MODIFY_EXPR at any time.
22782         For the time being redirect GIMPLE_MODIFY_STMT to the new
22783         (renamed) build_gimple_modify_stmt_stat.
22784         (build2_gimple_stat): Rename to...
22785         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
22786         Always build a GIMPLE_MODIFY_STMT node.
22787         * tree.h (build2_gimple, build2_gimple_stat): Delete.
22788         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
22789         declarations.
22790
22791         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
22792         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
22793         * tree-complex.c (set_component_ssa_name, expand_complex_move,
22794         expand_complex_div_wide): Likewise.
22795         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
22796         * tree-ssa-loop-im.c (schedule_sm): Likewise.
22797         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
22798         * tree-ssa-loop-manip.c (create_iv): Likewise.
22799         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
22800         abs_replacement): Likewise.
22801         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
22802         realify_fake_stores): Likewise.
22803
22804         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
22805         node rather than a GIMPLE_MODIFY_STMT node.
22806         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
22807         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
22808         Likewise.
22809         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
22810         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
22811         GIMPLE_MODIFY_STMT.
22812
22813 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
22814
22815         PR middle-end/30433
22816         * fold-const.c (fold_comparison): Add back the
22817         folding of constant complex comparisions.
22818
22819 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
22820
22821         PR middle-end/30729
22822         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
22823         effects unknown to this function, return early.
22824
22825 2007-02-15  Ian Lance Taylor  <iant@google.com>
22826
22827         * lower-subreg.c (move_eh_region_note): New static function.
22828         (resolve_simple_move): Call it.
22829         (decompose_multiword_subregs): Track blocks for which we resolve a
22830         simple move which is also a control flow insn.  Pass them to
22831         find_many_sub_basic_blocks.
22832         (pass_lower_subreg): Add TODO_verify_flow.
22833         (pass_lower_subreg2): Likewise.
22834
22835 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
22836             Brooks Moses  <brooks.moses@codesourcery.com>
22837             Lee Millward  <lee.millward@codesourcery.com>
22838
22839         * tree.h (enum tree_code_class): Add tcc_vl_exp.
22840         (VL_EXP_CLASS_P): New.
22841         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
22842         TREE_CODE_LENGTH.
22843         (TREE_OPERAND_CHECK_CODE): Likewise.
22844         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
22845         (TREE_RTL_OPERAND_CHECK): Likewise.
22846         (tree_operand_check_failed): Make second parameter the whole tree
22847         instead of its code.  Fixed callers.
22848         (VL_EXP_CHECK): New.
22849         (TREE_OPERAND_LENGTH): New.
22850         (VL_EXP_OPERAND_LENGTH): New.
22851         (CALL_EXPR_FN): New.
22852         (CALL_EXPR_STATIC_CHAIN): New.
22853         (CALL_EXPR_ARGS): New.
22854         (CALL_EXPR_ARG): New.
22855         (call_expr_nargs): New.
22856         (CALL_EXPR_ARGP): New.
22857         (build_nt_call_list): Declare.
22858         (build_vl_exp_stat): Declare.
22859         (build_vl_exp): New.
22860         (build_call_list): Declare.
22861         (build_call_nary): Declare.
22862         (build_call_valist): Declare.
22863         (build_call_array): Declare.
22864         (call_expr_arg): Declare.
22865         (call_expr_argp): Declare.
22866         (call_expr_arglist): Declare.
22867         (fold_build_call_list): Declare.
22868         (fold_build_call_list_initializer): Declare.
22869         (fold_call_expr): Declare to replace fold_builtin.
22870         (fold_builtin_fputs): Update to agree with modified definition.
22871         (fold_builtin_strcpy): Likewise.
22872         (fold_builtin_strncpy): Likewise.
22873         (fold_builtin_memory_chk): Likewise.
22874         (fold_builtin_stxcpy_chk): Likewise.
22875         (fold_builtin_strncpy_chk): Likewise.
22876         (fold_builtin_next_arg): Likewise.
22877         (fold_build_call_expr): Declare.
22878         (fold_builtin_call_list): Declare.
22879         (fold_builtin_call_valist): Declare.
22880         (build_call_expr): Declare.
22881         (validate_arglist): Update to agree with modified definition.
22882         (tree_operand_length): New.
22883         (call_expr_arg_iterator): New.
22884         (init_call_expr_arg_iterator): New.
22885         (next_call_expr_arg): New.
22886         (first_call_expr_arg): New.
22887         (more_call_expr_args_p): New.
22888         (FOR_EACH_CALL_EXPR_ARG): New.
22889
22890         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
22891         and tcc_gimple_stmt.
22892         (tree_code_size): Update documentation.  Use sizeof (tree) rather
22893         than sizeof (char *).
22894         (tree_size): Likewise.  Add case for tcc_vl_exp.
22895         (tree_node_structure): Add case for tcc_vl_exp.
22896         (contains_placeholder_p): Likewise.
22897         (substitute_in_expr): Likewise.
22898         (substitute_placeholder_in_expr): Likewise.
22899         (stabilize_reference_1): Likewise.
22900         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
22901         to diagnose breakage of this interface for constructing CALL_EXPRs.
22902         (build_nt): Add similar assertion here.
22903         (build_nt_call_list): New.
22904         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
22905         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
22906         TREE_CODE_LENGTH.
22907         (get_callee_fndecl): Use new CALL_EXPR accessors.
22908         (tree_operand_check_failed): Change parameters to pass entire node
22909         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
22910         (process_call_operands): New.
22911         (build_vl_exp_stat): New.
22912         (build_call_list): New.
22913         (build_call_nary): New.
22914         (build_call_valist): New.
22915         (build_call_array): New.
22916         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
22917         (call_expr_arglist): New.
22918
22919         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
22920         tcc_vl_exp instead of a fixed-size tcc_expression.
22921
22922         * doc/c-tree.texi (CALL_EXPR): Document new representation and
22923         accessors for CALL_EXPRs.
22924         (AGGR_INIT_EXPR): Likewise.
22925
22926 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
22927             Brooks Moses  <brooks.moses@codesourcery.com>
22928             Lee Millward  <lee.millward@codesourcery.com>
22929
22930         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
22931         (expand_builtin_nonlocal_goto): Change parameter to be entire
22932         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
22933         (expand_builtin_prefetch): Likewise.
22934         (expand_builtin_classify_type): Likewise.
22935         (mathfn_built_in): Return NULL_TREE instead of 0.
22936         (expand_errno_check): Use new CALL_EXPR accessors.
22937         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
22938         Return NULL_RTX instead of 0.
22939         (expand_builtin_mathfn_2): Likewise.
22940         (expand_builtin_mathfn_3): Likewise.
22941         (expand_builtin_interclass_mathfn): Likewise.
22942         (expand_builtin_sincos): Likewise.
22943         (expand_builtin_cexpi): Likewise.
22944         (expand_builtin_int_roundingfn): Likewise.
22945         (expand_builtin_int_roundingfn_2): Likewise.
22946         (expand_builtin_pow): Likewise.
22947         (expand_builtin_powi): Likewise.
22948         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
22949         of arglist, fixing callers appropriately.  Use new CALL_EXPR
22950         accessors and constructors.  Return NULL_RTX instead of 0.
22951         (expand_builtin_strstr): Likewise.
22952         (expand_builtin_strchr): Likewise.
22953         (expand_builtin_strrchr): Likewise.
22954         (expand_builtin_strpbrk): Likewise.
22955         (expand_builtin_memcpy): Likewise.
22956         (expand_builtin_mempcpy): Likewise.
22957         (expand_builtin_mempcpy_args): New.
22958         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
22959         (expand_builtin_memmove_args): New.
22960         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
22961         (expand_movstr): Likewise.
22962         (expand_builtin_strcpy): Likewise.
22963         (expand_builtin_strcpy_args): New.
22964         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
22965         (expand_builtin_strncpy): Likewise.
22966         (expand_builtin_memset): Likewise.
22967         (expand_builtin_memset_args): New.
22968         (expand_builtin_bzero): Similarly to expand_builtin_memset.
22969         (expand_builtin_memcmp): Likewise.
22970         (expand_builtin_strcmp): Likewise.
22971         (expand_builtin_strncmp): Likewise.
22972         (expand_builtin_strcat): Likewise.
22973         (expand_builtin_strncat): Likewise.
22974         (expand_builtin_strspn): Likewise.
22975         (expand_builtin_strcspn): Likewise.
22976         (expand_builtin_args_info): Likewise.
22977         (expand_builtin_va_start): Likewise.
22978         (gimplify_va_arg_expr): Likewise.
22979         (expand_builtin_va_end): Likewise.
22980         (expand_builtin_va_copy): Likewise.
22981         (expand_builtin_frame_address): Likewise.
22982         (expand_builtin_alloca): Likewise.
22983         (expand_builtin_bswap): Likewise.
22984         (expand_builtin_unop): Likewise.
22985         (expand_builtin_fputs): Likewise.
22986         (expand_builtin_expect): Likewise.
22987         (expand_builtin_fabs): Likewise.
22988         (expand_builtin_copysign): Likewise.
22989         (expand_builtin_printf): Likewise.
22990         (expand_builtin_fprintf): Likewise.
22991         (expand_builtin_sprintf): Likewise.
22992         (expand_builtin_init_trampoline): Likewise.
22993         (expand_builtin_signbit): Likewise.
22994         (expand_builtin_fork_or_exec): Likewise.
22995         (expand_builtin_sync_operation): Likewise.
22996         (expand_builtin_compare_and_swap): Likewise.
22997         (expand_builtin_lock_test_and_set): Likewise.
22998         (expand_builtin_lock_release): Likewise.
22999         (expand_builtin): Likewise.
23000         (builtin_mathfn_code): Likewise.
23001
23002         (fold_builtin_constant_p): Pass call arguments individually instead
23003         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
23004         accessors and constructors.  Return NULL_TREE instead of 0.
23005         (fold_builtin_expect): Likewise.
23006         (fold_builtin_classify_type): Likewise.
23007         (fold_builtin_strlen): Likewise.
23008         (fold_builtin_nan): Likewise.
23009         (integer_valued_real_p): Likewise.
23010         (fold_trunc_transparent_mathfn): Likewise.
23011         (fold_fixed_mathfn): Likewise.
23012         (fold_builtin_cabs): Likewise.
23013         (fold_builtin_sqrt): Likewise.
23014         (fold_builtin_cbrt): Likewise.
23015         (fold_builtin_cos): Likewise.
23016         (fold_builtin_cosh): Likewise.
23017         (fold_builtin_tan): Likewise.
23018         (fold_builtin_sincos): Likewise.
23019         (fold_builtin_cexp): Likewise.
23020         (fold_builtin_trunc): Likewise.
23021         (fold_builtin_floor): Likewise.
23022         (fold_builtin_ceil): Likewise.
23023         (fold_builtin_round): Likewise.
23024         (fold_builtin_int_roundingfn): Likewise.
23025         (fold_builtin_bitop): Likewise.
23026         (fold_builtin_bswap): Likewise.
23027         (fold_builtin_logarithm): Likewise.
23028         (fold_builtin_hypot): Likewise.
23029         (fold_builtin_pow): Likewise.
23030         (fold_builtin_powi): Likewise.
23031         (fold_builtin_exponent): Likewise.
23032         (fold_builtin_memset): Likewise.
23033         (fold_builtin_bzero): Likewise.
23034         (fold_builtin_memory_op): Likewise.
23035         (fold_builtin_bcopy): Deleted; call site changed to invoke
23036         fold_builtin_memory_op directly.
23037         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
23038         (fold_builtin_strncpy): Likewise.
23039         (fold_builtin_memcmp): Likewise.
23040         (fold_builtin_strcmp): Likewise.
23041         (fold_builtin_strncmp): Likewise.
23042         (fold_builtin_signbit): Likewise.
23043         (fold_builtin_copysign): Likewise.
23044         (fold_builtin_isascii): Likewise.
23045         (fold_builtin_toascii): Likewise.
23046         (fold_builtin_isdigit): Likewise.
23047         (fold_builtin_fabs): Likewise.
23048         (fold_builtin_abs): Likewise.
23049         (fold_builtin_fmin_fmax): Likewise.
23050         (fold_builtin_carg): Likewise.
23051         (fold_builtin_classify): Likewise.
23052         (fold_builtin_unordered_cmp): Likewise.
23053
23054         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
23055         New functions split out from fold_builtin_1.
23056         (fold_builtin_n): New.
23057         (fold_builtin_varargs): New.
23058         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
23059         instead.
23060         (fold_call_expr): New.
23061         (build_function_call_expr): Rewrite to use new helper function.
23062         (fold_builtin_call_list): New.
23063         (build_call_expr): New.
23064         (fold_builtin_call_valist): New.
23065         (rewrite_call_expr): New.
23066         (validate_arg): New.
23067         (validate_arglist): Change parameter to be entire CALL_EXPR instead
23068         of an arglist.  Change return type to bool.  Use new CALL_EXPR
23069         accessors.
23070
23071         (fold_builtin_strstr): Pass call arguments individually instead
23072         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
23073         accessors and constructors.  Return NULL_TREE instead of 0.
23074         (fold_builtin_strchr): Likewise.
23075         (fold_builtin_strrchr): Likewise.
23076         (fold_builtin_strpbrk): Likewise.
23077         (fold_builtin_strcat): Likewise.
23078         (fold_builtin_strncat): Likewise.
23079         (fold_builtin_strspn): Likewise.
23080         (fold_builtin_strcspn): Likewise.
23081         (fold_builtin_fputs): Likewise.
23082         (fold_builtin_next_arg): Likewise.
23083         (fold_builtin_sprintf): Likewise.
23084
23085         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
23086         NULL_RTX instead of 0.
23087         (expand_builtin_memory_chk): Likewise.
23088         (maybe_emit_chk_warning): Likewise.
23089         (maybe_emit_sprintf_chk_warning): Likewise.
23090
23091         (fold_builtin_object_size): Pass call arguments individually instead
23092         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
23093         accessors and constructors.  Return NULL_TREE instead of 0.
23094         (fold_builtin_memory_chk): Likewise.
23095         (fold_builtin_stxcpy_chk): Likewise.
23096         (fold_builtin_strncpy_chk): Likewise.
23097         (fold_builtin_strcat_chk): Likewise.
23098         (fold_builtin_strcat_chk): Likewise.
23099         (fold_builtin_strncat_chk): Likewise.
23100         (fold_builtin_sprintf_chk): Likewise.
23101         (fold_builtin_snprintf_chk): Likewise.
23102         (fold_builtin_printf): Likewise.
23103         (fold_builtin_vprintf): Likewise.
23104
23105         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
23106         constructors.
23107         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
23108         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23109         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
23110         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
23111         (fold_unary): Likewise.
23112         (fold_binary): Likewise.
23113         (fold_ternary): Remove CALL_EXPR case, since they are no longer
23114         ternary expressions.
23115         (fold): Add logic for tcc_vl_exp.
23116         (fold_checksum_tree): Make it know about tcc_vl_exp.  Use
23117         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23118         (fold_build3_stat): Add assertion to flag broken interface for
23119         constructing CALL_EXPRs.
23120         (fold_build_call_list): New.
23121         (fold_build_call_list_initializer): New.
23122         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
23123         constructors.
23124         (fold_strip_sign_ops): Likewise.
23125
23126 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
23127             Brooks Moses  <brooks.moses@codesourcery.com>
23128             Lee Millward  <lee.millward@codesourcery.com>
23129
23130         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
23131         accessors and dump arguments explicitly.
23132
23133         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
23134         TREE_CODE_LENGTH.
23135         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
23136         explicitly.
23137         (print_call_name): Use new CALL_EXPR accessors.
23138
23139         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
23140         CALL_EXPR arguments explicitly instead of as a list.  Use
23141         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23142
23143         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
23144         (vrp_visit_stmt): Likewise.
23145
23146         * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
23147         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
23148         TREE_CODE_LENGTH.
23149         (force_move_till_expr): Likewise.
23150
23151         * targhooks.c (default_external_stack_protect_fail): Use
23152         build_call_expr instead of build_function_call_expr.
23153         (default_hidden_stack_protect_fail): Likewise.
23154
23155         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
23156         build the call.
23157
23158         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
23159         and walk arguments explicitly.
23160
23161         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
23162         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23163         (expand_simple_operations): Likewise.
23164         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
23165
23166         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
23167         of TREE_CODE_LENGTH.
23168         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
23169
23170         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
23171         instead of TREE_CODE_LENGTH.
23172
23173         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
23174         (tree_ic_transform): Likewise.
23175         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
23176         parameter instead of arglist.  Fix callers.
23177         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
23178         (tree_stringops_transform): Likewise.
23179         (tree_indirect_call_to_profile): Likewise.
23180         (tree_stringops_values_to_profile): Likewise.
23181
23182         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
23183         (eliminate_tail_call): Likewise.
23184
23185         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
23186
23187         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
23188         Use TREE_OPERAND_LENGTH and generalize to handle any number of
23189         operands.
23190         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
23191
23192         * omp-low.c (build_omp_barrier): Use build_call_expr.
23193         (lower_rec_input_clauses): Likewise.
23194         (lower_reduction_clauses): Likewise.
23195         (expand_parallel_call): Likewise.
23196         (maybe_catch_exception): Likewise.
23197         (expand_omp_for_generic): Likewise.
23198         (expand_omp_for_static_nochunk): Likewise.
23199         (expand_omp_sections): Likewise.
23200         (lower_omp_single_simple): Likewise.
23201         (lower_omp_single_copy): Likewise.
23202         (lower_omp_master): Likewise.
23203         (lower_omp_ordered): Likewise.
23204         (lower_omp_critical): Likewise.
23205
23206         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
23207         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
23208
23209         * tree-gimple.c (is_gimple_call_addr): Fix doc.
23210         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
23211         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
23212
23213         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
23214         and generalize to handle any number of operands.
23215         (chrec_contains_undetermined): Likewise.
23216         (tree_contains_chrecs): Likewise.
23217         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
23218
23219         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
23220
23221         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
23222         fold_call_expr instead of fold_builtin.
23223         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
23224         match declarations there.
23225         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
23226         updates.
23227
23228         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
23229         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23230
23231         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
23232         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
23233
23234         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
23235         accessors.
23236
23237         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
23238         (execute_cse_sincos): Use new CALL_EXPR accessors.
23239
23240         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
23241
23242         * gimple-low.c (lower_function_body): Use build_call_expr.
23243         (lower_builtin_setjmp): Likewise.
23244
23245         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
23246         (set_storage_via_libcall): Likewise.
23247         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
23248         instead of TREE_CODE_LENGTH.
23249         (expand_expr_real_1): Use new CALL_EXPR accessors.
23250
23251         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
23252         generalize to handle any number of operands.
23253         (TB_parent_eq): Likewise.
23254
23255         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
23256         (strip_builtin_expect): Likewise.
23257
23258         * function.c (gimplify_parameters): Use build_call_expr.
23259
23260         * tree-vectorizer.c (vect_is_simple_reduction): Use
23261         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23262
23263         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
23264         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
23265
23266         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
23267         iterators.
23268
23269         * gimplify.c (build_stack_save_restore): Use build_call_expr.
23270         (gimplify_decl_expr): Likewise.
23271         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
23272         Use new CALL_EXPR iterators.
23273         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
23274         (gimplify_modify_expr_to_memset): Likewise.
23275         (gimplify_variable_sized_compare): Likewise.
23276         (gimplify_omp_atomic_fetch_op): Likewise.
23277         (gimplify_omp_atomic_pipeline): Likewise.
23278         (gimplify_omp_atomic_mutex): Likewise.
23279         (gimplify_function_tree): Likewise.
23280
23281         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
23282         (call_expr_flags): Likewise.
23283         (expand_call): Likewise.
23284
23285         * except.c (expand_builtin_eh_return_data_regno): Pass entire
23286         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
23287         accessors.
23288
23289         * coverage.c (create_coverage): Use build_call_expr.
23290
23291         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
23292         (temp_call_expr_obstack): New.
23293         (pool_copy_list): Delete.
23294         (temp_copy_call_expr): New.
23295         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
23296         CALL_EXPR accessors.  Get rid of special goo for copying argument
23297         lists and use temp_copy_call_expr instead.
23298         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
23299         CALL_EXPR accessors.
23300         (create_expression_by_pieces): Likewise.  Use build_call_array
23301         to construct the result instead of fold_build3.
23302         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
23303         dealing with argument lists.
23304         (init_pre): Remove references to expression_node_pool and
23305         list_node_pool.  Init temp_call_expr_obstack instead.
23306         (fini_pre): Remove references to expression_node_pool and
23307         list_node_pool.
23308
23309         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
23310         and walk arguments explicitly instead of as a list.
23311
23312         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
23313         (mx_register_decls): Likewise.
23314         (mudflap_register_call): Likewise.
23315         (mudflap_finish_file): Likewise.
23316
23317         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
23318         (ipa_callsite_compute_param): Likewise.
23319
23320         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
23321         accessors and constructor.
23322
23323         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
23324         accessors and constructor.
23325         (convert_tramp_reference): Likewise.
23326         (convert_call_expr): Likewise.
23327         (finalize_nesting_tree_1): Likewise.
23328
23329         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
23330         accessors.
23331
23332         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
23333
23334         * tree-inline.c (initialize_inlined_parameters): Pass entire
23335         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
23336         accessors.
23337         (estimate_num_insns_1): Use new CALL_EXPR accessors.
23338         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
23339
23340         * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
23341         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23342         (vectorizable_reduction): Likewise.
23343         (vectorizable_call): Use new CALL_EXPR iterators.
23344         (vectorizable_conversion): Use build_call_expr.
23345         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
23346         (vect_gen_widened_results_half): Use build_call_expr.
23347         (vect_setup_realignment): Likewise.
23348         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
23349
23350         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
23351         (pass_through_call): Likewise.
23352         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
23353         fold_builtin.
23354
23355         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
23356         (tree_gen_pow2_profiler): Likewise.
23357         (tree_gen_one_value_profiler): Likewise.
23358         (tree_gen_ic_func_profiler): Likewise.
23359         (tree_gen_average_profiler): Likewise.
23360         (tree_gen_ior_profiler): Likewise.
23361
23362         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
23363         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
23364         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23365
23366         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
23367         of TREE_CODE_LENGTH.
23368
23369         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
23370         of TREE_CODE_LENGTH.
23371
23372         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
23373         constructor.
23374         (convert_to_integer): Likewise.
23375
23376         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
23377         accessors.
23378
23379 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
23380             Brooks Moses  <brooks.moses@codesourcery.com>
23381             Lee Millward  <lee.millward@codesourcery.com>
23382
23383         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
23384         accessors.
23385         * config/frv/frv.c (frv_expand_builtin): Likewise.
23386         * config/s390/s390.c (s390_expand_builtin): Likewise.
23387
23388         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
23389         (sparc_expand_builtin): Use new CALL_EXPR accessors.
23390
23391         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
23392         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
23393         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
23394         (ix86_expand_store_builtin): Likewise.
23395         (ix86_expand_unop_builtin): Likewise.
23396         (ix86_expand_unop1_builtin): Likewise.
23397         (ix86_expand_sse_compare): Likewise.
23398         (ix86_expand_sse_comi): Likewise.
23399         (ix86_expand_vec_init_builtin): Likewise.
23400         (ix86_expand_vec_ext_builtin): Likewise.
23401         (ix86_expand_vec_set_builtin): Likewise.
23402         (ix86_expand_builtin): Use new CALL_EXPR accessors.
23403
23404         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
23405         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
23406
23407         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
23408         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
23409         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
23410
23411         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
23412         build_call_expr.
23413         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
23414         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
23415         arglist.  Use new CALL_EXPR accessors.  Fix callers.
23416         (altivec_expand_abs_builtin): Likewise.
23417         (rs6000_expand_binop_builtin): Likewise.
23418         (altivec_expand_predicate_builtin): Likewise.
23419         (altivec_expand_lv_builtin): Likewise.
23420         (spe_expand_stv_builtin): Likewise.
23421         (altivec_expand_stv_builtin): Likewise.
23422         (rs6000_expand_ternop_builtin): Likewise.
23423         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
23424         (altivec_expand_st_builtin): Likewise.
23425         (altivec_expand_dst_builtin): Likewise.
23426         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
23427         arglist.  Use new CALL_EXPR accessors.  Fix callers.
23428         (altivec_expand_vec_set_builtin): Likewise.
23429         (altivec_expand_vec_ext_builtin): Likewise.
23430         (altivec_expand_builtin): Use new CALL_EXPR accessors.
23431         (spe_expand_builtin): Likewise.
23432         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
23433         arglist.  Use new CALL_EXPR accessors.  Fix callers.
23434         (spe_expand_evsel_builtin): Likewise.
23435         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
23436         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
23437
23438         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
23439         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
23440         (arm_expand_unop_builtin): Likewise.
23441         (arm_expand_builtin): Use new CALL_EXPR accessors.
23442
23443         * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
23444         accessors.
23445
23446         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire
23447         CALL_EXPR instead of arglist.  Use new CALL_EXPR accessors.
23448         Fix callers.
23449         (bfin_expand_unop_builtin): Likewise.
23450         (bfin_expand_builtin): Use new CALL_EXPR accessors.
23451
23452 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
23453             Brooks Moses  <brooks.moses@codesourcery.com>
23454             Lee Millward  <lee.millward@codesourcery.com>
23455
23456         * c-semantics.c (build_stmt): Add internal diagnostic check.
23457
23458         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
23459         accessors.  Print arguments explicitly instead of as a list.
23460
23461         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
23462
23463         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
23464         (c_finish_omp_flish): Likewise.
23465
23466         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
23467         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
23468         instead of TREE_CODE_LENGTH.
23469         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
23470         (c_warn_unused_result): Likewise.
23471
23472 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23473
23474         PR c/26494
23475         * doc/invoke.texi (Warning Options): Remove
23476         -Werror-implicit-function-declaration.
23477         (Wimplicit-function-declaration): Update description.
23478         * opts.c (common_handle_option): Move handling of -Werror=* to...
23479         (enable_warning_as_error): ...here.
23480         * opts.h (enable_warning_as_error): Declare.
23481         * c-decl.c (implicit_decl_warning): Unless
23482         -Wno-implicit-function-declaration is given, emit a pedwarn if
23483         -std=c99 or emit a warning if -Wimplicit-function-declaration.
23484         * c.opt (Wimplicit-function-declaration): Replace
23485         mesg_implicit_function_declaration with
23486         warn_implicit_function_declaration.
23487         * c-opts.c (c_common_handle_option):
23488         -Werror-implicit-function-declaration is exactly equal as
23489         -Werror=implicit-function-declaration.
23490         (set_Wimplicit): Replace mesg_implicit_function_declaration with
23491         warn_implicit_function_declaration.
23492         (c_common_post_options): -Wimplict-function-declaration is enabled
23493         by default by -std=c99, otherwise is disabled by default.
23494         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
23495
23496 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
23497
23498         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
23499         DECL on the rhs to a DECL on the lhs for debug info purposes if the
23500         former is ignored but not the latter.
23501
23502 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
23503
23504         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
23505         is made and the reference doesn't use the alias set of its type,
23506         do not create the temporary using that type.
23507
23508 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
23509
23510         * jump.c: Remove prototypes for delete_computation and
23511         delete_prior_computation.
23512
23513 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
23514
23515         * jump.c (get_label_after): Delete.
23516         (get_label_before, delete_computation, delete_jump,
23517         delete_prior_computation, follow_jumps): Move...
23518         * reorg.c (delete_computation, delete_prior_computation): ... here...
23519         (get_label_before, delete_jump): ... making these static ...
23520         (follow_jumps): ... and simplifying this since it only runs after
23521         reload.
23522         * rtl.h (get_label_after, get_label_before, delete_jump,
23523         follow_jumps): Delete prototypes.
23524
23525 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
23526
23527         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
23528
23529 2007-02-15  Nick Clifton  <nickc@redhat.com>
23530
23531         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
23532         order to prevent it from being munged by the target.
23533
23534 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
23535
23536         * config/i386/i386.md: Remove misleading comment.
23537
23538 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
23539
23540         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
23541         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
23542         invalid patterns.
23543
23544 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
23545
23546         * tree-sra.c (instantiate_missing_elements): Canonicalize
23547         bit-field types.
23548         (sra_build_assignment): New.
23549         (generate_copy_inout, generate_element_copy,
23550         generate_element_zero, generate_one_element_init): Use it.
23551
23552 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
23553
23554         * tree-sra.c (instantiate_missing_elements): Canonicalize
23555         bit-field types.
23556         (sra_build_assignment): New.
23557         (generate_copy_inout, generate_element_copy,
23558         generate_element_zero, generate_one_element_init): Use it.
23559
23560 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
23561
23562         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
23563         limbo die nodes.
23564
23565 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
23566
23567         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
23568         types as aggregates not scalars.
23569         * function.c (assign_stack_temp_for_type): Likewise.
23570
23571 2007-02-14  Roger Sayle  <roger@eyesopen.com>
23572             Zdenek Dvorak  <dvorakz@suse.cz>
23573
23574         * tree-dump.c (dump_switch_p_1): Require exact match of the option
23575         name.
23576
23577 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
23578
23579         * passes.c (next_pass_1): Clear the next field of the copied
23580         pass structure.
23581
23582 2007-02-14  Richard Henderson  <rth@redhat.com>
23583
23584         * tree-sra.c (early_sra): New.
23585         (decl_can_be_decomposed_p): Deny va_list if early_sra.
23586         (tree_sra_early, pass_sra_early): New.
23587         * tree-pass.h (pass_sra_early): Declare.
23588         * passes.c (init_optimization_passes): Use it.
23589
23590 2007-02-14  Richard Guenther  <rguenther@suse.de>
23591
23592         * flags.h (issue_strict_overflow_warning): Convert to a macro.
23593
23594 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
23595
23596          PR tree-optimization/30771
23597         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
23598         also phi nodes.
23599         (vect_analyze_operations): Induction phis can now be marked as
23600         used_in_loop.
23601         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
23602         Update documentation accordingly.
23603
23604 2007-02-14  Nick Clifton  <nickc@redhat.com>
23605
23606         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
23607         most 3 arguments are supported.
23608         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
23609
23610 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
23611
23612         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
23613         Ensure dst->current is valid.
23614
23615 2007-02-13  Paul Brook  <paul@codesourcery.com>
23616
23617         * config.gcc: Add arm*-*-uclinux-*eabi.
23618         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
23619         (SUBTARGET_EXTRA_LINK_SPEC): Define.
23620         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
23621         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
23622         (LINK_SPEC): Define.
23623         (LIB_SPEC): Define.
23624         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
23625         register.
23626         * config/arm/uclinux-eabi.h: New file.
23627         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
23628         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
23629         based targets.
23630
23631 2007-02-13  Ian Lance Taylor  <iant@google.com>
23632
23633         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
23634         * flags.h (warn_strict_overflow): Declare.
23635         (enum warn_strict_overflow_code): Define.
23636         (issue_strict_overflow_warning): New static inline function.
23637         * opts.c (warn_strict_overflow): New variable.
23638         (common_handle_option): Handle OPT_Wstrict_overflow and
23639         OPT_Wstrict_overflow_.
23640         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
23641         OPT_Wall.
23642         * fold-const.c: Include intl.h.
23643         (fold_deferring_overflow_warnings): New static variable.
23644         (fold_deferred_overflow_warning): New static variable.
23645         (fold_deferred_overflow_code): New static variable.
23646         (fold_defer_overflow_warnings): New function.
23647         (fold_undefer_overflow_warnings): New function.
23648         (fold_undefer_and_ignore_overflow_warnings): New function.
23649         (fold_deferring_overflow_warnings_p): New function.
23650         (fold_overflow_warning): New static function.
23651         (make_range): Add strict_overflow_p parameter.  Change all
23652         callers.
23653         (extract_muldiv, extract_muldiv_1): Likewise.
23654         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
23655         tree_expr_nonnegative_p.
23656         (fold_negate_expr): Call fold_overflow_warning.
23657         (fold_range_test): Likewise.
23658         (fold_comparison): Likewise.
23659         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
23660         instead of tree_expr_nonnegative_p.
23661         (tree_expr_nonnegative_warnv_p): Rename from
23662         tree_expr_nonnegative_p, add strict_overflow_p parameter.
23663         (tree_expr_nonnegative_p): New function.
23664         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
23665         strict_overflow_p parameter.
23666         (tree_expr_nonzero_p): New function.
23667         * passes.c (verify_interpass_invariants): New static function.
23668         (execute_one_pass): Call it.
23669         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
23670         warnings.
23671         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
23672         (estimate_numbers_of_iterations): Likewise.
23673         (scev_probably_wraps_p): Likewise.
23674         * tree-ssa-ccp.c: Include "toplev.h".
23675         (evaluate_stmt): Defer fold overflow warnings until we know we are
23676         going to optimize.
23677         (struct fold_stmt_r_data): Add stmt field.
23678         (fold_stmt_r): Defer fold overflow warnings until we know we
23679         optimized.
23680         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
23681         (fold_stmt_inplace): Likewise.
23682         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
23683         (cleanup_control_expr_graph): Defer fold overflow warnings until
23684         we know we are going to optimize.
23685         * tree-cfg.c (fold_cond_expr_cond): Likewise.
23686         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
23687         Likewise.
23688         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
23689         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
23690         * tree-ssa-loop-manip.c (create_iv): Likewise.
23691         * c-typeck.c (build_conditional_expr): Likewise.
23692         (build_binary_op): Likewise.
23693         * tree-vrp.c (vrp_expr_computes_nonzero): Call
23694         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
23695         (extract_range_from_unary_expr): Likewise.
23696         * simplify-rtx.c (simplify_const_relational_operation): Warn when
23697         assuming that signed overflow does not occur.
23698         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
23699         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
23700         (fold_defer_overflow_warnings): Declare.
23701         (fold_undefer_overflow_warnings): Declare.
23702         (fold_undefer_and_ignore_overflow_warnings): Declare.
23703         (fold_deferring_overflow_warnings_p): Declare.
23704         (tree_expr_nonzero_warnv_p): Declare.
23705         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
23706         of warning options.
23707         (Warning Options): Document -Wstrict-overflow.
23708         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
23709         (tree-ssa-ccp.o): Likewise.
23710         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
23711         (fold-const.o): Depend on intl.h.
23712
23713 2007-02-13  Ian Lance Taylor  <iant@google.com>
23714
23715         PR middle-end/30751
23716         * lower-subreg.c (resolve_simple_move): Decompose subregs in
23717         addresses.
23718
23719 2007-02-13  Stuart Hastings  <stuart@apple.com>
23720
23721         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
23722
23723 2007-02-13  Richard Henderson  <rth@redhat.com>
23724
23725         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
23726         handled_component_p before looking for the indirect_ref.
23727
23728 2007-02-13  Richard Henderson  <rth@redhat.com>
23729
23730         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
23731         remove flags clobber.
23732         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
23733         (bswaphi_lowpart): New.
23734         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
23735         remove TARGET_BSWAP test.  Delete expander of the same name.
23736
23737         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
23738         (expand_unop): Use them.
23739
23740 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
23741
23742         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
23743         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
23744         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
23745         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
23746         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
23747         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
23748         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
23749         assembler dialect choice from asm templates.
23750
23751 2007-02-12  Richard Henderson  <rth@redhat.com>
23752
23753         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
23754         (fixuns_trunc<SSEMODEF>si2): Use it.
23755         * config/i386/sse.md (vec_setv4sf_0): Export.
23756         * config/i386/i386.c (ix86_build_const_vector): Export.
23757         (ix86_split_convert_uns_si_sse): Rename from
23758         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
23759         * config/i386/i386-protos.h: Update.
23760
23761 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23762
23763         PR c/29521
23764         * c-typeck.c (c_finish_return): Improve warning message.
23765
23766 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23767
23768         * alias.c (find_symbolic_term): Delete unused function.
23769
23770 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
23771
23772         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
23773         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
23774         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
23775
23776 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
23777
23778         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
23779         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
23780         the function, temporarily point the debug interface to the null one.
23781
23782 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
23783
23784         * dwarf2out.c (round_up_to_align): New static function.
23785         (field_byte_offset): Use it to round the offset.
23786
23787 2007-02-12  Richard Henderson  <rth@redhat.com>
23788
23789         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
23790         (inswl_const): Export.
23791
23792 2007-02-12  Richard Henderson  <rth@redhat.com>
23793
23794         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
23795         result mode of the libcall, convert back to outmode.
23796
23797 2007-02-12  Roger Sayle  <roger@eyesopen.com>
23798
23799         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
23800         (bswapdi2): New define_expand to implement 32-bit implementation.
23801
23802 2007-02-12  Nick Clifton  <nickc@redhat.com>
23803
23804         * doc/invoke.texi (Overall Options): Document --help=.
23805         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
23806         (cc1_options): Pass --help= on to cc1.
23807         (display_help): Add description of --help=.
23808         (process_command): Add code to handle --help=.  Allow translated
23809         --help and --target-help switches to be passed on to compiler
23810         sub-process.
23811         (main): Remove unused if statement.
23812         * opts.c (columns): Remove.
23813         (LEFT_COLUMN): Define.
23814         (wrap_help): Add columns argument.
23815         (print_filtered_help): Change parameters to be an include bitmask,
23816         an exclude bitmask, an any bitmask and the column width.  Move the
23817         code to display the params list here.  Add code to display the
23818         status of options rather than their descriptions if the quiet flag
23819         is not active.
23820         (print_specific_help): Change parameters to be an include bitmask,
23821         an exclude bitmask and an any bitmask.  Move code to look up the
23822         column width here.  Decide upon the title for an options listing.
23823         (common_handle_options): Add code to handle --help=.  Adapt code
23824         for --help and --target-help to use the revised form of the
23825         print_specific_help function.
23826         (print_help): Delete.
23827         (print_param_help): Delete.
23828         (print_switch): Delete.
23829         * opts.h (cl_lang_count): Add prototype.
23830         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
23831         CL_MAX_OPTION_CLASS): New defines.
23832         * optc-gen.awk: Add construction of cl_lang_count.
23833         * c.opt: Add Warning attribute to warning options and Optimization
23834         attribute to optimization options.
23835         * common.opt: Likewise.
23836         Add --help=.
23837         Add -fhelp and -ftarget-help as aliases for the transformed --help
23838         and --target-help options.
23839         * opt-functions.awk: Add code to handle Warning and Optimization
23840         attributes.
23841
23842 2007-02-12  Richard Henderson  <rth@redhat.com>
23843
23844         * config/alpha/constraints.md: New file.
23845         * config/alpha/alpha.c: Include tm-constrs.h.
23846         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
23847         alpha_extra_constraint): Remove.
23848         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
23849         * config/alpha/alpha-protos.h: Update.
23850         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
23851         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
23852         (EXTRA_CONSTRAINT): Remove.
23853         * config/alpha/alpha.md: Include constraints.md.
23854         (adddi splitter): Use satisfies_constraint_*.
23855         * config/alpha/predicates.md (add_operand): Likewise.
23856         (sext_add_operand, addition_operation): Likewise.
23857
23858 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
23859
23860         PR tree-optimization/29145
23861         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
23862         in our handling of restrict qualified pointers.
23863
23864 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23865
23866         PR middle-end/7651
23867         * doc/invoke.texi (Wunused-value): Update description.
23868         (Wextra): Delete item.
23869         * opts.c (set_Wextra): Don't use the value of Wextra to set the
23870         value of Wunused-value.
23871         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
23872         (c_finish_stmt_expr): Don't check extra_warnings.
23873         (emit_side_effect_warnings): The caller is responsible to check
23874         warn_unused_value.
23875
23876 2007-02-11  Roger Sayle  <roger@eyesopen.com>
23877             Matt Thomas  <matt@3am-software.com>
23878
23879         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
23880
23881 2007-02-11  Roger Sayle  <roger@eyesopen.com>
23882
23883         * simplify-rtx.c (simplify_relational_operation_1): Optimize
23884         comparisons of POPCOUNT against zero.
23885         (simplify_const_relational_operation): Likewise.
23886
23887 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23888
23889         * doc/invoke.texi (Wextra): Delete outdated paragraph.
23890
23891 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23892
23893         * dwarf2out.c (root_type): Delete unused function.
23894
23895 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23896
23897         * genattrtab.c (contained_in_p): Delete unused function.
23898         (write_expr_attr_cache): Likewise.
23899
23900 2007-02-11  Jan Hubicka  <jh@suse.cz>
23901
23902         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
23903         previous patch.
23904
23905 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
23906
23907         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
23908         to add the REG_EQ* note.
23909         * see.c (see_merge_one_use_extension): Likewise.
23910         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
23911         turn REG_EQUAL notes into REG_EQUIV notes if the target
23912         register may have more than one set.
23913         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
23914         * gcse.c (try_replace_reg): Likewise.
23915         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
23916         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
23917         more than one REG_EQUIV note.
23918         * reload1.c (gen_reload): Use set_unique_reg_note.
23919
23920 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
23921
23922         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
23923         (ix86_builtin_conversion): New function.
23924
23925 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
23926
23927         PR target/29487
23928         * tree.h (DECL_REPLACEABLE_P): New macro.
23929         * except.c (set_nothrow_function_flags): Likewise.
23930
23931 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
23932             Ira Rosen  <irar@il.ibm.com>
23933             Dorit Nuzman  <dorit@il.ibm.com>
23934
23935         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
23936         * targhooks.c (default_builtin_vectorized_conversion): New.
23937         * targhooks.h (default_builtin_vectorized_function): New declaration.
23938         * target.h (struct vectorize): Add builtin_conversion field.
23939         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
23940         stmt_vec_info_type value.
23941         (vectorizable_conversion): New declaration.
23942         * tree-vect-analyze.c (vect_analyze_operations): Add
23943         vectorizable_conversion call.
23944         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
23945         * tree-vect-transform.c (vectorizable_conversion): New function.
23946         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
23947         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
23948         mode.
23949         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
23950         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
23951         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
23952         or ALTIVEC_BUILTIN_VCFSX.
23953
23954 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
23955
23956         PR target/30634
23957         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
23958         CONST_DOUBLE and operand 0 is a hard register.
23959         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
23960         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
23961         is a hard floating-point register.
23962
23963 2007-02-10  Richard Henderson  <rth@redhat.com>
23964             Jakub Jelinek  <jakub@redhat.com>
23965             Alexandre Oliva  <aoliva@redhat.com>
23966
23967         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
23968         * builtin-types.def (BT_WORD): Make unsigned.
23969         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
23970         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
23971         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
23972         * c-decl.c (grokdeclarator): Don't error if !have_tls.
23973         * c-parser.c (c_parser_omp_threadprivate): Likewise.
23974         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
23975         emulated tls.
23976         * expr.c (emutls_var_address): New.
23977         (expand_expr_real_1): Expand emulated tls.
23978         (expand_expr_addr_expr_1): Likewise.
23979         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
23980         * output.h (emutls_finish): Declare.
23981         * toplev.c (compile_file): Call it.
23982         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
23983         address before wrapping in CONST.
23984         * varasm.c (emutls_htab, emutls_object_type): New.
23985         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
23986         (get_emutls_object_name, get_emutls_object_type): New.
23987         (get_emutls_init_templ_addr, emutls_decl): New.
23988         (emutls_common_1, emutls_finish): New.
23989         (assemble_variable): When emulating tls, swap decls; generate
23990         constructor for the emutls objects.
23991         (do_assemble_alias): When emulating tls, swap decl and target name.
23992         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
23993         for emulated tls.
23994         * varpool.c (decide_is_variable_needed): Look at force_output.
23995         Recurse for emulated tls.
23996         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
23997         with decide_is_variable_needed.
23998         * emutls.c: New file.
23999         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
24000         tls_object for real tls.
24001
24002 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
24003
24004         PR rtl-optimization/29599
24005         * reload1.c (eliminate_regs_in_insn): Take the destination
24006         mode into account when computing the offset.
24007
24008 2007-02-09  Stuart Hastings  <stuart@apple.com>
24009             Richard Henderson  <rth@redhat.com>
24010
24011         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
24012         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
24013         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
24014         fixuns_truncdfhi2): New.
24015         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
24016         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
24017         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
24018         (floatunssidf2): Allow nonimmediate source.
24019         * config/i386/sse.md (movdi_to_sse): New.
24020         (vec_concatv2di): Drop '*'.
24021         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
24022         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
24023         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
24024         New.
24025         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
24026         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
24027         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
24028         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
24029         (ix86_build_signbit_mask): Fix decl of v, refactor to call
24030         ix86_build_const_vector.
24031         (x86_emit_floatuns): Rewrite.
24032
24033 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24034
24035         * genautomata.c (longest_path_length): Delete unused function.
24036         (struct state): Delete unused longest_path_length.
24037         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
24038         (get_free_state): Delete unused.
24039
24040 2007-02-09  Jan Hubicka  <jh@suse.cz>
24041
24042         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
24043         * doc/invoke.texi (inline-unit-growth): Update default value.
24044
24045         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
24046         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
24047         (rebuild_cgraph_edges): Likewise.
24048         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
24049         (dump_cgraph_node): Dump frequencies.
24050         (cgraph_clone_edge): Add frequency scales.
24051         (cgraph_clone_node): Add freuqnecy.
24052         * cgraph.h (cgraph_edge): Add freuqnecy argument.
24053         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
24054         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
24055         * tree-pass.h (TODO_rebuild_frequencies): New constant.
24056         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
24057         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
24058         (save_inline_function_body): Likewise.
24059         * ipa-inline.c: inluce rtl.h
24060         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
24061         (cgraph_edge_badness): Use frequencies.
24062         (cgraph_decide_recursive_inlining): Update clonning.
24063         (cgraph_decide_inlining_of_small_function): Dump frequency.
24064         * predict.c (estimate_bb_frequencies): Export.
24065         * predict.h (estimate_bb_frequencies): Declare.
24066         * tree-inline.c (copy_bb): Watch overflows.
24067         (expand_call_inline): Update call of cgraph_create_edge.
24068         (optimize_inline_calls): Use TODO flags to update frequnecies.
24069         * passes.h: Include predict.h
24070         (init_optimization_passes): Move profile ahead.
24071         (execute_function_todo): Handle TODO_rebuild_frequencies.
24072
24073 2007-02-09  Roger Sayle  <roger@eyesopen.com>
24074
24075         * config/alpha/alpha.c (emit_insxl): Force the first operand of
24076         the insbl or inswl pattern into a register.
24077
24078 2007-02-09  Roger Sayle  <roger@eyesopen.com>
24079
24080         * config/ia64/ia64.md (bswapdi2): New define_insn.
24081
24082 2007-02-09  Richard Henderson  <rth@redhat.com>
24083
24084         * config/i386/constraints.md (Ym): New constraint.
24085         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
24086         (movdi_1_rex64): Split sse and xmm general register moves from
24087         memory move alternatives.  Use conditional register constraints.
24088         (movsf_1, movdf_integer): Likewise.
24089         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
24090         (movdf_integer_rex64): New.
24091         (pushsf_rex64): Fix output constraints.
24092         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
24093         (sse2_stored): Likewise.
24094         (sse2_storeq_rex64): New.
24095         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
24096         amd and not generic.
24097         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
24098         for optimize_size.  Remove SF/DFmode hack.
24099
24100 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
24101
24102         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
24103         (bit_SSE4a): New.
24104
24105 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
24106             Richard Sandiford  <richard@codesourcery.com>
24107
24108         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
24109         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
24110         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
24111         m68k/t-mlib to tmake_file.
24112         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
24113         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
24114         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
24115         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
24116         variable is not empty, add t-$m68k_arch_family to tmake_file.
24117         Add t-mlibs to tmake_file.
24118         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
24119         * config/m68k/t-cf: New file.
24120         * config/m68k/t-m68k: Likewise.
24121         * config/m68k/t-mlibs: Likewise.
24122         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
24123         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
24124         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
24125         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
24126         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
24127         Delete.
24128         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
24129         (INSTALL_LIBGCC): Delete.
24130         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
24131         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
24132         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
24133         (M68K_MLIB_CPU): Define.
24134         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
24135         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
24136         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
24137
24138 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
24139             Richard Guenther  <rguenther@suse.de>
24140
24141         PR middle-end/23361
24142         * fold-const.c (fold_comparison): Handle obfuscated comparisons
24143         against INT_MIN/INT_MAX.
24144         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
24145         file if a loop is removed.
24146
24147 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
24148
24149         * calls.c (store_one_arg): Pass correct alignment to
24150         emit_push_insn for non-BLKmode values.
24151         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
24152         unaligned stack slot via a suitably aligned slot.
24153
24154 2007-02-08  DJ Delorie  <dj@redhat.com>
24155
24156         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
24157         warnings.
24158         (legal_subregs): Use unsigned char, make const.
24159         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
24160
24161 2007-02-08  Paul Brook  <paul@codesourcery.com>
24162
24163         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
24164         special interworking needed.
24165
24166 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
24167
24168         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
24169         conditional to __SSE2__.
24170         (Entries below should have been added to first ChangeLog
24171         entry for amdfam10 dated 2007-02-05)
24172         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
24173         defined.
24174         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
24175         defined.
24176         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
24177         defined.
24178
24179 2007-02-08  DJ Delorie  <dj@redhat.com>
24180
24181         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
24182         * config/m32c/m32c.c (legal_subregs): New.
24183         (m32c_illegal_subreg_p): New.
24184         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
24185         unsupported subregs of hard regs.
24186
24187 2007-02-08  Jan Hubicka  <jh@suse.cz>
24188
24189         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
24190         the same one; always update histograms.
24191
24192 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
24193
24194         * passes.c (init_optimization_passes): Tidy comment.
24195
24196 2007-02-08  Roger Sayle  <roger@eyesopen.com>
24197
24198         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
24199         strip zero_extend, bswap and rotates from POCOUNT's argument.
24200         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
24201         zero_extend and rotates from PARITY's argument.
24202         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
24203         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
24204         of an integer constant at compile-time.
24205
24206 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
24207
24208         PR 30562
24209         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
24210         Update all users.
24211         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
24212         users.
24213         (init_alias_info):
24214         * tree-ssa-live.c (remove_unused_locals): Do not remove
24215         TREE_ADDRESSABLE variables.
24216         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
24217         * tree-ssa-operands.c (add_virtual_operand): Remove argument
24218         FOR_CLOBBER.  Update all users.
24219         If VAR has an associated alias set, add a virtual operand for
24220         it if no alias is found to conflict with the memory reference.
24221
24222 2007-02-07  Jan Hubicka  <jh@suse.cz>
24223             Robert Kidd <rkidd@crhc.uiuc.edu>
24224
24225         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
24226
24227 2007-02-07  Ian Lance Taylor  <iant@google.com>
24228
24229         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
24230
24231 2007-02-07  Roger Sayle  <roger@eyesopen.com>
24232
24233         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
24234         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
24235         tablejumpdi, movsi_to_cr_one): Remove constraints from
24236         define_expand's match_operands.
24237
24238 2007-02-07  Roger Sayle  <roger@eyesopen.com>
24239
24240         * global.c (compute_regsets): Move declatation of "i" inside of
24241         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
24242
24243 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
24244
24245         PR c++/30703
24246         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
24247         of INDIRECT_REF <RESULT_DECL>.
24248
24249         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
24250
24251 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
24252             Kaz Kojima  <kkojima@gcc.gnu.org>
24253
24254         PR target/29746
24255         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
24256         properly.
24257         (sh_initialize_trampoline): Add parentheses to avoid a warning.
24258
24259 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
24260
24261         * doc/loop.texi: Document possibility not to perform disambiguation
24262         of loops with multiple latches.
24263         * cfgloopmanip.c (alp_enum_p): Removed.
24264         (add_loop): Handle subloops.  Use get_loop_body_with_size.
24265         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
24266         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
24267         the new forwarder block.
24268         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
24269         Handle the case latch is NULL.
24270         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg
24271         modifications when marking loop exits.
24272         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
24273         be modified.
24274         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
24275         disambiguate_loops_with_multiple_latches.
24276         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
24277         before fix_loop_structure.
24278         * cfgloop.c: Include pointer-set.h and output.h.
24279         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
24280         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
24281         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
24282         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
24283         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
24284         disambiguate_multiple_latches, get_loop_body_with_size,
24285         disambiguate_loops_with_multiple_latches): New functions.
24286         (flow_loop_dump): Dump multiple latch edges.
24287         (flow_loop_nodes_find): Handle loops with multiple latches.
24288         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
24289         (glb_enum_p): Modified.
24290         (get_loop_body): Use get_loop_body_with_size.
24291         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
24292         (AVOID_CFG_MODIFICATIONS): New constant.
24293         (disambiguate_loops_with_multiple_latches, add_loop,
24294         get_loop_body_with_size): Declare.
24295         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
24296
24297 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
24298
24299         PR inline-asm/28686
24300         * global.c (compute_regsets): New function.
24301         (global_alloc): Refactored ELIMINABLE_REGSET
24302         and NO_GLOBAL_ALLOC_REGS computation out.
24303         (rest_of_handle_global_alloc): Call compute_regsets()
24304         for non-optimizing case.
24305
24306 2007-02-06  Richard Henderson  <rth@redhat.com>
24307
24308         * config/i386/constraints.md (Y2): Rename from Y.
24309         (Yi): New constraint.
24310         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
24311         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
24312         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
24313         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
24314         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
24315         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
24316         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
24317         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
24318         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
24319         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
24320         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
24321         vec_extractv2si_1): Change Y constraints to Y2.
24322         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
24323         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
24324         Change Y constraints to Y2.
24325         (sse2_loadld): Change Y constraints to x.
24326
24327 2007-02-06  Roger Sayle  <roger@eyesopen.com>
24328
24329         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
24330         (parity<mode>2): New define_expand using rs6000_emit_parity.
24331         * config/rs6000/rs6000.c (rs6000_emit_popcount,
24332         rs6000_emit_parity): New functions.
24333         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
24334         rs6000_emit_parity): Prototype here.
24335
24336 2007-02-06  Ian Lance Taylor  <iant@google.com>
24337
24338         * lower-subreg.c (simple_move_operand): Reject CONST.
24339         (resolve_clobber): Call validate_change rather than directly
24340         assigning to XEXP (pat, 0).
24341
24342 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
24343
24344         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
24345         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
24346         (tree-cfg.o): Remove hashtab.h dependency.
24347
24348         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
24349         (struct ivopts_data): Change niters to pointer_map_t.
24350         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
24351         (niter_for_exit): Create pointer_map on demand.  Change for
24352         pointer_map API.
24353         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
24354         (free_loop_data): Destroy data->niters if created and reset field.
24355         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
24356         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
24357
24358         * tree-ssa-reassoc.c: Include pointer-set.h.
24359         (bb_rank): Change to long *.
24360         (operand_rank): Change to pointer_map_t.
24361         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
24362         (insert_operand_rank): Accept long.
24363         (operand_entry_hash, operand_entry_eq): Remove.
24364         (get_rank): Return long.  Adjust for changes above.
24365         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
24366         and operand_rank.
24367         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
24368
24369         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
24370         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
24371         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
24372         is not NULL.
24373         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
24374         directly since it cannot be NULL.
24375         (get_vi_for_tree): Rewrite for pointer_map API.
24376         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
24377         (init_alias_vars): Create vi_for_tree as pointer_map.
24378         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
24379
24380         * tree-cfg.c: Don't include hashtab.h.
24381         (edge_to_cases): Declare as pointer_map.
24382         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
24383         Delete.
24384         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
24385         (start_recording_case_labels): Create edge_to_cases as pointer_map.
24386         (end_recoding_case_labels): Cleanup edge_to_cases manually before
24387         destroying it.
24388         (record_switch_edge): Delete.
24389         (get_cases_for_edge): Adjust for pointer_map API, inline
24390         record_switch_edge (rewritten for new API), remove goto.
24391
24392 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
24393
24394         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
24395         * tree-nested.c: Include pointer-set.h.
24396         (var_map_elt, var_map_eq, var_map_hash): Delete.
24397         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
24398         to pointer_map_t's.
24399         (nesting_info_bitmap_obstack): New.
24400         (lookup_field_for_decl): Adjust for pointer_map API.
24401         (lookup_tramp_for_decl): Adjust for pointer_map API.
24402         (get_nonlocal_debug_decl): Adjust for pointer_map API.
24403         (get_local_debug_decl): Adjust for pointer_map API.
24404         (convert_nl_goto_reference): Adjust for pointer_map API.
24405         (convert_nl_goto_receiver): Adjust for pointer_map API.
24406         (create_nesting_tree): Create outside GGC space.  Create bitmap on
24407         the new obstack.  Create field_map and var_map as pointer_maps.
24408         (free_nesting_tree): Adjust for changes to create_nesting_tree.
24409         (root): Delete.
24410         (lower_nested_functions): Move root here, no need to NULL it.
24411         Initialize and release the obstack.
24412
24413 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
24414
24415         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
24416         Remove prototypes and make them non-static.
24417         (struct tree_int_map): Remove.
24418         * tree.h (struct tree_int_map): Move here, turning TO into an
24419         unsigned int.
24420         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
24421
24422         * tree.h (TREE_COMPLEXITY): Remove.
24423         (struct tree_exp): Remove complexity field.
24424         * tree.c (build1_stat): Don't set it.
24425
24426 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
24427             Victor Kaplansky  <victork@il.ibm.com>
24428
24429         * tree-vectorizer.c (vect_is_simple_use): Support induction.
24430         (vect_is_simple_reduction): Support reduction with induction as
24431         one of the operands.
24432         (vect_is_simple_iv_evolution): Fix formatting.
24433         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
24434         formatting.  Don't mark induction phis for vectorization.
24435         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
24436         * tree-vect-transform.c (get_initial_def_for_induction): New function.
24437         (vect_get_vec_def_for_operand): Support induction.
24438         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
24439         induction case.
24440         (vectorizable_reduction): Support reduction with induction as one of
24441         the operands.
24442         (vectorizable_type_demotion): Use def-type of stmt argument rather
24443         than dummy def-type.
24444
24445         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
24446         flag_tree_scev_cprop.
24447         * common.opt (tree-scev-cprop): New flag.
24448
24449         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
24450         call to vect_get_new_vect_var.
24451
24452 2007-02-06  Ira Rosen  <irar@il.ibm.com>
24453
24454         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
24455         vectype is not NULL.
24456         (vect_pattern_recog_1): Likewise.
24457
24458 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
24459
24460         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
24461         (fold_negate_expr): Likewise.
24462
24463 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
24464
24465         PR debug/30189
24466         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
24467         even if cv-qualification is the same.
24468
24469 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
24470
24471         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
24472         __enable_execute_stack on completion.
24473
24474 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24475
24476         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
24477         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
24478         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
24479         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
24480         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
24481         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
24482         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
24483         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
24484
24485 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24486
24487         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
24488         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
24489         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
24490         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
24491         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
24492         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
24493         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
24494         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
24495         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
24496         umuldi3_highpart_rex64, umulsi3_highpart_insn,
24497         umulsi3_highpart_zext, smuldi3_highpart_rex64,
24498         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
24499         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
24500         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
24501         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
24502         sqrtextenddfxf2_i387): Added amdfam10_decode.
24503
24504         * config/i386/athlon.md (athlon_idirect_amdfam10,
24505         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
24506         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
24507         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
24508         athlon_ivector_store_amdfam10): New define_insn_reservation.
24509         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
24510         amdfam10.
24511
24512 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24513
24514         * config/i386/athlon.md (athlon_call_amdfam10,
24515         athlon_pop_amdfam10, athlon_lea_amdfam10): New
24516         define_insn_reservation.
24517         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
24518         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
24519         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
24520
24521 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24522
24523         * config/i386/athlon.md (athlon_sseld_amdfam10,
24524         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
24525         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
24526
24527 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24528
24529         * config/i386/athlon.md (athlon_sseins_amdfam10): New
24530         define_insn_reservation.
24531         * config/i386/i386.md (sseins): Added sseins to define_attr type
24532         and define_attr unit.
24533         * config/i386/sse.md: Set type attribute to sseins for insertq
24534         and insertqi.
24535
24536 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24537
24538         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
24539         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
24540         ssecomi_load_amdfam10, ssecomi_amdfam10,
24541         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
24542         define_insn_reservation.
24543         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
24544
24545 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24546
24547         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
24548         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
24549         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
24550         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
24551         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
24552         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
24553         define_insn_reservation.
24554
24555         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
24556         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
24557         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
24558         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
24559         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
24560
24561 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24562
24563         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
24564         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
24565         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
24566         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
24567         athlon_ssemul_load_k8): Added amdfam10.
24568
24569 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24570
24571         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
24572         (x86_sse_unaligned_move_optimal): New variable.
24573
24574         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
24575         m_AMDFAM10.
24576         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
24577         for unaligned vector SSE double/single precision loads for AMDFAM10.
24578
24579 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24580
24581         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
24582         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
24583         Define TARGET_CPU_DEFAULT_amdfam10.
24584         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
24585         (processor_type): Add PROCESSOR_AMDFAM10.
24586
24587         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
24588         processor_type in config/i386/i386.h.
24589         Enable imul peepholes for TARGET_AMDFAM10.
24590
24591         * config.gcc: Add support for --with-cpu option for amdfam10.
24592
24593         * config/i386/i386.c (amdfam10_cost): New variable.
24594         (m_AMDFAM10): New macro.
24595         (m_ATHLON_K8_AMDFAM10): New macro.
24596         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
24597         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
24598         x86_promote_QImode, x86_integer_DFmode_moves,
24599         x86_partial_reg_dependency, x86_memory_mismatch_stall,
24600         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
24601         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
24602         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
24603         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
24604         Enable/disable for amdfam10.
24605         (override_options): Add amdfam10_cost to processor_target_table.
24606         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
24607         processor_alias_table.
24608         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
24609         (ix86_adjust_cost): Add code for amdfam10.
24610
24611 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24612
24613         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
24614         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
24615         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
24616         * config/i386/i386.h: Add builtin definition for SSE4A.
24617         * config/i386/i386.md: Add support for ABM instructions
24618         (popcnt and lzcnt).
24619         * config/i386/sse.md: Add support for SSE4A instructions
24620         (movntss, movntsd, extrq, insertq).
24621         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
24622         Add -march=amdfam10 flag.
24623         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
24624         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
24625         and amdfam10.
24626         * doc/extend.texi: Add documentation for SSE4A builtins.
24627
24628 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
24629
24630         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
24631
24632 2007-02-05  Richard Guenther  <rguenther@suse.de>
24633
24634         * tree-vectorizer.h (vectorizable_function): Add argument type
24635         argument, change return type.
24636         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
24637         * tree-vect-transform.c (vectorizable_function): Handle extra
24638         argument, return vectorized function decl.
24639         (build_vectorized_function_call): Remove.
24640         (vectorizable_call): Handle calls with result and argument types
24641         differing.  Handle loop vectorization factor correctly.
24642         * targhooks.c (default_builtin_vectorized_function): Adjust for
24643         extra argument.
24644         * targhooks.h (default_builtin_vectorized_function): Likewise.
24645         * target.h (builtin_vectorized_function): Add argument type
24646         argument.
24647         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
24648         extra argument, allow vectorizing of lrintf.
24649         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
24650         documentation of target hook.
24651
24652 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
24653
24654         PR target/30665
24655         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
24656         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
24657         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
24658
24659 2007-02-05  Roger Sayle  <roger@eyesopen.com>
24660
24661         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
24662         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
24663         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
24664         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
24665         before canonicalizing sincos to cexpi.
24666         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
24667
24668 2007-02-05  Roger Sayle  <roger@eyesopen.com>
24669
24670         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
24671         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
24672         (alpha_init_builtins): Use alpha_add_builtins to process tables.
24673
24674 2007-02-05  Roger Sayle  <roger@eyesopen.com>
24675
24676         * mips-tfile.c (initialize_init_file): Correct endianness test.
24677
24678 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
24679
24680         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
24681         the 'y' constraint.
24682
24683 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
24684
24685         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
24686         saves in a PARALLEL before the register assignments.
24687
24688 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
24689
24690         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
24691         DWARF_FRAME_RETURN_COLUMN to be a general register.
24692         * dwarf2out.c (init_return_column_size): New function, split from...
24693         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
24694         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
24695         to be nongeneral registers.
24696         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
24697         integer registers.
24698         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
24699         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
24700
24701 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
24702
24703         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
24704
24705 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
24706
24707         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
24708         (remove_path): Use can_remove_branch_p and remove_branch instead
24709         of loop_delete_branch_edge.
24710         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
24711         (tree_transform_and_unroll_loop): Remove dead branches immediately.
24712         Update profile using scale_dominated_blocks_in_loop.
24713         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
24714         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
24715         (can_remove_branch_p, remove_branch): Declare.
24716         * tree-cfg.c (tree_can_remove_branch_p): New function.
24717         (tree_cfg_hooks): Add tree_can_remove_branch_p.
24718         * cfgrtl.c (rtl_can_remove_branch_p): New function.
24719         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
24720
24721 2007-02-05  Jan Hubicka  <jh@suse.cz>
24722
24723         PR middle-end/30696
24724         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
24725         nodes in cgraph, don't remove offline copy of the function.
24726
24727 2007-02-04  Jan Hubicka  <jh@suse.cz>
24728
24729         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
24730         vectors might cause maybe_lookup_element_for_expr to be called
24731         on non-sra-candidate.
24732
24733 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
24734
24735         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
24736         config/bfin/bfin.md, config/bfin/predicates.md: Follow
24737         spelling conventions.
24738
24739 2007-02-04  Richard Guenther  <rguenther@suse.de>
24740
24741         PR middle-end/30636
24742         * fold-const.c (try_move_mult_to_index): Make sure to not
24743         overflow one dimension of a multi-dimensional array access.
24744
24745 2007-02-04  Jan Hubicka  <jh@suse.cz>
24746
24747         * passes.c (init_optimization_passes): Reindent.
24748
24749 2007-02-04  Jan Hubicka  <jh@suse.cz>
24750             Eric Botcazou  <ebotcazou@adacore.com>
24751
24752         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
24753         (execute_fixup_cfg): Break out the abnormal goto code.
24754         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
24755         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
24756         (optimize_inline_calls): Call make_nonlocal_label_edges.
24757
24758 2007-02-04  Jan Hubicka  <jh@suse.cz>
24759
24760         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
24761         true when something was changed.
24762         (rename_ssa_copies): When something was changed, do
24763         TODO_remove_unused_locals.
24764         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
24765         add TODO_remove_unused_locals when instruction was removed.
24766
24767 2007-02-04  Jan Hubicka  <jh@suse.cz>
24768
24769         * ipa-inline.c (try_inline): Improve debug output; work on already
24770         inline edges too.
24771         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
24772         call try_inline for already inlined edges too when flattening;
24773         inline also functions that make callee growth but overall unit size
24774         reduce.
24775
24776 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
24777
24778         * config/m32c/bitops.md, config/m32c/jump.md,
24779         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
24780         config/m32r/m32r.h, config/m32r/m32r.md,
24781         config/m32r/predicates.md, config/m68hc11/larith.asm,
24782         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
24783         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
24784         config/mips/mips-protos.h, config/mips/mips.c,
24785         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
24786         config/mn10300/mn10300.h, config/mn10300/predicates.md,
24787         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
24788         spelling conventions.
24789
24790         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
24791         Follow spelling conventions.
24792
24793 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
24794
24795         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
24796         warn about C++0x compatibility.
24797
24798 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
24799
24800         * config/h8300/h8300.c, config/h8300/h8300.h,
24801         config/h8300/h8300.md: Follow spelling conventions.
24802
24803 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
24804
24805         PR middle-end/30667
24806         * combine.c (try_combine): Do not substitute source operand
24807         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
24808
24809 2007-02-03  Jan Hubicka  <jh@suse.cz>
24810
24811         PR gcov-profile/30650
24812         * value-prof.c (stringop_block_profile): Fix handling of size counter;
24813         do not divide by zero for never executed counters.
24814         (tree_find_values_to_profile): Fix counters.
24815         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
24816
24817 2007-02-03  Ian Lance Taylor  <iant@google.com>
24818
24819         * lower-subreg.c (simple_move_operand): New static function,
24820         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
24821         operands.
24822         (simple_move): Call simple_move_operand.
24823         (find_decomposable_subregs): Add special handling of MEMs.
24824         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
24825         meaning of return value.  If we see a hard register, test whether
24826         it can store a word_mode value.  Change all callers.
24827
24828 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
24829
24830         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
24831         ftrapv insns and expanders.
24832         (subdi3): Change define_expand operand 1 to arith11_operand, and
24833         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
24834         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
24835         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
24836         respectively.
24837
24838         PR middle-end/30174
24839         * varasm.c (notice_global_symbol): Treat global objects as weak when
24840         flag_shlib is true.
24841
24842 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
24843
24844         * emit-rtl.c (dconstpi): Delete.
24845         (dconstsqrt2): New.
24846         (init_emit_once): Delete dconstpi and init dconstsqrt2.
24847         * real.h (dconstpi): Delete.
24848         (dconstsqrt2): New.
24849         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
24850         (fold_builtin_hypot): Likewise.
24851
24852 2007-02-03  Tom Tromey  <tromey@redhat.com>
24853
24854         PR driver/30246
24855         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
24856         -gcoff3, -gxcoff3, -gvms3 implies -dD.
24857
24858 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
24859
24860         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
24861         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
24862         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
24863         config/rs6000/cell.md, config/rs6000/darwin.h,
24864         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
24865         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
24866         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
24867         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
24868         typos.  Follow spelling conventions.
24869         * doc/invoke.texi: Follow spelling conventions.
24870
24871 2007-02-03  Roger Sayle  <roger@eyesopen.com>
24872
24873         * simplify-rtx.c (simplify_relational_operation_1): Implement some
24874         canonicalization transformations that attempt to simplify integer
24875         constant comparisons to become comparisons against zero.
24876
24877 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
24878
24879         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
24880         fabs(x)*sqrt(2).
24881         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
24882         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
24883
24884 2007-02-02  Mike Stump  <mrs@apple.com>
24885
24886         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
24887         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
24888         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
24889         generate a branch island.
24890
24891 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
24892
24893         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
24894         (xtensa_legitimate_address_p): New.
24895         (xtensa_legitimize_address): New.
24896         (xtensa_output_addr_const_extra): New.
24897         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
24898         (BASE_REG_P): New.
24899         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
24900         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
24901         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
24902         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
24903         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
24904         (xtensa_legitimize_address): New.
24905         (xtensa_output_addr_const_extra): New.
24906
24907 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
24908
24909         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
24910
24911 2007-02-02  Ian Lance Taylor  <iant@google.com>
24912
24913         * expmed.c (expand_divmod): Add comment.
24914
24915 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
24916
24917         * emit-rtl.c (renumber_insns): Remove.
24918         * flags.h: Remove the extern for flag_renumber_insns.
24919         * rtl.h: Remove the prototype for renumber_insns.
24920         * toplev.c (flag_renumber_insns): Remove.
24921
24922 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
24923
24924         Revert for x86 darwin:
24925         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
24926
24927         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
24928         code before the following patch under TARGET_MACHO.
24929         (ix86_function_value_regno_p): Likewise.
24930
24931 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
24932
24933         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
24934         COMPLEX_EXPR.
24935
24936 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
24937
24938         PR target/29682
24939         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory
24940         loads to general or fp registers.  Add comments.
24941         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
24942
24943 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
24944
24945         * pointer-set.c (insert_aux): Only return insertion slot.
24946         (pointer_set_insert): Adjust.
24947         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
24948         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
24949         pointer_map_traverse): New.
24950         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
24951         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
24952         pointer_map_contains, pointer_map_traverse): Declare.
24953
24954 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
24955
24956         PR middle-end/30473
24957         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
24958         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
24959
24960 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
24961
24962         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
24963
24964         (struct _dep): New type.
24965         (dep_t): New typedef.
24966         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
24967         (DEP_STATUS): New access macro.  The macro with the same name was
24968         renamed to DEP_LINK_STATUS.
24969         (dep_init): Declare function
24970
24971         (struct _dep_link): New type.
24972         (dep_link_t): New typedef.
24973         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
24974         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
24975         (DEP_LINK_STATUS): New macro.
24976         (debug_dep_links): New debug function.
24977
24978         (struct _deps_list): New type.
24979         (deps_list_t): New typedef.
24980         (DEPS_LIST_FIRST): New access macro.
24981         (FOR_EACH_DEP_LINK): New cycle macro.
24982         (create_deps_list, free_deps_list, delete_deps_list): Declare
24983         functions.
24984         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
24985         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
24986         (copy_deps_list_change_con): Ditto.
24987
24988         (move_dep_link): Declare function.
24989
24990         (struct _dep_node): New type.
24991         (dep_node_t): New typedef.
24992         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
24993
24994         (struct haifa_insn_data.back_deps): New field to hold backward
24995         dependencies of the insn.
24996         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
24997         to deps_list_t.
24998         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
24999         Change its type to deps_list_t.
25000         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
25001         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
25002         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
25003
25004         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
25005
25006         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
25007
25008         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration
25009         and all callers.
25010         (dep_cost): Declare.
25011
25012         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
25013         (ds_to_dk, dk_to_ds): New functions.
25014
25015         (init_dep_1): New static function.
25016         (init_dep): New function.
25017         (copy_dep): New static function.
25018
25019         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
25020         functions.
25021         (detach_dep_link): New static function.
25022         (move_dep_link): New function.
25023
25024         (dep_links_consistent_p, dump_dep_links): New static functions.
25025         (debug_dep_links): New debugging function.
25026
25027         (deps_obstack, dl_obstack, dn_obstack): New static variables.
25028
25029         (alloc_deps_list, init_deps_list): New static functions.
25030         (create_deps_list): New function.
25031         (clear_deps_list): New static function.
25032         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
25033         (deps_list_consistent_p, dump_deps_list): New static functions.
25034         (debug_deps_list): New function.
25035         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
25036         functions.
25037         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
25038
25039         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
25040         use new scheduler dependencies lists.
25041         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
25042         (sched_analyze): Ditto.  Initialize dependencies lists.
25043         (add_forw_dep, compute_forward_dependences): Update to use new
25044         scheduler dependencies lists.
25045
25046         (init_dependency_caches): Init deps_obstack.
25047         (free_dependency_caches): Free deps_obstack.
25048
25049         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
25050         new scheduler dependencies lists.
25051         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
25052         (add_back_forw_dep, delete_back_forw_dep): Ditto.
25053
25054         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
25055         Update to use new scheduler dependencies lists.
25056         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
25057         (debug_dependencies): Ditto.
25058         (schedule_region): Update comments.
25059
25060         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
25061         scheduler dependencies lists.
25062         (schedule_ebb): Update comments.
25063
25064         * rtl.def (DEPS_LIST): Remove.
25065
25066         * lists.c (unused_deps_list): Remove.
25067         (free_list): Update assertions.
25068
25069         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
25070         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
25071
25072         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
25073         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
25074
25075         * haifa-sched.c (comments): Update.
25076         (insn_cost1): Remove.  Inline the code into insn_cost ().
25077         (insn_cost): Update to use new scheduler dependencies lists.  Move
25078         processing of the dependency cost to dep_cost ().
25079         (dep_cost): New function.  Use it instead of insn_cost () when
25080         evaluating cost of the dependency.  Use compatible interface to
25081         interact with the target.
25082         (priority): Update to use new scheduler dependencies lists.
25083         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
25084         with greater number of insns that depend on the insn.
25085         (schedule_insn): Update to use new scheduler dependencies lists.  Add
25086         code to free backward dependencies lists.  Inline and optimize code
25087         from resolve_dep () - see PR28071.
25088         (ok_for_early_queue_removal): Update to use new scheduler dependencies
25089         lists.  Update call to targetm.sched.is_costly_dependence hook.
25090
25091         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
25092         scheduler dependencies lists.
25093
25094         (resolve_dep): Remove.  Move the logic to schedule_insn ().
25095         (init_h_i_d): Initialize dependencies lists.
25096
25097         (process_insn_depend_be_in_spec): Rename to
25098         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
25099         dependencies lists.
25100         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
25101         Update to use new scheduler dependencies lists.
25102         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
25103
25104         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
25105         new scheduler dependencies lists.
25106         (build_intra_loop_deps): Ditto.
25107
25108         * target.h (struct _dep): Declare to use in
25109         gcc_target.sched.is_costly_dependence.
25110         (struct gcc_target.sched.adjust_cost): Fix typo.
25111         (struct gcc_target.sched.is_costly_dependence): Change signature to
25112         use single dep_t parameter instead of an equivalent triad.
25113         (struct gcc_target.sched.adjust_cost_2): Remove.
25114
25115         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
25116
25117         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
25118
25119         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
25120         documentation.
25121         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
25122
25123         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
25124         (REG_DEP_TRUE): Document.
25125
25126         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
25127         Change signature to correspond to the targetm.sched.adjust_cost hook.
25128         Update use in TARGET_SCHED_ADJUST_COST_2.
25129         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
25130         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
25131         new scheduler dependencies lists.
25132         (ia64_gen_check): Ditto.
25133
25134         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new
25135         scheduler dependencies lists.
25136
25137         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
25138         signature to correspond to the targetm.sched.is_costly_dependence hook.
25139         (is_costly_group): Update to use new scheduler dependencies lists.
25140
25141         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
25142         instead of INSN_COST () macro.
25143
25144 2007-02-01  Ian Lance Taylor  <iant@google.com>
25145
25146         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
25147
25148 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
25149
25150         * pa.md (tp_load): Correct mfctl instruction syntax.
25151
25152 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
25153
25154         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
25155         altivec_padding_size calculation on AIX.  Improve comment, add
25156         assert to verify that it's right.
25157
25158         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
25159         64-bit.
25160
25161 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
25162
25163         PR inline-asm/28686
25164         * global.c (global_alloc): Add mising initialization of
25165         ELIMINABLE_REGSET.
25166
25167 2007-02-01  Roger Sayle  <roger@eyesopen.com>
25168
25169         * alias.c (init_alias_analysis): Correct whitespace.
25170         * bb-reorder.c (fix_edges_for_rarely_executed_code,
25171         partition_hot_cold_basic_blocks): Likewise.
25172         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
25173         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
25174         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
25175         fold_builtin_snprintf_chk, fold_builtin_printf,
25176         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
25177         do_mpfr_arg3, do_mpfr_sincos): Likewise.
25178         * cfgcleanup.c (cleanup_cfg): Likewise.
25179         * cfgexpand.c (tree_expand_cfg): Likewise.
25180         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
25181         * function.c (get_next_funcdef_no): Likewise.
25182         * gengtype.c (main): Likewise.
25183         * genmodes.c (main): Likewise.
25184         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
25185         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
25186         * ifcvt.c (noce_emit_move_insn): Likewise.
25187         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
25188         Likewise.
25189         * stor-layout.c (get_best_mode): Likewise.
25190         * tree-ssa-loop-niter.c (get_val_for): Likewise.
25191         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
25192         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
25193         perform_var_substitution, solve_graph): Likewise.
25194         * tree-vrp.c (vrp_finalize): Likewise.
25195
25196 2007-02-01  Ian Lance Taylor  <iant@google.com>
25197
25198         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
25199         high part of a paradoxical subreg, return a constant zero.
25200
25201 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
25202
25203         * toplev.c (lang_dependent_init): Call init_set_costs.
25204         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
25205
25206 2007-02-01  Richard Guenther  <rguenther@suse.de>
25207
25208         PR middle-end/30656
25209         * fold-const.c (fold_negate_expr): Allow negating a
25210         constant if overflow does not change.
25211
25212 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
25213
25214         * doc/c-tree.texi (Expression trees): Improve markup.
25215         * doc/tm.texi (Register Classes, Addressing Modes)
25216         (Floating Point): Fix spacing after abbreviations.  Fix some
25217         typos.
25218
25219 2007-02-01  Ben Elliston  <bje@au.ibm.com>
25220
25221         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
25222         * doc/contrib.texi: Likewise.
25223         * doc/install.texi: Likewise.
25224
25225 2007-01-31  Richard Henderson  <rth@redhat.com>
25226             Ian Lance Taylor  <iant@google.com>
25227
25228         * lower-subreg.c: New file.
25229         * rtl.def (CONCATN): Define.
25230         * passes.c (init_optimization_passes): Add pass_lower_subreg and
25231         pass_lower_subreg2.
25232         * emit-rtl.c (update_reg_offset): New static function, broken out
25233         of gen_rtx_REG_offset.
25234         (gen_rtx_REG_offset): Call update_reg_offset.
25235         (gen_reg_rtx_offset): New function.
25236         * regclass.c: Revert patch of 2006-03-05, restoring
25237         reg_scan_update.
25238         (clear_reg_info_regno): New function.
25239         * dwarf2out.c (concatn_loc_descriptor): New static function.
25240         (loc_descriptor): Handle CONCATN.
25241         * common.opt (fsplit_wide_types): New option.
25242         * opts.c (decode_options): Set flag_split_wide_types when
25243         optimizing.
25244         * timevar.def (TV_LOWER_SUBREG): Define.
25245         * rtl.h (gen_reg_rtx_offset): Declare.
25246         (reg_scan_update): Declare.
25247         * regs.h (clear_reg_info_regno): Declare.
25248         * tree-pass.h (pass_lower_subreg): Declare.
25249         (pass_lower_subreg2): Declare.
25250         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
25251         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
25252         -fsplit-wide-types.
25253         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
25254         * Makefile.in (OBJS-common): Add lower-subreg.o.
25255         (lower-subreg.o): New target.
25256
25257 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
25258
25259         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
25260
25261 2007-01-31  Anatoly Sokolov <aesok@post.ru>
25262
25263         PR target/19087
25264         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
25265
25266 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25267
25268         PR middle-end/29335
25269         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
25270
25271 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
25272
25273         * cfgloop.h: Include vec-prim.h.
25274         (enum li_flags): Remove LI_ONLY_OLD.
25275         (loop_iterator): Changed.
25276         (fel_next, fel_init): Iterate over loop tree.
25277         (FOR_EACH_LOOP_BREAK): New macro.
25278         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
25279         FOR_EACH_LOOP.
25280         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
25281         * modulo-sched.c (sms_schedule): Ditto.
25282         * tree-vectorizer.c (vectorize_loops): Ditto.
25283         * doc/loop.texi: Update information on loop numbering and behavior of
25284         FOR_EACH_LOOP wrto new loops.
25285         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
25286         add_to_evolution_1): Test nestedness of loops instead of comparing
25287         their numbers.
25288         * tree-chrec.c (chrec_fold_plus_poly_poly,
25289         chrec_fold_multiply_poly_poly, chrec_evaluate,
25290         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
25291         reset_evolution_in_loop): Ditto.
25292         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
25293
25294 2007-01-31  Dirk Mueller  <dmueller@suse.de>
25295
25296         * c-common.c (warn_about_parentheses): Separate warning about
25297         un-parenthized sequence of comparison operators from the one
25298         which is supposed to warn about x <= y <= z.
25299
25300 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
25301
25302         * optabs.h (enum optab_index): Add new OTI_isinf.
25303         (isinf_optab): Define corresponding macro.
25304         * optabs.c (init_optabs): Initialize isinf_optab.
25305         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
25306         patterns.
25307         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
25308         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
25309         using isinf_optab.
25310         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
25311         expand_builtin_interclass_mathfn.
25312         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
25313         * config/i386/i386.md (UNSPEC_FXAM): New constant.
25314         (fxam<mode>2_i387): New insn pattern.
25315         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
25316         built-in functions as x87 inline asm.
25317
25318 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
25319
25320         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
25321
25322 2007-01-30  Eric Christopher  <echristo@apple.com>
25323
25324         * config.gcc: Add geode.
25325
25326 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
25327
25328         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
25329         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
25330         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
25331         value-prof.c: Fix comment typos.
25332
25333 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25334
25335         PR c++/24745
25336         * doc/invoke.texi (Wpointer-arith): Document warning.
25337
25338 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
25339
25340         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
25341         the list of discrepancies from the draft TR.
25342
25343 2007-01-30  Dirk Mueller  <dmueller@suse.de>
25344
25345         PR c++/30601
25346         * doc/invoke.texi (-Wreturn-type): Update description to
25347         match new behavior.
25348
25349 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
25350
25351         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
25352
25353 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
25354
25355         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
25356         to handle optabs that operate on floating point input argument and
25357         output to integer output.
25358         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
25359         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
25360         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
25361         expand_builtin_interclass_mathfn ().
25362         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
25363         (ilogbsi2): Remove.
25364         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
25365         ilogbl built-in functions as x87 intrinsics.
25366
25367 2007-01-30  Richard Guenther  <rguenther@suse.de>
25368
25369         PR middle-end/27657
25370         * dwarf2out.c (reference_to_unused): Query varpool if the
25371         variable was output.
25372
25373 2007-01-30  Richard Guenther  <rguenther@suse.de>
25374
25375         PR middle-end/30313
25376         * passes.c (execute_one_pass): Reset in_gimple_form to not
25377         confuse non-unit-at-a-time mode.
25378
25379 2007-01-29  Roger Sayle  <roger@eyesopen.com>
25380             Richard Guenther  <rguenther@suse.de>
25381
25382         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
25383         avoid undefined behaviour on overflow.  Use force_fit_type_double
25384         to construct the constant with the specified TREE_OVERFLOW.
25385
25386 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
25387
25388         * config/dfp-bit.c: Add parameterized support for fp exceptions.
25389         * config/dfp-bit.h: Ditto.
25390
25391 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25392
25393         * c-decl.c (pop_scope): Replace warnings with call to
25394         warn_for_unused_label.
25395         * c-common.h (warn_for_unused_label): Declare.
25396         * c-common.c (warn_for_unused_label): Define.
25397
25398 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25399
25400         * tree-optimize.c (update_inlined_to_pointers): Delete unused
25401         function.
25402
25403 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
25404
25405         * Makefile.in (USER_H): Remove decfloat.h.
25406         * ginclude/decfloat.h: Delete, moving contents to ...
25407         * ginclude/float.h: Add support for decimal floating point,
25408         guarded by __STDC_WANT_DEC_FP__.
25409
25410 2007-01-29  Mike Stump  <mrs@apple.com>
25411
25412         * doc/gccint.texi (Top): Rename Loop Representation to Loop
25413         Analysis and Representation to resolve case insensitive conflict.
25414         * doc/loop.texi (Loop Analysis and Representation): Likewise.
25415
25416 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
25417
25418         * tree.h (struct tree_memory_tag): Add aliases member.
25419         (MTAG_ALIASES): New macro.
25420         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
25421         (add_may_alias): Remove pointer-set. Update for may_aliases being
25422         a bitmap.
25423         (mark_aliases_call_clobbered): Update for may_aliases being a
25424         bitmap.
25425         (compute_tag_properties): Ditto.
25426         (create_partition_for): Ditto.
25427         (compute_memory_partitions): Ditto.
25428         (dump_may_aliases_for): Ditto.
25429         (is_aliased_with): Ditto.
25430         (add_may_alias_for_new_tag): Ditto.
25431         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
25432         (compute_is_aliased): New function.
25433         (compute_may_aliases): Call compute_is_aliased).
25434         (init_alias_info): Initialize alias_bitmap_obstack.
25435         (union_alias_set_into): New function.
25436         (compute_flow_sensitive_aliasing): Use union_aliases_into.
25437         (have_common_aliases_p): Rewrite to take two bitmaps and use
25438         intersection.
25439         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
25440         Update for bitmaps.
25441         (finalize_ref_all_pointers): Update for add_may_alias changes.
25442         (new_type_alias): Ditto.
25443         * tree-flow-inline.h (may_aliases): Return a bitmap.
25444         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
25445         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
25446         may_aliases being a bitmap.
25447         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
25448         may_aliases now returns a bitmap.
25449         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
25450         being a bitmap.
25451         * tree-ssa-operands.c (add_virtual_operand): Update for
25452         may_aliases being a bitmap.
25453
25454 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
25455
25456         PR tree-optimization/30630
25457         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
25458         variable as changed.
25459
25460 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
25461
25462         PR c++/28266
25463         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
25464         expanded only once even if an error occurs.
25465
25466 2007-01-29  Ben Elliston  <bje@au.ibm.com>
25467
25468         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
25469         (__gcov_average_profiler): Likewise.
25470         (__gcov_ior_profiler): Likewise.
25471         (__gcov_merge_ior): Likewise.
25472
25473 2007-01-28  Jan Hubicka  <jh@suse.cz>
25474
25475         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
25476         * value-prof.c (stringop_block_profile): Likewise.
25477
25478 2007-01-28  Jan Hubicka  <jh@suse.cz>
25479
25480         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall):
25481         Add variant handling histograms; add wrapper.
25482         (clear_storage_via_libcall): Export.
25483         (emit_block_move_hints): Break out from ...; add histograms.
25484         (emit_block_move): ... this one.
25485         (clear_storage_hints): Break out from ...; add histograms.
25486         (clear_storage): ... this one.
25487         (set_storage_via_memset): Handle histogram.
25488         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
25489         (clear_storage_hints, clear_storage_via_libcall): Declare.
25490         (set_storage_via_setmem): Update prototype.
25491         * doc/md.texi (movmem, setmem): Document new arguments.
25492
25493         * value-prof.c (dump_histogram_value, tree_find_values_to_profile):
25494         Add new histograms.
25495         (stringop_block_profile): New global function.
25496         (tree_stringops_values_to_profile): Profile block size and alignment.
25497         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
25498         HIST_TYPE_IOR.
25499         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
25500         (stringop_block_profile): Declare.
25501         * builtins.c: Include value-prof.h.
25502         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
25503         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
25504         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
25505         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
25506         * profile.c (instrument_values): Add new counters.
25507         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
25508         calls.
25509         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
25510         (tree_init_edge_profiler): Build new profilers.
25511         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
25512         (pass_tree_profile): Add dump.
25513         (tree_profile_hooks): Update.
25514         * Makefile.in (LIBGCOV): Add new constants.
25515         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
25516         __gcov_ior_profiler): New.
25517         * i386.md (movmem/setmem expanders): Add new optional arguments.
25518
25519 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
25520
25521         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
25522
25523 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
25524
25525         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
25526         (tree_unswitch_single_loop): Pass eni_size_weights to
25527         tree_num_loop_insns.
25528         * tree-ssa-loop-manip.c: Include tree-inline.h.
25529         (can_unroll_loop_p): Pass eni_size_weights to
25530         tree_num_loop_insns.
25531         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
25532         Pass eni_size_weights to estimate_num_insns.
25533         * tree.h (init_inline_once): Export.
25534         * toplev.c (backend_init): Call init_inline_once.
25535         * cgraphunit.c (cgraph_process_new_functions,
25536         cgraph_analyze_function): Pass eni_inlining_weights to
25537         estimate_num_insns.
25538         * ipa-inline.c (compute_inline_parameters): Ditto.
25539         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
25540         to estimate_num_insns.
25541         (try_unroll_loop_completely): Pass eni_size_weights to
25542         tree_num_loop_insns.
25543         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
25544         ot estimate_num_insns.
25545         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
25546         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
25547         * tree-inline.c (eni_inlining_weights, eni_size_weights,
25548         eni_time_weights): New variables.
25549         (init_inline_once): Initialize them.
25550         (struct eni_data): Mew.
25551         (estimate_num_insns_1, estimate_num_insns): Use weights.
25552         * tree-inline.h (struct eni_weights_d): New.
25553         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
25554         (estimate_num_insns): Declaration changed.
25555         * cfgloop.h (tree_num_loop_insns): Declaration changed.
25556         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
25557         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
25558
25559 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
25560
25561         * tree-data-ref.c (conflict_fn): Assert that the number of affine
25562         relations in the conflict function is valid.
25563
25564 2007-01-27  Ian Lance Taylor  <iant@google.com>
25565
25566         * common.opt: Add fstrict-overflow.
25567         * opts.c (decode_options): Set flag_strict_overflow if -O2.
25568         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
25569         (TYPE_OVERFLOW_UNDEFINED): Define.
25570         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
25571         Replace all uses.
25572         * tree.h (TYPE_TRAP_SIGNED): Don't define.
25573         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
25574         (fold_negate_expr): Likewise.
25575         (make_range): Likewise.
25576         (extract_muldiv_1): Likewise.
25577         (maybe_canonicalize_comparison): Likewise.
25578         (fold_comparison): Likewise.
25579         (fold_binary): Likewise.
25580         (tree_expr_nonnegative_p): Likewise.
25581         (tree_expr_nonzero_p): Likewise.
25582         * tree-vrp.c (compare_values): Likewise.
25583         (extract_range_from_binary_expr): Likewise.
25584         (extract_range_from_unary_expr): Likewise.
25585         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
25586         Likewise.
25587         (nowrap_type_p): Likewise.
25588         * tree-scalar-evolution.c (simple_iv): Likewise.
25589         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
25590         (build_range_check): Likewise.
25591         (extract_muldiv_1): Likewise.
25592         (fold_comparison): Likewise.
25593         * tree-vrp.c (vrp_int_const_binop): Likewise.
25594         (extract_range_from_unary_expr): Likewise.
25595         * convert.c (convert_to_integer): Likewise.
25596         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
25597         (fold_comparison): Likewise.
25598         (fold_binary): Likewise.
25599         * optabs.c (optab_for_tree_code): Likewise.
25600         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
25601         * simplify-rtx.c (simplify_const_relational_operation): Check
25602         flag_strict_overflow and flag_trapv.
25603         (simplify_const_relational_operation): Likewise.
25604         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
25605         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
25606         -fstrict-overflow.
25607
25608 2007-01-27  Roger Sayle  <roger@eyesopen.com>
25609
25610         * tree.c (tree_fold_gcd): Delete.
25611         * tree.h (tree_fold_gcd): Remove prototype.
25612         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
25613         test whether one constant integer is a multiple of another.  Instead
25614         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
25615         * fold-const.c (multiple_of_p): We've determined both TOP and
25616         BOTTOM are integer constants so we can call int_const_binop directly
25617         instead of the more generic const_binop.
25618
25619 2007-01-27  Roger Sayle  <roger@eyesopen.com>
25620
25621         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
25622         1*X check that the constant hasn't overflowed, to preserve the
25623         TREE_OVERFLOW bit.
25624         (round_up): Provide an efficient implementation when rouding-up an
25625         INTEGER_CST to a power-of-two.
25626
25627 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
25628
25629         * doc/sourcebuild.texi: Add comma for clarity.
25630         * doc/extend.texi: Fix some typos.
25631         * doc/passes.texi: Likewise.
25632         * doc/cppinternals.texi: Likewise.
25633         * doc/c-tree.texi: Likewise.
25634         * doc/tree-ssa.texi: Likewise.
25635         * doc/install.texi: Likewise.
25636
25637 2007-01-27  Jan Hubicka  <jh@suse.cz>
25638
25639         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
25640         (pass_sra): Do not require alias information.
25641         * passes.c (init_optimization_passes): Add SRA
25642
25643 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
25644
25645         * tracer.c (rest_of_handle_tracer): We already cleaned
25646         up the CFG in tracer() so don't do it here again.
25647         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
25648         cleanup_cfg here, either.  And don't call renumber_insns.
25649
25650         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
25651         and BB_HEAD are in the insn stream here.  Instead make sure
25652         that BB_INSN is valid on all insns.  Also, do check here that
25653         there are no pending branch predictions...
25654         (rtl_verify_flow_info): ...instead of doing it here.  Checks
25655         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
25656         here.
25657
25658 2007-01-26  Roger Sayle  <roger@eyesopen.com>
25659
25660         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
25661         function to simplify/factorize operand order canonicalization.
25662         (ix86_fixup_binary_operands): Reorganize using the above function.
25663         (ix86_binary_operator_ok): Likewise.
25664
25665 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
25666
25667         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
25668         file scope from optimize_attrs.
25669         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
25670         up search.
25671         (optimize_attrs): Clear insn_code_values after freeing it.
25672
25673 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
25674
25675         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
25676         a parts.base assignment.
25677
25678 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
25679
25680         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
25681         (compute_subscript_distance, initialize_data_dependence_relation,
25682         finalize_ddr_dependent, analyze_ziv_subscript,
25683         analyze_siv_subscript_cst_affine,
25684         compute_overlap_steps_for_affine_univar,
25685         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
25686         analyze_siv_subscript, analyze_miv_subscript,
25687         analyze_overlapping_iterations, subscript_dependence_tester_1,
25688         compute_self_dependence, free_dependence_relation): Work
25689         with affine_fn instead of chrecs.
25690         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
25691         common_affine_function, affine_function_base,
25692         affine_function_constant_p, affine_fn_op, affine_fn_plus,
25693         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
25694         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
25695         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
25696         (all_chrecs_equal_p): Removed.
25697         * tree-data-ref.h (affine_fn, conflict_function): New types.
25698         (struct subscript): Change type of conflicting_iterations_in_a
25699         and conflicting_iterations_in_b.
25700
25701 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
25702
25703         PR other/30182
25704         * config/pa/pa.h (TARGET_HPUX_11): New.
25705         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
25706         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
25707
25708 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
25709         Richard Guenther  <rguenther@suse.de>
25710
25711         * tree-ssa-structalias.c (solve_graph): Handle case
25712         we merged the variable to another.
25713
25714 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25715
25716         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
25717         functions.
25718
25719         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
25720         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
25721
25722 2007-01-25  DJ Delorie  <dj@redhat.com>
25723
25724         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
25725         allow changes to modes which don't fit in those registers.
25726
25727         * reload1.c (choose_reload_regs): Check for invalid subregs before
25728         computing their locations, not after.
25729
25730 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
25731
25732         PR 25127
25733         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
25734         save Altivec registers in an eh_return function.
25735         (compute_vrsave_mask): Likewise.
25736         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
25737         for saving Altivec registers.
25738         (rs6000_emit_prologue): Don't allocate stack twice in
25739         eh_return function.  Correct expected value of altivec_save_offset
25740         when using save_world.  Describe save of R0 to stack when using
25741         save_world.  Describe stack pointer adjustment when using
25742         save_world.  Remove duplicated eh_return parameter register saving.
25743         Update sp_offset variable after save_world.
25744         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
25745         darwin-world.asm.
25746         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
25747         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
25748         implies Altivec.
25749
25750 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
25751
25752         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
25753
25754 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
25755
25756         PR other/30182
25757         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
25758         * config/ia64/ia64.c (ia64_init_builtins): Ditto.
25759
25760 2007-01-25  Richard Guenther  <rguenther@suse.de>
25761
25762         * doc/invoke.texi (-Wcoverage-mismatch): Document.
25763         * common.opt (-Wcoverage-mismatch): New warning option.
25764         * coverage.c (get_coverage_counts): Ignore coverage mismatch
25765         if -Wcoverage-mismatch is given.
25766
25767 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
25768
25769         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
25770         (ipcp_driver): Change to static definition.
25771         Add dumping of the ifunctions.
25772         (constant_val_insert): Remove unused parameter. Support for SSA.
25773         (ipcp_propagate_const): Support for SSA.
25774         (ipcp_profile_bb_print): Print only analyzed nodes.
25775         (ipcp_replace_map_create): Remove support for Fortran constant
25776         for now.
25777         * ipa-prop.c (ipa_method_modify_stmt,
25778         ipa_callsite_compute_param): Support for SSA.
25779         * ipa-prop.h (ipcp_driver): Remove declaration.
25780         (IS_VALID_TREE_MAP_INDEX): Add define.
25781
25782 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
25783
25784         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
25785
25786 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25787
25788         PR middle-end/30447
25789         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
25790         constant argument to cabs and do it without checking for
25791         -funsafe-math-optimizations.
25792
25793 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
25794
25795         * c-common.h (RID_FIRST_CXX0X): New.
25796         (RID_LAST_CXX0X): New.
25797         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
25798         by -Wall.
25799         * c.opt (Wc++0x-compat): New.
25800         * doc/invoke.texi (-Wc++0x-compat): Document.
25801
25802 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25803
25804         * builtins.c (fold_builtin_carg): New.
25805         (fold_builtin_1): Use it.
25806
25807 2007-01-24  Jan Hubicka  <jh@suse.cz>
25808
25809         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
25810
25811         * ipa-inline.c (initial_insns, max_insns): Delete.
25812         (compute_max_insns): New function.
25813         (cgraph_decide_inlining_of_small_function): Use it; take minimal
25814         amount of insns as base for code growth.
25815         (cgraph_decide_inlining): Make initial_insns local; do not compute
25816         max_insns.
25817         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
25818         * doc/invoke.texi (inline-unit-growth): Update docs.
25819
25820 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
25821
25822         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
25823         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
25824         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
25825         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
25826         for CPUs that have PTA_CX16 set.
25827
25828         PR middle-end/27416
25829         * gimplify.c (omp_check_private): New function.
25830         (gimplify_scan_omp_clauses): Use it for
25831         firstprivate/lastprivate/reduction.
25832
25833         PR middle-end/30494
25834         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
25835         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
25836
25837         PR middle-end/30421
25838         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
25839         If lower_lastprivate_clauses emits some statements, append them
25840         to dlist rather than body_p and to body_p append an initializer.
25841         (lower_omp_for): Adjust caller.
25842
25843 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
25844
25845         * target.h (globalize_decl_name): New.
25846         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
25847         * output.h (default_globalize_decl_name): New.
25848         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
25849         globalize_label.
25850         (globalize_decl): Ditto.
25851         (default_globalize_decl_name): New.
25852         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
25853         (ia64_handle_version_id_attribute): New.
25854         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
25855         (ia64_asm_output_external): Use globalize_decl_name instead
25856         of globalize_label.
25857         * doc/extend.texi (version_id): New pragma.
25858         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
25859
25860 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
25861
25862         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
25863         _uleb128_t and _Unwind_SWord with _sleb128_t.
25864         * unwind-dw2.c (extract_cie_info, execute_stack_op,
25865         execute_cfa_program, uw_frame_state_for, uw_update_context_1):
25866         Likewise.
25867         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
25868         * unwind-pe.h (read_uleb128, read_sleb128,
25869         read_encoded_value_with_base): Likewise.
25870         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
25871
25872 2007-01-24  Richard Guenther  <rguenther@suse.de>
25873
25874         * builtins.c (expand_builtin_cexpi): Get the fndecl
25875         for cexp in the correct way.
25876
25877 2007-01-24  Jan Hubicka  <jh@suse.cz>
25878
25879         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS
25880         of calls.
25881
25882 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
25883
25884         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
25885         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
25886         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
25887         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
25888         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
25889         __SIZEOF_PTRDIFF_T__.
25890         * doc/cpp.texi: Documentation for the new builtin macros added.
25891
25892 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
25893
25894         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
25895         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
25896         instead of operands[2] to avoid access past the end of array.
25897
25898 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
25899
25900         * reload1.c (emit_reload_insns): Pass the reload register
25901         for a non-spill output reload through forget_old_reloads_1.
25902
25903 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
25904
25905         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
25906         _SOFT_DOUBLE if doubles use software floating-point.
25907         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
25908         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
25909         * config/rs6000/darwin-ldouble.c: Also compile functions for
25910         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
25911         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
25912         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
25913         commented-out long double override.
25914         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
25915         * config/rs6000/eabispe.h: Likewise.
25916         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
25917         long double for non-SPE.
25918         (rs6000_handle_option): Likewise.
25919         (invalid_e500_subreg): Disallow more subregs involding DImode,
25920         DFmode, TImode or TFmode.
25921         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
25922         E500 double.
25923         (legitimate_lo_sum_address_p): Also check for TFmode for E500
25924         double.
25925         (rs6000_legitimize_address): Also handle TFmode for E500 double.
25926         (rs6000_legitimize_reload_address): Also handle TFmode for E500
25927         double.
25928         (rs6000_legitimate_address): Also check for TFmode for E500
25929         double.
25930         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
25931         (spe_build_register_parallel): Handle TFmode and TCmode.
25932         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
25933         double.
25934         (function_arg): Handle TFmode and TCmode for E500 double.
25935         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
25936         in general.
25937         (print_operand): Handle TFmode and TImode for %y.
25938         (rs6000_generate_compare): Handle TFmode comparisons for E500
25939         double.
25940         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
25941         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
25942         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
25943         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
25944         TFmode for E500 double.
25945         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
25946         (floatsidf2): Enable for E500 double.
25947         (movtf_softfloat): Use rs6000_nonimmediate_operand.
25948         (extenddftf2): Change to extenddftf2_fprs.
25949         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
25950         depending on TARGET_E500_DOUBLE.
25951         (extendsftf2): Enable for E500 double.
25952         (trunctfdf2): Enable for E500 double.
25953         (trunctfsf2): Change to trunctfsf2_fprs.
25954         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
25955         depending on TARGET_E500_DOUBLE.
25956         (floatsitf2): Enable for E500 double.
25957         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
25958         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
25959         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
25960         (negtf2): Change to negtf2_internal.
25961         (negtf2): New expander.
25962         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
25963         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
25964         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
25965         (movdi_internal32): Use rs6000_nonimmediate_operand.
25966         (unnamed splitter): Likewise.
25967         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
25968         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
25969         (SPE64TF, DITI): New mode macros.
25970         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
25971         modes.
25972         (frob_tf_ti): New.
25973         (frob_<mode>_di_2): New.
25974         (frob_tf_di_8_2): New.
25975         (frob_di_df): Change to frob_di_<mode>; allow more modes.
25976         (frob_ti_tf): New.
25977         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
25978         more modes.
25979         (frob_ti_<mode>_8_2): New.
25980         (frob_ti_tf_2): New.
25981         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
25982         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
25983         TFmode.
25984         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
25985         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
25986         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
25987         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
25988         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
25989         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
25990         tsttflt_gp): New.
25991
25992 2007-01-23  Ian Lance Taylor  <iant@google.com>
25993
25994         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
25995         insn-*.o first.
25996         (OBJS-archive): Reformat, alphabetize.
25997         (OBJS): Change out_object_file to OBJS-md.
25998
25999 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
26000
26001         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
26002         JUMP_P and CALL_P predicates where applicable.
26003         * config/i386/i386.c: Ditto.
26004         * config/i386/i386.md: Ditto.
26005         * config/i386/mmx.md: Ditto.
26006         * config/i386/predicates.md: Ditto.
26007
26008 2007-01-22  Andreas Schwab  <schwab@suse.de>
26009
26010         * config/m68k/m68k.h: Fix comment.
26011
26012 2007-01-22  Jan Hubicka  <jh@suse.cz>
26013
26014         * passes.c (init_optimization_passes): Do not rerun
26015         pass_early_warn_uninitialized.
26016
26017 2007-01-22  Richard Guenther  <rguenther@suse.de>
26018
26019         PR tree-optimization/30038
26020         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
26021         function.
26022         (execute_cse_sincos_1): Likewise.
26023         (execute_cse_sincos): Likewise.
26024         (gate_cse_sincos): Likewise.
26025         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
26026         the cexpi() canonicalization of sincos().
26027         * tree-pass.h (pass_cse_sincos): Declare.
26028         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
26029
26030 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
26031
26032         PR rtl-optimization/29329
26033         * combine.c (replaced_rhs_insn): Rename to i2mod.
26034         (replaced_rhs_value): Rename to i2mod_new_rhs.
26035         (i2mod_old_rhs): New global variable.
26036         (combine_instructions): Adjust for above change.  Save a copy of
26037         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
26038         note are substituted in the second instruction.
26039         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
26040         ditch the note if it pertains to the second eliminated register
26041         and this register is mentioned in i2mod_old_rhs.
26042
26043         Revert:
26044         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
26045
26046         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
26047         the insn to which the note was originally attached.
26048
26049 2007-01-21  Jan Hubicka  <jh@suse.cz>
26050
26051         * ipa-inline.c (inlining_mode): Comment, move up.
26052         (cgraph_decide_inlining_incrementally): Do not perform inlining
26053         itself; fix handling of flattening of self recursive functions.
26054         (cgraph_find_cycles): Remove.
26055         (cgraph_flatten_node): Remove.
26056         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
26057         (try_inline): New function.
26058         (cgraph_early_inlining): Update call of
26059         cgraph_decide_inlining_incrementally.  Apply inlining here.
26060         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
26061
26062 2007-01-21  Dirk Mueller  <dmueller@suse.de>
26063
26064         PR bootstrap/30511
26065         * tree-vrp.c (check_array_bounds): do not warn
26066         about ADDR_EXPR's of ARRAY_REF's which are immediately
26067         used in binary expressions.
26068
26069 2007-01-21  Ira Rosen  <irar@il.ibm.com>
26070
26071         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
26072         read_write_dep and macros for its access.
26073         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
26074         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
26075         argument, call vect_check_interleaving for every independent pair of
26076         data-refs. Mark loads that access the same memory location as a store
26077         in the loop.
26078         (vect_check_dependences): Remove.
26079         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
26080         call, fix the call to vect_analyze_data_ref_dependence.
26081         (vect_analyze_data_ref_access): For statements that access the same
26082         data-ref, check that they are not stores; for loads, check that there
26083         is no store that access the same location.
26084
26085 2007-01-20  Roger Sayle  <roger@eyesopen.com>
26086             Joseph Myers  <joseph@codesourcery.com>
26087
26088         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
26089         (-fdump-rtl-stack): Likewise.
26090         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
26091         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
26092         (-mpt-fixed): Use @minus{} for minus sign.
26093         (Using Precompiled Headers): Fix under/overfull hbox.
26094
26095 2007-01-20  Jan Hubicka  <jh@suse.cz>
26096
26097         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
26098         place within annotation.
26099
26100 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
26101
26102         * pa.c (output_move_double): Change array size of xoperands to 4.
26103
26104 2007-01-20  Jan Hubicka  <jh@suse.cz>
26105
26106         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
26107         as temporary.
26108
26109 2007-01-19  Ian Lance Taylor  <iant@google.com>
26110
26111         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
26112         constant to unsigned HOST_WIDE_INT before negating.
26113
26114 2007-01-19  Ian Lance Taylor  <iant@google.com>
26115
26116         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
26117         to unsigned.
26118         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
26119         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
26120         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
26121         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
26122         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
26123         (realloc_vdef, realloc_vuse): Change second parameter to
26124         unsigned.
26125         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
26126         fields to unsigned.
26127         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
26128         unsigned. Change x and lim locals to unsigned.
26129         (realloc_vdef, realloc_vuse): Change num_elem parameter to
26130         unsigned.
26131         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
26132         (copy_virtual_operands): Change i and n locals to unsigned.
26133
26134 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
26135
26136         PR middle-end/29335
26137         * builtins.c (fold_builtin_1): Handle builtin fdim.
26138
26139 2007-01-20  Jan Hubicka  <jh@suse.cz>
26140
26141         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
26142         * tree-ssa-structalias.c (compute_points_to_sets): Do call
26143         init_alias_heapvars.
26144         (init_alias_heapvars): Initialize only when not already initialized.
26145         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
26146
26147 2007-01-19  Roger Sayle  <roger@eyesopen.com>
26148
26149         * common.opt (fsigned-zeros): New command line option.
26150         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
26151         of flag_unsafe_math_optimizations.
26152         * opts.c (set_fast_math_flags): The -ffast-math command line option
26153         implies -fno-signed-zeros.
26154         (fast_math_flags_set_p): Likewise.
26155
26156         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
26157         the documentation of -ffast-math appropriately.  Wrap long lines.
26158
26159 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
26160
26161         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
26162         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
26163
26164 2007-01-19  Tomas Bily  <tbily@suse.cz>
26165
26166         * cgraphunit.c (cgraph_finalize_function): Updating of pid
26167         * tree-profile.c:
26168         (tree_init_ic_make_global_vars): New function
26169         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
26170         (tree_gen_ic_profiler): New function
26171         (tree_gen_ic_func_profiler): New function
26172         (tree_profiling): Added calling of tree_gen_ic_func_profiler
26173         (tree_profile_hooks): Added hook for indirec/virtual calls
26174         * value-prof.c (tree_find_values_to_profile): New case for
26175         indirect calls
26176         (tree_values_to_profile): Call for determining indirect/virtual
26177         counters
26178         (tree_indirect_call_to_profile): New function
26179         (tree_ic_transform): New function
26180         (tree_ic): New function
26181         (find_func_by_pid): New function
26182         (init_pid_map): New function
26183         (tree_value_profile_transformations): Added check for
26184         indirect/virtual call transformation
26185         * value-prof.h (enum hist_type): New counter type for
26186         indirect/virtual calls
26187         (profile_hooks): Added new hook for profiling indirect/virtual
26188         calls
26189         * profile.c (instrument_values): New case for indirect/virtual
26190         call added
26191         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
26192         (GCOV_COUNTER_V_INDIR): New counter type
26193         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
26194         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
26195         call added
26196         * cgraph.c: Definition of cgraph_max_pid
26197         (cgraph_create_node): Default init of pid attribute
26198         * cgraph.h: Declaration of cgraph_max_pid
26199         (struct cgraph_node): Added pid attribute
26200         * libgcov.c (__gcov_indirect_call_profiler): New function
26201         (__gcov_one_value_profiler_body): New function
26202         (__gcov_one_value_profiler): Body was moved to
26203         __gcov_one_value_profiler_body and calls it
26204
26205 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
26206
26207         * doc/gty.texi (Options): Document the mark_hook option to GTY.
26208         * gengtype.c (write_types_data, write_func_for_structure,
26209         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
26210         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
26211         (walk_type, write_func_for_structure): Generate the mark_hook if
26212         needed.
26213
26214 2007-01-19  Jan Hubicka  <jh@suse.cz>
26215
26216         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
26217         'early' argument take inlining mode argument specifying whether to
26218         inline for size/speeed or all functions; add support for flattening;
26219         improve dumpting.
26220         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
26221
26222 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
26223
26224         PR c++/17947
26225         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
26226         the name of the declared identifier.
26227
26228 2007-01-19  Dirk Mueller  <dmueller@suse.de>
26229
26230         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
26231         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
26232         duplicate evaluation.
26233
26234 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
26235
26236         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
26237         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
26238         to XFMode, use acosxf2 and truncate result to requested mode.
26239         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
26240         (asin<mode>2): Similarly, with asin expanders.
26241         (*fscalexf4_i387): Rename from *fscalexf4.
26242         (expNcorexf3): New expander.
26243         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
26244         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
26245         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
26246         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
26247         patterns for SSE math.
26248         (exp10<mode>2): Similarly, with exp10 expanders.
26249         (exp2<mode>2): Similarly, with exp2 expanders.
26250         (expm1<mode>2): Similarly, with expm1 expanders.
26251         (ldexp<mode>3): Similarly, with ldexp expanders.
26252         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
26253         Use gen_truncxf<mode>2_i387_noop to truncate result.
26254
26255 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26256
26257         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
26258         for ColdFire targets.
26259
26260 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
26261             Richard Sandiford  <richard@codesourcery.com>
26262
26263         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
26264         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
26265         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
26266         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
26267         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
26268         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
26269
26270 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26271
26272         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
26273         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
26274         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
26275         (*adddi_dilshr32_cf): New pattern.
26276         (adddi3, subdi3): Remove first alternatives.
26277
26278 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26279
26280         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
26281         implemented using move.l, do not use its cc result for floating-point
26282         comparisons.
26283
26284 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26285
26286         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
26287         from accepting 's' constraints if flag_pic.
26288
26289 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26290
26291         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
26292         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
26293         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
26294         condition from TARGET_68881 to TARGET_HARD_FLOAT.
26295
26296 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
26297
26298         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
26299         ColdFire alternatives.
26300         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
26301         * config/m68k/m68k.md (clzsi2): Define for ColdFire
26302         architectures that support ff1 instruction.
26303
26304 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26305             Julian Brown  <julian@codesourcery.com>
26306
26307         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
26308         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
26309         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
26310         Add commentary.
26311
26312 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26313
26314         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
26315         and return a bool.
26316         (output_move_const_into_data_reg, output_move_simode_const): Delete.
26317         * config/m68k/m68k.c (const_method, const_int_cost): Take a
26318         HOST_WIDE_INT instead of an rtx.
26319         (m68k_rtx_costs): Update call accordingly.
26320         (output_move_const_into_data_reg): Likewise.  Fix formatting.
26321         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
26322         Return a bool.
26323         (output_move_simode_const): Update calls after above changes.
26324         Rework to use automatic variables and predicates like MEM_P.
26325         * config/m68k/m68k.md (pushexthisi_const): Update call to
26326         valid_mov3q_const.
26327
26328 2007-01-19  Dirk Mueller  <dmueller@suse.de>
26329
26330         * tree-ssa-alias.c (perform_var_substitution): Fix typo
26331         in dump_flags test.
26332
26333 2007-01-19  Richard Guenther  <rguenther@suse.de>
26334
26335         * builtins.c (expand_builtin_cexpi): Fall back to expanding
26336         via cexp in case sincos is not available.
26337
26338 2007-01-19  Richard Guenther  <rguenther@suse.de>
26339
26340         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
26341         * defaults.h (TARGET_HAS_SINCOS): Default to off.
26342         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
26343         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
26344         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
26345         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
26346         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
26347         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
26348
26349 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
26350
26351         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
26352         New insn patterns.
26353         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
26354         (atan2xf3): Directly generate RTL pattern.
26355         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
26356         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
26357         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
26358         disable patterns for SSE math.
26359         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
26360         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
26361         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
26362         disable patterns for SSE math.
26363
26364 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
26365
26366         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
26367
26368 2007-01-18  Roger Sayle  <roger@eyesopen.com>
26369
26370         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
26371         VIEW_CONVERT_EXPR to the same type as it's operand.
26372
26373 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
26374
26375         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
26376         configured for long double 128.
26377
26378 2007-01-18  Mike Stump  <mrs@apple.com>
26379
26380         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
26381         error.
26382
26383 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
26384
26385         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
26386         type correct.
26387
26388 2007-01-18  Jan Hubicka  <jh@suse.cz>
26389
26390         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
26391         greater than NUM_VOP_FREE_BUCKETS.
26392
26393 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
26394
26395         * tree-ssa-structalias.c: Update comments.
26396         (ptabitmap_obstack): Removed.
26397         (pta_obstack): New.
26398         (oldpta_obstack): Ditto.
26399         (stats): Add a few members.
26400         (struct variable_info): Remove node, complex, address_taken, and
26401         indirect_target members. Add oldsolution member.
26402         (new_var_info): Do not initialize removed members.
26403         (constraint_expr_type): Remove INCLUDES.
26404         (constraint_graph): Add size, implicit_preds, rep,
26405         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
26406         (FIRST_REF_NODE): New macro.
26407         (LAST_REF_NODE): Ditto.
26408         (FIRST_ADDR_NODE): Ditto.
26409         (find): New function.
26410         (unite): Ditto.
26411         (dump_constraint): Do not handle INCLUDES.
26412         (insert_into_complex): Do not insert duplicate constraints.
26413         (condense_varmap_nodes): Renamed and rewritten into ...
26414         (merge_node_constraints): This. Also fix bug in handling of
26415         offseted copy constraints.
26416         (clear_edges_for_node): No longer need to deal with preds at all,
26417         or removing associated preds/succs.
26418         (merge_graph_nodes): Deal with indirect_cycles.
26419         Don't deal with predecessors.
26420         (add_implicit_graph_edge): New function.
26421         (add_pred_graph_edge): Ditto.
26422         (add_graph_edge): Don't deal with predecessors.
26423         (build_constraint_graph): Removed.
26424         (build_pred_graph): New function.
26425         (build_succ_graph): Ditto.
26426         (struct scc_info): Removed in_component. Added roots, dfs, and
26427         node_mapping. Remove visited_index, unification_queue.
26428         (scc_visit): Deal with union-find we do now.
26429         Deal with cycles with REF nodes.
26430         (collapse_nodes): Renamed and rewritten to ...
26431         (unify_nodes): This.
26432         (process_unification_queue): Removed.
26433         (topo_visit): Cleanup
26434         (do_da_constraint): Use find.
26435         (do_sd_constraint): Ditto.
26436         (do_ds_constraint): Ditto.
26437         (do_complex_constraint): Ditto.
26438         (init_scc_info): Update for removed and added members.
26439         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
26440         (find_indirect_cycles): This.
26441         (equivalence_class): New variable.
26442         (label_visit): New function.
26443         (perform_variable_substitution): Rewritten.
26444         (free_var_substitution_info): New function.
26445         (find_equivalent_node): Ditto.
26446         (move_complex_constraints): Ditto.
26447         (eliminate_indirect_cycles): Ditto.
26448         (solve_graph): Only propagate changed bits.
26449         Use indirect cycle elimination.
26450         Use find.
26451         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
26452         (tree_id_eq): Renamed to ...
26453         (tree_vi_eq): This. Update for member change
26454         (insert_id_for_tree): Renamed and rewritten to ...
26455         (insert_vi_for_tree): This.
26456         (lookup_id_for_tree): Renamed and rewritten to ...
26457         (lookup_vi_for_tree): This.
26458         (get_id_for_tree): Renamed and rewritten to ...
26459         (get_vi_for_tree): Ditto.
26460         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
26461         (process_constraint): Don't handle INCLUDES.
26462         Remove special ADDRESSOF case.
26463         (find_func_aliases): Rewrite to use vi functions instead of id
26464         ones.
26465         (create_function_info_for): Ditto.
26466         (create_variable_info_for): Ditto.
26467         (intra_create_variable_infos): Ditto.
26468         (merge_smts_into): Ditto.
26469         (find_what_p_points_to): Ditto.
26470         (init_base_vars): Ditto.
26471         (init_alias_vars): Ditto.
26472         (remove_preds_and_fake_succs): New function.
26473         (dump_sa_points_to_info): Dump new stats.
26474         (dump_solution_for_var): Use find.
26475         (set_used_smts): Fix formatting.
26476         (compute_points_to_sets): Updated for new functions.
26477         (ipa_pta_execute): Ditto.
26478
26479 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
26480             Richard Sandiford  <richard@codesourcery.com>
26481
26482         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
26483         parallels.
26484         * calls.c (expand_call): If the return value is a PARALLEL,
26485         extract its first member.
26486         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
26487         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
26488         use FUNCTION_EXTRA_EPILOGUE.
26489         (m68k_function_value): Return a PARALLEL if the return value
26490         is of a pointer type.
26491         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
26492         (FUNCTION_EXTRA_EPILOGUE): Remove.
26493         * config/m68k/m68k.md (D0_REG): New constant.
26494
26495 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
26496
26497         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
26498         output a NOP for empty epilogues.
26499
26500 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26501
26502         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
26503         before function.  Extend register save check to include all
26504         registers, not just integer ones.
26505
26506 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
26507
26508         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
26509         (m68k_use_return_insn): ...this.
26510         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
26511         * config/m68k/m68k.c (use_return_insn): Rename to...
26512         (m68k_use_return_insn): ...this.
26513         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
26514         of USE_RETURN_INSN.
26515
26516 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
26517
26518         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
26519         nearest even, fix denormal rounding overflow.
26520
26521 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26522
26523         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
26524         f%$smove and f%$move.
26525         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
26526         (extendsfdf2_cf): Use fdmove instead of f%&move.
26527         (truncdfsf2_cf): Use fsmove instead of f%$smove.
26528         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
26529
26530 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26531
26532         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
26533         GPR<-GPR moves.
26534
26535 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26536
26537         * real.h (real_format): Add a canonical_nan_lsbs_set field.
26538         (coldfire_single_format): Declare.
26539         (coldfire_double_format): Likewise.
26540         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
26541         of qnan_msb_set to determine the lower bits of a canonical
26542         NaN significand.
26543         (encode_ieee_double): Likewise.
26544         (encode_ieee_quad): Likewise.
26545         (ieee_single_format): Initialize canonical_nan_lsbs_set.
26546         (mips_single_format): Likewise.
26547         (ieee_double_format): Likewise.
26548         (mips_double_format): Likewise.
26549         (ieee_extended_motorola_format): Likewise.
26550         (ieee_extended_intel_96_format): Likewise.
26551         (ieee_extended_intel_128_format): Likewise.
26552         (ieee_extended_intel_96_round_53_format): Likewise.
26553         (ibm_extended_format): Likewise.
26554         (mips_extended_format): Likewise.
26555         (ieee_quad_format): Likewise.
26556         (mips_quad_format): Likewise.
26557         (vax_f_format): Likewise.
26558         (vax_d_format): Likewise.
26559         (vax_g_format): Likewise.
26560         (i370_single_format): Likewise.
26561         (i370_double_format): Likewise.
26562         (decimal_single_format): Likewise.
26563         (decimal_double_format): Likewise.
26564         (decimal_quad_format): Likewise.
26565         (c4x_single_format): Likewise.
26566         (c4x_extended_format): Likewise.
26567         (real_internal_format): Likewise.
26568         (coldfire_single_format): New real_format.
26569         (coldfire_double_format): Likewise.
26570         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
26571         canonical_nan_lsbs_set.
26572         (pdp11_d_format): Likewise.
26573         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
26574         if TARGET_COLDFIRE_CPU.
26575
26576 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26577
26578         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
26579         (output_call, m68k_legitimize_call_address): Declare.
26580         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
26581         parenthesees.  Add support for a 'W' constraint.
26582         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
26583         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
26584         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
26585         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
26586         variables.
26587         (override_options): Initialize them.  Do not set flag_no_function_cse
26588         for TARGET_ID_SHARED_LIBRARY.
26589         (m68k_output_pic_call): Delete.
26590         (m68k_legitimize_call_address): New function.
26591         (print_operand): Remove the %o prefix.  Handle the %p prefix.
26592         (output_call): New function.
26593         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
26594         target address from the GOT if symbolic jumps are not allowed.
26595         * config/m68k/m68k.md (call, general_operand): Do not set
26596         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
26597         Merge separate flag_pic and !flag_pic define_insns into...
26598         (*call, *call_value): ...these new patterns.  Match the address
26599         rather than the containing MEM and require it to be a call_operand.
26600         Use output_call to generate the asm template.
26601         * config/m68k/predicates.md (const_call_operand): New predicate.
26602         (call_operand): Likewise.
26603
26604 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
26605
26606         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
26607         (STACK_GROWS_DOWNWARD): Define to 1.
26608         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
26609         comments, emphasizing that these values are only defaults.
26610         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
26611         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
26612
26613 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26614
26615         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
26616
26617 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
26618             Richard Sandiford  <richard@codesourcery.com>
26619
26620         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
26621         (FP_REGNO_P): New macros.
26622         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
26623         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
26624         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
26625         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
26626
26627 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
26628
26629         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
26630         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
26631         to $tmake_file.
26632         * config/m68k/t-floatlib: New file, extracting common code from...
26633         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
26634         * config/m68k/t-uclinux: Here.
26635         * config/m68k/fpgnulib.c: Do not compile extendeed precision
26636         routines on ColdFire targets.
26637
26638 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
26639
26640         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
26641         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
26642         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
26643         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
26644         explicitly set MOTOROLA to 1.
26645         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
26646
26647 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26648             Nathan Sidwell  <nathan@codesourcery.com>
26649
26650         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
26651         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
26652         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
26653         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
26654         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
26655         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
26656         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
26657         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
26658         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
26659         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
26660         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
26661         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
26662         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
26663         (DBX_REGISTER_NUMBER): Delete.
26664         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
26665         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
26666         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
26667
26668 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26669
26670         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
26671         * config/flat.h: New file.
26672         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
26673         OBJECT_FORMAT_FLAT.
26674         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
26675         indirect references for -msep-data or -mid-shared-library.
26676         Do not use PC-relative code addresses either.
26677         * config/m68k/m68k.c (override_options): Restrict -fPIC error
26678         to -mpcrel.
26679         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
26680         for shared libraries and crt1.o for executables.  Use crti.o and
26681         crtbegin.o.
26682         (ENDFILE_SPEC): Use crtend.o and crtn.o.
26683         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
26684         Do not add -elf2flt or -shared-lib-id options here.
26685         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
26686         Pass -shared-lib-id if -mid-shared-library, taking the library
26687         identifier from -mshared-library-id if given, otherwise
26688         defaulting to 0.
26689         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
26690         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
26691         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
26692         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
26693         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
26694         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
26695         and crtend.o.
26696         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
26697         jump sequence for ISA A and ISA A+.
26698         (PICJUMP): Likewise.
26699
26700 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26701
26702         * config.gcc (m68k-*-uclinux*): Base the port on the common
26703         and m68k GNU/Linux files rather than on the generic ELF ones.
26704         * config/m68k/uclinux.h (TARGET_VERSION): Override.
26705         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
26706
26707 2007-01-18  Julian Brown  <julian@codesourcery.com>
26708             Richard Sandiford  <richard@codesourcery.com>
26709
26710         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
26711         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
26712         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
26713         before redefining.
26714         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
26715         80 unconditionally.
26716         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
26717
26718 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26719
26720         * doc/install.texi: Document m68k-uclinuxoldabi.
26721         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
26722         * config/m68k/uclinux-oldabi.h: New file, copied from
26723         config/m68k/uclinux.h.
26724
26725 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
26726
26727         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
26728         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
26729         (m32r_compute_frame_size): Use unsigned for regno.
26730         (m32r_reload_lr): Use gen_frame_mem.
26731         (pop): New.
26732         (m32r_output_function_epilogue): Don't output the function epilogue
26733         textually here.
26734         (m32r_expand_epilogue): New.
26735         (direct_return): Return false if the function has the interrupt
26736         attribute.
26737         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
26738         * config/m32r/m32r.md (epilogue): New expander.
26739         (return_lr, return_rte): New insns.
26740         (return): Make it expander.
26741         (return_normal): New expander.
26742
26743 2007-01-18  Josh Conner  <jconner@apple.com>
26744
26745         PR target/30485
26746         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
26747         support for UNLE, UNLT, UNGE, and UNGT.
26748
26749 2007-01-18  Jan Hubicka  <jh@suse.cz>
26750
26751         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
26752         * tree-tailcall (add_virtual_phis): Likewise.
26753         (optimize_tail_call): Return TODOs.
26754         (execute_tail_calls): Return TODOs.
26755         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
26756         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
26757         changed.
26758         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
26759         Cleanup cfg using TODO.
26760         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
26761         * passes.c (execute_function_todo): When cleanup did something, remove
26762         unused locals.
26763         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
26764         (make_edges): Don't cleanup_cfg.
26765
26766 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
26767
26768         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
26769         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
26770         operate on the top of stack.
26771         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
26772         register handling of instructions that output to the second
26773         stack slot.
26774         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
26775         (move_for_stack_reg): Special-case check for dead destination
26776         stack slot for constant load of 1.0 inside UNSPEC_TAN.
26777
26778         * config/i386/i386.md (UNSPEC_TAN): New constant.
26779         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
26780         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
26781         to correctly model move of constant 1.0 to top stack slot.
26782         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
26783         (unnamed peephole2 pattern): Remove corresponding peephole2
26784         pattern that optimizes tan insn and loading of constant 1.0.
26785         (tanxf2): Use fptanxf4_i387.
26786         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
26787         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
26788         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
26789         disable patterns for SSE math.
26790         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
26791         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
26792
26793 2007-01-18  Dirk Mueller  <dmueller@suse.de>
26794             Richard Guenther <rguenther@suse.de>
26795
26796         PR diagnostic/8268
26797         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
26798         * common.opt (Warray-bounds): Add new warning option.
26799         * c-opts.c (c_common_handle_option): Define -Warray-bounds
26800         if -Wall is given.
26801         * Makefile.in: make tree-vrp.o depend on toplev.h
26802         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
26803         is enabled.
26804         (check_array_refs, check_array_bounds, check_array_ref): New.
26805
26806 2007-01-18  Jan Hubicka  <jh@suse.cz>
26807
26808         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
26809         (execute_ssa_ccp): Return flags conditionally.
26810         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
26811         changed.
26812         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
26813
26814 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
26815
26816         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
26817         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
26818
26819         * Makefile.c (GTFILES): Add cfglayout.h.
26820         * gengtype.c (open_base_files): Likewise.
26821         * cfglayout.c (cfg_layout_function_footer,
26822         cfg_layout_function_header) Reindent to make gengtype happy.
26823         * cfglayout.h (cfg_layout_function_footer,
26824         cfg_layout_function_header): Add GTY(()) marker.
26825
26826         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
26827
26828 2007-01-18  Ben Elliston  <bje@au.ibm.com>
26829
26830         * genautomata.c (write_automata): Include xstrerror output in the
26831         error message if writing the DFA description file fails.
26832
26833 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
26834
26835         * config/mips/mips-protos.h (mips_output_external): Make it
26836         return void.
26837         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
26838         * config/mips/mips.c (irix_output_external_libcall): Likewise.
26839         (extern_list): Likewise.
26840         (extern_head): Likewise.
26841         (TARGET_ASM_FILE_END): Likewise.
26842         (mips_file_end): Likewise.
26843         (mips_output_external): Rewritten.
26844
26845 2007-01-18  Ben Elliston  <bje@au.ibm.com>
26846
26847         * genpreds.c (write_insn_preds_c): Only write out the function
26848         body for regclass_for_constraint if we have register constraints.
26849
26850 2007-01-17  Tom Tromey  <tromey@redhat.com>
26851
26852         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
26853         * doc/install.texi (Testing): Use sourceware.org.
26854         (Binaries): Likewise.
26855         (Specific): Likewise.
26856         * doc/contrib.texi (Contributors): Use sourceware.org.
26857
26858 2007-01-17  Anatoly Sokolov <aesok@post.ru>
26859
26860         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
26861         (AVR_ENHANCED): Rename to ...
26862         (AVR_HAVE_MUL): ... new.
26863         (avr_enhanced_p): Rename to ...
26864         (avr_have_mul_p): ... new.
26865         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
26866         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
26867         * config/avr/avr.c (avr_enhanced_p): Rename to ...
26868         (avr_have_mul_p): ... new.
26869         (base_arch_s): Rename 'enhanced' to 'have_mul'.
26870         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
26871         'avr_enhanced_p' and 'enhanced'.
26872         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
26873         AVR_HAVE_MUL instead of AVR_ENHANCED.
26874         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
26875         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
26876         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
26877         instead of AVR_ENHANCED.
26878         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
26879         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
26880         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
26881
26882 2007-01-17  Ian Lance Taylor  <iant@google.com>
26883
26884         * vec.h (VEC_reserve_exact): Define.
26885         (vec_gc_p_reserve_exact): Declare.
26886         (vec_gc_o_reserve_exact): Declare.
26887         (vec_heap_p_reserve_exact): Declare.
26888         (vec_heap_o_reserve_exact): Declare.
26889         (VEC_OP (T,A,reserve_exact)): New static inline function, three
26890         versions.
26891         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
26892         negative parameter.
26893         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
26894         (VEC_OP (T,A,copy)) [all versions]: Likewise.
26895         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
26896         * vec.c (calculate_allocation): Add exact parameter.  Change all
26897         callers.
26898         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
26899         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
26900         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
26901         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
26902         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
26903         (vec_heap_p_reserve_exact): New function.
26904         (vec_heap_o_reserve_exact): New function.
26905
26906 2007-01-17  Jan Hubicka  <jh@suse.cz>
26907
26908         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
26909
26910 2007-01-17  Eric Christopher  <echristo@apple.com>
26911
26912         * config.gcc: Support core2 processor.
26913
26914 2007-01-16  Jan Hubicka  <jh@suse.cz>
26915
26916         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
26917         the names, just unlink the chain so we don't crash on dangling
26918         pointers
26919         to dead SSA names.
26920
26921 2007-01-16  Jan Hubicka  <jh@suse.cz>
26922
26923         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
26924         * tree-pass.h: Reorder to make IPA passes appear toegher.
26925         (pass_early_inline, pass_inline_parameters, pass_apply_inline):
26926         Declare.
26927         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
26928         parameters, do not call early inliner.
26929         * ipa-inline.c: Update comments.  Include tree-flow.h
26930         (cgraph_decide_inlining): Do not compute inlining parameters.
26931         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
26932         be called with function context set up.
26933         (pass_ipa_inline): Remove unreachable functions before pass.
26934         (cgraph_early_inlining): Simplify assuming to be called from the
26935         PM as local pass.
26936         (pass_early_inline): New pass.
26937         (cgraph_gate_ipa_early_inlining): New gate.
26938         (pass_ipa_early_inline): Turn into simple wrapper.
26939         (compute_inline_parameters): New function.
26940         (gate_inline_passes): New gate.
26941         (pass_inline_parameters): New pass.
26942         (apply_inline): Move here from tree-optimize.c
26943         (pass_apply_inline): New pass.
26944         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
26945         transforming.
26946         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
26947         doing them by hand.
26948         (tree_function_versioning): Do not allocate dummy struct function.
26949         * tree-inline.h (optimize_inline_calls): Update prototype.
26950         * tree-optimize.c (execute_fixup_cfg): Export.
26951         (pass_fixup_cfg): Remove
26952         (tree_rest_of_compilation): Do not apply inlines.
26953         * tree-flow.h (execute_fixup_cfg): Declare.
26954         * Makefile.in (gt-passes.c): New.
26955         * passes.c: Include gt-passes.h
26956         (init_optimization_passes): New passes.
26957         (nnodes, order): New static vars.
26958         (do_per_function_toporder): New function.
26959         (execute_one_pass): Dump current pass here.
26960         (execute_ipa_pass_list): Don't dump current pass here.
26961
26962 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
26963
26964         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
26965         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
26966
26967 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
26968
26969         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
26970         (strong_alias): Define.
26971         (__gcc_qmul): Provide non-FMA for soft-float.
26972         (__gcc_qdiv): Same.
26973         (__gcc_qneg): New.
26974         (__gcc_qeq): New.
26975         (__gcc_qle): New.
26976         (__gcc_qge): New.
26977         (__gcc_qunord): New.
26978         (__gcc_stoq): New.
26979         (__gcc_dtoq): New.
26980         (__gcc_qtos): New.
26981         (__gcc_qtod): New.
26982         (__gcc_qtoi): New.
26983         (__gcc_qtou): New.
26984         (__gcc_itoq): New.
26985         (__gcc_utoq): New.
26986         (fmsub): New.
26987         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
26988         soft-float functions.
26989         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
26990         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
26991         about long double soft float.
26992
26993 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
26994             Tehila Meyzels  <tehila@il.ibm.com>
26995
26996         * tree-vectorizer.h (is_pattern_stmt_p): New.
26997         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
26998         formatting (tabs instead of spaces). Cleanup and clarify setting
26999         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
27000         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
27001         (vectorizable_type_demotion): Check that types are integral.
27002         (vectorizable_type_promotion): Likewise.
27003         (vectorizable_store): Fix typo.  Eliminate new-line at end of
27004         comments.
27005
27006 2007-01-16  Jan Hubicka  <jh@suse.cz>
27007
27008         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
27009         cgraph edges too.
27010
27011 2007-01-15  Eric Christopher  <echristo@apple.com>
27012
27013         * ifcvt.c: Include vec.h, vecprim.h.
27014         (check_cond_move_block): New argument regs.
27015         Reorganize. Add registers used to regs.
27016         (cond_move_process_if_block): Use regs set above as
27017         loop bounds.
27018
27019 2007-01-15  Eric Christopher  <echristo@apple.com>
27020
27021         * config/darwin.h: Update copyright.
27022         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
27023         (LINK_COMMAND_SPEC): Add -u.
27024         (LINK_SPEC): Fix umbrella for above.
27025
27026 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
27027
27028         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
27029         glibc CVS.
27030
27031 2007-01-15  Tom Tromey  <tromey@redhat.com>
27032
27033         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
27034         * doc/install.texi (Testing): Don't mention jacks.
27035         (Configuration): Document --enable-java-maintainer-mode.  Move
27036         --with-java-home to libgcj-specific section.  Document
27037         --with-ecj-jar.
27038         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
27039
27040 2007-01-15  Jan Hubicka  <jh@suse.cz>
27041
27042         * tree-ssa-dce.c (DCE_TODOs): New.
27043         (propagate_necessity): Return if something changed.
27044         (eliminate_unnecessary_stmts): Likewise.
27045         (perform_tree_ssa_dce): Return TODO flags when needed.
27046         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
27047
27048 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
27049
27050         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
27051         (fyl2x_extend<mode>xf3_i387): New insn pattern.
27052         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
27053         patterns using X87MODEF12 mode macro.  Extend operand 1
27054         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
27055         (log10<mode>2): Ditto.
27056         (log2<mode>2): Ditto.
27057         (log1p<mode>2): Ditto.
27058         (logb<mode>2): Ditto.
27059         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
27060         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
27061         (*fxtractxf3_i387): Rename from *fxtractxf3.
27062         (fxtract_extend<mode>xf3_i387): New insn pattern.
27063         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
27064         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
27065         and gen_fyl2xxf3_i387().
27066
27067 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
27068
27069         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
27070         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
27071         get_loop_exit_edges.  Changed return type to bool.
27072         * cfgloop.h (fix_loop_placement): Declaration removed.
27073
27074 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
27075
27076         * param.h (MIN_VECT_LOOP_BOUND): New.
27077         * params.def (MIN_VECT_LOOP_BOUND): New.
27078         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
27079         argument - minimum threshold for number of iterations.
27080         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
27081         argument to declaration.
27082         * tree-vect-analyze.c (vect_analyze_operations): Check value of
27083         MIN_VECT_LOOP_BOUND.
27084         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
27085         slpeel_tree_peel_loop_to_edge with additional argument.
27086         (vect_do_peeling_for_alignment): Likewise.
27087         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
27088
27089 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
27090
27091         PR target/30413
27092         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
27093         operands of size 1.
27094
27095 2007-01-14  Jan Hubicka  <jh@suse.cz>
27096
27097         * tree-dfa.c (remove_referenced_var): New function.
27098         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
27099         prune referenced vars list too.
27100         * tree-flow.h (remove_referenced_var): Declare.
27101
27102 2007-01-14  Jan Hubicka  <jh@suse.cz>
27103
27104         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
27105         separately.
27106         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
27107         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
27108         * except.h (verify_eh_throw_table_statements): Kill prototype.
27109         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
27110         into call exrepssions.
27111         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
27112         eh trhow verifier.
27113         * tree-cfg.c: Include pointer-set.h.
27114         (verify_node_sharing): Work on pointer set.
27115         (verify_eh_throw_stmt_node): New.
27116         (verify_stmts): Use pointers sets, verify throw_stmt.
27117
27118 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
27119
27120         * ipa-reference.c (analyze_function): Consider also addresses taken
27121         in phi nodes.
27122
27123 2007-01-12  Roger Sayle  <roger@eyesopen.com>
27124
27125         * c-typeck.c (null_pointer_constant_p): Replace use of
27126         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
27127         (build_c_cast): Likewise.
27128
27129 2007-01-12  Roger Sayle  <roger@eyesopen.com>
27130
27131         * tree.h (force_fit_type_double): Remove unused final argument.
27132         * c-common.c (constant_expression_warning): Replace use of
27133         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
27134         (convert_and_check): Likewise.
27135         (shorten_compare): Update call to force_fit_type_double.
27136         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
27137         * convert.c (convert_to_pointer): Update call to
27138         force_fit_type_double.
27139         * fold-const.c (force_fit_type_double): Remove overflowed_const
27140         argument.
27141         (int_const_binop, fold_convert_const_int_from_int,
27142         fold_convert_const_int_from_real, fold_div_compare,
27143         fold_sign_changed_comparison, fold_unary, fold_negate_const,
27144         fold_abs_const, fold_not_const): Remove the final argument from
27145         calls to force_fit_type_double.
27146
27147 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
27148
27149         * configure.ac: Set insn to "nop" for spu-*-* also.
27150         * configure: Regenerate.
27151
27152 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
27153
27154         * builtins.def : Add BUILT_IN_FREE.
27155
27156 2007-01-12  Jan Hubicka  <jh@suse.cz>
27157
27158         PR tree-optimization/30443
27159         * tree-inline.c (tree_function_versioning): Do not optimize when
27160         cloning for inlining.
27161
27162 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
27163
27164         * doc/loop.texi: Document recording of loop exits.
27165         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
27166         (update_single_exits_after_duplication,
27167         update_single_exit_for_duplicated_loop,
27168         update_single_exit_for_duplicated_loops): Removed.
27169         (duplicate_loop_to_header_edge): Do not call
27170         update_single_exits_after_duplication and
27171         update_single_exit_for_duplicated_loops.
27172         (loop_version): Do not update single_exit information.
27173         (fix_loop_structure): Use record_loop_exits instead of
27174         mark_single_exit_loops.
27175         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
27176         the lists of loop exits.
27177         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
27178         split_edge, merge_blocks): Update the lists of loop exits.
27179         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
27180         loop_optimizer_init.
27181         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
27182         of mark_single_exit_loops.
27183         (loop_optimizer_finalize): Call release_recorded_exits.
27184         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
27185         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
27186         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
27187         update single exit information.
27188         * lambda-code.c (perfect_nestify): Ditto.
27189         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
27190         (mark_single_exit_loops): Removed.
27191         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
27192         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
27193         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
27194         functions.
27195         (get_loop_exit_edges, single_exit): Use recorded exit lists.
27196         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
27197         (verify_loop_structure): Verify consistency of the exit lists.
27198         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
27199         (set_single_exit): Removed.
27200         * cfgloop.h (struct loop_exit): New function.
27201         (struct loop): single_exit_ field replaced by exits field.
27202         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by
27203         LOOPS_HAVE_RECORDED_EXITS.
27204         (struct loops): Added exits hash.
27205         (mark_single_exit_loops, set_single_exit): Declaration removed.
27206         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
27207
27208 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27209
27210         * doc/invoke.texi: Avoid use of @headitem.
27211
27212 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27213
27214         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
27215
27216 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27217
27218         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
27219         list of targets.
27220
27221 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
27222             Richard Sandiford  <richard@codesourcery.com>
27223
27224         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
27225         * config/m68k/m68k.opt: Resort options.
27226         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
27227
27228 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
27229             Richard Sandiford  <richard@codesourcery.com>
27230
27231         * doc/invoke.texi: Document the macros that are defined by
27232         m68k's -mtune and -mhard-float options.
27233         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
27234         (m68k_cpp_cpu_family): Likewise.
27235         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
27236         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
27237         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
27238         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
27239         (m68k_cpp_cpu_family): Likewise.
27240
27241 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27242
27243         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
27244         macros besides mc68000 as tuning macros.  Use a switch statement
27245         to set them and mcpu32.
27246
27247 2007-01-12  Julian Brown  <julian@codesourcery.com>
27248
27249         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
27250         (TARGET_68040_ONLY): Rename to...
27251         (TARGET_68040): ...this.
27252         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
27253         * config/m68k/m68k.md: Likewise.
27254
27255 2007-01-12  Julian Brown  <julian@codesourcery.com>
27256             Nathan Sidwell  <nathan@codesourcery.com>
27257             Richard Sandiford  <richard@codesourcery.com>
27258
27259         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
27260         the -mcpu= argument associated with the --with-cpu setting.
27261         Define M68K_DEFAULT_TUNE to the default -mtune= option,
27262         if different from the one implied by the -mcpu setting.
27263         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
27264         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
27265         * doc/invoke.texi: Mention ColdFire in the introduction to the
27266         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
27267         -mno-div and -mhard-float options.  Make -m68881 a synonym for
27268         -mhard-float.  Document the previously-undocumented -m5206e,
27269         -m528x, -m5307 and -m5407 options.  Tweak the existing option
27270         documentation for consistency.
27271         * doc/install.texi: Mention new --with-cpu arguments.
27272         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
27273         default CPU if neither -mcpu nor -march are specified.
27274         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
27275         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
27276         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
27277         using m68k_tune to decide between families that implement the
27278         same ISA.  Use m68k_tune to set __mcfv4e__.
27279         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
27280         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
27281         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
27282         (FL_ISA_C, FL_ISA_MMU): New macros.
27283         (MASK_COLDFIRE): Delete.
27284         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
27285         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
27286         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
27287         (TARGET_HARD_FLOAT): Do not define here.
27288         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
27289         (TUNE_68000): New macro.
27290         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
27291         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
27292         (TUNE_CFV2): Redefine in terms of m68k_tune.
27293         (uarch_type, target_device, fpu_type): New enums.
27294         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
27295         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
27296         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
27297         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
27298         (FL_FOR_isa_c): New macros.
27299         (m68k_isa): New enum.
27300         (m68k_target_selection): New structure.
27301         (all_devices, all_isas, all_microarchs): New tables.
27302         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
27303         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
27304         (MASK_ALL_CPU_BITS): Delete.
27305         (m68k_find_selection): New function.
27306         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
27307         Map the legacy target options to a combination of the new ones.
27308         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
27309         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
27310         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
27311         settings.
27312         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
27313         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
27314         properties.
27315         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
27316         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
27317         * config/m68k/m68k-devices.def: New file.
27318
27319 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27320             Nathan Sidwell  <nathan@codesourcery.com>
27321
27322         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
27323         (SUBTARGET_EXTRA_SPECS): New macros.
27324         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
27325         use %(asm_cpu_spec) instead.
27326         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
27327         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
27328         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
27329         (EXTRA_SPECS): Rename to...
27330         (SUBTARGET_EXTRA_SPECS): ...this.
27331
27332 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
27333             Richard Sandiford  <richard@codesourcery.com>
27334             Julian Brown  <julian@codesourcery.com>
27335
27336         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
27337         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
27338         to the configuration's default CPU.
27339         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
27340         Remove default masks.
27341         (m680[012]0-*-*): Set the default with_cpu to the first part of
27342         the target name.
27343         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
27344         (m68k*-*-linux): Extend the --with-cpu handling to...
27345         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
27346         and m68010.  Don't set target_cpu_default2.
27347         * doc/install.texi: Document --with-cpu for m68k.
27348         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
27349         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
27350         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
27351         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
27352         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
27353         (ASM_SPEC): Remove use of %(asm_cpu_default).
27354         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
27355         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
27356         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
27357         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
27358         __HAVE_FPU__ if TARGET_HARD_FLOAT.
27359         (TARGET_DEFAULT): Delete.
27360         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
27361         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
27362         (CPP_CPU_SPEC): Delete.
27363         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
27364         the appropriate string.
27365         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
27366         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
27367         (ASM_SPEC): Don't use %(asm_default_spec).
27368         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
27369         TARGET_DEFAULT and add MASK_68881.
27370         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
27371
27372 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27373
27374         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
27375         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
27376         MASK_68010 alongside MASK_68020.
27377         * doc/invoke.texi: Document -m68010.
27378         * config/m68k/m68k.opt (m68010): New.
27379         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
27380         if TUNE_68010.
27381         (TUNE_68010): New macro.
27382         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
27383         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
27384         (M68K_CPU_m68332): Add MASK_68010.
27385         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
27386         fallback definition.
27387         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
27388         defines.
27389         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
27390         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
27391         to all entries that use MASK_68020.
27392         (output_move_simode_const, output_move_himode, output_move_qimode)
27393         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
27394         instead of TARGET_68020 to select clr behavior.  Remove comment
27395         about there being no TARGET_68010.
27396         * config/m68k/m68k.md: Likewise throughout.
27397
27398 2007-01-12  Julian Brown  <julian@codesourcery.com>
27399
27400         * config/m68k/m68k.h (TARGET_ISAB): New macro.
27401         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
27402         * config/m68k/m68k.md: Likewise.
27403
27404 2007-01-12  Julian Brown  <julian@codesourcery.com>
27405
27406         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
27407         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
27408
27409 2007-01-12  Julian Brown  <julian@codesourcery.com>
27410
27411         * config/m68k/m68k.h (TUNE_68040_60): New macro.
27412         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
27413         * config/m68k/m68k.md: Likewise.
27414
27415 2007-01-12  Julian Brown  <julian@codesourcery.com>
27416             Richard Sandiford  <richard@codesourcery.com>
27417
27418         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
27419         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
27420         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
27421         TARGET_CPU32.
27422         (TARGET_CPU32): Rename to...
27423         (TUNE_CPU32): ...this.
27424         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
27425         (TUNE_CFV2): New macros.
27426         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
27427         remove conditions that are implied by TARGET_68020.
27428         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
27429         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
27430         (m68k_output_function_epilogue): Likewise.
27431         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
27432         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
27433         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
27434         non-68000 timings.  Refactor multiplication and division costs.
27435         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
27436         TUNE_CPU32 instead of TARGET_CPU32.
27437         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
27438         and TUNE_68060 instead of TARGET_68060.
27439         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
27440         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
27441         TARGET_CPU32.
27442         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
27443         && !TARGET_COLDFIRE" to choose between moveq and clr.
27444         Likewise in the unnamed movsf pattern.
27445         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
27446         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
27447         ashiftrt pattern.
27448
27449 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27450
27451         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
27452         of tabbing before backslashes.
27453
27454 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
27455
27456         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
27457         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
27458         (ASM_OUTPUT_INTERNAL_LABEL): Define.
27459
27460 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
27461
27462         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
27463         find_interesting_uses_cond.
27464         (find_interesting_uses_cond): Use extract_cond_operands.
27465         (rewrite_use_compare): Use extract_cond_operands and
27466         force_gimple_operand_bsi.  Do not call update_stmt.
27467         (determine_use_iv_cost_condition): Use extract_cond_operands.
27468         Return cheaper of using original bound and changing the exit bound.
27469
27470 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
27471
27472         PR tree-optimization/29516
27473         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
27474         most_expensive_mult_to_index, addr_to_parts,
27475         create_mem_ref, maybe_fold_tmr): Make the type of
27476         fields of TARGET_MEM_REF sizetype.
27477         (move_fixed_address_to_symbol, move_pointer_to_base):
27478         New functions.
27479         * tree.def (TARGET_MEM_REF): Add comment on types of
27480         the operands.
27481
27482 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
27483
27484         * c-common.c (vector_types_convertible_p): Treat opaque types as
27485         always convertible if they have the same size, but not otherwise.
27486
27487 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
27488
27489         * ifcvt.c (struct noce_if_info): Add comments to the fields.
27490         Remove the b_unconditional field.
27491         (noce_try_sign_mask): Do not look at b_unconditional.
27492         (noce_process_if_block): Do not use merge_if_blocks.  Update
27493         the CFG here.  Do not set b_unconditional.
27494         (cond_move_process_if_block): Likewise.
27495         (find_cond_trap): Likewise.
27496         (check_cond_move_block): Require simple jump insns at the end
27497         of the basic block.
27498
27499 2007-01-11  Jan Hubicka  <jh@suse.cz>
27500
27501         PR tree-optimization/1046
27502         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
27503         when alias info is not ready.
27504         (pass_tail_recursion): Do not require aliasing.
27505         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
27506         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
27507         * tree-ssa-copy.c (pass_copy_prop): Likewise.
27508         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
27509         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
27510         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
27511         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
27512         before inlining.
27513         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
27514         When aliasing is not build, mark statement as volatile.
27515
27516 2007-01-11  Tom Tromey  <tromey@redhat.com>
27517
27518         PR preprocessor/15185, PR preprocessor/20989:
27519         * doc/cppopts.texi <-MT>: Update description of algorithm for
27520         computing default target.
27521         <-M, -MD>: Reword "basename" text.
27522
27523 2007-01-11  Roger Sayle  <roger@eyesopen.com>
27524
27525         * builtins.c (expand_builtin_pow, expand_builtin_powi,
27526         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
27527         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
27528         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
27529         fold_builtin_bswap, real_constp, fold_builtin_pow,
27530         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
27531         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
27532         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
27533         * convert.c (convert_to_pointer): Likewise.
27534         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
27535         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
27536         const_binop, fold_convert_const_int_from_int,
27537         fold_convert_const_int_from_real,
27538         fold_convert_const_real_from_real, sign_bit_p,
27539         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
27540         fold_sign_changed_comparison, fold_unary, fold_comparison,
27541         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
27542         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
27543         * print-tree.c (print_node_brief, print_node): Likewise.
27544         * stor-layout.c (place_field, layout_type): Likewise.
27545         * tree-chrec.c (keep_cast): Likewise.
27546         * tree.c (build_vector, build_real, build_real_from_int_cst,
27547         build_complex): Likewise.
27548
27549 2007-01-11  Roger Sayle  <roger@eyesopen.com>
27550
27551         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
27552         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
27553
27554 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
27555
27556         * configure.ac (strict1_warn): Rename to strict_warn.
27557         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
27558         cc_set_by_configure, quoted_cc_set_by_configure,
27559         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
27560         all_boot_languages, all_stagestuff): Remove.
27561         (target_list): Remove bootstrap targets.
27562         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
27563         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
27564         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
27565         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
27566         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
27567         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
27568         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
27569         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
27570         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
27571         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
27572         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
27573         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
27574         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
27575         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
27576         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
27577         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
27578         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
27579         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
27580         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
27581         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
27582         (mostlyclean): Adjust.
27583         (clean, distclean): Don't mention bootstrap stuff.
27584         * configure: Regenerate.
27585         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
27586         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
27587         treelang/config-lang.in (stagestuff): Remove.
27588         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
27589         stageprofile, stagefeedback, stagestuff): Remove mention.
27590
27591 2007-01-11  Nick Clifton  <nickc@redhat.com>
27592
27593         * config/mcore/predicates.md (mcore_general_movesrc_operand):
27594         Accept CONSTs.
27595         (mcore_general_movdst_operand): Do not accept CONST_INTs.
27596         (mcore_arith_K_S_operand): Run the test for the S constraint not
27597         the test for the M constraint.
27598         (mcore_addsub_operand): Do not accept integer values that are
27599         larger than 32 bits.
27600         * config/mcore/mcore.md: Remove unused constraints from split.
27601         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
27602         (addsi3): Likewise.
27603         (allocate_stack): Likewise.
27604         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
27605         operands to 32 bits.
27606         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
27607         INTVAL.
27608         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
27609         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
27610         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
27611         mcore_output_bclri, mcore_output_andn, output_inline_const,
27612         mcore_output_move, mcore_output_movedouble): Likewise.
27613         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
27614         (output_inline_const): Likewise.
27615         (output_inline_const): Fix format strings used in sprintf
27616         statements.
27617         * config/mcore/mcore-protos.h: Update prototypes for changed
27618         functions in mcore.c.
27619         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
27620         HOST_WIDE_INT and not int.
27621         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
27622         CONST_OK_FOR_N): Likewise.
27623         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
27624         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
27625         an INTVAL.
27626
27627 2007-01-10  Jan Hubicka  <jh@suse.cz>
27628
27629         * tree-vrp.c (remove_range_assertions): Release defs.
27630         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
27631         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
27632
27633 2007-01-10  Paul Brook  <paul@codesourcery.com>
27634
27635         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
27636         * config/arm/arm.md (mulsi3subsi): New insn.
27637
27638 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
27639
27640         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
27641         (tree_transform_and_unroll_loop): New.
27642         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
27643         Declare.
27644
27645 2007-01-10  Robert Kennedy <jimbob@google.com>
27646
27647         * fold-const.c (fold_comparison): Fold comparisons like (x *
27648         1000 < 0) to (x < 0).
27649
27650 2007-01-10  Ian Lance Taylor  <iant@google.com>
27651
27652         * tree-pretty-print.c (dump_generic_node): Print parentheses when
27653         operands have the same priority.
27654
27655 2007-01-10  Tom Tromey  <tromey@redhat.com>
27656
27657         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
27658         (fold_binary): Likewise.
27659         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
27660         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
27661         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
27662         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
27663         * langhooks.h (struct lang_hooks): Removed field
27664         'can_use_bit_fields_p'.
27665
27666 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
27667
27668         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
27669
27670 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
27671
27672         * function.c (get_last_funcdef_no): New function.
27673         * function.h (get_last_funcdef_no): Declare.
27674         * tree-inline.c (initialize_cfun): Add initialization.
27675         (tree_function_versioning): Cleanup.
27676
27677 2007-01-10  Jan Hubicka  <jh@suse.cz>
27678
27679         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
27680         PHIs.
27681
27682 2007-01-10  Sa Liu  <saliu@de.ibm.com>
27683             Ben Elliston  <bje@au.ibm.com>
27684
27685         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
27686         for SAVE_NONLOCAL and Pmode for any other save level.
27687         * spu-protos.h (spu_restore_stack_block): Declare.
27688         * spu.md (save_stack_block): Remove.
27689         (restore_stack_block): Call spu_restore_stack_block.
27690         * spu.c (spu_restore_stack_block): New function.
27691         (spu_expand_epilogue): Remove old comment.
27692
27693 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
27694
27695         PR tree-optimization/30322
27696         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
27697         (cand_value_at): Return the value as aff_tree.
27698         (may_eliminate_iv): Convert the bound from aff_tree to tree.
27699         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
27700         aff_combination_mult): New functions.
27701         (aff_combination_add): Use aff_combination_add_cst.
27702         (aff_combination_convert): Allow conversions to a wider type.
27703         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
27704         * tree-affine.h (aff_combination_mult): Declare.
27705
27706 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
27707
27708         * doc/tm.texi: Update documentation to reflect reality of exec
27709         and start file search behaviours. Update copyright year.
27710         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
27711         header file directories.
27712
27713 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
27714
27715         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
27716         (*cosxf2): Rename to cosxf2_i387.
27717         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
27718         using X87MODEF12 mode macro. Rename patterns to
27719         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
27720         for SSE math.
27721         (*cosdf2, *cossf2): Ditto.
27722         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
27723         to match extended input operands.
27724         (sincos<mode>3): New expander.
27725         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
27726         insn patterns and corresponding splitters.
27727
27728 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
27729
27730         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
27731         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
27732
27733 2007-01-09  Nicolas Pitre  <nico@cam.org>
27734
27735         PR target/30173
27736         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
27737
27738 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
27739
27740         * target.h (struct gcc_target): New field library_rtti_comdat.
27741         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
27742         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
27743         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
27744         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
27745
27746 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
27747
27748         * doc/invoke.texi (Optimize Options): Correct description of -O0.
27749
27750 2007-01-08  Richard Guenther  <rguenther@suse.de>
27751
27752         * tree.h (force_fit_type_double): Export.
27753         (force_fit_type): Remove.
27754         * fold-const.c (force_fit_type_double): New function.
27755         (force_fit_type): Remove.
27756         (int_const_binop): Use it.
27757         (fold_convert_const_int_from_int): Likewise.
27758         (fold_convert_const_int_from_real): Likewise.
27759         (fold_div_compare): Likewise.
27760         (fold_sign_changed_comparison): Likewise.
27761         (fold_unary): Likewise.
27762         (fold_negate_const): Likewise.
27763         (fold_abs_const): Likewise.
27764         (fold_not_const): Likewise.
27765         * c-common.c (shorten_compare): Use force_fit_type_double.
27766         * convert.c (convert_to_pointer): Likewise.
27767
27768 2007-01-08  Richard Guenther  <rguenther@suse.de>
27769
27770         * tree.h (build_int_cst_wide_type): Export.
27771         * tree.c (build_int_cst_wide_type): New function.
27772         (build_int_cst_wide): Fix comment.
27773         * builtins.c (fold_builtin_object_size): Use build_int_cst
27774         to build -1 or 0 of the correct type.  Use fit_double_type
27775         to check for overflow.
27776         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
27777         to build the mask.
27778         (decode_field_reference): Likewise.
27779         (all_ones_mask_p): Likewise.
27780         (native_interpret_int): Use build_int_cst_wide_type.
27781         (fold_binary): Use build_int_cst_type to build an all-ones
27782         value.
27783         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
27784
27785 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
27786
27787         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
27788
27789 2007-01-09  Ben Elliston  <bje@au.ibm.com>
27790
27791         * genautomata.c (STATS_OPTION): New option.
27792         (stats_flag): New flag.
27793         (gen_automata_option): Handle it.
27794         (initiate_automaton_gen): Ditto.
27795         (write_automata): Output statistics only if stats_flag is
27796         set. Likewise, output time statistics only if time_flag is set.
27797         * doc/md.texi (Processor pipeline description): Document new flag.
27798
27799 2007-01-08  Richard Guenther  <rguenther@suse.de>
27800
27801         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
27802         * tree.c (build_int_cst_type): Likewise.
27803         (size_in_bytes): Don't call force_fit_type on the result.
27804         (int_fits_type_p): Use fit_double_type.
27805         * fold-const.c (fit_double_type): New function.
27806         (force_fit_type): Use it.
27807         * tree.h (fit_double_type): Export.
27808
27809 2007-01-08  Jan Hubicka  <jh@suse.cz>
27810
27811         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
27812         * ipa.c (function_and_variable_visibility): Fix return type.
27813
27814 2007-01-08  Richard Guenther  <rguenther@suse.de>
27815
27816         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
27817         of offset to build the index.
27818         * tree-pretty-print.c (dump_generic_node): Don't build negated
27819         const just for printing.
27820         * c-pretty-print.c (pp_c_integer_constant): Likewise.
27821         * builtins.c (fold_builtin_int_roundingfn): Check if result
27822         fits the type by using force_fit_type and comparing the result.
27823         * predict.c (predict_loops): Use compare_tree_int for comparison.
27824         * tree.c (build_int_cst): Fall back to integer_type_node for
27825         NULL_TREE type.
27826         (build_int_cst_wide): Assert type is non-null.
27827
27828 2007-01-08  Roberto Costa  <roberto.costa@st.com>
27829
27830         * tree-vrp.c (extract_range_from_cond_expr): New.
27831         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
27832         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
27833         as expressions.
27834         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
27835         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
27836         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
27837         used as expressions.
27838         * tree-object-size.c (cond_expr_object_size): New.
27839         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
27840
27841 2007-01-08  Jan Hubicka  <jh@suse.cz>
27842
27843         * tree-ssa-forwprop.c (forward_propagate_into_cond,
27844         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
27845         statement.
27846
27847 2007-01-08  Richard Guenther  <rguenther@suse.de>
27848
27849         PR tree-optimization/23603
27850         * tree-vrp.c (set_value_range_to_truthvalue): New function.
27851         (extract_range_from_binary): Fall back to truthvalue instead of
27852         varying for TRUTH_*_EXPR.
27853         (extract_range_from_comparison): Fall back to truthvalue instead of
27854         varying.
27855         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
27856         if all visited PHI values were constant.
27857
27858 2007-01-08  Jan Hubicka  <jh@suse.cz>
27859
27860         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
27861         (cgraph_analyze_function): break out from ...
27862         (cgraph_finalize_compilation_unit): ... here.
27863         (cgraph_expand_function): Remove forgoten commented out line.
27864         (cgraph_optimize): Analyze functions.
27865
27866 2007-01-08  Jan Hubicka  <jh@suse.cz>
27867
27868         * tree-pas.h (TODO_remove_function): New flag.
27869         (TODO_update*): Renumber.
27870         (pass_ipa_increase_alignment,
27871         pass_ipa_function_and_variable_visibility): New passes.
27872         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
27873         (cgraph_function_and_variable_visibility): Move to ipa.c
27874         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
27875         cgraph_increase_alignment.
27876         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
27877         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
27878         calling tree-inline.
27879         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
27880         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
27881         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
27882         (gate_increase_alignment): New function.
27883         (pass_ipa_increase_alignment): New pass.
27884         * ipa.c: Inline tree-pass.h and timevar.h
27885         (function_and_variable_visibility): Move here from cgraphunit.c
27886         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
27887         * passes.c (init_optimization_passes): Add the two new passes.
27888         (execute_todo): Handle cgraph_remove_functions.
27889
27890 2007-01-08  Nick Clifton  <nickc@redhat.com>
27891
27892         * config/frv/predicates.md (reg_or_0_operand): Accept
27893         CONST_DOUBLEs.
27894
27895 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
27896
27897         * config/bfin/rtems.h, config/bfin/t-rtems: New.
27898         * config.gcc: Add bfin*-rtems*.
27899
27900 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
27901
27902         * c.opt: Add -flax-vector-conversions.
27903         * c-typeck.c (convert_for_assignment): Pass flag to
27904         vector_types_convertible_p to allow emission of note.
27905         (digest_init): Likewise.
27906         * c-opts.c: Handle -flax-vector-conversions.
27907         * c-common.c (flag_lax_vector_conversions): New.
27908         (vector_types_convertible_p): Unless -flax-vector conversions
27909         has been passed, disallow conversions between vectors with
27910         differing numbers of subparts and/or element types.  If such
27911         a conversion is disallowed, possibly emit a note on the first
27912         occasion only to inform the user of -flax-vector-conversions.
27913         The new last argument specifies this.
27914         * c-common.h (flag_lax_vector_conversions): New.
27915         (vector_types_convertible_p): Add extra argument.
27916         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
27917         char_type_node for V*QI type vectors.
27918         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
27919         Update to satisfy new typechecking rules.
27920         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
27921         C and C++ variants.
27922         * doc/invoke.texi (C Dialect Options): Document
27923         -flax-vector-conversions.
27924
27925 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
27926
27927         PR tree-optimization/29877
27928         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
27929         a register variable on the RHS to not be replaceable.
27930
27931 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
27932         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
27933         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
27934         const_simm15, const_pow2, const_npow2): Added.
27935         * config/score/misc.md (insv, extv, extzv, movmemsi,
27936         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
27937         * config/score/score.c (score_address_cost, score_select_cc_mode):
27938         Added.
27939         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
27940         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
27941         Update score_print_operand.
27942         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
27943         Adjust register allocate order and update some macro define.
27944         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
27945         mdx_block_move_straight, mdx_block_move_loop_head,
27946         mdx_block_move_loop_body, mdx_block_move_loop_foot,
27947         mdx_block_move_loop, mdx_block_move): Added.
27948         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
27949         mdp_limm): Updated and fix some bug and typo.
27950         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
27951         (movsf, movdf, doloop_end): Added.
27952
27953 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
27954
27955         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
27956         config/arm/thumb2.md: Fix comment typos.
27957         * doc/extend.texi: Fix a typo.
27958
27959 2007-01-07  Eric Christopher  <echristo@apple.com>
27960
27961         * configure.ac: Check for __stack_chk_fail for darwin.
27962         * configure: Regenerate.
27963
27964 2007-01-07  Richard Guenther  <rguenther@suse.de>
27965
27966         * tree-vrp.c (extract_range_from_assert): CSE calls to
27967         compare_values where possible.
27968         (extract_range_from_unary_expr): Likewise.
27969
27970 2007-01-07  Anatoly Sokolov <aesok@post.ru>
27971
27972         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
27973         * config/avr/avr.c (call_insn_operand): Delete function.
27974         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
27975         instead of register number. Use predicates.
27976         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
27977         call_insn_operand): Add.
27978
27979 2007-01-06  Jan Hubicka  <jh@suse.cz>
27980
27981         * tree-pass.h (pass_build_cgraph_edges): Declare.
27982         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
27983         (visited_nodes): Remove.
27984         (cgraph_create_edges): Move to cgraphbuild.c; rename to
27985         build_cgrpah_edges; make visited_nodes local.
27986         (cgraph_process_new_functions): DO not call initialize_inline_failed.
27987         (record_references_in_initializer): Move to cgraphbuild.c
27988         (initialize_inline_failed, rebuild_cgraph_edges,
27989         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
27990         (verify_cgraph_node): Make visited_nodes local.
27991         (cgraph_analyze_function): Do not call cgraph_create_edges and
27992         initialize_inline_failed.
27993         (cgraph_expand_function): Do not call cgraph_lower_function;
27994         assert that function is already lowered.
27995         * Makefile.in (cgraphbuild.o): New.
27996         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
27997         at the end of lowering passes.
27998
27999 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
28000
28001         * ifcvt.c (cond_move_convert_if_block): New function, code
28002         factored out from...
28003         (cond_move_process_if_block): ...here.  Call the new function
28004         on the THEN and ELSE blocks.
28005         (merge_if_block): Do not copy global_live_at_end, merge_blocks
28006         already takes care of this.
28007
28008 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
28009
28010         PR c/19978
28011         * tree.h (TREE_OVERFLOW_P): New.
28012         * c-typeck.c (parser_build_unary_op): Warn only if result
28013         overflowed and operands did not.
28014         (parser_build_binary_op): Likewise.
28015         (convert_for_assignment): Remove redundant overflow_warning.
28016         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
28017
28018 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
28019
28020         * c-typeck.c (store_init_value): Split over two lines to follow
28021         the GNU coding style.
28022
28023 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
28024
28025         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
28026         __GXX_EXPERIMENTAL_CXX0X__.
28027         * doc/cpp.texi: Same.
28028
28029 2007-01-05  Richard Guenther  <rguenther@suse.de>
28030
28031         PR middle-end/27826
28032         * tree.c (get_narrower): Do not construct COMPONENT_REFs
28033         with mismatched types.  Instead explicitly build a
28034         conversion NOP_EXPR.
28035
28036 2007-01-05  Ian Lance Taylor  <iant@google.com>
28037
28038         * c-common.c (decl_with_nonnull_addr_p): New function.
28039         (c_common_truthvalue_conversion): Call it.
28040         * c-typeck.c (build_binary_op): Likewise.
28041         * c-common.h (decl_with_nonnull_addr_p): Declare.
28042
28043 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
28044
28045         PR c/30360
28046         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
28047         denom against 0.0.
28048
28049 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
28050
28051         * doc/install.texi (Final install): Document the fact that
28052         the GNAT runtime should not be stripped.
28053
28054 2007-01-04  Jan Hubicka  <jh@suse.cz>
28055
28056         * tree-inline.c (fold_marked_statements): Update operand caches
28057         and EH after folding
28058
28059 2007-01-04  Ian Lance Taylor  <iant@google.com>
28060
28061         * c-common.c (check_function_nonnull): Whitespace fix.
28062
28063 2007-01-04  Jan Hubicka  <jh@suse.cz>
28064
28065         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
28066         comitted older version of patch.
28067         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
28068         function, celanup cfg and collect garbage.
28069
28070 2007-01-04  Mike Stump  <mrs@apple.com>
28071
28072         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
28073         (clean): Likewise.
28074
28075 2007-01-04  Eric Christopher  <echristo@apple.com>
28076
28077         * libgcc2.c (__bswapsi2): Use SItype.
28078         (__bswapdi2): Use DItype.
28079         * libgcc2.h: Update for above.
28080
28081 2007-01-04  Paul Brook  <paul@codesourcery.com>
28082
28083         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
28084         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
28085         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
28086         umulsidi3, umulsidi3adddi, smulsi3_highpart,
28087         umulsi3_highpart): Make conditional on !arm_arch6.
28088         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
28089         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
28090         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
28091         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
28092         umulsi3_highpart_v6): New insns.
28093
28094 2007-01-04  Roger Sayle  <roger@eyesopen.com>
28095
28096         * fold-const.c (fold_convert): When casting an expression to void,
28097         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
28098         have a type.  Instead of attempting to build a NOP_EXPR, return
28099         these "special" trees directly.
28100
28101 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
28102
28103         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
28104         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
28105         rs6000_cost->fp not 0 as adjustment for outer NEG.
28106
28107 2007-01-04  Jan Hubicka  <jh@suse.cz>
28108
28109         * cgraph.c (cgraph_release_function_body): New function.
28110         (cgraph_remove_node): Use it.
28111         * cgraph.h (cgraph_release_function_body): Declare.
28112         * cgraphunit.c (cgraph_expand_function): Use it.
28113         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
28114         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
28115         is initialized and while compilation of other function is running.
28116         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
28117         statement CFG annotations from here to ...
28118         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
28119
28120 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
28121
28122         * cfgloop.h (enum li_flags): Make the constants powers of two.
28123
28124 2007-01-04  Jan Hubicka  <jh@suse.cz>
28125
28126         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
28127         set.
28128         (fold_marked_statements): New function.
28129         (optimize_inline_calls, tree_function_versioning): Fold new statements.
28130         * tree-inline.h (copy_body_data): Add statements_to_fold.
28131
28132 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
28133
28134         * config.gcc: Mention libgcc/config.host.
28135         * Makefile.in: Update comments mentioning libgcc.
28136         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
28137         (all.cross, start.encap, rest.encap, rest.cross): Update
28138         dependencies for libgcc move.
28139         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
28140         (clean-target, clean-target-libgcc): Delete.
28141         (srcdirify, GCC_EXTRA_PARTS): New macros.
28142         (libgcc-support, libgcc.mvars): New rules.
28143         (distclean): Remove mention of mklibgcc.
28144         (install): Don't reference INSTALL_LIBGCC.
28145         (install-common): Don't reference EXTRA_PARTS.
28146         (install-libgcc, install-multilib): Delete rules.
28147         * mklibgcc.in: Delete file.
28148         * doc/configfiles.texi: Don't mention mklibgcc.
28149
28150         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
28151         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
28152         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
28153         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
28154         (mklibgcc, ldblspecs): Likewise.
28155
28156         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
28157         (posixpre.def): Use $(T).
28158         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
28159         (SHLIB_SRC, SHLIB_INSTALL): Delete.
28160         (SHLIB_LINK): Make dummy.
28161         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
28162
28163         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
28164
28165         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
28166         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
28167         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
28168         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
28169
28170         * configure.ac (all_outputs): Remove mklibgcc.
28171         * configure: Regenerated.
28172
28173 2007-01-03  Josh Conner  <jconner@apple.com>
28174
28175         PR middle-end/29683
28176         * calls.c (compute_argument_addresses): Set stack and stack_slot
28177         for partial args, too.
28178         (store_one_arg): Use locate.size.constant for the size when
28179         generating a save_area.
28180
28181 2007-01-03  Robert Kennedy <jimbob@google.com>
28182
28183         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
28184         whose definitions are deleted due to basic block merging.
28185
28186 2007-01-03  Paul Brook  <paul@codesourcery.com>
28187
28188         PR target/16634
28189         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
28190         functions.
28191         (use_return_insn): Return 0 for Thumb interrupt functions.
28192         (print_multi_reg): Add rfe argument for IRQ returns.
28193         (arm_output_epilogue): Pop interrupt return address directly into PC.
28194         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
28195
28196 2007-01-03  Paul Brook  <paul@codesourcery.com>
28197
28198         Merge from sourcerygxx-4_1.
28199         * config/arm/thumb2.md: New file.
28200         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
28201         Thumb-2.
28202         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
28203         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
28204         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
28205         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
28206         tables.
28207         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
28208         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
28209         comptibility.
28210         * config/arm/ieee754-sf.S: Ditto.
28211         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
28212         (thumb1_base_register_rtx_p): ... to this.
28213         (thumb_index_register_rtx_p): Rename...
28214         (thumb1_index_register_rtx_p): ... to this.
28215         (thumb_output_function_prologue): Rename...
28216         (thumb1_output_function_prologue): ... to this.
28217         (thumb_legitimate_address_p): Rename...
28218         (thumb1_legitimate_address_p): ... to this.
28219         (thumb_rtx_costs): Rename...
28220         (thumb1_rtx_costs): ... to this.
28221         (thumb_compute_save_reg_mask): Rename...
28222         (thumb1_compute_save_reg_mask): ... to this.
28223         (thumb_final_prescan_insn): Rename...
28224         (thumb1_final_prescan_insn): ... to this.
28225         (thumb_expand_epilogue): Rename...
28226         (thumb1_expand_epilogue): ... to this.
28227         (arm_unwind_emit_stm): Rename...
28228         (arm_unwind_emit_sequence): ... to this.
28229         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
28230         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
28231         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
28232         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
28233         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
28234         thumb2_output_casesi): New functions.
28235         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
28236         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
28237         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
28238         THUMB2_WORK_REGS): Define.
28239         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
28240         arm_condexec_mask, arm_condexec_masklen)): New variables.
28241         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
28242         (arm_override_options): Check new CPU capabilities.
28243         Set new architecture flag variables.
28244         (arm_isr_value): Handle v7m interrupt functions.
28245         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
28246         Thumb-2.
28247         (const_ok_for_arm): Handle Thumb-2 constants.
28248         (arm_gen_constant): Ditto.  Use movw when available.
28249         (arm_function_ok_for_sibcall): Return false for v7m interrupt
28250         functions.
28251         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
28252         (thumb_find_work_register, arm_load_pic_register,
28253         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
28254         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
28255         print_multi_reg, output_mov_long_double_fpa_from_arm,
28256         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
28257         output_mov_double_fpa_from_arm, output_move_double,
28258         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
28259         output_return_instruction, arm_output_function_prologue,
28260         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
28261         arm_output_mi_thunk, thumb_set_return_address): Ditto.
28262         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
28263         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
28264         (arithmetic_instr, shift_op): Use arm_shift_nmem.
28265         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
28266         '!' and 'L'.
28267         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
28268         (thumb_expand_prologue): Use thumb_set_frame_pointer.
28269         (arm_file_start): Output directive for unified syntax.
28270         (arm_unwind_emit_set): Handle stack alignment instruction.
28271         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
28272         Add v6t2, v7, v7a, v7r and v7m.
28273         (RETLDM): Add Thumb-2 code.
28274         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
28275         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
28276         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
28277         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
28278         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
28279         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
28280         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
28281         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
28282         ADJUST_INSN_LENGTH): Define.
28283         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
28284         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
28285         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
28286         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
28287         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
28288         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
28289         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
28290         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
28291         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
28292         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
28293         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
28294         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
28295         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
28296         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
28297         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
28298         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
28299         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
28300         cortex-m3.
28301         * config/arm/arm-tune.md: Regenerate.
28302         * config/arm/arm-protos.h: Update prototypes.
28303         * config/arm/vfp.md: Enable patterns for Thumb-2.
28304         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
28305         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
28306         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
28307         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
28308         * config/arm/libunwind.S: Add Thumb-2 code.
28309         * config/arm/constraints.md: Update include Thumb-2.
28310         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
28311         * config/arm/ieee754-df.S: Ditto.
28312         * config/arm/bpabi.S: Ditto.
28313         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
28314         * config/arm/predicates.md (low_register_operand,
28315         low_reg_or_int_operand, thumb_16bit_operator): New.
28316         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
28317         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
28318         * config/arm/t-arm-elf: Add armv7 multilib.
28319         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
28320         Include thumb2.md.
28321         (UNSPEC_STACK_ALIGN, ce_count): New.
28322         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
28323         arm_zero_extendsidi2, arm_zero_extendqidi2): New
28324         insns/expanders.
28325         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
28326         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
28327         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
28328         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
28329         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
28330         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
28331         insns.
28332         * doc/extend.texi: Document ARMv7-M interrupt functions.
28333         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
28334
28335 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
28336
28337         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
28338         (struct _Unwind_Context): Rename args_size to flags, remove
28339         signal_frame field, add a new args_size field and version field.
28340         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
28341         _Unwind_IsExtendedContext): New inline functions.
28342         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
28343         Assume by_value array is only present if _Unwind_IsExtendedContext.
28344         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
28345         _Unwind_IsSignalFrame.
28346         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
28347         (uw_update_context_1): Use _Unwind_SetSignalFrame.
28348         (uw_init_context_1): Initialize context->flags to
28349         EXTENDED_CONTEXT_BIT.
28350         * config/rs6000/linux-unwind.h (frob_update_context): Use
28351         _Unwind_SetSignalFrame.
28352
28353 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
28354
28355         PR middle-end/30353
28356         * gimplify.c (gimplify_modify_expr_complex_part): Move below
28357         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
28358         the value.
28359
28360 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
28361
28362         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
28363         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
28364         RET, AT_SP): Remove.
28365         * config/i386/i386.md (*sse_prologue_save_insn): Use return
28366         instead of RET.
28367
28368         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
28369         * cfgbuild.c (find_basic_blocks): Likewise.
28370         * cfgrtl.c (rtl_create_basic_block): Likewise.
28371         * function.c (temp_slots_at_level): Likewise.
28372         * reg-stack.c (stack_regs_mentioned): Likewise.
28373         * regclass.c (allocate_reg_info): Likewise.
28374         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
28375         set_bb_for_stmt, move_block_to_fn): Likewise.
28376         * tree-complex.c (tree_lower_complex): Likewise.
28377         * vec.h (VEC_safe_grow_cleared): New.
28378
28379         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
28380
28381 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
28382
28383         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
28384         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
28385         to loop_version.
28386         * cfgloopmanip.c (scale_loop_frequencies): Export.
28387         (loopify): Scale the frequencies by prescribed coefficients.
28388         (set_zero_probability): New function.
28389         (duplicate_loop_to_header_edge): Improve updating of frequencies.
28390         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
28391         and frequencies according to arguments.
28392         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
28393         correctly.
28394         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
28395         * modulo-sched.c (sms_schedule): Set probabilities for entering
28396         versioned loop correctly.
28397         * tree-vect-transform.c (vect_transform_loop): Ditto.
28398         * cfgloop.h (loopify, loop_version): Declaration changed.
28399         (scale_loop_frequencies): Declared.
28400
28401 2007-01-02  Jan Hubicka  <jh@suse.cz>
28402
28403         * cgraph.c: Include tree-flow.h
28404         (cgraph_add_new-function): Handle IPA_SSA mode; execute
28405         early_local_passes.
28406         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
28407         * tree-pass.h (pass_all_early_optimizations): Declare.
28408         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
28409         early_local_passes.
28410         (cgraph_analyze_function): Do early_local_passes.
28411         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
28412         Do not add referenced vars.
28413         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
28414         SSA form.
28415         (gate_all_early_local_passes): New gate.
28416         (pass_early_local_passes): Use new gate.
28417         (execute_early_local_optimizations): New functions.
28418         (gate_all_early_optimizations): New gate.
28419         (pass_all_early_optimizations): New pass.
28420         (execute_free_datastructures): Free SSA only when initialized.
28421         (gate_init_datastructures): Init only when optimizing.
28422         (tree_lowering_passes): Do early local passes when called late.
28423         * tree-profile.c (do_tree_profiling): Don't profile functions added
28424         late.
28425         (do_early_tree_profiling, pass_early_tree_profile): Kill.
28426         * tree-cfg.c (update_modified_stmts): Do not update when operands are
28427         not active.
28428         * passes.c (init_optimizations_passes): Reorder so we go into SSA
28429         during early_local_passes.
28430         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
28431
28432
28433 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
28434
28435         * Makefile.in: Update copyright year.
28436
28437 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
28438
28439         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
28440         in $(lang_checks) and check-consistency targets.
28441
28442 2007-01-02  Jan Hubicka  <jh@suse.cz>
28443
28444         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
28445         Do not add referenced vars.
28446         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
28447         are not active.
28448         * passes.c (init_optimization_passes): Put mudflap_2 after
28449         free_datastructures.
28450
28451 2007-01-02  Jan Hubicka  <jh@suse.cz>
28452
28453         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
28454         Set NOTHROW flag on call statements proved to be nothrow.
28455         Update statement of local calls so new pure/const functions are
28456         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
28457         goto receivers.
28458         (tree_rest_of_compilation): Register hooks and initialize bitmap
28459         early. Do not set after_inlining flag.
28460
28461 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
28462
28463         * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
28464         HOST_BITS_PER_LONGLONG
28465
28466 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
28467
28468         PR c/19977
28469         * c-typeck.c (store_init_value): Don't emit pedantic overflow
28470         warning for non-static initializers.
28471
28472 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
28473
28474         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
28475         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
28476         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
28477         Always use set_unique_reg_note to add REG_EQUAL notes.
28478
28479 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
28480
28481         Revert:
28482         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
28483
28484         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
28485         * cfgbuild.c (find_basic_blocks): Likewise.
28486         * cfgrtl.c (rtl_create_basic_block): Likewise.
28487         * function.c (temp_slots_at_level): Likewise.
28488         * reg-stack.c (stack_regs_mentioned): Likewise.
28489         * regclass.c (allocate_reg_info): Likewise.
28490         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
28491         set_bb_for_stmt, move_block_to_fn): Likewise.
28492         * tree-complex.c (tree_lower_complex): Likewise.
28493         * vec.h (VEC_safe_grow_cleared): New.
28494
28495 2007-01-02  Ian Lance Taylor  <iant@google.com>
28496
28497         * c-common.c (c_common_truthvalue_conversion): When warning about
28498         using an assignment as a truth value, set TREE_NO_WARNING.
28499
28500 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
28501
28502         PR middle-end/7651
28503         * c.opt (Wold-style-declaration): New.
28504         * doc/invoke.texi (C-only Warning Options): New.
28505         (Wold-style-declaration): Document it.
28506         (Wextra): Enabled by -Wextra.
28507         * c-opts.c (c_common_post_options): Enabled by -Wextra.
28508         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
28509         -Wold-style-declaration.
28510
28511 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
28512
28513         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
28514         * cfgbuild.c (find_basic_blocks): Likewise.
28515         * cfgrtl.c (rtl_create_basic_block): Likewise.
28516         * function.c (temp_slots_at_level): Likewise.
28517         * reg-stack.c (stack_regs_mentioned): Likewise.
28518         * regclass.c (allocate_reg_info): Likewise.
28519         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
28520         set_bb_for_stmt, move_block_to_fn): Likewise.
28521         * tree-complex.c (tree_lower_complex): Likewise.
28522         * vec.h (VEC_safe_grow_cleared): New.
28523
28524 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
28525
28526         * c-common.c (c_common_nodes_and_builtins): Since variants of
28527         void_type_node get built before it is given a name, we need to
28528         give those variants the name, too.
28529         (complete_array_type): We need to work with the canonical main
28530         type of the array, from which we will build the qualified version.
28531         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
28532         * print-tree.c (print_node): Display canonical type information
28533         for each type.
28534         * stor-layout.c (layout_type): When we don't know the
28535         alignment of a type for which we're building an array, we end up
28536         guessing wrong, so make the type require structural equality.
28537         * tree.c (make_node_stat): When we build a new type, it is its
28538         own canonical type.
28539         (build_type_attribute_qual_variant): When building an attribute
28540         variant, its canonical type is the non-attribute variant. However,
28541         if the attributes are target-dependent and they differ, we need to
28542         use structural equality checks for this type.
28543         (build_qualified_type): A qualified type is not equivalent to its
28544         unqualified variant; set the canonical type appropriately.
28545         (build_distinct_type_copy): When building a distinct type from
28546         another type, the new type is its own canonical type.
28547         (build_variant_type_copy): When building a new type variant, we
28548         assume that it is equivalent to the original type.
28549         (build_pointer_type_for_mode): When building a pointer type, also
28550         build a canonical type pointer.
28551         (build_reference_type_for_mode): When building a reference type,
28552         also build a canonical type reference.
28553         (build_index_type): When we can't hash an index type (e.g.,
28554         because its maximum value is negative), the index type requires
28555         structural equality tests.
28556         (build_array_type): Build the canonical form of an array type.
28557         (build_function_type): Function types require structural equality,
28558         because they contain default arguments, attributes, etc.
28559         (build_method_type_directly): Ditto for method types.
28560         (build_offset_type): Build the canonical offset type.
28561         (build_complex_type): Build the canonical vector type.
28562         (make_vector_type): Build the canonical vector type.
28563         * tree.h (TYPE_CANONICAL): New.
28564         (TYPE_STRUCTURAL_EQUALITY_P): New.
28565         (SET_TYPE_STRUCTURAL_EQUALITY): New.
28566         (struct tree_type): Added "canonical" field.
28567         * params.h (VERIFY_CANONICAL_TYPES): New.
28568         * doc/c-tree.texi (TYPE_CANONICAL): Document.
28569         (TYPE_STRUCTURAL_EQUALITY_P): Document.
28570         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
28571         * doc/invoke.texi (verify-canonical-types): Document --param
28572         parameter for verifying canonical types.
28573
28574 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
28575
28576         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
28577         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
28578         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
28579         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
28580         tm_file.
28581         * config/rs6000/e500.h: New.
28582         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
28583         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
28584         Remove.
28585         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
28586         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
28587         TARGET_E500_DOUBLE): Remove.
28588         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
28589         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
28590         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
28591         * config/rs6000/rs6000.c (rs6000_override_options): Use
28592         CHECK_E500_OPTIONS.
28593
28594 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
28595
28596         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
28597         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
28598         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
28599         rs6000_emit_cmove): Don't check TARGET_E500.
28600         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
28601         sordered): Don't check TARGET_E500.
28602
28603 2007-01-01  Eric Christopher  <echristo@apple.com>
28604
28605         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
28606         HARD_REGISTER_NUM_P.
28607
28608 2007-01-01  Roger Sayle  <roger@eyesopen.com>
28609
28610         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
28611         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
28612         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
28613         eq/ne Y".
28614
28615 2007-01-01  Mike Stump  <mrs@apple.com>
28616
28617         * configure.ac: Remove support for building with Apple's gcc-3.1.
28618
28619 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
28620
28621         PR middle-end/30311
28622         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
28623         REG is a hard register.  Do not modify REG before calling
28624         subreg_nregs.
28625         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
28626         multiple of the size of YMODE for certain lowpart cases.
28627
28628 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
28629
28630         PR middle-end/30253
28631         * gimplify (voidify_wrapper_expr): Update for
28632         GIMPLE_MODIFY_STMT.
28633
28634 2007-01-01  Andreas Schwab  <schwab@suse.de>
28635
28636         PR target/29166
28637         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
28638         save of BR0 in extra_spill_size instead of spill_size.
28639         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
28640         area.
28641         (ia64_expand_epilogue): Restore BR0 from its new location.
28642
28643 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
28644
28645         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
28646         Use a temporary variable if the left hand side is not a gimple
28647         register.
28648
28649 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
28650
28651         * gimplify.c (gimplify_return_expr): Make the temporary variable
28652         for the return expression, a gimple register variable.
28653
28654 2007-01-01  Jan Hubicka  <jh@suse.cz>
28655
28656         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
28657         INSN_LIST.
28658
28659 2007-01-01  Mike Stump  <mrs@apple.com>
28660
28661         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
28662         .literal16.
28663         * config/darwin.c (machopic_select_rtx_section): Use
28664         HAVE_GAS_LITERAL16.
28665         (darwin_mergeable_constant_section): Likewise.
28666         * configure: Regenerate.
28667         * config.in: Regenerate.
28668
28669 2007-01-01  Jan Hubicka  <jh@suse.cz>
28670             Andrew Pinski  <pinskia@gmail.com>
28671
28672         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
28673         before starting IPA passes.